Universal automatic angle bead wrapping machine

Abstract

The utility model discloses a universal automatic angle bead wrapping machine. The automatic corner protection paper folding machine comprises a rack, an assembly conveying line, a plurality of corner protection paper feeding mechanisms arranged on the rack, a corner protection paper positioning module located beside the corner protection paper feeding mechanisms and used for positioning corner protection paper again, and corner protection folding devices arranged on the left side and the right side of the assembly conveying line. The carrying and feeding mechanism is used for carrying among the angle bead paper supply mechanism, the angle bead paper positioning module and the angle bead folding device; the angle bead paper pressing and folding mechanism is arranged on the side edge of the assembly conveying line and used for buckling folded paper wrapping the right-angle position of the photovoltaic assembly into the inner side of a frame; and the detection module is used for detecting a wrapped angle bead. According to the utility model, accurate positioning of the corner protection paper is realized, the problems of untight wrapping of the corner protection paper and the photovoltaic module, deviation of the wrapping corner and the like are avoided, and the corner protection device can adapt to the corner protection paper with different sizes and different shapes and the photovoltaic modules with different sizes, and is good in universality.

Description

Technical field

[0001] The utility model belongs to the technical field of photovoltaic component production, in particular to a universal automatic corner protection wrapping machine. [Background Technology]

[0002] After the production of solar photovoltaic modules is completed, they are prone to collision during transportation, especially at the right angles of the products, which are prone to cracks or even damage due to collisions. Therefore, the four corners of the products are often wrapped with corner protectors. Automatic corner protection equipment is designed in the existing technology, such as an automatic corner protection machine disclosed by Chinese Patent Authorization Announcement No. CN214730282U, and an efficient fully automatic corner protection machine with rapid switching of plate types disclosed by Chinese Patent Authorization Announcement No. CN217945633U, both of which can achieve automatic corner protection. However, the above two solutions are that the transporting and transplanting structure directly transports the corner protector paper on the corner protector paper feeding unit to the folding unit, and then performs the corner protection operation. If the position of the corner protector paper is offset, the corner protector paper will not be folded according to the preset folds, which will affect the quality of the corner protection, and there will be problems such as the corner protector paper and the photovoltaic module are not tightly wrapped, and the corner protection is offset.

[0003] Therefore, it is necessary to provide a universal automatic corner protection machine to solve the above-mentioned technical problems. [Utility Model Content]

[0004] The main purpose of the utility model is to provide a universal automatic corner protection machine, which realizes the precise positioning of the corner protection paper, avoids the problems of loose wrapping of the corner protection paper and photovoltaic modules, and the offset of the corner protection, and can also adapt to corner protection papers of different sizes and shapes and photovoltaic modules of different sizes, and has good versatility.

[0005] The utility model achieves the above-mentioned purpose through the following technical solutions: a universal automatic corner protector wrapping machine, which includes a frame, a component conveyor line, a plurality of corner protector paper feeding mechanisms arranged on the frame, a corner protector paper positioning module located beside the corner protector paper feeding mechanism and re-positioning the corner protector paper, a corner protector folding device arranged on the left and right sides of the component conveyor line, a conveying and loading mechanism for conveying between the corner protector paper feeding mechanism, the corner protector paper positioning module and the corner protector folding device, a corner protector paper folding mechanism arranged on the side of the component conveyor line and buckling the folded paper wrapped at the right angle of the photovoltaic component into the inner side of the frame, and a detection module arranged above the component conveyor line and detecting the wrapped corner protector.

[0006] Furthermore, a blocking component for blocking the photovoltaic components from being further conveyed forward is provided at the front end of the component conveying line. The blocking component includes a first blocking wheel and a first cylinder for driving the first blocking wheel to move up and down.

[0007] Furthermore, the corner protector paper feeding mechanism includes a first support column and a second support column arranged vertically in parallel, a first support plate for placing the corner protector paper and a first driving module for driving the first support plate to move up and down are movably provided on the first support column, a first cylinder for driving the second support column to approach or move away from the first support column is provided below the second support column, a material bin for placing the corner protector paper is formed between the first support column and the second support column, a number of blocks for clamping the top layer of corner protector paper are provided on the first support column and the second support column, and a first sensor for sensing the height of the corner protector paper is provided on the first support column.

