Rotor assembling mechanism and method of direct drive motor

Abstract

The invention relates to the technical field of driving motors, in particular to a rotor assembling mechanism and method of a direct-drive motor, the rotor assembling mechanism comprises a workbench, a rotating disc assembly, a magnet yoke assembling assembly and a magnetic shoe assembling assembly, the rotating disc assembly is provided with a positioning jig, the positioning jig is used for fixing a rotor shell, and the magnetic shoe assembling assembly is arranged on the workbench. The turntable assembly is used for driving the positioning jig to rotate so as to drive the rotor shell to rotate; the magnet yoke assembling assembly comprises a magnet yoke feeding disc, a magnet yoke taking supporting frame, a magnet yoke taking transmission module, a magnet yoke grabbing module and a magnet yoke press-fitting module. Through reasonable layout and cooperation of the workbench, the rotating disc assembly, the magnet yoke assembly assembly and the magnetic shoe assembly assembly, technological process optimization of whole rotor assembly is achieved, and the production efficiency and the assembly quality are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of drive motors, and in particular to a rotor assembly mechanism and method for a direct drive motor. Background Art

[0002] A direct drive motor is a motor that directly drives the load. It does not require an intermediate transmission device such as gears or belts, but directly transmits the motor's rotational motion to the load. Direct drive motors have the advantages of simple structure, high efficiency, high precision, and fast response, and are widely used in industrial automation, robotics, aerospace, medical equipment and other fields.

[0003] The rotor mechanism is one of the important components of the direct drive motor. The existing direct drive motor rotor structure is assembled manually during the assembly process, and the automatic assembly of the rotor structure cannot be realized, which affects the production efficiency. Especially in mass production, the efficiency is low and the cost is high. Therefore, a new design is needed for the existing motor rotor assembly. Summary of the invention

[0004] To solve the above problems, the present invention realizes the optimization of the entire rotor assembly process through the reasonable layout and coordination of the workbench, turntable assembly, yoke assembly assembly and magnetic shoe assembly assembly, and improves the production efficiency and assembly quality of the rotor assembly mechanism and method of the direct-drive motor.

[0005] The technical solution adopted by the present invention is: a rotor assembly mechanism of a direct-drive motor, comprising a motor rotor, the motor rotor comprising a rotor housing, a rotor yoke and a rotor magnetic shoe, the inner circumferential surface of the rotor housing is evenly distributed with assembly positioning pins, the rotor yoke is provided with a plurality of them, the rotor yoke is provided with an assembly positioning groove, the assembly positioning groove is used to cooperate with the assembly positioning pin, a magnetic shoe slot is provided between two adjacent rotor yokes, and the rotor magnetic shoe is arranged in the magnetic shoe slot; the rotor assembly mechanism comprises a workbench, a turntable assembly, a yoke assembly assembly and a magnetic shoe assembly assembly, the turntable assembly is provided with a positioning fixture, and the The positioning jig is used to fix the rotor housing, and the turntable assembly is used to drive the positioning jig to rotate, so as to drive the rotor housing to rotate; the yoke assembly assembly includes a yoke feeding tray, a yoke feeding support frame, a yoke feeding transmission module, a yoke grabbing module and a yoke pressing module; the yoke feeding tray is located on one side of the workbench, the yoke feeding support frame is arranged on the workbench, the yoke feeding transmission module is arranged on the yoke feeding support frame, and is used to drive the yoke grabbing module to pick up materials on the yoke feeding tray and place them on the positioning jig for assembly, and the yoke grabbing module and the yoke pressing module are both arranged on the yoke feeding transmission module.

[0006] A further improvement to the above scheme is that the yoke grabbing module includes a yoke feeding motor, a yoke feeding connecting shaft, a yoke pressure sensor and a yoke feeding block, the driving end of the yoke feeding motor is connected to the yoke feeding connecting shaft, the yoke pressure sensor is arranged on the yoke feeding connecting shaft, the yoke feeding block is arranged on the yoke feeding connecting shaft, the yoke feeding block includes a feeding connecting part and a yoke clamping part, the yoke clamping part is provided with a yoke clamping groove, the yoke clamping groove is provided with a clamping positioning pin, the clamping positioning pin is provided with a yoke adsorption hole, the yoke clamping groove is used to clamp the rotor yoke, the clamping positioning pin is used to cooperate with the assembly positioning groove, and the yoke adsorption hole is used to adsorb and fix the rotor yoke on the assembly positioning groove.

[0007] A further improvement to the above scheme is that the magnetic tile assembly component includes a magnetic tile supply tray, a magnetic tile picking support frame, a magnetic tile picking transmission module and a magnetic tile press-fitting module; the magnetic tile supply tray is located on one side of the workbench, the magnetic tile picking support frame is arranged on the workbench, the magnetic tile picking transmission module is arranged on the magnetic tile picking support frame, and is used to drive the magnetic tile press-fitting module to pick up materials on the magnetic tile supply tray and assemble them to the magnetic tile slots, and the magnetic tile press-fitting modules are all arranged on the magnetic tile picking transmission module.

[0008] A further improvement to the above scheme is that a retaining ring is provided at the bottom of the rotor housing, an assembly fixing groove is provided on the retaining ring, a fixture groove is provided on the positioning jig, a jig positioning pin is provided on the jig groove, and the jig positioning pin is used to cooperate with the assembly fixing groove to fix the rotor housing on the jig groove.

[0009] A further improvement to the above scheme is that the turntable assembly includes a dividing drive module and a disc connected to the dividing drive module, the positioning fixture is arranged on the disc, the dividing drive module includes a dividing drive motor and a divider, the driving end of the dividing drive motor is connected to the divider, and the disc is arranged at the driving end of the divider.

[0010] A further improvement to the above scheme is that the yoke feeding plate includes a yoke vibration plate and a yoke vibration track, the yoke vibration plate is used to vibrate and feed the rotor yoke to the yoke vibration track, one end of the yoke vibration track is provided with a material picking position, and the yoke picking transmission module is used to drive the yoke grabbing module to grab the rotor yoke at the material picking position.

