Printing and dyeing machine

Abstract

The utility model discloses a printing and dyeing machine which comprises a controller, a power source and a plurality of printing and dyeing units, each printing and dyeing unit comprises a spray head, a liquid supply pipeline and a pressurizing pipeline, the pressurizing pipelines of all the printing and dyeing units are connected to the same power source, and a pressure adjusting assembly is arranged on each pressurizing pipeline. The dye cylinders and the pressurizing pipelines are arranged on all the printing and dyeing units, the pressure adjusting assemblies are arranged on the pressurizing pipelines, different printing and dyeing units can adjust the gas pressure in all the pressurizing pipelines through the pressure adjusting assemblies, and therefore the flow of dye sprayed out of the nozzles of all the printing and dyeing units is consistent; uniform cloth printing and dyeing are guaranteed, and printing and dyeing cost is reduced. All the pressurizing pipelines are connected to the same power source, so that the printing and dyeing machine can realize respective pressurizing driving of all the printing and dyeing units through a single power source, a device for extracting dye does not need to be independently arranged on each printing and dyeing unit, and the cost of the printing and dyeing machine is reduced.

Description

Technical Field

[0001] This utility model belongs to the field of printing and dyeing equipment, and specifically relates to a printing and dyeing machine. Background Technology

[0002] Commercially available printing and dyeing machines typically have multiple nozzles arranged side-by-side. As the fabric passes under these nozzles, they simultaneously spray dye to color different areas of the fabric. However, during the printing and dyeing process, the pressure loss varies as the dye flows through different pipes, valves, pumps, filters, and other components into each nozzle. This results in inconsistent dye flow rates entering each nozzle, leading to varying amounts of dye sprayed from each nozzle at the same time. Consequently, the fabric is dyed unevenly, resulting in poor printing and dyeing effects. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a printing and dyeing machine to solve the problem of uneven printing and dyeing caused by different pressure losses when the dye passes through different printing and dyeing units.

[0004] To solve the above-mentioned technical problems, this utility model adopts the following technical solution: a dyeing and printing machine, including a controller, a power source, and multiple dyeing and printing units. Each dyeing and printing unit includes a nozzle for spraying dye, with the nozzles of the multiple units arranged side-by-side. Each unit also includes a supply pipeline connected to a dye tank and the nozzle, and a pressurization pipeline connected to the dye tank. The pressurization pipelines of each dyeing and printing unit are connected to the same power source. The power source pressurizes the corresponding dye tank through the pressurization pipeline to drive the dye in the dye tank to flow to the nozzle through the supply pipeline. A pressure regulating component is provided on the pressurization pipeline, and the pressure regulating component is electrically connected to the controller to regulate the air pressure within the pressurization pipeline. This technical solution has the following technical effects:

[0005] During the dyeing process, dye flows through various pipes, valves, pumps, and filters into different nozzles. The varying pressure losses result in inconsistent dye flow rates at each nozzle, leading to different amounts of dye sprayed from each nozzle simultaneously. This results in uneven dyeing across different parts of the fabric. This invention addresses this issue by installing dye tanks and pressurized pipelines in each dyeing unit, with pressure regulating components on the pressurized pipelines. These components control the gas pressure in the pressurized pipelines, thereby controlling the gas pressure entering the dye tanks. Different dyeing units can adjust the gas pressure in their respective pressurized pipelines through these components to compensate for the varying pressure losses experienced by the dye as it passes through different units. This ensures consistent dye flow rates from each nozzle, guaranteeing uniform dyeing of the fabric and reducing dyeing costs. By connecting all pressurized pipelines to the same power source, the dyeing and printing machine can achieve independent pressurization and drive of all dyeing and printing units through a single power source. This eliminates the need to set up separate devices for extracting dye in each dyeing and printing unit, simplifying the structure of the dyeing and printing machine and reducing its cost.

[0006] In the aforementioned dyeing and printing machine, the pressure regulating component includes a barometer and a pressure regulating valve located upstream of the barometer. The controller controls the pressure regulating valve based on the air pressure detected by the barometer. The structure is simple and reliable. By placing the pressure regulating valve upstream of the barometer, the barometer can quickly detect the air pressure value after adjustment by the pressure regulating valve, facilitating rapid adjustment of the pressure regulating valve by the controller.

