CN214643077U - Double-station clamp for machining compressor moving disc - Google Patents

Abstract

The utility model relates to a duplex position anchor clamps are used in processing of compressor driving disk, belong to the technical field of anchor clamps, it is including pressing from both sides tight seat, be equipped with multiunit supporting component on pressing from both sides tight seat, supporting component includes three and the fixed column of pressing from both sides the perpendicular fixed connection of tight seat, fixed column and side ear one-to-one, be equipped with a plurality of cylinders on pressing from both sides tight seat, the cylinder is located one side that the fixed column was kept away from each other, cylinder and fixed column one-to-one, the piston rod of cylinder articulates there is the compact heap that is used for compressing tightly the side ear, the compact heap is towards supporting component's center, it articulates to press from both sides tight seat has the bracing piece that is located between fixed column and the cylinder, the bracing piece is kept away from the one end that presss from both sides tight seat and is articulated with the compact heap. This application has the effect that the convenience presss from both sides the work piece fast and tightly carries out processing.

Description

Double-station clamp for machining compressor moving disc

Technical Field

The application relates to the field of clamps, especially relates to a double-station clamp is used in processing of compressor driving disk.

Background

As shown in fig. 1, a compressor workpiece includes a disc-shaped cover body 1, three side lugs 11 are fixedly arranged on an annular side wall of the cover body 1, the side lugs 11 are uniformly distributed along the circumferential direction of the cover body 1, a circular hole 12 is formed in the surface of the cover body 1, and the circular hole 12 is arranged close to the side lugs 11.

The related technology can refer to Chinese patent with the publication number of CN204053782U, which discloses a clamp for processing a motor end cover, comprising a chuck body, wherein a base is arranged on the lower side surface of the chuck body, an alarm is arranged on the outer ring of the base, three T-shaped grooves are uniformly arranged in the front side surface of the chuck body, a clamping jaw is arranged in each T-shaped groove, a pressure sensor is arranged at the position close to the front end of the outer side surface of the clamping jaw, a clamping jaw sliding key is arranged on the inner side surface of the clamping jaw, the clamping jaw is hinged and connected with the T-shaped groove through the clamping jaw sliding key, a protrusion is arranged at the front end of the clamping jaw, a jaw tooth is arranged at the bottom end of the clamping jaw, a spiral groove is arranged at the rear end of the clamping jaw and meshed and connected with the spiral groove, a large bevel gear is arranged at the bottom end of the outer wall of the square hole, a wrench is inserted in the square hole, and a square block is arranged at the bottom end of the wrench, the spanner is connected with the square hole through the square block.

Aiming at the related technologies, the inventor thinks that the clamp needs to be manually rotated to enable the clamping jaws to slide to clamp the workpiece in the use process, and the clamping process is slow.

SUMMERY OF THE UTILITY MODEL

In order to conveniently and rapidly clamp a workpiece for machining, the application provides a double-station clamp for machining a movable disc of a compressor.

The application provides a pair of duplex position anchor clamps are used in processing of compressor driving disk adopts following technical scheme:

the utility model provides a double-station clamp is used in processing of compressor driving disk, includes and presss from both sides tight seat, it is equipped with multiunit supporting component on the tight seat to press from both sides, supporting component includes three and the tight seat perpendicular fixed connection's of clamp fixed column, fixed column and side ear one-to-one, it is equipped with a plurality of cylinders on the tight seat to press from both sides, the cylinder is located the one side that the fixed column kept away from each other, cylinder and fixed column one-to-one, the piston rod of cylinder articulates there is the compact heap that is used for compressing tightly the side ear, the compact heap is towards supporting component's center, it articulates to have the bracing piece that is located between fixed column and the cylinder to press from both sides tight seat, the bracing piece is kept away from the one end of pressing from both sides tight seat and is articulated with the compact heap.

Through adopting above-mentioned technical scheme, the user places the end cover between the fixed column, then on placing the fixed column with the side ear, each fixed column corresponds a side ear and supports, then the piston rod extension of cylinder, and then promote the compact heap, the bracing piece rotates between compact heap and clamp holder this moment to make the compact heap be close to the side ear and compress tightly the side ear, and then can be comparatively quick fix convenient operation to the end cover, and can guarantee the stability of end cover.

Optionally, a clamping groove is formed in the upper surface of the fixing column, the clamping groove is located on one side, far away from the cylinder, of the upper surface of the fixing column, and the clamping groove is matched with the side lug.

