CN215512119U - Earphone shell injection mold - Google Patents
Earphone shell injection mold Download PDFInfo
- Publication number
- CN215512119U CN215512119U CN202120553376.0U CN202120553376U CN215512119U CN 215512119 U CN215512119 U CN 215512119U CN 202120553376 U CN202120553376 U CN 202120553376U CN 215512119 U CN215512119 U CN 215512119U
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- Prior art keywords
- thimble
- injection
- auxiliary
- molding cavity
- die body
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- 238000002347 injection Methods 0.000 title claims abstract description 43
- 239000007924 injection Substances 0.000 title claims abstract description 43
- 238000001746 injection moulding Methods 0.000 claims abstract description 44
- 238000000465 moulding Methods 0.000 claims abstract description 36
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000007493 shaping process Methods 0.000 description 6
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000959 ear middle Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of earphone manufacturing, in particular to an earphone shell injection mold, which comprises an injection support, a main mold body fixedly arranged on the injection support, a first auxiliary mold body arranged on the injection support and corresponding to one side of the main mold body, and a second auxiliary mold body arranged on the injection support and corresponding to the other side of the main mold body; the injection molding support is provided with a first driving assembly and a second driving assembly, the first driving assembly is connected with the first auxiliary die body, and the second driving assembly is connected with the second auxiliary die body; according to the utility model, the front shell and the rear shell of the earphone are formed on one injection molding mechanism, the two-sided structure of the main mold body is respectively matched with the two groups of auxiliary mold bodies for molding, and the injection molded earphone shell can move along under the action of the ejector pin assembly after molding, so that the subsequent demolding is convenient.
Description
Technical Field
The utility model relates to the technical field of earphone manufacturing, in particular to an earphone shell injection mold.
Background
In recent years, wireless headsets, especially bluetooth headsets, have become more and more widely used with the rapid development of headset technology. Earphone types have also evolved from the first headsets to in-ear/semi-in-ear earphones, from line-controlled to wireless bluetooth mode, to the now trending truly wireless earphones. Headsets are increasingly tending to be lightweight and easy to carry. The earphone housing is usually produced by injection molding. The pair of earphones comprises a left earphone and a right earphone, and the left earphone is formed by buckling a left upper shell and a left lower shell respectively; the right earphone is formed by buckling an upper right shell and a lower right shell. When the existing earphone is produced and processed, the upper left shell, the lower left shell, the upper right shell and the lower right shell are produced and processed by a plurality of sets of dies.
The existing injection mold can only carry out injection molding alone generally, or adopts a large mold to complete all injection molding of the earphone at one time, the traditional structure has higher cost, and the demolding is inconvenient, so that the injection mold for the earphone can be further improved, and the production efficiency is improved.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention provides an injection mold for an earphone shell, in which a front shell and a rear shell of an earphone are formed on an injection mechanism, two sets of auxiliary mold bodies are respectively matched to form the earphone shell through a double-sided structure of a main mold body, and the injection molded earphone shell can move along with the earphone shell under the action of a thimble assembly after forming, so as to facilitate subsequent demolding.
The technical scheme adopted by the utility model is as follows: an earphone shell injection mold comprises an injection support, a main mold body fixedly arranged on the injection support, a first auxiliary mold body arranged on the injection support and corresponding to one side of the main mold body, and a second auxiliary mold body arranged on the injection support and corresponding to the other side of the main mold body; the injection molding support is provided with a first driving assembly and a second driving assembly, the first driving assembly is connected with the first auxiliary die body, and the second driving assembly is connected with the second auxiliary die body; the main die body and the first auxiliary die body are closed to form a first molding cavity, the main die body and the second auxiliary die body are closed to form a second molding cavity, the first auxiliary die body is provided with a first ejector pin assembly, the first ejector pin assembly is communicated to the first molding cavity, the second auxiliary die body is provided with a second ejector pin assembly, and the second ejector pin assembly is communicated to the second molding cavity.
The injection molding support comprises two support frames and a transmission guide rod arranged between the two support frames.
The further improvement of the scheme is that the main die body is fixedly arranged at the center of the transmission guide rod.
The further improvement of the scheme is that the first driving component and the second driving component are respectively arranged on the two support frames.
The further improvement of the scheme is that the first driving component and the second driving component are hydraulic cylinders.
The further improvement of the scheme is that the first die body is provided with a first injection molding cavity, and the first injection molding cavity is communicated with the first molding cavity.
The further improvement of the scheme is that the second auxiliary die body is provided with a second injection molding cavity, and the second injection molding cavity is communicated with the second injection molding cavity.
In a further improvement of the above scheme, the first thimble assembly includes a first thimble driving base and a first thimble shaft connected to the first thimble driving base, and the first thimble driving base drives the first thimble shaft to transmit toward the first molding cavity.
