CN212207133U - Appearance detection system for large-plane workpiece - Google Patents
Appearance detection system for large-plane workpiece Download PDFInfo
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- CN212207133U CN212207133U CN201922416362.XU CN201922416362U CN212207133U CN 212207133 U CN212207133 U CN 212207133U CN 201922416362 U CN201922416362 U CN 201922416362U CN 212207133 U CN212207133 U CN 212207133U
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Abstract
The utility model relates to a large plane workpiece appearance detection system, which is provided with a working platform; a slide rail is fixedly arranged on the working platform; a sliding block is arranged on the sliding rail in a sliding manner; the working platform is provided with a first driving device for driving the sliding block to slide along the sliding rail; a positioning platform for a workpiece to be detected is arranged on the sliding block; a vacuum suction head for adsorbing a workpiece to be detected is arranged on the positioning platform; a first camera component for shooting a large plane of a workpiece is arranged on a frame on the working platform; the first camera shooting assembly is positioned above the sliding rail; the first camera shooting component comprises a first line scanning industrial camera and a first linear light source matched with the first line scanning industrial camera; the first line scanning industrial camera is fixedly connected to the rack and is used for shooting a large plane of a workpiece; the first linear light source is fixedly connected to the rack and used for irradiating a large plane of the workpiece; and a positioning plate is arranged at one end of the working platform, which is positioned on the slide rail. The utility model discloses can carry out outward appearance to its big plane and detect along with the removal of big plane work piece.
Description
Technical Field
The utility model relates to an outward appearance check out test set, in particular to big plane work piece outward appearance detecting system.
Background
With the continuous progress and development of workpiece inspection, visual inspection systems are being introduced in more and more fields. Most of the existing visual inspection systems are used for inspecting small, diversified and huge parts. When detecting, a shooting camera often only carries out the shooting of an angle, and after an angle was shot and is accomplished, often need rely on mechanical drive, with work piece transfer to next detection station to the work piece or shooting camera need carry out the angle change, thereby satisfy the detection requirement.
The large-size parts have high requirements on transfer and positioning, and high mechanical design cost; particularly, some parts having large flat surfaces and relatively thin parts are also easily damaged when they are transferred by machines. Therefore, most of parts with larger sizes still depend on manual detection.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a big plane work piece outward appearance detecting system, this detecting system can carry out high efficiency, accurate detection to big planar appearance defect.
Realize the utility model discloses the technical scheme of purpose is: the utility model has a working platform; a sliding rail is fixedly arranged on the working platform; a sliding block is arranged on the sliding rail in a sliding manner; the working platform is provided with a first driving device for driving the sliding block to slide along the sliding rail; a positioning platform for placing a workpiece is arranged on the sliding block; a vacuum suction head for adsorbing a workpiece to be detected is arranged on the positioning platform; the working platform is provided with a rack, and the rack is provided with a first camera shooting assembly for shooting a large plane of a workpiece; the first camera shooting assembly is positioned above the sliding rail; the first camera shooting component comprises a first line scanning industrial camera and a first linear light source matched with the first line scanning industrial camera; the first line scanning industrial camera is fixedly connected to the rack and is used for shooting a large plane of a workpiece; the first linear light source is fixedly connected to the rack and used for irradiating a large plane of a workpiece; and a positioning plate which can be aligned with the positioning platform when the positioning platform moves to the end of the slide rail is arranged at one end of the slide rail on the working platform.
The positioning platform is rotatably arranged on the sliding block; and a second driving device for driving the positioning platform to rotate is arranged on the sliding block.
As an optimized deformation design, the positioning platform is rotatably arranged on the sliding block; the sliding block is provided with a second driving device for driving the positioning platform to rotate; second camera components for shooting the edge of the workpiece are symmetrically arranged on the rack and positioned on two sides of the sliding rail; the second subassembly of making a video recording is equipped with second line scanning industry camera and the second linear light source that uses with the cooperation of second line scanning industry camera including fixed the support that sets up in the frame on the support.
