Glass surface defect detection device

Abstract

The invention relates to the technical field of glass production detection, in particular to a glass surface defect detection device which comprises a base, a side vertical plate is fixed to the rear side of the top end of the outer wall of the base, a top plate is mounted at the top end of the outer wall of the side vertical plate, and a glass placement seat for placing glass is arranged at the top end of the outer wall of the base. According to the invention, personnel can place the glass in the glass placing groove, then primary visual identification is carried out on the glass through the first inspection camera, and when the first inspection camera judges that defects exist, the first inspection camera can carry out visual identification on the glass, so that the quality inspection of the glass can be carried out through the first inspection camera, and the quality inspection of the glass can be carried out. The second inspection camera and the third inspection camera can be moved to the defect point for secondary reinspection, so that the situation that the glass is misjudged by visual equipment due to self faults is reduced, and the quality inspection precision of the glass is ensured.

Description

Technical Field

[0001] The invention relates to the technical field of glass production detection, and in particular to a glass surface defect detection device. Background Art

[0002] Glass is a common amorphous inorganic material, widely used in construction, automobiles, electronics, packaging and other fields.

[0003] Glass surface defect detection is a key step in ensuring the quality of glass products, improving product quality, reducing production costs, and meeting the market demand for high-precision detection. Existing detection methods mostly rely on visual inspection, but existing visual inspection devices mostly perform detection through a single camera mechanism. However, when errors occur in the camera mechanism detection, it is easy for the system to mistakenly believe that the glass is broken, which will cause errors in the quality inspection of the glass and misjudgment of the glass detection. Therefore, there are still certain shortcomings.

[0004] Therefore, it is necessary to invent a glass surface defect detection device. Summary of the invention

[0005] To this end, the present invention provides a glass surface defect detection device to solve the problem that most existing visual inspection devices perform detection through a single camera mechanism. However, when errors occur in the detection of the camera mechanism, it is easy for the system to mistakenly believe that the glass is broken, which will cause errors in the quality inspection of the glass and lead to misjudgment of the glass detection.

[0006] In order to achieve the above-mentioned purpose, the present invention provides the following technical solution: a glass surface defect detection device, comprising a base, a side vertical plate fixed to the rear side of the top end of the outer wall of the base, a top plate installed on the top end of the outer wall of the side vertical plate, a glass placement seat for placing glass is provided at the top end of the outer wall of the base, and quality inspection components for performing quality inspection on the glass are provided at the side end of the outer wall of the glass placement seat and the bottom end of the outer wall of the top plate.

[0007] Preferably, a glass placement groove for placing glass is provided at the top of the outer wall of the glass placement seat, a second pressure block is movably connected to the left side of the inner wall of the glass placement seat, the bottom end of the outer wall of the second pressure block is slidably connected to an elastic pull rod, and the bottom end of the elastic pull rod is fixed at a corresponding position to the bottom end of the inner wall of the glass placement seat.

[0008] Preferably, the inner wall of the glass placement seat is slidably connected to a gantry, and sliders are fixed to the front and rear sides of the bottom end of the outer wall of the gantry. Strip slide grooves are opened at the bottom end of the inner wall of the glass placement groove and at positions corresponding to the sliders, and the outer walls of the sliders are slidably connected to the inner walls of the strip slide grooves.

[0009] Preferably, the front and rear ends of the inner wall of the glass placement groove are both provided with a first pressure block for pressing the glass, the upper sides of the front and rear ends of the inner wall of the gantry are both slidably connected with a slide plate, the center of the top end of the outer wall of the slide plate is rotatably connected with a first threaded rod, and the top end of the outer wall of the gantry is threadedly connected to the outer wall of the first threaded rod by opening a threaded hole.

[0010] Preferably, springs are fixed to the top of the outer wall of the slide board and on the front and rear sides of the first threaded rod, the top of the spring is fixedly connected to the corresponding position of the top of the inner wall of the gantry, a cleaning plate for cleaning the glass is fixed to the bottom end of the outer wall of the slide board, a pressure roller is provided on the left side of the outer wall of the cleaning plate, and the front and rear ends of the pressure roller are fixed to the left side of the outer wall of the slide board through a connecting rod.