[0008] Furthermore, the corner protector paper positioning module includes a positioning plate for placing the corner protector paper, a positioning block arranged on the positioning plate and positioning one side of the corner protector paper, a movable block for positioning the other opposite side of the corner protector paper, and a second cylinder for driving the movable block close to or away from the corner protector paper.

[0009] Furthermore, the corner folding device includes a second support plate and a third support plate arranged on the left and right sides of the component conveyor line and a second driving module that drives the second support plate and the third support plate to move closer to or away from each other. Two paper folding mechanisms are symmetrically arranged on the second support plate and the third support plate, and each of the paper folding mechanisms is driven by a third driving module to move forward and backward.

[0010] Furthermore, the folding mechanism includes a base plate, a supporting plate arranged above the base plate, and a third cylinder driving the supporting plate to move up and down, an avoidance opening is provided on the supporting plate and right-angled sides perpendicular to each other are formed, a first suction nozzle is provided on the right-angled side, and two transverse folding components located on both sides of the right-angled side of the supporting plate are provided at the avoidance opening, the transverse folding component includes a transverse folding push plate located on one side of the right-angled side of the supporting plate, a fourth cylinder driving the transverse folding push plate to move horizontally, and a fifth cylinder driving the fourth cylinder to move up and down, and a long side correction mechanism for correcting the long side of the photovoltaic module is provided on the base plate.

[0011] Furthermore, a correction and pressing mechanism for correcting and pressing the short side of the photovoltaic module is provided in the middle of the second support plate and the third support plate. The correction and pressing mechanism includes a support frame, a second correction wheel provided on the support frame, a first support block for supporting the short side of the photovoltaic module, a pressing block provided above the first support block and pressed on the upper surface of the photovoltaic module, and a seventh cylinder for driving the pressing block to move up and down. The upper end of the first support block includes a slope guide surface and a horizontal support surface.

[0012] Furthermore, the corner paper folding mechanism is provided in the middle of the second support plate and the third support plate. The corner paper folding mechanism includes a robot and a folding plate provided at the movable end of the robot. The folding plate folds the corner paper to the surface of the photovoltaic module, and then pushes it obliquely downward into the contoured right-angle portion on the inner side of the photovoltaic module frame.

[0013] Furthermore, the handling and loading mechanism includes an X-axis drive module arranged on the frame, a fourth support plate driven by the X-axis drive module to move in the X direction, an eighth cylinder arranged on the fourth support plate, a mounting plate driven by the eighth cylinder to move up and down, and a second suction nozzle arranged on the mounting plate.

[0014] Furthermore, the detection module includes two mounting beams that are slid left and right on the frame, and several detection cameras that are movably arranged on the mounting beams and move forward and backward to take pictures of the wrapped corner guards. The mounting beams and the detection cameras are movably set by sliders and rails and locked by screws.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] (1) A corner protector paper positioning module is provided between the corner protector paper feeding mechanism and the corner protector folding device. After the transporting and loading mechanism pulls out the corner protector paper from the corner protector paper feeding mechanism, it is first placed on the corner protector paper positioning module for precise positioning, and then placed on the corner protector folding device for corner protection wrapping operation, which can avoid problems such as loose wrapping of the corner protector paper and the photovoltaic module, and deviation of the corner protector wrapping; and a plurality of positioning holes are provided on the positioning plate on the corner protector paper positioning module, and the positioning block is selectively fixed in one of the positioning holes by screws, which can adapt to corner protectors of different sizes or shapes, thereby improving the versatility of the corner protector paper positioning module;

[0017] (2) The second driving module drives the two support plates to move left and right, realizing position switching between the corner paper splicing position and the corner protection wrapping position, and the second driving module can make the support plates stay at any corner protection wrapping position within the set range, so as to be suitable for the corner protection wrapping operation of components of various lengths. Each paper folding mechanism is driven by a third driving module to move forward and backward, and can adapt to components of different widths. Therefore, it can adapt to photovoltaic components of different sizes, which can improve the versatility of the equipment; and the joint action of the second driving module and the third driving module can realize the centering corner protection operation of the photovoltaic component, which has good flexibility;

[0018] (3) It can simultaneously perform corner protection operations on the four right angles of the photovoltaic module, thereby improving production efficiency and meeting the needs of high-beat assembly line production; each device, mechanism or module is driven by a servo motor, which can realize automatic adjustment of the spacing position. Through program settings, it can be switched with one button on the system end to control the corresponding servo motor to drive the moving position of each unit and module, so as to be applicable to various components of different specifications and sizes, thereby improving versatility.

