WO2003103884A1 - シーム溶接装置 - Google Patents
シーム溶接装置Info
- Publication number
- WO2003103884A1 WO2003103884A1 PCT/JP2003/007338 JP0307338W WO03103884A1 WO 2003103884 A1 WO2003103884 A1 WO 2003103884A1 JP 0307338 W JP0307338 W JP 0307338W WO 03103884 A1 WO03103884 A1 WO 03103884A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- seam welding
- work
- pair
- lower electrode
- upper electrode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/06—Resistance welding; Severing by resistance heating using roller electrodes
- B23K11/067—Resistance welding; Severing by resistance heating using roller electrodes for welding three-dimensional seams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/08—Seam welding not restricted to one of the preceding subgroups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/08—Seam welding not restricted to one of the preceding subgroups
- B23K11/082—Seam welding not restricted to one of the preceding subgroups of three-dimensional seams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/30—Features relating to electrodes
- B23K11/3036—Roller electrodes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0452—Orientable fixtures
Definitions
- the present invention relates to a seam welding apparatus capable of smoothly seam-welding a welding line formed of a two-dimensional or three-dimensional curve formed in a container such as a fuel tank for a vehicle.
- the outer peripheral ends of two press-formed members are overlapped to assemble a hollow container, and the overlapped outer peripheral ends are seam-welded with a set of electrode holes, for example, for a vehicle.
- the present invention provides a seam welding apparatus capable of smoothly performing seam welding in accordance with various welding lines of a work which has become more complicated than before, due to improvements in appearance design and functionality.
- the purpose is to provide. Disclosure of the invention
- an offset pressing mechanism in which an upper electrode roll is disposed at a position offset from a pressing axis of a pressing mechanism for pressing toward a lower electrode port side, and the pressing mechanism is biased and deactivated. Under the action of force, the upper electrode roll and the displacement mechanism can be integrally displaced along the guide mechanism.
- the rotating mechanism is configured such that the pair of electrodes are formed in such a manner that a pair of electrodes is formed with a holding portion on which the work is held by one electrode roll in correspondence with a shape of a welding line at an outer peripheral end of the work.
- the roll can be rotated by a predetermined angle along the horizontal direction . Therefore, even when the shape of the welding line of the work becomes more complicated than before due to the improvement of the appearance design and the functionality, the seam welding can be smoothly performed.
- FIG. 1 is a front view of a seam welding apparatus according to an embodiment of the present invention.
- FIG. 2 is a partially omitted enlarged front view of the offset pressing mechanism of the seam welding apparatus shown in FIG.
- FIG. 3 is a partially omitted plan view of the offset pressing mechanism shown in FIG.
- FIG. 4 is a partially omitted side view of the offset pressing mechanism shown in FIG.
- FIG. 5 is a partially omitted enlarged front view of a rotating mechanism of the seam welding apparatus shown in FIG.
- FIG. 6 is a plan view of the rotation mechanism shown in FIG.
- FIG. 7 is an operation explanatory view showing a state where the support table of the rotating mechanism shown in FIG. 5 has been rotated by a predetermined angle.
- FIG. 8 is a perspective view of a fuel tank of a motorcycle as a work.
- FIG. 9 is an explanatory view showing a state in which seam welding is performed on the outer peripheral end of the work with the upper electrode disk and the lower electrode disk.
- FIG. 10 is a partially cutaway front view showing a state in which the outer peripheral end of the work is seam-welded.
- FIG. 11 is a front view of a seam welding apparatus according to another embodiment. BEST MODE FOR CARRYING OUT THE INVENTION
- reference numeral 10 indicates a seam welding apparatus according to an embodiment of the present invention.
- This seam welding device 10 is composed of a main body 12 constructed of a plurality of frames.
- An upper and lower electrode mechanism 18 provided on the table 14 of the main body 12 and having an upper electrode disk (upper electrode port) 16a and a lower electrode disk (lower electrode roll) 16b a, 18b and the welded portion of the work 20 sandwiched between the upper electrode disk 16a and the lower electrode disk 16b,
- a rotation mechanism 26 (see FIG. 7) is provided which rotates the entire body within a range of about 90 degrees along the horizontal plane with the support 2 as a fulcrum.
