CN217514426U

CN217514426U - Dual-mold kernel combined die for upper shell and lower shell of microphone

Info

Publication number: CN217514426U
Application number: CN202123226786.3U
Authority: CN
Inventors: 石斌; 张松
Original assignee: Kunshan Pinjun Precision Plastic Co ltd
Current assignee: Kunshan Pinjun Precision Plastic Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-09-30
Anticipated expiration: 2031-12-21

Abstract

The utility model relates to a casing bimodulus benevolence assembling die about microphone, which comprises a pane, mouth of a river push pedal, the cope match-plate pattern, lower bolster and ejection mechanism, be equipped with the merciful and peaceful second mould benevolence of first mould of two looks isostructures between cope match-plate pattern and the lower bolster, be equipped with the sprue in the mouth of a river push pedal, the sprue lower extreme is equipped with first minute runner and second minute runner respectively, first minute runner and second minute runner lower extreme all are equipped with the corresponding runner of advancing with it, first mould benevolence is including last mould benevolence and lower mould benevolence, it is formed with a plurality of shaping chambeies to go up between mould benevolence and the lower mould benevolence, the shaping intracavity is equipped with the core, lower mould benevolence lower extreme is equipped with drawing of patterns ejector pin and lower ejector pin. The utility model has the advantages that: the split design of the mold core in the molding cavity is utilized, so that the demolding after injection molding is smoother, the complex operation of manual auxiliary demolding due to the fact that the demolding is not smooth is avoided, and the production efficiency is effectively improved by the aid of the structure with one mold core and four mold cores.

Description

Dual-mold kernel combined die for upper shell and lower shell of microphone

Technical Field

The utility model relates to an injection mold field, concretely relates to be a casing bimodulus benevolence assembling die about microphone.

Background

The Bluetooth earphone applies the Bluetooth technology to a hands-free earphone, so that a user can avoid annoying wire stumbling and can easily talk freely in various modes, the Bluetooth earphone is deeply favored by mobile business families by virtue of a small and light in-ear structure, and the Bluetooth earphone is also a most widely applied talking device in daily life;

due to the structural characteristics of the Bluetooth headset, the shell of the Bluetooth headset combines the delicate design of a microphone and a receiver, particularly the shell part of the microphone is provided with a plurality of dense through holes, the production precision requirement is high, the appearance requirement is strict, and the shell is usually processed by an injection molding process and formed at one time;

the existing processing mold for the microphone shell of the Bluetooth headset is used for injection molding of a cavity formed by an upper mold core and a lower mold core in the mold, the unfavorable condition that the microphone shell is not smoothly separated from the molding cavity is easily caused during demolding, the demolding is assisted by manpower, the production labor cost is increased, and the production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: a dual-mold core assembly for upper and lower shells of a microphone is provided to solve the above problems in the prior art.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a casing bimodulus benevolence assembling die about microphone, includes panel, mouth of a river push pedal, cope match-plate pattern, lower bolster and ejection mechanism, the cope match-plate pattern with be equipped with the merciful and peaceful second mould benevolence of two looks isostructures between the lower bolster, be equipped with the sprue in the mouth of a river push pedal, the sprue lower extreme is equipped with first minute runner and second branch runner respectively, first minute runner with the second divides the runner lower extreme all to be equipped with corresponding runner into, first mould benevolence includes mould benevolence and lower mould benevolence, go up mould benevolence with be formed with a plurality of shaping chambeies between the lower mould benevolence, the shaping intracavity is equipped with the core, lower mould benevolence lower extreme is equipped with drawing of patterns ejector pin and lower ejector pin.

Preferably, the first sub-runner and the second sub-runner are respectively connected with the first mold core and the second mold core.

Preferably, a plurality of the molding cavity is of a four-out structure, the mold core and the molding cavity are of a detachable structure, the mold core is connected with the pouring inlet, and the lower end of the molding cavity is connected with the upper end of the demolding ejector rod in an embedded mode.

Preferably, the upper end of the main flow passage is provided with a sprue, the upper end of the sprue is provided with a water gap connected with the sprue, and the water gap is positioned on the panel.

