CN219403114U

CN219403114U - Brushless motor pressing assembly device for production line

Info

Publication number: CN219403114U
Application number: CN202223601701.XU
Authority: CN
Inventors: 黄桂芸; 李勇; 马冬宝; 程雪梅
Original assignee: Beijing Polytechnic
Current assignee: Beijing Polytechnic
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-07-25
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a brushless motor press-fit assembly device for a production line, which belongs to the technical field of press-fit equipment and comprises a workbench, a press-fit bracket and a workpiece quick-change assembly, wherein the press-fit bracket is arranged on the upper end surface of the workbench; the workpiece quick-change assembly comprises a horizontal moving guide rail pair horizontally arranged at the front end of the pressing support, a sliding plate is arranged on a sliding block of the horizontal moving guide rail pair, two workpiece positioning blocks are arranged side by side along the moving direction of the sliding plate, a pushing cylinder is arranged on one side of the horizontal moving guide rail pair, and a piston rod of the pushing cylinder is connected with the sliding plate through a cylinder pushing plate. The utility model can realize quick replacement of the workpiece to be processed, reduce processing intermittence, ensure that the processing procedures are more coherent, realize alternate operation and improve the processing efficiency.

Description

Brushless motor pressing assembly device for production line

Technical Field

The utility model belongs to the technical field of pressing equipment, and particularly relates to a brushless motor pressing assembly device for a production line.

Background

The brushless motor generally comprises a stator, a rotor, a casing, two end covers and other parts, wherein the stator and the rotor are fixed in the casing, the two end covers are respectively arranged at two ends of the casing, and the lamination of the existing motor casing and the motor end covers is mostly manual operation. The motor end cover is generally placed at the top of the motor shell, and then the end cover is knocked in and fixed by a hammer. In order to improve production efficiency, a motor or an air cylinder is used for driving a pressing punch to press the workpiece. However, in the pressing process in the prior art, after the pressing operation is completed once, the processed workpiece is taken from the working position, and then a new workpiece to be processed is placed at the working position, so that the working interval is longer, the workpiece to be processed cannot be replaced quickly, and the processing efficiency is reduced; and the press-fit pressure and the press-fit depth cannot be monitored in the press-fit process, the workpiece is damaged or the press-fit is not in place due to the fact that the press-fit pressure is improper, the press-fit depth of the workpiece is inconsistent in the machining process, and the product quality cannot be guaranteed.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides a brushless motor pressing assembly device for a production line, which can realize rapid replacement of workpieces to be processed, reduce processing intermittence, ensure that processing procedures are more coherent, and realize alternate operation to improve processing efficiency.

The utility model is realized in such a way, the brushless motor pressing assembly device for the production line comprises a workbench, a pressing bracket and a workpiece quick-change assembly, wherein the pressing bracket is arranged on the upper end surface of the workbench, a screw nut pair and a driving motor for driving the screw nut pair are arranged on the pressing bracket positioned on the workpiece quick-change assembly side, a lifting plate is arranged on a nut of the screw nut pair, and a pressing punch is arranged on the lifting plate;

the workpiece quick-change assembly comprises a horizontal moving guide rail pair horizontally arranged at the front end of the pressing bracket, a sliding plate is arranged on a sliding block of the horizontal moving guide rail pair, two workpiece positioning blocks are arranged side by side along the moving direction of the sliding plate on the upper end face of the sliding plate, the workpiece positioning blocks are oppositely arranged below the pressing punch, a pushing cylinder is arranged on one side of the horizontal moving guide rail pair, and a piston rod of the pushing cylinder is connected with the sliding plate through a cylinder pushing plate.

Further, the outside terminal surface of lifter plate is gone up outwards to extend and is equipped with the installation department, be equipped with linear bearing on the installation department, be equipped with the guide post in the linear bearing, the guide post lower extreme is equipped with the mounting panel, the pressfitting drift sets up the lower terminal surface of mounting panel. Through guide post and the linear bearing that set up, can make the pressfitting drift at pressfitting process and work piece flexible contact, avoid the too big damage that causes pressfitting drift and work piece of pressure.

