Ink preparation system capable of keeping hue of water-based paint continuous and stable

Abstract

The utility model discloses an ink preparation system for keeping the hue of a water-based paint continuous and stable, which comprises an ink preparation unit, a net roller coloring unit, a circulating transfer unit and a control unit, and the ink preparation unit, the net roller coloring unit and the circulating transfer unit are all connected with the control unit. The ink blending unit is used for stirring and mixing various raw materials with the proportion needed by the product color water-based paint and then conveying the raw materials to the circulating transfer unit, and the circulating transfer unit conveys the water-based paint to the net roller coloring unit for coating and coloring. And meanwhile, the product color water-based paint refluxed by the net roller coloring unit is stirred and mixed so as to ensure that the hue of the product water-based paint is continuous and stable. Various raw materials are uniformly stirred according to a preset proportion on the basis of the batching barrel, and the hue of the water-based paint is adjusted and corrected by utilizing the circulating transfer unit, so that the hue of the prepared water-based paint is continuously kept stable; the technical problem that the hue of a product is different from that of a standard sample due to the fact that the hue of the water-based paint is unstable in the prior art is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of printing and packaging processing equipment, in particular to an ink dispensing system for maintaining a continuous and stable hue of a water-based paint. Background Art

[0002] Paint refers to a type of liquid or solid material that can be evenly applied to the surface of an object to form a solid coating with protective, decorative or other properties. In the packaging industry, it is usually applied to the surfaces of paper, film, etc. to make them beautiful and brightly colored, or to give them special surface properties, such as increasing surface gloss, improving surface tension, providing metallic ink texture, coloring, improving barrier properties, corrosion resistance, etc.

[0003] Water-based paint refers to a paint that uses water as a medium as a diluent and does not contain organic solvents. It can be dissolved in water or can use water as a dispersion carrier. Since water-based paint does not contain benzene, toluene, xylene, formaldehyde, free TDI and other toxic heavy metals, it is non-toxic and has no irritating odor, is harmless to the human body, does not pollute the environment, and the coating is plump, crystal clear, flexible, and has the characteristics of water resistance, wear resistance, aging resistance, yellowing resistance, fast drying, and easy use. Therefore, it is widely used in the printing and packaging industry. However, during use, water-based paint has the characteristics of poor pigment dispersion, high surface tension, easy volatility, and susceptibility to temperature and humidity. As a result, it is difficult to stably control the hue of the water-based paint required for the terminal printed finished substrate during the gravure printing machine production process, resulting in a large difference between the surface hue of the terminal printed finished substrate and the hue of the standard sample. Based on this, the present application provides an ink mixing system that maintains a continuous and stable hue of water-based paint. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides an ink dispensing system for maintaining a continuous and stable color phase of a water-based paint, comprising an ink dispensing unit, an anilox roller coloring unit, a circulation transfer unit and a control unit, wherein the ink dispensing unit, the anilox roller coloring unit and the circulation transfer unit are all connected to the control unit, wherein:

[0005] The ink dispensing unit comprises a dispensing barrel and a first stirring assembly, wherein the dispensing barrel is provided with a first feeding pipe and a first dispensing pipe connected to the dispensing barrel, the first stirring assembly comprises a first driving mechanism and a first stirrer, the driving end of the first driving mechanism is connected to the first stirrer, and the first stirrer is placed in the dispensing barrel to stir the materials in the dispensing barrel evenly;

[0006] The circulating transfer unit comprises a transfer barrel and a second stirring assembly, wherein the transfer barrel is provided with a second feed pipe, a second discharge pipe and a return pipe connected to the transfer barrel, the second feed pipe is connected to the batching barrel through the first discharge pipe, the second stirring assembly comprises a second driving mechanism and a second stirrer, the driving end of the second driving mechanism is connected to the second stirrer, and the second stirrer is placed in the transfer barrel to stir the material in the transfer barrel evenly;

[0007] The anilox roller coloring unit comprises an ink tank, a coloring anilox roller and a coloring pressure roller, wherein the coloring anilox roller and the coloring pressure roller are arranged parallel to each other and with a gap fit, the lower half of the coloring anilox roller is placed in the ink tank for applying the water-based paint in the ink tank to the surface of the product substrate, the ink tank is provided with a feed port connected to a second feed pipe and an overflow port connected to a return pipe, and the overflow port is located on the upper side of the feed port.

