CN210894820U

CN210894820U - Lens centering structure

Info

Publication number: CN210894820U
Application number: CN201920920224.2U
Authority: CN
Inventors: 罗健峰
Original assignee: Shenzhen Agilebull Technology Co ltd
Current assignee: Shenzhen Agilebull Technology Co ltd
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-06-30
Anticipated expiration: 2029-06-19

Abstract

The utility model relates to a lens centering structure, comprising an installation base plate, be equipped with centering device platform on the mounting base plate, centering device bench installs a subassembly, two arbitrary side-mounting of centering device platform have microscope and aligning subassembly, centering device platform includes the accurate adjustment platform, the accurate adjustment platform is portable to be matched with aligning subassembly and microscope and is detected the concentricity of lens, the utility model discloses can carry out the centering to the lens of two coincide fully-automatically, and can detect automatically after fixing a position, degree of automation is high, reduces the human cost, increases production efficiency, ensures the yields.

Description

Lens centering structure

Technical Field

The utility model relates to an optical lens piece preparation technical field especially relates to a lens centering structure.

Background

In the process of gluing the cemented lenses, it is very important to adjust the concentricity of the upper and lower lenses using a centering instrument. Manual centering apparatuses are now commonly used for inspection. The manual centering instrument is characterized in that a lens is manually placed under a microscope, a thumb fixes a lower lens, a ten-finger dials an upper lens, and eyes see whether the cross cursor moves to the position of a datum point. When the lens is moved to the reference point position, the other hand starts the UV lamp to fix the upper lens and the lower lens. The concentricity of the upper lens and the lower lens is adjusted by adopting a manual centering instrument, so that the efficiency is slow and the cost is high; and the ultraviolet lamp can damage human body after long-term irradiation.

At present, chinese patent document with publication number CN203012221U discloses an automatic centering instrument for lens gluing, which comprises a concentric upper ring, a lower ring, a vertical rod and a frame of a cross rod, wherein the lower part of the vertical rod is connected with the edge of the lower ring, one end of a spring is connected at the center of the cross rod, the other end of the spring is connected at the center of the upper ring, one end of a lifting rod passes through the cross rod to be connected at the center of the upper ring, and the other end of the lifting rod is connected on a handle. This device simple structure, though the efficiency of gluing has been improved to a certain extent, degree of automation is low, and detection device focus can't be adjusted, uses inconveniently, and the limitation is big.

Therefore, it is important to increase the degree of automation and improve the gluing efficiency, and the focal length of the detection device can be adjusted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve among the above-mentioned prior art optical lens veneer device's degree of automation low, improve the unable regulation of veneer efficiency detection device focus, it is inconvenient to use, and the big shortcoming of limitation provides a lens centering structure.

The utility model discloses a following technical scheme realizes:

the utility model provides a lens centering structure, includes mounting plate, the last centering device platform that is equipped with of mounting plate, the overhead pen subassembly that pushes up of centering device, microscope and aligning subassembly are installed to two arbitrary side-mounting of centering device platform, the centering device platform includes the precision adjustment platform, the precision adjustment platform can move and with the aligning subassembly with the microscope matches the concentricity that detects the lens.

Further, the centering device platform comprises a bottom plate, a centering device platform installation base is arranged on the bottom plate, the installation base is of a hollow structure, a precise adjustment platform is arranged on the installation base, a centering jig platform is arranged above the precise adjustment platform, a jig seat is arranged in the middle of the centering jig platform through nuts, and a centering jig is arranged in the middle of the upper side of the jig seat.

Further, the bottom plate is installed the light source seat on the position is corresponded at the precision adjustment platform middle part, light source seat below central point puts and is equipped with the light source apron, the screw slide is installed to light source seat top, screw slide middle part top is equipped with the light source board, install T shape screw around the screw slide, scale piece fixed block is installed to the middle part below of precision adjustment platform, the scale piece is installed all around to the scale piece fixed block, the below of scale piece fixed block is the light source, condenser lens seat is installed through the nut on the upper portion of scale piece fixed block, the condensing lens is installed to the top of condenser lens seat, the top of condensing lens is the total reflection lens, the top is equipped with the sealing washer around the total reflection lens, be equipped with the mirror lid around the total reflection lens.

Further, the microscope comprises a microscope base, a microscope support is installed on the microscope base through nuts, the upper end of the microscope support is connected with the fixed block through a dovetail groove assembly, the fixed block is fixed on the long cylinder, an objective lens is installed below the long cylinder, an eyepiece is installed on the long cylinder, and a CCD camera is installed on the eyepiece.

