Heating and humidifying box device capable of automatically controlling stress release of film

Abstract

The invention discloses a heating and humidifying box device capable of automatically controlling film stress release, which comprises a box body, one side of the box body is provided with an opening and is hinged with a baffle plate, a disc bracket is arranged in the box body, a rotating ring is arranged on the inner wall of one side of the box body far away from the baffle plate, an air cylinder is fixed on the rotating ring, and an output shaft of the air cylinder is fixed with the disc bracket; a plurality of take-up and pay-off rollers are rotationally installed on the disc support, one take-up and pay-off roller is a pay-off roller, and the other take-up and pay-off rollers are take-up rollers. Through the hot air circulating system and the humidity control system in the box body, the temperature and humidity in the box body can be monitored and adjusted in real time, accurate environmental conditions are provided for film stress release, the problem that a film shrinkage process is difficult to accurately control by traditional heat treatment equipment is effectively avoided, the size stability of a film in the processing process is ensured, and the film shrinkage rate is improved. And the possibility of quality problems such as non-uniform shrinkage, warping and bubbles is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of film stress release, and in particular to a heating and humidifying box device for automatically controlling film stress release. Background Art

[0002] The manufacturing process of PVB film mainly includes processes such as resin melting, extrusion molding, stretching and cooling. During these processes, certain stresses will accumulate inside the film. If these stresses are not released in advance during subsequent use or processing, quality problems may occur in the finished product, such as warping, bubbles, dimensional instability and other defects. In addition, the heat shrinkage characteristics of PVB film will cause insufficient size problems during the subsequent processing of laminated glass, affecting the assembly and final performance of the product. PVB interlayer is a material with good adhesion and optical transparency, and is widely used as an interlayer material for automotive and architectural glass. During the production process of PVB film, due to the influence of processes such as stretching, heating, and cooling, certain internal stresses will accumulate inside the film. If these internal stresses are not effectively released during subsequent use, the film will shrink unevenly at high temperatures, and even cause problems such as warping and bubbles, thereby affecting the quality and appearance of laminated glass.

[0003] It is difficult for traditional PVB film heat treatment equipment to accurately control the shrinkage process of the film, which leads to the problem of uneven shrinkage of the film during processing. Common methods include stress release through natural aging or simple heat treatment, but these methods often fail to achieve the desired effect and easily cause problems such as uneven film surface and unstable size. In addition, other film materials such as polyethylene (PE) film, polypropylene (PP) film, polyvinyl chloride (PVC) film, polyester (PET) film, etc. will also encounter similar stress accumulation and heat shrinkage problems during production and processing. If these stress and shrinkage problems are not effectively solved, it will directly affect the performance and life of the film material in various applications. In order to solve the above problems, the present invention proposes a heating and humidification box device that automatically controls the stress release of the film. The device can release the stress inside the film material in a short time through high temperature and humidity control, and ensure the dimensional stability of the film material in the length and width directions through the uniform transmission of the roller group. This stress release process is not only applicable to PVB intermediate film, but also to a variety of film materials such as PE, PP, PVC, and PET. Summary of the invention

[0004] In order to solve the problems mentioned in the above background technology, the present invention provides a heating and humidifying box device which automatically controls the stress release of the film.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A heating and humidifying box device for automatically controlling film stress release comprises a box, one side of the box is provided with an opening and is hinged with a baffle, a disc bracket is provided inside the box, a rotating ring is installed on the inner wall of the box away from the baffle, a cylinder is fixed on the rotating ring, an output shaft of the cylinder is fixed to the disc bracket, and a plurality of retracting rollers are rotatably installed on the disc bracket, one of the retracting rollers is a releasing roller, and the other retracting rollers are retracting rollers; The box is equipped with multiple temperature sensors, a hot air circulation system and a humidity control system to monitor and adjust the temperature and humidity inside the box in real time; The retractable roller is equipped with a heat medium channel to maintain a suitable working temperature. The retractable roller is equipped with a removable sleeve. The film is wound on the outside of the sleeve, and the sleeve surface is Teflon coated or wrapped with a release polytetrafluoroethylene heat shrink film to prevent the film from adhering to its surface, thereby improving production efficiency and product quality. The Teflon coating is resistant to high temperatures and wear, ensuring that it can maintain good performance after long-term use.