The further improvement of the above scheme is that the second thimble assembly comprises a second thimble driving base and a second thimble shaft connected with the second thimble driving base, and the second thimble driving base drives the second thimble shaft to transmit towards the second molding cavity.
The further improvement of the above scheme is that the first thimble driving seat and the second thimble driving seat are both cylinders or hydraulic cylinders.
The utility model has the beneficial effects that:
compared with the traditional earphone injection mold, the front shell and the rear shell of the earphone are formed on one injection mechanism, the two sets of auxiliary mold bodies are respectively matched for forming through the double-sided structure of the main mold body, the injection-molded earphone shell can move along under the action of the ejector pin assembly after forming, subsequent demolding is facilitated, the two sets of driving assemblies are used for driving the auxiliary mold bodies to be separated from the main mold body, and the main mold body is of a fixed structure, so that injection molding and demolding are facilitated. Specifically, an injection molding bracket, a main mold body fixedly arranged on the injection molding bracket, a first auxiliary mold body arranged on the injection molding bracket and corresponding to one side of the main mold body, and a second auxiliary mold body arranged on the injection molding bracket and corresponding to the other side of the main mold body are arranged; the injection molding support is provided with a first driving assembly and a second driving assembly, the first driving assembly is connected with the first auxiliary die body, and the second driving assembly is connected with the second auxiliary die body; the main die body and the first auxiliary die body are closed to form a first molding cavity, the main die body and the second auxiliary die body are closed to form a second molding cavity, the first auxiliary die body is provided with a first ejector pin assembly, the first ejector pin assembly is communicated with the first molding cavity, the second ejector pin assembly is communicated with the second molding cavity. Be used for the earphone shell shaping through the one-tenth die cavity, rethread ejector pin subassembly is firmly grasped earphone shell after the shaping, makes things convenient for the drawing of patterns, and whole degree of automation is high, and the shaping is efficient.
Drawings
Fig. 1 is a schematic perspective view of an earphone shell injection mold according to the present invention;
FIG. 2 is a schematic perspective view of the injection mold for the earphone housing of FIG. 1 from another perspective;
FIG. 3 is a schematic top view of the injection mold for the middle ear housing of FIG. 1;
fig. 4 is a cross-sectional view a-a of fig. 4.
Description of reference numerals: the injection molding device comprises an injection molding support 1, a support frame 11, a transmission guide rod 12, a main mold body 2, a first molding cavity 21, a second molding cavity 22, a first auxiliary mold body 3, a first thimble assembly 31, a first thimble driving seat 311, a first thimble shaft 312, a first injection molding cavity 32, a second thimble driving seat 321, a second thimble shaft 322, a second auxiliary mold body 4, a second thimble assembly 41, a first driving assembly 5 and a second driving assembly 6.
Detailed Description
To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
As shown in fig. 1 to 4, an injection mold for earphone shells includes an injection support 1, a main mold body 2 fixedly installed on the injection support 1, a first sub-mold body 3 installed on the injection support 1 and corresponding to one side of the main mold body 2, and a second sub-mold body 4 installed on the injection support 1 and corresponding to the other side of the main mold body 2; the injection molding support 1 is provided with a first driving assembly 5 and a second driving assembly 6, the first driving assembly 5 is connected with the first auxiliary mold body 3, and the second driving assembly 6 is connected with the second auxiliary mold body 4; the main mold body 2 and the first auxiliary mold body 3 are combined to form a first molding cavity 21, the main mold body 2 and the second auxiliary mold body 4 are combined to form a second molding cavity 22, the first auxiliary mold body 3 is provided with a first ejector pin assembly 31, the first ejector pin assembly 31 is communicated with the first molding cavity 21, the second auxiliary mold body 4 is provided with a second ejector pin assembly 41, and the second ejector pin assembly 42 is communicated with the second molding cavity 22.
The injection molding support 1 comprises two support frames 11 and a transmission guide rod 12 erected between the two support frames 11, and is fixed and installed through the support frames 11 in cooperation with the transmission guide rod 12, so that the structure is convenient to install, stable and reliable.
The main die body 2 is fixedly arranged at the center of the transmission guide rod 12, the main die body 2 is arranged in the transmission guide rod 12 in the middle, the die is conveniently formed in an involution mode, and the forming effect is good.
The first driving component 5 and the second driving component 6 are respectively arranged on the two support frames 11 and are used for being matched with the two support frames 11 for driving, the driving effect is good, and the structure is stable and reliable.
The first driving assembly 5 and the second driving assembly 6 are hydraulic cylinders, and the hydraulic cylinders are used for driving, so that the driving precision is high.
The first die body 3 is provided with a first injection molding cavity 32, the first injection molding cavity 32 is communicated with the first molding cavity 21, and the further improvement is that the second die body 4 is provided with a second injection molding cavity 42, the second injection molding cavity 42 is communicated with the second molding cavity 22, and the injection molding cavity is used for injecting raw materials so as to form the earphone shell.
