WO2021003914A1 - Pince pour soudage par friction-malaxage - Google Patents

Pince pour soudage par friction-malaxage Download PDF

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Publication number
WO2021003914A1
WO2021003914A1 PCT/CN2019/116310 CN2019116310W WO2021003914A1 WO 2021003914 A1 WO2021003914 A1 WO 2021003914A1 CN 2019116310 W CN2019116310 W CN 2019116310W WO 2021003914 A1 WO2021003914 A1 WO 2021003914A1
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WO
WIPO (PCT)
Prior art keywords
frame
pressing
friction stir
stir welding
base
Prior art date
Application number
PCT/CN2019/116310
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English (en)
Chinese (zh)
Inventor
蔡小认
郭敬
马宏波
林涛
朱振友
Original Assignee
江苏北人机器人系统股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 江苏北人机器人系统股份有限公司 filed Critical 江苏北人机器人系统股份有限公司
Publication of WO2021003914A1 publication Critical patent/WO2021003914A1/fr

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    • 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
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
    • B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
    • B23K20/1245—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding characterised by the apparatus
    • B23K20/126—Workpiece support, i.e. backing or clamping
    • 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 to a procedure covered by only one of the preceding main groups
    • B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0426—Fixtures for other work
    • B23K37/0435—Clamps
    • B23K37/0443—Jigs

Definitions

  • the invention relates to the field of welding, in particular to a clamp for friction stir welding.
  • Friction stir welding refers to the use of a high-speed rotating stirring needle and the workpiece to be welded to generate heat to locally plasticize the welded workpiece.
  • the plasticized material acts on the rotational friction of the stirring needle
  • the bottom flows from the front of the stirring needle to the rear, and a dense friction stir welding seam is formed under the extrusion of the stirring needle.
  • Friction stir welding does not require high equipment, but the rigidity of welding equipment and fixtures is extremely important.
  • Traditional friction stir welding fixtures have the following shortcomings: 1) If the outer dimensions of the plates to be welded are relatively similar, the traditional fixtures lack a reasonable and correct error-proof structure; 2) the traditional fixtures have insufficient clamping force and stir The down force of the stir needle in friction welding is 1T. Under such a large pressure, the gap between the plates will change due to deformation and other reasons during the welding process, which will affect the welding quality; 3) The traditional fixture has no The anti-deformation function makes the quality of welding products unable to meet customer requirements.
  • the purpose of the present invention is to provide a jig for friction stir welding.
  • the present invention provides a fixture for friction stir welding, which is used to clamp the frame to be welded and the aluminum plate;
  • the fixture for friction stir welding includes: a base;
  • the base is used to support the frame and the aluminum plate;
  • the positioning structure is arranged between the base and the frame to position the frame;
  • the pressing mechanism is rotatably connected to the base to compress The frame and the aluminum plate;
  • a turning drive mechanism fixed on the base, and used to drive the pressing mechanism to turn.
  • the positioning structure includes a mounting bar connected to the periphery of the frame and having a positioning hole, and a positioning pin provided on the base to cooperate with the positioning hole.
  • the pressing mechanism includes a pressing frame rotatably connected to the base and used to press the frame, and a pressing frame connected to the pressing frame to press the aluminum plate Plate; the turning drive mechanism acts on the compression frame.
  • the frame includes a plurality of parallel and spaced beams, and longitudinal beams connecting the ends of the plurality of beams in sequence;
  • the compression frame includes longitudinal beams corresponding to the longitudinal beams.
  • a beam compression frame, a beam compression frame corresponding to the beam, and the compression mechanism further includes a plurality of auxiliary compression members separately arranged on the longitudinal beam compression frame and/or the cross beam compression frame .
  • the auxiliary pressing member is a disc spring and/or a downward pressure oil cylinder.
  • the pressing mechanism further includes a magnet provided on the support frame at a position corresponding to the aluminum plate, and a connecting structure for movably connecting the pressing plate to the pressing frame , The magnet is used for attracting the pressing plate so that the pressing plate presses the aluminum plate.
