CN108417381A - Charge coil stamping manufacture method - Google Patents

Charge coil stamping manufacture method Download PDF

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Publication number
CN108417381A
CN108417381A CN201810481311.2A CN201810481311A CN108417381A CN 108417381 A CN108417381 A CN 108417381A CN 201810481311 A CN201810481311 A CN 201810481311A CN 108417381 A CN108417381 A CN 108417381A
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CN
China
Prior art keywords
copper foil
arcuation
copper wire
punching press
shots
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Application number
CN201810481311.2A
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Chinese (zh)
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CN108417381B (en
Inventor
梁平平
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Dongguan Leader Precision Manufacturing Technology Co Ltd
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Dongguan Leader Precision Manufacturing Technology Co Ltd
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Priority to CN201810481311.2A priority Critical patent/CN108417381B/en
Priority to PCT/CN2018/088418 priority patent/WO2019169745A1/en
Publication of CN108417381A publication Critical patent/CN108417381A/en
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Publication of CN108417381B publication Critical patent/CN108417381B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/04Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D33/00Special measures in connection with working metal foils, e.g. gold foils
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/2847Sheets; Strips
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/2847Sheets; Strips
    • H01F2027/2857Coil formed from wound foil conductor

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Motors, Generators (AREA)

Abstract

The invention discloses charge coil stamping manufacture methods, including step:Punching operation is carried out to copper foil, whole spiral arcuation copper wire is stamped out on copper foil, and there are even shots between arcuation copper wire, connect shots and arcuation copper wire and copper foil ontology link together;Arcuation copper wire on copper foil is fixed, arcuation copper wire and copper foil ontology are fixed together;Excision connects shots, allows arcuation copper wire joint forming at successional spiral coil.Advantage is, after carrying out punching operation, there are even shots between arcuation copper wire, connect shots for arcuation copper wire and copper foil ontology to link together, can prevent arcuation copper wire from generating prolapsus phenomenon in the state that copper foil is hanging in this way.Before excision even shots, first the arcuation copper wire on copper foil is fixed, not will produce prolapsus phenomenon.Excision is even after shots, and arcuation copper wire can be connected to completely, to form successional spiral coil, to realize the manufacture of charge coil.

