A method for coating photovoltaic glass

Abstract

The application discloses a kind of photovoltaic glass gluing methods, vacuum conveyor is set in gluing position, in the gluing process, photovoltaic glass can be effectively supported, adsorbed and conveyed by vacuum conveyor, support, adsorption fixation effect is played to glass in gluing, so as to overcome the uneven of glass itself and avoid vibration etc. Influences gluing effect, and can be compatible with different size specifications of glass.

Description

Technical Field

[0001] This invention belongs to the field of photovoltaic production technology, and specifically relates to a method for coating photovoltaic glass with adhesive. Background Technology

[0002] Application publication number CN117324198A discloses a method for applying adhesive to the four edges of photovoltaic glass. Its transmission mechanism comprises a first transport mechanism and a second transport mechanism designed front and rear, arranged alternately and staggered to prevent interference. However, when the incoming glass is lifted and transported to the adhesive application position by the first transport mechanism, the overhang width on both sides of the glass will be inconsistent, leading to glass deformation and affecting the accuracy of the adhesive application. Furthermore, no proper fixing measures are taken at the middle adhesive application position; deformation of the glass itself (due to its thinness) or vibration can also affect the adhesive application effect. Additionally, the lifting adjustment block and roller design used by the two transport mechanisms to lift the adsorption tray is in contact with the roller without vertical restriction, which is also not conducive to controlling vibration. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a method for coating photovoltaic glass, which can effectively adsorb the glass during coating, avoid problems such as vibration, and improve the coating effect.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0005] A photovoltaic glass coating method employs a photovoltaic glass coating equipment, including a frame, a conveying mechanism horizontally mounted on the frame, and a coating mechanism vertically mounted in the middle of the frame. The conveying mechanism includes a first conveying mechanism and a second conveying mechanism, each consisting of several longitudinally arranged conveyor belts, located on the front and rear sides of the coating mechanism. A transport channel is formed between adjacent conveyor belts of the first and second conveying mechanisms. A transport mechanism for transporting the photovoltaic glass is installed within the transport channel. The method is characterized in that: the conveying mechanism further includes several vacuum conveyors arranged longitudinally below the coating mechanism, with each vacuum conveyor located between the beginning and end of the corresponding conveyor belts of the front and rear conveying mechanisms. Adjacent vacuum conveyors have a passage interval to allow the transport mechanism to pass through. Each vacuum conveyor has a vacuum adsorption surface that adsorbs and supports the photovoltaic glass and can transport it.

[0006] The adhesive application method includes the following steps:

[0007] A. The incoming photovoltaic glass, as the current glass, is conveyed into the photovoltaic glass coating equipment by the conveyor belt of the first conveyor mechanism;

[0008] B. The conveying mechanism waiting in the first conveying mechanism pushes the current glass upward away from the conveyor belt of the first conveying mechanism;

[0009] C. The conveying mechanism picks up the current glass and transports it forward. When the short front side of the current glass is directly below the glue coating mechanism, the transport is paused, and then the short front side of the current glass is picked up and supported by the vacuum conveyor.

[0010] D. The adhesive coating mechanism applies adhesive to the short front edge of the current glass.

[0011] E. After the adhesive is applied to the short side at the front end, the current glass is simultaneously transported to the second conveying mechanism by the conveying mechanism and the vacuum conveyor. During the transport process, the adhesive application mechanism applies adhesive to the long sides of the current glass.

[0012] F. When the short rear end of the current glass is conveyed to the area directly below the adhesive coating mechanism, the conveying mechanism and the vacuum conveyor stop conveying the current glass. At this time, the adhesive coating mechanism applies adhesive to the short rear end of the current glass.

[0013] G. After the adhesive is applied to the short side at the rear end, the transport mechanism drives the current glass to continue to be transported to the second transport mechanism. When the current glass has completely entered the second transport mechanism, the transport mechanism lowers the current glass onto the conveyor belt of the second transport mechanism, and the conveyor belt of the second transport mechanism transports the adhesive-coated current glass forward.

[0014] The first conveying mechanism also has a positioning mechanism, including a front stop wheel mechanism, a liftable rear stop wheel mechanism, and several side stop wheel mechanisms located on the two outer sides of the first conveying mechanism. Each side stop wheel mechanism includes a second guide rail arranged laterally, a longitudinal clamping mechanism slidably arranged on the second guide rail, and a side stop wheel driven to move longitudinally by the longitudinal clamping mechanism.

