CN219076333U

CN219076333U - Novel die structure for maintainable deep fusion solid-sealed polar pole

Info

Publication number: CN219076333U
Application number: CN202223063974.3U
Authority: CN
Inventors: 王丰健; 封容平; 王靖; 祝祺
Original assignee: Zhejiang Tianji Instrument Transformer Co ltd
Current assignee: Zhejiang Tianji Instrument Transformer Co ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-05-26
Anticipated expiration: 2032-11-18

Abstract

The utility model is applicable to the technical field of dies, and provides a novel die structure for a maintainable deep fusion solid-sealed pole, which comprises a static die and a movable die, wherein the static die is positioned above the movable die; the surface of the static mold is provided with a mold cavity, the middle part of the static mold cavity is transversely provided with a lower core pulling function from the front end to the rear end of the static mold, the rear end of the inner wall of the static mold cavity is provided with a bottom mold, and the bottom mold consists of a mounting base, a voltage insert and a current insert. This novel mould structure about maintainable type deep integration solid seal utmost point post designs the die cavity of current transformer ware body and voltage transformer electric capacity as opposite through the analysis, makes both separation, avoids current transformer and voltage transformer mutual interference, improves withstand voltage, the partial discharge characteristic of product, and the design of loosing core through the mould structure solves the problem design mould structure such as the upper loose core of product leakage, drawing of patterns difficulty, lower loose core, side loose core, has improved the flow environment of resin.

Description

Novel die structure for maintainable deep fusion solid-sealed polar pole

Technical Field

The utility model belongs to the technical field of dies, and particularly relates to a novel die structure for a maintainable deep fusion solid-sealed polar pole.

Background

Before the power distribution network is fused to the secondary, the power grid is in a traditional power distribution state, the traditional state means that primary equipment and secondary terminal wiring are connected through cables, the mode makes each work operation complicated, and a large amount of time is spent, meanwhile, the ports of the secondary equipment are not matched, so that various branches often appear on both sides of the secondary equipment, the work operation is difficult, and the secondary fusion technology of the power distribution network aims at solving a series of problems caused by the mismatching of the wiring ports of the secondary equipment.

For traditional solid-sealed pole products, a series of elements including a current transformer body, a voltage transformer capacitance element and a primary conductive loop part (including a vacuum arc extinguishing chamber, a conductive rod, a shielding net and the like) are packaged together mainly through an APG (automatic pressure gel injection system), so that more elements and devices are arranged in a die space, the structure is too compact, and interference is easy to occur among different elements and devices.

Disclosure of Invention

The utility model provides a novel die structure for a maintainable deep fusion solid-sealed polar pole, and aims to solve the problems that more components are arranged in a die space, the structure is too compact, and interference is easy to occur among different components.

The utility model is realized in such a way that a novel die structure related to a maintainable deep fusion solid-sealed pole column comprises a static die and a movable die, wherein the static die is positioned above the movable die;

the surface of the static mold is provided with a mold cavity, the middle part of the static mold cavity is transversely provided with a lower core pulling function along the front end to the rear end of the static mold, the rear end of the inner wall of the static mold cavity is provided with a bottom mold, the bottom mold consists of a mounting base, a voltage insert and a current insert, the voltage insert and the current insert are fixedly connected to the front side surface of the mounting base through screws, and the mounting base is embedded into the rear end of the inner wall of the static mold cavity;

a side surface of the inner wall of the static mold cavity is transversely and fixedly connected with a side core pulling device through a locating pin, the other end of the side core pulling device is fixedly connected with a connecting insert, and the front end of the static mold cavity is fixedly connected with an upper core pulling device through a locating pin.

Preferably, the front end fixedly connected with inlet wire copper sheathing of quiet mould die cavity, go up loose core assemble in inside the inlet wire copper sheathing, the front end of loosing core down rises and pushes up tightly the inlet wire copper sheathing.

Preferably, the secondary lead is fixedly connected to the current insert through the insert.

Preferably, the capacitor high-voltage lead and the capacitor low-voltage lead of the voltage transformer are respectively and fixedly connected to the wire inlet copper sleeve and the voltage insert through screws.

Preferably, the current transformer body is fixedly connected to the current insert through a hoisting support of the current transformer body.

Preferably, the wire-incoming element wire-outgoing shielding net assembly is fixedly connected to the side core pulling device, and the lower core pulling device is propped against the connecting insert and the side core pulling device after rising.

Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that: the utility model relates to a novel mold structure of a maintainable deep fusion solid-sealed polar pole, the design of the mold structure improves the layout of components in a mold cavity, improves the problems of poor pressure resistance and partial discharge, separates a current transformer body from a mold cavity of a voltage transformer capacitor by analyzing the opposite surface of the mold cavity, avoids mutual interference of the current transformer and the voltage transformer, improves the pressure resistance and partial discharge characteristics of a product, designs the mold structures such as upper core pulling, lower core pulling, side core pulling and the like of the mold by the core pulling design of the mold structure, improves the flowing environment of resin, ensures that the material injection of the product is more complete, reduces the leakage and bubbles, simultaneously ensures that the demolding is easier after the product is solidified, improves the quality of the product, and improves the maintainability of the product by separating the components of a primary conductive loop from the traditional solid-sealed structure.

Drawings

FIG. 1 is a schematic view of the bottom view of the present utility model;

FIG. 2 is a schematic diagram of the structure of the incoming copper sleeve and outgoing shielding net assembly of the present utility model;

FIG. 3 is a schematic diagram of the static mold and the moving mold according to the present utility model;

fig. 4 is a schematic structural diagram of the movable mold and the anticorrosive coating according to the present utility model.

In the figure: 1. static mold; 2. a movable mold; 3. lower core pulling; 4. a voltage insert; 5. a mounting base; 6. a current insert; 7. connecting the insert; 8. side core pulling; 9. upper core pulling; 10. an anti-corrosion coating; 11. a capacitor high voltage lead; 12. primary capacitance; 13. a capacitor low voltage lead; 14. hoisting the bracket; 15. a secondary lead; 16. a current transformer body; 17. an outgoing line shielding net assembly; 18. and (5) feeding the copper sleeve.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: a novel die structure for a maintainable deep fusion solid-sealed pole comprises a static die 1 and a movable die 2, wherein the static die 1 is positioned above the movable die 2; the surface of the static mold 1 is provided with a mold cavity, the middle part of the mold cavity of the static mold 1 is transversely provided with a lower core pulling 3 along the front end to the rear end of the static mold 1, and the rear end of the inner wall of the mold cavity of the static mold 1 is provided with a bottom mold.

The bottom die consists of a mounting base 5, a voltage insert 4 and a current insert 6, wherein the voltage insert 4 and the current insert 6 are fixedly connected to the front side surface of the mounting base 5 through screws, and the mounting base 5 is embedded into the rear end of the inner wall of the die cavity of the static die 1.

A side face of the inner wall of the die cavity of the static die 1 is transversely and fixedly connected with a side core pulling 8 through a locating pin, the other end of the side core pulling 8 is fixedly connected with a connecting insert 7, and the front end of the die cavity of the static die 1 is fixedly connected with an upper core pulling 9 through the locating pin.

The back end of the other side of the die cavity of the static die 1 is provided with a primary capacitor 12, and the surface of the movable die 2 is coated with an anti-corrosion coating 10.

The movable mould 2 and the static mould 1 are fixed on a heating plate of the injection molding equipment through bolts, the movable mould 2 moves under the control of a motor and is matched with the static mould 1 to carry out mould closing and mould separating, and the static mould 1 is provided with a sealing strip, a material injection port and an exhaust hole.

The lower loose cores 3 are fixed on the injection molding equipment through bolts, and after the lower loose cores enter the mold cavity upwards, a primary conductive loop assembly space after the product is molded is provided; core pulling is carried out when the mould moves downwards, so that demoulding is convenient.

The bottom die consists of a mounting base 5, a voltage insert 4 and a current insert 6, wherein the voltage insert 4 and the current insert 6 are connected to the mounting base 5 through bolts, and the bottom die is assembled and then embedded into the static die 1. After the product is removed from the die cavity, the bottom die is removed for the second time, and a mounting space of the sealing ring and a space for filling and sealing the secondary capacitor are reserved on the product by the bottom die.

The connecting insert 7 is assembled on the side core-pulling 8, the side core-pulling 8 is fixed on the static mold 1 through a locating pin, and after the lower core-pulling 3 enters the mold cavity, a primary loop outlet assembling space is formed by matching the lower core-pulling 3.

The upper core pulling 9 is fixed on the static mold 1 through a locating pin to form a primary loop inlet wire assembly space.

Further, the front end of the die cavity of the static die 1 is fixedly connected with an incoming wire copper sleeve 18, the upper core pulling 9 is assembled inside the incoming wire copper sleeve 18, and the front end of the lower core pulling 3 is lifted to tightly jack the incoming wire copper sleeve 18.

