CN202985984U - Sprue structure of waterproof cell phone injection molding die - Google Patents
Sprue structure of waterproof cell phone injection molding die Download PDFInfo
- Publication number
- CN202985984U CN202985984U CN 201220702651 CN201220702651U CN202985984U CN 202985984 U CN202985984 U CN 202985984U CN 201220702651 CN201220702651 CN 201220702651 CN 201220702651 U CN201220702651 U CN 201220702651U CN 202985984 U CN202985984 U CN 202985984U
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- sprue
- mold insert
- insert
- core rod
- mobile phone
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Abstract
The utility model relates to a sprue structure of a waterproof cell phone injection molding die. The sprue structure comprises a first sprue insert, a second sprue insert and a die core, wherein the die core is provided with an inert hole which penetrates through the bottom of the die core but not completely penetrates through at the top of the die core; the die core is provided with a circular-arc-shaped part at the top of the insert hole; the top face of the die core, above the circular-arc-shaped part, is a plane which forms a cell phone shell waterproof face in a cavity; the first sprue insert and the second sprue insert are placed into the insert holes and the top of each of the first sprue insert and the second sprue insert is provided with a circular-arc-shaped notch matched with the circular-arc-shaped part; grooves are respectively formed in the first sprue insert and the second sprue insert and around the circular-arc-shaped notches; and the grooves in the first sprue insert and the second sprue insert commonly form an ox-horn-shaped hidden sprue. The sprue structure disclosed by the utility model is simple in structure, is convenient and practical, and meets the requirements of no clamping wires on the waterproof face of a waterproof cell phone shell; and glue can be fed at the best position and the quality of the cell phone is guaranteed.
Description
Technical field
The utility model relates to the injection mold technical field, particularly relates to a kind of waterproof mobile phone shell that is applicable to make, and satisfies the anti-water surface of waterproof mobile phone shell without the clamp requirement, advances the pouring gate structure of the waterproof mobile phone injection mold of glue in the inside of the anti-water surface.
Background technology
At present, along with the use of mobile phone is more and more universal, in people's process used in everyday, mobile phone can touch unavoidably water or fall in water.Because the inside of mobile phone is all various electronic devices and components, if the inner inlet of mobile phone can cause short circuit, be easy to the circuit of interior of mobile phone is burnt out, this has brought very large trouble for routine use of people.By paste the way of marine glue on mobile phone shell, can effectively avoid the circuit part water inlet of interior of mobile phone key.The place of pasting marine glue on mobile phone shell is referred to as the anti-water surface (" the anti-water surface " is generally the surrounding of mobile phone shell inner surface) usually, its surface requirements must be smooth, without any clamp, this often with in the mobile phone shell manufacturing adopts sprue mold insert and the clamp that brings conflicts mutually.
Banana Type advances glue and is called again ox horn and advances glue, and the banana-shaped cast gate is a kind of special shape of sub marine gate.Due to the shaped form passage that has adopted banana-shaped (or cattle horn shape), so the surface, inside that it can extend to cast gate product carries out injection moulding, is specially adapted to the production to the high product of outward appearance quality requirements.
In view of this, the design people does not allow the requirement of clamp for the anti-water surface of waterproof mobile phone shell, existing Banana Type is advanced glue improve, and has avoided the clamp of sprue mold insert part, creates out the utility model that has practical value.
Summary of the invention
The purpose of this utility model is, a kind of pouring gate structure of waterproof mobile phone injection mold of new structure is provided, technical problem to be solved is can satisfy the waterproof mobile phone shell to the requirement of the anti-water surface without clamp, realization is advanced glue in best position, guarantee the quality of mobile phone shell, be very suitable for practicality.
