Conveyor Transfer Guard Protrusion Array to Reduce Label Adherence
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Solution Overview
Problem
Existing transfer guard systems are ineffective in preventing labels from adhering to the upper surface of transfer guard members when objects traverse longer gaps between conveying surfaces, leading to increased friction and label detachment.
Innovation Solution
A transfer guard member with a unitary, one-piece body featuring an array of tightly packed protrusions that minimize the surface area for label adherence, and a detachable connection mechanism to ensure secure attachment to an elongate mounting member.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the gap between conveying surfaces is increased to accommodate larger objects, then the conveying capacity is improved, but the likelihood of labels adhering to the transfer guard member increases due to longer travel distance
Solution Approach 1:
The transfer guard member features localized protrusions that create specific contact points with the object, concentrating the supporting function in discrete locations rather than across a continuous surface. This localized quality reduces the total surface area available for label adherence while maintaining adequate support for objects traversing larger gaps.
Solution Approach 2:
The upper surface of the transfer guard member is segmented into multiple discrete protrusions rather than a continuous surface. This segmentation breaks up the potential adhesive bonding area into isolated points, preventing labels from forming continuous adhesive bonds across the surface during extended travel distances.
2Strength
If the surface area of the transfer guard member is increased to provide better support for objects, then the supporting capability is improved, but the friction between the object and transfer guard member increases
Solution Approach 1:
The support function is segmented into multiple discrete protrusions distributed across the transfer guard member surface. Each protrusion provides localized support contact, collectively bearing the object's weight while minimizing total contact surface area, thereby reducing frictional forces compared to a continuous surface.
Solution Approach 2:
The protrusions feature curved surfaces that contact the object, creating point or line contacts rather than face-to-face contact. This curvature reduces the real contact area and distributes contact forces, minimizing friction while maintaining supporting capability.
3Object-generated harmful factors
If the protrusions are tightly packed to minimize label adherence surface area, then label adherence is reduced, but the manufacturing complexity increases
Solution Approach 1:
Multiple protrusions are merged into a single unitary transfer guard member component rather than being separate parts. This integration simplifies manufacturing by requiring only one molding or machining operation to create the entire array of protrusions, reducing assembly complexity while maintaining the tight spacing needed to minimize label adherence.
Solution Approach 2:
The array of protrusions simultaneously serves multiple functions: supporting the object's weight, reducing friction through minimized contact area, and preventing label adherence by eliminating continuous surface areas. This multi-functionality is achieved through a single structural feature set, simplifying the overall design.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution reduces friction and minimizes label adherence, ensuring smooth object transfer across gaps while maintaining structural integrity and safety.
Implementation Method 1
The bumps reduce friction between the transfer guard member and the object by reducing the surface area of the transfer guard member that contacts the object
Data Source
AI summary
In one aspect of the present disclosure, a transfer guard member is provided for a transfer guard system. The transfer guard member has a unitary, one-piece body configured to connect to an elongate mounting member, an upper surface of the body, and an array of protrusions to support an object. The array of protrusions includes columns of protrusions each comprising a plurality of the protrusions aligned in a first direction. The array of protrusions includes first spacings extending in the first direction between the protrusions of each of the columns. The array of protrusions also includes second spacings extending in a second direction transverse to the first direction between the adjacent columns. The first spacings and the second spacings are each less than twice a height of the protrusions.