Graduation grinder clamp

Technical Field

The present invention relates to the field of aviation engine, in particular, relates to an indexing miller-clamp.

Background Art

Indexing grinding blade when the two inclined surfaces of the journal, the precision requirement of symmetry, is very high, so the need of high parts counts the indexing mechanism ensures that the symmetry of the request, at the same time also required to realize the fast positioning of the parts, the angular positioning and hold-down, in order to improve the production efficiency of the parts and ensure the processing accuracy of the part.

The grinding processing of the part of the clamp is in the form of the traditional structure, the axial indexing structure hole disc type indexing, the positioning of the parts using semi-positioning, compress mode semi-circular movable pressure plate type, the angular positioning of the parts the screw pushing the movable angular the block pastes angular direction of the parts, the parts of the holder placed on the jig measuring bracket measurement.

hole disc type axial indexing structure due to the dividing disc between the rotating shaft and the clamp, between the indexing bolt and the indexing plate have a gap, the gap to the symmetry of the part the impact of the produce very large, and the positioning and high precision of the angle; at the same time the whole clamp the structure is complex, can not achieve the design requirements of the accuracy of manufacture, the clamp is easy to be worn.

Content of the invention

The present invention provides a dividing miller-clamp, in order to solve the problems that the presence of the existing fixture during the processing of the symmetric difference, positioning and poor precision of the angle, clamp the structure is complicated, manufacturing precision is unable to meet the design requirements, the clamp is easy to be worn the technical problem.

The technical proposal adopted by this invention are as follows:

A dividing miller-clamp, which comprises a bottom plate, the bottom plate is provided with a support block, the support block is provided with a inclined plane, the inclined plane and the horizontal plane of the included angle between the 1st and parts of the surface to be ground with the horizontal plane is equal to the included angle between 2nd between the; inclined surface is arranged on the parts for clamping and positioning the positioning and clamping assembly, positioning and clamping assembly includes a positioning block, the bottom and the top of the of the positioning blocks are used in the plane of the joint and the inclined surface, half of the height of the positioning block is provided with a holding means used for holding parts of the peripheral wall of the bayonet, the bayonet of the clamping plate is provided with elastic, positioning and clamping assembly also includes a clamping plate to clamp the parts in the bayonet locking piece; on the positioning block on the parts is also provided with a face-up processing of the angular positioning assembly; the bottom plate is also provided with the positioning block and the base plate of the pressing component.

Furthermore, the locating block is square, including the inclined plane are respectively attached to the bottom edge and the top edge, the bottom edge and the top edge and vertical side edges and the end face of the; a on the end surface of the receiving groove for receiving a part of the; side of the middle part in the height direction is provided with round poroid bayonet; a top edge of the notch groove extending toward the bottom side, is communicated with the bayonet notch, the portion between the end face of the notch a of the cantilever beam, a clamp plate through the notch groove through the mounting hole of the positioning block.

Furthermore, in the mounting hole of the 1st section with an inner thread, and the located 2nd section on the positioning block;

The locking member includes a is arranged in the mounting hole and extends out of the clamp outer screw, the screw is arranged on the extension of the nut on the part of the clamp, is provided in the nut and the nut and the screw is fixed on the pin.

Furthermore, the mounting hole with the 2nd section includes 1st 1st section of small section is connected, is connected with the 1st and of 2nd provided with an internal thread of the; screw arranged on the 1st and 1st 1st section and the outer section extends; 2nd small section is provided with a screw plug to limit of the screw rod.

Furthermore, close to the bottom side of the receiving groove is parallel to the bottom wall of the processing on the bottom side of the mounting groove extending; angular positioning assembly comprises a flaky angular orientation piece , supporting rod, and 1st elastic member; slide is arranged in the mounting groove angular orientation piece , angle to the on-chip processing is used for holding parts of the peripheral wall of the slot, the slot for the positioning surface with the parts of the mask matching; on the positioning block is fixedly arranged on the support bar, the two ends of the elastic piece 1st respectively connected with the supporting rod and angular orientation piece , in order to make the contact closely with the positioning surface.

