CN111383837A - Double-foil winding dry type transformer coil mold with copper bar fixing device - Google Patents
Double-foil winding dry type transformer coil mold with copper bar fixing device Download PDFInfo
- Publication number
- CN111383837A CN111383837A CN201811619911.7A CN201811619911A CN111383837A CN 111383837 A CN111383837 A CN 111383837A CN 201811619911 A CN201811619911 A CN 201811619911A CN 111383837 A CN111383837 A CN 111383837A
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- copper bar
- end plate
- coil
- type transformer
- fixing device
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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
- H01F41/06—Coil winding
- H01F41/061—Winding flat conductive wires or sheets
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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
- H01F41/06—Coil winding
- H01F41/098—Mandrels; Formers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Coils Of Transformers For General Uses (AREA)
Abstract
The invention discloses a double-foil winding dry type transformer coil mould with a copper bar fixing device, which comprises an upper end plate, an inner mould and a lower end plate, wherein the top of the upper end plate is respectively provided with a first copper bar groove and a second copper bar groove, an inner coil copper bar is arranged inside the first copper bar groove, one end of the inner coil copper bar is provided with an inner coil copper bar positioning groove, an outer coil copper bar is arranged inside the second copper bar groove, one end of the outer coil copper bar is provided with an outer coil copper bar positioning groove, the top of the lower end plate is respectively provided with a first fixing piece and a second fixing piece, the second fixing piece is fixedly connected with the lower end plate through bolts, two ends of the inner mould are respectively fixed on the upper end plate and the lower end plate, when a coil is wound, the upper end part of the copper bar is placed in the copper bar groove of the upper end plate, therefore, the manufacturing cost is reduced, and the production efficiency is improved.
Description
Technical Field
The invention relates to the technical field of transformer coil molds, in particular to a double-foil winding dry type transformer coil mold with a copper bar fixing device.
Background
At present two foils are unable to fix the copper bar around dry-type transformer coil mould, the general packing area that adopts of copper bar is fixed, this kind of fixed mode often when the coil coiling, moves along with the coil rotation easily, can't guarantee the position of the copper bar on the coil, the coil need constantly adjust the position of copper bar when the coiling, therefore it is longer to lead to the coil coiling time, influence the production cycle of product, reduced the production efficiency of product simultaneously, and reduced the quality of product.
Through search, the invention of patent number CN206893440U discloses a welding and fixing device for a low-voltage foil coil of a dry-type transformer, which comprises a fixing bracket, wherein at least one group of pressing devices is fixed on the downward side of the upper part of the fixing bracket; the pressing device comprises a power device fixed on the upper part of the fixed support, and the power device is connected with a pressing plate through a connecting rod.
However, the analysis shows that the existing double-foil winding dry-type transformer coil mould with the copper bar fixing device has the following defects; one is as follows: the position of the copper bar on the unable assurance coil, its two: the coil winding time is longer; and thirdly: the production cycle of the product is influenced, the production efficiency of the product is reduced, and the quality of the product is reduced.
Disclosure of Invention
Therefore, in order to solve the above-mentioned defects, the invention provides a coil mould of a double-foil winding dry-type transformer with a copper bar fixing device, when the coil is wound, only the upper end part of the copper bar needs to be placed in the copper bar slotting of the upper end plate, and the lower slot of the copper bar is clamped on the lower end plate positioning piece, so that the operation is convenient, the manufacturing cost is reduced, and the production efficiency is improved.
The invention is realized in such a way that a double-foil winding dry type transformer coil mould with a copper bar fixing device is constructed, the double-foil winding dry type transformer coil mould comprises an upper end plate, an inner mould and a lower end plate, the top part of the upper end plate is respectively provided with a first copper bar groove and a second copper bar groove, an inner coil copper bar is arranged inside the first copper bar groove, one end of the inner coil copper bar is provided with an inner coil copper bar positioning groove, an outer coil copper bar is arranged inside the second copper bar groove, one end of the outer coil copper bar is provided with an outer coil copper bar positioning groove, the top part of the lower end plate is respectively provided with a first fixing piece and a second fixing piece, the first fixing piece is tightly welded with the lower end plate, the second fixing piece is fixedly.
