CN220179253U

CN220179253U - Workpiece anti-deflection mechanism for machining

Info

Publication number: CN220179253U
Application number: CN202321233358.XU
Authority: CN
Inventors: 吴志慧; 潘勇; 阮小红; 何霞; 吕冲; 夏宜
Original assignee: Chongqing Mechanical Senior Technician School Chongqing Mechanical Technician College
Current assignee: Chongqing Mechanical Senior Technician School Chongqing Mechanical Technician College
Priority date: 2023-05-19
Filing date: 2023-05-19
Publication date: 2023-12-15
Anticipated expiration: 2033-05-19

Abstract

The utility model discloses a workpiece anti-deflection mechanism for machining, which relates to the technical field of machining and comprises a workbench, wherein a rotating shaft is rotatably arranged on the workbench, a transmission plate is sleeved on the rotating shaft, two switching rods are rotatably arranged on the transmission plate, sliding blocks are rotatably arranged on the two switching rods, clamping plates are arranged on the two sliding blocks, and the two clamping plates are slidably arranged on the workbench. According to the utility model, through the arrangement of the clamping plate, the transmission plate, the gear and other structures, when the workpiece on the workbench is required to be clamped and fixed, the operator steps down the driving plate by feet, and the driving plate drives the clamping plate to move towards the middle, so that the workpiece can be clamped and fixed in the middle of the workbench rapidly.

Description

Workpiece anti-deflection mechanism for machining

Technical Field

The utility model relates to the technical field of machining, in particular to a workpiece anti-deflection mechanism for machining.

Background

The machining refers to a process of changing the external dimension or performance of a workpiece by a mechanical device, a series of processing is carried out on various blanks to remove redundant raw materials on the blanks, the blanks are formed, the production process of the machine refers to the whole process of manufacturing products from raw materials (or semi-finished products), and the production process of the machine comprises the steps of transporting and storing the raw materials, preparing the production, manufacturing blanks, processing and heat treating parts, assembling and debugging the products, painting and packaging the products and the like.

The difference in the processing mode can be divided into cutting processing and pressure processing in the prior art, when the machining is used for processing a workpiece, the workpiece is required to be clamped and fixed firstly and then is processed by a driving machine, but the existing workpiece anti-deflection mechanism for machining cannot be used for accurate clamping and positioning, so that sliding deflection is easy to occur when the workpiece is processed, the workpiece is damaged, defective products of the workpiece are increased, the damaged workpiece is required to be processed again, the production cost is increased, and therefore, the workpiece anti-deflection mechanism for machining is required to meet the demands of people.

Disclosure of Invention

The utility model aims to provide a workpiece anti-offset mechanism for machining, which aims to solve the problem that the quality of a machined product is unqualified because the traditional clamping and positioning device is easy to offset when machining after fixing a workpiece in the prior machining in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a work piece skew mechanism is prevented to machining usefulness, includes the workstation, rotate on the workstation and install the axis of rotation, cup jointed the drive plate in the axis of rotation, rotate on the drive plate and install two transfer poles, all rotate on two transfer poles and install the sliding block, all install the grip block on two sliding blocks, two grip blocks all slidable mounting is on the workstation.

Preferably, the clamping plate at one side is rotatably provided with a first rotating block, the first rotating block is rotatably provided with a second rotating block, the second rotating block is rotatably provided with a third rotating block, and the third rotating block is in contact with the workpiece.

Preferably, the workbench is provided with a supporting plate, the supporting plate is provided with a plurality of telescopic rods, the telescopic rods are provided with driving plates, the driving plates are rotatably provided with connecting rods, the connecting rods are rotatably provided with rotating shafts, the rotating shafts are provided with toothed plates, the toothed plates are meshed with gears, and the gears are arranged on the rotating shafts.

Preferably, the toothed plate is provided with a T-shaped groove, a T-shaped block is slidably arranged in the T-shaped groove, a limiting rod is arranged on the T-shaped block, and the limiting rod is arranged at the bottom side of the workbench.

Preferably, the telescopic rod is sleeved with a reset spring, one end of the reset spring is arranged on the supporting plate, and the other end of the reset spring is arranged on the driving plate.

Preferably, a sliding groove is formed in the workbench, and the sliding block is slidably mounted in the sliding groove.

Preferably, the connecting rod is provided with a rotary hole, and the rotary shaft is rotatably arranged in the rotary hole.

