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Chisel holder system

A technology of tool holders and components, applied in the direction of slitting machinery, cutting machinery, drilling equipment, etc., can solve the problems of expensive assembly and trouble, and achieve the effect of preventing burrs

Inactive Publication Date: 2007-12-19
WIRTGEN GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since it is expensive and the component assembly of the replacement toolholder assembly is laborious, the base part must be protected from wear as much as possible

Method used

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Examples

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Embodiment Construction

[0020] FIGS. 1 and 2 show a base part 10 which is fastened via curved contact surfaces 11 to the outer circumference of a milling roller tube, such as a road milling machine. Its base part 10 has a bearing surface 12 on which a projection 13 adjoins at an angle. In the region of the transition from its projection 13 to the bearing surface 12 . An insertion receptacle 14 constituted by a notch is formed on the base member 10 . Its plug-in receptacle 14 extends via a cross-sectional extension 14.1 to the bearing surface 12 or projection 13 .

[0021] The bearing surface 12 is formed by a raised portion 16.1. For this purpose, its raised part 16 . 1 has, in a direction perpendicular to the bearing surface 12 , a cross-sectional dimension equal to that of the bearing surface 12 . In the region of the transition from its projection 13 to the bearing surface 12 , the bearing surface 12 is terminated by a depression 15 . The concave portion 15 is formed by grooves on both sides o...

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PUM

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Abstract

The invention relates to a chisel holder system which comprises a base part and a chisel holder. The base part comprises a socket wherein the chisel holder comprising a plug-in insert is introduced. Said chisel holder which comprises a bearing surface is supported on a supporting surface of the base part, and the base part comprises a shoulder which is connected to the supporting surface. A replacement chamber is formed between the shoulder and a facing end surface of the chisel holder. According to the invention, the supporting surface is placed in the transition region in relation to the shoulder by means of at least one recess of the shoulder such that the flat-shaped connection between the supporting surface and the shoulder, in the region of the recess, is interrupted in order to optimise the resistance to wear and tear of the base part.

Description

technical field [0001] The invention relates to a tool seat assembly with a base part and a tool seat, the base part has an insertion receiving part, into which a tool seat with an insertion part is inserted, wherein the tool seat is supported by a contact surface on the support surface of the base part, The base part has a projection connected to the support surface, an additional space being formed between the projection and the opposite end surface of the seat. In order to optimize the wear behavior of the base part, according to the invention, the transition region of its bearing surface to the projection is interrupted from the projection at least by means of a depression in such a way that the connection between the bearing surface and the surface between the projection is interrupted in the region of the depression. Background technique [0002] A tool holder assembly of this type is known from DE 43 22 401 A1. The replaceable tool holder assembly has a base part whi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21C35/18
CPCE21C35/18E21B10/00
Inventor 贝恩德·赫尔迪莱特·西蒙斯
Owner WIRTGEN GMBH
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