Automatic end sealing device for large-scale coil stock peripheral coating film

Technical Field

The invention relates to a sealing device for the end of the packing, in particular to a sealing device for large cylindrical face.

Background Art

Existing automation plastic film end surface sealing packing mechanism, mainly to small packaging machine, in a small general application in automated packaging production line product packaging using hot air, and this kind of packing machine lies in the limitation of the largest size and the shape of the product has certain requirements, and medium-sized sealing mechanism is generally applied to filling production after simple closure of the main. As for the large-scale coil lap if adhesive-bonded products such as products, the plastic film is coated with the circumference of the end sealing process when the (abbreviated as end seal), the thickness of the coil material can be achieved because 2-75mm, to large roll diameter can reach 1m, the coil width can be up to about 1.5-2m, of existing automatic packaging equipment is unable to carry out automatic film of the circumference of the end seal. Artificial end of the device, because the coil volume is large, a lot of people need, relatively poor quality of sealing the end of the, packing qualification rate is low.

Patent number 201210464731.2 of China Patent discloses a plastic film sealing machine, it is after the packaging of the products, the heating continuing through electric, manual control through a foot board plastic sealing process, such a sealing mechanism is only suitable for small-sized products, low degree of automation, the efficiency is low, there is no way to ensure that the sealing quality of the product, this mechanism is only suitable for small-scale enterprise automated low production line, not practical for the large-sized products. Thereby providing a similar large-scale material covering the circumference of the automatic end sealing device in the prior art become issues have yet to be solved.

Content of the invention

In order to solve the above-mentioned problem, the present invention provides a large-scale web material of the automatic end of the circumference of the sealing device, which is characterized in that the automatic end sealing device comprises an end seal for the end seal and the coil on the frame position the conveying device, heat-sealing device, supporting film device, horizontal feeding device, negative pressure attracts the membrane device; the end seal the framework is divided into a bench and the mounting rack, open at the top of the frame, the mounting frame includes a gantry the top, above the horizontal crossbeam, mounting rack and the rack can hold the space between the circumference of the completion of the log rolling the film, the direction of the horizontal beam parallel to the direction in which the coil axis;

The positioning states the volume material conveying device is used for the transmitted one process coil positioned on the bench and end sealing process will be completed from the stand of the roll materials for the side-conveying to the next station, comprises a device for locking the angle V with the angle adjusting device and a connecting frame-shaped, the V-shaped rack through the connecting frame is fixed is installed in the middle part of bench top surface, said V-shaped frame including adjacent and a discharging of the reciprocation, the inlet frame and a discharge frame are all can rotate around the rotating axis rotate above the top surface of the rack, and the spin axis of the frame and a discharging coil axis is parallel to and is slightly higher than the top surface of the frame, angle locking device comprises a mounting on the connecting frame of the lock cylinder, said lock cylinder can be locked of the cylinder lever of the angle of rotation of the and a discharging reciprocation; the feeding rack perpendicular to its axis of rotation is close to the side surface of the rotating shaft in the same direction the rotating shaft is provided with a locking hole, a discharge frame in the side of the perpendicular to its axis of rotation is close to the rotating shaft of the rotating shaft in the same direction with the locking aperture, said lock cylinder fixed on the connecting frame and the locking cylinder in the cylinder rod is extended into frame, the frame locking hole thereby locking the air intake frame, the rotation angle of the frame; the angle adjusting device for adjusting the rotation angle of the material, including the release cylinder, the release cylinder is installed in the lower part of the discharge frame, when the lock cylinder is unlocked the discharging frame, expansion of the cylinder lever of the release cylinder can adjust the angle of rotation of the frame of the coil can be position the conveying device from coil-off ''

