CN219213831U - Pouring mould of combined transformer - Google Patents
Pouring mould of combined transformer Download PDFInfo
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- CN219213831U CN219213831U CN202320278705.4U CN202320278705U CN219213831U CN 219213831 U CN219213831 U CN 219213831U CN 202320278705 U CN202320278705 U CN 202320278705U CN 219213831 U CN219213831 U CN 219213831U
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Abstract
The utility model relates to a casting mold of a combined transformer, which comprises a mold body and a mold cover plate arranged on the mold body, wherein a mold cavity for placing a current winding assembly and a voltage winding assembly is formed between the mold body and the mold cover plate, two casting holes communicated with the mold cavity are symmetrically formed in the mold cover plate, casting funnels penetrating into the two casting holes are respectively arranged on the mold cover plate, one end of each casting funnels is provided with a trumpet-shaped opening exposed out of the mold cover plate, the other end of each casting funnels is provided with a casting straight pipe penetrating into each casting hole and communicated with the trumpet-shaped opening, and hanging plates connected with the current winding assembly and the voltage winding assembly are respectively arranged on the inner wall of the mold cover plate. The utility model has the advantages of simple structure, stable and reliable performance, convenient operation, high production efficiency and capability of effectively improving the pouring quality of the transformer.
Description
Technical Field
The utility model relates to the technical field of transformers, in particular to a casting mold for a combined transformer.
Background
At present, the pouring type combined transformer is used for electric energy metering on a power grid transmission line and has the functions of measuring and monitoring current and voltage. When the casting mould of the existing casting type combined transformer is used for casting, the material is easy to lack in the casting mould, so that the bottom of the combined transformer is uneven, and the epoxy resin material needs to be subjected to repeated repair casting, so that the production efficiency of the casting mould is lower, and the waste of the epoxy resin material is easy to cause. And the casting mold can not fix the current winding and the voltage winding well, so that the distance between the current winding and the voltage winding is too small, and when the epoxy resin is adopted for casting, the thickness of the epoxy resin layer cast by the combined transformer is uneven, so that the epoxy resin layer is easy to crack, and the insulating property of the combined transformer is unreliable.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the casting mold of the combined transformer, which has the advantages of simple structure, stable and reliable performance, convenient operation, high production efficiency and capability of effectively improving the casting quality of the transformer.
In order to achieve the above purpose, the utility model adopts a casting mold of a combined transformer, which comprises a mold body and a mold cover plate arranged on the mold body, wherein a mold cavity for placing a current winding assembly and a voltage winding assembly is formed between the mold body and the mold cover plate, two casting holes communicated with the mold cavity are symmetrically arranged on the mold cover plate, casting funnels inserted in the two casting holes are respectively arranged on the mold cover plate, one end of each casting funnels is provided with a trumpet-shaped opening exposed out of the mold cover plate, the other end of each casting funnels is provided with a casting straight pipe inserted in each casting hole and communicated with the trumpet-shaped opening, and hanging plates connected with the current winding assembly and the voltage winding assembly are respectively arranged on the inner wall of the mold cover plate.
The beneficial effects of the structure are as follows: the two pouring funnels are arranged on the die cover plate, the pouring funnels can ensure that the epoxy resin material is evenly poured in the die cavity, the pouring quality can be effectively improved, after pouring is finished, the epoxy resin material in the pouring straight pipe can supplement the material in the die cavity, the bottom of the combined transformer after pouring molding can be ensured to be smooth, and the material supplementing is not required to be carried out again, so that the pouring efficiency is improved. And the hanging plate can fix the current winding assembly and the voltage winding assembly in the mold cavity, so that the distance between the current winding assembly and the voltage winding assembly can be ensured, and when the epoxy resin is adopted for casting, the thickness of the epoxy resin layer cast by the combined transformer is uniform, and the insulating property is better. Therefore, the casting mold of the combined transformer has the advantages of simple structure, stable and reliable performance, convenient operation, high production efficiency and capability of effectively improving the casting quality of the transformer.
Particularly, a supporting boss is arranged in the die body at the position corresponding to the lower part of the voltage winding assembly, and a supporting piece which is abutted against the voltage winding assembly is arranged on the supporting boss. The support piece can play a supporting role on the voltage winding assembly, and can prevent the voltage winding assembly from shaking along with the inside of the model cavity, so that the casting quality of the casting mold of the combined transformer is improved.
Particularly, the die body in be provided with the copper sheathing with high-voltage fuse matched with, high-voltage fuse one end block in the locating hole of copper sheathing, and constitute the spacing cooperation of high-voltage fuse and copper sheathing. The copper bush in the die body can play a role in positioning the high-voltage fuse, so that the high-voltage fuse and the die body can be assembled conveniently and conveniently.
In particular, two handles are symmetrically arranged on the die cover plate. The handle is arranged on the die cover plate, so that the die cover plate and the die body can be opened or closed conveniently, and the pouring efficiency of the pouring die can be improved.
Particularly, two sides of the die body are respectively provided with a fixed block, and the fixed blocks are provided with fixed holes. The die body is provided with the fixed block, so that the die body is convenient to install and the die body is more convenient to install.
Drawings
Fig. 1 is a front view showing the internal structure of an embodiment of the present utility model.
Fig. 2 is a left side view showing the internal structure of the embodiment of the present utility model.
