CN105150452A - Manufacturing method for in-mold injection 3D coil product and 3D coil product - Google Patents
Manufacturing method for in-mold injection 3D coil product and 3D coil product Download PDFInfo
- Publication number
- CN105150452A CN105150452A CN201510552198.9A CN201510552198A CN105150452A CN 105150452 A CN105150452 A CN 105150452A CN 201510552198 A CN201510552198 A CN 201510552198A CN 105150452 A CN105150452 A CN 105150452A
- Authority
- CN
- China
- Prior art keywords
- coil
- injection
- loop product
- preparation
- mould
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/36—Coil arrangements
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- General Induction Heating (AREA)
- Cookers (AREA)
Abstract
A manufacturing method for an in-mold injection 3D coil product comprises the following steps that a, a metal material is machined to form a 3D coil, the overall contour of the 3D coil is in a pot shape, and multiple circles of wires of the 3D coil are distributed in a surrounding mode; b, an injection molding piece is formed on one side of the 3D coil through integrated injection molding; and c, secondary injection molding is conducted on the 3D coil to cover the 3D coil, and only two contacts of the positive pole and the negative pole of the coil are exposed. The in-mold injection 3D coil product comprises the 3D coil with the overall contour being in the pot shape and the multiple circles of wires distributed in the surrounding mode and the injection molding material part which is integrally formed with the 3D coil through injection molding, the injection molding material part wraps the 3D coil, and only the two contacts of the positive pole and the negative pole of the 3D coil are exposed. The effective heating area of the 3D coil product is large, efficiency is high, and heating is even.
Description
Technical field
The present invention relates to a kind of preparation method and 3D loop product of in-mould injection 3D loop product.
Background technology
Electric equipment products are applied more and more extensive in our life, and people, to the raising of quality of the life, facilitate the development of electric equipment products.The heating coil ubiquity heating of ordinary appliances product is uneven, can not carry out the drawback of accurate temperature controller.Traditional 2D coil heats mode can cause the loss of higher heat, if traditional electric food warmer heating is pot bottom in heating, make heat from bottom conductive to top by contact conduction, the shortcoming brought like this heats up slowly exactly, be heated uneven, let alone intelligence accurately controls heat, air pressure and moisture.In addition, Resistant heating also has a large shortcoming to be exactly that itself will generate heat, and the power density that can bear is low, and the heating occasion needing temperature higher at some just cannot adapt to.Therefore, existing loop product can not meet the demand of people.
Summary of the invention
Main purpose of the present invention is for the deficiencies in the prior art, provides a kind of preparation method and 3D loop product of in-mould injection 3D loop product, and the effective heating surface (area) (HS of this 3D loop product is large, and efficiency is high, homogeneous heating.
For achieving the above object, the present invention is by the following technical solutions:
A preparation method for in-mould injection 3D loop product, comprises the following steps:
A. by metal material processing integrally profile be pot shape multi-turn around distribution 3D coil;
B. at the side integrated injection molding moulding of described 3D coil;
C. on described 3D coil, carry out quadric injection mould to be covered by described 3D coil, only expose two contacts as coil both positive and negative polarity.
Further:
The side of described 3D coil is the convex side of described 3D coil or the recess side of described 3D coil.
Step b be included in the edge of described moulding one-body molded go out locating button.
Described locating button comprises multiple locating buttons that circumferentially uniform intervals distribution is arranged.
Step c reserves dead slot in the position of described contact when comprising quadric injection mould, is exposed by described dead slot to make described contact.
In step a, described 3D coil is stamping forming by bulk metallic materials.
Described metal material is silver, brass, phosphor-copper or beryllium copper material.
Injected plastics material used in step b and step c is plastic cement or ceramic material.
A kind of in-mould injection 3D loop product, comprising overall profile is that the multi-turn of pot shape is around the 3D coil of distribution and the injected plastics material part with described 3D coil integrated injection molding, described 3D coil is coated on inside by described injected plastics material part, is only exposed by two contacts of the both positive and negative polarity of described 3D coil.
Further, described 3D coil multi-turn is around being scattered in circle, square or polygon.
