Automatic ink adding device capable of controlling ink liquid level height

Abstract

The utility model relates to an automatic ink adding device capable of controlling the height of the liquid level of ink, which is used for adding ink to an ink fountain and comprises an ink storage cavity for storing the ink, and an ink conveying pipeline and a pressure supply pipeline which are respectively communicated with the ink storage cavity from one end part, the other end of the ink conveying pipeline is inserted into the ink fountain and located below the liquid level of ink in the ink fountain. The other end of the pressure supply pipeline communicates with air pressure or hydraulic pressure. Based on the change of the height of the ink level in the ink fountain, through the cooperation of the ink conveying pipeline and the pressure supply pipeline, automatic ink adding is achieved, the height of the ink level in the ink fountain is accurately controlled, and therefore it is guaranteed that the ink amount in the ink fountain always meets the printing requirement, the printing quality is guaranteed, in addition, the structure is simple, operation is convenient, and the ink adding efficiency is high. And the labor intensity is greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to printing technical field, concretely relates to an automatic ink adding device capable of controlling ink liquid level height. BACKGROUND

[0002] In the printing machine equipment, generally need to set up ink tank to store ink, to pass through the anilox roll to the printing plate in the printing process, therefore, ensure the stability of ink level in ink tank, it is the key to guarantee the printing quality.

[0003] However, in the actual production process, the existing ink tank ink is generally completed by artificial, that is to say by staff monitoring the ink in the ink tank, and according to the remaining amount of ink, but the above-mentioned mode is easy to cause the probability of missing or insufficient ink due to human error, resulting in the reduction of printing quality, and the ink adding efficiency is low, can not satisfy the production requirement of high speed printing. SUMMARY

[0004] The utility model wants to solve the technical problem of overcoming the prior art, provide an improved automatic ink adding device capable of controlling ink liquid level height.

[0005] To solve the above technical problem, the utility model adopts the following technical scheme:

[0006] An automatic ink adding device capable of controlling ink liquid level height is used to add ink to the ink tank, the ink adding device includes an ink storage cavity for storing ink, an ink transmission pipeline and a pressure supply pipeline respectively communicating with the ink storage cavity from one end, wherein the other end of the ink transmission pipeline is inserted into the ink tank and located below the ink liquid level in the ink tank; the other end of the pressure supply pipeline communicates with the air pressure or hydraulic pressure, wherein the pressure of the other end of the pressure supply pipeline is greater than the pressure of the other end of the ink transmission pipeline to form a first state, and the pressure of the other end of the pressure supply pipeline is equal to the pressure of the other end of the ink transmission pipeline to form a second state, the design height of the ink liquid level is defined as h, as the ink liquid level height changes between less than h and equal to h, the pressure supply pipeline is switched between the first state and the second state, and the ink in the ink storage cavity is input into the ink tank or stopped.

[0007] Preferably, the ink storage cavity is arranged directly above the ink tank, and the ink transmission pipeline extends downward from the bottom of the ink storage cavity and is inserted into the ink tank. Here, the ink can be quickly output downward to improve the ink adding efficiency.

[0008] Preferably, the inner diameter of the ink storage cavity is gradually reduced from top to bottom. Here, the ink at the bottom of the ink storage cavity can be automatically gathered and quickly output.

[0009] Specifically, the ink storage cavity comprises a first cavity in a cylindrical shape and a second cavity in a hemispherical shape integrally formed at the bottom of the first cavity.

[0010] Preferably, the other end of the pressure supply pipeline extends into the ink tank and is located above the other end of the ink transmission pipeline, when the ink liquid level in the ink tank is located between the corresponding ends of the pressure supply pipeline and the ink transmission pipeline, the pressure supply pipeline is in the first state, the atmospheric pressure drives the ink to flow from the ink transmission pipeline into the ink tank through the pressure supply pipeline; when the ink liquid level in the ink tank is flush with the end of the pressure supply pipeline, the pressure supply pipeline is in the second state, and the ink stops flowing into the ink tank. Here, the pressure at the end of the pressure supply pipeline is automatically greater than or balanced with the pressure at the end of the ink transmission pipeline by changing the pressure between the gas pressure and the ink pressure at the end of the pressure supply pipeline, without additional gas pressure or hydraulic equipment, simple structure, easy to implement, and can save installation space; in addition, the height of the pressure supply pipeline extending into the ink tank is the design height of the ink liquid level, so the amount of ink in the ink tank can be easily adjusted by adjusting the height of the pressure supply pipeline extending into the ink tank, and the needs of different printing processes can be flexibly met.

