Cleaning mechanism

Abstract

The invention provides a cleaning mechanism which comprises a mounting frame, a cleaning device and a vibration device, the cleaning device comprises a mounting plate, a cleaning part connected in the mounting plate and used for extending into an automatic focusing module, and a driving part used for driving the cleaning part to rotate, and the cleaning part is provided with an air blowing hole and an air suction hole. According to the cleaning mechanism, the automatic focusing module is placed on the vibration device, the vibration device vibrates the automatic focusing module to enable dust attached to the inner side of the automatic focusing module to fall off, the driving part drives the cleaning part to rotate and blow and suck air, the blowing hole blows air to accelerate falling off of the dust in the automatic focusing module, and meanwhile, the automatic focusing module is cleaned through the cleaning part. The air suction hole sucks air to suck dust in the automatic focusing module, so that the automatic focusing module is not required to be washed by water, the problem that the optical lubricating grease is diluted or washed away by water when the automatic focusing module is washed by water is effectively avoided, the step of adding the optical lubricating grease to the automatic focusing module for the second time is prevented, and the automatic focusing module is smoother to use.

Description

Technical Field

[0001] The present invention relates to the field of cleaning technology, and particularly to a cleaning mechanism. Background Art

[0002] An autofocus module is an important function in modern cameras and optical systems. It can automatically adjust the focal length of the lens so that the object being photographed forms a clear image on the sensor. Autofocus technology is widely used in fields such as smartphones, digital cameras, and surveillance cameras, greatly improving the convenience of shooting and the imaging quality. Its core goal is to adjust the position of the lens so that the object being photographed forms the clearest image on the sensor.

[0003] In the prior art, before the autofocus module is assembled after being prepared, the dust on the surface is cleaned. Usually, water is used to clean the autofocus module. Since there is optical grease in the autofocus module, during the cleaning process with water, the optical grease may be diluted or washed away, resulting in insufficient optical grease in the autofocus module, and thus the autofocus module runs smoothly.

[0004] Therefore, a cleaning mechanism is needed to solve the above technical problems. Summary of the Invention

[0005] The present invention provides a cleaning mechanism to solve the problem in the prior art that when the autofocus module is usually cleaned with water, the water flushing is likely to dilute or wash away the optical grease in the autofocus module, resulting in the autofocus module running smoothly.

[0006] To solve the above technical problems, the technical solution of the present invention is: a cleaning mechanism for cleaning an autofocus module, including a mounting frame, a cleaning device connected to the top of the mounting frame, and a vibration device connected inside the mounting frame and capable of lifting and lowering below the cleaning device. The autofocus module is placed on the top of the vibration device. The cleaning device includes a mounting plate, a cleaning member connected inside the mounting plate and used to extend into the autofocus module, and a driving member used to drive the cleaning member to rotate. The cleaning member is provided with air blowing holes and air suction holes. When the driving member drives the cleaning member to rotate, the air blowing holes in the cleaning member rotate to blow air to stir the dust in the autofocus module, and the air suction holes suck the dust in the autofocus module.

[0007] In the present invention, multiple groups of the cleaning members are provided and arranged in a matrix; The cleaning device is further provided with a synchronous belt, which is respectively connected to the driving member and multiple groups of the cleaning members. The driving member drives the synchronous belt to drive multiple groups of the cleaning members to rotate simultaneously.

[0008] In the present invention, the cleaning member includes a nozzle and an interface located at the top of the nozzle for connecting an external air pipe to supply air to the nozzle for blowing. The air blowing holes and the air suction holes are both provided on the nozzle. A first channel communicating with the air suction hole is also provided on the nozzle. The interface communicates with the air suction hole through a second channel. The first channel and the second channel are not in communication with each other. The other end of the first channel is a dust discharge port located on the side wall of the nozzle. The nozzle includes a main body and an extension column provided at the lower part of the main body and for extending into the autofocus module. The air blowing holes and the air suction holes are both located on the side wall of the extension column. The dust discharge port is located on the main body. The outer diameter of the extension column is smaller than the outer diameter of the main body. During cleaning, the extension column extends into the autofocus module.

[0009] In the present invention, two air blowing holes are provided, and both of the two air blowing holes are located on the side wall of the extension column.

[0010] In the present invention, two sets of bearings are further provided on the cleaning member. Two limiting plates are provided on the periphery of the nozzle, and the two sets of bearings are respectively attached to the two limiting plates.

