CN220479918U - Punching device for transmission gear - Google Patents

Abstract

The utility model relates to the technical field of gear machining, and belongs to a punching device for a transmission gear, which comprises a base, wherein a punching machine is arranged above the right side of the upper end of the base; a cutter is fixedly arranged on the left side of the upper end of the base; a supporting cylinder is fixedly arranged on the left side of the upper end of the base; the upper end of the supporting cylinder is rotatably provided with a gear to be processed; a limiting assembly for fixing the gear to be processed is arranged on the base; the base is provided with a driving mechanism for driving the gear to be processed to rotate. Starting a second motor, enabling the second motor to enable the screw rod to rotate, enabling the screw rod to enable the first sliding block to move in opposite directions, enabling the first sliding block to drive the clamping plate to move to limit the gear to be processed, and enabling the punching machine to punch the gear to be processed; through first gear and second gear meshing rotation, the second gear drives first support ring rotation, and first support ring makes waiting to process the gear rotation, and the cutter is got rid of its burr in the rotation, has improved the quality that the gear punched a hole, has also improved work efficiency simultaneously.

Description

Punching device for transmission gear

Technical Field

The utility model belongs to the technical field of gear machining, and relates to a punching device for a transmission gear.

Background

The gear is a mechanical element on the rim, which is continuously engaged with the gear to transmit motion and power, so that the end face of the gear needs to be punched in order to reduce the weight of the gear and ensure the connection of the gear to be more stable, and a punching device needs to be used in the punching process.

The patent application document of the prior art CN217964288U discloses a gear punching device with a positioning mechanism, which comprises a machine table, a rotating mechanism and a punching mechanism, wherein the rotating mechanism and the punching mechanism are positioned on the machine table; the machine is also provided with a driving mechanism, so that the driving mechanism drives the stamping mechanism to transversely move to realize positioning and punching on the gear on the rotating mechanism; the machine table is provided with a chute, a supporting component is arranged in the chute, the gear is placed into the machine table, the positioning stamping mechanism is positioned through the driving mechanism, the gear is punched, and the punched material cannot be stored after punching, so that the gear is not easy to process; however, burrs still exist on the gear after punching and cannot be removed, so that the processing quality of the gear is affected; and the burrs need to be further processed, which is not beneficial to the working efficiency.

Prior art is CN 211679549U's application document discloses a punching device for gear machining, including plummer, motor and fastener, the left and right sides of plummer lower terminal surface all is fixed with the support, the upside of plummer rotates to be connected with puts the thing board, and has seted up the punching press hole on putting the thing board, the outside of putting the thing board is provided with the carriage, and the carriage is fixed in the left side of plummer up end, the lower terminal surface of slider is fixed with the pneumatic cylinder, and the downside of pneumatic cylinder is connected with the punching press piece through the piston rod. According to the punching device for gear machining, after a gear is fixed, a threaded rod is manually rotated, a sliding block can slide left and right under the rotation action of the threaded rod, so that a punching block is driven to move left and right until the punching block is positioned right above a corresponding punching hole, then the punching block can move downwards under the action of a hydraulic cylinder and a piston rod, so that punching is performed, burrs generated by punching can be reserved on the end face of the gear after the gear is punched, and the gear machining quality is low; and the burrs need to be further processed, so that the working efficiency is reduced.

In order to solve the problems, the utility model provides a punching device for a transmission gear.

Disclosure of Invention

In order to solve the problems in the background art, the utility model provides a punching device for a transmission gear.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a punching device for a transmission gear comprises a base, wherein a supporting plate is fixedly arranged above the right side of the upper end of the base, and a punching machine is fixedly arranged at the bottom end of the supporting plate; a cutter is fixedly arranged on the left side of the upper end of the base; the left side of the upper end of the base is fixedly provided with a supporting cylinder, the lower part of the base is provided with a collecting box, and the supporting cylinder penetrates through the base and stretches into the collecting box below the base; the axes of the punching machine and the supporting cylinder are positioned in the same vertical line; the upper end of the supporting cylinder is rotatably provided with a gear to be processed; a limiting assembly for fixing the gear to be processed is arranged on the base; the base is provided with a driving mechanism for driving the gear to be processed to rotate.

