An automated three-dimensional detection device based on machine learning

Abstract

The present invention relates to the field of three-dimensional detection technology, and in particular to an automated three-dimensional detection device based on machine learning, comprising a workbench, a mechanical arm and an information collection mechanism; a rotating assembly comprising a turntable and a buffer plate, a positioning assembly comprising a clamping arm; a fixing assembly comprising a conical hole and a sphere, wherein a workpiece to be inspected is automatically positioned after being placed on the buffer plate, the workpiece to be inspected is fixed by negative pressure in the conical hole, the placement posture of the workpiece to be inspected is judged by the tilting posture of the resistance plate, automatic recognition and correction are achieved, the positioning accuracy of the workpiece to be inspected is improved, and the detection efficiency and detection accuracy are improved at the same time, the stroke of the clamping arm is automatically adjusted according to the weight of the workpiece to be inspected, the force of adjustment, correction and limiting is adjusted to prevent centrifugal dislocation, error correction is achieved according to information detected by the information collection mechanism, a model is constructed and compared with a preset digital analog product, and a starting unit can control the start of the automated three-dimensional detection device according to the placement posture, thereby avoiding measurement errors caused by placement deviations.

Description

Technical Field

[0001] The present invention relates to the field of three-dimensional detection technology, and in particular to an automated three-dimensional detection device based on machine learning. Background Art

[0002] When conducting all-round three-dimensional inspection on the product, the turntable on which the product is placed will be set up as a rotating structure. Specifically, a power source will be set on the axial direction of the turntable to drive the turntable to rotate, and then the robotic arm will drive the inspection equipment to move, thereby achieving all-round inspection.

[0003] At the same time, products often need to be inspected for quality. In order to prevent workers from placing the workpiece incorrectly, industrial cameras are added to identify the position of the workpiece and preset the front and back sides. This will inevitably affect the inspection efficiency of the product. Therefore, while ensuring that the inspection results and the digital-analog error are small, it is extremely important to improve the inspection efficiency of the workpiece placement, automatically identify and match different parts and their corresponding placement positions, not start the program when the position is wrong, and set a one-button start for automatic operation after the correct placement.

[0004] The existing Chinese patent application with authorization announcement number CN219776658U discloses a three-dimensional target detection device, including a fixed frame, support plates are fixed on the left and right sides of the fixed frame, the detection device body is installed on the top of the support plate, the front and rear sides of the inner wall of the fixed frame are slidably connected with the workbench body, the surface of the top of the workbench body is fixed with a fixing clamp, the back of the fixed frame is fixed with a motor, and the internal rotation of the fixed frame is connected with a threaded rod; it has multiple workstations, when the equipment performs coordinate detection, another staff member can place the mechanical parts to be detected on the equipment in advance, when the detection is completed, the workstation can be directly switched, which effectively improves the detection efficiency, and the detection equipment also has a lifting function, which is convenient for moving heavier mechanical parts to the detection table, providing convenience for the staff's detection work.

[0005] In addition, a patent application with publication number CN116989878A discloses an automated three-dimensional detection device with a turntable with a weighing function; it includes a workbench, a robotic arm is arranged on the workbench, an information collection mechanism is carried on the end of the robotic arm, a turntable is also arranged on the workbench, a bottom structure is arranged under the turntable, and the bottom structure includes at least a driving part, a weighing sensor, a weighing plate and a supporting part. The driving part is carried on the weighing plate, and the turntable is isolated from the weighing sensor by means of the driving part. In this way, while the turntable rotates, the weighing sensor can also detect the pressure on the weighing plate.

[0006] However, it was found in actual use that when measuring other parameters of the workpiece to be inspected, a major factor affecting the detection accuracy of the workpiece to be inspected in the above scheme is the placement of the workpiece to be inspected, and it is not easy to determine whether the placement of the workpiece to be inspected meets the requirements by naked eyes. Direct measurement will cause large errors and affect subsequent parameter detection. In addition, the current scheme uses manual assisted placement, which is time-consuming and has poor positioning accuracy. Therefore, a device is needed to locate the placement position of the workpiece to be inspected without affecting the detection efficiency. Summary of the invention

[0007] In view of the above problems in the prior art, the present invention is proposed.

