CN114749391B - Soft magnetic metal processing and manufacturing method - Google Patents
Soft magnetic metal processing and manufacturing method Download PDFInfo
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- CN114749391B CN114749391B CN202210387227.0A CN202210387227A CN114749391B CN 114749391 B CN114749391 B CN 114749391B CN 202210387227 A CN202210387227 A CN 202210387227A CN 114749391 B CN114749391 B CN 114749391B
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- 230000005291 magnetic effect Effects 0.000 title claims abstract description 207
- 239000002184 metal Substances 0.000 title claims abstract description 178
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000003672 processing method Methods 0.000 title claims abstract description 9
- 238000001514 detection method Methods 0.000 claims abstract description 74
- 239000002994 raw material Substances 0.000 claims abstract description 60
- 238000000034 method Methods 0.000 claims abstract description 45
- 238000012545 processing Methods 0.000 claims abstract description 11
- 230000000694 effects Effects 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 11
- 238000003384 imaging method Methods 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 7
- 238000004458 analytical method Methods 0.000 claims description 6
- 238000004806 packaging method and process Methods 0.000 claims description 6
- 230000005477 standard model Effects 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 claims description 4
- 238000005303 weighing Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 abstract description 2
- 239000006247 magnetic powder Substances 0.000 description 5
- 238000012937 correction Methods 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
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- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The invention discloses a soft magnetic metal processing and manufacturing method, which relates to the technical field of soft magnetic metal processing, and aims to ensure that the raw materials for processing a metal magnetic ring are qualified by detecting the drying effect of the raw materials, and then perform first detection after processing the metal magnetic ring, so as to ensure that the size of the metal magnetic ring in the processing process can meet the requirements of users.
Description
Technical Field
The invention relates to the technical field of soft magnetic metal processing, in particular to a soft magnetic metal processing and manufacturing method.
Background
Along with the continuous progress of electronic power and information industry technologies, requirements on electronic and communication equipment and components thereof are continuously developed towards miniaturization, high frequency and high current directions; the magnetic powder core is a composite soft magnetic material formed by mixing and pressing ferromagnetic powder and an insulating adhesive; because the granularity of the magnetic powder is small, the skin effect is not easy to form, and the surface of the magnetic powder is coated with a layer of insulating dielectric film, the resistivity of the magnetic powder core is high, the eddy current loss is low, and the magnetic powder is suitable for being applied to the working conditions of medium and high frequency (20 KHz-1 MHz), and has been widely applied to the fields of green illumination, inductance and coil of electronic products, communication components, high-frequency micro-magnetic devices and the like.
How to effectively monitor the metal magnetic ring in the processing process, thereby ensuring that the processed metal magnetic ring can meet the requirements, which is a problem to be solved by us, and a soft magnetic metal processing and manufacturing method is provided.
Disclosure of Invention
The invention aims to provide a soft magnetic metal processing and manufacturing method.
The aim of the invention can be achieved by the following technical scheme: a soft magnetic metal processing and manufacturing method comprises the following steps:
step one: baking the raw materials, and pressing the baked raw materials into a metal magnetic ring according to requirements;
step two: processing the obtained metal magnetic ring, and then sorting the metal magnetic ring;
step three: and respectively detecting the separated metal magnetic rings, and packaging the metal magnetic rings which are qualified in detection.
Further, in the process of baking the raw material, the baking effect of the raw material needs to be detected, and the detection process comprises:
establishing a baking platform and setting a baking area on the baking platform; dividing a baking area into a plurality of sub-areas, and placing raw materials in the baking area;
setting a baking temperature W1 and a baking time t1 of a baking area, and respectively obtaining raw material samples in each sub-area after baking is finished; weighing each raw material sample to obtain the weight of the raw material sample, and marking the weight of each raw material sample as an initial weight; re-baking each raw material sample, and then obtaining the re-baked weight of each raw material sample;
and obtaining the baking quality coefficient of the raw materials according to the initial weight of each raw material sample and the weight after re-baking, and judging whether the baking of the raw materials is qualified or not according to the obtained baking quality coefficient.
Further, the re-baking time is t2, the temperature is W2, the re-baking time t2 is less than t1, and the re-baking temperature W2 is less than W1.
