An assembly apparatus for a stator assembly and a substrate

Abstract

This invention provides an assembly apparatus for a stator assembly and a substrate. The stator assembly includes leads. The assembly apparatus includes a worktable, an angle adjustment mechanism, a substrate assembly mechanism, and a pressing mechanism. The worktable rotates under the drive of a drive device and is equipped with a positioning fixture for positioning the stator assembly. The angle adjustment mechanism is located on the outer periphery of the worktable and is used to adjust the lead mounting angle of the stator assembly on the positioning fixture. The substrate assembly mechanism is located on the outer periphery of the worktable and is used to pre-assemble the substrate of the stator assembly after passing through the angle adjustment mechanism, forming a pre-assembled unit. The pressing mechanism is located on the outer periphery of the worktable and is used to press the pre-assembled unit to complete the assembly of the substrate and the stator assembly. This invention can improve the assembly accuracy between the stator assembly and the substrate.

Description

Technical Field

[0001] This utility model relates to the field of automated motor assembly equipment, specifically to an assembly device for a stator assembly and a substrate. Background Technology

[0002] In motor assembly, the stator and bearings are typically assembled together to form a stator assembly, and then the base plate is assembled onto the stator assembly. During assembly, to ensure the precision of the stator assembly and base plate, several precision requirements must be met, including the stator lead installation angle and the concentricity between the bearings and the base plate. Currently, the stator assembly and base plate are usually transported separately to a pressing station and directly pressed together by a pressing mechanism. This assembly method often suffers from drawbacks such as difficulty in ensuring the stator lead angle and the concentricity of the bearings and base plate, thus affecting the assembly precision between the stator assembly and the base plate. Utility Model Content

[0003] In view of the problems existing in the prior art, the present invention provides an assembly device for stator components and substrates to improve the assembly accuracy between stator components and substrates.

[0004] To achieve the above and other related objectives, this utility model provides an assembly apparatus for a stator assembly and a substrate. The stator assembly includes leads, and the assembly apparatus includes a worktable, an angle adjustment mechanism, a substrate assembly mechanism, and a pressing mechanism. The worktable rotates under the drive of a drive device and is equipped with a positioning fixture for positioning the stator assembly. The angle adjustment mechanism is located on the outer periphery of the worktable and is used to adjust the lead mounting angle of the stator assembly on the positioning fixture. The substrate assembly mechanism is located on the outer periphery of the worktable and is used to pre-assemble the substrate of the stator assembly after passing through the angle adjustment mechanism, forming a pre-assembled unit. The pressing mechanism is located on the outer periphery of the worktable and is used to press the pre-assembled unit to complete the assembly of the substrate and the stator assembly.

[0005] The beneficial effects of this design are as follows: By adding an angle adjustment mechanism, the lead mounting angle of the stator assembly mounted on the positioning fixture can be adjusted before the stator assembly and substrate are assembled. This corrects the lead mounting angle deviation that occurs during the stator assembly loading process, thereby improving the assembly accuracy between the substrate and the stator assembly. Simultaneously, due to the presence of a substrate assembly mechanism, pre-assembly between the substrate and the stator assembly can be performed before press-fitting, achieving centering and positioning between them. This further improves the subsequent press-fitting accuracy between the substrate and the stator assembly, thereby further enhancing the overall assembly accuracy.

[0006] In one embodiment of this invention, the angle adjustment mechanism includes an angle detection mechanism and an angle rotation mechanism. The angle detection mechanism is used to detect the deviation between the lead mounting angle of the stator assembly and a set lead mounting angle. The angle rotation mechanism drives the stator assembly to rotate until the deviation is within the set tolerance range.

[0007] The beneficial effects of this setup are as follows: Since the angle detection mechanism can be used to detect the deviation of the lead mounting angle, the angle rotation mechanism can control the rotation angle of the stator assembly based on the deviation until the lead mounting angle of the stator assembly is adjusted to within the set tolerance range. Therefore, this allows for automatic adjustment of the stator assembly lead mounting angle, reducing manual intervention in intermediate steps. This not only improves the adjustment efficiency of the lead mounting angle but also enhances its adjustment accuracy.

[0008] In one embodiment of this utility model, the positioning fixture includes a fixed part and a rotating part. The fixed part is fixedly connected to the worktable, and the rotating part is rotatably connected to the fixed part. The rotating part rotates under the drive of an angle rotation mechanism. The rotating part includes a snap-fit ​​part extending above the worktable, which is used to match and snap-fit ​​with the inner hole of the stator assembly to position the stator assembly.

[0009] The beneficial effects of this design are as follows: By incorporating a snap-fit ​​part that matches and engages with the inner hole of the stator assembly, precise positioning of the stator assembly is achieved, improving the stability of its installation position during assembly and reducing the probability of misalignment or wobbling. Furthermore, this structure is simple and easy to manufacture. Simultaneously, because the rotating and fixed parts are rotatably connected, the fixed part provides excellent guidance for the rotating part during rotation, further reducing the probability of stator assembly misalignment or wobbling and improving the accuracy of lead wire mounting angle adjustment.

[0010] In one embodiment of the present invention, the angle rotation mechanism includes a first rotation mechanism and a first chuck. The first chuck rotates under the drive of the first rotation mechanism and has a first state of clamping the rotating part and a second state of disengaging from the rotating part.

[0011] The advantages of this design are as follows: In this embodiment, the angle adjustment process can be automatically completed by the first rotating mechanism and the first chuck, thus reducing errors caused by manual operation and improving the consistency and reliability of lead wire installation angle adjustment. Simultaneously, since the first chuck can flexibly switch between a first state (clamping state) and a second state (disengaged state), it facilitates the installation and disassembly of the stator assembly, improving operational convenience.

[0012] In one embodiment of the present invention, the assembly device further includes a first lifting mechanism, which drives a first rotary mechanism to move up and down, so that the first clamp approaches and moves away from the rotating part, so as to clamp the rotating part or disengage from the rotating part.

[0013] The beneficial effects of this design are as follows: By incorporating a first lifting mechanism, the first lifting mechanism can drive the first chuck to move closer to or further away from the rotating part in the vertical direction, thereby achieving clamping or disengagement with the rotating part. This design allows for clearance between the first chuck and the worktable during rotation, ensuring the stability of the stator assembly's lead wire mounting angle adjustment. Simultaneously, the first lifting mechanism automates the clamping or disengagement action of the first chuck with the rotating part in the vertical direction, reducing manual intervention and thus improving operational convenience and efficiency.

[0014] In one embodiment of this utility model, the substrate assembly mechanism includes a first pre-assembly mechanism and a second pre-assembly mechanism. The first pre-assembly mechanism is used to place the substrate onto the stator assembly. The second pre-assembly mechanism is used to pre-press the substrate to form a pre-assembly unit.

[0015] The beneficial effects of this setup are as follows: By setting up a first pre-assembly mechanism and a second pre-assembly mechanism, the first pre-assembly mechanism can complete the centering and positioning between the substrate and the stator assembly, while the second pre-assembly mechanism can complete the pre-pressing between the substrate and the stator assembly. This separates the centering and positioning process between the substrate and the stator assembly and the pre-pressing process, allowing the first pre-assembly mechanism to focus solely on centering and positioning, and the second pre-assembly mechanism to focus solely on pre-pressing. Therefore, this design simplifies the structural complexity of both the first and second pre-assembly mechanisms, facilitating independent design and optimization of each mechanism. Simultaneously, the pre-pressing operation of the second pre-assembly mechanism establishes a stable pre-pressing relationship between the substrate and the stator assembly, reducing potential misalignment or shaking during subsequent pressing, improving the concentricity of the assembly between the substrate and the bearing, and thus enhancing the assembly accuracy between the substrate and the stator assembly. Furthermore, due to the pre-pressing relationship between the substrate and the stator assembly, the entire pre-assembly unit can be grasped by gripping the substrate during the gripping and conveying process, facilitating the unloading and transfer of the pre-assembly unit.

[0016] In one embodiment of this utility model, the second pre-assembly mechanism includes a second lifting mechanism and a first pressing head, both of which are disposed above the worktable. The second lifting mechanism drives the first pressing head to press down on the substrate placed on the stator assembly.

