Flange yoke end tooth pulling machine tool

Abstract

The flange yoke end tooth pulling machine tool comprises a rack, a working cavity is formed in the rack, the middle of the working cavity is rotationally connected with a positioning table, the positioning table is arranged in a quadrangular prism shape, and a driving mechanism for driving the positioning table to rotate by 90 degrees is arranged at the bottom of the positioning table; mounting plates are detachably connected to the four side walls of the positioning table, a plurality of clamping mechanisms of the same structure are arranged on the mounting plates, and the clamping mechanisms can be used for fixing the flange yoke to the mounting plates; broach mechanisms are arranged on the inner wall of the rack and located on the two symmetrical sides of the working cavity, and each broach mechanism is provided with a plurality of broaches in one-to-one correspondence with the clamping mechanisms. The flange yoke machining device has the effects that multiple flange yokes are machined at a time, and the machining efficiency is improved.

Description

Technical Field

[0001] This application relates to the field of processing of drive shaft accessories, and particularly to a flange fork end tooth broaching machine tool. Background Art

[0002] The flange fork is a part of the drive shaft. The flange fork is used to connect the drive shaft and the universal joint, responsible for transmitting power, and at the same time allowing a certain angle of offset. The main functions of the flange fork are power transmission, angle compensation, shock absorption, and protection of the seal.

[0003] Generally, for the flange fork used in heavy trucks, end teeth need to be broached at the end of the flange fork. Currently, a vertical broaching machine is generally used for processing, which is beneficial for clamping and the supply of broaching fluid. Due to the irregular shape of the flange fork, it is difficult to clamp during processing, and only one flange fork can be clamped on the broaching machine each time. After processing, the flange fork needs to be removed manually and a new flange fork needs to be installed. Only one flange fork can be processed each time, resulting in low processing efficiency. Summary of the Invention

[0004] In order to process multiple flange forks at one time and improve processing efficiency, this application provides a flange fork end tooth broaching machine tool.

[0005] A flange fork end tooth broaching machine tool provided by this application adopts the following technical solutions: A flange fork end tooth broaching machine tool includes a frame. A working cavity is provided inside the frame. A positioning table is rotatably connected to the middle of the working cavity. The positioning table is arranged in a quadrangular prism shape. A driving mechanism for driving the positioning table to rotate by 90 degrees is provided at the bottom of the positioning table; four side walls of the positioning table are detachably connected with mounting plates. A plurality of clamping mechanisms with the same structure are provided on the mounting plates. The clamping mechanisms can be used to fix the flange forks on the mounting plates; broaching mechanisms are provided on two symmetric sides of the inner wall of the frame in the working cavity. Each broaching mechanism is provided with a plurality of broaches corresponding to the clamping mechanisms one by one.

[0006] By adopting the above technical solutions, when in use, when processing the flange forks, three flange forks can be fixed on the mounting plate each time, and four mounting plates can be fixed on each positioning table at the same time, that is, no less than twelve flange forks can be fixed on the positioning table each time. The broaches process the flange forks on two opposite mounting plates at the same time. The driving mechanism drives the quadrangular prism to rotate by 90 degrees, that is, the flange forks on the remaining set of mounting plates can be processed, that is, multiple mounting plates can be clamped and fixed at the same time, and multiple flange forks can be installed at the same time, and the end teeth of multiple flange forks can be broached at the same time, thereby improving processing efficiency.

[0007] Optionally, a clamping plate is rotatably connected to one side of the mounting plate. The clamping mechanism includes a positioning seat fixedly connected to the clamping plate. A positioning column is fixedly connected to the middle of the positioning seat. The positioning column is used for being inserted into the flange fork. On both sides of the positioning column, pressure rods are hinged to the positioning seat. The pressure rods are used for being clamped on both sides of the fork ears of the flange fork. A driving assembly is arranged on the positioning seat and is used for driving the pressure rods to turn downward or outward around the hinge point to press or separate the flange fork.

[0008] By adopting the above technical solution, when in use by the user, the positioning column is inserted into the flange fork to perform pre-positioning on the flange fork. The driving assembly drives the pressure rods to turn around the hinge point until the flange fork and the positioning seat are pressed tightly. The pressure rods are clamped on both sides of the fork ears of the flange fork, and the flange fork and the positioning seat are pressed tightly to achieve fixation.

