CN219609321U - Core fixing device for glued lens - Google Patents

Abstract

The utility model relates to a glued lens centering device, which is applied to the field of lens centering technology. The device comprises a base, a laminating driving mechanism and a pair of sliding plates which are arranged on the base in a sliding manner, wherein the laminating driving mechanism is used for driving the pair of sliding plates to move towards a direction which is close to or far away from each other, a core fixing mechanism and a core fixing driving mechanism for driving the core fixing mechanism are arranged on the pair of sliding plates, a positioning mechanism for positioning lenses is arranged below the core fixing mechanism on the sliding plates, and the lenses are arranged on the positioning mechanism; the centering mechanism comprises three centering components, the three centering components are arranged in a 'delta' shape, three guide holes for the centering components to match and slide are formed in the sliding plate, the centering components are arranged in the guide holes in a one-to-one correspondence mode and are connected with the centering driving mechanism, the lens is located between the three centering components, and the centering components are abutted to the lens. The utility model has the following effects: a pair of lenses can be accurately and quickly fitted together while reducing the likelihood of damage to the lenses.

Description

Core fixing device for glued lens

Technical Field

The utility model relates to the technical field of lens centering, in particular to a glued lens centering device.

Background

The glued lens is formed by superposing and bonding two semi-finished lenses with opposite R values and same outer diameter materials, so that the transmittance can be improved, the chromatic aberration can be eliminated, and the processing difficulty of the complex optical glasses can be reduced. The two lenses can be placed and overlapped by a worker manually or by the lens centering device, then the overlapped positions of the lenses are observed, the centering of the two lenses is adjusted, and the two lenses after centering can be bonded in the next working procedure.

The Chinese patent with publication number CN216646935 discloses a core fixing device for gluing plastic lenses, which comprises a mounting base and a core fixing plate, wherein the outer surface of the core fixing plate is fixedly connected with a sucking disc, and a regulating and controlling device is arranged in the core fixing plate. The regulating and controlling device comprises a regulating and controlling motor and a pair of regulating plates, wherein the regulating and controlling motor is fixed on the outer surface of the fixed core plate, an output shaft of the regulating and controlling motor is fixedly connected with a rotating shaft through a coupler, the rotating shaft is fixedly connected with a threaded rod, a threaded groove is formed in the regulating plate, the outer surface of the threaded rod is in threaded connection with the inner part of the threaded groove, and threads of the pair of threaded grooves are reversely arranged. The outer surface sliding connection of fixed core has splint, and the surface fixedly connected with cardboard of splint, and the draw-in groove has been seted up to the inside of fixed core, and cardboard sliding connection is in the inside of draw-in groove, and the surface of regulating plate and the surface fixed connection of cardboard.

When adjusting the position of lens, paste the lens on the sucking disc, start the regulation and control motor afterwards, let two regulating plates towards opposite direction removal, drive splint press from both sides tight with the lens, two regulation and control motors are the same, can let the height of two lenses the same and press from both sides tight like this, then promote the push rod, make the side of a pair of lens keep unanimous.

In view of the above-mentioned related art, the inventor considers that when adjusting the position of the lens, the centering device for gluing the plastic lens makes the pair of clamping plates clamp the lens, and then pushes the push rod to align the sides of the pair of lenses. Because the lens is clamped between the pair of clamping plates, the push rod is pushed to adjust the position of the lens, and the lens is stressed more and is easy to damage.

Disclosure of Invention

In order to solve the problem that the lens is easily damaged due to larger stress in the process of adjusting the position of the lens, the utility model provides a gluing lens centering device.

The utility model provides a glued lens centering device, which adopts the following technical scheme:

the utility model provides a glue lens centering device, includes base, laminating actuating mechanism and a pair of slide that slides and set up on the base, laminating actuating mechanism is used for driving a pair of slide to be close to each other or the direction of keeping away from each other removes, all is equipped with centering mechanism and is used for driving centering actuating mechanism's centering actuating mechanism on a pair of slide, the slide is located the below of centering mechanism is equipped with the positioning mechanism that is used for the lens to fix a position, and the lens is placed on the positioning mechanism;

the centering mechanism comprises three centering components, the three centering components are arranged in a 'delta' shape, three guide holes for the centering components to slide in a matched mode are formed in the sliding plate, the centering components are arranged in the guide holes in a one-to-one correspondence mode and are connected with the centering driving mechanism, the lens is located between the three centering components, and the centering components are abutted to the lens.

