Double-electric-screwdriver independent screw driving device

Abstract

The utility model relates to the technical field of screw equipment, in particular to a double-electric-screwdriver independent screw driving device. Comprising a machine table used for supporting and positioning a to-be-assembled screw; the two servo electric screwdrivers are used for independently conducting screw tightening operation respectively and are arranged on the two sides of the machine table respectively; the laser altimeter is mounted on the servo electric screwdriver and used for monitoring the surface height of the screw in real time; the two feeding mechanisms are installed on the machine table and correspond to the two servo electric screwdrivers respectively. Two rotating mechanisms; a discharging mechanism; and the control mechanism is used for being connected with the servo electric screwdriver, the feeding mechanism, the rotating mechanism and the discharging mechanism. According to the double-electric-screwdriver independent screw driving device, independent operation of the double electric screwdrivers is achieved, meanwhile, an efficient height measuring mechanism is integrated, the working height of the electric screwdrivers can be accurately adjusted, the thread floating phenomenon is effectively prevented, the assembling efficiency is improved, and meanwhile the space of a production line is saved.

Description

Technical Field

[0001] This utility model relates to the field of screw equipment technology, specifically to a dual electric screwdriver independent screw-driving device. Background Technology

[0002] In existing automated screw assembly lines, electric screwdrivers are crucial assembly tools for improving production efficiency. However, traditional systems mostly rely on a single electric screwdriver, which not only limits assembly speed but also struggles to handle complex and varied assembly requirements, especially when multiple assembly points or workpieces of varying heights need to be processed simultaneously. The frequent movement of a single electric screwdriver reduces assembly accuracy and increases production costs. Furthermore, the lack of an effective height measurement mechanism leads to frequent thread height discrepancies, requiring manual inspection and adjustment, further reducing production efficiency.

[0003] For example, in patent CN218695858U, entitled "An Online Blow-Suction Screw Fastening Machine," the machine is equipped with a first X-axis drive module, a feeding conveyor mechanism, a double-acting linear motor, two blow-suction screw fastening devices, two Y-axis drive modules, two conveying processing mechanisms, a second X-axis drive module, and a discharging conveyor mechanism. The first X-axis drive module drives the feeding conveyor mechanism to supply material to the two conveying processing mechanisms. The double-acting linear motor drives the two blow-suction screw fastening devices to fasten screws onto the material on the two conveying processing mechanisms. The second X-axis drive module drives the discharging conveyor mechanism to collect material from the two conveying processing mechanisms and output it to the next process. The drawback is that although it achieves the function of dual-station screw fastening, it lacks an effective height measurement mechanism, and therefore cannot effectively avoid the problem of thread float. Utility Model Content

[0004] To address the shortcomings of existing screw-driving mechanisms, such as thread float, low efficiency, and large space occupation, the present invention aims to provide a dual electric screwdriver independent screw-driving device. This device enables independent operation of the two electric screwdrivers and integrates an efficient height measurement mechanism to accurately adjust the working height of the electric screwdrivers, effectively preventing thread float. This improves assembly efficiency while saving production line space.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a dual electric screwdriver independent screw-driving device, comprising:

[0006] A machine tool used to support and position the screws to be assembled;

[0007] Two servo electric screwdrivers are used to tighten screws independently, and the two servo electric screwdrivers are respectively set on both sides of the machine; a laser height gauge is installed on the servo electric screwdrivers to monitor the screw surface height in real time.

[0008] Two feeding mechanisms are installed on the machine base and are respectively set to correspond to two servo electric screwdrivers, which are used to automatically supply screws to the corresponding servo electric screwdrivers;

[0009] Two rotating mechanisms are mounted on the machine base and respectively set to correspond to two servo electric screwdrivers, used to adjust the direction and angle of screw tightening;

[0010] The unloading mechanism, installed on the machine base, is used to unload screws after the servo electric screwdriver has finished its operation;

[0011] The control mechanism is used to connect with the servo electric screwdriver, feeding mechanism, rotating mechanism, and unloading mechanism.

