CN217991976U - Optical lens core fetching machine - Google Patents

Abstract

The utility model belongs to the technical field of optical lens piece processing, a machine is got to optical lens piece core is disclosed for the processing of lens, including lens seek center subassembly, emery wheel subassembly and rotatory aversion subassembly, the lens is sought the center subassembly and is included first mounting panel, a drive mechanism, a first air supporting main shaft, force sensor and lens clamping tool, a first air supporting main shaft is installed on the first mounting panel, a drive mechanism with a first air supporting main shaft is connected, force sensor installs on a first air supporting main shaft, lens clamping tool is installed last and be used for fixing of force sensor the lens, the emery wheel unit mount is in on the rotatory aversion subassembly, rotatory aversion subassembly is used for the drive emery wheel subassembly displacement and rotation. The utility model has the advantages that: the automatic core taking machine is simple in structure and high in automation degree, eliminates deviation existing in core taking, reduces cost and greatly improves production efficiency.

Description

Optical lens core fetching machine

[ technical field ] A method for producing a semiconductor device

The utility model relates to an optical lens piece processing technology field especially relates to an optical lens piece core gets machine.

[ background of the invention ]

Many lenses are mounted on various optical products, starting with a camera. In the multi-lens system, a large number of lenses are generally formed of several to ten or more lenses, and in order to satisfy optical performance, it is necessary to match the axis formed by the center axis of the cylinder containing the lenses and the center of each lens at a high level. Specifically, the grinding operation is performed on the periphery of a predetermined shape and size so that a line (optical axis) connecting the centers of curvature of both surfaces after grinding and a rotation axis of a machine (coring machine) for grinding the periphery of the lens are superposed (coring). After the core is removed, the optical axes of the lenses are superposed on each other, and a reference surface when the polished surfaces are grouped is ground. The error of processing the periphery of the lens becomes a fatal defect of the lens system, so that the coring is one of important projects.

The prior core taking process is a lens grinding process, namely a process of processing a lump material or a section material into a lens with certain geometric shape, dimensional accuracy and surface roughness, and then core taking processing is carried out, wherein the lens after core fixing is symmetrically ground into an excircle, and chamfers, rise heights, steps and the like are processed. The automatic core taking machine is one of optical mechanical manufacturing equipment, is widely applied to various fields, is relatively complex in structure, is manual in a plurality of cores, is low in automation degree of partial core taking machines, and is particularly suitable for processing different equipment for processing a convex surface and the core, so that the core taking deviation exists, and the working efficiency is low.

Therefore, it is necessary to provide an optical lens core taking machine, which solves the problems that the existing optical lens production core taking machine cannot process convex surfaces simultaneously, core taking has deviation, and time and labor are wasted.

[ Utility model ] content

The utility model discloses an optical lens core gets machine, it can effectively solve the technical problem who relates to in the background art.

In order to achieve the above purpose, the technical scheme of the utility model is that:

an optical lens core extracting machine is used for processing a lens and comprises a lens centering component, a grinding wheel component and a rotary displacement component;

the lens centering assembly comprises a first mounting plate, a first driving mechanism, a first air floatation main shaft, a force sensor and a lens clamping jig, wherein the first air floatation main shaft is mounted on the first mounting plate, the first driving mechanism is connected with the first air floatation main shaft, the force sensor is mounted on the first air floatation main shaft, and the lens clamping jig is mounted on the force sensor and used for fixing the lens;

the grinding wheel assembly is installed on the rotary displacement assembly and used for machining the lens at the lens clamping jig, and the rotary displacement assembly is used for driving the grinding wheel assembly to displace and rotate.

As a preferred improvement of the present invention: the grinding wheel assembly comprises a second mounting plate, a second air floatation main shaft, a second driving mechanism and a grinding wheel, the second mounting plate is mounted on the rotary displacement assembly, the second air floatation main shaft and the second driving mechanism are mounted on the second mounting plate, the second driving mechanism is connected with the second air floatation main shaft, and the grinding wheel is mounted on the second air floatation main shaft.

As a preferred improvement of the present invention: the rotary displacement assembly comprises an X-axis displacement mechanism, a Y-axis displacement mechanism, a Z-axis displacement mechanism and a rotating mechanism, the Y-axis displacement mechanism is installed on the X-axis displacement mechanism, the rotating mechanism is installed on the Y-axis displacement mechanism, the Z-axis displacement mechanism is installed on the rotating mechanism, and the grinding wheel assembly is installed on the Z-axis displacement mechanism.

