Automatic mixing and spraying system for water-based paint

Abstract

The utility model discloses an automatic mixing and spraying system for water-based paint, and relates to the technical field of automatic spraying. A top inlet of a storage tank is connected with outlets of a plurality of raw material kettles and an outlet of a cleaning kettle through feeding pipes, a bottom outlet of the storage tank is connected with a spray gun through a discharging pipe, and a stirring device is used for stirring raw materials in the storage tank; a filter layer used for filtering impurities in raw materials is arranged in the raw material kettle, the filter layer is located above an outlet of the raw material kettle, a first valve is arranged on a first pipeline connecting the outlet of the raw material kettle and the feeding pipe, a second valve is arranged on a second pipeline connecting the outlet of the cleaning kettle and the feeding pipe, and a third valve is arranged on the discharging pipe. By arranging the raw material kettle, the cleaning kettle and the stirring device, automatic feeding, stirring and cleaning are achieved, time and labor are saved, the risk that the service life of a pipeline connector is shortened due to the fact that pipelines need to be disassembled and assembled during manual cleaning is avoided, and the pipelines can be effectively prevented from being blocked by filtering impurities in raw materials through the filtering layer and cleaning through the cleaning kettle.

Description

TECHNICAL FIELD

[0001] The application relates to the field of automatic spraying technology, in particular to an automatic mixing and spraying system for water-based paint. BACKGROUND

[0002] When the water-based adhesive is used, the resin and the curing agent are usually manually mixed uniformly according to the proportion, and then sprayed onto the device through a spray gun. The manual stirring is time-consuming and laborious; if there are residues or skins before and during use, the pipeline is easy to be blocked; after use, the water-based adhesive solidified in the pipeline will also cause the pipeline to be blocked, and manual cleaning usually needs to disassemble the pipeline for cleaning, which is time-consuming, and the repeated disassembly and assembly of the pipeline will reduce the service life of the pipeline connection port.

[0003] Therefore, how to effectively avoid pipeline blockage and how to realize automatic stirring and cleaning are problems to be solved by those skilled in the art. CONTENT OF THE UTILITY MODEL

[0004] The application aims to provide an automatic mixing and spraying system for water-based paint, which solves the problems of pipeline blockage and time-consuming manual cleaning of the pipeline and reduces the service life of the pipeline connection port.

[0005] To solve the above technical problems, the application provides an automatic mixing and spraying system for water-based paint, which comprises a storage tank, a raw material kettle, a cleaning kettle, a stirring device, a spray gun, a first valve, a second valve and a third valve.

[0006] The top inlet of the storage tank is connected with the outlets of a plurality of raw material kettles and the outlet of the cleaning kettle through a feeding pipe, the bottom outlet of the storage tank is connected with the spray gun through a discharging pipe, the stirring device is used for stirring the raw materials in the storage tank, a filter layer for filtering impurities in the raw materials is arranged in the raw material kettle, the filter layer is located above the outlet of the raw material kettle, the first valve is arranged on a first pipeline connected with the outlet of the raw material kettle and the feeding pipe, the second valve is arranged on a second pipeline connected with the outlet of the cleaning kettle and the feeding pipe, and the third valve is arranged on the discharging pipe.

[0007] In a feasible embodiment, a weighing device and a controller are further included, the first valve, the second valve and the third valve are all electric valves, the bottom of each raw material kettle is provided with the weighing device, the weighing device is used for detecting the weight of the raw materials in the raw material kettle in real time, and the controller is connected with the first valve, the second valve, the third valve and the weighing device.

[0008] In an embodiment, the filter layer is a conical filter layer, and an annular edge of a top of the conical filter layer abuts an inner wall of the storage tank, and a diameter of the conical filter layer gradually decreases from an end far from the outlet of the raw material kettle to an end close to the outlet of the raw material kettle.

