A photovoltaic module lead bending and barcode pasting machine

Abstract

The present invention discloses a photovoltaic module lead bending and barcode pasting machine, which includes a frame, a conveyor line, a positioning mechanism, a lead bending mechanism, a barcode pasting mechanism, and a CCD visual device. The frame workbench is provided with a conveyor line for supporting and flowing in and out of photovoltaic modules, and a positioning mechanism for positioning the four sides of photovoltaic modules is provided around the conveyor line. The frame above the conveyor line is provided with a lead bending mechanism and a barcode pasting mechanism, and a CCD visual device for detecting the lead is provided on the lifting frame of the lead bending mechanism. Through the above manner, the present invention has a compact structure and stable operation, can convey and position photovoltaic modules, bend the leads, and flatten the bent leads to avoid bulging of the back plate and warping of the leads, can affix barcodes according to angle requirements, and roll the barcodes to ensure smooth and tight attachment.

Description

Technical Field

[0001] The invention relates to the technical field of photovoltaic component production, in particular to a photovoltaic component lead bending and barcode pasting machine. Background Art

[0002] As the call for environmental protection becomes stronger and stronger, solar power generation has developed rapidly, so the demand for solar modules has also grown rapidly. The vertical leads extending from the cells on the photovoltaic modules need to be bent from the original vertical state to a state of horizontal attachment to the surface of the product. Manual bending has low efficiency and is difficult to ensure quality. The product is large and difficult to operate. During the manual bending process, problems such as bulging of the photovoltaic module back panel, inadequate bending and warping of the leads often occur. In addition, after the lead bending is completed, it is often accompanied by the action of barcode attachment. Different equipment is required to complete the above operation. In this process, multiple transportation and positioning are required, the operation is cumbersome, and problems such as inadequate attachment and easy loss of the barcode often occur. In the actual attachment process, the barcode attachment position has different angle requirements. A single position attachment is difficult to meet the needs of different products, has poor applicability, occupies a large area of ​​equipment, and has high cost. Based on the above defects and shortcomings, it is necessary to improve the existing technology and design a photovoltaic module lead bending and barcode sticking machine. Summary of the invention

[0003] The main technical problem solved by the present invention is to provide a photovoltaic module lead bending and barcode affixing machine with a compact structure and stable operation. It can convey and position photovoltaic modules, bend the leads and flatten the bent leads to avoid bulging of the back plate and warping of the leads. It can attach barcodes according to angle requirements and roll the barcodes to ensure smooth and tight attachment.

[0004] In order to solve the above technical problems, a technical solution adopted by the present invention is: to provide a photovoltaic module lead bending and barcode pasting machine, which includes a frame, a conveyor line, a positioning mechanism, a lead bending mechanism, a barcode pasting mechanism, and a CCD visual device. The frame workbench is provided with a conveyor line for supporting and flowing in and out of photovoltaic modules, and a positioning mechanism for positioning the four sides of the photovoltaic modules is arranged around the conveyor line. The frame above the conveyor line is provided with a lead bending mechanism and a barcode pasting mechanism, and the lifting frame of the lead bending mechanism is provided with a CCD visual device for detecting the leads. Double doors are provided on both sides of the protective cover of the frame, and a coding gun with adjustable left, right, up and down positions is installed on the frame above the output end of the conveyor line, and an electric control box is provided in the frame.

[0005] Preferably, the positioning mechanism is composed of long-side alignment and short-side alignment, and the long-side alignment includes a synchronous pulley, a toothed belt, a servo motor, a alignment movable plate, a linear slide rail, a tug wheel and a step alignment wheel. The two synchronous pulleys are connected by a toothed belt, and the servo motor drives the synchronous pulley to rotate. The toothed belt is connected to the alignment movable plate on both sides through a belt pressure plate, and the bottom of the alignment movable plate is connected to the rack workbench through a linear slide rail. The alignment movable plate is installed with a tug wheel for supporting the bottom surface of the glass and a step alignment wheel for aligning the frame of the photovoltaic module. The tug wheel is arranged to prevent the glass from sagging.