[0015] In step A, the current glass entering the first conveying mechanism is clamped and positioned by the front guard wheel mechanism, the raised rear guard wheel mechanism, and the longitudinally moving side guard wheel mechanism.

[0016] The first conveying mechanism has several lifting and guiding mechanisms on both sides. Each lifting and guiding mechanism includes a second base on the frame, a second lead screw motor longitudinally mounted on the second base, a support roller bracket driven by the second lead screw motor for lifting, and several lifting rollers mounted on the support roller bracket.

[0017] In step B, several lifting and guiding mechanisms located on both sides of the first conveying mechanism rise simultaneously after the transport mechanism lifts the photovoltaic glass to lift the suspended areas on both sides of the current glass being transported forward.

[0018] The front two sides of the frame are respectively equipped with first inspection cameras for checking the status of the previous process of the incoming glass; in step C, the rear two sides of the frame are respectively equipped with second inspection cameras for checking the glass adhesive application.

[0019] In step A, when the current glass enters the first conveying mechanism, the first detection camera sequentially checks the two front and rear coating apex corners of the current glass. If the previous process of the current glass is found to be unqualified, the glue application process is not performed, and the current glass is directly transported to the second conveying mechanism by the transport mechanism. In step G, during the process of the glued current glass being conveyed out, the second detection camera sequentially detects the two front glue application apex corners, the two glue application long sides, and the two rear glue application apex corners.

[0020] In step G, after the conveying mechanism lowers the current glass onto the conveyor belt of the second conveying mechanism, it quickly returns to the first conveying mechanism to wait for the newly arrived photovoltaic glass.

[0021] In step C, as the current photovoltaic glass moves forward, the next incoming photovoltaic glass becomes the new current glass and begins new steps A and B. In the new step A, several lifting and guiding mechanisms descend sequentially according to the order of separation from the current glass so as not to obstruct the new current glass.

[0022] Once the new current glass is positioned in the first conveying mechanism, another handling mechanism waiting in the first conveying mechanism will participate in the new steps C to G described above.

[0023] The conveying mechanism includes a lateral translation mechanism, a lifting mechanism, and an adsorption conveying plate. The lateral translation mechanism includes a first guide rail arranged laterally in the conveying channel, a first base arranged on the first guide rail, and a lateral drive device for driving the base to move back and forth on the first guide rail. The lifting mechanism is arranged on the first base and includes a first lead screw motor arranged laterally, a slider rail assembly connected to the first lead screw motor, a connecting rod with one end hinged to the slider rail assembly and the other end hinged to the bottom of the adsorption conveying plate, and a lifting guide column arranged vertically between the base and the adsorption conveying plate.

[0024] There are two conveying mechanisms, which operate independently, and the longitudinal positions of the adsorption conveying plates of the two conveying mechanisms are alternately arranged in the conveying channel.

[0025] The photovoltaic glass coating method of the present invention has the following advantages:

[0026] 1. By setting up several vacuum conveyors at the middle adhesive application position, the adsorption and fixation of the glass during adhesive application can be effectively improved, avoiding vibration and other factors that affect the adhesive application quality, and it can be compatible with glass of different sizes and specifications.

[0027] 2. The handling mechanism adopts a sliding linkage and guide column design, which can play a limiting role in the vertical direction;

[0028] 3. Both sides of the first and second conveying mechanisms are equipped with lifting rollers, which can effectively support the glass edge, solve the problem of inconsistent suspension on both sides of photovoltaic glass in the prior art, and further reduce the vibration caused by the edge suspension during the adhesive coating process;

[0029] 4. Install inspection cameras at both the front and rear ends to check for defects in incoming glass and the quality of the glued glass. Attached Figure Description

[0030] The invention will now be described in detail with reference to the accompanying drawings and specific embodiments:

[0031] Figure 1 This is a three-dimensional schematic diagram of the photovoltaic glass coating equipment of the present invention;

[0032] Figure 2 This is a schematic diagram of the adhesive coating mechanism and vacuum conveyor of the present invention;

[0033] Figure 3 This is a schematic diagram of the structure of a single vacuum conveyor of the present invention;

[0034] Figure 4 This is a schematic diagram of the structure of the first conveying mechanism of the present invention;

[0035] Figure 5 This is a schematic diagram of the transport mechanism of the present invention;

