CN210148598U

CN210148598U - Injection molding mould is used in processing of earphone button box shell

Info

Publication number: CN210148598U
Application number: CN201920420414.8U
Authority: CN
Inventors: 谢卫民
Original assignee: Hunan Minxin New Material Ltd By Share Ltd
Current assignee: Hunan Minxin New Material Ltd By Share Ltd
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2020-03-17
Anticipated expiration: 2029-03-29

Abstract

The utility model discloses an injection molding mold for processing a shell of an earphone key box, which comprises a first shell and a second shell which are matched with each other; the forming die comprises an upper die assembly and a lower die assembly, an upper die core with a cavity is fixedly arranged in the upper die plate, a shifting plate is movably arranged in the upper die core, and an elastic assembly is arranged at the upper end of the shifting plate; the lower die plate is internally provided with a lower die core, the lower die core is internally provided with an insert in a penetrating way, the upper surface of the insert is provided with strip-shaped bulges which are matched with the cavity of the upper die core to form a die cavity, and the shape of the die cavity is matched with the shape of the first shell or the second shell. The utility model discloses in through mobile switch-plate that sets up in last mold core, through set up the mold insert in the mold core down, the whole optimization that has obtained of drawing of patterns flow that first shell and second shell add man-hour is favorable to realizing the industrialization mass production of first shell and second shell more.

Description

Injection molding mould is used in processing of earphone button box shell

Technical Field

The utility model belongs to the mould field especially relates to a mould is used in processing of earphone button box shell.

Background

With the popularization of electronic products such as mobile phones, earphones are increasingly used. The earphone is often used in a process of adjusting the volume of the earphone and the like, and the adjustment process is realized through a key control box. In the prior art, a plurality of key control boxes are processed, but the production method in the prior art has the problems of multiple processing procedures, long production period, difficulty in mass production and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome not enough and the defect mentioned in the above background art, provide an earphone key box shell processing is with injection moulding mould, utilize this mould production earphone key box shell can reduce the production and processing processes of earphone key box shell greatly, have that the processing cost is relatively lower, processing cycle is short, product apparent quality advantage such as good. In order to solve the technical problem, the utility model provides a technical scheme does:

an injection molding mold for processing a shell of an earphone key box comprises a first shell and a second shell which are matched with each other; the forming die comprises an upper die assembly and a lower die assembly, the upper die assembly sequentially comprises an upper die plate, a runner stripper plate and an upper die fixing plate from bottom to top, a glue injection port is formed in the center of the upper die fixing plate and is fixed with the upper die fixing plate through a positioning ring, and the lower end of the glue injection port is connected with a runner system; the lower die component sequentially comprises a lower die plate, a pair of oppositely arranged base plates and a lower die fixing plate, wherein the pair of oppositely arranged base plates are positioned on two sides of the lower die plate, an ejection device is arranged on the lower die fixing plate and between the pair of oppositely arranged base plates, an upper die core with a cavity is fixedly arranged in the upper die plate, a shifting plate is movably arranged in the upper die core, the upper surface of the shifting plate is flush with the upper surface of the upper die core, the lower surface of the shifting plate extends to the upper die core cavity and is flush with the inner wall of the upper die core cavity, an elastic component is arranged at the upper end of the shifting plate, one end of the elastic component is connected with the shifting plate, and the; the lower die plate is internally provided with a lower die core, the lower die core is internally provided with an insert in a penetrating way, the upper surface of the insert is provided with strip-shaped bulges which are matched with the cavity of the upper die core to form a die cavity, and the shape of the die cavity is matched with the shape of the first shell or the second shell.

In the above molding mold, preferably, an inlet gate is provided at a communication position of the runner system and the cavity.

In the above molding die, preferably, the first housing is provided with a through hole for accommodating the key, and the gate is located at the through hole. The through hole is arranged at the inlet gate, and after the first shell is molded, the surface of the first shell cannot have a rubber head interface, so that the surface precision is higher, and the apparent quality is better.

In the above molding die, preferably, the elastic member is a plurality of elastic springs.

In the above forming mold, preferably, the upper mold assembly is provided with a guide pillar, and the lower mold assembly is provided with a guide pillar groove matched with the guide pillar to ensure that the upper mold assembly is matched with the lower mold assembly.