Said negative pressure attracts the membrane device comprises a negative pressure suction head, the screw nut mechanism, head driving motor, reduction gearing mechanism, cylinder transmission frame, the vertical feed cylinder; the vertical feeding cylinder through the cylinder is fixed a connecting plate of the mounting frame is arranged above the horizontal beam, vertical feeding air cylinder extends the cylinder rod is vertical, the upper end of the said cylinder the transmission frame with the vertical feed of the top end is connected to the column of the air cylinder, the lower end of the side surface from the horizontal beam and extends out to the horizontal beam and is connected with the housing of the transmission mechanism, the speed reduction transmission mechanism comprises a T-shaped layout with two output shafts of the one input shaft, the input shaft and the suction head is connected with the output shaft of the drive motor, the axis of the two output shafts with the shaft and is respectively connected with a pair of screw nut mechanism is connected with the driving end of the screw rod of; each group of lead screw nut mechanism comprises a screw, nut and the guide optical axis, the optical axis of the sleeve, with the optical axis of the nut through the suction head of the sleeve is connected with the mounting plate, the lower end of the suction head is fixed installing a negative-pressure suction head, two groups of lead screw nut mechanism is installed in the negative pressure of the negative pressure suction head under the driving of the drive motor can be at the same time in opposite directions or backward motion;

The horizontal feed device comprises a 2 plurality of horizontal feed track device, running driving device and the traveling device, said 2 group of horizontal feed track device are respectively installed in the horizontal the upper surface of the beam position close to the two ends of the, horizontal feeding track the track direction parallel to the direction of the horizontal cross beam, running driving device used for driving the traveling device along the horizontal feeding track the track direction horizontal feeding, the running device in the horizontal beam vertical hoisting heat-sealing device,

The heat sealing device comprises a heat plate, heat sealing of the mounting plate, heat-sealing screw nut mechanism, the heat sealing screw nut mechanism, the vertical hoisting in the horizontal feed device for the lower part of the device, the heat sealing screw nut mechanism is provided with a thermal drive motor, including the nut, the two-way screw and of the nut with the two-way screw rod parallel to and comprises an upper sleeve, the lower sleeve of the guide axis, the guide on the optical axis on the sleeve and the two-way screw rod seal is mounted on the nut of the mounting plate, the optical axis of the guide sleeve and the two-way screw rod seal installation is also connected with the lower nut of the mounting plate, the heat seal mounting plate with the side of the groove toward the inside, used for installing the hot plate, the hot plate can be thermally laminated under the driving of the driving motor and the separate;

The states supports the membrane device comprises a supporting rod, support film cylinder, support film screw nut mechanism, motor supports the membrane , supports the membrane frame , the states supports the membrane device through the support film frame is fixedly installed on the outer side of the sealing device, supporting film frame extending direction of the heat plate in the extending direction of the parallel, supporting film rack are respectively connected with the two ends of the screw nut mechanism supporting film, support film screw nut mechanism comprises a lead screw, the nut, sleeve guide optical axis and optical axis, supporting film of the screw rod of the screw nut mechanism the extending direction of the film frame and parallel, supporting film frame is fixed on the middle of the supporting film motor, the motor through the deceleration supports the membrane transmission device is respectively connected with the supporting film rack supports the membrane the two ends of the screw nut mechanism is connected with the driving end of the lead screw, the lead screw nut mechanism supporting film guide optical axis parallel with the lead screw, the lead screw nut mechanism supporting film with the optical axis of the nut through the connection plate of the sleeve, the connecting plate and the top mounting support film cylinder; supporting film direction and the column of the air cylinder of the screw rod of the screw nut mechanism supports the membrane vertical, support film is connected with the column of the air cylinder, is connected with the rod; the top of the head, support film the column of the air cylinder rod and the rod head can be driven to movement in the same direction. supports the membrane motor can drive the support film cylinder opposite or backward motion.

In the position the conveying device states the volume material , reciprocation and a discharge frame is a single-layer framework structure; frame is a rectangular frame.

attracts the membrane device of the negative pressure, the negative pressure suction head to the arc-shaped convex and above the level of the pipeline with a vertical beam, the lower part of the vacuum head is evenly distributed plurality of absorption holes of the pipe wall.

