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Fourth shaft device of image measuring instrument

A technology of image measurement and shaft device, applied in the field of image measurement instrument, can solve the problems of complex structure of milling cutter shank, heavy weight, measurement process error, etc.

Inactive Publication Date: 2014-08-20
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The structure of the milling tool holder on the fourth axis device of the current video measuring instrument is complex and heavy. When measuring the workpiece, the entire milling tool holder is pressed down due to the weight defect, which brings errors to the measurement process.

Method used

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Embodiment Construction

[0015] The present invention will be further described in detail below with reference to the drawings and preferred embodiments.

[0016] reference Figure 1 to Figure 5 The preferred embodiment of the fourth axis device 1 of the image measuring instrument of the present invention includes a milling cutter handle device 2, a horizontal base 30, a vertical base 31 vertically connected to the horizontal base 30, and a high-precision turbine scroll table 4 And the loosening and tightening device 5. Among them, the high-precision turbine vortex rotating table 4 is installed on the horizontal base 30 and the vertical base 31, and the milling cutter tool holder device 2 is connected to the high-precision turbine vortex rotating table 4.

[0017] The turbine scroll high-precision rotating table 4 includes a rotating disk 40 and a motor 41. The milling cutter tool holder device 2 includes a nut 20, a reducing sleeve 21 and a tool holder 22. The tool holder 22 includes a fixed portion 22...

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Abstract

The invention discloses the fourth shaft device of an image measuring instrument, which comprises a cutter arm of a milling cutter, and a workpiece loosening and fastening device. The cutter arm of the milling cutter comprises a nut, a reducing sleeve and a cutter arm, wherein a nut groove is formed on the outer side of the nut; the cutter arm is fixed on a rotating disc; and the reducing sleeve and the nut are arranged on the fixed cutter arm in turn. The workpiece loosening and fastening device comprises an elastic force regulating shaft sleeve, an elastic force locking shaft, a spring, an elastic force regulating screw and a locking shaft rotation preventing piece, wherein the elastic force regulating shaft sleeve, elastic force locking shaft, the spring and the elastic force regulating screw are arranged in turn, and then the groove at the bottom end of the elastic force locking shaft engages with the boss on the top end of the locking shaft rotation preventing piece. When a motor drives a rotating disc to rotate and the rotating disc drives the cutter arm device of the milling cutter to rotate, an oblique angle on the top end of the elastic force locking shaft presses the edge of the nut groove on the outer side of the nut, so that the nut is screwed gradually to be fastened with the cutter arm. The fourth shaft device of the image measuring instrument can realize workpiece micrometer measurement with characteristics of the conventional rotary measurement.

Description

Technical field [0001] The invention relates to an image measuring instrument, in particular to a fourth axis device of the image measuring instrument. Background technique [0002] Image measurement is currently the most widely used measurement method in the field of precision measurement. This method not only has high accuracy, but also has a fast measurement speed. The fourth axis device of the image measuring instrument is mainly used for the measurement of the size and shape error of parts or components, which plays an important role in ensuring product quality. [0003] The current milling cutter holder on the fourth axis device of the image measuring instrument has a complicated structure and is also very heavy. When measuring the workpiece, due to the weight defect, the entire milling cutter holder is pressed down, which brings errors to the measurement process. . Summary of the invention [0004] In view of the above, it is necessary to provide a fourth-axis device for th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B11/27G01B11/24
Inventor 张旨光曾锦葵肖芳宝
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD
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