CN111669002B - Coil shaping device and coil shaping method - Google Patents

Abstract

The invention relates to a coil shaping device and a coil shaping method, wherein the coil shaping device comprises a first shaping assembly, a second shaping assembly and a sorting module, the sorting module is used for receiving one of the first shaping assembly and the second shaping assembly and driving the other one to switch between a first station and a second station, when the first station is used, one of the first shaping assembly and the second shaping assembly is separated from an iron core, when the second station is used, the first shaping assembly is longitudinally inserted into two winding grooves, and the second shaping assembly is longitudinally inserted into one winding groove. A method of coil shaping, comprising: after the first tooth part of the iron core finishes winding, the first shaping component is longitudinally inserted into two winding grooves adjacent to the first tooth part; and winding the wire at each residual tooth part of the iron core, and enabling the second shaping component to be inserted into one winding slot along the longitudinal direction. The coil shaping device and the coil shaping method effectively ensure the winding space of each winding slot.

Description

Coil shaping device and coil shaping method

Technical Field

The invention relates to the technical field of winding, in particular to a coil shaping device and a coil shaping method.

Background

The stator is a stationary part of the motor or the generator, the stator mainly functions to generate a rotating magnetic field, and the rotor mainly functions to be cut by magnetic lines in the rotating magnetic field to generate current. The stator mainly comprises iron core and coil winding, need carry out the wire winding operation on the iron core, adopts artifical mode to carry out the wire winding on the iron core among the traditional art, and the dynamics is uneven when just because of wire winding at every turn, and the coil easily relaxs and piles up at the part in the wire winding groove, and the groove fullness rate in wire winding groove is lower.

Disclosure of Invention

Accordingly, it is necessary to provide a coil shaping device and a coil shaping method, which solve the problem that the coil in the winding slot is partially stacked to reduce the slot filling ratio.

The utility model provides a coil shaping device for to the coil shaping on the iron core, the iron core includes annular yoke portion and a plurality of tooth, and is a plurality of tooth connect in annular yoke portion just is the annular interval setting, and is adjacent form the winding groove between the tooth, coil shaping device includes:

the first shaping assembly is used for shaping wires on two sides of the tooth part;

the second shaping assembly is used for shaping the wire on one of two sides of the tooth part; and

the sorting module is used for receiving one of the first shaping assembly and the second shaping assembly and driving the one of the first shaping assembly and the second shaping assembly to switch between a first station and a second station;

when the iron core is at the first station, one of the two shaping assemblies is separated from the iron core, and when the iron core is at the second station, the first shaping assembly is longitudinally inserted into the two winding grooves, and the second shaping assembly is longitudinally inserted into one winding groove.

Above-mentioned coil shaping device through setting up first plastic subassembly and second plastic subassembly, can prevent that the wire rod from partly piling up and occuping the wire winding groove space on tooth portion to the wire rod plastic of each tooth portion both sides, ensures wire-wound effective space, improves the groove fullness rate that the wire rod arranged in every wire winding groove.

In one embodiment, the tooth portion comprises a bottom wall, a first side wall and a second side wall, the first side wall and the second side wall are respectively connected to two ends of the bottom wall and are oppositely arranged, and the first shaping assembly can shape wires of the first side wall and the second side wall.

In one embodiment, the first shaping assembly includes a first fixing seat, a first shaping strip and a second shaping strip, the first shaping strip and the second shaping strip are spaced and oppositely disposed on the first fixing seat, the first shaping strip and the second shaping strip can be respectively inserted into two adjacent winding slots along the longitudinal direction, and the wire rods on the first side wall and the second side wall of the same tooth portion are laterally pressed, so as to drive the wire rods to slide along one end of the tooth portion away from the annular yoke portion.

In one embodiment, the first shaping bar is provided with a first wedge surface, the second shaping bar is provided with a second wedge surface, the first wedge surface faces the first side wall and is tangent to the wires of the first side wall when the first shaping assembly is located in the winding slot, and the second wedge surface faces the second side wall and is tangent to the wires of the second side wall.

