CN205023507U - Cigarette machine send fiber tube wind speed balancing unit controlling means - Google Patents
Cigarette machine send fiber tube wind speed balancing unit controlling means Download PDFInfo
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- CN205023507U CN205023507U CN201520765334.8U CN201520765334U CN205023507U CN 205023507 U CN205023507 U CN 205023507U CN 201520765334 U CN201520765334 U CN 201520765334U CN 205023507 U CN205023507 U CN 205023507U
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Abstract
The utility model provides a cigarette machine send fiber tube wind speed balancing unit controlling means, first pressure differential sampler mount pad in the unit control device, second pressure differential sampler mount pad, orifice flowmeter, the controller mount pad, servo drive and governing valve are installed on the wind -force pipeline in the unit control device, first pressure differential sampler, second pressure differential sampler and controller are installed respectively at first pressure differential sampler mount pad, on second pressure differential sampler mount pad and the controller mount pad, and it is continuous with the pressure difference transmitter on the orifice flowmeter through the trachea respectively, the signal input part of pressure difference transmitter passing signal line and controller is connected, signal output part input signal control servo drive by the controller drives governing valve adjusting valve aperture. In the shell of wind -force piping erection in the unit control device, air current import end cover is held through the airflow outlet of mounting screw at the wind -force pipeline through the air current entrance point of mounting screw at the wind -force pipeline, airflow outlet end cover.
Description
Technical field
The utility model relates to pipeline wind model technical field, particularly a kind of unit control apparatus realizing cigarette machine wire-feeding pipe wind speed balance.
Background technology
At present, cigarette machine Pneumatic Feeding System has captured absolute leading position in the application of cigar mill, and Pneumatic Feeding System is made up of blower fan, dust exhaustor, pipe network, wire feeder, wind power balance equipment and multiple stage cigarette machine.Wind power balance equipment is the key equipment of cigarette machine Pneumatic Feeding System wind power balance, wind speed stability contorting, it be to cigarette machine backwind tube wind speed adopt detect in real time and wind power balance measure to realize feeding tobacco-thread speed stability contorting, reduce pipe tobacco and make broken object.
The wind power balance equipment of every platform cigarette machine generally comprises backwind tube orifice-plate flowmeter, electric control valve, distributed I/O station, pipeline, sensor and annex etc., they to be arranged on cigarette machine backwind tube in the mode of dispersion and near.Wind power balance method is: adopt distributed I/O control system, using cigarette machine backwind tube wind speed as the object of process control, measure backwind tube wind speed, adopt backwind tube wind speed as the feedback signal of PID closed loop control, according to the deviation of measuring wind speed value and setting value, by program computation and output signal automatic control electric moves control cock, controlling opening of valve reaches the object of stable backwind tube wind speed, thus realizes the basicly stable of cigarette machine Pneumatic silk feeding wind power balance and wire feed air velocity duct.
Current wind power balance method adopts backwind tube wind speed as the object of process control, belong to and indirectly to realize in wire feed pipeline wind speed and stablize, its exists following not enough: the existence of 1) leaking out due to cigarette machine aspirator bucket and the randomness of air leak rate of air curtain, in fact the stability of wire-feeding pipe blast velocity control untrue; 2) because electric control valve performs an action slowly, its slow characteristic causes wind speed governing response delayed, and control accuracy is low; 3) because distributed I/O control system is based on bus network, the safe wire feed of cigarette machine and the stability requirement of wind speed stability to network high, independence and stability are not enough.Therefore wind power balance method can not meet the Precise control requirement of cigarette machine Pneumatic Feeding System wind power balance at present.
Summary of the invention
The purpose of this utility model be overcome prior art above-mentioned deficiency and a kind of cigarette machine wire-feeding pipe wind speed balancing unit control setup is provided.
The technical solution of the utility model is: a kind of cigarette machine wire-feeding pipe wind speed balancing unit control setup, and the airflow inlet end cap comprise shell, being with installation to link up with, wind pipe, the first pressure reduction sample collector, the second pressure reduction sample collector mount pad, orifice meter, the second pressure reduction sample collector, controller, servo drive, control cock, band install air stream outlet end cap, the first pressure reduction sample collector mount pad and the controller mount pad linked up with.