[0008] In order to solve the above technical problems, the present invention provides the following technical solutions: an automated three-dimensional detection device based on machine learning, comprising a workbench, a mechanical arm is arranged on the workbench, and an information collection mechanism is mounted on the end of the mechanical arm;

[0009] The rotating assembly includes a rotating disk arranged on the workbench, a buffer disk is slidably arranged on the rotating disk, a workpiece to be inspected is arranged on the rotating disk and rotates synchronously, and the buffer disk slides downward for buffering after the workpiece to be inspected is placed;

[0010] A positioning assembly, comprising clamping arms arranged along the circumference of the buffer tray, wherein at least three clamping arms are provided, and when the buffer tray slides downward, each of the clamping arms is driven to synchronously move toward the workpiece to be inspected and fit therewith;

[0011] The fixed assembly includes a conical hole opened on the buffer tray, in which a ball is slidably arranged. When the workpiece to be inspected is placed on the buffer tray, the ball is pushed to slide downward along the conical hole, and the workpiece to be inspected fits the buffer tray under the negative pressure adsorption of the conical hole.

[0012] As a preferred solution of the automated three-dimensional inspection device based on machine learning described in the present invention, it also includes a detection module, which is used to control the information acquisition mechanism to collect image data of the workpiece to be inspected placed on the workbench, and extract image features from the image data, and provide them as input to the trained AI detection model to generate a corresponding three-dimensional model.

[0013] As a preferred solution of the automatic three-dimensional detection device based on machine learning described in the present invention, the detection module is also provided with a starting unit, which can collect the dumping posture information of the workpiece to be inspected according to the position sensor and control the start and stop of the detection module.

[0014] As a preferred solution of the automated three-dimensional detection device based on machine learning described in the present invention, wherein: a driving ring is also rotatably provided on the upper end surface of the turntable, a fan-shaped groove is opened on the driving ring, a hollow sleeve is rotatably provided in the fan-shaped groove, and the clamping arm slides through the hollow sleeve.

[0015] As a preferred solution of the automatic three-dimensional detection device based on machine learning of the present invention, wherein: the end of the clamping arm located inside the driving ring is provided with a clamping wheel, and the end of the clamping arm located outside the driving ring is rotatably connected to the turntable;

[0016] The end of the sphere away from the workpiece to be inspected is rotatably engaged with a support shaft, the outer wall of the support shaft is sleeved with a first elastic member, and both end surfaces of the first elastic member are respectively connected to the buffer disk and the rotating disk.

[0017] As a preferred solution of the automated three-dimensional detection device based on machine learning described in the present invention, wherein: a rotating shaft is also provided at the lower end of the turntable, a swinging plate is provided at one end face of the rotating shaft, a swinging shaft is vertically slidably provided on the swinging plate, a pipe sleeve is vertically provided on the end face of the swinging shaft, a connecting rod is provided on the outer wall of the driving ring, and the sliding sleeve on the outer wall of the connecting rod is provided with the pipe sleeve.

[0018] As a preferred solution of the automatic three-dimensional detection device based on machine learning of the present invention, wherein: a load-bearing rod is slidably provided under the turntable, a second elastic member is sleeved on the outer wall of the load-bearing rod, a platform is provided on the lower end surface of the load-bearing rod, and a universal ball is provided on the upper end surface of the platform;

[0019] The upper end surface of the universal ball is provided with a contact plate, and the end of the support shaft that slides out of the turntable is provided with a rotating wheel. When the buffer plate slides down, the rotating wheel moves and fits to the surface of the contact plate.

[0020] As a preferred solution of the automatic three-dimensional detection device based on machine learning of the present invention, wherein: the lower end surface of the abutment plate is rotatably provided with a first rocker and a second rocker, two of the first rocker and two of the second rocker are symmetrically provided, a first balance bar is rotatably provided between the two first rockers, and a second balance bar is rotatably provided between the two second rockers;

[0021] A first gear is disposed at the center of the first balancing pole through a universal joint, a bevel gear is disposed at the center of the second balancing pole through a universal joint, a second gear is disposed at the other end of the bevel gear, and a third gear is disposed at the end of the rotating shaft.

[0022] As a preferred solution of the automated three-dimensional detection device based on machine learning described in the present invention, wherein: the end face of the rotating shaft is provided with a slider, the end face of the swing plate is provided with a slide groove, the slider is slidably arranged inside the slide groove, and adjustment rods are provided at both ends of the slider.

[0023] As a preferred solution of the automated three-dimensional detection device based on machine learning described in the present invention, wherein: the upper and lower ends of the adjusting rod slide through the inner wall of the slide groove respectively, and the outer wall of the adjusting rod is also sleeved with a third elastic member, and the two end surfaces of the third elastic member are respectively connected to the inner wall of the slide groove and the slider.

[0024] The beneficial effects of the present invention are as follows: the workpiece to be inspected is automatically positioned after being placed on the buffer disk, and the workpiece to be inspected is fixed by negative pressure adsorption in the cone hole. The placement posture of the workpiece to be inspected is judged by the tilting posture of the resistance disk, and the positioning accuracy of the workpiece to be inspected is improved according to the automatic recognition and correction of the placement posture of the workpiece to be inspected, while the detection efficiency and detection accuracy are improved. According to the weight of the workpiece to be inspected, the stroke of the clamping arm is automatically adjusted, and the correction and limit forces are adjusted to prevent the workpiece to be inspected that is too heavy from being centrifugally dislocated during rotation, and the information is detected according to the information collection mechanism, and the model is constructed and compared with the preset digital model product to realize error correction, and the starting unit can control the start of the automated three-dimensional detection device according to the placement posture, thereby reducing the measurement error caused by the placement deviation. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. Among them:

[0026] Figure 1 It is an overall schematic diagram of the automated three-dimensional detection device based on machine learning in the present invention;

[0027] Figure 2 It is an enlarged view of the internal structure of the fixed assembly in the present invention;

[0028] Figure 3 It is a schematic diagram of the internal structure of the positioning assembly in the present invention;

[0029] Figure 4 It is a schematic diagram of the structure of the first balancing arm and the first rocker arm in the present invention;

[0030] Figure 5 It is a schematic diagram of the internal structure of the turntable in the present invention;

[0031] Figure 6 For the present invention Figure 5 Schematic diagram of the structure of region A;

[0032] Figure 7 It is a schematic diagram of the external structure of the driving ring in the present invention;

[0033] Figure 8 It is a schematic diagram of the swing plate area structure in the present invention.

[0034] Reference numerals: 100, workbench; 1001, load-bearing rod; 1002, second elastic member; 1003, platform; 1004, universal ball; 1005, contact plate; 1006, rotating wheel; 1007, first rocker; 1008, second rocker; 1009, first balance bar; 101, mechanical arm; 1011, second balance bar; 1012, first gear; 1013, second gear; 1014, bevel gear; 1015, third gear; 102, information collection mechanism;

[0035] 200, rotating disk; 2001, driving ring; 2002, fan-shaped groove; 2003, hollow sleeve; 2004, clamping wheel; 2005, supporting shaft; 2006, first elastic member; 2007, rotating shaft; 2008, swinging disk; 2009, swinging shaft; 201, buffer disk; 2011, connecting rod; 2012, pipe sleeve;

[0036] 300, clamping arm; 3001, slider; 3002, slide slot; 3003, adjustment rod; 3004, third elastic member;

[0037] 400. Cone hole; 401. Sphere. DETAILED DESCRIPTION

[0038] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0039] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0040] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0041] Example 1

[0042] Reference Figure 1 to Figure 8, which is the first embodiment of the present invention, provides an automated three-dimensional inspection device based on machine learning, including a workbench 100, a rotating assembly, a positioning assembly and a fixing assembly. After the workpiece to be inspected is placed on the buffer tray 201, it is automatically positioned, and at the same time, the workpiece to be inspected is fixed by negative pressure adsorption in the tapered hole 400. After the fixation is completed, the clamping arm 300 automatically withdraws to prevent the information collection of the information collection mechanism 102 from being blocked.

[0043] Specifically, it includes a workbench 100, on which a mechanical arm 101 is disposed, and an information collection mechanism 102 is mounted at the end of the mechanical arm 101;

[0044] The rotating assembly includes a rotating disk 200 rotating on the workbench 100, a buffer disk 201 slidingly arranged on the rotating disk 200, a workpiece to be inspected is arranged on the rotating disk 200 and rotates synchronously, and the buffer disk 201 slides downward for buffering after the workpiece to be inspected is placed;

[0045] The positioning assembly includes a clamping arm 300 arranged along the circumference of the buffer tray 201. There are at least three clamping arms 300. When the buffer tray 201 slides downward, each clamping arm 300 is driven to move synchronously toward the workpiece to be inspected and fit therewith;

[0046] The fixed assembly includes a conical hole 400 opened on the buffer tray 201, and a ball 401 is slidably provided in the conical hole 400. When the workpiece to be inspected is placed on the buffer tray 201, the ball 401 is pushed to slide downward along the conical hole 400, and the workpiece to be inspected fits with the buffer tray 201 under the negative pressure adsorption of the conical hole 400.

[0047] The information collection mechanism 102 may use a scanner to scan the external parameters of the workpiece to be inspected, or may use an industrial camera to perform visual image collection on the workpiece to be inspected. In other embodiments, the type of installation equipment may be changed according to usage requirements.

[0048] It also includes a detection module, which is used to control the information acquisition mechanism 102 to collect image data of the workpiece to be inspected placed on the workbench 100, and extract useful image features from the image data, and provide them as input to the trained AI detection model to generate a corresponding three-dimensional model.

[0049] Preferably, when the turntable 200 rotates, it drives the workpiece to be inspected to rotate synchronously in the horizontal plane, and the mechanical arm 101 drives the information collection mechanism 102 to move in the vertical plane, thereby achieving all-round inspection of the product.

[0050] Preferably, the information collection unit 102 first scans the surface data of the product and compares it with a pre-made digital model product, using the parameters of the digital model product as a standard to visually see the difference in processing parameters. If the error exceeds the required level, it needs to be returned for processing or correction.

[0051] In other embodiments, the turntable 200 also has a weighing function, which is used to control the weight of the product within a set tolerance range. If it is unqualified, it needs to be returned for reprocessing or correction.

[0052] More preferably, a driving ring 2001 is rotatably provided on the upper end surface of the turntable 200 , a fan-shaped groove 2002 is provided on the driving ring 2001 , a hollow sleeve 2003 is rotatably provided in the fan-shaped groove 2002 , and the clamping arm 300 slides through the hollow sleeve 2003 .

[0053] The end of the clamping arm 300 located inside the driving ring 2001 is provided with a clamping wheel 2004 , and the end of the clamping arm 300 located outside the driving ring 2001 is rotatably connected to the turntable 200 .

[0054] The driving ring 2001 is a hollow circular ring, and the number of the fan-shaped grooves 2002 is the same as that of the clamping arm 300. In this embodiment, three fan-shaped grooves 2002 are arranged in a circular array on the driving ring 2001, and the outer wall of the hollow sleeve 2003 is rotatably connected to the inner wall of the fan-shaped groove 2002.

[0055] Furthermore, the clamping arm 300 is in the shape of a long rod, and the centers of the three clamping wheels 2004 are located on the same circumference. When the driving ring 2001 rotates, the three clamping wheels 2004 are driven to swing synchronously, thereby adjusting the radius length of the circumference.

[0056] The conical hole 400 is in the shape of a cone, and the end of the conical hole 400 close to the workpiece to be inspected has a smaller diameter. The conical holes 400 are distributed in a circular array on the buffer disk 201, and the cavity between the buffer disk 201 and the turntable 200 is under negative pressure.

[0057] More preferably, the end of the sphere 401 away from the workpiece to be inspected is rotatably engaged with a support shaft 2005, and the outer wall of the support shaft 2005 is sleeved with a first elastic member 2006, and both end surfaces of the first elastic member 2006 are respectively connected to the buffer disk 201 and the turntable 200.

[0058] Among them, the first elastic member 2006 is a spring, and the support shaft 2005 is arranged perpendicular to the buffer disk 201 and the turntable 200. After the workpiece to be inspected is placed on the buffer disk 201, the ball 401 is pressed to slide downward along the cone hole 400, so that a gap is generated between the cone hole 400 and the ball 401. Under the action of negative pressure, the workpiece to be inspected is adsorbed and adhered to the surface of the buffer disk 201.

[0059] Preferably, a rotating shaft 2007 is further provided at the lower end of the turntable 200, a swinging plate 2008 is provided on one end face of the rotating shaft 2007, a swinging shaft 2009 is vertically slidably provided on the swinging plate 2008, a pipe sleeve 2012 is vertically provided on the end face of the swinging shaft 2009, a connecting rod 2011 is provided on the outer wall of the driving ring 2001, and a pipe sleeve 2012 is provided on the sliding sleeve of the outer wall of the connecting rod 2011.

[0060] More preferably, in this embodiment, a rack is provided on the lower end face of the support shaft 2005. The longer the support shaft 2005 moves downward, the greater the negative pressure and the stronger the adsorption force. When sliding downward, the rack drives the rotating shaft 2007 to rotate. The connecting rod 2011 is an L-shaped long rod and the downward end is a round rod. An arc groove coaxial with the drive ring 2001 is opened on the turntable 200. The connecting rod 2011 slides along the inner wall in the arc groove and drives the drive ring 2001 to rotate.

[0061] Among them, the swing shaft 2009 is eccentrically arranged vertically on the end face of the swing disk 2008, and the other end face is perpendicular to the axis of the sleeve 2012. Therefore, when the rotating shaft 2007 drives the swing disk 2008 to rotate, the connecting rod 2011 is driven to swing through the swing shaft 2009 and the sleeve 2012, and finally drives the driving ring 2001 to rotate.

[0062] Among them, the rotating assembly and the positioning assembly are made of transparent plastic materials to minimize the light obstruction to the information collection mechanism 102, and at the same time increase the interlock between the placement posture of the workpiece to be inspected and the start-up of the automated three-dimensional detection device. The sensor automatically identifies the placement positions of different workpieces to be inspected, and does not start the program when the position is wrong. After the placement is correct, it starts automatic operation with one button, ensuring the accuracy of the placement posture of the workpiece to be inspected on the turntable. While ensuring the efficiency of comparing the detection results with the digital-analog error, the detection efficiency of the workpiece placement position is improved.

[0063] In summary, if Figure 1-Figure 8 As shown, when in use, after the workpiece to be inspected is placed on the buffer tray 201, the weight presses the buffer tray 201 to slide downward, and at the same time, the rotating shaft 2007 is driven to rotate through the rack. In the first half circle of the rotation of the rotating shaft 2007, the swinging shaft 2009 is driven to rotate clockwise through the swinging tray 2008, and rotates from the leftmost side to the rightmost side of the swinging tray 2008. In this process, the connecting rod 2011 is driven to rotate counterclockwise along the arc groove, so that the hollow sleeve 2003 drives the three clamping arms 300 to move synchronously toward the center of the circle until they are in contact with the surface of the workpiece to be inspected, and pushes the workpiece to be inspected to move to the center of the circle of the buffer tray 201 for positioning.

[0064] At the same time, when the clamping positioning of the clamping arm 300 reaches the maximum limit, the swing shaft 2009 begins to move from the rightmost side of the swing disk 2008 to the leftmost side, releasing the clamping limit of the workpiece to be inspected, and as the support shaft 2005 moves downward, the negative pressure intensity increases, and the adsorption force on the workpiece to be inspected is enhanced, thereby keeping the position of the workpiece to be inspected stationary, realizing auxiliary positioning and automatic fixation of the workpiece to be inspected, facilitating subsequent information collection, and preventing the workpiece to be inspected from moving and misaligning when the buffer disk 201 rotates, resulting in large measurement errors. At the same time, the clamping arm 300 automatically withdraws after auxiliary positioning to prevent the information collection process of the information collection mechanism 102 from being blocked.

[0065] Example 2

[0066] Reference Figure 1 to Figure 8 , which is the second embodiment of the present invention. This embodiment is based on the previous embodiment, but differs in that the placement posture of the workpiece to be inspected is judged by the tilting posture of the resistance plate 1005, and automatic recognition and correction of the placement posture of the workpiece to be inspected are achieved, thereby improving the positioning accuracy of the workpiece to be inspected, and at the same time improving the detection efficiency and detection accuracy.

[0067] Specifically, a load-bearing rod 1001 is slidably provided below the turntable 200 , a second elastic member 1002 is sleeved on the outer wall of the load-bearing rod 1001 , a platform 1003 is provided on the lower end surface of the load-bearing rod 1001 , and a universal ball 1004 is provided on the upper end surface of the platform 1003 .

[0068] The upper end surface of the universal ball 1004 is provided with a contact plate 1005 , and the end of the support shaft 2005 that slides out of the turntable 200 is provided with a rotating wheel 1006 . When the buffer plate 201 slides down, the rotating wheel 1006 moves and fits to the surface of the contact plate 1005 .

[0069] The lower end surface of the abutment plate 1005 is rotatably provided with a first rocker arm 1007 and a second rocker arm 1008, two of the first rocker arms 1007 and the second rocker arms 1008 are symmetrically provided, a first balance bar 1009 is rotatably provided between the two first rockers 1007, and a second balance bar 1011 is rotatably provided between the two second rockers 1008.

[0070] The two first rocking arms 1007 are symmetrically arranged on both sides of the abutment plate 1005 with respect to the universal ball 1004 . The second rocking arm 1008 is longer than the first rocking arm 1007 . The first balancing arm 1009 is located above the second balancing arm 1011 .

[0071] Furthermore, the universal ball 1004 is a universal joint, and the contact plate 1005 is movably arranged on the platform 1003 through the universal ball 1004. The contact plate 1005 is placed horizontally in an initial state, and the second elastic member 1002 is also a spring.

[0072] The elastic coefficient of the second elastic member 1002 is three times that of the first elastic member 2006 , that is, when the workpiece to be inspected moves, the first elastic member 2006 is moved earlier than the second elastic member 1002 , and the compression distance of the first elastic member 2006 is much greater than the stretching distance of the second elastic member 1002 .

[0073] Exemplarily, the conical holes 400 are distributed in a circular array on the buffer tray 201. According to the distribution position of the workpiece to be inspected on the buffer tray 201, the spheres 401 in the conical holes 400 in the corresponding areas are pressed to move downward. Similarly, the support shafts 2005 in the corresponding areas move downward and fit with the abutment tray 1005. At the same time, gaps appear in the conical holes 400 in the corresponding areas, and the workpiece to be inspected begins to be adsorbed and fit onto the buffer tray 201.

[0074] More preferably, when the support shaft 2005 of the corresponding area of ​​the workpiece to be inspected presses downward against the contact plate 1005, the center of the circle of the workpiece to be inspected on the buffer plate 201 is used as the fulcrum of the lever. When the workpiece to be inspected deviates toward a certain area, the number of support shafts 2005 in that area increases, and the resultant force applied to the contact plate 1005 causes the contact plate 1005 to swing toward that area around the universal ball 1004, thereby realizing the detection and judgment of the setting position of the workpiece to be inspected.

[0075] More preferably, a first gear 1012 is provided at the center of the first balance pole 1009 through a universal joint, a bevel gear 1014 is provided at the center of the second balance pole 1011 through a universal joint, a second gear 1013 is provided at the other end of the bevel gear 1014, and a third gear 1015 is provided at the end of the rotating shaft 2007.

[0076] Among them, in this embodiment, there are two third gears 1015, and the two third gears 1015 are respectively connected to the two rotating shafts 2007, and are respectively meshed with the first gear 1012 and the second gear 1013. The first gear 1012 and the second gear 1013 are both rotatably arranged on the platform 1003 through the bearing seat, so that the first balance bar 1009 and the second balance bar 1011 are both swung and rotated around the center position.

[0077] Exemplarily, the abutment plate 1005 forms a parallelogram with the first balance bar 1009 and the two first rocker arms 1007, respectively. The parallelogram rotates and moves around the center of the abutment plate 1005 and the center point of the first balance bar 1009. When the workpiece to be inspected is set to a certain area, the parallelogram in that direction will tilt toward the heavier direction.

[0078] In summary, when in use, after the workpiece to be inspected is placed on the buffer tray 201, it is pressed downward to slide as a whole. At the same time, according to the distribution position of the workpiece to be inspected on the buffer tray 201, pressure is applied to make the sphere 401 in the cone hole 400 of the corresponding area move downward, and the support shaft 2005 of the corresponding area moves downward and fits with the contact tray 1005. After the support shaft 2005 of the corresponding area of ​​the workpiece to be inspected is downwardly abutted against the contact tray 1005, the center of the circle of the workpiece to be inspected on the buffer tray 201 is used as the fulcrum of the lever. When the workpiece to be inspected deviates to a certain area, the number of support shafts 2005 in this area increases, and the resultant force applied to the contact tray 1005 makes the contact tray 1005 swing toward this area around the universal ball 1004, thereby realizing the judgment of the accuracy of the placement position of the workpiece to be inspected, and the tipping posture information is collected and transmitted to the detection module through the position sensor. When there is tipping posture information, the detection module does not work. When the tipping posture information does not exist, it proves that the workpiece to be inspected is at the set position, and the detection module is automatically turned on and automatically runs for measurement.

[0079] Similarly, when the abutment plate 1005 flips and tilts with the second balance bar 1011 as the axis, the parallelogram formed by the two first rocking arms 1007 and the first balance bar 1009 tilts accordingly, so that the first gear 1012 on the second balance bar 1011 rotates, driving the third gear 1015 meshing therewith to rotate, thereby rotating the rotating shaft 2007, and correcting the placement posture of the workpiece to be inspected through the clamping arm 300 until there is no tipping posture information, and the detection module starts to run, thereby realizing automatic recognition and correction of the placement posture of the workpiece to be inspected, thereby improving the positioning accuracy of the workpiece to be inspected, and at the same time improving the detection efficiency and detection accuracy.

[0080] Example 3

[0081] Reference Figure 1-Figure 8 , which is the third embodiment of the present invention, is based on the previous embodiment, but differs in that the stroke of the clamping arm 300 is automatically adjusted according to the weight of the workpiece to be inspected, and the correction and limiting forces are adjusted to prevent the workpiece to be inspected that is too heavy from being centrifugally dislocated during rotation.

[0082] Specifically, a slider 3001 is provided on the end surface of the rotating shaft 2007 , a slide groove 3002 is provided on the end surface of the swing plate 2008 , the slider 3001 is slidably arranged inside the slide groove 3002 , and adjustment rods 3003 are provided at both ends of the slider 3001 .

[0083] More preferably, the upper and lower ends of the adjusting rod 3003 slide through the inner wall of the slide groove 3002 respectively, and the outer wall of the adjusting rod 3003 is also sleeved with a third elastic member 3004, and the two end surfaces of the third elastic member 3004 are respectively connected to the inner wall of the slide groove 3002 and the slider 3001.

[0084] Among them, the slide groove 3002 is set at the center of the swing plate 2008, and the third elastic member 3004 is a spring. In the initial state, the slider 3001 is located at the center of the slide groove 3002. At this time, when the rotating shaft 2007 rotates, it drives the swing plate 2008 to make a circular motion.

