Clinch Joining Head Kinematics for Faster Approach and Clearance
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Solution Overview
Problem
Existing joining tools face challenges with clearance issues and critical cycle times, characterized by long immersion or approach times of the joining tongs and prolonged clearance times.
Innovation Solution
A device with a movable base body relative to a holding section, featuring a control device that couples the movement of an actuating element to the base body, allowing for optimized movement and compensating movements during the joining process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the joining tongs are moved toward the component for joining operations, then the joining function can be performed, but the immersion or approach time becomes comparatively long
Solution Approach 1:
The base body is made movable relative to the holding section via a bearing point, allowing dynamic adjustment of the base body position. The control device couples the actuating element's linear movement to the base body's movement, enabling coordinated motion that reduces approach time while maintaining joining precision.
2Productivity
If the joining tongs are moved away from the component for clearance, then the joining operation completes, but the clearance time becomes comparatively long
Solution Approach 1:
The base body's movability relative to the holding section enables dynamic clearance operations. The control device ensures that the base body moves in coordination with the actuating element, allowing the joining tongs to clear the component more quickly after joining while maintaining proper positioning for the next operation.
3Loss of time
If the base body is made movable relative to the holding section, then the cycle time is optimized, but the device complexity increases
Solution Approach 1:
A control device acts as an intermediary mechanical coupling between the actuating element and the base body. This control device predetermines the base body's position based on the actuating element's position, enabling coordinated movement without requiring complex independent control systems for each component.
Data Source
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AI summary
The invention relates to a device for the clinch joining of a component, comprising: - a retaining portion (2), by means of which the device can be positioned at a holder in the environment; and - a main body (4) with a die unit and a punch unit, the main body being mounted on the retaining portion (2) by means of a bearing point (5), wherein a drive unit is provided which reversibly drives a linearly movable actuating element, which is coupled to a punch or to a die element, along a joining axis of the device in order to act on the component which is present between the punch unit and the die unit. According to the invention, the main body (4) can be moved relative to the retaining portion (2) by means of the bearing point (5), and a control apparatus (12) between the actuating element and the retaining portion (2) is designed such that the positioning of the main body (4) relative to the retaining portion (2) is set in accordance with the position of the actuating element along the joining axis as a result of the driven movement of the actuating element.