CN222021139U - A tooling fixture for processing special-shaped workpieces - Google Patents
A tooling fixture for processing special-shaped workpieces Download PDFInfo
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- CN222021139U CN222021139U CN202420644544.0U CN202420644544U CN222021139U CN 222021139 U CN222021139 U CN 222021139U CN 202420644544 U CN202420644544 U CN 202420644544U CN 222021139 U CN222021139 U CN 222021139U
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Abstract
The utility model provides a special-shaped workpiece machining fixture which comprises a base with a placing groove, wherein a first clamping block and a second clamping block are arranged on the base, the first clamping block and the second clamping block are respectively positioned on two opposite sides of the placing groove, and a first driving assembly is further arranged on the base; the base is also provided with a plurality of compacting components, each compacting component comprises a compacting seat and a connecting rod arranged on the compacting seat, one end of the connecting rod, which is far away from the compacting seat, is rotationally connected with a pressing block, one end of the pressing block extends into the upper part of the placing groove, one end of the pressing block, which is far away from the placing groove, is rotationally connected with a driving rod, the base is provided with a through hole matched with the driving rod, the base is also provided with a movable support capable of lifting along the vertical direction and a second driving component in transmission connection with the movable support, and one end of the driving rod, which is far away from the pressing block, is fixedly connected with the movable support. The utility model solves the technical problem of low positioning precision of the universal fixture for clamping the special-shaped workpiece, and has the technical effect of improving the clamping precision and reliability of the special-shaped workpiece.
Description
Technical Field
The utility model relates to the technical field of machining, in particular to a fixture for machining a special-shaped workpiece.
Background
As shown in fig. 1, in the machining process of the special-shaped workpiece 100, because the special-shaped workpiece 100 has irregular shape and multiple surfaces with different heights, when the special-shaped workpiece 100 is clamped by adopting a universal fixture such as a bench vice, the contact surface between the bench vice and the special-shaped workpiece 100 is smaller, so that the special-shaped workpiece 100 easily slides on the bench vice in the clamping process, the positioning precision of the special-shaped workpiece 100 is affected, and the size of the machined special-shaped workpiece 100 is unqualified.
Disclosure of utility model
Aiming at the defects existing in the prior art, the utility model provides a special-shaped workpiece machining fixture which solves the problem that the positioning precision of clamping a special-shaped workpiece by a universal fixture in the prior art is low.
According to the embodiment of the utility model, the special-shaped workpiece machining fixture comprises a base with a placing groove, wherein a fixed first clamping block and a movable second clamping block are arranged on the base, the first clamping block and the second clamping block are respectively positioned on two opposite sides of the placing groove, a first driving component in transmission connection with the second clamping block is further arranged on the base, and the first driving component drives the second clamping block to be close to or far away from the first clamping block; the base is also provided with a plurality of compacting components, each compacting component comprises a compacting seat and a rotatable connecting rod arranged on the compacting seat, one end of each connecting rod, far away from the compacting seat, is rotationally connected with a pressing block, one end of each pressing block extends into the upper part of each standing groove, one end, far away from each standing groove, of each pressing block is rotationally connected with a driving rod, a through hole matched with each driving rod is formed in the base, the axial direction of each through hole is vertical, a movable support capable of ascending and descending along the vertical direction and a second driving component in transmission connection with the movable support are further arranged on the base, and one end, far away from each pressing block, of each driving rod is fixedly connected with the movable support.
Further, a first V-shaped groove is formed in one surface, close to the placing groove, of the first clamping block, and a second V-shaped groove is formed in one surface, close to the placing groove, of the second clamping block.
Further, the first driving assembly comprises an air cylinder and a telescopic rod arranged at the output end of the air cylinder, the telescopic direction of the telescopic rod is consistent with the moving direction of the second clamping block, and one end, away from the air cylinder, of the telescopic rod is fixedly connected with the second clamping block.
Further, be equipped with on the base and hold the first recess of second clamp splice, still be equipped with the clamp plate on the base just the clamp plate is located the opening part of first recess, the clamp plate with the second clamp splice expose in the laminating of the one side of first recess.
Further, a first guide rail is arranged in the first groove, and the length direction of the first guide rail is consistent with the moving direction of the second clamping block and matched with the second clamping block.
Further, a plurality of second grooves are formed in the base at intervals, the second grooves are arranged close to the edges of the placing grooves, and each second groove is internally provided with one pressing assembly respectively.
Further, the second driving assembly comprises a guide block movably arranged on the base, a guide groove is formed in the guide block, the height of one of the two opposite ends of the guide groove is higher than that of the other end of the guide groove, and a connecting rod matched with the guide groove is arranged on the movable support.