[0007] In the aforementioned dyeing and printing machine, a pressure valve for opening and closing the pressure pipeline is also provided on the pressure pipeline. The pressure valve is located upstream of the pressure regulating component. By setting pressure valves on each pressure pipeline to open or close the pressure pipeline, when the power source shared by all dyeing and printing units is working, the pressure valves on each pressure pipeline can control whether the nozzles spray dye by opening and closing the pressure pipeline. When the width of the fabric to be dyed is narrow, only the nozzles of a few dyeing and printing units opposite to the fabric are controlled to spray dye, avoiding dye waste and preventing leakage from nozzles that do not need to be sprayed.

[0008] In the aforementioned dyeing and printing machine, a flow detection device is installed on the liquid supply pipeline. This device is electrically connected to the controller. Based on the nozzle flow rate detected by the flow detection device, the controller adjusts the air pressure in the pressurized pipeline via a pressure regulating component. During the process of the power source pushing the dye from the dye tank to the nozzle, the flow detection device detects the nozzle flow rate and feeds it back to the controller. The controller then controls the pressure regulating component to precisely control the nozzle flow rate of each dyeing and printing unit to the same value. This ensures that each nozzle sprays the same amount of dye onto the fabric per unit time, resulting in more uniform dyeing across all areas of the fabric.

[0009] In the aforementioned dyeing and printing machine, the flow detection device is a flow meter. Using a smaller flow meter as the flow detection device greatly reduces the space occupied by the flow detection device. At the same time, it has high measurement accuracy and good monitoring effect on the flow at the nozzle.

[0010] In the aforementioned dyeing and printing machine, the dyeing and printing unit also includes a waste liquid pipeline and a waste liquid valve for opening and closing the waste liquid pipeline. The waste liquid pipeline is connected to the printhead for discharging waste liquid from the printhead. When the dyeing and printing machine is performing dyeing and printing operations, the waste liquid valve is closed to prevent dye from leaking from the waste liquid pipeline. When the printhead becomes clogged or when water or other cleaning fluid is injected into the dye tank to clean the printhead, the waste liquid valve is opened, allowing the accumulated dye or cleaning fluid and other waste liquid at the printhead to flow out quickly through the waste liquid pipeline from the printhead, preventing excessive pressure at the printhead from causing damage and improving cleaning efficiency.

[0011] In the aforementioned dyeing and printing machine, a waste liquid tank is also included, which is connected to the outlet end of the waste liquid pipeline. This ensures that all waste liquid flowing out of the waste liquid pipeline is collected in the waste liquid tank, thus preventing pollution.

[0012] In the aforementioned dyeing and printing machine, the waste liquid pipelines of multiple dyeing and printing units are connected to the same waste liquid cylinder, reducing the number of waste liquid cylinders and simplifying the internal structure of the dyeing and printing machine; or, multiple waste liquid cylinders are provided, and the waste liquid pipelines of multiple dyeing and printing units are connected one-to-one with multiple waste liquid cylinders, so that the waste liquid in the waste liquid pipeline of each dyeing and printing unit is discharged into different waste liquid cylinders respectively.

[0013] In the aforementioned dyeing and printing machine, a hydraulic gauge is also installed on the waste liquid pipeline upstream of the waste liquid valve. The hydraulic gauge is electrically connected to the controller to detect the pressure at the nozzle. When the dyeing and printing machine is working to dye the fabric, the nozzle is connected to the waste liquid pipeline upstream of the waste liquid valve, allowing the hydraulic gauge to detect the pressure at the nozzle and transmit it to the controller. When the pressure at each nozzle is different, the hydraulic gauge can quickly feed back the detected pressure to the controller, which then controls the pressure regulating component to adjust the pressure. At the same time, the operator can also monitor the nozzle pressure in real time to check for blockages and clean or replace the nozzles as needed.

[0014] In the aforementioned dyeing and printing machine, a filter device for filtering dye is also installed on the liquid supply pipeline. The filter device is located between the dye tank and the printhead. This is used to filter the dye before it enters the printhead, preventing large particles in the dye from entering the printhead and causing wear or blockage, thus extending the printhead's service life.

[0015] The features and advantages of this utility model will be disclosed in detail in the following specific embodiments and accompanying drawings. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0017] Figure 1 This is a schematic diagram of the structure of a printing and dyeing machine according to the present invention;

[0018] Figure 2 This is a schematic diagram of the printing and dyeing unit.

