CN212216121U

CN212216121U - Lens blacking jig

Info

Publication number: CN212216121U
Application number: CN202020635667.XU
Authority: CN
Inventors: 李健飞; 周伟; 于青青
Original assignee: Liaoning Zhonglan Photoelectric Technology Co Ltd
Current assignee: Liaoning Zhonglan Photoelectric Technology Co Ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2020-12-25
Anticipated expiration: 2030-04-24

Abstract

The utility model relates to a lens tool of blacking, its technical essential is: including the lock-up black upper plate and the black hypoplastron of plating together, be equipped with a plurality of black operation through-holes of plating that arrange with the rectangular matrix form on the black upper plate of plating, black operation through-hole comprises last toper hole and the lower round hole that meets with last toper hole lower extreme, and the upper surface of the black hypoplastron of plating is equipped with the lens that corresponds with lower round hole and holds the recess, and the lens holds the central line that stays the recess and coincides with lower round hole central line and the diameter that the recess was held to the lens is greater than the diameter of lower round hole, goes up the downthehole overhang of toper and is equipped with circular shielding cover, and circular shielding cover's periphery wall symmetric connection has two splice bars, the splice bar other end and the interior wall connection in last toper hole, the central line of circular shielding cover and the central line coincidence in last toper hole, and the diameter of. The utility model discloses showing promotion production efficiency, low in production cost, it is high to plate black uniformity, and it is high to eliminate stray light stability, and the volume production nature is good.

Description

Lens blacking jig

Technical Field

The utility model relates to a technical field that plates black of optical lens, concretely relates to lens tool that plates black, the lens of specially adapted cell-phone camera lens technology of plates black.

Background

With the development of high-end and intelligent mobile phones in the market, consumers pay more attention to the imaging quality of the camera of the mobile phone. The stray light improving technology of the mobile phone lens has great influence on the imaging quality of the lens, and the aim of eliminating the stray light of the lens can be achieved by carrying out black plating treatment on the parts outside the edge of the aspheric effective diameter of the lens at present. The existing black plating mode mainly comprises ink coating, transfer printing and ink dispensing processes, but the problems of low production efficiency and poor mass production are generally existed.

Disclosure of Invention

The utility model aims at providing a simple structure, use reliable lens blacken tool, realize the processing of blacking of lens with the coating machine cooperation, reach and eliminate the stray light's of camera lens purpose, show and promote production efficiency, low in production cost, it is high to plate black uniformity, and it is high to eliminate stray light stability, and the volume production nature is good.

In order to realize the purpose, the utility model discloses a technical scheme is:

the utility model provides a lens tool of blacking, its technical essential is: including the lock black upper plate of plating and the hypoplastron of plating together, be equipped with a plurality of black operation through-holes of plating that arrange with the rectangular matrix form on the black upper plate of plating, black operation through-hole of plating comprises last toper hole and the lower round hole that meets with last toper hole lower extreme, the upper surface of plating the black hypoplastron is equipped with the lens that corresponds with lower round hole and holds the recess, the lens holds the central line that stays the recess and coincides with lower round hole central line and the diameter that the recess was stayed to the lens hold is greater than the diameter of round hole down, it is equipped with circular shielding cover to go up the downthehole suspension of toper, the periphery wall symmetric connection of circular shielding cover has two splice bars, the splice bar other end and the interior wall connection in last toper hole, the central line of circular shielding cover coincides with the central line in last toper hole, and the diameter of circular shielding cover is less than.

According to the lens blackening jig, the upper end edge of the lens containing groove is provided with the chamfer, and the two sides of the lens containing groove are symmetrically provided with the clamping avoiding grooves communicated with the lens containing groove, so that the lens can be conveniently placed in and clamped, and the lens is prevented from being damaged by clamping.

The lens blackening jig is communicated with the clamping avoiding grooves of the lens containing grooves in the same row or the same line, and is convenient to manufacture.

Foretell lens tool of blacking, the outer edge and the center of the upper plate of blacking are equipped with the counter sink respectively, the outer edge and the center of the hypoplastron of blacking are equipped with the screw hole that corresponds with the counter sink, and locking screw passes through behind the counter sink and is connected fixedly with the screw hole, locking screw's nut submerges in the counter sink, reaches the purpose of locking the upper plate of blacking and the hypoplastron of blacking on the one hand, and on the other hand does not interfere the operation of blacking, avoids the screw arch to cause to plate blackly and shelters from badly.

Foretell lens tool of blacking, the outer edge of the upper plate of blacking and the outer edge of the hypoplastron of blacking correspond and are equipped with the locating pin hole to conveniently utilize the accurate location of locating pin, convenient equipment.