[0085] Among them, when the weight of the workpiece to be inspected is large, the buffer plate 201 slides downward a large distance, thereby driving the resistance plate 1005 and the platform 1003 to overcome the resistance of the second elastic member 1002 and move downward as a whole for a certain distance. At this time, the rotating shaft 2007 and the slider 3001 also synchronously overcome the resistance of the third elastic member 3004 and move downward, so that the rotating shaft 2007 drives the swing plate 2008 to perform eccentric circular motion.

[0086] Furthermore, when the swing plate 2008 performs eccentric circular motion, the swing stroke of the swing shaft 2009 increases, thereby increasing the stroke of the sleeve 2012 and the connecting rod 2011, and finally increasing the correction and limiting force for the workpiece to be inspected through the clamping arm 300, thereby preventing the workpiece to be inspected that is too heavy from being centrifugally dislocated during rotation.

[0087] Example 4

[0088] Reference Figure 1-Figure 8 , which is the fourth embodiment of the present invention. This embodiment is based on the previous embodiment, but differs in that the detection module also includes information processing logic and a starting unit, which can detect information according to the information acquisition mechanism 102, build a model and compare it with the preset digital model product to achieve error correction, and the starting unit can control the start of the automated three-dimensional detection device according to the placement posture, thereby reducing the measurement error caused by the placement deviation.

[0089] The information processing logic is used to receive image data for preprocessing, and use machine learning algorithms to train AI detection models, and finally compare the actual measurement parameters with pre-made digital analog products to achieve error correction of the workpiece to be inspected, specifically including:

[0090] S1: Data preprocessing, cleaning and preprocessing the data related to the workpiece to be inspected collected by the information collection agency 102, and processing missing values ​​to make it meet the requirements of model training.

[0091] S2: Feature extraction and model selection: Extract useful features from the raw data, record them and input them into the machine learning algorithm, and select the machine learning model based on the specific requirements set by the detection project.

[0092] S3: Model training: Use training data to train the model until the model learns to identify patterns and regularities from the data; Model evaluation: Then use test data to evaluate the performance of the model, verify the accuracy and generalization ability of the model, and adjust and optimize the model based on the evaluation results to improve its performance.

[0093] S4: Implementation and comparison.

[0094] Finally, the trained AI detection model is deployed in actual applications, and real-time modeling is performed based on the data input by the information collection agency 102. Finally, the model parameters of the workpiece to be inspected are obtained and compared with the pre-made digital model products. The parameters of the digital model products are used as the standard to compare them to intuitively see the difference in processing parameters. If the required error is exceeded, it needs to be returned for processing or correction.

[0095] The starting unit can collect the tipping posture information of the workpiece to be inspected according to the position sensor arranged on the contact plate 1005, and identify and match different workpieces to be inspected and placement positions according to the posture tipping information, so as to prevent the workpiece from being taken incorrectly or placed incorrectly. When the placement is wrong, a warning will pop up and the program will not be started. After the placement is correct, it will start automatic operation with one click.

[0096] Among them, the tipping posture information is collected by the position sensor and transmitted to the detection module. When the tipping posture information exists, the detection module does not work. When the tipping posture information does not exist, it proves that the workpiece to be inspected is at the set position. The detection module automatically starts and automatically runs for measurement.

[0097] Importantly, it should be noted that the construction and arrangement of the present application shown in a number of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, changes in orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of the element may be inverted or otherwise changed, and the nature or number or position of the discrete element may be altered or changed. Therefore, all such modifications are intended to be included within the scope of the present invention. The order or sequence of any process or method steps may be changed or reordered according to an alternative embodiment. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and is not only structurally equivalent but also equivalent structure. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present invention. Therefore, the invention is not limited to a specific embodiment, but extends to numerous modifications still falling within the scope of the appended claims.

[0098] Additionally, in order to provide a concise description of exemplary embodiments, all features of an actual embodiment may not be described (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those features that are not relevant to implementing the invention).

[0099] It will be appreciated that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will be a routine task of design, fabrication, and production for those of ordinary skill having the benefit of this disclosure without undue experimentation.

