Aluminum foil surface flaw detection device

Abstract

The utility model relates to the technical field of detection devices, and discloses an aluminum foil surface flaw detection device which comprises a detection box body, the door plate is rotationally connected to the detection box body through a rotating part; the through groove is formed in the detection box body; the conveying assembly is arranged on the outer side of the detection box body; the detection assembly is arranged in the detection box body; the aluminum foil sequentially penetrates through the through grooves in the two sides, so that the aluminum foil is conveyed from the through groove close to one end of the lower discharging roller and one end of the upper discharging roller, then the aluminum foil synchronously slides on the fixing plates on the two sides through the toothed plates on the two sides, the toothed plates are meshed with the outer portion of a circular gear, and the circular gear drives the two sets of toothed plates to synchronously move close to each other; and the aluminum foil is centered and limited by the centering device, so that the aluminum foils with different widths are centered and limited, the guide stability of the aluminum foil is improved, the aluminum foil is prevented from shifting, and the detection effect on surface flaws of the aluminum foil is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection device technical field especially relates to aluminium foil surface flaw detection device. BACKGROUND

[0002] Aluminium foil is a kind of hot stamping material that is directly calendered into sheet from metal aluminium, and its appearance is generally silver-white, with metallic luster, smooth surface, soft texture and high ductility, and the luster can provide good visual effect in packaging and other fields, attracting the attention of consumers, and the aluminium foil must be subjected to pressure resistance detection, temperature resistance detection, conductivity detection and appearance detection before leaving factory, and the aluminium foil surface flaw detection device is a professional equipment for detecting whether the aluminium foil surface has flaws (such as holes, scratches, oil stains and wrinkles), and plays a vital role in the production process of aluminium foil.

[0003] In the prior art, the existing aluminium foil surface flaw detection device is inconvenient to centrally guide the two sides of the aluminium foil during the detection process, and in the process of continuous transmission of the aluminium foil, the aluminium foil is easily deviated to different degrees due to slight uneven tension of the aluminium foil itself, slight vibration of the transmission equipment or interference of external air flow and other factors, so that the image acquisition system of the detection device cannot be accurately focused on the surface of the aluminium foil, and the collected images are deviated and incomplete, which seriously affects the detection effect of the aluminium foil surface flaws and reduces the accuracy and reliability of the detection. UTILITY MODEL CONTENTS

[0004] In order to overcome the problem that the aluminium foil is easily deviated to different degrees due to slight uneven tension of the aluminium foil itself, slight vibration of the transmission equipment or interference of external air flow and other factors in the process of continuous transmission of the aluminium foil, and affects the detection effect of the aluminium foil surface flaws.

[0005] The technical scheme of the utility model is as follows: an aluminium foil surface flaw detection device, comprising a detection box body, a door plate rotatably connected to the detection box body through a rotating piece, a through slot opened in the detection box body, a conveying assembly arranged outside the detection box body, a detection assembly arranged inside the detection box body, a fixing frame fixedly connected inside the detection box body, a fixing plate fixedly connected to the top of the fixing frame, a circular gear rotatably connected inside the fixing plate, a toothed plate slidingly connected inside the fixing plate, a moving plate fixedly connected to the top of the toothed plate, a support seat fixedly connected to the inner side of the moving plate, a second rotating roller rotatably connected inside the support seat, a moving frame slidingly connected inside the moving plate, and a first rotating roller rotatably connected inside the moving frame, the aluminium foil is conveyed by the conveying assembly, and the surface of the aluminium foil is detected by the detection assembly, the toothed plate is engaged outside the circular gear, and the moving plate is slidingly connected inside the fixing plate.

[0006] As preferred, the through grooves are arranged in two groups, and the two groups of through grooves are symmetrically arranged on the detection box.

[0007] As preferred, the fixing plate is provided with a groove corresponding to the position of the tooth plate, and the tooth plate slides in the groove of the fixing plate.

[0008] As preferred, the inside of the detection box is fixedly connected with a hydraulic telescopic rod, the output end of the hydraulic telescopic rod is fixedly connected with a connecting rod, the connecting rod is fixedly connected to the inner side of the tooth plate, and the inside of the moving plate is rotatably connected with a third threaded rod which is threadedly connected to the inside of the moving frame.

