CN209866391U - Bi-component paint proportioning system - Google Patents
Bi-component paint proportioning system Download PDFInfo
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- CN209866391U CN209866391U CN201920533851.0U CN201920533851U CN209866391U CN 209866391 U CN209866391 U CN 209866391U CN 201920533851 U CN201920533851 U CN 201920533851U CN 209866391 U CN209866391 U CN 209866391U
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Abstract
The utility model discloses a double-component paint proportioning system, which belongs to a paint spraying device, in particular to a spraying control system for double-component paint spraying; the air-filtering and air-conditioning device comprises an air-filtering and air-conditioning valve, a first material conveying system of a second material conveying system and a spray gun, wherein a second connecting pipeline is connected below the first material conveying system, a first material color-changing valve group is connected in the middle of the second connecting pipeline, and a proportioning control system is installed above an electromagnetic valve island. The automatic double-component paint proportioning system for the double-component paint can ensure the accurate proportioning of two materials, uniform mixing, color changing and cleaning of automatic multicolor paint, overcomes the defects of flowmeter abrasion, incomplete flowmeter cleaning, flowmeter blockage and large equipment maintenance workload of the conventional paint double-component system by adopting the Coriolis mass flowmeter, improves the efficiency of the proportioning and mixing of the paint, and enables the proportioning and mixing of the whole paint to be more perfect.
Description
Technical Field
The utility model belongs to paint spraying device, in particular to spraying control system of two ingredient paint spraying.
Background
In recent years, in the production of a plurality of spraying industries, two-component paint is commonly used, and the two-component paint is usually proportioned and mixed in the production and use by adopting the following two modes, one mode is that before spraying work, the paint is firstly proportioned and mixed by an electronic scale manually according to the proportion of the paint, and then the mixed paint is filled into a paint conveying device and conveyed to a spray gun for spraying work, the mode increases the workload of operators, the paint has great harm to human bodies, the proportioned paint must be completely used up, otherwise the paint generates chemical reaction in effective time, the quality of a sprayed product is influenced, the paint cannot be reused seriously, and the paint is wasted and is not environment-friendly; secondly, automatic two-component proportioning equipment is adopted for proportioning the paint, during production, spraying and the proportioning of the paint are carried out simultaneously by system equipment, the proportioned paint is sprayed completely, the waste of the paint is avoided, and the paint is prevented from going bad; the automatic paint proportioning equipment has strict requirements on a two-component proportioning system in order to realize the purpose of automatic proportioning and mixing. The common paint two-component proportioning system adopts equipment such as a metering cylinder, a gear pump or a gear flowmeter to detect and control the mixing ratio of two groups of paints, however, in the using process, the metering cylinder and the gear pump are only power devices, the metering cylinder is pushed by air pressure or a motor, the gear pump is driven by a motor, when abrasion occurs or no paint or gas components exist in a conveying pipe, the proportioning ratio goes wrong, the interior of the system is required to be compactly sealed according to the principles of the metering cylinder and the gear pump, and the abrasion is fast and the cleaning is very difficult; the gear flowmeter is a gear which pushes the inside of the flowmeter by fluid, the flow of the fluid is calculated by the volume of each gear, the gear flowmeter has certain requirements on the flow and the viscosity of paint, the paint with small flow and low viscosity cannot be used, the paint with particles cannot be used, the small paint particles can also block the inside gear of the flowmeter, the flowmeter is worn quickly, and the inside gear needs to be frequently disassembled and cleaned by an operator, so that a lot of troubles are added for realizing automatic production. After the metering cylinder, the gear pump and the gear flowmeter are abraded, the conveying and metering are inaccurate, and the proportioning proportion is wrong.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bi-component paint proportioning system to the problem of making mistakes of the ratio proportion of proposing among the above-mentioned background art is solved.
