CN212919110U

CN212919110U - Quick center positioning device for optical lens

Info

Publication number: CN212919110U
Application number: CN202021920039.2U
Authority: CN
Inventors: 朴万洙; 朴远灿
Original assignee: Changzhou Axin Photoelectric Co ltd
Current assignee: CHANGZHOU WOXIN OPTICS Co.,Ltd.
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-04-09
Anticipated expiration: 2030-09-07

Abstract

The utility model discloses a quick central positioner of optical lens, the on-line screen storage device comprises a base, the base left and right sides is fixed with movable post and fixed column respectively, the right side swing joint of activity post has last clamping device and lower clamping device, it sets up with the same and symmetry of lower clamping device structure to go up clamping device, clamping device includes down fixing base, lower outer tube-shaped frame and lower inner tube-shaped frame down, still be equipped with on the base and fill gassing device, it is connected with the connecting pipe and puts up internal connection through connecting pipe and lower inner tube-shaped to fill gassing device, still the symmetry is equipped with central adjusting device on activity post and the fixed column respectively. The utility model discloses can guarantee positioning speed and form the protection to the lens surface when going on the heart-penetrating location aligning.

Description

Quick center positioning device for optical lens

Technical Field

The utility model relates to a lens location technical field specifically is a quick central positioner of optical lens.

Background

The lens is subjected to spherical surface processing of the front and back surfaces thereof, and then to peripheral processing with reference to an optical axis determined by the processed spherical surface. In order to perform accurate peripheral processing, it is necessary to perform centering and positioning first, and perform lens centering while clamping the lens by using the fixing frame, and the process steps during clamping the lens or during continuously performing centering are generally manually adjusted by an operator, and generally, the process is not only slow, but also the surface of the lens is easily worn when the lens moves laterally due to over-tight clamping of the fixing frame.

SUMMERY OF THE UTILITY MODEL

In order to achieve the above object, the utility model provides a following technical scheme: a quick center positioning device for an optical lens comprises a base, wherein a movable column and a fixed column are respectively fixed on the left side and the right side of the base, the right side of the movable column is movably connected with an upper clamping device and a lower clamping device, the upper clamping device and the lower clamping device are identical in structure and are symmetrically arranged, the lower clamping device comprises a lower fixing seat, a lower outer cylindrical frame and a lower inner cylindrical frame, the bottom of the lower outer cylindrical frame is fixedly connected with the lower fixing seat, the lower inner cylindrical frame is nested in the lower outer cylindrical frame, the outer diameter of the lower inner cylindrical frame is identical to the inner diameter of the lower outer cylindrical frame, a spring is fixedly connected with the bottom of the lower inner cylindrical frame, the other side of the spring is fixedly connected with the lower outer cylindrical frame, a telescopic cavity is formed between the lower inner cylindrical frame and the lower outer cylindrical frame through the spring, an air charging and discharging device is further arranged on the base, the air charging and discharging device is connected with a connecting pipe and is connected with the, and center adjusting devices are respectively and symmetrically arranged on the movable column and the fixed column.

Preferably, the top of the movable column is provided with a rotating motor, the movable cavity is arranged inside the movable column, a bidirectional screw rod is arranged in the movable cavity in a rotating mode, the top of the bidirectional screw rod is connected with the output end of the rotating motor, sliders are sleeved on the upper side and the lower side of the bidirectional screw rod respectively, the two sliders are connected with an upper supporting rod and a lower supporting rod respectively towards one side of the fixed column, the upper supporting rod and the lower supporting rod are connected with an upper clamping device and a lower clamping device respectively, and a guide groove for the upper supporting rod and the lower supporting rod to move up and down is further formed in the movable column.

Preferably, the bottom of the lower inner cylindrical frame is provided with a through hole A, the bottom of the lower outer cylindrical frame is provided with a through hole B, the lower fixing seat is provided with a channel communicated with the through hole B, and an outer opening of the channel is connected with the connecting pipe.

Preferably, the center adjusting device comprises two electric telescopic rods, and two opposite surfaces of the two electric telescopic rods are provided with rotary grinding tools.

Preferably, the top opening of the lower inner cylindrical frame is trumpet-shaped.

Preferably, the lower inner cylindrical frame is made of resin.

