CN211762961U

CN211762961U - Lens mould

Info

Publication number: CN211762961U
Application number: CN202020116500.2U
Authority: CN
Inventors: 高双红; 王晓东; 汪孟
Original assignee: Shenzhen Non Imaging Optics Co ltd
Current assignee: Shenzhen Non Imaging Optics Co ltd
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2020-10-27
Anticipated expiration: 2030-01-17

Abstract

The utility model belongs to the technical field of lens production, in particular to a lens mould, which comprises a lower module and an upper module, a heat radiation fan is arranged at the central position of the bottom of the lower module, a die cavity is arranged at the central position of the top of the lower module, the lower module body is provided with an umbrella-shaped heat dissipation cavity with an upward opening, the bottom of the inner cavity of the umbrella-shaped heat dissipation cavity is vertically provided with a first heat dissipation hole, the top of the inner cavity of the umbrella-shaped heat dissipation cavity is provided with umbrella-shaped heat dissipation fins, the bottom of the umbrella-shaped heat dissipation fins is uniformly provided with arc-shaped heat dissipation fins, the top of the lower module is evenly provided with second heat dissipation holes which are communicated with the umbrella-shaped heat dissipation cavity, go up the module bottom be provided with die cavity assorted lug, go up the module body and evenly set up the third louvre the same with second louvre quantity, this novel scheme shortens mould cooling time, guarantees product quality when effectively improving production efficiency.

Description

Lens mould

Technical Field

The utility model relates to a lens production technical field specifically is a lens mould.

Background

The lens is an optical element with a part of spherical surface on the surface made of transparent materials, the lens can be taken out only after being placed statically and cooled in the production process of the existing lens mold, the production efficiency is low, meanwhile, in the cooling process, due to the complex environment of a workshop, the situation that products are unqualified due to uneven heat dissipation of the mold is easy to happen, the yield of the lens is reduced, and the production is influenced, so that the lens mold is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lens mould to solve the current lens mould that proposes in the above-mentioned background art in process of production, often need with its cooling back that stews, just can take out, production efficiency is lower, simultaneously in cooling process, because the complex environment in workshop, the easy emergence leads to the unqualified condition of product because of the mould heat dissipation is inhomogeneous, thereby reduces the yields of lens, influences the problem of production.

In order to achieve the above object, the utility model provides a following technical scheme: a lens mold comprises a lower mold block and an upper mold block, wherein supporting legs are vertically arranged at four corners of the bottom of the lower mold block, a heat radiation fan is arranged at the central position of the bottom of the lower mold block, a mold cavity is arranged at the central position of the top of the lower mold block, an umbrella-shaped heat radiation cavity with an upward opening is arranged on a lower mold block body, the top of the umbrella-shaped heat radiation cavity does not penetrate through the top of the lower mold block, a first heat radiation hole is vertically arranged at the bottom of the inner cavity of the umbrella-shaped heat radiation cavity, the first heat radiation hole corresponds to an air inlet of the heat radiation fan, an umbrella-shaped heat radiation fin is arranged at the top of the inner cavity of the umbrella-shaped heat radiation cavity, arc-shaped heat radiation fins are uniformly arranged at the bottom of the umbrella-shaped heat radiation cavity, the outer wall of each arc-shaped heat radiation fin, the positioning holes matched with the positioning columns are formed in four corners of the bottom of the upper module, the protruding blocks matched with the mold cavity are arranged at the bottom of the upper module, and third heat dissipation holes the number of which is the same as that of the second heat dissipation holes are uniformly formed in the upper module body.

Preferably, the second heat dissipation holes are uniformly and annularly distributed on the top of the lower module by taking the center point of the top surface of the lower module as a circle center.

Preferably, the umbrella-shaped radiating fins and the arc-shaped radiating fins are both copper radiating fins.

Preferably, the bottom of the supporting foot is provided with a rubber protective layer.

Preferably, the diameter of the second heat dissipation hole is two fifths of the diameter of the first heat dissipation hole.

Preferably, the top of the inner cavity of the third heat dissipation hole is provided with a dust screen.

Compared with the prior art, the beneficial effects of the utility model are that:

1) according to the novel scheme, the cooling fan arranged at the bottom of the lower module is matched with the first cooling hole, the umbrella-shaped cooling cavity, the second cooling hole and the third cooling hole, so that the mold can be assisted to be cooled, the cooling time is shortened, and the production efficiency is improved;

2) through the cooperation of umbelliform fin and arc fin, can guarantee that the product heat dissipation in the die cavity is even, avoid appearing leading to the unqualified condition of product to take place because of the heat dissipation is inhomogeneous, improve the yields of product greatly.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the lower module structure of the present invention;

FIG. 3 is a schematic view of the umbrella-shaped heat sink of the present invention;

fig. 4 is a top view of the lower module of the present invention;

fig. 5 is a schematic diagram of the upper module structure of the present invention.

In the figure: 1. a lower module; 2. an upper module; 3. supporting legs; 4. a heat radiation fan; 5. a mold cavity; 6. an umbrella-shaped heat dissipation cavity; 7. a first heat dissipation hole; 8. an umbrella-shaped heat radiating fin; 9. an arc-shaped heat radiating fin; 10. a second heat dissipation hole; 11. a third heat dissipation hole; 12. positioning holes; 13. a bump; 14. a positioning column; 15. and a rubber protective layer.

