Film coating device and production line of air conditioning equipment

Abstract

This application relates to the field of air conditioning equipment technology, providing a laminating device and a production line for air conditioning equipment. The laminating device includes a film feeding device and a cutting device. The film feeding device includes a drive roller and a driven roller. The driven roller presses the unfolded dustproof film roll against the drive roller, and the drive roller rotates to pull the dustproof film downwards. The cutting device is located below the film feeding device and is used to cut a preset length of dustproof film, which is then laid on the surface of the air conditioning equipment. The laminating device provided in this application can improve the automation level and production efficiency of the laminating process, and reduce costs.

Description

Technical Field

[0001] This application relates to the field of air conditioning equipment technology, and more particularly to a coating device and an air conditioning equipment production line. Background Technology

[0002] This section is intended to provide background or context for embodiments of this application. The description herein is not intended to imply that it is prior art simply because it is included in this section.

[0003] The air conditioning equipment assembled on the production line is covered with a dustproof film to prevent the air conditioning equipment from being scratched, oiled, or dusted during transportation and storage, thus providing good protection.

[0004] In related technologies, the feeding method for dustproof films typically involves stacking multiple pre-cut dustproof films in a hopper, then manually retrieving them and laying them onto the air conditioning equipment. This results in several drawbacks: firstly, the dustproof film undergoes multiple processes including cutting, storage, and transportation, before being manually laid onto the air conditioning equipment, leading to high production costs; secondly, the size of the dustproof film varies depending on the type of air conditioning equipment, making it prone to errors when changing types. Furthermore, the dustproof film carries static electricity, requiring a longer time for operators to separate it, thus impacting production cycle time. Utility Model Content

[0005] In view of this, the present application aims to provide a production line for a coating apparatus and an air conditioning equipment, which can improve the automation level and production efficiency of the coating process and reduce costs.

[0006] A first aspect of this application provides a coating device for use in an air conditioning device, the coating device comprising:

[0007] The film feeding device includes a drive roller and a driven roller. The driven roller can press the unfolded dustproof film against the drive roller, and the drive roller rotates to pull the dustproof film downward.

[0008] A cutting device is located below the film feeding device. The cutting device is used to cut a dustproof film of a preset length, which is then laid on the surface of the air conditioning device.

[0009] In some embodiments, the film feeding device includes a frame and an active drive unit, the active drive unit being used to drive the active roller to rotate, the frame forming a receiving cavity, and the active roller, the driven roller and the active drive unit all being located within the receiving cavity.

[0010] In some embodiments, the film feeding device includes a side-push drive that drives the driven roller to reciprocate to press against or move away from the dustproof film, the side-push drive being located within the receiving cavity.

[0011] In some embodiments, the film feeding device includes a drive belt, a first pulley, and a second pulley. The drive belt, the first pulley, and the second pulley are all located outside the receiving cavity. The first pulley is connected to the active drive member, and the second pulley is connected to the active roller. The active drive member is located on the side of the active roller closer to the driven roller. The drive belt connects the first pulley and the second pulley.

[0012] In some embodiments, there are multiple driven rollers, which are spaced apart along the axial direction of the driving roller.

[0013] In some embodiments, the film delivery device includes an antistatic mechanism that can blow ionized air toward the dustproof film.

[0014] In some embodiments, there are two static eliminators, which are located on opposite sides of the thickness direction of the dustproof film.

[0015] In some embodiments, the cutting device includes a cutting mechanism and a pushing mechanism. The cutting mechanism includes a cutter and a fixing frame. The cutter is disposed on the fixing frame. The pushing mechanism pushes the dustproof film to move until it contacts the cutter. The cutter is used to cut the dustproof film.

[0016] In some embodiments, the cutting mechanism includes a protective cover movably disposed on the mounting frame, the protective cover having an opening slot facing the pushing mechanism, the pushing mechanism pushing the protective cover to move such that the cutter can extend out of the opening slot or retract into the protective cover.

[0017] In some embodiments, the coating apparatus includes a conveying device located below the cutting device for conveying the air conditioning device, wherein a dustproof film of a predetermined length can be laid on the surface of the air conditioning device as the air conditioning device passes under the cutting device.

