Emerson industrial control products in the application of stone processing equipment

Emerson industrial control products in the application of modified stone processing equipment Xu Xianzhe Li Jue jin welcome to e hall hall 10 building materials machinery exhibition hall cement equipment, baking-free brick machine/brick making machine, block molding machine, glass production equipment, tube machine, cement. 。 。 Abstract: this article mainly introduces Emerson EC20 series PLC controller, EV1000 series inverter in Italy in the mid - 90 production of the application of the slab thicknessing machine. A, reforming equipment introduction: thicknessing machine is indispensable in the process of stone processing equipment, purpose is to use milling ways to turn stone material according to the technological requirements required thickness. Is mainly composed of lathe bed, belt roller, fixed guide rail, activity crossbeam, power head, Cutter) , such as electrical control system components. Milling method and can be subdivided into plane milling cutter and the cylinder hob. Transformation equipment is introduced in this paper adopts three cylinder hob, through roughing and semi-finishing and finishing three processing levels, the sheet forming in one time. The device of belt adopts pneumatic cylinder drag, implementing plate horizontal conveying; Beam installed three power head, before and after exercise; Each power head is equipped with hob, implement plate milling. Working principle as follows: first of all, according to the technological requirements, adjust the three vertical height of the hob; Start the three power head, open beam and belt; Plank under the drive of belt, intermittent movement; Belt move once in place, beam drive gear hob by forward after milling, and then quickly go back, again, until the plate processing is complete. Second, the current problems in equipment: 1, the equipment of beam drag adopts hydraulic servo control system, the beam hydraulic pump motor drag, by hydraulic servo system, stepless speed regulation by hydraulic motor to realize beam. At present, our country's mechanical equipment rarely USES the hydraulic servo system's speed, equipment malfunction, unable to purchase domestic components to the same fault. Siemens PLC control system using the old products, large volume, energy consumption and serious aging, frequent failure; Also due to unable to purchase the components in China, so the maintenance cost is higher, the maintenance cycle is long, bring inconvenience to the production of the enterprise. 2, processing way drab, production efficiency is low. The machining process as shown in the figure below: you can see by the above the device of automatic processing process only: 'one-way feed, air knife back' a way of working, the board processing limitations caused by failure to raise the efficiency. Three, the transformation plan: 1, through research and repeated proof, we decided to adopt EV1000 - Emerson 4 t0022g converter instead of hydraulic servo system, with Emerson EC20 - 2012 bra PLC controller to replace the original Siemens products. Because of Emerson products superior performance, reliable quality, moderate price and purchase more easily, so we as the preferred products. 2, the device on the basis of the original work flow, increase the two automatic processing ways, namely the back-end feed and feed back and forth. Feed on the single end mode, increase the knife, medium-speed backing down knife knife and slow three return types. Working process as shown in the figure below: 3, reform the system hardware diagram: 4, and the effect after transforming: reconstruction after the completion of the beam smooth operation, no impact on the reversing, speed and convenient. In automatic machining mode, due to the increased: (1) the front feed, while the back-end feed, feed three (3) before and after the processing mode selection, improve work efficiency, especially before and after 'feed' function, to improve work efficiency by two times. This modification, greatly reduces the downtime rate, save the maintenance cost. Four, conclusion: through this transformation, has reached the expected purpose, a variety of works of the increased equipment, greatly improving the work efficiency, and because the Emerson products have a variety of protection function, make the maintenance more convenient and simple. At present our country many of the stone processing enterprises in the 1990 s, the introduction of foreign advanced equipment has been aging, renovation of equipment become an important task of the enterprise. The success of the thicknessing machine modification, it is Emerson products are successfully used in stone processing enterprises of the typical case, also for Emerson products in the future application in the field of stone processing laid a good foundation.
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