Further, the driving mechanism comprises a second gear and a first gear, and the first gear is rotatably arranged at the upper end of the base; the base is rotatably provided with a first supporting ring, the second gear is coaxially and fixedly sleeved on the outer circumferential surface of the first supporting ring, and the second gear is meshed with the first gear; the upper end of the first supporting ring is fixedly provided with a placing table, and a gear to be processed is placed on the placing table;

the base bottom end fixing sets up first motor, and the output of first motor passes base and first gear coaxial fixed connection.

Further, the limiting component comprises a clamping plate, and a first sliding groove is formed in the placing table; two clamping plates are arranged in the first sliding groove in a sliding manner, one clamping plate is arranged on the front side of the placing table in a sliding manner, and the other clamping plate is arranged on the rear side of the placing table in a sliding manner; the two clamping plates are symmetrical to the gear to be processed.

Further, a screw rod is rotatably arranged on the placing table, two ends of the screw rod are provided with a first sliding block, two ends of the screw rod are provided with threads, and the threads at the two ends are opposite in rotation direction; the screw rod is in threaded connection with the first sliding block; the first sliding blocks are in one-to-one correspondence with the clamping plates and are fixedly connected with the corresponding clamping plates;

the front side of the placing table is fixedly provided with a second motor, and the output end of the second motor penetrates through the placing table to be fixedly connected with the first sliding block in a coaxial mode.

Further, the driving mechanism comprises a third gear, a third motor is fixedly arranged on the base, and the third motor is vertically arranged; the third gear is coaxially and fixedly sleeved at the output end of the third motor;

a rotating column is rotatably arranged on the base, and a gear to be processed is coaxially sleeved on the upper part of the rotating column; the third gear is meshed with the gear to be processed.

Further, the limiting assembly comprises a second sliding block, a third sliding groove is formed in the rotating column, a third sliding block is arranged in the third sliding groove in a sliding mode, and a connecting rod is fixedly arranged at the upper end of the third sliding block;

the four second sliding blocks are arranged at the bottom end in the third sliding groove in a sliding manner, and the upper end of each second sliding block is arc-shaped; the lower end of the third sliding block is arc-shaped, and the second sliding block is matched with the third sliding block.

Further, four springs are fixedly arranged on the side wall of the lower portion of the third sliding groove, the springs are in one-to-one correspondence with the second sliding blocks, and the springs are fixedly connected with the corresponding second sliding blocks.

Compared with the prior art, the utility model has the following beneficial effects: starting a second motor, enabling the second motor to enable the screw rod to rotate, enabling the screw rod to enable the first sliding block to move in opposite directions, enabling the first sliding block to drive the clamping plate to move to limit the gear to be processed, and enabling the punching machine to punch the gear to be processed; through first gear and second gear meshing rotation, the second gear drives first support ring rotation, and first support ring makes waiting to process the gear rotation, and the cutter is got rid of its burr in the rotation, has improved the quality that the gear punched a hole, has also improved work efficiency simultaneously.

Drawings

FIG. 1 is a schematic view showing the external structure of embodiment 1 of the present utility model;

FIG. 2 is a schematic diagram of the driving mechanism according to embodiment 1 of the present utility model;

FIG. 3 is a schematic view showing the structure of a clamping plate in embodiment 1 of the present utility model;

FIG. 4 is a schematic overall structure of embodiment 2 of the present utility model;

FIG. 5 is a schematic view showing the structure of a rotary column according to embodiment 2 of the present utility model;

FIG. 6 is a schematic view showing the internal structure of a rotary column according to embodiment 2 of the present utility model;

fig. 7 is an enlarged view of fig. 6 at a in the present utility model.

