CN115719723A - A quality inspection device for photovoltaic panel production - Google Patents

Abstract

The invention relates to the technical field of quality inspection racks, in particular to a quality inspection device for photovoltaic panel production, which includes a casing, a drive structure, a frame, a support structure, a clamping structure, a positioning structure and a limit structure; It is convenient to adjust the position of the positioning structure, so that the positioning structure cooperates with the frame to position the front and rear sides of the photovoltaic panel, so that the fixing of the photovoltaic panel is more stable, and it is convenient to adjust the position of the support structure, and the left and right sides of the photovoltaic panel are positioned and supported, so that the photovoltaic panel The fixing effect is better, and at the same time, it is convenient to locate photovoltaic panels of different sizes. The clamping structure cooperates with the supporting structure to facilitate the clamping and fixing of photovoltaic panels from the upper and lower directions. The photovoltaic panel is fixed by lifting, which reduces the pressure on the photovoltaic panel. , to avoid damage to the photovoltaic panel, and at the same time, it is convenient to clamp photovoltaic panels of different thicknesses, and the driving structure drives the frame to turn over, which is convenient for detecting different positions of the photovoltaic panel.

Description

A quality inspection device for photovoltaic panel production

technical field

The invention relates to the technical field of quality inspection racks, in particular to a quality inspection device for photovoltaic panel production.

Background technique

During the production and manufacturing process of photovoltaic panels, it is necessary to carry out quality inspection of the finished products, mainly to detect whether there are hidden cracks, fragments, virtual welding, broken grids and abnormal phenomena of monolithic cells with different conversion efficiencies. During the inspection work, The finished photovoltaic panels are conveyed on the conveyor belt, placed on the inspection work platform by the suction cup of the mechanical arm, and then the qualified and unqualified finished photovoltaic panels are sorted. In this process, only the photovoltaic panels One side is scanned for detection, and then the back side is scanned for detection. For example, the invention patent with the publication number: CN112145898B discloses a quality detection mechanism for photovoltaic panel production.

However, a quality inspection mechanism for photovoltaic panel production disclosed in the invention patent with the publication number CN112145898B adopts a complex structure to fix the photovoltaic panel from the side, which is cumbersome and unfavorable for maintenance. Plates rely on friction to clamp photovoltaic panels. When the clamping force is too large, it is easy to cause damage to the photovoltaic panel. When the clamping force is small, it will lead to poor stability, and it is not convenient to clamp and fix photovoltaic panels of different sizes. Poor versatility.

Contents of the invention

Aiming at the problems in the prior art, the invention provides a quality detection device for photovoltaic panel production.

The technical solution adopted by the present invention to solve the technical problem is: a quality detection device for photovoltaic panel production, including a casing, the casing is provided with a driving structure, and the driving structure drives the frame to turn over; The positioning structure for positioning the photovoltaic panel, the frame is provided with a limiting structure for fixing the positioning structure; the frame is provided with a support structure for holding up the photovoltaic panel, and the support structure cooperates with the clamping structure on the frame The structure clamps and fixes the photovoltaic panel;

The support structure includes two first sliders, two first sliders are slidably arranged on the frame, a support bar is fixed on the first slider, the cross section of the support bar is L-shaped, and the A guide seat is fixed on the first slider;

The clamping structure includes a drive shaft, the drive shaft is rotated on the guide seat, the drive shaft is connected to the first slider in rotation, a splint is fixed on the drive shaft, and rubber is fixed on the splint The end of the drive shaft is fixed with a turntable, the edge of the turntable is rotated with a guide wheel, the frame is fixed with a hydraulic cylinder, the telescopic end of the hydraulic cylinder is fixed with a drive bar, and the drive bar A guide groove is arranged on the top, and the guide wheel rolls in the guide groove.

Specifically, a guide rail is provided on the frame, and the end of the support bar away from the first slider is slidably connected to the guide rail.

Specifically, a first knob is threadedly connected to the bottom end of the first slider, and the first knob interferes with the frame, and the first slider cannot move when the first knob interferes with the frame.

Specifically, a guide rod is fixed on the frame, and the driving bar slides on the guide rod.

Specifically, the drive structure includes a bearing seat and a motor, and the left and right sides of the housing are respectively fixed with the bearing seat and the motor. Flanges are fixed on both sides, and two adjacent flanges are fixed by bolts.

Specifically, the positioning structure includes two second sliders, two second sliders are slid on the frame, and the bottom end of the second slider is rotated with a connecting rod, and the connecting rod and the positioning The plates are rotatably connected, and the two connecting rods are rotatably connected in an "X" shape.