Controller comprises CPU, input/output module, pulse module and communication module.
Servo drive comprises alternating-current servo controller, profile of tooth drive belt, AC servo motor and coder.
Control cock comprises regulating butterfly valve and zero position switch.
Orifice meter comprises orifice plate and pressure difference transmitter.
Wind pipe is made up of short duct and long pipeline, and the aperture of wind pipe is D, and short duct is connected by flange with long pipeline, and the orifice plate on orifice meter is arranged on the coupling end of short duct and long pipeline.
First pressure reduction sample collector mount pad is welded on the thief hole of short duct tube wall, and the first pressure reduction sample collector is arranged on the first pressure reduction sample collector mount pad, and the distance between the axis of the first pressure reduction sample collector and orifice plate wooden partition is L1, L1 is 1D.
Second pressure reduction sample collector mount pad is arranged on the thief hole of long pipeline tube wall, and the second pressure reduction sample collector is arranged on the second pressure reduction sample collector mount pad, and the distance between the axis of the second pressure reduction sample collector and orifice plate wooden partition is L2, L2 is 0.5D; Controller mount pad is arranged on the tube wall of long pipeline, controller is arranged on controller mount pad, first pressure reduction sample collector and the second pressure reduction sample collector are connected with the pressure difference transmitter on orifice meter respectively by tracheae, and pressure difference transmitter is connected with the signal input part of controller by signal wire (SW); Servo drive and control cock are arranged on long pipeline exit end, control servo drive drive control cock controlling opening of valve by the signal output part output signal of controller.
Wind pipe is installed in the enclosure, and the airflow inlet end cap linked up with is arranged on wind pipe airflow inlet end by screw installed by band, is with the air stream outlet end cap installing hook to be arranged on the airflow outlet end of wind pipe by screw.
During use, cigarette machine wire-feeding pipe wind speed balancing unit control setup is arranged on the backwind tube of cigarette machine, the control loop of a closed loop is formed with the former fiber tube wind speed flow counter be arranged on cigarette machine wire-feeding pipe, wire-feeding pipe is connected with the ventilation inlet of cigarette machine upper wire-absorbing bucket, backwind tube is connected with the air outlet of aspirator bucket, using single cigarette making machine as a control unit, the direct wind speed of collection wire-feeding pipe and the wind speed of backwind tube, feedback signal using wire-feeding pipe wind speed as PID closed loop control, unit control apparatus is adopted directly to control wire-feeding pipe wind speed, realize the Precise control of cigarette machine Pneumatic silk feeding wind power balance.
Not only unit control apparatus obtains working power from cigarette machine, can work alone but also can be networked to the function that central controller or upper computer realize intensive data collection and remote monitor and control.
The cigarette machine wire-feeding pipe wind speed balancing unit control setup that the utility model provides compared with prior art has following features:
1, to leak out warning: actual air leak rate of air curtain can be calculated according to backwind tube wind speed and wire-feeding pipe wind speed, have air leak rate of air curtain to show, leak out and report to the police and safeguard prompting function.
2, low speed wire feed: adopt wire-feeding pipe wind speed as the feedback signal of PID closed loop control, eliminate the uncertain impact on fiber tube blast velocity control stability of air leak rate of air curtain, decrease the fluctuation (≤± 1.5m/s) of the wind speed of wire-feeding pipe, really achieve the target (wind speed setting: 14-16m/s) of wire-feeding pipe wind speed low speed wire feed.
3, governing response is fast: adopt servo-drive control cock, fast response time, wind power balance blast velocity control precision is high, good stability, and wire feed process whole cut rate declines≤2%.
4, plug wire judges and automatic dredging: according to the information such as fiber tube flow counter internal pressure value variation tendency, wind speed size, aspirator time can judge wire-feeding pipe whether plug wire, possess the function of automatic dredging for alarms such as silk are not enough.
