Automatic metering and proportioning device for multicolor two-component coating

Abstract

The utility model discloses an automatic metering and proportioning device for a multicolor two-component coating. The automatic metering and proportioning device comprises a component A conveying system, a component B conveying system and an automatic proportioning control system, the automatic proportioning control system is respectively connected with the component A conveying system and the component B conveying system, and realizes metering and proportioning output according to the opening and closing of metering valves on the component A conveying system and the component B conveying system. According to the utility model, coating components can be directly extracted from the raw material barrel, so that the tedious operation of cleaning the material barrel is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of spraying, and more specifically to an automatic metering and proportioning device for multi-color two-component coatings. Background Art

[0002] Conventional two-component paint mixing systems require pouring components A and B separately into a paint bucket, which is then pumped into a mixing tank by a transfer pump. A control system controls the component ratio and paint output. Whenever the paint is changed, components A and B must be completely drained from the bucket, followed by a cleaning agent poured into the bucket and pumped out by a transfer pump to clean the entire pipeline. This entire process involves numerous steps and is complex. Utility Model Content

[0003] In view of the defects existing in the prior art, the purpose of the utility model is to provide an automatic metering and proportioning device for multi-color two-component paint, which can directly extract paint components from the raw material barrel, avoiding the tedious operation of cleaning the barrel.

[0004] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0005] The utility model provides an automatic metering and proportioning device for multi-color two-component paint, comprising a component A conveying system, a component B conveying system and an automatic proportioning control system;

[0006] The component A delivery system includes multiple component A delivery mechanisms connected to component A barrels containing paints of different colors, a component A color-changing valve group connected to the multiple component A delivery mechanisms, and a component A distribution pipe connected to the component A color-changing valve group. A metering valve is provided at the discharge end of the component A delivery system.

[0007] The component B delivery system includes a plurality of component B delivery mechanisms connected to component B barrels containing paints of different colors, a component B color-changing valve group connected to the plurality of component B delivery mechanisms, and a component B distribution pipe connected to the component B color-changing valve group. A metering valve is provided at the discharge end of the component B delivery system.

[0008] The automatic proportioning control system is connected to the component A conveying system and the component B conveying system respectively. The automatic proportioning control system controls the opening and closing of the metering valve according to the discharge flow of the component A conveying system and the component B conveying system to achieve metered and proportioned output.

[0009] Preferably, the discharge ends of the component A delivery system and the component B delivery system are both provided with flow meters connected to the automatic proportioning control system.

[0010] Preferably, the flow meter is a mass flow meter or a volume flow meter.

[0011] Preferably, each component A delivery mechanism includes a component A delivery pump, a component A delivery pipe and a component A delivery pump valve; each component B delivery mechanism includes a component B delivery pump, a component B delivery pipe and a component B delivery pump valve.

[0012] Preferably, a cleaning system is also included;

[0013] The cleaning system includes a cleaning barrel for containing cleaning liquid, a cleaning pump connected to the cleaning barrel, and a cleaning pipe connected to the cleaning pump. The ends of the cleaning pipe are connected to the A component color-changing valve group and the B component color-changing valve group through cleaning valves respectively.

[0014] Preferably, the component A delivery pump and the component B delivery pump are selected from one of a diaphragm pump, a gear pump, and a plunger pump.

[0015] The beneficial effects of the utility model are as follows:

[0016] 1. This utility model uses a delivery pump to directly extract the coating components from the raw material barrel, avoiding the tedious operation of barrel cleaning;

[0017] 2. The utility model adds a color-changing valve group module to realize the switching on and off of different coatings. The module can also be combined and expanded as needed to achieve rapid switching of more coatings;

[0018] 3. The utility model is provided with a cleaning system to quickly clean the color-changing valve group module and pipelines, which is convenient for cleaning preparation before switching between multiple paints. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structure of the automatic metering and proportioning device for multi-color two-component coatings of the utility model;

[0020] In the figure, 1. Component A delivery system; 11. Component A delivery pump; 12. Component A barrel; 13. Component A delivery pump valve; 14. Component A delivery pipe; 15. Component A color-changing valve group; 16. Component A distribution pipe; 2. Component B delivery system; 21. Component B delivery pump; 22. Component B barrel; 23. Component B delivery pump valve; 24. Component B delivery pipe; 25. Component B color-changing valve group; 26. Component B distribution pipe; 3. Automatic proportioning control system; 4. Metering valve; 5. Flow meter; 6. Cleaning system; 61. Cleaning barrel; 62. Cleaning pump; 63. Cleaning valve; 64. Cleaning pipe. DETAILED DESCRIPTION

[0021] In order to better understand the above technical solution of the present invention, the technical solution of the present invention is further described below with reference to the accompanying drawings and embodiments.

