Double-sided adhesive attaching robot arm for PCB assembly
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Manual attachment of double-sided adhesive to printed circuit board assemblies (PCBAs) results in low accuracy and efficiency.
Innovation Solution
A double-sided adhesive attaching device comprising a driver, platform, and robot arm that places, strips protective films from, and secures double-sided adhesive onto PCBAs with high alignment accuracy, eliminating the need for manual operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If manual attachment method is used, then device complexity is low, but manufacturing precision and productivity are poor
Solution Approach 1:
The positioning structure enables self-alignment through cooperative positioning between the positioning holes on the adhesive tape and the positioning pins on the platform. The robot arm performs multiple operations (placement, protective film stripping, attachment) automatically without manual intervention, achieving high precision through automated control rather than complex mechanical positioning mechanisms
Solution Approach 2:
The patent replaces manual mechanical operations with an automated robot arm system controlled by a control unit. The robot arm uses vision guidance or preset coordinates to achieve precise positioning and attachment, substituting human skill-based manual operations with automated programmable systems that provide consistent high precision
2Productivity
If manual attachment method is used, then device complexity is low, but productivity is low
Solution Approach 1:
The patent combines multiple separate operations (adhesive tape placement, protective film stripping, and attachment) into a single integrated robot arm system. The robot arm performs all these operations sequentially without requiring manual intervention between steps, significantly improving productivity by eliminating transfer times and manual operation bottlenecks
Solution Approach 2:
The automated robot arm system enables continuous operation without the interruptions inherent in manual processes. The robot arm can continuously place adhesive tapes, strip protective films, and attach them to PCBAs in a seamless workflow, maximizing productivity through uninterrupted automated production
3Manufacturing precision
If automated robot arm is used, then productivity and manufacturing precision are improved, but device complexity increases
Solution Approach 1:
The robot arm is designed as a multi-functional device that can perform placement, protective film stripping, and attachment operations with a single tool. This universality reduces the need for multiple specialized devices, thereby limiting the increase in overall system complexity while maintaining high precision through automated control
Solution Approach 2:
The positioning structure acts as an intermediary mechanism that simplifies the complexity of achieving high precision. By using standardized positioning holes and pins that enable automatic alignment, the system achieves accurate positioning without requiring complex mechanical adjustment mechanisms or sophisticated control algorithms
4Manufacturing precision
If positioning structure is used to secure adhesive layer, then manufacturing precision is improved, but device complexity increases
Solution Approach 1:
The positioning structure enables self-alignment through the cooperative interaction between positioning holes on the adhesive tape and positioning pins on the platform. This self-positioning mechanism achieves high precision without requiring complex active control systems or sophisticated sensing mechanisms, thereby limiting the increase in device complexity
Data Source
Figure 1~2b
Figure 3a~3b
Figure 4a
AI summary
A device for attachment of double-sided adhesive includes a driver (10), a platform (20) and a robot arm (301, 302) provided above the platform (20). The robot arm (301, 302) is connected with the driver (10), and configured to place the double-sided adhesive (40) onto a preset position of the platform (20), strip off the first protective film (401) of the double-sided adhesive (40) at the preset position, press the printed circuit board assembly at the preset position against the double-sided adhesive (40) without the first protective film (401), and unload the printed circuit board assembly attached with the double-sided adhesive (40) from the preset position. A positioning structure (201) is provided at the preset position and configured to secure the adhesive layer and the second protective film (402) when the robot arm (301, 302) strips off the first protective film (401), and release the securing of the adhesive layer and the second protective film (402) when the double-sided adhesive (40) is attached to the printed circuit board assembly. The device improves the attaching efficiency and the attaching accuracy. A method for attachment of the double-sided adhesive is further provided.