Brief Description of the Drawings

[0019] Figure 1 This is a schematic diagram of the top view of the universal automatic corner protection machine according to an embodiment of the utility model;

[0020] Figure 2 This is a schematic diagram of the three-dimensional structure of a universal automatic corner protection machine according to an embodiment of the present utility model;

[0021] Figure 3 This is a schematic diagram of the three-dimensional structure of the corner protection paper feeding mechanism of the embodiment of the utility model;

[0022] Figure 4 This is a schematic diagram of the three-dimensional structure of the corner protection paper feeding mechanism of the embodiment of the utility model;

[0023] Figure 5 This is a schematic diagram of the three-dimensional structure of the corner protector paper positioning module according to an embodiment of the present utility model;

[0024] Figure 6 This is a schematic diagram of the three-dimensional structure of the corner folding device, the corner paper folding mechanism and the correcting and pressing mechanism according to an embodiment of the present invention;

[0025] Figure 7 This is a schematic diagram of the three-dimensional structure of the paper folding mechanism according to an embodiment of the present utility model;

[0026] Figure 8 This is a schematic diagram of the three-dimensional structure of the paper folding mechanism according to an embodiment of the present utility model;

[0027] Figure 9 This is a schematic diagram of the three-dimensional structure of the material handling and loading mechanism according to an embodiment of the present utility model;

[0028] Figure 10 This is a schematic diagram of the three-dimensional structure of the detection module according to an embodiment of the present utility model;

[0029] The numbers in the figure represent:

[0030] 100-Universal automatic corner protection machine; 200-Corner protection paper;

[0031] 1-frame; 2-component conveyor line, 21-blocking component;

[0032] 3-corner paper feeding mechanism, 31-first support column, 32-second support column, 33-first support plate, 34-first drive module, 35-first cylinder, 36-bin, 37-block, 38-first sensor;

[0033] 4-corner paper positioning module, 41-positioning plate, 42-positioning block, 43-movable block, 44-second cylinder;

[0034] 5-corner folding device, 51-second support plate, 52-third support plate, 53-second drive module, 54-paper folding mechanism, 541-bottom plate, 542-carrying plate, 5421-avoidance opening, 5422-right-angle edge, 5423-first suction nozzle, 543-lateral folding assembly, 5431-lateral folding push plate, 5432-fourth cylinder, 5433-fifth cylinder, 544-third cylinder, 545-long edge straightening mechanism, 5451-first straightening wheel, 5452-sixth cylinder, 55-third drive module;

[0035] 6-carrying and loading mechanism, 61-X-axis drive module, 62-fourth support plate, 63-eighth cylinder, 64-mounting plate, 65-second suction nozzle; 7-corner paper folding mechanism, 71-robot, 72-folding plate;

[0036] 8-detection module, 81-mounting beam, 82-detection camera; 9-correction and clamping mechanism, 91-support frame, 92-second correcting wheel, 93-first support block, 94-clamping block, 95-seventh cylinder. [Specific implementation method]

[0037] Please refer to Figures 1-10 The present embodiment is a universal automatic corner protection wrapping machine, which includes a frame 1, a component conveyor line 2, four corner protection paper feeding mechanisms 3 arranged at the four corner areas of the frame 1, a corner protection paper positioning module 4 located beside the corner protection paper feeding mechanism 3 for repositioning the corner protection paper 200, a corner protection folding device 5 arranged on the left and right sides of the component conveyor line 2, a conveying and loading mechanism 6 for conveying between the corner protection paper feeding mechanism 3, the corner protection paper positioning module 4 and the corner protection folding device 5, a corner protection paper folding mechanism 7 arranged on the side of the component conveyor line 2 for buckling the folded paper wrapped at the right angle of the photovoltaic component into the inner side of the frame, and a detection module 8 arranged above the component conveyor line 2 for detecting the wrapped corner protection.

[0038] A blocking assembly 21 is provided at the front end of the assembly conveyor line 2 to block the photovoltaic assembly from being conveyed forward. The blocking assembly 21 includes a first blocking wheel and a first cylinder that drives the first blocking wheel to move up and down.

