Gear hub production line data monitoring device for digital twinning

Abstract

The utility model discloses a gear hub production line data monitoring device for digital twinning, which is characterized by comprising a main control chip, and a lathe monitoring unit, a milling machine monitoring unit, a gear hobbing machine monitoring unit, a comparison instrument monitoring unit and a robot monitoring unit which are electrically connected with the main control chip, the first installation unit is used for installing the lathe monitoring unit, the second installation unit is used for installing the milling machine monitoring unit, the third installation unit is used for installing the gear hobbing machine monitoring unit, the fourth installation unit is used for installing the robot monitoring unit, and the fifth installation unit is used for installing the comparison instrument monitoring unit. The device is simple in structure and reasonable in design, data acquisition of physical entities of the gear hub production line is achieved through the lathe monitoring unit, the milling machine monitoring unit, the gear hobbing machine monitoring unit, the comparison instrument monitoring unit and the robot monitoring unit, input is provided for a digital twinborn model, guarantee is provided for construction of the accurate and reliable digital twinborn model, and the working efficiency of the digital twinborn model is improved. The use effect is good.

Description

Technical Field

[0001] The utility model belongs to the technical field of production line monitoring, and in particular relates to a gear hub production line data monitoring device for digital twins. Background Art

[0002] The rise and application of digital twin technology has improved the lag in ensuring product quality through post-inspection by enterprises. With a highly virtual simulation of the physical production line and its process, it can collect and integrate all-round process data in real time, overcoming the limitations of incomplete data and delayed response in traditional process quality control.

[0003] The reasons for digital twinning of the hub production line are mainly reflected in the following aspects:

[0004] 1. Real-time monitoring and optimization: Through digital twin technology, all aspects of the hub production line can be monitored in real time, including equipment status, production progress, material flow, etc., so as to promptly discover and solve potential problems, optimize the production process, and improve production efficiency.

[0005] 2. Fault prediction and prevention: By analyzing equipment operation data, the digital twin system can predict the occurrence of equipment failures, perform maintenance and care in advance, and reduce production interruptions and product quality problems caused by equipment failures.

[0006] 3. Data-driven decision-making: The digital twin system can collect and analyze a large amount of production data, provide comprehensive data support for corporate management, improve the level of automation and intelligence in production management, and help them make more scientific and reasonable decisions.

[0007] In the process of building a digital twin system, physical entities are the foundation of the digital twin system. Through real-time monitoring of the gear hub production line, various data in the production process, such as the equipment operating status, can be obtained instantly. Various data on the equipment operating status are used as simulation data for the virtual digital twin model of the gear hub production line workshop, providing real-time feedback for the virtual digital twin model.

[0008] With the continuous development of technologies such as industrial Internet, big data, and artificial intelligence, real-time monitoring will play a more important role in gear hub production lines. Utility Model Content

[0009] The technical problem to be solved by the utility model is to provide a data monitoring device for a gear hub production line for digital twin in view of the deficiencies in the above-mentioned prior art. The device has a simple structure and a reasonable design. The device collects data of the physical entity of the gear hub production line through a lathe monitoring unit, a milling machine monitoring unit, a gear hobbing machine monitoring unit, a comparator monitoring unit and a robot monitoring unit, provides input for the digital twin model, provides a guarantee for building an accurate and reliable digital twin model, and has a good use effect.

[0010] In order to solve the above technical problems, the technical solution adopted by the utility model is: a gear hub production line data monitoring device for digital twin, characterized in that: it includes a main control chip, and a lathe monitoring unit, a milling machine monitoring unit, a gear hobbing machine monitoring unit, a comparator monitoring unit and a robot monitoring unit electrically connected to the main control chip; it also includes a first installation unit for installing the lathe monitoring unit, a second installation unit for installing the milling machine monitoring unit, a third installation unit for installing the gear hobbing machine monitoring unit, a fourth installation unit for installing the robot monitoring unit, and a fifth installation unit for installing the comparator monitoring unit; the first installation unit includes a first installation frame, and A first camera bracket and a second camera bracket are detachably connected to a first mounting frame, and a first mounting box is fixedly connected to the first mounting frame; the lathe monitoring unit includes a first electronic circuit board arranged in the first mounting box, and a first microprocessor and a first communication module are integrated on the first electronic circuit board. The first communication module is used to realize communication between the main control chip and the first microprocessor, and the first microprocessor is connected to a first camera for shooting an image at a chuck position of the lathe, a second camera for shooting an image at a tool holder position of the lathe, a position sensor for measuring the tool holder position, an angle sensor for detecting a rotation angle of the chuck, and an acceleration sensor for detecting a rotation speed of the chuck.

