CN117400459A - Lens mould capable of being eccentrically adjusted - Google Patents
Lens mould capable of being eccentrically adjusted Download PDFInfo
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- CN117400459A CN117400459A CN202311704021.7A CN202311704021A CN117400459A CN 117400459 A CN117400459 A CN 117400459A CN 202311704021 A CN202311704021 A CN 202311704021A CN 117400459 A CN117400459 A CN 117400459A
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- 238000001125 extrusion Methods 0.000 claims abstract description 103
- 238000003825 pressing Methods 0.000 claims description 23
- 230000007246 mechanism Effects 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000009471 action Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000000306 component Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/30—Mounting, exchanging or centering
- B29C33/308—Adjustable moulds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2011/00—Optical elements, e.g. lenses, prisms
- B29L2011/0016—Lenses
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of lenses, in particular to a lens mold capable of being eccentrically adjusted, which comprises a mold main body, a first adjusting device and a second adjusting device; the die main body comprises a female die plate, a male die plate, a female die core, a male inner die core and a male outer die core, the first adjusting device comprises a first insert and two first extrusion pieces, and the first insert is sleeved on the female die core; the second adjusting device comprises a second insert and two second extrusion pieces, and the second insert is sleeved on the male outer die core. According to the lens mold provided by the invention, the relative position of the first insert is changed to perform submicron fine adjustment on the inter-surface eccentric accuracy of the lens, and the relative position of the second insert is changed to perform submicron fine adjustment on the single-surface eccentric accuracy of the lens, so that the optical quality and the production yield of the lens are improved.
Description
Technical Field
The invention relates to the technical field of lenses, in particular to a lens mold capable of being eccentrically adjusted.
Background
From the aspects of product type and technology, each type of lens has different lens numbers, in general, the more the lens numbers are, the higher the pixels are, the better the photographing effect is, and more manufacturers nowadays start to supply multiple lens lenses to meet the demands of consumers, wherein the lenses are used as core components of the optical lenses, and the precision of the lenses plays a vital role on the imaging quality of the optical lenses. Nowadays, the decentration requirement of optical lenses is also gradually increased to about 1 μm.
At present, the eccentric of the lens produced by the traditional optical die can only be adjusted by higher-precision die machining and rotating the angle of the die core. The mode needs to be realized by processing a higher-precision machine and a large amount of rotation coordination, and the rotary die core needs to be repeatedly disassembled and assembled, so that a large amount of manpower and material resources are consumed, and the die core is easy to damage in the disassembling and assembling process. Therefore, in order to meet the requirements of eccentricity and reduce the number of mold removal, it is necessary to provide a mold that can be eccentrically adjusted.
Disclosure of Invention
The invention aims to at least solve one of the technical problems in the prior art and provide a lens mold capable of being eccentrically adjusted.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: an eccentrically adjustable lens mould comprises a mould main body, a first adjusting device and a second adjusting device;
the mold main body comprises a female mold plate, a male mold plate, a female mold core, a male inner mold core and a male outer mold core, wherein the female mold core is arranged on the female mold plate, the male inner mold core and the male outer mold core are arranged on the male mold plate, and the female mold core, the male inner mold core and the male outer mold core respectively form the upper surface, the lower surface and the side surface of the lens;
the first adjusting device comprises a first insert and two first extrusion pieces, the first insert is sleeved on the female die core, and the two first extrusion pieces can respectively extrude the first insert to move in two eccentric directions so as to adjust the eccentricity of the female die core; the inner side of the first insert is provided with a first deformation part, the outer side of the first insert is provided with a first extrusion part, two first extrusion parts are arranged on the outer side of the first extrusion part, and the first deformation part is provided with a plurality of first small round holes for improving deformation;
the second adjusting device comprises a second insert and two second extrusion pieces, the second insert is sleeved on the male outer die core, and the two second extrusion pieces can respectively extrude the second insert to move in two eccentric directions so as to adjust the eccentricity of the male outer die core.
