WO2016147745A1 - コイル巻線装置及びコイル製造方法 - Google Patents
コイル巻線装置及びコイル製造方法 Download PDFInfo
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- WO2016147745A1 WO2016147745A1 PCT/JP2016/053694 JP2016053694W WO2016147745A1 WO 2016147745 A1 WO2016147745 A1 WO 2016147745A1 JP 2016053694 W JP2016053694 W JP 2016053694W WO 2016147745 A1 WO2016147745 A1 WO 2016147745A1
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- wire
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- nozzle
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- 238000004804 winding Methods 0.000 title claims abstract description 102
- 238000000034 method Methods 0.000 title claims description 11
- 238000003860 storage Methods 0.000 claims abstract description 89
- 230000007246 mechanism Effects 0.000 claims abstract description 47
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 230000008878 coupling Effects 0.000 description 27
- 238000010168 coupling process Methods 0.000 description 27
- 238000005859 coupling reaction Methods 0.000 description 27
- 238000004891 communication Methods 0.000 description 15
- 230000008602 contraction Effects 0.000 description 9
- 238000003780 insertion Methods 0.000 description 8
- 230000037431 insertion Effects 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000012530 fluid Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000007787 solid Substances 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
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2847—Sheets; Strips
-
- 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
- H01F41/061—Winding flat conductive wires or sheets
-
- 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
- H01F41/064—Winding non-flat conductive wires, e.g. rods, cables or cords
-
- 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
- H01F41/082—Devices for guiding or positioning the winding material on the former
-
- 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
- H01F41/082—Devices for guiding or positioning the winding material on the former
- H01F41/088—Devices for guiding or positioning the winding material on the former using revolving flyers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49071—Electromagnet, transformer or inductor by winding or coiling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/5313—Means to assemble electrical device
- Y10T29/53143—Motor or generator
Definitions
- the present invention relates to a coil winding apparatus and a coil manufacturing method.
- alpha windings or also referred to as “outer and outer windings” wired in layers have become increasingly used.
- this alpha winding coil there is a two-row spiral coil having a first coil and a second coil wound in a spiral shape, and an inner connecting wire connecting the inner peripheral ends of the first and second coils.
- JPH10-154626A includes a first wheel and a second wheel that face each other with a gap corresponding to two wires and rotate around the core in opposite directions.
- a winding supply section that feeds the wire toward the guide groove or hole of one wheel, and a storage section that stores the wire in a wound state and feeds the wire toward the guide groove or hole of the second wheel; Have been proposed.
- an arbitrary position of the wire is set at the beginning of winding with respect to the outer periphery of the winding core, and the first and second wheels are rotated in opposite directions to each other, thereby extending the wire from the starting position to both sides.
- the first and second wheels are rotated in opposite directions to each other, thereby extending the wire from the starting position to both sides.
- a winding portion having two layers in the axial direction of the core is formed on the outer periphery of the core.
- the first and second wheels are rotated in opposite directions, and the wire fed from the wire supply unit is wound through the first wheel. Since the wire is wound around the core, there has been a problem that the wire fed from the wire supply section is wound around the core while being twisted.
- An object of the present invention is to provide a coil winding apparatus and a coil manufacturing method capable of winding a wire without twisting.
- a coil winding apparatus includes: a wire rod feeding machine that feeds a wire rod through a nozzle; a storage jig that stores the wire rod fed from the nozzle; and the wire rod is wound.
- a wound member, a wound member rotating mechanism for rotating the wound member and winding the wire fed from the nozzle around the wound member, and rotation of the wound member A storage jig turning mechanism that turns the storage jig about an axis and winds the wire fed from the storage jig around the wound member, and
- the rotation axis of the member and the storage central axis of the storage jig are orthogonal to each other.
- a method for manufacturing a coil includes a step of storing the wire fed from a nozzle in a storage jig, and rotating the member to be wound to feed the wire from the nozzle.
- FIG. 1 is a plan view showing a winding device according to an embodiment of the present invention.
- FIG. 2 is a view taken along line AA in FIG.
- FIG. 3 is an enlarged view of a portion B in FIG. 1 and shows a mounted state of the wound member in the wound member rotating mechanism.
- FIG. 4 is an exploded view of the wound member rotating mechanism.
- FIG. 5 is a view taken along the line CC of FIG. 1 and shows a storage jig rotating mechanism.
- FIG. 6 is a view seen from the direction D of FIG. 5, and shows a state where the lid of the storage jig is removed and the wire is stored in the plate-shaped main body.
- FIG. 7 is a top view showing a state where the wire between the storage jig and the nozzle has entered the member to be wound.