[0011] Preferably, the quality inspection component includes a curved frame, and the two curved frames are respectively arranged on the front and rear sides of the outer wall of the glass placement seat, and the front and rear ends of the outer wall of the glass placement seat are fixed with a guide shell, and the front and rear ends of the inner wall of the guide shell are rotatably connected with the second threaded rod, and the first drive motor is fixed at the side end of the guide shell and at the position corresponding to the end of the second threaded rod, and the output shaft of the first drive motor is fixedly connected to the end of the second threaded rod.

[0012] Preferably, a threaded slide is fixed at the bottom end of the curved frame and passes through the inner wall of the guide shell, and the inner wall of the threaded slide is threadedly connected to the outer wall of the second threaded rod, and a first electric-controlled slide is arranged at the top end of the inner wall of the curved frame and above the glass placement seat, and the outer wall of the first electric-controlled slide is installed with a first inspection camera and a second inspection camera for detecting the glass quality through an electric universal head, and the first inspection camera and the second inspection camera are respectively arranged under the two curved frames.

[0013] Preferably, the quality inspection component also includes a second electrically-controlled slide, which is fixed to the bottom end of the outer wall of the top plate and is located above the glass placement seat, and a strip plate is slidably installed at the bottom end of the outer wall of the second electrically-controlled slide, and the bottom end of the outer wall of the strip plate is slidably connected to a third electrically-controlled slide, and a third inspection camera is installed at the bottom end of the outer wall of the third electrically-controlled slide through an electric universal head.

[0014] Preferably, the first inspection camera includes a shell, a lens head for detection is installed on the top of the inner wall of the shell, a rotating seat is fixed on the side end of the outer wall of the shell and below the lens head, an annular plate is provided on the side of the rotating seat away from the shell, a hinged plate is fixed on the end of the annular plate close to the rotating seat, and the hinged plate is arranged in the rotating seat.

[0015] Preferably, the outer wall of the hinged plate is rotatably connected to the inner wall on the opposite side of the rotating seat through a rotating shaft, a second driving motor is fixed to the bottom end of the outer wall of the rotating seat, the top output shaft of the second driving motor is fixed to the rotating shaft at the bottom end of the hinged plate, a cleaning cloth is fixed to the top end of the outer wall of the annular plate, and the shell is provided with avoidance grooves at positions corresponding to the annular plates, and the bottom end of the outer wall of the lens head abuts against the top surface of the cleaning cloth.

[0016] The beneficial effects of the present invention are: In the present invention, personnel can place the glass in the glass placement groove, and then press the left end of the glass by the second pressing block, and then clean and press the glass by the cleaning plate and the pressing roller, and fix the glass on the glass placement seat in conjunction with the first pressing block, and then perform initial visual recognition of the glass by the first inspection camera, and when the first inspection camera determines that there is a defect, the second inspection camera and the third inspection camera can be moved to the defect point for a second review, thereby reducing the situation where the visual equipment misjudges the glass due to its own faults, and ensuring the quality inspection accuracy of the glass. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the external structure of the present invention in the front view direction; Figure 2 It is a schematic diagram of a part of the structure of the glass placement seat in the present invention when viewed from the side; Figure 3 It is a schematic diagram of a partial cross-sectional structure of the glass placement seat in the front view direction of the present invention; Figure 4 It is a schematic diagram of a part of the structure of the gantry in the present invention when viewed from the left side; Figure 5 For the present invention Figure 4 The enlarged structural diagram at A in the middle; Figure 6 It is a schematic diagram of a part of the structure of the side panels and the top panel in the present invention when viewed from the side; Figure 7 It is a partial cross-sectional structural schematic diagram of the first inspection camera in the left side viewing direction of the present invention; Figure 8 It is a schematic diagram of the three-dimensional structure of the annular plate in the present invention when viewed from above.

[0018] In the figure: 100, base; 110, side plate; 120, top plate; 200, glass placement seat; 210, strip slide; 220, first pressing block; 230, second pressing block; 231, elastic pull rod; 240, gantry; 241, slider; 250, pressure roller; 251, connecting rod; 260, slide plate; 261, spring; 262, cleaning plate; 263, first threaded rod; 300, curved frame; 310, guide shell; 320, first drive motor; 321, second threaded rod; 330, first electrically controlled slide; 340, first inspection camera; 341, lens head; 342, rotating seat; 343, annular plate; 344, hinged plate; 345, second drive motor; 346, cleaning cloth; 350, second inspection camera; 400, second electrically controlled slide; 410, strip plate; 420, third electrically controlled slide; 430, third inspection camera. DETAILED DESCRIPTION