[0009] As preferred, the conveying assembly comprises a first fixed frame fixedly connected to one side of the detection box, a first motor fixedly connected to one side of the first fixed frame, a feeding lower roller rotatably connected to the inside of the first fixed frame, a first sliding block slidingly connected to the inside of the first fixed frame, a feeding upper roller rotatably connected to the inside of the first sliding block, a first threaded rod rotatably connected to the inside of the first fixed frame, a second fixed frame fixedly connected to the side of the detection box away from the first fixed frame, a second motor fixedly connected to one side of the second fixed frame, a discharging lower roller rotatably connected to the inside of the second fixed frame, a second sliding block slidingly connected to the inside of the second fixed frame, a discharging upper roller rotatably connected to the inside of the second sliding block, a second threaded rod rotatably connected to the inside of the second fixed frame, the feeding lower roller is fixedly connected to the output end of the first motor, the first sliding block is threadedly connected to the outside of the first threaded rod, the discharging lower roller is fixedly connected to the output end of the second motor, and the second sliding block is threadedly connected to the outside of the second threaded rod.

[0010] As preferred, the first fixed frame is provided with a groove corresponding to the position of the first sliding block, and the first sliding block slides in the groove of the first fixed frame, and the second fixed frame is provided with a groove corresponding to the position of the second sliding block, and the second sliding block slides in the groove of the second fixed frame.

[0011] As preferred, the detection assembly comprises a mounting plate fixedly connected to the inner wall of the detection box, a fixed frame fixedly connected to the bottom of the mounting plate, a third motor fixedly connected to the mounting plate, a first worm fixedly connected to the output end of the third motor, a rotating sleeve rotatably connected to the inside of the fixed frame, a first worm wheel fixedly connected to the rotating sleeve, a U-shaped frame fixedly connected to the bottom of the rotating sleeve, a light pole rotatably connected to the inside of the U-shaped frame, a first bevel gear fixedly connected to the light pole, a fixed rod fixedly connected to the light pole, a long plate fixedly connected to the bottom of the fixed rod, an industrial high-definition camera fixedly connected to the bottom of the long plate, an LED lamp fixedly connected to the bottom of the long plate, a fourth motor fixedly connected to the mounting plate, a second worm fixedly connected to the output end of the fourth motor, a rotating rod rotatably connected to the inside of the rotating sleeve, a second worm wheel fixedly connected to the rotating rod, a second bevel gear fixedly connected to the second worm wheel, the first worm is rotatably connected to the mounting plate, the second worm is rotatably connected to the mounting plate, the rotating rod is rotatably connected to the inside of the moving plate, the second worm is engaged outside the second worm wheel, the first worm is engaged outside the first worm wheel, and the first bevel gear is engaged outside the second bevel gear.

[0012] As preferred, the mounting plate is provided with a corresponding semicircular block at the corresponding position of the first worm, and the first worm is rotatably connected to the inside of the semicircular block of the mounting plate.

[0013] The utility model discloses beneficial effects:

[0014] 1. The aluminum foil is sequentially threaded through the through slot on both sides, which transports the aluminum foil from the through slot close to the discharge lower roller and the discharge upper roller, and then the two sides of the toothed plate are synchronously slid on the fixed plate on both sides, the toothed plate is engaged outside the circular gear, the two groups of toothed plates are synchronously moved to each other, the aluminum foil is centrally positioned, the aluminum foil of different widths is centrally positioned, the guiding stability of the aluminum foil is improved, the aluminum foil is prevented from deviating, and the detection effect of the surface defect of the aluminum foil is improved.

[0015] 2. The first motor and the second motor are started at the same time to rotate in the same direction, the aluminum foil is transported, the transmission of aluminum foil of different widths and thicknesses is adapted, and the practicability of the device is improved in the next process.