[0012] This technical solution employs two independent servo electric screwdrivers, positioned on opposite sides of the machine tool, enabling simultaneous screw tightening operations. This significantly improves assembly efficiency, especially when handling multiple assembly points or a large number of screw tightening tasks simultaneously, demonstrating a marked efficiency improvement compared to traditional single-screw operation methods. The device integrates a laser height gauge on the servo electric screwdrivers, allowing real-time monitoring of the screw surface height. This height measurement mechanism is not only highly accurate but also responsive, adjusting the working height of the electric screwdriver in real-time during tightening to ensure the screw height meets standards and effectively prevents thread overshoot. Through the close cooperation between the laser height gauge and the servo electric screwdrivers, the device automatically and precisely adjusts the working height of the electric screwdrivers based on real-time height measurements, improving assembly accuracy and ensuring consistent and reliable screw tightening. Due to the integrated high-efficiency height measurement mechanism and the ability to precisely adjust the working height of the electric screwdrivers, the device can promptly detect and correct thread overshoot during tightening, thus avoiding assembly quality problems caused by thread overshoot and improving the overall quality and reliability of the product. The combination of independent operation of the dual electric screwdrivers and an efficient height measurement mechanism enables the device to complete a large number of screw tightening tasks in a short time, significantly improving assembly efficiency. Its compact structural design, through a dual-platform layout and modular components, effectively saves production line space.

[0013] This utility model is further configured such that the laser height measuring device includes:

[0014] Laser emitting unit, used to emit a laser beam onto the screw surface;

[0015] A laser receiving unit is used to receive laser signals reflected back from the surface of the screw;

[0016] The signal processing unit, connected to the laser emitting unit and the laser receiving unit, is used to process the received laser signal, calculate the distance between the screw surface and the laser height measuring device, and transmit the distance data to the control mechanism.

[0017] In this technical solution, the laser height gauge emits a laser beam onto the screw surface via a laser emitting unit and receives the reflected laser signal using a laser receiving unit. This non-contact measurement method avoids errors caused by mechanical contact, ensuring high measurement accuracy. By accurately calculating the round-trip time or phase difference of the laser signal, the signal processing unit can determine the precise distance between the screw surface and the laser height gauge. The signal processing unit of the laser height gauge can process the received laser signal in real time and calculate the distance data. This data is then rapidly transmitted to the control mechanism, providing it with real-time screw surface height information. This real-time feedback mechanism allows the control mechanism to adjust the working height of the servo electric screwdriver in a timely manner based on the current height data, ensuring the accuracy of the tightening operation. The integration of the laser height gauge enables the device to maintain precise control over the screw surface height throughout the tightening process, thereby improving assembly quality and efficiency. By avoiding thread overhang, the device ensures that each screw is tightened to the correct height, reducing rework and scrap rates caused by poor assembly, and thus improving the overall efficiency of the production line.

[0018] This invention further includes an adjustment mechanism connected to the servo electric screwdriver and control mechanism. This adjustment mechanism automatically adjusts the working height of the servo electric screwdriver based on distance data. The adjustment mechanism receives commands from the control mechanism based on the distance data between the screw surface and the laser height gauge measured by the laser. Through precise calculation and analysis, the adjustment mechanism drives the servo electric screwdriver to make minute height adjustments, ensuring appropriate pressure during screw tightening and preventing thread damage or excessive height. If the screw surface height changes during tightening, the laser height gauge quickly detects this change and transmits the new distance data to the control mechanism. The control mechanism then sends an adjustment command to the adjustment mechanism, which immediately responds and adjusts the working height of the servo electric screwdriver accordingly, ensuring continuous accuracy during tightening. Through the automatic adjustment function of the adjustment mechanism, the dual-platform, dual-electric-screwdriver independent screw-driving device can maintain consistent tightening results under different workpiece and assembly conditions. This helps reduce assembly quality fluctuations caused by differences in manual operation, improving the overall consistency and reliability of the product.

[0019] This utility model is further configured such that the servo electric screwdriver includes:

[0020] Servo motors are used to provide rotational torque;

[0021] The speed reducer is connected between the servo motor and the electric screwdriver bit to reduce the output speed of the servo motor;

[0022] Electric screwdriver bits are used to hold screws and tighten them.

[0023] A position feedback device, connected to a servo motor, is used to monitor the position and speed of the electric screwdriver bit in real time.

[0024] In this technical solution, the servo motor, with its high precision and high response speed, provides a stable rotational torque for the electric screwdriver bit. By precisely controlling the output of the servo motor, the electric screwdriver bit can achieve fine tightening actions, ensuring that each screw is tightened to the preset torque value, thereby improving assembly accuracy and consistency. The reducer, located between the servo motor and the electric screwdriver bit, plays a crucial role in speed reduction and torque amplification. It effectively reduces the high-speed output of the servo motor while increasing the output torque, allowing the electric screwdriver bit to apply sufficient force when tightening screws without damaging the screws or workpiece. This smooth power transmission method extends the service life of both the servo motor and the electric screwdriver bit. The position feedback device is closely connected to the servo motor, monitoring the position and speed of the electric screwdriver bit in real time, enabling the control system to understand the working status of the electric screwdriver bit at any time and make dynamic adjustments as needed.

