CN104816434A - Mold structure for manufacturing precise optical lens cone - Google Patents
Mold structure for manufacturing precise optical lens cone Download PDFInfo
- Publication number
- CN104816434A CN104816434A CN201510176554.1A CN201510176554A CN104816434A CN 104816434 A CN104816434 A CN 104816434A CN 201510176554 A CN201510176554 A CN 201510176554A CN 104816434 A CN104816434 A CN 104816434A
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- China
- Prior art keywords
- mold core
- lens barrel
- cavity
- mold
- locating hole
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Abstract
The invention relates to a mold structure for manufacturing a precise optical lens cone. The mold structure comprises a base body, wherein a convex mold fixed plate, a lower mold base and an upper mold base are arranged on the base body in sequence; a lower mold cavity is formed in the lower mold base; an upper mold cavity covered with the upper mold cavity is formed in the upper mold base; a lower mold core is arranged in the lower mold cavity; an upper mold core is arranged in the upper mold cavity; the convex mold fixed plate is provided with a convex mold rod penetrating through the lower mold base to be inserted into the lower mold core; and a molding cavity is defined by the lower mold core, the upper mold core and the convex mold rod. The mold structure is characterized in that a lower positioning hole is formed in the lower mold core; the upper mold core is provided with an upper positioning hole coaxial and communicated with the lower positioning hole; and a coaxial positioning piece inserted into the upper positioning hole to penetrate through the lower mold core and the upper mold core is arranged in the lower positioning hole. The mold structure is simple in structure; and the manufactured lens cone product is high in coaxiality.
Description
[technical field]
The present invention relates to a kind of plastic rubber mold structure, particularly a kind of mould structure making precision optics lens barrel.
[background technology]
Lens barrel refers in phone camera module, the element of inner dress eyeglass.Glue is entered, plastic cement imbalance of flow in traditional some style big water gap sides of the many employings of Mobile phone plastic lens barrel mould, and the lens barrel quality formed out is undesirable.Add the common mill of the many employings of lens barrel mold insert or Milling Machining out, cause lens barrel to fill the size in each footpath of eyeglass and axiality also very poor.Traditional moulds structure many employings push pedal is released, and lens barrel surface has clamp to produce, and can produce burr, thus affects the flatness of lens barrel.Along with the requirement of consumer to mobile phone camera function is more and more higher, the pixel of mobile lens is also more and more higher, and major part is all more than 8,000,000 in the market.Therefore traditional lens barrel mould structure injection moulding product out, all cannot meet the need of market from outward appearance or performance.Therefore in order to obtain better lens barrel product, group goes out better camera lens, will improve existing mould structure.
[summary of the invention]
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of structure simple, the mould structure of the making precision optics lens barrel that lens barrel product axiality is high.
In order to solve the problem, the present invention by the following technical solutions:
A kind of mould structure making precision optics lens barrel, comprise pedestal, described pedestal is provided with punch retainer successively, die shoe, upper bolster, described die shoe is provided with lower mode cavity, described upper bolster is provided with the upper cavity covered mutually with upper cavity, lower mold core is provided with in described lower mode cavity, upper mold core is provided with in described upper cavity, described punch retainer is provided with the convex die rod being inserted into lower mold core through described die shoe, described lower mold core, upper mold core and convex die rod are surrounded by forming cavity, it is characterized in that: described lower mold core is provided with lower locating hole, described upper mold core is provided with and the upper locating hole that be connected coaxial with described lower locating hole, the coaxial positioning part being inserted into and lower mold core and upper mold core being installed in locating hole is provided with in described lower locating hole.
Make a mould structure for precision optics lens barrel as above, it is characterized in that: described coaxial positioning part comprises and is located at upper locating dowel in locating hole and is located at the lower locating dowel that one end in lower locating hole extend into locating hole and described upper locating dowel grafting.