- FIG. 8 is a perspective view showing a state in which the wire between the wire storage jig and the nozzle has entered the member to be wound.
- FIG. 9 is a view showing a state where an alpha coil is obtained by winding a wire around a member to be wound.
- FIG. 10 is a cross-sectional view taken along the line EE of FIG. 9 and shows a cross section of the alpha coil.
- FIG. 1 shows a coil winding apparatus 20 according to an embodiment of the present invention.
- three axes X, Y, and Z orthogonal to each other are set, the X axis extends in a substantially horizontal front-rear direction, the Y axis extends in a substantially horizontal lateral direction, and the Z axis extends in a substantially vertical direction.
- the structure of will be described.
- the coil winding device 20 winds the wire 11 so that the winding start end and the winding end are wired in the same winding layer.
- the coil winding device 20 includes a wire rod feeder 50 provided on the gantry 19.
- the wire rod feeding machine 50 feeds the wire rod 11 through a nozzle 51, and includes a nozzle 51 through which the wire rod 11 is inserted, a nozzle moving mechanism 52 that moves the nozzle 51 in three axial directions, and tension to the wire rod 11. And a tension device 53 for performing.
- the nozzle 51 is fixed to the support plate 54, and the nozzle moving mechanism 52 moves the support plate 54 in the triaxial direction with respect to the gantry 19.
- the nozzle moving mechanism 52 is composed of a combination of X-axis, Y-axis, and Z-axis direction expansion / contraction actuators 56-58.
- the telescopic actuators 56 to 58 constituting the nozzle moving mechanism 52 are elongated box-shaped housings 56d to 58d and a ball screw 56b which is provided extending in the longitudinal direction inside the housings 56d to 58d and is rotationally driven by servo motors 56a to 58a. To 58b and followers 56c to 58c that are screwed into the ball screws 56b to 58b to move in parallel.
- the support plate 54 provided with the nozzle 51 is attached to the housing 56d of the X-axis direction extendable actuator 56 so as to be movable in the X-axis direction.
- the follower 56c of the X-axis direction expansion / contraction actuator 56 is attached to the follower 57c of the Z-axis direction expansion / contraction actuator 57 so that the support plate 54 can move in the Z-axis direction together with the X-axis direction expansion / contraction actuator 56.
- the housing 57d of the Z-axis direction expansion / contraction actuator 57 is attached to the follower 58c of the Y-axis direction expansion / contraction actuator 58 so that the support plate 54 can move in the Y-axis direction together with the X-axis and Y-axis direction expansion / contraction actuators 56, 57. .
- the housing 58 d of the Y-axis direction extendable actuator 58 extends in the Y-axis direction and is fixed to the gantry 19.
- the servo motors 56a to 58a in the telescopic actuators 56 to 58 are connected to a controller (not shown) that controls them.
- the tension device 53 is capable of applying tension to the fed wire 11 and pulling back the wire 11.
- the tension device 53 includes a casing 61 provided on the gantry 19 via a column 61 a (FIG. 2), and a drum 62 and a tension bar 63 provided on the top surface of the casing 61.
- the wire 11 is a flat wire having a rectangular cross-sectional shape. That is, the flat wire 11 has a cross-sectional shape including a pair of parallel long sides and a pair of parallel short sides. In the flat wire 11, a long side having a large dimension is defined as a width W, and a short side having a small dimension is defined as a thickness t (see FIG. 8). Thus, the flat wire 11 has a width W larger than the thickness t.
- the wire 11 is prepared by being wound around the drum 62 so as to be bent in the thickness t direction.
- a feeding control motor 64 that rotates the drum 62 around which the wire 11 is wound to feed the wire 11 is provided inside the casing 61.
- the wire 11 fed from the drum 62 is guided to a wire guide 63 a provided at the tip of the tension bar 63.
- the wire 11 guided to the wire guide 63a is wired through the nozzle 51 through the wire guide 63a.
- the tension bar 63 is rotatable about a rotation shaft 63b extending in the Z-axis direction at the base end.
- the rotation angle of the rotation shaft 63b is detected by a potentiometer 65 serving as a rotation angle detection means housed in the casing 61 and attached to the rotation shaft 63b.
- the detection output of the potentiometer 65 is input to a controller (not shown), and the control output from the controller is connected to the feeding control motor 64.
- a spring 66 which is an elastic member serving as an urging means for applying an urging force in the rotation direction of the tension bar 63, is attached to the mounting bracket. It is attached via 63c.
- the tension bar 63 is given an elastic force according to the rotation angle by a spring 66.
- the other end of the spring 66 is fixed to the moving member 67.
