Roller in composition type actuator in cold looping type rolling mill
A driving roller, combined technology, applied in the direction of rolling, metal rolling, metal rolling, etc., can solve the problems of waste of driving rollers, increase production costs, reduce production efficiency, etc., to improve production efficiency and economic benefits, The effect of high accuracy and easy installation
Inactive Publication Date: 2008-07-23
WUHAN UNIV OF TECH
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Problems solved by technology
When rolling rings with different cross-sectional shapes, it is often necessary to replace the driving rolls with different rolling grooves after stopping the machine. This process generally takes 2-3 hours; in addition, because each driving roll It only corresponds to one type of rolling groove. When it is necessary to roll rings with different cross-sectional shapes, the driving roller must be remade, which requires a long production cycle and causes waste of materials for the driving roller; replace it with a new one. After the drive roll is installed, it needs to go through debugging and trial rolling. These steps have seriously reduced production efficiency and increased production costs.
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[0022] The following will take the D56G90 cold rolling mill type cold ring rolling mill as an example, and the present invention will be further elaborated in conjunction with the accompanying drawings.
[0023] The original driving roll of D56G90 cold ring rolling mill is as follows: Figure 4 , Figure 5 As shown, the outer circle size is D0=Φ217mm, the inner circle size is D1=Φ120mm, and the thickness B0=50mm.
[0024] The improved design of the combined driving roll of the cold ring rolling mill is as follows: figure 1 , figure 2 , image 3 shown. Divide the original driving roller into two parts, the driving roller base 1 and the groove module (right groove module 2, left groove module 5),
[0025] Such as figure 1 , figure 2 , image 3 As shown, the combined drive roll of the cold ring rolling mill includes a drive roll base 1 and a groove module, the drive roll base 1 is circular, and the drive roll base 1 is a mounting hole 6. There is a positioning groove 3...
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Abstract
A combined drive roller of the cold rolling mill for rolling ring is composed of an annular base with internal installation hole, and a slotted mould consisting of semi-circular left and right slotted moulds with molding slot on their circumferences. The internal circumference of said slotted mould is in contact with the external circumference of said annular base and fixed to the latter via screw bolts.
Description
technical field [0001] The invention relates to a driving roll of a cold ring rolling mill. technical background [0002] The driving roll is one of the important parts of the cold ring rolling mill, and the rolling groove on the driving roll determines the cross-sectional shape of the ring rolling piece. When rolling rings with different cross-sectional shapes, it is often necessary to replace the drive rolls with different rolling grooves after stopping the machine. This process generally takes 2-3 hours; in addition, because each drive roll It only corresponds to one type of rolling groove. When it is necessary to roll rings with different cross-sectional shapes, the driving roller must be remade, which requires a long production cycle and causes waste of materials for the driving roller; replace it with a new one. After the drive rolls are installed, debugging and trial rolling are required. These steps have seriously reduced production efficiency and increased producti...
Claims
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IPC IPC(8): B21H1/06B21H1/22B21B27/02
Inventor 华林赵玉民毛华杰贾耿伟
Owner WUHAN UNIV OF TECH