[0019] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0020] See attached Figure 1-8 The glass surface defect detection device provided by the present invention comprises a base 100, a side vertical plate 110 is fixed to the rear side of the top end of the outer wall of the base 100, a top plate 120 is installed on the top end of the outer wall of the side vertical plate 110, the side vertical plate 110 is provided to support the top plate 120, a glass placement seat 200 for placing glass is provided on the top end of the outer wall of the base 100, a glass placement groove for placing glass is provided on the top end of the outer wall of the glass placement seat 200, a second pressing block 230 is movably connected to the left side of the inner wall of the glass placement seat 200, the outer wall bottom end of the second pressing block 230 is slidably connected to an elastic pull rod 231, the bottom end of the elastic pull rod 231 is fixed at a corresponding position to the inner wall bottom end of the glass placement seat 200, and the outer wall sleeve of the elastic pull rod 231 is provided with a reset spring, and the upper and lower ends of the reset spring are respectively The second pressing block 230 is connected to the opposite side of the glass placement seat 200. The reset spring is provided to pull the second pressing block 230 downward by elastic force, so that the second pressing block 230 can press the left end of the placed glass, and the elastic pull rod 231 is respectively provided at the front and rear sides of the bottom end of the second pressing block 230, so that the glass can be placed between the elastic pull rod 231. The inner wall of the glass placement seat 200 is slidably connected with a gantry 240, and sliders 241 are fixed to the front and rear sides of the bottom end of the outer wall of the gantry 240. Strip grooves 210 are provided at the bottom end of the inner wall of the glass placement groove and at the position corresponding to the slider 241. The outer walls of the sliders 241 are slidably connected to the inner walls of the strip grooves 210, and the gantry 240 can move left and right in the glass placement groove through the sliders 241. The front and rear ends of the inner wall of the glass placement groove are both provided with first pressing blocks 220 for pressing the glass, and the first pressing blocks 220 can be inserted into the front and rear sides of the inner wall of the glass placement groove to press and fix the front and rear sides of the top of the glass. The upper sides of the front and rear ends of the inner wall of the gantry 240 are slidably connected with slide plates 260, and the center of the top of the outer wall of the slide plate 260 is rotatably connected with a first threaded rod 263. The top of the outer wall of the gantry 240 is threadedly connected to the outer wall of the first threaded rod 263 through a threaded hole. The personnel can rotate the first threaded rod 263 to make the slide plate 260 drive the cleaning plate 262 to move up and down. The top of the outer wall of the slide plate 260 and the front and rear sides of the first threaded rod 263 are fixed with springs 261, and the top of the spring 261 is connected to the top of the inner wall of the gantry 240 The sliding plate 260 is fixedly connected at the corresponding position of the sliding plate 260, and the spring 261 is provided to play a certain supporting role through elastic force. A cleaning plate 262 for cleaning the glass is fixed at the bottom end of the outer wall of the sliding plate 260, and a pressure roller 250 is provided on the left side of the outer wall of the cleaning plate 262. The front and rear ends of the pressure roller 250 are fixed to the left side of the outer wall of the sliding plate 260 through the connecting rod 251. The bottom end of the pressure roller 250 is flush with the bottom end of the cleaning plate 262. The personnel can rotate the first threaded rod 263 to make the sliding plate 260 and the cleaning plate 262 move downward, and the bottom end of the cleaning plate 262 and the bottom end of the pressure roller 250 can press the glass tightly, and then the cleaning plate 262 and the pressure roller 250 can clean the glass by moving the gantry 240, so as to ensure the accuracy of the glass detection result; The side end of the outer wall of the glass placement seat 200 and the bottom end of the outer wall of the top plate 120 are both provided with quality inspection components for quality inspection of the glass, and the quality inspection components include a curved frame 300, and the two curved frames 300 are respectively arranged at the front and rear sides of the outer wall of the glass placement seat 200, and the front and rear ends of the outer wall of the glass placement seat 200 are fixed with a guide shell 310, and the front and rear ends of the inner wall of the guide shell 310 are rotatably connected with a second threaded rod 321, and the side end of the guide shell 310 and the position corresponding to the end of the second threaded rod 321 are fixed with a first drive motor 320, and the first drive motor