Further, the first extrusion piece comprises a first extrusion block and a first extrusion bolt, the first extrusion block is contacted with the first insert, the first extrusion contact surface is an inclined surface, the first extrusion bolt penetrates through the first extrusion block from top to bottom and is in threaded connection with the female die plate, and the first extrusion bolt can be screwed to drive the first extrusion block to move along the vertical direction and extrude the first insert.
Further, the included angle between the first squeezing contact surface and the vertical direction is 5 degrees.
Further, the second extrusion piece comprises a second extrusion block and a second extrusion bolt, the second extrusion block is in contact with the second insert, the second extrusion contact surface is an inclined surface, the second extrusion bolt penetrates through the second extrusion block from top to bottom and is in threaded connection with the male template, and the second extrusion bolt can be screwed to drive the second extrusion block to move along the vertical direction and extrude the second insert.
Further, the included angle between the second squeezing contact surface and the vertical direction is 5 degrees.
Further, one side of the second insert, which is close to the inner side, is a second deformation part, one side of the second insert, which is close to the outer side, is a second extrusion part, the two second extrusion parts are arranged on the outer side of the second extrusion part, a plurality of second small round holes for improving deformation are formed in the second deformation part, and the second insert and the first insert are identical in structure.
Furthermore, the first adjusting device, the second adjusting device, the female die core, the male inner die core and the male outer die core are all provided with a plurality of and distributed on the die main body in a surrounding manner.
Further, the die main body further comprises an ejection mechanism, and the ejection mechanism is used for demolding the male inner die core and the male outer die core.
Further, the die main body further comprises a female die fixing plate, a male die fixing plate and a male die base plate, wherein the female die plate is arranged on the female die fixing plate, the male die plate is arranged on the male die fixing plate, and the male die fixing plate is arranged on the male die base plate.
Further, the mold further comprises a male mold runner pressing plate and a female mold runner pressing plate, wherein the male mold runner pressing plate is arranged on the male mold plate, and the female mold runner pressing plate is arranged on the female mold plate.
As can be seen from the above description of the present invention, compared with the prior art, the eccentric adjustable lens mold of the present invention comprises at least one of the following advantages:
1. according to the lens mold provided by the invention, the relative position of the first insert is changed to perform submicron fine adjustment on the inter-surface eccentric accuracy of the lens, and the relative position of the second insert is changed to perform submicron fine adjustment on the single-surface eccentric accuracy of the lens, so that the optical quality and the production yield of the lens are improved.
2. The lens mold provided by the invention is provided with the first insert and the second insert, and the inserts are standard parts which can be produced in batch, so that the mold can be damaged and replaced in time in the forming process due to actuation or torque adjustment, and the use efficiency of the mold is ensured.
3. The lens mold provided by the invention not only can change the eccentric size by directly adjusting the first extrusion piece or the second extrusion piece on the injection molding machine through rotating the mold core, but also reduces the times of disassembling the mold when the mold is disassembled, thus saving the labor cost and the production cost to the greatest extent, and avoiding the damage of the mold core in the disassembling and assembling process.
4. According to the invention, the first insert is provided with the first deformation part and the first extrusion part at the inner side and the outer side, the first extrusion part is arranged at the outer side so as to conveniently adjust the first extrusion bolt, the eccentric adjustment is convenient, the first deformation part is provided with the first small round holes, the rigidity of the first deformation part is weakened through the uniformly distributed first small round holes, so that the deformation quantity is improved, the eccentric adjustment range is improved, the rigidity can be weakened more uniformly through the round holes, and the first deformation part can recover the original shape in time when no stress is applied.