Beneficial effect of the present invention:
3D loop product of the present invention, Distribution of Magnetic Field is even, and actual induction active area is large, homogeneous heating, and the efficiency of heating surface is high, and properties of product are stablized.Be side depression and pot shape 3D coil that opposite side arches upward and injected plastics material is one-body molded makes 3D loop product by overall profile, during for products such as Intelligent pans, except traditional bottom-heated, can realize heating the circulating type of whole inner bag, obtain overall heating effect very equably, the increase of heating surface (area) (HS contrast normal coil reaches 50%, heats up rapidly and homogeneous heating.Compare a few hectowatt power upper limit of the limited resistance dish heat safety of conventional coil, 3D loop product of the present invention can easily reach about 1500 watts, and efficiency is high.
Because the integral molded plastic of coil does not expose, only spill two contacts, therefore coil is played a very good protection, especially corrosion-resistant, and very can reliably waterproof, greatly can extend product service life.Coil integral molded plastic is wrapped, product can also be avoided may to stick the problem be short-circuited together with between the circuit of coil afterwards of a specified duration.The present invention also helps coil and obtains higher quality factor, thus the inductance value of the coil that significantly reduces the wastage, improves.
In-mould injection 3D loop product provided by the invention can be widely used in various appliance field, as Smart Home electrical equipment, comprise Intelligent pan, intelligent refrigerator, intelligent television etc., the loop product for the multi-functional consumer electronics in future provides dust-proof, scratch resistant, anticorrosion, shatter-resistant, the excellent solution such as shockproof, anti-oxidant.
In preferred version, after adopting punching press block of metal, the processes such as CNC, radium carving and/or finishing impression goes out coil, and the width of coil and coil-span can process according to actual needs very flexibly and easily and adjust.
Accompanying drawing explanation
Fig. 1 is the 3D loop construction schematic diagram of an embodiment of the present invention;
Fig. 2 is the structural representation after a 3D coil injection moulding of an embodiment of the present invention;
Fig. 3 is that an embodiment of the present invention is to the structural representation after 3D coil quadric injection mould;
Fig. 4 is the enlarged diagram of coiled contact in an embodiment of the present invention and dead slot.
Detailed description of the invention
Below embodiments of the present invention are elaborated.It is emphasized that following explanation is only exemplary, instead of in order to limit the scope of the invention and apply.
Consult Fig. 1 to Fig. 4, in one embodiment, a kind of preparation method of in-mould injection 3D loop product, comprises the following steps:
A. by metal material processing integrally profile be pot shape multi-turn around distribution 3D coil 1;
B. at the side integrated injection molding moulding 2 of described 3D coil 1;
C. on described 3D coil 1, carry out quadric injection mould, described 3D coil 1 covers by quadric injection mould material 3, only exposes two contacts 6 as coil both positive and negative polarity.
In different embodiments, in step a, 3D coil can multi-turn around being scattered in circle (as shown in Figure 1-2), square or polygon etc.
In a preferred embodiment, in step a, described 3D coil 1 can be that bulk metallic materials is stamping forming.Described metal material can adopt but be not limited to the materials such as silver, brass, phosphor-copper or beryllium copper.Injected plastics material used in step b and step c can be plastic material, also can for being suitable for the ceramic material of injection moulding.
As shown in Figure 2, in a kind of preferred embodiment, in step b, the side of injection moulding 3D coil 1 is the convex side of described 3D coil 1.
In another kind of embodiment, in step b, the side of injection moulding 3D coil 1 also can be the recess side of 3D coil 1.
As shown in Fig. 2-Fig. 3, in a preferred embodiment, step b be included in the edge of described moulding 2 one-body molded go out locating button 4.Multiple locating button 4 can be set in uniform intervals distribution.
As Figure 3-Figure 4, in a preferred embodiment, when step c comprises quadric injection mould, reserve dead slot 7 in the position of described contact 6, exposed by described dead slot 7 to make described contact 6.
Consult Fig. 1 to Fig. 4, in one embodiment, a kind of in-mould injection 3D loop product, comprising overall profile is that the multi-turn of pot shape is around the 3D coil 1 of distribution and the injected plastics material part with described 3D coil 1 integrated injection molding, described 3D coil 1 is coated on inside by described injected plastics material part, is only exposed by two contacts 6 of the both positive and negative polarity of described 3D coil 1.In a further embodiment, 3D loop product can possess the product feature of foregoing individual embodiments or the combination of feature.
Below be described in further detail specific embodiments of the invention.
