Flange yoke side pulling end tooth positioning tool
By designing a flange fork side pull-end tooth positioning tool for transmission shaft processing, the positioning and installation problems caused by the irregular structure of the flange fork are solved, and the stable operation of the transmission shaft is achieved during high-speed operation.
Patent Information
- Application Number
- CN202411984086.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-04-11
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The irregular structure of the flange fork makes it difficult to stably position and install during the machining of the drive shaft, resulting in the possibility of loosening and offsetting of the drive shaft when it is running at high speed.
A flange fork side pull-end tooth positioning tool is designed, including a support frame, a positioning column and a clamping mechanism arranged on the pull-bed. The clamping mechanism can automatically position and fix the fork ears of the flange fork through the cooperation of the pneumatic three-jaw clamp and the return spring, thereby achieving stable positioning of the flange fork.
This tooling can effectively solve the positioning and installation problems of flange forks during the transmission shaft processing process, ensure the stable operation of the transmission shaft during high-speed operation, and avoid potential problems caused by loosening.
Smart Images

Figure CN119794461A_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of transmission shaft processing, and in particular to a flange fork side-pull end tooth positioning tool. Background Art
[0002] The flange fork is a part on the drive shaft used to withstand high-speed rotation. The structure and processing technology of the flange fork will directly affect the performance of the part, and then affect the use of the drive shaft. The flange fork includes a fork body and two fork ears, which makes the structure of the flange fork irregular.
[0003] Usually, to ensure the stable operation of the drive shaft and the effective transmission of torque, it is necessary to pull the end teeth on the side of the fork body away from the fork ear to ensure that the drive shaft can remain stable when running at high speed and avoid potential problems caused by looseness. It prevents the drive shaft from unnecessary deviation during driving through precise installation, thereby ensuring the smooth operation of the car under various road conditions.
[0004] When the end teeth of the flange fork are pulled, the flange fork needs to be fixed on the pulling table. Due to the irregular shape of the flange fork, it is not convenient to install and fix the flange fork. Therefore, designing a tooling that can facilitate the clamping and positioning of the flange fork is an urgent problem to be solved. Summary of the invention
[0005] In order to facilitate the positioning of the flange fork, the present application provides a flange fork side-pull end tooth positioning tool.
[0006] The present application provides a flange fork side pull end tooth positioning tool, which adopts the following technical solution: The cam is provided with a plurality of locking plates, and the locking plate is provided with a plurality of locking plates, the locking plate is provided with a plurality of locking plates, the locking plate is provided with a plurality of locking plates, the locking plate is provided with a plurality of locking plates, the locking plate is provided with a plurality of locking plates, the locking plate is provided with a plurality of locking plates.
[0007] By adopting the above technical solution, when the user uses it, when the driving assembly drives the fixed cylinder to rotate, the fixed cylinder drives the fixed column to rotate, and the fixed column slides along the inner wall of the fixed cylinder, so that the plug-in column is inserted into the installation hole, and at the same time drives the inclined surface of the push rod to squeeze the connecting rod, so that the two connecting rods move toward each other, and then drive the clamping rod to move toward each other until the pneumatic three-jaw clamp is inserted into the ear hole, and the pneumatic three-jaw clamp automatically opens and is fixed to the inner wall of the fork ear, thereby realizing the positioning of the flange fork.
[0008] Optionally, the driving assembly includes an outer gear ring fixed to the outer wall of the fixed cylinder, a motor is fixedly connected to the support plate, a gear is fixedly connected to the output shaft of the motor, and the gear is meshed with the outer gear ring of the fixed cylinder.
[0009] By adopting the above technical solution, when the user uses it, the motor works, which can drive the gear to rotate, and the rotation of the gear can rotate the outer gear ring, thereby driving the fixed cylinder to rotate and drive the fixed column to move.
[0010] Optionally, a return spring is provided between the two connecting rods, and two ends of the return spring are respectively fixedly connected to the two clamping rods.
[0011] By adopting the above technical solution, when the user uses it, the tension of the return spring makes it easy for the pneumatic three-claw clamp to disengage from the fork ear, making it easy for the flange fork to discharge the material.
[0012] Optionally, four plug-in columns are fixedly connected to the end of the fixing column, and four mounting holes are opened on the flange fork, and the plug-in columns are used to be plugged into the mounting holes.
[0013] By adopting the above technical solution, when the user uses it, the plug-in column is inserted into the installation hole of the flange fork, and the end of the flange fork is pressed against the broach to achieve pre-positioning of the flange fork.
