A double-layer scissors blade changing device and its blade changing method
A double-layer, cutting-edge technology, applied in the field of metallurgical rolling, can solve the problems of occupying space, complex structure, large volume, etc., and achieve the effect of high work efficiency, simple structure and small volume
Active Publication Date: 2018-07-24
MCC SFRE HEAVY IND EQUIP
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Problems solved by technology
[0002] In the cold rolling mill of a steel mill, double-layer shears are very important equipment. Double-layer shears need to be replaced during maintenance. However, the existing double-layer shear blade replacement equipment has a complex structure, large volume, and takes up a lot of space. , the operation of double-layer scissors is complicated, which makes the work efficiency of double-layer scissors low.
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[0030] The present invention is described in detail below in conjunction with accompanying drawing and specific embodiment;
[0031] The invention provides a double-layer scissors blade changing device, such as Figure 1-Figure 8 As shown, it includes a fixing device a24 and a fixing device b25 respectively located at both ends of the scissor blade replacement bracket 2, and the fixing device b25 includes a fixing seat 7,
[0032] The fixing device a24 includes a fixed bracket 6, on which a lower movable bracket 8, an upper movable bracket 9 and a bracket 12 are coaxially sleeved sequentially, the upper movable bracket 9 is covered with a fine-tuning nut 5, and the lower movable bracket 8 is covered with a replacement sleeve 10;
[0033] The fixed support 6 is provided with a support fixing bolt 21, and the lower movable support 8 is provided with a support positioning safety pin hole 13;
[0034] The bracket 12 is covered with a bushing 23, and the bushing 23 is installed i...
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The invention discloses a double-cut shear blade replacement device. The device comprises a fixed device a and a fixed device b, which are positioned at the two ends of a shear blade replacement bracket respectively. The double-cut shear blade replacement device is simple in structure and small in size. A double-cut shear blade replacement method comprises the following steps: 1, arranging the fixed device a; 2, regulating a fixed seat; 3, regulating the fixing device a and the fixing device b to finish replacement of shear blades. According to the double-cut shear blade replacement method, replacement of a lower-channel upper shear blade, an upper-channel lower shear blade, an upper-channel upper shear blade and a lower-channel lower shear blade can be finished only by regulating the height of a replacement sleeve, regulating the position of the fixed device b through a positioning bolt and then adopting the same steps, so that the working efficiency is high.
Description
technical field [0001] The invention belongs to the technical field of metallurgy and rolling, and relates to a device for changing blades of double-layer shears, and also relates to a method for changing blades of double-layer shears using the device. Background technique [0002] In the cold rolling mill of a steel mill, double-layer shears are very important equipment. Double-layer shears need to be replaced during maintenance. However, the existing double-layer shear blade replacement equipment has a complex structure, large volume, and takes up a lot of space. , The double-layer scissors blade change operation is complex, making the double-layer shears blade change work efficiency low. Contents of the invention [0003] The object of the present invention is to provide a double-layer scissors blade changing device, which has a simple structure. [0004] Another object of the present invention is to provide a method for changing blades of double-layer scissors, which ...
Claims
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IPC IPC(8): B23D33/00
CPCB23D33/00
Inventor 姬明刚史维青王菊常海军
Owner MCC SFRE HEAVY IND EQUIP