Random matching and quantitative proportioning system for automobile coating

Abstract

The utility model provides a random matching and quantitative proportioning system for automobile paint. The system comprises a plurality of charging baskets, a servo proportioning subsystem and a mixing module, each material barrel is independently communicated with a coating inlet of a gear pump of the servo proportioning subsystem through a feeding pipe; each feeding pipe is provided with a diaphragm pump, and each material barrel independently conveys the coating to a gear pump of the servo proportioning subsystem through the diaphragm pump; a discharge port of the servo proportioning subsystem is communicated with a feed port of the mixing module through a discharge pipe, and a discharge port of the mixing module is communicated with the conveying pipeline; the servo proportioning subsystem can drive a gear pump to operate according to a closed-loop control circuit of the servo proportioning subsystem, and quantitatively outputs a coating to the mixing module, so that the coating can be mixed in the mixing module; the automobile coating random matching and quantitative proportioning system is simple in structure and convenient to operate, reduces personnel harm and avoids coating waste.

Description

Technical Field

[0001] The utility model belongs to the technical field of a random matching and quantitative proportioning system for automobile coatings, and in particular relates to a random matching and quantitative proportioning system for automobile coatings. Background Art

[0002] At present, many domestic automobile parts and daily necessities are widely sprayed to make a layer of paint or other coatings adhere to the surface; during the spraying process, the appearance and quality of the workpiece have high requirements on the spraying ratio and mixing; currently in the automobile production spraying industry, most of them use electronic scales to mix and stir the paint and the mixture according to the proportion, and then use the paint conveying device to convey the mixed paint to the spray gun for spraying. However, this method has a large workload and low efficiency, and when mixing, workers are exposed to the paint for a long time and are prone to inhaling toxic gases in the paint, which causes great harm to the body.

[0003] Based on the above technical problems existing in automobile production spraying, there is no relevant solution yet; therefore, it is urgent to find effective solutions to solve the above problems. Utility Model Content

[0004] The utility model aims to solve the shortcomings of the above-mentioned technologies and propose a random and quantitative proportioning system for automobile paint, so as to solve the problem of paint mixing in existing automobile production.

[0005] The utility model provides a random quantitative proportioning system for automobile paint, the system comprising a plurality of material barrels, a servo proportioning subsystem and a mixing module; each material barrel is separately connected with a paint inlet of a gear pump of the servo proportioning subsystem through a feed pipe; each feed pipe is provided with a diaphragm pump, and each material barrel separately conveys the paint to the gear pump of the servo proportioning subsystem through the diaphragm pump; the discharge port of the servo proportioning subsystem is connected with the feed port of the mixing module through the discharge pipe, and the discharge port of the mixing module is connected with the material delivery pipeline; the servo proportioning subsystem can drive the operation of the gear pump according to its closed-loop control circuit, and quantitatively output the paint to the mixing module, so that the paint can be mixed in the mixing module.

[0006] Furthermore, the servo proportioning subsystem includes a controller, multiple gear pumps and a mixing and converging device; the controller is electrically connected to the multiple gear pumps respectively, and can control the operation of each gear pump individually; each material barrel is connected to the paint inlet of a gear pump via a feed pipe; the paint outlets of the multiple gear pumps are connected to the feed port of the mixing and converging device respectively, and the discharge port of the mixing and converging device is connected to the feed port of the mixing module via the discharge pipe; the controller can drive each gear pump to rotate according to its closed-loop control, thereby outputting paint to the mixing module in a quantitative manner.

[0007] Furthermore, the gear pump includes a gear pump proportioning module, a paint inlet, a reducer, a servo motor and a paint outlet; the paint inlet is arranged at the feed port end of the gear pump proportioning module, and the paint outlet is arranged at the discharge port end of the gear pump proportioning module; the servo motor is transmission connected to the reducer; the reducer is transmission connected to the gears in the gear pump proportioning module through a transmission mechanism, and can drive the gears to rotate, thereby driving the quantitative output of liquid paint.

[0008] Furthermore, an inlet pressure sensor is provided at the feed port end of the gear pump proportioning module, and the inlet pressure sensor is used to detect the pressure of the paint liquid in the feed port of the gear pump proportioning module; an outlet pressure sensor is provided at the discharge port end of the gear pump proportioning module; the outlet pressure sensor is used to detect the pressure of the paint liquid in the discharge port of the gear pump proportioning module; the inlet pressure sensor and the outlet pressure sensor are electrically connected to the controller respectively.

