CN100546826C - Yielding-water as well as ink automatic control system for offset machine - Google Patents
Yielding-water as well as ink automatic control system for offset machine Download PDFInfo
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- CN100546826C CN100546826C CNB2007101568534A CN200710156853A CN100546826C CN 100546826 C CN100546826 C CN 100546826C CN B2007101568534 A CNB2007101568534 A CN B2007101568534A CN 200710156853 A CN200710156853 A CN 200710156853A CN 100546826 C CN100546826 C CN 100546826C
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
Yielding-water as well as ink automatic control system for offset machine comprises plate cylinder, water supply component, ink supply parts and drives the Power Component that they rotate, and is connected to touch display screen, combined pressure sensor, the water outlet of Programmable Logic Controller input and goes out black inductive switch; Be connected to the Programmable Logic Controller output water outlet, go out black motor frequency conversion device, be connected to the variable-frequency motor of inverter output terminal; Be connected to combined pressure relay, the water outlet relay of Programmable Logic Controller output and go out black relay, be connected to the electromagnetic gas valve of relay output end, be connected to the cylinder piston of electromagnetic gas valve output, cylinder piston is by contacting by piece and fork activity, and fork one end is connected to a fixed with biography damping roller or distributor rollers.The frequency control motor that independently is provided with by Frequency Converter Control, drive water supply ink supply parts and work automatically, electromagnetic gas valve promotes cylinder piston drive biography damping roller and distributor rollers is worked automatically, reaches the ink supply of supplying water as required, realize the ink-water balance of forme, guarantee the effect of printing quality and energy savings.
Description
Technical field
The present invention relates to the control system device of offset press, particularly water outlet goes out black automatic control system about offset press.
Background technology
The principle that offset press utilizes oil and water to repel mutually; blank partly the protecting of printing figure message cannot do not made it stickingly printing ink; on offset press, establish the device of moistening forme; and control the coating weight of forme fountain solution exactly, keeping good ink-water balance state is the essential condition that obtains the high quality printing product.Though supply with what of forme quantity of ink, uniformity coefficient, and the stability that goes out ink system all influences the quality of printed matter, above-mentioned water outlet and go out device for ink and work separately and reach ink-water balance on the forme, how much realize by controlling water yield respectively and going out the China ink amount, by regulating the running speed of water bucket roller and ink foundation roller, change the time of contact that passes damping roller or distributor rollers and water bucket roller or ink foundation roller, and biography damping roller or distributor rollers number of oscillations etc. all can reach integrally-regulated effect in the change one-period.The running speed of the water bucket roller ink foundation roller of existing offset press, they regulate main experience manual setting by the operator with the time of contact that passes damping roller, distributor rollers, number of oscillations etc., influence the ink-water balance on the forme, have restricted the raising of printing quality.CN2767160Y proposes the digital control automatic inking device of a kind of curve offset press, comprise printing main frame running synchro pick-up, touch display screen, Programmable Logic Controller, relay and Jia Mo motor, the output of Programmable Logic Controller by relay with add black motor and be connected and realized that automatic control adds China ink.Though this device can realize that control adds China ink automatically, but not mentioned automatic humidification is to realize the ink-water balance problem, as previously mentioned, keeping the good ink-water balance of forme is the essential condition that obtains the high quality printing product, and therefore the control water-adding system is the ink-water balance essential important component automatically.Increase and print speed printing speed improves its execution unit and only depends on relay to exist the active force of electromagnet little thrust deficiency, response lag, problem such as easy stuck in addition along with the forme area.Common alternating current generator rotating speed is constant, and control inaccurate easy hysteresis of motor rotation time can't realize accurately controlling the size of water delivery and inking amount, and waste energy.
Summary of the invention
The technical problem to be solved in the present invention it-be design a kind of have automatic control add water and automatically control add the automatic control system of China ink, to guarantee realizing ink-water balance on the forme.The other technical problem that the present invention will solve is according to adding the requirement that water adds black control system automatically, batch (-type) biography water and ink transfer structure being improved, to adapt to the needs that water adds the black course of work that add of automatic control.
The present invention solves the problems of the technologies described above with following technical proposals.
