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Micro-motion stepless speed regulation grinding device for common big vertical lathe

A technology of stepless speed regulation and large vertical lathe, which is applied in the direction of grinding drive device, grinding frame, grinding bed, etc., which can solve the problem of insufficient feeding accuracy of the tool post, and the speed regulation of the grinding wheel with the up and down precision of the electric spindle grinding head And other problems, to achieve the effect of wide grinding range, economical and practical, high utilization rate

Inactive Publication Date: 2012-05-23
INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem of the present invention is to overcome the deficiencies of the prior art and provide a micro-motion stepless speed-adjustable grinding device for ordinary vertical lathes, which can realize the grinding function on large vertical lathes and solve the problem of large vertical lathes The problem of insufficient feeding accuracy (0.1mm / grid) of the tool holder of the vertical lathe, the problem of the lifting accuracy of the electric spindle grinding head relative to the worktable of the large vertical lathe, and the problem of the speed regulation of the grinding wheel

Method used

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  • Micro-motion stepless speed regulation grinding device for common big vertical lathe
  • Micro-motion stepless speed regulation grinding device for common big vertical lathe
  • Micro-motion stepless speed regulation grinding device for common big vertical lathe

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Embodiment Construction

[0023] Such as figure 1 , 2 , 3, and 4, the two-dimensional adjustment mechanism 1 is composed of two pairs of rotary bearing pairs 21 and a pair of dovetail pairs 22 to form the support body 5, the first connecting body 6, the second connecting body 7 and the guide rail mounting plate 8, the supporting body 5 The outer ring of a pair of angular contact bearings is fixed through the bearing seat and the bearing end cover, and the first connecting body 6 is connected and fixed by a shaft to the inner ring of the angular contact bearing, so that the first connecting body 6 rotates back and forth relative to the support body 5, The adjusting screw 31 rotates the first connecting body 6, and the locking after the rotation adjustment utilizes the elastic deformation between the supporting body 5 and the first connecting body 6, and is locked with the screw of the locking mechanism 32; the first connecting body 6 and The second connecting body 7 is connected through its own doveta...

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Abstract

The invention relates to a micro-motion stepless speed regulation grinding device for a common big vertical lathe, which comprises a two-dimensional regulation mechanism, a hand feeding mechanism, a lifting mechanism of a grinding head and a grinding head of an electric main shaft. The two-dimensional regulation mechanism connects a support body, a first connector, a second connector and a mounting plate of a guide rail sequentially by two pairs of swivel bearing pairs and one pair of dovetail pairs and realizes the two-dimensional regulation of the entire device; the hand feeding mechanism realizes microfeed by the transmission of the two pairs of gear pairs; the lifting mechanism of the grinding head drives one pair of gear pairs by a motor, and then the gear pairs push a lead screw thread pair with a linear guide rail, thereby realizing the up-and-down lifting of the mounting plate of the electric main shaft; and the grinding head of the electric main shaft is formed by sequentially connecting an electric main shaft seat, the electric main shaft, an Morse taper shank and a grinding wheel. The invention realizes that a grinding function is realized on the common big vertical lathe, the grinding range is 0 to 10000rpm, and the minimum feed amount of the hand feeding mechanism is 0.0005mm.

Description

technical field [0001] The invention relates to the improvement of the technology of adding a micro-motion stepless speed-regulating grinding device to a common large vertical lathe, in particular to a micro-motion stepless speed-regulating grinding device for a common large vertical lathe. Background technique [0002] At present, based on the national conditions of our country, in various machinery manufacturing industries, the utilization rate of ordinary large-scale vertical lathes is still quite high, because it has the characteristics of cheap price, low requirements for operators, and strong processing capabilities, but the processed products Large parts have relatively low accuracy. For the processing of high-precision large-scale parts, the general method is to perform grinding on a large-scale grinding machine after turning on a large vertical lathe to improve the precision of the parts. Of course, there are also high-precision large-scale CNC vertical lathes with...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24B47/20B24B47/12B24B41/02
Inventor 郑鑫丁小新
Owner INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI
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