Adjustable locating interference tool shank and adjusting method thereof

An adjustable and positioning knife technology, applied in positioning devices, accessories of tool holders, turning equipment, etc., can solve the problems of high labor cost and time cost, long time for grinding shims, and large number of adjustment shims, etc., to achieve Good adaptability, reduce labor intensity of workers, and improve installation efficiency

Active Publication Date: 2018-12-18
DONGFANG ELECTRIC WUHAN NUCLEAR EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of over-positioning tool holder is actually a "preparation" method. The gap between the same machine tool spindle and different tool holders or the same tool holder and different machine tool spindle front faces is random. To measure a gap value, it needs to be matched and adjusted accordingly. Gaskets, it takes a long time to match and grind the gaskets, the cost is high, and it ca

Method used

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  • Adjustable locating interference tool shank and adjusting method thereof
  • Adjustable locating interference tool shank and adjusting method thereof
  • Adjustable locating interference tool shank and adjusting method thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0043] Example 1

[0044] Such as Figure 3 to 8 As shown, an adjustable over-positioning tool holder. The tool holder includes a cone part 1 and a cylinder part 2. The cone part 1 gradually increases in outer diameter from back to front. The cone part 1 is used for fixed installation on the machine tool. In the conical hole 4 at the front end of the main shaft 3, the rear end of the conical body 1 has an axial threaded hole (not shown in the figure). The threaded hole is used for threaded connection with a pull stud (not shown in the figure). There is a pull claw (not shown in the figure) inside, which grasps the pull nail. Both the pull claw and the pull nail are existing structures in the field, so that the tool holder can be tightened and fixed in the conical hole 4 at the front end of the main shaft 3. There are two positioning key grooves 17 on the main shaft 3 (not shown in the figure). One ends of the two positioning keys (not shown in the figure) on the main shaft 3 are ...

Example Embodiment

[0046] Example 2

[0047] Such as Figure 6 to 8 As shown, on the basis of embodiment 1, the front end of the adjustment ring 6 has an inner cone surface 11, and the rear end of the adjustment ring 9 has an outer cone surface 12, and the outer cone surface 12 is used to fit and tighten the inner cone surface 11 , And matching, the outer cone surface 12 is annular, the inner cone surface 11 includes two arc-shaped segments, and the two arc-shaped segments are divided into two gaps 18 on the adjusting ring 6.

Example Embodiment

[0048] Example 3

[0049] On the basis of embodiment 2, the adjustment section 5 is connected to the front end of the cone portion 1, and the diameter of the adjustment section 5 is not less than the maximum diameter of the front end of the cone portion 1, and the diameter of the adjustment section 5 is less than or equal to the minor diameter of the external thread 8. The diameter of the imaginary cylinder tangent to the bottom of the external thread 8 is called the minor diameter.

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Abstract

The invention relates to the technical field of machine tool machining and discloses an adjustable locating interference tool shank and an adjusting method thereof. The tool shank comprises a cone part and a cylinder part, wherein the cone part is used for being fixedly installed in a conical hole in the front end of a machine tool spindle; the rear end of the cylinder part is provided with an adjusting section which is sleeved with a first adjusting ring; the first adjusting ring can be moved axially on the adjusting section for adjustment; the first adjusting ring is used for backward jacking the front end face of the spindle; the cylinder part is provided with an outer thread which is used for threaded connection with a second adjusting ring; and the second adjusting ring can be moved axially on the cylinder part for adjustment and used for backward jacking the first adjusting ring. The tool shank is stable and reasonable in structure and low in cost, the first adjusting ring can beconveniently and quickly adjusted to make contact with and jack the front end face of the spindle, the adjustment efficiency is high, the tool shank has good adaptability to different machine tools and different clearance values, the situation that a large amount of match grinding work is carried out in a targeted mode is avoided, the labor intensity of workers is relieved, and the mounting efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of machine tool processing, in particular to an adjustable over-positioning tool holder and an adjusting method thereof. Background technique [0002] The tool handle used in general working conditions is installed on the machine tool. After the tool handle is tightened by the claws of the machine tool, there is a gap between the tool handle 20 and the front end surface 7 of the spindle, such as figure 1 As shown; the over-positioning tool holder mainly refers to the double-sided positioning of the taper handle of the tool holder and the flange end face 21 of the tool handle, wherein the flange end face 21 of the tool handle and the front end face 7 of the machine tool spindle just fit together when the tool handle is tightened by the machine tool tight while achieving positioning such as figure 2 shown. [0003] At present, over-positioning tool holders have been produced and used in large quantities, su...

Claims

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Application Information

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IPC IPC(8): B23B31/00B23Q3/12
CPCB23B31/006B23Q3/12
Inventor 刘光耀冷进明唐仕东向志杨谢鸿邓亚弟王春江税妍贠庆芳王强王庆国薛强刘义
Owner DONGFANG ELECTRIC WUHAN NUCLEAR EQUIP
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