CN216500418U

CN216500418U - Coating structure of release film protective film

Info

Publication number: CN216500418U
Application number: CN202122172623.5U
Authority: CN
Inventors: 许晋嘉; 冯彬; 李益玮; 施绍富; 杨雍华; 涂青青
Original assignee: Foshan Jiashida Film Technology Co ltd
Current assignee: Foshan Jiashida Film Technology Co ltd
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-05-13
Anticipated expiration: 2031-09-08

Abstract

The utility model belongs to the technical field of release film processing, and discloses a coating structure of a release film protective film, which comprises a substrate, wherein a coating mechanism, a drying mechanism and a material receiving assembly are sequentially arranged on the substrate from one end to the other end, one side of the coating mechanism, which is far away from the drying mechanism, and two sides of the drying mechanism are respectively provided with a material conveying assembly, the drying mechanism comprises a drying box, and an air distribution plate and a dehumidifying plate are sequentially arranged in the drying box from top to bottom, in the utility model, the air distribution plate is arranged above the dehumidifying plate in the drying box, the centers of the tops of two air collection cavities of the air distribution plate are respectively connected with an air inlet pipe, the lengths and the inner diameters of the two air inlet pipes are equal and are connected with an air outlet pipe of a fan, the air flow entering each air collection cavity is ensured to be the same, the bottom of the air collection cavity is provided with a plurality of vent holes, and the apertures of the vent holes are gradually increased from the center to the periphery, the uniformity of the air flow flowing to the air distribution plate is improved, and the utilization rate of the dry particles is improved.

Description

Coating structure of release film protective film

Technical Field

The utility model belongs to the technical field of release film processing, and particularly relates to a coating structure of a release film protective film.

Background

The release film is a material commonly used for thermal transfer printing, and is usually prepared by using PET as a substrate and coating silicone oil through coating equipment. The release film has good adsorptivity, adhesiveness and release force, is convenient to replace, and is widely applied to the industrial fields of packaging, printing, toilet paper, adhesive products and the like. The coating equipment comprises a coating mechanism, a drying mechanism and a material receiving assembly.

When the current coating structure from type membrane protection film was dried, install the dehumidification board in the drying cabinet, dehumidify the air, circulate it after heating again and leave the type membrane surface, reach good stoving effect, nevertheless the air current that the fan blew in the drying cabinet concentrates on a certain department on the dehumidification board, the distribution is uneven, it is lower to the dry particle utilization ratio in the dehumidification board, the continuous service time of dehumidification board is shorter, low working efficiency, and when receiving the material subassembly and receiving the material, there is the phenomenon of unevenness in the winding of type membrane, the influence is received the material effect and is left the final off-the-shelf quality of type membrane.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a coating structure of a release film protective film, which aims to solve the problems that when the existing release film coating structure is dried, airflow is concentrated at a certain position on a dehumidifying board and is distributed, the utilization rate of dry particles is low, the continuous service time of the dehumidifying board is short, and the winding of the release film has unevenness during material collection.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a coating structure from type membrane protection film, includes base plate and substrate, and has set gradually coating mechanism, stoving mechanism and receipts material subassembly by one end to the other end on the base plate, one side that coating mechanism kept away from stoving mechanism and the both sides of stoving mechanism all are provided with the biography material subassembly, stoving mechanism includes the drying cabinet, and the top of drying cabinet installs the fan, and inside gas distribution board and dehumidification board from top to bottom install in proper order, the inside gas collection chamber of two symmetries of formation of dehumidification board, and the top center department in every gas collection chamber all is connected with the intake pipe, and a plurality of air vents have all been seted up to the bottom, every the air vent diameter of gas collection chamber bottom is by the center to crescent all around, the outlet duct of fan extends to in the drying cabinet, two the length diameter of intake pipe equals to and be connected with the three-way pipe between the outlet duct.

Preferably, the material receiving assembly comprises two second side plates, a material receiving roller is installed between the two second side plates through a bearing, a pressure roller elastically abutted against the material receiving roller is arranged on one side of the material receiving roller, and the pressure roller and the material receiving roller can roll relatively.