By adopting the technical scheme, the lenses are placed on the positioning mechanisms in one-to-one correspondence, so that the horizontal heights of a pair of lenses are the same. And then the three centering components are driven by the centering driving mechanism and simultaneously move towards the direction close to the lens for the same distance, and finally the three centering components are abutted against the lens to clamp and fix the lens.

In the process of moving the centering components, one centering component firstly contacts with the lens and then pushes the lens to move in the direction close to the other centering component on the positioning mechanism, and the three centering components simultaneously move by the same distance, so that the lens can be finally stopped at the designated position of the positioning mechanism, and the side edges of the pair of lenses are aligned. Compared with the method that after the lenses are clamped, the pair of lenses are pushed to align the side edges of the pair of lenses, the utility model does not need to overcome the force of clamping the lenses by the clamping plates, thereby reducing the possibility of damage to the lenses caused by larger stress.

After the side edges of the lenses are aligned, the attaching driving mechanism is started to enable the pair of sliding plates to move towards the directions close to each other, so that the pair of lenses can be accurately and quickly attached together.

Optionally, the positioning mechanism includes locating plate, limiting plate and locates the screw rod on the limiting plate, the locating plate is located on the slide and be on a parallel with the base sets up, the lens is arranged in on the locating plate, the limiting plate laminating is dorsad at the lens one side of slide, screw rod threaded connection is in on the locating plate.

Through adopting above-mentioned technical scheme, the locating plate is fixed on the slide, places the lens on the locating plate, can make the level of a pair of lens the same. The limiting plate is detachably connected to the positioning plate through the screw rod, so that the limiting plate can limit the lens.

Optionally, the core fixing component comprises a core fixing plate and a rubber layer arranged on the core fixing plate, wherein the core fixing plate is connected with the core fixing driving mechanism, and the rubber layer is abutted against the lens.

By adopting the technical scheme, the three core fixing plates are driven to move in the guide holes by the core fixing driving mechanism, so that the three core fixing plates can clamp or release the lenses.

Optionally, the fixed core actuating mechanism includes fixed core motor, is used for driving fixed core board drive assembly and the drive assembly who is used for driving drive assembly that slides, fixed core motor locates on the slide, drive assembly with drive motor's output shaft, drive assembly with fixed core board is connected.

Through adopting above-mentioned technical scheme, through the action of centering motor drive transmission subassembly, make transmission subassembly can drive three drive assembly and move simultaneously, make three centering board can remove simultaneously or stop, with the final lens removal to the appointed position of locating plate.

Optionally, the driving assembly comprises three gears and racks, the gears are arranged on the transmission assembly, the racks are slidably arranged on the sliding plate, the racks are connected with the fixed core plate in a one-to-one correspondence manner, and the racks are meshed with the gears in a one-to-one correspondence manner.

Through adopting above-mentioned technical scheme, through drive assembly drive three gear simultaneous rotation to can drive three rack and remove simultaneously or stop, make three core fixing plate can remove the same distance simultaneously, remove the lens to the assigned position on the locating plate, and carry out the centre gripping to the lens fixedly.

Optionally, the transmission subassembly includes chain, three pivot and locates epaxial sprocket, the pivot rotates to be connected on the slide, the chain is simultaneously around locating three on the sprocket, one of them the pivot with the output shaft of centering motor.

By adopting the technical scheme, under the transmission action of the chain and the chain wheel, the three rotating shafts can be simultaneously rotated, so that the three gears can be driven to be simultaneously rotated, and the three fixed core plates can be simultaneously moved.

Optionally, a dovetail block is arranged on the rack, a dovetail groove for the dovetail block to slide in a matched manner is arranged on the sliding plate, and the dovetail block is arranged in the dovetail groove.

Through adopting above-mentioned technical scheme, through dovetail piece and dovetail matched with, make the rack can be under the drive of gear more stable removal.

Optionally, the laminating driving mechanism comprises a driving motor, a bidirectional screw and a pair of sliding blocks, a limit groove for the sliding plates to slide in a matched manner is formed in the base, the bidirectional screw is rotationally connected in the limit groove, the driving motor is arranged on the base, and the bidirectional screw is connected with an output shaft of the driving motor;

the sliding blocks are in one-to-one correspondence with the sliding plates, one sliding block is in threaded connection with the left-handed thread section of the bidirectional screw, and the other sliding block is in threaded connection with the right-handed thread section of the bidirectional screw.

Through adopting above-mentioned technical scheme, through the rotation of driving motor drive two-way lead screw, make the slide can be moved towards the direction that is close to each other or keeps away from each other under the drive of slider to can make the laminating of a pair of lens together fast.

