Lens assembly positioning mechanism and lens assembly equipment

Abstract

The utility model discloses a lens assemblage positioning mechanism and lens assembly equipment, the lens assemblage positioning mechanism comprises a positioning base and a positioning clamping jaw, the positioning base comprises a positioning rotating shaft and a first driving assembly, one end of the positioning rotating shaft is provided with a positioning surface, the positioning surface is suitable for abutting against a lens, the positioning rotating shaft is provided with a vacuum channel, and the positioning clamping jaw is provided with a second driving assembly. The vacuum channel is suitable for communicating an external vacuum air source and the lens. The first driving assembly is suitable for driving the positioning rotating shaft to rotate. The positioning clamping jaw is arranged above the positioning surface along the axis direction of the positioning rotating shaft; the positioning clamping jaw is used for automatically clamping and positioning to improve the positioning precision of the lens cone; and the first driving assembly is used for driving the positioning rotating shaft to rotate by any angle to adapt to the mounting angles of different materials in the lens cone or the dispensing requirements of different angles, and the lens cone is rotated to the required angle in advance when the materials are carried, so that the assembling efficiency of the lens is effectively improved.

Description

Technical Field

[0001] This utility model relates to the technical field of lens assembly equipment, and in particular to a lens assembly positioning mechanism and lens assembly equipment. Background Technology

[0002] In related technologies, lens assembly requires the use of lens assembly jigs. However, existing lens assembly jigs require manual placement of the lens into the positioning base of the jig, resulting in low lens positioning accuracy and low lens assembly efficiency. Utility Model Content

[0003] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a lens assembly and positioning mechanism and a lens assembly device, which can improve the positioning accuracy of the lens on the positioning base by using positioning claws to cooperate with the positioning base, and eliminates the need for manual positioning, thus automating the lens assembly and positioning to improve lens assembly efficiency.

[0004] On one hand, this utility model embodiment provides a lens assembly and positioning mechanism, including:

[0005] The positioning base includes a positioning shaft and a first driving component. One end of the positioning shaft is provided with a positioning surface, which is adapted to abut against a lens. The positioning shaft is provided with a vacuum channel, which is adapted to connect an external vacuum source with the lens. The first driving component is adapted to drive the positioning shaft to rotate.

[0006] A positioning gripper is disposed above the positioning surface along the axial direction of the positioning shaft. The positioning gripper is adapted to hold the lens so that the rotation axis of the lens corresponds to the rotation axis of the positioning shaft.

[0007] According to some embodiments of the present invention, the positioning gripper includes a moving module and two clamping modules, the clamping modules being adapted to engage and clamp the lens under the drive of the moving module;

[0008] The clamping module includes a limiting clamping arm, a first adjusting block, a second adjusting block, a first adjusting component, and a second adjusting component. The limiting clamping arm is slidably connected to the first adjusting block along a first direction, and the first adjusting block is slidably connected to the second adjusting block along a second direction. The first direction and the second direction are set at an angle. The first adjusting component is connected between the limiting clamping arm and the first adjusting block and is adapted to limit and fix the positions of the limiting clamping arm and the first adjusting block. The second adjusting component is connected between the first adjusting block and the second adjusting block and is adapted to limit and fix the positions of the first adjusting block and the second adjusting block.

[0009] According to some embodiments of the present invention, the first end and the second end of the first adjusting block are respectively provided with dovetail grooves, the limiting clamping arm is slidably connected to the dovetail groove of the first end, and the second adjusting block is slidably connected to the dovetail groove of the second end.

[0010] According to some embodiments of the present invention, the first adjusting component has the same structure as the second adjusting component. The first adjusting component includes a first adjusting rod, one end of which is adapted to abut against one of the limiting clamp arm and the first adjusting block. The other of the limiting clamp arm and the first limiting block is threadedly connected to the first adjusting rod.

[0011] According to some embodiments of the present invention, the first adjustment component further includes a first elastic element, the two ends of which are respectively connected to the limiting clamping arm and the first adjustment block.

[0012] According to some embodiments of the present invention, the limiting clamping arm includes a detachably connected clamping head and a clamping arm portion, the clamping arm portion being slidably connected to the first adjusting block, and the clamping head being adapted to clamp the lens.

