Stator assembly tooling

Abstract

The stator assembly tool provided by the present invention includes an assembly mechanism and a pressure-holding mechanism, wherein the assembly mechanism includes an assembly plate, the assembly plate is provided with a plurality of receiving slots capable of accommodating the iron cores of the stator; the pressure-holding mechanism is connected to the assembly mechanism, and the pressure-holding mechanism can press against the ends of the plurality of iron cores to press the plurality of iron cores one-to-one into the plurality of receiving slots so that the end faces of the respective iron cores are located in the same plane. The stator assembly tool provided by the present invention presses against the ends of the plurality of iron cores through the pressure-holding mechanism to press the plurality of iron cores one-to-one into the plurality of receiving slots so that the end faces of the respective iron cores are located in the same plane, thereby improving the assembly yield of the stator; in addition, the pressure-holding mechanism is connected to the assembly mechanism, so there is no need to continuously manually act on the pressure-holding mechanism to achieve continuous pressure on the stator, freeing up both hands and facilitating assembly, thereby ensuring the assembly efficiency of the stator.

Description

Technical Field

[0001] The present application relates to the field of assembly jigs, and in particular to stator assembly tooling. Background Art

[0002] A motor typically consists of a stator, rotor, and bearings. The stator is a key component, consisting primarily of an iron core, coil windings, and a housing. The coil windings are wound around the iron core, which is encased in the housing. To assemble the stator, multiple iron cores with coil windings must first be bonded together into a cylindrical structure. To ensure assembly accuracy, an assembly jig is required.

[0003] However, when assembling the stator using an existing assembly jig, the end faces of multiple iron cores may be uneven, resulting in a low assembly yield of the stator. Summary of the Invention

[0004] The purpose of the embodiment of the present invention is to provide a stator assembly tool that can keep the end faces of each iron core flat and improve the assembly yield of the stator. The embodiment of the present invention achieves the above purpose through the following technical solutions.

[0005] The present invention provides a stator assembly tool, comprising:

[0006] An assembly mechanism, the assembly mechanism comprising an assembly plate, the assembly plate being provided with a plurality of accommodating slots capable of accommodating the iron core of the stator; and

[0007] A pressure-holding mechanism is connected to the assembly mechanism, and the pressure-holding mechanism can press against the ends of the multiple iron cores to press the multiple iron cores one by one into the multiple accommodating grooves so that the end faces of the various iron cores are located in the same plane.

[0008] In one embodiment, the assembly mechanism further includes a panel connected to the assembly plate. The panel is provided with positioning holes corresponding to positions of the plurality of accommodating slots to accommodate the plurality of stators.

[0009] In one embodiment, the enclosure plate includes two menisci, both of which are connected to the assembly plate, each of which is provided with a semicircular notch, and the notches of the two menisci together enclose the positioning hole.

[0010] In one embodiment, the assembly plate is further provided with a wiring groove, which can accommodate the lead-out wires of the coil winding of the stator, and the wiring groove extends along a first direction. The two menisci are both arranged across the wiring groove, and the gap between the two menisci extends along a second direction, and the first direction is different from the second direction.

[0011] In one embodiment, the assembly mechanism further includes an assembly ring, which is disposed on the assembly plate and cooperates with the assembly plate to form the accommodating groove.

[0012] In one embodiment, the assembly ring is provided with a snap-fit ​​structure, and the snap-fit ​​structure is suitable for snap-fitting with the housing of the stator.

[0013] In one embodiment, the pressure maintaining mechanism includes a base plate, a support member and an elastic pressure member, the base plate is connected to the assembly plate, the support member is connected to the base plate, and the elastic pressure member is movably arranged on the support member and can selectively press against the ends of the multiple iron cores or separate from the multiple iron cores.

[0014] In one embodiment, the elastic pressure member is capable of rotating relative to the support member, and the pressure maintaining mechanism further includes a limiting pin, which is arranged on the elastic pressure member, and the support member is provided with a limiting hole, and the limiting pin is adapted to the limiting hole, and the limiting hole is exposed on the top surface of the support member.

[0015] In one embodiment, the assembly plate is further provided with a center hole, and a plurality of the accommodating grooves are arranged around the center hole, the axis of the center hole is perpendicular to the plane where the assembly plate is located, and the assembly mechanism also includes an assembly shaft, which is passed through the assembly plate and the assembly shaft is passed through the center hole.

[0016] In one embodiment, the pressure-maintaining mechanism is provided with a guide hole, and the assembly shaft can be passed through the guide hole.

