CN203527805U - Plastic optical lens mold structure - Google Patents
Plastic optical lens mold structure Download PDFInfo
- Publication number
- CN203527805U CN203527805U CN201320701523.XU CN201320701523U CN203527805U CN 203527805 U CN203527805 U CN 203527805U CN 201320701523 U CN201320701523 U CN 201320701523U CN 203527805 U CN203527805 U CN 203527805U
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- Prior art keywords
- lining
- hole
- rear mold
- front mould
- optical lens
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- 230000003287 optical effect Effects 0.000 title claims description 23
- 239000004568 cement Substances 0.000 claims description 22
- 238000003754 machining Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 230000013011 mating Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a plastic optics lens mold structure. The mold structure comprises a front mold plate and a rear mold plate, wherein a front mold plate hole is formed in the front mold plate and a rear mold plate hole is formed in the rear mold plate; a front mold bushing is arranged in the front mold plate hole and a rear mold bushing is arranged in the rear mold plate hole, a front mold core is arranged inside the front mold bushing and a rear mold core is arranged inside the rear mold bushing; a conical-surface matching positioning structure is arranged at each of the front ends of the front mold bushing and the rear mold bushing. The plastic optics lens mold structure has the advantage of improving the eccentric precision of the aspheric surface.
Description
[technical field]
The utility model is about a kind of plastic cement optical lens die structure, especially for improve in plastic cement optical mirror slip between two aspheric surfaces eccentric precision and guarantee to produce in the extraordinary lens mold structure of core shift stability.
[background technology]
Traditional plastic lens mould structure is in lining, to fill die or whole die, due to the error of processing and cooperation, can not reach the requirement of steady production high eccentricity precision in batches.Along with the continuous increase of mobile phone camera function, mobile lens pixel is also slowly increasing, and the mobile lens pixel of selling has in the market reached 8,000,000 1,300 ten thousand pixels even, may have the demand of higher pixel camera lens later.
But along with the increase of camera lens pixel, just more and more higher to the bias requirement of eyeglass, bias need to be below 2 μ, the eyeglass even having requires below 1 μ, and camera lens solution picture just can reach necessary requirement.Eccentricity of glasses lens precision 2 μ that industry can guarantee at present, also very difficult concerning existing mould structure, 1 μ is with interior cannot realization (just contingency, formally volume production).
[utility model content]
The purpose of this utility model is to overcome the deficiencies in the prior art and a kind of mould structure that can improve the eccentric precision of aspheric surface is provided.
For above-mentioned purpose, the utility model by the following technical solutions:
A kind of plastic cement optical lens die structure, include front template 1 and rear pattern plate 2, on front template 1, be provided with front mould plate hole 11, on rear pattern plate 2, be provided with rear mold plate hole 21, in front mould plate hole 11, be provided with front mould lining 4, in rear mold plate hole 21, be provided with rear mold lining 6, at the interior front mould die 5 that arranges of front mould lining 4, at the interior rear mold die 7 that arranges of rear mold lining 6, it is characterized in that: the front end at described front mould lining 4 and rear mold lining 6 is provided with cone match location structure 9.
Plastic cement optical lens die structure as above, it is characterized in that: described cone match location structure 9 includes the front end conical surface 9a that is arranged on front mould lining 4 end faces, end face at rear mold lining 6 is provided with rear end conical surface 9b, and the tapering of described front end conical surface 9a and rear end conical surface 9b is identical and both cooperatively interact.
Plastic cement optical lens die structure as above, is characterized in that: on front template 1 and rear pattern plate 2, be equipped with the disposable through hole processing 31, be provided with the taper locator 3 for locating in through hole 31.
Plastic cement optical lens die structure as above, is characterized in that: described front mould lining 4 is matched in clearance with the front mould plate hole 11 of front template 1, and rear mold lining 6 is interference fit with the rear mold plate hole 21 of rear pattern plate 2.