Make a mould structure for precision optics lens barrel as above, it is characterized in that: described upper locating dowel is provided with circular groove, described lower locating dowel is provided with the projection be inserted in described circular groove.
A kind of mould structure making precision optics lens barrel as above, it is characterized in that: the upper end of described convex die rod is provided with punch end, described punch end is provided with multistage lens barrel step, and the shoulder diameter of described convex die rod is greater than the maximum gauge of described forming cavity.
A kind of mould structure making precision optics lens barrel as above, it is characterized in that: described upper mold core is provided with annular and enters solation road, described annular is entered solation road and is provided with multiple glue-feeder being communicated to described forming cavity, and it is uniform that described glue-feeder enters circumference on solation road in annular.
Make a mould structure for precision optics lens barrel as above, it is characterized in that: described upper mold core is provided with the runner that multiple connection annular enters solation road, and it is uniform that described runner enters circumference on solation road in annular.
A kind of mould structure making precision optics lens barrel as above, it is characterized in that: described punch retainer is provided with mounting groove, ladder hole is provided with in described mounting groove, described convex die rod one end is located in ladder hole, be provided with the keeper of convex die rod radial compression being located in the macropore of described ladder hole, described mounting groove is embedded in the gripper shoe of the keeper described in support.
Beneficial effect of the present invention has: the axiality being guaranteed upper mold core and lower mold core by axle keeper, accurate at matched moulds aftershaping chamber matched moulds like this, there will not be dislocation, make the axiality of injecting products high during die sinking at die joint place; The upper end of convex die rod is provided with punch end, punch end is provided with multistage lens barrel step, nickel plating Ultra-precision Turning mode can be adopted to process multistage lens barrel step, improve precision, the shoulder diameter of convex die rod is greater than the maximum gauge of forming cavity, make the end face of lens barrel not have clamp like this, lens barrel can not produce burr, ensure that the flatness of lens barrel end face; Glue-feeder is communicated with annular and enters solation road, and it is uniform that glue-feeder enters circumference on solation road in annular, so just achieves the balance into glue, improve the stability of lens barrel quality; Convex die rod is fixed on punch retainer, and when first time die sinking, between punch retainer and die shoe, die shoe moves up, and convex die rod is pulled out into die cavity, does not so just need thimble to be ejected by product, avoids top wound.
[accompanying drawing explanation]
Fig. 1 is sectional view of the present invention;
Fig. 2 is the I portion enlarged drawing of Fig. 1;
Fig. 3 is the upward view of upper mold core of the present invention;
Fig. 4 is the sectional view of locator of the present invention;
Fig. 5 is the sectional view of convex die rod of the present invention.
[detailed description of the invention]
Below in conjunction with accompanying drawing and detailed description of the invention, the present invention is described in further detail:
As shown in Figures 1 to 5, a kind of mould structure making precision optics lens barrel, comprise pedestal 1, pedestal 1 is provided with punch retainer 10 successively, die shoe 2, upper bolster 3, die shoe 2 is provided with lower mode cavity 21, upper bolster 3 is provided with the upper cavity 31 covered mutually with upper cavity 21, lower mold core 22 is provided with in lower mode cavity 21, upper mold core 32 is provided with in upper cavity 31, punch retainer 10 is provided with the convex die rod 5 being inserted into lower mold core 22 through die shoe 2, lower mold core 22, upper mold core 32 and convex die rod 5 are surrounded by forming cavity 4, lower mold core 22 is provided with lower locating hole 23, upper mold core 32 is provided with and the upper locating hole 33 that be connected coaxial with lower locating hole 23, the coaxial positioning part 6 being inserted in locating hole 33 and being provided with and lower mold core 22 and upper mold core 32 being installed is provided with in lower locating hole 23.Coaxial positioning part 6 comprises and is located at upper locating dowel in locating hole 33 61 and is located at the lower locating dowel 62 that one end in lower locating hole 23 extend into locating hole 33 and the grafting of upper locating dowel 61.Upper locating dowel 61 is provided with circular groove 63, lower locating dowel 62 is provided with the projection 64 be inserted in circular groove 63, and upper locating dowel 61 is embedded in locating hole 33, and lower locating dowel 62 is embedded in lower locating hole 23, during twice-die-opening, projection 64 is extracted from circular groove 63 gradually.