[0009] Furthermore, a cleaning inlet is provided at the feed inlet end of the gear pump proportioning module, and a manual pressure relief ball valve is provided at the discharge outlet end of the gear pump proportioning module.

[0010] Furthermore, the system also includes a main air source, which is also connected to the feed port of the mixing and converging device. An air source valve is provided at the connection between the main air source and the feed port of the mixing and converging device; the main air source can transport compressed air into the mixing and converging device, thereby cleaning the mixing and converging device.

[0011] Furthermore, the system also includes a solvent barrel, which is connected to the paint inlet of each gear pump through a connecting pipe, and a diaphragm pump is provided on the connecting pipe; the solvent barrel can provide cleaning agent to each gear pump through the diaphragm pump.

[0012] Furthermore, the system includes a first barrel connected to a nitrogen tank; the first barrel is connected to the paint inlet of the first gear pump through a first feed pipe, and the paint outlet of the first gear pump is connected to the first feed port of the mixing and merging device through a first pipeline.

[0013] Furthermore, the system includes a second material barrel and a third material barrel, the second material barrel is separately connected to the paint inlet of the second gear pump through the second feed pipe, and the paint outlet of the second gear pump is connected to the second feed port of the mixing and merging device through the second pipeline; the third material barrel is separately connected to the paint inlet of the third gear pump through the third feed pipe, and the paint outlet of the third gear pump is connected to the third feed port of the mixing and merging device through the third pipeline.

[0014] Furthermore, the servo proportioning subsystem also includes a human-machine interface operation module, which is electrically connected to the controller; a paint pressure regulator is provided on the material delivery pipeline, and the paint pressure regulator is electrically connected to the controller.

[0015] The automobile paint random matching quantitative proportioning system provided by the utility model has the following technical effects:

[0016] First, the structure is simple, easy to operate, and reduces hazards to personnel;

[0017] Second, it is highly controllable, saving the waste caused by the chemical reaction of the paint after manual mixing due to time problems;

[0018] Third, it has a wide range of applications. Different solvents can be placed in multiple groups of containers and matched at will. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0020] The utility model will be further described below in conjunction with the accompanying drawings:

[0021] Figure 1 This is a schematic diagram of a random matching and quantitative matching system of the utility model;

[0022] Figure 2 This is a schematic diagram of the assembly of the gear pump of the utility model.

[0023] In the figure: 1. First material barrel; 2. Nitrogen tank; 3. Solvent barrel; 4. Second material barrel; 5. Third material barrel; 6. Paint pressure regulator; 7. Mixing module; 8. Mixing and confluence device; 9. Main air source; 10. Diaphragm pump; 11. First gear pump; 12. Second gear pump; 13. Third gear pump; 14. Gear pump proportioning module; 15. Cleaning inlet; 16. Paint inlet; 17. Inlet pressure sensor; 18. Reducer; 19. Servo motor; 20. Outlet pressure sensor; 21. Paint outlet; 22. Manual pressure relief ball valve. DETAILED DESCRIPTION

[0024] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0025] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0026] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined. The meaning of "several" is one or more, unless otherwise clearly and specifically defined.

[0027] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0028] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0029] like Figure 1 to Figure 2As shown, the utility model provides a random quantitative matching system for automobile paint, which is used for random quantitative matching and mixing of existing automobile paint; wherein, the system includes multiple barrels, a servo matching subsystem and a mixing module 7; different paints are placed in different barrels respectively; each barrel is connected to the paint inlet of the gear pump of the servo matching subsystem through a feed pipe; each feed pipe is provided with a diaphragm pump 10, and each barrel conveys the paint to the gear pump of the servo matching subsystem through the diaphragm pump 10, specifically, the diaphragm pump 10 of each barrel conveys the paint to the gear pump of each servo matching subsystem, and the servo matching subsystem is electrically controlled to drive the gear of the gear pump to rotate and quantitatively output the paint; the discharge port of the servo matching subsystem is connected to the feed port of the mixing module 7 through the discharge pipe, and the mixing module The discharge port 7 is connected with the feeding pipeline; the servo proportioning subsystem can drive the operation of the gear pump according to its closed-loop control circuit, and output the paint to the mixing module 7 in a quantitative manner, so that the paint can be mixed in the mixing module 7 and output through the only outlet of the module; the use of the above-mentioned automobile paint random matching quantitative proportioning system can solve the controllable proportioning of the raw materials output by the automobile paint, solve the waste caused by chemical reactions caused by the mixing of the paint, and solve the problem of proportioning and mixing when multiple paints are used. The paint is conveyed to the servo proportioning subsystem by pressure for precise proportioning in a controllable form, and then enters the mixing system for mixing, and finally is conveyed out through the feeding pipeline; the automobile paint random matching quantitative proportioning system provided by the utility model has a simple structure, is easy to operate, reduces personnel hazards, can reasonably carry out paint proportioning and mixing, and avoids paint waste.

