CN100337514C - Epoxy cast technology for high tension coil of electron accelerator - Google Patents
Epoxy cast technology for high tension coil of electron accelerator Download PDFInfo
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- CN100337514C CN100337514C CNB031294529A CN03129452A CN100337514C CN 100337514 C CN100337514 C CN 100337514C CN B031294529 A CNB031294529 A CN B031294529A CN 03129452 A CN03129452 A CN 03129452A CN 100337514 C CN100337514 C CN 100337514C
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Abstract
The present invention relates to a coil epoxy pouring technique which is characterized in that the present invention comprises the process steps of die filling, vacuum drying room entering, preheating, vacuum pumping, epoxy matching, glue mixing, pouring, back pouring, solidifying, demoulding, coil after-treatment, etc. Liquid epoxy is poured into a mould at definite temperature and at a definite speed in the state of a definite vacuum degree to ensure that epoxy in a position far away from a feeder head is firstly solidified and epoxy is gradually solidified towards the direction of the feeder head, and the technique of solidifying the feeder head is lastly carried out. A required system for using the technique is characterized in that the system is composed of a coil epoxy pouring mould, a vacuum drying room, a heater, a stirring cylinder, a stirring cylinder mechanical pump, a thermometer, a bogie and a crane. The present invention has the advantages of simple structure, convenient molding, high insulating strength of a coil, irradiation resistance, water and damp prevention, reliable performance, economy and practicability, and is suitable for bulk production.
Description
Technical field
The present invention relates to a kind of epoxy casting technology and equipment needed thereby thereof of electron accelerator high-tension coil, be used for magnet ringotron line system, belong to the coil processing technique field.
Background technology
The electron accelerator high-tension coil that is used for generator at present is to adopt the mica tape wrapping, hot briquetting then, needs according to various users, the length dimension scope of coil is between 0.5-5 rice, so big coil is difficult to guarantee its quality precision by such processing technology, and surface damage easily, dielectric strength is not high, and is not attractive in appearance.
Summary of the invention
It is not fragile to the objective of the invention is to invent a kind of coil surface, dielectric strength height, quality height, the epoxy casting technology and the equipment needed thereby thereof of electron accelerator high-tension coil attractive in appearance.
For realizing above purpose, technical scheme of the present invention provides a kind of epoxy casting technology of electron accelerator high-tension coil that is, its technology comprises:
One. the dress mould
A. cope match-plate pattern, lower bolster are cleaned up with acetone, plate tetrafluoro or coat estersil;
B. butyronitrile O type caulking gum is bumped in the upper and lower mould closure gasket groove all around;
C. put into coil at mould heart place after putting grid cloth in lower bolster bottom, on coil and put grid cloth all around again;
D. cover cope match-plate pattern, add pin, bolt, tightening nuts can not have leakage after tightening;
E. driving is sling and is installed the injection molding that waters of coil, and cast gate is upwards set level, and loads onto cast import and export iron block, and the gas outlet funnel may leak bond with the HZ703 silicone rubber adhesive;
Two. enter the vacuum drying room
The injection molding that waters that a. will install coil winches on the cast frame, tights a bolt, and winches to together on the dolly of vacuum drying room, and when putting down, cast gate will be higher than cast outlet 30mm, and tiltedly puts with dolly;
B. advance dolly, thermometer inserts and waters in the injection molding measured hole, and thermometer is placed coil water inlet interface:
C. shut vacuum drying room door, add bolt, nut, and tighten;
Three. preheating
A. six vacuum drying room thermometers are transferred to 100 ℃, begin heating;
B. when thermometer 16,19 all reaches 70 ℃, the thermometer 15,17 that is inserted in the heater is transferred to 63 ℃, thermometer 18,20 transfers to 65 ℃;
C. whenever be separated by 1 hour, and write down one time temperature data;
D. recording thermometer 16 arrives 70 ℃ of times; Thermometer 19 arrives 70 ℃ of times;
