CN115464827A

CN115464827A - Film blanking device for diffusion film production and production process

Info

Publication number: CN115464827A
Application number: CN202211360488.XA
Authority: CN
Inventors: 李智文; 张万超
Original assignee: Changzhou Zhiwen Photoelectric Technology Co ltd
Current assignee: Changzhou Zhiwen Photoelectric Technology Co ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2022-12-13
Anticipated expiration: 2042-11-02
Also published as: CN115464827B

Abstract

The invention relates to the technical field of blanking devices, in particular to a film blanking device for diffusion film production and a production process. The invention provides a film blanking device for diffusion film production, which achieves the effects of guiding blanking and assisting in cooling a film through the matching of a rolling roller and a blanking part; when the automatic feeding device works, the feeding part is driven to horizontally move to the position right below the rolling roller, and hot water is injected into the feeding part; the blanking part is suitable for collecting the mixture falling from the rolling roller; during blanking, the blanking part is driven to be far away from the rolling roller, cold water is injected into the blanking part, and the films are cooled by the blanking part from the rolling roller and then are blanked. The working efficiency is improved.

Description

Film blanking device for diffusion film production and production process

Technical Field

The invention relates to the technical field of blanking devices, in particular to a film blanking device for diffusion film production and a production process.

Background

Application No.: CN201721394308.4, publication (bulletin) No.: CN207596147U, an automatic rubber rolling support device for an open mill, which comprises a base assembly, a rubber mixing assembly and an automatic rubber rolling support assembly, wherein in the original processing and production process, rubber discharging exists in a certain heat degree and has strong adhesiveness, and people cannot roll the rubber in time, the people need to manually move the rubber discharging to the other place to be tiled and aired, and then roll the rubber discharging.

In the prior art, because the film has certain heat and strong adhesiveness, the film is naturally air-dried and cooled after being extruded into required thickness and shape, but the working efficiency of the mode is lower; meanwhile, the film is remained and adhered to the outer wall of the rubber refining roller, and the next film production is influenced without cleaning. Therefore, it is necessary to develop a film blanking device for PETG film production, which can assist blanking cooling and also can clean the rubber refining roller.

Disclosure of Invention

The invention aims to provide a film blanking device for producing a diffusion film.

In order to solve the technical problem, the invention provides a film blanking device for producing a diffusion film, which comprises:

the automatic feeding device comprises a driving part, a feeding part, a base, a rolling roller, a driven roller, two supporting frames and two adjusting parts, wherein the two supporting frames are vertically fixed at the upper end of the base;

the adjusting parts are arranged at the upper ends of the supporting frames, and one adjusting part corresponds to one supporting frame;

the driven roller is arranged at the movable end of the adjusting part;

the rolling roller is arranged below the driven roller and is in transmission connection with the driving part;

the driving part is fixed on the base and is suitable for driving the rolling roller to axially rotate;

the blanking part is arranged on the base in a sliding manner, and the movable end of the blanking part is rotatably arranged below the rolling roller;

the inner part of the movable end of the blanking part is hollow, and cold water or hot water is suitable for being injected into the inner part of the movable end of the blanking part; wherein

When the automatic feeding device works, the movable end of the feeding part is driven to horizontally move to the position right below the rolling roller, and hot water is injected into the movable end of the feeding part;

the movable end of the blanking part is suitable for collecting the mixture falling from the rolling roller;

during blanking, the movable end of the blanking part is driven to be far away from the rolling roller, cold water is injected into the movable end of the blanking part, and the film is blanked after being cooled by the blanking part from the rolling roller.