[0030] Preferably, in combination with the above scheme, Figure 1 to Figure 2 As shown, the servo proportioning subsystem includes a controller, multiple gear pumps and a mixing and converging device 8; the controller is electrically connected to the multiple gear pumps respectively, and can control the operation of each gear pump individually; each material barrel is connected to the paint inlet of a gear pump via a feed pipe; the paint outlets of the multiple gear pumps are connected to the feed ports of the mixing and converging device 8 respectively, and the discharge ports of the mixing and converging device 8 are connected to the feed ports of the mixing module 7 via the discharge pipe; the controller can drive each gear pump to rotate according to its closed-loop control, thereby outputting paint to the mixing module 7 in a quantitative manner.

[0031] Preferably, in combination with the above scheme, Figure 1 to Figure 2 As shown, the gear pump includes a gear pump proportioning module 14, a paint inlet 16, a reducer 18, a servo motor 19 and a paint outlet 21; the paint inlet 16 is arranged at the feed port end of the gear pump proportioning module 14, and the paint outlet 21 is arranged at the discharge port end of the gear pump proportioning module 14; the servo motor 19 is transmission-connected to the reducer 18; the reducer 18 is transmission-connected to the gears in the gear pump proportioning module 14 through a transmission mechanism, and can drive the gears to rotate, thereby driving the quantitative output of liquid paint.

[0032] Preferably, in combination with the above scheme, Figure 1 to Figure 2 As shown, an inlet pressure sensor 17 is provided at the feed port end of the gear pump proportioning module 14, and the inlet pressure sensor 17 is used to detect the pressure of the paint liquid in the feed port of the gear pump proportioning module 14; an outlet pressure sensor 18 is provided at the discharge port end of the gear pump proportioning module 14; specifically, the outlet pressure sensor 18 is used to detect the pressure of the paint liquid in the discharge port of the gear pump proportioning module 14; the inlet pressure sensor 17 and the outlet pressure sensor 18 are electrically connected to the controller respectively.

[0033] Preferably, in combination with the above scheme, Figure 1 to Figure 2 As shown, a cleaning inlet 15 is further provided at the feed inlet end of the gear pump proportioning module 14 , and a manual pressure relief ball valve 22 is further provided at the discharge outlet end of the gear pump proportioning module 14 .

[0034] Preferably, in combination with the above scheme, Figure 1 to Figure 2 As shown, in this embodiment: the automobile paint random matching quantitative proportioning system provided by the utility model also includes a main air source 9, and the main air source 9 is also connected to the feed port of the mixing and converging device 8, and an air source valve is provided at the connection between the main air source 9 and the feed port of the mixing and converging device 8; the main air source 9 can transport compressed air into the mixing and converging device 8, so as to clean the mixing and converging device 8; the automobile paint random matching quantitative proportioning system provided by the utility model has a purging function for the mixing system and the pipeline. When the air source valve switch in the mixing and converging device 8 is turned on, the compressed air will enter the mixing and converging device 8 through the valve group, and enter the subsequent pipeline from the outlet of the mixing and converging device 8 until it is sprayed out from the pipeline outlet. Through this function, the paint or solvent in the converging plate and the pipeline can be purged clean, thereby playing a role in cleaning the pipeline.

[0035] Preferably, in combination with the above scheme, Figure 1 to Figure 2 As shown, in this embodiment: the utility model provides a random quantitative proportioning system for automobile paint, which also includes a solvent barrel 3, which is connected to the paint inlet of each gear pump through a connecting pipe, and a diaphragm pump 10 is provided on the connecting pipe; the solvent barrel 3 can provide cleaning agent to each gear pump through the diaphragm pump 10; the random quantitative proportioning system for automobile paint provided by the utility model has the function of cleaning the gear pump proportioning system, the mixing system and the subsequent output pipeline; specifically, the cleaning solvent can be placed in the solvent barrel 3, and when the paint needs to be cleaned after use, the human-machine interface can be used to select the proportioning system to be cleaned, and the cleaning liquid will be discharged after passing through the mixing system and the subsequent pipeline.