[0017] Compared with the prior art, the stator assembly tool provided by the present invention includes an assembly mechanism and a pressure-holding mechanism. The assembly mechanism includes an assembly plate, and the assembly plate is provided with a plurality of receiving slots capable of accommodating the iron cores of the stator; the pressure-holding mechanism is connected to the assembly mechanism, and the pressure-holding mechanism can press against the ends of the plurality of iron cores to press the plurality of iron cores one-to-one into the plurality of receiving slots so that the end faces of the respective iron cores are located in the same plane. The stator assembly tool provided by the present invention presses against the ends of the plurality of iron cores through the pressure-holding mechanism to press the plurality of iron cores one-to-one into the plurality of receiving slots so that the end faces of the respective iron cores are located in the same plane, thereby improving the assembly yield of the stator; in addition, the pressure-holding mechanism is connected to the assembly mechanism, so there is no need to continuously manually act on the pressure-holding mechanism to achieve continuous pressure on the stator, freeing up both hands and facilitating assembly, thereby ensuring the assembly efficiency of the stator. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the conventional technology, the following briefly introduces the drawings required for use in the embodiments or the conventional technology descriptions. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 This is a schematic structural diagram of the stator assembly tooling provided in this application.

[0020] Figure 2 for Figure 1 The application diagram of the stator assembly tool is shown.

[0021] Figure 3 for Figure 1 The structural schematic diagram of the assembly mechanism of the stator assembly tool is shown.

[0022] Figure 4 for Figure 3 Another structural schematic diagram of the assembly mechanism shown.

[0023] Figure 5 for Figure 4 A partial enlarged view of point A.

[0024] Figure 6 for Figure 3 Another structural schematic diagram of the assembly mechanism shown.

[0025] Figure 7 for Figure 1 Exploded view of the shroud of the stator assembly fixture is shown.

[0026] Figure 8 for Figure 1 Assembly drawing of the stator assembly tooling enclosure shown.

[0027] Figure 9 for Figure 3 Schematic diagram of the application of the assembly mechanism shown.

[0028] Figure 10 for Figure 1 An exploded view of the stator assembly tooling is shown.

[0029] Figure 11 for Figure 10 A partial enlarged view at point B.

[0030] Figure 12 for Figure 1 The structural schematic diagram of the support plate of the stator assembly tool is shown.

[0031] Figure 13 for Figure 1The structural schematic diagram of the pressure maintaining mechanism of the stator assembly tool is shown.

[0032] Figure 14 for Figure 1 Another structural schematic diagram of the stator assembly tool is shown.

[0033] Figure 15 for Figure 14 Cross-sectional view along CC direction.

[0034] Reference numerals:

[0035] Stator assembly tool 10, assembly mechanism 100, pressure maintaining mechanism 200, iron core 300, coil winding 400, stator 500, first direction S1, second direction S2;

[0036] Assembly plate 110, enclosure 120, receiving groove 130, fixing screw 140, assembly ring 150, positioning magnetic member 160, assembly shaft 170;

[0037] Mounting slot 111, positioning slot 112, wiring slot 113, center hole 114, boss 115;

[0038] Notch 121, positioning hole 122, meniscus 123;

[0039] Buckle structure 151;

[0040] Base plate 210, support member 220, limiting pin 230, elastic pressure member 240;

[0041] Assembly groove 211, assembly hole 212;

[0042] Vertical plate 221, support plate 222, limiting hole 223, through slot 224, linear slot 225;

[0043] Pressing shaft 241, elastic member 242, pressing head 243, force applying portion 244, guide hole 245;

[0044] End face 310. DETAILED DESCRIPTION

[0045] To make the above-mentioned objects, features, and advantages of the present application more clearly understood, the specific embodiments of the present application are described in detail below with reference to the accompanying drawings. The following description sets forth many specific details to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways than those described herein, and those skilled in the art can make similar improvements without violating the scope of the present application. Therefore, the present application is not limited to the specific embodiments disclosed below.

[0046] It should be noted that when a component is referred to as being "fixed to" or "disposed on" another component, it may be directly on the other component or there may be a central component. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may be a central component at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in the specification of this application are for illustrative purposes only and do not represent the only implementation method.

[0047] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of such features. Throughout the description of this application, "plurality" means at least two, for example, two, three, etc., unless otherwise specifically defined.

