WO2023132409A1 - Machine d'enroulement de bobine toroïdale - Google Patents

Machine d'enroulement de bobine toroïdale Download PDF

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Publication number
WO2023132409A1
WO2023132409A1 PCT/KR2022/004320 KR2022004320W WO2023132409A1 WO 2023132409 A1 WO2023132409 A1 WO 2023132409A1 KR 2022004320 W KR2022004320 W KR 2022004320W WO 2023132409 A1 WO2023132409 A1 WO 2023132409A1
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WO
WIPO (PCT)
Prior art keywords
wire
grasp
core
toroidal
toroidal core
Prior art date
Application number
PCT/KR2022/004320
Other languages
English (en)
Inventor
Young Hwan Son
Original Assignee
Block9 Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Block9 Co., Ltd. filed Critical Block9 Co., Ltd.
Publication of WO2023132409A1 publication Critical patent/WO2023132409A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type 
    • H01F17/04—Fixed inductances of the signal type  with magnetic core
    • H01F17/06—Fixed inductances of the signal type  with magnetic core with core substantially closed in itself, e.g. toroid
    • H01F17/062—Toroidal core with turns of coil around it
    • 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
    • H01F41/08—Winding conductors onto closed formers or cores, e.g. threading conductors through toroidal cores

Definitions

  • the present disclosure relates to a toroidal coil winding machine.
  • An inductor that generally suppresses a sudden change in current by inducing a voltage in proportion to an amount of change in current is one of the most important components of an electric circuit along with a resistor, a capacitor, an electron tube, a transistor, a power supply, etc.
  • inductors are divided into an air core coil, a magnetic core coil, and a stratified iron cored coil according to a core structure of the coil.
  • the magnetic core coil is divided into a solenoid in which a coil is wound on a rod-shaped magnetic core in a cylindrical shape, and a toroid in which a toroidal coil is wound on a ring-shaped magnetic core in a circular cylindrical shape.
  • the toroid is widely used as a filter for input power or an output filter for switching power because it can obtain a coil part with stable performance and efficiency, and is manufactured by winding a toroidal coil on a toroidal core.
  • winding work was very difficult and inconvenient due to structural characteristics of the annular toroidal core, and various winding devices have been proposed to solve this inconvenience.
  • a winding machine of the toroidal core is configured such that when a hook pulls a wire rod coil, i.e., a wire to a lower side of a core, a roller mounted on a support bar is used to pull the wire upward.
  • a wire rod coil i.e., a wire to a lower side of a core
  • a roller mounted on a support bar is used to pull the wire upward.
  • the thick wire does not adhere to the coil.
  • Patent Document 1 Japanese Patent No. 3399744
  • An embodiment of the present disclosure provides a toroidal coil winding machine capable of winding a wire rod coil on a core by adhering the wire rod coil to the core.
  • a toroidal coil winding machine comprising a core rotating portion configured to rotate by a predetermined angle while supporting a toroidal core; a winding arm configured to grasp a wire passing through a hollow of the toroidal core, then pull up the wire from a lower side to an upper side of the toroidal core, and wind the wire on an outer circumferential portion of the toroidal core; and a hook disposed outside the toroidal core, the hook configured to allow the wire, that is pulled up to the upper side of the toroidal core by the winding arm, to pass through the hollow of the toroidal core and configured to pull down the wire to the lower side of the toroidal core, wherein the winding arm includes a pair of support bars formed to approach each other and be spaced apart from each other; and a grasp portion rotatably supported by each of the pair of support bars and configured to grasp the wire by an approach operation of the pair of support bars.
  • the grasp portion may include a bearing portion provided at each of distal ends of the pair of support bars; and a grasp plate coupled to the bearing portion.
  • the grasp portion may further include a rotating shaft connecting the bearing portion and the grasp plate.
  • the grasp portion may rotate with respect to the winding arm by a preset rotation angle while the winding arm pulls up the wire from the lower side to the upper side of the toroidal core.
  • the grasp portion may further include a through pin configured to pass through the rotating shaft in a direction intersecting a longitudinal direction of the rotating shaft.
  • the support bar may be provided with a stopper that is provided around the bearing portion and interferes with the through pin.
  • the stopper may include a plurality of pin accommodating grooves that are accommodated to be recessed in the support bar and are aligned around the bearing portion at predetermined intervals; and an interference pin that is accommodated in the plurality of pin accommodating grooves and protrudes from the support bar.
  • the grasp portion may further include an elastic member elastically supporting the through pin so that the grasp portion returns to an original position when the pair of support bars are spaced apart from each other.
  • embodiments of the present disclosure provide an effect of winding a wire rod coil on a core by adhering the wire rod coil to the core.
  • FIG. 1 is a perspective view illustrating a toroidal coil winding machine according to an embodiment of the present disclosure.