The output shafts of 320 are fixedly connected to the ends of the second threaded rods 321. Specifically, the first drive motor 320 can be powered to drive the second threaded rods 321 to rotate. The bottom end of the curved frame 300 passes through the inner wall of the guide shell 310 and is fixed with a threaded slide. The inner wall of the threaded slide is threadedly connected to the outer wall of the second threaded rod 321. When the second threaded rod 321 rotates, it can drive the curved frame 300 to move left and right along the side wall of the guide shell 310 through the threaded slide, so that the position of the first inspection camera 340 can be adjusted. For left and right adjustment, a first electrically controlled slide 330 is provided at the top of the inner wall of the curved frame 300 and above the glass placement seat 200, and a first inspection camera 340 and a second inspection camera 350 for inspecting the glass quality are installed on the outer wall of the first electrically controlled slide 330 through an electric universal head, and the first inspection camera 340 and the second inspection camera 350 are respectively arranged under the two curved frames 300, specifically, the first electrically controlled slide 330 includes an electrically controlled movable slide that can slide on a guide rail, so that the electrically controlled movable slide can slide on the guide rail, so that the first inspection camera 340 and the second inspection camera 350 can slide back and forth at the bottom end of the first electrically controlled slide 330, and the electric universal head can drive the first inspection camera 340 to rotate and adjust in an energized manner, so that the detection angle of the first inspection camera 340 can be adjusted, and the first inspection camera 340 is provided for the purpose of initial verification of the glass, and the second inspection camera 350 is provided for secondary verification of the glass; The quality inspection component also includes a second electrically-controlled slide 400, which is fixed to the bottom end of the outer wall of the top plate 120 and is located above the glass placement seat 200. A strip plate 410 is slidably installed at the bottom end of the outer wall of the second electrically-controlled slide 400. The bottom end of the outer wall of the strip plate 410 is slidably connected to a third electrically-controlled slide 420. A third inspection camera 430 is installed at the bottom end of the outer wall of the third electrically-controlled slide 420 through an electric universal head. The second electrically-controlled slide 400 is provided to enable the strip plate 410 to move left and right at the bottom end of the top plate 120, and the third electrically-controlled slide 420 is provided to drive the third electrically-controlled slide 420 to move left and right. The three inspection cameras 430 move forward and backward, so that the angle of the third inspection camera 430 can be adjusted in four directions, which is convenient for positioning the glass review point. The first inspection camera 340 includes a shell, and a lens head 341 for detection is installed on the top of the inner wall of the shell. A rotating seat 342 is fixed at the side end of the outer wall of the shell and below the lens head 341. The rotating seat 342 is provided to provide a mounting point for one end of the annular plate 343. An annular plate 343 is provided on the side of the rotating seat 342 away from the shell, and a hinged plate 344 is fixed on the end of the annular plate 343 close to the rotating seat 342. 4 is arranged in the rotating seat 342, and the annular plate 343 can be rotated in the rotating seat 342 through the hinge plate 344, the outer wall of the hinge plate 344 is rotatably connected to the inner wall of the rotating seat 342 on the opposite side through the rotating shaft, and the second driving motor 345 is fixed to the bottom end of the outer wall of the rotating seat 342, and the top output shaft of the second driving motor 345 is fixed to the rotating shaft at the bottom end of the hinge plate 344, and the second driving motor 345 can be energized to drive the hinge plate 344 to rotate through the output shaft, so that the annular plate 343 can rotate in the rotating seat 342, and the top end of the outer wall of the annular plate 343 is fixed to the rotating shaft at the bottom end of the hinge plate 344. A cleaning cloth 346 is fixed, and avoidance grooves are opened at positions corresponding to the annular plate 343 in the shell. The bottom end of the outer wall of the lens head 341 abuts against the top surface of the cleaning cloth 346. The avoidance groove is opened to allow the annular plate 343 to rotate to the inside of the shell, so that the cleaning cloth 346 abuts against the bottom end of the lens head 341. The cleaning cloth 346 can wipe the bottom end of the lens head 341 when it rotates to the bottom of the lens head 341, and the cleaning cloth 346 can be compressed so that the cleaning cloth 346 can rotate to the bottom end of the lens head 341 and wipe the outer wall of the lens head 341.