Optimally, the upper end plate and the lower end plate are both of an oval structure, the upper end plate is provided with a first copper bar slot and a second copper bar slot at symmetrical positions, and the widths of the first copper bar slot and the second copper bar slot are +2mm of the fixed copper bar width; first mounting and second copper bar fluting are located the homonymy, and second mounting and first copper bar fluting are located the homonymy, and it is fixed to can be with the interior coil copper bar through slotting first mounting and second copper bar, and it is more convenient to use.
Optimized, first copper bar fluting is the same with second copper bar fluting width, because the width restriction of two copper bar fixed slots is not high, has reduced the preparation degree of difficulty.
Optimized, first mounting is the same with the second mounting, and first mounting is the welding form, and the high form of first mounting is various, and it is more convenient to use.
Optimized, this take copper bar fixing device's two foil winding dry-type transformer coil mould is non-casting mould, and this mould mode of making is more various not confine to pour, and it is more convenient to cast.
Optimized, the centre form adopts thickness to form for 3mm steel sheet circle system, and inside is furnished with hoisting accessory, and seam crossing seals with 3 ~ 5mm silica gel board, and upper end plate and lower end plate suit respectively are on the centre form, and upper end plate and lower end plate and centre form suit clearance are 1mm, and upper end plate and lower end plate do not allow free movement on the centre form.
Compared with the existing double-foil winding dry-type transformer coil mold with the copper bar fixing device, the double-foil winding dry-type transformer coil mold with the copper bar fixing device has the following advantages that: when having the coil coiling, only need place copper bar upper end in the upper end plate copper bar fluting, copper bar lower part groove card under on the end plate setting element can, convenient operation has so both reduced manufacturing cost, has improved production efficiency again, specifically embodies:
the method has the advantages that: the upper end plate and the lower end plate are both of an oval structure, the upper end plate is provided with a first copper bar slot and a second copper bar slot at symmetrical positions, and the widths of the first copper bar slot and the second copper bar slot are +2mm of the fixed copper bar width; first mounting and second copper bar fluting are located the homonymy, and second mounting and first copper bar fluting are located the homonymy, and it is fixed to can be with the interior coil copper bar through slotting first mounting and second copper bar, and it is more convenient to use.
The method has the advantages that: the width of the first copper bar slot is the same as that of the second copper bar slot, and the width limitation of the two copper bar fixing slots is not high, so that the manufacturing difficulty is reduced.
The method has the advantages that: first mounting is the same with the second mounting, and first mounting is the welding form, and the high form of first mounting is various, and it is more convenient to use.
Drawings
FIG. 1 is a schematic structural view of a coil mold of a double-foil wound dry-type transformer with a copper bar fixing device according to the present invention;
FIG. 2 is a schematic diagram of a finished coil structure after winding according to the present invention;
FIG. 3 is a schematic view of the inner coil copper bar structure of the present invention;
FIG. 4 is a schematic view of the structure of an outer coil copper bar of the present invention;
FIG. 5 is a schematic structural diagram of an embodiment of the present invention;
FIG. 6 is a schematic diagram of an upper end plate structure according to an embodiment of the present invention;
FIG. 7 is a schematic view of a lower end plate structure according to an embodiment of the present invention;
fig. 8 is a schematic diagram of a structure of a finished coil after winding according to an embodiment of the present invention;
fig. 9 and 10 are schematic views of a copper bar being fixed according to an embodiment of the present invention;
sequence numbers shown in the figures: upper end plate 1, centre form 2, lower end plate 3, first mounting 4, second mounting 5, first copper bar fluting 6, second copper bar fluting 7, interior coil copper bar 8, outer coil copper bar 9, interior coil copper bar constant head tank 10, outer coil copper bar constant head tank 11.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 4, and the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention; furthermore, the terms "first," "second," "third," "upper, lower, left, right," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, for example, as being fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The invention provides a double-foil winding dry type transformer coil mould with a copper bar fixing device by improving, as shown in figures 1-4, which can be implemented as follows; including upper end plate 1, centre form 2 and lower end plate 3, 1 top of upper end plate is equipped with first copper bar fluting 6 and second copper bar fluting 7 respectively, 6 inside interior coil copper bar 8 that is equipped with of first copper bar fluting, 8 one ends of interior coil copper bar are equipped with interior coil copper bar constant head tank 10, 7 inside outer coil copper bar 9 that is equipped with of second copper bar fluting, 9 one end of outer coil copper bar is equipped with outer coil copper bar constant head tank 11, 3 tops of lower end plate are equipped with first mounting 4 and second mounting 5 respectively, and first mounting 4 and lower end plate 3 inseparable welding, second mounting 5 passes through bolt fixed connection with lower end plate 3, 2 both ends of centre form are fixed respectively on upper end plate 1 and lower end plate 3.
The upper end plate 1 and the lower end plate 3 are both of an oval structure, the upper end plate 1 is provided with a first copper bar slot 6 and a second copper bar slot 7 at symmetrical positions, and the widths of the first copper bar slot 6 and the second copper bar slot 7 are +2mm of the fixed copper bar width; first mounting 4 is located the homonymy with second copper bar fluting 7, and second mounting 5 and first copper bar fluting 6 are located the homonymy, and it is fixed with interior coil copper bar 8 to be able to through slotting 7 with first mounting 4 and second copper bar, and it is more convenient to use.
The width of the first copper bar slot 6 is the same as that of the second copper bar slot 7, and the width limitation of the two copper bar fixing slots 6 is not high, so that the manufacturing difficulty is reduced.
The first fixing piece 4 and the second fixing piece 5 are the same, the first fixing piece 4 can be in a welding mode, the height mode of the first fixing piece 4 is various, and the use is more convenient.
This take copper bar fixing device's two foil winding dry-type transformer coil moulds do not confine pouring for this mould of non-casting mould mode of making more various, and it is more convenient to cast.
The working principle of the double-foil winding dry-type transformer coil mold with the copper bar fixing device is as follows: before winding, the second fixing part 5 is taken down firstly, then the inner coil copper bar 8 welded with copper foil is tightly attached to the plane of the inner die 2, the upper part of the inner coil copper bar 8 is clamped in the second copper bar slot 7 of the upper end plate 1, the inner coil copper bar positioning slot 10 is clamped on the first fixing part 4 of the lower end plate 3, after the winding of the inner coil is finished, the second fixing part 5 is firstly installed on the lower end plate 3, then the outer coil copper bar 9 is placed at the symmetrical position of the outer surface of the inner coil and the inner coil copper bar 8, the upper part of the outer coil copper bar 9 is clamped in the first copper bar slot 6 of the upper end plate 1, the outer coil copper bar positioning slot 11 is clamped on the second fixing part 5 of the lower end plate 3, the outer coil starts to be wound until the outer coil is finished, because the widths of the first copper bar slot 6 and the second copper bar slot 7 are the same, the width limitation of the two copper bar, the first fixing piece 4 and the second fixing piece 5 can be the same or different, the first fixing piece 4 is in a welding mode, the height mode of the first fixing piece 4 is various, and the use is more convenient.
In conclusion; compared with the existing double-foil winding dry-type transformer coil mold with the copper bar fixing device, the double-foil winding dry-type transformer coil mold with the copper bar fixing device has the advantages that the upper end of the copper bar is placed in the upper end plate copper bar groove and the lower end plate copper bar groove is clamped on the lower end plate positioning piece during coil winding, operation is convenient, manufacturing cost is reduced, and production efficiency is improved.
Example 1
The utility model provides a take copper bar fixing device's two foil winding dry-type transformer coil mould, includes upper end plate 1, lower end plate 3, centre form 2, mounting 4, and centre form 2 cup joints upper end plate 1 and lower end plate 3 from top to bottom respectively, and wherein mounting 4 and mounting 5 are installed on lower end plate 3, and mounting 4 adopts welded fastening with lower end plate 3, and mounting 5 adopts the grafting to fix.
The structure that two foils were around dry-type transformer coil mould is that upper end plate 1 and lower end plate 3 are the long circle structure, and copper bar fixed slot 6 and copper bar fixed slot 7 are opened at the symmetric position to upper end plate 1, and the width of copper bar fixed slot 6 and copper bar fixed slot 7 is fixed copper bar width +2 mm. Install mounting 4 and mounting 5 on the lower end plate 3, mounting 4 adopts welded fastening with lower end plate 3, and mounting 5 adopts the grafting fixed with lower end plate 3. Wherein the fixing piece 4 and the copper bar slot 7 are positioned at the same side and used for fixing the inner coil copper bar 8. The fixing piece 5 and the copper bar slot 6 are positioned at the same side and used for fixing the outer coil copper bar 9.
The width of the copper bar fixing groove can be the same or different. The fixing member 4 and the fixing member 5 may be the same or different. The fixing part 4 can be welded, riveted or inserted.
The double-foil winding dry type transformer coil mold can be a non-casting mold and can also be a casting mold.
Example 2
Take copper bar fixing device's two foil to wind dry-type transformer coil mould, including centre form 2, upper end plate 1 and lower end plate 3, upper end plate 1 cup joints respectively on centre form 2 with lower end plate 3, and interior coil copper bar 8 hugs closely on centre form 2, and 8 upper portions cards of interior coil copper bar are in copper bar fluting 7 of upper end plate 1, and 8 lower parts cards of interior coil copper bar are on the mounting 4 of lower end plate 3, and the same with the radial size of coil of 3 radial sizes of upper end plate 1 and lower end plate.
The fixing piece 4 and the copper bar slot 7 are positioned at the same side and used for fixing the inner coil copper bar 8. The fixing piece 5 and the copper bar slot 6 are positioned at the same side and used for fixing the outer coil copper bar 9. The upper end plate 1 and the lower end plate 3 are in an oblong structural form, the inner diameter of the upper end plate is in a linear structure at one side of the copper bar slot 7, the inner diameter of the lower end plate 3 is in a semicircular structure at one side of the copper bar slot 6, and the inner diameters and the outer diameters of the upper end plate 1 and the lower end plate 3 are completely the same.
Interior coil copper bar 8 hugs closely centre form 2 when the coil is coiled, and wherein interior coil copper bar 8 upper end is placed in copper bar fluting 7, and mounting 4 is placed in interior coil copper bar constant head tank 10, guarantees interior coil copper bar 8 rigidity, and does not rotate along with the coil and remove.
After the inner coil is wound, the outer coil copper bar 9 is tightly attached to the outer side of the inner coil, the upper end of the outer coil copper bar 9 is placed in the copper bar groove 6, the fixing piece 5 is placed in the outer coil copper bar positioning groove 11, the position of the outer coil copper bar 9 is guaranteed to be fixed, and the outer coil copper bar 9 does not move along with the rotation of the coil.
Before winding, the finished coil is firstly taken down from the fixing part 5 on the die in the embodiment, then the inner coil copper bar 8 welded with the copper foil is tightly attached to the plane of the inner die 2, the upper part of the inner coil copper bar 8 is clamped in the copper bar slot 7 of the upper end plate 1, and the inner coil copper bar positioning groove 10 is clamped on the fixing part 4 of the lower end plate 3. After the end of inner coil winding, install mounting 5 on lower end plate 3 earlier, place outer coil copper bar 9 again in inner coil surface and 8 symmetrical positions departments of inner coil copper bar, outer coil copper bar 9 upper portion card is in the copper bar fluting 6 of upper end plate 1, and outer coil copper bar constant head tank 11 card is on mounting 5 of lower end plate 3, begins the coiling outer coil, and the coiling is accomplished until the outer coil.
Install mounting 4 and mounting 5 on the lower end plate 3, mounting 4 adopts welded fastening with lower end plate 3, and mounting 5 adopts the grafting fixed with lower end plate 3.
The fixing piece 4 and the copper bar slot 7 are positioned at the same side and used for fixing the inner coil copper bar 8. The fixing piece 5 and the copper bar slot 6 are positioned at the same side and used for fixing the outer coil copper bar 9.
The inner die 2 is formed by a steel plate ring with the thickness of 3mm, a lifting device is arranged in the inner die, and a 3-5 mm silica gel plate is used for sealing the joint.
The upper end plate 1 and the lower end plate 3 are respectively sleeved on the inner die 2, the sleeving gap between the upper end plate 1 and the lower end plate 3 and the inner die 2 is 1mm, and the upper end plate 1 and the lower end plate 3 are not allowed to freely move on the inner die 2. The upper end plate 1 and the lower end plate 3 are 6-8 mm steel plates.
