CN213564131U

CN213564131U - Die set

Info

Publication number: CN213564131U
Application number: CN202022489319.9U
Authority: CN
Inventors: 邹支农
Original assignee: Suzhou Tfc Optical Communication Co ltd
Current assignee: Suzhou Tfc Optical Communication Co ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-06-29
Anticipated expiration: 2030-11-02

Abstract

The utility model discloses a mold, include: the female die comprises a first base body and a plurality of first die core components, wherein a main runner and a plurality of first die cavities are arranged on the first base body, the main runner penetrates from the top surface to the bottom surface of the first base body, the first die core components are inserted into the first die cavities in a sliding mode, a plurality of sub-runners for communicating the main runner with the first die cavities are concavely arranged on the bottom surface of the first base body, and the first die core components are provided with first die cavities and gates for communicating the first die cavities with the sub-runners; the male die is used for being matched and assembled with the female die and is provided with a second cavity; wherein the first cavity and the second cavity are configured to be engageable with each other to form a product cavity. The mould provided by the utility model not only can reduce the processing difficulty of the mould core component, but also can prevent the product mould cavities from being mutually independent and form interference by respectively and independently arranging the product mould cavities on the mould core components; meanwhile, the size of each product cavity can be independently adjusted.

Description

Die set

Technical Field

The utility model belongs to the technical field of the mould, concretely relates to injection moulding's mould that can be used to optical product.

Background

The existing mold for injection molding of optical lenses usually has a plurality of product cavities on the same mold core assembly, and this design method increases the processing difficulty of the mold core assembly due to the accumulated tolerance, and when the size of one of the product cavities is deviated, the whole mold core assembly needs to be replaced. Meanwhile, when the size of the mold is adjusted, the mold can only be synchronously adjusted by a plurality of product cavities and cannot be independently adjusted and controlled.

Therefore, in view of the above technical problems, it is necessary to provide a new mold.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a many caves of a mould and convenient processing's mould to solve the problem among the prior art.

In order to achieve the above object, the present invention provides the following technical solutions:

a mold for injection molding of an optical product, comprising:

the female die comprises a first base body and a plurality of first die core components, wherein a main runner and a plurality of first die cavities are arranged on the first base body, the main runner penetrates from the top surface to the bottom surface of the first base body, the first die core components are inserted into the first die cavities in a sliding mode, a plurality of sub-runners for communicating the main runner with the first die cavities are concavely arranged on the bottom surface of the first base body, and a first die cavity and a pouring gate for communicating the first die cavities with the sub-runners are arranged on the first die core components;

the male die comprises a second base body and a plurality of second die core components, wherein the second base body is provided with a plurality of second die cavities which are arranged corresponding to the first die cavities and run through from the top surface to the bottom surface of the second base body, the second die core components can be slidably inserted into the second die cavities, and the second die core components are provided with second die cavities;

wherein the first and second cavities are configured to be engageable with each other to form a product cavity.

Furthermore, the first die core assembly comprises a first die core, a first insert and a second insert which are used for defining the first cavity, the first insert and the second insert are butted to define a first cavity penetrating through the top surface and the bottom surface of the first cavity together, and the first die core is inserted into the first cavity in a sliding mode.

Furthermore, a step part is formed at the top of the first cavity, a boss part is formed at the top of the first die core, and the step part and the boss part are mutually matched to position the first die core.

Further, the gate recess is provided on a bottom surface of the first insert.

Further, the first and second inserts are configured to mate to match the size and shape of the first mold cavity, and the mated first and second inserts are removable.

Furthermore, a first spherical groove is concavely arranged on the bottom surface of the first die core.

Furthermore, the second mold core assembly comprises a second mold core, a third insert and a fourth insert for defining the second cavity, the third insert and the fourth insert are butted to define a second cavity penetrating through the top surface and the bottom surface of the second cavity together, and the second mold core is slidably inserted into the second cavity.

Further, the third insert and the fourth insert are configured to match the shape and size of the second mold cavity after being butted, and the third insert and the fourth insert can be disassembled after being butted.

Furthermore, a second spherical groove is concavely arranged on the top surface of the second die core.

Further, a plurality of the first mold cavities are uniformly arranged on the same circumference, and the main flow passage is positioned in the center of the circumference.