Furthermore, the pressing assembly includes 1st is arranged on the bottom plate of the pillar, a 1st the top of the post with the external screw thread, a pressure plate is sleeved on the pillar 1st, 2nd elastic member, the compression nut and, the pressure plate is arranged to slide up and down, 2nd elastic member is located between the pressure plate and the bottom plate, hold-down nut is positioned in the upper part of the pressure plate; pressing the assembly also includes the is arranged on the bottom plate of the pillar 2nd, 2nd and high positioning block and the like, and the 2nd and 1st positioning block respectively arranged on the two sides of the pillar.

Furthermore, the pressing plate in a plate-like structure, the 1st through a waist type hole of the pillar, the bottom of the 2nd of the incompatible with the top of the post with the 1st runner.

Furthermore, a film rewind for supporting block includes a supporting part of the positioning block, is arranged and is used for the support to the positioning block on the supporting part to limit the movement of the limiting part of the; on the upper surface of the supporting part is provided with an incline.

Furthermore, dividing miller-clamp also includes a positioning block used for the pins and the limit part of the supported assembly; assembly includes pins and is located in bottom plate with the limiting part corresponding to the support plate, are arranged on the supporting plate and is used for the locating block tightly and the limit part of the fastener.

Furthermore, dividing miller-clamp also includes is arranged on the bottom plate of the knife base, and after the grinding for installation of the measuring whether the measurement of the surface level of the mounting seat; the horizontal plane to the top of the tool, and the height of which is higher than the height of the mounting seat.

The invention has the following beneficial effects:

The invention includes the blade by clamping and positioning, and at the same time dividing the blade by the positioning block, the positioning block when indexing the blade by, clamped with only need to make the locating block of the blade 180 degrees, can be, the indexing operation is simple, and the blade is divided into degrees of precision is high;

The invention also comprises a support block, the support block is arranged on the positioning block to be ground on the inclined surface of the of the blade is parallel to the horizontal plane, so as to improve the processing precision of the inclined surface of the;

Indexing miller-clamp of the present invention overall compact structure, good manufacturing process, can meet the requirements of the tooling design, and convenient to operate when in use, the production efficiency is high, and can satisfy a kind of having a relatively of the inclined surface of the processing requirements of the parts, good versatility.

In addition to the above the purpose of the description, features and advantages, the invention also has other objectives, features and advantages. Will be with reference to Figure, this invention for further detailed description.

Description of drawings

Form a part of this application the Figure this is used to provide further understanding of the invention, illustrative embodiments of the invention the note for the interpretation of this invention, does not constitute the limits of this invention. On the drawings:

Figure 1 is a structure diagram of the space of the preferred embodiment of the present invention dividing miller-clamp when the clamping parts;

Figure 2 is front view a structure diagram of fig. 1;

Figure 3 is a structure diagram of-Figure 1;

Figure 4 is a structure diagram of regards left Figure 1;

A structure diagram of in Figure 2 to the Figure 5 is E-E involute helicoids;

Partial section view an enlarged view of in Figure 2 to the Figure 6 is G-G;

A structure diagram of in Figure 3 to Figure 7 is F-F involute helicoids;

Figure 8 is a structure diagram of the space of the positioning block in Figure 1;

Figure 9 is front view a structure diagram of Figure 8;

Figure 10 is overlooking a structure diagram of Figure 8;

A structure diagram of in Figure 10 Figure 11 is H-H to the involute helicoids;

Figure 12 is front view a structure diagram of the angular orientation piece in Figure 1.

