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Shearing Knives with Embedded Blades

A shearing knife and embedded technology, which is applied in the direction of shearing devices, manufacturing tools, shearing equipment, etc., can solve the problems of expensive fixing methods, cumbersome and time-consuming replacement of embedded blades, etc.

Active Publication Date: 2016-03-02
WEBER HYDRAULIK GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this type of fastening of insert inserts is relatively expensive, because an internal thread must be provided in the base body or in insert inserts, and in addition such insert inserts are cumbersome and time-consuming to replace, especially when required When the tool cannot be fitted without problems on the fastening bolt due to dirt or mechanical damage during use

Method used

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  • Shearing Knives with Embedded Blades
  • Shearing Knives with Embedded Blades
  • Shearing Knives with Embedded Blades

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0030] As an introduction, it should first be stated that in the different described embodiments, the same reference numerals or the same component names are provided for the same components, wherein the disclosure content contained in the entire description can be transferred according to the meaning with the On the same parts with the same reference numerals or the same component names. Also selected orientation indications in the description, eg upper, lower, lateral, etc., relate to the direct description and the illustrated figures and can be sensibly transferred to the new orientation in the event of an orientation change. Furthermore, individual features or combinations of features from the different exemplary embodiments shown and described can also form independent inventive or according to the invention solutions.

[0031] figure 1Shown is an oblique view of a cutting tool 1 , which is often used, for example, to extract persons involved in accidents from vehicles o...

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PUM

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Abstract

The invention relates to a shearing knife (2) for a shearing tool (1), comprising: a base body (3) with a knife seat (11); and arranged on said knife seat (11) An embedded blade (4) constituting a shearing wedge (8), wherein said shearing wedge (8) constitutes a cutting edge (6) by means of a cutting surface (9) and a pressure surface (10) at an angle to the cutting surface ). Therein, said seat (11) has at least one undercut (13, 28) acting in a direction transverse to the cutting surface (9), which undercuts the embedded insert (4) with the At least one form-fitting surface ( 16 , 27 ) formed on the insert insert cooperates and here forms a form-fitting action acting transversely to the cutting surface ( 9 ). The embedded insert (4) is fastened to the base body (3) by means of at least one first plug-in connection element (5) in the shape of a pin, which is transverse to the cutting surface ( 9) Oriented and set in aligned holes (18, 19) in the base body (3) and in the embedded blade (4).

Description

technical field [0001] The invention relates to a shearing knife. Background technique [0002] A known embodiment of shearing tools consists in designing the shears in such a way that they comprise a base body of the shears and an insert blade arranged or embedded in the base body of the shears. Especially in shearing tools for salvage tasks or demolition work, shearing knives are subject to harsh conditions of use. The base body of the scissors is therefore preferably made of a tough material, while the insert blade is preferably made of a hard material with a high shearing effect and low wear. In the case of damage to the cutting edge, it is not necessary to replace the entire shearing knife in such a construction, but it is sufficient to replace the damaged insert blade. Replacing only the insert blades results in significantly less expense than replacing the entire shear, so the shear is an economically beneficial construction. [0003] For example, DE 20 2004 011 26...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23D35/00
CPCB23D31/008B23D35/002Y10T83/9447B23D35/00B23D31/00B23D35/001B23D35/008
Inventor K·施特罗迈尔P·赫维希
Owner WEBER HYDRAULIK GMBH