A sliding fork drilling positioning tool
By designing the fork ear positioning mechanism and the fork body fixing mechanism, the positioning problem of the sliding fork during drilling is solved, the stable clamping and convenient disengagement of the sliding fork are achieved, the processing requirements of sliding forks of different sizes are adapted, and the drilling accuracy and efficiency are improved.
Patent Information
- Application Number
- CN202310173052.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-02-25
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2043-02-25
AI Technical Summary
The irregular shape of the sliding fork makes it difficult to position it during drilling, and the existing technology lacks effective positioning tooling.
A sliding fork drilling positioning tooling was designed, which included a fork ear positioning mechanism and a fork body fixing mechanism. The cylinder was used to drive the baffle and the clamping plate to clamp the sliding fork. Combined with the adjustable clamping plate distance and pad rod height adjustment, it could adapt to the positioning requirements of sliding forks of different sizes.
The stable positioning and convenient disengagement of the sliding fork are achieved, which adapts to the processing requirements of sliding forks of different sizes and improves the accuracy and efficiency of drilling.
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Figure CN116141047B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the field of transmission shaft accessory processing, in particular to a sliding fork drilling and positioning tool. Background Art
[0002] The drive shaft is a high-speed, low-support rotating body, a crucial component in transmitting power within a vehicle's transmission system. Working with the transmission and drive axle, it transmits engine power to the wheels, generating driving force. A sliding fork is mounted on the drive shaft, connected to the transmission's output end via a connector. The fork and the transmission's output drive end slide back and forth relative to each other along the axial direction, ensuring that no motion interference occurs despite the frequent changes in the relative position of the drive axle and transmission.
[0003] A sliding fork, referring to Figure 1 , including a fork body 41 and a fork ear 42 symmetrically arranged at the same end of the fork body 41. It is necessary to drill a through hole 321 on the fork ear 42, and at the same time, it is necessary to drill an inner hole 411 at the end of the fork body 41 away from the fork ear 42. Therefore, when processing the sliding fork 4, it is necessary to drill three holes in the sliding fork 4. Due to the irregular shape of the sliding fork 4, it is not convenient to position the sliding fork 4 when drilling. Therefore, a positioning tool that is convenient for positioning the sliding fork 4 is an urgent problem to be solved. Summary of the Invention
[0004] In order to facilitate the positioning of a sliding fork, the present invention provides a sliding fork drilling and positioning tool.
[0005] The present invention provides a sliding fork drilling and positioning tool that adopts the following technical solutions:
[0006] A sliding fork drilling positioning tool comprises a workbench, one end of the workbench is provided with a fork ear positioning mechanism, and the other end is slidably connected to a fork body fixing mechanism; the fork ear positioning mechanism comprises a positioning plate, two clamping plates of identical structure are provided on the positioning plate, and a V-shaped groove for clamping the fork ear is provided in the middle of the clamping plate; the fork body fixing mechanism comprises a support plate provided on the workbench, the top of the support plate is slidably connected to a baffle, and the middle of the baffle is provided with a step groove for the fork body end to be inserted, and a driving component for driving the baffle to slide back and forth relative to the positioning plate is provided on the support plate.
[0007] By adopting the above technical solution, when fixing the sliding fork, the fork ear of the sliding fork is inserted into the card plate, the fork body is inserted into the through hole of the baffle, and the driving component drives the baffle to move toward the card plate, so that the sliding fork can be fixed between the card plate and the baffle, which makes it easy to position the sliding fork.
[0008] Optionally, the driving assembly comprises air cylinders symmetrically arranged on both sides of the support plate, cylinder bodies of the air cylinders are fixedly connected to the support plate, piston rods of the air cylinders are hingedly connected with connecting rods, middle portions of the connecting rods are hingedly connected with a connecting rod, one end of the connecting rod away from the connecting rods is fixedly connected to the support plate, both ends of the connecting rods are respectively provided with limiting grooves one and two, the piston rod of the air cylinder is hingedly connected with a limiting block one, the limiting block one is slidingly connected in the limiting groove one, the baffle is fixedly connected with a push rod, one end of the push rod is fixed to the baffle, the other end of the push rod is rotatably connected with a limiting block two, the limiting block two is slidingly connected in the limiting groove two.
[0009] By adopting the above technical scheme, when the slide fork is positioned, the piston rod of the air cylinder is elongated, the connecting rod is pushed to move forward close to the limiting groove two, the connecting rod is further pushed to rotate around the hinge connection with the connecting rod, one end of the connecting rod close to the push rod moves to the direction of the push rod, the push rod pushes the baffle to move to the direction of the positioning plate, and the slide fork can be automatically clamped and positioned between the positioning plate and the baffle.