[0013] According to some embodiments of the present invention, the moving module includes a moving track and a second driving component, the moving track being parallel to the positioning surface and slidably connected to the clamping module;

[0014] The second drive assembly includes a drive cylinder and a connecting block. The connecting block is connected to the movable end of the drive cylinder. One of the connecting block and the clamping module is provided with a sliding groove, and the other is provided with a limiting protrusion that is inserted into the sliding groove. The limiting protrusion is adapted to move along the extension direction of the sliding groove.

[0015] The slide groove is set at an angle to the moving track, and the slide grooves of different clamping modules are symmetrically arranged on both sides of the extension and retraction direction of the drive cylinder.

[0016] According to some embodiments of the present invention, the vacuum channel includes a main vacuum channel and a vacuum breaking channel. The outlet of the main vacuum channel is located on the positioning surface, and the vacuum breaking channel connects the main vacuum channel to the outside.

[0017] According to some embodiments of the present invention, the first driving component includes a drive motor and a synchronous belt, wherein the synchronous belt is wound around the output shaft of the drive motor and the positioning shaft.

[0018] On the other hand, this utility model embodiment also provides a lens assembly device, including the lens assembly and positioning mechanism as described above.

[0019] The present invention has at least the following beneficial effects: by setting positioning claws to assist in positioning the lens barrel on the positioning surface, the shortcomings of traditional lens assembly positioning mechanisms, which rely on manual placement of the lens barrel, are eliminated. The positioning claws automatically clamp and position the lens barrel, which not only improves the positioning accuracy of the lens barrel but also enhances the automation level of the lens assembly positioning mechanism, making it suitable for application in fully automated lens assembly equipment. Furthermore, the first drive component drives the positioning shaft to rotate at any angle, adapting to the installation angle of different materials in the lens barrel or the dispensing requirements at different angles. By pre-rotating the lens barrel to the required angle during material handling, the assembly efficiency of the lens is effectively improved.

[0020] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0021] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0022] Figure 1 This is a schematic diagram of the lens assembly and positioning mechanism according to an embodiment of the present utility model;

[0023] Figure 2 This is one of the structural schematic diagrams of the positioning gripper of the lens assembly positioning mechanism according to an embodiment of the present utility model;

[0024] Figure 3 This is a second schematic diagram of the positioning gripper of the lens assembly positioning mechanism according to an embodiment of the present utility model.

[0025] Figure 4 This is a schematic diagram of the positioning shaft of the lens assembly positioning mechanism according to an embodiment of the present invention.

[0026] Figure label:

[0027] 100. Positioning base; 110. Positioning shaft; 111. Vacuum channel; 1111. Main vacuum channel; 1112. Vacuum breaking channel; 120. First drive assembly; 121. Drive motor; 122. Synchronous belt;

[0028] 200. Positioning gripper; 210. Moving module; 211. Moving track; 212. Second drive assembly; 2121. Drive cylinder; 2122. Connecting block; 220. Clamping module; 221. Limiting gripper arm; 2211. Grip head; 2212. Grip arm; 222. First adjusting block; 223. Second adjusting block; 224. First adjusting assembly; 2241. First adjusting rod; 2242. First elastic element; 225. Second adjusting assembly; 2251. Second adjusting rod; 2252. Second elastic element; 226. Slide groove. Detailed Implementation

[0029] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0030] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0031] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first," "second," etc., are used in the description, they are only for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the sequential relationship of the indicated technical features.

[0032] In the description of this utility model, unless otherwise explicitly defined, the terms "setting", "installation", "connection", etc. should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in combination with the specific content of the technical solution.

[0033] Please refer to Figure 1 and Figure 4As shown, this embodiment discloses a lens assembly positioning mechanism, including a positioning base 100 and a positioning gripper 200. The positioning base 100 includes a positioning shaft 110 and a first drive assembly 120. One end of the positioning shaft 110 is provided with a positioning surface, which is adapted to abut against the lens. The positioning shaft 110 is provided with a vacuum channel 111, which is adapted to connect an external vacuum source and the lens. The first drive assembly 120 is adapted to drive the positioning shaft 110 to rotate. The positioning gripper 200 is arranged above the positioning surface along the axial direction of the positioning shaft 110. The positioning gripper 200 is adapted to hold the lens so that the rotation axis of the lens corresponds to the rotation axis of the positioning shaft 110.