[0016] 3, the light emitted by the opening LED lamp is transmitted to the aluminum foil, the surface defects of the aluminum foil are shown, the surface defects of the aluminum foil are identified through the industrial high-definition camera, the defects are processed through the image processing system, and the defect detection is realized, and the second bevel gear and the U-shaped frame are synchronously and directionally rotated, the angle of the U-shaped frame and the light rod is adjusted, the inclination angle of the fixing rod is adjusted, the long plate is adjusted at any angle, the angle of the industrial high-definition camera and the LED lamp is adjusted according to the requirement, and the adaptability is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is an embodiment structure schematic view of the aluminum foil surface defect detection device of the utility model;

[0018] Figure 2 It is a structure schematic view of the utility model conveying assembly;

[0019] Figure 3 It is a structure schematic view of the utility model discharging lower roller and discharging upper roller;

[0020] Figure 4 It is a structure schematic view of the utility model fixed plate;

[0021] Figure 5 It is a structure schematic view of the utility model circular gear and toothed plate;

[0022] Figure 6 It is a structure schematic view of the utility model first rotating roller and second rotating roller;

[0023] Figure 7 It is a structure schematic view of the utility model detection assembly;

[0024] Figure 8 It is a structure schematic view of the utility model rotating sleeve and rotating rod.

[0025] Explanation of reference signs: 1, detection box; 21, first fixed frame; 22, first motor; 23, feeding lower roller; 24, first sliding block; 25, first threaded rod; 26, feeding upper roller; 27, second fixed frame; 28, second motor; 29, discharging lower roller; 210, second sliding block; 211, second threaded rod; 212, discharging upper roller; 31, fixed frame; 32, hydraulic telescopic rod; 33, connecting rod; 34, fixed plate; 35, circular gear; 36, toothed plate; 37, moving plate; 38, moving frame; 39, third threaded rod; 310, first rotating roller; 311, support seat; 312, second rotating roller; 41, mounting plate; 42, fixed frame; 43, third motor; 44, first worm; 45, rotating sleeve; 46, first worm wheel; 47, U-shaped frame; 48, light pole; 49, first bevel gear; 410, fixed rod; 411, long plate; 412, industrial high-definition camera; 413, fourth motor; 414, second worm; 415, rotating rod; 416, second worm wheel; 417, second bevel gear; 418, LED lamp; 4, door plate; 5, through slot. DETAILED DESCRIPTION

[0026] The utility model will be further explained in connection with the drawings and examples.

[0027] Please refer to Figure 1 - Figure 8The utility model provides a kind of embodiment: aluminium foil surface flaw detection device, including detection box 1, still including the door plate 4 being rotatably connected on detection box 1 by rotating part, the through slot 5 being opened in detection box 1, the conveying assembly being set at the outside of detection box 1, the detection assembly being set in the inside of detection box 1, the fixed frame 31 being fixedly connected in the inside of detection box 1, the fixed plate 34 being fixedly connected in the top of fixed frame 31, the circular gear 35 being rotatably connected in the inside of fixed plate 34, the toothed plate 36 being slidingly connected in the inside of fixed plate 34, the moving plate 37 being fixedly connected in the top of toothed plate 36, the support seat 311 being fixedly connected in the inside of moving plate 37, the second rotating roller 312 being rotatably connected in the inside of support seat 311, the moving frame 38 being slidingly connected in the inside of moving plate 37, the first rotating roller 310 being rotatably connected in the inside of moving frame 38, aluminium foil is conveyed by conveying assembly, aluminium foil surface is detected by detection assembly, toothed plate 36 is engaged in the outside of circular gear 35, moving plate 37 is slidingly connected in the inside of fixed plate 34, by making aluminium foil pass through both sides' through slot 5 in turn, it is conveyed from the through slot 5 of one end close to discharge lower roller 29 and discharge upper roller 212, then both sides' toothed plate 36 is synchronously slid on both sides' fixed plate 34, by toothed plate 36 engagement in the outside of circular gear 35, it drives two sets of toothed plate 36 to be mutually close to the movement of synchronization, it is centrally positioned to aluminium foil, so that the aluminium foil of different width is centrally positioned, so that it improves the guiding stability of aluminium foil, prevents aluminium foil from deviating, improves the detection effect of aluminium foil surface flaw, conveying assembly is rotated in same direction by simultaneously starting first motor 22 and second motor 28, so that it is conveyed to aluminium foil, so that it is adapted to the transmission of aluminium foil of different width and thickness, so that it enters next step process to improve the practicability of device, the light transmission of LED lamp 418 is transmitted to aluminium foil by opening detection assembly, so that aluminium foil surface flaw appears, aluminium foil surface flaw is identified by industrial high-definition camera 412, and flaw is handled by image processing system, and then flaw detection is realized, and by the synchronous rotation of second bevel gear 417 and U-shaped frame 47 in same direction, it adjusts the angle of U-shaped frame 47 and light rod 48, then by adjusting the inclination angle of fixed rod 410, long plate 411 is adjusted at any angle, so that it is convenient to adjust the angle of industrial high-definition camera 412 and LED lamp 418 according to demand, improve adaptability.

