CN216683748U - Sealed scraper system of flexographic printing machine - Google Patents
Sealed scraper system of flexographic printing machine Download PDFInfo
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- CN216683748U CN216683748U CN202023314213.1U CN202023314213U CN216683748U CN 216683748 U CN216683748 U CN 216683748U CN 202023314213 U CN202023314213 U CN 202023314213U CN 216683748 U CN216683748 U CN 216683748U
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Abstract
The utility model discloses a sealed scraper system of a flexographic printing machine. The device comprises a cavity type bracket, an upper scraper, a lower scraper, a reticulate pattern roller and a cavity; the cavity is positioned on the cavity type bracket; the scraper seat is arranged on the cavity; the upper scraper is reversely arranged at the top of the scraper seat and is obliquely arranged with the upper end of the chamber; the lower scraper is positively arranged at the bottom of the scraper seat and is obliquely arranged with the lower end of the cavity; the upper scraper and the lower scraper are arranged oppositely; sealing pieces are respectively arranged at the left end and the right end of the cavity and are positioned between the upper scraper and the lower scraper; the chamber is provided with an ink inlet and an ink outlet; wherein, the number of the ink outlets is two, and the two ink outlets are respectively positioned at two sides of the ink inlet; the ink barrel is connected with the ink inlet through an ink supply pipe; the ink supply pump is arranged on the ink supply pipe and is positioned between the ink barrel and the ink inlet; the ink outlet is connected with the ink barrel through an ink return pipe; the water inlet and the water outlet are both arranged on the chamber. The utility model has the advantages of ensuring the uniformity of ink on the ink roller, saving ink and controlling the volatilization of the solvent.
Description
Technical Field
The utility model relates to a sealed scraper system of a flexographic printing machine.
Background
The flexible printing machine uses fluid printing ink with strong fluidity, the printing ink is transferred to the image-text part of the printing plate by the ink fountain rubber roll and the anilox ink transfer roller and is inked, then printing pressure is applied by the pressure roller to transfer the printing ink on the printing plate to a printing stock, and finally the printing process is completed by the drying surface. It is therefore important to develop a doctor blade system for a flexographic printing machine that ensures ink uniformity on the inking roller!
Disclosure of Invention
The utility model aims to provide a sealed scraper system of a flexographic printing machine, which ensures the uniformity of ink on an ink roller, saves ink, controls the volatilization of a solvent and reduces air pollution.
In order to realize the purpose, the technical scheme of the utility model is as follows: a sealed scraper system of flexographic printing machine which characterized in that: the device comprises a cavity type bracket, an upper scraper, a lower scraper, a reticulate pattern roller and a cavity;
the cavity is positioned on the cavity type bracket; the scraper seat is arranged on the cavity;
the upper scraper is reversely arranged on the top of the scraper seat and is obliquely arranged with the upper end of the chamber;
the lower scraper is positively arranged at the bottom of the scraper seat and is obliquely arranged with the lower end of the cavity; the upper scraper and the lower scraper are arranged oppositely;
sealing sheets are respectively arranged at the left end and the right end of the chamber and are positioned between the upper scraper and the lower scraper;
the chamber is provided with an ink inlet and an ink outlet; wherein, the number of the ink outlets is two, and the two ink outlets are respectively positioned at two sides of the ink inlet;
the ink barrel is connected with the ink inlet through the ink supply pipe; the ink supply pump is arranged on the ink supply pipe and is positioned between the ink barrel and the ink inlet;
the ink outlet is connected with the ink barrel through an ink return pipe;
the water inlet and the water outlet are both arranged on the chamber;
the distributing tray is arranged between the ink outlet and the ink barrel.
In the technical scheme, the cavity is an interlayer cavity, and the cavity is provided with a hollow structure; the water inlet and the water outlet are both connected with the hollow structure.
In the technical scheme, the upper scraper and the lower scraper are plastic scrapers.
In the above technical scheme, the ink supply tube is installed in the middle of the scraper seat.
The utility model has the following advantages:
(1) the reverse scraper (namely, the upper scraper) scrapes ink, and the forward scraper (namely, the lower scraper) plays a role in sealing; the closed ink supply circulation system comprises a reticulate pattern roller, a scraper seat, two scrapers (namely an upper scraper and a lower scraper), sealing sheets at two ends, a chamber, an ink inlet, an ink outlet, an ink barrel, an ink supply pipe, an ink supply pump and an ink return pipe; the ink or the cleaning agent is in a flowing state in the chamber, so that the chamber can be recycled even if a small amount of ink is injected into the chamber, and the chamber can be quickly cleaned by the small amount of the cleaning agent;
(2) the closed scraper system not only saves ink (excess ink on the anilox roller is scraped by the upper scraper), controls solvent volatilization (the solvent volatilization is prevented by the closed chamber formed by the upper scraper, the lower scraper, the sealing sheets at the left end and the right end of the chamber, the anilox roller and the chamber), reduces air pollution, improves the workshop environment of a production enterprise, has a good promoting effect on improving the production efficiency of a terminal user, and obtains good economic benefit and environmental benefit when being popularized and applied in a printing enterprise.