[0018] A second aspect of this application provides a production line for an air conditioning device, including the coating device described in any of the preceding claims.

[0019] The laminating apparatus provided in this application, through the coordinated operation of the film feeding equipment and the cutting equipment, allows the dustproof film to be supplied in roll form, thus eliminating other processes such as storage and transportation found in related technologies, resulting in lower production costs. Furthermore, the entire process, from unfolding the dustproof film roll to cutting it, is automated, accelerating the production cycle and significantly improving production efficiency. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of the coating device provided in some embodiments of this application;

[0021] Figure 2 This is a schematic diagram of the structure of a coating device provided in some embodiments of this application during operation;

[0022] Figure 3 for Figure 2 A structural diagram from another perspective;

[0023] Figure 4 for Figure 2 A structural diagram from another perspective;

[0024] Figure 5 for Figure 2 Enlarged view of point A in the middle;

[0025] Figure 6 for Figure 3 Enlarged view of section B in the middle.

[0026] Explanation of reference numerals in the attached figures

[0027] 10. Film coating device;

[0028] 1. Film feeding equipment; 11. Drive roller; 12. Driven roller; 13. Frame; 13a. Receiving cavity; 131. Side plate; 14. Drive unit; 15. Side push drive unit; 16. First pulley; 17. Second pulley; 18. Static elimination mechanism; 18a. Air outlet;

[0029] 2. Cutting equipment; 21. Cutting mechanism; 211. Cutting tool; 212. Fixing frame; 213. Protective cover; 213a. Opening slot; 214. Elastic reset component; 22. Pushing mechanism; 221. Cutting plate; 222. Pushing drive component;

[0030] 20. Dustproof film. Detailed Implementation

[0031] The embodiments of this application will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this application, but should not be used to limit the scope of this application.

[0032] In the description of the embodiments of this application, the "vertical direction" orientation or positional relationship is based on Figures 1 to 4 The orientation or positional relationship shown, the orientation or positional relationship in the "thickness direction" is based on Figures 1 to 4 The orientation or positional relationship shown, the "axial" orientation or positional relationship is based on Figures 1 to 3 The orientation or positional relationship shown is for illustrative purposes only and is not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation on the embodiments of this application.

[0033] The various specific technical features and embodiments described in the detailed embodiments can be combined in any suitable manner without contradiction. For example, different combinations of specific technical features / embodiments can form different implementation methods. To avoid unnecessary repetition, the various possible combinations of various specific technical features / embodiments in this application will not be described separately. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The application will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0034] It should be noted that in this application, "down" refers to the direction towards the ground, and "up" is the opposite direction, i.e., the direction towards the sky. "Multiple" refers to a quantity of two or more. "At least one" refers to a quantity of one or more.

[0035] Please see Figures 1 to 6 This application provides a laminating device 10 for use in air conditioning equipment. The laminating device 10 includes a film feeding device 1 and a cutting device 2. The film feeding device 1 includes a drive roller 11 and a driven roller 12. The driven roller 12 can press the unfolded dustproof film 20 against the drive roller 11. The drive roller 11 rotates to pull the dustproof film 20 downward. That is to say, for the laminating device 10 provided in this application, the dustproof film 20 can be supplied in the form of a roll, i.e., a dustproof film roll.

[0036] Air conditioning equipment includes, but is not limited to, indoor or outdoor air conditioning units.

[0037] The driving roller 11 is a cylindrical structure connected to the power source. The driving force of the power source can be directly transmitted to the driving roller 11 to drive its rotation. The driven roller 12 is a cylindrical structure not connected to the power source. The driven roller 12 can passively follow the driving roller 11 in rotation under friction or other forces. That is, the driving force of the power source is transmitted to the driven roller 12 through the driving roller 11 and the dustproof film 20, causing the driven roller 12 to rotate relative to the driving roller 11. The combined force exerted by the driving roller 11 and the driven roller 12 on the dustproof film 20 drives the dustproof film 20 to move downwards. In this way, only one power source is needed, and the cooperation between the driving roller 11 and the driven roller 12 allows the dustproof film 20 to be continuously unfolded and flattened, resulting in lower production costs.

