Device for inspecting lens appearance defects

Abstract

The present invention discloses a lens appearance defect inspection device, which relates to the field of lens detection technology, including a workbench and a flip assembly, wherein a lampshade is arranged at one end of the top of the workbench, and a bracket is fixed in the middle of one side of the workbench, and an industrial camera is arranged at the upper end of the bracket, and the middle of the workbench is rotatably connected with a first damping shaft, and the flip assembly is arranged on the upper part of the first damping shaft. After the industrial camera takes a picture of the lens, the present invention can also start the lifting motor, so that the lifting seat moves up under the guidance of the fixed frame, so that after the clamping assembly clamps the lens, the lens can be moved at the same time, and as the lifting seat continues to move up, the driving gear will contact the tooth plate, which will cause the driving gear to rotate half a circle, and during this process, the first one-way bearing is in a locked state, so that the driving gear and the second damping shaft are transmitted, which will automatically drive the lens to perform a flip operation.

Description

Technical Field

[0001] The present invention relates to the technical field of lens detection, and in particular to a device for inspecting lens appearance defects. Background Art

[0002] Lens appearance defect inspection refers to a comprehensive inspection of the lens surface to ensure that it meets quality standards and usage requirements. Lenses are an important part of optical products, and their quality directly affects product performance and user experience. Appearance defect inspection mainly includes lens surface flaws and scratches.

[0003] Currently, when inspecting the appearance defects of lenses, the lens is usually illuminated with a light source first, and then photographed and inspected using manual visual inspection or industrial cameras. Manual visual inspection is inefficient and is greatly affected by human factors. It is easy to get tired after working for a long time, and industrial cameras usually only capture images of a single side of the lens. Therefore, when there are defects or scratches on the top or bottom surface of the lens, it is not easy to quickly determine which side the scratch is located on.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a lens appearance defect inspection device is proposed. Summary of the invention

[0005] The object of the present invention is to provide a lens appearance defect inspection device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a lens appearance defect inspection device, comprising a workbench and a flip assembly, a lampshade is arranged at one end of the top of the workbench, and a bracket is fixed in the middle of one side of the workbench, and an industrial camera is arranged at the upper end of the bracket, a first damping shaft is rotatably connected to the middle of the workbench, and the flip assembly is arranged on the upper part of the first damping shaft, the flip assembly comprises a fixed frame, a lifting motor, a screw, a lifting seat, a lifting sleeve, a second damping shaft, a first one-way bearing, a driving gear and a toothed plate, a fixed frame is arranged on the top of the first damping shaft, and a lifting motor is arranged on the top of the fixed frame, a screw is connected to the bottom of the lifting motor, and the outer side of the lower end of the screw is threadedly connected to the lifting seat, the outer side of the lower end of the lifting seat is slidably connected to the lifting sleeve, and the outer side of the lifting sleeve is rotatably connected to the second damping shaft, a first one-way bearing is arranged on the outer side of one end of the second damping shaft, and the outer side of the first one-way bearing is connected to the driving gear, and a toothed plate is fixed to the bottom surface of the upper end of the bracket.

[0007] Furthermore, the end of the lifting sleeve is connected to a clamping assembly, and the clamping assembly includes a support block and a compression spring. A support block is provided at the bottom of the lifting sleeve, and the support block is fixedly connected to the workbench. The top of the lifting sleeve is connected to a compression spring, and the compression spring fits tightly with the lifting seat.

[0008] Furthermore, the clamping assembly also includes a limit plate and a guide sleeve, the limit plate is fixed to the outer side of the lifting seat, and the end of the limit plate is slidably connected to the guide sleeve, and the guide sleeve is slidably connected to the second damping shaft.

[0009] Furthermore, the clamping assembly also includes a sliding sleeve, a connecting rod and a clamping plate. The sliding sleeve is sleeved on the outer side of the middle part of the second damping shaft, and the two sides of the sliding sleeve are rotatably connected to the connecting rod, and the end of the connecting rod is rotatably connected to the clamping plate.

[0010] Furthermore, the clamping assembly also includes a guide rod, a positioning spring and a support block. The guide rod is slidably connected to the inside of the clamping plate, and the guide rod is fixedly connected to the second damping shaft. The end of the guide rod is sleeved with a positioning spring. A support block is provided on the middle bottom surface of the guide rod, and the support block is fixedly connected to the workbench.

