CN106205993A - A kind of polygon core production technique - Google Patents
A kind of polygon core production technique Download PDFInfo
- Publication number
- CN106205993A CN106205993A CN201610690842.3A CN201610690842A CN106205993A CN 106205993 A CN106205993 A CN 106205993A CN 201610690842 A CN201610690842 A CN 201610690842A CN 106205993 A CN106205993 A CN 106205993A
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Classifications
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- 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
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0246—Manufacturing of magnetic circuits by moulding or by pressing powder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
- B22F3/03—Press-moulding apparatus therefor
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/12—Electroplating: Baths therefor from solutions of nickel or cobalt
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/30—Electroplating: Baths therefor from solutions of tin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
- B22F3/03—Press-moulding apparatus therefor
- B22F2003/033—Press-moulding apparatus therefor with multiple punches working in the same direction
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Electroplating Methods And Accessories (AREA)
- Soft Magnetic Materials (AREA)
Abstract
The present invention provides a kind of polygon core production technique, and described technique includes following steps: the most once-forming, makes magnetic core profile and center pillar one-shot forming by upper two times two molds, forms I-shaped core base；The most secondary forming, it is pressed into pattern by upper two times three secondary forming to core body, forms core body；Magnetic force polishing again, produces higher suspension flowing, vibrations, and draw point slips over core surface and is ground, polishing；Then plate insullac, plate insullac in core surface；Then bat printing end silver；Then re-plating, utilizes the mode of electrolysis to make nickel solution or solution of tin electroplating deposition on magnetic core surface, forms the metal level uniform, fine and close, adhesion is good；Finally electroplated airing magnetic core.The present invention improves quality and production efficiency, and reduces raw-material waste.
Description
Technical field
The present invention relates to core inductance technical field, refer in particular to a kind of polygon core production technique.
Background technology
Traditional production method, the magnetic core of compacting is entity, magnetic core need to be made to be processed into demand through one processing technique
I-shaped.This technological process needs more manpower and machine to coordinate, and in Grinding Process, wastes former
Material (powder), and produce dust.Its production cycle is long, and efficiency is low, and bigger to wastage of material.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of improve quality and production efficiency, reduce right
The polygon core production technique of wastage of material.
For achieving the above object, technical scheme provided by the present invention is: a kind of polygon core production technique, described
Technique includes following steps:
1), once-forming, make magnetic core profile and center pillar one-shot forming by upper two times two molds, form I-shaped core base；
2), secondary forming, be pressed into pattern by upper two times three secondary forming to core body, formed core body；
3), magnetic force polishing, utilize the superpower magnetic force conduction of magnetic force polisher to drive tiny grinding draw point, produce higher suspension stream
Dynamic, vibrations, draw point slips over core surface and is ground, polishing；
4), plate insullac, plate insullac in core surface；
5), bat printing end silver, by pad printing machine stamping on the core body completing 4 steps end silver silver slurry；Silver slurry is by argent
Microgranule, the thick slurry that formed of binding agent, solvent, auxiliary agent, silver slurry solids content 68 ~ 72%；Viscosity is 95000 ±
2000mpa.s；
6), plating, utilize the mode of electrolysis to make nickel solution or solution of tin electroplating deposition on magnetic core surface, formed uniformly, fine and close, knot
The best metal level；Wherein, nickel solution each component mass parts is: nickel total amount 30 ~ 50g/L, Nickel dichloride. 10 ~ 20 g/L, ammonia
Base nickel sulphonic acid 230 ~ 330 g/L, boric acid 25 ~ 40g/L；Its electroplating parameter is: PH3.8 ~ 4.8, temperature 50 ~ 55 DEG C, electric current 8 ~
10A, 90 ~ 120 minutes time, 6 ~ 8 turns/min of rotating speed；Solution of tin each component mass parts is: Bivalent Tin 8 ~ 12 g/L, open cylinder agent
260 ~ 350 ml/L, additive A 60 ~ 150 ml/L, additive B 6 ~ 25 ml/L, its electroplating parameter is: PH3.0 ~ 3.8, temperature
15 ~ 28 DEG C, electric current 9 ~ 12A, 120 ~ 180 minutes time, 6 ~ 8 turns/min of rotating speed；
7), electroplated airing magnetic core.