[0006] Preferably, the short side alignment includes a short side bracket, a short side pulley, a first belt, a connecting shaft, a motor, a driving pulley, a movable frame, a short side slide rail, a lifting cylinder and a aligning wheel. The two short side brackets are arranged on a frame workbench, and short side pulleys are inserted at both ends of the short side brackets. The short side pulleys are connected by a first belt. A connecting shaft is inserted between the two short side brackets, and the connecting shaft is driven by a motor. A driving pulley is installed on the connecting shaft, and the driving pulley is meshed with the first belt. The first belt is connected to the movable frame through a belt pressure plate, and the movable frame is connected to the short side bracket through the short side slide rail. A lifting cylinder is installed on the movable frame, and a aligning wheel is installed on the piston rod of the lifting cylinder.

[0007] Preferably, the lead bending mechanism includes a single-axis manipulator, a servo lifting module, a lifting frame, a pre-folding buffer assembly, a bending actuator assembly, a post-folding flattening assembly, a solenoid valve group and an electrical relay box. The sliding block of the single-axis manipulator is equipped with a vertically arranged servo lifting module, the servo lifting module drives the lifting frame to move up and down, the bending actuator assembly is installed on the lower bottom plate of the lifting frame, the pre-folding buffer assembly and the post-folding flattening assembly are installed on the front side plate of the lifting frame, and the vertical plate of the lifting frame is also equipped with a solenoid valve group for controlling the cylinder and an electrical relay box for concentrating and transmitting the signal cables; the pre-folding buffer assembly includes a bracket and a buffer suction cup, the bracket is provided with a waist-shaped mounting hole for adjusting the height, the bracket is fixed to the front side plate of the lifting frame by screws, and two buffer suction cups are installed on the horizontal bending part at the bottom of the bracket, the buffer suction cup first contacts the back of the photovoltaic module to prevent the inner plate from bulging when the lead is bent.

[0008] Preferably, the bending actuator includes a forward extension cylinder, a connecting frame, opening and closing air claws, a bending blade and a side retaining pressure plate. The forward extension cylinder is fixed to the bottom of the lifting frame, the connecting frame is installed on the slide of the forward extension cylinder, the opening and closing air claws are installed on the vertical plate of the connecting frame, the bending blades are installed on the two clamping arms of the opening and closing air claws, and two side retaining pressure plates located below the bending blades are installed at the bottom of the vertical plate of the connecting frame.

[0009] Preferably, the post-bending flattening assembly includes a lifting cylinder vertically fixed on the front side plate of the lifting frame, and a pressure block driven up and down by the lifting cylinder. The pressure block is made of elastic material, and the pressure block is pressed down to flatten the bent lead to prevent warping, and the pressing distance is controllable.

[0010] Preferably, the barcode pasting mechanism comprises a barcode feeding assembly arranged on a frame, a three-axis handling mechanical arm docking with the barcode feeding assembly, a barcode pasting gripper driven by the three-axis handling mechanical arm, and a barcode rolling assembly fixed on the barcode pasting gripper; the barcode feeding assembly is composed of a barcode printer and a receiving plate, etc., the barcode printer output end is provided with a receiving plate, the receiving plate is provided with a detection hole, the barcode printer above the receiving plate is provided with an optical fiber sensor for detecting whether there is a barcode, and the barcode printer detects whether there is a barcode. The printer can communicate with the MES system, and the printer can print barcodes according to the content transmitted by the MES to realize automatic feeding of barcodes. The barcode sticking gripper includes a rotating cylinder, a rotating plate, a spring column, a suction block and a vacuum suction cup. The rotating cylinder is arranged at the output end of the three-axis transport robot arm. A rotating plate is installed on the turntable of the rotating cylinder. The protruding end of the rotating plate is elastically connected to the suction block through the spring column. A vacuum suction cup is installed at the bottom of the suction block. The vacuum suction cup is externally connected to a suction device to realize the grabbing and transportation of the barcode, and the barcode can be attached with a rotation degree.

