CN218982097U - Secondary coating device for paper web surface supplementary coating - Google Patents
Secondary coating device for paper web surface supplementary coating Download PDFInfo
- Publication number
- CN218982097U CN218982097U CN202222268570.1U CN202222268570U CN218982097U CN 218982097 U CN218982097 U CN 218982097U CN 202222268570 U CN202222268570 U CN 202222268570U CN 218982097 U CN218982097 U CN 218982097U
- Authority
- CN
- China
- Prior art keywords
- coating
- paper web
- plate
- scraper
- back roller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model discloses a secondary coating device for paper web surface supplementary coating, which is used for the secondary supplementary coating of paper web after the spraying coating of a die, and comprises a coating back roller, wherein a clamping mechanism is arranged beside the lower part of the axis of the coating back roller; the clamping plate at the lower side of the clamping mechanism is provided with the scraper flow baffle which corresponds to the surface of the paper web supported by the coating back roller and is used for receiving a scraper or a metering rod to scrape down the coating, the scraper flow baffle and the surface of the paper web supported by the coating back roller form a dynamic coating pool which floats to hold and scrape down the coating and is used for prolonging the time of soaking the paper web in the coating liquid to carry out secondary coating, the problem of uneven coating and coating leakage caused by the bubble contained in the coating liquid is solved, and the coating quality is effectively improved.
Description
[ field of technology ]
The utility model relates to a coating technology, in particular to a secondary coating device for paper web surface supplementary coating.
[ background Art ]
In the coating production and processing process, the coating of the coating machine is divided into a roller type feeding and a die spraying type, wherein the roller type feeding is divided into a smooth roller sizing coating and an anilox roller sizing coating, the smooth roller sizing coating adopts a high-precision smooth roller for sizing coating, the coating effect is good, the coating amount can be flexibly controlled through micro-adjustment of a coating scraper, and the coating precision is high; the anilox roller sizing coating adopts the anilox roller to carry out sizing coating, and the coating is even, but the coating amount is difficult to adjust. The coating amount is mainly related to the mesh depth of the anilox roll and the viscosity of the glue. The deeper the cells of the anilox roller, the correspondingly greater the amount of glue transferred from the cells to the substrate; conversely, the shallower the anilox roll cells, the correspondingly reduced amount of gum transferred to the substrate. The viscosity of the glue is too large and too small, which is not beneficial to the normal transfer of the glue, the glue is too viscous and easy to transfer, and too thin is easy to flow, so that the glue is uneven, and longitudinal or transverse flow lines are easy to generate. Therefore, once the kinds of anilox roller and glue are determined, it is difficult to adjust the coating amount thereof, which is also a main reason that the application of anilox roller coating is limited.
The die spray coating is suitable for high-speed coating (the speed is greater than 500 m/min), the paper web is supported by a coating back roller, the die nozzle sprays excessive coating on the moving paper web rapidly, and the coating amount of the paper surface is accurately measured by a measuring rod or a scraper to reach the target coating amount. However, if the spray state of the nozzle of the die is not ideal, or the coating contains more bubbles, the paper web can have defects of uneven coating or bubble missing coating points, and the coating quality of the product is affected.
[ utility model ]
The utility model provides a secondary coating device for paper web surface supplementary coating, which aims at the problems of uneven coating or bubble missing coating points in a paper web coated by a die spraying type coating method, adopts secondary supplementary coating to the paper web, solves the problems of uneven coating and missing coating caused by bubble contained in coating liquid, and effectively improves the coating quality.
The technical scheme adopted by at least one embodiment of the utility model is as follows:
the embodiment of the utility model provides a secondary coating device for paper web surface supplementary coating, which is used for the paper web secondary supplementary coating after die spraying coating and comprises a coating back roller;
a clamping mechanism is arranged beside the lower part of the axis of the coating back roller, and the upper side of the clamping mechanism is provided with a scraper or a metering rod which is parallel to the axial direction of the coating back roller and is close to the surface of a paper web supported by the coating back roller and used for scraping the sprayed coating from the paper surface;
and a scraper flow baffle which corresponds to the surface of the paper web supported by the coating back roller and is used for receiving a scraper or a metering rod to scrape off the coating is arranged on a clamping plate at the lower side of the clamping mechanism, and the scraper flow baffle and the surface of the paper web supported by the coating back roller form a dynamic coating pool which is used for floating and accommodating the scraped off coating and prolonging the time of soaking the paper web in the coating liquid to carry out secondary coating.
Preferably, the scraper baffle plate is composed of a base plate, a turning connecting plate and an inclined bearing plate which are connected with each other, the base plate is fixedly installed on a clamping plate at the lower side of the clamping mechanism through bolts, and the inclined bearing plate is located at the lower side of the scraper or the metering rod and is connected to the base plate in an elastic cantilever shape through the turning connecting plate.
