A clamping device for polishing a stepping motor housing

By combining a protective cover, a telescopic push rod, and a rotating clamping component, the problems of waste chip splashing and unstable clamping in the stepper motor housing polishing device are solved, achieving efficient and stable housing polishing and adapting to the processing needs of housings of various specifications.

CN224544187UActive Publication Date: 2026-07-24CHANGZHOU VIC-TECH MOTOR TECH CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHANGZHOU VIC-TECH MOTOR TECH CO LTD
Filing Date
2025-10-17
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Existing stepper motor housing polishing devices suffer from problems such as waste chip splashing and unstable clamping during the polishing process, making it difficult to meet the processing needs of housings with multiple specifications and high precision.

Method used

It adopts a combination structure of protective cover, telescopic push rod, rotating clamping component and motor drive to prevent waste chips from splashing, and achieve stable clamping through telescopic push rod and rotating clamping component. Cleaning is carried out by cleaning scraper and rinsing hole, which can adapt to the processing of shells of different shapes.

Benefits of technology

It effectively prevents waste chips from splashing during polishing, improves clamping stability and cleanliness, adapts to the processing needs of various shell specifications, and enhances processing accuracy and appearance quality.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224544187U_ABST
    Figure CN224544187U_ABST
Patent Text Reader

Abstract

The utility model relates to motor shell clamping technical field especially steps motor shell polishing clamping equipment, including device body, the device body is rotationally connected with the protective cover, one side of device body is provided with telescopic push rod, the telescopic push rod is connected with extruding disc, the other side of device body is connected with the rotary block, the one side of rotary block is installed with rotary clamping piece, rotary clamping piece includes casing, clamping seat, clamping piece and limit rod, clamping seat swing joint is in the casing, the scheme has reduced the possibility that a large number of debris splashes everywhere in the process of polishing shell, has reduced the phenomenon that the shell is not stable due to the change of contact force in the polishing process produces, has improved the external protection effect of device, and can conveniently all -round flushes the spare part in the equipment, also has improved the effect that device steering is adjustable, so that can conveniently clamps the shell of different shapes, and the effect of supporting is better and is not easy to produce position deviation.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of motor housing clamping technology, and in particular to a clamping device for polishing stepper motor housings. Background Technology

[0002] As a critical protective component of the stepper motor, the surface finish of the stepper motor housing directly affects the motor's assembly accuracy, heat dissipation performance, and appearance quality. Therefore, polishing is a core step in housing processing. Current market demand for stepper motors shows a trend towards multi-specification and high precision, resulting in significant differences in housing size and shape, posing a challenge to the adaptability of polishing clamping equipment.

[0003] Chinese patent CN222289753U discloses a stepper motor housing polishing device. The device controls the clamping of the housing through the cooperation of springs and slide bars, and uses a suction cup to further stabilize the position of the housing. The device has a simple structure and is easy to operate. However, during the polishing process, due to the high polishing position, a large amount of waste will splash to the outside of the device, causing environmental pollution. Although the spring can clamp housings of different shapes, it is easy to cause instability of the housing during the polishing process. Therefore, a clamping device for polishing stepper motor housings is proposed. Summary of the Invention

[0004] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a clamping device for polishing the housing of a stepper motor.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A clamping device for polishing the housing of a stepper motor includes a device body with a protective cover rotatably connected to it. A telescopic push rod is provided on one side of the device body, and an extrusion plate is connected to the telescopic push rod. A rotating block is connected to the other side of the device body, and a rotating clamping component is installed on one side of the rotating block. The rotating clamping component includes a housing, a clamping seat, a clamping plate, and a limiting rod. The clamping seat is movably connected inside the housing, and the clamping plate and the limiting rod are respectively connected to both ends of the clamping seat. A rotating plate is connected to the outer side of the limiting rod.

[0006] Preferably, the protective cover is rotatably connected to the top surface of the device body, the protective cover covers the polishing area, the protective cover has multiple rinsing holes, and the outside of the rinsing holes is connected to an external pipe.

