CN106158226B - A kind of discharge coil and preparation method thereof - Google Patents
A kind of discharge coil and preparation method thereof Download PDFInfo
- Publication number
- CN106158226B CN106158226B CN201610742945.XA CN201610742945A CN106158226B CN 106158226 B CN106158226 B CN 106158226B CN 201610742945 A CN201610742945 A CN 201610742945A CN 106158226 B CN106158226 B CN 106158226B
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- coil
- nylon base
- positive electrode
- insulating cement
- discharge
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus 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
- H01F41/02—Apparatus 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
- H01F41/04—Apparatus 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Electrostatic Separation (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention discloses a kind of discharge coil and its process for making.Coil is directly process using wire cutting copper dish, and built with nut, coil is fixed on nylon base nylon base；Coil is connected in one with nylon base plate glue, to ensure that coil can bear larger axial load.Coil positive electricity extremely racket-shaped is interference fitted with the circle of coil inside first, is drawn from internal first circle；Negative electrode is connected by screw bolts with coil outermost turn.Coil is radially provided with multiple heat emission holes and is evenly distributed, for improving the heat dispersion of coil.When discharge coil makes, between baffle plate and nylon base leaving gap flows into insulating cement.Coil electrode is directly drawn by copper coin, simplifies loop construction and later stage manufacturing process；The heat emission hole of discharge coil radial direction, cooling air is fully circulated in coil inside, there is good thermal diffusivity.Using linear cutter coil, ensure the rule of coil spiral shape and the uniformity with batch loop construction size.
Description
Technical field
The present invention relates to technological equipment structure design and manufacturing technology, specifically, is related to a kind of discharge coil and its system
Make method.
Background technology
Electromagnetism loading equipemtn include electro-magnetic forming equipment, electromagnetic rivetter and it is other pass through coil discharge realize at a high speed
The equipment of loading；Discharge coil is one of key componentses of equipment.The most discharge coil of application is disc line at present
Circle.This coil is usually to be formed with copper strips coiling.Coil turn-to-turn requires insulation, is typically wrapped up in by insulating resin or glass cloth deposited
Copper strips meets insulating requirements.Coil will typically bear thousands of or even up to ten thousand amperes of electric current, coil turn-to-turn in the course of the work
Repulsion can be produced.In addition, coil will be born compared with strong impact force.High current during coil discharge can make coil produce certain heat,
More tasks can cause coil temperature to raise quickly.And insulating resin typically requires that its working environment is no more than 100 °, otherwise can
Cause coil insulation hydraulic performance decline or even destroy.Therefore, high performance coil should have preferable heat dispersion.
Patent of invention CN101521077B discloses a kind of discharge coil for electromagnetic riveter and preparation method thereof.The discharge lines
Circle and preparation method thereof, the coiling by the way of copper strips is wound by hand, the copper strips after winding by bolt and are placed in coil
Square nut connection on shell, and carry out sealant pouring and sealing.During actual manufacture, square knuckle nut has been embedded on coil case,
Being connected by bolt with copper strip joint, this connected mode is complicated, and when coil during this thump by being built in
Square nut on shell can loosen, and cause joint to go wrong.Because the mode stability wound by hand is poor, cause a collection of system
The stability of coil made is poor；When copper strips thickness is more than or equal to 2mm, winding is highly difficult by hand, and easily occur that copper strips fractures shows
As.After the completion of coil winding copper strips, connector box shell are encapsulated with insulating resin.Coil improves line only by central punch mode
The thermal diffusivity of circle, thermal diffusivity is poor, and the phenomenon that coil temperature is too high and causes coil to destroy often occurs.
The content of the invention
In order to avoid coil insulation, weak heat-dissipating existing for prior art, temperature is too high and causes coil destruction and joint easy
The problem of loosening, the present invention propose a kind of discharge coil and preparation method thereof.The electrode of discharge coil is directly from the most interior of coil
Circle is drawn with outmost turns, simplifies loop construction.Coil is directly processed into copper dish using linear cutter mode, can solve hand
Work winding can not realize the problem of big thickness copper strips winding, also can guarantee that completely the same with batch loop construction size.
