Cutter of printer

Technical Field

The invention relates to a cutting knife structure of the printer, and more specifically relates to a can be effectively cut paper, such as by a printer output the receipt, ddia and cutting knife structure of the printer of the label, and simple solution to the paperboard.

Background Art

Under normal circumstances, the printer is connected to various electronic equipment, such as computer, at a predetermined size of printing on paper stored in the device and the output of the data on the device.

In recent years, as the intelligent mobile phone, of the flat panel computer and PDA or mobile communication terminal of the computer, such as laptop personal computers and portable terminal equipment has been known to the public, is connected to the terminal device used for simple, to print the data stored in the terminal of the various printer have also been widely applied.

Printer constructed according to the following way: the receiving part-used for printing paper holding therein-is arranged in a can be a predetermined shape by means of a cover to open and close the main body; a discharge port formed on one side of the cover, through this nozzle will be holding of the sheet discharge; on the paper used for the print data of the print module, for the supply of paper and the paper feeding module for cutting paper cutting module is installed in the vicinity of the position of the discharge ports.

Furthermore, in the structure of the cutting module, fixed blade and toward and away from a roller of the one side of the discharge port, movable blade fixed blade mounted on the corresponding part, through a specific structure of the mechanism for reciprocating movement.

[Existing regelungstechnik]

[Patent literature]

(Patent literature 1), Korean Patent section 10-912461 of

Content of the invention

Technical problem

However, in the related art is set in the printer in the cutting knife structure, used for making the movable blade of the reciprocating mechanism, the movable blade, and at the time when the printer paper of the printing paper is used to release the structure of the mechanism to form a complex, when manufacturing cutting module requires many components, assembling process is complex, manufacturing cost is increased, and the production rate is lowered.

In particular, because when the movable blade is card in the present invention is the printer used for releasing the movable blade of the structure necessary a separate button, the user will feel is not convenient, and the aesthetic appearance of the printer will also be lowered.

The invention in an effort to solve the above-mentioned problem and provides a cutting knife structure of a printer made, and an object of the present invention is to provide a cutting knife structure of the printer, it is designed to, used for cutting with cutting module of the printing paper in the printer mechanism for a specific structure, it is possible to effectively cut the paper, and is clamped by the cutting knife accidents problems arising from the use of a printer or paper jam can be simply by operating the existing rod and.

Technical solution

According to one aspect of the invention, offer a kind of printer cutter, comprising: a cuboid housing, wherein a combination of each other roller and a fixed blade may be detachably fitted to the upper part of the one side thereof; movable element, included in the main body of the center plate a, and corresponding to the fixed blade and is arranged on the upper side of the shell, so that on one side of the movable blade is selectively reciprocal movement, and the fixed blade; the electric motor, is fixedly mounted within the housing, is used for receiving the control signal and produce a forward or reverse driving force; a gear unit, including the motor drive shaft mounted in a drive gear, engaged with the drive gear of the reduction gear, the reduction gear of the gear engagement with the shaft at the lower part of the idle gear, and engages with the idle gear with the idle gear interlocking of the driven gear, in the driven gear, is connected with its central portion of the guide protrusions; and has a substantially disk-shaped eccentric disk, is connected to the upper surface of the said driven gear, with slot-shaped guide hole in its center, so that the driven gear the guide protruding through the guide hole, the movable member and has the connecting convex flutes, is used for the external force is applied to the movable member in the same one side of said guide for reciprocating motion.

Preferably, when the electric motor to the forward or reverse rotation, the driven gear of the guide hole of the guide protruding to one side of the disc or the other side to a mobile, the moving distance of the movable member to move in the slot-shaped guide hole and the guide of the above-mentioned movable member is connected with the connection of the control interval between the projections.