[0011] Preferably, the barcode rolling assembly includes a push-pull cylinder, a rolling mounting plate, a rolling lifting cylinder, a lifting plate, a guide rod, a guide bushing, a roller bracket and a roller. The push-pull cylinder is horizontally arranged on the rotating plate through the bracket, and the push-pull cylinder is arranged on the rotating plate through the bracket. The rolling mounting plate is installed on the piston rod of the push-pull cylinder, and the rolling mounting plate is installed on the rolling lifting cylinder. The lifting plate is installed on the piston rod of the roller lifting cylinder, and two guide rods are installed on the lifting plate. Guide bushings matching the guide rods are installed on the rolling mounting plate, and the guide rods pass through the guide bushings. A roller bracket is installed at the bottom of the lifting plate, and a roller is inserted on the roller bracket for rolling the attached barcode.

[0012] Preferably, the CCD vision device detects a bracket, an upper light source, a CCD camera, a side strip light source and a side camera. The detection bracket is fixed on a lifting frame, and an upper light source and a CCD camera with an opening facing downward are installed on the detection bracket. A strip light source and a side camera are installed at the bottom of the detection bracket to detect whether the leads of the incoming components are normal, guide the robot to locate the lead position, and detect whether the leads are qualified after bending.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] Compact structure, stable operation, capable of transporting and positioning photovoltaic modules;

[0015] The setting of the lead bending mechanism can bend the lead and flatten the bent lead to prevent the lead from warping;

[0016] The setting of the pre-folding buffer component ensures that the buffer suction cup contacts the back of the photovoltaic module first, preventing the inner plate from bulging when the lead is bent;

[0017] Three leads are bent at the same time, with fast cycle;

[0018] The barcode sticking mechanism can stick the barcode according to the angle requirements and roll the barcode to ensure smooth and tight sticking. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The figure is a schematic diagram of the structure of a photovoltaic module lead bending and barcode sticking machine.

[0020] Figure 2 A top view of a photovoltaic module lead bending and barcode sticking machine.

[0021] Figure 3 The figure is a schematic diagram of the positioning mechanism structure of a photovoltaic module lead bending and barcode sticking machine.

[0022] Figure 4 The present invention is a schematic diagram of the structure of the lead bending mechanism of a photovoltaic module lead bending and barcode sticking machine.

[0023] Figure 5 The present invention is a partial structural schematic diagram of the lead bending mechanism of a photovoltaic module lead bending and barcode sticking machine.

[0024] Figure 6 The present invention is a schematic diagram of the structure of a bending execution component of a photovoltaic module lead bending and barcode labeling machine.

[0025] Figure 7 The present invention is a schematic diagram of the barcode sticking mechanism structure of a photovoltaic module lead bending and barcode sticking machine.

[0026] Figure 8 for Figure 7 Enlarged view of part A.

[0027] Fig. 9 The present invention is a schematic diagram of the partial structure of the barcode sticking mechanism of a photovoltaic module lead bending and barcode sticking machine.

[0028] Fig.10 This is a schematic diagram of the structure of a CCD vision device for a photovoltaic module lead bending and barcode labeling machine. DETAILED DESCRIPTION

[0029] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0030] See also Figures 1 to 10 , the embodiment of the present invention includes:

[0031] A photovoltaic module lead bending and barcode pasting machine, the photovoltaic module lead bending and barcode pasting machine comprises a frame 1, a conveyor line 2, a positioning mechanism 3, a lead bending mechanism 4, a barcode pasting mechanism 5, and a CCD visual device 6. The frame 1 workbench is provided with a conveyor line 2 for supporting and flowing in and out of the photovoltaic module, and a positioning mechanism 3 for positioning the four sides of the photovoltaic module is provided around the conveyor line 2. The frame 1 above the conveyor line 2 is provided with a lead bending mechanism 4 and a barcode pasting mechanism 5. The lead bending mechanism 4 is provided with a positioning mechanism 3 for positioning the four sides of the photovoltaic module. A CCD visual device 6 for detecting the lead wire is arranged on the lifting frame 43. Double doors 11 are arranged on both sides of the shield of the frame 1 for easy maintenance. Access switches are arranged at the lower part of the double door 11 and at the lower part of the barcode printer 511 of the barcode sticking mechanism 5. When the door is opened, the equipment cannot be operated, and the safety protection is high. Visual plexiglass is used on the shield and the double door 11. A coding gun 12 with adjustable left, right, up and down positions is installed on the frame 1 above the output end of the conveyor line 2, and an electric control box is arranged in the frame 1.