Plastic cement optical lens die structure as above, is characterized in that: in described front mould lining 4, be provided with front mould bush hole 41, described front mould die 5 is interference fit with front mould bush hole 41; In rear mold lining 6, be provided with rear mold bush hole 61, rear mold die 7 is matched in clearance with rear mold bush hole 61.
Plastic cement optical lens die structure as above, is characterized in that: the internal diameter of described front mould plate hole 11 and rear mold plate hole 21 is identical and process for disposable.
Plastic cement optical lens die structure as above, it is characterized in that: described taper locator 3 includes the front end taper convex surface 32 being arranged in through hole 31 and is arranged on the rear end toper concave surface 33 of through hole 31, the tapering of front end taper convex surface 32 and rear end toper concave surface 33 identical and both cooperatively interact.
Plastic cement optical lens die structure as above, is characterized in that: on lining mating surface, be designed with air discharge duct or steam vent 42.
Plastic cement optical lens die structure as above, is characterized in that: the front end conical surface 9a of described front mould lining 4 and front mould bush hole 41 are with disposable the machining of ultrahigh precision die processing machine; In rear mold die lining 6, be provided with the hole 63 identical with eyeglass external diameter, in rear mold lining 6, front end conical surface 9b, rear mold bush hole 61 are with disposable the machining of ultrahigh precision die processing machine with hole 63.
The beneficial effects of the utility model have:
1, between the forward and backward mould die lining in each injection moulding eyeglass cave, there is cone match location structure, die adjustment is the rear core shift stability that just can guarantee well each injection moulding eyeglass cave in production well, has avoided the unstability that in traditional structure, mould preparation core shift differs to property and each upper and lower mould.
2, the disposable technique of processing simultaneously of through hole that adopts forward and backward pattern hole and taper locator is installed, in each forming period, forward and backward mould will folding 1 time, during matched moulds, need to rely on the taper locator being arranged in through hole to play rough resetting effect, adopt disposable processing simultaneously can guarantee before and after the mould axiality repeatable accuracy between lining during matched moulds again, and then cone match location structure plays accurate location, guarantee the core shift precision in each cave.Avoided the unstability that in traditional structure, mould preparation core shift differs to property and each upper and lower mould.
[accompanying drawing explanation]
Fig. 1 mold integral structural representation.
Fig. 2 front mould bush structure schematic diagram.
Fig. 3 rear mold bush structure schematic diagram.
Fig. 4 front mould mould core structure schematic diagram.
Fig. 5 rear mold mould core structure schematic diagram.
[specific embodiment]
Below in conjunction with accompanying drawing and embodiment, the utility model is elaborated:
As shown in the figure, a kind of plastic cement optical lens die structure, comprises front template 1 and rear pattern plate 2, is provided with front mould plate hole 11 on front template 1, is provided with rear mold plate hole 21 on rear pattern plate 2.In front mould plate hole 11, be provided with front mould lining 4, in rear mold plate hole 21, be provided with rear mold lining 6.At the interior front mould die 5 that arranges of front mould lining 4, at the interior rear mold die 7 that arranges of rear mold lining 6.Front end at described front mould lining 4 and rear mold lining 6 is provided with cone match location structure 9.
The internal diameter of described front mould plate hole 11 and rear mold plate hole 21 is identical and process for disposable.Because front mould plate hole 11 is identical with the aperture of rear mold plate hole 21, front template 1 and rear pattern plate 2 use guide pillar guide pin bushings are fixed together, with ultraprecise jig grinder from the disposable front mould plate hole 11 of front template 1 and the rear mold plate hole 21 of rear pattern plate 2 and the through hole 31 of processing of a side simultaneously.Adopt this processing technology can guarantee the axiality between front mould plate hole 11 and rear mold plate hole 21, and the axiality of through hole 31 is all below 0.5 μ.Why adopt rear mold plate hole 21 and front mould plate hole 11 and the disposable while processing technology of through hole 31, because mould will folding mould 1 time before and after in each forming period, during matched moulds, need to rely on the taper locator 3 being arranged in through hole 31 to play rough resetting effect, cone match location structure 9 precision-fit that dependence is arranged on the die lining in front mould plate hole 11 and rear mold plate hole 21 play accurate resetting effect, the mould axiality repeatable accuracy between die during matched moulds again before and after guaranteeing.