Preferably, the inclined support plate is inclined from the bending connection point of the turning connection plate, the top side of which is close to the free end of the scraper or the measuring rod and gradually inclines towards the surface of the paper web supported by the opposite coating back roller.
Preferably, the base plate, the turning connecting plate and the inclined bearing plate on the scraper flow baffle are integrally bent and formed by stainless steel thin plates with the thickness of 2 mm.
Preferably, a thin-wall soft rubber sealing gasket for connecting the base plate and the clamping plate is also arranged between the base plate and the clamping plate at the lower side of the clamping mechanism.
Preferably, the lower edge of the base plate is provided with a plurality of U-shaped grooves fastened to the clamping plate by stainless steel bolt locks.
The beneficial effects of the utility model are as follows:
in the coating production, a scraper or a metering rod which is positioned and fixed by a clamping mechanism is arranged at the side of the lower part of the axis of a coating back roller, the coating sprayed on the surface of a paper web supported by the coating back roller is scraped off the paper surface by the scraper or the metering rod and is supported by the clamping mechanism connected with a clamping plate at the lower side of the clamping mechanism, so that a dynamic coating pool which is used for floatingly accommodating and scraping the coating and realizing secondary coating is formed on the surface of a scraper flow baffle plate and the paper web supported by the coating back roller, the dynamic coating pool can enable the paper web to soak the coating liquid for a longer time to achieve secondary coating, thereby reducing the risk of coating leakage of the paper surface,
through increasing scraper fender flow board after for the scraper coating head in the coating production is stronger to the adaptability of high-speed coating, can effectively overcome the coating and contain the bubble, or the mould coating is inhomogeneous, causes the problem that paper coating quality is not high, effectively reduces the coating surface fabric and thin, bubble and leak the scheduling problem.
[ description of the drawings ]
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a front view of a doctor blade baffle in accordance with an embodiment of the present utility model;
FIG. 3 is an enlarged schematic side view of a doctor blade baffle in accordance with an embodiment of the utility model;
fig. 4 is a schematic view of a partial enlarged structure of a scraper blade according to an embodiment of the present utility model.
[ detailed description ] of the utility model
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a secondary coating device for paper web surface replenishment coating, as shown in fig. 1 to 4, be used for the paper web secondary replenishment coating after the mould spraying coating, including coating back roll 1, the axle center lower part side of coating back roll 1 is equipped with a fixture 2, be provided with near the paper web surface that coating back roll 1 supported along coating back roll 1 axial parallel in fixture 2 upside, be used for scraping the coating of spraying from the paper surface, install on the splint 20 of fixture 2 downside and be corresponding to the paper web surface that coating back roll 1 supported, be used for accepting scraper or measuring stick 3 to scrape down the scraper baffle 4 of coating, scraper baffle 4 forms the floating hold with the paper web surface that coating back roll 1 supported and scrapes down the coating, be used for prolonging the paper web and soak the dynamic "coating pond" 5 of coating liquid time secondary coating.
As further shown in fig. 1 to 4, the doctor blade baffle 4 is composed of a base plate 40, a turning connection plate 41 and an inclined support plate 42 which are connected to each other, wherein the base plate 40, the turning connection plate 41 and the inclined support plate 42 are integrally bent and formed by stainless steel thin plates of SUS304 or 316 type having a thickness of 2mm in order to prevent corrosion in long-term use, because the paint in the coating is generally weak corrosive.
In specific implementation, one side of a stainless steel sheet is turned over for 81 degrees to form a base plate 40, then the inside of the stainless steel sheet is turned over for 90 degrees to form a turning connection plate 41, and then the other outer side of the stainless steel sheet is turned over for 120 degrees on the basis of the turning connection plate 41 to form an inclined bearing plate 42; the base plate 40 is fixedly arranged on the clamping plate 20 at the lower side of the clamping mechanism 2 through stainless steel bolts (not shown), a plurality of U-shaped grooves 400 which are fixedly locked on the clamping plate 20 through the stainless steel bolts are formed at the lower edge of the base plate 40, and a thin-wall soft rubber sealing gasket 6 for sealing connection between the base plate 40 and the clamping plate 20 is also arranged between the base plate 40 and the clamping plate 20; the inclined support plate 42 is located at the lower side of the doctor blade or the metering rod 3 and is connected to the base plate 40 in an elastic cantilever manner through a turning connection plate 41, and the inclined support plate 42 is arranged at an inclined position from the top side near the free end of the doctor blade or the metering rod 3 to the bending connection position of the turning connection plate 41 which is gradually inclined and folded towards the surface of the paper web supported by the opposite coating back roller 1.
In this embodiment, the scraper flow baffle is fixed on its surface by the holding mechanism, so that the paint scraped by the metering rod or scraper from the paper surface is formed into a dynamic paint pool between the scraper flow baffle and the surface of the paper web supported by the back roller, so that the paper web can be soaked for a longer time to realize secondary coating, and the risk of missing the paper surface is reduced.