In order to achieve the above object, the utility model provides a following technical scheme: a double-component paint proportioning system comprises an air filtering and pressure regulating valve, a first material conveying system of a second material conveying system and a spray gun, wherein a second connecting pipeline is connected below the first material conveying system, a first material color changing valve group is connected in the middle of the second connecting pipeline, a first material flow meter is arranged at the right lower part of the first material color changing valve group, a third connecting pipeline is connected to the right side of the first material flow meter, a first material sampling valve is connected to the right side of the third connecting pipeline, the first material sampling valve is communicated with an input end through a first material one-way valve of the connecting pipeline, a first material fluid switch valve is arranged at the right side of the first material one-way valve, a second material fluid switch valve is arranged above the first material fluid switch valve, and a second material one-way valve is connected to the left side of the second material switch valve, the outer side of the second material one-way valve is connected with a first connecting pipeline, the middle position of the first connecting pipeline is connected with a second material sampling valve, the tail end of the first connecting pipeline is connected with a second material flowmeter, the right side of the second material flowmeter is provided with a second material color changing valve group, the right side of the second material color changing valve group is connected with a second material conveying pipeline, the second material conveying system is arranged at the top end of the second material conveying pipeline, the air filtering and pressure regulating valve is arranged below the first material sampling valve, the right end of the air filtering and pressure regulating valve is connected with a fifth connecting pipeline, the tail end of the fifth connecting pipeline is connected with an air cleaning fluid switch valve, a cleaning solvent conveying system is arranged below the air filtering and pressure regulating valve, the left side of the cleaning solvent conveying system is connected with a fourth connecting pipeline, and the tail end of the fourth connecting pipeline is connected with a solvent cleaning fluid switch valve, a draining fluid switch valve is arranged at the right lower part of the solvent cleaning fluid switch valve and is communicated with the pressure maintaining valve through a mixing tube, the spray gun is arranged at the right side of the pressure maintaining valve, a valve marble is arranged at the left side inside the mixing tube, a spring of a one-way valve is connected at the left side of the valve marble, a material outlet is arranged at the left side of the spring of the one-way valve, a valve is arranged at the upper end of the first material color changing valve group, a piston assembly is arranged inside the first material color changing valve group, inlets are arranged at the left side and the right side of the piston assembly, a first fluid switch valve is connected at the right side of the first material color changing valve group, a second fluid switch valve is arranged below the first fluid switch valve, a third fluid switch valve is arranged at the left side of the first material color changing valve group, and a fourth fluid switch valve is arranged above the third fluid switch valve, and a compressed air filter pressure regulating valve is arranged above the second material flowmeter, an electromagnetic valve island is arranged on the left side of the compressed air filter pressure regulating valve, and a proportioning control system is arranged above the electromagnetic valve island.
Preferably, the first material conveying system is communicated with the first material color changing valve group through a second connecting pipeline, and the first material flow meter is communicated with the first material fluid switch valve through a third connecting pipeline, the first material sampling valve and the first material one-way valve.
Preferably, the second material conveying system forms a communicating structure with the second material color changing valve group through a second material conveying pipeline, and the second material color changing valve group forms a communicating structure with the second material fluid switch valve through a second material flowmeter, a first connecting pipeline, a second material one-way valve, a second material sampling valve and the second material fluid switch valve.
Preferably, the air filtering and pressure regulating valve is communicated with the air cleaning fluid switch valve through a fifth connecting pipeline, and the cleaning solvent conveying system and the solvent cleaning fluid switch valve form a communicating structure through a fourth connecting pipeline.
Preferably, the solvent cleaning fluid switch valve forms a communicating structure with the spray gun through the drainage fluid switch valve, the mixing tube and the pressure maintaining valve, and an elastic telescopic structure is formed between the valve marble and the spring of the one-way valve.
Preferably, the electromagnetic valve island is in electrical output connection with the proportioning control system through a lead, and the first fluid switch valve and the second fluid switch valve are symmetrically distributed with the third fluid switch valve and the fourth fluid switch valve about a vertical center line of the first material color changing valve group.
Compared with the prior art, the beneficial effects of the utility model are that: the system can ensure the accurate proportioning and the uniform mixing of two materials, and the color changing and cleaning of automatic multicolor paint, overcomes the defects of flowmeter abrasion, incomplete flowmeter cleaning, flowmeter blockage and large equipment maintenance workload of the traditional paint two-component system by adopting the Coriolis mass flowmeter, improves the efficiency of the proportioning and mixing of the paint, and ensures that the proportioning and mixing of the whole paint are more perfect.
