An integrated stator framework and motor realizing quick positioning and threading of coil outgoing wires

Abstract

This invention provides an integrated stator frame and motor for rapid positioning and threading of coil leads, belonging to the field of motor manufacturing technology. The integrated stator frame includes a winding cylinder, a first end plate and a second end plate integrally connected to the axial ends of the winding cylinder, and a lead management integration unit integrally formed on the radial edge region of the outer side of the first end plate. The lead management integration unit protrudes radially outward from the outer side of the first end plate and is configured to receive the enameled wire end during the winding process. When the enameled wire end is released from the constraint of the winding machine's fly fork guide pin, it applies a limiting and retaining force along the stator axial direction to maintain the spatial position of the enameled wire end within the range corresponding to the solder pad area in the subsequent welding process. This invention, through the lead management integration unit, forms axial limiting and retaining forces on the enameled wire end and suppresses wire retraction in the routing direction, ensuring that the spatial position of the enameled wire end after being released from the winding machine's constraint precisely corresponds to the subsequent welding process.

Description

Technical Field

[0001] This invention belongs to the field of motor manufacturing technology, specifically relating to an integrated stator frame and motor that enables rapid positioning and connection of coil leads. Background Technology

[0002] Currently, the industry's management of the outgoing wires of motor stator frames involves either a pure winding frame combined with a separate terminal block, or an injection-molded stator frame that only provides the winding cylinder and baffles at both axial ends. After the winding process is completed, the enameled wire ends need to be bent and attached to the terminal block welding pins installed on the axial end face of the frame. Alternatively, it may involve a frame body combined with metal piercing terminals, with U-shaped metal piercing terminals pre-embedded or pressed into the ends of the frame. After winding, the enameled wire is pulled into the U-shaped groove, and electrical conduction is achieved by piercing the insulation enamel with the edge of the groove.

[0003] In fully automated winding production scenarios for thicker diameter enameled wires, the enameled wire is in a free state in space before it is welded and fixed. After its end is freed from the constraint of the winding machine guide pin, it is prone to springback displacement along the axial direction, which affects the alignment accuracy of the subsequent automated welding process. Summary of the Invention

[0004] This invention overcomes the shortcomings of the prior art and provides an integrated stator frame and motor that enables rapid positioning and connection of coil leads.

[0005] To achieve the above objectives, the technical solution adopted by the present invention is: an integrated stator frame for realizing rapid positioning and connection of coil leads, comprising: Winding bobbin; The first end plate is integrally connected to the first axial end of the winding cylinder, and the first end plate extends radially outward from the outer periphery of the winding cylinder. The second end plate is integrally connected to the second axial end of the winding cylinder and is arranged opposite to the first end plate along the axial direction of the winding cylinder. The wire management integration unit is integrally formed on the outer surface of the first end plate and located in the radial edge region of the first end plate. The wire management integration unit protrudes radially outward from the outer surface of the first end plate. The wire management integration unit is used to receive the enameled wire end in the winding process and apply a limiting and retaining force along the stator axial direction to the enameled wire end when the enameled wire end is released from the constraint of the guide pin of the winding machine fly fork, so as to maintain the spatial position of the enameled wire end within the range corresponding to the solder pad area of ​​the subsequent welding process.

[0006] Furthermore, the outbound management integration department includes: The base is integrally connected to the outermost radial edge of the outer side of the first end plate and extends radially outward. The base has a top surface parallel to the axial direction of the stator. The L-shaped sink is located on the top surface of the base. The L-shaped sink includes a straight guide section and a turning-back limiting section. The straight guide section extends radially inward from the outer edge of the base along the stator radially, and the turning-back limiting section extends radially inward from the inner end of the straight guide section along the stator circumferentially.

[0007] Furthermore, the outgoing line management integration unit also includes an elastic pressure tongue; the elastic pressure tongue is a cantilever beam structure, integrally formed on the top surface of the base and located above the entrance of the straight inlet section, the root of the elastic pressure tongue is integrally connected to the radial outer edge of the base, and the free end of the elastic pressure tongue extends radially inward toward the straight inlet section.

[0008] Furthermore, the lower surface of the elastic pressure tongue is provided with a guide slope, which gradually moves away from the bottom of the groove of the straight inlet section from the free end toward the root.

[0009] Furthermore, there is a vertical gap between the lower surface of the free end of the elastic pressure tongue and the bottom of the groove of the straight guide section, which is smaller than the diameter of the enameled wire to be accommodated.

[0010] Furthermore, the bottom of the straight inlet section is a reverse slope of the arc surface, which has a slightly concave arc shape that first decreases and then increases along the extension direction of the straight inlet section.

[0011] Furthermore, a triangular support reinforcing rib is provided at the root of the upper surface of the elastic depressor, and the two vertical sides of the triangular support reinforcing rib are integrally connected to the upper surface of the elastic depressor and the top surface of the base, respectively.

[0012] Furthermore, the outgoing line management integration unit also includes a single-guide anti-rotation micro-ridge array; the single-guide anti-rotation micro-ridge array includes multiple continuously arranged micro-ridges, which are integrally formed on at least one side wall of the straight inlet section of the L-shaped settling tank. The cross-section of each micro-ridge is asymmetrical, wherein the side of the micro-ridge facing the inlet direction of the straight inlet section is a gentle slope surface, and the side of the micro-ridge facing away from the inlet direction of the straight inlet section is a steep stop surface perpendicular to the plane of the side wall.

[0013] Furthermore, an umbrella-shaped hanging island is provided at the end of the turnaround limiting section, the umbrella-shaped hanging island comprising: The column body is integrally formed on the top surface of the base, and the column body is a blind column structure that does not penetrate the first end plate; The umbrella-shaped anti-slip cap is integrally molded on the axial top of the column body, and the radial dimension of the umbrella-shaped anti-slip cap is larger than the radial dimension of the column body; There is a circumferential gap between the outer circumferential wall of the column and the wall of the L-shaped sink, and the width of the circumferential gap is greater than the diameter of the enameled wire to be accommodated.

[0014] Another technical solution provided by the present invention: a motor for realizing rapid positioning and connection of coil leads, comprising the above-mentioned integrated stator frame.