As a preferred improvement of the present invention: and a vacuum suction hole for tightly sucking the lens is arranged on the contact surface of the lens clamping jig and the lens.

As a preferred improvement of the present invention: the lens centering assembly further comprises a lens primary positioning device, and the lens primary positioning device is installed on the first installation plate.

As a preferred improvement of the present invention: the core taking machine further comprises a feeding and discharging assembly, the feeding and discharging assembly comprises a feeding and discharging shifting mechanism and a material fixing mechanism, the feeding and discharging shifting mechanism is used for driving the material fixing mechanism to move, and the material fixing mechanism is used for fixing the lens.

As a preferred improvement of the present invention: the material fixing mechanism comprises a third mounting plate, a first lifting mechanism, a first sucker, a second lifting mechanism and a second sucker, the third mounting plate is mounted on the feeding and discharging shifting mechanism, the first lifting mechanism and the second lifting mechanism are fixed on the third mounting plate, the first sucker is fixed on the output end of the first lifting mechanism, and the second sucker is fixed on the output end of the second lifting mechanism.

As a preferred improvement of the present invention: the core taking machine further comprises a material disc assembly, wherein the material disc assembly comprises a lower supporting frame, a grinding fluid collecting disc fixed on the lower supporting frame, an upper supporting frame fixed on the grinding fluid collecting disc, and a material disc to be processed and a finished product material disc fixed on the upper supporting frame.

As a preferred improvement of the present invention: and the upper support frame is provided with a positioning mechanism for positioning the material disc of the product to be processed and the material disc of the finished product.

As a preferred improvement of the present invention: the first driving mechanism comprises a speed reducing motor, and the speed reducing motor drives the first air floatation main shaft to rotate through a synchronous belt.

The utility model has the advantages as follows:

by moving each shifting mechanism, the lens can be clamped and placed at the core taking device, so that convex surface grinding and edging (namely core taking) are finished in one clamping; then through the motion of each shift mechanism again, take out the lens after the core is got and accomplish to put into the finished product charging tray in proper order, from this, this automatic core gets quick-witted simple structure, degree of automation is high, has eliminated the deviation that exists when the core is got completely, has reduced the cost, has improved production efficiency greatly.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:

fig. 1 is a schematic diagram of an optical lens core extractor according to the present invention;

fig. 2 is a plan view of the optical lens core-taking machine of the present invention;

FIG. 3 is a schematic view of the lens centering assembly of the present invention;

FIG. 4 is a schematic view of the structure of the grinding wheel assembly of the present invention;

FIG. 5 is a schematic structural view of the rotary shift assembly of the present invention;

FIG. 6 is a schematic view of the structure of the loading and unloading assembly of the present invention;

fig. 7 is a schematic view of the structure of the tray assembly of the present invention.

In the figure: 100-lens centering component, 101-first mounting plate, 102-first driving mechanism, 103-first air floating spindle, 104-force sensor, 105-lens clamping fixture, 106-lens primary positioning device, 200-grinding wheel component, 201-second mounting plate, 202-second air floating spindle, 203-second driving mechanism, 204-grinding wheel, 300-rotation displacement component, 301-X axis displacement mechanism, 302-Y axis displacement mechanism, 303-Z axis displacement mechanism, 304-rotation mechanism, 400-loading and unloading component, 410-loading and unloading displacement mechanism, 420-material fixing mechanism, 421-third mounting plate, 422-first lifting mechanism, 423-first suction cup, 424-second lifting mechanism, 425-second suction cup, 500-tray component, 501-lower support frame, 502-grinding liquid receiving tray, 503-upper support frame, 504-to-be-processed product tray, 505-finished product tray, 506-positioning mechanism, 600-lens.

