CN220763455U

CN220763455U - Earphone shell injection mold

Info

Publication number: CN220763455U
Application number: CN202322441492.5U
Authority: CN
Inventors: 任珂
Original assignee: Dongguan Trk Technology Co ltd
Current assignee: Dongguan Trk Technology Co ltd
Priority date: 2023-09-07
Filing date: 2023-09-07
Publication date: 2024-04-12
Anticipated expiration: 2033-09-07

Abstract

The utility model discloses an earphone shell injection mold in the field of molds, which consists of a fixed mold and a movable mold pressed on the upper end face, wherein the bottom of the fixed mold is connected with a fixed seat plate, the top of the movable mold is connected with a movable seat plate, the center of the fixed mold is hollowed out, a movable lower cavity plate is arranged at the hollowed-out position, the fixed seat plate is connected with four telescopic shafts for supporting and ejecting the lower cavity plate, a cooling fan for blowing air towards the lower cavity plate is also arranged at the center of the fixed seat plate, a flowing water tank which is led in and led out from the side face and surrounds the hollowed-out position is arranged in the fixed mold, an upper cavity plate matched with the lower cavity plate is arranged at the bottom of the movable mold, and a concave forming cavity is arranged at the joint of the upper cavity plate and the lower cavity plate. After the earphone shell is injection molded, the heat dissipation fan at the bottom blows the heat of the outer side, so that the air circulation of the outer side is accelerated, the internal flowing water tank adopts constantly flowing water flow, the internal heat is absorbed rapidly, cold water is injected alternately, the cooling speed of the die is accelerated by adopting a dual heat dissipation mode, and the production efficiency is improved.

Description

Earphone shell injection mold

Technical Field

The utility model relates to the technical field of molds, in particular to an earphone shell injection mold.

Background

The earphone is a pair of conversion units which receive the electric signals sent by the media player or the receiver, convert the electric signals into audible sound waves by using a loudspeaker close to the ears, can be separated from the media player, can be connected by using only one plug, and can independently listen to the sound without affecting other people; the earphone is used for telephone and radio, but with the prevalence of portable electronic devices, the earphone is used for mobile phones, walkman, radio, portable game and digital audio players.

Earphone casing is usually produced by injection molding, and needs the mould in the injection molding process of earphone casing, and current mould is usually all carried out natural heat dissipation and cooling, is inconvenient for the mould to carry out quick cooling down and cooling to mould radiating effect and cooling effect are relatively poor, have seriously influenced earphone casing's production efficiency, can not satisfy the production demand.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides the earphone shell injection mold, which can effectively solve the technical problem of poor cooling effect of the existing mold after injection molding.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides an earphone shell injection mold comprises cover half and pressfitting movable mould at the up end, the cover half bottom is connected with fixed bedplate, the movable mould top is connected with the removal bedplate, cover half center fretwork and fretwork department are equipped with the lower die cavity board of activity, fixed bedplate is connected with four telescopic shafts that support and ejecting lower die cavity board, fixed bedplate center department still is equipped with the radiator fan that bloies towards lower die cavity board, the inside mobile flume that is introduced and draws forth by the side and encircle the fretwork department that is equipped with of cover half, the movable mould bottom is equipped with the last die cavity board that uses with lower die cavity board collocation, go up die cavity board and lower die cavity board junction all are equipped with sunken shaping cavity.

Further, the top of the lower cavity plate protrudes outwards, and the protruding part is embedded and lapped on the surface of the fixed die.

Further, the lower cavity plate closely slides against the inner wall of the hollowed-out part of the fixed die.

Further, the telescopic shafts are connected with four corners of the lower cavity plate, and the cooling fan is arranged on the inner side of the telescopic shafts.

Further, an input port connected with the input end of the flowing water tank and an output port connected with the output end of the flowing water tank are arranged on the side face of the fixed die.

Further, a vent opening leading to the internal hollow part is further formed in the side face of the fixed die.

Further, at least two limiting inserted bars which are inserted into the movable mould are arranged at the top of the fixed mould.

Further, the movable mould is provided with a liquid injection port which is communicated with the upper cavity plate forming cavity.

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

according to the utility model, after the earphone shell is injection molded, the heat of the outer side is blown away by the cooling fan at the bottom, so that the air circulation of the outer side is quickened, the internal flowing water tank adopts continuously flowing water flow, the internal heat is absorbed rapidly, cold water is injected alternately, and the pair of dies adopts a dual cooling mode, so that the cooling speed of the earphone shell after injection molding is higher, the production efficiency is improved, the whole structure is simple, the operation is convenient, and the practicability is strong.

Drawings

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

FIG. 2 is a schematic diagram of a fixed mold structure of the utility model;

FIG. 3 is a schematic diagram of the internal structure of the fixed mold of the utility model;

FIG. 4 is a schematic view of the bottom connecting structure of the lower cavity plate of the present utility model;

FIG. 5 is a schematic view of the internal cross-sectional structure of the stationary mold of the present utility model;

FIG. 6 is a schematic diagram of a movable mold structure according to the present utility model;

reference numerals in the drawings:

1-fixed die, 2-movable die, 3-fixed seat board, 4-movable seat board, 5-lower cavity board, 6-telescopic shaft, 7-heat-dissipating fan and 8-flowing water tank, 9-upper cavity plate, 10-forming cavity, 11-input port, 12-output port, 13-vent, 14-limit insert rod and 15-liquid injection port.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-6, the utility model provides an earphone shell injection mold, which is mainly used for injection molding of earphone shells, and is composed of a fixed mold 1 and a movable mold 2 pressed on the upper end face, wherein the bottom of the fixed mold 1 is connected with a fixed seat plate 3, the top of the movable mold 2 is connected with a movable seat plate 4, the mold mainly depends on the combination of the fixed mold 1 and the movable mold 2 to form a molding cavity 10 during earphone injection molding, when the mold is assembled and used, the fixed mold 1 is fixed in injection molding equipment through the fixed seat plate 3, the movable mold 2 is controlled to move by the injection molding equipment through the movable seat plate 4, the movement generally adopts up-and-down movement, so that the fixed mold 1 and the movable mold 2 are combined, and when the fixed mold 1 is combined, four limiting inserting rods 14 which are inserted into the movable mold 2 to limit and fix are arranged.

