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Bearing press-fitting device

A press-fitting device and bearing technology, applied in the field of machinery, can solve the problems of high scrap rate, inability to mass-produce, high operational risk factor, etc., and achieve the effects of high press-fitting precision, reasonable structure design and wide application range

Inactive Publication Date: 2016-08-17
LEO GRP ZHEJIANG PUMP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of press-fitting device has high scrap rate, low one-time pass rate, poor coaxiality after connection, low efficiency of press-fitting process, high risk factor of operation, high work intensity of workers, and cannot be mass-produced.

Method used

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Embodiment Construction

[0020] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

[0021] Such as figure 1 The bearing press-fitting device shown includes a base 1, a lower die 2 disposed on the base 1, and an upper die 3 disposed above the lower die 2. The lower die 2 has a vertical cavity 21 for accommodating the rotor body. The cavity 21 has a through hole 22 coaxially arranged with the cavity 21 for accommodating the lower shaft of the rotor. The upper mold 3 has a cavity 31 coaxially set with the cavity 21 for accommodating the bearing. The cavity 31 has a The second through hole 32 for accommodating the upper rotating shaft of the rotor coaxially arranged therewith, and the accommodating cavity 31 is provided with a fixing structure for fixing the bearing.

[0022] When press-fitting the bearing o...

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Abstract

The invention provides a bearing press-fitting device, belongs to the technical field of machinery, and aims to solve the problem that the bearings are dismounted and changed due to bearing noise generated in the assembling as the conventional bearing press-fitting devices are low in press-fitting precision. The bearing press-fitting device comprises a base, a lower die on the base and an upper die above the lower die, wherein a vertical concave cavity which is used for containing a rotor body is arranged in the lower die; a through hole I which is coaxial with the concave cavity and is used for containing a rotor lower rotation shaft is formed in the concave cavity; a containing cavity which is coaxial with the concave cavity and is used for containing a bearing is arranged in the upper die; a through hole II which is coaxial with the containing cavity and is used for containing a rotor upper rotation shaft is formed in the containing cavity; a fixing structure which is used for fixing the bearing is arranged in the containing cavity. The bearing press-fitting device has the advantages of being high in press-fitting precision and good in press-fitting effect.

Description

technical field [0001] The invention belongs to the technical field of machinery and relates to a bearing pressing device. Background technique [0002] In daily life, when bearings need to be installed on shaft parts, the shaft parts are generally set up manually, and the shaft parts or bearings are beaten with external force, and the bearings are inserted into the shaft parts. For example, when the existing water pump motor bearing press-fitting device is in use, the operator needs to manually put a bearing into the lower press-fitting mould, put the rotor into the press-fitting machine, put the other bearing into the upper end of the rotor shaft, and manually Hold the rotor to press-fit the bearings at both ends. This press-fitting device has high rejection rate, low one-time qualified rate, poor coaxiality after connection, low efficiency of press-fitting process, high risk factor of operation, high work intensity of workers, and cannot be mass-produced. Contents of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25B27/073
CPCB25B27/062
Inventor 任纪元仇伟伟颜成刚
Owner LEO GRP ZHEJIANG PUMP CO LTD
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