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公开(公告)号：US20240123537A1
公开(公告)日：2024-04-18
申请号：US18394299
申请日：2023-12-22
Inventor： Katsuaki OKUMA , Masaya HIRAYAMA , Yoshiyuki OKAZKI
CPC classification number: B23K9/1274 , B25J9/1664 , B25J11/005 , B25J19/022
Abstract: An offline teaching device provided with an acquisition unit for acquiring first production data about a workpiece to be produced, and a teaching program creation unit for acquiring a first weld line of the workpiece from the first production data, and creating and outputting a first welding teaching program for executing welding by means of a welding robot, and a first inspection teaching program for executing an inspection of a weld bead, wherein, on the basis of a second weld line, a second welding teaching program for a workpiece to be produced using second production data and a second inspection teaching program are created and output.
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公开(公告)号：US20220297246A1
公开(公告)日：2022-09-22
申请号：US17832896
申请日：2022-06-06
Inventor： Katsuaki OKUMA , Ryutaro MONDEN
IPC: B23K37/02 , B23K31/12 , B23K9/12 , G01N21/95 , G01N33/2045 , G01N33/207
Abstract: A repair welding device includes an inspection result acquisition unit configured to acquire an appearance inspection result including information about a defective portion of a weld bead of a welded workpiece produced by a main welding that is executed by a welding robot, and a robot control unit configured to instruct the welding robot to execute a repair welding on a position of the defective portion using the appearance inspection result based on a relationship between the position of the defective portion and a predetermined width related to the weld bead.
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公开(公告)号：US20240424591A1
公开(公告)日：2024-12-26
申请号：US18824110
申请日：2024-09-04
Inventor： Masaya HIRAYAMA , Katsuaki OKUMA , Yoshiyuki OKAZAKI
Abstract: An offline teaching device includes a memory storing a program, and a processor configured to execute the program stored in the memory. The processor is configured to acquire, from an inspection robot that inspects a workpiece to be produced by welding, information on positions of the workpiece and a welding robot that executes the welding, calculate a position of the workpiece and a position of the welding robot, convert a position of the workpiece with respect to the inspection robot into a position of the workpiece with respect to the welding robot, correct a position of a teaching point included in a welding teaching program used for the welding and correct a position of a teaching point included in an inspection teaching program used for the inspection of the produced workpiece, and output the corrected welding teaching program.
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公开(公告)号：US20240331574A1
公开(公告)日：2024-10-03
申请号：US18737116
申请日：2024-06-07
Inventor： Katsuaki OKUMA , Masaya Hirayama , Yoshiyuki Okazaki
Abstract: An offline teaching device includes: an acquisition unit that acquires welding line information indicating welding lines on a workpiece, sensor information indicating a measurement region of a sensor that measures an appearance shape of a bead formed on the workpiece based on the welding, and obstacle information including at least a position of an obstacle disposed between the sensor and the workpiece; a calculation unit that calculates, based on the welding line information, the sensor information, and the obstacle information, an inclusion rate indicating a rate of measurable welding lines in which measurement of the appearance shape is not impossible due to the obstacle during the measurement by the sensor; and an output unit that generates a calculation result of the inclusion rate and outputs the calculation result to a screen.
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公开(公告)号：US20220410323A1
公开(公告)日：2022-12-29
申请号：US17901578
申请日：2022-09-01
Inventor： Kazuki HANADA , Katsuaki OKUMA , Toshinari MOHRI , Takamichi KOMATSU
Abstract: A bead appearance inspection device includes an input unit configured to enter input data related to a welding bead of a workpiece produced by welding, a first determination unit configured to perform a first inspection determination related to a shape of the welding bead based on a comparison between the input data and a master data, k second determination units, where k is an integer of 1 or more, that are equipped with k types of artificial intelligence and that are configured to perform a second inspection determination related to a welding defect of the welding bead based on processings of the k types of artificial intelligence targeting the input data, and a comprehensive determination unit configured to output a result of an appearance inspection of the welding bead to an output device based on determination results of the first determination unit and the k second determination units.