[0009] Optionally, the driving assembly includes a pair of screws rotatably connected in the positioning seat. Slide rods are threadedly connected to positions near both ends of the pair of screws. The top of the slide rod is hinged to the end of the pressure rod. Two guide plates are fixedly connected to the top of the positioning seat. The slide rod extends between the two guide plates; guide grooves are formed in the guide plates, and the guide grooves are arranged parallel to the axial direction of the pair of screws. A sliding column is fixedly connected to the slide rod, and the sliding column is slidably connected in the guide grooves; sliding grooves are formed in the guide plates, and the sliding grooves are arranged obliquely upward relative to the guide grooves. A guide column is fixedly connected to the end of the pressure rod, and the guide column is slidably connected in the sliding grooves.

[0010] By adopting the above technical solution, when in use by the user, the pair of screws is driven to rotate. When the slide rods are driven to move towards each other, the guide columns of the pressure rods are pressed downward under the guiding action of the sliding grooves, and the flange fork is pressed tightly on the positioning seat. When the pair of screws is driven to rotate in the reverse direction, the slide rods are driven to slide away from each other, and the guide columns of the pressure rods are turned upward under the guiding action of the sliding grooves, and the pressure rods are separated from the flange fork, realizing automatic pressing and separation of the flange fork.

[0011] Optionally, a guiding chute is formed in the mounting plate. The guiding chute is arc-shaped. A lead screw is rotatably connected to the mounting plate. A slider is threadedly connected to the lead screw. A connecting rod is hinged to the slider. The end of the connecting rod away from the slider passes through the guiding chute and is fixedly connected to the clamping plate. A lead screw is rotatably connected to the mounting plate. A driving cylinder is fixedly connected to the positioning table. The cylinder body of the driving cylinder is fixedly connected to the positioning table. The end of the piston rod of the driving cylinder is fixedly connected to a power motor. A friction disc driving disc is fixedly connected to the output shaft of the power motor. A friction disc driven disc is fixedly connected to the end of the lead screw.

[0012] By adopting the above technical solution, when the user uses it and needs to pull the end teeth of the remaining part of the flange fork, the piston rod of the driving cylinder extends, pushing the driving friction disc and the driven friction disc on the lead screw to abut and cooperate. The motor drives the lead screw to rotate, the lead screw drives the connecting rod to move, and the end of the connecting rod slides in the guiding chute, which can drive the clamping plate to rotate, so that the remaining part of the flange fork rotates to abut and cooperate with the broach, without removing the flange fork for rotation, improving the processing efficiency of the flange fork.

[0013] Optionally, a receiving cavity is formed in the positioning table, mounting grooves are formed in the four side walls of the positioning table, a clamping column is fixedly connected to the side of the mounting plate away from the clamping plate, a limiting convex block is fixedly connected to the bottom of the clamping column, a locking spring is fixedly connected to the top of the receiving cavity, and a pressing rod is fixedly connected to the end of the locking spring facing the mounting plate. The tension of the locking spring pushes the pressing rod to slide to the top of the clamping column to fix the mounting plate on the positioning table.

[0014] By adopting the above technical solution, when the user uses it, the limiting convex block is used to be clamped on the inner wall of the receiving cavity to prevent the clamping column from disengaging from the mounting groove. The tension of the locking spring pushes the pressing rod to slide to the top of the clamping column, pressing the clamping column in the mounting groove, thereby fixing the mounting plate on the positioning table, facilitating the fixing of the mounting plate on the positioning table.

[0015] Optionally, a material ejecting groove is formed in the middle of the pressing rod, an inclined surface is formed on the inner wall of the material ejecting groove, an unlocking block is fixedly connected to the side of the receiving cavity close to the mounting groove, an unlocking cavity is formed in the unlocking block, a reset spring is fixedly connected in the unlocking cavity, the reset spring is arranged vertically, a push rod is fixedly connected to the bottom of the reset spring, the push rod is arranged vertically, and a material ejecting cylinder is fixedly connected to the side of the bottom of the receiving cavity close to the discharge door. The material ejecting cylinder is arranged vertically, and the cylinder body of the material ejecting cylinder is fixedly connected to the inner bottom wall of the receiving cavity.