5, reliability is high: possess independent control, the aviation plug of standard and network interface, the strong reliability of independence is high, independently can realize wind power balance task and can network again and realize remote monitor and control.
6, Installation and Debugging are easy: integrate each parts, have compact conformation, attractive in appearance, move the distinguishing features such as position, installation and adjustment be convenient.
Below in conjunction with the drawings and specific embodiments, detailed construction of the present utility model is further described.
Accompanying drawing explanation
Accompanying drawing 1 is cigarette machine wire-feeding pipe wind speed balancing unit control setup structural representation, and the arrow in figure is air flow line;
Accompanying drawing 2 is the left view in accompanying drawing 1;
Accompanying drawing 3 is cigarette machine wire-feeding pipe wind speed balanced system figure.
Detailed description of the invention
A kind of cigarette machine wire-feeding pipe wind speed balancing unit control setup, comprises shell 5-1, the airflow inlet end cap 5-2, the wind pipe 5-3 that are with installation hook, the first pressure reduction sample collector 5-4, the second pressure reduction sample collector mount pad 5-5, orifice meter 5-6, the second pressure reduction sample collector 5-7, controller 5-8, servo drive 5-9, control cock 5-10, is with the air stream outlet end cap 5-11, the first pressure reduction sample collector mount pad 5-12 and controller mount pad 5-13 that install and link up with.
Controller 5-8 comprises CPU, input/output module, pulse module and communication module.
Servo drive 5-9 comprises alternating-current servo controller, profile of tooth drive belt, AC servo motor and coder.
Control cock 5-10 comprises regulating butterfly valve and zero position switch.
Orifice meter 5-6 comprises orifice plate 5-6-2 and pressure difference transmitter 5-6-1.
Wind pipe 5-3 is made up of short duct 5-3-1 and long pipeline 5-3-2, the aperture of wind pipe 5-3 is D, short duct 5-3-1 is connected by flange with long pipeline 5-3-2, and the orifice plate 5-6-2 on orifice meter 5-6 is arranged on the coupling end of short duct 5-3-1 and long pipeline 5-3-2.
First pressure reduction sample collector mount pad 5-12 is welded on the thief hole of short duct 5-3-1 tube wall, first pressure reduction sample collector 5-4 is arranged on the first pressure reduction sample collector mount pad 5-12, distance between the axis of the first pressure reduction sample collector 5-4 and orifice plate 5-6-2 wooden partition is L1, L1 is 1D.
Second pressure reduction sample collector mount pad 5-5 is arranged on the thief hole of long pipeline 5-3-2 tube wall, second pressure reduction sample collector 5-7 is arranged on the second pressure reduction sample collector mount pad 5-5, distance between the axis of the second pressure reduction sample collector 5-7 and orifice plate 5-6-2 wooden partition is L2, L2 is 0.5D; Controller mount pad 5-13 is arranged on the tube wall of long pipeline 5-3-2, controller 5-8 is arranged on controller mount pad 5-13, first pressure reduction sample collector 5-4 and the second pressure reduction sample collector 5-7 is connected with the pressure difference transmitter 5-6-1 on orifice meter 5-6 respectively by tracheae, and pressure difference transmitter 5-6-1 is connected by the signal input part of signal wire (SW) with controller 5-8; Servo drive 5-9 and control cock 5-10 is arranged on long pipeline 5-3-2 exit end, controls servo drive 5-9 drive control cock 5-10 controlling opening of valve by the signal output part output signal of controller 5-8.
Wind pipe 5-3 is arranged in shell 5-1, and the airflow inlet end cap 5-2 linked up with is arranged on wind pipe 5-3 airflow inlet end by screw installed by band, and the air stream outlet end cap 5-11 of band installation hook is arranged on the airflow outlet end of wind pipe 5-3 by screw.
In the present embodiment, wind pipe 5-3 determines caliber according to the cigarette machine model of docking, medium speed engine (7000 ~ 8000/minute) adopts φ 133*1.5 pipeline, high speed machine (10000 ~ 14000/minute) adopts φ 159*2 pipeline, and hyper-speed machine (16000 ~ 20000/minute) adopts φ 159*2 pipeline.
