CN210174365U - Ink supply device of gravure printing machine - Google Patents

Abstract

The utility model discloses an ink supply device of an intaglio press, which belongs to the field of ink supply devices, and comprises an ink supply relay box, wherein the right side of the ink supply relay box is provided with an ink tank, the upper side of the ink tank is provided with an intaglio printing roller, the intaglio printing roller passes through an opening at the upper end of the ink tank and extends into the ink tank, a main connecting pipe is connected between the ink tank and the ink supply relay box, two ends of the main connecting pipe respectively penetrate through the side walls of the ink tank and the ink supply relay box, the ink tank and the ink supply relay box are communicated through the main connecting pipe, the main connecting pipe is divided into a front part of the main connecting pipe and a rear part of the main connecting pipe, the front part of the main connecting pipe is fixedly connected with the ink supply relay box, when the ink amount in the ink tank is lower, the ink supply device can automatically supply ink to the ink tank, so that the ink amount in the ink tank can be kept at a relatively balanced position, the reduction of the reduction, the working efficiency and the quality of gravure printing are improved.

Description

Ink supply device of gravure printing machine

Technical Field

The utility model relates to an ink supply unit field, more specifically say, relate to an intaglio press ink supply unit.

Background

The intaglio printing is that the whole surface of printing plate is coated with ink, then the ink in blank portion is removed by using special ink-scraping mechanism, so that the ink can be remained in the cell of image-text portion, and under the action of larger pressure the ink can be transferred to the surface of printing material so as to obtain the invented printed matter. Gravure printing belongs to direct printing. The image-text part of the printing plate is concave, the concave degree is different with the depth of the image layer, and the blank part of the printing plate is convex and is on the same plane.

As a common printing method, there are many factors that affect the printing quality of gravure printing, such as the quality of printing ink, the amount of ink adhering to the printing roller during each printing job, and the real-time working state of the doctor blade, which all tend to affect the final quality of gravure printing.

The factors influencing the amount of ink taken up by the printing roller from the ink tank at each time are also various, such as the viscosity of the ink, the depth of the printing roller immersed in the ink, the content of foam in the ink and the like, wherein the total amount of the ink in the ink tank can be continuously consumed along with the continuous printing work, so that the depth of the printing roller immersed in the ink can be changed, the total amount of the ink adhered to the printing roller is influenced, the quality of the shadow response brush is further improved, and therefore the ink tank needs to be replenished with the ink in the printing process.

The current photogravure press adopts supplementary machinery such as manual benefit china ink or adoption water pipe to mend the china ink to the ink duct mostly, wherein manual benefit china ink often need shut down the photogravure press earlier for safety, just can mend black work after the photogravure press shuts down completely, this kind of mode operation is comparatively troublesome, and influences the work efficiency of photogravure press easily, and utilize supplementary machinery to mend the china ink to the ink duct, also need the staff to carry out real time monitoring to the ink volume in the ink duct, it is very inconvenient to operate.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide an intaglio press ink feed mechanism, it can realize when the china ink volume is lower in the china ink groove, and ink feed mechanism can supply the china ink groove automatically, makes the china ink volume in the china ink groove can keep in a relative balance's position, reduces the decline of the printing quality that causes because of the degree of depth change among the printing roller dip ink, improves intaglio printing's work efficiency and quality.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