[0036] Figure 6 This is a partially enlarged schematic diagram of the conveying mechanism of the present invention;

[0037] Figure 7 This is a schematic diagram of the structure of a single lifting and guiding mechanism of the present invention;

[0038] Figure 8 This is a schematic diagram of the structure of a single side stop wheel mechanism of the present invention;

[0039] Figure 9 This is a schematic diagram of the adhesive application process of the adhesive application mechanism of the present invention. Detailed Implementation

[0040] The present invention provides a photovoltaic glass coating method, wherein the coating equipment used is as follows: Figures 1-8 The main components shown include a frame 1, a conveying mechanism horizontally mounted on the frame 1, and a gluing mechanism 2 longitudinally located in the middle of the frame 1. The conveying mechanism includes a first conveying mechanism 3a and a second conveying mechanism 3b, each consisting of several longitudinally arranged conveyor belts, located on the front and rear sides of the gluing mechanism 2. Figure 1As shown, the first conveyor mechanism 3a and the second conveyor mechanism 3b each have three conveyor belts, and they are arranged laterally in pairs on the same route. The conveyor belts in the first conveyor mechanism 3a and the conveyor belts in the second conveyor mechanism 3b operate independently. Figure 2 As shown, the glue application mechanism 2 has a pair of glue application heads 21a and 21b that can move longitudinally. The conveying mechanism also includes several vacuum conveyors 4 arranged longitudinally side-by-side below the glue application mechanism 2. Figure 2 There are also three vacuum conveyors 4, which are located between the beginning and end of the corresponding three conveyor belts of the front and rear conveyor mechanisms, thus forming three synchronous conveyor lines with the conveyor belts of the first and second conveyor mechanisms 3a and 3b. The vacuum conveyor 4 has a vacuum adsorption surface that adsorbs and supports the photovoltaic glass and can transport the photovoltaic glass.

[0041] The specific structure of each vacuum conveyor is as follows: Figure 3 As shown, the system includes a vacuum suction table 41, a vacuum belt 42 wound around the vacuum suction table 41 with suction holes 44 on its surface, and a vacuum machine for evacuating the upper surface of the vacuum belt 42. This vacuum machine can be composed of a vacuum chamber 43 built into the vacuum suction table 41 and connected to the suction holes 44, and an external blower (not shown) connected to the vacuum chamber 43 via a pipe. The upper surface of the vacuum belt 42 forms a vacuum suction surface. By driving the rotation of the vacuum belt 42, the photovoltaic glass on its upper surface can be moved forward, and by evacuating, the glass on its upper surface can be firmly held in place. Therefore, even if the glass itself has slight unevenness or deformation, it will be firmly held in place by the vacuum conveyor 4 during the adhesive coating process to avoid vibration or other factors affecting the adhesive coating quality. Furthermore, the three conveyor belts are arranged symmetrically in the center, and the spacing between the two outermost conveyor belts is designed to meet the minimum width specification of the glass products. Therefore, the inner side spacing of the two outermost vacuum conveyors is also matched with the conveyor belts, while the outer side spacing of the two outermost vacuum conveyors is designed to meet the maximum width specification of the glass products. This allows for compatibility with glass coating of different sizes. However, the glass coating in CN117324198A is supported by a handling mechanism, but the handling mechanism and the conveying mechanism are designed to be misaligned, thus failing to meet the requirements for glass coating of different sizes.

[0042] A transport channel 5 is formed between adjacent conveyor belts of the first conveyor mechanism 3a and between adjacent conveyor belts of the second conveyor mechanism 3b, such as... Figure 1 , Figure 4 There are two transport channels 5, which are located between the three conveyor lines. The horizontal transport channels are connected front and back by a passageway located in the middle. Each transport channel 5 is equipped with a transport mechanism 6 that can transport photovoltaic glass between the first conveyor mechanism 3a, the vacuum conveyor 4, and the second conveyor mechanism 3b.