Description

Charge coil stamping manufacture method
Technical field
The present invention relates to charge coil manufacturing field more particularly to a kind of charge coil stamping manufacture methods.
Background technology
Existing coil processing uses copper wire canoe, and poor dimensional precision, efficiency is low, cannot be satisfied Wireless charging coil Technology requirement.
Currently there are also new wireless charging electric wire circle manufacturing methods, such as Publication No.:The China of CN104465067A Patent of invention discloses a kind of production method of Wireless charging coil, includes the following steps:1) prepare plastic parts;System It is standby can laser activation coating;2) the pending area of plastic parts front and back spray one layer can laser activation painting Material;3) using laser plastic parts front it is radium-shine go out helix ring recess and feed point slot, on inner terminal and the second feed point slot Through-hole is set;And using laser on the plastic parts back side it is radium-shine go out pattern slot;4) cleaning step 3) treated plastic parts;5) right Electroless copper, electricity copper plating treatment are carried out in the slot of plastic rubber member surface successively.Its method pre-sets helix ring recess and feed point Then slot reuses electroless copper or the copper-plated mode of electricity and forms layers of copper in helix ring recess and feed point slot, ultimately forms Wireless charging coil.But this mode still has shortcoming, manufacturing method is very complicated, electroless copper or electricity copper facing It is complicated for operation, and easy to produce pollution.Helix ring recess and feed point slot must have certain wall thickness simultaneously, so as to cause filling Gap between electric coil is larger, and last product charge efficiency is not high.
Invention content
The object of the present invention is to provide charge coil stamping manufacture methods, can solve one in above-mentioned prior art problem It is a or multiple.
According to an aspect of the invention, there is provided a kind of charge coil stamping manufacture method comprising following steps;
Punching operation is carried out to copper foil, whole spiral arcuation copper wire is stamped out on copper foil, and in arcuation copper wire Between there are even shots, even shots arcuation copper wire and copper foil ontology are linked together;
Arcuation copper wire on copper foil is fixed, arcuation copper wire and copper foil ontology are fixed together;
Excision connects shots, allows arcuation copper wire joint forming at successional spiral coil.
Advantage is after carrying out punching operation, to reserve portion region, i.e., there are even expect between arcuation copper wire Point, even shots are for linking together arcuation copper wire and copper foil ontology, can prevent in this way arcuation copper wire in copper foil vacantly Prolapsus phenomenon is generated under state, is attached if not connecting shots, arcuation copper wire will will produce serious prolapsus phenomenon, cause The deformation of product.
Before excision even shots, first the arcuation copper wire on copper foil is fixed, arcuation copper wire and copper foil ontology are consolidated It is scheduled on together, then in excision even shots.At this point, due to being fixed, so arcuation copper wire is solid with copper foil ontology Determine, at one, not will produce prolapsus phenomenon.Even after shots, arcuation copper wire can be connected to completely for excision, continuous to be formed The spiral coil of property, to realize the manufacture of charge coil.
In some embodiments, the substep impact style that punching operation is continuous operation is carried out to copper foil, specifically included Following steps:
Copper foil is subjected to preliminary punching press using the first station, preliminary punching press only carries out punching press to the subregion of copper foil, The first arcuation copper wire is stamped out on copper foil;
Copper foil is subjected to follow-up punching press using the second station, follow-up punching press carries out punching press to the another subregion of copper foil, And the second arcuation copper wire is stamped out on copper foil;
There are even shots between subregion and another subregion, the first arc that even shots are used to tentatively to stamp out Shape copper wire, the second arcuation copper wire subsequently stamped out and copper foil ontology link together.
Advantage is, in the process of punching press by the way of substep punching press, primarily to realizing continuity Quick production substep punching press is carried out to copper foil, when preliminary punching press, only to the subregion of copper foil by the way that two station are arranged Punching press is carried out, the degree of preliminary punching press is preliminary to rush as possible tentatively to stamp out the arcuation copper wire come in the state that copper foil is hanging The arcuation copper wire pressed out may remain in a plane substantially with copper foil itself, i.e., the serious phenomenon that hangs will not occur, Can just facilitate in this way rotated, conveyed, gluing, the operations such as fixation or overlay film.Then follow-up punching press, follow-up punching press are carried out Shi Ze carries out punching press to another part region of copper foil.
Portion region can be reserved between preliminary punching press and follow-up punching press, i.e., stayed between subregion and another subregion There are even shots, even shots are used for the first arcuation copper wire tentatively stamped out, the second arcuation copper wire and copper foil that subsequently stamp out Ontology links together, and can prevent arcuation copper wire from generating prolapsus phenomenon in the state that copper foil is hanging in this way, if do not connected Shots are attached, and arcuation copper wire will will produce serious prolapsus phenomenon, cause the deformation of product.
In some embodiments, copper foil to be punched is divided into four quadrant areas, when preliminary punching press only to first as Limit and third quadrant carry out punching press, carry out punching press to the second quadrant and fourth quadrant again when follow-up punching press.Advantage is to lead to The mode of dislocation punching press is crossed, when ensureing preliminary punching press, the copper foil of only first quartile and third quadrant, which is stamped, to be produced The the first arcuation copper wire tentatively stamped out, this first arcuation copper wire only has a quarter to justify size, so will not produce substantially The raw phenomenon that hangs, it is ensured that the first arcuation copper wire tentatively stamped out is still substantially on same plane with copper foil.If Directly to be divided into two half-circle areas, when preliminary punching press direct one semicircle of punching press region, then there may be certain to hang down Fall phenomenon.
