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 Posted: Sun 3:10, 08 May 2011 Post subject: franklin & marshall PLC -based yarn making machine |
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PLC-based yarn making machine cut paper coordinated control
Printing, and then folded by folding device 5, the outer layer of paper wrapped in a good nursery Kui line around the paper tube, through the four extrusion shaping roller 6, so that the inner and outer paper tube and the latitude and longitude lines bonded together, while squeezing 6 traction roller pressure setting continuous motion bag. Porous body in the tie bar 7 so porous paper bag to complete deflated. Fold the bag by the agencies on both sides of 8 into M-shaped body 11 fixed by the shape formed, cutting knife 9 cut into desired length, cut the paper 10 as the downline organization. Paper bag production line travel speed, weft density, cutting length given by the console panel. Bag making machine production process shown in Figure 1. l234678. . . :. . 5qI_ ◆ l_ ■ __ a jr11l0 write one. -L2 one ● ● Figure 1 complex mechanism of automatic paper bags of yarn making machine production process from the process can be divided into two main movements of cuts and traction, the main paper for traction motor asynchronous motor, servo motor for driving the turn cutter cut, paper Bag length traction and positioning cutting through the two move in the bag within a bag by a long period turn cutter servo motor coordination,[link widoczny dla zalogowanych], that is,[link widoczny dla zalogowanych], through a bag for every length of paper, turn the cutter just a turn. main drive induction motor from the inverter control, the traction device in a paper bag encoder, servo motors for the coordination of turn cutter base. According to T = L / V (L as the length of the bag, V for the bags of speed) to calculate the shear transfer blade rotation period T value, the value determined under the T turn cutter in this campaign cycle, the speed law that set off areas in the high-speed rotating cutter cutting, set the area of non-cutter track to go off the speed bags,[link widoczny dla zalogowanych], to ensure that in a cycle T , the switch to turn the cutter is better for a 3.. cut off part of the servo control system 3.1 Paper & Yarn Compounded Bag Making Machine constitute the main control composite paper yarn making machine control is mainly done by the PLC,[link widoczny dla zalogowanych], the main control unit with PLC, industrial touch screen, take the speed detection encoder, transfer cutter servo system control, frequency control weft winding body, paper bags traction control, frequency conversion components. control system structure shown in Figure 2. industrial touch screen switch to cut a knife ... ... ... .... ... ... ..., Code ... ... ... ... ... ~ r ... i a servo, speed signal BU bags one by one PLC code for a positioning module to drive a servo motor j ... ... a one hundred and ten! _ ▲ ... T.... ... ... 'a device ... j ... ...:: ... ... a ... ... ... ... ... one thousand one hundred and eleven j, a weft Rao induction motor drive cable body color sensors: 1r... ... a ... A ... ... ... ..... ... ... ... ... drive. 'asynchronous traction motors of a paper bag; servo system control block diagram of Figure 2, 3.2 bag making machine (to Cutter AC servo) control system works first by the Industrial Touch Screen Given the speed bag, the bag length and latitude density, and then the PLC is given by induction motor traction drive speed bag and the speed of the weft winding body. away from the encoder to measure the actual speed bags, by the value of the encoder feedback and a given length of the bag, PLC control switch module through the cutter positioning servo system, servo drive system of the AC servo system with speed control mode. encoder detects a bag long to complete a turn on the switch to control cutter , and time off, turn the cutter with a constant cutting speed .6】. transfected cutter control flow diagram shown in Figure 3. surface r ... ... ~----- two hundred twenty-two == b::: = a - ... ... ... ... I increasingly Fort Fort sewing speed and Da honey hut; {a ~---- L - Speed Control of a {calculate the amount of bags! l a i one by one ... ... a ... a ... ~ ~ a ... ... one by one, Gan parallel machine operator control hut Star l. .. a ... a j ... ... ~ ~ ... ~ ... evil one by one usurp the starting Ang l knife,[link widoczny dla zalogowanych], a ,..---- ..., - a - a starting point i calculated to take the bags off point of the length of ... - a - a ,-,---. t,. - --. ... one ... one by one ... .... calculation Cutter cut transfer process jY volume and speed of rotation turn the cutter control flow chart in Figure 3 3.3 making machine in the process of coordinating the work of control and implementation of the main converter 3.3.1 P1 speed calculation reference travel speed range of paper bags: 0 ~ 20m/min, with 12-bit analog module, when the bag of speed Vm / min, its a given value: = 32,767 v3.3.2 value P2 drive speed clams when the weft density calculation S1 (root / 1OOmm), the speed of the current paper is Vm / min when using 12-bit analog module, weft number of disk spindles 60, the maximum speed is 1500r/min induction motor, its value is given: : The 32767 where: fJ for the transmission ratio, Sl for the weft density (roots / involved in the North moreover fan fan fu studio machine T. ...;
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