- the lower electrode mechanism 18 b is fixed on the table 14 of the main body 12 at a predetermined distance, and is a set of rotatably supporting the lower electrode disk 16 b.
- the upper electrode mechanism 18a transmits the rotational driving force of the upper electrode drive motor 36 and the upper electrode drive motor 36 to rotate the upper electrode disk 16a in a predetermined direction to the upper electrode disk 16a. And a second universal joint 38.
- the diameter of the upper electrode disk 16a is set larger than that of the lower electrode disk 16b.
- a servo motor may be used for the upper electrode driving motor 36 and the lower electrode driving motor 32.
- the offset pressurizing mechanism 22 supports the upper electrode disk 16 a via a spacer 40 and is substantially orthogonal to the upper surface of the table 14 of the main body 12.
- (Displacement mechanism) 42 provided vertically displaceable along the vertical plane, and a guide mechanism 4 for guiding the upper electrode disk 16a supported by the bracket 42 along the vertical direction.
- a pressing mechanism 46 for pressing the upper electrode disk 16a toward the lower electrode disk 16b.
- the guide mechanism 44 is connected to a vertical surface of the main body 12, and a pair of guide rails 48 extending substantially in parallel in the up-down direction; and a pair of guide rails 48 connected to the bracket 42. And a guide block 50 that slides along it (see FIG. 3).
- the bracket 42 is provided so as to be displaceable along the vertical up and down direction.
- the calo consists of a pair of cylinders 54a and 54b fixed on the table 14 of the main body 12 via the fixing plate 52.
- the upper electrode disk 16a is a piston rod 56a, 56b of a cylinder 54a, 54b that functions as a pressing shaft of a pressing mechanism 46 that presses toward the lower electrode disk 16b. It is located at a position offset from b (see Fig. 4).
- the cylinders 54a, 54b are driven under the action of the supplied pressure fluid (for example, air), and the brackets 4 are moved through the piston rods 56a, 56b, which are displaced vertically. 2 can be raised and lowered. As a result, a desired load is applied to the workpiece 20 sandwiched between the upper electrode disk 16a displaced integrally with the bracket 42 and the lower electrode disk 16b fixed to the table 14. Pressure is applied.
- the supplied pressure fluid for example, air
- the rotation mechanism 26 includes a support plate 58 supporting the main body 12, a support 24 pivotally mounted on the support plate 58, and A base 60 that is provided at a lower side between the support plate 58 and a predetermined distance and supports the column 24, and a circuit that rotates in a horizontal direction by a predetermined angle about the axis of the column 24 as a fulcrum.
- the rotation element 62 includes a rotation motor (for example, a servo motor may be used) 66 fixed on the support plate 58, and a speed reducer 68 attached to the rotation motor 66. And a pinion 70 connected to the motor shaft of the rotation motor 66, and an arc-shaped rack 72 fixed to the base 60 and mating with the pinion 70.
- a rotation motor for example, a servo motor may be used
- a speed reducer 68 attached to the rotation motor 66.
- a pinion 70 connected to the motor shaft of the rotation motor 66, and an arc-shaped rack 72 fixed to the base 60 and mating with the pinion 70.
- the pinion 70 is rotated in a predetermined direction by urging the rotation motor 66 connected to a power supply (not shown), and under the action of the pinion 70 and the rack 72,
- a support plate 58 is provided rotatably within a range of about 90 degrees along a horizontal plane with the support 24 as a fulcrum (see FIG. 7). Accordingly, the upper electrode disk 16a and the lower electrode disk 16b provided on the support plate 58 are provided so as to rotate within a predetermined angle range integrally with the support plate 58. ing.
- a rotation mechanism 26 a composed of a rotation motor 66, a rotation element 62, and the like is provided on a side of a support plate 58 that is separated from the support post 24.
