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Machine tool main shaft mechanism

A technology of machine tool spindles and spindles, which is applied in the field of machine tools, can solve problems affecting tool processing quality and product failure, and achieve the effects of convenient debugging and disassembly, less consumables, and reduced deflection amplitude

Active Publication Date: 2020-01-10
WENLING DAZHONG PRECISION MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If there is a large deflection of the rotation center line of the spindle, so that the product cannot rotate on its central axis, then it will inevitably affect the processing quality of the tool on the product

Method used

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  • Machine tool main shaft mechanism
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  • Machine tool main shaft mechanism

Examples

Experimental program
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Embodiment Construction

[0019] combine figure 1 , figure 2 , the main shaft mechanism of the machine tool includes a fixed part 10, a rotating part 20 pivotally connected with the fixed part, and a power part for driving the rotating part. To connect, the fixed part extends down into the round hole. A plurality of positioning bolts 40 are screwed on the circumferential side wall of the fixed part 10, and a positioning nut 41 is screwed on each positioning bolt. The head of the positioning bolt is pressed against the side wall of the circular hole, and the positioning nut tightens the positioning bolt. .

[0020] When the spindle mechanism is actually installed, after the spindle mechanism is assembled, that is, after the fixed part 10 and the rotating part 20 are assembled, the fixed part and the top of the round hole are fixedly connected by threaded fasteners, and then the positioning bolt 40 is rotated, and the positioning bolt is fixed along the The radial part of the part is screwed out outw...

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PUM

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Abstract

The invention discloses a machine tool main shaft mechanism. The machine tool main shaft mechanism comprises a fixed part, a rotary part and a power part, wherein the rotary part is in pivoted connection with the fixed part; the power part drives the rotary part; a machine base of the machine tool is provided with a round hole; the fixed part is fixedly connected with the top of the round hole; the fixed parts downwards stretches into the round hole; the circumferential side wall of the fixed part are spirally connected with a plurality of positioning bolts; each positioning bolt is spirally connected with a positioning nut; a positioning bolt head abuts against the side wall of the round hole; and the positioning nut fastens the positioning bolt. During actual mounting of the main shaft mechanism, after the fixed part is fixedly connected with the top of the round hole, the positioning bolt rotates, the positioning bolt is screwed out of the fixed part and abuts against the side wallof the round hole, and then the positioning nut rotates to fix the position of the positioning bolt. The positioning bolt can effectively position the main shaft mechanism, so that the deflection amplitude when the main shaft mechanism rotates is reduced as much as possible.

Description

technical field [0001] The invention relates to machining equipment, in particular to machine tools. Background technique [0002] The machine tool for cutting the product, the product is clamped on the main shaft, the main shaft rotates, drives the product to rotate, and the tool cuts the product. If there is a large deflection of the rotation center line of the main shaft, resulting in the product not being able to rotate on its central axis, then it will inevitably affect the processing quality of the tool on the product. Among them, there is a large yaw in the rotation center line of the main shaft, which can be expressed as: the rotation center line of the main shaft is not perpendicular to the horizontal plane when the main shaft rotates, but is close to vertical, resulting in yaw when the main shaft rotates. Contents of the invention [0003] The technical problem solved by the invention: how to reduce the yaw amplitude of the main shaft rotation. [0004] In orde...

Claims

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Application Information

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IPC IPC(8): B23B19/02
CPCB23Q1/70
Inventor 阮思群
Owner WENLING DAZHONG PRECISION MASCH CO LTD