Preferably, the blanking portion includes: the cleaning device comprises two horizontal cylinders, a rotating motor, a rotating shaft, a linkage plate and a cleaning plate, wherein the linkage plate is hollow and is arc-shaped;

the rotating shaft is fixed at the lower end of the linkage plate and is arranged along the length direction of the linkage plate;

the two horizontal cylinders are fixed on the base, and a horizontal cylinder is correspondingly arranged at the outer side of a supporting frame;

the rotating motor is fixed at the movable end of any one horizontal cylinder, and the movable end of the other horizontal cylinder is fixed on the side wall of the linkage plate;

the rotating shaft of the rotating motor is fixed at the end part of the rotating shaft;

the cleaning plate is arranged on the inner side wall of the linkage plate in a telescopic manner; wherein

When the horizontal cylinder drives the linkage plate to move to the position right below the rolling roller, the rotating motor synchronously drives the outer side of the linkage plate to move upwards;

synchronously injecting hot water into the linkage plate so that the linkage plate can collect the dropped mixture;

and during cleaning, the linkage plate is horizontally moved and driven to rotate circumferentially so that the cleaning plate abuts against the rolling roller, so that residues on the outer wall of the rolling roller are cleaned, and water is sprayed to clean the outer wall of the rolling roller.

Preferably, a water inlet pipe and a water outlet pipe are respectively arranged at two ends of the linkage plate, and the horizontal height of the water outlet pipe is lower than that of the water inlet pipe.

Preferably, the cleaning plate includes: the linkage plate comprises a crescent moon plate and an extension plate, wherein the extension plate is arc-shaped, and the lower end of the extension plate is fixed in the linkage plate;

the crescent plate is semicircular and is fixed at the upper end of the extension plate;

linkage board inside wall seted up one with the logical groove of crescent plate looks adaptation, crescent plate slidable sets up logical inslot.

Preferably, the length of the crescent is not less than the length of the rolling roller.

Preferably, the cleaning plate is further wrapped by a plurality of compression springs, and the compression springs are arranged at equal intervals along the length direction of the extension plate;

one end of the compression spring is fixed on the side wall of the extension plate, and the other end of the compression spring is fixed on the inner side wall of the linkage plate;

the compression spring is suitable for pushing the extension plate so that the crescent plate protrudes out of the inner side wall of the linkage plate.

Preferably, the upper end of the linkage plate is provided with a plurality of water spraying holes, wherein

When the pressure in the linkage plate is increased, the water spraying holes are suitable for spraying water to the rolling rollers.

Preferably, two rows of pressing sheets are symmetrically arranged at the outer end of each water spray hole, the pressing sheets are made of elastic materials, and the side walls of the two rows of pressing sheets are abutted; wherein

When the crescent plate slides inwards to extrude liquid in the linkage plate, the pressure in the linkage plate is increased, and the row pressing sheet is extruded to be opened so as to spray the liquid to the outer wall of the rolling roller.

Preferably, the adjusting portion includes: the supporting frame is provided with a vertical groove, the limiting block is sleeved on the outer wall of the driven roller, and the limiting block can be arranged in the vertical groove in an upgrading manner;

the adjusting cylinder is vertically fixed at the upper end of the supporting frame, and the movable end of the adjusting cylinder is fixed on the limiting block.

On the other hand, the invention also provides a production process of the film blanking device for producing the diffusion film,

s1, batching, namely putting PETG granules, a lubricant, a compatibilizer, an antioxidant, a light stabilizer, a thixotropic agent and a catalyst into stirring equipment, and mixing and stirring to obtain a mixture;

s2, extruding, namely adding the mixture into a single screw extruder for melt extrusion, wherein the extrusion temperature is as follows: 240-170 ℃;

s3, casting, namely placing the extruded workpiece on a film blanking device for PETG film production to perform casting;

s4, stretching, namely placing the sheet-shaped workpiece on stretching equipment, and performing transverse stretching and longitudinal stretching on the workpiece through the stretching equipment;

s5, performing heat treatment, namely performing heat treatment on the stretched workpiece through heat treatment equipment;

s6, cooling, namely cooling the workpiece through an air cooler;

s7, performing surface treatment, namely performing surface coating protection on the cooled workpiece;

s8, winding, laminating, and winding and packaging the workpiece according to production requirements;

and S9, slitting, namely cutting the rolled workpiece into finished products according to actual use.