In the horizontal feeding device, each group of horizontal feeding track arrangement includes in the horizontal beam is parallel to the upper surface 2 of the linear guide rail, 2 of the V-shaped guide rail, rack, wherein the rack gear is mounted in close proximity to line horizontal beam, 2 of the linear guide rail are respectively located on the outer side of the rack, 2 of the V-shaped guide rail is located on the outer side of the linear guide rail, said V-shaped guide rail is provided with a V-shaped guide groove of the guide rail, the level of the opening of the V-shaped guide groove two sides of a beam towards the level,

Said travelling device comprising a guide pulley mounting plate and the supporting wheels, V-shaped guide wheel, said guide wheel mounting plate is located above the horizontal feeding track device, the support wheel is mounted on a guide wheel mounting board, V-shaped guide wheel through a connecting plate installed on a guide wheel the outer side of the mounting plate, the supporting wheel to move on the linear guide rail, V-shaped guide wheel and the V-shaped guide rail and a relative movement;

Said travelling driving device comprises a linear drive motor and the gear, the linear drive motor is arranged above the guiding wheel mounting plate, linear drive the output shaft of the motor passes through the guide wheel is connected with a gear mounting plate, and through the driving gear to drive the whole running device in the horizontal guide rail feeding device upper horizontal feeding, heat-sealing device and the lower part of the V-shaped guide wheel is connected with the lower part of the vertical hoisting to the horizontal beam.

The heat package position, heat sealing is arranged at the bottom of the screw nut mechanism is used to support the whole heat-sealing device on the bench top horizontal movement of the horizontal movement of the support wheel.

The device provided by the invention, optimization of the whole structure of the equipment and working process, in particular through the coil positioning conveying device not only can the positioning coil end seal for the other device to finish work, and utilizes the coil its own gravity, the completion of the end seal can be automatically from the apparatus in the transport to the next station, the energy is saved, but also is convenient for the whole of the large-scale coil in automated packaging production line layout. When the coil is placed in the coil positioning conveying device, through a negative pressure attracts the membrane device, horizontal feeding device, , supporting film device with the heat-sealing device, the end of the completed thin-film free edge suction, support film tension, a series of actions of heat seal edgebanding, and the like, has realized the large-scale web material covering the circumference of the free edge of the end of automatic end seal, to overcome in the prior art, no problem of the apparatus, which realizes similar function, a major category solves the problems of packaging the automation of the product.

Description of drawings

Figure 1 is the schematic view of the overall structure of the embodiment of the invention provides a large-scale web material of the circumference of the automatic end sealing device;

Figure 2 is the structure diagram of the embodiment of the invention provides a large-scale web material of the automatic end of the circumference of the sealing device for sealing the end of the frame;

Figure 3 is the structure diagram of the embodiment of the invention provides a large-scale web material of the circumference of the coil seal device for automatic end position the conveying device;

Figure 4 is the structure diagram of the embodiment of the invention provides a large-scale web material covering of the circumference of the automatic end sealing device for heat sealing device;

Figure 5 is the structure diagram of the embodiment of the invention provides a large-scale web material of the circumference of the end sealing device automatically supports the membrane device;

Figure 6 is the structure diagram of the embodiment of the invention provides a large-scale web material of the automatic end of the circumference of the seal device for a horizontal feeding device;

Figure 7 is the schematic view of the embodiment of the invention provides a large-scale web material of the circumference of the negative pressure of the automatic end sealing device attracts the membrane device;

In the picture,

1. End sealing frame, 11. Rack, 12. The mounting rack, 122 a horizontal crossbeam,

2. Positioning of web material conveying device, 21. Lock cylinder, 22. V-shaped frame, 221. The inlet frame, 222. The rack, 223. Locking aperture, 23. A connecting frame, 24. Release cylinder, ,

3. Heat-sealing device, 31. Hot plate, 32. Heat seal mounting plate, 33. Heat-sealing screw nut mechanism, , 35. The horizontal movement a supporting wheel,

4. Supporting film device, 41. Head, 42 bar, 43, support film cylinder, 44. Supporting film screw nut mechanism, 45. supports the membrane motor, supporting film frame 46,

5. Horizontal feeding device, 51. V-shaped guide rail, 52. V-shaped guide wheel, 53. Supporting wheel, 54. Rack, 55 gear, 56 linear drive motor, 57. Linear guide rail, 58. Is connected with the flap, 59,

6. Negative pressure attracts the membrane device, 61. Negative pressure suction head, 62. Screw nut mechanism, , 63. Suction head drive motor, 64. The cylinder is fixed a connecting plate, 65. Vertical feed cylinder, 66 cylinder transmission frame, 67 deceleration transmission mechanism.