[0011] Furthermore, a servo motor is arranged at the bottom of the workbench, and the output shaft of the servo motor is connected to a synchronous shaft, a second one-way bearing is arranged on the outer side of the middle part of the synchronous shaft, and a driving gear is arranged on the outer side of the second one-way bearing, a driven gear is meshed with the top of the driving gear, and the driven gear is fixedly connected to the first damping shaft.

[0012] Furthermore, an adjustment component is provided at one end of the synchronization shaft, a cylinder is placed on the top of the workbench, and a baffle is connected to one end of the cylinder.

[0013] Furthermore, the adjustment assembly includes a third one-way bearing, a bevel gear and a bevel gear ring. The end of the synchronous shaft is provided with a third one-way bearing, and a bevel gear is arranged on the outside of the third one-way bearing. The top of the bevel gear is meshed with a bevel gear ring, and the bevel gear ring is rotatably connected to the workbench.

[0014] Furthermore, the adjustment assembly also includes a pulley, a guide ring, a fixed rod and a light board. A pulley is arranged on the inner side of the bevel gear ring, and the bottom of the pulley is connected to the guide ring. A fixed rod is arranged on the top of the outer end of the guide ring, and the light board is fixed on the top of the fixed rod.

[0015] Furthermore, the adjustment assembly also includes a ball joint column, a support and a return spring. A ball joint column is arranged in the center of the bottom of the lamp board, and a support is sleeved on the outer side of the lower end of the ball joint column. The support is fixedly connected to the workbench, and a return spring is fixed in the middle of the top surface of the support, and the return spring is fixedly connected to the light board.

[0016] The present invention provides a lens appearance defect inspection device, which has the following beneficial effects: 1. After the industrial camera of the present invention takes a picture of the lens, it can also start the lifting motor, so that the lifting seat moves up under the guidance of the fixed frame. Therefore, after the clamping assembly clamps the lens, the lens can be moved at the same time, and as the lifting seat continues to move up, the driving gear will contact the toothed plate, which will cause the driving gear to rotate half a circle. During this process, the first one-way bearing is in a locked state, so that the driving gear and the second damping shaft are transmitted, and the lens is automatically driven to perform a flip operation. When the lifting seat moves down, the first one-way bearing will be in an active state due to the reverse rotation of the driving gear, and will not be transmitted. At the same time, the damping performance of the second damping shaft is used to enhance the stability of the lens after flipping. Therefore, in the process of flipping the lens, it can automatically move up to avoid, leaving a certain flipping space to avoid jamming during flipping. After flipping, when the industrial camera takes a picture of the lens again, it only needs to compare the size change of the defect. Since the near is large and the far is small, it can quickly check which side the scratch defect is located, which is conducive to enhancing the accuracy of equipment inspection.

[0017] 2. When clamping the lens, the present invention only needs to drive the lifting motor to rotate the screw rod so that the lifting seat moves to the bottom of the screw rod, thereby compressing the compression spring, and the limit plate will also squeeze the guide sleeve, so that it slides along the outer side of the second damping shaft and squeezes the sliding sleeve. Therefore, the clamping plate can be driven to separate to both sides along the guide rod through the connecting rod, so that the external conveying equipment can convey the lens to between the clamping plates. After that, the lifting motor drives the screw rod to rotate in the opposite direction, and the compression spring will tighten the lifting seat and the lifting sleeve. The limit plate will avoid the guide sleeve and release the restriction on the sliding sleeve. Therefore, the positioning spring will push the clamping plate under the limit of the guide rod to automatically clamp the workpiece. When transporting the lens later, it only needs to move the lens up a short distance first, and then start the servo motor to drive the synchronous shaft to rotate. The first damping shaft can be driven to rotate through the second one-way bearing, the driving gear and the driven gear, so as to transport the lens. At the same time, multiple clamping components are provided, so the functions of loading and unloading can be realized at the same time, which is beneficial to improve the efficiency of detection.

