CN118782383B - Dislocation ultra-narrow material sheet for welding inductance coil and use method - Google Patents
Dislocation ultra-narrow material sheet for welding inductance coil and use method Download PDFInfo
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- CN118782383B CN118782383B CN202410771209.1A CN202410771209A CN118782383B CN 118782383 B CN118782383 B CN 118782383B CN 202410771209 A CN202410771209 A CN 202410771209A CN 118782383 B CN118782383 B CN 118782383B
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- 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
- H01F41/04—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 for manufacturing coils
- H01F41/10—Connecting leads to windings
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- Manufacturing Cores, Coils, And Magnets (AREA)
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Abstract
The invention discloses a dislocation ultra-narrow material sheet for welding an inductance coil and a use method thereof, wherein the dislocation ultra-narrow material sheet comprises a first connecting sheet and a second connecting sheet which are arranged in parallel, a plurality of connecting ribs are connected between the first connecting sheet and the second connecting sheet, a plurality of first electrodes are arranged on the inner side of the first connecting sheet, a plurality of second electrodes are arranged on the inner side of the second connecting sheet, the first electrodes and the second electrodes are in one-to-one correspondence and are distributed in a staggered manner, the first electrodes and the second electrodes penetrate through the center line between the first connecting sheet and the second connecting sheet and are close to the opposite connecting sheet, a metal sheet with smaller width can be used as a production material, and the metal sheet with the width of 30mm is assumed to be required as a production material in principle.
Description
Technical Field
The invention belongs to the technical field of material sheet structures, and particularly relates to a dislocation ultra-narrow material sheet for welding an inductance coil and a use method thereof.
Background
In the production process of the small inductor, firstly, a wire is wound into a coil in a certain mode, and then the leading-out ends of the coil are welded on two electrodes of a material sheet, and the material sheet of the existing inductor is basically formed by stamping a metal sheet, as shown in figure 1 in a published patent document CN219520176U, an inductor material sheet production mould, and the formed material sheet can also be shown by referring to a shape in a published patent document CN117650002A, an electrode for the inductor and an electrode material sheet which are integrally formed by strongly resisting electrode falling;
The most direct cost-effective way is to form as many welding sites as possible on the same size sheet metal, but anyway to improve the stamping process, the morphology of the formed electrode is unchanged, the size of the sheet metal used is unchanged, and therefore a large amount of scrap is still generated during the production of the web.
Disclosure of Invention
The invention aims to provide a dislocation ultra-narrow material sheet for welding an inductance coil and a use method thereof, so as to solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
A dislocation ultra-narrow material sheet for welding an inductance coil comprises a first connecting sheet and a second connecting sheet which are arranged in parallel, and a plurality of connecting ribs are connected between the first connecting sheet and the second connecting sheet;
The inner side of the connecting sheet I is provided with a plurality of electrodes I, the inner side of the connecting sheet II is provided with a plurality of electrodes II, the electrodes I and the electrodes II are in one-to-one correspondence and staggered, and the electrodes I and the electrodes II penetrate through the center line between the connecting sheet I and the connecting sheet II and are close to the opposite connecting sheets.
The invention has the beneficial effects that the metal sheet with smaller width can be used as the production material, the metal sheet with the width of 30mm is assumed to be required as the production raw material in principle, the metal sheet with the width of 20mm can be used as the production material by adopting the structure of the invention, the raw material is saved by 30 percent, the waste generated in the stamping process is greatly reduced, the waste of the material in the production process is greatly reduced, and the production cost is saved.
According to a further technical scheme, one electrode I and one electrode II form a welding position, and the connecting rib is arranged between the two welding positions.
According to a further technical scheme, the connecting sheet is divided into a plurality of sections, and each section is connected with one electrode II.
According to a further technical scheme, one electrode I and one electrode II form one welding position, the welding positions are in one group, and the connecting ribs are arranged between the two groups.
According to a further technical scheme, the connecting sheet is divided into a plurality of sections, and each section is connected with a plurality of second electrodes.