[ detailed description ] embodiments

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides an optical lens core taking machine for processing a lens 600, which includes a lens core-searching component 100, a grinding wheel component 200, a rotary displacement component 300, a loading and unloading component 400, a tray component 500 and a self-control system (not shown), wherein the above components are all mounted on an electrical cabinet. Specifically, the tray assembly 500 is used for placing raw materials and finished products, and the loading and unloading assembly 400 is used for transferring the lens 600 between the lens centering assembly 100 and the tray assembly 500. Lens 600 is placed, is fixed on the center subassembly 100 is sought to the lens, rotatory subassembly 300 control of shifting the displacement of emery wheel subassembly 200 and rotation, it is right to realize the processing of the grinding convex surface and the edging of lens 600, and this device can realize promptly that the automation mechanized operation is got to the grinding convex surface, core of lens, and simple structure, degree of automation are high, have eliminated the deviation that exists when the core was got.

Referring to fig. 3, the lens centering assembly 100 includes a first mounting plate 101, a first driving mechanism 102, a first air floating spindle 103, a force sensor 104, and a lens clamping fixture 105, where the first air floating spindle 103 is mounted on the first mounting plate 101, the first driving mechanism 102 is connected to the first air floating spindle 103, the force sensor 104 is mounted on the first air floating spindle 103, and the lens clamping fixture 105 is mounted on the force sensor 104 and used for fixing the lens 600. Preferably, the first driving mechanism 102 includes a speed reduction motor, and the speed reduction motor drives the first air bearing spindle 103 to rotate through a synchronous belt. It should be further noted that other components are adopted to achieve the above effects, and all the components are considered to fall within the inventive concept of the present invention and are considered to fall within the protective scope of the present invention. The grinding wheel assembly 200 is mounted on the rotary shift assembly 300 and is used for processing the lens 600 at the lens clamping fixture 105, and the rotary shift assembly 300 is used for driving the grinding wheel assembly 200 to displace and rotate.

Specifically, the first mounting plate 101 is provided with the first driving mechanism 102 (a speed reduction motor) and the first air floatation spindle 103, which form a power transmission system (synchronous pulley transmission), and the first air floatation spindle 103 is provided with the force sensor 104 and the lens clamping jig 105. The lens 600 is placed on the lens clamping jig 105 during processing, the lens clamping jig 105 fixes the lens 600 to prevent the lens 600 from moving during polishing, and the force sensor 104 has X, Y and Z-axis three-direction detection real-time pressure capability. As an embodiment, a surface of the lens clamping fixture 105 contacting the lens 600 is provided with a vacuum suction hole for tightly sucking the lens 600, the vacuum suction hole is connected with a pipeline, and then connected with a pump or other devices in a rotary joint manner, so as to tightly suck the lens 600 by vacuum.

The lens centering assembly 100 further comprises a primary lens positioning device 106, wherein the primary lens positioning device 106 is mounted on the first mounting plate 101 and located beside the lens clamping fixture 105. The lens primary positioning device 106 has a positioning function on the lens 600, the feeding and discharging assembly 400 is used for placing the lens 600 at the position of the lens primary positioning device 106 for positioning and then sucking the lens 600 to place the lens 600 at the position of the lens clamping jig 105, the center of the lens 600 is more accurate, and the processing quality is higher. The primary lens positioning device 106 may be a conventional and simple lens positioning device, and belongs to the common technology, and is not specifically described and limited herein. As an embodiment, a fixing block may be used, the top surface of the fixing block is recessed downward to form a tapered groove with a wide top and a narrow bottom, the lens 600 is placed in the groove, and a small pressure is applied downward, so that the lens 600 is clamped at a certain height, and the center of the lens 600 faces the center of the groove. It should be further noted that other components are adopted to achieve the above effects, and all the components are considered to fall within the inventive concept of the present invention and are considered to fall within the protective scope of the present invention.

Referring to fig. 4, the grinding wheel assembly 200 includes a second mounting plate 201, a second air spindle 202, a second driving mechanism 203, and a grinding wheel 204, the second mounting plate 201 is mounted on the rotary displacement assembly 300, the second air spindle 202 and the second driving mechanism 203 are mounted on the second mounting plate 201, the second driving mechanism 203 is connected to the second air spindle 202, and the grinding wheel 204 is mounted at a bottom end of the second air spindle 202. Specifically, the second driving mechanism 203 also includes a speed reduction motor, and drives the second air floatation spindle 202 to rotate through a synchronous belt, so as to drive the grinding wheel 204 to rotate, thereby processing and grinding the lens 600. Preferably, the grinding wheel 204 is a diamond grinding wheel.