[0009] In an embodiment, the stirring device comprises a motor, a stirring rod, and stirring blades, a first end of the stirring rod is connected to the motor, a second end of the stirring rod is inserted into the storage tank through a top of the storage tank and extends to a bottom of the storage tank, the stirring blades are connected to the second end of the stirring rod, and the motor is connected to the controller.

[0010] In an embodiment, the system further comprises a multi-channel pipeline connection port, the multi-channel pipeline connection port is connected to the first pipeline, the second pipeline, and the feeding pipe, respectively.

[0011] In an embodiment, the system further comprises a cylindrical filter screen arranged in the storage tank, two ends of the cylindrical filter screen abut a top surface of the storage tank and a bottom surface of the storage tank, respectively, a hollow interlayer is formed between an outer wall of the cylindrical filter screen and an inner wall of the storage tank, the feeding pipe is inserted into the hollow interlayer through a top inlet of the storage tank, and the stirring rod and the stirring blades are arranged in the cylindrical filter screen.

[0012] In an embodiment, the system further comprises an air compressor and a pressure gauge, the air compressor is connected to the top of the storage tank through an air inlet pipe, and the pressure gauge is arranged on the air inlet pipe.

[0013] In an embodiment, the spray gun comprises a gun body and a nozzle detachably connected to the gun body.

[0014] In an embodiment, the storage tank comprises a tank body and a bottom cover detachably connected to a bottom of the tank body.

[0015] In an embodiment, an inner wall of the bottom cover is provided with an annular positioning groove, and a bottom of the cylindrical filter screen is clamped to the annular positioning groove.

[0016] The water-based paint automatic mixing and spraying system provided by the application comprises a storage tank, a raw material kettle, a cleaning kettle, a stirring device, a spray gun, a first valve, a second valve and a third valve. The top inlet of the storage tank is connected with the outlets of the raw material kettles and the cleaning kettle through a feeding pipe, and the bottom outlet of the storage tank is connected with the spray gun through a discharging pipe. The stirring device is used for stirring the raw materials in the storage tank. A filter layer for filtering impurities in the raw materials is arranged in the raw material kettle and located above the outlet of the raw material kettle. The first valve is arranged on a first pipeline connected with the feeding pipe at the outlet of the raw material kettle. The second valve is arranged on a second pipeline connected with the feeding pipe at the outlet of the cleaning kettle. The third valve is arranged on the discharging pipe. The raw material kettle, the cleaning kettle and the stirring device are arranged to realize automatic feeding, stirring and cleaning, thereby saving time and effort and effectively avoiding the risk of reducing the service life of the pipeline connection port caused by disassembling and assembling the pipeline for manual cleaning. The filter layer arranged in the storage tank can filter impurities in the raw materials, and the timely cleaning of the pipeline by the cleaning kettle can effectively avoid pipeline blockage. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the application, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor.

[0018] Figure 1 The structural diagram of the water-based paint automatic mixing and spraying system provided by the embodiments of the application.

[0019] The reference signs are as follows: 1-storage tank, 101-hollow sandwich, 2-raw material kettle, 3-cleaning kettle, 4-spray gun, 5-first valve, 6-second valve, 7-third valve, 8-feeding pipe, 9-discharging pipe, 10-filter layer, 11-first pipeline, 12-second pipeline, 13-weigher, 14-motor, 15-stirring rod, 16-stirring blade, 17-multi-way pipeline connection port, 18-cylindrical filter screen, 19-air compressor, 20-pressure gauge, 21-air inlet pipe. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the application will be described clearly and completely below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only some of the embodiments of the application, not all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the application.

[0021] The core of the application is to provide a water-based paint automatic mixing and spraying system for effectively avoiding pipeline blockage and realizing automatic stirring and cleaning.

[0022] In order to make the person skilled in the art better understand the scheme of the present application, the present application is further described in detail below in combination with the drawings and specific embodiments.