In one embodiment, the second shaping assembly comprises a third shaping bar, and the third shaping bar can be longitudinally inserted into a winding groove and laterally presses the wire of the first side wall to drive the wire to slide along one end of the tooth part far away from the annular yoke part.

In one embodiment, the third shaping strip is provided with a third wedge-shaped surface, the third shaping strip is longitudinally inserted in the winding slot, and the third wedge-shaped surface faces the first side wall and is tangent to the wire of the first side wall.

In one embodiment, the wire sorting device further comprises a third shaping assembly for shaping the wire of the second side wall, the sorting module being capable of switching the third shaping assembly between the first station and the second station.

In one embodiment, the third shaping assembly comprises a fourth shaping strip, the fourth shaping strip is provided with a fourth wedge-shaped surface, the fourth shaping strip is longitudinally inserted into the winding groove, the fourth wedge-shaped surface faces the second side wall and is tangent to the wires of the second side wall, and the radial dimension of the fourth shaping strip is smaller than that of the third shaping strip.

In one embodiment, the sorting module comprises an output assembly and a receiving assembly, the output assembly is provided with a first material cavity, a second material cavity and a third material cavity for loading the first shaping assembly, the second shaping assembly and the third shaping assembly respectively, the receiving assembly is provided with a receiving material cavity, and the output assembly can move and selectively enable the first material cavity, the second material cavity and the third material cavity to be opposite to the receiving material cavity, so that the receiving assembly can receive or push the first shaping assembly, the second shaping assembly or the third shaping assembly through the receiving material cavity.

A method of shaping a coil, comprising the steps of:

after a first tooth part of an iron core finishes winding, a first shaping assembly is longitudinally inserted into two winding grooves adjacent to the first tooth part, and the wire rods on two sides of the first tooth part are shaped;

after the wire of each residual tooth part of the iron core is wound, the second shaping component is inserted into one winding groove along the longitudinal direction, and the wire of at least one side of two sides of each residual tooth part is shaped.

According to the coil shaping method, before all the teeth are wound, winding and shaping are alternately performed, so that the winding space of each winding groove can be effectively ensured; after the winding is finished, the wires in each winding groove are shaped, and the influence on the normal use of the iron core caused by the local stacking of the wires is prevented.

Drawings

FIG. 1 is an isometric view of a core in one embodiment;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a flow diagram of a method of shaping a coil in one embodiment;

FIG. 4 is a partial flow diagram of the coil shaping method of FIG. 3;

FIG. 5 is an isometric view of a coil reshaping device in one embodiment;

fig. 6 is a combined top view of the first shaping member and the core in the coil shaping device shown in fig. 5;

fig. 7 is a combined top view of a second shaping assembly and a core in the coil shaping device shown in fig. 5;

FIG. 8 is an isometric view of an embodiment of a coil shaping device and a winding mechanism;

FIG. 9 is an isometric view of the winding mechanism of FIG. 8;

fig. 10 is a partial cross-sectional view of the wire winding mechanism shown in fig. 9.

Reference numerals: 10. an iron core; 11. an annular yoke; 11a, a central shaft; 11b, mounting grooves; 12. a tooth portion; 12a, a first end face; 12b, a second end face; 12c, a bottom wall; 12d, a first side wall; 12e, a second side wall; 12f, a starting end; 12g, a cylindrical space; 12h, a first tooth portion; 12i, a second tooth portion; 12j, a third tooth portion; 13. a winding slot; 13a, a first winding groove; 13b, a second winding groove; 13c, a third winding groove;

20. a coil shaping device; 100. a first shaping component; 110. a first shaping strip; 111. a first wedge-shaped face; 120. a second shaping strip; 121. a second wedge-shaped face; 130. a first fixed seat; 200. a second shaping component; 210. a third shaping strip; 211. a third wedge face; 220. a second fixed seat; 300. a sorting module; 310. an output component; 311. a first material cavity; 312. a second material cavity; 320. a receiving component; 321. a receiving cavity; 322a, a first station; 322b, a second station; 330. a translation assembly; 340. a lifting assembly; 400. a third shaping component; 410. a fourth shaping strip; 411. a fourth wedge-shaped surface; 420. a third fixed seat;