Specifically, a slide bar is fixed on one of the second slide blocks, and the slide bar is slidably connected to another second slide block, and a plurality of first limiting holes are provided on the slide bar.

Specifically, the limiting structure includes a limiting rod, a limiting rod is slid on the second slider on the right side, the limiting rod is engaged with the first limiting hole, and the limiting rod is fixed There is a handle, and the side of the limit rod facing away from the second slider engages with the second limit hole on the frame, and there are multiple second limit holes on the frame equidistantly.

Specifically, the end of the limiting rod facing away from the second slider is T-shaped, the limiting rod passes through the spring, and the two ends of the spring are in contact with the second sliding block and the limiting rod respectively.

Specifically, the limiting structure includes a limiting rod, a limiting rod is slid on the second slider on the right side, the limiting rod interferes with the sliding rod, and a handle is fixed on the limiting rod , the side of the limit rod away from the second slider is slidably connected to the chute on the frame, the end of the limit rod away from the second slider is T-shaped, and the limit rod is threadedly connected with The second knob, the second knob passes through the sliding slot, and the second knob interferes with the frame.

The beneficial effects of the present invention are:

(1) A quality inspection device for photovoltaic panel production according to the present invention, the frame is provided with a positioning structure for positioning the photovoltaic panel, and the frame is provided with a limiting structure for fixing the positioning structure , the position of the positioning structure can be easily adjusted through the limiting structure, so that the positioning structure cooperates with the frame to position the front and rear sides of the photovoltaic panel, so that the fixing of the photovoltaic panel is more stable.

(2) A quality inspection device for photovoltaic panel production according to the present invention, the frame is provided with a support structure for holding up the photovoltaic panel, which is convenient for adjusting the position of the support structure, positioning and supporting the left and right sides of the photovoltaic panel, The fixing effect of the photovoltaic panel is better, and it is convenient to locate photovoltaic panels of different sizes.

(3) A quality inspection device for photovoltaic panel production according to the present invention, the supporting structure cooperates with the clamping structure on the frame to clamp and fix the photovoltaic panel, and the clamping structure cooperates with the supporting structure to facilitate clamping and fixing the photovoltaic panel from the up and down direction, The photovoltaic panel is fixed by lifting, which reduces the pressure on the photovoltaic panel and avoids damage to the photovoltaic panel. At the same time, it is convenient to clamp photovoltaic panels of different thicknesses. The driving structure drives the frame to turn over, which is convenient for detecting different positions of the photovoltaic panel. .

Description of drawings

Fig. 1 is the overall structure schematic diagram of the first embodiment and the second embodiment of a quality detection device for photovoltaic panel production provided by the present invention;

Figure 2 is an enlarged schematic view of the structure of part A shown in Figure 1;

FIG. 3 is an enlarged schematic diagram of the structure of part B shown in FIG. 1;

FIG. 4 is an enlarged schematic diagram of the structure of part C shown in FIG. 1;

FIG. 5 is an enlarged schematic diagram of the structure of part D shown in FIG. 2;

Figure 6 is an enlarged schematic view of the structure of part E shown in Figure 2;

Fig. 7 is a schematic diagram of the connection structure between the support structure and the clamping structure of the first embodiment and the second embodiment of the present invention;

Fig. 8 is a structural schematic diagram of the positioning structure of the present invention;

Fig. 9 is a schematic diagram of the connection structure of the positioning structure and the limiting structure of the first embodiment provided by the present invention

Fig. 10 is a schematic diagram of the connection structure of the positioning structure and the limiting structure according to the second embodiment of the present invention.

In the figure: 1. shell; 2. drive structure; 201. bearing seat; 202. motor; 203. flange; 204. shaft; 3. frame; 4. support structure; 401. support bar; 402. first slide Block; 403, guide rail; 404, guide seat; 405, first knob; 5, clamping structure; 501, rubber sleeve; 502, drive bar; 503, splint; 504, drive shaft; 505, guide wheel; 506, turntable ; 507, guide groove; 508, guide rod; 509, hydraulic cylinder; 6, positioning structure; 601, positioning plate; 7, limit structure; 701, limit rod; 702, handle; 703, spring; 704, second limit hole; 705, second knob; 706, chute.

