CN218985569U

CN218985569U - Soft lightweight design mould structure of notebook double-colored callus on sole of moulding plastics

Info

Publication number: CN218985569U
Application number: CN202223514467.7U
Authority: CN
Inventors: 颜剑平
Original assignee: Kunshan Zhuopuda Electronics Co ltd
Current assignee: Kunshan Zhuopuda Electronics Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-05-09
Anticipated expiration: 2032-12-28

Abstract

The utility model belongs to the technical field of foot pad molds, and discloses a soft lightweight design mold structure of a notebook double-shot injection molding foot pad, which comprises a male mold, a first shot female mold and a second shot female mold, wherein a boss is integrally formed at the top of the male mold, the male mold and the first shot female mold are assembled to form a hard rubber filling cavity, the boss is positioned in the hard rubber filling cavity, the male mold and the second shot female mold are assembled to form a soft rubber filling cavity, the boss is positioned in the soft rubber filling cavity, and the hard rubber filling cavity is completely sleeved outside the soft rubber filling cavity; according to the utility model, the hard rubber and the soft rubber can be sequentially injection molded by using only one male die, two sets of dies are not needed, equipment is saved, and the male die is integrally formed with the boss, so that the center of the formed foot pad is provided with a hollowed-out area, the foot pad is lighter, and the weight reduction effect of parts is better.

Description

Soft lightweight design mould structure of notebook double-colored callus on sole of moulding plastics

Technical Field

The utility model belongs to the technical field of foot pad molds, and particularly relates to a soft and lightweight design mold structure of a notebook double-shot molding foot pad.

Background

The computer foot pad is composed of soft rubber and hard rubber, wherein the hard rubber is made of plastic with harder texture, and the soft rubber is made of plastic with soft texture. The soft rubber is generally coated on the hard rubber by adopting an injection molding process.

The utility model discloses a chinese patent of application number 2021233445815 discloses a computer callus on sole flexible glue mould, through the stop gear cooperation on last mould and the spacing groove on hard glue, makes hard glue more firmly fix on last mould, prevents that hard glue from producing the displacement at the in-process of moulding plastics, also enables simultaneously that the drawing of patterns process of flexible glue is more convenient, but it when using, needs two sets of moulds to accomplish the moulding plastics of hard glue and flexible glue, and can't satisfy the lightweight design demand to notebook computer, can not realize the weight reduction to the part.

Therefore, it is necessary to solve the above problems by providing a soft and lightweight design mold structure for a dual-shot molding foot pad of a notebook computer.

Disclosure of Invention

Aiming at the problems, the utility model provides a soft and lightweight design mold structure of a double-shot injection molding foot pad of a notebook computer, two sets of molds are not needed, and the produced computer foot pad is lightweight and weight-reduced, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a soft lightweight design mould structure of notebook double-colored callus on sole of moulding plastics, includes public mould, one penetrates the master model and two penetrate the master model, public mould top integrated into one piece has the boss, public mould and one penetrate the master model compound die and form the hard rubber and fill the die cavity, the boss is located the hard rubber and fill the die cavity inside, public mould and two penetrate the master model compound die and form the soft rubber and fill the die cavity, the boss is located the soft rubber and fills the die cavity inside, the hard rubber fills the die cavity and overlaps in the soft rubber completely and fill the die cavity outside.

Preferably, the top of the boss is contacted with the primary injection female die, and the top of the boss is not contacted with the secondary injection female die.

Preferably, the abutting surface between the top of the boss and the primary injection female die is an arc-shaped surface.

Preferably, the middle part of the hard glue filling cavity is a horizontal plane.

Preferably, the width of the soft rubber filling cavity gradually becomes smaller towards the top, and the soft rubber filling cavity is contacted with the top of the boss.

Preferably, the top of the male die is integrally formed with a positioning protrusion, and the bottoms of the first injection female die and the second injection female die are integrally formed with a recess matched with the positioning protrusion.

Preferably, the positioning protrusion is internally embedded with an iron ball body, the bottom of the recess is coated with magnetic powder, and the magnetic powder is subjected to laser hot melting treatment.

The utility model has the technical effects and advantages that:

1. according to the utility model, the hard rubber and the soft rubber can be sequentially injection molded by using only one male die, two sets of dies are not needed, equipment is saved, and a boss is integrally formed on the male die, so that the center of the formed foot pad is provided with a hollowed-out area, the foot pad is lighter, and the weight reduction effect of parts is better;

2. according to the utility model, the positioning protrusions are aligned with the depressions, and the alignment speed is faster and the stability is better when the mold is closed by matching with the magnetic attraction effect of the iron spheres and the magnetic powder in the depressions.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a male die structure of the present utility model;

FIG. 2 is a schematic diagram of a primary mold structure according to the present utility model;

FIG. 3 is a schematic diagram of a two-shot master mold according to the present utility model;

FIG. 4 is a schematic diagram of the male mold and the one shot female mold of the present utility model;

fig. 5 is a schematic view of the soft rubber filling cavity of the present utility model after filling the soft rubber.

