CN112185688B - Tension device for winding coil - Google Patents
Tension device for winding coil Download PDFInfo
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- CN112185688B CN112185688B CN202011032952.3A CN202011032952A CN112185688B CN 112185688 B CN112185688 B CN 112185688B CN 202011032952 A CN202011032952 A CN 202011032952A CN 112185688 B CN112185688 B CN 112185688B
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- cam
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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
- H01F41/094—Tensioning or braking devices
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- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Coil Winding Methods And Apparatuses (AREA)
Abstract
The invention relates to the technical field of transformer winding, and discloses a coil winding tensioning device which comprises a shell, at least one pair of pressing components, an adjusting component and a copper conductor leveling component, wherein each pressing component comprises a spring, a first mounting seat, a first shaft and a cam; the pressing components at least comprise a pair of pressing components which are arranged in an opposite mode that the cams are opposite; the cam is provided with a first arc-shaped groove used for passing through a copper wire along the circumferential direction of the cam; at least two groups of copper wire leveling assemblies are respectively arranged on two sides of the pressing assembly, and the copper wire leveling assemblies positioned on one side are not positioned on the same horizontal plane and have included angles with each other. Through the arrangement of the technology, the surface of the copper wire is not damaged; meanwhile, the copper wire can be tensioned.
Description
Technical Field
The invention relates to the technical field of transformer winding, in particular to a tensioning device for winding a coil.
Background
Because the manufacturing quality requirements of various industries on the transformer are higher and higher, especially the requirements on the coil are higher, the coil needs to be wound tightly in order to improve the requirements on short circuit resistance and the like. Wherein, the axial direction is close to the radial direction to realize zero margin. Due to the structural characteristics of the coil, most of the existing transformer industries adopt a horizontal winding machine to wind the coil, and the problems of the radial infirmity, the axial infirmity or the thinning of the section of a copper wire of the coil are caused, such as no tensioning device, incorrect tensioning position (wire frame locking) or improper (larger or smaller) control of the tensioning force.
CN 102468047B discloses a tension device for winding transformer coil, which is installed between a winding machine and a copper wire disc bracket, and the lower part of the tension device is a machine base, and is characterized in that: the upper part of the machine base is provided with a guide rail; the guide rail is provided with a movable guide rail sliding seat, a rolling shaft is arranged on the guide rail sliding seat, and rolling bearings are arranged on two side surfaces of the guide rail sliding seat so as to realize the positioning and movement of the guide rail sliding seat on the guide rail; the guide rail sliding seat is provided with a pressing device, a front supporting roller, a rear supporting roller and a support plate of the pressing device are fixed on a flat plate of the guide rail sliding seat, a front pressing roller, a rear pressing roller and a pressing plate of the pressing device are connected with a front cylinder, a rear cylinder and a main cylinder, and the front cylinder, the rear cylinder and the main cylinder are fixed on a vertical plate of the pressing device; the vertical plate of the pressing device is connected with the front cylinder, the rear cylinder, the main cylinder, the front compression roller, the rear compression roller and the pressing plate in a turnover structure, and the front cylinder, the rear cylinder and the main cylinder are respectively provided with an air path controlled by a pressure gauge and a switch. The invention realizes the tensioning and the leaning of the copper wire by adopting pneumatic compression, thereby achieving the purpose of compact coil.
However, the copper wire is pressed by the support plate, the pressing plate and the main cylinder, the outer surface of the copper wire is rubbed with the support plate and the pressing plate in the process that the copper wire is pulled out of the pressing device, and particularly under the condition of pressing pressure, the outer surface of the copper wire is greatly abraded, so that the appearance of a product is influenced, and even the performance of the product is influenced.
Disclosure of Invention
The invention aims to provide a tensioning device for winding a coil, which can solve the problems in the prior art that: in the winding process, the outer surface of the copper wire can be damaged in the process of pressing the copper wire.
