CN214687728U

CN214687728U - Adjustable optical lens piece mould

Info

Publication number: CN214687728U
Application number: CN202120669217.7U
Authority: CN
Inventors: 林肖怡; 杨剑锋; 张龙; 陈健鹏
Original assignee: Guangdong Xuye Optoelectronics Technology Co Ltd
Current assignee: Guangdong Xuye Optoelectronics Technology Co Ltd
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2021-11-12
Anticipated expiration: 2031-04-01

Abstract

The utility model discloses an adjustable optical lens mould, which comprises a mould body, a mould cavity and a runner, wherein the mould cavity is formed inside the mould body, the runner is communicated with the mould cavity, and a combined adjusting mechanism for adjusting the forming diameter of the mould cavity and the forming thickness of the mould cavity so as to form optical lenses with different sizes is arranged inside the mould cavity; the utility model discloses the inside of die cavity is provided with combination adjustment mechanism, can through combination adjustment mechanism to the shaping diameter of die cavity and thereby die cavity shaping thickness carries out the die cavity shaping size that the synchronous adjustment formed not unidimensional and is used for producing the optical lens piece of not unidimensional demand, makes a mould have the variety, has avoided frequently changing the loaded down with trivial details of mould size.

Description

Adjustable optical lens piece mould

Technical Field

The utility model relates to an optical lens piece production technical field, concretely relates to adjustable optical lens piece mould.

Background

The existing mold for molding and manufacturing optical lens includes an upper fixing plate, a lower fixing plate, and a female mold plate and a male mold plate fixed on the upper fixing plate and the lower fixing plate, respectively, the upper fixing plate and the lower fixing plate can be driven by power to form a relatively attached mold assembly or a relatively separated mold assembly, at least one mold cavity is provided on the mold assembly surface of the corresponding female mold plate and the male mold plate according to the shape of the optical lens to be molded, usually tens of mold cavities are provided on a group of molds, a runner is provided on one end of the mold and is communicated with each mold cavity, the other end is connected with a shooting machine, so as to extrude the material of the molded lens into each mold cavity through the runner, and after the lens is molded, the molded lens finished product is ejected out from the mold cavities of the male mold plate and the female mold plate.

The mold cavity of the prior art is directly formed in the male mold plate and the female mold plate, and the shape and the size of the mold cavity of the mold are manufactured according to the size of a lens to be manufactured, so that the shape and the size of the mold cavity formed on the mold are fixed, when the lens with different sizes is manufactured by forming, the forming machine is required to stop producing, the female mold plate and the male mold plate are disassembled and taken out from the upper fixing plate and the lower fixing plate of the forming machine, the other group of male mold plate and female mold plate with the mold cavities with different sizes are arranged on the upper fixing plate and the lower fixing plate of the forming machine, and the lens can be manufactured at first, so that when products with different sizes are manufactured, the original mold is required to be disassembled and the other group of molds with different sizes are required to be assembled, thereby not only consuming labor and time and increasing the production cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adjustable optical lens piece mould to the optical lens piece of production size need not pull down the technical problem of former module reassembly consuming time and wasting power among the solution prior art.

In order to solve the above technical problem, the utility model particularly provides the following technical scheme:

an adjustable optical lens mould comprises a mould body, a mould cavity and a runner, wherein the mould cavity is formed in the mould body, the runner is communicated with the mould cavity, and a combined adjusting mechanism used for adjusting the forming diameter of the mould cavity and the forming thickness of the mould cavity so as to form optical lenses with different sizes is arranged in the mould cavity.

As an optimized scheme of the utility model, the die cavity is provided with a plurality ofly, the runner is simultaneously with a plurality ofly the die cavity is linked together.

As a preferred scheme of the utility model, the die cavity is connected by the shaping section that the multistage diameter differs and is constituteed, combination adjustment mechanism is used for the directional single one of selection to be used for forming optical lens piece the shaping section is and to this the shaping section carries out thickness control, runner selectivity with single the shaping section is linked together.

