CN108962585A - A kind of continuous disk-type winding pouring technology - Google Patents
A kind of continuous disk-type winding pouring technology Download PDFInfo
- Publication number
- CN108962585A CN108962585A CN201810799172.8A CN201810799172A CN108962585A CN 108962585 A CN108962585 A CN 108962585A CN 201810799172 A CN201810799172 A CN 201810799172A CN 108962585 A CN108962585 A CN 108962585A
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- China
- Prior art keywords
- pouring
- vacuum
- coil
- mixing tank
- type winding
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- 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.)
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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
- H01F41/04—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
-
- 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
- H01F41/06—Coil winding
- H01F41/071—Winding coils of special form
- H01F41/074—Winding flat 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
- H01F41/12—Insulating of windings
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of continuous disk-type winding pouring technologies, comprising steps of a. dries coil, preheat casting equipment；B. the coil after drying is put into the pouring can after preheating；C. vacuum is extracted to pouring can；D. vacuum, while the stirring that feeds are extracted to mixing tank；E. coil is poured；F. vacuum successively is extracted to pouring can after being poured, keeps vacuum, releasing vacuum；G. to pouring can pressurization, pressure maintaining, decompression；H. the coil in pouring can is transferred to drying chamber gel, solidification.It is poured abundant, uniform, bubble-free, electric property is good, and mechanical strength is good.
Description
Technical field
The present invention relates to coil production technical field more particularly to a kind of continuous disk-type winding pouring technologies.
Background technique
Disk-type winding includes continous way, be entangled with formula, be entangled with continous way, be inner screen continuous, it is spiral (single-screw, double helix,
Three spirals, four spirals etc.), there is insulating oil duct between circle and circle.And the poured with epoxy resin of coil is that a craftsmanship is strong, skill
The high production technology of art difficulty.
The technique of existing continuous disk-type winding casting is outmoded, and casting is easy to appear in casting process unevenly, there is gas
The problems such as bubble.
Summary of the invention
The present invention is intended to provide a kind of continuous disk-type winding pouring technology, the very good solution above problem, casting sufficiently,
Uniformly, bubble-free, electric property is good, and mechanical strength is good.
The technical scheme is that a kind of continuous disk-type winding pouring technology, comprising steps of
A. coil is dried, casting equipment is preheated；
B. the coil after drying is put into the pouring can after preheating；
C. vacuum is extracted to pouring can；
D. vacuum, while the stirring that feeds are extracted to mixing tank；
E. coil is poured；
F. vacuum successively is extracted to pouring can after being poured, keeps vacuum, releasing vacuum；
G. to pouring can pressurization, pressure maintaining, decompression；
H. the coil in pouring can is transferred to drying chamber gel, solidification.
Further, in the step a, the coil after drying needs to re-start tightly mold nut before being poured again
Gu detecting whether the fastener of omission, guarantee mold good seal；Pouring can preheating temperature is 80 DEG C, mixing tank preheating temperature
Degree is 65 DEG C, and preheating time is 15 minutes.
Further, in the step b, coil is put into after pouring can, gate spool is connected to each coil, and check
Whether bundle securely, is then shut off tank door, and lock tank door.
Further, it in the step c, when vacuum degree is extracted into 100Mpa in pouring can, closes pouring can vacuum valve and opens
It closes.
Further, in the step d, mixing tank vacuum valve is opened, is fed when mixing tank has vacuum, Xian Jiashu
Rouge, then plus curing agent, be added 2-3 barrels of raw materials after start to be stirred the raw material in mixing tank；Mixing is carried out after the completion of charging
Tank degassing；When mixing tank vacuum degree reaches 200Mpa, pouring can vacuum valve is opened, pouring can and mixing tank are extracted very together
It is empty.
Further, in the step e, raw material degassing situation in mixing tank is observed at any time, when resin raw material in mixing tank
Bubble-free, and when vacuum degree reaches 100Mpa, is poured coil, and the duration of pouring is 40-60 minutes, and when casting opens blanking
Threshold switch opens pouring head manually-operated gate, first opens big, then turns down, and flow velocity should not be too fast, regulate the speed in casting, when casting
Pay attention to having seen whether leakage resin phenomenon；After casting in place, blanking threshold switch is closed, closes pouring head manually-operated gate.
