CN213543112U - Heating and winding device for release film - Google Patents

Abstract

The invention discloses a heating and winding device of a release film, which comprises a winding-out box, a heating box, a winding and cold-hot exchange box, wherein the winding-out box is connected with the heating box; a winding-out roller is arranged in the winding-out box, and a release film is wound on the winding-out roller; one end of the heating box is communicated with the coil discharging box, the other end of the heating box is communicated with the coil winding box, a guide roller is arranged in the heating box, and the top of the heating box is communicated with a hot air inlet device; install the wind-up roll in the rolling case, the top that lies in the wind-up roll in the rolling case is equipped with the evaporimeter, the top of rolling case is equipped with cold and hot exchange box. The invention has the advantages that: can realize the dual effect of heating and cooling, can cool down the rolling case when heating in the heating cabinet, play the effect of the energy can be saved.

Description

Heating and winding device for release film

Technical Field

The utility model belongs to the technical field of from the type membrane, concretely relates to from heating coiling mechanism of type membrane.

Background

The release film refers to a film having a differentiated surface energy, and the release film has no or slight stickiness with a specific material after being exposed to a limited condition. When the release film is stored in a dark and humid environment, the release film is easy to damp, the surface of the damp release film contains moisture, the release film cannot be directly processed, and the release film needs to be dried and dehumidified before use. But release the type membrane after the heating, can't roll immediately, need the cooling just can the rolling store. The patent numbers are: chinese utility model patent CN201010621449.1 discloses a name is from type membrane heating dehumidification equipment, and this equipment includes: mount pad, dehumidification subassembly and heating element. The mount pad includes base and two curb plates. The dehumidifying component comprises a first water scraping strip, a second water scraping strip and a first driving piece. One end of the first water scraping strip is connected with the inner side wall of one side plate, and the other end of the first water scraping strip is connected with the inner side wall of the other side plate. The first driving piece is in driving connection with the second water scraping strip and used for driving the second water scraping strip to move towards the first water scraping strip. The heating component comprises a first clamping strip, a second clamping strip, a first heating wire, a second heating wire and a second driving piece. One end of the first clamping strip is connected with the inner side wall of one side plate, the second driving piece is in driving connection with the end portion of the second clamping strip, and the second driving piece is used for driving the second clamping strip to move towards the first clamping strip. The aforesaid is low from the energy consumption of type membrane heating dehumidification equipment, it is efficient to the heating dehumidification from the type membrane, can not lead to the fact the influence to the functional structure from the type membrane, above-mentioned patent is realized respectively through two kinds of different devices of heating device and heat sink when heating dehumidification and cooling rolling, all need the energy consumption when heating and cooling, energy cost is higher, and do not obstruct between the two, simultaneous working receives the influence each other easily, reduce respective heating and cooling efficiency, increase the energy consumption.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model provides a following technical scheme: a heating and winding device for a release film comprises a winding-out box, a heating box, a winding-up box and a cold-hot exchange box; a winding-out roller is arranged in the winding-out box, and a release film is wound on the winding-out roller; one end of the heating box is communicated with the coil discharging box, the other end of the heating box is communicated with the coil winding box, a guide roller is arranged in the heating box, and the top of the heating box is communicated with a hot air inlet device; a winding roller is installed in the winding box, an evaporator is arranged above the winding roller in the winding box, and a cold-heat exchange box is arranged above the winding box; be equipped with the division board in the middle of the cold and hot exchange case, epicoele and cavity of resorption are separated into with cold and hot exchange case to the division board, install condenser and fan in the epicoele, the condenser respectively with fan, the intercommunication between the hot blast blowpipe apparatus have the air cycle pipeline, install the compressor in the cavity of resorption, mutual intercommunication has the medium circulation pipeline between compressor, condenser and the evaporimeter, be equipped with filter and choke valve on the medium circulation pipeline between condenser and the evaporimeter, be equipped with cross valve and vapour and liquid separator on the medium circulation pipeline between evaporimeter and the compressor.

Further, hot air inlet device includes horizontal air-supply line and vertical air-supply line, the reciprocating cylinder that output and vertical air-supply line are connected that communicate each other, horizontal air-supply line is connected with the air cycle pipeline, be equipped with the bellows on the horizontal air-supply line, the bottom of vertical air-supply line is connected with backward flow air pipe case, a plurality of first fresh air inlets have been seted up at the top of heating cabinet.

