CN102392339B - System and method for automatically delivering assistants for dye vat by gravimetric method - Google Patents
System and method for automatically delivering assistants for dye vat by gravimetric method Download PDFInfo
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- CN102392339B CN102392339B CN2011102559721A CN201110255972A CN102392339B CN 102392339 B CN102392339 B CN 102392339B CN 2011102559721 A CN2011102559721 A CN 2011102559721A CN 201110255972 A CN201110255972 A CN 201110255972A CN 102392339 B CN102392339 B CN 102392339B
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- 238000005303 weighing Methods 0.000 claims abstract description 74
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- 239000012752 auxiliary agent Substances 0.000 claims description 73
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- 238000005496 tempering Methods 0.000 claims description 34
- 238000002156 mixing Methods 0.000 claims description 27
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
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Abstract
The invention mainly discloses a system and a method for automatically delivering assistants for a dye vat by a gravimetric method. The system comprises a mechanical part and an electrical control part. The assistants are automatically weighed, stirred and mixed by adopting a mechine and electric combination method and are conveyed into dye vat material buckets. Due to the adoption of the system and the method, the automatic weighing function, the automatic stirring function and the automatic conveying function on a plurality of assistants with different types on a small-scale dye vat production line can be realized; and the recording of production data, the display of alarm information and the integration of an enterprise production process control system with an enterprise information system can also be realized. The complete system has a simple structure, is convenient to operate, is accurate to measure and has high working efficiency.
Description
Technical field
The present invention relates to textile printing and dyeing automation field technical field, special relevant with a kind of gravimetric method dye vat auxiliary agent automatic delivery.
Background technology
At present, China's middle and small scale printing and dyeing enterprise is lower in the dye vat auxiliary agent field automaticity of weighing and provide and deliver, and the auxiliary agent of most printing and dyeing enterprise is weighed, and what adopt is that the workman finishes by the platform scale mode, carries then by workman's manual mode to be transported to by the on-the-spot dye vat.Working strength of workers is big, and efficiency is low, and owing to be subjected to workman's the restriction of quality and the disappearance of information management system, makes accuracy and the reliability less stable of weighing process, easily takes place to claim wrong weight, claims wrong dye vat and send the phenomenon of wrong dye vat.Simultaneously, some auxiliary agent is corrosive and pungency, adopts the workman to weigh and easily the workman is produced injury.
The delivery system though the automatic dye vat auxiliary agent of discharge method that has occurred producing on the market is abroad weighed owing to these system price costlinesses, degree of closure height, integrated difficulty, is not suitable for using at China's middle and small scale printing and dyeing enterprise.Therefore, be necessary to develop and a kind ofly have higher automaticity, higher accuracy and integrated easy auxiliary agent and weigh and induction system, for the printing and dyeing enterprise improve production efficiency and product quality of middle and small scale provides service, this case produces thus.
Summary of the invention
Fundamental purpose of the present invention provides a kind of gravimetric method dye vat auxiliary agent automatic delivery, the weighing automatically of many dissimilar auxiliary agents, stir and the automatic transport function automatically, realize the robotization of auxiliary agent dispensing, simple in structure, easy to operate, metering accurately, increase substantially work efficiency.