Further, in the step f, continue to extract vacuum 30-40 minutes after casting complete, then keep vacuum state
30 minutes, then pouring can door side manually-operated gate is opened, 1/3 position is first opened, air valve is opened after 2-3 minutes, releases vacuum.
Further, in the step g, vacuum again pressurizes to pouring can after releasing in pouring can, opens pressurizing valve
Switch, pressure 0.18Mpa, pressure maintaining 30-40 minutes after pressurization；It is then shut off pressurizing valve, opens air valve, pressure relief, completely
Vacuum tank door is opened after pressure relief.
Further, it after casting complete, also needs to clean pouring can, mixing tank, opens mixing tank vacuum valve, extract
Vacuum 2-3 minutes, blender is opened, alcohol is extracted and mixing tank is cleaned.
Further, in the step d, each component raw material of curing agent is by weight percent are as follows: benzyl alcohol 50%-
55%, isophorone diamine 20%-25%, epoxy resin 15%-25%, scratch resistance wax 0.3%-2%, promotor 1.5%-
4%.
The beneficial effects of the present invention are: after technique is poured coil according to the present invention, casting more sufficiently, uniformly,
And bubble-free, coil electric is functional, and mechanical strength is good.
Detailed description of the invention
Fig. 1 is present invention process flow diagram.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing, to the present invention into
Row is further described.
As shown in Figure 1, the present invention provides a kind of continuous disk-type winding pouring technologies, comprising steps of
A. coil is dried, casting equipment is preheated；
B. the coil after drying is put into the pouring can after preheating；
C. vacuum is extracted to pouring can；
D. vacuum, while the stirring that feeds are extracted to mixing tank；
E. coil is poured；
F. vacuum successively is extracted to pouring can after being poured, keeps vacuum, releasing vacuum；
G. to pouring can pressurization, pressure maintaining, decompression；
H. the coil in pouring can is transferred to drying chamber gel, solidification.
Specific entire casting process are as follows:
1. whether the confirmation each position of the switch of equipment is closed；
2. pair casting equipment preheats, 80 DEG C of pouring can temperature, 65 DEG C of mixing tank temperature, the time is 15 minutes；
3. re-starting fastening to mold nut before the coil casting after dry, the fastener of omission is checked whether there is,
Guarantee mold good seal；
4. opening pouring can door, high-tension coil is placed on pallet and is pushed into pouring can；
5. a gate spool is connected to each high-tension coil, check whether that binding is secured；
6. pouring can door is closed, it is certain to pay attention to closing in place, it locks；
7. opening air valve；
8. opening vacuum pump, pouring can vacuum threshold switch vacuumizes vacuum tank；
9. closing pouring can vacuum threshold switch when vacuum degree is extracted into 100Mpa；Note: on general vacuum meter operation panel
I is pouring can vacuum degree, and II is mixing tank vacuum degree；
10. opening mixing tank vacuum valve, feed when mixing tank has vacuum, first plus resin, then plus curing agent；
11. opening mixing tank stirring after adding 2-3 barrels；
12. closing manually-operated gate after charging, mixing tank degassing is carried out；
13. opening pouring can vacuum valve when mixing tank vacuum degree reaches 200Mpa, two tank bodies are taken out together, are beaten simultaneously
Open a blanking manual valve；
14. notice that observation mixing tank deaerates situation, it is right when vacuum degree 100Mpa or so when mixing tank resin bubble-free
High-tension coil is poured；
15. duration of pouring 40-60 minute opens blanking threshold switch, pouring head manually-operated gate is opened, is first opened greatly, then turn down,
Flow velocity should not be too fast, regulate the speed in casting, and when casting pays attention to having seen whether leakage resin phenomenon.After casting in place, close
Blanking threshold switch closes pouring head manually-operated gate；
16. continuing to vacuumize 30-40 minutes after casting；
17. being kept for vacuum state 30 minutes；
18. opening pouring can door side manually-operated gate, 1/3 position is first opened, air valve on display screen, solution are opened after 2-3 minutes
Except vacuum；
19. vacuum is pressurizeed after releasing, pressurization threshold switch, pressure 0.18Mpa, pressure maintaining 30-40 minutes after pressurization are opened；
20. closing pressurizing valve, air valve on display screen is opened, pressure relief pays attention to having to ability after complete pressure relief
Vacuum tank door can be opened；
21. opening vacuum tank door, high-tension coil is transferred to drying chamber and carries out gel, solidification；Then coil is demoulded, is examined
It tests；
22. a pair casting equipment mixing tank cleans, mixing tank vacuum valve is opened, is taken out 2-3 minutes, stirring is opened, takes out wine
Essence cleans mixing tank；
23. closing all electric switches after cleaning.
