CN216032028U

CN216032028U - Earphone plug oil pressure mould

Info

Publication number: CN216032028U
Application number: CN202122318026.9U
Authority: CN
Inventors: 胡金福; 赵冰冰; 郭艳林; 黄家荣
Original assignee: Huizhou Jialiran Industrial Co ltd
Current assignee: Huizhou Jialiran Industrial Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-03-15
Anticipated expiration: 2031-09-24

Abstract

The utility model relates to the technical field of dies, in particular to an earphone plug oil pressure die which comprises an upper die plate, an upper middle die plate, a lower middle die plate and a lower die plate, wherein the upper middle die plate is arranged on the upper die plate. In practical use, when the upper middle template, the lower middle template and the lower template are in a mold opening state, raw materials such as silica gel and rubber for forming the earphone plug are placed at the middle core or the upper cavity, the upper middle template, the lower middle template and the lower template are matched under the driving of an oil pressure mechanism and the like, the middle core extends into the upper cavity, the upper core and the lower core both extend into the middle cavity, and the protrusions are in butt joint with the upper cavity to form the earphone plug. This earphone stopper oil pressure mould adopts cope match-plate pattern, last well template, lower well template and lower bolster integrated configuration, can be to the earphone stopper shaping of complex construction, and the one-time shaping obtains the earphone stopper, and can realize the batch production to earphone stopper product, improves the production efficiency of product to satisfy the production demand.

Description

Earphone plug oil pressure mould

Technical Field

The utility model relates to the technical field of dies, in particular to an oil pressure die for an earphone plug.

Background

The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The method realizes the processing of the appearance of the article mainly by changing the physical state of the formed material, and the article is called as 'industrial mother'. The oil pressure die belongs to one type of stamping, and is a product which is formed into a required shape by changing the physical state of a forming material, and most products such as rubber, silica gel and the like in the market can be formed by adopting the die.

As shown in fig. 1 and fig. 2 of the specification, the earphone plug 01 includes a product shape 02, an upper hole 03 disposed on the upper portion, an inner ring cavity 04 disposed in the product shape 02, a cylindrical protrusion 05 located in the inner ring cavity 04, a column hole 06 disposed in the cylindrical protrusion 05, and a hollow hole 07 located in the column hole 06, where the hollow hole 07 is respectively communicated with the column hole 06 and the upper hole 03. At present, the earphone plug 01 of this structure of current oil pressure mould can not the complete shaping, and during the shaping, inside post hole 06 and fretwork hole 07 all need further processing to obtain to also can not large-scale batch production, bring inconvenience for production, can not satisfy actual production's demand, need provide a solution urgently.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the earphone plug oil pressure die which is easy to integrally form the earphone plug in one step, can realize batch forming of products, and improves the production efficiency of the products so as to meet the production requirements.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides an earphone plug oil pressure die which comprises an upper die plate, an upper middle die plate, a lower middle die plate and a lower die plate, wherein the upper middle die plate is arranged on the upper die plate; the upper middle template is arranged on the upper template; the upper middle template is provided with a plurality of upper cavities for forming the appearance of a product, and upper cores for forming upper holes of the product are arranged in the upper cavities; a middle mold core matched with the upper mold cavity is arranged on one side surface of the lower middle mold plate, and the middle mold core is provided with a middle mold cavity penetrating through the lower middle mold plate; the lower template is provided with a lower mold core matched with the middle cavity, and the end part of the lower mold core is provided with a plurality of bulges used for forming meshes in a product; when the die is closed, the middle mold core extends into the upper mold cavity, the upper mold core and the lower mold core both extend into the middle mold cavity, and the protrusions are in butt joint with the upper mold cavity.

And when the mold is closed, the protrusion extends into the avoiding hole.

The lower template is provided with a containing groove for containing the lower and middle templates, a lower boss is arranged in the containing groove, and the lower core is arranged on the lower boss; the lower middle template is provided with a lower groove matched with the lower boss, and the middle cavity is arranged in the lower groove.

