CN219267480U - Rectangular coil winding die of amorphous alloy iron core distribution transformer - Google Patents
Rectangular coil winding die of amorphous alloy iron core distribution transformer Download PDFInfo
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- CN219267480U CN219267480U CN202320111230.XU CN202320111230U CN219267480U CN 219267480 U CN219267480 U CN 219267480U CN 202320111230 U CN202320111230 U CN 202320111230U CN 219267480 U CN219267480 U CN 219267480U
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Abstract
The utility model relates to a rectangular coil winding die of an amorphous alloy iron core distribution transformer, which comprises two die half body members and two connecting plates, wherein the die half body members are in a rectangular box shape, the connecting plates are in a rectangular shape, box openings of the two die half body members are oppositely arranged, a space is reserved between the two box openings to form a die body, the size of the space is the same as the width of a copper bar of a rectangular coil, and the two connecting plates are respectively and detachably fixedly connected to the side faces of the front end side and the rear end side of the die body. The rectangular coil is wound by adopting the utility model, the copper bar can be inserted into the space between the two half-body members of the mould, thereby being convenient for fixing the copper bar and demoulding after the rectangular coil is wound and formed (comprising the copper bar), compared with the traditional winding mould, the rectangular coil winding mould has the advantages of no need of arranging a copper bar fixing groove, simple structure, convenient assembly, reduced number of plates used by the winding mould and welding size, shortened processing period of the winding mould and reduced production cost.
Description
Technical Field
The utility model relates to a rectangular coil winding die of an amorphous alloy iron core distribution transformer, and belongs to the technical field of transformer assembly.
Background
In the production of amorphous alloy transformers, because the coil is a rectangular coil, the first row of coils in the winding process is difficult to fix, and a winding mould is generally adopted to complete the winding of the rectangular coil first, and the rectangular coil is sleeved on a core column of an iron core after demoulding. In order to facilitate the assembly of the copper bars of the rectangular coil, a traditional rectangular coil winding die is provided with copper bar fixing grooves, the die is complex to manufacture, the assembly is inconvenient, the coil preparation process is complex (including copper bar fixing), and the demolding is time-consuming. Because the products with the same capacity and different drawing numbers have different length and width dimensions of the needed rectangular coil, a large number of winding molds with different models are needed to meet production requirements in the process of manufacturing the amorphous transformer coil, and the winding molds belong to parts with higher processing precision, so that the production and processing of the winding molds are complex, the period is longer, and the overall production time of the transformer is prolonged.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides the rectangular coil winding die of the amorphous alloy iron core distribution transformer, which has the advantages of simple structure, simple copper bar fixation, simple die assembly and demoulding, and strong universality for rectangular coils with different sizes.
The technical scheme for achieving the aim of the utility model is as follows: the rectangular coil winding die of the amorphous alloy iron core distribution transformer comprises two die half body members and two connecting plates, wherein the die half body members are in a rectangular box shape (box covers are not arranged), the connecting plates are in a rectangular shape, the box openings of the die half body members are oppositely arranged, a space is reserved between the two box openings to form a die body, the size of the space is identical to the width of a copper bar of a rectangular coil, and the two connecting plates are respectively and detachably and fixedly connected to the side faces of the front end side and the rear end side of the die body.
Preferably, the space between the bottom surfaces of the two mold half members (referred to as the up-down height) is the same as the thickness of the core limb around which the rectangular coil is wound (allowing for an assembly gap of the rectangular coil on the core limb of the core).
Preferably, the width (referred to as the left-right width) of the mold half member is the same as the width of the leg of the core around which the rectangular coil is wound (allowing for an assembly gap of the rectangular coil on the leg of the core).
Preferably, the mold half member comprises a bottom plate, a left side plate, a right side plate, a front end plate and a rear end plate, wherein the same side edges of the left side plate and the right side plate are fixedly connected with the corresponding side edges of the bottom plate respectively, the same side edges of the front end plate and the rear end plate are fixedly connected with the corresponding side ends of the bottom plate respectively, the left side edges of the front end plate and the right side edges of the rear end plate are fixedly connected with the side plates of the corresponding sides respectively, and the plate surfaces of the adjacent plates are vertical.
Preferably, the mold half member is made of steel plates, each adjacent plate is welded and fixed, and the welding bead is positioned on the inner side of the mold half member.
Preferably, the front end plate and the rear end plate are respectively provided with two penetrating pin holes or screw holes, and are symmetrically arranged, the connecting plate is provided with four penetrating pin holes or screw holes, the pin holes or screw holes on the connecting plate are identical to the pin holes or screw holes on the corresponding end plates of the two half die members and correspond to the pin holes or screw holes in positions, and the connecting plate is fixedly connected with the die body through pins or bolts matched with the pin holes or screw holes.