The support comprises a base frame, a lifting frame and a turnover frame; the base frame is fixedly connected to the rack; the lifting frame is arranged on the base frame in a sliding mode and slides in a direction perpendicular to the working platform; an electric lifting rod is fixedly arranged on the base frame, and a telescopic shaft of the electric lifting rod is fixedly connected with the lifting frame; the overturning frame is rotatably arranged on the lifting frame through a rotating shaft; a first servo motor is fixedly arranged on the lifting frame, and an output shaft of the first servo motor is fixedly connected with the rotating shaft through a coupler; and the second linear scanning industrial camera and the second linear light source are both fixedly connected to the roll-over stand.
The first driving device comprises a second servo motor and a screw rod; the second servo motor is fixedly connected to the working platform; the screw rod is rotatably arranged on the working platform; the sliding block is provided with a threaded hole matched with the screw rod; an output shaft of the second servo motor is fixedly connected with one end of a screw rod through a coupler, and the screw rod penetrates through a threaded hole of the sliding block to be in transmission fit with the threaded hole.
The second driving device comprises a telescopic cylinder; the telescopic shaft of the telescopic cylinder is fixedly connected with the driving rack; the positioning platform is provided with a rotating part; the rotating part is rotationally connected with the sliding block; the rotating part is provided with a driving gear; the rotating axis of the driving gear is collinear with the rotating axis of the rotating part; the telescopic cylinder is fixedly connected to the sliding block, and the driving rack is in transmission fit with the driving gear.
The first line scanning industrial camera and the second line scanning industrial camera both adopt the existing industrial detection camera, and the specific model of the existing industrial detection camera is selected according to the detection requirement.
The utility model discloses has positive effect: (1) the utility model discloses a positioning platform makes big plane work piece remove, and first camera module is motionless, consequently can realize stable and quick outward appearance detection effect.
(2) The utility model discloses well locating platform can rotate under second drive arrangement's drive, and along with locating platform's return, first subassembly of making a video recording can carry out once more after big plane work piece conversion angle and shoot the detection, further improves and detects accurate nature.
(3) The utility model discloses in rotatable positioning platform and the cooperation of second camera subassembly use, can carry out the outward appearance to four sides of work piece and detect, effectively increase the detection project, effectively promote detection efficiency.
(4) The utility model discloses a first servo motor can realize the angle change of second line scanning industry camera and second linear light source to effectively detect the work piece that has the dysmorphism side. If the side surface of the workpiece is a turnover surface (namely two side surfaces forming an included angle), the detection requirement can be met through the angle change of the turnover plate.
Drawings
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of a second camera module according to the present invention;
fig. 3 is a rear side view of a second camera assembly of the present invention;
fig. 4 is a schematic structural view of the middle positioning platform and the sliding block of the present invention.
Detailed Description
Referring to fig. 1 to 4, the utility model has a working platform 1; a sliding rail is fixedly arranged on the working platform 1; a sliding block 2 is arranged on the sliding rail in a sliding manner; the working platform 1 is provided with a first driving device 3 for driving the sliding block 2 to slide along the sliding rail; a positioning platform 4 for placing a workpiece is arranged on the sliding block 2; a vacuum suction head for adsorbing a workpiece to be detected is arranged on the positioning platform 4; the working platform 1 is provided with a rack 11, and the rack 11 is provided with a first camera assembly 5 for shooting a large plane of a workpiece; the first camera shooting component 5 is positioned above the slide rail; the first camera assembly 5 comprises a first line scanning industrial camera 51 and a first linear light source 52 used in cooperation with the first line scanning industrial camera 51; the first line scanning industrial camera 51 is fixedly connected to the frame 11 and is used for shooting a large plane of a workpiece; the first linear light source 52 is fixedly connected to the frame 11 and is used for irradiating a large plane of a workpiece; one end of the working platform 1, which is positioned at the slide rail, is provided with a positioning plate 6 which can form position calibration with the positioning platform 4 when the positioning platform 4 moves to the end of the slide rail.
