Conveyance Hand Attraction Pad Layout for Warped Object Handling
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Solution Overview
Problem
Conventional conveyance hands with complex attraction pad structures become thick, leading to interference with other devices during object conveyance, and struggle to maintain stable attraction due to air flow into gaps formed by warped or distorted objects.
Innovation Solution
A conveyance hand design featuring a first attraction pad with a larger convex portion and a second attraction pad with a smaller convex portion, where the first pad primarily cancels the influence of rotational forces and maintains negative pressure, while the second pad minimizes air inflow by reducing surface contact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the attraction pad structure is made complex to conform to warped object surfaces, then the attraction stability is improved, but the conveyance hand thickness increases causing interference with other devices
Solution Approach 1:
The attraction pad is divided into multiple independent attraction regions (first attraction region, second attraction region, third attraction region) with different structures. Each region independently handles specific functions: the first region with elastic member handles warped surfaces, the second region without elastic member reduces thickness, and the third region provides additional support. This segmentation allows the conveyance hand to maintain attraction stability while reducing overall thickness to avoid interference with other devices.
2Length of stationary object
If the attraction pad thickness is reduced to avoid interference, then the device clearance is improved, but the attraction force stability deteriorates due to gaps from warped objects
Solution Approach 1:
Different regions of the attraction pad are assigned different structural qualities. The first attraction region includes an elastic member to provide flexibility and conform to warped object surfaces, maintaining attraction stability. The second attraction region excludes the elastic member to reduce thickness and avoid interference. The third attraction region provides additional support. This local differentiation allows each region to optimize for its specific function, maintaining overall attraction stability while reducing thickness where needed.
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 design stabilizes object conveyance by ensuring sufficient attraction force and reducing thickness, improving productivity and durability while preventing air flow into attraction spaces.
Implementation Method 1
a first attraction pad configured to attract the object, and a second attraction pad configured to attract the object by a force weaker than the first attraction pad
Implementation Method 2
an attraction pad is supported by a spring structure or an elastic member, and the attraction surface of the pad is caused to conform to the shape of the surface of an object to be transferred
Data Source
AI summary
A conveyance hand which conveys an object, includes a base, and a plurality of supports arranged on the base and configured to support the object. The plurality of supports include a first attraction pad configured to attract the object, and a second attraction pad configured to attract the object by a force weaker than the first attraction pad.