Integral One-Piece Tape Cutting Device
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Solution Overview
Problem
Conventional tape cutting devices face issues with parts falling off during use due to fastener connections, leading to lost components and unsmooth operation.
Innovation Solution
A one-piece tape cutting device with a tape shaft, pressing part, cutting part, supporting part, and side plate, all integrally formed without fasteners, featuring an elastic pressing plate that adapts to tape thickness and prevents dislodgment, ensuring stable and cost-effective operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If fasteners are used to connect parts in conventional tape cutting devices, then assembly is easier and parts can be disassembled for maintenance, but parts fall off during use affecting reliability and scattered parts may be lost
Solution Approach 1:
The pressing plate is integrally formed with the pressing arm, eliminating the need for fasteners to connect these parts. This merging of components prevents parts from falling off during use while maintaining ease of manufacture through integral forming processes.
2Adaptability or versatility
If multiple separate parts are used in conventional tape cutting devices, then functionality can be optimized for each part, but device complexity increases and parts may be lost
Solution Approach 1:
Multiple functional components are merged into integral structures. The pressing plate is formed as one piece with the pressing arm, and the cutting assembly is integrated with the pressing mechanism, reducing the total number of parts while maintaining optimized functionality for each operation.
Solution Approach 2:
The pressing plate serves multiple functions: it presses the tape against the box flange, guides the tape through the cutting path, and works with the cutting blade to seal the box. This multi-functionality reduces the need for separate components for each function.
3Stability of the object's composition
If the pressing plate is directly connected to the side plate, then structural stability is improved, but adaptability to various tape thicknesses is reduced
Solution Approach 1:
The pressing plate is designed to be elastically deformable rather than rigidly fixed. It can dynamically adjust its position and pressing force based on the tape thickness, allowing the same structure to adapt to various tape dimensions while maintaining stability through its elastic properties.
Solution Approach 2:
The pressing plate's physical state is changed from rigid to elastic, allowing it to change its deformation parameter according to tape thickness. This parameter change enables the pressing plate to adapt to different tape thicknesses while maintaining structural integrity.
4Ease of manufacture
If conventional tape cutting devices use scattered parts connected by fasteners, then manufacturing cost may be lower for simple components, but assembly and maintenance time increases
Solution Approach 1:
By merging multiple components into integral structures, the number of assembly steps is dramatically reduced. The pressing plate and pressing arm are formed as one piece, eliminating fastening operations, and reducing assembly time while maintaining manufacturing simplicity through integral forming processes.
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 prevents part disassembly issues, enhances operational stability, and reduces costs by ensuring all components function smoothly and securely without fasteners, accommodating various tape thicknesses and preventing tape sticking back.
Implementation Method 1
the pressing plate naturally leans towards the tape shaft and has elasticity, so that the pressing plate can adapt to various thicknesses of tape rolls
Data Source
AI summary
A one-piece tape cutting device is provided, comprising: a tape shaft, a tape pressing part, a cutting part, a tape supporting part, a side plate, and a pressing plate, and all are integrally formed without being connected by any fasteners. the tape is sleeved on the outside of the tape shaft from the opposite side of the side plate, the pressing plate is stretched by the tape and away from the tape shaft, so that the tape is pressed by the pressing plate and does not rotate, the tape is restricted by the anti-dislodging piece and does not disengage, and the end of the tape is pulled through the gap between the tape supporting part and the tape pressing part, and non-adhesive surface of the tape faces the tape pressing part, and the cutting part can cut through the tape.