In the figure: 1. a male mold; 2. a primary injection female die; 3. a two-shot female die; 4. filling the cavity with hard glue; 5. filling the cavity with soft rubber; 6. positioning the bulge; 7. a recess; 8. iron spheres; 9. a boss.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, based on the embodiments of the utility model, which a person of ordinary skill in the art would obtain without inventive faculty, are within the scope of the utility model;

in the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The utility model provides a soft lightweight design die structure of a notebook double-shot injection molding foot pad, which is shown in fig. 1-5, and comprises a male die 1, a first shot female die 2 and a second shot female die 3, wherein a boss 9 is integrally formed at the top of the male die 1, the male die 1 and the first shot female die 2 are matched to form a hard rubber filling cavity 4, the boss 9 is positioned in the hard rubber filling cavity 4, the male die 1 and the second shot female die 3 are matched to form a soft rubber filling cavity 5, the boss 9 is positioned in the soft rubber filling cavity 5, and the hard rubber filling cavity 4 is completely sleeved outside the soft rubber filling cavity 5; the top of the boss 9 is contacted with the primary injection female die 2, and the top of the boss 9 is not contacted with the secondary injection female die 3; the abutting surface between the top of the boss 9 and the primary injection female die 2 is an arc surface; the middle part of the hard rubber filling cavity 4 is a horizontal plane; the width of the soft rubber filling cavity 5 gradually decreases towards the top, and the soft rubber filling cavity 5 is contacted with the top of the boss 9.

Referring to fig. 1-2 of the specification, a positioning protrusion 6 is integrally formed at the top of the male mold 1, a recess 7 matched with the positioning protrusion 6 is integrally formed at the bottom of the first injection female mold 2 and the second injection female mold 3, and the positioning protrusion 6 and the recess 7 are mutually matched, so that the alignment efficiency of the male mold 1 when the first injection female mold 2 and the second injection female mold 3 are respectively matched is faster; the positioning bulge 6 is internally embedded with the iron ball body 8, the bottom of the concave part 7 is coated with magnetic powder, the magnetic powder is subjected to laser hot melting treatment, and finally is subjected to laser hot melting treatment after being coated at the concave part 7, so that the magnetic powder and the concave part 7 are fused together, and the firmness of the magnetic powder at the concave part 7 is improved.

The working principle of the utility model is as follows: during production, the first injection female die 2 is matched with the male die 1, hard glue is injected, after the hard glue is shaped, the first injection female die 2 is demoulded from the male die 1, then the second injection female die 3 is matched with the male die 1, soft glue with different colors with the hard glue is injected, soft glue filling is achieved, two colors are clearer and easier to distinguish, the whole set of dies can sequentially complete injection molding of the hard glue and the soft glue by only using one male die 1, equipment is saved, a boss 9 is integrally formed on the male die 1, a hollowed-out area is formed in the center of a formed foot pad, the foot pad is lighter, the weight reduction effect of parts is better, and when the die is matched, the positioning protrusions 6 are aligned with the concave 7, and the magnetic attraction effect of magnetic powder at the position of the iron ball 8 is matched, so that the alignment rate during die matching is faster, and the stability is better.

Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. Soft lightweight design mould structure of notebook double-colored callus on sole of moulding plastics, its characterized in that: including public mould (1), one penetrate female mould (2) and two penetrate female mould (3), public mould (1) top integrated into one piece has boss (9), public mould (1) and one penetrate female mould (2) compound die and form hard gum filling die cavity (4), boss (9) are located inside hard gum filling die cavity (4), public mould (1) and two penetrate female mould (3) compound die and form soft gum filling die cavity (5), boss (9) are located inside soft gum filling die cavity (5), and hard gum filling die cavity (4) are complete to be overlapped in the soft gum outside filling die cavity (5).

2. The notebook bi-color injection molding foot pad soft lightweight design mold structure according to claim 1, wherein: the top of the boss (9) is contacted with the primary injection female die (2), and the top of the boss (9) is not contacted with the secondary injection female die (3).

3. The notebook bi-color injection molding foot pad soft lightweight design mold structure according to claim 1, wherein: the top of the boss (9) and the abutting surface of the primary injection female die (2) are arc-shaped surfaces.

4. The notebook bi-color injection molding foot pad soft lightweight design mold structure according to claim 1, wherein: the middle part of the hard rubber filling cavity (4) is a horizontal plane.

5. The notebook bi-color injection molding foot pad soft lightweight design mold structure according to claim 1, wherein: the width of the soft rubber filling cavity (5) gradually becomes smaller towards the top, and the soft rubber filling cavity (5) is contacted with the top of the boss (9).

6. The notebook bi-color injection molding foot pad soft lightweight design mold structure according to claim 1, wherein: the top of the male die (1) is integrally formed with a positioning protrusion (6), and the bottoms of the first injection female die (2) and the second injection female die (3) are integrally formed with a recess (7) matched with the positioning protrusion (6).

7. The notebook bi-color injection molding foot pad soft lightweight design mold structure according to claim 6, wherein: the positioning bulge (6) is internally embedded with an iron ball body (8), the bottom of the recess (7) is coated with magnetic powder, and the magnetic powder is subjected to laser hot melting treatment.