[0011] In the present invention, a plurality of mounting holes for placing the nozzle are provided in the mounting plate, and the bearings are attached to the side walls of the mounting holes. The mounting plate is further provided with a positioning plate for limiting the cleaning member in the mounting hole.

[0012] In the present invention, a protective cover is further provided on the mounting plate. A fixer for fixing the air pipe connected to the cleaning member is provided at the top of the protective cover.

[0013] In the present invention, the vibration device includes a first cylinder connected to the bottom of the mounting frame, a first fixing plate connected to the first cylinder, and a high-frequency vibrator connected to the first fixing plate. The autofocus module is connected to the high-frequency vibrator.

[0014] In the present invention, a second cylinder is provided on the first fixing plate, guide rails respectively located on both sides of the second cylinder and connected to the first fixing plate, and a second fixing plate connected to the second cylinder and movable on the guide rails. The high-frequency vibrator is connected to the second fixing plate.

[0015] In the present invention, a material placing plate is further provided above the high-frequency vibrator. A limiting block for limiting and placing the tray of the autofocus module is provided in the material placing plate.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: In the cleaning mechanism of the present invention, the autofocus module is placed on the vibration device, and the vibration device vibrates the autofocus module to make the dust attached to the inner side of the autofocus module fall off. The driving member drives the cleaning member to rotate and blow air and suck air. The air blowing holes blow air to accelerate the dust falling off in the autofocus module. At the same time, the suction holes suck air to suck the dust in the autofocus module. It eliminates the use of water to wash the autofocus module, effectively avoids the problem that the optical grease is diluted or washed away by water when the autofocus module is washed with water, and prevents the step of adding optical grease to the autofocus module again, making the autofocus module smoother to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following briefly introduces the drawings required to be used in the embodiments. The drawings described below are only the corresponding drawings of some embodiments of the present invention.

[0018] Figure 1 is a three-dimensional Figure 1 .

[0019] Figure 2 is a three-dimensional Figure 2 .

[0020] Figure 3 is a three-dimensional view of the cleaning device of the cleaning mechanism of the present invention.

[0021] Figure 4 is an exploded view of the cleaning device of the cleaning mechanism of the present invention.

[0022] Figure 5 is a three-dimensional view of the cleaning member of the cleaning mechanism of the present invention.

[0023] Figure 6 is a top view of the air nozzle of the cleaning mechanism of the present invention.

[0024] Figure 7 is Figure 6 the cross-sectional view taken along the cutting line A-A in

[0025] Figure 8 is a three-dimensional view of the vibration device of the cleaning mechanism of the present invention.

[0026] 11. Mounting bracket; 12. Vibration device; 13. Cleaning device; 131. Protective cover; 132. Fixator; 133. Mounting plate; 134. Driving member; 135. Cleaning member; 136. Synchronous belt; 137. Limiting plate; 138. Air pipe joint; 139. Bearing; 1331. Mounting hole; 1351. Interface; 1352. Air nozzle; 1353. First channel; 1354. Second channel; 1355. Dust discharge port; 1356. Suction hole; 1357. Blowing hole; 1358. Positioning plate; 1359. Extension column; 121. First cylinder; 122. First fixing plate; 123. Guide rail; 124. Second fixing plate; 125. High-frequency vibrator; 126. Feeding plate. Detailed implementation manners

[0027] To make the objectives, technical solutions and advantages of the embodiments of the present disclosure clearer, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. Apparently, the described embodiments are only a part rather than all of the embodiments of the present disclosure. All other embodiments obtained by those of ordinary skill in the art based on the described embodiments of the present disclosure without creative efforts shall fall within the scope of protection of the present disclosure.

[0028] Unless otherwise defined, the technical terms or scientific terms used herein shall have the ordinary meanings as understood by those of ordinary skill in the art to which the present disclosure pertains.

[0029] The terms "first", "second" and similar terms used in the specification and claims of the present patent application of the present disclosure do not denote any order, quantity or importance, but are only used to distinguish different components. The terms such as "including" or "comprising" mean that the elements or items appearing before "including" or "comprising" cover the elements or items listed after "including" or "comprising" and their equivalents, without excluding other elements or items. The terms such as "connected" or "coupled" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The terms such as "upper", "lower", "left" and "right" are only used to represent relative positional relationships, and when the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0030] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Apparently, the described embodiments are only a part rather than all of the embodiments of the present invention. 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 scope of protection of the present invention.