Mode of execution

Embodiment

The present invention provides coating the circumference of the large-scale coil automatic end sealing device comprises end sealing frame 1 and is mounted to the end seal on the frame position the conveying device for the coil 2, the heat sealing device 3, support film device 4, horizontal feeding device 5, negative pressure attracts the membrane device 6 ; the end seal the framework is divided into the mounting frame having a rack, the rack 11 is open on the top of the, wherein the mounting frame 12 comprises a horizontal crossbeam the top, above the rack 122, mounting rack and the rack can hold the space between the circumference of the completion of the log rolling the film, the direction of the horizontal beam parallel to the direction in which the coil axis;

The mounting rack 12 of a gantry two-phase pair of side edges and the upper part of the rack, with the rack mounting frame capable of accommodating in the space between the circumference of the coil is completed through the rolls horizontally; wherein the mounting frame on the bench is provided with parallel to the bench

Covering the circumference of the large coil automatic end sealing device for sealing and end schematic view of the overall structure of the structure diagram of the frame are respectively as shown in Figure 1, Figure 2 shown in.

The positioning conveyor for states the volume material one process for the large-scale web material transferred by the positioning on the rack end seal and the process side of the coil from the stand is transported to the next work station, including with angle locking device and the angle adjusting device of the V-shaped frame 22 and a connecting frame 23, the V-shaped rack through the connecting frame is fixed is installed in the middle part of bench top surface, said V-shaped frame including adjacent and a discharging of the reciprocation, the inlet frame 221 and a discharging 222 around the rotation axis can rotate above the top surface of the rack, and a discharging and the axis of rotation parallel to the coil axis and is slightly higher than the top surface of the frame, angle locking device comprises a mounting on the connecting frame locking cylinder 21, the locking cylinder can be locked of the cylinder lever of the angle of rotation of the and a discharging reciprocation; the feeding frame close to the side of the perpendicular to the rotating shaft through the rotating shaft in the same direction is provided with a locking hole of the rotating shaft 223, the discharging frame in perpendicular to the rotating shaft is close to the side surface of the rotary shaft in one direction of the rotating shaft with locking aperture, the locking cylinder is fixed on the connecting frame and cylinder with the direction of reciprocation is parallel to a rotational axis and a discharging, when extending out of the cylinder lever of the locking cylinder can be successively into frame, the frame locking hole thereby locking the air intake frame, the rotation angle of the frame; the angle adjusting device for adjusting the rotation angle of the material, including the release cylinder 24, the release cylinder is installed in the lower part of the discharge frame, when the lock cylinder is unlocked the discharging frame, expansion of the cylinder lever of the release cylinder can adjust the angle of rotation of the frame of the coil can be position the conveying device from coil-off.

In this embodiment, the air intake frame and discharging frame is a single-layer frame structure; said frame is a rectangular frame.

The conveying device positioning states the volume material structure diagram as shown in Figure 3,

