A lens edge bruise detection device and method for lens assembly

Abstract

The present invention discloses a lens edge bruise detection device and method for lens assembly, including a conveying device for transporting lenses and a synchronous detection device arranged on the conveying device. A detection camera for detecting the surface of the lens is arranged on the synchronous detection device. The present invention controls the detection camera to move synchronously with the lens through the synchronous detection device and collects image information in real time for comparative detection, so that the quality of the lens during production and transportation can be detected in real time, avoiding the problem of batch unqualified lenses. At the same time, the synchronous movement of the detection camera and the lens avoids the problem that the detection camera is stretched and deformed when collecting the lens image, which affects the detection accuracy. At the same time, the calibration angle of the detection camera is adjusted through the angle adjustment structure, avoiding the problem that the image information collected by the detection camera is blurred due to the light problem on the lens surface, which affects the accuracy of the detection result.

Description

Technical Field

[0001] The present invention relates to the technical field of optical lens detection, and particularly relates to a device and method for detecting edge indentation of lenses during lens assembly. Background Art

[0002] An optical lens is an essential component in a machine vision system, directly affecting the quality of imaging and the implementation and effect of algorithms. An optical lens is an indispensable part during lens assembly. During the production process of an optical lens, it is necessary to detect whether there are indentation damages on the surface and edge parts to control the production quality of the optical lens.

[0003] When detecting an optical lens during the production process of the optical lens, generally, lenses are randomly selected by sampling detection. The lenses are placed on a detection table and image information is collected by multiple detection cameras for comparison and detection. This detection method can avoid the problem of batch unqualified products in the produced lenses. However, this detection device cannot perform real-time detection on the lenses during production and transportation, resulting in the problem of unqualified lenses still occurring between two sampling inspections. Moreover, the efficiency of manually sampling and inspecting the lenses is relatively low. Therefore, it is necessary to design a device and method for detecting edge indentation of lenses during lens assembly. Summary of the Invention

[0004] The purpose of the present invention is to provide a device and method for detecting edge indentation of lenses during lens assembly, which solves the problems that the existing detection device has low operation efficiency through manual sampling inspection and cannot perform real-time detection on the lenses during production and transportation, resulting in batch unqualified products.

[0005] To solve the above technical problems, the present invention specifically provides the following technical solutions:

[0006] A device for detecting edge indentation of lenses during lens assembly includes a conveying device for transporting lenses and a synchronous detection device arranged on the conveying device. A detection camera for detecting the surface of the lenses is arranged on the synchronous detection device, and the detection camera moves synchronously with the lenses through the synchronous detection device and collects multi-angle image information in real time for comparison and detection;

[0007] The synchronous detection device includes a bracket arranged on the conveying device, a same-speed structure arranged on the bracket, and an angle adjustment structure arranged on the same-speed structure. The detection camera is arranged on the angle adjustment structure. The detection camera moves synchronously with the lenses through the same-speed structure and performs multi-angle detection on the lenses through the angle adjustment structure.

[0008] As a preferred embodiment of the present invention, the same-speed structure includes a connecting plate horizontally arranged on the bracket and two synchronous screws symmetrically arranged at the bottom of the connecting plate. One end of each synchronous screw is connected to a first driving device. Each synchronous screw is threadedly connected with a threaded connection seat slidably connected to the bottom of the connecting plate. The angle adjustment structure is arranged on the opposite sides of the two threaded connection seats and drives the two threaded connection seats to move in opposite directions at the same speed by the two synchronous screws.

[0009] As a preferred embodiment of the present invention, an adjustment groove is vertically formed on one side of the threaded connection seat. An adjustment screw is installed in the adjustment groove through a bearing. One end of the adjustment screw is connected to a second driving device. The adjustment screw is threadedly connected with a vertical plate slidably connected to the side wall of the threaded connection seat. The angle adjustment structure is arranged on the vertical plate, and when the two angle adjustment structures meet, the horizontal height of the corresponding angle adjustment structure is adjusted by the adjustment screw.

[0010] As a preferred embodiment of the present invention, the midpoint of the line connecting the central positions of the two threaded connection seats and the midpoint of the line connecting the central positions of the two synchronous screws are located on the same vertical line.

