CN110782723A - Learning equipment for simulating practical training and simulated practical training method - Google Patents

Learning equipment for simulating practical training and simulated practical training method Download PDF

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Publication number
CN110782723A
CN110782723A CN201910940188.0A CN201910940188A CN110782723A CN 110782723 A CN110782723 A CN 110782723A CN 201910940188 A CN201910940188 A CN 201910940188A CN 110782723 A CN110782723 A CN 110782723A
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CN
China
Prior art keywords
welding
simulating
carriage
glasses
workpiece
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CN201910940188.0A
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Chinese (zh)
Inventor
张伟
钱进
林清水
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Nanjing Haowei Technology Co Ltd
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Nanjing Haowei Technology Co Ltd
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Priority to CN201910940188.0A priority Critical patent/CN110782723A/en
Publication of CN110782723A publication Critical patent/CN110782723A/en
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B9/00Simulators for teaching or training purposes

Abstract

The invention discloses a learning device and a method for simulating practical training, belonging to the field of augmented reality, wherein the learning device for simulating practical training comprises: the simulation device comprises simulation equipment, AR glasses, earphones and a motion capture camera, wherein the simulation equipment has the appearance and basic functions similar to those of the practical training equipment, the simulation equipment further comprises a control host, and the AR glasses, the earphones and the motion capture camera are all electrically connected with the control host; according to the invention, the trainees can exercise the actions before the practical training through the simulation equipment, can feel, see and hear the possible dangers in the practical training and can avoid the injuries through the AR glasses and the earphones, and can enter a further practical training course after the actions of the trainees reach technical requirements through the action capturing camera, so that the danger probability caused by improper operation in the practical training is reduced.

Description

Learning equipment for simulating practical training and simulated practical training method
Technical Field
The invention relates to the field of augmented reality, in particular to learning equipment for simulating practical training and a simulated practical training method.
Background
The practical training teaching of the science and technology often takes place along with some dangerous situations, easily causes the injury to the student who just touches practical training and is not familiar with the means of protection, like the highlight that takes place in the real standard of welding, if the student uses the protective mask improperly easily causes the injury to student's glasses and skin, flying chips and high-speed pivoted main shaft in the machine tool is real and is instructed the injury to student.
Therefore, equipment capable of simulating practical training needs to be provided, so that a student can firstly practice protective and normative actions before practical training and then enter the next real practical training course after the actions are normative.
Disclosure of Invention
The purpose of the invention is as follows: the utility model provides a learning device and a method for simulating practical training, which are used for solving the problems in the prior art.
The technical scheme is as follows: a learning device for simulating training, comprising: analog devices, AR glasses, headphones, and motion capture cameras;
the simulation equipment has the appearance and the basic function similar to those of practical training equipment, and further comprises a control host, wherein the AR glasses, the earphones and the motion capture camera are electrically connected with the control host.
In a further embodiment, a microphone is further connected to the earphone, so that a teacher can record sound directly through the microphone when inputting a teaching video.
In a further embodiment, the simulation device is a hybrid model of a general lathe, a numerically controlled lathe and a numerically controlled milling machine, and includes: the numerical control machine tool comprises a machine tool body, a movable protective door, a large dragging plate, a middle dragging plate and a small dragging plate, wherein the movable protective door is installed outside the machine tool body and does linear motion, the large dragging plate, the middle dragging plate and the small dragging plate are installed inside the machine tool body and do linear motion, one end of the large dragging plate, one end of the middle dragging plate and one end of the small dragging plate are respectively and rotatably connected with a large rotating wheel, a middle rotating wheel and a small rotating wheel, the numerical control panel is fixedly installed at one end of simulation equipment, and a first hand wheel and a second hand wheel are installed on the simulation equipment and are electrically.
In the embodiment, simulation equipment is used for simulating three machine tools, namely a common lathe, a numerical control lathe and a numerical control milling machine, parts such as a main shaft and a cutter which are easy to cause danger are removed, and only basic working components are reserved, so that a student can select different machine tool training equipment to simulate and practice according to teaching needs, and damage caused by technical inexperience in actual training is avoided.
In a further embodiment, the large rotating wheel, the middle rotating wheel and the small rotating wheel are respectively connected with the large carriage, the middle carriage and the small carriage in a rotating mode, the large carriage, the middle carriage and the small carriage are installed in the lathe body through linear motion mechanisms, the moving directions of the large carriage and the small carriage are consistent, and the moving direction of the middle carriage is perpendicular to that of the large carriage.
