CN220056637U - Auxiliary centering jig for aspherical lens - Google Patents
Auxiliary centering jig for aspherical lens Download PDFInfo
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- CN220056637U CN220056637U CN202321008501.5U CN202321008501U CN220056637U CN 220056637 U CN220056637 U CN 220056637U CN 202321008501 U CN202321008501 U CN 202321008501U CN 220056637 U CN220056637 U CN 220056637U
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- 235000013372 meat Nutrition 0.000 claims abstract description 19
- 239000000919 ceramic Substances 0.000 claims abstract description 13
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 12
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 12
- 241001330002 Bambuseae Species 0.000 claims description 12
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 12
- 239000011425 bamboo Substances 0.000 claims description 12
- 230000002146 bilateral effect Effects 0.000 claims description 9
- 238000000465 moulding Methods 0.000 abstract description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000003287 optical effect Effects 0.000 abstract description 2
- 235000019994 cava Nutrition 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Abstract
The utility model relates to the technical field of optical lens preform molding and discloses an aspherical lens auxiliary centering jig which comprises a double-cavity middle meat cylinder, wherein the bottom wall of the inner part of the double-cavity middle meat cylinder is provided with a bilaterally symmetrical gasket, the top walls of the bilaterally symmetrical gaskets are respectively provided with a lower die core, the top walls of the lower die cores are respectively fixedly connected with a circular ring with a limited outer diameter, and the inner wall of the double-cavity middle meat cylinder is fixedly connected with a bilaterally symmetrical ceramic sleeve. According to the utility model, the auxiliary core fixing die is used, the preformed body can be fully aligned before molding, manual adjustment is not needed in the process, and the auxiliary core fixing die can be automatically aligned by being directly placed in the ceramic sleeve, so that uneven stress caused by deflection of the preformed body is avoided, molding precision is improved, the problems of eccentric lens and oversized lens specification can be well solved, the yield of the lens is improved, the rejection of the lens is effectively reduced, production cost is reduced, and the core fixing die is convenient to use.
Description
Technical Field
The utility model relates to the technical field of optical lens preform molding, in particular to an auxiliary centering jig for an aspherical lens.
Background
The aspherical glass molding is a technology of heating and softening glass material to a certain extent, and then applying a certain pressure to a forming mold with high precision on the surface to deform into an aspherical shape, the existing molding lens mold consists of an upper mold core, a lower mold core and a machine body, in the molding process, a preformed body is directly arranged on the mold core surface of the lower mold core, the lens preformed body is softened at a high temperature and is pressurized to deform into the mold core shape, so that the required molding lens is formed, the preformed body has various shapes, generally has two types of spherical shape and cake shape, the spherical preformed body has a completely symmetrical geometric shape, and can be automatically centered under the action of gravity when the spherical preformed body is directly arranged on the lower mold core, if the problem of molding difficulty is large when the two sides are flat or the two sides are concave, the problem of the spherical raw material is not correct, the spherical raw material is replaced into the cake-shaped preformed body, the cake-shaped preformed body is only symmetrical relative to a specific axis, and is easily inclined when the cake-shaped preformed body is directly arranged on the surface of the lower mold core, so that the spherical preformed body is not uniformly pressed when the molding lens is molded, the spherical preformed is poor or even when the molding precision is bad, and the product is scrapped is caused.
The auxiliary core fixing mold for the traditional aspherical lens can be used for processing a cake-shaped preformed lens, and the preformed lens is easy to incline on a mold core, so that poor molding or poor molding precision is caused by uneven compression in molding, the lens is eccentric and oversized, even products are scrapped in severe cases, and part of equipment is troublesome in taking and placing.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides an auxiliary centering jig for an aspherical lens.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an auxiliary centering tool of aspheric lens, includes meat section of thick bamboo in the two holes, meat section of thick bamboo inside diapire is provided with bilateral symmetry's gasket in the two holes, bilateral symmetry the gasket roof all is provided with the lower mould benevolence, the equal fixedly connected with finite external diameter ring of lower mould benevolence roof, meat section of thick bamboo inner wall fixedly connected with bilateral symmetry's ceramic sleeve in the two holes, meat section of thick bamboo inside all is provided with centering mould in the two holes.
As a further description of the above technical solution:
the lower die core is internally provided with a plurality of fixing columns, and one end of each fixing column is fixedly connected with a spring.
As a further description of the above technical solution:
the other end of the spring is fixedly connected with a connecting block, and the top wall of the connecting block is fixedly connected with a placing plate.
As a further description of the above technical solution:
the top wall of the placing plate is provided with a preformed lens.
As a further description of the above technical solution:
the core fixing dies are all in sliding connection in the ceramic sleeve.
The utility model has the following beneficial effects:
1. according to the utility model, the auxiliary core fixing die is used firstly, the preformed body can be fully aligned before molding, manual adjustment is not needed in the process, and the auxiliary core fixing die can be automatically aligned by being directly placed in the ceramic sleeve, so that uneven stress caused by deflection of the preformed body is avoided, molding precision is improved, the problems of eccentric lens and overlarge eccentric meat specification can be well solved, the yield of the lens is improved, the rejection of the lens is effectively reduced, the production cost is reduced, and the core fixing die is convenient to use.
