Non-conventional type hole combined boring mill

A special-shaped hole and boring machine technology, applied in the field of machine tools, can solve the problems of increasing the repeated positioning error of the piston and affecting the machining accuracy of the piston, and achieve the effects of avoiding machine tool vibration, avoiding the heating of the boring head, and reducing machining errors.

Active Publication Date: 2008-02-06
BINZHOU BOHAI PISTON CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This increases the repeated positioning error of the piston, which affects the machining accuracy of the piston. At present, there is no boring machine that can perform the above functions at the same time on the market.

Method used

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  • Non-conventional type hole combined boring mill
  • Non-conventional type hole combined boring mill
  • Non-conventional type hole combined boring mill

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0021] In Fig. 1, a screw transmission part 2 is installed on the left side of the machine tool base 1, and an automatic lubricating device 10 is installed on the right side. The left side of the upper part of the machine tool base 1 is sequentially equipped with a boring head radial feed mechanism 3, a spindle motor 4 and a small hole throttling type high-speed precision hydrostatic boring head 5. The upper part of the middle part of the machine tool base 1 is provided with a precision linear guide rail 11, and the precision linear guide rail 11 is provided with a machine tool slide 12, and a rotary table 6 is installed on the machine tool slide 12, and a workpiece rotary clamping mechanism 7 is provided on the rotary table 6. . On the upper right side of the machine tool base, a snap ring slot and an inner and outer chamfering spindle box 9 are provi...

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Abstract

The invention relates to an profile hole assemble boring machine, which comprises a machine tool base, a principal axis motor, a gyrus worktable and a chucking mechanism which are arranged on the machine tool base. A clamp spring groove and an inner-outer chamfer angle and outside chamfer angle boring feed mechanism are arranged one side of the machine tool base. The rotor of the principal axis motor is directly connected with the principal axis. The invention adopts the direct connection transmission of the motor rotor and the principal axis to improve the processing precision. Because of without the belt unloading system, the vibration of the machine tool due to belt chattering is avoided, thereby reducing breakdown and avoiding the boring head heating-up phenomenon due to bearing heating. Because the clamp spring groove and the inner-outer rotating angle boring feed mechanism are arranged on the machine tool base, the precise processing of a piston profile hole, the clamp spring groove, the inner chamfer angle and outer chamfer angle are realized, thereby reducing the processing sequence, decreasing the processing error and improving the processing precision.

Description

technical field [0001] The invention relates to a machine tool, in particular to a combined boring machine for machining special-shaped holes. Background technique [0002] The basic structure of the existing boring machine and its existing shortcomings and deficiencies can be summarized into two aspects: [0003] 1. In terms of the structure of the special-shaped boring head: the special-shaped hole boring machine developed by our company Shandong Binzhou Piston Factory has a low machining accuracy (the highest resolution accuracy is 0.03um / pulse), and the transmission method of the special-shaped hole spindle adopts belt drive loading and unloading charge system. The main shaft is driven by a belt, which cannot avoid the vibration of the machine tool due to the vibration of the belt; the unloading system not only increases the source of failure, but also increases the temperature of the boring head due to the heating of the bearing friction. The same problem exists in the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B41/04B23Q1/25B23Q3/06B23B47/18B23B47/06
Inventor 王宝沛翟鹏王海涛秦磊
Owner BINZHOU BOHAI PISTON CO LTD
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