[0022] Combine Figure 1As shown, the automatic metering and proportioning device for multi-color, two-component paint of the present invention comprises a component A delivery system 1, a component B delivery system 2, and an automatic proportioning control system 3. The component A delivery system includes multiple component A delivery mechanisms connected to component A barrels 12 containing different colors of paint, a component A color-changing valve assembly 15 connected to the multiple component A delivery mechanisms, and a component A dispensing pipe 16 connected to the component A color-changing valve assembly. A metering valve 4 is provided at the discharge end of the component A delivery system. The component B delivery system includes multiple component B delivery mechanisms connected to component B barrels 22 containing different colors of paint, a component B color-changing valve assembly 25 connected to the multiple component B delivery mechanisms, and a component B dispensing pipe 26 connected to the component B color-changing valve assembly. A metering valve 4 is provided at the discharge end of the component B delivery system. The automatic proportioning control system is connected to the component A delivery system and the component B delivery system, respectively. The automatic proportioning control system controls the opening and closing of the metering valves based on the discharge flow rate input parameters of the component A delivery system and the component B delivery system to achieve metered and proportioned output.

[0023] Combine Figure 1 As shown, the discharge ends of the component A delivery system and the component B delivery system are each equipped with a flow meter 5 connected to the automatic proportioning control system. The flow meter here can be a mass flow meter or a positive displacement flow meter. This flow rate is used to provide the automatic proportioning control system with the discharge flow rate of the component A delivery system and the component B delivery system output ends.

[0024] Combine Figure 1 As shown, each component A delivery mechanism includes a component A delivery pump 11, a component A delivery pipe 14, and a component A delivery pump valve 13. The outlet of the component A delivery pump valve is connected to the component A color-changing valve group. Switching between different component A paint colors is achieved by switching the corresponding component A delivery pump valve of the component A color-changing valve group. Each component B delivery mechanism includes a component B delivery pump 21, a component B delivery pipe 24, and a component B delivery pump valve 23. The outlet of the component B delivery pump valve is connected to the component B color-changing valve group. Switching between different component B paint colors is achieved by switching the corresponding component B delivery pump valve of the component B color-changing valve group. The component A and component B delivery pumps can be selected from a diaphragm pump, gear pump, or plunger pump, and the specific selection can be based on the different characteristics of the two-component paint.

[0025] Combine Figure 1 As shown, the automatic metering and proportioning device for multi-color two-component paint further includes a cleaning system 6 for cleaning the A component color-changing valve group, the B component color-changing valve group and the corresponding mixing pipelines.

[0026] Combine Figure 1As shown, the cleaning system includes a cleaning barrel 61 for containing cleaning liquid, a cleaning pump 62 connected to the cleaning barrel, and a cleaning pipe 64 connected to the cleaning pump; the cleaning pump is mainly used to extract the cleaning liquid in the cleaning barrel; the ends of the cleaning pipe are connected to the component A color-changing valve group and the component B color-changing valve group through cleaning valves 63, respectively, wherein the cleaning valves are respectively arranged at the inlets of the component A color-changing valve group and the component B color-changing valve group.

[0027] Example

[0028] This embodiment discloses a multi-color two-component coating automatic metering and proportioning device. Figure 1 As shown, the automatic metering and proportioning device for multi-color two-component paint includes a component A delivery system 1, a component B delivery system 2 and an automatic proportioning control system 3. The discharge ends of the component A delivery system 1 and the component B delivery system 2 are both provided with metering valves 4. The automatic proportioning control system 3 controls the opening and closing of the metering valve 4 according to the discharge flow input parameters of the component A delivery system 1 and the component B delivery system 2 to achieve metered and proportioned output. A delivery pump is used to directly extract the paint components from the raw material barrel to avoid the tedious operation of cleaning the barrel.

[0029] In this embodiment, the discharge ends of the component A delivery system 1 and the component B delivery system 2 are both provided with a flow meter 5. The flow meter 5 can be a mass flow meter, a volume flow meter, etc. The flow meter 5 is used to provide the flow of the output ends of the component A delivery system 1 and the component B delivery system 2 to the automatic proportioning control system 3. The flow meter 5 can feed back the output flow of the component A delivery system 1 and the component B delivery system 2 to the automatic proportioning control system 3. The automatic proportioning control system controls the opening and closing of the metering valve 4 according to the flow data input parameters to achieve metered and proportioned output.