[0008] Preferably, a filter screen is provided on the feed inlet.

[0009] Preferably, the transfer barrel is also connected to a third feed pipe, a flow controller is provided on the third feed pipe, and one end of the third feed pipe away from the transfer barrel is connected to a preset fine-tuning solvent raw material barrel.

[0010] Preferably, a plurality of raw material feed pipes connected to the first feed pipe are provided at one end of the first feed pipe away from the mixing barrel, each raw material feed pipe is provided with a corresponding fluid metering valve, and each raw material feed pipe is connected to a raw material tank at one end away from the first feed pipe.

[0011] Preferably, the first driving mechanism and the second driving mechanism are both driving motors.

[0012] Preferably, the first agitator and the second agitator are both turbine agitators.

[0013] Preferably, the screen roller coloring unit further comprises a scraper, and the scraper cooperates with the coloring roller gap to scrape off excess water-based paint on the coloring roller.

[0014] Preferably, the screen roller coloring unit further comprises a guide roller, and the guide roller is arranged at the rear side of the coloring pressure roller to support and guide the product substrate.

[0015] Compared with the prior art, the ink dispensing system provided by the present application can keep the color of the water-based paint stable. Based on the dispensing barrel, various raw materials in a preset proportion can be evenly stirred, and the color of the water-based paint can be adjusted and corrected by using a circulating transfer unit, so that the color of the prepared water-based paint can be kept stable, which solves the technical problem in the prior art that the color of the product is different from the color of the standard sample due to the unstable color of the water-based paint; at the same time, by connecting a fine-tuning solvent raw material barrel to the transfer barrel, the color of the water-based paint in the transfer barrel can be fine-tuned based on the fine-tuning solvent, so that the color fluctuation of the surface of the finished substrate in batch production can be within the standard allowable error range. Therefore, the ink dispensing system can effectively improve production efficiency and reduce production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model is a structural schematic diagram of an ink dispensing system for maintaining a continuous and stable hue of a water-based paint.

[0017] In the figure: 11. batching barrel, 12. first agitator, 13. first feed pipe, 14. first discharge pipe, 15. first drive mechanism, 16. raw material feed pipe, 17. fluid metering valve, 18. raw material tank, 21. transfer barrel, 22. second agitator, 23. second drive mechanism, 24. second feed pipe, 25. second discharge pipe, 26. return pipe, 27. third feed pipe, 28. flow controller, 29. fine-tuning solvent raw material barrel, 31. ink tank, 32. coloring screen roller, 33. coloring pressure roller, 34. feed port, 35. overflow port, 36. scraper, 37. guide roller. DETAILED DESCRIPTION

[0018] In order to facilitate understanding of the structure and operation method of the utility model, the utility model is described in more detail below in conjunction with the drawings and optimized embodiments of the specification, but the protection scope of the utility model is not limited to the following specific embodiments. It should be noted that the structural features and component sizes in the embodiments of the utility model can be changed, the connection method can be replaced, and the size of the device can be changed without affecting the use effect.

[0019] Unless otherwise defined, all professional terms used hereinafter have the same meaning as those generally understood by those skilled in the art. The words "first", "second" and similar words used in the specification and claims of the utility model patent application do not indicate any order, quantity or importance, but are merely for the convenience of distinguishing the corresponding parts. Similarly, words such as "one" or "one" do not indicate a quantity limitation, but indicate the existence of at least one. Words such as "connect" or "connected" are not limited to direct connections, but can be indirectly connected through other intermediate connectors. "Above", "below", "one side", "the other side", "vertical", "lateral", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship also changes accordingly.

[0020] like Figure 1 As shown, the utility model provides an ink dispensing system for maintaining a continuous and stable color phase of a water-based paint, comprising an ink dispensing unit, an anilox roller coloring unit, a circulation transfer unit and a control unit, wherein the ink dispensing unit, the anilox roller coloring unit and the circulation transfer unit are all connected to the control unit, wherein:

[0021] The ink dispensing unit includes a dispensing barrel 11 and a first stirring assembly. The dispensing barrel 11 is provided with a first feeding pipe 13 and a first discharging pipe 14 which are connected to the dispensing barrel 11. The first stirring assembly includes a first driving mechanism 15 and a first stirrer 12. The driving end of the first driving mechanism 15 is connected to the first stirrer 12. The first stirrer 12 is placed in the dispensing barrel 11 to stir the materials in the dispensing barrel 11 evenly.