Through adopting above-mentioned technical scheme, the draw-in groove can be placed to the side ear, can reduce the gliding possibility of side ear on the fixed column, and then can guarantee the fixed stability of end cover.

Optionally, the upper surface of the clamping seat is vertically and fixedly connected with a positioning column, and the positioning column can be inserted into the circular hole.

Through adopting above-mentioned technical scheme, reference column and round hole cooperation can further carry on spacingly to the end cover, further guarantee the stability that the end cover compresses tightly the in-process.

Optionally, the clamping seat is provided with a plurality of through holes.

Through adopting above-mentioned technical scheme, through the piece that can make in the end cover course of working dropping, convenient clearance can alleviate the weight of pressing from both sides tight seat simultaneously.

Optionally, the one end that the compact heap is close to the cylinder has been seted up and has been rotated the groove, the one end that the piston rod of cylinder is close to the compact heap has been seted up and has been rotated the hole, the jack that the intercommunication rotated the groove is seted up to the lateral wall of compact heap, the jack is parallel with the rotation hole, it is equipped with the pole to peg graft in the jack, the pole is located the rotation hole, the pole rotates with the piston rod of cylinder to be connected, the one end fixedly connected with disc of pole, the diameter of disc is greater than the diameter of jack, the annular has been seted up to the other end of pole, the joint has the jump ring in the annular.

Through adopting above-mentioned technical scheme, the long-term use of cylinder and compact heap, wearing and tearing can take place for the round bar, and the user takes out the jump ring from the annular through instruments such as nipper pincers this moment, then the pulling disc drives the round bar and takes out the change from rotating hole and round hole, and convenient operation can improve life.

Optionally, a hinged seat located between the cylinder and the fixed column is arranged on the clamping seat, the supporting rod is hinged to the hinged seat, the hinged seat is rotatably connected with connecting rods located on two sides of the supporting rod, a connecting hole located under the connecting rod is formed in the clamping seat, the connecting rod is inserted into the connecting hole, a protruding block is fixedly connected to the bottom end of the connecting rod, a vertical groove is formed in the side wall of the connecting hole along the length direction of the inserting hole, the protruding block is connected to the vertical groove in a sliding mode, an arc-shaped groove is formed in the position, close to the bottom end, of the side wall of the connecting hole, the arc-shaped groove is communicated with the vertical groove, and the protruding block can slide in the arc-shaped groove.

Through adopting above-mentioned technical scheme, when the compact heap needs to be changed, the user rotates the connecting rod and makes the connecting rod drive the lug and rotate in the arc wall, and when the lug removed the perpendicular groove from the one end that the arc wall kept away from the perpendicular groove, use the pulling connecting rod to make the lug slide in the perpendicular groove, made the connecting rod break away from the connecting hole simultaneously, and then can be fast with articulated seat and the separation of pressing from both sides tight seat, the simple operation.

Optionally, the connecting rod is sleeved with a torsion spring, one end of the torsion spring is fixedly connected with the hinged seat, the other end of the torsion spring is fixedly connected with the connecting rod, and when the torsion spring is in a natural state, the convex block is located in the arc-shaped groove.

Through adopting above-mentioned technical scheme, the torsional spring can drive the connecting rod and rotate, and then inserts the lug and establish the arc wall in, can guarantee the stability that lug and arc wall are connected, and then guarantee to articulate the seat and press from both sides the stability of being connected between the tight seat.

Optionally, the upper surface and the lower surface of the bump are both provided with a groove, a ball is placed in the groove, and the ball can be abutted against the upper surface and the lower surface of the arc-shaped groove.

Through adopting above-mentioned technical scheme, when the lug slided in the recess, the ball rotated in the recess, can reduce the frictional force between lug and the arc wall, made the lug slide more smoothly in the arc wall.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the air cylinder, the pressing block, the supporting rod and the fixing column, the fixing column can support the side lugs of the end cover, the air cylinder drives the pressing block and the supporting rod to rotate, the side lugs can be pressed, and the operation is convenient and labor-saving;

2. the stability of the end cover in the machining process can be ensured through the arrangement of the clamping grooves and the positioning columns;

3. through the setting of articulated seat, connecting rod, lug, connecting hole, perpendicular groove and arc wall, can make things convenient for quick change articulated seat and compact heap.

