CN104857887A - Automatic material feeding, distribution and supply system of high-viscosity coating liquid - Google Patents
Automatic material feeding, distribution and supply system of high-viscosity coating liquid Download PDFInfo
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- CN104857887A CN104857887A CN201510211236.4A CN201510211236A CN104857887A CN 104857887 A CN104857887 A CN 104857887A CN 201510211236 A CN201510211236 A CN 201510211236A CN 104857887 A CN104857887 A CN 104857887A
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Abstract
The invention discloses an automatic material feeding, distribution and supply system of high-viscosity coating liquid. The automatic material feeding, distribution and supply system comprises a high silicon oil storage tank and is characterized in that an input opening of the high silicon oil storage tank is connected with a silicon oil tank car through a high viscosity pump; an output opening of the high silicon oil storage tank is connected with a first input opening of a silicon oil dissolving tank; a second input opening of the silicon oil dissolving tank is connected with a gasoline tank and a gasoline recovery tank; an output opening of the silicon oil dissolving tank is connected with a silicon input opening of a reaction stirring tank; the reaction stirring tank is provided with a reagent input opening which is connected with a reagent tank; an output opening of the reaction stirring tank is connected with an intermediate buffering tank; an output opening of the intermediate buffering tank is connected with a coating tank through a flow meter; stirring devices are arranged in the silicon oil dissolving tank and the reaction stirring tank respectively. According to the automatic material feeding, distribution and supply system of the high-viscosity coating liquid, the defect that the time and the effort are wasted due to the manual spoon feeding is overcome, the automatic feeding of the high viscosity liquid is completely implemented, and the static electricity produced in the manual operation is avoided and accordingly the safety hidden trouble is eliminated due to the fact that the automatic material feeding, distribution and supply system is free of manual operation.
Description
Technical field
The present invention relates to mould release membrance coating apparatus, relate in particular to a kind of auto feed of high viscosity coating fluid, batching, feeding system.
Background technology
Mould release membrance coating industry, silicone oil, solvent and reaction promoter oil need configure by coating fluid by a certain percentage, then put into coating chute, for coating machine.Industry common practice is the barreled silicone oil with 200L, after opening, after digging out, puts into container with spoon, is then extracted out from 200L drummed gasoline by gasoline with air pump, then add and the auxiliary agent weighed up is added container, starts agitator and stirs.After mixing time arrives, before coater head shifted onto by the material dolly prepared, with managing or manually delivering in coating fluid hopper, for coating machine.This material loading, batching, feed complete by manual operation substantially, and workload is large, wastes time and energy.Batching environment is poor, and ground oil stain is many, and solvent volatilization directly affects enterprise employee health.Raw material availability is low, and dig by artificial spoon, bottom has residual, cannots be used up complete.Proportioning accuracy is poor, and manual weighing is affected by human factors, and unavoidable error is large, and it is linearly poor to repeat again, causes coating quality unstable, directly affects product quality.Because of effects such as electrostatic, also there is potential safety hazard in artificial batching.
Summary of the invention
The object of the present invention is to provide a kind of auto feed of high viscosity coating fluid, batching, feeding system.
For achieving the above object, technical scheme of the present invention is as follows: a kind of auto feed of high viscosity coating fluid, batching, feeding system, comprise silicone oil high-level storage groove, it is characterized in that the input port of described silicone oil high-level storage groove is connected with silicone oil tank car by high sticky pump, the delivery outlet of described silicone oil high-level storage groove is connected with the first input port of silicone oil dissolving tank, second input port of silicone oil dissolving tank is also with gasoline cistern with reclaim gasoline cistern and be connected, the delivery outlet of silicone oil dissolving tank is connected with the silicone oil input port of reaction agitator tank, reaction agitator tank also arranges reagent input port and is connected with reagent pot, the delivery outlet of reaction agitator tank is connected with intermediate buffer tank, the delivery outlet of intermediate buffer tank is connected with coating pan by flowmeter, in silicone oil dissolving tank and reaction agitator tank, all agitating device is set.Silicon oil mixing tank and reagent pot all arrange electronic scale.
The bottom of described silicone oil high-level storage groove is connected with silicone oil dissolving tank with the first magnetic valve by ball valve, first-class gauge successively, and described first-class gauge is connected with the first quantitative controller, and described first quantitative controller is connected with the control end of the first magnetic valve.Described gasoline cistern is connected with silicone oil dissolving tank with the second magnetic valve by stop valve, pneumatic diaphragm pump, second gauge successively, and described second gauge is connected with the second quantitative controller, and described second quantitative controller is connected with the control end of the second magnetic valve.Described recovery gasoline cistern is connected with silicone oil dissolving tank with the 3rd magnetic valve by oil mixing with water alarm, stop valve, pneumatic diaphragm pump, the 3rd flowmeter successively, described 3rd flowmeter is connected with the 3rd quantitative controller, and described 3rd quantitative controller is connected with the control end of the 3rd magnetic valve.The delivery outlet of described silicon oil mixing tank is connected with reaction agitator tank by stop valve, pneumatic diaphragm pump, the 4th flowmeter and the 4th magnetic valve successively, described 4th flowmeter is connected with the 4th quantitative controller, and described 4th quantitative controller is connected with the control end of the 4th magnetic valve.Reagent pot is connected with the 5th magnetic valve by stop valve, the 5th flowmeter, and wherein said 5th flowmeter is connected with the 5th quantitative controller, and described 5th quantitative controller is connected with the control end of the 5th magnetic valve.
The auto feed of coating machine high viscosity coating fluid of the present invention, batching, feeding system have the following advantages:
1 overcomes and manually wastes time and energy with spoon is reinforced, realizes high viscosity liquid automatic charging completely;
2 flow measurement automatic control systems, precisely, automatic degree is high in metering; Electronic scale checks monitoring, corrects in time.
3 dissolving tank predissolve effects, make concentration evenly, overcome reaction dead angle.
4 PLC control system realization response meterings, charging sequence, the computer program in reaction time control, and batching accuracy is high, repeats property better, overcome the shortcomings such as the batching reproducibility difference that manual operation brings.
5 by drummed gasoline and barreled silicone oil, and change tank car dress use into, overcome because of barreled infiltration, affect quality, and raw material uses, and there is not every barrel of residue, conservation, packaging is saved.
6 batching environment improve at all, favourable enterprise employee health.
7, because of prosthetic operation, overcome in manual operation and produce electrostatic, eliminate safe hidden trouble.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the structural representation of auto feed unit in Fig. 1.
Fig. 3 is the structural representation of dosing in Fig. 1.
Fig. 4 is the structural representation of feed unit in Fig. 1.
Detailed description of the invention
A kind of auto feed of high viscosity coating fluid, batching, feeding system, comprise the dosage unit set gradually, dosing and feed unit, described dosage unit comprises silicone oil high-level storage groove 1, it is characterized in that the input port of described silicone oil high-level storage groove 1 is connected with silicone oil tank car by high sticky pump 2, the delivery outlet of described silicone oil high-level storage groove 1 is connected with the first input port of silicone oil dissolving tank 3, second input port of silicone oil dissolving tank 3 is also with gasoline cistern 4 with reclaim gasoline cistern 5 and be connected, the delivery outlet of silicone oil dissolving tank 3 is connected with the silicone oil input port of reaction agitator tank 6, reaction agitator tank 6 also arranges reagent input port and is connected with reagent pot 7, the delivery outlet of reaction agitator tank 6 is connected with intermediate buffer tank 8, the delivery outlet of intermediate buffer tank 8 is connected with coating tank 10 by flowmeter 9, in silicone oil dissolving tank and reaction agitator tank, all agitating device is set.Silicon oil mixing tank and reagent pot all arrange electronic scale 13.Coating tank 10 is also connected with circulating tank 12 by pneumatic diaphragm pump 11.