As a preferred scheme of the utility model, the die body comprises an upper die and a lower die which is embedded with the upper die;

the die cavity comprises an upper die cavity and a lower die cavity with different diameters, the upper die cavity and the lower die cavity are arranged on the upper die and the lower die in a one-to-one mode, and when the upper die and the lower die are assembled, the upper die cavity and the lower die cavity jointly form two molding sections with different diameters;

the combination adjustment mechanism is including being used for adjusting go up the first adjusting part of die cavity thickness and be used for adjusting the second adjusting part of die cavity thickness down, first adjusting part with the work of second adjusting part is used for adjusting simultaneously the shaping diameter and the shaping thickness of die cavity.

As a preferred embodiment of the present invention, the first adjusting assembly includes a first shaping plate disposed inside the upper mold cavity and closely fitted with an inner wall of the upper mold cavity, and a first linkage rod connected to the first shaping plate for pushing the first shaping plate to move, the first linkage rod extends through the upper mold to the outside and is connected to a first pushing structure for pushing the first linkage rod and controlling a moving distance of the first shaping plate;

the second adjusting component comprises a second molded plate which is arranged in the lower mold cavity and is tightly matched with the inner wall of the lower mold cavity and a second linkage rod which is connected with the second molded plate and used for pushing the second molded plate to move, and the second linkage rod penetrates through the lower mold and extends to the outside and is connected with a second pushing structure which is used for pushing the second linkage rod and controlling the moving distance of the second molded plate.

As a preferred scheme of the utility model, go up the mould with the lower mould is all installed including being the annular outer ring seat of circle and rotation the inside inner ring seat of outer ring seat, two upper and lower inner ring seat gomphosis form together pivoted and add the seat, and is a plurality of the die cavity is the ring form and distributes in the outer ring seat, the runner includes the edge the mainstream passageway that the axis direction of seat was seted up is added to the inner ring seat, mainstream passageway is connected with in order and is used for switching on go up the first subchannel of die cavity and be used for switching on the second subchannel of die cavity down, first subchannel with the projection of second subchannel in vertical direction is incomplete to be overlapped so that first subchannel with the second subchannel is two from top to bottom the together of inner ring seat rotates down go up the die cavity with die cavity down only has one to switch on simultaneously.

As a preferred scheme of the utility model first gangbar with the tip of second gangbar all is connected with the screw thread post, the screw thread post runs through go up the mould with the lower mould extends to the outside, first promotion subassembly with the second promotes the subassembly and all installs including rotating the rotating ring of screw thread post periphery the rotating ring is kept away from interior counter bore has been seted up to the one side of mould body, the tip of screw thread post be provided with interior counter bore cross-section is unanimous and thickness is less than the positioning gear of interior counter bore degree of depth is right through external pressure device rotating ring applied pressure so that first shaping board with the shaping size adjustment of assigned position in order to accomplish the die cavity is reachd to the second shaping board.

As an optimized scheme of the utility model go up the mould with the lower mould is located the notch has been seted up to the position of revolving ring lower surface, be provided with the spring in the notch, the one end of spring with notch bottom fixed connection, the other end of spring extends to the notch outside and when revolving ring removes with revolving ring contacts.

Compared with the prior art, the utility model following beneficial effect has:

the utility model discloses the inside of die cavity is provided with combination adjustment mechanism, can through combination adjustment mechanism to the shaping diameter of die cavity and thereby die cavity shaping thickness carries out the die cavity shaping size that the synchronous adjustment formed not unidimensional and is used for producing the optical lens piece of not unidimensional demand, makes a mould have the variety, has avoided frequently changing the loaded down with trivial details of mould size.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

Fig. 1 is the embodiment of the utility model provides an adjustable optical lens piece mould of pile up neatly structural schematic diagram is provided.