[0011] Further, when the ink liquid level in the ink tank is below the other end of the ink transmission pipeline, the ink flows into the ink tank through the ink transmission pipeline and the pressure supply pipeline. Here, when the ink is initially added to the ink tank, the ink is added through the ink transmission pipeline and the pressure supply pipeline, and the efficiency of adding ink is high.

[0012] Preferably, the diameters of the ink transmission pipeline and the pressure supply pipeline are equal.

[0013] Specifically, the diameters of the ink transmission pipeline and the pressure supply pipeline are 4-10mm.

[0014] Preferably, the ink transmission pipeline and the pressure supply pipeline are respectively provided with a switch valve; and / or, the ink storage cavity is made of transparent material. Here, it is convenient to check the remaining amount of ink in the ink storage cavity.

[0015] In addition, the ink adding device further comprises a fixed support, the fixed support comprises a vertical support and a horizontal support movably connected to the vertical support, wherein the horizontal support is fixedly connected to the ink storage cavity. Here, the ink adding demand of ink tanks with different heights is met.

[0016] Due to the implementation of the above technical solutions, the present application has the following advantages compared with the prior art:

[0017] The existing ink tank ink adding is generally completed by manual, that is, the staff monitors the ink remaining in the ink tank, and replenishes the ink according to the remaining amount, but the above-mentioned mode is prone to cause the probability of missing or insufficient ink adding due to human negligence, thereby reducing the printing quality, and the ink adding efficiency is low, and the production requirement of high-speed printing cannot be met. The structure of the automatic ink adding device capable of controlling the ink liquid level is designed as a whole, and the deficiencies and defects of the prior art are ingeniously solved. After the automatic ink adding device is adopted, the ink transmission pipeline and the pressure supply pipeline are connected with the ink storage cavity at one end, and the other end of the ink transmission pipeline is inserted below the ink liquid surface in the ink tank. The other end of the pressure supply pipeline is connected with the air pressure or hydraulic pressure, when the ink liquid surface in the ink tank is lower than the design height, the pressure supply pipeline is switched to the first state, that is, the air pressure or hydraulic pressure of the other end of the pressure supply pipeline is greater than the pressure of the other end of the ink transmission pipeline, at this time, under the pressure difference, the ink in the ink storage cavity is continuously input into the ink tank through the ink transmission pipeline; when the ink liquid surface in the ink tank is equal to the design height, the pressure supply pipeline is switched to the second state, that is, the air pressure or hydraulic pressure of the other end of the pressure supply pipeline is equal to the pressure of the other end of the ink transmission pipeline, at this time, under the pressure balance, the ink in the ink storage cavity stops inputting into the ink tank, thereby realizing automatic ink adding and controlling the ink liquid level in the ink tank. Therefore, compared with the prior art, based on the change of the ink liquid level in the ink tank, through the cooperation of the ink transmission pipeline and the pressure supply pipeline, automatic ink adding and precise control of the height of the ink liquid surface in the ink tank are realized, so that the amount of ink in the ink tank always meets the printing requirement, and the printing quality is guaranteed. In addition, the structure is simple, the operation is convenient, the ink adding efficiency is high, and the labor intensity is greatly reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is a front view schematic diagram of the automatic ink adding device capable of controlling the ink liquid level of the embodiment (the pressure supply pipeline is in the first state);

[0019] Fig. 2 It is a front view schematic diagram of the automatic ink adding device capable of controlling the ink liquid level of the embodiment (the pressure supply pipeline is in the second state);

[0020] Fig. 3 It is a front view schematic diagram of the automatic ink adding device capable of controlling the ink liquid level of the embodiment (the pressure supply pipeline is in the third state);

