Full-automatic fabric rectangular cutting equipment
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Solution Overview
Problem
Existing cutting machines for felt and similar materials require manual operation, have low automation, can only cut in one direction, and are inefficient for ultra-wide fabrics, leading to high worker workload and cutting errors.
Innovation Solution
A full-automatic fabric rectangular cutting equipment with a working frame, material transferring belt, horizontal and vertical cutting mechanisms, pressure sheets, and a fabric shoveling mechanism, enabling multi-directional cutting and uniform pressure application, along with adjustable cutting widths and vibration-resistant features.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If manual operation is used for cutting felt, then the cutting machine is simple in structure, but the automation degree is low and worker workload is high
Solution Approach 1:
The cutting machine is divided into multiple independent functional modules: conveying mechanism, cutting mechanism, pressure mechanism, and control system. Each module operates independently but coordinates with others, enabling full automation while keeping individual components manageable in complexity
Solution Approach 2:
The cutting mechanism can cut fabrics in multiple directions (horizontal and vertical cutting blades), and the conveying belt serves both transportation and positioning functions. This multi-functionality reduces the need for separate dedicated devices, achieving automation without proportionally increasing overall system complexity
2Productivity
If single-direction cutting is used, then the cutting machine structure is simple, but it cannot efficiently cut ultra-wide fabrics
Solution Approach 1:
The cutting mechanism is extended from single-direction to multi-directional by adding both horizontal and vertical cutting blades. This dimensional expansion enables the machine to efficiently cut ultra-wide fabrics by making cuts in multiple directions, thereby improving productivity while accepting increased mechanism complexity
3Manufacturing precision
If pressure sheets are used to transfer fabric, then the transfer process is simplified, but unequal pressure causes transfer errors
Solution Approach 1:
The pressure control system uses feedback mechanisms where pressure sensors detect the actual pressure applied by each pressure sheet, and the control system automatically adjusts the pressure to maintain uniformity across all sheets. This closed-loop control ensures high transfer precision while managing the complexity through automated regulation
Solution Approach 2:
The system dynamically adjusts pressure parameters (force, distribution) of each pressure sheet based on real-time conditions. By changing pressure parameters adaptively rather than using fixed pressure, the system achieves high transfer precision while the complexity is managed through parameter optimization rather than structural complexity
4Reliability
If the material transferring belt is directly sealed after cutting, then the sealing process is simple, but the belt is damaged
Solution Approach 1:
The fabric is extracted or separated from the material transferring belt before the sealing process. The shoveling mechanism lifts the cut fabric away from the belt, allowing sealing to be applied to the fabric alone. This protects the belt from damage while the sealing mechanism remains relatively simple by targeting only the fabric
Data Source
AI summary
A full-automatic fabric rectangular cutting equipment, comprising a working frame and a material transferring belt set on an upper part of working frame, a conveyor gantry support frame, a horizontal cutting moving mechanism and a vertical cutting moving mechanism on upper part of working frame along running direction of material transferring belt; a plurality of pressure sheets are set at intervals at a lower part of the conveyor gantry support frame, one end of pressure sheets corresponding to running direction of material transferring belt is connected with horizontal cutting moving mechanism via pressure exerting components. The invention ensures equal pressure at each point by contacting pressure sheets with fabric to be transferred, and realizes uniform force at all pressure points, resulting in smaller transfer error; by setting horizontal cutting tool mechanism and vertical cutting tool mechanism respectively, the device can cut the material horizontally and vertically.