CN213831020U

CN213831020U - Digital printing centralized ink supply device

Info

Publication number: CN213831020U
Application number: CN202022902600.0U
Authority: CN
Inventors: 李健和
Original assignee: Foshan Ruile Baide Automation Equipment Co ltd
Current assignee: Foshan Ruile Baide Automation Equipment Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-07-30
Anticipated expiration: 2030-12-07

Abstract

The utility model discloses an ink feed mechanism is concentrated in digital printing for supply ink to digital printer, include: the ink barrel device is connected with an ink box of the digital printer through an ink supply pipeline, and the control device is used for controlling the opening and closing of the ink supply pipeline; the digital printer ink cartridge device is characterized by comprising an ink cartridge, a plurality of ink outlets arranged on the ink cartridge, a heating device connected with a control device, a temperature detector connected with the control device and a stirring device connected with the control device, wherein the plurality of ink outlets are correspondingly connected with a plurality of ink cartridges of the digital printer one by one through ink supply pipelines, an upper liquid level probe and a lower liquid level probe which are respectively connected with the control device are arranged in each ink cartridge, and the control device controls the opening and closing of the corresponding ink supply pipelines according to signals fed back by the upper liquid level probe and the lower liquid level probe.

Description

Digital printing centralized ink supply device

Technical Field

The utility model relates to a digital printing technical field especially relates to a digital printing concentrates ink feed mechanism.

Background

The digital printer can directly print a high-fidelity color image on the surface of an object, and the object is not damaged because of non-contact property. Since printing and dyeing are performed by the ink jet method, deformation due to heat and pressure does not occur. Because the printing mode is a direct output printing mode by using a computer, the picture is printed on the object without any preparation work in the early stage. The ink box of the existing digital printer is provided with a lowest liquid level scale mark, and when ink reaches the scale mark, manual ink adding is needed, but the newly added ink and the originally stored ink of the ink box have temperature difference, so that printed patterns have chromatic aberration.

Disclosure of Invention

To the problem that exists among the prior art, the utility model aims to provide an ink feed mechanism is concentrated in digital printing who facilitates the use and reduce the colour difference.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a digital printing centralized ink supply device is used for supplying ink to a digital printer, and comprises: the ink barrel device is connected with an ink box of the digital printer through an ink supply pipeline, and the control device is used for controlling the opening and closing of the ink supply pipeline; the digital printer ink cartridge device is characterized by comprising an ink cartridge, a plurality of ink outlets arranged on the ink cartridge, a heating device connected with a control device, a temperature detector connected with the control device and a stirring device connected with the control device, wherein the plurality of ink outlets are correspondingly connected with a plurality of ink cartridges of the digital printer one by one through ink supply pipelines, an upper liquid level probe and a lower liquid level probe which are respectively connected with the control device are arranged in each ink cartridge, and the control device controls the opening and closing of the corresponding ink supply pipelines according to signals fed back by the upper liquid level probe and the lower liquid level probe.

As a further explanation of the above solution, the ink supply pipeline includes an ink supply pipe connecting the ink outlet of the ink barrel and the ink cartridge, and an electromagnetic valve and an ink supply pump provided on the ink supply pipe and respectively connected to the control device.

As a further explanation of the scheme, a liquid level sensor connected with the control device is arranged in the ink barrel and close to the bottom of the ink barrel, and the control device is connected with an audible and visual alarm device.

As a further explanation of the above scheme, the stirring device includes a motor disposed at the top of the ink barrel, and a stirring shaft drivingly connected to the motor, one end of the stirring shaft extends into the ink barrel, and the end of the stirring shaft is located near the bottom of the ink barrel, and the stirring shaft is provided with a plurality of stirring blades.

As a further explanation of the above scheme, the stirring blades are oblique paddle type stirring blades, two stirring blades are arranged along the same circumferential direction of the stirring shaft, and the two stirring blades are reversely turned by 45 ° or 60 °.

As a further explanation of the above scheme, the ink tank is a jacket type ink tank, which includes an inner tank wall and an outer tank wall that are arranged at intervals, and the heating device is an electric heating element arranged between the inner tank wall and the outer tank wall.

As a further explanation of the above scheme, an air port communicating with atmospheric pressure is provided on the ink tank, and a second electromagnetic valve connected to the control device is provided on the air port.

As a further explanation of the above scheme, a filter screen is disposed on the ink outlet, and the filter screen is disposed inside the ink outlet.