Preferably, a sliding seat is fixed on the same side wall of the two second side plates, a sliding groove is formed in the top of the sliding seat, a bottom plate is arranged below the pressure roller, a sliding block is fixed at the bottom of the bottom plate, the sliding block is slidably embedded in the sliding groove and connected with a spring at one end of the sliding groove, the top of the bottom plate is fixed with the two third side plates, and the material collecting roller is installed between the two third side plates through a bearing.

Preferably, the coating mechanism comprises a frame body, a feeding box is arranged at the top of the frame body, the coating roller is installed on the inner side of the frame body through a bearing, and a feeding nozzle is installed on the inner side of the frame body and can be matched with the surface of the coating roller.

Preferably, each material conveying assembly comprises two first side plates, a roller pair is mounted between the two first side plates through a bearing, and each roller pair comprises two rollers which are vertically arranged.

Preferably, the inner wall of the drying box is provided with a plurality of winding columns, and the outer wall of each winding column is wound with a heating wire.

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

(1) according to the utility model, the gas distribution plate is arranged above the dehumidifying plate in the drying box, two symmetrical gas collection cavities are formed in the gas distribution plate, the top center of each gas collection cavity is connected with the gas inlet pipe, the length and the inner diameter of the two gas inlet pipes are equal and are connected with the gas outlet pipe of the fan through the three-way pipe, so that the gas flow entering each gas collection cavity is ensured to be the same, the bottom of each gas collection cavity is provided with a plurality of vent holes, the aperture of each vent hole is gradually increased from the center to the periphery, the uniformity degree of the gas flow flowing to the gas distribution plate is improved, the utilization rate of dried particles is improved, the continuous service time of the dehumidifying plate is prolonged, and the working efficiency is improved.

(2) According to the utility model, the material pressing roller is arranged on one side of the material receiving roller, the material pressing roller is arranged on the two third side plates through the bearing and is always in rolling contact with the surfaces of the material receiving roller, the two third side plates are connected through the bottom plate, the sliding block at the bottom of the bottom plate is slidably embedded in the sliding groove of the sliding seat on the second side plate, and the sliding groove is connected with the spring at one end.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is an enlarged view of FIG. 1 at B;

FIG. 4 is a bottom view of the gas distribution plate of the present invention;

in the figure: 1. a material conveying component; 2. a first side plate; 3. a roller; 4. a substrate; 5. a coating mechanism; 6. a frame body; 7. a coating roll; 8. a feeding nozzle; 9. a drying mechanism; 10. a drying oven; 11. a dehumidification plate; 12. a fan; 13. a gas distribution plate; 14. an electric heating wire; 15. a material receiving roller; 16. a second side plate; 17. a material receiving assembly; 18. a nip roll; 19. a third side plate; 20. a gas collection cavity; 21. a vent hole; 22. a base plate; 23. a slider; 24. a slide seat.

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: a coating structure of a release film protective film comprises a substrate and a substrate 4, wherein a coating mechanism 5, a drying mechanism 9 and a material receiving assembly 17 are sequentially arranged on the substrate from one end to the other end, the material conveying assembly 1 is respectively arranged on one side of the coating mechanism 5, which is far away from the drying mechanism 9, and two sides of the drying mechanism 9, the substrate 4 is coated and dried to form a release film, the drying mechanism 9 comprises a drying box 10, two side walls of the drying box 10 are provided with rectangular grooves which are aligned with each other, the coated substrate 4 can transversely penetrate through the drying box 10 through the two rectangular grooves, the part of the substrate 4, which is positioned in the drying box 10, is dried, the top of the drying box 10 is provided with a fan 12, the inside is sequentially provided with a gas distribution plate 13 and a dehumidifying plate 11 from top to bottom, the dehumidifying plate 11 comprises a frame body, an upper non-woven fabric layer and a lower non-woven fabric layer are fixed on the inner wall of the dehumidifying frame body, and dry particles are uniformly filled between the two non-woven fabric layers, the drying particles can be silica gel drying agent, and can dehumidify the air blown into the drying box 10, and improve the drying effect of the release film, the side wall of the drying box 10 is provided with slots, the dehumidifying plate 11 can be horizontally inserted into the drying box 10 through the slots and seals the slots, the outer wall of the dehumidifying plate 11 is in sealed contact with the inner wall of the drying box 10, two symmetrical gas collecting cavities 20 are formed inside the dehumidifying plate 11, the center of the top of each gas collecting cavity 20 is connected with an air inlet pipe, the bottom of each gas collecting cavity 20 is provided with a plurality of air holes 21, the diameter of each air hole 21 at the bottom of each gas collecting cavity 20 is gradually increased from the center to the periphery, the axis of each air hole 21 at the center penetrates through the center of the end face of the air inlet pipe above the air collecting cavity, the air outlet pipe of the fan 12 extends into the drying box 10, the length diameters of the two air inlet pipes are equal, and a three-way pipe is connected between the air outlet pipe, so as to ensure that the air flow entering each gas collecting cavity 20 is equal, the gas is distributed on the surface of the dehumidifying plate 11 more uniformly, thereby improving the utilization rate of the drying particles and prolonging the continuous service time of the dehumidifying plate 11.

