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EP-4742286-A1 - COIL WINDING DEVICE AND WINDING METHOD

EP4742286A1EP 4742286 A1EP4742286 A1EP 4742286A1EP-4742286-A1

Abstract

The present invention provides a coil winding device and a winding method. The device comprises a bending mechanism, a winding support, and an adjustment mechanism. The bending mechanism is used for bending a wire so as to obtain a coil forming a winding, and a discharge port of the bending mechanism is arranged facing downward. The winding support is used for bearing the winding bent by the bending mechanism, and the winding support comprises a winding plate and a winding fixed base. The adjustment mechanism is used for adjusting the position of the wire in the winding support, and the adjustment mechanism comprises a clamping arm and a clamping member fixed to the clamping arm and used for gripping the winding. The bending mechanism can sequentially bend a wire according to a predetermined path, thereby forming each layer of coil of the winding. Once the bending mechanism has completed winding of a coil, the adjustment mechanism can adjust the position of the wire in the winding support, so that when a coil of the next winding is wound, the previously wound winding does not interfere with same, ensuring the winding quality of each winding while achieving automated winding.

Inventors

  • WANG, Shaojian
  • SONG, BO
  • PAN, Lu
  • SU, ZHENGJUN

Assignees

  • Zhejiang Pangood Power Technology Co., Ltd.

Dates

Publication Date
20260513
Application Date
20240820

Claims (18)

