CN220419645U - Lens gluing and centering device - Google Patents

Abstract

The application relates to the field of lens processing, in particular to a lens gluing and centering device, which comprises a fixing component and a centering component, wherein the fixing component comprises a bearing disc and a negative pressure device, the bearing disc is suitable for being abutted against a first lens, the bearing disc is a rubber piece, and a plurality of air holes are formed in the bearing disc and can be connected with the negative pressure device through the air holes; the centering assembly comprises a plurality of centering units, each centering unit comprises a centering abutting column, the centering abutting columns are suitable for abutting against the side face of the first lens and the side face of the second lens matched with the first lens, and the centering abutting columns can be mutually close to or far away from each other so as to be capable of centering and clamping the first lens and the second lens in the middle of the bearing disc. The lens gluing and centering device has the technical effect of being difficult to damage lenses.

Description

Lens gluing and centering device

Technical Field

The application belongs to the lens processing field, especially relates to a lens veneer centering device.

Background

The lens gluing is to glue two matched convex lenses and concave lenses to form a lens group so as to achieve the effects of eliminating spherical aberration, chromatic aberration and the like.

Concentricity between the two lenses needs to be ensured during the lens gluing process, and thus the two lenses need to be centered.

The Chinese patent with the publication number of CN217766996U discloses automatic centering gluing equipment, which is characterized in that a first lens and a second lens are simultaneously placed in a slotted hole, so that centering of the two lenses is realized by pressing a centering rod in a pressing component and contact pressing of two auxiliary rods and the second lens, and after the pressing component is pressed down to a certain distance, a piston in negative pressure assembly is driven by two lens driving parts to move to realize suction negative pressure, thereby realizing fixation of the lenses, and the light-transmitting surface of the lenses is easily damaged by the centering mode.

In view of the foregoing, it is desirable to provide a lens glue centering device.

Disclosure of Invention

In order to improve the defects, the application provides a lens gluing and centering device.

The application provides a lens veneer centering device adopts following technical scheme.

The lens gluing and centering device comprises a fixing component and a centering component, wherein the fixing component comprises a bearing disc and a negative pressure device, the bearing disc is suitable for being abutted against a light-transmitting surface of a first lens, the bearing disc is a rubber piece, and a plurality of air holes are formed in the bearing disc and can be connected with the negative pressure device through the air holes; the centering assembly comprises a plurality of centering units, each centering unit comprises a centering abutting column, the centering abutting columns are suitable for abutting against the first lens and a second lens matched with the first lens, and the centering abutting columns can be mutually close to or far away from each other so as to be capable of centering and clamping the first lens and the second lens in the middle of the bearing disc.

Through adopting above-mentioned technical scheme, a plurality of butt posts in centering can be close to each other or keep away from, and each butt post in centering all can with the side butt of first lens and second lens to can be in each centering butt post when being close to each other with first lens and the second lens of placing on the holding dish centering, and the in-process is difficult for causing indentation or mar to the printing opacity face of lens.

Specifically, the tray comprises a plurality of fan-shaped split pieces, the fan-shaped split pieces are arranged at equal angular intervals, and a centering groove suitable for the centering abutting column to pass through is formed between two adjacent fan-shaped split pieces.

Through adopting above-mentioned technical scheme, the design of centering groove can be convenient for realize centering butt post and the butt between the lens side.

Further, each of the fan-shaped split members is provided with a plurality of air holes.

Through adopting above-mentioned technical scheme, can guarantee that each fan-shaped amalgamation piece all can play the fixed effect of absorption to the lens, and can guarantee absorptive homogeneity and stability.

Further, the fixing component further comprises a bearing seat, the bearing seat comprises a base body and a jogged seat arranged on the base body, the bearing disc is fixedly connected with the jogged seat, and the jogged seat is detachably connected with the base body.

By adopting the technical scheme, the matched carrying disc can be replaced according to different lenses.

Further, the embedding seat is provided with a plurality of embedding cavities which are suitable for accommodating the fan-shaped split pieces, the side wall surfaces of the fan-shaped split pieces are abutted with the inner side walls of the embedding cavities, and the centering grooves are formed between two adjacent embedding cavities.

Through adopting above-mentioned technical scheme, can reduce the deformation volume of accepting the dish when adsorbing glass, and can play good location effect to accepting the dish.