[0010] Optionally, a sliding groove is formed in the top of the support plate, and a sliding block is fixedly connected to the bottom of the baffle and slidingly connected in the sliding groove.
[0011] By adopting the above technical scheme, when the piston rod of the air cylinder is elongated or retracted, the sliding block is moved in the sliding groove, so that the baffle is more stable during movement.
[0012] Optionally, a pair of wires are rotatably connected to the positioning plate, the wires are arranged horizontally in the axial direction, and the clamping plates are threadedly connected to positions close to both ends of the wires.
[0013] By adopting the above technical scheme, rotating the wires can drive the two clamping plates to move relative to each other or away from each other, that is, the distance between the two clamping plates can be adjusted, and different sizes of slide forks can be fixed.
[0014] Optionally, a T-shaped sliding block is fixedly connected to the clamping plate, and a T-shaped sliding groove is formed in the positioning plate, and the T-shaped sliding block is slidingly connected in the T-shaped sliding groove.
[0015] By adopting the above technical scheme, the T-shaped sliding block slides in the T-shaped sliding groove, so that the clamping plate is more stable during sliding.
[0016] Optionally, a material lifting column is slidingly connected to the middle portion of the positioning plate, the material lifting column is arranged horizontally in the axial direction, an end of the material lifting column extends between the two clamping plates and is fixedly connected with a top plate, a return spring is sleeved on the material lifting column, one end of the return spring is fixedly connected to the positioning plate, and the other end of the return spring is fixedly connected to the top plate.
[0017] By adopting the above technical solution, when the fork ear is inserted into the clamping plate, the fork ear presses against the top plate to compress the reset spring. After the drilling is completed, the pressure on the fork ear disappears, and the tension of the reset spring pushes the fork body to move outward, making it easier for the fork ear to detach from the clamping plate.
[0018] Optionally, a plurality of step grooves are provided in the middle portion of the baffle, each step groove is concentrically arranged, and each step groove has a different diameter.
[0019] By adopting the above technical solution, the step groove is used to plug and limit the end of the fork body, and the three step grooves can be used for plugging forks of different diameters.
[0020] Optionally, a pad rod is provided on one side of the support plate close to the positioning plate, and a slot is provided in the middle of the top of the pad rod, and the slot is used to support and limit the fork body.
[0021] By adopting the above technical solution, the pad rod is used to abut against the side wall of the fork body, and the slot is used to support and limit the fork body, so that the sliding fork is fixed more stably.
[0022] Optionally, the pad rod is rotatably connected to a positioning column, a worm wheel is threadedly connected to the positioning column, and the worm wheel is sleeved outside the positioning column, a worm is engaged with the worm wheel, and a protective cover is provided outside the worm wheel and the worm gear, and the protective cover is fixedly connected to the support plate, and guide holes are opened near the two ends of the pad rod, and two guide columns are fixedly connected to the top of the support plate, the axial direction of the guide column is vertically set, and the guide column is slidably connected to the guide hole of the pad rod.
[0023] By adopting the above technical solution, when the sliding fork is positioned, the fork body of the sliding fork is clamped in the clamping groove of the pad rod, driving the worm to rotate, which can drive the worm wheel to rotate, and then drive the positioning column to move vertically, so that the height of the pad rod can be adjusted, and it can adapt to fork bodies of different diameters, that is, it can support and limit sliding forks of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 It is a structural diagram of a sliding fork in the background technology.
[0025] Figure 2 It is a schematic diagram of the overall structure of an embodiment of the present application.
[0026] Figure 3 This is a structural diagram designed to highlight the fork ear positioning mechanism and the fork body fixing mechanism.
[0027] Figure 4 This is a structural diagram of the fork ear positioning mechanism.
[0028] Figure 5 This is a structural diagram designed to highlight the baffle and support plate.
[0029] Figure 6 yes Figure 5 Magnified view of part A.
[0030] Figure 7 This is a structural diagram designed to highlight the pad rod.