Referring to fig. 5, the rotary shift assembly 300 includes an X-axis shift mechanism 301, a Y-axis shift mechanism 302, a Z-axis shift mechanism 303, and a rotary mechanism 304, wherein the Y-axis shift mechanism 302 is mounted on the X-axis shift mechanism 301, the rotary mechanism 304 is mounted on the Y-axis shift mechanism 302, the Z-axis shift mechanism 303 is mounted on the rotary mechanism 304, and the grinding wheel assembly 200 is mounted on the Z-axis shift mechanism 303. Specifically, the X-axis shifting mechanism 301 is configured to drive the Y-axis shifting mechanism 302 to move along the X-axis direction, the Y-axis shifting mechanism 302 is configured to drive the rotating mechanism 304 to move along the Y-axis direction, the rotating mechanism 304 is configured to drive the Z-axis shifting mechanism 303 to rotate, and the Z-axis shifting mechanism 303 is configured to drive the grinding wheel assembly 200 to move along the Z-axis direction. Through the connection of the above-mentioned 4 components, the grinding wheel 204 can be moved and rotated up and down, left and right, and back and forth, and the lens 600 can be precisely processed. The shifting mechanism can adopt structures such as KK modules, screw rods, cylinders, slide rails and the like, and the rotating mechanism can be driven by a motor. The Z-axis shift mechanism 303 is mounted on the rotation mechanism 304, and the grinding wheel 204 is mounted on the Z-axis shift mechanism 303, so that the positional relationship between the grinding wheel 204 and the rotation center axis of the rotation mechanism 304 in the Z-axis direction can be adjusted.

Referring to fig. 6, the core taking machine further includes a feeding and discharging assembly 400, the feeding and discharging assembly 400 includes a feeding and discharging shift mechanism 410 and a material fixing mechanism 420, the feeding and discharging shift mechanism 410 is used for driving the material fixing mechanism 420 to shift, and the material fixing mechanism 420 is used for fixing the lens 600. Specifically, go up unloading shifter 410 can adopt a plurality of KK module (or cylinder, slide rail) complex mode drives material fixing mechanism 420 does the removal of a plurality of directions, material fixing mechanism 420 can adopt sucker structure fixed lens 600 can accomplish lens 600's transfer process can.

In one embodiment, the material fixing mechanism 420 includes a third mounting plate 421, a first lifting mechanism 422, a first suction cup 423, a second lifting mechanism 424, and a second suction cup 425, the third mounting plate 421 is mounted on the loading/unloading shift mechanism 410, the first lifting mechanism 422 and the second lifting mechanism 424 are fixed on the third mounting plate 421, the first suction cup 423 is fixed on an output end of the first lifting mechanism 422, the second suction cup 425 is fixed on an output end of the second lifting mechanism 424, the loading/unloading shift mechanism 410 is only used for the movement of the material fixing mechanism 420 in the front-back, left-right directions, and the lifting mechanism drives the suction cups to move up and down in a sliding rail or air cylinder manner. In this embodiment, the feeding and discharging shift mechanism 410 includes an X-direction shift mechanism and a Y-direction shift mechanism. Two lifting mechanisms are arranged, so that the two suckers can be controlled independently.

Specifically, two suckers are arranged, one sucker is used for fixing an unprocessed part, and the other sucker is used for fixing a processed finished part, so that the finished part is sucked after the grinding wheel 204 finishes processing the lens 600, and then the unprocessed part can be directly placed, and the processing efficiency is improved. Because only one suction cup is needed, after the finished part is sucked, the finished part needs to be placed at a designated position, then an unprocessed part is sucked, and finally the unprocessed part is placed at the lens clamping jig 105, the grinding wheel 204 is in a stop state in this period of time, and a certain amount of time is wasted. Preferably, the positional relationship between the first suction cup 423 and the second suction cup 425 in the X-axis direction and the Y-axis direction corresponds to the positional relationship between the lens primary positioning device 106 and the lens clamping jig 105, so that placing an unprocessed piece and sucking a finished piece can be performed simultaneously.

