A kind of control system and control method for flying shear of cold continuous rolling strip steel
A technology of flying shear control and cold continuous rolling, applied in the direction of digital control, electrical program control, etc., can solve the problems of high cost of software and hardware, low control accuracy, and difficult to find, so as to improve shear accuracy, reduce cost, and improve system Effect of Reliability and Control Accuracy
Inactive Publication Date: 2011-12-14
北京金自能源科技发展有限公司 +1
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Problems solved by technology
Due to the separate control of the transmission control system and rolling line automation, this control method has disadvantages such as low control accuracy due to communication speed problems, difficult to find faults, complicated debugging, and high software and hardware costs.
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Embodiment Construction
[0034] The present invention will be further described in detail with reference to the accompanying drawings and embodiments.
[0035] The present invention is a kind of cold rolling strip flying shear control system, such as figure 1 As shown, in the existing transmission control system, a process control board 6 is added, and the absolute value position encoder 3 is installed on the drum shaft of the flying shear 4 to replace the traditional limit switch. The control system includes an automation control system 1 , a transmission control system 2 , a process control board 6 , an absolute value position encoder 3 and a motor 5 .
[0036] The automation control system 1 is usually adopted as an industrial computer or a PLC. The automation control system 1 communicates with the process control board 6 through the serial communication interface, and sends signals such as tape threading signal, tape threading completion signal, weld seam shear mode signal, and coil shear mode s...
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The invention discloses a flying shear control system of a cold continuous rolled strip steel and a control method thereof. The control system comprises an automation control system, a transmission control system, a motor, a process control plate and an absolute value position coder. A transmission control plate is arranged in the transmission control system. The motor is driven by the transmission control system. The motor is connected with a flying shear. The automation control system is communicated with the process control plate. The process control plate is communicated with the transmission control plate. According to a signal emitted by the automation control system, the process control plate realizes the locating of a shearing blade, the shearing of a welding joint and the shearing in a reeling manner. The process control plate is connected with the absolute value coder through an absolute value coder interface. The absolute value coder is connected to a revolving drum shaft of the flying shear. According to the system and the method disclosed by the invention, the reliability and the control precision of the control system are increased; the shearing position control precision and the position control measure are improved; and the cost is reduced.
Description
technical field [0001] The invention belongs to the technical field of five-stand cold continuous rolling exit flying shear control technology, and relates to five-stand cold continuous rolling exit flying shear transmission control, cutting edge positioning control and shear control, and in particular to a cold continuous rolling strip Steel flying shear control system and control method thereof. Background technique [0002] In the production of cold continuous rolling strip steel, the main task of the export flying shear is to perform head shearing, weld shearing or coil shearing on the strip steel coming out of the rolling mill, and the strip steel after shearing enters the coiler coil into steel coils. The cutting accuracy and speed of flying shears are directly related to the quality and output of products in the cold rolling production line. [0003] The current cutting process of flying shears is: the rolling line is threaded when the cutting blade is at the positi...
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IPC IPC(8): G05B19/18
Inventor 刘松斌陈小磊朱闻江颜文华周亚宁肖铁妹
Owner 北京金自能源科技发展有限公司