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Method and device for achieving positioning and shearing control of flying shear by process software

A cutting edge position, flying shear technology, applied in automatic control device, feeding device, digital control and other directions, to achieve the effect of high control cost

Active Publication Date: 2012-08-15
MCC HUATIAN NANJING AUTOMATION ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005](2) High cost of control
[0007](3) The control system is complex and requires high quality engineers and maintenance personnel
[0008](4) High cost of control

Method used

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  • Method and device for achieving positioning and shearing control of flying shear by process software
  • Method and device for achieving positioning and shearing control of flying shear by process software
  • Method and device for achieving positioning and shearing control of flying shear by process software

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Embodiment Construction

[0034] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0035] like Figure 1-7 As shown, the present invention only utilizes the built-in process software or programmable block in the transmission device of the flying shear motor to complete the precise positioning and cutting control of the flying shear. At present, the transmission device of flying shear basically has process software or programmable blocks. For example: SIEMENS DC device 6RA70 has process software S00, SIEMENS AC drive device 6SE70 has free free function blocks, ABB AC ACS800 and DC DCS800 devices have self-defined programming functions. Most of the driving motors for start-stop flying shears on the rolling line are DC motors, and most of the transmission devices are: SIEMENS SIMOREG DC-MASTER 6RA70. Taking the SIEMENS 6RA70 transmission device driving the flying shear DC motor as an example, the main technical solution of th...

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PUM

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Abstract

The invention discloses a method and device for achieving the positioning and shearing control of a flying shear by process software, solving the problem of high cost, unstable signal and the like in the prior art. In the invention, a speed presetting module, a position presetting module and a function switch module are self-defined in the process software or a programmable block carried in a transmission device; an approach switch is arranged at the clipped corner position of a flying shear; the function switch module completes the switch control between the speed presetting module and the position presetting module through receiving the shear command of an external system and a signal sent by the approach switch; and the correct control of the positioning and shearing of the flying shear can be completed by controlling inside the transmission device. The method and the structure greatly reduce control hardware, bear low interference degree of the external signal, save the cost, are simple in operation, and have low requirement on an operator.

Description

technical field [0001] The invention relates to the field of rod and wire steel rolling, in particular to a method and device for realizing the positioning and shearing control of flying shears by using process software in the field of start-stop flying shear transmission and automatic control. Background technique [0002] Flying shear is one of the important equipment in the bar and wire rolling system, its working stability and reliability directly affect the product yield and production output. Start-stop flying shear positioning and cutting control are important links in flying shear control. At present, there are two types of control methods for realizing this control: 1. It is completed by PLC; 2. It is completed by the process board T400 (T400 is Siemens' transmission Such as 6RA70, 6SE70, etc.) configuration standard option). [0003] The positioning control of flying shears through PLC inevitably has the following problems: Take Siemens S300 CUP (6ES7 315-2AG10-0...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/19B23Q15/00
Inventor 吴江
Owner MCC HUATIAN NANJING AUTOMATION ENG
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