Preheating device for improving wrinkles of coating base film
By designing a preheating device with a preheating mechanism, and applying lateral force to the base film using the gear and belt transmission mechanism, the problem of difficulty in flattening the base film during heating in the prior art is solved, and the quality of the coating process is improved.
Patent Information
- Application Number
- CN202421058671.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-15
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-05-15
Smart Images

Figure CN222568294U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of coating base films, in particular to a preheating device for improving the wrinkles of coating base films. Background Art
[0002] Coating base film is a basic film used in coating process. This film is usually made of polymer or other materials and is used to evenly coat liquid or powder materials on the surface of substrate in industrial production. This technology has a wide range of applications in various fields, including the preparation of coatings, inks, adhesives, coatings and functional films.
[0003] At present, the coating base film preheating device used in the industry basically relies on improving the film by heating the film with an oven or a hot roller; however, since the deformation of the base film is mostly lateral deformation, if it is only heated without lateral force on the base film, it is difficult to flatten the deformed base film that has been formed, resulting in the base film being scrapped due to wrinkles during the coating process. Utility Model Content
[0004] In view of this, the purpose of the utility model is to provide a preheating device for improving the wrinkles of the coated base film, so as to solve the problem that the wrinkled part of the base film cannot be flattened laterally during the heating process.
[0005] Based on the above purpose, the utility model provides a preheating device for improving the wrinkles of a coated base film, comprising: a preheating oven shell, wherein both sides of the interior of the preheating oven shell are fixedly provided with preheating mechanisms;
[0006] The preheating mechanism includes a first preheating roller guide rail, a plurality of evenly distributed first preheating roller shafts are rotatably connected to the first preheating roller guide rail, a driving motor is fixedly mounted on one end of the first preheating roller shaft, a first gear is fixedly mounted on the other end of the first preheating roller shaft, a first pulley is provided at the end of the first preheating roller guide rail away from the driving motor, the first pulley is fixedly mounted on one end of the first preheating roller shaft, a first roller is fixedly mounted on the first preheating roller shaft, a second preheating roller guide rail is provided below the first roller, a plurality of evenly distributed second preheating roller shafts are rotatably connected to the second preheating roller guide rail, a second roller is fixedly mounted on the second preheating roller shaft.
[0007] As an optional embodiment, a second gear is fixedly installed on one end of the second preheating roller, and a second pulley is fixedly connected to the other end of the second preheating roller, the second pulley is connected to the first pulley through a belt, and the drive motor, the first pulley and the second pulley are located on the same side.
[0008] As an optional implementation, a plurality of the first gears are meshed and connected with each other, and a plurality of the second gears are meshed and connected with each other.
[0009] As an optional implementation, the first preheating roller guide rail corresponds to the second preheating roller guide rail, and the first preheating roller guide rail, the drive motor and the second preheating roller guide rail are all fixedly installed inside the preheating oven shell.
[0010] As an optional implementation, a plurality of evenly distributed air ducts are provided on one side of the upper end of the shell of the preheating oven, and a plurality of evenly distributed air nozzles are fixedly connected to the lower end of the air ducts.
[0011] As an optional implementation, a heating module is fixedly installed at the air inlet of the air duct.
[0012] As an optional embodiment, a base film feed port is provided on one side of the preheating oven shell, and a base film discharge port is provided on the other side of the preheating oven shell.
[0013] Beneficial effects of the utility model:
[0014] First, the utility model is provided with a preheating mechanism. When the coated base film enters the preheating oven, the preheating mechanism in the preheating oven drives the first preheating roller to rotate through a driving motor, drives the first roller to rotate, and then drives the first pulley to rotate through a plurality of first gears meshing with each other, relies on a belt to drive the second pulley to rotate, and drives the second preheating roller to rotate through a plurality of second gears meshing with each other, drives the second roller to rotate, and the first roller and the second roller on both sides of the preheating oven clamp the base film, so that the first roller and the second roller on both sides have a lateral effect on the base film, so that the severely wrinkled part of the film roll can be flattened to a certain extent.
[0015] Second, the utility model sets up a heating module, an air duct and an air nozzle, and the air nozzles in each row of the preheating oven share one air duct. The wind entering the air duct is individually controlled by a heating module that can adjust the temperature and frequency, and the temperature and air volume of the wind entering each air duct can be adjusted independently, thereby controlling the temperature and frequency of the hot air reaching the surface of the base film through the air nozzle. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the technical solutions in the present invention or 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 in the following description are only for the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0017] Figure 1 This is a cross-sectional view of the overall structure of an embodiment of the utility model;
[0018] Figure 2 This is a schematic diagram of the preheating mechanism of the embodiment of the utility model;
[0019] Figure 3 This is a side view of the internal structure of the preheating oven according to the embodiment of the utility model;
[0020] Figure 4 This is a circuit diagram of a heating module according to an embodiment of the utility model.
