Positioning clamp assisting in sliding fork machining

Abstract

The utility model discloses a positioning clamp assisting in sliding fork machining, and relates to the technical field of sliding fork positioning clamps, the positioning clamp comprises a base, the top surface of the base is movably connected with a working table, the top surface of the working table is fixedly connected with a fixing block, the fixing block is provided with a movable groove, and the movable groove is provided with a clamping groove. The inner wall of the movable groove is rotationally connected with a two-way threaded rod. The cylinder is started to drive the abutting plate at one end to move towards the direction of the sleeve, one end of the sleeve is extruded and abutted, so that the sleeve and the sliding fork are more stable during machining, and after the sleeve and the sliding fork are extruded and abutted, the two-way threaded rod is rotated to drive the moving blocks to get close to each other in the moving groove, so that the sleeve and the sliding fork are clamped. And then the clamping blocks are driven by the moving blocks to get close to each other to clamp and fix the sleeve, so that the sleeve and the sliding fork are stably positioned in the machining process, machining errors caused by displacement are avoided, and the machining stability of the sleeve and the sliding fork is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sliding fork positioning fixtures, in particular to a positioning fixture for assisting sliding fork processing. Background Art

[0002] Among automobile parts, universal joint fork sliding sleeve is mainly used for steering column torque transmission. At present, the automobile steering column universal joint fork sliding sleeve for torque transmission produced in China is usually a combination of sheet metal stamping or forgings and precision castings connected by welding. The existing technology has the following problems:

[0003] Because the existing sliding fork is relatively unstable during the clamping process, it is easy to cause the sliding fork to be inaccurately positioned, and processing errors are often caused due to inaccurate positioning, resulting in damage to parts. Utility Model Content

[0004] The utility model provides a positioning fixture for assisting the processing of a sliding fork, so as to solve the problems raised in the above-mentioned background technology.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0006] The top of the support frame is fixedly connected with the support frame, and the top of the support frame is fixedly connected with the cylinder pressure plate, and the output end of the cylinder is fixedly connected with a clamping plate, and the outer wall of the clamping plate is symmetrically connected with the outer wall of the clamping plate.

[0007] The above technical solution is adopted, in which the two-way threaded rod, the moving block and the clamping block are coordinated so that the clamping blocks are close to each other to clamp and fix the sleeve, thereby improving the stability of the sleeve and the sliding fork during processing.

[0008] A further improvement of the technical solution of the utility model is that: a sliding groove is provided on the top surface of the support seat, the inner wall of the sliding groove is slidably connected to a support block, the outer wall of the support block is provided with a slot, the inner wall of the slot is movably inserted with an insertion rod, and one end of the insertion rod passes through the inner wall of the sliding groove and extends to the outside.

[0009] By adopting the above technical solution, the height of the support block can be adjusted according to the size of the sliding fork through the cooperation of the insertion rod, the slot and the support block.

[0010] A further improvement of the technical solution of the utility model is that a rotation groove is opened on the top surface of the base, the inner wall of the rotation groove is rotatably connected to a rotation rod 1, the top end of the rotation rod 1 is fixedly connected to the bottom surface of the workbench, and the outer wall of the rotation rod 1 is fixedly connected to a bevel gear 1.

[0011] By adopting the above technical solution, the workbench can be driven to rotate and adjust by rotating the rotating rod 1, and at the same time plays a role of supporting the workbench.

[0012] A further improvement of the technical solution of the utility model is that a rotating hole is opened on the inner wall of the rotating groove, and a rotating rod 2 is rotatably connected to the inner wall of the rotating hole. A bevel gear 2 is fixedly connected to one end of the rotating rod 2, and the outer surface of the bevel gear 1 is meshingly connected to the outer surface of the rotating rod 2.

[0013] The above technical solution is adopted, in which the rotation rod 1 is conveniently rotated through the cooperation of the bevel gear 1 and the bevel gear 2.

[0014] A further improvement of the technical solution of the utility model is that a support rod is fixedly connected to the side of the bottom surface of the workbench away from the rotating rod, a circular groove is opened on the side of the top surface of the base away from the rotating groove, and the bottom end of the support rod is movably inserted in the circular groove.