[0034] According to the lens assembly positioning mechanism of this utility model embodiment, when there is a need for lens assembly, the lens barrel is placed on the positioning surface of the positioning shaft 110. The positioning surface is in contact with the lens barrel to achieve positioning in the Z direction height shown in the figure. The positioning claw 200 clamps the lens barrel to position it in the XY plane shown in the figure. After positioning, the negative pressure gas in the vacuum channel 111 adsorbs the lens barrel and fixes it to the positioning shaft 110. During the lens assembly process, the positioning shaft 110 is rotated to different angles under the drive of the first driving component 120 to meet the assembly requirements of different components in the lens barrel or the dispensing requirements of different angles.

[0035] According to the lens assembly positioning mechanism of this utility model embodiment, the positioning gripper 200 assists in positioning the lens barrel on the positioning surface, eliminating the shortcomings of traditional lens assembly positioning mechanisms that require manual placement of the lens barrel. The positioning gripper 200 automatically clamps and positions the lens barrel, which not only improves the positioning accuracy of the lens barrel but also enhances the automation level of the lens assembly positioning mechanism, making it suitable for application in fully automated lens assembly equipment. Furthermore, the first drive component 120 drives the positioning shaft 110 to rotate at any angle, adapting to the installation angle of different materials in the lens barrel or the dispensing requirements at different angles. By pre-rotating the lens barrel to the required angle during material handling, the assembly efficiency of the lens is effectively improved.

[0036] In this embodiment, a bearing is sleeved on the outer side of the positioning shaft 110 to improve the rotational stability of the positioning shaft 110. The bearing can be an angular contact bearing. The two bearings are installed back to back. An annular washer is filled between the bearings to increase the rotational rigidity of the positioning shaft 110, improve the rotational positioning accuracy, and achieve an overall assembly accuracy of less than or equal to 0.005 mm, with a production capacity of 140 units per hour.

[0037] In some embodiments, combined with Figures 1 to 3As shown, the positioning gripper 200 includes a moving module 210 and two clamping modules 220. The clamping modules 220 are adapted to clamp the lens under the drive of the moving module 210. The clamping modules 220 include a limiting arm 221, a first adjusting block 222, a second adjusting block 223, a first adjusting component 224, and a second adjusting component 225. The limiting arm 221 is slidably connected to the first adjusting block 222 along a first direction (Y direction in the figure). The first adjusting block 222 is slidably connected to the second adjusting block 223 along a second direction (X direction in the figure). The first direction and the second direction are set at an angle. The first adjusting component 224 is connected between the limiting arm 221 and the first adjusting block 222 and is adapted to limit and fix the position of the limiting arm 221 and the first adjusting block 222. The second adjusting component 225 is connected between the first adjusting block 222 and the second adjusting block 223 and is adapted to limit and fix the position of the first adjusting block 222 and the second adjusting block 223.

[0038] In this embodiment, the lens assembly and positioning mechanism needs to be debugged before operation to ensure that the center of the lens held by the clamping module 220 corresponds to the center of the positioning shaft 110. Specifically, the operator can pre-position the lens barrel for debugging on the positioning shaft 110 for adsorption and fixation. After completion, the moving module 210 is controlled to drive the two clamping modules 220 to move together until they contact the lens barrel and can no longer move. At this time, due to the influence of the assembly accuracy of the internal components of the clamping module 220, there is a gap between the limiting clamping arm 221 of the clamping module 220 and the lens barrel in the XY plane. The operator slides the limiting clamping arm 221 along the first direction to adjust the position of the limiting clamping arm 221 in the first direction, and adjusts the position of the limiting clamping arm 221 in the second direction by sliding the first adjusting block 222 along the second direction to achieve the position adjustment of the limiting clamping arm 221 in the XY plane. After the adjustment is completed, the first adjusting component 224 is used to fix the limiting clamping arm 221 and the first adjusting block 222, and the second adjusting component 225 is used to fix the first adjusting block 222 and the second adjusting block 223.

[0039] By setting the position of the internal components of the clamping module 220 to be adjustable, the position of the limiting clamp arm 221 can be adaptively adjusted for lens barrels of any size. Furthermore, when the lens assembly and positioning mechanism has been running for a long time and the moving module 210 has accumulated too much operating error, the error can also be compensated by adjusting the position of the limiting clamp arm 221 inside the clamping module 220, without having to replace the moving module 210, thus effectively reducing the operation and maintenance cost of the lens assembly mechanism.

