CN114043676A - Injection mold for producing biconvex lens - Google Patents

Injection mold for producing biconvex lens Download PDF

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Publication number
CN114043676A
CN114043676A CN202111437902.8A CN202111437902A CN114043676A CN 114043676 A CN114043676 A CN 114043676A CN 202111437902 A CN202111437902 A CN 202111437902A CN 114043676 A CN114043676 A CN 114043676A
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CN
China
Prior art keywords
gear
mold
flow channel
producing
injection mold
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111437902.8A
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Chinese (zh)
Inventor
南基学
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yejia Optical Technology Guangdong Corp
Original Assignee
Yejia Optical Technology Guangdong Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yejia Optical Technology Guangdong Corp filed Critical Yejia Optical Technology Guangdong Corp
Priority to CN202111437902.8A priority Critical patent/CN114043676A/en
Publication of CN114043676A publication Critical patent/CN114043676A/en
Pending legal-status Critical Current

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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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/2681—Moulds with rotatable mould parts
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/38—Cutting-off equipment for sprues or ingates
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/40—Removing or ejecting moulded articles
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/76—Measuring, controlling or regulating
    • B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material
    • 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
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76494—Controlled parameter
    • B29C2945/76595—Velocity
    • 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
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76655—Location of control
    • B29C2945/76732—Mould
    • B29C2945/76752—Mould runners, nozzles
    • 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
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76822—Phase or stage of control
    • B29C2945/76859—Injection
    • 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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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The invention provides an injection mold for producing a biconvex lens, which comprises an upper mold and a lower mold, wherein the lower end of the upper mold is provided with a turntable, the turntable is provided with a plurality of upper mold cores and vacuum suckers, the middle parts of the upper mold cores are provided with upper mold cavities, the upper end of the lower mold is provided with a first gear, the edge of the first gear is provided with a plurality of lower mold cores, the middle parts of the lower mold cores are provided with lower mold cavities, and the edge of each lower mold core is provided with a toothed belt meshed with the first gear. According to the injection mold, the upper mold core and the vacuum sucker are switched in position by the upper mold in a turntable mode, after the mold is opened, the vacuum sucker can be switched to the position above the lower mold cavity, products in the mold cavity are sucked out by the vacuum sucker, a conventional ejector pin type stripping device is replaced, and the problem that the surface of the cambered surface at the bottom of the biconvex lens is uneven due to the traditional ejector pin is solved.