[0011] The above-mentioned gear hub production line data monitoring device for digital twin is characterized in that: the second mounting unit includes a second mounting frame, and a third camera bracket detachably connected to the second mounting frame, and the second mounting frame is fixedly connected to a second mounting box; the milling machine monitoring unit includes a second electronic circuit board arranged in the second mounting box, and the second electronic circuit board is integrated with a second microprocessor and a second communication module, the second communication module is used to realize the communication between the main control chip and the second microprocessor, and the second microprocessor is connected to a third camera for shooting an image at the position of a rotating tool of the milling machine, a rotary encoder for real-time monitoring of the rotation speed of the rotating tool of the milling machine, and a vibration sensor for detecting the vibration condition of the worktable of the milling machine.

[0012] The above-mentioned gear hub production line data monitoring device for digital twin is characterized in that: the third installation unit includes a third installation frame, and the third installation box is fixedly connected to the third installation frame; the gear hobbing machine monitoring unit includes a third electronic circuit board arranged in the third installation box, and the third electronic circuit board is integrated with a third microprocessor and a third communication module, and the third communication module is used to realize the communication between the main control chip and the third microprocessor, and the third microprocessor is connected to a displacement sensor for measuring the tool displacement of the gear hobbing machine, a first infrared temperature sensor for collecting the temperature of the worktable of the gear hobbing machine, and a second infrared temperature sensor for collecting the temperature of the spindle of the gear hobbing machine.

[0013] The above-mentioned gear hub production line data monitoring device for digital twin is characterized in that: the fourth mounting unit includes a fourth mounting frame, and a fourth camera bracket detachably connected to the fourth mounting frame, and the fourth mounting frame is fixedly connected to a fourth mounting box; the robot monitoring unit includes a fourth electronic circuit board arranged in the fourth mounting box, and the fourth electronic circuit board is integrated with a fourth microprocessor and a fourth communication module, the fourth communication module is used to realize communication between the main control chip and the fourth microprocessor, and the fourth microprocessor is connected to a fourth camera for shooting images at the terminal position of the FANUC industrial robot arm, a first gyroscope installed on the moving part of the FANUC industrial robot, and a sound sensor installed on the moving part of the FANUC industrial robot.

[0014] The above-mentioned gear hub production line data monitoring device for digital twin is characterized in that: the fifth mounting unit includes a fifth mounting frame, and a fifth camera bracket detachably connected to the fifth mounting frame, and a fifth mounting box is fixedly connected to the fifth mounting frame; the comparator monitoring unit includes a fifth electronic circuit board arranged in the fifth mounting box, and the fifth electronic circuit board is integrated with a fifth microprocessor and a fifth communication module, the fifth communication module is used to realize communication between the main control chip and the fifth microprocessor, and the fifth microprocessor is connected to a fifth camera for capturing images at the position of the probe assembly and a second gyroscope installed on the probe base.

[0015] The above-mentioned gear hub production line data monitoring device for digital twin is characterized in that: the first camera bracket, the second camera bracket, the third camera bracket, the fourth camera bracket and the fifth camera bracket have the same structure, and the first camera bracket includes a telescopic rod, one end of the telescopic rod is fixedly connected to a clamp, and the other end of the telescopic rod is fixedly connected to a camera mounting seat.

[0016] The above-mentioned data monitoring device for a gear hub production line for digital twin is characterized in that: the position sensor is installed on the frame of the lathe through a first sensor mounting seat; the angle sensor is installed on the chuck of the lathe through the first sensor mounting seat, and the acceleration sensor is installed on the chuck of the lathe through the first sensor mounting seat.

[0017] The above-mentioned gear hub production line data monitoring device for digital twin is characterized in that: the first sensor mounting seat includes a suction cup, a first mounting plate fixedly arranged on the back of the suction cup, a plurality of first threaded holes are opened on the surface of the first mounting plate along the direction of the first circumferential line, and a plurality of second threaded holes are opened on the surface of the first mounting plate along the direction of the second circumferential line, and the first circumferential line and the second circumferential line are concentric circles.

[0018] The above-mentioned gear hub production line data monitoring device for digital twin is characterized in that the second sensor mounting seat includes a second mounting plate, and the two ends of the second mounting plate are respectively fixedly connected with a first binding strap and a second binding strap.

[0019] The above-mentioned gear hub production line data monitoring device for digital twin is characterized in that: the main control chip is connected to a sixth communication module that transmits the physical entity data of the gear hub production line to the digital twin module.

[0020] Compared with the prior art, the utility model has the following advantages:

[0021] 1. The utility model has a simple structure, reasonable design, and is easy to implement and operate.