Further, the inside of heating cabinet is equipped with last backward flow board and the lower backward flow board of hugging closely upper sidewall of heating cabinet and lower lateral wall, it has last backward flow layer to go up to be formed with between backward flow board and the upper sidewall, be formed with down backward flow layer down between backward flow board and the lower lateral wall, be equipped with the circulation passageway on last backward flow layer and the backward flow layer down of intercommunication on the both sides wall of heating cabinet, go up to backward flow board and seted up a plurality of second fresh air inlets down on the backward flow board.

Furthermore, the hot air circulation system also comprises a hot air return circulation pipe, wherein one end of the hot air return circulation pipe is communicated with the heating box, and the other end of the hot air return circulation pipe is connected with the input end of the fan.

Further, the inside of guide roll is equipped with the heat conduction oil pocket, the inner chamber of heat conduction oil pocket is equipped with the heating tube, the outside of guide roll is equipped with a plurality of draw-in grooves, swing joint has the buckle on the draw-in groove, be connected with the heat conduction pad on the buckle, the surface of heat conduction pad and guide roll still is connected with the heat conduction lug, the side of guide roll is connected with the pivot, the guide roll is connected with the inside wall of heating cabinet through the pivot.

Further, the heating cabinet bottom is fixed with a pair of pressure plate, two the equal fixedly connected with pressure sensor of middle-end of pressure plate inner chamber bottom, the middle-end fixedly connected with electric telescopic handle at pressure plate top, electric telescopic handle's upper end movable mounting has the tensioning roller.

Further, the guide roll confession is equipped with two, the tensioning roller is located between two guide rolls, the side of tensioning roller and two guide rolls forms the triangle-shaped structure.

Furthermore, guide blocks are respectively arranged on two sides of the top of the heating box, guide rails are arranged between the guide blocks, and the backflow air pipe box is arranged on the guide rails in a sliding mode.

Further, a humidity sensor and a dehumidifier are further arranged in the rolling box.

Furthermore, a controller is arranged on the side edge of the winding box.

The utility model has the advantages that:

1. the utility model has low energy consumption and outstanding energy-saving effect; the heating is accompanied with the cooling, after the liquid refrigerant absorbs the air heat in the rolling box in the evaporator, the liquid refrigerant is vaporized into low-temperature and low-pressure steam, the steam is sucked by the compressor, the steam is compressed into high-pressure and high-temperature steam and then is discharged into the condenser, the heat is released to the air in the condenser, the air flow blown from the air circulation pipeline is continuously released and heated by the condenser, the air flow flows into the heating box after being heated to heat and dry the surface of the release film, then the steam is condensed into high-pressure liquid, the high-pressure and low-temperature refrigerant is throttled by the throttle valve and enters the evaporator again to absorb heat for vaporization, the purposes of circulating heating and cooling are achieved, the evaporator continuously absorbs heat from the rolling box, the. The utility model relates to a will originally single device or refrigerating plant that heats use to from the dehumidification field of type membrane, improved energy utilization and rateed, reduced the energy consumption.

2. The utility model discloses be equipped with backward flow wind pipe case and backward flow layer, the first round backward flow of hot-air can be realized to backward flow wind pipe case, and the backward flow layer can realize two layers of backward flows of hot-air, can realize through twice backward flows that the air is at the uniform velocity blow to from type membrane surface, it is big to avoid appearing partial air current, and partial air current is little, and the air pressure that receives from the different parts of type membrane surface that leads to is inhomogeneous and arouse from type membrane surface quality defect.

3. The utility model discloses be provided with the pressure plate in the bottom of heating cabinet, the middle-end fixed connection of pressure plate inner chamber bottom has pressure sensor, can monitor the elasticity from the type membrane constantly, and when the elasticity from the type membrane is less than minimum default, automatic control electric telescopic handle upward movement, when the elasticity from the type membrane is greater than the highest default, automatic control electric telescopic handle downstream, the effect from the type membrane elasticity has been played intelligent regulation, solved and received self tension effect from the type membrane at the in-process of heating and drying, the phenomenon of relaxing can appear.