[0031] The following is a preferred embodiment of a cleaning mechanism provided by the present invention that can solve the above technical problems.

[0032] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 wherein Figure 1 is the three-dimensional Figure 1 of the cleaning mechanism of the present invention, Figure 2 is the three-dimensional Figure 2 of the cleaning mechanism of the present invention, Figure 3 is the three-dimensional view of the cleaning device of the cleaning mechanism of the present invention, Figure 4 is the exploded view of the cleaning device of the cleaning mechanism of the present invention, Figure 5 is the three-dimensional view of the cleaning part of the cleaning mechanism of the present invention.

[0033] In the figure, units with similar structures are denoted by the same reference numerals.

[0034] In the terms of the present invention, words such as "first" and "second" are only for descriptive purposes and cannot be construed as indicating or implying relative importance, nor as limiting the order of precedence.

[0035] A cleaning mechanism provided by the present invention is used for cleaning an auto-focus module, and includes a mounting bracket 11, a cleaning device 13 connected to the top of the mounting bracket 11, and a vibration device 12 connected inside the mounting bracket 11 and lifting below the cleaning device 13. The auto-focus module is placed on the top of the vibration device 12. The cleaning device 13 includes a mounting plate 133, a cleaning part 135 connected inside the mounting plate 133 and used to extend into the auto-focus module, and a driving part 134 used to drive the cleaning part 135 to rotate. The cleaning part 135 is provided with a blowing hole 1357 and a suction hole 1356. When the driving part 134 drives the cleaning part 135 to rotate, the blowing hole 1357 in the cleaning part 135 rotates to blow air to stir the dust in the auto-focus module, and the suction hole 1356 sucks the dust in the auto-focus module. The mounting bracket 11 is used to fix the cleaning device 13 and the vibration device 12. The vibration device 12 is used to vibrate the auto-focus module to loosen or shed the dust adhering to the inner surface of the auto-focus module. The cleaning device 13 is used to blow air into the auto-focus module to further shed the dust adsorbed on the surface of the auto-focus module. At the same time, the dust in the auto-focus module is suspended, facilitating the cleaning device 13 to adsorb the suspended dust to achieve the cleaning effect.

[0036] When cleaning the autofocus module, first, place the autofocus module in the vibration device 12, and drive the vibration device 12 to approach the cleaning device 13. When the cleaning part 135 is located inside the autofocus module, the vibration device 12 vibrates. During the vibration of the vibration device 12, the dust attached inside the autofocus module falls off. At the same time, the driving part 134 drives the cleaning part 135 to rotate. While the cleaning part 135 is rotating, the air blowing holes 1357 of the cleaning part 135 blow air towards the inside of the autofocus module. On the one hand, it is used to further clean the dust attached inside the autofocus module. On the other hand, it is used to suspend the dust inside the autofocus module. The air suction holes 1356 of the cleaning part 135 simultaneously suck, taking the dust inside the autofocus module away from the autofocus module, thereby achieving the effect of cleaning the autofocus module, avoiding directly washing the autofocus module with water, effectively avoiding the problem that the optical grease is diluted or washed away when the autofocus module is washed with water, preventing the step of adding optical grease to the autofocus module again, and making the autofocus module operate more smoothly when in use.

[0037] In this embodiment, the driving part 134 can be a motor, but is not limited to only using a motor.

[0038] Multiple groups of cleaning parts 135 are provided and arranged in a matrix. The cleaning device 13 is also provided with a synchronous belt 136. The synchronous belt 136 is respectively connected to the driving part 134 and multiple groups of cleaning parts 135. The driving part 134 drives the synchronous belt 136 to drive multiple groups of cleaning parts 135 to rotate simultaneously. The synchronous belt 136 is used for the driving part 134 to drive multiple groups of cleaning parts 135 to rotate simultaneously, and can clean multiple autofocus modules at the same time, thereby improving the cleaning efficiency.

