CN220584466U

CN220584466U - Optical cemented lens clamp

Info

Publication number: CN220584466U
Application number: CN202321879466.4U
Authority: CN
Inventors: 夏明罡; 张伟杰; 刘雄巍
Original assignee: Waveparticle Beijing Optoelectronics Technology Co ltd
Current assignee: Waveparticle Beijing Optoelectronics Technology Co ltd
Priority date: 2023-07-17
Filing date: 2023-07-17
Publication date: 2024-03-12
Anticipated expiration: 2033-07-17

Abstract

The utility model relates to the technical field of optical cemented lens clamps, in particular to an optical cemented lens clamp. Including the mount table, be equipped with the lens mounting groove in the mount table, mount table one end is equipped with the fixed block, the inside first magnet that is equipped with of fixed block, the mount table with the one end sliding connection that the fixed block is relative has the slider, the inside second magnet that is equipped with of slider. This anchor clamps carry out the centre gripping to the cemented lens through fixed block and the slider of setting in lens mounting groove both sides, and when glue solidification warp, be located first magnet fixed in the fixed block, the second magnet follows the slider and removes along the spout, prevents that the lens adhesion that leads to along with glue solidification deformation from unstable or cracked condition from taking place, and has got rid of each side influences such as manual work, lets its application of force maintain in a comparatively stable level, has obviously promoted prism and lens cemented yield, has reduced cemented lens's manufacturing cost.

Description

Optical cemented lens clamp

Technical Field

The utility model relates to the technical field of optical cemented lens clamps, in particular to an optical cemented lens clamp.

Background

With the development of optical technology and application, the use of cemented lenses is becoming more and more common. The optical lens gluing is mainly used for improving the image quality of an optical system by optical components, reducing the light energy loss, increasing the imaging definition, protecting the scale surface, and further optimizing the processing flow to meet the design requirement.

The glued lenses are generally glued by two to three lenses, the glued lenses are bonded by glue, and the curing is completed by irradiation of curing equipment. Glue for adhering optical elements generally deforms to a certain extent along with solidification, so that adhesion is unstable or broken, the yield is reduced to a certain extent, and the manufacturing cost of the glued lens is increased. Therefore, a fixture for bonding lenses is provided to prevent the lens from being stuck unstably or cracked due to deformation caused by solidification of optical glue.

Disclosure of Invention

The utility model aims to provide an optical cemented lens clamp which can prevent the occurrence of unstable adhesion or breakage of a lens caused by solidification and deformation of glue, and reduce the manufacturing cost of the cemented lens.

The utility model provides an optical glued lens clamp which comprises a mounting table, wherein a lens mounting groove is formed in the mounting table, a fixed block is arranged at one end of the mounting table, a first magnet is arranged in the fixed block, a sliding block is connected to one end, opposite to the fixed block, of the mounting table in a sliding mode, and a second magnet is arranged in the sliding block.

Further, one end inside the mounting table is provided with a cylindrical sliding groove, the sliding groove is communicated with the lens mounting groove, and the sliding block is positioned in the sliding groove and slides along the central axis direction of the sliding groove.

Further, a limiting groove is formed in one end, opposite to the sliding groove, of the mounting table, the limiting groove is communicated with the lens mounting groove, and the fixing block is located in the limiting groove.

Further, still include extrusion anchor clamps, extrusion anchor clamps include the support, the support includes the crossbeam and fixes the landing leg at crossbeam both ends, two the landing leg respectively with two lateral walls that the mount pad is relative are connected, crossbeam and one of them all be equipped with the extrusion pole on the landing leg, the mount pad with the position that the extrusion pole corresponds is equipped with the through-hole, the through-hole with lens mounting groove intercommunication.

Further, the crossbeam and one of the landing legs are provided with round pipes, the round pipes are provided with internal threads, the extrusion rod is provided with external threads, the internal threads are matched with the external threads, and one end, away from the installation table, of the extrusion rod is fixedly connected with a knob.

Further, the lens mounting groove is square in shape.

Further, a cavity is formed in the middle of the fixed block, the first magnet is arranged in the cavity, an end cover is arranged on the outer side of the cavity, and the end cover is connected with the fixed block through bolts.

Further, the sliding block comprises a cylinder, the side wall of the cylinder is fixedly connected with a special-shaped plate, the cylinder is located in the sliding groove, the special-shaped plate is located outside the mounting table, a cavity is formed in the cylinder, and the second magnet is arranged in the cavity.

Further, a cover plate is arranged on the outer side of the cavity, and the cover plate is connected with the cylinder through bolts.

Further, the mounting table, the fixing block and the sliding block are all made of aluminum.

