CN110880411A - Small-inner-diameter planar coil winding device - Google Patents
Small-inner-diameter planar coil winding device Download PDFInfo
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- CN110880411A CN110880411A CN201911171924.7A CN201911171924A CN110880411A CN 110880411 A CN110880411 A CN 110880411A CN 201911171924 A CN201911171924 A CN 201911171924A CN 110880411 A CN110880411 A CN 110880411A
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- 238000004804 winding Methods 0.000 title claims abstract description 135
- 208000032369 Primary transmission Diseases 0.000 claims abstract description 15
- 208000032370 Secondary transmission Diseases 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 21
- 239000002356 single layer Substances 0.000 abstract description 3
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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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
- H01F41/06—Coil winding
- H01F41/071—Winding coils of special form
- H01F41/074—Winding flat coils
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Coil Winding Methods And Apparatuses (AREA)
Abstract
The invention provides a small-inner-diameter planar coil winding device which comprises a power shaft, a driving winding platform, an axial guide rail, a rotating shaft core, a driven winding platform, a primary transmission shaft and a secondary transmission shaft. In the winding process, the driving winding plane and the driven winding plane are arranged oppositely and are separated by a gap for accommodating a planar coil, and one end of the rotating shaft core can be clamped into the clamping groove. The diameter of the rotating shaft core can be designed according to needs, and when the diameter of the rotating shaft core is designed to be about 2mm, a coil with a small inner diameter can be wound. In the winding process, the coil is always clamped in the gap between the driving winding plane and the driven winding plane, the size of the gap is just matched with the wire diameter of the coil, namely, the coil (planar coil) with a single layer can be clamped, and the size of the gap can be adjusted according to requirements. Therefore, the device can better wind the planar coil with small wire diameter and small inner diameter.
Description
Technical Field
The invention belongs to the technical field of coil winding equipment, and particularly relates to a small-inner-diameter plane coil winding device.
Background
In the winding mode of the plane flexible rope in the prior art, most of the plane flexible rope can only be used for winding the rope or the cable with larger wire diameter; there is no good and fast way to wind small wire diameter (within 0.2 mm) and small inner diameter (2mm) planar coils. Therefore, a special device for winding the small-wire-diameter and small-inner-diameter planar coil is needed.
Disclosure of Invention
The invention aims to provide a device capable of winding a small-wire-diameter and small-inner-diameter planar coil better.
The invention is realized in this way, a small-inner-diameter plane coil winding device, which comprises a power shaft, a driving winding platform, an axial guide rail, a rotating shaft core, a driven winding platform, a primary transmission shaft and a secondary transmission shaft; one end of the active winding platform is an active winding plane, the other end of the active winding platform is a first connecting end, the first connecting end is provided with a guide groove, the outer periphery of the axial guide rail is provided with a guide structure, the axial guide rail is embedded in the guide groove, and the power output end of the power shaft is in transmission connection with the active winding platform through the axial guide rail; the rotating shaft core is arranged at the center of the driving winding plane; one end of the driven winding platform is a driven winding plane, the other end of the driven winding platform is a second connecting end, and a clamping groove is formed in the center of the driven winding plane; in the winding process, the driving winding plane and the driven winding plane are arranged oppositely and separated by a gap for accommodating a planar coil, and one end of the rotating shaft core can be clamped into the clamping groove; one end of the primary transmission shaft is in transmission connection with the power shaft, and the other end of the primary transmission shaft is in transmission connection with the secondary transmission shaft; and the free end of the secondary transmission shaft is connected with the second connecting end of the driven winding platform.
Furthermore, a connecting hole is formed in the axial guide rail, and the power output end of the power shaft penetrates through the connecting hole of the axial guide rail.
Furthermore, a first synchronizing wheel is sleeved on the power shaft, a second synchronizing wheel is sleeved at one end of the primary transmission shaft, and the first synchronizing wheel and the second synchronizing wheel are in transmission connection by winding a first belt; the other pot head of one-level transmission shaft is equipped with the third synchronizing wheel, the cover is equipped with the fourth synchronizing wheel on the secondary drive axle, the third synchronizing wheel realizes the transmission with the fourth synchronizing wheel through around putting the second belt and is connected.
Further, the transmission ratios of the first synchronizing wheel, the second synchronizing wheel, the third synchronizing wheel and the fourth synchronizing wheel are all 1.
Furthermore, draw-in groove on the driven winding plane is including the card hole that is located the centre and the wire hole that is located the side, the one end card of pivot core is gone into in the card hole, the wire hole is used for supplying the stub to stretch out.
