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Intelligent pressing device and method of eccentric shaft and bearing

A technology of press-fitting device and eccentric shaft, which is applied in the field of bearing assembly, can solve the problems that the orientation cannot be adjusted, the crank is difficult to realize automatic press-fitting, and the degree of automation is not high, so as to achieve the effect of automatic control of the press-fitting force

Inactive Publication Date: 2011-07-06
INST OF AUTOMATION CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this device is that the device needs to manually place the fitting worm, and the degree of automation is not high.
[0003] In the disclosed technology, the orientation of the bearing and the eccentric shaft placed in the fixture cannot be adjusted, and the force exerted by the press on the bearing cannot be controlled, which makes it difficult to automatically press the crank with the eccentric shaft

Method used

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  • Intelligent pressing device and method of eccentric shaft and bearing
  • Intelligent pressing device and method of eccentric shaft and bearing
  • Intelligent pressing device and method of eccentric shaft and bearing

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Embodiment Construction

[0059] The specific implementation of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0060] figure 1 It is a schematic diagram of an eccentric shaft and bearing intelligent press-fitting device of the present invention, including a control circuit box 1, a servo valve 21, a servo cylinder 22, a piston rod 221, a rotary table 3, a motor 31, a pressure plate 41, and a first sensor 421 , the second sensor 422, the third sensor 423, the pressure sensor 43, the support 5 and the air pump 6, the control circuit box 1 includes a microprocessor chip 11, a servo valve drive circuit 12, a motor drive circuit 13 and a distance signal acquisition circuit 14 , wherein: the pressure plate 41 is a hollow cylinder, the outer diameter of the cylinder is smaller than the outer diameter of the shaft; the inner diameter of the cylinder is approximately two-thirds of the outer diameter; there is a groove 411 on the hollow cylinder, and the ...

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Abstract

The invention relates to an intelligent pressing device and method of an eccentric shaft and a bearing. A microprocessor chip is used as a control core. A pre-compiled eccentric shaft and bearing position identifying unit, a rotary table controlling unit and a pressing disk controlling unit are stored in the microprocessor chip. The microprocessor chip is used for acquiring a distance signal through a sensor and figuring out current positions of the eccentric shaft and the bearing; the microprocessor chip is used for controlling the rotation of a rotary table according to the deviation of the current positions and set positions of the eccentric shaft and the bearing, and automatically regulating positions of the eccentric shaft and the bearing; and then the microprocessor chip is used for automatically regulating a pressing force through detecting a contact force between a pressing disk and the eccentric shaft and automatically realizing the pressing of the eccentric shaft and the bearing. The intelligent pressing device can improve the automation of the eccentric shaft and the bearing during the pressing.

Description

technical field [0001] The invention belongs to the technical field of bearing assembly, and relates to a device and method for intelligently press-fitting an eccentric shaft and a bearing. Background technique [0002] The existing bearing assembly devices are generally aimed at press-fitting concentric and coaxial bearings and shafts, and have a low degree of automation. For example, the method of press-fitting bearings on the crankshaft (patent number: CN100999047A) first fixes the crankshaft on the bracket; Line coincidence, place a top tool in the vacancy of the crankshaft, so that the two ends of the top tool are respectively pressed against the first and second main shafts of the crankshaft; finally, apply force to the bearing until the bearing is fixed on the mounting part. The disadvantages of this method are: this method requires manual placement of the top tool, and the force exerted by the press on the bearing is not easy to control, which may easily cause damag...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P19/027
Inventor 苏建华乔红区志财罗永康
Owner INST OF AUTOMATION CHINESE ACAD OF SCI
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