The upper template is provided with an upper boss and a positioning part; the upper middle template is provided with an upper groove matched with the upper boss and a positioning groove matched with the positioning part.

The utility model has the beneficial effects that:

the utility model provides an earphone plug oil pressure die, which is characterized in that when the die is actually used, when an upper middle die plate, a lower middle die plate and a lower die plate are in a die opening state, raw materials such as silica gel and rubber for forming an earphone plug are placed at a middle core or an upper cavity, the upper middle die plate, the lower middle die plate and the lower die plate are matched under the driving of an oil pressure mechanism and the like, the middle core extends into the upper cavity, the upper core and the lower core both extend into the middle cavity, and a bulge is butted with the upper cavity to form the earphone plug. And then, opening the upper middle template, the lower middle template and the lower template, and taking down the earphone plug from the middle mold core, thereby realizing the molding of the earphone plug. This earphone stopper oil pressure mould adopts cope match-plate pattern, last well template, lower well template and lower bolster integrated configuration, can be to the earphone stopper shaping of complex construction, and the one-time shaping obtains the earphone stopper, and can realize the batch production to earphone stopper product, improves the production efficiency of product to satisfy the production demand.

Drawings

Fig. 1 is a schematic perspective view of an earphone plug according to the present invention.

Fig. 2 is a schematic perspective view of another perspective view of the earphone plug according to the present invention.

Fig. 3 is a schematic perspective view of an oil pressure mold according to the present invention.

Fig. 4 is an exploded view of the hydraulic mold according to the present invention.

Fig. 5 is an enlarged view of a portion a in fig. 4.

Fig. 6 is an enlarged view at B in fig. 4.

Fig. 7 is another exploded view of the hydraulic mold according to the present invention.

Fig. 8 is an enlarged view at C in fig. 7.

Fig. 9 is an enlarged view at D in fig. 7.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention is described in detail below with reference to the attached drawings.

Referring to fig. 1 to 9, an earphone plug oil pressure mold includes an upper mold plate 1, an upper middle mold plate 2, a lower middle mold plate 3, and a lower mold plate 4; the upper middle template 2 is arranged on the upper template 1; the upper middle template 2 is provided with a plurality of upper cavities 21 for forming the appearance of a product, and upper cores 22 for forming upper holes of the product are arranged in the upper cavities 21; a middle core 31 matched with the upper cavity 21 is arranged on one side surface of the lower middle template 3, and the middle core 31 is provided with a middle cavity 32 penetrating through the lower middle template 3; the lower template 4 is provided with a lower core 41 matched with the middle cavity 32, and the end part of the lower core 41 is provided with a plurality of bulges 42 for forming inner meshes of a product; when the die is closed, the middle core 31 extends into the upper cavity 21, the upper core 22 and the lower core 41 both extend into the middle cavity 32, and the protrusion 42 is in butt joint with the upper cavity 21.

During the practical use, when the upper middle template 2, the lower middle template 3 and the lower template 4 are in the mold opening state, raw materials such as silica gel and rubber for forming the earphone plug are placed at the middle core 31 or the upper cavity 21, the upper middle template 2, the lower middle template 3 and the lower template 4 are matched under the driving of an oil pressure mechanism and the like, the middle core 31 extends into the upper cavity 21, the upper core 22 and the lower core 41 both extend into the middle cavity 32, the protrusion 42 is in butt joint with the upper cavity 21, and the earphone plug 01 is formed. Specifically, a product shape 02 is obtained by molding between the middle core 31 and the upper cavity 21, the upper hole 03 is obtained by molding the upper core 22, the inner annular cavity 04 is obtained by molding the middle core 31, the cylindrical protrusion 05 is obtained by molding between the middle core 31 and the lower core 41, the cylindrical hole 06 is obtained by molding the lower core 41, and the hollow hole 07 is obtained by molding the protrusion 42.