The positioning platform 4 is rotatably arranged on the sliding block 2; a second driving device for driving the positioning platform 4 to rotate is arranged on the sliding block 2; second camera modules 7 for shooting the edges of the workpieces are symmetrically arranged on the rack 11 and positioned on two sides of the slide rail; the second camera assembly 7 includes a bracket 71 fixedly disposed on the frame 11, and a second line scanning industrial camera 72 and a second linear light source 73 used in cooperation with the second line scanning industrial camera 72 are disposed on the bracket 71.
The support 71 comprises a base frame 711, a lifting frame 712 and a turning frame 713; the base frame 711 is fixedly connected to the frame 11; the lifting frame 712 is arranged on the base frame 711 in a sliding manner and slides along the direction vertical to the working platform 1; an electric lifting rod is fixedly arranged on the base frame 711, and a telescopic shaft of the electric lifting rod is fixedly connected with the lifting frame 712; the turning frame 713 is rotatably arranged on the lifting frame 712 through a rotating shaft; a first servo motor is fixedly arranged on the lifting frame 712, and an output shaft of the first servo motor is fixedly connected with the rotating shaft through a coupler; the second line scanning industrial camera 72 and the second linear light source 73 are fixedly attached to the roll-over stand 713.
The first driving device 3 comprises a second servo motor 31 and a screw rod 32; the second servo motor 31 is fixedly connected to the working platform 1; the screw rod 32 is rotatably arranged on the working platform 1; the slide block 2 is provided with a threaded hole matched with the screw rod 32; an output shaft of the second servo motor 31 is fixedly connected with one end of a screw rod 32 through a coupler, and the screw rod 32 penetrates through a threaded hole of the sliding block 2 to be in transmission fit with the threaded hole.
The second driving device comprises a telescopic cylinder; the telescopic shaft of the telescopic cylinder is fixedly connected with the driving rack 8; the positioning platform 4 is provided with a rotating part 41; the rotating part 41 is rotationally connected with the slide block 2; the rotating part 41 is provided with a driving gear 42; the rotation axis of the drive gear 42 is collinear with the rotation axis of the rotating portion 41; the telescopic cylinder is fixedly connected on the sliding block 2, and the driving rack 8 is in transmission fit with the driving gear 42.
The first servo motor and the second servo motor 31 are both servo motors, and the structure and principle thereof are common technologies, so that the description thereof is not repeated here.
The working process of the utility model comprises the following steps:
A. the positioning platform 4 is driven by the first driving device 3 to move to one end of the slide rail and forms a positioning reference with the positioning plate 6;
B. under the positioning of the positioning reference, a workpiece to be detected is manually placed on the positioning platform 4, and then the vacuum suction head adsorbs and fixes the workpiece to be detected;
C. the positioning platform 4 is driven by the first driving device 3 to slide towards the other end of the slide rail; in sliding, the first camera component 5 and the second camera component 7 are sequentially passed; the first camera component 5 and the second camera component 7 detect the large plane and two sides of the workpiece to be detected in the process of passing.
D. After sliding to the other end of the slide rail, the positioning platform 4 rotates 90 degrees under the drive of the second driving device, and then slides back under the drive of the first driving device 3;
E. when the positioning platform 4 slides back, the second camera assembly 7 detects the other two edges of the workpiece, and the first camera assembly 5 changes the angle to continue detecting the large plane of the workpiece.
F. And finally, the positioning platform 4 returns to the positioning plate 6, and the detected workpiece is manually taken down.
If the side of the workpiece has two sides, an included angle is formed between the two sides. The positioning table 4 needs to go back and forth twice. When the first time comes and goes, the second camera component 7 is not moved, and one side edge is detected; when the second time comes and goes, the electric lifting rod on the second camera component 7 can drive the lifting frame 712 to ascend, then the first servo motor can drive the turnover plate 713 to turn over, and then the other side edge is detected.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. The appearance detection system for the large-plane workpiece is provided with a working platform (1); the method is characterized in that: a sliding rail is fixedly arranged on the working platform (1); a sliding block (2) is arranged on the sliding rail in a sliding manner; the working platform (1) is provided with a first driving device (3) for driving the sliding block (2) to slide along the sliding rail; a positioning platform (4) for placing a workpiece is arranged on the sliding block (2); a vacuum suction head for adsorbing a workpiece to be detected is arranged on the positioning platform (4); a rack (11) is arranged on the working platform (1), and a first camera assembly (5) for shooting a large plane of a workpiece is arranged on the rack (11); the first camera shooting assembly (5) is positioned above the sliding rail; the first camera shooting component (5) comprises a first line scanning industrial camera (51) and a first linear light source (52) matched with the first line scanning industrial camera (51); the first line scanning industrial camera (51) is fixedly connected to the rack (11) and is used for shooting a large plane of a workpiece; the first linear light source (52) is fixedly connected to the frame (11) and is used for irradiating a large plane of a workpiece; one end of the working platform (1) positioned on the slide rail is provided with a positioning plate (6) which can form position calibration with the positioning platform (4) when the positioning platform (4) moves to the end of the slide rail.