The technical solution adopted for the present invention to solve the technical problems is:Discharge coil includes coil, nylon base, spiral shell
Plug, dead ring, positive electrode, negative electrode, the coil are step circular ring structure, using wire cutting mode to copper dish process and
Into coil is fixed on nylon base, and groove is radially provided with coil step, for placing and compressing positive electrode；Coil is circumferential
Multiple through holes are evenly equipped with, the radiating for intensifier coil；The nylon susceptor surface has counter sink, for being put into nut, plug screw
For trapezoidal revolving body, for blocking the big end of nylon susceptor surface counter sink, there are multiple nuts in nylon base, for discharge coil
Be connected, for drawing being connected for joint and discharge coil, boss and the hub of a spool through hole of nylon base center
Coordinate for gap；The positive electricity extremely racket-shaped, dead ring are enclosed on the big end of coil step, and positive electrode was with coil step small end
It is full of cooperation, the outer ring of negative electrode and coil is spirally connected, and has dead ring between positive electrode and coil, for ensureing the axle of electrode and coil
To distance.
A kind of method for making the discharge coil, it is characterised in that comprise the following steps:
The processing of step 1. material surface；From red copper disk material, the greasy dirt and oxide layer on surface are removed；
Step 2. makes strap coil；Copper dish radially process multiple through holes, carry out linear cutter into coil, unhairing
Thorn；
Step 3. installs positive electrode；Dead ring is sleeved on the big end of coil step, positive electrode is sleeved on coil step small end,
Opening at riveting platform rank small end, positive electrode is compressed, is welded and fixed；
Step 4. installs coil and nylon base；Nut is put into nylon base counter sink, blend compounds are blocked with plug screw
Water seal is dead；The coil and nylon base of positively charged pole are installed, it is spacing by nylon base center boss, positive electrode is put into nylon
In base facing groove；
Step 5. installs negative electrode；Negative electrode is spirally connected with coil outer ring and is welded with scolding tin；Installation is born
Electrode and the angle of positive electrode 4 are 70~80 °；
Step 6. pours into a mould preceding preparation；Pin and baffle plate are installed, the pin for coating lubricating oil is put into coil heat emission hole, is prevented
Only insulating cement flows into；Baffle plate is installed, is enclosed at the big end stand rank of nylon base, baffle plate and nylon base junction is snarled with adhesive plaster,
Prevent insulating cement from being spilt from side；
Step 7. pours into insulating cement；Insulating cement is poured slowly into coil, insulating cement overflows and covers coil；
Step 8. vacuumizes；The coil for pouring into insulating cement is put into vacuum extractor and vacuumized, observation is treated in coil absolutely
When edge glue surface is emerged there is no bubble, stop vacuumizing, take out coil glue；
Step 9. is dried；Coil is put into baking oven, taken out after insulating cement is fully cured；
Step 10. post-processing；Baffle plate is removed, takes out and plug is sold in heat emission hole, the insulating cement that cleaning coil surface overflows is complete
Into the making of coil.
Beneficial effect
A kind of discharge coil proposed by the present invention and preparation method thereof；Coil by copper dish using linear cutter and
Into being fixed on nylon base and be connected in one with nylon base plate glue, to ensure that coil can bear larger axial load.Nylon bottom
Nut is embedded with seat, is fixed for coil.Positive electrode is in racket type, is interference fitted with the circle of coil inside first, from inside first
Circle is drawn, and negative electrode is connected by screw bolts with coil outermost turn.Coil is radially provided with multiple heat emission holes, improves the thermal diffusivity of coil
Energy.Electrode is directly drawn from the innermost circle of coil with outmost turns, simplifies loop construction.
Discharge coil of the present invention and preparation method thereof；Coil, can be by setting directly by the way of wire cutting is processed to copper dish
Meter requires the thickness of processing coil, and big thickness copper strips winding and by hand winding copper strips uniformity can not be realized by overcoming winding by hand
The problem of poor.
The baffle plate of coil leaves certain interval with nylon base, so that insulating cement flows into.Because coil electrode directly passes through
Copper coin is drawn, and simplifies loop construction and later stage manufacturing process；Discharge coil is radially provided with thermal vias, empty for coil inside
Gas fully circulates, and efficiently solves the problem of electric discharge temperature rise is fast.
Brief description of the drawings
A kind of discharge coil of the present invention and preparation method thereof is made further specifically with embodiment below in conjunction with the accompanying drawings
It is bright.
Fig. 1 is discharge coil schematic diagram of the present invention.
Fig. 2 is discharge coil structural representation of the present invention.
Fig. 3 is the positive electrode schematic diagram of discharge coil of the present invention.
Fig. 4 is the nylon base schematic diagram of discharge coil of the present invention.
Fig. 5 is the coil of the present invention.
Fig. 6 is the plug screw of the present invention.
In figure:
1. the negative electrode of 6. plug screw of coil 2. nylon base, 3. dead ring, 4. positive electrode, 5. baffle plate 7.
Embodiment
The present embodiment is a kind of discharge coil and preparation method thereof.
Refering to Fig. 1~Fig. 6, this example discharge coil is by coil 1, nylon base 2, plug screw 6, dead ring 3, positive electrode 4, negative
Electrode 7 and baffle plate 5 form；Wherein, coil 1 is step circular ring structure, by being formed to copper dish using linear cutter, coil
1 is fixed on nylon base 2, groove is radially provided with the step of coil 1, for compressing and rivetting positive electrode；Coil 1 radially adds
Work has multiple through holes, for the radiating of intensifier coil 1.The Surface Machining of nylon base 2 has counter sink, for being put into nut；Plug screw
6 be trapezoidal revolving body, and for blocking the big end of surface counter sink of nylon base 2, boss and the hub of a spool of nylon base center lead to
Hole is that gap coordinates, and has multiple nuts in nylon base 2, for drawing being connected for joint and discharge coil.Positive electrode 4 is
Racket-shaped structure, dead ring 3 are enclosed on the big end of the step of coil 1, positive electrode 4 and the step small end elastic conjunction of coil 1, negative electrode 7 with
The outer ring of coil 1 is spirally connected；Dead ring 3 is separated between positive electrode 4 and coil 1, to ensure the axial distance of electrode and coil.
For discharge coil make method be:This example discharge coil selects red copper disk material, and to the greasy dirt on surface
And oxide layer is purged processing；Coil outer diameter is designed as Φ 90mm, and single turn copper strips thickness is 2mm, and turn-to-turn is away from for 1mm.Coil
It is fixed on nylon base, nylon base external diameter is Φ 100mm, and center-hole diameter is Φ 18mm.Hub of a spool bore dia is Φ
8 circles are cut into 22mm, copper dish processing.
The through holes of φ 3 are uniformly processed first in copper dish circumference, angle is 60 ° between holes, and the position for processing through hole is avoided
The installation site of negative electrode 7, linear cutter is then carried out into coil 1.Positive electrode 4 is racket-shaped, first by dead ring 3 before assembling
The big end of the step of coil 1 is enclosed on, positive electrode 4 and the step small end of coil 1 are elastic conjunction, then put down step small end opening riveting,
Complete the fabrication and installation of positive electrode 4.The Surface Machining of nylon base 2 has three counter sinks, and 3 M6 nut is embedded into Buddhist nun respectively
In the macropore of the imperial counter sink of base 2, bury and block counter sink macropore with plug screw 6 afterwards on earth, blend compounds water seal is dead.