[0028] Please refer to Figure 4 - Figure 6In the embodiment, the through slot 5 is provided with two groups, and the two groups of through slots 5 are symmetrically distributed on the detection box 1, so that the aluminum foil can pass through conveniently, the aluminum foil can be conveniently conveyed, the practicability of the device is improved, the fixed plate 34 is provided with a matched groove at the corresponding position of the tooth plate 36, the tooth plate 36 slides in the groove of the fixed plate 34, the tooth plate 36 is limited, the sliding stability of the tooth plate 36 is improved, the practicability of the device is improved, the inside of the detection box 1 is fixedly connected with the hydraulic telescopic rod 32, the output end of the hydraulic telescopic rod 32 is fixedly connected with the connecting rod 33, the connecting rod 33 is fixedly connected to the inner side of the tooth plate 36, the inside of the moving plate 37 is rotatably connected with the third threaded rod 39, and the third threaded rod 39 is screwedly connected in the inside of the moving frame 38. The aluminum foil is sequentially passed through the through slots 5 on the two sides, the aluminum foil is conveyed from the through slot 5 near one end of the discharge lower roller 29 and the discharge upper roller 212, then the tooth plates 36 on the two sides slide on the fixed plates 34 on the two sides synchronously, the tooth plates 36 are engaged outside the circular gear 35, the two groups of tooth plates 36 are driven to move synchronously and approach each other, the aluminum foil is centrally limited, the aluminum foil of different widths is centrally limited, the guiding stability of the aluminum foil is improved, the aluminum foil is prevented from deviating, and the detection effect of the surface defects of the aluminum foil is improved.

[0029] Please refer to Figure 1 - Figure 3In the embodiment, the conveying assembly comprises a first fixed frame 21 fixedly connected to one side of the detection box 1, a first motor 22 fixedly connected to one side of the first fixed frame 21, a feeding lower roller 23 rotatably connected to the inside of the first fixed frame 21, a first sliding block 24 slidably connected to the inside of the first fixed frame 21, a feeding upper roller 26 rotatably connected to the inside of the first sliding block 24, a first threaded rod 25 rotatably connected to the inside of the first fixed frame 21, a second fixed frame 27 fixedly connected to the side of the detection box 1 away from the first fixed frame 21, a second motor 28 fixedly connected to one side of the second fixed frame 27, a discharging lower roller 29 rotatably connected to the inside of the second fixed frame 27, a second sliding block 210 slidably connected to the inside of the second fixed frame 27, a discharging upper roller 212 rotatably connected to the inside of the second sliding block 210, a second threaded rod 211 rotatably connected to the inside of the second fixed frame 27, the feeding lower roller 23 is fixedly connected to the output end of the first motor 22, the first sliding block 24 is threadedly connected to the outside of the first threaded rod 25, the discharging lower roller 29 is fixedly connected to the output end of the second motor 28, the second sliding block 210 is threadedly connected to the outside of the second threaded rod 211, the conveying assembly is rotated in the same direction by simultaneously starting the first motor 22 and the second motor 28, so as to convey the aluminum foil, thereby adapting to the transmission of aluminum foils of different widths and thicknesses, and improving the practicability of the device. The first fixed frame 21 is provided with a groove corresponding to the position of the first sliding block 24, the first sliding block 24 slides in the groove of the first fixed frame 21, and the second fixed frame 27 is provided with a groove corresponding to the position of the second sliding block 210, the second sliding block 210 slides in the groove of the second fixed frame 27, so as to limit the feeding upper roller 26 and the discharging upper roller 212, thereby improving the conveying stability of aluminum foils of different thicknesses.