Drawings
FIG. 1 is a schematic diagram of an automatic two-component paint proportioning system for two-component paints according to the present invention;
FIG. 2 is a diagram of an automatic two-component paint proportioning system for two-component paints according to the present invention;
FIG. 3 is a block diagram of a check valve of the automatic two-component paint proportioning system for two-component paints of the present invention;
fig. 4 is a color changing valve structure diagram of the automatic two-component paint proportioning system of the two-component paint of the present invention.
In the figure: 1. solvent cleaning fluid on-off valves; 2. a second material one-way valve; 3. a first material fluid switch valve; 4. a second material flow meter; 5. a second material color changing valve group; 6. a pressure regulating valve of the compressed air filter; 7. an electromagnetic valve island; 8. a proportioning control system; 9. a first material color changing valve group; 10. an air filtering pressure regulating valve; 11. a first material flow meter; 12. a second material flow switch valve; 13. an air purge fluid on-off valve; 14. a first material sampling valve; 15. a first material check valve; 16. a second material sampling valve; 17. a first connecting line; 18. a drain fluid on-off valve; 19. a pressure maintaining valve; 20. a second material delivery system; 21. a second material conveying pipeline; 22. a first item delivery system; 23. a second connecting line; 24. a third connecting pipeline; 25. a cleaning solvent delivery system; 26. a fourth connecting pipeline; 27. a fifth connecting pipeline; 28. a mixing tube; 29. a spray gun; 30. a valve marble; 31. a spring of the check valve; 32. a material outlet; 33. a valve; 34. a piston assembly; 35. an inlet; 36. a first fluid switching valve; 37. a second fluid switching valve; 38. a third fluid switching valve; 39. and a fourth fluid switching valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the double-component paint proportioning system comprises an air filtering and pressure regulating valve 10, a second material conveying system 20, a first material conveying system 22 and a spray gun 29, wherein a second connecting pipeline 23 is connected below the first material conveying system 22, a first material color changing valve group 9 is connected in the middle of the second connecting pipeline 23, a first material flow meter 11 is arranged on the lower right side of the first material color changing valve group 9, a third connecting pipeline 24 is connected on the right side of the first material flow meter 11, a first material sampling valve 14 is connected on the right side of the third connecting pipeline 24, the first material sampling valve 14 is communicated with an input end through a first material one-way valve 15 of the connecting pipeline, a first material fluid switch valve 3 is arranged on the right side of the first material one-way valve 15, the first material conveying system 22 is communicated with the first material color changing valve group 9 through the second connecting pipeline 23, and the first material flow meter 11 is communicated with the input end through the third connecting pipeline 24, The first material sampling valve 14 and the first material one-way valve 15 are communicated with the first material fluid switch valve 3, the second material fluid switch valve 12 is arranged above the first material fluid switch valve 3, the left side of the second material fluid switch valve 12 is connected with the second material one-way valve 2, the outer side of the second material one-way valve 2 is connected with the first connecting pipeline 17, the middle position of the first connecting pipeline 17 is connected with the second material sampling valve 16, the tail end of the first connecting pipeline 17 is connected with the second material flowmeter 4, the right side of the second material flowmeter 4 is provided with the second material color changing valve group 5, the right side of the second material color changing valve group 5 is connected with the second material conveying pipeline 21, the second material conveying system 20 is arranged at the top end of the second material conveying pipeline 21, and the second material conveying system 20 forms a communication structure with the second material color changing valve group 5 through the second material conveying pipeline 21, and the second material color changing valve group 5 forms a communicating structure with the second material fluid switch valve 12 through the second material flowmeter 4, the first connecting pipeline 17, the second material one-way valve 2 and the second material sampling valve 16;
