Glass coating production line

Abstract

The utility model discloses a glass coating production line which comprises an inlet chamber provided with a first feed port, and the first feed port is provided with a first feed door used for sealing the first feed port; the first sensor is arranged at the first feeding hole, and the first sensor is used for identifying the glass at the first feeding hole; the first air extractor is communicated with the inlet chamber and is used for extracting air in the inlet chamber; the controller is in communication connection with the first sensor, the first feeding door and the first air extractor, the controller is used for receiving a signal of the first sensor, the controller is used for controlling the first feeding door and the first air extractor to be opened or closed, and the controller is configured to control the first feeding door and the first air extractor to be opened or closed when the controller receives the signal of the first sensor. The controller controls the first feeding door to be closed, and the controller controls the first air extractor to be opened. The glass coating production line disclosed by the utility model can effectively improve the processing efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of glass, in particular to a glass coating production line. Background Art

[0002] In related technologies, vacuum magnetron sputtering coating is a process of coating one or more layers of metal, alloy or metal compound thin films on the surface of glass using the principle of vacuum magnetron sputtering under a certain vacuum degree to change the optical properties of the glass and produce glass products that meet certain specific requirements.

[0003] The glass coating production line includes an inlet chamber, a transition chamber, and a buffer chamber, all of which are equipped with corresponding exhaust devices to maintain a vacuum environment in each chamber. The glass coating production line can coat glass of various lengths, such as 3300mm, 3660mm, 4880mm, or 6000mm. Furthermore, to accommodate glass of varying lengths, the inlet chamber is typically no smaller than the glass itself, such as 6000mm or 6200mm.

[0004] Furthermore, the process of glass entering the inlet chamber is as follows: the air pressure in the inlet chamber is at atmospheric pressure, and then the glass is transported into the inlet chamber. When the glass reaches the end of the inlet chamber, the sensor at the end senses the position of the glass, thereby closing the valve of the inlet chamber and evacuating the inlet chamber. After the inlet chamber is vacuum, the glass is transported to the transition chamber. However, when the length of the glass is much shorter than the length of the inlet chamber, even though the glass has completely entered the inlet chamber, the sensor at the end of the inlet chamber still needs to detect the glass before the inlet chamber can be closed and evacuated. This will lead to low processing efficiency of the glass coating production line. Utility Model Content

[0005] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a glass coating production line that can effectively improve processing efficiency.

[0006] A glass coating production line according to an embodiment of the present invention includes:

[0007] The inlet chamber is provided with a first feed inlet, wherein the first feed inlet is provided with a first feed door for closing the first feed inlet;

[0008] a first sensor, disposed at the first feed port, for identifying the glass at the first feed port;

[0009] a first gas extraction device, connected to the inlet chamber, and configured to extract gas from the inlet chamber;

[0010] A controller is communicatively connected to the first sensor, the first feed door and the first air extraction device, the controller is used to receive the signal of the first sensor, and the controller is used to control the first feed door and the first air extraction device to open or close respectively, wherein the controller is configured as follows: when the controller receives the signal of the first sensor, the controller controls the first feed door to close, and the controller controls the first air extraction device to open.

[0011] The glass coating production line according to the embodiment of the present invention has at least the following beneficial effects: when the glass enters the inlet chamber, the first sensor can identify that the glass has completely entered the inlet chamber. At this time, the first sensor sends a signal to the controller. The controller receives the signal from the first sensor, controls the first feed door to close, and controls the first exhaust device to open. That is, when the glass just enters the inlet chamber, the inlet chamber can be exhausted. In the prior art, when the glass enters the end of the inlet chamber, the sensor at the end senses the glass and starts to exhaust the inlet chamber. In the present application, when the glass has not yet reached the end of the inlet chamber, the controller can control the first feed door to close the inlet chamber and control the first exhaust device to exhaust the inlet chamber, which can improve processing efficiency. Specifically, the glass coating production line can effectively improve processing efficiency.

[0012] According to some embodiments of the glass coating production line of the present invention, the glass coating production line also includes a first stop sensor and a first conveying mechanism, the inlet chamber is provided with a first discharge port, the first stop sensor is provided at the first discharge port, the first stop sensor is used to identify the glass at the first discharge port, the first conveying mechanism is provided in the inlet chamber, the first conveying mechanism is used to convey the glass, the first conveying mechanism and the first stop sensor are both communicatively connected to the controller, and the controller is configured as follows: when the controller receives a signal from the first stop sensor, the controller controls the first conveying mechanism to close.

