Angled Cutting Body Steel Strapping Tool Hook Block
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Solution Overview
Problem
Conventional steel strapping tools face difficulties in separating the steel strap from the compressed block after the packing procedure, leading to inefficiencies in the packing and fastening process.
Innovation Solution
The steel strapping tool incorporates a cutting unit with a hook member and a cutting assembly that includes a cutting body and a connecting member, where the cutting body is angled relative to the base, and a hook block that moves upward to prevent the steel strap from sticking to the compressed block, allowing for easy separation and hooking out of the strap.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the cutting unit presses the steel strap with parallel bottom surfaces, then the steel strap is securely fastened, but the steel strap becomes stuck on the compressed block and is difficult to separate
Solution Approach 1:
The cutting body is designed with an angled bottom surface relative to the base, creating a dynamic separation path. This angle allows the steel strap to be easily separated from the compressed block after fastening, resolving the contradiction between secure fastening and easy separation.
Solution Approach 2:
The invention introduces an angular dimension to the cutting body's bottom surface, changing it from a parallel configuration to an inclined plane. This dimensional change creates a separation pathway that facilitates easy removal of the steel strap while maintaining secure fastening during the packing operation.
2Ease of manufacture
If the cutting unit is designed with a parallel bottom structure, then the manufacturing is simple, but the steel strap cannot be easily separated after packing
Solution Approach 1:
The angled bottom surface of the cutting body creates a dynamic separation mechanism that is simple to manufacture yet effective in allowing steel strap removal. The angle provides a natural separation path without requiring complex mechanisms.
Solution Approach 2:
The cutting body is segmented into distinct functional surfaces: the top pressing surface for fastening and the angled bottom surface for separation. This segmentation allows each surface to perform its specific function efficiently while maintaining overall structural simplicity.
3Reliability
If the steel strap is pressed firmly to ensure packing security, then the packing effect is improved, but the user effort required to separate the strap increases
Solution Approach 1:
The angled bottom surface of the cutting body creates a mechanical advantage that reduces the separation force required. The angle acts as a wedge, converting the pressing force into an easier separation motion with reduced user effort.
Solution Approach 2:
The invention converts the potential harm of the steel strap getting stuck into a benefit by using the angled surface to create a natural separation path. The same pressing action that secures the packing now facilitates easy removal through the angular geometry.
Data Source
AI summary
A steel strapping tool with a pressing strap structure is provided. The steel strapping tool includes a base and a compressed block at one side of the base. The base has a pivot block extending from a front side thereof. A cutting unit is disposed on the base. The cutting unit includes a fixing seat which has an accommodating trough therein, a top engaging rod unit disposed in the accommodating trough, a cutting assembly having one end coupled to the top engaging rod unit and received in the accommodating trough. The base has a through hole which is transversely disposed beside the compressed block. The cutting unit includes a hook member located beside the cutting assembly. The hook member extends underneath the compressing blocks and is accommodated in the through hole of the base.