CN216704942U

CN216704942U - Device for preventing air knife feed back caking

Info

Publication number: CN216704942U
Application number: CN202123352596.6U
Authority: CN
Inventors: 张家李
Original assignee: Yixing Jiapulin New Material Co ltd
Current assignee: Yixing Jiapulin New Material Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-06-10
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a device for preventing air knife feed back from caking, which relates to the technical field of air knife coating machines and comprises a coating recycling box, wherein a cover plate is embedded at the top of the coating recycling box, a bracket is welded at the bottom of the coating recycling box, a handle is arranged at the top of the cover plate, a first feed back caking prevention mechanism and a second feed back caking prevention mechanism are arranged on the coating recycling box, the first feed back caking prevention mechanism is arranged on the outer wall of the coating recycling box, the second feed back caking prevention mechanism comprises a driving component, a first mounting component, a first scraping component, a second mounting component and a second scraping component, the driving component is arranged at the bottom of the coating recycling box, the device can cool the coating recycling box, so that the temperature of the side wall of the coating recycling box is reduced, the temperature difference is produced, a cooling water layer can be formed on the inner wall of the coating recycling box, and the coating is effectively prevented from being stuck on the inner wall of the coating recycling box, the cleaning frequency is reduced.

Description

Device for preventing air knife feed back caking

Technical Field

The utility model relates to the technical field of air knife coating machines, in particular to a device for preventing returned materials of an air knife from caking.

Background

An air knife coater, which is composed of a single-roller paper-spreading machine, an air knife and the like, applies a coating to a substrate from a coating roller, blows off excess coating by air flow jetted from the air knife to adjust the thickness of a spreading layer, and simultaneously makes the coating surface smooth and flat, is suitable for coatings with a large solid composition and low drilling degree, such as water-soluble coatings and organosols, and is mainly used for manufacturing high-grade printing paper, recording paper, latex type photosensitive paper and the like.

The existing air knife coating mode for heat sublimation transfer printing paper is more and more common, the coating of the transfer printing paper is generally high in viscosity, the coating is adhered to the inner wall of a recovery box and is difficult to clean, the coating in the recovery box is in an atomized state, water can be continuously taken away by air, the coating is adhered to the box body and is easy to agglomerate, the recovery box is usually required to be cleaned for 3-4 days after continuous coating, and therefore, the development of a device for preventing the agglomeration of returned materials of the air knife is necessary.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a device for preventing air knife return materials from caking, and aims to solve the problems that the existing heat sublimation transfer paper in the background technology is more and more common in an air knife coating mode, the coating of the transfer paper is generally high in viscosity, the coating is adhered to the inner wall of a recovery box and is difficult to clean, the coating is adhered to the box body and is more prone to caking due to the fact that the moisture is continuously taken away by air because the coating in the recovery box is in an atomized state, and the recovery box is often required to be cleaned once after the coating is continuously carried out for 3-4 days.

In order to achieve the purpose, the utility model provides the following technical scheme: a device for preventing air knife feed back from caking comprises a coating recovery box, wherein a cover plate is embedded at the top of the coating recovery box, a support is welded at the bottom of the coating recovery box, a handle is arranged at the top of the cover plate, and a first feed back caking prevention mechanism and a second feed back caking prevention mechanism are arranged on the coating recovery box;

the first feed back caking prevention mechanism is arranged on the outer wall of the coating recovery box;

the second anti-return caking mechanism comprises a driving assembly, a first mounting assembly, a first scraping assembly, a second mounting assembly and a second scraping assembly, wherein the driving assembly is arranged at the bottom of the coating recovery box, and the first mounting assembly, the first scraping assembly, the second mounting assembly and the second scraping assembly are all located inside the coating recovery box.

Preferably, the first material return blocking prevention mechanism comprises a cooling water pipe, and the cooling water pipe is wound on the outer wall of the coating recovery box.

Preferably, drive assembly includes driving motor, driving motor output fixedly connected with pivot, the coating collection box bottom portion is run through on the pivot top, and the first installation component of pivot top fixedly connected with.

Preferably, the first mounting assembly comprises two first mounting plates, opposite ends of the two first mounting plates are welded to the top end of the rotating shaft, the lower surfaces of the two first mounting plates are fixedly connected with the first scraping assembly, and the upper surfaces of the two first mounting plates are fixedly connected with the second mounting assembly.

Preferably, the first scraping component comprises two scraping plates, the upper surfaces of the two scraping plates are fixedly connected to the lower surfaces of the two first mounting plates respectively, and the lower surfaces of the two scraping plates are attached to the bottom of the inner wall of the coating recovery box.

Preferably, the second installation component includes the second mounting panel, second mounting panel quantity is two, two second mounting panel bottom fixed connection is respectively at the upper surface of two first mounting panels, two the one end fixedly connected with second scraper subassembly that the second mounting panel is close to coating collection box inner wall lateral part.

Preferably, the second scraping component comprises two second scraping plates, and two ends, far away from the side part inside the paint recycling bin, of the second scraping plates are fixedly connected to one ends, close to the side part of the inner wall of the paint recycling bin, of the two second mounting plates respectively.