Drawings

FIG. 1 is a schematic view of an overall structure of a compressor head cover according to the related art of the present application;

FIG. 2 is a schematic view of a connection structure of a clamping seat and a compressor end cover in embodiment 1 of the present application;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

FIG. 4 is a schematic view of a connection structure of a clamping seat and a compressor end cover in embodiment 2 of the application;

FIG. 5 is a schematic view showing a partial cross-sectional structure of a tie bar in embodiment 2 of the present application;

FIG. 6 is a schematic view showing a partial cross-sectional structure of an arc-shaped groove in embodiment 2 of the present application;

fig. 7 is an enlarged structural view of a portion B in fig. 5.

Description of reference numerals: 1. a cover body; 11. a lateral ear; 12. a circular hole; 2. a clamping seat; 21. an upper plate; 22. a lower plate; 23. a positioning column; 24. a through hole; 25. connecting holes; 26. a vertical slot; 27. an arc-shaped slot; 28. a hexagon socket head cap screw; 29. a support sleeve; 3. a support assembly; 31. fixing a column; 32. a card slot; 4. a cylinder; 5. a compression block; 51. a rotating groove; 52. a jack; 53. a second lateral axis; 6. a hinged seat; 61. a support bar; 62. an adjustment hole; 63. a torsion spring; 64. a first lateral axis; 65. connecting lugs; 7. a connecting rod; 8. a round bar; 81. a disc; 82. a ring groove; 83. a clamp spring; 9. a bump; 91. and a ball.

Detailed Description

The present application is described in further detail below with reference to figures 2-7.

The embodiment of the application discloses double-station clamp for machining of compressor moving disks.

Example 1

Referring to fig. 2, the double-station clamp for machining the compressor moving disc comprises a clamping seat 2, two groups of supporting components 3 are arranged on the clamping seat 2, an air cylinder 4 matched with the supporting components 3 is fixedly arranged on the clamping seat 2, and the air cylinder 4 is hinged with a pressing block 5. Before processing, the user places the end cover on supporting component 3, and then cylinder 4 starts to drive compact heap 5 and compress tightly the end cover, then processes.

Referring to fig. 1, the clamping base 2 includes an upper plate 21 and a lower plate 22 parallel to each other, and a plurality of through holes 24 are formed on both the upper plate 21 and the lower plate 22. Through-hole 24 can alleviate the weight of pressing from both sides tight seat 2, convenient transport, and the piece that the course of working produced simultaneously can fall through-hole 24, the clearance of being convenient for.

Referring to fig. 2, the cylinder 4 is located between the upper plate 21 and the lower plate 22, and the base of the cylinder 4 is vertically and fixedly connected with the lower plate 22, and the piston rod of the cylinder 4 penetrates through the upper plate 21 and is slidably connected with the upper plate 21. The upper plate 21 can protect the cylinder 4, and the possibility that the cylinder 4 is damaged in the machining process is reduced.

Referring to fig. 2, each of the upper plate 21 and the lower plate 22 has a rectangular parallelepiped plate shape, and corners of each of the upper plate 21 and the lower plate 22 are rounded. The round angle can reduce the possibility that the corners of the upper plate 21 and the lower plate 22 scratch the human body in the using process, and the using safety is ensured.

Referring to fig. 2, a screwing hole is formed in a position, close to a corner, of the upper plate 21, and a threaded hole is formed in a position, close to the corner, of the lower plate 22, and the threaded holes correspond to the screwing holes one to one. An inner hexagonal bolt 28 is inserted into the screwing hole, the inner hexagonal bolt 28 passes through the screwing hole and is connected to the threaded hole in a threaded manner, and a support sleeve 29 is sleeved on the inner hexagonal bolt 28. The supporting sleeve 29 is positioned between the upper plate 21 and the lower plate 22, the top end of the supporting sleeve 29 is abutted against the upper plate 21, the lower end is abutted against the lower plate 22, and the length of the supporting sleeve 29 is greater than the height of the cylinder seat of the cylinder 4. The supporting sleeve 29 can support the upper plate 21, abrasion of the upper plate 21 to a cylinder seat of the cylinder 4 is reduced, and meanwhile, the inner hexagon bolt 28 can conveniently detach the upper plate 21 and the lower plate 22, so that the cylinder 4 is conveniently maintained.

Referring to fig. 2, the supporting components 3 are distributed on the upper plate 21 along the length direction of the upper plate 21, and the supporting components 3 are provided with two groups of effects capable of achieving double-station processing, so that the processing efficiency can be improved.

