CN210190422U - Earphone shell production is with injection mold who prevents splash - Google Patents

Abstract

The utility model discloses an earphone shell production is with injection mold who prevents splash relates to injection mold technical field, the on-line screen storage device comprises a base, the telescopic link has all been welded in the top four corners of base, the top overlap joint of telescopic link has the movable mould, the top laminating of movable mould has movable mould board, movable mould board's top center department is equipped with the mouth of moulding plastics, the top center department of base is provided with the cover half, the indent has been seted up in the movable mould. This design is passed through constant head tank and locating piece and is sealed totally with whole injection molding chamber to make its connecting surface height have and be sent, like this when the stoste pours into the back into, will be in by the complete separation in the intracavity of moulding plastics, prevent that the stoste from getting into and moulding and meet cold suddenly behind the chamber, produce the splash phenomenon, also can prevent simultaneously that the stoste from flowing through the gap between die holder and the mould shell, cause the work piece to produce unnecessary leftover bits, still need carry out the deburring to the work piece in the later stage, cause the problem that manufacturing cost is high.

Description

Earphone shell production is with injection mold who prevents splash

Technical Field

The utility model relates to an injection mold technical field specifically is an earphone shell production is with injection mold who prevents splash.

Background

The earphone is good or bad in the actual use process, the quality of the earphone during processing and forming is mainly determined, and the earphone is subjected to punch forming through a stamping die in the processing and manufacturing process, and is subjected to injection molding through an injection mold in the processing and manufacturing process.

Traditional injection mold is at the actual in-process of moulding plastics, because injection mold lacks spacing and blocks the subassembly of stoste crossing current, leads to stoste to splash the phenomenon in the gap between its die holder and the mould shell, and then causes the influence to the shaping quality of earphone. Accordingly, one skilled in the art provides a splash-proof injection mold for producing a headphone housing to solve the above problems in the background art.

Disclosure of Invention

An object of the utility model is to provide an earphone shell production is with injection mold who prevents splash to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an earphone shell production is with injection mold who prevents splash, includes the base, the telescopic link has all been welded in the top four corners of base, the top overlap joint of telescopic link has the movable mould, the top laminating of movable mould has the movable mould board, the top center department of movable mould board is equipped with the mouth of moulding plastics, the top center department of base is provided with the cover half, the indent has been seted up in the movable mould, the intercommunication has the flow tube between mouth of moulding plastics and the indent.

As a further aspect of the present invention: the top both sides in indent have seted up the constant head tank, and the top both sides of cover half are equipped with corresponding locating piece, the top of cover half is located and has seted up the work piece groove between the locating piece.

As a further aspect of the present invention: half first shell has been seted up to one side in the top of cover half, half first shell's bottom is cut and is had the mounting groove, the pad pasting hole has been seted up to half first shell's bottom, annular spout has been seted up to half first shell's inner wall port department.

As a further aspect of the present invention: the annular sliding groove is welded with a first clamping block and a second clamping block, and the tail end of the annular sliding groove, which is located at the first half shell, is provided with a line exposing groove.

As a further aspect of the present invention: half shell of second has been seted up to the opposite side in the top of cover half, and the port department of half shell of second is equipped with annular slider, be equipped with first draw-in groove and second draw-in groove on the annular slider, be provided with the wiring end on the second circuit board, half shell of first shell and second all are located the work piece inslot, and the terminal surface height of half shell of first shell and second and the terminal surface in work piece groove are on same water flat line.

As a further aspect of the present invention: the film sticking holes are stuck with metal nets, and the diameters of gaps of the metal nets are not more than 0.1 mm.

