CN220638600U - Prevent decentered optical lens mould - Google Patents
Prevent decentered optical lens mould Download PDFInfo
- Publication number
- CN220638600U CN220638600U CN202321550054.6U CN202321550054U CN220638600U CN 220638600 U CN220638600 U CN 220638600U CN 202321550054 U CN202321550054 U CN 202321550054U CN 220638600 U CN220638600 U CN 220638600U
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- template
- cavity
- mold
- guide pillar
- hole
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- 230000003287 optical effect Effects 0.000 title claims abstract description 22
- 238000003825 pressing Methods 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims 1
- 238000001746 injection moulding Methods 0.000 description 8
- 238000000465 moulding Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses an optical lens mold capable of preventing eccentricity, belonging to the field of lens molds, comprising: the mold is integrally divided into three parts, namely a first mold plate, a second mold plate and a mold base, wherein the mold plate is provided with a mold lug, an exhaust hole and a pouring opening, the top of the first mold plate is provided with a first mold plate guide pillar hole, the second mold plate is provided with a cavity, a push block movable cavity and a second mold plate guide pillar hole, the mold base is provided with a guide pillar and a push plate movable cavity, the push plate movable cavity is provided with a push plate, the outer side of the push plate is provided with a sliding sleeve, the upper surface of the push plate is provided with a push rod, the outer side of the push rod is provided with a reset spring, the push block movable cavity is arranged at the bottom of the cavity, and a push block is arranged in the push block movable cavity and is used for pushing a lens out of the cavity in cooperation with the push rod; the utility model aims to provide an optical lens mold capable of preventing eccentricity, which adopts a double pushing block mode to ensure that the optical lens is not easy to generate eccentricity when the optical lens is ejected.
Description
Technical Field
The present utility model relates to a lens mold, and more particularly, to an optical lens mold capable of preventing decentration.
Background
The optical lens mold is a special mold for manufacturing optical lenses, and has the main functions of providing accurate shapes and sizes for the lenses in the manufacturing process of the optical lenses and ensuring that the quality of each lens can reach a certain standard.
In the prior art, according to the chinese patent, the application number CN101618589B discloses a lens mold, and the working principle of the lens mold is that a lens is molded by using a mold cavity formed inside a molding part when the upper mold slide and the lower mold slide of the molding part are closed, the upper mold slide and the lower mold slide of the molding part are separated in a sliding manner, and the whole molding part is partially accommodated in a groove, so that the whole molding part is separated from the upper mold slide and the lower mold slide, thereby realizing demolding of the lens, and avoiding damage to the lens when some small light and thin lenses are ejected by using ejector pins.
In the prior art, the ejection mechanism of the general die is ejector pins, but the problem of eccentricity is easily caused due to unstable movement of ejector pins, so a novel anti-eccentricity die is needed.
Disclosure of Invention
The utility model aims to provide an optical lens mold capable of preventing eccentricity, which adopts a double pushing block mode to ensure that the optical lens is not easy to generate eccentricity when the optical lens is ejected.
The technical aim of the utility model is realized by the following technical scheme: an optical lens mold for preventing decentration, comprising:
the die is integrally divided into three parts;
the first template is arranged above the die, the second template is arranged below the first template, and the die base is arranged below the die.
By adopting the technical scheme, the die is formed into three parts which can be opened, and each part can be used for different functions.
Preferably, the die lug is arranged in the middle of the lower surface of the first die plate, an exhaust hole is formed in the middle of the upper surface of the first die plate, a pouring gate is arranged on the outer side of the exhaust hole, and a first die plate guide pillar hole is formed in the top of the first die plate.
Through adopting above-mentioned technical scheme, the mould lug is used for forming needs fashioned material upper surface, and the exhaust hole is used for discharging inside air when pouring operation, and the pouring gate is used for being convenient for empty injection molding material when pouring operation, and first template guide pillar hole is first template can not put the off tracking when using.
Preferably, the mold cavity is arranged at the top of the second mold plate and is used for molding the lens with the mold convex block, the bottom of the mold cavity is provided with a pushing block movable cavity, and the top of the second mold plate is provided with a second mold plate guide pillar hole through holes.
Through adopting above-mentioned technical scheme, the die cavity is used for forming required lens shape with the mould lug, and the ejector pad is used for ejecting the lens when the lens demolding, conveniently collects, and ejector pad movable chamber is used for restricting ejector pad movable range, prevents that the ejector pad skew from arousing that the lens is eccentric and broken, and second template guide pillar hole is the second mould board can not skew when using.
Preferably, the guide post is arranged at the top of the die base, and a movable cavity of the thrust pressing plate is formed at the bottom of the die base.