In summary, the present utility model includes at least one of the following beneficial effects:

1. the lenses are placed on the positioning mechanism in a one-to-one correspondence manner, so that the horizontal heights of a pair of lenses are the same, and in the moving process of the centering assemblies, the centering assemblies are positioned at the left side and the right side of the lenses, one centering assembly firstly contacts with the lenses and then pushes the lenses to move on the positioning mechanism towards the direction close to the other centering assembly, and as the three centering assemblies simultaneously move by the same distance, the lenses can be finally stopped at the designated position of the positioning mechanism, and the side edges of the pair of lenses are aligned;

2. compared with the method that after the lenses are clamped, the pair of lenses are pushed to align the side edges of the pair of lenses, the utility model does not need to overcome the force of clamping the lenses by the clamping plates, thereby reducing the possibility of damage caused by larger stress of the lenses;

3. after the side edges of the lenses are aligned, the attaching driving mechanism is started to enable the pair of sliding plates to move towards the directions close to each other, so that the pair of lenses can be accurately and quickly attached together.

Drawings

Fig. 1 is a schematic view of a cemented lens centering device according to an embodiment of the utility model.

Fig. 2 is an enlarged view of a portion B in fig. 1.

FIG. 3 is a schematic view of a portion of a cemented lens centering device according to an embodiment of the present utility model.

Fig. 4 is an enlarged view of a portion a in fig. 1.

Reference numerals: 1. a base; 101. a limit groove; 2. a bonding driving mechanism; 21. a driving motor; 22. a bidirectional screw rod; 23. a slide block; 3. a slide plate; 31. a guide hole; 32. a dovetail groove; 4. a core fixing mechanism; 41. a core fixing component; 411. a core fixing plate; 412. a rubber layer; 5. a core fixing driving mechanism; 51. a core fixing motor; 52. a drive assembly; 521. a gear; 522. a rack; 523. dovetail blocks; 53. a transmission assembly; 531. a chain; 532. a rotating shaft; 533. a sprocket; 6. a positioning mechanism; 61. a positioning plate; 62. a limiting plate; 63. a screw; 7. a lens.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-4.

The embodiment of the utility model discloses a centering device for a glued lens 7. Referring to fig. 1 and 2, the centering device for the adhesive lens 7 comprises a base 1, a laminating driving mechanism 2, a pair of sliding plates 3, a centering mechanism 4, a centering driving mechanism 5 and a positioning mechanism 6, wherein the laminating driving mechanism 2 comprises a driving motor 21, a bidirectional screw 22 and a pair of sliding blocks 23, and the driving motor 21 is arranged on the base 1. The base 1 is provided with a limit groove 101 for the sliding plate 3 to slide in a matched manner, one end of the bidirectional screw rod 22 is rotationally connected in the limit groove 101, the other end of the bidirectional screw rod 22 penetrates out of the limit groove 101 to be coaxially connected with an output shaft of the driving motor 21, and the bidirectional screw rod 22 is driven to rotate through the driving motor 21. The sliding plates 3 are symmetrically distributed by taking the axis of the base 1 as a symmetry center, the sliding blocks 23 are fixed on the bottom wall of the sliding plate 3 in one-to-one correspondence, one sliding block 23 is in threaded connection with the left-hand thread section of the bidirectional screw rod 22, and the other sliding block 23 is in threaded connection with the right-hand thread section of the bidirectional screw rod 22, so that when the bidirectional screw rod 22 rotates, the sliding plates 3 can move in directions approaching to or separating from each other under the driving of the sliding blocks 23.

The positioning mechanisms 6, the core fixing mechanisms 4 and the core fixing driving mechanisms 5 are arranged on the sliding plate 3 in a one-to-one correspondence manner, and the positioning mechanisms 6, the core fixing mechanisms 4 and the core fixing driving mechanisms 5 are symmetrically distributed by taking the axis of the base 1 as a symmetrical center. The lens 7 is placed on the positioning mechanism 6, and then the lens 7 is moved to a designated position of the positioning mechanism 6 by the centering driving mechanism 5, so that a pair of lenses 7 can be overlapped, and the lens 7 is clamped and fixed by the driving centering mechanism 4. The driving motor 21 is started again to drive the pair of sliding plates 3 to move towards the directions approaching each other, so that the pair of lenses 7 can be accurately and quickly attached together.