Said negative pressure attracts the membrane device comprises a negative pressure suction head 61, the screw nut mechanism 62, the suction head drive motor 63, deceleration transmission mechanism, the vertical feed cylinder 65, cylinder transmission frame 66 ; the vertical feeding cylinder through the cylinder is fixed a connecting plate 64 of the mounting frame is arranged above the horizontal beam, the installation is complete the vertical feeding air cylinder extends the cylinder rod is vertical, the cylinder drive frame 66 with the upper end of the vertical feed of the top end is connected to the column of the air cylinder, the lower end of the side surface from the horizontal beam and extends out to the horizontal beam and is connected with the housing of the transmission mechanism, the speed reduction transmission mechanism comprises a T-shaped layout with two output shafts of the one input shaft, the input shaft and the suction head is connected with the output shaft of the drive motor, the axis of the two output shafts coaxial, two output shafts with a series of separately of the screw rod of the screw nut mechanism is connected with the driving end; each group of lead screw nut mechanism comprises a screw, nut and the guide optical axis, the optical axis of the sleeve, with the optical axis of the nut through the suction head of the sleeve is connected with the mounting plate, the lower end of the suction head is fixed installing a negative-pressure suction head, two groups of lead screw nut mechanism is installed in the negative pressure of the negative pressure suction head under the driving of the drive motor can be at the same time in opposite directions or backward motion.

The negative pressure suction head to the arc-shaped convex and above the level of the pipeline with a vertical beam, the lower part of the vacuum head is evenly distributed plurality of absorption holes of the pipe wall.

Said negative pressure attracts the membrane the structure of the device as shown in Figure 7.

The horizontal feeding device 5 comprises a 2 plurality of horizontal feed track device, running driving device and the traveling device, said 2 group of horizontal feed track device are respectively installed in the horizontal the upper surface of the beam position close to the two ends of the, horizontal feeding track the track direction parallel to the direction of the horizontal cross beam, running driving device used for driving the traveling device along the horizontal feeding track the track direction horizontal feeding, the running device in the horizontal beam vertical hoisting heat-sealing device,

Each set of horizontal feeding track arrangement includes in the horizontal beam is parallel to the upper surface 2 of the linear guide rail 57, 2 of the V-shaped guide rail 51, the rack 54, wherein the rack gear is mounted in close proximity to line horizontal beam, 2 of the linear guide rail are respectively located on the outer side of the rack, 2 of the V-shaped guide rail is located on the outer side of the linear guide rail, said V-shaped guide rail is provided with a V-shaped guide groove of the guide rail, the level of the opening of the V-shaped guide groove two sides of a beam towards the level,

Said travelling device comprising a guide pulley mounting plate 59 and the supporting wheel 53, V-shaped guide wheel 52, the guide wheel mounting plate is located above the horizontal feeding track device, the support wheel is mounted on a guide wheel mounting board, V-shaped guide wheel through the connecting flap 58 is mounted on the outer side of the guide wheel mounting plate, supporting wheel to move on the linear guide rail, V-shaped guide wheel and the V-shaped guide rail and a relative movement;

Said travelling driving device comprises a linear drive motor 56 with the gear 55, the linear drive motor is arranged above the guiding wheel mounting plate, linear drive the output shaft of the motor passes through the guide wheel is connected with a gear mounting plate, and through the driving gear to drive the whole running device in the horizontal guide rail feeding device upper horizontal feeding, heat-sealing device and the lower part of the V-shaped guide wheel is connected with the lower part of the vertical hoisting to the horizontal beam.

The horizontal feed structure of the device as shown in Figure 6.

The heat sealing device comprises a heat plate 31, heat seal mounting plate 32, heat-sealing screw nut mechanism 33, the heat-sealing screw nut mechanism, vertical lifting of the horizontal feed device under the pack and is located in the lower part of the horizontal beam, the heat sealing screw nut mechanism is provided with a thermal drive motor, including the nut, the two-way screw and of the nut with the two-way screw rod parallel to and comprises an upper sleeve, the lower sleeve of the guide axis, the guide on the optical axis on the sleeve and the two-way screw rod seal is mounted on the nut of the mounting plate, the optical axis of the guide sleeve and the two-way screw rod seal installation is also connected with the lower nut of the mounting plate, the heat seal mounting plate with the side of the groove toward the inside, used for installing the hot plate, the hot plate can be thermally laminated under the driving of the driving motor and the separate;

In this embodiment, the heat seal is arranged at the bottom of the screw nut mechanism is used to support the whole heat-sealing device on the bench top horizontal movement of the horizontal movement of the supporting wheel 35.

The structure of the heat sealing device as shown in Figure 4.