The utility model has the advantages that:

the ink barrel device is connected with ink boxes of a plurality of digital printers, ink is supplied in a centralized manner, a plurality of machines are linked, the problem that the ink capacity is limited by the space of the ink boxes is solved by adopting the centralized ink supply device, the ink can be suitable for the condition of large ink consumption, the ink quantity in the ink boxes is monitored in real time by the control device, the supply of ink is guaranteed, meanwhile, the overflow of ink with too high liquid level is avoided, manual addition is not needed, continuous ink supply can be realized, the printing efficiency is improved, and manpower is saved; the temperature of the ink added into the ink box is basically consistent with the temperature of the ink originally stored in the ink box, and the printing chromatic aberration is reduced; meanwhile, the stirring device is arranged to avoid the influence on printing quality caused by the reduction of ink quality due to the layering phenomenon caused by ink standing, and the ink in the ink barrel is heated uniformly and has consistent temperature.

And secondly, arranging a liquid level sensor and an audible and visual alarm device to remind a user of adding ink into the ink barrel when the ink in the ink barrel reaches a set lowest position.

And thirdly, a filter screen is arranged at the ink outlet, so that the ink gel generated in the ink barrel is prevented from entering an ink box of the digital printer to influence the printing quality.

Drawings

Fig. 1 shows a schematic structural diagram of the digital printing centralized ink supply device provided by the present invention.

Fig. 2 is a cross-sectional view of the digital printing centralized ink supply device provided by the present invention.

Description of reference numerals:

1: ink tank, 2: ink outlet, 3: motor, 4: gas port, 5: ink inlet, 6: second electromagnetic valve, 7: stirring shaft, 8: stirring blade, 9: an electric heating element.

Detailed Description

In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "at least" means one or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.

The following description will be further made in conjunction with the accompanying drawings of the specification, so that the technical solution and the advantages of the present invention are clearer and clearer. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.

As shown in fig. 1 and fig. 2, a centralized ink supply device for digital printing is used for supplying ink to a digital printer, and comprises: the ink barrel device is connected with an ink box of the digital printer through an ink supply pipeline, and the control device is used for controlling the opening and closing of the ink supply pipeline; the digital printer ink cartridge device is characterized by comprising an ink cartridge 1, a plurality of ink outlets 2 arranged on the ink cartridge 1, a heating device, a temperature detection device connected with the heating device and a stirring device, wherein the ink outlets are connected with a plurality of ink cartridges of the digital printer in a one-to-one correspondence manner through a plurality of ink supply pipelines, an upper liquid level probe and a lower liquid level probe which are respectively connected with a control device are arranged in the ink cartridges, and the control device controls the opening and closing of the ink supply pipelines according to signals fed back by the upper liquid level probe and the lower liquid level probe. When the ink in the ink box of the digital printer descends to a set lowest position, the lower liquid level probe feeds back a signal to the control device, the control device drives the ink supply pipeline corresponding to the ink box to open to convey the ink to the ink box, when the ink rises to a set high position, the upper liquid level probe feeds back a signal to the control device, and the control device drives the ink supply pipeline corresponding to the ink box to close to stop conveying the ink to the ink covering box; when the temperature of the ink in the ink barrel is lower than a certain temperature lower limit, the control device controls the heating device to heat through a program, so that the temperature of the ink is stabilized in a certain range, the temperature of the supplied ink is basically consistent with the temperature of the ink originally stored in the ink box, and the color difference caused by printing is avoided.

The ink supply pipeline comprises an ink supply pipe for connecting the ink barrel 1 and the ink box, an electromagnetic valve arranged on the ink supply pipe and connected with the control device, and an ink supply pump. Preferably, the ink supply pump is a peristaltic pump.

A liquid level sensor is arranged at the position, close to the bottom, of the ink barrel 1, and the liquid level sensor is connected with a sound-light alarm device. When the ink in the ink barrel descends to the set lowest position, the liquid level sensor acts to feed back a signal to the control device, and the control device sends a driving signal to drive the audible and visual alarm device to start up so as to remind a user of adding the ink into the ink barrel. In other embodiments, an ink liquid level observation window can be vertically arranged on the ink barrel, so that the ink liquid level can be observed conveniently, and ink can be added in time; or an automatic ink adding device is adopted to add ink.

The ink barrel 1 is provided with an air port 4 communicated with the atmospheric pressure, and the air port is provided with a second electromagnetic valve 6 connected with the control device. The control device controls the second electromagnetic valve to be opened under the condition that any ink supply pipeline is opened, and the air port is arranged to ensure the smoothness of the ink supply pipeline and prevent ink from being difficult to flow due to negative pressure.