Drawings
FIG. 1 is a schematic cross-sectional view of an decentered adjustable lens mold according to a preferred embodiment of the invention;
FIG. 2 is a schematic cross-sectional view of a first adjustment device according to a preferred embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a second adjustment device according to a preferred embodiment of the present invention;
FIG. 4 is a schematic bottom plan view of a master template in accordance with a preferred embodiment of the present invention;
FIG. 5 is a schematic bottom plan view of a master template and a master runner platen in accordance with a preferred embodiment of the present invention;
FIG. 6 is a schematic bottom plan view of a male template in accordance with a preferred embodiment of the present invention;
FIG. 7 is a schematic bottom plan view of a male mold plate and a male mold runner platen in accordance with a preferred embodiment of the present invention;
FIG. 8 is a schematic cross-sectional view of a lens in accordance with a preferred embodiment of the present invention;
the reference numerals in the figures illustrate: 1. a mold body; 2. a first adjustment device; 3. a second adjusting device; 4. a lens; 5. a male mold runner pressing plate; 6. a female mold runner pressing plate; 11. a master template; 12. a male template; 13. a female mold core; 14. a male inner mold core; 15. a male outer mold core; 16. an ejection mechanism; 17. a female die fixing plate; 18. a male die fixing plate; 19. a male die base plate; 21. a first insert; 22. a first extrusion; 31. a second insert; 32. a second extrusion; 211. a first deformation section; 212. a first pressing part; 213. a first small round hole; 221. a first pinch block; 222. a first tightening bolt; 223. a first pinching contact surface; 311. a second deformation section; 312. a second pressing part; 313. a second small round hole; 321. a second pinch block; 322. a second tightening bolt; 323. and the contact surface is pressed tightly.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 8, a lens mold capable of being eccentrically adjusted according to a preferred embodiment of the present invention includes a mold body 1, a first adjusting device 2, and a second adjusting device 3;
the mold main body 1 comprises a female mold plate 11, a male mold plate 12, a female mold core 13, a male inner mold core 14 and a male outer mold core 15, wherein the female mold core 13 is arranged on the female mold plate 11, the male inner mold core 14 and the male outer mold core 15 are arranged on the male mold plate 12, and the female mold core 13, the male inner mold core 14 and the male outer mold core 15 respectively form the upper surface, the lower surface and the side surface of the lens 4;
the first adjusting device 2 comprises a first insert 21 and two first extrusion pieces 22, the first insert 21 is sleeved on the female die core 13, and the two first extrusion pieces 22 can respectively extrude the first insert 21 in two eccentric directions to move so as to adjust the eccentricity of the female die core 13; the inner side of the first insert 21 is a first deformation portion 211, the outer side of the first insert is a first extrusion portion 212, the two first extrusion members 22 are disposed on the outer side of the first extrusion portion 212, and a plurality of first small round holes 213 for improving deformation are formed in the first deformation portion 211;
the second adjusting device 3 comprises a second insert 31 and two second extrusion pieces 32, the second insert 31 is sleeved on the male outer die core 15, and the two second extrusion pieces 32 can respectively extrude the second insert 31 in two eccentric directions to move so as to adjust the eccentricity of the male outer die core 15.
According to the lens mold provided by the invention, the relative position of the first insert 21 is changed to perform submicron fine adjustment on the inter-surface decentering precision of the lens 4, and the relative position of the second insert 31 is changed to perform submicron fine adjustment on the single-surface decentering precision of the lens 4, so that the optical quality and the production yield of the lens 4 are improved. The lens mold provided by the invention is provided with the first insert 21 and the second insert 31, and the inserts are standard components which can be produced in batch, so that the mold can be damaged and replaced in time in the forming process due to actuation or torque adjustment, and the use efficiency of the mold is ensured. The lens mold provided by the invention not only can change the eccentric size by directly adjusting the first extrusion 22 or the second extrusion 32 on the injection molding machine through rotating the mold core, and reduces the times of disassembling the mold when the mold is disassembled, thereby saving the labor cost and the production cost to the greatest extent, and avoiding the damage of the mold core in the disassembling and assembling process. In the invention, the first insert 21 separates the first deformation part 211 and the first extrusion part 212 on the inner side and the outer side, the first extrusion part 212 is arranged on the outer side to facilitate the adjustment of the first extrusion bolt 222, the eccentric adjustment is facilitated, the first deformation part 211 is provided with the first small round holes 213, the rigidity of the first deformation part 211 is weakened through the uniformly distributed first small round holes 213, so that the deformation quantity is improved, the eccentric adjustment range is improved, the rigidity can be weakened more uniformly through the round holes, and the first deformation part 211 can be restored to the original shape in time when no stress is applied.
