CN102922666B - Coil injection molding mold - Google Patents
Coil injection molding mold Download PDFInfo
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- CN102922666B CN102922666B CN201210231405.7A CN201210231405A CN102922666B CN 102922666 B CN102922666 B CN 102922666B CN 201210231405 A CN201210231405 A CN 201210231405A CN 102922666 B CN102922666 B CN 102922666B
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- injection molding
- coil
- mold insert
- coil injection
- molding mould
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Abstract
The invention relates to a coil injection molding mold, which comprises a lower fixation mold, an upper gate mold and a first insert for coil shaft hole boring, wherein the lower fixation mold and the upper gate mold close to form a coil injection molding cavity. The first insert is provided with an upper end and a lower end, wherein the upper end and the lower end are relatively arranged, the upper end forms a runner communicated with the upper gate mold, and the lower end forms a positioning column. The lower fixation mold is provided with a positioning hole for accommodating the positioning column, and further comprises a positioning pin for limiting a position of the first insert in a vertical direction. According to the present invention, with the positioning pin for limiting the position of the first insert in the vertical direction, the injection molding coil and the insert do not run along with the upper gate mold during demolding, and are closely fixed on the lower fixation mold during mold opening, such that operation is simple, and safeties of the mold and the operator are ensured.
Description
Technical field
The present invention relates to a kind of mould, and in particular to a kind of injection mold for coil injection.
Background technology
It is coated that some solenoid product needed used in particular surroundings (as moist, fluid) carry out injection moulding, to ensure its serviceability.The mould of this series products generally comprises lower fixed die, upper gating pattern and passes the first mold insert and second mold insert of thiol, and described first mold insert and the second mold insert take out in the lump with coil and separate after injection moulding completes.
But, first mold insert and the second mold insert are all independently be placed in die cavity, circumference location is realized by means of only the guide pillar location being arranged in lower fixed die, axially do not have fixed structure up and down, often when die sinking, coil and mold insert can overall up run with upper gating pattern, and therefore product is easy to when falling down smash mould, water pipe, even injures operating personnel by a crashing object.
Summary of the invention
For the problems referred to above, the object of this invention is to provide a kind of handling safety, coil injection molding mould easy to use.
A kind of coil injection molding mould of the present invention; comprise the lower fixed die in closed formation coil injection molding chamber and upper gating pattern; and for the first mold insert that coil axis hole wears; described first mold insert has relative top and bottom; described upper end forms the running channel communicated with upper gating pattern; described lower end forms location cylinder, and described lower fixed die is provided with the locating hole of accommodating described locating dowel body, and described lower fixed die also comprises the alignment pin of the first mold insert described in above-below direction upper limit.
In one embodiment of the invention, described alignment pin is the slide block that horizontal direction charges into locating hole slidably, and described location cylinder is provided with the first shaft shoulder hole coordinated with slide block.
In one embodiment of the invention, described coil injection molding mould also comprise and upper gating pattern and lower fixed die close time drive slide block to charge into the interlinked mechanism of locating hole.
In one embodiment of the invention, the upper end of described first mold insert is provided with the overlap that diameter is greater than coil axis hole, described coil injection molding mould also comprise load from the lower end of the first mold insert can the second mold insert of moving up and down of block coil.
In one embodiment of the invention, described location cylinder is provided with the second shaft shoulder hole coordinated with the second mold insert.
In one embodiment of the invention, the running channel of described first mold insert upper end is cylindrical shrinkage pool, and the center of described shrinkage pool is provided with the cone post consistent with upper gating pattern cone mouth direction.
In one embodiment of the invention, described coil injection molding mould also comprises the interface insert be embedded on the sidewall of coil injection molding chamber.
By the alignment pin of described above-below direction upper limit first mold insert, make coil injection and mold insert not follow when the demoulding gating pattern to run, be tightly fixed on when die sinking on lower fixed die, easy and simple to handle, ensure that the safety of mould and personnel simultaneously.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to technological means of the present invention can be better understood, and can be implemented according to the content of description, and can become apparent to allow above and other objects of the present invention, feature and advantage, below especially exemplified by embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is the three-dimensional exploded view of coil of the present invention and the first mold insert, the second mold insert, the 3rd mold insert.
