A system for controlling material delivery
A material and conveying path technology, applied in the field of industrial automation control, can solve the problems of difficult maintenance, modification and expansion of control program codes, and achieve the effect of improving reusability and readability, facilitating analysis of production processes, and simple operation.
Inactive Publication Date: 2011-12-21
SUZHOU DEMAC ELECTRIC
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Problems solved by technology
[0006] The purpose of the present invention is to provide a system for controlling material transportation, which can effectively improve the automatic control level of material transportation in paint factories, and solve the problem that the code of the control program is difficult to maintain, modify and expand due to the non-standard control program of the existing PLC control system question
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Embodiment Construction
[0010] A system for controlling material delivery of the present invention will be further described in detail below.
[0011] A system for controlling material conveying in the present invention is a control system for conveying materials to designated purpose tanks according to designated doses. Conveying materials to different purpose tanks will go through different conveying routes and conveying equipment. Such as figure 1 As shown, it includes communication via Ethernet: a PLC distributed control master station, which is used to store the data of the conveying path and conveying equipment in the conveying path, run the control program for controlling material conveying, and control multiple PLC distributed IO stations; A PLC distributed IO station is used to receive commands from the PLC distributed control station and control on-site material conveying equipment; a server computer is used to directly communicate with the PLC distributed control station to monitor the st...
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The present invention discloses a system which is used for controlling the material handling. Different conveying paths and different conveying devices are provided for different materials which need to be conveyed to different target cans. The system is adopted to control the material of the designated quantity to be conveyed to the designated target can from the designated raw material can. The system is established based on the programmable logic control (PLC), and comprises a PLC distributed control terminal, a plurality of IO stations of the PLC distributed control, a computer server, a plurality of human-machine interface (HMI) operation stations and a plurality of state machines, which are communicated with each other through the Ethernet. The standard data structure is used for respectively defining the conveying device and the conveying path; the behaviors of different technical processes of the conveying path are specified; and the terminal control module of the PLC distributed control is used to realize the conveying of all materials. The present invention can effectively improve the effectiveness of the PLC program, and the operation modes of the whole system are identical, which effectively prevents the mistake in the material handling process.
Description
technical field [0001] The invention relates to the field of industrial automation control, in particular to a system for controlling material delivery in the industrial production of paint. Background technique [0002] In the coating production process, the final product is made by mixing and stirring various raw materials. The entire paint production industrial area mainly includes the raw material tank area and the production workshop area. The raw materials of coatings include: various solvents, various resins, and various additives. Solvents and resins are usually stored in solvent tanks and resin tanks respectively in raw material tank farms throughout the industrial area. The raw materials in the raw material tank area are transported to the premix tank, dilution tank, base material tank and mobile tank in the production workshop area to complete the mixing and synthesis of paint. Therefore, in the raw material tank area and the production workshop area, the pipel...
Claims
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IPC IPC(8): G05B19/418
CPCY02P90/02
Inventor 王炯刘娜顾俊宁波
Owner SUZHOU DEMAC ELECTRIC