CN219277003U

CN219277003U - Ink transfer device for flexible combination

Info

Publication number: CN219277003U
Application number: CN202320229258.3U
Authority: CN
Inventors: 朱文斌; 罗强; 高洋
Original assignee: Suzhou Jiangtian Packaging Technology Co ltd
Current assignee: Suzhou Jiangtian Packaging Technology Co ltd
Priority date: 2023-02-16
Filing date: 2023-02-16
Publication date: 2023-06-30
Anticipated expiration: 2033-02-16

Abstract

The utility model provides an ink transfer device for a flexible combination, which comprises an ink tank for containing ink, an ink transfer roller, an ink scraping unit and an ink reflux unit, wherein the ink scraping unit comprises an ink scraping part with an ink scraping end part and a driving part, the ink scraping end part is abutted on the roller surface of the ink transfer roller, the driving part drives the ink scraping end part to reciprocate along the axial direction of the ink transfer roller, and an ink scraping area formed by the ink scraping end part can cover the ink on the surface of the ink transfer roller; the ink return unit is formed with a return passage provided open from the top, wherein the return passage is provided below the ink scraping end portion and communicates with the ink tank. According to the utility model, the ink scraping unit and the ink reflux unit are arranged, so that the ink on the surface of the ink transfer roller can be driven to be uniformly distributed in the process of rotating the ink transfer roller, uniform and stable ink transfer is realized, and the printing quality is effectively improved; meanwhile, redundant ink can be scraped and reflowed into the ink tank, so that waste is avoided, cost is saved, and workshop ink pollution can be avoided.

Description

Ink transfer device for flexible combination

Technical Field

The utility model belongs to the technical field of printing, and particularly relates to an ink transfer device for glue and flexibility combination.

Background

Flexography is a direct printing process known as flexography, due to the use of flexible, raised image plates; offset printing is one type of lithographic printing, that is, a printing mode of transferring a picture and text on a printing plate onto a printing stock by means of a blanket, and the two printing modes are different and each has characteristics, and are suitable for printing operations of different products.

At present, in order to simultaneously meet the printing demands of different products and improve the production efficiency, the flexible printing and offset printing are combined in the industry, and the flexible printing combined printing machine is designed, so that the printing machine is simultaneously provided with a flexible printing and offset printing two-set printing system and an ink transfer system, and can be flexibly switched between flexible printing and offset printing, thereby meeting the production demands, reducing the production line and saving the cost.

When the existing flexo-printing machine carries out flexo printing, the adopted ink transfer system generally comprises an ink tank and an ink transfer roller, wherein the ink transfer roller is immersed in ink in the ink tank from the lower part and transfers the ink to the flexo-printing roller in the rotation of the ink transfer roller, however, in the actual production process, a large amount of ink attached to the surface of the ink transfer roller can freely flow along with the rotation of the ink transfer roller, so that the uneven distribution of the ink on the surface of the ink transfer roller is easily caused, and the printing quality is influenced; and the probability that the ink splashes along the rotation direction of the ink transfer roller under the inertia effect also appears, so that the ink is wasted and the workshop environment is influenced.

Disclosure of Invention

The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing an improved ink transfer device for glue and flexibility combination.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the ink transfer device for the rubber-flexible combination comprises an ink tank for containing ink and an ink transfer roller immersed in the ink from the lower part, wherein when the ink transfer roller rotates, the roller surface of the ink transfer roller enters the ink tank from the front part downwards and leaves the ink tank from the rear part upwards, the ink transfer device also comprises an ink scraping unit and an ink reflux unit, the ink scraping unit comprises an ink scraping part with an ink scraping end part and a driving part, the ink scraping end part is abutted on the roller surface of the ink transfer roller, the driving part drives the ink scraping end part to reciprocate along the axial direction of the ink transfer roller, and an ink scraping area formed by the ink scraping end part can cover the ink on the surface of the ink transfer roller; the ink return unit is formed with a return passage which is arranged open from the top, wherein the return passage is arranged below the ink scraping end and is communicated with the ink tank, and when ink is scraped, the ink falls into the return passage from the roller surface of the ink transfer roller and flows into the ink tank.