Fig. 2 is the cross-sectional schematic of coil injection molding mould of the present invention.
Detailed description of the invention
In order to further set forth the present invention, reaching technological means and effect that predetermined goal of the invention takes, below in conjunction with accompanying drawing and preferred embodiment, to the detailed description of the invention proposed according to the present invention, structure, feature and effect thereof, being described in detail as follows.
Aforementioned and other technology contents, Characteristic for the present invention, can know and present in the detailed description of following cooperation with reference to graphic preferred embodiment.By the explanation of detailed description of the invention, when can to the present invention for the technological means reaching predetermined object and take and effect be able to more deeply and concrete understanding, however institute's accompanying drawings be only to provide with reference to and the use of explanation, be not used for being limited the present invention.
Please refer to shown in Fig. 1 and 2; the present embodiment coil injection molding mould 100 is the coil 80 required for being injected with high sealing; cylinder 801 centered by the circle of described coil 80, circle is outer is metal coating sleeve 803, and protection sleeve 803 is protruding with the interface module 805 be electrically connected with coil 80.The object of injection mo(u)lding is coil to be sealed in the region that central tube 801, protection sleeve 803 and interface module 805 surround, to realize water-tight.
The coil injection molding mould 100 of moulding plastics cladding comprise closed form coil injection molding chamber 10 lower fixed die 20 and gating pattern 30, the first mold insert 40 worn for coil axis hole and the second mold insert 60 being sheathed on the first mold insert 40.Described upper first mold insert 40 has relative top and bottom, described upper end forms the running channel 401 communicated with upper gating pattern 30, running channel 401 is cylindrical shrinkage pool, and the center of described shrinkage pool is provided with the cone post 406 consistent with upper gating pattern 30 cone mouth direction, to be conducive to the Uniform Flow of sealant.First mold insert 40 upper end is also provided with the overlap 404 that diameter is greater than coil axis hole, with the upwards scope of activities of limiting coil.Described coil injection molding mould 100 also comprise load from the lower end of the first mold insert 40 can the second mold insert 60 of moving downward of block coil, described location cylinder 402 is provided with second shaft shoulder 405 coordinated with the second mold insert 60.The lower end of described first mold insert 40 forms location cylinder 402, and described lower fixed die 20 is provided with the locating hole 201 of accommodating described locating dowel body 402, and described lower fixed die 20 also comprises the alignment pin 203 of the first mold insert 40 described in above-below direction upper limit.Described alignment pin 203 is the slide block that horizontal direction charges into locating hole 201 slidably, and described location cylinder 402 is provided with first shaft shoulder 403 coordinated with slide block.Described coil injection molding mould 100 also comprises the interface insert 70 be embedded on the sidewall of coil injection molding chamber 10.
Slide block is driven to charge into the interlinked mechanism 50 of locating hole 201 when described coil injection molding mould 100 also comprises and upper gating pattern 30 and lower fixed die 20 close.Described interlinked mechanism 50 comprises the tapered wedges 301 communicated with upper gating pattern 30, described alignment pin 203 is provided with the drive block 2031 coordinated with tapered wedges 301, the angle of inclination of tapered wedges 301 can free adjustment within the specific limits, as long as the die sinking making the mobile disengaging of alignment pin 203 to the first mold insert 40 be slower than upper gating pattern 30 departs from, thus ensure that coil injection and mold insert do not follow gating pattern to run when the demoulding, tightly be fixed on when die sinking on lower fixed die, ensure the safety of mould and personnel.
