CN204732286U - The coil die device of dry-type transformer - Google Patents
The coil die device of dry-type transformer Download PDFInfo
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- CN204732286U CN204732286U CN201520369139.3U CN201520369139U CN204732286U CN 204732286 U CN204732286 U CN 204732286U CN 201520369139 U CN201520369139 U CN 201520369139U CN 204732286 U CN204732286 U CN 204732286U
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Abstract
The utility model discloses a kind of coil die device of dry-type transformer, comprise internal mold, annular external mold and base plate, one end and the base plate of internal mold removably connect, one end and the base plate of external mold removably connect, internal mold is arranged in the inner ring of external mold, form toroidal cavity between internal mold, external mold and base plate, coil winding makes coil be in cavity by outside coil winding machine on internal mold.Internal mold of the present utility model and base plate are for removably connecting, simultaneously external mold also with base plate for removably connecting, during use, because internal mold can disassemble from base plate, therefore, (outside coil winding machine can be utilized) very easily by coil winding on internal mold.Then internal mold is arranged on base plate, install external mold simultaneously, potting syrup (potting syrup makes to play between each coil the effect of insulation) is poured in cavity, afterwards can by under external mold and internal mold dismounting, be the demoulding, easy to use, mould also can not damage in repeatedly use procedure, saves and uses material.
Description
Technical field
The utility model relates to a kind of coil die device of dry-type transformer.
Background technology
The casting mold of dry-type transformer is applied to the device in the cast of SCB dry transformer high-tension coil, and the casting mold of current dry-type transformer all adopts the mode of one, and base plate and internal mold are fixed non-dismountable.
When applying the casting mold of existing dry-type transformer, coiling is inconvenient; Meanwhile, after coil winds, the demoulding is very difficult, and causes mould life cycle low, and waste of material is serious.
Utility model content
The utility model object is the coil die device providing a kind of dry-type transformer, at least one to solve the problems of the technologies described above.
According to an aspect of the present utility model, provide a kind of coil die device of dry-type transformer, comprise internal mold, annular external mold and base plate, one end and the base plate of internal mold removably connect, one end and the base plate of external mold removably connect, internal mold is arranged in the inner ring of external mold, forms toroidal cavity between internal mold, external mold and base plate, and coil winding makes coil be in cavity by outside coil winding machine on internal mold.
Internal mold of the present utility model and base plate are for removably connecting, simultaneously external mold also with base plate for removably connecting, during use, because internal mold can disassemble from base plate, therefore, (outside coil winding machine can be utilized) very easily by coil winding on internal mold.Then internal mold is arranged on base plate, install external mold simultaneously, potting syrup (potting syrup makes to play between each coil the effect of insulation) is poured in cavity, afterwards can by under external mold and internal mold dismounting, be the demoulding, easy to use, mould also can not damage in repeatedly use procedure, saves and uses material.
In some embodiments, also comprise location-plate, location-plate covers cavity, and location-plate is provided with the plug hole be connected with cavity.Thus, location-plate can cover cavity, and plays the effect of location, and after namely potting syrup being injected into cavity by plug hole, the position reaching location-plate when potting syrup just stops note potting syrup.
In some embodiments, external mold sidewall is along its length provided with terminal block, and the end of a thread of the coil that internal mold is wound around is located on terminal block.Thus, outside coil winding on internal mold after, the end of a thread can be fixed on terminal block, facilitates the wiring of follow-up transformer.
In some embodiments, a side of base plate is provided with groove, and one end of external mold snaps in groove.Thus, external mold can snap in groove and can take out in groove, thus realizes removably connecting.
In some embodiments, a side of base plate is provided with upright stud, and internal mold is located on base plate by stud.Thus, internal mold can be fixed on base plate by stud, also can pull down from base plate, thus realizes removably connecting.
In some embodiments, also comprise pressure rack, base plate is provided with the second upright stud, and pressure rack is located on external mold by stud.Thus, when stud is through pressure rack, and make pressure rack be fastened on external mold by nut, pressure rack compresses external mold and the contact position of external mold and base plate is sealed, and prevents the potting syrup entered in cavity from overflowing from the contact position of external mold and base plate, waste material.
Accompanying drawing explanation
Fig. 1 is the structural representation that the coil die device of the dry-type transformer of a kind of execution mode of the utility model hides location-plate;
The coil die device that Fig. 2 is dry-type transformer shown in Fig. 1 hides the structural representation of pressure rack;
The coil die device that Fig. 3 is dry-type transformer shown in Fig. 2 hides the structural representation of location-plate;
Fig. 4 is the structural representation of the base plate of the coil die device of arbitrary dry-type transformer in Fig. 1 ~ 3.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 ~ Fig. 4 schematically shows the structure of the coil die device of the dry-type transformer of a kind of execution mode of the utility model.
As shown in Figure 1, a kind of coil die device of dry-type transformer, comprises internal mold 1, annular external mold 2 and base plate 3, and one end and the base plate 3 of internal mold 1 removably connect, and one end and the base plate 3 of external mold 2 removably connect.
In the present embodiment, the mode that one end of internal mold 1 and base plate 3 removably connect can be as shown in Figure 2, shaping the first stud 31 uprightly on base plate 3, internal mold 1 forms the hole of matching with the first stud 31, only need in the first stud 31 patchhole, and screw nut in the upper end of the first stud 31 and fastening; Meanwhile, the mode that external mold 2 and base plate 3 removably connect can be: on base plate 3, form groove 33, match with groove 33 in the lower end of external mold 2, is snapped onto by external mold 2 in groove 33 just can be formed to removably connect; In other embodiments, the mode that internal mold 1 and base plate 3 removably connect also can be as mode that external mold 2 and base plate 3 snap in, certainly, external mold 2 also can be the Stud connection mode of internal mold 1, no matter in which way, only need external mold 2 and base plate 3, internal mold 1 to be with base plate 3 to removably connect.
As shown in Figure 1, base plate 3 is provided with the second upright stud 32, shaping porose in pressure rack 7, by the second stud 32 through the through hole in pressure rack 7, live with fastening nuts again, namely can make pressure rack 7 tightly suppresses external mold 2, make the lower end of external mold 2 and base plate 3 there is no gap, prevent the potting syrup in cavity 4 from flowing out.
As shown in Figure 2 and Figure 3, ringwise, internal mold 1 is arranged in the annular inner race of external mold 2 to the lateral cross section of external mold 2, meanwhile, can form toroidal cavity 4 between internal mold 1, external mold 2 and base plate 3.
During use, internal mold 1 and external mold 2 can be pulled down, utilize outside coil winding machine by coil winding on internal mold 1, and install internal mold 1 and external mold 2.Namely, in the cavity 4 that the coil that on internal mold 1, coiling is good is formed between internal mold 1, external mold 2 and base plate 3.
Install be wound with coil internal mold 1, after external mold 2, need to inject potting syrup in cavity 4, to make between coil insulation and each coil and coil fixed.
In order to make the addition better controlling potting syrup, to prevent potting syrup very little (cause effect bad) or too many (waste potting syrup), as shown in Figure 2, location-plate 5 can be increased in the upper end of the upper end of internal mold 1 and external mold 2, location-plate 5 covers cavity 4, and location-plate 5 is provided with the plug hole be connected with cavity 4.Location-plate 5 can cover cavity 4, and plays the effect of location, and after namely potting syrup being injected into cavity 4 by plug hole, the position reaching location-plate 5 when potting syrup just stops note potting syrup.
As shown in Figures 2 and 3, external mold 2 sidewall is along its length provided with terminal block 6, and the end of a thread of the coil that internal mold 1 is wound around is located on terminal block 6.Outside coil winding on internal mold 1 after, the end of a thread can be fixed on the wiring hole 61 of terminal block 6, facilitates the follow-up wiring of transformer.
Certainly, the utility model is in order to meet different size and model, the internal mold 1 and external mold 2 that vary in size can be made, or also can at the reverse side of the base plate 3 shown in Fig. 4 (below namely shown in Fig. 2, figure does not show) on the also groove of shaping different size and the first stud 31, front (front shown in Fig. 4) or the reverse side of choice for use base plate 3 can be come as required.
The utility model can play following effect:
(1): winding around is convenient: internal mold 1 and base plate 3 for removably connecting, external mold 2 also with base plate 3 for removably connecting, therefore, (outside coil winding machine can be utilized) very easily by coil winding on internal mold 1.
(2): be convenient in demoulding, internal mold 1 is arranged on base plate 3, installs external mold 2 simultaneously, then pour into after the steps such as potting syrup complete in cavity 4, external mold 2 and internal mold 1 are dismantled down, gets final product the demoulding,
(3): save material, mould also can not damage in repeatedly use procedure.
Above-described is only execution modes more of the present utility model.For the person of ordinary skill of the art, under the prerequisite not departing from the utility model creation design, can also make some distortion and improvement, these all belong to protection range of the present utility model.
Claims (6)
1. the coil die device of a dry-type transformer, it is characterized in that, comprise internal mold (1), ringwise external mold (2) and base plate (3), one end and the described base plate (3) of described internal mold (1) removably connect, one end and the described base plate (3) of described external mold (2) removably connect, described internal mold (1) is arranged in the inner ring of described external mold (2), described internal mold (1), toroidal cavity (4) is formed between external mold (2) and base plate (3), coil winding is gone up at described internal mold (1) and coil is in cavity (4) by outside coil winding machine.
2. the coil die device of dry-type transformer according to claim 1, it is characterized in that, also comprise location-plate (5), described location-plate (5) covers described cavity (4), and described location-plate (5) is provided with the plug hole (51) be connected with cavity (4).
3. the coil die device of dry-type transformer according to claim 1 and 2, it is characterized in that, described external mold (2) sidewall is along its length provided with terminal block (6), and the end of a thread of the upper coil be wound around of internal mold (1) is located on terminal block (6).
4. the coil die device of dry-type transformer according to claim 1, it is characterized in that, one side of described base plate (3) is provided with groove (33), and one end of described external mold (2) snaps in described groove (33).
5. the coil die device of dry-type transformer according to claim 4, it is characterized in that, one side of described base plate (3) is provided with upright the first stud (31), and described internal mold (1) is located on base plate (3) by the first stud (31).
6. the coil die device of dry-type transformer according to claim 5, it is characterized in that, also comprise pressure rack (7), described base plate (3) is provided with upright the second stud (32), and described pressure rack (7) is located on described external mold (2) by stud.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520369139.3U CN204732286U (en) | 2015-06-01 | 2015-06-01 | The coil die device of dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520369139.3U CN204732286U (en) | 2015-06-01 | 2015-06-01 | The coil die device of dry-type transformer |
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| Publication Number | Publication Date |
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| CN204732286U true CN204732286U (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520369139.3U Active CN204732286U (en) | 2015-06-01 | 2015-06-01 | The coil die device of dry-type transformer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109087808A (en) * | 2018-08-28 | 2018-12-25 | 上海置信电气股份有限公司 | A kind of epoxy resin dry type transformer mold |
| CN109599260A (en) * | 2018-12-12 | 2019-04-09 | 天津维可特电力科技有限公司 | A kind of transformer wire wrap molding pours mold with epoxy |
| CN113601772A (en) * | 2021-07-13 | 2021-11-05 | 湖南科太电气有限公司 | Glue injection mold of magnetism-moving pressure regulating device and glue injection sealing production process based on same |
| CN114284060A (en) * | 2021-12-31 | 2022-04-05 | 北京高能锐新科技有限责任公司 | Preparation mould and saddle-shaped coil suitable for saddle-shaped coil |
-
2015
- 2015-06-01 CN CN201520369139.3U patent/CN204732286U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109087808A (en) * | 2018-08-28 | 2018-12-25 | 上海置信电气股份有限公司 | A kind of epoxy resin dry type transformer mold |
| CN109599260A (en) * | 2018-12-12 | 2019-04-09 | 天津维可特电力科技有限公司 | A kind of transformer wire wrap molding pours mold with epoxy |
| CN113601772A (en) * | 2021-07-13 | 2021-11-05 | 湖南科太电气有限公司 | Glue injection mold of magnetism-moving pressure regulating device and glue injection sealing production process based on same |
| CN114284060A (en) * | 2021-12-31 | 2022-04-05 | 北京高能锐新科技有限责任公司 | Preparation mould and saddle-shaped coil suitable for saddle-shaped coil |
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