A paint spraying device for electric vehicle production

By designing a flow adjustment mechanism and an electric slider system, precise flow regulation and automated positioning of the spraying equipment in electric vehicle manufacturing have been achieved. This solves the problem of inaccurate flow control in traditional equipment, improves production efficiency and spraying quality, and is suitable for multi-variety, small-batch production.

CN224507356UActive Publication Date: 2026-07-17SICHUAN OULEQI NEW ENERGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SICHUAN OULEQI NEW ENERGY CO LTD
Filing Date
2025-08-11
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Traditional spraying equipment in electric vehicle manufacturing suffers from inaccurate flow control, leading to paint waste, uneven coating thickness, and complex operation, making it difficult to meet the production needs of multiple varieties, small batches, and personalized customization.

Method used

A painting device including a flow adjustment mechanism, an electric slider and a slide rail was designed. It adopts a polygonal center rod, a spring plate and a threaded drive to achieve precise flow regulation and automated positioning. Combined with a multi-point locking system of positioning sleeve and push spring, it ensures painting quality and production efficiency.

Benefits of technology

It achieves precise control of spraying flow, reduces paint waste, improves spraying quality and production efficiency, adapts to the needs of multi-variety, small-batch production, and meets the requirements of high-quality, high-efficiency and flexible production.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of paint spraying devices for electric vehicle production, including mounting bracket, and the bottom end of mounting bracket is fixedly provided with spray head, the spray head is provided with multiple groups and top end is all provided with flow adjusting mechanism, the flow adjusting mechanism includes connecting sleeve and adjusting sleeve, connecting sleeve is fixed in the top end of spray head, adjusting sleeve is rotatably installed in the top end of connecting sleeve, adjusting sleeve inboard is fixedly provided with linkage sleeve, linkage sleeve inboard is fixedly provided with center rod, connecting sleeve inboard is fixedly provided with support plate, support plate is rotatably connected with center rod, and the outer wall of center rod is slidably provided with transmission sleeve, the top end of transmission sleeve is connected with push sleeve, when operator rotates adjusting sleeve, transmission system can be driven to push push sleeve to slide along center rod by screw thread connection, and then the spiral plate is accurately extruded or loosened adjusting, so as to change the flow cross-sectional area between spiral plate, realize the real-time variable control of paint flow.
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Claims

1. A paint spraying device for the production of electric vehicles, comprising a mounting frame (1), characterized in that: The mounting bracket (1) is fixedly provided with a nozzle (2) at the bottom. The nozzle (2) is provided with multiple sets and each of them is provided with a flow adjustment mechanism at the top. The flow adjustment mechanism includes a connecting sleeve (3) and an adjusting sleeve (4). The connecting sleeve (3) is fixed at the top of the nozzle (2). The adjusting sleeve (4) is rotatably installed at the top of the connecting sleeve (3). A linkage sleeve (5) is fixedly provided inside the adjusting sleeve (4). A central rod (6) is fixedly provided inside the linkage sleeve (5). A support plate (7) is fixedly provided inside the connecting sleeve (3). The support plate (7) is rotatably connected to the central rod (6). A transmission sleeve (8) is slidably provided on the outer wall of the central rod (6). A push sleeve (9) is connected at the top of the transmission sleeve (8). A spiral plate (10) is connected between the push sleeve (9) and the inner wall of the connecting sleeve (3).

2. The paint spraying device for electric vehicle production according to claim 1, characterized in that: The top of the mounting bracket (1) is fixed with an electric slider (11), and an electric slide rail (12) is slidably connected to the outside of the electric slider (11).

3. The paint spraying device for electric vehicle production according to claim 2, characterized in that: The electric slide rail (12) is fixedly provided with a support frame (13) on the outside, and a conveyor platform (14) is fixedly provided at the bottom of the support frame (13). The top of the adjusting sleeve (4) is rotatably connected with an outer pipe (15).

4. The paint spraying device for electric vehicle production according to claim 3, characterized in that: The central rod (6) is polygonal and slidably connected to the transmission sleeve (8).

5. The paint spraying device for electric vehicle production according to claim 4, characterized in that: The spiral plate (10) is configured as a spring plate.

6. The paint spraying device for electric vehicle production according to claim 5, characterized in that: The outer wall of the transmission sleeve (8) is threadedly connected to the inner wall of the connecting sleeve (3).

7. The paint spraying device for electric vehicle production according to claim 6, characterized in that: A thrust bearing (16) is provided between the top surface of the transmission sleeve (8) and the push sleeve (9).

8. The paint spraying device for electric vehicle production according to claim 7, characterized in that: The bottom surface of the adjusting sleeve (4) is fixedly provided with a positioning sleeve (17). The inner side of the positioning sleeve (17) is provided with a sliding hole (18). The sliding hole (18) is provided with multiple sets and each of them is connected with a push spring (19). The bottom end of each of the multiple sets of push springs (19) is fixedly provided with a positioning block (20). The outer wall of the connecting sleeve (3) is provided with a positioning groove (21). The positioning groove (21) is provided with multiple sets and each of them abuts against the multiple sets of positioning blocks (20).