Detailed ways

In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

Embodiment one

As shown in Figures 1 to 9, a photovoltaic panel production quality detection device proposed in Embodiment 1 of the present invention includes a housing 1, on which a driving structure 2 is provided, and the driving structure 2 drives the frame 3 to turn over; The frame 3 is provided with a positioning structure 6 for positioning the photovoltaic panel, the frame 3 is provided with a limiting structure 7 for fixing the positioning structure 6; the frame 3 is provided with a positioning structure 7 for holding up the photovoltaic panel The supporting structure 4, the supporting structure 4 cooperates with the clamping structure 5 on the frame 3 to clamp and fix the photovoltaic panel.

The positioning structure 6 includes two second sliders 604, two second sliders 604 are slidably arranged on the frame 3, and the bottom end of the second slider 604 is rotated to be provided with a connecting rod 605. The rod 605 is rotationally connected with the positioning plate 601, and the two connecting rods 605 are rotationally connected in an "X" shape, and one of the second sliders 604 is fixed with a sliding rod 602, and the sliding rod 602 is connected to the other There is a sliding connection between the second sliding block 604, and the sliding bar 602 is provided with a plurality of first limiting holes 603;

The limiting structure 7 includes a limiting rod 701, and the second sliding block 604 on the right side is slidably provided with a limiting rod 701, and the limiting rod 701 is engaged with the first limiting hole 603, and the limiting rod 701 is engaged with the first limiting hole 603. A handle 702 is fixed on the rod 701, and the side of the limiting rod 701 away from the second slider 604 engages with the second limiting hole 704 on the frame 3, and the second limiting hole 704 on the frame 3 etc. There are multiple distances, and the end of the limit rod 701 away from the second slider 604 is T-shaped, the limit rod 701 penetrates through the spring 703, and the two ends of the spring 703 respectively resist the second slider 604 and limit rod 701;

Hold the handle 702 and pull the handle 702 upwards. The handle 702 drives the limit rod 701 to slide upwards, so that the limit rod 701 drives the spring 703 to compress, so that the left and right ends of the limit rod 701 are not in contact with the first limit hole 603 and the first limit hole 603 respectively. The two limit holes 704 are engaged, and then the handle 702 is pushed, so that the limit rod 701 drives the second slider 604 to slide with the frame 3, and the slider 602 is pulled to slide with the second slider 604, so that the two second sliders 604 The distance between them changes, the two connecting rods 605 on the second slider 604 rotate, the connecting rods 605 and the positioning plate 601 rotate, and at the same time push the positioning plate 601 to move, then release the handle 702, and the spring 703 extends to drive the limit rod 701 Reset, make the two ends of the limit rod 701 engage with the first limit hole 603 and the second limit hole 704 respectively, so that the second slide block 604 and the slide bar 602 cannot move, so that the positioning plate 601 cannot move. The positioning plate 601 cooperates with the frame 3 to position the photovoltaic panel in the front and rear direction.

Specifically, the support structure 4 includes two first sliders 402, two first sliders 402 are slidably arranged on the frame 3, a support bar 401 is fixed on the first slider 402, and the support The cross section of the bar 401 is L-shaped, and a guide seat 404 is fixed on the first slider 402; The first slider 402 cannot be moved by the first knob 405 against the frame 3;

Turn the first knob 405 so that the first knob 405 does not interfere with the frame 3, then slide the first slider 402, and when the distance between the two first sliders 402 changes, turn the first knob 405 so that the first knob 405 The first sliding block 402 is limited by contact with the frame 3 , and the support bar 401 is L-shaped, which is convenient for supporting the photovoltaic panel, has a better supporting effect on the photovoltaic panel, and is convenient for positioning photovoltaic panels of different sizes.

Specifically, the frame 3 is provided with a guide rail 403, and the end of the support bar 401 away from the first slider 402 is slidingly connected with the guide rail 403; during the sliding process of the first slider 402, the support bar 401 and the guide rail 403 Sliding, so that the supporting effect on the support bar 401 is better.

The clamping structure 5 includes a drive shaft 504, the guide seat 404 is rotatably provided with a drive shaft 504, the drive shaft 504 is rotatably connected to the first slider 402, and the drive shaft 504 is fixed with a splint 503 , a rubber sleeve 501 is fixed on the splint 503, a turntable 506 is fixed on the end of the drive shaft 504, a guide wheel 505 is rotated at the edge of the turntable 506, and a hydraulic cylinder 509 is fixed on the frame 3, The telescopic end of the hydraulic cylinder 509 is fixed with a drive bar 502, the drive bar 502 is provided with a guide groove 507, the guide wheel 505 rolls in the guide groove 507, and the frame 3 is fixed with a guide rod 508, so The drive bar 502 slides on the guide bar 508;