Preferably, the wiping end abuts against the surface of the rear portion of the transfer roller and is positioned adjacent to the level of ink in the ink tank. The ink scraping device is arranged in such a way, ink can be scraped rapidly when the roller surface of the ink transfer roller leaves ink, so that the ink is uniformly distributed on the roller surface of the ink transfer roller, and the excessive ink is scraped.

Specifically, the scraping end part is formed with an arc surface tangential to the roller surface of the ink transfer roller. By the arrangement, the contact area is reduced, the abrasion of the ink transfer roller is reduced, and the service life is prolonged.

Preferably, the ink scraping component comprises a body and an ink scraping rod extending outwards from the body, wherein the end of the ink scraping rod away from the body forms an ink scraping end, and the driving component drives the body to axially reciprocate along the ink transfer roller.

Specifically, at least two ink scraping rods are arranged and are distributed at intervals along the axial direction of the ink transfer roller. By the arrangement, the movement stroke of the body can be reduced, and the ink scraping efficiency is effectively improved.

Preferably, the ink scraping unit further comprises a fixing seat and a turnover frame which is rotatably connected to the fixing seat and can vertically turn over, wherein the ink scraping component and the driving component are respectively arranged on the turnover frame. The turnover frame can be opened during shutdown, so that maintenance is facilitated.

Preferably, the roll-over stand comprises three shelf boards, wherein the three shelf boards surround and form a cavity extending along the axial direction of the ink transfer roller, and a notch extending along the axial direction of the ink transfer roller is formed on one of the three shelf boards; the driving part comprises a driving seat which is arranged in the cavity and can axially reciprocate along the ink transfer roller, and the ink scraping part is fixedly connected to the driving seat through a notch. The device is simple in structure and convenient to install and implement.

Preferably, the ink return unit includes a return seat provided at the rear side of the ink transfer roller, wherein a guide surface extending obliquely from back to front and downward is formed on the return seat, and the lower side of the guide surface is located above the ink tank opening.

Further, the ink reflux unit further comprises two baffles arranged on the diversion surface at intervals along the axial direction of the ink transfer roller, wherein a reflux channel is formed between the two baffles and the diversion surface. The arrangement effectively avoids the ink on the guide surface from flowing out to two sides.

In addition, the front end face of each baffle is attached to the roller surface of the ink transfer roller.

Due to the implementation of the technical scheme, compared with the prior art, the utility model has the following advantages:

according to the utility model, the ink scraping unit and the ink reflux unit are arranged, so that the ink on the surface of the ink transfer roller can be driven to be uniformly distributed in the process of rotating the ink transfer roller, uniform and stable ink transfer is realized, and the printing quality is effectively improved; meanwhile, redundant ink can be scraped and reflowed into the ink tank, so that waste is avoided, cost is saved, and workshop ink pollution can be avoided.

Drawings

FIG. 1 is a schematic front view of an ink transfer device for flexible and adhesive bonding according to the present utility model;

FIG. 2 is a right side schematic view of FIG. 1;

wherein: 1. an ink tank;

2. an ink transfer roller;

3. a wiping unit; 30. a fixing seat; 31. a roll-over stand; 310. a frame plate; k. a notch; 32. a wiping member; 320. a body; 321. a wiper lever; d. a wiping end; 33. a driving part; 330. a driving seat; 4. an ink reflow unit; 40. a reflux seat; m, a diversion surface; t, a backflow channel; 41. and a baffle.

Detailed Description

In order to make the above objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is, however, susceptible of embodiment in many other forms than those described herein and similar modifications can be made by those skilled in the art without departing from the spirit of the application, and therefore the application is not to be limited to the specific embodiments disclosed below.

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," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature. It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

As shown in fig. 1 and 2, the ink transfer device for the flexible combination of the present embodiment includes an ink tank 1, an ink transfer roller 2, an ink scraping unit 3, and an ink return unit 4.