[0018] 3. In the present invention, since the self-locking directions of the third one-way bearing are opposite to those of the second one-way bearing, the working states of the active gear and the bevel gear can be controlled by the different rotation directions of the synchronization shaft. In addition, during the shooting and detection process, when the second one-way bearing drives the bevel gear to work, due to the large friction resistance between the first damping shaft and the workbench, the first damping shaft will not rotate, thereby avoiding interference with the stability during the detection process. At this time, the bevel gear ring will drive the pulley to squeeze the guide ring, and the reset spring will be fixedly connected to the lamp board and the support to avoid the self-rotation of the ball joint column. Therefore, the lamp board will be deflected at an angle with the bottom of the ball joint column as the center, so that the angle of the light source can be automatically adjusted during detection. By changing the angle of the light source, when detecting scratches on the lens surface, the refraction at the scratches will be more obvious, thereby further improving the accuracy of the detection. When the pulley moves to the groove of the guide ring, the lamp board can be automatically returned to the center under the action of the reset spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall three-dimensional structure of a lens appearance defect inspection device of the present invention; Figure 2 It is a schematic diagram of a three-dimensional structure of a flip assembly of a lens appearance defect inspection device according to the present invention; Figure 3 It is a schematic diagram of the three-dimensional structure of a clamping assembly of a lens appearance defect inspection device of the present invention; Figure 4 It is a schematic diagram of a top view of a working table of a lens appearance defect inspection device of the present invention; Figure 5 It is a schematic diagram of the overall bottom view structure of a lens appearance defect inspection device of the present invention; Figure 6 It is a schematic diagram of the three-dimensional structure of an adjustment component of a lens appearance defect inspection device of the present invention; Figure 7 The present invention is a schematic diagram of the three-dimensional structure of a guide bar of a lens appearance defect inspection device.

[0020] In the figure: 1, workbench; 2, lampshade; 3, bracket; 4, industrial camera; 5, first damping shaft; 6, flip assembly; 601, fixed frame; 602, lifting motor; 603, screw; 604, lifting seat; 605, lifting sleeve; 606, second damping shaft; 607, first one-way bearing; 608, driving gear; 609, tooth plate; 7, clamping assembly; 701, support block; 702, compression spring; 703, limit plate; 704, guide sleeve; 705, sliding sleeve; 706, connecting rod; 707, Clamp; 708, guide rod; 709, positioning spring; 710, support block; 8, servo motor; 9, synchronous shaft; 10, second one-way bearing; 11, driving gear; 12, driven gear; 13, adjustment assembly; 1301, third one-way bearing; 1302, bevel gear; 1303, bevel gear ring; 1304, pulley; 1305, guide ring; 1306, fixing rod; 1307, lamp board; 1308, ball joint column; 1309, support; 1310, reset spring; 14, cylinder; 15, baffle. DETAILED DESCRIPTION

[0021] See also Figures 1 to 7 The present invention provides a technical solution: a lens appearance defect inspection device, comprising a workbench 1 and a flip assembly 6, a lampshade 2 is arranged at one end of the top of the workbench 1, a bracket 3 is fixed in the middle of one side of the workbench 1, and an industrial camera 4 is arranged at the upper end of the bracket 3, a first damping shaft 5 is rotatably connected to the middle of the workbench 1, and the flip assembly 6 is arranged on the upper part of the first damping shaft 5, and the flip assembly 6 comprises a fixing frame 601, a lifting motor 602, a screw 603, a lifting seat 604, a lifting sleeve 605, a second damping shaft 606, a first one-way bearing 607, a driving gear 608 and a tooth plate 60 9. A fixing frame 601 is arranged on the top of the first damping shaft 5, and a lifting motor 602 is arranged on the top of the fixing frame 601, a screw rod 603 is connected to the bottom of the lifting motor 602, and a lifting seat 604 is threadedly connected to the outer side of the lower end of the screw rod 603, a lifting sleeve 605 is slidably connected to the outer side of the lower end of the lifting seat 604, and the outer side of the lifting sleeve 605 is rotatably connected to the second damping shaft 606, a first one-way bearing 607 is arranged on the outer side of one end of the second damping shaft 606, and a driving gear 608 is connected to the outer side of the first one-way bearing 607, and a tooth plate 609 is fixed to the bottom surface of the upper end of the bracket 3.