[0013] According to some embodiments of the glass coating production line of the present invention, the glass coating production line also includes a transition chamber, a second sensor and a second exhaust device. The inlet chamber and the transition chamber are arranged in sequence along the conveying direction of the glass. The transition chamber is provided with a second feed port, and the second feed port is provided with a second feed door for closing the second feed port. The second sensor is provided at the second feed port, and the second sensor is used to identify the glass at the second feed port. The second exhaust device is connected to the transition chamber, and the second exhaust device is used to extract the gas in the transition chamber. The controller is communicatively connected to the second sensor, the second feed door and the second exhaust device, and the controller is used to receive a signal from the second sensor, and the controller is used to control the second feed door and the second exhaust device to open or close respectively, wherein the controller is configured as follows: when the controller receives a signal from the second sensor, the controller controls the second feed door to close, and the controller controls the second exhaust device to open.

[0014] According to some embodiments of the glass coating production line of the present invention, the glass coating production line also includes a second stop sensor and a second conveying mechanism, the transition chamber is provided with a second discharge port, the second stop sensor is provided at the second discharge port, the second stop sensor is used to identify the glass at the second discharge port, the second conveying mechanism is provided in the transition chamber, the second conveying mechanism is used to convey the glass, the second conveying mechanism and the second stop sensor are both communicatively connected to the controller, and the controller is configured as follows: when the controller receives a signal from the second stop sensor, the controller controls the second conveying mechanism to close.

[0015] According to some embodiments of the glass coating production line of the present invention, a plurality of the second air exhaust devices are provided, and the plurality of the second air exhaust devices are all connected to the transition chamber.

[0016] According to some embodiments of the glass coating production line of the present invention, the glass coating production line also includes a buffer chamber, a third sensor and a third exhaust device. The transition chamber and the buffer chamber are arranged in sequence along the conveying direction of the glass. The buffer chamber is provided with a third feed port, and the third feed port is provided with a third feed door for closing the third feed port. The third sensor is provided at the third feed port, and the third sensor is used to identify the glass at the third feed port. The third exhaust device is connected to the buffer chamber, and the third exhaust device is used to extract the gas in the buffer chamber. The controller is communicatively connected to the third sensor, the third feed door and the third exhaust device, and the controller is used to receive the signal of the third sensor, and the controller is used to control the third feed door and the third exhaust device to open or close respectively, wherein the controller is configured as follows: when the controller receives the signal of the third sensor, the controller controls the third feed door to close, and the controller controls the third exhaust device to open.

[0017] According to some embodiments of the glass coating production line of the present invention, the glass coating production line also includes a third stop sensor and a third conveying mechanism, the buffer chamber is provided with a third discharge port, the third stop sensor is arranged at the third discharge port, the third stop sensor is used to identify the glass at the third discharge port, the third conveying mechanism is arranged in the buffer chamber, the third conveying mechanism is used to convey the glass, the third conveying mechanism and the third stop sensor are both communicatively connected to the controller, and the controller is configured as: when the controller receives a signal from the third stop sensor, the controller controls the third conveying mechanism to close.

[0018] According to some embodiments of the glass coating production line of the present invention, a plurality of the third air exhaust devices are provided, and the plurality of the third air exhaust devices are all connected to the buffer chamber.

[0019] According to some embodiments of the glass coating production line of the present invention, a plurality of first air exhaust devices are provided, and the plurality of first air exhaust devices are all connected to the inlet chamber.

[0020] According to some embodiments of the glass coating production line of the present invention, the glass coating production line further includes a conveying platform, which is used to convey the glass. Along the conveying direction of the glass, the conveying platform and the inlet chamber are arranged in sequence.

[0021] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0023] Figure 1 A schematic diagram of a glass coating production line according to a first embodiment of the present invention;

[0024] Figure 2 A schematic diagram of a glass coating production line according to a second embodiment of the present invention;

[0025] Figure 3 A schematic diagram of a glass coating production line according to a third embodiment of the present invention;

[0026] Figure 4 This is a schematic diagram of a glass coating production line according to a fourth embodiment of the present invention.