  1. A coil winding apparatus, characterized by comprising: a bending mechanism (300) configured for bending a wire (2000) to obtain a coil (210) forming a winding (200) and having a discharge port that faces downwards; a winding carrier (100) configured for supporting the winding (200) bent by the bending mechanism (300) and comprising a winding tray (110) and a winding fixing seat (121); and an adjustment mechanism (400) configured for adjusting a position of the wire (2000) in the winding carrier (100) and comprising a clamping arm (430) and a clamping member (410) that is fixed to the clamping arm (430) and configured for gripping the winding (200).
  2. The coil winding apparatus according to claim 1, further comprising: a carrier movement assembly (500) for installing the winding carrier (100) and driving the winding carrier (100) to translate and rotate, wherein the carrier movement assembly (500) comprises a translation assembly (510) and a rotation assembly (520), the translation assembly (510) is configured for driving the winding carrier (100) to move in X, Y, and Z directions, and the rotation assembly (520) is configured for driving the winding carrier (100) to rotate about the Z-axis.
  3. The coil winding apparatus according to claim 1, wherein the winding tray (110) is provided with a wire supporting plane (110a), and the overall height of the winding fixing seat (121) is lower than the wire supporting plane (110a).
  4. The coil winding apparatus according to claim 1, wherein the number of winding fixing seats (121) is more than one, and horizontal heights of the more than one winding fixing seats (121) decrease stepwise from a first of the winding fixing seats (121) to a last of the winding fixing seats (121), and the first of the winding fixing seats (121) is adjacent to the winding tray (110).
  5. The coil winding apparatus according to claim 1 or claim 4, wherein the winding carrier (100) further comprises a baseplate (140) for mounting and fixing the winding tray (110) and the winding fixing seat (121), and the winding tray (110) and the winding fixing seat (121) are circumferentially arranged around a virtual center line (1000) and are fixed on the baseplate (140).
  6. The coil winding apparatus according to claim 5, wherein the winding tray (110) and a plurality of fixing seat bottom plates (122) are sequentially arranged from top to bottom and circumferentially arranged around the virtual center line (1000), and spirally arranged in a stepped manner.
  7. The coil winding apparatus according to claim 5, wherein the winding tray (110) comprises a tray horizontal plate (111); the winding fixing seat (121) comprises a fixing seat bottom plate (122), a circumferential stopper (131) and a radial stopper (132); the circumferential stopper (131) is arranged on a side surface of the fixing seat bottom plate (122) along a circumferential direction around the virtual center line (1000), and the radial stopper (132) is arranged on an outer side surface of the fixing seat bottom plate (122) along a radial direction about the virtual center line (1000); and any point of the fixing seat bottom plate (122), the circumferential stopper (131) and the radial stopper (132) is lower than a horizontal height of an upper end plane of the tray horizontal plate (111).
  8. The coil winding apparatus according to claim 7, wherein the winding tray (110) further comprises a tray vertical plate (112) that supports and connects the tray horizontal plate (111); and the winding fixing seat (121) further comprises a fixing vertical plate (1202) that supports and connects the fixing seat bottom plate (122).
  9. The coil winding apparatus according to claim 7, wherein the winding fixing seat (121) is provided with an adjusting hole (1200), and the circumferential stopper (131) is slidable in the adjusting hole (1200).
  10. The coil winding apparatus according to claim 5, wherein the clamping member (410) is configured to be insertable into the coil (210) and capable of performing expansion and contraction actions, wherein the clamping member (410) closely abuts against an inner side of the coil (210) when the clamping member (410) expands.
  11. The coil winding apparatus according to claim 10, wherein the adjustment mechanism (400) further comprises a clamping member mounting disc (440), the number of clamping members (410) is more than one, and the more than one clamping members (410) are mounted on the clamping member mounting disc (440); and horizontal heights of bottom surfaces of the clamping members (410) decrease stepwise from a first of the clamping members (410) to a last of the clamping members (410), so that heights of the clamping members (410) correspond to heights of the winding tray (110) and the winding fixing seat (121).
  12. The coil winding apparatus according to claim 11, wherein the clamping members (410) are circumferentially arranged and correspond to a circumferential arrangement of the winding tray (110) and a plurality of windings (200).
  13. The coil winding apparatus according to claim 2, wherein the translation assembly (510) comprises a carrier X-direction moving part (511), a carrier Y-direction moving part (512) and a carrier Z-direction moving part (513); and the carrier Z-direction moving part (513) is connected to the carrier X-direction moving part (511) and is capable of driving the carrier X-direction moving part (511) to move in the Z-direction, the carrier X-direction moving part (511) is connected to the carrier Y-direction moving part (512) and is capable of driving the carrier Y-direction moving part (512) to move in the X-direction, and the carrier Y-direction moving part (512) is connected to the winding carrier (100) and is capable of driving the winding carrier (100) to move in the Y-direction.
  14. The coil winding apparatus according to claim 2, wherein the rotation assembly (520) comprises a base (521), a rotation seat (522) and a rotation motor (523), the rotation seat (522) is rotatably mounted on the base (521), the rotation motor (523) drives the rotation seat (523) to rotate, the base (521) is mounted on the translation assembly (510), and the winding carrier (100) is mounted on the rotation seat (522).
  15. The coil winding apparatus according to claim 1, wherein the clamping arm (430) comprises a clamping X-direction moving part (431), a clamping Y-direction moving part (432) and a clamping Z-direction moving part (433); and the clamping Y-direction moving part (432) is connected to the clamping X-direction moving part (431) and is capable of driving the clamping X-direction moving part to move in the Y direction, the clamping X-direction moving part (431) is connected to the clamping Z-direction moving part (433) and is capable of driving the clamping Z-direction moving part (433) to move in the X-direction, and the clamping Z-direction moving part (433) is connected to the clamping member (410) and is capable of driving the clamping member (410) to move in the Z-direction.
  16. The coil winding apparatus according to claim 1, further comprising: a wire feeding mechanism (600), which is arranged on one side of the bending mechanism (300) and configured for feeding the wire (2000) to the bending mechanism (300).
  17. A coil winding method, characterized by comprising: step 10) for winding a coil (210): bending a wire (2000) through a bending mechanism (300) to obtain the coil (210); step 20) for reserving a jumper-wire intermediate body (221): reserving the jumper-wire intermediate body (221) on one side of the coil (210) that has been wound, through the bending mechanism (300); step 30) repeating the steps 10) and 20) to obtain a structure in which a plurality of coils (210) are connected to each other through the jumper-wire intermediate body (221); and step 40) for shaping a jumper-wire (220): deforming the jumper-wire intermediate body (221) such that end faces of two sides of the plurality of coils (210) are flush.
  18. The coil winding method according to claim 17, further comprising: step 25) for adjusting positions of the coil (210) and the jumper-wire intermediate body (221): adjusting the positions of the coil (210) and the jumper-wire intermediate body (221) on the winding carrier (100) through an adjustment mechanism (400) before repeating the step 10).