During the sliding process of the first slider 402, the guide wheel 505 slides left and right in the guide groove 507, which will not affect the entire transmission. When the manipulator places the photovoltaic panel on the support bar 401, the hydraulic cylinder 509 shrinks, and the hydraulic cylinder 509 drives The bar 502 slides with the guide rod 508, and the drive bar 502 drives the guide wheel 505 to roll in the guide groove 507, and the distance between the guide groove 507 and the axis center of the drive shaft 504 changes in the vertical direction, so that the guide wheel 505 drives the turntable 506 to rotate, The rotation directions of the two turntables 506 are opposite. The turntable 506 drives the drive shaft 504 and the first slider 402 to rotate, and the drive shaft 504 drives the splint 503 to rotate, so that the rubber sleeve 501 on the splint 503 cooperates with the support bar 401 to clamp the photovoltaic panel. Therefore, the photovoltaic panel is clamped up and down, and the photovoltaic panel is lifted up, which reduces the friction force during the clamping process of the photovoltaic panel, makes the clamping and fixing effect better, and has a simple structure and flexible operation.

Specifically, the drive structure 2 includes a bearing seat 201 and a motor 202, and the left and right sides of the housing 1 are respectively fixed with a bearing seat 201 and a motor 202, and a rotating shaft 204 is arranged on the bearing seat 201, and the rotating shaft 204 1. Both sides of the output shaft of the motor 202 and the frame 3 are fixed with flanges 203, and two adjacent flanges 203 are fixed by bolts;

Two foot switches can be installed at the bottom of the housing 1, and the motor 202 and the hydraulic cylinder 509 are controlled to work by the foot switch. The motor 202 rotates, and the output shaft of the motor 202 drives the frame 3 to rotate through the flange 203, so that the rotating shaft 204 and the hydraulic cylinder 509 are rotated. The bearing seat 201 rotates so as to facilitate detection of different surfaces of the photovoltaic panel on the frame 3 .

Embodiment two

As shown in Figures 1-8 and Figure 10, the difference between the quality inspection device for photovoltaic panel production proposed in this embodiment 2 and the above-mentioned embodiment 1 is that the limit structure 7 includes a limit rod 701, and the right side The second sliding block 604 is slidably provided with a limit rod 701, the limit rod 701 is in conflict with the slide rod 602, a handle 702 is fixed on the limit rod 701, and the limit rod 701 deviates from the first One side of the two sliders 604 is slidably connected to the chute 706 on the frame 3, and the end of the limiting rod 701 away from the second sliding block 604 is T-shaped, and the limiting rod 701 is threaded with a second The knob 705, the second knob 705 passes through the sliding slot 706, and the second knob 705 interferes with the frame 3;

Rotate the second knob 705, threaded connection between the second knob 705 and the limit rod 701, so that the distance between the bottom end of the second knob 705 and the limit rod 701 increases, so that the second knob 705 does not conflict with the frame 3, and the hand Hold the handle 702, pull the handle 702 upward, the handle 702 drives the limit rod 701 to slide upward, so that the limit rod 701 does not conflict with the slide rod 602, and then push the handle 702, so that the limit rod 701 drives the second slider 604 and the frame 3 Sliding, the limit rod 701 and the second knob 705 slide on the chute 706, pull the slide bar 602 to slide with the second slider 604, so that the distance between the two second sliders 604 changes, and the second slider 604 The two connecting rods 605 rotate, the connecting rod 605 and the positioning plate 601 rotate, and at the same time push the positioning plate 601 to move, then release the handle 702, turn the second knob 705 in the opposite direction, the second knob 705 conflicts with the frame 3, and the limit The rod 701 is in conflict with the sliding rod 602, so that the second sliding block 604 and the sliding rod 602 cannot move, so that the positioning plate 601 cannot move, and the positioning plate 601 cooperates with the frame 3 to position the photovoltaic panel in the front and rear direction.