[0039] The corner protector paper feeding mechanism 3 includes a first support column 31 and a second support column 32, which are arranged vertically and in parallel. A first support plate 33 for placing multiple layers of corner protectors and a first drive module 34 for driving the first support plate 33 up and down are movably mounted on the first support column 31. A first cylinder 35 is disposed below the second support column 32 to drive the second support column 32 toward or away from the first support column 31. A hopper 36 for storing corner protectors is formed between the first and second support columns 31, 32. Both the first and second support columns 31, 32 are provided with a plurality of blocks 37 for retaining the top layer of corner protectors. Furthermore, a first sensor 38 for sensing the height of the corner protectors 200 is also provided on the first support column 31. In this embodiment, the first drive module 34 is a servo motor driving a transmission belt. The first support plate 33 is mounted on the transmission belt via a belt clamp, and the transmission belt is arranged vertically.

[0040] Since the corner protector 200 is slightly deformed after being pulled out from the corner protector feeding mechanism 3 by the transporting and loading mechanism 6, the corner protector will cause displacement deviation of the corner protector on the corner protector folding device 5. Therefore, before placing the corner protector on the corner protector folding device 5, the corner protector is first placed on the corner protector positioning module 4 for precise positioning, which can avoid problems such as the corner protector and the frame not being tightly wrapped, and the corner protector being offset. The corner protector positioning module 4 includes a positioning plate 41 for placing the corner protector, a positioning block 42 provided on the positioning plate 41 and positioning one side of the corner protector 200, a movable block 43 for positioning the other opposite side of the corner protector, and a second cylinder 44 for driving the movable block 43 to move closer to or away from the corner protector. A plurality of positioning holes are provided on the positioning plate 41, and the positioning block 42 is selectively fixed in one of the positioning holes by screws. It can adapt to corner protectors of different sizes or shapes, thereby improving the versatility of the corner protector positioning module 4.

[0041] The corner folding device 5 includes a second support plate 51 and a third support plate 52, positioned on the left and right sides of the assembly conveyor line 2, and a second drive module 53 that drives the second and third support plates 51, 52 toward or away from each other. Two folding mechanisms 54 are symmetrically mounted on each of the second and third support plates 51, 52, and each folding mechanism 54 is driven forward and backward by a third drive module 55. In this embodiment, the second and third drive modules 53, 55 are driven by servo motors that drive belts. The two support plates are driven to move left and right by the second drive module 53, so as to realize position switching between the corner paper splicing position and the corner protection wrapping position, and the second drive module 53 can make the support plates stay at any corner protection wrapping position within the set range, so as to be suitable for the corner protection wrapping operation of components of various lengths, thereby improving the versatility of the equipment; further, the third drive module 55 is set up to drive the paper folding mechanism 54 to move forward and backward, which can not only adapt to components of different widths, but also cooperate with the second drive module 53 to make the four paper folding mechanisms 54 on the four right angles of the photovoltaic component act at the same time, thereby realizing the centered corner protection operation of the photovoltaic component, thereby further improving the versatility of the equipment.

[0042] The paper folding mechanism 54 includes a base plate 541, a supporting plate 542 disposed above the base plate 541, and a third cylinder 544 that drives the supporting plate 542 to move up and down. The supporting plate 542 is provided with an escape opening 5421 and has mutually perpendicular right-angled edges 5422. A first suction nozzle 5423 is disposed on the right-angled edge 5422. The escape opening 5421 is provided with two transverse folding assemblies 543 located on either side of the right-angled edge of the supporting plate 542. The transverse folding assemblies 543 include a transverse folding push plate 5431 located on one side of the right-angled edge 5422 of the supporting plate 542, a fourth cylinder 5432 that drives the transverse folding push plate 5431 to move horizontally, and a fifth cylinder 5433 that drives the fourth cylinder 5432 to move up and down. The escape opening 5421 on the supporting plate 542 can reduce the weight of the supporting plate 542. Furthermore, locating the transverse folding assemblies 543 within the escape opening 5421 makes the overall structure more compact and saves space. The first suction nozzle 5423 is used to absorb the corner paper on the supporting plate 542, ensuring that the corner paper is positioned stably on the paper folding mechanism 54. A long-side alignment mechanism 545 is provided on the bottom plate 541 to align the long sides of the photovoltaic module. The long-side alignment mechanism 545 includes a first alignment wheel 5451 and a sixth cylinder 5452 that drives the first alignment wheel 5451 up and down.