Controller 5-8 selects Siemens Company IM151-8 or S7-300, and it comprises PLC, number connect test module, Analog input mModule, high-speed pulse output module, PROFIBUS-DP or PROFINET or ethernet communication card.
First pressure reduction sample collector mount pad 5-12, pressure sensor mount pad 5-13 and the second pressure reduction sample collector mount pad 5-15 all adopt dustproof base, prevent dust from blocking up, are convenient to cleaning.
During use, cigarette machine wire-feeding pipe wind speed balancing unit control setup is arranged on the backwind tube 4 of cigarette machine 1, the control loop of a closed loop is formed with the former fiber tube wind speed flow counter 2 be arranged on cigarette machine wire-feeding pipe 3, wire-feeding pipe 3 is connected with the ventilation inlet of cigarette machine 1 upper wire-absorbing bucket 1-1, backwind tube 4 is connected with the air outlet of aspirator bucket 1-1, using single cigarette making machine 1 as a control unit, the wind speed of direct collection wire-feeding pipe 3 and the wind speed of backwind tube 4, using wire-feeding pipe 3 wind speed as the feedback signal of PID closed loop control, unit control apparatus 5 is adopted directly to control wire-feeding pipe 4 wind speed, realize the Precise control of cigarette machine Pneumatic silk feeding wind power balance.
Not only unit control apparatus 5 obtains working power from cigarette machine 1, can work alone but also can be networked to the function that central controller or upper computer realize intensive data collection and remote monitor and control.
Its concrete control process is as follows:
A, fiber tube wind speed flow counter 2 measures wire-feeding pipe 3 wind speed, orifice meter 5-6 in unit control apparatus 5 measures backwind tube 4 wind speed, PIPE DIAMETER CALCULATION according to wire-feeding pipe 3 and backwind tube 4 goes out the air quantity Q1 of the wire-feeding pipe 3 and air quantity Q2 of backwind tube 4, the inleakage of aspirator bucket 1-1 is Q3, Q2=Q1+Q3, the air leak rate of air curtain of aspirator bucket 1-1 is K, K=(Q2-Q1)/Q2, by the controller 5-8 in unit control apparatus 5 according to Q2, Q1 and Q3 calculates air leak rate of air curtain K, when air leak rate of air curtain K exceeds the setting air leak rate of air curtain upper limit 0.2, unit control apparatus 5 will send alerting signal of leaking out, remind and safeguard,
B, the wind velocity signal of the wire-feeding pipe 3 fiber tube wind speed flow counter 2 measured sends into the controller 5-8 in unit control apparatus 5, using wire-feeding pipe 3 wind speed as the feedback signal of PID closed loop control, wire-feeding pipe 3 wind speed and wire-feeding pipe 3 wind speed setting compare by controller 5-8, as calculated and output signal control unit control setup 5 in servo drive 5-9, by the valve opening of servo drive 5-9 quick adjustment control cock 5-10, make the wind speed fast and stable of cigarette machine wire-feeding pipe 3 within the scope of setting, thus realize the stable closed loop control of Pneumatic Feeding System fiber tube wind speed,
C, pressure sensor in fiber tube wind speed flow counter 2 detects wire-feeding pipe 3 internal pressure value, pressure signal is sent into the controller 5-8 in unit control apparatus 5, controller 5-8 is according to its force value variation tendency, wind speed size judges, in wire feed process, pressure raises suddenly and wind speed declines suddenly, namely be judged as that wire-feeding pipe 3 is in plug wire state, controller 5-8 will to regulate the valves 5-10 by the servo drive 5-9 rapid on/off in control unit control setup 5, continuous execution rapid on/off secondary, controller 5-8 detects and judges to recover normally just to enter normal wire feed, as judged also to be in plug wire state, controller 5-8 can perform an aforesaid operations again, thus reach the object of dredging wire-feeding pipe 3, judge that dredging is also in blocked state two times, then output alarm signal, remind manual intervention, if reach the maximum aspirator time for three times and standby time is zero when the normal productive process aspirator time is continuous, be judged as silk not enough, then reporting to the police and point out Operation and Maintenance personnel to pay close attention to and check these aspirator bucket, wire feeding pipe line and wire feeder etc., avoiding causing cigarette machine machine halt trouble because lacking silk.