[0040] In some embodiments, combined with Figure 2 As shown, the first adjustment block 222 has dovetail grooves at its first and second ends respectively, the limiting clamping arm 221 is slidably connected to the dovetail groove at the first end, and the second adjustment block 223 is slidably connected to the dovetail groove at the second end.

[0041] In this embodiment, a dovetail groove is used as a sliding connection structure. The dovetail groove has a large contact area, which can effectively distribute the load and reduce local stress concentration, making it suitable for bearing large lateral forces and heavy loads. The sliding surface is long and continuous, the guide path is stable, and it is not easy to shake during the movement, making it suitable for precise positioning. By adjusting the fit clearance (such as using a wedge-shaped insert), high precision can be maintained for a long time, reducing errors caused by wear. Furthermore, the two dovetail grooves are integrally formed on the first adjusting block 222 to ensure the relative positional accuracy between the two dovetail grooves, thereby reducing the positioning error between the limiting clamping arm 221 and the second adjusting block 223 and reducing the difficulty of adjustment.

[0042] In other embodiments, sliding connection forms such as "T"-shaped grooves and sliding table modules can also be provided.

[0043] In some embodiments, combined with Figures 1 to 3 As shown, the first adjustment component 224 and the second adjustment component 225 have the same structure. The first adjustment component 224 includes a first adjustment rod 2241. One end of the first adjustment rod 2241 is adapted to abut against one of the limiting clamp arm 221 and the first adjustment block 222. The other of the limiting clamp arm 221 and the first limiting block is threadedly connected to the first adjustment rod 2241.

[0044] The first adjusting component 224 and the second adjusting component 225 have the same structure. Corresponding to the first adjusting component 224, the second adjusting component 225 includes a second adjusting rod 2251. One end of the second adjusting rod 2251 is adapted to abut against one of the first adjusting block 222 and the second adjusting block 223. The other of the first adjusting block 222 and the second adjusting block 223 is threadedly connected to the second adjusting rod 2251.

[0045] In this embodiment, taking the first adjusting rod 2241 being threadedly connected to the first adjusting block 222 and the second adjusting rod 2251 being threadedly connected to the second adjusting block 223 as an example, by rotating the first adjusting rod 2241, the end of the first adjusting rod 2241 moves along the first direction against the limiting clamping arm 221, and by rotating the second adjusting rod 2251, the end of the second adjusting rod 2251 moves along the second direction against the first adjusting block 222.

[0046] By setting the first adjusting rod 2241 and the second adjusting rod 2251, the rotational motion of the adjusting rod (the first adjusting rod 2241 or the second adjusting rod 2251) is converted into the linear motion of the limiting clamping arm 221 or the first adjusting block 222, thereby achieving fine adjustment of the linear motion. The self-locking structure of the threaded connection effectively ensures the positioning stability.

[0047] In this embodiment, the first adjusting rod 2241 and the second adjusting rod 2251 are differential reading heads, which facilitates the operator to know the movement distance of the limiting clamp arm 221 after rotating the adjusting rod (first adjusting rod 2241 or second adjusting rod 2251) based on the scale adjustment of the differential reading head.

[0048] In other embodiments, the first adjustment component 224 and the second adjustment component 225 may also be plug-in structures, magnetic structures, etc., which can achieve relative fixation of the moving limiting clamp arm 221 and the first adjustment block 222, as well as relative fixation of the first adjustment block 222 and the second adjustment block 223.

[0049] In some embodiments, combined with Figure 2 As shown, the first adjustment component 224 further includes a first elastic element 2242, the two ends of which are respectively connected to the limiting clamping arm 221 and the first adjustment block 222. Corresponding to the first adjustment component 224, the second adjustment component 225 includes a second elastic element 2252, the two ends of which are respectively connected to the first adjustment block 222 and the second adjustment block 223.

[0050] In this embodiment, when the first adjusting rod 2241 pushes against the limiting clamping arm 221, the first elastic element 2242 is compressed to generate an elastic restoring force. The elastic restoring force reacts on the limiting clamping arm 221 and is transmitted through the limiting clamping arm 221 to the threaded connection structure between the first adjusting rod 2241 and the first adjusting block 222 to eliminate the gap error of the threaded connection and improve the positioning accuracy; the function of the second elastic element 2252 is the same.