[0043] The paper folding mechanism 54 is located at both ends of the second support plate 51 and the third support plate 52, and the corner paper folding mechanism 7 and the correction and pressing mechanism 9 for correcting and pressing the short sides of the photovoltaic module are both provided in the middle of the second support plate 51 and the third support plate 52. The correction and pressing mechanism 9 includes a support frame 91, a second correction wheel 92 provided on the support frame 91, a first support block 93 provided on the support frame 91 and supporting the short sides of the photovoltaic module, a pressing block 94 provided above the first support block 93 and pressing against the upper surface of the photovoltaic module, and a seventh cylinder 95 for driving the pressing block 94 up and down. Due to the large size of the photovoltaic module, the outer edge will tend to droop downward, which will affect the alignment of the photovoltaic module and thus affect the accuracy of the corner protection of the photovoltaic module. In order to solve this problem, the upper end of the first support block 93 includes a sloped guide surface and a horizontal support surface. The sloped guide surface is set to lift the outer edge of the photovoltaic module upward so that the outer edge of the photovoltaic module remains horizontal, and finally supported on the horizontal support surface, which can enable the second alignment wheel 92 to more accurately align the photovoltaic module and improve the accuracy of the corner protection.

[0044] The corner paper folding mechanism 7 includes a robot 71 and a folding plate 72 disposed at the movable end of the robot 71. The robot 71 is a six-axis robot. The folding plate 72 folds the corner paper onto the surface of the photovoltaic module and then pushes it diagonally downward into the contoured right-angle portion on the inside of the photovoltaic module frame. Since the corner paper folding mechanism 7 is disposed between the front and rear paper folding mechanisms 54, each two paper folding mechanisms 54 share one corner paper folding mechanism 7. Therefore, the corner paper folding mechanism 7 needs to sequentially fold the corner paper on the front and rear paper folding mechanisms 54 onto the surface of the photovoltaic module and then push it diagonally downward into the contoured right-angle portion on the inside of the photovoltaic module frame.

[0045] The loading and transporting mechanism 6 includes an X-axis drive module 61 mounted on the frame 1, a fourth support plate 62 driven by the X-axis drive module 61 for X-direction movement, an eighth cylinder 63 mounted on the fourth support plate 62, a mounting plate 64 driven by the eighth cylinder 63 for vertical movement, and a second suction nozzle 65 mounted on the mounting plate 64. In this embodiment, the X-axis drive module 61 is a servo motor that drives a transmission belt, and the fourth support plate 62 is mounted on the transmission belt via a belt clamp, with the transmission belt extending in the X direction. Since the transport and loading mechanism 6 is only provided with an X-axis drive module 61 and an eighth cylinder 63 that drives the mounting plate 64 to move up and down, and does not have a module for moving in the Y direction, the second suction nozzle 65 needs to first suck the corner protector 200 from the corner protector feeding mechanism 3 and place it on the corner protector positioning module 4 for positioning, and then place the corner protector positioned on the corner protector positioning module 4 onto the paper folding mechanism 54. However, the paper folding mechanism 54 has the function of moving in the X and Y directions, but the corner protector feeding mechanism 3 and the corner protector positioning module 4 do not have the function of moving in the X and Y directions. Therefore, the corner protector feeding mechanism 3 and the corner protector positioning module 4 are on the same straight line, making it easier for the second suction nozzle 65 to suck the corner protector 200 from the corner protector feeding mechanism 3 and place it on the corner protector positioning module 4. In other embodiments, the transport and loading mechanism 6 may add a Y-axis drive module as needed, without limitation.

[0046] Inspection module 8 comprises two mounting beams 81 that slide left and right on frame 1, and several inspection cameras 82 that move forward and backward on mounting beams 81 and take photos of the wrapped corner guards. Both mounting beams 81 and inspection cameras 82 are movable via sliders and rails and secured with screws. The screws can be loosened to adjust the position and tightened again when desired. This adaptability allows for PV modules of varying sizes, enhancing the module's versatility.