[0011] As a preferred embodiment of the present invention, the angle adjustment structure includes a linear groove horizontally arranged on the vertical plate and a strip-shaped block installed on the vertical plate through a rotating shaft. A linear screw is installed in the linear groove through a bearing. One end of the linear screw is connected to a third driving device. The linear screw is threadedly connected with a sliding column slidably connected to the inside of the linear groove. A strip-shaped groove slidably connected to the sliding column is formed along the center line direction on the strip-shaped block. An installation seat for installing the detection camera is arranged at the bottom of the strip-shaped block, and the detection angle of the detection camera is adjusted by driving the sliding column by the linear screw to control the rotation of the strip-shaped block.

[0012] As a preferred embodiment of the present invention, the sliding column includes a sliding seat body connected to the linear screw and a square column body rotatably connected to the sliding seat body. Sliding protrusions are symmetrically arranged on both sides of the square column body. Two side wall chutes slidably connected to the corresponding sliding protrusions are arranged on the opposite two side walls in the strip-shaped groove.

[0013] As a preferred embodiment of the present invention, the vertical plate includes a fixed plate connected to the adjusting screw rod and a horizontal screw rod arranged horizontally on the fixed plate. One end of the horizontal screw rod is connected with a fourth driving device. A movable plate slidably connected to the fixed plate is threadedly connected to the horizontal screw rod. The strip-shaped block is arranged on the movable plate, and the detection angle of the detection camera is adjusted jointly by the horizontal screw rod and the linear screw rod.

[0014] As a preferred embodiment of the present invention, a plurality of supplementary light lamps are annularly and arrayedly arranged at the bottom of the mounting seat, and the detection camera is arranged at the central position of the annular array of the plurality of supplementary light lamps.

[0015] As a preferred embodiment of the present invention, the bracket includes a plurality of side struts symmetrically arranged on both sides of the conveying device and a plurality of threaded holes equidistantly opened in the vertical direction on the side struts. A support sleeve fixed by connecting with the corresponding threaded hole through a bolt is sleeved on each side strut. The connecting plate is arranged at the top of the plurality of support sleeves, and the detection height of the detection camera is assisted to be adjusted by connecting with the corresponding threaded hole through the bolt.

[0016] To solve the above technical problems, the present invention further provides the following technical solutions:

[0017] A detection method for a lens edge bruise detection device for lens assembly, including steps

[0018] S100. The two detection cameras are at the position with the maximum horizontal distance. When one of the detection cameras detects a lens, one of the detection cameras and the lens are driven to move in the same direction at the same speed magnitude by the synchronous screw rod, and the other detection camera moves in the opposite direction at the same speed magnitude.

[0019] S200. The detection angle of the detection camera moving in the same direction as the lens is jointly adjusted by the linear screw rod and the horizontal screw rod. When the two detection cameras meet, the adjusting screw rod is driven by the second driving device to adjust the horizontal height of the detection camera moving in the opposite direction to the lens.

[0020] S300. When the two detection cameras move to the end of the synchronous screw rod, the first driving device is started to reversely drive the synchronous screw rod to rotate to adjust the moving directions of the two detection cameras, and the next lens is detected in the same manner.

[0021] The present invention has the following beneficial effects compared with the prior art:

[0022] The present invention controls the synchronous movement of a detection camera and a lens through a synchronous detection device, and collects and compares image information in real time, enabling the quality of the lens to be detected in real time during production and transportation, avoiding the problem of batch unqualified lenses. At the same time, the synchronous movement of the detection camera and the lens avoids the problem that the detection camera is elongated and deformed when collecting lens images, affecting the detection accuracy. At the same time, the calibration angle of the detection camera is adjusted through an angle adjustment structure, avoiding the problem that the image information collected by the detection camera is blurred due to the light problem on the lens surface, affecting the accuracy of the detection result. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only exemplary, and those of ordinary skill in the art can also obtain other implementation drawings based on the provided drawings without creative efforts.

