CN116959835A - Forming and manufacturing method of C-shaped amorphous magnetic core - Google Patents
Forming and manufacturing method of C-shaped amorphous magnetic core Download PDFInfo
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- CN116959835A CN116959835A CN202210413469.2A CN202210413469A CN116959835A CN 116959835 A CN116959835 A CN 116959835A CN 202210413469 A CN202210413469 A CN 202210413469A CN 116959835 A CN116959835 A CN 116959835A
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- amorphous magnetic
- magnetic core
- core body
- amorphous
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- 230000005291 magnetic effect Effects 0.000 title claims abstract description 78
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 238000004804 winding Methods 0.000 claims abstract description 14
- 238000005520 cutting process Methods 0.000 claims abstract description 11
- 238000001035 drying Methods 0.000 claims abstract description 7
- 238000002791 soaking Methods 0.000 claims abstract description 7
- 239000011347 resin Substances 0.000 claims abstract description 6
- 229920005989 resin Polymers 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 11
- 230000004323 axial length Effects 0.000 claims description 6
- 239000011265 semifinished product Substances 0.000 claims description 5
- 238000007711 solidification Methods 0.000 claims description 4
- 230000008023 solidification Effects 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- 229910000808 amorphous metal alloy Inorganic materials 0.000 description 3
- 230000005294 ferromagnetic effect Effects 0.000 description 3
- 230000005307 ferromagnetism Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/04—Cores, Yokes, or armatures made from strips or ribbons
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
The invention provides a forming and manufacturing method of a C-shaped amorphous magnetic core, and relates to the technical field of amorphous magnetic core production. The forming and manufacturing method of the C-shaped amorphous magnetic core comprises the following steps: s1, winding into a ring shape by using a cylindrical mandrel 2; s2, supporting the amorphous magnetic core body 1 in a rectangular shape with arc corners at two ends; s3, soaking the semi-finished amorphous magnetic core body 1 in insulating resin, taking out after soaking, drying and solidifying; s4, cutting the core from the middle to half to obtain a pair of C-shaped amorphous magnetic cores. The amorphous magnetic core body is cut out after the insulating resin is soaked and solidified, so that a pair of C-shaped amorphous magnetic cores are obtained.
Description
Technical Field
The invention relates to the technical field of amorphous magnetic core production, in particular to a forming and manufacturing method of a C-shaped amorphous magnetic core.
Background
The amorphous magnetic core is a ferromagnetic iron core made of amorphous alloy with ferromagnetism, and the ferromagnetic performance is an important aspect of the amorphous alloy with ferromagnetism, namely ferromagnetic metal glass or magnetic glass, and the amorphous alloy with ferromagnetism has high saturation magnetization, low coercive force, high magnetic permeability and large magnetostriction coefficient.
At present, the amorphous magnetic core has been widely used due to excellent physical properties, but the single C-shaped amorphous magnetic core under the traditional technical means has complex processing and higher processing difficulty, thereby leading to the increase of manufacturing cost.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a forming and manufacturing method of a C-shaped amorphous magnetic core, which solves the problems of complex processing and high manufacturing cost of a single C-shaped amorphous magnetic core in the traditional technical means.
In order to achieve the above purpose, the invention is realized by the following technical scheme: a molding manufacturing method of a C-shaped amorphous magnetic core comprises the following steps:
s1, fixing one end of an amorphous strip on the surface of a cylindrical core mold, winding the amorphous strip into a ring shape by using the rotating cylindrical core mold, and demolding to obtain an initial amorphous magnetic core body;
s2, placing a first core die and a third core die at two ends of an inner ring of the amorphous magnetic core body, inserting a second core die between the first core die and the third core die, and propping the amorphous magnetic core body into a rectangular shape with arc corners at two ends, so as to obtain a semi-finished amorphous magnetic core body;
s3, soaking the semi-finished amorphous magnetic core body, a first core die, a second core die and a third core die in an inner ring of the semi-finished amorphous magnetic core body in insulating resin, taking out, drying and solidifying after the soaking is finished, and demolding to obtain the finished amorphous magnetic core body;
s4, cutting the finished amorphous magnetic core body in half from the middle, and obtaining a pair of C-shaped amorphous magnetic cores.
Preferably, before winding the amorphous ribbon in S1, an amorphous ribbon with a desired width needs to be selected and a cylindrical mandrel with a suitable axial length needs to be selected, where the ribbon width of the amorphous ribbon is set to L1, the axial length of the cylindrical mandrel is set to D, and the relationship between L1 and D needs to be satisfied:
L1≤D；
the cylindrical core mold can fully prop the amorphous ribbon, so that the original amorphous core body is ensured to be in a regular circular ring shape.
Preferably, the cylindrical mandrel can be fixed on the shaft of the winding machine after the cylindrical mandrel is selected, and the axial center line of the cylindrical mandrel and the axial center line of the shaft of the winding machine are in the same straight line.