In summary, compared with the prior art, the utility model has the following advantages:

according to the technical scheme, the adhesive lenses are placed in the lens mounting grooves of the mounting table through the mounting table, and the lenses are clamped by the fixing blocks and the sliding blocks; the force application direction is adjusted through the first magnet and the second magnet; when the glue solidifies and deforms, the first magnet located in the fixed block is fixed, the second magnet moves along the sliding groove along the sliding block, force which can generate huge change along with tiny deformation is changed into force which cannot generate huge change along with tiny deformation, the phenomenon that the lens is adhered unstably or cracked along with the glue solidifies and deforms is prevented, the influence of various aspects such as manpower is eliminated, the force applied by the lens is maintained at a relatively stable level, and the glued yield of the prism and the lens is obviously improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front view of an optical bonding lens holder according to an embodiment of the present utility model;

FIG. 2 is a rear view of an optical cement lens holder according to an embodiment of the present utility model;

FIG. 3 is a left side view of an optical cement lens holder according to an embodiment of the present utility model;

FIG. 4 is a right side view of an optical cement lens holder according to an embodiment of the present utility model;

FIG. 5 is a schematic view of an optical bonding lens holder according to an embodiment of the present utility model;

FIG. 6 is a schematic view of a mounting table according to an embodiment of the present utility model;

FIG. 7 is a schematic view of a structure of a fixing block according to an embodiment of the present utility model;

fig. 8 is a schematic structural diagram of a slider according to an embodiment of the present utility model.

Reference numerals illustrate: 1-mount, 101-lens mounting groove, 102-limit groove, 103-spout, 2-fixed block, 201-end cover, 202-first magnet, 203-bolt, 3-slider, 301-cylinder, 302-profiled plate, 303-cover plate, 4-bracket, 401-circular tube, 402-extrusion rod, 403-knob.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples

An optical cement lens holder as shown in figures 1, 2, 3, 4 and 5.

The fixed block 2 is installed to the back lateral wall of mount table 1, and the preceding lateral wall sliding connection of mount table 1 has slider 3. The mount 1 is provided with a lens mounting groove 101 as shown in fig. 6. The rear side wall of the mounting table 1 is provided with a limiting groove 102, and the limiting groove 102 is communicated with a lens mounting groove 101. The fixing block 2 extends into the limit groove 102 and can be tightly attached to the adhesive lens in the lens mounting groove 101. The mounting table 1, the fixed block 2 and the sliding block 3 are all made of aluminum.

As shown in fig. 7, the fixed block 2 is rectangular, a cavity is formed in the fixed block 2, a first magnet 202 is placed in the cavity, an end cover 201 is arranged outside the cavity, and the end cover 201 is connected with the fixed block 2 through a bolt 203 and is used for packaging the first magnet 202 in the fixed block 2.

The inside one end that is opposite with spacing groove 102 of mount table 1 is equipped with cylindrical spout 103, and spout 103 and lens mounting groove 101 intercommunication, slider 3 are located spout 103 to hug closely with spout 103 inner wall, slider 3 remove along the axis of spout 103, and the one end of slider 3 closely laminates with the veneer lens in the lens mounting groove 101, and with fixed block 2 combined action centre gripping lens. The chute 103 is provided to restrict the direction of the biasing force, and to avoid the direction of the biasing force from changing. As shown in fig. 8, the slider 3 is composed of a cylinder 301 and a profiled plate 302, a cavity is provided in the middle of the cylinder 301, a second magnet is placed in the cavity, and a cover plate 303 is bolted to the outer side of the cylinder 301 for encapsulating the second magnet in the slider 3. The cylinder 301 is placed in the chute 103, the profiled plate 302 is located at the top of the mounting table 1, the top of the mounting table 1 is provided with a groove, the groove is communicated with the chute 103, and the connection of the profiled plate 302 and the cylinder 301 is located in the groove. The profiled plate 302 serves to limit the movement of the slider 3 only in the axial direction of the chute 103, i.e. back and forth in fig. 1.

The first magnet and the second magnet that set up are located the opposite both sides of lens mounting groove, utilize the appeal of magnet to extrude the cemented lens, have certain effort size adjustable between fixed block and the slider, can calculate and control through changing the quantity and the distance of first magnet, second magnet, can not take place the abrupt change when the optical cement solidifies and produce deformation, can maintain a comparatively stable application of force size.

Still install extrusion anchor clamps on mount table 1, extrusion anchor clamps include support 4, and support 4 comprises the crossbeam and fixes the landing leg at the crossbeam both ends, and two landing legs respectively with mount table 1's left side wall and right side wall fixed connection adopt the bolt fastening in this embodiment. Round tubes 401 are arranged on the supporting legs of the cross beam and the right side wall, the round tubes 401 on the cross beam are mutually perpendicular to the cross beam, the round tubes 401 on the supporting leg on the right side are mutually perpendicular to the supporting legs, extrusion rods 402 are arranged in the round tubes 401, internal threads are arranged in the round tubes 401, the extrusion rods 402 are provided with external threads, the internal threads are matched with the external threads, and one end, far away from the mounting table 1, of each extrusion rod 402 is fixedly connected with a knob 403. By rotating the knob 403 clockwise, the pressing rod 402 is made to approach the mount 1 along the round tube 401. The mounting table 1 is provided with through holes at positions corresponding to the two round tubes 401, the through holes are communicated with the lens mounting groove 101, and when the knob 403 is rotated clockwise, the extrusion rod 402 passes through the through holes to contact with the glued lens in the lens mounting groove 101, so that the gluing is smoother.