As a preferred embodiment of the invention, it may also have the following additional technical features:
in this embodiment, the first extrusion 22 includes a first extrusion block 221 and a first extrusion bolt 222, where the first extrusion block 221 contacts with the first insert 21 and the first extrusion contact surface 223 is an inclined surface, and the first extrusion bolt 222 penetrates through the first extrusion block 221 from top to bottom and is in threaded connection with the master template 11, and screwing the first extrusion bolt 222 can drive the first extrusion block 221 to move along the vertical direction and extrude the first insert 21. The first extrusion piece 22 drives the first extrusion block 221 to move along the vertical direction through the first extrusion bolt 222, the vertical movement of the first extrusion block 221 is converted into extrusion force in the horizontal eccentric direction under the action of the inclined plane of the first extrusion contact surface 223, so as to extrude the first insert 21 to adjust the eccentricity, and the two first extrusion pieces 22 are matched to act on the first insert 21 in the two eccentric directions so as to adjust the eccentricity of the female die core 13, so that the submicron-level fine adjustment of the inter-surface eccentric precision of the lens 4 is realized.
In this embodiment, the angle between the first pinching contact surface 223 and the vertical direction is 5 °. Under the contact action of the first squeezing contact surface 223, the first squeezing block 221 moves in the vertical direction to drive the first insert 21 to move in the horizontal direction, because the eccentric adjustment precision of the die core needs to reach the micron level, the stroke of the die core is very small, and the position of the die core is difficult to directly adjust, the position of the die core is indirectly adjusted through the inclined surface action, the included angle between the first squeezing contact surface 223 and the vertical direction is 5 degrees, the angle can ensure that the stroke of the first squeezing block 221 is far larger than the stroke of the first insert 21, the effect of stroke reduction is achieved, and the submicron fine adjustment of the eccentric precision is realized.
In this embodiment, the second extrusion member 32 includes a second extrusion block 321 and a second extrusion bolt 322, where the second extrusion block 321 contacts with the second insert 31 and the second extrusion contact surface 323 is an inclined surface, and the second extrusion bolt 322 penetrates through the second extrusion block 321 from top to bottom and is in threaded connection with the male die plate 12, and screwing the second extrusion bolt 322 can drive the second extrusion block 321 to move along the vertical direction and extrude the second insert 31. The second extrusion piece 32 drives the second extrusion block 321 to move along the vertical direction through the second extrusion bolt 322, and the vertical movement of the second extrusion block 321 is converted into extrusion force in the horizontal eccentric direction under the action of the inclined plane of the second extrusion contact surface 323 so as to extrude the second insert 31 to adjust the eccentricity, and the two second extrusion pieces 32 are matched to act on the second insert 31 in the two eccentric directions so as to adjust the eccentricity of the male outer die core 15, so that the single-sided eccentric precision of the lens 4 is subjected to submicron-level fine adjustment.
In this embodiment, the angle between the second pinching contact surface 323 and the vertical direction is 5 °. Under the contact action of the second squeezing contact surface 323, the second squeezing block 321 moves in the vertical direction to drive the second insert 31 to move in the horizontal direction, because the eccentric adjustment precision of the die core needs to reach the micron level, the stroke of the die core is very small, and the position of the die core is difficult to directly adjust, the position of the die core is indirectly adjusted through the action of an inclined plane, the included angle between the second squeezing contact surface 323 and the vertical direction is 5 degrees, the angle can ensure that the stroke of the second squeezing block 321 is far larger than the stroke of the second insert 31, the effect of stroke reduction is achieved, and submicron fine adjustment of the eccentric precision is realized.
