Winding device for skewed slot iron core

Abstract

The invention relates to the technical field of winding equipment, and provides a winding device for a chute iron core, which comprises a main bracket, a main shaft, a die head assembly, a winding assembly and a wire assembly, and is characterized in that the main shaft is supported on the main bracket; the die head assembly comprises a die head seat and a positioning seat; the positioning seat is elastically connected to one end of the die head seat and can move relative to the die head seat; the wire assembly comprises an upper wire support lug and a lower wire support lug which are used for guiding an enameled wire to the tooth part of the iron core; the upper wire supporting lug extends in the first direction, the first direction is inclined relative to the longitudinal section, the lower wire supporting lug extends in the second direction, the second direction is inclined relative to the longitudinal section, and an upper guide groove enabling the upper wire supporting lug to move in the first direction and a lower guide groove enabling the lower wire supporting lug to move in the second direction are formed in the positioning base. Compared with the prior art, the iron core has higher magnetic field intensity, and the magnetism of the motor is ensured.

Description

Technical Field

[0001] The present invention relates to the technical field of winding equipment, in particular to a winding device for a skew slot iron core. Background Art

[0002] The motor core is an important part of the motor. It carries the magnetic field and mechanical force of the motor and has a vital impact on the performance and efficiency of the motor. The motor core usually adopts a laminated structure, which is composed of multiple thin silicon steel sheets. Each silicon steel sheet is specially treated to reduce iron loss and hysteresis loss, thereby improving the efficiency of the motor.

[0003] At present, for motors, stator core winding and rotor core winding are important links, which are related to product quality issues. For stator and rotor cores with slots facing outward, flying fork winding machines are often used for winding. Traditional winding machines include a center shaft, a flying fork and a wire lug. The flying fork is rotatably arranged on the center shaft with the axis of the center shaft as the axis. The wire lug is connected to the front end of the center shaft. The wire lug extends along the axial direction of the center shaft and moves along the axial direction. The wire lug has an arc-shaped wire surface that can guide the enameled wire to the core. However, since the wire lug extends along the axial direction of the center shaft, when winding the skew slot core, there is an inclination angle between the wire lug and the slot wall of the core tooth. In this way, a large gap is easily formed between the wire and the tooth and between adjacent wires during winding, which will reduce the number of turns and cause the magnetic field strength to decrease, thereby affecting the magnetism. Summary of the invention

[0004] The object of the present invention is to provide a winding device for a skewed slot core to solve the technical problem in the prior art that when the skewed slot core is wound, the number of turns is reduced, resulting in a decrease in magnetic field strength, thereby affecting the magnetic properties.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is as follows: a winding device for a skewed slot core is provided, comprising: a main bracket, movably arranged on a base plate; a main shaft, supported on the main bracket; a die head assembly, comprising a die head seat connected to the main shaft and having a longitudinal cross-section passing through the axis of the main shaft and a positioning seat for abutting against the tooth portion of the iron core to be wound, the positioning seat being elastically connected to the other end of the die head seat opposite to the end connected to the main shaft and being movable relative to the die head seat in the axial direction of the main shaft; a winding assembly, comprising a winding component for winding the enameled wire around the tooth portion of the iron core to be wound, the winding component being arranged on the peripheral side of the die head assembly and being able to take the axis of the main shaft as the axis The die assembly rotates relative to the die assembly; and a wire assembly, comprising an upper wire lug and a lower wire lug for guiding the enameled wire to the tooth portion, the upper wire lug and the lower wire lug are respectively arranged on the die seat and spaced in a direction perpendicular to the surface of the substrate; the upper wire lug extends in a first direction, the first direction is inclined relative to the longitudinal cross section, and an upper guide groove is formed on the positioning seat for moving the upper wire lug in the first direction when the positioning seat and the die seat move relative to each other; the lower wire lug extends in a second direction, the second direction is inclined relative to the longitudinal cross section, and a lower guide groove is formed on the positioning seat for moving the lower wire lug in the second direction when the positioning seat and the die seat move relative to each other.

[0006] In some embodiments, the upper wire lug and the lower wire lug are arranged symmetrically with respect to the axis of the main shaft.

[0007] In some embodiments, the die assembly further comprises a wire hanging plate disposed on the die seat and movable relative to the die seat along the axial direction of the main shaft, and the wire hanging plate comprises a wire hanging portion for fixing the enameled wire on the iron core.

[0008] In some embodiments, the winding device for the skew slot core also includes a driving assembly for moving the upper wire support ear and the lower wire support ear relative to the die head seat in a direction perpendicular to the surface of the substrate; the main shaft is a hollow structure; the driving assembly includes: a hollow driving shaft, which is built into the main shaft and coaxial with the main shaft, and the driving shaft and the main shaft are arranged to be relatively movable but not relatively rotatable, and the driving shaft has a first end and a second end extending beyond the two ends of the main shaft; a driving power member, connected to the first end and used to drive the driving shaft to move; a connecting seat, which is movably arranged in the die head seat along the axial direction of the main shaft, and the second end is connected to the connecting seat and can rotate relative to the connecting seat; and an operating rod, which is used to drive the upper wire support ear and the lower wire support ear to move in a direction perpendicular to the surface of the substrate, and the operating rod is fixedly connected to the connecting seat.