Four. vacuumize
A. connect epoxy resin input pipe between mixing drum and the vacuum drying room, and pin with clip;
B. liquid nitrogen is poured in the vacuum drying room mechanical pump cold-trap, opens the mechanical pump switch, when vacuometer arrives 30 lattice, opens the lobe pump switch;
Five. join epoxy resin
It comprises that following materials of weight proportions makes:
Epoxy resin 60-70
Curing agent 30-40
Diluent 2.5-3.5
Six. mix glue
The epoxy resin for preparing, curing agent, diluent are poured in the mixing drum, liquid nitrogen is poured in the mixing drum mechanical pump cold-trap, cover the mixing drum lid, bolt is tightened, open the mixing drum mechanical pump, vacuometer arrives 30 lattice, can fully stir when simultaneous temperature is controlled at 65 ± 5 ℃, and it is half an hour that stirring adds the deaeration time;
Seven. pour
A. six vacuum drying room thermometers are stopped to heat, vacuometer is controlled at 90 ± 5 lattice, and temperature is controlled at 65 ± 5 ℃, just can open the clip cast;
B. observe the pouring situation at any time with lamp, till watering completely;
Eight. teeming
A. when the cast import and export does not have or have only very minute bubbles, just can open vacuum drying room door, release dolly, prepare teeming;
B. open the mixing drum lid, take out remaining epoxy resin, pour the cast import and export that waters on the injection molding into, in the funnel of gas outlet, till watering completely;
Nine. solidify
A. thermometer transfers to 80 ℃, keeps 2 hours;
B. thermometer rises to 100 ℃, keeps 2 hours;
C. thermometer rises to 120 ℃, keeps 2 hours;
D. thermometer rises to 140 ℃, keeps 4 hours;
E. thermometer is reduced to 120 ℃, keeps 2 hours;
F. thermometer is reduced to 100 ℃, keeps 1 hour;
G. thermometer is reduced to 80 ℃, keeps 1 hour;
H. thermometer is reduced to 60 ℃, keeps 1 hour;
Ten. form removal
When a. temperature keeps 60 ℃, the ability mould unloading;
B. open the drying room door, hang out and water injection molding;
C. water injection molded cap up, hang on the iron estrade that lies in graving piece and unload lower module;
D. hang out the good coil of cast, the unnecessary epoxy resin that amputates after cooling, rasps away, and with husky skin chamfering, polishing;
E. will pour into a mould good coil and hang in coil finished product district, and cover with cloth;
11. the coil reprocessing
The coil that cast is good is warmed to 120 ± 5 ℃, and is incubated 2 hours, and the room temperature that arrives to be cooled gets final product.
The epoxy casting technology equipment needed thereby of electron accelerator high-tension coil, it is characterized in that, by coil poured with epoxy resin mould, the vacuum drying room, heater, mixing drum, the mixing drum mechanical pump, thermometer, dolly, crane is formed, described coil epoxy pouring mould is by the mould heart, cast gate, cope match-plate pattern, lower bolster, closure gasket groove, rising head, the coil loop epoxy resins is filled the chamber and is formed, the mould heart place cope match-plate pattern and lower bolster in the middle of, closure gasket groove places the mould heart, around cope match-plate pattern and the lower bolster, fill the chamber for the coil loop epoxy resins between the closure gasket groove of the mould heart and cope match-plate pattern and lower bolster, cast gate places the two ends of cope match-plate pattern and lower bolster, is equipped with rising head between the cast gate of two ends.
Increasing the technology of epoxy resin grid cloth, is for intensity between intensifier coil and the epoxy resin, prevents the epoxy cracking; Mould is provided with rising head, can make epoxy fill intracavity gas effectively and transfer in the rising head, is extracted out by vacuum, thereby obtains fine and close molded coil; The technology that vacuumizes, under certain vacuum degree state, can extract out effectively epoxy resin fill in the chamber gas, make epoxy resin obtain good flowability, thereby obtain fine and close molded coil; The technology of proportioning epoxy resin can control effectively at a certain temperature and solidify ground speed, thereby poured with epoxy resin obtains good flowability and shrinkage; The technology of solidifying, the temperature that control is solidified, thus controlled setting time, guaranteed coil loop epoxy resins casting quality; The technology of coil reprocessing has been eliminated the stress of coil inside.
