Drying device for protective film production
By introducing a drive component to adjust the distance between the drying roller components and the design of the hot air nozzle in the drying device, the problem of fixed drying path length for the protective film is solved, achieving flexible adjustment and efficient and uniform drying effect.
Patent Information
- Application Number
- CN202520292215.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-02-24
AI Technical Summary
The fixed path length of the protective film inside the existing drying room results in insufficient drying efficiency and an inability to adjust according to material characteristics.
The distance between the drying roller assemblies is adjusted by using a drive component, and combined with the design of hot air nozzles and heat preservation chambers, the path length can be flexibly adjusted. The hot air blower, drive motor and air pump are managed in a unified manner through a controller.
It enables flexible adjustment of drying efficiency based on material characteristics, improves drying uniformity and efficiency, and avoids the generation of mist and impurity residue on the protective film surface.
Smart Images

Figure CN223802912U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to protection film drying technical field, concretely is a kind of drying device for protection film production. BACKGROUND
[0002] Protection film is a kind of polymer material film for protecting object surface from scratch, pollution, corrosion and other damages, and is widely used in electronic, building, automobile, household appliance and other industries.
[0003] Drying process is the key step in protection film production, and affects the quality and performance of product. The existing drying method is mainly through drying room for drying. The protection film is wound on the guide roller in the drying room, and the time of the protection film in the drying room is prolonged. However, the drying efficiency of the protection film made of different material raw materials is different. The drying efficiency is relatively passive by simply controlling the temperature and air speed. The length of the walking path of the protection film in the drying room cannot be adjusted according to the material characteristics, so as to affect the drying efficiency and the drying is not flexible enough. UTILITY MODEL CONTENT
[0004] The technical problem to be solved by the utility model is that the length of the walking path of the protection film in the drying room is fixed, the drying is not flexible enough, and the drying efficiency is affected.
[0005] To solve the above technical problems, the utility model provides the following technical scheme: the utility model provides a kind of drying device for protection film production, including drying box, the two sides of the drying box are equipped with import and export and the auxiliary roller is equipped in the drying box and is located at the import and export position, the front wall of the drying box is equipped with hot air machine and the inside lateral wall is connected with hot air nozzle by hot air pipe, the top of the drying box is equipped with exhaust window, the drying box is also equipped with guide roller structure;The guide roller structure includes upper support frame, lower support frame and sliding column arranged at four corners between the upper support frame and the lower support frame, the upper adjusting plate and the lower adjusting plate are slidably arranged on the sliding column, the opposite surfaces of the upper adjusting plate and the lower adjusting plate are spaced and staggered, and the drying roller assembly is arranged therebetween, and the driving assembly for driving the distance between the upper adjusting plate and the lower adjusting plate is arranged on the upper support frame.
[0006] Preferred technical scheme one: the driving assembly includes driving motor and adjusting screw rod, the adjusting screw rod is rotatably arranged between the upper support frame and the lower support frame, two groups of thread groups with opposite screw directions are arranged on the adjusting screw rod, the two ends of the upper adjusting plate and the lower adjusting plate are respectively connected with the two groups of thread groups with opposite screw directions, the upper end of the adjusting screw rod penetrates and extends above the upper support frame, the chain wheels are arranged on the top of the adjusting screw rod, the chains are sleeved on the two chain wheels and engaged with the chain wheels, and the driving motor is arranged on the top of the drying box, and the power output shaft is connected with one group of adjusting screw rod.
[0007] Preferably, the second technical solution is that the drying roller assembly comprises a fixing frame and drying rollers rotatably arranged on opposite side walls of the fixing frame, the drying rollers are uniformly provided with a plurality of groups of grooves with their axes as centers, and the grooves are uniformly provided with a plurality of groups of air outlets along the length direction of the drying rollers, the drying rollers are provided with air inlet pipelines and are in communication with the air outlets, and the hot air pipes are in communication with the air inlet pipelines, so that the uniformity and efficiency of drying are improved.
[0008] Preferably, the third technical solution is that the drying box is provided with a heat preservation bin at the outlet position, and the heat preservation bin is provided with a plurality of groups of wind baffles at intervals.
[0009] Preferably, the fourth technical solution is that the drying box is provided with a pre-cleaning bin at the outlet position, the inside of the pre-cleaning bin is provided with a spray head on the upper and lower walls, the outer wall of the pre-cleaning bin is provided with an air pump and is in communication with the spray head through an air pipe.
[0010] Preferably, the fifth technical solution is that the spray head is inclined to the feeding end position.
[0011] Preferably, the sixth technical solution is that the front of the drying box is provided with a controller, and the hot air blower, the driving motor and the air pump are electrically connected with the controller.
[0012] The drying device for protective film production provided by the utility model has the following beneficial effects achieved by the above structure:
[0013] (1) The distance between the upper adjusting plate and the lower adjusting plate is driven by the driving assembly, so that the distance between the drying roller assemblies is adjusted, the walking path length of the protective film in the drying box is adjusted, and the drying efficiency of the protective film is flexibly adjusted according to the material characteristics;
[0014] (2) The heat preservation bin avoids that mist is generated on the surface of the protective film after the protective film rapidly enters the low temperature from the high temperature, and the pre-cleaning bin blows away the impurities on the surface of the protective film. DETAILED DESCRIPTION
[0015] The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used to explain the utility model together with embodiments of the utility model, and do not constitute a limitation to the utility model. In the drawings:
[0016] Figure 1 It is a whole structure schematic view of the drying device for protective film production provided by the utility model;
[0017] Figure 2 It is an internal structure schematic view of the drying device for protective film production provided by the utility model;
[0018] Figure 3 It is Figure 2 A partial enlarged schematic view of part A;
[0019] Figure 4 The utility model provides a kind of drying roll assembly schematic view of drying device for protective film production.
[0020] Wherein, 1, drying box, 2, auxiliary roller, 3, hot air machine, 4, hot air pipe, 5, exhaust window, 6, upper support frame, 7, lower support frame, 8, sliding column, 9, upper adjusting plate, 10, lower adjusting plate, 11, drying roll assembly, 12, driving motor, 13, adjusting screw, 14, chain wheel, 15, chain, 16, fixing frame, 17, drying roller, 18, groove, 19, exhaust port, 20, air inlet pipeline, 21, heat preservation bin, 22, wind baffle, 23, pre-cleaning bin, 24, spray head, 25, controller, 26, air pump. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0022] It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "in" and "out" refer to the directions towards or away from the geometric center of a particular component.
[0023] Embodiment one
[0024] As shown in Figures 1-4 The technical solutions adopted by the utility model are as follows: a drying device for protective film production, comprising a drying box 1, an inlet and an outlet are arranged on the two sides of the drying box 1, auxiliary rollers 2 are arranged at the positions of the inlet and the outlet in the drying box 1, a hot air machine 3 is arranged on the front wall of the drying box 1, and hot air nozzles are connected to the inner side wall of the drying box 1 through a hot air pipe 4, an exhaust window 5 is arranged on the top of the drying box 1, and a guide roller structure is further arranged in the drying box 1; the guide roller structure comprises an upper support frame 6, a lower support frame 7, and sliding columns 8 arranged at the four corners between the upper support frame 6 and the lower support frame 7, upper adjusting plates 9 and lower adjusting plates 10 are slidably arranged on the sliding columns 8, drying roll assemblies 11 are arranged at intervals and staggered on the opposite surfaces of the upper adjusting plates 9 and the lower adjusting plates 10, and a driving assembly for driving and adjusting the distance between the upper adjusting plates 9 and the lower adjusting plates 10 is arranged on the upper support frame 6.
[0025] As shown in Figures 2-3As shown, the drive assembly includes a drive motor 12 and an adjusting screw 13, the adjusting screw 13 is rotatably arranged between the upper support frame 6 and the lower support frame 7, the adjusting screw 13 is provided with two groups of threads with opposite directions, the upper adjusting plate 9 and the lower adjusting plate 10 are connected with the two groups of threads with opposite directions at both ends, the upper end of the adjusting screw 13 penetrates and extends above the upper support frame 6, the top of the adjusting screw 13 is provided with a chain wheel 14, and two chain wheels 14 are sleeved with a chain 15 and engaged with the chain 15, the drive motor 12 is arranged at the top of the drying box 1 and the power output shaft is connected with a group of adjusting screws 13, so as to adjust the walking path length of the protective film in the drying box 1, and thus the drying efficiency of the protective film can be flexibly adjusted according to the material characteristics.
[0026] Example two
[0027] Based on example one, as shown, Figures 2-4 The drying roller assembly 11 includes a fixed frame 16 and a drying roller 17 rotatably arranged on the opposite side walls of the fixed frame 16, the drying roller 17 is uniformly provided with a plurality of grooves 18 with the axis as the center, and a plurality of exhaust ports 19 are uniformly arranged in the grooves 18 along the length direction of the drying roller 17, the drying roller 17 is provided with an air inlet pipeline 20 and is connected with the exhaust port 19, the hot air pipe 4 is connected with the air inlet pipeline 20, which increases the uniformity and drying efficiency of drying.
[0028] The drying box 1 is provided with a heat preservation bin 21 at the outlet position, so as to avoid the generation of mist on the surface of the protective film after entering the low temperature from the high temperature, a plurality of wind blocking rings 22 are arranged at intervals in the heat preservation bin 21, so as to reduce the blowing of the internal hot air to the outside, so that the temperature in the heat preservation bin 21 gradually decreases and approaches the outside temperature; the drying box 1 is provided with a pre-cleaning bin 23 at the outlet position, the upper and lower walls of the pre-cleaning bin 23 are provided with spray heads 24, the outer wall of the pre-cleaning bin 23 is provided with an air pump 26 and is connected with the spray head 24 through an air pipe, the air pipe is inclined to the feeding end position, and the impurities on the surface of the protective film are blown off.
[0029] Among them, the front of the drying box 1 is provided with a controller 25, the hot air machine 3, the drive motor 12 and the air pump 26 are electrically connected with the controller 25.
[0030] In specific use, the protective film first enters the pre-cleaning bin 23, and the surface impurities are blown away through cooperation of the air pump 26 and the spray head 24, then is guided to be wound on the multiple groups of drying rollers 17 by the auxiliary roller 2 for the first time, and finally is discharged through the heat preservation bin 21, the hot air is blown into the drying box 1 through the hot air machine 3, the generated humid hot gas is discharged through the exhaust window 5, meanwhile, the hot air machine 3 is communicated with the drying roller 17, and the multiple groups of grooves 18 and the exhaust port 19 are cooperated to realize efficient and uniform drying of the protective film, when different material raw materials are selected, the time of the protective film in the drying box 1 needs to be prolonged or shortened, only the driving motor 12 is started to drive one group of adjusting screws 13 to rotate, another group of adjusting screws 13 is driven to rotate through the cooperation of the chain wheel 14 and the chain 15, so that the distance between the upper adjusting plate 9 and the lower adjusting plate 10 is flexibly adjusted, and then the path length of the protective film in the drying box 1 is adjusted, and the adjustment is more flexible and convenient.
[0031] In addition, the controller 25, the hot air machine 3, the driving motor 12 and the air pump 26 and the matched power supply and control switch mentioned in the embodiment are provided by the manufacturer, the circuit, the electronic components and the modules are all prior art, and the person skilled in the art can realize them without further description.
[0032] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0033] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A drying apparatus for producing protective film, comprising a drying chamber (1), wherein the drying chamber (1) has an inlet and an outlet on both sides and auxiliary rollers (2) are provided inside the drying chamber (1) at the inlet and outlet positions, a hot air blower (3) is provided on the front wall of the drying chamber (1) and a hot air nozzle is connected to the inner side wall through a hot air pipe (4), and an exhaust window (5) is provided on the top of the drying chamber (1), characterized in that: The drying box (1) is further provided with a guide roller structure. The guide roller structure comprises an upper support frame (6), a lower support frame (7), and sliding columns (8) arranged at the four corners between the upper support frame (6) and the lower support frame (7), the upper adjusting plate (9) and the lower adjusting plate (10) are slidably arranged on the sliding columns (8), the opposite surfaces of the upper adjusting plate (9) and the lower adjusting plate (10) are spaced and staggered to arrange the drying roller assembly (11), and the upper support frame (6) is provided with a driving assembly for driving the distance between the upper adjusting plate (9) and the lower adjusting plate (10).
2. The drying device for a protective film according to claim 1, characterized by: The driving assembly comprises a driving motor (12) and an adjusting screw (13), the adjusting screw (13) is rotatably arranged between the upper support frame (6) and the lower support frame (7), the adjusting screw (13) is provided with two groups of threads with opposite directions, the two ends of the upper adjusting plate (9) and the lower adjusting plate (10) are connected with the two groups of threads with opposite directions, the upper end of the adjusting screw (13) penetrates and extends above the upper support frame (6), the top of the adjusting screw (13) is provided with a sprocket (14), and the two groups of sprockets (14) are sleeved with a chain (15) and engaged with the chain (15), and the driving motor (12) is arranged at the top of the drying box (1) and connected with a group of adjusting screws (13).
3. The drying apparatus for a protective film according to claim 2, characterized by: The drying roller assembly (11) comprises a fixed frame (16) and a drying roller (17) rotatably arranged on the opposite side walls of the fixed frame (16), the drying roller (17) is uniformly arranged with a plurality of grooves (18) with the axis as the center, and a plurality of exhaust ports (19) are uniformly arranged in the grooves (18) along the length direction of the drying roller (17), the drying roller (17) is provided with an air inlet pipeline (20) and is connected with the exhaust ports (19), and the hot air pipe (4) is connected with the air inlet pipeline (20) respectively.
4. The drying apparatus for a protective film according to claim 1, characterized by: The drying box (1) is provided with a heat preservation bin (21) at the outlet position, and a plurality of wind blocking rings (22) are arranged at intervals in the heat preservation bin (21).
5. The drying apparatus for a protective film according to claim 3, characterized by: The drying box (1) is provided with a pre-cleaning bin (23) at the outlet position, a spray head (24) is arranged on the upper and lower walls in the pre-cleaning bin (23), and a gas pump (26) is arranged on the outer wall of the pre-cleaning bin (23) and connected with the spray head (24) through an air pipe.
6. The drying apparatus for a protective film according to claim 5, characterized by: The spray head (24) is inclined to the feeding end position.
7. The drying apparatus for a protective film according to claim 6, characterized by: The front of the drying box (1) is provided with a controller (25), and the hot air blower (3), the driving motor (12) and the gas pump (26) are electrically connected with the controller (25).