Optical lens core taking machine

Abstract

The embodiment of the utility model generally relates to the field of optical lens processing equipment, in particular to a full-automatic optical lens core taking machine. The optical lens core taking machine comprises a lens clamp used for clamping a to-be-processed lens, and is characterized in that the lens clamp comprises a fixed shaft assembly which comprises a fixed shaft used for fixing the to-be-processed lens and a first motor used for driving the fixed shaft to rotate; the movable shaft assembly comprises a movable shaft coaxially arranged with the fixed shaft and a second motor used for driving the movable shaft to rotate; the movable shaft driving assembly is used for driving the movable shaft assembly to be close to or away from the fixed shaft, the movable shaft driving assembly comprises a lead screw pair, a connecting part used for being connected with the movable shaft assembly and a third motor used for driving a lead screw of the lead screw pair to rotate, and the connecting part is fixed to a nut of the lead screw pair. In this way, the high-rotation-speed, high-precision and high-stability lens core taking occasion can be met.

Description

Technical Field

[0001] The embodiments disclosed herein generally relate to the field of optical lens processing equipment, and more specifically to fully automated optical lens core extraction machines. Background Technology

[0002] Optical lenses require milling, fine grinding, polishing, cleaning, core taking, coating, and bonding processes to produce high-performance optical lenses. Core taking and centering not only corrects the outer diameter, depth, and chamfer of the lens to meet design specifications, but also makes the optical central axis of the lens coincide with the mechanical central axis, ensuring that the optical central axis (optical axis) of the lens coincides with the center lines of the two curvature surfaces of the lens.

[0003] In existing technologies, the rotation of the workpiece shaft in optical lens core extraction machines has a low centering speed and a complex transmission mechanism, resulting in poor centering effect, high equipment maintenance costs, and an inability to meet the application scenarios of high-speed and high-stability centering. Utility Model Content

[0004] Embodiments of this disclosure provide an optical lens core extraction machine designed to solve one or more of the problems described above and other potential problems.

[0005] According to a first aspect of the disclosure, an optical lens core extraction machine is provided, comprising a lens clamp for holding a lens to be processed, characterized in that the lens clamp comprises: a fixed shaft assembly, including a fixed shaft for fixing the lens to be processed and a first motor for driving the fixed shaft to rotate; a movable shaft assembly, including a movable shaft coaxially disposed with the fixed shaft and a second motor for driving the movable shaft to rotate; and a movable shaft drive assembly for driving the movable shaft assembly to move closer to or away from the fixed shaft, the movable shaft drive assembly including a lead screw pair and a third motor for driving the lead screw of the lead screw pair to rotate, and the nut of the lead screw pair is fixed to the movable shaft assembly.

[0006] In some embodiments, the first motor drives the fixed shaft to rotate via a coupling, and the second motor drives the movable shaft to rotate via a coupling.

[0007] In some embodiments, it further includes a marble mounting base for mounting the lens clamp.

[0008] In some embodiments, a grinding stone assembly for edge grinding of the lens to be processed is further included, the grinding stone assembly being mounted on the marble mounting base.

[0009] In some embodiments, the lens clamp further includes a clamp housing disposed on the marble mounting base, the clamp housing having a first through hole for the fixed shaft to pass through and a second through hole for the movable shaft to pass through.

[0010] In some embodiments, the inner wall of the second through hole is provided with an oil groove for the flow of lubricating oil.

[0011] In some embodiments, the fixed shaft assembly further includes a limiting structure for axially limiting the fixed shaft.

[0012] In some embodiments, the limiting structure includes: a clamping block mounting hole disposed in the clamp housing; two clamping blocks disposed in the clamping block mounting hole, the clamping blocks having clamping holes; an elastic element disposed between the two clamping blocks; and a locking element for connecting the two clamping blocks through the clamping holes of the clamping blocks.

[0013] In some embodiments, the movable shaft drive assembly further includes: a guide rail disposed on the fixture housing parallel to the axial direction of the movable shaft; and a slider slidably disposed on the guide rail, the slider being fixed to the movable shaft assembly.

[0014] In some embodiments, the movable shaft drive assembly further includes two bearing mounting seats disposed on the fixture housing, the bearing mounting seats being used to support the ends of the lead screw; and the third motor is fixedly connected to the bearing mounting seats and drives the lead screw to rotate via a coupling. Attached Figure Description

[0015] The above and other objects, features, and advantages of embodiments of the present disclosure will become readily apparent from the following detailed description taken in conjunction with the accompanying drawings. Several embodiments of the present disclosure are illustrated in the drawings by way of example and not limitation.

