Fiber Plastic Sheet Cutting-Folding Machine Straight Edge Transfer
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Solution Overview
Problem
Conventional fiber/plastic sheet product cutting-folding machines result in uneven cut pieces due to serrated edges and displacement during transfer, leading to poor neatness and complexity in stacking.
Innovation Solution
A cutting-folding machine design featuring a cutter and rotary cutting wheel with plain cutters, differential wheels with suction units and protruding/open recesses to ensure straight cuts and precise transfer, and folding wheels with suction units to maintain piece alignment and prevent displacement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a cutter with serrated cutting edge is used to cut through the fiber sheet product, then the cutter can cut through the material, but the fiber sheet product is stretched or moved out of place causing unequal cut-piece length
Solution Approach 1:
The patent introduces an intermediary component (the rotary wheel with recesses) between the cutter and the fiber sheet product. The recesses in the rotary wheel guide and support the material during cutting, preventing displacement while the cutter performs its function. This mediator ensures both cutting effectiveness and dimensional precision.
2Ease of operation
If the rotary wheel transfers the fiber sheet product via open recesses to the differential wheel, then the transfer process occurs, but the fiber sheet product is biased easily during transfer resulting in poor neatness
Solution Approach 1:
The patent applies preliminary action by pre-positioning the fiber sheet product in the recesses of the rotary wheel before transfer to the differential wheel. The recesses are designed to hold and align the material in advance, ensuring proper positioning is established before the transfer operation begins, thereby preventing bias during transfer.
3Productivity
If the first folding wheel and second folding wheel use grippers to grip the fiber sheet product, then the folding operation is completed, but the fiber sheet product may be biased during transfer causing unequal thickness of folded stack
Solution Approach 1:
The patent introduces the differential wheel as an intermediary transfer mechanism between the cutting stage and the folding wheels. This intermediary component with its specially designed recesses ensures uniform transfer and positioning of the fiber sheet product before it reaches the folding wheels, preventing bias that would lead to unequal stack thickness.
4Productivity
If the cutter imparts pressure to the fiber sheet product during cutting, then the cutting action is performed, but the fiber sheet product is stretched causing displacement and unequal length
Solution Approach 1:
The patent applies beforehand cushioning by designing the rotary wheel with recesses that support and cushion the fiber sheet product before and during the cutting action. These recesses prevent the material from being stretched or displaced by the cutter pressure, maintaining dimensional stability while allowing the cutting operation to proceed effectively.
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 machine produces cut pieces with straight edges, ensuring uniform size and neat stacking, and enhances the efficiency of the cutting and folding process by preventing displacement and ensuring accurate transfer and folding.
Implementation Method 1
The differential wheel comprises at least one suction unit for sucking the cut piece of the fiber/plastic sheet product so as to hold the cut piece of the fiber/plastic sheet product
Implementation Method 2
The folding wheel comprises at least one suction unit for sucking the cut piece of the fiber/plastic sheet product so as to hold the cut piece of the fiber/plastic sheet product
Data Source
AI summary
A fiber/plastic sheet product cutting-folding machine composed of a cutter, a rotary cutting wheel, one or more differential wheels, a first folding wheel and a second folding wheel is disclosed. The cutter and the rotary cutting wheel are adapted to cut off a fiber/plastic sheet product passing therebetween so that each cut piece of fiber/plastic sheet product has a straight cut edge. The differential wheel enables each two successive cut pieces of fiber/plastic sheet product to be partially overlapped, forming a stack of interfold fiber/plastic sheet product. Subject to the application of the fiber/plastic sheet product cutting-folding machine, each stack of interfold fiber/plastic sheet product is kept neat.