In particular, the ink tank 1 may be any ink tank of conventional construction for containing ink; the transfer roller 2 is immersed in the ink tank 1 from the lower part, and when the transfer roller 2 rotates around its own center line, the roller surface of the transfer roller 2 enters the ink tank 1 from the front part downward, and leaves the ink tank 1 from the rear part upward.

In this example, the ink scraping unit 3 includes a fixing base 30, a roll-over stand 31, an ink scraping member 32, and a driving member 33, wherein the fixing base 30 is disposed near one end of the ink transfer roller 2, the roll-over stand 31 is rotatably connected to the fixing base 30 and capable of turning up and down, and the ink scraping member 32 and the driving member 33 are disposed on the roll-over stand 31, respectively. The turnover frame can be opened during shutdown, so that maintenance is facilitated.

Specifically, the roll-over stand 31 includes three shelf boards 310, wherein the three shelf boards 310 surround and form a cavity extending along the axial direction of the ink transfer roller 2, and one of the three shelf boards 310 is formed with a strip-shaped notch k extending along the axial direction of the ink transfer roller 2; the driving part 33 comprises a driving seat 330 which is arranged in the cavity of the roll-over stand 31 and can axially reciprocate along the ink transfer roller 2, wherein the power source of the driving seat 330 is a motor; the ink scraping component 32 is fixedly connected to the driving seat 330 through the notch k, the ink scraping component 32 is provided with an ink scraping end d, the driving seat 330 can drive the ink scraping end d to reciprocate along the axial direction of the ink transfer roller 2, and an ink scraping area formed by the ink scraping end d can cover ink on the surface of the ink transfer roller 2. The device is simple in structure and convenient to install and implement.

For convenience of implementation, the ink scraping component 32 includes a body 320 fixedly connected with the driving seat 330 through a bolt member, and an ink scraping rod 321 extending outwards from the body 320, wherein an end of the ink scraping rod 321 away from the body 320 forms an ink scraping end d, and the driving component 33 drives the body 320 to axially reciprocate along the ink transfer roller 2; at least two ink scraping rods 321 are arranged at intervals along the axial direction of the ink transfer roller 2. By the arrangement, the movement stroke of the body can be reduced, and the ink scraping efficiency is effectively improved.

At the same time, the scraping end d abuts against the roller surface at the rear of the ink transfer roller 2 and is arranged close to the liquid level of the ink in the ink tank 1. The ink scraping device is arranged in such a way, ink can be scraped rapidly when the roller surface of the ink transfer roller leaves ink, so that the ink is uniformly distributed on the roller surface of the ink transfer roller, and the excessive ink is scraped.

Further, the wiping end portion d is formed with an arc surface tangential to the roller surface of the ink transfer roller 2. By the arrangement, the contact area is reduced, the abrasion of the ink transfer roller is reduced, and the service life is prolonged.

In this example, the ink return unit 4 is formed with a return passage t provided so as to be open from the top, wherein the return passage t is provided below the ink scraping end d and communicates with the ink tank 1, and ink falls down from the roller surface of the ink transfer roller 2 and flows into the ink tank 1 when scraping ink.

Specifically, the ink return unit 4 includes a return seat 40 and a baffle 41, wherein the return seat 40 is disposed at the rear side of the ink transfer roller d, and a guide surface m extending obliquely from back to front and downward is formed on the return seat 40, and the lower side of the guide surface m is located above the opening of the ink tank 1; the baffle plates 41 are arranged on the guide surface m at intervals along the axial direction of the ink transfer roller 2, wherein a backflow channel t is formed between the two baffle plates 41 and the guide surface m. The arrangement effectively avoids the ink on the guide surface from flowing out to two sides.

Further, the front end face of each baffle plate 41 is disposed in contact with the roller surface of the ink transfer roller 2.