Further, the second driving assembly further comprises a motor and a screw rod arranged at the output end of the motor, the screw rod is rotatably arranged on the base, the axial direction of the screw rod is consistent with the moving direction of the guide block, and the guide block is provided with a threaded hole matched with the screw rod.
Further, a second guide rail is further arranged on the base, and the length direction of the second guide rail is consistent with the moving direction of the guide block and matched with the guide block.
Further, a stop block is further arranged on the base and located between the first clamping block and the second clamping block and close to the edge of the placing groove.
Compared with the prior art, the utility model has the following beneficial effects: the special-shaped workpiece to be machined is accommodated in the placing groove arranged on the base, the first driving assembly drives the second clamping block to be close to the first clamping block after the special-shaped workpiece is placed in the placing groove, the first clamping block and the second clamping block are respectively abutted to the two opposite ends of the special-shaped workpiece and clamp the special-shaped workpiece, the second driving assembly drives the movable support to rise along the vertical direction, so that the pressing block rotates towards the direction close to the placing groove until the pressing block is abutted to the surface of the special-shaped workpiece, the special-shaped workpiece is tightly pressed in the placing groove through the pressing block, namely, the special-shaped workpiece is positioned and clamped from different positions through the first clamping block, the second clamping block and the pressing blocks, sliding of the special-shaped workpiece in the clamping and machining processes is prevented, the position of the special-shaped workpiece on the base is kept stable, the technical problem that the positioning precision of the universal clamp clamping the special-shaped workpiece is low is solved, the technical effect of improving the clamping precision and the reliability of the special-shaped workpiece is achieved, and the clamping operation is simple and convenient to use is achieved.
Drawings
FIG. 1 is a schematic view of a prior art profile work piece;
FIG. 2 is a schematic structural diagram of a fixture for machining a special-shaped workpiece according to an embodiment of the utility model;
FIG. 3 is an enlarged view of FIG. 2 at A;
FIG. 4 is a cross-sectional view of a tooling fixture for machining a profiled workpiece in accordance with one embodiment of the utility model;
fig. 5 is a schematic structural diagram of a fixture for machining a special-shaped workpiece after clamping the special-shaped workpiece according to an embodiment of the utility model.
In the above figures: 1. a base; 11. a placement groove; 12. a first groove; 13. a pressing plate; 14. a first guide rail; 15. a second groove; 16. a second guide rail; 17. a stop block; 2. a first clamping block; 21. a first V-groove; 3. a second clamping block; 31. a second V-groove; 4. a first drive assembly; 41. a cylinder; 42. a telescopic rod; 5. a compression assembly; 51. a compressing seat; 52. a connecting rod; 53. briquetting; 54. a driving rod; 55. a spring; 6. a movable bracket; 61. a connecting rod; 7. a second drive assembly; 71. a guide block; 72. a guide groove; 73. a motor; 74. a screw rod; 75. a threaded hole; 100. and (5) a special-shaped workpiece.
Detailed Description
The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.
As shown in fig. 1 to 5, the embodiment of the utility model provides a fixture for machining a special-shaped workpiece, which is used for clamping the special-shaped workpiece 100 to fix the position of the special-shaped workpiece 100, so as to ensure that the position of the special-shaped workpiece 100 is kept stable in the machining process.
Referring to fig. 2, 3 and 4, the fixture for machining the special-shaped workpiece includes a base 1, a placement groove 11 for accommodating the special-shaped workpiece 100 is provided on the base 1, a first clamping block 2 and a second clamping block 3 are provided on the base 1, the first clamping block 2 and the second clamping block 3 are respectively located at two opposite sides of the placement groove 11, the first clamping block 2 is fixed on the base 1, the second clamping block 3 is movably provided on the base 1, a first driving assembly 4 in transmission connection with the second clamping block 3 is further provided on the base 1, and the first driving assembly 4 is used for driving the second clamping block 3 to approach or separate from the first clamping block 2; the base 1 is further provided with a plurality of pressing assemblies 5, each pressing assembly 5 comprises a pressing seat 51 fixed on the base 1 and a connecting rod 52 rotationally connected with the pressing seat 51, one end of each connecting rod 52, which is far away from the pressing seat 51, is rotationally connected with a pressing block 53, one end of each pressing block 53 extends into the upper portion of the corresponding placing groove 11, one end of each pressing block 53, which is far away from the corresponding placing groove 11, is rotationally connected with a driving rod 54, the base 1 is provided with a through hole matched with the driving rod 54, the axial direction of each through hole is vertical, one end, which is far away from the corresponding pressing block 53, of each driving rod 54 penetrates through the corresponding through hole, the base 1 is further provided with a movable support 6 which can be lifted along the vertical direction and a second driving assembly 7 which is in transmission connection with the movable support 6, one end, which is far away from the pressing block 53, of each driving rod 54 is fixedly connected with the movable support 6, and when the movable support 6 is in the lower driving of the second driving assembly 7, the driving rod 54 pulls or pushes the pressing block 53 to rotate, and enables the pressing block 53 to be close to or far away from the corresponding placing groove 11.
Specifically, the operation steps of clamping the special-shaped workpiece 100 by adopting the special-shaped workpiece processing fixture provided by the embodiment are as follows: placing the special-shaped workpiece 100 to be processed into the placing groove 11, starting the first driving assembly 4 to drive the second clamping block 3 to be close to the first clamping block 2 after the special-shaped workpiece 100 is placed into the placing groove 11, enabling the first clamping block 2 and the second clamping block 3 to respectively abut against opposite ends of the special-shaped workpiece 100 and clamp the special-shaped workpiece 100, driving the movable bracket 6 to rise in the vertical direction by the second driving assembly 7 to enable the pressing block 53 to rotate in the direction close to the placing groove 11 until the pressing block 53 abuts against the surface of the special-shaped workpiece 100, so that the special-shaped workpiece 100 is pressed into the placing groove 11 through the pressing block 53, namely, the special-shaped workpiece 100 is positioned and clamped through the first clamping block 2, the second clamping block 3 and the pressing blocks 53 respectively from different positions, sliding of the special-shaped workpiece 100 in the clamping and processing processes is prevented, and the position of the special-shaped workpiece 100 on the base 1 is ensured to be kept stable; after the processing of the special-shaped workpiece 100 is completed, the second driving assembly 7 drives the movable support 6 to descend along the vertical direction so that the pressing block 53 rotates in the direction away from the placing groove 11, the pressing block 53 is separated from the special-shaped workpiece 100, the first driving assembly 4 drives the second clamping block 3 to move in the direction away from the second clamping block 3 so that the second clamping block 3 is separated from the special-shaped workpiece 100, and the processed special-shaped workpiece 100 can be taken down from the processing fixture of the special-shaped workpiece 100. The special-shaped workpiece machining fixture provided by the embodiment has the advantages that the clamping precision of the special-shaped workpiece 100 is effectively improved, the clamping is reliable, the special-shaped workpiece 100 is effectively prevented from sliding in the clamping and machining processes, and the special-shaped workpiece machining fixture is simple in clamping operation and convenient to use.
As shown in fig. 2 and 5, a first V-shaped groove 21 is formed on a surface of the first clamping block 2, which is close to the placement groove 11, and a second V-shaped groove 31 is formed on a surface of the second clamping block 3, which is close to the placement groove 11. The first V-shaped groove 21 is formed in the first clamping block 2, the second V-shaped groove 31 is formed in the second clamping block 3, and when the first clamping block 2 and the second clamping block 3 clamp the special-shaped workpiece 100, the first V-shaped groove 21 and the second V-shaped groove 31 are respectively attached to the cambered surfaces of the special-shaped workpiece 100, so that the position stability of the special-shaped workpiece 100 between the first clamping block 2 and the second clamping block 3 is improved, and unexpected movement of the special-shaped workpiece 100 between the first clamping block 2 and the second clamping block 3 is prevented.
As shown in fig. 4, the first driving assembly 4 includes an air cylinder 41 and a telescopic rod 42 disposed at an output end of the air cylinder 41, a telescopic direction of the telescopic rod 42 is consistent with a moving direction of the second clamping block 3, and an end of the telescopic rod 42 away from the air cylinder 41 is fixedly connected with the second clamping block 3. The cylinder 41 drives the telescopic rod 42 to extend or retract into the cylinder 41 to drive the second clamping block 3 to move on the base 1, so that the second clamping block 3 is driven to be close to or far away from the first clamping block 2, and the second clamping block 3 can be kept at a position for clamping the special-shaped workpiece 100.
Referring to fig. 2 and 4, the base 1 is provided with a first groove 12 for accommodating the second clamping block 3, the base 1 is further provided with a pressing plate 13, the pressing plate 13 is located at an opening of the first groove 12, and the pressing plate 13 is attached to one surface of the second clamping block 3 exposed out of the first groove 12. The first groove 12 is arranged on the base 1 to accommodate the second clamping block 3, and the pressing plate 13 is arranged at the opening of the first groove 12 to enable the second clamping block 3 to be kept in the first groove 12, so that the second clamping block 3 is kept on the base 1, and the second clamping block 3 is prevented from being separated from the base 1 when in action.
In detail, a first guide rail 14 is disposed in the first groove 12, and the length direction of the first guide rail 14 is consistent with the moving direction of the second clamping block 3 and is matched with the second clamping block 3. The first guide rail 14 is used for guiding the second clamping block 3 to move on the base 1, so that the second clamping block 3 is driven by the first driving assembly 4 to move along a preset direction and contact with the special-shaped workpiece 100.