The film blanking device for producing the diffusion film has the beneficial effects that the film blanking device for producing the diffusion film achieves the effect of assisting in cooling the film blanking through the matching of the rolling roller and the blanking part; when the automatic feeding device works, the feeding part is driven to horizontally move to the position right below the rolling roller, and hot water is injected into the feeding part; the blanking part is suitable for collecting the mixture falling from the rolling roller so as to keep the temperature of the falling mixture not to drop; when blanking, the blanking part is driven to be far away from the rolling roller, cold water is injected into the blanking part, the formed film is fed from the rolling roller, and meanwhile, the film is pre-cooled after passing through the outer side wall of the linkage plate; the working efficiency is improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a perspective view of a preferred embodiment of a film blanking apparatus for producing a diffusion film according to the present invention;

FIG. 2 is a perspective view of a blanking portion and a rolling roller of the present invention;

FIG. 3 is a perspective view of the blanking portion of the present invention;

FIG. 4 is a perspective view of the cleaning plate of the present invention;

FIG. 5 is an internal perspective view of a linkage plate of the present invention;

FIG. 6 is a schematic view of the linkage plate of the present invention in an operational state;

FIG. 7 is a schematic view of the linkage plate of the present invention in a blanking state;

FIG. 8 is a schematic view of the linkage plate of the present invention in a cleaning position;

fig. 9 is a perspective view of an adjusting portion of the present invention.

In the figure:

1. a drive section; 2. a blanking part; 21. a horizontal cylinder; 22. rotating the motor; 23. a rotating shaft; 24. a linkage plate; 241. a water spray hole; 242. arranging and pressing sheets; 25. cleaning the plate; 251. a crescent plate; 252. an extension plate; 253. a compression spring; 26. a water outlet pipe;

3. a base; 4. a rolling roller; 5. a driven roller; 6. a support frame; 7. an adjustment section; 71. adjusting the air cylinder; 72. and a limiting block.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

Example one

As shown in fig. 1 to 9, the present invention provides a film blanking device for producing a diffusion film, comprising: the automatic feeding device comprises a driving part 1, a feeding part 2, a base 3, a rolling roller 4, a driven roller 5, two supporting frames 6 and two adjusting parts 7, wherein the two supporting frames 6 are vertically fixed at the upper end of the base 3, the two supporting frames 6 are symmetrically arranged, and the distance between the two supporting frames 6 is not less than the length of the rolling roller 4; the adjusting parts 7 are arranged at the upper ends of the supporting frames 6, and one adjusting part 7 corresponds to one supporting frame 6; the driven roller 5 is arranged at the movable end of the adjusting part 7; the driven roller 5 and the adjusting part 7 are arranged, so that the distance between the driven roller 5 and the rolling roller 4 can be adjusted, and the thickness of the extruded film finished product can be adjusted; the rolling roller 4 is arranged below the driven roller 5, and the rolling roller 4 is in transmission connection with the driving part 1; the driving part 1 is fixed on the base 3, the driving part 1 comprises a driving motor and a speed reducer, the driving motor is fixed on the base 3, the speed reducer is in transmission connection with an output shaft of the driving motor, the output shaft of the speed reducer is fixed at the end part of the rolling roller 4, and the driving part 1 is suitable for driving the rolling roller 4 to axially rotate; the blanking part 2 is arranged on the base 3 in a sliding way, and the movable end of the blanking part 2 is rotatably arranged below the rolling roller 4; the interior of the movable end of the blanking part 2 is hollow, and cold water or hot water is suitable for being injected into the interior of the movable end of the blanking part 2; the loose end of unloading portion 2 can follow horizontal direction horizontal migration, simultaneously the loose end of unloading portion 2 can also the axial to rotate to the inside wall that makes the loose end of unloading portion 2 offsets with 4 outer walls of the roller that roll, with the residue of the 4 outer wall adhesions of clearance roller.

