CN220006842U - Centering clamp for gear shaft of electric automobile transmission - Google Patents

Abstract

The utility model discloses a centering clamp for a gear shaft of an electric automobile transmission, and belongs to the technical field of gear shafts. A centering clamp for a gear shaft of an electric automobile transmission comprises a workbench, a stroke assembly, a clamping assembly and a clamp; the number of the clamping assemblies is two, and the clamping assemblies are slidably arranged on the upper end surface of the workbench; the clamping assembly is provided with an upper output end and a lower output end, the clamping assembly controls the upper output end and the lower output end to move in opposite directions, and the clamp is fixedly arranged on the upper output end and the lower output end of the clamping assembly respectively; the stroke component is fixedly arranged on the lower end surface of the workbench; the output end of the stroke component is fixedly connected with the clamping component to drive the clamping component to move; the utility model is provided with two groups of clamping assemblies, can clamp different segmented gear shafts, and can ensure the centering of the gear shafts through the clamps which move in an image manner, so that the condition that the two clamping ends are not flush is avoided, and the aim of centering is fulfilled.

Description

Centering clamp for gear shaft of electric automobile transmission

Technical Field

The utility model belongs to the technical field of gear shafts, and particularly relates to a centering clamp for a gear shaft of an electric automobile transmission.

Background

Gear shafts refer to mechanical parts that support and revolve with rotating parts to transmit motion, torque, or bending moment. Typically in the form of a metal round rod, the segments may have different diameters. The parts in the machine which perform the rotary motion are mounted on the shaft; in the machining process of the gear shaft, a clamp is usually required to clamp and fix the gear shaft, and a plurality of machining clamps for the gear shaft are available on the market, for example, the patent publication is CN215148441U; the patent name is a processing tool of the gear shaft; the machining tool comprises a base, wherein a first V-shaped block and a second V-shaped block are movably arranged on the base, a self-leveling assembly is arranged on the base, and the gear shaft is horizontally placed when being placed on the first V-shaped block; the base is provided with a moving assembly which drives the V-shaped block to move downwards to match with the V-shaped block to clamp the gear shaft; the machining tool for the gear shaft is different from the prior art in that the self-leveling assembly is arranged, the gear shaft can be horizontally placed through the matching movement of the first vertical rod and the second vertical rod and the cross rod, and the horizontal clamping of the gear shaft by the first V-shaped block and the second V-shaped block is realized through the arrangement of the adjusting assembly;

in the above patent; the two V-shaped blocks are connected by a movable plate, but the gear shafts on the market are segmented, the diameters of all the segments are different, and the fixed V-shaped blocks cannot be connected to stably clamp all the segments of the gear shafts, so that the condition of moving eccentricity is caused; therefore, an electric automobile transmission gear shaft centering clamp is provided.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a centering clamp for a gear shaft of an electric automobile transmission, which can realize stable centering clamping of the clamp on the positions of different diameters of the gear shaft.

The utility model relates to a centering clamp for a gear shaft of an electric automobile transmission, which comprises a workbench, a stroke assembly, a clamping assembly and a clamp; the number of the clamping assemblies is two, and the clamping assemblies are slidably arranged on the upper end surface of the workbench; the clamping assembly is provided with an upper output end and a lower output end, the clamping assembly controls the upper output end and the lower output end to move in opposite directions, and the clamp is fixedly arranged on the upper output end and the lower output end of the clamping assembly respectively; the stroke component is fixedly arranged on the lower end surface of the workbench; the output end of the travel component is fixedly connected with the clamping component to drive the clamping component to move.

As a further improvement of the utility model, the clamping assembly comprises a base, a clamping guide rail, a clamping motor, a clamping screw rod, an upper nut seat and a lower nut seat; the base is slidably mounted on the upper end surface of the workbench, the clamping guide rail is fixedly mounted on the upper end surface of the base, the clamping screw rod is rotatably mounted in the clamping guide rail, the clamping motor is fixedly mounted at one end of the clamping guide rail, and the output end of the clamping motor is connected with the clamping screw rod; the clamping screw rod is provided with a positive wire section and a negative wire section, the upper nut seat is sleeved on the positive wire section on the clamping screw rod, and the lower nut seat is sleeved on the negative wire section on the clamping screw rod; the clamp is fixedly arranged on the upper nut seat and the lower nut seat respectively.

As a further improvement of the present utility model, the clamp includes a link and a jaw; one end of the connecting rod is fixedly connected with the output end of the clamping assembly, the other end of the connecting rod is fixedly connected with the clamping jaw, and the clamping jaw is provided with a V-shaped clamping groove.

As a further improvement of the utility model, a rubber pad is arranged at the inner end surface of the V-shaped clamping groove.

As a further improvement of the utility model, the upper end surface of the workbench is provided with a guide groove, the two ends of the base are provided with guide blocks matched with the guide groove, and the guide blocks are slidably arranged in the guide groove.