Drawings

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

FIG. 2 is a schematic view of the structure of the guide roller of the present invention;

fig. 3 is a partial schematic view of the pressure plate of the present invention;

fig. 4 is the utility model discloses stoving incasement portion hot-air flow direction schematic diagram.

In the figure: 1. discharging the coil box; 2. a heating box; 3. a rolling box; 4. a cold-hot exchange box; 5. a winding-out roller; 6. a guide roller; 7. a wind-up roll; 8. an evaporator; 9. a hot air intake device; 10. a partition plate; 11. an upper chamber; 12. a lower cavity; 13. a condenser; 14. a fan; 15. an air circulation line; 16. a compressor; 17. a medium circulation line; 18. a filter; 19. a throttle valve; 20. a four-way valve; 21. a gas-liquid separator; 22. a transverse air inlet pipe; 23. a longitudinal air inlet pipe; 24. a reciprocating cylinder; 25. a flexible hose; 26. a return air duct box; 27. a first air inlet hole; 28. an upper reflow plate; 29. a lower reflux plate; 30. an upper reflow layer; 31. a lower reflow layer; 32. a flow-through channel; 33. a second air inlet hole; 34. a hot air return circulation pipe; 35. a heat conducting oil cavity; 36. a heat generating tube; 37. a card slot; 38. buckling; 39. a thermally conductive pad; 40. a heat conductive bump; 41. a rotating shaft; 42. a pressure plate; 43. a pressure sensor; 44. an electric telescopic rod; 45. a tension roller; 46. a guide block; 47. a guide rail; 48. a humidity sensor; 49. a dehumidifier; 50. and a controller.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-4, a heating and winding device for a release film includes a winding-out box 1, a heating box 2, a winding-up box 3 and a cold-heat exchange box 4; a winding-out roller 5 is arranged in the winding-out box 1, a release film is wound on the winding-out roller 5, one end of a heating box 2 is communicated with the winding-out box 1, the other end of the heating box is communicated with a winding box 3, two guide rollers 6 are arranged in the heating box 2, the top of the heating box 2 is communicated with a hot air inlet device 9, a winding roller 7 is arranged in the winding box 3, the release film enters the guide rollers 6 in the heating box 2 after being wound out of the winding-out roller 5, the two guide rollers 6 are arranged on the two sides of the heating box 2 and then penetrate through the heating box 2 to be wound by the winding roller 7, an evaporator 8 is arranged above the winding roller 7 in the winding box 3, a cold-hot exchange box 4 is arranged above the winding box 3, a partition plate 10 is arranged in the middle of the cold-hot exchange box 4, the partition plate 10 divides the cold-hot exchange box 4 into an upper cavity 11 and a lower cavity 12, a condenser 13, An air circulation pipeline 15 is communicated among the hot air intake devices 9, a compressor 16 is installed in the lower cavity 12, medium circulation pipelines 17 are communicated among the compressor 16, the condenser 13 and the evaporator 8, a filter 18 and a throttle valve 19 are arranged on the medium circulation pipeline 17 between the condenser 13 and the evaporator 8, a four-way valve 20 and a gas-liquid separator 21 are arranged on the medium circulation pipeline 17 between the evaporator 8 and the compressor 16, a refrigerant is arranged in the medium circulation pipeline 17, liquid refrigerant is vaporized into low-temperature low-pressure steam after absorbing the heat of air in the coiling box 3 in the evaporator 8, the steam is sucked by the compressor 16, compressed into high-pressure high-temperature steam and then discharged into the condenser 13, the heat is released to the air in the condenser 13, the heat is continuously released through the condenser 13 and heats the air flow blown from the air circulation pipeline 15, the air flow flows into the heating box 2 after being heated to heat and dry, then the steam is condensed into high-pressure liquid, becomes low-pressure and low-temperature refrigerant after being throttled by the throttle valve 19, enters the evaporator 8 again to absorb heat and vaporize, so as to achieve the purposes of circulating heating and refrigerating, the evaporator 8 continuously absorbs heat from the winding box 3 to cool the winding box 3, so as to facilitate the rapid winding of the release film, the condenser 13, the compressor 16 and the evaporator 8 are originally used for a single refrigerating or heating device, hot air is discharged while refrigerating, cold air is discharged while heating, which can cause waste of air energy, but the hot air and the cold air which can be well utilized simultaneously when the evaporator is applied to a heating and winding device of the release film can be heated and dried by taking the hot air as the surface of the release film, and meanwhile, the cold air is used for cooling the dried release film to quickly recover to normal temperature for winding, so as to improve the energy utilization rate, because the heating box 2 and the winding box 3 are separated from each other, the mutual influence of two kinds of air can be avoided, and the energy consumption is reduced. The energy-saving air conditioner further comprises a hot air backflow circulating pipe 34, one end of the hot air backflow circulating pipe 34 is communicated with the heating box 2, the other end of the hot air backflow circulating pipe 34 is connected with the input end of the fan 14, the fan 14 blows hot air heated by the condenser 13 into the heating box 2 through the hot air inlet device to be heated and dried, the heated hot air enters the condenser 13 again through the hot air backflow circulating pipe 34 and the fan 14 to be heated, waste heat of the heated hot air is fully utilized, and the energy-saving effect is further achieved.