The use method of the dislocation ultra-narrow material sheet for welding the inductance coil comprises the following specific steps of:
S1, feeding a material sheet into welding equipment, wherein the welding equipment is internally provided with a narrow channel and a wide channel in the same direction, a clamping jig which reciprocates between the narrow channel and the wide channel is arranged between the narrow channel and the wide channel, the material sheet firstly enters the narrow material sheet, and a second connecting sheet is connected through the clamping jig;
S2, cutting off the connecting rib and the connecting sheet II through a cutting mechanism, so that a section fixed by the clamping jig is separated from the connecting sheet I and the connecting sheet II;
and S3, the clamping jig drives the separation section to move so that the electrode II on the separation section is horizontally aligned with the electrode I on the connecting sheet I.
The invention has the beneficial effects that:
the use method of the invention is customized for the dislocation ultra-narrow material sheets, meets the special distribution requirements of the first electrode and the second electrode, and realizes industrialized daily production.
According to a further technical scheme, the second connecting sheet is cut in advance in welding equipment, the second connecting sheet is cut into a plurality of sections by taking the length unit between two connecting ribs as a standard, and each section is provided with at least one second electrode.
According to a further technical scheme, the second connecting sheet is cut off in advance in the process of producing the material sheet and is divided into a plurality of sections.
Further technical scheme, welding equipment is including the supporting seat that is used for bearing the material piece, be equipped with coaxial distribution's narrow passageway and wide passageway on the supporting seat, be close to one side of connection piece two, be equipped with on the supporting seat and be "L" spacing hole, press from both sides tight tool bottom and be connected with small-size moving platform, slide along "L" type orbit, shuttle between narrow passageway and wide passageway.
Further technical scheme, press from both sides tight tool includes the loading board, the loading board top is connected with the fixed plate through a plurality of guide posts, guide post swing joint has the clamp plate, be equipped with the spring between clamp plate and the fixed plate, it is equipped with the movable column that passes spacing hole to bear the bottom, the movable column is connected with the fly leaf, support seat terminal surface is extended to clamp plate one side level, and its outstanding part corresponds with ejection mechanism.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
FIG. 1 is a perspective view of the present invention.
FIG. 2 is a block diagram of an embodiment of the present invention.
FIG. 3 is a diagram showing a second construction of the embodiment of the present invention.
FIG. 4 is a schematic illustration of the process of the method of use of the present invention.
FIG. 5 is a schematic diagram of the structure of the clamping jig of the invention.
FIG. 6 is a block diagram of a welding apparatus according to the present invention.
FIG. 7 is a diagram showing a structure of a welding apparatus according to the present invention.
FIG. 8 is a drawing showing the separation of the narrow channel, the wide channel and the clamping jig of the present invention.
The reference numerals are 11-connection sheet I, 12-electrode I, 21-connection sheet II, 22-electrode II, 23-through hole, 3-connection rib, 41-narrow channel, 42-wide channel, 5-clamping jig, 51-bearing plate, 52-pressing plate, 53-fixed plate, 54-spring, 55-guide rod, 56-positioning rod, 57-movable column, 58-movable plate, 59-cutting position, 61-support seat, 62-limit hole, 63-small moving platform, 64-welding component, 65-cutting mechanism, 66-conveying mechanism and 67-ejection mechanism.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Please refer to fig. 1-8;
The material sheet can be made of metal sheets with smaller width than the prior art, and greatly saves the production cost, and is manufactured in a stamping mode in the production process, and particularly comprises a connecting sheet I11 and a connecting sheet II 21 which are arranged in parallel, wherein a plurality of connecting ribs 3 are connected between the connecting sheet I and the connecting sheet II, the connecting ribs 3 are used for fixing the relative positions of the connecting sheet I11 and the connecting sheet II 21, a plurality of electrodes I12 are arranged on the inner side of the connecting sheet I11, a plurality of electrodes II 22 are arranged on the inner side of the connecting sheet II 21, the electrodes I12 and the electrodes II 22 are in one-to-one correspondence and are distributed in a staggered manner, the opposite connecting sheets are close to each other, the one-to-one correspondence refers to that one electrode I12 and one electrode II 22 are in a group, and the electrodes II 22 at the moment are in a staggered manner, but are in one-to-one correspondence and are matched in use, the center line between the connecting sheet I11 and the connecting sheet II 21 is used as a boundary, the electrodes I12 extend towards the connecting sheet II 21, and the electrodes II 22 extend towards the connecting sheet I11, the lengths of the electrodes I12 and the electrodes II 22 are the same as the lengths of the connecting sheet I12 and the connecting sheet I21, and the electrodes II 22 in the embodiment are as far as possible, and the electrodes II 22 are close to the center lines of the connecting sheet I and the connecting sheet 11 respectively, and the electrodes 11 are formed as far as possible;
In other words, a metal sheet with a smaller width can be used as the production material, and assuming that a metal sheet with a width of 30mm is required as the production material in principle, a metal sheet with a width of 20mm can be used as the production material by adopting the structure of the invention, and it can be seen that the raw material is saved by 30%, and the waste generated in the stamping process is greatly reduced, so that the waste of the material in the production process is greatly reduced, and the production cost is saved.
