Supply device for automatic material change for extruders

EP4537048A1Pending Publication Date: 2025-04-16CONTINENTAL REIFEN DEUTSCHLAND GMBH
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Patent Information

Application Number
EP2023726909
Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
Priority Date
2022-06-13
Filing Date
2023-05-10
Publication Date
2025-04-16

AI Technical Summary

Technical Problem

The rubber processing industry faces inefficiencies and safety concerns due to the manual handling and material changes in extruder systems, which are physically demanding, time-consuming, and prone to errors, leading to productivity losses and increased risk of occupational hazards.

Method used

A supply device equipped with a height determination unit, end section identification unit, receiving unit, movement unit, and control unit automates the transfer of web-shaped materials from a material stack to a conveyor device, enabling precise and efficient material changes without manual intervention.

Benefits of technology

This solution reduces physical and psychological strain on workers, enhances process reliability, increases productivity, and ensures continuous material supply, while minimizing the risk of errors and improving work safety.

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Abstract

The invention relates to a supply device (10) for transferring a web-like material (12) from a material stack (14) to a conveying device (16), comprising: a) a height determination unit (18), wherein the height determination unit (18) is designed to determine the height of the material stack (14); b) an end portion identification unit (20a, 20b), wherein the end portion identification unit (20a-b) is designed to identify the position of an end portion (22a, 22b) of the web-like material (12) in the material stack (14); c) a receiving unit (24), wherein the receiving unit (24) is designed such that, upon contact with the web-like material (12), a reversibly and non-destructively releasable connection to the web-like material (12) can be produced; d) a movement unit (26), wherein the movement unit (26) is designed to move the receiving unit (24) in a contacting direction in order to produce contact with the web-like material (12) and is designed to move the receiving unit (24) in at least one direction transverse to the contacting direction; and e) a control unit for controlling the supply device (10).
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