Motor end cover spraying equipment

By using a clamping frame, a steel wire structure, and a gear and rack transmission system, the problem of poor masking in the non-painted area of ​​the motor end cover was solved, achieving efficient painting and low-cost production.

CN223970177UActive Publication Date: 2026-03-06HUAIAN KEDI HARDWARE PLASTIC CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2026-03-06

AI Technical Summary

Technical Problem

In existing technologies, the non-painted areas of the motor end cap do not provide adequate masking, resulting in a large amount of tape used and increased production costs.

Method used

The motor end cover is fitted with a snap-fit ​​frame and a steel wire structure. It is inserted into the hole of the motor end cover through an interference fit. Combined with the gear and rack transmission system, the motor end cover can be flipped and the sprayed surface can be covered. The design of the sealing plate and support platform prevents paint leakage.

Benefits of technology

It improves the masking effect, reduces the amount of tape used, lowers production costs, and enhances the adaptability and ease of operation of the spraying equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses motor end cover spraying equipment, which relates to the technical field of motor production, and comprises a bottom box mechanism, the bottom box mechanism comprises a bearing box, an end cover transmission structure and a spraying structure are arranged above the bearing box, the end cover transmission structure comprises a connecting rod, one end of the connecting rod is in threaded connection with an assembly block, and the assembly block is in threaded connection with the bearing box. One end of the assembly block is fixedly connected with a clamping frame, and a steel wire is fixedly connected between the outer ring and the inner ring of the clamping frame and the outer surface of the assembly block. Through the arrangement of the clamping frame, the clamping frame and the motor end cover are installed in a matched mode, the non-spraying face of the motor end cover is shielded, and therefore spraying machining is facilitated; and meanwhile, the design can be repeatedly machined and used, the use cost is reduced, through threaded connection of the assembly block and the connecting rod, the clamping frame can be replaced and used according to different sprayed motor end covers so as to adapt to spraying machining of different motor end covers, adaptability is high, and use is convenient.
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Description

Technical Field

[0001] This utility model relates to the field of motor manufacturing technology, and in particular to a motor end cover spraying equipment. Background Technology

[0002] An electric motor is an electromagnetic device that converts or transmits electrical energy based on the law of electromagnetic induction. During the production process, the surface of an electric motor needs to be coated with anti-corrosion paint, and a rear cover installed at the back of the motor housing is commonly known as an end cover.

[0003] In the prior art, such as Chinese patent CN210815884U, a spraying device for end caps of a new energy drive motor is disclosed, including a frame and a storage box. Support legs are fixedly connected to the bottom left and right sides of the frame. An adjusting rod is fixedly connected to the top inner side of the frame. A spray gun is fixedly connected to the bottom end of the adjusting rod. A connecting pipe is fixedly connected to the left end of the spray gun. A storage box is fixedly connected to the other end of the connecting pipe. One end of the storage box is fixedly connected to the inner side of the frame. A support rod is fixedly connected to the inner side of the frame. A conveyor is slidably connected to the top inner side of the support rod. A hydraulic press is fixedly connected to the center of the inner side of the frame. A chuck is fixedly connected to the top of the hydraulic press.

[0004] However, in the existing technology, not the entire surface of the motor end cover needs to be painted. The areas connected to other motor components and the bolt holes are not painted. Therefore, these areas need to be masked before painting. Currently, the masking method is mostly to use tape. However, when applying tape, the masking effect is not good in places such as holes, and the tape cannot completely adhere to the motor end cover. In addition, this method requires a large amount of tape, which increases production costs. Utility Model Content

[0005] The purpose of this invention is to address the problem in the existing technology that not the entire surface of the motor end cover needs to be painted, and areas connected to other motor components and bolt holes are not painted. Therefore, these areas need to be masked before painting. Currently, masking is mostly done with tape, but the masking effect is not good when applying tape to holes and other areas, and the tape cannot completely adhere to the motor end cover. In addition, this method uses a large amount of tape, increasing production costs. Therefore, this invention proposes a motor end cover painting device.