[0031] Explanation of reference numerals: 1. workbench; 2. fork ear positioning mechanism; 21. positioning plate; 211. T-shaped slide; 22. clamping plate; 221. V-shaped groove; 222. T-shaped slide block; 23. thread; 231. handle; 24. ejector column; 241. ejector plate; 242. fillet; 243. return spring; 3. fork body fixing mechanism; 31. support plate; 311. slide groove; 32. baffle; 321. through hole; 322. step groove; 323. slide block; 3 3. Cylinder; 331. Limit block 1; 34. Connecting rod; 341. Limit slot 1; 342. Limit slot 2; 35. Connecting rod; 36. Push rod; 361. Limit block 2; 37. Spacer rod; 371. Slot; 372. Positioning column; 373. Worm gear; 374. Worm; 375. Hand wheel; 376. Protective cover; 377. Guide hole; 378. Guide column; 4. Sliding fork; 41. Fork body; 411. Inner hole; 42. Fork ear; 421. Ear hole. DETAILED DESCRIPTION
[0032] The following is combined with Figure 2-7 The present invention is described in further detail.
[0033] The embodiment of the present invention discloses a sliding fork drilling and positioning tool. Figure 2 and Figure 3 A sliding fork drilling positioning tool includes a workbench 1, a fork ear positioning mechanism 2 is provided on the workbench 1, and a fork body fixing mechanism 3 is slidably connected to the side of the workbench 1 away from the fork ear positioning mechanism 2; the fork ear 42 of the sliding fork 4 is clamped in the fork ear positioning mechanism 2, and the fork body 41 of the sliding fork 4 is clamped in the fork body fixing mechanism 3, so that the sliding fork 4 can be fixed.
[0034] Reference Figure 4The fork ear positioning mechanism 2 comprises a positioning plate 21 vertically arranged, two identical clamping plates 22 slidably connected to the positioning plate 21, a V-shaped groove 221 formed in the middle of the clamping plate 22, the clamping plate 22 used for clamping the fork ear 42, a pair of wires 23 rotatably connected to the positioning plate 21, the wires 23 horizontally arranged in the axial direction, the clamping plate 22 threadedly connected to the wires 23 near the two ends, one end of the wire 23 extending out of the clamping plate 22 and fixedly connected with a handle 231, a T-shaped sliding block 222 fixedly connected to the clamping plate 22, and a T-shaped sliding groove 211 horizontally arranged and formed in the positioning plate 21, the T-shaped sliding block 222 slidably connected to the T-shaped sliding groove 211. Rotating the wire 23 can drive the two clamping plates 22 to move towards or away from each other, thereby adjusting the distance between the two clamping plates 22, fixing the sliding fork 4 of different sizes, and making the clamping plate 22 more stable during sliding by sliding the T-shaped sliding block 222 in the T-shaped sliding groove 211.
[0035] A material lifting column 24 is arranged in the middle of the positioning plate 21, the material lifting column 24 horizontally arranged in the axial direction, the material lifting column 24 slidably connected to the positioning plate 21, and the material lifting column 24 extending between the two clamping plates 22. An end of the material lifting column 24 is fixedly connected with a top plate 241, the top plate 241 is disc-shaped, the top plate 241 used for extending and abutting between the two fork ears 42, an end of the top plate 241 is provided with a rounded corner 242, the rounded corner 242 capable of reducing the abrasion of the inner wall of the sliding fork 4 by the top plate 241. A return spring 243 is sleeved on the material lifting column 24, one end of the return spring 243 fixedly connected to the positioning plate 21, and the other end fixedly connected to the top plate 241. When the fork ear 42 is inserted into the clamping plate 22, the fork ear 42 abuts against the top plate 241 to compress the return spring 243, and after the drilling is completed, the pressure on the fork ear 42 disappears, the tension of the return spring 243 drives the fork body 41 to move outward, and the fork ear 42 is separated from the clamping plate 22.