Referring to fig. 2 and 3, the positioning mechanism 6 includes a positioning plate 61, a limiting plate 62 and a screw 63 fixed on the limiting plate 62, the limiting plate 62 is disposed parallel to the base 1 and fixed on the slide plate 3, in this embodiment, the cross section of the limiting plate 62 is "L" shaped, and the lenses 7 are placed on the bottom wall of the positioning plate 61 so that the horizontal heights of the pair of lenses 7 are the same. The contact area between the lens 7 and the sliding plate 3 can be reduced by attaching the lens 7 to the side wall of the positioning plate 61, and the possibility of abrasion during the movement of the lens 7 is reduced. Screw 63 threaded connection is on locating plate 61, and limiting plate 62 laminating is in the lens 7 one side of backing to slide 3, makes limiting plate 62 can carry out spacingly to lens 7, reduces the possibility that lens 7 takes place to empty in the removal in-process. After the centering mechanism 4 clamps the lenses 7, the limiting plate 62 is rotated to remove the limiting plate 62, so that a pair of lenses 7 can be attached to each other.

Referring to fig. 1 and 2, the centering mechanism 4 includes three centering components 41, the three centering components 41 are arranged in a 'delta' shape, three guide holes 31 for the centering components 41 to slide in a matched manner are arranged on the sliding plate 3, the centering components 41 are arranged in the guide holes 31 in a one-to-one correspondence manner, and the lenses 7 are positioned among the three centering components 41. The centering assembly 41 comprises a centering plate 411 and a rubber layer 412 adhered to the centering plate 411, wherein the centering plate 411 is connected with the centering driving mechanism 5, the centering driving mechanism 5 drives the three centering plates 411, and simultaneously moves the same distance towards the direction close to the lens 7, and finally the three rubber layers 412 are abutted against the lens 7 to clamp and fix the lens 7, so that the possibility of damage to the lens 7 can be reduced under the buffer of the rubber layers 412.

Referring to fig. 1 and 4, the centering driving mechanism 5 includes a centering motor 51, a driving assembly 52 and a transmission assembly 53, the transmission assembly 53 includes a chain 531, three rotating shafts 532 and a sprocket 533 coaxially connected to the rotating shafts 532, the rotating shafts 532 are rotatably connected to the slide plate 3, the centering motor 51 is mounted on the slide plate 3, and one of the rotating shafts 532 is connected to an output shaft of the centering motor 51. The chain 531 is wound on the three sprockets 533 simultaneously, and the centering motor 51 is started, so that the three rotating shafts 532 can be driven to rotate simultaneously under the transmission action of the chain 531 and the sprockets 533.

The driving assembly 52 comprises three gears 521, a rack 522 and dovetail blocks 523 integrally formed on the rack 522, three dovetail grooves 32 for the dovetail blocks 523 to slide in a matched manner are formed in the sliding plate 3, and the dovetail blocks 523 are arranged in the dovetail grooves 32 in a one-to-one correspondence manner, so that the rack 522 can stably slide on the sliding plate 3. The gears 521 are coaxially connected to the rotating shafts 532 in a one-to-one correspondence manner, the racks 522 are fixedly connected to the fixed core plates 411 in a one-to-one correspondence manner, and the gears 521 are meshed with the racks 522 in a one-to-one correspondence manner, so that the three gears 521 can be driven to rotate synchronously through the fixed core motor 51, the three racks 522 can be simultaneously moved by the same distance or stopped, the three fixed core plates 411 can be simultaneously moved by the same distance or stopped, the lens 7 can be moved to a designated position on the positioning plate 61, and the lens 7 can be clamped and fixed.

In the process of moving the lens 7, the rubber layers 412 located at the left and right sides of the lens 7 push the lens 7 to move on the positioning plate 61 in a direction approaching to the other rubber layer 412 after one rubber layer 412 contacts the lens 7, and as the three centering plates 411 and the rubber layers 412 move the same distance at the same time, the lens 7 can be finally stopped at the designated position of the positioning plate 61, and the side edges of the pair of lenses 7 are aligned. Compared with the method that after the lenses 7 are clamped, the pair of lenses 7 are pushed to align the sides of the pair of lenses 7, the clamping plate does not need to overcome the force of clamping the lenses 7, so that the possibility of damage caused by larger stress of the lenses 7 can be reduced.

The pair of lenses 7 are positioned at the same horizontal height, and after the sides of the pair of lenses 7 are matched and aligned with the clamping driving mechanism through the clamping mechanism, a pair of mirror surfaces can be overlapped. Then the limiting plate 62 is removed, the driving motor 21 is started, and the pair of sliding plates 3 are driven to move towards the directions approaching to each other, so that the pair of lenses 7 can be accurately and quickly attached together.