First, according to the shape of product needed by 3D coil 1 punch forming, 3D coil 1 is selected and is conducted electricity very well, and resistivity is little, the metal material of rapid heat dissipation.Preferred silver, brass, phosphor-copper, beryllium copper etc.3D coil 1 adopts impact style, comprises sawing sheet, stretching, the process such as die-cut.The length and width of 3D coil 1 can set as required, can all >=160mm.The width of 3D coil 1 and coil-span can set as required.Preferably, the wide 1.5mm ~ 6.0mm of coil, live width 0.5 ~ 3.0mm, to obtain the irritability that larger inductance value is become reconciled by preferably size.3D coil 1 preferably does Nickel Plating Treatment.
After 3D coil 1 punch forming, put it in injection mold, integrated injection molding moulding 2 after matched moulds, the material of moulding 2 can be any one plastic cement or ceramic material.Plastic cement is such as PC, ABS, PC+ABS, PC+20%GF etc.The thickness of 3D coil 1 is 1.0mm ~ 3.0mm.During injection moulding, nozzle temperature is 270 ~ 300 DEG C, and mold temperature is 60 ~ 100 DEG C, and injection pressure is 50 ~ 80MPa.
Two contacts 6 are formed in the position of 3D coil 1 close head, tail.Can relevant position welding on two metal contact 6.Two contacts 6 do pretreatment, as nickel plating or gold-plated.Do Nickel Plating Treatment, can prevent product surface with air in or water oxygen or chlorine generation chemical reaction, outward appearance can be made to keep clean beautiful, increase the service life.Do gold-plated process, chemical stability is good.
Finally the structural member obtained after an injection moulding is put into mould, quadric injection mould plastic cement in mould, 3D coil covers by quadric injection mould material 3, only exposes two contacts, 6, two contacts 6 and forms both positive and negative polarity.Thus obtained 3D loop product.
After 3D loop product switches on power, formed one around magnetic field, be converted to heat energy by magnetic field energy and heat product, make electrical equipment have heating function, 3D loop product itself is not generated heat.This 3D loop product heating area is large, and heating effect is even, and save space again, make electrical equipment volume little, overall weight alleviates simultaneously.In the course of work, when the alternate magnetic force line in low coverage magnetic field is by neighbouring magnetic metal (iron, cobalt, nickel) material, the microstructure of metal can be driven, produce countless little eddy current, Metallic Microstructure itself is rubbed mutually thus self-heating, thus reaches the object of noncontact heated metal material.3D loop product is by electromagnetic induction heating, and coil itself does not generate heat because of magnetic field, and heating efficiency and efficiency are all very high.
Except being used as load coil, coil of the present invention also can be used for the purposes such as conduction, antenna receiving signal.
Above content combines concrete/preferred embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention; without departing from the inventive concept of the premise; its embodiment that can also describe these makes some substituting or modification, and these substitute or variant all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. a preparation method for in-mould injection 3D loop product, is characterized in that, comprises the following steps:
A. by metal material processing integrally profile be pot shape multi-turn around distribution 3D coil;
B. at the side integrated injection molding moulding of described 3D coil;
C. on described 3D coil, carry out quadric injection mould to be covered by described 3D coil, only expose two contacts as coil both positive and negative polarity.
2. the preparation method of in-mould injection 3D loop product as claimed in claim 1, it is characterized in that, the side of described 3D coil is the convex side of described 3D coil or the recess side of described 3D coil.
3. the preparation method of in-mould injection 3D loop product as claimed in claim 1 or 2, is characterized in that, step b be included in the edge of described moulding one-body molded go out locating button.
4. the preparation method of in-mould injection 3D loop product as claimed in claim 3, is characterized in that, described locating button comprises multiple locating buttons that circumferentially uniform intervals distribution is arranged.
5. the preparation method of the in-mould injection 3D loop product as described in any one of Claims 1-4, is characterized in that, reserves dead slot when step c comprises quadric injection mould in the position of described contact, is exposed by described dead slot to make described contact.
6. the preparation method of the in-mould injection 3D loop product as described in any one of Claims 1-4, is characterized in that, in step a, described 3D coil is stamping forming by bulk metallic materials.
7. the preparation method of the in-mould injection 3D loop product as described in any one of Claims 1-4, is characterized in that, described metal material is silver, brass, phosphor-copper or beryllium copper material.
8. the preparation method of the in-mould injection 3D loop product as described in any one of Claims 1-4, is characterized in that, injected plastics material used in step b and step c is plastic cement or ceramic material.