Referring to fig. 7, the core taking machine further includes a tray assembly 500, the tray assembly 500 includes a lower support frame 501, a grinding fluid receiving tray 502 fixed on the lower support frame 501, an upper support frame 503 fixed on the grinding fluid receiving tray 502, and a to-be-processed material tray 504 and a finished material tray 505 fixed on the upper support frame 503, and the upper support frame 503 is provided with a positioning mechanism 506 for positioning the to-be-processed material tray 504 and the finished material tray 505. Specifically, the polishing slurry receiving tray 502 is used for storing polishing slurry, which is a waste material generated during processing of the lens, to prevent environmental pollution due to leakage. The finished material tray 505 is used for storing finished lenses, and the to-be-processed material tray 504 is used for storing unprocessed lenses, namely incoming materials. The positioning mechanism 506 can adopt a simple structure of a positioning rod, and can play a role in positioning the material tray and ensure that the position of the lens is accurate.

The working principle is as follows: the second suction cup 425 is under the motion control of the feeding and discharging shift mechanism 410, and moves to the lens 600 above the material tray 504 to be processed, the second lifting mechanism 424 descends, the second suction cup 425 sucks the lens 600 in vacuum, the second lifting mechanism 424 ascends and then moves to the primary lens positioning device 106, and the lens 600 is placed on the platform of the primary lens positioning device 106 for primary positioning. Similarly, the first suction disc 423 on the first lifting mechanism 422 sucks the primarily positioned lens 600 by vacuum on the primary lens positioning device 106, and then moves to the position of the lens clamping fixture 105, so as to place the lens 600 on the lens clamping fixture 105, and simultaneously open the vacuum to lock the lens 600.

After the completion of above implementation, just can be right lens 600 grinds convex surface processing, grinds convex surface processing and accomplishes the back, and edging processing is the core and gets after that, grinds convex surface and edging processing implementation process as follows:

the X-axis shifting mechanism 301, the Y-axis shifting mechanism 302 and the Z-axis shifting mechanism 303 are controlled to drive the grinding wheel 204 to move, so that the central axis of the grinding wheel 204 is aligned parallel to the central axis of the first air bearing spindle 103 in the X-axis direction, the rotating central axis of the rotating mechanism 304 intersects with the central axis of the grinding convex surface R of the lens 600, the lowest point of the annular hemispherical surface of the grinding wheel 204 is aligned parallel to the central axis of the first air bearing spindle 103 in the Y-axis direction, and the lowest point of the annular hemispherical surface of the grinding wheel 204 is kept above the rotating central axis of the rotating mechanism 304, and the central distance is greater than the convex radius value of the grinding convex surface of the lens 600 (the added value is grinding allowance). The first air bearing spindle 103 drives the lens 600 to perform low-speed rotation, the grinding wheel 204 performs high-speed rotation (the rotation speed is greater than 10000 rpm), the rotating mechanism 304 performs reciprocating swing motion, the Z-axis shifting mechanism 303 descends once every time the reciprocating swing motion is performed, and the descending value is the processing feed amount until the processed spherical radius is equal to the convex radius required by the grinding of the convex surface of the lens 600.

After finishing the convex surface grinding of the lens 600, controlling the X-axis shifting mechanism 301 and the Z-axis shifting mechanism 303 to move, so that the central axis of the grinding wheel 204 and the central axis of the first air bearing spindle 103 are aligned in parallel in the X-axis direction, the central distance between the outermost edge of the annular hemispherical surface of the grinding wheel 204 and the central axis of the first air bearing spindle 103 in the X-axis direction is kept to be greater than the radius value of the lens 600 to be ground (the difference value is the grinding allowance), and the outermost edge of the annular hemispherical surface of the grinding wheel 204 is kept to be slightly higher than the lens 600. Control first air supporting main shaft 103 drives lens 600 is made low-speed rotary motion, simultaneously grinding wheel 204 is made high-speed (the rotational speed is greater than 10000 revolutions per minute) rotary motion, Z axle displacement mechanism 303 drives grinding wheel 204 makes up and down reciprocating motion, every up and down reciprocating motion of Z axle displacement mechanism 303 is once, X axle displacement mechanism 301 just up lens 600 center direction removes a distance (this value is edging processing feed), reaches until edging processing the radius value that lens 600 will edging.

In the process of convex grinding and edge grinding of the lens 600, the force sensor 104 is always in real-time detection and monitoring of grinding force in X, Y and Z-axis, and if the force sensor 104 detects that the grinding force is too large in any one of X, Y and Z-axis, real-time intelligent control adjustment processing can be realized, and normal work is ensured.