[0039] Please refer to Figure 6 and Figure 7 , Figure 6 which is the top view of the air nozzle of the cleaning mechanism of the present invention. Figure 7 is Figure 6A cross-sectional view taken along the cutting line A-A. The cleaning part 135 includes a nozzle 1352 and an interface 1351 located at the top of the nozzle 1352 for connecting an air pipe to supply air for the nozzle 1352 to blow air; a blowing hole 1357 and a suction hole 1356 are both provided on the nozzle 1352. A first channel 1353 communicating with the suction hole 1356 is also provided on the nozzle 1352. The interface 1351 and the suction hole 1356 are communicated through a second channel 1354. The first channel 1353 and the second channel 1354 are not communicated with each other. The other end of the first channel 1353 is a dust discharge port 1355 located on the side wall of the nozzle 1352; the nozzle 1352 includes a main body and an extension column 1359 provided at the lower part of the main body and for extending into the autofocus module. The blowing hole 1357 and the suction hole 1356 are both located on the side wall of the extension column 1359. The dust discharge port 1355 is located on the main body. The outer diameter of the extension column 1359 is smaller than the outer diameter of the main body. During cleaning, the extension column 1359 extends into the autofocus module. The extension column 1359 is used to extend into the autofocus module, facilitating the cleaning part 135 to blow air into the autofocus module. At the same time, it also facilitates the suction hole 1356 to suck out the dust in the autofocus module. When blowing air into the autofocus module, the external gas enters the second channel 1354 through the interface 1351 and then blows out from the blowing hole 1357. When removing the dust in the autofocus module, an external device sucks air through the dust discharge port 1355, and the dust passes through the first channel 1353 from the suction hole 1356 and is discharged from the dust discharge port 1355.

[0040] In this embodiment, the area of the blowing hole 1357 is smaller than the area of the suction hole 1356, which is used to increase the wind force intensity blown out by the blowing hole 1357 and further strengthen the intensity of cleaning the dust attached in the autofocus module.

[0041] There are two blowing holes 1357, and both of the two blowing holes 1357 are located on the side wall of the extension column 1359. The two blowing holes 1357 can increase the area of blowing air into the autofocus module, thereby accelerating the dust removal efficiency of the autofocus module.

[0042] The cleaning part 135 is also provided with two groups of bearings 139. Two limiting plates 137 are provided on the peripheral side of the nozzle 1352. The two groups of bearings 139 are respectively attached to the two limiting plates 137. The bearings 139 are used to facilitate the stable rotation of the nozzle 1352 in the mounting plate 133. At the same time, the bearings 139 are attached to the limiting plates 137, and the limiting plates 137 are used to limit the bearings 139 to prevent the two groups of bearings 139 from being attached, so as to limit the position of the bearings 139. The two groups of bearings 139 ensure the stable rotation of the upper and lower parts of the nozzle 1352, prevent the problem of the nozzle 1352 being skewed, and make the air blown by the nozzle 1352 more uniform when blowing air into the autofocus module.

[0043] The mounting plate 133 is provided with a plurality of mounting holes 1331 for placing the air nozzles 1352, and the bearing 139 is in contact with the side wall of the mounting hole 1331; the mounting plate 133 is further provided with a positioning plate 1358 for limiting the cleaning member 135 within the mounting hole 1331. The mounting hole 1331 is used for mounting the cleaning member 135, and the positioning plate 1358 is used for fixing the cleaning member 135 to prevent the cleaning member 135 from separating from the mounting plate 133. Meanwhile, when the air nozzle 1352 rotates, the bearing 139 can effectively stabilize the rotation of the air nozzle 1352.

[0044] In this embodiment, the mounting plate 133 is further provided with a plurality of air pipe connectors 138 for connecting external air pipes, so as to facilitate the connection between the external air pipes and the dust exhaust ports 1355 of the air nozzles 1352.

[0045] A protective cover 131 is provided on the mounting plate 133. A fixer 132 for fixing the air pipe connected to the cleaning member 135 is provided at the top of the protective cover 131. The protective cover 131 is used to enclose the cleaning device 13 to prevent the driving member 134 from posing a potential threat to people when driving the cleaning device 13, making the processing safer. The fixer 132 is used to fix the air pipe to avoid the air pipe getting tangled.

[0046] In this embodiment, a fixing groove for connecting the synchronous belt 136 is further provided on the periphery of the air nozzle 1352. The fixing groove is used to connect the synchronous belt 136. When the driving member 134 drives the synchronous belt 136 to rotate, the synchronous belt 136 simultaneously drives the pair of cleaning members 135 to rotate.