[0014] Optionally, the support plate is slidably connected to the support frame, and a positioning assembly is arranged between the support frame and the support plate; a flip column is arranged at the end of the positioning column away from the fixed cylinder, and the outer wall of the flip column is provided with two horizontal grooves and two arc grooves, the horizontal grooves are symmetrically arranged on the outer wall of the flip column, and the arc grooves are respectively connected to the two ends of the horizontal grooves; the top of the support frame is fixedly connected to the guide cylinder, and two limit columns are symmetrically fixedly connected to the inner wall of the guide cylinder, and the limit columns are respectively clamped and slidably connected to the horizontal groove and the arc groove.
[0015] By adopting the above technical solution, when the user uses it, after the groove of one half of the end of the flange fork is completed, the remaining half of the flange fork needs to be grooved, and the flange fork needs to be rotated 180 degrees. At this time, the fixing effect of the positioning assembly on the support plate is cancelled, and the motor drives the fixed cylinder to rotate, and the fixed cylinder drives the positioning column to rotate, and the limit column slides along the arc groove of the flip column, thereby driving the flip column to rotate 180 degrees, driving the flange fork to rotate 180 degrees.
[0016] Optionally, the end of the flip column is fixedly connected to a guide column, the end of the guide column away from the positioning column extends out of the guide cylinder and is fixedly connected to a limiting disk, the guide column is located in the positioning cylinder and is sleeved with a buffer spring, and the buffer spring is used to reset the positioning column.
[0017] By adopting the above technical solution, when the user uses it, after the groove of one half of the end of the flange fork is completed, the remaining half of the flange fork needs to be grooved, and the flange fork needs to be rotated 180 degrees. At this time, the pin is pulled outward to disengage the pin from the slot, and the motor drives the fixed cylinder to rotate, and the fixed cylinder drives the positioning column to rotate, and the limit column slides along the arc groove of the flip column, and the flip column squeezes the buffer spring, thereby driving the flip column to rotate 180 degrees, driving the flange fork to rotate 180 degrees, and when the motor stops rotating, the tension of the reset spring pushes the guide column to slide horizontally, and the limit column slides horizontally in the horizontal groove, so that the unprocessed end is abutted against the broach.
[0018] Optionally, the positioning assembly includes a latch, a accommodating cavity is defined in the support frame, one end of the latch passes through the accommodating cavity, a locking spring is sleeved on the position of the latch in the accommodating cavity, the latch is fixedly connected to a limiting plate in the accommodating cavity, a slot for the latch to be inserted is defined at a position of the support plate corresponding to the accommodating cavity, and the other end of the latch extends out of the support frame and is fixedly connected to a handle.
[0019] By adopting the above technical solution, when the user uses it, he pulls the handle, the pin slides outward, the limit plate squeezes the locking spring, and the end of the pin disengages from the slot, which does not affect the sliding of the support plate in the T-shaped slide groove. When the end of the pin is inserted into the slot, the support plate is fixed. At this time, the motor drives the fixed cylinder to rotate, and the fixed cylinder idles relative to the positioning column, thereby driving the fixed column to slide along the inner wall of the fixed cylinder, thereby clamping and fixing the flange fork.
[0020] Optionally, a T-shaped slide groove is provided on the support frame, a T-shaped slider is fixedly connected to the bottom of the support plate, and the T-shaped slider is slidably connected in the T-shaped slide groove.
[0021] By adopting the above technical solution, when the user uses it, the motor drives the fixed cylinder to rotate, the fixed cylinder drives the positioning column to rotate, and then drives the support plate to slide in the T-shaped slide groove, and the T-shaped slider is slidably connected in the T-shaped slide groove, making the sliding of the support plate more stable. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 It is a schematic diagram of the structure in which the positioning tooling of the embodiment of the present application is installed on the broach; Figure 2 It is a schematic diagram of the overall structure of an embodiment of the present application; Figure 3 is a cross-sectional view of an embodiment of the present application; Figure 4 is an exploded view of an embodiment of the present application; Figure 5 is a cross-sectional view of the clamping mechanism; Figure 6 A cross-sectional view is made to highlight the positioning components.