Further, the jogged seat is provided with a branch air passage matched with the air hole, the base body is provided with an air chamber and a total air passage, each branch air passage is connected with the corresponding air hole, a plurality of branch air passages are connected with the air chamber, and the air chamber is connected with the negative pressure device through the total air passage.

Through adopting above-mentioned technical scheme, can realize the absorption location to the lens of placing on the holding pan, and required negative pressure device is few.

Further, the centering assembly further comprises a chuck unit and a driving unit, the chuck unit comprises a chuck outer shell, a plurality of clamping jaws, a wire coil disc dental floss disc and an adjusting gear, the centering abutting columns are connected with the clamping jaws, the clamping jaws are connected with the wire coil disc dental floss disc, the wire coil disc dental floss disc is connected with the driving unit through the adjusting gear, so that the clamping jaws can be driven to synchronously move through the driving unit, and the number of the clamping jaws and the number of the centering abutting columns are consistent with that of the centering grooves.

By adopting the technical scheme, the synchronous movement of the centering abutting columns in each centering unit can be realized, so that the centering accuracy is higher and the centering efficiency is high.

Further, the fixing assembly is disposed on the chuck outer shell, the centering abutment column includes an avoidance portion, a connection portion, and an abutment portion, so as to be connected with the claw via the avoidance portion, to be abutted with the first lens and the second lens via the abutment portion, and to be connected with the avoidance portion and the abutment portion via the connection portion, and the centering abutment column is disposed such that when the abutment portions of the centering abutment columns are close to each other and contact, the avoidance portion and the connection portion of each of the centering abutment columns do not contact with the fixing assembly.

Through adopting above-mentioned technical scheme, can be convenient for to the removal of well butt post for the butt portion has great amount of movement in order to adapt to the lens of equidimension.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the centering abutting columns can be mutually close to or far away from each other, and each centering abutting column can abut against the side surfaces of the first lens and the second lens, so that the first lens and the second lens which are placed on the bearing plate can be centered when the centering abutting columns are mutually close to each other, the light-transmitting surface of the lens is not easy to cause indentation or scratch in the centering process, and the optical imaging effect of the lens can be ensured;

2. the bearing plate is fixedly connected with the embedded seat, and the embedded seat is detachably connected with the base body, so that the matched bearing plate can be conveniently replaced according to different lenses, the bearing plate comprises a plurality of fan-shaped split parts which are distributed at equal angular intervals, and a centering groove which is suitable for passing through the middle abutting column is formed between two adjacent fan-shaped split parts, the movement of the middle abutting column can be conveniently achieved, and the influence of the concave-convex shape of the bearing plate is avoided.

Drawings

Fig. 1 is a schematic perspective view of a lens gluing and centering device of the present application.

Fig. 2 is a top view of a lens glue centering device of the present application.

Fig. 3 is a cross-sectional view taken along the direction A-A in fig. 2 (the left hand segment is omitted).

Fig. 4 is a partially enlarged schematic view of region B in fig. 3 (a state after the centering of the first lens and the second lens is added).

Reference numerals: 1. a fixing assembly; 11. a receiving tray; 111. air holes; 112. a fan-shaped split member; 113. a centering groove; 12. a socket; 121. a base body; 1211. a gas chamber; 1212. a total airway; 122. a jogging seat; 1221. a fitting cavity; 1222. a branch air passage; 2. centering components; 21. a centering abutment post; 211. an avoidance unit; 212. a connection part; 213. an abutting portion; 22. a chuck unit; 221. a chuck outer housing; 222. a claw; 223. wire coiling, tooth coiling and flower coiling; 224. an adjusting gear; 23. a driving unit; 31. a first lens; 32. a second lens.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The application discloses a lens veneer centering device.

Referring to fig. 1 and 2, a lens gluing and centering device comprises a fixing component 1 and a centering component 2, wherein the fixing component 1 comprises a bearing disc 11 and a negative pressure device (which can be a negative pressure pump and is not shown in the drawing), and as shown in fig. 3 and 4, the bearing disc 11 is suitable for being abutted with a light-transmitting surface of a first lens 31, the bearing disc 11 is a rubber piece, a plurality of air holes 111 are formed in the bearing disc 11, and the bearing disc 11 can be connected with the negative pressure device through the air holes 111 to fixedly adsorb the first lens 31 on the bearing disc 11; the centering assembly 2 comprises a plurality of centering units, each centering unit comprises a centering abutment post 21, the centering abutment posts 21 are suitable for being abutted against the first lens 31 and the second lens 32 matched with the first lens 31, and the plurality of centering abutment posts can be mutually close to or far away from each other so as to be capable of centering the first lens 31 and the second lens 32 and clamping the middle part of the receiving disc 11, thereby being capable of realizing centering of two lenses and ensuring that the glued lens group has good optical performance.