In the subsequent process of welding the coils, the connecting rib 3 needs to be cut off, and the connecting piece two 21 needs to be cut off, so that the position of the electrode two 22 can be moved, referring to fig. 2 and 3, in the embodiment, one electrode one 12 and one electrode two 22 form one welding position, the connecting rib 3 is arranged between the two welding positions, when cutting is performed, the connecting piece two 21 is divided into a plurality of sections, each section is connected with one electrode two 22, namely, only one welding position can be formed once cutting, and only one coil can be welded;
Or a plurality of welding positions are a group, the connecting rib 3 is arranged between the two groups, when cutting is carried out, the connecting piece II 21 is divided into a plurality of sections, each section is connected with a plurality of electrode II 22, namely, a plurality of welding positions can be formed once cutting is carried out, and welding of a plurality of coils can be carried out.
The invention discloses a use method of a dislocation ultra-narrow material sheet for welding an inductance coil, which comprises the following specific steps of:
S1, feeding a tablet into welding equipment, wherein the welding equipment is provided with a narrow channel 41 and a wide channel 42 in the same direction, the width of the narrow channel 41 is matched with the width of the tablet in the initial state, the width of the wide channel 42 is matched with the width of the tablet after a coil is welded, a clamping jig 5 which reciprocates between the narrow channel 41 and the wide channel 42 is arranged between the narrow channel 41 and the wide channel 42, the tablet firstly enters the narrow tablet, and a connecting piece II 21 is connected through the clamping jig 5, in the embodiment, as the connecting piece I11 does not have a cutting process, one side of the narrow channel 41 and the wide channel 42 corresponding to the connecting piece I11 is connected together, and one side corresponding to the connecting piece II 21 is provided with a movable notch for the reciprocating movement of the clamping jig 5;
one embodiment of the clamping fixture 5 specifically includes a carrying plate 51 for supporting a part of the second connecting sheet 21, a guiding rod 55 surrounding the carrying plate 51, a pressing plate 52 slidably connected to the guiding rod 55, a fixing plate 53 disposed above the pressing plate 52, the fixing plate 53 fixedly connected to the guiding rod 55, a spring 54 disposed between the fixing plate 53 and the pressing plate 52, and a positioning rod 56 disposed at the bottom of the pressing plate 52, wherein the positioning rod 56 can be inserted into the through hole 23 of the second connecting sheet 21 and pass through the carrying plate 51;
Further, an ejector mechanism 67, specifically, a combination of an air cylinder and an ejector rod is further provided, and the pressing plate 52 transversely extends out of the bearing plate 51 to correspond to the ejector rod, the air cylinder drives the ejector rod to move upwards when in operation, so that the pressing plate 52 is pushed to compress the spring 54 to move upwards, meanwhile, the positioning rod 56 is pulled out of the bearing plate 51, the pressing plate 52 and the bearing plate 51 are in an open state, a tablet can enter the air cylinder at the moment, the air cylinder drives the ejector rod to move downwards after reaching a certain stroke, the pressing plate 52 moves downwards under the action of the spring 54 to form a clamping state with the bearing plate 51 on the second connecting sheet 21, and meanwhile, the positioning rod 56 penetrates through the through hole 23 of the second connecting sheet 21 to fix the second connecting sheet.