When the automatic feeding device works, the movable end of the feeding part 2 is driven to horizontally move to a position right below the rolling roller 4, and the movable end of the feeding part 2 is suitable for collecting the mixture falling from the rolling roller 4; the mixture dropped on the rolling roller 4 can be collected and accepted by the movable end of the blanking part 2, so that the mixture dropped can be conveniently and timely placed between the rolling roller 4 and the driven roller 5 for tabletting. In order to prevent the falling mixture from decreasing in temperature, hot water is injected into the movable end of the blanking part 2 at the same time, the temperature of the hot water is consistent with the temperature in the rolling roller 4, so that even if part of the mixture falls on the movable end of the blanking part 2, the temperature of the mixture does not decrease; when the falling mixture is picked up manually and put between the rolling roller 4 and the driven roller 5 again for tabletting treatment, the extrusion forming time of the film cannot be influenced due to large temperature difference. The traditional collection method is to collect the falling mixture by a plate-shaped or groove-shaped device, and the plate-shaped or groove-shaped device is not heated to prevent the falling mixture from being cooled. Therefore, compared with the prior art, the invention improves the working efficiency of the mixture extrusion film.

When the mixture is discharged after extrusion forming, the movable end of the discharging part 2 is driven to be far away from the rolling roller 4, and the movable end of the discharging part 2 is axially rotated to be inclined upwards; thus, after the film is separated from the rolling roller 4, the lower bottom surface of the film is propped against the upper surface of the movable end of the blanking part 2; meanwhile, cold water is injected into the movable end of the blanking part 2, the films are discharged after being cooled by the movable end of the blanking part 2 from the rolling roller 4, compared with the traditional direct blanking, the cooling of the formed films can be accelerated by injecting the cold water into the blanking part 2, and compared with the traditional natural air drying cooling, the cooling effect of the invention is better, and the cooling time is shorter.

After blanking is finished, the movable end of the blanking part 2 is driven to move horizontally so that the movable end is close to the rolling roller 4, the movable end is driven to rotate axially so that the inner side of the movable end abuts against the outer wall of the rolling roller 4, the rolling roller 4 continues to rotate, and the movable end of the blanking part 2 can clean and mix the residual substances on the outer wall of the rolling roller 4.

Preferably, the blanking portion 2 includes: the device comprises two horizontal cylinders 21, a rotating motor 22, a rotating shaft 23, a linkage plate 24 and a cleaning plate 25, wherein the linkage plate 24 is hollow, and cold water or hot water is suitable for being injected into the linkage plate 24. The crescent plate 251 is made of polyurethane; in order to facilitate the replacement of the liquid inside the linkage plate 24, two ends of the linkage plate 24 are respectively provided with a water inlet pipe and a water outlet pipe 26, the horizontal height of the water outlet pipe 26 is lower than that of the water inlet pipe, and when the linkage plate 24 is in a blanking state or a cleaning state, the horizontal height of the water outlet pipe 26 is lower than that of the water inlet pipe, so that the water in the linkage plate 24 can be conveniently emptied. The linkage plate 24 is arranged along the length direction of the rolling roller 4, and the length of the linkage plate 24 is not less than that of the rolling roller 4. The linkage plate 24 is arc-shaped, a convex surface is formed on the outer side of the linkage plate 24, and a concave surface is formed on the inner side of the linkage plate 24. The rotating shaft 23 is fixed at the lower end of the linkage plate 24, and the rotating shaft 23 is arranged along the length direction of the linkage plate 24; the two horizontal cylinders 21 are fixed on the base 3, and one horizontal cylinder 21 is correspondingly arranged on the outer side of one support frame 6; the rotating motor 22 is fixed at the movable end of any one horizontal cylinder 21, and the movable end of the other horizontal cylinder 21 is fixed on the side wall of the linkage plate 24; the rotating shaft of the rotating motor 22 is fixed at the end part of the rotating shaft 23; the rotating motor 22 is suitable for the linkage plate 24 to rotate circumferentially by taking the rotating shaft 23 as an axis so as to be close to or far away from the outer wall of the rolling roller 4; the cleaning plate 25 is arranged on the inner side wall of the linkage plate 24 in a telescopic mode. When the device works, when the horizontal cylinder 21 drives the linkage plate 24 to move to a position right below the rolling roller 4, the rotating motor 22 synchronously drives the outer side of the linkage plate 24 to move upwards, so that the linkage plate 24 is kept in a horizontal state, and the outer side wall of the linkage plate 24 is convenient to receive and collect a mixture falling from the rolling roller 4; at the same time, hot water is injected into the linkage plate 24 to prevent the temperature of the falling mixture from dropping. When the cleaning device is used for cleaning, the linkage plate 24 is horizontally moved and drives the linkage plate 24 to rotate in the circumferential direction, so that the cleaning plate 25 abuts against the rolling roller 4, when mixture residues adhere to the outer wall of the rolling roller 4, the cleaning plate 25 can scrape the residues on the outer wall of the rolling roller 4, the residues extrude the cleaning plate 25 to slide towards the linkage plate 24 in the contact process of the residues and the cleaning plate 25, so that liquid in the linkage plate 24 is sprayed towards the outer wall of the rolling roller 4, the cleaning effect on the outer wall of the rolling roller 4 is achieved, and the problems of dust raising during cleaning of the outer wall of the rolling roller 4 can be avoided due to the shape of the linkage plate 24 and the shape of the cleaning plate 25.

In order to enhance the cleaning effect, the cleaning plate 25 includes: the linkage plate 24 comprises a crescent plate 251 and an extension plate 252, wherein the extension plate 252 is arc-shaped, the arc degree of the extension plate 252 is consistent with that of the linkage plate 24, and the lower end of the extension plate 252 is fixed in the linkage plate 24; the position where the crescent-shaped board 251 is in fixed contact with the extension board 252 is rectangular, the end of the crescent-shaped board 251 is semicircular, and the crescent-shaped board 251 is fixed at the upper end of the extension board 252; namely, the crescent plate 251 is divided into a rectangular section and an arc section; a through groove matched with the crescent-shaped plate 251 is formed in the inner side wall of the linkage plate 24, the crescent-shaped plate 251 is slidably arranged in the through groove, the crescent-shaped plate 251 is in sliding fit with the through groove, and the outer wall of the rectangular section of the crescent-shaped plate 251 is in sliding seal with the inner wall of the through groove; the sliding stroke of the crescent plate 251 in the through groove is not more than the length of the rectangular section of the crescent plate 251; during cleaning, the arc segment of the crescent-shaped plate 251 is extruded by the mixture remained on the outer wall of the rolling roller 4, so that the crescent-shaped plate 251 slides towards the inside of the linkage plate 24, and at the moment, the crescent-shaped plate 251 extrudes the liquid in the linkage plate 24, so that the liquid is sprayed to the outer wall of the rolling roller 4 through the water spraying holes 241 at the upper end of the linkage plate 24. The length of the crescent-shaped plate 251 is not less than that of the rolling roller 4, so that the crescent-shaped plate 251 can clean the mixture remained on the outer wall of the rolling roller 4 completely.

In order to improve the stability of the crescent 251 in operation, the cleaning plate 25 further wraps a plurality of compression springs 253, and the plurality of compression springs 253 are arranged at equal intervals along the length direction of the extension plate 252; one end of the compression spring 253 is fixed on the side wall of the extension plate 252, and the other end of the compression spring 253 is fixed on the inner side wall of the linkage plate 24; in the initial state, the compression spring 253 pushes the extension plate 252 so that the crescent plate 251 protrudes out of the inner side wall of the linkage plate 24, and simultaneously the side wall of the extension plate 252 abuts against the inner wall of the linkage plate 24.

In order to improve the cleaning effect of the outer wall of the rolling roller 4, a plurality of water spraying holes 241 are formed in the upper end of the linkage plate 24, and when the pressure in the linkage plate 24 is increased, the water spraying holes 241 are suitable for spraying water to the rolling roller 4. Two rows of pressing sheets 242 are symmetrically arranged at the outer end of each water spraying hole 241, the pressing sheets 242 are semicircular, the arc edges of the pressing sheets 242 are fixed on the peripheral wall of the water spraying hole 241, and the radial edges of the two pressing sheets 242 are arranged oppositely; the row of pressing pieces 242 is made of elastic material, and the side walls of the two rows of pressing pieces 242 are abutted; in a normal state, the side walls of the two rows of pressing sheets 242 are abutted to prevent the liquid in the linkage plate 24 from overflowing outwards from the water spraying hole 241; when the crescent plate 251 slides inwards to press the liquid in the linkage plate 24, the pressure in the linkage plate 24 is increased, and the liquid in the linkage plate 24 presses the row pressing sheets 242 to be opened so as to spray the liquid to the outer wall of the rolling roller 4.

In order to accommodate films of different thicknesses, the adjusting section 7 includes: the device comprises an adjusting cylinder 71 and a limiting block 72, wherein a vertical groove is formed in the supporting frame 6, the limiting block 72 is sleeved on the outer wall of the driven roller 5, and the limiting block 72 can be arranged in the vertical groove in an up-to-down manner; the adjusting cylinder 71 is vertically fixed at the upper end of the supporting frame 6, and the movable end of the adjusting cylinder 71 is fixed on the limiting block 72. The adjusting cylinder 71 is suitable for the limiting block 72 to vertically move up and down so as to adjust the distance between the driven roller 5 and the rolling roller 4, so that films with different thicknesses can be extruded.

Example two

The invention also provides a production process of the film blanking device for producing the diffusion film, which comprises the film blanking device for producing the diffusion film according to the first embodiment, wherein the specific structure is as described in the first embodiment, and details are not repeated here.

s2, extruding, namely adding the mixture into a single screw rod extruder for melt extrusion, wherein the extrusion temperature is as follows: 240-170 ℃;

s6, cooling, namely cooling the workpiece through an air cooler;

s8, winding, laminating, winding and packaging the workpiece according to production requirements;

In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a diffusion barrier production is with film unloader which characterized in that includes:

the automatic feeding device comprises a driving part (1), a feeding part (2), a base (3), a rolling roller (4), a driven roller (5), two supporting frames (6) and two adjusting parts (7), wherein the two supporting frames (6) are vertically fixed at the upper end of the base (3);

the adjusting parts (7) are arranged at the upper ends of the supporting frames (6), and one adjusting part (7) corresponds to one supporting frame (6);

the driven roller (5) is arranged at the movable end of the adjusting part (7);

the rolling roller (4) is arranged below the driven roller (5), and the rolling roller (4) is in transmission connection with the driving part (1);

the driving part (1) is fixed on the base (3), and the driving part (1) is suitable for driving the rolling roller (4) to axially rotate;

the blanking part (2) is arranged on the base (3) in a sliding manner, and the movable end of the blanking part (2) is rotatably arranged below the rolling roller (4);

the interior of the movable end of the blanking part (2) is hollow, and cold water or hot water is suitable for being injected into the interior of the movable end of the blanking part (2); wherein

When the automatic feeding device works, the movable end of the feeding part (2) is driven to horizontally move to the position right below the rolling roller (4), and hot water is injected into the movable end of the feeding part (2);

the movable end of the blanking part (2) is suitable for collecting the mixture falling from the rolling roller (4);

during the unloading, the drive the expansion end of unloading portion (2) is kept away from roll roller (4), simultaneously to pour into cold water into in the expansion end of unloading portion (2), the unloading after unloading from roll roller (4) unloading of unloading portion (2) cooling.

2. The film blanking device for producing diffusion film according to claim 1,

the blanking part (2) comprises: the cleaning device comprises two horizontal cylinders (21), a rotating motor (22), a rotating shaft (23), a linkage plate (24) and a cleaning plate (25), wherein the linkage plate (24) is hollow, and the linkage plate (24) is arc-shaped;

the rotating shaft (23) is fixed at the lower end of the linkage plate (24), and the rotating shaft (23) is arranged along the length direction of the linkage plate (24);

the two horizontal cylinders (21) are fixed on the base (3), and one horizontal cylinder (21) is correspondingly arranged on the outer side of one support frame (6);

the rotating motor (22) is fixed at the movable end of any horizontal cylinder (21), and the movable end of the other horizontal cylinder (21) is fixed on the side wall of the linkage plate (24);

the rotating shaft of the rotating motor (22) is fixed at the end part of the rotating shaft (23);

the cleaning plate (25) is arranged on the inner side wall of the linkage plate (24) in a telescopic manner; wherein