The Figure mark note:

1, bottom plate; 2, support block; 200, the inclined plane; 21, supporting part; 22, limiting part; 3, positioning and clamping assembly; 31, positioning block; 310, mounting hole; 311, bayonet; 312, splint; 313, bottomside; 314, a top edge; 315, side; 316, end face; 317, slot; 318, notch grooves; 319, mounting groove; 32, a locking piece; 321, screw; 322, nut; 323, pin; 324, plug; 4, angular positioning assembly; 41, angular to piece ; 411, slot; 412, the contact surface; 42, supporting rod; 43, 1st elastic member; 5, pressing component; 51, 1st pillar; 52, pressure plate; 521, a waist type hole; 522, 1st chute; 53, 2nd elastic member; 54, compression nut; 55, 2nd pillar; 6, propping assembly; 61, support plate; 62, fastener; 7, the knife seat; 8, mounting seat.

Mode of execution

The following illustrated in the Figure the embodiment of the present invention to carry out a detailed description, however, the invention is defined by claims and covers the implementation of a plurality of different ways.

As shown in Figure 1 to Figure 5, Figure 8 and Figure 11 is shown, the preferred embodiment of the present invention has offered a kind of indexing miller-clamp, which comprises a bottom plate 1, the bottom plate 1 is provided with a resting block 2, support block 2 is provided with a inclined plane 200, the inclined plane 200 1st with the horizontal plane of the angle between the parts of the surface to be ground with the horizontal plane is equal to the included angle between 2nd between the; inclined plane 200 is arranged on the parts for clamping and positioning the positioning and clamping assembly 3, positioning and clamping assembly 3 includes a positioning block 31, the positioning block 31 are the bottom and the top to be used for the inclined plane 200 the plane of the joint, the positioning block 31 is provided with a half of the height of the holding parts for the bayonet of a peripheral wall 311, bayonet 311 of the clamping plate is provided with elastic at 312, positioning and clamping assembly 3 also includes a clamping plate 312 bayonet clamp 311 of the part in the locking part 32 ; positioning block 31 is also provided with a part of the face-up processing of the angular positioning assembly 4 ; the bottom plate 1 is also provided with the positioning block 31 and the bottom plate 1 of the pressing component 5. The indexing miller-clamp of this invention the blade processing the attire clamps treats the journal, first of all the blade is arranged on the positioning block 31 of the clamp on the 311 inner; then adopt the angular positioning assembly 4 to be ground on the journal of the blade one of the inclined plane is up; then the locking member 32 will lock into the bayonet 311 and 312 between; and then the positioning block 31 is placed in the inclined plane 200 is, the positioning block 31 with the top or the bottom of the inclined plane 200 attached, because the inclined plane 200 1st with the horizontal plane of the angle between the parts to be ground between the surface of the with the horizontal plane is equal to the included angle between 2nd, when the positioning block 31 is located on the inclined plane 200 is on, to be ground on the blade of the inclined plane is parallel to the horizontal plane; the pressing component 5 the positioning block 31 with the resting block 2 pressing. When one of the on the blade to be ground after the completion of processing the inclined surface of the, release the pressing component 5, rotating the positioning block 31 so that before the bottom or the top of the, and re-adopt the pressing component 5 pressing the positioning block 31. The invention includes the blade by clamping and positioning, and at the same time dividing the blade by the positioning block 31, by the positioning block 31 when indexing the blade by, clamped with only need to make the positioning block of the blade 31 to rotate 180 degrees, can be, the indexing operation is simple, and the blade is divided into degrees of precision is high; the invention also including the resting block 2, support block 2 for clamping is arranged on the positioning block 31 to be ground on the inclined surface of the of the blade is parallel to the horizontal plane, so as to improve the processing precision of the inclined surface of the; indexing miller-clamp of the present invention overall compact structure, good manufacturing process, can meet the requirements of the tooling design, and convenient to operate when in use, the production efficiency is high, and can satisfy a kind of having a relatively of the inclined surface of the processing requirements of the parts, good versatility.