[0038] The relative rotation of the driving roller 11 and the driven roller 12 means that the driving roller 11 and the driven roller 12 rotate in opposite directions.

[0039] Please see Figures 1 to 4 The cutting device 2 is positioned below the film feeding device 1. The cutting device 2 is used to cut a dustproof film 20 of a preset length, which is then laid on the surface of the air conditioning equipment. In this way, on the one hand, the unfolded dustproof film 20 can move downwards spontaneously to facilitate cutting by the cutting device 2. On the other hand, the cutting device 2 can cut dustproof films 20 of different preset lengths according to requirements to adapt to different models of air conditioning equipment.

[0040] The laminating apparatus 10 provided in this embodiment, through the coordinated operation of the film feeding device 1 and the cutting device 2, allows the dustproof film 20 to be supplied in roll form, thus eliminating other processes such as storage and transfer in related technologies, resulting in lower production costs. Furthermore, the entire process from unfolding the dustproof film 20 roll to cutting the dustproof film 20 is automated, accelerating the production cycle and significantly improving production efficiency.

[0041] In one embodiment, the driving roller 11 and the driven roller 12 are parallel in axis. This way, when the driven roller 12 presses the dustproof film 20 against the driving roller 11, the dustproof film 20 can be subjected to uniform tensile force, reducing the probability of the dustproof film 20 running off track, wrinkling or tearing.

[0042] In some embodiments, please refer to Figures 1 to 3 The film feeding device 1 includes a frame 13 and a drive unit 14. The drive unit 14 drives the drive roller 11 to rotate. The frame 13 forms a receiving cavity 13a, in which the drive roller 11, the driven roller 12, and the drive unit 14 are all located. That is, the drive unit 14 is connected to the drive roller 11 in a transmission connection, and the driving force of the drive unit 14 can be transmitted to the drive roller 11 to drive the drive roller 11 to rotate.

[0043] Please continue reading. Figures 1 to 3 The frame 13 provides installation space for the drive roller 11, driven roller 12 and drive unit 14. The drive roller 11, driven roller 12 and drive unit 14 do not occupy space outside the receiving cavity 13a. In this way, the overall structure of the film feeding device 1 is compact.

[0044] The active drive unit 14 is a structure that provides power. For example, the active drive unit 14 can be a power source such as an electric motor, a cylinder, or an electric cylinder.

[0045] In one embodiment, please refer to Figure 1 and Figure 2 The drive roller 11 is respectively disposed on the two side plates 131 of the frame 13 along both sides of the axial direction. In this way, on the one hand, the stability of the drive roller 11 can be improved to ensure the reliability of operation. On the other hand, the contact area between the drive roller 11 and the dustproof film 20 is increased as much as possible, so that the dustproof film 20 is subjected to uniform tensile force, which promotes the continuous and smooth unfolding of the dustproof film 20.

[0046] In some embodiments, please refer to Figure 3 The film feeding device 1 includes a side push drive 15, which drives the driven roller 12 to reciprocate to press against or move away from the dustproof film 20. The side push drive 15 is located in the receiving cavity 13a.

[0047] For example, please refer to Figure 3 When it is necessary to load or replace the dustproof film 20, the side push drive 15 can drive the driven roller 12 away from the dustproof film 20. The driven roller 12 can be spaced apart from the drive roller 11 to facilitate the placement of the dustproof film 20. When the film feeding device 1 is in operation, the side push drive 15 can drive the driven roller 12 closer to the drive roller 11 until the dustproof film 20 is pressed against the drive roller 11.

[0048] The side thrust drive 15 is a structure that provides power. For example, the side thrust drive 15 can be a power source such as an electric motor, a cylinder, or an electric cylinder.

[0049] In some embodiments, please refer to Figure 1 and Figure 2The film feeding device 1 includes a drive belt, a first pulley 16, and a second pulley 17. All three are located outside the receiving cavity 13a. The first pulley 16 is connected to the active drive component 14, and the second pulley 17 is connected to the active roller 11. The active drive component 14 is located on the side of the active roller 11 closest to the driven roller 12. The drive belt connects the first pulley 16 and the second pulley 17. In other words, the driving force of the active drive component 14 is transmitted to the active roller 11 through the first pulley 16, the drive belt, and the second pulley 17. The drive belt, the first pulley 16, and the second pulley 17 do not occupy space in the receiving cavity 13a, thereby reducing the size of the frame 13, saving materials, and lowering costs. Furthermore, it facilitates the loading, unloading, and maintenance of the drive belt, the first pulley 16, and the second pulley 17 by operators.

