A production system for micro-motors

Abstract

The present application relates to the technical field of micro motor automated production, in particular to a micro motor production system, which comprises an automated assembly module, an intelligent detection module, a cooling system and a plurality of transfer robots; the automated assembly module comprises a first assembly station, a second assembly station, a third assembly station, a fourth assembly station, a fifth assembly station, a sixth assembly station and a seventh assembly station; the automated assembly module further comprises a plurality of feeding devices; the intelligent detection module is used for fault detection of the assembled micro motor; and the cooling system is used for cooling the micro motor during assembly. The present application realizes automated production, is conducive to improving the assembly efficiency of each component of the micro motor, monitors the working state of the motor in real time, enhances the comprehensive understanding of the health status of the micro motor, can find potential risks in the early stage, avoids safety accidents caused by motor failure, and ensures production safety and product quality.

Description

Technical Field

[0001] This invention relates to the field of automated production technology of micro motors, and in particular to a production system for micro motors. Background Technology

[0002] With the rapid development of technology, micro motors, as key components in numerous electronic devices, are finding increasingly wide applications, encompassing high-tech products ranging from smartphones and wearable devices to drones and robots. The performance, precision, and reliability of micro motors directly affect the overall product quality and user experience. Therefore, how to efficiently and effectively produce micro motors has become a focus of industry attention.

[0003] Traditional micro motor manufacturing methods rely primarily on manual labor or semi-automated equipment, resulting in low production efficiency, difficulty in guaranteeing assembly precision, and incomplete quality inspection. Furthermore, with the rapid pace of product updates, production systems require frequent adjustments to adapt to the production needs of different micro motor models, further increasing production costs and complexity.

[0004] In recent years, with the rapid development of industrial automation and intelligent technologies, automated production lines and intelligent inspection systems have been widely used in the manufacturing industry. However, in the field of micro motor production, micro motors are packaged and shipped directly after production, lacking inspection of their operating status. Traditional inspection methods only involve manual inspection of the micro motor's appearance and startup status, and there is currently a significant lack of systems for monitoring the stability of the motor's operating status.

[0005] Therefore, there is an urgent need to develop advanced technologies such as integrated automated assembly and intelligent testing, which have enabled the production of micro motors to be more efficient, intelligent and precise, providing strong support for the development of the micro motor manufacturing industry. Summary of the Invention

[0006] This invention addresses the problems of existing technologies by providing a micro motor production system that enables automated production, thereby improving the assembly efficiency of various micro motor components. It provides real-time monitoring of the motor's operating status, immediately triggering an early warning mechanism to promptly notify technicians of micro motor malfunctions for easy troubleshooting. This invention enhances the comprehensive understanding of the micro motor's health status, enabling the early detection of potential risks, preventing safety accidents caused by motor malfunctions, and ensuring production safety and product quality.

[0007] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0008] This invention provides a micro motor production system, which includes an automated assembly module, an intelligent testing module, a cooling system, and multiple transfer robots;

[0009] The automated assembly module includes a first assembly station for mounting the rear axle onto the rear end cover, a second assembly station for mounting the rear end cover onto the rear end of the stator frame, a third assembly station for mounting the rotor inside the stator frame, a fourth assembly station for mounting the front axle onto the front end cover, a fifth assembly station for mounting the front end cover onto the front end of the stator frame, a sixth assembly station for mounting the stator frame inside the housing, and a seventh assembly station for mounting the protective cover onto the front opening of the housing.

[0010] The automated assembly module also includes multiple feeding devices, which are used to feed the rear bushing, rear end cover, stator frame, rotor, front bushing, front end cover, outer shell and protective cover respectively.

[0011] The intelligent detection module is used to detect faults in the assembled micro motor;

[0012] The cooling system is used to cool the micro motors during the assembly process.

[0013] Among them, a first hot melt station is provided between the first assembly station and the second assembly station. The first hot melt station is used to heat and melt the rear positioning pins on both sides of one end face of the rear cover to a preset temperature.

[0014] The cooling system includes a first cooling station, which is equipped with a first fan. The first fan is used to blow air to cool the rear end cover and the stator frame after they are assembled.

[0015] A second hot-melt station is provided between the fourth assembly station and the fifth assembly station. The second hot-melt station is used to heat and melt the front positioning pins on both sides of one end face of the front cover to a preset temperature.

[0016] The cooling system includes a second cooling station, which is equipped with a second fan. The second fan is used to blow air to cool the front end cover and the stator frame after they are assembled.

[0017] A third hot-melt station is provided between the fifth assembly station and the sixth assembly station. The third hot-melt station is used to heat and melt the stator positioning columns on both sides of the outer wall of the stator frame to a preset hot-melt temperature.

[0018] The cooling system includes a third cooling station, which is equipped with a third fan. The third fan is used to blow air to cool the stator frame and the housing after they are assembled.

[0019] Among them, a fourth hot-melt station is provided between the sixth assembly station and the seventh assembly station. The fourth hot-melt station is used to heat and melt the cover positioning posts on both sides of the lower end of the protective cover to a preset hot-melt temperature.

[0020] The cooling system includes a fourth cooling station, which is equipped with a fourth fan. The fourth fan is used to blow air to cool the protective cover and the outer shell after they are assembled.

[0021] The intelligent detection module includes a detection system, which comprises an encoder, a first temperature sensor, a second temperature sensor, a third temperature sensor, a torque sensor, a data acquisition unit, and a monitoring terminal. The encoder, the first temperature sensor, the second temperature sensor, the third temperature sensor, and the torque sensor are respectively connected to the data acquisition unit; the data acquisition unit is connected to the monitoring terminal.

[0022] The encoder is mounted on the output shaft of the motor; the first temperature sensor is mounted on the stator winding of the motor, the second temperature sensor is mounted on the inner wall of the motor housing, and the third temperature sensor is mounted on the bearing of the motor; the torque sensor is mounted on the output shaft of the motor.