Furthermore, the dovetail groove assembly comprises a dovetail groove seat, a dovetail groove adjusting sheet and a dovetail groove sliding block, a gear device is installed in the dovetail groove seat and comprises a gear, the gear is installed in a gear fixing cylinder, the gear is meshed with a rack, the rack is installed in the dovetail groove sliding block, and a knurled hand wheel is installed on the dovetail groove sliding block.

Further, the aligning subassembly includes the base, install aligning stand and cylinder drive arrangement on the base, install the aligning fixed plate on the aligning stand, the accurate two-dimensional platform of the right side installation of aligning fixed plate, the top of accurate two-dimensional platform links to each other with the aligning support, the aligning support passes through the connecting block and is connected with the aligning adjusting plate, the aligning adjusting plate links to each other with aligning smelting tool lid for the concentricity of lens for lower lens on the adjustment.

Furthermore, the cylinder driving device comprises a first cylinder, a second cylinder and a cylinder mounting plate, the first cylinder is mounted on the base, the cylinder mounting plate is mounted on the left side of the aligning fixing plate, and the second cylinder is mounted on the cylinder mounting plate.

Furthermore, the connecting block includes the guide rail slider, the guide rail slider links to each other with the activity kicking block, be equipped with the stopper on the guide rail slider, be equipped with lamp distal end fixed block on the stopper, the left side of guide rail slider links to each other with the fishplate bar, the fishplate bar passes through the boss and links to each other with the aligning adjusting plate.

The technical scheme has the advantages of realizing automatic centering of the upper lens and the lower lens, improving the gluing efficiency and having strong reliability.

Description of the drawings:

fig. 1 is a perspective view of a lens centering structure according to an embodiment of the present invention;

fig. 2 is a perspective view of a centering device table and a microscope of a lens centering structure according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of a centering device table of a lens centering structure according to an embodiment of the present invention;

figure 4 is a cross-sectional view of a microscope with a lens centering structure according to an embodiment of the present invention;

fig. 5 is a perspective view of a centering mechanism of a lens centering structure according to an embodiment of the present invention.

To further clarify the structure and connection between the various components of the present invention, the following reference numerals are given and described:

10-a base plate; 20-centering device table, 21-bottom plate, 22-base, 23-precision adjusting table, 25-centering tool table, 251-tool base, 252-centering tool, 260-light source base, 261-light source cover plate, 262-light source plate, 263-light source, 270-screw sliding base, 271-T-shaped screw, 280-scale plate fixing block, 281-scale plate, 290-condenser lens base, 291-condenser lens, 292-total reflection lens, 293-sealing ring and 294-lens cover; 30-a pen-top assembly; 40-microscope, 41-microscope base, 42-microscope stand, 43-dovetail groove assembly, 431-dovetail groove base, 432-dovetail groove adjustment sheet, 433-dovetail groove slide block, 44-gear device, 441-gear fixing barrel, 442-gear, 443-rack, 444-knurled hand wheel, 45-fixing block, 46-long barrel, 47-objective, 48-eyepiece and 49-CCD camera; 50-a centering assembly, 51-a base, 52-a centering upright post, 53-a cylinder driving device, 531-a first cylinder, 532-a second cylinder, 533-a cylinder mounting plate, 54-a centering fixing plate, 55-a precise two-dimensional platform, 56-a centering bracket, 560-a connecting block, 561-a guide rail sliding block, 562-a movable top block, 563-a limiting block, 564-a lamp far-end fixing block, 565-a connecting plate, 566-a reinforcing block, 57-a centering adjusting plate and 58-a centering fixture cover.

Detailed Description

In order to make the technical means, purpose and efficacy of the present invention easy to understand, the following embodiments of the present invention are described in detail with reference to the specific drawings.

The utility model provides a lens centering structure, includes mounting plate 10, be equipped with centering device platform 20 on the mounting plate, install a top subassembly 30 on the centering device platform 20, microscope 40 and aligning subassembly 50 are installed to two arbitrary flank sides of centering device platform 20, centering device platform 20 includes precision adjustment platform 23, precision adjustment platform 23 can move and with aligning subassembly 50 with the concentricity of lens is detected in the cooperation of microscope 40.

The centering device table 20 comprises a bottom plate 21, the bottom plate 21 is provided with a centering device table mounting base 22, the mounting base 22 is of a hollow structure, the mounting base 22 is provided with a precise adjusting table 23, a centering jig table 25 is arranged above the precise adjusting table 23, a jig seat 251 is arranged in the middle of the centering jig table 25 through a nut, and a centering jig 252 is arranged in the middle of the upper side of the jig seat 251. The centering fixture is used for carrying and placing the upper lens and the lower lens which are bonded and complete air exhaust.