[0050] For example, both the first pulley 16 and the second pulley 17 mesh with the drive belt. That is, the first pulley 16, the second pulley 17 and the drive belt are all driven by toothed meshing, which has high power transmission efficiency, good stability of the transmission process, and is also beneficial for precise control of the rotation speed of the drive roller 11.

[0051] In some embodiments, please refer to Figure 1 and Figure 3 There are multiple driven rollers 12, which are spaced apart along the axial direction of the driving roller 11. This saves space, as the space between two adjacent driven rollers 12 can be used to place other devices, making the overall structure of the film feeding device 1 more compact.

[0052] In one embodiment, please refer to Figure 1 and Figure 3 Multiple driven rollers 12 are evenly spaced along the axial direction of the driving roller 11. Thus, the force exerted by all driven rollers 12 on the dustproof membrane 20 is relatively uniformly distributed. For example, please refer to [further details omitted]. Figure 3 There are three driven rollers 12, which are evenly spaced along the axial direction of the driving roller 11.

[0053] In one embodiment, please refer to Figure 3 At least one driven roller 12 is spaced apart from the side plate 131 of the frame 13 to define a clearance space, and the active drive 14 is located within the clearance space. The active drive 14 can be arranged coaxially with the driven roller 12, thus making full use of the space of the receiving cavity 13a, eliminating the need for additional installation space to place the active drive 14, and making the film feeding device 1 more compact.

[0054] In some embodiments, please refer to Figures 1 to 3 The film delivery equipment 1 includes an antistatic mechanism 18, which can blow ion air toward the dustproof film 20.

[0055] The static eliminator 18 refers to a device that eliminates static electricity from the dustproof membrane 20 by generating an ion wind of charged particles through ionization of air. For an example, please refer to [link to example description]. Figure 5 The static eliminator 18 has an air outlet 18a facing the dustproof membrane 20. That is, the normal direction of the air outlet 18a can be approximately parallel to the thickness direction of the dustproof membrane 20. In this way, the ion wind generated by the static eliminator 18 can flow directly to the dustproof membrane 20, which can effectively eliminate the static electricity of the dustproof membrane 20.

[0056] The specific type of the static eliminator 18 is not limited. For example, the static eliminator 18 can be an ion bar, an ion fan, or an ion curtain.

[0057] In one embodiment, please refer to Figure 3 The active drive unit 14 is located on the side of the static elimination mechanism 18 away from the dustproof film 20, so as to avoid the active drive unit 14 blocking the ion airflow to the dustproof film 20.

[0058] In some embodiments, please refer to Figures 1 to 3 There are two static elimination mechanisms 18, which are located on opposite sides of the thickness direction of the dustproof membrane 20. This allows the ionizing air from the two mechanisms 18 to flow from opposite sides of the thickness direction of the dustproof membrane 20, further enhancing the elimination effect.

[0059] In some embodiments, please refer to Figures 1 to 4 The cutting device 2 includes a cutting mechanism 21 and a pushing mechanism 22. The cutting mechanism 21 includes a cutter 211 and a fixed frame 212. The cutter 211 is disposed on the fixed frame 212. The pushing mechanism 22 pushes the dustproof film 20 to move until it contacts the cutter 211. The cutter 211 is used to cut the dustproof film 20.

[0060] The fixing bracket 212 serves to secure the cutting tool 211. For details, please refer to [link / reference needed]. Figure 4 The cutter 211 and the pushing mechanism 22 are located on opposite sides of the dustproof film 20 in the thickness direction. After the dustproof film 20 passes through the space between the cutter 211 and the pushing mechanism 22 to a preset length, the pushing mechanism 22 pushes the dustproof film 20 toward the side closer to the cutter 211 until it contacts the cutter 211, and the cutter 211 cuts out the dustproof film 20 to a preset length. After cutting, the pushing mechanism 22 moves toward the side away from the cutter 211 and resets to avoid the dustproof film 20, preparing for subsequent operations.