Specifically, as shown in fig. 4, taking the first lens 31 as a circular concave lens, the second lens 32 as a convex lens, the first light-transmitting surface and the second light-transmitting surface of the first lens 31 are both buckled in the same direction, the buckling degree of the first light-transmitting surface is smaller than that of the second light-transmitting surface, the first lens 31 is contacted with the receiving disc 11 through the first light-transmitting surface, the buckling degree of the surface of the convex lens contacted with the second light-transmitting surface is consistent with that of the second light-transmitting surface, the receiving disc 11 can be set as a circular receiving disc 11, the circular receiving disc 11 is sunken downwards from side to middle, the buckling degree of the concave is consistent with that of the first light-transmitting surface, so as to ensure that the first light-transmitting surface can be well attached to the receiving disc 11, thereby the receiving disc 11 can provide good support for the first lens 31, and the first lens 31 can be further adsorbed on the receiving disc 11 through the air hole 111 and the negative pressure device, so as to be convenient for keeping the static state of the first lens 31, the second lens 31 is easy to be placed on the first lens 31, and the second lens 32 is not in line with the first lens 31, and the UV is not in line with the requirements of the first lens 32; the centering abutment post 21 abuts against the side surfaces of the first lens 31 and the second lens 32, and the receiving disc 11 is a rubber member, so that the light-transmitting surface of the lens is not easy to be creased or scratched in the centering process, and the optical performance of the lens can be ensured.

Specifically, referring to fig. 1 and 4, in one embodiment of the lens gluing and centering device of the present application, the receiving tray 11 may be provided as a split structure including a plurality of segment pieces 112, for example, segment pieces 112,4 provided as 4 quarter-circle segments 112 are arranged at equal angular intervals, and a centering groove 113 adapted to pass through the centering abutment post 21 is formed between two adjacent segment pieces 112, and the design can enable the centering abutment post 21 not to be blocked by the body of the receiving tray 11 when approaching to the middle of the receiving tray 11, so that the centering abutment post 21 can have a larger movement stroke, so as to facilitate centering of lenses of different sizes, and to facilitate enabling the centering abutment post 21 to abut against the side edge of the lens without contacting the body of the receiving tray 11, so as to improve efficiency in centering; it can be understood that a plurality of air holes 111 are formed on each fan-shaped split piece 112, so that each fan-shaped split piece 112 can be ensured to have an adsorption fixing effect on the lens, and uniformity and stability of adsorption can be ensured.

Further, referring to fig. 1, in an embodiment of the lens gluing and centering device of the present application, the fixing assembly 1 further includes a receiving seat 12, the receiving seat 12 includes a base body 121 and a fitting seat 122 disposed on the base body 121, the receiving tray 11 and the fitting seat 122 can be fixedly connected by gluing, and the fitting seat 122 and the base body 121 can be detachably connected by screwing, so as to be capable of conveniently replacing the matched receiving tray 11 according to different lens sizes or shapes.

Specifically, as shown in fig. 2 and 4, a plurality of fitting cavities 1221 adapted to accommodate the fan-shaped split pieces 112 are provided on the fitting seat 122 (taking the above-mentioned setting of the receiving plate 11 to include 4 fan-shaped split pieces 112 in a quarter-circle shape as an example), then the fitting cavities 1221 need to be provided in 4 and equiangular intervals, and the centering grooves 113 in the above-mentioned technical solution can be formed between the adjacent two fitting cavities 1221, specifically, the fitting cavities 1221 may be provided with side walls thereof protruding from the fitting seat 122, and thereby a flange structure can be formed at the lower portion of the outer side walls of the fitting cavities 1221, so that screw holes can be provided on the flange structure, thereby enabling screw-connection between the fitting seat 122 and the base body 121; the inner wall of the fitting chamber 1221 can be abutted against the side wall surface of the fan-shaped split member 112, so that the deformation amount of the receiving tray 11 made of rubber when adsorbing glass can be reduced, and a good positioning effect can be achieved on the receiving tray 11.