In the above molding mold, preferably, the ejector device includes a thimble push plate, a thimble panel and a thimble, the thimble push plate is disposed on the lower mold fixing plate, the thimble panel is disposed on the thimble push plate, the thimble is disposed on the thimble panel, and the thimble is movable to pass through the lower mold fixing plate and the insert and extend into the mold cavity.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses in through mobile switch-plate that sets up in last mold core, through set up the mold insert in the mold core down, after mutually supporting of each part, can conveniently realize the separation of first shell, second shell and mould, the drawing of patterns flow of first shell and second shell man-hour has wholly obtained optimizing, is favorable to realizing the industrialization mass production of first shell and second shell more.

2. The utility model provides a forming die has simple structure, and the runner system arranges rationally, advantages such as convenient to use.

3. The utility model discloses well utilize forming die to process and obtain first shell and second shell, processing cycle is short, and the processing cost is low.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a forming die in the embodiment.

Fig. 2 is a schematic structural diagram of the hidden part of the assembly in fig. 1 (the hidden parts mainly include a lower template, an upper template, a runner stripper plate and an upper fixing plate).

Fig. 3 is a schematic structural diagram of the hidden part of the assembly in fig. 1 (the hidden parts mainly include a lower die plate, a lower die core, an upper die plate, an upper die core, a runner stripper plate, and an upper die fixing plate).

FIG. 4 is a schematic structural diagram of an upper die core and components in the upper die core in the embodiment (the ejector pin is illustrated in the figure).

Fig. 5 is an exploded view of fig. 4.

Illustration of the drawings:

1. a first housing; 2. a second housing; 3. mounting a template; 4. a runner stripper plate; 5. an upper die fixing plate; 6. a glue injection port; 7. a positioning ring; 8. a lower template; 9. a base plate; 10. a lower die fixing plate; 11. an upper mold core; 12. a kick-out plate; 13. an elastic component; 14. a lower mold core; 15. an insert; 16. strip-shaped bulges; 17. a runner system; 20. a guide post; 21. a guide post groove; 22. a thimble push plate; 23. a thimble panel; 24. and (4) a thimble.

Detailed Description

To facilitate understanding of the present invention, the present invention will be described more fully and specifically with reference to the accompanying drawings and preferred embodiments, but the scope of the present invention is not limited to the specific embodiments described below.

Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present invention.

Example (b):

as shown in fig. 1-5, the injection molding mold for processing the casing of the earphone key box of the embodiment includes a first casing 1 and a second casing 2 which are matched with each other; the forming die comprises an upper die assembly and a lower die assembly, the upper die assembly sequentially comprises an upper die plate 3, a runner stripper plate 4 and an upper die fixing plate 5 from bottom to top, a glue injection port 6 is formed in the center of the upper die fixing plate 5, the glue injection port 6 is fixed with the upper die fixing plate 5 through a positioning ring 7, and the lower end of the glue injection port 6 is connected with a runner system 17; the lower die component sequentially comprises a lower die plate 8, a pair of oppositely arranged backing plates 9 and a lower die fixing plate 10 from top to bottom, wherein the backing plates 9 and the lower die fixing plate 10 are positioned at two sides of the lower die plate 8; the lower template 8 is provided with a lower mold core 14, the lower mold core 14 is provided with an insert 15 in a penetrating way, the upper surface of the insert 15 is provided with a strip-shaped bulge 16 which is matched with the cavity of the upper mold core 11 to form a mold cavity, and the shape of the mold cavity is matched with the shape of the first shell 1 or the second shell 2.

In this embodiment, a gate is disposed at a communication position between the runner system 17 and the mold cavity, a through hole for accommodating the key is disposed on the first housing 1, and the gate is located at the through hole.

In this embodiment, the elastic member 13 is a plurality of elastic springs.

In this embodiment, the upper die assembly is provided with a guide pillar 20, and the lower die assembly is provided with a guide pillar groove 21 matched with the guide pillar 20 to ensure that the upper die assembly and the lower die assembly are matched.