Fig. 2 is the structural representation of auto feed unit in Fig. 1.As shown in Figure 2, auto feed unit of the present invention comprises silicone oil high-level storage groove 1, the bottom of described silicone oil high-level storage groove 1 is connected with silicone oil dissolving tank 3 with the first magnetic valve 16 by ball valve 14, first-class gauge 15 successively, described first-class gauge 15 is connected with the first quantitative controller 17, and described first quantitative controller 17 is connected with the control end of the first magnetic valve 16.Described gasoline cistern 4 is connected with silicone oil dissolving tank 3 with the second magnetic valve 20 by stop valve 18, pneumatic diaphragm pump 11, second gauge 19 successively, described second gauge 19 is connected with the second quantitative controller 21, and described second quantitative controller 21 is connected with the control end of the second magnetic valve 20.Described recovery gasoline cistern 5 is connected with silicone oil dissolving tank 3 with the 3rd magnetic valve 24 by oil mixing with water alarm 22, stop valve 18, pneumatic diaphragm pump 11, the 3rd flowmeter 23 successively, described 3rd flowmeter 23 is connected with the 3rd quantitative controller 25, and described 3rd quantitative controller 25 is connected with the control end of the 3rd magnetic valve 24.The delivery outlet of described silicon oil mixing tank is connected with reaction agitator tank 6 by stop valve 18, pneumatic diaphragm pump 11, the 4th flowmeter 26 and the 4th magnetic valve 27 successively, described 4th flowmeter 26 is connected with the 4th quantitative controller 28, and described 4th quantitative controller 28 is connected with the control end of the 4th magnetic valve 27.
The input port of gasoline cistern 5, by the 120# gasoline of pneumatic diaphragm pump 11 delivery solvent tank car, is reclaimed then by pneumatic diaphragm pump 11 delivery solvent recovery gasoline in the input port of described gasoline cistern 4.
Viscous silicone fluid conveying for viscosity at (25 DEG C of CS): highly in the conveying of 1,000,000 ~ 500 all creation materials glue pump, carry out automatic pumping.Silicone oil in tank car is transported to silicone oil high-level storage groove by high sticky pump, overcomes barreled silicone oil manually by the mode that spoon is reinforced, saves manpower, avoid waste of material.
The conveying of silicone oil, 120# gasoline, solvent recovery gasoline, metering, batching by electronic scale, flowmeter, flow quantitative controller, magnetic valve, ball valve, stainless steel pipes, dissolving tank diameter composition.
Arrange agitating device in silicone oil dissolving tank, silicone oil dissolving tank plays predissolve effect, makes silicone oil and gasoline have enough dissolution times, overcome silicone oil and gasoline dissolution time in the past short, CONCENTRATION DISTRIBUTION is uneven, causes silicone oil to react unbalanced, is coated with the problem that dry silicon amount is uneven.
Fig. 3 is the structural representation of dosing in Fig. 1.As shown in the figure, dosing comprises two reaction agitator tanks, in reaction agitator tank 6, agitating device is set, the bottom of reaction agitator tank 6 arranges delivery outlet, this delivery outlet is connected with intermediate buffer tank 8 by pneumatic diaphragm pump 11, the top of reaction agitator tank 6 is provided with silicone oil input port and reagent input port, the silicone oil input port of reaction agitator tank 6 receives the silicone oil raw material from silicone oil dissolving tank 3, the reagent input port of reaction agitator tank 6 then receives the reagent from reagent pot 7, reagent pot 7 arranges electronic scale 13, the bottom of reagent pot 7 arranges outlet, described outlet is by stop valve 18, 5th flowmeter 29 is connected with the 5th magnetic valve 30, wherein said 5th flowmeter 29 is connected with the 5th quantitative controller 31, described 5th quantitative controller 31 is connected with the control end of the 5th magnetic valve 30.
Dosing is by reacting agitator tank, reagent pot, flowmeter, stop valve, magnetic valve, and flow controller, agitator air, membrane pump, stainless steel pipes form.Establish three reagent pots in the present invention altogether, be respectively used to provide three kinds of reagent.The silicone oil dissolved adds reaction tank diameter by membrane pump and measurement controller, three kinds of reaction reagents add reaction tank diameter according to the order of sequence, each input port of described reaction agitator tank arranges stop valve, described dosing also arranges PLC control unit 32, described PLC control unit 32 is connected with described stop valve 18, electronic scale 13 and the agitator air reacted in agitator tank, for controlling addition programs and mixing time, electronic scale carries out dosage and checks, and prevents measuring error.