[0016] By adopting the above technical solution, when the user uses it and needs to disassemble and replace the flange fork, the piston rod of the material ejecting cylinder extends, pushing the push rod to slide in the unlocking cavity. The inclined surface on the inner wall of the unlocking cavity pushes the unlocking block to slide away from the mounting groove. When the unlocking block disengages from the top of the clamping column, the clamping column can be manually taken out of the mounting groove, and the entire mounting plate and the clamping plate can be taken off the positioning table, facilitating the replacement of the flange fork.

[0017] Optionally, four load-bearing blocks are fixedly connected to the outer side wall of the positioning table, clamping grooves are formed in the load-bearing blocks, and four clamping blocks are fixedly connected to the side of the mounting plate away from the clamping plate. The clamping blocks are used to be clamped in the clamping grooves.

[0018] By adopting the above technical solution, when the user uses it and installs the mounting plate on the side wall of the positioning table, the clamping blocks on the mounting plate are clamped in the clamping grooves, and the load-bearing blocks play a role in weighing and pre-positioning the mounting plate.

[0019] Optionally, the driving mechanism includes a driving motor fixedly connected to the bottom of the frame. A driving wheel is fixedly connected to the output shaft of the driving motor. A driven gear is engaged with the driving wheel. A connecting column is fixedly connected to the center of the driven gear. A dial is fixedly connected to the connecting column. The dial is rotatably connected to the positioning box. Outer convex locking arcs are arranged on both sides of the dial. Two shifting rods are fixedly connected to the dial. The shifting rods are arranged perpendicular to the dial. Cylindrical pins are fixedly connected to both sides of the shifting rods. A transmission shaft is fixedly connected to the middle of the positioning table. A grooved wheel is fixedly connected to the transmission shaft. Four inner concave locking arcs are formed on the grooved wheel. The outer convex locking arcs on the dial are used for insertion and locking with the inner concave locking arcs on the grooved wheel. Four radial grooves are formed on the grooved wheel. Adjacent two radial grooves form a 90-degree right angle with the center of the grooved wheel. The radial grooves are used for insertion of the cylindrical pins.

[0020] By adopting the above technical solution, when in use by the user, when the driving motor drives the driving wheel to rotate, the dial and the shifting rods can be driven to rotate, so that the cylindrical pins are clamped in the radial grooves. The dial drives the cylindrical pins to rotate, and then the grooved wheel can be driven to rotate. When the cylindrical pins are disengaged from the radial grooves, the outer convex locking arcs on the dial are clamped in the inner concave locking arcs on the grooved wheel, and the grooved wheel remains stationary, and the positioning table can be controlled to just rotate 90 degrees, facilitating the rotation of the next mounting plate to the position of the discharge door.

[0021] Optionally, a locking cylinder is fixedly connected to the frame. A locking plate is fixedly connected to the positioning table. A through hole for inserting the piston rod of the locking cylinder is formed on the locking plate.

[0022] By adopting the above technical solution, when in use by the user, after the driving motor drives the workbench to rotate 90 degrees, the piston rod of the locking cylinder extends out and is inserted into the through hole of the locking plate to fix the positioning table, preventing the positioning table from shaking during the processing of the flange fork by the broach. Description of the Drawings

[0023] Figure 1 is the overall structural schematic diagram of the embodiment of the present application; Figure 2 is the cross-sectional view of the embodiment of the present application; Figure 3 is the cross-sectional view of the clamping mechanism; Figure 4 is the structural schematic diagram made to highlight the positional relationship of the lead screw, the connecting rod and the power motor; Figure 5 is the cross-sectional view of the positioning table, the clamping mechanism and the driving mechanism; Figure 6 is Figure 5 the enlarged view of part A of Figure 7 is the exploded view of the positioning table, the clamping mechanism and the driving mechanism.