Detailed Description
As shown in fig. 1 and 2, an embodiment of the present utility model is a casting mold for a combined transformer, including a mold body 10 and a mold cover plate 11 disposed on the mold body 10, a mold cavity 100 for placing a current winding assembly 20 and a voltage winding assembly 21 is formed between the mold body 10 and the mold cover plate 11, two casting holes 111 communicated with the mold cavity 100 are symmetrically disposed on the mold cover plate 11, casting funnels 12 penetrating into the two casting holes 111 are respectively disposed on the mold cover plate 11, a flared opening 121 exposing outside the mold cover plate 11 is disposed at one end of the casting funnels 12, a casting straight pipe 122 penetrating into the casting holes 111 and communicating with the flared opening 121 is disposed at the other end of the casting funnels 12, and hoisting plates 13 connected with the current winding assembly 20 and the voltage winding assembly 21 are respectively disposed on the inner wall of the mold cover plate 11. A supporting boss 101 is disposed in the die body 10 corresponding to the lower portion of the voltage winding assembly 21, and a supporting member 14 abutting against the voltage winding assembly 21 is disposed on the supporting boss 101. The support piece can play a supporting role on the voltage winding assembly, and can prevent the voltage winding assembly from shaking along with the inside of the model cavity, so that the casting quality of the casting mold of the combined transformer is improved. The die body 10 is internally provided with a copper sleeve 16 matched with the high-voltage fuse 15, one end of the high-voltage fuse 15 is clamped in a positioning hole of the copper sleeve 16, and the high-voltage fuse 15 is in limit fit with the copper sleeve 16. The copper bush in the die body can play a role in positioning the high-voltage fuse, so that the high-voltage fuse and the die body can be assembled conveniently and conveniently.
As shown in fig. 1, two handles 112 are symmetrically disposed on the mold cover 11. The handle is arranged on the die cover plate, so that the die cover plate and the die body can be opened or closed conveniently, and the pouring efficiency of the pouring die can be improved. Two sides of the die body 10 are respectively provided with a fixed block 102, and the fixed blocks 102 are provided with fixed holes 103. The die body is provided with the fixed block, so that the die body is convenient to install and the die body is more convenient to install.
The two pouring funnels are arranged on the die cover plate, the pouring funnels can ensure that the epoxy resin material is evenly poured in the die cavity, the pouring quality can be effectively improved, after pouring is finished, the epoxy resin material in the pouring straight pipe can supplement the material in the die cavity, the bottom of the combined transformer after pouring molding can be ensured to be smooth, and the material supplementing is not required to be carried out again, so that the pouring efficiency is improved. And the hanging plate can fix the current winding assembly and the voltage winding assembly in the mold cavity, so that the distance between the current winding assembly and the voltage winding assembly can be ensured, and when the epoxy resin is adopted for casting, the thickness of the epoxy resin layer cast by the combined transformer is uniform, and the insulating property is better. Therefore, the casting mold of the combined transformer has the advantages of simple structure, stable and reliable performance, convenient operation, high production efficiency and capability of effectively improving the casting quality of the transformer.
Claims (5)
1. The utility model provides a casting die of combination transformer which characterized in that: the novel casting mold comprises a mold body and a mold cover plate arranged on the mold body, wherein a mold cavity for placing a current winding assembly and a voltage winding assembly is formed between the mold body and the mold cover plate, two casting holes communicated with the mold cavity are symmetrically formed in the mold cover plate, casting funnels penetrating into the two casting holes are respectively arranged on the mold cover plate, one end of each casting funnel is provided with a trumpet-shaped opening exposed out of the mold cover plate, the other end of each casting funnel is provided with a casting straight pipe penetrating into the corresponding casting hole and communicated with the trumpet-shaped opening, and hanging plates connected with the current winding assembly and the voltage winding assembly are respectively arranged on the inner wall of the mold cover plate.
2. The casting mold of the combined transformer according to claim 1, wherein: the die body is internally provided with a supporting boss corresponding to the lower part of the voltage winding assembly, and the supporting boss is provided with a supporting piece which is abutted against the voltage winding assembly.
3. Casting mould of a combined transformer according to claim 1 or 2, characterized in that: the die body in be provided with high-voltage fuse matched with copper sheathing, high-voltage fuse one end block in the locating hole of copper sheathing, and constitute the spacing cooperation of high-voltage fuse and copper sheathing.
4. Casting mould of a combined transformer according to claim 1 or 2, characterized in that: two handles are symmetrically arranged on the die cover plate.
5. Casting mould of a combined transformer according to claim 1 or 2, characterized in that: the die is characterized in that two sides of the die body are respectively provided with a fixed block, and the fixed blocks are provided with fixed holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320278705.4U CN219213831U (en) | 2023-02-14 | 2023-02-14 | Pouring mould of combined transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320278705.4U CN219213831U (en) | 2023-02-14 | 2023-02-14 | Pouring mould of combined transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219213831U true CN219213831U (en) | 2023-06-20 |
Family
ID=86757250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320278705.4U Active CN219213831U (en) | 2023-02-14 | 2023-02-14 | Pouring mould of combined transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219213831U (en) |
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2023
- 2023-02-14 CN CN202320278705.4U patent/CN219213831U/en active Active
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