the air filtering and pressure regulating valve 10 is arranged below the first material sampling valve 14, the right end of the air filtering and pressure regulating valve 10 is connected with a fifth connecting pipeline 27, the tail end of the fifth connecting pipeline 27 is connected with an air cleaning fluid switch valve 13, a cleaning solvent conveying system 25 is arranged below the air filtering and pressure regulating valve 10, the left side of the cleaning solvent conveying system 25 is connected with a fourth connecting pipeline 26, the tail end of the fourth connecting pipeline 26 is connected with a solvent cleaning fluid switch valve 1, the air filtering and pressure regulating valve 10 is communicated with the air cleaning fluid switch valve 13 through the fifth connecting pipeline 27, and the cleaning solvent conveying system 25 and the solvent cleaning fluid switch valve 1 form a communicating structure through the fourth connecting pipeline 26; a drainage fluid switch valve 18 is arranged at the lower right of the solvent cleaning fluid switch valve 1, the drainage fluid switch valve 18 is communicated with a pressure maintaining valve 19 through a mixing tube 28, a spray gun 29 is arranged at the right side of the pressure maintaining valve 19, a valve marble 30 is arranged at the left side inside the mixing tube 28, a spring 31 of a one-way valve is connected to the left side of the valve marble 30, a material outlet 32 is arranged at the left side of the spring 31 of the one-way valve, a valve 33 is arranged at the upper end of a first material color changing valve group 9, a piston assembly 34 is arranged inside the first material color changing valve group 9, inlets 35 are arranged at the left side and the right side of the piston assembly 34, a communicating structure is formed between the solvent cleaning fluid switch valve 1 and the spray gun 29 through the drainage fluid switch valve 18, the mixing tube 28 and the pressure maintaining valve 19, and an elastic telescopic structure is formed between the valve marble;
a first fluid switch valve 36 is connected to the right side of the first material color changing valve group 9, a second fluid switch valve 37 is arranged below the first fluid switch valve 36, a third fluid switch valve 38 is arranged on the left side of the first material color changing valve group 9, a fourth fluid switch valve 39 is arranged above the third fluid switch valve 38, a compressed air filter pressure regulating valve 6 is arranged above the second material flowmeter 4, an electromagnetic valve island 7 is arranged on the left side of the compressed air filter pressure regulating valve 6, a proportioning control system 8 is arranged above the electromagnetic valve island 7, the electromagnetic valve island 7 is in electrical output connection with the proportioning control system 8 through connection between wires, and the first fluid switch valve 36 and the second fluid switch valve 37 are symmetrically distributed with the third fluid switch valve 38 and the fourth fluid switch valve 39 about the vertical center line of the first material color changing valve group 9; the system can ensure the accurate proportioning and the uniform mixing of two materials, and the color changing and cleaning of automatic multicolor paint, overcomes the defects of flowmeter abrasion, incomplete flowmeter cleaning, flowmeter blockage and large equipment maintenance workload of the traditional paint two-component system by adopting the Coriolis mass flowmeter, improves the efficiency of the proportioning and mixing of the paint, and ensures that the proportioning and mixing of the whole paint are more perfect.
Example 1
As shown in fig. 1 and 2, the automatic two-component paint proportioning system comprises a proportioning control system 8, a first material conveying system 21, a second material conveying system 20, a first material color changing valve group 9, a second material color changing valve group 5, a first material flow meter 11, a second material flow meter 4, a first material sampling valve 14, a second material sampling valve 16, a first material fluid switch valve 3, a second material fluid switch valve 12, a first material check valve 15, a second material check valve 2, an air cleaning fluid switch valve 13, a solvent cleaning fluid switch valve 1, a drainage fluid switch valve 18, a third connecting pipeline 24, a connecting pipeline and the like; the first material is conveyed to the first material color changing valve group 9 through the first material conveying system 21, then conveyed to the first material flow meter 11 through the second connecting pipeline 23, and conveyed to the second material fluid switch valve 12 through the third connecting pipeline 24 and the first material sampling valve 14; the second material is conveyed to the second material color changing valve group 5 through the second material conveying system 20, then conveyed to the second material flow meter 4 through the first material conveying system 21, and conveyed to the first material fluid switch valve 3 through the first connecting pipeline 17 and the first material sampling valve 14. The compressed air for cleaning is connected to the air filtering and pressure regulating valve 10 through a pipeline and then is conveyed to the air cleaning fluid switch valve 13 through a fifth connecting pipeline 27; the solvent for cleaning is supplied to the solvent cleaning fluid switching valve 1 through the cleaning solvent supply system 25 via the fourth connecting line 26.