[0051] In this embodiment, the first elastic element 2242 is a spring. Of course, it can also be a silicone sleeve, a spring sheet, or other components with elastic restoring force.

[0052] In some embodiments, combined with Figure 2 As shown, the limiting clamping arm 221 includes a detachably connected clamping head 2211 and a clamping arm 2212. The clamping arm 2212 is slidably connected to the first adjusting block 222, and the clamping head 2211 is adapted to clamp the lens. By replacing different clamping heads 2211, different shaped lenses can be adapted, and the independently set clamping heads 2211 can be replaced individually after wear, reducing the maintenance cost of the lens assembly and positioning mechanism.

[0053] In some embodiments, combined with Figures 1 to 3As shown, the moving module 210 includes a moving track 211 and a second drive assembly 212. The moving track 211 is parallel to the positioning surface and is slidably connected to the clamping module 220. The second drive assembly 212 includes a drive cylinder 2121 and a connecting block 2122. The connecting block 2122 is connected to the movable end of the drive cylinder 2121. One of the connecting block 2122 and the clamping module 220 is provided with a sliding groove 226, and the other is provided with a limiting protrusion inserted into the sliding groove 226. The limiting protrusion is adapted to move along the extension direction of the sliding groove 226. The sliding groove 226 is set at an angle to the moving track 211, and the sliding grooves 226 of different clamping modules 220 are symmetrically arranged on both sides of the extension and retraction direction of the drive cylinder 2121.

[0054] In this embodiment, the movable end of the drive cylinder 2121 moves upward along the Z direction shown in the figure, driving the connecting block 2122 to move upward. The limiting protrusion on the connecting block 2122 moves along the slide groove 226. The slide groove 226 converts the Z-direction movement of the connecting block 2122 into the movement of the clamping module 220 along the moving track 211 (X direction shown in the figure). By setting a connecting block 2122 to connect the slide grooves 226 of the two clamping modules 220, the two clamping modules 220 can be synchronously driven to open and close by using a drive cylinder 2121 as a power source, so as to provide the synchronicity of movement of the two clamping modules 220 and improve the positioning accuracy of repeated clamping.

[0055] In other embodiments, each clamping module 220 may be provided with an independent driving power source. Of course, the moving module 210 may also be in the form of a robotic arm or a combination of several linear modules, so as to drive the clamping modules 220 to move together.

[0056] In this embodiment, the end of the moving track 211 is also provided with a limiting part to limit the movement of the clamping module 220, so that the length of the clamping module 220 is consistent each time it opens and closes, so as to obtain a higher repeatability positioning accuracy.

[0057] In some embodiments, combined with Figure 1 and Figure 4 As shown, the vacuum channel 111 includes a main vacuum channel 1111 and a vacuum breaking channel 1112. The outlet of the main vacuum channel 1111 is located on the positioning surface, and the vacuum breaking channel 1112 connects the main vacuum channel 1111 with the outside.

[0058] In this embodiment, the vacuum main channel 1111 is used to connect the lens with an external vacuum source to achieve the lens adsorption effect; the vacuum breaking channel 1112 enables the airflow in the vacuum main channel 1111 to be connected to the outside when the vacuum is broken, reducing the influence of the airflow pushing the lens when the vacuum is broken, and making the assembly process more stable.

[0059] In this embodiment, the outlet of the vacuum breaking channel 1112 is located on the side of the positioning shaft 110. Of course, it can also be located on the surface of the non-positioning surface of the positioning shaft 110.

[0060] In some embodiments, combined with Figure 1 As shown, the first drive assembly 120 includes a drive motor 121 and a synchronous belt 122, which is wound around the output shaft of the drive motor 121 and the positioning shaft 110. The synchronous belt 122 allows for a partial structural misalignment between the drive motor 121 and the positioning shaft 110 along the Z-axis within the width of the belt surface, thereby reducing the height of the positioning base 100 in the Z-axis, making full use of the space in the XY plane, and achieving a compact design of the lens assembly positioning mechanism.

[0061] In other embodiments, the drive motor 121 can be directly connected to the positioning shaft 110 to drive the positioning shaft 110 to rotate; it can be in the form of a cylinder combined with a gear and rack transmission.

[0062] On the other hand, this utility model embodiment also provides a lens assembly device, including the lens assembly positioning mechanism as described in the above embodiment.