In order to achieve the above object, the present invention provides a coil winding tension device, which includes a housing, at least one pair of pressing components, an adjusting component and a copper wire leveling component, wherein the pressing components include a spring, a first mounting seat, a first shaft and a cam;
the adjusting assembly is in threaded connection with the shell, two ends of the spring are respectively fixedly connected with the adjusting assembly and the first mounting seat, and the first shaft penetrates through the first mounting seat and is coaxially arranged with the cam;
any pair of the pressing assemblies comprises a pair of pressing assemblies which are oppositely arranged in a mode that the cams are opposite;
the cam is provided with a first arc-shaped groove used for passing through a copper wire along the circumferential direction of the cam;
at least two groups of copper wire leveling assemblies are respectively arranged on two sides of the pressing assembly, and the copper wire leveling assemblies positioned on one side are not positioned on the same horizontal plane and have included angles with each other.
Through the arrangement of the technology, the compressing assembly adopts a cam mode, and the rotation of the cam is adapted to the movement of the copper conductor, so that the surface of the copper conductor is not damaged; meanwhile, in the rotating process of the cam, the change of the distance between the periphery of the cam and the first shaft enables the friction force between the cam and the copper wire to be converted into the resistance force of the cam for overcoming the rotation of the spring, namely the force for tensioning the copper wire is converted into the force for compressing the spring through the cam, so that the copper wire can be tensioned, and the copper wire is enabled to be in a straight state in the device through the arrangement of the copper wire leveling assembly, so that the copper wire can be wound more neatly and tightly.
Furthermore, a friction ring which is adaptive to the shape of the first arc-shaped groove is arranged on the first arc-shaped groove.
Further, the periphery of spring is provided with guide structure, guide structure includes urceolus and inner tube, urceolus and adjustment subassembly fixed connection, the inner tube with first mount pad fixed connection, urceolus cover is located can follow on the inner tube the axial displacement of inner tube.
Furthermore, the adjusting assembly comprises a threaded hole, a threaded rod, a connecting plate and a rotating handle, the threaded hole is located on the shell, the rotating handle is located outside the shell, one end of the threaded rod is fixedly connected with the rotating handle, the other end of the threaded rod penetrates through the threaded hole to be connected with the connecting plate bearing, and the connecting plate is fixedly connected with the spring and the outer cylinder;
the axis of the threaded rod coincides with the axis of the spring.
Further, the copper conductor leveling assembly comprises two groups of guide pieces, wherein each guide piece comprises a second mounting seat, a second shaft and a guide wheel;
the second mounting seat is fixedly connected with the shell, and the second shaft penetrates through the second mounting seat and is coaxially arranged with the guide wheel;
a second arc-shaped groove is formed in the guide wheel along the circumferential direction of the guide wheel; the two sets of guide members are arranged in an opposed manner with the guide wheels facing each other.
Furthermore, the coil winding tensioning device also comprises a cam synchronous steering structure and a fixing structure;
the cam is provided with an annular groove surrounding the circumferential direction of the first shaft, two ends of the cam synchronous steering structure are respectively in sliding connection with the opposite annular groove on the cam, and two ends of the fixed structure are respectively in fixed connection with the cam synchronous steering structure and the first mounting seat.
Further, the synchronous steering structure comprises a connecting rod, a box body, a rotating shaft and a gear;
the rotating shaft penetrates through the box body, the gear and the rotating shaft are coaxially arranged, and the gear and the rotating shaft are both positioned in the box body; one end of the connecting rod is connected with the annular groove in a sliding mode, a plurality of gear teeth are arranged at the other end of the connecting rod, and the connecting rod is meshed with the gear;
the axis of the rotating shaft is parallel to the axis of the first shaft.
Furthermore, the cross section of the annular groove is in a convex shape, and one end, matched with the annular groove, of the connecting rod is connected with a roller.
Further, the fixing structure includes a fixing tube and a sliding rod;
the fixed pipe is fixedly connected with the first mounting seat, a sliding space is formed in the fixed pipe, one end of the sliding rod is fixedly connected with the box body, and the other end of the sliding rod is located in the sliding space.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
FIG. 1 is a schematic structural view of one embodiment of a coil wound tensioner of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is an enlarged view of FIG. 2 at A;
fig. 4 is a cross-sectional view of fig. 1.