The upper end of convex die rod 5 is provided with punch end 51, and punch end 51 is provided with multistage lens barrel step 52, and shoulder 53 diameter of convex die rod 5 is greater than the maximum gauge of forming cavity 4, and namely the end of lens barrel product can withstand on shoulder 53 completely.Multistage lens barrel step 52 is for lens barrel inwall stepped during injection moulding.
The annular that is provided with of upper mold core 32 enters solation road 34, annular is entered solation road 34 and is provided with multiple glue-feeder 35 being communicated to forming cavity 4, it is uniform that glue-feeder 35 enters circumference on solation road 34 in annular, upper mold core 32 corresponds to glue-feeder 35 to be evenly provided with and to be multiplely communicated to the runner 36 that annular enters solation road 34, it is uniform that runner 36 enters circumference on solation road 34 in annular, mould-injection flows down by runner 36 from runner plate, evenly entering into annular enters in solation road 34, enter in forming cavity 4 by glue-feeder 35, such injecting glue is even, can reach balance injecting glue.
Punch retainer 10 is provided with mounting groove 13, ladder hole 11 is provided with in mounting groove 13, convex die rod 5 one end is located in ladder hole 11, and be provided with the keeper 12 of convex die rod 5 radial compression being located in the macropore of ladder hole 11, mounting groove 13 is embedded in the gripper shoe 14 of supporting positioning member 12.
First time die sinking is between punch retainer 10 and die shoe 2, and second time die sinking is between die shoe 2 and upper bolster 3 or perhaps between lower mold core 22 and upper mold core 32.When first time die sinking, convex die rod 5 leaves product, after second time die sinking, just can take out product.
Claims (7)
1. one kind makes the mould structure of precision optics lens barrel, comprise pedestal (1), described pedestal (1) is provided with punch retainer (10) successively, die shoe (2), upper bolster (3), described die shoe (2) is provided with lower mode cavity (21), described upper bolster (3) is provided with the upper cavity (31) covered mutually with upper cavity (21), lower mold core (22) is provided with in described lower mode cavity (21), upper mold core (32) is provided with in described upper cavity (31), described punch retainer (10) is provided with the convex die rod (5) being inserted into lower mold core (22) through described die shoe (2), described lower mold core (22), upper mold core (32) and convex die rod (5) are surrounded by forming cavity (4), it is characterized in that: described lower mold core (22) is provided with lower locating hole (23), described upper mold core (32) is provided with and the upper locating hole (33) that be connected coaxial with described lower locating hole (23), the coaxial positioning part (6) being inserted into and lower mold core (22) and upper mold core (32) being installed in locating hole (33) is provided with in described lower locating hole (23).
2. a kind of mould structure making precision optics lens barrel according to claim 1, is characterized in that: described coaxial positioning part (6) comprises the upper locating dowel (61) that is located in locating hole (33) and is located at the lower locating dowel (62) that lower locating hole (23) interior one end extend into locating hole (33) and described upper locating dowel (61) grafting.
3. a kind of mould structure making precision optics lens barrel according to claim 2, it is characterized in that: described upper locating dowel (61) is provided with circular groove (63), described lower locating dowel (62) is provided with the projection (64) be inserted in described circular groove (63).
4. a kind of mould structure making precision optics lens barrel according to claim 1, it is characterized in that: the upper end of described convex die rod (5) is provided with punch end (51), described punch end (51) is provided with multistage lens barrel step (52), and shoulder (53) diameter of described convex die rod (5) is greater than the maximum gauge of described forming cavity (4).
