Automatic Brake Caliper Spraying Device with Semi-Annular Sleeve
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Solution Overview
Problem
Current methods for painting automobile brake calipers are labor-intensive, complex, and prone to uneven coating and health hazards due to manual operation and lack of efficient mist containment.
Innovation Solution
An automatic paint spraying device with a semi-annular structure, bidirectional resistance rotation, and electrode effect, utilizing a semi-annular spraying sleeve, contact-stop side blocking mechanism, wheel-back shielding assembly, and airflow fog-guiding mechanism to adapt to the brake caliper's shape and prevent mist diffusion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If manual spraying is used to paint the brake caliper, then the operation is simple and does not require complex equipment, but the painting quality is uneven and it is easy to spray paint onto other areas of the vehicle
Solution Approach 1:
The brake caliper is divided into multiple surfaces (front, back, left, right) that are painted sequentially through rotation, allowing each surface to receive focused, uniform spraying attention
Solution Approach 2:
The brake caliper is rotated dynamically during the painting process to present different surfaces to the spray gun, enabling uniform coating across all surfaces while maintaining simple manual operation
2Manufacturing precision
If the brake caliper is disassembled for painting, then the painting can be more precise and controlled, but the process becomes very complicated and time-consuming with intensive labor
Solution Approach 1:
The painting device is designed to handle the entire brake caliper assembly (including the brake disc connection) in one piece, making the device universal for complete caliper painting without requiring disassembly of the caliper from the brake disc
Solution Approach 2:
The brake caliper is positioned and secured on the rotating fixture before painting begins, allowing the entire assembly to be painted in one continuous rotation process without stopping for repositioning or disassembly
3Object-affected harmful factors
If covering material is used to protect surrounding areas, then paint spray contamination is reduced, but the painting process becomes very complex and gaps in the covering material cause paint to spray onto other areas
Solution Approach 1:
The harmful spray mist is extracted and removed from the working area using a vacuum suction device positioned near the spray gun, preventing contamination without requiring extensive covering of the surrounding area
Solution Approach 2:
A vacuum suction system acts as an intermediary between the spray gun and the surrounding environment, capturing spray mist at the source and transporting it away, thereby protecting surrounding areas without physical barriers
4Device complexity
If manual spraying is used, then no special equipment is needed, but the spray generated has huge impacts on the health of the operator
Solution Approach 1:
A vacuum suction system serves as an intermediary that captures spray mist at the source near the spray gun, preventing operator exposure without requiring the operator to wear extensive protective equipment or work in a fully enclosed booth
Solution Approach 2:
The passive protective approach (enclosed booths, extensive covering) is replaced with an active extraction system that mechanically removes harmful spray mist from the workspace, reducing operator exposure while maintaining equipment simplicity
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Significantly improves painting efficiency, reduces mist adherence, and enhances safety by ensuring uniform coating and minimizing health risks through adaptive design and negative pressure diversion.
Implementation Method 1
The airflow fog-guiding mechanism is fixedly penetrating through the side wall of the semi-annular spraying sleeve
Implementation Method 2
The device combines physical blocking, negative pressure drainage and electrode effect for painting automobile brake calipers
Data Source
AI summary
An automatic paint spraying device for automobile painting comprises a positioning operation base, semi-annular spraying sleeve, contact-stop side blocking mechanism, wheel-back shielding assembly and airflow fog-guiding mechanism. The semi-annular spraying sleeve is rotatably provided on the sidewall of the positioning operation base; the contact-stop side blocking mechanism is slidably clamped on the inner wall of the semi-annular spraying sleeve in an arc shape; the wheel-back shielding assembly is provided on the edge of the end side wall of the semi-annular spraying sleeve; and the airflow fog-guiding mechanism is fixedly penetrating through the sidewall of the semi-annular spraying sleeve. The invention combines physical blocking, negative pressure drainage and electrode effect, which improves wrapping efficiency through the semi-annular wrapping method, allows smooth entry of brake caliper through the bidirectional resistance rotation structure, and achieves automatic stop through rotation effect, significantly improving painting efficiency and reducing painting mist diffusion.