9. an in-mould injection 3D loop product, it is characterized in that, comprising overall profile is that the multi-turn of pot shape is around the 3D coil of distribution and the injected plastics material part with described 3D coil integrated injection molding, described 3D coil is coated on inside by described injected plastics material part, is only exposed by two contacts of the both positive and negative polarity of described 3D coil.
10. 3D loop product as claimed in claim 9, it is characterized in that, described 3D coil multi-turn is around being scattered in circle, square or polygon.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510552198.9A CN105150452A (en) | 2015-09-01 | 2015-09-01 | Manufacturing method for in-mold injection 3D coil product and 3D coil product |
| PCT/CN2015/091318 WO2017035896A1 (en) | 2015-09-01 | 2015-09-30 | Induction heating device and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510552198.9A CN105150452A (en) | 2015-09-01 | 2015-09-01 | Manufacturing method for in-mold injection 3D coil product and 3D coil product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105150452A true CN105150452A (en) | 2015-12-16 |
Family
ID=54791640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510552198.9A Pending CN105150452A (en) | 2015-09-01 | 2015-09-01 | Manufacturing method for in-mold injection 3D coil product and 3D coil product |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105150452A (en) |
| WO (1) | WO2017035896A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105934015A (en) * | 2016-05-13 | 2016-09-07 | 佛山市顺德区美的电热电器制造有限公司 | Coil disc, manufacturing method therefor, and cooking electric appliance |
| CN109004112A (en) * | 2018-07-23 | 2018-12-14 | Oppo广东移动通信有限公司 | The production method of battery cover, housing unit, electronic equipment and battery cover |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1626008A (en) * | 2003-12-12 | 2005-06-15 | 乐金电子(天津)电器有限公司 | Induction heating electric cooker |
| CN2730072Y (en) * | 2004-03-12 | 2005-09-28 | 彭玉光 | Coil disc of electromagnetic furnace |
| CN1704002A (en) * | 2004-05-27 | 2005-12-07 | 乐金电子(天津)电器有限公司 | Induction heating type electric cooker |
| CN2916422Y (en) * | 2005-08-23 | 2007-06-27 | 吕忠明 | Electromagnetic oven temperature measurer capable of directly sensing temperature of heated pot |
| CN202396018U (en) * | 2011-12-02 | 2012-08-22 | 美的集团有限公司 | Electromagnetic heating coil panel |
| CN102859623A (en) * | 2010-03-20 | 2013-01-02 | 大同特殊钢株式会社 | Method of manufacture for encased coil body and encased coil body |
| CN103280298A (en) * | 2013-05-29 | 2013-09-04 | 深圳顺络电子股份有限公司 | Inductance coil and laser-cutting manufacturing method of inductance coil |
| CN204306672U (en) * | 2014-12-12 | 2015-05-06 | 佛山市顺德区美的电热电器制造有限公司 | Electric cooking appliance |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3145023B2 (en) * | 1996-01-26 | 2001-03-12 | 三信化工株式会社 | Manufacturing method of plastic containers for electromagnetic cooking |
| CN2348537Y (en) * | 1998-10-16 | 1999-11-10 | 尚朋堂股份有限公司 | Electromagnetic stove coil specially adapted for frying pan |
| JP2003056987A (en) * | 2001-08-07 | 2003-02-26 | Toyoji Mukoyama | Solid molding induction heating coil |
| JP2003310429A (en) * | 2002-04-23 | 2003-11-05 | Matsushita Electric Ind Co Ltd | Rice cooker |
| CN201414236Y (en) * | 2009-06-05 | 2010-02-24 | 何卓雄 | Coil panel heated by electromagnetic induction |
| CN203757792U (en) * | 2014-01-06 | 2014-08-06 | 陈艳兰 | Concave induction cooker |
-
2015
- 2015-09-01 CN CN201510552198.9A patent/CN105150452A/en active Pending
- 2015-09-30 WO PCT/CN2015/091318 patent/WO2017035896A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1626008A (en) * | 2003-12-12 | 2005-06-15 | 乐金电子(天津)电器有限公司 | Induction heating electric cooker |
| CN2730072Y (en) * | 2004-03-12 | 2005-09-28 | 彭玉光 | Coil disc of electromagnetic furnace |
| CN1704002A (en) * | 2004-05-27 | 2005-12-07 | 乐金电子(天津)电器有限公司 | Induction heating type electric cooker |
| CN2916422Y (en) * | 2005-08-23 | 2007-06-27 | 吕忠明 | Electromagnetic oven temperature measurer capable of directly sensing temperature of heated pot |