[0024] Description of the reference numerals: 1. Frame; 11. Discharge door; 12. Working chamber; 13. Locking cylinder; 131. Locking plate; 132. Through hole; 2. Positioning table; 20. Accommodating cavity; 21. Mounting plate; 211. Guide chute; 212. Lead screw; 213. Connecting rod; 214. Limit block; 215. Driving cylinder; 216. Power motor; 217. Driving friction disk; 218. Driven friction disk; 22. Clamping plate; 23. Mounting groove; 24. Clamping post; 241. Limit projection; 25. Locking spring; 26. Pressing rod; 261. Pushing groove; 27. Unlocking block; 271. Unlocking cavity; 272. Return spring; 273. Push rod; 28. Pushing cylinder; 29. Load-bearing block; 291. Card slot; 292. Card block; 3. Broach mechanism; 31. Tool holder; 32. Broach; 4. Clamping mechanism; 41. Positioning seat; 42. Positioning post; 43. Pressing rod; 431. Guide post; 44. Thread pair; 45. Sliding rod; 451. Sliding post; 46. Guide plate; 461. Guide groove; 462. Sliding groove; 5. Driving mechanism; 51. Driving motor; 511. Main gear; 512. Transmission gear; 513. Connecting shaft; 52. Dial; 521. Outer convex locking arc; 522. Pushing rod; 523. Cylindrical pin; 53. Transmission shaft; 531. Grooved pulley; 532. Inner concave locking arc; 533. Radial groove. Detailed implementation manners

[0025] The following further elaborates on this application Figure 1-7 in conjunction with the attached drawings.

[0026] This application example discloses a flange fork broaching machine for the pull end teeth. Refer to Figure 1 and Figure 2, including a frame 1, with a discharge door 11 opened on one side of the frame 1, a working chamber 12 opened inside the frame 1, a positioning table 2 rotatably connected to the middle of the working chamber 12. The positioning table 2 is arranged in a quadrangular prism shape, and a driving mechanism 5 for driving the positioning table 2 to rotate by ninety degrees is provided at the bottom of the positioning table 2; four side walls of the positioning table 2 are detachably connected with mounting plates 21, and a plurality of clamping mechanisms 4 with the same structure are arranged on the mounting plates 21. The clamping mechanisms 4 can be used to fix the flange fork on the mounting plate 21. In the figure, three clamping mechanisms 4 are shown on each mounting plate 21, but it is not limited to three; on both sides of the working chamber 12 symmetrically located on the inner wall of the frame 1, broaching mechanisms 3 are provided, and each broaching mechanism 3 is provided with a plurality of broaches 32 corresponding to the clamping mechanisms 4 one by one. When processing the flange fork, three flange forks can be fixed on the mounting plate 21 each time, and four mounting plates 21 can be fixed on each positioning table 2 at the same time, that is, no less than twelve flange forks can be fixed on the positioning table 2 each time. The broaches 32 process the flange forks on two opposite mounting plates 21 at the same time, and the driving mechanism 5 drives the quadrangular prism to rotate by ninety degrees, that is, the flange forks on the remaining set of mounting plates 21 can be processed, that is, multiple mounting plates 21 can be clamped and fixed at the same time, and multiple flange forks can be installed at the same time, thereby improving the processing efficiency.

[0027] The broaching mechanism 3 includes a tool holder 31 slidably connected to the frame 1, and the broach 32 is arranged on the tool holder 31. The two tool holders 31 can slide towards each other to abut against the flange fork, and at the same time can slide away from each other to separate from the flange fork. The tool holder 31 can be driven to slide by the cooperation of a motor and a screw rod, or the tool holder 31 can also be pushed to slide by a cylinder, which will not be elaborated here.

[0028] Refer to Figure 3, one side of the mounting plate 21 is rotatably connected with a clamping plate 22. The clamping plate 22 is circularly arranged. The clamping mechanism 4 includes a positioning seat 41 fixedly connected to the clamping plate 22. A positioning column 42 is fixedly connected to the middle of the positioning seat 41. The positioning column 42 is used for being inserted into the flange fork to pre-position the flange fork. Pressing rods 43 are hinged on both sides of the positioning column 42 of the positioning seat 41. The pressing rods 43 are used for clamping on both sides of the fork ears of the flange fork to press and fix the flange fork and the positioning seat 41. A screw pair 44 is rotatably connected in the positioning seat 41. Slide rods 45 are threadedly connected at positions near both ends of the screw pair 44. The top of the slide rod 45 is hinged to the end of the pressing rod 43. Two guide plates 46 are fixedly connected to the top of the positioning seat 41. The slide rod 45 extends between the two guide plates 46. A guide groove 461 is formed in the guide plate 46. The guide groove 461 is arranged parallel to the axial direction of the screw pair 44. A sliding column 451 is fixedly connected to the slide rod 45. The sliding column 451 is slidably connected in the guide groove 461. A sliding groove 462 is formed in the guide plate 46. The sliding groove 462 is arranged obliquely upward relative to the guide groove 461. A guide column 431 is fixedly connected to the end of the pressing rod 43. The guide column 431 is slidably connected in the sliding groove 462. When the screw pair 44 is driven to rotate, when the slide rods 45 are driven to move towards each other, the guide column 431 of the pressing rod 43 is pressed down under the guiding action of the sliding groove 462 to press the flange fork onto the positioning seat 41. When the screw pair 44 is driven to rotate in the reverse direction and the slide rods 45 are driven to slide away from each other, the guide column 431 of the pressing rod 43 is turned upwards under the guiding action of the sliding groove 462, and the pressing rod 43 is separated from the flange fork, realizing automatic pressing and separation of the flange fork.