In this embodiment, the ejection device includes a thimble push plate 22, a thimble panel 23 and a thimble 24, the thimble push plate 22 is disposed on the lower mold fixing plate 10, the thimble panel 23 is disposed on the thimble push plate 22, the thimble 24 is disposed on the thimble panel 23, and the thimble 24 is movable to pass through the lower mold fixing plate 10 and the insert 15 and extend into the mold cavity.

In this embodiment, the mold material passes through the runner system from the glue injection port 6, and then enters the mold cavity, and when the mold cavity is completely filled, the product is compacted by automatic pressure maintaining, and then the upper mold core 11 and the lower mold core 14 are separated, because of the existence of the elastic component 13 (compressed state), the material-shifting plate 12 can temporarily keep the original position (at this time, the first shell 1 and the second shell 2 can be kept still), and along with the further movement of the upper mold core 11, the material-shifting plate 12 can move up along with the elastic component 13, and then passes through the ejection device, so that the first shell 1 and the second shell 2 are separated from the forming mold, and then the next injection molding is performed, and the sequential cycle work can be realized, the mass production can be realized, and the production efficiency is.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An injection molding mold for processing a shell of an earphone key box comprises a first shell (1) and a second shell (2) which are matched with each other; the forming die comprises an upper die assembly and a lower die assembly, the upper die assembly sequentially comprises an upper die plate (3), a runner stripper plate (4) and an upper die fixing plate (5) from bottom to top, a glue injection port (6) is formed in the center of the upper die fixing plate (5), the glue injection port (6) is fixed with the upper die fixing plate (5) through a positioning ring (7), and the lower end of the glue injection port (6) is connected with a runner system (17); the lower die component comprises a lower die plate (8), a pair of oppositely arranged backing plates (9) and a lower die fixing plate (10) which are positioned at two sides of the lower die plate (8) from top to bottom in sequence, an ejection device is arranged on the lower die fixing plate (10) and between a pair of oppositely arranged backing plates (9), it is characterized in that an upper mold core (11) with a cavity is fixedly arranged in the upper mold plate (3), a kickoff plate (12) is movably arranged in the upper mold core (11), the upper surface of the kickoff plate (12) is flush with the upper surface of the upper mold core (11), the lower surface of the kick-out plate (12) extends to the cavity of the upper mold core (11) and is flush with the inner wall of the cavity of the upper mold core (11), an elastic component (13) is arranged at the upper end of the kick-out plate (12), one end of the elastic component (13) is connected with the kick-out plate (12), and the other end of the elastic component is connected with the upper template (3); the lower die plate (8) is internally provided with a lower die core (14), the lower die core (14) is internally provided with an insert (15) in a penetrating manner, the upper surface of the insert (15) is provided with strip-shaped bulges (16) which are matched with the cavity of the upper die core (11) to form a die cavity, and the shape of the die cavity is matched with the shape of the first shell (1) or the second shell (2).

2. The injection molding mold for processing the casing of the earphone key box according to claim 1, wherein an inlet gate is arranged at the position where the runner system (17) is communicated with the mold cavity.

3. The injection molding mold for processing the earphone key box shell according to claim 2, wherein a through hole for accommodating the key is formed in the first shell (1), and the gate is located at the through hole.

4. The injection mold for processing an earphone key box shell according to any one of claims 1-3, characterized in that the elastic component (13) is a plurality of elastic springs.

5. The injection mold for processing the casing of the earphone key box according to any one of claims 1 to 3, wherein the upper mold assembly is provided with a guide post (20), and the lower mold assembly is provided with a guide post groove (21) matched with the guide post (20) to ensure the upper mold assembly and the lower mold assembly to be matched.

6. The injection molding die for processing the earphone key box shell according to any one of claims 1 to 3, wherein the ejector device comprises an ejector pin pushing plate (22), an ejector pin plate (23) and an ejector pin (24), the ejector pin pushing plate (22) is arranged on the lower mold fixing plate (10), the ejector pin plate (23) is arranged on the ejector pin pushing plate (22), the ejector pin (24) is arranged on the ejector pin plate (23), and the ejector pin (24) movably penetrates through the lower mold fixing plate (10) and the insert (15) and extends into the mold cavity.