[0022] 2. The utility model realizes data collection of the physical entities of the gear hub production line through lathe monitoring units, milling machine monitoring units, gear hobbing machine monitoring units, comparator monitoring units and robot monitoring units, reflects the real-time status of the physical entities, provides input for the digital twin model, and provides guarantee for building an accurate and reliable digital twin model.

[0023] 3. The lathe monitoring unit of the utility model includes a first camera, a second camera, a position sensor, an angle sensor and an acceleration sensor. The data of the lathe is collected through the sensors. It has the characteristics of high precision, high stability and strong real-time performance. It can accurately capture the changes in the state of the lathe during the production process and has good use effect.

[0024] To sum up, the utility model has a simple structure and reasonable design. It realizes data collection of the physical entity of the gear hub production line through the lathe monitoring unit, milling machine monitoring unit, gear hobbing machine monitoring unit, comparator monitoring unit and robot monitoring unit, provides input for the digital twin model, and provides guarantee for building an accurate and reliable digital twin model, and has good use effect.

[0025] The technical solution of the utility model is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of the utility model.

[0027] Figure 2 This is a circuit principle block diagram of the utility model.

[0028] Figure 3 It is a structural schematic diagram of the lathe monitoring unit of the utility model.

[0029] Figure 4 It is a structural schematic diagram of the first sensor mounting base of the utility model.

[0030] Figure 5 It is a structural schematic diagram of the mounting bracket of the utility model.

[0031] Figure 6 This is a circuit principle block diagram of the lathe monitoring unit of the utility model.

[0032] Figure 7 It is a structural schematic diagram of the milling machine monitoring unit of the utility model.

[0033] Figure 8 This is a circuit principle block diagram of the milling machine monitoring unit of the utility model.

[0034] Fig. 9 It is a structural schematic diagram of the gear hobbing machine monitoring unit of the utility model.

[0035] Fig.10 This is a circuit principle block diagram of the gear hobbing machine monitoring unit of the utility model.

[0036] Fig.11 This is a schematic diagram of the structure of the robot monitoring unit of the present utility model.

[0037] Fig.12 This is a circuit principle block diagram of the robot monitoring unit of the utility model.

[0038] Fig.13 It is a structural schematic diagram of the second sensor mounting base of the utility model.

[0039] Fig.14 It is a structural schematic diagram of the monitoring unit of the comparator of the present utility model.

[0040] Fig.15 This is a circuit principle block diagram of the monitoring unit of the comparator of the utility model.

[0041] Fig.16 It is a structural schematic diagram of the first camera bracket of the utility model.

[0042] Description of reference numerals:

[0043] 1—Comparator; 2—Marking machine; 3—Lathe;

[0044] 4—Lathe data monitoring module; 5—Milling machine data monitoring module; 6—Gear hobbing machine;

[0045] 7—FANUC industrial robot; 8—conveyor belt; 9—milling machine;

[0046] 13—Material storage table; 15—Gear hobbing machine data monitoring module;

[0047] 16—Comparator data monitoring module; 17—Robot data monitoring module;

[0048] 21—first mounting frame; 22—first mounting box; 23—base;

[0049] 24—connecting piece; 25—first camera bracket; 26—second camera bracket; 27—hoop; 28—telescopic rod; 29—camera mounting seat;

[0050] 211—second mounting frame; 212—third camera bracket; 213—second mounting box;

[0051] 214—third mounting box; 215—third mounting frame; 216—fourth camera bracket; 217—fourth mounting frame; 218—fourth mounting box; 219—fifth camera bracket; 220—fifth mounting frame; 221—fifth mounting box;

[0052] 31—Lathe monitoring unit; 32—Milling machine monitoring unit; 33—Gear hobbing machine monitoring unit; 34—Robot monitoring unit; 35—Comparator monitoring unit; 36—Main control chip;

[0053] 37—sixth communication module; 311—first camera; 312—second camera;

[0054] 313—position sensor; 314—angle sensor; 315—acceleration sensor;

[0055] 316—first microprocessor; 317—first communication module; 321—third camera;

[0056] 322—rotary encoder; 323—vibration sensor; 324—second microprocessor;

[0057] 325—second communication module; 331—displacement sensor; 332—first infrared temperature sensor;

[0058] 333—second infrared temperature sensor; 334—third microprocessor; 335—third communication module;

[0059] 341 — first gyroscope; 342 — sound sensor; 343 — fourth camera;

[0060] 344 — fourth microprocessor; 345 — fourth communication module; 351 — second gyroscope;

[0061] 352—fifth camera; 353—fifth microprocessor; 354—fifth communication module;

[0062] 41—suction cup; 42—first mounting plate; 43—first threaded hole;

[0063] 44—second threaded hole; 45—first sensor mounting seat;

[0064] 51 - first lashing strap; 52 - second mounting plate; 53 - second lashing strap;

[0065] 54 - Second sensor mounting seat. DETAILED DESCRIPTION

[0066] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments of the present invention.