[0022] The circulating transfer unit includes a transfer barrel 21 and a second stirring assembly. The transfer barrel 21 is provided with a second feed pipe 24, a second discharge pipe 25 and a return pipe 26 connected to the transfer barrel 21. The second feed pipe 24 is connected to the batching barrel 11 through the first discharge pipe 14. The second stirring assembly includes a second drive mechanism 23 and a second stirrer 22. The drive end of the second drive mechanism 23 is connected to the second stirrer 22. The second stirrer 22 is placed in the transfer barrel 21 to stir the material in the transfer barrel 21 evenly.

[0023] The anilox roller coloring unit includes an ink tank 31, a coloring anilox roller 32 and a coloring pressure roller 33. The coloring anilox roller 32 and the coloring pressure roller 33 are arranged parallel to each other and with a gap fit. The lower half of the coloring anilox roller 32 is placed in the ink tank 31 to apply the water-based paint in the ink tank 31 to the surface of the product substrate. The ink tank 31 is provided with a feed port 34 connected to the second feed pipe 25 and an overflow port 35 connected to the return pipe 26, and the overflow port 35 is located on the upper side of the feed port 34.

[0024] In this embodiment, the first drive mechanism 15 and the second drive mechanism 23 are both drive motors, and the first agitator 12 and the second agitator 22 are both turbine agitators. First, various raw materials are injected into the batching barrel 11 according to the proportion, and the first drive mechanism 15 drives the first agitator 12 to rotate to evenly stir the materials in the batching barrel 11, and then the evenly stirred materials are transported to the transfer barrel 21 for temporary storage, and then the temporarily stored mixed materials are transported to the ink tank 31. Based on the cooperation of the coloring screen roller 32 and the coloring pressure roller 33, the water-based paint in the ink tank 31 is applied to the surface of the product substrate. At the same time, the mixed materials overflowing from the ink tank 31 will return to the transfer barrel 21 from the overflow port 35. At this time, under the drive of the second drive mechanism 23, the second agitator 22 can evenly stir the temporarily stored mixed materials in the transfer barrel 21 and the overflowed and refluxed mixed materials, thereby forming an uninterrupted conveying, reflux and stirring water-based paint flow cycle, and ensuring the continuous stability of the color of the mixed material water-based paint.

[0025] like Figure 1 As shown, the feed port 34 is provided with a filter screen (not shown in the figure).

[0026] In this embodiment, a filter screen is provided on the feed port 34, and the water-based paint entering the ink tank 31 can be filtered based on the filter screen, so that the water-based paint in the ink tank 31 does not contain particulate matter that cannot be fully dispersed, thereby avoiding the shrinkage phenomenon caused by poor coloring of the coating surface due to the high surface tension of the water-based paint.

[0027] like Figure 1 As shown, the transfer barrel 21 is also connected to a third feed pipe 27 , a flow controller 28 is provided on the third feed pipe 27 , and one end of the third feed pipe 27 away from the transfer barrel 21 is connected to a preset fine-tuning solvent raw material barrel 29 .

[0028] In this embodiment, since the gravure screen roller coloring method is open and cannot be completely closed, and the water-based paint has a large surface tension, is easily volatile, and is easily affected by temperature and humidity. By setting the third feed pipe 27 to be connected to the fine-tuning solvent raw material barrel 29, and using the flow controller 28 to control the input amount of the fine-tuning solvent in the third feed pipe 27, the difference between the surface hue of the finished substrate and the hue of the standard sample can be adjusted and corrected, so that the surface hue fluctuation of the finished substrate in batch production is within the standard allowable error range.

[0029] like Figure 1 As shown, a plurality of raw material feed pipes 16 connected to the first feed pipe 13 are provided at one end of the first feed pipe 13 away from the batching barrel 11, each raw material feed pipe 16 is provided with a corresponding fluid metering valve 17, and each raw material feed pipe 16 is connected to a raw material tank 18 at one end away from the first feed pipe.

[0030] In this embodiment, by providing a first feed pipe 13 and a raw material feed pipe 16 connected to the first feed pipe 13 and to each raw material tank 18, the fluid metering valve 17 on each raw material feed pipe 16 can be used to accurately control the ratio of each raw material, thereby effectively ensuring the consistency of the hue of the water-based paint configured in the mixing barrel 11 with the hue of the standard sample.