- the moving member 67 is screwed into the male screw 68a of the tension adjusting screw 68, and is configured to be movable and adjustable according to the rotation of the male screw 68a.
- a controller (not shown) controls the feeding control motor 64 so that the rotation angle detected by the potentiometer 65 becomes a predetermined angle. Therefore, in the tension device 53, tension is applied to the wire 11 by the spring 66 via the tension bar 63, and the drum 62 rotates so that the tension bar 63 has a predetermined angle, and a predetermined amount of the wire 11 is fed out. . Therefore, the tension of the wire 11 is maintained at a predetermined value.
- the support plate 54 provided with the nozzle 51 prohibits the movement of the wire 11 passing through the nozzle 51 by gripping the wire 11 with the gripping pieces 59a and 60a.
- a movable gripping device 59 and a fixed gripping device 60 that allow the wire 11 to move by separating the gripping pieces 59 a and 60 a from the wire 11 are provided.
- the fixed gripping device 60 is directly attached to the support plate 54.
- the movable gripping device 59 is attached to the support plate 54 via an expansion / contraction actuator 69 that moves the gripping piece 59a with respect to the support plate 54 in the X-axis direction.
- the telescopic actuator 69 has the same structure as the X-axis direction telescopic actuator 56 described above.
- a movable gripping device 59 is attached to a follower 69c that moves in the longitudinal direction of the housing 69d by a ball screw 69b as the servomotor 69a rotates. Therefore, in a state where the fixed gripping device 60 opens the gripping piece 60a and allows the wire 11 to move, the telescopic actuator 69 moves the movable gripping device 59 with the gripping piece 59a gripping the wire 11 toward the nozzle 51. By moving the length, the wire 11 is fed out from the nozzle 51 by a predetermined length.
- the movable gripping devices 59 and 60 are configured to be moved together with the nozzle 51 by the nozzle moving mechanism 52 and to be controlled by a controller (not shown).
- the coil winding apparatus 20 includes a storage jig 30 that stores the wire 11 fed from the nozzle 51 of the wire feeding machine 50 in a spiral shape by curving or winding the wire 11.
- the storage jig 30 includes a thick plate-shaped main body 31 and a cover plate 32 that covers and seals one surface of the plate-shaped main body 31.
- the cover plate 32 on one side of the plate-like main body 31 covered with the cover plate 32, there are a circumferential groove 31 a continuous in the circumferential direction, and smooth from the outer periphery of the circumferential groove 31 a toward the side edge of the plate-like main body 31.
- a communication groove 31b that opens to the side edge thereof.
- Reference numeral 31 c indicates a female screw hole 31 c for attaching the lid plate 32 to the plate-like main body 31.
- the wire 11 When the wire 11 is made to enter from the opening end of the communication groove 31b opened to the side edge of the plate-shaped main body 31, the wire 11 reaches the circumferential groove 31a from the communication groove 31b and is guided to the outer periphery of the circumferential groove 31a to bend. That is, the wire 11 is curved in the thickness t direction.
- the wire 11 When the wire 11 reaches the entire circumference of the circumferential groove 31a, the wire 11 is spirally stored in the circumferential groove 31a. That is, by winding the wire 11 for one turn or more, the wire 11 is wound in the thickness t direction and stored in a spiral shape. For this reason, the central axis C of the circumferential groove 31 a coincides with the storage center axis C of the storage jig 30.
- the circumferential groove 31 a and the communication groove 31 b are formed deeper than the width W of the wire 11.
- the coil winding device 20 is fed from the nozzle 51 by rotating the wound member 22 around which the wire 11 fed from the nozzle 51 is wound, and the wound member 22.
- a wound member rotating mechanism 21 as a wound member rotating means for winding the wire 11 around the wound member 22.
- the member to be wound 22 includes a cylindrical winding drum portion 22a, and three disc-shaped flanges 22b, 22c, and 22d formed around the winding drum portion 22a. .
- the three disc-shaped flanges 22 b, 22 c, and 22 d are formed with a gap corresponding to the thickness t of the wire 11.
- a cutout 22e through which the wire 11 communicates is formed in the intermediate flange 22c.
- the winding member rotating mechanism 21 includes a servo motor 23, a motor moving mechanism 33 that moves the servo motor 23 in three axial directions, and a rotating shaft 23 a of the servo motor 23 that has a base end coaxially provided.
- a first rotating body 24 having a locking mechanism 26 provided at the distal end thereof, and a member 22 to be wound around which the wire 11 is wound is clamped together with the first rotating body 24 so as to be detachable from the distal end of the first rotating body 24.
- presser tool 25 to be provided.