[0021] The markings in the figure are:
[0022] 1. Preheating oven shell; 2. Preheating mechanism; 201. First preheating roller guide; 202. First preheating roller shaft; 203. Driving motor; 204. First gear; 205. First pulley; 206. First roller; 207. Second preheating roller guide; 208. Second preheating roller shaft; 209. Second roller; 210. Second gear; 211. Second pulley; 212. Belt; 3. Air duct; 4. Air nozzle; 5. Heating module; 6. Base film feed port; 7. Base film discharge port. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments.
[0024] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the present invention should be understood by people with ordinary skills in the field to which the present invention belongs. The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.
[0025] like Figure 1-Figure 4 As shown, a preheating device for improving wrinkles of a coated base film comprises: a preheating oven shell 1, and preheating mechanisms 2 are fixedly arranged on both sides of the interior of the preheating oven shell 1;
[0026] The preheating mechanism 2 comprises a first preheating roller guide rail 201, on which a plurality of evenly distributed first preheating roller shafts 202 are rotatably connected, a driving motor 203 is fixedly installed at one end of the first preheating roller shaft 202, a first gear 204 is fixedly installed at the other end of the first preheating roller shaft 202, and a first pulley 205 is provided at one end of the first preheating roller guide rail 201 away from the driving motor 203, the first pulley 205 is fixedly installed at one end of the first preheating roller shaft 202, and a first roller 206 is fixedly installed on the first preheating roller shaft 202, a second preheating roller guide rail 207 is provided below the first roller 206, a plurality of evenly distributed second preheating roller shafts 208 are rotatably connected to the second preheating roller guide rail 207, and a second roller 209 is fixedly installed on the second preheating roller shaft 208;
[0027] As an optional implementation, Figure 1 , Figure 2 , Figure 3 As shown, a second gear 210 is fixedly installed at one end of the second preheating roller 208, and a second pulley 211 is fixedly connected to the other end of the second preheating roller 208. The second pulley 211 is connected to the first pulley 205 through a belt 212, and the drive motor 203, the first pulley 205 and the second pulley 211 are located on the same side.
[0028] In this way, by providing the preheating mechanism 2, when the coated base film enters the preheating oven, the preheating mechanism 2 in the preheating oven drives the first preheating roller 202 to rotate through the driving motor 203, drives the first roller 206 to rotate, and then drives the first pulley 205 to rotate through the mutual engagement of a plurality of first gears 204, drives the second pulley 211 to rotate by means of the belt 212, and drives the second preheating roller 208 to rotate through the mutual engagement of a plurality of second gears 210, drives the second roller 209 to rotate, and the first rollers 206 and the second rollers 209 on both sides of the preheating oven clamp the base film, so that the first rollers 206 and the second rollers 209 on both sides have a lateral effect on the base film, so that the severely wrinkled parts of the film roll can be flattened to a certain extent.
[0029] As an optional implementation, Figure 1 , Figure 2 , Figure 3 As shown, a plurality of first gears 204 are meshed and connected with each other, and a plurality of second gears 210 are meshed and connected with each other.
[0030] In this way, the power of the driving motor 203 can be transmitted to the first preheating rollers 202 through the mutual meshing connection between the first gears 204, thereby driving the first pulley 205 and the first roller 206 to rotate. The power of the second pulley 211 can be transmitted to the second preheating roller 208 through the mutual meshing connection between the second gears 210, thereby driving the second roller 209 to rotate.
[0031] As an optional implementation, Figure 1 , Figure 2 , Figure 3 As shown, the first preheating roller guide 201 corresponds to the second preheating roller guide 207 , and the first preheating roller guide 201 , the driving motor 203 and the second preheating roller guide 207 are all fixedly installed inside the preheating oven shell 1 .
[0032] In this way, the preheating oven shell 1 supports the first preheating roller guide 201 , the driving motor 203 , and the second preheating roller guide 207 .
[0033] As an optional implementation, Figure 1 , Figure 3 , Figure 4 As shown, a plurality of evenly distributed air ducts 3 are provided on one side of the upper end of the preheating oven shell 1, a plurality of evenly distributed air nozzles 4 are fixedly connected to the lower end of the air duct 3, and a heating module 5 is fixedly installed at the air inlet of the air duct 3.