In this embodiment, the second deformation portion 311 is located on the inner side of the second insert 31, the second pressing portion 312 is located on the outer side of the second insert 31, two second pressing members 32 are disposed on the outer side of the second pressing portion 312, a plurality of second small round holes 313 for increasing deformation are formed in the second deformation portion 311, and the second insert 31 has the same structure as the first insert 21. The second insert 31 separates the second deformation portion 311 from the second extrusion portion 312, the second extrusion portion 312 is disposed on the outer side to facilitate adjusting the second extrusion bolt 322, so as to facilitate eccentric adjustment, the second deformation portion 311 is provided with a second small circular hole 313, rigidity of the second deformation portion 311 is weakened through the uniformly distributed second small circular holes 313, so that deformation amount is improved, eccentric adjustment range is improved, rigidity can be weakened more uniformly through the uniformly distributed second small circular holes 313, and the second deformation portion 311 can be restored to original shape in time when no stress is applied. The second insert 31 has the same structure as the first insert 21, so that generalization is realized, and both inserts are standard components and can be produced in batch.
In this embodiment, the first adjusting device 2, the second adjusting device 3, the female mold core 13, the male mold core 14, and the male mold core 15 are all provided with a plurality of holes and are circumferentially distributed on the mold main body 1. The mold body 1 is provided with a plurality of first adjusting devices 2, second adjusting devices 3, a female mold core 13, a male inner mold core 14 and a male outer mold core 15, so that the manufacture of a plurality of lenses 4 is completed at one time.
In this embodiment, the mold main body 1 further includes an ejection mechanism 16, and the ejection mechanism 16 is used for demolding the male inner mold core 14 and the male outer mold core 15. After the molding of the lens 4 is completed, the male mold plate 12 and the female mold plate 11 are opened to complete demolding of the female mold core 13, and demolding of the male inner mold core 14 and the male outer mold core 15 is completed through the ejection mechanism 16.
In this embodiment, the mold main body 1 further includes a female mold fixing plate 17, a male mold fixing plate 18, and a male mold base plate 19, the female mold plate 11 is disposed on the female mold fixing plate 17, the male mold plate 12 is disposed on the male mold fixing plate 18, and the male mold fixing plate 18 is disposed on the male mold base plate 19. The female die plate 11 is fixed by the female die fixing plate 17, the male die fixing plate 18 is fixed by the male die base plate 19, and the male die plate 12 is fixed by the male die fixing plate 18, so that the male die base plate 19 is matched with the demolding due to the fact that the demolding of the male die is more complex.
In this embodiment, the mold further includes a male mold runner platen 5 and a female mold runner platen 6, the male mold runner platen 5 is disposed on the male mold plate 12, and the female mold runner platen 6 is disposed on the female mold plate 11. The male mold runner pressing plate 5 and the female mold runner pressing plate 6 are provided with runners required during molding, the male mold plate 12 and the female mold plate 11 are separated from the runners, and the runner pressing plates with different runner sizes can be selected to be matched with the mold frame for different optical lens 4 structures, so that the existing resources are saved more effectively, and the purpose of controlling the cost by multi-machine production is achieved.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution and the modified concept thereof, within the scope of the present invention.
Claims (10)
1. An eccentrically adjustable lens mould is characterized by comprising a mould main body (1), a first adjusting device (2) and a second adjusting device (3);
the mold main body (1) comprises a female mold plate (11), a male mold plate (12), a female mold core (13), a male inner mold core (14) and a male outer mold core (15), wherein the female mold core (13) is arranged on the female mold plate (11), the male inner mold core (14) and the male outer mold core (15) are arranged on the male mold plate (12), and the female mold core (13), the male inner mold core (14) and the male outer mold core (15) respectively mold the upper surface, the lower surface and the side surface of the lens (4);
the first adjusting device (2) comprises a first insert (21) and two first extrusion pieces (22), wherein the first insert (21) is sleeved on the female die core (13), and the two first extrusion pieces (22) can respectively extrude the first insert (21) in two eccentric directions to move so as to adjust the eccentricity of the female die core (13); the inner side of the first insert (21) is provided with a first deformation part (211), the outer side of the first insert is provided with a first extrusion part (212), two first extrusion parts (22) are arranged on the outer side of the first extrusion part (212), and the first deformation part (211) is provided with a plurality of first small round holes (213) for improving deformation quantity;
the second adjusting device (3) comprises a second insert (31) and two second extrusion pieces (32), the second insert (31) is sleeved on the male outer die core (15), and the two second extrusion pieces (32) can respectively extrude the second insert (31) in two eccentric directions to move so as to adjust the eccentricity of the male outer die core (15).
