Thrust supporting structure of vertical high-precision working table
A support structure and workbench technology, applied in the direction of manufacturing tools, metal processing equipment, metal processing machinery parts, etc., can solve the problems of not being able to adapt to high-precision parts processing, failing to meet precision requirements, and difficult to improve breakthroughs, etc., to achieve Easy installation and clearance adjustment, simple structure, and improved ability to resist overturning moment
Active Publication Date: 2013-11-27
浙江陀曼智能科技股份有限公司
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Problems solved by technology
[0002] Most of the high-precision vertical worktables in the prior art are supported by plane thrust bearings and radial roller bearings. Their rotation accuracy is restricted by rolling bearings, and it is difficult to make a breakthrough improvement. Most of the accuracy is in the order of percent It is several millimeters in size, and its vibration absorption performance is very poor, so it can no longer adapt to the processing of modern high-precision parts, especially for large-scale high-precision parts in aviation, aerospace, wind power and other industries, let alone meet its precision requirements
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[0029] The specific implementation of the present invention will be described in further detail below by describing the embodiments with reference to the accompanying drawings, so as to help those skilled in the art have a more complete, accurate and in-depth understanding of the inventive concepts and technical solutions of the present invention.
[0030] Such as figure 1 The structure of the present invention expressed is a thrust support structure of a high-precision constant-current closed-type full-static vertical workbench. The vertical workbench includes a base 5, a workbench 1 mounted on the base 5, a driving wheel 4 and a driven wheel 3 that are externally engaged with each other, and the driven wheel 3 is arranged below the workbench 1, and the The driven wheel 3 is coaxially fixedly connected with the workbench 1 .
[0031] The lower surface of workbench 1 is tightly connected with high-strength screw 2 and driven wheel 3, and the driving wheel 4 that meshes with e...
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The invention discloses a thrust supporting structure of a vertical high-precision working table and adopts the technical scheme that an upward-raised round boss is arranged on a base; a driven wheel is mounted on the round boss through a circular hole in a sleeving way, and is in clearance fit with the round boss; a circumferential static pressure oil chamber is formed between the matched surfaces of the round boss and the driven wheel; a fan-shaped static pressure supporting block is arranged on the horizontal plane of a shoulder of the base where the round boss is positioned; the lower end surface of the driven wheel is contacted with the fan-shaped static pressure supporting block; a thrust static pressure oil chamber is formed between the lower end surface of the driven wheel and the upward surface of the fan-shaped static pressure supporting block. With the adoption of the technical scheme, the working table forms closed static pressure support with high rigidity and high tilting moment resistance under the actions of upward, downward and radial static pressure supporting forces; since the driven wheel moves under the support of a high-pressure oil film axially and radially, the working table has the advantages of high rotation accuracy, high rigidity, high vibration resistance, strong tilting moment resistance, simple structure and small starting moment.
Description
technical field [0001] The invention belongs to the technical field of mechanical manufacturing equipment, and relates to a workbench structure of a large-scale machining machine tool. More specifically, the invention relates to a thrust support structure of a high-precision vertical workbench. Background technique [0002] Most of the high-precision vertical worktables in the prior art are supported by plane thrust bearings and radial roller bearings. Their rotation accuracy is restricted by rolling bearings, and it is difficult to make a breakthrough improvement. Most of the accuracy is in the order of percent It is several millimeters in size, and its vibration absorption performance is very poor, so it can no longer adapt to the processing of modern high-precision parts, especially for large-scale high-precision parts in aviation, aerospace, wind power and other industries, let alone meet its precision requirements. Contents of the invention [0003] The invention prov...
Claims
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IPC IPC(8): B23Q1/38B23B19/02
Inventor 俞朝杰裴崇文王新文吕亚于涛
Owner 浙江陀曼智能科技股份有限公司