The reference numerals in the drawings denote the following, respectively:

10-a mould body; 20-a mold cavity; 30-a flow channel; 40-a combined adjustment mechanism;

11-upper mould; 12-lower die;

21-upper mold cavity; 22-lower mold cavity; 23-a first contoured plate; 24-a first linkage rod; 25-a second contoured plate; 26-a second linkage rod; 27-a threaded post; 28-rotating ring;

31-a primary flow channel; 32-a first diversion channel; 33-a second channel;

121-outer ring seat; 122-inner ring seat; 123-a notch; 124-a spring;

271-positioning gear;

281-inner counter bore.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, the present invention provides an adjustable optical lens mold, which is characterized in that, the mold comprises a mold body 10 and a runner 30 formed inside the mold body 10 and communicated with the mold cavity 20, the inside of the mold cavity 20 is provided with a combination adjusting mechanism 40 for adjusting the molding diameter of the mold cavity 20 and the molding thickness of the mold cavity 20 to form optical lenses with different sizes.

Based on above-mentioned adjustable optical lens mould's current structure, the utility model discloses the characterized in that of embodiment, accessible combination adjustment mechanism 40 can be to the shaping diameter of die cavity 20 and thereby die cavity 20 shaping thickness carries out synchronous adjustment and forms the not optical lens that the not unidimensional die cavity 20 shaping size is used for producing different size demands, makes a mould have the variety, has avoided frequently changing the loaded down with trivial details of mould size.

Specifically, one or more mold cavities 20 may be provided, and when a plurality of mold cavities are provided, the runner 30 communicates with a plurality of mold cavities 20 at the same time.

The specific adjustment principle of the combined adjustment mechanism 40 is as follows: the mold cavity 20 is formed by connecting a plurality of molding segments with different diameters, the combination adjusting mechanism 40 is used for directionally selecting a single molding segment for forming the optical lens and adjusting the thickness of the molding segment, and the runner 30 is selectively communicated with the single molding segment.

That is, a certain section of the combined adjusting mechanism 40 is determined to be a molding section with a diameter consistent with the required size, and then the height of the section is adjusted, so as to form the optical lens with a preset diameter and a preset thickness.

The die body 10 comprises an upper die 11 and a lower die 12 embedded with the upper die 11;

the mold cavity 20 comprises an upper mold cavity 21 and a lower mold cavity 22 with different diameters, the upper mold cavity 21 and the lower mold cavity 22 are arranged on the upper mold 11 and the lower mold 12 in a one-to-one manner, and when the upper mold 11 and the lower mold 12 are closed, the upper mold cavity 21 and the lower mold cavity 22 form two molding sections with different diameters together;

the combined adjusting mechanism 40 comprises a first adjusting component for adjusting the thickness of the upper mold cavity 21 and a second adjusting component for adjusting the thickness of the lower mold cavity 22, and the first adjusting component and the second adjusting component work simultaneously to adjust the molding diameter and the molding thickness of the mold cavity 20.

The first adjusting component comprises a first forming plate 23 which is arranged inside the upper die cavity 21 and is tightly matched with the inner wall of the upper die cavity 21, and a first linkage rod 24 which is connected with the first forming plate 23 and used for pushing the first forming plate 23 to move, wherein the first linkage rod 24 penetrates through the upper die 11, extends to the outside and is connected with a first pushing structure which is used for pushing the first linkage rod 24 and controlling the moving distance of the first forming plate 23;

the second adjusting component comprises a second molded plate 25 which is arranged inside the lower mold cavity 22 and is tightly matched with the inner wall of the lower mold cavity 22, and a second linkage rod 26 which is connected with the second molded plate 25 and used for pushing the second molded plate 25 to move, wherein the second linkage rod 26 penetrates through the lower mold 12 to extend to the outside and is connected with a second pushing structure which is used for pushing the second linkage rod 26 and controlling the moving distance of the second molded plate 25.

The upper mold 11 and the lower mold 12 both include a circular outer ring seat 121 and an inner ring seat 122 rotatably mounted inside the outer ring seat 121, the upper and lower inner ring seats are embedded to form a superimposed seat rotating together, the plurality of mold cavities 20 are distributed in the outer ring seat 121 in a circular shape, the flow passage 30 includes a main flow passage 31 formed along a central axis of the inner ring seat 122, the primary flow channel 31 is connected with a first diversion channel 32 for conducting the upper die cavity 21 and a second diversion channel 33 for conducting the lower die cavity 22 in sequence, the projections of the first diversion channel 32 and the second diversion channel 33 in the vertical direction are not completely overlapped so that the first diversion channel 32 and the second diversion channel 33 are communicated with only one of the upper mold cavity 21 and the lower mold cavity 22 under the rotation of the upper inner ring seat 122 and the lower inner ring seat 122.