[0011] A further improvement to the above scheme is that the yoke material picking transmission module includes a yoke transfer device and a yoke lifting device, the yoke lifting device is arranged on the yoke transfer device, the yoke pressing module is arranged at one end of the yoke transfer device, the yoke lifting device is provided with a yoke material picking bracket, and the yoke material picking motor is arranged on the yoke material picking bracket.

[0012] A further improvement to the above scheme is that the yoke material taking connecting shaft includes a yoke fixed shaft sleeve and a yoke movable shaft, the yoke pressure sensor is arranged on the yoke fixed shaft sleeve and the yoke movable shaft, and the yoke material taking block is arranged on the yoke movable shaft.

[0013] A further improvement to the above scheme is that the yoke picking motor is used to drive the yoke picking connecting shaft to rotate, driving the rotor yoke clamped by the yoke picking block to rotate, so as to adjust the assembly direction of the rotor yoke.

[0014] A further improvement to the above scheme is that the yoke pressing module includes a yoke pressing cylinder and a yoke pressing block connected to the yoke pressing cylinder, and the yoke pressing block is used to press the rotor yoke toward the assembly positioning groove.

[0015] A further improvement to the above scheme is that the magnetic tile supply plate includes a magnetic tile vibration plate and a magnetic tile vibration track, the magnetic tile vibration plate is used to vibrate and feed the rotor magnetic tiles to the magnetic tile vibration track, one end of the magnetic tile vibration track is provided with a material picking position, and the magnetic tile material picking transmission module is used to drive the magnetic tile pressing module to grab the rotor magnetic tiles at the material picking position.

[0016] A further improvement to the above scheme is that the magnetic tile material picking transmission module includes a magnetic tile transfer device and a magnetic tile lifting device, the magnetic tile lifting device is arranged on the magnetic tile transfer device, the magnetic tile pressing module is arranged at one end of the magnetic tile transfer device, and the magnetic tile lifting device is provided with a magnetic tile material picking bracket.

[0017] A further improvement to the above scheme is that the magnetic shoe pressing module includes a magnetic shoe feeding motor and a magnetic shoe feeding connecting shaft connected to the magnetic shoe feeding motor, the magnetic shoe feeding connecting shaft includes a fixed feeding shaft and a movable feeding shaft, a magnetic shoe pressure sensor is arranged between the fixed feeding shaft and the movable feeding shaft; the movable feeding shaft is provided with a feeding trough, and the feeding trough is used to grab the rotor magnetic shoe.

[0018] A further improvement to the above scheme is that the material trough is provided with an adsorption hole, the material trough is provided with a positioning arc table, the adsorption hole is provided on the positioning arc table, the rotor magnetic shoe is provided with a positioning arc groove, and the positioning arc groove is used to cooperate with the positioning arc table to position the rotor magnetic shoe during the material retrieval process.

[0019] A method for assembling a rotor of a direct-drive motor, comprising the rotor assembly mechanism of the direct-drive motor; The rotor assembly method comprises the following steps: Step S1, placing the rotor housing on a positioning jig and fixing the positioning jig by a turntable assembly; Step S2, the yoke feeding tray is used for vibrating and feeding the rotor yoke, and then the yoke picking transmission module drives the yoke grabbing module to grab the rotor yoke on the yoke feeding tray, and transfer the rotor yoke to the top of the positioning fixture; Step S3, the yoke grabbing module drives the yoke grabbing connecting shaft through the yoke grabbing motor to drive the rotor yoke grabbed by the yoke grabbing block to adjust so that the clamping positioning pin and the assembly positioning pin are on the same axis, and then the rotor yoke is pushed from the yoke clamping groove to the inner periphery of the rotor housing through the yoke pressing module so that the assembly positioning groove slides into the assembly positioning pin; Step S4, after the rotor yoke is assembled, the turntable assembly drives the positioning fixture to rotate to drive the rotor housing to the next assembly positioning pin, and then repeats step S3, assembling multiple times in sequence, and forming magnetic tile slots on adjacent rotor magnetic tiles; Step S5, when the assembly of one end of the rotor yoke is completed, it is rotated to the bottom of the magnetic tile assembly component, and then the magnetic tile material picking transmission module drives the magnetic tile pressing module to pick up the material on the magnetic tile supply tray, and transfer it to the magnetic tile slot for assembly. After repeatedly inserting the rotor magnetic tile into each magnetic tile slot, the assembly of the motor rotor is completed.

[0020] The beneficial effects of the present invention are: Compared with the existing motor rotor assembly, the present invention can realize the precise alignment assembly of the rotor yoke and the housing through the assembly positioning pins evenly distributed on the inner circumference of the rotor housing and the assembly positioning grooves on the rotor yoke, ensuring the positioning accuracy and stability of the rotor assembly during the assembly process. The positioning fixture provided on the turntable assembly is used to fix the rotor housing, and the rotation of the rotor housing is realized by driving the turntable assembly, so that the assembly process of the rotor assembly is more convenient and efficient, and the production efficiency and assembly accuracy are improved. The yoke assembly assembly includes a yoke feeding tray, a yoke feeding support frame, a yoke feeding transmission module, a yoke grabbing module and a yoke pressing module. The design of these components realizes the automated operation of the yoke assembly process, reduces labor costs, and improves assembly consistency and stability. The yoke feeding transmission module drives the yoke grabbing module to take materials from the yoke feeding tray and place them on the positioning fixture for assembly, which can realize precise control of the yoke assembly process and ensure the accuracy and consistency of assembly. Through the reasonable layout and coordination of the workbench, turntable assembly, yoke assembly assembly and magnetic tile assembly assembly, the process flow of the entire rotor assembly is optimized, and the production efficiency and assembly quality are improved. The setting of the yoke grabbing module and the yoke pressing module ensures the stability and reliability of the yoke during the assembly process, and effectively avoids problems such as misalignment or looseness that may occur during the assembly process. The present invention has technical effects such as accurate assembly positioning, convenient and efficient assembly, automated assembly, precise assembly control, process flow optimization, stable and reliable assembly, and improved production efficiency.