Further, a pressure sensor is arranged between the mounting plate and the mounting part. The pressure of the pressing punch in the pressing process can be detected, the monitoring of the pressure load in the pressing process is realized, the damage to the workpiece caused by overlarge pressure is avoided, the product yield is improved, meanwhile, the consistency of the pressure load in the pressing process can be ensured each time, the processed product standard is unified, and the product quality is ensured.

Further, a displacement sensor is arranged on the side wall of the lifting plate through a mounting block, and a sensor top block is arranged on the pressing support below the displacement sensor. The press-fitting depth in the press-fitting process can be detected, the consistency of the press-fitting depth in each press-fitting process is ensured, and the product quality is improved.

Further, the pressing supports positioned on the two sides of the screw nut pair are provided with vertical moving guide rail pairs, and two ends of the lifting plate are respectively connected with the sliding blocks of the vertical moving guide rail pairs. The vertical moving guide rail pair can play a role in linear guide, ensures the moving stability of the lifting plate in the pressing process, avoids the inclination of the pressing punch caused by the deviation of the lifting plate in the pressing process, and improves the product quality to ensure the working stability.

Further, a profiling groove matched with the shape of the workpiece is formed in the workpiece positioning block. The workpiece can be stably arranged in the workpiece positioning block, the workpiece is prevented from tilting in the pressing process, and the stability of the pressing process is ensured.

Further, limiting blocks are arranged at two ends of the horizontal moving guide rail pair, and limiting columns are arranged on the inner surfaces of the limiting blocks. The limiting block and the limiting column can enable the workpiece to accurately move to the working position in the pressing process, coaxiality of the workpiece and the pressing punch in the pressing process is guaranteed, and machining errors are avoided.

Further, two ends of a screw rod of the screw rod nut pair are arranged on the pressing support through fixing seats, and anti-collision blocks are arranged on the inner sides of the fixing seats. The nut of the screw-nut pair can be prevented from colliding with the fixing seat in the moving process through the arranged anti-collision block, so that the fixing seat is loosened, the service life of the whole structure is prolonged, and the perpendicularity of the screw-nut pair is guaranteed.

The utility model has the advantages and technical effects that: by adopting the technical scheme, the workpiece to be processed can be quickly replaced, the processing intermittence is reduced, the processing procedures are more coherent, and the alternate operation is realized, so that the processing efficiency is improved; the pressure sensor and the displacement sensor can monitor the press-fitting pressure and the press-fitting depth, ensure the press-fitting pressure load, avoid the damage of the workpiece or the insufficient press-fitting, ensure the consistency of the press-fitting depth of the workpiece in the processing process, and improve the product quality.

Drawings

FIG. 1 is a perspective view of an overall structure provided by an embodiment of the present utility model;

fig. 2 is a front view of the overall structure provided by an embodiment of the present utility model.

In the figure, 1, a workbench; 2. pressing the bracket; 3. a screw nut pair; 4. a driving motor; 5. a lifting plate; 51. a mounting part; 6. pressing a punch; 7. horizontally moving the guide rail pair; 8. a sliding plate; 9. a workpiece positioning block; 91. a simulated groove; 10. a pushing cylinder; 11. a cylinder push plate; 12. a linear bearing; 13. a guide post; 14. a mounting plate; 15. a pressure sensor; 16. a displacement sensor; 17. a sensor top block; 18. vertically moving the guide rail pair; 19. a limiting block; 20. a limit column; 21. a fixing seat; 22. an anti-collision block.

Detailed Description

The present utility model will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

As shown in fig. 1 and 2, the application provides a brushless motor pressfitting assembly device for producing line, including workstation 1, set up pressfitting support 2 and work piece quick change assembly at workstation 1 up end, be located work piece quick change assembly side be provided with screw nut pair 3 on pressfitting support 2 and be used for driving screw nut pair 3's driving motor 4, driving motor 4 is connected with screw in the screw nut pair 3 through the shaft coupling, screw nut pair 3's screw both ends pass through fixing base 21 setting on pressfitting support 2, fixing base 21's inboard is provided with crashproof piece 22. The nut of the screw-nut pair 3 can be prevented from colliding with the fixing seat 21 in the moving process by the aid of the arranged anti-collision block 22, so that the fixing seat 21 is loosened, the service life of the whole structure is prolonged, and the perpendicularity of the screw-nut pair 3 is guaranteed.