5. a kind of mould structure making precision optics lens barrel according to claim 1, it is characterized in that: described upper mold core (32) is provided with annular and enters solation road (34), described annular is entered solation road (34) and is provided with multiple glue-feeder (35) being communicated to described forming cavity (4), and it is uniform that described glue-feeder (35) enters the upper circumference in solation road (34) in annular.
6. a kind of mould structure making precision optics lens barrel according to claim 5, it is characterized in that: described upper mold core (32) is provided with the runner (36) that multiple connection annular enters solation road (34), it is uniform that described runner (36) enters the upper circumference in solation road (34) in annular.
7. a kind of mould structure making precision optics lens barrel according to claim 1, it is characterized in that: described punch retainer (10) is provided with mounting groove (13), ladder hole (11) is provided with in described mounting groove (13), described convex die rod (5) one end is located in ladder hole (11), the keeper (12) of convex die rod (5) radial compression being located is provided with in the macropore of described ladder hole (11), described mounting groove (13) is embedded in the gripper shoe (14) of the keeper (12) described in support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510176554.1A CN104816434B (en) | 2015-04-14 | 2015-04-14 | A kind of mould structure for making precision optics lens barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510176554.1A CN104816434B (en) | 2015-04-14 | 2015-04-14 | A kind of mould structure for making precision optics lens barrel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104816434A true CN104816434A (en) | 2015-08-05 |
| CN104816434B CN104816434B (en) | 2017-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510176554.1A Active CN104816434B (en) | 2015-04-14 | 2015-04-14 | A kind of mould structure for making precision optics lens barrel |
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| Country | Link |
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| CN (1) | CN104816434B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106003548A (en) * | 2016-06-30 | 2016-10-12 | 扬中市众成管路配件有限公司 | Equipment for machining pressure transmitter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59210406A (en) * | 1983-05-13 | 1984-11-29 | Hitachi Ltd | Main cylinder of plastic lens barrel for zoom lens and its manufacture |
| CN102096166A (en) * | 2010-12-13 | 2011-06-15 | 泉州市东南光电有限公司 | Lens barrel forming mold |
| CN102672888A (en) * | 2011-03-09 | 2012-09-19 | 鸿富锦精密工业（深圳）有限公司 | Lens barrel forming die |
| CN202764105U (en) * | 2012-06-26 | 2013-03-06 | 中山市雄兵橡胶有限公司 | Sealing ring die for pressure cooker |
| CN204566564U (en) * | 2015-04-14 | 2015-08-19 | 中山联合光电科技股份有限公司 | A kind of Novel die structure making precision optics lens barrel |
-
2015
- 2015-04-14 CN CN201510176554.1A patent/CN104816434B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59210406A (en) * | 1983-05-13 | 1984-11-29 | Hitachi Ltd | Main cylinder of plastic lens barrel for zoom lens and its manufacture |
| CN102096166A (en) * | 2010-12-13 | 2011-06-15 | 泉州市东南光电有限公司 | Lens barrel forming mold |
| CN102672888A (en) * | 2011-03-09 | 2012-09-19 | 鸿富锦精密工业（深圳）有限公司 | Lens barrel forming die |
| CN202764105U (en) * | 2012-06-26 | 2013-03-06 | 中山市雄兵橡胶有限公司 | Sealing ring die for pressure cooker |
| CN204566564U (en) * | 2015-04-14 | 2015-08-19 | 中山联合光电科技股份有限公司 | A kind of Novel die structure making precision optics lens barrel |
Non-Patent Citations (1)
| Title |
|---|
| GEORG MENGES: "《注射模具制造工程》", 31 January 2003, 化学工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106003548A (en) * | 2016-06-30 | 2016-10-12 | 扬中市众成管路配件有限公司 | Equipment for machining pressure transmitter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104816434B (en) | 2017-09-29 |
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