[0067] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0068] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0069] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein, for example. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0070] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0071] like Figures 1 to 16 As shown, the utility model includes a main control chip 36, and a lathe monitoring unit 31, a milling machine monitoring unit 32, a gear hobbing machine monitoring unit 33, a comparator monitoring unit 35 and a robot monitoring unit 34 electrically connected to the main control chip 36; it also includes a first mounting unit for mounting the lathe monitoring unit 31, a second mounting unit for mounting the milling machine monitoring unit 32, a third mounting unit for mounting the gear hobbing machine monitoring unit 33, a fourth mounting unit for mounting the robot monitoring unit 34, and a fifth mounting unit for mounting the comparator monitoring unit 35.

[0072] The lathe monitoring unit 31 and the first installation unit constitute a lathe data monitoring module 4;

[0073] The milling machine monitoring unit 32 and the second installation unit constitute a milling machine data monitoring module 5;

[0074] The gear hobbing machine monitoring unit 33 and the third installation unit constitute the gear hobbing machine data monitoring module 15;

[0075] The robot monitoring unit 34 and the fourth installation unit constitute the robot data monitoring module 17;

[0076] The aligner monitoring unit 35 and the fifth installation unit constitute the aligner data monitoring module 16 .

[0077] The intelligent gear hub production line consists of a series of key physical entities, mainly including multiple lathes 3 for turning workpieces, multiple milling machines 9 for cutting workpieces, a gear hobbing machine 6 for processing gears on workpieces, a comparator 1 for determining the geometric errors of the workpiece surface, and a FANUC industrial robot 7 for transporting and loading and unloading workpieces.

[0078] In a possible embodiment, there are three lathes 3, of which the lathes are of model SKT21Z, four milling machines 9, one gear hobbing machine 6, one aligner 1, and multiple FANUC industrial robots 7, of which the FANUC industrial robots 7 are of model FANUC M-710iC6. A conveyor belt 8, a material buffer device, a blank material rack, a finished product material rack, a marking machine 2, and a material storage table 13 are also provided.

[0079] In actual use, the gear hub production line data monitoring device for digital twin of the present application includes a main control chip, a lathe monitoring unit 31, a milling machine monitoring unit 32, a gear hobbing machine monitoring unit 33, a comparator monitoring unit 35 and a robot monitoring unit 34 which are electrically connected to the main control chip 36 for communication. The data collection of the physical entity of the gear hub production line is realized through the lathe monitoring unit 31, the milling machine monitoring unit 32, the gear hobbing machine monitoring unit 33, the comparator monitoring unit 35 and the robot monitoring unit 34, which reflects the real-time status of the physical entity, provides input for the digital twin model, and provides guarantee for building an accurate and reliable digital twin model.

[0080] The first mounting unit includes a first mounting frame 21, and a first camera bracket 25 and a second camera bracket 26 detachably connected to the first mounting frame 21. A first mounting box 22 is fixedly connected to the first mounting frame 21. A base 23 is provided at the bottom of the first mounting frame 21, and the first mounting frame 21 is a telescopic column. The first mounting box 22 is fixedly connected to the first mounting frame 21 through a connector 24.

[0081] It should be noted that the first camera 311 is installed on the first camera bracket 25, the second camera 312 is installed on the second camera bracket 26; the first electronic circuit board is installed in the first installation box. The lathe monitoring unit 31 includes a first electronic circuit board arranged in the first installation box 22, and the first electronic circuit board is integrated with a first microprocessor 316 and a first communication module 317. The first communication module 317 is used to realize the communication between the main control chip 36 and the first microprocessor 316. The first microprocessor 316 is connected to a first camera 311 for photographing an image at the chuck position of the lathe 3, a second camera 312 for photographing an image at the tool rest position of the lathe 3, a position sensor 313 for measuring the tool rest position, an angle sensor 314 for detecting the rotation angle of the chuck, and an acceleration sensor 315 for detecting the rotation speed of the chuck.