S2, cutting positions 59 are formed at the ends of the clamping jig 5 and the narrow channel 41, the connecting ribs 3 and the connecting pieces II 21 are cut off through a cutting mechanism 65, a section fixed by the clamping jig 5 is separated from the connecting pieces I11 and II 21, and a part fixed by the clamping jig 5 is separated from the connecting pieces I11 and II 21;
Based on the cutting step, there is another embodiment, in which two cutting assemblies are arranged in the narrow channel 41 in the welding device, and before entering the clamping jig 5, the connecting piece two 21 is cut by the first cutting assembly, at this time, the connecting piece two 21 is still connected with the connecting piece one 11 by the connecting rib 3, the connecting piece one 11 drives the connecting piece one 11 to move forward, and then the connecting rib 3 is cut by the other cutting assembly;
in another embodiment, the second connecting sheet 21 is cut off and divided into a plurality of small sections in advance when the material sheet is formed by stamping, and the small sections are connected with the first connecting sheet 11 through the connecting ribs 3, so that the continuity of the material sheet is maintained;
S3, the clamping jig 5 drives the separation section to move, a moving mechanism for driving the separation section to move is arranged at the bottom of the clamping jig 5, and specifically, the clamping jig can be two small electric push rods distributed at 90 degrees, or refer to a related structural principle of a manipulator capable of rotating at 90 degrees, disclosed in China patent document CN21463008U, and finally, the clamping jig 5 is transited from one end of a narrow channel 41 to one end of a block channel, so that an electrode two 22 on the separation section is horizontally aligned with an electrode one 12 on a connecting sheet one 11, at least one welding position is formed at the moment, and the welding position is different from a welding position formed by a material sheet in the prior art.
After the welding is finished, the first connecting sheet 11 and the cut-off part are reconnected by taking the coil as a connecting medium, after the clamping jig 5 is reopened, the whole body can be driven to move forwards, and finally the clamping jig 5 returns to one end of the narrow channel 41 again under the action of the exciting mechanism.
The use method of the invention is customized for the dislocation ultra-narrow material sheets, meets the special distribution requirements of the first electrode 12 and the second electrode 22, and realizes industrialized daily production.
The present invention is directed to further description of a welding apparatus;
The clamping jig comprises a supporting seat 61 for bearing a tablet, wherein a narrow channel 41 and a wide channel 42 which are coaxially distributed are arranged on the supporting seat 61, one side close to a second connecting sheet 21 is provided with an L-shaped limiting strip hole 62, the limiting strip hole 62 is arranged at a notch and used for limiting the moving range of the clamping jig 5, the bottom of the clamping jig 5 is connected with a small moving platform 63, the clamping jig 5 slides along an L-shaped track under the driving of the small moving platform 63 and shuttles between the narrow channel 41 and the wide channel 42, and the moving distance end of the clamping jig 5 has high precision requirement, so that the small moving platform 63 in the embodiment can use a cross miniature linear motor module with the maximum stroke of 50 mm;
The clamping jig 5 clamps the second connecting sheet 21 and then cuts the second connecting sheet, the cutting mechanism 65 used in the embodiment is the same as the prior art, the size and the shape of the cutter are changed, then the clamping jig 5 is driven by the small moving platform 63 to move along the L-shaped track, namely the track adapting to the limit strip hole 62, the clamping jig 5 moves from one end of the narrow channel 41 to one end of the wide channel 42, the second electrode 22 corresponds to the first electrode 12, then the coil is placed, the outgoing line of the coil is respectively connected and fixed with the first electrode 12 and the second electrode 22 by the welding assembly 64, the cut-off second connecting sheet 21 and the first connecting sheet 11 are connected together again by the coil, the second connecting sheet 21 is loosened after welding is finished, and then the first connecting sheet 11 and the second connecting sheet 21 are driven to move along the direction of the wide channel 42 by the conveying mechanism 66, and finally the clamping jig 5 is driven by the small moving platform 63;