When the present invention is in use, first adjust the position of the positioning plate 601 according to the model of the photovoltaic panel. When adjusting the position of the positioning plate 601 using the structure in Embodiment 1, hold the handle 702, pull the handle 702 upward, and the handle 702 drives the limit The rod 701 slides upwards, so that the limit rod 701 drives the spring 703 to compress, so that the left and right ends of the limit rod 701 do not engage with the first limit hole 603 and the second limit hole 704 respectively, and then push the handle 702 to make the limit The position rod 701 drives the second slide block 604 to slide with the frame 3, pulls the slide bar 602 to slide with the second slide block 604, so that the distance between the two second slide blocks 604 changes, and the two connections on the second slide block 604 The rod 605 rotates, the connecting rod 605 and the positioning plate 601 rotate, and the positioning plate 601 is pushed to move at the same time, then the handle 702 is released, and the spring 703 elongates to drive the limit rod 701 to reset, so that the two ends of the limit rod 701 are respectively in line with the first limit. The positioning hole 603 is engaged with the second limiting hole 704, so that the second slider 604 and the sliding rod 602 cannot move, so that the positioning plate 601 cannot move, and the positioning plate 601 cooperates with the frame 3 to position the front and rear directions of the photovoltaic panel;

When adopting the structure in the second embodiment to adjust the position of the positioning plate 601, turn the second knob 705, and the screw connection between the second knob 705 and the limit rod 701 makes the bottom end of the second knob 705 and the limit rod 701 Increase the distance so that the second knob 705 does not interfere with the frame 3, hold the handle 702, pull the handle 702 upwards, the handle 702 drives the limit rod 701 to slide upward, so that the limit rod 701 does not conflict with the slide rod 602, and then push the handle 702, make the limit rod 701 drive the second slider 604 to slide with the frame 3, the limit rod 701 and the second knob 705 slide on the chute 706, pull the slide rod 602 and the second slide block 604 to slide, so that the two first The distance between the two sliders 604 changes, the two connecting rods 605 on the second slider 604 rotate, the connecting rods 605 and the positioning plate 601 rotate, and at the same time push the positioning plate 601 to move, then release the handle 702, reversely rotate the second The second knob 705, the second knob 705 is in conflict with the frame 3, so that the limit rod 701 is in conflict with the slide bar 602, so that the second slider 604 and the slide bar 602 cannot move, so that the positioning plate 601 cannot move, and the positioning plate 601 cooperates Frame 3 positions the front and rear directions of the photovoltaic panel. The operation in the first embodiment is more convenient, but the stability is not as good as that in the second embodiment, and the adjustment range in the second embodiment is more accurate;

Then turn the first knob 405 so that the first knob 405 does not interfere with the frame 3, then slide the first slider 402, and when the distance between the two first sliders 402 changes, turn the first knob 405 so that the first knob 405 interferes with the frame 3 to limit the position of the first slider 402. During the sliding process of the first slider 402, the support bar 401 and the guide rail 403 slide, so that the support effect of the support bar 401 is better, and the support bar 401 is L Shape, easy to hold up photovoltaic panels, better support for photovoltaic panels, easy to locate photovoltaic panels of different sizes;

During the sliding process of the first slider 402, the guide wheel 505 slides left and right in the guide groove 507, which will not affect the entire transmission. When the manipulator places the photovoltaic panel on the support bar 401, the hydraulic cylinder 509 shrinks, and the hydraulic cylinder 509 drives The bar 502 slides with the guide rod 508, and the drive bar 502 drives the guide wheel 505 to roll in the guide groove 507, and the distance between the guide groove 507 and the axis center of the drive shaft 504 changes in the vertical direction, so that the guide wheel 505 drives the turntable 506 to rotate, The rotation directions of the two turntables 506 are opposite. The turntable 506 drives the drive shaft 504 and the first slider 402 to rotate, and the drive shaft 504 drives the splint 503 to rotate, so that the rubber sleeve 501 on the splint 503 cooperates with the support bar 401 to clamp the photovoltaic panel. In this way, the photovoltaic panel is clamped up and down, and the photovoltaic panel is lifted up, which reduces the friction force during the clamping process of the photovoltaic panel, makes the clamping and fixing effect better, and has a simple structure and flexible operation;

Two foot switches can be installed at the bottom of the housing 1, and the motor 202 and the hydraulic cylinder 509 are controlled to work by the foot switch. The motor 202 rotates, and the output shaft of the motor 202 drives the frame 3 to rotate through the flange 203, so that the rotating shaft 204 and the hydraulic cylinder 509 are rotated. The bearing seat 201 rotates so as to facilitate detection of different surfaces of the photovoltaic panel on the frame 3 .