[0027] Reference numerals:

[0028] Glass coating production line 10, inlet chamber 100, first feed port 110, first feed door 120, first sensor 130, first exhaust device 140, first discharge port 150, first stop sensor 160, first conveying mechanism 170, transition chamber 200, second feed port 210, second feed door 220, second sensor 230, second exhaust device 240, second discharge port 250, second stop sensor 260, second conveying mechanism 270, buffer chamber 300, third feed port 310, third feed door 320, third sensor 330, third exhaust device 340, third discharge port 350, third stop sensor 360, third conveying mechanism 370, conveying platform 400. DETAILED DESCRIPTION

[0029] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0030] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0031] In the description of this utility model, "several" means more than one, "plurality" means more than two, "greater than," "less than," and "exceed" are understood to exclude the number itself, while "above," "below," and "within" are understood to include the number itself. The use of the terms "first" and "second" is solely for the purpose of distinguishing technical features and is not to be construed as indicating or implying relative importance, implicitly specifying the number of the indicated technical features, or implicitly specifying the order of the indicated technical features.

[0032] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0033] In the description of the present invention, reference to terms such as "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the exemplary expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0034] Please refer to Figure 1 and Figure 2In some embodiments, the glass coating production line 10 includes an inlet chamber 100, a first sensor 130, a first exhaust device 140, and a controller. The inlet chamber 100 is provided with a first feed port 110, which is provided with a first feed door 120 for sealing the first feed port 110. Specifically, when the first feed door 120 is opened, glass can enter the inlet chamber 100. When the first feed door 120 is closed, air can be exhausted from the inlet chamber 100, thereby creating a vacuum state within the inlet chamber 100. The first sensor 130 is disposed at the first feed port 110 and is used to identify the glass at the first feed port 110. Specifically, the first sensor 130 can identify the beginning and end of the glass. Identifying the end of the glass indicates that the glass has completely entered the inlet chamber 100. In other words, the first sensor 130 can be used to determine whether the glass has completely entered the inlet chamber 100. The first exhaust device 140 is connected to the inlet chamber 100 and is used to extract gas from the inlet chamber 100. The controller is a feedback loop component widely used in industrial control applications, such as a programmable memory, which stores instructions for performing operations such as logical operations, sequential control, timing, counting, and arithmetic operations, and controls various types of mechanical equipment or production processes through digital or analog input and output. The controller is communicatively connected to the first sensor 130, the first feed gate 120, and the first exhaust device 140. The controller is used to receive a signal from the first sensor 130, and the controller is used to control the first feed gate 120 and the first exhaust device 140 to open or close respectively. The controller is configured such that when the controller receives a signal from the first sensor 130, the controller controls the first feed gate 120 to close, and the controller controls the first exhaust device 140 to open. Specifically, when the glass enters the inlet chamber 100, the first sensor 130 can identify that the glass has completely entered the inlet chamber 100. At this time, the first sensor 130 sends a signal to the controller. After the controller receives the signal from the first sensor 130, the controller controls the first feed door 120 to close and the first exhaust device 140 to open. That is, when the glass just enters the inlet chamber 100, the inlet chamber 100 can be exhausted. In the prior art, when the glass enters the end of the inlet chamber 100, the sensor at the end senses the glass and starts to exhaust the inlet chamber 100. In the present application, when the glass has not yet reached the end of the inlet chamber 100, the controller can control the first feed door 120 to close the inlet chamber 100 and control the first exhaust device 140 to exhaust the inlet chamber 100, which can improve processing efficiency. Specifically, the glass coating production line 10 can effectively improve processing efficiency.

[0035] The following example illustrates that in the prior art, when conveying glass with a length of 3660 mm, when the glass enters the front end of the inlet chamber 100, the glass will continue to advance to the end of the inlet chamber 100. The inlet chamber 100 will not be evacuated until the sensor at the end detects the glass. Since the length of the inlet chamber 100 is 6300 mm, after the glass completely enters the inlet chamber 100, the glass still needs to continue to advance 2640 mm, which will result in this period of time not being fully utilized and the processing efficiency cannot be improved. In the present application, after the end of the glass enters the inlet chamber 100, the controller can close the first feed door 120 and evacuate the first exhaust device 140. At this time, the glass still needs to continue to advance 2640 mm. During the forward movement of the glass, the inlet chamber 100 has already tended to a vacuum state, so this can improve processing efficiency.

