CN116734733A - 3D visual detection device and detection method based on high-speed camera - Google Patents
3D visual detection device and detection method based on high-speed camera Download PDFInfo
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- CN116734733A CN116734733A CN202310702318.3A CN202310702318A CN116734733A CN 116734733 A CN116734733 A CN 116734733A CN 202310702318 A CN202310702318 A CN 202310702318A CN 116734733 A CN116734733 A CN 116734733A
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- 238000001514 detection method Methods 0.000 title claims abstract description 57
- 230000000007 visual effect Effects 0.000 title claims description 9
- 238000000034 method Methods 0.000 claims abstract description 27
- 238000007689 inspection Methods 0.000 claims abstract description 21
- 238000011179 visual inspection Methods 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 20
- 238000000605 extraction Methods 0.000 claims description 13
- 238000001179 sorption measurement Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000033001 locomotion Effects 0.000 claims description 4
- 210000003437 trachea Anatomy 0.000 claims 3
- 239000003292 glue Substances 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 abstract description 3
- 230000000712 assembly Effects 0.000 description 2
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- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
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- 238000003466 welding Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Length Measuring Devices By Optical Means (AREA)
Abstract
The application relates to the technical field related to 3D visual inspection, in particular to a 3D visual inspection device and a 3D visual inspection method based on a high-speed camera, wherein the 3D visual inspection device based on the high-speed camera comprises an inspection table, a rotating table, an inspection assembly, a clamping assembly, a steering assembly and a driving assembly, the central section of the inspection table is in a convex shape, supporting legs are fixedly arranged on the lower surface of the inspection table, a bottom plate is fixedly welded on the supporting legs, and a central hole and an edge hole are formed in the inspection table in a penetrating manner; through setting up the 3D visual inspection device that comprises detecting table, rolling table, detection component, clamping component, steering component and drive assembly combination to through setting up the detection component to by mount pad, mounting panel, low level high-speed camera, middle position high-speed camera and upper high-speed camera combination constitute, thereby scan through low level high-speed camera, middle position high-speed camera, upper high-speed camera from a plurality of angles and shoot, thereby effectively improve the measurement accuracy to work piece data.
Description
Technical Field
The application relates to the technical field of 3D visual detection, in particular to a 3D visual detection device and method based on a high-speed camera.
Background
3D visual inspection is a method of three-dimensional object inspection using computer vision techniques; the three-dimensional shape, size, position and other characteristics of the object are analyzed, so that the object is detected, identified and positioned. The 3D vision detection principle mainly comprises three-dimensional reconstruction, feature extraction and matching, target detection and positioning and other aspects.
The 3D visual inspection requires a three-dimensional reconstruction. This step is a process of converting a two-dimensional image of an object into a three-dimensional model. Shooting a plurality of angles of an object, and calculating the three-dimensional coordinates of the object by utilizing a triangulation principle so as to obtain a three-dimensional model of the object;
however, in the process of shooting an object in the traditional 3D vision detection, shooting dead angles exist, so that a three-dimensional model modeled by the object has a certain degree of deviation, and recognition errors are caused.
Disclosure of Invention
The application aims to provide a 3D visual detection device and a detection method based on a high-speed camera, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present application provides the following technical solutions: a high-speed camera-based 3D vision inspection device, the high-speed camera-based 3D vision inspection device comprising:
the central section of the detection table is in a convex shape, supporting legs are fixedly arranged on the lower surface of the detection table, a bottom plate is fixedly welded on the supporting legs, and a central hole and an edge hole are formed in the detection table in a penetrating manner;
the rotating table is rotatably arranged on the detection table;
the detection assembly is fixedly arranged on the rotating table and is formed by combining a mounting seat, a mounting plate, a lower high-speed camera, a middle high-speed camera and an upper high-speed camera;
the clamping assemblies are symmetrically arranged in a group, and the workpiece to be detected is positioned through the clamping assemblies;
the steering assembly is formed by combining a three-stage telescopic electric cylinder, a steering motor and an objective table;
and the rotating table is driven by the driving assembly.
Preferably, the mount pad is fixed on the revolving stage, the mounting panel is fixed on the mount pad, low level high-speed camera, well position high-speed camera, upper position high-speed camera are all installed on the mounting panel through the connecting seat, and are equidistant between low level high-speed camera, well position high-speed camera, the upper position high-speed camera and arrange.