- an arc-shaped guide rail 74 may be interposed between the support plate 58 and the base 60.
- Reference numeral 72 a indicates an arc-shaped rack that is combined with the pinion 70.
- the welding point (holding portion) of the work 20 sandwiched and welded between the upper electrode disk 16a and the lower electrode disk 16b and the axis of the support column 24 are perpendicular to each other. They are set to match along the direction (see Figure 1).
- the main body portion adjacent to the upper electrode drive motor 36 and the lower electrode drive motor 32 is adjacent to the upper electrode drive motor 36 and the lower electrode drive motor 32
- a welding transformer 76 is fixed to the side surface of 12.
- the seam welding apparatus 10 is basically configured as described above. Next, the operation and operation and effect thereof will be described.
- this work 20 is used as a fuel tank for a motorcycle, and is assembled by superimposing outer peripheral ends 78 of two press-formed members. .
- the outer peripheral end portion 78 is provided with a welding line A (see a dashed line in FIG. 8) composed of a two- or three-dimensionally complex compound curve.
- a welding line A (see a dashed line in FIG. 8) composed of a two- or three-dimensionally complex compound curve.
- the shape of the fuel tank mounted on various motorcycles such as on-road type or off-road type is different, and the shape of the fuel tank mounted on the four-wheeled vehicle is also formed in different shapes. I have. Therefore, the shape of the fuel tank differs according to the type, type, etc. of the vehicle, and the shape of the welding line A formed in each type of fuel tank also differs.
- the shape of the fuel tank changes in various ways due to the improvement in appearance design and functionality, and in response to the change in the shape of the fuel tank, the shape of the welding line A has become more complicated than in the past. Is formed.
- the work 20 is held, for example, via a work holding jig 82 such as a bracket on a known articulated robot arm 80 provided displaceably in multiple axes including three axes of XYZ, By operating the arm 80, the work 20 can be displaced. (See Figure 1).
- a work holding jig 82 such as a bracket on a known articulated robot arm 80 provided displaceably in multiple axes including three axes of XYZ, By operating the arm 80, the work 20 can be displaced. (See Figure 1).
- the rotation of the upper electrode disk 16a and the lower electrode disk 16b by the upper electrode drive motor 36 and the lower electrode drive motor 32 and the operation of the arm 80 of the articulated robot are not shown.
- the rotation speeds of the upper electrode drive motor 36 and the lower electrode drive motor 32 are controlled by motor control signals output from the controller.
- desired numerical control information corresponding to the welding line A of the work 20 or the like is input to the controller in advance, and the articulated robot performs various types of control based on robot control signals output from the controller. Is controlled.
- a control signal from the controller is input to the rotation motor 66 provided in the rotation mechanism 26, and the rotation motor 66 is controlled based on the control signal. Therefore, as described later, the rotation angle of the upper electrode disk 16a and the lower electrode disk 16b can be controlled by a control signal from the controller.
- the upper electrode disk 16a and the lower electrode disk 16b are in a state of being separated by a predetermined distance in advance by the offset pressurizing mechanism 22, and a set of cylinders 54a, which function as a pressurizing actuator,
- a set of cylinders 54a which function as a pressurizing actuator
- the outer peripheral end 78 (welding start position) of the work 20 is sandwiched between the fixed lower electrode disk 16b and the fixed upper electrode disk 16a, and the cylinders 54a, 54b A predetermined pressing force is applied to the outer peripheral end portion 78 by the pressing action of the upper electrode disk 16a.
- the upper electrode disk 16a and the lower electrode disk 16b are controlled via a controller. And the upper electrode The disk 16a and the lower electrode disk 16b are driven to rotate, and seam welding is performed along the welding line A formed at the outer peripheral end 78 of the work 20 (see FIG. 10).
- the rotation motor 66 is energized based on a control signal output from a controller (not shown), Under the combined action of the pinion 70 and the rack 72, which are driven to rotate by the rotation motor 66, the support plate 58 rotates by a predetermined angle along the horizontal plane with the support 24 as a fulcrum.
- the upper electrode disk 16a and the lower electrode disk 16b provided on the support plate 58 rotate integrally with the support plate 58 by a predetermined angle along a horizontal plane with the support 24 as a fulcrum.
- the welding point (holding portion) of the workpiece 20 to be welded by the upper electrode disk 16a and the lower electrode disk 16b is set so that the axis of the column 24 coincides with the axis of the column 24 in the vertical direction. (See FIG. 1), the circular disk planes of the upper electrode disk 16a and the lower electrode disk 16b extend along the horizontal direction while the welding point of the workpiece 20 is kept constant. Rotate by a predetermined angle.
- the circular disk planes of the upper electrode disk 16a and the lower electrode disk 16b are oriented within an angle of about 90 degrees with respect to a vertical line passing through the welding point of the workpiece 20. It is provided so as to rotate in the horizontal direction.
- the present embodiment can function as a pressure actuator. Under the driving action of the pair of cylinders 54a and 54b, the bracket 42 and the upper electrode disk 16a are vertically displaced along the guide rail 48 vertically and offset pressurized. By providing the mechanism 22, stable seam welding can be performed without interference with the arm 80 of the mouth pot holding the work 20.
- a suitable pressing force is applied to the welding portion of the work 20 by the offset pressurizing mechanism 22, so that the work can be smoothly performed. Seam welding can be performed.
- the upper electrode disk 16a and the lower electrode disk 16b are fixed along the horizontal plane while the welding point (holding point) of the workpiece is kept constant without changing. Since it is provided to rotate at an angle, even if the shape of the welding line of the work becomes more complicated than before due to the improvement of appearance design and functionality, seam welding can be performed smoothly. Can be accomplished. Furthermore, in the present embodiment, even if welding line A (see FIG.
- the upper electrode disk 16a and the lower electrode disk 16b can be rotated with a simple structure without increasing the size and weight of the entire device.
- the vibration during the operation of the articulated robot does not affect the finish of the welded surface of the work 20, and the finish accuracy can be improved.
- the appearance design and the functionality are improved as compared with the related art. Even when the shape of the work becomes more complicated, stable seam welding can be performed without interfering with the robot arm that holds the work.
- the operating range of the arm of the robot holding the work can be increased.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Resistance Welding (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2003242186A AU2003242186A1 (en) | 2002-06-11 | 2003-06-10 | Seam welding apparatus |
| EP03730874A EP1514629A4 (en) | 2002-06-11 | 2003-06-10 | CONTINUOUS WELDING APPARATUS |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002170078A JP2004009131A (ja) | 2002-06-11 | 2002-06-11 | シーム溶接装置 |
| JP2002-170108 | 2002-06-11 | ||
| JP2002170108A JP2004009132A (ja) | 2002-06-11 | 2002-06-11 | シーム溶接装置 |
| JP2002-170078 | 2002-06-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2003103884A1 true WO2003103884A1 (ja) | 2003-12-18 |
Family
ID=29738358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2003/007338 Ceased WO2003103884A1 (ja) | 2002-06-11 | 2003-06-10 | シーム溶接装置 |
Country Status (3)
| Country | Link |
|---|---|
| EP (2) | EP2070630A3 (ja) |
| AU (1) | AU2003242186A1 (ja) |
| WO (1) | WO2003103884A1 (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101934423A (zh) * | 2009-06-26 | 2011-01-05 | 本田技研工业株式会社 | 缝焊设备和缝焊方法 |
| CN106670708A (zh) * | 2016-12-26 | 2017-05-17 | 东莞市蓉工自动化科技有限公司 | 一种便于调节焊接角度的油箱夹持机构 |
| CN113510426A (zh) * | 2021-07-13 | 2021-10-19 | 东莞市森亓电子有限公司 | 一种温度传感器焊接设备 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6538132B2 (ja) | 2017-09-29 | 2019-07-03 | 本田技研工業株式会社 | 燃料タンクおよび鞍乗り型車両 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4738294B1 (ja) * | 1967-05-01 | 1972-09-27 | ||
| JPS5144756Y1 (ja) * | 1969-06-21 | 1976-10-29 | ||
| JPH0368791A (ja) | 1989-08-04 | 1991-03-25 | Canon Inc | 水素貯蔵体への水素吸蔵方法および装置 |
| JPH0647557A (ja) | 1992-07-30 | 1994-02-22 | Dengensha Mfg Co Ltd | ワ−ク自動送りシ−ム溶接方法及び装置 |
| JPH07241684A (ja) | 1994-03-03 | 1995-09-19 | Daihatsu Motor Co Ltd | 燃料タンクのシーム溶接方法及び装置 |
| JPH1099972A (ja) * | 1996-09-30 | 1998-04-21 | Dengensha Mfg Co Ltd | 数値制御式抵抗シーム溶接方法と装置 |
| JP3068791B2 (ja) * | 1996-08-26 | 2000-07-24 | 川崎製鉄株式会社 | 鋼片の連続熱間圧延方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2389034A (en) * | 1944-02-18 | 1945-11-13 | Eisler Engineering Company | Welding machine |
| GB2175874B (en) * | 1985-05-29 | 1988-10-12 | Honda Motor Co Ltd | Workpiece feeding apparatus in a seam welding machine |
| IT1268100B1 (it) * | 1994-10-07 | 1997-02-20 | Stola Spa | Dispositivo per la saldatura di scocche di autoveicolo o di loro sotto-gruppi. |
-
2003
- 2003-06-10 EP EP09156768A patent/EP2070630A3/en not_active Withdrawn
- 2003-06-10 AU AU2003242186A patent/AU2003242186A1/en not_active Abandoned
- 2003-06-10 WO PCT/JP2003/007338 patent/WO2003103884A1/ja not_active Ceased
- 2003-06-10 EP EP03730874A patent/EP1514629A4/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4738294B1 (ja) * | 1967-05-01 | 1972-09-27 | ||
| JPS5144756Y1 (ja) * | 1969-06-21 | 1976-10-29 | ||
| JPH0368791A (ja) | 1989-08-04 | 1991-03-25 | Canon Inc | 水素貯蔵体への水素吸蔵方法および装置 |
| JPH0647557A (ja) | 1992-07-30 | 1994-02-22 | Dengensha Mfg Co Ltd | ワ−ク自動送りシ−ム溶接方法及び装置 |
| JPH07241684A (ja) | 1994-03-03 | 1995-09-19 | Daihatsu Motor Co Ltd | 燃料タンクのシーム溶接方法及び装置 |
| JP3068791B2 (ja) * | 1996-08-26 | 2000-07-24 | 川崎製鉄株式会社 | 鋼片の連続熱間圧延方法 |
| JPH1099972A (ja) * | 1996-09-30 | 1998-04-21 | Dengensha Mfg Co Ltd | 数値制御式抵抗シーム溶接方法と装置 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP1514629A4 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101934423A (zh) * | 2009-06-26 | 2011-01-05 | 本田技研工业株式会社 | 缝焊设备和缝焊方法 |
| US8304683B2 (en) | 2009-06-26 | 2012-11-06 | Honda Motor Co., Ltd. | Seam welding apparatus and seam welding method |
| CN106670708A (zh) * | 2016-12-26 | 2017-05-17 | 东莞市蓉工自动化科技有限公司 | 一种便于调节焊接角度的油箱夹持机构 |
| CN113510426A (zh) * | 2021-07-13 | 2021-10-19 | 东莞市森亓电子有限公司 | 一种温度传感器焊接设备 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2070630A3 (en) | 2009-12-09 |
| EP1514629A4 (en) | 2008-03-12 |
| EP1514629A1 (en) | 2005-03-16 |
| AU2003242186A1 (en) | 2003-12-22 |
| EP2070630A2 (en) | 2009-06-17 |
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