[0023] Figure 1 The structural diagram of the automatic mixing and spraying system of the water-based paint provided by the embodiment of the present application is shown in Figure 1 The automatic mixing and spraying system of the water-based paint comprises a storage tank 1, a raw material kettle 2, a cleaning kettle 3, a stirring device, a spraying gun 4, a first valve 5, a second valve 6 and a third valve 7. The top inlet of the storage tank 1 is connected with the outlets of the plurality of raw material kettles 2 and the outlet of the cleaning kettle 3 through the feeding pipes 8 respectively, and the bottom outlet of the storage tank 1 is connected with the spraying gun 4 through the discharging pipe 9. The stirring device is used for stirring the raw materials in the storage tank 1. The raw material kettle 2 is provided with a filter layer 10 for filtering impurities in the raw materials. The filter layer 10 is located above the outlet of the raw material kettle 2. The first valve 5 is arranged on the first pipeline 11 connected with the feeding pipe 8 at the outlet of the raw material kettle 2. The second valve 6 is arranged on the second pipeline 12 connected with the feeding pipe 8 at the outlet of the cleaning kettle 3. The third valve 7 is arranged on the discharging pipe 9.

[0024] The shape and size of the storage tank 1 are not specifically limited in the embodiment of the present application and can be designed according to actual needs. The number of the raw material kettles 2 depends on the types of the raw materials required. The top of the raw material kettle 2 is provided with a feeding opening, which can facilitate the staff to feed the raw material kettle 2. The bottom of the raw material kettle 2 is the outlet of the raw materials. The outlet of the raw material kettle 2 is connected with the feeding pipe 8 through the first pipeline 11. The raw material kettle 2 is provided with the filter layer 10. The filter layer 10 can be arranged in the middle of the raw material kettle 2 to separate the raw material kettle 2 into two chambers. The raw materials in the upper part of the filter layer 10 flow into the storage tank 1 from the outlet at the bottom of the raw material kettle 2 after being filtered by the filter layer 10. The cleaning kettle 3 is used for containing cleaning agents or water and is used for delivering the cleaning agents or water to the storage tank 1. The stirring device is not specifically limited in the embodiment of the present application. On the one hand, the stirring device can be used for stirring the raw materials in the storage tank 1. On the other hand, the stirring device can also be used for stirring the cleaning water to improve the cleaning effect in the process of cleaning the storage tank 1. As to how to deliver the cleaning water and the raw materials to the storage tank 1, a delivery pump can be arranged on the first pipeline 11 and the second pipeline 12, or the cleaning water and the raw materials can be delivered by gravity, that is, the outlet at the bottom of the raw material kettle 2 and the outlet at the bottom of the cleaning kettle 3 are located above the top inlet of the storage tank 1.

[0025] The water-based paint automatic mixing and spraying system provided by the embodiment of the application comprises a storage tank 1, a raw material kettle 2, a cleaning kettle 3, a stirring device, a spray gun 4, a first valve 5, a second valve 6 and a third valve 7. The top inlet of the storage tank 1 is connected to the outlets of the plurality of raw material kettles 2 and the outlet of the cleaning kettle 3 through a feeding pipe 8. The bottom outlet of the storage tank 1 is connected to the spray gun 4 through a discharging pipe 9. The stirring device is used for stirring the raw materials in the storage tank 1. The raw material kettle 2 is provided with a filter layer 10 for filtering impurities in the raw materials. The filter layer 10 is located above the outlet of the raw material kettle 2. The first valve 5 is arranged on a first pipeline 11 connected to the outlet of the raw material kettle 2 and the feeding pipe 8. The second valve 6 is arranged on a second pipeline 12 connected to the outlet of the cleaning kettle 3 and the feeding pipe 8. The third valve 7 is arranged on the discharging pipe 9. The raw material kettle 2, the cleaning kettle 3 and the stirring device are arranged to realize automatic feeding, stirring and cleaning, thereby saving time and effort and effectively avoiding the risk of reducing the service life of the pipeline connection port due to disassembly and assembly of the pipeline for manual cleaning. The filter layer 10 arranged in the storage tank 1 can filter impurities in the raw materials, and timely cleaning of the pipeline by the cleaning kettle 3 can effectively prevent the pipeline from being blocked.