Drawings
FIG. 1 is a schematic view of the ink scraping system of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is a perspective view of the present invention.
A in fig. 1 indicates the rotation direction of the anilox roller; b represents the upper scraper ink scraping direction; c denotes the doctor-blade seal direction.
In fig. 2, a indicates ink, that is, the ink tank, the ink supply tube, the ink return tube, and the chamber are filled with ink; b represents a base material; c denotes a sealed blade chamber.
In the figure, 1-a cavity type support, 2-an upper scraper, 3-a lower scraper, 4-a anilox roller, 5-a cavity, 6-a scraper seat, 7-a sealing sheet, 8-an ink inlet, 9-an ink outlet, 10-an ink barrel, 11-an ink supply pipe, 12-an ink supply pump, 13-an ink return pipe, 14-a water inlet, 15-a water outlet and 16-a dispensing disc.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings, which are not intended to limit the present invention, but are merely exemplary. While the advantages of the utility model will be clear and readily understood by the description.
With reference to the accompanying drawings: a sealed scraper system of a flexographic printing machine comprises a cavity type support 1, an upper scraper 2, a lower scraper 3, a reticulation roller 4 and a cavity 5;
the chamber 5 is positioned on the cavity type bracket 1; the scraper seat 6 is arranged on the cavity 5;
the upper scraper 2 is reversely arranged at the top of the scraper seat 6 and is obliquely arranged with the upper end of the opening end of the cavity 5; the upper scraper 2 plays a role of scraping ink;
the lower scraper 3 is positively arranged at the bottom of the scraper seat 6 and is obliquely arranged with the lower end of the opening end of the cavity 5; the upper scraper 2 and the lower scraper 3 are arranged oppositely; the lower scraper 3 is used for forming a chamber and containing ink;
sealing pieces 7 are respectively arranged at the left end and the right end of the cavity 5 and are positioned between the upper scraper 2 and the lower scraper 3, so that ink leakage is prevented;
the reticulation roller 4, the scraper seat 6, the two scrapers (namely the upper scraper 2 and the lower scraper 3), the two end sealing sheets 7 and the chamber 5 form a closed chamber;
the chamber 5 is provided with an ink inlet 8 and an ink outlet 9; wherein, there are two ink outlets 9, two ink outlets 9 are located at two sides of the ink inlet 8 respectively;
the ink barrel 10 is connected with the ink inlet 8 through an ink supply pipe 11; the ink supply pump 12 is installed on the ink supply pipe 11 and is positioned between the ink barrel 10 and the ink inlet 8;
the ink outlet 9 is connected with the ink barrel 10 through an ink return pipe 13; the ink in the ink barrel 10 is pumped into the chamber 5 by the ink supply pump 12, the ink return pipe 13 has two, connect with two ink outlets 9 separately, the ink scraped off returns to the ink barrel 10 from the ink outlet 9, in this way, go round and go round, form and go back the ink continuously, thus make up a closed ink supply circulation system; the ink or the cleaning agent is in a flowing state in the chamber 5, so that even a small amount of ink is injected into the chamber 5, the ink can be recycled, and the chamber 5 can be quickly cleaned by using a small amount of cleaning agent;
ink required by the printing machine is sprayed to the surface of the anilox roller 4 through an ink inlet 8 and stored in an ink chamber; the utility model adopts a cooling mode to reduce the heat of the ink supply pump 12 or adopts the ink supply pump 12 with a cooling structure, thereby preventing the ink from deteriorating when being heated;
the water inlet 14 and the water outlet 15 are both arranged on the chamber 5;
the distributing tray 16 is arranged between the ink outlet 9 and the ink barrel 10 to prevent ink leakage.
Further, the chamber 5 is a sandwich chamber, and the chamber 5 is provided with a hollow structure; the water inlet 14 and the water outlet 15 are both connected with the hollow structure; the temperature of the sealed scraper system of the flexographic printing machine is controlled by inputting cooling water through the water inlet 14, so that the printing ink is prevented from deteriorating when heated.
Furthermore, the sealing sheet 7 is wear-resistant and heat-resistant or provided with a cooling device, so that the problems of heat generation and ink leakage caused by friction between the sealing sheet and the anilox roller are solved; in the production process of the flexo printing machine, when the frame shakes, the utility model solves the problem of position offset caused by the connection of the scraper and the frame through the sealing sheet 7.
Furthermore, a proper blade is selected to avoid the leakage of a blade tail seal; go up scraper 2 and lower scraper 3 and be the plastics scraper, have good toughness, be difficult for receiving the solvent to corrode, do not have any metal particle to block up the mesh, low wiping pressure, the life of extension scraper and roller to laminate the roller more, have good wiping effect.
Further, an ink supply tube 11 is installed in the middle of the doctor holder, and the flow rate of the pump is adjusted so that the ink therein is stably supplied into the chamber 5 and returned to the ink tank 10.