[0006] To achieve the above objectives, this utility model adopts the following technical solution: a motor end cover spraying device, including a base box mechanism, the base box mechanism including a bearing box, an end cover transmission structure and a spraying structure arranged above the bearing box, the end cover transmission structure including a connecting rod, one end of the connecting rod being threadedly connected to an assembly block, one end of the assembly block being fixedly connected to a locking frame, the outer and inner rings of the locking frame being fixedly connected to the outer surface of the assembly block with steel wires, one side of the locking frame being fixedly connected to a protruding rod for insertion into a hole in the motor end cover, one end of the connecting rod being threaded, the middle of the assembly block being a threaded hole, the locking frame and the motor end cover being an interference fit, the steel wires, the locking frame, and the assembly block forming a triangular structure, which can increase the stability of use, and at the same time, the use of steel wires to connect the inner and outer rings of the locking frame will not affect the spraying of the motor end cover.

[0007] Preferably, the end cap transmission structure further includes a bearing block and a rack, the rack being fixedly connected to both sides of the middle portion of the upper end of the bottom box mechanism, and side grooves being provided above the middle portion of both sides of the bottom box mechanism.

[0008] Preferably, a conveyor chain is provided inside the side groove, and sprockets are rotatably connected to both sides of the middle part of the bottom box mechanism. The sprockets mesh with the conveyor chain, and the bearing block is fixedly connected to the outside of the conveyor chain.

[0009] Preferably, the other end of the connecting rod is rotatably connected to the bearing block, and a gear is installed on one side of the middle part of the connecting rod, the gear meshing with the rack.

[0010] Preferably, the spraying structure includes a spraying frame, which is fixedly connected to the carrier box. An inner connecting plate is fixedly connected to both sides of the middle part of the spraying frame, and a slot is provided in the lower middle part of the inner connecting plate.

[0011] Preferably, a central through block is engaged inside the slot, a connecting plate is installed on one side of the inner plate, the connecting plate is fixedly connected to the central through block, a second connecting port is fixedly connected to one side of the connecting plate, and a nozzle is fixedly connected to one side of the central through block.

[0012] Preferably, a support platform is fixedly connected to both sides of the lower middle part inside the carrier box, and a sealing plate is attached to the upper end of the support platform. A No. 1 connection port is fixedly connected to the lower middle part of both sides of the carrier box, and the No. 1 connection port is located below the sealing plate.

[0013] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0014] 1. In this utility model, the clamping frame is set up and installed in conjunction with the motor end cover to cover the non-painted surface of the motor end cover, thereby facilitating the spraying process. At the same time, this design can be repeatedly processed and used, reducing the cost of use. Through the threaded connection between the assembly block and the connecting rod, the clamping frame can be replaced according to the different motor end covers to be sprayed, so as to adapt to different motor end covers for spraying process. It has high adaptability and is easy to use.

[0015] 2. In this utility model, the gear and rack configuration enables the connecting rod to rotate when driven, thereby flipping the motor end cover to facilitate the spraying of the end cover. The sealing plate and the first connection port guide the sprayed paint towards the bottom box mechanism, thereby preventing paint leakage and ensuring the processing environment. The sealing plate and the support platform are installed by overlapping, which makes it easy to remove the sealing plate for cleaning. The second connection port is used to connect the pipe, and the nozzle is used to spray the paint. Attached Figure Description

[0016] Figure 1 This utility model provides a three-dimensional structural schematic diagram of a motor end cap spraying device;

[0017] Figure 2 This utility model provides a schematic diagram of the internal structure of the carrier box in a motor end cover spraying equipment;

[0018] Figure 3 This utility model provides an exploded view of a portion of the end cover transmission structure in a motor end cover spraying equipment.

[0019] Figure 4 An exploded view of the spraying structure in a motor end cover spraying equipment is provided for this utility model.

