阅读说明：本技术 柔印装置中的油墨供给机构 (Ink supply mechanism in flexo printing device ) 是由 秦俊 王新祥 吴超 柳涛 于 2019-12-06 设计创作，主要内容包括：本发明提供了一种柔印装置中的油墨供给机构,属于机械技术领域。它解决了现有技术存在着稳定性差的问题。本柔印装置中的油墨供给机构包括定位板、弹簧和储油槽,上述定位板固连在机架上且定位板位于辊轴上部,上述储油槽内部为空腔且下部开口,所述储油槽位于定位板与辊轴之间,上述弹簧位于定位板与储油槽之间,在弹簧的弹力作用下储油槽下端口处具有抵靠在辊轴上侧的趋势,所述储油槽中部处具有出油组件。本柔印装置中的油墨供给机构稳定性高。(The invention provides an ink supply mechanism in a flexo printing device, and belongs to the technical field of machinery. It has solved prior art and has had the poor problem of stability. This printing ink feed mechanism in gentle printing device includes locating plate, spring and oil storage tank, and above-mentioned locating plate links firmly in the frame and the locating plate is located roller upper portion, and above-mentioned oil storage tank is inside to be cavity and lower part opening, the oil storage tank is located between locating plate and the roller, and above-mentioned spring is located between locating plate and the oil storage tank, and port department has the trend of leaning on at the roller upside under the elastic force effect of spring under the oil storage tank, oil storage tank middle part department has the oil outlet subassembly. The ink supply mechanism in the flexo printing device has high stability.)

1. An ink supply mechanism in a flexible printing device, the flexible printing device comprises a frame and a roller shaft axially and fixedly connected on the frame, the roll shaft comprises an inner roll and an outer roll, the inner roll is cylindrical and made of metal materials, the outer roll is cylindrical and made of flexible materials, the outer roll is sleeved on the inner roll and fixedly connected with the inner roll, it is characterized in that the feeding mechanism comprises a positioning plate, a spring and an oil storage tank, the positioning plate is fixedly connected on the frame and positioned at the upper part of the roll shaft, the inside of the oil storage tank is a cavity and the lower part of the oil storage tank is opened, the oil storage tank is positioned between the positioning plate and the roller shaft, the spring is positioned between the positioning plate and the oil storage tank, the oil storage tank lower port department has the trend that leans on at the roller upside under the spring action, oil storage tank middle part department has the oil outlet subassembly, and above-mentioned oil outlet subassembly separates the oil storage tank for two adjacent cavitys from top to bottom: the first cavity is positioned at the upper part of the second cavity and used for storing ink, and the ink in the first cavity can enter the second cavity within set time under the action of the oil outlet assembly.

2. The ink supply mechanism in a flexo printing device according to claim 1, wherein the reservoir port has a contact edge projecting outward, the contact edge matching the outside of the roller shaft and being in surface contact with both sides.

3. The ink supply mechanism in a flexo printing device according to claim 2, wherein the contact edge has a rounded transition at the end.

4. The ink supply mechanism in a flexo printing device according to claim 3, wherein the contact edge is of an integral structure with the reservoir.

5. The ink supply mechanism in a flexo printing device according to claim 4, wherein the upper part of the oil reservoir has a cylindrical positioning cylinder, and the positioning cylinder communicates with the inner cavity of the oil reservoir.

6. The apparatus of claim 5, wherein the spring is fitted at its lower end to the positioning cylinder.

7. The flexo printing device ink supply mechanism according to claim 6, wherein the positioning plate has a spring seat having a cylindrical shape, and the upper end of the spring is fitted over the spring seat.

8. The apparatus according to claim 7, wherein the oil discharging unit comprises a plate-shaped partition plate having a plurality of through holes formed therethrough, the through holes having a conical shape and a large-sized end of the through hole being located at an upper portion of the partition plate.

9. The ink supply mechanism of a flexo printing device according to claim 8, wherein the top to the port of the inner cavity of the oil storage tank is provided with a first inclined positioning surface, the edge of the partition plate is provided with a second positioning surface matched with the first positioning surface, and the second positioning surface is in contact with the first positioning surface.

10. The ink supply mechanism in a flexo printing device according to claim 9, wherein the number of the positioning cylinders is two and two positioning cylinders are respectively close to both ends of the oil reservoir.

Technical Field

The invention belongs to the technical field of machinery, and relates to an ink supply mechanism in a flexo printing device.

Background

In the process of flexo printing, in order to ensure the continuity and stability of printing, the roller of the flexo printing device needs to be continuously supplied with ink.