[0006] Preferably, a first servo motor is fixed on the outer wall of the box away from the baffle, the output shaft of the first servo motor extends into the interior of the box and is fixed with a first gear, a gear ring is fixed outside the rotating ring, and the first gear meshes with the gear ring.

[0007] Preferably, the second servo motor and the third servo motor are respectively mounted on the inner wall of the box, the output shafts of the second servo motor and the third servo motor are both fixed with a connector A, and the retracting roller serving as the retracting roller is fixed with a second gear.

[0008] Preferably, a third gear is rotatably mounted on the disc bracket at a position corresponding to the second gear, the second gear is meshed with the second gear, and a connector B is fixed on the third gear.

[0009] Preferably, a plurality of plug rods are fixed on the connector A, slots corresponding to the plug rods are provided on the connector B, and guiding inclined surfaces are directly provided between adjacent slots.

[0010] Preferably, a plurality of tensioning mechanisms are provided on a side of the disc support close to the sleeve, and the tensioning mechanisms include a pair of tensioning rollers, and the tensioning rollers are rotatably mounted on a movable support.

[0011] Preferably, the movable support is mounted on the disc bracket via a guide rail, a threaded rod is rotatably mounted on the disc bracket, the threaded rod is threadedly connected to the movable support, and a first bevel gear is fixed to one end of the threaded rod.

[0012] Preferably, the disc bracket is rotatably mounted with a driving shaft, one end of the driving shaft is fixed with a connector B, the other end of the driving shaft is fixed with a second bevel gear, and the first bevel gear is meshed with the second bevel gear.

[0013] Preferably, a plurality of mounting holes are provided on the retractable roller, and an inner support block is elastically and movably installed in the mounting hole. A trigger rod is also elastically installed in the retractable roller through the guide bracket for lifting and lowering. An arc-shaped protrusion is fixed on the side of the inner support block close to the trigger rod, a push ring is fixed on the outside of the trigger rod at a position corresponding to the arc-shaped protrusion, a push plate is fixed at one end of the trigger rod, and a trigger frame corresponding to the push plate is fixed inside the box.

[0014] Preferably, a limiting clamping plate is installed on the end of the retractable roller away from the push plate through a slide rail, an elastic telescopic rod is fixed between the limiting clamping plate and the slide rail, a wedge is fixed on the side of the limiting clamping plate close to the retractable roller, and a boss is provided on the outside of the trigger rod at a position corresponding to the wedge.

[0015] Compared with the prior art, the present invention has the following beneficial effects: Through the hot air circulation system and humidity control system inside the box, the temperature and humidity inside the box can be monitored and adjusted in real time, providing precise environmental conditions for film stress release, effectively avoiding the problem that traditional heat treatment equipment is difficult to accurately control the film shrinkage process, ensuring the dimensional stability of the film during processing, and reducing the possibility of quality problems such as uneven shrinkage, warping, and bubbles.