Described upper two times two molds include crude green body pattern, and crude green body pattern cross section is stepped, before the center is provided with
After the die cavity that runs through, die cavity both sides are provided with the upper punch and bottom punch cooperated, upper punch and bottom punch symmetrical configuration, all wrap
Included upper punch, bottom punch, wherein, the retainer ring that bottom punch main body is stepped, the end of the less one end of retainer ring be provided with by
The lower punching that two clamping plates is constituted, forms upper punch passage between two clamping plates, retainer ring is provided with and matches with upper punch passage
Upper punching, upper punch one end is provided with connection ring, and it is square upper plunger that the other end is provided with cross section, and upper plunger is through upper punching and upper
Rush passage to match with die cavity.
Described upper two times three are pressed into pattern and include two templates, and upper two templates are square, set bottom it at diagonal angle
Having upper guide post, be movably installed with a template in the middle part of upper guide post, upper die head both sides are provided with mo(u)ld top half cylinder, mo(u)ld top half cylinder cylinder
Body is arranged on a die head, and mo(u)ld top half cylinder piston rod is connected with bottom upper two templates vertically upward, bottom upper two templates in
Being provided with stair-stepping upper profile shaft at the heart, a upper die head center is provided with the upper jacket matched with upper profile shaft；At the bottom of upper guide post
Portion's movable set is in parent form template, and parent form template is provided with product template；Next template it is provided with, next mould below parent form template
The two of which diagonal angle of plate is provided with the upper guide post hole matched with upper guide post, and two other diagonal angle is provided with lower guide column sleeve, under
Guide pillar top movable is sleeved in lower guide column sleeve, is connected with middle rod template bottom lower guide pillar, and lower guide pillar top movable is set with
Lower two templates, lower guide pillar lower removable is set with down three templates, and parent form template is provided with the lower guide pillar hole matched with lower guide pillar；
Connect by the second mo(u)ld bottom half cylinders between lower two templates and lower three templates, by first time between next template and lower three templates
Type cylinders connects；Lower three die head centers are provided with mo(u)ld bottom half post, and lower two templates, next template, parent form template center are equal
It is provided with the mo(u)ld bottom half hole matched with mo(u)ld bottom half post；Middle rod die head center is provided with middle top rod vertically upward.
It is an object of the invention to overcome the shortcoming of original mode of production with not enough, do not affect each physics of magnetic core and electrically
On the premise of characteristic, improve production technology, improve quality and production efficiency.And reduce the polygon magnetic core to raw-material waste
Production technology.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention.
Fig. 2 is the bottom punch structural representation of the present invention.
Fig. 3 is the upper punch structural representation of the present invention.
Fig. 4 is upper two times three compressing mode structure schematic diagrams of the present invention.
Detailed description of the invention
Below in conjunction with all accompanying drawings, the invention will be further described, and presently preferred embodiments of the present invention is: see accompanying drawing 1 to
Accompanying drawing 4, a kind of polygon core production technique described in the present embodiment, described technique includes following steps:
1), once-forming, make magnetic core profile and center pillar one-shot forming by upper two times two molds, form I-shaped core base；
2), secondary forming, be pressed into pattern by upper two times three secondary forming to core body, formed core body；
3), magnetic force polishing, utilize the superpower magnetic force conduction of magnetic force polisher to drive tiny grinding draw point, produce higher suspension stream
Dynamic, vibrations, draw point slips over core surface and is ground, polishing；The method is simple to operate efficiently, improves in old production method
The drawback of deburring difficulty.