[0023] The data acquisition unit is used to collect data detected by the encoder, the first temperature sensor, the second temperature sensor, the third temperature sensor, and the torque sensor, and send the data to the monitoring terminal. The monitoring terminal determines whether the received data is abnormal according to preset parameters. If abnormal data is found, it sends an early warning message to the technicians.

[0024] The data acquisition unit, when acquiring encoder speed data, saves and records the speed data and its time points, and generates a speed-time waveform graph, which is then sent to the monitoring terminal. The monitoring terminal compares the received speed-time waveform graph with a preset speed-time waveform graph. If the waveform graph matches the curve, it is determined to be working normally; if the waveform graph does not match the curve, it is determined to be working abnormally, and an early warning message is sent to the technicians.

[0025] Specifically, when the detected waveform matches the change curve, the error values ​​of each peak and / or trough in the waveform of the speed change over time are compared with each peak and / or trough in the preset speed-time waveform. If the error value is greater than 2 rps more than 5 times within 60 seconds, it is determined to be an abnormal operation, and an early warning message is sent to the technicians.

[0026] The monitoring terminal is equipped with preset safety temperature thresholds, including a first temperature threshold, a second temperature threshold, and a third temperature threshold. When the data acquisition unit collects data from the first, second, and third temperature sensors, it saves and records the collected temperature data and sends it to the monitoring terminal. When the real-time temperature values ​​of the first, second, and third temperature sensors received by the monitoring terminal simultaneously exceed the first, second, and third temperature thresholds, respectively, it is determined to be an operational abnormality, and an early warning message is sent to the technical personnel.

[0027] If only one or two of the real-time temperature values ​​from the first, second, and third temperature sensors exceed the preset safe temperature threshold, data reception continues. If the number of times one or two of the real-time temperature values ​​from the first, second, and third temperature sensors exceed the preset safe temperature threshold exceeds five times within five minutes, it is determined to be an operational malfunction, and a warning message is sent to the technical personnel.

[0028] The detection system further includes an infrared thermal imaging detection unit, which includes a first infrared thermal imager, a second infrared thermal imager, and a third infrared thermal imager. The first infrared thermal imager, the second infrared thermal imager, and the third infrared thermal imager are respectively connected to the data acquisition unit via signal connection.

[0029] The imaging end of the first infrared thermal imager is aligned with the output shaft of the motor;

[0030] The imaging end of the second infrared thermal imager is aligned with the bearing of the motor output shaft;

[0031] The imaging end of the third infrared thermal imager is aimed at the outer surface of the motor;

[0032] The data acquisition unit sends the thermal images acquired from the first infrared thermal imager, the second infrared thermal imager, and the third infrared thermal imager to the monitoring terminal respectively.

[0033] The beneficial effects of this invention are:

[0034] This invention features an ingenious design. During operation, multiple feeding devices transport various components of the micro-motor (including the rear axle sleeve, rear end cover, stator frame, rotor, front axle sleeve, front end cover, outer shell, and protective cover) for feeding. Multiple transfer robots then transport these components to corresponding assembly stations in the automated assembly module. The micro-motor is assembled at the first, second, third, fourth, fifth, sixth, and seventh assembly stations of the automated assembly module, resulting in high automated production efficiency. The cooling system is used to cool the micro-motor during the assembly process. This invention improves the assembly efficiency of various components of a micro motor. The assembled micro motor is then transferred to an intelligent detection module via a transport robot to monitor its operational status after startup. This monitoring eliminates the need for frequent on-site manual inspections, significantly improving maintenance efficiency and reducing labor costs. Real-time monitoring of the motor's operating status triggers an early warning mechanism, promptly notifying technicians of any micro motor malfunctions for easy troubleshooting. This invention enhances the comprehensive understanding of the micro motor's health status, enabling the early detection of potential risks, preventing safety accidents caused by motor malfunctions, and ensuring production safety and product quality. Attached Figure Description

[0035] Figure 1 This is a schematic diagram of a micro motor production system according to the present invention.

[0036] Figure 2 This is a schematic diagram of the detection system of the present invention.

[0037] Figure 3 This is an exploded view of the structure of the micro motor produced by this invention.

[0038] Figure 4 This is a cross-sectional view of the micro motor produced by this invention.

[0039] Figure 5 This is a schematic diagram of the mounting bracket of the present invention.

[0040] exist Figures 1 to 5 The reference numerals in the figures include:

[0041] 100. Automated assembly module; 200. Intelligent detection module; 300. Cooling system; 400. Feeding device; 500. Data acquisition unit; 600. Monitoring terminal;

[0042] 1. Outer casing; 2. Protective cover; 3. Stator frame; 4. Rotor; 5. Shaft; 6. Front end cover; 7. Rear end cover; 8. Coil; 9. Outer central shaft hole; 10. Front central shaft hole; 11. Front bushing; 12. Rear central shaft hole; 13. Rear bushing; 14. Rear positioning pin; 15. Rear positioning hole; 16. Front positioning pin; 17. Front positioning hole; 18. Abutment block; 19. Cavity; 20. Support platform; 21. Stator 21. Positioning pin; 22. Stator positioning hole; 23. End cover support; 24. Front mounting groove; 25. Support block; 26. Cover insertion hole; 27. Cover positioning pin; 28. Cover groove; 101. Universal damping ball joint bracket; 102. Telescopic rod; 103. Mounting base; 104. Mounting hole; 105. Outer sleeve; 106. Inner sleeve; 107. Positioning ball; 108. Positioning hole; 109. Mounting bracket. Detailed Implementation

[0043] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to embodiments and accompanying drawings. The content mentioned in the embodiments is not intended to limit the present invention. The present invention will be described in detail below with reference to the accompanying drawings.