[0017] The beneficial effects of this design are as follows: By incorporating a second lifting mechanism and a first pressure head, the operation of the second lifting mechanism drives the first pressure head to rise and fall, thereby achieving downward pressure of the first pressure head on the substrate. This structural design not only automates the substrate pressing action and improves the consistency of pre-pressing efficiency between the substrate and the stator assembly, but also allows for control of the pressing distance of the first pressure head by controlling the lifting stroke of the second lifting mechanism. This ensures the stability of the pre-pressing relationship between the substrate and the stator assembly, preventing over- or under-pressing.

[0018] In one embodiment of this utility model, the second lifting mechanism is provided with a first preset stroke. The second lifting mechanism drives the first pressure head to rise and fall according to the first preset stroke.

[0019] The beneficial effects of this setting are: by setting the second lifting mechanism to a first preset stroke, the second lifting mechanism can more accurately control the lifting range of the first pressure head, thereby ensuring the stability and consistency of the pressing action of the first pressure head and avoiding over- or under-pressure on the substrate.

[0020] In one embodiment of the present invention, the substrate is provided with a first limiting member, and when the first pressing head is located at the lower limit of the first preset stroke, the first limiting member abuts against the first pressing head; or, the first pressing head is provided with a first limiting member, and when the first pressing head is located at the lower limit of the first preset stroke, the first limiting member abuts against the substrate.

[0021] The beneficial effects of this setting are as follows: by setting a first limiting member, and when the first pressure head is at the lower limit of the first preset stroke, the first limiting member abuts against the first pressure head. This can further ensure the accuracy of the first pressure head reaching the lower limit of the preset stroke during the pressing process, thereby further improving the consistency of the pre-pressing effect between the substrate and the stator assembly.

[0022] In one embodiment of this utility model, the positioning fixture includes a fixed part and a rotating part. The fixed part is fixedly connected to the worktable, and the rotating part is rotatably connected to the fixed part. One end of the rotating part is slidably connected to the fixed part, and the other end is snap-fitted to the stator assembly. The second pre-assembly mechanism also includes a support member disposed below the worktable for supporting the rotating part located below the first pressure head.

[0023] The beneficial effects of this design are as follows: By incorporating a support member, an upward supporting force can be generated on the rotating part below the worktable. With this configuration, when the first pressure head presses down on the substrate, the downward pressure generated on the substrate is transmitted through the rotating part to the support member, and then to the support base. This reduces the localized downward pressure on the worktable when the first pressure head presses down on the substrate, thereby reducing the probability of deformation or displacement of the worktable due to excessive localized force. Therefore, it ensures the assembly and positioning accuracy of the substrate and stator assembly on the worktable.

[0024] In one embodiment of this utility model, the support member includes an arc surface, and the rotating part slides along the arc surface during the rotation of the worktable, having a raised position and a lowered position. In the raised position, the rotating part corresponds to the position of the first pressure head, and the rotating part moves upward to disengage from the support of the fixed part. In the lowered position, the rotating part falls to form a supporting relationship with the fixed part.

[0025] The advantages of this design are as follows: Because the support component has an arc surface, the rotating part can slide along this surface as it rotates with the worktable, achieving lifting and lowering relative to the fixed part. This design allows the rotating part to automatically switch between lifting and lowering positions through contact with the arc surface, thus eliminating the need for additional lifting mechanisms. This not only simplifies the overall structural design of the support component and reduces design and manufacturing costs, but also, the mechanical contact method of the arc surface is simple and reliable, reducing the risk of failure and improving the stability and reliability of equipment operation.

[0026] In one embodiment of the present invention, the positioning fixture further includes an elastic reset structure, which is disposed below the worktable to restore the rotating part to the falling position.

[0027] The beneficial effects of this design are as follows: By setting up an elastic reset structure, an additional downward thrust can be provided during the falling of the rotating part. This not only reduces the probability of the rotating part getting stuck or failing to fall into place during the falling process, but also improves the efficiency of the rotating part returning to the falling position and reduces the waiting time during the rotation of the worktable. Therefore, it is beneficial to improve the assembly efficiency between the stator assembly and the substrate.

[0028] In one embodiment of the present invention, the elastic reset structure includes a first elastic element and a stop element. The first elastic element is sleeved on the rotating part, and the stop element is fixedly connected to the rotating part. The two ends of the first elastic element are respectively linked to the fixed part and the stop element.

[0029] The beneficial effects of this design are as follows: By incorporating a first elastic element and a stop element, when the rotating part is lifted relative to the fixed part, the stop element moves upward synchronously, compressing the first elastic element and storing elastic potential energy. When the rotating part falls relative to the fixed part, the stop element falls synchronously, releasing the elastic potential energy of the first elastic element, which pushes the stop element downward, restoring the rotating part to its fallen position. This elastic reset structure is simple in design and easy to implement, thus reducing manufacturing costs. Furthermore, this structure has high reliability, ensuring that the rotating part accurately returns to its fallen position after completing the lifting action.

[0030] In one embodiment of the present invention, the pressing mechanism includes a second pressing head and a third lifting mechanism. The second pressing head is connected to the drive end of the third lifting mechanism, and the third lifting mechanism is provided with a second preset stroke to drive the second pressing head to rise and fall according to the second preset stroke.

[0031] The beneficial effects of this setting are as follows: by setting the third lifting mechanism to a second preset stroke, the third lifting mechanism can more accurately control the lifting range of the second pressure head, thereby improving the stability and consistency of the pressing action of the second pressure head, avoiding over-pressure or under-pressure on the substrate, and thus improving the assembly accuracy of the substrate and stator assembly.

[0032] In one embodiment of the present invention, the substrate is provided with a first limiting member, and when the second pressing head is located at the lower limit of the second preset stroke, the first limiting member abuts against the second pressing head; or, the second pressing head is provided with a first limiting member, and when the second pressing head is located at the lower limit of the second preset stroke, the first limiting member abuts against the substrate.

[0033] The beneficial effects of this setting are as follows: by setting a second limiting member, and when the second pressure head is at the lower limit of the second preset stroke, the second limiting member abuts against the second pressure head. This can further ensure the accuracy of the second pressure head reaching the lower limit of the second preset stroke during the pressing process, thereby further improving the consistency of the pressing effect between the substrate and the stator assembly. Attached Figure Description

[0034] To more clearly illustrate the technical solutions in the embodiments of this utility model 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 of this utility model. For those skilled in the art, other embodiments can be obtained based on these drawings without creative effort.

[0035] Figure 1 This is a three-dimensional structural diagram of the assembly device of this utility model in one embodiment;

[0036] Figure 2 This is an enlarged schematic diagram of a portion of the assembly device of this utility model in one embodiment;

[0037] Figure 3 This is a partial structural diagram of the assembly device of this utility model from another angle in one embodiment;

[0038] Figure 4 This is a schematic diagram of the connection mechanism between the workbench and the drive device in one embodiment of the assembly device of this utility model;

[0039] Figure 5This is a three-dimensional structural schematic diagram of a stator assembly assembled with a substrate in one embodiment of the assembly device of this utility model.

[0040] Figure 6 This is a schematic diagram from another angle of the stator assembly assembled with the substrate in one embodiment of the assembly device of this utility model;

[0041] Figure 7 This is a schematic diagram showing the installation position between the stator assembly feeding mechanism and the worktable in one embodiment of the assembly device of this utility model;

[0042] Figure 8 This is a partial structural diagram of the assembly device of the present invention mounted on a stator tooling and installed on a stator assembly in one embodiment;

[0043] Figure 9 This is a schematic diagram showing the installation position of the angle adjustment mechanism and the worktable in one embodiment of the assembly device of this utility model;

[0044] Figure 10 This is a schematic diagram of the angle adjustment mechanism and the worktable installation position in one embodiment of the assembly device of this utility model;

[0045] Figure 11 This is a schematic diagram of the pre-assembled unit in one embodiment of the assembly device of this utility model;

[0046] Figure 12 This is a schematic diagram of the pre-assembled unit in one embodiment of the assembly device of this utility model from another angle;

[0047] Figure 13 This is a schematic diagram of the structure of the assembly device of this utility model after the substrate and stator assembly have completed the pressing process in one embodiment;

[0048] Figure 14 This is a schematic diagram of the assembly device of the present invention, showing that the workbench is provided with tooling mounting holes in one embodiment;

[0049] Figure 15 This is a schematic diagram of the overall structure of the positioning tooling in one embodiment of the assembly device of this utility model;

[0050] Figure 16 This is a schematic diagram of the fixing part in one embodiment of the assembly device of this utility model;

[0051] Figure 17 This is a schematic diagram of the rotating part in one embodiment of the assembly device of this utility model;

[0052] Figure 18 for Figure 17 A magnified view of a portion of region B in the middle;

[0053] Figure 19 This is a schematic diagram of an embodiment of the assembly device of the present invention, showing an angle adjustment structure equipped with a first lifting mechanism.