Compared with the prior art, the beneficial effects of the utility model are that: the design completely seals the whole injection molding cavity through the positioning groove and the positioning block, and the height of the connecting surface is enabled to be consistent, so that after the stock solution is injected, the stock solution is completely blocked in the injection molding cavity, the phenomenon that the stock solution is suddenly cooled after entering the injection molding cavity and splashes is generated is prevented, meanwhile, the stock solution can be prevented from flowing out through a gap between the mold base and the mold shell, redundant leftover materials are generated on a workpiece, the workpiece is required to be trimmed at the later stage, and the problem of high manufacturing cost is caused, meanwhile, the earphone injection molding cavity is divided into two half cavities, compared with the traditional integrated injection molding, the problem that the corner cannot be filled when the stock solution is injected during injection, and the workpiece is damaged is prevented, meanwhile, two earphone shells are spliced through the clamping block and the clamping groove, so that the two earphone shells are integrated, the assembling problem of electronic components at the later stage is also facilitated, and meanwhile, the splicing seams of the two earphone, is favorable for preventing the entry of dust and the erosion of water vapor.

Drawings

FIG. 1 is a schematic structural view of a splash-proof injection mold for producing a headphone housing;

FIG. 2 is a schematic diagram of an internal structure of a splash-proof injection mold for producing a headphone housing;

fig. 3 is a schematic view of a fixed mold structure of a splash-proof injection mold for producing an earphone housing.

In the figure: 1. an injection molding port; 2. a telescopic rod; 3. a base; 4. moving the template; 5. moving the mold; 6. fixing a mold; 7. a flow tube; 8. positioning a groove; 9. pressing a groove; 10. positioning blocks; 11. a workpiece groove; 12. a first clamping block; 13. an annular chute; 14. a first half shell; 15. mounting grooves; 16. sticking a film hole; 17. exposing the wire slot; 18. a second half shell; 19. an annular slider; 20. a first card slot; 21. a second card slot; 22. and a second clamping block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-3, in the embodiment of the utility model provides an in the embodiment, an earphone shell production is with injection mold who prevents splash, including base 3, telescopic link 2 has all been welded in base 3's top four corners, and the top overlap joint of telescopic link 2 has movable mould 5, and movable mould 5's top laminating has movable mould board 4, and movable mould board 4's top center department is equipped with the mouth of moulding plastics 1, and base 3's top center department is provided with cover half 6, has seted up indent 9 in the movable mould 5, and the intercommunication has flow tube 7 between mouth of moulding plastics 1 and the indent 9.

Positioning grooves 8 are formed in two sides of the top of the pressing groove 9, corresponding positioning blocks 10 are arranged on two sides of the top of the fixed die 6, a workpiece groove 11 is formed in the top of the fixed die 6 between the positioning blocks 10, and the positioning grooves 8 are embedded with the positioning blocks 10 to form a closed space to prevent splashing;

a first half shell 14 is arranged on one inner side of the top of the fixed die 6, a mounting groove 15 is cut at the bottom end of the first half shell 14, a film pasting hole 16 is arranged at the bottom end of the first half shell 14, an annular sliding groove 13 is arranged at the inner wall port of the first half shell 14, the first half shell 14 is a half shell of the earphone, the film pasting hole 16 is used for sound production, and the annular sliding groove 13 is used for embedding with an annular sliding block 19, so that connecting seams are not on the same plane;

a first fixture block 12 and a second fixture block 22 are welded on the annular sliding groove 13, an exposed wire groove 17 is formed in the tail end, located at the first half shell 14, of the annular sliding groove 13, the first fixture block 12 and the second fixture block 22 are used for connecting the two half earphone shells, and the exposed wire groove 17 is used for installing earphone wires;

the other side in the top of the fixed die 6 is provided with a second half shell 18, a port of the second half shell 18 is provided with an annular sliding block 19, the annular sliding block 19 is provided with a first clamping groove 20 and a second clamping groove 21, the second half shell 18 is the other half earphone shell, the annular sliding block 19 is used for being embedded with the annular sliding groove 13, the first half shell 14 and the second half shell 18 are both positioned in the workpiece groove 11, the design mainly has the effect that injection molding liquid can uniformly fill the first half shell 14 and the second half shell 18, the height of the end faces of the first half shell 14 and the second half shell 18 and the end face of the workpiece groove 11 are on the same horizontal line, and the design ensures that connecting seams are not on the same plane, so that dust prevention is facilitated;

the metal mesh is attached to the film sticking hole 16, the diameter of a gap of the metal mesh is not larger than 0.1mm, and the metal mesh is used for blocking dust and earwax and preventing the dust from entering the film sticking hole 16 to pollute the earphone.

