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Means for preventing tools from being pulled out from tool holders with a tool holding fixture

A technology of clamping device and receiving part, which is applied to the device for fixing the grinding wheel, the attachment of the tool holder, the connection of the tool and the workpiece, etc., can solve the problems of inaccuracy, danger to the machine operator, processing the workpiece, etc., and achieves less waste and cost savings. Effect

Active Publication Date: 2015-11-18
FRANZ HAIMER MASCHINENBAU KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to this unfavorable effect, workpieces cannot be machined precisely and to size specifications
In addition, twisting of the rotating tool in the workpiece or even in the clamping disk receiving the workpiece can lead to dangerous accidents
Under the most unfavorable conditions, in a critical state, the rotating tool can even leave the clamping disk of the tool holding device during operation, thereby causing a greater danger to the machine operator

Method used

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  • Means for preventing tools from being pulled out from tool holders with a tool holding fixture
  • Means for preventing tools from being pulled out from tool holders with a tool holding fixture
  • Means for preventing tools from being pulled out from tool holders with a tool holding fixture

Examples

Experimental program
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Embodiment Construction

[0043] figure 1 A tool holding device 1 and, by way of example, an end mill 2 are shown schematically in a sectional view, said tool holding device and end mill being arranged relative to one another with respect to an axis of rotation 3 . The tool holding device 1 here has at least two, preferably three or four balls 4 . The ball is located here in a bearing bore 5 which is perpendicular to the axis of rotation 3 and thus to the longitudinal axis of the sleeve section 6 of the tool holding device 1 . The bearing hole 5 is a through hole and extends from the sleeve section 6 to the inner circumference of a receiving opening 7 which is arranged concentrically to the axis of rotation 3 in the tool holding device 1 . The front bearing side 8 of the bearing bore 5 is formed in the form of a spherical cap and corresponds to the spherical shape of the ball 4 , so that the ball 4 projects partially into the interior of the receiving opening 7 . The ball 4 is held by a threaded pin ...

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Abstract

The holder (1) has a tool holding fixture, preferably a chuck, where a shank of a tool particularly rotary tool, is accommodated in the tool holding fixture. The pull-out preventing unit has a locking element and a locking groove (13), which corresponds to the locking element, receives the locking element and interacts with the locking element in a positively locking manner.

Description

[0001] This application is a divisional application of the Chinese patent application with application number 200780012950.4 and application date of April 5, 2007. technical field [0002] The invention relates to a tool holding device according to the preamble of claim 1 with a tool receptacle, in particular a shrink chuck or other chuck for receiving a rotating tool. Background technique [0003] Various forms of tool holding devices with chucks, in particular shrink chucks, are known. The tool holding device is used for clamping tubular tools, turning tools, milling tools, reaming tools, grinding tools etc. by means of thermally induced shrinkage processes. Usually such shrink chucks are heated thermally by means of an induction shrinking device, whereby the inner diameter of the shrink chuck expands. When the inner diameter is enlarged, put the tool to be clamped into the heat-shrinkable chuck, and at the same time, the ratio of the inner diameter of the heat-shrinkable...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B31/107
CPCB23B31/10B23B31/005B23B31/1071B23B31/1175B23B31/1179B23B31/40B23B2231/026B23B2231/04B23B2240/04B23B2260/042B23B2260/138Y10T279/1021Y10T279/17Y10T279/17316Y10T279/17888Y10T279/17897Y10T279/17923Y10T408/907Y10T408/94Y10T408/95Y10T409/30952B23B31/1072B24B45/006
Inventor 弗朗茨·海默尔
Owner FRANZ HAIMER MASCHINENBAU KG
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