CN208069109U - A multi-color ink feeding mechanism of an offset printing machine for color box processing - Google Patents

Abstract

The utility model discloses a multicolor inking mechanism of offset press for color box processing, which comprises an ink box and an inking support, wherein the ink box is provided with two ink areas, the inner cavity of the ink box is divided into nine ink areas by a partition plate, the top of a side plate of the ink box is provided with an electromagnetic valve group, nine ink areas are provided with filter screen sleeves, nine ink areas are correspondingly connected with electromagnetic valves on the electromagnetic valve group one by one through an ink supply pipe, the output port of the electromagnetic valve group is connected with an ink suction pump through an ink delivery pipe, the ink suction pump is connected with a gravure cylinder through an ink outlet nozzle, an ink baffle is arranged below the ink suction pump, the gravure cylinder is connected with a printing roller through an ink transfer roller, ink distributing brushes are arranged on the ink transfer roller and the printing roller, a guide baffle is arranged below the ink transfer roller, two printing rollers are arranged on the inking support through a clamping sleeve, the multi-color inking is realized by controlling the electromagnetic valve, and the continuous operation can be realized.

Description

A multi-color ink feeding mechanism of an offset printing machine for color box processing

technical field

The utility model relates to the field of offset printing machines, in particular to a multi-color ink feeding mechanism of an offset printing machine for color box processing.

Background technique

The offset printing machine is a kind of lithographic printing machine. When printing, the printed image and text are first printed from the printing plate to the rubber cylinder, and then transferred to the paper by the rubber cylinder. Offset printing machines can be divided into sheet-fed offset printing machines and web offset printing machines according to different feeding methods; according to the number of printing colors completed in one pass, they can be divided into single-color, two-color, four-color and multi-color printing machines; The largest paper format can be divided into small offset printing machines, six-fold, four-fold, folio and full-sheet printing machines, and there is also a double-sided printing machine that can print on both sides at the same time with one pass. Sheet-fed offset printing machine is a lithographic printing machine, which is used to print high-end commercial printed matter and packaging printed matter, and is the mainstream of modern paper printing; however, in the prior art, most of the ink feeding mechanisms of offset printing machines for color box processing have the following shortcomings :

(1) The ink distribution mechanism of the offset printing machine for ordinary color box processing has poor ink distribution effect, resulting in poor printing quality, and most of them are single black ink, which is not easy to offset color boxes;

(2) The ink feeding mechanism of the offset printing machine for general color box processing cannot continue to operate continuously, especially when the ink is lacking, it needs to stop the operation to add the corresponding ink, thus affecting the printing effect.

Contents of the invention

In order to overcome the shortcomings of the existing technical solutions, the utility model provides a multi-color ink feeding mechanism of an offset printing machine for color box processing, which not only solves the use problems caused by ordinary multi-color ink feeding mechanisms, but also greatly increases the The usability is improved, the effect of ink infusion is increased, multi-color ink infusion is convenient, and uninterrupted and continuous operation can be realized, which can effectively solve the problems raised by the background technology.

The technical scheme that the utility model solves its technical problem adopts is:

A multi-color ink feeding mechanism of an offset printing machine for color box processing, including ink boxes and ink feeding brackets, the ink box has two, and the inner cavity of the ink box is divided into nine ink areas through a partition plate, and the The top of the side plate of the ink cartridge is equipped with a solenoid valve group, and filter screen sets are arranged in the nine ink regions, and the nine ink regions are in one-to-one correspondence with the solenoid valves on the solenoid valve group through the ink supply pipe. connected;

The output port of the solenoid valve group is connected to an ink suction pump through an ink delivery pipe, and the ink suction pump is connected to a gravure cylinder through an ink outlet nozzle, and an ink baffle is arranged below the ink suction pump, and the gravure cylinder The ink transfer roller is connected with the printing roller, and the ink transfer roller and the printing roller are equipped with an ink distribution brush, and a guide baffle is arranged below the connection between the ink transfer roller and the gravure cylinder, and the guide baffle and the gravure cylinder are connected. An ink return bottle is placed on the flow side of the ink baffle, and two printing rollers are installed on the ink feeding support through a clamping sleeve.

Further, the ink delivery bracket is an O-shaped strip structure, and the ink delivery bracket is provided with sliding bar holes.