An ink supply device of an intaglio press comprises an ink supply relay box, wherein an ink tank is arranged on the right side of the ink supply relay box, an intaglio printing roller is arranged on the upper side of the ink tank and penetrates through an opening in the upper end of the ink tank and extends into the ink tank, a main connecting pipe is connected between the ink tank and the ink supply relay box, two ends of the main connecting pipe respectively penetrate through the side walls of the ink tank and the ink supply relay box, the ink tank and the ink supply relay box are communicated through a main connecting pipe, the main connecting pipe is divided into a front part of the main connecting pipe and a rear part of the main connecting pipe, the front part of the main connecting pipe is fixedly connected with the ink supply relay box, a pair of main limiting rods is connected onto the inner wall of the junction of the front part of the main connecting pipe and the rear part of the main connecting pipe, a main sealing plug matched with the main connecting pipe is connected in the main connecting pipe in a sliding mode, two, the left side that supplies the black relay box is equipped with the transition case, be connected with vice connecting pipe between black relay box and the transition case, and the both ends of vice connecting pipe run through the lateral wall that supplies black relay box and transition case respectively, supply black relay box and be linked together through vice connecting pipe between the transition case, the upside of transition case is equipped with chinese ink and replenishes the pipe, and chinese ink replenishes the pipe and runs through the outer wall of transition case to extend to the transition incasement, the transition case passes through chinese ink and replenishes the pipe and is connected with the external ink supply source, chinese ink replenishes the pipe and stretches into the one end of transition case and peg graft and have and supply the supplementary pipe assorted vice sealing plug of chinese ink, be connected with a pair of vice gag lever posts on the inner wall of transition case, two vice gag lever posts are located the both sides of chinese ink replenishing pipe respectively, and vice gag lever post runs through vice sealing plug, china ink groove, black relay box and transition incasement all are filled with chinese ink solution, and the china The auxiliary connecting pipes are communicated, so that the ink supply device can automatically supply ink to the ink tank when the ink amount in the ink tank is low, the ink amount in the ink tank can be kept at a relatively balanced position, the reduction of printing quality caused by the change of the depth of the printing roller immersed in the ink is reduced, and the working efficiency and quality of gravure printing are improved.

Further, be connected with between main sealing plug and the main connecting pipe inner wall with main sealing plug assorted main sealing silica gel ring packing, and main sealing silica gel ring packing and main sealing plug fixed connection, main sealing silica gel ring packing has the sealing effect, plays the in-process of sealing effect at main sealing plug, and main sealing silica gel ring packing can increase the leakproofness between main connecting pipe and the main sealing plug, makes difficult appearance ink seepage between main connecting pipe and the main sealing plug.

Furthermore, be connected with between vice sealing plug and the transition case inner wall with vice sealing plug assorted vice sealing silica gel ring pad, and vice sealing silica gel ring pad and vice sealing plug fixed connection, vice sealing silica gel ring pad can increase the leakproofness between transition case and the vice sealing plug, makes to be difficult for appearing the ink leakage between transition case and the vice sealing plug.

Furthermore, the transition box needs to be fixed on the frame during normal operation and cannot move during operation, so that when the ink supply relay box is filled fully, the liquid level of the ink solution in the transition box can enable the auxiliary sealing plug to seal the ink replenishing pipe, and the ink replenishing pipe can not supply ink to the transition box any more.

Furthermore, the density of the secondary sealing plug is smaller than that of the ink solution, the secondary sealing plug needs to be made of hard materials, the secondary sealing plug with the smaller density floats on the liquid level of the ink solution, and the ink replenishing pipe can be opened or closed according to the height of the liquid level of the ink solution.

Furthermore, a filter screen is connected to one end of the rear portion of the main connecting pipe, close to the side wall of the ink solution, and the filter screen can break foam in the ink solution, so that the ink solution in the ink tank is not prone to generating excessive foam, and printing quality is not prone to being affected.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) the scheme can realize that when the ink amount in the ink tank is lower, the ink supply device can automatically supply ink to the ink tank, so that the ink amount in the ink tank can be kept at a relatively balanced position, the reduction of printing quality caused by the change of the depth of the printing roller immersed in the ink is reduced, and the working efficiency and the quality of gravure printing are improved.

(2) Be connected with between main sealing plug and the main connecting pipe inner wall with main sealing plug assorted main sealing silica gel ring packing, and main sealing silica gel ring packing and main sealing plug fixed connection, main sealing silica gel ring packing has the sealing effect, plays the in-process of sealing effect at main sealing plug, main sealing silica gel ring packing can increase the leakproofness between main connecting pipe and the main sealing plug, makes difficult appearance ink seepage between main connecting pipe and the main sealing plug.

(3) And an auxiliary sealing silica gel ring gasket matched with the auxiliary sealing plug is connected between the auxiliary sealing plug and the inner wall of the transition box, the auxiliary sealing silica gel ring gasket is fixedly connected with the auxiliary sealing plug, and the sealing performance between the transition box and the auxiliary sealing plug can be improved by the auxiliary sealing silica gel ring gasket, so that ink leakage is not easy to occur between the transition box and the auxiliary sealing plug.

(4) When the transition box is normally operated, the transition box needs to be fixed on the frame and cannot move in operation, so that when the ink supply relay box is filled fully, the liquid level of the ink solution in the transition box can enable the auxiliary sealing plug to seal the ink replenishing pipe, and the ink replenishing pipe can not supply ink to the transition box.