The utility model discloses beneficial effect:

compared with the prior art, the mold provided by the utility model has the advantages that the plurality of product cavities are respectively and independently arranged on the plurality of mold core assemblies, so that the processing difficulty of the mold core assemblies can be reduced, and the product cavities are independent from each other and cannot form interference; meanwhile, the size of each product cavity can be independently adjusted.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a perspective view of a mold according to a preferred embodiment of the present application after assembly;

FIG. 2 is a cross-sectional view of the mold assembly of the embodiment of FIG. 1;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

FIG. 4 is a bottom view of the female mold of the embodiment of FIG. 1;

FIG. 5 is an enlarged schematic view at B in FIG. 4;

FIG. 6 is a top view of the male mold of the embodiment of FIG. 1;

fig. 7 is an enlarged schematic view at C in fig. 6.

Description of reference numerals: 1-a female die; 11-a first substrate; 12-a first core assembly; 13-a first mould cavity; 14-a main flow channel; 15-a shunt; 121-a first mold core; 121 a-a first spherical groove; 121 b-boss portion; 122-a first insert; 123-a second insert; 124-a first cavity; 125-step portion; 126-a gate; 2-male die; 21-a second substrate; 22-a second core assembly; 23-a second mould cavity; 221-a second mold core; 221 a-a second spherical groove; 222-a third insert; 223-a fourth insert; 224-a second cavity; and 3, forming a product cavity.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. However, the present invention is not limited to the embodiments, and the structural, method, or functional changes made by those skilled in the art according to the embodiments are all included in the scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In the illustrated embodiment, directional references, i.e., up, down, left, right, front, rear, etc., are relative to each other and are used to explain the relative structure and movement of the various components in the present application. These representations are appropriate when the components are in the positions shown in the figures. However, if the description of the location of an element changes, it is believed that these representations will change accordingly.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, a mold according to a preferred embodiment of the present invention can be used for injection molding of optical products, and includes a female mold 1 and a male mold 2.

Referring to fig. 3, 4 and 5, the master mold 1 includes a first base 11 and a plurality of first mold core assemblies 12. The first base 11 is provided with a main runner 14 penetrating from the top surface to the bottom surface thereof, and a plurality of first mold cavities 13 penetrating from the top surface to the bottom surface thereof, wherein the plurality of first mold core components 12 are respectively inserted into the corresponding first mold cavities 13 in a sliding manner. Preferably, the first mold cavity 13 is configured as an elongated column, and the first mold core component 12 is configured to be exactly and completely accommodated in the first mold cavity 13. The bottom surface of the first substrate 11 is concavely provided with a plurality of sub-runners 15 for communicating the main runner 14 with the first mold cavity 13, and the first mold core component 12 is provided with a first mold cavity 124 and a gate 126 for communicating the first mold cavity 124 with the sub-runners 15. Preferably, the plurality of first mold cavities 13 on the first substrate 11 are uniformly arranged on the same circumference, and the primary runner 14 is located at the center of the circumference, so that the distance from the outlet of the primary runner 14 to the gate 126 of each first mold core component 12 is the same.

Specifically, the first mold core assembly 12 includes a first mold core 121, a first insert 122 and a second insert 123 for defining a first cavity 124. The first insert 122 and the second insert 123 are butted to define a first cavity penetrating the top surfaces of the first and second inserts, and the first mold core 121 is slidably inserted into the first cavity to define a first cavity 124 at the bottom of the first cavity. A step portion 125 is formed at the top of the first cavity, a boss portion 121b matching with the step portion 125 is formed at the top of the first die core 121, and the step portion 125 and the boss portion 121b are mutually matched and butted for mounting and positioning the first die core 121. Preferably, the gate 126 is recessed on the bottom surface of the first insert 122 and is used to communicate the runner 15 with the first cavity 124.

Specifically, the first and

second insert pieces

122 and 123 are configured to mate and match the size and shape of the first mold cavity 13, and the mated first and

second insert pieces

122 and 123 are removable for separation after being removed from the first mold cavity 13. The bottom surface of the first mold core 121 is concavely provided with a first spherical groove 121a, and the first spherical groove 121a can be used for forming an effective optical surface of an injection molding product.