[0009] In some embodiments, the die assembly also includes an upper control block connected to the upper wire support ear and a lower control block connected to the lower wire support ear; the die seat is provided with an upper chamber and a lower chamber, the upper control block can be movably arranged in the upper chamber along a direction perpendicular to the surface of the substrate, and the lower control block can be movably arranged in the lower chamber along a direction perpendicular to the surface of the substrate; the upper control block has an upper concave cavity for an operating rod to extend into and an upper driving surface located on the bottom surface of the upper concave cavity and abutting against the end of the operating rod, the upper driving surface includes an upper horizontal part and an upper inclined part extending from the upper horizontal part toward the connecting seat and in the direction of the main axis; the lower control block has a lower concave cavity for an operating rod to extend into and a lower driving surface located on the bottom surface of the lower concave cavity and abutting against the end of the operating rod, the lower driving surface includes a lower horizontal part and a lower inclined part extending from the lower horizontal part toward the connecting seat and in the direction of the main axis.

[0010] In some embodiments, an upper slide groove extending in a direction orthogonal to the axial direction of the main shaft is formed on the end surface of the upper control block, and the upper wire support ear has an upper engaging portion engaged with the upper slide groove and slidably arranged in the upper slide groove; a lower slide groove extending in a direction orthogonal to the axial direction of the main shaft is formed on the end surface of the lower control block, and the lower wire support ear has a lower engaging portion engaged with the lower slide groove and slidably arranged in the lower slide groove.

[0011] In some embodiments, the positioning seat has a positioning groove for the outer end of the tooth portion to be placed, the positioning groove has a positioning surface located on its bottom surface and used to abut against the tooth portion, the upper guide groove extends from one end of the positioning seat facing the die head seat along the first direction to the positioning surface, and the lower guide groove extends from one end of the positioning seat facing the die head seat along the second direction to the positioning surface.

[0012] In some embodiments, the winding assembly further includes a winding support fixed on the main shaft and a winding power member for driving the main shaft to rotate, the winding power member is supported on the main support, and the winding component is fixed on and supported by the winding support.

[0013] In some embodiments, a wire tube for moving the external enameled wire is provided in the driving shaft, and the wire tube has a wire inlet and a wire outlet located at both ends thereof, the wire inlet is for the enameled wire to enter the wire tube, and the wire outlet is for the internal enameled wire to pass through; a main wire groove is provided on the main shaft, and a driving wire groove is provided on the driving shaft, the main wire groove, the driving wire groove, and the wire outlet are connected in sequence, and a wire wheel component for guiding the enameled wire to the winding component is provided in the main wire groove of the main shaft.

[0014] In some embodiments, the drive assembly also includes a drive support seat that can move relative to the main support along the axial direction of the main shaft, the first end of the drive shaft is supported on the drive support seat in a rotatable but non-movable manner, and the driving power member is fixed on the drive support seat and supported by the drive support seat.

[0015] Compared with the prior art, the winding device for the skew slot core provided by the present invention comprises a main shaft, a die head assembly, a winding assembly, a wire assembly and a driving assembly, wherein the die head assembly comprises a die head seat connected to the main shaft and having a longitudinal cross section passing through the axis of the main shaft, and a positioning seat used to abut against the tooth portion of the iron core to be wound, the positioning seat is elastically connected to the die head seat and can move relative to the die head seat in the axial direction of the main shaft; the wire assembly comprises an upper wire support ear and a lower wire support ear used to guide the enameled wire to the tooth portion, the upper wire support ear extends along a first direction, the first direction is inclined relative to the longitudinal cross section, and an upper guide groove is formed on the positioning seat for moving the upper wire support ear along the first direction; the lower wire support ear extends along a second direction, the second direction is inclined relative to the longitudinal cross section, and a lower guide groove is formed on the positioning seat for moving the lower wire support ear along the second direction.

[0016] The beneficial effect of the winding device for the skew slot iron core provided by the present invention is that: compared with the prior art, the present invention adopts a structure in which the upper wire support lug and the lower wire support lug are respectively inclined relative to the longitudinal cross-section, and the upper wire support lug and the lower wire support lug are respectively moved along their respective extension directions. The smaller the angle between the upper wire support lug, the lower wire support lug and the tooth portion at the adjacent end of the iron core is, the more neatly the enameled wire circles are arranged during winding, and the arrangement is more compact, which can ensure that a larger number of enameled coils are wound in the slot, so that the iron core has a higher magnetic field strength, thereby ensuring the magnetic properties of the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional schematic diagram of a winding device and a substrate for a skewed slot core provided in an embodiment of the present invention; Figure 2 It is a cross-sectional schematic diagram of a winding device and a substrate for a skewed slot core provided in an embodiment of the present invention; Figure 3 for Figure 2 Enlarged view of part A in the middle;

[0018] Figure 4 It is a top view schematic diagram of a die head assembly, a main shaft, a winding assembly, a conductor assembly and an iron core assembly of a winding device for a skewed slot iron core provided in an embodiment of the present invention; Figure 5 It is a front view schematic diagram of a die head assembly, a main shaft, a winding assembly, a conductor assembly and an iron core assembly of a winding device for a skewed slot iron core provided in an embodiment of the present invention; Figure 6 It is a side view schematic diagram of a winding device for an iron core assembly provided by an embodiment of the present invention when it is moved away from a skewed slot iron core.

