CN210670565U

CN210670565U - Mould is used in processing of earphone vibrations diaphragm convenient to preheat

Info

Publication number: CN210670565U
Application number: CN201922108579.4U
Authority: CN
Inventors: 刘云; 焦非易; 孙斌
Original assignee: Dongguan Jinboyu Rubber & Plastic Hardware Co ltd
Current assignee: Dongguan Jinboyu Rubber & Plastic Hardware Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-06-02
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a mould is used in processing of earphone vibrations diaphragm convenient to preheat, including the mould board, the mould board includes mould and bed die, the last type groove of moulding of having seted up of bed die, mould the inslot bottom fixedly connected with metal conducting strip, the type ring is moulded to fixedly connected with on the metal conducting strip, mould the type ring and include inner ring piece and outer loop piece, mould the type tank bottom gas chamber has been seted up on the bed die, the bottom is provided with control mechanism in the gas chamber, is located between inner ring piece and the outer loop piece a plurality of gas outlets have been seted up on the metal conducting strip, be provided with gas accuse mechanism in the gas outlet. The utility model discloses, when needs carry out the drawing of patterns, through spring, conflict piece, trigger post, conflict ring sum gangbar effect, make the sealing ring that is in the type groove bottom of moulding shift up and realize the preliminary drawing of patterns to the diaphragm, under the warm braw effect of gas outlet, realize the drawing of patterns once more to the diaphragm to the realization is to the effective drawing of patterns of diaphragm.

Description

Mould is used in processing of earphone vibrations diaphragm convenient to preheat

Technical Field

The utility model relates to a diaphragm mold processing technical field especially relates to earphone vibrations mould for diaphragm processing convenient to preheat.

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 for manufacturing a molded article, the tool is composed of various parts, different molds are composed of different parts, the processing of the shape of the article is realized mainly by changing the physical state of the molded material, the mold is called as an industrial female, and generally comprises a movable mold and a fixed mold (or a male mold and a female mold), the movable mold and the fixed mold can be separated and combined, a workpiece is taken out when the movable mold is separated, and a blank is injected into a mold cavity for molding when the movable mold is combined.

The processing mode of current earphone vibrations diaphragm goes on through the mode of moulding plastics, it is through setting up earphone vibrations diaphragm type on the bed die, the mouth of moulding plastics has been seted up through last mould, through carrying out the compound die with last mould and bed die, mould plastics to it through the device of moulding plastics and produce, need preheat it in carrying out production process to earphone vibrations diaphragm, current preheating mode effect is not good, furthermore, because the film has the compliance, can depend on in processing chamber bottom, need carry out very inconvenience when drawing of patterns to it after the completion of moulding plastics, the speed of production has been influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defect that the existing earphone vibrating diaphragm is difficult to demould in the demoulding process, and providing the mould for processing the earphone vibrating diaphragm convenient to preheat.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

mould is used in processing of earphone vibrations diaphragm convenient to preheat, including the mould board, the mould board includes mould and bed die, the type groove has been seted up on the bed die, the bottom fixedly connected with metal conducting strip in the type groove of moulding, the last fixedly connected with of metal conducting strip moulds the type ring, mould the type ring and include inner ring piece and outer loop piece, mould the type tank bottom gas chamber has been seted up on the bed die, the bottom is provided with control mechanism in the gas chamber, is located between inner ring piece and the outer loop piece a plurality of gas outlets have been seted up on the metal conducting strip, be provided with gas accuse mechanism in the gas outlet.

Preferably, the control mechanism includes a fixed column fixedly connected to the bottom in the gas cavity, a T-shaped groove is formed in the fixed column, a contact block is slidably connected to the inner side wall of the T-shaped groove, a trigger column is fixedly connected to the contact block, a connector penetrating through the side wall is formed in the top of the gas cavity and located at the position of the trigger column, a circular groove is formed in the side wall of the connector, and the trigger column penetrates through the connector to extend outwards and is connected with a contact ring.

Preferably, the air control mechanism comprises an air vent arranged in the air cavity, the inner side wall of the air vent is connected with an air connector, and the air connector is fixedly connected with an air pipe.

Preferably, the gas outlet inside wall has been seted up the ring groove, be provided with the sealing ring in the ring groove, sealing ring bottom fixedly connected with sealing post, sealing post passes through the gangbar and is connected with the post that triggers.

Preferably, the bottom of the contact block is connected with the bottom of the T-shaped groove through a spring.