[0047] Please refer to Figure 8 , Figure 8 , which is a perspective view of the vibration device of the cleaning mechanism of the present invention. The vibration device 12 includes a first cylinder 121 connected to the bottom of the mounting frame 11, a first fixing plate 122 connected to the first cylinder 121, and a high-frequency vibrator 125 connected to the first fixing plate 122. The autofocus module is connected to the high-frequency vibrator 125. The first cylinder 121 is used to drive the first fixing plate 122 to move up and down, and the first fixing plate 122 drives the high-frequency vibrator 125 to move up and down, so that the high-frequency vibrator 125 drives the autofocus module to move away from or close to the cleaning device 13.

[0048] A second cylinder is provided on the first fixing plate 122, guide rails 123 connected to the first fixing plate 122 and located on both sides of the second cylinder respectively, and a second fixing plate 124 connected to the second cylinder and movable on the guide rails 123. The high-frequency vibrator 125 is connected to the second fixing plate 124. The second cylinder is used to drive the second fixing plate 124 to move horizontally, so as to withdraw the high-frequency vibrator 125 from below the cleaning device 13, facilitating the taking of the cleaned autofocus module or the replacement of the uncleaned autofocus module.

[0049] Above the high-frequency vibrator 125, a feeding plate 126 is further provided. The feeding plate 126 is provided with a limiting block for limiting the placement of the tray for the automatic focusing module. The feeding plate 126 is used to place the tray, the tray is used to place a plurality of automatic focusing modules, and the limiting block is used to limit the tray to prevent the tray from moving and avoid damaging the automatic focusing module.

[0050] In this embodiment, the feeding plate 126 is further provided with a suction nozzle for fixing the material box, which further prevents the tray from shaking or moving in the feeding plate 126.

[0051] Working principle: When cleaning the automatic focusing module, first, the second cylinder drives the second fixing plate 124 to move in the length direction of the second fixing plate 124 to withdraw from the position below the cleaning device 13. Place a plurality of automatic focusing modules in the tray and place the tray in the feeding plate 126. The limiting block in the feeding plate 126 limits the material box, and at the same time, the suction nozzle fixes the material box. Further, after the feeding is completed, the second cylinder drives the second fixing plate 124 to move below the cleaning device 13, and the second fixing plate 124 moves along the guide rail 123 to below the cleaning device 13. When the material box enters the set position below the cleaning device 13, the first cylinder 121 drives the first fixing plate 122 to move towards the cleaning device 13. Since the guide rail 123, the second fixing plate 124, the high-frequency vibrator 125, and the feeding plate 126 are all located on the first fixing plate 122, when the first fixing plate 122 moves, they all move with the first fixing plate 122. When the extension column 1359 of the air nozzle 1352 is located behind the automatic focusing module, the first cylinder 121 stops moving.

[0052] Further, the high-frequency vibrator 125 vibrates and drives the material discharging plate 126 to vibrate. When the material discharging plate 126 vibrates, it drives the material box and the auto-focus module to vibrate. When the auto-focus module vibrates, the dust attached to the inner side of the auto-focus module can be shaken off. At the same time, the driving member 134 drives the synchronous belt 136 to rotate. When the synchronous belt 136 rotates, since the synchronous belt 136 is connected in the fixing groove of the air nozzle 1352, the synchronous belt 136 drives multiple groups of air nozzles 1352 to rotate simultaneously when it rotates. During the rotation of the air nozzle 1352, an external device supplies air to the air nozzle 1352, so that the gas passes through the second channel 1354 of the air nozzle 1352 and blows out from the air blowing hole 1357. At the same time, the external device sucks air from the dust exhaust port 1355 through the first channel 1353 from the air suction hole 1356 to suck out the dust in the auto-focus module. Since the air nozzle 1352 blows and sucks air during rotation, when rotating and blowing air, on the one hand, it can remove the dust in the auto-focus module to the greatest extent, and on the other hand, it makes the dust in the auto-focus module suspended, so that it is convenient for the air suction hole 1356 to suck away the dust. When the cleaning is completed, the first cylinder 121 drives the first fixing plate 122 to descend, so that the material discharging plate 126 moves away from the cleaning device 13. The second cylinder starts to drive the second fixing plate 124 to move, so that the material discharging plate 126 withdraws from below the cleaning device 13, which is convenient for taking the cleaned auto-focus module and replacing the auto-focus module that needs to be cleaned. Through the above operations, the step of directly washing the auto-focus module with water is omitted, effectively avoiding the problem that the optical grease is diluted or washed away by water when the auto-focus module is washed with water, preventing the step of adding optical grease to the auto-focus module again, and making the auto-focus module smoother to use.