The present invention adopts under certain vacuum degree state, liquid epoxy resin is with uniform temperature, certain speed pours in the mould, guarantee that epoxy resin progressively solidifies by the direction away from rising head, progressively solidify towards the direction of rising head then, be only the technology that rising head itself solidifies at last, guarantee in the coil poured with epoxy resin, have that good flowability can obtain that profile is complete, clear-cut, dense internal organization, do not produce the poured with epoxy resin coil of shrinkage cavity, internal stress.
Advantage of the present invention is simple in structure, convenient formation, coil insulation intensity height, radioresistance, waterproof, protection against the tide, dependable performance, economical and practical, suitable batch production.
Description of drawings
Fig. 1 is the epoxy casting mould structure schematic diagram of electron accelerator high-tension coil;
Fig. 2 is the epoxy casting mould end view of electron accelerator high-tension coil;
Fig. 3 is a vacuum drying room layout plan;
Fig. 4 is an electric cabinet panel displayed map.
Embodiment
As shown in Figure 1, 2, be the epoxy casting mould structure schematic diagram of electron accelerator high-tension coil, fill chamber 7 by the mould heart 1, cast gate 2, cope match-plate pattern 3, lower bolster 4, closure gasket groove 5, rising head 6, coil loop epoxy resins and form.
The mould heart 1 place cope match-plate pattern 3 and lower bolster 4 in the middle of, closure gasket groove 5 place the mould heart 1, cope match-plate pattern 3 and lower bolster 4 around, fill chamber 7 for the coil loop epoxy resins between the closure gasket groove 5 of the mould heart 1 and cope match-plate pattern 3 and lower bolster 4, cast gate 2 places the two ends of cope match-plate pattern 3 and lower bolster 4, is equipped with rising head 6 between two ends cast gate 2.
As shown in Figure 3, vacuum drying room layout plan during for epoxy casting, there is observation window 11 the oblique upper end of vacuum drying room 12, there is vacuum gauge 14 upper end, bottom one circle of vacuum drying room 12 is equipped with 6 heaters 10, and the centre of vacuum drying room 12 is placed with dolly 9, unwrapping wire circle poured with epoxy resin mould 8 on the dolly 9, cast gate 2 makes progress, and cast gate 2 picks out epoxy input pipe 13.
As shown in Figure 4, be electric cabinet panel displayed map, electric cabinet panel upper end has shown the temperature of 6 thermometers 15,16,17,18,19,20 respectively, the lower end is respectively that the switch of 6 thermometers of control is 15 pairs of inductive switch of thermometer, 21,16 correspondences, 22,17 correspondences, 23,18 correspondences, 25,19 correspondences, 26,20 correspondences 27, and also having two is mechanical pump switch 27,28.
Electron accelerator high-tension coil epoxy casting technology is performed such:
One. the dress mould
A. cope match-plate pattern 3, lower bolster 4 usefulness acetone are cleaned up, plate tetrafluoro or coat estersil;
B. butyronitrile O type caulking gum is bumped in the upper and lower mould closure gasket groove all around;
C. after putting grid cloth, lower bolster 4 bottoms put into coil, on coil and put grid cloth all around again at the mould heart 1 place;
D. cover cope match-plate pattern 3, add pin, bolt, tightening nuts can not have leakage after tightening;
E. driving sling install coil water injection molding 8, cast gate 2 is upwards set level, and loads onto cast import and export iron block, the gas outlet funnel may leak bond with the HZ703 silicone rubber adhesive;