50. a winding mechanism; 51. a winding clamp; 51a, an inner cavity; 52. a support table; 53. a base plate; 54. a pillar; 55. a winding driving member; 56. a fixed part; 57. a winding part; 58. a slot; 60. and (3) wire rods.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1, an iron core 10 in an embodiment includes an annular yoke 11 and a plurality of teeth 12, the teeth 12 are connected to the annular yoke 11 and are disposed at intervals, and a winding slot 13 through which a wire 60 can pass is formed between adjacent teeth 12. As shown in fig. 2, the tooth portion 1212 includes a first end face 12a, a second end face 12b, a bottom wall 12c, a first side wall 12d and a second side wall 12e, the first side wall 12d and the second side wall 12e are respectively connected to two ends of the bottom wall 12c at an included angle and are oppositely disposed, the wire 60 is wound around the tooth portion 12 to form a coil, and the coil is not attached to the first end face 12a and the second end face 12b of the tooth portion 12.

In this embodiment, as shown in fig. 2, the first side wall 12d and the second side wall 12e have the same included angle with the bottom wall 12c, so that the first side wall 12d and the second side wall 12e are arranged symmetrically.

In this embodiment, as shown in fig. 1, the starting ends 12f of the teeth 12 are connected to the ring yoke 11, the ends (i.e., the bottom walls 12c) of the teeth 12 are provided with a predetermined distance from the central axis 11a of the ring yoke 11, and the ends of the respective teeth 12 are surrounded by a similar cylindrical space 12 g.

In some embodiments, the motor includes a stator and a rotor, the stator is a stationary portion of the motor, the stator is configured to generate a rotating magnetic field, and the rotor is rotatable and configured to be cut by magnetic lines of force in the rotating magnetic field to generate an electric current. The core 10 is a main member constituting the stator, and the rotor may be disposed in the cylindrical space 12 g. The wire 60 is a copper wire or an aluminum wire, so that the wire 60 has good toughness and good conductivity, and can be bent and shaped well.

As shown in fig. 5, fig. 5 is a schematic structural diagram of a coil shaping device 20 in an embodiment, and the coil shaping device 20 is used for shaping a coil on the iron core 10. The coil shaping method in the embodiment shown in fig. 3 includes the following steps:

s1, after the first tooth 12h of the core 10 is wound, the wire members 60 on both sides of the first tooth 12h are shaped.

As shown in fig. 2, after the first tooth 12h of the core 10 is wound, the wire 60 on both sides of the first tooth 12h (i.e., the first side wall 12d and the second side wall 12e) is easily stacked or loosened, and occupies the space of the first winding groove 13a and the second winding groove 13b on both sides of the first tooth 12h, so that the second teeth 12i and 12j adjacent to the first tooth 12h cannot be wound completely. At this time, the wire members 60 on both sides of the first tooth portion 12h need to be shaped to secure the winding spaces in the first and second winding grooves 13a and 13 b.

S2, after the winding of each of the remaining teeth 12 of the core 10, the wire 60 on at least one of the two sides of each of the remaining teeth 12 is shaped.

Specifically, in this embodiment, as shown in fig. 4, step S2 includes the following steps:

s3, after the wire is wound around each of the remaining teeth 12 of the core 10, the wire 60 of the first side wall 12d of each of the remaining teeth 12 is shaped.

As shown in fig. 2, since the first tooth 12h is shaped in the second winding groove 13b, the side of the second tooth 12i close to the first tooth 12h (i.e., the second side wall 12e) has a sufficient winding space. By shaping the wire 60 on the side of the second tooth 12i away from the first tooth 12h (i.e., the first side wall 12d), the winding space in the third winding groove 13c before the third tooth 12j is wound can be secured. That is, the wire 60 of the first sidewall 12d of each of the remaining teeth 12 is shaped after the winding of each of the remaining teeth 12 of the core 10, so that the winding space in the corresponding winding slot 13 can be secured immediately before the winding of the teeth 12.

S4, after all the teeth 12 of the core 10 are wound, the wire 60 of the second side wall 12e of each of the remaining teeth 12 is shaped.