4), plate insullac, plate insullac in core surface；On magnetic core, the advantage of insullac is acid and alkali-resistance, more superior
Electroplating effect, prevents plating diffusion；Insulation impedance is high, may act as coated insulation body；High temperature resistant, magnetic core thermal shock is had certain slow
Punching；Increase the intensity of magnetic core own；Increase coating peel strength；The outward appearance seminess of the shielding resistance to postwelding of magnetic core.
5), bat printing end silver, complete 4 by pad printing machine) stamp end silver silver slurry on the core body of step；Silver slurry is by metal
The thick slurry that the microgranule of silver, binding agent, solvent, auxiliary agent are formed, silver slurry solids content 68 ~ 72%；Viscosity is 95000 ±
2000mpa.s；
6), plating, utilize the mode of electrolysis to make nickel solution or solution of tin electroplating deposition on magnetic core surface, formed uniformly, fine and close, knot
The best metal level；Wherein, nickel solution each component mass parts is: nickel total amount 30 ~ 50g/L, Nickel dichloride. 10 ~ 20 g/L, ammonia
Base nickel sulphonic acid 230 ~ 330 g/L, boric acid 25 ~ 40g/L；Its electroplating parameter is: PH3.8 ~ 4.8, temperature 50 ~ 55 DEG C, electric current 8 ~
10A, 90 ~ 120 minutes time, 6 ~ 8 turns/min of rotating speed；Solution of tin each component mass parts is: Bivalent Tin 8 ~ 12 g/L, open cylinder agent
260 ~ 350 ml/L, additive A 60 ~ 150 ml/L, additive B 6 ~ 25 ml/L, its electroplating parameter is: PH3.0 ~ 3.8, temperature
15 ~ 28 DEG C, electric current 9 ~ 12A, 120 ~ 180 minutes time, 6 ~ 8 turns/min of rotating speed；Make after plating to plate the coat of metal on magnetic core, with
This changes magnetic core surface nature, can improve magnetic core and use the etch resistant properties in environment, improves the service behaviour of part, hard
Degree, wearability, electric conductivity, electro permanent magnetic, thermostability etc., additive A is the SN-509 that Dongguan enterprise produces, and additive B is light
Bright dose or softening agent.
7), electroplated airing magnetic core.
Described upper two times two molds include crude green body pattern A5, and crude green body pattern A5 cross section is stepped, and the center sets
Pre-and post perforative die cavity A6, die cavity A6 both sides is had to be provided with the upper punch and bottom punch cooperated, upper punch and bottom punch structure
Symmetry, all includes upper punch A1, bottom punch A2, wherein, the retainer ring that bottom punch A2 main body is stepped, and retainer ring is less by one
The end of end is provided with the lower punching being made up of two clamping plates, forms upper punch passage between two clamping plates, and retainer ring is provided with upper
Rushing the upper punching that passage matches, upper punch A1 one end is provided with connection ring, and it is square upper plunger that the other end is provided with cross section, upper punch
Bar matches through upper punching and upper punch passage with die cavity A6.
Described upper two times three are pressed into pattern and include two templates 1, and upper two templates 1 are square, bottom it at diagonal angle
Being provided with upper guide post 2, be movably installed with a template 3 in the middle part of upper guide post 2, upper both sides, template 3 top are provided with mo(u)ld top half cylinder 9, on
Type cylinder 9 cylinder body is arranged on template 3 top, and mo(u)ld top half cylinder 9 piston rod is connected with bottom upper two templates 1 vertically upward, on
It is provided with stair-stepping upper profile shaft 10 at two template 1 bottom centre, is provided with at upper template 3 top center and matches with upper profile shaft 10
Upper jacket 11；Bottom upper guide post 2, movable set is in parent form template 4, and parent form template 4 is provided with product template 12；Parent model
Being provided with next template 5 below plate 4, the two of which diagonal angle of next template 5 is provided with the upper guide post hole matched with upper guide post 2
13, two other diagonal angle is provided with lower guide column sleeve 14, and lower guide pillar 15 top movable is sleeved in lower guide column sleeve 14, lower guide pillar 15 end
Portion is connected with middle rod template 8, and lower guide pillar 15 top movable is set with down two templates 6, and lower guide pillar 15 lower removable is set with down
Three templates 7, parent form template 4 is provided with the lower guide pillar hole matched with lower guide pillar 15；Lead between lower two templates 6 and lower three templates 7
Cross the second mo(u)ld bottom half cylinder 16 to be connected, be connected by the first mo(u)ld bottom half cylinder 17 between next template 5 with lower three templates 7；Lower three
Being provided with mo(u)ld bottom half post 18 at template 7 top center, lower two templates 6, next template 5, parent form template 4 center are equipped with and mo(u)ld bottom half post
The mo(u)ld bottom half hole 19 that 18 match；Middle top rod 20 vertically upward it is provided with at middle rod template 8 top center.The present embodiment uses multimode
Tool design, can be directly compressed into I-shaped magnetic core product, and a mould can produce 8 ~ 10, the while of saving raw-material also
Improve production efficiency.
The embodiment of the above is only the preferred embodiments of the invention, not limits the practical range of the present invention with this,
Therefore the change that all shapes according to the present invention, principle are made, all should contain within the scope of the present invention.
Claims (3)
1. a polygon core production technique, it is characterised in that: described technique includes following steps:
1), once-forming, make magnetic core profile and center pillar one-shot forming by upper two times two molds, form I-shaped core base；
2), secondary forming, be pressed into pattern by upper two times three secondary forming to core body, formed core body；
3), magnetic force polishing, utilize the superpower magnetic force conduction of magnetic force polisher to drive tiny grinding draw point, produce higher suspension stream
Dynamic, vibrations, draw point slips over core surface and is ground, polishing；
4), plate insullac, plate insullac in core surface；
5), bat printing end silver, complete 4 by pad printing machine) stamp end silver silver slurry on the core body of step；Silver slurry is by argent
Microgranule, the thick slurry that formed of binding agent, solvent, auxiliary agent, silver slurry solids content 68 ~ 72%；Viscosity is 95000 ±
2000mpa.s；
6), plating, utilize the mode of electrolysis to make nickel solution or solution of tin electroplating deposition on magnetic core surface, formed uniformly, fine and close, knot
The best metal level；Wherein, nickel solution each component mass parts is: nickel total amount 30 ~ 50g/L, Nickel dichloride. 10 ~ 20 g/L, ammonia
Base nickel sulphonic acid 230 ~ 330 g/L, boric acid 25 ~ 40g/L；Its electroplating parameter is: PH3.8 ~ 4.8, temperature 50 ~ 55 DEG C, electric current 8 ~
10A, 90 ~ 120 minutes time, 6 ~ 8 turns/min of rotating speed；Solution of tin each component mass parts is: Bivalent Tin 8 ~ 12 g/L, open cylinder agent
260 ~ 350 ml/L, additive A 60 ~ 150 ml/L, additive B 6 ~ 25 ml/L, its electroplating parameter is: PH3.0 ~ 3.8, temperature
15 ~ 28 DEG C, electric current 9 ~ 12A, 120 ~ 180 minutes time, 6 ~ 8 turns/min of rotating speed；
7), electroplated airing magnetic core.
A kind of polygon core production technique the most according to claim 1, it is characterised in that: upper two times two molds include
Crude green body pattern (A5), crude green body pattern (A5) cross section is stepped, and the center is provided with pre-and post perforative die cavity (A6), die cavity (A6)
Both sides are provided with the upper punch and bottom punch cooperated, upper punch and bottom punch symmetrical configuration, all include upper punch (A1), under
Stamping (A2), wherein, the retainer ring that bottom punch (A2) main body is stepped, the end of the less one end of retainer ring is provided with by two pieces of folders
The lower punching that plate is constituted, forms upper punch passage between two clamping plates, retainer ring is provided with the upper punching matched with upper punch passage,
Upper punch (A1) one end is provided with connection ring, and it is square upper plunger that the other end is provided with cross section, and upper plunger passes upper punching and upper punch
Passage matches with die cavity (A6).