[0025] This invention further includes a temperature sensor in the servo electric screwdriver for monitoring the operating speed of the servo motor. By monitoring the servo motor's operating speed, the temperature sensor can promptly detect the risk of motor overheating. Once the motor temperature exceeds a preset safety threshold, the temperature sensor will trigger an alarm mechanism and may automatically adjust the motor's operating parameters or pause operation to prevent damage from overheating and extend the motor's lifespan. The data provided by the temperature sensor helps the control system more accurately understand the servo motor's operating status. Based on this data, the control system can dynamically adjust the motor's operating parameters, such as speed and torque, to ensure the motor operates in optimal condition, thereby improving the tightening efficiency and accuracy of the entire device.

[0026] This invention is further configured such that the feeding mechanism includes a vibratory feeder for neatly arranging screws and a suction unit for picking up the screws from the vibratory feeder. The feeding mechanism uses a vibratory feeder to neatly arrange the screws; the vibratory feeder uses high-frequency vibration to arrange the scattered screws into an orderly row, greatly improving feeding efficiency. Simultaneously, the suction unit can quickly and accurately pick up the arranged screws from the vibratory feeder, ensuring that each electric screwdriver receives the required screws in a timely manner, reducing waiting time and improving overall work efficiency.

[0027] This invention is further configured such that a mechanical gripper is provided at the lower end of the feeding mechanism. The mechanical gripper can accurately and quickly grasp screws or workpieces that have been tightened, achieving efficient feeding. Compared with traditional manual feeding or simple pushing methods, the mechanical gripper can significantly increase feeding speed, reduce waiting time, and improve the overall operating efficiency of the production line.

[0028] This invention is further configured such that the rotating mechanism includes a rotary motor, a reducer, and a transmission. The rotary motor, as a power source, can drive the entire rotating mechanism to rotate 360 ​​degrees or a specified angle. By precisely controlling the direction and speed of the rotary motor, the direction and angle of screw tightening can be flexibly adjusted to meet the changing needs of different workpieces and assembly. The reducer, connected between the rotary motor and the transmission, reduces the speed and increases the torque. This helps reduce vibration and impact during rotation, achieving a smooth transmission effect. Simultaneously, the reducer protects the rotary motor from excessive loads, extending its service life.

[0029] This invention further comprises the following: the control mechanism includes a PLC controller, a power switch, and an operation panel. The PLC controller, as the core of the control mechanism, receives signals from various sensors and actuators, and processes and controls them in real time according to preset program logic. This achieves precise coordination and control of components such as the servo electric screwdriver, feeding mechanism, rotating mechanism, and unloading mechanism, ensuring the efficient and stable operation of the entire device. The operation panel provides users with an intuitive interface, including function buttons for start, stop, and reset, as well as a display screen showing the device status and parameters. Operators can achieve comprehensive control of the device through simple operations, without needing in-depth understanding of complex mechanical structures and electrical principles, thus reducing operational difficulty and training costs.

[0030] The advantages of this utility model are: (1) It realizes the independent operation of dual electric screwdrivers and integrates an efficient height measurement mechanism, which can accurately adjust the working height of the electric screwdriver, effectively prevent the occurrence of thread floating, and save production line space while improving assembly efficiency; (2) Through the close cooperation between the laser height measuring device and the servo electric screwdriver, the device can automatically and accurately adjust the working height of the electric screwdriver according to the real-time measured height data, which not only improves the assembly accuracy, but also ensures the consistency and reliability of screw tightening; (3) By integrating an efficient height measurement mechanism and the ability to accurately adjust the working height of the electric screwdriver, the device can detect and correct the thread floating phenomenon in time during the tightening process, thereby avoiding assembly quality problems caused by thread floating and improving the overall quality and reliability of the product. Attached Figure Description

[0031] Figure 1 This is a schematic diagram of the structure of this utility model;

[0032] Figure 2 This is an isometric view of the present invention.

[0033] In the diagram: 1. Machine base; 2. Servo electric screwdriver; 3. Laser height measuring device; 4. Feeding mechanism; 41. Vibratory feeder; 42. Air suction unit; 5. Rotating mechanism; 6. Unloading mechanism; 71. Power switch; 72. Operation panel. Detailed Implementation

[0034] In the description of this embodiment, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," "front," and "rear," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0035] The present invention will be further described below with reference to the accompanying drawings.

[0036] Example 1:

[0037] Reference Figure 1 , Figure 2 A dual electric screwdriver independent screw-driving device, comprising:

[0038] Machine base 1, used to support and position the screws to be assembled;

[0039] Two servo electric screwdrivers 2 are used to perform screw tightening operations independently, and the two servo electric screwdrivers 2 are respectively set on both sides of the machine base 1;

[0040] Laser height measuring device 3 is installed on servo electric screwdriver 2 and is used to monitor the height of the screw surface in real time;

[0041] Two feeding mechanisms 4 are installed on the machine base 1 and are respectively set to correspond to two servo electric screwdrivers 2, which are used to automatically supply screws to the corresponding servo electric screwdrivers 2.

[0042] Two rotating mechanisms 5 are installed on the machine base 1 and are respectively set with two servo electric screwdrivers 2 to adjust the direction and angle of screw tightening;

[0043] The unloading mechanism 6 is installed on the machine base 1 and is used to unload the screws after the servo electric screwdriver 2 has finished its operation.

[0044] The control mechanism is used to connect with the servo electric screwdriver 2, the feeding mechanism 4, the rotating mechanism 5, and the unloading mechanism 6.

[0045] In this embodiment, two independent servo electric screwdrivers 2 are used, respectively located on both sides of the machine base 1, enabling simultaneous screw tightening operations. This significantly improves assembly efficiency, especially when multiple assembly points or a large number of screw tightening tasks need to be handled simultaneously. Compared to traditional single electric screwdriver operation, the efficiency improvement is substantial. The device integrates a laser height gauge 3 on the servo electric screwdriver 2, which can monitor the height of the screw surface in real time. This height measurement mechanism is not only highly accurate but also responds quickly, adjusting the working height of the electric screwdriver in real time during tightening to ensure that the screw height meets the standard after tightening, effectively preventing thread overshoot. Through the close cooperation between the laser height gauge 3 and the servo electric screwdriver 2, the device can automatically and accurately adjust the working height of the electric screwdriver based on real-time measured height data, improving assembly accuracy and ensuring the consistency and reliability of screw tightening. Due to the integrated high-efficiency height measurement mechanism and the ability to accurately adjust the working height of the electric screwdriver, the device can promptly detect and correct thread overshoot during tightening, thereby avoiding assembly quality problems caused by thread overshoot and improving the overall quality and reliability of the product. The combination of independent operation of the dual electric screwdrivers and an efficient height measurement mechanism enables the device to complete a large number of screw tightening tasks in a short time, significantly improving assembly efficiency. Its compact structural design, through a dual-platform layout and modular components, effectively saves production line space.

[0046] Understandably, for ease of demonstration, only one rotating mechanism 5 is shown in the figure as a representative.

[0047] refer to Figure 1 , Figure 2 The laser height measuring device 3 includes:

[0048] Laser emitting unit, used to emit a laser beam onto the screw surface;

[0049] A laser receiving unit is used to receive laser signals reflected back from the surface of the screw;

[0050] The signal processing unit, connected to the laser emitting unit and the laser receiving unit, is used to process the received laser signal, calculate the distance between the screw surface and the laser height measuring device 3, and transmit the distance data to the control mechanism.

[0051] The laser height gauge 3 emits a laser beam onto the screw surface via a laser emitting unit and receives the reflected laser signal using a laser receiving unit. This non-contact measurement method avoids errors caused by mechanical contact, ensuring high measurement accuracy. By accurately calculating the round-trip time or phase difference of the laser signal, the signal processing unit can determine the precise distance between the screw surface and the laser height gauge 3. The signal processing unit of the laser height gauge 3 processes the received laser signal in real time and calculates the distance data. This data is then rapidly transmitted to the control mechanism, providing it with real-time screw surface height information. This real-time feedback mechanism allows the control mechanism to adjust the working height of the servo electric screwdriver 2 in a timely manner based on the current height data, ensuring the accuracy of the tightening operation. The integration of the laser height gauge 3 enables the device to maintain precise control over the screw surface height throughout the tightening process, thereby improving assembly quality and efficiency. By avoiding thread overhang, the device ensures that each screw is tightened to the correct height, reducing rework and scrap rates caused by poor assembly, and thus improving the overall efficiency of the production line.