[0030] In this embodiment, the component A delivery system 1 includes multiple component A delivery mechanisms connected to component A barrels 12 filled with different colors of paint, a component A color-changing valve group 15 connected to the multiple component A delivery mechanisms, and a component A distribution pipe 16 connected to the component A color-changing valve group 15. Each component A delivery mechanism includes a component A delivery pump 11, a component A delivery pipe 14, and a component A delivery pump valve 13. The outlet end of the component A delivery pump valve 13 is connected to the component A color-changing valve group 15. The component A delivery pump 11 includes an A1 pump, an A2 pump..., the component A barrel 12 includes an A1 barrel, an A2 barrel..., and the component A delivery pump valve 13 includes an A1 valve, an A2 valve.... The specific number is determined according to actual conditions. The B component delivery system 2 includes a plurality of B component delivery mechanisms connected to B component barrels 22 filled with different colors of paint, a B component color change valve group 25 connected to the plurality of B component delivery mechanisms, and a B component distribution pipe 26 connected to the B component color change valve 25 group; each B component delivery mechanism includes a B component delivery pump 21, a B component delivery pipe 24 and a B component delivery pump valve 23; the B component delivery pump 21, the B component barrels 22 filled with different colors of paint and the B component delivery pump valve 23, wherein the B component delivery pump 21 includes a B1 pump, a B2 pump..., the B component barrels 22 include a B1 barrel, a B2 barrel..., and the B component delivery pump valve 23 includes B1 valve, B2 valve..., the specific number is determined according to the actual situation. According to the different characteristics of the two-component paint, the delivery pump can select a diaphragm pump, a gear pump, a plunger pump, etc. The outlet ends of the A component delivery pump valve 13 and the B component delivery pump valve 23 are respectively provided with an A component color-changing valve group 15 and a B component color-changing valve group 25. The color-changing valve group is a prior art and will not be described in detail here. By switching the delivery pump valves corresponding to the color-changing valve group, the switching of different colors of paint is achieved. In this embodiment, the switching on and off of different paints is achieved by adding a color-changing valve group. It can also be combined and expanded as needed to expand A3~An and B3~Bn inputs to achieve rapid switching of more different colors of paint.

[0031] In this embodiment, a cleaning system 6 for cleaning the color-changing valve group and the pipeline is also included, which can quickly clean the color-changing valve group and the delivery pipeline, and also facilitates cleaning preparations before switching between multiple paints.

[0032] In this embodiment, the cleaning system 6 includes a cleaning barrel 61 for containing cleaning liquid, a cleaning pump 62 and a cleaning valve 63 for extracting the cleaning liquid from the cleaning barrel 61. The output end of the cleaning pump 62 is respectively connected to the color-changing valve groups on the component A delivery system 1 and the component B delivery system 2, and the cleaning valve 63 is respectively arranged at the inlet of the component A color-changing valve group 15 and the component B color-changing valve group 25.

[0033] Those skilled in the art should recognize that the above embodiments are merely intended to illustrate the present invention and are not intended to limit the present invention. As long as they are within the spirit of the present invention, any changes or modifications to the above embodiments will fall within the scope of the claims of the present invention.

Claims

1. An automatic metering and proportioning device for multi-color two-component coatings, characterized in that: Including component A conveying system, component B conveying system and automatic proportioning control system; The component A delivery system includes multiple component A delivery mechanisms connected to component A barrels containing paints of different colors, a component A color-changing valve group connected to the multiple component A delivery mechanisms, and a component A distribution pipe connected to the component A color-changing valve group. A metering valve is provided at the discharge end of the component A delivery system. The component B delivery system includes a plurality of component B delivery mechanisms connected to component B barrels containing paints of different colors, a component B color-changing valve group connected to the plurality of component B delivery mechanisms, and a component B distribution pipe connected to the component B color-changing valve group. A metering valve is provided at the discharge end of the component B delivery system. The automatic proportioning control system is connected to the component A conveying system and the component B conveying system respectively. The automatic proportioning control system controls the opening and closing of the metering valve according to the discharge flow of the component A conveying system and the component B conveying system to achieve metered and proportioned output.

2. The automatic metering and proportioning device for multi-color two-component coatings according to claim 1 is characterized in that: The discharge ends of the component A conveying system and the component B conveying system are both provided with flow meters connected to the automatic proportioning control system.

3. The automatic metering and proportioning device for multi-color two-component coatings according to claim 2 is characterized in that: The flow meter is a mass flow meter or a volume flow meter.

4. The automatic metering and proportioning device for multi-color two-component coatings according to claim 1 is characterized in that: Each component A delivery mechanism includes a component A delivery pump, a component A delivery pipe and a component A delivery pump valve; each component B delivery mechanism includes a component B delivery pump, a component B delivery pipe and a component B delivery pump valve.

5. The automatic metering and proportioning device for multi-color two-component coatings according to claim 1 is characterized in that: Also includes a cleaning system; The cleaning system includes a cleaning barrel for containing cleaning liquid, a cleaning pump connected to the cleaning barrel, and a cleaning pipe connected to the cleaning pump. The ends of the cleaning pipe are connected to the A component color-changing valve group and the B component color-changing valve group through cleaning valves respectively.

6. The automatic metering and proportioning device for multi-color two-component coatings according to claim 1 is characterized in that: The component A delivery pump and the component B delivery pump are selected from one of a diaphragm pump, a gear pump, and a plunger pump.

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