While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, particular embodiments, but rather to those skilled in the art, having the benefit of the teachings of the present invention, which is capable of modification in various other respects, all without departing from the scope of the invention, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (10)

1. An optical lens core extractor for processing a lens (600), characterized by: comprises a lens centering assembly (100), a grinding wheel assembly (200) and a rotary displacement assembly (300);

the lens centering assembly (100) comprises a first mounting plate (101), a first driving mechanism (102), a first air floating main shaft (103), a force sensor (104) and a lens clamping jig (105), wherein the first air floating main shaft (103) is mounted on the first mounting plate (101), the first driving mechanism (102) is connected with the first air floating main shaft (103), the force sensor (104) is mounted on the first air floating main shaft (103), and the lens clamping jig (105) is mounted on the force sensor (104) and used for fixing the lens (600);

the grinding wheel assembly (200) is mounted on the rotary displacement assembly (300) and used for machining the lens (600) at the lens clamping jig (105), and the rotary displacement assembly (300) is used for driving the grinding wheel assembly (200) to displace and rotate.

2. An optical lens core extractor according to claim 1, wherein: the grinding wheel assembly (200) comprises a second mounting plate (201), a second air-floating spindle (202), a second driving mechanism (203) and a grinding wheel (204), the second mounting plate (201) is mounted on the rotary displacement assembly (300), the second air-floating spindle (202) and the second driving mechanism (203) are mounted on the second mounting plate (201), the second driving mechanism (203) is connected with the second air-floating spindle (202), and the grinding wheel (204) is mounted on the second air-floating spindle (202).

3. An optical lens core extractor according to claim 1, wherein: the rotary displacement assembly (300) comprises an X-axis displacement mechanism (301), a Y-axis displacement mechanism (302), a Z-axis displacement mechanism (303) and a rotary mechanism (304), wherein the Y-axis displacement mechanism (302) is installed on the X-axis displacement mechanism (301), the rotary mechanism (304) is installed on the Y-axis displacement mechanism (302), the Z-axis displacement mechanism (303) is installed on the rotary mechanism (304), and the grinding wheel assembly (200) is installed on the Z-axis displacement mechanism (303).

4. An optical lens core extractor according to claim 1, wherein: and a vacuum suction hole for tightly sucking the lens (600) is arranged on the contact surface of the lens clamping jig (105) and the lens (600).

5. An optical lens core extractor according to claim 1, wherein: the lens centering assembly (100) further comprises a primary lens positioning device (106), the primary lens positioning device (106) being mounted on the first mounting plate (101).

6. An optical lens core extractor according to claim 1, wherein: the core taking machine further comprises a feeding and discharging assembly (400), wherein the feeding and discharging assembly (400) comprises a feeding and discharging shifting mechanism (410) and a material fixing mechanism (420), the feeding and discharging shifting mechanism (410) is used for driving the material fixing mechanism (420) to move, and the material fixing mechanism (420) is used for fixing the lens (600).

7. An optical lens core extractor according to claim 6, wherein: the material fixing mechanism (420) comprises a third mounting plate (421), a first lifting mechanism (422), a first sucker (423), a second lifting mechanism (424) and a second sucker (425), the third mounting plate (421) is mounted on the feeding and discharging displacement mechanism (410), the first lifting mechanism (422) and the second lifting mechanism (424) are fixed on the third mounting plate (421), the first sucker (423) is fixed on the output end of the first lifting mechanism (422), and the second sucker (425) is fixed on the output end of the second lifting mechanism (424).

8. An optical lens core extractor according to claim 1, wherein: the core taking machine further comprises a material tray assembly (500), wherein the material tray assembly (500) comprises a lower support frame (501), a grinding fluid receiving disc (502) fixed on the lower support frame (501), an upper support frame (503) fixed on the grinding fluid receiving disc (502) and a material tray (504) to be processed and a finished product material tray (505) fixed on the upper support frame (503).

9. An optical lens core extractor according to claim 8, wherein: and the upper support frame (503) is provided with a positioning mechanism (506) for positioning the material tray (504) to be processed and the finished product material tray (505).

10. An optical lens core extractor according to claim 1, wherein: the first driving mechanism (102) comprises a speed reducing motor, and the speed reducing motor drives the first air floatation main shaft (103) to rotate through a synchronous belt.

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