Referring to fig. 2 and 3, the support assembly 3 includes three fixing posts 31 vertically and fixedly connected to the upper plate 21, the fixing posts 31 correspond to the side lugs 11 one by one, and a connecting line between two adjacent fixing posts 31 forms an equilateral triangle. The user places the cover body 1 at the center of the three fixing posts 31, and places each side ear 11 on one fixing post 31, and places the side ear 11 on the fixing post 31, thereby supporting the side ear 11.

Referring to fig. 2 and 3, a locking groove 32 is formed in the upper surface of the fixing post 31, the locking groove 32 is located on one side of the fixing post 31 close to the center of the three fixing posts 31, and the shape of the locking groove 32 is matched with the shape of the side lug 11. When the side lug 11 is placed on the fixed column 31, the side lug 11 is placed in the clamping groove 32, so that the side lug 11 is limited, the possibility that the cover body 1 drives the side lug 11 to slide on the fixed column 31 is reduced, and the placing stability of the end cover is ensured.

Referring to fig. 2, a positioning column 23 is fixedly connected to the upper surface of the upper plate 21, the positioning column 23 is perpendicular to the upper plate 21, and the positioning column 23 is located at a side where the two sets of supporting assemblies 3 are close to each other. When the side lug 11 is placed in the clamping groove 32, the positioning column 23 is inserted into the round hole 12, the cover body 1 is further limited, the possibility of rotation of the cover body 1 is reduced, and the stability of the cover body 1 in the clamping processing process is further guaranteed.

Referring to fig. 2 and 3, each cylinder 4 corresponds to one fixing post 31, and a piston rod of each cylinder 4 is located on an extension line from a central point of an equilateral triangle formed by the three fixing posts 31 to a connecting line of the fixing posts 31. And the piston rod of cylinder 4 and fixed column 31 between can dismantle through the bolt and be connected with articulated seat 6, rotate on articulated seat 6 and be connected with bracing piece 61. The piston rod of cylinder 4 rotates with compact heap 5 to be connected, and compact heap 5 extends to being close to the equilateral triangle that three fixed columns 31 are constituteed's center, and when compact heap 5 was parallel with upper plate 21, compact heap 5 extended to the top of draw-in groove 32. And one end of the support rod 61 far away from the hinge seat 6 is rotatably connected with the pressing block 5.

Referring to fig. 2 and 3, a first transverse shaft 64 is fixedly connected to both sides of the hinge base 6, a second transverse shaft 53 is fixedly connected to both sides of the pressing block 5 corresponding to the hinge base 6, and the first transverse shaft 64 is parallel to the second transverse shaft 53 and is perpendicular to the piston rod of the cylinder 4. The two ends of the support rod 61 are provided with support holes, the first cross shaft 64 is rotatably connected to one of the support holes, and the second cross shaft 53 is rotatably connected to the other support hole. When the position of the pressing block 5 changes, the first transverse shaft 64 and the second transverse shaft 53 rotate in the two supporting holes respectively, so that the pressing block 5 is convenient to approach the fixed column 31.

Referring to fig. 2 and 3, a rotation groove 51 is formed at one end of the compressing block 5 close to the cylinder 4, a rotation hole is formed at one end of a piston rod of the cylinder 4 close to the compressing block 5, and the rotation hole and the support hole are formed in the same direction. The lateral wall of the second cross shaft 53 fixedly connected with the pressing block 5 is provided with an insertion hole 52, and the insertion hole 52 is circular and penetrates through the pressing block 5. The opening direction of the insertion hole 52 is parallel to the opening direction of the rotation hole. Meanwhile, the round rod 8 is inserted into the insertion hole 52, the round rod 8 is simultaneously inserted into the rotating hole, and the end of the piston rod of the air cylinder 4 is positioned in the rotating groove 51. The piston rod extension of cylinder 4 makes, and cylinder 4 promotes compact heap 5 and rotates around round bar 8, and then adjusts compact heap 5's angle, and the convenience is close to fixed column 31 and compresses tightly to curb 11.

Referring to fig. 3, a disc 81 is fixedly connected to one end of the round bar 8, and the diameter of the disc 81 is larger than that of the insertion hole 52. An annular groove 82 is formed in one end, far away from the disc 81, of the round rod 8, the annular groove 82 is formed in the circumferential direction of the round rod 8, and a clamp spring 83 is connected in the annular groove 82 in a clamping mode. Disc 81 and jump ring 83 can carry on spacingly to pole 8, guarantee the stability that compact heap 5 and cylinder 4's piston rod are connected, simultaneously through long-time use, 8 wearing and tearing of pole lead to compact heap 5 compress tightly the angle change, and then make and compress tightly the effect and reduce, the user takes out jump ring 83 from draw-in groove 32 through using instruments such as sharp-nosed pliers, and then changes pole 8, guarantees the effect that compresses tightly of compact heap 5, increase of service life.