[0021] Wherein: 1, ink storage cavity; 11, first cavity; 12, second cavity;

[0022] 2, ink transmission pipeline;

[0023] 3, pressure supply pipeline; f, switch valve;

[0024] 4, fixing support; 40, vertical frame; 41, horizontal frame;

[0025] C, ink groove. DETAILED DESCRIPTION

[0026] In order to make the above objectives, features and advantages of the present application more apparent, the present application will be described in detail below with reference to the accompanying drawings and specific embodiments. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in a number of different ways beyond the specific embodiments described herein and by persons skilled in the art without departing from the spirit and scope of the present application, and therefore the present application is not limited to the following disclosed embodiments.

[0027] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0028] In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features referred to. Therefore, the features defined with "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0029] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0030] In the present application, unless specifically stated and limited otherwise, a first feature "on" or "under" a second feature can be directly contacting the first and second features, or indirectly contacting the first and second features through an intermediate medium. Also, the first feature "over", "above" and "on top of" the second feature can be directly above or diagonally above the second feature, or simply means that the first feature is horizontally higher than the second feature. The first feature "under", "below" and "underneath" the second feature can be directly below or diagonally below the second feature, or simply means that the first feature is horizontally lower than the second feature.

[0031] It should be noted that when an element is referred to as being "fixed" or "set" on another element, it can be directly on the other element or there can be an intermediate element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be an intermediate element. The terms "vertical", "horizontal", "up", "down", "left", "right", and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation.

[0032] In combination Figs. 1 to 3 As shown, the automatic ink adding device capable of controlling the ink liquid level of the present embodiment is used to add ink into the ink tank C, and includes an ink storage cavity 1 for storing ink, an ink transmission pipeline 2 and a pressure supply pipeline 3 respectively communicating with the ink storage cavity 1 from one end.

[0033] Specifically, the ink storage cavity 1 is arranged directly above the ink tank C, and the inner diameter of the ink storage cavity 1 gradually decreases from top to bottom, and the ink storage cavity 1 includes a first cavity 11 in the shape of a cylinder and a second cavity 12 integrally formed at the bottom of the first cavity 11, wherein the second cavity 12 is in the shape of a hemisphere. Here, the ink at the bottom of the ink storage cavity can be automatically gathered and quickly output, ensuring that the ink can be quickly output downward to improve the efficiency of ink adding.

[0034] At the same time, the ink storage cavity 1 is made of transparent material. Here, it is convenient to check the remaining amount of ink in the ink storage cavity.

[0035] In this example, the other end of the ink transmission pipeline 2 is inserted into the ink tank C and located below the ink liquid level in the ink tank C; the other end of the pressure supply pipeline 3 communicates with the air pressure or hydraulic pressure, wherein the pressure at the other end of the pressure supply pipeline 3 is greater than the pressure at the other end of the ink transmission pipeline 2 to constitute a first state, and the pressure at the other end of the pressure supply pipeline 3 is equal to the pressure at the other end of the ink transmission pipeline 2 to constitute a second state, and the designed height of the ink liquid level is defined as h, and as the ink liquid level changes between less than h and equal to h, the pressure supply pipeline 3 is switched between the first state and the second state synchronously, and the ink in the ink storage cavity 1 is input into the ink tank C or stopped through the ink transmission pipeline 2.