  • connection structure includes a retractable plug provided on one of the compression plate and the compression frame, a driving member for driving the expansion and contraction of the plug, and the other On the upper pin seat that matches the pin.
  • the compression frame includes a rotating end and a free end disposed opposite to the rotating end; the compression mechanism also includes a plurality of locks arranged on the base to lock the free end Tight pieces.
  • the locking member includes a locking block matched with the free end, and a driving member arranged on the base to drive the locking block to rotate.
  • the jig for friction stir welding further includes a guide provided on the base to guide the frame to be supported on the support frame.
  • the clamp used for friction stir welding further includes a limiting member arranged on the base and used for limiting the turning position of the pressing mechanism.
  • the beneficial effect of the present invention is that the fixture for friction stir welding of the present invention accurately positions the frame by setting a positioning structure to ensure that the frame and the aluminum plate are completely positioned, avoiding positioning problems that affect the welding quality, and at the same time,
  • the reversing drive mechanism automatically drives the pressing mechanism to compress the frame and the aluminum plate, reducing manual operations and improving welding efficiency, and the pressing mechanism can provide sufficient pressing force to prevent damage during welding.
  • the gap between the frame and the aluminum plate is changed, which further improves the welding quality.
  • Fig. 1 is a schematic diagram of the structure of the fixture for friction stir welding of the present invention after clamping a frame and an aluminum plate.
  • Fig. 2 is a schematic structural diagram of the battery box in Fig. 1 after welding.
  • Fig. 3 is a schematic diagram of the structure of the jig for friction stir welding in Fig. 1.
  • FIG. 4 is a schematic diagram of an enlarged structure at A in FIG. 3.
  • Fig. 5 is a schematic diagram of an enlarged structure at B in Fig. 3.
  • Fig. 6 is a schematic diagram of the structure of the beam pressing frame in Fig. 3.
  • FIG. 7 is a schematic structural diagram of the longitudinal beam compression frame in FIG. 3.
  • Fig. 8 is an exploded view of the clamp for friction stir welding in Fig. 3 after the compression frame and the compression plate are removed.
  • FIGS. 1 to 8 are preferred embodiments of the present invention.
  • FIGS. 1 to 8 are preferred embodiments of the present invention.
  • FIGS. 1 to 8 are preferred embodiments of the present invention.
  • the functions, methods, or structural equivalent changes or substitutions made by those of ordinary skill in the art according to these embodiments fall within the protection scope of the present invention.
  • connection should be understood in a broad sense.
  • a connection can be a direct connection or an indirect connection through an intermediary, a fixed connection, an active connection, or an alternative connection. Disassembly connection or integrated connection.
  • the present invention provides a clamp 100 for friction stir welding, which is used to clamp the frame 10 and the aluminum plate 20 to be welded, so as to facilitate subsequent welding and improve welding quality.
  • the frame and aluminum plate are welded to form the car battery box 200 as an example for specific explanation, but it should be noted that the technical spirit involved in the following embodiments is not limited to the car battery box 200 clamping and welding.
  • the frame 10 includes a plurality of parallel beams 101 arranged at intervals, and a longitudinal beam 102 connecting the ends of the plurality of beams 101 in sequence.
  • the frame 10 in the automobile battery box 200 includes five beams 101 and two longitudinal beams 102, and the automobile battery box 200 includes four aluminum plates 20 arranged side by side. The aluminum plate 20 and the frame 10 are welded together to form the automobile battery box 200.
  • the fixture 100 for friction stir welding includes a base 1, a support frame 2 provided on the base 1 and the base 1 and the frame 10.
  • the pressing mechanism 4 rotatably connected to the base 1 to compress the frame 10 and the aluminum plate 20, and the pressing mechanism 4 to drive the pressing mechanism 4 to turn over A turning drive mechanism 5 and a control unit
  • the turning drive mechanism 5 is in communication with the control unit, and the frame 10 is accurately positioned by setting the positioning structure 3 to ensure that the frame 10 and the aluminum plate 20 are completely positioned .
  • the pressing mechanism 4 is automatically driven to compress the frame 10 and the aluminum plate 20 through the turning drive mechanism 5, which reduces manual operations and improves welding efficiency.