Preferably, one end of each of the two second scrapers close to the side part of the inner wall of the paint recycling bin is attached to the side part of the inner wall of the paint recycling bin.

Compared with the prior art, the utility model has the beneficial effects that:

1. the first feed back blocking prevention mechanism is matched for use, so that the coating recovery box can be cooled, the temperature of the side wall of the coating recovery box is reduced, the temperature difference is produced, a cooling water layer can be formed on the inner wall of the coating recovery box, the coating is effectively prevented from being adhered to the inner wall of the coating recovery box to block, and the cleaning frequency is reduced;

2. the cooperation of preventing feed back caking mechanism through the second that is equipped with is used for drive assembly can drive first installation component and second installation component and rotate at coating collection box inside, thereby makes first scraping the material subassembly and carry out the scraping operation to coating collection box inner wall bottom, and the second is hung the material subassembly and is carried out the scraping operation to coating collection box inner wall lateral part, thereby effectively avoids coating adhesion to cake at coating collection box inner wall once more.

Drawings

FIG. 1 is a structural cross-sectional view of the present invention;

FIG. 2 is a front view of the structure of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 1;

fig. 4 is a schematic three-dimensional structure of the cooling water pipe of the present invention.

In the figure: 1. a paint recycling bin; 2. a cover plate; 3. a support; 4. a handle; 5. a cooling water pipe; 6. a drive motor; 7. a rotating shaft; 8. a first mounting plate; 9. a second mounting plate; 10. a first squeegee; 11. a second squeegee.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

The utility model provides the following technical scheme: referring to fig. 1-4, a device for preventing air knife return material from caking comprises a coating recovery box 1, wherein a cover plate 2 is embedded at the top of the coating recovery box 1, a support 3 is welded at the bottom of the coating recovery box 1, a handle 4 is arranged at the top of the cover plate 2, a first return material caking prevention mechanism and a second return material caking prevention mechanism are arranged on the coating recovery box 1, the first return material caking prevention mechanism is arranged on the outer wall of the coating recovery box 1, the second return material caking prevention mechanism comprises a driving assembly, a first mounting assembly, a first scraping assembly, a second mounting assembly and a second scraping assembly, the driving assembly is arranged at the bottom of the coating recovery box 1, and the first mounting assembly, the first scraping assembly, the second mounting assembly and the second scraping assembly are all located inside the coating recovery box 1;

the first material return agglomeration preventing mechanism comprises a cooling water pipe 5, wherein the cooling water pipe 5 is wound on the outer wall of the coating recycling box 1, so that a worker can add required cooling water into the cooling water pipe 5, the cooling water flows on the outer wall of the coating recycling box 1 through the cooling water pipe 5, the outer wall of the coating recycling box 1 is cooled, the temperature of the side wall of the coating recycling box 1 is reduced, the temperature difference is manufactured, a cooling water layer is formed on the inner wall of the coating recycling box 1, coating is effectively prevented from being adhered on the inner wall of the coating recycling box 1 to agglomerate, and the cleaning frequency is reduced;

the driving assembly comprises a driving motor 6, a rotating shaft 7 is fixedly connected to the output end of the driving motor 6, the top end of the rotating shaft 7 penetrates through the bottom of the coating recovery box 1, a first mounting assembly is fixedly connected to the top end of the rotating shaft 7 and comprises first mounting plates 8, the number of the first mounting plates 8 is two, opposite ends of the two first mounting plates 8 are welded to the top end of the rotating shaft 7, first scraping assemblies are fixedly connected to the lower surfaces of the two first mounting plates 8, second mounting assemblies are fixedly connected to the upper surfaces of the two first mounting plates 8, each first scraping assembly comprises a first scraper 10, the number of the first scrapers 10 is two, the upper surfaces of the two first scrapers 10 are respectively and fixedly connected to the lower surfaces of the two first mounting plates 8, the lower surfaces of the two first scrapers 10 are both attached to the bottom of the inner wall of the coating recovery box 1, so that when the driving motor 6 does work, the first mounting plates 8 can be driven to rotate by the rotating shaft 7, thereby driving the first scraper 10 to rotate, so that the first scraper 10 scrapes the bottom of the inner wall of the paint recovery box 1, and the paint is effectively prevented from adhering to the bottom of the inner wall of the paint recovery box 1 and blocking again;

the second mounting assembly comprises two second mounting plates 9, the bottom ends of the two second mounting plates 9 are fixedly connected to the upper surfaces of the two first mounting plates 8 respectively, one ends of the two second mounting plates 9, which are close to the side parts of the inner wall of the paint recycling bin 1, are fixedly connected with a second scraping assembly, the second scraping assembly comprises two second scraping plates 11, the number of the second scraping plates 11 is two, one ends of the two second scraping plates 11, which are far away from the side parts of the inner wall of the paint recycling bin 1, are fixedly connected to one ends of the two second mounting plates 9, which are close to the side parts of the inner wall of the paint recycling bin 1, respectively, one ends of the two second scraping plates 11, which are close to the side parts of the inner wall of the paint recycling bin 1, are both attached to the side parts of the inner wall of the paint recycling bin 1, so that when the driving motor 6 drives the first mounting plates 8 to rotate through the rotating shaft 7, the second mounting plates 9 can also be driven to rotate, thereby driving the second scraping plates 11 to rotate, thereby enabling the second scraper 11 to scrape the side part of the inner wall of the paint recovery box 1, and effectively avoiding the adhesion of the paint on the side part of the inner wall of the paint recovery box 1 to form lumps again.