In order to achieve the above object, the present invention is achieved through the following technical solutions:
A kind of gravimetric method dye vat auxiliary agent automatic delivery comprises mechanical part and electric control system;
Described mechanical part comprises that the bucket of weighing constitutes the basis of weighing with the mixing agitator, is equipped with the baiting valve of weighing between the two; Auxiliary agent is stored in the higher storage vat of physical features, flows into the bucket of weighing via the auxiliary agent pipeline under the gravity effect, and the auxiliary agent valve is installed on the auxiliary agent pipeline; Water valve from the beginning and barrel cleaning valve of weighing of external tap water are installed at the bucket of weighing; Mixing agitator connection main pump will stir liquid and be transported to the dye vat charging basket by the auxiliary agent delivery pipe; The tempering tank transfer valve is installed on the auxiliary agent delivery pipe, the tempering tank circulating valve was installed before the tempering tank transfer valve simultaneously will be stirred liquid circulation stirring, the compressed air delivery valve that connects external compressed air after the tempering tank transfer valve is mixing agitator connection mixing agitator exhaust-valve and is mixing the agitator cleaning valve simultaneously; Dye vat charging basket valve is before dye vat charging basket pipeline, and the raffinate exhaust-valve is carried on the public pipeline at auxiliary agent;
Described electric control system comprises electric control circuit and pneumatic control circuit;
Electric control circuit comprises programmable controller (PLC), touch-screen and switch board and control and software is set and form that PLC, touch-screen and switch board are powered through after the conversion by power supply; After the weight signal of auxiliary agent and water is gathered by strain gauge load cell, after amplifying shaping and filtering, the active signal modulate circuit sends into the analog quantity load module of PLC; After the switch controlling signal of PLC output amplifies isolation by switch board, be connected with the solenoid valve that is installed on switch board inside;
Pneumatic control circuit be by source of the gas with after three linked piece connects, the solenoid valve by switch board inside respectively with the auxiliary agent valve, from the beginning water valve, barrel baiting valve of weighing, mix agitator exhaust-valve, tempering tank circulating valve, barrel cleaning valve of weighing, mix agitator cleaning valve, tempering tank transfer valve, compressed air delivery valve, raffinate exhaust-valve and dye vat charging basket valve and be connected; All operated pneumatic valves all adopt switch valve;
The liquid level signal that the charging basket liquid level sensor produces in the auxiliary agent bucket liquid level sensor of installing in the auxiliary agent bucket, the tempering tank liquid level sensor that mixes the agitator installation and the dye vat charging basket inserts PLC through switch board, PLC control software is according to the requirement of weighing prescription, control the auxiliary agent valve one by one and finish weighing of single auxiliary agent and water with water valve from the beginning, the compounding agent solution of weighing after finishing is discharged into the mixing agitator by barrel baiting valve of weighing, and starts main pump and stirs the back automatic transport in corresponding dye vat charging basket; Touch-screen software is monitored in real time to weighing process, automatically analyzing and processing, record and the demonstration data of weighing.
The present invention can be further perfect:
1, adopt the heavy method of meter to realize the dispensing of assistant concentration, assistant concentration is converted into gravimetric value, measured by three strain gauge load cells that are installed on the bucket of weighing, be transformed into electric analoging signal through strain gauge load cell, carry out again sending into PLC analog quantity load module after the synthetic and conditioning of signal, after the conversion of PLC software, obtain the accurate weight value; Strain gauge load cell adopts suspender with the suspension type installation method, and spacing 120 degree are distributed in the barrel edge of weighing.
2, the auxiliary agent bucket liquid level sensor of installing on the auxiliary agent storage vat can be reported to the police to level condition; The charging basket liquid level sensor that each dye vat charging basket is installed with at the dye vat controller call button is installed and connect, be that the call request that produces is accepted by PLC software when hanging down fluid level condition when there are call request and charging basket liquid level sensor in the scene; When a plurality of call requests arrived simultaneously, PLC software sorted automatically, matched with prescription system, finished and weighed and provide and deliver.
3, PLC software has learning functionality, adjusts auxiliary agent valve and tap water valve opening time automatically according to weighting error last time, and reducing auxiliary agent pipeline raffinate influences weighing precision; Touch-screen software dynamic real-time shows weighing process, realizes prescription typing, auxiliary agent storing, abnormal alarm, data statistics and the multinomial function of system parameter setting; Interconnected with management information system in enterprise, download and the data upload of weighing of realization formulation data.
A kind of gravimetric method dye vat auxiliary agent automatic delivery method, when carrying out the auxiliary agent conveying, at first open barrel baiting valve of the weighing compounding agent solution of finishing of to weigh and put into the mixing agitator, the approaching barrel cleaning valve of weighing of opening when finishing of blowing cleans and puts into agitator to the bucket of weighing, open the tempering tank circulating valve simultaneously and close the tempering tank transfer valve and mixing agitator exhaust-valve, starter motor drives main pump after stirring a period of time, open the tempering tank transfer valve and close the tempering tank circulating valve, open corresponding dye vat charging basket valve and carry; Mix the agitator cleaning valve residual liquid is carried when being transported to when mixing agitator and being in low liquid level, opening, carry the back termination of pumping that finishes; Open the compressed air delivery valve ducted residual liquid is pressed into the dye vat charging basket; In course of conveying, weighing bucket can concurrent job, and conveying and clean-out operation also be to carry out simultaneously, has improved the work efficiency of native system.
After adopting such scheme, the present invention has many beneficial effects:
The present invention has broken in the tradition workman's platform scale mode fully and has finished the operation that auxiliary agent is weighed, and adopts the mode of dynamo-electric combination that a whole set of complete automation scheme is provided, and has reduced working strength of workers, increases substantially efficiency.
Secondly, robotization control auxiliary agent is weighed and is provided and delivered among the present invention, has avoided relying on the defective of artificial subjective judgement in the past, measures precision and good reliability, and good stability, can not claim wrong weight, claims wrong dye vat and send the phenomenon of wrong dye vat.
Simultaneously, because manual steps descends significantly, make the people avoid contacting with the direct of pungency raw material with corrosivity, and improved the environment of workshop, bring effective guarantee for operator's health.
Description of drawings
Fig. 1 is the system principle synoptic diagram of preferred embodiment of the present invention.
Embodiment
By reference to the accompanying drawings, preferred embodiment of the present invention is described in further details.
As shown in Figure 1, comprise among the present invention that mechanical part and electric control system in conjunction with forming whole control, comprise electric control circuit and the pneumatic control circuit of being with PLC in the electric control system.Native system adopts the touch screen operation mode, and the operator only need simply arrange and can start native system easily and finish the work automatically.
Mechanical part mainly is the bucket 9 and mix agitator 12 and constitute the basis of weighing of weighing, and will the weigh mixed liquor of bucket 9 of the baiting valve 11 of weighing is installed between the two puts to mixing in the agitator 12.Auxiliary agent is stored in more than 3 meters in a plurality of storage vats 6 on two floor platforms of height, flows into the bucket 9 of weighing via auxiliary agent pipeline 28 under the gravity effect, and auxiliary agent valve 8 is installed on the auxiliary agent pipeline 28, opens the back auxiliary agent and flow into from storage vat 6 in the bucket 9 of weighing.
Water valve from the beginning 19 and barrel cleaning valve 18 of weighing of external tap water are installed at the bucket 9 of weighing.Mixing agitator 12 connection main pumps 15 will stir liquid and be transported in a plurality of dye vat charging baskets 25 by auxiliary agent delivery pipe 27.
Tempering tank transfer valve 20 is installed on the auxiliary agent delivery pipe 27, tempering tank circulating valve 16 was installed before tempering tank transfer valve 20 simultaneously, make the stirring liquid that pumps in the main pump 15 be circulated to and mix in the agitator 12 that stirring circulates.The compressed air delivery valve 21 that connects external compressed air after the tempering tank transfer valve 20 is mixing agitator 12 connection mixing agitator exhaust-valves 14 and is mixing agitator cleaning valve 17 simultaneously.The dye vat charging basket valve 23 that is used for charging is installed before each dye vat charging basket 25, before dye vat charging basket valve, is formed a combined feed branch road, at the combined feed branch road raffinate exhaust-valve 22 is installed.
Electric control circuit comprises programmable controller 1(PLC), touch-screen 2, switch board 3 and active signal modulate circuit 4, be furnished with control and software is set at programmable controller 1, PLC, touch-screen 2 and switch board 3 are powered through after the conversion by power of alterating and direct current 5.After the weight signal of auxiliary agent and water is gathered by strain gauge load cell 31, after amplifying shaping and filtering, the active signal modulate circuit sends into the analog quantity load module of PLC.After the switch controlling signal of PLC output amplifies isolation by switch board 3, be connected with the solenoid valve 29 that is installed on switch board 3 inside.
Pneumatic control circuit is with after three linked piece connects by source of the gas 30, solenoid valve by switch board inside respectively with auxiliary agent valve 8, from the beginning water valve 19, barrel baiting valve 11 of weighing, mix agitator exhaust-valve 14, tempering tank circulating valve 16, barrel cleaning valve 18 of weighing, mix agitator cleaning valve 17, tempering tank transfer valve 20, compressed air delivery valve 21, raffinate exhaust-valve 22 and dye vat charging basket valve 23 and be connected, all operated pneumatic valves all adopt switch valve.
