Mechanical micro-feeding knife rest for KDP crystal ultra-precise flying cutting machining machine tool

A technology for processing machine tools and feed tool holders, which is applied to stone processing equipment, fine working devices, and work accessories. Easy to adjust precisely, high stability, avoid interference effect

Active Publication Date: 2013-10-02
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention solves the problem of insufficient feed resolution, easy wear, inability to accurately adjust the feed amount, seriously affecting the processing accuracy and other mechanical micro-feeds of the micro-feed device of the existing KDP crystal ultra-pr

Method used

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  • Mechanical micro-feeding knife rest for KDP crystal ultra-precise flying cutting machining machine tool

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0012] Embodiment 1: Combining figure 1 It is explained that a mechanical micro-feed tool holder for a KDP crystal ultra-precision fly-cutting machine tool in this embodiment includes a tool holder housing 1, a feed shaft 2, a coarse adjustment nut 3, a differential head 4, an active wedge 5, Driven wedge 6 , return spring 7 , support spring 8 , end cover 9 , tool holder upper cover 10 , locking screw 11 and tool clamping block 12 , the middle of tool holder housing 1 is along the vertical direction of tool holder housing 1 A shaft hole 1-1 is machined in the direction, a nut installation groove 1-2 is machined in the middle of the shaft hole 1-1, and the shaft hole 1-1 and the nut installation groove 1-2 are communicated with each other. The feed shaft 2 includes a small shaft 2- 1 and the large axis 2-2, the small axis 2-1 and the large axis 2-2 are fixedly connected as a whole, and the small axis 2-1 and the large axis 2-2 are coaxially arranged, and the small axis 2-1 is c...

Example Embodiment

[0013] Specific implementation mode 2: Combining figure 1 It is explained that the feeding function of this embodiment is divided into two parts: coarse adjustment and fine adjustment. The coarse adjustment part adopts a screw nut mechanism, and the fine adjustment part adopts a method of driving a slope mechanism by a differential head, and the two are integrally arranged in series.

[0014] This design can increase the feed range of the tool post and improve the feed resolution and feed accuracy. Other components and connection relationships are the same as in the first embodiment.

Example Embodiment

[0015] Specific implementation three: combination figure 1 Description, the return spring 7 is a cylindrical helical compression spring, and the support spring 8 is a cylindrical helical compression spring or a butterfly spring.

[0016] Such a design is beneficial to reduce the overall size of the tool holder. Other compositions and connection relationships are the same as in the first or second embodiment.

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Abstract

The invention discloses a mechanical micro-feeding knife rest for a KDP crystal ultra-precise flying cutting machining machine tool, relates to the mechanical micro-feeding knife rest, and aims to solve the problems that a micro-feeding device of an existing KDP crystal ultra-precise flying cutting machining machine tool knife rest is insufficient in resolution, the feed rate can not be accurately adjusted, and then machining accuracy is affected, and other mechanical micro-feeding devices are not suitable for the KDP crystal ultra-precise flying cutting machining machine tool. A coarse adjusting part and a fine adjusting part are arranged in series, a feed screw nut mechanism is adopted for the coarse adjusting part, and a differential head driving slope mechanism is adopted for the fine adjusting part. A small end of a feed shaft is assembled by a precise external thread and a coarse adjusting nut. A driving wedge and a driven wedge are arranged in a large end through groove and a blind hole respectively, the driving wedge is compressed by a differential head and a reset spring at the two ends of the driving wedge, the driven wedge is fixedly connected with a knife clamping block, and a supporting spring is sleeved outside the knife clamping block, arranged in the large end blind hole with the knife clamping block and compressed by an end cover. The mechanical micro-feeding knife rest for the KDP crystal ultra-precise flying cutting machining machine tool is used for achieving micro-feeding of the KDP crystal ultra-precise flying cutting machining machine tool knife rest.

Description

technical field [0001] The invention relates to a mechanical micro-feeding tool holder, in particular to a mechanical micro-feeding tool holder used for KDP crystal ultra-precision fly-cutting machine tools. Background technique [0002] Driven by technological demands such as laser nuclear fusion and powerful laser weapons, many countries have successively built multiple large-scale laser devices, which require the use of a large number of optical components. KDP is potassium dihydrogen phosphate crystal, which is widely used in the field of laser and nonlinear optics because of its high nonlinearity and laser damage threshold. KDP crystal optical parts require high-precision surface quality and good surface roughness, but KDP crystals are soft and fragile, which are not conducive to optical processing. Traditional grinding and polishing methods are not suitable for processing KDP crystals. Ultra-precision processing technology is used to process KDP crystals. The processi...

Claims

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Application Information

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IPC IPC(8): B28D5/04B28D7/00
Inventor 张飞虎张超张龙江付鹏强栾殿荣
Owner HARBIN INST OF TECH
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