[0032] The positioning mechanism 3 is composed of a long side alignment 31 and a short side alignment 32. The long side alignment 31 includes a synchronous pulley 311, a toothed belt 312, a servo motor 313, a alignment moving plate 314, a linear slide 315, a tug 316 and a step alignment wheel 317. The two synchronous pulleys 311 are connected by a toothed belt 312. The servo motor 313 drives the synchronous pulley 311 to rotate. The toothed belt 312 is connected to the alignment moving plate 314 on both sides through a belt pressure plate. The bottom of the alignment moving plate 314 is connected to the workbench of the frame 1 through a linear slide 315. The alignment moving plate 314 is installed with a tug 316 for supporting the bottom surface of the glass and a step alignment wheel 317 for aligning the frame of the photovoltaic module. The setting of the tug 316 prevents the glass from sagging.

[0033] The short side alignment 32 comprises a short side bracket 321, a short side pulley 322, a first belt 323, a connecting shaft 324, a motor 325, a driving pulley 326, a moving frame 327, a short side slide rail 328, a lifting cylinder 329 and a alignment wheel 3210. The two short side brackets 321 are arranged on the workbench of the frame 1. The short side pulleys 322 are inserted at both ends of the short side brackets 321. The short side pulleys 322 are connected by the first belt 323. 1 is inserted with a connecting shaft 324, the connecting shaft 324 is driven by a motor 325, a driving pulley 326 is installed on the connecting shaft 324, the driving pulley 326 is meshed with the first belt 323, the first belt 323 is connected to the moving frame 327 through a belt pressure plate, the moving frame 327 is connected to the short side bracket 321 through a short side slide rail 328, a lifting cylinder 329 is installed on the moving frame 327, and a aligning wheel 3210 is installed on the piston rod of the lifting cylinder 329.

[0034] The lead bending mechanism 4 includes a single-axis manipulator 41, a servo lifting module 42, a lifting frame 43, a pre-folding buffer assembly 44, a bending execution assembly 45, a post-folding flattening assembly 46, a solenoid valve group 47 and an electrical relay box 48. The sliding block of the single-axis manipulator 41 is equipped with a vertically arranged servo lifting module 42, the servo lifting module 42 drives the lifting frame 43 to move up and down, the bending execution assembly 45 is installed on the lower bottom plate of the lifting frame 43, and the pre-folding buffer assembly 44 and the post-folding flattening assembly 46 are installed on the front side plate of the lifting frame 43. 6. A solenoid valve group 47 for controlling the cylinder and an electrical relay box 48 for concentrating the signal cables for transmission are also installed on the vertical plate of the lifting frame 43; the pre-folding buffer assembly 44 includes a bracket 441 and a buffer suction cup 442. The bracket 441 is provided with a waist-shaped mounting hole for adjusting the height. The bracket 441 is fixed to the front side plate of the lifting frame 43 by screws. Two buffer suction cups 442 are installed on the horizontal bending part at the bottom of the bracket 441. The buffer suction cup 442 first contacts the back of the photovoltaic module to prevent the inner plate from bulging when the lead is bent.

[0035] The bending actuator 45 includes a forward extension cylinder 451, a connecting frame 452, an opening and closing air claw 453, a bending blade 454 and a side retaining pressure plate 455. The forward extension cylinder 451 is fixed to the bottom of the lifting frame 43, the connecting frame 452 is installed on the slide of the forward extension cylinder 451, the opening and closing air claw 453 is installed on the vertical plate of the connecting frame 452, the bending blade 454 is installed on the two clamping arms of the opening and closing air claw 453, and two side retaining pressure plates 455 located below the bending blade 454 are installed at the bottom of the vertical plate of the connecting frame 452.

[0036] The post-bending flattening assembly 46 includes a lifting cylinder 461 vertically fixed on the front side plate of the lifting frame 43, and a pressing block 462 that moves up and down driven by the lifting cylinder 461. The pressing block 462 is made of elastic material. The pressing block 462 presses down to flatten the bent lead to prevent warping, and the pressing distance is controllable.