Compared with the prior art, the beneficial effects of the utility model are as follows:

when centering and adjusting, compress tightly through spring and upper and lower inner tube shape frame, have very big deformation space when keeping the clamp force, prevent to damage lens when adjusting, it is simple quick, adsorb the centre gripping through pneumatic adsorption equipment to lens after the centering finishes and replaced cylinder drive in the past to compressing tightly fixedly of lens, be difficult to receive the injury when can guaranteeing that lens press from both sides tightly, the safety effect is better.

Drawings

FIG. 1 is a schematic diagram of the system of the present invention;

FIG. 2 is an enlarged structural view of the upper and lower clamping devices of the present invention;

in the figure: 1. a base; 2. a movable post; 3. fixing a column; 4. an upper fixed seat; 5. an upper outer cylindrical frame; 6. an upper inner cylindrical frame; 7. a lower fixed seat; 8. a lower outer cylindrical frame; 9. a lower inner cylindrical frame; 10. a spring; 11. a telescoping chamber; 12. an air charging and discharging device; 13. a connecting pipe; 14. a rotating electric machine; 15. a movable cavity; 16. a bidirectional screw; 17. a slider; 18. an upper support rod; 19. a lower support bar; 20. a guide groove; 21. a through hole A; 22. a through hole B; 23. a channel; 24. an electric telescopic rod; 25. a rotary grinding tool.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a fast center positioning device for optical lens comprises a base 1, a movable post 2 and a fixed post 3 are respectively fixed on the left and right sides of the base 1, a rotating motor 14 is arranged on the top of the movable post 2, a movable cavity 15 is arranged inside the movable post 2, a bidirectional screw 16 is rotatably arranged in the movable cavity 15, the top of the bidirectional screw 16 is connected with the output end of the rotating motor 14, sliders 17 are respectively sleeved on the upper and lower sides of the bidirectional screw 16, the thread directions of the two sides of the bidirectional screw 16 are opposite, the rotating motor 14 drives the bidirectional screw 16 to rotate, then drives the two sets of sliders 17 to simultaneously slide towards the center or two ends, one side of each set of sliders 17 facing the fixed post 3 is respectively connected with an upper support rod 18 and a lower support rod 19, the upper support rod 18 and the lower support rod 19 are respectively connected with an upper clamping device and a lower clamping device, a guide groove 20 for the upper, the upper clamping device and the lower clamping device are identical in structure and are symmetrically arranged, the lower clamping device comprises a lower fixed seat 7, a lower outer cylindrical frame 8 and a lower inner cylindrical frame 9, the bottom of the lower outer cylindrical frame 8 is fixedly connected with the lower fixed seat 7, the lower inner cylindrical frame 9 is nested in the lower outer cylindrical frame 8, the outer diameter of the lower inner cylindrical frame 9 is identical to the inner diameter of the lower outer cylindrical frame, the bottom of the lower inner cylindrical frame 9 is fixedly connected with a spring 10, the other side of the spring 10 is fixedly connected with the lower outer cylindrical frame, a telescopic cavity 11 is formed between the lower inner cylindrical frame and the lower outer cylindrical frame through the spring 10, the top opening of the lower inner cylindrical frame is in a horn shape, the upper clamping device structure is identical to the lower clamping device structure and comprises an upper fixed seat 4, an upper outer cylindrical frame 5 and an upper inner cylindrical frame 6, the specific connection mode refers to the lower clamping device, a lens is placed at an opening on the lower inner cylindrical frame, and the base 1 is also, the inflation and deflation device 12 is connected with a connecting pipe 13 and is connected with the inner cylindrical frame through the connecting pipe 13, the bottom of the lower inner cylindrical frame is provided with a through hole A21, the bottom of the lower outer cylindrical frame is provided with a through hole B22, the lower fixing seat 7 is provided with a channel 23 communicated with the through hole B22, the outer opening of the channel 23 is connected with the connecting pipe 13, and the lens can be firmly adsorbed on the top of the lower inner cylindrical frame by the inspiration of the inflation and deflation device 12. In the same way, it also can set up corresponding and fill the structure that gas filling device 12 is connected to go up clamping device, select in this embodiment with down clamping device with fill gas filling structural connection, still the symmetry respectively is equipped with central adjusting device on activity post 2 and the fixed column 3, central adjusting device includes two electric telescopic handle 24, the one side that two electric telescopic handle 24 are relative all is equipped with rotatory grinding apparatus 25, promote the left and right position that rotatory grinding apparatus 25 can adjust lens through both sides electric telescopic handle 24, it can drive rotatory grinding apparatus 25 rotatory to be equipped with the motor in the inside of rotatory grinding apparatus 25, thereby it carries out position control to drive the lens rotation. In this embodiment, the lower inner cylindrical frame and the upper inner cylindrical frame are both made of resin or other soft materials, so that the surface of the lens is further prevented from being damaged during aligning.