As shown in Figure 2,3, described cone match location structure 9 includes the front end conical surface 9a that is arranged on front mould lining 4 end faces, end face at rear mold lining 6 is provided with rear end conical surface 9b, the tapering of described front end conical surface 9a and rear end conical surface 9b is identical and both cooperatively interact, and has guaranteed so well accurate resetting effect.
On front template 1 and rear pattern plate 2, be equipped with the disposable through hole processing 31, in through hole 31, be provided with the taper locator 3 for locating.Described taper locator 3 includes the front end taper convex surface 32 being arranged in through hole 31 and is arranged on the rear end toper concave surface 33 of through hole 31, the tapering of front end taper convex surface 32 and rear end toper concave surface 33 identical and both cooperatively interact.
Described front mould lining 4 is matched in clearance with the front mould plate hole 11 of front template 1, and rear mold lining 6 is interference fit with the rear mold plate hole 21 of rear pattern plate 2.The suitable shift position of front mould lining 4 when front end conical surface 9a and rear end conical surface 9b occur to coordinate in matched moulds process, to guarantee conical surface precision-fit.
In described front mould lining 4, be provided with front mould bush hole 41, described front mould die 5 is interference fit with front mould bush hole 41; In rear mold lining 6, be provided with rear mold bush hole 61, rear mold die 7 is matched in clearance with rear mold bush hole 61, in the situation that guaranteeing that core shift is little, can realize die and eject eyeglass.And front mould die 5 and rear mold die 7 be respectively at front mould lining 4 with rear mold lining 6 is interior can adjust up and down, so that it is thick and carry out eyeglass and eject to adjust as required core between eyeglass aspheric surface.
On lining mating surface, be designed with air discharge duct or steam vent 42.
The front end conical surface 9a of described front mould lining 4 and front mould bush hole 41 are with disposable the machining of ultrahigh precision die processing machine, and assurance axiality is each other in 0.3 μ.In rear mold die lining 6, be provided with the hole 63 identical with eyeglass external diameter, in rear mold die lining 6, front end conical surface 9b, rear mold bush hole 61 are with disposable the machining of ultrahigh precision die processing machine with hole 63.Assurance axiality each other, in 0.3 μ, has guaranteed that eyeglass external diameter positioning datum and an aspheric core shift are in 1 μ.
At front mould lining 4 and rear mold lining 6 contact-making surfaces, prolong and be radially respectively equipped with lower flow channel 8a and upper runner 8b, described upper runner 8b and dirty morality and justice 8a are thought of as a complete runner in injection moulding process, and be communicated with the runner 8 on front template 1 and rear pattern plate 2 contact-making surfaces, in this structure, the offside of cast gate is designed with second row air drain 43, solve the bad problem of exhaust, guarantee the quality of eyeglass.
Claims (9)
1. a plastic cement optical lens die structure, include front template (1) and rear pattern plate (2), on front template (1), be provided with front mould plate hole (11), on rear pattern plate (2), be provided with rear mold plate hole (21), in front mould plate hole (11), be provided with front mould lining (4), in rear mold plate hole (21), be provided with rear mold lining (6), front mould die (5) is set in front mould lining (4), rear mold die (7) is set in rear mold lining (6), it is characterized in that: the front end at described front mould lining (4) and rear mold lining (6) is provided with cone match location structure (9).
2. plastic cement optical lens die structure as claimed in claim 1, it is characterized in that: described cone match location structure (9) includes the front end conical surface (9a) that is arranged on front mould lining (4) end face, end face at rear mold lining (6) is provided with the rear end conical surface (9b), and the tapering of the described front end conical surface (9a) and the rear end conical surface (9b) is identical and both cooperatively interact.