[0023] Description of the accompanying drawings: 1, frame; 11, broach; 2, support frame; 21, T-shaped slide; 22, fixed plate; 23, guide cylinder; 231, limit column; 24, support plate; 241, slot; 242, T-shaped slide; 25, positioning column; 26, flip column; 261, horizontal groove; 262, arc groove; 263, guide column; 264, buffer spring; 265, limit plate; 27, accommodating chamber; 3, clamping machine Structure; 31, fixed cylinder; 311, outer gear ring; 312, support rod; 313, motor; 314, gear; 32, fixed column; 321, plug column; 322, give way groove; 323, connecting plate; 324, connecting rod; 325, clamping rod; 326, pneumatic three-jaw clamp; 327, push rod; 328, inclined plane; 33, reset spring; 4, positioning assembly; 41, latch; 42, locking spring; 43, limit plate. DETAILED DESCRIPTION
[0024] The following is combined with Figure 1-6 This application is described in further detail.
[0025] The present application embodiment discloses a flange fork side pull end tooth positioning tool, referring to Figure 1 and Figure 2 , including a support frame 2 arranged on the broaching machine, one end of the support frame 2 is fixedly connected with a fixed plate 22, and the top of the fixed plate 22 is fixedly connected with a guide cylinder 23; a T-shaped slide groove 21 is opened on the support frame 2, a support plate 24 is slidably connected in the T-shaped slide groove 21, a T-shaped slider 242 is fixedly connected to the bottom of the support plate 24, and a positioning column 25 is rotatably connected to the support plate 24; one end of the positioning column 25 is fixedly connected with a flip column 26, the flip column 26 is inserted into the guide cylinder 23 and can slide in the guide cylinder 23, and a clamping mechanism 3 for clamping and fixing the flange fork is arranged on the side of the positioning column 25 away from the flip column 26.
[0026] Reference Figure 3 and Figure 4The clamping mechanism 3 includes a fixed cylinder 31 rotatably connected to the positioning column 25. The fixed cylinder 31 is located at the end of the positioning column 25 away from the flip column 26. An outer gear ring 311 is fixedly connected to the outer wall of the fixed cylinder 31. A support rod 312 is fixedly connected to the support plate 24. A motor 313 is fixedly connected to the support rod 312. A gear 314 is fixedly connected to the output shaft of the motor 313. The gear 314 meshes with the outer gear ring 311 of the fixed cylinder 31. An internal thread is provided on the inner wall of the fixed cylinder 31. A fixed column 32 is connected to the internal thread of the fixed cylinder 31. Four plug-in columns 321 are fixedly connected to the end of the fixed column 32. Four mounting holes are provided on the flange fork. The plug-in columns 321 are used to be plugged into the mounting holes. The plug-in columns 321 are plugged into the mounting holes of the flange fork, and the end of the flange fork is pressed against the broach 11 to achieve pre-positioning of the flange fork.
[0027] Reference Figure 4 and Figure 5 The fixing column 32 is provided with a giving groove 322, and the end of the positioning column 25 is fixedly connected with two connecting plates 323, and the connecting plate 323 is located in the giving groove 322. The end of the connecting plate 323 away from the fixing column 32 is hinged with two connecting rods 324, and the ends of the two connecting rods 324 away from the fixing column 32 are hinged with clamping rods 325, and the clamping rods 325 are arranged in an L shape. The ends of the clamping rods 325 are fixedly connected with pneumatic three-claw clamps 326, and the pneumatic three-claw clamps 326 are used to extend into the fork ears. The pneumatic three-claw clamps 326 are opened to fix the fork ears, thereby realizing the positioning of the flange fork; a return spring 33 is arranged between the two connecting rods 324, and the two ends of the return spring 33 are respectively fixedly connected to the two clamping rods 325, and the tension of the return spring 33 is mainly to facilitate the pneumatic three-claw clamps 326 to detach from the fork ears. The inner wall of the fixed column 32 is fixedly connected with a push rod 327, and a slope 328 is provided on the side of the push rod 327 close to the connecting rod 324; when the motor 313 drives the fixed cylinder 31 to rotate, the fixed cylinder 31 drives the fixed column 32 to rotate, and the fixed column 32 slides along the inner wall of the fixed cylinder 31, so that the plug-in column 321 is plugged into the installation hole, and at the same time drives the slope 328 of the push rod 327 to squeeze the connecting rod 324, so that the two connecting rods 324 move toward each other, and then drive the clamping rod 325 to move toward each other until the pneumatic three-claw clamp 326 is plugged into the ear hole, and the pneumatic three-claw clamp 326 automatically opens and is fixed to the inner wall of the fork ear, thereby realizing the positioning of the flange fork.