Preferably, the connecting seat is rotatably installed on the mounting plate through the rotating shaft, a threaded hole is formed in the connecting seat, a positioning bolt is screwed in the threaded hole, when the positioning bolt is screwed in, the positioning bolt abuts against the mounting plate to position the connecting seat, in the actual detection process, the middle part of the middle high-speed camera is equal to the middle part of the workpiece to be detected, the lower high-speed camera is lower than the workpiece to be detected, and the upper high-speed camera is higher than the workpiece to be detected.
Preferably, the driving assembly is formed by combining a driving motor and a transmission gear, the transmission gear is fixed on a rotor of the driving motor, the driving motor is fixed on the detection table through a motor bracket, gear teeth are integrally formed on the outer side wall of the rotation table, the gear teeth are meshed with the transmission gear, and the driving motor and the steering motor are servo motors.
Preferably, the side surfaces of the detection table and the rotating table, which are opposite, are provided with ball grooves, and balls are embedded in the ball grooves.
Preferably, the clamping assembly is composed of a primary telescopic electric cylinder, an electric cylinder seat, a secondary telescopic electric cylinder, a steering seat and a steering clamping piece in a combined mode, the primary telescopic electric cylinder is fixed on a bottom plate, the electric cylinder seat is fixed on a telescopic rod of the primary telescopic electric cylinder, the secondary telescopic electric cylinder is fixed on the electric cylinder seat, the steering seat is fixed on a telescopic rod of the secondary telescopic electric cylinder, and the steering clamping piece is rotatably installed on the steering seat.
Preferably, the steering clamping piece is formed by combining a steering ball, a connecting pipe, an adsorption seat and a sucker, the steering ball, the connecting pipe and the adsorption seat are integrally formed, the sucker is fixedly bonded with the port of an air chamber of the adsorption seat, the air chamber on the adsorption seat is communicated with the connecting pipe, a primary air pipe connector is arranged on the side wall of the connecting pipe, and the primary air pipe connector is connected with primary air extraction equipment through a primary air pipe.
Preferably, the steering seat is provided with a spherical groove and an air cavity, the steering ball is rotatably arranged in the spherical groove, the spherical groove is communicated with the air cavity through air holes, the air holes are uniformly provided with a plurality of groups, the side wall of the air cavity is provided with a secondary air pipe connecting port, and the secondary air pipe connecting port is connected with secondary air extraction equipment through a secondary air pipe.
Preferably, the air hole is provided with a sealing groove towards one side port of the ball groove, the sealing groove is an annular notch with a semicircular section, a sealing ring is embedded into the sealing groove, the sealing ring is an annular rubber gasket, and the sealing ring of the steering ball is in a pressed state when the steering ball is actually installed.
A detection method of a 3D visual detection device based on a high-speed camera, the detection method of the 3D visual detection device based on the high-speed camera comprises the following steps:
step one: the feeding process, wherein in the feeding process, a worker places a workpiece to be detected on an objective table;
step two: the workpiece is clamped by driving the secondary telescopic electric cylinder in the positioning process of the workpiece, so that the steering clamping piece forms self-adaptive angle adjustment according to the surface gradient of the workpiece, and then the air cavity and the air chamber form negative pressure by starting the primary air extraction equipment and the secondary air extraction equipment, so that the workpiece is positioned, and the steering clamping piece is ensured to form fixed angle;
step three: in the one-time detection process, a steering motor is started, so that a workpiece is scanned and shot for one circle, and data are recorded;
step four: in the steering process, the objective table is jacked up by driving the three-stage telescopic electric cylinder to support the workpiece, then the air cavity and the air chamber are decompressed, then the two-stage telescopic electric cylinder is driven to return motion, then the objective table is driven to rotate ninety degrees, and then the second step is repeated to reposition the workpiece;
step five: and (3) repeating the third step in the secondary detection process to perform detection again.