Preferably, the inner side wall of the connecting port is provided with a sealing ring, and the sealing ring is sleeved on the outer side wall of the trigger column.

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

1. through seting up the gas chamber bottom the bed die, under the heating installation effect, tentatively preheat moulding the type groove through the metal conducting strip, through seting up the gas outlet on the gas chamber, just carry out the secondary through the sealing ring effect messenger and preheat moulding the type to the realization is with effectively preheating of moulding the type groove to processing.

2. When needs carry out the drawing of patterns, through spring, conflict piece, trigger post, conflict ring sum gangbar effect, make the sealing ring that is in moulding the tank bottom portion shift up and realize the preliminary drawing of patterns to the diaphragm, under the warm braw effect of gas outlet, realize drawing of patterns once more to the diaphragm to the realization is to the effective drawing of patterns of diaphragm.

Drawings

Fig. 1 is a schematic structural view of the die for processing the earphone vibration diaphragm convenient for preheating provided by the utility model;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is the utility model provides a lower mould overlook the schematic structure view in the earphone vibrations mould for diaphragm processing convenient to preheat.

In the figure: the device comprises an upper die 1, a lower die 2, a plastic groove 3, a metal heat conducting sheet 4, an inner ring block 5, an outer ring block 6, a gas cavity 7, a fixed column 8, a contact block 9, a trigger column 10, a contact ring 11, a vent hole 12, a gas joint 13, a sealing ring 14, a sealing column 15 and a linkage rod 16.

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.

Referring to fig. 1-3, a mold for processing a vibration diaphragm of an earphone convenient for preheating comprises a mold plate, the mold plate comprises an upper mold 1 and a lower mold 2, an injection port is arranged on the upper mold 1 and connected with an injection molding device, a molding groove 3 is arranged on the lower mold 2, a metal heat conducting strip 4 is fixedly connected at the bottom of the molding groove 3, the metal heat conducting strip 4 is circular and used for transmitting warm air temperature in a gas cavity 7 into a mold cavity to realize preheating of the mold, a molding ring is fixedly connected on the metal heat conducting strip 4 and can be matched with a film structure of the vibration diaphragm of the earphone, the molding ring comprises an inner ring block 5 and an outer ring block 6, a gas cavity 7 is arranged at the bottom of the molding groove 3, the gas cavity 7 is positioned in the lower mold 2, a control mechanism is arranged at the bottom of the gas cavity 7, a plurality of gas outlets are arranged on the metal strip 4 positioned between the inner ring block 5 and the outer ring block 6, an air control mechanism is arranged in the air outlet.

Further, control mechanism includes fixed column 8 of fixed connection bottom in gas chamber 7, T type bottom of the groove portion fixedly connected with spring in the fixed column 8, the spring is when conflict piece 9 is located the bottom, produce thrust to it, make its reply, T type groove has been seted up on fixed column 8, T type inslot lateral wall sliding connection has conflict piece 9, fixedly connected with triggers post 10 on the conflict piece 9, the connector that runs through the lateral wall is seted up at the gas chamber 7 top that is located trigger post 10 department, the circular slot has been seted up to the connector lateral wall, keep in to conflict ring 11 through the circular slot, trigger post 10 runs through the connector and outwards extends and is connected with conflict ring 11, its conflict ring 11 and circular slot phase-match.

Further, air control mechanism is including seting up air vent 12 in gas chamber 7, and air vent 12 inside wall is connected with gas connection 13, and it is prior art for gas connection 13, does not do here and gives unnecessary details, and gas connection 13 fixedly connected with trachea, a plurality of trachea are connected with same electric fan heater, and the electric fan heater adopts ASCARI brand model, establishes the trunk line at its output cover, through the electric fan heater effect, utilizes trunk line connecting pipe to blow the warm braw to the gas intracavity and heats.

Further, the circular groove has been seted up to the gas outlet inside wall, is provided with sealing ring 14 in the circular groove, and sealing ring 14 bottom fixedly connected with seals post 15, and seals post 15 is far less than the diameter of gas outlet, and seals post 15 is connected with trigger post 10 through gangbar 16, and sealing ring 14 and circular groove phase-match, sealing ring 14 bottom are the rubber material, and its effect is plugged up the gas outlet.

Further, the bottom of the abutting block 9 is connected with the bottom of the T-shaped groove through a spring, the spring is in the prior art and is not described in detail herein, and the spring plays a role in restoring.

Furthermore, a sealing ring is arranged on the inner side wall of the connecting port, the sealing ring is sleeved on the outer side wall of the trigger column 10, and gas in the gas cavity 7 cannot leak out through the sealing ring.