[0028] Reference Figure 6In order to prevent the fixed cylinder 31 from sliding during the rotation process, a positioning assembly 4 is provided between the support frame 2 and the support rod 312. The positioning assembly 4 includes a latch 41, a receiving cavity 27 is provided in the support frame 2, one end of the latch 41 passes through the receiving cavity 27, a locking spring 42 is sleeved on the position of the latch 41 located in the receiving cavity 27, the latch 41 is located in the receiving cavity 27 and is fixedly connected to a limiting plate 43, a slot 241 for the latch 41 to be inserted is provided in the position of the support plate 24 corresponding to the receiving cavity 27, and the other end of the latch 41 extends out of the support frame 2 and is fixedly connected to a handle. Pull the handle, the latch 41 slides outward, the limit plate 43 squeezes the locking spring 42, and the end of the latch 41 disengages from the slot 241, which does not affect the sliding of the support plate 24 in the T-shaped slide groove 21. When the end of the latch 41 is inserted into the slot 241, the support plate 24 is fixed. At this time, the motor 313 drives the fixed cylinder 31 to rotate, and the fixed cylinder 31 idles relative to the positioning column 25, thereby driving the fixed column 32 to slide along the inner wall of the fixed cylinder 31, thereby clamping and fixing the flange fork.
[0029] Two horizontal grooves 261 and two arc grooves 262 are provided on the outer wall of the flip column 26. The horizontal grooves 261 are symmetrically provided on the outer wall of the flip column 26. The arc grooves 262 are respectively connected to the two ends of the horizontal grooves 261. Two limiting columns 231 are symmetrically fixedly connected to the inner wall of the guide cylinder 23. The limiting columns 231 are respectively snap-fitted and slidably connected in the horizontal grooves 261 and the arc grooves 262; a guide column 263 is fixedly connected to the end of the flip column 26. The end of the guide column 263 away from the positioning column 25 extends out of the guide cylinder 23 and is fixedly connected to the limiting disk 265. The guide column 263 is located in the positioning cylinder and is sleeved with a buffer spring 264. The buffer spring 264 is used to reset the positioning column 25. When the groove of one half of the end of the flange fork is completed, the remaining half of the flange fork needs to be grooved, and the flange fork needs to be rotated one hundred and eighty degrees. At this time, the pin 41 is pulled outward to disengage the pin 41 from the slot 241, and the motor 313 drives the fixed cylinder 31 to rotate, and the fixed cylinder 31 drives the positioning column 25 to rotate, and the limit column 231 slides along the arc groove 262 of the flip column 26, and the flip column 26 squeezes the buffer spring 264, thereby driving the flip column 26 to rotate one hundred and eighty degrees, driving the flange fork to rotate one hundred and eighty degrees. When the motor 313 stops rotating, the tension of the reset spring 33 pushes the guide column 263 to slide horizontally, and the limit column 231 slides horizontally in the horizontal groove 261, so that the unprocessed end is abutted against the broach 11.
[0030] The implementation principle of a flange fork side-pulling end tooth positioning tooling in an embodiment of the present application is as follows: first, the staff manually places the end of the flange fork against the puller 11, the motor 313 drives the fixed cylinder 31 to rotate, the fixed cylinder 31 drives the fixed column 32 to rotate, the fixed column 32 slides along the inner wall of the fixed cylinder 31, so that the plug-in column 321 is plugged into the installation hole, and at the same time drives the inclined surface 328 of the push rod 327 to squeeze the connecting rod 324, so that the two connecting rods 324 move toward each other, and then drive the clamping rod 325 to move toward each other until the pneumatic three-claw clamp 326 is plugged into the ear hole, and the pneumatic three-claw clamp 326 automatically opens and is fixed to the inner wall of the fork ear, thereby realizing the positioning of the flange fork.
[0031] After half of the end surface of the flange fork is processed, the pin 41 is pulled outward to disengage the pin 41 from the slot 241, and the motor 313 drives the fixed cylinder 31 to rotate, and the fixed cylinder 31 drives the positioning column 25 to rotate, and the limit column 231 slides along the arc groove 262 of the flip column 26, and the flip column 26 squeezes the buffer spring 264, thereby driving the flip column 26 to rotate one hundred and eighty degrees, driving the flange fork to rotate one hundred and eighty degrees. When the motor 313 stops rotating, the tension of the reset spring 33 pushes the guide column 263 to slide horizontally, and the limit column 231 slides horizontally in the horizontal groove 261, so that the unprocessed end abuts against the broach 11.