2. The large flat workpiece appearance inspection system of claim 1, wherein: the positioning platform (4) is rotatably arranged on the sliding block (2); and a second driving device for driving the positioning platform (4) to rotate is arranged on the sliding block (2).
3. The large flat workpiece appearance inspection system of claim 1, wherein: the positioning platform (4) is rotatably arranged on the sliding block (2); a second driving device for driving the positioning platform (4) to rotate is arranged on the sliding block (2); second camera components (7) for shooting the edges of the workpieces are symmetrically arranged on the rack (11) and positioned on two sides of the sliding rail; the second camera shooting assembly (7) comprises a support (71) fixedly arranged on the rack (11), and a second linear light source (73) matched with the second linear scanning industrial camera (72) and used by the second linear scanning industrial camera (72) is arranged on the support (71).
4. The large flat workpiece appearance inspection system of claim 3, wherein: the support (71) comprises a base frame (711), a lifting frame (712) and a turnover frame (713); the base frame (711) is fixedly connected to the rack (11); the lifting frame (712) is arranged on the base frame (711) in a sliding manner and slides along the direction vertical to the working platform (1); an electric lifting rod is fixedly arranged on the base frame (711), and a telescopic shaft of the electric lifting rod is fixedly connected with the lifting frame (712); the turning frame (713) is rotatably arranged on the lifting frame (712) through a rotating shaft; a first servo motor is fixedly arranged on the lifting frame (712), and an output shaft of the first servo motor is fixedly connected with the rotating shaft through a coupler; the second line scanning industrial camera (72) and the second linear light source (73) are fixedly connected to the roll-over stand (713).
5. The large flat workpiece appearance inspection system of claim 1 or 2 or 3 or 4, wherein: the first driving device (3) comprises a second servo motor (31) and a screw rod (32); the second servo motor (31) is fixedly connected to the working platform (1); the screw rod (32) is rotatably arranged on the working platform (1); the sliding block (2) is provided with a threaded hole matched with the screw rod (32); an output shaft of the second servo motor (31) is fixedly connected with one end of a screw rod (32) through a coupler, and the screw rod (32) penetrates through a threaded hole of the sliding block (2) to be in transmission fit with the sliding block.
6. The large flat workpiece appearance inspection system of claim 2 or 3 or 4, wherein: the second driving device comprises a telescopic cylinder; the telescopic shaft of the telescopic cylinder is fixedly connected with the driving rack (8); a rotating part (41) is arranged on the positioning platform (4); the rotating part (41) is rotationally connected with the sliding block (2); a driving gear (42) is arranged on the rotating part (41); the rotation axis of the drive gear (42) is collinear with the rotation axis of the rotating part (41); the telescopic cylinder is fixedly connected to the sliding block (2), and the driving rack (8) is in transmission fit with the driving gear (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922416362.XU CN212207133U (en) | 2019-12-29 | 2019-12-29 | Appearance detection system for large-plane workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922416362.XU CN212207133U (en) | 2019-12-29 | 2019-12-29 | Appearance detection system for large-plane workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212207133U true CN212207133U (en) | 2020-12-22 |
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ID=73809731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922416362.XU Active CN212207133U (en) | 2019-12-29 | 2019-12-29 | Appearance detection system for large-plane workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212207133U (en) |
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2019
- 2019-12-29 CN CN201922416362.XU patent/CN212207133U/en active Active
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