In the figure: 1. a base; 2. a support column; 3. a support plate; 4. a punching machine; 5. a placement table; 6. a clamping plate; 7. a first motor; 8. a second motor; 9. a support base; 10. a gear to be processed; 11. a first chute; 12. an arc groove; 13. a second chute; 14. a screw rod; 15. a first gear; 16. a first support ring; 17. a second gear; 18. a first slider; 19. a cutter; 20. a support cylinder; 21. a third gear; 22. rotating the column; 23. a connecting rod; 24. a third motor; 25. a second support ring; 26. a second slider; 27. a third slider; 28. a spring; 29. and a third chute.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1 to 3, the technical scheme adopted by the utility model is as follows: a punching device for derailleur gear, includes base 1, and base 1 upper end right side is fixed to be set up support column 2, and support column 2 upper end is fixed to be set up backup pad 3, and one side bottom mounting that support column 2 was kept away from to backup pad 3 sets up punching machine 4. A placing table 5 is rotatably arranged above the left side of the upper end of the base 1, and a gear 10 to be processed is placed on the placing table 5. The placing table 5 is provided with a limiting component for preventing the gear 10 to be processed from moving in the punching process. A cutter 19 is arranged between the base 1 and the gear 10 to be processed, the cutter 19 is fixedly arranged at the upper end of the base 1, and the cutter 19 is matched with the gear 10 to be processed. The upper end of the base 1 is fixedly provided with a supporting cylinder 20. The axes of the support cylinder 20 and the punch 4 are positioned in the same vertical line. A collecting box is arranged below the base 1 and is positioned right below the supporting cylinder 20. The support cylinder 20 extends through the base 1 into the underlying collection box.

The base 1 is provided with a driving mechanism which is fixedly connected with the lower end of the placement table 5. The drive mechanism includes a first gear 15, a second gear 17. The first gear 15 is rotatably disposed at the upper end of the base 1. The upper end of the base 1 is rotatably provided with a first support ring 16, and the first support ring 16 is fixedly connected with the lower end of the placement table 5. The second gear 17 is coaxially and fixedly sleeved on the first support ring 16. The first gear 15 is meshed with the second gear 17. The bottom end fixing of base 1 sets up first motor 7, and the output of first motor 7 passes base 1 and coaxial fixed connection of first gear 15. The first motor 7 drives the first gear 15 to rotate.

The spacing assembly comprises a clamping plate 6. The two clamping plates 6 are arranged, the placing table 5 is provided with a first sliding groove 11, the two clamping plates 6 are arranged in the first sliding groove 11 in a sliding mode, one clamping plate 6 is arranged on the front side of the placing table 5 in a limiting sliding mode, the other clamping plate 6 is arranged on the rear side of the placing table 5 in a limiting sliding mode, and the two clamping plates 6 are symmetrical to the gear 10 to be processed in a front-back mode. Each clamping plate 6 is provided with an arc groove 12, and the arc grooves 12 are adapted to the gear 10 to be processed.

The placing table 5 is provided with a second chute 13, a screw rod 14 is rotationally arranged in the second chute 13, first sliding blocks 18 are arranged at two ends of the screw rod 14, threads are arranged at two ends of the screw rod 14, the threads are opposite in rotation direction, and the first sliding blocks 18 are in threaded connection with the screw rod 14. The screw 14 moves the first slider 18 toward each other. The first sliding blocks 18 are in one-to-one correspondence with the clamping plates 6, and the first sliding blocks 18 are fixedly connected with the corresponding clamping plates 6. The front side of the placing table 5 is fixedly provided with a supporting seat 9, the supporting seat 9 is fixedly provided with a second motor 8, and the second motor 8 is horizontally arranged. The output shaft of the second motor 8 passes through the placing table 5 and is fixedly connected with the screw rod 14 coaxially.

To sum up, the gear 10 to be processed is placed on the placing table 5, and the axis of punching of the gear 10 to be processed coincides with the axis of the punch 4.

The second motor 8 is started, the second motor 8 enables the screw rod 14 to rotate, the screw rod 14 enables the first sliding block 18 to move in the opposite direction, the first sliding block 18 carries the clamping plate 6 to slide in the opposite direction, the gear 10 to be processed is located in the circular arc groove 12, and the gear 10 to be processed is limited and prevented from moving. When the gear 10 to be machined is clamped by the clamping plate 6, the punch 4 is started, and the gear 10 to be machined is punched. The waste material from the punching is dropped into the collection tank by the support cylinder 20. When the punching is completed, the punch 4 is away from the gear 10 to be processed.

The first motor 7 is started, the first motor 7 drives the first gear 15 to rotate, the first gear 15 drives the second gear 17 to rotate, the second gear 17 drives the first support ring 16 to rotate, the first support ring 16 drives the placing table 5 to rotate, and the placing table 5 drives the gear 10 to be processed after punching is completed to rotate.