Fig. 4 is the structural representation of feed unit in Fig. 1.Described feed unit comprises intermediate buffer tank 33, and the top of this intermediate buffer tank 33 arranges input port and is connected with dosing, and be discharging opening bottom intermediate buffer tank 33, upper end arranges an overfall, and bottom discharge mouth is connected with coating pan 34 by flowmeter 35.As too much in liquid, by upper end overfall, be connected with coating pan 34 by flowmeter 35, upper end overfall effect is liquid as after filling surge tank, by overfall and flowmeter, dredges coating pan, and can measure spillway discharge.Coating pan 34 side arranges a circulating tank 36, and described coating pan arranges a delivery outlet and an input port, is circulated between delivery outlet and input port by circulating tank 36 and pneumatic diaphragm pump 11, prevents local precuring.
The silicone oil configured gets to intermediate buffering groove by membrane pump, is assigned to the coating line operative installations of each coating line by intermediate buffering groove, and coating line operative installations is by flowmeter, and stop valve, circulating tank, pneumatic diaphragm valve, stainless steel pipes form.Operating personnel can record from flowmeter and often roll up silicon oil dosage, and calculate the dry silicon amount of every square meter, overcome the dry silicon amount use amount that a class in the past just can count.
Claims (7)
1. the auto feed of a high viscosity coating fluid, batching, feeding system, comprise silicone oil high-level storage groove, it is characterized in that the input port of described silicone oil high-level storage groove is connected with silicone oil tank car by high sticky pump, the delivery outlet of described silicone oil high-level storage groove is connected with the first input port of silicone oil dissolving tank, second input port of silicone oil dissolving tank is also with gasoline cistern with reclaim gasoline cistern and be connected, the delivery outlet of silicone oil dissolving tank is connected with the silicone oil input port of reaction agitator tank, reaction agitator tank also arranges reagent input port and is connected with reagent pot, the delivery outlet of reaction agitator tank is connected with intermediate buffer tank, the delivery outlet of intermediate buffer tank is connected with coating pan by flowmeter, in silicone oil dissolving tank and reaction agitator tank, all agitating device is set.
2. auto feed as claimed in claim 1, batching, feeding system, is characterized in that silicon oil mixing tank and reagent pot all arrange electronic scale.
3. auto feed as claimed in claim 1, batching, feeding system, it is characterized in that the bottom of described silicone oil high-level storage groove is connected with silicone oil dissolving tank with the first magnetic valve by ball valve, first-class gauge successively, described first-class gauge is connected with the first quantitative controller, and described first quantitative controller is connected with the control end of the first magnetic valve.
4. auto feed as claimed in claim 1, batching, feeding system, it is characterized in that described gasoline cistern is connected with silicone oil dissolving tank with the second magnetic valve by stop valve, pneumatic diaphragm pump, second gauge successively, described second gauge is connected with the second quantitative controller, and described second quantitative controller is connected with the control end of the second magnetic valve.
5. auto feed as claimed in claim 1, batching, feeding system, it is characterized in that described recovery gasoline cistern is connected with silicone oil dissolving tank with the 3rd magnetic valve by oil mixing with water alarm, stop valve, pneumatic diaphragm pump, the 3rd flowmeter successively, described 3rd flowmeter is connected with the 3rd quantitative controller, and described 3rd quantitative controller is connected with the control end of the 3rd magnetic valve.
6. auto feed as claimed in claim 1, batching, feeding system, it is characterized in that the delivery outlet of described silicon oil mixing tank is connected with reaction agitator tank by stop valve, pneumatic diaphragm pump, the 4th flowmeter and the 4th magnetic valve successively, described 4th flowmeter is connected with the 4th quantitative controller, and described 4th quantitative controller is connected with the control end of the 4th magnetic valve.
7. auto feed as claimed in claim 1, batching, feeding system, it is characterized in that reagent pot is connected with the 5th magnetic valve by stop valve, the 5th flowmeter, wherein said 5th flowmeter is connected with the 5th quantitative controller, and described 5th quantitative controller is connected with the control end of the 5th magnetic valve.
