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Workpiece fastening device for pressing plurality of locations of workpiece

A technology for fixing devices and workpieces, which is applied to positioning devices, clamping devices, large-scale fixed members, etc., and can solve the problems of deformation of workpiece W and reduction of machining accuracy.

Active Publication Date: 2016-06-08
FANUC LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the above-mentioned eccentric load occurs in the machine tool, the workpiece W may be deformed by the pressing force of each of the pressing parts 621, 622, or the machining accuracy may be lowered because the workpiece W cannot be sufficiently fixed.

Method used

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  • Workpiece fastening device for pressing plurality of locations of workpiece
  • Workpiece fastening device for pressing plurality of locations of workpiece
  • Workpiece fastening device for pressing plurality of locations of workpiece

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Embodiment Construction

[0020] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In each drawing, the same code|symbol is attached|subjected to the same component. In addition, the following description does not limit the technical scope of the invention described in the claims of the patent application, the meaning of terms, and the like.

[0021] refer to figure 1 as well as figure 2 , the workpiece fixing device according to the first embodiment of the present invention will be described. figure 1 It is a perspective view which shows the example workpiece fixing apparatus A of this embodiment. The workpiece fixing device A of this example is used to fix a workpiece W to be processed in various machine tools (not shown). Such as figure 1 Thus, the workpiece fixing device A includes: a mounting table 1 on which the workpiece W is mounted; a pair of arms 2 disposed so as to sandwich the mounting table 1 ; The detailed structures of...

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PUM

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Abstract

A workpiece fastening device of the present invention comprises a table on which a workpiece is placed, an arm which can move so as to press a workpiece on the table against the table, and a drive part which drives the arm. The arm of the workpiece fastening device comprises a connection member which is connected to the drive part, and a rotary member which is attached to the connection member to be able to rotate about a rotation axis which extends in a direction intersecting with a movement direction of the arm. The rotary member of the arm has first and second pressing parts which are arranged at the opposite sides of the rotation axis and presses a workpiece on the table against the table by the first and second pressing parts.

Description

technical field [0001] The present invention relates to a workpiece fixing device that presses a plurality of parts of a workpiece to fix the workpiece. Background technique [0002] Conventionally, there is known a device that presses a plurality of parts of a workpiece to fix the workpiece. For example, JPH11-311240A discloses a work clamp that has a pressing member connected to the piston rod, and presses the large end of the connecting rod by each of the first to third pressing portions integrally formed on the pressing member. multiple parts. Besides, conventionally, in the field of machine tools, a workpiece fixing device that presses a plurality of locations of the workpiece is used in order to stably fix a workpiece to be processed. [0003] Figure 5 It is a perspective view showing an example of the above-mentioned conventional workpiece fixing device. Figure 5 The work fixing device 5 includes four air cylinders 53 disposed so as to surround the mounting table ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q3/06B23Q3/08
CPCB23Q3/06B23Q3/08B23Q3/082B23Q2703/04B23Q1/525B23Q3/069
Inventor 土肥由明赤川直树
Owner FANUC LTD