CN218585802U

CN218585802U - Forming die

Info

Publication number: CN218585802U
Application number: CN202222889019.9U
Authority: CN
Inventors: 夏鑫龙; 王军平; 胡曹生; 袁林
Original assignee: Shenzhen Jinghong New Energy Technology Co ltd
Current assignee: Shenzhen Jinghong New Energy Technology Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-03-07
Anticipated expiration: 2032-10-31

Abstract

The utility model discloses a forming die, which is used for forming a coil on a common mode inductor product on a magnetic ring and is characterized in that the forming die comprises a fixing module and an extrusion module; the fixing module is characterized in that an accommodating cavity is formed in the center of the fixing module, a plurality of limiting grooves are formed in the periphery of the accommodating cavity, the limiting grooves are communicated with the accommodating cavity and the end face of the fixing module, the depth of the accommodating cavity is larger than that of the limiting grooves, the accommodating cavity is used for accommodating a magnetic ring, and the limiting grooves are used for accommodating coil ends; the extrusion module comprises a mounting plate and a pressing piece arranged on the mounting plate, wherein the pressing piece is used for pressing the coil ring downwards so that the coil end is changed from a horizontal state to a vertical state. The utility model discloses a set up the pressure equipment spare on the extrusion module and come downward pressure equipment magnetic ring and make the shaping of coil end, replace the artifical mode of pressing the coil, press down the coil end and level, promote the product percent of pass for coil shaping efficiency.

Description

Forming die

Technical Field

The utility model relates to an automotive electronics field, concretely relates to forming die.

Background

Common mode inductors, also called common mode chokes, are commonly used in switching power supplies of computers to filter common mode electromagnetic interference signals. Various high-frequency circuits, digital circuits and analog circuits are mixed on a main board in a computer, and when the high-frequency circuits, the digital circuits and the analog circuits work, a large amount of high-frequency electromagnetic waves are generated to interfere with each other, namely EMI. At present, automobile electronic common membrane inductance products are more and more widely applied, more and more in variety and very strict in quality requirement. Therefore, the corresponding car electronic common film inductance product forming mold equipment is required to be more and more in variety, and the operation is required to be convenient.

The traditional operation mode of preparation electron common mode inductance product is that operating personnel twines the coil on the magnetic ring by hand to press the coil end hard in the periphery of magnetic ring, and because staff's flexibility is too strong when pressing the coil by hand, the coil end can take place the distortion, hardly reaches the product design requirement, and manual pressing needs one to go the operation simultaneously, and work efficiency is extremely low.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a forming die aims at solving current manual work and presses the coil end and lead to the coil distortion, is difficult to reach product design requirement to and the manual work presses the problem that coil end work efficiency is low.

In order to achieve the above object, the present invention provides a method for manufacturing a semiconductor device, comprising: a forming die is used for forming a coil on a common-mode inductance product on a magnetic ring and comprises a fixing module and an extrusion module;

the fixing module is characterized in that an accommodating cavity is formed in the center of the fixing module, a plurality of limiting grooves are formed in the periphery of the accommodating cavity, the limiting grooves are communicated with the accommodating cavity and the end face of the fixing module, the depth of the accommodating cavity is larger than that of the limiting grooves, the accommodating cavity is used for accommodating a magnetic ring, and the limiting grooves are used for accommodating coil ends;

the extrusion module comprises a mounting plate and a pressing piece arranged on the mounting plate, wherein the pressing piece is used for pressing the coil ring downwards so that the coil end is changed from a horizontal state to a vertical state.

In conclusion, according to the forming die, the coil end is formed by downwards pressing the magnetic ring by arranging the pressing piece on the extrusion module, the mode of manually pressing the coil is replaced, the coil end is pressed smoothly, the product percent of pass is improved, and the coil forming efficiency is accelerated. The fixed module center is equipped with and holds the chamber, it is equipped with the spacing groove that a plurality of intercommunications hold chamber and fixed module terminal surface to hold the chamber, the extrusion module includes the mounting panel and locates pressure equipment spare on the mounting panel, put into the magnetic ring that the coil twined and hold the intracavity, the spacing inslot is put into to the coil end, because the degree of depth that holds the chamber is greater than the degree of depth of spacing groove, the magnetic ring suspension holds intracavity inner space in, the extrusion module moves down so that pressure equipment spare inserts and holds the chamber, and impress the magnetic ring and hold the chamber bottom, all coil ends are pressed and are pasted on the outer lane circumferential surface of magnetic ring, and can not take place the distortion at the coil end in the pressure equipment in-process, the device has replaced the mode of artifical pressure equipment through the mode of machine pressure equipment, when promoting the product percent of pass, still disposable pressure equipment many coil ends, compare in the mode of artifical pressure equipment, and improved work efficiency.