[0032] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. A flange fork side pull end tooth positioning tool, characterized in that: The invention comprises a support frame (2) arranged on the drawing bed, wherein a support plate (24) is arranged on the support frame (2), a positioning column (25) is rotatably connected to the support plate (24), and a clamping mechanism (3) for clamping and fixing the flange fork is arranged on the positioning column (25); The clamping mechanism (3) comprises a fixing cylinder (31) rotatably connected to the positioning column (25), a fixing column (32) being internally threadedly connected to the fixing cylinder (31), a clearance groove (322) being provided in the fixing column (32), two connecting plates (323) being fixedly connected to the ends of the positioning column (25), the connecting plates (323) being located in the clearance groove (322), two connecting rods (324) being hingedly connected to one end of the connecting plate (323) away from the fixing column (32), and a clamping rod (325) being hingedly connected to one end of the two connecting rods (324) away from the fixing column (32), the clamping rod (325) being arranged in an L shape, and a pneumatic three-claw clamp (326) being fixedly connected to the end of the clamping rod (325), and the pneumatic three-claw clamp (326) being used to extend into the fork ear; A push rod (327) is fixedly connected to the inner wall of the fixed column (32), and a slope (328) is provided on a side of the push rod (327) close to the connecting rod (324); The fixed cylinder (31) is externally connected to a driving assembly for driving the fixed cylinder (31) to rotate and thereby driving the fixed column (32) to slide.
2. A flange fork side pull end tooth positioning tool according to claim 1, characterized in that: The driving assembly comprises an outer gear ring (311) fixed to the outer side wall of the fixed cylinder (31), a motor (313) is fixedly connected to the support plate (24), a gear (314) is fixedly connected to the output shaft of the motor (313), and the gear (314) is meshed with the outer gear ring (311) of the fixed cylinder (31).
3. The flange fork side pull end tooth positioning tool according to claim 1, characterized in that: A return spring (33) is arranged between the two connecting rods (324), and two ends of the return spring (33) are respectively fixedly connected to the two clamping rods (325).
4. The flange fork side pull end tooth positioning tool according to claim 1, characterized in that: Four plug-in columns (321) are fixedly connected to the end of the fixing column (32), and four mounting holes are provided on the flange fork, and the plug-in columns (321) are used to be plugged into the mounting holes.
5. The flange fork side pull end tooth positioning tool according to claim 1, characterized in that: The support plate (24) is slidably connected to the support frame (2), and a positioning assembly (4) is arranged between the support frame (2) and the support plate (24); a flip column (26) is arranged at one end of the positioning column (25) away from the fixed cylinder (31), and the outer wall of the flip column (26) is provided with two horizontal grooves (261) and two arc grooves (262), the horizontal grooves (261) are symmetrically arranged on the outer wall of the flip column (26), and the arc grooves (262) are respectively connected to the two ends of the horizontal groove (261); the top of the support frame (2) is fixedly connected to the guide cylinder (23), and the inner wall of the guide cylinder (23) is symmetrically fixedly connected with two limit columns (231), and the limit columns (231) are respectively clamped and slidably connected in the horizontal groove (261) and the arc groove (262).
6. The flange fork side pull end tooth positioning tool according to claim 5, characterized in that: The end of the flip column (26) is fixedly connected to a guide column (263); one end of the guide column (263) away from the positioning column (25) extends out of the guide cylinder (23) and is fixedly connected to a limiting disk (265); the guide column (263) is located in the positioning cylinder and is sleeved with a buffer spring (264); the buffer spring (264) is used to reset the positioning column (25).
7. The flange fork side pull end tooth positioning tool according to claim 5, characterized in that: The positioning assembly (4) comprises a latch (41), a receiving cavity (27) is provided in the support frame (2), one end of the latch (41) passes through the receiving cavity (27), a locking spring (42) is sleeved on the position of the latch (41) located in the receiving cavity (27), the latch (41) is fixedly connected to a limiting plate (43) in the receiving cavity (27), a slot (241) for the latch (41) to be plugged in is provided at a position of the support plate (24) corresponding to the receiving cavity (27), and the other end of the latch (41) extends out of the support frame (2) and is fixedly connected to a handle.
8. The flange fork side pull end tooth positioning tool according to claim 1, characterized in that: The support frame (2) is provided with a T-shaped slide groove (21), the bottom of the support plate (24) is fixedly connected with a T-shaped slide block (242), and the T-shaped slide block (242) is slidably connected in the T-shaped slide groove (21).