The implementation principle of the centering device for the glued lens 7 provided by the embodiment of the utility model is as follows: when in use, the lens 7 is placed on the positioning plate 61, the screw 63 is connected to the positioning plate 61 in a threaded manner, so that the limiting plate 62 is attached to the lens 7, and the lens 7 is limited. Then, the centering motor 51 is started to drive the three gears 521 to synchronously rotate, so that the three racks 522 simultaneously move by the same distance or stop, and the three centering plates 411 can simultaneously move by the same distance or stop.

In the process of moving the lens 7, the rubber layers 412 located at the left and right sides of the lens 7 push the lens 7 to move on the positioning plate 61 in a direction approaching to the other rubber layer 412 after one rubber layer 412 contacts the lens 7, and as the three centering plates 411 and the rubber layers 412 move the same distance at the same time, the lens 7 can be finally stopped at the designated position of the positioning plate 61, and the side edges of the pair of lenses 7 are aligned. Compared with the method that after the lenses 7 are clamped, the pair of lenses 7 are pushed to align the sides of the pair of lenses 7, the clamping plate does not need to overcome the force of clamping the lenses 7, so that the possibility of damage caused by larger stress of the lenses 7 can be reduced.

After the lens 7 is clamped, the limiting plate 62 is taken down, the driving motor 21 is started, and the pair of sliding plates 3 are driven to move towards the directions approaching to each other, so that the pair of lenses 7 can be accurately and quickly attached together.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (8)

1. The utility model provides a cementing lens centering device, includes base, laminating actuating mechanism and a pair of slide that slides and set up on the base, and laminating actuating mechanism is used for driving a pair of slide and moves towards the direction that is close to each other or keep away from each other, all is equipped with centering mechanism and is used for driving centering actuating mechanism of centering mechanism on a pair of slide, its characterized in that: the sliding plate is provided with a positioning mechanism for positioning the lens, and the lens is arranged on the positioning mechanism;

the centering mechanism comprises three centering components, the three centering components are arranged in a 'delta' shape, three guide holes for the centering components to slide in a matched mode are formed in the sliding plate, the centering components are arranged in the guide holes in a one-to-one correspondence mode and are connected with the centering driving mechanism, the lens is located between the three centering components, and the centering components are abutted to the lens.

2. The adhesive lens centering device of claim 1, wherein: the locating mechanism comprises a locating plate, a limiting plate and a screw rod arranged on the limiting plate, the locating plate is arranged on the sliding plate and parallel to the base, the lens is arranged on the locating plate, the limiting plate is attached to one side of the lens, which faces away from the sliding plate, and the screw rod is in threaded connection with the locating plate.

3. The adhesive lens centering device of claim 1, wherein: the centering component comprises a centering plate and a rubber layer arranged on the centering plate, the centering plate is connected with the centering driving mechanism, and the rubber layer is abutted against the lens.

4. A glue lens centering device as claimed in claim 3, wherein: the fixed core driving mechanism comprises a fixed core motor, a driving assembly for driving the fixed core plate to slide and a transmission assembly for driving the driving assembly, wherein the fixed core motor is arranged on the sliding plate, the transmission assembly is connected with an output shaft of the fixed core motor, and the driving assembly is connected with the fixed core plate.

5. The adhesive lens centering device of claim 4, wherein: the driving assembly comprises three gears and racks, the gears are arranged on the transmission assembly, the racks are slidably arranged on the sliding plate, the racks are connected with the fixed core plate in one-to-one correspondence, and the racks are meshed with the gears in one-to-one correspondence.

6. The adhesive lens centering device of claim 5, wherein: the transmission assembly comprises a chain, three rotating shafts and a sprocket wheel arranged on the rotating shafts, the rotating shafts are rotationally connected to the sliding plate, the chain is wound on the three sprocket wheels at the same time, and one rotating shaft is connected with an output shaft of the core fixing motor.

7. The adhesive lens centering device of claim 5, wherein: the rack is provided with a dovetail block, the slide plate is provided with a dovetail groove for the dovetail block to slide in a matched manner, and the dovetail block is arranged in the dovetail groove.

8. The adhesive lens centering device of claim 1, wherein: the laminating driving mechanism comprises a driving motor, a bidirectional screw rod and a pair of sliding blocks, wherein a limiting groove for the sliding plates to slide in a matched manner is formed in the base, the bidirectional screw rod is rotationally connected in the limiting groove, the driving motor is arranged on the base, and the bidirectional screw rod is connected with an output shaft of the driving motor;

the sliding blocks are in one-to-one correspondence with the sliding plates, one sliding block is in threaded connection with the left-handed thread section of the bidirectional screw, and the other sliding block is in threaded connection with the right-handed thread section of the bidirectional screw.