Preferably, the demolding mode in S1 is as follows: an amorphous ribbon wound in a ring shape on the outside is fixed first, and then the cylindrical core mold is knocked out.
Preferably, in S2, the heights of the first core die, the second core die and the third core die are all H, the width of the amorphous magnetic core body in the initial shape in S2 is L2, and the H and L2 need to satisfy the relation:
H≥L2；
the longitudinal widths of the first core mold, the second core mold and the third core mold are sequentially set to be X1, X2 and X3, and the relation between X1, X2 and X3 needs to be satisfied:
X1＝X2＝X3；
the two types enable the two sides of the inner ring of the amorphous magnetic core body to be completely propped, and ensure that the two sides of the inner wall of the amorphous magnetic core body in a semi-finished product shape obtained by subsequent production are kept flat.
Preferably, the demolding mode in S3 is as follows: firstly, fixing an amorphous magnetic core body in a semi-finished product shape after external drying and solidification, knocking out a second core mold, and then sequentially taking out the first core mold and a third core mold.
Preferably, the cutting method in S4 includes, but is not limited to, wire cutting technology.
The invention provides a forming and manufacturing method of a C-shaped amorphous magnetic core. The beneficial effects are as follows:
according to the invention, the amorphous strip annular rings are propped into a rectangular shape with arc corners at two ends through the propping of the first core die, the second core die and the third core die, and the amorphous magnetic core body can be cut off after being soaked in insulating resin for solidification, so that a pair of C-shaped amorphous magnetic cores are obtained.
Drawings
FIG. 1 is a schematic diagram of the method steps of the present invention;
FIG. 2 is a schematic diagram showing the completion of winding the amorphous ribbon in step S1 of the present invention;
FIG. 3 is a schematic diagram showing the demolding state in step S1 of the present invention;
FIG. 4 is a schematic diagram of an amorphous magnetic core body in a semi-finished state obtained in step S2 of the present invention;
FIG. 5 is a schematic diagram showing the demolding state in step S3 of the present invention;
fig. 6 is a schematic diagram of a pair of C-shaped amorphous cores obtained by cutting the amorphous core body in step S4 of the present invention.
1, an amorphous magnetic core body; 2. a cylindrical mandrel; 3. a first mandrel; 4. a second core die; 5. and a third core die.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples:
as shown in fig. 1-6, an embodiment of the present invention provides a method for forming and manufacturing a C-shaped amorphous magnetic core, including the following steps:
s1, fixing one end of an amorphous strip on the surface of a cylindrical core mold 2, winding the amorphous strip into a ring shape by using the rotating cylindrical core mold 2, and demolding to obtain an initial amorphous magnetic core body 1;
s2, placing a first core mold 3 and a third core mold 5 at two ends of an inner ring of the amorphous magnetic core body 1, inserting a second core mold 4 between the first core mold 3 and the third core mold 5, and propping the amorphous magnetic core body 1 into a rectangular shape with arc corners at two ends, so as to obtain a semi-finished amorphous magnetic core body 1;
s3, soaking the semi-finished amorphous magnetic core body 1, a first core mold 3, a second core mold 4 and a third core mold 5 in the inner ring of the semi-finished amorphous magnetic core body, taking out, drying and solidifying after the soaking is finished, and demolding to obtain the finished amorphous magnetic core body 1;
s4, cutting the finished amorphous magnetic core body 1 in half from the middle, and obtaining a pair of C-shaped amorphous magnetic cores.
Before winding the amorphous ribbon in the step S1, the amorphous ribbon with the required width and a cylindrical mandrel 2 with the proper axial length are required to be selected, wherein the ribbon width of the amorphous ribbon is set as L1, the axial length of the cylindrical mandrel 2 is set as D, and the relation between L1 and D is required to be satisfied:
L1≤D；
this allows the cylindrical core mold 2 to fully support the amorphous ribbon, thereby ensuring that the amorphous core body 1 of the initial shape assumes a regular circular ring shape.
The cylindrical mandrel 2 can be fixed on the shaft of the winding machine after the selection is finished, and the axial center line of the cylindrical mandrel 2 and the axial center line of the shaft of the winding machine are in the same straight line.
The demoulding mode in S1 is as follows: the amorphous ribbon wound in a loop shape on the outside is fixed first, and then the cylindrical core mold 2 is knocked out.
In S2, the heights of the first core mold 3, the second core mold 4 and the third core mold 5 are all H, the width of the amorphous core body 1 of the initial shape in S2 is L2, and the relationship between H and L2 needs to be satisfied:
H≥L2；
in this embodiment, L2 is L1.
The longitudinal widths of the first core mold 3, the second core mold 4, and the third core mold 5 are set to X1, X2, X3 in this order, and the relation between X1, X2, and X3 is satisfied:
X1＝X2＝X3；
the two types enable the two sides of the inner ring of the amorphous magnetic core body 1 to be completely propped, and ensure that the two sides of the inner wall of the amorphous magnetic core body 1 in the semi-finished product shape obtained by subsequent production are kept flat.