[0036] Referring to Figure 5 and Figure 6The fork body fixing mechanism 3 includes a support plate 31 that is slidably connected to the workbench 1, and the support plate 31 is sleeved on the workbench 1. The side wall of the support plate 31 is threadedly connected with a bolt that fixes the support plate 31 and the workbench 1; a baffle 32 is provided on the side of the top of the support plate 31 away from the pad 37, and the baffle 32 is used for the end of the fork body 41 to be plugged in. A through hole 321 is provided in the middle of the baffle 32, and the through hole 321 is used for the drill bit to pass through. Three annular step grooves 322 are provided on the side of the middle of the baffle 32 close to the positioning plate 21, and the step groove 322 and the through hole 321 are concentrically arranged. The step groove 322 is used for plugging and limiting the end of the fork body 41, and the three step grooves 322 can be used for forks 41 of different diameters to be plugged in. The top of the support plate 31 is provided with a sliding groove 311, and the sliding groove 311 is T-shaped. The bottom of the baffle 32 is fixedly connected to a sliding block 323, which is T-shaped. The sliding block 323 is slidingly connected to the sliding groove 311; the support plate 31 is symmetrically fixedly connected to the two sides of the cylinder 33, and the cylinder body of the cylinder 33 is fixedly connected to the support plate 31. The end of the piston rod of the cylinder 33 is hinged to a connecting rod 34, and the middle part of the connecting rod 34 is hinged to a connecting rod 35. The end of the connecting rod 35 away from the connecting rod 34 is fixedly connected to the support plate 31, and a limiting groove 1 341 and a limiting groove 2 342 are respectively provided at both ends of the connecting rod 34. The end of the piston rod of the cylinder 33 is hinged to the limiting block 1 33 1. The limit block 1 331 is slidably connected to the limit groove 1 341. A push rod 36 is fixedly connected to the baffle 32. One end of the push rod 36 is fixed to the baffle 32, and the other end is rotatably connected to the limit block 2 361. The limit block 2 361 is slidably connected to the limit groove 2 342. When the sliding fork 4 is positioned, the piston rod of the cylinder 33 is extended, pushing the connecting rod 35 to move forward near the limit groove 2 342, thereby pushing the connecting rod 34 to rotate around the hinge with the connecting rod 35. The end of the connecting rod 34 close to the push rod 36 moves in the direction of the push rod 36, so that the push rod 36 pushes the baffle 32 to move in the direction of the positioning plate 21, thereby being able to press the sliding fork 4 between the positioning plate 21 and the baffle 32.
[0037] Reference Figure 7The top of the supporting plate 31 is provided with a pad rod 37 near the side of the positioning plate 21, the pad rod 37 is used for abutting against the side wall of the fork body 41, a clamping groove 371 is formed in the middle position of the top of the pad rod 37, the clamping groove 371 is arranged in a V shape, and the clamping groove 371 is used for supporting and limiting the fork body 41; a positioning column 372 is rotationally connected to the middle position of the bottom of the pad rod 37, a worm wheel 373 is threadedly connected to the positioning column 372, the worm wheel 373 is sleeved outside the positioning column 372, a worm 374 is engaged with the worm wheel 373, the axial direction of the worm 374 is horizontally arranged, the worm wheel 373 and the worm 374 are sleeved with a protective cover 376, the protective cover 376 is fixedly connected to the supporting plate 31, one end of the worm 374 extends out of the protective cover 376 and is fixedly connected with a hand wheel 375; guide holes 377 are formed in the positions close to the two ends of the pad rod 37, and two guide columns 378 are fixedly connected to the top of the supporting plate 31, the axial direction of the guide columns 378 is vertically arranged, and the guide columns 378 are slidably connected in the guide holes 377 of the pad rod 37.
[0038] When the sliding fork 4 is positioned, the fork body 41 of the sliding fork 4 is clamped in the clamping groove 371 of the pad rod 37, and rotating the hand wheel 375 can drive the worm 374 to rotate the worm wheel 373, thereby driving the positioning column 372 to vertically move, so that the height of the pad rod 37 can be adjusted, the fork body 41 of different diameters can be adapted, and the sliding fork 4 of different sizes can be supported and limited.
[0039] The implementation principle of the sliding fork drilling positioning tool is as follows: when the sliding fork 4 is positioned, the fork lug 42 of the sliding fork 4 is clamped in the V-shaped groove 221 of the clamping plate 22, the end of the fork body 41 of the sliding fork 4 is clamped in the stepped groove 322 of the through hole 321, and the bottom of the fork body 41 abuts against the clamping groove 371 of the pad rod 37, finally, the piston rod of the air cylinder 33 is elongated, the end of the connecting rod 34 away from the air cylinder 33 is moved to the direction of the push rod 36, thereby the baffle 32 can be moved to the direction of the positioning plate 21, thereby the sliding fork 4 can be tightly abutted between the positioning plate 21 and the baffle 32, the sliding fork 4 is compressed by the reset spring 243, and the sliding fork 4 is automatically positioned. After processing is completed, the piston rod of the air cylinder 33 is retracted, the baffle 32 is moved away from the positioning plate 21, the pressure of the baffle 32 on the sliding fork 4 is small, the tension of the reset spring 243 makes the sliding fork 4 separate from the clamping plate 22, and the sliding fork 4 is convenient to take out.