Further, the working end (i.e., the doctor end) of the upper doctor blade 2 has a blade tangent to the anilox roller 4;
the working end (i.e. the sealing end) of the lower scraper 3 is bent obliquely upwards and then tangent to the anilox roller 4.
The utility model also comprises a seal, a gasket, a pressing plate and the like; the scraper, the seal, the liner and the pressing plate are all arranged on a cavity type bracket, the scraper, the seal, the liner and the pressing plate are pushed to a reticulation roller 4 in a mechanical mode (or pneumatic or hydraulic), certain pressure is applied, and then an ink supply pipe and an ink return pump pipe are respectively connected to an ink supply pump and an ink barrel.
The working principle of the utility model is as follows: through the ink supply device (namely, the ink inlet and the ink outlet, the ink barrel, the ink supply pipe, the ink supply pump and the ink return pipe) of the sealed scraper system of the flexographic printing machine, the chamber 5 is filled with ink to be treated, and the mesh holes of the anilox roller 4 are filled with the ink under the action of pressure and the rotation of the anilox roller 4; when the anilox roller 4 leaves ink, ink on the surface of the anilox roller is scraped off by the upper scraper 2, and the anilox roller 4 filled with the ink in a dot is in contact with a substrate, the ink is transferred onto the substrate under the pressurization of a pressure roller or the wrap angle pressure of the substrate, and the scraped ink falls back into the chamber 5, so that the ink is saved; the upper scraper 2 and the lower scraper 3 of the sealed scraper system of the flexographic printing machine, the sealing sheets 7 at two ends and the anilox roller 4 act together, so that the sealing performance of the system is ensured, and the volatilization of a solvent is controlled.
Other parts not described belong to the prior art.
Claims (2)
1. A sealed scraper system of flexographic printing machine which characterized in that: comprises a cavity type bracket (1), an upper scraper (2), a lower scraper (3), a reticulate pattern roller (4) and a cavity (5);
the cavity (5) is positioned on the cavity type bracket (1); the scraper seat (6) is arranged on the cavity (5);
the upper scraper (2) is reversely arranged at the top of the scraper seat (6) and is obliquely arranged with the upper end of the cavity (5);
the lower scraper (3) is positively arranged at the bottom of the scraper seat (6) and is obliquely arranged with the lower end of the cavity (5); the upper scraper (2) and the lower scraper (3) are arranged oppositely;
the sealing pieces (7) are respectively arranged at the left end and the right end of the cavity (5) and are positioned between the upper scraper (2) and the lower scraper (3);
the chamber (5) is provided with an ink inlet (8) and an ink outlet (9); wherein, the number of the ink outlets (9) is two, and the two ink outlets (9) are respectively positioned at two sides of the ink inlet (8);
the ink barrel (10) is connected with the ink inlet (8) through an ink supply pipe (11); the ink supply pump (12) is arranged on the ink supply pipe (11) and is positioned between the ink barrel (10) and the ink inlet (8);
the ink outlet (9) is connected with the ink barrel (10) through an ink return pipe (13);
the water inlet (14) and the water outlet (15) are both arranged on the chamber (5);
the distributing tray (16) is arranged between the ink outlet (9) and the ink barrel (10);
the distributing tray (16) is arranged between the ink outlet (9) and the ink barrel (10) to prevent ink leakage;
the upper scraper (2) and the lower scraper (3) are plastic scrapers;
the working end of the lower scraper (3) is bent upwards in an inclined way and then tangent with the anilox roller (4);
the cavity (5) is an interlayer cavity, and the cavity (5) is provided with a hollow structure; the water inlet (14) and the water outlet (15) are both connected with the hollow structure.
2. The sealed doctor blade system of a flexographic printing press according to claim 1, characterized in that: the ink supply pipe (11) is arranged in the middle of the scraper seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023314213.1U CN216683748U (en) | 2020-12-31 | 2020-12-31 | Sealed scraper system of flexographic printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023314213.1U CN216683748U (en) | 2020-12-31 | 2020-12-31 | Sealed scraper system of flexographic printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216683748U true CN216683748U (en) | 2022-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023314213.1U Active CN216683748U (en) | 2020-12-31 | 2020-12-31 | Sealed scraper system of flexographic printing machine |
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| CN (1) | CN216683748U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115447275A (en) * | 2022-10-14 | 2022-12-09 | 青岛嘉泽包装有限公司 | Offset press coating unit cavity type scraper capable of transversely moving in series and scraping method thereof |
-
2020
- 2020-12-31 CN CN202023314213.1U patent/CN216683748U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115447275A (en) * | 2022-10-14 | 2022-12-09 | 青岛嘉泽包装有限公司 | Offset press coating unit cavity type scraper capable of transversely moving in series and scraping method thereof |
| CN115447275B (en) * | 2022-10-14 | 2023-12-15 | 青岛嘉泽包装有限公司 | Offset press coating unit cavity type scraper capable of transversely moving in series and scraping method thereof |
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