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.

Referring to fig. 1-5, the present invention provides a technical solution: a lens mould comprises a lower module 1 and an upper module 2, wherein four corners at the bottom of the lower module 1 are vertically provided with supporting legs 3, the central position at the bottom of the lower module 1 is provided with a cooling fan 4, the central position at the top of the lower module 1 is provided with a mould cavity 5, the body of the lower module 1 is provided with an umbrella-shaped cooling cavity 6 with an upward opening, the top of the umbrella-shaped cooling cavity 6 does not penetrate through the top of the lower module 1, the bottom of the inner cavity of the umbrella-shaped cooling cavity 6 is vertically provided with a first cooling hole 7, the first cooling hole 7 corresponds to an air inlet of the cooling fan 4, the top of the inner cavity of the umbrella-shaped cooling cavity 6 is provided with an umbrella-shaped cooling fin 8, the bottom of the umbrella-shaped cooling fin 8 is uniformly provided with an arc-shaped cooling fin 9, the outer wall of the arc-shaped cooling fin 9 is connected with the bottom of the inner cavity of, the four corners of the bottom of the upper module 2 are provided with positioning holes 12 matched with the positioning columns 14, the bottom of the upper module 2 is provided with a lug 13 matched with the die cavity 5, and the body of the upper module 2 is uniformly provided with third heat dissipation holes 11 with the same number as the second heat dissipation holes 10.

Wherein, module 1 top surface central point below the second louvre 10 evenly is cyclic annular distribution at the top of module 1 down as the centre of a circle, and umbelliform fin 8 and arc fin 9 are the copper fin, optimize heat conduction efficiency, and 3 bottoms of supporting legs are provided with rubber protective layer 15, effectively guarantee supporting legs 3, and the diameter of second louvre 10 is two fifths of first louvre 7 diameter, and 11 inner chamber tops of third louvre are provided with the dust screen, avoid the dust to block up third louvre 11.

The working principle is as follows: when the novel scheme is implemented, a material is placed into a die cavity 5, a positioning hole 12 arranged at the bottom of an upper die block 2 is matched and arranged through a positioning column 14 arranged at the top of a lower die block 1, the upper die block 2 and the lower die block 1 are assembled, the material placed in the die cavity 5 is pressed through a lug 13 arranged at the bottom of the upper die block 2, at the moment, a radiating fan 4 arranged at the bottom of the lower die block 1 is started, and is matched with a first radiating hole 7, a second radiating hole 10 and a third radiating hole 11 to suck external air into an umbrella-shaped radiating cavity 6, and the air is exhausted through an air outlet of the radiating fan 4 after passing through the first radiating hole 7, so that the air flow in the umbrella-shaped radiating cavity 6 is accelerated to radiate the heat, and in the radiating process, the heat generated when the material is cooled is uniformly transferred into the umbrella-shaped radiating cavity 6 through an umbrella-shaped radiating fin 8 arranged at the top of the inner cavity of the umbrella-shaped, and the heat is discharged, so that the heat dissipation is uniform.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. A lens mold comprising a lower mold block (1) and an upper mold block (2), characterized in that: the bottom four corners of the lower module (1) are vertically provided with supporting legs (3), the bottom central position of the lower module (1) is provided with a radiating fan (4), the top central position of the lower module (1) is provided with a die cavity (5), the body of the lower module (1) is provided with an umbrella-shaped radiating cavity (6) with an upward opening, the top of the umbrella-shaped radiating cavity (6) does not penetrate through the top of the lower module (1), the bottom of the inner cavity of the umbrella-shaped radiating cavity (6) is vertically provided with a first radiating hole (7), the first radiating hole (7) corresponds to an air inlet of the radiating fan (4), the top of the inner cavity of the umbrella-shaped radiating cavity (6) is provided with an umbrella-shaped radiating fin (8), the bottom of the umbrella-shaped radiating fin (8) is uniformly provided with arc-shaped radiating fins (9), the outer wall of the arc-shaped radiating fin, second louvre (10) have evenly been seted up at lower module (1) top, second louvre (10) and umbelliform heat dissipation chamber (6) intercommunication, module (1) top four corners all is provided with reference column (14) down, go up module (2) bottom four corners and all seted up and reference column (14) assorted locating hole (12), go up module (2) bottom be provided with die cavity (5) assorted lug (13), third louvre (11) the same with second louvre (10) quantity have evenly been seted up to last module (2) body.

2. A lens mold as defined in claim 1, wherein: the second heat dissipation holes (10) are uniformly distributed on the top of the lower module (1) in an annular mode by taking the center point of the top surface of the lower module (1) as a circle center.

3. A lens mold as defined in claim 1, wherein: the umbrella-shaped radiating fins (8) and the arc-shaped radiating fins (9) are both copper radiating fins.

4. A lens mold as defined in claim 1, wherein: and a rubber protective layer (15) is arranged at the bottom of the supporting leg (3).

5. A lens mold as defined in claim 1, wherein: the diameter of the second heat dissipation hole (10) is two fifths of the diameter of the first heat dissipation hole (7).

6. A lens mold as defined in claim 1, wherein: and a dust screen is arranged at the top of the inner cavity of the third heat dissipation hole (11).