As a further improvement of the utility model, the stroke assembly comprises a stroke guide rail, a stroke screw rod, a stroke motor and a stroke nut seat; the stroke guide rail is fixedly arranged on the lower end surface of the workbench, the stroke motor is fixedly arranged at one end of the row Cheng Daogui, the stroke screw rod rotates in the row Cheng Daogui, the output end of the stroke motor is connected with the stroke screw rod to drive the stroke screw rod to rotate, the stroke screw rod is provided with a positive wire section and a negative wire section, and the number of the stroke nut seats is two and is respectively sleeved on the positive wire section and the negative wire section of the stroke screw rod; the stroke nut seat is fixedly connected with the clamping component.

Compared with the prior art, the utility model has the advantages that:

1. the utility model is provided with two groups of clamping assemblies, can clamp different segmented gear shafts, and can ensure the centering of the gear shafts through the clamps which move in an image manner, so that the condition that the two clamping ends are not flush is avoided, and the aim of centering is fulfilled.

2. According to the utility model, the positive wire section and the negative wire section are arranged on the clamping screw rod, and the clamping motor can drive the clamping screw rod to rotate when rotating, so that the clamp is driven to move in opposite directions, and the aim of centering and clamping is realized.

3. According to the utility model, the V-shaped groove is arranged on the clamping jaw, so that the purpose of clamping the groove is realized, and meanwhile, the rubber pad is arranged in the V-shaped groove, so that the purpose of protecting the gear shaft can be achieved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

fig. 2 is a schematic structural diagram of the present utility model.

The reference numerals in the figures illustrate:

1. a work table; 2. a travel assembly; 201. a travel guide rail; 202. a stroke screw rod; 203. a travel motor; 204. a travel nut seat; 3. a clamping assembly; 301. a base; 302. clamping the guide rail; 303. clamping the motor; 304. clamping a screw rod; 305. an upper nut seat; 306. a lower nut seat; 4. a clamp; 401. a connecting rod; 402. a clamping jaw; 403. a V-shaped groove; 5. a rubber pad; 6. a guide groove; 7. and a guide block.

Detailed Description

First embodiment: referring to fig. 1-2, an centering fixture for a gear shaft of an electric automobile transmission comprises a workbench 1, a stroke assembly 2, a clamping assembly 3 and a fixture 4; the number of the clamping assemblies 3 is two, and the clamping assemblies 3 are slidably arranged on the upper end surface of the workbench 1; the clamping assembly 3 comprises a base 301, a clamping guide rail 302, a clamping motor 303, a clamping screw 304, an upper nut seat 305 and a lower nut seat 306; the base 301 is slidably mounted on the upper end surface of the workbench 1, the clamping guide rail 302 is fixedly mounted on the upper end surface of the base 301 through a screw, the clamping screw rod 304 is rotatably mounted in the clamping guide rail 302, the clamping motor 303 is fixedly mounted at one end of the clamping guide rail 302 through a screw, and the output end of the clamping motor 303 is connected with the clamping screw rod 304; the clamping screw rod 304 is provided with a positive wire section and a negative wire section, the upper nut seat 305 is sleeved on the positive wire section on the clamping screw rod 304, and the lower nut seat 306 is sleeved on the negative wire section on the clamping screw rod 304; the clamp 4 is fixedly arranged on the upper nut seat 305 and the lower nut seat 306 respectively; the clamp 4 can be driven to move oppositely by clamping the positive wire section and the negative wire section on the screw rod 304, so that the centering of the gear shaft is ensured; the clamp 4 comprises a connecting rod 401 and a clamping jaw 402; one end of a connecting rod 401 is fixedly connected with an upper nut seat 305 and a lower nut seat 306 through screws respectively, the other end of the connecting rod is fixedly connected with a clamping jaw 402 through screws, the clamping jaw 402 is provided with a V-shaped clamping groove 403, and the inner end surface of the V-shaped clamping groove 403 is fixedly provided with a rubber pad 5 through screws; the purpose of clamping is achieved through the V-shaped clamping groove 403, and meanwhile, the rubber pad 5 is arranged, so that the protection effect can be achieved.

The upper end surface of the workbench 1 is provided with a guide groove 6, both ends of the base 301 are provided with guide blocks 7 matched with the guide groove 6, and the guide blocks 7 are slidably arranged in the guide groove 6; the guide block 7 on the base 301 is matched with the guide groove 6 to play a role in limiting and guiding the movement of the base 301, so that the movement stability of the base 301 is ensured.

The stroke assembly 2 comprises a stroke guide rail 201, a stroke screw rod 202, a stroke motor 203 and a stroke nut seat 204; the stroke guide rail 201 is fixedly arranged on the lower end surface of the workbench 1 through screws, the stroke motor 203 is fixedly arranged at one end of the row Cheng Daogui 201 through screws, the stroke screw rod 202 rotates in the row Cheng Daogui, the output end of the stroke motor 203 is connected with the stroke screw rod 202 to drive the stroke screw rod 202 to rotate, the stroke screw rod 202 is provided with a positive wire section and a negative wire section, the number of the stroke nut seats 204 is two, and the stroke nut seats are respectively sleeved on the positive wire section and the negative wire section of the row Cheng Sigan 202; the stroke nut seat 204 is fixedly connected with the base 301 through screws; the travel motor 203 drives the travel screw rod 202 to rotate, so that the travel nut seat 204 is driven to move on the row Cheng Sigan 202, and the clamping assembly 3 is driven to move, and the purpose of adjusting the spacing between the clamping assemblies 3 is achieved. The gear shafts with different sizes are convenient to clamp and fix.

In the utility model, firstly, the stroke motor 203 is started to drive the stroke screw rod 202 to rotate, thereby driving the stroke nut seat 204 to move, further adjusting the distance between the clamping assemblies 3 to adapt to the gear shaft, and when the clamping motor 303 is started, the clamping screw rod 304 is driven to rotate, thereby driving the clamp 4 to move, realizing the purpose of clamping, and simultaneously, the clamp 4 moves in opposite directions, thereby realizing the purpose of centering the gear shaft and avoiding the unstable clamping.

Claims (6)

1. The utility model provides an electric automobile derailleur gear shaft centering anchor clamps which characterized in that: comprises a workbench (1), a travel assembly (2), a clamping assembly (3) and a clamp (4); the number of the clamping assemblies (3) is two, and the clamping assemblies (3) are slidably arranged on the upper end surface of the workbench (1); the clamping assembly (3) is provided with an upper output end and a lower output end, the clamping assembly (3) controls the upper output end and the lower output end to move oppositely, and the clamp (4) is fixedly arranged on the upper output end and the lower output end of the clamping assembly (3) respectively; the stroke component (2) is fixedly arranged on the lower end surface of the workbench (1); the output end of the travel component (2) is fixedly connected with the clamping component (3) to drive the clamping component (3) to move.

2. The electric automobile transmission gear shaft centering fixture of claim 1, wherein: the clamping assembly (3) comprises a base (301), a clamping guide rail (302), a clamping motor (303), a clamping screw rod (304), an upper nut seat (305) and a lower nut seat (306); the base (301) is slidably mounted on the upper end face of the workbench (1), the clamping guide rail (302) is fixedly mounted on the upper end face of the base (301), the clamping screw rod (304) is rotatably mounted in the clamping guide rail (302), the clamping motor (303) is fixedly mounted at one end of the clamping guide rail (302), and the output end of the clamping motor (303) is connected with the clamping screw rod (304); the clamping screw rod (304) is provided with a positive wire section and a negative wire section, the upper nut seat (305) is sleeved on the positive wire section on the clamping screw rod (304), and the lower nut seat (306) is sleeved on the negative wire section on the clamping screw rod (304); the clamp (4) is fixedly arranged on the upper nut seat (305) and the lower nut seat (306) respectively.

3. The electric automobile transmission gear shaft centering fixture of claim 1, wherein: the clamp (4) comprises a connecting rod (401) and a clamping jaw (402); one end of the connecting rod (401) is fixedly connected with the output end of the clamping assembly (3), the other end of the connecting rod is fixedly connected with the clamping jaw (402), and the clamping jaw (402) is provided with a V-shaped clamping groove (403).

4. The electric automobile transmission gear shaft centering fixture of claim 3, wherein: the inner end surface of the V-shaped clamping groove (403) is provided with a rubber pad (5).

5. The electric automobile transmission gear shaft centering fixture of claim 2, wherein: the upper end face of the workbench (1) is provided with a guide groove (6), two ends of the base (301) are provided with guide blocks (7) matched with the guide groove (6), and the guide blocks (7) are slidably arranged in the guide groove (6).

6. The electric automobile transmission gear shaft centering fixture of claim 1, wherein: the stroke assembly (2) comprises a stroke guide rail (201), a stroke screw rod (202), a stroke motor (203) and a stroke nut seat (204); the stroke guide rail (201) is fixedly arranged on the lower end surface of the workbench (1), the stroke motor (203) is fixedly arranged at one end of the row Cheng Daogui (201), the stroke screw rod (202) rotates in the row Cheng Daogui (201), the output end of the stroke motor (203) is connected with the stroke screw rod (202) to drive the stroke screw rod (202) to rotate, the stroke screw rod (202) is provided with a positive wire section and a reverse wire section, the number of the stroke nut seats (204) is two, and the stroke nut seats are respectively sleeved on the positive wire section and the reverse wire section on the row Cheng Sigan (202); the stroke nut seat (204) is fixedly connected with the clamping component (3).