Preferably, when the moveable piece to the movable blade when in engagement with the fixed blades, the movable blade through the one side of said shell to return to operation of the lever, and, only in the outer circumferential surface has sawtooth on a part of the return of the gear formed by a gear on the lower side of the driven gear, to interlock with the driven gear, attached to the spring by the means attached to the return gear, according to the state-of-the-art has the return gear pressing piece is installed on one side of the outer peripheral surface, the above-mentioned pressing piece is connected to the horizontal rotation of the one end of the strip-shaped revolving part, and receiving the rotary element is generated by means of the return spring and returning of, so that the rotating member and the other end of the rod is formed in the one end of the pressing part connected to inclined.

More preferably, the connection point of the rotating part and the pressing piece is formed with L-shaped flat guides the wall , for when the rotating of the rotary element so that the pressing piece guide according to the preform is attached to the return gear.

Furthermore, the return of the gear in the lower part of the entire outer circumferential surface thereof with a gear portion, and the outer peripheral surface of the return of the gear a portion of which is removed in order to form the detector, and wherein the used for detecting gear and of the transmission signal of the rotational position detecting switch is installed on the return of the gear on a part of the outer periphery.

Advantageous effects

According to the present invention, including the intelligent mobile phone as a result, flat panel computer, laptop computer, PDA, and the various terminal to connect the printer is designed to have a used for cutting of the printing paper of a specific structure, when the use of the printer, the cutting module is stable control, can be effectively cut by the operation of the printing paper.

Furthermore, in the process of operation of the printer, or is engaged in cut knife to jam when printing, the problem can be very simply by operating the is disposed in said housing on one side of the rod to be resolved, so that the user convenience can be improved.

Description of drawings

Figure 1 is a perspective view of the application of the invention the cutter structure of the printer of the overall structure of the printer;

The application of the invention Figure 2 is a cross-sectional view of the cutter structure of the printer of the overall structure of the printer;

Figure 3 is a perspective view of the application of the invention the appearance of the printer cutter of the cutting module of the structure;

Figure 4 is a perspective view of the application of the invention decompose the printer cutter of the cutting structure of the structure of the module;

Figure 5a and Figure 5b is a perspective view and a perspective view of the upper part of the lower part of the cutter of the printer of the present invention application of the cutting structure of the internal structure of the module;

Figure 6a and Figure 6b is a perspective view and the upper part of the lower part of the decomposition of the decomposition a perspective view of the application of the invention the printer cutter of the cutting structure of the internal structure of the module;

Figure 7 is plan view of the printer of the present invention application of the cutter of the cutting structure of the structure of the module;

Figure 8a and Figure 8b is a view through the movable member of the printer of the present invention the operating state of the structure of the cutting knife; and

Figure 9a and Figure 9b is a view of the printer of the present invention the operating state of the structure of the cutter.

Mode of execution

The following, with reference to the detailed description of the invention.

Figure 1 is a perspective view of the application of the invention the cutter structure of the printer of the overall structure of the printer. The application of the invention Figure 2 is a cross-sectional view of the cutter structure of the printer of the overall structure of the printer. Figure 3 is a perspective view of the application of the invention the appearance of the printer cutter of the cutting module of the structure. Figure 4 is a perspective view of the application of the invention decompose the printer cutter of the cutting structure of the structure of the module. Figure 5a and Figure 5b is a perspective view and a perspective view of the upper part of the lower part of the cutter of the printer of the present invention application of the cutting structure of the internal structure of the module. Figure 6a and Figure 6b is a perspective view and the upper part of the lower part of the decomposition of the decomposition a perspective view of the application of the invention the printer cutter of the cutting structure of the internal structure of the module. Figure 7 is plan view of the printer of the present invention application of the cutter of the cutting structure of the structure of the module. Figure 8a and Figure 8b is a view through the movable member of the printer of the present invention the operating state of the structure of the cutter. Figure 9a and Figure 9b is a view of the printer of the present invention the operating state of the structure of the cutter.

Cutting knife structure of the printer of the present invention the printer more smoothly, and offer the convenience to user, this is used for cutting through the design terminal connected to each of the printer on the cutting module and the manifold for releasing the cutting knife to the configuration of the printing paper or carton, so that the cutting module and having a specific configuration of the structural mechanism.