[0030] Please refer to Figure 7 - Figure 8In the embodiment, the detection assembly comprises a mounting plate 41 fixedly connected to the inner wall of the detection box 1, a fixed frame 42 fixedly connected to the bottom of the mounting plate 41, a third motor 43 fixedly connected to the mounting plate 41, a first worm 44 fixedly connected to the output end of the third motor 43, a rotating sleeve 45 rotatably connected to the inside of the fixed frame 42, a first worm wheel 46 fixedly connected to the rotating sleeve 45, a U-shaped frame 47 fixedly connected to the bottom of the rotating sleeve 45, a light rod 48 rotatably connected to the inside of the U-shaped frame 47, a first bevel gear 49 fixedly connected to the light rod 48, a fixed rod 410 fixedly connected to the light rod 48, a long plate 411 fixedly connected to the bottom of the fixed rod 410, an industrial high-definition camera 412 fixedly connected to the bottom of the long plate 411, an LED lamp 418 fixedly connected to the bottom of the long plate 411, a fourth motor 413 fixedly connected to the mounting plate 41, a second worm 414 fixedly connected to the output end of the fourth motor 413, a rotating rod 415 rotatably connected to the inside of the rotating sleeve 45, a second worm wheel 416 fixedly connected to the rotating rod 415, a second bevel gear 417 fixedly connected to the second worm wheel 416, the first worm 44 is rotatably connected to the mounting plate 41, the second worm 414 is rotatably connected to the mounting plate 41, the rotating rod 415 is rotatably connected to the inside of the moving plate 37, the second worm 414 is engaged outside the second worm wheel 416, the first worm 44 is engaged outside the first worm wheel 46, the first bevel gear 49 is engaged outside the second bevel gear 417, the detection assembly transmits light emitted by the LED lamp 418 to the aluminum foil to make the surface defects of the aluminum foil appear, recognizes the surface defects of the aluminum foil through the industrial high-definition camera 412, processes the defects through the image processing system, and realizes defect detection, and the second bevel gear 417 and the U-shaped frame 47 are synchronously and directionally rotated to adjust the angle of the U-shaped frame 47 and the light rod 48, and then the inclination angle of the fixed rod 410 is adjusted to adjust the long plate 411 at any angle, so that the angles of the industrial high-definition camera 412 and the LED lamp 418 can be adjusted according to the needs, the adaptability is improved, the mounting plate 41 is provided with a matching semicircle block at the corresponding position of the first worm 44, the first worm 44 is rotatably connected to the inside of the semicircle block of the mounting plate 41, and the mounting plate 41 is provided with a matching semicircle block at the corresponding position of the second worm 414, the second worm 414 is rotatably connected to the inside of the semicircle block of the mounting plate 41, so that the rotating stability of the first worm 44 and the second worm 414 is improved, and the practicability of the device is improved.