[0036] For further information, please refer to Figure 1 and Figure 2 In some embodiments, the glass coating production line 10 further includes a first stop sensor 160 and a first conveying mechanism 170. The inlet chamber 100 is provided with a first discharge port 150. The first stop sensor 160 is provided at the first discharge port 150. The first stop sensor 160 is used to identify the glass at the first discharge port 150. The first conveying mechanism 170 is provided in the inlet chamber 100 and is used to convey the glass. The first conveying mechanism 170 can be a motor connected to a conveyor belt, and the glass is placed on the conveyor belt and conveyed. The first conveying mechanism 170 and the first stop sensor 160 are both communicatively connected to a controller. The controller is configured such that when the controller receives a signal from the first stop sensor 160, the controller controls the first conveying mechanism 170 to close. Specifically, when the glass enters the end of the inlet chamber 100, the position of the glass can be determined through the cooperation between the controller and the first stop sensor 160, thereby effectively preventing the first conveying mechanism 170 from continuing to drive the glass forward, causing damage to the glass. When the vacuum degree inside the inlet chamber 100 meets the requirement, the first conveying mechanism 170 can continue to convey the glass, allowing the glass to enter the next process.

[0037] For further information, please refer to Figure 1 and Figure 2 In some embodiments, a plurality of first air extraction devices 140 are provided, and the plurality of first air extraction devices 140 are all connected to the inlet chamber 100. Specifically, there may be two, three, or five first air extraction devices 140. The provision of a plurality of first air extraction devices 140 can improve the air extraction efficiency when exhausting the inlet chamber 100, thereby saving processing time.

[0038] For further information, please refer to Figure 1 and Figure 2In some embodiments, the glass coating production line 10 further includes a transition chamber 200, a second sensor 230, and a second exhaust device 240. The inlet chamber 100 and the transition chamber 200 are sequentially arranged along the direction of glass conveyance. The transition chamber 200 is provided with a second feed port 210, which is provided with a second feed door 220 for sealing the second feed port 210. The second sensor 230 is disposed at the second feed port 210 and is used to identify the glass at the second feed port 210. The second exhaust device 240 is connected to the transition chamber 200 and is used to extract gas from the transition chamber 200. The controller is communicatively connected to the second sensor 230, the second feed door 220, and the second exhaust device 240. The controller is used to receive signals from the second sensor 230 and to control the second feed door 220 and the second exhaust device 240 to open or close. The controller is configured to: upon receiving a signal from the second sensor 230, control the second feed door 220 to close and the second exhaust device 240 to open. Specifically, after the glass enters the inlet chamber 100, it can enter the transition chamber 200. To improve processing efficiency, a second sensor 230 can be provided in the transition chamber 200. When the glass has completely entered the transition chamber 200, the controller can control the second feed port 210 to close and the second exhaust device 240 to open, thereby accelerating the transition chamber 200 to enter a vacuum state.

[0039] For further information, please refer to Figure 1 and Figure 2 In some embodiments, the glass coating production line 10 further includes a second stop sensor 260 and a second conveying mechanism 270. The transition chamber 200 is provided with a second discharge port 250, and the second stop sensor 260 is disposed at the second discharge port 250. The second stop sensor 260 is used to identify glass at the second discharge port 250. The second conveying mechanism 270 is disposed within the transition chamber 200 and is used to convey the glass. The second conveying mechanism 270 and the second stop sensor 260 are both communicatively connected to a controller. The controller is configured to shut down the second conveying mechanism 270 upon receiving a signal from the second stop sensor 260. Specifically, when the glass reaches the end of the transition chamber 200, the controller and the second stop sensor 260 cooperate to determine the position of the glass, thereby effectively preventing the second conveying mechanism 270 from continuing to move the glass forward and causing damage. Once the vacuum level within the transition chamber 200 meets the required level, the second conveying mechanism 270 can continue to convey the glass, allowing it to proceed to the next process.

[0040] For further information, please refer to Figure 1 and Figure 2In some embodiments, a plurality of second air extraction devices 240 are provided, and the plurality of second air extraction devices 240 are all connected to the transition chamber 200. Specifically, there may be two, three, or five second air extraction devices 240. The provision of a plurality of second air extraction devices 240 can improve the air extraction efficiency when exhausting the transition chamber 200, thereby saving processing time.