Further, receive material subassembly 17 and include two second curb plates 16, and install through the bearing between two second curb plates 16 and receive material roller 15, one side of receiving material roller 15 is provided with the nip roll 18 of elastic conflict with it, and nip roll 18 and receive material roller 15 and roll relatively, receives material roller 15 and is used for the roll-up to leave type membrane, and the roll-up in-process, nip roll 18 with from type membrane surface rolling contact, flatten it, the guarantee the compactedness of the type membrane roller of roll-up.

Further, a sliding seat 24 is fixed on the same side wall of the two second side plates 16, a sliding groove is formed in the top of the sliding seat 24, a bottom plate 22 is arranged below the pressure roller 18, a sliding block 23 is fixed at the bottom of the bottom plate 22, the sliding block 23 is slidably embedded in the sliding groove, a spring is connected with one end of the sliding groove, the pressure roller 15 is not wound on the release film, the spring is in a natural state, the pressure roller 18 is in contact with the material receiving roller 15, in the whole material receiving process, the spring always keeps elasticity, a limiting block is fixed at the bottom of the sliding block 23, the limiting block is slidably embedded at the bottom of the sliding groove, the width of the limiting block is larger than that of the sliding block 23, the sliding seat 24 is ensured to slide stably, the bottom plate 22 is fixed with the two third side plates 19 at the top of the bottom plate 22, and the material receiving roller 15 is installed between the two third side plates 19 through a bearing.

Specifically, coating mechanism 5 includes support body 6, and the top of support body 6 is provided with the feed case, and coating roll 7 is installed through the bearing to 6 inboards of support body to install material loading mouth 8, material loading mouth 8 can with coating roll 7 surface coordination, the coating in the feed case can coat in coating roll 7 surface by material loading mouth 8, coat in 4 surfaces of substrate by coating roll 7 again, still install on support body 6 through the bolt and coating roll 7 between through the auxiliary heater of heat conduction ring heat conduction.

It is worth to say that each material conveying assembly 1 includes two first curb plates 2, and installs the roller pair through the bearing between two first curb plates 2, and every roller pair all includes two roller shafts 3 that set up from top to bottom, as shown in fig. 1, the roller pair is set as roller pair a, roller pair b and roller pair c from one end to the other end in proper order, and substrate 4 passes through roller pair a, coating roll 7, roller pair b, drying cabinet 10 and roller pair c in proper order, is finally received the material roller 15 roll-up.

Further, install many on the inner wall of drying cabinet 10 and wind the post, and every has all twined heating wire 14 on winding the post outer wall for the air after the heating dehumidifies through dehumidification board 11, the dry air of formation can effectively dry to the liquid coating on substrate 4 surface.