Preferably, the ejection mechanism comprises a bottom plate, an ejector plate and a stripper plate are sequentially arranged at the upper end of the bottom plate, and return spring guide pillars are arranged on two sides of the ejector plate.

Preferably, the lower end of the demoulding ejector rod is fixedly connected with the demoulding plate.

Preferably, the lower ejector rod penetrates through the stripper plate and the ejector plate respectively, and the lower end of the lower ejector rod is fixedly connected with the ejector plate.

The utility model has the advantages that: the utility model provides a casing bimodulus benevolence assembling die about microphone, utilizes the disconnect-type design of shaping intracavity core, can make injection moulding back drawing of patterns more smooth and easy, has avoided because of the drawing of patterns is smooth and easy to need the loaded down with trivial details operation of artifical supplementary drawing of patterns in addition to with the structure of four, effectively improve production efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall cross-sectional structure of the present invention;

FIG. 3 is a schematic view of a partial structure of the present invention;

fig. 4 is another partial structural schematic view of the present invention;

fig. 5 is a schematic structural view of the lower mold core of the present invention.

In the figure: the method comprises the following steps of 1-panel, 2-nozzle push plate, 3-upper template, 4-lower template, 5-ejection mechanism, 51-bottom plate, 52-ejector plate, 53-stripper plate, 54-return spring guide post, 6-first mold core, 61-upper mold core, 62-lower mold core, 63-forming cavity, 64-mold core, 7-second mold core, 8-main runner, 9-first branch runner, 10-second branch runner, 11-inlet gate, 12-stripper ejector rod, 13-lower ejector rod, 14-squirt nozzle and 15-nozzle.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1-5, a dual-mold core combined mold for upper and lower shells of a microphone comprises a panel 1, a nozzle push plate 2, an upper mold plate 3, a lower mold plate 4 and an ejection mechanism 5, wherein a first mold core 6 and a second mold core 7 with the same structure are arranged between the upper mold plate 3 and the lower mold plate 4, a main runner 8 is arranged in the nozzle push plate 2, a first branch runner 9 and a second branch runner 10 are respectively arranged at the lower end of the main runner 8, inlet gates 11 corresponding to the first branch runner 9 and the second branch runner 10 are respectively arranged at the lower ends of the first branch runner 9 and the second branch runner 10, raw materials respectively flow into the first branch runner 9 and the second branch runner 8 through the main runner 8 and flow into the first mold core 6 and the second mold core 7 through the inlet gates 11, the first mold core 6 comprises an upper mold core 61 and a lower mold core 62, a plurality of molding cavities 63 are formed between the upper mold core 61 and the lower mold core 62, mold cores 64 are arranged in the molding cavities 63, the raw materials respectively flow into the plurality of mold cores 64 through the inlet gates 11, the lower end of the lower die core 62 is provided with a demoulding ejector rod 12 and a lower ejector rod 13, the upper die core 61 is ejected out through the lower ejector rod 13, and the demoulding ejector rod 12 is used for ejecting a product out of the forming cavity 63 for demoulding.

The first sub-runner 9 and the second sub-runner 10 are respectively connected with the first mold core 6 and the second mold core 7, and are used for shunting the raw material, so that the raw material smoothly flows into the first mold core 6 and the second mold core 7.

A plurality of shaping chamber 63 are one and go out four structures, and core 64 and shaping chamber 63 are detachable construction, and a plurality of cores 64 all are connected with into runner 11, but four products of one shot forming, and shaping chamber 63 lower extreme is inlayed with drawing of patterns ejector pin 12 upper end and is connected for the product drawing of patterns.

The upper end of the main flow passage 8 is provided with a sprue bushing 14, the upper end of the sprue bushing 14 is provided with a water gap 15 connected with the sprue bushing, the water gap 15 is positioned on the panel 1, and the raw material flows to the sprue bushing 14 after being injected through the water gap 15.

The ejection mechanism 5 comprises a bottom plate 51, an ejector plate 52 and a stripper plate 53 are sequentially arranged at the upper end of the bottom plate 51, return spring guide posts 54 are arranged on two sides of the ejector plate 52, the upper template 3 is ejected by the ejector plate 52 to be separated from the lower template 4, and a product is ejected out of a forming cavity 63 by the stripper plate 53 for demoulding.