2. According to the utility model, the effect of convenient taking and placing is achieved through the cooperation among the springs, the connecting blocks, the placing plates and the fixing columns, the problem that part of equipment is inconvenient to take and place is solved, and the working efficiency in use is improved.
Drawings
Fig. 1 is a schematic perspective view of an auxiliary centering fixture for aspherical lenses according to the present utility model;
FIG. 2 is a schematic cross-sectional view of an auxiliary centering fixture for aspherical lenses according to the present utility model;
fig. 3 is an enlarged schematic view of fig. 2 at a.
Legend description:
1. meat tube in double holes; 2. a gasket; 3. a ceramic sleeve; 4. a lower die core; 5. a spring; 6. a connecting block; 7. placing a plate; 8. a preform lens; 9. core fixing mould; 10. an outer diameter limiting ring; 11. and fixing the column.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, one embodiment provided by the present utility model is: the utility model provides an auxiliary core tool that decides of aspherical lens, meat section of thick bamboo 1 in two caves, meat section of thick bamboo 1 inside diapire is provided with bilateral symmetry's gasket 2 in the two caves, bilateral symmetry's gasket 2 roof all is provided with lower mould benevolence 4, the equal fixedly connected with finite external diameter ring 10 of lower mould benevolence 4 roof has played spacing effect, meat section of thick bamboo 1 inner wall fixedly connected with bilateral symmetry's ceramic sleeve 3 in the two caves, meat section of thick bamboo 1 inside all is provided with core mould 9 in the two caves, core mould 9 adopts POM material, avoid putting into the inside pore wall of ceramic sleeve 3 scratch sleeve.
The inside a plurality of fixed columns 11 that all are provided with of lower mould benevolence 4, the inside one end of the equal fixedly connected with spring 5 of every fixed column 11, the equal fixedly connected with connecting block 6 of the other end of spring 5, connecting block 6 roof fixedly connected with places board 7, when spring 5 atress compression back resets, it upwards moves to drive place board 7, the effect of conveniently taking has been reached, place board 7 roof all is provided with preforming lens 8, the equal sliding connection of centering mould 9 is in ceramic sleeve 3, when the landing of centering mould 9 down, the cavity of bottom can be direct with preforming lens 8 in the middle, the pressurized is more even when making preforming lens 8 shaping, the lens eccentric core, the off-the-shelf meat specification can obtain better control.
Working principle: when the device is used for working, firstly, the preformed lens 8 is placed on the placement plate 7, then the core fixing mold 9 slides downwards from the ceramic sleeve 3, the preformed lens 8 can be fully aligned before forming, and the process does not need manual adjustment, and the auxiliary core fixing mold 9 can be automatically aligned by being directly placed in the ceramic sleeve 3, so that the problems of uneven stress caused by deflection of the preformed lens are avoided, the forming precision is improved, the problems of eccentric lens and overlarge eccentric meat specification can be well solved, the lens yield is improved, the rejection of lenses is effectively reduced, the production cost is reduced, the core fixing mold 9 is taken out after the production is finished, and then the spring 5 can reset to drive the placement plate 7 to move upwards, so that the effect of convenient taking is achieved.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (5)
1. The utility model provides an supplementary core tool that decides of aspheric lens, includes two cave meat section of thick bamboo (1), its characterized in that: the utility model discloses a meat section of thick bamboo (1) is provided with bilateral symmetry's gasket (2) in two cave, bilateral symmetry gasket (2) roof all is provided with lower mould benevolence (4), lower mould benevolence (4) roof all fixedly connected with finite external diameter ring (10), meat section of thick bamboo (1) inner wall fixedly connected with bilateral symmetry's ceramic sleeve (3) in two cave, meat section of thick bamboo (1) is inside all to be provided with core mould (9) in two cave.
2. The auxiliary centering fixture for an aspherical lens according to claim 1, wherein: the lower die core (4) is internally provided with a plurality of fixing columns (11), and one end of a spring (5) is fixedly connected inside each fixing column (11).
3. The auxiliary centering fixture for an aspherical lens according to claim 2, wherein: the other ends of the springs (5) are fixedly connected with connecting blocks (6), and the top wall of each connecting block (6) is fixedly connected with a placing plate (7).
4. The auxiliary centering fixture for an aspherical lens according to claim 3, wherein: the top wall of the placing plate (7) is provided with a preformed lens (8).
5. The auxiliary centering fixture for an aspherical lens according to claim 1, wherein: the core fixing modules (9) are all connected in the ceramic sleeve (3) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321008501.5U CN220056637U (en) | 2023-04-28 | 2023-04-28 | Auxiliary centering jig for aspherical lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321008501.5U CN220056637U (en) | 2023-04-28 | 2023-04-28 | Auxiliary centering jig for aspherical lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220056637U true CN220056637U (en) | 2023-11-21 |
Family
ID=88755663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321008501.5U Active CN220056637U (en) | 2023-04-28 | 2023-04-28 | Auxiliary centering jig for aspherical lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220056637U (en) |
-
2023
- 2023-04-28 CN CN202321008501.5U patent/CN220056637U/en active Active
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