[0054] Figure 20 This is a schematic diagram showing the installation position between the substrate assembly mechanism and the worktable in one embodiment of the assembly device of this utility model;

[0055] Figure 21 This is a schematic diagram of the assembly device of the present invention in one embodiment, showing the installation position between the substrate assembly mechanism and the worktable at another corner.

[0056] Figure 22 This is a schematic diagram showing the installation position between the second pre-assembly mechanism and the workbench in one embodiment of the assembly device of this utility model;

[0057] Figure 23 This is a partial structural diagram of the assembly device of the present invention, in one embodiment, showing a support member provided below the first pressure head;

[0058] Figure 24 This is a partial structural diagram of the assembly device of the present invention in one embodiment, showing the rotating part abutting against the arc surface;

[0059] Figure 25 This is a partial structural diagram of the assembly device of the present invention at another angle where the rotating part abuts against the arc surface in one embodiment;

[0060] Figure 26 This is a schematic diagram of the assembly device of the present invention, showing a positioning fixture equipped with an elastic reset member in one embodiment;

[0061] Figure 27 This is a partial structural diagram of the pressing mechanism in one embodiment of the assembly device of this utility model;

[0062] Figure 28 This is a schematic diagram showing the pressing position of the second pressure head and the substrate in one embodiment of the assembly device of this utility model.

[0063] Component designation explanation:

[0064] 100. Assembly device; 101. Base plate; 1011. Mounting hole; 1012. Welding part; 102. Stator assembly; 1021. Lead wire; 1022. Stator; 1023. Bearing; 10231. Insertion hole; 103. Pre-assembly unit; 104. First limiting member; 105. Support base; 106. Second limiting member; 120. Worktable; 121. Positioning fixture; 1211. Fixing part; 12111. Flange part; 12112. Cylinder part; 121 13. Through hole; 1212. Rotating part; 12121. Boss part; 12122. Columnar part; 1213. Snap-fit ​​part; 122. Drive device; 123. Tooling mounting hole; 130. Substrate assembly mechanism; 131. First pre-assembly mechanism; 1311. Substrate loading station; 1312. Substrate loading mechanism; 132. Second pre-assembly mechanism; 1321. Second lifting mechanism; 1322. First pressure head; 13221. Pressing part; 13222. Connecting part; 132 3. Support component; 13231. Arc surface; 13232. Support frame; 13233. Supporting part; 13234. Arc groove; 13235. High point of the arc surface; 13236. Low point of the arc surface; 140. Angle adjustment mechanism; 141. Angle detection mechanism; 142. Angle rotation mechanism; 1421. First rotation mechanism; 1422. First chuck; 150. Elastic reset structure; 151. First elastic element; 152. Stop element; 160. Pressing mechanism; 161. Second pressure head; 162, Third lifting mechanism; 163, Second frame; 164, Pressing station; 170, First lifting mechanism; 181, Stator assembly loading mechanism; 1811, First frame; 1812, First translation component; 1813, First lifting component; 1814, Second chuck; 182, Stator assembly loading station; 190, Unloading mechanism; 191, Second lifting component; 192, Second translation component; 193, Third chuck; 1931, Unloading gripper. Detailed Implementation

[0065] The following specific examples illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. This utility model can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this utility model. It should be noted that, in the absence of conflict, the following embodiments and features in the embodiments can be combined with each other. It should also be understood that the terminology used in the embodiments of this utility model is for describing specific implementation schemes and not for limiting the scope of protection of this utility model. Test methods in the following embodiments that do not specify specific conditions are generally performed under conventional conditions or according to the conditions recommended by the respective manufacturers.

[0066] When numerical ranges are given in the embodiments, it should be understood that, unless otherwise specified in this invention, both endpoints of each numerical range and any value between the two endpoints may be selected. Unless otherwise defined, all technical and scientific terms used in this invention, as well as the prior art known to those skilled in the art and the description of this invention, may be implemented using any prior art methods, equipment, and materials similar to or equivalent to those in the embodiments of this invention.

[0067] It should be noted that the terms such as "upper", "lower", "left", "right", "middle" and "one" used in this specification are only for clarity of description and are not intended to limit the scope of implementation of this utility model. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered as within the scope of implementation of this utility model.

[0068] Please see Figures 1 to 28 This utility model provides an assembly device 100 for stator assembly 102 and substrate 101. By adding an angle adjustment mechanism 140, the lead mounting angle of the stator assembly 102 mounted on the worktable 120 can be adjusted before the stator assembly 102 and substrate 101 are assembled, so as to correct the lead mounting angle deviation generated during the positioning process of the stator assembly 102, ensure the positional accuracy of the lead mounting angle, and thus improve the assembly accuracy between the stator assembly 102 and substrate 101.

[0069] Please see Figures 1 to 4 The assembly apparatus 100 for stator assembly 102 and substrate 101 provided by this utility model includes: a worktable 120, an angle adjustment mechanism 140, a substrate assembly mechanism 130, and a pressing mechanism 160. The worktable 120 rotates under the drive of a drive device 122 and is provided with a positioning fixture 121 for positioning the stator assembly 102. The drive device 122 can be a servo turntable mechanism, a rotary cylinder mechanism, etc. To facilitate the control of the rotation angle of the worktable 120, in some embodiments, the drive device 122 is a servo turntable mechanism. Servo turntable mechanisms are structures well known to those skilled in the art and can be obtained through general commercial means. Therefore, a detailed description of the servo turntable mechanism is not provided here.

[0070] One or more positioning fixtures 121 can be provided on the worktable 120. Considering the feeding efficiency of the stator assembly 102 on the worktable 120, in some embodiments, multiple positioning fixtures 121 are provided on the worktable 120, and the multiple positioning fixtures 121 are arranged around the outer periphery of the worktable 120 to facilitate the feeding of the stator assembly 102.

[0071] It should be noted that you should refer to [link / reference]. Figure 5 and Figure 6 The stator assembly 102 is an assembly structure formed by assembling the stator 1022 and the bearing 1023 together. Specifically, the stator assembly 102 includes the stator 1022 and the bearing 1023. The stator 1022 is provided with multiple leads 1021, which form a fixed angle with each other. The outer ring of the bearing 1023 has an approximately cylindrical structure. The stator 1022 is sleeved on the outer ring of the bearing 1023 and is fixedly connected to the outer ring of the bearing 1023. The leads 1021 extend towards the outer periphery of the bearing 1023. Both ends of the bearing 1023 extend to the outside of the stator 1022, and the rotation of the outer ring of the bearing 1023 can drive the stator 1022 to rotate synchronously.

[0072] The drive unit 122 can be mounted on the ground or on other supporting structures. For some embodiments, please refer to... Figure 1 and Figure 4 The assembly device 100 also includes a support base 105, which is disposed on the ground. A drive device 122 is fixedly connected to the upper surface of the support base 105, and the worktable 120 is fixedly connected to the drive end of the drive device 122. When the drive device 122 operates, it drives the worktable 120 to rotate. The support base 105 can be a frame structure or a box structure. In some embodiments, the support base 105 is a box structure. Because the box structure has high rigidity and strength, it can effectively support the worktable 120, the positioning fixture 121, and other components, thus reducing vibration and deformation during equipment operation and ensuring the stability of the assembly process. At the same time, the interior of the box structure can be designed as a hollow structure, which facilitates the installation of other functional modules (such as control systems, pneumatic components, etc.) to make full use of the installation space and make the overall layout of the equipment more compact.

[0073] In some implementations, please refer to Figure 3 and Figure 7 The assembly device 100 also includes a stator assembly loading mechanism 181 and a stator assembly loading station 182. Both the stator assembly loading mechanism 181 and the stator assembly loading station 182 are located on the outer periphery of the worktable 120. The stator assembly loading station 182 is used to place the stator assembly 102. The stator assembly loading station 182 is fixedly connected to the support base 105. The stator assembly loading station 182 can hold only one set of stator assemblies 102 or multiple sets of stator assemblies 102. The stator assembly loading mechanism 181 is used to transfer the stator assembly 102 from the stator assembly loading station 182 to the positioning fixture 121 on the worktable 120.

