Wire Fixing Assembly for Precise PCB Solder Positioning
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Solution Overview
Problem
Manual soldering of wires onto circuit boards is time-consuming and inefficient, as it requires manual insertion and holding of wires, which can lead to inaccurate positioning and reduced soldering quality.
Innovation Solution
A fixation apparatus with a base, wire fixing device, and pressing device that includes a moving unit with positioning grooves to accurately position and clamp wires within the circuit board's insertion holes, allowing for centralized alignment and efficient soldering.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual wire insertion and holding is performed, then the wire can be positioned in the insertion hole, but the process is time-consuming and reduces soldering efficiency
Solution Approach 1:
The wire fixing device automatically clamps the wire between the first positioning groove and the second positioning groove when the moving unit moves to the clamping position, eliminating the need for manual wire holding and enabling automated soldering processes
Solution Approach 2:
The wire is pre-positioned in the insertion hole between the first positioning groove and the second positioning groove before soldering, ensuring accurate central alignment is achieved in advance, which allows for efficient automated soldering without manual intervention during the soldering process
2Ease of operation
If manual wire holding is performed, then the wire can be held in the insertion hole, but accurate central positioning cannot be achieved
Solution Approach 1:
The first positioning groove and the second positioning groove are specifically designed with precise geometries to guide and constrain the wire to a predetermined central position within the insertion hole, ensuring accurate positioning through localized structural features rather than general manual holding
Solution Approach 2:
The positioning grooves automatically guide the wire into the correct central position through their geometric constraints, eliminating the need for operator skill and manual dexterity to achieve accurate positioning
3Ease of operation
If only one wire is held at a time manually, then the wire can be positioned, but the soldering efficiency is reduced
Solution Approach 1:
The wire fixing device with its positioning grooves and clamping mechanism is designed to handle multiple wires through automated positioning and clamping, allowing the same device structure to serve multiple wires in sequence or parallel, thereby improving overall soldering efficiency without sacrificing ease of operation
Data Source
AI summary
A fixation apparatus includes a base, a wire fixing device mounted on the base, and a pressing device mounted on the base. The wire fixing device positions and fixes a wire on a circuit board and includes a fixing frame mounted on the base and a moving unit received in a receiving chamber of the fixing frame. The fixing frame has a first positioning groove. The moving unit is movable between a clamping position and a release position and has a second positioning groove coupled with the first positioning groove. The wire is inserted into a wire insertion hole in the circuit board between the first positioning groove and the second positioning groove when the mobile unit is moved to the release position. The wire is clamped and fixed between the first positioning groove and the second positioning groove when the moving unit is moved to the clamping position.