[0041] For further information, please refer to Figure 3 and Figure 4 In some embodiments, the glass coating production line 10 further includes a buffer chamber 300, a third sensor 330, and a third exhaust device 340. The transition chamber 200 and the buffer chamber 300 are sequentially arranged along the conveying direction of the glass. The buffer chamber 300 is provided with a third feed port 310, and the third feed port 310 is provided with a third feed door 320 for closing the third feed port 310. The third sensor 330 is disposed at the third feed port 310 and is used to identify the glass at the third feed port 310. The third exhaust device 340 is connected to the buffer chamber 300 and is used to extract gas from the buffer chamber 300. The controller is communicatively connected to the third sensor 330, the third feed door 320, and the third exhaust device 340. The controller is used to receive signals from the third sensor 330 and to control the opening or closing of the third feed door 320 and the third exhaust device 340, respectively. The controller is configured to close the third feed door 320 and open the third exhaust device 340 upon receiving a signal from the third sensor 330. Specifically, after the glass enters the transition chamber 200, it can enter the buffer chamber 300. To improve processing efficiency, the third sensor 330 can be installed in the buffer chamber 300. Once the glass has completely entered the buffer chamber 300, the controller can close the third feed port 310 and open the second exhaust device 240, thereby accelerating the transition chamber 200 to enter a vacuum state.

[0042] For further information, please refer to Figure 3 and Figure 4In some embodiments, the glass coating production line 10 further includes a third stop sensor 360 and a third conveying mechanism 370. The buffer chamber 300 is provided with a third discharge port 350. The third stop sensor 360 is disposed at the third discharge port 350 and is used to identify glass at the third discharge port 350. The third conveying mechanism 370 is disposed within the buffer chamber 300 and is used to convey the glass. The third conveying mechanism 370 and the third stop sensor 360 are both communicatively connected to a controller. The controller is configured to control the third conveying mechanism 370 to close upon receiving a signal from the third stop sensor 360. Specifically, when the glass enters the end of the buffer chamber 300, the controller and the third stop sensor 360 cooperate to determine the position of the glass, thereby effectively preventing the third conveying mechanism 370 from continuing to drive the glass forward and causing damage to the glass. Once the vacuum level within the buffer chamber 300 meets the required level, the third conveying mechanism 370 can continue to convey the glass, allowing the glass to enter the next process.

[0043] For further information, please refer to Figure 3 and Figure 4 In some embodiments, a plurality of third exhaust devices 340 are provided, and each of the plurality of third exhaust devices 340 is connected to the buffer chamber 300. Specifically, the number of second exhaust devices 240 may be two, three, or five. The provision of a plurality of third exhaust devices 340 can improve the exhaust efficiency when exhausting the buffer chamber 300, thereby saving processing time.

[0044] For further information, please refer to Figures 1 to 4 In some embodiments, the glass coating production line 10 further includes a conveyor platform 400, which is used to convey glass. The conveyor platform 400 and the inlet chamber 100 are arranged in sequence along the conveying direction of the glass. Specifically, the glass can be first placed on the conveyor platform 400, and then the conveyor platform 400 conveys the glass to the inlet chamber 100. It is conceivable that after the glass coating is completed, the glass can return to the conveyor platform 400 along the original route, and then be transported to other processes through the conveyor platform 400. In addition, in addition to being able to transport glass in both directions, the conveyor platform 400 can also be used to transport glass in one direction. Specifically, two conveyor platforms 400 can be set, and the two conveyor platforms 400 can be placed at both ends of the inlet chamber 100, one conveyor platform 400 is responsible for transporting the glass to the inlet chamber 100, and the other conveyor platform 400 is responsible for transporting the glass that has been coated in the processing chamber out.

[0045] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various modifications can be made within the scope of knowledge possessed by a person skilled in the art without departing from the spirit of the present invention. In addition, the embodiments of the present invention and the features of the embodiments can be combined with each other unless there is a conflict.

Claims

1. Glass coating production line, characterized in that, include: The inlet chamber is provided with a first feed inlet, wherein the first feed inlet is provided with a first feed door for closing the first feed inlet; a first sensor, disposed at the first feed port, for identifying the glass at the first feed port; a first gas extraction device, connected to the inlet chamber, and configured to extract gas from the inlet chamber; A controller is communicatively connected to the first sensor, the first feed door and the first air extraction device, the controller is used to receive the signal of the first sensor, and the controller is used to control the first feed door and the first air extraction device to open or close respectively, wherein the controller is configured as follows: when the controller receives the signal of the first sensor, the controller controls the first feed door to close, and the controller controls the first air extraction device to open.

