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1. 发明专利

JPH03193272A WELDING TORCH NOZZLE CLEANING DEVICE FOR AUTOMATIC WELDING EQUIPMENT 失效
公开(公告)号：JPH03193272A
公开(公告)日：1991-08-23
申请号：JP33126089
申请日：1989-12-22
申请人： KOBE STEEL LTD
发明人： IZUMI TOSHIYUKI , OKADA KATSUMI
IPC分类号： B23K9/29
摘要： PURPOSE:To obviate the need to align a welding torch with a nozzle cleaning part by tilting the nozzle cleaning part to a specified angle by a driving part in the orientation of a nozzle of the welding torch. CONSTITUTION:The nozzle cleaning part 8 and an atomization part 9 on the welding torch nozzle cleaning device for automatic welding equipment are moved in the X and Z directions by sliders 10 and 11 and tilts to the specified angle by a motor 15 and consequently, the need to align the welding torch with the nozzle cleaning part 8 is eliminated only by arranging it at the specified position and teaching work and the operating time for aligning can be omitted and the rate of operation of the automatic welding equipment is improved.

2. 发明专利

JPH03192404A WORK RESTART CONTROL METHOD FOR INDUSTRIAL ROBOT 失效
公开(公告)号：JPH03192404A
公开(公告)日：1991-08-22
申请号：JP33125989
申请日：1989-12-22
申请人： KOBE STEEL LTD
发明人： IZUMI TOSHIYUKI , OKADA KATSUMI
IPC分类号： B25J9/12 , B23K9/12 , G05B19/4067
摘要： PURPOSE:To eliminate necessity for executing idle work from the beginning to a work stop step and to improve the workability of a robot by identifying, converting and displaying plural work lines generated by a work jig on a picture display device. CONSTITUTION:The NC data of an execution program are read out from a RAM 24 for data and the position information of a weld start point and a weld end point are extracted as welding line data by a welding line extracting device 34 and outputted to a red line drawing device 35. Then, all the welding lines are displayed in red onto a color graphic display 31 is a color graphic display device 37. Next, the display on the display 31 is confirmed and while identifying the welding lines to which welding is completed, the color identify conversion of the welding line is executed by the operation of a decrease key 32b until the welding line just before the welding line to start welding work. Thus, only by operating a work start button after executing the color identify conversion of the welding line and the color conversion until the prescribed welding line, the work can be easily restarted from a position, where a work stop accident is generated, and the workability of the robot can be improved.

3. 发明专利

JPH02255276A METHOD FOR DETECTING END OF FILLET WELDED JOINT 失效
公开(公告)号：JPH02255276A
公开(公告)日：1990-10-16
申请号：JP7679589
申请日：1989-03-30
申请人： KOBE STEEL LTD
发明人： OKADA KATSUMI , IZUMI TOSHIYUKI
IPC分类号： B23K9/127
摘要： PURPOSE:To accurately detect the end position regardless of an end shape of a first member by using starting end and last end shape information of the first member and set information stored in advance and correcting the positional data of the detected ends. CONSTITUTION:In the end detection by the wire sensing method in a fillet welded joint, a starting end detector and a last end detector are moved to the starting end side together with a welding torch to detect the ends. The present positional data of the end detectors are fetched in an arithmetic part by using the detected signal. The end shape data of the first member stored in advance and the positional data of the distance with respect to a second member of the end detectors are read out on the arithmetic part. Based on both data of these, the present positional data of the first member are corrected by operation. By this method, the positions of the starting end and the last end are detected accurately and the occurrence of bead defects, undercuts, etc., on the starting and last ends in boxing welding on the starting end and the last end is reduced.

4. 发明专利

JPH0292460A METHOD FOR ADJUSTING WIRE EXTENSION 失效
公开(公告)号：JPH0292460A
公开(公告)日：1990-04-03
申请号：JP24225988
申请日：1988-09-29
申请人： KOBE STEEL LTD
发明人： OKADA KATSUMI , IZUMI TOSHIYUKI
IPC分类号： B23K9/00 , B23K9/127
摘要： PURPOSE:To omit adjusting work of wire extension before entering the next welding stage by retreating a torch by for arc length in the wire feed direction to cut an arc at the time of finishing welding in consumable electrode automatic arc welding. CONSTITUTION:A weld line WL is subjected to arc welding by an wire 2 by using the torch 1 and a bead B having a height H is being formed. Since an indentation C is generated at the welding finishing position, the movement of torch 1 is stopped and welding is continued till the indentation C is filled up and the torch 1 is raised as it is filled up to the height B of the bead B. When welding of the indentation C is finished, the torch 1 is pulled up by for arc length (l) at the time of finishing to cut the arc. By this method, work to adjust wire extension before entering the next welding stage is omitted and working efficiency is increased.

5. 发明专利

JPS5540040A WELDING METHOD OF REINFORCING RING BODY ON INSIDE CIRCUMFERENTIAL SURFACE OF CYLINDRICAL BODY 失效
公开(公告)号：JPS5540040A
公开(公告)日：1980-03-21
申请号：JP11202178
申请日：1978-09-11
申请人： KOBE STEEL LTD
发明人： OGATA YOUJI , NAGASHIMA HITOSHI , NISHIMURA TAKASHI , SAITOU TAKASHI , OKADA KATSUMI
IPC分类号： B23K9/028
摘要： PURPOSE:To let the captioned welding be effectively performed by increasing or decreasing the travelling speed of a track by signal of the inclination degree detecting device provided to the welding device which self travels along the inside circumferential surface of a cylindrical body and includes the truck. CONSTITUTION:A controller 17 receives the signal from a rotary generator 16 and the signal from a comparator 18 and controls and drives the drive motor 15 of a truck 9. An inclination degree detector 21 detects the angles of inclination of torches 12, 12' in their welding advancing direction and the signals thereof are amplified in an amplifier 19 and are charged to the comparator 18. The comprarator 18 compares the signals of the detector 21 and inclination angle setter 20 and gives a command to the controller 17 of the truck drive motor 15. The truck 9 is then started together with a turning roller device 6 and is driven while maintaining the preset degree of inclination to ground. Hence the welding speed is readily determined and accurately maintained by independently setting the number of revolutions of the turning roller. The torches 12, 12' perform fillet welding by sandwiching the ring body 2.