Therefore, in the present invention in the structure of the printer cutter, for cutting printing paper 300 specific structure of the cutting module is arranged on the rectangular housing 10 in, a paper feed roller in the outer shell 210 and a fixed blade 200 as a whole module is detachably mounted in the upper part of one side of the main body thereof, and form of the printing paper used for the release device engaged for jam and, in order to integrally connected to the rod 60 interlocking.

The such as the known, entirely by the printer 100 in performing a printing operation on the printing of 300 is discharged to the printer in a predetermined length of the external, then through the cutting module to carry out the cutting operation.

To this end, the nozzle discharging the paper 120 is formed on the receiving section 110 one side of, the receiving part 110 in, printing paper 300 in the printer 100 in order to roll form the winding, and, used for discharging the printing paper includes 300 of the paper supply roller 210 and is used for the cutting operation of the fixed blade 200 of the overall module is set up in the nozzle 120 on one side of the, so that the whole module can be selectively through having substantially hook-shaped locking recess 64 of the rod 60 to be mounted and removed of operation.

At the same time, according to the present invention, the movable blade 22 reciprocating toward the fixed blade 200 for cutting the printing paper 300 structure comprises: fixedly mounted in the housing 10 the electric motor 30, include a plurality of gears in the gear unit, the eccentric disk 50 and the movable member 20, the movable member 20 for the eccentric disk 50 rotate into the linear motion of the movable blade 22 reciprocating toward the fixed blade 200 mobile.

The electric motor 30 is fixed on the housing 10 on one side of the internal part of the DC motor, and is configured to according to the (not shown) from the controller a control signal to generate a forward or reverse driving force.

Gear unit is configured to make a plurality of gear engaging each other, the driving force from the electric motor 30 is transmitted to the eccentric disk 50, and includes: the electric motor is mounted in a fixed manner 30 of a driving shaft of the driving gear 40 ; and the rotating drive gear 40 engaging the reduction gear 42, for reducing a rotational force; and the mounting of the reduction gear 42 rotating shaft of the shaft gear 44 engaging idle gear 46 ; and the idle gear and 46 engaged with the idle gear 46 interlocking of the driven gear 48.

Guide hump 58 through the driven gear 48 the center of the upper surface, so that the eccentric disc 50 can be moved.

The eccentric disc 50 having substantially the shape of a disk, and an eccentric disc 50 one side of the outer peripheral surface of the stress and expansion, so that the corresponding part and the driven gear 48 engaging the upper surface of, can be at the same time via a hinge pin 56 to rotate, in the eccentric disk 50 central portion of the main body formed with a slot-shaped guide hole 52, so that the and the driven gear 48 engaging guide hump 58 passes through the guide holes 52.

The movable element 20 of the slot 26 is connected, to the movable member 20 for reciprocating movement of the connecting convex external force 54 from adjacent to the guide holes 52 position suddenly out of.

And the eccentric disk 50 of the connecting projection 54 engaging, for its reciprocating movement of the movable part 20 included in the main body of the central forming the trough 26 of the plate, and provided in the housing 10 corresponding to the upper side of the fixed blade 200 position, and the movable blade 22 formed in its front end to selectively carry out reciprocating motion.

Cutting prevent the recess 24 is formed in the movable element 20 of the movable blade 22 of the central, and the movable blade 22 to the center of the two ends of the cutting prevent the recess 24 inclined.

Therefore, printing paper 300 through the fixed blade 200 and the movable blade 22 of the joint is cut off, printing paper 300 can be completely cut-off, or, according to cutting prevent the recess 24 and a fixed blade 200 bonding strength of, printing paper 300 corresponding to the cutting prevent the recess 24 portion is left.

Therefore, because according to the electric motor 30 forward or reverse rotation, the driven gear 48 guide projection 58 is moved to the eccentric disk 50 of guiding holes 52 side or the other side, the moving distance of the movable member to be controlled.

Movable member 20 according to the moving distance of the slot-shaped guide hole 52 in the moving guide hump 58 and and the movable member 20 is connected with the connecting projection 58 to define the distance between the.