[0015] The above technical solution is adopted, in which the workbench is further supported by the support rods, so that the workbench is more stable when in use.

[0016] A further improvement of the technical solution of the utility model is that: the bottom end of the support rod is movably connected to a pulley, and the bottom end of the pulley is movably connected to the inner wall of the circular groove.

[0017] The above technical solution is adopted, in which the friction force is reduced when the workbench is rotated to adjust the angle by sliding in the circular groove.

[0018] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0019] The utility model provides a positioning fixture for assisting the processing of a sliding fork, which places a sleeve on the top surface of a fixed block, and simultaneously inserts the sliding fork at one end of the sleeve into a positioning groove on one side of the fixed plate, and starts a cylinder to drive a clamping plate at one end to move toward the sleeve, and squeezes and presses one end of the sleeve, so that the sleeve and the sliding fork are more stable during processing. After the sleeve and the sliding fork are squeezed and pressed, the moving blocks are driven to approach each other in the movable groove by rotating a bidirectional threaded rod, and then the clamping blocks are driven to approach each other by the moving blocks to clamp and fix the sleeve, so that the sleeve and the sliding fork are stably positioned during processing, and processing errors caused by displacement are avoided, and the stability of the sleeve and the sliding fork during processing is further improved, thereby improving the processing quality.

[0020] The utility model provides a positioning fixture for assisting in the processing of a sliding fork, which drives a second bevel gear to rotate by rotating a second rotating rod, and drives a first rotating rod to rotate by the cooperation of the second bevel gear and the first bevel gear, thereby driving a workbench to rotate for angle adjustment, so that the angle can be adjusted conveniently when processing a sleeve and a sliding fork. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the cross-sectional structure of the fixing block of the utility model;

[0023] Figure 3 This is a schematic diagram of the cross-sectional structure of the base of the utility model;

[0024] Figure 4 It is a schematic diagram of the cross-sectional structure of the support seat of the utility model.

[0025] In the figure: 1. base; 11. rotating groove; 12. rotating rod 1; 13. bevel gear 1; 14. rotating hole; 15. rotating rod 2; 16. bevel gear 2; 17. circular groove; 2. workbench; 21. support seat; 211. slide groove; 212. support block; 213. slot; 214. insertion rod; 22. support plate; 23. support rod; 24. pulley; 3. fixed block; 31. movable groove; 32. two-way threaded rod; 33. moving block; 34. clamping block; 4. fixed plate; 41. positioning groove; 5. sleeve; 6. sliding fork; 7. cylinder; 71. tightening plate. DETAILED DESCRIPTION

[0026] The present invention is further described in detail below in conjunction with the embodiments: Example 1

[0027] like Figure 1-4As shown, the utility model provides a positioning fixture for assisting sliding fork processing, including a base 1, a workbench 2 is movably connected to the top surface of the base 1, a fixed block 3 is fixedly connected to the top surface of the workbench 2, a movable groove 31 is opened on the fixed block 3, a bidirectional threaded rod 32 is rotatably connected to the inner wall of the movable groove 31, a moving block 33 is symmetrically connected to the outer wall of the bidirectional threaded rod 32, a clamping block 34 is fixedly connected to the top surface of the moving block 33, a support seat 21 is fixedly connected to the top surface of the workbench 2 away from the fixed block 3, and the workbench 2 is fixedly connected to the top surface of the workbench 2. A fixing plate 4 is fixedly connected to the side of the top surface away from the support seat 21, and a positioning groove 41 is opened on the outer wall of one side of the fixing plate 4. A sleeve 5 is movably connected to the top surface of the fixing block 3, and a sliding fork 6 is fixedly connected to one end of the sleeve 5, and one end of the sliding fork 6 is movably inserted in the positioning groove 41. A supporting plate 22 is fixedly connected to the side of the top surface of the workbench 2 away from the fixed block 3, and a cylinder 7 is fixedly connected to the top of the support plate 22. A clamping plate 71 is fixedly connected to the output end of the cylinder 7, and one side outer wall of the clamping plate 71 is movably connected to one end of the sleeve 5.