2. The eccentrically adjustable lens mold according to claim 1, wherein the first pressing member (22) comprises a first pressing block (221) and a first pressing bolt (222), the first pressing block (221) is in contact with the first insert (21) and the first pressing contact surface (223) is an inclined surface, the first pressing bolt (222) penetrates through the first pressing block (221) from top to bottom and is in threaded connection with the female mold plate (11), and the first pressing bolt (222) is screwed to drive the first pressing block (221) to move along the vertical direction and press the first insert (21).
3. An decentered ophthalmic lens mold according to claim 2 wherein the first pinch contact surface (223) is at an angle of 5 ° to the vertical.
4. The lens mold capable of being eccentrically adjusted according to claim 1, wherein the second extrusion part (32) comprises a second extrusion block (321) and a second extrusion bolt (322), the second extrusion block (321) is in contact with the second insert (31), the second extrusion contact surface (323) is an inclined surface, the second extrusion bolt (322) penetrates through the second extrusion block (321) from top to bottom and is in threaded connection with the male mold plate (12), and the second extrusion block (321) can be driven to move in the vertical direction and extrude the second insert (31) by screwing the second extrusion bolt (322).
5. An decentered ophthalmic lens mold according to claim 4 wherein the second press contact surface (323) is at an angle of 5 ° to the vertical.
6. The lens mold capable of being eccentrically adjusted according to claim 1, wherein the inner side of the second insert (31) is provided with a second deformation portion (311), the outer side of the second insert is provided with a second extrusion portion (312), two second extrusion pieces (32) are arranged on the outer side of the second extrusion portion (312), a plurality of second small round holes (313) for improving deformation are formed in the second deformation portion (311), and the second insert (31) is identical to the first insert (21) in structure.
7. An eccentric adjustable lens mold according to claim 1, wherein the first adjusting device (2), the second adjusting device (3), the female mold core (13), the male mold core (14) and the male mold core (15) are all provided with a plurality of and distributed on the mold main body (1) in a surrounding manner.
8. An eccentrically adjustable lens mould according to claim 1, characterized in that the mould body (1) further comprises an ejector mechanism (16), the ejector mechanism (16) being adapted to perform demoulding of the male inner mould core (14) and the male outer mould core (15).
9. An eccentrically adjustable lens mould according to claim 1, characterized in that the mould body (1) further comprises a female mould fixing plate (17), a male mould fixing plate (18) and a male mould base plate (19), the female mould plate (11) being arranged on the female mould fixing plate (17), the male mould plate (12) being arranged on the male mould fixing plate (18), the male mould fixing plate (18) being arranged on the male mould base plate (19).
10. The eccentrically adjustable lens mold according to claim 1, further comprising a male runner platen (5) and a female runner platen (6), the male runner platen (5) being disposed on the male platen (12) and the female runner platen (6) being disposed on the female platen (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311704021.7A CN117400459A (en) | 2023-12-13 | 2023-12-13 | Lens mould capable of being eccentrically adjusted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311704021.7A CN117400459A (en) | 2023-12-13 | 2023-12-13 | Lens mould capable of being eccentrically adjusted |
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| Publication Number | Publication Date |
|---|---|
| CN117400459A true CN117400459A (en) | 2024-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311704021.7A Pending CN117400459A (en) | 2023-12-13 | 2023-12-13 | Lens mould capable of being eccentrically adjusted |
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| CN (1) | CN117400459A (en) |
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| CN216182341U (en) * | 2021-10-26 | 2022-04-05 | 东莞市宇瞳光学科技股份有限公司 | Lens forming die |
| CN116476327A (en) * | 2023-05-06 | 2023-07-25 | 江西联益光学有限公司 | Eccentric adjusting structure and adjusting method for lens injection mold core |
| CN116945426A (en) * | 2023-08-30 | 2023-10-27 | 江西联创电子有限公司 | Eccentric adjustable optical lens manufacturing die and manufacturing method |
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