Further, the process of pressing the raw materials into the metal magnetic ring comprises the following steps:
setting a demand input port, inputting a customization demand according to a user demand, and generating a production task according to the input customization demand; putting the baked raw materials into the furnace, and performing first inspection on the first metal magnetic ring; and when the first metal magnetic ring is qualified after the first metal magnetic ring is first detected, continuing to produce the metal magnetic ring according to the production task.
Further, the first inspection process of the produced first piece of metal magnetic ring comprises the following steps:
a sealing unit and an auxiliary unit matched with the sealing unit are arranged;
arranging a detection plate in the sealing unit, arranging a detection area on the detection plate, placing a first produced metal magnetic ring on the detection plate, and conveying the metal magnetic ring into the detection area on the detection plate through the auxiliary unit;
after the metal magnetic ring reaches the detection area on the detection plate, generating a size detection signal, and detecting the metal magnetic ring;
identifying the position of the metal magnetic ring, and carrying out light shadow imaging on the metal magnetic ring according to the identified position of the metal magnetic ring to obtain a metal magnetic ring detection model; and setting a metal magnetic ring standard model, setting a main weight and a surface weight, and comparing the metal magnetic ring standard model with a metal magnetic ring detection model to obtain a dimension comparison degree so as to judge whether the dimension detection of the metal magnetic ring is qualified.
Further, the process of sorting the metal magnetic rings comprises the following steps:
placing a metal magnetic ring in a detection area on a detection plate:
the parallel light unit is arranged and used for emitting parallel light rays, and the parallel light rays comprise emission light rays and projection light rays;
and (3) establishing a position light library, and identifying the position of the metal magnetic ring in a detection area on the detection plate, so as to control the parallel light unit to move, emit parallel light, and receive and position the emitted parallel light to obtain a metal magnetic ring scanning model, thereby judging whether the metal magnetic ring meets the requirements.
Further, the process for obtaining the metal magnetic ring scanning model comprises the following steps: when emission light rays are emitted, acquiring a real-time image of the surface of the metal magnetic ring, obtaining a light ray image of the surface of the metal magnetic ring, and extracting characteristics of the light ray image to obtain a light ray passage and a corresponding reflection contact point;
when projection light is emitted, the projection of the metal magnetic ring is identified, and a projection diagram is obtained according to the projection of the metal magnetic ring; integrating the light data with the projection graph to obtain projection analysis data;
and obtaining a metal magnetic ring scanning model according to the obtained projection analysis data.
Further, the establishing process of the position light ray library comprises the following steps:
different positions of the metal magnetic ring in the detection area are acquired, the detection area is divided into a plurality of positioning areas according to the irradiation imaging of the parallel light unit, the positioning areas are associated with the corresponding working modes of the parallel light unit, and a position light library is established.
Further, the detection process of the sorted metal magnetic ring comprises the following steps: putting the metal magnetic ring into magnetic detection equipment, and outputting a magnetic force value of the metal magnetic ring;
establishing a magnetic force grade reference table; and obtaining the magnetic force grade of the metal magnetic ring according to the magnetic force value of the metal magnetic ring obtained by the magnetic detection equipment, and classifying and packaging the metal magnetic ring according to the magnetic force grade of the metal magnetic ring.
Compared with the prior art, the invention has the beneficial effects that: the drying effect of the raw materials is detected, so that the raw materials are qualified when the metal magnetic ring is processed, the first inspection is performed after the metal magnetic ring is processed, the size of the metal magnetic ring in the processing process is guaranteed to meet the user requirement, the polishing condition of the metal magnetic ring is detected after polishing of the metal magnetic ring is finished, the metal magnetic ring is sorted according to whether the polished product meets the requirement or not, the magnetism of the metal magnetic ring is detected, the magnetic force grade of the metal magnetic ring is obtained, and the obtained metal magnetic ring can meet the user requirement through monitoring of each link.
Drawings
Fig. 1 is a schematic diagram of the present invention.
Detailed Description
As shown in fig. 1, a soft magnetic metal processing and manufacturing method includes the following steps:
step one: baking the raw materials, and pressing the baked raw materials into a metal magnetic ring according to requirements;
step two: processing the obtained metal magnetic ring, and then sorting the metal magnetic ring;
step three: and respectively detecting the separated metal magnetic rings, and packaging the metal magnetic rings which are qualified in detection.
