Mobile Drawing Unit for Precise Feeding of Oblong Metal Products
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Solution Overview
Problem
Existing apparatuses for working oblong metal products face challenges in achieving uniform feed, particularly when multiple products with non-identical cross-sections or deformities are processed, leading to significant scrap lengths and economic losses.
Innovation Solution
The apparatus features a mobile drawing unit with tracks and gripping means that can move toward or away from a work unit with a bending and cutting device. This setup allows for coordinated movement to minimize scrap length by optimizing the length of metal products worked and enabling precise alignment and cutting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a fixed drawing unit with tracks is used to ensure correct feed of metal product, then feed reliability is improved, but scrap length increases and productivity decreases
Solution Approach 1:
The drawing unit is made mobile along the feed direction through the introduction of a mobile support structure with rollers, allowing it to dynamically adjust its position. This enables the drawing unit to move forward after each cutting operation, reducing the minimum required length of metal product and thereby decreasing scrap length while maintaining reliable feed control.
2Manufacturing precision
If tracks are used to grip and draw metal product, then feed control is improved, but the effective length of workable product is limited
Solution Approach 1:
The mobile support structure allows the drawing unit to dynamically reposition itself along the feed direction. After each cutting operation, the drawing unit moves forward, effectively extending the usable length of each metal product and reducing the portion that becomes scrap, while maintaining precise feed control through the track system.
3Stability of the object's composition
If a fixed work unit is used for bending and cutting operations, then structural stability is improved, but adaptability to different product lengths decreases
Solution Approach 1:
The mobile support structure enables the drawing unit to adapt to different product lengths by moving forward after each operation. This dynamic positioning allows the system to process metal products of varying lengths efficiently, maximizing the utilization of each product while maintaining the structural stability of the fixed work unit for bending and cutting operations.
Data Source
AI summary
Apparatus (10) for working oblong metal products (P), comprising a drawing unit (11) for moving at least one of said metal products (P) in a direction of feed (Z), and a work unit (12) disposed downstream of said drawing unit (11), comprising a work plane (13) with which at least one bending device (14) and at least one cutting device (15) are associated. The present invention also concerns a corresponding method to work said metal products (P).