Yielding-water as well as ink automatic control system for offset machine, comprise plate cylinder, water supply component, ink supply parts and drive the Power Component that they rotate, it is characterized in that: also comprise the Programmable Logic Controller of controlling automatically, be connected to touch display screen, combined pressure sensor, the water outlet of described Programmable Logic Controller input respectively and go out black inductive switch; Be connected to the water outlet motor frequency conversion device of Programmable Logic Controller output respectively and go out black motor frequency conversion device, be connected to water outlet motor frequency conversion device and the variable-frequency motor that goes out black motor frequency conversion device output respectively; Be connected to combined pressure relay, the water outlet relay of Programmable Logic Controller output respectively and go out black relay, be connected to combined pressure relay, water outlet relay respectively and go out the electromagnetic gas valve of black relay output end, be connected to the cylinder piston of electromagnetic gas valve output respectively, described cylinder piston is by contacting by piece and the activity of triangle fork, and an end of described triangle fork is connected to a fixed with biography damping roller or distributor rollers.
The present invention adopts Programmable Logic Controller to realize the automatic control of offset press, it is to detect offset press duty at that time by Programmable Logic Controller that wherein automatic water outlet goes out China ink control, set or revise the control parameter in conjunction with touch display screen by the human-computer dialogue input, by the CPU computing output signal in the Programmable Logic Controller, the frequency control motor that independently is provided with by Frequency Converter Control, driving water supply ink supply parts works automatically, and promote cylinder piston by electromagnetic gas valve and drive and pass damping roller and distributor rollers is worked automatically, reach the ink supply of supplying water according to quantity as required, realize the ink-water balance of forme, guarantee the effect of printing quality and energy savings.Adopt the big dynamically working of air-operated solenoid valve control cylinder piston, replace because of using relay power little, the defective of poor reliability improves printing quality.
Description of drawings
Fig. 1 is for going out black water outlet circuit block diagram automatically.
Fig. 2 is for going out black water outlet frame for movement schematic diagram automatically.
The specific embodiment
Below in conjunction with accompanying drawing technical solution of the present invention is described further.
Referring to Fig. 1, Programmable Logic Controller comprises cpu chip, memory EPROM and RAM, and the Programmable Logic Controller model is selected the FX1N-40 of Mitsubishi for use.Programmable Logic Controller PLC generally is located in the offset press control surface, by being located at the control program and the control parameter of the touch display screen input setting on the control surface, the input X13 of Programmable Logic Controller PLC connects water outlet inductive switch SB201, input X14 connects black inductive switch SB202, and input X15 connects combined pressure sensor SB203.Be connected to Programmable Logic Controller PLC output and by interface RS232 respectively with water outlet motor frequency conversion device PWM1 with go out black motor frequency conversion device PWM2 and be connected, the input of frequency converter PWM1 and PWM2 also inserts respectively manually adjusts button B1 and B2.The output of water outlet motor frequency conversion device PWM1 is connected with water outlet frequency control motor M1, the output that goes out black motor frequency conversion device PWM2 with go out black frequency control motor M2 and be connected.The output Y13 of Programmable Logic Controller is connected with water outlet control relay KA1, the output Y14 of Programmable Logic Controller with go out black control relay KA2 and be connected, the output Y15 of Programmable Logic Controller is connected with combined pressure relay K A3.The control end of water outlet relay K A1 and the electromagnetic gas valve input YV1 control water outlet electromagnetic gas valve that joins, the control end that goes out black relay K A2 be connected with electromagnetic gas valve input YV2 the control end of control electromagnetic gas valve, combined pressure relay K A3 link to each other with the input YV3 of electromagnetic gas valve the control plate cylinder pressing or separate.
AC-DC converter T becomes direct current DC24V for relay K A1, KA2 and KA3 the AC220V exchange conversion, the working power of electromagnetic gas valve YV1, YV2 and YV3 and inductive switch SB201, SB202 and SB203, wherein P-1 is 0V, and P+1 inputs or outputs for+24V.
Only express among Fig. 1 of the present invention and be used to control the control system that the automatic water outlet of offset press goes out China ink, other input/output ports of PLC are used for paper feed, and control and layback are advised automatic control systems such as numerical control adjusting automatically.
Offset press supplies water and ink feeding system spare is that batch (-type) or their structure of continous way are different according to water supply and ink supply, wherein be located at water bucket roller 1 in the bucket 5 and the ink foundation roller 11 in the ink fountain 15 and be generally continuous rotation, be located at bucket 5 or ink fountain 15 outer biography damping roller 4 or distributor rollers 14 are service intermittent.Regulate water supply ink supply amount size and can be local modulation, also can be integrally-regulatedly, automatic control and adjustment is that monoblock type is regulated.By the RS232 interface output of Programmable Logic Controller PLC, be used for variable-frequency motor is carried out speed control.Y13, Y14, the output of Y15 port by Programmable Logic Controller are used to control the duty that passes damping roller 4 or distributor rollers 14.Before start, control parameter according to forme face size printing density and speed by the touch display screen input, the automatic computing of CPU also is stored in the internal memory, the water supply ink feeding system was worked immediately when machine printed at needs, make the ink on the forme reach balance, picture and text are clear on the maintenance forme, could begin printing.