Here, the leftover material formed in the runner 30 may be removed by removing the inner ring seat 122 by a mold, or may be removed by an ejector pin or the like.

First gangbar 24 with the tip of second gangbar 26 all is connected with screw thread post 27, screw thread post 27 runs through go up mould 11 with lower mould 12 extends to the outside, first promotion subassembly with the second promotes the subassembly all including rotating the installation in the whirl ring 28 of screw thread post 27 periphery whirl ring 28 is kept away from interior counter bore 281 has been seted up to the one side of mould body, screw thread post 27 the tip be provided with interior counter bore 281 cross-section is unanimous and thickness is less than the positioning gear 271 of interior counter bore 281 degree of depth, it is right through external pressure device the whirl ring 28 applys pressure so that first shaping board 23 with the shaping 25 board of second shaping arrives the shaping size adjustment of assigned position in order to accomplish the die cavity.

A notch 123 is formed in the upper die 11 and the lower die 12 at the lower surface of the rotating ring 28, a spring 124 is disposed in the notch 123, one end of the spring 124 is fixedly connected to the bottom of the notch 123, and the other end of the spring 124 extends to the outside of the notch 123 and contacts the rotating ring 28 when the rotating ring 28 moves.

The specific mode of applying the adjustable optical lens mould to mould production comprises the following steps:

step 100, pushing the first molding plate until the first molding plate reaches the boundary of the upper mold cavity and the lower mold cavity so that the upper mold cavity is completely closed, moving the second molding plate to obtain the set depth of the lower mold cavity, closing the mold, injecting an optical lens raw material into the lower mold cavity through a flow channel, and opening the mold after molding to obtain an optical lens with the diameter consistent with the diameter of the lower mold cavity and the preset thickness;

and 200, pushing the second molding plate until the second molding plate reaches the boundary of the upper mold cavity and the lower mold cavity so that the lower mold cavity is completely closed, moving the first molding plate to obtain the set depth of the lower mold cavity, closing the mold, injecting an optical lens raw material into the upper mold cavity through a flow channel, and opening the mold after molding to obtain an optical lens with the preset thickness consistent with the diameter of the upper mold cavity.

Further, the method of pushing the first and second shaping plates comprises:

step 301, rotating the rotating ring to enable the distance between the rotating ring and the die body to be equal to the preset moving distance of the first molding plate or the second molding plate;

step 302, applying pressure to the rotation plate by using an external pressure mechanism to enable the rotation ring to be in close contact with the upper die or the rotation plate to be in close contact with the lower die, wherein the spring completely enters the notch, and the notch is designed to protect the spring from being excessively extruded

Step 303, after the optical lens is molded, releasing the pressure on the rotating ring to restore the spring to its initial state, and moving the first molding plate and the second molding plate in a direction away from the molded optical lens under the reaction force of the spring to realize rapid separation from the molded optical lens, thereby facilitating the taking out of the subsequent lens.

The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.

Claims

1. An adjustable optical lens mold is characterized by comprising a mold body (10), a mold cavity (20) formed inside the mold body (10) and a flow channel (30) communicated with the mold cavity (20), wherein a combined adjusting mechanism (40) used for adjusting the molding diameter of the mold cavity (20) and the molding thickness of the mold cavity (20) to form optical lenses with different sizes is arranged inside the mold cavity (20).

2. An adjustable optical lens mould according to claim 1, characterized in that a plurality of said mould cavities (20) are provided, said runner (30) being in simultaneous communication with a plurality of said mould cavities (20).

3. An adjustable optical lens mold according to claim 2, wherein the mold cavity (20) is formed by connecting a plurality of molding sections of different diameters, the combination adjusting mechanism (40) is used for directionally selecting and thickness adjusting a single molding section for forming the optical lens, and the runner (30) is selectively communicated with the single molding section.