[0061] In one embodiment, the cutter 211 can be a hot cutting blade or a heating wire, etc. That is to say, the cutting device 2 provided in this application embodiment uses a hot cutting process to cut the dustproof film 20. In this way, the cutter 211 has a good cutting effect and can accurately control the cutting size, thereby improving the consistency of the dustproof film 20.

[0062] In another embodiment, the cutting tool 211 can be a blade or a saw blade, etc.

[0063] In some embodiments, please refer to Figure 4 The pushing mechanism 22 includes a cutting plate 221 and a pushing drive 222. The pushing drive 222 drives the cutting plate 221 to move closer to or away from the cutter 211. That is, when it is necessary to cut the dustproof film 20, the pushing drive 222 drives the cutting plate 221 closer to the cutter 211 and pushes the dustproof film 20 to move until it contacts the cutter 211. The cutting plate 221 limits the movement of the dustproof film 20, ensuring that the dustproof film 20 does not shift during the cutting process, so as to quickly cut the dustproof film 20 to a preset length. Please continue reading. Figure 4 The cutting plate 221 is roughly plate-shaped, and the contact surface between the cutting plate 221 and the dustproof film 20 is flat, which allows the dustproof film 20 to maintain a flat posture during movement and cutting, which is beneficial to controlling the cutting accuracy.

[0064] The drive component 222 is a structure that provides power. For example, the drive component 222 can be a power source such as an electric motor, a cylinder, or an electric cylinder.

[0065] In some embodiments, please refer to Figure 3 and Figure 6 The cutting mechanism 21 includes a protective cover 213, which is movably mounted on the fixed frame 212. The protective cover 213 has an opening slot 213a facing the pushing mechanism 22. The pushing mechanism 22 pushes the protective cover 213 to move, so that the cutter 211 can extend out of the opening slot 213a or retract into the protective cover 213. The protective cover 213 covers at least a portion of the outer periphery of the cutter 211, thus preventing operators from accidentally touching the cutter 211 and providing better protection.

[0066] Please see Figure 4 Understandably, when it is necessary to cut the dustproof film 20, the pushing mechanism 22 presses the dustproof film 20 against the outer surface of the protective cover 213 and pushes the protective cover 213 to move until the cutter 211 extends out of the opening slot 213a to cut the dustproof film 20. After cutting, the pushing mechanism 22 moves away from the protective cover 213, and the protective cover 213 can be reset so that the cutter 211 retracts into the protective cover 213. In this way, on the one hand, by movably setting the protective cover 213 on the fixed frame 212, the entire process from the cutter 211 cutting the dustproof film 20 to the end of the cutting is safe and controllable, greatly reducing the probability of injury to the operator. On the other hand, through the combined action of the protective cover 213 and the film cutting plate 221, the stability of the dustproof film 20 is maintained during the cutting process, improving the reliability of the operation.

[0067] In one embodiment, please refer to Figure 4The cutting mechanism 21 includes an elastic reset member 214, which connects to the fixing frame 212 and the protective cover 213. The elastic force of the elastic reset member 214 drives the movement of the protective cover 213. Exemplarily, the protective cover 213 has a protective state and a cutting state. When the pushing mechanism 22 does not push the protective cover 213 to move, the protective cover 213 is in the protective state, meaning the elastic reset member 214 does not undergo elastic deformation, for example, it is neither compressed nor stretched. At this time, the cutter 211 is located inside the protective cover 213. When the pushing mechanism 22 pushes the protective cover 213 to move, the protective cover 213 is in the cutting state. At this time, the cutter 211 extends out of the opening slot 213a and cuts the dustproof film 20. The elastic reset member 214 undergoes elastic deformation, for example, it is compressed or stretched. After cutting is completed, the elastic force of the elastic reset member 214 drives the protective cover 213 to reset from the cutting state to the protective state.

[0068] For example, the elastic reset member 214 may be a spring or the like.