Entire circle can certainly be divided into third subregion, to carry out primary preliminary punching press and follow-up punching press twice, The punching press of entire charge coil is completed by punching press three times.Or eight equal parts are directly carried out, 8 equal subregions are numbered respectively 1、2、3、4、5、6、7、8.When preliminary punching press, preliminary punching press carried out to 1,3,5,7 four region, when follow-up punching press, to 2, 4,6,8 four regions carry out follow-up punching press.In contrast, the number of decile is more, it is ensured that preliminary to stamp out the arcuation come Copper wire is less susceptible to the phenomenon that hangs.
In some embodiments, it is either simplex station punching operation to carry out punching operation to copper foil, directly utilizes single punching press First step stamps out whole spiral arcuation copper wire on copper foil, and there are even shots between arcuation copper wire, either By rotating copper foil, whole spiral arcuation copper wire is stamped out on copper foil using single staking punch substep, and in arcuation There are even shots between copper wire.Advantage is directly to utilize either simplex station punching operation, and entire production method is easier, Equipment cost can substantially reduce, it is particularly possible to which the coil for being suitable for small lot makes, and saves equipment cost.
In some embodiments, the mode arcuation copper wire on copper foil being fixed is:It is carried out in the side of copper foil Overlay film, the position that overlay film corresponds to even shots are equipped with through-hole, and the range of through-hole is greater than or equal to the range of even shots.It is beneficial to effect Fruit is, in covering after overlay film, then is cut off to even shots, at this point, due to overlay film, so arcuation copper wire film supports Firmly, prolapsus phenomenon is not will produce.Even after shots, arcuation copper wire can form successional spiral coil for excision, to Realize the manufacture of charge coil.
When due to carrying out punching operation, the support there are one hard is needed in the bottom of copper foil, after through-hole is set, hard branch Support can be directed through through-hole and the bottom of copper foil is in direct contact, suitable to facilitate to the good support formed The operation for carrying out punching press excision and connecting shots of profit, but if being not provided with through-hole on overlay film, overlay film is to be completely covered on copper foil On, then when carrying out excision even shots, even the bottom of shots covers overlay film, since overlay film is typically plastic material It is manufactured, it is then elasticity that is very soft, and having certain for copper foil, so just can not in the bottom of even shots The stable rigid support formed, when excision even shots, the case where being susceptible to error, can not connect accurate Excision, to eventually affect product quality.Meanwhile provided with after overlay film, can before excision even shots, by overlay film come Arcuation copper wire on copper foil is fixed, prevents arcuation copper wire from the phenomenon that hangs occur.
Here overlay film generally uses low mucous membrane, you can and to allow overlay film to stick together with copper foil, but bonding force is very small, It can very easily be detached.
Due to the present invention be directly produced using punching press by the way of, so the precision of punching press can unusual height, can To reach the precision of 0.05mm.
In some embodiments, the mode arcuation copper wire on copper foil being fixed is:It is coated on arcuation copper wire Shaping glue, shaping glue are light binding or hot-setting adhesive.Advantage is can also to be given arcuation copper wire by the way that shaping glue is arranged You are fixed together at copper foil ontology, and light binding or hot-setting adhesive may be used in shaping glue, so as to quickly realize solidification, To allow arcuation copper wire to be fixed together with copper foil ontology.
In some embodiments, excision even the excision mode that uses of shots for die cut, high pressure waterjet, radium-shine cut Cut, etch cutting in any one.Advantage is that die cut typically cost is relatively low, and high pressure waterjet may be implemented more Careful notch reduces the generation of burr.Radium-shine cutting may be implemented accurately to cut, and precision is higher.Etching cutting relative cost It is relatively low.
In some embodiments, it is cascaded molding multiple spiral coils are horizontal or vertical direction It is stacked together.Advantage is that charge coil usually horizontal can be cascaded or hang down when formal use Histogram is to stacked together, to realize higher charge efficiency.
In some embodiments, molding spiral coil is carried out applying insulated paint operation, phase is prevented using insulated paint Short circuit between adjacent line circle.Advantage is to apply insulated paint operation by being carried out to spiral coil, can prevent short circuit Occur, ensures the normal use of product.
In some embodiments, viscose glue is coated to the side of molding spiral coil, and sticks packaging film.Its is beneficial Effect is, to ultimately form formal charge coil product, facilitates and carries out shipment and transport.
Description of the drawings
Fig. 1 is the flow diagram of the charge coil stamping manufacture method of an embodiment of the present invention.
Fig. 2 is the multiple step format impact style flow signal of the charge coil stamping manufacture method of an embodiment of the present invention Figure.
Fig. 3 is the effect using multiple step format impact style of the charge coil stamping manufacture method of an embodiment of the present invention Schematic diagram.
Fig. 4 is that the arcuation copper wire of the charge coil stamping manufacture method of an embodiment of the present invention carries out overlay film fixed one Kind structural schematic diagram.
Fig. 5 is the enlarged diagram of part A in Fig. 4.
Fig. 6 is that the arcuation copper wire of the charge coil stamping manufacture method of an embodiment of the present invention carries out gluing fixed one Kind structural schematic diagram.
Fig. 7 is the enlarged diagram of part B in Fig. 6.
Fig. 8 is the producing line schematic diagram of the substep punching press of the charge coil stamping manufacture method of an embodiment of the present invention.