In summary, the present embodiment has the following advantages:

1. by arranging the ink scraping unit and the ink reflux unit, the ink on the surface of the ink transfer roller can be driven to be uniformly distributed in the process of rotating the ink transfer roller, so that uniform and stable ink transfer is realized, and the printing quality is effectively improved; meanwhile, excessive ink can be scraped and reflowed into the ink tank, so that waste is avoided, cost is saved, and workshop ink pollution can be avoided;

2. through the arrangement of the ink scraping end parts, the ink can be scraped rapidly when the roller surface of the ink transfer roller leaves the ink, so that the ink is uniformly distributed on the roller surface of the ink transfer roller, and the excessive ink is scraped; meanwhile, the contact area can be reduced, the abrasion of the ink transfer roller is reduced, and the service life is prolonged;

3. the turnover frame can be opened during shutdown, the operation is simple, and the maintenance and the repair are convenient.

The present utility model has been described in detail with the purpose of enabling those skilled in the art to understand the contents of the present utility model and to implement the same, but not to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.

Claims

1. The utility model provides an ink transfer device for soft combination of gluing, its includes holds the ink groove of printing ink, soaks from the lower part in the ink passes the ink roller, when passing the ink roller and rotate, the roll surface of passing the ink roller from the front portion downwards get into the ink groove, upwards leave from the rear portion the ink groove, its characterized in that: the ink transfer device further comprises an ink scraping unit and an ink reflux unit, wherein the ink scraping unit comprises an ink scraping part with an ink scraping end part and a driving part, the ink scraping end part is abutted against the roller surface of the ink transfer roller, the driving part drives the ink scraping end part to reciprocate along the axial direction of the ink transfer roller, and an ink scraping area formed by the ink scraping end part can cover ink on the surface of the ink transfer roller; the ink backflow unit is provided with a backflow channel which is arranged from the top in an open mode, wherein the backflow channel is arranged below the ink scraping end portion and is communicated with the ink tank, and when ink is scraped, ink falls into the backflow channel downwards from the roller surface of the ink transfer roller and flows into the ink tank.

2. The ink transfer device for soft combining according to claim 1, wherein: the ink scraping end part is abutted against the roller surface at the rear part of the ink transfer roller and is arranged close to the liquid level of the ink in the ink tank.

3. The ink transfer device for soft combining according to claim 2, wherein: the ink scraping end part is provided with an arc surface tangent to the roller surface of the ink transfer roller.

4. An ink transfer device for use in a flexible combination according to claim 1, 2 or 3, wherein: the ink scraping component comprises a body and an ink scraping rod extending outwards from the body, wherein the end part of the ink scraping rod away from the body forms the ink scraping end part, and the driving component drives the body to axially reciprocate along the ink transfer roller.

5. The ink transfer device for soft combining according to claim 4, wherein: the number of the ink scraping rods is at least two, and the ink scraping rods are distributed at intervals along the axial direction of the ink transfer roller.

6. The ink transfer device for soft combining according to claim 1, wherein: the ink scraping unit further comprises a fixing seat and a turnover frame which is rotatably connected to the fixing seat and can vertically turn over, wherein the ink scraping component and the driving component are respectively arranged on the turnover frame.

7. The ink transfer device for soft combining according to claim 6, wherein: the turnover frame comprises three frame plates, wherein the three frame plates surround and form a cavity extending along the axial direction of the ink transfer roller, and a notch extending along the axial direction of the ink transfer roller is formed on one of the three frame plates; the driving part comprises a driving seat which is arranged in the cavity and can axially reciprocate along the ink transfer roller, and the ink scraping part is fixedly connected to the driving seat through the notch.

8. The ink transfer device for soft combining according to claim 2, wherein: the ink reflux unit comprises a reflux seat arranged at the rear side of the ink transfer roller, wherein a flow guide surface extending obliquely from back to front and downwards is formed on the reflux seat, and the lower side of the flow guide surface is positioned above the ink tank opening.

9. The ink transfer device for soft combining according to claim 8, wherein: the ink reflux unit further comprises two baffles arranged on the diversion surface at intervals along the axial direction of the ink transfer roller, wherein a reflux channel is formed between the two baffles and the diversion surface.

10. The ink transfer device for soft combining according to claim 9, wherein: the front end face of each baffle is attached to the roller surface of the ink transfer roller.