It should be further noted that, in the specific implementation process, in the process of baking the raw materials, the baking effect of the raw materials needs to be detected, and the specific process includes:
establishing a baking platform and setting a baking area on the baking platform;
dividing a baking area into a plurality of sub-areas, and placing raw materials in the baking area;
setting a baking temperature W1 and a baking time t1 of a baking area, and respectively obtaining raw material samples in each sub-area after baking is finished;
each raw material sample is labeled i, where i=1, 2, … …, n, n is an integer;
weighing each raw material sample to obtain the weight of the raw material sample, marking the weight of each raw material sample as the initial weight, and marking the weight of each raw material sample as CZ i ；
Re-baking each raw material sample, and marking the re-baked weight of each raw material sample as ZD i The method comprises the steps of carrying out a first treatment on the surface of the It should be further noted that, in the specific implementation process, the time period of re-baking is t2, the temperature is W2, the time period of re-baking t2 is less than t1, and the temperature of re-baking W2 is less than W1;
obtaining a baking quality coefficient ZX of the raw material based on the initial weight and the re-baked weight of each raw material sample, whereinIt should be further noted that, in the implementation process, a is a weight threshold, and a > 0;
setting a quality coefficient threshold value, and marking the quality coefficient threshold value as Z0;
if ZX is less than Z0, the raw materials are baked to be qualified, and if ZX is more than or equal to Z0, the raw materials are baked to be unqualified.
It should be further noted that, in the specific implementation process, when the baking of the raw material is unqualified, the raw material in the baking area is baked again, the baking time is t2, the temperature is W2, and after the baking is completed, sampling is performed again, and so on until the raw material is baked to be qualified.
After the baking of the raw materials is completed, the raw materials are pressed into metal magnetic rings according to requirements, and the specific process comprises the following steps:
setting a demand input port, and inputting a customization demand according to a user demand; it should be further noted that in the specific implementation, the customization requirements include shape, size, number, and magnetic grade;
generating a production task according to the input customization demand, and producing a metal magnetic ring according to the generated production task;
putting the baked raw materials into the furnace, and performing first inspection on the first metal magnetic ring;
and when the first metal magnetic ring is qualified after the first metal magnetic ring is first detected, continuing to produce the metal magnetic ring according to the production task.
It should be further noted that, in the implementation process, the first process of inspecting the produced first metal magnetic ring includes:
a sealing unit and an auxiliary unit matched with the sealing unit are arranged;
arranging a detection plate in the sealing unit, arranging a detection area on the detection plate, placing a first produced metal magnetic ring on the detection plate, and conveying the metal magnetic ring into the detection area on the detection plate through the auxiliary unit;
after the metal magnetic ring reaches the detection area on the detection plate, generating a size detection signal;
detecting the metal magnetic ring according to the generated size detection signal;
it should be further noted that, in the specific implementation process, the sealing unit is isolated from external light, that is, when the metal magnetic ring is detected, no external light exists in the sealing unit;
identifying the position of the metal magnetic ring, and carrying out light shadow imaging on the metal magnetic ring according to the identified position of the metal magnetic ring to obtain a metal magnetic ring detection model;
setting a metal magnetic ring standard model, setting a main weight and a surface weight, and comparing the metal magnetic ring standard model with a metal magnetic ring detection model to obtain a dimension comparison degree;
setting a qualified size threshold; and comparing the size comparison degree with a qualified size threshold value to obtain a size detection result, wherein when the size comparison degree is larger than the qualified size threshold value, the size detection of the metal magnetic ring is qualified, and otherwise, the size detection of the metal magnetic ring is unqualified.
It should be further noted that, in the specific implementation process, when the size detection of the metal magnetic ring is qualified, it indicates that the first metal magnetic ring passes the first detection, then the metal magnetic ring is continuously produced according to the production task, when the size detection of the metal magnetic ring is unqualified, the obtained size contrast is sent to the technician, the technician adjusts the equipment for pressing the raw material into the metal magnetic ring, the metal magnetic ring is pressed again in the adjustment process, then the first metal magnetic ring produced is subjected to the first detection, and so on until the first metal magnetic ring produced passes the first detection, then the metal magnetic ring is continuously produced according to the production task.
