CN220895319U

CN220895319U - Winding structure of transformer bent foot

Info

Publication number: CN220895319U
Application number: CN202322529039.XU
Authority: CN
Inventors: 麦荣其; 刘映彤; 李学靖; 翟金良
Original assignee: Guangdong Hengjing Technology Co ltd
Current assignee: Guangdong Hengjing Technology Co ltd
Priority date: 2023-09-18
Filing date: 2023-09-18
Publication date: 2024-05-03
Anticipated expiration: 2033-09-18

Abstract

The utility model discloses a transformer bent PIN winding structure, which comprises a transformer iron core and a coil, wherein an installation cavity penetrating the transformer iron core is formed in the transformer iron core, a coil fixing frame is arranged in the coil, the coil is wound and connected to the outer side of the coil fixing frame, two ends of the coil fixing frame extend to the bottom of the transformer iron core, PIN PINs are fixedly arranged on two sides of the coil fixing frame, copper wires in the coil are wound and connected onto the PIN PINs, after soldering tin is wound and welded on the PIN PINs, the PIN PINs are subjected to PIN bending treatment, and a wire fixing structure is arranged on the PIN PINs.

Description

Winding structure of transformer bent foot

Technical Field

The utility model relates to the technical field of hardware pin processing, in particular to a transformer pin winding structure.

Background

Transformers are widely used in the current society, particularly small transformers, are an important component of electronic products, are devices for changing alternating voltage by utilizing the principle of electromagnetic induction, are mainly composed of coils and iron cores (magnetic cores), are basic equipment for power transmission and distribution, and are widely applied to the fields of industry, agriculture, traffic, urban communities and the like.

The transformer mainly comprises a transformer framework, a coil, a PIN and the like, the transformer framework is formed by injection molding through a manufacturer in the manufacturing process of the transformer, then after the PIN is inserted on the transformer framework, the PIN is punched and bent, and then the PIN is wound and soldered, but in the process, more acting force acts on the PIN, the phenomenon of rising of the PIN is easily caused, so that in the post manufacturing process, the action of manually flattening the PIN is needed, and when the PIN is punched and bent, a tail wire in winding is easily slid and shifted on the PIN, so that a copper wire is arranged at the bending position of the PIN, the tail wire which is manually processed and controlled is required to be arranged at a fixed position, the operation is complex, manual assistance is excessive, human resources are consumed, and the processing efficiency is reduced.

Disclosure of utility model

1. Technical problem to be solved by the utility model

Aiming at the defects of the prior art, the utility model aims to provide a winding structure of a transformer bent PIN, and aims to solve the problems that in the prior art, in the manufacturing process of a transformer, a tail wire is easy to slide and shift on a PIN PIN during winding, a copper wire is arranged at a bending position of the PIN PIN, the tail wire which needs to be manually arranged and controlled is at a fixed position, the operation is complex, and the processing efficiency is reduced.

2. Technical proposal

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a transformer leg winding structure, includes transformer core and coil, the installation cavity that link up it has been seted up to transformer core's inside, the inside of coil is provided with the coil mount, coil wire-wound joint is in the outside of coil mount, the both ends of coil mount extend to transformer core's bottom, the equal fixed mounting in both sides of coil mount has the PIN foot, the copper line in the wiring cable package on the PIN foot, copper line in the coil carries out the leg processing again after coiling soldering tin on the PIN foot, be provided with solid line structure on the PIN foot.

As a preferable scheme of the utility model, a plurality of PIN feet are distributed at equal intervals along the side edge of the package fixing frame.

In a preferred embodiment of the present utility model, the PIN and the coil holder are mounted in one of PIN insertion and injection.

As a preferable scheme of the utility model, the PIN is formed by one-step stamping through a stamping jig.

As a preferable scheme of the utility model, after the PIN is stamped and formed, a fixing section, a bending section and a flat leg section are sequentially formed along the external direction of the package fixing frame.

As a preferred embodiment of the present utility model, the flat legs are located on the same horizontal plane.

As a preferable scheme of the utility model, the wire fixing structure comprises a wire clamping section arranged on one side of the fixed section, the wire clamping section and the fixed section are integrally formed, the wire clamping section and the fixed section are of a U-shaped structure, a space for placing copper wires in the wire package is formed between the wire clamping section and the fixed section, a plurality of wire clamping grooves are formed in opposite sides of the wire clamping section and the fixed section in a counterpoint mode, and the copper wires in the wire package are placed in the wire clamping grooves to be limited and fixed.

As a preferred embodiment of the present utility model, the length of the clip segment is smaller than the length of the fixing segment.

3. Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

(1) According to the utility model, the copper wire is wound on the PIN PIN, the position of the copper wire is fixed through the wire fixing structure on the PIN PIN, the influence of the tail wire of the copper wire on the bent PIN is avoided, a jig is not required to arrange the tail wire, the working procedure of manually flattening the PIN is reduced, automatic equipment can be used for automatically bending the PIN, and the processing efficiency is improved.

(2) According to the utility model, the copper wire is placed between the wire clamping section and the fixed section to form a space for placing the coil for winding, and the copper wire in the space is limited and fixed through the wire clamping groove, so that the copper wire is fixed in position, the displacement of the copper wire on the PIN foot during winding is prevented, and the length of the wire clamping section is smaller than that of the fixed section, so that the stamping jig cannot contact the wire clamping section during corner bending treatment, and the operation of arranging the copper wire tail wire by the jig is reduced.

Drawings

FIG. 1 is a schematic diagram of the whole structure of a transformer winding structure according to the present utility model;

FIG. 2 is a schematic diagram showing the PIN bending state of the transformer winding structure of the present utility model;

fig. 3 is a schematic diagram of a PIN-unflexed state of the transformer winding structure of the present utility model.

In the figure: 1. a transformer core; 101. a mounting cavity; 2. a coil; 201. a coil fixing frame; 3. PIN number; 301. a fixed section; 302. bending sections; 303. a flat leg section; 304. a card line segment; 305. and a wire clamping groove.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.

Examples:

Referring to fig. 1-3, the present embodiment provides a winding structure for a transformer winding, including a transformer core 1 and a coil 2, the transformer core 1 is formed by sintering metal magnetic powder, and is one of manganese zinc ferrite, nickel zinc ferrite or high-power permeability material, the coil 2 is wound into a package for copper wire, a mounting cavity 101 penetrating the transformer core 1 is provided in the transformer core, a coil fixing frame 201 is provided in the coil 2, the coil 2 is wound on the outer side of the coil fixing frame 201, two ends of the coil fixing frame 201 extend to the bottom of the transformer core 1, PIN 3 is fixedly installed on two sides of the coil fixing frame 201, copper wires in the coil 2 are wound on the PIN 3, the PIN 3 is subjected to PIN bending processing after the copper wires are wound on the PIN 3 in the coil 2, and a wire fixing structure is provided on the PIN 3.

In this embodiment, as shown in fig. 1, a plurality of PIN 3 are distributed at equal intervals along the side of the package holder 201.

In the present embodiment, the PIN 3 and the coil holder 201 are mounted in one of a PIN insertion method and a buried injection method.

In this embodiment, as shown in fig. 2 and 3, the PIN 3 is formed by one-step stamping by using a stamping jig, after the PIN 3 is stamped and formed, a fixing section 301, a bending section 302 and a flat leg section 303 are sequentially formed along the external direction of the package fixing frame 201, and the PIN 3 after stamping and forming is in a zigzag structure, wherein the flat leg section 303 is located on the same horizontal plane.