[0015] This invention addresses the shortcomings of the prior art and has the following beneficial effects: The lead-out management integration unit adopts a combined structure of a base, an L-shaped groove, and an elastic pressure tongue. During the winding process, the enameled wire end, guided by the guide pin of the winding machine's fly fork, enters the straight inlet section of the L-shaped groove. The enameled wire end squeezes the elastic pressure tongue, causing it to elastically flex and deform, falling past its free end into the straight inlet section. The elastic pressure tongue then returns to its free state. When the winding machine cutter cuts the enameled wire and the fly fork guide pin disengages from the wire end, the residual bending stress inside the wire end drives it to tilt upwards along the stator axis away from the first end plate. The lower surface of the free end of the elastic pressure tongue contacts the wire end axially and mechanically blocks its tilting motion, limiting the axial displacement of the wire end to within the vertical gap between the lower surface of the free end of the elastic pressure tongue and the bottom of the straight inlet section groove. Simultaneously, the turning path between the reversing limiting section and the straight guiding section causes contact friction between the enameled wire and the sidewall of the L-shaped sinker, resisting the pullback movement of the enameled wire end along the wire routing direction through frictional force. Therefore, after the enameled wire end is released from the winding machine's constraint, the wire management integration unit applies an axial limiting holding force and a wire routing direction pullback suppression force to the enameled wire end, maintaining its spatial position within the range corresponding to the solder pad area of ​​the subsequent welding process.

[0016] The outgoing line management integration unit further includes a single-guide anti-rotation micro-ridge array. This array consists of multiple micro-ridges continuously arranged on the sidewall of the straight inlet section of the L-shaped trough. The side of each micro-ridge facing the inlet of the straight inlet section is a gentle slope, while the side facing away from the inlet is a steep stop perpendicular to the plane of the sidewall. During motor operation, when the enameled wire expands due to temperature increase, a small amount of forward movement along the wire's path towards the folding-back limiting section is permitted. The gentle slope releases the internal compressive stress generated by the thermal expansion of the enameled wire, preventing bending deformation. When the enameled wire contracts due to temperature decrease or experiences high-frequency vibration, causing a reverse movement towards the inlet of the straight inlet section, the insulation of the enameled wire contacts the steep stop of the micro-ridge. The steep stop forms a rigid mechanical stop against the reverse movement of the enameled wire, while the insulation of the enameled wire undergoes local elastic embedding deformation, forming a one-way reverse locking mechanism that suppresses the reverse contraction displacement of the enameled wire. The single-guide anti-rotation micro-ridge array blocks the cumulative effect of reciprocating creep of the enameled wire under the coupled conditions of temperature cycle change and high frequency vibration, and maintains the stable positioning of the enameled wire end in the L-shaped sink.

[0017] The end of the reversing and limiting section is equipped with an umbrella-shaped wire-hanging island, which includes a column and an umbrella-shaped anti-slip cap. The column is a blind column structure that does not penetrate the first end plate, and a circumferential gap is formed between the outer circumferential wall of the column and the wall of the L-shaped sinker. During the winding process, the guide pin of the winding machine's fly fork guides the enameled wire end to move linearly along the reversing and limiting section into the circumferential gap and then around the outer circumferential wall of the column, passing around a preset wrap angle before terminating. This eliminates the need for complex turning and positioning actions, simplifying the movement trajectory of the winding machine's end. When the enameled wire end is subjected to a pullback force along the direction of the linear guide section, the enameled wire generates a self-locking frictional force in the wrap angle contact area on the outer side of the column, conforming to Euler's formula for flexible body friction, thus locking the enameled wire end to the umbrella-shaped wire-hanging island. The umbrella-shaped anti-slip cap forms a rigid mechanical barrier against the enameled wire when it tends to slip along the axial direction of the column. The blind column structure of the column body maintains the continuity of the plastic solid of the first end plate, and the insulation creepage distance along this area is not shortened during the high-voltage insulation test of the stator frame.

[0018] In the integrated stator frame of this invention, the wire management integration unit, the winding cylinder, the first end plate, and the second end plate are integrally injection molded into a single part. During the wire feeding stage of the winding process, the elastic pressure tongue provides clearance for the wire end to enter the L-shaped groove through elastic flexural deformation. During the static stage after the wire end is released from the winding machine's constraint, the elastic pressure tongue and the L-shaped groove's folding-back limiting section work together to constrain the axial upward displacement and the wire retraction displacement of the wire end, respectively. Under the vibration and temperature alternation conditions of actual motor operation, the single-guide anti-rotation micro-ridge array suppresses the reciprocating creep of the wire within the L-shaped groove, and the umbrella-shaped wire-hanging island maintains the long-term positioning stability of the wire end through self-locking friction and the axial blocking of the umbrella-shaped anti-detachment cap. The wire management integration unit achieves comprehensive effects such as rapid wire threading, axial limit retention, pullback suppression, and long-term vibration and loosening prevention in the feeding stage, the static stage after cutting, and the motor operation stage of the winding process, and is suitable for fully automatic continuous production processes of winding and welding. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Figure 1 This is a schematic diagram of the integrated stator frame structure; Figure 2 This is a structural diagram of the outgoing line management integration department; Figure 3 This is a cross-sectional view of the outgoing line management integration unit; Figure 4This is a schematic diagram of the structure of a single-guided anti-rotation micro-ridge array; Figure 5 This is a schematic diagram of the structure of the umbrella-shaped hanging wire island; In the diagram: 1. Winding cylinder; 2. First end plate; 3. Second end plate; 4. Outgoing line management integration unit; 41. Base; 42. L-shaped sinkhole; 421. Straight inlet section; 422. Turnback limiting section; 423. Sloping arc surface at the bottom of the sinkhole; 424. Side wall; 43. Elastic pressure tongue; 431. Guide slope; 432. Triangular support reinforcing rib; 433. Lower surface of free end; 44. Single-guide anti-rotation micro-ridge array; 441. Micro-ridge; 441a. Gentle slope; 441b. Steep stop surface; 45. Umbrella-shaped hanging island; 451. Column; 452. Umbrella-shaped anti-detachment cap; 453. Encircling gap. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein. Therefore, the scope of protection of the invention is not limited to the specific embodiments disclosed below.

[0022] In the description of this application, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the scope of protection of this application. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this invention, unless otherwise stated, "a plurality of" means two or more.

[0023] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art will understand the specific meaning of the above terms in this application based on the specific circumstances.