Description of the reference numerals
1 housing 2 compression assembly
23 first mount 22 spring
25 cam 24 first shaft
31 outer cylinder 26 first arc-shaped groove
41 connecting rod 32 inner cylinder
43 rotating shaft 42 box
51 fixed tube 44 gear
6 copper wire leveling assembly 52 slide bar
62 second mounting base 63 second shaft
64 guide wheel 65 second arc-shaped groove
27 ring groove 45 roller
71 threaded rod 72 connecting plate
73 rotating handle
Detailed Description
The following describes in detail specific embodiments of the present invention. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
In the present invention, the use of the terms of orientation such as "upper and lower" in the case where no description is made to the contrary generally means the orientation in the assembled and used state. "inner and outer" refer to the inner and outer contours of the respective component itself.
In order to solve the problems existing in the background art: in the winding process, the outer surface of a copper wire can be damaged in the process of pressing the copper wire, as shown in fig. 1-4, the invention provides a coil winding tensioning device, which comprises a shell 1, at least one pair of pressing components 2, an adjusting component and a copper wire leveling component 6, wherein the pressing components 2 comprise springs 22, a first mounting seat 23, a first shaft 24 and a cam 25;
the adjusting assembly is in threaded connection with the shell 1, two ends of the spring 22 are respectively and fixedly connected with the adjusting assembly and the first mounting seat 23, and the first shaft 24 is arranged on the first mounting seat 23 in a penetrating manner and is coaxial with the cam 25;
any pair of the pressing assemblies 2 comprises a pair of pressing assemblies 2 which are oppositely arranged in a mode that the cams 25 are opposite;
the cam 25 is provided with a first arc-shaped groove 26 for passing through a copper wire along the circumferential direction;
at least two groups of copper wire leveling assemblies 6 are respectively arranged on two sides of the pressing assembly, the copper wire leveling assemblies 6 on one side are not positioned on the same horizontal plane, and included angles are formed between the copper wire leveling assemblies 6; in the embodiment shown in fig. 1, the number of the pressing assemblies 2 is 2 groups; preferably, the number of the copper wire leveling assemblies 6 is 2, the copper wire leveling assemblies 6 on one side are not on the same horizontal plane and are 90 degrees from each other, and the arrangement enables the copper wire to be leveled by the guide wheels 64 at 4 angles, so that the copper wire is more neat and compact.
Through the technical arrangement, the compressing assembly 2 adopts the mode of the cam 25, and the rotation of the cam 25 is adapted to the movement of the copper conductor, so that the surface of the copper conductor cannot be damaged; at the same time, during the rotation of the cam 25, the variation of the distance between its periphery and the first shaft 24 translates the friction between the cam 25 and the copper wire into a resistance of the cam 25 against the rotation of the spring 22, that is to say the force of tensioning the copper wire is translated by the cam 25 into a force of compression of the spring 22, so that the copper wire is tensioned; through the setting of copper wire flattening subassembly 6 for the copper wire is straight state in this device, so that can be more neat and inseparable during the coiling copper wire.
Preferably, the peripheral edge of the cam 25 forms an included angle of 90-120 degrees with the shortest straight line and the longest straight line from the first shaft 24, and the arrangement can prolong the time for gradually increasing the rotation resistance of the cam 25 and shorten the time for gradually decreasing the rotation resistance of the cam 25, so that the tensioning effect is better when the copper wire is wound.
Preferably, a housing cover is detachably arranged on the housing 1, and the housing cover is made of a transparent material; it should be noted that the housing cover is not shown in the drawings in order to clearly demonstrate the structure through the drawings
It should be noted that the housing 1 is provided with a through hole through which the copper wire can pass.
The lower surface of the shell 1 is provided with a sliding guide rail groove, and the sliding guide rail is vertical to the through hole; the sliding guide groove can be fitted with a sliding guide for driving the present invention to move back and forth as shown in fig. 2, thereby causing the copper wires to abut against each other in a circle.
In order to ensure that the friction force between the copper wire and the cam 25 is large enough, a friction ring which is adaptive to the shape of the first arc-shaped groove 26 is arranged on the first arc-shaped groove; preferably, the material of the friction ring comprises rubber.