[0028] In this embodiment, the sleeve 5 is placed on the top surface of the fixed block 3, and the sliding fork 6 at one end of the sleeve 5 is inserted into the positioning groove 41 on one side of the fixed plate 4, and the cylinder 7 is started to drive the clamping plate 71 at one end to move toward the sleeve 5, and one end of the sleeve 5 is squeezed and pressed, so that the sleeve 5 and the sliding fork 6 are more stable during processing. After the sleeve 5 and the sliding fork 6 are squeezed and pressed, the moving block 33 is driven to approach each other in the movable groove 31 by rotating the two-way threaded rod 32, and then the clamping block 34 is driven to approach each other by the moving block 33 to clamp and fix the sleeve 5, so that the sleeve 5 and the sliding fork 6 can be stably positioned during the processing, further improving the stability of the sleeve 5 and the sliding fork 6 during processing, thereby improving the processing quality. Example 2

[0029] like Figure 1-4 As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, a slide groove 211 is provided on the top surface of the support seat 21, and the inner wall of the slide groove 211 is slidably connected to the support block 212, and the outer wall of the support block 212 is provided with a slot 213, and the inner wall of the slot 213 is movably inserted with an insertion rod 214, and one end of the insertion rod 214 passes through the inner wall of the slide groove 211 and extends to the outside.

[0030] In this embodiment, by pulling the insertion rod 214 out of the slot 213, and then pulling the support block 212 to reach the supporting height for the sliding fork 6, the insertion rod 214 is pushed to be inserted into the slot 213 to limit and fix the support block 212, so as to facilitate adjusting the height of the support block 212 according to the size of the sliding fork 6. Example 3

[0031] like Figure 1-4As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, a rotating groove 11 is provided on the top surface of the base 1, and a rotating rod 12 is rotatably connected to the inner wall of the rotating groove 11, and the top of the rotating rod 12 is fixedly connected to the bottom surface of the workbench 2, and the outer wall of the rotating rod 12 is fixedly connected to a bevel gear 13. A rotating hole 14 is provided on the inner wall of the rotating groove 11, and a rotating rod 2 15 is rotatably connected to the inner wall of the rotating hole 14, and one end of the rotating rod 2 15 is fixedly connected to a bevel gear 2 16, and the outer surface of the bevel gear 13 is meshed with the outer surface of the rotating rod 2 15. A support rod 23 is fixedly connected to the side of the bottom surface of the workbench 2 away from the rotating rod 12, and a circular groove 17 is provided on the top surface of the base 1 away from the rotating groove 11. The bottom end of the support rod 23 is movably inserted in the circular groove 17, and the bottom end of the support rod 23 is movably connected to a pulley 24, and the bottom end of the pulley 24 is movably connected to the inner wall of the circular groove 17.

[0032] In this embodiment, the bevel gear 2 16 is driven to rotate by rotating the rotating rod 2 15, and the rotating rod 12 is driven to rotate through the cooperation of the bevel gear 2 16 and the bevel gear 1 13, and then the workbench 2 can be driven to rotate for angle adjustment, so that the angle can be adjusted easily when processing the sleeve 5 and the sliding fork 6.

[0033] The following is a detailed description of the working principle of the positioning fixture for auxiliary sliding fork processing.