[0082] like Figure 3 As shown, the lathe 3 includes a bed, a frame and a spindle are arranged on the bed, a tool holder is mounted on the frame, and the spindle is fixedly connected to the chuck. The position sensor 313 adopts a cable-type diffuse reflection sensor of model E3FA-DP13. The position sensor 313 is arranged on a mounting bracket. The mounting bracket is as shown in FIG. Figure 5 As shown, the mounting bracket is fixedly connected to the first sensor mounting seat 45. The first sensor mounting seat 45 is as shown in FIG. Figure 4 As shown, the first sensor mounting seat 45 is adsorbed on the frame. The angle sensor 314 is fixedly connected to the first sensor mounting seat 45, and the first sensor mounting seat 45 is adsorbed on the chuck. The angle sensor uses a rotary photoelectric encoder with a model number of IHC3808. The acceleration sensor 315 is fixedly connected to the first sensor mounting seat 45, and the first sensor mounting seat 45 is adsorbed on the chuck. The acceleration sensor uses a chip with a model number of MPU6050.

[0083] It should be noted that there are multiple first sensor mounting seats 45 , and each sensor is mounted using an independent first sensor mounting seat 45 .

[0084] The first camera 311 and the second camera 312 are both MT9V034 cameras. The first camera 311 and the second camera 312 are connected to the first microprocessor 316 via data lines.

[0085] The first camera 311 takes an image at the chuck position of the lathe 3, and the second camera 312 takes an image at the tool rest position of the lathe 3, and sends the images to the first microprocessor 316; the position sensor 313 is used to measure the tool rest position and send the measured position to the first microprocessor 316; the angle sensor 314 detects the rotation angle of the chuck in real time and sends the collected angle to the first microprocessor 316; the acceleration sensor 315 respectively detects the acceleration of the chuck on the horizontal axis, longitudinal axis and vertical axis in real time, and transmits the three-axis acceleration to the first microprocessor 316. The first microprocessor 316 is connected to the main control chip 36 through the first communication module 317 to transmit the image to the main control chip.

[0086] In this embodiment, the second mounting unit includes a second mounting frame 211, and a third camera bracket 212 detachably connected to the second mounting frame 211, and a second mounting box 213 is fixedly connected to the second mounting frame 211; it should be noted that the third camera 321 is mounted on the third camera bracket 212. The milling machine monitoring unit 32 includes a second electronic circuit board arranged in the second mounting box 213, and a second microprocessor 324 and a second communication module 325 are integrated on the second electronic circuit board. The second communication module 325 is used to realize the communication between the main control chip 36 and the second microprocessor 324. The second microprocessor 324 is connected to a third camera 321 for shooting an image at the position of the rotating tool of the milling machine 9, a rotary encoder 322 for real-time monitoring of the rotation speed of the rotating tool of the milling machine 9, and a vibration sensor 323 for detecting the vibration condition of the workbench of the milling machine 9.

[0087] like Figure 7 As shown, the milling machine includes a base, a workbench is fixedly installed on one side of the base, a height adjustment frame is fixedly installed on the other side of the base, and a rotating tool is installed on the height adjustment frame. The vibration sensor 323 adopts a sensor of model SVM30, and the vibration sensor 323 is fixedly installed on the first sensor mounting seat 45 by screws or glue, and the first sensor mounting seat 45 is adsorbed on the side of the workbench. The rotary encoder 322 adopts a sensor of model Omron E6B2-CWZ6C, and the rotary encoder 322 is fixedly installed on the first sensor mounting seat 45 by screws or glue, and the first sensor mounting seat 45 is adsorbed on the top of the rotating tool.

[0088] like Figure 8 As shown, the third camera 321 takes an image at the position of the rotating tool of the milling machine 9 and sends the image to the second microprocessor 324; the vibration sensor 323 is used to measure the vibration signal of the workbench and send the measured vibration signal to the second microprocessor 324; the rotary encoder 322 detects the rotation speed of the rotating tool in real time and sends the collected rotation speed to the second microprocessor 324. The second microprocessor 324 is connected to the main control chip 36 through the second communication module 325, and transmits the image and signal to the main control chip 36.

[0089] In this embodiment, the third installation unit includes a third installation frame 215, and a third installation box 214 is fixedly connected to the third installation frame 211; the gear hobbing machine monitoring unit 33 includes a third electronic circuit board arranged in the third installation box 214, and a third microprocessor 334 and a third communication module 335 are integrated on the third electronic circuit board. The third communication module 335 is used to realize the communication between the main control chip 36 and the third microprocessor 334. The third microprocessor 334 is connected to a displacement sensor 331 for measuring the tool displacement of the gear hobbing machine 6, a first infrared temperature sensor 332 for collecting the worktable temperature of the gear hobbing machine 6, and a second infrared temperature sensor 333 for collecting the spindle temperature of the gear hobbing machine 6.

[0090] like Fig. 9 As shown, the gear hobbing machine includes a workbench, a transmission box is arranged on the workbench, a servo motor is arranged in the transmission box, the servo motor is used to drive the worm to rotate, the worm and the worm gear are meshed and driven, the worm gear drives the mounting plate to rotate, the tool is mounted on the mounting plate, the displacement sensor 331 is fixed on the first sensor mounting seat 45 by screws or glue, and the first sensor mounting seat 45 is adsorbed on the mounting plate. The displacement sensor 331 uses a chip with model number XM18-3008PMU.