[0031] like Figure 1 As shown, the screen roller coloring unit further includes a scraper 36 , and the scraper 36 is gap-matched with the coloring roller 34 to scrape off excess water-based paint on the coloring roller 34 .

[0032] In this embodiment, the scraper 36 can be provided to scrape off the excess water-based paint remaining on the coloring roller 34 and drop it into the ink tank 31, thereby ensuring the stability of the color of the surface of the finished printed material.

[0033] like Figure 1 As shown, the screen roller coloring unit further includes a guide roller 37, and the guide roller 37 is disposed at the rear side of the coloring pressure roller 33 to support and guide the product substrate.

[0034] In this embodiment, the guide roller 37 is provided to support and guide the product substrate, thereby ensuring the stability of the coating process of the product substrate and further ensuring the stability of the surface color of the product substrate.

[0035] The above is a detailed introduction to an ink dispensing system for maintaining a continuous and stable color phase of a water-based coating provided by the utility model. This article uses specific examples to illustrate the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. An ink dispensing system for maintaining a continuous and stable color phase of a water-based coating, characterized in that: It includes an ink dispensing unit, an anilox roller coloring unit, a circulation transfer unit and a control unit, wherein the ink dispensing unit, the anilox roller coloring unit and the circulation transfer unit are all connected to the control unit, wherein: The ink dispensing unit comprises a dispensing barrel and a first stirring assembly, wherein the dispensing barrel is provided with a first feeding pipe and a first dispensing pipe connected to the dispensing barrel, the first stirring assembly comprises a first driving mechanism and a first stirrer, the driving end of the first driving mechanism is connected to the first stirrer, and the first stirrer is placed in the dispensing barrel to stir the materials in the dispensing barrel evenly; The circulating transfer unit comprises a transfer barrel and a second stirring assembly, wherein the transfer barrel is provided with a second feed pipe, a second discharge pipe and a return pipe connected to the transfer barrel, the second feed pipe is connected to the batching barrel through the first discharge pipe, the second stirring assembly comprises a second driving mechanism and a second stirrer, the driving end of the second driving mechanism is connected to the second stirrer, and the second stirrer is placed in the transfer barrel to stir the material in the transfer barrel evenly; The anilox roller coloring unit comprises an ink tank, a coloring anilox roller and a coloring pressure roller, wherein the coloring anilox roller and the coloring pressure roller are arranged parallel to each other and with a gap fit, the lower half of the coloring anilox roller is placed in the ink tank for applying the water-based paint in the ink tank to the surface of the product substrate, the ink tank is provided with a feed port connected to a second feed pipe and an overflow port connected to a return pipe, and the overflow port is located on the upper side of the feed port.

2. The ink dispensing system for maintaining a continuous and stable color phase of a water-based paint according to claim 1, characterized in that: A filter screen is provided on the feed inlet.

3. The ink dispensing system for maintaining a continuous and stable color phase of a water-based paint according to claim 1, characterized in that: The transfer barrel is also connected to a third feed pipe, on which a flow controller is arranged, and one end of the third feed pipe away from the transfer barrel is connected to a preset fine-tuning solvent raw material barrel.

4. The ink dispensing system for maintaining a continuous and stable color phase of a water-based paint according to claim 1, characterized in that: A plurality of raw material feed pipes connected to the first feed pipe are provided at one end of the first feed pipe away from the mixing barrel, each raw material feed pipe is provided with a corresponding fluid metering valve, and each raw material feed pipe is connected to a raw material tank at one end away from the first feed pipe.

5. The ink dispensing system for maintaining a continuous and stable color phase of a water-based paint according to claim 1, characterized in that: The first driving mechanism and the second driving mechanism are both driving motors.

6. The ink dispensing system for maintaining a continuous and stable color phase of a water-based paint according to claim 1, characterized in that: The first agitator and the second agitator are both turbine agitators.

7. The ink dispensing system for maintaining a continuous and stable color phase of a water-based paint according to claim 1, characterized in that: The screen roller coloring unit also includes a scraper, and the scraper is matched with the coloring roller gap to scrape off excess water-based paint on the coloring roller.

8. The ink dispensing system for maintaining a continuous and stable color phase of a water-based paint according to claim 1, characterized in that: The screen roller coloring unit also includes a guide roller, which is arranged at the rear side of the coloring pressure roller and is used to support and guide the product substrate.

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