The printer of the present invention in the cutting knife structure, when the movable member 20 of the movable blade 22 and the fixed blade 200 inadvertently engaged or printing paper 300 paper jam is, the movable blade 22 through is disposed in the housing 10 on one side of the rod 60 and return to the control of.

Only on its outer peripheral surface a portion of which has sawtooth gear return gear 49 is mounted on the driven gear 48 to the lower side of the driven gear 48 interlocking the rotating shaft, and selectively attached to the return gear 49 pressing tabs on the 74 [...] -it is used for applying an external force to the return gear 49 on the outer circumferential side of the gear-mounted on the return gear 49 of the outer peripheral surface on one side.

Attached to the spring 76 is a torsion spring, is attached with a spring 76 and one end of the guide wall 78 and the other end is fixed on the press piece 74 on the main body, so that the elastic force is applied to the pressing piece 74 is, in order to allow the pressing piece 74 is attached to the return gear 49 on the outer circumferential surface.

The rod-shaped and by the center hinge and the horizontal rotation of the rotary member 70 is mounted in the housing 10 the inner, and rotating member 70 and one end of the press piece 74 are connected into a hinge structure, while the other end of the rod 60 one end of the contact.

The rod 60 contacts an end of the rotating part of the 70 the other end of the staple provided with reverse the separation preventing guide 68 and guide is restricted in, so as to smooth the horizontal rotation.

Furthermore, L-shaped flat plate shape has a guiding wall 78 formed in the adjacent to the rotary member 70 and the pressing piece 74 connected position of each other, when the rotating member 70 according to the rod 60 during the rotation of operation, the guide wall 78 for a boot operation, so that the press piece 74 is attached to the return gear 49 on the outer circumferential surface.

The return spring corresponding to the torsion spring 72 is mounted on the rotating member 70 on the center hinge, and the rotating part of the rotation by the external force 70 eliminating the external force at the same time to return to the original position.

Mounted in the shell 10 of one side of the rod 60 is used for the to form an integral module of the fixed blade 200 and a paper feed roller 210 attached to or separation of the known button, wherein rod 60 are connected by a hinge structure of the main body of the vertical rotation, used for fixing the blade 200 and the feeding roller 210 separate sliding part 62 formed in the lever 60 one side of, and at the same time used for applying external force to the rotating member 70 contact the other end of the pressing part 64 formed in the lever 60 one end of the other, so as to tilt.

Return gear 49 is at the lower part of the outer peripheral surface of the partially removed in order to form a detection part 49a, and the detection switch 80 mounted on the detector 49a on one side of, the states the examination department 49a detecting return gear 49 rotating position, and will be based on the detection signal is transmitted to the controller.

Label 12 said housing cover, the housing cover and wherein the mounting of the motor 30, gear unit and movable member 20 of the housing 10 is connected with the upper surface, in order to close the housing 10 of the internal.

Furthermore, the printer of the present invention the operation of the cutting knife structure described in detail with reference to the attached drawing.

According to the present invention, according to the printing operation of the printer, the printer 100 is in the is configured to use the specific structure of the cutting module of state-printing paper 300 is discharged from the, in order to cut the printing paper, first of all, the electric motor 30 from the printer according to a controller (not shown) generates the control signal in the forward or reverse driving force, and therefore, electric motor 300 driving force through the gear unit of the drive gear 40, the reduction gear 42, shaft gear 44 and the idle gear 46 and the driven gear 48 is transmitted to the eccentric disk 50, in order to make the eccentric disk 50 forward or reverse rotation, thus interlocking the eccentric disk 50.

Furthermore, because an eccentric disc 50 via a hinge pin 56 and the driven gear 48 is connected with the upper surface, by means of the guide hole 52 and guide hump 58 to move, and is arranged in the eccentric disk 50 is connected on the upper surface of projection 54 is arranged on the movable member 20 the trough 26 in, therefore, from the electric motor 30 as being used in transmitting the rotation force of the external force of the linear movement provided to the movable member 20.