[0024] Figure 1 FIG. is a schematic structural diagram of a lens edge bruise detection device for lens assembly provided by an embodiment of the present invention;

[0025] Figure 2 FIG. is a schematic structural diagram of an angle adjustment structure provided by an embodiment of the present invention

[0026] Figure 3 Provided by an embodiment of the present invention Figure 2 The enlarged schematic structural diagram of part A shown in

[0027] The reference numerals in the drawings are respectively represented as follows:

[0028] 1 - conveying device; 2 - synchronous detection device; 3 - detection camera;

[0029] 201 - bracket; 202 - same - speed structure; 203 - angle adjustment structure; 204 - connecting plate; 205 - synchronous screw; 206 - threaded connection seat; 207 - adjustment groove; 208 - adjustment screw; 209 - vertical plate; 210 - linear groove; 211 - strip - shaped block; 212 - linear screw; 213 - sliding column; 214 - strip - shaped groove; 215 - mounting seat; 216 - sliding base; 217 - square column; 218 - sliding protrusion; 219 - side - channel; 220 - fixing plate; 221 - horizontal screw; 222 - movable plate; 223 - supplementary light; 224 - side support; 225 - threaded hole; 226 - support sleeve. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0030] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0031] Embodiment 1:

[0032] As Figures 1 to 3 shown, the present invention provides a lens edge bruise detection device for lens assembly, including a conveying device 1 for transporting lenses and a synchronous detection device 2 arranged on the conveying device 1. A detection camera 3 for detecting the lens surface is arranged on the synchronous detection device 2, and the detection camera 3 moves synchronously with the lens through the synchronous detection device 2 and collects multi-angle image information in real time for comparison detection;

[0033] The synchronous detection device 2 includes a bracket 201 arranged on the conveying device 1, a same-speed structure 202 arranged on the bracket 201, and an angle adjustment structure 203 arranged on the same-speed structure 202. The detection camera 3 is arranged on the angle adjustment structure 203. The detection camera 3 moves synchronously with the lens through the same-speed structure 202 and performs multi-angle detection on the lens through the angle adjustment structure 203.

[0034] When the present invention is in use, the lenses are conveyed by the conveying device 1. The lenses are arranged at equal intervals on the conveying device 1 and pass under the synchronous detection device 2 and the detection camera 3. The detection camera 3 collects image information for comparison detection, realizing real-time detection during the lens production and transportation process, and avoiding the problem of batch unqualified lenses.

[0035] The detection camera 3 moves at the same speed as the lens under the drive of the same-speed structure 202, avoiding the problem that the image information collected by the detection camera 3 is stretched and deformed, which affects the detection accuracy. Secondly, the detection angle of the detection camera 3 is adjusted through the angle adjustment structure 203, and image information of the lens is collected from multiple angles, avoiding the problem that the collected image information is blurred due to light problems on the lens surface, which affects the detection accuracy. At the same time, multi-angle detection of the lens is performed by a single detection camera, avoiding the problem of resource waste caused by using a large number of detection cameras.

[0036] Further, in this embodiment, the conveying device 1 can be a conveyor belt or other devices, as long as it can realize the uniform conveying of the lenses.

[0037] Further, when adjusting the detection angle of the detection camera 3, there is a certain interval for each angle adjustment to clean the image information of the collected lens.

[0038] The same-speed structure 202 includes a connecting plate 204 horizontally arranged on the bracket 201 and two synchronous screws 205 symmetrically arranged at the bottom of the connecting plate 204. One end of each synchronous screw 205 is connected with a first driving device. A threaded connecting seat 206 that is threadedly connected to each synchronous screw 205 and slidably connected to the bottom of the connecting plate 204 is provided. The angle adjustment structure 203 is arranged on one side where the two threaded connecting seats 206 face each other, and the two threaded connecting seats 206 are driven by the two synchronous screws 205 to move in opposite directions at the same speed.

[0039] When the same-speed structure 202 is in use, the horizontal distance between the two threaded connecting seats 206 is at the maximum, that is, one threaded connecting seat 206 is located at the end of one synchronous screw 205, and the other threaded connecting seat 206 is located at the end of the other synchronous screw 205, and they are on both sides of the line connecting the central positions of the two synchronous screws 205.