Figure 2 shows that the present invention is used for controlling automatically the embodiment that water outlet goes out ink system.
Going out water assembly comprises water storage bucket 5, water bucket roller 1, passes damping roller 4.Go out ink assembly and comprise storage ink fountain 15, ink foundation roller 11 and distributor rollers 14.Water bucket roller 1 is connected with the power transmission shaft of frequency control motor M1, ink foundation roller 11 is connected with the power transmission shaft of frequency control motor M2, offset press begins to start cylinder 20 combined pressures, the combined pressure sensor SB203 input combined pressure signal of telecommunication is to the input X15 of programmable sensor, the output interface SB232 of programmable sensor exports control signal simultaneously and provides hydroelectric machine frequency converter PWM1 and go out black motor frequency conversion device PWM2, control water outlet frequency control motor M1 respectively and go out black frequency control motor M2, frequency control motor M1, M2 foundation motor speed separately drives out damping roller 1 or ink foundation roller 11 is done the speed change rotation, in the frequency control motor running, also can from touch display screen, change the data that are provided with and adjust the rotating speed of speed governing variable-frequency motor, also can carry out manual adjustments by adjusting button B1 and B2 respectively.
Water outlet frequency control motor M1 or go out black frequency control motor M2 and start and only drive out damping roller 1 or ink foundation roller 11 runnings, the running that passes damping roller 4 or distributor rollers 14 is by other driven by motor or gear drive and still be uniform motion.It shown in Fig. 2 the pneumatic control component that passes damping roller 4 or distributor rollers 14, by cylinder piston 8,18, triangle fork 2,12, form by piece 3a, 13a and the breach 2a, the 12a that are located at triangle fork 2,12 1 end angles, one end angle of triangle fork 2 is fixed with an end that passes 4 of damping rollers, and the end that the roller of triangle fork 2 other end angles and cam 6 belows is 7 is fixed.The end that one end angle of triangle fork 12 and distributor rollers are 14 is fixed, and the end that the roller of the other end of triangle fork 12 and cam 16 belows is 17 is fixed.A breach 2a or a 12a established at the 3rd end angle of triangle fork 2,12, this breach and another roller 3,13 that is located at cylinder piston 8,18 ends fix by the corresponding sliding-contact of piece 3a, 13a.When cylinder 20 combined pressures, automatic water-supply, ink supply is just started working, when before paper arrives, advising, the KAO-1 point is connected the X15 that the combined pressure signal of telecommunication inputs to PLC by combined pressure sensor SB203, the Y15 output combined pressure signal of PLC is to electromagnetic gas valve YV3, trigger Y13 during Y15 output, Y14 outputs control signals to water outlet cylinder piston 8 simultaneously and goes out black cylinder piston 18, cylinder piston 8 and 18 is ejected respectively, be located at another roller 3 of piston end, on 13 by piece 3a, 13a, with triangle fork 2, the breach 2a at 12 1 end angles, 12a is separated from, triangle fork 2, an end angle of 12 is free state, all the other two end angles can be done clockwise or rotate counterclockwise, and the triangle fork is swung.When cam 6,16 turns to its bossing when contacting with roller 7,17, pass damping roller 4 or distributor rollers 14 and be pushed to water bucket roller 1 and ink foundation roller 11 pressing mutually.When the bossing of cam 6,16 leaves roller 7,17, pass damping roller 4 or distributor rollers 14 and leave water bucket roller 1 or ink roller 11, press to dampening vibrator roller or wavers, swing back and forth so repeatedly, number of oscillations and berthing time are controlled by electromagnetic gas valve YV1 or YV2 separately, and electromagnetic gas valve YV1 separately or the work of YV2 are then controlled by program and parameter that Programmable Logic Controller PLC sets.
When offset press does not print or breaks down; by touch display screen input stopping signal; the output Y15 of PLC stops output; Y13, Y14 stop output; relay K A1, KA2, KA3 also quit work, and electromagnetic gas valve YV1, YV2, YV3 reset, and cylinder piston 8,18 also resets; making resets by piece 3a and 13a withstands fork 2 and 12 and can not swing, and stops to pass water and ink transfer working procedure.