When the horizontal cylinder (21) drives the linkage plate (24) to move to the position right below the rolling roller (4), the rotating motor (22) synchronously drives the outer side of the linkage plate (24) to move upwards;

synchronously injecting hot water into the linkage plate (24) so that the linkage plate (24) can collect the dropped mixture;

during cleaning, the linkage plate (24) is horizontally moved and drives the linkage plate (24) to rotate in the circumferential direction so that the cleaning plate (25) is abutted against the rolling roller (4) to clean residues on the outer wall of the rolling roller (4) and spray water to clean the outer wall of the rolling roller (4).

3. The film blanking device for producing the diffusion film according to claim 2,

a water inlet pipe and a water outlet pipe (26) are respectively arranged at two ends of the linkage plate (24), and the horizontal height of the water outlet pipe (26) is lower than that of the water inlet pipe.

4. The film blanking device for producing a diffusion film according to claim 3,

the cleaning plate (25) comprises: the linkage plate comprises a crescent plate (251) and an extension plate (252), wherein the extension plate (252) is arc-shaped, and the lower end of the extension plate (252) is fixed in the linkage plate (24);

the crescent plate (251) is semicircular, and the crescent plate (251) is fixed at the upper end of the extension plate (252);

a through groove matched with the crescent plate (251) is formed in the inner side wall of the linkage plate (24), and the crescent plate (251) is slidably arranged in the through groove.

5. The film blanking apparatus for producing diffusion barrier as recited in claim 4,

the length of the crescent-shaped board (251) is not less than that of the rolling roller (4).

6. The film blanking device for producing diffusion film according to claim 5,

the cleaning plate (25) is further wrapped by a plurality of compression springs (253), and the compression springs (253) are arranged at equal intervals along the length direction of the extension plate (252);

one end of the compression spring (253) is fixed on the side wall of the extension plate (252), and the other end of the compression spring (253) is fixed on the inner side wall of the linkage plate (24);

the compression spring (253) is suitable for pushing the extension plate (252) to enable the crescent-shaped plate (251) to protrude out of the inner side wall of the linkage plate (24).

7. The film blanking device for producing diffusion film according to claim 6,

the upper end of the linkage plate (24) is provided with a plurality of water spraying holes (241), wherein

When the pressure in the linkage plate (24) is increased, the water spraying holes (241) are suitable for spraying water to the outer wall of the rolling roller (4).

8. The film blanking apparatus for producing diffusion barrier as recited in claim 7,

two rows of pressing sheets (242) are symmetrically arranged at the outer end of each water spraying hole (241), the pressing sheets (242) are made of elastic materials, and the side walls of the two rows of pressing sheets (242) are abutted; wherein

When the crescent plate (251) slides inwards to extrude liquid in the linkage plate (24), the pressure in the linkage plate (24) is increased, and the row pressing sheets (242) are extruded to be opened so as to spray the liquid to the outer wall of the rolling roller (4).

9. The film blanking device for producing diffusion film according to claim 8,

the adjustment section (7) includes: the device comprises an adjusting cylinder (71) and a limiting block (72), wherein a vertical groove is formed in the supporting frame (6), the limiting block (72) is sleeved on the outer wall of the driven roller (5), and the limiting block (72) can be arranged in the vertical groove in a lifting mode;

the adjusting cylinder (71) is vertically fixed at the upper end of the support frame (6), and the movable end of the adjusting cylinder (71) is fixed on the limiting block (72).

10. A production process of a film blanking device for producing a diffusion film, which is characterized by comprising the film blanking device for producing the diffusion film according to claim 9,

s6, cooling, namely cooling the workpiece through an air cooler;