The large dragging plate, the middle dragging plate and the small dragging plate are driven to do linear motion when the large rotating wheel, the middle rotating wheel and the small rotating wheel need to be rotated to operate the common lathe, so that the large rotating wheel, the middle rotating wheel and the small rotating wheel are rotatably connected with the large dragging plate, the middle dragging plate and the small dragging plate, and the large dragging plate, the middle dragging plate and the small dragging plate are arranged inside the lathe body through the linear motion mechanism, so that a student can simulate and practice the technical motion of the common lathe for feeding.
In a further embodiment, the motion capture cameras are fixedly mounted at the two outer ends and the top end of the simulation device respectively.
The overall process of the student operation is captured by arranging the motion capture camera, the score is scored for the student operation, the score of the student can be more accurately assessed, and the student can be further trained after mastering the technical key.
In a further embodiment, a method for simulating training of a learning device includes: the first step, start the control host computer, the student wears AR glasses before the eyes, wears the earphone on the ear.
Secondly, selecting a machine tool to be learned, opening the movable protective door to rotate the large rotating wheel or the medium rotating wheel or the small rotating wheel, simulating and displaying the scene of the common lathe by the AR glasses, one end in the simulation equipment simulates and displays a rotating lathe spindle and a workpiece, a turning tool is simulated and displayed on a small carriage, a student rotates a large rotating wheel or a middle rotating wheel or the small rotating wheel to make linear motion with a corresponding large carriage or the middle carriage or the small carriage, the turning tool moves along with the small carriage, the AR glasses simulate and display the picture of the turning of the workpiece when the turning tool contacts with the workpiece until the workpiece is processed into a specified shape, then a teaching course is finished, the body of a student or the turning tool touches the simulated lathe spindle before the workpiece is processed into the specified shape, then the teaching course is finished, and simulating and displaying the scene of damage of the turning tool and the lathe spindle when the turning tool touches the simulated lathe spindle, and finishing the course.
The movable protective door is closed, a first hand wheel corresponding to the numerical control lathe is taken out and rotated, the AR glasses simulate and display the scene of the numerical control lathe, a rotating lathe spindle and a workpiece are simulated and displayed at one end inside the simulation equipment, a turning tool is simulated and displayed on the small carriage, a student rotates the first hand wheel after adjusting a shaft corresponding to the first hand wheel and then rotates the first hand wheel to make linear motion with a corresponding large carriage or a corresponding medium carriage or the small carriage, the turning tool moves along with the small carriage, and when the turning tool is in contact with the workpiece, the AR glasses simulate and display the turning picture of the workpiece until the workpiece is processed into a specified shape, and then a teaching course is completed.
In the scene of simulating the numerical control lathe, after a turning program is input by pressing the numerical control panel, the AR glasses simulate the rotating speeds of a lathe spindle and a workpiece and the motion trail of a turning tool to be simulated along with the turning program, and a teaching course is completed until the turning program is finished.
In the scene of simulating the numerical control lathe, the teaching process is immediately finished when a student opens the movable protective door or a turning tool touches the simulated lathe spindle, wherein the progress is finished when the turning tool touches the simulated lathe spindle and the scene of damage of the turning tool and the lathe spindle is simulated and displayed.
Closing the movable protective door, taking out a second hand wheel corresponding to the numerically controlled lathe, rotating the second hand wheel, displaying a scene of the numerically controlled milling machine in an AR glasses simulation mode, displaying a rotating milling machine spindle and a milling cutter in a simulation mode at the middle position of the top end of the interior of the simulation equipment in a simulation mode, displaying a workpiece in a simulation mode on the small carriage, enabling a student to adjust a shaft of the second hand wheel corresponding to the second hand wheel, rotate the second hand wheel to move linearly along with the spindle or the large carriage or the medium carriage or the small carriage corresponding to the second hand wheel, enabling the milling cutter to move along with the spindle and the workpiece to move along with the small carriage, displaying a workpiece milling picture in an AR glasses simulation mode when the milling cutter is in contact.
In a scene of simulating the numerical control milling machine, after a milling program is input by pressing the numerical control panel, the AR glasses simulate the rotating speeds of a milling machine main shaft and a milling cutter and the motion tracks of the milling cutter and a workpiece to be simulated along with the milling program, and a teaching course is completed until the milling program is finished.
In the scene of simulating the numerical control milling machine, a student opens the movable protective door or touches the simulated milling cutter, and then immediately finishes the course, wherein the process is finished after the scene that the milling cutter and the small carriage are damaged is simulated and displayed when the small carriage touches the simulated milling cutter.