[0026] Based on the above embodiment, the embodiment of the application further comprises a weighing device 13 and a controller. The first valve 5, the second valve 6 and the third valve 7 are all electric valves. The bottom of each raw material kettle 2 is provided with a weighing device 13. The weighing device 13 is used for detecting the weight of the raw materials in the raw material kettle 2 in real time. The controller is connected to the first valve 5, the second valve 6, the third valve 7 and the weighing device 13. The controller in the embodiment of the application acquires the weight of the raw materials in the raw material kettle 2 detected by the weighing device 13 in real time. The amount of the raw materials delivered to the storage tank 1 can be determined according to the change of the weight of the raw materials before and after. When the amount of the raw materials delivered reaches a set value, the first valve 5 can be controlled to be closed, and the delivery of the raw materials to the storage tank 1 can be paused.

[0027] Based on the above embodiment, the filter layer 10 in the embodiment of the application is a conical filter layer. The annular edge at the top of the conical filter layer abuts against the inner wall of the storage tank 1. The diameter of the conical filter layer gradually decreases from the end far away from the outlet of the raw material kettle 2 to the end close to the outlet of the raw material kettle 2. Figure 1 As shown in the figure, the diameter of the conical filter layer gradually decreases from top to bottom. The diameter of the annular edge at the top of the conical filter layer matches the inner diameter of the storage tank 1. Further, a plurality of limiting steps can be arranged on the inner wall of the storage tank 1. The plurality of limiting steps are located at the same height. The limiting steps are located below the annular edge to limit the downward movement of the conical filter layer. The conical filter layer adopted in the embodiment of the application can increase the filtering area. The design of the conical filter layer forms a continuous gradient density filter layer, which can more effectively trap impurities.

[0028] Based on the above embodiments, the stirring device of this application includes a motor 14, a stirring rod 15, and stirring blades 16. The first end of the stirring rod 15 is connected to the motor 14, and the second end of the stirring rod 15 is sealed inside the storage tank 1 through the top and extends to near the bottom of the storage tank 1. The stirring blades 16 are connected to the second end of the stirring rod 15. The motor 14 is connected to a controller. This application does not specifically limit the number of stirring blades 16; multiple blades can be provided. The motor 14 drives the stirring rod 15 to rotate, thereby causing the stirring blades 16 to rotate. The controller can control the rotational speed of the motor 14. The stirring device in this application has a simple structure and is easy to maintain.

[0029] Based on the above embodiments, this application embodiment further includes a multi-channel pipe connection port 17, which is respectively connected to the first pipe 11, the second pipe 12, and the feed pipe 8. Figure 1 As shown, the first end of the first pipeline 11 is connected to the outlet at the bottom of the raw material vessel 2, and a first valve 5 is provided on the first pipeline 11. The second end of the first pipeline 11 is connected to one of the interfaces in the multi-channel pipeline connection port 17. The first end of the second pipeline 12 is connected to the outlet at the bottom of the washing vessel 3, and a second valve 6 is provided on the second pipeline 12. The second end of the second pipeline 12 is connected to one of the interfaces in the multi-channel pipeline connection port 17. The first end of the feed pipe 8 is connected to one of the interfaces in the multi-channel pipeline connection port 17, and the second end of the feed pipe 8 is connected to the storage tank 1. By setting up the multi-channel pipeline connection port 17, the simultaneous transmission of multiple raw materials can be achieved.