[0019] Main component symbols 100-winding device; 101-base plate; 10-main support; 11-main support power member; 20-spindle; 21-main wire through groove; 30-die assembly; 31-die seat; 311-upper chamber; 312-lower chamber; 313-middle through cavity; 314-upper cover plate; 315-lower cover plate; 32-positioning seat; 321-upper guide groove; 322-lower guide groove; 323-positioning groove; 323a-positioning surface; 33-guide column; 34-first elastic element; 35 -hanging board; 351-hanging part; 352-hanging groove; 36-upper control block; 361-upper concave cavity; 362-upper driving surface; 363-upper horizontal part; 364-upper inclined part; 365-upper slide groove; 37-lower control block; 371-lower concave cavity; 372-lower driving surface; 373-lower horizontal part; 374-lower inclined part; 375-lower slide groove; 38-second elastic element; 40-winding assembly; 41-winding component; 42-winding bracket; 43-winding Linear power member; 50-conductor assembly; 51-upper conductor support ear; 511-upper guide plane; 512-upper guide slope; 513-upper clamping part; 52-lower conductor support ear; 521-lower guide plane; 522-lower guide slope; 523-lower clamping part; 60-driving assembly; 61-driving shaft; 611-first end; 612-second end; 613-driving conductor through groove; 62-driving power member; 63-connecting seat; 64-operating rod; 65-adapter sleeve; 6 6-driving support seat; 70-wire tube; 71-wire inlet; 72-wire outlet; 200-core assembly; 201-core; 2011-tooth; 201a-end piece; 201b-center piece; 202-core shaft; 203-hook; 2031-hook; 300-guide wheel assembly; 400-core mounting frame; 500-baffle; NN-axis line; P-longitudinal section; F1-first direction; F2-second direction; a1-first angle; a2-second angle. DETAILED DESCRIPTION

[0020] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] In order to enable those skilled in the art to better understand the technical solution of the present invention, the implementation of the present invention is described in detail below with reference to specific drawings.

[0022] For the convenience of description, the terms “front”, “rear”, “left”, “right”, “up” and “down” mentioned below are consistent with the front, rear, left, right, up and down directions of the drawings themselves, but do not limit the structure of the present invention.

[0023] Unless otherwise defined, the technical or scientific terms used herein shall have the common meanings understood by persons with ordinary skills in the field to which the present invention belongs. The words "first", "second" and similar words used in the patent application specification and claims of the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. Similarly, words such as "one" or "a" do not indicate a quantity limitation, but indicate the existence of at least one.

[0024] like Figure 1 As shown, the winding device 100 for the skewed slot core provided in this embodiment comprises: a main support 10, which is movably arranged on a substrate 101; a main shaft 20, which is supported on the main support 10; a die head assembly 30, which comprises a die head seat 31 connected to the main shaft 20 and having a longitudinal section P passing through the axis NN of the main shaft 20 and a positioning seat 32 used to abut against the tooth portion 2011 of the iron core 201 to be wound, the positioning seat 32 being elastically connected to the other end of the die head seat 31 opposite to the end connected to the main shaft 20 and being movable relative to the die head seat 31 in the axial direction of the main shaft 20; a winding assembly 40, which comprises a winding component 41 for winding an enameled wire (not shown) around the tooth portion 2011 of the iron core 201 to be wound, the winding component 41 being arranged on the peripheral side of the die head assembly 30 and being able to move relative to the die head assembly with the axis NN of the main shaft 20 as the axis The component 30 rotates; and the wire assembly 50 includes an upper wire lug 51 and a lower wire lug 52 for guiding the enameled wire to the tooth portion 2011, the upper wire lug 51 and the lower wire lug 52 are respectively arranged on the die head seat 31 and are spaced apart in a direction perpendicular to the surface of the substrate 101; the upper wire lug 51 extends along a first direction F1, the first direction F1 is inclined relative to the longitudinal section P, and the positioning seat 32 is formed with an upper guide groove 321 for moving the upper wire lug 51 along the first direction F1 when the positioning seat 32 and the die head seat 31 move relative to each other; the lower wire lug 52 extends along a second direction F2, the second direction F2 is inclined relative to the longitudinal section P, and the positioning seat 32 is formed with a lower guide groove 322 for moving the lower wire lug 52 along the second direction F2 when the positioning seat 32 and the die head seat 31 move relative to each other.

[0025] In the winding device 100 for the skew slot core provided by the present invention, the upper wire lug 51 of the wire assembly 50 extends along the first direction F1, the first direction F1 is inclined relative to the longitudinal section P, and the positioning seat 32 is formed with an upper guide groove 321 for moving the upper wire lug 51 along the first direction F1; the lower wire lug 52 extends along the second direction F2, the second direction F2 is inclined relative to the longitudinal section P, and the positioning seat 32 is formed with a lower guide groove 322 for moving the lower wire lug 52 along the second direction F2. In this way, since the angles between the upper wire lug 51 and the lower wire lug 52 and the edges of the teeth 2011 at one end of the core 201 are small, the enameled wires of each circle are arranged more neatly and compactly during winding, which can ensure that a large number of enameled coils are wound in the slot, so that the core 201 has a higher magnetic field strength, thereby ensuring the magnetic properties of the motor.

[0026] See also Figures 1 to 3 The winding device 100 for the skewed slot core provided in this embodiment is movably arranged on a substrate 101 and supported by the substrate 101. A guide wheel assembly 300 and a core mounting frame 400 are arranged on the substrate 101. The winding device 100 for the skewed slot core is arranged between the guide wheel assembly 300 and the core mounting frame 400. The guide wheel assembly 300 is used to guide the enameled wire in the wire barrel (not shown) into the wire assembly 50 of the winding device 100. The core mounting frame 400 is used to place and support the core assembly 200 to be wound. In this embodiment, the core assembly 200 includes a core shaft 202, an installation The hook sleeve 203 and the laminated structure iron core 201 mounted on the core shaft 202 are rotatably supported on the core mounting frame 400 in a manner that the core shaft 202 and the base plate 101 are basically perpendicular. The core 201 has teeth 2011 arranged at equal intervals in the NN direction of the axis of the core shaft 202. The number of teeth 2011 is but not limited to six. The core 201 includes a plurality of iron core sheets arranged in sequence along the axial direction of the core shaft 202. The plurality of iron core sheets are divided into end sheets 201a located at both ends of the iron core 201 and a center sheet 201b located at the center position of the iron core 201 in the axial direction of the core shaft 202.