By the coil shaping method, before all the teeth 12 are wound, winding and shaping are alternately performed, so that the winding space of each winding slot 13 can be effectively ensured; after the winding is completed, the wire 60 in each winding slot 13 is shaped, so as to prevent the wire 60 from being partially stacked to affect the normal use of the iron core 10.

It should be noted that, after the wire 60 of the second side wall 12e of each tooth 12 is shaped in step S3, the wire 60 of the first side wall 12d of each tooth 12 is shaped in step S4, that is, the order of shaping the first side wall 12d and the second side wall 12e of each tooth 12 can be changed.

It can be understood that, since the shaping space and the shaping side in step S1, step S3 and step S4 are different, different shaping modules need to be switched to be used for shaping the wire 60 in step S1, step S3 and step S4, respectively, so that the shaping effect of the wire 60 is ensured and the wire 60 is not damaged.

As shown in fig. 5, the coil shaping device 20 in an embodiment includes a first shaping assembly 100, a second shaping assembly 200 and a sorting module 300, wherein the first shaping assembly 100 is used for shaping the wires 60 of the first side wall 12d and the second side wall 12e of the tooth portion 12, the second shaping assembly 200 is used for shaping the wires 60 of the first side wall 12d or the second side wall 12e of the tooth portion 12, and as shown in fig. 6, the sorting module 300 is used for receiving the first shaping assembly 100 and the second shaping assembly 200 and driving one of the first shaping assembly 100 and the second shaping assembly 200 to switch between the first station 322a and the second station 322 b.

Specifically, in some embodiments, the sorting module 300 includes an output assembly 310 and a receiving assembly 320, the output assembly 310 has a first material chamber 311 and a second material chamber 312, the receiving assembly 320 has a receiving material chamber 321, and the output assembly 310 can move and selectively face the first material chamber 311 and the second material chamber 312 to the receiving material chamber 321.

In this embodiment, the first shaping component 100 is loaded in the first material cavity 311, the second shaping component 200 is loaded in the second material cavity 312, and when the first material cavity 311 is opposite to the material receiving cavity 321, the receiving component 320 can receive or push the first shaping component 100 through the opening of the material receiving cavity 321; when the second material cavity 312 is opposite to the material receiving cavity 321, the receiving assembly 320 can receive or push the second shaping assembly 200 through the opening of the material receiving cavity 321, so that the first shaping assembly 100 or the second shaping assembly 200 is switched to the first station 322.

In some embodiments, the output assembly 310 includes a first pushing member and a second pushing member (not shown), the first pushing member and the second pushing member can extend and retract into the first material cavity 311 and the second material cavity 312, respectively, and the receiving assembly 320 includes a third pushing member, and the third pushing member can extend and retract.

For example, referring to fig. 5, the first shaping assembly 100 is loaded in the material receiving cavity 321, when the first material cavity 311 is opposite to the material receiving cavity 321, the third pushing member can push the first shaping assembly 100 along the X direction, so that the first shaping assembly 100 moves out of the material receiving cavity 321 and enters the first material cavity 311, and the first pushing member can push the first shaping assembly 100 along the X direction, so that the first shaping assembly 100 moves out of the first material cavity 311 and moves into the material receiving cavity 321.

When the second shaping assembly 200 is loaded in the second cavity 312 and the second cavity 312 is opposite to the first station 322, the second pushing element pushes the second shaping assembly 200 in the X direction, so that the second shaping assembly 200 moves out of the second cavity 312 and into the receiving cavity 321.

In a specific embodiment, the first abutting member, the second abutting member and the third abutting member are piston rods driven by cylinders, and the cylinder body drives the piston rods to move along the X direction shown in fig. 5 and abut against the shaping assemblies.

In some embodiments, the output component 310 need only move in one dimension. For example, the output assembly 310 moves along the X direction, so as to selectively face the first material chamber 311 and the second material chamber 312 to the material receiving chamber 321. In other embodiments, the output assembly 310 can also move along the Y direction and the Z direction, so that the position adjustment of the output assembly 310 is more flexible.