According to one aspect of the technical scheme, the fixing module is further provided with a positioning groove for connecting the upper end face and the lower end face of the fixing module, and the positioning groove is used for pressing and positioning the extrusion module.

According to the one hand of above-mentioned technical scheme, still be equipped with on the extrusion module with the setting element of constant head tank adaptation, the setting element is used for wear to establish when the extrusion module pushes down the spacing groove to guarantee the pressure equipment piece is pressed in accurately hold the chamber.

According to one aspect of the above technical scheme, the length of the positioning piece is greater than that of the press-fitting piece.

According to one aspect of the above technical scheme, the press fitting part and the positioning part are detachably connected with the mounting plate, so that the mounting plate can be connected with the press fitting part and the positioning part with different lengths.

According to one aspect of the above technical scheme, a connecting rod is further arranged on one side of the mounting plate, which is far away from the press-fitting part, and the connecting rod is used for connecting and driving components of the extrusion module.

According to one aspect of the technical scheme, mounting ears further extend from two sides of the fixing module, and the mounting ears are used for fixing the fixing module on the operating table.

According to one aspect of the above technical solution, the bottom of the accommodating cavity is arranged inside the fixed module and is not communicated with the lower end face of the fixed module.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of a fixing module;

fig. 2 is a schematic structural view of an extrusion module.

Description of main component symbols:

the fixing module 100, the accommodating cavity 110, the limiting groove 120, the positioning groove 130, the mounting lug 140, the extrusion module 200, the mounting plate 210, the press-fitting member 220, the positioning member 230 and the connecting rod 240.

Detailed Description

In order to make the objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," "up," "down," and the like are for illustrative purposes only and do not indicate or imply that the referenced device or element must be in a particular orientation, constructed and operated, and should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-2, a schematic structural diagram of a forming mold according to an embodiment of the present invention is shown, for forming a coil on a common mode inductor product on a magnetic ring, wherein the forming mold includes a fixing module 100 and an extruding module 200;

in order to fix the magnetic ring and the coil, a circular accommodating cavity 110 and a limiting groove 120 are formed in the fixing module 100, the fixing module 100 is a cylindrical metal block, the accommodating cavity 110 is formed in the center of the fixing module 100, the bottom of the accommodating cavity 110 is formed in the fixing module 100, the bottom of the accommodating cavity 110 is not communicated with the lower end face of the fixing module 100, and the magnetic ring is prevented from falling off from the fixing module 100. Hold and still be equipped with 4 spacing grooves 120 around the chamber 110, spacing groove 120 intercommunication the lateral wall that holds chamber 110 with the side of fixed module 100, the direction of seting up of spacing groove 120 is outwards extended by the centre of a circle of holding tank, has guaranteed when placing coil and magnetic ring that the coil keeps linear state, holds the degree of depth that chamber 110 was located in fixed module 100 and is greater than the degree of depth of spacing groove 120 to this guarantees that the magnetic ring is impressed when holding chamber 110, and the coil end can vertically laminate on the circumferential surface of magnetic ring outer lane, in order to reach the qualified form of product. In specific implementation, the fixing module 100 may be a square cylinder or a circular cylinder. And mounting ears 140 extend from both sides of the fixed module 100 to secure the fixed module to the console.

In this embodiment, the fixed module 100 is a square cylinder, and a positioning groove 130 is further disposed at a corner of the fixed module 100, the positioning groove 130 penetrates through upper and lower end faces of the fixed module 100, and the positioning groove 130 is used for assisting positioning when the extrusion module 200 is pressed downward, so that the pressing member 220 is accurately inserted into the accommodating cavity 110.

In order to press the magnetic ring downwards, the extrusion module 200 used with the fixed module 100 is provided, the extrusion module 200 comprises a mounting plate 210 and is arranged on a press-fitting part 220 and a positioning part 230 on the mounting plate 210, the press-fitting part 220 and the positioning part 230 are both movably connected with the mounting plate 210 and correspondingly provided with 5 mounting holes for connecting the press-fitting part 220 and the positioning part 230, the press-fitting part 220 and the positioning part 230 are both connected with the mounting plate 210 through a mounting assembly, the mounting assembly comprises a first mounting part arranged on the mounting plate 210 and a second mounting part arranged on the press-fitting part 220 and the positioning part 230, the diameter of the mounting hole arranged at the center of the mounting plate 210 is far larger than the mounting hole arranged at the edge of the mounting plate 210, and any mounting hole does not penetrate through the mounting plate 210. In particular, the mounting plate 210 may be a square plate or a circular plate adapted to the fixing module 100; the first mounting portion and the second mounting portion may be threaded or may be fixed by a snap-fit structure.