The utility model discloses a theory of operation is: when in use, the movable mold 5 and the fixed mold 6 are attached through the telescopic rod 2, the pressure groove 9 in the movable mold 5 covers the fixed mold 6, the positioning block 10 is embedded into the positioning groove 8, then injection molding liquid is introduced through the injection molding opening 1 and enters between the pressure groove 9 and the fixed mold 6 through the flow pipe 7, the injection molding liquid is filled in the first half shell 14 and the second half shell 18 in the workpiece groove 11 at the moment to complete injection molding, after the injection molding is completed, the telescopic rod 2 jacks up the movable mold 5 to realize a demolding procedure, earphone shells in the first half shell 14 and the second half shell 18 are taken out, the earphone shell in the second half shell 18 with the first clamping groove 20 and the second clamping groove 21 is covered on the earphone shell in the first half shell 14 with the first clamping block 12 and the second clamping block 22, force is applied to mutually enable the first clamping block 12 and the second clamping block 22 to be respectively embedded in the first clamping groove 20 and the second clamping groove 21, so that the two shells are mutually fixed, wherein mounting groove 15 is used for the electronic component of fixed earphone, and pad pasting hole 16 is used for the sound transmission, and the laminating has the metal mesh to be used for preventing dust simultaneously, and the groove 17 that exposes is used for the data line of installation earphone.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides an earphone shell production is with injection mold who prevents splash, includes base (3), its characterized in that, telescopic link (2) have all been welded in the top four corners of base (3), the top overlap joint of telescopic link (2) has movable mould (5), the top laminating of movable mould (5) has movable mould board (4), the top center department of movable mould board (4) is equipped with mouthful (1) of moulding plastics, the top center department of base (3) is provided with cover half (6), indent (9) have been seted up in movable mould (5), the intercommunication has flow tube (7) between mouthful (1) of moulding plastics and indent (9).

2. The anti-splashing injection mold for producing the earphone shell according to claim 1, wherein positioning grooves (8) are formed in two sides of the top of the pressing groove (9), corresponding positioning blocks (10) are arranged on two sides of the top of the fixed mold (6), and a workpiece groove (11) is formed in the position, located between the positioning blocks (10), of the top of the fixed mold (6).

3. The anti-splash injection mold for producing the earphone shell according to claim 2, wherein a first half shell (14) is opened at one side in the top of the fixed mold (6), a mounting groove (15) is cut at the bottom end of the first half shell (14), a film sticking hole (16) is opened at the bottom end of the first half shell (14), and an annular sliding groove (13) is opened at an inner wall port of the first half shell (14).

4. The anti-splashing injection mold for producing the earphone shell as claimed in claim 3, wherein the annular sliding groove (13) is welded with the first fixture block (12) and the second fixture block (22), and the annular sliding groove (13) is provided with an exposed groove (17) at the tail end of the first half shell (14).

5. The earphone shell production is with injection mold who prevents splash according to claim 3, characterized in that, second half shell (18) has been seted up to the other side in the top of cover half (6), and the port department of second half shell (18) is equipped with annular slider (19), be equipped with first draw-in groove (20) and second draw-in groove (21) on annular slider (19), first half shell (14) and second half shell (18) all are located work piece groove (11), and the terminal surface height of first half shell (14) and second half shell (18) and the terminal surface of work piece groove (11) are on same horizontal line.

6. The anti-splashing injection mold for producing the earphone shell as claimed in claim 3, wherein the film sticking hole (16) is stuck with a metal net, and the diameter of a gap of the metal net is not more than 0.1 mm.

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