[0022] See also Figures 1 to 6, the end of the lifting sleeve 605 is connected to the clamping assembly 7, the clamping assembly 7 includes a support block 701 and a compression spring 702, the bottom of the lifting sleeve 605 is provided with a support block 701, and the support block 701 is fixedly connected to the workbench 1, the top of the lifting sleeve 605 is connected to the compression spring 702, and the compression spring 702 is tightly fitted with the lifting seat 604, the clamping assembly 7 also includes a limit plate 703 and a guide sleeve 704, the outer side of the lifting seat 604 is fixed with a limit plate 703, and the end of the limit plate 703 is slidably connected with the guide sleeve 704, and the guide sleeve 704 is slidably connected with the second damping shaft 606, the clamping assembly 7 also includes a sliding sleeve 705, a connecting rod 706 and a clamping plate 707, the middle outer side of the second damping shaft 606 is sleeved with a sliding sleeve 705, and the two sides of the sliding sleeve 705 are rotatably connected with the connecting rod 70 6, and the end of the connecting rod 706 is rotatably connected with a clamping plate 707, the clamping assembly 7 also includes a guide rod 708, a positioning spring 709 and a support block 710, the inner part of the clamping plate 707 is slidably connected with the guide rod 708, and the guide rod 708 is fixedly connected to the second damping shaft 606, and the end of the guide rod 708 is sleeved with a positioning spring 709, a support block 710 is arranged on the middle bottom surface of the guide rod 708, and the support block 710 is fixedly connected to the workbench 1, a servo motor 8 is arranged at the bottom of the workbench 1, and the output shaft of the servo motor 8 is connected to the synchronous shaft 9, a second one-way bearing 10 is arranged on the outer side of the middle part of the synchronous shaft 9, and a driving gear 11 is arranged on the outer side of the second one-way bearing 10, the top of the driving gear 11 is meshed with a driven gear 12, and the driven gear 12 is fixedly connected to the first damping shaft 5; The specific operation is as follows: the lifting motor 602 drives the screw rod 603 to rotate, so that the lifting seat 604 moves to the bottom of the screw rod 603. During this process, the support block 701 and the support block 710 will respectively support the bottom of the lifting sleeve 605 and the second damping shaft 606, so that the compression spring 702 will be compressed, and the limit plate 703 will also squeeze the guide sleeve 704, so that it slides along the outer side of the second damping shaft 606 and squeezes the sliding sleeve 705. Therefore, the clamping plate 707 can be driven to separate to both sides along the guide rod 708 through the connecting rod 706, and the external conveying equipment will convey the lens between the clamping plates 707. Then, the lifting motor 602 drives the screw rod 603 to rotate in the opposite direction, and the compression spring 702 will tighten the lifting seat 604 and the lifting sleeve 605, and the limit plate 703 will avoid the guide sleeve 704 and release the restriction on the sliding sleeve 705. Therefore, the positioning spring 709 will push the clamping plate 707 under the limit of the guide rod 708 to automatically clamp the workpiece. Subsequently, as the screw rod 603 rotates, the lens is first moved up a short distance, and then the servo motor 8 is started to drive the synchronous shaft 9 to rotate, and the first damping shaft 5 can be driven to rotate through the second one-way bearing 10, the driving gear 11 and the driven gear 12, so as to adjust the lens. The lens is transported, and after the lens is placed on the lampshade 2 through the clamping assembly 7, the industrial camera 4 is used to shoot and detect the lens. After the detection, the lifting motor 602 is started, so that the lifting seat 604 moves up under the guidance of the fixing frame 601. Therefore, after the clamping assembly 7 clamps the lens, the lens can be moved at the same time, and as the lifting seat 604 continues to move up, the driving gear 608 will contact the tooth plate 609, which will cause the driving gear 608 to rotate half a circle. During this process, the first one-way bearing 607 is in a locked state, so that the driving gear 608 and the second damping shaft 606 are transmitted, which will automatically drive the lens to turn over. Operation, and when the lifting seat 604 moves down, at this time, due to the reverse rotation of the driving gear 608, the first one-way bearing 607 will be active and will not transmit, and at the same time, the damping performance of the second damping shaft 606 is used to enhance the stability of the lens after it is turned over. Therefore, in the process of turning the lens over, it can automatically move up to avoid, leaving a certain turning space to avoid jamming when turning over, and after turning over, when the industrial camera 4 takes a picture of the lens again, it only needs to compare the size change of the defect. Because it is larger when it is near and smaller when it is far, it can quickly check which side the scratch defect is located on, which is conducive to enhancing the accuracy of equipment inspection.