The above, only embodiments of the invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with embodiment, but and be not used to limit the present invention, any those skilled in the art, are not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, such as: the wedge-like engagement that the interlinked mechanism 50 in the present embodiment adopts; In some other embodiment, also can adopt other interlinked mechanisms, as long as the function successively opened can be realized.In addition, metal sleeve is provided with outside the coil in the present embodiment; And in some other embodiment, metal sleeve also can not be set, directly also can with the coated coil lateral surface of plastic cement.In sum, be namely do not depart from technical solution of the present invention content in every case, any simple modification done above embodiment according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (6)
1. a coil injection molding mould (100), comprise the closed lower fixed die (20) and the upper gating pattern (30) that form coil injection molding chamber (10), and for the first mold insert (40) that coil axis hole wears, it is characterized in that: described first mold insert (40) has relative top and bottom, described upper end forms the running channel (401) communicated with upper gating pattern (30), described lower end forms location cylinder (402), described lower fixed die (20) is provided with the locating hole (201) of accommodating described locating dowel body (402), described lower fixed die (20) also comprises the alignment pin (203) of the first mold insert (40) described in above-below direction upper limit, described alignment pin (203) charges into the slide block of locating hole (201) slidably for horizontal direction, described location cylinder (402) is provided with first shaft shoulder (403) coordinated with slide block.
2. according to claim
1described coil injection molding mould (100), is characterized in that: drive slide block to charge into the interlinked mechanism (50) of locating hole (201) when described coil injection molding mould (100) also comprises and upper gating pattern (30) and lower fixed die (20) are closed.
3. according to claim
1or
2described coil injection molding mould (100), it is characterized in that: the upper end of described first mold insert (40) is provided with the overlap (404) that diameter is greater than coil axis hole, described coil injection molding mould (100) also comprise load from the lower end of the first mold insert (40) can the second mold insert (60) of moving up and down of block coil.
4. according to claim
3described coil injection molding mould (100), is characterized in that: described location cylinder (402) is provided with second shaft shoulder (405) coordinated with the second mold insert (60).
5. according to claim
4described coil injection molding mould (100), is characterized in that: the running channel (401) of described first mold insert (40) upper end is cylindrical shrinkage pool, and the center of described shrinkage pool is provided with the cone post (406) consistent with upper gating pattern (30) cone mouth direction.
6. according to claim
5described coil injection molding mould (100), is characterized in that: described coil injection molding mould (100) also comprises the interface insert (70) be embedded on coil injection molding chamber (10) sidewall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210231405.7A CN102922666B (en) | 2012-07-05 | 2012-07-05 | Coil injection molding mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210231405.7A CN102922666B (en) | 2012-07-05 | 2012-07-05 | Coil injection molding mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102922666A CN102922666A (en) | 2013-02-13 |
| CN102922666B true CN102922666B (en) | 2015-05-20 |
Family
ID=47637661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210231405.7A Active CN102922666B (en) | 2012-07-05 | 2012-07-05 | Coil injection molding mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102922666B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103171088A (en) * | 2013-04-05 | 2013-06-26 | 艾通电磁技术（昆山）有限公司 | Coil injection molding mold |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2534683Y (en) * | 2002-03-11 | 2003-02-05 | 耀登科技股份有限公司 | Internal coil positioning structure for antenna |
| CN202230867U (en) * | 2011-09-20 | 2012-05-23 | 湖北同益电力科技有限公司 | Dry type phase-shifting rectifier transformer coil casting mold |
| CN202805538U (en) * | 2012-07-05 | 2013-03-20 | 艾通电磁技术（昆山）有限公司 | Injection mould for coil |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110167624A1 (en) * | 2010-01-11 | 2011-07-14 | Jen-Yao Hu | Method for manufacturing coil holders |
| JP5630332B2 (en) * | 2011-03-08 | 2014-11-26 | 株式会社デンソー | Method for manufacturing ignition coil for internal combustion engine |
-
2012
- 2012-07-05 CN CN201210231405.7A patent/CN102922666B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2534683Y (en) * | 2002-03-11 | 2003-02-05 | 耀登科技股份有限公司 | Internal coil positioning structure for antenna |
| CN202230867U (en) * | 2011-09-20 | 2012-05-23 | 湖北同益电力科技有限公司 | Dry type phase-shifting rectifier transformer coil casting mold |
| CN202805538U (en) * | 2012-07-05 | 2013-03-20 | 艾通电磁技术（昆山）有限公司 | Injection mould for coil |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102922666A (en) | 2013-02-13 |
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