CN211638100U

CN211638100U - Inductance pin folding device

Info

Publication number: CN211638100U
Application number: CN201921993452.9U
Authority: CN
Inventors: 刘宇蓝
Original assignee: Wuxi Jinglei Electronic Co ltd
Current assignee: Wuxi Jinglei Electronic Co ltd
Priority date: 2019-09-11
Filing date: 2019-11-18
Publication date: 2020-10-09
Anticipated expiration: 2029-11-18

Abstract

The utility model relates to an inductance pin folding device, which comprises a forming die, a bottom plate clamping groove matched with the lower part of the forming die and a pressing plate matched with the upper part of the forming die; one end of the forming die is provided with a groove for accommodating the inductor, the middle parts of two side surfaces of the forming die are respectively provided with a boss higher than the side surfaces, the two bosses are symmetrically arranged, and one end of each boss extends to the groove; the bottom plate clamping groove comprises a supporting part and a limiting part, the supporting part is of a U-shaped structure, a square groove matched with the forming die is formed between two side walls of the U-shaped structure, and steps are symmetrically arranged on two sides in the square groove; the pressing plate comprises a body, two sides of the bottom surface of the body are respectively matched with the top surfaces of the two side walls of the U-shaped structure, two gear shaping teeth are arranged in the middle of the bottom surface of the body at intervals, and the distance between the two gear shaping teeth is larger than the thickness of the forming die. The utility model provides the high foot efficiency of rolling over to high-power common mode inductance pin, unified foot is apart from and the row is apart from, is fit for production line batch production processing.

Description

Inductance pin folding device

Technical Field

The utility model belongs to the technical field of inductance pin book foot technique and specifically relates to a foot device is rolled over to inductance.

Background

In the prior art, after the winding of the high-power common mode inductor winding is completed, four pins on the inductor need to be connected: the pins are arranged in two rows at intervals, and two pins of each row are symmetrically arranged in a V shape; the inductor is bent into a pin pitch and a row pitch required by the circuit board, and two pins symmetrically arranged in a V shape are oppositely bent into a state vertical to the circuit board; the method used at present uses flat tongs to manually fold feet, the manual operation is not only low in efficiency, but also the radian of bending, the foot distance between two pins of each group and the row distance between two rows of pins do not have a uniform standard in the foot folding operation, so that the foot folding is not standard, and the product yield is influenced.

SUMMERY OF THE UTILITY MODEL

The applicant provides an inductance pin folding device with a reasonable structure aiming at the defects in the prior art, so that the pin folding efficiency of high-power common-mode inductance pins is improved, the pin pitch and the row pitch are unified, and the inductance pin folding device is suitable for batch production and processing of production lines.

The utility model discloses the technical scheme who adopts as follows:

an inductance pin folding device comprises a forming die, a bottom plate clamping groove matched with the lower part of the forming die, and a pressing plate matched with the upper part of the forming die; one end of the forming die is provided with a groove for accommodating the inductor, the middle parts of two side surfaces of the forming die are respectively provided with a boss higher than the side surfaces, the two bosses are symmetrically arranged, and one end of each boss extends to the groove; the bottom plate clamping groove comprises a supporting part and a limiting part, the supporting part is of a U-shaped structure, a square groove matched with the forming die is formed between two side walls of the U-shaped structure, and steps are symmetrically arranged on two sides in the square groove; the pressing plate comprises a body, two sides of the bottom surface of the body are respectively matched with the top surfaces of the two side walls of the U-shaped structure, two gear shaping teeth are arranged in the middle of the bottom surface of the body at intervals, and the distance between the two gear shaping teeth is larger than the thickness of the forming die.

As a further improvement of the above technical solution:

the inductor is symmetrically provided with two groups of flat wires, and each group of flat wires comprises a first pin and a second pin which are arranged at intervals.

And placing the inductor into the groove of the forming die, and separating the first pin and the second pin of the flat wire on each side through the boss.

And the forming die is horizontally placed in the square groove, the bottom surface of the forming die is in contact with the bottom of the square groove, the top surface of the forming die is positioned between the two gear shaping teeth, meanwhile, the two second pins are respectively supported by the two steps, and the two first pins are respectively pressed by the two gear shaping teeth.