[0021] The yoke grabbing module can realize accurate material picking of the rotor yoke through the design of the yoke picking motor, the yoke picking connecting shaft and the yoke picking block, ensuring the accuracy of the position and angle of the rotor yoke during the assembly process. The setting of the yoke pressure sensor can monitor the pressure of the yoke picking block on the rotor yoke in real time, thereby ensuring the stability and reliability of the assembly process and avoiding the displacement or loosening of the yoke during the assembly process. The clamping part of the yoke picking block is provided with a yoke clamping groove, and with the clamping positioning pin and the yoke adsorption hole, it can realize accurate clamping and positioning of the rotor yoke, ensuring the correct position and posture of the yoke during the assembly process. The drive of the yoke picking motor and the design of the yoke clamping part make the rotor yoke picking process more automated and efficient, which can improve the speed and efficiency of rotor assembly and reduce the cost and risk of manual operation. The design of the yoke grabbing module can realize accurate clamping and assembly of the rotor yoke, which is conducive to improving the assembly accuracy and consistency of the rotor assembly, and improving the quality and performance stability of the overall product.

[0022] The magnetic tile assembly component realizes the automation of the magnetic tile assembly process through the design of the magnetic tile feeding tray, the magnetic tile picking support frame, the magnetic tile picking transmission module and the magnetic tile pressing module, which reduces the labor cost and improves the assembly consistency and stability. The magnetic tile picking transmission module drives the magnetic tile pressing module to pick up materials on the magnetic tile feeding tray and assemble them into the magnetic tile slot, which can achieve precise control of the magnetic tile assembly process, ensure the accuracy and consistency of the assembly, and improve the assembly precision. The setting of the magnetic tile picking transmission module makes the magnetic tile picking and pressing process more automated and efficient, which can improve the speed and efficiency of rotor assembly and reduce the cost and risk of manual operation. The design of the magnetic tile picking transmission module and the magnetic tile pressing module ensures the stability and reliability of the magnetic tiles during the assembly process, and effectively avoids problems such as misalignment or looseness that may occur during the assembly process.

[0023] The rotor assembly method of the direct drive motor is implemented by placing the rotor housing on the positioning fixture and fixing it in step S1, and using the turntable assembly to fix the positioning fixture, so as to realize the precise positioning of the rotor housing and ensure the accuracy of the subsequent assembly steps. Through the operation of the yoke feeding plate, the yoke material taking transmission module, the yoke grabbing module and the yoke pressing module in steps S2 and S3, the automatic material taking and assembly of the rotor yoke is realized, and the assembly efficiency and consistency are improved. Through the adjustment of the yoke material taking block and the pushing of the yoke pressing module in step S3, the stability and reliability of the rotor yoke during the assembly process are guaranteed, and the possible misalignment or looseness during the assembly process is avoided. In step S4, the positioning fixture is driven to rotate by the turntable assembly, so as to realize multiple assembly of the rotor housing, and form a magnetic tile slot on the adjacent rotor magnetic tile, so as to improve the assembly accuracy and consistency. Through the operation of the magnetic tile material taking transmission module and the magnetic tile pressing module in step S5, the automatic material taking and assembly of the magnetic tile is realized, the labor cost is reduced, and the assembly efficiency and stability are improved. The present invention can achieve technical effects such as precise positioning, automated assembly, stable and reliable assembly, improved assembly accuracy, automated magnetic tile assembly, and process optimization. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the motor rotor of the present invention; Figure 2 It is a three-dimensional schematic diagram of the rotor assembly mechanism of the direct-drive motor of the present invention; Figure 3 for Figure 2 A three-dimensional schematic diagram of the rotor assembly mechanism of the direct-drive motor from another perspective; Figure 4 for Figure 2 A three-dimensional schematic diagram of the rotor assembly mechanism of the direct-drive motor from another perspective; Figure 5 for Figure 3 A is an enlarged schematic diagram; Figure 6 for Figure 4 A is an enlarged schematic diagram; Figure 7 for Figure 2 A schematic diagram of the structure of the yoke assembly component of the rotor assembly mechanism of the direct drive motor; Figure 8 for Figure 7 A schematic diagram of the structure of the yoke material block of the middle yoke assembly component; Fig. 9 for Figure 2 A schematic diagram of the structure of the magnetic shoe assembly component of the rotor assembly mechanism of the direct drive motor; Fig.10 for Fig. 9Schematic diagram of the structure of the magnetic tile material collection connecting shaft of the central magnetic tile assembly component.

[0025] Description of reference numerals: motor rotor 10, rotor housing 101, assembly positioning pin 1011, retaining ring 1012, assembly fixing groove 1013, rotor yoke 102, assembly positioning groove 1021, magnetic shoe slot 1022, rotor magnetic shoe 103, positioning arc groove 1031; Rotor assembly mechanism 20, workbench 1; Turntable assembly 2, indexing drive module 21, indexing drive motor 211, divider 212, disc 22; Magnetic yoke assembly component 3, yoke feeding tray 31, yoke vibration tray 311, yoke vibration track 312, yoke picking support frame 32, yoke picking transmission module 33, yoke conveying device 331, yoke lifting device 332, yoke picking bracket 333, yoke grabbing module 34, yoke picking motor 341, yoke picking connecting shaft 342, yoke fixed shaft sleeve 3421, yoke movable shaft 3422, yoke pressure sensor 343, yoke picking block 344, picking connecting part 345, yoke clamping part 346, yoke clamping groove 3461, clamping positioning pin 3462, yoke adsorption hole 3463, yoke pressing module 35, yoke pressing cylinder 351, yoke pressing block 352; Magnetic tile assembly component 4, magnetic tile feeding plate 41, magnetic tile vibration plate 411, magnetic tile vibration track 412, magnetic tile material picking support frame 42, magnetic tile material picking transmission module 43, magnetic tile transfer device 431, magnetic tile lifting device 432, magnetic tile material picking bracket 433, magnetic tile pressing module 44, magnetic tile material picking motor 441, magnetic tile material picking connecting shaft 442, material picking fixed shaft 4421, material picking movable shaft 4422, magnetic tile pressure sensor 4423, material picking trough 4424, adsorption hole 4425, positioning arc table 4426; Positioning jig 5, jig groove 51, and jig positioning pin 52. DETAILED DESCRIPTION