[0020] Legend:

[0021] 1. Bottom box mechanism; 11. Carrying box; 12. Side groove; 13. Conveyor chain; 14. Sprocket; 15. No. 1 connection port; 16. Sealing plate; 17. Support platform;

[0022] 2. End cap transmission structure; 21. Bearing block; 22. Connecting rod; 23. Gear; 24. Rack; 25. Engaging frame; 26. Steel wire; 27. Assembly block;

[0023] 3. Spraying structure; 31. Spraying rack; 32. Connecting plate; 33. No. 2 connection port; 34. Inner plate; 35. Slot; 36. Central block; 37. Nozzle. Detailed Implementation

[0024] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0025] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0026] Example 1: As Figure 1 - Figure 3 As shown, this utility model provides a motor end cover spraying device, including a base box mechanism 1. The base box mechanism 1 includes a carrier box 11. An end cover transmission structure 2 and a spraying structure 3 are arranged above the carrier box 11. The end cover transmission structure 2 includes a connecting rod 22. One end of the connecting rod 22 is threadedly connected to an assembly block 27. One end of the assembly block 27 is fixedly connected to a locking frame 25. The outer ring and inner ring of the locking frame 25 are fixedly connected to the outer surface of the assembly block 27 with steel wires 26. A protruding rod is fixedly connected to one side of the locking frame 25. The protruding rod is used to insert into the hole of the motor end cover. One end of the connecting rod 22 is threaded. The middle part of the assembly block 27 is a threaded hole. The locking frame 25 and the motor end cover are interference fit. The steel wires 26, the locking frame 25, and the assembly block 27 form a triangular structure, which can increase the stability of use. At the same time, the steel wires 26 are used to connect the inner ring and the outer ring of the locking frame 25, which will not affect the spraying of the motor end cover.

[0027] The specific settings and functions of this embodiment are described in detail below. The clamping bracket 25 is installed in conjunction with the motor end cover to cover the non-painted surface of the motor end cover, thereby facilitating the painting process. At the same time, this design can be repeatedly processed and used, reducing the cost of use. Through the threaded connection between the assembly block 27 and the connecting rod 22, the clamping bracket 25 can be replaced according to the different motor end covers to be painted, so as to adapt to different motor end covers for painting processes. It has high adaptability and is easy to use.

[0028] Example 2: Figure 1 - Figure 4As shown, the end cap transmission structure 2 also includes a bearing block 21 and a rack 24. The rack 24 is fixedly connected to the middle of both sides of the upper end of the bottom box mechanism 1. Side grooves 12 are opened above the middle of both sides of the bottom box mechanism 1. A conveyor chain 13 is arranged inside the side grooves 12. Sprockets 14 are rotatably connected to both sides of the middle of the bottom box mechanism 1. The sprockets 14 mesh with the conveyor chain 13. The bearing block 21 is fixedly connected to the outside of the conveyor chain 13. The other end of the connecting rod 22 is rotatably connected to the bearing block 21. A gear 23 is installed on one side of the middle of the connecting rod 22. The gear 23 meshes with the rack 24. The spraying structure 3 includes a spraying frame 31. The spraying frame 31 is fixedly connected to the bearing box 11. The spraying frame 31 contains... Both sides of the middle part of the bearing box 11 are fixedly connected to an inner plate 34. A slot 35 is opened in the lower middle part of the inner plate 34. A central block 36 is locked inside the slot 35. A connecting plate 32 is installed on one side of the inner plate 34. The connecting plate 32 is fixedly connected to the central block 36. A second connection port 33 is fixedly connected to one side of the connecting plate 32. A nozzle 37 is fixedly connected to one side of the central block 36. Both sides of the lower middle part of the bearing box 11 are fixedly connected to a support platform 17. A sealing plate 16 overlaps the upper end of the support platform 17. A first connection port 15 is fixedly connected to the lower middle part of both sides of the bearing box 11. The first connection port 15 is located below the sealing plate 16 and is used to connect to the air pump.