[0023] See also Figures 5 to 7, an adjustment component 13 is arranged at one end of the synchronous shaft 9, a cylinder 14 is arranged on the top of the workbench 1, and a baffle 15 is connected to one end of the cylinder 14, the adjustment component 13 includes a third one-way bearing 1301, a bevel gear 1302 and a bevel gear ring 1303, a third one-way bearing 1301 is arranged at the end of the synchronous shaft 9, and a bevel gear 1302 is arranged on the outer side of the third one-way bearing 1301, a bevel gear 1303 is meshed at the top of the bevel gear 1302, and the bevel gear ring 1303 is rotatably connected to the workbench 1, the adjustment component 13 also includes a pulley 1304, a guide ring 1305, a fixing rod 1306 and a lamp board 1307, and the bevel gear ring 1303 A pulley 1304 is arranged on the inner side, and a guide ring 1305 is connected to the bottom of the pulley 1304, a fixing rod 1306 is arranged on the top of the outer end of the guide ring 1305, and a lamp board 1307 is fixed on the top of the fixing rod 1306, the adjustment component 13 also includes a ball connection column 1308, a support 1309 and a return spring 1310, a ball connection column 1308 is arranged at the bottom center of the lamp board 1307, and a support 1309 is sleeved on the outer side of the lower end of the ball connection column 1308, the support 1309 is fixedly connected to the workbench 1, and a return spring 1310 is fixedly fixed to the middle of the top surface of the support 1309, and the return spring 1310 is fixedly connected to the lamp board 1307; The specific operation is as follows: the synchronization shaft 9 drives the bevel gear 1302 to work through the second one-way bearing 10. At the same time, since the self-locking directions of the third one-way bearing 1301 are opposite to those of the second one-way bearing 10, and there is a large friction resistance between the first damping shaft 5 and the workbench 1, the first damping shaft 5 will not rotate, thereby avoiding interference with the stability during the detection process. After that, the bevel gear ring 1303 will drive the pulley 1304 to squeeze the guide ring 1305, and the reset spring 1310 will be fixedly connected to the lamp board 1307 and the support 1309 to avoid the self-rotation of the ball joint column 1308. Therefore, the lamp board 1307 will deflect at an angle with the bottom of the ball joint column 1308 as the center, so that the angle of the light source can be automatically adjusted during detection. The change in angle makes the refraction and reflection at the scratches more obvious when detecting scratches on the lens surface, further improving the accuracy of detection. When the pulley 1304 moves to the groove of the guide ring 1305, the light board 1307 can be automatically reset under the action of the reset spring 1310. After the detection, the clamping assembly 7 repeats the clamping work. When clamping the lens after the inspection, it can also clamp the next lens to be inspected and the lens on the baffle 15. When transporting the lenses, if defective products appear, the baffle 15 can be unblocked by the cylinder 14. Therefore, when the lenses are placed later, the defective products and qualified products can be unloaded separately, and the loading operation can also be performed at the same time, which is beneficial to improve the efficiency of equipment detection.

[0024] In summary, when the lens appearance defect inspection device is used, first, the lifting motor 602 drives the screw 603 to rotate, so that the lifting seat 604 moves to the bottom of the screw 603. During this process, the support block 701 and the support block 710 will respectively support the lifting sleeve 605 and the bottom of the second damping shaft 606, thereby compressing the compression spring 702, and the limit plate 703 will also squeeze the guide sleeve 704, so that it slides along the outer side of the second damping shaft 606 and squeezes the sliding sleeve 705, so that the clamping plate 707 can be driven to separate to both sides along the guide rod 708 through the connecting rod 706. Secondly, the external conveying equipment will convey the lens between the clamping plates 707, and then the screw 603 will be driven to rotate in the opposite direction through the lifting motor 602. , the compression spring 702 will tighten the lifting seat 604 and the lifting sleeve 605, the limit plate 703 will avoid the guide sleeve 704, and release the restriction on the sliding sleeve 705, so the positioning spring 709 will push the clamping plate 707 under the limit of the guide rod 708 to automatically clamp the workpiece, and then, as the screw 603 rotates, the lens is first moved up a small distance, and then the servo motor 8 is started to drive the synchronous shaft 9 to rotate, and the first damping shaft 5 can be driven to rotate through the second one-way bearing 10, the driving gear 11 and the driven gear 12, so as to transport the lens. In this process, since the self-locking direction of the third one-way bearing 1301 is opposite to that of the second one-way bearing 10, the bevel gear 1302 will not rotate, and then, After the lens is placed on the lampshade 2 through the clamping assembly 7, the lens is photographed and tested using the industrial camera 4. At this time, the synchronization shaft 9 rotates in the opposite direction, so that the second one-way bearing 10 drives the bevel gear 1302 to work, and because there is a large friction resistance between the first damping shaft 5 and the workbench 1, the first damping shaft 5 will not rotate. Then the bevel gear ring 1303 will drive the pulley 1304 to squeeze the guide ring 1305, and the return spring 1310 is fixedly connected to the lamp board 1307 and the support 1309 to prevent the ball joint column 1308 from rotating. Therefore, the lamp board 1307 will deflect at an angle with the bottom of the ball joint column 1308 as the center, so that the angle of the light source can be automatically adjusted during detection, and when the pulley 1304 moves to the guide ring 1305 When the lifting seat 604 is in the groove, under the action of the reset spring 1310, the lamp board 1307 can automatically return to the center, and then the lifting motor 602 is started to make the lifting seat 604 move up under the guidance of the fixing frame 601. Therefore, after the clamping assembly 7 clamps the lens, the lens can be moved at the same time, and as the lifting seat 604 continues to move up, the driving gear 608 will contact the tooth plate 609, which will make the driving gear 608 rotate half a circle. During this process, the first one-way bearing 607 is in a locked state, so that the driving gear 608 and the second damping shaft 606 are transmitted, which will automatically drive the lens to turn over. When the lifting seat 604 moves down, the driving gear 608 rotates in the opposite direction, and the first one-way bearing 607 becomes active.No transmission will be performed. At the same time, the damping performance of the second damping shaft 606 is used to enhance the stability of the lens after turning over. After turning over, when the industrial camera 4 takes pictures of the lens again, it only needs to compare the size change of the defect. Since the near is large and the far is small, it can quickly check which side the scratch defect is located. Finally, the clamping assembly 7 repeats the clamping work. When clamping the lens after inspection, it can clamp the next lens to be inspected and the lens on the baffle 15. When transporting the lens, if a defective product appears, the baffle 15 can be unblocked by the cylinder 14. Therefore, when placing the lens later, the defective products and qualified products can be unloaded separately, and the loading operation can also be performed at the same time, thereby improving the automation of the equipment.

[0025] The embodiments of the present invention are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A lens appearance defect inspection device, comprising a workbench (1) and a flip assembly (6), wherein a lampshade (2) is arranged at one end of the top of the workbench (1), a bracket (3) is fixed in the middle of one side of the workbench (1), and an industrial camera (4) is arranged at the upper end of the bracket (3), characterized in that: The middle part of the workbench (1) is rotatably connected to a first damping shaft (5); the flip assembly (6) is arranged on the upper part of the first damping shaft (5); the flip assembly (6) comprises a fixing frame (601), a lifting motor (602), a screw rod (603), a lifting seat (604), a lifting sleeve (605), a second damping shaft (606), a first one-way bearing (607), a driving gear (608) and a toothed plate (609); the fixing frame (601) is arranged on the top of the first damping shaft (5); and the lifting motor (601) is arranged on the top of the fixing frame (601). 2), a screw rod (603) is connected to the bottom of the lifting motor (602), and the lower end of the screw rod (603) is threadedly connected to a lifting seat (604), the lower end of the lifting seat (604) is slidably connected to a lifting sleeve (605), and the outer side of the lifting sleeve (605) is rotatably connected to a second damping shaft (606), a first one-way bearing (607) is arranged on the outer side of one end of the second damping shaft (606), and the outer side of the first one-way bearing (607) is connected to a driving gear (608), and a toothed plate (609) is fixed to the bottom surface of the upper end of the bracket (3).

