An AI-assisted wood grain imitation paint spraying device

By using an AI-assisted system to drive changes in air pressure in the spraying equipment, combined with the dynamic movement of the comb and displacement block, the problem of traditional spraying equipment being unable to simulate natural wood grain has been solved, achieving a highly realistic wood grain spraying effect and improving automation.

CN122352467APending Publication Date: 2026-07-10CHONGQING HAOFENG ALUMINUM CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CHONGQING HAOFENG ALUMINUM CO LTD
Filing Date
2026-05-27
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

Existing automatic spraying equipment cannot simulate the randomness and irregularity of natural wood grain during the imitation wood grain process, resulting in an overly uniform spraying effect with a strong mechanical feel, which requires manual touch-up or secondary processes, increasing costs.

Method used

The AI-assisted system outputs random air pressure signals to drive the internal mechanical structure of the nozzle, causing the nozzle cross-sectional shape to change in real time with the airflow strength. Through the cooperation of the comb and displacement block, the uniform and constant state is broken, and random and irregular textures are sprayed out.

Benefits of technology

It achieves a natural biomimetic wood grain effect with varying shades and random breaks in the grain, reducing the failure rate, improving the level of automation, and reducing manual intervention and costs.

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Abstract

This invention relates to the field of intelligent spraying equipment, specifically to an AI-assisted wood grain paint spraying device, comprising a robotic arm (12). The robotic arm's input end is communicatively connected to an AI-assisted system output end, which in turn is communicatively connected to a variable pressure air supply module input end. A nozzle assembly is fixedly connected to the bottom of the spraying component. The nozzle assembly includes a housing with an internal cavity. A first spring is fixedly connected to the inner wall of the cavity, and a compression block is fixedly connected to the other end of the first spring. The compression block can extend through the cavity into the housing. A rotating groove is formed on the inner wall of the cavity, and a transmission ring slides within the groove. Several toothed combs are hinged to the inner side wall of the transmission ring, and several comb holes are formed on the inner wall of the housing. This invention drives the internal mechanical structure of the nozzle to move, causing the nozzle cross-sectional shape to change in real time with the airflow strength, thus spraying a texture with randomness and irregularity.
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