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Machine tool

A machine tool and bed technology, applied in the field of machine tools, can solve problems such as ball screw damage, and achieve the effect of improving convenience

Pending Publication Date: 2022-07-08
DMG MORI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If chips from machining of the workpiece adhere to the ball screw, the ball screw may be damaged

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0024] The machine tool according to the embodiment of the present invention includes: a bed including a guide; a first structure and a second structure mounted on the bed, respectively; a first drive unit for moving the first structure along the guide; and The protection unit covers at least a part of the first drive unit. The protection portion can expand and contract along with the movement of the first structure.

[0025] At least one of the first structure and the second structure has a protection part accommodating part which accommodates at least a part of the protection part. For example, when at least a part of the protective part in a contracted state is accommodated in the protective part accommodating part, the distance between the first structure and the second structure can be shortened compared with the case where the protective part is not accommodated. That is, the protection portion does not greatly restrict the approach of the structures to each other, and ...

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PUM

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Abstract

A machine tool includes: a bed including a guide portion; a first structure and a second structure which are respectively mounted on the bed body; a first drive unit that moves the first structure along the guide unit; and a protection unit that covers at least a part of the first drive unit. The protection part can stretch and retract along with the movement of the first structure body; at least one of the first structure and the second structure is provided with a protection part accommodating part for accommodating at least one part of the protection part. The protection part housing part is provided on at least one stage part of the first structure and the second structure, and is a space that opens in the direction of movement of the first structure. Consequently, structural bodies such as the headstock and the tool holder can be easily brought into proximity to each other, and the convenience of machining the workpiece can be improved.

Description

technical field [0001] The present invention relates to machine tools. Background technique [0002] In a machine tool, structures such as tool rests and spindle boxes are independently driven in the X, Y, and Z directions. For example, a cutting tool attached to the tool rest performs cutting processing on a workpiece attached to the spindle. [0003] The structure attached to the bed of the machine tool generally moves along guide rails provided on the bed. At this time, the movement of the structure is performed by the ball screw. If chips from cutting of a workpiece adhere to the ball screw, the ball screw may be damaged. In order to protect the ball screw from chips, a protective part covering the ball screw is required. [0004] For example, Patent Document 1 proposes a telescopic cover for a machine tool, which is a telescopic cover for a machine tool including a plurality of cover bodies that are overlapped inside and outside so as to be relatively movable and com...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q11/08
CPCB23Q11/0825B23Q11/08
Inventor 中西达裕栗谷龙彦酒井茂次
Owner DMG MORI CO LTD