[0029] Refer to Figure 4, since four end teeth need to be pulled out at the end of the flange fork each time for gear hobbing, and the broach 32 can only broach the end teeth at symmetric positions each time. When the end teeth of the remaining part need to be broached, the flange fork needs to be rotated by an acute angle, and this acute angle is greater than or equal to 60 degrees; a guiding chute 211 is formed in the mounting plate 21, and the guiding chute 211 is arc-shaped. A lead screw 212 is rotatably connected to the mounting plate 21. A slider is threadedly connected to the lead screw 212. A connecting rod 213 is hinged to the slider. One end of the connecting rod 213 away from the slider passes through the guiding chute 211 and is fixedly connected to the clamping plate 22. A lead screw 212 is rotatably connected to the mounting plate 21. A limiting block 214 is fixedly connected to the mounting plate 21. The lead screw 212 is rotatably connected to the limiting block 214. A driving cylinder 215 is fixedly connected to the positioning table 2. The cylinder block of the driving cylinder 215 is fixedly connected to the positioning table 2. The end of the piston rod of the driving cylinder 215 is fixedly connected to a power motor 216. A friction disc driving disc 217 is fixedly connected to the output shaft of the power motor 216. A friction disc driven disc 218 is fixedly connected to the end of the lead screw 212. When the end teeth of the remaining part of the flange fork need to be broached, the piston rod of the driving cylinder 215 extends, pushing the friction disc driving disc 217 on the lead screw 212 and the friction disc driven disc 218 to be in abutting cooperation. The motor drives the lead screw 212 to rotate. The lead screw 212 drives the connecting rod 213 to move. The end of the connecting rod 213 slides in the guiding chute 211, which can drive the clamping plate 22 to rotate, so that the remaining part of the flange fork rotates to be in abutting cooperation with the broach 32, without removing the flange fork for rotation, improving the processing efficiency of the flange fork.

[0030] Referring to Figure 5 and Figure 6 , a receiving cavity 20 is formed in the positioning table 2. Mounting grooves 23 are formed in the four side walls of the positioning table 2. A clamping post 24 is fixedly connected to the side of the mounting plate 21 away from the clamping plate 22. A limiting convex block 241 is fixedly connected to the bottom of the clamping post 24. The limiting convex block 241 is used for being clamped to the inner wall of the receiving cavity 20 to prevent the clamping post 24 from disengaging from the mounting groove 23. A locking spring 25 is fixedly connected to the top of the receiving cavity 20. One end of the locking spring 25 facing the mounting plate 21 is fixedly connected to a pressing rod 26. The tension of the locking spring 25 pushes the pressing rod 26 to slide to the top of the clamping post 24, pressing the clamping post 24 in the mounting groove 23, thereby fixing the mounting plate 21 to the positioning table 2.

[0031] A top material groove 261 is provided in the middle of the compression bar 26. An inclined surface is provided on the inner wall of the top material groove 261. One unlocking block 27 is fixedly connected to one side of the accommodating cavity 20 close to the installation groove 23. An unlocking cavity 271 is provided in the unlocking block 27. A return spring 272 is fixedly connected in the unlocking cavity 271. The return spring 272 is arranged vertically. The bottom of the return spring 272 is fixedly connected with a push rod 273. The push rod 273 is arranged vertically. One top material cylinder 28 is fixedly connected to one side of the inner bottom of the accommodating cavity 20 close to the discharge door 11. The top material cylinder 28 is arranged vertically. The cylinder body of the top material cylinder 28 is fixedly connected to the inner bottom wall of the accommodating cavity 20. When the flange fork needs to be disassembled and replaced, the piston rod of the top material cylinder 28 extends, pushing the push rod to slide in the unlocking cavity 271. The inclined surface on the inner wall of the unlocking cavity 271 pushes the unlocking block 27 to slide away from the installation groove 23. When the unlocking block 27 is separated from the top of the clamping column 24, the clamping column 24 can be manually taken out of the installation groove 23, and the whole mounting plate 21 and the clamping plate 22 can be taken off from the positioning table 2, facilitating the replacement of the flange fork.

