Combined bearing for offset press

A combined bearing and offset printing machine technology, applied in the field of bearings, can solve the problems of inability to realize roller clutch and pressurization, complicate offset printing machine structure, and decline in printing quality, and achieve solid and clear full-page dots, uniform ink color and no ink bars, The effect of continuous adjustment

Inactive Publication Date: 2006-09-13
潍坊东航印刷科技股份有限公司
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

For the clearance in the bearing, it is possible to eliminate the radial clearance of the bearing by selecting an appropriate bearing, such as a radial thrust ball bearing, a tapered roller bearing, etc., and applying an axial preload; The preload of push ball bearings and tapered roller bearings will be transmitted to the wallboard of the offse

Method used

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  • Combined bearing for offset press
  • Combined bearing for offset press

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Example Embodiment

[0009] Such as figure 1 , figure 2 As shown, the combined bearing for an offset printing machine includes a double outer ring double row radial tapered roller bearing. The inner space of the inner ring of the double outer ring double row radial tapered roller bearing is provided with a double inner ring double row. Tapered roller bearing, the outer ring of the double inner ring double row radial tapered roller bearing and the inner ring of the double outer ring double row radial tapered roller bearing are an integral structure, and the double inner ring double The rotation center of the radial tapered roller bearing is eccentric to the rotation center of the double outer ring double row radial tapered roller bearing.

[0010] The eccentricity is located between the inner circular surface of the outer ring of the double inner ring double row radial tapered roller bearing and the outer circular surface of the inner ring of the double outer ring double row radial tapered roller bear...

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PUM

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Abstract

The invention discloses a combination bearing for an offset press, comprising a double-outer ring double-column center cone roller bearing, where there is a double-inner ring double-column center cone roller bearing arranged in a space inside inner ring of the former roller bearing, rotation centers of the two roller bearings are displaced, and the preloads applied onto the two roller bearings to eliminate radial windage of bearings are opposite and offset each other and therefore can not be transferred to wall panels so as to be able to realize high-rigidity, high-speed and high-accuracy rotation and improve printing quality, and it can realize clutch operation and pressurization between rollers by rotation of the inner ring of the double-outer ring double-column center cone roller bearing, simple in structure and reliable to operate and able to be continuously adjusted.

Description

technical field [0001] The invention relates to a bearing, in particular to a bearing for an offset printing machine. Background technique [0002] The cylinder group of the offset printing machine is installed on the wallboard of the offset printing machine through bearings and bearing sleeves. The gap in the drum support is one of the reasons for the uncertainty of the spatial position of the rotation center of the drum when the drum is rotating, and causes shaking. As a result, ink streaks, ghosting, and unclearness will occur on the printed matter, which seriously affects the quality of the printed matter. The clearance in the roller support includes the clearance in the bearing and the clearance between the bearing housing and the hole in the wall plate. For the clearance in the bearing, it is possible to eliminate the radial clearance of the bearing by selecting an appropriate bearing, such as a radial thrust ball bearing, a tapered roller bearing, etc., and applying...

Claims

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Application Information

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IPC IPC(8): F16C19/50B41F13/20
Inventor 孟范祥
Owner 潍坊东航印刷科技股份有限公司
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