Preferably, the stirring device comprises a motor 6 and a stirring shaft 7 in driving connection with the motor 6, one end of the stirring shaft 7 penetrates through the ink barrel 1, the tail end of the stirring shaft is located at a position close to the bottom of the ink barrel, and stirring blades 8 are arranged on the outer wall of the stirring shaft 1. In this embodiment, the stirring blade 8 is a slant paddle type stirring blade, two stirring blades are arranged along the same circumferential direction of the stirring shaft, and the two stirring blades are reversely turned by 45 ° or 60 °. The stirring blades are uniformly arranged along the axial direction of the stirring shaft. The stirring device is used for stirring the ink in the ink barrel, so that the ink quality is prevented from being reduced due to the layering phenomenon caused by the standing of the ink, and the printing quality is prevented from being influenced; meanwhile, the ink in the ink barrel is heated uniformly to reach the consistent temperature through stirring.

The ink barrel 1 is a jacket type ink barrel and comprises an inner barrel wall and an outer barrel wall which are arranged at intervals, and the heating device is an electric heating part 9 arranged between the inner barrel wall and the outer barrel wall. The jacket type ink barrel has good heat preservation effect, less heat loss, reduced heat exchange with the external environment and improved temperature control precision.

Further preferably, a filter screen is arranged on the ink outlet 2, and the filter screen is arranged on the inner side of the ink outlet. The ink gel generated in the ink barrel is prevented from entering an ink box of the digital printer to influence the printing quality. The filter screen is a metal filter screen. In this embodiment, the ink outlet is an ink outlet, and an interface connected to the ink supply tube is disposed on the ink outlet.

The ink barrel is characterized in that an ink inlet is formed in the top of the ink barrel, the ink inlet protrudes out of the top of the ink barrel, and a cover is arranged on the ink inlet. The cover is in threaded connection or clamping connection with the ink inlet.

The color digital printer has at least one color ink box and several ink barrel units. A set of concentrated ink supply paths consisting of a single main ink barrel and a plurality of ink supply pipelines supplies ink to a plurality of ink boxes with the same color printed by the digital codes, namely, a plurality of concentrated ink supply paths can be arranged to supply ink to the ink boxes with different colors simultaneously in parallel.

It will be understood by those skilled in the art from the foregoing description of the structure and principles that the present invention is not limited to the specific embodiments described above, and that modifications and substitutions based on the known art are intended to fall within the scope of the invention, which is defined by the claims and their equivalents. The details not described in the detailed description are prior art or common general knowledge.

Claims

1. A digital printing centralized ink supply device is used for supplying ink to a digital printer, and comprises: the ink barrel device is connected with an ink box of the digital printer through an ink supply pipeline, and the control device is used for controlling the opening and closing of the ink supply pipeline; the digital printer ink cartridge device is characterized by comprising an ink cartridge, a plurality of ink outlets arranged on the ink cartridge, a heating device connected with a control device, a temperature detector connected with the control device and a stirring device connected with the control device, wherein the plurality of ink outlets are correspondingly connected with a plurality of ink cartridges of the digital printer one by one through ink supply pipelines, an upper liquid level probe and a lower liquid level probe which are respectively connected with the control device are arranged in each ink cartridge, and the control device controls the opening and closing of the corresponding ink supply pipelines according to signals fed back by the upper liquid level probe and the lower liquid level probe.

2. The digital printing centralized ink supply device according to claim 1, wherein the ink supply pipeline comprises an ink supply pipe connecting the ink outlet of the ink barrel and the ink box, and an electromagnetic valve and an ink supply pump which are respectively connected with the control device and arranged on the ink supply pipe.

3. The digital printing centralized ink supply device according to claim 1, wherein a liquid level sensor connected with the control device is arranged in the ink barrel near the bottom of the ink barrel, and the control device is connected with an audible and visual alarm device.

4. The digital printing centralized ink supply device according to claim 1, wherein the stirring device comprises a motor disposed at the top of the ink barrel, and a stirring shaft drivingly connected to the motor, one end of the stirring shaft extends into the ink barrel, and the tail end of the stirring shaft is located near the bottom of the ink barrel, and a plurality of stirring blades are disposed on the stirring shaft.

5. The concentrated ink supply device for digital printing according to claim 4, wherein said stirring blades are oblique paddle type stirring blades, two stirring blades are arranged along the same circumferential direction of said stirring shaft, and two stirring blades are oppositely turned by 45 ° or 60 °.

6. The digital printing centralized ink supply device according to claim 1, wherein the ink barrel is a jacketed ink barrel comprising an inner barrel wall and an outer barrel wall arranged at intervals, and the heating device is an electric heating element arranged between the inner barrel wall and the outer barrel wall.

7. The digital printing centralized ink supply device according to claim 1, wherein an air port communicated with atmospheric pressure is provided on the ink barrel, and a second electromagnetic valve connected with the control device is provided on the air port.

8. The digital printing centralized ink supply device according to claim 1, wherein a filter screen is arranged on the ink outlet, and the filter screen is arranged inside the ink outlet.