Specifically, as shown in fig. 8 to fig. 11 illustrated, the positioning block 31 is square, including for the inclined plane 200 are respectively attached and the base 313 and the top side 314, the bottom and 313 and the top side 314 are both vertical side edges 315 and 316 ; end face 316 is used for holding parts of the holding slot 317, the clamped part is the positioning block 31 is on, the parts will be located on the part of the slot 317 inner, as shown in Figure 1 ; the side 315 at the middle part in the height direction is provided with round poroid bayonet 311, bayonet 311 and the slot 317 communicated with; the top edge 314 with the bottom edge of the processed on 313 extending notch grooves 318, notch 318 with the bayonet 311 is connected with, the end face 316 and the gap 318 between the cantilever beam type of the clamping plate portion 312, splint 312 passes through the notch groove is processed on 318 through the positioning block 31 of the mounting hole 310.

Recombines Figure 6 as shown, mounting holes 310 located on plate 312 on the 1st section with an inner thread, and the positioning block 31 2nd section on the; locking member 32 includes is arranged in the mounting hole 310 in and extends out of the clamp 312 outer screw 321, is arranged on the screw 321 extend out of the plate 312 of the nut on the part 322, and is arranged in the nut 322 to make the nut 322 and the screw rod 321 fixed pin 323. As shown in Figure 6, when the needs of the clamping parts, the only rotating the nut in a clockwise direction to 322, so that the screw 321 rotates clockwise, the splint 312 clamping parts; the need to release the parts when, only in the opposite direction of rotation to the nut 322 can be, simple clamping of the parts.

Optionally, in combination with Figure 6 as shown, the mounting hole 310 of the 1st, 2nd, and 1st of the small section is connected, is connected with the 1st and of 2nd provided with an internal thread of the; screw 321 arranged on the 1st and 1st 1st section and the outer section extends; 2nd small section is provided with the screw 321 of the plug limit 324. As shown in Figure 6, rotating the nut 322 is, in order to prevent the screw 321 extends out of the 2nd small section of the outer, the 2nd is arranged in the small section of the screw 321 of the plug limit 324.

Specifically, as shown in Figure 8 and Figure 10, slot 317 close to the bottom side of the 313 and the bottomside 313 parallel processing on the tank wall of the bottom edge of the 313 extending mounting groove 319 ; in combination with Figure 1 and Figure 12 indicated by the, angular positioning assembly 4 comprises a flaky angular orientation piece 41, rod 42, and 1st elastic member 43 ; angular orientation piece 41 is slipped and fixed to the mounting groove 319 inner, angular orientation piece 41 is provided with a holding means used for holding parts of the peripheral wall of the slot 411, the slot 411 for the positioning surface with the parts of the mask match 412 ; supporting rod 42 is fixedly arranged on the positioning block 31 is, 1st elastic member 43 are respectively connected with the two ends of the support rod 42 and angular orientation piece 41 is connected, in order to make the mask 412 closely with the positioning surface. Combining Figure 7 illustrated, when the contact surface 412 on the parts closely with the positioning surface, and angular orientation piece 41 is fixed to the mounting groove 319 is in, is arranged on the positioning block 31 to be ground on the surface of the parts will be upward and parallel to the horizontal plane, so as to realize the angular positioning of the parts.

In particular, in this invention, as shown in Figure 4 and Figure 5, pressing component 5 includes a bottom plate 1 of the 1st pillar 51, 1st pillar 51 there is external screw thread at the top end of the, 1st pillar 51 is sleeved on the locating block for compressing 31 of the pressure plate 52, is used for supporting the pressure plate 52 of the 2nd elastic member 53, for the pressure plate and 52, pressing and positioning block 31 of the compression nut 54, pressure plate 52 is arranged to slide up and down, 2nd elastic member 53 is located in the pressing plate 52 and the bottom plate 1 between, the compression nut 54 is located in the pressure plate 52 above. Pressing the positioning block 31, the, first of all the pressure plate 52 presses the positioning block 31 the top or the bottom of, and then screwing the compression nut 54 can be the positioning block 31 and the bottom plate 1 pressing, loosen the positioning block 31, , the only reverse operation, pressing component 5 the structure is simple, convenient and quick operation. The present invention preferred embodiment, 1st pillar 51 is a double-head stud, with the bottom plate 1 is connected with the screw thread.