When the gear 10 to be processed after the punching is completed is rotated to the next punching position, the first motor 7 is stopped. The punch 4 is started again to punch the gear 10 to be processed. In the process of rotating the gear 10 to be machined, the cutter 19 performs burr treatment on the bottom surface of the gear 10 to be machined after punching, so that the quality of punching machining of the transmission gear is improved, meanwhile, the subsequent process of performing burr treatment on the gear 10 to be machined is reduced, and the machining efficiency is improved.

Example 2

As shown in fig. 4 to 7, only the differences from embodiment 1 are described here, and the remainder is not described in detail here.

A second support ring 25 is rotatably arranged on the base 1. The upper end of the base 1 is rotatably provided with a rotating column 22. The gear 10 to be processed is coaxially sleeved on the upper part of the rotating column 22, and the gear 10 to be processed is contacted with the upper end of the second supporting ring 25.

The drive mechanism comprises a third gear 21. The upper end of the base 1 is fixedly provided with a third motor 24, and the third gear 21 is coaxially and fixedly arranged at the output end of the third motor 24. The third gear 21 is engaged with the gear 10 to be processed to rotate it.

The spacing assembly includes a second slider 26. The upper part of the rotating column 22 is provided with a third sliding groove 29. A third slider 27 is provided in the third chute 29 so as to slide up and down, and the lower end of the third slider 27 is arc-shaped. The upper end of the third slide block 27 is fixedly provided with a connecting rod 23. The second sliders 26 are four, and the second sliders 26 include vertical blocks and horizontal blocks. The vertical blocks are all arranged at the bottom end in the third chute 29 in a sliding manner, and the horizontal blocks are fixedly arranged at the upper ends of the vertical blocks; the corner of the horizontal block fixedly connected with the vertical block is arc-shaped. The rotation column 22 is provided with four notches uniformly along the circumferential direction, and the notches are communicated with the third sliding groove 29. The horizontal blocks are in one-to-one correspondence with the notches, and the horizontal blocks are horizontally arranged in the corresponding notches in a sliding mode. The second slider 26 cooperates with the third slider 27 to move the second slider 26 outwardly.

Four springs 28 are fixedly arranged on the inner wall of the third sliding groove 29, and the springs 28 correspond to the vertical blocks of the second sliding block 26 one by one. One end of the spring 28 is fixedly connected with the side wall of the third chute 29, and the other end of the spring 28 is fixedly connected with the corresponding vertical block.

In summary, the gear 10 to be processed is sleeved on the rotating post 22, and the gear 10 to be processed contacts with the upper end of the second supporting ring 25. The connecting rod 23 is pressed, the connecting rod 23 moves downwards with the third sliding block 27, the lower end surface of the third sliding block 27 is matched with the second sliding block 26, and the third sliding block 27 pushes the second sliding block 26 to move outwards. The horizontal block extending slot of the second slider 26 is in contact with the upper end surface of the gear 10 to be processed. The gear 10 to be machined is fixed between the second support ring 25 and the rotating post 22.

After the gear 10 to be processed is fixed, the punch 4 is started, and the gear 10 to be processed is punched. When the punching of the gear 10 to be processed is completed, the punch 4 is away from the gear 10 to be processed. Then, the third motor 24 is started, the third motor 24 rotates the third gear 21, and the third gear 21 drives the gear 10 to be processed to rotate. Under the action of friction force, the gear 10 to be machined rotates the second slider 26, and the second slider 26 rotates the rotation post 22. While the gear 10 to be machined rotates the second support ring 25 under the effect of friction.