[0043] like Figures 4-6 As shown, the conveying mechanism 6 includes a lateral translation mechanism, a lifting mechanism, and an adsorption conveying plate 67. The lateral translation mechanism 61 includes a first guide rail 61 horizontally disposed within the conveying channel 5, a first base 62 disposed on the first guide rail 61, and a lateral drive device 63 that drives the base to move back and forth on the first guide rail 61. The lateral drive device 63 can be a gear and rack transmission mechanism, which can drive the first base 62 to slide along the first guide rail 61 from the first conveying mechanism 3a to the second conveying mechanism 3b. The lifting mechanism is disposed on the first base 62 and includes a first lead screw motor 64 horizontally disposed, a slider rail assembly 65 connected to the first lead screw motor 64, a connecting rod 66 with one end hinged to the slider rail assembly 65 and the other end hinged to the bottom of the adsorption conveying plate 67, and a lifting guide column 68 vertically disposed between the base and the adsorption conveying plate 67. The slider-rail assembly 65 consists of a slide rail fixed to the first base 62 and a slider mounted on the slide rail. The slider is driven by a first lead screw motor 64. When the first lead screw motor 64 rotates forward and backward, it can drive the slider of the slider-rail assembly 65 to move back and forth along the slide rail, thereby causing the connecting rod 66 to be raised or lowered, which in turn drives the adsorption transport plate 67 at its upper end to move up or down. At the same time, the lifting guide column 68 plays a role in lifting and guiding. The maximum lifting height of the adsorption transport plate 67 should be greater than the height of the upper surface of the conveyor belt. Multiple sets of slider-rail assemblies 65, connecting rods 66 and lifting guide columns 68 can be set according to the length of the adsorption transport plate 67. The slider-rail assemblies 65 are connected by connecting rods 70, and the same first lead screw motor 64 can drive one slider-rail assembly 65 to drive the other slider-rail assemblies 65 in linkage, so that the adsorption transport plate 67 can be raised and lowered. The adsorption transport plate 67 has vacuum adsorption holes 69 distributed on it, and a vacuum machine for vacuuming is connected to it through a vacuuming channel. The vacuum machine is not shown in the figure.

[0044] In this invention, such as Figure 5 As shown, the two sets of conveying mechanisms 6 have a total of four adsorption conveying plates 67. Among them, two conveying plates 67 located in different conveying channels 5 move synchronously to form a set of conveying mechanisms 6. Preferably, Figure 5 The first and third adsorption and transport plates 67a, arranged from the inside out, constitute a transport mechanism 6, while the second and fourth adsorption and transport plates 67b constitute another transport mechanism 6. Each transport mechanism 6 can operate independently, and efficiency can be improved by alternating operation.

[0045] In this invention, when the adsorption transport plate 67 is raised to a high position, its surface is flush with the surface of the vacuum conveyor 4. A passage interval is formed between adjacent conveyors 4 to allow the transport mechanism 6 to pass through, so as not to interfere with the back-and-forth movement of the adsorption transport plate 67.

[0046] like Figure 4 , Figure 7 As shown, several lifting and guiding mechanisms 7 are provided on both sides of the first conveying mechanism 3a. Figure 4 The first conveying mechanism 3a has three pairs of lifting and guiding mechanisms 7. Each lifting and guiding mechanism 7 includes a second base 71 mounted on the frame 1, a second lead screw motor 72 mounted longitudinally on the second base 71, a support roller bracket 73 driven by the second lead screw motor 72 for lifting, and several lifting rollers 74 mounted on the support roller bracket 73. Each lifting and guiding mechanism 7 is independently controlled, and the second lead screw motor 72 can drive the lifting rollers 74 to lift and lower, so as to support the two sides of the glass moving forward.

[0047] like Figure 1 As shown, a pair of first inspection cameras 8a are respectively provided on both sides of the front end of the frame 1 to detect the status of the incoming glass in the previous process. A pair of second inspection cameras 8b are respectively provided on both sides of the rear end of the frame 1 to detect the adhesive application status of the glass.

[0048] like Figure 2 , Figure 4 As shown, the first conveying mechanism 3a is also equipped with a positioning mechanism, including a front guide wheel mechanism and a liftable rear guide wheel mechanism respectively located at the front and rear ends of the first conveying mechanism 3a. Figure 2 , Figure 4 Only one pair of rear wheel stops 91 is shown in the diagram; the front wheel stops are not shown (as disclosed in patent CN117324198A, and will not be described again). Several side wheel stops 92 are also shown, located on either side of the first transmission mechanism 3a. Figure 4 The image shows two pairs of side wheel mechanisms, such as Figure 8 As shown, each side-stop wheel mechanism includes a second guide rail 921 arranged laterally, a longitudinal clamping mechanism 922 slidably arranged on the second guide rail 921, and a side-stop wheel 923 driven to move longitudinally by the longitudinal clamping mechanism 922. By moving laterally on the second guide rail 921, the position of the side-stop wheel 923 in the length direction of the glass can be adjusted. The longitudinal clamping mechanism can also be a combination of a screw motor, a guide rail, and a slider to drive the side-stop wheel 923 to clamp the two sides of the glass in the longitudinal direction.