| CN102859623A (en) * | 2010-03-20 | 2013-01-02 | 大同特殊钢株式会社 | Method of manufacture for encased coil body and encased coil body |
| CN202396018U (en) * | 2011-12-02 | 2012-08-22 | 美的集团有限公司 | Electromagnetic heating coil panel |
| CN103280298A (en) * | 2013-05-29 | 2013-09-04 | 深圳顺络电子股份有限公司 | Inductance coil and laser-cutting manufacturing method of inductance coil |
| CN204306672U (en) * | 2014-12-12 | 2015-05-06 | 佛山市顺德区美的电热电器制造有限公司 | Electric cooking appliance |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105934015A (en) * | 2016-05-13 | 2016-09-07 | 佛山市顺德区美的电热电器制造有限公司 | Coil disc, manufacturing method therefor, and cooking electric appliance |
| CN105934015B (en) * | 2016-05-13 | 2019-12-27 | 佛山市顺德区美的电热电器制造有限公司 | Coil panel, preparation method thereof and cooking appliance |
| CN109004112A (en) * | 2018-07-23 | 2018-12-14 | Oppo广东移动通信有限公司 | The production method of battery cover, housing unit, electronic equipment and battery cover |
| CN109004112B (en) * | 2018-07-23 | 2021-06-25 | Oppo广东移动通信有限公司 | Battery cover, shell assembly, electronic equipment and manufacturing method of battery cover |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017035896A1 (en) | 2017-03-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101420762B1 (en) | Mould assembly with a heating device | |
| CN106793228B (en) | Coil disc, manufacturing method thereof and electromagnetic heating equipment | |
| CN105150452A (en) | Manufacturing method for in-mold injection 3D coil product and 3D coil product | |
| CN105058690A (en) | Manufacturing method of large-area 3D coil product and 3D coil product | |
| GB1300247A (en) | Improvements in heating inductors | |
| CN105082455A (en) | Method for manufacturing 3D coil product and 3D coil product | |
| CN110065194A (en) | The manufacturing method of mold for forming, molding machine, forming method and resin | |
| US10232530B2 (en) | Induction heating device and method for making a workpiece using such a device | |
| CN205005291U (en) | 3D coil product | |
| CN104064320B (en) | A kind of preparation method of electromagnetic oven filter inductance | |
| CN105101499A (en) | Fabrication method of low-cost three-dimensional (3D) coil product and 3D coil product | |
| CN104465171B (en) | A kind of ultrathin touch-switch manufacture method | |
| KR20170026550A (en) | Tool and method for injection moulding or embossing/pressing | |
| CN211138270U (en) | Electromagnetic heating plate for molding press | |
| WO2017072658A1 (en) | Insert made of an alloy of non-magnetic material and ferromagnetic or ferrimagnetic material, kitchenware for induction cooking comprising such an insert and method for making such a kitchenware | |
| KR100761377B1 (en) | Inner kettle for electronic cooker using induction heat and manufacturing method thereof | |
| CN105934015A (en) | Coil disc, manufacturing method therefor, and cooking electric appliance | |
| CN203914525U (en) | A kind of ceramic electric kettle with improvement structure | |
| CN201160759Y (en) | Concentrating flux plate of electromagnetic oven | |
| CN206059104U (en) | Magnetic core and current transformer | |
| CN203896525U (en) | Magnetic strip for electromagnetic-heating coil disc | |
| CN220158065U (en) | Electric kettle | |
| CN212015276U (en) | Die-casting double-bottom pot capable of being rapidly heated | |
| CN215527423U (en) | Plastic package coil molded inductor | |
| CN207489805U (en) | A kind of heating unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 523843 Changan City, Guangdong Province town on the corner management area Applicant after: Guangdong wins smart group Limited by Share Ltd Applicant after: DONGGUAN HUACHENG METAL TECHNOLOGY CO., LTD. Address before: 523843 Changan City, Guangdong Province town on the corner management area Applicant before: Dongguan Janus Precision Components Co., Ltd. Applicant before: DONGGUAN HUACHENG METAL TECHNOLOGY CO., LTD. |
|
| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151216 |
|
| RJ01 | Rejection of invention patent application after publication |