[0036] Preferably, in combination with the above scheme, Figure 1 to Figure 2As shown, in this embodiment: the utility model provides a random quantitative proportioning system for automobile paint, including a first material barrel 1, which is connected to a nitrogen tank 2; the first material barrel 1 is separately connected to the paint inlet of the first gear pump 11 through a first feed pipe, and the paint outlet of the first gear pump 11 is connected to the first feed port of the mixing and converging device 8 through a first pipeline.

[0037] Preferably, in combination with the above scheme, Figure 1 to Figure 2 As shown, in this embodiment: the utility model provides a random quantitative proportioning system for automobile paint, including a second material barrel 4 and a third material barrel 5. The second material barrel 4 is connected to the paint inlet of the second gear pump 12 separately through the second feed pipe, and the paint outlet of the second gear pump 12 is connected to the second feed port of the mixing and merging device 8 through the second pipeline; the third material barrel 5 is connected to the paint inlet of the third gear pump 13 separately through the third feed pipe, and the paint outlet of the third gear pump 13 is connected to the third feed port of the mixing and merging device 8 through the third pipeline.

[0038] Combining the above solutions, such as Figure 1 to Figure 2 As shown, the automobile paint random matching quantitative proportioning system provided by the utility model has a random matching mixing form of three paints and a solvent cleaning function; the first material barrel 1 is shown as a closed form, and the solvent barrel 3, the second material barrel 4 and the third material barrel 5 are open forms. Due to the different materials of the paint, the characteristics are also different, but the storage method of the paint has no effect on the proportioning form and the result, and the storage method can be arbitrarily matched; the automobile paint random matching quantitative proportioning system provided by the utility model, its specific working method is mainly to extract the paint in the barrel through the diaphragm pump 10, and transport it to the gear pump through the feed pipe, and the quantitative rotation according to the closed-loop control of the servo proportioning subsystem drives the quantitative output of the liquid. The servo proportioning subsystem is controlled by an electrical PLC, and the paint matching type and proportioning method can be arbitrarily set through the human-machine interface operation module; pressure detection devices (i.e., inlet pressure sensor and outlet pressure sensor) are respectively arranged at the input and output ends of the gear pump to accurately identify the state of the liquid in the pipeline, and timely feedback to the control system for closed-loop adjustment to avoid failures such as pipe burst caused by blockage, thereby achieving stable performance of the system.

[0039] Preferably, in combination with the above scheme, Figure 1 to Figure 2 As shown, in this embodiment: the servo proportioning subsystem also includes a human-machine interface operation module, which is electrically connected to the controller; a paint pressure regulator 6 is provided on the material delivery pipeline, and the paint pressure regulator 6 is electrically connected to the controller.

[0040] The automobile paint random matching quantitative proportioning system provided by the utility model has the following technical effects:

[0041] First, the structure is simple, easy to operate, and reduces hazards to personnel;

[0042] Second, it is highly controllable, saving the waste caused by the chemical reaction of the paint after manual mixing due to time problems;

[0043] Third, it has a wide range of applications. Different solvents can be placed in multiple groups of containers and matched at will.

[0044] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Any technician familiar with the field can make many possible changes and modifications to the technical solution of the utility model by using the above-mentioned technical content without departing from the scope of the technical solution of the utility model, or modify it into an equivalent embodiment of equivalent changes. Therefore, any changes, modifications, equivalent changes and modifications made to the above embodiments based on the technology of the utility model without departing from the content of the technical solution of the utility model shall fall within the protection scope of the technical solution of the utility model.

Claims

1. A random quantitative proportioning system for automotive coatings, characterized in that: The system comprises a plurality of material barrels, a servo proportioning subsystem and a mixing module (7); each of the material barrels is separately connected to the paint inlet of the gear pump of the servo proportioning subsystem through a feed pipe; each of the feed pipes is provided with a diaphragm pump (10), and each of the material barrels separately conveys the paint to the gear pump of the servo proportioning subsystem through the diaphragm pump (10); the discharge port of the servo proportioning subsystem is connected to the feed port of the mixing module (7) through the discharge pipe, and the discharge port of the mixing module (7) is connected to the feed pipeline; the servo proportioning subsystem can drive the gear pump to operate according to its closed-loop control circuit, and quantitatively output the paint to the mixing module (7), so that the paint can be mixed in the mixing module (7).

