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Tool changing device and working machine including tool changing device

A technology of tool changing device and machine tool, which is applied in the direction of positioning device, metal processing machinery parts, clamping, etc., can solve the problem of the decrease of the positioning control accuracy of the column, and achieve the effect of good accuracy and restraining the deviation of weight balance

Active Publication Date: 2015-01-07
BROTHER KOGYO KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, there is a problem that the accuracy of the positioning control of the column decreases.

Method used

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  • Tool changing device and working machine including tool changing device
  • Tool changing device and working machine including tool changing device
  • Tool changing device and working machine including tool changing device

Examples

Experimental program
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Embodiment Construction

[0027] Embodiments will be described below with reference to the drawings.

[0028] refer to Figure 1 ~ Figure 3 , the machine tool 12 including the tool changing device 10 will be described. In this embodiment, figure 2 The left side, the right side, the front side, the back side, the upper side, and the lower side of are respectively the left side, the right side, the front side, the rear side, the upper side, and the lower side of the machine tool 12 . The left-right direction, front-back direction, and up-down direction of the machine tool 12 are X direction, Y direction, and Z direction, respectively.

[0029] Machine tool 12 comprises: base 20, it is arranged on the ground; Mobile platform 24, it is arranged on the base 20 by means of Y direction moving device 22; Column 28, it is arranged on the mobile platform 24 by means of X direction moving device 26; The spindle head 32 is disposed on the front surface of the column 28 by means of the Z-direction moving device...

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PUM

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Abstract

The present invention relates to a tool changing device that exchanges tools between a main shaft of working machine and a tool magazine, and to a working machine. The tool changing device includes an annular tool magazine provided with a plurality of grip arms supporting a tool holder. The tool magazine is supported by a column supporting a main shaft head provided with a main shaft movably up and down direction so as to enclose an outer circumference thereof. Since the barycentric position of the column in a state where the tool magazine is attached can be made closer to the barycentric position of the column in a state where the tool magazine is not attached, the tool changing device suppresses imbalance in the weight of the column and prevents deterioration in the accuracy of positioning control for the movement of the column.

Description

technical field [0001] The invention relates to a tool changing device and a machine tool for changing tools between a spindle of a machine tool and a tool magazine. Background technique [0002] The machine tool performs various processing such as milling and thread cutting with a single device according to the processing shape of the workpiece. The machine tool has a tool magazine and an ATC (tool changer) for holding multiple tools such as drills, end mills, and taps. The ATC automatically performs tool exchange between the tool magazine and the spindle (for example, refer to Japanese Patent Application Laid-Open No. 63-312038). [0003] In the conventional tool changer, the tool magazine is provided so that the tool magazine is adjacent to the base. The tool changer performs tool change by moving the column supporting the spindle head to a fixed position in the tool magazine. [0004] Since conventional machine tools required column movement, the time required for too...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23Q3/157B23Q37/00
CPCB23Q3/15766B23Q3/15506B23Q3/155B23Q3/157
Inventor 石桥伸晃长岛贤
Owner BROTHER KOGYO KK
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