[0037] The barcode pasting mechanism 5 comprises a barcode feeding assembly 51 arranged on the frame 1, a three-axis handling mechanical arm 52 docking with the barcode feeding assembly 51, a barcode pasting gripper 53 driven by the three-axis handling mechanical arm 52, and a barcode rolling assembly 54 fixed on the barcode pasting gripper 53. The barcode feeding assembly 51 is composed of a barcode printer 511 and a receiving plate 512, etc. The output end of the barcode printer 511 is provided with a receiving plate 512, and the receiving plate 512 is provided with a detection hole. The barcode printer 511 above the receiving plate 512 is provided with an optical fiber sensor for detecting whether there is a barcode. To detect whether there is a barcode, the barcode printer 511 can communicate with the M ES system can communicate, the printer can print barcodes according to the MES transmission content, and realize automatic feeding of barcodes. The barcode sticking gripper 53 includes a rotating cylinder 531, a rotating plate 532, a spring column 533, a suction block 534 and a vacuum suction cup 535. The rotating cylinder 531 is arranged at the output end of the three-axis handling robot 52, and a rotating plate 532 is installed on the turntable of the rotating cylinder 531. The protruding end of the rotating plate 532 is elastically connected to the suction block 534 through the spring column 533. A vacuum suction cup 535 is installed at the bottom of the suction block 534. The vacuum suction cup 535 is externally connected to a suction device to realize the grabbing and transportation of the barcode, and the barcode can be rotated 90 degrees for attachment.

[0038] The barcode rolling assembly 54 includes a push-pull cylinder 541, a rolling mounting plate 542, a rolling lifting cylinder 543, a lifting plate 554, a guide rod 555, a guide bushing 546, a roller bracket 547 and a roller 548. The push-pull cylinder 541 is horizontally arranged on the rotating plate 532 through a bracket. The push-pull cylinder 541 is arranged on the rotating plate 532 through a bracket. The rolling mounting plate 542 is installed on the piston rod of the push-pull cylinder 541. The rolling mounting plate 542 is installed on the piston rod of the push-pull cylinder 541. A roller lifting cylinder 543 is installed on 42, a lifting plate 454 is installed on the piston rod of the roller lifting cylinder 543, two guide rods 555 are installed on the lifting plate 454, a guide bushing 546 matching with the guide rod 555 is installed on the roller mounting plate 542, the guide rod 555 passes through the guide bushing 546, a roller bracket 547 is installed at the bottom of the lifting plate 454, a roller 548 is inserted on the roller bracket 547, and is used to roll the attached barcode.

[0039] The CCD vision device 6 includes a detection bracket 61, an upper light source 62, a CCD camera 63, a side strip light source 64 and a side camera 65. The detection bracket 61 is fixed on the lifting frame 43. The detection bracket 61 is equipped with an upper light source 62 and a CCD camera 63 with an opening facing downward. The bottom of the detection bracket 61 is equipped with a strip light source 64 and a side camera 65 to detect whether the leads of the incoming components are normal, guide the robot to locate the lead position, and detect whether the leads are qualified after bending.