The endoporus of coil 1 coordinates with the boss of nylon base 2 for gap, and racket-shaped positive electrode 4 is just embedded to nylon after installation
In the facing groove of base 2.Negative electrode 7 is connected and is welded using brass screw with the outer ring of coil 1, has both ensured that negative electrode 7 connects with coil 1
Intensity is connect, also ensure that electric conductivity.Angular range is 70 ° to 80 ° between the negative electrode 7 and positive electrode 4 of installation.
Prepare 6 a length of 38mm, a diameter of 3mm pin, insert in the heat emission hole of coil 1 after coating lubricating oil, prevent
Insulating cement seals real heat emission hole during cast.It is enclosed on before cast with baffle plate 5 at the big end stand rank of nylon base 2, positive electrode 4 lacks from baffle plate 5
Extended out at mouthful.Baffle plate 5 and the winding of the junction of nylon base 2 are sealed with adhesive tape, insulating cement is from connection gap when preventing cast
Place's outflow.
Insulating cement is slowly poured into coil 1, until insulating cement covering coil 1, when insulating cement is poured into from coil-end
Stop cast when at 3~5mm of face.Coil 1 after cast, which is put into vacuum machine, extracts vacuum, it is seen that insulating cement end face constantly has
Bubble is emerged, and when stopping producing bubble, is taken out coil 1 and is put into drying in dryer.Coil 1 is taken out after 24 hours, insulated
After adhesive curing, baffle plate 5 and the pin in heat emission hole are removed.Coil end face processing cart is put down, completes the making that discharge coil makes.
Carry out voltage tester.Discharge cable is connected to positive electrode 4, the negative electrode 7 of discharge coil respectively, in adding for 1000V
Carry under voltage, by load test more than 3000 times, carry out detecting the discharge coil life-span, complete test.
Claims (2)
- A kind of 1. discharge coil, it is characterised in that：Including coil, nylon base, plug screw, dead ring, positive electrode, negative electrode, institute It is step circular ring structure to state coil, copper dish is process using wire cutting mode, coil is fixed on nylon base, coil Groove is radially provided with step, for placing and compressing positive electrode；Coil is circumferentially evenly equipped with multiple through holes, for intensifier coil Radiating；The nylon susceptor surface has counter sink, and for being put into nut, plug screw is trapezoidal revolving body, for blocking nylon base The big end of surface counter sink, there are multiple nuts in nylon base, for being connected for discharge coil, for drawing joint and electric discharge Coil is connected, and the boss of nylon base center coordinates with hub of a spool through hole for gap；The positive electricity extremely racket-shaped, Dead ring is enclosed on the big end of coil step, and with coil step small end to be interference fitted, the outer ring of negative electrode and coil is spirally connected positive electrode, There is dead ring between positive electrode and coil, for ensureing the axial distance of electrode and coil.
- A kind of 2. method for making the discharge coil as described in claim 1, it is characterised in that comprise the following steps：The processing of step 1. material surface；From red copper disk material, the greasy dirt and oxide layer on surface are removed；Step 2. makes strap coil；Copper dish radially process multiple through holes, carry out linear cutter into coil, deburring；Step 3. installs positive electrode；Dead ring is sleeved on the big end of coil step, positive electrode is sleeved on coil step small end, and riveting is put down Opening at step small end, positive electrode is compressed, is welded and fixed；Step 4. installs coil and nylon base；Nut is put into nylon base counter sink, blend compounds water seal is blocked with plug screw Extremely；The coil and nylon base of positively charged pole are installed, it is spacing by nylon base center boss, positive electrode is put into nylon base In facing groove；Step 5. installs negative electrode；Negative electrode is spirally connected with coil outer ring and is welded with scolding tin；The negative electrode of installation It it is 70~80 ° with positive electrode angle；Step 6. pours into a mould preceding