Fig. 9 is the structural schematic diagram of the charge coil of an embodiment of the present invention;
Figure 10 is the structural schematic diagram after the inner end fold of the charge coil of an embodiment of the present invention.
Figure 11 is the side block diagram after inner end fold in Figure 10.
Specific implementation mode
1 to 11 the present invention is described in further detail below in conjunction with the accompanying drawings.
The invention discloses a kind of charge coil stamping manufacture methods comprising following steps:
Step S1:Punching operation is carried out to copper foil, whole spiral arcuation copper wire is stamped out on copper foil, and in arc There are even shots 201 between shape copper wire, connect shots 201 and arcuation copper wire and copper foil ontology 204 link together;
Step S2:Arcuation copper wire on copper foil is fixed, arcuation copper wire and copper foil ontology 204 are fixed together;
Step S3:Excision connects shots 201, allows arcuation copper wire joint forming at successional spiral coil.
After carrying out punching operation, portion region can be reserved, i.e., there are even shots 201 between arcuation copper wire, connects shots 201 For arcuation copper wire and copper foil ontology 204 to link together, it can prevent arcuation copper wire in the state that copper foil is hanging in this way Prolapsus phenomenon is generated, is attached if not connecting shots 201, arcuation copper wire will will produce serious prolapsus phenomenon, cause to produce The deformation of product.
Before excision even shots 201, first the arcuation copper wire on copper foil is fixed, by arcuation copper wire and copper foil ontology 204 are fixed together, then in excision even shots 201.At this point, due to being fixed, so arcuation copper wire and copper Foil ontology 204 has been fixed into one, not will produce prolapsus phenomenon.Even after shots 201, arcuation copper wire can connect completely for excision It is logical, to form successional spiral coil, to realize the manufacture of charge coil.
For the punching operation of copper foil, the multiple step format impact style of continuous operation, or the list of single station can be selected Step formula impact style.
When carrying out the substep impact style that punching operation is continuous operation to copper foil, specifically comprise the following steps:
Step S11:Copper foil is subjected to preliminary punching press using the first station 102, preliminary punching press is only to the subregion of copper foil Punching press is carried out, the first arcuation copper wire 202 is stamped out on copper foil;
Step S12:Copper foil is subjected to follow-up punching press, another part area of the follow-up punching press to copper foil using the second station 103 Domain carries out punching press, and the second arcuation copper wire 203 is stamped out on copper foil;
Step S13:There are company's shots 201 between subregion and another subregion, and company's shots 201 are used for will be preliminary The first arcuation copper wire 202 for stamping out, the second arcuation copper wire 203 subsequently stamped out and copper foil ontology 204 link together.
In the process of punching press by the way of substep punching press, primarily to realizing successional quick production, lead to Two station of setting are crossed, substep punching press is carried out to copper foil, when preliminary punching press, punching press only are carried out to the subregion of copper foil, tentatively The degree of punching press tentatively stamps out the arcuation come as possible tentatively to stamp out the arcuation copper wire come in the state that copper foil is hanging Copper wire may remain in a plane substantially with copper foil itself, i.e., the serious phenomenon that hangs will not occur, so just can be square Just rotated, conveyed, gluing, the operations such as fixation or overlay film 205.Then follow-up punching press is carried out, then to copper when follow-up punching press Another part region of foil carries out punching press.
Portion region can be reserved between preliminary punching press and follow-up punching press, i.e., stayed between subregion and another subregion There are even shots 201, even shots 201 are used for the first arcuation copper wire 202 tentatively stamped out, the second arcuation copper subsequently stamped out Line 203 and copper foil ontology 204 link together, and can prevent arcuation copper wire from generating prolapsus in the state that copper foil is hanging so existing As being attached if not connecting shots 201, arcuation copper wire will will produce serious prolapsus phenomenon, cause the deformation of product.
When using successional substep punching operation, web-like copper material 100 may be used in copper foil, passes through pull feeder 101 pull out, and successional conveying carries out substep punching press.
When using multiple step format punching press, copper foil to be punched can be divided into four quadrant areas, when preliminary punching press only Punching press carried out to first quartile and third quadrant, when follow-up punching press carries out punching press to the second quadrant and fourth quadrant again.Its is beneficial Effect is that by way of the punching press that misplaces, when ensureing preliminary punching press, only the copper foil of first quartile and third quadrant is rushed Pressure produces the first arcuation copper wire 202 tentatively stamped out, and this first arcuation copper wire 202 only has a quarter to justify size, So not will produce the phenomenon that hangs substantially, it is ensured that the first arcuation copper wire 202 tentatively stamped out is still located substantially with copper foil In on same plane.If it is being directly divided into two half-circle areas, when preliminary punching press direct one semicircle of punching press region, then There may be certain phenomenons that hangs.
Or can also, directly substep successively punching press can also, i.e., first punching press first quartile, then punching press third quadrant, The second quadrant of punching press again, last punching press fourth quadrant.Entire circle can certainly be divided into third subregion, it is primary to carry out Preliminary punching press and follow-up punching press twice, the punching press of entire charge coil is completed by punching press three times.Or directly carry out eight etc. Divide, subregions number 1,2,3,4,5,6,7,8 respectively are waited by 8.When preliminary punching press, 1,3,5,7 four region is carried out preliminary When follow-up punching press, follow-up punching presses are carried out to 2,4,6,8 four regions for punching press.In contrast, the number of decile is more, can To ensure that the arcuation copper wire for tentatively stamping out is less susceptible to the phenomenon that hangs.
Meanwhile carrying out punching operation to copper foil can also use either simplex station punching operation, i.e. copper foil that can directly cut out in advance It is cut into shape one by one, then directly stamps out whole spiral arcuation on copper foil using one step of single staking punch Copper wire, and there are even shots 201 between arcuation copper wire, or by rotating copper foil, using single staking punch substep in copper Whole spiral arcuation copper wire is stamped out on foil, and there are even shots 201 between arcuation copper wire.Advantage is, Either simplex station punching operation is directly utilized, entire production method is easier, and equipment cost can substantially reduce, it is particularly possible to be applicable in It is made in the coil of small lot, saves equipment cost.
Arcuation copper wire on copper foil is fixed, a third station 104 may be used to realize fixed operation, by arc Shape copper wire is fixed together with copper foil ontology 204, and various forms may be used, it is only necessary to the fixation of arcuation copper wire may be implemented, It prevents from hanging.
For example, overlay film 205 can be carried out in the side of copper foil, the position of even shots 201 is preferably corresponded in overlay film 205 Through-hole 206 is installed, the range of through-hole 206 is greater than or equal to the range of even shots 201.Advantage is overlay film in covering After 205, then even shots 201 are cut off, at this point, due to overlay film 205, so arcuation copper wire film 205 supports , not will produce prolapsus phenomenon.Even after shots 201, arcuation copper wire can form successional spiral coil for excision, to Realize the manufacture of charge coil.
The reason of through-hole 206 are arranged is, when due to carrying out punching operation, needs the branch there are one hard in the bottom of copper foil Support, after through-hole 206 is arranged, rigid support can be directed through through-hole 206 and the bottom of copper foil is in direct contact, to what is formed One good support, to the convenient operation for smoothly carrying out punching press excision and connecting shots 201, but if on overlay film 205 It is not provided with through-hole 206, overlay film 205 is completely covered on copper foil, then when carrying out excision even shots 201, connects shots 201 Bottom cover overlay film 205, since overlay film 205 is typically made of plastic material, the then right and wrong for copper foil It is often soft, and certain elasticity is had, so the stable hard branch that can not be just formed in the bottom of even shots 201 Support the case where being susceptible to error, can not connect accurate excision, to eventually affect when excision even shots 201 Product quality., can be before excision even shots 201 meanwhile after being provided with overlay film 205, it will be on copper foil by overlay film 205 Arcuation copper wire is fixed, and prevents arcuation copper wire from the phenomenon that hangs occur.
Here overlay film 205 generally uses low mucous membrane, you can to allow overlay film 205 and copper foil to stick together, but bonding force It is very small, it can very easily be detached.
Due to the present invention be directly produced using punching press by the way of, so the precision of punching press can unusual height, can To reach the precision of 0.05mm.
Meanwhile fixed mode can also be that shaping glue 207 is coated on arcuation copper wire, shaping glue 207 be light binding or Person's hot-setting adhesive.Advantage is can also to be fixed arcuation copper wire to your copper foil ontology 204 by the way that shaping glue 207 is arranged Together, light binding or hot-setting adhesive may be used in shaping glue 207, so as to quickly realize solidification, to allow arcuation copper Line is fixed together with copper foil ontology 204.The application place of fixing glue can only be needed along radial direction or other shapes It wants arcuation copper wire and copper foil ontology 204 can be fixed together.
Excision even shots 201 can be carried out in the 4th station 105, the excision mode used for die cut, High pressure waterjet, it is radium-shine cutting, etching cutting in any one.Advantage is that die cut typically cost is relatively low, water knife Finer notch may be implemented in cutting, reduces the generation of burr.Radium-shine cutting may be implemented accurately to cut, and precision is higher.Erosion Cutting is carved to be of relatively low cost.
In final assembling, can be cascaded molding multiple spiral coils are horizontal or vertical direction It is stacked together.Advantage is that charge coil usually horizontal can be cascaded or hang down when formal use Histogram is to stacked together, to realize higher charge efficiency.
Meanwhile because the very high cutting effect of precision may be implemented in the present invention, the distance between arcuation copper wire is very small, After being stained with dust, it is susceptible to short circuit phenomenon, it is possible to be carried out to molding spiral coil by the 5th station 106 Insulated paint operation is applied, the short circuit between adjacent windings is prevented using insulated paint.Advantage is, by spiral coil into Row applies insulated paint operation, can prevent the generation of short circuit, ensure the normal use of product.Usually applying the operation of insulated paint can adopt Use baking finish process.Finally obtain finished product 107.
Viscose glue is coated to the side of the spiral coil of finished product 107, and sticks packaging film.Advantage is, to most End form facilitates at formal charge coil product and carries out shipment and transport.
In general, as shown in Fig. 9,10,11, when punching press, can also directly be rushed on successional spiral coil Extrude corresponding inner end 208 and outer end 209.Wherein inside end 208 and outer end 209 can be used as charge coil assembling in future When link position.Usually inner end 208 can specially be stayed longer, then directly long part will be stayed to carry out fold behaviour Make, so that the position being substantially flush is realized in inner end 208 and outer end 209, to facilitate last assembling and connection.
The Wireless charging coil specifications parameter that the manufacturing process of the present invention may be implemented is as follows:
The above are merely some embodiments of the present invention.For those of ordinary skill in the art, it is not departing from Under the premise of the invention is conceived, various modifications and improvements can be made, these are all within the scope of protection of the present invention.