[0040] When the lens is located directly below one of the detection cameras 3, the two first driving devices are simultaneously started to drive the corresponding synchronous screws 205 to rotate. The synchronous screws 205 drive the two threaded connecting seats 206 to move in opposite directions at the same speed through thread engagement.

[0041] One of the detection cameras 3 moves in the same direction and at the same speed as the lens to collect image information for comparison and detection, and the other detection camera 3 moves in the opposite direction at the same speed as the lens, and this detection camera 3 does not work.

[0042] When the two threaded connecting seats 206 move to the other end of the corresponding synchronous screws 205, the detection camera 3 for detecting the lens stops working, and the other detection camera 3 that has not worked detects that the next lens is located below and starts to collect image information. At the same time, the two first driving devices drive the two synchronous screws 205 to rotate in the opposite direction simultaneously, and the above detection actions are repeated.

[0043] The continuous real-time detection of the lenses on the conveying device 1 is realized by the two detection cameras 3 moving in opposite directions at the same speed, which improves the detection efficiency. And the detection camera 3 and the corresponding lens keep synchronous movement, ensuring the complete and clear collection of the lens image information by the detection camera 3, and avoiding the problem of batch unqualified lenses.

[0044] In this embodiment, the distance between two lenses on the conveying device 1 is the same as the movement distance of the threaded connecting seat 206, so that the two detection cameras 3 can continuously and circularly detect the lenses to ensure the detection efficiency.

[0045] On one side of the threaded connection base 206, an adjustment groove 207 is provided along the vertical direction. An adjustment screw 208 is installed in the adjustment groove 207 through a bearing, and one end of the adjustment screw 208 is connected to a second driving device. A vertical plate 209 that is threadedly connected to the adjustment screw 208 and slidably connected to the side wall of the threaded connection base 206 is provided, and the angle adjustment structure 203 is arranged on the vertical plate 209. When the two angle adjustment structures 203 meet, the horizontal height of the corresponding angle adjustment structure 203 is adjusted through the adjustment screw 208.

[0046] Considering that if the two detection cameras 3 are located on both sides of the lens, it will cause the two detection cameras 3 to have insufficient image information collected for the lens due to angle problems, and the image information collected for the same lens is different. Therefore, it is set that both detection cameras 3 are located directly above the running track of the lens, so that comprehensive and sufficient image information can be collected for the lens, and the image information collected for the same lens is the same, avoiding affecting the detection result.

[0047] Therefore, during the process of the two detection cameras 3 moving towards each other, the movement tracks of the two detection cameras 3 are the same, that is, interference will occur when the two detection cameras 3 move, and they cannot operate normally.

[0048] At this time, the second driving device is started to drive the adjustment screw 208 to rotate. The adjustment screw 208 drives the vertical plate 209 to move to adjust the horizontal height through thread engagement, so that a height difference is generated when the two detection cameras 3 meet to avoid interference and enable normal operation, ensuring the accuracy of the detection result for the lens.

[0049] Furthermore, in order to avoid affecting the detection result of the detection camera 3, adjustment screws 208 and vertical plates 209 are provided on both threaded connection bases 206. When the two detection cameras 3 meet, the horizontal height of the detection camera 3 that is not performing the detection work is adjusted, and the detection camera 3 that is performing the detection work is not adjusted in height, avoiding interference with the image information collection of the detection camera 3 and affecting the detection accuracy.

[0050] The midpoint position of the line connecting the central positions of the two threaded connection bases 206 and the midpoint position of the line connecting the central positions of the two synchronous screws 205 are located on the same vertical line, and when the two threaded connection bases 206 are located at the middle positions on the corresponding synchronous screws 205, the spatial positions of the two detection cameras 3 overlap.

[0051] The two threaded connection bases 206 are centrosymmetric with the midpoint of the line connecting the central positions of the two synchronous screws 205 as the center of symmetry, so that the two threaded connection bases 206 can continuously detect the lens, improving the calibration efficiency and not affecting the normal lens transportation.