Description

Injection mold for producing biconvex lens
Technical Field
The invention relates to the technical field of molds, in particular to an injection mold for producing a biconvex lens.
Background
A lenticular lens is a commonly used optical lens, and is generally formed by injection molding through an injection mold. For the lenticular lens, the curved convex surfaces at both ends of the lenticular lens are required to have complete surfaces, otherwise the optical effect is easily affected. In the conventional injection mold, a product is usually ejected by adopting an ejector pin, the ejector pin is arranged in an ejector pin hole of a mold cavity, and due to the fact that a small amount of gaps are formed at the edge of the ejector pin hole, the surface of the cambered surface at the bottom of the biconvex lens is prone to be uneven after injection molding. On the other hand, in the conventional injection mold, the water gap is cut by utilizing the dislocation of an injection product and the water gap in the ejection process, and the structure easily causes the unevenness of the water gap, thereby influencing the optical characteristics of the water gap. In addition, when a general injection mold performs injection molding, raw materials are directly introduced into a mold cavity through a runner, and the flow rate of the materials cannot be controlled only by controlling the injection pressure of an injection molding machine.
Disclosure of Invention
In order to solve the problems, the invention provides an injection mold for producing a biconvex lens, wherein an upper mold adopts a turntable mode to enable an upper mold core and a vacuum chuck to switch positions, after mold opening, the vacuum chuck can be switched to the upper part of a lower mold cavity, and a product in the mold cavity is sucked out by the vacuum chuck, so that a conventional ejector pin type stripping device is replaced, and the problem that the surface of the cambered surface at the bottom of the biconvex lens is uneven by a traditional ejector pin is solved.
In order to achieve the purpose, the invention is solved by the following technical scheme:
an injection mold for producing a biconvex lens comprises an upper mold and a lower mold, wherein the lower end of the upper mold is provided with a turntable, the turntable is provided with a plurality of upper mold cores and vacuum suckers which are distributed in a circumferential array, the upper mold cores and the vacuum suckers are arranged at intervals, an upper die cavity is formed in the middle of the upper die core, a first gear is arranged at the upper end of the lower die, a plurality of lower die cores corresponding to the upper die cavity are arranged on the edge of the first gear in a circumferential array, a lower die cavity is formed in the middle of the lower die core, a toothed belt meshed with the first gear is arranged on the edge of the lower die core, the upper die is provided with a feed inlet, the lower end of the feed inlet is connected with a longitudinal flow passage, the upper end of the lower die is provided with a transverse flow passage communicated with the longitudinal flow passage, the runner is arranged on the transverse flow passage, one end of the lower die core is provided with a water gap communicated with the runner, and the other end of the water gap is communicated with the lower die cavity.
Specifically, the lower end of the first gear is connected with a rotating shaft, a second gear is sleeved on the outer side of the lower end of the rotating shaft, a third gear meshed with the second gear is arranged on one side of the second gear, and a first motor used for driving the third gear is arranged in the lower die.
Specifically, first gear, pivot, second gear middle part are formed with a through-hole, be equipped with the actuating lever in the through-hole, be equipped with elevating gear in the lower mould, elevating gear's output is connected with the mounting panel, be fixed with the second motor on the mounting panel, the output of second motor with the actuating lever is connected, the carousel lower extreme be connected with actuating lever matched with rod cover.
Specifically, the edge of the lower die core is further provided with an automatic reset module, and the automatic reset module comprises a first stop block, a second stop block and a first spring, wherein the first stop block and the second stop block are located on two sides of the toothed belt, and the first spring is located on one side of the second stop block.
Specifically, the lateral flow way both ends still are equipped with pneumatic control flow velocity module, pneumatic control flow velocity module including the activity in can block up completely in the lateral flow way the third dog of subchannel, connect the extension rod of third dog one end, connect the fourth baffle of the extension rod other end, the extension rod outside cover is equipped with the second spring, the lateral flow way both ends all are equipped with first gas pocket, fourth baffle, second spring all are located first gas pocket inboard.
Specifically, the upper die is provided with a second air hole, and the second air hole is located at the upper end of the vacuum chuck.
Specifically, the edge of the first gear is provided with a plurality of grooves for the vacuum chuck to insert in a circumferential array.
Specifically, the upper mold cavity and the vacuum chuck are arranged at equal intervals.
The invention has the beneficial effects that:
1. according to the injection mold, the upper mold core and the vacuum sucker are switched in position by the upper mold in a turntable mode, after the mold is opened, the vacuum sucker can be switched to the position above the lower mold cavity, products in the mold cavity are sucked out by the vacuum sucker, a conventional ejector pin type stripping device is replaced, and the problem that the surface of the cambered surface at the bottom of the biconvex lens is uneven due to the traditional ejector pin is solved.
2. The lower die core is driven by adopting a first gear driving mode, so that the water gap and the lower die cavity are staggered, the water gap cutting action is realized, the water gap can be cut by monitoring through a temperature sensor, when the injection molding raw material is in a semi-curing state and is matched with cutting time, and the surface of the water gap cut by the mode is smooth and has no scratch.
3. Pneumatic flow rate control modules are added on two sides of the transverse flow channel, the first stop block is pushed through air pressure, the flow rate control function is achieved, when the first stop block is in a completely closed state, the mold cavities in the corresponding positions of the first stop block are not injected, and therefore mutual independence of the mold cavities is achieved.
Drawings
Fig. 1 is a top view of an injection mold for producing a lenticular lens of the present invention.
Fig. 2 is a cross-sectional view taken along the plane a-a in fig. 1.
Fig. 3 is a cross-sectional view taken along the plane B-B in fig. 1.
Fig. 4 is a schematic structural diagram of a pneumatic flow rate control module.
Fig. 5 is a schematic structural view of the upper die.
Fig. 6 is a schematic structural view of the lower die.
The reference signs are: the mold comprises an upper mold 1, a rotary table 11, an upper mold core 12, an upper mold cavity 121, a vacuum chuck 13, a feed inlet 14, a longitudinal flow passage 15, a second air hole 16, a lower mold 2, a first gear 21, a rotating shaft 211, a second gear 212, a third gear 213, a first motor 214, a driving rod 215, a lifting device 216, a mounting plate 217, a second motor 218, a lower mold core 22, a lower mold cavity 221, a water gap 222, a toothed belt 23, a transverse flow passage 24, a diversion passage 25, a rod sleeve 26, a first air hole 27, a groove 28, a first stopper 31, a second stopper 32, a first spring 33, a third stopper 51, an extension rod 52, a fourth stopper 53 and a second spring 54.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1-6:
an injection mold for producing a lenticular lens comprises an upper mold 1, the lower die comprises a lower die 2, a rotary table 11 is arranged at the lower end of an upper die 1, a plurality of upper die kernels 12 and vacuum suckers 13 which are distributed in a circumferential array are arranged on the rotary table 11, the upper die kernels 12 and the vacuum suckers 13 are arranged at intervals, an upper die cavity 121 is formed in the middle of the upper die kernels 12, a first gear 21 is arranged at the upper end of the lower die 2, a plurality of lower die kernels 22 corresponding to the upper die cavity 121 are arranged on the edge of the first gear 21 in a circumferential array, a lower die cavity 221 is formed in the middle of the lower die kernels 22, a toothed belt 23 meshed with the first gear 21 is arranged on the edge of the lower die kernels 22, a feed inlet 14 is arranged on the upper die 1, a longitudinal runner 15 is connected to the lower end of the feed inlet 14, a transverse runner 24 communicated with the longitudinal runner 15 is arranged at the upper end of the lower die 2, a diversion runner 25 is arranged on the transverse runner 24, a water gap 222 communicated with the diversion runner 25 is arranged at one end of the lower die kernels 22, and the other end of the water gap 222 is communicated with the lower die cavity 221.
Preferably, the lower end of the first gear 21 is connected to a rotating shaft 211, a second gear 212 is sleeved on the outer side of the lower end of the rotating shaft 211, a third gear 213 engaged with the second gear 212 is disposed on one side of the second gear 212, and a first motor 214 for driving the third gear 213 is disposed in the lower mold 2.
Preferably, a through hole is formed in the middle of the first gear 21, the rotating shaft 211 and the second gear 212, a driving rod 215 is arranged in the through hole, a lifting device 216 is arranged in the lower die 2, an output end of the lifting device 216 is connected with a mounting plate 217, a second motor 218 is fixed on the mounting plate 217, an output end of the second motor 218 is connected with the driving rod 215, and the lower end of the rotary table 11 is connected with a rod sleeve 26 matched with the driving rod 215.
Preferably, in order to realize the automatic resetting function of the lower mold core 22, an automatic resetting module is further disposed at the edge of the lower mold core 22, and the automatic resetting module includes a first stopper 31, a second stopper 32 and a first spring 33, wherein the first stopper 31 and the second stopper 32 are located at two sides of the toothed belt 23, and the first spring 33 is located at one side of the second stopper 32.
Preferably, in order to be able to accurately control the flow velocity of the injection molding raw material, the both ends of the cross flow channel 24 are also provided with a pneumatic control flow velocity module, the pneumatic control flow velocity module comprises a third block 51 which is movable in the cross flow channel 24 and can completely block the sub flow channel 25, an extension rod 52 connected at one end of the third block 51, a fourth block 53 connected at the other end of the extension rod 52, a second spring 54 is sleeved outside the extension rod 52, the both ends of the cross flow channel 24 are both provided with a first air hole 27, the fourth block 53, the second spring 54 is both located inside the first air hole 27, one end of the first air hole 27 is connected with an air outlet of a pneumatic device, the pressure to the fourth block 53 through a starting device, the extension length of the third block 51 is controlled, thereby controlling the flow velocity of the injection molding raw material flowing into the sub flow channel 25.
Preferably, the upper mold 1 is provided with a second air hole 16, and the second air hole 16 is located at the upper end of the vacuum chuck 13.
Preferably, the first gear 21 is provided with a plurality of grooves 28 in a circumferential array at its edge for insertion of the vacuum cups 13.
Preferably, the upper cavity 121 is spaced apart from the vacuum chuck 13.
The injection molding process is as follows:
the upper end of the feed inlet 14 is communicated with a discharge port of an injection molding machine, and raw materials extruded by the injection molding machine enter a mold cavity formed by matching the upper mold cavity 121 and the lower mold cavity 221 through the feed inlet 14, the longitudinal flow passage 15, the transverse flow passage 24, the sub-flow passage 25 and the water gap 222 until the mold cavity is filled with the raw materials;
after a period of cooling, the raw materials in the die cavity are in a semi-solidification state, at this time, the first motor 214 can be started, the first motor 214 drives the first gear 21 to rotate, the first gear 21 drives the lower die core 22 to rotate for a certain angle, so that the residual materials in the nozzle are staggered with the lower die cavity 121, the nozzle cutting action is realized, and the raw materials in the die cavity are in the semi-solidification state, the inner wall of the lower die core 22 deflects to enable the nozzle position to be ground flat and smooth, the cooling is carried out for a period of time until the residual materials are completely solidified, and the biconvex lens is prepared in the die cavity;
after the mold is opened, the upper mold 1 is lifted for a certain distance by using a device such as a manipulator, the lifting device 216 is started at the moment, the driving rod 215 is lifted to the position where the driving rod is inserted into the rod sleeve 26, the second motor 218 is started, the driving rod 215 drives the turntable 11 to rotate, the vacuum chuck 13 is switched to the position above the lower mold cavity 121, the upper mold 1 is lowered for a certain distance by using a device such as a manipulator, and the biconvex lens in the mold cavity is sucked out by using the vacuum chuck 13.
The above examples only show one embodiment of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (8)

1. The utility model provides an injection mold for producing biconvex lens, includes mould (1), lower mould (2), its characterized in that, it is equipped with carousel (11) to go up mould (1) lower extreme, be equipped with a plurality of last mould benevolence (12) and vacuum chuck (13) that are the circumference array and distribute on carousel (11), go up mould benevolence (12) with vacuum chuck (13) interval sets up, it is formed with last die cavity (121) to go up mould benevolence (12) middle part, lower mould (2) upper end is equipped with first gear (21), first gear (21) edge be the circumference array be equipped with a plurality of with lower mould benevolence (22) that last die cavity (121) position is corresponding, lower mould benevolence (22) middle part is formed with lower die cavity (221), lower mould benevolence (22) edge be equipped with first gear (21) engaged with cingulum (23), be equipped with feed inlet (14) on last mould (1), the lower end of the feeding port (14) is connected with a longitudinal flow channel (15), a transverse flow channel (24) communicated with the longitudinal flow channel (15) is arranged at the upper end of the lower die (2), a sub-flow channel (25) is arranged on the transverse flow channel (24), a water gap (222) communicated with the sub-flow channel (25) is arranged at one end of the lower die core (22), and the other end of the water gap (222) is communicated with the lower die cavity (221).
2. The injection mold for producing a biconvex lens according to claim 1, wherein the lower end of the first gear (21) is connected with a rotating shaft (211), a second gear (212) is sleeved outside the lower end of the rotating shaft (211), a third gear (213) meshed with the second gear (212) is arranged on one side of the second gear (212), and a first motor (214) for driving the third gear (213) is arranged in the lower mold (2).
3. The injection mold for producing the biconvex lens according to claim 2, wherein a through hole is formed in the middle of the first gear (21), the rotating shaft (211) and the second gear (212), a driving rod (215) is arranged in the through hole, a lifting device (216) is arranged in the lower mold (2), an output end of the lifting device (216) is connected with a mounting plate (217), a second motor (218) is fixed on the mounting plate (217), an output end of the second motor (218) is connected with the driving rod (215), and a rod sleeve (26) matched with the driving rod (215) is connected to the lower end of the rotary table (11).
4. An injection mold for producing a lenticular lens according to claim 1, wherein the lower mold core (22) is further provided with an automatic return module at its edge, the automatic return module comprising a first stopper (31) and a second stopper (32) at both sides of the toothed belt (23), and a first spring (33) at one side of the second stopper (32).
5. The injection mold for producing the biconvex lens of claim 1, wherein the two ends of the cross flow channel (24) are further provided with a pneumatic control flow rate module, the pneumatic control flow rate module comprises a third block (51) which is movable in the cross flow channel (24) and can completely block the branch flow channel (25), an extension rod (52) connected to one end of the third block (51), and a fourth baffle (53) connected to the other end of the extension rod (52), the outer side of the extension rod (52) is sleeved with a second spring (54), the two ends of the cross flow channel (24) are provided with first air holes (27), and the fourth baffle (53) and the second spring (54) are both located inside the first air holes (27).
6. An injection mold for producing a lenticular lens according to claim 1, characterized in that the upper mold (1) is provided with a second air hole (16), the second air hole (16) being located at the upper end of the vacuum chuck (13).
7. An injection mould for the production of biconvex lenses according to claim 1, wherein the edge of the first gearwheel (21) is provided with a circumferential array of recesses (28) into which the vacuum cups (13) are inserted.
8. An injection mold for producing a lenticular lens according to claim 1, characterized in that the upper mold cavity (121) is equally spaced from the vacuum cup (13).
CN202111437902.8A 2021-11-30 2021-11-30 Injection mold for producing biconvex lens Pending CN114043676A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111437902.8A CN114043676A (en) 2021-11-30 2021-11-30 Injection mold for producing biconvex lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111437902.8A CN114043676A (en) 2021-11-30 2021-11-30 Injection mold for producing biconvex lens

Publications (1)

Publication Number Publication Date
CN114043676A true CN114043676A (en) 2022-02-15

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ID=80211708

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111437902.8A Pending CN114043676A (en) 2021-11-30 2021-11-30 Injection mold for producing biconvex lens

Country Status (1)

Country Link
CN (1) CN114043676A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006024260A (en) * 2004-07-07 2006-01-26 Canon Inc Method of manufacturing disk substrate and apparatus for taking out disk substrate
CN105108977A (en) * 2015-09-29 2015-12-02 京东方光科技有限公司 Injection mold and light guide plate manufacturing device
JP2020049805A (en) * 2018-09-27 2020-04-02 日本電産株式会社 Mold for injection molding
CN211763174U (en) * 2019-12-26 2020-10-27 宁波贝隆精密模塑有限公司 Optical high-pixel mobile phone integrated lens barrel injection mold structure
CN214605617U (en) * 2020-12-07 2021-11-05 晋江超特精铸有限公司 Automatic sole forming die of drawing of patterns
CN114347385A (en) * 2021-12-22 2022-04-15 东莞晶彩光学有限公司 Injection mold for producing convex lens

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006024260A (en) * 2004-07-07 2006-01-26 Canon Inc Method of manufacturing disk substrate and apparatus for taking out disk substrate
CN105108977A (en) * 2015-09-29 2015-12-02 京东方光科技有限公司 Injection mold and light guide plate manufacturing device
JP2020049805A (en) * 2018-09-27 2020-04-02 日本電産株式会社 Mold for injection molding
CN211763174U (en) * 2019-12-26 2020-10-27 宁波贝隆精密模塑有限公司 Optical high-pixel mobile phone integrated lens barrel injection mold structure
CN214605617U (en) * 2020-12-07 2021-11-05 晋江超特精铸有限公司 Automatic sole forming die of drawing of patterns
CN114347385A (en) * 2021-12-22 2022-04-15 东莞晶彩光学有限公司 Injection mold for producing convex lens

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Application publication date: 20220215

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