The bottom plate 21 is provided with a light source seat 260 at a corresponding position in the middle of the fine adjustment table 23, a light source cover plate 261 is arranged at the center position below the light source seat 260, a nut sliding seat 270 is arranged above the light source seat 260, a light source plate 262 is arranged above the middle part of the nut sliding seat 270, a T-shaped nut 271 is arranged around the nut sliding seat 270, a scale plate fixing block 280 is arranged below the middle part of the precision adjusting table 23, scale plates 281 are arranged around the scale plate fixing block 280, a light source 263 is arranged below the scale plate fixing block 280, a condenser lens base 290 is arranged at the upper part of the scale plate fixing block 280 through a nut, a condenser 291 is arranged above the condenser seat 290, a total reflection lens 292 is arranged above the condenser 291, a sealing ring 293 is arranged above the periphery of the total reflection lens 292, and a lens cover 294 is arranged around the total reflection lens 292.

Microscope 40 includes microscope base 41, install microscope support 42 through the nut on the microscope base, the upper end of microscope support 42 passes through dovetail assembly 43 and links to each other with fixed block 45, fixed block 45 is fixed on a long section of thick bamboo 46, install objective 47 below a long section of thick bamboo 46, eyepiece 48 is installed to the higher authority of a long section of thick bamboo 46, install CCD camera 49 on the eyepiece 48. The CCD camera 49 is a higher precision CCD for obtaining image information of the concentricity of the lower lens and the upper lens appearing in the microscope 40.

The dovetail groove assembly 43 comprises a dovetail groove seat 431, a dovetail groove adjusting sheet 432 and a dovetail groove sliding block 433, wherein a gear device 44 is installed in the dovetail groove seat 431, the gear device 44 comprises a gear 442, the gear 442 is installed in a gear fixing barrel 441, the gear 442 is meshed with a rack 443, the rack 443 is installed in the dovetail groove sliding block 433, and a knurled handwheel 444 is installed on the dovetail groove sliding block 433. The microscope 40 drives the microscope lens barrel to move up and down through the matching of the knurled handwheel 444, the gear 442 and the rack 443.

The aligning subassembly 50 includes base 51, install aligning stand 52 and cylinder drive arrangement 53 on the base 51, install aligning fixed plate 54 on the aligning stand 52, the accurate two-dimensional platform 55 of the right side installation of aligning fixed plate 54, the top of accurate two-dimensional platform 55 links to each other with aligning support 56, aligning support 56 passes through connecting block 560 and is connected with aligning adjusting plate 57, aligning adjusting plate 57 links to each other with aligning smelting tool lid 58 for the concentricity of lens for lower lens in the adjustment.

The cylinder driving device 53 comprises a first cylinder 531, a second cylinder 532 and a cylinder mounting plate 533, the first cylinder 531 is mounted on the base 51, the upper end of the first cylinder 531 is connected to the connecting block 560, the cylinder mounting plate 533 is mounted on the left side of the aligning fixing plate 54, and the second cylinder 532 is mounted on the cylinder mounting plate 533.

The connecting block 560 comprises a guide rail slider 561, the guide rail slider 561 is connected with the movable top block 562, a limiting block 563 is arranged on the guide rail slider 561, a lamp far-end fixing block 564 is arranged on the limiting block 563, the left side of the guide rail slider 561 is connected with a connecting plate 565, and the connecting plate 565 is connected with the aligning adjusting plate 57 through a reinforcing block 566.

In actual operation, the standard lens is placed in the centering jig 252, the electric pen pushing assembly 30 moves forward on the touch screen, and the standard lens is pushed and fixed by the pen pushing assembly; whether a cross center point generated by the standard lens coincides with a cross center point fixed on a display of the microscope 40 is observed through the microscope 40, the cross center point fixed on the display is a visual fixing reference point, if the cross center point does not coincide with the visual fixing reference point, the precision adjusting table 23 of the centering device table 20 is adjusted, the cross center point generated by the standard lens coincides with the visual fixing reference point, and after the precision adjusting table 23 is adjusted, the precision adjusting table 23 is locked. Then, the position of the aligning assembly 50 is calibrated by using the lens to be processed, the lens to be centered is placed into the centering jig 252, the electric pen pushing assembly 30 moves forward on the touch screen, and the pen pushing assembly pushes and fixes the lower lens; then, the center adjusting assembly 40 is clicked on the touch screen to start descending until the center adjusting jig cover 58 just contacts the upper lens. And finally, after the lens to be processed is put in, the pen pushing assembly 30 can fix the lower lens, the aligning assembly 40 automatically descends, the aligning jig cover 58 downwards presses and slightly moves the upper lens, after the cross center point of the lens to be processed is coincided with the visual reference point, the UV lamp is automatically turned on, the UV of the upper lens and the UV of the lower lens are fixed, the aligning jig cover 58 ascends, the pen pushing assembly 30 is sent out, the processed lens is taken out, and the lens to be processed is put in. The utility model discloses can carry out the centering to two coincide lenses full-automatically, and can detect automatically after the location, degree of automation is high, reduces the human cost, increases production efficiency, ensures the yields.