2. The glass coating production line according to claim 1, characterized in that: The glass coating production line also includes a first stop sensor and a first conveying mechanism. The inlet chamber is provided with a first discharge port. The first stop sensor is provided at the first discharge port. The first stop sensor is used to identify the glass at the first discharge port. The first conveying mechanism is provided in the inlet chamber. The first conveying mechanism is used to convey the glass. The first conveying mechanism and the first stop sensor are both communicatively connected to the controller. The controller is configured as follows: when the controller receives a signal from the first stop sensor, the controller controls the first conveying mechanism to close.

3. The glass coating production line according to claim 1, characterized in that: The glass coating production line also includes a transition chamber, a second sensor and a second exhaust device. The inlet chamber and the transition chamber are arranged in sequence along the conveying direction of the glass. The transition chamber is provided with a second feed port, and the second feed port is provided with a second feed door for closing the second feed port. The second sensor is provided at the second feed port, and the second sensor is used to identify the glass at the second feed port. The second exhaust device is connected to the transition chamber, and the second exhaust device is used to extract the gas in the transition chamber. The controller is communicatively connected to the second sensor, the second feed door and the second exhaust device. The controller is used to receive a signal from the second sensor, and the controller is used to control the second feed door and the second exhaust device to open or close respectively, wherein the controller is configured as follows: when the controller receives a signal from the second sensor, the controller controls the second feed door to close, and the controller controls the second exhaust device to open.

4. The glass coating production line according to claim 3, characterized in that: The glass coating production line also includes a second stop sensor and a second conveying mechanism. The transition chamber is provided with a second discharge port. The second stop sensor is provided at the second discharge port. The second stop sensor is used to identify the glass at the second discharge port. The second conveying mechanism is provided in the transition chamber. The second conveying mechanism is used to convey the glass. The second conveying mechanism and the second stop sensor are both communicatively connected to the controller. The controller is configured as follows: when the controller receives a signal from the second stop sensor, the controller controls the second conveying mechanism to close.

5. The glass coating production line according to claim 3, characterized in that: A plurality of the second air extraction devices are provided, and all of the second air extraction devices are connected to the transition chamber.

6. The glass coating production line according to claim 3, characterized in that: The glass coating production line also includes a buffer chamber, a third sensor and a third exhaust device. The transition chamber and the buffer chamber are arranged in sequence along the conveying direction of the glass. The buffer chamber is provided with a third feed port, and the third feed port is provided with a third feed door for closing the third feed port. The third sensor is provided at the third feed port, and the third sensor is used to identify the glass at the third feed port. The third exhaust device is connected to the buffer chamber, and the third exhaust device is used to extract the gas in the buffer chamber. The controller is communicatively connected to the third sensor, the third feed door and the third exhaust device. The controller is used to receive the signal of the third sensor, and the controller is used to control the third feed door and the third exhaust device to open or close respectively, wherein the controller is configured as follows: when the controller receives the signal of the third sensor, the controller controls the third feed door to close, and the controller controls the third exhaust device to open.

7. The glass coating production line according to claim 6, characterized in that: The glass coating production line also includes a third stop sensor and a third conveying mechanism. The buffer chamber is provided with a third discharge port. The third stop sensor is provided at the third discharge port. The third stop sensor is used to identify the glass at the third discharge port. The third conveying mechanism is provided in the buffer chamber. The third conveying mechanism is used to convey the glass. The third conveying mechanism and the third stop sensor are both communicatively connected to the controller. The controller is configured as follows: when the controller receives a signal from the third stop sensor, the controller controls the third conveying mechanism to close.

8. The glass coating production line according to claim 6, characterized in that: A plurality of the third air extraction devices are provided, and all of the third air extraction devices are connected to the buffer chamber.

9. The glass coating production line according to claim 1, characterized in that: A plurality of the first air extraction devices are provided, and all of the first air extraction devices are connected to the inlet chamber.

10. The glass coating production line according to claim 1, characterized in that: The glass coating production line further includes a conveying platform, which is used to convey the glass. Along the conveying direction of the glass, the conveying platform and the inlet chamber are arranged in sequence.

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