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Patent Agency Ranking
公开(公告)号：US20240331575A1
公开(公告)日：2024-10-03
申请号：US18737293
申请日：2024-06-07
Inventor： Masaya HIRAYAMA , Yoshiyuki OKAZAKI , Katsuaki OKUMA
Abstract: An offline teaching device includes an acquisition unit that acquires position information of a plurality of welding lines of a workpiece and a scanning range of a sensor, a generation unit that generates a plurality of three-dimensional regions to be scanned, and a control unit that disposes the plurality of welding lines and the plurality of three-dimensional regions in a virtual space and highlights an overlapping region of each of the plurality of three-dimensional regions. The overlapping region is deleted, a new auxiliary screen in which the plurality of welding lines and at least one three-dimensional region after the deletion of the overlapping region are disposed in a virtual space is generated, and a teaching program for scanning the at least one three-dimensional region is created and output.
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公开(公告)号：US20220410322A1
公开(公告)日：2022-12-29
申请号：US17901482
申请日：2022-09-01
Inventor： Toshinari MOHRI , Shoriki NARITA , Katsuaki OKUMA , Takamichi KOMATSU
Abstract: A bead appearance inspection device includes an acquisition unit that acquires input data related to a welding bead, a storage unit that stores a first determination standard and a second determination standard used for an inspection of a defect of the welding bead, a first determination unit that executes a first inspection determination on the welding bead, and k second determination units, where k is an integer of 1 or more, that execute a second inspection determination on the welding bead. An appearance inspection result of the welding bead is created and output by using a determination result indicating whether a first inspection result acquired by the first inspection determination satisfies the first determination standard and a determination result indicating whether a second inspection result satisfies the second determination standard.
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公开(公告)号：US20220297241A1
公开(公告)日：2022-09-22
申请号：US17832862
申请日：2022-06-06
Inventor： Katsuaki OKUMA
Abstract: A repair welding device includes an acquisition unit configured to acquire an appearance inspection result including information about a position of a defective portion of a weld bead of a welded workpiece produced by a main welding that is executed by a welding robot, and a robot control unit configured to set a plurality of interpolation points on a virtual welding line of the main welding executed by the welding robot and instruct the welding robot to execute a repair welding on an interpolation point that is closest to the acquired position of the defective portion. The virtual welding line is simulated based on a main welding program for executing the main welding.
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公开(公告)号：US20250018563A1
公开(公告)日：2025-01-16
申请号：US18901795
申请日：2024-09-30
Inventor： Katsuaki OKUMA , Yoshiyuki OKAZAKI , Masaya HIRAYAMA
Abstract: An offline teaching device includes a first determination unit configured to determine whether data related to production of a workpiece to be produced by welding is changed, a second determination unit configured to determine, in a case where the first determination unit determines that the data is changed, a target whose relative position between the workpiece and a welding robot that executes the welding is changed based on the changed data, and a teaching program creation unit configured to create and output a second teaching program obtained by correcting a first teaching program for executing the welding, based on a displacement amount between a position of the target after the change of the relative position and a position of the target before the change of the relative position.
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公开(公告)号：US20240321142A1
公开(公告)日：2024-09-26
申请号：US18737086
申请日：2024-06-07
Inventor： Katsuaki OKUMA , Masaya HIRAYAMA , Yoshiyuki OKAZAKI
Abstract: This offline teaching device includes an input unit capable of receiving an operator operation; an acquisition unit that acquires position information pertaining to a weld line of a workpiece and the scan range of a sensor for scanning the external shape of the workpiece; a generation unit that generates a three-dimensional region to be scanned by the sensor on the basis of the position information pertaining to the weld line and the scan range; and a control unit that generates and outputs an assistance screen image in which the weld line and the three-dimensional region are disposed in a virtual space, and that creates and outputs, on the basis of the operator operation, a teaching program for causing a robot that drives the sensor to scan the three-dimensional region shown in the assistance screen image.
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