[0034] In this way, by setting up the heating module 5, the air duct 3 and the air nozzle 4, the air nozzles 4 in each row of the preheating oven share one air duct 3, and the wind entering the air duct 3 is individually controlled by the heating module 5 which can adjust the temperature and frequency, and the wind temperature and air volume entering each air duct 3 can be adjusted individually, thereby controlling the temperature and frequency of the hot air reaching the surface of the base film through the air nozzle 4.
[0035] As an optional implementation, Figure 1 , Figure 3 As shown, a base film feed port 6 is provided on one side of the preheating oven shell 1 , and a base film discharge port 7 is provided on the other side of the preheating oven shell 1 .
[0036] In this way, the base film feed port 6 and the base film discharge port 7 are consistent with the distance between the first preheating roller guide 201 and the second preheating roller guide 207, so that the base film can continuously enter to maintain the continuity of production or operation.
[0037] In this embodiment, after the coated base film enters the preheating oven, the preheating mechanism 2 in the preheating oven drives the first preheating roller 202 to rotate through the driving motor 203, drives the first roller 206 to rotate, and then drives the first pulley 205 to rotate through the mutual engagement of a plurality of first gears 204, drives the second pulley 211 to rotate by means of the belt 212, and drives the second preheating roller 208 to rotate through the mutual engagement of a plurality of second gears 210, drives the second roller 209 to rotate, and the first rollers 206 and the second rollers 209 on both sides of the preheating oven clamp the base film, so that the first rollers 206 and the second rollers 209 on both sides have a lateral effect on the base film, so that the severely wrinkled parts of the film roll can be flattened to a certain extent.
[0038] A person skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to imply that the scope of the present invention is limited to these examples; under the concept of the present invention, the technical features in the above embodiments or different embodiments may also be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity. Any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of protection of the present invention.
Claims
1. A preheating device for improving the wrinkles of a coating base film, characterized in that: include: A preheating oven shell (1), wherein both sides of the interior of the preheating oven shell (1) are fixedly provided with preheating mechanisms (2); The preheating mechanism (2) comprises a first preheating roller guide rail (201), a plurality of evenly distributed first preheating roller shafts (202) are rotatably connected to the first preheating roller guide rail (201), a driving motor (203) is fixedly mounted on one end of the first preheating roller shaft (202), a first gear (204) is fixedly mounted on the other end of the first preheating roller shaft (202), and a first pulley (204) is provided at one end of the first preheating roller guide rail (201) away from the driving motor (203). 205), the first pulley (205) is fixedly mounted on one end of the first preheating roller (202), and the first preheating roller (202) is fixedly mounted with a first roller (206), a second preheating roller guide rail (207) is arranged below the first roller (206), a plurality of evenly distributed second preheating rollers (208) are rotatably connected to the second preheating roller guide rail (207), and a second roller (209) is fixedly mounted on the second preheating roller (208).
2. A preheating device for improving wrinkles of a coating base film according to claim 1, characterized in that: A second gear (210) is fixedly mounted on one end of the second preheating roller (208), and a second pulley (211) is fixedly connected to the other end of the second preheating roller (208), the second pulley (211) is connected to the first pulley (205) via a belt (212), and the drive motor (203), the first pulley (205) and the second pulley (211) are located on the same side.
3. A preheating device for improving wrinkles of a coating base film according to claim 2, characterized in that: A plurality of the first gears (204) are meshed and connected with each other, and a plurality of the second gears (210) are meshed and connected with each other.
4. A preheating device for improving wrinkles of a coating base film according to claim 1, characterized in that: The first preheating roller guide rail (201) corresponds to the second preheating roller guide rail (207), and the first preheating roller guide rail (201), the driving motor (203) and the second preheating roller guide rail (207) are all fixedly installed inside the preheating oven shell (1).
5. The preheating device for improving the wrinkles of the coating base film according to claim 1, characterized in that: A plurality of evenly distributed air ducts (3) are provided on one side of the upper end of the preheating oven shell (1), and a plurality of evenly distributed air nozzles (4) are fixedly connected to the lower end of the air duct (3).
6. A preheating device for improving wrinkles of a coating base film according to claim 5, characterized in that: A heating module (5) is fixedly installed at the air inlet of the air duct (3).
7. A preheating device for improving wrinkles of a coating base film according to claim 1, characterized in that: A base film feed port (6) is provided on one side of the preheating oven shell (1), and a base film discharge port (7) is provided on the other side of the preheating oven shell (1).