It is obvious that the above embodiments are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, those skilled in the art should also include various changes, modifications, substitutions and improvements without creative efforts to the embodiments.

Claims

1. The utility model provides a lens centering structure, includes mounting plate (10), be equipped with centering device platform (20) on the mounting plate, install a top subassembly (30) on centering device platform (20), microscope (40) and aligning subassembly (50) are installed to two arbitrary side-mounting of centering device platform (20), its characterized in that, centering device platform (20) are including accurate adjustment platform (23), accurate adjustment platform (23) portable and with microscope (40) with aligning subassembly (50) cooperate the concentricity that detects the lens.

2. The lens centering structure according to claim 1, wherein the centering device table (20) comprises a bottom plate (21), a centering device table mounting base (22) is arranged on the bottom plate (21), the mounting base (22) is of a hollow structure, a precise adjusting table (23) is arranged on the mounting base (22), a centering jig table (25) is arranged above the precise adjusting table (23), a jig seat (251) is arranged in the middle of the centering jig table (25) through a nut, and a centering jig (252) is arranged in the middle of the upper side of the jig seat (251).

3. The lens centering structure according to claim 1, wherein a centering through hole penetrating up and down is formed in the middle of the centering device table (20); the bottom plate (21) is provided with a light source seat (260) at a position corresponding to the centering through hole, the center position below the light source seat (260) is provided with a light source cover plate (261), a nut slide seat (270) is arranged above the light source seat (260), a light source plate (262) is arranged above the middle part of the nut slide seat (270), a T-shaped nut (271) is arranged around the nut slide seat (270), a scale sheet fixing block (280) is arranged below the middle part of the fine adjustment platform (23), scale sheets (281) are arranged around the scale sheet fixing block (280), a light source (263) is arranged below the scale sheet fixing block (280), a condenser lens seat (290) is arranged on the upper part of the scale sheet fixing block (280) through a nut, a condenser lens (291) is arranged above the condenser lens seat (290), and a total reflection lens (292) is arranged above the condenser lens (291), the all-reflection lens (292) is provided with a sealing ring (293) at the upper part around, and a lens cover (294) is arranged around the all-reflection lens (292).

4. The lens centering structure of claim 1, wherein the microscope (40) comprises a microscope base (41), a microscope support (42) is mounted on the microscope base through a nut, the upper end of the microscope support (42) is connected with a fixed block (45) through a dovetail groove assembly (43), the fixed block (45) is fixed on a long barrel (46), an objective lens (47) is mounted below the long barrel (46), an eyepiece lens (48) is mounted above the long barrel (46), and a CCD camera (49) is mounted on the eyepiece lens (48).

5. The lens centering structure according to claim 4, wherein the dovetail assembly (43) comprises a dovetail seat (431), a dovetail adjustment sheet (432) and a dovetail slider (433), the dovetail seat (431) is provided with a gear device (44), the gear device (44) comprises a gear (442), the gear (442) is arranged in a gear fixing barrel (441), the gear (442) is meshed with a rack (443), the rack (443) is arranged in the dovetail slider (433), and the dovetail slider (433) is provided with a knurled handwheel (444).

6. The lens centering structure of claim 1, wherein: aligning subassembly (50) includes base (51), install aligning stand (52) and cylinder drive arrangement (53) on base (51), install aligning fixed plate (54) on aligning stand (52), accurate two-dimensional platform (55) of the right side installation of aligning fixed plate (54), the top of accurate two-dimensional platform (55) links to each other with aligning support (56), aligning support (56) are connected with aligning adjusting plate (57) through connecting block (560), aligning adjusting plate (57) link to each other with aligning smelting tool lid (58) for the lens is relative to the concentricity of lower lens in the adjustment.

7. The lens centering structure of claim 6, wherein the cylinder driving means (53) comprises a first cylinder (531), a second cylinder (532) and a cylinder mounting plate (533), the first cylinder (531) is mounted on the base (51), an upper end of the first cylinder (531) is connected to the connecting block (560), the cylinder mounting plate (533) is mounted on a left side of the center adjusting fixing plate (54), and the second cylinder (532) is mounted on the cylinder mounting plate (533).

8. The lens centering structure of claim 6, wherein the connecting block (560) comprises a rail slider (561), the rail slider (561) is connected with the movable top block (562), a limiting block (563) is arranged on the rail slider (561), a lamp distal end fixing block (564) is arranged on the limiting block (563), the left side of the rail slider (561) is connected with a connecting plate (565), and the connecting plate (565) is connected with the centering adjusting plate (57) through a reinforcing block (566).