The states supports the membrane device comprises a supporting rod 42, support film cylinder 43, support film screw nut mechanism 44, supports the membrane motor 45, supporting film frame 46, the states supports the membrane device through the support film frame is fixedly installed on the outer side of the sealing device, supporting film frame extending direction of the heat plate in the extending direction of the parallel, supporting film rack are respectively connected with the two ends of the screw nut mechanism supporting film, support film screw nut mechanism comprises a lead screw, the nut, sleeve guide optical axis and optical axis, supporting film of the screw rod of the screw nut mechanism the extending direction of the film frame and parallel, supporting film frame is fixed on the middle of the supporting film motor, the motor through the deceleration supports the membrane transmission device is respectively connected with the supporting film rack supports the membrane the two ends of the screw nut mechanism is connected with the driving end of the lead screw, the lead screw nut mechanism supporting film guide optical axis parallel with the lead screw, the lead screw nut mechanism supporting film with the optical axis of the nut through the connection plate of the sleeve, the connecting plate and the top mounting support film cylinder; supporting film direction and the column of the air cylinder of the screw rod of the screw nut mechanism supports the membrane vertical, support film is connected with the column of the air cylinder, is connected with the rod; the top of the head 41, rod head is made of an elastic material such as rubber, and the like, supporting film the column of the air cylinder rod and the rod head can be driven to movement in the same direction. supports the membrane motor can drive the support film cylinder opposite or backward motion. The states supports the membrane the structure of the device as shown in Figure 5.

The present invention provides a large-scale material covering the circumference of the working principle of the automatic end sealing device is as follows:

1) in an initial state, the coil positioning conveying device of the V-shaped bracket and a discharge frame rotation angle of reciprocation by the angular locking device are, horizontal feeding device of the running device is located in the two ends of the horizontal beam, driving motor for the suction head attracts the membrane suction negative pressure of the negative pressure of the device along the horizontal beam is started after adjustment in place in the direction of the vertical feed cylinder is retracted to the above negative pressure suction head, cylinder supports the membrane support film device is positioned in close proximity to the position of the support film, heat plate are respectively located at the two ends of the heat-sealing device;

2) through the circumference of the large-scale coil from the stand into the coil side of the roller above the position the conveying device and positioned in the V-shaped frame, in the starting negative pressure attracts the membrane device for the vertical feed cylinder, movement of the lower part of the suction tip to the negative pressure, when the negative pressure suction head to contact and absorb the large-scale coil of plastic film of the circumference of the end of the free edge, the vertical feed cylinder stop work and locking, at this moment the suction head driving the motor to make the negative pressure suction head away from the end face to move in the direction of large-scale web material, the open end of the free edge of the thin film. After the thin film is, horizontal feeding device is started, to drive the support device and a heat-sealing device as a whole close to the membrane, when the supporting film device of the negative pressure suction head portion of the thin film is supported the inside of the free edge of the end part, support film extends out of the column of the air cylinder and pushes the rod and a head extended, supports the membrane motor drives the supporting film cylinder to the two sides of the end of the mobile to the thin-film free-side tensioning. Thin film end of the sheet overlapping free edges, heat-sealing the screw nut mechanism driven by the motor on the upper and lower ends of the to the film near the hot plywood free edge of the end of seal edgebanding, complete circumference of the large-scale web material of the end seal.

3) after the completion of heat seal sealing edge, is separated from the hot plate, supports the membrane recover the column of the air cylinder. Horizontal feeding device, heat-sealing device, supporting film device, negative pressure attracts the membrane device after a reset to the initial state, the coil conveying positioning device for locking the angle of the locking device, the angle adjusting device to work, to drive the discharge frame level, under the gravity in the coil material conveying positioning device from coil to a working platform and down, the follow-up processing, the coil conveying positioning device for conveying material after the completion of the reset to the original state.

The above one embodiment of the present invention is described in detail, but the content is only a preferable embodiment of the present invention, cannot be considered for limiting the scope of this invention. Where according to the invention, the scope of the application of the improvement, and changes, belonging to the still of the present invention shall be covered within the scope of the Patent.