In the description of the present utility model, it should be noted that, the azimuth or positional relationship indicated by the terms "upper", "top", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore, should not be construed as limiting the present utility model.
The above embodiments are merely preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model, but all equivalent changes according to the shape, construction and principle of the present utility model are intended to be included in the scope of the present utility model.
Claims (6)
1. A secondary coating device for the secondary coating of a paper web surface after the spray coating of a die, which is characterized by comprising a coating back roller;
a clamping mechanism is arranged beside the lower part of the axis of the coating back roller, and the upper side of the clamping mechanism is provided with a scraper or a metering rod which is parallel to the axial direction of the coating back roller and is close to the surface of a paper web supported by the coating back roller and used for scraping the sprayed coating from the paper surface;
and a scraper flow baffle which corresponds to the surface of the paper web supported by the coating back roller and is used for receiving a scraper or a metering rod to scrape off the coating is arranged on a clamping plate at the lower side of the clamping mechanism, and the scraper flow baffle and the surface of the paper web supported by the coating back roller form a dynamic coating pool which is used for floating and accommodating the scraped off coating and prolonging the time of soaking the paper web in the coating liquid to carry out secondary coating.
2. A secondary coating apparatus for the complementary coating of a paper web surface according to claim 1, characterized in that: the scraper baffle plate consists of a base plate, a turning connecting plate and an inclined bearing plate which are connected with each other, the base plate is fixedly installed on a clamping plate at the lower side of the clamping mechanism through bolts, and the inclined bearing plate is positioned at the lower side of the scraper or the metering rod and is connected onto the base plate in an elastic cantilever shape through the turning connecting plate.
3. A secondary coating apparatus for the complementary coating of a paper web surface according to claim 2, characterized in that: the inclined supporting plate is obliquely arranged at the bending connection part of the turning connection plate, the top side of the bending connection plate is close to the free end of the scraper or the measuring rod, and the bending connection part is gradually inclined towards the surface of the paper web supported by the opposite coating back roller.
4. A secondary coating apparatus for the complementary coating of a paper web surface according to claim 2, characterized in that: the base plate, the turning connecting plate and the inclined bearing plate on the scraper flow baffle are integrally bent and formed by stainless steel thin plates with the thickness of 2 mm.
5. A secondary coating apparatus for the complementary coating of a paper web surface according to claim 2, characterized in that: a thin-wall soft rubber sealing gasket for connecting the base plate and the clamping plate is also arranged between the base plate and the clamping plate at the lower side of the clamping mechanism.
6. A secondary coating apparatus for the complementary coating of a paper web surface according to claim 2, characterized in that: the lower edge of the base plate is provided with a plurality of U-shaped grooves which are fastened on the clamping plate through stainless steel bolt locks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222268570.1U CN218982097U (en) | 2022-08-26 | 2022-08-26 | Secondary coating device for paper web surface supplementary coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222268570.1U CN218982097U (en) | 2022-08-26 | 2022-08-26 | Secondary coating device for paper web surface supplementary coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218982097U true CN218982097U (en) | 2023-05-09 |
Family
ID=86218615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222268570.1U Active CN218982097U (en) | 2022-08-26 | 2022-08-26 | Secondary coating device for paper web surface supplementary coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218982097U (en) |
-
2022
- 2022-08-26 CN CN202222268570.1U patent/CN218982097U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101862722B (en) | Pre-metering roll type coating device | |
| TW200618867A (en) | Gravure coating apparatus | |
| US4301583A (en) | Fluid metering roller | |
| CN107252760B (en) | Single-groove double-roller secondary coating structure | |
| CN218982097U (en) | Secondary coating device for paper web surface supplementary coating | |
| CN109876994B (en) | Bubble-free gravure coating device and coating process for aluminum plastic film | |
| CN202466310U (en) | White board coating device | |
| CN213947770U (en) | Automatic scraping device of printing machine | |
| CN202030991U (en) | Surface sizing machine | |
| CN203610278U (en) | Coating machine for coating front side and back side | |
| KR930007334B1 (en) | Apparatus for supplying gravure | |
| CN201816269U (en) | Gravure immersion inking device | |
| JP2011067977A (en) | Chamber type ink supply device | |
| CN215152869U (en) | Printing machine for printing PE film | |
| CN206781210U (en) | A kind of offset press ink-feeding device | |
| CN209799276U (en) | Putty scraper blade | |
| CN102974497B (en) | A kind of novel micro-gravure coating apparatus | |
| CN202965434U (en) | Gravure printing machine | |
| JP2011056352A (en) | Coating method and coating apparatus | |
| CN115972762A (en) | Novel laser engraving structure mesh roller | |
| CN208789266U (en) | A kind of fountain inking device for soft version rotary press | |
| WO2014149853A1 (en) | Coating head for printers and coaters | |
| CN211968779U (en) | Novel flexible printed board assembly | |
| CN211684083U (en) | Ceramic anilox roller | |
| CN216322921U (en) | Glue spreader |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |