The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 06, 2024
Filed:
Dec. 31, 2020
Taiyuan University of Science and Technology, Taiyuan, CN;
Lifeng Ma, Taiyuan, CN;
Ziliang Li, Taiyuan, CN;
Qingxue Huang, Taiyuan, CN;
Tao Wang, Taiyuan, CN;
Dahai Jing, Taiyuan, CN;
Rongjun Wang, Taiyuan, CN;
Lianyun Jiang, Taiyuan, CN;
TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY, Taiyuan, CN;
Abstract
A device for detecting the flatness of a sheet material includes a conveyor, a gantry, a beam, an industrial camera unit, a speed measurement unit, a vibration measurement unit, a multi-line laser, a cable carrier, an industrial controller, and a control cabinet. The conveyor is disposed beneath the gantry and includes a plurality of pinch roll assemblies for feeding a sheet material. The beam is disposed on the gantry and includes a first side and a second side. The industrial camera unit is disposed on the first side of the beam and includes at least two industrial cameras. The speed measurement unit is disposed between the at least two industrial cameras. The vibration measurement unit is disposed on the second side of the beam and includes at least two distance measurement devices. The multi-line laser is disposed between the at least two distance measurement devices.