[0044] Example 1

[0045] A micro motor production system, such as Figures 1 to 2 As shown, it includes an automated assembly module 100, an intelligent detection module 200, a cooling system 300, and multiple transfer robots; the automated assembly module 100 includes a first assembly station for installing the rear axle sleeve 13 onto the rear end cover 7, a second assembly station for assembling the rear end cover 7 onto the rear end of the stator frame 3, a third assembly station for assembling the rotor 4 inside the stator frame 3, a fourth assembly station for installing the front axle sleeve 11 onto the front end cover 6, a fifth assembly station for assembling the front end cover 6 onto the front end of the stator frame 3, and a fifth assembly station for installing the rotor 4 into the stator frame 3. The stator frame 3 is assembled in the sixth assembly station inside the housing 1, and the protective cover 2 is assembled in the seventh assembly station at the front opening of the housing 1; the automated assembly module 100 also includes multiple feeding devices 400, which are used to feed the rear bushing 13, rear end cover 7, stator frame 3, rotor 4, front bushing 11, front end cover 6, housing 1 and protective cover 2 respectively; the intelligent detection module 200 is used to detect faults in the assembled micro motor; the cooling system 300 is used to cool the micro motor during the assembly process.

[0046] Specifically, the embodiments of this application are ingeniously designed. During operation, multiple feeding devices 400 respectively transport various components of the micro motor (including the rear axle sleeve 13, rear end cover 7, stator frame 3, rotor 4, front axle sleeve 11, front end cover 6, outer shell 1, and protective cover 2) for feeding. Multiple transfer robots transfer the various components of the micro motor to the corresponding assembly stations in the automated assembly module 100. The assembly of the micro motor is completed through the first, second, third, fourth, fifth, sixth, and seventh assembly stations of the automated assembly module 100. The cooling system 300 is used to cool the micro motor during the assembly process. Cooling the micro motor improves assembly efficiency among its components. The assembled micro motor is then transferred to the intelligent detection module 200 via a transport robot to monitor its operational status after startup. This monitoring eliminates the need for frequent on-site manual checks, significantly improving maintenance efficiency and reducing labor costs. Real-time monitoring of the motor's operating status triggers an early warning mechanism, promptly notifying technicians of any micro motor malfunctions for troubleshooting. This embodiment enhances a comprehensive understanding of the micro motor's health status, enabling early detection of potential risks, preventing safety accidents caused by motor failures, and ensuring production safety and product quality.

[0047] Of course, in the actual production process, the intelligent detection module 200 can be used to monitor the micro motors by sampling, rather than monitoring every micro motor, in order to ensure the efficiency of automated production in this embodiment.

[0048] In the embodiments of this application, such as Figure 1 As shown, a first hot melt station is also provided between the first assembly station and the second assembly station. The first hot melt station is used to heat and melt the rear positioning pins 14 on both sides of one end face of the rear end cover 7 to a preset temperature. The cooling system 300 includes a first cooling station, which is equipped with a first fan. The first fan is used to blow air to cool the rear end cover 7 and the stator frame 3 after they are assembled.

[0049] Among them, a second hot melt station is set between the fourth assembly station and the fifth assembly station. The second hot melt station is used to heat and melt the front positioning pins 16 on both sides of one end face of the front cover 6 to a preset temperature. The cooling system 300 includes a second cooling station, which is equipped with a second fan. The second fan is used to blow air to cool the front cover 6 and the stator frame 3 after they are assembled.

[0050] Among them, a third hot melt station is set between the fifth assembly station and the sixth assembly station. The third hot melt station is used to heat and melt the stator positioning columns 21 on both sides of the outer wall of the stator frame 3 to the preset hot melt temperature. The cooling system 300 includes a third cooling station, which is equipped with a third fan. The third fan is used to blow air to cool the stator frame 3 and the outer shell 1 after they are assembled.

[0051] Among them, a fourth hot-melt station is set between the sixth assembly station and the seventh assembly station. The fourth hot-melt station is used to heat and melt the cover positioning posts 27 on both sides of the lower end of the protective cover 2 to the preset hot-melt temperature. The cooling system 300 includes a fourth cooling station, which is equipped with a fourth fan. The fourth fan is used to blow air to cool the protective cover 2 and the outer shell 1 after they are assembled.

[0052] Specifically, in the assembly process of this application embodiment, such as Figures 3 to 4As shown, first, the rear bushing 13 and the rear end cover 7 are loaded, and the rear bushing 13 is installed in the rear central shaft hole 12 of the rear end cover 7; the rear positioning pins 14 on both sides of one end face of the rear end cover 7 are heated and melted to a preset temperature, the stator frame 3 is loaded, and the rear end cover 7 is assembled into the rear end opening of the stator frame 3 with coils 8. The heated and melted rear positioning pins 14 are inserted into the rear positioning holes 15 on both sides of the inner wall of the stator frame 3. During the assembly process, the heated and melted rear positioning pins 14 are inserted into the rear positioning holes 15, and then cooled (through the first...). After cooling by a fan to improve cooling efficiency and thus production efficiency, the heated and melted rear positioning pin 14 is fused into the rear positioning hole 15, and the rear end cover 7 is stably connected to the stator frame 3 and is not easy to loosen; then the rotating shaft 5 integrally formed with the rotor 4 is fed in, and the rear end of the rotating shaft 5 integrally formed with the rotor 4 is inserted from the front end of the stator frame 3 into the rear shaft sleeve 13 of the rear end cover 7. The rotating shaft 5 is movably set in the rear shaft sleeve 13 to achieve the rear end positioning of the rotating shaft 5; then the front shaft sleeve 11 and the front end cover 6 are fed in, and the front shaft sleeve 11 is installed on the front end cover. The front cover 6 is inserted into the front central shaft hole 10; the front bushing 11 of the front cover 6 is aligned with the front end of the rotating shaft 5, and the front cover 6 is moved so that the front end of the rotating shaft 5 passes through the front bushing 11 of the front cover 6, thus pre-positioning the front cover 6; the front positioning pins 16 on both sides of one end face of the front cover 6 are heated and melted to a preset temperature; the front cover 6 is assembled into the front opening of the stator frame 3, and then the melted front positioning pins 16 are inserted into the front positioning holes 17 on both sides of the inner wall of the stator frame 3. During the assembly process, the heated and melted front positioning pins 16 are inserted into the front stator frame 3. In the positioning socket 17, after cooling (cooled by the second fan to improve cooling efficiency and thus production efficiency), the heated and melted front positioning pin 16 is fused into the front positioning socket 17, and the front end cover 6 is stably connected to the stator frame 3 and is not easy to loosen; then the outer shell 1 is loaded, and the stator frame 3 with coil 8 is assembled into the outer shell 1 from the front opening of the outer shell 1; the protective cover 2 is loaded, and the protective cover 2 is assembled into the front opening of the outer shell 1 to close the front opening of the outer shell 1. The protective cover 2 is provided with an outer central shaft hole 9 for the front end of the rotating shaft 5 to pass through.