The utility model discloses a fixed die, including cover half 1, movable die 2, lower die cavity plate 5, upper die cavity plate 9, lower die cavity plate 5, upper die cavity plate 9 and lower die cavity plate 5, wherein the center fretwork just is equipped with movable lower die cavity plate 5 in fretwork department, movable die 2 bottom is equipped with and matches last die cavity plate 9 that uses with lower die cavity plate 5, go up die cavity plate 9 and lower die cavity plate 5 junction all is equipped with sunken shaping die cavity 10, lower die cavity plate 5 forms detachable structure on cover half 1 to slide along cover half 1 fretwork department inner wall, simultaneously, lower die cavity plate 5 top outside is protruding, and protruding portion embedding is taken on cover half 1 surface, go up die cavity plate 9 and form detachable structure on movable die 2 equally, the user can change different upper die cavity plate 9 and lower die cavity plate 5 according to different products, after last die cavity plate 9 and lower die cavity plate 5 combine, movable die 2 side is equipped with annotate liquid mouth 15, the liquid of moulding plastics flows in until in the shaping die cavity 9, inside can be drained through the use of the rubber tube.

The fixed seat board 3 is connected with four telescopic shafts 6 which support and eject the lower cavity plate 5, the four telescopic shafts 6 are connected with four corners of the lower cavity plate 5, the four telescopic shafts 6 are connected with a controller which controls the telescopic operation of the lower cavity plate 5, and the telescopic shafts 6 are controlled by a user to be used, before injection molding, the surfaces of the lower cavity plate 5 are enabled to be aligned with the surfaces of the fixed die 1, after injection molding, the movable die 2 leaves the fixed die 1, and the telescopic shafts 6 stretch and eject the lower cavity plate 5 to facilitate the user to take away the earphone shell after injection molding.

The center department of fixed bedplate 3 still is equipped with the radiator fan 7 of blowing towards lower cavity board 5, radiator fan 7 assembles in four telescopic shafts 6 inboardly, after the liquid injection molding is poured into the shaping die cavity 10, needs the inside temperature of quick cooling, in the outside, the radiator fan 7 of bottom is to the heat dissipation of blowing towards lower cavity board 5, increases simultaneously at cover half 1 side and is equipped with the vent 13 of radiator fan 7 position to fretwork department, strengthens inside circulation of air, gives off heat fast, reaches the effect of cooling.

The inside mobile water tank 8 that is led in and draws forth by the side and encircle the fretwork department that is equipped with of cover half 1, after cover half and the contact of lower die cavity board 5, the heat transfer of lower die cavity board 5 is to cover half 1 on, and mobile water tank 8 passes through rivers from input port 11 in the cover half 1, absorbs the inside heat of cover half 1 when mobile water tank 8 flows, and then is discharged from delivery outlet 12, and the water of carrying to the inside mobile water tank 8 of cover half 1 is cold water, and the cooling effect can be better.

Compared with the prior art, the technical scheme has the advantages that after the earphone shell is injection molded, the bottom cooling fan 7 blows heat outside, air circulation outside is accelerated, the internal flowing water tank 8 adopts constantly flowing water flow, internal heat is quickly absorbed, cold water is alternately injected, a dual cooling mode is adopted for the die, the cooling speed of the earphone shell after injection molding is higher, and the production efficiency is improved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Claims

1. The utility model provides an earphone shell injection mold comprises cover half and pressfitting movable mould at up end, the cover half bottom is connected with fixed bedplate, the movable mould top is connected with and removes the bedplate, its characterized in that: the fixed die is characterized in that the center of the fixed die is hollowed out, a movable lower cavity plate is arranged at the hollowed-out position, four telescopic shafts for supporting and ejecting the lower cavity plate are connected to the fixed seat plate, a cooling fan blowing towards the lower cavity plate is further arranged at the center of the fixed seat plate, a flowing water tank which is led in and led out from the side face and surrounds the hollowed-out position is arranged inside the fixed die, an upper cavity plate matched with the lower cavity plate is arranged at the bottom of the movable die, and a sunken forming cavity is formed at the joint of the upper cavity plate and the lower cavity plate.

2. The earphone shell injection mold of claim 1, wherein: the top of the lower cavity plate protrudes outwards, and the protruding part is embedded and lapped on the surface of the fixed die.

3. An earphone shell injection mold according to claim 1 or 2, characterized in that: the lower cavity plate closely slides against the inner wall of the hollowed-out part of the fixed die.

4. The earphone shell injection mold of claim 1, wherein: the telescopic shafts are connected with four corners of the lower cavity plate, and the cooling fan is arranged on the inner side of the telescopic shafts.

5. The earphone shell injection mold of claim 1, wherein: the side of the fixed die is provided with an input port connected with the input end of the flowing water tank and an output port connected with the output end of the flowing water tank.

6. The earphone shell injection mold of claim 1, wherein: the side of the fixed die is also provided with a vent opening leading to the internal hollow part.

7. An earphone shell injection mold according to claim 1 or 5 or 6, wherein: and the top of the fixed die is provided with at least two limiting inserted bars which are inserted into the movable die.

8. The earphone shell injection mold of claim 1, wherein: the movable mould is provided with a liquid injection port which is communicated with the upper cavity plate forming cavity.