Compared with the prior art, the application has the beneficial effects that:
1. the 3D visual inspection device formed by combining the inspection table, the rotating table, the inspection assembly, the clamping assembly, the steering assembly and the driving assembly is arranged, and the inspection assembly is formed by combining the mounting seat, the mounting plate, the lower high-speed camera, the middle high-speed camera and the upper high-speed camera, so that the lower high-speed camera, the middle high-speed camera and the upper high-speed camera can conduct scanning and shooting from multiple angles, and the measurement accuracy of workpiece data is effectively improved;
2. and the clamping assembly is formed by combining the first-stage telescopic electric cylinder, the electric cylinder seat, the second-stage telescopic electric cylinder, the steering seat and the steering clamping piece, so that the clamping assembly can form stable positioning action on workpieces with different shapes through the self-adaptive angle adjustment of the steering clamping piece, and the overall universality of the device is effectively improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present application;
FIG. 2 is a half cross-sectional view of the present application;
FIG. 3 is an enlarged schematic view of the structure shown in FIG. 2A;
FIG. 4 is an enlarged schematic view of the structure shown at B in FIG. 2;
FIG. 5 is an enlarged schematic view of the structure at C in FIG. 4;
FIG. 6 is a schematic view of the structure of the inspection bench according to the present application.
In the figure: the detection platform 1, the rotation platform 2, the detection assembly 3, the clamping assembly 4, the steering assembly 5, the driving assembly 6, the supporting leg 7, the bottom plate 8, the mounting seat 9, the mounting plate 10, the lower high-speed camera 11, the middle high-speed camera 12, the upper high-speed camera 13, the connecting seat 14, the rotating shaft 15, the positioning bolt 16, the stage telescopic electric cylinder 17, the electric cylinder seat 18, the secondary telescopic electric cylinder 19, the steering seat 20, the steering clamping piece 21, the steering ball 22, the connecting pipe 23, the absorption seat 24, the sucker 25, the air cavity 26, the air hole 27, the sealing ring 28, the ball 29, the primary air pipe connector 30, the motor bracket 31, the driving motor 32, the transmission gear 33, the tertiary telescopic electric cylinder 34, the steering motor 35 and the objective table 36.
Detailed Description
In order to make the objects, technical solutions, and advantages of the present application more apparent, the embodiments of the present application will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present application, are intended to be illustrative only and not limiting of the embodiments of the present application, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present application.
In the description of the present application, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.
Referring to fig. 1-6, the present application provides the following six preferred embodiments:
example 1
The utility model provides a 3D visual inspection device based on high-speed camera, 3D visual inspection device based on high-speed camera includes detecting platform 1, rotating table 2, detecting component 3, clamping component 4, turn to subassembly 5 and drive assembly 6, the central cross-section of detecting platform 1 is the protruding style of calligraphy, and detecting platform 1's lower fixed surface installs supporting leg 7, fixed welding has bottom plate 8 on the supporting leg 7, and center hole and marginal hole have been seted up on detecting platform 1 in the penetration, rotating table 2 rotates and installs on detecting platform 1, detecting component 3 fixed mounting is on rotating table 2, and detecting component 3 comprises mount pad 9, mounting panel 10, lower high-speed camera 11, well high-speed camera 12 and the combination of high-speed camera 13 of upper position, clamping component 4 symmetry is provided with a set of, and the work piece that waits to detect is fixed a position through clamping component 4, turn to subassembly 5 comprises tertiary flexible electronic cylinder 34, turn to motor 35 and objective table 36 combination, rotating table 2 drives through drive assembly 6.
The mount pad 9 is fixed on the rolling table 2, the mount pad 10 is fixed on the mount pad 9, lower high-speed camera 11, median high-speed camera 12, upper high-speed camera 13 are all installed on the mount pad 10 through connecting seat 14, and equidistant between lower high-speed camera 11, median high-speed camera 12, the upper high-speed camera 13 arranges, through setting up the 3D vision detection device that comprises detecting table 1, rolling table 2, detection component 3, clamping component 4, steering component 5 and drive assembly 6 combination, and through setting up detection component 3 to comprise mounting pad 9, mount pad 10, lower high-speed camera 11, median high-speed camera 12 and upper high-speed camera 13 combination, thereby scan through lower high-speed camera 11, median high-speed camera 12, upper high-speed camera 13 from a plurality of angles and shoot, thereby effectively improve the measurement accuracy to work piece data.
Example two
On the basis of the first embodiment, the connecting seat 14 is rotatably installed on the mounting plate 10 through the rotating shaft 15, a threaded hole is formed in the connecting seat 14, a positioning bolt 16 is screwed in the threaded hole, when the positioning bolt 16 is screwed in, the positioning bolt 16 is propped against the mounting plate 10 to position the connecting seat 14, in the actual detection process, the middle part of the high-speed camera 12 and the middle part of the workpiece to be detected are equal to each other, the lower high-speed camera 11 is lower than the workpiece to be detected, the upper high-speed camera 13 is higher than the workpiece to be detected, and the angles of the lower high-speed camera 11, the middle high-speed camera 12 and the upper high-speed camera 13 are conveniently adjusted.
Example III
On the basis of the second embodiment, the driving assembly is formed by combining a driving motor 32 and a transmission gear 33, the transmission gear 33 is fixed on a rotor of the driving motor 32, the driving motor 32 is fixed on the detection table 1 through a motor bracket 31, gear teeth are integrally formed on the outer side wall of the rotation table 2, the gear teeth are meshed with the transmission gear 33, and the driving motor 32 and the steering motor 35 are servo motors.
The side surfaces of the detection table 1 and the rotating table 2, which are opposite, are provided with ball grooves, and the ball grooves are embedded with balls 29, so that the flexibility of the steering movement of the rotating table 2 is improved.
Example IV
On the basis of the third embodiment, the clamping assembly 4 is formed by combining a primary telescopic electric cylinder 17, an electric cylinder seat 18, a secondary telescopic electric cylinder 19, a steering seat 20 and a steering clamping piece 21, wherein the primary telescopic electric cylinder 17 is fixed on the bottom plate 8, the electric cylinder seat 18 is fixed on a telescopic rod of the primary telescopic electric cylinder 17, the secondary telescopic electric cylinder 19 is fixed on the electric cylinder seat 18, the steering seat 20 is fixed on a telescopic rod of the secondary telescopic electric cylinder 19, and the steering clamping piece 21 is rotatably installed on the steering seat 20.
The steering clamping piece 21 is formed by combining a steering ball 22, a connecting pipe 23, an adsorption seat 24 and a sucking disc 25, wherein the steering ball 22, the connecting pipe 23 and the adsorption seat 24 are integrally formed, the sucking disc 25 is fixedly glued with an air chamber port of the adsorption seat 24, an air chamber on the adsorption seat 24 is communicated with the connecting pipe 23, a primary air pipe connector 30 is arranged on the side wall of the connecting pipe 23, and the primary air pipe connector 30 is connected with primary air extraction equipment through a primary air pipe.
The steering seat 20 is provided with a ball groove and an air cavity 26, the steering ball 22 is rotatably arranged in the ball groove, the ball groove and the air cavity 26 are communicated through an air hole 27, the air holes 27 are uniformly provided with a plurality of groups, the side wall of the air cavity 26 is provided with a secondary air pipe connecting port, the secondary air pipe connecting port is connected with secondary air extraction equipment through a secondary air pipe, the clamping assembly 4 is arranged to be composed of a primary telescopic electric cylinder 17, an electric cylinder seat 18, a secondary telescopic electric cylinder 19, the steering seat 20 and a steering clamping piece 21, and therefore, the clamping assembly 4 can form stable positioning action on workpieces of different shapes through self-adaptive angle adjustment of the steering clamping piece 21, and the overall universality of the device is effectively improved.
Example five
On the basis of the fourth embodiment, the position of the port of one side of the air hole 27 facing the ball-shaped groove is provided with a sealing groove, the sealing groove is an annular notch with a semicircular section, a sealing ring 28 is embedded in the sealing groove, the sealing ring 28 is an annular rubber gasket, and the sealing ring 28 of the steering ball 22 is in a pressed state when the steering ball 22 is actually installed, so that the sealing performance of the contact point of the steering ball 22 is improved, and the positioning stability of the steering ball 22 is effectively ensured.