The automatic two-component paint proportioning system adopts a Coriolis mass flowmeter to detect the flow of a first material and a second material, two stainless steel pipes, a high-frequency electromagnetic vibrator and a frequency detection sensor are arranged in the flowmeter, and a fluid material enters the flowmeter from an inlet of the flowmeter and is conveyed to an outlet of the flowmeter through the two stainless steel pipes; the Coriolis mass flowmeter generates high-frequency vibration through a high-frequency electromagnetic vibrator, frequency detection sensors at two ends of the flowmeter and the frequencies at two ends of a stainless steel fluid pipe are used for detecting the frequencies at two ends of the flowmeter, when material flows, the frequency detection sensors can generate phase difference when detecting the frequencies, and the time of the phase difference is determined according to the flow, so that the flow of the fluid material is calculated by calculating the phase difference time of the flowmeter, and the flow is transmitted to a proportioning control system 8 of an automatic two-component paint proportioning system.
As shown in fig. 4, the automatic two-component paint proportioning system is composed of a cylinder and a mixing valve seat, a pneumatic fluid switch valve is controlled by compressed air and a spring, when a valve 33 needs to be opened, 3-5Kg of compressed air pressure is provided for a first fluid switch valve 36 of the pneumatic fluid switch valve, a piston assembly 34 in the valve body moves towards the top end of the valve body, an ejector pin of the fluid valve 33 is separated from the valve 33, the fluid valve 33 is opened, and fluid materials flow out through the valve 33 through an inlet 35; otherwise, when the valve 33 is closed, the piston is propped against the spring in the cylinder body, the piston assembly 34 in the valve body moves towards the bottom end of the valve body, the thimble of the valve 33 of the piston assembly 34 props against the valve 33, and the fluid material is stopped; each fluid switch valve is connected with an electromagnetic valve through an air pipe, and the control electromagnetic valve island 7 of the proportioning system respectively controls the action of each cylinder to control the opening and closing of the valve 33.
As shown in fig. 2 and 4, the automatic two-component paint proportioning system can be used for proportioning a first material with multiple properties and a second material with multiple properties, the system can select one of the first material and one of the second material to be proportioned and mixed, the materials with multiple properties are completed through a color changing valve group, the first material color changing valve group 9 and the second material color changing valve group 5 are both composed of a plurality of groups of cylinders, the material with one property is connected with a group of inlets and outlets of a color changing valve seat controlled by one cylinder, and every two cylinders can be arranged at two ends of one valve seat and then are connected with each other through the valve seats; the first material with the first property of the first material is conveyed to a fourth fluid switch valve 39 of the first material color changing valve group 9 through the material conveying system, the second material with the second property of the first material is conveyed to a first fluid switch valve 36 of the first material color changing valve group 9 through the conveying system, the third material with the third property of the first material is conveyed to a third fluid switch valve 38 of the first material color changing valve group 9 through the material conveying system, and the color changing cleaning solvent is conveyed to a fluid switch valve 37 of the first material color changing valve group 9 through the solvent conveying system; when materials with the first property are used, the electromagnetic valve island 7 of the proportioning control system 8 of the automatic paint two-component system controls to open the fourth fluid switch valve 39 of the first material color changing valve group 9, the first material with the first property of the first material is conveyed to the material inlet 35 of the fourth fluid switch valve 39 of the first material color changing valve group 9 through the material conveying system, conveyed to the first material flow meter 11 of the automatic two-component paint proportioning system through the valve 33 of the color changing valve seat, conveyed to the proportioning system through a pipeline and mixed with the second material in a proportioning manner; when the materials with the second property need to be replaced, the automatic two-component paint proportioning system firstly closes the fourth fluid switch valve 39 of the materials with each property through the electromagnetic valve island 7, then opens the first fluid switch valve 36 of the cleaning solvent, the cleaning solvent is conveyed to the inlet 35 of the first material color changing valve group 9 through the solvent conveying system to clean the first fluid switch valve 36, is conveyed to the first material flowmeter 11 of the automatic two-component paint proportioning system through the valve 33 of the color changing valve block and is conveyed to the drainage fluid switch valve 18 of the proportioning system through a pipeline, the pipeline from the first material color changing valve group 9 to the drainage valve of the automatic two-component paint proportioning system is cleaned, then opens the first fluid switch valve 36 of the second material of the first material color changing valve group 9, the second material of the first material is conveyed to the material piston assembly 34 of the first fluid switch valve 36 of the first material color changing valve group 9 through the material conveying system, the mixture is conveyed to a first material flow meter 11 of the automatic two-component paint proportioning system through a valve 33 of a color changing valve seat, and is conveyed to the proportioning system through a pipeline to be proportioned and mixed with a second material; the automatic cleaning and replacing method of the materials with different properties of the second material is the same as that of the materials with different properties of the first material;