Specifically, referring to fig. 5, the sorting module 300 further includes a translation assembly 330 and a lifting assembly 340, wherein the translation assembly 330 is connected to the output assembly 310 and drives the output assembly 310 to move along the radial direction (i.e., X direction and Y direction) of the iron core 10, and the lifting assembly 340 is connected to the receiving assembly 320 and drives the receiving assembly 320 to move along the axial direction (i.e., Z direction) of the iron core 10.

Referring to fig. 5 and 6, the sorting module 300 drives one of the first shaping assembly 100 and the second shaping assembly 200 to switch between the first station 322a and the second station 322 b.

While at the first station 322a, either one of them is separated from the iron core 10; while at the second station 322b, the first reforming assembly 100 is longitudinally inserted into two winding slots 13, and the second reforming assembly 200 is longitudinally inserted into one winding slot 13.

In some embodiments, the first shaping assembly 100 includes a first shaping bar 110, a second shaping bar 120, and a first fixing base 130, and the first shaping bar 110 and the second shaping bar 120 are disposed on the first fixing base 130 at an interval. In this embodiment, when the first shaping assembly 100 is located in the material receiving cavity 321, the sorting assembly can drive the first shaping assembly 100 to move from the first station 322a to the second station 322b, and the first shaping bar 110 and the second shaping bar 120 are longitudinally inserted into two adjacent winding slots 13, and the first shaping bar 110 and the second shaping bar 120 respectively press the wires 60 on the first side wall 12d and the second side wall 12e of the same tooth 12, so as to drive the wires 60 to slide along one end of the tooth 12 away from the annular yoke 11, and prevent the wires 60 from being partially stacked to affect the space in the winding slots 13.

In some embodiments, the first fixing seat 130 can be loaded in the first material cavity 311, and the first shaping strip 110, the second shaping strip 120 and the first fixing seat 130 are integrally formed, so that the first shaping strip has good integrity and high mechanical strength. In other embodiments, the first shaping strip 110 and the second shaping strip 120 can also be clamped or screwed to the first fixing base 130, so that the first shaping strip 110 and the second shaping strip 120 can be detached, and can be replaced and stored in time when damaged.

Specifically, as shown in fig. 6, the first shaping bar 110 is provided with a first wedge-shaped surface 111, the second shaping bar 120 is provided with a second wedge-shaped surface 121, and when the first shaping bar 110 and the second shaping bar 120 are inserted into the two winding slots 13, at least the first wedge-shaped surface 111 faces the first side wall 12d and is tangent to the wires 60 of the first side wall 12d, and the second wedge-shaped surface 121 is tangent to the wires 60 of the second side wall 12 e. The wedge-shaped surface is tangent to the wire 60, so that the wire 60 can be driven to slide along the radial direction of the tooth part 12, the wire 60 is prevented from being partially stacked to influence the space in the winding slot 13, the stress area of the wire 60 is reduced, and the wire 60 is prevented from being broken due to overlarge pressing force.

In some embodiments, the first wedge-facet 111 is disposed parallel to the first side-wall 12d and the second wedge-facet 121 is disposed parallel to the second side-wall 12 e. In other embodiments, the first wedge-facet 111 and the first sidewall 12d can have other angles, and the second wedge-facet 121 and the second sidewall 12e can have other angles, so long as it is ensured that the first wedge-facet 111 can be tangent to the wire 60 of the first sidewall 12d and the second wedge-facet 121 can be tangent to the wire 60 of the second sidewall 12 e.

In some embodiments, the second shaping assembly 200 includes a third shaping bar 210 and a second fixing base 220, and the third shaping bar 210 is fixedly connected to the second fixing base 220. In this embodiment, when the second shaping assembly 200 is located in the material receiving cavity 321, the sorting assembly can drive the second shaping assembly 200 to move from the first station 322a to the second station 322b, and the third shaping bar 210 can be longitudinally inserted into a winding slot 13 and laterally press the wires 60 of the first side wall 12d of a tooth 12, so as to drive the wires 60 to slide along one end of the tooth 12 away from the annular yoke 11, thereby preventing the wires 60 from being partially stacked.