Then, the upper middle template 2, the lower middle template 3 and the lower template 4 are opened, and the earphone plug 01 is taken down from the middle core 31, so that the earphone plug 01 is molded. This earphone stopper oil pressure mould adopts cope match-plate pattern 1, well template 2 in on,

template

3 and 4 integrated configuration of lower bolster in the lower mould, can be to the earphone stopper shaping of complex construction, and one-time shaping obtains earphone stopper 01, and can realize improving the production efficiency of product to the batch production of earphone stopper product to satisfy the production demand.

In this embodiment, an avoiding hole 221 corresponding to the protrusion 42 is formed in the end surface of the upper core 22, and when the mold is closed, the protrusion 42 extends into the avoiding hole 221. After the end surface of the upper core 22 is abutted against the protrusion 42, it is ensured that there is no gap therebetween or the gap is small enough to ensure that no glue enters, so that the hollowed-out hole 07 is formed. When the protrusion 42 properly extends into the avoiding hole 221 or is flush with the avoiding hole 221, it is ensured that no glue enters, thereby ensuring the quality of the product.

In this embodiment, the lower template 4 is provided with a containing groove 43 for containing the lower middle template 3, a lower boss 44 is arranged in the containing groove 43, and the lower core 41 is arranged on the lower boss 44; the lower middle template 3 is provided with a lower groove 34 matched with the lower boss 44, and the middle cavity 32 is arranged in the lower groove 34. After the die is assembled, the lower middle template 3 is positioned in the accommodating groove 43, and the lower boss 44 is positioned in the lower groove 34, so that the lower middle template 3 and the lower template 4 are positioned and locked with each other, the structure is stable, the formed product is reliable, the error is small, and the forming precision of the product is improved.

In this embodiment, the upper die plate 1 is provided with an upper boss 13 and a positioning portion 14; the upper middle template 2 is provided with an upper groove 23 matched with the upper boss 13 and a positioning groove 24 matched with the positioning part 14, so that the upper template 1 and the upper middle template 2 are convenient to install and reliable to fix, and the overall strength of the die is improved.

Although the present invention has been described with reference to the above preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides an earphone stopper oil pressure mould which characterized in that: comprises an upper template (1), an upper middle template (2), a lower middle template (3) and a lower template (4); the upper middle template (2) is arranged on the upper template (1);

the upper middle template (2) is provided with a plurality of upper cavities (21) for molding the shape of a product, and upper cores (22) for molding upper holes of the product are arranged in the upper cavities (21);

a middle core (31) matched with the upper cavity (21) is arranged on one side surface of the lower middle template (3), and a middle cavity (32) penetrating through the lower middle template (3) is arranged on the middle core (31);

the lower template (4) is provided with a lower core (41) matched with the middle cavity (32), and the end part of the lower core (41) is provided with a plurality of bulges (42) for forming inner meshes of a product;

when the die is closed, the middle core (31) extends into the upper cavity (21), the upper core (22) and the lower core (41) both extend into the middle cavity (32), and the protrusion (42) is in butt joint with the upper cavity (21).

2. The earphone plug oil pressure mold according to claim 1, wherein: an avoiding hole (221) corresponding to the protrusion (42) is formed in the end face of the upper mold core (22), and when the mold is closed, the protrusion (42) extends into the avoiding hole (221).

3. The earphone plug oil pressure mold according to claim 1, wherein: the lower template (4) is provided with a containing groove (43) for containing the lower and middle templates (3), a lower boss (44) is arranged in the containing groove (43), and the lower core (41) is arranged on the lower boss (44); the lower middle template (3) is provided with a lower groove (34) matched with the lower boss (44), and the middle cavity (32) is arranged in the lower groove (34).

4. The earphone plug oil pressure mold according to claim 1, wherein: the upper template (1) is provided with an upper boss (13) and a positioning part (14); the upper middle template (2) is provided with an upper groove (23) matched with the upper boss (13) and a positioning groove (24) matched with the positioning part (14).