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Static pressure center frame

A center frame and static pressure technology, which is applied in the direction of large fixed members, metal processing machinery parts, metal processing equipment, etc., can solve the problem that the hydraulic center frame cannot meet the processing needs, so as to prevent the workpiece from falling and damage, and the workpiece is placed smoothly. The effect of less damage to the surface of the workpiece

Pending Publication Date: 2018-07-20
ZHEJIANG CHANGXING JUYUAN MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Ordinary or hydraulic steady rests on existing heavy-duty CNC horizontal lathes cannot meet processing needs

Method used

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  • Static pressure center frame
  • Static pressure center frame

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Embodiment

[0020] Example: such as Figure 1-2 As shown, a static pressure center frame includes a center support 1 and a base 3. The center support 1 includes a main support sleeve 4 located in the middle of the center support 1, and right support sleeves on both sides of the main support sleeve 4 are respectively provided. Cylinder 5, left support sleeve 8; main support sleeve 4 includes a jacking device for adjusting the position of the workpiece set in the main support sleeve 4, and a hydrostatic bearing pad 2 set on the upper end of the main support sleeve 4 to support the workpiece . The workpiece is supported by the static pressure bearing pad 2, and the jacking device ensures that the workpiece is at and maintains an appropriate height. The oil film is formed on the static pressure bearing pad 2, so that the workpiece runs smoothly without vibration, with small friction coefficient, small damage to the workpiece surface, and high machining accuracy.

[0021] Specifically, the ce...

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PUM

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Abstract

The invention discloses a static pressure center frame which comprises a center support and a base. The center support comprises a main bearing sleeve arranged in the center support, and a right bearing sleeve and a left bearing sleeve arranged on two sides of the main bearing sleeve; and the main bearing sleeve comprises a lifting device arranged in the main bearing sleeve and used for adjustinga position of a workpiece, and a static pressure bearing bush arranged at the upper end of the main bearing sleeve and used for bearing the workpiece. The static pressure center frame provided by theinvention can overcome the defects of the prior art, ensures the workpiece to stably operate, is high in processing precision and convenient in equipment operation, has a safety measure, and preventsthe workpiece from falling and being damaged.

Description

technical field [0001] The invention relates to the field of manufacturing large shaft parts, in particular to a static pressure center frame. Background technique [0002] The existing heavy-duty horizontal lathes used to be supported by a sliding support center frame in the past. The adjustment of the center frame center is done by jacking up the oil cylinder through hydraulic control or manually. Friction generates a lot of heat, which makes the workpiece support accuracy out of tolerance and the machining accuracy is not high. In recent years, due to the rapid rise of the domestic equipment industry, the size of the processed parts, that is, the load capacity of the machine tool has become larger and larger, and the requirements for the processing accuracy of the parts have become higher and higher, especially for the new generation of hydropower, nuclear power and other industries at home and abroad. The design of the industry requires rotor shafts with large diameter ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q1/76
CPCB23Q1/763
Inventor 李参
Owner ZHEJIANG CHANGXING JUYUAN MACHINERY