(5) The density of the auxiliary sealing plug is smaller than that of the ink solution, the auxiliary sealing plug is made of hard materials, the auxiliary sealing plug with the lower density floats on the liquid level of the ink solution, and the ink replenishing pipe can be opened or closed according to the height of the liquid level of the ink solution.

(6) The filter screen is connected in the end of the rear part of the main connecting pipe close to the side wall of the ink solution, and can break foam in the ink solution, so that the ink solution in the ink tank is not easy to generate excessive foam, and the printing quality is not easy to influence.

Drawings

FIG. 1 is a front cross-sectional view of the present invention during normal printing;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of the structure at B in FIG. 1;

FIG. 4 is a front cross-sectional view of the ink supply of the present invention;

FIG. 5 is a schematic view of the structure at C in FIG. 4;

fig. 6 is a schematic view of the structure at D in fig. 4.

The reference numbers in the figures illustrate:

the printing device comprises an ink tank 1, a gravure printing roller 2, an ink solution 3, an ink supply 4 relay box, a transition box 5, a main connecting pipe 6, an auxiliary connecting pipe 7, a main limiting rod 8, a main sealing plug 9, a compression spring 10, a main sealing silica gel ring pad 11, an ink replenishing pipe 12, an auxiliary sealing plug 13, an auxiliary sealing silica gel ring pad 14, an auxiliary limiting rod 15 and a filter screen 16.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-3, an ink supply device of an intaglio printing press includes an ink supply relay tank 4, an ink tank 1 is disposed on the right side of the ink supply relay tank 4, the ink supply relay tank 4 is an automatic ink supply device of the ink tank 1, so that the liquid level of an ink solution 3 in the ink tank 1 can be stabilized within a preset range, an intaglio printing roller 2 is disposed on the upper side of the ink tank 1, the intaglio printing roller 2 penetrates through an opening at the upper end of the ink tank 1 and extends into the ink tank 1, the intaglio printing roller 2 can take the ink solution 3 from the ink tank 1 to complete printing, a main connection pipe 6 is connected between the ink tank 1 and the ink supply relay tank 4, two ends of the main connection pipe 6 respectively penetrate through the side walls of the ink tank 1 and the ink supply relay tank 4, the ink tank 1 is communicated with the ink supply relay tank 4 through the main connection pipe 6, the main connection pipe 6 is divided into a front portion and a rear portion, and the front portion of the main connection pipe are fixedly connected with, a pair of main limiting rods 8 are connected on the inner wall of the junction between the front part of the main connecting pipe and the rear part of the main connecting pipe, a main sealing plug 9 matched with the main connecting pipe 6 is connected in the main connecting pipe 6 in a sliding way, the two main limiting rods 8 penetrate through the main sealing plug 9, a compression spring 10 is connected between the main sealing plug 9 and the main limiting rods 8, the main sealing plug 9 has a sealing function, when the liquid level in the ink tank 1 reaches a specified height, the main sealing plug 9 is pushed to a closed state under the action of an ink solution 3 in the ink tank 1 and the compression spring 10 in a compressed state, the ink supply to the ink tank 1 is stopped, a transition box 5 is arranged on the left side of the ink supply relay box 4, an auxiliary connecting pipe 7 is connected between the ink supply relay box 4 and the transition box 5, two ends of the auxiliary connecting pipe 7 respectively penetrate through the side walls of the ink supply relay box 4 and the transition box 5, and the, the hydraulic pressure of the ink solution 3 in the ink supply relay box 4 is not influenced, and simultaneously, the ink supply relay box 4 can be kept in a full state all the time, the ink supply relay box 4 is communicated with the transition box 5 through the auxiliary connecting pipe 7, the upper side of the transition box 5 is provided with the ink replenishing pipe 12, the ink replenishing pipe 12 penetrates through the outer wall of the transition box 5 and extends into the transition box 5, the transition box 5 is connected with an external ink supply source through the ink replenishing pipe 12, one end, extending into the transition box 5, of the ink replenishing pipe 12 is inserted with the auxiliary sealing plug 13 matched with the ink replenishing pipe 12, the inner wall of the transition box 5 is connected with a pair of auxiliary limiting rods 15, the two auxiliary limiting rods 15 are respectively positioned at two sides of the ink replenishing pipe 12, the auxiliary limiting rods 15 penetrate through the auxiliary sealing plug 13, the auxiliary sealing plug 13 can ascend or descend along with the liquid level of the ink solution 3 in the ink supply relay box 4 and is connected through the auxiliary connecting, the liquid level in the transition box 5 and the liquid level in the ink supply relay box 4 are kept on a uniform horizontal plane, the ink tank 1, the ink supply relay box 4 and the transition box 5 are filled with ink solution 3, the ink tank 1 and the ink supply relay box 4 are communicated with the ink solution 3 in the ink supply relay box 4 and the transition box 5 through a main connecting pipe 6 and an auxiliary connecting pipe 7 respectively,

referring to fig. 1-3, a main sealing silicone ring pad 11 matched with the main sealing plug 9 is connected between the main sealing plug 9 and the inner wall of the main connecting pipe 6, and the main sealing silicone ring pad 11 is fixedly connected with the main sealing plug 9, the main sealing silicone ring pad 11 has a sealing function, in the process of sealing the main sealing plug 9, the main sealing silicone ring pad 11 can increase the sealing property between the main connecting pipe 6 and the main sealing plug 9, so that ink leakage is not likely to occur between the main connecting pipe 6 and the main sealing plug 9, an auxiliary sealing silicone ring pad 14 matched with the auxiliary sealing plug 13 is connected between the auxiliary sealing plug 13 and the inner wall of the transition box 5, the auxiliary sealing silicone ring pad 14 is fixedly connected with the auxiliary sealing plug 13, the auxiliary sealing silicone ring pad 14 can increase the sealing property between the transition box 5 and the auxiliary sealing plug 13, so that ink leakage is not likely to occur between the transition box 5 and the auxiliary sealing plug 13, the transition box 5 needs to be fixed on a rack during normal operation, the auxiliary sealing plug 13 can be made of hard materials, the auxiliary sealing plug 13 with low density can float on the liquid surface of the ink solution 3, the ink replenishing pipe 12 can be opened or closed according to the height of the liquid surface of the ink solution 3, a filter screen 16 is connected in one end, close to the side wall of the ink solution 3, of the rear portion of the main connecting pipe, and the filter screen 16 can break foams in the ink solution 3, so that the ink solution 3 in the ink tank 1 cannot easily generate excessive foams, and printing quality is not easily affected.

When the intaglio printing press normally works and ink supply is not needed, please refer to fig. 1-3, at this time, in the main connecting pipe 6, the pressure of the ink solution 3 in the ink tank 1 to the main sealing plug 9 and the elastic force of the compression spring 10 to the main sealing plug 9 are greater than the pressure of the ink solution 3 in the ink supply relay tank 4 to the main sealing plug 9, the main sealing plug 9 is in a normally closed state, at this time, ink supply to the ink tank 1 is stopped, when the liquid level of the ink solution 3 in the ink tank 1 drops below a preset line, the pressure of the ink solution 3 in the ink tank 1 to the main sealing plug 9 is reduced, under the action of the pressure of the ink solution 3 in the ink supply relay tank 4 to the main sealing plug 9, the main sealing plug 9 moves towards the direction far away from the front half part of the main connecting pipe 6, at this time, please refer to fig. 4-6, the ink solution 3 in the ink supply relay tank 4 will flow into the ink, the ink supply to the ink tank 1 is completed, the liquid level in the ink supply relay tank 4 and the liquid level in the transition tank 5 are lowered together with the progress of the ink supply, at this time, the secondary sealing plug 13 is lowered along with the liquid level of the ink solution 3, the ink replenishing pipe 12 is opened, so that the ink solution 3 in the ink supply relay tank 4 and the transition tank 5 can be replenished through the ink replenishing pipe 12, when the liquid level of the ink solution 3 in the ink tank 1 returns to the preset range again, under the combined action of the pressure of the ink solution 3 in the ink tank 1 and the elastic force of the compression spring 10, the primary sealing plug 9 can return to the state shown in fig. 1-3, and when the ink solution 3 in the ink supply relay tank 4 is filled up, the secondary sealing plug 13 can close the ink replenishing pipe 12 again, so that the ink replenishing pipe 12 is disconnected from the ink solution 3 in the ink supply relay tank 4, so that the ink solution 3 existing in the ink replenishing pipe 12 is not easy to affect the hydraulic pressure of the ink solution 3 in the ink supply, the dynamic balance state of the main sealing plug 9 is not easily influenced, the ink supply device can automatically supply ink to the ink tank when the ink amount in the ink tank is low, so that the ink amount in the ink tank can be kept at a relatively balanced position, the reduction of the printing quality caused by the change of the depth of the printing roller immersed in the ink is reduced, and the working efficiency and the quality of the intaglio printing are improved.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims (6)