The purpose of this utility model and to solve its technical problem be to adopt following technical scheme to realize.According to the pouring gate structure of a kind of waterproof mobile phone injection mold that the utility model proposes, it comprises: the first sprue mold insert, the second sprue mold insert and core rod; Wherein said core rod is provided with and connects bottom described core rod, and the mold insert hole at the non-all-pass in described core rod top, described core rod remains with circular arc shaped portion at the top in described mold insert hole, and the end face of the described core rod above described circular arc shaped portion is to form the plane of the anti-water surface of mobile phone shell in die cavity; Described the first sprue mold insert and described the second sprue mold insert are arranged in described mold insert hole, and its top is respectively equipped with the circular arc cutaway that coordinates with described circular arc shaped portion; Also be respectively equipped with groove around described circular arc cutaway on described the first sprue mold insert and described the second sprue mold insert, and the described groove on described the first sprue mold insert and described the second sprue mold insert forms the sub marine gate of cattle horn shape jointly.
The purpose of this utility model and solve its technical problem and can also be further achieved by the following technical measures.
The pouring gate structure of aforesaid waterproof mobile phone injection mold, the two ends of wherein said cast gate form respectively the first opening and the second opening on described the first sprue mold insert and described the second sprue mold insert, and the sectional dimension of described the first opening is closed on described the second opening part at described cast gate and is provided with an arc-shaped convex less than the sectional dimension of described the second opening.
Also be provided with two jogger holes on the pouring gate structure of aforesaid waterproof mobile phone injection mold, on wherein said core rod and runner that described cast gate is communicated with.
The utility model compared with prior art has obvious advantage and beneficial effect.By technique scheme, the pouring gate structure of a kind of waterproof mobile phone injection mold of the utility model has following advantages and beneficial effect at least: the utility model is simple in structure, convenient, practical, on the basis that does not increase the Mold Making difficulty, satisfy the requirement without clamp of waterproof mobile phone shell to the anti-water surface, realized advancing glue in desired positions, guaranteed the quality of mobile phone shell.
In sum, the utility model has significant progress technically, and has obvious good effect, is really a new and innovative, progressive, practical new design.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, and for above and other purpose of the present utility model, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and the cooperation accompanying drawing, be described in detail as follows.
Description of drawings
Figure 1A and Figure 1B are top view and the profiles of core rod of pouring gate structure of a kind of waterproof mobile phone injection mold of the utility model preferred embodiment.
Fig. 2 A and Fig. 2 B are the schematic diagrames of sprue mold insert of pouring gate structure of a kind of waterproof mobile phone injection mold of the utility model preferred embodiment.
Fig. 3 A to Fig. 3 C is top view, cutaway view and the stereogram of combining structure of pouring gate structure of a kind of waterproof mobile phone injection mold of the utility model preferred embodiment.
The specific embodiment
Be to reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the utility model, below in conjunction with accompanying drawing and preferred embodiment, its specific embodiment of pouring gate structure, structure, feature and effect thereof to according to a kind of waterproof mobile phone injection mold that the utility model proposes are described in detail as follows.
Relevant aforementioned and other technology contents of the present utility model, Characteristic can clearly present in the following detailed description that coordinates with reference to graphic preferred embodiment.Explanation by the specific embodiment, should be to reach technological means and the effect that predetermined purpose takes to obtain one more deeply and concrete understanding to the utility model, yet appended graphic only be to provide with reference to the use of explanation, the utility model is limited.