[0019] Figure label:

[0020] 100. Controller;

[0021] 200. Power source;

[0022] 300. Printing and dyeing unit; 310. Spray nozzle; 320. Liquid supply pipeline; 321. Dye tank; 322. Flow detection device; 323. Filtration device; 330. Pressurization pipeline; 331. Pressure regulating component; 3311. Barometer; 3312. Pressure regulating valve; 332. Pressurization valve; 340. Waste liquid pipeline; 341. Waste liquid valve; 342. Hydraulic gauge;

[0023] 400. Waste liquid tank. Detailed Implementation

[0024] This invention discloses a dyeing and printing machine, comprising a controller, a power source, and multiple dyeing and printing units. Each dyeing and printing unit includes a nozzle for spraying dye, with the nozzles of multiple units arranged side by side. Each unit also includes a supply pipeline connected to a dye tank and the nozzle, and a pressurization pipeline connected to the dye tank. The pressurization pipelines of each dyeing and printing unit are connected to the same power source. The power source pressurizes the corresponding dye tank through the pressurization pipeline, thereby driving the dye in the dye tank to flow to the nozzle through the supply pipeline. A pressure regulating component is provided on the pressurization pipeline, electrically connected to the controller, for regulating the air pressure within the pressurization pipeline. During the dyeing and printing process, as the dye flows through different pipelines, valves, pumps, filters, and other devices into each nozzle, the pressure loss varies, leading to inconsistent dye flow rates into each nozzle. This results in different amounts of dye sprayed from each nozzle at the same time, causing uneven dyeing of the fabric and different amounts of dye sprayed on different parts of the fabric. This invention features dye tanks and pressurized pipelines in each dyeing unit, with a pressure regulating component on the pipelines. This component controls the gas pressure within the pipelines, thereby controlling the gas pressure entering the dye tanks. Different dyeing units can adjust the pressure through this component, compensating for pressure losses as the dye passes through different units. This ensures consistent dye flow from the nozzles in each unit, guaranteeing uniform dyeing and reducing costs. By connecting all pressurized pipelines to a single power source, the dyeing machine can power all units with a single source, eliminating the need for separate dye extraction devices in each unit. This simplifies the machine's structure and reduces costs.

[0025] The technical solutions of the present utility model will be explained and described below with reference to the accompanying drawings. However, the following embodiments are only preferred embodiments of the present utility model and not all of them. Other embodiments obtained by those skilled in the art based on the embodiments in the implementation methods without creative effort are all within the protection scope of the present utility model.

[0026] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0027] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more, unless otherwise expressly defined.

[0028] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0029] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0030] Example 1:

[0031] A type of printing and dyeing machine, such as Figures 1 to 2 As shown, it includes a controller 100, a power source 200, and a dyeing and printing unit 300. Figure 1(Within the dashed box) Multiple dyeing and printing units 300 (two or more) are provided. Each dyeing and printing unit 300 includes a nozzle 310, a liquid supply line 320, and a pressurization line 330. The nozzles 310 of the multiple dyeing and printing units 300 are arranged side by side. The nozzles 310 are used to spray dye. One end of the liquid supply line 320 is equipped with a dye tank 321, and the other end is connected to the nozzle 310. The dye tank 321 is used to store dye, and the dye tank 321 supplies dye to the nozzles 310 through the liquid supply line 320. The pressurization line 330 is connected to the dye tank 321. The pressurization lines 330 of each printing and dyeing unit 300 are connected to the same power source 200, so that the same power source 200 can simultaneously pressurize the corresponding dye tank 321 through each pressurization line 330 to drive the dye in each dye tank 321 to flow to the nozzle 310. A pressure regulating component 331 is provided on the pressurization line 330. The pressure regulating component 331 is electrically connected to the controller 100 to regulate the air pressure in the pressurization line 330.

[0032] During the dyeing process, dye flows through different pipes, valves, pumps, filters, and other devices into various nozzles. The varying pressure losses result in inconsistent dye flow rates into each nozzle 310, leading to different amounts of dye sprayed from each nozzle simultaneously. This results in uneven dyeing of the fabric at different locations. This invention addresses this issue by installing a dye tank 321 and a pressurized pipeline 330 in each dyeing unit 300. A pressure regulating component 331 is installed on the pressurized pipeline 330 to control the gas pressure, thereby controlling the gas pressure entering the dye tank 321. Different dyeing units 300 can adjust the gas pressure in their respective pressurized pipelines 330 through the pressure regulating component 331 to compensate for the different pressure losses experienced by the dye as it passes through each unit. This ensures consistent dye flow rates from the nozzles 310 in each dyeing unit 300, guaranteeing uniform dyeing of the fabric and reducing dyeing costs. By connecting all the pressurized pipelines 330 to the same power source 200, the printing and dyeing machine can achieve the pressure drive of each printing and dyeing unit 300 through a single power source 200. There is no need to set up a separate device for extracting dye in each printing and dyeing unit 300, which simplifies the structure of the printing and dyeing machine and reduces its cost.