Further, the secondary lead 15 is fixedly connected to the current insert 6 by an insert.

Further, the capacitor high-voltage lead 11 and the capacitor low-voltage lead 13 of the voltage transformer are respectively and fixedly connected to the wire inlet copper sleeve 18 and the voltage insert 4 through screws.

Further, the current transformer body 16 is fixedly connected to the current insert 6 through the hoisting support 14.

Further, the wire-incoming element wire-outgoing shielding net assembly 17 is fixedly connected to the side core-pulling 8, and the insert 7 and the side core-pulling 8 are tightly connected after the lower core-pulling 3 ascends.

Adjusting the position of the element, closing the movable mould 2, and removing the movable mould 2 for demoulding after solidification and molding; horizontally moving the lower core pulling 3 module to enable the product to be pulled out of the static mold 1; the upper core-pulling 9 and the side core-pulling 8 are respectively separated; the lower core pulling 3 is separated; the connecting insert 7 is separated; after the bolts are loosened, the bottom die is separated.

The working principle and the using flow of the utility model are as follows: after the utility model is installed, the die cavities of the current transformer body 16 and the voltage transformer capacitor are designed to be opposite for analysis, so that the two are separated, the mutual interference of the current transformer and the voltage transformer is avoided, the withstand voltage and partial discharge characteristics of the product are improved, the upper core-pulling 9, the lower core-pulling 3, the side core-pulling 8 and other die structures of the die are designed, the flowing environment of resin is improved, the product material injection is more sufficient, material leakage and air bubbles are reduced, meanwhile, the demolding after the product is solidified is easier, the element position is adjusted, the movable die 2 is clamped, and the movable die 2 is removed for demolding after solidification molding; horizontally moving the lower core pulling 3 module to enable the product to be pulled out of the static mold 1; the upper core-pulling 9 and the side core-pulling 8 are respectively separated; the lower core pulling 3 is separated; the connecting insert 7 is separated; after the bolts are loosened, the bottom die is separated.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. Novel mould structure about maintainable type deep integration solid seal utmost point post, its characterized in that: the mold comprises a static mold (1) and a movable mold (2), wherein the static mold (1) is positioned above the movable mold (2);

the surface of the static mold (1) is provided with a mold cavity, the middle part of the mold cavity of the static mold (1) is transversely provided with a lower core pulling (3) along the front end to the rear end of the static mold (1), the rear end of the inner wall of the mold cavity of the static mold (1) is provided with a bottom mold, the bottom mold consists of a mounting base (5), a voltage insert (4) and a current insert (6), the voltage insert (4) and the current insert (6) are fixedly connected to the front side surface of the mounting base (5) through screws, and the mounting base (5) is embedded into the rear end of the inner wall of the mold cavity of the static mold (1);

a side face of the inner wall of a die cavity of the static die (1) is transversely and fixedly connected with a side core pulling piece (8) through a locating pin, the other end of the side core pulling piece (8) is fixedly connected with a connecting insert (7), and the front end of the die cavity of the static die (1) is fixedly connected with an upper core pulling piece (9) through the locating pin.

2. The novel mold structure for maintainable deep-fusion-seal polar post according to claim 1, wherein: the front end fixedly connected with inlet wire copper sleeve (18) of quiet mould (1) die cavity, go up loose core (9) assemble in inlet wire copper sleeve (18) is inside, the front end of loosing core (3) rises and pushes up inlet wire copper sleeve (18).

3. The novel mold structure for maintainable deep-fusion-seal polar post according to claim 1, wherein: the secondary lead (15) is fixedly connected to the current insert (6) through the insert.

4. The novel die structure for a maintainable deep-fusion-seal polar post as defined in claim 2, wherein: the capacitor high-voltage lead (11) and the capacitor low-voltage lead (13) of the voltage transformer are respectively and fixedly connected to the wire inlet copper sleeve (18) and the voltage insert (4) through screws.

5. The novel mold structure for maintainable deep-fusion-seal polar post according to claim 1, wherein: the current transformer body (16) is fixedly connected to the current insert (6) through the hoisting support (14) of the current transformer body.

6. The novel mold structure for maintainable deep-fusion-seal polar post according to claim 1, wherein: the wire-incoming element wire-outgoing shielding net assembly (17) is fixedly connected to the side core-pulling assembly (8), and the lower core-pulling assembly (3) is lifted and then tightly supported by the connecting insert (7) and the side core-pulling assembly (8).