Two. enter the vacuum drying room
The injection molding 8 that waters that a. will install coil winches on the cast frame, tights a bolt, and winches to together on the dolly 9 of vacuum drying room, and when putting down, cast gate 2 will be higher than cast outlet 30mm, and tiltedly puts with dolly 9;
B. advance dolly 9, thermometer 16 inserts and waters in the injection molding measured hole, and thermometer 19 is placed coil water inlet interface:
C. shut vacuum drying room door, add bolt, nut, and tighten;
Three. preheating
A. six vacuum drying room thermometers are transferred to 100 ℃, begin heating;
B. when thermometer 16,19 all reaches 70 ℃, the thermometer 15,17 that is inserted in the heater 10 is all transferred to 63 ℃, thermometer 18,20 is all transferred to 65 ℃;
C. whenever be separated by 1 hour, and write down one time temperature data;
D. recording thermometer 16 arrives 70 ℃ of times; Thermometer 19 arrives 70 ℃ of times;
Four. vacuumize
A. connect epoxy resin input pipe 13 between mixing drum and the vacuum drying room, and pin with clip;
B. liquid nitrogen is poured in the vacuum drying room mechanical pump cold-trap, opens mechanical pump, when vacuometer 14 arrives 30 lattice, opens lobe pump;
Five. join epoxy resin
It comprises that following materials of weight proportions makes:
64 parts of epoxy resin
33 parts in curing agent
3 parts of diluents
Six. mix glue
The epoxy resin, curing agent, the diluent that prepare are poured in the mixing drum, liquid nitrogen is poured in the mixing drum mechanical pump cold-trap, cover the mixing drum lid, bolt is tightened, open the mixing drum mechanical pump, vacuometer 14 arrives 30 lattice, can fully stir when simultaneous temperature is controlled at 65 ± 5 ℃, and it is half an hour that stirring adds the deaeration time;
Seven. pour
A. six vacuum drying room thermometers 15,16,17,18,19,20 are stopped to heat, vacuometer 14 is controlled at 90 ± 5 lattice, and temperature is controlled at 65 ± 5 ℃, just can open the clip cast;
B. observe the pouring situation at any time with lamp, till watering completely;
Eight. teeming
A. when the cast import and export does not have or have only very minute bubbles, just can open vacuum drying room door, release dolly, prepare teeming;
B. open the mixing drum lid, take out remaining epoxy resin, pour the cast import and export that waters on the injection molding into, in the funnel of gas outlet, till watering completely;
Nine. solidify
A. thermometer transfers to 80 ℃, keeps 2 hours;
B. thermometer rises to 100 ℃, keeps 2 hours;
C. thermometer rises to 120 ℃, keeps 2 hours;
D. thermometer rises to 140 ℃, keeps 4 hours;
E. thermometer is reduced to 120 ℃, keeps 2 hours;
F. thermometer is reduced to 100 ℃, keeps 1 hour;
G. thermometer is reduced to 80 ℃, keeps 1 hour;
H. thermometer is reduced to 60 ℃, keeps 1 hour;
Ten. form removal
When a. temperature keeps 60 ℃, the ability mould unloading;
B. open the drying room door, hang out and water injection molding;
C. water injection molding 8 lids up, hang on the iron estrade that lies in graving piece and unload lower module;
D. hang out the good coil of cast, the unnecessary epoxy resin that amputates after cooling, rasps away, and with husky skin chamfering, polishing;
E. will pour into a mould good coil and hang in coil finished product district, and cover with cloth;
11. the coil reprocessing
The coil that cast is good is warmed to 120 ± 5 ℃, and is incubated 2 hours, and the room temperature that arrives to be cooled gets final product.