The beneficial effects of the utility model are as follows:

according to the utility model, through the arrangement of the clamping plate, the transmission plate, the driving plate, the gear and other structures, when the workpiece on the workbench is required to be clamped and fixed, a worker steps down the driving plate by feet, the driving plate drives the connecting rod to rotate, the connecting rod drives the rotating shaft to move, the rotating shaft drives the toothed plate to move, the toothed plate drives the gear to rotate, the gear drives the rotating shaft to rotate, the rotating shaft drives the transmission plate to rotate, the transmission plate drives the transfer rod to rotate, the transfer rod drives the sliding block to move, and the sliding block drives the clamping plate to move towards the middle, so that the workpiece can be clamped and fixed in the middle of the workbench rapidly.

According to the utility model, through the arrangement of the structures such as the first rotating block, the second rotating block and the third rotating block, when the clamping plate moves towards the middle, the third rotating block is contacted with the workpiece, after the third rotating block is contacted with the workpiece, the third rotating block rotates on the second rotating block, the second rotating block rotates on the first rotating block, and the first rotating block rotates on the clamping plate, so that the contact area with the workpiece can be increased, the stability of the workpiece can be further increased, and the workpiece clamping device can also be suitable for clamping and fixing the workpiece with any shape.

Drawings

FIG. 1 is a schematic diagram of a mechanism for preventing a workpiece from being offset in machining according to the present utility model;

FIG. 2 is a schematic diagram of a connection structure of a clamping plate, a toothed plate and a driving plate of a workpiece anti-offset mechanism for machining according to the present utility model;

FIG. 3 is a schematic diagram of a connection structure of a driving plate, a toothed plate and a gear of a workpiece anti-offset mechanism for machining according to the present utility model;

fig. 4 is a schematic diagram of a connection structure of a workbench, a clamping plate and a third rotating block of a workpiece anti-offset mechanism for machining according to the present utility model.

In the figure: 1. a work table; 2. a clamping plate; 3. a support plate; 4. a telescopic rod; 5. a driving plate; 6. a connecting rod; 7. a toothed plate; 8. a gear; 9. a rotating shaft; 10. a drive plate; 11. a transfer rod; 12. a sliding block; 13. a chute; 14. a limit rod; 15. a T-shaped block; 16. a T-shaped groove; 17. a rotation shaft; 18. a rotation hole; 19. a return spring; 20. a first rotating block; 21. a second rotating block; 22. and a third rotating block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, a workpiece anti-offset mechanism for machining comprises a workbench 1, a rotating shaft 9 is rotatably mounted on the workbench 1, a transmission plate 10 is sleeved on the rotating shaft 9, two transfer rods 11 are rotatably mounted on the transmission plate 10, sliding blocks 12 are rotatably mounted on the two transfer rods 11, clamping plates 2 are mounted on the two sliding blocks 12, the two clamping plates 2 are slidably mounted on the workbench 1, the transmission plate 10 is rotatably driven to rotate through rotation of the rotating shaft 9, the transmission plate 10 drives the transfer rods 11 to rotate, the transfer rods 11 drive the sliding blocks 12 to move, and the sliding blocks 12 drive the clamping plates 2 to move towards the middle, so that workpieces can be rapidly clamped and fixed.

Referring to fig. 4, in the present utility model, a first rotating block 20 is rotatably installed on a clamping plate 2 located at one side, a second rotating block 21 is rotatably installed on the first rotating block 20, a third rotating block 22 is rotatably installed on the second rotating block 21, the third rotating block 22 contacts with a workpiece, the second rotating block 21 rotates on the second rotating block 21 through the third rotating block 22, and the first rotating block 20 rotates on the clamping plate 2, so that the contact area between the third rotating block 22 and the workpiece can be increased, the stability of clamping the workpiece is increased, and simultaneously, the workpiece with any shape can be clamped and fixed.

Referring to fig. 3, in the present utility model, a support plate 3 is installed on a workbench 1, a plurality of telescopic rods 4 are installed on the support plate 3, a driving plate 5 is installed on the telescopic rods 4, a connecting rod 6 is rotatably installed on the driving plate 5, a rotating shaft 17 is rotatably installed on the connecting rod 6, a toothed plate 7 is installed on the rotating shaft 17, a gear 8 is meshed on the toothed plate 7, the gear 8 is installed on a rotating shaft 9, the connecting rod 6 is driven to rotate by the driving plate 5, the toothed plate 7 is driven to move by the connecting rod 6, and the gear 8 is driven to rotate by the toothed plate 7, so that power is conveniently provided for the middle movement of a clamping plate 2.

Referring to fig. 3, in the present utility model, a T-shaped groove 16 is formed in the toothed plate 7, a T-shaped block 15 is slidably mounted in the T-shaped groove 16, a stop lever 14 is mounted on the T-shaped block 15, the stop lever 14 is mounted at the bottom side of the table 1, and the T-shaped block 15 on the stop lever 14 slides in the T-shaped groove 16 on the toothed plate 7, so that the toothed plate 7 can be meshed with the gear 8 all the time when moving.