The device specifically comprises a bearing plate 51, a fixed plate 53 is connected above the bearing plate 51 through a plurality of guide posts, the guide posts are movably connected with a pressing plate 52, a spring 54 is arranged between the pressing plate 52 and the fixed plate 53, a movable post 57 penetrating through a limit bar hole 62 is arranged at the bearing bottom, the movable post 57 is connected with a movable plate 58, one side of the pressing plate 52 horizontally extends out of the end face of a supporting seat 61, the protruding part of the pressing plate corresponds to an ejection mechanism 67, and as the movement stroke of the pressing plate 52 is very short, the ejection mechanism 67 used in the embodiment can be a small electric push rod, and the specific implementation mode of moving from one end of a narrow channel 41 to one end of a wide channel 42 is the same as the above, and the embodiment is described in detail herein for the resetting process;
in this embodiment, one side of the pressing plate 52 horizontally extends out of the end surface of the supporting seat 61, the lower end surface of the protruding portion thereof is a plane, the output end of the ejection mechanism 67 is provided with a flat plate, and the flat plate is parallel to the lower end surface of the pressing plate 52, so that under the moving state of the clamping jig 5, relative friction is generated between the flat plate and the pressing plate, the clamping jig 5 can still keep the carrying plate 51 and the pressing plate 52 in an open state during resetting process, so that the second connecting piece 21 can enter the carrying plate, and of course, in order to enable the lower end surface of the pressing plate 52 to be smoother, an appropriate L-shaped track or the like can be arranged.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the embodiments of the disclosure may be suitably combined to form other embodiments as will be understood by those skilled in the art.
Claims (10)
1. The utility model provides an inductance coil welds with super narrow tablet of dislocation, includes parallel arrangement's connection piece one (11) and connection piece two (21), is located and is connected with a plurality of connecting tendons (3), its characterized in that between the two:
The welding device is characterized in that a plurality of first electrodes (12) are arranged on the inner side of the first connecting sheet (11), a plurality of second electrodes (22) are arranged on the inner side of the second connecting sheet (21), the first electrodes (12) and the second electrodes (22) are in one-to-one correspondence and are distributed in a staggered mode, the first electrodes (12) and the second electrodes (22) penetrate through the center line between the first connecting sheet (11) and the second connecting sheet (21) and are close to opposite connecting sheets so as to reduce the width of raw materials and finished product tablets, and the second electrodes move away from one direction of the electrodes and are aligned with the first electrodes horizontally to form welding positions.
2. An dislocated ultra-narrow web for welding of induction coils according to claim 1, characterized in that one electrode one (12) and one electrode two (22) form one welding site, the connecting rib (3) being arranged between the two welding sites.
3. The dislocated ultra-narrow web for welding of inductor coils of claim 2, wherein said second connecting tab (21) is divided into a plurality of segments, each segment being connected to an electrode (22).
4. The dislocated ultra-narrow web for welding of induction coils according to claim 1, characterized in that one electrode one (12) and one electrode two (22) form one welding site, the several welding sites are in one group, and the connecting rib (3) is arranged between the two groups.
5. The dislocated ultra-narrow web for welding of inductor coils as claimed in claim 4, wherein said second connecting tab (21) is divided into several segments, each segment being connected to several second electrodes (22).
6. The use method of the dislocation ultra-narrow material sheet for welding the induction coil comprises the following specific steps of:
S1, feeding a tablet into welding equipment, wherein the welding equipment is internally provided with a narrow channel (41) and a wide channel (42) in the same direction, a clamping jig (5) which reciprocates between the narrow channel (41) and the wide channel (42) is arranged between the narrow channel and the wide channel, the tablet firstly enters the narrow tablet, and a second connecting sheet (21) is connected through the clamping jig (5);
S2, cutting off the connecting rib (3) and the connecting sheet II (21) through a cutting mechanism (65), so that a section fixed by the clamping jig (5) is separated from the connecting sheet I (11) and the connecting sheet II (21);
and S3, the clamping jig (5) drives the separation section to move so that the electrode II (22) on the separation section is horizontally aligned with the electrode I (12) on the connecting sheet I (11).