The lower end of the demoulding ejector rod 12 is fixedly connected with the demoulding plate 53, and the demoulding plate 53 drives the demoulding ejector rod 12 to move upwards together when being jacked upwards.

The lower ejector rods 13 respectively penetrate through the stripping plate 53 and the ejector plate 52, the lower ends of the lower ejector rods 13 are fixedly connected with the ejector plate 52, and the lower ejector rods 13 are driven to jack the upper template 2 through the upward movement of the ejector plate 52.

Raw materials enter a sprue bushing 14 from a water gap 15, are divided into a first branch runner 9 and a second branch runner 10 through a main runner 8, then enter a first mold core 6 and a second mold core 7 through a sprue inlet 11, and the sprue inlet 11 corresponds to four molding cavities 63 respectively; after the product is formed, the ejector plate 52 in the ejection mechanism 5 drives the lower ejector rod 13 to jack the upper template 3 up for opening the mold, and then the stripper plate 53 continues to jack up upwards to drive the stripper ejector rod 12 to eject the product out of the forming cavity, and the product is taken out.

The above examples are provided to further illustrate the present invention, but do not limit the present invention to these specific embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be understood to be within the protection scope of the present invention.

Claims

1. The utility model provides a double-module benevolence assembling die of upper and lower casing of microphone which characterized in that: comprises a panel (1), a water gap push plate (2), an upper template (3), a lower template (4) and an ejection mechanism (5), a first mold core (6) and a second mold core (7) which have the same structure are arranged between the upper template (3) and the lower template (4), a main runner (8) is arranged in the water gap push plate (2), a first sub-runner (9) and a second sub-runner (10) are respectively arranged at the lower end of the main runner (8), the lower ends of the first branch runner (9) and the second branch runner (10) are respectively provided with a gate inlet (11) corresponding to the first branch runner and the second branch runner, the first mold core (6) comprises an upper mold core (61) and a lower mold core (62), a plurality of molding cavities (63) are formed between the upper die core (61) and the lower die core (62), a mold core (64) is arranged in the molding cavity (63), and a demolding ejector rod (12) and a lower ejector rod (13) are arranged at the lower end of the lower mold core (62).

2. The dual-mold core assembly for the upper and lower shells of the microphone as claimed in claim 1, wherein: the first branch flow passage (9) and the second branch flow passage (10) are respectively connected with the first die core (6) and the second die core (7).

3. The dual-mold core assembly for the upper and lower shells of the microphone as claimed in claim 1, wherein: the multiple molding cavities (63) are of four-out-of-one structures, the mold cores (64) and the molding cavities (63) are of detachable structures, the mold cores (64) are connected with the sprue inlet (11), and the lower ends of the molding cavities (63) are connected with the upper end of the demolding ejector rod (12) in an embedded mode.

4. The dual-mold core assembly for the upper and lower shells of the microphone as claimed in claim 1, wherein: sprue bushing (14) is equipped with in sprue bushing (8) upper end, sprue bushing (14) upper end is equipped with mouth of a river (15) that is connected with it, mouth of a river (15) are located on panel (1).

5. The dual-mold core assembly for the upper and lower shells of the microphone as claimed in claim 1, wherein: the ejection mechanism (5) comprises a bottom plate (51), an ejector plate (52) and a stripper plate (53) are sequentially arranged at the upper end of the bottom plate (51), and return spring guide posts (54) are arranged on two sides of the ejector plate (52).

6. The dual-mold core assembly for the upper and lower shells of the microphone as claimed in claim 1, wherein: the lower end of the demoulding ejector rod (12) is fixedly connected with the demoulding plate (53).

7. The dual-mold core assembly for the upper and lower shells of the microphone as claimed in claim 1, wherein: the lower ejector rod (13) penetrates through the stripping plate (53) and the ejector plate (52) respectively, and the lower end of the lower ejector rod (13) is fixedly connected with the ejector plate (52).