- the presser 25 is attached to the coupling shaft 25 a whose tip is locked to the lock mechanism 26, and the base end of the coupling shaft 25 a, and is attached to the tip of the first rotating body 24.
- a presser plate 25b that presses one flange 22b of the member to be wound 22 from the outside in a mounted state.
- the coupling shaft 25a is formed in a cylindrical shape having an outer diameter slightly smaller than the inner diameter of the cylindrical body 22a of the wound member 22, and its length is longer than the entire length of the cylindrical body 22a. It is formed.
- An annular groove 25c is formed around the tip of the coupling shaft 25a.
- the holding plate 25b is formed to have an outer diameter similar to the outer diameter of one flange 22b of the member to be wound 22.
- a locking mechanism 26 provided at the tip of the first rotating body 24 is drilled along the axis at the tip of the first rotating body 24, and a coupling hole 26a into which the coupling shaft 25a of the presser 25 can be inserted;
- An operation member 26d that is inserted into the one rotating body 24 and moves in the axial direction to insert or remove the sphere 26c into or from the annular groove 25c, and a spring 26e that biases the operation member 26d in a direction to insert the sphere 26c into the annular groove 25c. And comprising.
- a slit 22f extending in the axial direction from the end of the winding body 22a is formed, and a protrusion 24a that can enter the slit 22f is formed on the first rotating body 24. For this reason, when the tip of the coupling shaft 25a inserted through the winding body 22a of the member to be wound 22 is inserted into the coupling hole 26a and the presser 25 is attached to the first rotating body 24, it protrudes into the slit 22f. The part 24a enters, and the rotation of the wound member 22 relative to the first rotating body 24 is prohibited.
- the servo motor 23 is attached to a mounting base 27, and the motor moving mechanism 33 moves the mounting base 27 in three axial directions.
- An operation cylinder 28 for operating the lock mechanism 26 is attached to the mount 27.
- An engagement member 28 b that engages with the operation member 26 d of the lock mechanism 26 is attached to the rod 28 a of the operation cylinder 28.
- the presser 25 is detachably attached to the first rotating body 24 attached to the servo motor 23 as a drive source by the lock mechanism 26.
- the presser 25 connected to the first rotating body 24 is configured to be capable of both normal rotation and reverse rotation about the Y axis by the servomotor 23.
- the wound member 22 attached to the tip of the first rotating body 24 by the presser 25 is configured to wind up the wire 11 fed from the wire feeder 50 by rotating forward.
- the mounting base 27 to which the servomotor 23 is attached is attached to the gantry 19 via the motor moving mechanism 33 so as to be movable in three axis directions.
- the motor moving mechanism 33 is configured by a combination of X-axis, Y-axis, and Z-axis direction extendable actuators 34 to 36. Since the motor moving mechanism 33 including the X-axis, Y-axis, and Z-axis direction expansion / contraction actuators 34 to 36 has the same structure as the nozzle movement mechanism 52 described above, repeated description is omitted.
- the coil winding device 20 rotates the storage jig 30 as a storage jig rotating means for rotating the storage jig 30 and winding the wire 11 fed from the storage jig 30 around the member to be wound 22.
- a mechanism 40 is further provided.
- tool 30 is provided in the mount frame 19 via the 2nd rotary body 41 is illustrated.
- a support wall 42 is erected on the gantry 19, and the second rotating body 41 extends in the Y-axis direction and is rotatably provided on the support wall 42.
- a servo motor 43 that rotates the second rotating body 41 is attached to the support wall 42.
- Pulleys 44a and 44b are provided on the rotating shaft 43a of the second rotating body 41 and the servo motor 43, respectively, and a belt 44c is installed on the pulleys 44a and 44b.
- a support member 46 orthogonal to the second rotator 41 is provided at the tip of the second rotator 41.
- the support member 46 is provided with a base end of a support parallel bar 47 parallel to the rotation axis of the second rotating body 41 so as to be offset from the rotation axis.
- the support parallel bar 47 is provided with a rail 47a parallel to the rotation center axis M of the second rotating body 41, and the plate-like main body 31 of the storage jig 30 moves to the rail 47a.
- the storage jig 30 is attached to the support parallel bar 47 so as to be displaced from the rotation center axis M of the second rotating body 41 and to be movable in the Y-axis direction on the outer side of the support parallel bar 47 in the radial direction of rotation.
- the storage jig 30 is attached so that the storage center axis C is orthogonal to the rotation center axis M of the second rotating body 41. That is, the storage jig 30 is perpendicular to the rotation center axis M of the second rotating body 41 and in a virtual plane including the storage center axis C of the storage jig 30, the storage center axis of the storage jig 30. C is attached so as to be a tangent to a virtual circle centered on the rotation center axis M of the second rotating body 41. In other words, the storage jig 30 is attached to the support parallel bar 47 so that the storage center axis C of the storage jig 30 is orthogonal to the virtual plane including the rotation center axis M of the second rotating body 41. .