Further, a threaded hole groove is provided at the center of the upper surface of the ink outlet nozzle, and a horizontal ink outlet bar is installed at the output port of the ink outlet nozzle, and the horizontal ink outlet bar passes through the ink separating plate and the ink outlet nozzle. connected, and the outside of the horizontal ink strip is provided with an ink sponge.

Further, two guide arc plates are arranged symmetrically on the ink separation plate, and the two guide arc plates are fixedly installed on the ink separation plate through positioning columns.

Further, the ink distribution brush is fixedly installed on the frame of the ink distribution mechanism through the ink distribution base, and a brush is installed on the front side of the ink distribution brush through the brush groove.

Compared with the prior art, the beneficial effects of the utility model are:

(1) The utility model isolates the sundries or solid particles in the ink in the filter sleeve through the filter sleeve, so as to reduce the occurrence of clogging the ink delivery pipeline, improve the printing effect, and also has the function of ink distribution. Brush, so that the ink on the ink transfer roller and the printing roller can be evenly applied to improve the effect of inking and printing, and through the solenoid valve group, it can realize the function of multi-color inking;

(2) The utility model is equipped with two ink cartridges, printing rollers and an ink feeding system, so that when the ink cartridge on one printing roller is about to run out of oil, the other printing roller is immediately started to operate, so as to achieve continuous and uninterrupted The operation can reduce the impact on the color box processing, and it also has ink baffles and guide baffles, which can prevent ink from accidentally falling onto the printing roller and affect the printing effect of the printing roller.

Description of drawings

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is the structural representation of the ink outlet nozzle of the utility model;

Fig. 3 is a structural schematic diagram of the ink distribution brush of the present invention.

Labels in the figure:

1-Ink box; 2-Ink supply bracket; 3-Partition plate; 4-Ink area; 5-Solenoid valve group; Pump; 10-ink outlet nozzle; 11-gravure cylinder; 12-ink baffle; 13-ink transfer roller; 14-printing roller; 15-ink distribution brush; 16-guide baffle; - clamping sleeve; 201 - sliding bar hole;

101-thread hole groove; 102-horizontal ink strip; 103-ink plate; 104-ink sponge; 105-guiding arc plate; 106-positioning column;

151-ink distribution base; 152-ink distribution mechanism frame; 153-hair brush groove; 154-hair brush.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

As shown in Figure 1, the utility model provides a multi-color ink delivery mechanism of an offset printing machine for color box processing, including an ink box 1 and an ink delivery support 2, the ink box 1 has two, and its inner cavity passes through The partition plate 3 is divided into nine ink areas 4, wherein the ink delivery support 2 is an O-shaped strip structure, and the ink delivery support 2 is provided with a slide bar hole 201, which passes through the nine ink areas 4 to place inks of different colors, and the top of the side plate of the ink cartridge 1 is equipped with a solenoid valve group 5, and the nine ink zones 4 are all provided with a filter screen cover 6, through which the foreign matter in the ink can be removed Or there are solid particles isolated in the filter screen cover 6 to reduce the occurrence of clogging the ink delivery pipeline and improve the printing effect, and the nine ink zones 4 are all passed through the electromagnetic valves on the ink supply pipe 7 and the solenoid valve group 5. The valves are connected one by one, and by controlling the solenoid valves on the solenoid valve group 5, the ink of the required color can be obtained from the nine ink zones 4 through the ink supply tube 7, so as to meet the needs of color box processing;

As shown in Figures 1 and 2, the output port of the electromagnetic valve group 5 is connected with an ink suction pump 9 through an ink delivery pipe 8, and the ink suction pump 9 provides ink suction power for the ink supply pipe 7 and the ink delivery pipe 8 , and the ink is delivered to the ink nozzle 10, the ink suction pump 9 is connected to the gravure cylinder 11 through the ink outlet nozzle 10, wherein the center of the upper surface of the ink outlet nozzle 10 is provided with a threaded hole groove 101, and the A horizontal ink outlet bar 102 is installed at the output port of the ink outlet nozzle 10, and the horizontal ink outlet bar 102 is connected to the ink outlet nozzle 10 through an ink separation plate 103, and an ink outlet sponge is arranged on the outside of the horizontal ink outlet bar 102 104, the gravure cylinder 11 is evenly coated with ink through the ink outlet sponge 104, and two guide arc plates 105 are symmetrically arranged on the ink separation plate 103, and the two guide arc plates 105 are fixed and installed by positioning columns 106 On the ink plate 103, the ink flows into the ink outlet sponge 104 as evenly as possible through the guide arc plate 104, so that the gravure cylinder 11 receives ink evenly;