[0016] A heat medium channel is provided inside the retractable roller to maintain a suitable working temperature, which helps to more efficiently promote the stress release of the film and improve the effect and stability of stress release; The retractable rollers in the device are cleverly designed, one of which is the unwinding roller and the other is the rewinding roller. The film material roll on the unwinding roller can be easily transferred to the sleeve on the rewinding roller, and the heat shrinkage is gradually completed during the transfer process, realizing the automatic film stress release and transfer operation. The sleeve surface is Teflon coated or wrapped with a release polytetrafluoroethylene heat shrink film to prevent the film from adhering to its surface, thereby improving production efficiency and product quality. The Teflon coating is resistant to high temperature and wear, ensuring that it can maintain good performance after long-term use; When the cylinder is shortened and drives the retracting roller to be retracted into the box, the push plate contacts the trigger frame, pushing the trigger rod to move, so that the inner support block bulges outward and tightly presses against the inner wall of the sleeve, and at the same time, the boss pushes the limit card plate to be clamped on one end of the sleeve, so that the sleeve can be stably installed on the outside of the retracting roller; when the cylinder is extended to make the retracting roller extend out of the box, the inner support block and the limit card plate automatically retract, which is convenient for the disassembly and assembly of the sleeve, and the retracting roller on the disc bracket can be pushed out of the opening through the cylinder, which is convenient for the installation and disassembly of the film material roll; Only one second servo motor is needed to drive and rotate multiple retractable rollers respectively. Different retractable rollers can be replaced by rotating, and the film material roll can be wound onto multiple retractable rollers in sections. It is simple and convenient to use, and there is no need to install a servo motor on each retractable roller, thereby reducing the cost of the device. Due to the existence of the guiding bevel, when the insertion rod on the connector A is not aligned with the slot, the top end of the insertion rod contacts the guiding bevel, thereby ensuring that the insertion rod can be inserted into the slot adaptively through the guiding effect of the guiding bevel, thereby improving the flexibility and reliability of the device; The device is equipped with multiple sets of tensioning mechanisms. When transferring and transmitting the film material roll, the film is passed between two tensioning rollers at appropriate positions, and the driving shaft is driven to rotate by the third servo motor, and then the threaded rod is driven to rotate through the engagement of the first bevel gear and the second bevel gear. By adjusting the position of the tensioning roller, the tension of the film during the transmission process can be adjusted to prevent wrinkles and displacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 This is a first-view stereoscopic diagram of the baffle of the present invention in a closed state; Figure 2 This is a first-view stereoscopic diagram of the baffle of the present invention in an open state; Figure 3 It is a cross-sectional view of the box of the present invention; Figure 4 This is a schematic diagram of the internal structure of the box body of the present invention from a main perspective; Figure 5 This is an enlarged detail view of the internal structure of the box body of the present invention from the first perspective; Figure 6 This is a second perspective enlarged detail view of the internal structure of the box body of the present invention; Figure 7 This is an enlarged detail view of the internal structure of the box body of the present invention from a third viewing angle; Figure 8 This is an enlarged detail view of the internal structure of the box body of the present invention from the fourth viewing angle; Fig. 9 This is an enlarged detail view of the internal structure of the box body of the present invention from the fifth viewing angle; Fig.10 It is a schematic diagram of the matching relationship between the connector A and the connector B of the present invention; Fig.11 This is an enlarged detail view of the sleeve and the retractable roller of the present invention from the first perspective; Fig.12 This is an enlarged detail view of the sleeve and the retractable roller of the present invention from a second viewing angle; Fig.13 It is a first enlarged detail view of the internal structure of the retractable roller of the present invention; Fig.14 It is a second enlarged detail view of the internal structure of the retractable roller of the present invention; Fig.15 for Fig.13 A zoomed-in detail of position A in the middle; Fig.16 for Fig.13 Enlarged detail of position B in the middle; Fig.17 for Fig.14 Enlarged detail image of the middle C position; In the figure: 1 box, 101 baffle, 102 trigger frame, 2 rotating ring, 201 gear ring, 202 first servo motor, 203 first gear, 204 cylinder, 3 disc bracket, 301 retractable roller, 302 second gear, 303 connector B, 3031 slot, 3032 guide slope, 304 third gear, 305 second servo motor, 306 connector A, 3061 plug rod, 307 third servo motor, 4 sleeve, 5 drive shaft, 501 second bevel gear, 502 guide rail, 503 movable support, 504 tensioning roller, 505 threaded rod, 506 first bevel gear, 6 inner support block, 601 arc protrusion, 7 trigger rod, 701 boss, 702 push ring, 703 guide bracket, 704 push plate, 8 slide rail, 801 limit card plate, 802 elastic telescopic rod, 803 wedge block. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example 1