[0053] In this embodiment, abutment blocks 18 are provided on both sides of the outer wall of the stator frame 3, and the outer shell 1 is provided with a cavity 19. Support platforms 20 are provided on both sides of the inner wall of the cavity 19. The abutment blocks 18 are located above the support platforms 20. At least one stator positioning post 21 is provided at the lower end of the abutment blocks 18. At least one stator positioning hole 22 is provided on the support platform 20. The stator positioning post 21 and the stator positioning hole 22 are provided in a one-to-one correspondence. In step S9, when the stator frame 3 with coil 8 is assembled from the front opening of the outer shell 1 into the cavity 19 of the outer shell 1, the stator positioning post 21 is inserted into the stator positioning hole 22. Before inserting the stator positioning post 21 into the stator positioning hole 22, the stator positioning post 21 is heated and melted to a preset melting temperature. Specifically, under the above configuration, during the process of assembling the stator frame 3 into the housing 1, the initial positioning is achieved by first engaging the support platform 20 with the abutment block 18. During this process, the stator positioning post 21 is heat-fused and then inserted into the stator positioning hole 22. After cooling (cooled by a third fan to improve cooling efficiency and thus production efficiency), the stator positioning post 21 is fused into the stator positioning hole 22. The structure is highly stable, allowing the stator frame 3 to be securely installed in the housing 1 without easily loosening.

[0054] In this embodiment, support blocks 25 are respectively provided on the other two sides of the inner wall of the cavity 19, and cover insertion holes 26 are provided on the support blocks 25. Cover positioning posts 27 are respectively provided on the lower two sides of the protective cover 2. In step S10, when the protective cover 2 is assembled to the front opening of the outer shell 1, the cover positioning posts 27 are first heated and melted to a preset melting temperature, and then the cover positioning posts 27 are inserted into the cover insertion holes 26 until the protective cover 2 closes the front opening of the outer shell 1. Specifically, under the above configuration, when the protective cover 2 is assembled to the front opening of the outer shell 1, the cover positioning posts 27 of the protective cover 2 are first heated and melted before being inserted into the cover insertion holes 26. After cooling (cooled by a fourth fan to improve cooling efficiency and thus production efficiency), the cover positioning posts 27 are fused into the cover insertion holes 26. The structure is very stable, so that the protective cover 2 can be firmly installed on the outer shell 1 and is not easy to loosen.

[0055] The assembly method in this embodiment eliminates the need for screw tightening, making the assembly process quick and convenient. By omitting screw components, the assembly process is simplified, which is beneficial for improving production efficiency, simplifying production processes, increasing production capacity, and reducing labor costs. Furthermore, the micro motor assembled by this method does not have screw components, avoiding abnormal noise caused by loose screws and preventing problems in the operation of the micro motor caused by loose screws, thus improving the service life of the micro motor.

[0056] In this embodiment, the assembly process between the front cover 6, the rear cover 7, the rotating shaft 5 and the stator frame 3, and the assembly process between the stator frame 3, the protective cover 2 and the outer shell 1, can be performed by a CCD vision detector to position the front positioning pin 16, the front positioning hole 17, the rear positioning pin 14, the rear positioning hole 15, the stator positioning pin 21, the stator positioning hole 22, the protective cover positioning pin 27 and the protective cover hole 26. Multiple CCD vision detectors can be configured adaptively.

[0057] In this embodiment, the intelligent detection module includes a detection system, which comprises an encoder, a first temperature sensor, a second temperature sensor, a third temperature sensor, a torque sensor, a data acquisition unit 500, and a monitoring terminal 600. The encoder, the first temperature sensor, the second temperature sensor, the third temperature sensor, and the torque sensor are respectively signal-connected to the data acquisition unit; the data acquisition unit 500 is signal-connected to the monitoring terminal 600; the encoder is mounted on the output shaft of the motor; the first temperature sensor is mounted on the stator winding of the motor, the second temperature sensor is mounted on the inner wall of the motor housing, and the third temperature sensor is mounted on the bearing of the motor; the torque sensor is mounted on the output shaft of the motor. Of course, the encoder, the first temperature sensor, the second temperature sensor, the third temperature sensor, and the torque sensor are already installed or attached to their respective components before the micro motor is assembled; the data acquisition unit is used to collect the data detected by the encoder, the first temperature sensor, the second temperature sensor, the third temperature sensor, and the torque sensor, and send the data to the monitoring terminal; the monitoring terminal judges whether the received data is abnormal according to preset parameters, and if abnormal data is found, it sends a warning message to the technicians.