[0024] Application Overview: The existing skeleton end plate's outer plane only provides positioning within a two-dimensional plane, with one unconstrained degree of freedom in the axial direction perpendicular to this plane. After the winding tension is removed, the elastic potential energy stored in the bent section of the enameled wire needs to be released. However, the frictional force between the smooth plastic surface and the enameled wire is less than its bending rebound driving force, lacking a point for applying local mechanical reaction force to the enameled wire end to form a closed-loop force flow. Based on this, this invention proposes to effectively constrain the axial lifting displacement and the wire-direction retraction displacement of the enameled wire end in the fully automated winding process, at the critical moment when the enameled wire end is freed from the constraint of the winding machine's fly fork guide pin and in the subsequent static state.

[0025] This invention, while maintaining the structure of the winding cylinder and end plates unchanged, integrally forms a wire management integration unit with axial limiting and retaining function on the outer extension region of one of the end plates. The wire management integration unit is configured to receive the enameled wire end during the winding process, and apply a limiting and retaining force along the stator axial direction to the enameled wire end when the enameled wire end is released from the constraint of the guide pin of the winding machine, so as to maintain the spatial position of the enameled wire end within the range corresponding to the solder pad area of ​​the subsequent welding process.

[0026] Exemplary device: like Figure 1 As shown, an integrated stator frame for realizing rapid positioning and connection of coil leads includes a winding cylinder 1, a first end plate 2, a second end plate 3, and a lead management integration unit 4.

[0027] The winding cylinder 1 is a hollow cylindrical shape, with an inner circumferential surface and an outer circumferential surface. The inner circumferential surface is used to fit and fix with the outer surface of the teeth of the motor stator core, while the outer circumferential surface is used to wind enameled wire to form a coil winding. The wall thickness of the winding cylinder is adapted to the predetermined structural strength requirements of the number of coil turns and the size of the stator core. The two axial ends of the winding cylinder 1 are integrally connected to the first end plate 2 and the second end plate 3, respectively. The winding cylinder 1 provides radial winding support for the coil winding, and at the same time, it achieves electrical insulation between the stator core and the coil winding. The winding cylinder 1 transfers the load generated during the operation of the coil winding to the stator core.

[0028] The first end plate 2 is integrally connected to the axial first end of the winding cylinder 1, located between the winding space of the winding cylinder 1 and the lead wire management integration unit 4. The first end plate 2 is an annular plate extending radially outward from the outer periphery of the winding cylinder 1. The first end plate 2 has an inner side facing the winding space and an outer side facing away from the winding space. The radially inner edge of the inner side of the first end plate 2 is integrally connected to the axial first end of the winding cylinder 1, and the outer side of the first end plate 2 is the mounting base surface of the lead wire management integration unit 4. The radial extension height of the first end plate is sufficient to define the outer diameter boundary of the coil winding, and the distance between the first end plate and the second end plate in the axial direction of the winding cylinder is adapted to the preset axial width of the coil winding. The first end plate 2 and the second end plate 3 together define the axial width and radial accommodating space of the coil winding, constraining the movement of the enameled wire along the axial direction of the winding cylinder 1 during the winding process. At the same time, the first end plate 2 provides mounting support and a force flow transmission path for the lead wire management integration unit 4.

[0029] The second end plate 3 is integrally connected to the second axial end of the winding cylinder 1, and is disposed opposite to the first end plate 2 along the axial direction of the winding cylinder 1. The second end plate 3 is an annular plate extending radially outward from the outer circumference of the winding cylinder 1, and has an inner side facing the winding space and an outer side facing away from the winding space. The radially inner edge of the inner side of the second end plate 3 is integrally connected to the second axial end of the winding cylinder 1. The radial extension height of the second end plate is adapted to the radial extension height of the first end plate. The second end plate 3 and the first end plate 2 cooperate to form a closed winding space for the coil winding, constraining the movement of the enameled wire along the axial direction of the winding cylinder 1 during the winding process, and maintaining the regular arrangement of the coil winding.

[0030] The winding cylinder 1, the first end plate 2, the second end plate 3, and the wire management integration unit 4 are formed into a single part by injection molding of thermoplastic plastic using the same injection mold.

[0031] The lead wire management integration unit 4 is integrally formed on the outer surface of the first end plate 2, located in the radial edge region of the first end plate 2. The lead wire management integration unit 4 protrudes radially outward from the outer surface of the first end plate 2, the inner boundary of the lead wire management integration unit 4 is integrally connected to the outer surface of the first end plate 2, and the outer boundary of the lead wire management integration unit 4 extends radially outward toward the stator. During the winding process, the lead wire management integration unit 4 receives the enameled wire end from the winding space. When the enameled wire end is released from the guide pin of the winding machine fly fork, the lead wire management integration unit 4 applies a limiting and retaining force along the axial direction of the stator to the enameled wire end, maintaining the spatial position of the enameled wire end within the range corresponding to the solder pad area of ​​the subsequent welding process.

[0032] The typical working condition of the above-mentioned integrated stator frame is the fully automatic winding process of the stator of a brushless motor for an automotive cooling fan or electric water pump, which is compatible with the wire diameter specifications to be used.

[0033] Before the winding process begins, the integrated stator frame is fixed to the clamp of the winding machine. The guide pin of the winding machine's fly fork is located at the starting winding position near the first end plate 2. The enameled wire is led out from the guide pin, and the end of the enameled wire is introduced into the output management integration unit 4. The winding machine drives the integrated stator frame to rotate, and the enameled wire is sequentially wound around the outer circumference of the winding cylinder 1. Each turn of the enameled wire is constrained by the inner surfaces of the first end plate 2 and the second end plate 3, and is kept within the winding space formed by the winding cylinder 1, the first end plate 2, and the second end plate 3. When the winding reaches the preset number of turns, the fly fork guide pin guides the lead-out end of the enameled wire to the output management integration unit 4. The lead-out end of the enameled wire crosses the inner surface of the first end plate 2 and enters the output management integration unit 4, extending along a preset path to a predetermined position. The cutter cuts the enameled wire outside the wire management integration unit 4. At the moment of cutting, the lead-out end of the enameled wire loses the active constraint of the flying fork guide pin. The residual bending stress inside the lead-out end of the enameled wire drives the lead-out end of the enameled wire to move away from the first end plate 2 along the stator axis. The wire management integration unit 4 forms a mechanical block against the movement trend of the lead-out end of the enameled wire and resists the pullback movement of the lead-out end of the enameled wire along the wire routing direction, thereby maintaining the spatial position of the end of the enameled wire within the range corresponding to the solder pad area of ​​the subsequent welding process.

[0034] The aforementioned integrated stator frame, through the wire management integration unit 4, limits and retains the enameled wire end, constraining the axial displacement and wire routing direction displacement of the enameled wire end after it is freed from the winding machine constraint, so that the spatial position of the enameled wire end corresponds to the solder pad area of ​​the subsequent welding process, adapting to the continuous production process of fully automatic winding and welding.

[0035] The functions of the aforementioned outgoing line management integration unit 4 can be implemented by various specific structures. The following embodiments will further propose one or more specific structures of the outgoing line management integration unit 4 under specific operating conditions.

[0036] Example 1: The wire management integration unit 4 receives the enameled wire end from the winding space during the winding process. When the enameled wire end is freed from the constraint of the guide pin of the winding machine fly fork, a limiting and retaining force along the stator axial direction is applied to the enameled wire end to limit the spatial position of the enameled wire end within the range corresponding to the solder pad area of ​​the subsequent welding process.

[0037] This embodiment further proposes a specific structural implementation of the lead wire management integration unit 4. During the operation of the lead wire management integration unit 4, it needs to constrain the axial tilting displacement and the wire-path retraction displacement of the enameled wire end at the moment of cutting, adapting to the continuous process of fully automated winding production. If a conventional planar friction limiting or simple groove receiving structure is used, under the condition of automated winding of enameled wire, after the enameled wire end is separated from the flying fork guide pin, the driving force generated by the release of residual bending stress inside the enameled wire end is much greater than the frictional force between the enameled wire and the smooth plastic surface. The enameled wire end will still tilt axially beyond the effective working stroke of the subsequent welding equipment, and the axial tilting of the enameled wire end will cause the automated welding alignment to fail.

[0038] Therefore, the outgoing line management integration unit 4 in this embodiment adopts the following structure.

[0039] like Figures 1 to 3 As shown, the outgoing line management integration unit 4 includes a base 41, an L-shaped recess 42, and an elastic pressure tongue 43. The base 41 is located in the radial edge region of the first end plate 2. The inner radial end of the base 41 is integrally connected to the outermost radial edge of the outer surface of the first end plate 2, and the outer radial end of the base 41 extends radially outward from the stator. The base 41 provides a mounting base for the remaining structures of the outgoing line management integration unit 4. The base 41 is a rectangular solid structure with a top surface parallel to the axial direction of the stator. The top surface of the base 41 is planar. The axial thickness of the base is the same as the axial thickness of the first end plate, and the radial extension length and circumferential width of the base are sufficient to accommodate the outgoing line management structure. The base 41 is integrally injection molded with the first end plate 2. The base 41 can directly transfer the load borne by the top surface bearing structure to the first end plate 2, and the base 41 provides stable rigid support for the limiting structure of the enameled wire end.

[0040] L-shaped recess 42 is formed on the top surface of base 41 and serves as a routing channel for accommodating the end of enameled wire. L-shaped recess 42 includes a straight guide section 421 and a return limiting section 422. The straight guide section 421 extends radially inward from the outer edge of base 41 along the stator radially. The return limiting section 422 extends radially inward from the inner end of the straight guide section 421 along the stator circumferentially. The connection between the straight guide section 421 and the return limiting section 422 is a rounded transition. The straight guide section 421 has a bottom arc-shaped reverse slope 423 and opposing side walls 424. Both side walls 424 are perpendicular to the top surface of base, and the distance between the side walls 424 is greater than the diameter of the enameled wire to be accommodated. The bottom arc-shaped reverse slope 423 has a slightly concave arc shape that first decreases and then increases along the extension direction of the straight guide section 421. The radius of curvature of the bottom arc-shaped reverse slope is much larger than the diameter of the enameled wire to be accommodated, thus forming the slightly concave arc shape. The vertical depth of the lowest point of the arc-shaped reverse slope at the bottom of the groove from the top surface of the base is adapted to the diameter of the enameled wire to be accommodated, so that the enameled wire is constrained within the region of the lowest point of the arc surface. When the enameled wire is subjected to tension along the extension direction of the straight guide section 421, the slightly concave arc surface of the arc-shaped reverse slope 423 at the bottom of the groove can generate a centripetal component force pointing towards the center of the arc surface on the enameled wire. The centripetal component force of the arc-shaped reverse slope 423 at the bottom of the groove constrains the enameled wire within the region of the lowest point of the arc surface. The centripetal component force of the arc-shaped reverse slope 423 at the bottom of the groove inhibits the movement of the enameled wire along the wire's direction. At the same time, the arc-shaped reverse slope 423 at the bottom of the groove provides a stable bottom support reference for the axial limit of the enameled wire.

[0041] The elastic pressure tongue 43 is a cantilever beam structure, integrally formed on the top surface of the base 41, located directly above the entrance of the straight guide section 421. The root of the elastic pressure tongue 43 is integrally connected to the radial outer edge of the base 41, and the free end of the elastic pressure tongue 43 extends radially inward toward the straight guide section 421. A guide slope 431 is provided on the lower surface of the elastic pressure tongue 43. The guide slope 431 gradually moves away from the bottom arc surface reverse slope 423 of the groove from the free end of the elastic pressure tongue 43 toward the root of the elastic pressure tongue 43, and is used to apply an upward component force to the end of the enameled wire when it enters, so as to guide the elastic pressure tongue 43 to produce elastic flexural deformation. A triangular support reinforcing rib 432 is provided at the root of the upper surface of the elastic pressure tongue 43. The two vertical sides of the triangular support reinforcing rib 432 are integrally connected to the upper surface of the elastic pressure tongue 43 and the top surface of the base 41, respectively. The thickness of the triangular support reinforcing rib is sufficient to enhance the structural strength of the root of the elastic pressure tongue. The minimum vertical gap between the lower surface of the free end of the elastic pressure tongue and the reverse slope of the arc surface at the bottom of the groove is less than the diameter of the enameled wire to be accommodated, so as to form an axial limit on the end of the enameled wire. The elastic pressure tongue has a preset cantilever length and thickness, so that it can generate elastic flexural deformation when subjected to the extrusion force of the enameled wire, providing clearance space for the enameled wire to enter the straight guide section 421; when the enameled wire enters the reverse slope of the arc surface at the bottom of the groove 423, the elastic pressure tongue 43 can return to the free state. The lower surface 433 of the free end of the elastic pressure tongue 43 and the reverse slope of the arc surface at the bottom of the groove together form a limit on the end of the enameled wire along the axial direction of the stator. When the axial rebound force of the end of the enameled wire acts on the lower surface of the elastic pressure tongue 43, it is transmitted to the base 41 through the root of the elastic pressure tongue 43 and the triangular support reinforcing rib 432. The rebound force is then transmitted to the first end plate 2, suppressing the axial warping of the end of the enameled wire.

[0042] In the fully automated winding process of the integrated stator frame, after the winding machine's fly fork guides the enameled wire end to complete the preset number of turns, the fly fork guides the enameled wire end to the output wire management integration unit 4. Guided by the fly fork guide, the enameled wire end enters the straight inlet section 421 of the L-shaped groove 42 from the radial outer edge of the base 41, and first contacts the guide slope 431 of the elastic pressure tongue 43. As the fly fork guide continues to feed, the enameled wire end slides along the guide slope 431, applying an upward compressive force to the elastic pressure tongue 43. The compressive force causes the elastic pressure tongue 43 to transition from a free state to an elastic flexural deformation state. The free end of the elastic pressure tongue 43 tilts upward along the stator axis, increasing the gap between the lower surface 433 of the free end of the elastic pressure tongue 43 and the arc-shaped slope 423 at the bottom of the groove. This increased gap provides clearance for the enameled wire end to enter the straight guide section 421. After the enameled wire end passes the free end of the elastic pressure tongue 43, it falls into the arc-shaped slope 423 at the bottom of the groove. Under its own elastic restoring force, the elastic pressure tongue 43 recovers from the elastic flexural deformation state to the free state.

[0043] The flying fork guide pin continues to guide the enameled wire end along the extension direction of the straight guide section 421 until the enameled wire end enters the end of the return limiting section 422. The enameled wire contacts the side wall 424 of the L-shaped groove 42 at the turning point between the straight guide section 421 and the return limiting section 422, forming a wrap angle. The winding machine cutter cuts the enameled wire radially outside the base 41, and the flying fork guide pin immediately disengages from the enameled wire end. The enameled wire end loses its external active constraint, and the residual bending stress inside the enameled wire end drives the enameled wire end to have a tendency to warp away from the first end plate 2 along the stator axis, and a tendency to retract along the straight guide section 421 towards the entrance.

[0044] To address the axial upward tendency of the enameled wire tip, the lower surface 433 of the free end of the elastic pressure tongue 43 contacts the upper surface of the enameled wire tip axially, forming a mechanical block against the upward movement of the enameled wire tip. This limits the axial displacement of the enameled wire tip to the vertical gap between the lower surface 433 of the free end of the elastic pressure tongue 43 and the groove bottom arc surface reverse slope 423, ensuring that the axial displacement of the enameled wire tip does not exceed the effective working stroke of the subsequent welding equipment. To address the retraction tendency of the enameled wire tip, the contact friction between the sidewall 424 of the folding and limiting section 422 and the enameled wire generates frictional resistance against the retraction movement of the enameled wire tip. At the same time, the centripetal force generated by the groove bottom arc surface reverse slope 423 on the enameled wire further suppresses the radial movement of the enameled wire. The centripetal force of the groove bottom arc surface reverse slope 423 maintains the spatial position of the enameled wire tip within a preset range after it is freed from the constraint of the winding machine, ensuring that the spatial position of the enameled wire tip precisely corresponds to the solder pad area of ​​the subsequent welding process.

[0045] Example 2: In Example 1, the cooperation of the base 41, L-shaped groove 42, and elastic pressure tongue 43 achieves axial warping limitation and reverse pullback suppression of the enameled wire end after it is released from the winding machine constraint, ensuring that the spatial position of the enameled wire end precisely corresponds to the solder pad area of ​​the subsequent welding process. However, in the actual operating conditions of an automotive cooling fan motor, the motor stator continuously endures high-frequency vibration and simultaneously withstands thermal shock over a wide temperature range. Due to the order-of-magnitude difference in the coefficients of thermal expansion between the metal conductor of the enameled wire and the plastic material of the stator frame, under the coupling effect of temperature cycling and high-frequency vibration, the enameled wire will generate reciprocating creep along the wire direction within the L-shaped groove 42. If the reciprocating creep of the enameled wire continues to accumulate, the wrap angle of the enameled wire end within the folding limit section 422 will gradually decrease, and the enameled wire end may even loosen and shift, disrupting the preset spatial position of the enameled wire end, thereby affecting the electrical connection stability during motor operation.

[0046] To address the derivative problems of enameled wires, the outgoing wire management integration unit 4 in this embodiment further includes a single-guided anti-rotation micro-ridge array 44.

[0047] like Figures 2 to 4 As shown, the single-guide anti-rotation micro-ridge array 44 includes multiple continuously arranged micro-ridges 441. All micro-ridges 441 are integrally formed on at least one sidewall 424 of the straight guide section 421 of the L-shaped sink 42. All micro-ridges 441 and the base 41 are formed in one step using the same injection mold. The arrangement direction of the single-guide anti-rotation micro-ridge array 44 is consistent with the extension direction of the straight guide section 421, and there is a preset arrangement spacing between adjacent micro-ridges. The total length of the arrangement of micro-ridges 441 covers the area of ​​the straight guide section 421 that effectively accommodates the enameled wire. The micro-ridges cover the effective area of ​​the straight guide section according to the preset total arrangement length, which can be adapted and adjusted according to the actual length of the straight guide section 421.

[0048] Each micro-ridge 441 has an asymmetrical right-angled triangular cross-section. The side of the micro-ridge 441 facing the entrance of the straight guide section 421 is a gentle slope surface 441a. The gentle slope surface 441a is an inclined surface, which makes the resistance encountered by the enameled wire when moving forward less than the stopping force when moving backward, and does not affect the normal feeding of the winding machine's flying fork guide to the enameled wire. The side of the micro-ridge 441 facing away from the entrance of the straight guide section 421 is a steep stop surface 441b. The steep stop surface 441b is perpendicular to the plane containing the side wall 424, and the top of the steep stop surface 441b smoothly transitions to the top of the gentle slope surface 441a. The protrusion height of the micro-ridge is less than the thickness of the enameled wire insulation sheath, avoiding irreversible mechanical damage.

[0049] When the end of the enameled wire moves forward from the entrance of the straight guide section 421 towards the turnback limiting section 422 during the winding process, the insulation of the enameled wire slides along the gentle slope surface 441a of the micro-ridge 441. When the enameled wire tends to move in the reverse direction towards the entrance of the straight guide section 421 due to thermal expansion and contraction or high-frequency vibration, the insulation of the enameled wire comes into direct contact with the steep stop surface 441b of the micro-ridge 441. The steep stop surface 441b, perpendicular to the wire direction, forms a rigid mechanical stop on the reverse movement of the enameled wire. At the same time, the insulation of the enameled wire undergoes local elastic embedding deformation under the action of the stopping force, and the insulation of the enameled wire embeds into the gap between adjacent micro-ridges 441, further increasing the resistance to the reverse movement of the enameled wire and forming a one-way reverse locking effect. A small amount of positive movement of the enameled wire toward the folding-back limiting section 422 is still allowed. This can release the compressive stress generated inside the enameled wire when the temperature rises and the wire expands, thus preventing the wire from bending or deforming or its insulation from being damaged due to limited thermal expansion.

[0050] In the fully automated winding process of the integrated stator frame, the guide pin of the winding machine guides the enameled wire end into the straight inlet section 421 of the L-shaped groove 42. The enameled wire end moves forward along the straight inlet section 421 towards the return limiting section 422. During the movement, the insulation sheath of the enameled wire contacts the gentle slope surface 441a of each microridge 441 of the single-guide anti-rotation microridge array 44 in sequence, and slides smoothly along the gentle slope surface 441a with only small sliding resistance. It does not change the preset feed trajectory of the guide pin, and the enameled wire end can move smoothly to the end of the return limiting section 422 to complete the wire positioning. After the winding machine cutter cuts the enameled wire, the elastic pressure tongue 43 and the groove bottom arc surface reverse slope 423 form an axial limit. The side wall 424 of the folding limit section 422 provides frictional resistance to resist the pullback movement of the enameled wire end, maintaining the initial spatial position of the enameled wire end. The single-guide anti-rotation micro-ridge array 44 is in a standby state, maintaining contact with the enameled wire insulation sheath but without generating additional constraints.

[0051] In the actual operating conditions of an automotive cooling fan motor, the motor stator continuously endures high-frequency vibrations as the motor rotates, while the ambient temperature cyclically changes within a wide temperature range. When the ambient temperature rises, the metal conductor of the enameled wire elongates along the wire's direction due to thermal expansion, driving the wire to move slightly in the direction of the folding-back limiting section 422. The gentle slope of the single-guide anti-rotation micro-ridge array 44 releases the internal compressive stress generated by the thermal expansion of the enameled wire, preventing bending deformation. When the ambient temperature decreases, the metal conductor of the enameled wire contracts along the wire's direction due to cold contraction, driving the wire to move in the opposite direction towards the entrance of the straight guide section 421. At this time, the insulation sheath of the enameled wire is in close contact with the steep stop surface 441b of the micro-ridge 441. The steep stop surface 441b forms a rigid stop against the reverse movement of the enameled wire, while the insulation sheath of the enameled wire undergoes local elastic embedding deformation, forming a unidirectional reverse locking mechanism that suppresses the reverse contraction displacement of the enameled wire. Under continuous high-frequency vibration of the motor, the unidirectional anti-reverse structure of the single-guide anti-rotation micro-ridge array 44 can block the cumulative effect of the reciprocating creep of the enameled wire, prevent the enameled wire from continuously shifting its position in the L-shaped sink 42, and ensure that the wrap angle of the enameled wire end in the folding limit section 422 is maintained within the preset range, without the wrap angle decreasing or loosening.

[0052] Example 3: In Example 1, the axial warping of the enameled wire end after it is released from the winding machine constraint is limited, and the wire routing direction is suppressed, ensuring that the spatial position of the enameled wire end corresponds precisely to the pad area of ​​the subsequent welding process. However, in the case of mass fully automated winding production, the enameled wire end in Example 1 is finally accommodated at the end of the folding limit section 422. The enameled wire end is positioned by the lateral friction of the groove wall of the L-shaped groove 42. The guide pin of the winding machine needs to complete a precise folding and positioning action in the groove. The end movement trajectory of the guide pin of the winding machine is complex, which requires high repeatability of the winding machine and is not conducive to improving the cycle efficiency of mass production. At the same time, existing similar wire exit structures often use a through hole to hang the enameled wire end, which will shorten the insulation creepage distance of the stator skeleton. Under the high voltage insulation test conditions of automotive electronic components, there is a safety risk of insulation breakdown.

[0053] To simplify the end movement trajectory of the flying fork guide pin of the winding machine, improve the efficiency of mass production, and eliminate the risk of insulation creepage caused by through holes, this embodiment replaces the groove structure at the end of the return limiting section 422 with an umbrella-shaped hanging island 45.

[0054] like Figure 5As shown, the umbrella-shaped wire-hanging island 45 is located at the end of the return-limiting section 422 of the L-shaped sink 42, and is integrally formed with the base 41 using the same injection mold. The axial center of the umbrella-shaped wire-hanging island 45 is parallel to the axial direction of the stator, and the radial center of the umbrella-shaped wire-hanging island 45 is aligned with the extension center line of the return-limiting section 422. The umbrella-shaped wire-hanging island 45 includes a column body 451 and an umbrella-shaped anti-detachment cap 452. A circumferential gap 453 is formed between the outer circumferential wall of the column body 451 and the wall of the L-shaped sink 42.

[0055] The column 451 is a cylindrical solid structure. The root of the column 451 is integrally connected to the top surface of the base 41. The column 451 is a blind column structure, not penetrating the base 41 and the first end plate 2. A continuous plastic solid layer is maintained between the bottom surface of the root of the column 451 and the outer surface of the first end plate 2. The axial height of the column 451 is consistent with the groove depth of the L-shaped groove 42. The diameter of the column is more than twice the diameter of the enameled wire to be accommodated, providing a supporting base for the winding of the enameled wire. The circumferential outer wall of the column is a smooth cylindrical surface, with a clearance fit between it and the insulation sheath of the enameled wire. The column 451 provides a stable supporting base for the winding of the enameled wire. Simultaneously, the blind column structure of the column 451 maintains the continuity of the plastic solid of the first end plate 2, preventing shortening the insulation creepage distance of the stator frame and avoiding the risk of insulation breakdown caused by penetrating gaps.

[0056] The umbrella-shaped anti-slip cap 452 is integrally formed at the axial top of the column body 451, and has a disc-shaped structure. The maximum radial dimension of the umbrella-shaped anti-slip cap 452 is larger than the radial dimension of the column body 451. The radial edge of the umbrella-shaped anti-slip cap extends beyond the outer circumference of the column body by a distance greater than half the diameter of the enameled wire to be accommodated, thus forming a rigid mechanical barrier. The lower surface of the umbrella-shaped anti-slip cap 452 is an annular plane facing the root of the column body 451, perpendicular to the axial direction of the column body 451. The vertical distance between the umbrella-shaped anti-slip cap 452 and the top surface of the base 41 is equal to the axial height of the column body 451, and the vertical distance between the umbrella-shaped anti-slip cap 452 and the top surface of the base 41 is consistent with the groove depth of the L-shaped groove 42. The upper surface of the umbrella-shaped anti-slip cap 452 is a conical surface that gradually rises from the edge to the center. The conical shape of the upper surface of the umbrella-shaped anti-slip cap is used to avoid motion interference, preventing motion interference between the fly fork guide pin and the umbrella-shaped anti-slip cap 452 during the winding process. The lower surface of the umbrella-shaped anti-slip cap 452 forms a limit in the axial direction. When the enameled wire tends to slip along the axial direction of the column 451 under vibration conditions, the lower surface of the umbrella-shaped anti-slip cap 452 contacts the upper surface of the enameled wire, forming a rigid mechanical block against the slippage movement of the enameled wire, ensuring that the enameled wire is in the preset winding position.

[0057] The annular gap 453 is an annular channel formed between the outer circumferential wall of the column 451 and the wall of the folding and limiting section 422 of the L-shaped sink 42. It extends completely circumferentially along the column 451. The bottom of the annular gap 453 smoothly transitions to the curved slope 423 of the sink bottom, without any steps or protrusions. The width of the annular gap is greater than the diameter of the enameled wire to be accommodated, providing a guiding channel for the enameled wire to surround the column. The annular gap 453 and the enameled wire are in a clearance fit. The annular gap 453 provides a guiding channel for the winding of the enameled wire, ensuring that the end of the enameled wire can be smoothly wound around the outside of the column 451 under the guidance of the guide pin, ensuring that the end of the enameled wire forms a stable wrap angle structure.

[0058] When the enameled wire end is wound around the outside of the column and forms a sufficient wrap angle, if the enameled wire end is subjected to tension along the straight guide section 421, the enameled wire will generate a frictional force in the wrap angle contact area outside the column 451 that conforms to Euler's formula for flexible body friction. The frictional force increases exponentially with the increase of the wrap angle. At this time, the frictional force can generate sufficient self-locking friction to stably lock the enameled wire end at the umbrella-shaped hanging island 45, without relying on the lateral friction of the groove wall of the L-shaped sinker 42 for positioning. The guide pin of the winding machine only needs to guide the enameled wire end to move linearly along the folding limit section 422 into the winding gap 453, and terminate after passing the preset wrap angle. There is no need to complete the complex in-groove folding and positioning action, which greatly simplifies the movement trajectory of the winding machine end and reduces the requirements for the positioning accuracy of the winding machine.

[0059] In the fully automated winding process of the integrated stator frame, after the winding machine's fly fork guides the enameled wire end to complete the preset number of turns, the fly fork guides the enameled wire end to the wire management integration unit 4. Guided by the fly fork guide, the enameled wire end enters the inlet of the straight guide section 421 of the L-shaped groove 42 from the radial outer edge of the base 41. The enameled wire end first contacts the guide slope 431 of the elastic pressure tongue 43. As the fly fork guide continues to feed, the enameled wire end slides along the guide slope 431, and the enameled wire end applies an upward squeezing force to the elastic pressure tongue 43, causing the elastic pressure tongue 43 to enter an elastic flexural deformation state from a free state. The free end of the elastic pressure tongue 43 tilts upward along the stator axis, and the gap between the lower surface 433 of the free end of the elastic pressure tongue 43 and the arc slope 423 of the groove bottom increases, providing clearance space for the enameled wire end to enter the straight guide section 421. After the end of the enameled wire passes the free end of the elastic pressure tongue 43, it falls into the reverse slope 423 of the bottom arc surface of the groove. Under the action of its own elastic restoring force, the elastic pressure tongue 43 returns from the elastic flexural deformation state to the free state, and the elastic pressure tongue 43 re-forms the axial limit.

[0060] The fly fork guide pin continues to guide the enameled wire end to move along the extension direction of the straight inlet section 421. After the enameled wire end enters the return limiting section 422, it moves linearly along the extension direction of the return limiting section 422 to the end of the encircling gap 453. The fly fork guide pin guides the enameled wire end around the circumferential outer wall of the column body 451 and then terminates the feed, without performing complex turning and positioning actions. The winding machine cutter then cuts the enameled wire radially outside the base 41. The fly fork guide pin disengages from the enameled wire end, and the enameled wire end loses its external active constraint. The residual bending stress inside the enameled wire end drives the enameled wire end to have a tendency to warp away from the first end plate 2 along the stator axis, and a tendency to retract along the straight inlet section 421 towards the entrance.

[0061] To address the axial lifting tendency of the enameled wire end, the lower surface 433 of the free end of the elastic pressure tongue 43 contacts the upper surface of the enameled wire end in the axial direction, forming the first mechanical barrier against the lifting movement of the enameled wire end. At the same time, the lower surface of the umbrella-shaped anti-detachment cap 452 contacts the upper surface of the enameled wire wrapped around the outside of the column body 451, forming the second mechanical barrier against the axial displacement of the enameled wire. The dual limiting structure of the elastic pressure tongue 43 and the umbrella-shaped anti-detachment cap 452 restricts the axial displacement of the enameled wire end within a preset range, ensuring that the axial displacement of the enameled wire end does not exceed the effective working stroke of the subsequent welding equipment. In response to the tendency of the enameled wire tip to retract, the retraction force on the enameled wire tip acts on the outer corner contact area of ​​the column 451. The retraction force generates a self-locking frictional force that conforms to the Euler formula for flexible body friction. The self-locking frictional force increases synchronously with the increase of the retraction force, suppressing the radial retraction movement of the enameled wire and stably locking the enameled wire tip at the umbrella-shaped wire hanging island 45, maintaining the spatial position of the enameled wire tip and accurately corresponding to the solder pad area of ​​the subsequent welding process.

[0062] In the actual operating conditions of automotive cooling fan motors, the motor stator continuously endures high-frequency vibrations and must withstand thermal shocks across a wide temperature range. The self-locking friction force generated by the umbrella-shaped wire-hanging island 45 maintains the positioning of the enameled wire ends, while the umbrella-shaped anti-detachment cap 452 prevents the enameled wire from slipping or shifting along the axial direction of the column 451. The umbrella-shaped anti-detachment cap 452 prevents the enameled wire ends from becoming loose or shifting, ensuring the stability of the electrical connection during motor operation. Under the high-voltage insulation test conditions of the stator frame, since the column 451 is a blind column structure that does not penetrate the first end plate 2, the plastic body of the first end plate 2 remains continuous and intact. The insulation creepage distance in the plastic body area of ​​the first end plate 2 is not shortened by any gaps, meeting the high-voltage insulation performance requirements of automotive electronic components and avoiding the risk of insulation breakdown caused by through holes.

[0063] The diameter of the aforementioned column 451, the protrusion size of the umbrella-shaped anti-detachment cap 452, and the width of the surrounding gap 453 can be flexibly adjusted according to the wire diameter specifications of the enameled wire to be accommodated, adapting to the winding requirements of the enameled wire, while also being compatible with the hanging and positioning scenarios of multi-strand stranded wires.

[0064] Example application: A motor for rapid positioning and connection of coil leads includes the integrated stator frame described in any of the above embodiments, and is a brushless motor for automotive cooling fans or automotive electronic water pumps. The inner circumferential surface of the winding cylinder 1 of the integrated stator frame is fixedly attached to the outer surface of the teeth of the motor stator core. The outer circumferential surface of the winding cylinder 1 is wound with stator coil windings made of enameled wire. During the winding process, the lead-out end of the enameled wire is guided into the lead-out management integration unit 4 by the guide pin of the winding machine. The lead-out management integration unit 4 completes the positioning of the wire path and axial displacement constraint. The spatial position of the lead-out end corresponds one-to-one with the solder pad area of ​​the motor's matching control circuit board, realizing the electrical connection between the stator coil winding and the control circuit.

[0065] Based on the preferred embodiments of the present invention described above, those skilled in the art can make various changes and modifications without departing from the inventive concept. The technical scope of this invention is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. An integrated stator frame for achieving rapid positioning and connection of coil leads, characterized in that, include: Winding bobbin; The first end plate is integrally connected to the axial first end of the winding cylinder, and the first end plate extends radially outward from the outer peripheral surface of the winding cylinder. The second end plate is integrally connected to the second axial end of the winding cylinder and is disposed opposite to the first end plate along the axial direction of the winding cylinder. The wire management integration unit is integrally formed on the outer surface of the first end plate and located in the radial edge region of the first end plate. The wire management integration unit protrudes radially outward from the outer surface of the first end plate. The wire management integration unit is used to receive the enameled wire end in the winding process and apply a limiting and retaining force along the stator axial direction to the enameled wire end when the enameled wire end is released from the constraint of the guide pin of the winding machine, so as to maintain the spatial position of the enameled wire end within the range corresponding to the solder pad area of ​​the subsequent welding process.

2. The integrated stator frame according to claim 1, characterized in that, The outgoing line management integration unit includes: The base is integrally connected to the outermost radial edge of the outer side of the first end plate and extends radially outward. The base has a top surface parallel to the axial direction of the stator. An L-shaped groove is formed on the top surface of the base. The L-shaped groove includes a straight guide section and a turning-back limiting section. The straight guide section extends radially inward from the outer edge of the base along the stator radially, and the turning-back limiting section extends radially inward from the inner end of the straight guide section along the stator circumferentially.

3. The integrated stator frame according to claim 2, characterized in that, The outgoing line management integration unit also includes an elastic pressure tongue; the elastic pressure tongue is a cantilever beam structure, integrally formed on the top surface of the base and located above the entrance of the straight inlet section, the root of the elastic pressure tongue is integrally connected to the radial outer edge of the base, and the free end of the elastic pressure tongue extends radially inward toward the straight inlet section.

4. The integrated stator frame according to claim 3, characterized in that, The lower surface of the elastic pressure tongue is provided with a guide slope, which gradually moves away from the bottom of the groove of the straight guide section from the free end toward the root.

5. The integrated stator frame according to claim 3, characterized in that, The lower surface of the free end of the elastic pressure tongue has a vertical gap with the bottom of the groove of the straight guide section that is smaller than the diameter of the enameled wire to be accommodated.

6. The integrated stator frame according to claim 2, characterized in that, The bottom of the straight inlet section is a reverse slope of the arc surface, and the reverse slope of the arc surface of the bottom of the groove has a slightly concave arc shape that first decreases and then increases along the extension direction of the straight inlet section.

7. The integrated stator frame according to claim 3, characterized in that, The upper surface of the elastic depressor is provided with a triangular support reinforcing rib at its root. The two vertical sides of the triangular support reinforcing rib are integrally connected to the upper surface of the elastic depressor and the top surface of the base, respectively.

8. The integrated stator frame according to claim 2, characterized in that, The outgoing line management integration unit also includes a single-guide anti-rotation micro-ridge array; the single-guide anti-rotation micro-ridge array includes multiple continuously arranged micro-ridges, the micro-ridges are integrally formed on at least one side wall of the straight inlet section of the L-shaped settling tank, each micro-ridge has an asymmetrical cross-section, wherein the side of the micro-ridge facing the inlet direction of the straight inlet section is a gentle slope surface, and the side of the micro-ridge facing away from the inlet direction of the straight inlet section is a steep stop surface perpendicular to the plane of the side wall.

9. The integrated stator frame according to claim 2, characterized in that, The end of the reversing limiting section is provided with an umbrella-shaped hanging island, the umbrella-shaped hanging island comprising: The column body is integrally formed on the top surface of the base, and the column body is a blind column structure that does not penetrate the first end plate; An umbrella-shaped anti-slip cap is integrally formed on the axial top end of the column body, and the radial dimension of the umbrella-shaped anti-slip cap is larger than the radial dimension of the column body; Wherein, a circumferential gap is formed between the outer circumferential wall of the column and the wall of the L-shaped sink, and the width of the circumferential gap is greater than the diameter of the enameled wire to be accommodated.

10. A motor for achieving rapid positioning and threading of coil leads, characterized in that, Includes the integrated stator frame as described in any one of claims 1 to 9.

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