Alternatively, pressing component 5 arranged on the bottom plate 1 for supporting on the pressure plate 52 of the 2nd column 55, 2nd pillar 55 and the positioning block 31, is high, and the 2nd column 55 and the positioning block 31 are respectively arranged on the 1st pillar 51 of the two side. The bottom plate 1 is additionally provided with 2nd pillar 55, and 2nd pillar 55 and the positioning block 31 and other high, can make the pressure plate 52 uniform pressing the positioning block 31.

More optionally, in combination with Figure 3 is shown, the pressure plate 52 in a plate-like structure, for the 1st column 51 passes through the object hole 521, and its at the bottom of the 2nd column 55 at the top end of the 1st incompatible with the groove 522. Because the pressure plate 52 for 1st on the pillar 51 to a waist type hole passing through the hole, the left and right so that the adjustment to the pressure plate 52, pressing and positioning block 31 position; 1st chute 522 can be against the pressure plate 52 to guide the movement of the. In particular, in this invention, as shown in Figure 1 and Figure 2, support block 2 comprises a is used for supporting the positioning block 31 of the supporting part 21, and is fixed to the supporting part 21 is used for the pair of positioning block 31 in the supporting part 21 to limit the movement of the limiting part 22 ; supporting part 21 is provided with an incline on the upper surface 200, the positioning block 31 is placed in the inclined plane 200 on.

Alternatively, as shown in Figure 2, because the used for placing the positioning block 31 the surface of the inclined plane, when the positioning block 31 is placed in the inclined plane 200 is on, the same will be under the action of gravity towards the inclined plane 200 sliding one end of the downward inclination, thus affecting the positioning block 31 positioning the clamping action, therefore, in the present invention, indexing miller-clamp also includes being used for making the positioning block 31 and a limiting part 22 assembly propped against the pins 6.

Specifically, as shown in Figure 2 and Figure 3, the assembly 6 includes a bottom plate 1 and and a limiting part 22 relative to the supporting plate 61, and are arranged on the supporting plate 61 is used for the positioning block 31 and a limiting part 22 tightening of the fastener 62. The invention a particular embodiment, support plate 61 by the screw and the bottom plate 1 is fixed; fastener 62 for holding screw, the holding screw is movably arranged on a support plate 61 is, and toward the limiting part of the screw thread of the fastening screw 22. When the positioning block 31 is located on the inclined plane 200 is on, the rotary fastening screw can make the positioning block 31 and a limiting part 22 is supported, so as to pair of positioning block 31 to limit.

In this invention, as shown in fig. 1 to fig. 3 is shown, the indexing miller-clamp also includes a bottom plate 1 of the knife holder 7, used for placing and mounting base of the measuring tool 8 ; the knife holder 7 to the top of the parallel to the base plate 1 the horizontal, and the knife holder 7 on the height of the parts to be ground after passing through the grinding surface of the bottom plate 1 is equal to the height between. At the time of processing, on the parts when the need to measure the surface to be ground after the grinding of the is level, first of all the external measuring tool placed on the mounting seat 8 on, and then the measuring tool aligning the head of the knife holder 7, the reading of the table is adjusted, and then rotates the measuring tool alignment element on the surface thereof, by reading the gauge reading, it can know whether the horizontal, after processing and whether the size of the same size and design, so as to judge whether the size of the grinding part of the qualified.

Above for the stated example the preferred embodiment of the invention, is not used for limiting of the present invention, the technical personnel in this field, the invention can have various modification and change. Where in the present invention within the spirit and principle of the, any modifications made by the, equivalent replacement, improved, and the like, shall be included in the scope of protection of this invention.