Cigarette store conveyer YF17 chain plate stability system

Abstract: analysis of cigarette store conveyer YF17 chain plate vibration of reason, put forward the solution. Introduce the application of PLC, servo motor and drive in the machine, as well as the system configuration and working principle. Key words: YF17; Chain plate; Servo drive; Servo motor. PLC controller1 background introduction YF17 cigarette store conveyer bag production line is mainly used for volume, cigarette-rolling machines and flexible packaging machine to connect, complete YanZhi automatic transmission, storage, and buffer adjustment, make the volume by bag production line to realize high automation. It is composed of five parts, namely, hoist, overhead conveyor, drop device, storage device, electric control cabinet, as shown in figure 1. Sampling part of the hoisting machine driven by a servo control system; Vertical ascending part and overhead conveyor driven by another set of servo control system. Oblique channel and storage were driven by a servo control system. Hoist and overhead conveyor with Sweden import FLEXLINK engineering plastic chain plate, complete YanZhi from cigarette-rolling machines a fall in exports to the packaging machine of device for the job. Hoist adopt chain plate conveyor structure, the use of large turning radius turn, turn within a radius of up to 405 mm. YanZhi turning ascend with angular velocity synchronously, the belt is imported soft flat belt, to go with the left band for the same chain plate conveyor belt, promote YanZhi turn smooth transition. But as a result of vertical sections with overhead conveyor chain plate Shared a motor, motor drag chain plate is too long, sometimes cause chain plate jitter, falling YanZhi, rubs and beheaded. This topic to solve the problem of chain plate jitter, ensure YanZhi in flue is moderately elastic, no rolling and rubs phenomenon, improve the stability of the machine to ensure YanZhi transmission quality. 2 retrofit scheme is YF17 xuchang tobacco machinery co. , LTD. One of the most popular models, simple structure, good performance and easy operation. In view of the chain plate jitter is caused by the motor chain plate is too long, the retrofit scheme is put forward as follows, See figure 2) ：（ 1) Due to the vertical section and overhead transmission part B is used the same chain plate, chain plate length up to 10 m, cause chain plate have dithering phenomenon appeared in the process of movement. We will vertical part A and overhead conveyor part B respectively by two short drag chain plate, chain plate length change of 4 m and 6 m. （ 2) By vertical section A and overhead conveyor chain plate part B share A motor changes to respectively by two motor. C increase in the position of A motor, A motor only original drag B. Original boost motor driving wheel gear of 11 teeth, increase the motor driving wheel gear C for 16 teeth ( 11/16 = 0. 727). When cigarette-rolling machines speed must be so, the speed of the motor C only original motor speed of 0. 727 times. （ 3) Vertical section and overhead conveyor part B respectively controlled by A motor, the speed of vertical motor parameters can be set on the control panel, overhead conveyor motor speed in accordance with the original speed. The speed of the two parts to adjust small ( 0. 9 to 1. 1) 。 Smoke layer thickness h can be adjusted according to the need, by adjusting the vertical lift the speed of the motor and overhead conveyor to our requirements. Its formula is: smoke layer thickness h = V ° / chain plate cigarette-rolling machines speed V3 hardware type selection of PLC master station adopts Siemens S7 - The 300 series PLC controller main station; Servo system with the French schneider electric company LEXIUM17D series servo control system; Motor selection SER3BA4L5SRAB France schneider electric company. 4 electrical part adopts Profibus - software programming in this system DP communication between master station and slave station adopts the round robin mode of communication, mainly used in manufacturing automation system unit level and the level of communication. Profibus FMS( 现场总线消息规范) Defined communication between master station and the main model, mainly used in the process of automation system in the system level and workshop level data exchange. The main 315 - the Siemens PLC module 2 dp, from standing for five axis servo system, the communication rate set at 500 k. The system interface configuration is shown in figure 3.
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