Riveting Machine With Transverse Clamp Offset Around Obstacles
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Solution Overview
Problem
Existing riveting machines face challenges when obstacles are present on the drilling axis, preventing the lower sheet clamp from aligning properly and requiring multiple machines or tools for drilling and riveting operations, which increases time and complexity.
Innovation Solution
A riveting machine design that allows for transverse mobility of the sheet clamps, enabling the lower clamp to offset and circumvent obstacles, allowing for drilling and riveting operations without direct alignment, and includes motorized movement systems for precise positioning and operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the lower sheet clamp is aligned coaxially with the drilling axis, then the drilling operation can be performed, but the operation cannot proceed when an obstacle is present on the drilling axis
Solution Approach 1:
The lower sheet clamp is made movable relative to the drilling axis, allowing it to be dynamically repositioned laterally to bypass obstacles during drilling operations, rather than being fixed in a coaxial position
Solution Approach 2:
The solution introduces lateral movement (transverse dimension) of the lower sheet clamp relative to the drilling axis, allowing the clamp to move out of the drilling axis path to avoid obstacles while maintaining drilling capability
2Productivity
If multiple machines are used to handle obstacles during drilling, then all drilling operations can be performed, but the device complexity and time increase
Solution Approach 1:
The drilling machine is designed with a movable lower sheet clamp that can handle both normal coaxial drilling and obstacle avoidance scenarios, making the machine universal for all drilling operations regardless of obstacle presence
Solution Approach 2:
The functions of multiple specialized machines (coaxial drilling machine and obstacle-handling machine) are merged into a single machine by equipping it with a lower sheet clamp that can adapt its position to handle both drilling scenarios
3Productivity
If the lower sheet clamp is repositioned laterally to bypass obstacles, then drilling can continue, but the alignment with the passage orifice becomes misaligned
Solution Approach 1:
The lower sheet clamp's lateral position is dynamically adjusted based on obstacle presence, allowing temporary misalignment during obstacle avoidance while maintaining functional capability
Solution Approach 2:
The movable lower sheet clamp acts as an intermediary element that can be positioned flexibly to bypass obstacles while the drilling tool maintains alignment with the passage orifice through independent positioning
Data Source
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AI summary
The invention relates to a riveting machine comprising a piercing tool (52), an upper clamp (71) and a lower clamp (21), which are mounted with the ability to move relative to one another in the direction of the said clamps (71, 21) moving closer together, an upper snap (51) and a lower snap (29) for upsetting a rivet placed in an orifice formed through the workpieces (8) that are to be riveted. The upper clamp (71) has a through-orifice (72) opposite which the piercing tool (52) is able to be positioned so as to allow the said piercing tool (52) to pierce a region of the said workpieces (8) which are clamped between the upper clamp (71) and the lower clamp (21). The upper clamp (71) and the lower clamp (21) are mounted with the ability to move relative to one another in a direction transverse to the axis of piercing. The invention also relates to a riveting method.