Example six
On the basis of the fifth embodiment, a detection method of a 3D visual detection device based on a high-speed camera includes the following steps:
step one: a loading process in which a worker places a workpiece to be inspected on the stage 36;
step two: in the positioning process of the workpiece, the workpiece is clamped by driving the secondary telescopic cylinder 19, so that the steering clamping piece 21 forms self-adaptive angle adjustment according to the surface gradient of the workpiece, and then the air cavity 26 and the air chamber form negative pressure by starting the primary air extraction equipment and the secondary air extraction equipment, so that the workpiece is positioned, and the steering clamping piece 21 is ensured to form fixed angle;
step three: in the primary detection process, the steering motor 35 is started, so that the workpiece is scanned and shot for one circle, and data are recorded;
step four: in the steering process, the stage 36 is jacked up by driving the three-stage telescopic electric cylinder 34 to support the workpiece, then the air cavity 26 and the air chamber are decompressed, then the secondary telescopic electric cylinder 19 is driven to return motion, then the stage 36 is driven to rotate ninety degrees, and then the second step is repeated to reposition the workpiece;
step five: and (3) repeating the third step in the secondary detection process to perform detection again.
While the foregoing describes illustrative embodiments of the present application so that those skilled in the art may understand the present application, the present application is not limited to the specific embodiments, and all applications and creations utilizing the inventive concepts are within the scope of the present application as long as the modifications are within the spirit and scope of the present application as defined and defined in the appended claims to those skilled in the art.
Claims (10)
1. 3D visual inspection device based on high-speed camera, its characterized in that: the high-speed camera-based 3D vision inspection device includes:
the detection platform (1), the central section of the detection platform (1) is in a convex shape, supporting legs (7) are fixedly arranged on the lower surface of the detection platform (1), a bottom plate (8) is fixedly welded on the supporting legs (7), and a central hole and an edge hole are formed in the detection platform (1) in a penetrating manner;
a rotating table (2), wherein the rotating table (2) is rotatably arranged on the detection table (1);
the detection assembly (3), the detection assembly (3) is fixedly installed on the rotating table (2), and the detection assembly (3) is formed by combining a mounting seat (9), a mounting plate (10), a lower high-speed camera (11), a middle high-speed camera (12) and an upper high-speed camera (13);
the clamping assembly (4) is symmetrically arranged with a group, and the workpiece to be detected is positioned by the clamping assembly (4);
the steering assembly (5) is formed by combining a three-stage telescopic electric cylinder (34), a steering motor (35) and an objective table (36);
and the driving assembly (6) is used for driving the rotating table (2) through the driving assembly (6).
2. The high-speed camera-based 3D vision inspection device of claim 1, wherein: the mounting base (9) is fixed on the rotating table (2), the mounting plate (10) is fixed on the mounting base (9), the lower high-speed camera (11), the middle high-speed camera (12) and the upper high-speed camera (13) are all mounted on the mounting plate (10) through the connecting base (14), and the lower high-speed camera (11), the middle high-speed camera (12) and the upper high-speed camera (13) are distributed at equal intervals.
3. A high-speed camera-based 3D vision inspection device as claimed in claim 2, characterized in that: the connecting seat (14) is rotatably mounted on the mounting plate (10) through the rotating shaft (15), a threaded hole is formed in the connecting seat (14), a positioning bolt (16) is screwed in the threaded hole, when the positioning bolt (16) is screwed in, the positioning bolt (16) is abutted against the mounting plate (10) to form positioning on the connecting seat (14), in the actual detection process, the middle part of the middle high-speed camera (12) is equal to the middle part of a workpiece to be detected, the lower high-speed camera (11) is lower than the workpiece to be detected, and the upper high-speed camera (13) is higher than the workpiece to be detected.
4. The high-speed camera-based 3D vision inspection device of claim 1, wherein: the driving assembly is composed of a driving motor (32) and a transmission gear (33), the transmission gear (33) is fixed on a rotor of the driving motor (32), the driving motor (32) is fixed on the detection table (1) through a motor bracket (31), gear teeth are integrally formed on the outer side wall of the rotation table (2), the gear teeth are meshed with the transmission gear (33), and the driving motor (32) and the steering motor (35) are servo motors.
5. The high-speed camera-based 3D vision inspection device of claim 4, wherein: the side surfaces of the detection table (1) and the rotating table (2) which are opposite to each other are provided with ball grooves, and balls (29) are embedded in the ball grooves.
6. The high-speed camera-based 3D vision inspection device of claim 1, wherein: the clamping assembly (4) is formed by combining a primary telescopic electric cylinder (17), an electric cylinder seat (18), a secondary telescopic electric cylinder (19), a steering seat (20) and a steering clamping piece (21), wherein the primary telescopic electric cylinder (17) is fixed on a bottom plate (8), the electric cylinder seat (18) is fixed on a telescopic rod of the primary telescopic electric cylinder (17), the secondary telescopic electric cylinder (19) is fixed on the electric cylinder seat (18), the steering seat (20) is fixed on a telescopic rod of the secondary telescopic electric cylinder (19), and the steering clamping piece (21) is rotatably installed on the steering seat (20).
