CN218948313U

CN218948313U - Earphone shell injection mold

Info

Publication number: CN218948313U
Application number: CN202223434852.0U
Authority: CN
Inventors: 杨金仲
Original assignee: Tianjin Enga Technology Co ltd
Current assignee: Tianjin Enga Technology Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-05-02
Anticipated expiration: 2032-12-21

Abstract

The utility model belongs to the technical field of molds, and particularly relates to an earphone shell injection mold, which comprises an upper mold plate, wherein a hinge is arranged on one side of the upper mold plate, a pressurizing groove is formed in the top of the upper mold plate, an air guide hole is formed in one side of the inside of the pressurizing groove, a support is arranged on the pressurizing groove, a screw is arranged in the middle of the support, a pressurizing block is placed below the screw, a fixed column is arranged on the other side of the upper mold plate, an upper injection groove is symmetrically formed in the middle of the upper mold plate, convex columns are arranged on two sides of the upper injection groove, a lower injection groove is formed in the top surface of the lower mold plate, a one-way injection valve is arranged at the front end of the lower injection groove, notches are formed in two sides of the lower injection groove, a cooling mechanism is arranged at the bottom of the lower mold plate, and a buckle is arranged on one side of the lower mold plate. According to the utility model, the hinge is arranged to movably connect the upper die plate and the lower die plate, and meanwhile, when the die is closed, the convex columns and the concave grooves are correspondingly embedded, so that the die attaching accuracy is ensured, the die is tightly attached by using the buckle, and the die attaching device has a simple and efficient structure and is convenient and rapid to operate.

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

Along with the continuous development of the current electronic equipment, the application range of the earphone is gradually increased, the earphone is a pair of conversion units which receive the electric signals sent by the media player or the receiver and convert the electric signals into audible sound waves by using a loudspeaker close to the ear, so that the quality of the earphone in the actual use process mainly depends on the quality of the earphone in the processing and forming process, and the earphone is subjected to stamping forming through a stamping die in the processing and manufacturing process and is subjected to injection molding through an injection die.

The prior art has the following problems:

1. in the partial die in the prior art, the die is fixed by bolts, more bolts can cause complicated disassembly and assembly procedures, troubles are caused for workers, meanwhile, a cooling structure is lacked, the material cooling speed is low, and the working efficiency is low.

2. Meanwhile, the air guide device is absent in the die, so that the filling part of the material in the die is easy to be sufficient in the injection molding process, defective products are easy to be caused, and the yield is reduced.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an earphone shell injection mold, which solves the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an earphone shell injection mold, includes the cope match-plate pattern, one side of cope match-plate pattern is provided with the hinge, the boost tank has been seted up at the top of cope match-plate pattern, the air vent has been seted up to boost tank inside one side, be provided with the support on the boost tank, the support middle part is provided with the screw rod, the boost piece has been placed to the screw rod below, the opposite side of cope match-plate pattern is provided with the fixed column, the upper injection tank has been seted up to the middle part symmetry of cope match-plate pattern, the both sides of upper injection tank are provided with the projection, the below of cope match-plate pattern is provided with the lower bolster, the lower injection tank has been seted up on the top surface of lower bolster, the front end of lower injection tank is provided with one-way injection valve, the notch has been seted up to the both sides of lower injection tank, the bottom of lower bolster is provided with cooling body, one side of lower bolster is provided with the buckle.

As a preferable technical scheme of the utility model, the upper template is connected with the lower template through a hinge.

As a preferable technical scheme of the utility model, the pressurizing tanks are divided into two groups, and are arranged at the top of the upper injection molding tank.

As a preferable technical scheme of the utility model, the top of the pressurizing block is provided with a connecting hole, and the pressurizing block is connected with the screw rod through the connecting hole.

As a preferable technical scheme of the utility model, the protruding columns and the notches are respectively arranged in four groups, and the protruding columns and the notches are correspondingly arranged.

As a preferable technical scheme of the utility model, the cooling mechanism comprises a cooling plate, wherein a serpentine cooling pipe is arranged in the middle of the cooling plate, and two ends of the serpentine cooling pipe are respectively provided with a liquid inlet and a liquid outlet.

Compared with the prior art, the utility model provides the earphone shell injection mold, which has the following beneficial effects:

1. this earphone shell injection mold carries out swing joint through setting up the hinge with cope match-plate pattern and lower bolster, and simultaneously when the mould closes, the projection is embedded with the correspondence of notch, has ensured the accuracy of mould laminating, utilizes the fastener to carry out the inseparable laminating of mould, has avoided loaded down with trivial details operation step, simple structure is high-efficient, simple operation.

2. Through seting up the air vent in one side of booster tank, when moulding plastics, the air vent balances the inside atmospheric pressure of mould, has ensured in the complete injection mould of material, and the lower mould bottom is provided with the cooling plate simultaneously, finishes the back of moulding plastics, through the inside coolant liquid that carries of inlet to snakelike cooling tube for this mould can accelerate the cooling solidification of liquid plastic, promotes the efficiency of earphone shell production.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic perspective view of the present utility model;

FIG. 3 is a top view of the present utility model;

FIG. 4 is a schematic view of the internal structure of the cooling plate

In the figure: 1. an upper template; 2. a hinge; 3. a pressurizing tank; 4. an air guide hole; 5. a bracket; 6. a screw; 7. pressurizing the block; 8. fixing the column; 9. an upper injection molding groove; 10. a convex column; 11. a lower template; 12. a lower injection molding groove; 13. a one-way injection valve; 14. a notch; 15. a cooling mechanism; 16. a buckle; 17. a cooling plate; 18. serpentine cooling tube; 19. a liquid inlet; 20. a liquid outlet; 21. and a connection hole.