When the gear 10 to be machined rotates to the next punching position, the third motor 24 is stopped. The punch 4 is started again to punch the gear 10 to be processed. In the process of rotating the gear 10 to be processed, the cutter 19 performs burr treatment on the bottom surface of the gear 10 to be processed, so that the punching quality of the transmission gear is improved, the subsequent process of performing burr treatment on the gear 10 to be processed is reduced, and the processing efficiency is improved.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1. A punching device for a transmission gear, comprising: the device comprises a base (1), wherein a supporting plate (3) is fixedly arranged above the right side of the upper end of the base (1), and a punching machine (4) is fixedly arranged at the bottom end of the supporting plate (3); a cutter (19) is fixedly arranged on the left side of the upper end of the base (1); the left side of the upper end of the base (1) is fixedly provided with a supporting cylinder (20), the lower part of the base (1) is provided with a collecting box, and the supporting cylinder (20) penetrates through the base (1) and stretches into the collecting box below the base (1); the axes of the punching machine (4) and the supporting cylinder (20) are positioned in the same vertical line; the upper end of the supporting cylinder (20) is rotatably provided with a gear (10) to be processed; a limiting component for fixing the gear (10) to be processed is arranged on the base (1); the base (1) is provided with a driving mechanism for driving the gear (10) to be processed to rotate.

2. A punching device for a transmission gear according to claim 1, characterized in that: the driving mechanism comprises a second gear (17) and a first gear (15), and the first gear (15) is rotatably arranged at the upper end of the base (1); a first supporting ring (16) is rotatably arranged on the base (1), a second gear (17) is coaxially and fixedly sleeved on the outer circumferential surface of the first supporting ring (16), and the second gear (17) is meshed with the first gear (15);

the upper end of the first support ring (16) is fixedly provided with a placement table (5); the gear (10) to be processed is arranged at the upper end of the placing table (5);

the bottom end of the base (1) is fixedly provided with a first motor (7), and the output end of the first motor (7) penetrates through the base (1) and is fixedly connected with the first gear (15) in a coaxial mode.

3. A punching device for a transmission gear according to claim 2, characterized in that: the limiting component comprises a clamping plate (6), and a first sliding groove (11) is formed in the placing table (5); two clamping plates (6) are arranged, the two clamping plates (6) are both arranged in the first sliding groove (11) in a sliding mode, one clamping plate (6) is arranged on the front side of the placing table (5) in a sliding mode, and the other clamping plate (6) is arranged on the rear side of the placing table (5) in a sliding mode; the two clamping plates (6) are symmetrical to the front and the back of the gear (10) to be processed.

4. A punching device for a transmission gear according to claim 3, characterized in that: a screw rod (14) is rotatably arranged on the placing table (5), a first sliding block (18) is arranged at two ends of the screw rod (14), threads are arranged at two ends of the screw rod (14), and the threads at two ends are opposite in rotation direction; the screw rod (14) is in threaded connection with the first sliding block (18); the first sliding blocks (18) are in one-to-one correspondence with the clamping plates (6), and the first sliding blocks (18) are fixedly connected with the corresponding clamping plates (6);

the front side of the placing table (5) is fixedly provided with a second motor (8), and the output end of the second motor (8) passes through the placing table (5) and is coaxially and fixedly connected with the first sliding block (18).

5. A punching device for a transmission gear according to claim 1, characterized in that: the driving mechanism comprises a third gear (21), a third motor (24) is fixedly arranged on the base (1), and the third motor (24) is vertically arranged; the third gear (21) is coaxially and fixedly sleeved at the output end of the third motor (24);

a rotating column (22) is rotatably arranged on the base (1), and a gear (10) to be processed is coaxially sleeved on the upper part of the rotating column (22); the third gear (21) is meshed with the gear (10) to be processed.

6. A punching device for a transmission gear as in claim 5, wherein: the limiting assembly comprises a second sliding block (26), a third sliding groove (29) is formed in the rotating column (22), a third sliding block (27) is arranged in the third sliding groove (29) in a sliding mode, and a connecting rod (23) is fixedly arranged at the upper end of the third sliding block (27);

four second sliding blocks (26) are arranged, the four second sliding blocks (26) are arranged at the inner bottom end of the third sliding groove (29) in a sliding mode, and the upper end of each second sliding block (26) is arc-shaped; the lower end of the third sliding block (27) is arc-shaped, and the second sliding block (26) is matched with the third sliding block (27).

7. A punching device for a transmission gear as in claim 6, wherein: four springs (28) are fixedly arranged on the side wall of the lower portion of the third sliding groove (29), the springs (28) are in one-to-one correspondence with the second sliding blocks (26), and the springs (28) are fixedly connected with the corresponding second sliding blocks (26).