Preferably, two pin holes or screw holes on the same end plate are positioned in the same horizontal plane, and a space is reserved between the two pin holes or screw holes.
Preferably, a space is left between the front end plate and the rear end plate and the corresponding side end parts of the mold half members, and the size of the space is larger than the thickness of the connecting plate.
Further, the spacing between the front and rear end plates and the respective side ends of the mold half members is not less than the sum of the thickness of the connecting plate and the thickness of the head of the pin or bolt.
Preferably, a rectangular through hole is formed in the center of the connecting plate, a rectangular groove corresponding to the through hole is formed in the corresponding end plate of the mold half member, and the rectangular groove is a through groove.
Preferably, the height of the connection plate is smaller than the interval between the bottom plates of the two mold half members, and the width of the connection plate is smaller than the interval between the left side plate and the right side plate of the mold half members.
After the connecting plate is arranged on the die body, gaps are reserved between the end edges of the connecting plate and the bottom plate of the die half component and the side plates on the corresponding sides respectively.
Preferably, four corners of the connecting plate are chamfered.
Preferably, the mold half member is provided with reinforcing ribs therein.
Further, both ends of the reinforcing rib are fixedly connected with the inner side plate surfaces of the front end plate and the rear end plate respectively.
The beneficial effects of the utility model are as follows:
(1) Because the interval between the two mould half body components is set, the copper bars can be inserted into the interval in the coiling process of the rectangular coil, so that the copper bars are convenient to fix, and demoulding after the rectangular coil is coiled and molded (comprising the copper bars), compared with the traditional coiling mould, the rectangular coil coiling mould has the advantages that a copper bar fixing groove is not required, the structure is simple, the assembly is convenient, the number of plates and welding size used by the coiling mould are reduced, the processing period of the coiling mould is shortened, and the production cost is reduced;
(2) Because the die body adopts a split type structure and is formed by combining two die half-body components, only the distance between the two die half-body components is required to be adjusted and the connection plates with proper heights are adopted for connection, and the distance between the bottom plates of the two die half-body components can be adjusted by changing the connection plates with different sizes, so that one die body can be suitable for winding rectangular coils with the same long axis length and different short axis lengths and with different sizes, the die body has strong universality and can be used repeatedly, the required quantity of the die bodies in the manufacturing process of the amorphous transformer coil can be effectively reduced, the production period of the total quantity of winding dies is shortened, and the overall production time of the transformer is reduced.
Drawings
FIG. 1 is a schematic view of a structure of an embodiment of a winding mold of the present utility model;
FIG. 2 is a schematic view of the mold half of FIG. 1;
FIG. 3 is a schematic view of the structure of the connection plate of FIG. 1;
Detailed Description
All directional indicators (e.g., up, down, left, right, front, rear, top, bottom, etc.) in the embodiments of the present utility model are merely used to explain the relative positional relationship between the components in a certain specific posture (as shown in the drawings), do not constitute a limitation on the actual use direction, and if the specific posture is changed, the directional indicator is correspondingly changed.
Referring to fig. 1-3, the utility model discloses a rectangular coil winding mold of an amorphous alloy iron core distribution transformer, which is used for winding a rectangular coil and comprises two mold half-body members 1 and two connecting plates 2, wherein the mold half-body members are in a rectangular box shape (without box covers), the connecting plates are rectangular, box openings of the two mold half-body members are opposite and all sides of the two mold half-body members are aligned (in the same plane) to form a mold body, a space 3 is reserved between the two mold half-body members, the size of the space is the same as the width of a copper bar of the rectangular coil, the copper bar is suitable for copper bar insertion, the two connecting plates are detachably and fixedly connected to the sides of the front end side and the rear end side of the mold body respectively, and the two mold half-body members are relatively fixed through the two connecting plates. Because the interval between two mould halibut components sets up, in rectangular coil's coiling in-process, can insert the interval with the copper bar in, both be convenient for the copper bar is fixed, and the drawing of patterns after the rectangular coil of being convenient for winds the shaping again (including the copper bar), compare in traditional wire winding mould, need not to set up the copper bar fixed slot, simple structure, convenient assembling has reduced panel quantity and the welding size that wire winding mould used, has shortened wire winding mould's processing cycle, has reduced manufacturing cost.
The spacing (referred to as the up-down height) between the bottom surfaces of the two mold halves is preferably the same as the thickness of the core leg around which the rectangular coil is wound, allowing for an assembly gap of the rectangular coil on the core leg of the core. The width (right and left width) of the mold half component is the same as the width of the core leg around which the rectangular coil is wound, and the assembly gap of the rectangular coil on the core leg of the core is allowed to be reserved. The rectangular coil is wound on the winding die, formed and demoulded, and the core hole is in shape with the cross section of the core limb needing to be wound, so that the rectangular coil is convenient to assemble on the core limb.