Referring to fig. 3, 6 and 7, the male mold 2 includes a second base 21 and a plurality of second core assemblies 22. Wherein, the second base 21 is provided with a plurality of second mold cavities 23 which run through from the top surface to the bottom surface and are arranged corresponding to the first mold cavities 13, and a plurality of second mold core components 22 are respectively inserted into the corresponding second mold cavities 23 in a sliding way. Preferably, the second mold cavity 23 is configured as an elongated column, and the second mold core component 22 is configured to be exactly and completely accommodated in the second mold cavity 23. The second cavity 224 is defined in the second core assembly 22, and the second cavity 224 and the first cavity 124 of the first core assembly 12 are configured to engage with each other to form the product cavity 3. Preferably, the plurality of second mold cavities 23 of the second substrate 21 are uniformly arranged on the same circumference, and each second mold cavity 23 is arranged in one-to-one correspondence with the first mold cavity 13 and has the same shape and size.

In this embodiment, the second core assembly 22 is substantially identical in construction to the first core assembly 12. The second core assembly 22 includes a second core 221, a third insert 222, and a fourth insert 223 defining a second cavity 224. The third insert 222 and the fourth insert 223 are connected to each other to define a second cavity penetrating the top surfaces thereof, and the second mold core 221 is slidably inserted into the second cavity to define a second cavity 224 at the top of the second cavity. A structure similar to the stepped portion 125 is formed at the bottom of the second cavity, and a structure similar to the boss portion 121b is formed at the bottom of the second mold insert 221 for mounting and positioning the second mold insert 221.

Specifically, the third insert piece 222 and the fourth insert piece 223 are configured to be mated to match the size of the second mold cavity 23, and the mated third insert piece 222 and fourth insert piece 223 are removable for separation after being removed from the second mold cavity 23. The top surface of the second mold core 221 is concavely provided with a second spherical groove 221a, and the second spherical groove 221a can be used for forming another effective optical surface of the injection molding product.

After the first core assembly 12 of the female mold 1 and the second core assembly 22 of the male mold 2 are matched and butted, the first cavity 124 and the second cavity 224 can define together to form a product cavity 3, and then the sprue 126 can be closed by synchronously sliding the first core assembly 12 and the second core assembly 22 in the same direction, so that a closed product cavity 3 is formed; and the size of the product cavity 3 can be changed by slidably adjusting the position of the first mold core 121 and/or the second mold core 221, so as to be used for injection molding products with different sizes.

The mold provided by the utility model has the advantages that the plurality of product cavities 3 are respectively and independently arranged on the plurality of mold core assemblies, the design not only can reduce the processing difficulty of the mold core assemblies, but also each product cavity 3 is independent from each other and can not form interference; at the same time, the size of each product pocket 3 can be adjusted independently.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A mold for injection molding of an optical product, comprising:

2. The mold of claim 1, wherein the first core assembly comprises a first core defining the first cavity, a first insert, and a second insert, the first and second inserts abutting to define a first cavity through the top and bottom surfaces thereof, the first core being slidably insertable within the first cavity.

3. The mold according to claim 2, wherein a stepped portion is formed at a top portion of the first cavity, and a boss portion is formed at a top portion of the first mold core, and the stepped portion and the boss portion cooperate with each other to position the first mold core.

4. The mold of claim 3, wherein the gate recess is provided on a bottom surface of the first insert.

5. The mold of claim 4, wherein the first and second inserts are configured to mate to match a size of a shape of the first mold cavity, and wherein the mated first and second inserts are removable.

6. The mold of claim 5, wherein the bottom surface of the first core has a first spherical groove.

7. The mold according to claim 1, wherein the second core assembly comprises a second core defining the second cavity, a third insert and a fourth insert, the third insert and the fourth insert abutting to define a second cavity extending through a top surface and a bottom surface thereof, the second core being slidably inserted into the second cavity.

8. The mold of claim 7, wherein the third and fourth insert pieces are configured to mate to match a shape and size of the second mold cavity, and wherein the third and fourth insert pieces are removable after mating.

9. The mold of claim 8, wherein the second cavity has a second spherical recess recessed in a top surface thereof.

10. The mold according to claim 1, wherein the plurality of first mold cavities are uniformly arranged on the same circumference, and the primary flow channel is located at the center of the circumference.