[0026] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0027] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which the present invention belongs. The terms used in the specification of the present invention herein are only for the purpose of describing specific embodiments and are not intended to limit the present invention. Figure 1 to Figure 10As shown, in one embodiment of the present invention, a rotor assembly mechanism of a direct-drive motor is involved, including a motor rotor 10, wherein the motor rotor 10 includes a rotor housing 101, a rotor yoke 102 and a rotor magnetic tile 103, wherein the inner circumferential surface of the rotor housing 101 is evenly distributed with assembly positioning pins 1011, and the rotor yoke 102 is provided with a plurality of assembly positioning grooves 1021, wherein the assembly positioning grooves 1021 are used to cooperate with the assembly positioning pins 1011, and a magnetic tile slot 1022 is provided between two adjacent rotor yokes 102, and the rotor magnetic tile 103 is arranged in the magnetic tile slot 1022; the rotor assembly mechanism 20 includes a workbench 1, a turntable assembly 2, a yoke assembly assembly 3 and a magnetic tile assembly assembly 4, wherein the turntable assembly 2 is provided with a positioning fixture 5, the positioning fixture 5 is used to fix the rotor housing 101, and the turntable assembly 2 is used to drive the positioning fixture 5 to rotate, so as to drive the rotor housing 101 to rotate; the yoke assembly assembly 3 includes a yoke feeding tray 31, a yoke feeding support frame 32, a yoke feeding transmission module 33, a yoke grabbing module 34 and a yoke pressing module 35; the yoke feeding tray 31 is located on one side of the workbench 1, the yoke feeding support frame 32 is arranged on the workbench 1, the yoke feeding transmission module 33 is arranged on the yoke feeding support frame 32, and is used to drive the yoke grabbing module 34 to pick up materials on the yoke feeding tray 31 and place them on the positioning fixture 5 for assembly, and the yoke grabbing module 34 and the yoke pressing module 35 are both arranged on the yoke feeding transmission module 33. This embodiment can realize the precise alignment assembly of the rotor yoke 102 and the housing through the assembly positioning pins 1011 evenly distributed on the inner circumference of the rotor housing 101 and the assembly positioning grooves 1021 on the rotor yoke 102, thereby ensuring the positioning accuracy and stability of the rotor assembly during the assembly process. The positioning fixture 5 provided on the turntable assembly 2 is used to fix the rotor housing 101, and the rotation of the rotor housing 101 is realized by the drive of the turntable assembly 2, so that the assembly process of the rotor assembly is more convenient and efficient, and the production efficiency and assembly accuracy are improved. The yoke assembly assembly 3 includes a yoke feeding tray 31, a yoke material taking support frame 32, a yoke material taking transmission module 33, a yoke grabbing module 34 and a yoke pressing module 35. The design of these components realizes the automated operation of the yoke assembly process, reduces the labor cost, and improves the assembly consistency and stability. The yoke material taking transmission module 33 drives the yoke grabbing module 34 to take the material from the yoke feeding tray 31 and place it on the positioning fixture 5 for assembly, which can realize precise control of the yoke assembly process and ensure the accuracy and consistency of the assembly. Through the reasonable layout and coordination of the workbench 1, the turntable assembly 2, the yoke assembly assembly 3 and the magnetic tile assembly assembly 4, the process flow of the entire rotor assembly is optimized, and the production efficiency and assembly quality are improved. The setting of the yoke grabbing module 34 and the yoke pressing module 35 ensures the stability and reliability of the yoke during the assembly process, and effectively avoids problems such as misalignment or looseness that may occur during the assembly process.The present invention has the technical effects of accurate assembly positioning, convenient and efficient assembly, automated assembly, precise assembly control, process optimization, stable and reliable assembly, and improved production efficiency.

[0029] See also Figure 7~Figure 8 As shown, the yoke grabbing module 34 includes a yoke material picking motor 341, a yoke material picking connecting shaft 342, a yoke pressure sensor 343 and a yoke material picking block 344. The driving end of the yoke material picking motor 341 is connected to the yoke material picking connecting shaft 342. The yoke pressure sensor 343 is arranged on the yoke material picking connecting shaft 342. The yoke material picking block 344 is arranged on the yoke material picking connecting shaft 342. The yoke material picking block 344 includes a picking connecting portion 345 and a yoke clamping portion 346. The yoke clamping portion 346 is provided with a yoke clamping groove 3461, the yoke clamping groove 3461 is provided with a clamping positioning pin 3462, the clamping positioning pin 3462 is provided with a yoke adsorption hole 3463, the yoke clamping groove 3461 is used to clamp the rotor yoke 102, the clamping positioning pin 3462 is used to cooperate with the assembly positioning groove 1021, and the yoke adsorption hole 3463 is used to adsorb and fix the rotor yoke 102 on the assembly positioning groove 1021. In the above embodiment, the yoke grabbing module 34 can realize the precise material collection of the rotor yoke 102 through the design of the yoke material collection motor 341, the yoke material collection connecting shaft 342 and the yoke material collection block 344, thereby ensuring the accuracy of the position and angle of the rotor yoke 102 during the assembly process. The setting of the yoke pressure sensor 343 can monitor the pressure of the yoke picking block 344 on the rotor yoke 102 in real time, thereby ensuring the stability and reliability during the assembly process and avoiding the displacement or loosening of the yoke during the assembly process. The clamping portion of the yoke picking block 344 is provided with a yoke clamping groove 3461, and in conjunction with the clamping positioning pin 3462 and the yoke adsorption hole 3463, it can achieve precise clamping and positioning of the rotor yoke 102, ensuring the correct position and posture of the yoke during the assembly process. The drive of the yoke picking motor 341 and the design of the yoke clamping portion 346 make the picking process of the rotor yoke 102 more automated and efficient, which can improve the speed and efficiency of the rotor assembly and reduce the cost and risk of manual operation. The design of the yoke grabbing module 34 can achieve precise clamping and assembly of the rotor yoke 102, which is conducive to improving the assembly accuracy and consistency of the rotor assembly, and improving the quality and performance stability of the overall product.