The mold half member preferably comprises a bottom plate 11, a left side plate 12, a right side plate 13, a front end plate 14 and a rear end plate, wherein the same side edges of the left side plate and the right side plate are fixedly connected with the corresponding side edges of the bottom plate respectively, the same side edges of the front end plate and the rear end plate are fixedly connected with the corresponding side ends of the bottom plate respectively, the left side plate, the right side plate, the front end plate and the rear end plate are positioned on the same side of the bottom plate, the left side edge and the right side edge of the front end plate and the left side edge and the right side edge of the rear end plate are fixedly connected with the side plates of the corresponding sides respectively, and the surfaces of the adjacent plates are vertical to each other to form a box shape.
The mould half body component adopts the steel sheet to make, namely the bottom plate left side board right side board front end board with the back end plate all adopts the steel sheet, for example Q235 steel sheet, and panel thickness is according to distribution transformer capacity size and wire winding mould's atress degree selection, welded fastening between each adjacent board, and the welding bead is located the inboard of mould half body component guarantees wire winding mould's surface smoothness, carries out galvanization.
The front end plate and the rear end plate are respectively provided with two penetrating pin holes or screw holes 15, the two pin holes or screw holes on the same end plate are positioned in the same horizontal plane, a distance is reserved between the two pin holes or screw holes, the front end plate and the pin holes or screw holes on the rear end plate are symmetrically arranged, four penetrating pin holes or screw holes 21 are arranged on the connecting plate, the pin holes or screw holes on the connecting plate are identical to the pin holes or screw holes on the corresponding end plates (the two front end plates or the two rear end plates of the mold half members connected by the connecting plate) of the two mold half members, the positions of the connecting plate and the mold body (the two front end plates or the two rear end plates of the mold half members) are corresponding to each other, and the connecting plate and the mold body (the two front end plates or the two rear end plates of the mold half members) are fixedly connected by pins or bolts 4 matched with the pin holes or screw holes, so that the two mold half members are relatively fixedly connected, and the distance between the two mold half members is kept.
Because the die body adopts split type structure, adopts two the combination of the half body component of mould constitutes, only need adjust two the interval between the half body component of mould and adopt suitable height the connecting plate is connected (one the die body can with many pairs of not co-ordinates the connecting plate cooperation is used), can adjust two the interval between the bottom plate of half body component of mould, thereby make one the die body can be suitable for the coiling of the rectangular coil of major axis length the same and the different size of minor axis length, and the commonality is strong repeatedly usable, can effectively reduce the demand quantity of the die body in the amorphous transformer coil manufacturing process, shortens the production cycle of wire winding die total amount, reduces the whole production time of transformer.
The front end plate and the rear end plate are preferably spaced from the corresponding side ends of the mold half member, that is, the front end plate and the front end portion (or the front end surface) of the mold half member are spaced from each other, the rear end plate and the rear end portion (or the rear end surface) of the mold half member are spaced from each other, and the size of the spacing is greater than the thickness of the connecting plate, preferably not less than the sum of the thickness of the connecting plate and the thickness of the head portion of the pin or bolt. So set up, after will through pin or bolt will connecting plate fixed connection is in on the corresponding side tip of mould body, pin or bolt and the connecting plate can not outwards bulge the corresponding side terminal surface of mould body (be located in the front end plate or the rear end plate of mould body and the cell type space that forms between the terminal surface of corresponding side) for the whole appearance of wire winding mould is more regular, and front and back end side is unobtrusive.
The center of the connecting plate is provided with a rectangular through hole 22, the corresponding end plate of the mold half member is provided with a rectangular groove 15 corresponding to the through hole, the rectangular groove is a through groove, namely, the rectangular groove is a groove recessed from the opposite side end edge of the front end plate or the rear end plate connected with the bottom plate to the bottom plate direction, and the groove is a through groove in the front-rear direction. The rectangular through holes are formed in the front-back direction of the winding mould, so that the conformal rotating shaft is convenient to insert and drive the winding mould to rotate, and winding of the coil is realized.