Furthermore, the rotating shaft core is provided with a larger end and a smaller end, wherein the smaller end is a winding shaft, a small hole is formed in the center of the driving winding plane, the winding shaft penetrates through the small hole, and the larger end of the rotating shaft core is positioned on one side close to the axial guide rail; the small inner diameter plane coil winding device further comprises a spring, wherein a containing groove extends from one side, close to the axial guide rail, of the driving winding plane, and the spring is embedded in the containing groove and abuts against the larger end of the rotating shaft core.
Further, the two ends of the first synchronizing wheel, the second synchronizing wheel, the third synchronizing wheel and the fourth synchronizing wheel are equally provided with bearings, the small-inner-diameter planar coil winding device further comprises a first shell, a second shell, a third shell and a fourth shell, the first shell and the second shell are mutually covered and sealed, the first synchronizing wheel and the second synchronizing wheel are sealed, the third shell and the fourth shell are mutually covered and sealed, the third synchronizing wheel and the fourth synchronizing wheel are sealed, bearing holes are formed in the first shell, the second shell, the third shell and the fourth shell, and the first synchronizing wheel, the second synchronizing wheel, the third synchronizing wheel and the fourth synchronizing wheel are embedded in the corresponding bearing holes.
Furthermore, the small-inner-diameter planar coil winding device further comprises adjusting gaskets, and one adjusting gasket is respectively clamped between the first synchronizing wheel and the bearings at the two ends of the first synchronizing wheel, between the second synchronizing wheel and the bearings at the two ends of the second synchronizing wheel, between the third synchronizing wheel and the bearings at the two ends of the third synchronizing wheel, and between the fourth synchronizing wheel and the bearings at the two ends of the fourth synchronizing wheel.
Furthermore, the free end of second grade transmission shaft with driven wire winding platform passes through rapid disassembly structure and connects, rapid disassembly structure includes connecting plate and screw, the connecting plate with the free end fixed connection of second grade transmission shaft, the connecting hole has been seted up on the connecting plate, the screw wear to locate in the connecting hole, and with driven wire winding platform threaded connection.
Compared with the prior art, the invention has the beneficial effects that:
the diameter of the rotating shaft core can be designed according to needs, and when the diameter of the rotating shaft core is designed to be about 2mm, a coil with a small inner diameter can be wound. In the winding process, the coil is always clamped in the gap between the driving winding plane and the driven winding plane, the size of the gap is just matched with the wire diameter of the coil, namely, the coil (planar coil) with a single layer can be clamped, and the size of the gap can be adjusted according to requirements. Therefore, the device can better wind the planar coil with small wire diameter and small inner diameter.
Drawings
Fig. 1 is a schematic perspective view of a small inner diameter planar coil winding device according to an embodiment of the present invention;
FIG. 2 is a schematic exploded view of the apparatus of FIG. 1;
FIG. 3 is a schematic longitudinal cross-sectional view of the device of FIG. 1;
FIG. 4 is a schematic view of the active winding platform and axial guide of the apparatus of FIG. 1;
FIG. 5 is a schematic view of the driving winding table, the driven winding table and the spindle core of the apparatus shown in FIG. 1;
fig. 6 is a schematic structural diagram of the active winding platform and the spindle core in the device shown in fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; the two components may be mechanically connected, directly connected, indirectly connected through an intermediate medium, or communicated with each other. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 3, a small-inner-diameter planar coil winding device according to the present invention is shown, which includes a power shaft 1, a driving winding platform 2, an axial guide rail 3, a rotating shaft core 4, a driven winding platform 5, a primary transmission shaft 6, and a secondary transmission shaft 7.
Referring to fig. 4, one end of the active winding platform 2 is an active winding plane 21, the other end is a first connection end 22, the first connection end 22 is provided with a guide groove 221, the outer periphery of the axial guide rail 3 is provided with a guide structure, and the axial guide rail 3 is embedded in the guide groove 221.
The power output end of the power shaft 1 is in transmission connection with the driving winding platform 2 through an axial guide rail 3; the rotating shaft core 4 is arranged on the central position of the driving winding plane 21; one end of the driven winding platform 5 is a driven winding plane 51, the other end is a second connecting end 52, and a clamping groove 511 is formed in the center of the driven winding plane 51; in the winding process, the driving winding plane 21 and the driven winding plane 51 are arranged oppositely and separated by a gap for accommodating a planar coil, and one end of the rotating shaft core 4 can be clamped into the clamping groove 511; one end of the primary transmission shaft 6 is in transmission connection with the power shaft 1, and the other end of the primary transmission shaft is in transmission connection with the secondary transmission shaft 7; the free end of the secondary transmission shaft 7 is connected with the second connecting end 52 of the driven winding platform 5.