In the simulation process of the second step, the earphone plays corresponding sound along with the simulation scene.
In another embodiment, the simulation device is a model of a welding device, comprising: the welding rod is in linear motion at one end of the welding tongs, one end side face, close to the welding rod, of the welding tongs is elastically connected with a clamping plate, and the welding part, the welding tongs and the welding rod are electrically connected with a control host machine.
The simulation device is used for simulating the welding training with high risk, so that a student can firstly practice the action of the welding training and then enter a further training course after the welding training is technically skilled, and the damage caused by the technical inexperience in the actual training is avoided.
Because the process of welding rod loss exists during real welding, the welding rod moves linearly at one end of the welding tongs, and a student feels a scene during real welding.
In a further embodiment, a position sensor electrically connected with the control host is fixedly mounted on the AR glasses.
Because the most important protection action in the welding practical training is to protect the face and the eyes by using the protective mask, the position sensor is arranged on the AR glasses to detect the position of the protective mask, and the fact that a student can be skilled to perform the practical training action is ensured.
In a further embodiment, the motion capture camera is fixedly mounted to one side of the weldment.
The welding training is mainly used for training hand motions around the welding part, so that the motion capturing camera arranged on one side of the welding part can meet the requirements of motion training, and the body motions of students are not required to be detected at higher cost.
In a further embodiment, a method for simulating training of a learning device includes: after the student wears AR glasses and earphones, the weld joint for teaching can be seen by watching the welding piece through the AR glasses, one hand of the student holds the protective mask, the other hand of the student holds the welding tongs, then the tail end of the welding rod on the welding tongs is moved to the weld joint, the student moves the protective mask to a position which is less than 200mm away from the AR glasses before the distance between the tail end of the welding rod and the welding piece is less than 1mm, then the tail end of the welding rod is moved to a position which is less than 1mm away from the welding piece, and at the moment, the AR glasses simulate and display the scene which generates strong light when the welding piece is watched through the.
If the student does not move the protective mask to a position less than 200mm away from the AR glasses before the distance between the end of the welding rod and the welding part is less than 1mm, the AR glasses display a white picture simulating a scene where the eyes can only see strong light under direct irradiation of the strong light.
In the process of simulating welding, the welding rod moves along the direction of keeping away from the welding part along the axis direction along with the welding time so as to simulate the scene consumed by the welding rod during welding, and a student needs to keep the position where the distance between the tail end of the welding rod and the welding part is less than 1mm all the time to ensure the normal operation of welding training.
The sensing distance of the position sensor on the AR glasses is 0-200 mm, and the position sensor is used for sensing whether the protective mask reaches the position meeting the welding training.
Has the advantages that: the invention discloses a learning device for simulating practical training and a practical training simulating method, wherein the practical training method is characterized in that a simulation device for simulating a common lathe, a numerical control lathe and a numerical control milling machine is used, AR glasses and earphones for simulating a practical training scene are used, so that a student can perform practical machine tool training and feel dangers of flying chips and a high-speed rotating main shaft in the practical training of the machine tool, the student can be prevented from being damaged by the flying chips and the high-speed rotating main shaft, and the action of the student is ensured to reach technical requirements through an action capturing camera and then is subjected to a teaching course of further practical training; according to the simulation training method, the simulation equipment for simulating the welding equipment is used, the AR glasses and the earphones for simulating the training scene are used, a student can simulate actual welding training and feel danger caused by strong light generated in the welding training, damage caused by the strong light can be avoided, the action of the student is ensured to reach the technical key through the action capturing camera, then further training teaching is carried out, and the danger probability caused by improper operation in the training is reduced.
Drawings
FIG. 1 is a schematic view of a simulated machine tool of the present invention.
FIG. 2 is a schematic diagram of the use of the numerical control vehicle training simulation of the invention.
Fig. 3 is a schematic diagram of an internal picture of the simulated lathe training of the invention.
Fig. 4 is a schematic diagram of an internal picture of a practical training simulation milling machine of the invention.
FIG. 5 is a schematic view of the simulated welding apparatus of the present invention.
Fig. 6 is a schematic diagram of a simulated welding training screen according to the present invention.