[0030] See also Figure 9~Figure 10As shown, the magnetic tile assembly component 4 includes a magnetic tile supply tray 41, a magnetic tile picking support frame 42, a magnetic tile picking transmission module 43 and a magnetic tile pressing module 44; the magnetic tile supply tray 41 is located on one side of the workbench 1, the magnetic tile picking support frame 42 is arranged on the workbench 1, the magnetic tile picking transmission module 43 is arranged on the magnetic tile picking support frame 42, and is used to drive the magnetic tile pressing module 44 to pick up materials on the magnetic tile supply tray 41 and assemble them on the magnetic tile slot 1022, and the magnetic tile pressing module 44 is arranged on the magnetic tile picking transmission module 43. In the above embodiment, the magnetic tile assembly component 4 realizes the automated operation of the magnetic tile assembly process through the design of the magnetic tile supply tray 41, the magnetic tile picking support frame 42, the magnetic tile picking transmission module 43 and the magnetic tile pressing module 44, which reduces the labor cost and improves the assembly consistency and stability. By driving the magnetic tile pressing module 44 to pick up materials from the magnetic tile supply tray 41 and assemble them into the magnetic tile slot 1022 through the magnetic tile material picking transmission module 43, precise control of the magnetic tile assembly process can be achieved, the accuracy and consistency of the assembly is ensured, and the assembly precision is improved. The setting of the magnetic tile material picking transmission module 43 makes the magnetic tile picking and pressing process more automated and efficient, which can improve the speed and efficiency of rotor assembly and reduce the cost and risk of manual operation. The design of the magnetic tile material picking transmission module 43 and the magnetic tile pressing module 44 ensures the stability and reliability of the magnetic tiles during the assembly process, and effectively avoids problems such as misalignment or looseness that may occur during the assembly process.

[0031] The bottom of the rotor housing 101 is provided with a retaining ring 1012, and the retaining ring 1012 is provided with an assembly fixing groove 1013, and the positioning jig 5 is provided with a jig groove 51, and the jig groove 51 is provided with a jig positioning pin 52, and the jig positioning pin 52 is used to cooperate with the assembly fixing groove 1013 to fix the rotor housing 101 on the jig groove 51. In this embodiment, the retaining ring 1012 and the assembly fixing groove 1013 provided at the bottom of the rotor housing 101, and the jig groove 51 and the jig positioning pin 52 on the positioning jig 5 can achieve accurate positioning and fixing of the rotor housing 101 on the positioning jig 5, thereby ensuring the stability and assembly accuracy of the rotor during assembly. The design of the retaining ring 1012 and the assembly fixing groove 1013 can make the rotor housing 101 more conveniently fixed on the positioning jig 5 during the assembly process, thereby improving the assembly efficiency and the convenience of operation. Through the coordinated design of the jig groove 51 and the jig locating pin 52 , the accurate positioning and fixation of the rotor housing 101 can be ensured, the accuracy and stability during the assembly process are improved, and it is beneficial to the quality control of the overall product.

[0032] The turntable assembly 2 includes a dividing drive module 21 and a disc 22 connected to the dividing drive module 21, the positioning fixture 5 is arranged on the disc 22, the dividing drive module 21 includes a dividing drive motor 211 and a divider 212, the driving end of the dividing drive motor 211 is connected to the divider 212, and the disc 22 is arranged at the driving end of the divider 212. In this embodiment, through the design of the dividing drive module 21, including the connection between the dividing drive motor 211, the divider 212 and the disc 22, the positioning fixture 5 can be accurately positioned and rotated, ensuring the accuracy of the position and angle during the rotor assembly process. The dividing drive motor 211 drives the divider 212, thereby driving the rotation of the disc 22, so that the positioning fixture 5 can automatically rotate to the required assembly position, realizing the automatic control and operation of the turntable assembly 2 in the rotor assembly process. The design of precise positioning and rotation can ensure the accurate position and angle of the positioning fixture 5 during the assembly process, which is beneficial to improving the assembly accuracy and consistency of the rotor assembly, and improving the quality and performance stability of the overall product.

[0033] The yoke feeding disk 31 includes a yoke vibration disk 311 and a yoke vibration track 312, wherein the yoke vibration disk 311 is used to vibrate and feed the rotor yoke 102 to the yoke vibration track 312, and a material picking position is arranged at one end of the yoke vibration track 312, and the yoke material picking transmission module 33 is used to drive the yoke grabbing module 34 to grab the rotor yoke 102 at the material picking position; specifically, the yoke material picking transmission module 33 includes a yoke conveying device 331 and a yoke lifting device 332, wherein the yoke lifting device 332 is arranged on the yoke conveying device 331, and the yoke pressing module 35 is arranged at one end of the yoke conveying device 331, and the yoke lifting device 332 is provided with a yoke material picking bracket 333, and the yoke material picking motor 341 is arranged on the yoke material picking bracket 333. In this embodiment, the design of the yoke vibration disk 311 and the yoke vibration track 312 realizes the automatic feeding process of the rotor yoke 102, improves the efficiency and stability of feeding, and reduces the cost of manual operation. The yoke transfer device 331, the yoke lifting device 332 and the yoke feeding bracket 333 in the yoke feeding transmission module 33 can realize the accurate feeding of the rotor yoke 102, and ensure the accuracy and consistency of the feeding process. The setting of the yoke pressing module 35 in the yoke feeding transmission module 33 can ensure the stability and reliability of the yoke during the feeding and assembly process, and avoid possible problems such as misalignment or looseness. The yoke transfer device 331 and the yoke lifting device 332 can be a combination of a linear module, a linear motor or a cylinder guide rail, in order to realize automatic linear drive. The automated yoke feeding and feeding process and the design of the yoke pressing module 35 can improve the speed and efficiency of rotor assembly, reduce labor costs, and improve assembly consistency and stability.

[0034] The yoke material taking connecting shaft 342 includes a yoke fixed shaft sleeve 3421 and a yoke movable shaft 3422, a yoke pressure sensor 343 is arranged on the yoke fixed shaft sleeve 3421 and the yoke movable shaft 3422, and the yoke material taking block 344 is arranged on the yoke movable shaft 3422; specifically, the yoke material taking motor 341 is used to drive the yoke material taking connecting shaft 342 to rotate, drive the rotor yoke 102 clamped by the yoke material taking block 344 to rotate, so as to adjust the assembly direction of the rotor yoke 102. In this embodiment, through the design of the yoke material taking connecting shaft 342, including the arrangement of the yoke fixed shaft sleeve 3421, the yoke movable shaft 3422 and the pressure sensor, the assembly direction of the rotor yoke 102 can be accurately adjusted, ensuring the accuracy of the position and angle during the assembly process. By using the yoke pressure sensor arranged on the yoke fixed shaft sleeve 3421 and the yoke movable shaft 3422, the pressure condition during the assembly process can be monitored in real time to ensure the stability and safety of the assembly. The yoke picking motor 341 drives the yoke picking connecting shaft 342 to rotate, driving the rotor yoke 102 clamped by the yoke picking block 344 to adjust, thereby realizing the automatic adjustment of the assembly direction of the rotor yoke 102 and improving the assembly efficiency and accuracy. By real-time monitoring of pressure and precise adjustment of the assembly direction, the assembly accuracy and consistency of the rotor assembly can be improved, which is conducive to improving the quality and performance stability of the overall product.

[0035] The yoke pressing module 35 includes a yoke pressing cylinder 351 and a yoke pressing block 352 connected to the yoke pressing cylinder 351, and the yoke pressing block 352 is used to press the rotor yoke toward the assembly positioning groove 1021. In this embodiment, through the design of the yoke pressing module 35, including the yoke pressing cylinder 351 and the yoke pressing block 352, the yoke can be accurately pressed toward the assembly positioning groove 1021, ensuring the accuracy of the position and angle of the rotor yoke 102 during the assembly process. By using the yoke pressing cylinder 351 to drive the yoke pressing block 352, the yoke can be automatically pressed, which improves the efficiency and stability of assembly and reduces the cost of manual operation.

[0036] The magnetic tile feeding disk 41 includes a magnetic tile vibration disk 411 and a magnetic tile vibration track 412. The magnetic tile vibration disk 411 is used to vibrate and feed the rotor magnetic tile 103 to the magnetic tile vibration track 412. One end of the magnetic tile vibration track 412 is provided with a material picking position. The magnetic tile material picking transmission module 43 is used to drive the magnetic tile pressing module 44 to grab the rotor magnetic tile 103 at the material picking position. Specifically, the magnetic tile material picking transmission module 43 includes a magnetic tile transfer device 431 and a magnetic tile lifting device 432. The magnetic tile lifting device 432 is arranged on the magnetic tile transfer device 431. The magnetic tile pressing module 44 is arranged at one end of the magnetic tile transfer device 431. The magnetic tile lifting device 432 is provided with a magnetic tile material picking bracket 433. In this embodiment, through the design of the magnetic tile vibration disk 411 and the magnetic tile vibration track 412, the automatic feeding process of the rotor magnetic tile 103 is realized, the feeding efficiency and stability are improved, and the cost of manual operation is reduced. By using the magnetic tile transfer device 431, the magnetic tile lifting device 432 and the magnetic tile material picking bracket 433 in the magnetic tile material picking transmission module 43, the rotor magnetic tile 103 can be accurately picked up, ensuring the accuracy and consistency of the picking process. By setting the magnetic tile pressing module 44 in the magnetic tile material picking transmission module 43, the stability and reliability of the magnetic tile during the picking and assembly process can be guaranteed, avoiding possible problems such as misalignment or looseness.

[0037] See also Fig.10As shown, the magnetic tile pressing module 44 includes a magnetic tile material taking motor 441 and a magnetic tile material taking connecting shaft 442 connected to the magnetic tile material taking motor 441, the magnetic tile material taking connecting shaft 442 includes a material taking fixed shaft 4421 and a material taking movable shaft 4422, and a magnetic tile pressure sensor 4423 is arranged between the material taking fixed shaft 4421 and the material taking movable shaft 4422; the material taking movable shaft 4422 is provided with a material taking trough 4424, and the material taking trough 4424 is used to grab the rotor magnetic tile 103. Specifically, the material taking trough 4424 is provided with an adsorption hole 4425, and the material taking trough 4424 is provided with a positioning arc platform 4426, and the adsorption hole 4425 is arranged on the positioning arc platform 4426, and the rotor magnetic tile 103 is provided with a positioning arc groove 1031, and the positioning arc groove 1031 is used to cooperate with the positioning arc platform 4426 to position the rotor magnetic tile 103 during the material taking process. In this embodiment, through the design of the magnetic tile material picking connecting shaft 442, including the setting of the material picking fixed shaft 4421, the material picking movable shaft 4422 and the magnetic tile pressure sensor 4423, the rotor magnetic tile 103 can be accurately picked up, ensuring the accuracy of the position and angle of the material picking process. The material picking trough 4424 is provided with an adsorption hole 4425 and a positioning arc platform 4426, and the rotor magnetic tile 103 is provided with a positioning arc groove 1031, so that the rotor magnetic tile 103 can be positioned during the material picking process, ensuring the stability and accuracy of the material picking process. The magnetic tile material picking motor 441 drives the magnetic tile material picking connecting shaft 442, and drives the material picking movable shaft 4422 to perform the material picking operation, realizing the automated material picking process of the magnetic tile, improving the efficiency and stability of the material picking, and reducing the cost of manual operation. Through the precise material picking and positioning functions, the assembly accuracy and consistency of the rotor assembly can be improved, which is conducive to improving the quality and performance stability of the overall product.