[0058] Specifically, the detection system of this application embodiment can collect key parameters of motor speed, temperature, and torque through an encoder, a first temperature sensor, a second temperature sensor, a third temperature sensor, and a torque sensor, and send them to a data acquisition unit. The data acquisition unit automatically collects and transmits the monitoring data to a monitoring terminal to achieve remote monitoring. The data collected by the monitoring terminal can be further used for data analysis to identify motor operating modes, evaluate energy efficiency, and provide a scientific basis for equipment optimization and fault diagnosis. Through in-depth mining of historical data, equipment operating patterns can be discovered, potential future problems can be predicted, and predictive maintenance can be achieved. The system of this application embodiment enhances the comprehensive understanding of motor health status, can detect potential risks in the early stages, avoid safety accidents caused by motor failures, and ensure production safety and product quality.

[0059] Of course, the detection system of this application embodiment can also be provided to users after delivery. Users can monitor the micro motor using corresponding software on the host computer. During use, frequent on-site manual inspections are not required, which greatly improves maintenance efficiency, reduces labor costs, monitors the motor's working status in real time, immediately triggers the early warning mechanism, notifies personnel in a timely manner, effectively prevents failures, and reduces unplanned downtime.

[0060] In this embodiment, when the data acquisition unit 500 acquires the encoder's speed data, it saves and records the speed data and its time points, and generates a speed-time waveform graph. This waveform graph is then sent to the monitoring terminal. The monitoring terminal compares the received speed-time waveform graph with a preset speed-time waveform graph. If the waveform graph matches the curve, the operation is considered normal; otherwise, it is considered abnormal, and a warning message is sent to the technicians. Specifically, by monitoring the waveform graph over a long period, the performance of the motor can be monitored in a timely manner, and the monitoring status can be evaluated.

[0061] Furthermore, when the detected waveform matches the change curve, the error values ​​of each peak and / or trough in the waveform of the speed change over time are compared with each peak and / or trough in the preset speed-time waveform. If the error value is greater than 2 rps more than 5 times within 60 seconds, it is determined to be an abnormal operation, and an early warning message is sent to the technicians.

[0062] Example 2

[0063] In Embodiment 2 of this application, the monitoring terminal is set with a preset safe temperature threshold. The preset safe temperature threshold includes a first temperature threshold, a second temperature threshold, and a third temperature threshold. When the data acquisition unit collects data from the first temperature sensor, the second temperature sensor, and the third temperature sensor, it saves and records the collected temperature data and sends it to the monitoring terminal. When the real-time temperature values ​​of the first temperature sensor, the second temperature sensor, and the third temperature sensor received by the monitoring terminal simultaneously exceed the first temperature threshold, the second temperature threshold, and the third temperature threshold, respectively, it is determined to be an abnormal operation, and an early warning message is sent to the technicians.

[0064] If only one or two of the real-time temperature values ​​from the first, second, and third temperature sensors exceed the preset safe temperature threshold, data reception continues. If the number of times one or two of the real-time temperature values ​​from the first, second, and third temperature sensors exceed the preset safe temperature threshold exceeds five times within five minutes, it is determined to be an operational malfunction, and a warning message is sent to the technical personnel.

[0065] Example 3

[0066] In Embodiment 3 of this application, the monitoring terminal is set with a preset torque threshold. When the data acquisition unit collects data from the torque sensor, it saves and records the collected torque data and sends it to the monitoring terminal. When the number of times the torque data received by the monitoring terminal exceeds the preset torque threshold exceeds 3 consecutive times, it is determined to be an abnormal operation and a warning message is sent to the technician.

[0067] Example 4

[0068] In Embodiment 4 of this application, the micro motor fault sensing system further includes an infrared thermal imaging detection unit, which includes a first infrared thermal imager, a second infrared thermal imager, and a third infrared thermal imager. The first infrared thermal imager, the second infrared thermal imager, and the third infrared thermal imager are respectively connected to the data acquisition unit.

[0069] The imaging end of the first infrared thermal imager is aligned with the output shaft of the motor;

[0070] The imaging end of the second infrared thermal imager is aligned with the bearing of the motor output shaft;

[0071] The camera of the third infrared thermal imager is aimed at the outer surface of the motor.

[0072] The data acquisition unit sends the thermal images acquired from the first infrared thermal imager, the second infrared thermal imager, and the third infrared thermal imager to the monitoring terminal respectively.

[0073] Specifically, with the above settings, the monitoring terminal can monitor and inspect the temperature distribution of the motor's output shaft, bearings, and outer surface at any time. Even if a local overheating area is found, corresponding cooling measures can be taken to prevent the occurrence of faults, thus playing a role in predictive maintenance.

[0074] In Embodiment 4 of this application, the first infrared thermal imager, the second infrared thermal imager, and the third infrared thermal imager are all provided with mounting brackets 109, such as... Figure 5As shown, the mounting bracket 109 includes a universal damping ball joint bracket 101, a telescopic rod 102, and a mounting base 103. One end of the telescopic rod 102 is rotatably connected to the universal damping ball joint bracket 101. The telescopic rod 102 and the universal damping ball joint bracket 101 can be locked in place by screws, or the position can be maintained by a damping structure using existing technology (details omitted here). The other end of the telescopic rod 102 is rotatably connected to the mounting base 103. The telescopic rod 102 and the mounting base 103 can be locked in place by screws, or the position can be maintained by a damping structure using existing technology (details omitted here). The mounting base 103 is provided with multiple mounting holes 104. The universal damping ball joint bracket 101 is movably connected to the first infrared thermal imager, the second infrared thermal imager, and the third infrared thermal imager. Specifically, under the above configuration, the mounting base 103 is connected to the external frame and equipment platform through the mounting holes 104 and external bolts, which facilitates the installation of the first infrared thermal imager, the second infrared thermal imager, and the third infrared thermal imager in different positions. At the same time, with the action of the universal damping ball joint bracket 101 and in conjunction with the telescopic rod 102, the positions of the first infrared thermal imager, the second infrared thermal imager, and the third infrared thermal imager can be adjusted at any time, which facilitates the adjustment of the minimum focal length and the optimal detection distance of the first infrared thermal imager, the second infrared thermal imager, and the third infrared thermal imager to obtain clear and accurate images.