Therefore, when the eccentric disc 50 of the connecting projection 54 in the grooves 26 while moving, the movable member 20 is moved forward a predetermined distance, and thus, the fixed blade 200 overlaps with the movable blade 22 at the position corresponding to the, can lie moveable piece 20 at the front end of the movable blade 22 cutting is located in the movable blade 22 and a fixed blade 200 the manifold between 300.

Furthermore, when the driven gear 48 according to the electric motor 30 rotates once the driving of, the movable member 20 is controlled at a time to carry out the reciprocating movement, and is mounted on the driven gear 48 of the detecting switch 80 by forming in the return gear 49 detector in 49a to detect the position of the corresponding, in order to transmit the signal to the printer controller.

Because the movable member 20 is designed to make the movable member 20 by the moving distance of the electric motor 30 to rotate in a forward direction or a reverse direction control, therefore, the movable blade 22 and a fixed blade 200 in the position that overlap each other under the control of the controller of the printer is adjusted, when the printing paper 300 by means of the central portion of the movable blade 22 the central cutting prevent the recess 24 the left, of the printing paper 300 can be cut, or printing paper 300 can be completely cut-off.

At the same time, through the movable element 20 of the mobile cutting printing paper 300 in the process of, when the fixed blade 200 and the movable blade 22 joined to each other in or printing paper to 300 paper jam is, through the setting of this state of the printer 100 on one side of the rod 60 of the lifting operation.

That is to say, when the fixed blade 200 and the movable blade 22 is jointed to each other, is formed in the driven gear 48 of the lower part of the return gear 49 on the outer circumferential side of the gear part is positioned in the corresponding to the press piece 74 on one of the points.

Therefore, if the user repeatedly according to the compression rod 60 the pressing part 62, the pressing part 62 on the other side of the pressing section 66 through rod 60 vertically rotating and rising, and transmitted to the external force from this rotary member 70, its one side and the pressing part 66 contact, so that the rotary member 70 carried on the horizontal rotation and is hinge-connected to the external force is applied to rotary member 70 on the other side of the press piece 74.

Furthermore, because the rotating member 70 through the one end of the staple-shaped groove corresponding to the separation of the reverse basically prevent the guide 68 limits, therefore, the rotary member 70 can be stably guided in the slot can be rotated at the same time.

To the 74 [...] -external force through the rotary member 70 is transmitted to the upper-bulldozes formed on the return gear 49 on the external circumferential surface of the part of the saw teeth of the gear (see Figure 7), in order to exert a rotational force, at the same time through the guide wall 78 and attached spring 76 attached to the the operation of the return gear 49 on the outer circumferential surface.

Therefore, when the rod 60 is repeatedly pressed, through the press piece 74 operation, the driven gear 49 rotating, then through the driven gear 48 rotating, when the pressing piece 74 is positioned in the return gear 49 no gear portion of the one of the points, the movable blade 22 and a fixed blade 200 inadvertently may be lifted.

Thereafter, if the user completely control lever 60 the pressing part 62, through the return spring 72 the operation, the rotary member 70 to return to the original position, so that the press piece 74 maintain the return gear 49 spaced apart from an outer circumferential surface of a section of a predetermined distance.

Therefore, the cutting knife structure of the printer of the present invention, when the cutter is inadvertently engaged or printing paper 300 paper jam is, the problems can be through the rod 60 to solve a simple operation.

Although other modifications can be made, however, these modifications may be made separately from the technique of the present invention understood mental or in the foreground, and falls into the application rights defined within the scope of the claims.

[The Figure mark]

10   housing

12   housing cover

20   movable member

22   a movable blade

24   cutting prevent the recess

26   groove

30   motor

40   drive gear

42   reduction gear

44   shaft gear

46   the idle gear

48   driven gear

49   return gear

49a   detecting part

50   frame

52   guide holes

54   connecting projection

56   hinge pin

58   guide hump

60   rod

62   pushing part

64   locking recess

66   the pressing part

68   separation preventing guide

70   rotating member

72   reset spring

74   by

76   attached to spring

78   guide wall

80   detecting switch

100   printer

110   receiving part

120   nozzle

200   fixed blade

210   for paper roll

300   printing paper.