[0047] The working process of a universal automatic corner protection wrapping machine 100 provided by this solution is as follows: after a stack of corner protection papers 200 is placed on the first support plate 33, the first cylinder 35 drives the second support column 32 to approach the first support column 31, the first support column 31 contacts one side of the corner protection paper 200, and the second support column 32 contacts the other opposite side of the corner protection paper 200, the first driving module 34 drives the first support plate 33 to rise until the top layer of corner protection paper is stuck on the blocking block 37, the X-axis driving module 61 drives the fourth support plate 62 to move to the top of the corner protection paper, the eighth cylinder 63 drives the second suction nozzle 65 to descend and absorb the top layer of corner protection paper, and the eighth cylinder 63 Drive the second suction nozzle 65 to rise and pull out the corner protector 200 upward. The first sensor 38 senses the height of the corner protector. The first driving module 34 drives the first supporting plate 33 to continue to rise, so that the corner protector rises and is stuck on the blocking block 37. The X-axis driving module 61 drives the fourth supporting plate 62 to move above the positioning plate 41. The eighth cylinder 63 drives the second suction nozzle 65 to descend and place the corner protector on the positioning plate 41. One side of the corner protector 200 rests on the positioning block 42. The second cylinder 44 drives the movable block 43 to rest on the other side of the corner protector 200, completing the secondary positioning of the corner protector. After positioning, the eighth cylinder 63 drives the second suction nozzle 65 to rise. The X-axis driving module 61 drives the fourth support plate 62 to move to the paper folding mechanism 54, and the transporting and loading mechanisms 6 on the four corners simultaneously transport the corner paper to the corner paper positioning module 4 for positioning, and then continue to transport it to the paper folding mechanism 54; at the same time, the photovoltaic component is transported to the component conveyor line 2, and the blocking component 21 at the conveying front end of the component conveyor line 2 completes the blocking of the photovoltaic component. The second driving module 53 drives the second support plate 51 and the third support plate 52 to approach each other, and the second return wheel 92 completes the return of the short side of the photovoltaic component. The first support block 93 is supported on the lower surface of the photovoltaic component, and at the same time the seventh cylinder 95 drives the clamping block 94 to descend and press tightly. On the upper surface of the photovoltaic module, each third drive module 55 drives the paper folding mechanism 54 to move to the right angle of the photovoltaic module. The sixth cylinder 5452 drives the first aligning wheel 5451 to rise and align the long side of the photovoltaic module. When the paper folding mechanism 54 moves into position, the right angle of the photovoltaic module is seated on the corner paper on the supporting plate 542. The fifth cylinder 5433 drives the transverse folding push plate 5431 to rise, pushing up the corner paper on both sides of the right angle of the supporting plate 542 and folding it to fit the side surface of the photovoltaic module. Then, the fourth cylinder 5432 drives the transverse folding push plate 5431 to move horizontally, folding the upright part of the corner paper horizontally to fit the upper surface of the module.Then, the robot 71 drives the folding plate 72 to push down the portion of the corner paper extending horizontally from the module frame and fold the folded portion of the corner paper downwardly and fit it into the inner side of the module frame. The folding plate 72 first pushes down the corner paper on the front folding mechanism 54 and fits the folded portion of the corner paper into the inner side of the module frame. Then, it rotates to the rear folding mechanism 54 to continue pushing down the corner paper and fits the folded portion of the corner paper into the inner side of the module frame. After the corner guard is wrapped, the folding plate 72 is reset, the horizontal folding push plate 5431 and the supporting plate 542 are lowered together, and the second support plate 51 and the third support plate 52 are reset. At the same time, the detection camera 82 takes a photo of the wrapped corner guard to confirm whether the corner guard is wrapped properly. After the photo is taken, the photovoltaic module is output and the next photovoltaic module is wrapped with corner paper.

[0048] The above descriptions are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present invention, and these all fall within the scope of protection of the present invention.

Claims

1. A universal automatic corner protection machine, characterized by: It includes a frame, a component conveyor line, several corner protector paper feeding mechanisms arranged on the frame, a corner protector paper positioning module located beside the corner protector paper feeding mechanism and re-positioning the corner protector paper, a corner protector folding device arranged on the left and right sides of the component conveyor line, a conveying and loading mechanism for conveying between the corner protector paper feeding mechanism, the corner protector paper positioning module and the corner protector folding device, a corner protector paper folding mechanism arranged on the side of the component conveyor line and buckling the folded paper wrapped at the right angle of the photovoltaic component into the inner side of the frame, and a detection module arranged above the component conveyor line and detecting the wrapped corner protector.

