Application Of RFID Technology To Improve Efficiency Of Thick And Thin Coupling System

< p > in recent years, the development of coarse and fine coupling has changed rapidly. It has provided equipment guarantee for "a target=" _blank "href=" http://www.91se91.com/ "> textile < /a > factory automation and continuous production.

However, the roving and spinning between spinning mills have many features, such as multi machine, multi type, difference in spinning and diversity of products, which not only bring great difficulties to production management, but also restrict the improvement of production efficiency.

In particular, under the pressure of multiple, small batch and short cycle, how to ensure the thickness and joint system to meet the requirements of multiple varieties and small quantities, so that the "a href=" http://www.91se91.com/news/index_c.asp "/a" species can not be confused, and can be traceable, thus increasing the intelligent management and optimizing production of the spinning mill. RFID technology has many advantages.

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< p > < strong > thickness control system < /strong > /p >

< p > coarse and fine conveying system is a process of exchanging logistics and information flow between roving frame and < a href= "http://www.91se91.com/news/" > spinning machine < /a >. In this process, it is not only the pportation process of full yarn and ATC, but also requires the storage of the roving, the variety of roving, the real-time demand of the spinning frame, and reasonable dispatching and scheduling of varieties.

The traditional coarse and fine products only solve the pportation process of logistics, but the reasonable arrangement of species identification and production also needs manual participation, which can not achieve real-time tracking, precise management and intelligent control of the manufacturing process.

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< p > aiming at the actual production demand of the textile mill, the RFID control system adopts the advanced technology of the RFID, combines the computer communication technology and the fieldbus control technology, takes the RFID and sensor network as the core, realizes the real-time tracking and remote monitoring of every part of the pportation process, automatically optimizes roving requirements, realizes the fulltime yarn first in, and the roving in the yarn library has the shortest storage time, realizes the automatic identification and automatic confirmation of the yarn varieties, and meets the needs of small quantities and varieties of the spinning mill, and ensures the correctness of the yarn varieties.

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< p > the whole control system is composed of CC-LINK field bus network, RFID RFID network and main control center.

The CC-LINK fieldbus mainly completes the action flow of the whole thick and thin joint system. RFID RFID mainly completes the information recognition of roving and ATC, and sends the identification information to the main control center for processing. The main control center is the core of the whole control system, which is responsible for collecting, analyzing and processing information, issuing control instructions, and completing the orderly, reliable and efficient operation of the whole thickness control system through CC-LINK bus.

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< p > because each manufacturer's a href= "http://www.91se91.com" > roving machine < /a > is different from the spinning frame and the installation location is different, so the control system is divided into modular control, which is divided into roving machine control module, intelligent yarn library control module, public pport control module and spinning frame control module.

Each part as a control module corresponds to a control program, and the scheduling of all programs should be unified by the master control center.

The pportation of roving and the pportation of empty pipes are all carried out through the conveyor chain. In the implementation plan, each chain is equipped with an electronic tag. The electronic label gives different ID. As the only sign of each chain, the reader is installed in the roving machine, the inlet and outlet of the intelligent yarn library, the entrance and exit of each spinning frame, and the identification and information collection of the full yarn and the ATM are carried out.

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< p > < strong > thickness and application of RFID, for example, < /strong > /p >

< p > we introduce the function of RFID on the combination of thickness and thickness with a control example of thickness and thickness: the process consists of 2 roving frames, a public intelligent yarn library, a public pport track, 1 vertical tail scavengers, and 6 1440 spindles spinning spindles.

The intelligent yarn library has 8 tracks, and the spinning frame has 12 spinning frames.

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< p > the working process of the process is the automatic doffing roving machine, when spinning roving, the empty pipe which is needed for empty and full tube exchange is sent from the intelligent yarn library to the yarn exchange manipulator, the roving machine is full automatic yarn doffing, the manipulator exchanges the empty full tube, and the full yarn is conveyed to the intelligent yarn stock.

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< p > when the spinning machine needs to be filled with yarn, the demand signal is sent out. The main control system schedules the roving yarn according to roving varieties and roving storage time, and the roving to meet the spinning needs will be delivered to the spinning yarn in the positive direction. At the same time, the spun yarn with residual yarn is sent to the tail yarn clearing machine to remove the residual yarn by reverse pportation, and the cleaned empty pipe is stored in the intelligent yarn store by reversing.

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< p > assuming that one roving frame has been completed < a href= "http://www.91se91.com" > automatic doffing < /a > and manipulator empty full tube exchange process, the conveyor chain with electronic tags is roving in the direction of positive rotation. When sending the roving machine side, the card reader reads the roving spinning roving varieties, full yarn time, roving machine platform number, output information and so on, and uploads all the information to the main control center. The main control center will upload and analyze the information, and provide the basis for the instructions to be issued.

When the conveying chain is spinning away from the roving frame to enter the intelligent yarn library, the card reader at the entrance of the intelligent yarn library re reads the information of the conveying chain and uploads it again to confirm whether the information is consistent with the preceding information, and the roving enters the intelligent yarn library to wait for the demand signal of the spinning frame.

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< p > the 8 tracks of the intelligent yarn storehouse can store empty and full yarns at will.

The control center will store the full empty gauze and the reverse direction incoming air pipe coming in the forward direction. The card will be stored in accordance with the FIFO principle, and a reader can be installed at every forward and reverse entrance.

When the full yarn or ATC arrives at the card reader, the card reader automatically reads the information of the electronic tag ID, full yarn or ATC, and uploads, and stores the storage state of each yarn library track in the main control center, including track occupancy, track storage, roving or ATC, roving or ATC storage time, roving varieties and so on.

When the spinning machine sends out the demand signal, the main control center judges the storage type and storage time according to the information stored, and sends commands through the CC-LINK network to drive the conveying chain to send out the yarn library. When the full yarn is out of storage, the RFID reader will read the chain information again and upload it, confirm that the delivery varieties are the demand varieties of the spinning machine, and the main control center updates the state of the yarn library, and sets the state to be not occupied, while recording the idle time of the empty orbit.

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< p > suppose that a spinning frame needs roving. When the main control center receives the demand, it will judge whether the roving stock meets the requirements according to the varieties required for spinning. It can identify the roving which meets the requirements and has the longest storage time. The roving air pipe is sent out of the spinning machine first. The roving air pipe passes through the side reading card of the spinning machine. The card reader automatically reads the ID address of the label and uploads it. The ATC information is uploaded to the main control center, and the main control center stores the reasonable ATC according to the information.

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At the same time, when the yarn is pported to the spinning frame through the pport track, the reader automatically reads the conveyer chain information and uploads it through the spinning machine reader. The control center reconfirms whether the roving varieties are the varieties needed by the spinning machine according to the storage information and the demand information of the spinning machine. If it is released, it is not the alarm processing, so that the roving varieties can be identified and confirmed many times, and the actual demand of small batch and multi varieties of textile mills can be met. P

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The use of < p > RFID in the combination of coarse and fine has solved the problem of identifying the roving varieties of traditional coarse and fine equipment, and achieved the digitized and intelligent management of < a href= "http://www.91se91.com > > spinning" /a "roving and spinning process, and achieved good results.

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< p > combined with the characteristics of thick and thin equipment, the use of < a href= "http://www.91se91.com" > RFID RFID technology < /a > carries out variety identification, variety tracking and remote monitoring of pportation process, automatically optimizes the demand distribution of each machine, automatically records and timely feedback control information, and realizes the pmission and control of logistics and information flow between roving frame and spinning frame. It not only saves manpower and improves efficiency, but also provides strong support for managers to adjust production layout and realize flexible production scheduling in time.

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