According to the lens blackening jig, the outer edge of the blackening lower plate faces the blackening upper plate side, and a plurality of open grooves are uniformly formed in addition, so that the blackening upper plate and the blackening lower plate can be conveniently separated.

According to the lens blackening jig, the gap between the maximum diameter of the inner wall of the circular shielding cover and the edge of the aspheric effective diameter of the lens to be blackened is 0.005mm-0.02mm, so that the lens is prevented from being blackened by being plated to the aspheric position, and the lens is prevented from being crushed by the circular shielding cover.

In the lens blackening jig, the opening angle of the upper tapered hole of the blackening operation through hole is 100 degrees.

According to the lens blackening jig, the width of the connecting rib is 0.2mm, and the tolerance is controlled within +/-0.01 mm.

According to the lens blackening jig, the diameter of the lens containing groove and the unilateral clearance of the outer diameter of the lens to be blackened are 0.05mm, and the depth of the lens containing groove is equal to the thickness of the vertical edge of the lens group to be blackened.

The utility model has the advantages that:

the utility model discloses when cooperation coating machine carries out the blacking to lens assigned position and handles, utilize circular blocking cover and the lower round hole of blacking the operation through-hole to realize the restriction to the range of blacking, reach the camera lens and eliminate stray light's purpose. Specifically, the diameter of the lower circular hole of the blackening operation through hole is determined according to the maximum diameter of the range of the lens to be blackened, and the diameter of the circular shielding cover and the height of the circular shielding cover relative to the upper surface of the blackening lower plate are determined according to the minimum diameter of the range of the lens to be blackened. The utility model discloses it can obviously improve the effect to improve to the miscellaneous light of cell-phone camera lens fog very much, have low in production cost, production efficiency height, lens blacken the uniformity high, eliminate stray light stability height, advantage that the volume production nature is good.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a cross-sectional view of the blackened operative via and the lens receiving recess of the present invention;

FIG. 3 is a schematic structural view of the through hole for blackening operation of the present invention;

fig. 4 is an exploded view of the present invention.

Detailed Description

As shown in fig. 1-4, the lens blackening jig comprises a blackening upper plate 1 and a blackening lower plate 8 which are buckled together.

The upper black plating plate 1 is provided with a plurality of black plating operation through holes arranged in a rectangular matrix shape, and each black plating operation through hole is composed of an upper conical hole 3 and a lower round hole 11 connected with the lower end of the upper conical hole 3. The upper surface of the black-plated lower plate 8 is provided with a lens containing groove 13 corresponding to the lower round hole 11, the central line of the lens containing groove 13 is superposed with the central line of the lower round hole 11, and the diameter of the lens containing groove 13 is larger than that of the lower round hole 11. Go up the interior circular screen cover 4 that hangs of toper hole 3, the periphery wall symmetric connection of circular screen cover 4 has two splice bars 10, the splice bar 10 other end and the interior wall connection of last toper hole 3. The central line of the circular shielding cover 4 is superposed with the central line of the upper conical hole 3, and the diameter of the circular shielding cover 4 is smaller than that of the lower round hole 11.

In this embodiment, the upper edge of the lens holding groove 13 is provided with a chamfer 12, and the two sides of the lens holding groove 13 are symmetrically provided with a clamping avoiding groove 14 communicated with the lens holding groove to facilitate placing and clamping the lens, so as to prevent the lens from being damaged by clamping. The clamping avoiding grooves 14 of the lens holding grooves 13 in the same row or the same column are communicated, so that the manufacturing is convenient. The appearance of the upper plate 1 that blackens and the lower plate 8 that blackens is decided according to the size of the coating umbrella stand, in this embodiment, the upper plate 1 that blackens and the lower plate 8 that blackens are square respectively, and the four sides of the upper plate 1 that blackens are equipped with counter sink 5 respectively along middle part and upper plate center outward, the four sides of the lower plate 8 that blackens are equipped with screw hole 15 corresponding with counter sink 5 along middle part and center outward, and locking screw 6 is connected fixedly with screw hole 15 after passing through counter sink 5, the nut of locking screw 6 sinks in the counter sink, reaches the purpose that the upper plate that blackens and the lower plate that blackens of locking on the one hand, and on the other hand does not interfere the blackout operation, avoids the screw arch to cause the blackout to shelter from badly. The outer edge four corners position of plating black upper plate 1 and plating black hypoplastron 8 corresponds and is equipped with registration pin hole 2 to utilize locating pin 7 accurate location, convenient equipment. The outer edges of the four sides of the lower black plating plate 8 face the upper black plating plate 1 side, and a plurality of open grooves 9 are further uniformly formed in the outer edges, so that the upper black plating plate and the lower black plating plate can be conveniently separated. The open slot 9 is located outside the screw hole 15.