In order to enable the spring 22 to deform only in the vertical direction and limit the spring 22 from deforming in other directions, preferably, a guide structure is disposed on the outer periphery of the spring 22, the guide structure includes an outer cylinder 31 and an inner cylinder 32, the outer cylinder 31 is fixedly connected with an adjustment assembly, the inner cylinder 32 is fixedly connected with the first mounting seat 23, and the outer cylinder 31 is sleeved on the inner cylinder 32 and can move along the axial direction of the inner cylinder 32; further, in order to prevent the spring 22 from twisting, it is preferable that the outer cylinder 31 is provided with a guide bar, and the inner cylinder 32 is provided with a guide groove having a shape corresponding to the guide bar, and the guide bar is fitted into the guide groove.
In order to adjust the pressing force of the pressing assembly 2, in a preferred case, the adjusting assembly includes a threaded hole, a threaded rod 71, a connecting plate 72 and a rotating handle 73, the threaded hole is located on the housing 1, the rotating handle 73 is located outside the housing 1, one end of the threaded rod 71 is fixedly connected with the rotating handle 73, the other end of the threaded rod passes through the threaded hole to be in bearing connection with the connecting plate 72, and the connecting plate 72 is fixedly connected with the spring 22 and the outer cylinder 31;
the axis of the threaded rod 71 coincides with the axis of the spring 22; the movement of the threaded rod 71 is controlled by rotating the knob 73 to control the initial compression of the spring 22, so that the elastic force of the spring 22 can be increased or decreased to increase or decrease the resistance to rotation of the cam 25, with the end result that the tension force of the copper wire is varied.
In order to ensure that the copper wire can have a flat state, so that the copper wire can be wound more neatly, in a preferred case, the copper wire leveling assembly 6 comprises two sets of guiding members, wherein the guiding members comprise a second mounting seat 62, a second shaft 63 and a guiding wheel 64;
the second mounting base 62 is fixedly connected with the housing 1, and the second shaft 63 is arranged on the second mounting base 62 in a penetrating manner and is coaxial with the guide wheel 64;
a second arc-shaped groove 65 is formed in the guide wheel 64 along the circumferential direction; the two sets of guide members are arranged in opposing relation to guide wheels 64.
Preferably, a friction ring adapted to the shape of the second arc-shaped groove 65 is arranged on the second arc-shaped groove; preferably, the material of the friction ring comprises rubber.
It should be noted that the second mounting seat 62 can limit the two sides of the first mounting seat 23, so as to ensure the smooth operation of the compressing assembly 2;
in order to make the distance between the contact point of the two cams 23 opposite to the first annular groove and the conducting wire and the respective first shaft 24 the same, in a preferred case, the coil winding tension device also comprises a cam synchronous steering structure and a fixed structure;
the cam 25 is provided with an annular groove 27 surrounding the circumference of the first shaft 24, two ends of the cam synchronous steering structure are respectively connected with the opposite annular groove 27 on the cam 25 in a sliding manner, and two ends of the fixed structure are respectively fixedly connected with the cam synchronous steering structure and the first mounting seat 23.
As a preferred embodiment of the synchronous steering structure, the synchronous steering structure includes a connecting rod 41, a case 42, a rotating shaft 43, and a gear 44;
the rotating shaft 43 is inserted into the box body 42, the gear 44 is coaxially arranged with the rotating shaft 43, and both the gear 44 and the rotating shaft 43 are located in the box body 42; one end of the connecting rod 41 is slidably connected with the annular groove 27, a plurality of gear teeth are arranged at the other end of the connecting rod 41, and the connecting rod 41 is meshed with the gear 44;
the axis of the rotating shaft 43 is parallel to the axis of the first shaft 24.
It should be noted that, in the above technical solution, the connecting rods 41 connecting the two cams 25 are respectively engaged with two sides of the gear 44, so that the movement of the two connecting rods 41 is performed simultaneously and equidistantly, thereby limiting the two cams 25, and the distance between the point where the two cams 25 contact the copper conductor and the first shaft is equal; this arrangement therefore ensures that the two cams 25 operate in the same state, thereby facilitating control by the subsequent controller.