[0032] Referring to Figure 7 , four load-bearing blocks 29 are fixedly connected to the outer side wall of the positioning table 2. A clamping groove 291 is provided in the load-bearing block 29. The clamping groove 291 extends downward from the top. Four clamping blocks 292 are fixedly connected to one side of the mounting plate 21 away from the clamping plate 22. The clamping blocks 292 can be clamped in the clamping groove 291. When the mounting plate 21 is mounted on the side wall of the positioning table 2, the clamping blocks 292 on the mounting plate 21 are clamped in the clamping groove 291, and the load-bearing blocks 29 play a role in weighing and pre-positioning the mounting plate 21.

[0033] Since there are four mounting plates 21 arranged on the positioning table 2 and two broaching mechanisms 3 are arranged on the inner wall of the frame 1, it is necessary to rotate the positioning table 2 by ninety degrees to ensure that the flange forks on each mounting plate 21 are processed. After the flange forks on the mounting plates 21 on the positioning table 2 are processed, it is necessary to take off the mounting plates 21 in sequence from the side of the discharge door 11. Therefore, it is necessary for the driving mechanism 5 to drive the positioning table 2 to rotate by ninety degrees intermittently.

[0034] The driving mechanism 5 includes a driving motor 51 fixedly connected to the bottom of the frame 1, a driving wheel fixedly connected to the output shaft of the driving motor 51, a slave gear meshed on the driving wheel, a connecting column fixedly connected to the center of the slave gear, a dial 52 fixedly connected to the connecting column, the dial 52 is rotatably connected to the positioning box, and convex locking arcs 521 are provided on both sides of the dial 52. Two toggle rods 522 are fixedly connected to the dial 52, and the toggle rods 522 are arranged perpendicular to the dial 52. Cylindrical pins 523 are fixedly connected to both sides of 22; a transmission shaft 53 is fixedly connected to the middle of the positioning platform 2, and a groove wheel 531 is fixedly connected to the transmission shaft 53. Four concave locking arcs 532 are provided on the groove wheel 531, and the concave locking arc 532 is used for the convex locking arc 521 on the dial 52 to be plugged in and clamped. Four radial grooves are provided on the groove wheel 531, and the centers of two adjacent radial groove guide groove wheels 531 form a ninety-degree right angle, and the radial grooves are used for the cylindrical pin 523 to be plugged in. When the driving motor 51 drives the active wheel to rotate, it can drive the dial 52 and the toggle rod 522 to rotate, so that the cylindrical pin 523 is engaged in the radial groove. The dial 52 drives the cylindrical pin 523 to rotate, which can drive the groove wheel 531 to rotate. When the cylindrical pin 523 is disengaged from the radial groove, the convex locking arc 521 of the dial 52 is engaged in the concave locking arc 532 of the groove wheel 531, and the groove wheel 531 is stationary and can control the positioning platform 2 to rotate exactly ninety degrees, so that the next mounting plate 21 can rotate to the position of the discharge door 11.

[0035] A locking cylinder 13 is fixedly connected to the frame 1, and a locking plate 131 is fixedly connected to the positioning table 2. The locking plate 131 is provided with a through hole 132 for inserting the piston rod of the locking cylinder 13; after the driving motor 51 drives the workbench to rotate ninety degrees, the piston rod of the locking cylinder 13 extends out and is inserted into the through hole 132 of the locking plate 131, thereby fixing the positioning table 2 to prevent the positioning table 2 from shaking during the processing of the flange fork by the broach 32.