  • FIG. 2 is a plan view illustrating a part of a toroidal coil winding machine illustrated in FIG. 1.
  • FIG. 3 is a side view illustrating a part of a toroidal coil winding machine illustrated in FIG. 1.
  • FIGS. 4 to 7 illustrate a winding arm
  • FIG. 8 illustrates a winding process of a toroidal coil winding machine illustrated in FIG. 1.
  • FIG. 1 is a perspective view illustrating a toroidal coil winding machine 1 according to an embodiment of the present disclosure
  • FIG. 2 is a plan view illustrating a part of the toroidal coil winding machine 1 illustrated in FIG. 1.
  • the toroidal coil winding machine 1 according to an embodiment of the present disclosure includes a core rotating portion 10 supporting an annular toroidal core C, a winding arm 100 winding a wire W (see FIG. 8), that is a wire rod coil, on the core C, and a hook 31 that pulls the wire W downward.
  • the core rotating portion 10 performs a function of rotating in one direction by a predetermined angle while supporting the toroidal core C.
  • the core rotating portion 10 rotates again in the direction opposite to the one direction to return to the original position.
  • the core rotating portion 10 includes a pair of core clamps 11 supporting the core C, clamp arms 13 respectively supporting the pair of core clamps 11, and an arm rotating portion 15 rotating the clamp arms 13 around a hollow of the core C along a clamp rail 17.
  • the core rotating portion 10 corresponds to the known technology, and thus detailed description thereof will be omitted.
  • the winding arm 100 grasps the wire W, that passes through the hollow of the core C and is arranged downward, at the lower side of the core C, and then pulls the wire W up to the upper side of the core C to wind the wire W on an outer circumferential portion of the core C.
  • the winding arm 100 will be described in detail later.
  • the hook 31 is disposed on the lower side of the core C and reciprocates in an up-down direction.
  • the hook 31 allows the wire W, that is pulled up to the upper side of the core C by the winding arm 100, to pass through the hollow of the core C and pulls the wire W down to the lower side of the core C.
  • the hook 31 passes through a hook guide 32 of the hollow, and the wire W is hung on the hook 31. Then, the hook 31 moves downward while rotating by a predetermined angle in order to prevent the wire W from being separated from the hook 31.
  • the toroidal coil winding machine 1 further includes at least one of a temporary clamp (not shown) and a wire clamp 50.
  • the temporary clamp grasps the core C while the core rotating portion 10 returns to the original position.
  • the temporary clamp does not rotate the core C while grasping the core C.
  • the wire clamp 50 moves to one side and grasps and arranges the wire W supplied from a wire supply unit (not shown) so that the hook 31 and the winding arm 100 smoothly wind the wire W on the core C.
  • a wire supply unit not shown
  • the wire clamp 50 moves to other side again so that the wire clamp 50 does not interfere with the winding operation of the hook 31 and the winding arm 100.
  • FIGS. 4 to 7 illustrate the winding arm 100.
  • the winding arm 100 grasps the wire W, that passes through downward the hollow of the core C, at the lower side of the core C.
  • the winding arm 100 rotates while maintaining an approximately horizontal state and pulls the wire W to the upper side of the core C to wind the wire W on the outer circumferential portion of the core C.
  • the winding arm 100 includes a pair of grasp portions 120 formed to grasp the wire W and a support bar 110 supporting each of the grasp portions 120.
  • the support bar 110 forms a pair, and the pair of support bars 110 are formed to approach each other and be spaced apart from each other.
  • a hollow 111 capable of accommodating a bearing portion 121 to be described later is formed at a distal end of the support bar 110.
  • a locking portion 112 formed in a step shape is formed on an inner circumferential surface of the hollow 111.
  • the locking portion 112 supports one side of the bearing portion 121 positioned in the hollow and prevents the bearing portion 121 from being separated from the hollow 111 in one direction.
  • a bearing cover 116 covering the bearing portion 121 is provided so that the bearing portion 121 positioned inside the hollow 111 is not separated from the hollow in one direction and the opposite direction.
  • the bearing cover 116 is coupled to a surrounding of the hollow 111 at the distal end of the support bar 110.
  • the support bar 110 can prevent the bearing portion 121 from being separated from the hollow 111 in a direction of a rotation shaft 123 through the locking portion 112 and the bearing cover 116.
  • a stopper 113 interfering with a through pin 124 to be described later is provided around the hollow 111 of the support bar 110.
  • the stopper 113 may be provided at a position rotated by a predetermined angle with respect to the center of the hollow 111. Hence, the stopper 113 can rotate the through pin 124 so that the through pin 124 does not deviate from a preset rotation angle.
  • the stopper 113 incudes a plurality of pin accommodating grooves 114 that are accommodated to be recessed in the support bar 110 and are aligned around the bearing portion 121 at predetermined intervals, and an interference pin 115 that is accommodated in the plurality of pin accommodating grooves 114 and protrudes from the support bar 110.
  • the interference pin 115 is accommodated in one of the plurality of pin accommodating grooves 114 and rotates by an angle that is preset by the through pin 124.
  • the grasp portions 120 are a portion that contacts the wire W and grasps the wire W, and form a pair.
  • the grasp portion 120 is rotatably supported by each of the pair of support bars 110 and grasps the wire W by a mutual approach operation of the pair of support bars 110.
  • the grasp portion 120 can perform a relative rotation with respect to the support bar 110. Hence, when the support bar 110 rotates from the lower side of the core C to the upper side of the core C, sliding does not occur between the inner surface of the pair of grasp portions 120 and the wire W. As a result, the surface of the wire W is prevented from being damaged.
  • the grasp portion 120 includes the bearing portions 121 respectively provided at the distal ends of the pair of support bars 110, and a grasp plate 122 coupled to the bearing portion 121.
  • the bearing portion 121 is provided in the hollow formed at the distal end of the support bar 110 and is formed to rotate.
  • the grasp plate 122 may be formed in a disk shape to grasp the wire W, but is not limited thereto.
  • the grasp plate 122 may be formed in various shapes, if necessary or desired.
  • the grasp portion 120 may further include a rotating shaft 123 connecting the bearing portions 121 and the grasp plate 122.
  • the rotating shaft 123 passes through the bearing cover 116.
  • One end of the rotating shaft 123 is connected to the bearing portion121, and the other end is connected to the grasp plate 122.
  • the rotating shaft 123 may be coupled to the bearing portions 121 by a pair of fixing rings FR surrounding the rotating shaft 123.
  • the grasp portion 120 may further include the through pin 124 passing through the rotating shaft 123 in a direction intersecting a longitudinal direction of the rotating shaft 123.
  • the through pin 124 protrudes from an outer circumferential surface of the rotating shaft 123 and rotates together with the rotating shaft 123 and the grasp plate 122.
  • the stopper 113 interferes with the through pin 124, the through pin 124 stops its rotation and at the same time stops the rotation of the rotating shaft 123 and the grasp plate 122.
  • the through pin 124 rotates by a predetermined angle and then stops the rotation, and the rotating shaft 123 and the grasp plate 122 also rotate by a rotation angle of the through pin 124 and then stop the rotation.
  • the grasp portion 120 may further include an elastic member 125 elastically supporting the through pin 124 so that the grasp portion 120 returns to its original position when the pair of support bars 110 are spaced apart from each other.
  • One end of the elastic member 125 is connected to the through pin 124, and the other end is connected to the distal end of the support bar 110.
  • the elastic member 125 applies a rotational force to the through pin 124 so that the rotated through pin 124 returns to its original position.
  • the grasp portions 120 are respectively provided on the pair of support bars 110 and perform the relative rotation with respect to the support bars 110.
  • a grasp portion 120' may be fixed to the support bar 110.
  • the grasp portion 120' fixed to the support bar 110 includes a grasp plate 122', an insertion shaft 123' provided at the grasp plate 122', and a fixing ring FR fixing the insertion shaft 123' to the support bar 110. In this case, the grasp portion 120' does not perform the relative rotation with respect to the support bar 110.
  • FIG. 8 illustrates a winding process of the toroidal coil winding machine 1 illustrated in FIG. 1.
  • the wire W is arranged to extend from the core C to the hook 31.
  • the pair of winding arms 100 are spaced apart from each other and move to a position where the arranged wire W can be positioned between the pair of winding arms 100.
  • the pair of winding arms 100 approach each other, and accordingly, the grasp portions 120 grasp the wire W.
  • the support bar 110 While the winding arm 100 grasping the wire W rotates along the arrow to move to the upper side of the core C, the support bar 110 maintains an approximately horizontal state. In this instance, the grasp portion 120 performs the relative rotation with respect to the support bar 110, and thus the sliding does not occur between the grasp portion 120 and the wire W. As a result, a damage to the wire W is minimized.
  • the wire W rotates and is arranged in the vertical direction and then the horizontal direction, and then is arranged again in the vertical direction.
  • the grasp portion 120 is interfered with by the stopper 113 and does not rotate any more.
  • the winding arm 100 is positioned in an upper area of the core C while drawing a curved trajectory while advancing to cross the core C.
  • the grasp portion 120 grasps the wire W, the wire W can be wound in close contact with the core C.
  • the wire W is arranged such that a portion of the wire W grasped by the grasp portion 120 and an upper portion of the grasped portion continuously maintain the vertical direction.
  • a lower portion of the grasped portion of the wire W grasped by the grasp portion 120 is inclinedly disposed between an edge of the core C and the grasp portion 120.
  • the wire is bent between the grasped portion of the wire W grasped by the grasp portion 120 and the lower portion of the grasped portion of the wire W.
  • the advance of the winding arm 100 is adjusted so that a bent portion W1 of the wire W does not move to the outside beyond an edge of the hollow of the core C.
  • the winding arms 100 are spaced apart from each other.
  • the hook 31 pulls down the wire W so that the wire W passes through the hollow of the core C and moves to the lower side of the core C.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Coils Or Transformers For Communication (AREA)