[0036] In some embodiments, the ink transmission pipeline 2 and the pressure supply pipeline 3 respectively extend downward from the bottom of the ink storage cavity 1 and are inserted into the ink tank C, wherein the other end of the pressure supply pipeline 3 extends into the ink tank C and is located above the other end of the ink transmission pipeline 2, the pipe diameters of the ink transmission pipeline 2 and the pressure supply pipeline 3 are equal, the pipe diameters of the ink transmission pipeline 2 and the pressure supply pipeline 3 are 4-10 mm, and in this embodiment, the preferred pipe diameter is 10 mm, and the ink transmission pipeline 2 and the pressure supply pipeline 3 are respectively provided with a switch valve f; when the ink liquid level in the ink tank C is located between the corresponding ends of the pressure supply pipeline 3 and the ink transmission pipeline 2, the pressure supply pipeline 3 is in a first state, the external atmospheric pressure passes through the pressure supply pipeline 3 and drives the ink to be input from the ink transmission pipeline 2 into the ink tank C, when the ink liquid level in the ink tank C is flush with the end of the pressure supply pipeline 3, the pressure supply pipeline 3 is in a second state, the corresponding ends of the ink transmission pipeline 2 and the pressure supply pipeline 3 are balanced, and the pressure is the hydraulic pressure formed by the ink, and the ink stops being input into the ink tank C. Here, by using the change between the gas pressure and the ink hydraulic pressure at the end of the pressure supply pipeline, the end pressure of the pressure supply pipeline is automatically greater than the end pressure of the ink transmission pipeline or is balanced, without the need for additional gas pressure or hydraulic pressure equipment, the structure is simple, the implementation is convenient, and the installation space can be saved; in addition, the height of the pressure supply pipeline extending into the ink tank is the design height of the ink liquid level, so the amount of ink in the ink tank can be easily adjusted by adjusting the height of the pressure supply pipeline extending into the ink tank, and the needs of different printing processes can be flexibly met.

[0037] At the same time, when the ink liquid level in the ink tank C is below the other end of the ink transmission pipeline 2, the pressure supply pipeline 3 is in a third state, and the ink can be simultaneously input downward into the ink tank C through the ink transmission pipeline 2 and the pressure supply pipeline 3. Here, when the ink is initially added to the ink tank, the ink is simultaneously input through the ink transmission pipeline and the pressure supply pipeline, and the ink adding efficiency is high.

[0038] In addition, the ink adding device further comprises a fixed support 4, the fixed support 4 comprises a vertical support 40 and a horizontal support 41 movably connected to the vertical support 40, wherein the horizontal support 41 is fixedly connected to the ink storage cavity 1. Here, the ink adding needs of ink tanks of different heights are met.

[0039] In summary, after adopting the automatic ink adding device, the ink transmission pipeline and the pressure supply pipeline are connected with the ink storage cavity at one end, and the other end of the ink transmission pipeline is inserted below the ink liquid level in the ink tank, and the other end of the pressure supply pipeline is connected with air pressure or hydraulic pressure, when the ink liquid level in the ink tank is lower than the design height, the pressure supply pipeline is switched to the first state, that is, the air pressure or hydraulic pressure at the other end of the pressure supply pipeline is greater than the pressure at the other end of the ink transmission pipeline, at this time, under the pressure difference, the ink in the ink storage cavity is continuously input into the ink tank through the ink transmission pipeline, when the ink liquid level in the ink tank is equal to the design height, the pressure supply pipeline is switched to the second state, that is, the air pressure or hydraulic pressure at the other end of the pressure supply pipeline is equal to the pressure at the other end of the ink transmission pipeline, at this time, under the pressure balance, the ink in the ink storage cavity stops inputting into the ink tank, thereby realizing automatic ink adding and controlling the height of the ink liquid level in the ink tank. Therefore, compared with the prior art, on the one hand, based on the change of the ink liquid level in the ink tank, through the cooperation of the ink transmission pipeline and the pressure supply pipeline, automatic ink adding and precise control of the height of the ink liquid level in the ink tank are realized, so that the amount of ink in the ink tank always meets the printing demand, and the printing quality is guaranteed, in addition, the structure is simple, the operation is convenient, the ink adding efficiency is high, and the labor intensity is greatly reduced; on the second aspect, the change between air pressure and ink hydraulic pressure at the end of the pressure supply pipeline is utilized to realize that the pressure at the end of the pressure supply pipeline is automatically greater than the pressure at the end of the ink transmission pipeline or is balanced, without additional air pressure or hydraulic pressure equipment, the structure is simple, the implementation is convenient, and the installation space can be saved; in addition, the height of the pressure supply pipeline inserted into the ink tank is the design height of the ink liquid level, therefore, the amount of ink in the ink tank can be easily adjusted by adjusting the height of the pressure supply pipeline inserted into the ink tank, and the demand of different printing processes is flexibly met; on the third aspect, when the ink is initially added to the ink tank, the ink is input synchronously through the ink transmission pipeline and the pressure supply pipeline, and the ink adding efficiency is high; on the fourth aspect, the ink adding demand of ink tanks of different heights can be met.