[0007] Preferably, multiple supports are installed at intervals inside the device body, and cleaning scrapers are movably connected to the supports. The inner wall of the device body is symmetrically provided with wall grooves, and the two ends of the cleaning scrapers are slidably connected in the wall grooves. A sliding groove is provided on one side of the device body, and the sliding groove is connected to one of the wall grooves. A sliding rod is movably connected in the sliding groove, and the bottom end of the sliding rod is fixed to one end of the cleaning scraper. A horizontal bar is installed in the sliding groove, and the sliding rod moves outside the horizontal bar.

[0008] Preferably, the telescopic push rod is installed on the outside of the device body, the telescopic end of the telescopic push rod extends into the device body, the extrusion disc is rotatably connected to the telescopic end of the telescopic push rod, top blocks are symmetrically installed on the top surface of the device body, a lead screw is connected between the top blocks, and a polishing component is threaded onto the lead screw.

[0009] Preferably, a second motor is also installed on one side of the device body, a toothed plate is connected to the output end of the second motor, and an external toothed ring is installed on the outer end of the rotating block, and the external toothed ring and the toothed plate mesh with each other.

[0010] Preferably, multiple clamping seats are provided, all annularly installed inside the housing. A clamping piece is screwed onto the inner end of each clamping seat, and a limit rod is horizontally installed on the outer end of each clamping seat. A limit ring is installed on the outer end of each limit rod. Multiple limit blocks are also installed inside the housing, corresponding to the positions of the clamping seats. A guide rod is installed on one side of each limit block, connected to the clamping seat. The limit blocks and clamping seats are connected by a spring. The rotating plate is connected to the rear side of the housing, and multiple limit grooves are formed on the rotating plate. The limit rings are connected within these grooves. An outer ring is installed on the rear side of the rotating plate. A first fixing rod is fixed to the rear side of the housing, with the other end of the first fixing rod mounted on a rotating block. The outer ring is rotatably connected to the outside of the first fixing rod. A second toothed ring is installed on the outer end of the outer ring. A first motor is mounted on the rotating block, and a toothed piece is installed on the output end of the first motor. The toothed piece and the second toothed ring mesh with each other.

[0011] The beneficial effects of this utility model are: This solution reduces the possibility of impurities splashing during the polishing process by using a protective cover. The telescopic push rod can easily push the shell tightly into the rotating clamping component, and the extrusion plate can rotate along with it. The first motor can drive the rotating plate to rotate, thereby controlling the telescopic adjustment of the clamping seat to complete the clamping of the shell.

[0012] This solution reduces the possibility of a large amount of debris flying everywhere during the polishing process, reduces the instability of the shell caused by changes in contact force during polishing, improves the external protection effect of the device, facilitates the all-round cleaning of the parts in the equipment, and improves the adjustable rotation effect of the device, thus making it easier to clamp shells of different shapes and providing better support to prevent positional deviation. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of a clamping device for polishing the housing of a stepper motor proposed in this utility model; Figure 2 This is a top view of a clamping device for polishing the housing of a stepper motor, as proposed in this utility model. Figure 3 This is a structural schematic diagram of the rotating block and rotating clamping component. Figure 4 This is a schematic diagram of the main structure of the rotating block and rotating clamping component. Figure 5 A schematic diagram of the front structure of the rotating plate and rotating clamping component; Figure 6 This is a schematic diagram of the rear structure of the rotating plate and the rotating clamping part; Figure 7 This is a schematic diagram of the structure of the clamping base and clamping plate.

[0014] In the diagram: 1. Device body; 2. Protective cover; 3. Support; 4. Slide groove; 5. Rotating block; 6. First motor; 7. Second motor; 8. Extrusion plate; 9. Telescopic push rod; 10. Top block; 11. Wall groove; 12. Cleaning scraper; 13. Rotating clamping component; 14. External toothed ring; 15. Rotating plate; 151. Limiting groove; 152. Outer ring; 16. Clamping plate; 17. Clamping seat; 18. Limiting rod; 19. Limiting block; 20. First fixing rod. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0016] Example: Refer to Figure 1-7A clamping device for polishing the housing of a stepper motor includes a device body 1, a protective cover 2 rotatably connected to the device body 1, a telescopic push rod 9 on one side of the device body 1, a pressing plate 8 connected to the telescopic push rod 9, a rotating block 5 connected to the other side of the device body 1, and a rotating clamping component 13 installed on one side of the rotating block 5. The rotating clamping component 13 includes a housing, a clamping seat 17, a clamping plate 16, and a limiting rod 18. The clamping seat 17 is movably connected inside the housing. The clamping plate 16 and the limiting rod 18 are respectively connected to the two ends of the clamping seat 17. A rotating plate 15 is connected to the outside of the limiting rod 18. The protective cover 2 is rotatably connected to the top surface of the device body 1. The protective cover 2 covers the polishing area and acts to prevent debris from splashing everywhere. The protective cover 2 has multiple rinsing holes, and the outside of the rinsing holes is connected to an external pipe for all-round rapid rinsing of the internal components.