In this embodiment, as shown in fig. 2 and 3, the wire fixing structure includes a wire clamping section 304 disposed on one side of the fixed section 301, the wire clamping section 304 and the fixed section 301 are integrally formed, the wire clamping section 304 and the fixed section 301 are in a U-shaped structure, a space for placing the copper wire in the wire package 2 is formed between the wire clamping section 304 and the fixed section 301, a plurality of wire clamping grooves 305 are formed in alignment on opposite sides of the wire clamping section 304 and the fixed section 301, the copper wire in the wire package 2 is placed in the wire clamping grooves 305 for limiting and fixing, during winding, the copper wire is placed between the wire clamping section 304 and the fixed section 301 for winding, and the copper wire in the space is limited and fixed through the wire clamping grooves 305, so that the copper wire is prevented from being displaced on the PIN 3, and the length of the wire clamping section 304 is smaller than the length of the fixed section 301, so that during corner bending, the stamping jig does not contact the wire clamping section 304, the operation of trimming the copper wire by the jig is reduced, and the processing efficiency is improved.

Working principle: when the transformer is wound, an operator firstly winds the copper wire in the coil 2 in a space formed between the clamping line segment 304 and the fixed segment 301 and positions and fixes the copper wire in the space through the clamping line groove 305, so that the position of the copper wire is fixed, the wound copper wire is completely arranged between the clamping line segment 304 and the fixed segment 301 and cannot exceed the range of the clamping line segment 304, and then the PIN 3 is punched and formed once through the punching jig.

All technical features in the embodiment can be freely combined according to actual needs.

The foregoing embodiments are preferred embodiments of the present utility model, and in addition, the present utility model may be implemented in other ways, and any obvious substitution is within the scope of the present utility model without departing from the concept of the present utility model.

Claims

1. The transformer bent foot winding structure comprises a transformer core (1) and a coil (2), and is characterized in that: the transformer is characterized in that a mounting cavity (101) which is communicated with the transformer core (1) is formed in the transformer core (1), a coil fixing frame (201) is arranged in the coil (2), the coil (2) is wound on the outer side of the coil fixing frame (201), two ends of the coil fixing frame (201) extend to the bottom of the transformer core (1), PIN feet (3) are fixedly arranged on two sides of the coil fixing frame (201), copper wires in the coil (2) are wound on the PIN feet (3), after the copper wires in the coil (2) are wound on the PIN feet (3), the PIN feet (3) are subjected to PIN bending, and a wire fixing structure is arranged on the PIN feet (3).

2. The transformer leg winding structure of claim 1, wherein: the PIN feet (3) are distributed at equal intervals along the side edge of the package fixing frame (201).

3. The transformer leg winding structure of claim 1, wherein: the mounting mode of the PIN (3) and the coil fixing frame (201) is one of a PIN inserting mode or a buried injection mode.

4. The transformer leg winding structure of claim 1, wherein: the PIN (3) is formed by one-step stamping through a stamping jig.

5. The transformer leg winding structure of claim 4, wherein: after the PIN (3) is stamped and formed, a fixing section (301), a bending section (302) and a flat leg section (303) are sequentially formed along the external direction of the package fixing frame (201).

6. The transformer leg winding structure of claim 5, wherein: the flat leg sections (303) are located on the same horizontal plane.

7. The transformer leg winding structure of claim 5, wherein: the wire fixing structure comprises a wire clamping section (304) arranged on one side of a fixed section (301), the wire clamping section (304) and the fixed section (301) are integrally formed, the wire clamping section (304) and the fixed section (301) are of a U-shaped structure, a space for placing copper wires in a wire package (2) is formed between the wire clamping section (304) and the fixed section (301), a plurality of wire clamping grooves (305) are formed in opposite positions of opposite surfaces of the wire clamping section (304) and the fixed section (301), and the copper wires in the wire package (2) are arranged in the wire clamping grooves (305) in a limiting mode.

8. The transformer leg winding structure of claim 7, wherein: the length of the card line section (304) is smaller than the length of the fixed section (301).