In order to ensure that hot air is blown to the surface of the release film more uniformly, a hot air inlet device 9 is arranged, the hot air inlet device 9 comprises a transverse air inlet pipe 22 and a longitudinal air inlet pipe 23 which are communicated with each other, and a reciprocating cylinder 24 of which the output end is connected with the longitudinal air inlet pipe 23, the transverse air inlet pipe 22 is connected with an air circulation pipeline 15, a flexible hose 25 is arranged on the transverse air inlet pipe 22, the flexible hose 25 is positioned in the middle position of the transverse air inlet pipe 22, the length of the transverse air inlet pipe 22 can be adjusted by pulling the flexible hose 25 to stretch, the bottom of the longitudinal air inlet pipe 23 is connected with a return air pipe box 26, the top of the heating box 2 is provided with a plurality of first air inlet holes 27, the bottom of the return air pipe box 26 is of an open structure and is communicated with the inside of the heating box 2 through the plurality of first air inlet holes 27, as shown in figure 4, when hot air, part of the air flow directly enters the heating box 2 along a plurality of first air inlet holes 27 on the surface of the heating box 2, and the other part of the air flow is obstructed by the heating box 2 to form a backflow in the backflow air box 26, and enters the heating box 2 along the first air inlet holes 27 on both sides of the backflow air box 26, so that the hot air blown out from the backflow air box 26 enters the heating box 2 more uniformly, meanwhile, through arranging a reciprocating cylinder 24 with an output end connected with a longitudinal air inlet pipe 23, the reciprocating cylinder 24 can be matched with a flexible pipe 25 on a transverse air inlet pipe 22 to drive the longitudinal air inlet pipe 23 and the backflow air box 26 to slide on the surface of the heating box 2, guide blocks 46 are respectively arranged on both sides of the top of the heating box 2, guide rails 47 are arranged between the guide blocks 46, the backflow air box 26 is arranged on the guide rails 47 in a sliding manner, and the guide rails 47 can make the backflow air box 26 move more stably, the reciprocating cylinder 24 drives the return air duct box 26 to reciprocate on the top of the heating box 2, so as to enable the top of the heating box 2 to enter air more uniformly, an upper return plate 28 and a lower return plate 29 which are tightly attached to the upper side wall and the lower side wall of the heating box 2 are arranged in the heating box 2, an upper return layer 30 is formed between the upper return plate 28 and the upper side wall, a lower return layer 31 is formed between the lower return plate 29 and the lower side wall, a circulation channel 32 of the upper return layer 30 and the lower return layer 31 which are communicated with each other is arranged on the two side walls of the heating box 2, a plurality of second air inlet holes 33 are formed on the upper return plate 28 and the lower return plate 29, the second air inlet holes 33 on the upper return plate 28 are staggered with the first air inlet holes 27 on the top of the heating box 2, when hot air flow enters from the first air inlet holes 27, the hot air flow cannot directly enter the heating box 2 from the second air inlet holes 33, and enters the heating box 2 from the second air inlet holes 33 after secondary return flow, so, partial hot air current flows and flows into backward flow layer 31 down along with circulation channel 32, heats the stoving for leaving the type membrane from the bottom through backward flow layer 31 down, and the further backward flow of going up backward flow layer 30 and backward flow layer 31 down makes to blow to more even from the hot air on type membrane surface, avoids the air pressure that receives from the different parts on type membrane surface inhomogeneous and arouses from type membrane surface quality defect.