In the existing flexo printing device, the roller is usually uniformly soaked in ink, and the roller can always have the ink. However, too much ink enters the roller, which results in poor print quality and also results in good ink and poor stability.

Disclosure of Invention

The present invention has been made in view of the above problems of the prior art, and an object of the present invention is to provide an ink supply mechanism in a flexo printing device having high stability and a compact structure.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a printing ink feed mechanism in gentle seal device, gentle seal device include that frame and axial link firmly the roller in the frame, the roller includes interior roller and outer roller, and the roller is cylindricly and is metal material in the aforesaid, and the above-mentioned outer roller is cylindricly and is flexible material, and just both link firmly mutually on the interior roller for the above-mentioned outer roller, and its characterized in that, this feed mechanism includes locating plate, spring and oil storage tank, and above-mentioned locating plate links firmly in the frame and the locating plate is located roller upper portion, and above-mentioned oil storage tank is inside to be cavity and lower part opening, the oil storage tank is located between locating plate and the roller, and above-mentioned spring is located between locating plate and the oil storage tank, and port department has the trend of leaning on at the roller upside under the elastic force effect of spring, oil storage tank middle part department has the oil production subassembly, and above-mentioned oil production subassembly: the first cavity is positioned at the upper part of the second cavity and used for storing ink, and the ink in the first cavity can enter the second cavity within set time under the action of the oil outlet assembly.

The feeding mechanism is creatively arranged between the positioning plate and the roller shaft, the structure ensures that the upper part of the roller shaft can continuously have proper printing ink, and corresponding patterns or characters can be stably formed on a printed object in the rotating process of the roller shaft.

Specifically, viscous ink is prestored in the oil reservoir. Because the both ends of spring are used in on locating plate and the oil storage tank respectively, consequently, the stable support of oil storage tank is at the roller lateral part under the spring action of spring, and printing ink in the oil storage tank can be smooth and easy and stable continuous entering roller department.

The ink with viscosity is stored in the cavity, and the appropriate ink enters the second cavity under the action of the oil outlet assembly, and the lower port of the second cavity is positioned right above the roller shaft. Therefore, the proper amount of ink can be finally fed to the roller.

In the ink supply mechanism in the above-described flexo device, the oil reservoir port has a contact edge projecting outward, and the contact edge is in surface contact with the outside of the roller shaft.

Through the area of contact along increasing the oil storage tank and the contact area of roller, guarantee that the oil storage tank is stable to be located roller upper portion.

In the ink supply mechanism in the flexo printing device described above, the contact edge has a transition portion at an end portion thereof in a rounded corner shape.

The contact can be avoided from causing scratches to the roller shaft under the action of the transition part.

In the ink supply mechanism in the above-described flexo device, the contact edge and the oil reservoir are integrally formed.

This can suitably improve the compactness thereof.

In the ink supply mechanism in the flexo printing device, the upper part of the oil storage tank is provided with a cylindrical positioning cylinder, and the positioning cylinder is communicated with the inner cavity of the oil storage tank.

In the ink supply mechanism of the flexo printing device, the lower end of the spring is sleeved on the positioning cylinder.

The positioning cylinder has two functions:

firstly, ink can be conveniently added into the cavity I through the positioning cylinder;

secondly, the end part of the spring is positioned, and the spring is prevented from falling off.

In the ink supply mechanism of the flexo printing device, the positioning plate is provided with a cylindrical spring seat, and the upper end of the spring is sleeved on the spring seat.

The upper end of the spring can be stably positioned through the spring seat.

In the above ink supply mechanism of the flexo printing device, the oil outlet assembly includes a flat-plate-shaped partition plate, the partition plate has a plurality of through holes therethrough, the through holes are conical, and the large-sized ends of the through holes are located at the upper portion of the partition plate.

Due to the small size of the through holes, only a small amount of ink of a proper amount passes through the partition plate. Therefore, the roller shaft can be ensured to always have a proper amount of printing ink, and the printing stability is ensured.

In the printing ink supply mechanism in the flexo printing device, the top part to the port of the inner cavity of the oil storage tank is a first inclined positioning surface, the edge of the partition plate is provided with a second positioning surface matched with the first positioning surface, and the second positioning surface is in contact with one surface of the positioning surface.

The structure enables the partition plate to be stably positioned in the middle of the oil storage cavity and enables the partition plate to be stably connected with the oil storage tank.

In the ink supply mechanism in the above-described flexo printing device, the number of the positioning cylinders is two and the two positioning cylinders are respectively close to both ends of the oil reservoir.