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| CN201510211236.4A CN104857887B (en) | 2015-04-29 | 2015-04-29 | A kind of auto feed of high viscosity coating fluid, dispensing, feeding system |
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| CN201510211236.4A CN104857887B (en) | 2015-04-29 | 2015-04-29 | A kind of auto feed of high viscosity coating fluid, dispensing, feeding system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106244360A (en) * | 2016-09-18 | 2016-12-21 | 广州立白企业集团有限公司 | A kind of liquid detergent serialization process of flexible production and equipment |
| CN110010918A (en) * | 2019-05-06 | 2019-07-12 | 中国华能集团清洁能源技术研究院有限公司 | Produce the pet silicon oil membrane recycling and reusing device and method of diaphragm for molten carbonate fuel battery |
| EP3511683A1 (en) * | 2018-01-10 | 2019-07-17 | ABB France | Method for controlling a metering installation |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0482579B1 (en) * | 1990-10-22 | 1997-01-08 | Reinhardt-Technik GmbH & Co. | Method and device for proportioning in particular a high viscous mixture with one or more components |
| JP2002514971A (en) * | 1998-02-13 | 2002-05-21 | レナー ド ポント ティンタス オートモーティバス エ インダストリアイズ エスエイ | Manufacture of paints for automobiles |
| US20030198125A1 (en) * | 2002-04-17 | 2003-10-23 | Linsen Michael William | Automated system and process for the preparation of a high viscosity fluid formulation |
| JP3980953B2 (en) * | 2001-07-12 | 2007-09-26 | タツモ株式会社 | Liquid feeding device for high viscosity fluid using pressurized tank |
| CN201395507Y (en) * | 2009-05-09 | 2010-02-03 | 叶舟 | Silicone oil automatic quantitative priming device |
| EP2163314A2 (en) * | 2008-09-15 | 2010-03-17 | Nordson Corporation | Liquid material dispenser |
| CN102513271A (en) * | 2011-12-14 | 2012-06-27 | 奇瑞汽车股份有限公司 | Automatic feeding system and coating machine |
| CN204724117U (en) * | 2015-04-29 | 2015-10-28 | 江苏优珀斯材料科技有限公司 | A kind of auto feed of high viscosity coating fluid, batching, feeding system |
-
2015
- 2015-04-29 CN CN201510211236.4A patent/CN104857887B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0482579B1 (en) * | 1990-10-22 | 1997-01-08 | Reinhardt-Technik GmbH & Co. | Method and device for proportioning in particular a high viscous mixture with one or more components |
| JP2002514971A (en) * | 1998-02-13 | 2002-05-21 | レナー ド ポント ティンタス オートモーティバス エ インダストリアイズ エスエイ | Manufacture of paints for automobiles |
| JP3980953B2 (en) * | 2001-07-12 | 2007-09-26 | タツモ株式会社 | Liquid feeding device for high viscosity fluid using pressurized tank |
| US20030198125A1 (en) * | 2002-04-17 | 2003-10-23 | Linsen Michael William | Automated system and process for the preparation of a high viscosity fluid formulation |
| EP2163314A2 (en) * | 2008-09-15 | 2010-03-17 | Nordson Corporation | Liquid material dispenser |
| CN201395507Y (en) * | 2009-05-09 | 2010-02-03 | 叶舟 | Silicone oil automatic quantitative priming device |
| CN102513271A (en) * | 2011-12-14 | 2012-06-27 | 奇瑞汽车股份有限公司 | Automatic feeding system and coating machine |
| CN204724117U (en) * | 2015-04-29 | 2015-10-28 | 江苏优珀斯材料科技有限公司 | A kind of auto feed of high viscosity coating fluid, batching, feeding system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106244360A (en) * | 2016-09-18 | 2016-12-21 | 广州立白企业集团有限公司 | A kind of liquid detergent serialization process of flexible production and equipment |
| CN106244360B (en) * | 2016-09-18 | 2019-06-04 | 广州立白企业集团有限公司 | A kind of liquid detergent serialization process of flexible production and equipment |
| EP3511683A1 (en) * | 2018-01-10 | 2019-07-17 | ABB France | Method for controlling a metering installation |
| WO2019137928A1 (en) * | 2018-01-10 | 2019-07-18 | Abb France | Method for controlling a dosing facility |
| CN110010918A (en) * | 2019-05-06 | 2019-07-12 | 中国华能集团清洁能源技术研究院有限公司 | Produce the pet silicon oil membrane recycling and reusing device and method of diaphragm for molten carbonate fuel battery |
| CN110010918B (en) * | 2019-05-06 | 2023-05-16 | 中国华能集团清洁能源技术研究院有限公司 | PET silicone oil membrane recycling device and method for producing molten carbonate fuel cell membrane |
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