The first thimble driving base 311 and the second thimble driving base 321 are both air cylinders or hydraulic cylinders, so that the earphone shell is clamped by the hydraulic cylinders.
According to the earphone, the front shell and the rear shell of the earphone are formed on one injection molding mechanism, the two sets of auxiliary mold bodies are respectively matched for molding through the double-sided structure of the main mold body 2, the earphone shell subjected to injection molding can move along under the action of the ejector pin assembly after molding, subsequent demolding is facilitated, the two sets of driving assemblies are used for driving the auxiliary mold bodies to be separated from the main mold body 2, and the main mold body 2 is of a fixed structure, so that injection molding and demolding are facilitated. Specifically, an injection support 1, a main mold body 2 fixedly installed on the injection support 1, a first sub mold body 3 installed on the injection support 1 and corresponding to one side of the main mold body 2, and a second sub mold body 4 installed on the injection support 1 and corresponding to the other side of the main mold body 2 are provided; the injection molding support 1 is provided with a first driving assembly 5 and a second driving assembly 6, the first driving assembly 5 is connected with the first auxiliary mold body 3, and the second driving assembly 6 is connected with the second auxiliary mold body 4; the main mold body 2 and the first auxiliary mold body 3 are combined to form a first molding cavity 21, the main mold body 2 and the second auxiliary mold body 4 are combined to form a second molding cavity 22, the first auxiliary mold body 3 is provided with a first ejector pin assembly 31, the first ejector pin assembly 31 is communicated with the first molding cavity 21, the second auxiliary mold body 4 is provided with a second ejector pin assembly 41, and the second ejector pin assembly 42 is communicated with the second molding cavity 22. Be used for the earphone shell shaping through the one-tenth die cavity, rethread ejector pin subassembly is firmly grasped earphone shell after the shaping, makes things convenient for the drawing of patterns, and whole degree of automation is high, and the shaping is efficient.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides an earphone shell injection mold which characterized in that: the injection molding device comprises an injection molding support, a main mold body fixedly arranged on the injection molding support, a first auxiliary mold body arranged on the injection molding support and corresponding to one side of the main mold body, and a second auxiliary mold body arranged on the injection molding support and corresponding to the other side of the main mold body; the injection molding support is provided with a first driving assembly and a second driving assembly, the first driving assembly is connected with the first auxiliary die body, and the second driving assembly is connected with the second auxiliary die body; the main die body and the first auxiliary die body are closed to form a first molding cavity, the main die body and the second auxiliary die body are closed to form a second molding cavity, the first auxiliary die body is provided with a first ejector pin assembly, the first ejector pin assembly is communicated to the first molding cavity, the second auxiliary die body is provided with a second ejector pin assembly, and the second ejector pin assembly is communicated to the second molding cavity.
2. The earphone shell injection mold of claim 1, wherein: the injection molding support comprises two support frames and a transmission guide rod erected between the two support frames.
3. The earphone shell injection mold of claim 2, wherein: the main die body is fixedly arranged at the center of the transmission guide rod.
4. The earphone shell injection mold of claim 3, wherein: the first driving assembly and the second driving assembly are respectively arranged on the two support frames.
5. The earphone shell injection mold of claim 4, wherein: the first driving assembly and the second driving assembly are hydraulic cylinders.
6. The earphone shell injection mold of claim 5, wherein: the first die body is provided with a first injection molding cavity, and the first injection molding cavity is communicated with the first molding cavity.
7. The earphone shell injection mold of claim 6, wherein: and the second auxiliary die body is provided with a second injection molding cavity which is communicated with the second injection molding cavity.
8. The earphone shell injection mold of claim 7, wherein: the first thimble assembly comprises a first thimble driving seat and a first thimble shaft connected with the first thimble driving seat, and the first thimble driving seat drives the first thimble shaft to transmit towards the first molding cavity.
9. The earphone shell injection mold of claim 8, wherein: the second thimble assembly comprises a second thimble driving seat and a second thimble shaft connected with the second thimble driving seat, and the second thimble driving seat drives the second thimble shaft to transmit towards the second molding cavity.
10. The earphone shell injection mold of claim 9, wherein: the first thimble driving seat and the second thimble driving seat are both air cylinders or hydraulic cylinders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120553376.0U CN215512119U (en) | 2021-03-17 | 2021-03-17 | Earphone shell injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120553376.0U CN215512119U (en) | 2021-03-17 | 2021-03-17 | Earphone shell injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215512119U true CN215512119U (en) | 2022-01-14 |
Family
ID=79800520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120553376.0U Expired - Fee Related CN215512119U (en) | 2021-03-17 | 2021-03-17 | Earphone shell injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215512119U (en) |
-
2021
- 2021-03-17 CN CN202120553376.0U patent/CN215512119U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220114 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |