CN116203535B - Computer-aided optical scanning three-dimensional imaging system - Google Patents

Computer-aided optical scanning three-dimensional imaging system Download PDF

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Publication number
CN116203535B
CN116203535B CN202310473433.8A CN202310473433A CN116203535B CN 116203535 B CN116203535 B CN 116203535B CN 202310473433 A CN202310473433 A CN 202310473433A CN 116203535 B CN116203535 B CN 116203535B
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China
Prior art keywords
scanning
frame
fixed
outer ring
base
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CN202310473433.8A
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CN116203535A (en
Inventor
孔芳
颜道淦
郑忠霞
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Zaozhuang Vocational College of Science and Technology
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Zaozhuang Vocational College of Science and Technology
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481Constructional features, e.g. arrangements of optical elements
    • G01S7/4817Constructional features, e.g. arrangements of optical elements relating to scanning
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D11/00Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/30Supports specially adapted for an instrument; Supports specially adapted for a set of instruments
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/88Lidar systems specially adapted for specific applications
    • G01S17/89Lidar systems specially adapted for specific applications for mapping or imaging

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Image Input (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

The invention discloses a computer-aided optical scanning three-dimensional imaging system, which relates to the technical field of optical scanning equipment, and comprises the following components: a base; the object carrying disc is rotatably arranged in the middle of the base and is used for horizontally carrying and placing scanned objects; the outer ring frame is rotatably arranged on the base and is in a concentric circle structure with the carrying disc, a driving motor is arranged on the base, and the output end of the driving motor is connected with the outer ring frame through a gear meshing effect for transmission; the connecting shaft seat is fixed on the outer ring frame and is rotatably provided with a mechanical arm; the scanning and blending mechanism is arranged at the end part of the mechanical arm; the environmental lamp holders are circumferentially distributed on the periphery of the base; the surface light modulation processing assembly is arranged on one side of the outer ring frame, which is far away from the connecting shaft seat; the computer control system is electrically connected with the mechanical arm, the scanning and blending mechanism and the surface dimming processing component; the system has simpler structure, is convenient for the maintenance and the management of the system, and has simpler and more convenient data processing.

Description

Computer-aided optical scanning three-dimensional imaging system
Technical Field
The invention belongs to the technical field of optical scanning equipment, and particularly relates to a computer-aided optical scanning three-dimensional imaging system.
Background
The computer-aided optical scanning three-dimensional imaging system integrates various advanced technologies, projects laser beams or white light beams onto the surface of an object in optical scanning, obtains the geometric shape and color information of the surface of the object by detecting reflected light, and can be widely applied to industrial design, cultural relics protection, medicine, biology and the like by utilizing the technology of processing and analyzing images by a computer. Although the existing optical scanning three-dimensional imaging system is very mature, the scanner still needs to be held manually in scanning, the captured geometric shape and color information are extremely easy to be distorted due to the influence of light irradiation, and objects with certain shapes and colors can have difficulty in scanning results (a reflecting surface can reflect laser light and a black surface can absorb the laser light), accurate depth information is difficult to obtain, and especially the scanning data volume in complex scanning imaging is huge, and the data processing is difficult; accordingly, one skilled in the art would provide a computer-aided optical scanning three-dimensional imaging system to solve the above-mentioned problems with the background art.
Disclosure of Invention
In order to achieve the above purpose, the present invention provides the following technical solutions: a computer-aided optical scanning three-dimensional imaging system, comprising:
a base;
the object carrying disc is rotatably arranged in the middle of the base and is used for horizontally carrying and placing scanned objects;
the outer ring frame is rotatably arranged on the base and is in a concentric circle structure with the carrying disc, a driving motor is arranged on the base, and the output end of the driving motor is connected with the outer ring frame through a gear meshing effect for transmission;
the connecting shaft seat is fixed on the outer ring frame, and the mechanical arm is rotatably arranged on the connecting shaft seat;
the scanning and adjusting mechanism is arranged at the end part of the mechanical arm, adopts a laser to emit laser beams to the stationary scanning object, and receives the reflected laser beams by the optical point detector;
the environmental lamp holders are circumferentially distributed on the periphery of the base;
the surface light modulation processing assembly is arranged on one side of the outer ring frame, which is far away from the connecting shaft seat;
and the computer control system is electrically connected with the mechanical arm, the scanning allocation mechanism and the surface dimming processing component, and is used for controlling the movement track and speed in scanning imaging, collecting scanning data and processing and analyzing.
Further, preferably, the scan deployment mechanism includes:
the blending frame is rotatably arranged on the mechanical arm, a guide rod is slidably arranged on the mechanical arm, and one end of the guide rod is connected with the blending frame;
the frame plate is fixed on one side of the blending frame;
the side locating rack is arranged on the rack plate and is provided with a side scanner in a rotating mode along the horizontal direction;
the fine-tuning telescopic rod is arranged on the side locating frame, and the telescopic end of the fine-tuning telescopic rod is connected with the side scanner; and
an upper scanner mounted on the frame plate and above the side scanner.
Further, preferably, the side positioning frames are two arranged left and right, the frame plates are transversely fixed with sliding frames, the side positioning frames are arranged on the sliding frames in a sliding and adjusting mode, and the deflection angle range of the side scanner relative to the side positioning frames is-75 degrees to 75 degrees.
Further, preferably, the two side scanners are matched with the upper scanner to perform preliminary scanning on the outline of the scanned object preferentially in three-dimensional scanning imaging, and then in three-dimensional precision scanning imaging, one side scanner is always vertical to the surface of the scanned object.
Further, preferably, an adjusting seat is fixed on the frame plate at the position of the upper scanner, a plurality of telescopic guide rods are distributed on the adjusting seat, one end of each telescopic guide rod is connected to the shaft plate in a universal rotation mode, and the upper scanner is fixed with the shaft plate.
Further, preferably, the surface dimming processing unit includes:
the column frame is vertically fixed on the outer ring frame, a sliding seat is arranged on the column frame in a sliding adjustment mode, and a transverse frame is arranged on the sliding seat in a horizontal sliding mode;
the steering shaft is rotatably arranged on the transverse frame, one side of the steering shaft is rotatably provided with a shaft disc, and the shaft disc is fixedly provided with a bracket body;
the inner bobbin is vertically arranged in the bracket body, and a fixed pipe is vertically arranged in the inner bobbin;
the adjusting lamp is fixed below the fixed tube, a reflecting lampshade is arranged on the inner bobbin, and the adjusting lamp is arranged in the reflecting lampshade;
the diffusion lamps are circumferentially distributed below the inner bobbin and are positioned at the periphery of the adjusting lamp; and
and the coating device is arranged in the inner bobbin.
Further, preferably, the paint device includes:
a mounting ring slidably disposed within the inner barrel;
the annular air pressure bin is fixed in the inner bobbin, an annular plug is arranged in the annular air pressure bin in a sliding mode, a plurality of connecting rods are connected below the annular plug, and one end of each connecting rod is fixed with the mounting ring;
the air pressure pipe is connected above the annular air pressure bin;
the paint spraying pipes are circumferentially arranged, one end of each paint spraying pipe is connected with the mounting ring, the end part of the inner bobbin is embedded and rotated to be provided with a rolling shaft, and one end of each paint spraying pipe is slidably connected on the rolling shaft in a penetrating way; and
the inner material pipe is vertically arranged in the fixed pipe, and one end of the inner material pipe is connected with each paint spray pipe.
Further, preferably, the inner cylinder tube and the bracket body are rotatably arranged, and are driven to rotate by an external motor fixed on the bracket body, and the paint spray tube is obliquely erected in the inner cylinder tube.
Further, preferably, the inner tube is capable of pneumatically conveying the spray paint to the paint nozzle.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the scanning and blending mechanism can perform multi-angle scanning imaging on a scanned object through the mechanical arm, and complete scanning work is realized in circumferential rotation around the object carrying disc, so that no field dead angle exists;
the middle side scanner can be matched with the upper scanner to perform high-precision scanning work and form complete imaging, the imaging precision is high, compared with a multi-scanning probe optical scanning three-dimensional imaging device, the system has simpler structure, is convenient for system maintenance and management, and has simpler and more convenient data processing;
the surface dimming processing component can effectively carry out reallocation processing on the color and illumination of a part of the scanned object, which is difficult to image, so as to realize the imaging integrity.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the outer ring frame of the present invention;
FIG. 3 is a schematic diagram of a scan blending mechanism according to the present invention;
FIG. 4 is a schematic view of a carriage according to the present invention;
FIG. 5 is a schematic diagram of a surface dimming processing component in accordance with the present invention;
FIG. 6 is a schematic view of a mounting ring according to the present invention;
in the figure: 1. a base; 11. a carrying tray; 12. connecting a shaft seat; 13. a mechanical arm; 14. an outer ring frame; 15. a driving motor; 2. a scanning and blending mechanism; 21. a blending frame; 22. a guide rod; 23. a frame plate; 24. a side positioning frame; 25. a side scanner; 26. fine tuning the telescopic rod; 27. an adjusting seat; 28. an upper scanner; 29. a shaft plate; 210. a telescopic guide rod; 211. a carriage; 3. a surface dimming treatment component; 31. a column frame; 32. a cross frame; 33. a steering shaft; 34. a bracket body; 35. an inner bobbin; 36. a fixed tube; 37. adjusting the lamp; 38. a reflective lamp shade; 4. a mounting ring; 41. an annular air pressure bin; 42. a paint spray pipe; 43. a roller; 44. an inner material pipe.
Detailed Description
Referring to fig. 1 to 6, in an embodiment of the invention, a computer-aided optical scanning three-dimensional imaging system includes:
a base 1;
the carrying disc 11 is rotatably arranged in the middle of the base 1 and is used for horizontally carrying and placing scanned objects;
the outer ring frame 14 is rotatably arranged on the base 1 and is in a concentric circle structure with the carrying disc 11, a driving motor 15 is arranged on the base 1, and the output end of the driving motor 15 is connected with the outer ring frame 14 for transmission through a gear meshing effect;
the connecting shaft seat 12 is fixed on the outer ring frame 14, and the mechanical arm 13 is rotatably arranged on the connecting shaft seat 12;
the scanning and blending mechanism 2 is arranged at the end part of the mechanical arm 13, and the scanning and blending mechanism 2 adopts a laser to emit laser beams to the stationary scanning objects and receives the reflected laser beams by the optical point detector;
ambient lamp holders (not shown) circumferentially distributed on the periphery of the base 1;
the surface light modulation processing assembly 3 is arranged on one side of the outer ring frame 14, which is far away from the connecting shaft seat 12;
the computer control system (not shown in the figure) is electrically connected with the mechanical arm 13, the scanning and blending mechanism 2 and the surface dimming processing component 3, and is used for controlling the movement track and speed in scanning imaging, collecting scanning data for processing and analyzing, wherein, on one hand, the object-carrying disc can control the scanning object to rotate and display autonomously, thereby realizing stable imaging, and on the other hand, the outer ring frame 14 can control the circumferential displacement of the scanning and blending mechanism 2, thereby realizing uniform high-precision imaging of light.
In this embodiment, the scan blending mechanism 2 includes:
the blending frame 21 is rotatably arranged on the mechanical arm 13, a guide rod 22 is slidably arranged on the mechanical arm 13, and one end of the guide rod 22 is connected with the blending frame 21;
a shelf plate 23 fixed to one side of the dispenser frame 21;
a side positioning frame 24 mounted on the frame plate 23, wherein a side scanner 25 is rotatably provided on the side positioning frame 24 in a horizontal direction;
the fine adjustment telescopic rod 26 is arranged on the side positioning frame 24, and the telescopic end of the fine adjustment telescopic rod 26 is connected with the side scanner 25; and
an upper scanner 28 is mounted on the chassis 23 above the side scanner 25.
In a preferred embodiment, the two side positioning frames 24 are arranged left and right, the frame plate 23 is transversely fixed with a sliding frame 211, the side positioning frames 24 are slidably and adjustably arranged on the sliding frame 211, and the deflection angle of the side scanner 25 relative to the side positioning frames 24 ranges from-75 degrees to 75 degrees, wherein the scanning three-dimensional imaging system is composed of three groups of detection heads (namely two side scanners and one upper scanner), compared with a multi-scanning detection head optical scanning three-dimensional imaging device, the system is simpler in structure and convenient to maintain and manage, and meanwhile, the data volume is less compared with the multi-scanning detection head optical scanning three-dimensional imaging device, and the data processing is simpler and more convenient.
In this embodiment, the two side scanners 25 cooperate with the upper scanner 28 to perform preliminary scanning on the outline of the scanned object preferentially in three-dimensional scanning imaging, then in three-dimensional precision scanning imaging, one of the side scanners 25 is always vertical to the surface of the scanned object, that is, one of the side scanners is vertical to the surface of the scanned object in three-dimensional precision scanning (the other side scanner is obliquely arranged and forms a scanning intersection), the first scanning operation is completed in circumferential displacement (taking the vertical arrangement of the opposite side scanner on the left side as an example, at this time, the opposite side scanner on the right side can be obliquely erected and reach a scanning visual intersection with the side scanner on the left side, the outer ring frame rotates to enable the side scanner on the left side to perform forward scanning operation on the scanned object, and the side scanner on the right side performs lateral scanning on the opposite side), the two side scanners are reversely adjusted to enable the side scanner on the right side to be vertical to the surface of the scanned object, the second scanning operation is completed in opposite displacement, so that the two scanning data are overlapped (that is, the scanning data on the right side scanner on the left side and the right side scanner is more simply and conveniently formed according to forward scanning imaging data, and the image data is more completely processed.
In this embodiment, an adjusting seat 27 is fixed on the frame plate 23 at the position of the upper scanner 28, a plurality of telescopic guide rods 210 are distributed on the adjusting seat 27, one end of each telescopic guide rod 210 is connected to the shaft plate 29 in a universal rotation manner, and the upper scanner 28 is fixed with the shaft plate 29, so that multi-angle adjustment of the upper scanner 28 can be realized, and a scanning compensation position is formed.
In this embodiment, the surface dimming processing unit 3 includes:
the column frame 31 is vertically fixed on the outer ring frame 14, a sliding seat is arranged on the column frame 31 in a sliding adjustment mode, and a transverse frame 32 is arranged on the sliding seat in a horizontal sliding mode;
a steering shaft 33 rotatably provided on the cross frame 32, wherein a shaft disc is rotatably provided on one side of the steering shaft 33, and a bracket body 34 is fixed on the shaft disc;
an inner tube 35 vertically arranged in the bracket body 34, wherein a fixed tube 36 is vertically arranged in the inner tube 35;
an adjusting lamp 37 fixed below the fixed tube 36, wherein a reflecting lampshade 38 is arranged on the inner tube 35, and the adjusting lamp 37 is arranged in the reflecting lampshade 38;
the floodlight is circumferentially distributed below the inner tube 35 and is positioned at the periphery of the adjusting lamp 37; and
the coating device is arranged in the inner bobbin 35, wherein the adjusting lamp 37 and the floodlight can perform multi-brightness adjustment work (common light sources comprise white light LEDs, laser light sources, xenon lamps and the like), the scanning and blending mechanism 2 can focus at a corresponding position in filling up the data missing of a certain shape point position of a scanned object, and at the moment, the adjusting lamp 37 and the floodlight are matched for surface dimming, so that reflected light on the surface of the object is more uniform, the influence of the non-uniformity of the reflected light on imaging is reduced, and the imaging quality and the imaging precision are improved.
As a preferred embodiment, the coating device includes:
a mounting ring 4 slidably disposed in the inner tube 35;
the annular air pressure bin 41 is fixed in the inner cylinder tube 35, an annular plug is arranged in the annular air pressure bin 41 in a sliding manner, a plurality of connecting rods are connected below the annular plug, and one end of each connecting rod is fixed with the mounting ring 4;
an air pressure pipe connected above the annular air pressure chamber 41;
the paint spray pipes 42 are circumferentially arranged, one end of each paint spray pipe 42 is connected with the mounting ring 4, a roller 43 is embedded and rotatably arranged at the end part of the inner cylinder 35, and one end of each paint spray pipe 42 is slidably connected on the roller 43 in a penetrating manner; and
an inner pipe 44 is vertically disposed in the fixed pipe 36, and one end of the inner pipe 44 is connected to each paint nozzle 42.
In this embodiment, the inner tube 35 and the support body 34 are rotatably disposed, and are driven to rotate by an external motor fixed on the support body 34, and the paint spray tubes 42 are obliquely erected in the inner tube 35, that is, for the data loss caused by scanning difficulty due to the shape and color of the surface of the scanned object, the invention can adopt a plurality of paint spray tubes 42 to add spray paint to the surface of the scanned object, so that the reflected light on the smooth and good-reflectivity surface can be uniform during scanning, thereby obtaining a clearer imaging effect.
In this embodiment, the inner tube 44 can pneumatically convey the inkjet paint (which may be gloss ink, uv curable paint, and acrylic paint) to the paint nozzle 42, so that the surface of the scanned object has higher gloss, and is suitable for making images requiring high definition and high reflectivity.
Specifically, the scanned object is placed on the object carrying disc, the outline of the scanned object is primarily scanned by the scanning allocation mechanism under the rotation action of the object carrying disc, then the computer control system calculates and analyzes the scanning route and the control distance between the scanned object and the scanned object, then in three-dimensional precision scanning imaging, one side scanner always vertically scans the surface of the scanned object in the forward direction and scans the side direction, the second scanning operation is completed again after the side scanners are reversely regulated, the two scanning data are overlapped and summarized by the computer control system, the imaging precision is high, the data processing is simpler and more convenient, and in filling the data loss at a certain point of the scanned object, the surface addition painting coating, the dimming and the like can be carried out again by matching with the surface dimming processing component, so that a clearer imaging effect is obtained.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (6)

1. A computer-aided optical scanning three-dimensional imaging system, comprising:
a base (1);
the carrying disc (11) is rotatably arranged in the middle of the base (1) and is used for horizontally carrying and placing scanned objects;
the outer ring frame (14) is rotatably arranged on the base (1) and is in a concentric circle structure with the carrying disc (11), a driving motor (15) is arranged on the base (1), and the output end of the driving motor (15) is connected with the outer ring frame (14) for transmission through a gear meshing effect;
the connecting shaft seat (12) is fixed on the outer ring frame (14), and a mechanical arm (13) is rotatably arranged on the connecting shaft seat (12);
the scanning and blending mechanism (2) is arranged at the end part of the mechanical arm (13), and the scanning and blending mechanism (2) adopts a laser to emit laser beams to the stationary scanning object and receives the reflected laser beams by the optical point detector;
the environmental lamp holders are circumferentially distributed on the periphery of the base (1);
the surface light modulation processing assembly (3) is arranged on one side of the outer ring frame (14) far away from the connecting shaft seat (12);
the computer control system is electrically connected with the mechanical arm (13), the scanning allocation mechanism (2) and the surface dimming processing component (3) and is used for controlling the movement track and speed in scanning imaging, collecting scanning data and processing and analyzing the scanning data;
the scanning deployment mechanism (2) comprises:
the blending frame (21) is rotatably arranged on the mechanical arm (13), a guide rod (22) is slidably arranged on the mechanical arm (13), and one end of the guide rod (22) is connected with the blending frame (21);
a frame plate (23) fixed on one side of the blending frame (21);
a side positioning frame (24) mounted on the frame plate (23), wherein a side scanner (25) is rotatably arranged on the side positioning frame (24) along the horizontal direction;
the fine adjustment telescopic rod (26) is arranged on the side locating frame (24), and the telescopic end of the fine adjustment telescopic rod (26) is connected with the side scanner (25); and
an upper scanner (28) mounted on the chassis (23) above the side scanner (25);
the surface dimming treatment component (3) comprises:
the column frame (31) is vertically fixed on the outer ring frame (14), a sliding seat is arranged on the column frame (31) in a sliding adjustment mode, and a transverse frame (32) is arranged on the sliding seat in a horizontal sliding mode;
a steering shaft (33) rotatably arranged on the transverse frame (32), wherein one side of the steering shaft (33) is rotatably provided with a shaft disc, and a bracket body (34) is fixed on the shaft disc;
an inner tube (35) vertically arranged in the bracket body (34), wherein a fixed tube (36) is vertically arranged in the inner tube (35);
an adjusting lamp (37) fixed below the fixed tube (36), wherein a reflecting lampshade (38) is arranged on the inner tube (35), and the adjusting lamp (37) is arranged in the reflecting lampshade (38);
the floodlight is circumferentially distributed below the inner cylinder tube (35) and is positioned at the periphery of the adjusting lamp (37); and
a coating device disposed in the inner tube (35);
the coating device includes:
a mounting ring (4) slidably disposed in the inner tube (35);
the annular air pressure bin (41) is fixed in the inner cylinder tube (35), an annular plug is arranged in the annular air pressure bin (41) in a sliding mode, a plurality of connecting rods are connected below the annular plug, and one end of each connecting rod is fixed with the mounting ring (4);
the air pressure pipe is connected above the annular air pressure bin (41);
the paint spraying pipes (42) are circumferentially arranged, one end of each paint spraying pipe (42) is connected with the mounting ring (4), a roller (43) is embedded and rotated at the end part of the inner cylinder pipe (35), and one end of each paint spraying pipe (42) is slidably connected on the roller (43) in a penetrating way; and
and the inner material pipe (44) is vertically arranged in the fixed pipe (36), and one end of the inner material pipe (44) is connected with each paint spray pipe (42).
2. A computer-assisted optical scanning three-dimensional imaging system according to claim 1, wherein the number of side positioning frames (24) is two, and the frame plates (23) are transversely fixed with sliding frames (211), the side positioning frames (24) are slidably and adjustably arranged on the sliding frames (211), and the deflection angles of the side positioning frames (24) opposite to the side scanner (25) are in the range of-75 ° to 75 °.
3. A computer-assisted optical scanning three-dimensional imaging system according to claim 1, characterized in that both side scanners (25) cooperate with an upper scanner (28) to preferentially scan the scanned object contour initially in three-dimensional scanning imaging, and then in three-dimensional precision scanning imaging, one of the side scanners (25) is always perpendicular to the scanned object surface.
4. A computer-assisted optical scanning three-dimensional imaging system according to claim 1, characterized in that an adjusting seat (27) is fixed on the frame plate (23) at the position of an upper scanner (28), a plurality of telescopic guide rods (210) are distributed on the adjusting seat (27), one end of each telescopic guide rod (210) is connected to a shaft plate (29) in a universal rotation manner, and the upper scanner (28) is fixed with the shaft plate (29).
5. A computer-aided optical scanning three-dimensional imaging system according to claim 1, characterized in that the inner tube (35) is rotatably arranged with the support body (34) and is driven to rotate by an external motor fixed on the support body (34), and the paint nozzle (42) is obliquely erected in the inner tube (35).
6. A computer-aided optical scanning three-dimensional imaging system according to claim 1, characterized in that the inner tube (44) is capable of pneumatically conveying inkjet paint to the paint nozzle (42).
CN202310473433.8A 2023-04-28 2023-04-28 Computer-aided optical scanning three-dimensional imaging system Active CN116203535B (en)

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