Abstract

L'invention concerne une machine d'enroulement de bobine toroïdale. La machine d'enroulement de bobine toroïdale comprend une partie rotative de noyau tournant selon un angle prédéterminé tout en supportant un noyau toroïdal, un bras d'enroulement qui saisit un fil passant à travers un creux du noyau toroïdal, puis tire le fil d'un côté inférieur à un côté supérieur du noyau toroïdal, et enroule le fil sur une partie circonférentielle externe du noyau toroïdal, et un crochet qui est disposé à l'extérieur du noyau toroïdal, permet au fil, qui est tiré vers le haut du côté supérieur du noyau toroïdal par le bras d'enroulement, de passer à travers le creux du noyau toroïdal, et tire le fil vers le côté inférieur du noyau toroïdal. Le bras d'enroulement comprend une paire de barres de support formées pour se rapprocher l'une de l'autre et être espacées l'une de l'autre ; et une partie de préhension supportée de manière rotative par chacune de la paire de barres de support et saisissant le fil par une opération d'approche de la paire de barres de support.
PCT/KR2022/004320 2022-01-06 2022-03-28 Machine d'enroulement de bobine toroïdale WO2023132409A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020220001994A KR102590918B1 (ko) 2022-01-06 2022-01-06 토로이달 코어 권선장치
KR10-2022-0001994 2022-01-06

Publications (1)

Publication Number Publication Date
WO2023132409A1 true WO2023132409A1 (fr) 2023-07-13

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PCT/KR2022/004320 WO2023132409A1 (fr) 2022-01-06 2022-03-28 Machine d'enroulement de bobine toroïdale

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WO (1) WO2023132409A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030038204A1 (en) * 2001-08-24 2003-02-27 Harmonic Drive Systems, Inc. Toroidal core winding method and automatic winding apparatus
US20050082932A1 (en) * 2003-10-15 2005-04-21 Actown Electrocoil, Inc. Magnetic core winding method, apparatus, and product produced therefrom
KR100497479B1 (ko) * 2003-10-27 2005-07-01 전용성 토로이달 코일 권선기
JP2015050254A (ja) * 2013-08-30 2015-03-16 株式会社多賀製作所 トロイダル巻線装置
US20190115138A1 (en) * 2016-12-01 2019-04-18 Zhongshan Competent Automation Equipment Co.,Ltd. Automatic toroidal core winding machine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2630422B1 (fr) * 1988-04-25 1990-08-10 Aerospatiale Dispositif pour appliquer un enroulement filamentaire sur un support de forme quelconque et machine a bobiner universelle en comportant application
JP3399744B2 (ja) * 1996-06-10 2003-04-21 永田精機株式会社 トロイダルコアの巻線機
KR102028468B1 (ko) * 2019-07-15 2019-10-04 (주)디지탈맥스 코어 코일의 권선방법 및 이를 위한 권선장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030038204A1 (en) * 2001-08-24 2003-02-27 Harmonic Drive Systems, Inc. Toroidal core winding method and automatic winding apparatus
US20050082932A1 (en) * 2003-10-15 2005-04-21 Actown Electrocoil, Inc. Magnetic core winding method, apparatus, and product produced therefrom
KR100497479B1 (ko) * 2003-10-27 2005-07-01 전용성 토로이달 코일 권선기
JP2015050254A (ja) * 2013-08-30 2015-03-16 株式会社多賀製作所 トロイダル巻線装置
US20190115138A1 (en) * 2016-12-01 2019-04-18 Zhongshan Competent Automation Equipment Co.,Ltd. Automatic toroidal core winding machine

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KR20230106280A (ko) 2023-07-13
KR102590918B1 (ko) 2023-10-19

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