In the utility model

By connecting the air pipe on the air connector 13 with the fan heater, when a mold for processing the vibrating diaphragm of the earphone is required to be heated, the fan heater is started to enable hot air blown by the fan heater to enter the air cavity 7 through the vent hole 12, so that the air in the air cavity 7 is heated, the bottom of the molding groove 3 is heated under the action of the metal heat conducting sheet 4, the air can leak outwards from the air outlet in the continuous entering process, and the leaked air can heat the side wall of the molding groove 3 under the blocking of the sealing ring 14, so that the molding groove 3 for processing and manufacturing the vibrating diaphragm of the earphone is preheated;

in one step, the upper die 1 is driven to move downwards by a machine, the upper die 1 firstly collides with a contact ring 11 positioned on the lower die 2 in the continuous downward movement process to enable the contact ring 11 to move downwards, a trigger post 10 fixedly connected with the contact ring 11 is driven to move downwards in the downward movement process of the contact ring 11, a sealing post 15 connected with the trigger post 10 through a linkage rod 16 moves downwards to enable a sealing ring 14 connected with the sealing post to move downwards, and an air outlet is sealed to ensure the sealing of a plastic groove 3 when the upper die 1 and the lower die 2 are matched for injection molding, so that the injection molding can be completed;

accomplish the dry back of diaphragm at the completion of moulding plastics, will go up mould 1 and move, move up at last mould 1 and make the conflict ring 11 that is contradicted by it and move up under the spring action, sealing ring 14 who is connected through gangbar 16 with triggering post 10 can move up, earphone vibrations diaphragm that sealing ring 14 can contradict and make and mould type inslot 3 bottom separation, thereby realize preliminary drawing of patterns, it can make the earphone vibrations diaphragm of making shift up under the effect of heating installation to leak at the intraoral heating installation of sealing ring 14 removal back gas outlet, make it completely with mould type groove 3 and separate, thereby realize the drawing of patterns to earphone vibrations diaphragm, furthermore, still can preheat moulding type groove 3 through the warm braw.

The above, 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

1. Mould is used in processing of earphone vibrations diaphragm convenient to preheat, including the mould board, its characterized in that, the mould board includes mould (1) and bed die (2), mould type groove (3) have been seted up on bed die (2), mould bottom fixedly connected with metal conducting strip (4) in type groove (3), fixedly connected with moulds the type ring on metal conducting strip (4), mould the type ring and include inner ring piece (5) and outer loop piece (6), be located mould type groove (3) bottom seted up gaseous chamber (7) on bed die (2), the bottom is provided with control mechanism in gaseous chamber (7), is located between inner ring piece (5) and outer loop piece (6) a plurality of gas outlets have been seted up on metal conducting strip (4), be provided with gas accuse mechanism in the gas outlet.

2. The die for processing the earphone vibration diaphragm convenient to preheat as claimed in claim 1, wherein the control mechanism comprises a fixed column (8) fixedly connected to the bottom in the gas cavity (7), a T-shaped groove is formed in the fixed column (8), a contact block (9) is slidably connected to the inner side wall of the T-shaped groove, a trigger column (10) is fixedly connected to the contact block (9), a connector penetrating through the side wall is formed at the top of the gas cavity (7) at the position of the trigger column (10), a circular groove is formed in the side wall of the connector, and the trigger column (10) extends outwards through the connector and is connected with a contact ring (11).

3. The die convenient for preheating and used for processing the earphone vibration diaphragm according to claim 1, wherein the air control mechanism comprises a vent hole (12) formed in the air cavity (7), the inner side wall of the vent hole (12) is connected with an air connector (13), and the air connector (13) is fixedly connected with an air pipe.

4. The die convenient for preheating and used for processing the earphone vibration diaphragm as claimed in claim 2, wherein an annular groove is formed in the inner side wall of the air outlet, a sealing ring (14) is arranged in the annular groove, a sealing column (15) is fixedly connected to the bottom of the sealing ring (14), and the sealing column (15) is connected with the trigger column (10) through a linkage rod (16).

5. The die for processing the earphone vibration diaphragm convenient to preheat as claimed in claim 2, wherein the bottom of the contact block (9) is connected with the bottom of the T-shaped groove through a spring.

6. The die for processing the earphone vibration diaphragm convenient to preheat as claimed in claim 2, wherein a sealing ring is arranged on the inner side wall of the connecting port, and the sealing ring is sleeved on the outer side wall of the trigger column (10).