[0020] Reference Figure 1-17 A heating and humidifying box device for automatically controlling film stress release comprises a box 1, one side of the box 1 is provided with an opening and is hinged with a baffle 101, a disc bracket 3 is provided inside the box 1, a rotating ring 2 is installed on the inner wall of the box 1 away from the baffle 101, a cylinder 204 is fixed on the rotating ring 2, an output shaft of the cylinder 204 is fixed to the disc bracket 3, and a plurality of retracting rollers 301 are rotatably installed on the disc bracket 3, one of the retracting rollers 301 is a release roller, and the other retracting rollers 301 are retracting rollers; The box 1 is equipped with multiple temperature sensors, a hot air circulation system and a humidity control system to monitor and adjust the temperature and humidity inside the box 1 in real time; The retractable roller 301 is provided with a heat medium channel inside to maintain a suitable working temperature. The retractable roller 301 is detachably provided with a sleeve 4, on which the film is wound outside the sleeve 4, and the surface of the sleeve 4 is Teflon coated or wrapped with a release polytetrafluoroethylene heat shrink film to prevent the film from adhering to its surface, thereby improving production efficiency and product quality. The Teflon coating is resistant to high temperatures and wear, ensuring that it can maintain good performance after long-term use; When in use, the roll of film material that needs to release stress is installed on the reel 301 serving as the unwinding roller, and the roll of film material is wound around the outside of the sleeve 4. The sleeve 4 can be sleeved on the outside of the rewinding roller 301. The rewinding roller 301 serving as the winding roller is sleeved with an empty sleeve 4. By rotating the winding roller, the roll of film material on the unwinding roller can be transferred to the new sleeve 4. During the transmission process, heat shrinkage is gradually completed. Example 2

[0021] Reference Figure 1-17 The difference between this embodiment and embodiment 1 is that a first servo motor 202 is fixed on the outer wall of the box body 1 on the side away from the baffle 101, the output shaft of the first servo motor 202 extends to the interior of the box body 1 and is fixed with a first gear 203, a gear ring 201 is fixed to the outside of the rotating ring 2, the first gear 203 is meshed with the gear ring 201, a second servo motor 305 and a third servo motor 407 are respectively installed on the inner wall of the box body 1, the output shafts of the second servo motor 305 and the third servo motor 407 are fixed with a connector A306, a second gear 302 is fixed on the retracting roller 301 serving as a retracting roller, when the first servo motor 202 is turned on, the first gear 203 can be driven to rotate, and the rotating ring 2 can be driven to rotate by the meshing of the first gear 203 and the gear ring 201, thereby driving the disc bracket 3, and the retracting roller 301 on the disc bracket 3 can be pushed out from the opening by the cylinder 204, which facilitates the installation and removal of the film material roll.

[0022] Among them, a third gear 304 is rotatably installed on the disc bracket 3 at a position corresponding to the second gear 302, the second gear 302 is meshed with the second gear 302, and a connector B303 is fixed on the third gear 304, and a plurality of plug rods 3061 are fixed on the connector A306, and a slot 3031 corresponding to the plug rod 3061 is opened on the connector B303, and a guide slope 3032 is directly provided on the adjacent slot 3031. Due to the existence of the guide slope 3032, when the plug rod 3061 on the connector A306 is not aligned with the slot 3031, the top end of the plug rod 3061 contacts the guide slope 3032, so that the guide effect of the guide slope 3032 ensures that the plug rod 3061 can be inserted into the slot 3031 adaptively; By driving the disc bracket 3 to rotate, the position of each rewinding roller 301 can be exchanged, so that the connector B303 corresponding to each rewinding roller 301 can be aligned with the connector A306 on the second servo motor 305 respectively, and then the connector A306 and the connector B303 can be combined together by shortening the cylinder 204, so that only one second servo motor 305 is needed to drive and rotate multiple rewinding rollers 301 respectively, and different rewinding rollers 301 can be replaced by rotation, so that the film material roll can be conveniently wound in sections onto multiple rewinding rollers 301. It is simple and convenient to use, and there is no need to install a servo motor on each rewinding roller 301, thereby reducing the cost of the device. Example 3

[0023] Reference Figure 1-17 The difference between this embodiment and embodiment 2 is that a plurality of tensioning mechanisms are provided on one side of the disc bracket 3 close to the sleeve 4, and the tensioning mechanisms include a pair of tensioning rollers 504, the tensioning rollers 504 are rotatably mounted on the movable support 503, the movable support 503 is mounted on the disc bracket 3 through the guide rail 502, a threaded rod 505 is rotatably mounted on the disc bracket 3, the threaded rod 505 is threadedly connected to the movable support 503, a first bevel gear 506 is fixed to one end of the threaded rod 505, a driving shaft 5 is rotatably mounted on the disc bracket 3, a connector B303 is fixed to one end of the driving shaft 5, a second bevel gear 501 is fixed to the other end of the driving shaft 5, and the first bevel gear 506 is meshed with the second bevel gear 501; When transferring and conveying the film material roll, the film is passed between two tensioning rollers 504 at appropriate positions. By adjusting the position of the tensioning roller 504, the tension of the film during the conveying process can be adjusted to prevent wrinkles and displacement. In order to adjust the position of the tensioning roller 504, the connector A306 on the third servo motor 307 is aligned with the connector B303 on the drive shaft 5. The drive shaft 5 can be driven to rotate by the third servo motor 307, and the threaded rod 505 is driven to rotate by the engagement of the first bevel gear 506 and the second bevel gear 501, so that the position of the tensioning roller 504 can be adjusted by the third servo motor 307. Example 4

[0024] Reference Figure 1-17 The difference between this embodiment and the third embodiment is that a plurality of mounting holes are provided on the retractable roller 301, and an inner support block 6 is elastically and movably installed in the mounting hole. A trigger rod 7 is also elastically installed in the retractable roller 301 through a guide bracket 703 for lifting and lowering. An arc-shaped protrusion 601 is fixed on the side of the inner support block 6 close to the trigger rod 7, a push ring 702 is fixed on the outside of the trigger rod 7 at a position corresponding to the arc-shaped protrusion 601, a push plate 704 is fixed on one end of the trigger rod 7, and a trigger frame 102 corresponding to the push plate 704 is fixed inside the box body 1; When the cylinder 204 is shortened and drives the retracting roller 301 to be retracted into the box body 1, the push plate 704 contacts the trigger frame 102, thereby pushing the trigger rod 7 to move to the position as shown in FIG. Figure 15-17 position, at this time, through the cooperation between the arc-shaped protrusion 601 and the push ring 702, the inner support block 6 can be pushed to protrude outward, so that it can tightly abut against the inner wall of the sleeve 4, so that the sleeve 4 can be stably installed on the outside of the retracting roller 301, and when the cylinder 204 is extended to make the retracting roller 301 extend to the outside of the box body 1, the inner support block 6 will automatically retract due to the elastic force, and the sleeve 4 can be conveniently disassembled and assembled.

[0025] Among them, the end of the retractable roller 301 away from the push plate 704 is also installed with a limit card plate 801 through the slide rail 8, and an elastic telescopic rod 802 is fixed between the limit card plate 801 and the slide rail 8. A wedge block 803 is fixed on the side of the limit card plate 801 close to the retractable roller 301, and a boss 701 is provided on the outside of the trigger rod 7 at a position corresponding to the wedge block 803; When the cylinder 204 shortens and drives the retracting roller 301 to retract into the box body 1, the boss 701 can push the multiple wedge blocks 803 away from each other, thereby pushing the multiple limit clamps 801 away from each other, so that the limit clamp 801 can be clamped on one end of the sleeve 4, so that the sleeve 4 can be more stably installed on the outside of the retracting roller 301. When the cylinder 204 extends and makes the retracting roller 301 extend to the outside of the box body 1, the limit clamp 801 is retracted by the elastic force, so that the sleeve 4 can be easily disassembled and assembled.

[0026] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0027] In the present invention, unless otherwise clearly specified and limited, the terms "set", "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] The control method of the present invention is automatic control through a controller. The control circuit of the controller can be implemented by simple programming by technicians in this field. The provision of power is also common knowledge in this field. The present invention is mainly used to protect mechanical devices, so the present invention will no longer explain the control method and circuit connection in detail.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A heating and humidifying box device for automatically controlling film stress release, comprising a box (1), characterized in that: One side of the box body (1) is provided with an opening and is hingedly connected with a baffle (101); a disc bracket (3) is provided inside the box body (1); a rotating ring (2) is installed on the inner wall of the box body (1) away from the baffle (101); a cylinder (204) is fixed on the rotating ring (2); an output shaft of the cylinder (204) is fixed to the disc bracket (3); a plurality of retractable rollers (301) are rotatably installed on the disc bracket (3); one of the retractable rollers (301) is a retractable roller, and the remaining retractable rollers (301) are retractable rollers; The box (1) is internally provided with a plurality of temperature sensors, and is provided with a hot air circulation system and a humidity control system to monitor and adjust the temperature and humidity inside the box (1) in real time; A heat medium channel is provided inside the retractable roller (301) to maintain a suitable working temperature. A sleeve (4) is detachably mounted on the outside of the retractable roller (301), and the film is wound around the outside of the sleeve (4).