  • the mechanism 4 can provide a sufficiently large pressing force to prevent the gap between the frame 10 and the aluminum plate 20 from changing during the welding process, and further improve the welding quality.
  • the control unit can use the control unit in the existing friction stir welding jig, or it can be additionally provided. It is understandable that the control unit only needs to be able to control the jig 100. Here, no Repeat it again.
  • the support frame 2 is used to support the frame 10 and the aluminum plate 20 to be welded.
  • the specific structure of the support frame 2 is not specifically limited, as long as the support frame 2 is set to achieve the The effective support of the frame 10 and the aluminum plate 20 is sufficient.
  • the positioning structure 3 includes a mounting bar 31 connected to the periphery of the frame 10 and having a positioning hole 311, and a positioning pin provided on the base 1 to cooperate with the positioning hole 311 32. After the frame 10 is supported on the support frame 2, as long as the positioning pins 32 protrude into the corresponding positioning holes 311, the positioning of the frame 10 can be achieved.
  • the structure is simple and can be The frame 10 is prevented from moving during the welding process, and the deformation amount of the frame 10 during the welding process can be reduced, and the welding effect can be enhanced. Of course, it is not limited to this. It can be understood that the positioning structure 3 may also be configured as other structures, for example, the positioning holes may also be configured as positioning grooves.
  • positioning hole 311 on the mounting bar 31 at a position corresponding to the positioning pin 32, and a plurality of positioning holes may be additionally provided on the mounting bar 31. 311.
  • the specific position of the positioning pin 32 can be adjusted according to the position of other structures on the base 1 to enhance the versatility of the frame 10.
  • the pressing mechanism 4 includes a pressing frame 41 rotatably connected to the base 1 and used to press the frame 10, and a pressing frame 41 connected to the pressing frame 41 to press the aluminum plate 20
  • the pressing plate 42, the turning drive mechanism 5 acts on the pressing frame 41 to drive the pressing frame 41 to turn over.
  • the pressing plate 42 is synchronously driven Flip; thus, a compression frame 41 used to compress the frame 10 and a compression plate 42 used to compress the aluminum plate 20 are respectively provided, adding the compression mechanism 4 and the frame 10 and the aluminum plate
  • the pressing area between 20 enhances the pressing effect of the pressing mechanism 4 on the frame 10 and the aluminum plate 20, reduces the deformation and displacement during the welding of the frame 10 and the aluminum plate 20, and strengthens welding effect.
  • one end of the turning drive mechanism 5 is connected to the base 1 and the other end is connected to the pressing frame 41 to drive the pressing frame 41 to turn over.
  • the turning drive mechanism 5 is a hydraulic cylinder, one end of the hydraulic cylinder is rotatably connected to the base 1, and the other end is rotatably connected to the compression frame 41, so that it can pass through the The hydraulic cylinder realizes the function of driving the pressing frame 41 to turn over.
  • the structure of the hydraulic cylinder can follow the structure of an existing hydraulic cylinder, which will not be repeated here.
  • the compression frame 41 includes a longitudinal beam compression frame 411 corresponding to the longitudinal beam 102 and a cross beam compression frame 412 corresponding to the cross beam 101.
  • the pressing mechanism 4 further includes a plurality of auxiliary pressing parts separately arranged on the longitudinal beam pressing frame 411 and/or the cross beam pressing frame 412 to compress the pressing mechanism 4 After the frame 10, the auxiliary pressing member provides a larger pressing force to the frame 10 to prevent the frame 10 from deforming during the welding process.
  • the auxiliary pressing member includes a plurality of disc springs 43 separately arranged on the longitudinal beam pressing frame 411 to act on the longitudinal beam 102.
  • the disc springs 43 have a large load, a short stroke, and a It has the characteristics of small space, and is suitable for installation on the longitudinal beam compression frame 411, and when the longitudinal beam compression frame 411 compresses the longitudinal beam 102, the disc spring 43 can provide the longitudinal beam 102 Provides a large pressing force to prevent the longitudinal beam 102 from being deformed during the welding process.