The reference numerals shown in fig. 1 to 6 are: the device comprises a simulation device 1, a motion capture camera 2, AR glasses 3, an earphone 4, a control host 111, a machine tool body 11, a movable guard door 12, a large carriage 13, a middle carriage 14, a small carriage 15, a large rotating wheel 16, a transfer wheel 17, a small rotating wheel 18, a position sensor 31, a welding part 101, a welding clamp 102, a welding rod 103, a guard 104, a numerical control panel 112, a first hand wheel 113, a second hand wheel 114, a machine tool spindle 115, a workpiece 116, a milling machine spindle 117, a milling cutter 118, a turning tool 151 and a clamping plate 1021.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.
The applicant researches and discovers that dangerous situations are often generated in the existing engineering and science practical training teaching, the injury is easily caused to students who are just in contact with practical training and are not skilled in protection means, for example, strong light generated in welding practical training, the injury is easily caused to glasses and skin of the students if the students improperly use protective masks, and flying chips and a high-speed rotating main shaft in machine tool practical training can cause the injury to the students.
In order to solve the problem of reducing the probability of injury of a student due to unskilled technology, the applicant provides equipment capable of simulating practical training, so that the student can firstly practice protective and normative actions before practical training and then enter the next real practical training course after the actions are normative.
A learning device for simulating training comprising: the device comprises a simulation device 1, a motion capture camera 2, AR glasses 3, an earphone 4, a control host 111, a machine tool body 11, a movable guard door 12, a large carriage 13, a middle carriage 14, a small carriage 15, a large rotating wheel 16, a transfer wheel 17, a small rotating wheel 18, a position sensor 31, a welding part 101, a welding clamp 102, a welding rod 103, a guard 104, a numerical control panel 112, a first hand wheel 113, a second hand wheel 114, a machine tool spindle 115, a workpiece 116, a milling machine spindle 117, a milling cutter 118, a turning tool 151 and a clamping plate 1021.
The simulation device 1 has the appearance and the basic functions similar to those of a practical training device, the simulation device 1 further comprises a control host 111, and the AR glasses 3, the earphones 4 and the motion capture camera 2 are electrically connected with the control host 111 when in use.
The invention provides two kinds of simulation equipment 1 for simulating machine tool practical training and welding practical training and an operation method for simulating the practical training, and fig. 1 to 4 are schematic diagrams of the simulation equipment 1 for simulating the machine tool practical training and fig. 5 and 6 are schematic diagrams of the simulation equipment 1 for simulating the welding practical training.
Wherein, for the convenience of teacher's input, the analog device 1 inputs corresponding sound and the earphone 4 is also connected with a microphone.
In a further embodiment, when the machine tool training is simulated, because the simulation equipment 1 is not required to perform actual cutting work, the simulation equipment 1 is a mixed model of a common lathe, a numerically controlled lathe and a numerically controlled milling machine, and therefore, the simulation equipment 1 has multiple purposes in order to reduce production cost. And in order to reduce the footprint the control host 111 is in this embodiment installed within the simulation apparatus 1.
The simulation apparatus 1 shown in fig. 1 to 6 in this embodiment includes: the machine tool comprises a machine tool body 11, and a movable protective door 12 which simulates a numerically controlled lathe and a numerically controlled milling machine and is arranged outside the machine tool body 11 to do linear motion.
The simulated common lathe, which is called a common lathe for short, comprises a large dragging plate 13, a middle dragging plate 14 and a small dragging plate 15 which are arranged in a lathe body through a linear motion mechanism, and a large rotating wheel 16, a middle rotating wheel 17 and a small rotating wheel 18 which are rotatably connected with the large dragging plate 13, the middle dragging plate 14 and the small dragging plate 15.
The moving directions of the large carriage 13 and the small carriage 15 are consistent, and the moving direction of the middle carriage 14 is vertical to that of the large carriage 13.
Simulating a numerically controlled lathe and a numerically controlled milling machine, and fixedly installing a numerically controlled panel 112 at one end of the simulation device 1.
The simulation numerical control lathe is provided with a first hand wheel 113 which is arranged on the simulation device 1 and is electrically connected with the control host 111.
A second hand wheel 114 which is arranged on the simulation device 1 and is electrically connected with the control host 111.
In order to enable the AR glasses 3 to simulate a more real training picture, the large dragging plate 13, the middle dragging plate 14, the small dragging plate 15, the large rotating wheel 16, the middle rotating wheel 17, the small rotating wheel 18, the numerical control panel 112, the first hand wheel 113 and the second hand wheel 114 are all electrically connected with the control host 111, and then the AR glasses 3 display the simulated picture according to data transmitted from the control host 111.
In a further embodiment, the motion capture cameras 2 are mounted on both ends and the top of the exterior of the simulation apparatus 1 for capturing the motions of the trainee to determine whether the trainee's operation meets the specification for entering the next actual training.