Specifically, a connecting hole 31 is formed in the axial guide rail 3, and the power output end of the power shaft 1 is arranged in the connecting hole 31 of the axial guide rail 3 in a penetrating manner.
The power shaft 1 is sleeved with a first synchronizing wheel 81, one end of the primary transmission shaft 6 is sleeved with a second synchronizing wheel 82, and the first synchronizing wheel 81 and the second synchronizing wheel 82 are in transmission connection by winding a first belt. The other end of the primary transmission shaft 6 is sleeved with a third synchronizing wheel 83, the secondary transmission shaft 7 is sleeved with a fourth synchronizing wheel 84, and the third synchronizing wheel 83 and the fourth synchronizing wheel 84 are in transmission connection through winding a second belt.
Preferably, the transmission ratios of the first synchronizing wheel 81, the second synchronizing wheel 82, the third synchronizing wheel 83 and the fourth synchronizing wheel 84 are all 1, so that the driving winding plane 21 and the driven winding plane 51 can rotate synchronously, and friction between the coil and the driving winding plane 21 or the driven winding plane 51 is avoided.
Referring to fig. 5, the slot 511 of the driven winding plane 51 includes a clamping hole 5111 located in the middle and an outlet hole 5112 located on the side, one end of the rotating shaft core 4 is clamped in the clamping hole 5111, and the outlet hole 5112 is used for extending a wire terminal.
Referring to fig. 6, the rotating shaft core 4 has a larger end and a smaller end, wherein the smaller end is a winding shaft 41, a small hole 211 is formed in the center of the driving winding plane 21, the winding shaft 41 penetrates through the small hole 211, and the larger end of the rotating shaft core 4 is located at a side close to the axial guide rail 3; the small inner diameter plane coil winding device further comprises a spring 9, one side of the driving winding plane 21 close to the axial guide rail 3 extends out of the accommodating groove 212, and the spring 9 is embedded in the accommodating groove 212 and abuts against the larger end of the rotating shaft core 4.
Further, the small inner diameter planar coil winding device includes a first casing 10, a second casing 20, a third casing 30, and a fourth casing 40, wherein the first casing 10 and the second casing 20 are mutually covered and close a first synchronizing wheel 81 and a second synchronizing wheel 82, and the third casing 30 and the fourth casing 40 are mutually covered and close a third synchronizing wheel 83 and a fourth synchronizing wheel 84.
The first synchronizing wheel 81, the second synchronizing wheel 82, the third synchronizing wheel 83, and the fourth synchronizing wheel 84 are provided at both ends thereof with bearings 50, respectively. The first casing 10, the second casing 20, the third casing 30 and the fourth casing 40 are respectively provided with bearing holes for embedding the first synchronizing wheel 81, the second synchronizing wheel 82, the third synchronizing wheel 83 and the fourth synchronizing wheel 84.
The small inner diameter planar coil winding device further comprises adjusting shims 60, and one adjusting shim 60 is respectively clamped between the first synchronizing wheel 81 and the bearings 50 at the two ends of the first synchronizing wheel, between the second synchronizing wheel 82 and the bearings 50 at the two ends of the second synchronizing wheel, between the third synchronizing wheel 83 and the bearings 50 at the two ends of the third synchronizing wheel, and between the fourth synchronizing wheel 84 and the bearings 50 at the two ends of the fourth synchronizing wheel. By providing the adjusting shim 60, each synchronizing wheel can be more tightly mounted to the bearing 50, which is advantageous for the synchronizing wheels to be more stable in the axial direction.
In order to realize the quick disassembly of the driven winding platform 5 and take out the wound coil, the free end of the secondary transmission shaft 7 of the embodiment is connected with the driven winding platform 5 through a quick-release structure, the quick-release structure comprises a connecting plate 71 and a screw 72, the connecting plate 71 is fixedly connected with the free end of the secondary transmission shaft 7, a connecting hole is formed in the connecting plate 71, and the screw 72 is arranged in the connecting hole in a penetrating manner and is in threaded connection with the driven winding platform 5.
