Conveyor Guide Rail Overlap for Printed Product Stability
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Solution Overview
Problem
Conveyor devices for printed products often experience noise and wear due to uneven transitions at the joints of guide channel sections and flanges, despite precise manufacturing and assembly techniques, leading to unstable operation.
Innovation Solution
The use of guide rail elements with excess length and adapter elements that provide a continuous, planar transition at the joints, ensuring a smooth and stable rolling surface by incorporating chamfers and force-fit connections to maintain the rolling surface's integrity across parting planes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If guide channel sections are connected via flanges with precise manufacturing and assembly techniques, then the transition between sections can be made continuous and step-free, but noise and wear still occur due to uneven transitions at the joints
Solution Approach 1:
The running surface elements are pre-positioned to extend beyond the parting planes of the flanges, creating an overlap region before assembly. This preliminary positioning ensures that when the guide channel sections are connected, the running surfaces already overlap, guaranteeing continuous contact for the guide rollers and eliminating gaps that would cause noise and wear.
Solution Approach 2:
The running surface elements act as intermediary components between the guide channel sections and flanges. By extending these elements beyond the parting planes, they mediate the transition between sections, providing a continuous rolling surface that absorbs assembly tolerances and prevents direct contact between discontinuous surfaces, thereby reducing noise and wear.
2Measurement precision
If the running surfaces are positioned with tolerance less than or equal to 0.02 mm, then a continuous transition is achieved, but the operation remains unstable due to wear and loosening at the joints
Solution Approach 1:
The invention changes the geometric parameter of the running surface elements by extending their length beyond the parting planes of the flanges. This parameter change creates an overlap region that transforms the joint from a potential discontinuity into a continuous transition zone, maintaining operational stability even with standard manufacturing tolerances.
Solution Approach 2:
The overlapping running surface elements create a cushioning effect at the joints. The extended elements absorb wear and loosening forces before they can affect the joint connection, providing beforehand cushioning that maintains operational stability over time despite the dynamic loads and wear inherent in conveyor operation.
3Stability of the object's composition
If adapter elements with chamfers are used to create a continuous planar transition, then the rolling surface integrity is maintained, but the device complexity increases
Solution Approach 1:
The invention merges the function of separate adapter elements into the running surface elements themselves. By integrating the transition functionality directly into the running surface elements and positioning them to overlap the flanges, the need for additional adapter elements is eliminated, maintaining rolling surface continuity while reducing device complexity.
Solution Approach 2:
The running surface elements serve multiple functions: they provide the rolling surface for guide rollers, ensure continuous transition between guide channel sections, and absorb wear and loosening forces. This multi-functionality eliminates the need for separate adapter elements, achieving rolling surface continuity without increasing device complexity.
Data Source
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AI summary
In a conveying system for the use of a transport element to convey printed products along a conveying direction, this conveying system consists of guide channel sections connected to one another via flanges. These guide channel sections are tunnel-shaped in the conveying direction and have a continuous opening on their underside, opposite the transport element which moves on rollers. This opening accommodates means that facilitate the direct and/or indirect conveying of the printed products along the conveying unit. Guide rail elements are arranged inside the guide channel sections and the flanges. These guide rail elements support running surface elements aligned with the transport element. The running surface elements are provided with means or measures via the guide channel channels and the associated flanges that ensure a continuous, planar transition of the running surface serving the transport element at the joints of the running surface elements.