Adopt the heavy method of meter to realize the dispensing of assistant concentration, assistant concentration is converted into gravimetric value, measured by three strain gauge load cells 31 that are installed on the bucket 9 of weighing, send into PLC analog quantity load module after the synthetic and conditioning conversion of the electric analoging signal that produces, after the conversion of PLC software, obtain the accurate weight value.Strain gauge load cell adopts suspender 24 with the suspension type installation method, and spacing 120 degree are distributed in bucket 9 edges of weighing.
Auxiliary agent bucket liquid level sensor 7 is installed on the auxiliary agent storage vat 6, can reports to the police to level condition.The charging basket liquid level sensor 26 that each dye vat charging basket 25 is installed with at the dye vat controller call button is installed and connect, be that the call request that produces is accepted by software among the PLC when hanging down fluid level condition when there are call request and charging basket liquid level sensor in the scene.When a plurality of call requests arrived simultaneously, PLC software sorted automatically, matched with prescription system, finished and weighed and provide and deliver.
Before starting native system, need at first to guarantee that strain gauge load cell signal wire, liquid additive level sensor signal wire, dye vat charging basket liquid level sensor signal wire and reinforced call request button signal line, solenoid control signal wire and Electric Machine Control line etc. in the ECU (Electrical Control Unit) are arranged with the corresponding wiring terminal in the switch board 3 correctly is connected.Secondly need with pneumatic control circuit with in each pneumatic valve correctly be connected with the solenoid valve of source of the gas 30 with switch board 3 inside.The bucket 9 that needs again to guarantee to weigh hangs on correct horizontal level, no-sundries and mix no raffinate in the agitator in the bucket 9 of weighing.Check at last whether each valve and pipeline have leakage phenomenon.
After inspection work was finished, the operator at first with switch board 3, touch-screen 2 and PLC energising, placed running status with PLC then, and system is in the preparation running status.
Prepare before the operation, the operator need set suitable systematic parameter at touch-screen 2, at first need correctly to read and set the bucket 9 zero-bit weight when unloaded of weighing, secondly various time parameters need be set, as cleaning and mixing time, the compressed air delivery time etc., need the alarm threshold value of setting weight and time at last.Formulation data can also can generate the back by management information system and import in the touch-screen 2 according to specified format in touch-screen 2 online inputs.Formulation data is stored in the touch-screen 2, supports power down to preserve, and when weighing beginning, formulation data will download among the PLC and go.
Prepare before the operation, the operator need observe the fluid level condition of each auxiliary agent storage vat 6 at touch-screen, to being in the auxiliary agent storage vat 6 of low liquid level, starting corresponding auxiliary agent pump at touch-screen 2 and carries out feed supplement.
The operator clicks the " RUN " button, and touch-screen is downloaded to PLC with the current formulation data, and PLC moves according to the program of prior setting, and the course of work of system is as follows:
At first system opens and weighs barrel baiting valve 11 and mix agitator exhaust-valve 14, with the raffinate emptying, and automatic suppressed zero; After confirming zero point after a while, close bucket 9 baiting valves 11 of weighing, system is in and waits for on-the-spot call state.When on-the-spot dye vat sends call request, system is according to information retrieval PLC internal memories such as dye vat number and prescriptions number, if corresponding prescription information is arranged, system enters the state of weighing.In weighing process, according to prescription information, at first open from the beginning water valve 19 and finish weighing of certain proportion water, open each auxiliary agent valve 8 in the prescription then successively, finish weighing of corresponding auxiliary agent.Auxiliary agent is weighed and is finished, system again moisturizing to the regulation general assembly (TW).
After the general assembly (TW) of weighing reaches prescription regulation general assembly (TW), open and weigh barrel baiting valve 11 and close mixing agitator exhaust-valve 14, the mixed solution in the bucket 9 of weighing is put into the mixing agitator.Blowing is opened barrel cleaning valve 18 of weighing near zero-bit the time, cleans and weighs bucket and cleaning liquid put into tempering tank.Weigh barrel blowing after zero-bit, close tempering tank transfer valve 20 and open tempering tank circulating valve 16, start main pump 15 and stir.Stir after about 10 seconds, and then open tempering tank transfer valve 20, close tempering tank circulating valve 16, open current dye vat charging basket valve 23, compounding agent solution is pumped into corresponding dye vat charging basket 25.When mixing agitator 12 and approach low liquid level, open and mix agitator cleaning valve 17, carry out tempering tank and clean and cleaning fluid is pumped into dye vat charging basket 25.After carrying a period of time, stop main pump 15 and carry, open compressed air delivery valve 21, utilize pressurized air that remaining liq is transported to dye vat charging basket 25.