[0040] When the photovoltaic module lead bending and barcode sticking machine of the present invention is working, the photovoltaic module flows into the set position inside the equipment through the conveyor line 2 and stops; the long side alignment 31 and the short side alignment 32 of the positioning mechanism 3 mechanically position the photovoltaic module, the piston rod of the lifting cylinder 329 extends to drive the alignment wheel 3210 to move upward, the alignment wheel 3210 blocks the photovoltaic module, and the motor 325 drives the connecting shaft 324 to rotate, thereby driving the alignment wheels 3210 on both sides to move toward each other, and the short side of the photovoltaic module is aligned. At the same time, the servo motor 313 drives the synchronous pulley 311 to rotate, thereby driving the toothed belt 312 The upper straightening movable plate 314 moves toward each other, the tugboat 316 holds the bottom surface of the glass to prevent the glass from sagging, the step straightening wheel 317 straightens the frame of the photovoltaic module, straightens the long side of the photovoltaic module, the CCD visual device 6 takes pictures of the leads on the photovoltaic module, detects whether the incoming leads are normal, determines the position of the leads, and sends to the PLC. For products with poor incoming leads, the PLC controls the product to be transported to the NG area; if the incoming leads are normal, the PLC guides the lead bending mechanism 4 to bend the leads at three locations according to the CCD, and the single-axis manipulator 41 and the servo lifting module 42 work together to bend the bending actuator 45 descends and approaches the lead of the photovoltaic module. The buffer suction cup 442 of the pre-folding buffer component 44 first contacts the back of the photovoltaic module to prevent the back plate from bulging when the lead is bent. The side plate 455 contacts the product. The forward extension cylinder 451 extends to drive the bending blade 454 to move to the middle of the two vertical leads to be bent. The opening and closing air claws 453 work to drive the two bending blades 454 to move back to back. At this time, the two leads are bent into an inverted eight shape. The lifting cylinder 461 of the post-folding flattening component 46 drives the pressing block 462 to move downward. The pressing block 462 presses down to flatten the bent leads to prevent the leads from warping. After the leads are bent, CC The D vision device 6 takes another photo of the lead to detect and determine whether the bent lead is qualified; the barcode printer 511 automatically prints the barcode and conveys the printed barcode to the receiving plate 512. The barcode gripper 53 driven by the three-axis transport robot 52 absorbs the barcode and moves it to the set position of the photovoltaic module to meet various angle attachment requirements. The barcode can be rotated 90 degrees for attachment. After the attachment is completed, the barcode rolling component 54 extends out to roll the attached barcode. When the photovoltaic module flows out of the equipment, the fixed barcode scanner 12 scans the barcode on the module and feeds back the result. The defective products are transported to the NG area.

[0041] The photovoltaic module lead bending and barcode sticking machine of the present invention has a compact structure and stable operation, can convey and position photovoltaic modules, bend the leads and flatten the bent leads to avoid bulging of the back plate and warping of the leads, can stick barcodes according to angle requirements, and roll the barcodes to ensure smooth and tight sticking.

[0042] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A photovoltaic module lead bending and barcode labeling machine, characterized by: The photovoltaic module lead bending and barcode pasting machine includes a frame, a conveyor line, a positioning mechanism, a lead bending mechanism, a barcode pasting mechanism, and a CCD visual device. The frame workbench is provided with a conveyor line for supporting and flowing in and out of the photovoltaic module, and a positioning mechanism for positioning the four sides of the photovoltaic module is provided around the conveyor line. The frame above the conveyor line is provided with a lead bending mechanism and a barcode pasting mechanism, and a CCD visual device for detecting the lead is provided on the lifting frame of the lead bending mechanism. Double doors are provided on both sides of the protective cover of the frame, and a coding gun with adjustable left, right, up and down positions is installed on the frame above the output end of the conveyor line, and an electric control box is provided in the frame; The lead bending mechanism includes a single-axis manipulator, a servo lifting module, a lifting frame, a pre-folding buffer assembly, a bending execution assembly, a post-folding flattening assembly, a solenoid valve group and an electrical relay box. The sliding block of the single-axis manipulator is equipped with a vertically arranged servo lifting module, the servo lifting module drives the lifting frame to move up and down, the bending execution assembly is installed on the lower bottom plate of the lifting frame, the pre-folding buffer assembly and the post-folding flattening assembly are installed on the front side plate of the lifting frame, and the vertical plate of the lifting frame is also equipped with a solenoid valve group for controlling the cylinder and an electrical relay box for concentrating and transmitting the signal cables; the pre-folding buffer assembly includes a bracket and a buffer suction cup, the bracket is provided with a waist-shaped mounting hole for adjusting the height, the bracket is fixed to the front side plate of the lifting frame by screws, and two buffer suction cups are installed on the horizontal bending part at the bottom of the bracket; The barcode sticking mechanism includes a barcode feeding assembly arranged on a frame, a three-axis handling robot arm docked with the barcode feeding assembly, a barcode sticking gripper driven by the three-axis handling robot arm, and a barcode rolling assembly fixed on the barcode sticking gripper. The barcode feeding assembly is composed of a barcode printer and a receiving plate. The barcode sticking gripper includes a rotating cylinder, a rotating plate, a spring column, a suction block and a vacuum suction cup. The rotating cylinder is arranged at the output end of the three-axis handling robot arm. A rotating plate is installed on the turntable of the rotating cylinder. The protruding end of the rotating plate is elastically connected to the suction block through a spring column. A vacuum suction cup is installed at the bottom of the suction block, and the vacuum suction cup is externally connected to an air suction device.