The steps of winding the planar coil by using the device of the embodiment are as follows:
1. opening the device, pushing the driving winding plane 21 backward to separate it from the driven winding plane 51, and rotating the driven winding plane 51 by 90 degrees around the primary transmission shaft 6;
2. threading, one end of the thread is extended from the radial direction of the gap between the driving winding plane 21 and the driven winding plane 51 and penetrates into the clamping groove 511 of the driven winding plane 51; the driving winding plane 21 is pushed forward to buckle the rotating shaft core 4 with the clamping groove 511, the driven winding plane 51 is rotated back to the original position, and at the moment, the driving winding plane 21 clamps the coil under the elastic force of the spring 9;
3. the power shaft 1 is driven or driven manually, the driving winding plane 21 and the driven winding plane 51 can rotate around the rotating shaft core 4, and meanwhile, the wire is wound between the two planes; in the process, the clearance fit between the rotating shaft core 4 and the clamping hole 5111 in the middle of the clamping groove 511 provides the coil with an inner diameter of 2mm, the thread end is limited in the thread outlet 5112 on the side of the clamping groove 511 and cannot gun move, or the thread end can extend out of the driven winding plane 51 through the thread outlet 5112;
4. the coil is fixed and solidified by means of related technology, and the coil can be taken down by detaching the driven winding platform 51.
The diameter of the rotating shaft core 4 of the embodiment can be designed according to the requirement, and when the diameter of the rotating shaft core 4 is designed to be about 2mm, a coil with a small inner diameter can be wound. In the winding process, the coil is always clamped in the gap between the driving winding plane 21 and the driven winding plane 51, the size of the gap is just matched with the wire diameter of the coil, namely, the coil can just clamp a single-layer coil (a planar coil), and the size of the gap can be adjusted according to requirements, so that the coil with a small wire diameter can be wound in the embodiment. Therefore, the device of the embodiment can be used for better winding the planar coil with small wire diameter and small inner diameter.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A small-inner-diameter planar coil winding device is characterized by comprising a power shaft, a driving winding platform, an axial guide rail, a rotating shaft core, a driven winding platform, a primary transmission shaft and a secondary transmission shaft; one end of the active winding platform is an active winding plane, the other end of the active winding platform is a first connecting end, the first connecting end is provided with a guide groove, the outer periphery of the axial guide rail is provided with a guide structure, the axial guide rail is embedded in the guide groove, and the power output end of the power shaft is in transmission connection with the active winding platform through the axial guide rail; the rotating shaft core is arranged at the center of the driving winding plane; one end of the driven winding platform is a driven winding plane, the other end of the driven winding platform is a second connecting end, and a clamping groove is formed in the center of the driven winding plane; in the winding process, the driving winding plane and the driven winding plane are arranged oppositely and separated by a gap for accommodating a planar coil, and one end of the rotating shaft core can be clamped into the clamping groove; one end of the primary transmission shaft is in transmission connection with the power shaft, and the other end of the primary transmission shaft is in transmission connection with the secondary transmission shaft; and the free end of the secondary transmission shaft is connected with the second connecting end of the driven winding platform.
2. The small inner diameter planar coil winding device according to claim 1, wherein a connection hole is formed in the axial guide rail, and the power output end of the power shaft is inserted into the connection hole of the axial guide rail.
3. The small inner diameter planar coil winding device according to claim 1, wherein a first synchronizing wheel is sleeved on the power shaft, a second synchronizing wheel is sleeved on one end of the primary transmission shaft, and the first synchronizing wheel and the second synchronizing wheel are in transmission connection by winding a first belt; the other pot head of one-level transmission shaft is equipped with the third synchronizing wheel, the cover is equipped with the fourth synchronizing wheel on the secondary drive axle, the third synchronizing wheel realizes the transmission with the fourth synchronizing wheel through around putting the second belt and is connected.
4. The small inner diameter planar coil winding device according to claim 3, wherein the gear ratios of the first synchronizing wheel, the second synchronizing wheel, the third synchronizing wheel and the fourth synchronizing wheel are all 1.
5. The small inner diameter planar coil winding device as claimed in claim 1, wherein the locking groove of the driven winding plane includes a locking hole at the center and an outlet hole at the side, one end of the rotary shaft core is locked in the locking hole, and the outlet hole is used for the extension of a terminal.
6. The small inner diameter plane coil winding device according to any one of claims 1 to 5, wherein the shaft core has a larger end and a smaller end, wherein the smaller end is a winding shaft, a small hole is formed in the center of the active winding plane, the winding shaft penetrates through the small hole, and the larger end of the shaft core is located on the side close to the axial guide rail; the small inner diameter plane coil winding device further comprises a spring, wherein a containing groove extends from one side, close to the axial guide rail, of the driving winding plane, and the spring is embedded in the containing groove and abuts against the larger end of the rotating shaft core.
