Auxiliary internal lighting system and welding method for axial weld recognition of straight seam pipe
A lighting system and straight seam technology, applied in auxiliary welding equipment, welding/cutting auxiliary equipment, welding equipment, etc., can solve the problems of poor recognition effect and weak scattered light on the surface of pipes
Active Publication Date: 2022-02-11
苏州实创德光电科技有限公司
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Problems solved by technology
[0004] Aiming at the deficiencies of the prior art, the present invention provides an auxiliary internal lighting system for automatic identification of axial welds of straight seam pipes. Solved the problem that when the structured light method is used to identify the weld seam of a straight seam pipe with an extremely smooth surface, the recognition effect is poor due to the extremely weak scattered light on the surface of the pipe
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[0043] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0044] Such as Figure 2-3 As shown, the auxiliary internal lighting system for longitudinal seam identification of straight seam pipes includes metal sheet 201, coiling roller 202, rough positioning column 203, welding head 204, welding pool 205, welding seam 206, and internal lighting system 207 , industrial camera 208, optical filter 209, such as Figure 4-6 As shown, the internal lighting system 207 includes a main support frame 301, an LED window 302, a main support cavity 304, an LED light source 303, a cooling water circulat...
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The invention discloses an auxiliary internal lighting system and a welding method for identifying the axial weld seam of a straight seam pipe. A main support cavity is arranged in the middle of the main support frame, a cooling water circulation pipeline is arranged on the back of the main support frame, and the front and back of the main support frame A compressed gas blowing pipe is installed, an LED light source is installed at one end of the main supporting frame, and a transparent window is arranged above the LED light source. The inner lighting system starts from the curled side of the metal sheet and extends under the weld seam. The side of the metal sheet rotates and is equipped with a rolling roller , An industrial camera is fixedly installed above the weld seam, a weld pool is arranged on the weld seam, a moving welding head is arranged above the weld seam, and a coarse positioning column is fixedly arranged at the rear end of the internal lighting system. The present invention can select differentiated LED light sources in the lighting system according to the radiation spectrum of the actual materials to be welded, and use them with corresponding optical filters at the industrial camera.
Description
technical field [0001] The invention relates to the technical field of laser welding, in particular to an auxiliary internal lighting system and a welding method for identifying axial welds of straight seam pipes. Background technique [0002] Straight seam metal pipes are widely used in the fields of tap water, petrochemical, agriculture and electric power due to their excellent cost performance, and are a common engineering material in industrial applications. Straight seam metal pipes are generally formed by crimping and welding metal plates, so the welding process directly affects the quality and production efficiency of straight seam pipes. During welding, the curling of the metal plate is a gradual process. Since the welding head (welding torch or laser welding head, etc.) Small and set a number of positioning columns from thick to thin to constrain the spatial position of the weld (such as figure 1 As shown, the working method is that the metal plate passes successi...
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IPC IPC(8): G01B11/03B23K37/00F21V33/00B23K101/06F21Y115/10
CPCB23K37/00F21V33/00B23K2101/06F21Y2115/10
Inventor 张渊廉小斌
Owner 苏州实创德光电科技有限公司