Claims (10)

1. charge coil stamping manufacture method, it is characterised in that;
Punching operation is carried out to copper foil, whole spiral arcuation copper wire is stamped out on copper foil, and between arcuation copper wire There are even shots, the even shots link together arcuation copper wire and copper foil ontology;
Arcuation copper wire on copper foil is fixed, arcuation copper wire and copper foil ontology are fixed together;
The even shots are cut off, allow the arcuation copper wire joint forming at successional spiral coil.
2. charge coil stamping manufacture method according to claim 1, which is characterized in that it is continuous to carry out punching operation to copper foil The substep impact style of operation, specifically comprises the following steps:
Copper foil is subjected to preliminary punching press using the first station, preliminary punching press only carries out punching press to the subregion of copper foil, in copper foil On stamp out the first arcuation copper wire;
Copper foil is subjected to follow-up punching press using the second station, follow-up punching press carries out punching press to the another subregion of copper foil, and The second arcuation copper wire is stamped out on copper foil;
There are even shots between subregion and another subregion, the first arcuation copper that even shots are used to tentatively to stamp out Line, the second arcuation copper wire subsequently stamped out and copper foil ontology link together.
3. charge coil stamping manufacture method according to claim 2, which is characterized in that by copper foil to be punched be divided into four as Region is limited, punching press only carried out to first quartile and third quadrant when preliminary punching press, again to the second quadrant and the 4th when follow-up punching press Quadrant carries out punching press.
4. charge coil stamping manufacture method according to claim 1, which is characterized in that it is either simplex to carry out punching operation to copper foil It stands punching operation, directly stamps out whole spiral arcuation copper wire on copper foil using one step of single staking punch, and in arc There are even shots between shape copper wire, or by rotating copper foil, and entirety is stamped out on copper foil using single staking punch substep Spiral arcuation copper wire, and there are even shots between arcuation copper wire.
5. charge coil stamping manufacture method according to claim 1, which is characterized in that consolidate to the arcuation copper wire on copper foil Fixed mode is:Overlay film is carried out in the side of copper foil, the position that the overlay film corresponds to even shots is equipped with through-hole, the range of through-hole More than or equal to the range of even shots.
6. charge coil stamping manufacture method according to claim 1, which is characterized in that consolidate to the arcuation copper wire on copper foil Fixed mode is:Shaping glue is coated on arcuation copper wire, the shaping glue is light binding or hot-setting adhesive.
7. charge coil stamping manufacture method according to claim 1, which is characterized in that the excision excision that even shots use Mode is any one in die cut, high pressure waterjet, radium-shine cutting, etching cutting.
8. charge coil stamping manufacture method according to claim 1, which is characterized in that be in by molding multiple spiral coils It is horizontal to be cascaded or vertical direction is stacked together.
9. charge coil stamping manufacture method according to claim 1, which is characterized in that applied to molding spiral coil Insulated paint operates, and the short circuit between adjacent windings is prevented using insulated paint.
10. charge coil stamping manufacture method according to claim 1, which is characterized in that the one of molding spiral coil Viscose glue is coated in side, and sticks packaging film.
CN201810481311.2A 2018-03-07 2018-05-18 Charge coil stamping manufacture method Active CN108417381B (en)