2. A universal automatic corner protection machine according to claim 1, characterized in that: The conveying front end of the component conveying line is provided with a blocking component for blocking the photovoltaic components from continuing to be conveyed forward. The blocking component includes a first blocking wheel and a first cylinder that drives the first blocking wheel to move up and down.

3. The universal automatic corner protection machine according to claim 1, characterized in that: The corner protector paper feeding mechanism includes a first support column and a second support column arranged vertically and parallel to each other, a first support plate for placing the corner protector paper and a first driving module for driving the first support plate to move up and down are movably provided on the first support column, a first cylinder for driving the second support column to approach or move away from the first support column is provided below the second support column, a material bin for placing the corner protector paper is formed between the first support column and the second support column, a number of blocks for clamping the top layer of corner protector paper are provided on the first support column and the second support column, and a first sensor for sensing the height of the corner protector paper is provided on the first support column.

4. The universal automatic corner protection machine according to claim 1, characterized in that: The corner protector positioning module includes a positioning plate for placing the corner protector, a positioning block arranged on the positioning plate and positioning one side of the corner protector, a movable block for positioning the other opposite side of the corner protector, and a second cylinder that drives the movable block close to or away from the corner protector.

5. The universal automatic corner protection machine according to claim 1, characterized in that: The corner folding device includes a second support plate and a third support plate arranged on the left and right sides of the component conveyor line and a second driving module driving the second support plate and the third support plate to move closer to or away from each other. Two paper folding mechanisms are symmetrically arranged on the second support plate and the third support plate, and each of the paper folding mechanisms is driven by a third driving module to move forward and backward.

6. A universal automatic corner protection machine according to claim 5, characterized in that: The paper folding mechanism includes a base plate, a supporting plate arranged above the base plate, and a third cylinder driving the supporting plate to move up and down. An avoidance opening is provided on the supporting plate and right-angled sides perpendicular to each other are formed. A first suction nozzle is provided on the right-angled side. Two horizontal folding components located on both sides of the right-angled side of the supporting plate are provided at the avoidance opening. The horizontal folding component includes a horizontal folding push plate located on one side of the right-angled side of the supporting plate, a fourth cylinder driving the horizontal folding push plate to move horizontally, and a fifth cylinder driving the fourth cylinder to move up and down. A long side correction mechanism for correcting the long side of the photovoltaic module is provided on the base plate.

7. The universal automatic corner protection machine according to claim 5, characterized in that: A correction and pressing mechanism for correcting and pressing the short side of the photovoltaic module is provided in the middle of the second support plate and the third support plate. The correction and pressing mechanism includes a support frame, a second correction wheel provided on the support frame, a first support block for supporting the short side of the photovoltaic module, a pressing block provided above the first support block and pressed on the upper surface of the photovoltaic module, and a seventh cylinder for driving the pressing block to move up and down. The upper end of the first support block includes a slope guide surface and a horizontal support surface.

8. The universal automatic corner protection machine according to claim 5, characterized in that: The corner paper folding mechanism is provided in the middle of the second support plate and the third support plate. The corner paper folding mechanism includes a robot and a folding plate provided at the movable end of the robot. The folding plate folds the corner paper to the surface of the photovoltaic module, and then pushes it obliquely downward into the contoured right-angle portion on the inner side of the photovoltaic module frame.

9. The universal automatic corner protection machine according to claim 1, characterized in that: The transporting and loading mechanism includes an X-axis drive module arranged on the frame, a fourth support plate driven by the X-axis drive module to move in the X direction, an eighth cylinder arranged on the fourth support plate, a mounting plate driven by the eighth cylinder to move up and down, and a second suction nozzle arranged on the mounting plate.

10. The universal automatic corner protection machine according to claim 1, characterized in that: The detection module includes two mounting beams that are slid left and right on the frame, and several detection cameras that are movably arranged on the mounting beams and take pictures of the wrapped corner guards. The mounting beams and the detection cameras are movably arranged through sliders and rails and are locked by screws.

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