Simulating the working principle of machine tool training: in the first step, the control host 111 is activated, and the student wears the AR glasses 3 in front of his eyes and wears the earphones 4 on his ears.
Secondly, selecting a machine tool to be learned, opening the movable protective door 12 to rotate the large rotating wheel 16, the middle rotating wheel 17 or the small rotating wheel 18, displaying a scene of the common lathe in an AR (augmented reality) glasses 3 simulation mode, displaying a rotating lathe spindle 115 and a workpiece 116 in a simulation mode at one end inside the simulation equipment 1 in a simulation mode, displaying a turning tool 151 in a simulation mode on the small carriage 15, enabling a student to rotate the large rotating wheel 16, the middle rotating wheel 17 or the small rotating wheel 18 and the corresponding large carriage 13, the middle carriage 14 or the small carriage 15 to do linear motion along with the large carriage, moving the turning tool 151 along with the small carriage 15, displaying a picture of the workpiece 116 in a simulation mode by the AR glasses 3 when the turning tool 151 is in contact with the workpiece 116 until the workpiece 116 is machined to a specified shape, completing a teaching course, finishing the teaching course when the body of the student or the turning tool 151 touches the simulated lathe spindle 115 before the workpiece 116 is machined to the specified shape, and finishing the teaching course when the turning tool 151 touches the And (5) teaching courses.
The movable protective door 12 is closed, a first hand wheel 113 corresponding to the numerically controlled lathe is taken out, the first hand wheel 113 is rotated, the AR glasses 3 simulate and display the scene of the numerically controlled lathe, a rotating lathe spindle 115 and a workpiece 116 are simulated and displayed at one end inside the simulation equipment 1, a turning tool 151 is simulated and displayed on the small carriage 15, a student rotates a large carriage 13 or a middle carriage 14 or a small carriage 15 corresponding to the first hand wheel 113 after adjusting a shaft moving correspondingly to the first hand wheel 113, the turning tool 151 moves along with the small carriage 15, and when the turning tool 151 is in contact with the workpiece 116, the AR glasses 3 simulate and display the picture turned by the workpiece 116 until the workpiece 116 is machined into a specified shape, and then a teaching course is completed.
In the scene of simulating the numerical control lathe, after the turning program is input by pressing the numerical control panel 112, the AR glasses 3 simulate the rotating speeds of the lathe spindle 115 and the workpiece 116 and the motion trajectory of the turning tool 151 along with the turning program, and a teaching course is completed until the turning program finishes running.
In the scene of simulating the numerical control lathe, if the student opens the movable protective door 12 or the turning tool 151 touches the simulated lathe spindle 115, the tutorial is immediately ended, wherein the scene that the turning tool 151 and the lathe spindle 115 are damaged is simulated and displayed when the turning tool 151 touches the simulated lathe spindle 115, and then the process is ended.
Closing the movable protective door 12, taking out a second hand wheel 114 corresponding to the numerically controlled lathe, rotating the second hand wheel 114, simulating and displaying a scene of the numerically controlled milling machine by the AR glasses 3, simulating and displaying a rotating milling machine spindle 117 and a milling cutter 118 at the middle position of the top end in the simulation equipment 1, simulating and displaying a workpiece 116 on the small carriage 15, adjusting a correspondingly moving shaft of the second hand wheel 114 by a student, rotating the second hand wheel 114 and the corresponding spindle or large carriage 13 or medium carriage 14 or small carriage 15 to make linear motion therewith, moving the milling cutter 118 along with the spindle, moving the workpiece 116 along with the small carriage 15, simulating and displaying a picture milled by the workpiece 116 by the AR glasses 3 when the milling cutter 118 is in contact with the workpiece 116 until the workpiece 116 is processed into a specified shape, and finishing a teaching course.
In a scene of simulating the numerical control milling machine, after the milling program is input by pressing the numerical control panel 112, the AR glasses 3 simulate the rotation speeds of the milling machine spindle 117 and the milling cutter 118 and the movement tracks of the milling cutter 118 and the workpiece 116 to be simulated along with the milling program, and a teaching course is completed until the operation of the milling program is finished.
In the scene of simulating the numerical control milling machine, if a student opens the movable protective door 12 or the small carriage 15 touches the simulated milling cutter 118, the course is immediately ended, wherein the scene that the milling cutter 118 and the small carriage 15 are damaged is simulated and displayed when the small carriage 15 touches the simulated milling cutter 118, and then the process is ended.