[0048] In this application, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it can mean that the first feature is directly in contact with the second feature, or the first feature and the second feature are indirectly in contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it can mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is higher in level than the second feature. When a first feature is "below," "below," or "below" a second feature, it can mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is lower in level than the second feature.

[0049] Unless otherwise defined, all technical and scientific terms used in the specification of this application have the same meaning as commonly understood by those skilled in the art to which this application belongs. The terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The term "and / or" used in the specification of this application includes any and all combinations of one or more of the relevant listed items.

[0050] See also Figures 1 to 3The stator assembly tool 10 provided by the present invention includes an assembly mechanism 100 and a pressure-holding mechanism 200. The assembly mechanism 100 includes an assembly plate 110, which is provided with a plurality of accommodating grooves 130 capable of accommodating the iron cores 300 of the stator 500; the pressure-holding mechanism 200 is connected to the assembly mechanism 100, and the pressure-holding mechanism 200 can press against the ends of the plurality of iron cores 300 to press the plurality of iron cores 300 one by one against the plurality of accommodating grooves 130, so that the end faces 310 of the respective iron cores 300 are located in the same plane. The pressure-holding mechanism 200 presses the respective iron cores 300 of the stator 500 one by one against the assembly mechanism 100 by applying pressure in a planar manner, so that the end faces 310 of the respective iron cores 300 are located in the same plane.

[0051] In one embodiment, the stator 500 includes a plurality of cores 300. In this embodiment, the stator 500 includes six cores 300, each of which is wound with a coil winding 400. During the assembly process of the stator 500, the plurality of cores 300 wound with coil windings 400 need to be assembled together and formed into a cylindrical whole. Therefore, glue needs to be applied to the two opposing surfaces of two adjacent coil windings 400 in advance to facilitate the formation of a cylindrical whole structure after the glue is fixed. In each embodiment, the stator assembly tool 10 includes an assembly mechanism 100 and a pressure holding mechanism 200. The assembly mechanism 100 is used to assemble the plurality of cores 300 wound with coil windings 400, and the pressure holding mechanism 200 is used to press the plurality of cores 300 against the assembly mechanism 100, thereby ensuring the flatness of the end faces of the cores 300 of the stator 500 and ensuring the consistency of the relative position and thickness of the glue layer between the two adjacent cores 300 after the glue is cured. In addition, the pressure maintaining mechanism 200 can also ensure that the glue can fully exert its bonding strength.

[0052] It should be noted that after the pressure-maintaining mechanism 200 presses the multiple iron cores 300 against the assembly mechanism 100 , the stator assembly tool 10 as a whole needs to be placed in an oven for baking to accelerate the solidification speed of the glue.

[0053] In this embodiment, the assembly mechanism 100 includes an assembly plate 110 having a plurality of receiving slots 130 for receiving the iron cores 300 of the stator 500. A pressure-maintaining mechanism 200 is connected to the assembly mechanism 100 and is capable of pressing against the ends of the plurality of iron cores 300 to compress the plurality of iron cores 300 one by one against the plurality of receiving slots 130, so that the end faces 310 of each iron core 300 lie in the same plane. Furthermore, each iron core 300 has two end faces 310, and the stator 500 is wound with a coil winding 400 around the portion of the iron core 300 between the two end faces 310. One end face 310 of each iron core 300 abuts the assembly plate 110 in a receiving slot 130, while the other end face 310 lies in the same plane as the other end faces 310 of the other iron cores 300.

[0054] In one embodiment, the assembly mechanism 100 is provided with at least three receiving slots 130 for accommodating the cores 300 of the stator 500, with each slot 130 accommodating a single stator 500. The pressure-maintaining mechanism 200 applies pressure to each core 300 against each slot 130 in a planar manner, thereby ensuring that the end faces 310 of each core 300 lie in the same plane. In this embodiment, six receiving slots 130 are shown, accommodating six stators 500. Other embodiments may also utilize the same number of receiving slots 130, depending on the number of cores 300 in the stator 500. This will not be described in detail here.

[0055] Combine Figure 4 and Figure 5 In one embodiment, the assembly mechanism 100 includes an assembly plate 110, which is provided with positioning grooves 112. An accommodating groove 130 is located on the assembly plate 110. The accommodating grooves 130 and the positioning grooves 112 are provided in equal numbers, and each accommodating groove 130 corresponds to each positioning groove 112. Each positioning groove 112 is used to cooperate with a corresponding accommodating groove 130 to position and install the iron core 300. The positioning grooves 112 do not necessarily need to accommodate the iron core 300; they only need to position the iron core 300 so that it is accommodated in the accommodating grooves 130.