The limiting part comprises a baffle connected with the supporting part through a bottom plate, the baffle and the supporting part are arranged in parallel, and the inner side surface of the baffle is opposite to the groove opening.

The middle part of the upper surface of the body is provided with a connecting end.

The utility model has the advantages as follows:

the utility model has the advantages of compact structure and reasonable structure, the utility model discloses a location is unified with two sets of flat wires (pin) on the inductance to the moulded die, the foot distance between two pins of every group flat wire is confirmed to the width through the boss, confirm the row distance between two sets of (row) pins through moulded die thickness, fix the inductance in the moulded die, put the moulded die in the bottom plate draw-in groove, upper portion compresses tightly with the clamp plate, the gear shaping through step and clamp plate, first pin and the second pin of every side are bending to the boss direction, make two pins that originally become V type structure bend into the state that is parallel to each other along the boss, pin and circuit board after having guaranteed to roll over the foot remain perpendicular, and is simple in operation, and the efficiency is greatly improved.

Drawings

Fig. 1 is a schematic diagram of the state of the inductor after bending the legs.

Fig. 2 is a schematic structural diagram of the matching between the inductor and the forming die after the leg is folded.

Fig. 3 is a schematic structural diagram of the forming die of the present invention.

Fig. 4 is a left side view of fig. 3.

Fig. 5 is a schematic structural diagram of the bottom plate slot of the present invention.

Fig. 6 is a schematic structural view of the pressing plate of the present invention.

Fig. 7 is a right side view of fig. 1.

Wherein: 1. pressing a plate; 2. forming a mould; 3. a bottom plate clamping groove; 4. an inductance; 101. a connecting end; 102. a body; 103. gear shaping; 201. a boss; 202. a groove; 301. a side wall; 302. a square groove; 303. a step; 304. a base plate; 305. a baffle plate; 401. a first pin; 402. a second pin.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1, the inductance leg folding device of the present embodiment includes a forming die 2, a bottom board slot 3 engaged with a lower portion of the forming die 2, and a pressing plate 1 engaged with an upper portion of the forming die 2;

as shown in fig. 2-4, one end of the forming die 2 has a groove 202 for accommodating the inductor 4, the middle parts of two side surfaces of the forming die 2 are respectively provided with a boss 201 higher than the side surface, the two bosses 201 are symmetrically arranged, and one end of each boss 201 extends to the groove 202;

as shown in fig. 5, the bottom board card slot 3 includes a supporting portion and a limiting portion, the supporting portion is a U-shaped structure, a square groove 302 matched with the forming die 2 is formed between two side walls 301 of the U-shaped structure, and steps 303 are symmetrically arranged on two sides in the square groove 302;

as shown in fig. 6, the pressing plate 1 includes a body 102, two sides of the bottom surface of the body 102 are respectively matched with the top surfaces of two side walls 301 of the U-shaped structure, two gear shaping teeth 103 are arranged in the middle of the bottom surface of the body 102 at intervals, and the distance between the two gear shaping teeth 103 is greater than the thickness of the forming die 2.

Two groups of flat wires are symmetrically arranged on the inductor 4, and each group of flat wires comprises a first pin 401 and a second pin 402 which are arranged at intervals.

As shown in fig. 7, the inductor 4 is placed in the recess 202 of the molding die 2, and the first pin 401 and the second pin 402 of the flat wire on each side are separated by the boss 201.

The forming die 2 is transversely placed in the square groove 302, the bottom surface of the forming die 2 is in contact with the bottom of the square groove 302, the top surface of the forming die 2 is located between the two gear shaping teeth 103, meanwhile, the two second pins 402 are respectively supported by the two steps 303, and the two first pins 401 are respectively pressed by the two gear shaping teeth 103.

The limiting part comprises a baffle 305 connected with the supporting part through a bottom plate 304, the baffle 305 and the supporting part are arranged in parallel, and the inner side surface of the baffle 305 and the notch of the groove 202 are arranged oppositely.

The middle part of the upper surface of the body 102 is provided with a connecting end 101.

The utility model discloses an implement the principle:

before folding the pins, the flat wires at the two sides are respectively positioned at the two sides of the inductor 4, a V-shaped structure is formed between the first pin 401 and the second pin 402 of each group of flat wires, after folding the pins, as shown in FIG. 2, the first pin 401 and the second pin 402 at each side are ensured to be parallel and arranged perpendicular to the circuit, the pin distance between the first pin 401 and the second pin 402 is automatically and uniformly limited by the width of the boss 201, and the row distance between the two groups of flat wires, namely the distance between the pins at each side is automatically determined by the thickness of the forming die 2;

the utility model discloses an implementation:

placing the inductor 4 in the groove 202 of the forming die 2, wherein the first pin 401 and the second pin 402 of each group are respectively separated by the boss 201; then, the forming die 2 is transversely placed in the square groove 302 of the supporting part of the bottom board clamping groove 3, the inductor 4 is arranged along the vertical direction, the other end of the inductor 4 abuts against the baffle 304 of the limiting part of the bottom board clamping groove 3, then the pressing plate 1 is covered above the forming die 2 and is pressed downwards through the connecting end 101, at the moment, as shown in fig. 1 and 7, the bottom surface of the forming die 2 is arranged on the bottom surface of the square groove 302, the top surface of the forming die 2 is arranged between the two gear shaping teeth 103, along with the downward movement of the pressing plate 1, the bottom ends of the gear shaping teeth 103 downwards press two first pins 401, two steps 303 upwards abut against two second pins 402, namely, each pin is bent into a vertical shape, and the folded.

The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.

Claims

1. An inductance pin folding device is characterized in that: comprises a forming die (2), a bottom plate clamping groove (3) matched with the lower part of the forming die (2), and a pressing plate (1) matched with the upper part of the forming die (2);

one end of the forming die (2) is provided with a groove (202) for accommodating the inductor (4), the middle parts of two side surfaces of the forming die (2) are respectively provided with a boss (201) which is higher than the side surfaces, the two bosses (201) are symmetrically arranged, and one end of each boss (201) extends to the groove (202);

the bottom plate clamping groove (3) comprises a supporting part and a limiting part, the supporting part is of a U-shaped structure, a square groove (302) matched with the forming die (2) is formed between two side walls (301) of the U-shaped structure, and steps (303) are symmetrically arranged on two sides in the square groove (302);

the pressing plate (1) comprises a body (102), two sides of the bottom surface of the body (102) are respectively matched with the top surfaces of two side walls (301) of the U-shaped structure, two gear shaping teeth (103) are arranged in the middle of the bottom surface of the body (102) at intervals, and the distance between the two gear shaping teeth (103) is larger than the thickness of the forming die (2).

2. The inductive pin folding apparatus according to claim 1, wherein: the inductor (4) is symmetrically provided with two groups of flat wires, and each group of flat wires comprises a first pin (401) and a second pin (402) which are arranged at intervals.

3. The inductive pin folding apparatus according to claim 2, wherein: the inductor (4) is placed in a groove (202) of a forming die (2), and a first pin (401) and a second pin (402) of the flat wire on each side are separated through a boss (201).

4. The inductive pin folding apparatus according to claim 3, wherein: the forming die (2) is transversely placed in the square groove (302), the bottom surface of the forming die (2) is in contact with the bottom of the square groove (302), the top surface of the forming die (2) is located between the two gear shaping teeth (103), meanwhile, the two second pins (402) are respectively supported by the two steps (303), and the two first pins (401) are respectively pressed by the two gear shaping teeth (103).

5. The inductive pin folding apparatus according to claim 1, wherein: the limiting part comprises a baffle (305) connected with the supporting part through a bottom plate (304), the baffle (305) and the supporting part are arranged in parallel, and the inner side surface of the baffle (305) is opposite to the notch of the groove (202).

6. The inductive pin folding apparatus according to claim 1, wherein: the middle part of the upper surface of the body (102) is provided with a connecting end (101).