Referring to fig. 2 and 5, a plurality of second grooves 15 are disposed on the base 1 at intervals, the second grooves 15 are disposed near the edges of the placement groove 11, and each second groove 15 is respectively provided with one pressing component 5. Will compress tightly the subassembly 5 setting is in the second recess 15, just the second recess 15 is close to the edge setting of standing groove 11, be convenient for will compress tightly the subassembly 5 install to avoid when on the base 1 compress tightly the subassembly 5 obstructs that special-shaped work piece 100 is put into or is taken out standing groove 11, convenience special-shaped work piece processing frock clamp uses.
As shown in fig. 4 and 5, the second driving assembly 7 includes a guide block 71 movably disposed on the base 1, a guide groove 72 is disposed on the guide block 71, one of opposite ends of the guide groove 72 is higher than the other end, and a connecting rod 61 matched with the guide groove 72 is disposed on the movable support 6. When the guide block 71 moves in the horizontal direction, the connecting rod 61 moves from one end of the guide groove 72 to the other end of the guide groove 72 in the guide groove 72, and because the height of one of the opposite ends of the guide groove 72 is higher than that of the other end, the connecting rod 61 slides along the guide groove 72 and simultaneously lifts in the vertical direction, and drives the movable bracket 6 to move in the vertical direction, and then drives the pressing block 53 to rotate and enable the pressing block 53 to approach or separate from the placing groove 11 through the action of the movable bracket 6, and each driving rod 54 is fixedly connected with the movable bracket 6 respectively, and the pressing block 53 in each clamping assembly synchronously rotates when the movable bracket 6 lifts, so that the operation steps of the special-shaped workpiece processing fixture are simplified and the clamping efficiency is improved.
Specifically, the driving rod 54 is respectively sleeved with a spring 55, and opposite ends of the spring 55 in the extending direction are respectively abutted against the base 1 and the movable support 6 and drive the movable support 6 to descend along the vertical direction. The elastic force provided by the spring 55 can enable the movable rod to keep abutting against the guide block 71, ensure that the movable support 6 is driven by the guide block 71 to move stably, and prevent unexpected actions of the movable support 6 from causing loosening of the pressing block 53.
As shown in fig. 3 and 4, the second driving assembly 7 further includes a motor 73 and a screw rod 74 disposed at an output end of the motor 73, the screw rod 74 is rotatably disposed on the base 1, an axial direction of the screw rod 74 is consistent with a moving direction of the guide block 71, and the guide block 71 is provided with a threaded hole 75 matched with the screw rod 74. The motor 73 drives the screw rod 74 to rotate so as to drive the guide block 71 to move along the axial direction of the screw rod 74 and drive the movable support 6 to lift along the vertical direction, and the motor 73 controls the rotation direction of the screw rod 74 to adjust the movement direction of the guide block 71, so that the movement direction of the movable support 6 is controlled to enable the pressing block 53 to be close to the placing groove 11 to press the special-shaped workpiece 100 or enable the pressing block 53 to be far away from the special-shaped workpiece 100, and the special-shaped workpiece processing fixture is convenient to use.
In detail, the base 1 is further provided with a second guide rail 16, and the length direction of the second guide rail 16 is consistent with the moving direction of the guide block 71 and is matched with the guide block 71. The second guide rail 16 matched with the guide block 71 is arranged on the base 1 to limit the moving direction of the guide block 71, and prevent the guide block 71 from rotating around the axial direction of the screw rod 74, so that the stability of the guide block 71 during moving is improved.
As shown in fig. 2 and 5, the base 1 is further provided with a stop 17, and the stop 17 is located between the first clamping block 2 and the second clamping block 3 and is disposed near the edge of the placement groove 11. The stop block 17 is used for matching the first clamping block 2 to position the special-shaped workpiece 100 to be processed, the special-shaped workpiece 100 is respectively attached to the first clamping block 2 and the stop block 17 after being placed in the placing groove 11, namely, the special-shaped workpiece 100 is positioned from two different directions to improve positioning accuracy, and the special-shaped workpiece 100 is prevented from being separated from the first clamping block 2 and the second clamping block 3 in the clamping process.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420644544.0U CN222021139U (en) | 2024-03-29 | 2024-03-29 | A tooling fixture for processing special-shaped workpieces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420644544.0U CN222021139U (en) | 2024-03-29 | 2024-03-29 | A tooling fixture for processing special-shaped workpieces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222021139U true CN222021139U (en) | 2024-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420644544.0U Active CN222021139U (en) | 2024-03-29 | 2024-03-29 | A tooling fixture for processing special-shaped workpieces |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222021139U (en) |
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- 2024-03-29 CN CN202420644544.0U patent/CN222021139U/en active Active
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