The application method of the clamp provided by the utility model comprises the following steps: taking the example of the hawk prism array adhesion,

(1) Before use, a piece of glass with a smooth enough surface is placed in the lens mounting groove 101 to form a plane;

(2) After the single-edge Bowell prism is arranged, an appropriate amount of optical glue is smeared at the adhered gap, then the single-edge Bowell prism is placed on a glass sheet in the lens mounting groove 101, then the sliding block 3 is placed in the sliding groove 103, the fixed block 2 is placed in the limiting groove 102, the fixed block 2 and the sliding block 3 clamp the adhered Bowell prism array, and a stable external force is applied to the single-edge Bowell prism array through the first magnet and the second magnet;

(3) And extruding the other two directions of the Bowell prism array by using an extruding device 4 to ensure the flatness of each surface of the Bowell prism array, and finally, irradiating by using an ultraviolet lamp to wait for the solidification of the glue and then opening the clamp to obtain the adhered Bowell prism array.

The clamp provided by the utility model adopts a mode of changing the rigid force application which is not moved into a flexible force application mode, the force which is greatly changed along with the tiny deformation is changed into the force which is not greatly changed along with the tiny deformation, the first magnet is fixed, the second magnet can move along the central axis of the chute, when the glue is solidified and deformed in the gluing process, the second magnet can move back and forth along the chute, the situation that the lens is stuck unstably or disintegrated along with the solidification and deformation of the glue is prevented, the influence of various aspects such as manpower is eliminated, the force application is maintained at a relatively stable level, the prism and the lens gluing rate are obviously improved, and the manufacturing cost of the glued lens is reduced.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. The optical cementing lens clamp is characterized by comprising a mounting table (1), wherein a lens mounting groove (101) is formed in the mounting table (1), a fixed block (2) is arranged at one end of the mounting table (1), a first magnet (202) is arranged in the fixed block (2), a sliding block (3) is slidably connected to one end, opposite to the fixed block (2), of the mounting table (1), and a second magnet is arranged in the sliding block (3);

still include extrusion anchor clamps, extrusion anchor clamps include support (4), support (4) include the crossbeam and fix the landing leg at crossbeam both ends, two the landing leg respectively with two lateral walls that mount table (1) are relative are connected, crossbeam and one of them all be equipped with extrusion pole (402) on the landing leg, mount table (1) with the position that extrusion pole (402) corresponds is equipped with the through-hole, the through-hole with lens mounting groove (101) intercommunication.

2. The optical cemented lens holder according to claim 1, characterized in that a cylindrical chute (103) is provided at one end inside the mounting table (1), the chute (103) being in communication with the lens mounting groove (101), the slider (3) being located in the chute (103) and sliding in the direction of the central axis of the chute (103).

3. The optical cement lens clamp according to claim 2, characterized in that a limiting groove (102) is formed in one end of the mounting table (1) opposite to the sliding groove (103), the limiting groove (102) is communicated with the lens mounting groove (101), and the fixing block (2) is located in the limiting groove (102).

4. The optical cemented lens clamp according to claim 1, characterized in that the cross beam and one of the legs are provided with a circular tube (401), the circular tube (401) is provided with an internal thread, the extrusion rod (402) is provided with an external thread, the internal thread is matched with the external thread, and a knob (403) is fixedly connected to one end of the extrusion rod (402) away from the mounting table (1).

5. The optical cement lens holder according to claim 1, wherein the lens mounting groove (101) is square in shape.

6. The optical cemented lens holder according to claim 1, characterized in that a cavity is provided in the middle of the fixing block (2), the first magnet (202) is provided in the cavity, an end cap (201) is provided outside the cavity, and the end cap (201) is bolted to the fixing block (2).

7. Optical cement lens clamp according to claim 2, characterized in that the slider (3) comprises a cylinder (301), the side wall of the cylinder (301) is fixedly connected with a profiled plate (302), the cylinder (301) is located in the chute (103), the profiled plate (302) is located outside the mounting table (1), a cavity is provided in the cylinder (301), and the second magnet is provided in the cavity.

8. The optical cement lens holder according to claim 7, characterized in that a cover plate (303) is provided outside the cavity, the cover plate (303) being bolted to the cylinder (301).

9. The optical cement lens holder according to claim 1, characterized in that the mounting table (1), the fixing block (2) and the slider (3) are all made of aluminum.