  • each longitudinal beam compression frame 411 a plurality of disc springs 43 on each longitudinal beam compression frame 411 are evenly distributed on the longitudinal beam compression frame 411, so as to provide uniform compression force to the longitudinal beam 102 and further prevent The longitudinal beam 102 is deformed during the welding process.
  • eight disc springs 43 are provided on each of the longitudinal beam compression frames 411, and every two disc springs 43 of the eight disc springs 43 and the four aluminum plates 20 One of them corresponds to it and is evenly distributed on the longitudinal beam compression frame 411; of course, it is not limited to this.
  • the specific structure of the disc spring 43 can follow the structure of the existing disc spring, or it can be additionally provided, which will not be repeated here.
  • the auxiliary pressing member further includes a plurality of downward pressing oil cylinders 44 separately arranged on the beam pressing frame 412 to act on the corresponding beam 101.
  • the beam pressing frame 412 presses the beam 101
  • the lower pressure cylinder 44 can provide a greater downward pressing force to the cross beam 101 to prevent the cross beam 101 from being deformed during the welding process; of course, it is not limited to this, it can be understood that
  • the disc spring can also be provided as the auxiliary compression member on the beam compression frame 412.
  • the lower pressure cylinder 44 can also be provided on the longitudinal beam compression frame 411 as the auxiliary compression member. Auxiliary compression piece.
  • the lower pressure oil cylinder 44 includes an oil cylinder 441 fixedly connected to the beam pressing frame 412, and at least one lower pressure rod 442 connected to the piston of the oil cylinder 441, and the lower pressure rod 442 is away from the One end of the oil cylinder 441 provides a relatively large pressing force to the beam 101 under the action of the oil cylinder 441 to prevent the beam 101 from being deformed during the welding process.
  • each of the lower pressure cylinders 44 includes two lower pressure rods 442 to enhance the pressing effect and stability of the lower pressure cylinder 44 on the beam 101.
  • each of the beam pressing frames 412 is evenly provided with 3 sets of the downward pressure cylinders 44, after the beam pressing frame 412 compresses the beam 101, the beam 101 is provided with uniform pressure The tightness further prevents the beam 101 from deforming during the welding process.
  • the pressing mechanism 4 also includes a magnet 45 arranged on the supporting frame 2 at a position corresponding to the aluminum plate 20, and a movably connecting the pressing plate 42 to the pressing frame 41
  • the connecting structure 46, the magnet 45 is used to attract the pressing plate 42 so that the pressing plate 42 presses the aluminum plate 20, and at the same time, the magnet 45 can support the aluminum plate 20 so that the aluminum plate 20 There will be no displacement during the welding process.
  • the pressing plate 42 is a metal plate that can be attracted by the magnet 45, and preferably, the pressing plate 42 is a steel plate.
  • the purpose of the above-mentioned movable connection is to allow the pressing plate 42 to have a certain moving space in the height direction, so that after the pressing mechanism 4 is turned over to the position where the frame 10 is pressed,
  • the magnet 45 can attract the pressing plate 42 so that the pressing plate 42 presses the aluminum plate 20, and the magnet 45 can simultaneously support the aluminum plate 20 to increase the contact of the pressing plate 42.
  • the pressing force and action area of the aluminum plate 20 reduce the deformation of the aluminum plate 20 during the welding process, and at the same time, prevent the aluminum plate 20 from being displaced during the welding process, thereby enhancing the welding effect.
  • the supporting frame 2 is recessed with a fixing groove 21 for fixing the magnet 45, that is, the magnet 45 can be completely received in the fixing groove 21, and the aluminum plate 20 is not affected by the magnet. 45 deforms the attraction of the pressing plate 42, and at the same time, the magnet 45 can provide a stable supporting force to the aluminum plate 20.
  • the connecting structure 46 includes a retractable pin 461 provided on one of the pressing plate 42 and the pressing frame 41, and a driving member for driving the pin 461 to expand and contract. 462.
  • a pin seat 463 that is provided on the other one that matches with the pin 461 is provided with a pin hole 4631 that matches the pin 461, and the drive member 462 and the control Unit communication connection.