Claims (1)
1. a cigarette machine wire-feeding pipe wind speed balancing unit control setup, is characterized in that: the airflow inlet end cap comprise shell, being with installation to link up with, wind pipe, the first pressure reduction sample collector, the second pressure reduction sample collector mount pad, orifice meter, the second pressure reduction sample collector, controller, servo drive, control cock, band install air stream outlet end cap, the first pressure reduction sample collector mount pad and the controller mount pad linked up with;
Controller comprises CPU, input/output module, pulse module and communication module;
Servo drive comprises alternating-current servo controller, profile of tooth drive belt, AC servo motor and coder;
Control cock comprises regulating butterfly valve and zero position switch;
Orifice meter comprises orifice plate and pressure difference transmitter;
Wind pipe is made up of short duct and long pipeline, and the aperture of wind pipe is D, and short duct is connected by flange with long pipeline, and the orifice plate on orifice meter is arranged on the coupling end of short duct and long pipeline;
First pressure reduction sample collector mount pad is welded on the thief hole of short duct tube wall, and the first pressure reduction sample collector is arranged on the first pressure reduction sample collector mount pad, and the distance between the axis of the first pressure reduction sample collector and orifice plate wooden partition is L1, L1 is 1D;
Second pressure reduction sample collector mount pad is arranged on the thief hole of long pipeline tube wall, and the second pressure reduction sample collector is arranged on the second pressure reduction sample collector mount pad, and the distance between the axis of the second pressure reduction sample collector and orifice plate wooden partition is L2, L2 is 0.5D; Controller mount pad is arranged on the tube wall of long pipeline, controller is arranged on controller mount pad, first pressure reduction sample collector and the second pressure reduction sample collector are connected with the pressure difference transmitter on orifice meter respectively by tracheae, pressure difference transmitter is connected with the signal input part of controller by signal wire (SW), servo drive and control cock are arranged on long pipeline exit end, control servo drive drive control cock controlling opening of valve by the signal output part output signal of controller;
Wind pipe is installed in the enclosure, and the airflow inlet end cap linked up with is arranged on wind pipe airflow inlet end by screw installed by band, is with the air stream outlet end cap installing hook to be arranged on the airflow outlet end of wind pipe by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520765334.8U CN205023507U (en) | 2015-09-30 | 2015-09-30 | Cigarette machine send fiber tube wind speed balancing unit controlling means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520765334.8U CN205023507U (en) | 2015-09-30 | 2015-09-30 | Cigarette machine send fiber tube wind speed balancing unit controlling means |
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| CN205023507U true CN205023507U (en) | 2016-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520765334.8U Active CN205023507U (en) | 2015-09-30 | 2015-09-30 | Cigarette machine send fiber tube wind speed balancing unit controlling means |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113317553A (en) * | 2021-05-31 | 2021-08-31 | 浙江中烟工业有限责任公司 | On-line monitoring and diagnosing system for SACU tobacco shred air delivery controller |
| CN114287661A (en) * | 2022-01-24 | 2022-04-08 | 浙江中烟工业有限责任公司 | Wind-power wire feeding online diagnosis method and system for cigarettes |
-
2015
- 2015-09-30 CN CN201520765334.8U patent/CN205023507U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113317553A (en) * | 2021-05-31 | 2021-08-31 | 浙江中烟工业有限责任公司 | On-line monitoring and diagnosing system for SACU tobacco shred air delivery controller |
| CN114287661A (en) * | 2022-01-24 | 2022-04-08 | 浙江中烟工业有限责任公司 | Wind-power wire feeding online diagnosis method and system for cigarettes |
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