[0091] It should be noted that the first infrared temperature sensor 332 and the second infrared temperature sensor 333 are arranged in the third installation box 214, and the third installation box 214 is provided with a through hole through which the probes of the first infrared temperature sensor 332 and the second infrared temperature sensor 333 can be exposed. The first infrared temperature sensor 332 and the second infrared temperature sensor 333 use non-contact temperature measurement means. In a possible embodiment, the first infrared temperature sensor 332 and the second infrared temperature sensor 333 use an infrared thermometer of model LX-D12. The probe of the first infrared temperature sensor 332 faces the workbench of the gear hobbing machine, and the probe of the second infrared temperature sensor 333 faces the main shaft of the gear hobbing machine.

[0092] like Fig.10 As shown, the displacement sensor 331 is used to measure the displacement signal of the tool and send the measured displacement signal to the third microprocessor 334; the first infrared temperature sensor 332 and the second infrared temperature sensor 333 detect the temperature signal in real time, and send the temperature signal to the third microprocessor 334. The third microprocessor 334 is connected to the main control chip 36 through the third communication module 335, and transmits the signal to the main control chip 36.

[0093] In this embodiment, the fourth mounting unit includes a fourth mounting frame 217, and a fourth camera bracket 216 detachably connected to the fourth mounting frame 217, and a fourth mounting box 218 is fixedly connected to the fourth mounting frame 217; it should be noted that the fourth camera 343 is mounted on the fourth camera bracket 216. The robot monitoring unit 34 includes a fourth electronic circuit board arranged in the fourth mounting box 218, and a fourth microprocessor 344 and a fourth communication module 345 are integrated on the fourth electronic circuit board. The fourth communication module 345 is used to realize the communication between the main control chip 36 and the fourth microprocessor 344. The fourth microprocessor 344 is connected to a fourth camera 343 for shooting an image at the terminal position of the mechanical arm of the FANUC industrial robot 7, a first gyroscope 341 installed on the moving part of the FANUC industrial robot 7, and a sound sensor 342 installed on the moving part of the FANUC industrial robot 7.

[0094] like Fig.11As shown, the fourth camera 343 takes an image at the terminal position of the mechanical arm of the FANUC industrial robot 7 and sends the image to the fourth microprocessor 344. It should be noted that the first gyroscope 341 is installed on the moving part of the FANUC industrial robot 7 through the second sensor mounting seat 54, and the mounting position is flexibly set according to the motion characteristics of the controlled object and is not limited to a fixed position. In a possible embodiment, the first gyroscope 341 is installed on the mechanical arm of the FANUC industrial robot 7 through the second sensor mounting seat 54. The first gyroscope 341 detects the changes in the angle and speed of the three-axis direction of the FANUC industrial robot 7, and converts the angle and speed signals into electrical signals and sends them to the fourth microprocessor 344. The sound sensor 342 uses a sound sensor of model MAX4466. The sound sensor 342 is installed on the mechanical arm of the FANUC industrial robot 7 through the second sensor mounting seat 54, and is used to collect the decibel size of the sound during the movement of the FANUC industrial robot 7 and send it to the fourth microprocessor 344. The fourth microprocessor 344 is connected to the main control chip 36 through the fourth communication module 345 to transmit images and signals to the main control chip 36 .

[0095] The second sensor mounting base 54 is as follows Fig.13 As shown. The second sensor mounting base includes a second mounting plate 52, and the two ends of the second mounting plate 52 are respectively fixedly connected with the first binding strap 51 and the second binding strap 53. The second mounting plate 52 is provided with a threaded hole for connecting with the mounting hole of the PCB board in the sensor through screws and nuts to achieve the positioning of the sensor. The second mounting plate 52 has the same structure as the first mounting plate 42. In a possible embodiment, the size of the threaded hole on the second mounting plate 52 is designed and opened according to the size of the mounting hole.

[0096] In this embodiment, the fifth mounting unit includes a fifth mounting frame 220, and a fifth camera bracket 219 detachably connected to the fifth mounting frame 220, and a fifth mounting box 221 is fixedly connected to the fifth mounting frame 220; it should be noted that the fifth camera 352 is mounted on the fifth camera bracket 219. The comparison instrument monitoring unit 35 includes a fifth electronic circuit board arranged in the fifth mounting box 221, and a fifth microprocessor 353 and a fifth communication module 354 are integrated on the fifth electronic circuit board. The fifth communication module 354 is used to realize the communication between the main control chip 36 and the fifth microprocessor 353, and the fifth microprocessor 353 is connected to the fifth camera 352 for shooting the image at the position of the probe assembly and the second gyroscope 351 installed on the probe base.