[0021] The use process of the present invention is as follows: first, the personnel places the glass in the glass placement groove, and then pulls the second pressing block 230 upwards, and then the personnel can place one end of the glass under the second pressing block 230, and then release the second pressing block 230, and the second pressing block 230 can be moved downwards through the elastic pull rod 231, so that the second pressing block 230 can press one side of the glass, after completion, the personnel can first move the gantry 240 to the left, and then rotate the first threaded rod 263 to make the slide plate 260 press the cleaning plate 262 and the pressing roller 250 to move downwards, so that the bottom ends of the cleaning plate 262 and the pressing roller 250 can be pressed against the top of the glass, and then the personnel can move the gantry 240 to the left. The gantry 240 slides to the right, so that the cleaning plate 262 can clean the glass first, and then the pressure roller 250 can press the glass until the gantry 240 can move to the right side of the glass placement groove, and then the first threaded rod 263 is rotated to move the slide plate 260 downward, so that the pressure roller 250 presses the top of the right side of the glass under the action of the spring 261, and then the personnel can press down in the glass placement groove through the first pressure block 220, and the front and rear sides of the top of the glass are pressed by the first pressure block 220, and the side wall of the first pressure block 220 and the front and rear sides of the inner wall of the glass placement groove are provided with a certain damping to prevent the glass from shaking during the pressing process; After completion, the personnel can drive the first driving motor 320 corresponding to the curved frame 300 at the installation position of the first inspection camera 340, and then drive the second threaded rod 321 to rotate through the first driving motor 320, so that the curved frame 300 can move on the outer wall of the second threaded rod 321 through the threaded slide, so that the curved frame 300 can drive the first inspection camera 340 to move into place, and then the personnel can move the first inspection camera 340 to the inspection point through the first electric control slide 330, and then adjust the angle of the first inspection camera 340 through the electric universal head, and then the first inspection camera 340 obtains information about the glass through the lens head 341, and then the first inspection camera 340 will send the detected data to the PC end, so that the personnel can judge the integrity and defects of the glass through the PC end; When the first inspection camera 340 detects a defect first, the personnel can reset the first inspection camera 340, and then control another set of first drive motors 320 so that the second threaded rod 321 can drive another set of curved frames 300 and the second inspection camera 350 to move, so that the second inspection camera 350 can perform visual inspection and judgment in the above manner. If the second inspection camera 350 also detects a defect, the personnel can control the second electric control slide 400, the strip plate 410 and the third electric control slide 420 to move the third inspection camera 430 to the defect point of the glass, so that the third inspection camera 430 can perform visual judgment on the glass again. If both the second inspection camera 350 and the third inspection camera 430 determine that there are defects, it means that there is a problem with the glass. At this time, the personnel can remove the glass and then improve the process. After the first inspection camera 340, the second inspection camera 350 and the third inspection camera 430 have been used for a long time, the outer wall of the lens head 341 may be stuck with dust, and then the second driving motor 345 can be energized to drive the hinge plate 344 to rotate through the output shaft, so that the annular plate 343 can rotate in the rotating seat 342, and the rotating annular plate 343 can rotate to the bottom of the lens head 341 through the avoidance groove, so that the cleaning cloth 346 can wipe the bottom end of the lens head 341 to prevent dust from sticking to the lens head 341.