The pouring gate structure of waterproof mobile phone injection mold of the present utility model is to adopt a kind of mold insert of special shape to be combined with core rod, avoids the anti-water surface of mobile phone shell, realizes on the anti-water surface without clamp, and the while can be slipped into again the pouring gate structure that glue is advanced in mobile phone shell inside.See also shown in Figure 1A and Figure 1B, Fig. 2 A and Fig. 2 B, Fig. 3 A to Fig. 3 C, Figure 1A and Figure 1B are top view and the profiles of core rod of pouring gate structure of a kind of waterproof mobile phone injection mold of the utility model preferred embodiment.Fig. 2 A and Fig. 2 B are the schematic diagrames of sprue mold insert of pouring gate structure of a kind of waterproof mobile phone injection mold of the utility model preferred embodiment.Fig. 3 A to Fig. 3 C is top view, cutaway view and the stereogram of combining structure of pouring gate structure of a kind of waterproof mobile phone injection mold of the utility model preferred embodiment.The pouring gate structure of a kind of waterproof mobile phone injection mold of the utility model preferred embodiment comprises: the first sprue mold insert 1, the second sprue mold insert 2 and core rod 3.Wherein core rod 3 is provided with and connects core rod 3 bottoms, and at the mold insert hole h of the core rod 3 non-all-pass in top, core rod 3 remains with circular arc shaped portion c at the top of mold insert hole h, and the end face of the core rod 3 above circular arc shaped portion c is to form the plane of the anti-water surface S of mobile phone shell in die cavity.The first sprue mold insert 1 and the second sprue mold insert 2 are arranged in mold insert hole h, and its top is respectively equipped with the circular arc cutaway b that coordinates with circular arc shaped portion c.Also be respectively equipped with groove m around circular arc cutaway b on the first sprue mold insert 1 and the second sprue mold insert 2, and the groove m on the first sprue mold insert 1 and the second sprue mold insert 2 forms the sub marine gate of cattle horn shape jointly, be used for sizing material is injected to die cavity.The first sprue mold insert 1 of the present utility model and the second sprue mold insert 2 are from the bottom of core rod 3 is packed mold insert hole, the hole h of core rod 3 into, and the circular arc shaped portion c that keeps on the circular arc cutaway b that makes the first sprue mold insert 1 and the second sprue mold insert 2 and core rod 3 matches, circular arc shaped portion c on carrying mold cores 3, prevent circular arc shaped portion c pressurized after core rod 3 matched moulds and rupture, and form one and firmly coordinate, the anti-water surface S that mobile phone shell is avoided in realization advances glue, reaches anti-water surface S without the requirement of mold insert vestige.
The two ends of cast gate of the present utility model form respectively the first opening and the second opening on the first sprue mold insert 1 and the second sprue mold insert 2, and the sectional dimension of the first opening is less than the sectional dimension of the second opening.As shown in Fig. 2 A and Fig. 2 B, close on the second opening part at cast gate and be provided with an arc-shaped convex n, this design can be conducive to material distortion, thereby deviates from from mold insert easily.As shown in Figure 1A and Figure 1B, the utility model also is provided with two jogger hole d on core rod 3 and runner that cast gate is communicated with.By in these two jogger hole d, push rod being set, can be after each injection moulding conveniently will expect deviating from from horn gate, and can guarantee material ejecting balance, facilitate sucker to adsorb.
The utility model is simple in structure, and is reliable and stable, need not to adopt the upside-down mounting mode structure, thereby improved injection moulding production efficiency, fallen at the end mould production cost.
the above, it is only preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, although the utility model discloses as above with preferred embodiment, yet be not to limit the utility model, any those skilled in the art are not within breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, any simple modification that foundation technical spirit of the present utility model is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (3)
1. the pouring gate structure of a waterproof mobile phone injection mold, is characterized in that it comprises: the first sprue mold insert, the second sprue mold insert and core rod; Wherein said core rod is provided with and connects bottom described core rod, and the mold insert hole at the non-all-pass in described core rod top, described core rod remains with circular arc shaped portion at the top in described mold insert hole, and the end face of the described core rod above described circular arc shaped portion is to form the plane of the anti-water surface of mobile phone shell in die cavity; Described the first sprue mold insert and described the second sprue mold insert are arranged in described mold insert hole, and its top is respectively equipped with the circular arc cutaway that coordinates with described circular arc shaped portion; Also be respectively equipped with groove around described circular arc cutaway on described the first sprue mold insert and described the second sprue mold insert, and the described groove on described the first sprue mold insert and described the second sprue mold insert forms the sub marine gate of cattle horn shape jointly.