[0027] See also Figures 1 to 3 The core mounting frame 400 provided in this embodiment is provided with a baffle 500 on the periphery thereof, and the baffle 500 is used to block the teeth adjacent to the tooth portion 2011 to be wound to prevent the enameled wire from entering other slots, thereby ensuring that the wire can be wound into the slots on both sides of the tooth portion 2011 during winding.

[0028] See also Figures 1 to 3The winding device 100 for the skew slot core provided in this embodiment includes a main support 10, a main shaft 20, a die head assembly 30, a winding assembly 40, a wire assembly 50 and a driving assembly 60. The main support 10 is movably arranged on a substrate 101, and a main support power member 11 is arranged on the substrate 101. In this embodiment, the surface of the substrate 101 has an X-axis direction (the direction of the X-axis shown in the figure) and a Y-axis direction (the direction of the Y-axis shown in the figure) that are perpendicular to each other. The main support 10 can be movably installed on the substrate 101 along the X-axis direction, and the main support power member 11 is fixedly installed on the substrate 101. The main support power member 11 is but not limited to a motor, which drives the main support 10 to move relative to the core mounting frame 400 along the X-axis direction on the substrate 101 through a screw and a nut seat.

[0029] See also Figures 1 to 3 The main shaft 20 provided in this embodiment extends along the X-axis direction. The main shaft 20 is a hollow structure. The main shaft 20 is rotatably supported on the main bracket 10 through a bearing. The main shaft 20 and the main bracket 10 are relatively rotatable but immovably connected. In this way, under the drive of the main bracket power part 11, the main bracket 10 drives the main shaft 20 to move on the substrate 101 together.

[0030] See also Figures 1 to 3 The winding assembly 40 provided in this embodiment includes a winding component 41 for winding the enameled wire around the tooth portion 2011 of the core 201 to be wound. The winding component 41 is arranged on the peripheral side of the die assembly 30 and can rotate relative to the die assembly 30 with the axis NN of the main shaft 20 as the axis. In this embodiment, the winding assembly 40 includes a winding component 41, a winding bracket 42 fixed on the main shaft 20, and a winding power member 43 for driving the main shaft 20 to rotate. The winding power member 43 is supported on the main bracket 10, and the winding component 41 is fixed on the winding bracket 42 and supported by the winding bracket 42. The guide wheel assembly 300 guides the enameled wire through the inside of the main shaft 20 to the winding component 41. The winding power component 43 is but not limited to a motor, which is installed on the top of the main bracket 10. It drives the main shaft 20 to rotate around the axis NN of the main shaft 20 through a belt drive, and drives the winding component 41 installed on the main shaft 20 through the winding bracket 42 to rotate around the axis NN of the main shaft 20, thereby winding the enameled wire around the teeth 2011 of the iron core 201.

[0031] See also Figures 1 to 6The die assembly 30 provided in this embodiment is installed on one end of the main shaft 20 close to the core mounting frame 400 and supported by the main shaft 20. The die assembly 30 includes a die seat 31 connected to the main shaft 20 and a positioning seat 32 used to abut against the tooth portion 2011 of the iron core 201 to be wound. The positioning seat 32 is elastically connected to the other end of the die seat 31 opposite to the end connected to the main shaft 20 and can move relative to the die seat 31 in the axial direction of the main shaft 20. In this embodiment, the positioning seat 32 is movably installed at the front end of the die seat 31 (the end facing the core mounting frame 400 in the direction of the X-axis shown in the figure), and the positioning seat 32 is connected to the die seat 31 through a guide column 33. The guide column 33 is arranged along the main shaft The shaft 20 extends axially, and the positioning seat 32 and the die head seat 31 can move relatively on the guide column 33. A first elastic element 34 is arranged between the positioning seat 32 and the die head seat 31. The first elastic element 34 is but not limited to a spring, which extends axially along the main shaft 20. In this way, the main bracket 10 drives the die head assembly 30 to move to the position of the iron core 201, and the positioning seat 32 is abutted against the tooth portion 2011 of the iron core 201. When the die head seat 31 moves toward the iron core 201, the first elastic element 34 is pressed to press it and form an elastic reset force. When the die head seat 31 moves away from the iron core 201, the positioning seat 32 continues to maintain contact with the iron core 201 through the elastic reset force of the first elastic element 34. It should be noted that the wire outlet end of the winding component 41 is located behind the end surface where the positioning seat 32 contacts the iron core 201 (in the direction away from the iron core mounting frame 400 in the direction of the X-axis in the figure). When the winding component 41 rotates for winding, the enameled wire is rotated around the iron core 201 by the winding component 41 in a manner of being tightened backwards.

[0032] See also Figures 1 to 3The wire assembly 50 provided in this embodiment includes an upper wire support ear 51 and a lower wire support ear 52 for guiding the enameled wire to the tooth portion 2011. The upper wire support ear 51 and the lower wire support ear 52 are respectively arranged on the die head seat 31 and are spaced apart in a direction perpendicular to the surface of the substrate 101; a driving assembly 60 is arranged on the main bracket 10, which is used to move the upper wire support ear 51 and the lower wire support ear 52 relative to the die head seat 31 in a direction perpendicular to the surface of the substrate 101. The upper wire support ear 51 and the lower wire support ear 52 are both movably installed in the die head seat 31, and can move relative to the positioning seat 32 under the drive of the die head seat 31, and can also move relative to each other in a direction perpendicular to the surface of the substrate 101 under the drive of the driving assembly 60. It should be noted that when winding the same layer of enameled wire, the die head seat 31 will drive the upper wire support ear 51 and the lower wire support ear 52 to move relative to the positioning seat 32 from the initial position, and the winding component 41 will rotate at the same time. For each rotation of the winding component 41, the die head seat 31 advances a diameter of the enameled wire. After the coil of this layer is wound, the die head seat 31 drives the upper wire support ear 51 and the lower wire support ear 52 to return to the initial position, and the driving component 60 moves the upper wire support ear 51 and the lower wire support ear 52 in opposite directions in a direction perpendicular to the surface of the substrate 101 by a diameter of the enameled wire, so as to open the upper wire support ear 51 and the lower wire support ear 52 to guide the winding component 41 to wind the next layer (outer layer) of the coil.

[0033] See also Figures 4 to 6The die head seat 31 provided in this embodiment has a longitudinal section P passing through the axis NN of the main shaft 20, the upper wire support ear 51 extends along the first direction F1, the first direction F1 is inclined relative to the longitudinal section P, and the positioning seat 32 is formed with an upper guide groove 321 for moving the upper wire support ear 51 along the first direction F1 when the positioning seat 32 and the die head seat 31 move relative to each other; the lower wire support ear 52 extends along the second direction F2, the second direction F2 is inclined relative to the longitudinal section P, and the positioning seat 32 is formed with a lower guide groove 322 for moving the lower wire support ear 52 along the second direction F2 when the positioning seat 32 and the die head seat 31 move relative to each other. In this embodiment, one end of the upper wire support lug 51 is connected to the die head seat 31, and the other end extends along the first direction F1. The first direction F1 is inclined relative to the longitudinal section P and forms a first angle a1 with the longitudinal section P. The range of the first angle a1 can be but is not limited to 2° to 15°, preferably 5° to 7°. An upper guide groove 321 extending along the first direction F1 is formed on the positioning seat 32. When the die head seat 31 drives the upper wire support lug 51 to move relative to the positioning seat 32, the upper wire support lug 51 is driven to move along the first direction F1 at a predetermined position above the iron core 201 and on a plane parallel to the upper end surface of the iron core 201. 1 movement; one end of the lower wire support ear 52 is connected to the die head seat 31, and the other end extends along the second direction F2, the second direction F2 is inclined relative to the longitudinal section P and forms a second angle a2 with the longitudinal section P, the range of the second angle a2 can be but not limited to 2° to 15°, preferably 5° to 7°, a lower guide groove 322 extending along the second direction F2 is formed on the positioning seat 32, when the die head seat 31 drives the lower wire support ear 52 to move relative to the positioning seat 32, the lower wire support ear 52 is driven to move along the second direction F2 at a predetermined position below the iron core 201 and on a plane parallel to the lower end surface of the iron core 201.

[0034] Please continue to see Figures 4 to 6In this embodiment, the slopes of the upper conductor lug 51 and the lower conductor lug 52 are relatively small, that is, the upper conductor lug 51 includes an upper guide plane 511 located at its inner end (close to one end of the core mounting frame 400) and an upper guide inclined surface 512 located on its top surface and extending from one end away from the core mounting frame 400 toward the core mounting frame 400 and obliquely downward to the upper guide plane 511, and the upper guide inclined surface 512 and the bottom surface of the upper conductor lug 51 are preferably 30°; the lower conductor lug 52 includes a lower guide plane 521 located at its inner end (close to one end of the core mounting frame 400) and a lower guide inclined surface 522 located on its top surface and extending from one end away from the core mounting frame 400 toward the core mounting frame 400 and obliquely downward to the lower guide plane 521, and the lower guide inclined surface 522 and the bottom surface of the lower conductor lug 52 are preferably 30°. After the positioning seat 32 abuts against the tooth portion 2011 of the core 201, the upper conductor support lug 51 is aligned with the tooth of the end piece 201a at the upper end of the core 201 (located at the uppermost end of the core 201 in the direction perpendicular to the surface of the substrate 101) that contacts the positioning seat 32, so that the first direction F1 is parallel to the two side surfaces of the tooth (the surface of the slot wall located in the slot), and the upper guide plane 511 is substantially perpendicular to the two side edges of the tooth (i.e., the edges formed on the end surface where the slot wall is located); similarly, the lower conductor support lug The upper conductor support ear 51 is aligned with the teeth of the contact positioning seat 32 of the end piece 201a at the middle and lower end of the core 201 (located at the lowest end of the core 201 in the direction perpendicular to the surface of the substrate 101), so that the second direction F2 is parallel to the two side surfaces of the tooth, and the lower guide plane 521 is substantially perpendicular to the two side edges of the tooth. That is, after the positioning seat 32 contacts the core 201, the extension direction and the movement direction of the upper conductor support ear 51 are consistent with the extension direction of the end piece 201a at the upper end of the core 201. , the extension direction of the lower conductor lug 52 and its movement direction are consistent with the extension direction of the end piece 201a at the lower end of the iron core 201, the slopes of the upper conductor lug 51 and the lower conductor lug 52 are small, the wire falls more smoothly, the enameled wire slides from the upper guide slope 512 to the upper guide plane 511, since the upper guide plane 511 is basically perpendicular to the two side edges, and the two also maintain a vertical relationship during the movement of the upper conductor lug 51, when the enameled wire moves along the upper guide plane 511 to the tooth, the gap between the enameled wire and the tooth is small, similarly, the enameled wire slides from the lower guide slope 522 to the lower guide plane 521, since the lower guide plane 521 is basically perpendicular to the two side edges, and the two also maintain a vertical relationship during the movement of the upper conductor lug 51, when the enameled wire moves along the lower guide plane 521 to the tooth, the gap between the enameled wire and the tooth is small, so that the enameled wire is more densely wound, ensuring that the number of enameled wires in each layer is large, the number of turns can be increased, so that the number of wires in each slot is large, and the magnetic field strength is improved.

[0035] See also Figure 4 and Figure 6The upper wire lug 51 and the lower wire lug 52 provided in this embodiment are arranged symmetrically relative to the axis NN of the main shaft 20. In this embodiment, the first angle a1 formed by the first direction F1 and the longitudinal section P and the second angle a2 formed by the second direction F2 and the longitudinal section P are equal. The upper wire lug 51 and the lower wire lug 52 are arranged in a manner that the first direction F1 and the second direction F2 intersect each other perpendicular to the surface of the substrate 101.

[0036] See also Figure 3 and Figure 6 The die assembly 30 provided in this embodiment also includes a wire hanging plate 35 arranged on the die seat 31 and movable relative to the die seat 31 along the axial direction of the main shaft 20. The wire hanging plate 35 includes a wire hanging portion 351 for fixing the enameled wire on the iron core 201. In this embodiment, the wire hanging plate 35 is connected to the driving assembly 60 and can move relative to the die seat 31. The bottom of the wire hanging portion 351 is provided with a wire hanging groove 352 that avoids the hook 2031 on the hook sleeve 203. It is worth mentioning that before winding, the wire hanging plate 35 is driven to pass through the positioning seat 32 and move to the corresponding hook 2031 position. The enameled wire on the winding component 41 is guided to the hook 2031 of the hook sleeve 203 through the inclined surface of the wire hanging portion 351. After the winding component 41 rotates one circle, the enameled wire can be "knotted" and fixed on the hook 2031, and then the iron core mounting frame 400 is driven to rotate the iron core 201 by an angle of a tooth before winding.

[0037] See also Figure 2 , Figure 3 and Figure 5The driving assembly 60 provided in this embodiment includes a hollow driving shaft 61, a driving power member 62, a connecting seat 63 and an operating rod 64. The driving shaft 61 is built into the main shaft 20 and is coaxial with the main shaft 20. The driving shaft 61 and the main shaft 20 are relatively movable but not relatively rotatable along the axial direction of the main shaft 20. The driving shaft 61 has a first end 611 and a second end 612 extending beyond the two ends of the main shaft 20; the driving power member 62 is connected to the first end 611 and is used to drive the driving shaft 61 to move; the connecting seat 63 is movably arranged in the die head seat 31 along the axial direction of the main shaft 20, and the second end 612 is connected to the connecting seat 63 through an adapter sleeve 65 and can rotate relative to the connecting seat 63 but cannot move; the operating rod 64 is used to drive the upper wire support ear 51 and the lower wire support ear 52 to move relative to the die head seat 31 in a direction perpendicular to the surface of the substrate 101 when the connecting seat 63 moves, and the operating rod 64 is fixedly connected to the connecting seat 63. In this embodiment, the connecting seat 63 is roughly in the shape of a rectangular parallelepiped, and the second end 612 of the driving shaft 61 is connected to a transfer sleeve 65, and a bearing is arranged between the two so that they can rotate relatively, and one end of the transfer sleeve 65 is rotatably but immovably mounted on the connecting seat 63. The driving assembly 60 also includes a driving support seat 66 that can move relative to the main bracket 10 along the axial direction of the main shaft 20, and the first end 611 of the driving shaft 61 is supported on the driving support seat 66 in a rotatable but immovable manner, and the driving power member 62 is fixed on and supported by the driving support seat 66. The driving power member 62 is but not limited to a motor. The driving power member 62 is fixed to a driving support seat 66 by screws. The output shaft of the driving power member 62 is coaxial with and fixedly connected to the lead screw. A nut seat threadedly connected to the lead screw is fixedly mounted on the main bracket 10. It can be understood that the driving power member 62 drives the driving support seat 66 to move relative to the main bracket 10, thereby driving the driving shaft 61, the connecting seat 63, and the operating rod 64 installed on the connecting seat 63 to move relative to the main shaft 20.

[0038] See also Figure 3 In the present embodiment, one end of the wire hanging plate 35 is fixedly connected to the operating rod 64, and a hole is provided on the upper wire support ear 51 for the wire hanging plate 35 to pass through. The wire hanging plate 35 and the upper wire support ear 51 can move relatively, so that the die head assembly 30 can be more compact and smaller in size.

[0039] See also Figure 3 and Figure 5The die head seat provided in this embodiment is provided with an upper chamber 311 and a lower chamber 312. The die head assembly 30 also includes an upper control block 36 connected to the upper wire support ear 51 and a lower control block 37 connected to the lower wire support ear 52; the upper control block 36 can be movably arranged in the upper chamber 311 along a direction perpendicular to the surface of the substrate 101, and the lower control block 37 can be movably arranged in the lower chamber 312 along a direction perpendicular to the surface of the substrate 101; the upper control block 36 has an upper concave cavity 361 for the operating rod 64 to extend into and an upper driving surface 36 located on the bottom surface of the upper concave cavity 361 and abutting against the end of the operating rod 64 2, the upper driving surface 362 includes an upper horizontal portion 363 and an upper inclined portion 364 extending obliquely from the upper horizontal portion 363 toward the connecting seat 63 and toward the direction of the main shaft 20; the lower control block 37 has a lower concave cavity 371 for the operating rod 64 to extend into and a lower driving surface 372 located on the bottom surface of the lower concave cavity 371 and abutting against the end of the operating rod 64, and the lower driving surface 372 includes a lower horizontal portion 373 and a lower inclined portion 374 extending obliquely from the lower horizontal portion 373 toward the connecting seat 63 and toward the direction of the main shaft 20. In this embodiment, the die head seat 31 is provided with an upper chamber 311, a middle through chamber 313 and a lower chamber 312 in sequence along a direction perpendicular to the surface of the substrate 101. The upper chamber 311, the middle through chamber 313 and the lower chamber 312 are connected in sequence. The connecting seat 63 can be movably arranged in the middle through chamber 313 along the axial direction of the main shaft 20. The upper control block 36 can be movably installed in the upper chamber 311 along a direction perpendicular to the surface of the substrate 101. The lower control block 37 can be movably installed in the lower chamber 312 along a direction perpendicular to the surface of the substrate 101. The end of the operating rod 64 is formed with a guide angle. It can be understood that when the operating rod 64 is axially moved toward the core along the main shaft 20, 201 moves, the end of the operating rod 64 abuts against the upper horizontal part 363 and the lower horizontal part 373 of the upper control block 36 and the lower control block 37, and the movement of the operating rod 64 does not drive the upper control block 36 and the lower control block 37 to move in the direction perpendicular to the surface of the substrate 101; when the operating rod 64 moves along the axial direction of the main shaft 20 away from the iron core 201, the end of the operating rod 64 abuts against the upper inclined part 364 and the lower inclined part 374 of the upper control block 36 and the lower control block 37, thereby driving the upper control block 36 connected to the upper wire support ear 51 and the lower control block 37 connected to the lower wire support ear 52 to move away from each other.

[0040] Please continue to see Figure 3 and Figure 5In the present embodiment, the die head seat 31 is connected to an upper cover plate 314 at the opening of the upper chamber 311, and the die head seat 31 is connected to a lower cover plate 315 at the opening of the lower chamber 312. A second elastic element 38 is provided between the upper cover plate 314 and the upper control block 36 and between the lower cover plate 315 and the lower control block 37. The second elastic element 38 is but not limited to a spring. Thus, under the action of the second elastic element 38, when the operating rod 64 moves axially along the main shaft 20 toward the iron core 201 on the upper inclined portion 364 and the lower inclined portion 374, and slides off the upper inclined portion 364 and the lower inclined portion 374, it will push the upper control block 36 and the lower control block 37 to reset to the connecting seat 63 respectively.

[0041] In other embodiments, the die holder 31 , the upper cover plate 314 , and the lower cover plate 315 may be integrally formed.

[0042] See also Figure 5 The end surface of the upper control block 36 provided in this embodiment is formed with an upper slide groove 365 extending in a direction orthogonal to the axial direction of the main shaft 20 (i.e., the Y-axis direction), and the upper wire support ear 51 has an upper engaging portion 513 that is engaged with the upper slide groove 365 and slidably disposed in the upper slide groove 365; the end surface of the lower control block 37 is formed with a lower slide groove 375 extending in a direction orthogonal to the axial direction of the main shaft 20, and the lower wire support ear 52 has a lower engaging portion 523 that is engaged with the lower slide groove 375 and slidably disposed in the lower slide groove 375. It can be understood that When the die head seat 31 drives the upper wire support ear 51 to move toward the iron core 201 along the X-axis direction, the upper wire support ear 51 will move along the first direction F1 and move relative to the upper control block 36 in the Y-axis direction under the guidance of the upper slide groove 365 and the upper guide groove 321. When the die head seat 31 drives the lower wire support ear 52 to move toward the iron core 201 along the X-axis direction, the lower wire support ear 52 will move along the second direction F2 and move relative to the lower control block 37 in the Y-axis direction under the guidance of the lower slide groove 375 and the lower guide groove 322.

[0043] See also Figure 3 and Figure 6The positioning seat 32 provided in this embodiment has a positioning groove 323 for the outer end of the tooth portion 2011 to be placed, and the positioning groove 323 has a positioning surface 323a located on its bottom surface and used to abut against the tooth portion 2011. The upper guide groove 321 extends from one end of the positioning seat 32 facing the die head seat 31 along the first direction F1 to the positioning surface 323a, and the lower guide groove 322 extends from one end of the positioning seat 32 facing the die head seat 31 along the second direction F2 to the positioning surface 323a. In this embodiment, the shape of the positioning groove 323 is adapted to the end face shape of the tooth portion 2011, and it is roughly in the shape of a parallelogram along the axial direction of the main shaft 20, and has an arc-shaped positioning surface 323a with a recessed middle portion. In the direction perpendicular to the surface of the substrate 101, the center of the positioning surface 323a is basically aligned with the center of the iron core 201, that is, after the positioning seat 32 contacts the iron core 201, the center of the positioning groove 323 is basically coincident with the center piece 201b in the iron core 201, and the edge of the outer end of the tooth portion 2011 is covered by the groove wall of the positioning groove 323. In this way, the positioning of the iron core 201 can be improved, and the enameled wire can be prevented from scratching the outer surface of the tooth during winding.

[0044] See also Figure 3 In the driving shaft 61 provided in this embodiment, a wire tube 70 for the external enameled wire to move is arranged inside the driving shaft 61. The wire tube 70 has a wire inlet 71 and a wire outlet 72 located at both ends thereof. The wire inlet 71 allows the enameled wire to enter the wire tube 70, and the wire outlet 72 allows the internal enameled wire to pass through. A main wire groove 21 is provided on the main shaft 20, and a driving wire groove 613 is provided on the driving shaft 61. The main wire groove 21, the driving wire groove 613, and the wire outlet 72 are connected in sequence. A wire wheel component for guiding the enameled wire to the winding component 41 is arranged inside the main wire groove 21 of the main shaft 20. It can be understood that the movement of the enameled wire can be facilitated by the wire tube 70, and the main shaft 20 and the driving shaft 61 rotate together to prevent the enameled wire passing through the wire outlet 72 from being torn off.

[0045] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modification, equivalent substitution or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A winding device for a skewed slot core, characterized in that: include: A main support is movably disposed on a base plate; A main shaft, supported on the main support; The die assembly comprises a die seat connected to the spindle and having a longitudinal section passing through the axis of the spindle, and a positioning seat for abutting against the tooth portion of the iron core to be wound, wherein the positioning seat is elastically connected to the other end of the die seat opposite to the end connected to the spindle and can move relative to the die seat in the axial direction of the spindle; A winding assembly, comprising a winding component for winding the enameled wire around the teeth of the core to be wound, the winding component being arranged on the peripheral side of the die assembly and being rotatable relative to the die assembly with the axis of the main shaft as the axis; as well as A wire assembly, comprising an upper wire lug and a lower wire lug for guiding the enameled wire to the tooth portion, wherein the upper wire lug and the lower wire lug are respectively disposed on the die head seat and spaced apart in a direction perpendicular to the surface of the substrate; The upper wire support lug extends along a first direction, the first direction is inclined relative to the longitudinal section, and an upper guide groove is formed on the positioning seat for moving the upper wire support lug along the first direction when the positioning seat and the die head seat move relative to each other; The lower wire support lug extends along a second direction, the second direction is inclined relative to the longitudinal section, and a lower guide groove is formed on the positioning seat for moving the lower wire support lug along the second direction when the positioning seat and the die head seat move relative to each other.

2. The winding device for the skewed slot core according to claim 1, characterized in that: The upper conductor lug and the lower conductor lug are arranged symmetrically with respect to the axis of the main shaft.

3. The winding device for the skewed slot core according to claim 1, characterized in that: The die assembly also includes a wire hanging plate which is arranged on the die seat and can move relative to the die seat along the axial direction of the main shaft. The wire hanging plate includes a wire hanging part for fixing the enameled wire on the iron core.

4. The winding device for the skewed slot core according to claim 1, characterized in that: Also included is a driving assembly for moving the upper wire support lug and the lower wire support lug relative to the die head holder in a direction perpendicular to the surface of the substrate; The main shaft is a hollow structure; the driving assembly comprises: A hollow drive shaft is built into the main shaft and is coaxial with the main shaft, and the drive shaft and the main shaft are arranged to be relatively movable but not relatively rotatable, and the drive shaft has a first end and a second end extending beyond the two ends of the main shaft; A driving power member connected to the first end portion and used to drive the driving shaft to move; A connecting seat is movably disposed in the die head seat along the axial direction of the main shaft, and the second end portion is connected to the connecting seat and can rotate relative to the connecting seat; and An operating rod is used to drive the upper wire support lug and the lower wire support lug to move in a direction perpendicular to the surface of the substrate, and the operating rod is fixedly connected to the connecting seat.

5. The winding device for the skewed slot core according to claim 4, characterized in that: The die head assembly also includes an upper control block connected to the upper wire support ear and a lower control block connected to the lower wire support ear; the die head seat is provided with an upper chamber and a lower chamber, the upper control block can be movably arranged in the upper chamber along a direction perpendicular to the surface of the substrate, and the lower control block can be movably arranged in the lower chamber along a direction perpendicular to the surface of the substrate; the upper control block has an upper concave cavity for the operating rod to extend into and an upper driving surface located on the bottom surface of the upper concave cavity and abutting against the end of the operating rod, the upper driving surface includes an upper horizontal part and an upper inclined part extending obliquely from the upper horizontal part toward the connecting seat and in the direction of the main shaft; the lower control block has a lower concave cavity for the operating rod to extend into and a lower driving surface located on the bottom surface of the lower concave cavity and abutting against the end of the operating rod, the lower driving surface includes a lower horizontal part and a lower inclined part extending obliquely from the lower horizontal part toward the connecting seat and in the direction of the main shaft.

6. The winding device for the skewed slot core according to claim 5, characterized in that: An upper slide groove is formed on the end surface of the upper control block and extends in a direction orthogonal to the axial direction of the main shaft, and the upper wire support ear has an upper engaging portion that is engaged with the upper slide groove and slidably arranged in the upper slide groove; a lower slide groove is formed on the end surface of the lower control block and extends in a direction orthogonal to the axial direction of the main shaft, and the lower wire support ear has a lower engaging portion that is engaged with the lower slide groove and slidably arranged in the lower slide groove.

7. The winding device for the skewed slot core according to any one of claims 1 to 6, characterized in that: The positioning seat has a positioning groove for the outer end of the tooth portion to be placed in, and the positioning groove has a positioning surface located on its bottom surface and used to abut against the tooth portion, the upper guide groove extends from one end of the positioning seat facing the die head seat along the first direction to the positioning surface, and the lower guide groove extends from one end of the positioning seat facing the die head seat along the second direction to the positioning surface.

8. The winding device for the skewed slot core according to any one of claims 1 to 6, characterized in that: The winding assembly also includes a winding bracket fixed on the main shaft and a winding power member for driving the main shaft to rotate, the winding power member is supported on the main bracket, and the winding component is fixed on and supported by the winding bracket.

9. The winding device for the skewed slot core according to any one of claims 4 to 6, characterized in that: A wire tube for moving the external enameled wire is arranged in the driving shaft, and the wire tube has a wire inlet and a wire outlet at both ends thereof, the wire inlet is for the enameled wire to enter the wire tube, and the wire outlet is for the internal enameled wire to pass through; a main wire groove is arranged on the main shaft, and a driving wire groove is arranged on the driving shaft, the main wire groove, the driving wire groove and the wire outlet are connected in sequence, and a wire wheel component for guiding the enameled wire to the winding component is arranged in the main wire groove of the main shaft.

10. The winding device for the skewed slot core according to any one of claims 4 to 6, characterized in that: The driving assembly also includes a driving support seat that can move relative to the main bracket along the axial direction of the main shaft. The first end of the driving shaft is supported on the driving support seat rotatably but not relatively movably, and the driving power member is fixed on the driving support seat and supported by the driving support seat.

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