It should be further noted that, in the specific implementation process, after the raw materials are pressed into the metal magnetic ring, the obtained metal magnetic ring is processed, that is, the inner and outer corners of the metal magnetic ring are polished by a chamfering machine, and the polished metal magnetic ring is sorted;
the process for sorting the metal magnetic rings comprises the following steps:
the metal magnetic ring is placed in a detection area on the detection plate, and the polished metal magnetic ring is subjected to light shadow imaging identification, and the specific process comprises the following steps:
a parallel light unit is arranged and used for emitting parallel light rays; it should be further noted that, in the implementation process, the emission light rays with different colors and normal parallel light rays can be performed as required, where the emission light rays are light rays with different colors or numbers in a row, and the normal parallel light rays refer to projection light rays for projection collection;
a position light library is established, the position of the metal magnetic ring in a detection area on the detection plate is identified, so that the parallel light unit is controlled to move, parallel light is emitted, the emitted parallel light is received and positioned, and a metal magnetic ring scanning model is obtained; it should be further noted that, in the implementation process, the metal magnetic ring scanning model can be obtained by emitting emission light and projection light;
when emission light rays are emitted, acquiring a real-time image of the surface of the metal magnetic ring, obtaining a light ray image of the surface of the metal magnetic ring, and extracting characteristics of the light ray image to obtain a light ray passage and a corresponding reflection contact point; it should be further noted that, in the implementation process, the reflective contact point refers to a point that contacts the metal magnetic ring; integrating the light path and the reflective contact point into light data;
when projection light is emitted, the projection of the metal magnetic ring is identified, and a projection diagram is obtained according to the projection of the metal magnetic ring; integrating the light data with the projection graph to obtain projection analysis data;
and obtaining a metal magnetic ring scanning model according to the obtained projection analysis data.
Correcting the projection graph according to the obtained light data, wherein the correction content comprises size correction and position correction, and determining the defects and roughness of the surface through reflection and scattering of the surface light, so as to judge whether the polished metal magnetic ring meets the requirement, if not, marking the metal magnetic ring as 0, and if so, marking the metal magnetic ring as 1.
It should be further noted that, in the implementation process, the process of establishing the location light library includes:
different positions of the metal magnetic ring in the detection area are acquired, the detection area is divided into a plurality of positioning areas according to the irradiation imaging of the parallel light unit, the positioning areas are associated with the corresponding working modes of the parallel light unit, and a position light library is established.
After the sorting of the metal magnetic rings is completed, the metal magnetic rings marked as '1' are detected: putting the metal magnetic ring into magnetic detection equipment, and outputting a magnetic force value of the metal magnetic ring;
establishing a magnetic force grade reference table; it should be further noted that, in the implementation process, a plurality of magnetic force levels are set in the magnetic force level reference table, and each magnetic force level is set with a corresponding magnetic force value range;
and obtaining the magnetic force grade of the metal magnetic ring according to the magnetic force value of the metal magnetic ring obtained by the magnetic detection equipment, and classifying and packaging the metal magnetic ring according to the magnetic force grade of the metal magnetic ring.
The above embodiments are only for illustrating the technical method of the present invention and not for limiting the same, and it should be understood by those skilled in the art that the technical method of the present invention may be modified or substituted without departing from the spirit and scope of the technical method of the present invention.
Claims (6)
1. A soft magnetic metal processing and manufacturing method is characterized by comprising the following steps:
step one: baking the raw materials, and pressing the baked raw materials into a metal magnetic ring according to requirements;
step two: processing the obtained metal magnetic ring, and then sorting the metal magnetic ring;
step three: detecting the separated metal magnetic rings respectively to obtain magnetic force values and corresponding magnetic force grades of the metal magnetic rings, and packaging the metal magnetic rings which are qualified in detection;
the process for sorting the metal magnetic rings comprises the following steps:
placing a metal magnetic ring in a detection area on a detection plate:
the parallel light unit is arranged and used for emitting parallel light rays, and the parallel light rays comprise emission light rays and projection light rays;
a position light library is established, the position of the metal magnetic ring in a detection area on the detection plate is identified, so that the parallel light unit is controlled to move, parallel light is emitted, the emitted parallel light is received and positioned, a metal magnetic ring scanning model is obtained, and whether the metal magnetic ring meets the requirement is judged;
the acquisition process of the metal magnetic ring scanning model comprises the following steps: when emitting emission light, acquiring a real-time image of the surface of the metal magnetic ring to obtain a light image of the surface of the metal magnetic ring, extracting characteristics of the light image to obtain a light path and a corresponding reflection contact point, and integrating the light path and the reflection contact point into light data;
when projection light is emitted, the projection of the metal magnetic ring is identified, and a projection diagram is obtained according to the projection of the metal magnetic ring; integrating the light data with the projection graph to obtain projection analysis data;
obtaining a metal magnetic ring scanning model according to the obtained projection analysis data;
the establishment process of the position light library comprises the following steps:
different positions of the metal magnetic ring in the detection area are acquired, the detection area is divided into a plurality of positioning areas according to the irradiation imaging of the parallel light unit, the positioning areas are associated with the corresponding working modes of the parallel light unit, and a position light library is established.