[0040] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape and principle of the present application should be covered within the protection scope of the present application.
Claims
1. A sliding fork drilling and positioning tool, characterized by: The workbench (1) comprises a workbench (1), one end of which is provided with a fork ear positioning mechanism (2), and the other end of which is slidably connected with a fork body fixing mechanism (3); The fork ear positioning mechanism (2) comprises a positioning plate (21), two identically structured clamping plates (22) are provided on the positioning plate (21), and a V-shaped groove (221) for clamping the fork ear (42) is provided in the middle of the clamping plate (22); The fork body fixing mechanism (3) comprises a support plate (31) arranged on the workbench (1), a baffle (32) is slidably connected to the top of the support plate (31), a step groove (322) is provided in the middle of the baffle (32) for the end of the fork body (41) to be inserted, and a driving component is provided on the support plate (31) for driving the baffle (32) to slide back and forth relative to the positioning plate (21); The driving assembly comprises a cylinder (33) symmetrically arranged on both sides of the support plate (31), a cylinder body of the cylinder (33) is fixedly connected to the support plate (31), a connecting rod (34) is hinged at the end of the piston rod of the cylinder (33), a connecting rod (35) is hinged at the middle of the connecting rod (34), an end of the connecting rod (35) away from the connecting rod (34) is fixedly connected to the support plate (31), and a limiting groove is respectively provided at both ends of the connecting rod (34). (341) and limiting groove 2 (342), the piston rod end of the cylinder (33) is hinged to the limiting block 1 (331), the limiting block 1 (331) is slidably connected to the limiting groove 1 (341), the baffle (32) is fixedly connected to a push rod (36), one end of the push rod (36) is fixed to the baffle (32), and the other end is rotatably connected to the limiting block 2 (361), and the limiting block 2 (361) is slidably connected to the limiting groove 2 (342); The positioning plate (21) is rotatably connected to a pair of threads (23), the axial direction of the pair of threads (23) is horizontally arranged, and the clamping plates (22) are respectively threadedly connected to positions near both ends of the pair of threads (23); A material ejecting column (24) is slidably connected to the middle of the positioning plate (21), the axial direction of the material ejecting column (24) is horizontally arranged, the end of the material ejecting column (24) extends between the two clamping plates (22) and is fixedly connected to a top plate (241), and a return spring (243) is sleeved on the material ejecting column (24); A pad rod (37) is provided on one side of the support plate (31) close to the positioning plate (21), and a clamping groove (371) is provided at the middle position of the top of the pad rod (37). The clamping groove (371) is used to support and limit the fork body (41).
2. The sliding fork drilling and positioning tool according to claim 1, characterized in that: The top of the support plate (31) is provided with a sliding groove (311), the bottom of the baffle (32) is fixedly connected with a sliding block (323), and the sliding block (323) is slidably connected in the sliding groove (311).
3. The sliding fork drilling and positioning tool according to claim 1, characterized in that: One end of the pair of wires (23) extends out of the clamping plate (22) and is fixedly connected to a handle (231).
4. The sliding fork drilling and positioning tool according to claim 1, characterized in that: The clamping plate (22) is fixedly connected with a T-shaped sliding block (222), the positioning plate (21) is provided with a T-shaped sliding groove (211), and the T-shaped sliding block (222) is slidably connected in the T-shaped sliding groove (211).
5. The sliding fork drilling and positioning tool according to claim 1, characterized in that: One end of the return spring (243) is fixedly connected to the positioning plate (21), and the other end is fixedly connected to the top plate (241).
6. The sliding fork drilling and positioning tool according to claim 1, characterized in that: A plurality of step grooves (322) are provided in the middle of the baffle (32), each step groove (322) is concentrically arranged, and each step groove (322) has a different diameter.
7. The sliding fork drilling and positioning tool according to claim 1, characterized in that: The pad rod (37) is rotatably connected to a positioning column (372), a worm wheel (373) is threadedly connected to the positioning column (372), and the worm wheel (373) is sleeved outside the positioning column (372), a worm (374) is meshed on the worm wheel (373), and a protective cover (376) is provided on the outer cover of the worm wheel (373) and the worm (374), and the protective cover (376) is fixedly connected to the support plate (31), and guide holes (377) are opened near the two ends of the pad rod (37), and two guide columns (378) are fixedly connected to the top of the support plate (31), and the axial direction of the guide columns (378) is vertically arranged, and the guide columns (378) are slidably connected to the guide holes (377) of the pad rod (37).
Citation Information
Patent Citations
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