[0036] The implementation principle of a flange fork end tooth pulling machine tool in the embodiment of the present application is as follows: first, the flange fork is installed on the clamping plate 22, the positioning column 42 is inserted into the flange fork, the thread 44 is driven to rotate, and when the sliding rod 45 is driven to move toward each other, the guide column 431 of the pressing rod 43 is pressed downward under the guiding action of the sliding groove 462, and the flange fork is pressed against the positioning seat 41; then the mounting plate 21 is installed on the positioning platform 2, so that the clamping column 24 and the limiting protrusion 241 of the mounting plate 21 extend from the mounting groove 23 to the accommodating cavity 20, and the tension of the locking spring 25 pushes the pressing rod 26 to slide to the top of the clamping column 24 to press the clamping column 24, so that the limiting protrusion 241 is clamped on the inner wall of the accommodating groove, and the clamping block 292 is clamped in the clamping groove 291 of the load-bearing block 29, so that the mounting plate 21 and the positioning platform 2 are connected and fixed.

[0037] The broach 32 processes the flange fork. After a part of the processing is completed, the motor drives the lead screw 212 to rotate, and the lead screw 212 drives the connecting rod 213 to move. The end of the connecting rod 213 slides in the guide groove 211, which can drive the clamping plate 22 to rotate, so that the remaining part of the flange fork rotates to abut against the broach 32. There is no need to remove the flange fork for rotation, thereby improving the processing efficiency of the flange fork.

[0038] When the flange fork is disassembled and assembled, the driving motor 51 is controlled to drive the active wheel to rotate, which can drive the dial 52 and the toggle rod 522 to rotate, so that the cylindrical pin 523 is engaged in the radial groove. The dial 52 drives the cylindrical pin 523 to rotate, which can drive the groove wheel 531 to rotate. When the cylindrical pin 523 is disengaged from the radial groove, the convex locking arc 521 of the dial 52 is engaged in the concave locking arc 532 of the groove wheel 531, and the groove wheel 531 is stationary, and the positioning platform 2 can be controlled to rotate exactly ninety degrees, so that the next mounting plate 21 can be rotated to the position of the discharge door 11, so as to facilitate the disassembly and installation of the flange fork.

[0039] 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 end tooth pulling machine tool, comprising a frame (1), characterized in that: A working chamber (12) is provided in the frame (1), and a positioning platform (2) is rotatably connected to the middle of the working chamber (12), the positioning platform (2) being arranged in a quadrangular prism shape, and a driving mechanism (5) for driving the positioning platform (2) to rotate ninety degrees is arranged at the bottom of the positioning platform (2); four side walls of the positioning platform (2) are detachably connected to a mounting plate (21), and a plurality of clamping mechanisms (4) having the same structure are arranged on the mounting plate (21), and the clamping mechanisms (4) can be used to fix the flange fork on the mounting plate (21); a broach (32) mechanism (3) is arranged on the inner wall of the frame (1) on both sides symmetrically of the working chamber (12), and each broach (32) mechanism (3) is provided with a plurality of broaches (32) corresponding one to one with the clamping mechanisms (4).

2. A flange fork end tooth pulling machine tool according to claim 1, characterized in that: One side of the mounting plate (21) is rotatably connected to a clamping plate (22), and the clamping mechanism (4) comprises a positioning seat (41) fixedly connected to the clamping plate (22), a positioning column (42) fixedly connected to the middle of the positioning seat (41), the positioning column (42) is used to be inserted into the flange fork, and the positioning seat (41) is hinged with a pressing rod (43) on both sides of the positioning column (42), and the pressing rod (43) is used to be clamped on both sides of the fork ears of the flange fork, and a driving component is provided on the positioning seat (41) for driving the pressing rod (43) to turn downward or outward around the hinge point to press or separate the flange fork.

3. A flange fork end tooth pulling machine tool according to claim 2, characterized in that: The driving assembly comprises a pair of threads (44) rotatably connected to the positioning seat (41), a sliding rod (45) is threadedly connected to the position near both ends of the pair of threads (44), the top of the sliding rod (45) is hinged to the end of the pressing rod (43), the top of the positioning seat (41) is fixedly connected to two guide plates (46), and the sliding rod (45) extends between the two guide plates (46); The guide plate (46) is provided with a guide groove (461), which is arranged parallel to the axial direction of the thread (44); a sliding column (451) is fixedly connected to the sliding rod (45), and the sliding column (451) is slidably connected in the guide groove (461); the guide plate (46) is provided with a sliding groove (462), which is arranged obliquely upward relative to the guide groove (461); the end of the pressing rod (43) is fixedly connected to the guide column (431), and the guide column (431) is slidably connected in the sliding groove (462).