The working principle and the using process of the utility model are as follows: when the coating device is used, a substrate 4 is fed by the roller pair a of the material conveying component 1, sequentially passes through the coating roller 7, the roller pair b, the drying box 10 and the roller pair c, and is finally wound on the material receiving roller 15, the substrate 4 is always attached to the surfaces of the coating roller 7, the material receiving roller 15 and the material pressing roller 18 and penetrates through the space between the two rollers 3 of each roller pair, in the process, the coating nozzle 8 of the coating mechanism 5 continuously coats the coating roller 7, and the coating roller 7 coats the coating on the surface of the substrate 4 for coating;

the fan 12 of the drying mechanism 9 blows the outside air into the three-way pipe, the airflow is uniformly divided into two paths, the two paths enter the two air collecting cavities 20 of the air distribution plate 13 through the two air inlet pipes respectively, then the airflow uniformly flows out to the surface of the dehumidifying plate 11 through the plurality of air vents 21, the airflow passes through the dehumidifying plate 11 to be dehumidified and then is heated by the electric heating wire 14, and the dry hot air is blown to the surface of the base material 4 to dry the liquid coating on the surface of the base material;

the dried release film is furled by a material receiving roller 15 of a material receiving assembly 17, along with the increase of the diameter of the release film during furling, a pressure roller 18 moves towards the direction far away from the material receiving roller 15 and is always in rolling contact with the surface of the release film to flatten the release film, the furling effect is improved, and when the pressure roller 18 moves, a sliding block 23 at the bottom of a bottom plate 22 elastically slides in a sliding seat 24.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a coating structure from type membrane protection film which characterized in that: the drying device comprises a substrate and a base material (4), wherein a coating mechanism (5), a drying mechanism (9) and a material receiving assembly (17) are sequentially arranged on the substrate from one end to the other end, the material conveying assembly (1) is arranged on one side, away from the drying mechanism (9), of the coating mechanism (5) and on two sides of the drying mechanism (9), the drying mechanism (9) comprises a drying box (10), a fan (12) is arranged at the top of the drying box (10), a gas distribution plate (13) and a dehumidifying plate (11) are sequentially arranged in the drying box from top to bottom, two symmetrical gas collecting cavities (20) are formed in the dehumidifying plate (11), an air inlet pipe is connected to the center of the top of each gas collecting cavity (20), a plurality of vent holes (21) are formed in the bottom of each gas collecting cavity (20), the diameter of the vent holes (21) at the bottom of each gas collecting cavity (20) is gradually increased from the center to the periphery, and an air outlet pipe of the fan (12) extends into the drying box (10), the two air inlet pipes are equal in length and diameter, and a three-way pipe is connected between the two air inlet pipes and the air outlet pipe.

2. The coating structure of a release film protective film according to claim 1, characterized in that: receive material subassembly (17) and include two second curb plates (16), and install between two second curb plates (16) through the bearing and receive material roller (15), one side of receiving material roller (15) is provided with nip roll (18) of elastic conflict with it, and nip roll (18) and receive material roller (15) and roll relatively.

3. The coating structure of a release film protective film according to claim 2, characterized in that: two second curb plate (16) with be fixed with slide (24) on the lateral wall, and the spout has been seted up at the top of slide (24), the below of swage roll (18) is provided with bottom plate (22), and the bottom of bottom plate (22) is fixed with slider (23), slider (23) slide to inlay and locate in the spout to be connected with the spring with the one end of spout, bottom plate (22) top is fixed with two third curb plates (19), and receives material roller (15) to install between two third curb plates (19) through the bearing.

4. The coating structure of a release film protective film according to claim 3, characterized in that: coating mechanism (5) are including support body (6), and the top of support body (6) is provided with the feed tank, and coating roll (7) are installed through the bearing to support body (6) inboard to install material loading mouth (8), material loading mouth (8) can with coating roll (7) surface matching.

5. The coating structure of a release film protective film according to claim 4, characterized in that: every it all includes two first curb plates (2) to pass material subassembly (1), and installs the roller pair through the bearing between two first curb plate (2), every the roller pair all includes roller bearing (3) that two set up from top to bottom.

6. The coating structure of the release film protective film according to claim 5, wherein: the inner wall of the drying box (10) is provided with a plurality of winding columns, and the outer wall of each winding column is wound with an electric heating wire (14).