As shown in Figures 1 and 3, an ink baffle 12 is arranged below the ink suction pump 9, and the gravure cylinder 11 is connected with a printing roller 14 through an ink transfer roller 13, and the ink transfer roller 13 and the printing roller 14 The ink distribution brush 15 is evenly installed on the top, wherein the ink distribution brush 15 is fixedly installed on the ink distribution mechanism frame 152 through the ink distribution base 151, and the front side of the ink distribution brush 15 is installed through the brush groove 153 There is a brush 154, through the effect of the ink distribution brush 15 and the brush 154 on it, the ink on the ink transfer roller 13 and the printing roller 14 is evenly applied to improve the effect of inking and printing;

A guide baffle 16 is arranged below the connection between the ink transfer roller 13 and the gravure cylinder 11, and an ink return bottle 17 is placed on the flow direction of the guide baffle 16 and the ink baffle 12, and the guide baffle 16 and the ink baffle 12, it can prevent the ink from accidentally falling onto the printing roller 14, which affects the printing effect of the printing roller 14, and also has an ink return bottle 17 that can recycle the ink accidentally leaked during the transportation process. The tight sleeve 18 is equipped with two printing rollers 14, and the two printing rollers 14 can be effectively fixed and installed on the inking support 2 through the clamping sleeve 18, and also has two printing rollers 14 and ink feeding structure, so that when one When the ink cartridge 1 on the printing roller 14 is about to run out of oil, another printing roller 14 is started to operate immediately, so as to realize continuous and uninterrupted operation and reduce the impact on the color box processing.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. a kind of polychrome inking mechanism of color box processing offset press, including ink cartridge (1) and inking holder (2), feature exists In：There are two ink cartridge (1) tools, and ink cartridge (1) inner cavity is divided into nine ink areas (4) by demarcation strip (3), and Solenoid valve block (5) is installed at the top of the side plate of the ink cartridge (1), filtration net cover is both provided in nine ink areas (4) (6), and nine ink areas (4) for ink tube (7) and the solenoid valve in solenoid valve block (5) by corresponding phase Even；

The delivery outlet of the solenoid valve block (5) is connected with ink suction pump (9) by ink-feeding tube (8), and the ink suction pump (9) is by out of ink Nozzle (10) is connected with gravure cylinder (11), and ink baffle (12), the intaglio plate are provided with below the ink suction pump (9) Roller (11) is connected with print roller (14) by distributor rollers (13), is mounted on the distributor rollers (13) and print roller (14) even Black hairbrush (15), and it is provided with guide baffle plate (16) below the distributor rollers (13) and gravure cylinder (11) connecting place, it is described The flow direction side of guide baffle plate (16) and ink baffle (12) is placed with back black bottle (17), passes through clamping on the inking holder (2) Covering (18) installation, there are two print rollers (14).

2. a kind of polychrome inking mechanism of color box processing offset press according to claim 1, it is characterised in that：It is described defeated Black holder (2) is O shape harden structures, and slider bar hole (201) is provided on the inking holder (2).

3. a kind of polychrome inking mechanism of color box processing offset press according to claim 1, it is characterised in that：It is described go out Be provided with screw thread hole slot (101) at the upper surface center of injection nozzle (10), and it is described go out injection nozzle (10) equipped at outlet port peace Equipped with ink-stick (102) is laterally gone out, the transverse direction goes out ink-stick (102) and is connected with injection nozzle (10) is gone out by ink distributing plate (103), and The outside that the transverse direction goes out ink-stick (102) is provided with sponge out of ink (104).

4. a kind of polychrome inking mechanism of color box processing offset press according to claim 3, it is characterised in that：Described point It is symmetrical arranged on black plate (103) there are two pilot arc plate (105), two pilot arc plates (105) are solid by positioning column (106) Dingan County fills on ink distributing plate (103).

5. a kind of polychrome inking mechanism of color box processing offset press according to claim 1, it is characterised in that：It is described even Black hairbrush (15) is fixedly installed in by even black pedestal (151) on ink distribution mechanism frame (152), and the even black hairbrush (15) Front side is equipped with hairbrush (154) by hairbrush slot (153).