[0069] In some embodiments, the laminating device 10 includes a conveying device located below the cutting device 2. The conveying device is used to transport the air conditioning equipment. When the air conditioning equipment passes under the cutting device 2, a dustproof film 20 of a preset length can be laid on the surface of the air conditioning equipment. That is, under the action of gravity, the dustproof film 20 of the preset length can move downward spontaneously and be laid on the surface of the air conditioning equipment. In this way, the entire process from unfolding the dustproof film 20 roll to cutting the dustproof film 20 and then laying the dustproof film 20 is automated, unlike in related technologies. This not only achieves fully automated lamination but also reduces the time spent manually separating the dustproof film 20, speeds up the production cycle, and improves production efficiency.

[0070] In some embodiments, the laminating apparatus 10 includes a protective housing, within which both the film feeding device 1 and the cutting device 2 are housed. This protective housing separates the film feeding device 1 and the cutting device 2 from the external environment, providing better protection. Furthermore, the neat appearance of the protective housing enhances the aesthetics of the laminating apparatus 10.

[0071] This application also provides a production line for air conditioning equipment, including the coating device 10 as described in any embodiment of this application. Thus, the coating device 10 improves coating efficiency, thereby increasing the overall operating efficiency of the production line.

[0072] In the description of this specification, the references to "an embodiment," "another embodiment," "some embodiments," and "exemplary" refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the embodiments of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0073] The various embodiments / implementations provided in this application can be combined with each other without creating contradictions. The above descriptions are merely preferred embodiments of this application and are not intended to limit this application. For those skilled in the art, this application can have various modifications and variations. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A film coating device characterized by comprising: For use in air conditioning equipment, the coating device includes: The film feeding device includes a drive roller and a driven roller. The driven roller can press the unfolded dustproof film roll against the drive roller, and the drive roller rotates to pull the dustproof film downward. A cutting device is located below the film feeding device. The cutting device is used to cut a dustproof film of a preset length, which is then laid on the surface of the air conditioning device.

2. The film laminating apparatus according to claim 1, wherein The film feeding device includes a frame and an active drive unit. The active drive unit is used to drive the active roller to rotate. The frame has a receiving cavity, and the active roller, the driven roller and the active drive unit are all located in the receiving cavity.

3. The film laminating apparatus according to claim 2, wherein The film feeding device includes a side push drive, which drives the driven roller to reciprocate to press against or move away from the dustproof film. The side push drive is located inside the receiving cavity.

4. The film laminating apparatus according to claim 2, wherein The film feeding device includes a transmission belt, a first pulley, and a second pulley. The transmission belt, the first pulley, and the second pulley are all located outside the receiving cavity. The first pulley is connected to the active drive component, and the second pulley is connected to the active roller. The active drive component is located on the side of the active roller closer to the driven roller. The transmission belt connects the first pulley and the second pulley.

5. The film laminating apparatus according to claim 1, wherein There are multiple driven rollers, and the multiple driven rollers are spaced apart along the axial direction of the driving roller.

6. The film laminating apparatus according to claim 1, wherein The film delivery equipment includes an antistatic mechanism that can blow ionized air toward the dustproof film.

7. The film coating apparatus according to claim 6, wherein There are two static elimination mechanisms, which are located on opposite sides of the thickness direction of the dustproof film.

8. The film laminating apparatus according to claim 1, wherein The cutting device includes a cutting mechanism and a pushing mechanism. The cutting mechanism includes a cutter and a fixed frame. The cutter is disposed on the fixed frame. The pushing mechanism pushes the dustproof film to move until it contacts the cutter. The cutter is used to cut the dustproof film.

9. The film coating apparatus according to claim 8, wherein The cutting mechanism includes a protective cover movably disposed on the fixed frame. The protective cover has an opening slot facing the pushing mechanism, which pushes the protective cover to move so that the cutter can extend out of the opening slot or retract into the protective cover.

10. The film coating apparatus according to any one of claims 1 to 9, characterized in that The coating device includes a conveying device located below the cutting device, which is used to transport the air conditioning device. When the air conditioning device passes under the cutting device, the dustproof film of a preset length can be laid on the surface of the air conditioning device.

11. An air conditioning apparatus production line characterized by comprising: Includes the coating device according to any one of claims 1 to 10.

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