[0056] In this embodiment, the assembly plate 110 further defines a mounting groove 111, and positioning grooves 112 are formed in the mounting groove 111, that is, each positioning groove 112 is disposed in the mounting groove 111. Furthermore, in one embodiment, the mounting groove 111 communicates with the receiving groove 130 via the positioning groove 112. In this embodiment, the assembly mechanism 100 includes an assembly plate 110, wherein the bottom of the assembly plate 110 defines a mounting groove 111, wherein the mounting groove 111 defines a plurality of positioning grooves 112 capable of accommodating positioning magnetic members 160. The top of the assembly plate 110 defines a plurality of receiving grooves 130 capable of accommodating the iron core 300. The number of the receiving grooves 130 is equal to the number of the positioning grooves 112, and each positioning groove 112 corresponds to one receiving groove 130. The provision of the positioning magnetic members 160 facilitates the adsorption and positioning of the iron core 300, facilitates the placement of the iron core 300, ensures that the stator 500 stands upright, facilitates the subsequent arrangement of the lead wires of the coil winding 400, and improves assembly speed. Furthermore, in one embodiment, the assembly mechanism 100 also includes a plurality of positioning magnetic members 160, and the plurality of positioning magnetic members 160 are arranged on the assembly plate 110, each positioning magnetic member 160 corresponds to the position of a receiving groove 130, and the plurality of positioning magnetic members 160 can be attracted one-to-one with the plurality of iron cores 300.

[0057] In this embodiment, the assembly mechanism 100 also includes a positioning magnetic part 160 arranged in the positioning groove 112. The positioning magnetic part 160 is used to adsorb the iron core 300, that is, the positioning magnetic part 160 is embedded. The function of the embedded positioning magnetic part 160 is to provide a stable magnetic field to ensure that the stator 500 and its iron core 300 can be tightly adsorbed on the positioning magnetic part 160, thereby ensuring that the iron core 300 of the stator 500 stands up, which is convenient for the subsequent combing of the lead wires of the coil winding 400. The lead wires are initially 12 wires, and each stator 500 has a lead wire at the top and bottom, and finally they are sorted into 3 input wires. If the iron core 300 of the stator 500 does not stand up, the lines will be very chaotic, so the installation and selection of the embedded positioning magnetic part 160 are more critical. Furthermore, the positioning magnetic part 160 is an axially magnetized magnetic part, including a magnet or other magnetic body, and the magnetic field directions of the two adjacent positioning magnetic parts 160 are set in opposite directions during assembly to ensure the stability of the overall structure.

[0058] Combine Figure 11 In one embodiment, the assembly plate 110 is further provided with a center hole 114, and a plurality of receiving grooves 130 are arranged around the center hole 114, and the axis of the center hole 114 is perpendicular to the plane where the assembly plate 110 is located. In this embodiment, the assembly plate 110 is provided with a center hole 114 and a plurality of bosses 115, and the plurality of bosses 115 are radially distributed and arranged around the center hole 114. The assembly mechanism 100 also includes an assembly shaft 170, which is provided through the assembly plate 110, and a plurality of receiving grooves 130 are arranged around the assembly shaft 170, and the axis of the assembly shaft 170 is perpendicular to the plane where the assembly plate 110 is located. In one embodiment, the assembly shaft 170 passes through the mounting groove 111 and is perpendicularly provided through the center hole 114 of the assembly plate 110, wherein the assembly shaft 170 can be provided in the center hole 114 of the assembly plate 110 by an interference fit. The assembly shaft 170 can be used to ensure that the core 300 is perpendicular to the assembly plate 110 when the stator 500 is installed, thereby ensuring the coaxiality of the core 300 and the housing. Furthermore, in one embodiment, the assembly shaft 170 is made of Teflon to reduce wear on the coil winding 400 during assembly.

[0059] See also Figures 6 to 8In one embodiment, the assembly mechanism 100 further includes a panel 120, which is connected to the assembly plate 110. The panel 120 is provided with positioning holes 122, which correspond to the positions of the plurality of receiving slots 130 to accommodate the plurality of stators 500. In one embodiment, the assembly mechanism 100 or its assembly plate 110 is formed with positioning holes 122, which are used to accommodate the stators 500 to ensure the cylindricity of the stators 500 after curing. The panel 120 includes two menisci 123, both of which are connected to the assembly plate 110. Each meniscus 123 is provided with a semicircular notch 121, and the notches 121 of the two menisci 123 together enclose a positioning hole 122.

[0060] In this embodiment, the assembly plate 110 is further provided with a wiring groove 113, which can accommodate the lead wires of the coil winding 400 of the stator 500. The wiring groove 113 extends along the first direction S1, and the two menisci 123 are both arranged across the wiring groove 113. The gap between the two menisci 123 extends along the second direction S2. The first direction S1 is different from the second direction S2, which can reduce the effect of the strength reduction caused by the wiring groove 113, thereby ensuring the structural strength of the assembly plate 110 and extending the service life of the stator assembly tooling. In this embodiment, the first direction S1 and the second direction S2 can be perpendicular to each other. In other embodiments, the first direction S1 and the second direction S2 can also be other angles other than 0° or 180°, for example, 30°, 45° or 120°, etc., which can be set according to actual conditions.

[0061] Combine Figure 9 , the stator core 300 and its coil winding 400 are fixed in the positioning hole 122. In this embodiment, the assembly mechanism 100 also includes two menisci 123, each of which is provided with a semicircular notch 121. The two semicircular notches 121 can be closed to form a positioning hole 122 to accommodate the core 300. The menisci 123 are fixed to the assembly plate 110 below by screws. The menisci 123 can offset the coil winding 400 to ensure that the coil winding 400 will not change due to the slight expansion of the glue during drying, thereby ensuring the cylindricity of the assembled stator 500, which is beneficial for the subsequent assembly of the stator 500 in the shell. Such a design is beneficial for fixing the core 300 of the stator 500 on the one hand, and for ensuring the cylindrical surface of the stator 500 after assembly on the other hand, thereby ensuring the coaxiality of the core 300 and the shell of the stator 500.

[0062] To solve the technical problem of quickly installing the iron core, in one embodiment, both menisci 123 are slidably mounted on the assembly plate 110. Furthermore, in one embodiment, both menisci 123 are slidably mounted on the assembly plate 110 via a slide rail, and the two menisci 123 are connected by an elastic member, so that the two menisci 123 automatically enclose together along the slide rail under the action of the elastic member to form a positioning hole 122. That is, when no external force is applied, the two menisci 123 remain spliced ​​to form the positioning hole 122. When an external force is applied, the two menisci 123 separate to facilitate the removal of the stator 500. This design, on the one hand, facilitates the quick and convenient fixing of the stator iron core, on the other hand, facilitates the quick fixing of the two menisci 123, and on the other hand, facilitates the regularity of the positioning hole formed by the two menisci 123 enclosed together, thereby improving processing efficiency while ensuring the coaxiality of the assembly of the iron core 300 and the stator 500 shell, further ensuring the stator assembly yield.

[0063] Combine Figure 11 In one embodiment, the assembly mechanism 100 further includes an assembly ring 150, which is disposed on the assembly plate 110 and cooperates with the assembly plate 110 to form a receiving groove 130. Furthermore, the assembly ring 150 can form a receiving groove 130 together with a plurality of bosses 115 on the assembly plate 110 to accommodate each iron core 300. Furthermore, the assembly ring 150 can be fixed to the assembly plate 110 by two fixing screws 140 so that a gap is formed between the assembly ring 150 and the assembly plate 110. In one embodiment, the assembly ring is provided with a snap-fit ​​structure 151, which is suitable for snap-fitting with the outer shell of the stator 500, so as to facilitate the overall assembly of the assembly ring 150, the iron core 300 and the outer shell, thereby avoiding the need to separately assemble the assembly ring 150 with the iron core 300 and the outer shell, thereby improving the assembly speed and convenience of the stator 500. In a specific implementation, the snap-fit ​​structure 151 can be a snap-fit ​​groove or a protrusion, etc., as long as it ensures that the assembly ring 150 can snap-fit ​​with the outer shell of the stator 500.

[0064] Furthermore, in this embodiment, the assembly ring 150 is a polyetheretherketone (Poly-etheretherKetone, Peek) ring, which is arranged on the top of the assembly plate 110. In this application, a polyetheretherketone ring is also provided on the top of the assembly plate 110 and is fixed to the assembly plate 110 by two fixing screws 140. Specifically, the two fixing screws 140 are arranged on opposite sides of the Peek ring and pressed against its outer edge so that the wiring groove 113 is connected to the accommodating groove 130 through the gap. On the one hand, it is conducive to accommodating the lead wires of the coil winding 400, and on the other hand, it is conducive to protecting the thinner lead wires and avoiding the breakage of the lead wires, thereby ensuring the quality of the stator 500.

[0065] It should be noted that the lead wires of the stator 500 are very easy to break and cannot withstand multiple foldings. Therefore, wire routing holes need to be reserved. The reason for not directly setting the accommodating groove 130 for positioning the iron core 300 on the assembly plate 110 is that the Peek ring and the outer shell have a snap-fit assembly. Using the Peek ring instead of the built-in groove is beneficial for the subsequent process of assembling the outer shell. That is, it is convenient to achieve the overall assembly of the assembly ring 150, the iron core 300, and the outer shell. On the other hand, the wire routing of the three output wires also passes through the wire routing holes between the Peek ring and the outer shell. Such a design eliminates the need for subsequent wire threading operations, which is convenient and fast while reducing the risk of wire breakage. On the other hand, the Peek ring can effectively separate the adhesive from the assembly plate 110, preventing the adhesive from flowing into the bottom surface of the assembly plate 110 and facilitating the removal of the assembled stator 500.

[0066] As Figure 10 shown, in one embodiment, the pressure maintaining mechanism 200 includes a bottom plate 210, a support member 220, and an elastic pressing member 240. The bottom plate 210 is connected to the assembly plate 110. For example, the assembly plate 110 can be attached to the bottom plate 210 by screws. The support member 220 is connected to the bottom plate 210, and the elastic pressing member 240 is movably disposed on the support member 220 and can selectively press against the ends of the plurality of iron cores 300 or separate from the plurality of iron cores 300. In one embodiment, the support member 220 is fixed on the bottom plate 210, and the elastic pressing member 240 has a part that moves on the support member 220. The elastic pressing member 240 has a state of position change relative to the stator 500, and presses each iron core 300 against each accommodating groove 130 in a plane pressing manner.

[0067] As Figures 12 to 15 shown, in one embodiment, the bottom plate 210 is provided with an assembly groove 211 for avoiding the installation of the assembly mechanism 100 or its assembly plate 110. In this embodiment, the bottom plate 210 is further provided with assembly holes 212, and the assembly plate 110 is fixed to the bottom plate 210 through the assembly holes 212.

[0068] In this embodiment, the support member 220 includes a fixed vertical plate 221 and a support plate 222. Among them, the support plate 222 is disposed opposite to the bottom plate 210, and the vertical plate 221 is fixedly connected between the bottom plate 210 and the support plate 222. In one embodiment, the vertical plate 221 is perpendicular to the bottom plate 210, and both the support plate 222 and the assembly plate 110 are parallel to the bottom plate 210 to form a stable and controllable tooling environment, which is beneficial for cooperating to achieve automated assembly operations.

[0069] In one embodiment, the limiting hole 223 formed in the support plate 222 includes a through slot 224 and a linear slot 225. The through slot 224 is disposed at the middle position of the linear slot 225, such that the limiting hole 223 is generally in the shape of a Chinese character '中'.

[0070] The elastic pressure member 240 can rotate relative to the support member 220. The pressure-maintaining mechanism 200 also includes a limiting pin 230, which is provided on the elastic pressure member 240 and is adapted to the linear groove 225 of the limiting hole 223. The limiting pin 230 is used to cooperate with the support member 220 to limit the extreme position of the elastic pressure member 240 relative to the stator 500. The support member 220 is provided with a limiting hole 223, and the limiting pin 230 is adapted to the limiting hole 223. The limiting hole 223 is exposed on the top surface of the support member 220, so that when the limiting pin 230 moves to the top, it can be misaligned with the limiting hole 223 as the elastic pressure member 240 rotates, thereby preventing the elastic pressure member 240 from falling, so as to facilitate the removal of the assembled stator 500 or the placement of the stator 500 to be assembled.

[0071] Furthermore, the elastic pressure member 240 includes a pressure shaft 241, an elastic member 242, a pressure head 243 and a force-applying portion 244, wherein the pressure head 243 and the force-applying portion 244 are respectively fixed to the two ends of the pressure shaft 241, the limiting pin 230 is fixed to the pressure shaft 241 along the radial direction of the pressure shaft 241, the elastic member 242 is sleeved outside the pressure shaft 241, and is located between the limiting pin 230 and the pressure head 243, and the elastic member 242 also abuts between the pressure head 243 and the support plate 222. The pressing shaft 241 is adapted to the through groove 224 of the limiting hole 223. The pressing shaft 241 passes through the limiting hole 223 and under the action of the force-applying part 244, drives the pressing head 243 to move relative to the stator 500 on the assembly mechanism 100, that is, drives the pressing head 243 to move relative to the stator 500 on the assembly mechanism 100 along the direction limited by the limiting hole 223, thereby pressing or releasing each iron core 300 of the stator 500. When the pressing head 243 presses against the iron core 300, the pressure of the stator 500 can be maintained; when the pressing head 243 releases the iron core 300, it is convenient to remove the assembled stator 500. The pressing shaft 241 can be movably inserted through the through slot 224 of the limiting hole 223, and the limiting pin 230 can be misaligned with the linear slot 225 of the limiting hole 223, or aligned with the linear slot 225, so that the pressing shaft 241 passes through the limiting hole 223 and drives the pressing head 243 to press or release the iron cores 300 of the stator 500. The elastic member 242 is used to limit the extreme position of the pressing head 243 relative to the stator 500. In this embodiment, the force-applying portion 244 is a knob. In other embodiments, the force-applying portion 244 can also be a snap member, a socket member, or the like.

[0072] Furthermore, the force-applying portion 244 and the pressure head 243 can be threadedly connected to opposite ends of the pressure shaft 241. The force-applying portion 244 can easily drive the pressure shaft 241 to move up and down and rotate the pressure shaft 241. The pressure head 243 can press against the top of the iron core 300. The pressure head 243 can be made of plastic, etc., to reduce scratches or wear on the iron core 300 when pressing against the iron core 300. The elastic member 242 is sleeved on the pressure shaft 241 and abuts between the support plate 222 and the pressure head 243. In one embodiment, the assembly mechanism 100 or its assembly plate 110 is also fixed to the base plate 210.

[0073] As an example, before assembling the stator 500, the force-applying portion 244 can be operated to drive the pressure shaft 241 and the pressure head 243 to move upward. When the limiting pin 230 passes through the linear hole, that is, when the limiting pin 230 is located above the support plate 222, the force-applying portion 244 can be used to drive the pressure shaft 241 to rotate a certain angle and release the force-applying portion 244. At this time, the limiting pin 230 will abut against the support plate 222 due to being offset from the linear hole, and the elastic member 242 will be compressed. When the stator 500 is fixed to the assembly mechanism 100, the force-applying portion 244 is rotated again so that the limiting pin 230 is aligned with the position of the linear hole. At this time, the limiting pin 230 no longer abuts against the support plate 222, and the elastic member 242 returns to its original position, driving the pressure head 243, the pressure shaft 241, and the force-applying portion 244 downward, so that the pressure head 243 abuts against the top of the core 300, thereby maintaining the pressure on the stator 500.

[0074] In this embodiment, the pressure head 243 is provided with a guide hole 245, and the assembly shaft 170 can be passed through the guide hole 245. The assembly shaft 170 can guide the pressure head 243, so that the pressure maintaining mechanism 200 can smoothly abut against the end face of the iron core 300, preventing the pressure head 243 from being deflected, thereby protecting the yield of the stator 500 assembly and further ensuring the flatness of the end face 310 of the iron core 300.

[0075] In one embodiment, the adhesive of the coil windings 400 of the stator 500 can also be cured using a curing device. Furthermore, in one embodiment, the curing device includes a drying device, such as an oven or a device providing a hot air atmosphere. This design, through the coordination of the assembly mechanism and the pressure-maintaining mechanism, not only facilitates the fixation of the stator cores, but also helps maintain the flatness of the end faces of each core, thereby ensuring the stator assembly yield. Furthermore, it facilitates pressure control, making both manual and automated production more convenient, thereby ensuring stator assembly efficiency. Furthermore, it facilitates the formation of a cylindrical overall structure after the stator is fixed with glue, further ensuring the stator assembly yield.

[0076] In summary, the stator assembly tool 10 provided by the present invention includes an assembly mechanism 100 and a pressure-holding mechanism 200. The assembly mechanism 100 includes an assembly plate 110, and the assembly plate 110 is provided with a plurality of accommodating grooves 130 capable of accommodating the iron cores 300 of the stator 500; the pressure-holding mechanism 200 is connected to the assembly mechanism 100, and the pressure-holding mechanism 200 can press against the ends of the plurality of iron cores 300 to press the plurality of iron cores 300 one by one into the plurality of accommodating grooves 130, so that the end faces 310 of each iron core 300 are located in the same plane. The stator assembly tool 10 provided by the present invention presses the ends of the multiple iron cores 300 through the pressure-holding mechanism 200 to press the multiple iron cores 300 one by one into the multiple accommodating grooves 130, so that the end faces 310 of each iron core 300 are located in the same plane, thereby improving the assembly yield of the stator 500; in addition, the pressure-holding mechanism 200 is connected to the assembly mechanism 100, so there is no need to continuously manually act on the pressure-holding mechanism 200 to achieve continuous pressure on the stator 500, freeing up both hands, facilitating assembly, and thus ensuring the assembly efficiency of the stator 500.

[0077] The technical features of the above embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0078] The above embodiments merely illustrate several implementation methods of the present application. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that a person skilled in the art could make various modifications and improvements without departing from the spirit of the present application, all of which fall within the scope of protection of the present application. Therefore, the scope of patent protection for the present application shall be determined by the appended claims.

Claims

1. A stator assembly tool (10), characterized in that: include: An assembly mechanism (100), the assembly mechanism (100) comprising an assembly plate (110), the assembly plate (110) being provided with a plurality of accommodating slots (130) capable of accommodating the iron core (300) of the stator (500); and a pressure-maintaining mechanism (200), the pressure-maintaining mechanism (200) being connected to the assembly mechanism (100), the pressure-maintaining mechanism (200) being capable of pressing against the ends of the plurality of iron cores (300) to press the plurality of iron cores (300) against the plurality of accommodating grooves (130) in a one-to-one correspondence, so that the end faces (310) of the respective iron cores (300) are located in the same plane; The pressure-maintaining mechanism (200) comprises a base plate (210), a support member (220), and an elastic pressure member (240); the base plate (210) is connected to the assembly plate (110); the support member (220) is connected to the base plate (210); and the elastic pressure member (240) is movably arranged on the support member (220) and can selectively press against ends of the plurality of iron cores (300) or be separated from the plurality of iron cores (300); The elastic pressure member (240) is capable of rotating relative to the support member (220), and the pressure maintaining mechanism (200) further includes a limiting pin (230), wherein the limiting pin (230) is arranged on the elastic pressure member (240), and the support member (220) is provided with a limiting hole (223), wherein the limiting pin (230) is adapted to the limiting hole (223), and the limiting hole (223) is exposed on the top surface of the support member (220).

2. The stator assembly tool (10) according to claim 1, characterized in that: The assembly mechanism (100) further includes a surrounding plate (120), the surrounding plate (120) being connected to the assembly plate (110), the surrounding plate (120) being provided with positioning holes (122), the positioning holes (122) corresponding to the positions of the plurality of accommodating grooves (130) so as to accommodate the plurality of stators (500).

3. The stator assembly tool (10) according to claim 2, characterized in that: The enclosure plate (120) includes two menisci (123), both of which are connected to the assembly plate (110), each of which is provided with a semicircular notch (121), and the notches (121) of the two menisci (123) together enclose the positioning hole (122).

4. The stator assembly tool (10) according to claim 3, characterized in that: The assembly plate (110) is further provided with a wiring groove (113), wherein the wiring groove (113) can accommodate the lead wire of the coil winding (400) of the stator (500), and the wiring groove (113) extends along a first direction (S1), and the two menisci (123) are both arranged across the wiring groove, and the gap between the two menisci (123) extends along a second direction (S2), and the first direction (S1) is different from the second direction (S2).

5. The stator assembly tool (10) according to claim 1, characterized in that: The assembly mechanism (100) further comprises an assembly ring (150), wherein the assembly ring (150) is arranged on the assembly plate (110) and cooperates with the assembly plate (110) to form the accommodating groove (130).

6. The stator assembly tool (10) according to claim 5, characterized in that: The assembly ring is provided with a snap-fit ​​structure (151), and the snap-fit ​​structure (151) is suitable for snap-fitting with the housing of the stator (500).

7. The stator assembly tool (10) according to any one of claims 1 to 6, characterized in that: The assembly plate (110) is further provided with a center hole (114), and a plurality of the accommodating grooves (130) are arranged around the center hole (114). The axis of the center hole (114) is perpendicular to the plane where the assembly plate (110) is located. The assembly mechanism (100) further includes an assembly shaft (170), and the assembly shaft (170) is passed through the center hole (114).

8. The stator assembly tool (10) according to claim 7, characterized in that: The pressure-maintaining mechanism (200) is provided with a guide hole (245), and the assembly shaft (170) can be passed through the guide hole (245).

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