The utility model discloses a theory of use is: firstly, a lens is placed at an opening of a lower inner cylindrical frame, two groups of sliding blocks 17 are driven to move towards the center by driving a rotating motor 14, so that an upper clamping device and a lower clamping device are driven to approach towards the middle, when the upper inner cylindrical frame 6 is contacted with the lens, the rotating motor 14 is closed, the upper inner cylindrical frame 6 and the lower inner cylindrical frame 9 contract towards respective telescopic cavities 11, at the same time, due to the action of a spring 10, the upper inner cylindrical frame 6 and the lower inner cylindrical frame 9 have a large deformation space while maintaining clamping force on the lens, at the same time, the left and right positions of the lens are centered and adjusted by driving electric telescopic rods 24 at two sides to extend towards the lens, corresponding centering adjustment is carried out again after the lens is driven to rotate by driving a rotating grinding tool 25, after the centering adjustment is finished, an air charging and discharging device 12 is started to enable the inner part of the lower inner cylindrical frame to generate negative pressure, and the lens, and carrying out subsequent grinding process.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a quick central positioner of optical lens which characterized in that: comprises a base (1), wherein the left side and the right side of the base (1) are respectively fixed with a movable column (2) and a fixed column (3), the right side of the movable column (2) is movably connected with an upper clamping device and a lower clamping device, the upper clamping device and the lower clamping device are identical in structure and are symmetrically arranged, the lower clamping device comprises a lower fixed seat (7), a lower outer cylindrical frame (8) and a lower inner cylindrical frame (9), the bottom of the lower outer cylindrical frame (8) is fixedly connected with the lower fixed seat (7), the lower inner cylindrical frame (9) is embedded in the lower outer cylindrical frame (8), the outer diameter of the lower inner cylindrical frame (9) is identical to the inner diameter of the lower outer cylindrical frame, the bottom of the lower inner cylindrical frame (9) is fixedly connected with a spring (10), the other side of the spring (10) is fixedly connected with the lower outer cylindrical frame, and a telescopic cavity (11) is formed between the lower inner cylindrical frame and the lower outer cylindrical frame through the spring (10), the base (1) is further provided with an air charging and discharging device (12), the air charging and discharging device (12) is connected with a connecting pipe (13) and is connected with the inner part of the lower inner cylindrical frame (9) through the connecting pipe (13), and the movable column (2) and the fixed column (3) are further symmetrically provided with center adjusting devices respectively.

2. The apparatus of claim 1, wherein: activity post (2) top is equipped with rotating electrical machines (14), activity post (2) inside is equipped with movable chamber (15), activity chamber (15) internal rotation is equipped with two-way screw rod (16), the top of two-way screw rod (16) is connected with the output of rotating electrical machines (14), the upper and lower both sides of two-way screw rod (16) all are equipped with slider (17), and are two sets of slider (17) are all connected with bracing piece (18) and lower support bar (19) respectively towards one side of fixed column (3), go up bracing piece (18) and lower support bar (19) and connect clamping device and lower clamping device respectively, still set up guide slot (20) that supply bracing piece (18) and lower support bar (19) to reciprocate on activity post (2).

3. The apparatus of claim 1, wherein: the lower inner cylindrical frame is provided with a through hole A (21) at the bottom, the lower outer cylindrical frame is provided with a through hole B (22) at the bottom, a channel (23) communicated with the through hole B (22) is arranged in the lower fixing seat (7), and an outer opening of the channel (23) is connected with the connecting pipe (13).

4. The apparatus of claim 1, wherein: the center adjusting device comprises two electric telescopic rods (24), and one opposite surface of each electric telescopic rod (24) is provided with a rotary grinding tool (25).

5. The apparatus of claim 1, wherein: the top opening of the lower inner cylindrical frame is in a horn shape.

6. The apparatus of claim 1, wherein: the lower inner cylindrical frame is made of resin.