[0017] Specifically, multiple brackets 3 are installed at intervals inside the device body 1. Cleaning scrapers 12 are movably connected to the brackets 3. Wall grooves 11 are symmetrically opened on the inner wall of the device body 1. The two ends of the cleaning scrapers 12 are slidably connected in the wall grooves 11. A sliding groove 4 is opened on one side of the device body 1. The sliding groove 4 is connected to one of the wall grooves 11. A sliding rod is movably connected in the sliding groove 4 to facilitate external driving of the cleaning scrapers 12 to clean the top surface of the brackets 3. The bottom end of the sliding rod is fixed to one end of the cleaning scraper 12. A horizontal bar is installed in the sliding groove 4, and the movement of the sliding rod is smoother when it moves outside the horizontal bar.

[0018] Furthermore, the telescopic push rod 9 is installed on the outside of the device body 1, and the telescopic end of the telescopic push rod 9 extends into the device body 1. The extrusion disc 8 is rotatably connected to the telescopic end of the telescopic push rod 9 to facilitate contact while rotating with the outer shell. Top blocks 10 are symmetrically installed on the top surface of the device body 1, and lead screws are connected between the top blocks 10. Polishing components are threaded onto the lead screws to facilitate left and right position adjustment.

[0019] Furthermore, a second motor 7 is installed on one side of the device body 1. A toothed plate is connected to the output end of the second motor 7. An external toothed ring 14 is installed on the outer end of the rotating block 5. The external toothed ring 14 and the toothed plate mesh with each other to rotate the rotating block 5, thereby rotating the polishing angle of the outer shell.

[0020] In this embodiment, multiple clamping seats 17 are provided, all annularly installed inside the housing. Clamping pieces 16 are screwed onto the inner ends of each clamping seat 17, allowing for easy disassembly of the clamping pieces 16 to clamp housings of different shapes. Limiting rods 18 are horizontally installed on the outer ends of each clamping seat 17, and limiting rings are installed on the outer ends of each limiting rod 18. Multiple limiting blocks 19 are also installed inside the housing, corresponding to the positions of the clamping seats 17. A guide rod is installed on one side of each limiting block 19, connected within the clamping seat 17. A spring connection exists between the limiting blocks 19 and the clamping seats 17 to reduce the frequency of loosening of the clamping seats 17. The rotating block 15 is connected to the rear side of the housing. Multiple limiting grooves 151 are opened on the rotating block 15, and the limiting rings are all connected in the limiting grooves 151. An outer ring 152 is installed on the rear side of the rotating block 15. A first fixing rod 20 is fixed on the rear side of the housing. The other end of the first fixing rod 20 is installed in the rotating block 5 to support the housing and facilitate the synchronous rotation of the two. The outer ring 152 is rotatably connected to the outside of the first fixing rod 20. A second toothed ring is installed on the outer end of the outer ring 152. A first motor 6 is provided on the rotating block 5. A toothed plate is installed on the output end of the first motor 6. The toothed plate and the second toothed ring mesh with each other to drive the rotating block 15 to rotate.

[0021] Working principle: When polishing the outer shell, the outer shell is placed into the rotating clamp 13. The clamping pieces 16 at different positions can be removed according to the shape of the outer shell to avoid interference during installation. After placement, the telescopic push rod 9 is extended to connect the extrusion plate 8 to one side of the outer shell. Then, the first motor 6 is controlled to rotate, and the outer ring 152 will rotate, driving the rotating piece 15 to rotate at a specified angle. The limit rod 18 will be adjusted, and the clamping seat 17 will be pressed downward. The clamping piece 16 is stably clamped on the outer shell. At this time, the protective cover 2 is closed. The outer shell can be polished using the lead screw and polishing assembly. The generated debris will be blocked by the protective cover 2. During the polishing process, the second motor 7 can be controlled to rotate, and the rotating block 5 will drive the rotating clamp 13 to rotate, thereby polishing different surfaces of the outer shell. After polishing, the internal parts can be directly rinsed, and the cleaning scraper 12 can be adjusted to clean the debris on the bracket 3.