[0049] The coating method using the photovoltaic glass coating equipment of the present invention includes the following steps:

[0050] A. A piece of photovoltaic glass, serving as the current glass, is conveyed into the photovoltaic glass coating equipment via the conveyor belt of the first conveyor mechanism 3a. When the front end of the current glass enters the first conveyor mechanism 3a, the first inspection camera 8a can inspect the two coated corners of the front end of the current glass. When the rear end of the current glass enters the first conveyor mechanism 3a, the first inspection camera 8a can inspect the two coated corners of the rear end of the current glass. If the previous process of the current glass is found to be unqualified, the coating process is skipped, and the current glass is directly transported to the second conveyor mechanism 3b by the handling mechanism 6.

[0051] B. When the current glass is fully entered into the first conveying mechanism 3a, the glass can be clamped and positioned by the front guide wheel mechanism, the raised rear guide wheel mechanism and the side guide wheel mechanism. After positioning, one of the transport mechanisms 6 in the first conveying mechanism 3a acts as the current transport mechanism 6 to push the current glass upward away from the conveyor belt of the first conveying mechanism 3a, and the lifting guide mechanisms 7 on both sides rise simultaneously to support the suspended areas on both sides of the current glass.

[0052] C. The current conveying mechanism 6 adsorbs the current glass and conveys the current glass forward. When the front short side of the current glass is directly below the adhesive coating mechanism 2, it stops, and then the front short side of the current photovoltaic glass is adsorbed and supported by the vacuum conveyor 4.

[0053] D. The adhesive coating mechanism 2 applies adhesive to the short front edge of the current glass. Since the short front edge of the current glass is held in place by the vacuum conveyor 4 throughout the adhesive coating process, the short front edge of the current glass will not vibrate, thus ensuring the quality of the adhesive coating.

[0054] like Figure 9 As shown, the adhesive application method of the adhesive application mechanism 2 for the short edge of the current glass is as follows: the two adhesive application heads 21a and 21b of the adhesive application mechanism 2 are located at the same starting position at the short edge. The outer adhesive application head 21a is located outside the adhesive application starting point of the short edge, while the inner adhesive application head 21b is exactly at the adhesive application starting point of the short edge. After the adhesive application begins, the inner adhesive application head 21b moves longitudinally towards the other end of the short edge of the glass to apply adhesive. When the inner adhesive application head 21b moves to the adhesive application termination point at the other end of the short edge, it stops moving and stops applying adhesive. While the inner adhesive application head 21b is applying adhesive to the short edge, the other outer adhesive application head 21a moves to the adhesive application starting point of the short edge.

[0055] E. After the short side of the front end is coated with adhesive, the current glass is simultaneously transported towards the second conveying mechanism 3b by the current transport mechanism 6 and the vacuum conveyor 4. During the transport process, the adhesive coating mechanism 2 applies adhesive to both long sides of the current glass. Throughout the entire long side adhesive coating process, both edges of the current photovoltaic glass are always supported and driven by the vacuum conveyor 4, and there is also a lifting and guiding mechanism 7 supporting it from behind. Therefore, no vibration is generated on the long side during the adhesive coating process, thus ensuring the quality of adhesive coating.

[0056] like Figure 9 As shown, the method by which the adhesive applicator 2 applies adhesive to the two long sides of the current glass is as follows: After the adhesive is applied to the front short side, the two adhesive applicators 21a and 21b are respectively located at the adhesive application start position and adhesive application end position on the front short side. That is, at this time, the two adhesive applicators 21a and 21b are both located at the adhesive application start position on the two long sides. At this time, the positions of the two adhesive applicators 21a and 21b do not move but apply adhesive. Through the forward movement of the current glass, the adhesive is applied to the two long sides.