1. An intaglio printing press ink supply unit, includes supplying ink relay box (4), its characterized in that: the right side of the ink supply relay box (4) is provided with an ink tank (1), the upper side of the ink tank (1) is provided with an intaglio printing roller (2), the intaglio printing roller (2) penetrates through an opening at the upper end of the ink tank (1) and extends into the ink tank (1), a main connecting pipe (6) is connected between the ink tank (1) and the ink supply relay box (4), two ends of the main connecting pipe (6) respectively penetrate through the side walls of the ink tank (1) and the ink supply relay box (4), the ink tank (1) and the ink supply relay box (4) are communicated through the main connecting pipe (6), the main connecting pipe (6) is divided into a main connecting pipe front part and a main connecting pipe rear part, the main connecting pipe front part is fixedly connected with the ink supply relay box (4), a pair of main limiting rods (8) is connected on the inner wall of the junction of the main connecting pipe front part and the main connecting pipe rear part, a main connecting plug (9) matched with the main connecting pipe (6) is connected in the, and two main gag lever posts (8) all run through main sealing plug (9), be connected with compression spring (10) between main sealing plug (9) and main gag lever post (8), the left side that supplies black relay box (4) is equipped with transition case (5), be connected with vice connecting pipe (7) between supplying black relay box (4) and transition case (5), and the both ends of vice connecting pipe (7) run through the lateral wall that supplies black relay box (4) and transition case (5) respectively, be linked together through vice connecting pipe (7) between supplying black relay box (4) and transition case (5), the upside of transition case (5) is equipped with chinese ink and replenishes pipe (12), and replenishes the outer wall that chinese ink pipe (12) run through transition case (5) to extend to in transition case (5), transition case (5) supply ink through chinese ink and supply with the external world through chinese ink and be connected, the one end that chinese ink replenishes pipe (12) stretch into transition case (5) is pegged graft and is had vice supplementary pipe (12) assorted with chinese ink supplementary pipe (12), chinese ink Sealing plug (13), be connected with a pair of vice gag lever post (15) on the inner wall of transition case (5), two vice gag lever post (15) are located the both sides that chinese ink supplyed pipe (12) respectively, and vice gag lever post (15) run through vice sealing plug (13), china ink groove (1), supply ink relay box (4) and transition case (5) are all filled with chinese ink solution (3), and china ink groove (1) and supply ink relay box (4) and be linked together through main connecting pipe (6) and vice connecting pipe (7) respectively with chinese ink solution (3) in transition case (5).

2. An ink supply device for an intaglio printing press according to claim 1, characterized in that: the main sealing plug (9) and the inner wall of the main connecting pipe (6) are connected with a main sealing silica gel ring gasket (11) matched with the main sealing plug (9), and the main sealing silica gel ring gasket (11) is fixedly connected with the main sealing plug (9).

3. An ink supply device for an intaglio printing press according to claim 1, characterized in that: and an auxiliary sealing silica gel ring gasket (14) matched with the auxiliary sealing plug (13) is connected between the auxiliary sealing plug (13) and the inner wall of the transition box (5), and the auxiliary sealing silica gel ring gasket (14) is fixedly connected with the auxiliary sealing plug (13).

4. An ink supply device for an intaglio printing press according to claim 1, characterized in that: the transition box (5) needs to be fixed on the frame during normal work and cannot move during work.

5. An ink supply device for an intaglio printing press according to claim 1, characterized in that: the density of the secondary sealing plug (13) is less than that of the ink solution (3), and the secondary sealing plug (13) is made of hard materials.

6. An ink supply device for an intaglio printing press according to claim 1 or 3, characterized in that: and a filter screen (16) is connected in one end of the rear part of the main connecting pipe, which is close to the side wall of the ink solution (3).

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