2. The random quantitative proportioning system for automobile coatings according to claim 1 is characterized in that: The servo proportioning subsystem includes a controller, a plurality of gear pumps and a mixing and converging device (8); the controller is electrically connected to the plurality of gear pumps respectively and is capable of individually controlling the operation of each of the gear pumps; each of the material barrels is individually connected to the paint inlet of one of the gear pumps via a feed pipe; the paint outlets of the plurality of gear pumps are respectively connected to the feed ports of the mixing and converging device (8), and the discharge ports of the mixing and converging device (8) are connected to the feed port of the mixing module (7) via the discharge pipe; the controller is capable of driving each of the gear pumps to rotate according to its closed-loop control, thereby quantitatively outputting paint to the mixing module (7).

3. The random quantitative proportioning system for automobile coatings according to claim 2 is characterized in that: The gear pump comprises a gear pump proportioning module (14), a paint inlet (16), a reducer (18), a servo motor (19) and a paint outlet (21); the paint inlet (16) is arranged at the feed port end of the gear pump proportioning module (14), and the paint outlet (21) is arranged at the discharge port end of the gear pump proportioning module (14); the servo motor (19) is transmission-connected to the reducer (18); the reducer (18) is transmission-connected to the gears in the gear pump proportioning module (14) through a transmission mechanism, and can drive the gears to rotate, thereby driving the quantitative output of liquid paint.

4. The random quantitative proportioning system for automobile coatings according to claim 3 is characterized in that: The feed port end of the gear pump proportioning module (14) is provided with an inlet pressure sensor (17), and the inlet pressure sensor (17) is used to detect the pressure of the coating liquid in the feed port of the gear pump proportioning module (14); the discharge port end of the gear pump proportioning module (14) is provided with an outlet pressure sensor (18); the outlet pressure sensor (18) is used to detect the pressure of the coating liquid in the discharge port of the gear pump proportioning module (14); the inlet pressure sensor (17) and the outlet pressure sensor (18) are respectively electrically connected to the controller.

5. The random quantitative proportioning system for automobile coatings according to claim 3 is characterized in that: The feed inlet end of the gear pump proportioning module (14) is also provided with a cleaning inlet (15), and the discharge outlet end of the gear pump proportioning module (14) is also provided with a manual pressure relief ball valve (22).

6. The random quantitative proportioning system for automobile coatings according to claim 2, characterized in that: The system further comprises a main gas source (9), the main gas source (9) being connected to the feed port of the mixing and converging device (8), and a gas source valve being provided at the connection between the main gas source (9) and the feed port of the mixing and converging device (8); the main gas source (9) is capable of delivering compressed air into the mixing and converging device (8), thereby cleaning the mixing and converging device (8).

7. The random quantitative proportioning system for automobile coatings according to claim 2, characterized in that: The system further comprises a solvent barrel (3), wherein the solvent barrel (3) is connected to the paint inlet of each gear pump via a connecting pipe, and a diaphragm pump (10) is provided on the connecting pipe; the solvent barrel (3) can provide cleaning agent to each gear pump via the diaphragm pump (10).

8. The random quantitative proportioning system for automobile coatings according to claim 2, characterized in that: The system comprises a first material barrel (1), the first material barrel (1) being connected to a nitrogen tank (2); the first material barrel (1) being connected to a coating material inlet of a first gear pump (11) via a first feed pipe, and the coating material outlet of the first gear pump (11) being connected to a first feed port of the mixing and converging device (8) via a first pipeline.

9. The random quantitative proportioning system for automobile coatings according to claim 8, characterized in that: The system comprises a second material barrel (4) and a third material barrel (5); the second material barrel (4) is separately connected to the paint inlet of the second gear pump (12) through a second feed pipe, and the paint outlet of the second gear pump (12) is connected to the second feed port of the mixing and merging device (8) through a second pipeline; the third material barrel (5) is separately connected to the paint inlet of the third gear pump (13) through a third feed pipe, and the paint outlet of the third gear pump (13) is connected to the third feed port of the mixing and merging device (8) through a third pipeline.

10. The random quantitative proportioning system for automobile coatings according to claim 2, characterized in that: The servo proportioning subsystem also includes a human-machine interface operation module, which is electrically connected to the controller; a paint pressure regulator (6) is provided on the material delivery pipeline, and the paint pressure regulator (6) is electrically connected to the controller.

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