In this embodiment, the press-fitting member 220 and the positioning member 230 are connected to the mounting plate 210 by threads, and the length of the positioning member 230 is greater than that of the press-fitting member 220, so as to ensure that when the pressing module 200 is pressed down, the positioning member 230 is first inserted into the positioning slot 130 of the fixed module 100, so that the press-fitting member 220 can be accurately inserted into the accommodating cavity 110. And a connecting rod 240 is further provided on the side of the mounting plate 210 away from the press-fitting member 220, wherein the connecting rod 240 is used for connecting the extrusion module 200 and the driving member.

In conclusion, according to the forming die, the coil end is formed by downwards pressing the magnetic ring through the pressing piece arranged on the extrusion module, so that a mode of manually pressing the coil is replaced, the coil end is pressed smoothly, the product percent of pass is improved, and the coil forming efficiency is accelerated. The fixed module center is equipped with and holds the chamber, it is equipped with the spacing groove that a plurality of intercommunications hold chamber and fixed module terminal surface to hold the chamber, the extrusion module includes the mounting panel and locates pressure equipment spare on the mounting panel, put into the magnetic ring that the coil twined and hold the intracavity, the spacing inslot is put into to the coil end, because the degree of depth that holds the chamber is greater than the degree of depth of spacing groove, the magnetic ring suspension holds intracavity inner space in, the extrusion module moves down so that pressure equipment spare inserts and holds the chamber, and impress the magnetic ring and hold the chamber bottom, all coil ends are pressed and are pasted on the outer lane circumferential surface of magnetic ring, and can not take place the distortion at the coil end in the pressure equipment in-process, the device has replaced the mode of artifical pressure equipment through the mode of machine pressure equipment, when promoting the product percent of pass, still disposable pressure equipment many coil ends, compare in the mode of artifical pressure equipment, and improved work efficiency.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A forming die is used for shaping a common mode inductor, the common mode inductor comprises a magnetic ring and a coil wound on the magnetic ring, and the forming die is characterized by comprising a fixed module and an extrusion module matched with the fixed module;

the fixing module is characterized in that an accommodating cavity is formed in the center of the fixing module, a plurality of limiting grooves are formed in the periphery of the accommodating cavity, the limiting grooves are communicated with the accommodating cavity and the end face of the fixing module, the depth of the accommodating cavity is larger than that of the limiting grooves, the accommodating cavity is used for accommodating a magnetic ring wound with a coil, and the limiting grooves are used for accommodating the ends of the coil;

the extrusion module comprises an installation plate and a pressing piece arranged on the installation plate, the pressing piece is matched with the accommodating cavity, when the magnetic ring wound with the coil is arranged at the port of the accommodating cavity through the port coil in the horizontal state, the port coil is arranged in the limiting groove to pre-position the magnetic ring wound with the coil, and the pressing piece is pressed down to enable the magnetic ring to enter the accommodating cavity, so that the end head of the coil is changed from the horizontal state to the vertical state.

2. The molding die of claim 1, wherein the fixing module is further provided with a positioning groove connecting the upper and lower end surfaces of the fixing module, and the positioning groove is used for pressing and positioning the extrusion module.

3. The forming die of claim 2, wherein a positioning member is further disposed on the extrusion module and adapted to the positioning groove, and the positioning member is used for penetrating the limiting groove when the extrusion module is pressed down, so as to ensure that the press-fitting member is accurately pressed into the accommodating cavity.

4. The molding die of claim 3, wherein the length of the positioning member is greater than the length of the press part.

5. The molding die of claim 3, wherein the press parts and the positioning members are detachably connected to the mounting plate, so that the mounting plate can be connected to press parts and positioning members of different lengths.

6. The molding die of claim 5, wherein a connecting rod is further provided on a side of the mounting plate away from the press fitting, the connecting rod being used for connecting a component for driving the extrusion module.

7. The molding die of claim 2, wherein mounting ears extend from two sides of the fixed module, and the mounting ears are used for fixing the fixed module on the operating platform.

8. The molding die of claim 1, wherein the bottom of the accommodating cavity is disposed inside the fixed module and is not communicated with the lower end surface of the fixed module.