preparation；Pin and baffle plate are installed, the pin for coating lubricating oil is put into coil heat emission hole, is prevented absolutely Edge glue flows into；Baffle plate is installed, is enclosed at the big end stand rank of nylon base, is snarled baffle plate and nylon base junction with adhesive plaster, prevent Insulating cement is spilt from side；Step 7. pours into insulating cement；Insulating cement is poured slowly into coil, insulating cement overflows and covers coil；Step 8. vacuumizes；The coil for pouring into insulating cement is put into vacuum extractor and vacuumized, insulating cement in coil is treated in observation When surface is emerged there is no bubble, stop vacuumizing, take out coil glue；Step 9. is dried；Coil is put into baking oven, taken out after insulating cement is fully cured；Step 10. post-processing；Baffle plate is removed, takes out and plug is sold in heat emission hole, the insulating cement that cleaning coil surface overflows, is completed The making of coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610742945.XA CN106158226B (en) | 2016-08-26 | 2016-08-26 | A kind of discharge coil and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610742945.XA CN106158226B (en) | 2016-08-26 | 2016-08-26 | A kind of discharge coil and preparation method thereof |
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| CN106158226A CN106158226A (en) | 2016-11-23 |
| CN106158226B true CN106158226B (en) | 2018-02-09 |
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| CN201610742945.XA Active CN106158226B (en) | 2016-08-26 | 2016-08-26 | A kind of discharge coil and preparation method thereof |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106710777B (en) * | 2017-03-15 | 2018-05-04 | 福州大学 | A kind of electro-magnetic forming loop construction and preparation method thereof |
| CN108806968B (en) * | 2018-06-16 | 2023-03-21 | 湖北博士隆科技有限公司 | Design and manufacturing method of electromagnetic self-piercing riveting flat coil |
| 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 |
| CN110060866B (en) * | 2019-05-30 | 2024-01-26 | 福州大学 | Coil winding device for electromagnetic riveting and working method thereof |
| CN112582172B (en) * | 2020-12-17 | 2022-09-27 | 安徽沃华电力设备有限公司 | Composite insulating cylinder, current limiter and processing technology of composite insulating cylinder |
| CN116978690B (en) * | 2023-08-14 | 2024-01-02 | 常州敏杰电器有限公司 | Manufacturing process of coil iron core assembly of elevator band-type brake |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101521077A (en) * | 2008-11-28 | 2009-09-02 | 西北工业大学 | Discharge coil for electromagnetic riveter and production method thereof |
| CN104779029A (en) * | 2015-04-24 | 2015-07-15 | 福州大学 | Double-layer coil for electromagnetic formation and manufacturing method of double-layer coil |
| CN104841840A (en) * | 2015-04-24 | 2015-08-19 | 福州大学 | Portable double-coil electromagnetic riveting device |
| CN105761900A (en) * | 2016-04-25 | 2016-07-13 | 福州大学 | Electromagnetic riveting coil and manufacturing method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001095207A (en) * | 1999-09-22 | 2001-04-06 | Oopakku Kk | Flat commutator and method for manufacture thereof |
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2016
- 2016-08-26 CN CN201610742945.XA patent/CN106158226B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101521077A (en) * | 2008-11-28 | 2009-09-02 | 西北工业大学 | Discharge coil for electromagnetic riveter and production method thereof |
| CN104779029A (en) * | 2015-04-24 | 2015-07-15 | 福州大学 | Double-layer coil for electromagnetic formation and manufacturing method of double-layer coil |
| CN104841840A (en) * | 2015-04-24 | 2015-08-19 | 福州大学 | Portable double-coil electromagnetic riveting device |
| CN105761900A (en) * | 2016-04-25 | 2016-07-13 | 福州大学 | Electromagnetic riveting coil and manufacturing method thereof |
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| CN106158226A (en) | 2016-11-23 |
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Effective date of registration: 20210205 Address after: Room 411, block B, innovation building, xigongda, 127 Youyi West Road, Xi'an, Shaanxi 710072 Patentee after: Shaanxi Dagong Xuhang Electromagnetic Technology Co.,Ltd. Address before: 710072 No. 127 Youyi West Road, Shaanxi, Xi'an Patentee before: Northwestern Polytechnical University |