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CN201810481311.2A CN108417381B (en) 2018-05-18 2018-05-18 Charge coil stamping manufacture method
PCT/CN2018/088418 WO2019169745A1 (en) 2018-03-07 2018-05-25 Charging coil stamping manufacturing method

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Application Number Priority Date Filing Date Title
CN201810481311.2A CN108417381B (en) 2018-05-18 2018-05-18 Charge coil stamping manufacture method

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CN108417381A true CN108417381A (en) 2018-08-17
CN108417381B CN108417381B (en) 2019-06-11

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CN109686561A (en) * 2019-01-25 2019-04-26 宁波优佳流体控制设备有限公司 A kind of production method of reactor winding
TWI827815B (en) * 2019-03-19 2024-01-01 英屬開曼群島商鴻騰精密科技股份有限公司 Wireless charging coil and a method for producing thereof

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CN104768347A (en) * 2015-01-30 2015-07-08 东莞劲胜精密组件股份有限公司 Electronic product shell with wireless charging function and manufacturing method of electronic product shell

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* Cited by examiner, † Cited by third party
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CN109686561A (en) * 2019-01-25 2019-04-26 宁波优佳流体控制设备有限公司 A kind of production method of reactor winding
TWI827815B (en) * 2019-03-19 2024-01-01 英屬開曼群島商鴻騰精密科技股份有限公司 Wireless charging coil and a method for producing thereof

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