[0022] The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0023] All standard parts used in this utility model can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here.

[0024] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A clamping device for polishing the housing of a stepper motor, characterized in that, include: The device body (1) is rotatably connected to a protective cover (2). A telescopic push rod (9) is provided on one side of the device body (1). An extrusion plate (8) is connected to the telescopic push rod (9). A rotating block (5) is connected to the other side of the device body (1). A rotating clamping component (13) is installed on one side of the rotating block (5). The rotating clamping component (13) includes a housing, a clamping seat (17), a clamping piece (16), and a limiting rod (18). The clamping seat (17) is movably connected inside the housing. The clamping piece (16) and the limiting rod (18) are respectively connected to the two ends of the clamping seat (17). A rotating piece (15) is connected to the outside of the limiting rod (18).

2. The clamping device for polishing a stepper motor housing according to claim 1, characterized in that, The protective cover (2) is rotatably connected to the top surface of the device body (1). The protective cover (2) covers the polishing area. The protective cover (2) has multiple rinsing holes, and external pipes are connected to the outside of the rinsing holes.

3. The clamping device for polishing a stepper motor housing according to claim 2, characterized in that, Multiple brackets (3) are installed at intervals inside the device body (1). A cleaning scraper (12) is movably connected to the bracket (3). Wall grooves (11) are symmetrically opened on the inner wall of the device body (1). The two ends of the cleaning scraper (12) are slidably connected in the wall grooves (11). A sliding groove (4) is opened on one side of the device body (1). The sliding groove (4) is connected to one of the wall grooves (11). A sliding rod is movably connected in the sliding groove (4). The bottom end of the sliding rod is fixed to one end of the cleaning scraper (12). A horizontal rod is installed in the sliding groove (4). The sliding rod moves outside the horizontal rod.

4. The clamping device for polishing a stepper motor housing according to claim 3, characterized in that, The telescopic push rod (9) is installed on the outside of the device body (1). The telescopic end of the telescopic push rod (9) extends into the device body (1). The extrusion plate (8) is rotatably connected to the telescopic end of the telescopic push rod (9). Top blocks (10) are symmetrically installed on the top surface of the device body (1). A lead screw is connected between the top blocks (10). A polishing component is threaded onto the lead screw.

5. A clamping device for polishing a stepper motor housing according to claim 4, characterized in that, A second motor (7) is also installed on one side of the device body (1). A toothed plate is connected to the output end of the second motor (7). An external toothed ring (14) is installed on the outer end of the rotating block (5). The external toothed ring (14) and the toothed plate mesh with each other.

6. The clamping device for polishing a stepper motor housing according to claim 5, characterized in that, Multiple clamping seats (17) are provided, all of which are annularly installed inside the housing. A clamping piece (16) is screwed onto the inner end of each clamping seat (17). A limit rod (18) is horizontally installed on the outer end of each clamping seat (17). A limit ring is installed on the outer end of each limit rod (18). Multiple limit blocks (19) are also installed inside the housing. The position of the limit blocks (19) corresponds to that of the clamping seats (17). A guide rod is installed on one side of each limit block (19). The guide rod is connected inside the clamping seat (17). The limit blocks (19) and the clamping seats (17) are connected by a spring. The rotating piece (15) is connected to the housing. On the rear side, the rotating plate (15) is provided with multiple limiting grooves (151), and the limiting rings are all connected in the limiting grooves (151). An outer ring (152) is installed on the rear side of the rotating plate (15). A first fixing rod (20) is fixed on the rear side of the housing. The other end of the first fixing rod (20) is installed on the rotating block (5). The outer ring (152) is rotatably connected to the outside of the first fixing rod (20). A second toothed ring is installed on the outer end of the outer ring (152). A first motor (6) is provided on the rotating block (5). A toothed plate is installed on the output end of the first motor (6). The toothed plate and the second toothed ring mesh with each other.