2. A heating and humidifying box device for automatically controlling film stress release according to claim 1, characterized in that: A first servo motor (202) is fixed on the outer wall of the box body (1) at a side away from the baffle (101); an output shaft of the first servo motor (202) extends into the interior of the box body (1) and is fixed with a first gear (203); a gear ring (201) is fixed on the exterior of the rotating ring (2); and the first gear (203) meshes with the gear ring (201).

3. A heating and humidifying box device for automatically controlling film stress release according to claim 2, characterized in that: A second servo motor (305) and a third servo motor (307) are respectively mounted on the inner wall of the box body (1); a connector A (306) is fixed to the output shafts of the second servo motor (305) and the third servo motor (307); and a second gear (302) is fixed to the retractable roller (301) serving as the retractable roller.

4. A heating and humidifying box device for automatically controlling film stress release according to claim 3, characterized in that: A third gear (304) is rotatably mounted on the disc support (3) at a position corresponding to the second gear (302), the second gear (302) is meshed with the second gear (302), and a connector B (303) is fixed on the third gear (304).

5. A heating and humidifying box device for automatically controlling film stress release according to claim 4, characterized in that: A plurality of insertion rods (3061) are fixed on the connector A (306), and slots (3031) corresponding to the insertion rods (3061) are provided on the connector B (303), and adjacent slots (3031) are directly provided with guide inclined surfaces (3032).

6. A heating and humidifying box device for automatically controlling film stress release according to claim 5, characterized in that: A plurality of tensioning mechanisms are provided on a side of the disc support (3) close to the sleeve (4), wherein the tensioning mechanisms include a pair of tensioning rollers (504), and the tensioning rollers (504) are rotatably mounted on the movable support (503).

7. A heating and humidifying box device for automatically controlling film stress release according to claim 6, characterized in that: The movable support (503) is mounted on the disc support (3) via a guide rail (502); a threaded rod (505) is rotatably mounted on the disc support (3); the threaded rod (505) is threadedly connected to the movable support (503); and a first bevel gear (506) is fixed to one end of the threaded rod (505).

8. A heating and humidifying box device for automatically controlling film stress release according to claim 7, characterized in that: The disk bracket (3) is rotatably mounted with a driving shaft (5), one end of the driving shaft (5) is fixed with a connector B (303), the other end of the driving shaft (5) is fixed with a second bevel gear (501), and the first bevel gear (506) is meshed with the second bevel gear (501).

9. A heating and humidifying box device for automatically controlling film stress release according to claim 8, characterized in that: The retractable roller (301) is provided with a plurality of mounting holes, in which an inner support block (6) is elastically and movably mounted, and a trigger rod (7) is also elastically mounted in the retractable roller (301) via a guide bracket (703) for lifting and lowering, and an arc-shaped protrusion (601) is fixed to a side of the inner support block (6) close to the trigger rod (7), a push ring (702) is fixed to the outside of the trigger rod (7) at a position corresponding to the arc-shaped protrusion (601), a push plate (704) is fixed to one end of the trigger rod (7), and a trigger frame (102) corresponding to the push plate (704) is fixed to the inside of the box (1).

10. A heating and humidifying box device for automatically controlling film stress release according to claim 9, characterized in that: A limit clamping plate (801) is installed on one end of the retractable roller (301) away from the push plate (704) through the slide rail (8); an elastic telescopic rod (802) is fixed between the limit clamping plate (801) and the slide rail (8); a wedge block (803) is fixed on one side of the limit clamping plate (801) close to the retractable roller (301); and a boss (701) is provided on the outside of the trigger rod (7) at a position corresponding to the wedge block (803).

Images