[0033] In this embodiment, the pressure regulating component 331 includes a barometer 3311 and a pressure regulating valve 3312. The barometer 3311 feeds back the detected air pressure value to the controller 100. The controller 100 controls the pressure regulating valve 3312 according to the air pressure value to regulate the pressure of each pressurized pipeline 330. The structure is simple and reliable. By placing the pressure regulating valve 3312 upstream of the barometer 3311, the barometer 3311 can quickly detect the air pressure value after the pressure regulating valve 3312 is adjusted, which facilitates the controller 100 to quickly adjust the pressure regulating valve 3312.

[0034] In this embodiment, a pressure valve 332 is also provided on the pressure pipeline 330 for opening and closing the pressure pipeline 330. The pressure valve 332 is located upstream of the pressure regulating component 331. By providing a pressure valve 332 on each pressure pipeline 330 to open or close the pressure pipeline 330, when the power source 200 shared by all printing and dyeing units 300 is working, the pressure valve 332 on each pressure pipeline 330 can control whether the nozzle 310 sprays dye by opening and closing the pressure pipeline 330. When the width of the fabric to be printed and dyed is narrow, only the nozzles 310 of a few printing and dyeing units 300 opposite to the fabric are controlled to spray dye, avoiding dye waste and preventing leakage from nozzles 310 that do not need to be sprayed.

[0035] In this embodiment, a flow detection device 322 is provided on the liquid supply pipeline 320. The flow detection device 322 is located at the nozzle 310 and electrically connected to the controller 100. During the process of the power source 200 pushing the dye from the dye tank 321 to the nozzle 310 for spraying, the flow detection device 322 can detect the flow rate of the nozzle 310 and feed it back to the controller 100. The controller 100 then controls the pressure regulating component 331 to precisely control the flow rate of the nozzles 310 of each printing and dyeing unit 300 to the same value, so that the amount of dye liquid sprayed onto the fabric by each nozzle 310 per unit time is the same, thereby making the printing and dyeing of each position on the fabric more uniform. Preferably, the flow detection device 322 is a flow meter. Using a smaller flow meter as the flow detection device 322 greatly reduces the space occupied by the flow detection device 322. At the same time, it has high measurement accuracy and good monitoring effect on the flow rate at the nozzle 310.

[0036] The dyeing and printing unit 300 in this embodiment also includes a waste liquid pipeline 340 and a waste liquid valve 341. The waste liquid valve 341 is located on the waste liquid pipeline 340 and is used to open and close the waste liquid pipeline 340. The inlet end of the waste liquid pipeline 340 is connected to the nozzle 310. When the dyeing and printing machine is performing dyeing and printing work, the waste liquid valve 341 is closed to prevent dye from leaking from the waste liquid pipeline 340. When the nozzle 310 is blocked or when water or other cleaning liquid is injected into the dye tank 321 to clean the nozzle 310, the waste liquid valve 341 is opened, which allows the accumulated dye or cleaning liquid and other waste liquid at the nozzle 310 to flow out quickly from the nozzle 310 through the waste liquid pipeline 340, avoiding excessive pressure at the nozzle 310 and preventing damage, thus improving cleaning efficiency.

[0037] To collect the waste liquid, this embodiment also includes a waste liquid tank 400 connected to the outlet end of the waste liquid pipeline 340, so that all the waste liquid flowing out of the waste liquid pipeline 340 is concentrated in the waste liquid tank 400, avoiding pollution caused by the waste liquid. Preferably, in this embodiment, the waste liquid tank 400 is provided, and the waste liquid pipelines 340 of multiple dyeing and printing units 300 are connected to the same waste liquid tank 400, reducing the number of waste liquid tanks 400, simplifying the internal structure of the dyeing and printing machine, and reducing the difficulty of production and processing. Of course, it is understood that in other embodiments, the same number of waste liquid tanks as the number of dyeing and printing units can be provided, with waste liquid pipelines connected one-to-one with the waste liquid tanks, so that the waste liquid in the waste liquid pipelines of each dyeing and printing unit is discharged into different waste liquid tanks.