[0057] F. When the short rear end of the current glass is conveyed to the area directly below the adhesive coating mechanism, the current conveying mechanism 6 and the vacuum conveyor 4 stop driving the current glass forward. At this time, the adhesive coating mechanism applies adhesive to the short rear end of the current glass. Since the short rear end of the current glass is also held in place by the vacuum conveyor 4 during the entire adhesive coating process, the short rear end of the current glass will not vibrate, thus ensuring the quality of adhesive coating.

[0058] like Figure 9 As shown, the method by which the adhesive applicator applies adhesive to the rear short side of the current glass is as follows: the adhesive applicator head 21b, which was originally applying adhesive to the front short side, continues to move longitudinally towards the other end of the rear short side, applying adhesive to the rear short side during the movement, until it reaches the termination position of the other adhesive long side. During this process, the other adhesive applicator head 21a moves outward to avoid this movement. Compared with the adhesive applicator method in patent CN117324198A, the above adhesive applicator only has overlapping adhesive points at the four vertices, while the latter has one additional overlapping adhesive point in the middle of each of the front and rear short sides.

[0059] G. After the adhesive is applied to the short side at the rear end, the current transport mechanism 6 drives the current glass to continue being transported to the second transport mechanism 3b. Once the entire current glass has entered the second transport mechanism 3b, the current transport mechanism 6 lowers the current glass onto the conveyor belt of the second transport mechanism 3b, which then transports the adhesive-coated current glass forward. During this transport process, the second detection camera sequentially detects the two adhesive application vertices at the front end, the two adhesive application long sides, and the two adhesive application vertices at the rear end. If any adhesive application abnormalities are detected, an alarm will be triggered accordingly.

[0060] After the current glass is lowered onto the conveyor belt of the second conveyor 3b, the current conveying mechanism 6 quickly returns to the first conveyor 3a to wait for the newly arrived photovoltaic glass.

[0061] In step E above, as the current glass advances, the next incoming photovoltaic glass, as the new current glass, begins new steps A and B. In new step A, the three lifting and guiding mechanisms descend sequentially according to the order of their separation from the current glass to avoid obstructing the new current glass, allowing it to be smoothly transferred to the conveyor belt of the first conveyor mechanism 3a. Once the new current glass is positioned, another handling mechanism 6, waiting in the first conveyor mechanism 3a, participates as the new current handling mechanism in new steps C to H.

[0062] However, those skilled in the art should recognize that the above embodiments are only used to illustrate the present invention and are not intended to limit the present invention. Any changes or modifications to the above embodiments that are within the essential spirit of the present invention will fall within the scope of the claims of the present invention.

Claims

1. A method for applying adhesive to photovoltaic glass, using photovoltaic glass adhesive application equipment, including a frame, a conveying mechanism horizontally arranged on the frame, and an adhesive application mechanism longitudinally arranged in the middle of the frame; the conveying mechanism includes a first conveying mechanism and a second conveying mechanism respectively arranged on the front and rear sides of the adhesive application mechanism, each consisting of several longitudinally arranged conveyor belts, a transport channel is formed between adjacent conveyor belts of the first conveying mechanism and adjacent conveyor belts of the second conveying mechanism, and a transport mechanism for transporting photovoltaic glass is provided in the transport channel, characterized in that: The conveying mechanism also includes several vacuum conveyors arranged longitudinally side by side below the coating mechanism, with the vacuum conveyors located between the beginning and end of the corresponding conveyor belts of the front and rear conveying mechanisms, and a passage interval between adjacent vacuum conveyors to allow the transport mechanism to pass; the vacuum conveyor has a vacuum adsorption surface that adsorbs and supports the photovoltaic glass and can transport the photovoltaic glass, and can be compatible with glass of different sizes and specifications; several lifting and guiding mechanisms are provided on both sides of the first conveying mechanism, and each lifting and guiding mechanism includes a second base on the frame, a second lead screw motor arranged longitudinally on the second base, a support roller bracket driven by the second lead screw motor to lift, and several lifting rollers respectively arranged on the support roller bracket; The adhesive application method includes the following steps: A. The incoming photovoltaic glass, as the current glass, is conveyed into the photovoltaic glass coating equipment by the conveyor belt of the first conveyor mechanism; B. The transport mechanism waiting in the first transport mechanism pushes the current glass upward away from the conveyor belt of the first transport mechanism. Several lifting and guiding mechanisms located on both sides of the first transport mechanism also rise simultaneously after the transport mechanism lifts the photovoltaic glass to lift the suspended areas on both sides of the current glass being transported forward. C. The conveying mechanism picks up the current glass and transports it forward. When the short front side of the current glass is directly below the glue coating mechanism, the transport is paused, and then the short front side of the current glass is picked up and supported by the vacuum conveyor. D. The adhesive coating mechanism applies adhesive to the short front edge of the current glass. E. After the adhesive is applied to the short side at the front end, the current glass is simultaneously transported to the second conveying mechanism by the conveying mechanism and the vacuum conveyor. During the transport process, the adhesive application mechanism applies adhesive to the long sides of the current glass. F. When the short rear end of the current glass is conveyed to the area directly below the adhesive coating mechanism, the conveying mechanism and the vacuum conveyor stop conveying the current glass. At this time, the adhesive coating mechanism applies adhesive to the short rear end of the current glass. G. After the adhesive is applied to the short side at the rear end, the transport mechanism drives the current glass to continue to be transported to the second transport mechanism. When the current glass has completely entered the second transport mechanism, the transport mechanism lowers the current glass onto the conveyor belt of the second transport mechanism, and the conveyor belt of the second transport mechanism transports the adhesive-coated current glass forward.