In order to further improve the heating effect of the heating box 2, a heat conducting oil cavity 35 is arranged inside the guide roller 6, a heating pipe 36 is arranged in the inner cavity of the heat conducting oil cavity 35, the heat conducting roller can be driven to heat up by heating through the heating pipe 36, so that the effect of heating and drying the release film is further achieved, the heating effect can be improved by injecting heat conducting oil into the heat conducting oil cavity 35, because the heat quantity of the heat conducting oil is larger, a plurality of clamping grooves 37 are arranged outside the guide roller 6, the clamping grooves 37 are movably connected with buckles 38, the buckles 38 are connected with heat conducting pads 39, the buckles 38 and the clamping grooves 37 can be conveniently detached and replaced, the surfaces of the heat conducting pads 39 and the guide roller 6 are also connected with heat conducting lugs 40 for transferring heat between the heat conducting inner cavity and the movable heat conducting pads 39, the side edge of the guide roller 6 is connected with a rotating shaft 41, the guide roller 6 is, the heating and drying effect can be better by heating the guide roller 6.

In order to ensure that the surface tension of the release film is not too large, a pair of pressure plates 42 are fixed at the bottom of the heating box 2, pressure sensors 43 are fixedly connected at the middle ends of the bottoms of the inner cavities of the two pressure plates 42, an electric telescopic rod 44 is fixedly connected at the middle end of the top of the pressure plate 42, a tension roller 45 is movably installed at the upper end of the electric telescopic rod 44, the tension of the release film can be constantly monitored through the pressure sensors 43, when the tension of the release film is lower than the lowest preset value, the two electric telescopic rods 44 are automatically controlled to move upwards, when the tension of the release film is higher than the highest preset value, the electric telescopic rod 44 is automatically controlled to move downwards, the effect of intelligently adjusting the tension of the release film is achieved, the problem that the release film is loosened or wrinkled due to the self-tension in the heating and drying processes is solved, the tension roller 45 is arranged between the two, tensioning roller 45 forms the triangle-shaped structure with the side of two guide roll 6, as shown in fig. 4, the side of type membrane can form the triangle-shaped region in the region of heating stoving like this, the hot-air that blows from the middle of type membrane top can be blown off along from type membrane surface both sides, it forms swirl air current to run back behind the guide roll 6 on both sides to meet, and the hot-air that blows from type membrane bottom both sides can be gathered together to the centre along from type membrane both sides, and the hot-air on both sides also can form two strands of swirl air currents after meeting in the centre, can increase from type membrane surface drying efficiency through swirl air current. The tension roller 45 generally does not move up and down too much during adjustment, and the overall triangular structure is not damaged.

In order to guarantee that the humidity in the rolling case 3 can not be too high, avoid making once more from type membrane surface humidity when the rolling, still be equipped with humidity transducer 48 and dehumidifier 49 in rolling case 3, the side of rolling case 3 is equipped with controller 50 of control dehumidifier 49, detect in rolling case 3 with humidity transducer 48, if the condition that humidity surpassed the threshold value appears, then start dehumidifier 49 through controller 50 and dehumidify rolling case 3, make rolling case 3 be in drying condition, guarantee the rolling and avoid getting damp once more after drying from the type membrane.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a from heating coiling mechanism of type membrane which characterized in that: comprises a coil discharging box (1), a heating box (2), a winding box (3) and a cold-hot exchange box (4);

a winding-out roller (5) is arranged in the winding-out box (1), and a release film is wound on the winding-out roller (5);

one end of the heating box (2) is communicated with the coil outlet box (1), the other end of the heating box is communicated with the coil winding box (3), a guide roller (6) is arranged in the heating box (2), and the top of the heating box (2) is communicated with a hot air inlet device (9);

a winding roller (7) is installed in the winding box (3), an evaporator (8) is arranged above the winding roller (7) in the winding box (3), and a cold-heat exchange box (4) is arranged above the winding box (3);

a partition plate (10) is arranged in the middle of the cold and heat exchange box (4), the cold and heat exchange box (4) is divided into an upper cavity (11) and a lower cavity (12) by the partition plate (10), a condenser (13) and a fan (14) are arranged in the upper cavity (11), an air circulation pipeline (15) is respectively communicated between the condenser (13) and the fan (14) as well as between the condenser (13) and the hot air intake device (9), a compressor (16) is arranged in the lower cavity (12), medium circulating pipelines (17) are communicated among the compressor (16), the condenser (13) and the evaporator (8), a medium circulating pipeline (17) between the condenser (13) and the evaporator (8) is provided with a filter (18) and a throttle valve (19), a four-way valve (20) and a gas-liquid separator (21) are arranged on a medium circulating pipeline (17) between the evaporator (8) and the compressor (16).

2. The heating and winding device for the release film according to claim 1, characterized in that: hot air inlet device (9) including horizontal air-supply line (22) and vertical air-supply line (23) that communicate each other, output and reciprocating cylinder (24) that vertical air-supply line (23) are connected, horizontal air-supply line (22) are connected with air cycle pipeline (15), be equipped with expansion hose (25) on horizontal air-supply line (22), the bottom of vertical air-supply line (23) is connected with backward flow air pipe case (26), a plurality of first fresh air inlets (27) have been seted up at the top of heating cabinet (2).

3. The heating and winding device for the release film according to claim 2, characterized in that: the inside of heating cabinet (2) is equipped with last backward flow board (28) and lower backward flow board (29) of hugging closely lateral wall and lower lateral wall on heating cabinet (2), it has last backward flow layer (30) to go up to be formed with between backward flow board (28) and the last lateral wall, be formed with down backward flow layer (31) down between backward flow board (29) and the lower lateral wall, be equipped with circulation passageway (32) of last backward flow layer (30) and backward flow layer (31) down of intercommunication on the both sides wall of heating cabinet (2), go up backward flow board (28) and have seted up a plurality of second fresh air inlets (33) down on backward flow board (29).

4. The heating and winding device for the release film according to claim 1, characterized in that: the hot air circulation heating device is characterized by further comprising a hot air return circulation pipe (34), wherein one end of the hot air return circulation pipe (34) is communicated with the heating box (2), and the other end of the hot air return circulation pipe (34) is connected with the input end of the fan (14).

5. The heating and winding device for the release film according to claim 1, characterized in that: the inside of guide roll (6) is equipped with heat conduction oil chamber (35), the inner chamber of heat conduction oil chamber (35) is equipped with heating tube (36), the outside of guide roll (6) is equipped with a plurality of draw-in grooves (37), swing joint has buckle (38) on draw-in groove (37), be connected with heat conduction pad (39) on buckle (38), the surface of heat conduction pad (39) and guide roll (6) still is connected with heat conduction lug (40), the side of guide roll (6) is connected with pivot (41), guide roll (6) are connected with the inside wall of heating cabinet (2) through pivot (41).

6. The heating and winding device for the release film according to claim 1, characterized in that: heating cabinet (2) bottom is fixed with a pair of pressure plate (42), two the equal fixedly connected with pressure sensor (43) of middle-end of pressure plate (42) inner chamber bottom, the middle-end fixedly connected with electric telescopic handle (44) at pressure plate (42) top, the upper end movable mounting of electric telescopic handle (44) has tensioning roller (45).

7. The heating and winding device for the release film according to claim 6, wherein: the supply of guide roll (6) is equipped with two, tensioning roller (45) are located between two guide roll (6), tensioning roller (45) and the side of two guide roll (6) form the triangle-shaped structure.

8. The heating and winding device for the release film according to claim 2, characterized in that: guide blocks (46) are respectively arranged on two sides of the top of the heating box (2), guide rails (47) are arranged between the guide blocks (46), and the return air pipe box (26) is arranged on the guide rails (47) in a sliding mode.

9. The heating and winding device for the release film according to claim 1, characterized in that: the coiling box (3) is also provided with a humidity sensor (48) and a dehumidifier (49).

10. The heating and winding device for the release film according to claim 9, comprising: a controller (50) is arranged on the side edge of the rolling box (3).

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