2. the pouring gate structure of waterproof mobile phone injection mold according to claim 1, the two ends that it is characterized in that wherein said cast gate form respectively the first opening and the second opening on described the first sprue mold insert and described the second sprue mold insert, and the sectional dimension of described the first opening is closed on described the second opening part at described cast gate and is provided with an arc-shaped convex less than the sectional dimension of described the second opening.
3. the pouring gate structure of waterproof mobile phone injection mold according to claim 1 is characterized in that wherein also being provided with two jogger holes on described core rod and runner that described cast gate is communicated with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220702651 CN202985984U (en) | 2012-12-18 | 2012-12-18 | Sprue structure of waterproof cell phone injection molding die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220702651 CN202985984U (en) | 2012-12-18 | 2012-12-18 | Sprue structure of waterproof cell phone injection molding die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202985984U true CN202985984U (en) | 2013-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220702651 Expired - Lifetime CN202985984U (en) | 2012-12-18 | 2012-12-18 | Sprue structure of waterproof cell phone injection molding die |
Country Status (1)
| Country | Link |
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| CN (1) | CN202985984U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105538117A (en) * | 2016-01-29 | 2016-05-04 | 宇龙计算机通信科技(深圳)有限公司 | Polishing method |
| WO2017124306A1 (en) * | 2016-01-19 | 2017-07-27 | 华为技术有限公司 | Electronic device waterproofing method and apparatus, and electronic device |
| CN108724638A (en) * | 2018-06-26 | 2018-11-02 | 珠海格力精密模具有限公司 | Sprue gate mold insert and mold including it |
-
2012
- 2012-12-18 CN CN 201220702651 patent/CN202985984U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017124306A1 (en) * | 2016-01-19 | 2017-07-27 | 华为技术有限公司 | Electronic device waterproofing method and apparatus, and electronic device |
| US10531584B2 (en) | 2016-01-19 | 2020-01-07 | Huawei Technologies Co., Ltd. | Waterproofing method for electronic device |
| CN105538117A (en) * | 2016-01-29 | 2016-05-04 | 宇龙计算机通信科技(深圳)有限公司 | Polishing method |
| CN105538117B (en) * | 2016-01-29 | 2018-01-09 | 宇龙计算机通信科技(深圳)有限公司 | Polishing method |
| CN108724638A (en) * | 2018-06-26 | 2018-11-02 | 珠海格力精密模具有限公司 | Sprue gate mold insert and mold including it |
| CN108724638B (en) * | 2018-06-26 | 2023-09-08 | 珠海格力精密模具有限公司 | Pouring gate insert and die comprising same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: TIANJIN DONGMING ELECTRONIC INDUSTRY CO., LTD. Effective date: 20150701 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150701 Address after: 101407 Beijing Huairou Yanqi Economic Development Zone Patentee after: BEIJING DONGMING XINGYE SCIENCE TECHNOLOGY Co.,Ltd. Address before: 101407 Beijing Huairou Yanqi Economic Development Zone Patentee before: BEIJING DONGMING XINGYE SCIENCE TECHNOLOGY Co.,Ltd. Patentee before: Tianjin Dongming Electronic Industry Co.,Ltd. |
|
| C56 | Change in the name or address of the patentee |
Owner name: DONGXING XINGYE SCIENCE + TECHNOLOGY CO., LTD. Free format text: FORMER NAME: BEIJING DONGMING XINGYE SCIENCE TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 101407 Beijing city Huairou District Yanqi Economic Development Zone Patentee after: DONGMING XINGYE SCIENCE TECHNOLOGY Co.,Ltd. Address before: 101407 Beijing Huairou Yanqi Economic Development Zone Patentee before: BEIJING DONGMING XINGYE SCIENCE TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130612 |
|
| CX01 | Expiry of patent term |