Through adopting above-mentioned technical scheme, the guide pillar is fixed at the mould base top and is favorable to the position of quick location first template and second template, and thrust clamp plate movable chamber is used for confirming the position of push rod.
Preferably, the thrust pressure plate is arranged on the inner side of the movable cavity of the thrust pressure plate, a sliding sleeve is arranged on the outer side of the thrust pressure plate, a push rod is arranged on the upper surface of the thrust pressure plate, and a reset spring is arranged on the outer side of the push rod.
Through adopting above-mentioned technical scheme, thrust clamp plate is favorable to making the push rod atress even when making the push rod stretch out, and the sliding sleeve is used for thrust clamp plate to slide smoothly when using, and reset spring makes thrust clamp plate can reply fast after using.
Preferably, the first template guide pillar hole is arranged at the top of the guide pillar and used for guiding the position of the first template during disassembly and assembly, the second template guide pillar hole with the through hole is formed at the top of the second template, and the guide pillar is matched with the second template guide pillar hole and used for guiding the position of the second template during disassembly and assembly.
By adopting the technical scheme, the first template guide pillar hole and the guide pillar are matched to enable the first template to be positioned rapidly before and after working, and the second template guide pillar hole and the guide pillar are matched to enable the second template to be positioned rapidly before and after working.
Preferably, the movable pushing block cavity is arranged at the bottom of the cavity, and a pushing block is arranged in the movable pushing block cavity and is used for pushing the lens out of the cavity in cooperation with the pushing rod.
By adopting the technical scheme, the movable cavity of the push block limits the push block from deflecting, so that the push block can not eccentric when pushing the lens out of the cavity under the pushing of the push rod.
In summary, when in use, the second template guide pillar hole on the second template of the die is aligned with the guide pillar on the die base, the push block in the movable cavity of the push block is reset, the first template guide pillar hole on the first template is aligned with the guide pillar on the die base, during casting, a proper amount of injection molding liquid is injected into the die cavity through the casting opening, air in the die cavity is discharged through the exhaust hole, the injection molding liquid is cooled and molded through the combination of the die convex block and the die cavity, after the injection molding liquid is cooled and completed, the first template is taken down, the thrust pressing plate is pressed, the thrust pressing plate is enabled to push out the push block uniformly under the action of the sliding sleeve and the reset spring, the push block is pushed out of the molded lens under the action of the push rod and the movable cavity of the push block, and the lens is enabled not to be broken and polarized through the even stress of the push block.
Drawings
FIG. 1 is a schematic diagram of a full section of an optical lens mold for preventing decentration according to the present utility model;
FIG. 2 is a schematic illustration of a first mold plate of an anti-decentration optical lens mold according to the present utility model;
FIG. 3 is a schematic illustration of a second mold plate of an anti-decentration optical lens mold according to the present utility model;
fig. 4 is a schematic view of a mold base of an optical lens mold for preventing decentration according to the present utility model.
In the figure, 1, a mould; 2. a first template; 3. a second template; 4. a mold base; 5. a die bump; 6. a sprue gate; 7. an exhaust hole; 8. a first template guide post hole; 9. a second template guide post hole; 10. a cavity; 11. a pushing block; 12. a push block movable cavity; 13. a guide post; 14. a push rod; 15. a thrust pressure plate; 16. a sliding sleeve; 17. a return spring; 18. a movable cavity of the thrust pressing plate.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.
Example 1:
as shown in fig. 1-4, comprising: a die 1, the whole of which is divided into three parts; the first template 2, it sets up in mould 1 top, and first template 2 below is provided with second template 3, and mould 1 below is provided with mould base 4.
As shown in fig. 2, the mold bump 5 is disposed in the middle of the lower surface of the first mold plate 2, an exhaust hole 7 is disposed in the middle of the upper surface of the first mold plate 2, a pouring opening 6 is disposed outside the exhaust hole 7, and a through hole first mold plate guide pillar hole 8 is disposed at the top of the first mold plate 2.
As shown in fig. 3, a cavity 10 is disposed at the top of the second mold plate 3 and is used for molding a lens with the mold bump 5, a movable cavity 12 of a push block is provided at the bottom of the cavity 10, a second mold plate guide post hole 9 is disposed at the top of the second mold plate 3, the movable cavity 12 of the push block is disposed at the bottom of the cavity 10, a push block 11 is disposed inside the movable cavity 12 of the push block, and the push block 11 is used for pushing the lens out of the cavity 10 in cooperation with a push rod 14.