Referring to fig. 3, after the end cover is placed and is accomplished, the piston rod of cylinder 4 extends, and then promotes compact heap 5 and rotate to compact heap 5 and bracing piece 61 take place to rotate, rotate between bracing piece 61 and the articulated seat 6, and then promote the one end that the clamp plate kept away from cylinder 4 to the direction removal that is close to fixed column 31, and then compress tightly side ear 11, thereby fix the end cover, guarantee the stability of processing.

The implementation principle of the embodiment 1 is as follows: the user places lid 1 between three fixed column 31, makes the side ear 11 place draw-in groove 32, makes reference column 23 insert simultaneously and establishes in round hole 12, then starts cylinder 4, and the piston rod extension of cylinder 4 promotes compact heap 5 and compresses tightly side ear 11, guarantees the stability of end cover, and then processes the end cover.

Example 2

Referring to fig. 4 and 5, the present embodiment is different from embodiment 1 in that the hinge base 6 is connected to the upper plate 21 in a different manner. The two sides of the hinged seat 6 are fixedly connected with the connecting lugs 65, and the connecting lugs 65 are rotatably connected with the connecting rods 7. The connecting rod 7 is detachably connected with the upper plate 21.

Referring to fig. 5 and 6, the connecting lug 65 is vertically provided with an adjusting hole 62, and the adjusting hole 62 is cylindrical and penetrates through the connecting lug 65. The adjusting holes 62 are rotatably connected with the connecting rods 7, the two ends of each connecting rod 7 extend out of the adjusting holes 62, and meanwhile the connecting rods 7 are close to the side wall fixedly connected with bumps 9 at one end of the upper plate 21.

Referring to fig. 5 and 6, a plurality of connection holes 25 are formed in the upper surface of the upper plate 21, the connection holes 25 correspond to the adjustment holes 62 one to one, and the connection holes 25 are formed in the same direction as the adjustment holes 62. Vertical groove 26 has vertically been seted up to the lateral wall of connecting hole 25, and vertical groove 26 is seted up along the length direction of connecting hole 25, and the lateral wall of connecting hole 25 has seted up arc 27 near the position of bottom, and arc 27 is seted up along the circumference of connecting hole 25, and the one end of arc 27 and the bottom intercommunication of vertical groove 26.

Referring to fig. 5 and 6, the size of the cross-sectional shape of the protrusion 9 is identical to the size of the cross-sectional shape of the vertical groove 26, and the user aligns the protrusion 9 with the vertical groove 26 while aligning the connection rod 7 with the connection hole 25, and then inserts the connection rod 7 into the connection hole 25, which causes the protrusion 9 to be inserted into the vertical groove 26 and slide along the vertical groove 26. When the lower surface of articulated seat 6 contradicts with the upper surface of upper plate 21, lug 9 was located the bottom of vertical groove 26 and extended to arc 27 this moment, and connecting rod 7 rotated this moment, made lug 9 slide in arc 27, and then made lug 9 keep away from vertical groove 26, and then spacing connecting rod 7 to it is fixed with articulated slab and upper plate 21.

Referring to fig. 5 and 6, the connecting rod 7 is sleeved with a torsion spring 63, the torsion spring 63 is located in the adjusting hole 62, one end of the torsion spring 63 is fixedly connected with the connecting rod 7, and the other end of the torsion spring is fixedly connected with the inner wall of the adjusting hole 62. When the user rotates connecting rod 7 and makes lug 9 move to the bottom of vertical slot 26 from the one end that vertical slot 26 was kept away from to arc wall 27, torsional spring 63 took place to be deformed this moment, and when the user withdrawed the power of exerting force to connecting rod 7, torsional spring 63 drove connecting rod 7 and rotates, and then promoted lug 9 and moved to the one end that vertical slot 26 was kept away from to arc wall 27 from the bottom of vertical slot 26, convenient operation.

Referring to fig. 5 and 7, the upper surface and the lower surface of the bump 9 are both provided with a plurality of grooves, and balls 91 are placed in the grooves, and the balls 91 can be abutted against the upper surface and the lower surface of the arc-shaped groove 27. And then can reduce the lug 9 in the arc wall 27 along the length direction's of connecting rod 7 removal possibility, guarantee the stability that articulated seat 6 and upper plate 21 are connected, when torsional spring 63 drove lug 9 and slides in arc wall 27 simultaneously, ball 91 rotated and can reduce frictional force, guaranteed the smoothness nature that lug 9 removed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a double-station clamp is used in processing of compressor driving disk which characterized in that: comprises a clamping seat (2), a plurality of groups of supporting components (3) are arranged on the clamping seat (2), the supporting component (3) comprises three fixing columns (31) which are vertically and fixedly connected with the clamping seat (2), the fixing columns (31) correspond to the side lugs (11) one by one, a plurality of cylinders (4) are arranged on the clamping seat (2), the cylinders (4) are positioned at the sides of the fixing columns (31) which are far away from each other, the cylinders (4) correspond to the fixing columns (31) one by one, a piston rod of the cylinder (4) is hinged with a pressing block (5) for pressing the side lug (11), the pressing block (5) faces the center of the supporting component (3), the clamping seat (2) is hinged with a supporting rod (61) positioned between the fixing column (31) and the air cylinder (4), one end of the supporting rod (61) far away from the clamping seat (2) is hinged with the pressing block (5).

2. The double-station clamp for machining the movable disc of the compressor of claim 1, wherein: the upper surface of the fixing column (31) is provided with a clamping groove (32), the clamping groove (32) is located on one side, away from the air cylinder (4), of the upper surface of the fixing column (31), and the clamping groove (32) is matched with the side lug (11).

3. The double-station clamp for machining the movable disc of the compressor of claim 1, wherein: the upper surface of the clamping seat (2) is vertically and fixedly connected with a positioning column (23), and the positioning column (23) can be inserted into the round hole (12).

4. The double-station clamp for machining the movable disc of the compressor of claim 1, wherein: the clamping seat (2) is provided with a plurality of through holes (24).

5. The double-station clamp for machining the movable disc of the compressor of claim 1, wherein: rotation groove (51) have been seted up to compact heap (5) one end that is close to cylinder (4), the one end that the piston rod of cylinder (4) is close to compact heap (5) has been seted up and has been rotated the hole, jack (52) that the intercommunication rotated groove (51) are seted up to the lateral wall of compact heap (5), jack (52) are parallel with the rotation hole, peg (8) have been inserted in jack (52), peg (8) are located the rotation hole, peg (8) rotate with the piston rod of cylinder (4) and are connected, the one end fixedly connected with disc (81) of peg (8), the diameter of disc (81) is greater than the diameter of jack (52), annular (82) have been seted up to the other end of peg (8), the joint has jump ring (83) in annular (82).

6. The double-station clamp for machining the movable disc of the compressor of claim 1, wherein: a hinged seat (6) positioned between the cylinder (4) and the fixed column (31) is arranged on the clamping seat (2), the supporting rod (61) is hinged with the hinged seat (6), the hinged seat (6) is rotationally connected with connecting rods (7) positioned at two sides of the supporting rod (61), a connecting hole (25) positioned right below the connecting rod (7) is arranged on the clamping seat (2), the connecting rod (7) is inserted into the connecting hole (25), the bottom end of the connecting rod (7) is fixedly connected with a convex block (9), the side wall of the connecting hole (25) is provided with a vertical groove (26) along the length direction of the splicing hole, the convex block (9) is connected in a vertical groove (26) in a sliding way, an arc-shaped groove (27) is arranged at the position of the side wall of the connecting hole (25) close to the bottom end, the arc-shaped groove (27) is communicated with the vertical groove (26), and the lug (9) can slide in the arc-shaped groove (27).

7. The double-station clamp for machining the movable disc of the compressor as claimed in claim 6, wherein: the cover is equipped with torsional spring (63) on connecting rod (7), the one end and articulated seat (6) fixed connection of torsional spring (63), the other end and connecting rod (7) fixed connection, when torsional spring (63) is in natural state, lug (9) are located arc wall (27).

8. The double-station clamp for machining the movable disc of the compressor as claimed in claim 6, wherein: the upper surface and the lower surface of the convex block (9) are provided with grooves, balls (91) are placed in the grooves, and the balls (91) can be abutted to the upper surface and the lower surface of the arc-shaped groove (27).

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