[0097] like Fig.14As shown, the aligner includes a parallel motion structure, a probe base and a probe assembly connected in sequence. The parallel motion structure includes a plurality of telescopic rods. It should be noted that the second gyroscope 351 is mounted on the probe base through the second sensor mounting base 54 .

[0098] like Fig.15 As shown, the fifth camera 352 captures the image at the position of the probe assembly and sends the image to the fifth microprocessor 353. The second gyroscope 351 detects the changes in the three-axis angle and speed of the probe base, and converts the angle and speed signals into electrical signals and sends them to the fifth microprocessor 353. The fifth microprocessor 353 is connected to the main control chip 36 through the fifth communication module 354, and transmits the image and signal to the main control chip 36.

[0099] In this embodiment, the first camera bracket 25, the second camera bracket 26, the third camera bracket 212, the fourth camera bracket 216 and the fifth camera bracket 219 have the same structure. The first camera bracket 25 includes a telescopic rod 28, one end of the telescopic rod 28 is fixedly connected to a clamp 27, and the other end of the telescopic rod 28 is fixedly connected to a camera mounting base 29.

[0100] In this embodiment, the first sensor mounting seat 45 includes a suction cup 41, a first mounting plate 42 fixedly arranged on the back of the suction cup 41, a plurality of first threaded holes 43 are provided on the surface of the first mounting plate 42 along the direction of the first circumferential line, a plurality of second threaded holes 44 are provided on the surface of the first mounting plate 42 along the direction of the second circumferential line, and the first circumferential line and the second circumferential line are concentric circles. A third threaded hole is provided on the side wall of the first mounting plate 42. The first threaded hole 43, the second threaded hole 44 and the third threaded hole are used to connect with the mounting hole of the PCB board in the sensor through screws and nuts to realize the positioning of the sensor.

[0101] In this embodiment, the main control chip 36 is connected to a sixth communication module 37 for transmitting the physical entity data of the gear hub production line to the digital twin module. The digital twin module generates a digital twin model according to the physical entity data of the gear hub production line.

[0102] It should be noted that the camera, sensor, communication module, chip, and microprocessor involved in the present invention are all existing technology equipment and can be directly purchased and connected for use. Among them, the contents not described in detail in the specification belong to the existing technology known to professional and technical personnel in this field.

[0103] The above description is only an embodiment of the present invention and does not constitute any limitation to the present invention. Any simple modification, change and equivalent structural change made to the above embodiments according to the technical essence of the present invention shall still fall within the protection scope of the technical solution of the present invention.

Claims

1. A gear hub production line data monitoring device for digital twin, characterized by: It comprises a main control chip (36), and a lathe monitoring unit (31), a milling machine monitoring unit (32), a gear hobbing machine monitoring unit (33), a comparator monitoring unit (35) and a robot monitoring unit (34) electrically connected to the main control chip (36); It also includes a first mounting unit for mounting a lathe monitoring unit (31), a second mounting unit for mounting a milling machine monitoring unit (32), a third mounting unit for mounting a gear hobbing machine monitoring unit (33), a fourth mounting unit for mounting a robot monitoring unit (34), and a fifth mounting unit for mounting a comparator monitoring unit (35); The first mounting unit comprises a first mounting frame (21), and a first camera bracket (25) and a second camera bracket (26) detachably connected to the first mounting frame (21), and a first mounting box (22) is fixedly connected to the first mounting frame (21); The lathe monitoring unit (31) comprises a first electronic circuit board arranged in a first installation box (22), the first electronic circuit board being integrated with a first microprocessor (316) and a first communication module (317), the first communication module (317) being used to realize communication between a main control chip (36) and the first microprocessor (316), the first microprocessor (316) being connected to a first camera (311) for photographing an image at a chuck position of the lathe (3), a second camera (312) for photographing an image at a tool rest position of the lathe (3), a position sensor (313) for measuring the tool rest position, an angle sensor (314) for detecting a chuck rotation angle, and an acceleration sensor (315) for detecting a chuck rotation speed.

2. A gear hub production line data monitoring device for digital twinning according to claim 1, characterized in that: The second mounting unit comprises a second mounting frame (211) and a third camera support (212) detachably connected to the second mounting frame (211), and a second mounting box (213) is fixedly connected to the second mounting frame (211); The milling machine monitoring unit (32) comprises a second electronic circuit board arranged in a second installation box (213), a second microprocessor (324) and a second communication module (325) being integrated on the second electronic circuit board, the second communication module (325) being used to realize communication between the main control chip (36) and the second microprocessor (324), the second microprocessor (324) being connected to a third camera (321) for photographing an image at a position of a rotating tool of the milling machine (9), a rotary encoder (322) for real-time monitoring of the rotation speed of the rotating tool of the milling machine (9), and a vibration sensor (323) for detecting the vibration condition of a workbench of the milling machine (9).