[0029] The overall effect of this embodiment is that, through the arrangement of gear 23 and rack 24, when the connecting rod 22 is driven, the connecting rod 22 is rotated, thereby flipping the motor end cover to facilitate the spraying of the end cover. Through the arrangement of sealing plate 16 and first connection port 15, the sprayed paint is guided towards the bottom box mechanism 1, thereby preventing paint leakage and ensuring the processing environment. The sealing plate 16 and the support platform 17 are installed in an overlapping manner, which makes it easy to remove the sealing plate 16 for cleaning. The second connection port 33 is used to connect the pipe, and the nozzle 37 is used to spray the paint.

[0030] The usage method and working principle of this device are as follows: When in use, select the appropriate clamping frame 25 according to the different motor end covers being processed, connect the connecting rod 22 to the assembly block 27, then connect the clamping frame 25 to the motor end cover, and then place the ends of the two connected rods 22 into the two bearing blocks 21 respectively. The connecting rods 22 are moved by the drive of the transmission chain 13. During this process, the gear 23 will mesh with the rack 24. When moving later, the clamping frame 25 will drive the motor end cover to rotate, and the nozzle 37 will spray paint onto the motor end cover to perform the spraying process.

[0031] The above are merely preferred embodiments of this utility model and are not intended to limit the utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this utility model without departing from the technical solution of this utility model shall still fall within the protection scope of this utility model.

Claims

1. A motor end shield painting apparatus comprising a shoe mechanism (1), characterized in that: The bottom box mechanism (1) includes a bearing box (11), the upper portion of the bearing box (11) is provided with an end cover transmission structure (2) and a spraying structure (3), the end cover transmission structure (2) includes a connecting rod (22), one end of the connecting rod (22) is threadedly connected with an assembly block (27), one end of the assembly block (27) is fixedly connected with a clamping frame (25), the outer ring, the inner ring of the clamping frame (25) and the outer surface of the assembly block (27) are fixedly connected with a steel wire (26), one side of the clamping frame (25) is fixedly connected with a convex rod.

2. A motor end bell painting apparatus as defined in claim 1, wherein: The end cover transmission structure (2) further includes a bearing block (21) and a rack (24), the rack (24) is fixedly connected on the middle portion of the upper portion of the bottom box mechanism (1) on both sides, the upper portion of the middle portion of the bottom box mechanism (1) on both sides is provided with a side groove (12).

3. A motor end bell painting apparatus as defined in claim 2, wherein: The inside of the side groove (12) is provided with a conveying chain (13), the middle portion of the bottom box mechanism (1) on both sides is rotatably connected with a chain wheel (14), the chain wheel (14) is engaged with the conveying chain (13), the bearing block (21) is fixedly connected on the outside of the conveying chain (13).

4. A motor end-shield painting apparatus as defined in claim 1, wherein: The other end of the connecting rod (22) is rotatably connected with the bearing block (21), the middle portion of the connecting rod (22) is installed with a gear (23), the gear (23) is engaged with the rack (24).

5. A motor end-shield painting apparatus as defined in claim 1, wherein: The spraying structure (3) includes a spraying frame (31), the spraying frame (31) is fixedly connected with the bearing box (11), the middle portion of the inside of the spraying frame (31) on both sides is fixedly connected with an inner connecting plate (34), the middle portion of the lower portion of the inner connecting plate (34) is provided with a clamping groove (35).

6. A motor end bell painting apparatus as defined in claim 5, wherein: The inside of the clamping groove (35) is clamped with a middle block (36), one side of the inner connecting plate (34) is installed with a communication plate (32), the communication plate (32) is fixedly communicated with the middle block (36), one side of the communication plate (32) is fixedly communicated with a second connecting port (33), one side of the middle block (36) is fixedly communicated with a nozzle (37).

7. A motor end-shield painting apparatus as defined in claim 1, wherein: The middle portion of the lower portion of the inside of the bearing box (11) on both sides is fixedly connected with a supporting table (17), the upper end of the supporting table (17) is overlapped with a sealing plate (16), the middle portion of the lower portion of the bearing box (11) on both sides is fixedly communicated with a first connecting port (15), the first connecting port (15) is located below the sealing plate (16).

Citation Information

Patent Citations

  • Novel end cover spraying device for driving motor

    CN210815884U