4. An adjustable optical lens mould according to claim 3, characterized in that the mould body (10) comprises an upper mould (11) and a lower mould (12) which is fitted to the upper mould (11);

the die cavity (20) comprises an upper die cavity (21) and a lower die cavity (22) with different diameters, the upper die cavity (21) and the lower die cavity (22) are arranged on the upper die (11) and the lower die (12) in a one-to-one mode, and when the upper die (11) and the lower die (12) are closed, the upper die cavity (21) and the lower die cavity (22) form two molding sections with different diameters together;

the combined adjusting mechanism (40) comprises a first adjusting component for adjusting the thickness of the upper mold cavity (21) and a second adjusting component for adjusting the thickness of the lower mold cavity (22), and the first adjusting component and the second adjusting component work simultaneously to adjust the forming diameter and the forming thickness of the mold cavity (20).

5. An adjustable optical lens mould according to claim 4, characterized in that said first adjusting means comprise a first contoured plate (23) arranged inside said upper mould cavity (21) and closely fitting the inner wall of said upper mould cavity (21), and a first linkage rod (24) connected to said first contoured plate (23) for pushing said first contoured plate (23) to move, said first linkage rod (24) extending through said upper mould (11) to the outside and being connected to a first pushing structure for pushing said first linkage rod (24) and controlling the movement distance of said first contoured plate (23);

the second adjusting component comprises a second molded plate (25) which is arranged in the lower mold cavity (22) and is tightly matched with the inner wall of the lower mold cavity (22), and a second linkage rod (26) which is connected with the second molded plate (25) and used for pushing the second molded plate (25) to move, wherein the second linkage rod (26) penetrates through the lower mold (12) to extend to the outside and is connected with a second pushing structure which is used for pushing the second linkage rod (26) and controlling the moving distance of the second molded plate (25).

6. The mold for an adjustable optical lens according to claim 5, wherein the upper mold (11) and the lower mold (12) each comprise an annular outer ring seat (121) and an inner ring seat (122) rotatably mounted inside the outer ring seat (121), the upper and lower inner ring seats are fitted to form a superimposed seat rotating together, the plurality of mold cavities (20) are annularly distributed in the outer ring seat (121), the runner (30) comprises a main runner (31) opened along a central axis of the superimposed seat of the inner ring seat (122), the main runner (31) is sequentially connected with a first branch runner (32) for conducting the upper mold cavity (21) and a second branch runner (33) for conducting the lower mold cavity (22), and projections of the first branch runner (32) and the second branch runner (33) in a vertical direction are not completely overlapped so that the first branch runner (32) and the second branch runner (33) are not completely overlapped 33) The upper die cavity (21) and the lower die cavity (22) are communicated by only one rotating inner ring seat (122) and only one rotating inner ring seat is communicated with the lower die cavity.

7. An adjustable optical lens mould according to claim 6, characterized in that a threaded post (27) is connected to each end of the first linkage rod (24) and the second linkage rod (26), the threaded column (27) penetrates through the upper die (11) and the lower die (12) and extends to the outside, the first pushing assembly and the second pushing assembly respectively comprise a rotating ring (28) rotatably arranged on the periphery of the threaded column (27), an inner counter bore (281) is arranged on one surface of the rotating ring (28) far away from the mould body, the end part of the threaded column (27) is provided with a positioning gear (271) which has the same section with the inner counter bore (281) and the thickness of which is less than the depth of the inner counter bore (281), applying pressure to the rotating ring (28) by external pressure means to bring the first and second mould plates (23, 25) to a designated position to complete the mould cavity moulding sizing.

8. The adjustable optical lens mold according to claim 7, wherein a notch (123) is formed at a position of the upper mold (11) and the lower mold (12) on the lower surface of the rotating ring (28), a spring (124) is disposed in the notch (123), one end of the spring (124) is fixedly connected with the bottom of the notch (123), and the other end of the spring (124) extends to the outside of the notch (123) and contacts with the rotating ring (28) when the rotating ring (28) moves.