as shown in fig. 1, 2 and 3, the first material one-way valve 15 and the second material one-way valve 2 are installed at the mixing port of the first material and the second material of the automatic two-component paint proportioning system, so that the first material is prevented from flowing into the pipeline of the second material or the second material is prevented from flowing into the pipeline of the first material, and the two materials are not proportioned and mixed according to the specified proportion; the mixing pipe 28 and the material outlet 32 of the one-way valve, and the forward material are conveyed to the valve 33 inside the one-way valve through the mixing pipe 28 of the one-way valve, when the pressure of the material is greater than the pressure of the spring 31 of the one-way valve, the material pushes the valve marble 30 of the one-way valve through the self pressure, and the material flows to the material outlet 32 through the valve 33; on the contrary, when the material reversely flows into the one-way valve from the outlet of the one-way valve, the one-way valve is pressed against the valve 33 of the one-way valve by the valve marble 30 under the action of the force of the spring 31 of the one-way valve, and then the force of the reverse material is applied, so that the larger the pressure of the reverse material is, the tighter the valve marble 30 and the valve 33 are pressed, the reverse flow of the material is prevented from the surface, and the error of the proportion ratio of the first material to the second material is avoided.
Example 2
As shown in fig. 1 and 2, when the automatic two-component paint proportioning system enters an automatic proportioning operation, a first material is conveyed to a first material fluid switch valve 3 through a first material conveying system 22, a first material color changing valve group 9, a second connecting pipeline 23, a first material flowmeter 11, a third connecting pipeline 24 and a first material sampling valve 14; the second material is conveyed to the first material fluid switch valve 3 through the pressure stabilizing valve 19, the second material color changing valve group 5, the second material conveying system 20, the second material flow meter 4, the first connecting pipeline 17 and the second material sampling valve 16; the automatic double-component paint proportioning control system 8 controls the electromagnetic valve to open the second material flow switch valve 12 according to the set proportioning proportion, the first material starts to enter the mixing pipe 28 through the second material flow switch valve 12 and the first material one-way valve 15, the first material flow meter 11 starts to meter the flow of the first material when the second material switch valve is opened, when the flow of the first material reaches the first material proportioning proportion value set by the system, the first material flow switch valve 3 is opened, the second material starts to meter the flow of the second material through the first material flow switch valve 3 and the second material one-way valve 2 and enters the mixing pipe 28, the two materials are mixed in the mixing pipe 28, when the first material flow switch valve 3 is opened, the second material flow meter 4 starts to meter the flow of the second material, when the flow of the second material reaches the second material proportioning proportion of the system, the first material flow switch valve 3 is closed, when the first material flow reaches the first material proportioning proportion value set by the system again, the first material fluid switch valve 3 is opened again; the material proportioning work is carried out in the opening and closing cycle work of the first material fluid switch valve 3, when the system works in the proportioning mode, the second material fluid switch valve 12 is always in an opening state, and the first material fluid switch valve 3 is opened and closed according to the proportioning proportion set by the system, so that the proportional proportioning mixing of the first material and the second material is achieved;
the flow rate of the second material in the opening ratio every time is 1-3 ml, and the flow rate of the second material in the opening ratio every time is 1-3 ml, which can be set by the system as follows: 1. 2 or 3 ml, the proportioning work can be understood as that the second material is continuously filled into the first material, and the filling amount is 1, 2 or 3 ml each time; the two materials are uniformly mixed in the mixing pipe 28 through the static cutting stirring blade, then the pressure of the fluid in the pipe is further controlled through the pressure stabilizing valve 19, and finally the two materials are conveyed to the spray gun 29 through a pipeline, wherein the opening frequency and the opening time of the first material fluid switch valve 3 depend on the discharge flow of the spray gun 29; the proportioning operation is quitted, and the second material fluid switch valve 12 is closed; the precise flowmeter detects the flow of materials, and the high-speed fluid switch valve and control software ensure the matching precision and stability of the automatic two-component paint matching system;
when the automatic two-component paint proportioning system needs to change colors or finish working, mixed materials and pipelines need to be cleaned, the cleaning is divided into solvent flushing and compressed air blowing, the cleaning mode can be set through a system human-computer interface, the solvent flushing, the compressed air blowing or the alternative cleaning of the solvent flushing and the compressed air can be selected, and the cleaning time and the cleaning alternative cycle times are set; cleaning solvent is conveyed to the solvent cleaning fluid switch valve 1 through a third connecting pipeline 24 and a cleaning solvent conveying system 25, the inlet compressed air filter pressure regulating valve 6 is conveyed to the compressed air cleaning fluid switch valve 13 through a fifth connecting pipeline 27, during cleaning, the system opens the cleaning fluid switch valve according to the set cleaning mode, and the cleaning solvent or the compressed air cleans the mixed materials in the mixing pipe 28 and the spray gun 29 through the cleaning fluid switch valve and the one-way valve; the cleaning solvent and the compressed air are alternately cleaned, so that the cleaning solvent and the cleaning time can be reduced, and the whole pipeline can be cleaned more thoroughly.