[0052] The screw-driving device also includes an adjustment mechanism connected to the servo electric screwdriver 2 and the control mechanism. This mechanism automatically adjusts the working height of the servo electric screwdriver 2 based on distance data. The adjustment mechanism receives commands from the control mechanism based on the distance data between the screw surface and the laser height gauge 3, measured by the laser height gauge 3. Through precise calculation and analysis, the adjustment mechanism drives the servo electric screwdriver 2 to make minute height adjustments, ensuring appropriate pressure during screw tightening and preventing thread damage or excessive height. If the screw surface height changes during tightening, the laser height gauge 3 quickly detects this change and transmits the new distance data to the control mechanism. The control mechanism then sends an adjustment command to the adjustment mechanism, which immediately responds and adjusts the working height of the servo electric screwdriver 2 accordingly, ensuring continuous accuracy during tightening. Through the automatic adjustment function of the adjustment mechanism, the dual-platform, dual-electric-screwdriver independent screw-driving device can maintain consistent tightening results under different workpiece and assembly conditions. This helps reduce assembly quality fluctuations caused by differences in manual operation, improving overall product consistency and reliability.

[0053] In one embodiment of this utility model, the servo electric screwdriver 2 includes:

[0054] Servo motors are used to provide rotational torque;

[0055] The speed reducer is connected between the servo motor and the electric screwdriver bit to reduce the output speed of the servo motor;

[0056] Electric screwdriver bits are used to hold screws and tighten them.

[0057] A position feedback unit, connected to the servo motor, monitors the position and speed of the electric screwdriver bit in real time. The servo motor, with its high precision and fast response, provides stable rotational torque to the screwdriver bit. By precisely controlling the servo motor's output, the screwdriver bit can perform fine tightening actions, ensuring that each screw is tightened to the preset torque value, thereby improving assembly accuracy and consistency. A reducer, located between the servo motor and the screwdriver bit, plays a crucial role in speed reduction and torque amplification. It effectively reduces the high-speed output of the servo motor while increasing the output torque, allowing the screwdriver bit to apply sufficient force when tightening screws without damaging the screws or workpiece. This smooth power transmission extends the service life of both the servo motor and the screwdriver bit. The position feedback unit, closely connected to the servo motor, monitors the position and speed of the screwdriver bit in real time, enabling the control system to understand the working status of the screwdriver bit at any time and make dynamic adjustments as needed.

[0058] In one embodiment of this invention, the servo electric screwdriver 2 further includes a temperature sensor for monitoring the operating speed of the servo motor. By monitoring the operating speed of the servo motor, the temperature sensor can promptly detect the risk of motor overheating. Once the motor temperature exceeds a preset safety threshold, the temperature sensor will trigger an alarm mechanism and may automatically adjust the motor's operating parameters or pause operation to prevent damage to the motor due to overheating and extend its service life. The data provided by the temperature sensor helps the control system more accurately understand the operating status of the servo motor. Based on this data, the control system can dynamically adjust the motor's operating parameters, such as speed and torque, to ensure that the motor operates in optimal condition, thereby improving the tightening efficiency and accuracy of the entire device.

[0059] In another embodiment of this utility model, the feeding mechanism 4 includes a vibratory feeder 41 for neatly arranging screws and a suction unit 42 for picking up screws from the vibratory feeder 41. The feeding mechanism 4 uses the vibratory feeder 41 to neatly arrange the screws. The vibratory feeder 41 arranges the scattered screws into a row in an orderly manner through high-frequency vibration, which greatly improves the feeding efficiency. At the same time, the suction unit 42 can quickly and accurately pick up the arranged screws from the vibratory feeder 41, ensuring that each electric screwdriver can obtain the required screws in a timely manner, reducing waiting time and improving overall work efficiency.

[0060] Preferably, the lower end of the unloading mechanism 6 is provided with a mechanical gripper. The mechanical gripper can accurately and quickly grasp screws or workpieces that have been tightened, achieving efficient unloading. Compared with traditional manual unloading or simple pushing methods, the mechanical gripper can significantly improve unloading speed, reduce waiting time, and improve the overall operating efficiency of the production line.