7. The small inner diameter planar coil winding device according to claim 3 or 4, wherein bearings are respectively disposed at both ends of the first synchronizing wheel, the second synchronizing wheel, the third synchronizing wheel and the fourth synchronizing wheel, the small inner diameter planar coil winding device further comprises a first housing, a second housing, a third housing and a fourth housing, the first housing and the second housing cover each other and enclose the first synchronizing wheel and the second synchronizing wheel, the third housing and the fourth housing cover each other and enclose the third synchronizing wheel and the fourth synchronizing wheel, bearing holes are formed in the first housing, the second housing, the third housing and the fourth housing, and the first synchronizing wheel, the second synchronizing wheel, the third synchronizing wheel and the fourth synchronizing wheel are inserted into the corresponding bearing holes.
8. The small inner diameter planar coil winding device according to claim 7, further comprising an adjustment washer, one of which is interposed between the first synchronizing wheel and the bearings at both ends thereof, between the second synchronizing wheel and the bearings at both ends thereof, between the third synchronizing wheel and the bearings at both ends thereof, and between the fourth synchronizing wheel and the bearings at both ends thereof, respectively.
9. The small-inner-diameter planar coil winding device according to any one of claims 1 to 5, wherein the free end of the secondary transmission shaft is connected to the driven winding platform through a quick release structure, the quick release structure includes a connecting plate and a screw, the connecting plate is fixedly connected to the free end of the secondary transmission shaft, a connecting hole is formed in the connecting plate, and the screw is inserted into the connecting hole and is in threaded connection with the driven winding platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911171924.7A CN110880411B (en) | 2019-11-26 | 2019-11-26 | Small-inner-diameter plane coil winding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911171924.7A CN110880411B (en) | 2019-11-26 | 2019-11-26 | Small-inner-diameter plane coil winding device |
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| Publication Number | Publication Date |
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| CN110880411A true CN110880411A (en) | 2020-03-13 |
| CN110880411B CN110880411B (en) | 2024-04-26 |
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| CN201911171924.7A Active CN110880411B (en) | 2019-11-26 | 2019-11-26 | Small-inner-diameter plane coil winding device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112820534A (en) * | 2021-01-09 | 2021-05-18 | 安徽新兆科技有限公司 | IC snap ring shape coil winder |
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| US4449291A (en) * | 1981-11-04 | 1984-05-22 | Loral Corporation | Method of making a multiple layer coil winding system |
| CN201937414U (en) * | 2011-01-19 | 2011-08-17 | 珠海市粤茂科技实业有限公司 | Horizontal automatic winding machine with duplex windings |
| CN202957131U (en) * | 2012-10-22 | 2013-05-29 | 爱华特(广州)通讯有限公司 | Hollow coil winding machine |
| CN205069373U (en) * | 2015-11-09 | 2016-03-02 | 西安聚能超导磁体科技有限公司 | A coiling device for individual layer planar coil |
| CN109038980A (en) * | 2018-07-13 | 2018-12-18 | 徐州鼎力金属机电有限公司 | A kind of motor winding method for winding that the quality of production can be improved |
| CN210606961U (en) * | 2019-11-26 | 2020-05-22 | 爱菲力斯(深圳)科技有限公司 | Small-inner-diameter planar coil winding device |
-
2019
- 2019-11-26 CN CN201911171924.7A patent/CN110880411B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4449291A (en) * | 1981-11-04 | 1984-05-22 | Loral Corporation | Method of making a multiple layer coil winding system |
| CN201937414U (en) * | 2011-01-19 | 2011-08-17 | 珠海市粤茂科技实业有限公司 | Horizontal automatic winding machine with duplex windings |
| CN202957131U (en) * | 2012-10-22 | 2013-05-29 | 爱华特(广州)通讯有限公司 | Hollow coil winding machine |
| CN205069373U (en) * | 2015-11-09 | 2016-03-02 | 西安聚能超导磁体科技有限公司 | A coiling device for individual layer planar coil |
| CN109038980A (en) * | 2018-07-13 | 2018-12-18 | 徐州鼎力金属机电有限公司 | A kind of motor winding method for winding that the quality of production can be improved |
| CN210606961U (en) * | 2019-11-26 | 2020-05-22 | 爱菲力斯(深圳)科技有限公司 | Small-inner-diameter planar coil winding device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112820534A (en) * | 2021-01-09 | 2021-05-18 | 安徽新兆科技有限公司 | IC snap ring shape coil winder |
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| CN110880411B (en) | 2024-04-26 |
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