3. plastic cement optical lens die structure as claimed in claim 2, is characterized in that: on front template (1) and rear pattern plate (2), be equipped with the disposable through hole processing (31), be provided with the taper locator (3) for locating in through hole (31).
4. the plastic cement optical lens die structure as described in claim 1 or 2 or 3, it is characterized in that: described front mould lining (4) is matched in clearance with the front mould plate hole (11) of front template (1), rear mold lining (6) is interference fit with the rear mold plate hole (21) of rear pattern plate (2).
5. plastic cement optical lens die structure as claimed in claim 2, is characterized in that: in described front mould lining (4), be provided with front mould bush hole (41), described front mould die (5) is interference fit with front mould bush hole (41); In rear mold lining (6), be provided with rear mold bush hole (61), rear mold die (7) is matched in clearance with rear mold bush hole (61).
6. the plastic cement optical lens die structure as described in claim 1 or 2 or 3, is characterized in that: the internal diameter of described front mould plate hole (11) and rear mold plate hole (21) is identical and process for disposable.
7. plastic cement optical lens die structure as claimed in claim 3, it is characterized in that: described taper locator (3) includes the front end taper convex surface (32) being arranged in through hole (31) and is arranged on the rear end toper concave surface (33) of through hole (31), the tapering of front end taper convex surface (32) and rear end toper concave surface (33) identical and both cooperatively interact.
8. the plastic cement optical lens die structure as described in claim 1 or 2 or 3, is characterized in that: on lining mating surface, be designed with air discharge duct or steam vent (42).
9. plastic cement optical lens die structure as claimed in claim 5, is characterized in that: the front end conical surface (9a) of described front mould lining (4) is with disposable the machining of ultrahigh precision die processing machine with front mould bush hole (41); In rear mold die lining (6), be provided with the hole (63) identical with eyeglass external diameter, in rear mold lining (6), the front end conical surface (9b), rear mold bush hole (61) are with disposable the machining of ultrahigh precision die processing machine with hole (63).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320701523.XU CN203527805U (en) | 2013-11-07 | 2013-11-07 | Plastic optical lens mold structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320701523.XU CN203527805U (en) | 2013-11-07 | 2013-11-07 | Plastic optical lens mold structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203527805U true CN203527805U (en) | 2014-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320701523.XU Expired - Lifetime CN203527805U (en) | 2013-11-07 | 2013-11-07 | Plastic optical lens mold structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203527805U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105984089A (en) * | 2015-02-13 | 2016-10-05 | 浙江舜宇光学有限公司 | Eccentric adjustment device, lens injection mold, eccentric adjustment system and method of eccentric adjustment system |
| JP2019177575A (en) * | 2018-03-30 | 2019-10-17 | 日本電産サンキョー株式会社 | Lens molding mold |
| CN110713389A (en) * | 2019-11-29 | 2020-01-21 | 东莞市凯融光学科技有限公司 | Method for forming non-spherical ceramic mold core |
-
2013
- 2013-11-07 CN CN201320701523.XU patent/CN203527805U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105984089A (en) * | 2015-02-13 | 2016-10-05 | 浙江舜宇光学有限公司 | Eccentric adjustment device, lens injection mold, eccentric adjustment system and method of eccentric adjustment system |
| JP2019177575A (en) * | 2018-03-30 | 2019-10-17 | 日本電産サンキョー株式会社 | Lens molding mold |
| CN110713389A (en) * | 2019-11-29 | 2020-01-21 | 东莞市凯融光学科技有限公司 | Method for forming non-spherical ceramic mold core |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHONGSHAN LIANHE PHOTOELECTRIC TECHNOLOGY CO., LTD Free format text: FORMER NAME: ZHONGSHAN UNION OPTIC CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 528400 Zhongshan Torch Development Zone, Guangdong Road, No. 10 Patentee after: UNION OPTECH Co.,Ltd. Address before: 528400 Guangdong province Zhongshan Dongli Torch Development Zone torch joint electronic city building A3 Patentee before: UNION OPTECH Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140409 |
|
| CX01 | Expiry of patent term |