- the storage jig 30 is attached to the rail 47a so as to be movable in parallel with the rotation center axis M so that the open end of the communication groove 31b faces the insertion hole 47b and the rotation center axis M of the second rotating body 41.
- the support member 46 is provided with a coil spring 48 that urges the storage jig 30 toward the support member 46 so as to shift the open end of the communication groove 31b from the insertion hole 47b.
- a hydraulic cylinder that moves the storage jig 30 away from the support member 46 and moves the open end of the communication groove 31 b to coincide with the insertion hole 47 b against the urging force of the coil spring 48. 49 is provided.
- the coil manufacturing method includes a storage process for storing the wire 11 and a coil formation process for forming the coil 17.
- the wire 11 fed from the nozzle 51 is stored in the storage jig 30.
- the member to be wound 22 is rotated to wind the wire 11 fed from the nozzle 51 around the member to be wound 22 and to store the wire around the rotation axis N of the member to be wound 22.
- the coil 17 is formed by turning the tool 30 and winding the wire 11 fed from the storage jig 30 around the member to be wound 22.
- the storage wire in the storage jig 30 is spirally wound by feeding out the rectangular wire 11 having a rectangular cross section through the nozzle 51 and curving the rectangular wire 11 in the thickness t direction or winding the rectangular wire 11 in the thickness t direction. It is done by winding in a shape.
- the wire 11 is prepared by being wound around a drum 62 so as to bend in the thickness t direction, and the drum 62 is provided in the wire feeder 50.
- the wire 11 fed from the drum 62 is guided to a wire guide 63a provided at the tip of the tension bar 63, and wired so as to pass through the nozzle 51 from the wire guide 63a.
- the wire 11 between the wire guide 63 a and the nozzle 51 thus wired is gripped by the movable gripping device 59 and the fixed gripping device 60 in the vicinity of the nozzle 51, and the movement is prohibited. .
- the nozzle 51 is moved together with the movable gripping device 59 and the fixed gripping device 60 by the nozzle moving mechanism 52, and the tip of the nozzle 51 is moved to the open end of the communication groove 31b of the storage jig 30 as shown in FIG. Opposite to.
- the rod 49a of the fluid pressure cylinder 49 is protruded and the storage jig 30 is moved away from the support member 46 against the biasing force of the coil spring 48, and the open end of the communication groove 31b is inserted into the insertion hole 47b.
- the movable gripping device 59 that grips the wire 11 with the gripping piece 59a in a state where the gripping piece 60a of the fixed gripping device 60 shown in FIG. As indicated by the arrow, the nozzle 51 is moved by a predetermined length. Then, the wire 11 gripped by the movable gripping device 59 is fed out from the nozzle 51 by a predetermined length.
- the wire 11 fed from the nozzle 51 enters the open end of the communication groove 31 b in the storage jig 30.
- the wire 11 reaches the circumferential groove 31a from the communication groove 31b, is guided by the outer periphery of the circumferential groove 31a, and is curved. Since a rectangular wire is used as the wire 11, the wire 11 is guided by the outer periphery of the circumferential groove 31 a and curved in the thickness t direction, and is wound and stored in the circumferential groove 31 a in a spiral shape.
- the wire 11 stores a length necessary for forming one first coil 17a (FIG. 10) constituting the alpha winding coil 17 to be obtained.
- the wire 11 fed from the nozzle 51 is curved and stored, or wound in a spiral shape and stored, so that the stored wire 11 is twisted. There is no.
- the movable gripping device 59 shown in FIG. 2 When the movable gripping device 59 shown in FIG. 2 does not reach the required length of the wire 11 only by moving once toward the nozzle 51, the movable gripping device 59 is reciprocated to move the wire 11 to the nozzle 51. It goes out sequentially from. Specifically, when the movable gripping device 59 moves and reaches the vicinity of the nozzle 51, the movement is stopped, the fixed gripping device 60 grips the wire 11, and the movement of the wire 11 is temporarily prohibited. In this state, the gripping piece 59a of the movable gripping device 59 is opened to allow the wire 11 to move, and in this state, the movable gripping device 59 is moved away from the nozzle 51 as shown by a one-dot chain line arrow.
- the gripping piece 59a of the movable gripping device 59 is closed again to grip the wire 11, and the gripping piece 60a of the fixed gripping device 60 is opened again to allow the movement of the wire 11.