The inking structure also has the ink distributing roller and the wavers of equal ink structure except above-mentioned ink supply parts as shown in Figure 2, and surplus in the of totally two ten piece, also by Programmable Logic Controller and the control of its peripheral structure, its duty is no longer described by this specification for size.
Claims (5)
1, Yielding-water as well as ink automatic control system for offset machine, comprise plate cylinder, water supply component, ink supply parts and drive the Power Component that they rotate, it is characterized in that: also comprise the Programmable Logic Controller of controlling automatically, be connected to touch display screen, combined pressure sensor, the water outlet of described Programmable Logic Controller input respectively and go out black inductive switch; Be connected to the water outlet motor frequency conversion device of Programmable Logic Controller output respectively and go out black motor frequency conversion device, be connected to water outlet motor frequency conversion device and the variable-frequency motor that goes out black motor frequency conversion device output respectively; Be connected to combined pressure relay, the water outlet relay of Programmable Logic Controller output respectively and go out black relay, be connected to combined pressure relay, water outlet relay respectively and go out the electromagnetic gas valve of black relay output end, be connected to the cylinder piston of electromagnetic gas valve output respectively, described cylinder piston is by contacting by piece and the activity of triangle fork, and an end of described triangle fork is connected to a fixed with biography damping roller or distributor rollers.
2, Yielding-water as well as ink automatic control system for offset machine according to claim 1, it is characterized in that Programmable Logic Controller PLC output by interface RS232 respectively with water outlet motor frequency conversion device PWM1 with go out black motor frequency conversion device PWM2 and be connected, the output of water outlet motor frequency conversion device PWM1 is connected with water outlet frequency control motor M1, the output that goes out black motor frequency conversion device PWM2 with go out black frequency control motor M2 and be connected.
3, Yielding-water as well as ink automatic control system for offset machine according to claim 1, it is characterized in that passing the pneumatic control component of damping roller (4) by cylinder piston (8), triangle fork (2), by piece (3a) be located at breach (2a) composition at triangle fork (2) one end angles, one end angle of triangle fork (2) is fixed with an end that passes damping roller (4) axle, axle one end of the roller (7) of triangle fork (2) other end angle and cam (6) below is fixed, a breach (2a) is established at triangle fork (2) the 3rd end angle, and another roller (3) terminal with being located at cylinder piston (8) fixing by the corresponding sliding-contact of piece (3a).
4, Yielding-water as well as ink automatic control system for offset machine according to claim 1, the pneumatic control component that it is characterized in that distributor rollers (14) is by cylinder piston (18), triangle fork (12), by piece (13a) be located at breach (12a) composition at triangle fork (12) one end angles, one end of one end angle of triangle fork (12) and distributor rollers (14) axle is fixed, one end of roller (17) axle of the other end of triangle fork (12) and cam (16) below is fixed, a breach (12a) is established at triangle fork (12) the 3rd end angle, and another roller (13) terminal with being located at cylinder piston (18) fixing by the corresponding sliding-contact of piece (13a).
5, Yielding-water as well as ink automatic control system for offset machine according to claim 1 is characterized in that passing the number of oscillations of damping roller (4) and distributor rollers (14) and berthing time by electromagnetic gas valve (YV1, YV2) control separately cylinder piston (8,18) the automatically work of Programmable Logic Controller PLC by separately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101568534A CN100546826C (en) | 2007-11-16 | 2007-11-16 | Yielding-water as well as ink automatic control system for offset machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101568534A CN100546826C (en) | 2007-11-16 | 2007-11-16 | Yielding-water as well as ink automatic control system for offset machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101157292A CN101157292A (en) | 2008-04-09 |
| CN100546826C true CN100546826C (en) | 2009-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101568534A Expired - Fee Related CN100546826C (en) | 2007-11-16 | 2007-11-16 | Yielding-water as well as ink automatic control system for offset machine |
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| CN (1) | CN100546826C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103158348B (en) * | 2011-12-14 | 2015-11-04 | 中国科学院沈阳计算技术研究所有限公司 | SCM Based multichannel printing of cards control system |
| CN106626722B (en) * | 2016-09-19 | 2020-09-04 | 上海炫仁机械设备有限公司 | Offset press with novel ink distributing mechanism and application thereof |
| CN108790394A (en) * | 2018-08-22 | 2018-11-13 | 景德镇市中景印机有限公司 | A kind of combined printing machine |
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2007
- 2007-11-16 CN CNB2007101568534A patent/CN100546826C/en not_active Expired - Fee Related
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| CN101157292A (en) | 2008-04-09 |
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Granted publication date: 20091007 Termination date: 20091216 |