In some embodiments, the second fixing seat 220 can be loaded in the second material cavity 312, and the third shaping strip 210 and the second fixing seat 220 are integrally formed, so that the integrity is good and the mechanical strength is high. In other embodiments, the third shaping strip 210 can be further clamped or screwed to the second fixing base 220, so that the third shaping strip 210 can be detached and is convenient to replace and store in time when damaged.

Specifically, as shown in fig. 7, the third shaping bar 210 is provided with a third wedge surface 211, and when the third shaping bar 210 is longitudinally inserted in the winding slot 13, at least the third wedge surface 211 should be tangent to the wire 60 of the first side wall 12 d.

In some embodiments, the third wedge face 211 is disposed parallel to the first sidewall 12 d. In other embodiments, the third wedge surface 211 may have other included angles with the first sidewall 12d, as long as the third wedge surface 211 is ensured to be tangent to the wire 60 of the first sidewall 12 d.

In some embodiments, referring to fig. 5, the coil shaping device 20 further includes a third shaping assembly 400, the third shaping assembly 400 is used for shaping the wire 60 of the second sidewall 12e, and the sorting module 300 can drive the third shaping assembly 400 to switch between the first station 322a and the second station 322 b.

While at the first station 322a, the third reforming assembly 400 is separated from the core 10; while at the second station 322b, the third reforming assembly 400 is inserted into one of the winding slots 13 in the longitudinal direction.

In an embodiment, the third shaping assembly 400 includes a fourth shaping bar 410 and a third fixing base 420, and the fourth shaping bar 410 is fixedly connected to the third fixing base 420. In this embodiment, the output assembly 310 is provided with a third material cavity 313 for loading the third shaping assembly 400, and when the third shaping assembly 400 is located in the material receiving cavity 321, the sorting assembly can drive the third shaping assembly 400 to move from the first station 322a to the second station 322b, and enable the fourth shaping strip 410 to be longitudinally inserted into a winding slot 13 and press the wires 60 of the second side wall 12e of a tooth 12, so as to drive the wires 60 to slide along one end of the tooth 12 away from the annular yoke 11.

In some embodiments, the fourth shaping strip 410 and the third fixing base 420 are integrally formed, and have good integrity and high mechanical strength. In other embodiments, the fourth shaping strip 410 may also be fastened or screwed to the third fixing base 420, so that the fourth shaping strip 410 may be detached and replaced and stored in time when damaged.

Specifically, the fourth shaping bar 410 is provided with a fourth wedge-shaped surface 411, and when the fourth shaping bar 410 is longitudinally inserted into the winding slot 13, at least the fourth wedge-shaped surface 411 is tangent to the wire 60 of the second side wall 12 e.

It is noted that the radial dimension of the fourth shaping bar 410 is smaller than the radial dimension of the third shaping bar 210. Before all the teeth 12 of the iron core 10 are wound, shaping the side of the tooth 12 far away from the previous wound tooth 12 after winding one tooth 12, wherein the shaping space is A; the wire 60 of the second side wall 12e of each of the remaining teeth 12 is shaped while all the teeth 12 of the core 10 are wound, and the shaping space is B. Since the shaping space B is smaller than the shaping space a, the radial size of the fourth shaping strip 410 needs to be reduced to effectively shape the wire 60 without damaging the wire 60.

As shown in fig. 8, fig. 8 is a schematic structural diagram of a winding mechanism 50 in an embodiment, and the winding mechanism 50 is used for winding a wire 60 on a core 10 and forming a coil. The winding mechanism 50 includes a winding jig 51 and a supporting base 52, the supporting base 52 is used for supporting the winding jig 51, please refer to fig. 9 and 10, the winding jig 51 has an inner cavity 51a for loading the iron core 10.

In some embodiments, the support platform 52 includes a bottom plate 53 and a pillar 54, the pillar 54 is connected to the bottom plate 53 and located below the bottom plate 53, the winding clamp 51 is rotatably disposed on the bottom plate 53, and the bottom plate 53 and the winding clamp 51 are supported by the pillar 54, so that the winding clamp 51 is suspended to facilitate the rotation of the winding clamp 51.

