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Slide door of machine tool

A technology for sliding doors and machine tools, which is applied to door/window accessories, power control mechanisms, wing leaf control mechanisms, etc. It can solve the problems of large loads of metal wires, wear and damage of metal wires, achieve high-speed opening and closing, and reduce useless The effect of space and compact configuration setting space

Inactive Publication Date: 2016-02-03
FANUC LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The two-stage sliding door described in the aforementioned Japanese Patent Application Laid-Open No. 2006-205337 is manually opened and closed, and one door is attached to a wire, and the other door is moved via the wire and a pulley. There is a high possibility of wear and damage to pulleys and wires due to a large load

Method used

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  • Slide door of machine tool
  • Slide door of machine tool
  • Slide door of machine tool

Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach 〉

[0026] Figure 1A , Figure 1B , Figure 1C , Figure 1D It is a schematic diagram of the first embodiment of the present invention. Figure 1A , Figure 1B , Figure 1C is the main view, Figure 1A Indicates the state where the opening is opened halfway, Figure 1B Indicates the state where the opening is fully opened, Figure 1C Indicates the state where the opening is closed. in addition, Figure 1D is a top view.

[0027] A machining space where a workpiece is cut with a tool is covered by a fixed cover 2, and a first door 3a and a second door 3b for opening and closing an opening 1 provided in the fixed cover 2 are provided. On the upper part of the first door 3a and the second door 3b, a first ball screw 4a and a second ball screw 4b are arranged in parallel, and the first ball screw 4a and the second ball screw 4b are respectively screwed together. There are a first nut 5a and a second nut 5b. The extension member 7a of the first door 3a is fixed to the first n...

no. 2 approach 〉

[0040] Figure 4 It is a schematic diagram of the second embodiment.

[0041] In this second embodiment, instead of providing a power transmission mechanism, a driving motor is provided for each ball screw, and the rest is the same as that of the first embodiment.

[0042] The motor shaft 8a of the first motor 6a is connected to the first ball screw 4a so that the axis center is aligned with the shaft coupling 10a, and the second motor shaft 8a is connected to the second ball screw 4b so that the shaft center is aligned with the shaft coupling 10b. 6b motor shaft 8b. The rest of the structure is the same as that of the first embodiment except that the power transmission mechanism 9 is not provided, so description thereof will be omitted.

[0043] The first door 3a is driven by the first motor 6a via the first ball screw 4a and the first nut 5a. The second door 3b is driven by the second motor 6b via the second ball screw 4b and the second nut 5b. The first door 3a and the ...

no. 3 approach 〉

[0046] In the first to second embodiments described above, the two doors are moved in the same direction to open and close the opening, but in this third embodiment, the two doors are moved in opposite directions to open and close the opening.

[0047] Figure 5A , Figure 5B is a schematic diagram of the first form of the third embodiment, Figure 5A is a top view, Figure 5B is the main view. The first ball screw 4 a is coupled to the motor shaft of the motor 6 through a coupling 10 so as to coincide with the shaft center of the motor. In addition, the first ball screw 4 a and the second ball screw 4 b are connected via a power transmission mechanism 9 . The extension member 7a of the first door 3a is fixed to the first nut 5a screwed to the first ball screw 4a. In addition, the extension member 7b of the second door 3b is fixed to the second nut 5b screwed to the second ball screw 4b. Figure 5A , Figure 5B A state in which the opening is closed by two doors, the fi...

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Abstract

A slide door of a machine tool which slide door is constituted by first and second doors for opening and closing, in a sliding manner, an opening of the machine tool includes: a first nut fixed to the first door; a first ball screw engaged threadedly to the first nut; a second ball screw placed in parallel with the first ball screw; a second nut engaged threadedly to the second ball screw and fixed to the second door is fixed thereto; and a motor for driving the first and second ball screws via a power transmission mechanism.

Description

technical field [0001] The present invention relates to a door provided on a cover covering a machining space in a machine tool where a workpiece is cut. Background technique [0002] In machine tools, chips generated during cutting and coolant discharged into the machining area are scattered around. In order to prevent the spatter from spreading outside the machine tool, the machining space is covered with a cover. On the other hand, entry and exit of the workpiece into and out of the processing space requires entry into the processing space, so an opening may be provided in the cover and a sliding door may be provided to close the opening. [0003] For large workpieces, it is necessary to increase the opening width of the door. Therefore, a two-stage sliding door is advantageous. JP-A-2006-205337 describes an example in which a two-stage sliding door is provided in a machine tool. A first pulley and a second pulley are installed at intervals on the upper end of the lef...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q11/08
CPCB23Q11/0078B23Q11/08B23Q11/0891E05F15/652E05Y2900/608
Inventor 长尾明彦
Owner FANUC LTD
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