A system for realizing real-time detection of the edge of a bag cover by a bag opener and a non-stop feeding method
A bag cover and feeding technology, which is applied in the system for realizing real-time detection of the edge of the bag cover by the bag opener and the field of non-stop feeding, to achieve the effect of improving real-time performance and reducing the occupation of CPU resources.
Active Publication Date: 2015-10-28
中国船舶重工集团公司第七〇五研究所
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Therefore, on the basis of the previous motion control method of the bag opening machine, we researched and proposed a simpler control method for the bag opening machine to detect the edge of the bag cover in real time and to feed materials without stopping during the detection process. There are similar technologies, but in China, there is still no similar technology proposed
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[0026] refer to figure 1 , the flap edge detection system in the present embodiment mainly includes a motion control board, a CPU, an FPGA logic circuit, a flap detection sensor, a motor and its driver, and moving parts;
[0027] The CPU is responsible for the control of the entire flap edge detection process;
[0028] The FPGA logic circuit monitors the detection signal change of the flap detection sensor, and outputs a corresponding interrupt signal to the CPU according to the output signal change of the flap detection sensor through the real-time logic written in the FPGA;
[0029] The core of the motion control board is the motion control chip MCX314; the motion control board is responsible for receiving the motion control commands of the CPU, generating control signals suitable for the motor driver, and moving parts, such as switching control signals for air-operated valves, thereby driving the motor and motion At the same time, the motion control board records the opera...
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The invention provides a system for realizing real-time bag cover edge detection of a bag opening machine and a non-stop feeding method, so as to solve the problems of precisely detecting the front and rear edges of a bag cover and accurately sewing the bag cover when a bag with the bag cover is sewed at high speed. According to the system for realizing the real-time bag cover edge detection of the bag opening machine and the non-stop feeding method, the state changes of a bag cover sensor are detected by introducing a field-programmable gate array (FPGA) logic circuit based on the bag cover detection system and control process of an existing bag opening machine, the interruption signal of the FPGA is responded in real time after a motor is driven primarily through a motion control chip which can modify a driving pulse signal in a driving process, the output pulse number of a movable control board is modified through a relevant control algorithm, and the purpose of precisely detecting the edge of the bag cover is achieved on the premise that the feeding motor of the bag opening machine does not stop working.
Description
technical field [0001] The invention relates to a system for realizing real-time detection of the edge of a bag cover by a bag opening machine and a method for feeding materials without stopping. Background technique [0002] The automatic bag opening machine is an automatic equipment that can complete the decomposed bag opening process according to the established and reasonable time sequence, so as to realize automatic sewing of pockets and cutting of pocket openings. At present, the research and development of the electronic control system of the bag opening machine is still in its infancy in China, and there are still many key technical points that need to be broken through. Among them, in the process of sewing pockets with flaps at high speed, accurate detection of the front and rear edges of the pocket flaps and accurate sewing of pocket flaps are the key points to ensure the smooth operation of the bag opening machine process and improve the automatic production effic...
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IPC IPC(8): B65G43/08B65B51/07B65B61/00
Inventor 姚振轩常铎梁敏李教练
Owner 中国船舶重工集团公司第七〇五研究所