- the movable gripping device 59 indicated by a one-dot chain line that grips the wire 11 with the gripping piece 59 a is moved again to the nozzle 51 by a predetermined length by the telescopic actuator 69.
- the wire 11 gripped by the movable gripping device 59 is fed out from the nozzle 51 again.
- the movable gripping device 59 is reciprocated to sequentially feed the wire 11 from the nozzle 51 and store the wire 11 having a required length in the wire storing jig 30.
- the rod 28a of the operation cylinder 28 (FIG. 1) is immersed and operated against the urging force of the spring 26e as shown in FIG.
- the member 26d is retracted.
- the coupling shaft 25a of the presser 25 is inserted into the winding body 22a of the member to be wound 22, and the tip of the coupling shaft 25a protruding from the winding body 22a is inserted into the coupling hole 26a.
- the rod 28a of the operating cylinder 28 protrudes with the coupling shaft 25a inserted into the coupling hole 26a, and the operating member 26d is advanced again as shown in FIG. Press on.
- the coupling shaft 25a is prevented from coming out of the coupling hole 26a, and the member to be wound 22 is attached to the tip of the first rotating body 24.
- the protrusion 24a of the first rotating body 24 is caused to enter the slit 22f of the winding body 22a, and the rotation of the member to be wound 22 relative to the first rotating body 24 is restricted.
- the nozzle 51 is moved by the nozzle moving mechanism 52, and the nozzle 51 is separated from the wire storing jig 30.
- the member to be wound 22 is moved together with the member to be wound rotating mechanism 21 by the motor moving mechanism 33, and the wire 11 between the storage jig 30 and the nozzle 51 is wound as shown in FIG. It inserts into the notch 22e formed in the intermediate flange 22c of the member 22, and makes it contact with the winding drum part 22a.
- the wire 11 extending from the storage jig 30 enters the gap between the distal end side flange 22 b and the intermediate flange 22 c of the member to be wound 22, and the wire 11 extending from the nozzle 51 is moved to the winding member 22. It is made to enter the gap between the proximal end side flange 22d and the intermediate flange 22c.
- the member to be wound 22 is moved by the motor moving mechanism 33 so that the center axis N of the member to be wound 22 coincides with the rotation center axis M of the second rotating body 41.
- the rod 49a of the fluid pressure cylinder 49 is immersed, and the storage jig 30 is pulled toward the support member 46 by the coil spring 48, and the open end of the communication groove 31b is biased so as to shift from the insertion hole 47b.
- the wire 11 passing through both the communication groove 31b and the insertion hole 47b is sandwiched, and a constant tension is applied to the wire 11.
- the member to be wound 22 is rotated by the member to be wound member rotating mechanism 21 as indicated by the dashed arrow, and the wire storing jig 30 is wound by the wire storing jig rotating mechanism 40.
- the member 22 is swung around the member 22 as indicated by a solid arrow at a speed twice the rotational speed of the member to be wound 22.
- the wire rod 11 stored in the wire storage jig 30 is stored by rotating the wire storage jig 30 around the wire wound member 22 at a speed twice the rotation speed of the wire wound member 22. It is fed out from the wire jig 30 and wound around the gap between the front end side flange 22b and the intermediate flange 22c in the winding body 22a. Thereby, the 1st coil 17a which consists of the wire 11 wound by the clearance gap between the front end side flange 22b and the intermediate
- drum 22a is formed (FIG. 10).
- the rotation axis M of the storage jig rotation mechanism 40 and the storage center axis C of the storage jig 30 orthogonal to each other is the rectangular wire 11 curved and stored in the thickness t direction? Or it is wound up and accumulated in the thickness t direction. For this reason, even if the storage jig 30 is turned by the storage jig rotation mechanism 40 and the wire 11 fed from the storage jig 30 is wound around the member to be wound 22, the storage jig 30 The fed wire 11 is not twisted. Further, by turning the storage jig 30 by the storage jig rotating mechanism 40 and winding the wire 11 fed from the storage jig 30 around the member to be wound 22, as shown in FIG. The wire 11 can be bent in the width direction and wound around the winding body 22 a of the member to be wound 22.
- the first coil is formed by all the wire rods 11 drawn from the wire storing jig 30. 17a is formed. For this reason, when the 1st coil 17a is formed, the edge part of the wire 11 will come out of the storage jig
- the tension applied to the wire 11 is applied by the force of clamping the wire 11 passing through both the communication groove 31b and the insertion hole 47b by the coil spring 48. Therefore, in the formation of the first coil 17a, the tension of the wire 11 is maintained at a predetermined value, and a difference in the degree of adhesion between the layers of the wire 11 in the first coil 17a is prevented.
