Linear motion bearing assembly

A linear motion bearing, linear bearing technology, applied in the direction of linear motion bearings, bearing components, bearings, etc., can solve the problems of easy adhesion of dust or chips, shortened service life, linear bearing wear, etc., to reduce wear and strain, Improves straightness and load-carrying capacity, and contributes to smoothness

Active Publication Date: 2018-09-21
宁波美亚特精密传动部件有限公司
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Regardless of whether sliding linear bearings or rolling linear bearings are used, during the actual movement, a part of the shaft will be exposed to the air. In harsh environments, foreign particles such as dust or chips are likely to adhere to the shaft surface and be brought into the linear bearing.

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  • Linear motion bearing assembly
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Embodiment Construction

[0032] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0033] A linear motion bearing assembly disclosed in this embodiment, such as figure 1 and figure 2 As shown, it includes a cylindrical bearing seat 1, the inner cavity of the bearing seat 1 is provided with linear bearings 3 for the drive shaft 2 to pass through in turn at the inner cavity of the bearing seat 1, and the end surface of the bearing seat 1 is provided with linear bearings for 3 snap-in stepped ring groove 8. That is, there are two stepped ring grooves 8, which are respectively symmetrically opened on the two end faces of the bearing housing 1, and the central axis of each stepped annular groove 8 coincides with the central axis of the bearing housing 1; the linear bearing 3 is also provided with two , the two linear bearings 3 are respectively inserted into the two stepped ring grooves 8, so that the two linear bearings 3 can be kept on the ...

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Abstract

The invention discloses a linear motion bearing assembly with an aim to solve the problem that an existing linear bearing is prone to dust. The technical scheme includes that linear bearings for a transmission shaft to penetrate are respectively arranged in the cavity as well as two ends of the cavity of a bearing block; two ends of the bearing block are respectively provided with an end cap usedfor pressing the linear bearings in the cavity of the bearing block; grooves are formed in inner walls of holes, and dust rings sleeving the transmission shaft are embedded in the grooves. The doublelinear bearing structure is favorable for stability of shaft motion, and linearity and bearing capability of shaft motion are improved; the end caps play a fixation role on the linear bearings and prevent the same from being separated from the cavity of the bearing block, and the end caps can be fixed with the end face of the bearing block through bolts; the dust rings in the grooves are tightly matched with the periphery face of the transmission shaft, dust particles, water and the like can be effectively prevented from entering the bearings, and abrasion and tearing of the bearings can be reduced.

Description

technical field [0001] The invention relates to the technical field of mechanical engineering manufacturing, in particular to a linear motion bearing assembly. Background technique [0002] Linear bearings are widely used in precision equipment such as electronic equipment, tensile testing machines and digital three-dimensional coordinate measuring equipment, as well as linear motion sliding parts of industrial machinery such as automatic gas cutting machines, printers, card sorting machines, and food packaging machines. Linear bearings have the characteristics of small friction, high transmission precision, convenient starting, sensitive action, long service life and low energy consumption. It can be used for high-speed linear reciprocating motion, and it is not easy to crawl at low speed, especially suitable for frequent starting or reversing transmission parts. Classified from the principle of transmission, linear bearings are mainly divided into sliding linear bearings ...

Claims

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Application Information

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IPC IPC(8): F16C29/04F16C29/08F16C33/78
CPCF16C29/04F16C29/08F16C33/7806F16C33/783
Inventor 王民豪
Owner 宁波美亚特精密传动部件有限公司
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