[0074] The stator assembly loading mechanism 181 can be a robotic arm structure, which uses the gripping and moving actions of the robotic arm to transport the stator assembly 102. The stator assembly loading mechanism 181 can also be a combination structure of a translational lifting mechanism and a chuck, in which the operation of the translational lifting mechanism drives the chuck to move, the chuck grabs the stator assembly 102 and transports it to the initial loading station, thereby realizing the transport of the stator assembly 102.

[0075] In some implementations, please refer to Figure 7 The stator assembly loading mechanism 181 includes a first frame 1811, a first translation component 1812, a first lifting component 1813, and a second chuck 1814. The first frame 1811 is fixedly connected to the support base 105. The first translation component 1812 is mounted on the first frame 1811. The first lifting component 1813 is connected to the first translation component 1812, and the operation of the first translation component 1812 drives the first lifting component 1813 to move horizontally. The second chuck 1814 is connected to the first lifting component 1813, and the operation of the first lifting component 1813 drives the second chuck 1814 to move up and down. The second chuck 1814 is used to grip the stator assembly 102. The first translation component 1812 and the first lifting component 1813 cooperate to realize the transmission of the stator assembly 102. The first translation component 1812 can be a combination structure of a motor and a lead screw, a combination structure of a motor and a synchronous belt drive mechanism, etc. In some embodiments, the first translation component 1812 is a combination of a motor and a synchronous belt drive mechanism. The first lifting component 1813 may be a combination of a lifting cylinder, a motor, and a ball screw, etc. In some embodiments, the first lifting component 1813 is a lifting cylinder.

[0076] Please see Figure 2 , Figure 9 and Figure 10 An angle adjustment mechanism 140 is disposed on the outer periphery of the worktable 120 and is used to adjust the lead mounting angle of the stator assembly 102 mounted on the positioning fixture 121. It is understood that since the mounting angle of the lead 1021 on the stator assembly 102 is fixed, in this embodiment, adjusting the lead mounting angle of the stator assembly 102 refers to adjusting the mounting angle of the stator assembly 102 on the positioning fixture 121 to achieve the adjustment of the lead mounting angle.

[0077] Please see Figure 2 , Figure 9 and Figure 11The substrate assembly mechanism 130 is located on the outer periphery of the worktable 120, and pre-assembles the stator assembly 102 (after passing through the angle adjustment mechanism 140) with substrate 101 to form a pre-assembly unit 103. It should be noted that there are two scenarios for the stator assembly 102 after passing through the angle adjustment mechanism 140: In one scenario, when the stator assembly 102 is installed onto the positioning fixture 121, there is a positioning angle deviation in the lead mounting angle. In this case, the angle adjustment mechanism 140 needs to adjust the lead mounting angle when the stator assembly 102 passes through it. In the other scenario, when the stator assembly 102 is installed onto the positioning fixture 121, there is no positioning angle deviation in the lead mounting angle. In this case, the angle adjustment mechanism 140 does not need to adjust the lead mounting angle when the stator assembly 102 passes through it. The specific structure of the substrate assembly mechanism 130 is not limited. For example, it can be a combination of a robotic arm and a pressure head, or a combination of a translation and lifting mechanism and a clamp, or any other mechanism that can assemble the substrate 101 and the stator assembly 102 to form the pre-assembled unit 103.

[0078] Please see Figure 11 and Figure 12 The substrate 101 is provided with mounting holes 1011 for the bearing 1023 to pass through and welding portions 1012 that match the leads 1021. Multiple welding portions 1012 are provided, with one welding portion 1012 corresponding to one lead 1021. Pre-assembly of the substrate 101 with the stator assembly 102 means that, in the axial direction, the bearing 1023 at least partially passes through the mounting holes 1011, forming an insertion positioning relationship with the mounting holes 1011, so that the substrate 101 and the bearing 1023 are aligned. In the circumferential direction, the welding portions 1012 on the substrate 101 correspond to the leads 1021 on the stator 1022 to ensure the welding accuracy of the leads 1021.

[0079] Please see Figure 1 and Figure 2 The pressing mechanism 160 is disposed on the outer periphery of the worktable 120 and presses the pre-assembly unit 103 to complete the assembly of the substrate 101 and the stator assembly 102. The pressing mechanism 160 is positioned above the pre-assembly unit 103. The pressing mechanism 160 moves downwards to press the substrate 101 on the pre-assembly unit 103, causing the substrate 101 to move closer to the stator 1022 until it reaches the preset installation position, thus completing the assembly of the substrate 101 and the stator assembly 102. The state of the substrate 101 and the stator assembly 102 after pressing is as follows: Figure 13As shown. The pressing mechanism 160 can be a pressing head and a cylinder structure. The cylinder extends and retracts, causing the pressing head to move up and down to complete the pressing of the pre-assembly unit 103. The pressing mechanism 160 can also be a combination structure of a pressing head, a motor, and a ball screw. The motor runs, driving the ball screw to move up and down, which in turn drives the pressing head connected to the ball screw to move up and down to complete the pressing of the pre-assembly unit 103.

[0080] The assembly apparatus 100 provided in this embodiment, by adding an angle adjustment mechanism 140, can adjust the lead mounting angle of the stator assembly 102 mounted on the positioning fixture 121 before assembling the stator assembly 102 and the substrate 101, correcting the lead mounting angle deviation generated during the feeding process of the stator assembly 102. This improves the positional matching accuracy between the solder portion 1012 on the substrate 101 and the lead 1021 of the stator 1022, thereby enhancing the assembly accuracy between the substrate 101 and the stator assembly 102. Simultaneously, due to the presence of the substrate assembly mechanism 130, pre-assembly of the substrate 101 and the stator assembly 102 can be performed before press-fitting, achieving centering and positioning between the substrate 101 and the stator assembly 102, further improving the subsequent press-fitting accuracy between the substrate 101 and the stator assembly 102, and thus further enhancing the overall assembly accuracy between the substrate 101 and the stator assembly 102.

[0081] Please see Figure 2 and Figure 9 In one embodiment of the present invention, the angle adjustment mechanism 140 includes an angle detection mechanism 141 and an angle rotation mechanism 142. The angle detection mechanism 141 is used to detect the deviation between the lead installation angle of the stator assembly 102 and the set lead installation angle. The angle rotation mechanism 142 drives the stator assembly 102 to rotate until the deviation is within the set tolerance range.

[0082] The angle detection mechanism 141 can be any mechanism capable of detecting the deviation between the lead mounting angle of the stator assembly 102 and the set lead mounting angle, such as an image recognition mechanism, a laser detection mechanism, or a mechanical angle detection mechanism 141. In some embodiments, the angle detection mechanism 141 is an image recognition device. The image recognition device can be a camera, a lidar imaging device, etc. The image recognition device can acquire images of the stator assembly 102 mounted on the positioning fixture 121 and generate acquired images. The image recognition device stores standard images corresponding to the preset lead mounting angle. By comparing the acquired images and the standard images, the image recognition device can determine the deviation between the lead mounting angle of the stator assembly 102 and the set lead mounting angle. The image recognition device feeds back this deviation information to the angle rotation mechanism 142. The angle rotation mechanism 142 determines the rotation angle based on the received deviation information and rotates according to the rotation angle to drive the stator assembly 102 to rotate until the deviation is within the set tolerance range. Within the set tolerance range, the required positional accuracy can be achieved between the solder portion 1012 on the substrate 101 and the lead 1021 of the stator 1022.

[0083] Since the angle detection mechanism 141 can be used to detect the deviation of the lead mounting angle, the angle rotation mechanism 142 can control the rotation angle of the stator assembly 102 through the deviation until the lead mounting angle of the stator assembly 102 is adjusted to within the set tolerance range. Therefore, this can realize the automatic adjustment of the lead mounting angle of the stator assembly 102, reduce manual intervention in the intermediate links, and not only improve the adjustment efficiency of the lead mounting angle, but also improve the adjustment accuracy of the lead mounting angle.

[0084] Please see Figures 14 to 18In one embodiment of this utility model, the positioning fixture 121 includes a fixing part 1211 and a rotating part 1212. The fixing part 1211 is fixedly connected to the worktable 120, and the rotating part 1212 is rotatably connected to the fixing part 1211. A plurality of fixture mounting holes 123 are provided on the outer periphery of the worktable 120, with each fixture mounting hole 123 corresponding to one positioning fixture 121. The fixing part 1211 includes a flange part 12111 and a cylindrical part 12112, with one end of the flange part 12111 connected to one end of the cylindrical part 12112. The end of the cylindrical part 12112 away from the flange part 12111 is inserted into the fixture mounting hole 123. The flange part 12111 abuts against the upper surface of the worktable 120 and is fixedly connected to the worktable 120 by fasteners. The fixing part 1211 also includes a through hole 12113, which penetrates the flange part 12111 and the cylindrical part 12112 along the axial direction of the cylindrical part 12112. The rotating part 1212 includes a boss part 12121 and a columnar part 12122, with the boss part 12121 connected to one end of the columnar part 12122. The end of the columnar part 12122 away from the boss part 12121 is installed through the through hole 12113, and the columnar part 12122 can rotate relative to the through hole 12113 and slide along the axial direction of the through hole 12113. The boss part 12121 is located above the flange part 12111 and forms an abutment relationship with the end face of the flange part 12111 under the action of gravity.

[0085] Please see Figure 15 and Figure 19 When the rotating part 1212 rotates with the worktable 120 to the position of the angle rotation mechanism 142, one end of the rotating part 1212 extending below the worktable 120 connects to the drive end of the angle rotation mechanism 142. The angle rotation mechanism 142 then operates, driving the rotating part 1212 at the corresponding position to rotate. (See also...) Figure 6 , Figure 8 and Figure 18 The rotating part 1212 also includes a snap-fit ​​part 1213, which is connected to one end of the boss part 12121 opposite to the columnar part 12122. The snap-fit ​​part 1213 is located above the worktable 120 and is used to match and snap into the inner hole of the stator assembly 102 to position the stator assembly 102. Specifically, the snap-fit ​​part 1213 is a pin structure, and the bearing 1023 has an insertion hole 10231 on the side opposite to the base plate 101, which forms the inner hole of the stator assembly 102. When the rotating part 1212 rotates under the drive of the angle rotation mechanism 142, it drives the stator assembly 102 on the snap-fit ​​part 1213 to rotate synchronously.

[0086] By providing a snap-fit ​​part 1213, which matches and snaps into the inner hole of the stator assembly 102, precise positioning of the stator assembly 102 can be achieved, improving the stability of its installation position during assembly and reducing the probability of misalignment or wobbling. Furthermore, this structure is simple and easy to manufacture. Simultaneously, since the rotating part 1212 is rotatably connected to the fixed part 1211, the fixed part 1211 provides good guidance for the rotating part 1212 during rotation, thereby reducing the probability of misalignment or wobbling of the stator assembly 102 during rotation and further improving the accuracy of lead wire mounting angle adjustment.

[0087] In some implementations, please refer to Figure 9 and Figure 10 The angle rotation mechanism 142 includes a first rotation mechanism 1421 and a first chuck 1422. The first chuck 1422 rotates under the drive of the first rotation mechanism 1421 and has a first state of clamping the rotating part 1212 and a second state of disengaging from the rotating part 1212. The first rotation mechanism 1421 can be a rotary cylinder, a motor and gear transmission assembly, a servo motor direct drive mechanism, etc. In some embodiments, the first rotation mechanism 1421 is a rotary cylinder. The first chuck 1422 is connected to the rotating end of the first rotation mechanism 1421, and the operation of the first rotation mechanism 1421 drives the first chuck 1422 to rotate. The first chuck 1422 can be a pneumatic chuck, a hydraulic chuck, or a mechanical chuck, etc. In some embodiments, the first chuck 1422 is a pneumatic chuck. Because the pneumatic chuck has a relatively fast response speed, the clamping and releasing action of the rotating part 1212 is relatively rapid, which is beneficial to improving the angle adjustment efficiency of the stator assembly 102.

[0088] When the stator assembly 102 rotates with the worktable 120 to the position of the angle adjustment mechanism 140, the first chuck 1422 switches from the second state to the first state, that is, the first chuck 1422 clamps the rotating part 1212, so that when the first rotation mechanism 1421 rotates, it drives the stator assembly 102 to rotate synchronously, thereby adjusting the lead mounting angle. After the lead mounting angle of the stator assembly 102 is adjusted, the first chuck 1422 switches from the first state to the second state, that is, the first chuck 1422 disengages from the rotating part 1212, so that the stator assembly 102 maintains the angle-adjusted posture and rotates synchronously with the worktable 120 to the next position for the assembly of the substrate 101.

[0089] In this embodiment, the angle adjustment process can be automatically completed by the first rotating mechanism 1421 and the first chuck 1422, thus reducing errors caused by manual operation and improving the consistency and reliability of lead installation angle adjustment. Meanwhile, since the first chuck 1422 can flexibly switch between a first state (clamping state) and a second state (disengaged state), it facilitates the installation and disassembly of the stator assembly 102, improving operational convenience.

[0090] In some implementations, to reduce the overall height of the worktable 120 and improve the stability of its operation, please refer to [reference needed]. Figure 10 and Figure 19 The first rotating mechanism 1421 is housed inside the housing of the support base 105. The rotating end of the first rotating mechanism 1421 extends outside the housing and connects to the first chuck 1422 located above the support base 105. This arrangement helps to reduce the space occupied by the first rotating mechanism 1421 in the installation height of the worktable 120, thereby reducing the overall height of the worktable 120 and improving the stability of the worktable 120 during operation.

[0091] In some implementations, please refer to Figure 10 and Figure 19 The assembly device 100 also includes a first lifting mechanism 170, which drives a first rotary mechanism 1421 to move up and down, causing the first chuck 1422 to move closer to and further away from the rotating part 1212, thereby clamping or disengaging from the rotating part 1212. The first lifting mechanism 170 is disposed below the worktable 120 and is fixedly mounted inside the housing of the support base 105. The driving end of the first lifting mechanism 170 is connected to the fixed end of the first rotary mechanism 1421. The up-and-down movement of the first lifting mechanism 170 drives the first rotary mechanism 1421 to move up and down. The first lifting mechanism 170 can be a combination of a lifting cylinder, a motor, and a gear and rack, or a combination of a motor and a ball screw, etc. In some embodiments, the first lifting mechanism 170 is a lifting cylinder. The operation of the first lifting mechanism 170 drives the first rotary mechanism 1421 to move up and down. The first chuck 1422 installed on the first rotary mechanism 1421 can move away from or closer to the rotating part 1212 in the vertical direction to achieve clamping or disengagement from the rotating part 1212.

[0092] In this embodiment, by providing a first lifting mechanism 170, the first lifting mechanism 170 can drive the first chuck 1422 to move closer to or further away from the rotating part 1212 in the vertical direction, thereby achieving clamping or disengagement with the rotating part 1212. This arrangement allows for avoidance between the first chuck 1422 and the worktable 120 when the worktable 120 rotates, thus ensuring the stability of the lead wire mounting angle adjustment of the stator assembly 102. Simultaneously, the first lifting mechanism 170 also automates the clamping or disengagement action of the first chuck 1422 with the rotating part 1212 in the vertical direction, reducing manual intervention and improving operational convenience and efficiency.

[0093] To further improve the assembly accuracy between the stator assembly 102 and the substrate 101, in some embodiments, please refer to... Figure 2 and Figure 3 The substrate assembly mechanism 130 includes a first pre-assembly mechanism 131 and a second pre-assembly mechanism 132. The first pre-assembly mechanism 131 is used to place the substrate 101 onto the stator assembly 102. The second pre-assembly mechanism 132 pre-presses the substrate 101 to form a pre-assembly unit 103. (See also...) Figure 20 The first pre-assembly mechanism 131 includes a substrate loading station 1311 and a substrate loading mechanism 1312. The substrate loading station 1311 is used to place the substrate 101. The substrate loading station 1311 is fixedly connected to the support base 105. The substrate loading station 1311 can hold only one substrate 101 or multiple substrates 101. The substrate loading mechanism 1312 is used to transfer the substrate 101 from the substrate loading station 1311 to the position of the stator assembly 102 on the positioning fixture 121, and to center the substrate 101 on the stator assembly 102. The specific structure of the substrate loading mechanism 1312 can be referred to the structural description of the stator assembly loading mechanism 181 above, and will not be repeated here.

[0094] The substrate loading mechanism 1312 places the substrate 101 onto the stator assembly 102, meaning that the substrate 101 is placed above the stator assembly 102, and the mounting hole 1011 of the substrate 101 is aligned with the bearing 1023 of the stator assembly 102, and the mounting angle of the substrate 101 corresponds to the lead mounting angle of the stator assembly 102.

[0095] The second pre-loading mechanism 132 pre-presses the substrate 101, meaning it pre-presses the substrate 101, which is centered on the stator assembly 102. After pre-pressing by the second pre-loading mechanism 132, the bearing 1023 of the stator assembly 102 is at least partially inserted into the mounting hole 1011 of the substrate 101, and the upper surface of the substrate 101 is approximately flush with the upper end face of the bearing 1023, thereby forming a... Figure 11 The pre-installed unit 103 is shown.

[0096] It should be noted that in this embodiment, after the first pre-assembly mechanism 131 completes the centering and placement of the substrate 101 and the stator assembly 102, the worktable 120 rotates, moving the aligned substrate 101 and stator assembly 102 to below the second pre-assembly mechanism 132. The second pre-assembly mechanism 132 then operates to pre-press the substrate 101. This arrangement allows the centering and positioning of the substrate 101 and the stator assembly 102, as well as the pre-pressing of the substrate 101, to be completed at different stations on the worktable 120, thereby improving the assembly efficiency between the substrate 101 and the stator assembly 102. In another embodiment, after the first pre-assembly mechanism 131 completes the centering and placement of the substrate 101 and the stator assembly 102, the worktable 120 remains stationary, the first pre-assembly mechanism 131 moves away, and the second pre-assembly mechanism 132 moves above the substrate 101 to pre-press the substrate 101.

[0097] By setting up a first pre-assembly mechanism 131 and a second pre-assembly mechanism 132, the first pre-assembly mechanism 131 can complete the centering and positioning between the substrate 101 and the stator assembly 102, and the second pre-assembly mechanism 132 can complete the pre-pressing between the substrate 101 and the stator assembly 102. This allows for the separation of the centering and positioning process between the substrate 101 and the stator assembly 102 and the pre-pressing process, so that the first pre-assembly mechanism 131 only needs to perform the centering and positioning of the substrate 101 and the stator assembly 102, and the second pre-assembly mechanism 132 only needs to perform the pre-pressing of the substrate 101. Therefore, this design simplifies the structural complexity of the first pre-assembly mechanism 131 and the second pre-assembly mechanism 132, facilitating the independent design and optimization of each mechanism. Simultaneously, the pre-pressing operation of the second pre-assembly mechanism 132 can establish a stable pre-pressing relationship between the substrate 101 and the stator assembly 102, thereby reducing possible offset or shaking during subsequent pressing and improving the concentricity of the assembly between the substrate 101 and the bearing 1023, thus improving the assembly accuracy between the substrate 101 and the stator assembly 102. Furthermore, because a pre-pressing relationship exists between the substrate 101 and the stator assembly 102, the entire pre-assembly unit 103 can be grasped by gripping the substrate 101 during the gripping and conveying process, facilitating the unloading and transfer of the pre-assembly unit 103.

[0098] In some implementations, please refer to Figure 21 and Figure 22The second pre-assembly mechanism 132 includes a second lifting mechanism 1321 and a first pressing head 1322. Both the second lifting mechanism 1321 and the first pressing head 1322 are positioned above the worktable 120. The second lifting mechanism 1321 drives the first pressing head 1322 to press down on the substrate 101 placed on the stator assembly 102. The second lifting mechanism 1321 can be a combination of a lifting cylinder, a motor, and a gear rack, or a combination of a motor and a ball screw, etc. In some embodiments, the second lifting mechanism 1321 is a lifting cylinder. The first pressing head 1322 is connected to the drive end of the second lifting mechanism 1321. The second lifting mechanism 1321 moves up and down, driving the first pressing head 1322 to move up and down to complete the pressing down of the substrate 101.

[0099] Specifically, please refer to Figure 22 In this embodiment, the first pressing head 1322 includes a pressing portion 13221 and a connecting portion 13222. One end of the connecting portion 13222 is connected to the pressing portion 13221, and the other end of the connecting portion 13222 is connected to the driving end of the second lifting mechanism 1321. The pressing portion 13221 has an approximately cylindrical structure and is substantially coaxial with the bearing 1023 of the stator assembly 102 that rotates to the bottom of the first pressing head 1322. The pressing portion 13221 has a countersunk hole on the side facing the substrate 101 to avoid the bearing 1023. When the first pressing head 1322 presses down, the pressing portion 13221 presses down on the area of ​​the substrate 101 located on the outer periphery of the mounting hole 1011, and the bearing 1023 is inserted into the countersunk hole accordingly. This arrangement ensures that the substrate 101 and the bearing 1023 generate a uniform preload in the circumferential direction during the pressing process.

[0100] By setting a second lifting mechanism 1321 and a first pressure head 1322, the operation of the second lifting mechanism 1321 can drive the first pressure head 1322 to rise and fall, thereby realizing the downward pressure of the first pressure head 1322 on the substrate 101. This structural design can not only realize the automated operation of the pressing action of the substrate 101 and improve the consistency of the pre-pressing efficiency between the substrate 101 and the stator assembly 102, but also realize the control of the pressing distance of the first pressure head 1322 by controlling the lifting stroke of the second lifting mechanism 1321, thereby ensuring the stability of the pre-pressing relationship between the substrate 101 and the stator assembly 102 and avoiding over-pressure or under-pressure.

[0101] In some implementations, please refer to Figure 22The second lifting mechanism 1321 is provided with a first preset stroke. The second lifting mechanism 1321 drives the first pressure head 1322 to rise and fall according to the first preset stroke. When the second lifting mechanism 1321 is at the upper limit of the first preset stroke, the second lifting mechanism 1321 drives the first pressure head 1322 to move upward, so that the first pressure head 1322 is disengaged from the substrate 101, ensuring the normal rotation of the worktable 120. When the second lifting mechanism 1321 is at the upper limit of the first preset stroke, the second lifting mechanism 1321 drives the first pressure head 1322 to move downward, so as to press down on the substrate 101, realizing the pre-assembly between the substrate 101 and the stator assembly 102. By setting the second lifting mechanism 1321 with a first preset stroke, the second lifting mechanism 1321 can more accurately control the lifting range of the first pressure head 1322, thereby ensuring the stability and consistency of the pressing action of the first pressure head 1322, and avoiding over-pressure or under-pressure on the substrate 101.

[0102] In some implementations, please refer to Figure 22 The substrate 101 is provided with a first limiting member 104. When the first pressing head 1322 is located at the lower limit of the first preset stroke, the first limiting member 104 abuts against the first pressing head 1322. The specific location of the first limiting member 104 on the substrate 101 is not limited, provided it does not affect the pressing relationship between the pressing part 13221 and the substrate 101. In some embodiments, the first limiting member 104 is disposed on the surface of the substrate 101 facing the first pressing head 1322, and is located in the outer peripheral region of the substrate 101. The specific shape of the first limiting member 104 is not limited; for example, it can be any shape such as a rectangular block or a cylindrical block. The abutment between the first limiting member 104 and the first pressing head 1322 means that the first limiting member 104 contacts the connecting part 13222, forming an abutment relationship in the vertical direction. In another embodiment, the first pressing head 1322 may also be provided with the first limiting member 104, that is, the connecting part 13222 may be provided with the first limiting member 104. When the first pressure head 1322 is at the lower limit of the first preset stroke, the first limiting member 104 abuts against the substrate 101.

[0103] By setting a first limiting member 104, and when the first pressing head 1322 is at the lower limit of the first preset stroke, the first limiting member 104 abuts against the first pressing head 1322, which can further ensure the accuracy of the first pressing head 1322 reaching the lower limit of the first preset stroke during the pressing process, thereby further improving the consistency of the pre-pressing effect between the substrate 101 and the stator assembly 102.

[0104] In some implementations, please refer to Figure 23The second pre-assembly mechanism 132 also includes a support member 1323, which is disposed below the worktable 120 and is used to support the rotating part 1212 located below the first pressure head 1322. The support member 1323 may be directly fixed to the upper surface of the support base 105, or it may be connected to other frames fixed to the support base 105. In some embodiments, the support member 1323 is directly fixed to the support base 105. When the worktable 120 drives the stator assembly 102, on which the base plate 101 is mounted, to rotate to a position corresponding to the first pressure head 1322, one end of the rotating part 1212 extending below the worktable 120 contacts the support member 1323, forming a vertical abutment relationship. By providing the support member 1323, the support member 1323 can generate an upward supporting force on the rotating part 1212 below the worktable 120. With this configuration, when the first pressure head 1322 presses down on the substrate 101, the downward pressure generated on the substrate 101 is transmitted to the support member 1323 through the rotating part 1212, and then to the support base 105. This reduces the local downward pressure generated on the worktable 120 when the first pressure head 1322 presses down on the substrate 101, thereby reducing the probability of the worktable 120 deforming or shifting due to excessive local force. Therefore, it can ensure the assembly positioning accuracy of the substrate 101 and the stator assembly 102 on the worktable 120.

[0105] In some implementations, please refer to Figures 23 to 25 The support member 1323 includes an arc surface 13231. The rotating part 1212 slides along the arc surface 13231 during the rotation of the worktable 120, and has a raised position and a lowered position. The arc surface 13231 can be a circular arc surface, an elliptical arc surface, etc. In some embodiments, the arc surface 13231 is a circular arc surface. Specifically, the support member 1323 includes a support frame 13232 and a supporting part 13233. One end of the support member 1323 is fixedly connected to the support base 105, and the other end is connected to the supporting part 13233. The supporting part 13233 has a cylindrical structure. The support frame 13232 is provided with an arc groove 13234. The cylinder is fixedly engaged in the arc groove 13234, and the axis of the cylinder extends along the radial direction of the worktable 120. The circumferential surface of the cylinder outside the arc groove 13234 forms the aforementioned arc surface 13231. For ease of description, the end of the curved surface 13231 closest to the worktable 120 in the vertical direction is defined as the high point 13235, and the end of the curved surface 13231 furthest from the worktable 120 in the vertical direction is defined as the low point 13236. The curved surface 13231 has two low points 13236, which are located on either side of the high point 13235.

[0106] In the raised position, the rotating part 1212 corresponds to the position of the first pressure head 1322. The rotating part 1212 slides from the low point 13236 of the arc surface on one side to the high point 13235 of the arc surface. Under the support of the arc surface 13231, the rotating part 1212 rises relative to the fixed part 1211. At this time, the boss portion 12121 of the rotating part 1212 disengages from the flange portion 12111 of the fixed part 1211, causing the rotating part 1212 to detach from the support of the fixed part 1211. In the falling position, the rotating part 1212 slides from the high point 13235 of the arc surface to the low point 13236 of the arc surface on the other side. The rotating part 1212 falls, and the boss portion 12121 of the rotating part 1212 contacts the flange portion 12111 of the fixed part 1211, thereby forming a support relationship between the rotating part 1212 and the fixed part 1211.

[0107] Because the support member 1323 has an arc surface 13231, the rotating part 1212 can slide along the arc surface 13231 during the rotation of the worktable 120, thus achieving lifting and lowering relative to the fixed part 1211. This design allows the rotating part 1212 to automatically switch between lifting and lowering positions through contact with the arc surface 13231, eliminating the need for additional lifting mechanisms. This not only simplifies the overall structural design of the support member 1323 and reduces design and manufacturing costs, but also, the mechanical contact method of the arc surface 13231 is simple and reliable, reducing the risk of failure and improving the stability and reliability of equipment operation.

[0108] Although the rotating part 1212 can fall back to its lower position under its own gravity during the process of sliding from the high point 13235 to the low point 13236 of the arc surface, it is considered that the rotating part 1212 may get stuck or fail to fall into place during the falling process, which will affect the positioning accuracy of the rotating part 1212 on the stator assembly 102. Therefore, please refer to Figures 23 to 25 In one embodiment of this utility model, the positioning fixture 121 further includes an elastic reset structure 150, which is disposed below the worktable 120. The elastic reset structure 150 can generate a downward thrust on the rotating part 1212, so that the rotating part 1212 returns to the falling position.

[0109] The elastic reset structure 150 can be a spring, an elastic sheet, or other elastic element. One end of the elastic reset structure 150 is fixed to the worktable 120 or a fixing part 1211 fixed to the worktable 120, and the other end is connected to the rotating part 1212. When the rotating part 1212 is at the high point 13235 of the arc surface, the elastic reset structure 150 is compressed or stretched to store elastic potential energy. When the rotating part 1212 needs to fall, the elastic reset structure 150 releases the elastic potential energy, pushing the rotating part 1212 down the arc surface 13231 from the high point 13235 to the low point 13236, so that the rotating part 1212 returns to the falling position.

[0110] By setting the elastic reset structure 150, an additional downward thrust can be provided during the falling process of the rotating part 1212. This not only reduces the probability of the rotating part 1212 getting stuck or not falling into place during the falling process, but also improves the efficiency of the rotating part 1212 returning to the falling position and reduces the waiting time during the rotation of the worktable 120. Therefore, it is beneficial to improve the assembly efficiency between the stator assembly 102 and the substrate 101.

[0111] In some implementations, please refer to Figure 25 and Figure 26 The elastic reset structure 150 includes a first elastic element 151 and a stop element 152. The first elastic element 151 is sleeved on the rotating part 1212, and the stop element 152 is fixedly connected to the rotating part 1212. The two ends of the first elastic element 151 are respectively linked to the fixed part 1211 and the stop element 152. The first elastic element 151 can be a compression spring, an air spring, a disc spring, etc. In some embodiments, the first elastic element 151 is a compression spring. The stop element 152 can be screwed onto the rotating part 1212 by threads or snapped onto the rotating part 1212. In some embodiments, the stop element 152 is screwed onto the rotating part 1212 by threads. This arrangement facilitates the installation and position adjustment of the stop element 152 on the rotating part 1212. One end of the first elastic element 151 abuts against the end face of the fixed part 1211 located below the worktable 120, and the other end of the first elastic element 151 abuts against the stop element 152.

[0112] By configuring a first elastic element 151 and a stop element 152, when the rotating part 1212 is lifted relative to the fixed part 1211, the stop element 152 moves upward synchronously, and the first elastic element 151 is compressed, storing elastic potential energy. When the rotating part 1212 falls relative to the fixed part 1211, the stop element 152 falls synchronously, the first elastic element 151 releases its elastic potential energy, pushing the stop element 152 downward, causing the rotating part 1212 to return to its fallen position. This elastic reset structure 150 has a simple design and is easy to implement, thus reducing manufacturing costs. Simultaneously, this structure also has high reliability, ensuring that the rotating part 1212 accurately returns to its fallen position after completing the lifting action.

[0113] In some implementations, please refer to Figure 27 and Figure 28 The pressing mechanism 160 includes a second pressing head 161 and a third lifting mechanism 162. The second pressing head 161 is connected to the drive end of the third lifting mechanism 162. The third lifting mechanism 162 has a second preset stroke to drive the second pressing head 161 to rise and fall according to the second preset stroke. The third lifting mechanism 162 can be directly fixed to the support base 105 or fixed to the support base 105 through other frames. In some embodiments, the pressing mechanism 160 also includes a second frame 163, which is disposed on the outer periphery of the worktable 120. One end of the second frame 163 is fixedly connected to the support base 105, and the other end of the second frame 163 is connected to the third lifting mechanism 162. The third lifting mechanism 162 can be a lifting cylinder, a motor and ball screw structure, or a motor and gear rack structure, etc. In some embodiments, the third lifting mechanism is a lifting cylinder. The body of the third lifting mechanism 162 is fixedly connected to the second frame 163, and the drive end of the third lifting mechanism 162 is connected to the second pressing head 161.

[0114] When the third lifting mechanism 162 is at the upper limit of the second preset stroke, it drives the second pressure head 161 upward to disengage it from the pre-assembly unit 103, facilitating loading and unloading of the pre-assembly unit 103. When the second lifting mechanism 1321 is at the lower limit of the second preset stroke, it drives the second pressure head 161 downward to press down on the substrate 101 on the pre-assembly unit 103, achieving press-fitting between the substrate 101 and the stator assembly 102. By setting the third lifting mechanism 162 to a second preset stroke, it can more precisely control the lifting range of the second pressure head 161, thereby improving the stability and consistency of the pressing action of the second pressure head 161, avoiding over- or under-pressure on the substrate 101, and thus improving the assembly accuracy of the substrate 101 and the stator assembly 102.

[0115] In some implementations, please refer to Figure 28The pressing mechanism 160 also includes a pressing station 164, which is located below the second pressing head 161. The pressing station 164 is used to place the pre-assembly unit 103. The pre-assembly unit 103 can be directly conveyed from the workbench 120 to the pressing station 164, or it can be conveyed from other feeding stations to the pressing station 164. In this embodiment, the pre-assembly unit 103 is directly conveyed from the workbench 120 to the pressing station 164. This reduces the transfer steps of the pre-assembly unit 103, thereby reducing the feeding error generated during the transfer process.

[0116] In some implementations, please refer to Figure 27 The assembly device 100 also includes a feeding mechanism 190. The feeding mechanism 190 is used to transport the pre-assembled unit 103 from the worktable 120 to the pressing station 164. The feeding mechanism 190 can be a robotic arm structure, or a combination of a translation and lifting mechanism and a clamp, etc. In this embodiment, the feeding mechanism 190 includes a second lifting component 191, a second translation component 192, and a third clamp 193. The second lifting component 191 is connected to the support base 105, and the second lifting component 191 can be a combination of a lifting cylinder, a motor, and a ball screw, etc. In this embodiment, the second lifting component 191 is a lifting cylinder. The second lifting component 191 is disposed in the housing of the support base 105. The second translation component 192 is connected to the drive end of the second lifting component 191. When the second lifting component 191 operates, it drives the second translation component 192 to move up and down. In this embodiment, the second translation component 192 is a combination of a motor and a ball screw. In other embodiments, the second translation component 192 may also be a motor and rack and pinion structure, a motor and synchronous belt structure, etc. The third chuck 193 may be provided with one set of unloading jaws 1931, or it may be provided with multiple sets of unloading jaws 1931; this embodiment is not limited to this. The unloading jaws 1931 may be pneumatic jaws, hydraulic jaws, or mechanical jaws, etc.

[0117] In one embodiment of this utility model, please refer to Figure 28The substrate 101 is provided with a second limiting member 106. When the second pressure head 161 is located at the lower limit of the second preset stroke, the second limiting member 106 abuts against the second pressure head 161. The specific location of the second limiting member 106 on the substrate 101 is not limited without affecting the pressing position of the second pressure head 161 and the substrate 101. In some embodiments, the second limiting member 106 is disposed on the surface of the substrate 101 facing the second pressure head 161, and is located in the outer peripheral region of the substrate 101. The specific shape of the second limiting member 106 is not limited; for example, it can be any shape such as a rectangular block or a cylindrical block. In another embodiment, the second pressure head 161 may also be provided with the second limiting member 106, and when the second pressure head 161 is located at the lower limit of the second preset stroke, the second limiting member 106 abuts against the substrate 101. It should be noted that in this embodiment, the second limiting member 106 and the first limiting member 104 are the same part. Of course, in other embodiments, the second limiting member 106 may also be a different part from the first limiting member 104.

[0118] By setting a second limiting member 106, and when the second pressing head 161 is at the lower limit of the second preset stroke, the second limiting member 106 abuts against the second pressing head 161, which can further ensure the accuracy of the second pressing head 161 reaching the lower limit of the second preset stroke during the pressing process, thereby further improving the consistency of the pressing effect between the substrate 101 and the stator assembly 102.

[0119] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. An apparatus (100) for assembling a stator assembly (102) with a substrate, the stator assembly (102) comprising a lead (1021), characterized in that, The assembly device (100) includes: The worktable (120) rotates under the drive of the drive device (122) and is provided with a positioning fixture (121) for positioning the stator assembly (102). An angle adjustment mechanism (140) is provided on the outer periphery of the worktable (120) for adjusting the lead wire mounting angle of the stator assembly (102) on the positioning fixture (121); A substrate assembly mechanism (130) is disposed on the outer periphery of the worktable (120) for pre-assembling the substrate (101) of the stator assembly (102) that has passed through the angle adjustment mechanism (140) to form a pre-assembly unit (103). A pressing mechanism (160) is disposed on the outer periphery of the worktable (120) for pressing the pre-assembly unit (103) to complete the assembly of the substrate (101) and the stator assembly (102).

2. The assembly device (100) according to claim 1, characterized in that The angle adjustment mechanism (140) includes an angle detection mechanism (141) and an angle rotation mechanism (142). The angle detection mechanism (141) is used to detect the deviation between the lead wire mounting angle of the stator assembly (102) and the set lead wire mounting angle. The angle rotation mechanism (142) drives the stator assembly (102) to rotate until the deviation is within the set tolerance range.

3. The assembly device (100) according to claim 2, characterized in that The positioning fixture (121) includes a fixed part (1211) and a rotating part (1212). The fixed part (1211) is fixedly connected to the worktable (120), and the rotating part (1212) is rotatably connected to the fixed part (1211). The rotating part (1212) rotates under the drive of the angle rotation mechanism (142). The rotating part (1212) includes a snap-fit ​​part (1213) extending above the worktable (120). The snap-fit ​​part (1213) is used to match and snap with the inner hole of the stator assembly (102) to position the stator assembly (102).

4. The assembly device (100) according to claim 3, characterized in that The angle rotation mechanism (142) includes a first rotation mechanism (1421) and a first chuck (1422). The first chuck (1422) rotates under the drive of the first rotation mechanism (1421). The first chuck (1422) has a first state of clamping the rotating part (1212) and a second state of disengaging from the rotating part (1212).

5. The assembly device (100) according to claim 1, characterized in that The substrate assembly mechanism (130) includes a first pre-assembly mechanism (131) and a second pre-assembly mechanism (132), wherein the first pre-assembly mechanism (131) is used to place the substrate (101) onto the stator assembly (102); The second pre-assembly mechanism (132) is used to pre-press the substrate (101) to form the pre-assembly unit (103).

6. The assembly device (100) according to claim 5, characterized in that The second pre-assembly mechanism (132) includes a second lifting mechanism (1321) and a first pressure head (1322). Both the second lifting mechanism (1321) and the first pressure head (1322) are located above the worktable (120). The second lifting mechanism (1321) drives the first pressure head (1322) to press down on the substrate (101) placed on the stator assembly (102).

7. The assembly apparatus (100) according to claim 6, characterized in that, The second lifting mechanism (1321) is provided with a first preset stroke; The second lifting mechanism (1321) drives the first pressure head (1322) to rise and fall according to the first preset stroke.

8. The assembly apparatus (100) according to claim 6, characterized in that, The positioning fixture (121) includes a fixed part (1211) and a rotating part (1212). The fixed part (1211) is fixedly connected to the worktable (120), and the rotating part (1212) is rotatably connected to the fixed part (1211). One end of the rotating part (1212) is slidably connected to the fixed part (1211), and the other end is snap-fitted to the stator assembly (102). The second pre-assembly mechanism (132) further includes a support member (1323), which is disposed below the worktable (120) and is used to support the rotating part (1212) located below the first pressure head (1322).

9. The assembly apparatus (100) according to claim 8, characterized in that, The support member (1323) includes an arc surface (13231), and the rotating part (1212) slides along the arc surface (13231) during the rotation with the worktable (120), and has a raised position and a lowered position; In the raised position, the rotating part (1212) corresponds to the position of the first pressure head (1322), and the rotating part (1212) moves upward to disengage from the support of the fixed part (1211); At the falling position, the rotating part (1212) falls to form a supporting relationship with the fixed part (1211).

10. The assembly apparatus (100) according to claim 9, characterized in that, The positioning fixture (121) also includes an elastic reset structure (150), which is disposed below the worktable (120) to restore the rotating part (1212) to the falling position.

11. The assembly apparatus (100) according to claim 10, characterized in that, The elastic reset structure (150) includes a first elastic element (151) and a stop element (152). The first elastic element (151) is sleeved on the rotating part (1212), and the stop element (152) is fixedly connected to the rotating part (1212). The two ends of the first elastic element (151) are respectively linked to the fixed part (1211) and the stop element (152).

12. The assembly apparatus (100) according to claim 1, characterized in that, The pressing mechanism (160) includes a second pressing head (161) and a third lifting mechanism (162). The second pressing head (161) is connected to the drive end of the third lifting mechanism (162). The third lifting mechanism (162) is provided with a second preset stroke to drive the second pressing head (161) to rise and fall according to the second preset stroke.

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