[0016] Figure 1 A perspective view of an optical lens core extractor according to an embodiment of the present disclosure is shown.

[0017] Figure 2 A perspective view of a lens clamp of an optical lens core extractor according to an embodiment of the present disclosure is shown.

[0018] Figure 3 A perspective view is shown relating to the marble mounting base of an optical lens core extractor according to an embodiment of the present disclosure.

[0019] Figure 4 A perspective view is shown relating to the fixing axis assembly of a lens clamp according to an embodiment of the present disclosure.

[0020] Figure 5 A perspective view showing the limiting structure according to an embodiment of the present disclosure is provided.

[0021] Figure 6 A perspective view is shown relating to the movable axis assembly of a lens clamp according to an embodiment of the present disclosure.

[0022] Figure 7 A perspective view is shown relating to the movable axis drive assembly of a lens clamp according to an embodiment of the present disclosure.

[0023] Figure 8 A perspective view is shown relating to the protective components of the clamp housing according to an embodiment of the present disclosure.

[0024] Figure 9 A perspective view of a grinding stone assembly according to an embodiment of the present disclosure is shown.

[0025] Figure 10 A perspective view of a feeding assembly according to an embodiment of the present disclosure is shown.

[0026] Figure 11 A perspective view of a suction cup assembly according to an embodiment of the present disclosure is shown.

[0027] Figure 12 A perspective view of a centering mechanism according to an embodiment of the present disclosure is shown.

[0028] In the various figures, the same or corresponding reference numerals indicate the same or corresponding parts. Detailed Implementation

[0029] Embodiments of this disclosure will now be described in more detail with reference to the accompanying drawings. While some embodiments of this disclosure are shown in the drawings, it should be understood that this disclosure can be implemented in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of this disclosure. It should be understood that the accompanying drawings and embodiments of this disclosure are for illustrative purposes only and are not intended to limit the scope of protection of this disclosure.

[0030] In the description of embodiments of this disclosure, the term "comprising" and similar terms should be understood as open-ended inclusion, i.e., "including but not limited to". The term "based on" should be understood as "at least partially based on". The term "one embodiment" or "the embodiment" should be understood as "at least one embodiment". The terms "first", "second", etc., may refer to different or the same objects. Other explicit and implicit definitions may also be included below.

[0031] As mentioned earlier, optical lens core-taking machines typically use ordinary motors with speeds below 3000 rad / min during lens edging, resulting in low processing efficiency and accuracy, which cannot meet the demands of high-speed lens processing. In existing technologies, the rotation of the workpiece shaft in core-taking machines usually involves a single motor driving both the fixed and movable shafts simultaneously. This results in low centering speeds, complex transmission mechanisms, poor centering performance, and high equipment maintenance costs, failing to meet the requirements of high-speed, high-stability centering applications. Furthermore, controlling the movement of the movable shaft via a pneumatic system is prone to instability due to air pressure fluctuations, leading to unstable lens clamping force and poor lens centering on the guide rail.

[0032] To address this, this disclosure provides an optical lens core extraction machine, where both the fixed and movable axes are driven by separate motors, enabling high-speed, high-precision, and high-stability lens core extraction applications. The principle of the drawer assembly according to an embodiment of this disclosure will be described in detail below with reference to the accompanying drawings.

[0033] Figure 1 A perspective view of an optical lens core extractor 10 according to an embodiment of the present disclosure is shown, as follows: Figure 1 As shown, the base 101 of the optical lens core extractor 10 can be a box-like structure. An embedded electrical cabinet for various electrical components used to realize the functions of the optical lens core extractor is provided on the front side of the box of the base 101. Embedded cabinets for installing lubrication pumps, pneumatic components, etc., are provided on the left and right sides of the box. The upper surface of the box of the base 101 has a wire groove and a wire hole for easy wire routing to the electrical cabinet inside the box. The base 101 is equipped with a lens clamp 103 for holding the lens to be processed, a grinding stone assembly 104 for edge grinding and core extraction of the lens, a feeding assembly 105, and a control panel 106 for operating the optical lens core extractor.