7. The high-speed camera-based 3D vision inspection device of claim 6, wherein: the utility model discloses a steering clamping piece (21) comprises steering ball (22), connecting pipe (23), adsorption seat (24) and sucking disc (25) combination, be integrated into one piece between steering ball (22), connecting pipe (23), adsorption seat (24), sucking disc (25) are fixed to glue with the air chamber port of adsorption seat (24), and the last air chamber of adsorption seat (24) is linked together with connecting pipe (23), and has seted up one-level trachea connector (30) on the lateral wall of connecting pipe (23), one-level trachea connector (30) are connected with one-level air extraction equipment through one-level trachea.
8. The high-speed camera-based 3D vision inspection device of claim 7, wherein: the steering seat (20) is provided with a spherical groove and an air cavity (26), the steering ball (22) is rotatably arranged in the spherical groove, the spherical groove is communicated with the air cavity (26) through air holes (27), the air holes (27) are uniformly provided with a plurality of groups, the side wall of the air cavity (26) is provided with a secondary air pipe connecting port, and the secondary air pipe connecting port is connected with secondary air extraction equipment through a secondary air pipe.
9. The high-speed camera-based 3D vision inspection device of claim 8, wherein: the air hole (27) is provided with a sealing groove towards one side port of the ball groove, the sealing groove is an annular notch with a semicircular section, a sealing ring (28) is embedded into the sealing groove, the sealing ring (28) is an annular rubber gasket, and the sealing ring (28) of the steering ball (22) is in a pressed state when the steering ball is actually installed.
10. A method of detecting a 3D vision detecting device based on a high-speed camera according to any one of claims 1-9, characterized in that: the detection method of the 3D visual detection device based on the high-speed camera comprises the following steps of:
step one: a loading process in which a worker places a workpiece to be detected on an objective table (36);
step two: in the positioning process of the workpiece, the workpiece is clamped by driving the secondary telescopic cylinder (19), so that the steering clamping piece (21) forms self-adaptive angle adjustment according to the surface gradient of the workpiece, and then the air cavity (26) and the air chamber form negative pressure by starting the primary air extraction equipment and the secondary air extraction equipment, so that the workpiece is positioned, and the steering clamping piece (21) is ensured to form fixed angle;
step three: in the one-time detection process, a steering motor (35) is started, so that a workpiece is scanned and shot for one circle, and data are recorded;
step four: in the steering process, the objective table (36) is jacked up by driving the three-stage telescopic electric cylinder (34) to hold the workpiece, then the air cavity (26) and the air chamber are decompressed, then the two-stage telescopic electric cylinder (19) is driven to return motion, then the objective table (36) is driven to rotate ninety degrees, and then the workpiece is repositioned by repeating the second step;
step five: and (3) repeating the third step in the secondary detection process to perform detection again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310702318.3A CN116734733A (en) | 2023-06-13 | 2023-06-13 | 3D visual detection device and detection method based on high-speed camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310702318.3A CN116734733A (en) | 2023-06-13 | 2023-06-13 | 3D visual detection device and detection method based on high-speed camera |
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| Publication Number | Publication Date |
|---|---|
| CN116734733A true CN116734733A (en) | 2023-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310702318.3A Withdrawn CN116734733A (en) | 2023-06-13 | 2023-06-13 | 3D visual detection device and detection method based on high-speed camera |
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| CN (1) | CN116734733A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117139974A (en) * | 2023-10-16 | 2023-12-01 | 江苏鑫鼎元科技有限公司 | Welding device for machining cylindrical mechanical parts |
-
2023
- 2023-06-13 CN CN202310702318.3A patent/CN116734733A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117139974A (en) * | 2023-10-16 | 2023-12-01 | 江苏鑫鼎元科技有限公司 | Welding device for machining cylindrical mechanical parts |
| CN117139974B (en) * | 2023-10-16 | 2024-05-17 | 江苏鑫鼎元科技有限公司 | Welding device for machining cylindrical mechanical parts |
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Application publication date: 20230912 |