Referring to fig. 1 and 3, in the present utility model, a return spring 19 is sleeved on the telescopic rod 4, one end of the return spring 19 is mounted on the support plate 3, and the other end of the return spring 19 is mounted on the driving plate 5, so that after the driving plate 5 is released, the clamping plate 2 can be driven to move to two sides to release a workpiece under the action of the return spring 19 by using the restoring force of the return spring 19.

Referring to fig. 2, in the utility model, a chute 13 is formed on a workbench 1, a sliding block 12 is slidably mounted in the chute 13, and the sliding block 12 slides in the chute 13 on the workbench 1, so that clamping plates 2 on two sides can accurately clamp and fix a workpiece.

Referring to fig. 3, in the present utility model, a rotation hole 18 is formed in the connection rod 6, and a rotation shaft 17 is rotatably installed in the rotation hole 18, and the rotation shaft 17 rotates in the rotation hole 18 on the connection rod 6, thereby facilitating the conversion of the vertical movement of the driving plate 5 into the horizontal movement of the toothed plate 7.

The working principle of the utility model is as follows:

when the workpiece on the workbench 1 needs to be clamped and fixed, a worker steps down the driving plate 5 by feet, the driving plate 5 drives the telescopic rod 4 and the reset spring 19 to move downwards, meanwhile, the driving plate 5 drives the connecting rod 6 to rotate, the connecting rod 6 drives the rotary hole 18 to rotate, the rotary hole 18 drives the rotary shaft 17 to move, the rotary shaft 17 drives the toothed plate 7 on the limiting rod 14 to move, the toothed plate 7 drives the gear 8 to rotate, the gear 8 drives the rotary shaft 9 to rotate, the rotary shaft 9 drives the transmission plate 10 to rotate, the transmission plate 10 drives the rotating rod 11 to rotate, the rotating rod 11 drives the sliding block 12 to move in the chute 13 on the workbench 1, and the sliding block 12 drives the clamping plate 2 to move towards the middle, so that the workpiece can be clamped and fixed in the middle of the workbench 1 rapidly.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a work piece skew prevention mechanism that machining used, includes workstation (1), its characterized in that: the rotary table is characterized in that a rotary shaft (9) is rotatably arranged on the workbench (1), a transmission plate (10) is sleeved on the rotary shaft (9), two transfer rods (11) are rotatably arranged on the transmission plate (10), sliding blocks (12) are rotatably arranged on the two transfer rods (11), clamping plates (2) are arranged on the two sliding blocks (12), and the two clamping plates (2) are slidably arranged on the workbench (1).

2. A workpiece anti-migration mechanism for machining according to claim 1, wherein: the clamping plate (2) positioned on one side is rotatably provided with a first rotating block (20), the first rotating block (20) is rotatably provided with a second rotating block (21), the second rotating block (21) is rotatably provided with a third rotating block (22), and the third rotating block (22) is contacted with a workpiece.

3. A workpiece anti-migration mechanism for machining according to claim 1, wherein: install backup pad (3) on workstation (1), install a plurality of telescopic links (4) on backup pad (3), install driving plate (5) on a plurality of telescopic links (4), rotate on driving plate (5) and install connecting rod (6), rotate on connecting rod (6) and install rotation axis (17), install pinion rack (7) on rotation axis (17), the meshing has gear (8) on pinion rack (7), and gear (8) are installed on axis of rotation (9).

4. A workpiece anti-migration mechanism for machining according to claim 3, wherein: t-shaped grooves (16) are formed in the toothed plate (7), T-shaped blocks (15) are slidably mounted in the T-shaped grooves (16), limiting rods (14) are mounted on the T-shaped blocks (15), and the limiting rods (14) are mounted on the bottom side of the workbench (1).

5. A workpiece anti-migration mechanism for machining according to claim 3, wherein: the telescopic rod (4) is sleeved with a reset spring (19), one end of the reset spring (19) is arranged on the supporting plate (3), and the other end of the reset spring (19) is arranged on the driving plate (5).

6. A workpiece anti-migration mechanism for machining according to claim 1, wherein: a sliding groove (13) is formed in the workbench (1), and the sliding block (12) is slidably arranged in the sliding groove (13).

7. A workpiece anti-migration mechanism for machining according to claim 3, wherein: the connecting rod (6) is provided with a rotary hole (18), and the rotary shaft (17) is rotatably arranged in the rotary hole (18).