Further, referring to fig. 3 and 4, in one embodiment of the lens gluing and centering device of the present application, the fitting seat 122 is provided with a branch air passage 1222 matching with the air hole 111 on the fan-shaped split 112, the base body 121 is provided with an air chamber 1211 and a total air passage 1212, each branch air passage 1222 is connected with the corresponding air hole 111, a plurality of branch air passages 1222 are connected with the air chamber 1211, and the air chamber 1211 can be connected with a negative pressure device via the total air passage 1212 to realize negative pressure adsorption positioning of the lens placed on the receiving tray 11, and the required negative pressure device is small.

Further, referring to fig. 1 and 2, in one embodiment of the lens glue centering device of the present application, the centering assembly 2 further includes a chuck unit 22 and a driving unit 23, specifically, the receiving disc 11 includes 4 quarter-circle-shaped segment segments 112,4 and is arranged at equal angular intervals according to the above-mentioned segment segments 112, and a centering groove 113 adapted to pass through the centering abutment post 21 is formed between two adjacent segment segments 112, and then the chuck unit 22 may be a four-jaw chuck, as shown in fig. 2 and 3, which includes a chuck outer shell 221, 4 jaws 222, a wire coil disc gear 223 and an adjusting gear 224, the centering abutment post 21 is connected with the jaws 222, the jaws 222 are connected with the wire coil disc gear 223, the wire coil disc gear 223 is connected with the driving unit 23 via the adjusting gear 224, the driving unit 23 may include a motor, a transmission gear set, and a transmission shaft, and the motor is connected with the transmission shaft through the transmission gear set, so as to rotate the adjusting gear 224 to drive the wire coil disc 223, thereby enabling the 4 jaws 21 to move synchronously, so as to achieve a high centering efficiency, or a high approaching or separating process from each other from the jaws 21.

Since the 4 claws 222 of the four-claw chuck are distributed at equal angular intervals and the angular intervals between the two adjacent claws 222 are 90 degrees, the 4 centering abutment posts 21 can be distributed at equal angular intervals, the angular intervals between the two adjacent centering abutment posts 21 are 90 degrees, and when the fixing assembly 1 is arranged on the chuck outer shell 221, the positions of the 4 centering abutment posts 21 are required to be ensured to correspond to the positions of the centering grooves 113, so that the centering of the lens along two perpendicular directions can be realized, and the centering precision of the lens is higher; and it should be noted that the bottom of the base body 121 in the fixing assembly 1 needs to be provided with a slot structure suitable for the passage of the claw 222.

Further, referring to fig. 1, in an embodiment of the lens gluing and centering device of the present application, the centering abutment post 21 may specifically be configured to include a relief portion 211, a connection portion 212, and an abutment portion 213, so as to be connected to one end of the claw 222 away from the center of the chuck via the relief portion 211, abut the first lens 31 and the second lens 32 via the abutment portion 213, and connect the relief portion 211 and the abutment portion 213 via the connection portion 212, and the centering abutment posts 21 are configured such that when the abutment portions 213 of the plurality of centering abutment posts 21 approach each other and contact each other, the relief portion 211 and the connection portion 212 of each centering abutment post 21 do not contact the fixing assembly 1; wherein the abutting portion 213 is arranged in the vertical direction, and a hard rubber layer may be provided on a surface thereof abutting against the first lens 31 and the second lens 32; the connecting portion 212 is movable in the centering groove 113 with the middle portion of the receiving plate 11 on the fixing assembly 1 being located directly below the contact position when the abutting portions 213 of the plurality of centering abutting posts 21 come close to and contact each other, the above-described design can facilitate movement of the centering abutting posts 21, so that the abutting portions 213 have a large amount of movement to fit lenses of different sizes, and accuracy of centering adjustment can be ensured.

The implementation principle of the lens gluing and centering device in the embodiment of the application is as follows: set up a plurality of centering butt posts 21 that can be close to each other or keep away from, and each centering butt post 21 all can with the side butt of first lens 31 and second lens 32 to can be when each centering butt post 21 is close to each other with placing first lens 31 and the second lens 32 on accepting dish 11 and centering, and the in-process of centering is difficult for causing indentation or mar to the printing opacity face of lens, can guarantee the optical imaging effect of lens.