2. A photovoltaic module lead bending and barcode labeling machine according to claim 1, characterized in that: The positioning mechanism is composed of long side alignment and short side alignment. The long side alignment includes a synchronous pulley, a toothed belt, a servo motor, a alignment moving plate, a linear slide rail, a tug wheel and a step alignment wheel. The two synchronous pulleys are connected by a toothed belt. The servo motor drives the synchronous pulley to rotate. The toothed belt is connected to the alignment moving plate on both sides through a belt pressure plate. The bottom of the alignment moving plate is connected to the rack workbench through a linear slide rail. The alignment moving plate is installed with a tug wheel for supporting the bottom surface of the glass and a step alignment wheel for aligning the frame of the photovoltaic module.

3. A photovoltaic module lead bending and barcode labeling machine according to claim 2, characterized in that: The short side alignment includes a short side bracket, a short side pulley, a first belt, a connecting shaft, a motor, a driving pulley, a movable frame, a short side slide rail, a lifting cylinder and a aligning wheel. Two short side brackets are arranged on a frame workbench. Short side pulleys are installed at both ends of the short side brackets. The short side pulleys are connected by a first belt. A connecting shaft is inserted between the two short side brackets. The connecting shaft is driven by a motor. A driving pulley is installed on the connecting shaft. The driving pulley is meshed with the first belt. The first belt is connected to the movable frame through a belt pressure plate. The movable frame is connected to the short side bracket through the short side slide rail. A lifting cylinder is installed on the movable frame, and a aligning wheel is installed on the piston rod of the lifting cylinder.

4. A photovoltaic module lead bending and barcode labeling machine according to claim 1, characterized in that: The bending execution assembly includes a forward extension cylinder, a connecting frame, opening and closing air claws, a bending blade and a side retaining pressure plate. The forward extension cylinder is fixed to the bottom of the lifting frame, the connecting frame is installed on the slide of the forward extension cylinder, the opening and closing air claws are installed on the vertical plate of the connecting frame, the bending blades are installed on the two clamping arms of the opening and closing air claws, and two side retaining pressure plates located below the bending blades are installed at the bottom of the vertical plate of the connecting frame.

5. A photovoltaic module lead bending and barcode labeling machine according to claim 1, characterized in that: The post-folding flattening assembly comprises a lifting cylinder vertically fixed on the front side plate of the lifting frame, and a pressing block driven by the lifting cylinder to move up and down, and the pressing block is made of elastic material.

6. A photovoltaic module lead bending and barcode labeling machine according to claim 1, characterized in that: The barcode rolling assembly includes a push-pull cylinder, a rolling mounting plate, a rolling lifting cylinder, a lifting plate, a guide rod, a guide bushing, a roller bracket and a roller. The push-pull cylinder is horizontally arranged on the rotating plate through a bracket. The push-pull cylinder is arranged on the rotating plate through a bracket. The rolling mounting plate is installed on the piston rod of the push-pull cylinder. The rolling mounting plate is installed with the rolling lifting cylinder. The lifting plate is installed on the piston rod of the roller lifting cylinder. Two guide rods are installed on the lifting plate. The rolling mounting plate is installed with a guide bushing that cooperates with the guide rod. The guide rod passes through the guide bushing. The roller bracket is installed at the bottom of the lifting plate, and the roller is inserted on the roller bracket.

7. A photovoltaic module lead bending and barcode labeling machine according to claim 1, characterized in that: The CCD vision device comprises a detection bracket, an upper light source, a CCD camera, a side strip light source and a side camera. The detection bracket is fixed on a lifting frame, and an upper light source and a CCD camera with an opening facing downward are installed on the detection bracket. A strip light source and a side camera are installed at the bottom of the detection bracket.

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