[0031] In the work, by the aluminum foil through the two sides of the slot 5 in turn, so that it will be transported from the slot 5 near the discharge lower roller 29 and discharge upper roller 212 one end, then through the telescopic hydraulic telescopic rod 32, so that it through the connecting rod 33 drive two sides of the tooth plate 36 synchronous movement, again through the tooth plate 36 meshing in the external of the circular gear 35, so that it drive two groups of tooth plate 36 synchronous mutual close movement, make it to the aluminum foil for the center limiting, make it into the next step of the process, according to the thickness of the aluminum foil, make it rotate first threaded rod 25, second threaded rod 211 and third threaded rod 39 in turn, make it adjust the height position of the feeding roller 26, discharge upper roller 212 and moving frame 38, through the first rotating roller 310 and the second rotating roller 312 with the upper and lower surface of the aluminum foil, make it improve the stability of the aluminum foil conveying, through the same direction rotation of the first motor 22 and the second motor 28, make it transport the aluminum foil, so as to adapt to different width and thickness of the aluminum foil transmission, in this process, through the light transmission of the LED lamp 418 to the aluminum foil, make the aluminum foil surface defect appear, through the industrial high-definition camera 412 to identify the aluminum foil surface defect, and through the image processing system to handle the defect, and then realize the defect detection, again through the synchronous start of the third motor 43 and the fourth motor 413, the third motor 43 drives the first worm 44 to rotate, so that it through the first worm gear 46 meshing in the external of the first worm 44, make it drive the rotating sleeve 45 in the internal of the fixed frame 42 to rotate, make it rotate the U-shaped frame 47, at the same time, the fourth motor 413 drives the second worm 414 to rotate, the second worm gear 416 and the second worm 414 are engaged, so that it drives the rotating rod 415 in the internal of the rotating sleeve 45 and the U-shaped frame 47 to rotate in the same direction with the U-shaped frame 47, so that it drives the second bevel gear 417 and the U-shaped frame 47 to rotate in the same direction, at this time, through the mutual meshing of the first bevel gear 49 and the second bevel gear 417, make it adjust the angle of the U-shaped frame 47 and the light pole 48, again through the separate start of the fourth motor 413, make it adjust the inclination angle of the fixed rod 410, so as to adjust the long plate 411 at any angle, make it convenient to adjust the angle of the industrial high-definition camera 412 and the LED lamp 418 according to the demand, improve the adaptability.

[0032] Through the above steps, by passing the aluminum foil through the through slot 5 on both sides in turn, it will transport the aluminum foil from the through slot 5 near the discharge lower roller 29 and the discharge upper roller 212 one end, and then through the two sides The toothed plate 36 synchronously slides on the fixed plate 34 on both sides, engages the toothed plate 36 on the outside of the circular gear 35, so that it drives the two sets of toothed plates 36 to move synchronously and approach each other, which centrally limits the aluminum foil, so as to centrally limit the aluminum foil of different widths, improve the guiding stability of the aluminum foil, prevent the aluminum foil from shifting, and improve the detection effect of the surface defects of the aluminum foil. The problem that in the process of continuous transmission of the aluminum foil, it is easy to cause different degrees of deviation due to slight uneven tension of itself, slight vibration of the transmission equipment, or external air flow and other factors, which affects the detection effect of the surface defects of the aluminum foil.

Claims

1. An aluminum foil surface defect detection device, comprising a detection box body (1), characterized in that: Also include the door plate (4) is rotatably connected on the detection box (1) through the rotating piece, the through slot (5) is set on the detection box (1), the conveying assembly is set on the outside of the detection box (1), the detection assembly is set in the detection box (1), the fixed frame (31) is fixedly connected in the detection box (1), the fixed plate (34) is fixedly connected on the top of the fixed frame (31), the circular gear (35) is rotatably connected in the fixed plate (34), the toothed plate (36) is slidably connected in the fixed plate (34), the moving plate (37) is fixedly connected on the top of the toothed plate (36), the support seat (311) is fixedly connected in the inner side of the moving plate (37), the second rotating roller (312) is rotatably connected in the support seat (311), the moving frame (38) is slidably connected in the moving plate (37), the first rotating roller (310) is rotatably connected in the moving frame (38), the aluminum foil is conveyed through the conveying assembly, the surface of the aluminum foil is detected through the detection assembly, the toothed plate (36) is engaged outside the circular gear (35), the moving plate (37) is slidably connected in the fixed plate (34).

2. The aluminum foil surface defect detection apparatus according to claim 1, characterized by: The through slot (5) is provided with two groups, and the two groups of through slots (5) are symmetrically distributed on the detection box (1).

3. The aluminum foil surface defect detection apparatus according to claim 1, characterized by: The fixed plate (34) is provided with a corresponding groove at the corresponding position of the toothed plate (36), and the toothed plate (36) slides in the groove of the fixed plate (34).

4. The aluminum foil surface defect detection apparatus according to claim 1, characterized by: The inside of the detection box (1) is fixedly connected with a hydraulic telescopic rod (32), the output end of the hydraulic telescopic rod (32) is fixedly connected with a connecting rod (33), the connecting rod (33) is fixedly connected with the inner side of the toothed plate (36), the inside of the moving plate (37) is rotatably connected with a third threaded rod (39), and the third threaded rod (39) is screwedly connected with the inside of the moving frame (38).