[0052] At the same time, the movement trajectories of the two detection cameras 3 are the same. That is, when the threaded connection base 206 is located at the center position of the synchronous screw 205, the two detection cameras 3 should overlap in space to ensure that the detection conditions of the two detection cameras 3 are the same and avoid affecting the detection results of the lenses.

[0053] The angle adjustment structure 203 includes a linear groove 210 arranged horizontally on the vertical plate 209 and a strip-shaped block 211 installed on the vertical plate 209 through a rotating shaft. A linear screw 212 is installed in the linear groove 210 through a bearing, and one end of the linear screw 212 is connected to a third driving device. A sliding column 213 that is threadedly connected to the linear screw 212 and slidably connected to the inside of the linear groove 210 is provided. A strip-shaped groove 214 that is slidably connected to the sliding column 213 is formed in the strip-shaped block 211 along the center line direction. An installation seat 215 for installing the detection camera 3 is provided at the bottom of the strip-shaped block 211, and the detection angle of the detection camera 3 is adjusted by driving the sliding column 213 to control the rotation of the strip-shaped block 211 through the linear screw 212.

[0054] The angle adjustment structure 203 is used to adjust the detection angle of the detection camera 3 to avoid the blurring of the image information collected by the detection camera 3 due to the light problem on the surface of the lens, which affects the accuracy of the detection result. Therefore, the accuracy of the lens detection result is improved by collecting images of the lens surface from multiple angles.

[0055] When adjusting the detection angle of the detection camera 3, the third driving device is started to drive the linear screw 212 to rotate. The linear screw 212 drives the sliding column 213 to slide along the linear groove 210 through thread engagement. At the same time, the sliding column 213 slides along the inside of the strip-shaped groove 214, driving the strip-shaped block 211 to rotate around the rotating shaft, so that the installation seat 215 at the bottom of the strip-shaped block 211 makes a circular motion, and the detection angle of the detection camera 3 changes.

[0056] By driving the sliding column 213 to move through the linear screw 212, the self-locking property of the threaded structure can ensure the stability of the angle adjustment of the detection camera 3. Secondly, the detection angle of the detection camera 3 is adjusted through the sliding column 213. By driving the sliding column 213 to move back and forth through the forward and reverse driving of the third driving device, the detection camera 3 rotates around the rotating shaft back and forth to perform repeated detection on multiple lenses, ensuring the consistency of the detection.

[0057] Furthermore, when the sliding column 213 is located at the middle position of the linear groove 210, the detection angle of the detection camera 3 is vertically downward, so that the detection camera 3 collects image information on both sides of the lens in the vertical direction during angle adjustment, and the detection result is more accurate.

[0058] The sliding column 213 includes a sliding seat body 216 connected to the linear screw 212 and a square column body 217 rotatably connected to the sliding seat body 216. Sliding protrusions 218 are provided on both symmetric sides of the square column body 217, and two side chutes 219 slidably connected to the corresponding sliding protrusions 218 are provided on the two opposite side walls within the strip-shaped groove 214.

[0059] To further improve the stability of the detection angle adjustment of the detection camera 3, the sliding seat body 216 is driven by the linear screw 212 to move along the linear groove 210. At the same time, the square column body 217 is slidably connected to the side chutes 219 through the sliding protrusions 218. The square column body 217 rotates relative to the sliding seat body 216 under the restriction of the strip-shaped groove 214, and the square column body 217 slides along the strip-shaped groove 214 to drive the strip-shaped block 211 to rotate.

[0060] The square column body 217 is slidably connected to the inside of the strip-shaped groove 214 through the mating connection between the sliding protrusions 218 and the side chutes 219. The square column body 217 rotates by itself without rolling friction with the inner wall of the strip-shaped groove 214, reducing the vibration generated by rolling friction. Secondly, the connection stability is improved.

[0061] The vertical plate 209 includes a fixed plate 220 connected to the adjustment screw 208 and a horizontal screw 221 arranged horizontally on the fixed plate 220. One end of the horizontal screw 221 is connected to a fourth driving device. A movable plate 222 slidably connected to the fixed plate 220 is threadedly connected to the horizontal screw 221. The strip-shaped block 211 is arranged on the movable plate 222, and the detection angle of the detection camera 3 is adjusted jointly by the horizontal screw 221 and the linear screw 212.