[0053] The cleaning mechanism of this preferred embodiment places the auto-focus module on the vibrating device, and the vibrating device vibrates the auto-focus module to make the dust attached to the inner side of the auto-focus module fall off. The driving member drives the cleaning member to rotate and blow and suck air. The air blowing hole blows air to accelerate the falling off of the dust in the auto-focus module. At the same time, the air suction hole sucks air to suck out the dust in the auto-focus module. The step of using water to wash the auto-focus module is omitted, effectively avoiding the problem that the optical grease is diluted or washed away by water when the auto-focus module is washed with water, preventing the step of adding optical grease to the auto-focus module again, and making the auto-focus module smoother to use.

[0054] In summary, although the present invention has been disclosed above with the preferred embodiments, the above preferred embodiments are not intended to limit the present invention. Those of ordinary skill in the art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention is subject to the scope defined by the claims.

Claims

1. A cleaning mechanism for cleaning an autofocus module, characterized in that: The utility model comprises a mounting frame, a cleaning device connected to the top of the mounting frame, and a vibration device connected to the mounting frame and capable of being raised and lowered below the cleaning device. The autofocus module is placed on the top of the vibration device. The cleaning device comprises a mounting plate, a cleaning member connected to the mounting plate and used for extending into the autofocus module, and a driving member used for driving the cleaning member to rotate. The cleaning member is provided with a blowing hole and an air suction hole. When the driving member drives the cleaning member to rotate, the blowing hole in the cleaning member rotates to blow air to stir the dust in the autofocus module, and the air suction hole absorbs the dust in the autofocus module.

2. The cleaning mechanism according to claim 1, characterized in that: The cleaning elements are provided in multiple groups and arranged in a matrix; The cleaning device is further provided with a synchronous belt, which is respectively connected to the driving member and the multiple groups of cleaning members, and the driving member drives the synchronous belt to drive the multiple groups of cleaning members to rotate simultaneously.

3. The cleaning mechanism according to claim 1, characterized in that: The cleaning member comprises an air nozzle and an interface located at the top of the air nozzle for connecting an external air pipe for blowing air from the air nozzle; The blowing hole and the suction hole are both arranged on the air nozzle, and the air nozzle is also provided with a first channel which is connected with the suction hole, the interface is connected with the suction hole through a second channel, the first channel is not connected with the second channel, and the other end of the first channel is a dust exhaust port located on the side wall of the air nozzle; The air nozzle includes a main body and an extension column arranged at the lower part of the main body and used to extend into the autofocus module, the blowing hole and the suction hole are both located on the side wall of the extension column, the dust exhaust port is located on the main body, the outer diameter of the extension column is smaller than the outer diameter of the main body, and the extension column extends into the autofocus module during cleaning.

4. The cleaning mechanism according to claim 3, characterized in that: There are two blowing holes, and both of them are located on the side wall of the extension column.

5. The cleaning mechanism according to claim 3, characterized in that: The cleaning member is further provided with two groups of bearings, and two limiting plates are provided on the peripheral side of the air nozzle, and the two groups of bearings are respectively attached to the two limiting plates.

6. The cleaning mechanism according to claim 5, characterized in that: The mounting plate is provided with a plurality of mounting holes for placing the air nozzles, and the bearings are fitted with the side walls of the mounting holes; The mounting plate is also provided with a positioning plate for limiting the cleaning member in the mounting hole.

7. The cleaning mechanism according to claim 3, characterized in that: The mounting plate is also provided with a protective cover, and the top of the protective cover is provided with a fixer for fixing the air pipe connected to the cleaning piece.

8. The cleaning mechanism according to any one of claims 1 to 7, characterized in that: The vibration device includes a first cylinder connected to the bottom of the mounting frame, a first fixing plate connected to the first cylinder, and a high-frequency exciter connected to the first fixing plate, and the autofocus module is connected to the high-frequency exciter.

9. The cleaning mechanism according to claim 8, characterized in that: The first fixed plate is provided with a second cylinder, guide rails connected to the first fixed plate and located on both sides of the second cylinder, and a second fixed plate connected to the second cylinder and movable on the guide rails, and the high-frequency exciter is connected to the second fixed plate.

10. The cleaning mechanism according to claim 8, characterized in that: A material discharge plate is also arranged above the high-frequency exciter, and a limiting block for placing a material tray of the autofocus module at a limited position is arranged in the material discharge plate.

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