5. The aluminum foil surface defect detection apparatus according to claim 1, characterized by: The conveying assembly comprises a first fixed frame (21) fixedly connected to one side of the detection box (1), a first motor (22) fixedly connected to one side of the first fixed frame (21), a feeding lower roller (23) rotatably connected to the inside of the first fixed frame (21), a first sliding block (24) slidably connected to the inside of the first fixed frame (21), a feeding upper roller (26) rotatably connected to the inside of the first sliding block (24), a first threaded rod (25) rotatably connected to the inside of the first fixed frame (21), a second fixed frame (27) fixedly connected to the side, away from the first fixed frame (21), of the detection box (1), a second motor (28) fixedly connected to one side of the second fixed frame (27), a discharging lower roller (29) rotatably connected to the inside of the second fixed frame (27), a second sliding block (210) slidably connected to the inside of the second fixed frame (27), a discharging upper roller (212) rotatably connected to the inside of the second sliding block (210), and a second threaded rod (211) rotatably connected to the inside of the second fixed frame (27), the feeding lower roller (23) is fixedly connected to the output end of the first motor (22), the first sliding block (24) is threadedly connected to the outside of the first threaded rod (25), the discharging lower roller (29) is fixedly connected to the output end of the second motor (28), and the second sliding block (210) is threadedly connected to the outside of the second threaded rod (211).

6. The apparatus for detecting surface flaws of aluminum foil according to claim 5, wherein: The first fixed frame (21) is provided with a groove corresponding in position to the first sliding block (24), the first sliding block (24) slides in the groove of the first fixed frame (21), and the second fixed frame (27) is provided with a groove corresponding in position to the second sliding block (210), and the second sliding block (210) slides in the groove of the second fixed frame (27).

7. The aluminum foil surface defect detection apparatus according to claim 1, characterized by: The detection assembly comprises a mounting plate (41) fixedly connected to the inner wall of the detection box (1), a fixed frame (42) fixedly connected to the bottom of the mounting plate (41), a third motor (43) fixedly connected to the mounting plate (41), a first worm (44) fixedly connected to the output end of the third motor (43), a rotating sleeve (45) rotatably connected to the inside of the fixed frame (42), a first worm wheel (46) fixedly connected to the rotating sleeve (45), a U-shaped frame (47) fixedly connected to the bottom of the rotating sleeve (45), a light rod (48) rotatably connected to the inside of the U-shaped frame (47), a first bevel gear (49) fixedly connected to the light rod (48), a fixed rod (410) fixedly connected to the light rod (48), a long plate (411) fixedly connected to the bottom of the fixed rod (410), an industrial high-definition camera (412) fixedly connected to the bottom of the long plate (411), an LED lamp (418) fixedly connected to the bottom of the long plate (411), a fourth motor (413) fixedly connected to the mounting plate (41), a second worm (414) fixedly connected to the output end of the fourth motor (413), a rotating rod (415) rotatably connected to the inside of the rotating sleeve (45), a second worm wheel (416) fixedly connected to the rotating rod (415), and a second bevel gear (417) fixedly connected to the second worm wheel (416), wherein the first worm (44) is rotatably connected to the mounting plate (41), the second worm (414) is rotatably connected to the mounting plate (41), the rotating rod (415) is rotatably connected to the inside of the moving plate (37), the second worm (414) is engaged with the outside of the second worm wheel (416), the first worm (44) is engaged with the outside of the first worm wheel (46), and the first bevel gear (49) is engaged with the outside of the second bevel gear (417).

8. The apparatus for detecting surface flaws of aluminum foil according to claim 7, wherein: The mounting plate (41) is provided with a corresponding semicircular block at the corresponding position of the first worm (44), the first worm (44) is rotatably connected to the inside of the semicircular block of the mounting plate (41), and the mounting plate (41) is provided with a corresponding semicircular block at the corresponding position of the second worm (414), and the second worm (414) is rotatably connected to the inside of the semicircular block of the mounting plate (41).

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