2. The lens appearance defect inspection device according to claim 1, characterized in that: The end of the lifting sleeve (605) is connected to a clamping assembly (7), and the clamping assembly (7) comprises a support block (701) and a compression spring (702). The bottom of the lifting sleeve (605) is provided with a support block (701), and the support block (701) is fixedly connected to the workbench (1). The top of the lifting sleeve (605) is connected to a compression spring (702), and the compression spring (702) is tightly fitted with the lifting seat (604).

3. The lens appearance defect inspection device according to claim 2, characterized in that: The clamping assembly (7) further comprises a limit plate (703) and a guide sleeve (704); the limit plate (703) is fixed to the outer side of the lifting seat (604); the end of the limit plate (703) is slidably connected to the guide sleeve (704); and the guide sleeve (704) is slidably connected to the second damping shaft (606).

4. The lens appearance defect inspection device according to claim 3, characterized in that: The clamping assembly (7) further comprises a sliding sleeve (705), a connecting rod (706) and a clamping plate (707); the sliding sleeve (705) is sleeved on the outer side of the middle portion of the second damping shaft (606); the connecting rod (706) is rotatably connected to both sides of the sliding sleeve (705); and the end of the connecting rod (706) is rotatably connected to the clamping plate (707).

5. The lens appearance defect inspection device according to claim 4, characterized in that: The clamping assembly (7) further comprises a guide rod (708), a positioning spring (709) and a support block (710); the guide rod (708) is slidably connected to the interior of the clamping plate (707); the guide rod (708) is fixedly connected to the second damping shaft (606); the end of the guide rod (708) is sleeved with a positioning spring (709); a support block (710) is provided on the middle bottom surface of the guide rod (708); and the support block (710) is fixedly connected to the workbench (1).

6. The lens appearance defect inspection device according to claim 1, characterized in that: A servo motor (8) is arranged at the bottom of the workbench (1), and the output shaft of the servo motor (8) is connected to a synchronous shaft (9), a second one-way bearing (10) is arranged on the outer side of the middle part of the synchronous shaft (9), and a driving gear (11) is arranged on the outer side of the second one-way bearing (10), a driven gear (12) is meshed at the top of the driving gear (11), and the driven gear (12) is fixedly connected to the first damping shaft (5).

7. The lens appearance defect inspection device according to claim 6, characterized in that: An adjustment component (13) is provided at one end of the synchronization shaft (9), a cylinder (14) is arranged on the top of the workbench (1), and a baffle (15) is connected to one end of the cylinder (14).

8. The lens appearance defect inspection device according to claim 7, characterized in that: The adjustment assembly (13) comprises a third one-way bearing (1301), a bevel gear (1302) and a bevel gear ring (1303); the third one-way bearing (1301) is arranged at the end of the synchronization shaft (9); the bevel gear (1302) is arranged on the outer side of the third one-way bearing (1301); the bevel gear ring (1303) is meshed with the top of the bevel gear (1302); and the bevel gear ring (1303) is rotatably connected to the workbench (1).

9. The lens appearance defect inspection device according to claim 8, characterized in that: The adjustment component (13) further comprises a pulley (1304), a guide ring (1305), a fixing rod (1306) and a light board (1307); the pulley (1304) is arranged on the inner side of the bevel gear ring (1303), and the bottom of the pulley (1304) is connected to the guide ring (1305); the fixing rod (1306) is arranged on the top of the outer end of the guide ring (1305), and the light board (1307) is fixed to the top of the fixing rod (1306).

10. The lens appearance defect inspection device according to claim 9, characterized in that: The adjustment component (13) further comprises a ball connection column (1308), a support (1309) and a return spring (1310); the ball connection column (1308) is arranged at the center of the bottom of the lamp board (1307), and the support (1309) is sleeved on the outer side of the lower end of the ball connection column (1308); the support (1309) is fixedly connected to the workbench (1), and a return spring (1310) is fixedly connected to the middle of the top surface of the support (1309), and the return spring (1310) is fixedly connected to the lamp board (1307).

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