2. The method of manufacturing a soft magnetic metal processing apparatus according to claim 1, wherein the baking effect of the raw material is detected during the baking process of the raw material, the detecting process comprising:
establishing a baking platform and setting a baking area on the baking platform; dividing a baking area into a plurality of sub-areas, and placing raw materials in the baking area;
setting a baking temperature W1 and a baking time t1 of a baking area, and respectively obtaining raw material samples in each sub-area after baking is finished; weighing each raw material sample to obtain the weight of the raw material sample, and marking the weight of each raw material sample as an initial weight; re-baking each raw material sample, and then obtaining the re-baked weight of each raw material sample;
and obtaining the baking quality coefficient of the raw materials according to the initial weight of each raw material sample and the weight after re-baking, and judging whether the baking of the raw materials is qualified or not according to the obtained baking quality coefficient.
3. A soft magnetic metal fabrication method according to claim 2, wherein the re-bake time period is t2, the temperature is W2, and the re-bake time period is t2 < t1, and the re-bake temperature is W2 < W1.
4. A soft magnetic metal tooling method according to claim 3 wherein the step of pressing the feedstock into the metal magnetic ring comprises:
setting a demand input port, inputting a customization demand according to a user demand, and generating a production task according to the input customization demand; putting the baked raw materials into the furnace, and performing first inspection on the first metal magnetic ring; and when the first metal magnetic ring is qualified after the first metal magnetic ring is first detected, continuing to produce the metal magnetic ring according to the production task.
5. A method of manufacturing a soft magnetic metal tooling according to claim 4 wherein the step of first inspecting the first metal magnetic ring produced comprises:
a sealing unit and an auxiliary unit matched with the sealing unit are arranged;
arranging a detection plate in the sealing unit, arranging a detection area on the detection plate, placing a first produced metal magnetic ring on the detection plate, and conveying the metal magnetic ring into the detection area on the detection plate through the auxiliary unit;
after the metal magnetic ring reaches the detection area on the detection plate, generating a size detection signal, and detecting the metal magnetic ring;
identifying the position of the metal magnetic ring, and carrying out light shadow imaging on the metal magnetic ring according to the identified position of the metal magnetic ring to obtain a metal magnetic ring detection model; and setting a metal magnetic ring standard model, setting a main weight and a surface weight, and comparing the metal magnetic ring standard model with a metal magnetic ring detection model to obtain a dimension comparison degree so as to judge whether the dimension detection of the metal magnetic ring is qualified.
6. A soft magnetic metal fabrication method according to claim 1, wherein the detecting process of the sorted metal magnetic ring comprises: putting the metal magnetic ring into magnetic detection equipment, and outputting a magnetic force value of the metal magnetic ring;
establishing a magnetic force grade reference table; and obtaining the magnetic force grade of the metal magnetic ring according to the magnetic force value of the metal magnetic ring obtained by the magnetic detection equipment, and classifying and packaging the metal magnetic ring according to the magnetic force grade of the metal magnetic ring.
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| CN202210387227.0A CN114749391B (en) | 2022-04-13 | 2022-04-13 | Soft magnetic metal processing and manufacturing method |
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| CN202210387227.0A CN114749391B (en) | 2022-04-13 | 2022-04-13 | Soft magnetic metal processing and manufacturing method |
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| CN114749391B true CN114749391B (en) | 2024-01-09 |
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| CN114749391A (en) | 2022-07-15 |
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