[0038] See also Figure 1 to Figure 10 As shown, a rotor assembly method for a direct-drive motor includes the rotor assembly mechanism 20 of the direct-drive motor; the rotor assembly method includes the following steps: Step S1, placing the rotor housing 101 on the positioning fixture 5 and fixing the positioning fixture 5 by the turntable assembly 2; Step S2, the yoke feeding tray 31 is used to vibrate and feed the rotor yoke 102, and then the yoke picking transmission module 33 drives the yoke grabbing module 34 to grab the rotor yoke 102 on the yoke feeding tray 31, and transfer the rotor yoke 102 to the top of the positioning fixture 5; Step S3, the yoke grabbing module 34 drives the yoke grabbing connecting shaft 342 through the yoke grabbing motor 341 to drive the rotor yoke 102 grabbed by the yoke grabbing block 344 to adjust so that the clamping positioning pin 3462 and the assembly positioning pin 1011 are on the same axis, and then the rotor yoke 102 is pushed from the yoke clamping groove 3461 to the inner periphery of the rotor housing 101 through the yoke pressing module 35, so that the assembly positioning groove 1021 slides into the assembly positioning pin 1011; Step S4, after the rotor yoke 102 is assembled, the turntable assembly 2 drives the positioning fixture 5 to rotate to drive the rotor housing 101 to the next assembly positioning pin 1011, and then repeat step S3, assemble multiple times in sequence, and form a magnetic tile slot 1022 on the adjacent rotor magnetic tile 103; Step S5, when the assembly of the rotor yoke 102 is completed, one end is rotated to the bottom of the magnetic tile assembly component 4, and then the magnetic tile material taking transmission module 43 drives the magnetic tile pressing module 44 to take the material from the magnetic tile supply tray 41, and transfer it to the magnetic tile slot 1022 for assembly. After repeatedly inserting the rotor magnetic tile 103 into each magnetic tile slot 1022, the assembly of the motor rotor 10 is completed.

[0039] By placing the rotor housing 101 on the positioning fixture 5 and fixing it in step S1, and using the turntable assembly 2 to fix the positioning fixture 5, the precise positioning of the rotor housing 101 is achieved, ensuring the accuracy of the subsequent assembly steps. Through the operation of the yoke feeding plate 31, the yoke material taking transmission module 33, the yoke grabbing module 34 and the yoke pressing module 35 in steps S2 and S3, the automatic material taking and assembly of the rotor yoke 102 are achieved, and the assembly efficiency and consistency are improved. Through the adjustment of the yoke taking block 344 and the pushing of the yoke pressing module 35 in step S3, the stability and reliability of the rotor yoke 102 during the assembly process are guaranteed, and the possible misalignment or looseness during the assembly process is avoided. In step S4, the positioning fixture 5 is driven to rotate by the turntable assembly 2, and multiple assemblies of the rotor housing 101 are achieved, and magnetic tile slots 1022 are formed on adjacent rotor magnetic tiles 103, which improves the assembly accuracy and consistency. Through the operation of the magnetic tile material taking transmission module 43 and the magnetic tile pressing module 44 in step S5, the automatic material taking and assembly of the magnetic tile is realized, the labor cost is reduced, and the assembly efficiency and stability are improved. The present invention can achieve technical effects such as accurate positioning, automatic assembly, stable and reliable assembly, improved assembly accuracy, automatic magnetic tile assembly, and process optimization.

[0040] The above embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the present invention. It should be pointed out that, for a person of ordinary skill in the art, several modifications and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention patent shall be subject to the attached claims.

Claims

1. A rotor assembly mechanism for a direct drive motor, characterized in that: The motor rotor comprises a rotor housing, a rotor yoke and a rotor magnetic shoe, the inner circumferential surface of the rotor housing is uniformly provided with assembly positioning pins, a plurality of the rotor yokes are provided, the rotor yoke is provided with an assembly positioning groove, the assembly positioning groove is used to cooperate with the assembly positioning pins, a magnetic shoe slot is provided between two adjacent rotor yokes, and the rotor magnetic shoe is arranged in the magnetic shoe slot; The rotor assembly mechanism includes a workbench, a turntable assembly, a yoke assembly assembly and a magnetic tile assembly assembly. A positioning fixture is arranged on the turntable assembly. The positioning fixture is used to fix the rotor housing. The turntable assembly is used to drive the positioning fixture to rotate so as to drive the rotor housing to rotate; the yoke assembly assembly includes a yoke feeding tray, a yoke picking support frame, a yoke picking transmission module, a yoke grabbing module and a yoke pressing module; the yoke feeding tray is located on one side of the workbench, the yoke picking support frame is arranged on the workbench, the yoke picking transmission module is arranged on the yoke picking support frame, and is used to drive the yoke grabbing module to pick up materials on the yoke feeding tray and place them on the positioning fixture for assembly, and the yoke grabbing module and the yoke pressing module are both arranged The yoke picking module is disposed on the yoke picking transmission module; the yoke picking module includes a yoke picking motor, a yoke picking connecting shaft, a yoke pressure sensor and a yoke picking block, the driving end of the yoke picking motor is connected to the yoke picking connecting shaft, the yoke pressure sensor is arranged on the yoke picking connecting shaft, the yoke picking block is arranged on the yoke picking connecting shaft, the yoke picking block includes a picking connecting portion and a yoke clamping portion, the yoke clamping portion is provided with a yoke clamping groove, the yoke clamping groove is provided with a clamping positioning pin, the clamping positioning pin is provided with a yoke adsorption hole, the yoke clamping groove is used to clamp the rotor yoke, the clamping positioning pin is used to cooperate with the assembly positioning groove, and the yoke adsorption hole is used to adsorb and fix the rotor yoke on the assembly positioning groove; The magnetic tile assembly component includes a magnetic tile supply tray, a magnetic tile picking support frame, a magnetic tile picking transmission module and a magnetic tile press-fitting module; the magnetic tile supply tray is located on one side of the workbench, the magnetic tile picking support frame is arranged on the workbench, the magnetic tile picking transmission module is arranged on the magnetic tile picking support frame, and is used to drive the magnetic tile press-fitting module to pick up materials on the magnetic tile supply tray and assemble them into the magnetic tile slots, and the magnetic tile press-fitting modules are all arranged on the magnetic tile picking transmission module.