[0034] Figure 2 A perspective view of the lens clamp 103 of the optical lens core extractor 10 according to an embodiment of the present disclosure is shown, as follows: Figure 2As shown, in one or more embodiments of this disclosure, the lens clamp 103 includes a fixed shaft assembly and a movable shaft assembly that cooperate to clamp the lens a to be processed, and a movable shaft drive assembly for driving the movable shaft assembly closer to or away from the fixed shaft, thereby clamping or releasing the lens a to be processed. The fixed shaft assembly is immovable and includes a fixed shaft for fixing the lens a to be processed and a first motor 1311 for driving the fixed shaft to rotate. The movable shaft assembly includes a movable shaft coaxially arranged with the fixed shaft and a second motor 1321 for driving the movable shaft to rotate. The movable shaft drive assembly is used to drive the movable shaft assembly to move along the axial direction of the movable shaft, thereby moving closer to or away from the fixed shaft, achieving clamping or releasing of the lens a to be processed located between the fixed shaft and the movable shaft. The movable shaft drive assembly includes a lead screw pair 1331 and a third motor 1332 for driving the lead screw of the lead screw pair 1331 to rotate. The lead screw pair includes a pair of transmission elements consisting of a lead screw and a nut, capable of converting the rotational motion of the lead screw into the linear motion of the nut. In one or more embodiments of this disclosure, the lead screw is arranged parallel to the axial direction of the movable shaft in the movable shaft assembly. The nut of the lead screw pair 1331 is fixed to the movable shaft assembly, so that the third motor 1322 can drive the lead screw to rotate, thereby moving the nut on the lead screw along the length direction of the lead screw, thereby driving the movable shaft assembly fixed to the nut to move as a whole, so that the movable shaft moves closer to or away from the fixed shaft. During core taking, the feeding assembly 105 of the optical lens core taking machine transports the lens to be processed a to the lens clamp 103 and fixes it to the fixed shaft of the fixed shaft assembly. The third motor 1332 of the movable shaft drive assembly drives the lead screw pair 1331 to move, so that the nut of the lead screw pair drives the movable shaft drive assembly to move closer to the fixed shaft and clamp the lens to be processed a. The first motor 1311 and the second motor 1321 drive the fixed shaft and the movable shaft to rotate respectively, thereby centering the lens to be processed a. Subsequently, the grinding stone assembly 104 performs edge grinding and core taking on the lens to be processed a.

[0035] In this way, the fixed shaft and the movable shaft are driven by separate motors. Compared to existing technologies where a single motor drives both the fixed and movable shafts simultaneously, the transmission structure is simpler and easier to achieve high-speed centering. Furthermore, using a motor to drive a lead screw assembly to move the movable shaft assembly as a whole improves the stability of the movable shaft assembly's movement and the accuracy of the movable shaft's position, thus enabling highly stable centering.

[0036] In one or more embodiments of this disclosure, the first motor 1311 and the second motor 1321 can be connected to the corresponding shaft using any same or different transmission methods, as long as they can drive the corresponding shaft to rotate. The transmission methods may include, but are not limited to, one or more of gear transmission, belt transmission, chain transmission, and coupling connection. In one or more embodiments of this disclosure, the first motor 1311 can also drive the fixed shaft to rotate via a coupling. Similarly, the second motor 1321 can also drive the movable shaft to rotate via a coupling. Couplings have the advantages of simple structure and good transmission rigidity, making them more suitable for high-speed and high-precision applications.

[0037] In one or more embodiments of this disclosure, the optical lens core extractor also includes a marble mounting base. Figure 3 A perspective view is shown relating to the marble mounting base of the optical lens core extractor 10 according to an embodiment of the present disclosure. Figure 3 As shown, a marble mounting base 102 can also be provided on the base 101 of the optical lens core extractor 10. The lens clamp 103 and the grinding stone assembly 104 can be mounted on the base 101 via the marble mounting base 102. Marble has high manufacturing precision, stability, and corrosion resistance, which can minimize the deformation of the castings in the lens clamp 103 and the grinding stone assembly 104, enabling the optoelectronic lens core extractor to have higher precision and stability. In one or more embodiments of this disclosure, the lens clamp 103 further includes a clamp housing 134 disposed on the marble mounting base 102. The clamp housing 134 has two through holes spaced apart, namely a first through hole for a fixed shaft to pass through and a second through hole for a movable shaft to pass through. The first through hole and the second through hole are coaxially arranged, so that the fixed shaft and the movable shaft installed in the two through holes can also remain coaxial. In one or more embodiments of this disclosure, an oil groove is provided on the inner wall of the second through hole for the flow of lubricating oil. Lubricating oil can be injected into the oil groove of the second through hole by a lubrication pump, and the lubricating oil flows into the gap between the inner wall of the through hole and the outer circumference of the shaft through the oil groove. When the movable shaft drive assembly drives the movable shaft assembly to move, the movable shaft will move linearly in the second through hole. The injected lubricating oil can reduce the friction during the movement of the movable shaft, making the movement of the movable shaft smoother.

[0038] Figure 4 A perspective view is shown relating to the fixing axis assembly 131 of the lens clamp according to an embodiment of the present disclosure. Figure 4As shown, in one or more embodiments of this disclosure, the fixed shaft assembly 131 further includes a motor mounting base 1313 disposed on the fixture housing 134. A first motor 1311 is fixed to the fixture housing 134 via the motor mounting base 1313. The output end of the first motor 1311 is connected to the fixed shaft 1312 via a coupling, so that the first motor can drive the fixed shaft 1312 to rotate in the first through hole. The end of the fixed shaft is provided with a lens fixing structure for fixing the lens to be processed. For example, the lens fixing structure can be a suction head for fixing the lens based on vacuum adsorption disposed at the end of the fixed shaft, or a structure disposed at the end of the fixed shaft that uses mechanical components (such as positioning pins, V-blocks, reference surfaces, etc.) to contact the lens and fix the lens through mechanical constraints. In one or more embodiments of this disclosure, the fixed shaft assembly 133 further includes a limiting structure 1314 for axially limiting the fixed shaft 1312. The limiting structure can be any structure or design that can limit the axial position of the fixed shaft 1312 without affecting the rotation of the fixed shaft. Figure 5 A perspective view is shown relating to the limiting structure 1314 according to an embodiment of the present disclosure. Figure 5 As shown, in one or more embodiments of this disclosure, the limiting structure 1314 may include a clamping block mounting hole 1314a provided on the clamp housing 134 and two clamping blocks 1314b placed in the mounting hole 1314a. The two clamping blocks 1314b have similar structures, each having an arc surface for interlocking and engaging to clamp the fixed shaft 1312, with the arc surface of the clamping block 1314b facing the outer circumference of the fixed shaft 1312. A clamping hole is provided on the interlocking surface of the two clamping blocks 1314b, and an elastic element 1314c is provided between the two clamping blocks 1314b. The clamping hole may be one or more of a threaded hole, a through hole, and a countersunk hole, and the elastic element may be a hollow, elastic strip structure or a spring. The limiting structure 1314 can tighten the two clamping blocks by passing a locking element 1314d through the clamping holes of the two clamping blocks and the elastic element 1314c in the middle of the clamping blocks, thereby fixing the fixed shaft. In one or more embodiments of this disclosure, as Figure 5 As shown, the clamping hole of the near-end clamping block of the screw can be a through hole extending through the clamping blocks along the arrangement direction of the two clamping blocks. The clamping block of the far-end clamping block of the screw can be a threaded hole with internal threads arranged along the arrangement direction of the two clamping blocks. The locking element can be a screw with external threads, and the elastic element can be a compression spring. The screw passes through the near-end clamping block and the compression spring and is screwed into the threaded hole of the far-end clamping block 31. When the screw rotates in one direction, the distance between the two clamping blocks will decrease until it clamps the fixed shaft 1312. It can be understood that a bearing is provided at the position on the fixed shaft 1312 where it is clamped by the two clamping blocks, so as to ensure that the fixed shaft 1312 is axially limited without affecting the rotation of the fixed shaft.

[0039] Figure 6A perspective view is shown relating to the movable shaft assembly 132 of the lens clamp according to an embodiment of the present disclosure. In one or more embodiments of the present disclosure, the movable shaft assembly 132 further includes a motor mounting base 1323 disposed on the clamp housing 134, a second motor 1321 fixed to the clamp housing 134 via the motor mounting base 1323, and the output end of the second motor 1321 connected to the movable shaft 1322 via a coupling, such that the second motor 1321 can drive the movable shaft 1322 to rotate in the second through hole.