After bucket 9 emptyings of weighing, system can respond new dye vat call request, the operation of weighing of a beginning new round.Therefore weigh and carry to walk abreast and carry out.
When system occurs unusually,, weigh reasons such as bucket 9 zero-bits change, valve blockage reactionless as sensor cause blowing and pan feeding at need, PLC instant alarming and record, and flashing light is reminded simultaneously.
Each prescription is weighed and is finished, and system records automatically and adds up, and statistics can be used for management information system.
Above-described embodiment only is used for explaining inventive concept of the present invention, but not to the restriction of rights protection of the present invention, allly utilizes this design that the present invention is carried out the change of unsubstantiality, all should fall into protection scope of the present invention.
Claims (5)
1. a gravimetric method dye vat auxiliary agent automatic delivery is characterized in that: comprise mechanical part and electric control system;
Described mechanical part comprises that the bucket of weighing constitutes the basis of weighing with the mixing agitator, is equipped with the baiting valve of weighing between the two; Auxiliary agent is stored in the higher storage vat of physical features, flows into the bucket of weighing via the auxiliary agent pipeline under the gravity effect, and the auxiliary agent valve is installed on the auxiliary agent pipeline; Water valve from the beginning and barrel cleaning valve of weighing of external tap water are installed at the bucket of weighing; Mixing agitator connection main pump will stir liquid and be transported to the dye vat charging basket by the auxiliary agent transfer pipeline; The tempering tank transfer valve is installed on the auxiliary agent transfer pipeline, the tempering tank circulating valve was installed before the tempering tank transfer valve simultaneously will be stirred liquid circulation stirring, the compressed air delivery valve that connects external compressed air after the tempering tank transfer valve is mixing agitator connection mixing agitator exhaust-valve and is mixing the agitator cleaning valve simultaneously; Dye vat charging basket valve is before dye vat charging basket pipeline, and the raffinate exhaust-valve is carried on the public pipeline at auxiliary agent;
Described electric control system comprises electric control circuit and pneumatic control circuit;
Electric control circuit comprises programmable controller (PLC), touch-screen and switch board and control and software is set and form that PLC, touch-screen and switch board are powered through after the conversion by power supply; After the weight signal of auxiliary agent and water is gathered by strain gauge load cell, after amplifying shaping and filtering, the active signal modulate circuit sends into the analog quantity load module of PLC; After the switch controlling signal of PLC output amplifies isolation by switch board, be connected with the solenoid valve that is installed on switch board inside;
Pneumatic control circuit be by source of the gas with after three linked piece connects, the solenoid valve by switch board inside respectively with the auxiliary agent valve, from the beginning water valve, barrel baiting valve of weighing, mix agitator exhaust-valve, tempering tank circulating valve, barrel cleaning valve of weighing, mix agitator cleaning valve, tempering tank transfer valve, compressed air delivery valve, raffinate exhaust-valve and dye vat charging basket valve and be connected; All operated pneumatic valves all adopt switch valve;
The liquid level signal that the charging basket liquid level sensor produces in the auxiliary agent bucket liquid level sensor of installing in the auxiliary agent bucket, the tempering tank liquid level sensor that mixes the agitator installation and the dye vat charging basket inserts PLC through switch board, PLC control software is according to the requirement of weighing prescription, control the auxiliary agent valve one by one and finish weighing of single auxiliary agent and water with water valve from the beginning, the compounding agent solution of weighing after finishing is discharged into the mixing agitator by barrel baiting valve of weighing, and starts main pump and stirs the back automatic transport in corresponding dye vat charging basket; Touch-screen software is monitored in real time to weighing process, automatically analyzing and processing, record and the demonstration data of weighing.