- the member to be wound 22 is rotated, and the wire 11 newly fed out from the nozzle 51 is placed in the gap between the proximal flange 22d and the intermediate flange 22c in the winding body 22a. Wrap.
- the other second coil 17b made of the wire 11 is newly drawn from the nozzle 51 and wound around the gap between the intermediate flange 22c and the proximal end flange 22d in the winding body portion 22a ( FIG. 10).
- the tension device 53 tension is applied to the wire 11 by a spring 66 via a tension bar 63. Therefore, in the formation of the second coil 17b, the tension of the wire 11 is maintained at a predetermined value, and a difference in the degree of adhesion between the layers of the wire 11 in the second coil 17b is prevented.
- the wire 11 fed from the wire feeder 50 is wound around the wound member 22 rotated by the wound member rotating mechanism 21, so that the wire 11 is fed from the wire feeder 50.
- the wire 11 to be used is not twisted.
- the winding around the winding member 22 by the winding member rotating mechanism 21 is bent in the width W direction of the wire 11 as shown in FIG. can do.
- a coil 17 shown in FIG. 10 is formed in which the first coil 17a and the second coil 17b are connected by the inner connecting wire 17c.
- the first coil 17a and the second coil 17b shown in FIG. 10 exemplify those in which the flat wire 11 is curved and wound in the width direction and wound around the 3-turn body 22a.
- the coil 17 formed in the to-be-wound member 22 is the winding end wire rod 11a drawn from the storage jig 30 and the end of the winding that has been drawn from the nozzle 51 and wound around the to-be-wound member 22.
- Both of the wire rods 11b (FIG. 9) become the alpha winding coil 17 located on the outermost periphery.
- the wire 11 is gripped by the gripping piece 60a of the fixed gripping device 60 to prevent the wire 11 from being fed from the wire feeder 50.
- the wire 11 extending from the second coil 17b to the nozzle 51 is cut by a cutter device (not shown). Thereby, the alpha winding coil 17 formed on the member to be wound 22 can be made independent.
- the holding plate 25 b of the holding tool 25 sandwiches the wound member 22 together with the first rotating body 24, so that the wound member 22 is made of a flexible resin.
- the flanges 22b, 22c, and 22d of the member to be wound 22 are 11 is not deformed by the force of shifting.
- the winding start end 11a and the winding end 11b are wired in the same winding layer, and the winding width is relatively small. 17 can be obtained. Moreover, the rate which the wire 11 occupies in the obtained coil 17 can be improved.
- the nozzle moving mechanism 52 and the motor moving mechanism 33 configured by a combination of the X-axis, Y-axis, and Z-axis direction extendable actuators have been described.
- these moving mechanisms are not limited to this structure, and other types may be used as long as the nozzle 51 and the mounting base 27 are movable in the three-axis directions with respect to the gantry 19.
- the case where the member to be wound 22 is rotated and the storage jig 30 is swung around the member to be wound 22 at a double speed has been described.
- the member to be wound 22 and the storage jig 30 are rotated at the same speed, and the wire 11 fed from the nozzle 51 is spirally wound to form the second coil, and before or after that, the rotation is performed.
- only the storage jig 30 may be turned around the stopped member 22 to be wound, and the wire 11 fed from the storage jig 30 may be spirally wound to form the first coil.
- the coil 17 shown in FIG. 10 in which the first coil 17a and the second coil 17b made of the wire 11 wound in a spiral shape are connected by the inner connecting wire 17c can be obtained.
- the configuration in which the wound member 22 is formed with the three disc-shaped flanges 22b, 22c, and 22d around the winding body portion 22a has been described.
- the wound member 22 without the intermediate flange 22c may be used.
- the member to be wound may be a rod-shaped member. After the alpha winding coil 17 is obtained, the rod-shaped member to be wound is extracted from the coil 17 and the so-called air-core alpha winding is provided. The coil 17 may be obtained.
- the tension device 53 in the wire feeder 50 applies a certain tension to the wire 11 fed from the nozzle 51 by the spring 66, and the open end of the communication groove 31b is inserted into the insertion hole 47b by the coil spring 48.
- a case has been described in which the wire 11 is sandwiched by shifting the wire 11 and a certain tension is applied to the wire 11 fed from the wire storage jig 30.
- the structure is not limited to those of these structures.
- the tension device 53 may include a fluid pressure cylinder or a coil spring that moves the drum 62 directly to apply a certain tension to the wire 11.
- the wire 11 is a flat wire having a rectangular cross-sectional shape.
- the wire 11 may be a so-called square wire having a square cross-sectional shape or a so-called round wire having a circular cross-sectional shape.