7. The method of using a staggered ultra-narrow web for welding an inductor according to claim 6, wherein the second connecting piece (21) is cut in advance in a welding device, and the second connecting piece (21) is cut into a plurality of sections with at least one second electrode (22) in each section by taking the length unit between two connecting ribs (3) as a standard.
8. The method of claim 6, wherein the second connecting piece (21) is cut into sections in advance during the production of the material piece.
9. The method for using the dislocation ultra-narrow material sheet for welding the inductance coil according to claim 6, wherein the welding equipment comprises a supporting seat (61) for bearing the material sheet, a narrow channel (41) and a wide channel (42) which are coaxially distributed are arranged on the supporting seat (61), one side close to the connecting sheet II (21) is provided with an L-shaped limiting strip hole (62) on the supporting seat (61), the bottom of the clamping jig (5) is connected with a small-sized movable platform (63) and slides along an L-shaped track to shuttle between the narrow channel (41) and the wide channel (42).
10. The method for using the dislocation ultra-narrow material sheet for welding the inductance coil according to claim 9, wherein the clamping jig (5) comprises a bearing plate (51), a fixed plate (53) is connected above the bearing plate (51) through a plurality of guide posts, the guide posts are movably connected with a pressing plate (52), a spring (54) is arranged between the pressing plate (52) and the fixed plate (53), a movable post (57) penetrating through a limiting strip hole (62) is arranged at the bearing bottom, the movable post (57) is connected with a movable plate (58), one side of the pressing plate (52) horizontally extends out of the end face of a supporting seat (61), and a protruding part of the protruding part corresponds to an ejection mechanism (67).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410771209.1A CN118782383B (en) | 2024-06-14 | 2024-06-14 | Dislocation ultra-narrow material sheet for welding inductance coil and use method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410771209.1A CN118782383B (en) | 2024-06-14 | 2024-06-14 | Dislocation ultra-narrow material sheet for welding inductance coil and use method |
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| CN118782383A CN118782383A (en) | 2024-10-15 |
| CN118782383B true CN118782383B (en) | 2025-01-07 |
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| CN110977123A (en) * | 2019-11-22 | 2020-04-10 | 深圳市瑞飞科技有限公司 | Welding lug machine equipment for double-body button cell |
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| CN103474859B (en) * | 2013-09-02 | 2015-11-25 | 信源电子制品(昆山)有限公司 | The manufacture method of terminal manufacture method and terminal and electronic devices and components core body |
| CN208189371U (en) * | 2018-05-17 | 2018-12-04 | 惠州市金籁电子有限公司 | inductance coil bracket |
| CN208655413U (en) * | 2018-08-08 | 2019-03-26 | 昆山均裕昌精密电子有限公司 | A kind of novel inductor coil mould group |
| CN209000751U (en) * | 2018-11-27 | 2019-06-18 | 中山市设科电子有限公司 | A kind of tablet for the moulding inductor coil that is fixed as one |
| CN116013680A (en) * | 2022-12-13 | 2023-04-25 | 深圳市佳力智科技有限公司 | Carrier tape and manufacturing method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104376955A (en) * | 2014-11-28 | 2015-02-25 | 信源电子制品(昆山)有限公司 | Multilayer coil, multilayer coil manufacturing method, inductor, transformer, wireless charger and relay |
| CN110977123A (en) * | 2019-11-22 | 2020-04-10 | 深圳市瑞飞科技有限公司 | Welding lug machine equipment for double-body button cell |
| CN115831596A (en) * | 2022-08-29 | 2023-03-21 | 惠州市南磁科技有限公司 | Integrally-formed inductor processing method and integrally-formed inductor |
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