[0038] A hydraulic gauge 342 is also installed on the waste liquid pipeline 340. The hydraulic gauge 342 is located at the inlet end of the waste liquid pipeline 340 and is located upstream of the waste liquid valve 341. The hydraulic gauge 342 is electrically connected to the controller 100. When the printing and dyeing machine is working to print and dye the fabric, the nozzle 310 is connected to the waste liquid pipeline 340 upstream of the waste liquid valve 341, so that the hydraulic gauge 342 can detect the pressure at the nozzle 310 and transmit it to the controller 100. When the pressure of each nozzle 310 is different, the hydraulic gauge 342 can quickly feed back the detected pressure to the controller 100, and the controller 100 controls the pressure regulating component 331 to regulate the pressure. At the same time, the staff can also monitor whether the nozzle 310 is blocked by knowing the pressure at the nozzle 310 in real time, so as to clean or replace the nozzle 310.

[0039] In this embodiment, a filter device 323 is also provided on the liquid supply pipeline 320. The filter device 323 is located between the dye tank 321 and the flow detection device 322 to filter the dye that is about to enter the flow detection device 322 and the nozzle 310, so as to prevent large particles in the dye from entering the flow detection device 322 and the nozzle 310 and causing wear or blockage of them, thereby extending the service life of the flow detection device 322 and the nozzle 310.

[0040] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A dyeing and printing machine, comprising a controller, a power source, and multiple dyeing and printing units, wherein each dyeing and printing unit includes a nozzle for spraying dye, and the nozzles of the multiple dyeing and printing units are arranged side by side, characterized in that: The dyeing and printing unit also includes a liquid supply pipeline connected to a dye cylinder and a spray nozzle, as well as a pressurization pipeline connected to the dye cylinder. The pressurization pipelines of each dyeing and printing unit are connected to the same power source. The power source pressurizes the corresponding dye cylinder through the pressurization pipeline to drive the dye in the dye cylinder to flow to the spray nozzle through the liquid supply pipeline. The pressurization pipeline is equipped with a pressure regulating component, which is electrically connected to a controller to regulate the air pressure in the pressurization pipeline.

2. The printing and dyeing machine according to claim 1, characterized in that: The pressure regulating assembly includes a barometer and a pressure regulating valve located upstream of the barometer. The controller controls the pressure regulating valve based on the air pressure detected by the barometer.

3. A printing and dyeing machine according to claim 2, characterized in that: The pressurization pipeline is also equipped with a pressurization valve for opening and closing the pressurization pipeline, and the pressurization valve is located upstream of the pressure regulating component.

4. A printing and dyeing machine according to claim 1, characterized in that: The liquid supply pipeline is equipped with a flow detection device, which is electrically connected to the controller. The controller adjusts the air pressure in the pressurization pipeline according to the nozzle flow detected by the flow detection device through the pressure regulating component.

5. A printing and dyeing machine according to claim 4, characterized in that: The flow detection device is a flow meter.

6. A printing and dyeing machine according to claim 1, characterized in that: The dyeing and printing unit also includes a waste liquid pipeline and a waste liquid valve for opening and closing the waste liquid pipeline. The waste liquid pipeline is connected to the nozzle for discharging waste liquid from the nozzle.

7. A printing and dyeing machine according to claim 6, characterized in that: The dyeing and printing machine also includes a waste liquid cylinder, which is connected to the outlet end of the waste liquid pipeline.

8. A printing and dyeing machine according to claim 7, characterized in that: The waste liquid pipelines of multiple dyeing and printing units are connected to the same waste liquid cylinder; or, multiple waste liquid cylinders are provided, and the waste liquid pipelines of multiple dyeing and printing units are connected to multiple waste liquid cylinders in a one-to-one correspondence.

9. A printing and dyeing machine according to claim 6, characterized in that: The waste liquid pipeline is also equipped with a hydraulic gauge located upstream of the waste liquid valve. The hydraulic gauge is electrically connected to the controller to detect the pressure at the nozzle.

10. A printing and dyeing machine according to claim 1, characterized in that: The liquid supply pipeline is also equipped with a filter device for filtering dyes, which is located between the dye tank and the nozzle.

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