As a preferred embodiment of the sliding connection, the cross section of the annular groove 27 is "convex", and one end of the connecting rod 41, which is matched with the annular groove 27, is connected with a roller 45; this arrangement can reduce the frictional force between the connecting rod 41 and the annular groove 27, thereby making the connecting rod 41 more sensitively sense the change in the distance from the point where the two cams 25 contact the copper wire to the first shaft.
In order to keep the synchromesh stationary in the transverse dimension, the fixed structure preferably comprises a fixed tube 51 and a sliding rod 52;
the fixed pipe 51 is fixedly connected with the first mounting seat 23, a sliding space is arranged in the fixed pipe 51, one end of the sliding rod 52 is fixedly connected with the box body 42, and the other end of the sliding rod 52 is positioned in the sliding space; the slide rod 52 can slide linearly in the slide space; through the arrangement of the technical scheme, the dimension of the synchronous steering structure in the transverse direction is stable, and the synchronous steering structure can adapt to the distance change between the two cams 25 in the longitudinal direction, so that the process that the distance from the contact point of the cam 25 and the copper wire to the first shaft 24 is changed continuously can be adapted.
The preferred embodiments of the present invention have been described in detail, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. The invention is not described in detail in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (9)
1. The coil winding tensioning device is characterized by comprising a shell (1), at least one pair of pressing components (2), an adjusting component for adjusting pressing force of the pressing components (2) and a copper wire leveling component (6), wherein the pressing components (2) comprise springs (22), first mounting seats (23), first shafts (24) and cams (25);
the adjusting assembly is in threaded connection with the shell (1), two ends of the spring (22) are respectively fixedly connected with the adjusting assembly and the first mounting seat (23), and the first shaft (24) penetrates through the first mounting seat (23) and is coaxially arranged with the cam (25);
any pair of the pressing assemblies (2) comprises a pair of pressing assemblies (2) which are oppositely arranged in a mode that the cams (25) are opposite; the distance between the point of contact of the cam (25) with the copper wire and the first shaft (24) is changed along with the rotation of the cam (25);
the cam (25) is provided with a first arc-shaped groove (26) for passing through a copper wire along the circumferential direction of the cam;
the two sides of the pressing component are respectively provided with at least two groups of copper wire leveling components (6), and the copper wire leveling components (6) positioned on one side are not positioned on the same horizontal plane and have included angles with each other.
2. A tension device for winding a coil according to claim 1, characterized in that the first arc-shaped groove (26) is provided with a friction ring adapted to the shape thereof.
3. The coil winding tensioning device according to claim 1, wherein a guide structure is arranged on the outer periphery of the spring (22), the guide structure comprises an outer cylinder (31) and an inner cylinder (32), the outer cylinder (31) is fixedly connected with an adjusting component, the inner cylinder (32) is fixedly connected with the first mounting seat (23), and the outer cylinder (31) is sleeved on the inner cylinder (32) and can move along the axial direction of the inner cylinder (32).
4. The coil winding tensioning device according to claim 3, characterized in that the adjusting assembly comprises a threaded hole, a threaded rod (71), a connecting plate (72) and a rotating handle (73), the threaded hole is located on the housing (1), the rotating handle (73) is located outside the housing (1), one end of the threaded rod (71) is fixedly connected with the rotating handle (73), the other end of the threaded rod penetrates through the threaded hole to be in bearing connection with the connecting plate (72), and the connecting plate (72) is fixedly connected with the spring (22) and the outer cylinder (31);
the axis of the threaded rod (71) coincides with the axis of the spring (22).
5. A coil-winding tensioning device according to claim 1, characterized in that the copper wire flattening assembly (6) comprises two sets of guides comprising a second mounting seat (62), a second shaft (63) and a guide wheel (64);
the second mounting seat (62) is fixedly connected with the shell (1), and the second shaft (63) is arranged on the second mounting seat (62) in a penetrating manner and is coaxial with the guide wheel (64);
a second arc-shaped groove (65) is formed in the guide wheel (64) along the circumferential direction of the guide wheel; the two sets of guide members are arranged in an opposed manner with the guide wheels (64) opposed.