It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only includes an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (10)

1. A quality detection device for photovoltaic panel production, characterized in that it comprises a housing (1), the housing (1) is provided with a driving structure (2), and the driving structure (2) drives the frame (3) to turn over; The frame (3) is provided with a positioning structure (6) for positioning the photovoltaic panel, and the frame (3) is provided with a limiting structure (7) for fixing the positioning structure (6); the The frame (3) is provided with a support structure (4) for holding up the photovoltaic panel, and the support structure (4) cooperates with the clamping structure (5) on the frame (3) to clamp and fix the photovoltaic panel; The support structure (4) includes two first sliders (402), two first sliders (402) are slid on the frame (3), and the first sliders (402) are fixed with A support bar (401), the section of the support bar (401) is L-shaped, and a guide seat (404) is fixed on the first slider (402); The clamping structure (5) includes a drive shaft (504), the drive shaft (504) is rotated on the guide seat (404), and the drive shaft (504) rotates with the first slider (402) connection, the drive shaft (504) is fixed with a splint (503), the splint (503) is fixed with a rubber sleeve (501), and the end of the drive shaft (504) is fixed with a turntable (506), so The edge of the turntable (506) is provided with a guide wheel (505), the frame (3) is fixed with a hydraulic cylinder (509), and the telescopic end of the hydraulic cylinder (509) is fixed with a drive bar (502), The driving bar (502) is provided with a guide groove (507), and the guide wheel (505) rolls in the guide groove (507). 2. A quality inspection device for photovoltaic panel production according to claim 1, characterized in that: the frame (3) is provided with a guide rail (403), and the support bar (401) is away from the first slider ( 402) is slidingly connected to the guide rail (403). 3. A quality inspection device for photovoltaic panel production according to claim 1, characterized in that: the bottom end of the first slider (402) is screwed with a first knob (405), and the first knob ( 405 ) is in conflict with the frame ( 3 ), and the first slider ( 402 ) cannot move through the first knob ( 405 ) in contact with the frame ( 3 ). 4. A quality inspection device for photovoltaic panel production according to claim 1, characterized in that: a guide rod (508) is fixed on the frame (3), and the driving bar (502) is mounted on the guide rod (508). ) swipe up. 5. The quality inspection device for photovoltaic panel production according to claim 1, characterized in that: the driving structure (2) includes a bearing seat (201) and a motor (202), and the left and right sides of the housing (1) Both sides are respectively fixed with a bearing seat (201) and a motor (202), and a rotating shaft (204) is arranged on the bearing seat (201), and the rotating shaft (204), the output shaft of the motor (202) and the frame (3 ) are fixed with flanges (203) on both sides, and two adjacent flanges (203) are fixed by bolts. 6. The quality inspection device for photovoltaic panel production according to claim 1, characterized in that: the positioning structure (6) includes two second sliders (604), and the frame (3) slides on There are two second sliders (604), the bottom end of the second slider (604) is rotated with a connecting rod (605), and the connecting rod (605) is connected to the positioning plate (601) in rotation, The two connecting rods (605) are connected in rotation and are in an "X" shape. 7. A quality inspection device for photovoltaic panel production according to claim 6, characterized in that: a sliding bar (602) is fixed on one of the second sliders (604), and the sliding bar (602) is connected with another There is a sliding connection between the second sliding blocks (604), and a plurality of first limiting holes (603) are provided on the sliding rod (602). 8. A quality detection device for photovoltaic panel production according to claim 7, characterized in that: the limit structure (7) includes a limit rod (701), and the second slider (604 on the right side ) is slidingly provided with a limit rod (701), the limit rod (701) is engaged with the first limit hole (603), the handle (702) is fixed on the limit rod (701), the limit The side of the positioning rod (701) facing away from the second slider (604) engages with the second limiting hole (704) on the frame (3), and the second limiting hole (704) on the frame (3) Isometric features multiple. 9. A quality detection device for photovoltaic panel production according to claim 8, characterized in that: the end of the limit rod (701) away from the second slider (604) is T-shaped, and the limit rod (701) runs through the spring (703), and the two ends of the spring (703) respectively resist the second slider (604) and the limit rod (701). 10. A quality inspection device for photovoltaic panel production according to claim 7, characterized in that: the limit structure (7) includes a limit rod (701), and the second slider (604 on the right side ) is slidingly provided with a limit rod (701), the limit rod (701) is in conflict with the slide rod (602), the handle (702) is fixed on the limit rod (701), and the limit rod The side of (701) facing away from the second slider (604) is slidingly connected with the slide groove (706) on the frame (3), and the end of the limit rod (701) away from the second slider (604) is in the shape of T-shaped, the second knob (705) is threaded on the limit rod (701), the second knob (705) runs through the chute (706), and the second knob (705) is connected to the frame (3 ) conflicts between.

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