[0030] Based on the above embodiments, this application embodiment further includes a cylindrical filter screen 18 disposed inside the storage tank 1. The two ends of the cylindrical filter screen 18 abut against the top and bottom surfaces of the storage tank 1, respectively. A hollow interlayer 101 is formed between the outer wall of the cylindrical filter screen 18 and the inner wall of the storage tank 1. The feed pipe 8 is sealed and inserted into the hollow interlayer 101 through the top inlet of the storage tank 1. The stirring rod 15 and stirring blades 16 are located inside the cylindrical filter screen 18. When the raw material enters the hollow interlayer 101, it is filtered by the cylindrical filter screen 18 and flows into the cylindrical filter screen 18, then flows into the outlet at the bottom of the storage tank 1. By setting the cylindrical filter screen 18 inside the storage tank 1, large particulate impurities can be prevented from clogging the spray gun 4. The cylindrical filter screen 18 is detachably connected to the storage tank 1 for easy replacement.

[0031] Based on the above embodiment, the application further includes an air compressor 19 and a pressure gauge 20. The air compressor 19 is connected to the top of the storage tank 1 through an air inlet pipe 21, and the pressure gauge 20 is installed on the air inlet pipe 21 to detect the air pressure in the storage tank 1. The air compressor 19 is used to increase the pressure in the storage tank 1, so that the raw materials in the storage tank 1 can be smoothly sprayed out through the spray gun 4. The spray gun 4 includes a gun body and a nozzle detachably connected to the gun body. The gun body and the nozzle are detachably connected, so that different shaped nozzles can be replaced according to needs. The nozzle includes a hollow cone nozzle for generating a hollow cone spray effect, a solid cone nozzle for forming a solid cone spray, an oval nozzle for generating an oval spray, a fan-shaped nozzle for forming a fan-shaped spray effect, and the like.

[0032] Based on the above embodiment, the application further includes an air compressor 19 and a pressure gauge 20. The air compressor 19 is connected to the top of the storage tank 1 through an air inlet pipe 21, and the pressure gauge 20 is installed on the air inlet pipe 21 to detect the air pressure in the storage tank 1. The air compressor 19 is used to increase the pressure in the storage tank 1, so that the raw materials in the storage tank 1 can be smoothly sprayed out through the spray gun 4. The spray gun 4 includes a gun body and a nozzle detachably connected to the gun body. The gun body and the nozzle are detachably connected, so that different shaped nozzles can be replaced according to needs. The nozzle includes a hollow cone nozzle for generating a hollow cone spray effect, a solid cone nozzle for forming a solid cone spray, an oval nozzle for generating an oval spray, a fan-shaped nozzle for forming a fan-shaped spray effect, and the like.

[0033] To better understand the application, the use method of the automatic mixing and spraying system for water-based paint is introduced as follows. The first valve 5 of the raw material kettle 2 is opened, the weight of the raw material detected by the weighing device is obtained, and the raw material with the set weight is added to the storage tank 1, and then the first valve 5 is closed. The motor 14 of the stirring device is turned on to stir the two raw materials uniformly. After uniform stirring, the air compressor 19 is turned on to increase the pressure in the storage tank 1 until the pressure of the pressure gauge 20 reaches the set air pressure. The third valve 7 is opened, and the spray gun 4 is used to spray paint to the sample. After spraying is completed, the second valve 6 of the cleaning kettle 3 is opened, water or cleaning agent is added to the storage tank 1, the stirring device is started to stir and clean, and then the air compressor 19 is started to increase the pressure in the storage tank 1. The spray gun 4 is used to spray out the cleaning water until the liquid is sprayed out until it is clean. The first valve 5, the second valve 6 and the third valve 7 are all one-way control valves.

[0034] The automatic mixing and spraying system for water-based paint provided by the application is described in detail above. Each embodiment in the specification is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts of each embodiment can be referred to each other. It should be pointed out that those skilled in the art can make some improvements and modifications to the application without departing from the principles of the application, and these improvements and modifications also fall within the protection scope of the claims of the application.

