Auxiliary lead screw supporting device and processing center

An auxiliary support and lead screw technology, applied in metal processing equipment, metal processing mechanical parts, manufacturing tools, etc., can solve the problems of reduced transmission accuracy and service life, and achieve the effect of reducing moving friction and improving support effect.

Inactive Publication Date: 2012-07-11
SANY GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, the present invention aims to propose a screw auxiliary support device and a machining center to solve the problems in the prior art that the transmission accuracy and service life are reduced due to the drooping and fluttering of the screw

Method used

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  • Auxiliary lead screw supporting device and processing center
  • Auxiliary lead screw supporting device and processing center
  • Auxiliary lead screw supporting device and processing center

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Embodiment Construction

[0024] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be pointed out that the description and sequence of specific structures in this section are only descriptions of specific embodiments, and should not be considered as limiting the protection scope of the present invention.

[0025] Please refer to Figure 1 to Figure 5 ,in, figure 1 It is a schematic structural diagram of a screw auxiliary support device provided by an embodiment of the present invention, figure 2 for figure 1 The enlarged schematic diagram of A, image 3 for figure 1 Sectional view of the screw auxiliary support shown, Figure 4 for image 3 The enlarged schematic diagram of B, Figure 5 for image 3 The cross-sectional view of C-C direction. The following description will be made in con...

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Abstract

The invention relates to the technical field of machine tools, and discloses an auxiliary lead screw supporting device and a processing center. The auxiliary lead screw supporting device comprises guide plates and a pair of auxiliary supporting components, the guide plates are parallel to a lead screw, the auxiliary supporting components are disposed on the guide plates on two sides of a nut and are connected by a connecting rod, each auxiliary lead screw supporting component consists of a supporting body and a supporting table, each supporting body can move along the corresponding guide plate, the bottom of each supporting table is connected with the corresponding supporting body, and the top of each supporting table is used for supporting the lead screw. In the auxiliary lead screw supporting device in an embodiment of the invention, the two auxiliary supporting components are respectively arranged below the lead screw on two sides of the nut, and are supported on the lower side of the lead screw via arc-shaped groove surfaces of the supporting tables, the hardness of each supporting table is slightly smaller than that of the lead screw, accordingly, the lead screw is supported while influences on the surface of the lead screw are reduced, and problems that the transmission precision is reduced and the service life is shortened due to the fact that the lead screw droops and vibrates are avoided.

Description

technical field [0001] The invention relates to the technical field of machine tools, in particular to a screw auxiliary support device and a machining center. Background technique [0002] In recent years, with the rapid development of the equipment manufacturing industry, the demand of the machine tool industry has changed from simple and popular to complex, precise and large. For example, the processing table and stroke in each direction of the machining center machine tool are getting larger and larger, but at the same time, the requirements for processing quality are getting higher and higher. [0003] Due to the increase of the table and the stroke, the length of the screw used for transmission will become longer. When it is placed horizontally, the middle part of the screw will sag due to its own gravity. The screw will produce serious flutter phenomenon, and the deformation of the screw leads to a worsening of the stress environment of the balls in the screw raceway...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q1/72
Inventor 张涛李强杨刚文
Owner SANY GRP
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