6. The wound coil tensioning device of claim 1, further comprising a cam synchronous steering structure and a fixed structure;
the cam (25) is provided with a circumferential annular groove (27) surrounding the first shaft (24), two ends of the cam synchronous steering structure are respectively in sliding connection with the opposite annular groove (27) on the cam (25), and two ends of the fixed structure are respectively in fixed connection with the cam synchronous steering structure and the first mounting seat (23).
7. A coil-winding tensioning device according to claim 6, characterized in that the synchronous steering structure comprises a connecting rod (41), a box (42), a rotating shaft (43) and a gear (44);
the rotating shaft (43) is arranged in the box body (42) in a penetrating way, the gear (44) and the rotating shaft (43) are coaxially arranged, and the gear (44) and the rotating shaft (43) are both positioned in the box body (42); one end of the connecting rod (41) is connected with the annular groove (27) in a sliding mode, a plurality of gear teeth are arranged at the other end of the connecting rod (41), and the connecting rod (41) is meshed with the gear (44);
the axis of the rotating shaft (43) is parallel to the axis of the first shaft (21).
8. A coil-winding tensioning device according to claim 7, characterized in that the annular groove (27) is of a convex cross section, and a roller (45) is connected to one end of the connecting rod (41) which is matched with the annular groove (27).
9. A coil-winding tensioning device according to claim 7, characterized in that the fixed structure comprises a fixed tube (51) and a sliding rod (52);
the fixed pipe (51) is fixedly connected with the first mounting seat (23), a sliding space is formed in the fixed pipe (51), one end of the sliding rod (52) is fixedly connected with the box body (42), and the other end of the sliding rod (52) is located in the sliding space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011032952.3A CN112185688B (en) | 2020-09-27 | 2020-09-27 | Tension device for winding coil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011032952.3A CN112185688B (en) | 2020-09-27 | 2020-09-27 | Tension device for winding coil |
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| CN112185688A CN112185688A (en) | 2021-01-05 |
| CN112185688B true CN112185688B (en) | 2022-05-06 |
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| CN202011032952.3A Active CN112185688B (en) | 2020-09-27 | 2020-09-27 | Tension device for winding coil |
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| CN112002550B (en) * | 2020-09-28 | 2022-03-04 | 衢州学院 | Intelligent tensioning device for coil winding and control method |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB638388A (en) * | 1947-10-27 | 1950-06-07 | Avimo Ltd | A wire coil winding machine |
| US3351302A (en) * | 1965-02-23 | 1967-11-07 | Nat Standard Co | Apparatus for paying out wire |
| JPS57107016A (en) * | 1980-12-25 | 1982-07-03 | Seiko Epson Corp | Winding machine |
| EP1205413A3 (en) * | 2000-11-08 | 2007-12-12 | FUJIFILM Corporation | Web winding apparatus, method of and apparatus for processing web edge, and web processing apparatus |
| JP5424446B2 (en) * | 2008-06-26 | 2014-02-26 | ボーグワーナー インコーポレーテッド | Tensioning device |
| CN201689781U (en) * | 2010-04-28 | 2010-12-29 | 珠海恒阳科技有限公司 | Fully automatic winding machine |
| CN207596137U (en) * | 2017-10-31 | 2018-07-10 | 重庆强达力科技发展有限公司 | Apparatus for leveling on printing production line |
| CN207624543U (en) * | 2017-12-11 | 2018-07-17 | 山东中瑞电子股份有限公司 | Comprehensive ring inductance automatic coil winding machine |
| CN109103012B (en) * | 2018-07-10 | 2021-06-01 | 深圳市智源鹏发科技有限公司 | Magnetic ring winding machine |
| CN210246139U (en) * | 2019-08-12 | 2020-04-03 | 衢州光明电力投资集团有限公司 | Tensioning device capable of tensioning high-voltage line |
| CN111048303B (en) * | 2019-12-26 | 2021-05-25 | 昱博股份有限公司 | Winding method of miniature flat enameled wire coil |
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