2. The rotor assembly mechanism of the direct drive motor according to claim 1, characterized in that: A retaining ring is provided at the bottom of the rotor housing, an assembly fixing groove is provided on the retaining ring, a fixture groove is provided on the positioning fixture, a fixture positioning pin is provided on the fixture groove, and the fixture positioning pin is used to cooperate with the assembly fixing groove to fix the rotor housing on the fixture groove.

3. The rotor assembly mechanism of the direct drive motor according to claim 1, characterized in that: The turntable assembly includes a dividing drive module and a disc connected to the dividing drive module, the positioning fixture is arranged on the disc, the dividing drive module includes a dividing drive motor and a divider, the driving end of the dividing drive motor is connected to the divider, and the disc is arranged at the driving end of the divider.

4. The rotor assembly mechanism of the direct drive motor according to claim 1, characterized in that: The yoke feeding plate includes a yoke vibrating plate and a yoke vibrating track. The yoke vibrating plate is used to vibrate the rotor yoke to the yoke vibrating track. One end of the yoke vibrating track is provided with a material taking position. The yoke taking transmission module is used to drive the yoke grabbing module to grab the rotor yoke at the material taking position. The yoke material picking transmission module includes a yoke conveying device and a yoke lifting device, the yoke lifting device is arranged on the yoke conveying device, the yoke pressing module is arranged at one end of the yoke conveying device, the yoke lifting device is provided with a yoke material picking bracket, and the yoke material picking motor is arranged on the yoke material picking bracket.

5. The rotor assembly mechanism of the direct drive motor according to claim 1, characterized in that: The yoke material taking connecting shaft comprises a yoke fixed shaft sleeve and a yoke movable shaft, the yoke pressure sensor is arranged on the yoke fixed shaft sleeve and the yoke movable shaft, and the yoke material taking block is arranged on the yoke movable shaft; The yoke feeding motor is used to drive the yoke feeding connection shaft to rotate, thereby driving the rotor yoke clamped by the yoke feeding block to rotate, so as to adjust the assembly direction of the rotor yoke.

6. The rotor assembly mechanism of the direct drive motor according to claim 1, characterized in that: The yoke pressing module comprises a yoke pressing cylinder and a yoke pressing block connected to the yoke pressing cylinder, and the yoke pressing block is used to press the rotor yoke toward the assembly positioning groove.

7. The rotor assembly mechanism of the direct drive motor according to claim 1, characterized in that: The magnetic tile feeding plate comprises a magnetic tile vibrating plate and a magnetic tile vibrating track. The magnetic tile vibrating plate is used to vibrate and feed the rotor magnetic tiles to the magnetic tile vibrating track. One end of the magnetic tile vibrating track is provided with a material taking position. The magnetic tile taking transmission module is used to drive the magnetic tile pressing module to grab the rotor magnetic tiles at the material taking position. The magnetic tile material taking transmission module includes a magnetic tile transfer device and a magnetic tile lifting device. The magnetic tile lifting device is arranged on the magnetic tile transfer device. The magnetic tile pressing module is arranged at one end of the magnetic tile transfer device. The magnetic tile lifting device is provided with a magnetic tile material taking bracket.

8. The rotor assembly mechanism of the direct drive motor according to claim 1, characterized in that: The magnetic shoe pressing module includes a magnetic shoe feeding motor and a magnetic shoe feeding connecting shaft connected to the magnetic shoe feeding motor, the magnetic shoe feeding connecting shaft includes a fixed feeding shaft and a movable feeding shaft, a magnetic shoe pressure sensor is arranged between the fixed feeding shaft and the movable feeding shaft; the movable feeding shaft is provided with a feeding trough, and the feeding trough is used to grab the rotor magnetic shoe.

9. The rotor assembly mechanism of the direct drive motor according to claim 8, characterized in that: The material taking trough is provided with adsorption holes, the material taking trough is provided with a positioning arc platform, the adsorption holes are provided on the positioning arc platform, the rotor magnetic shoe is provided with a positioning arc groove, the positioning arc groove is used to cooperate with the positioning arc platform to position the rotor magnetic shoe during the material taking process.

10. A method for assembling a rotor of a direct drive motor, characterized in that: A rotor assembly mechanism for a direct drive motor comprising any one of claims 1 to 9; The rotor assembly method comprises the following steps: Step S1, placing the rotor housing on a positioning jig and fixing the positioning jig by a turntable assembly; Step S2, the yoke feeding tray is used for vibrating and feeding the rotor yoke, and then the yoke picking transmission module drives the yoke grabbing module to grab the rotor yoke on the yoke feeding tray, and transfer the rotor yoke to the top of the positioning fixture; Step S3, the yoke grabbing module drives the yoke grabbing connecting shaft through the yoke grabbing motor to drive the rotor yoke grabbed by the yoke grabbing block to adjust so that the clamping positioning pin and the assembly positioning pin are on the same axis, and then the rotor yoke is pushed from the yoke clamping groove to the inner periphery of the rotor housing through the yoke pressing module so that the assembly positioning groove slides into the assembly positioning pin; Step S4, after the rotor yoke is assembled, the turntable assembly drives the positioning fixture to rotate to drive the rotor housing to the next assembly positioning pin, and then repeats step S3, assembling multiple times in sequence, and forming magnetic tile slots on adjacent rotor magnetic tiles; Step S5, when the assembly of one end of the rotor yoke is completed, it is rotated to the bottom of the magnetic tile assembly component, and then the magnetic tile material picking transmission module drives the magnetic tile pressing module to pick up the material on the magnetic tile supply tray, and transfer it to the magnetic tile slot for assembly. After repeatedly inserting the rotor magnetic tile into each magnetic tile slot, the assembly of the motor rotor is completed.

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