The nut of the screw-nut pair 3 is provided with a lifting plate 5, the pressing brackets 2 positioned on two sides of the screw-nut pair 3 are provided with a vertical moving guide rail pair 18, and two ends of the lifting plate 5 are respectively connected with the sliding blocks of the vertical moving guide rail pair 18. The vertical moving guide rail pair 18 can play a role in linear guide, ensure the moving stability of the lifting plate 5 in the pressing process, avoid the inclination of the pressing punch 6 caused by the deviation of the lifting plate 5 in the pressing process, and improve the product quality and ensure the working stability.

The lifting plate 5 is provided with a pressing punch 6. The outside terminal surface of lifter plate 5 is gone up and is outwards extended and is equipped with installation department 51, be equipped with linear bearing 12 on the installation department 51, be equipped with guide post 13 in the linear bearing 12, guide post 13 lower extreme is equipped with mounting panel 14, and specifically, linear bearing 12 and guide post 13 all are provided with two, and the both ends of mounting panel 14 set up on two guide posts 13. The press punch 6 is disposed on the lower end face of the mounting plate 14. Through guide post 13 and linear bearing 12 that set up, can make pressfitting drift 6 and work piece flexible contact at the pressfitting process, avoid the too big damage that causes pressfitting drift 6 and work piece of pressure. A pressure sensor 15 is arranged between the mounting plate 14 and the mounting part 51, and the model of the pressure sensor 15 is HZC-30A-20KG. The pressure of the pressing punch 6 in the pressing process can be detected, the monitoring of the pressure load in the pressing process is realized, the damage to workpieces caused by overlarge pressure is avoided, the product yield is improved, meanwhile, the consistency of the pressure load in each pressing process can be ensured, the processed product standard is unified, and the product quality is ensured.

The workpiece quick-change assembly comprises a horizontal moving guide rail pair 7 horizontally arranged at the front end of a pressing bracket 2, a sliding plate 8 is arranged on a sliding block of the horizontal moving guide rail pair 7, two workpiece positioning blocks 9 are arranged side by side along the moving direction of the sliding plate 8, the workpiece positioning blocks 9 are oppositely arranged below a pressing punch 6, a pushing cylinder 10 is arranged on one side of the horizontal moving guide rail pair 7, a piston rod of the pushing cylinder 10 is connected with the sliding plate 8 through a cylinder push plate 11, and the pushing cylinder 10 is used for pushing the sliding plate 8 to horizontally reciprocate on the horizontal moving guide rail pair 7. A profiling groove 91 matched with the shape of the workpiece is arranged in the workpiece positioning block 9. The workpiece can be stably arranged in the workpiece positioning block 9, the workpiece is prevented from tilting in the pressing process, and the stability of the pressing process is ensured. Limiting blocks 19 are arranged at two ends of the horizontal moving guide rail pair 7, and limiting columns 20 are arranged on the inner surfaces of the limiting blocks 19. In the moving process of the sliding plate 8, when the workpiece is propped against the limiting column 20, the workpiece positioning block 9 is just below the pressing punch 6, and the limiting block 19 and the limiting column 20 can enable the workpiece to accurately move to a working position in the pressing process, so that the coaxiality of the workpiece and the pressing punch 6 in the pressing process is ensured, and the machining error is avoided.

The side wall of the lifting plate 5 is provided with a displacement sensor 16 through a mounting block, the model of the displacement sensor 16 is LSM-0020, and a sensor top block 17 is arranged on the pressing support 2 below the displacement sensor 16. The press-fitting depth in the press-fitting process can be detected, the consistency of the press-fitting depth in each press-fitting process is ensured, and the product quality is improved.