[0040] Figure 7 A perspective view is shown relating to the movable shaft drive assembly 133 of a lens clamp according to an embodiment of the present disclosure. In one or more embodiments of the present disclosure, the movable shaft drive assembly 133 further includes a guide rail 1333 fixed to the top of the clamp housing 134 and a slider (not shown) slidably engaged with the guide rail 1333. The guide rail 1333 is arranged parallel to the axial direction of the movable shaft 1322. The slider 1334 is fixedly connected to the motor mounting seat 1323 of the movable shaft assembly 132, so that the slider can drive a second motor and the movable shaft to move along the guide rail 1333 via the motor mounting seat 1323. In one or more embodiments of the present disclosure, a lead screw 1331a is placed in a bearing mounting seat 1335 via bearings at both ends. A third motor 1332 is fixed to one of the bearing mounting seats 1335 and drives the lead screw 1331a to rotate via a coupling. The motor mounting seat 1323 is fixed to the nut 1331b of the lead screw assembly. When the third motor 1332 drives the lead screw 1331a to rotate, the nut 1331b drives the motor mounting base 1323 to make a lateral linear movement, thereby driving the movable shaft 1322 to clamp or release the lens to be processed. In one or more embodiments of this disclosure, the first motor and the second motor can be servo motors, which can drive the fixed shaft 1312 and the movable shaft 1322 to rotate through a coupling, so that the lens to be processed clamped between the fixed shaft 1312 and the movable shaft 1322 is centered. Since the fixed shaft 1312 and the movable shaft 1322 are each driven by an independent servo motor, the motor can operate at a high speed (e.g., not less than 3000 rad / min), and there is no complicated gear transmission mechanism between the motor and the corresponding shaft, which can meet the requirements of high-speed lens centering. In one or more embodiments of this disclosure, the third motor 1332 can drive the lead screw 1331a to move with a constant torque, so that the lens fixture clamps the lens to be processed, which meets the requirements of high-stability lens centering.

[0041] In one or more embodiments of this disclosure, the clamp housing 134 also includes protective components. Figure 8 A perspective view is shown relating to the protective components of the clamp housing according to an embodiment of the present disclosure. Figure 8As shown, the protective assembly includes a protective cover 1343 and a liquid-repellent baffle assembly. The protective cover 1343 has a core extraction window, and the liquid-repellent baffle assembly is located within the core extraction window. The liquid-repellent baffle assembly includes a liquid-repellent baffle 1342 and a connecting rod 1341 that drives the liquid-repellent baffle 1342 to rotate. A cylinder (not shown) is mounted on the fixture housing 134. The cylinder is connected to the connecting rod 1341 and can drive the connecting rod 1341 to rotate, thereby causing the connecting rod 1341 to drive the liquid-repellent baffle 1342 to perform circular motion, realizing the opening and closing of the core extraction window. In one or more embodiments of this disclosure, the liquid-repellent baffle may be a structure made of a hydrophobic material.

[0042] Figure 9 A perspective view of a grinding stone assembly according to an embodiment of the present disclosure is shown. Figure 9 As shown, the grinding wheel assembly 104 consists of a transverse feed assembly 141 and a longitudinal feed assembly 142. The grinding wheel 143 completes the edge grinding and core taking of the lens to be processed through transverse or longitudinal feed. In one or more embodiments of this disclosure, the grinding wheel assembly 104 further includes a base plate 145 for fixed connection with the marble mounting base 102 to mount the grinding wheel assembly 104 on the marble mounting base 102. In this way, the stability of the transverse feed assembly and the longitudinal feed assembly can be improved.

[0043] Figure 10 A perspective view of a feeding assembly according to an embodiment of the present disclosure is shown. The feeding assembly 105 is capable of automatically loading and unloading lenses via program control, such as... Figure 10 As shown, the feeding assembly 105 is fixed to the base 101 by two support plates 156 on the left and right sides respectively. A flat plate is fixed to each support plate 156, and a longitudinal feeding module 151 is mounted on the flat plate. A transverse feeding module 152 is mounted on the longitudinal feeding module, and a vertical feeding module 153 is mounted on the transverse feeding module 152. The vertical feeding module 153 is equipped with a suction cup assembly 154 for adsorbing lenses. In one or more embodiments of this disclosure, the suction cup assembly includes a rotary cylinder and a suction cup. By rotating the rotary cylinder, the direction of the suction cup can be changed, enabling the picking and placing of lenses in both horizontal and vertical directions. In one or more embodiments of this disclosure, the suction cup assembly 154, which has a buffering effect, can effectively reduce damage to the lenses during lens picking and placing. Figure 11 A perspective view of a suction cup assembly according to an embodiment of the present disclosure is shown, such as... Figure 11 As shown, the suction cup assembly 154 with a buffering function consists of a suction cup 1541, a shaped shaft 1542, a compression spring 1543, a bushing 1544, and a quick-connect coupling 1546. The suction cup 1541 is fixed to the shaped shaft 1542. The compression spring 1543 and the bushing 1544 are fitted onto the shaped shaft 1542 and secured with nuts. In one or more embodiments of this disclosure, the flat plate on the support plate 156 is further provided with a centering mechanism 155. Figure 12 A perspective view of a centering mechanism according to an embodiment of the present disclosure is shown. Figure 12 As shown, the centering mechanism 155 includes a parallel opening and closing pneumatic gripper 1551, a clamping support block 1552, a centering clamping block 1553, and a lens support shaft 1554. The lens support shaft 1554 is used to fix and support the lens a. Clamping support blocks 1552 are provided at both ends of the lens support shaft. The clamping support blocks 1552 are fixed to the parallel opening and closing pneumatic gripper 1551. The centering clamping block 1552 is fixed to the clamping support block 1552. By opening and closing the parallel opening and closing pneumatic gripper 1551, the centering clamping block 1552 can accurately perform secondary positioning of the lens a to ensure the accurate position of the automatic feeding of the lens a.