In the simulation process of the second step, the headphones 4 play corresponding sounds along with the simulated scene.
Fig. 1 shows a simulation device 1 for simulating a lathe training seen when the AR eyeglasses 3 are not worn, and fig. 2, 3, and 4 show a simulation device 1 for simulating a lathe training seen when the AR eyeglasses 3 are worn.
In another embodiment, in order to simulate the welding practice, the simulation device 1 is designed as a model of the welding device as shown in fig. 5 and 6, and includes: a weldment 101, a welding tongs 102, a welding rod 103, and a protective helmet 104.
In order to simulate the process that the welding rod 103 is continuously worn in the training process, the welding rod 103 is installed at one end of the electrode holder 102 and moves linearly at one end of the electrode holder 102.
In order to simulate the clamping of the welding rod 103 on the electrode holder 102 and embody the clamping function of the electrode holder 102, a clamping plate 1021 is elastically connected to one side surface of the electrode holder 102 close to the welding rod 103.
In order to enable the AR glasses 3 to simulate a more real training picture, the welding part 101, the welding tongs 102 and the welding rod 103 are electrically connected with the control host 111, and then the AR glasses 3 display the simulated picture according to data transmitted from the control host 111. And in this embodiment, in order to reduce the floor space, the control main unit 111 is fixedly installed below the welding members 101 as a work table of the welding members 101.
In a further embodiment, since the most important protective action in the welding practice is to protect the face and eyes using the protective mask 104, the position sensor 31 is mounted on the AR glasses 3 to detect the position of the protective mask 104.
In a further embodiment, the welding rod 103 is semi-cylindrical, a plurality of teeth are arranged on one flat side of the welding rod 103, a micro motor is fixedly arranged in the welding tongs 103, one end of the micro motor is rotatably connected with a gear meshed with the welding rod 103, and the micro motor is electrically connected with the control host 111.
In a further embodiment, because the practice of hand motion around the weldment 101 is the primary practice in welding practice, the motion capture camera 2 is mounted on only one side of the weldment 101 in order to reduce production costs.
The working principle of the simulated welding training is as follows: after the student wears the AR glasses 3 and the earphone 4, the weld for teaching can be seen by watching the welding part 101 through the AR glasses 3, the student holds the protective mask 104 with one hand and holds the welding tongs 102 with the other hand, then the tail end of the welding rod 103 on the welding tongs 102 is moved to the weld, the student moves the protective mask 104 to a position less than 200mm away from the AR glasses 3 before the distance between the tail end of the welding rod 103 and the welding part 101 is less than 1mm, then the tail end of the welding rod 103 is moved to a position less than 1mm away from the welding part 101, and at the moment, the AR glasses 3 simulate and display a scene generating strong light when watching welding through the protective mask 104.
If the student does not move the protective mask 104 to a position less than 200mm from the AR glasses 3 before the distance between the end of the welding rod 103 and the weld 101 is less than 1mm, the AR glasses 3 display a white picture simulating a scene in which the eyes can only see strong light under direct irradiation of strong light.
In the process of simulating welding, the welding rod 103 displaces along the axial direction along with the welding time to the direction far away from the welding part 101 so as to simulate the scene consumed by the welding rod 103 during welding, and a student needs to keep the position where the distance between the tail end of the welding rod 103 and the welding part 101 is smaller than 1mm all the time to ensure the normal operation of welding training.
The sensing distance of the position sensor 31 on the AR glasses 3 is 0-200 mm, and the position sensor is used for sensing whether the protective mask 104 reaches the position meeting the welding training.
In fig. 5, the simulation device 1 for simulating the welding training seen by wearing the AR glasses 3 is not shown, and fig. 6 is the simulation device 1 for simulating the welding training seen by wearing the AR glasses 3.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the embodiments, and various equivalent changes can be made to the technical solution of the present invention within the technical idea of the present invention, and these equivalent changes are within the protection scope of the present invention.

Claims (10)

1. A learning device for simulating practical training is characterized by comprising: the device comprises simulation equipment (1), AR glasses (3), earphones (4) and a motion capture camera (2);
the simulation equipment (1) has the appearance and the basic function similar to those of practical training equipment, the simulation equipment (1) further comprises a control host (111), and the AR glasses (3), the earphones (4) and the motion capture camera (2) are all electrically connected with the control host (111).
2. The learning equipment for simulating practical training according to claim 1, wherein a microphone is further connected to the earphone (4).
3. The learning equipment for simulating practical training according to claim 1, wherein the simulation equipment (1) is a mixed model of a common lathe, a numerically controlled lathe and a numerically controlled milling machine, and comprises: the numerical control machine tool comprises a machine tool body (11), a movable protective door (12) which is installed outside the machine tool body (11) and does linear motion, a large dragging plate (13), a middle dragging plate (14) and a small dragging plate (15) which are installed inside the machine tool body (11) and do linear motion, a large rotating wheel (16), a middle rotating wheel (17) and a small rotating wheel (18) which are respectively connected with one end of the large dragging plate (13), the middle dragging plate (14) and the small dragging plate (15) in a rotating mode, a numerical control panel (112) which is fixedly installed at one end of simulation equipment (1), and a first hand wheel (113) and a second hand wheel (114) which are installed on the simulation equipment (1) and are electrically connected with a control host (111), wherein the large dragging plate (13), the middle dragging plate (14) and the small dragging plate (15.
4. The learning equipment for simulating the practical training as claimed in claim 3, wherein the large rotating wheel (16), the middle rotating wheel (17) and the small rotating wheel (18) are respectively connected with the large carriage (13), the middle carriage (14) and the small carriage (15) in a rotating manner, the large carriage (13), the middle carriage (14) and the small carriage (15) are mounted in the lathe body through a linear motion mechanism, the large carriage (13) and the small carriage (15) have the same motion direction, and the middle carriage (14) is perpendicular to the large carriage (13) in motion direction.
5. The learning equipment for simulating practical training according to claim 3, wherein the motion capture cameras (2) are fixedly installed at two ends and the top of the simulation equipment (1) respectively.
6. Learning device for simulated training according to claim 1, characterized in that said simulation device (1) is a model of a welding device comprising: the welding structure comprises a welding piece (101), a welding clamp (102), a welding rod (103) and a protective mask (104), wherein the welding rod (103) moves linearly at one end of the welding clamp (102), one end side face, close to the welding rod (103), of the welding clamp (102) is elastically connected with a clamping plate (1021), and the welding piece (101), the welding clamp (102) and the welding rod (103) are electrically connected with a control host (111).
7. The learning equipment for simulating practical training according to claim 6, wherein a position sensor (31) electrically connected with a control host (111) is fixedly mounted on the AR glasses (3).
8. The learning equipment for simulating practical training according to claim 6, wherein the motion capture camera (2) is fixedly installed on one side of the welding part (101).
9. The method for simulating practical training of learning equipment according to claim 5, comprising: the method comprises the following steps that firstly, a control host (111) is started, a student wears AR glasses (3) in front of eyes, and wears an earphone (4) on ears;
secondly, selecting the machine tool to be learned,
opening a movable protective door (12) to rotate a large rotating wheel (16) or a middle rotating wheel (17) or a small rotating wheel (18), simulating and displaying a scene of a common lathe by AR glasses (3), simulating and displaying a rotating lathe spindle (115) and a workpiece (116) at one end in a simulation device (1), simulating and displaying a turning tool (151) on a small carriage (15), simulating and displaying a turning picture of the workpiece (116) by a student rotating the large rotating wheel (16) or the middle rotating wheel (17) or the small rotating wheel (18) and a corresponding large carriage (13) or a middle carriage (14) or the small carriage (15) to do linear motion therewith, moving the turning tool (151) along with the small carriage (15), simulating and displaying the turning picture of the workpiece (116) by the AR glasses (3) when the turning tool (151) is in contact with the workpiece (116) until the workpiece (116) is machined into a specified shape, completing a teaching course, and finishing the teaching course when the body of the student or the turning tool (151) touches the simulated lathe spindle (115) before the workpiece (116), when the turning tool (151) touches the simulated lathe spindle (115), simulating and displaying a scene that the turning tool (151) and the lathe spindle (115) are damaged, and then finishing the course;
closing the movable protective door (12), taking out a first hand wheel (113) corresponding to the numerically controlled lathe, rotating the first hand wheel (113), simulating and displaying a scene of the numerically controlled lathe by the AR glasses (3), simulating and displaying a rotating lathe spindle (115) and a workpiece (116) at one end inside the simulation equipment (1), simulating and displaying a turning tool (151) on the small carriage (15), adjusting a shaft which moves correspondingly by the first hand wheel (113), rotating the first hand wheel (113), and enabling the first hand wheel to move correspondingly to the large carriage (13) or the medium carriage (14) or the small carriage (15) to do linear motion with the first hand wheel, moving the turning tool (151) along with the small carriage (15), and simulating and displaying a picture of turning of the workpiece (116) by the AR glasses (3) when the turning tool (151) is in contact with the workpiece (116) until the workpiece (116) is machined into a specified shape, thereby completing a teaching course;