Description

FIELD The present application relates to the technical field of winding, and in particular, to a coil winding apparatus and a coil winding method. BACKGROUND CN211830375U provides a winding structure including multiple winding coils arranged in a circumferential direction, where adjacent winding coils are connected by a jumper wire. The winding structure is integrally formed by winding copper wire and requires that each of the winding coils be kept at the same horizontal position so as to fit and be mounted on a stator core of a motor. In order to ensure that each of the winding coils is located at the same horizontal position, a certain length of the copper wire is reserved as a jumper wire after the winding of the previous winding coil is completed, and then the next winding coil is wound at the current horizontal position. Due to the limited space between adjacent winding coils, winding interference is inevitable, which may affect the winding quality of a winding. SUMMARY Based on this, an object of the present application to provide a coil winding apparatus and a coil winding method for addressing the technical issues mentioned in the above background technology. In one aspect of the present application, a coil winding apparatus is provided, which includes: a bending mechanism configured for bending a wire to obtain a coil forming a winding and having a discharge port that faces downwards;a winding carrier configured for supporting the winding bent by the bending mechanism and including a winding tray and a winding fixing seat; andan adjustment mechanism configured for adjusting a position of the wire in the winding carrier and including a clamping arm and a clamping member that is fixed to the clamping arm and configured for gripping the winding. In an embodiment, the coil winding apparatus further includes: a carrier movement assembly for installing the winding carrier and driving the winding carrier to translate and rotate. The carrier movement assembly includes a translation assembly and a rotation assembly, the translation assembly is configured for driving the winding carrier to translate in X, Y and Z directions, and the rotation assembly is configured for driving the winding carrier to rotate around the Z axis. In an embodiment, in the coil winding apparatus, the winding tray is provided with a wire supporting plane, and the overall height of the winding fixing seat is lower than the wire supporting plane. In an embodiment, in the coil winding apparatus, multiple winding fixing seats are provided, horizontal heights of the multiple winding fixing seats decrease stepwise from a first of the winding fixing seats to a last of the winding fixing seats, and the first of the winding fixing seats is adjacent to the winding tray. In an embodiment, in the coil winding apparatus, the winding carrier further includes a baseplate for mounting and fixing the winding tray and the winding fixing seat, and the winding tray and the winding fixing seat are circumferentially arranged around a virtual center line and fixed on the baseplate. In an embodiment, in the coil winding apparatus, the winding tray and multiple fixing seat bottom plates are sequentially arranged from top to bottom and circumferentially arranged around the virtual center line, and spirally arranged in a stepped manner. In an embodiment, in the coil winding apparatus, the winding tray includes a tray horizontal plate. The winding fixing seat includes a fixing seat bottom plate, a circumferential stopper and a radial stopper. The circumferential stopper is arranged on a side surface of the fixing seat bottom plate along a circumferential direction around the virtual center line, and the radial stopper is arranged on an outer side surface of the fixing seat bottom plate along a radial direction about the virtual center line. Any point of the fixing seat bottom plate, the circumferential stopper and the radial stopper is lower than a horizontal height of an upper end plane of the tray horizontal plate. In an embodiment, in the coil winding apparatus, the winding tray further includes a tray vertical plate that supports and connects the tray horizontal plate. The winding fixing seat further includes a fixing vertical plate that supports and connects the fixing seat bottom plate. In an embodiment, in the coil winding apparatus, the winding fixing seat is provided with an adjusting hole, and the circumferential stopper is slidable in the adjusting hole. In an embodiment, in the coil winding apparatus, the clamping member is configured to be insertable into the coil and capable of performing expansion and contraction actions. The clamping member closely abuts against an inner side of the coil when the clamping member is expanded. In an embodiment, in the coil winding apparatus, the adjustment mechanism further includes a clamping member mounting disc. The number of clamping members is more than one. The more than one clamping members are mounted on t