Claims (2)
1. the epoxy casting technology of an electron accelerator high-tension coil, its technology comprises:
One. the dress mould
A. cope match-plate pattern (3), lower bolster (4) are cleaned up with acetone, plate tetrafluoro or coat estersil;
B. butyronitrile O type caulking gum is bumped in the upper and lower mould closure gasket groove (5) all around;
C. locate to put into coil at the mould heart (1) after putting grid cloth in lower bolster (4) bottom, on coil and put grid cloth all around again;
D. cover cope match-plate pattern (3), add pin, bolt, tightening nuts can not have leakage after tightening;
E. driving sling install coil water injection molding (8), cast gate (2) is upwards set level, and loads onto cast import and export iron block, the gas outlet funnel may leak bond with the HZ703 silicone rubber adhesive;
Two. enter the vacuum drying room
The injection molding (8) that waters that a. will install coil winches on the cast frame, tights a bolt, and winches to together on the dolly (9) of vacuum drying room, and when putting down, cast gate (2) will be higher than cast outlet 30mm, and tiltedly puts with dolly (9);
B. advance dolly (9), thermometer (16) inserts and waters in the injection molding measured hole, and thermometer (19) is placed coil water inlet interface:
C. shut vacuum drying room door, add bolt, nut, and tighten;
Three. preheating
A. six vacuum drying room thermometers are transferred to 100 ℃, begin heating;
B. when thermometer (16), when (19) all reach 70 ℃, thermometer (15), (17) that will be inserted in the heater (10) transfer to 63 ℃, (18), (20) transfer to 65 ℃;
C. whenever be separated by 1 hour, and write down one time temperature data;
D. recording thermometer (16) arrives 70 ℃ of times; Thermometer (19) arrives 70 ℃ of times;
Four. vacuumize
A. connect epoxy resin input pipe (13) between mixing drum and the vacuum drying room, and pin with clip;
B. liquid nitrogen is poured in the vacuum drying room mechanical pump cold-trap, opens mechanical pump switch (24), when vacuometer (14) arrives 30 lattice, opens lobe pump switch (28);
C. thermometer (15), (17) are controlled at 65 ± 5 ℃, and are stand-by when vacuometer (14) is controlled at 90 ± 5 lattice;
Five. join epoxy resin
It comprises that following materials of weight proportions makes:
Epoxy resin 60-70
Curing agent 30-40
Diluent 2.5-3.5
Six. mix glue
The epoxy resin for preparing, curing agent, diluent are poured in the mixing drum, liquid nitrogen is poured in the mixing drum mechanical pump cold-trap, cover the mixing drum lid, bolt is tightened, open the mixing drum mechanical pump, vacuometer (14) arrives 30 lattice, can fully stir when simultaneous temperature is controlled at 65 ± 5 ℃, and it is half an hour that stirring adds the deaeration time.
Seven. pour
A. six vacuum drying room thermometers (15), (16), (17), (18), (19), (20) are stopped to heat, vacuometer (14) is controlled at 90 ± 5 lattice, and temperature is controlled at 65 ± 5 ℃, just can open the clip cast;
B. observe the pouring situation at any time with lamp, till watering completely;
Eight. teeming
A. when the cast import and export does not have or have only very minute bubbles, just can open vacuum drying room door, release dolly, prepare teeming;
B. open the mixing drum lid, take out remaining epoxy resin, pour the cast import and export that waters on the injection molding into, in the funnel of gas outlet, till watering completely;
Nine. solidify
A. thermometer transfers to 80 ℃, keeps 2 hours;
B. thermometer rises to 100 ℃, keeps 2 hours;
C. thermometer rises to 120 ℃, keeps 2 hours;
D. thermometer rises to 140 ℃, keeps 4 hours;
E. thermometer is reduced to 120 ℃, keeps 2 hours;
F. thermometer is reduced to 100 ℃, keeps 1 hour;
G. thermometer is reduced to 80 ℃, keeps 1 hour;
H. thermometer is reduced to 60 ℃, keeps 1 hour;
Ten. form removal
When a. temperature keeps 60 ℃, the ability mould unloading;
B. open the drying room door, hang out and water injection molding;
C. water injection molding (8) lid up, hang on the iron estrade that lies in graving piece and unload lower module;
D. hang out the good coil of cast, the unnecessary epoxy that amputates after cooling, rasps away, and with husky skin chamfering, polishing;
E. will pour into a mould good coil and hang in coil finished product district, and cover with cloth;
11. the coil reprocessing
The coil that cast is good is warmed to 120 ± 5 ℃, and is incubated 2 hours, and the room temperature that arrives to be cooled gets final product.
2. the epoxy casting technology equipment needed thereby of electron accelerator high-tension coil according to claim 1, it is characterized in that, described equipment is by coil poured with epoxy resin mould, the vacuum drying room, heater, mixing drum, the mixing drum mechanical pump, thermometer, dolly, crane is formed, described coil epoxy pouring mould is by the mould heart (1), cast gate (2), cope match-plate pattern (3), lower bolster (4), closure gasket groove (5), rising head (6), the coil loop epoxy resins is filled chamber (7) and is formed, the mould heart (1) place cope match-plate pattern (3) and lower bolster (4) in the middle of, closure gasket groove (5) places the mould heart (1), around cope match-plate pattern (3) and the lower bolster (4), fill chamber (7) for the coil loop epoxy resins between the closure gasket groove (5) of the mould heart (1) and cope match-plate pattern (3) and lower bolster (4), cast gate (2) places the two ends of cope match-plate pattern (3) and lower bolster (4), is equipped with rising head (6) between two ends cast gate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031294529A CN100337514C (en) | 2003-06-23 | 2003-06-23 | Epoxy cast technology for high tension coil of electron accelerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031294529A CN100337514C (en) | 2003-06-23 | 2003-06-23 | Epoxy cast technology for high tension coil of electron accelerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1568126A CN1568126A (en) | 2005-01-19 |
| CN100337514C true CN100337514C (en) | 2007-09-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031294529A Expired - Lifetime CN100337514C (en) | 2003-06-23 | 2003-06-23 | Epoxy cast technology for high tension coil of electron accelerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100337514C (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101585238B (en) * | 2009-07-02 | 2011-08-24 | 中国人民解放军国防科学技术大学 | Integral molding technique and molding system for supersized composite material member |
| CN101837617B (en) * | 2010-04-15 | 2012-10-03 | 上海凯利电器厂有限公司 | Gel curing processing method of epoxy resin |
| CN101961922A (en) * | 2010-09-26 | 2011-02-02 | 方国彪 | Novel material spectacle frame processing and forming method |
| CN102013773B (en) * | 2010-12-14 | 2012-06-20 | 湘潭电机力源模具有限公司 | Pouring mold for linear motor stator coil |
| CN102514132B (en) * | 2011-12-28 | 2013-11-06 | 西安航天复合材料研究所 | Method for manufacturing shape memory polymer core mold by winding composite material component |
| CN102592820A (en) * | 2012-03-28 | 2012-07-18 | 江苏中容科技有限公司 | One-step forming process of cast coil of dry type transformer |
| CN103448182A (en) * | 2013-01-09 | 2013-12-18 | 平顶山市普汇电气有限责任公司 | Mould casting head for casting epoxy resin |
| CN103465422A (en) * | 2013-09-04 | 2013-12-25 | 北京电力设备总厂 | Vacuum film casting system and vacuum film casting method |
| CN103909597B (en) * | 2013-12-06 | 2016-05-18 | 南阳防爆集团股份有限公司 | Magnetic confinement balance bed cast cold insulating method |
| CN103904530A (en) * | 2014-03-06 | 2014-07-02 | 佛山市高明毅力温控器有限公司 | Manufacturing process for sealing structure of electric junction box |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0922799A (en) * | 1995-07-05 | 1997-01-21 | Hitachi Ltd | Electromagnet for accelerator |
| CN2280987Y (en) * | 1996-12-24 | 1998-05-06 | 陈开国 | Semi-poured type current mutual inductor |
| CN2306556Y (en) * | 1997-05-19 | 1999-02-03 | 山东省金曼克电气集团股份有限公司 | Epoxy resin vacuum poured copper conductor square coil transformer |
-
2003
- 2003-06-23 CN CNB031294529A patent/CN100337514C/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0922799A (en) * | 1995-07-05 | 1997-01-21 | Hitachi Ltd | Electromagnet for accelerator |
| CN2280987Y (en) * | 1996-12-24 | 1998-05-06 | 陈开国 | Semi-poured type current mutual inductor |
| CN2306556Y (en) * | 1997-05-19 | 1999-02-03 | 山东省金曼克电气集团股份有限公司 | Epoxy resin vacuum poured copper conductor square coil transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1568126A (en) | 2005-01-19 |
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Granted publication date: 20070912 |
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Correction item: Termination upon expiration of patent Correct: Revocation of Patent Expiration and Termination False: Expiration and Termination of 39 Volume 2801 Patent on July 11, 2023 Number: 28-01 Volume: 39 |