The bearing plate 11 is fixedly connected with the embedded seat 122, and the embedded seat 122 is detachably connected with the base body 121, so that the bearing plate 11 matched with different lenses can be conveniently replaced, the bearing plate 11 comprises a plurality of fan-shaped split pieces 112 which are distributed at equal angular intervals, and a centering groove 113 suitable for passing through the middle abutting column 21 is formed between two adjacent fan-shaped split pieces 112, and therefore the movement of the middle abutting column 21 can be facilitated without being influenced by the concave-convex shape of the bearing plate 11.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The lens gluing and centering device is characterized by comprising a fixing component (1) and a centering component (2), wherein the fixing component (1) comprises a bearing disc (11) and a negative pressure device, the bearing disc (11) is suitable for being abutted with a light-transmitting surface of a first lens (31), the bearing disc (11) is a rubber piece, and a plurality of air holes (111) are formed in the bearing disc (11) and can be connected with the negative pressure device through the air holes (111); the centering assembly (2) comprises a plurality of centering units, each centering unit comprises a centering abutting column (21), the centering abutting columns (21) are suitable for abutting against the side face of the first lens (31) and the side face of the second lens (32) matched with the first lens (31), and the centering abutting columns (21) can be mutually close to or far away from each other so as to enable the first lens (31) and the second lens (32) to be centered and clamped in the middle of the bearing disc (11).

2. The lens glue centering device of claim 1, wherein: the receiving tray (11) comprises a plurality of sector-shaped split pieces (112), a plurality of sector-shaped split pieces (112) are arranged at equal angular intervals, and a centering groove (113) suitable for the passage of the centering abutting column (21) is formed between two adjacent sector-shaped split pieces (112).

3. The lens glue centering device of claim 2, wherein: a plurality of air holes (111) are formed in each fan-shaped split piece (112).

4. A lens glue centering device as claimed in claim 2 or 3, wherein: the fixing assembly (1) further comprises a bearing seat (12), the bearing seat (12) comprises a base body (121) and a jogged seat (122) arranged on the base body (121), the bearing disc (11) is fixedly connected with the jogged seat (122), and the jogged seat (122) is detachably connected with the base body (121).

5. The lens glue centering device of claim 4, wherein: the embedded seat (122) is provided with a plurality of embedded cavities (1221) which are suitable for accommodating the fan-shaped split pieces (112), the side wall surfaces of the fan-shaped split pieces (112) are abutted against the inner side walls of the embedded cavities (1221), and the centering grooves (113) are formed between two adjacent embedded cavities (1221).

6. The lens glue centering device of claim 5, wherein: the embedded seat (122) is provided with branch air passages (1222) matched with the air holes (111), the base body (121) is provided with an air chamber (1211) and a total air passage (1212), each branch air passage (1222) is connected with the corresponding air hole (111), a plurality of branch air passages (1222) are connected with the air chamber (1211), and the air chamber (1211) is connected with the negative pressure device through the total air passage (1212).

7. A lens glue centering device as claimed in claim 2 or 3, wherein: the centering assembly (2) further comprises a chuck unit (22) and a driving unit (23), the chuck unit (22) comprises a chuck outer shell (221), a plurality of clamping jaws (222), a wire coil cam (223) and an adjusting gear (224), the centering abutting column (21) is connected with the clamping jaws (222), the clamping jaws (222) are connected with the wire coil cam (223), and the wire coil cam (223) is connected with the driving unit (23) through the adjusting gear (224) so as to drive a plurality of clamping jaws (222) to synchronously move through the driving unit (23), and the quantity of the clamping jaws (222) and the centering abutting columns (21) is consistent with the quantity of the centering grooves (113).

8. The lens glue centering device of claim 7, wherein: the fixing assembly (1) is arranged on the chuck outer shell (221), the centering abutting column (21) comprises an avoidance portion (211), a connecting portion (212) and an abutting portion (213), the avoidance portion (211) is connected with the clamping jaw (222) through the avoidance portion, the first lens (31) and the second lens (32) are abutted through the abutting portion (213), the avoidance portion (211) and the abutting portion (213) are connected through the connecting portion (212), and the centering abutting column (21) is arranged to be in contact with each other when the abutting portions (213) of the centering abutting columns (21) are close to each other, and the avoidance portion (211) and the connecting portion (212) of each centering abutting column (21) are not in contact with the fixing assembly (1).