[0062] When the detection camera 3 adjusts the angle at a position above the lens, the detection viewing angle of the detection camera 3 may deviate from the lens surface, resulting in partial loss of the image information collected by the detection camera 3 and affecting the detection result. At this time, the fourth driving device is started to drive the horizontal screw 221 to rotate. The horizontal screw 221 drives the movable plate 222 to move horizontally through thread engagement, correcting the influence on the detection result caused by the deviation of the detection viewing angle due to the adjustment of the detection angle of the detection camera 3.

[0063] By driving the horizontal screw 221 to rotate forward and backward by the fourth driving device to adjust the movable plate 222 to reciprocate horizontally, the adjustment can be performed when the detection camera 3 makes circular motions in two directions around the rotation axis.

[0064] In this embodiment, the first driving device, the second driving device, the third driving device, and the fourth driving device are all existing power devices, such as motors and other devices for providing power.

[0065] A plurality of supplementary light lamps 223 are arranged in a bottom annular array of the mounting base 215, and the detection camera 3 is arranged at the center position of the annular array of the plurality of supplementary light lamps 223.

[0066] Considering that due to the continuous change of light and the connecting plate 204 being located at the top, there is insufficient light when the detection camera 3 detects, so a plurality of supplementary light lamps 223 are arranged in a ring, which not only supplements the light, but also reduces the influence of shadows on the image information collected by the detection camera 3.

[0067] The bracket 201 includes a plurality of side struts 224 symmetrically arranged on both sides of the conveying device 1 and a plurality of threaded holes 225 opened at equal intervals in the vertical direction on the side struts 224. A support sleeve 226 fixed by connecting with the corresponding threaded hole 225 through a bolt is sleeved on each side strut 224, and the connecting plate 204 is arranged at the top of the plurality of support sleeves 226 and is connected with the corresponding threaded hole 225 through a bolt to assist in adjusting the detection height of the detection camera 3.

[0068] Considering that the thickness and light transmittance of the optical lenses are different, the optimal detection height of the detection camera 3 for the lenses is also different. Therefore, by adjusting the height of the support sleeve 226 sleeved on the corresponding side strut 224 and fixing and adjusting the horizontal height of the connecting plate 204 by connecting with the corresponding threaded hole 225 through a bolt, the horizontal detection height of the detection camera 3 is adjusted in sequence to ensure the optimal detection height of the detection camera 3 for the lenses.

[0069] Embodiment 2:

[0070] A detection method for a lens edge bruise detection device for lens assembly includes the steps,

[0071] S100, the two detection cameras are at the position with the maximum horizontal distance, and when one of the detection cameras detects the lens, one of the detection cameras and the lens are driven to move in the same direction at the same speed magnitude by the synchronous screw, and the other detection camera moves in the opposite direction at the same speed magnitude;

[0072] S200, the detection angle of the detection camera moving in the same direction as the lens is adjusted by the linear screw and the horizontal screw together, and when the two detection cameras meet, the second driving device is used to drive the adjusting screw to adjust the horizontal height of the detection camera moving in the opposite direction to the lens;

[0073] S300, when the two detection cameras move to the end of the synchronous screw, the first driving device is started to drive the synchronous screw to rotate in the reverse direction to adjust the moving directions of the two detection cameras to detect the next lens in the same way.

[0074] In S200, when adjusting the detection angle of the camera 3, a certain time interval is required. After adjusting the angle once, there is a certain interval for the camera 3 to collect image information, so as to avoid image elongation and deformation, which may affect the detection accuracy.

[0075] The above embodiments are only exemplary embodiments of the present application and are not used to limit the present application. The protection scope of the present application is defined by the claims. Those skilled in the art can make various modifications or equivalent replacements within the essence and protection scope of the present application, and such modifications or equivalent replacements should also be regarded as falling within the protection scope of the present application.

