CN-224217356-U - Novel closed wound core winding die

Abstract

The utility model discloses a novel closed wound core winding die which comprises a split winding die and an insulating baffle plate, wherein the split winding die is divided into an inner layer and an outer layer, each layer of split winding die is divided into two semicircular plates in a flat mode, the joint positions of the end parts of the inner layer of split winding die and the outer layer of split winding die are staggered, annular insulating baffle plates are arranged on the outer walls of the two ends of the split winding die, the insulating baffle plates are also divided into two halves, and the situation that the end parts are not aligned when the winding die is assembled is avoided, so that the deformation of the winding die is avoided, and the performance of a winding is ensured.

Inventors

• CAI HONG
• HUANG SHIFU
• ZHANG JIAYUE
• CHEN ZHENSHENG
• HUANG JIAQIAN

Assignees

• 常德国力变压器有限公司

Dates

Publication Date

20260508

Application Date

20250605

Claims (9)

1. 1. The utility model provides a novel closed wound core wire winding mould, includes split wire winding mould, insulating baffle, its characterized in that, wherein split wire winding mould divide into inside and outside two-layer, and every layer of split wire winding mould is divided into two semicircle boards in the plane, and the tip laminating department of inside and outside two-layer split wire winding mould misplaces each other, is provided with annular insulating baffle at separation wire winding mould both ends outer wall, and insulating baffle equally divides into two halves.
2. 2. A novel closed wound core former according to claim 1, wherein the corresponding semicircular plates of the inner and outer split winding formers are fixed to each other, and the ends of the split winding formers are offset.
3. 3. A novel closed wound core winding former according to claim 1 or 2, wherein the corresponding semicircular plates on the inner and outer split winding formers are connected by mortise and tenon means, and the ends of the split winding formers are dislocated.
4. 4. A novel closed wound core former according to claim 1 or 2, wherein the end surfaces of the adjacent end semicircular plates are inclined surfaces which are mutually fitted.
5. 5. A novel closed wound core former according to claim 1 or 2, wherein the two end faces of each semicircular plate are divided into V-shaped notches and V-shaped projections, and the V-shaped notches and the V-shaped projections are mutually matched.
6. 6. A novel closed wound core winding former according to claim 1 or 2, wherein the two end faces of each semicircular plate of the inner layer split winding former are provided with a matched limit groove and a limit block, and when the two semicircular plates are folded, dislocation of two ends of the split winding is avoided.
7. 7. The novel closed wound core winding mold according to claim 1, wherein the two semi-insulating baffles are in mortise-tenon fit, the insulating baffles are clamped on the outer wall of the split winding mold and are positioned at two ends of the split winding mold, the insulating baffles at one end are divided into a fixed plate and a detachable arc plate, the fixed plate is provided with arc grooves for embedding the detachable arc plate, and the detachable arc plates are two and two detachable arc plates are respectively positioned at the inner side and the outer side of the fixed plate.
8. 8. The novel closed wound core winding mold according to claim 7, wherein the inner wall of the arc-shaped groove is provided with a sliding groove, the detachable arc-shaped plate is divided into a plurality of sections and the sections are jointed end to end, one end of the arc-shaped groove is provided with a discharging hole, the width of the discharging hole is larger than the sliding groove, and the detachable arc-shaped plate is detached when the detachable arc-shaped plate moves to the discharging hole.
9. 9. The novel closed wound core winding mold according to claim 8, wherein an embedded groove for embedding the end part of the copper wire is formed in the inner wall of the detachable arc-shaped plate, the end part of the copper wire is clamped in the embedded groove, two adjacent groove bodies are formed in the outer wall of the detachable arc-shaped plate, and protrusions between the two groove bodies facilitate the detachable arc-shaped plate to be taken out of the arc-shaped groove.

Description

Novel closed wound core winding die Technical Field The utility model relates to the field of auxiliary winding equipment of transformer windings, in particular to a novel closed wound core winding die. Background When the winding is wound, a winding mould is sleeved on a phase column of the iron core, copper wires are wound on the winding mould through the winding mould, so that a winding is formed, the winding mould of the current closed-end iron core is mainly a round cylinder body and is divided into two halves, the round cylinder body is folded and sleeved on the phase column, then the winding is wound, when the winding mould is folded, when the end parts of the winding mould are not aligned, the winding mould can deform, the winding can correspondingly deform, namely the winding turns are the same as the winding turns, the length of the copper wires is shortened, and the performance of the transformer is affected. Disclosure of Invention Aiming at the defects in the prior art, the utility model provides a novel closed wound core winding die, which avoids the condition that the end parts are not aligned when the winding die is assembled, thereby avoiding the deformation of the winding die and ensuring the performance of windings. In order to achieve the purpose, the novel closed wound iron core winding mold comprises a split winding mold and an insulating baffle plate, wherein the split winding mold is divided into an inner layer and an outer layer, each layer of split winding mold is divided into two semicircular plates in a flat mode, the joint positions of the end parts of the inner layer and the outer layer of split winding mold are staggered, annular insulating baffle plates are arranged on the outer walls of the two ends of the split winding mold, and the insulating baffle plates are also divided into two halves. Preferably, the corresponding semicircular plates on the inner split winding mould and the outer split winding mould are mutually fixed, and the ends of the split winding moulds are staggered. Preferably, the corresponding semicircular plates on the inner and outer split winding moulds are connected in a mortise and tenon mode, and the ends of the split winding moulds are staggered. Preferably, the end surfaces of the adjacent two end semicircular plates are mutually attached inclined surfaces. Preferably, the two end surfaces of each semicircular plate are divided into a V-shaped notch and a V-shaped lug, and the V-shaped notch and the V-shaped lug are mutually matched. Preferably, two end faces of each semicircular plate of the inner-layer split winding die are provided with matched limiting grooves and limiting blocks, and when the two semicircular plates are folded, dislocation of two ends of the split winding is avoided. Preferably, two half insulating barrier are mortise-tenon fit, and insulating barrier card is on the components of a whole that can function independently coiling mould outer wall and insulating barrier is located the both ends of components of a whole that can function independently coiling mould, and wherein insulating barrier of one end divide into fixed plate and detachable arc, and it has the arc groove that supplies the embedding of detachable arc to open on the fixed plate, and detachable arc is two and two detachable arcs are located the inboard and the outside of fixed plate respectively. Preferably, a chute is formed in the inner wall of the arc-shaped groove, the detachable arc-shaped plate is divided into multiple sections, the multiple sections are attached to each other in an end-to-end mode, a discharging hole is formed in one end of the arc-shaped groove, the width of the discharging hole is larger than that of the chute, and the detachable arc-shaped plate is detached when the detachable arc-shaped plate moves to the discharging hole. Preferably, an embedded groove for embedding the end part of the copper wire is formed in the inner wall of the detachable arc-shaped plate, the end part of the copper wire is clamped in the embedded groove, two adjacent groove bodies are formed in the outer wall of the detachable arc-shaped plate, and protrusions between the two groove bodies are convenient for taking the detachable arc-shaped plate out of the arc-shaped groove. Compared with the prior art, the utility model has the advantages that: 1. The condition that the end parts are not aligned during the assembly of the winding mould is avoided, so that the deformation of the winding mould is avoided, and the performance of the winding is ensured; 2. The copper wire can be hidden in the winding former when the copper foil of the winding is performed, so that the subsequent winding is not affected. Drawings Fig. 1 is a perspective view of the present utility model. FIG. 2 is a schematic view of the mortise and tenon joint of two semicircular plates according to the present utility model. FIG. 3 is a schematic view of the semicircular plate of the present utility