The working principle is as follows: firstly, a worker can add required cooling water into the cooling water pipe 5, so that the cooling water flows on the outer wall of the coating recovery box 1 through the cooling water pipe 5, the outer wall of the coating recovery box 1 is cooled, the temperature of the side wall of the coating recovery box 1 is reduced, and the temperature difference is manufactured, so that a cooling water layer is formed on the inner wall of the coating recovery box 1, the coating is effectively prevented from being adhered to the inner wall of the coating recovery box 1 to be caked, and the cleaning frequency is reduced;

secondly, driving motor 6 can be opened to the staff, when driving motor 6 does work, accessible pivot 7 drives first mounting panel 8 and rotates, thereby drive first scraper blade 10 and rotate, thereby make first scraper blade 10 carry out the scraping operation to 1 inner wall bottom of coating collection box, thereby effectively avoid the coating adhesion to agglomerate in 1 inner wall bottom of coating collection box once more, when driving motor 6 drives first mounting panel 8 through pivot 7 and rotates, still can drive second mounting panel 9 and rotate, thereby drive second scraper blade 11 and rotate, thereby make second scraper blade 11 carry out the scraping operation to 1 inner wall lateral part of coating collection box, thereby effectively avoid the coating adhesion to agglomerate at 1 inner wall lateral part of coating collection box once more.

While the utility model has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a prevent device of air knife feed back caking, includes coating collection box (1), apron (2) have been inlayed at coating collection box (1) top, and the welding of coating collection box (1) bottom has support (3), and apron (2) top is equipped with handle (4), its characterized in that: the coating recycling box (1) is provided with a first material returning and caking preventing mechanism and a second material returning and caking preventing mechanism;

the first material return and caking prevention mechanism is arranged on the outer wall of the coating recovery box (1);

the second anti-return caking mechanism comprises a driving assembly, a first mounting assembly, a first scraping assembly, a second mounting assembly and a second scraping assembly, wherein the driving assembly is arranged at the bottom of the coating recovery box (1), and the first mounting assembly, the first scraping assembly, the second mounting assembly and the second scraping assembly are all located inside the coating recovery box (1).

2. An apparatus for preventing agglomeration of an air knife feed back according to claim 1, wherein: the first material return agglomeration preventing mechanism comprises a cooling water pipe (5), and the cooling water pipe (5) is wound on the outer wall of the coating recovery box (1).

3. An apparatus for preventing agglomeration of an air knife feed back according to claim 1, wherein: the coating recycling bin is characterized in that the driving assembly comprises a driving motor (6), a rotating shaft (7) is fixedly connected to the output end of the driving motor (6), the top end of the rotating shaft (7) penetrates through the bottom of the coating recycling bin (1), and a first mounting assembly is fixedly connected to the top end of the rotating shaft (7).

4. An apparatus for preventing agglomeration of an air knife feed back according to claim 3, wherein: first installation component includes first mounting panel (8), first mounting panel (8) quantity is two, two the looks remote site welding of first mounting panel (8) is on pivot (7) top, two first mounting panel (8) fixed surface is connected with first scraping subassembly, two fixed surface is connected with the second installation component on first mounting panel (8).

5. An apparatus for preventing agglomeration of an air knife feed back according to claim 4, wherein: the first scraper assembly comprises two first scrapers (10), the number of the first scrapers (10) is two, the upper surfaces of the first scrapers (10) are fixedly connected to the lower surfaces of the two first mounting plates (8) respectively, and the lower surfaces of the first scrapers (10) are attached to the bottom of the inner wall of the coating recovery box (1).

6. An apparatus for preventing agglomeration of an air knife feed back according to claim 4, wherein: the second installation component comprises a second installation plate (9), the number of the second installation plates (9) is two, two the bottom ends of the second installation plates (9) are fixedly connected to the upper surfaces of the two first installation plates (8) respectively, and the second installation plates (9) are close to one end of the side portion of the inner wall of the coating recovery box (1) and fixedly connected with a second scraping component.

7. An apparatus for preventing agglomeration of an air knife feed back according to claim 6, wherein: the second scrapes the material subassembly and includes second scraper blade (11), second scraper blade (11) quantity is two, two one end that the inside lateral part of coating collection box (1) was kept away from in second scraper blade (11) is fixed connection respectively in two second mounting panels (9) and is close to the one end of coating collection box (1) inner wall lateral part.

8. An apparatus for preventing agglomeration of an air knife feed back according to claim 7, wherein: and one end of each second scraper (11) close to the side part of the inner wall of the paint recovery box (1) is attached to the side part of the inner wall of the paint recovery box (1).