[0075] In Embodiment 4 of this application, the telescopic rod 102 includes an outer sleeve 105 and an inner sleeve 106. The outer sleeve 105 is slidably sleeved on the inner sleeve 106. The outer sleeve 105 has a plurality of positioning holes 108 arranged at equal intervals along its length. The inner sleeve 106 has at least two positioning grooves along its length. Positioning components are arranged in the positioning grooves. The positioning components include a spring and a positioning ball 107. One end of the spring is connected to the positioning groove, and the other end of the spring is connected to the positioning ball 107. The upper end of the positioning ball 107 protrudes from the positioning groove, and the positioning ball 107 is correspondingly arranged with the positioning hole 108. Specifically, with the above arrangement, at least two sets of positioning components are provided to ensure the positioning stability and reliability between the outer sleeve 105 and the inner sleeve 106. Even if one set of positioning components fails, the other set of positioning components still plays a limiting role.

[0076] Example 5

[0077] This application's fifth embodiment describes a micro motor produced by the production system of embodiment one. It includes a housing 1, a protective cover 2, a stator frame 3, a rotor 4, a shaft 5, a front cover 6, and a rear cover 7. The stator frame 3 is hollow, and coils 8 are wound around its outer periphery. The stator frame 3 is installed inside the housing 1. The protective cover 2 is installed at the front opening of the housing 1, and an outer central shaft hole 9 is formed at the center of the protective cover 2. A front central shaft hole 10 is formed at the center of the front cover 6, and a front shaft sleeve 11 is installed inside the front central shaft hole 10. A rear central shaft hole 12 is formed at the center of the rear cover 7, and a rear shaft sleeve 13 is installed inside the rear central shaft hole 12. The shaft 5 is integrally formed with the rotor 4. The rear cover 7 is located near the rear end of the stator frame 3. The stator frame 3 has rear positioning pins 14 on both sides of its face and rear positioning holes 15 on both sides of its inner wall at the rear end. The rear positioning pins 14 are inserted into the rear positioning holes 15. The rear end cover 7 is used to cover the rear end opening of the stator frame 3. The rotor 4 is movably installed in the stator frame 3. The rear end of the rotating shaft 5 slides through the rear shaft sleeve 13. The front end cover 6 has front positioning pins 16 on both sides of its end face near the front end of the stator frame 3. The front positioning holes 17 are provided on both sides of the inner wall at the front end of the stator frame 3. The front positioning pins 16 are inserted into the front positioning holes 17. The front end cover 6 is used to cover the front end opening of the stator frame 3. The front end of the rotating shaft 5 slides through the front shaft sleeve 11 and the outer central shaft hole 9. Specifically, during assembly of the micro motors produced by this production system, the rear end cover 7 is inserted into the rear positioning hole 15 via the rear positioning pin 14, covering the rear end opening of the stator frame 3, thus assembling the rear end cover 7. Then, the rotor 4 is assembled into the stator frame 3, with the rear end of the rotating shaft 5 slidingly passing through the rear shaft sleeve 13. Next, the front end cover 6 is assembled to the front end opening of the stator frame 3, with the front end of the rotating shaft 5 slidingly passing through the front shaft sleeve 11. The front end cover 6 is used to cover the front end opening of the stator frame 3. Finally, the stator frame 3 is assembled into the outer casing 1. Then, the protective cover 2 is assembled onto the front opening of the outer shell 1; the front end of the rotating shaft 5 slides through the outer central shaft; in this embodiment, there is no need to perform screw tightening operations, the assembly process is quick and convenient, the screw components are omitted, the assembly process is simplified, the structure is simple, which is conducive to improving production efficiency, simplifying production processes, increasing production capacity, and reducing labor costs; furthermore, the micro motor of this application does not have screw components, which avoids abnormal noise caused by loose screws, and also avoids problems in the operation of the micro motor caused by loose screws, which is conducive to improving the service life of the micro motor.

[0078] In this embodiment, abutment blocks 18 extend from both sides of the stator frame 3, and the outer shell 1 has a cavity 19. Support platforms 20 are provided on both sides of the inner wall of the cavity 19. The abutment blocks 18 are located above the support platforms 20, and at least one stator positioning post 21 is provided at the lower end of the abutment blocks 18. At least one stator positioning hole 22 is provided on the support platform 20, and the stator positioning post 21 and the stator positioning hole 22 are arranged in a one-to-one correspondence. When assembling the stator frame 3 with coils 8 from the front opening of the outer shell 1 into the cavity 19 of the outer shell 1, the stator positioning post 21 is inserted into the stator positioning hole 22. The upper end face of the support platform 20 and the lower end face of the abutment block 18 are horizontally abutted. Specifically, with the above arrangement, the abutment block 18 abuts against the upper end face of the support platform 20, and the stator positioning post 21 is inserted into the stator positioning hole 22, achieving precise installation of the stator frame 3.

[0079] In this embodiment, end cap supports 23 are respectively provided on both sides of the inner wall of the stator frame 3. A rear end mounting groove is formed between the rear end of the end cap support 23 and the inner wall of the stator frame 3. A rear positioning hole 15 is provided at the rear end of the end cap support 23, and the rear end cover 7 is installed in the rear end mounting groove. A front end mounting groove 24 is formed between the front end of the end cap support 23 and the inner wall of the stator frame 3. A front positioning hole 17 is provided at the front end of the end cap support 23, and the front end cover 6 is installed in the front end mounting groove 24. Specifically, with the above configuration, the rear end cover 7 and the front end cover 6 can be precisely assembled and stored, and the protrusion of the rear end cover 7 and the front end cover 6 can be avoided.

