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Rapid strip valve system of tandem cold mill set

A technology of cold tandem rolling mill and valve system, applied in the field of cold tandem rolling mill, can solve the problems of affecting production efficiency, low efficiency, reduction of unit speed, etc.

Inactive Publication Date: 2012-06-27
CHINA NAT HEAVY MACHINERY RES INSTCO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When switching, since the cold tandem mill does not stop, the strip has to be fed into the coiler at a certain speed, which makes manual assistance difficult and affects production efficiency; the current domestic design method is to rely on the hydraulic guide plate in front of the pinch roll to guide the strip head, The disadvantage of this method is that the response time of the hydraulic guide plate is long, and the unit speed must be reduced during operation, resulting in the disadvantages of long auxiliary time and low efficiency.

Method used

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  • Rapid strip valve system of tandem cold mill set
  • Rapid strip valve system of tandem cold mill set

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Such as figure 1 As shown in the structural schematic diagram of a strip fast valve system of a cold tandem rolling mill of the present invention, the front end of the first pinch roll 2 of the device is the input end with flying shears 1, and the rear end of the first pinch roll 2 is the output end. Two coilers, the first strip passage 9 is formed between the first pinch roller 2 and the first coiler 7, and the second strip passage is formed between the first pinch roller 2 and the second coiler 7 10. The position between the first pinch roller 2 and the two coilers is also movably connected with a valve guide plate 3, and one end of the valve guide plate 3 is hinged to the output end of the first pinch roller 2 through a hinge shaft 4, and the valve guide plate 3 The other end of the pinch roller is connected to the frame of the first pinch roller 2 through a pneumatic system 5 .

[0016] The pneumatic system is a hydraulic oil cylinder and a pneumatic valve that con...

Embodiment 2

[0019] The structure of this embodiment is basically the same as that of Embodiment 1, except that the entire device is automatically controlled by the electronic control system.

[0020] Wherein the flying shear, the pneumatic valve, the first coiler 7 and the second coiler 8 are all electrically connected with the electric control system.

[0021] When the first coiler 7 is about to complete the coiling, the first coiler 7 sends an electric signal to the electric control system, and after the electric control system receives the completion signal of the first coiler 7, the electric control system controls the flying shear 1 And the pneumatic valve of the pneumatic system 5 sends out a signal, and the flying shear 1 cuts the strip. At this time, the pneumatic valve controls the valve guide plate 3 to rise quickly and is in the lifting position, and the second coiler 8 performs coiling; the second coiler 8 When the coiling is to be completed, the second coiler 8 sends an elect...

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PUM

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Abstract

The invention relates to the tandem cold mill field, and especially relates to a rapid strip valve system of a tandem cold mill set. A valve guiding plate which can be up and down moved is arranged behind a pinch roll, so when strip reeling is completed by one reeling machine, the outlet of the mill does not shut down, the strip is automatically introduced to the other reeling machine, and an electric control system simultaneously controls the workings of a flying cutter and a pneumatic system. When the reeling will be completed by the reeling machine, the electric control system emits a signal, the flying cutter cuts the strip, and the valve guiding plate is rapidly lifted up or pulled down under the control of a pneumatic valve, so the continuous production during the switching between the two reeling machines is realized.

Description

technical field [0001] The invention relates to the field of cold tandem rolling mills, in particular to a strip fast valve system for cold tandem rolling mills. Background technique [0002] In the tandem cold rolling mill operation line, it is often necessary to switch between two coilers. When switching, since the cold tandem mill does not stop, the strip has to be fed into the coiler at a certain speed, which makes manual assistance difficult and affects production efficiency; the current domestic design method is to rely on the hydraulic guide plate in front of the pinch roll to guide the strip head, The disadvantage of this method is that the response time of the hydraulic guide plate is long, and the speed of the unit must be reduced during operation, resulting in the disadvantages of long auxiliary time and low efficiency. Contents of the invention [0003] The object of the present invention is to provide a strip fast valve system of a cold tandem rolling mill wi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21C47/34
Inventor 黄煜窦峰赵团民王会玉
Owner CHINA NAT HEAVY MACHINERY RES INSTCO