Bale Press Tying Mechanism With Automatic Lace Replacement
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Solution Overview
Problem
Existing devices for pressing and tracting recyclable bales face issues with lace strand tears due to contaminants and high pressures, leading to incomplete wrapping of bales and requiring manual replacement, which is cumbersome and risky.
Innovation Solution
A device with swivel arms and a gripping mechanism that automatically detects torn lace strands, replaces them with new ones, and continues operation without interrupting the production process, thereby minimizing downtime and manual intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual replacement of torn tying material is implemented, then the tying process can be completed, but production downtime increases and operator safety risks increase
Solution Approach 1:
The device automatically detects torn tying material through sensors and triggers the replacement process without human intervention. The tying machine serves itself by automatically feeding new tying material and resetting the system, eliminating the need for operators to manually replace torn material and thereby reducing production downtime while maintaining safety.
Solution Approach 2:
Sensors continuously monitor the tying material for tears and provide feedback to the control system. When a tear is detected, the system automatically initiates the replacement sequence, creating a closed-loop control system that maintains continuous operation and minimizes downtime by responding immediately to tying material failures.
2Reliability
If manual replacement of torn tying material is implemented, then the tying process can be completed, but operator safety risks increase due to exposure to moving parts
Solution Approach 1:
The automatic replacement system eliminates the need for operators to reach into dangerous areas of the tying machine to replace torn material. The machine performs the replacement task itself through automated feeding mechanisms and sensor-triggered reset sequences, completely removing operators from harm's way while ensuring the tying process continues.
Solution Approach 2:
Sensors and automated feeding mechanisms act as intermediaries between the tying process and the operator. These intermediaries detect and respond to tying material tears without requiring direct operator intervention in the dangerous zone, thereby maintaining process completion while protecting operator safety.
3Productivity
If automatic detection and replacement system is implemented, then production continuity is improved, but device complexity increases
Solution Approach 1:
The system uses sensors to detect tying material tears and automatically triggers the replacement sequence through the control system. This feedback mechanism enables continuous production by immediately responding to failures, while the automated nature of the response minimizes the complexity that would otherwise require manual intervention systems.
Solution Approach 2:
The tying machine automatically detects and replaces torn material through integrated sensors and feeding mechanisms, maintaining production continuity without requiring complex external replacement systems. The self-service capability keeps the added complexity minimal while ensuring uninterrupted operation.
Data Source
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AI summary
A device (1) for pressing and tying bales of recyclable material (2) with tying means (3) is presented, comprising a pressing channel (4) and a pressing piston (5) mounted translationally in the pressing channel (4) for pressing the recyclable material bales, which for tying the pressed recyclable material bales (2) has on its bale-side end face for guiding each vertically movable tying tool (6) transporting each tying means (3), wherein each tying means (3) is guided below the pressing channel (4) around at least one deflecting means (7) and over the guide contour (8) of each guide element (9).The solution according to the invention consists in the device (1) having at least one pivot arm (11) rotatably mounted along a linear guide or about a rotational axis (10), which, in normal operation of the device (1), is in a guide position in which the lacing elements (3), each supplied through a tube (12) or a slot, are guided sliding along the at least one deflecting element (7) associated with the guide contour (8) of the guide element (9) and over the guide contour (8) of the guide element (9), wherein each pivot arm (11) has a gripping device (13) on the lacing element side for the automated fixing of a free end of a torn lacing element (3). Furthermore, a method for lacing bales of recyclable material (2) with such a device is described.