in a scene of simulating a numerical control lathe, after a turning program is input by pressing a numerical control panel (112), the AR glasses (3) simulate the rotating speeds of a lathe spindle (115) and a workpiece (116) and the motion track of a turning tool (151) along with the turning program, and a teaching course is completed until the turning program is finished;
in the scene of simulating the numerical control lathe, if a student opens the movable protective door (12) or the turning tool (151) touches the simulated lathe spindle (115), the course is immediately ended, wherein the process is ended after the scene that the turning tool (151) and the lathe spindle (115) are damaged is simulated and displayed when the turning tool (151) touches the simulated lathe spindle (115);
closing the movable protective door (12), taking out a second hand wheel (114) corresponding to the numerically controlled lathe, rotating the second hand wheel (114), simulating and displaying the scene of the numerically controlled milling machine by the AR glasses (3), the middle position of the top end inside the simulation device (1) simulates and displays a rotating milling machine main shaft (117) and a milling cutter (118), a workpiece (116) is displayed on the small carriage (15) in a simulated manner, a student rotates the second hand wheel (114) after adjusting a shaft of the second hand wheel (114) which moves correspondingly to a main shaft or a large carriage (13) or a medium carriage (14) or the small carriage (15) which corresponds to the second hand wheel (114) to do linear motion with the second hand wheel, the milling cutter (118) moves along with the main shaft, the workpiece (116) moves along with the small carriage (15), when the milling cutter (118) contacts with the workpiece (116), the AR glasses (3) simulate and display a picture milled by the workpiece (116) until the workpiece (116) is processed into a specified shape, and then a teaching course is completed;
in a scene of simulating the numerical control milling machine, after a milling program is input by pressing a numerical control panel (112), the AR glasses (3) simulate the rotating speeds of a milling machine spindle (117) and a milling cutter (118) and the motion tracks of the milling cutter (118) and a workpiece (116) along with the milling program, and a teaching course is completed until the operation of the milling program is finished;
in a scene of simulating the numerical control milling machine, a student opens the movable protective door (12) or a small carriage (15) touches the simulated milling cutter (118), and then immediately finishes a course, wherein when the small carriage (15) touches the simulated milling cutter (118), the process is simulated and displayed, and then the scene that the milling cutter (118) and the small carriage (15) are damaged is finished;
in the simulation process of the second step, the earphone (4) plays corresponding sound along with the simulation scene.
10. The method for simulating practical training of learning equipment according to claim 8, comprising: after a student wears AR glasses (3) and an earphone (4), the student watches a welding piece (101) through the AR glasses (3) to see a welding seam for teaching, one hand of the student holds a protective mask (104) and the other hand holds a welding clamp (102), then the tail end of a welding rod (103) on the welding clamp (102) moves towards the welding seam, before the distance between the tail end of the welding rod (103) and the welding piece (101) is less than 1mm, the student moves the protective mask (104) to a position less than 200mm away from the AR glasses (3), then the tail end of the welding rod (103) moves to a position less than 1mm away from the welding piece (101), and at the moment, the AR glasses (3) simulate and display a scene generating strong light when the student watches the welding through the protective mask (104);
if the student does not move the protective mask (104) to a position which is less than 200mm away from the AR glasses (3) before the distance between the tail end of the welding rod (103) and the welding part (101) is less than 1mm, the AR glasses (3) display a white picture to simulate a scene that eyes can only see strong light under the direct irradiation of the strong light;
in the process of simulating welding, the welding rod (103) moves away from the welding part (101) along the axial direction along with the welding time so as to simulate the scene consumed by the welding rod (103) during welding, and a student needs to keep the position where the distance between the tail end of the welding rod (103) and the welding part (101) is smaller than 1mm all the time to ensure the normal operation of welding training;
the sensing distance of a position sensor (31) on the AR glasses (3) is 0-200 mm, and the position sensor is used for sensing whether a protective mask (104) reaches a position meeting welding practical training.
CN201910940188.0A 2019-09-30 2019-09-30 Learning equipment for simulating practical training and simulated practical training method Pending CN110782723A (en)

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Publication number Priority date Publication date Assignee Title
CN101239403A (en) * 2008-03-17 2008-08-13 吉林省鸿源机床制造有限责任公司 Digital control helical turning-milling machine
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