Example 3
As shown in fig. 1 and 2, the automatic two-component paint proportioning system comprises a proportioning control system 8 and a fluid plate 71, wherein the proportioning control system 8 is arranged on a mounting plate, the fluid components are all arranged on a fluid plate 71 and comprise a first material color changing valve group 9, a first material flow meter 11, a first material sampling valve 14, a first material fluid switch valve 3, a first material one-way valve 15, a second material color changing valve group 5, a second material flow meter 4, a second material sampling valve 16, a second material fluid switch valve 12, a second material one-way valve 2, a drainage fluid switch valve 18, a second connecting pipeline 23, a third connecting pipeline 24, a first connecting pipeline 17, a first material conveying system 21, an inlet compressed air filter pressure regulating valve 6, an air filtering pressure regulating valve 10, a compressed air cleaning fluid switch valve 13, a solvent cleaning fluid switch valve 1 and an electromagnetic valve island 7; on the use site, the fluid plate and the proportioning control system 8 are separately installed, and the middle part is connected through a cable, so that the use process of the whole device is completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The two-component paint proportioning system comprises an air filtering and pressure regulating valve (10), a second material conveying system (20), a first material conveying system (22) and a spray gun (29), and is characterized in that: a second connecting pipeline (23) is connected below the first material conveying system (22), a first material color changing valve group (9) is connected to the middle position of the second connecting pipeline (23), a first material flow meter (11) is arranged at the right lower part of the first material color changing valve group (9), a third connecting pipeline (24) is connected to the right side of the first material flow meter (11), a first material sampling valve (14) is connected to the right side of the third connecting pipeline (24), the first material sampling valve (14) is communicated with an input end through a first material one-way valve (15) of a connecting pipeline, a first material fluid switch valve (3) is arranged at the right side of the first material one-way valve (15), a second material switch valve (12) is arranged above the first material fluid switch valve (3), and a second material one-way valve (2) is connected to the left side of the second material switch valve (12), the outer side of the second material one-way valve (2) is connected with a first connecting pipeline (17), the middle position of the first connecting pipeline (17) is connected with a second material sampling valve (16), the tail end of the first connecting pipeline (17) is connected with a second material flowmeter (4), a second material color changing valve group (5) is arranged on the right side of the second material flowmeter (4), the right side of the second material color changing valve group (5) is connected with a second material conveying pipeline (21), a second material conveying system (20) is arranged at the top end of the second material conveying pipeline (21), the air filtering and pressure regulating valve (10) is arranged below the first material sampling valve (14), the right end of the air filtering and pressure regulating valve (10) is connected with a fifth connecting pipeline (27), and the tail end of the fifth connecting pipeline (27) is connected with an air cleaning fluid switch valve (13), a cleaning solvent conveying system (25) is arranged below the air filtering and pressure regulating valve (10), a fourth connecting pipeline (26) is connected to the left side of the cleaning solvent conveying system (25), the tail end of the fourth connecting pipeline (26) is connected with a solvent cleaning fluid switch valve (1), a draining fluid switch valve (18) is arranged on the right lower side of the solvent cleaning fluid switch valve (1), the draining fluid switch valve (18) is communicated with a pressure stabilizing valve (19) through a mixing pipe (28), a spray gun (29) is arranged on the right side of the pressure stabilizing valve (19), a valve marble (30) is arranged on the left side inside the mixing pipe (28), a spring (31) of a one-way valve is connected to the left side of the valve marble (30), a material outlet (32) is arranged on the left side of the spring (31) of the one-way valve, and a valve (33) is arranged at the upper end of the first material color changing valve bank (9), and the inside of first material trades look valves (9) is provided with piston assembly (34), the left and right sides of piston assembly (34) all is provided with entry (35), the right side of first material trades look valves (9) is connected with first fluid ooff valve (36), and the below of first fluid ooff valve (36) is provided with second fluid ooff valve (37), the left side of first material trades look valves (9) is provided with third fluid ooff valve (38), and the top of third fluid ooff valve (38) is provided with fourth fluid ooff valve (39), the top of second material flowmeter (4) is provided with compressed air filter air-vent valve (6), and the left side of compressed air filter air-vent valve (6) is provided with solenoid valve island (7), ratio control system (8) are installed to the top of solenoid valve island (7).