During operation, two workpieces are respectively placed in profiling grooves 91 in two workpiece positioning blocks 9, a driving motor 4 is started, the driving motor 4 drives a screw in a screw-nut pair 3 to rotate, a nut in the screw-nut pair 3 drives a lifting plate 5 to move downwards in a vertical moving guide rail pair 18, a pressing punch 6 is driven to move downwards to press the workpieces in one workpiece positioning block 9, the pressing punch 6 presses the workpieces in the pressing process, a guide column 13 is pushed to move upwards in a linear bearing 12, a pressure sensor 15 is further pressed for a certain pressure, the pressure sensor 15 monitors the pressure load in the pressing process, the driving motor 4 stops rotating after a displacement sensor 16 contacts with a sensor top block 17, one-time pressing operation is completed, and the consistency of the pressing depth is ensured; after one pressing operation is completed, the driving motor 4 is reversed, the lifting plate 5 drives the pressing punch 6 to move upwards, the pushing cylinder 10 is started, the pushing cylinder 10 pushes the sliding plate 8 to horizontally move on the horizontal moving guide rail pair 7, the other workpiece positioning block 9 is located under the pressing punch 6, the driving motor 4 is started again to repeat the pressing procedure to press the workpiece in the other workpiece positioning block 9, and at the moment, an operator can replace the workpiece subjected to the pressing operation with the workpiece to be processed, so that the alternating operation is realized.

By adopting the technical scheme, the workpiece to be processed can be quickly replaced, the processing intermittence is reduced, the processing procedures are more coherent, and the alternate operation is realized, so that the processing efficiency is improved; the pressure sensor 15 and the displacement sensor 16 can monitor the press-fitting pressure and the press-fitting depth, ensure the press-fitting pressure load, avoid the damage of the workpiece or the insufficient press-fitting, ensure the consistent press-fitting depth of the workpiece in the processing process, and improve the product quality.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The brushless motor pressing assembly device for the production line is characterized by comprising a workbench (1), a pressing bracket (2) and a workpiece quick-change assembly, wherein the pressing bracket (2) is arranged on the upper end face of the workbench (1), a screw nut pair (3) and a driving motor (4) for driving the screw nut pair (3) are arranged on the pressing bracket (2) on the side of the workpiece quick-change assembly, a lifting plate (5) is arranged on a nut of the screw nut pair (3), and a pressing punch (6) is arranged on the lifting plate (5);

the quick workpiece replacing assembly comprises a horizontal moving guide rail pair (7) horizontally arranged at the front end of a pressing support (2), a sliding plate (8) is arranged on a sliding block of the horizontal moving guide rail pair (7), two workpiece positioning blocks (9) are arranged on the upper end face of the sliding plate (8) side by side along the moving direction of the sliding plate (8), the workpiece positioning blocks (9) are oppositely arranged below a pressing punch (6), a pushing cylinder (10) is arranged on one side of the horizontal moving guide rail pair (7), and a piston rod of the pushing cylinder (10) is connected with the sliding plate (8) through a cylinder pushing plate (11).

2. Brushless motor pressfitting assembly device for production line according to claim 1, characterized in that, outside terminal surface on lifter plate (5) outwards extends and is equipped with installation department (51), be equipped with linear bearing (12) on installation department (51), be equipped with guide post (13) in linear bearing (12), guide post (13) lower extreme is equipped with mounting panel (14), pressfitting drift (6) set up the lower terminal surface of mounting panel (14).

3. Brushless motor press-fit assembly device for a production line according to claim 2, characterized in that a pressure sensor (15) is arranged between the mounting plate (14) and the mounting part (51).

4. A brushless motor press-fit assembly device for a production line according to any one of claims 1 to 3, characterized in that a displacement sensor (16) is provided on a side wall of the lifting plate (5) through a mounting block, and a sensor top block (17) is provided on the press-fit bracket (2) located below the displacement sensor (16).

5. The brushless motor pressing assembly device for the production line according to claim 1, wherein vertical moving guide rail pairs (18) are arranged on pressing brackets (2) positioned on two sides of the screw-nut pair (3), and two ends of the lifting plate (5) are respectively connected with sliding blocks of the vertical moving guide rail pairs (18).

6. Brushless motor press-fit assembly device for production line according to claim 1, characterized in that the workpiece positioning block (9) is internally provided with a profiling groove (91) matched with the shape of the workpiece.

7. The brushless motor press-fit assembly device for the production line according to claim 1, wherein limiting blocks (19) are arranged at two ends of the horizontal moving guide rail pair (7), and limiting columns (20) are arranged on the inner surfaces of the limiting blocks (19).

8. Brushless motor pressfitting assembly device for production line according to claim 1, characterized in that the screw both ends of screw nut pair (3) are set up on pressfitting support (2) through fixing base (21), the inboard of fixing base (21) is provided with crashproof piece (22).