Two location section of thick bamboo enable the stable atress in oil storage tank both ends, improve the stability of whole mechanism.

Compared with the prior art, the ink supply mechanism in the flexo printing device has the advantages that the oil storage tank is always and stably positioned at the upper part of the roller shaft, so that ink can continuously enter the roller shaft in a proper amount, the ink supply of the mechanism is stable, and the stability is higher.

Meanwhile, the oil storage tank is stably positioned between the roll shaft and the positioning plate, so that the structure is compact and the practical value is high.

Drawings

Fig. 1 is a schematic sectional view of an ink supply mechanism in the present flexo printing device.

Fig. 2 is a schematic sectional view of an ink reservoir in the ink supply mechanism of the present flexo printing device.

In the figure, 1, a frame; 2. a roll shaft; 3. positioning a plate; 3a, a spring seat; 4. a spring; 5. an oil storage tank; 5a, a first cavity; 5b, a second cavity; 5c, a contact edge; 5c1, transition; 5d, positioning a cylinder; 6. a separator.

Detailed Description

As shown in figure 1, the flexo printing device comprises a frame 1 and a roll shaft 2 axially fixedly connected to the frame, the roll shaft 2 comprises an inner roll and an outer roll, the inner roll is cylindrical and made of metal materials, the outer roll is cylindrical and made of flexible materials, and the outer roll is sleeved on the inner roll and fixedly connected with the inner roll and the outer roll.

As shown in fig. 1 and 2, this printing ink feed mechanism in gentle printing device includes locating plate 3, spring 4 and oil storage tank 5, and above-mentioned locating plate 3 links firmly in frame 1 and locating plate 3 is located 2 upper portions of roller, and above-mentioned oil storage tank 5 is inside to be cavity and lower part opening, oil storage tank 5 is located between locating plate 3 and the roller 2, and above-mentioned spring 4 is located between locating plate 3 and the oil storage tank 5, and 5 lower port departments of oil storage tank have the trend of leaning on the 2 upsides of roller under spring 4's the elastic force effect, 5 middle part departments of oil storage tank have the subassembly of producing oil, and above-mentioned subassembly of producing oil separates oil storage tank 5 for upper and lower two adjacent cavitys: the ink-jet printing device comprises a first cavity 5a and a second cavity 5b, wherein the first cavity 5a is positioned at the upper part of the second cavity 5b, the first cavity 5a is used for storing ink, and the ink in the first cavity 5a can enter the second cavity 5b within a set time under the action of the oil outlet assembly.

The port of the oil storage tank 5 is provided with a contact edge 5c protruding towards the outer side, and the contact edge 5c is matched with the outer side of the roller shaft 2 and is in surface contact with the outer side of the roller shaft.

The contact edge 5c has a rounded transition 5c1 at the end.

The contact edge 5c and the oil storage tank 5 are of an integrated structure.

The upper part of the oil storage tank 5 is provided with a cylindrical positioning cylinder 5d, and the positioning cylinder 5d is communicated with the inner cavity of the oil storage tank 5.

The lower end of the spring 4 is sleeved on the positioning cylinder 5 d.

The positioning plate 3 is provided with a cylindrical spring seat 3a, and the upper end of the spring 4 is sleeved on the spring seat 3 a.

The oil outlet assembly comprises a flat-plate-shaped partition plate 6, a plurality of through holes are formed in the partition plate 6, the through holes are conical, and the large-size ends of the through holes are located at the upper portion of the partition plate 6.

The top of the inner cavity of the oil storage tank 5 to the port is provided with a first inclined positioning surface, the edge of the partition plate 6 is provided with a second positioning surface matched with the first positioning surface, and the second positioning surface is in contact with one surface of the positioning surface.

The number of the positioning cylinders 5d is two, and the two positioning cylinders 5d are respectively close to two ends of the oil storage tank 5.

The feeding mechanism is creatively arranged between the positioning plate and the roller shaft, the structure ensures that the upper part of the roller shaft can continuously have proper printing ink, and corresponding patterns or characters can be stably formed on a printed object in the rotating process of the roller shaft.

Specifically, viscous ink is prestored in the oil reservoir. Because the both ends of spring are used in on locating plate and the oil storage tank respectively, consequently, the stable support of oil storage tank is at the roller lateral part under the spring action of spring, and printing ink in the oil storage tank can be smooth and easy and stable continuous entering roller department.

The ink with viscosity is stored in the cavity, and the appropriate ink enters the second cavity under the action of the oil outlet assembly, and the lower port of the second cavity is positioned right above the roller shaft. Therefore, the proper amount of ink can be finally fed to the roller.