Referring to fig. 8, the winding mechanism 50 further includes a winding driving member 55, and the winding driving member 55 is mounted on the supporting base 52 and used for driving the winding fixture 51 to rotate relative to the supporting base 52.

Specifically, the wire drive 55 may be a motor or a cylinder.

Referring to fig. 9 and 10, in some embodiments, the winding jig 51 includes a fixing portion 56 and a plurality of winding portions 57, the winding portions 57 are radially inserted into an inner wall of the fixing portion 56 and abut against an end surface of the tooth portion 12, slots 58 are formed between adjacent winding portions 57, and as shown in fig. 8, the slots 58 correspond to the winding slots 13 one to one.

In this embodiment, the first end surface 12a and the second end surface 12b of each tooth 12 are respectively abutted against a winding portion 57. By providing the winding jig 51, the winding jig 51 can perform a supporting and shaping function when the wire 60 is wound around each tooth portion 12. After the winding is completed, the winding jig 51 is removed, so that the wires 60 are not attached to the first end surface 12a and the second end surface 12b of the tooth portion 12, the circuit transmission of the iron core 10 is facilitated, and the distance between the end surface of each tooth portion 12 and the corresponding wire 60 on each tooth portion 12 can be ensured to be consistent.

In some embodiments, to facilitate shaping and assembly, the sorting module 300 is located below the bottom plate 53 of the support table 52 and is longitudinally spaced from the winding jig 51.

It should be noted that the translational and/or lifting movement of the sorting module 300 and the rotational movement of the core 10 cooperate with each other to shape the wires 60 of each tooth 12 on the core 10.

For example, please refer to fig. 1 and 2, the specific shaping process of the wire 60 is as follows:

the first tooth 12h of the iron core 10 completes the wire winding, the sorting module 300 drives the first shaping assembly 100 to move upwards from the first station 322a to the second station 322b, so that the first shaping assembly is longitudinally inserted into the first winding slot 13a and the second winding slot 13b to shape the wires 60 of the first side wall 12d and the second side wall 12e of the first tooth 12h, and then the sorting module 300 drives the first shaping assembly 100 to move downwards from the second station 322b to the first station 322 a;

referring to fig. 8, the winding driving member 55 drives the iron core 10 to rotate a certain distance, as shown in fig. 2, the second tooth portion 12i of the iron core 10 completes winding, the sorting module 300 receives the second shaping assembly 200 and drives the second shaping assembly 200 to move upward from the first station 322a to the second station 322b, so that the second shaping assembly 200 is longitudinally inserted into a winding slot 13 to shape the wire 60 of the first sidewall 12d of the second tooth portion 12i, and then the sorting module 300 drives the second station 322b to move downward to the first station 322 a; repeating the above steps to alternately perform winding and one-side shaping on each of the remaining teeth 12;

after all the teeth 12 of the iron core 10 are wound, the winding driving member 55 drives the iron core 10 to rotate a certain distance, the sorting module 300 receives the third shaping assembly 400 and drives the third shaping assembly 400 to move upwards from the first station 322a to the second station 322b, so that the third shaping assembly 400 is longitudinally inserted into a winding slot 13 to shape the wire 60 on the second side wall 12e of the teeth 12, and then the sorting module 300 drives the third shaping assembly 400 to move downwards from the second station 322b to the first station 322 a; the above steps are repeated to finish the shaping of the wire 60 remaining on the second side wall 12e of each tooth portion 12.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. The utility model provides a coil shaping device for to the coil shaping on the iron core, the iron core includes annular yoke portion and a plurality of tooth portion, and is a plurality of tooth portion connect in annular yoke portion just is annular interval and sets up, and is adjacent form the wire winding groove between the tooth portion, the tooth portion includes diapire, first lateral wall and second lateral wall, first lateral wall and the second lateral wall connect respectively in the both ends of diapire and relative setting, its characterized in that, coil shaping device includes:

the first shaping assembly is used for shaping wires on the first side wall and the second side wall;

the second shaping assembly is used for shaping the wire on one of two sides of the tooth part; and

the sorting module is used for receiving one of the first shaping assembly and the second shaping assembly and driving the one of the first shaping assembly and the second shaping assembly to switch between a first station and a second station;

when the iron core is at the first station, one of the first shaping assembly and the second shaping assembly is separated from the iron core, and when the iron core is at the second station, the first shaping assembly is longitudinally inserted into the two winding grooves, and the second shaping assembly is longitudinally inserted into one winding groove.