[0035] It also needs to be explained that in the present specification, the relational terms such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

Claims

1. An automatic mixing and spraying system for waterborne coatings, characterized in that, The utility model relates to a kind of material mixing device, including: Storage tank (1), raw material kettle (2), cleaning kettle (3), stirring device, spray gun (4), first valve (5), second valve (6) and third valve (7); The top inlet of the storage tank (1) is connected with the outlet of the plurality of raw material kettles (2) and the outlet of the cleaning kettle (3) through the feed pipe (8) respectively, the bottom outlet of the storage tank (1) is connected with the spray gun (4) through the discharge pipe (9), the stirring device is used for stirring the raw material in the storage tank (1), the raw material kettle (2) is provided with a filter layer (10) for filtering impurities in the raw material, the filter layer (10) is located above the outlet of the raw material kettle (2), the first valve (5) is provided on the first pipeline (11) connected with the feed pipe (8) at the outlet of the raw material kettle (2), the second valve (6) is provided on the second pipeline (12) connected with the feed pipe (8) at the outlet of the cleaning kettle (3), and the third valve (7) is provided on the discharge pipe (9).

2. The waterborne paint automated mixing and spraying system of claim 1, wherein, It also includes a weigher (13) and a controller, the first valve (5), the second valve (6) and the third valve (7) are all electric valves, the bottom of each raw material kettle (2) is provided with the weigher (13), the weigher (13) is used for detecting the weight of the raw material in the raw material kettle (2) in real time, and the controller is connected with the first valve (5), the second valve (6), the third valve (7) and the weigher (13) respectively.

3. The waterborne paint automated mixing and spraying system of claim 1, wherein, The filter layer (10) is a conical filter layer, the annular edge at the top of the conical filter layer abuts against the inner wall of the storage tank (1), and the diameter of the conical filter layer gradually decreases from the end away from the outlet of the raw material kettle (2) to the end close to the outlet of the raw material kettle (2).

4. The waterborne paint automated mixing and spraying system of claim 2, wherein, The stirring device includes a motor (14), a stirring rod (15) and stirring blades (16), the first end of the stirring rod (15) is connected with the motor (14), the second end of the stirring rod (15) is sealingly inserted into the storage tank (1) through the top of the storage tank (1) and extends to the near bottom of the storage tank (1), the stirring blades (16) are connected to the second end of the stirring rod (15), and the motor (14) is connected with the controller.

5. The waterborne paint automated mixing and spraying system of claim 1, wherein, It also includes a multi-pass pipeline connection port (17), and the multi-pass pipeline connection port (17) is connected with the first pipeline (11), the second pipeline (12) and the feed pipe (8) respectively.

6. The waterborne paint automated mixing and spraying system of claim 4, wherein, It also includes a cylindrical filter screen (18) arranged inside the storage tank (1), both ends of the cylindrical filter screen (18) abut against the top surface of the storage tank (1) and the bottom surface of the storage tank (1) respectively, a hollow interlayer (101) is formed between the outer wall of the cylindrical filter screen (18) and the inner wall of the storage tank (1), the feed pipe (8) is sealingly inserted into the hollow interlayer (101) through the top inlet of the storage tank (1), and the stirring rod (15) and the stirring blades (16) are located in the cylindrical filter screen (18).

7. The waterborne paint automated mixing and spraying system of claim 6, wherein, An air compressor (19) is connected to the top of the storage tank (1) through an air inlet pipe (21), and a pressure gauge (20) is installed on the air inlet pipe (21).

8. The waterborne paint automated mixing and spraying system of claim 1, wherein, The spray gun (4) comprises a gun body and a nozzle detachably connected with the gun body.

9. The waterborne paint automated mixing and spraying system of claim 6, wherein, The storage tank (1) comprises a tank body and a bottom cover detachably connected with the bottom of the tank body.

10. The waterborne paint automated mixing and spraying system of claim 9, wherein, An inner wall of the bottom cover is provided with an annular positioning groove, and the bottom of the cylindrical filter screen (18) is clamped with the annular positioning groove.

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