CN217967925U - Sound box upper shell mold - Google Patents

Abstract

The utility model provides a loudspeaker box upper shell mould, which comprises a front mould component, a front mould core, a rear mould core and a rear mould component; the rear mold core comprises a first part, a second part and a third part which are mutually spliced; the first part is provided with an embedded block used for forming a loudspeaker box key hole, and the embedded block is provided with a first type thimble and a second type thimble. Because the insert is embedded in the rear mold core, the insert is convenient to form the shape of the key hole of the upper casing of the sound box, the first type of ejector pins and the second ejector pins eject the key hole of the upper casing of the sound box together in the process of ejecting the upper casing of the sound box from the rear mold core, the key hole is convenient to be separated from the rear mold core, and the quality of the upper casing of the sound box after demolding is ensured.

Description

Sound box upper shell mould

Technical Field

The utility model belongs to the technical field of the mould and specifically relates to audio amplifier epitheca mould.

Background

With the improvement of living standard, more and more people have configured the audio amplifier in oneself family to make things convenient for seeing the shadow or listening to the music. The loudspeaker box shell is one of the main parts of the loudspeaker box, the existing strip-shaped loudspeaker box is provided with a key hole on the loudspeaker box upper shell, the shape of the key hole is complex, demoulding is not easy to occur during forming, and the quality is poor after demoulding.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least.

The utility model provides a loudspeaker box upper shell mould, which comprises a front mould component, a front mould core, a rear mould core and a rear mould component; the rear mold core comprises a first part, a second part and a third part which are mutually spliced; the first part is provided with an embedded block used for forming a loudspeaker box key hole, and the embedded block is provided with a first type thimble and a second type thimble.

According to some embodiments of the utility model, one side of back mould benevolence is provided with the slider, is provided with the shaping portion on the slider, the shaping portion passes the lateral wall of back mould benevolence participates in the shaping.

According to some embodiments of the invention, the forming portion comprises a planar forming portion and a first arc forming portion.

According to some embodiments of the present invention, the third portion is provided with a second arc-shaped forming portion, the second arc-shaped forming portion is smoothly connected with the first arc-shaped forming portion.

According to the utility model discloses a some embodiments, be provided with spacing arch on the front mould benevolence, be provided with on the back mould benevolence with spacing recess of spacing protruding assorted.

According to some embodiments of the present invention, four glue inlets are provided on the rear mold core.

According to the utility model discloses a few embodiments, four it sets up on same axis and adjacent to advance gluey mouthful the interval of advancing gluey mouthful equals.

The utility model discloses at least, following technological effect has:

1. the utility model discloses audio amplifier epitheca mould has inlayed the abaculus on the back mould benevolence, and the abaculus makes things convenient for the shaping to go out the shape of audio amplifier epitheca key hole department, and the key hole department of first type thimble and second thimble ejecting audio amplifier epitheca together is pushing up the audio amplifier epitheca from back mould benevolence in-process, makes things convenient for key hole department to break away from back mould benevolence, guarantees the quality of drawing of patterns back audio amplifier epitheca.

2. The utility model discloses audio amplifier epitheca mould, back mould benevolence are formed by first portion, second portion and the mutual concatenation of third portion, make the manufacturing degree of difficulty greatly reduced of back mould benevolence like this.

Drawings

Fig. 1 is an overall schematic view of an embodiment of the present invention;

fig. 2 is an exploded view of an embodiment of the present invention;

fig. 3 is a schematic view of a rear mold core according to an embodiment of the present invention;

fig. 4 is a schematic diagram of a slider according to an embodiment of the present invention.

Reference numerals: the front mold comprises a front mold component 100, a front mold core 200, a limiting protrusion 210, a rear mold core 300, a first part 310, an insert 311, a first thimble 312, a second thimble 313, a second part 320, a third part 330, a second arc-shaped forming part 331, a limiting groove 340, a glue inlet 350, a rear mold component 400, a sliding block 500, a forming part 510, a plane forming part 511 and a first arc-shaped forming part 512.

Detailed Description

The following description is provided with reference to the accompanying drawings to assist in a comprehensive understanding of various embodiments of the disclosure as defined by the claims and their equivalents. The description includes various specific details to aid understanding, but such details are to be regarded as exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the various embodiments described herein can be made without departing from the scope and spirit of the present disclosure. Moreover, descriptions of well-known functions and constructions may be omitted for clarity and conciseness.

The terms and words used in the following description and claims are not limited to the literal meanings, but are used merely by the utility model to enable a clear and consistent understanding of the disclosure. Accordingly, it will be apparent to those skilled in the art that the following descriptions of the various embodiments of the present disclosure are provided for illustration only and not for the purpose of limiting the disclosure as defined by the appended claims and their equivalents.

It is to be understood that the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to "a component surface" includes reference to one or more of such surfaces.

The terms "having," "may have," "including," or "may include" used in various embodiments of the present disclosure indicate the presence of the respective functions, operations, elements, etc., disclosed, but do not limit additional one or more functions, operations, elements, etc.