In this example, the thickness of each of the upper black plated plate 1 and the lower black plated plate 8 was 2.55 mm. In order to meet the requirement of a blackening range (the blackening range is from the aspheric effective diameter edge of the lens to the lens bearing position, namely the R angle and the inclined plane connected to the lens bearing position are required to be blackened, and the R angle is a fillet connecting the inclined plane and the aspheric effective diameter edge of the lens), the gap between the maximum diameter of the inner wall of the circular shielding cover 4 and the aspheric effective diameter edge of the lens to be blackened is 0.005mm-0.02mm, so that the lens is prevented from being plated to the aspheric position during blackening, and the lens is prevented from being crushed by the circular shielding cover 4. The diameter of the lower circular hole 11 of the blackening operation through hole is determined according to the maximum diameter of the range of the lens to be blackened, and the diameter of the circular shielding cover 4 and the height of the circular shielding cover 4 relative to the upper surface of the blackening lower plate 8 are determined according to the minimum diameter of the range of the lens to be blackened. The opening angle of the upper tapered hole 3 of the blacking operation through hole is 100 degrees. The width of the connecting rib 10 is 0.2mm, and the tolerance is controlled within +/-0.01 mm. The diameter of the lens holding groove 13 and the outer diameter unilateral clearance of the lens to be black-plated are 0.05mm, and the depth of the lens holding groove 13 is equal to the thickness of the vertical side of the lens group to be black-plated. The hole pitch tolerance of the black plating operation through hole is controlled within +/-0.01 mm, and the groove pitch tolerance of the lens accommodating groove 13 is controlled within +/-0.01 mm.

The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.

Claims

1. The utility model provides a lens tool of blacking which characterized in that: including the lock black upper plate of plating and the hypoplastron of plating together, be equipped with a plurality of black operation through-holes of plating that arrange with the rectangular matrix form on the black upper plate of plating, black operation through-hole of plating comprises last toper hole and the lower round hole that meets with last toper hole lower extreme, the upper surface of plating the black hypoplastron is equipped with the lens that corresponds with lower round hole and holds the recess, the lens holds the central line that stays the recess and coincides with lower round hole central line and the diameter that the recess was stayed to the lens hold is greater than the diameter of round hole down, it is equipped with circular shielding cover to go up the downthehole suspension of toper, the periphery wall symmetric connection of circular shielding cover has two splice bars, the splice bar other end and the interior wall connection in last toper hole, the central line of circular shielding cover coincides with the central line in last toper hole, and the diameter of circular shielding cover is less than.

2. The lens blackening tool of claim 1, wherein: the upper end edge of the lens holding groove is provided with a chamfer, and the two sides of the lens holding groove are symmetrically provided with clamping avoiding grooves communicated with the lens holding groove.

3. The lens blackening tool of claim 2, wherein: the clamping avoiding grooves of the lens containing grooves in the same row or the same column are communicated.

4. The lens blackening tool of claim 1, wherein: the outer edge and the center of the upper plate that plates black are equipped with the counter sink respectively, the outer edge and the center of the lower plate that plates black are equipped with the screw hole that corresponds with the counter sink, and locking screw passes through behind the counter sink to be connected fixedly with the screw hole, locking screw's nut submerges in the counter sink.

5. The lens blackening tool of claim 1, wherein: and the outer edge of the upper black plating plate and the outer edge of the lower black plating plate are correspondingly provided with positioning pin holes.

6. The lens blackening tool of claim 1, wherein: the outer edge of the black plating lower plate faces the black plating upper plate side, and a plurality of open grooves are uniformly formed in addition.

7. The lens blackening tool of claim 1, wherein: the clearance between the maximum diameter of the inner wall of the circular shielding cover and the edge of the aspheric effective diameter of the to-be-plated black lens is 0.005mm-0.02 mm.

8. The lens blackening tool of claim 1, wherein: the opening angle of the upper conical hole of the black plating operation through hole is 100 degrees.

9. The lens blackening tool of claim 1, wherein: the width of the connecting rib is 0.2mm, and the tolerance is controlled within +/-0.01 mm.

10. The lens blackening tool of claim 1, wherein: the diameter of the lens holding groove and the outer diameter unilateral clearance of the lens to be black-plated are 0.05mm, and the depth of the lens holding groove is equal to the thickness of the vertical side of the lens group to be black-plated.