2. a kind of gravimetric method dye vat auxiliary agent automatic delivery as claimed in claim 1, it is characterized in that: at the bucket of weighing three strain gauge load cells are installed and are measured, adopt the heavy method of meter to realize the dispensing of assistant concentration, assistant concentration is converted into gravimetric value, be transformed into electric analoging signal through strain gauge load cell, carry out again sending into PLC analog quantity load module after the synthetic and conditioning of signal, after the conversion of PLC software, obtain the accurate weight value; Strain gauge load cell adopts suspender with the suspension type installation method, and spacing 120 degree are distributed in the barrel edge of weighing.
3. a kind of gravimetric method dye vat auxiliary agent automatic delivery as claimed in claim 1 is characterized in that: the auxiliary agent bucket liquid level sensor of installing on the described storage vat, level condition is reported to the police; The charging basket liquid level sensor that each dye vat charging basket is installed with at the dye vat controller call button is installed and connect, be that the call request that produces is accepted by PLC software when hanging down fluid level condition when there are call request and charging basket liquid level sensor in the scene; When a plurality of call requests arrived simultaneously, PLC software sorted automatically, matched with prescription system, finished and weighed and provide and deliver.
4. a kind of gravimetric method dye vat auxiliary agent automatic delivery as claimed in claim 1, it is characterized in that: described PLC software has learning functionality, automatically adjust auxiliary agent valve and tap water valve opening time according to weighting error last time, reducing auxiliary agent pipeline raffinate influences weighing precision; Touch-screen software dynamic real-time shows weighing process, realizes prescription typing, auxiliary agent storing, abnormal alarm, data statistics and the multinomial function of system parameter setting; Interconnected with management information system in enterprise, download and the data upload of weighing of realization formulation data.
5. the allocator of a gravimetric method dye vat auxiliary agent automatic delivery as claimed in claim 1, it is characterized in that: when carrying out the auxiliary agent conveying, at first open barrel baiting valve of the weighing compounding agent solution of finishing of to weigh and put into the mixing agitator, the approaching barrel cleaning valve of weighing of opening when finishing of blowing cleans and puts into agitator to the bucket of weighing, open the tempering tank circulating valve simultaneously and close the tempering tank transfer valve and mixing agitator exhaust-valve, starter motor drives main pump after stirring a period of time, open the tempering tank transfer valve and close the tempering tank circulating valve, open corresponding dye vat charging basket valve and carry; Mix the agitator cleaning valve residual liquid is carried when being transported to when mixing agitator and being in low liquid level, opening, carry the back termination of pumping that finishes; Open the compressed air delivery valve ducted residual liquid is pressed into the dye vat charging basket; In course of conveying, weighing bucket can concurrent job, and conveying and clean-out operation also are to carry out simultaneously.
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| CN2011102559721A CN102392339B (en) | 2011-09-01 | 2011-09-01 | System and method for automatically delivering assistants for dye vat by gravimetric method |
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| CN2011102559721A CN102392339B (en) | 2011-09-01 | 2011-09-01 | System and method for automatically delivering assistants for dye vat by gravimetric method |
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| CN103882645B (en) * | 2013-12-31 | 2016-01-20 | 襄阳信正纺织有限公司 | Numerical control Sizing machines mixing cirtern |
| CN106768222A (en) * | 2016-12-09 | 2017-05-31 | 浙江华东纺织印染有限公司 | A kind of color additive automatic weighing method |
| CN106854800A (en) * | 2016-12-09 | 2017-06-16 | 浙江华东纺织印染有限公司 | A kind of color additive automatic delivery |
| CN107837759A (en) * | 2017-12-15 | 2018-03-27 | 青岛宝恒机械技术有限公司 | A kind of full-automatic plurality of liquid dispensing add-on system |
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| CN201330322Y (en) * | 2008-12-04 | 2009-10-21 | 金根苗 | Dyeing material feeding system controlled by computer |
| CN201503303U (en) * | 2009-06-10 | 2010-06-09 | 东莞德永佳纺织制衣有限公司 | Weighting device of auxiliary agent in production of textile industry |
| CN201581258U (en) * | 2009-11-30 | 2010-09-15 | 天津纺织工程研究院有限公司 | Material distributing and feeding system in printing and dyeing industry |
| CN202220274U (en) * | 2011-09-01 | 2012-05-16 | 浙江理工大学 | Automatic delivery system for weighting-method dye vat auxiliaries |
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