The height (referred to as the up-down height) of the connecting plate is preferably smaller than the interval between the bottom plates of the two half die members, namely, the height of the connecting plate is smaller than the thickness of the core leg wound by the rectangular coil, the width (referred to as the left-right width) of the connecting plate is preferably smaller than the interval between the left side plate and the right side plate of the half die member, namely, the width of the connecting plate is smaller than the width of the core leg wound by the rectangular coil, and four corners of the connecting plate are preferably chamfered. So set up, works as the connecting plate is installed on the mould body, each end edge of connecting plate respectively with leave the clearance between the bottom plate of mould half component and the curb plate of corresponding side (refer to left side board and right side board), be convenient for the connecting plate with the assembly connection between the mould body, avoid during the assembly connection the connecting plate with the condition of blocking appears between the bight of corresponding tip or tip of mould body.
The inside of the mold half member is preferably provided with a reinforcing rib so as to improve the structural strength of the mold half member, the reinforcing rib is preferably arranged along the front-back direction, and two ends of the reinforcing rib are respectively fixedly connected with the inner side plate surfaces of the front end plate and the rear end plate.
The preferred and optional technical means disclosed in the utility model may be combined arbitrarily to form a plurality of different technical schemes, except for the specific description and the further limitation that one preferred or optional technical means is another technical means.
Claims (10)
1. The rectangular coil winding die for the amorphous alloy iron core distribution transformer is characterized by comprising two die half body members and two connecting plates, wherein the die half body members are in a rectangular box shape, the connecting plates are in a rectangular shape, the box openings of the two die half body members are oppositely arranged, a space is reserved between the two box openings to form a die body, the size of the space is the same as the width of a copper bar of the rectangular coil, and the two connecting plates are respectively and detachably and fixedly connected to the side faces of the front end side and the rear end side of the die body.
2. The rectangular coil winding mold for amorphous alloy core distribution transformers of claim 1 wherein the spacing between the bottom surfaces of the mold halves is the same as the thickness of the core leg around which the rectangular coil is wound.
3. The rectangular coil winding mold for amorphous alloy core distribution transformers of claim 2 wherein the width of the mold halves is the same as the width of the core leg around which the rectangular coil is wound.
4. A rectangular coil winding mold for an amorphous alloy core distribution transformer as claimed in any one of claims 1 to 3, wherein the mold half member comprises a bottom plate, a left side plate, a right side plate, a front end plate and a rear end plate, the same side edges of the left side plate and the right side plate are fixedly connected with the corresponding side edges of the bottom plate respectively, the same side edges of the front end plate and the rear end plate are fixedly connected with the corresponding side ends of the bottom plate respectively, the left side edge and the right side edge of the front end plate and the rear end plate are fixedly connected with the side plates of the corresponding sides respectively, and the plate surfaces of the adjacent plates are vertical.
5. The rectangular coil winding mold for amorphous alloy iron core distribution transformers of claim 4, wherein two through pin holes or screw holes are respectively arranged on the front end plate and the rear end plate and symmetrically arranged, four through pin holes or screw holes are arranged on the connecting plate, the pin holes or screw holes on the connecting plate are identical to and correspond to the pin holes or screw holes on the corresponding end plates of the two mold half members in position, and the connecting plate is fixedly connected with the mold body through pins or bolts matched with the pin holes or screw holes.
6. The rectangular coil winding mold for an amorphous alloy core distribution transformer of claim 5, wherein a space is left between each of said front end plate and said rear end plate and the corresponding side end portion of said mold half member, and the size of the space is larger than the thickness of said connection plate.
7. The rectangular coil winding mold for amorphous alloy iron core distribution transformers according to claim 6, wherein the center of the connecting plate is provided with a rectangular through hole, the corresponding end plate of the mold half member is provided with a rectangular groove corresponding to the through hole, and the rectangular groove is a through groove.
8. The rectangular coil winding mold for an amorphous alloy core distribution transformer of claim 7, wherein the height of said connection plates is smaller than the spacing between the bottom plates of two of said mold half members, and the width of said connection plates is smaller than the spacing between said left side plate and said right side plate of said mold half members.
9. The rectangular coil winding mold for an amorphous alloy core distribution transformer of claim 8, wherein four corners of said connection plate are chamfered.
10. The rectangular coil winding mold for an amorphous alloy core distribution transformer of claim 9, wherein the mold halves are internally provided with reinforcing ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320111230.XU CN219267480U (en) | 2023-01-19 | 2023-01-19 | Rectangular coil winding die of amorphous alloy iron core distribution transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320111230.XU CN219267480U (en) | 2023-01-19 | 2023-01-19 | Rectangular coil winding die of amorphous alloy iron core distribution transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219267480U true CN219267480U (en) | 2023-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320111230.XU Active CN219267480U (en) | 2023-01-19 | 2023-01-19 | Rectangular coil winding die of amorphous alloy iron core distribution transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219267480U (en) |
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2023
- 2023-01-19 CN CN202320111230.XU patent/CN219267480U/en active Active
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