4. A flange fork end tooth pulling machine tool according to claim 1, characterized in that: The mounting plate (21) is provided with a guide slot (211) which is arranged in an arc shape. A lead screw (212) is rotatably connected to the mounting plate (21). A slider is threadedly connected to the lead screw (212). A connecting rod (213) is hingedly connected to the slider. The end of the connecting rod (213) away from the slider passes through the guide slot (211) and is fixedly connected to the clamping plate (22). The mounting plate (21) is rotatably connected to the lead screw (212). A driving cylinder (215) is fixedly connected to the positioning platform (2). The cylinder body of the driving cylinder (215) is fixedly connected to the positioning platform (2). The end of the piston rod of the driving cylinder (215) is fixedly connected to a power motor (216). A friction disc active disc (217) is fixedly connected to the output shaft of the power motor (216). The end of the lead screw (212) is fixedly connected to a friction disc driven disc (218).

5. The flange fork end tooth pulling machine tool according to claim 1, characterized in that: The positioning platform (2) is provided with a receiving cavity (20), and four side walls of the positioning platform (2) are provided with mounting grooves (23). A clamping column (24) is fixedly connected to the side of the mounting plate (21) away from the clamping plate (22), and a limiting protrusion (241) is fixedly connected to the bottom of the clamping column (24). A locking spring (25) is fixedly connected to the top of the receiving cavity (20), and a pressure rod (26) is fixedly connected to one end of the locking spring (25) facing the mounting plate (21). The tension of the locking spring (25) pushes the pressure rod (26) to slide to the top of the clamping column (24) to fix the mounting plate (21) on the positioning platform (2).

6. A flange fork end tooth pulling machine tool according to claim 5, characterized in that: A material ejection groove (261) is clamped in the middle of the pressure rod (26), and an inclined surface is provided on the inner wall of the material ejection groove (261). An unlocking block (27) is fixedly connected to the side of the accommodating chamber (20) close to the mounting groove (23), and an unlocking chamber (271) is provided in the unlocking block (27). A reset spring (272) is fixedly connected to the unlocking chamber (271), and the reset spring (272) is vertically arranged. A push rod (273) is fixedly connected to the bottom of the reset spring (272), and the push rod (273) is vertically arranged. A material ejection cylinder (28) is fixedly connected to the side of the bottom of the accommodating chamber (20) close to the discharge door (11), and the cylinder body of the material ejection cylinder (28) is fixedly connected to the inner bottom wall of the accommodating chamber (20).

7. The flange fork end tooth pulling machine tool according to claim 1, characterized in that: Four load-bearing blocks (29) are fixedly connected to the outer wall of the positioning platform (2), and a clamping slot (291) is provided in the load-bearing block (29). Four clamping blocks (292) are fixedly connected to the side of the mounting plate (21) away from the clamping plate (22), and the clamping blocks (292) are used to be clamped in the clamping slot (291).

8. The flange fork end tooth pulling machine tool according to claim 1, characterized in that: The driving mechanism (5) comprises a driving motor (51) fixedly connected to the bottom of the frame (1); a driving wheel is fixedly connected to the output shaft of the driving motor (51); a slave gear is meshed on the driving wheel; a connecting column is fixedly connected to the center of the slave gear; a dial (52) is fixedly connected to the connecting column; the dial (52) is rotatably connected to the positioning box; external convex locking arcs (521) are arranged on both sides of the dial (52); two toggle rods (522) are fixedly connected to the dial (52); the toggle rods (522) are arranged perpendicular to the dial (52); and cylindrical pins (523) are fixedly connected to both sides of the toggle rods (522); A transmission shaft (53) is fixedly connected to the middle of the positioning platform (2), a groove wheel (531) is fixedly connected to the transmission shaft (53), four inwardly concave locking arcs (532) are provided on the groove wheel (531), and the inwardly concave locking arcs (532) are used for plugging and clamping the outwardly convex locking arcs (521) on the dial (52), and four radial grooves (533) are provided on the groove wheel (531), and the centers of two adjacent radial grooves (533) and the groove wheel (531) form a right angle of ninety degrees, and the radial grooves (533) are used for plugging the cylindrical pins (523).

9. A flange fork end tooth pulling machine tool according to claim 8, characterized in that: A locking cylinder (13) is fixedly connected to the frame (1), a locking plate (131) is fixedly connected to the positioning platform (2), and a through hole (132) for inserting a piston rod of the locking cylinder (13) is provided on the locking plate (131).

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