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Calibration device for 3D scanner and intraoral 3D scanner

A calibration device and scanner technology, applied in the field of three-dimensional scanning, can solve the problems of large three-dimensional space fitting errors, and achieve the effect of stable center and coaxial

Active Publication Date: 2021-07-09
SHINING 3D TECH CO LTD
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Problems solved by technology

[0006] The present invention provides a calibration device for a three-dimensional scanner and an intraoral three-dimensional scanner to solve the problem in the prior art that the three-dimensional space fitting error is relatively large when the scanner is calibrated

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  • Calibration device for 3D scanner and intraoral 3D scanner
  • Calibration device for 3D scanner and intraoral 3D scanner
  • Calibration device for 3D scanner and intraoral 3D scanner

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Embodiment Construction

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0027] Such as Figure 1 to Figure 4 As shown, the embodiment of the present invention provides a calibration device for a three-dimensional scanner, wherein the calibration device for a three-dimensional scanner includes: a calibration plate 10 for calibrating the scanner; a moving part 20, t...

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Abstract

The present invention provides a calibration device for a three-dimensional scanner and an intraoral three-dimensional scanner, wherein the calibration device for a three-dimensional scanner includes: a calibration plate for calibrating the scanner; The rod extends along the first direction and is driven by a motor, the first end of the screw rod is driven and connected with the calibration plate; the reference part, the position of the motor is movably arranged on the reference part, and the second end of the screw rod is threaded with the reference part connected so that when the moving part moves in the first direction, it drives the calibration plate to move back and forth and rotate. The technical scheme provided by the invention can solve the problem of large three-dimensional space fitting error in the prior art when the scanner is calibrated.

Description

technical field [0001] The invention relates to the technical field of three-dimensional scanning, in particular to a calibration device for a three-dimensional scanner and an intraoral three-dimensional scanner. Background technique [0002] When calibrating the original data of the 3D scanner, the conventional technical method is: let the 3D scanner collect data from the calibration plate at a specific angle and specific distance, and then fit the background reference parameters used by the software calculation when obtaining the subsequent scanned object. The above-mentioned three-dimensional scanner is used to collect data on the calibration plate at a specific angle and a specific distance, and the calibration plate / three-dimensional scanner machine is mainly adjusted by means of motor drive. [0003] Among them, when adjusting the position of the calibration plate in a motor-driven manner, it is easy to cause the following problems: the transmission mode of the convent...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B11/24
CPCG01B11/24
Inventor 冯海龙张伟蒋建福
Owner SHINING 3D TECH CO LTD
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