[0063] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A lens assembly and positioning mechanism, characterized in that, include: The positioning base (100) includes a positioning shaft (110) and a first driving assembly (120). One end of the positioning shaft (110) is provided with a positioning surface, which is adapted to abut against the lens. The positioning shaft (110) is provided with a vacuum channel (111), which is adapted to connect an external vacuum source with the lens. The first driving assembly (120) is adapted to drive the positioning shaft (110) to rotate. A positioning gripper (200) is disposed above the positioning surface along the axial direction of the positioning shaft (110). The positioning gripper (200) is adapted to hold the lens so that the rotation axis of the lens corresponds to the rotation axis of the positioning shaft (110).

2. The lens assembly and positioning mechanism according to claim 1, characterized in that, The positioning gripper (200) includes a moving module (210) and two clamping modules (220), the clamping modules (220) being adapted to engage and clamp the lens under the drive of the moving module (210); The clamping module (220) includes a limiting clamping arm (221), a first adjusting block (222), a second adjusting block (223), a first adjusting component (224), and a second adjusting component (225). The limiting clamping arm (221) is slidably connected to the first adjusting block (222) along a first direction, and the first adjusting block (222) is slidably connected to the second adjusting block (223) along a second direction. The first direction and the second direction are set at an angle. The first adjusting component (224) is connected between the limiting clamping arm (221) and the first adjusting block (222) and is adapted to limit and fix the position of the limiting clamping arm (221) and the first adjusting block (222). The second adjusting component (225) is connected between the first adjusting block (222) and the second adjusting block (223) and is adapted to limit and fix the position of the first adjusting block (222) and the second adjusting block (223).

3. The lens assembly and positioning mechanism according to claim 2, characterized in that, The first adjustment block (222) has dovetail grooves at its first and second ends respectively. The limiting clamping arm (221) is slidably connected to the dovetail groove at the first end, and the second adjustment block (223) is slidably connected to the dovetail groove at the second end.

4. The lens assembly and positioning mechanism according to claim 2, characterized in that, The first adjustment component (224) has the same structure as the second adjustment component (225). The first adjustment component (224) includes a first adjustment rod (2241). One end of the first adjustment rod (2241) is adapted to abut against one of the limiting clamp arm (221) and the first adjustment block (222). The other of the limiting clamp arm (221) and the first limiting block is threadedly connected to the first adjustment rod (2241).

5. The lens assembly and positioning mechanism according to claim 4, characterized in that, The first adjustment component (224) further includes a first elastic element (2242), the two ends of which are respectively connected to the limiting clamping arm (221) and the first adjustment block (222).

6. The lens assembly and positioning mechanism according to claim 2, characterized in that, The limiting clamp (221) includes a detachably connected clamp head (2211) and a clamp arm (2212), the clamp arm (2212) being slidably connected to the first adjusting block (222), and the clamp head (2211) being adapted to clamp the lens.

7. The lens assembly and positioning mechanism according to claim 2, characterized in that, The moving module (210) includes a moving track (211) and a second drive component (212). The moving track (211) is parallel to the positioning surface and is slidably connected to the clamping module (220). The second drive assembly (212) includes a drive cylinder (2121) and a connecting block (2122). The connecting block (2122) is connected to the movable end of the drive cylinder (2121). One of the connecting block (2122) and the clamping module (220) is provided with a sliding groove (226), and the other is provided with a limiting protrusion that is inserted into the sliding groove (226). The limiting protrusion is adapted to move along the extending direction of the sliding groove (226). The slide groove (226) is set at an angle to the moving track (211), and the slide grooves (226) of different clamping modules (220) are symmetrically arranged on both sides of the extension and retraction direction of the drive cylinder (2121).

8. The lens assembly and positioning mechanism according to any one of claims 1 to 7, characterized in that, The vacuum channel (111) includes a main vacuum channel (1111) and a vacuum breaking channel (1112). The outlet of the main vacuum channel (1111) is located on the positioning surface, and the vacuum breaking channel (1112) connects the main vacuum channel (1111) with the outside.

9. The lens assembly and positioning mechanism according to claim 8, characterized in that, The first drive assembly (120) includes a drive motor (121) and a timing belt (122), the timing belt (122) being wound around the output shaft of the drive motor (121) and the positioning shaft (110).

10. A lens assembly device, characterized in that, Includes the lens assembly and positioning mechanism as described in any one of claims 1 to 9.

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