Conveyor Belt Transition Section for Damage-Free Sheet Transport
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Solution Overview
Problem
Conveyor belt assemblies for packaging materials face challenges in achieving high-speed transportation without damaging delicate materials, as higher speeds increase the risk of scratches, bends, or kinks due to protruding edges of support devices at pulleys.
Innovation Solution
A conveyor belt assembly design featuring a transition section with a retracted position relative to the middle section, creating a gap between the support devices and the packaging material, and optionally an angled or curved configuration to reduce contact risks, combined with a guide rail for precise positioning and support devices that follow the contour defined by the guide rail.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the conveying speed is increased to improve productivity, then the output increases, but the risk of damaging the packaging material increases due to protruding edges of support devices at pulleys
Solution Approach 1:
The patent introduces a transition section that changes the spatial dimension of the conveyor belt path. Instead of a direct horizontal path, the belt follows a curved trajectory with radius R that creates a retracted position, effectively adding a dimensional element to separate support devices from the material path during high-speed operation.
Solution Approach 2:
The transition section acts as an intermediary element between the pulley area and the middle section. This intermediary curved path allows the conveyor belt to smoothly transition while maintaining a retracted position of support devices, preventing direct contact with packaging material during the transition zone.
2Stability of the object's composition
If support devices are arranged rigidly on the conveyor belt to maintain stability, then the stability improves, but the edges protrude from the conveying surface at pulleys causing damage risk
Solution Approach 1:
By introducing the curved transition section with radius R, the patent creates a three-dimensional path that allows rigid support devices to follow a retracted trajectory. This dimensional change ensures that even rigid devices do not protrude into the material path during transitions, eliminating damage risk while maintaining stability.
Solution Approach 2:
The transition section is defined by a curved path with radius R, applying the principle of curvature to the conveyor belt layout. This curved geometry allows the belt and its attached support devices to smoothly transition while maintaining a safe distance from the packaging material, preventing edge protrusion and damage.
Data Source
AI summary
A conveyor belt assembly (10) for transporting single sheets or stacks of a packaging material is described. It comprises at least one conveyor belt (12a) being arranged over at least two pulleys (20a-20d), wherein at least one of the pulleys (20a-20d) is adapted to drive the conveyor belt (12a) in a conveying direction (15). Furthermore, the conveyor belt assembly (10) comprises a conveying section (22) adapted for transporting the sheets or stacks and a return section (24) adapted to return the conveyor belt (12a) from an end (22b) of the conveying section (22) to a beginning (22a) of the conveying section (22). The conveying section (22) is equipped with a middle section (26), in which the conveyor belt (12a) is arranged in a substantially flat manner, and at least one transition section (28) arranged between the middle section (26) and the respective pulley (20a-20d), with the conveyor belt (12a) being arranged in the transition section (28) in a retracted position with respect to a plane (26a) defined by the middle section (26).