[0022] The above is only a preferred embodiment of the present invention. Any person skilled in the art may modify the present invention by using the above technical solution or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement made according to the technical solution of the present invention shall fall within the scope of protection claimed by the present invention.

Claims

1. A glass surface defect detection device, comprising a base (100), a side plate (110) being fixed to the rear side of the top end of the outer wall of the base (100), a top plate (120) being installed at the top end of the outer wall of the side plate (110), and a glass placement seat (200) for placing glass being arranged at the top end of the outer wall of the base (100), characterized in that: The side end of the outer wall of the glass placement seat (200) and the bottom end of the outer wall of the top plate (120) are both provided with quality inspection components for performing quality inspection on the glass; The top of the outer wall of the glass placement seat (200) is provided with a glass placement groove for placing glass, the left side of the inner wall of the glass placement seat (200) is movably connected to a second pressing block (230), the bottom end of the outer wall of the second pressing block (230) is slidably connected to an elastic pull rod (231), and the bottom end of the elastic pull rod (231) is fixed at a corresponding position to the bottom end of the inner wall of the glass placement seat (200); The inner wall of the glass placement seat (200) is slidably connected to a gantry (240), and sliders (241) are fixed to the front and rear sides of the bottom end of the outer wall of the gantry (240), and strip-shaped slide grooves (210) are provided at the bottom end of the inner wall of the glass placement groove and at positions corresponding to the sliders (241), and the outer walls of the sliders (241) are slidably connected to the inner walls of the strip-shaped slide grooves (210); The front and rear ends of the inner wall of the glass placement groove are both provided with a first pressing block (220) for pressing the glass, the upper sides of the front and rear ends of the inner wall of the gantry (240) are both slidably connected with a slide plate (260), the center of the top end of the outer wall of the slide plate (260) is rotatably connected with a first threaded rod (263), and the top end of the outer wall of the gantry (240) is threadedly connected to the outer wall of the first threaded rod (263) by providing a threaded hole; A spring (261) is fixed at the top end of the outer wall of the slide plate (260) and at the front and rear sides of the first threaded rod (263); the top end of the spring (261) is fixedly connected to a corresponding position of the top end of the inner wall of the gantry (240); a cleaning plate (262) for cleaning glass is fixed at the bottom end of the outer wall of the slide plate (260); a pressure roller (250) is arranged on the left side of the outer wall of the cleaning plate (262); the front and rear ends of the pressure roller (250) are fixed to the left side of the outer wall of the slide plate (260) via a connecting rod (251).

2. The glass surface defect detection device according to claim 1, characterized in that: The quality inspection component comprises a curved frame (300), wherein two curved frames (300) are respectively arranged on the front and rear sides of the outer wall of the glass placement seat (200), and a guide shell (310) is fixed at the front and rear ends of the outer wall of the glass placement seat (200), and the front and rear ends of the inner wall of the guide shell (310) are rotatably connected to the second threaded rod (321), and the first drive motor (320) is fixed at the side end of the guide shell (310) and at the position corresponding to the end of the second threaded rod (321), and the output shaft of the first drive motor (320) is fixedly connected to the end of the second threaded rod (321).

3. The glass surface defect detection device according to claim 2, characterized in that: A threaded slide is fixed to the bottom end of the curved frame (300) through the inner wall of the guide shell (310), and the inner wall of the threaded slide is threadedly connected to the outer wall of the second threaded rod (321). A first electric control slide (330) is provided at the top end of the inner wall of the curved frame (300) and above the glass placement seat (200). A first inspection camera (340) and a second inspection camera (350) for inspecting glass quality are installed on the outer wall of the first electric control slide (330) via an electric universal head. The first inspection camera (340) and the second inspection camera (350) are respectively provided below the two curved frames (300).

4. The glass surface defect detection device according to claim 1, characterized in that: The quality inspection component also includes a second electrically controlled slide (400), which is fixed to the bottom end of the outer wall of the top plate (120) and is located above the glass placement seat (200), and a strip plate (410) is slidably mounted on the bottom end of the outer wall of the second electrically controlled slide (400), and the bottom end of the outer wall of the strip plate (410) is slidably connected to a third electrically controlled slide (420), and a third inspection camera (430) is mounted on the bottom end of the outer wall of the third electrically controlled slide (420) via an electric universal head.

5. The glass surface defect detection device according to claim 3, characterized in that: The first inspection camera (340) comprises a shell, a lens head (341) for detection is installed on the top of the inner wall of the shell, a rotating seat (342) is fixed on the side end of the outer wall of the shell and below the lens head (341), an annular plate (343) is provided on the side of the rotating seat (342) away from the shell, a hinged plate (344) is fixed on one end of the annular plate (343) close to the rotating seat (342), and the hinged plate (344) is arranged in the rotating seat (342).

6. The glass surface defect detection device according to claim 5, characterized in that: The outer wall of the hinged plate (344) is rotatably connected to the inner wall of the rotating seat (342) on the opposite side via a rotating shaft; a second driving motor (345) is fixed to the bottom end of the outer wall of the rotating seat (342); the top output shaft of the second driving motor (345) is fixed to the rotating shaft at the bottom end of the hinged plate (344); a cleaning cloth (346) is fixed to the top end of the outer wall of the annular plate (343); a groove for avoiding penetration is provided at a position corresponding to the annular plate (343); and the bottom end of the outer wall of the lens head (341) is in contact with the top surface of the cleaning cloth (346).

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