[0044] The various embodiments of this disclosure have been described above. These descriptions are exemplary and not exhaustive, nor are they limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen to best explain the principles, practical application, or technical improvements to the technology in the market, or to enable others skilled in the art to understand the embodiments disclosed herein.

Claims

1. An optical lens core extraction machine (10), comprising a lens clamp (103) for holding a lens (a) to be processed, characterized in that, The lens clamp (103) includes: The fixed axis assembly includes a fixed axis for fixing the lens to be processed and a first motor (1311) for driving the fixed axis to rotate. The movable shaft assembly includes a movable shaft coaxially disposed with the fixed shaft and a second motor (1321) for driving the movable shaft to rotate; and A movable shaft drive assembly is used to drive the movable shaft assembly to move closer to or away from the fixed shaft. The movable shaft drive assembly includes a lead screw pair (1331) and a third motor (1332) for driving the lead screw of the lead screw pair to rotate. The nut of the lead screw pair is fixed to the movable shaft assembly.

2. The optical lens core extraction machine (10) according to claim 1, characterized in that, The first motor drives the fixed shaft to rotate via a coupling, and the second motor drives the movable shaft to rotate via a coupling.

3. The optical lens core extraction machine according to claim 1, characterized in that, Also includes: Marble mounting base (102) for mounting the lens clamp (103).

4. The optical lens core extraction machine according to claim 3, characterized in that, It also includes a grinding stone assembly (104) for grinding the edge of the lens to be processed, the grinding stone assembly (104) being mounted on the marble mounting base (102).

5. The optical lens core extraction machine according to claim 4, characterized in that, The lens clamp (103) also includes a clamp housing (134) disposed on the marble mounting base, the clamp housing (134) having a first through hole for the fixed shaft to pass through and a second through hole for the movable shaft to pass through.

6. The optical lens core extraction machine according to claim 5, characterized in that, The clamp housing (134) further includes a protective assembly disposed between the fixed shaft assembly (101) and the movable shaft assembly (132), and the protective assembly includes: Protective cover (1343), equipped with a core extraction window; and A baffle assembly is provided in the core extraction window, and the baffle assembly includes a baffle (1342) and a linkage (1341) for driving the baffle (1342) to rotate to open or close the core extraction window.

7. The optical lens core extraction machine according to claim 5, characterized in that, The fixed shaft assembly also includes: A limiting structure (1314) is used to axially limit the fixed shaft (1312).

8. The optical lens core extraction machine according to claim 7, characterized in that, The limiting structure (1314) includes: A clamping block mounting hole (1314a) is provided in the clamp housing (134). Two clamping blocks (1314b) are disposed in the clamping block mounting holes (1314a), and the clamping blocks are provided with clamping holes; An elastic element (1314c) is disposed between the two clamping blocks (1314b); and A locking element (1314d) is used to connect the two clamping blocks (1314b) through the clamping holes of the clamping blocks.

9. The optical lens core extraction machine according to claim 5, characterized in that, The active axis drive assembly (133) also includes: Guide rail (1333), parallel to the axial direction of the movable shaft (1322), is disposed in the fixture housing (134); and A slider (1334) is slidably disposed on the guide rail (1333), and the slider (1334) is fixed to the movable shaft assembly (132).

10. The optical lens core extraction machine according to claim 9, characterized in that, The movable shaft drive assembly (133) further includes two bearing mounts (1335) disposed on the fixture housing (134), the bearing mounts (1335) being used to support the end of the lead screw (1331a); and The third motor (1332) is fixedly connected to the bearing mounting base (1335) and drives the lead screw (1331a) to rotate through the coupling.

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