As shown in fig. 4, the guide post 13 is disposed at the top of the mold base 4, the bottom of the mold base 4 is provided with a movable cavity 18 of a thrust platen, a thrust platen 15 is disposed at the inner side of the movable cavity 18 of the thrust platen, a sliding sleeve 16 is disposed at the outer side of the thrust platen 15, a push rod 14 is disposed on the upper surface of the thrust platen 15, a return spring 17 is disposed at the outer side of the push rod 14, a first template guide post hole 8 is disposed at the top of the first template 2, the guide post 13 is matched with the first template 2 for guiding the position of the first template 2 during disassembly, a through hole second template guide post hole 9 is disposed at the top of the second template 3, and the guide post 13 is matched with the second template 3 for guiding the position of the second template 3 during disassembly.
Working principle: when the injection molding device is used, the second template guide post hole 9 on the second template 3 of the mold 1 is aligned with the guide post 13 on the mold base 4, the second template 3 is firmly placed on the mold base 4, the push block 11 in the push block movable cavity 12 is reset, the first template guide post hole 8 on the first template 2 is aligned with the guide post 13 on the mold base 4, the first template 2 is firmly placed above the second template 3, during casting, a proper amount of injection molding liquid is injected into the cavity 10 through the sprue 6, air in the cavity 10 is discharged through the air outlet 7, injection molding liquid is cooled and molded through the combination of the mold lug 5 and the cavity 10, after injection molding liquid is cooled, the first template 2 is taken down, the push platen 15 is pressed, the push platen 15 is enabled to be evenly pushed by the push blocks 14 at two sides under the action of the sliding sleeve 16 and the reset spring 17, the formed lens is pushed out by the push block 11 under the action of the push block 14 and the push block movable cavity 12, the lens is enabled not to be broken and polarized, after the lens is taken out, the push platen 15 is released, and the push platen 15 is enabled to return to the push platen 11 to the original position through the reset spring 17 and the push platen 11 is driven by the reset spring 17.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (4)
1. An optical lens mold for preventing decentration, comprising:
a mold (1) which is divided into three parts as a whole;
the first template (2), it sets up in mould (1) top, first template (2) below is provided with second template (3), mould (1) below is provided with mould base (4), mould lug (5), and it sets up in the middle of first template (2) lower surface, be provided with exhaust hole (7) in the middle of first template (2) upper surface, the exhaust hole (7) outside is provided with pouring gate (6), first template (2) top is provided with through-hole first template guide pillar hole (8), second template (3) include:
die cavity (10), it sets up in second template (3) top for make the lens shaping with mould lug (5), ejector pad movable cavity (12) have been seted up to die cavity (10) bottom, second template (3) top is provided with through-hole second template guide pillar hole (9), mould base (4) include:
the guide pillar (13) is arranged at the top of the die base (4), and a thrust pressing plate movable cavity (18) is formed in the bottom of the die base (4).
2. An decentering-preventing optical lens mold according to claim 1, wherein: the thrust platen active chamber (18) comprises:
the thrust pressure plate (15) is arranged on the inner side of the thrust pressure plate movable cavity (18), a sliding sleeve (16) is arranged on the outer side of the thrust pressure plate (15), a push rod (14) is arranged on the upper surface of the thrust pressure plate (15), and a reset spring (17) is arranged on the outer side of the push rod (14).
3. An decentering-preventing optical lens mold according to claim 1, wherein: the guide post (13) comprises:
the first template guide pillar hole (8) is arranged at the top of the guide pillar (13) and used for guiding the position of the first template (2) during disassembly and assembly, the second template (3) is provided with the through hole second template guide pillar hole (9) at the top, and the guide pillar (13) is matched with the through hole second template guide pillar hole and used for guiding the position of the second template (3) during disassembly and assembly.
4. An decentering-preventing optical lens mold according to claim 1, wherein: the cavity (10) comprises:
the movable pushing block cavity (12) is arranged at the bottom of the cavity (10), a pushing block (11) is arranged in the movable pushing block cavity (12), and the pushing block (11) is used for pushing the lens out of the cavity (10) by matching with the pushing rod (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321550054.6U CN220638600U (en) | 2023-06-18 | 2023-06-18 | Prevent decentered optical lens mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321550054.6U CN220638600U (en) | 2023-06-18 | 2023-06-18 | Prevent decentered optical lens mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220638600U true CN220638600U (en) | 2024-03-22 |
Family
ID=90292951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321550054.6U Active CN220638600U (en) | 2023-06-18 | 2023-06-18 | Prevent decentered optical lens mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220638600U (en) |
-
2023
- 2023-06-18 CN CN202321550054.6U patent/CN220638600U/en active Active
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