6. 发明专利

JPH04303211A WORK DATA STORING AND REPRODUCING TYPE CONTROLLER 失效
公开(公告)号：JPH04303211A
公开(公告)日：1992-10-27
申请号：JP9307191
申请日：1991-03-31
申请人： KOBE STEEL LTD
发明人： OKADA KATSUMI , IZUMI TOSHIYUKI
IPC分类号： B05B12/00 , B23K9/127 , G05B19/18 , G05B19/42
摘要： PURPOSE:To obtain a work data storing and reproducing type controller which effectively uses work condition data already corrected in accordance with work and always executes the work in an optimum work condition. CONSTITUTION:Welding condition data given from a teaching device 1 is stored in a work condition data memory 4. Welding condition data outputted from this work condition data memory 4 is stored in a work condition temporary storage means 5. An operator corrects welding condition data stored in the work condition temporary storage means 5 in accordance with the work condition by a work condition correcting means 6. Already corrected welding condition data is held in the work condition temporary storage means 5 and is used on demand.

7. 发明专利

JPH02255274A METHOD FOR REGISTERING ORIGINS OF BOTH DRIVING DEVICE 失效
公开(公告)号：JPH02255274A
公开(公告)日：1990-10-16
申请号：JP7679689
申请日：1989-03-30
申请人： KOBE STEEL LTD
发明人： OKADA KATSUMI , IZUMI TOSHIYUKI
IPC分类号： B25J9/10 , B23K9/12 , G05D3/12
摘要： PURPOSE:To surely and smoothly register the origins of both driving travel sections in a short time by allowing the driving travel sections on both sides to travel simultaneously to an origin position side and changing the speed to a low speed when the preceding driving travel section arrives at the position where the origin registration starts. CONSTITUTION:The driving travel sections 2R, 2L provided on both sides of a work are made to travel simultaneously at the high speed. The traveling speed is changed to the low speed by a detection signal when either one, for example, the driving travel section 2R arrives at the position X0+l0 where the origin registration starts. The other driving travel section 2L travels at a high speed at this time and follows up the driving travel section 2R up to the position where both the sections face each other upon lapse of a slight period of time. A limit switch 9R turns off to stop the driving travel section 2R when the driving travel section 2 R travels the distance l0. The origin coordinate position X is simultaneously stored in a controller 7 R. The origin coordinate position X0 of the driving travel section 2L is written in a controller 7L when this driving travel section ends the distance X0.

8. 发明专利

JPH057114B2 失效
公开(公告)号：JPH057114B2
公开(公告)日：1993-01-28
申请号：JP7679589
申请日：1989-03-30
申请人： KOBE STEEL LTD
发明人： OKADA KATSUMI , IZUMI TOSHUKI
IPC分类号： B23K9/127

9. 发明专利

JPH03117594A METHOD FOR CONTROLLING WORK RESTART OF INDUSTRIAL ROBOT 失效
公开(公告)号：JPH03117594A
公开(公告)日：1991-05-20
申请号：JP25209189
申请日：1989-09-29
申请人： KOBE STEEL LTD
发明人： IZUMI TOSHIYUKI , OKADA KATSUMI
IPC分类号： B25J19/06 , G05B9/02
摘要： PURPOSE:To exclude any useless operation of a robot by reloading work data in case of reoperating the robot, and designating a specified work step which is within an air cut range and is a step before or behind a stored work step as the work step in the position for restarting the work. CONSTITUTION:When loaded work data are erased by work interrupting accident occurring during the actual operation of a robot, the number of the work step where the work interrupting accident has occurred is stored in a backing up RAM 25, and the work data are reloaded from an external storage 33 into an internal storage (data RAM) 24 at the restarting of the work. An arithmetic processing unit 22 then designates a specified work step which is within an air cut range and is a step before or behind the work step of the stored number on the basis of the reloaded work data, and determines the specified work step as a work restarting point to make the robot 10 restart the work.

10. 发明专利

JPS57181764A SLIP DETECTOR FOR WELDING CARRIAGE 失效
公开(公告)号：JPS57181764A
公开(公告)日：1982-11-09
申请号：JP6673681
申请日：1981-04-30
申请人： KOBE STEEL LTD
发明人： HASHIMOTO KENICHIROU , OKADA KATSUMI
IPC分类号： B23K37/02 , B23K5/22 , B23K9/00 , B23K9/12
摘要： PURPOSE:To prevent the disturbance of weld beads and melt-down of weld zones by comparing the rotating speed of the driving wheel with that of the driven wheel of a welding carriage, detecting slips and stopping welding. CONSTITUTION:If it i assumed that a driving wheel 4 slips during traveling of a welding carriage, the rotating speed of the wheel 4 exceeds the rotating speed of a driven wheel 3, and the output voltage of the 2nd tachogenerator 10 proportional to the rotating speed of the wheel 4 rises higher than the output voltage of the 1st tachogenerator 9. When the output of an amplifier 13 that amplifies the output voltage of the tachogenerator 9 lowers smaller than the output of an amplifier 14 that amplifies the output voltage of the tachogenerator 10, electric current flows between a comparator 15 and the base of a transistor 17, and the TR17 conducts to drive a relay 16, by which a welding stop signal is emitted and the welding is stopped.

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