[0061] Understandably, the rotating mechanism 5 includes a rotary motor, a reducer, and a transmission. The rotary motor, as a power source, can drive the entire rotating mechanism 5 to rotate 360 ​​degrees or a specified angle. By precisely controlling the direction and speed of the rotary motor, the direction and angle of screw tightening can be flexibly adjusted to meet the changing needs of different workpieces and assembly. The reducer, connected between the rotary motor and the transmission, reduces the rotational speed and increases the torque. This helps reduce vibration and impact during rotation, achieving a smooth transmission effect. Simultaneously, the reducer protects the rotary motor from excessive loads, extending its service life.

[0062] In one embodiment of this utility model, the control mechanism includes a PLC controller, a power switch 71, and an operation panel 72. The PLC controller, as the core of the control mechanism, can receive signals from various sensors and actuators, and perform real-time processing and control according to preset program logic. This achieves precise coordination and control of components such as the servo electric screwdriver 2, the feeding mechanism 4, the rotating mechanism 5, and the unloading mechanism 6, ensuring the efficient and stable operation of the entire device. The operation panel 72 provides users with an intuitive operating interface, including function buttons for start, stop, and reset, as well as a display screen showing the device status and parameters. Operators can achieve comprehensive control of the device through simple operations, without needing in-depth understanding of complex mechanical structures and electrical principles, thus reducing operating difficulty and training costs.

[0063] The above description of the specific embodiments of this utility model is only used to further illustrate this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-essential improvements and adjustments made to this utility model by technical engineers based on the above description of the utility model shall fall within the scope of protection of this utility model.

Claims

1. A dual electric screwdriver independent screw-driving device, characterized in that it comprises: A machine tool used to support and position the screws to be assembled; Two servo electric screwdrivers are used to perform screw tightening operations independently, and the two servo electric screwdrivers are respectively set on both sides of the machine. A laser height gauge, mounted on a servo electric screwdriver, is used to monitor the height of the screw surface in real time. Two feeding mechanisms are installed on the machine base and are respectively set to correspond to two servo electric screwdrivers, which are used to automatically supply screws to the corresponding servo electric screwdrivers; Two rotating mechanisms are mounted on the machine base and respectively set to correspond to two servo electric screwdrivers, used to adjust the direction and angle of screw tightening; The unloading mechanism, installed on the machine base, is used to unload screws after the servo electric screwdriver has finished its operation; The control mechanism is used to connect with the servo electric screwdriver, feeding mechanism, rotating mechanism, and unloading mechanism.

2. The dual electric screwdriver independent screw-driving device according to claim 1, characterized in that, The laser height measuring device includes: a laser emitting unit for emitting a laser beam onto the screw surface; A laser receiving unit is used to receive laser signals reflected back from the surface of the screw; The signal processing unit, connected to the laser emitting unit and the laser receiving unit, is used to process the received laser signal, calculate the distance between the screw surface and the laser height measuring device, and transmit the distance data to the control mechanism.

3. The dual electric screwdriver independent screw-driving device according to claim 1, characterized in that, The screw-driving device also includes an adjustment mechanism, which is connected to the servo electric screwdriver and the control mechanism, and is used to automatically adjust the working height of the servo electric screwdriver according to distance data.

4. The dual electric screwdriver independent screw-driving device according to claim 1, characterized in that, The servo electric screwdriver includes: Servo motors are used to provide rotational torque; The speed reducer is connected between the servo motor and the electric screwdriver bit to reduce the output speed of the servo motor; Electric screwdriver bits are used to hold screws and tighten them. A position feedback device, connected to a servo motor, is used to monitor the position and speed of the electric screwdriver bit in real time.

5. The dual electric screwdriver independent screw-driving device according to claim 4, characterized in that, The servo electric screwdriver also includes a temperature sensor for monitoring the operating speed of the servo motor.

6. The dual electric screwdriver independent screw-driving device according to claim 1, characterized in that, The feeding mechanism includes a vibratory feeder for neatly arranging screws and an air suction unit for picking up screws from the vibratory feeder.

7. The dual electric screwdriver independent screw-driving device according to claim 1, characterized in that, The lower end of the feeding mechanism is equipped with a mechanical gripper.

8. The dual electric screwdriver independent screw-driving device according to claim 1, characterized in that, The rotating mechanism includes a rotary motor, a reducer, and a transmission.

9. The dual electric screwdriver independent screw-driving device according to claim 1, characterized in that, The control mechanism includes a PLC controller, a power switch, and an operation panel.

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