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Tool revolver for machining workpieces and a machining system comprising such a tool revolver

A tool turret and workpiece processing technology, which is applied in the direction of metal processing machinery parts, tool holders, manufacturing tools, etc., can solve the problems that the tool can no longer be replaced, the tool turret is clamped, and the expansion characteristics are different, so as to avoid thermal stress , high cutting speed, and improved economy

Inactive Publication Date: 2013-10-02
5ME IP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A disadvantage of such tool turrets is that it is difficult to seal the connection between the conveying lines, since on the one hand the stator must be pressed against the rotor with sufficient force due to the different expansion coefficients to seal the connection, but on the other hand On the one hand, the force must not be too high, because otherwise the tool turret will be clamped and the tool can no longer be changed
This is especially problematic when cryogenic cooling media are used at different temperatures or when several different cryogenic cooling media are used due to the different expansion properties of the stator and rotor

Method used

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  • Tool revolver for machining workpieces and a machining system comprising such a tool revolver
  • Tool revolver for machining workpieces and a machining system comprising such a tool revolver
  • Tool revolver for machining workpieces and a machining system comprising such a tool revolver

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Embodiment Construction

[0032] Refer below Figures 1 to 6 A first embodiment of the present invention will be described. The machine tool, not shown in detail, has a processing system 1 for cutting metal workpieces 2, which processing system includes a tool turret 3, a store 4 for providing thermal insulation of a cryogenic cooling medium 5, a cryogenic cooling medium 5 for cooling Cooler device 6 for medium 5 , delivery pump 7 , supply line 8 with associated shut-off valve 9 and control device 10 . The supply line 8 is connected to the accumulator 4 and the tool turret 3 and is thermally insulated. The tool turret 3 , the cooler device 6 , the delivery pump 7 and the shut-off valve 9 can be controlled by means of a control device 10 . Machine tool configurations other than the machining system 1 are conventional and known.

[0033] The tool turret 3 has a housing 11 in which a fixed central shaft 12 is supported. The central shaft 12 protrudes from the housing 11 at the end and serves to suppor...

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Abstract

The invention relates to a tool revolver (3) which, for machining workpieces (2), has a housing (11) that comprises a drive unit (14) arranged thereupon. A rotational part (13) can be rotated about a rotational axis (15) and into a plurality of rotational positions by means of said drive unit (14). A plurality of tool holders (19) for receiving tools (20) are arranged circumferentially on said rotational part (13), and a cryogenic coolant (5) can be supplied to these by means of a first supply line (21) and a respective second supply line (50). The first supply line (21) can be linearly displaced, at least in sections, by means of a lifting unit (25), said first supply line (21) being, in a first position, connected to the second supply line (50) which belongs to the tool (20) that is in the working position and, in a second position, separated from the second supply line (50) for the alteration of the rotational position of the rotational part (13). The cryogenic coolant (5) can be conveyed to the tools (20) in a simple and reliable manner by means of the tool revolver.

Description

technical field [0001] The invention relates to a tool turret for machining workpieces according to the preamble of claim 1 . Furthermore, the invention relates to a machining system with such a tool turret. The machining system is in particular part of a machine tool for machining workpieces. Background technique [0002] DE60111162T2 (corresponding to EP1208940B1) discloses a machine tool with a tool turret for cutting metal workpieces. Through the tool turret, the low-temperature cooling medium is delivered to the corresponding tool that is acting on the workpiece to be processed. To this end, the tool turret comprises a polymer rotor with a first coefficient of thermal expansion and a corresponding metal stator with a second coefficient of thermal expansion. Extending through the stator is a first conveying line having a first line section extending concentrically to the rotor axis of rotation and a second line section extending radially relative to the axis of rotati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q11/10
CPCB23Q11/1053B23Q2220/002Y10S29/05Y10S29/092Y10S82/90Y10T29/5154Y10T29/5155Y10T82/2587B23B29/323B23Q5/04B23Q11/103B23Q39/00B23Q2039/004
Inventor M·I·梅达尔H·朗W·霍恩W·豪斯
Owner 5ME IP
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