3. A gear hub production line data monitoring device for digital twinning according to claim 1, characterized in that: The third installation unit comprises a third installation frame (215), and a third installation box (214) is fixedly connected to the third installation frame (215); The gear hobbing machine monitoring unit (33) comprises a third electronic circuit board arranged in a third installation box (214), a third microprocessor (334) and a third communication module (335) being integrated on the third electronic circuit board, the third communication module (335) being used to realize communication between the main control chip (36) and the third microprocessor (334), the third microprocessor (334) being connected to a displacement sensor (331) for measuring tool displacement of the gear hobbing machine (6), a first infrared temperature sensor (332) for collecting the temperature of the workbench of the gear hobbing machine (6), and a second infrared temperature sensor (333) for collecting the temperature of the spindle of the gear hobbing machine (6).

4. A gear hub production line data monitoring device for digital twinning according to claim 1, characterized in that: The fourth mounting unit comprises a fourth mounting frame (217) and a fourth camera bracket (216) detachably connected to the fourth mounting frame (217), and a fourth mounting box (218) is fixedly connected to the fourth mounting frame (217); The robot monitoring unit (34) comprises a fourth electronic circuit board arranged in a fourth installation box (218), a fourth microprocessor (344) and a fourth communication module (345) being integrated on the fourth electronic circuit board, the fourth communication module (345) being used to realize communication between the main control chip (36) and the fourth microprocessor (344), the fourth microprocessor (344) being connected to a fourth camera (343) for photographing an image at a terminal position of a mechanical arm of a FANUC industrial robot (7), a first gyroscope (341) installed on a moving part of the FANUC industrial robot (7), and a sound sensor (342) installed on a moving part of the FANUC industrial robot (7).

5. A gear hub production line data monitoring device for digital twinning according to claim 1, characterized in that: The fifth mounting unit comprises a fifth mounting frame (220) and a fifth camera support (219) detachably connected to the fifth mounting frame (220), and a fifth mounting box (221) is fixedly connected to the fifth mounting frame (220); The comparison instrument monitoring unit (35) includes a fifth electronic circuit board arranged in a fifth installation box (221), on which a fifth microprocessor (353) and a fifth communication module (354) are integrated, the fifth communication module (354) is used to realize communication between the main control chip (36) and the fifth microprocessor (353), and the fifth microprocessor (353) is connected to a fifth camera (352) for photographing an image at the position of the probe assembly and a second gyroscope (351) installed on the probe base.

6. A gear hub production line data monitoring device for digital twinning according to claim 1, characterized in that: The first camera bracket (25), the second camera bracket (26), the third camera bracket (212), the fourth camera bracket (216) and the fifth camera bracket (219) have the same structure. The first camera bracket (25) comprises a telescopic rod (28), one end of the telescopic rod (28) is fixedly connected to a clamp (27), and the other end of the telescopic rod (28) is fixedly connected to a camera mounting seat (29).

7. A gear hub production line data monitoring device for digital twinning according to claim 1 or 6, characterized in that: The position sensor (313) is mounted on the frame of the lathe (3) via a first sensor mounting seat (45); the angle sensor (314) is mounted on the chuck of the lathe (3) via the first sensor mounting seat (45); and the acceleration sensor (315) is mounted on the chuck of the lathe (3) via the first sensor mounting seat (45).

8. A gear hub production line data monitoring device for digital twinning according to claim 1, characterized in that: The first sensor mounting seat (45) comprises a suction cup (41), a first mounting plate (42) fixedly arranged on the back of the suction cup (41), a surface of the first mounting plate (42) having a plurality of first threaded holes opened along a first circumferential line direction, a surface of the first mounting plate (42) having a plurality of second threaded holes opened along a second circumferential line direction, and the first circumferential line and the second circumferential line are concentric circles.

9. A gear hub production line data monitoring device for digital twinning according to claim 1, characterized in that: The second sensor mounting seat (54) comprises a second mounting plate (52), and two ends of the second mounting plate (52) are respectively fixedly connected with a first binding belt (51) and a second binding belt (53).

10. A gear hub production line data monitoring device for digital twinning according to claim 1, characterized in that: The main control chip (36) is connected to a sixth communication module (37) for transmitting the physical entity data of the gear hub production line to the digital twin module.

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