The demoulding mode in S3 is as follows: firstly, the amorphous magnetic core body 1 in a semi-finished product shape after external drying and solidification is fixed, then the second core mold 4 is knocked out, and then the first core mold 3 and the third core mold 5 are sequentially taken out.
The cutting mode in S4 includes, but is not limited to, wire cutting technology.
In this embodiment, the amorphous magnetic core body 1 is cured after being soaked in the insulating resin, and then is cut therefrom to obtain a pair of C-shaped amorphous magnetic cores.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A molding manufacturing method of a C-shaped amorphous magnetic core is characterized in that: the method comprises the following steps:
s1, fixing one end of an amorphous strip on the surface of a cylindrical core mold (2), winding the amorphous strip into a ring shape by using the rotating cylindrical core mold (2), and demoulding to obtain an initial amorphous magnetic core body (1);
s2, placing a first core die (3) and a third core die (5) at two ends of an inner ring of the amorphous magnetic core body (1), and inserting a second core die (4) between the first core die (3) and the third core die (5), so that the amorphous magnetic core body (1) is propped into a rectangular shape with arc corners at two ends, and a semi-finished amorphous magnetic core body (1) is obtained;
s3, soaking the semi-finished amorphous magnetic core body (1) together with the first core mold (3), the second core mold (4) and the third core mold (5) in the inner ring of the semi-finished amorphous magnetic core body in insulating resin, taking out the semi-finished amorphous magnetic core body after the semi-finished amorphous magnetic core body is soaked, drying and solidifying the semi-finished amorphous magnetic core body, and demolding the semi-finished amorphous magnetic core body to obtain the finished amorphous magnetic core body (1);
s4, cutting the finished amorphous magnetic core body (1) in half from the middle to obtain a pair of C-shaped amorphous magnetic cores.
2. The method for forming and manufacturing the C-shaped amorphous magnetic core according to claim 1, wherein: before winding an amorphous ribbon in the step S1, the amorphous ribbon with a required width and a cylindrical core mold (2) with a proper axial length are required to be selected, wherein the ribbon width of the amorphous ribbon is set to be L1, the axial length of the cylindrical core mold (2) is set to be D, and the relation between L1 and D is required to be satisfied:
L1≤D；
the cylindrical mandrel (2) can fully prop the amorphous strip, so that the original amorphous magnetic core body (1) is ensured to be in a regular circular ring shape.
3. The method for forming and manufacturing the C-shaped amorphous magnetic core according to claim 2, wherein: the cylindrical mandrel (2) can be fixed on the shaft of the winding machine after the selection is finished, and the axial center line of the cylindrical mandrel (2) and the axial center line of the shaft of the winding machine are in the same straight line.
4. The method for forming and manufacturing the C-shaped amorphous magnetic core according to claim 2, wherein: the demoulding mode in the step S1 is as follows: an amorphous ribbon wound in a ring shape on the outside is fixed first, and then the cylindrical core mold (2) is knocked out.
5. The method for forming and manufacturing the C-shaped amorphous magnetic core according to claim 1, wherein: the heights of the first core mold (3), the second core mold (4) and the third core mold (5) in the S2 are all set to be H, the width of the amorphous magnetic core body (1) in the initial shape in the S2 is set to be L2, and the H and the L2 need to satisfy the relation:
H≥L2；
the longitudinal widths of the first core mold (3), the second core mold (4) and the third core mold (5) are sequentially X1, X2 and X3, and the relation between X1, X2 and X3 needs to be satisfied:
X1＝X2＝X3；
the two types enable the two sides of the inner ring of the amorphous magnetic core body (1) to be completely propped, and ensure that the two sides of the inner wall of the semi-finished amorphous magnetic core body (1) obtained by subsequent production are kept flat.
6. The method for forming and manufacturing the C-shaped amorphous magnetic core according to claim 1, wherein: the demoulding mode in the step S3 is as follows: firstly, fixing an amorphous magnetic core body (1) in a semi-finished product shape after external drying and solidification, knocking out a second core mold (4), and then sequentially taking out a first core mold (3) and a third core mold (5).
7. The method for forming and manufacturing the C-shaped amorphous magnetic core according to claim 1, wherein: the cutting method in S4 includes, but is not limited to, wire cutting technology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210413469.2A CN116959835A (en) | 2022-04-14 | 2022-04-14 | Forming and manufacturing method of C-shaped amorphous magnetic core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210413469.2A CN116959835A (en) | 2022-04-14 | 2022-04-14 | Forming and manufacturing method of C-shaped amorphous magnetic core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116959835A true CN116959835A (en) | 2023-10-27 |
Family
ID=88455230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210413469.2A Pending CN116959835A (en) | 2022-04-14 | 2022-04-14 | Forming and manufacturing method of C-shaped amorphous magnetic core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116959835A (en) |
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2022
- 2022-04-14 CN CN202210413469.2A patent/CN116959835A/en active Pending
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