[0080] In this embodiment, support blocks 25 are respectively provided on the other two sides of the inner wall of the cavity 19, and cover insertion holes 26 are provided on the support blocks 25. Cover positioning posts 27 are respectively provided on the lower two sides of the protective cover 2. When the protective cover 2 is assembled to the front opening of the outer shell 1, the cover positioning posts 27 are inserted into the cover insertion holes 26 until the protective cover 2 closes the front opening of the outer shell 1. A cover receiving groove 29 is formed between the front end of the support block 25 and the inner wall of the cavity 19, and the protective cover 2 is received in the cover receiving groove 29. Specifically, with the above arrangement, it is convenient for the protective cover 2 to be assembled in the cover receiving groove 29, and the protective cover 2 is prevented from protruding to the front opening of the outer shell 1. Furthermore, the cover positioning posts 27 are inserted into the cover insertion holes 26 to achieve precise assembly of the protective cover 2.

[0081] In this embodiment, during assembly, when the rear end cover 7 is assembled into the rear end opening of the stator frame 3 with coil 8, the heated and melted rear positioning pins 14 are inserted into the rear positioning holes 15 on both sides of the inner wall of the stator frame 3. During assembly, the heated and melted rear positioning pins 14 are inserted into the rear positioning holes 15. After cooling, the heated and melted rear positioning pins 14 are fused into the rear positioning holes 15, ensuring a stable connection between the rear end cover 7 and the stator frame 3, preventing loosening. When the front end cover 6 is assembled into the front end opening of the stator frame 3, the front positioning pins 16 on both sides of one end face of the front end cover 6 are heated and melted to a preset temperature. Then, the melted front positioning pins 16 are inserted into the front positioning holes 17 on both sides of the inner wall of the stator frame 3. During assembly, the heated and melted front positioning pins 16 are inserted into the front positioning holes 17. In step 17, after cooling, the heated and fused front positioning pin 16 is fused into the front positioning hole 17, and the front cover 6 is stably connected to the stator frame 3 and is not easy to loosen. When the stator frame 3 is installed in the outer shell 1, it is first positioned by the abutting block 18 and the support platform 20. During this process, the stator positioning pin 21 is heated and then inserted into the stator positioning hole 22. After cooling, the stator positioning pin 21 is fused into the stator positioning hole 22. The structure is very stable, so that the stator frame 3 can be stably installed in the outer shell 1 and is not easy to loosen. When the protective cover 2 is assembled to the front opening of the outer shell 1, the protective cover positioning pin 27 of the protective cover 2 is heated and then inserted into the protective cover hole 26. After cooling, the protective cover positioning pin 27 is fused into the protective cover hole 26. The structure is very stable, so that the protective cover 2 can be stably installed on the outer shell 1 and is not easy to loosen.

[0082] In this embodiment, the upper surface of the support platform 20 and the lower surface of the abutment block 18 are horizontally abutted together. Specifically, with the above arrangement, the contact between the support platform 20 and the abutment block 18 is flat, providing better support and making the positioning of the stator frame 3 more stable and accurate.

[0083] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present invention. Any simple modifications, equivalent changes, and modifications made to the above embodiments based on the present invention without departing from the scope of the present invention are within the scope of the present invention.

Claims

1. A micro motor production system, characterized in that: The automation assembly module, the intelligent detection module, the cooling system and a plurality of transfer robots are included. The automation assembly module includes a first assembly station for assembling a rear shaft sleeve to a rear end cover, a second assembly station for assembling the rear end cover to a rear end of a stator framework, a third assembly station for assembling a rotor inside the stator framework, a fourth assembly station for assembling a front shaft sleeve to a front end cover, a fifth assembly station for assembling the front end cover to a front end of the stator framework, a sixth assembly station for assembling the stator framework inside a housing, and a seventh assembly station for assembling a protective cover to a front end opening of the housing. The automation assembly module further includes a plurality of feeding devices for feeding the rear shaft sleeve, the rear end cover, the stator framework, the rotor, the front shaft sleeve, the front end cover, the housing and the protective cover. The intelligent detection module is used for fault detection of the assembled micro motor. The cooling system is used for cooling the micro motor during assembly. In the assembly process, the rear shaft sleeve and the rear end cover are first fed, and the rear shaft sleeve is assembled in the rear middle shaft hole of the rear end cover. The rear positioning pins on both sides of one end surface of the rear end cover are heated and fused to a preset temperature. The stator framework is fed, and the rear end cover is assembled to the rear end opening of the stator framework with a coil. The heated and fused rear positioning pins are inserted into the rear positioning holes on the inner wall of the stator framework. Then the rotating shaft integrated with the rotor is fed, and the rear end of the rotating shaft integrated with the rotor is inserted into the rear shaft sleeve from the inside front end of the stator framework to the rear end cover. The rotating shaft is movably arranged in the rear shaft sleeve to position the rear end of the rotating shaft. Then the front shaft sleeve and the front end cover are fed, and the front shaft sleeve is assembled in the front middle shaft hole of the front end cover. The front shaft sleeve of the front end cover is aligned with the front end of the rotating shaft, and the front end cover is moved to make the front end of the rotating shaft pass through the front shaft sleeve of the front end cover to pre-position the front end cover. The front positioning pins on both sides of one end surface of the front end cover are heated and fused to a preset temperature. The front end cover is assembled to the front end opening of the stator framework, and then the heated and fused front positioning pins are inserted into the front positioning holes on the inner wall of the stator framework. Then the housing is fed, and the stator framework with a coil is assembled into the housing from the front end opening of the housing. The protective cover is fed, and the protective cover is assembled to the front end opening of the housing to close the front end opening of the housing. The protective cover is provided with an outer middle shaft hole for the front end of the rotating shaft to pass through. The outer wall of the stator frame is provided with abutting blocks on both sides, the shell is provided with a containing cavity, the inner wall of the containing cavity is provided with supporting tables on both sides, the abutting blocks are above the supporting tables, the lower end of the abutting block is provided with at least one stator positioning column, the supporting table is provided with at least one stator positioning hole, and the stator positioning column and the stator positioning hole are arranged one by one. The inner wall of the containing cavity is provided with supporting blocks on the other two sides, the supporting blocks are provided with cover insertion holes, and the lower end of the protective cover is provided with protective cover positioning columns on both sides.