[0040] The utility model has been described in detail above, the purpose is to enable the person who is familiar with this field technology to understand the content of the utility model and implement, and cannot limit the protection scope of the utility model with this, all equivalent changes or modifications according to the spirit of the utility model should be covered in the protection scope of the utility model.

Claims

1. An automatic ink adding device capable of controlling an ink liquid level for adding ink to an ink tank, characterized by, The ink adding device comprises an ink storage cavity for storing ink, an ink transmission pipeline and a pressure supply pipeline respectively communicating with the ink storage cavity from one end, wherein the other end of the ink transmission pipeline is inserted into the ink tank and located below the ink liquid level in the ink tank; the other end of the pressure supply pipeline communicates with air pressure or hydraulic pressure, wherein the pressure of the other end of the pressure supply pipeline is greater than the pressure of the other end of the ink transmission pipeline to constitute a first state, and the pressure of the other end of the pressure supply pipeline is equal to the pressure of the other end of the ink transmission pipeline to constitute a second state, the ink liquid level design height is defined as h, and as the ink liquid level height changes between less than h and equal to h, the pressure supply pipeline synchronously switches between the first state and the second state, and the ink in the ink storage cavity is input into the ink tank through the ink transmission pipeline or stopped.

2. The automatic ink supply device capable of controlling an ink liquid level height according to claim 1, characterized by, The ink storage cavity is arranged directly above the ink tank, and the ink transmission pipeline extends downward from the bottom of the ink storage cavity and is inserted into the ink tank.

3. The automatic ink supply device capable of controlling an ink liquid level height according to claim 2, characterized by, The inner diameter of the ink storage cavity gradually decreases from top to bottom.

4. The automatic ink supply device capable of controlling an ink liquid level height according to claim 3, characterized by, The ink storage cavity comprises a first cavity in a cylindrical shape and a second cavity integrally formed at the bottom of the first cavity, wherein the second cavity is in a hemispherical shape.

5. The automatic ink adding device capable of controlling an ink liquid level height according to claim 1, characterized in that, The other end of the pressure supply pipeline extends into the ink tank and is located above the other end of the ink transmission pipeline, when the ink liquid level in the ink tank is located between the corresponding ends of the pressure supply pipeline and the ink transmission pipeline, the pressure supply pipeline is in the first state, and the atmospheric pressure outside drives the ink to be input into the ink tank from the ink transmission pipeline; when the ink liquid level in the ink tank is flush with the end of the pressure supply pipeline, the pressure supply pipeline is in the second state, and the ink stops being input into the ink tank.

6. The automatic ink supply device capable of controlling an ink liquid level height according to claim 5, characterized by, When the ink liquid level in the ink tank is below the other end of the ink transmission pipeline, the ink is synchronously input into the ink tank through the ink transmission pipeline and the pressure supply pipeline.

7. The automatic ink adding device capable of controlling the ink liquid level height according to claim 5, characterized in that, The pipe diameters of the ink transmission pipeline and the pressure supply pipeline are equal.

8. The automatic ink adding device capable of controlling the ink liquid level height according to claim 7, characterized in that, The pipe diameters of the ink transmission pipeline and the pressure supply pipeline are 4-10 mm.

9. The automatic ink adding device capable of controlling an ink liquid level height according to claim 1, characterized in that, Switch valves are respectively arranged on the ink transmission pipeline and the pressure supply pipeline; and / or the ink storage cavity is made of transparent material.

10. The automatic ink adding device capable of controlling an ink liquid level height according to claim 1, characterized in that, The ink adding device further comprises a fixing support, and the fixing support comprises a vertical support and a horizontal support movably connected to the vertical support, wherein the horizontal support is fixedly connected to the ink storage cavity.

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