Furthermore, it should be understood that the terms "comprises" or "comprising," when used in various embodiments of the present disclosure, are intended to indicate the presence of the stated features, numbers, operations, elements, components, or combinations thereof, but do not preclude the presence or addition of one or more other features, numbers, operations, elements, components, or combinations thereof.

As shown in fig. 1-4, the present invention provides a speaker top case mold, which comprises a front mold assembly 100, a front mold core 200, a rear mold core 300 and a rear mold assembly 400; the back mold core 300 comprises a first part 310, a second part 320 and a third part 330 which are spliced with each other; the first portion 310 is provided with an insert 311 for forming a speaker key hole, and the insert 311 is provided with a first thimble 312 and a second thimble 313. Because the insert 311 is embedded in the rear mold insert 300, the insert 311 is convenient for forming the shape of the key hole of the upper enclosure of the sound box, when the upper enclosure of the sound box is ejected from the rear mold insert 300, the first ejector pin 312 and the second ejector pin 313 eject the key hole of the upper enclosure of the sound box together, the key hole is convenient to be separated from the rear mold insert 300, and the quality of the upper enclosure of the sound box after demolding is ensured. In addition, since the rear mold 300 is formed by splicing the first portion 310, the second portion 320 and the third portion 330, the difficulty in manufacturing the rear mold 300 is greatly reduced.

In some embodiments, a slider 500 is disposed on one side of the rear mold core 300, and a molding part 510 is disposed on the slider 500, wherein the molding part 510 penetrates through the sidewall of the rear mold core 300 to participate in molding. The shaping portion 510 of slider 500 is used for the region of shaping audio amplifier epitheca upper surface and arc transition, and slider 500 can be demoulded alone under the drive of guide arm, makes the audio amplifier epitheca drawing of patterns more convenient, and the quality is better after the audio amplifier epitheca shaping drawing of patterns. Specifically, the molding portion 510 includes a planar molding portion 511 and a first arc-shaped molding portion 512.

In some embodiments, the third portion 330 is provided with a second arc-shaped forming portion 331, and the second arc-shaped forming portion 331 is smoothly connected with the first arc-shaped forming portion 512. The first arc forming part 512 and the second arc forming part 331 form an arc shape on the upper casing of the sound box together, so that the sound box is more attractive in appearance.

In some embodiments, the front mold core 200 is provided with a limiting protrusion 210, and the rear mold core 300 is provided with a limiting groove 340 matched with the limiting protrusion 210. When the front mold core 200 and the rear mold core 300 are closed, the position of the front mold core 200 and the position of the rear mold core 300 can be limited by the limiting protrusion 210 and the limiting groove 340, so that the closing of the mold is convenient, and when the limiting protrusion 210 is completely positioned in the limiting groove 340, the closing of the mold is finished.

In some embodiments, four glue inlets 350 are provided on the rear mold core 300. The glue feeding speed is improved, the glue feeding time is shortened, and the production efficiency is improved.

In some embodiments, four glue inlets 350 are disposed on the same axis and the adjacent glue inlets 350 are spaced at equal intervals. In order to make the injection pressure at each position in the mold more balanced, the molding quality of the sound box shell is improved.

The foregoing is a more detailed description of the present invention, taken in conjunction with the accompanying specific embodiments, and it is not intended to limit the invention to the specific embodiments described herein. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement.

Claims (7)

1. Audio amplifier epitheca mould, its characterized in that: comprises a front die assembly (100), a front die core (200), a rear die core (300) and a rear die assembly (400); the rear mold core (300) comprises a first part (310), a second part (320) and a third part (330) which are mutually spliced; an embedded block (311) used for forming a loudspeaker box key hole is arranged on the first portion (310), and a first thimble (312) and a second thimble (313) are arranged on the embedded block (311).

2. A mold for an upper casing of a sound box according to claim 1, wherein: one side of the rear mold core (300) is provided with a sliding block (500), a forming part (510) is arranged on the sliding block (500), and the forming part (510) penetrates through the side wall of the rear mold core (300) to participate in forming.

3. A loudspeaker enclosure mould according to claim 2, characterised in that: the forming portion (510) includes a planar forming portion (511) and a first arcuate forming portion (512).

4. A loudspeaker box upper shell mold according to claim 3, wherein: and a second arc-shaped forming part (331) is arranged on the third part (330), and the second arc-shaped forming part (331) is smoothly connected with the first arc-shaped forming part (512).

5. A mold for an upper casing of a sound box according to claim 1, wherein: the front mold core (200) is provided with a limiting protrusion (210), and the rear mold core (300) is provided with a limiting groove (340) matched with the limiting protrusion (210).

6. The loudspeaker box upper shell mold according to claim 1, characterized in that: four glue inlets (350) are arranged on the rear mold core (300).

7. The speaker box upper case mold according to claim 6, wherein: the four glue inlets (350) are arranged on the same axis, and the distances between the adjacent glue inlets (350) are equal.

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