A kind of polygon core production technique the most according to claim 1, it is characterised in that: it is pressed into pattern upper two times three
Including two templates (1), upper two templates (1) are square, are provided with upper guide post (2) bottom it at diagonal angle, live in upper guide post (2) middle part
Moving and be provided with a template (3), a upper template (3) both sides, top are provided with mo(u)ld top half cylinder (9), and mo(u)ld top half cylinder (9) cylinder body is arranged on
A upper template (3) top, mo(u)ld top half cylinder (9) piston rod is connected with upper two templates (1) bottom vertically upward, upper two templates (1) end
Center, portion is provided with stair-stepping upper profile shaft (10), is provided with and matches with upper profile shaft (10) at a upper template (3) top center
Upper jacket (11)；Upper guide post (2) bottom movable set is in parent form template (4), and parent form template (4) is provided with product template
(12)；Parent form template (4) lower section is provided with next template (5), and the two of which diagonal angle of next template (5) is provided with and upper guide post
(2) the upper guide post hole (13) matched, two other diagonal angle is provided with lower guide column sleeve (14), and lower guide pillar (15) top movable is set with
In lower guide column sleeve (14), lower guide pillar (15) bottom is connected with middle rod template (8), and lower guide pillar (15) top movable is set with down
Two templates (6), lower guide pillar (15) lower removable is set with down three templates (7), and parent form template (4) is provided with and lower guide pillar (15) phase
The lower guide pillar hole coordinated；The lower second mo(u)ld bottom half cylinder (16) that passes through between two templates (6) with lower three templates (7) is connected, next mould
It is connected by the first mo(u)ld bottom half cylinder (17) between plate (5) with lower three templates (7)；It is provided with down at lower three templates (7) top center
Type post (18), lower two templates (6), next template (5), parent form template (4) center are equipped with and match with mo(u)ld bottom half post (18)
Mo(u)ld bottom half hole (19)；Middle top rod (20) vertically upward it is provided with at middle rod template (8) top center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610690842.3A CN106205993B (en) | 2016-08-20 | 2016-08-20 | A kind of polygon core production technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610690842.3A CN106205993B (en) | 2016-08-20 | 2016-08-20 | A kind of polygon core production technique |
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| CN106205993A true CN106205993A (en) | 2016-12-07 |
| CN106205993B CN106205993B (en) | 2017-09-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111730719A (en) * | 2020-05-11 | 2020-10-02 | 湖北华磁电子科技有限公司 | Improved novel manganese-zinc soft magnetic ferrite core die |
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| CN105458250A (en) * | 2015-12-23 | 2016-04-06 | 扬州博众机械设备有限公司 | Powder forming machine and operation method thereof |
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| CN101625926A (en) * | 2008-07-10 | 2010-01-13 | 潘学仁 | Method for manufacturing integrated inductor |
| CN101890497A (en) * | 2010-06-24 | 2010-11-24 | 扬州天禾科技实业有限公司 | Device with quadric automatic powder filling formwork |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111730719A (en) * | 2020-05-11 | 2020-10-02 | 湖北华磁电子科技有限公司 | Improved novel manganese-zinc soft magnetic ferrite core die |
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| CN106205993B (en) | 2017-09-19 |
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Address after: 417000 Taihe Industrial Park, Loudi Economic Development Zone, Hunan, China Patentee after: Hunan created an electronic Polytron Technologies Inc Address before: 417009 Taihe Industrial Park, Loudi economic and Technological Development Zone, Hunan, China Patentee before: HUNAN CYGE ELECTRONIC TECHNOLOGY CO., LTD. |