2. The photovoltaic glass coating method according to claim 1, characterized in that: The first conveying mechanism also has a positioning mechanism, including a front stop wheel mechanism, a liftable rear stop wheel mechanism, and several side stop wheel mechanisms located on the two outer sides of the first conveying mechanism. Each side stop wheel mechanism includes a second guide rail arranged laterally, a longitudinal clamping mechanism slidably arranged on the second guide rail, and a side stop wheel driven to move longitudinally by the longitudinal clamping mechanism.

3. The photovoltaic glass coating method according to claim 2, characterized in that: In step A, the current glass entering the first conveying mechanism is clamped and positioned by the front guard wheel mechanism, the raised rear guard wheel mechanism, and the longitudinally moving side guard wheel mechanism.

4. The photovoltaic glass coating method according to claim 1, characterized in that: The front two sides of the frame are respectively equipped with first inspection cameras for checking the status of the previous process of the incoming glass; in step C, the rear two sides of the frame are respectively equipped with second inspection cameras for checking the glass adhesive application.

5. The photovoltaic glass coating method according to claim 4, characterized in that: In step A, when the current glass enters the first conveying mechanism, the first detection camera sequentially checks the two front and rear coating apex corners of the current glass. If the previous process of the current glass is found to be unqualified, the glue application process is not performed, and the current glass is directly transported to the second conveying mechanism by the transport mechanism. In step G, during the process of the glued current glass being conveyed out, the second detection camera sequentially detects the two front glue application apex corners, the two glue application long sides, and the two rear glue application apex corners.

6. The photovoltaic glass coating method according to claim 1, characterized in that: In step G, after the conveying mechanism lowers the current glass onto the conveyor belt of the second conveying mechanism, it quickly returns to the first conveying mechanism to wait for the newly arrived photovoltaic glass.

7. The photovoltaic glass coating method according to claim 1, characterized in that: In step E above, as the current glass moves forward, the next incoming photovoltaic glass, as the new current glass, begins to undergo new steps A and B. In the new step A, the three lifting and guiding mechanisms descend sequentially according to the order of their separation from the current glass so as not to obstruct the new current glass.

8. The photovoltaic glass coating method according to claim 7, characterized in that: Once the new current glass is positioned in the first conveying mechanism, another handling mechanism waiting in the first conveying mechanism will participate in the new steps C to G described above.

9. The photovoltaic glass coating method according to claim 1, characterized in that: The conveying mechanism includes a lateral translation mechanism, a lifting mechanism, and an adsorption conveying plate. The lateral translation mechanism includes a first guide rail arranged laterally in the conveying channel, a first base arranged on the first guide rail, and a lateral drive device that drives the base to move back and forth on the first guide rail. The lifting mechanism is arranged on the first base and includes a first lead screw motor arranged laterally, a slider rail assembly connected to the first lead screw motor with one end hinged to the slider rail assembly and the other end hinged to the bottom of the adsorption conveying plate, and a lifting guide column arranged vertically between the base and the adsorption conveying plate.

10. The photovoltaic glass coating method according to claim 9, characterized in that: There are two conveying mechanisms, which operate independently, and the longitudinal positions of the adsorption conveying plates of the two conveying mechanisms are alternately arranged in the conveying channel.

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