[0034] like Figure 1-4 As shown, when in use, the sleeve 5 is placed on the top surface of the fixed block 3, and the sliding fork 6 at one end of the sleeve 5 is inserted into the positioning groove 41 on one side of the fixed plate 4, and the insertion rod 214 is pulled out of the slot 213, and then the support block 212 is pulled to reach the supporting height of the sliding fork 6, and the insertion rod 214 is pushed to be inserted into the slot 213 to limit and fix the support block 212, so that the height of the support block 212 can be adjusted according to the size of the sliding fork 6. By starting the cylinder 7, the clamping plate 71 at one end is driven to move toward the sleeve 5, and one end of the sleeve 5 is squeezed and pressed, so that the sleeve 5 and the sliding fork 6 are more closely connected during processing. Stable. When the sleeve 5 and the sliding fork 6 are squeezed and pressed tightly, the moving block 33 is driven to approach each other in the movable groove 31 by rotating the two-way threaded rod 32, and then the clamping block 34 is driven to approach each other by the moving block 33 to clamp and fix the sleeve 5, thereby further improving the stability of the sleeve 5 and the sliding fork 6 during processing, thereby improving the processing quality. The bevel gear 2 16 is driven to rotate by rotating the rotating rod 2 15, and the rotating rod 1 12 is driven to rotate through the cooperation of the bevel gear 2 16 and the bevel gear 1 13, and then the workbench 2 can be driven to rotate for angle adjustment, so that it is convenient to adjust the angle when processing the sleeve 5 and the sliding fork 6.

[0035] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A positioning fixture for assisting in the processing of a sliding fork, comprising a base (1), characterized in that: The top surface of the base (1) is movably connected to a workbench (2), the top surface of the workbench (2) is fixedly connected to a fixed block (3), the fixed block (3) is provided with a movable groove (31), the inner wall of the movable groove (31) is rotatably connected to a bidirectional threaded rod (32), the outer wall of the bidirectional threaded rod (32) is symmetrically threadedly connected to a moving block (33), the top surface of the moving block (33) is fixedly connected to a clamping block (34), the top surface of the workbench (2) is fixedly connected to a support seat (21) on a side away from the fixed block (3), and the top surface of the workbench (2) is fixedly connected to a support seat (21) on a side away from the support seat (21). A fixing plate (4), one side outer wall of the fixing plate (4) is provided with a positioning groove (41), the top surface of the fixing block (3) is movably connected to a sleeve (5), one end of the sleeve (5) is fixedly connected to a sliding fork (6), one end of the sliding fork (6) is movably inserted into the positioning groove (41), the top surface of the workbench (2) is fixedly connected to a support plate (22) on a side away from the fixing block (3), the top end of the support plate (22) is fixedly connected to a cylinder (7), the output end of the cylinder (7) is fixedly connected to a clamping plate (71), and one side outer wall of the clamping plate (71) is movably connected to one end of the sleeve (5).

2. A positioning fixture for assisting the processing of a sliding fork according to claim 1, characterized in that: A slide groove (211) is provided on the top surface of the support seat (21), the inner wall of the slide groove (211) is slidably connected to a support block (212), the outer wall of the support block (212) is provided with a slot (213), an insertion rod (214) is movably inserted into the inner wall of the slot (213), and one end of the insertion rod (214) passes through the inner wall of the slide groove (211) and extends to the outside.

3. A positioning fixture for assisting the processing of a sliding fork according to claim 1, characterized in that: A rotating groove (11) is provided on the top surface of the base (1), and a rotating rod (12) is rotatably connected to the inner wall of the rotating groove (11), the top end of the rotating rod (12) is fixedly connected to the bottom surface of the workbench (2), and a bevel gear (13) is fixedly connected to the outer wall of the rotating rod (12).

4. A positioning fixture for assisting the processing of a sliding fork according to claim 3, characterized in that: The inner wall of the rotating groove (11) is provided with a rotating hole (14), the inner wall of the rotating hole (14) is rotatably connected to a second rotating rod (15), one end of the second rotating rod (15) is fixedly connected to a second bevel gear (16), and the outer surface of the first bevel gear (13) is meshingly connected to the outer surface of the second rotating rod (15).

5. The positioning fixture for assisting the processing of a sliding fork according to claim 3, characterized in that: A support rod (23) is fixedly connected to the side of the bottom surface of the workbench (2) away from the rotating rod (12), and a circular groove (17) is formed on the side of the top surface of the base (1) away from the rotating groove (11), and the bottom end of the support rod (23) is movably inserted into the circular groove (17).

6. A positioning fixture for assisting the processing of a sliding fork according to claim 5, characterized in that: The bottom end of the support rod (23) is movably connected to a pulley (24), and the bottom end of the pulley (24) is movably connected to the inner wall of the circular groove (17).

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