2. The production system of a micro motor according to claim 1, wherein: The first assembly station and the second assembly station are further provided with a first hot melting station, and the first hot melting station is used for heating and melting the rear positioning insertion columns on both sides of one end surface of the rear end cover to a preset temperature. The cooling system comprises a first cooling station, and the first cooling station is provided with a first fan.

3. The production system of a micro motor according to claim 1, wherein: The fourth assembly station and the fifth assembly station are provided with a second hot melting station, and the second hot melting station is used for heating and melting the front positioning insertion columns on both sides of one end surface of the front end cover to a preset temperature. The cooling system comprises a second cooling station, and the second cooling station is provided with a second fan.

4. The production system of a micro motor according to claim 1, wherein: The fifth assembly station and the sixth assembly station are provided with a third hot melting station, and the third hot melting station is used for heating and melting the stator positioning columns on both sides of the outer wall of the stator frame to a preset hot melting temperature. The cooling system comprises a third cooling station, and the third cooling station is provided with a third fan.

5. The production system of a micro motor according to claim 1, wherein: The sixth assembly station and the seventh assembly station are provided with a fourth hot melting station, and the fourth hot melting station is used for heating and melting the protective cover positioning columns on both sides of the lower end of the protective cover to a preset hot melting temperature. The cooling system comprises a fourth cooling station, and the fourth cooling station is provided with a fourth fan.

6. The production system of a micro motor according to claim 1, wherein: The intelligent detection module comprises a detection system, the detection system comprises an encoder, a first temperature sensor, a second temperature sensor, a third temperature sensor, a torque sensor, a data acquisition unit and a monitoring terminal, the encoder, the first temperature sensor, the second temperature sensor, the third temperature sensor and the torque sensor are signal connected with the data acquisition unit respectively; the data acquisition unit is signal connected with the monitoring terminal; The encoder is installed on the output shaft of the motor; the first temperature sensor is installed at the stator winding of the motor, the second temperature sensor is installed on the inner wall of the shell of the motor, and the third temperature sensor is installed at the bearing of the motor; the torque sensor is installed at the output shaft of the motor; The data acquisition unit is used for collecting the data detected by the encoder, the first temperature sensor, the second temperature sensor, the third temperature sensor and the torque sensor, and sending the data to the monitoring terminal; the monitoring terminal judges whether the received data is abnormal according to the preset parameters, and sends the warning information to the technical personnel if there is abnormal data.

7. The production system of a micro motor according to claim 6, wherein: When the data acquisition unit collects the rotating speed data of the encoder, the rotating speed data and the time point are saved and recorded, and the rotating speed-time waveform graph is formed, and the rotating speed-time waveform graph is sent to the monitoring terminal; The monitoring terminal compares the received rotating speed-time waveform graph with the preset rotating speed-time waveform graph, if the waveform graph conforms to the change curve, it is determined that the work is normal, if the waveform graph does not conform to the change curve, it is determined that the work is abnormal, and the warning information is sent to the technical personnel.

8. The production system of a micro motor according to claim 7, wherein: When the detected waveform graph conforms to the change curve, the error value of each wave peak and / or wave trough in the rotating speed-time waveform graph and the error value of each wave peak and / or wave trough in the preset rotating speed-time waveform graph are detected, if the error value greater than 2rps appears more than 5 times within 60 seconds, it is determined that the work is abnormal, and the warning information is sent to the technical personnel.

9. The production system of a micro motor according to claim 6, wherein: The monitoring terminal is provided with a preset safety temperature threshold; the preset safety temperature threshold comprises a first temperature threshold, a second temperature threshold and a third temperature threshold, the data acquisition unit saves and records the collected temperature data when collecting the data of the first temperature sensor, the second temperature sensor and the third temperature sensor, and sends to the monitoring terminal, when the real-time temperature value of the first temperature sensor, the real-time temperature value of the second temperature sensor and the real-time temperature value of the third temperature sensor received by the monitoring terminal respectively exceed the first temperature threshold, the second temperature threshold and the third temperature threshold at the same time, it is determined that the work is abnormal, and the warning information is sent to the technical personnel; When only one or two of the real-time temperature values of the first temperature sensor, the real-time temperature values of the second temperature sensor and the real-time temperature values of the third temperature sensor exceed the preset safety temperature threshold, then continue to receive data, if the number of times that one or two of the real-time temperature values of the first temperature sensor, the real-time temperature values of the second temperature sensor and the real-time temperature values of the third temperature sensor exceed the preset safety temperature threshold continues to appear within 5 minutes exceeds 5 times, it is determined that the working is abnormal, and a warning information is sent to the technical personnel.

10. The production system of a micro motor according to claim 7, wherein: The detection system further comprises an infrared thermal image detection unit, the infrared thermal image detection unit comprises a first infrared thermal imager, a second infrared thermal imager and a third infrared thermal imager, and the first infrared thermal imager, the second infrared thermal imager and the third infrared thermal imager are respectively connected with the data acquisition unit in signal connection; The shooting end of the first infrared thermal imager is aligned with the output shaft of the motor; The shooting end of the second infrared thermal imager is aligned with the bearing of the output shaft of the motor; The shooting end of the third infrared thermal imager is aligned with the outer surface of the motor; The thermal imaging images collected by the first infrared thermal imager, the second infrared thermal imager and the third infrared thermal imager are respectively sent to the monitoring terminal by the data acquisition unit.

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