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.

Referring to fig. 1 to 3, in the present embodiment: the utility model provides an earphone shell injection mold, including cope match-plate pattern 1, one side of cope match-plate pattern 1 is provided with hinge 2, supercharging groove 3 has been seted up at the top of cope match-plate pattern 1, the air vent 4 has been seted up to supercharging groove 3 inside one side, the inside internal pressure of balanced mould is favorable to the injection of material, be provided with support 5 on supercharging groove 3, support 5 middle part is provided with screw rod 6, pressurizing piece 7 has been placed to screw rod 6 below, the opposite side of cope match-plate pattern 1 is provided with fixed column 8, cope match-plate pattern 1's middle part symmetry has been seted up and has been moulded plastics groove 9, the both sides of upper injection groove 9 are provided with projection 10, the below of cope match-plate pattern 1 is provided with lower bolster 11, lower injection groove 12 has been seted up on the top surface of lower bolster 11, the front end of lower injection groove 12 is provided with unidirectional injection valve 13, notch 14 has been seted up to the both sides of lower bolster 12, the bottom of lower bolster 11 is provided with cooling body 15, one side of lower bolster 11 is provided with buckle 16.

In the embodiment, an upper template 1 is connected with a lower template 11 through a hinge 2; the pressurizing grooves 3 are divided into two groups and are arranged at the top of the upper injection molding groove 9; the top of the pressurizing block 7 is provided with a connecting hole 21, and the pressurizing block 7 is connected with the screw rod 6 through the connecting hole 21; the convex columns 10 and the concave openings 14 are respectively four groups, and the convex columns 10 and the concave openings 14 are correspondingly arranged; the cooling mechanism 15 comprises a cooling plate 17 for rapidly cooling the die, a serpentine cooling pipe 18 is arranged in the middle of the cooling plate 17, and liquid inlets 19 and liquid outlets 20 are respectively arranged at two ends of the serpentine cooling pipe 18.

According to the working principle and the use flow of the earphone shell, the convex columns 10 on the upper template 1 and the concave grooves 14 on the lower template 11 of a worker are correspondingly embedded, the upper template 1 and the lower template 11 are attached, the rotary buckle 16 is clamped with the upper fixing columns 8, the upper template 1 is fastened, loosening is prevented, meanwhile, the screw rod 6 is screwed, the pressurizing block 7 moves upwards, the air guide holes 4 are exposed, liquid plastic is injected into an injection groove through the one-way injection valve 13, then the screw rod 6 is rotated to drive the pressurizing block 7 to move towards the bottom of the pressurizing groove 3, when the top of the pressurizing block 7 is level with the top of the upper template 1, the pressurizing block 7 is just positioned at the notch of the pressurizing groove 3, so that the liquid plastic in the injection groove is attached to an inner cavity formed, the density of the earphone shell is increased, after injection molding is finished, cooling liquid is conveyed into the serpentine cooling pipe 18 through the liquid inlet 19, the mold can accelerate cooling and solidification of the liquid plastic, and the production efficiency of the earphone shell is improved.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An earphone shell injection mold, its characterized in that: including cope match-plate pattern (1), one side of cope match-plate pattern (1) is provided with hinge (2), pressurized tank (3) have been seted up at the top of cope match-plate pattern (1), air vent (4) have been seted up to the inside one side of pressurized tank (3), be provided with support (5) on pressurized tank (3), support (5) middle part is provided with screw rod (6), supercharging block (7) have been placed to screw rod (6) below, the opposite side of cope match-plate pattern (1) is provided with fixed column (8), go up injection tank (9) have been seted up to the middle part symmetry of cope match-plate pattern (1), the both sides of going up injection tank (9) are provided with projection (10), the below of cope match-plate pattern (1) is provided with lower bolster (11), lower injection tank (12) have been seted up on the top surface of lower bolster (11), the front end of lower injection tank (12) is provided with one-way injection valve (13), notch (14) have been seted up to the both sides of lower injection tank (12), the bottom of lower bolster (11) is provided with cooling body (15), one side has been provided with lower template (16).

2. The earphone housing injection mold of claim 1, wherein: the upper template (1) is connected with the lower template (11) through a hinge (2).

3. The earphone housing injection mold of claim 1, wherein: the pressurizing grooves (3) are divided into two groups, and are arranged at the top of the upper injection molding groove (9).

4. The earphone housing injection mold of claim 1, wherein: the top of the pressurizing block (7) is provided with a connecting hole (21), and the pressurizing block (7) is connected with the screw rod (6) through the connecting hole (21).

5. The earphone housing injection mold of claim 1, wherein: the convex columns (10) and the concave grooves (14) are respectively in four groups, and the convex columns (10) and the concave grooves (14) are correspondingly arranged.

6. The earphone housing injection mold of claim 5, wherein: the cooling mechanism (15) comprises a cooling plate (17), wherein a serpentine cooling pipe (18) is arranged in the middle of the cooling plate (17), and two ends of the serpentine cooling pipe (18) are respectively provided with a liquid inlet (19) and a liquid outlet (20).