The thickness of the fixing part 4 and the fixing part 5 is 5-8 mm, the width is 20-30 mm, and the height is 30-35 mm. The fixing part 4 is matched with the inner coil copper bar positioning groove 10, and the matching gap is 1 mm. The fixing piece 5 is matched with the outer coil copper bar positioning groove 11, and the matching gap is 1 mm.
The width of the copper bar 8 is 60mm, 80mm, 100mm, 120mm and 140mm, and the thickness is 6mm, 8mm, 10mm, 12mm and 14 mm.
The invention has the advantages that: when the coil is wound, the upper end of the copper bar is placed in the upper end plate copper bar slot, and the lower end plate copper bar slot is clamped on the lower end plate positioning piece.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a take copper bar fixing device's two foil winding dry-type transformer coil moulds, includes upper end plate (1), centre form (2) and lower end plate (3), its characterized in that: upper end plate (1) top is equipped with first copper bar fluting (6) and second copper bar fluting (7) respectively, first copper bar fluting (6) inside is equipped with interior coil copper bar (8), interior coil copper bar (8) one end is equipped with interior coil copper bar constant head tank (10), second copper bar fluting (7) inside is equipped with outer coil copper bar (9), outer coil copper bar (9) one end is equipped with outer coil copper bar constant head tank (11), end plate (3) top is equipped with first mounting (4) and second mounting (5) respectively down, just first mounting (4) and end plate (3) welded closely down, second mounting (5) with end plate (3) pass through bolt fixed connection down, centre form (2) both ends are fixed respectively on upper end plate (1) and end plate (3) down.
2. The double-foil winding dry-type transformer coil mold with the copper bar fixing device as claimed in claim 1, wherein: the upper end plate (1) and the lower end plate (3) are both of an oval structure, the upper end plate (1) is provided with a first copper bar slot (6) and a second copper bar slot (7) at symmetrical positions, and the widths of the first copper bar slot (6) and the second copper bar slot (7) are +2mm of the fixed copper bar width; the first fixing piece (4) and the second copper bar slot (7) are located on the same side, and the second fixing piece (5) and the first copper bar slot (6) are located on the same side.
3. The double-foil winding dry-type transformer coil mold with the copper bar fixing device as claimed in claim 2, wherein: the first copper bar slot (6) and the second copper bar slot (7) are the same in width.
4. The double-foil winding dry-type transformer coil mold with the copper bar fixing device as claimed in claim 2, wherein: the first fixing piece (4) and the second fixing piece (5) are the same, and the first fixing piece (4) can be in a welding mode.
5. The double-foil winding dry-type transformer coil mold with the copper bar fixing device as claimed in claim 2, wherein: the double-foil winding dry-type transformer coil mold with the copper bar fixing device is a non-casting mold.
6. The double-foil winding dry-type transformer coil mold with the copper bar fixing device as claimed in claim 1, wherein: centre form (2) adopt thickness to form for 3mm steel sheet ring system, and inside is furnished with hoisting accessory, and seam crossing seals with 3 ~ 5mm silica gel board, upper end plate (1) and lower end plate (3) suit respectively on centre form (2), and upper end plate (1) and lower end plate (3) and centre form (2) suit clearance are 1mm, and upper end plate (1) and lower end plate (3) do not allow free movement on centre form (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811619911.7A CN111383837A (en) | 2018-12-28 | 2018-12-28 | Double-foil winding dry type transformer coil mold with copper bar fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811619911.7A CN111383837A (en) | 2018-12-28 | 2018-12-28 | Double-foil winding dry type transformer coil mold with copper bar fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111383837A true CN111383837A (en) | 2020-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811619911.7A Pending CN111383837A (en) | 2018-12-28 | 2018-12-28 | Double-foil winding dry type transformer coil mold with copper bar fixing device |
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| CN (1) | CN111383837A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113421768A (en) * | 2021-06-17 | 2021-09-21 | 辽宁易发式电气设备有限公司 | Winding method of foil type elliptical coil of transformer |
-
2018
- 2018-12-28 CN CN201811619911.7A patent/CN111383837A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113421768A (en) * | 2021-06-17 | 2021-09-21 | 辽宁易发式电气设备有限公司 | Winding method of foil type elliptical coil of transformer |
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Application publication date: 20200707 |