2. The two-component paint proportioning system of claim 1 wherein: the first material conveying system (22) is communicated with the first material color changing valve group (9) through a second connecting pipeline (23), and the first material flow meter (11) is communicated with the first material fluid switch valve (3) through a third connecting pipeline (24), the first material sampling valve (14) and the first material one-way valve (15).
3. The two-component paint proportioning system of claim 1 wherein: the second material conveying system (20) and the second material color changing valve group (5) form a communicating structure through a second material conveying pipeline (21), and the second material color changing valve group (5) forms a communicating structure through a second material flowmeter (4), a first connecting pipeline (17), a second material one-way valve (2), a second material sampling valve (16) and a second material fluid switch valve (12).
4. The two-component paint proportioning system of claim 1 wherein: the air filtering and pressure regulating valve (10) is communicated with the air cleaning fluid switch valve (13) through a fifth connecting pipeline (27), and the cleaning solvent conveying system (25) is communicated with the solvent cleaning fluid switch valve (1) through a fourth connecting pipeline (26).
5. The two-component paint proportioning system of claim 1 wherein: the solvent cleaning fluid switch valve (1) forms a communicating structure with the spray gun (29) through the draining fluid switch valve (18), the mixing tube (28) and the pressure stabilizing valve (19), and an elastic telescopic structure is formed between the valve marble (30) and the spring (31) of the one-way valve.
6. The two-component paint proportioning system of claim 1 wherein: the electromagnetic valve island (7) is in electrical output connection with the proportioning control system (8) through a lead, and the first fluid switch valve (36) and the second fluid switch valve (37) are symmetrically distributed with the third fluid switch valve (38) and the fourth fluid switch valve (39) about the vertical center line of the first material color changing valve group (9).
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| CN201920533851.0U CN209866391U (en) | 2019-04-19 | 2019-04-19 | Bi-component paint proportioning system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113692322A (en) * | 2020-01-30 | 2021-11-23 | Abb瑞士股份有限公司 | Coating device |
| CN113694756A (en) * | 2020-05-20 | 2021-11-26 | 上海发那科机器人有限公司 | Five-valve mixing module for water paint |
| CN115003419A (en) * | 2020-01-09 | 2022-09-02 | 陶氏环球技术有限责任公司 | Automatic spraying system for generating elastic base plate on sleeper |
| CN116004389A (en) * | 2022-04-21 | 2023-04-25 | 泰舸赛迩生命科技(无锡)有限公司 | Low-shear force pulsation-free liquid circulation device and method for biomedical production |
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- 2019-04-19 CN CN201920533851.0U patent/CN209866391U/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115003419A (en) * | 2020-01-09 | 2022-09-02 | 陶氏环球技术有限责任公司 | Automatic spraying system for generating elastic base plate on sleeper |
| CN113692322A (en) * | 2020-01-30 | 2021-11-23 | Abb瑞士股份有限公司 | Coating device |
| CN113694756A (en) * | 2020-05-20 | 2021-11-26 | 上海发那科机器人有限公司 | Five-valve mixing module for water paint |
| CN116004389A (en) * | 2022-04-21 | 2023-04-25 | 泰舸赛迩生命科技(无锡)有限公司 | Low-shear force pulsation-free liquid circulation device and method for biomedical production |
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