[0100] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. An automated three-dimensional detection device based on machine learning, characterized in that: include: A workbench (100), wherein a mechanical arm (101) is arranged on the workbench (100), and an information collection mechanism (102) is mounted on the end of the mechanical arm (101); The rotating assembly comprises a rotating disk (200) arranged on the workbench (100) for rotation, a buffer disk (201) being slidably arranged on the rotating disk (200), a workpiece to be inspected being arranged on the rotating disk (200) and rotating synchronously, and the buffer disk (201) sliding downwards for buffering after the workpiece to be inspected is placed; A positioning assembly, comprising a clamping arm (300) arranged along the circumference of the buffer plate (201), wherein at least three clamping arms (300) are provided, and when the buffer plate (201) slides downward, each of the clamping arms (300) is driven to synchronously move toward the workpiece to be inspected and fit therewith; The fixing assembly comprises a conical hole (400) formed on the buffer plate (201), a spherical body (401) being slidably disposed in the conical hole (400), and when the workpiece to be inspected is placed on the buffer plate (201), the spherical body (401) is pushed to slide downward along the conical hole (400), and the workpiece to be inspected is attached to the buffer plate (201) under the negative pressure adsorption of the conical hole (400); It also includes a detection module, which is used to control the information collection mechanism (102) to collect image data of the workpiece to be inspected placed on the workbench (100), extract image features from the image data, and provide them as input to the trained AI detection model to generate a corresponding three-dimensional model; The detection module is also provided with a starting unit, which can collect the dumping posture information of the workpiece to be detected according to the position sensor and control the start and stop of the detection module.

2. The automatic three-dimensional detection device based on machine learning according to claim 1, characterized in that: Also includes: A driving ring (2001) is rotatably provided on the upper end surface of the rotating disk (200), a fan-shaped groove (2002) is provided on the driving ring (2001), a hollow sleeve (2003) is rotatably provided in the fan-shaped groove (2002), and the clamping arm (300) slides through the hollow sleeve (2003).

3. The automated three-dimensional detection device based on machine learning as claimed in claim 2, characterized in that: A clamping wheel (2004) is provided at one end of the clamping arm (300) located inside the driving ring (2001), and an end of the clamping arm (300) located outside the driving ring (2001) is rotatably connected to the rotating disk (200); A support shaft (2005) is rotatably engaged with one end of the sphere (401) away from the workpiece to be inspected, a first elastic member (2006) is sleeved on the outer wall of the support shaft (2005), and both end surfaces of the first elastic member (2006) are respectively connected to the buffer disk (201) and the rotating disk (200).

4. The automated three-dimensional detection device based on machine learning as claimed in claim 3, characterized in that: The lower end of the rotating disk (200) is also provided with a rotating shaft (2007), one end surface of the rotating shaft (2007) is provided with a swinging disk (2008), a swinging shaft (2009) is vertically slidably provided on the swinging disk (2008), a pipe sleeve (212) is vertically provided on the end surface of the swinging shaft (2009), a connecting rod (211) is provided on the outer wall of the driving ring (2001), and the outer wall of the connecting rod (2011) is slidably sleeved with the pipe sleeve (2012).

5. The automatic three-dimensional detection device based on machine learning as claimed in claim 4, characterized in that: A load-bearing rod (1001) is slidably provided below the rotating disk (200), a second elastic member (1002) is sleeved on the outer wall of the load-bearing rod (1001), a platform (1003) is provided on the lower end surface of the load-bearing rod (1001), and a universal ball (1004) is provided on the upper end surface of the platform (1003); The upper end surface of the universal ball (1004) is provided with a contact plate (1005), and the end of the support shaft (2005) that slides out of the rotating plate (200) is provided with a rotating wheel (1006), and when the buffer plate (201) slides down, the rotating wheel (1006) moves to fit the surface of the contact plate (1005).

6. The automatic three-dimensional detection device based on machine learning as claimed in claim 5, characterized in that: The lower end surface of the abutment plate (1005) is rotatably provided with a first rocking arm (1007) and a second rocking arm (1008), two of each of the first rocking arm (1007) and the second rocking arm (1008) are symmetrically provided, a first balancing arm (1009) is rotatably provided between the two first rocking arms (1007), and a second balancing arm (1011) is rotatably provided between the two second rocking arms (1008); A first gear (1012) is provided at the center of the first balancing pole (1009) via a universal joint, a bevel gear (1014) is provided at the center of the second balancing pole (1011) via a universal joint, a second gear (1013) is provided at the other end of the bevel gear (1014), and a third gear (1015) is provided at the end of the rotating shaft (2007).

7. The automatic three-dimensional detection device based on machine learning according to claim 6, characterized in that: The end surface of the rotating shaft (2007) is provided with a slider (3001), the end surface of the swing plate (2008) is provided with a slide groove (3002), the slider (3001) is slidably arranged inside the slide groove (3002), and adjustment rods (3003) are provided at both ends of the slider (3001).

8. The automatic three-dimensional detection device based on machine learning as claimed in claim 7, characterized in that: The upper and lower ends of the adjusting rod (3003) slide through the inner wall of the slide groove (3002) respectively, and the outer wall of the adjusting rod (3003) is also sleeved with a third elastic member (3004), and the two end surfaces of the third elastic member (3004) are respectively connected to the inner wall of the slide groove (3002) and the sliding block (3001).

Images