Claims

1. A lens edge bruise detection device for lens assembly, characterized in that: It includes a conveying device (1) for transporting lenses and a synchronous detection device (2) provided on the conveying device (1). A detection camera (3) for detecting the surface of the lens is provided on the synchronous detection device (2). The detection camera (3) moves synchronously with the lens through the synchronous detection device (2) and collects multi-angle image information in real time for comparison and detection; The synchronous detection device (2) includes a bracket (201) provided on the conveying device (1), a same-speed structure (202) provided on the bracket (201), and an angle adjustment structure (203) provided on the same-speed structure (202). The detection camera (3) is provided on the angle adjustment structure (203). The detection camera (3) moves synchronously with the lens through the same-speed structure (202) and performs multi-angle detection on the lens through the angle adjustment structure (203); The same-speed structure (202) includes a connecting plate (204) horizontally provided on the bracket (201) and two synchronous screws (205) symmetrically provided at the bottom of the connecting plate (204). One end of each synchronous screw (205) is connected to a first driving device. A threaded connection seat (206) that is slidably connected to the bottom of the connecting plate (204) is threadedly connected to each synchronous screw (205). The angle adjustment structure (203) is provided on one side where the two threaded connection seats (206) face each other, and the two threaded connection seats (206) are driven by the two synchronous screws (205) to move in opposite directions at the same speed; An adjustment groove (207) is vertically formed on one side of the threaded connection seat (206). An adjustment screw (208) is installed in the adjustment groove (207) through a bearing. One end of the adjustment screw (208) is connected to a second driving device. A vertical plate (209) that is slidably connected to the side wall of the threaded connection seat (206) is threadedly connected to the adjustment screw (208). The angle adjustment structure (203) is provided on the vertical plate (209), and when the two angle adjustment structures (203) meet, the horizontal height of the corresponding angle adjustment structure (203) is adjusted through the adjustment screw (208); The midpoint position of the line connecting the central positions of the two threaded connection seats (206) and the midpoint position of the line connecting the central positions of the two synchronous screws (205) are located on the same vertical line.

2. The lens edge bruise detection device for lens assembly according to claim 1, wherein: The angle adjustment structure (203) includes a linear groove (210) arranged horizontally on the vertical plate (209) and a strip-shaped block (211) installed on the vertical plate (209) through a rotating shaft. A linear screw rod (212) is installed in the linear groove (210) through a bearing, and one end of the linear screw rod (212) is connected to a third driving device. A sliding column (213) that is threadedly connected to the linear screw rod (212) and slidably connected to the inside of the linear groove (210) is provided. A strip-shaped groove (214) that is slidably connected to the sliding column (213) is formed in the strip-shaped block (211) along the center line direction. An installation seat (215) for installing the detection camera (3) is arranged at the bottom of the strip-shaped block (211), and the detection angle of the detection camera (3) is adjusted by driving the sliding column (213) by the linear screw rod (212) to control the rotation of the strip-shaped block (211).

3. The lens edge bruise detection device for lens assembly according to claim 2, wherein: The sliding column (213) includes a sliding seat body (216) connected to the linear screw rod (212) and a square column body (217) rotatably connected to the sliding seat body (216). Sliding protrusions (218) are arranged on both symmetric sides of the square column body (217). Two side sliding grooves (219) that are slidably connected to the corresponding sliding protrusions (218) are arranged on the opposite two side walls in the strip-shaped groove (214).

4. The lens edge bruise detection device for lens assembly according to claim 2, characterized in that: A plurality of supplementary light lamps (223) are arranged in a circular array at the bottom of the installation seat (215), and the detection camera (3) is arranged at the center of the circular array of the plurality of supplementary light lamps (223).

5. The lens edge bruise detection device for lens assembly according to claim 4, characterized in that: The bracket (201) includes a plurality of side struts (224) symmetrically arranged on both sides of the conveying device (1) and a plurality of threaded holes (225) arranged at equal intervals in the vertical direction on the side struts (224). A support sleeve (226) fixed by connecting with the corresponding threaded hole (225) through a bolt is sleeved on each side strut (224), and the connecting plate (204) is arranged on the tops of the plurality of support sleeves (226) and is connected to the corresponding threaded hole (225) through a bolt to assist in adjusting the detection height of the detection camera (3).

Images