With specific reference to the coil of above-mentioned technique casting, compared with existing pouring technology, casting is more sufficiently and uniform,
Bubble reduces 90%, and basic bubble-free occurs, while the electric property of coil is good, and mechanical strength is better.
The present invention also provides a kind of curing agent components, and each component raw material of curing agent is by weight percent are as follows: benzyl alcohol
50%-55%, isophorone diamine 20%-25%, epoxy resin 15%-25%, scratch resistance wax 0.3%-2%, promotor
1.5%-4%.
Compared with existing curing agent, using above-mentioned curing agent, curing time is shorter, and solidification effect is more preferable, and toughness mentions
It is high by 10%.
To sum up: after technique is poured coil according to the present invention, being poured more abundant, uniform and bubble-free, coil electricity
Gas is functional, and mechanical strength is good.
Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, ripe
Various corresponding changes and modifications, but these corresponding changes and modifications can be made according to the present invention by knowing those skilled in the art
All it should fall within the scope of protection of the appended claims of the present invention.
Claims (10)
1. a kind of continuous disk-type winding pouring technology, which is characterized in that comprising steps of
A. coil is dried, casting equipment is preheated；
B. the coil after drying is put into the pouring can after preheating；
C. vacuum is extracted to pouring can；
D. vacuum, while the stirring that feeds are extracted to mixing tank；
E. coil is poured；
F. vacuum successively is extracted to pouring can after being poured, keeps vacuum, releasing vacuum；
G. to pouring can pressurization, pressure maintaining, decompression；
H. the coil in pouring can is transferred to drying chamber gel, solidification.
2. continuous disk-type winding pouring technology according to claim 1, it is characterised in that: in the step a, after dry
Coil needs to re-start fastening to mold nut before being poured again, detects whether the fastener of omission, guarantees mold sealing
Well；Pouring can preheating temperature is 80 DEG C, and mixing tank preheating temperature is 65 DEG C, and preheating time is 15 minutes.
3. continuous disk-type winding pouring technology according to claim 1, it is characterised in that: in the step b, coil is put into
After pouring can, gate spool is connected to each coil, and checks whether that binding securely, is then shut off tank door, and lock tank door.
4. continuous disk-type winding pouring technology according to claim 1, it is characterised in that: in the step c, work as pouring can
When interior vacuum degree is extracted into 100Mpa, pouring can vacuum threshold switch is closed.
5. continuous disk-type winding pouring technology according to claim 1, it is characterised in that: in the step d, open mixing
Tank vacuum valve, feeds when mixing tank has vacuum, first plus resin, then plus curing agent, be added after 2-3 barrel raw materials and start to mixing
Raw material in batch can is stirred；Mixing tank degassing is carried out after the completion of charging；When mixing tank vacuum degree reaches 200Mpa, open
Pouring can vacuum valve extracts vacuum to pouring can and mixing tank together.
6. continuous disk-type winding pouring technology according to claim 1, it is characterised in that: in the step e, observe at any time
The raw material situation that deaerates carries out coil when resin raw material bubble-free in mixing tank, and when vacuum degree reaches 100Mpa in mixing tank
Casting, the duration of pouring are 40-60 minute, and blanking threshold switch is opened when casting, opens pouring head manually-operated gate, is first opened greatly, then close
Small, flow velocity should not be too fast, regulate the speed in casting, and when casting pays attention to having seen whether leakage resin phenomenon；After casting in place, close
Blanking threshold switch is closed, pouring head manually-operated gate is closed.
7. continuous disk-type winding pouring technology according to claim 1, it is characterised in that: in the step f, casting complete
After continue to extract vacuum 30-40 minute, then holding vacuum state 30 minutes, then open pouring can door side manually-operated gate, first open
Air valve is opened in 1/3 position after 2-3 minutes, release vacuum.
8. continuous disk-type winding pouring technology according to claim 1, it is characterised in that: in the step g, in pouring can
Vacuum again pressurizes to pouring can after releasing, and opens pressurization threshold switch, pressure 0.18Mpa, pressure maintaining 30-40 minutes after pressurization；
It is then shut off pressurizing valve, opens air valve, pressure relief opens vacuum tank door after complete pressure relief.
9. continuous disk-type winding pouring technology according to claim 1, it is characterised in that: after casting complete, also need to pouring
Note tank, mixing tank are cleaned, and mixing tank vacuum valve is opened, and are extracted vacuum 2-3 minutes, and blender is opened, and extract alcohol to mixed
Batch can is cleaned.
10. continuous disk-type winding pouring technology according to claim 5, it is characterised in that: in the step d, curing agent
Each component raw material by weight percent are as follows: benzyl alcohol 50%-55%, isophorone diamine 20%-25%, epoxy resin
15%-25%, scratch resistance wax 0.3%-2%, promotor 1.5%-4%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810799172.8A CN108962585A (en) | 2018-07-19 | 2018-07-19 | A kind of continuous disk-type winding pouring technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810799172.8A CN108962585A (en) | 2018-07-19 | 2018-07-19 | A kind of continuous disk-type winding pouring technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108962585A true CN108962585A (en) | 2018-12-07 |
Family
ID=64497843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810799172.8A Pending CN108962585A (en) | 2018-07-19 | 2018-07-19 | A kind of continuous disk-type winding pouring technology |
Country Status (1)
| Country | Link |
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| CN (1) | CN108962585A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110864614A (en) * | 2019-10-30 | 2020-03-06 | 西北工业大学 | Device and method for manufacturing high-temperature-resistant displacement sensor probe based on planar coil |
| CN110864615A (en) * | 2019-10-30 | 2020-03-06 | 西北工业大学 | Manufacturing method and application of high-temperature-resistant eddy current type micro displacement sensor |
| WO2022148124A1 (en) * | 2021-01-11 | 2022-07-14 | 海鸿电气有限公司 | Cast dry-type transformer and fabrication method therefor |
| CN115064379A (en) * | 2022-08-15 | 2022-09-16 | 江苏华辰变压器股份有限公司 | Vacuum casting process for epoxy cast dry type transformer coil with filler |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101826393A (en) * | 2010-04-15 | 2010-09-08 | 上海凯利电器厂有限公司 | Vacuum pouring method for epoxy resin |
| CN102898624A (en) * | 2012-10-29 | 2013-01-30 | 上海维度化工科技有限公司 | Epoxy resin curing agent and preparation method thereof |
| CN108022746A (en) * | 2017-12-31 | 2018-05-11 | 浙江埃能德电气有限公司 | It is dry to become high-tension coil pouring technology |
-
2018
- 2018-07-19 CN CN201810799172.8A patent/CN108962585A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101826393A (en) * | 2010-04-15 | 2010-09-08 | 上海凯利电器厂有限公司 | Vacuum pouring method for epoxy resin |
| CN102898624A (en) * | 2012-10-29 | 2013-01-30 | 上海维度化工科技有限公司 | Epoxy resin curing agent and preparation method thereof |
| CN108022746A (en) * | 2017-12-31 | 2018-05-11 | 浙江埃能德电气有限公司 | It is dry to become high-tension coil pouring technology |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110864614A (en) * | 2019-10-30 | 2020-03-06 | 西北工业大学 | Device and method for manufacturing high-temperature-resistant displacement sensor probe based on planar coil |
| CN110864615A (en) * | 2019-10-30 | 2020-03-06 | 西北工业大学 | Manufacturing method and application of high-temperature-resistant eddy current type micro displacement sensor |
| CN110864614B (en) * | 2019-10-30 | 2021-05-07 | 西北工业大学 | Device and method for manufacturing high-temperature-resistant displacement sensor probe based on planar coil |
| WO2022148124A1 (en) * | 2021-01-11 | 2022-07-14 | 海鸿电气有限公司 | Cast dry-type transformer and fabrication method therefor |
| JP2023520272A (en) * | 2021-01-11 | 2023-05-17 | 海鴻電気有限公司 | Molded dry transformer and manufacturing method thereof |
| CN115064379A (en) * | 2022-08-15 | 2022-09-16 | 江苏华辰变压器股份有限公司 | Vacuum casting process for epoxy cast dry type transformer coil with filler |
| CN115064379B (en) * | 2022-08-15 | 2022-11-01 | 江苏华辰变压器股份有限公司 | Vacuum casting process for epoxy cast dry type transformer coil with filler |
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Application publication date: 20181207 |