2. The coil shaping device according to claim 1, wherein the sorting module comprises an output assembly and a receiving assembly, the output assembly is provided with a first material cavity and a second material cavity, the receiving assembly is provided with a receiving material cavity, and the output assembly can move and selectively enable the first material cavity and the second material cavity to be opposite to the receiving material cavity;

the first shaping assembly is loaded in the first material cavity, the second shaping assembly is loaded in the second material cavity, and when the first material cavity is opposite to the material receiving cavity, the receiving assembly can receive or push out the first shaping assembly through the opening of the material receiving cavity; when the second material cavity is opposite to the material receiving cavity, the receiving assembly can receive or push out the second shaping assembly through the opening of the material receiving cavity, so that the first shaping assembly or the second shaping assembly is switched to a first station.

3. The coil shaping device according to claim 1, wherein the first shaping assembly includes a first fixing seat, a first shaping bar and a second shaping bar, the first shaping bar and the second shaping bar are spaced and oppositely disposed on the first fixing seat, the first shaping bar and the second shaping bar can be respectively inserted into two adjacent winding slots along a longitudinal direction, and press the wires of the first side wall and the second side wall of the same tooth portion to drive the wires to slide along one end of the tooth portion away from the annular yoke portion.

4. The coil shaping device according to claim 3, wherein the first shaping bar is provided with a first wedge surface, the second shaping bar is provided with a second wedge surface, and the first wedge surface faces the first side wall and is tangent to the wire of the first side wall and the second wedge surface faces the second side wall and is tangent to the wire of the second side wall when the first shaping assembly is located in the winding slot.

5. The coil shaping device according to claim 1, wherein the second shaping member includes a third shaping bar which is longitudinally insertable into one of the winding slots and laterally presses the wire of the first side wall to urge the wire to slide along an end of the tooth portion away from the annular yoke portion.

6. The coil shaping device according to claim 5, wherein a third shaping bar is provided with a third wedge-shaped surface, the third shaping bar is longitudinally inserted into the winding slot, and the third wedge-shaped surface faces the first side wall and is tangent to the wire of the first side wall.

7. The coil shaping device according to claim 6, further comprising a third shaping assembly for shaping the wire of the second side wall, the sorting module being capable of switching the third shaping assembly between the first station and the second station.

8. The coil shaping device according to claim 7, wherein the third shaping assembly includes a fourth shaping bar having a fourth wedge surface, the fourth shaping bar is longitudinally inserted into the winding slot, the fourth wedge surface faces the second side wall and is tangent to the wire of the second side wall, and a radial dimension of the fourth shaping bar is smaller than a radial dimension of the third shaping bar.

9. The coil shaping device according to claim 7, wherein the sorting module comprises an output assembly and a receiving assembly, the output assembly is provided with a first material cavity, a second material cavity and a third material cavity for loading the first shaping assembly, the second shaping assembly and the third shaping assembly respectively, the receiving assembly is provided with a receiving material cavity, and the output assembly can move and selectively face the first material cavity, the second material cavity and the third material cavity to the receiving material cavity so that the receiving assembly can receive or push the first shaping assembly, the second shaping assembly or the third shaping assembly through an opening of the material cavity.

10. A coil shaping method applied to the coil shaping device of any one of claims 1 to 9, the method comprising the steps of:

after a first tooth part of an iron core finishes winding, a first shaping assembly is longitudinally inserted into two winding grooves adjacent to the first tooth part, and the wire rods on two sides of the first tooth part are shaped;

after the wire of each residual tooth part of the iron core is wound, the second shaping component is inserted into one winding groove along the longitudinal direction, and the wire of at least one side of two sides of each residual tooth part is shaped.

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