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Chucks for machine tools for machining tubular, rotating workpieces

A technology for chucks and workpieces, applied in the field of chucks of machine tools for processing tubular and rotating workpieces, can solve the problems of large diameter and length of chucks, and achieve the effect of compact structure type

Active Publication Date: 2016-08-17
SMS MEER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This results in a larger diameter and length of the chuck with a correspondingly larger mass which is disadvantageous for operation

Method used

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  • Chucks for machine tools for machining tubular, rotating workpieces
  • Chucks for machine tools for machining tubular, rotating workpieces
  • Chucks for machine tools for machining tubular, rotating workpieces

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0023] Machine tools for cutting threads or threaded joints at pipe ends figure 1 The chuck 1 shown in is composed of a top plate 2 and a rearwardly coupled housing ring 3 . In order to accommodate the tube 26 to be processed (see figure 2 ), the chuck 1 has a central through hole 4 whose center 5 coincides with the axis of rotation of the tube rotating in the chuck. Arranged on the end face of the top plate 2 evenly distributed over the circumference are three clamping slides with clamping jaws 8 a, b, c, which are covered by a cover 6 and can be adjusted radially to the center or axis of rotation 5 7a,b,c which center the tube on the center or axis of rotation 5 (see Image 6 ) to clamp.

[0024]In order to adjust the clamping slides 7a, b, c with the clamps 8a, b, c in the direction of the center or the axis of rotation 5 of the chuck 1, each clamping slide 7a, b, c is tangential to The axis of rotation 5 is associated with transverse slides 9 a, b, c integrated in the...

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PUM

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Abstract

The invention relates to a chuck (1) for a machine tool for machining tubular workpieces (26) rotating about an axis of rotation coincident with the center of the chuck, comprising radial At least two clamping slides (7a, b, c). Such a chuck should be provided with improved running characteristics and extended to all chucking functions. For this purpose, for centering the outside of the tube (26), there is provided a centering centering of the tube by means of jaws (29), which can be pushed out from the chuck-top plate at an inclination towards the end of the tube to be processed. Centering sliders (2a,b,c), the claws (29) are arranged at the front, free end of the centering slider rod (28), the centering sliders (27a,b,c) pass through toothed The rod section (34) engages in the toothing (35) of the driving means associated with each centering slide, and the centering slide (27a, b, c) is parallel to the toothed section on its side The lateral meshing side (37) meshes with a central gear (33) arranged concentrically to the axis of rotation, wherein the central gear (33) synchronizes the movements of all centering slides (27a, b, c).

Description

technical field [0001] The invention relates to a chuck for a machine tool for machining tubular workpieces that rotate about an axis of rotation that coincides with the center of the chuck, comprising an adjustable radially relative to the axis of rotation for loosening and clamping the workpiece Constructed, at least two clamping slides (Spannschieber) of the carrying clamp (Spannbacke) and for the outside of the pipe are arranged distributedly on the end side and uniformly on the circumference of the chuck top plate (Kopfplatte). Center clamping A centering slide (Zentrierschieber) that can be pushed out from the chuck-top plate at an inclination towards the end of the tube to be processed, centering the center of the tube by means of jaws (Spannklaue) arranged on the centering slide At the front, free end of the block rod, the centering slide engages via a toothed rod section into the toothing of the drive means, as is known from DE 33 04 876 A1. Background technique ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23B31/16B23B31/12
CPCB23B31/1223B23B31/16066B23B2270/12B23B2231/22Y10T279/17666Y10T279/1946Y10T279/1921Y10T279/1913Y10T279/1926B23B31/16B23B2231/00
Inventor K-J.埃泽R.德里克斯
Owner SMS MEER
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