- the wire 11 fed from the nozzle 51 is curved and accumulated in the thickness t direction, or is wound and accumulated in the thickness t direction. For this reason, the wire 11 is not twisted during storage.
- the wire 11 fed from the wire feeding machine 50 is wound around the wound member 22 rotated by the wound member rotating mechanism 21, so that the wire fed from the wire feeding machine 50 is wound. 11 is not twisted.
- the storage jig 30 is rotated by the storage jig rotating mechanism 40 and the wire 11 fed from the storage jig 30 is wound around the member to be wound 22. The wire 11 is not twisted. In this way, the wire 11 is wound around the member to be wound 22 without being twisted.
- the rectangular wire 11 having a rectangular cross-sectional shape is wound in the width direction W and wound. It can be turned. Further, by forming the coil 17 in this way, it is possible to obtain a relatively thin coil 17 in which the winding start end and the winding end are wired in the same winding layer and the winding width is small. Therefore, the rate occupied by the wire 11 in the coil 17 can be improved.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Coil Winding Methods And Apparatuses (AREA)
- Manufacture Of Motors, Generators (AREA)
- Wire Processing (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
Description
蓄線治具30における蓄線は、ノズル51を通じて断面形状が長方形の平角線材11を繰出し、厚さt方向に平角線材11を湾曲させるか又は厚さt方向に平角線材11を巻き重ねて渦巻き状に巻回することによって行われる。
コイル形成工程では、ノズル51から繰出される平角線材11を、被巻線部材22に、平角線材11の幅W方向に巻回してコイル17を形成する。
Claims (4)
- ノズルを通じて線材を繰出す線材繰出機と、
前記ノズルから繰出される前記線材を蓄線する蓄線治具と、
前記線材が巻回される被巻線部材と、
前記被巻線部材を回転させて、前記ノズルから繰出される前記線材を前記被巻線部材へ巻回する被巻線部材回転機構と、
前記被巻線部材の回転軸を中心に前記蓄線治具を旋回させて、前記蓄線治具から繰出される前記線材を前記被巻線部材に巻回する蓄線治具旋回機構と、
を備え、
前記被巻線部材の回転軸と前記蓄線治具の蓄線中心軸とは互いに直交する
コイル巻線装置。 - 請求項1に記載のコイル巻線装置であって、
前記線材は、断面形状が長方形の平角線材であって、
前記蓄線治具の蓄線は、厚さ方向に前記平角線材を湾曲させるか又は厚さ方向に前記平角線材を巻き重ねて巻回することによって行われ、
前記被巻線部材への前記線材の巻回は、前記平角線材の幅方向に巻き重ねられる
コイル巻線装置。 - ノズルから繰出される線材を蓄線治具に蓄線する工程と、
被巻線部材を回転させて、前記ノズルから繰出される前記線材を前記被巻線部材へ巻回する工程と、
前記被巻線部材の回転軸を中心に前記蓄線治具を旋回させて、前記蓄線治具から繰出される前記線材を前記被巻線部材に巻回する工程と、
を備え、
前記被巻線部材の回転軸と前記蓄線治具の蓄線中心軸とは互いに直交する
コイル製造方法。 - 請求項3に記載のコイル製造方法であって、
前記線材は、断面形状が長方形の平角線材であって、
前記蓄線治具の蓄線は、厚さ方向に前記平角線材を湾曲させるか又は厚さ方向に前記平角線材を巻き重ねて巻回することによって行われ、
前記被巻線部材への前記線材の巻回は、前記平角線材の幅方向に巻き重ねられる
コイル製造方法。
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US15/556,213 US10580572B2 (en) | 2015-03-19 | 2016-02-08 | Coil winding device and method for manufacturing coil |
DE112016001277.2T DE112016001277T5 (de) | 2015-03-19 | 2016-02-08 | Spulenwickelvorrichtung und verfahren zur herstellung einer spule |
KR1020177023617A KR101934053B1 (ko) | 2015-03-19 | 2016-02-08 | 코일 권선 장치 및 코일 제조 방법 |
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CN110911158A (zh) * | 2019-12-25 | 2020-03-24 | 深圳市斯比特电子有限公司 | 绞合线防打结装置 |
CN112908680A (zh) * | 2021-01-22 | 2021-06-04 | 东莞市技立自动化科技有限公司 | 变压器线圈绕线分离方法 |
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CN105761927B (zh) * | 2014-12-15 | 2017-11-07 | 深圳市有钢机电设备有限公司 | 绕线机及绕线方法 |
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CN112653972B (zh) * | 2020-12-25 | 2022-01-07 | 瑞声光电科技(常州)有限公司 | 音圈绕制方法 |
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