  • the driving member 462 drives the pin 461 to extend into the pin hole 4631, so that the pressing plate 42 can rotate synchronously with the pressing frame 41; After the pressing mechanism 4 is turned over to the position where the frame 10 is pressed, the driving member 462 drives the pin 461 to disengage from the pin hole 4631.
  • the pressing plate 42 is disengaged from the press Tighten the frame 41, so that the pressing plate 42 can press the aluminum plate 20 under the attraction of the magnet 45; on the other hand, the connecting structure 46 will not affect the aluminum plate 20 and the frame 10 The welding stroke between, that is, the connecting structure 46 will not interfere with the stirring head, preventing the welding between the frame 10 and the aluminum plate 20 from being affected.
  • the latch seat 463 is disposed on the pressing plate 42, and the latch 461 and the driving member 462 are disposed on the pressing frame 41.
  • the driving member 462 is a hydraulic cylinder block
  • the plug pin 461 is piston connected to the hydraulic cylinder block, that is, the driving member and the plug pin as a whole can be regarded as a hydraulic cylinder, so The driving member 462 can drive the plug pin 461 to expand and contract; of course, it is not limited to this.
  • the pressing frame 41 includes a rotating end rotatably connected with the base 1 and a free end disposed opposite to the rotating end; the pressing mechanism 4 also includes a base 1 for locking the free end. After the pressing mechanism 4 is turned over to the position where the frame 10 and the aluminum plate 20 are pressed, the multiple locking pieces 47 lock the free end to strengthen the The stability of the pressing mechanism 4 enhances the pressing effect of the pressing mechanism 4 and is beneficial to improving the welding effect.
  • each of the locking members 47 includes a locking block 471 that cooperates with the free end, and a locking driving member arranged on the base 1 to drive the locking block 471 to rotate. 472.
  • the locking driving member 472 is communicatively connected with the control unit.
  • the locking driver 472 is a hydraulic cylinder
  • the locking block 471 is rotatably connected to the hydraulic rod of the hydraulic cylinder
  • the locking block 471 is rotatably connected to the cylinder seat of the hydraulic cylinder Therefore, the linear movement of the hydraulic rod can be converted into the rotational movement of the locking block 471, so that the locking block 471 can lock or unlock the free end.
  • the locking block 471 may also be configured to move up and down or back and forth linearly to lock or unlock the free end.
  • the jig 100 for friction stir welding further includes a plurality of guides 6 arranged on the base 1 to guide the frame 10 to be supported on the supporting frame 2 to align the frame 10 Performing initial positioning and subsequent fine-tuning can achieve precise positioning of the welding position of the frame 10 through the positioning structure 3.
  • Each of the guides 6 includes a fixed plate 61 fixed on the base 1 and extending in the up-down direction, and a guide extending upward from the upper end of the fixed plate 61 and obliquely extending to the side away from the support frame 2.
  • Plate 62 during the process of placing the frame 10 on the support frame 2, the frame 10 is supported on the support frame 2 under the guidance of the guide plate 62, and can support the The frame 10 is initially positioned, and subsequent fine adjustments can realize the precise positioning of the welding position of the frame 10 through the positioning structure 3.
  • each of the guide members 6 further includes a reinforcing rib 63 that connects at least part of the fixing plate 61 and the base 1 to enhance the strength of the fixing plate 61.
  • a plurality of the guides 6 are distributed on the periphery of the support frame 2 to have a better initial positioning effect on the frame 10.
  • the jig 100 for friction stir welding includes a limit member 7 provided on the base 1 and used to limit the overturning position of the pressing mechanism 4, and the overturn driving mechanism 5 drives the After the pressing mechanism 4 is turned over to the position where the limiting member 7 is located, the control unit controls the turning drive mechanism 5 to stop, and at the same time, drives the locking member 47 to lock the pressing mechanism 4.
  • the limiting member 7 cooperates with the pressing frame 41 to limit the turning position of the pressing mechanism 4.
  • the working process of the fixture 100 for friction stir welding in the present invention is as follows:
  • the position of the frame 10 on the support frame 2 is initially positioned through the guide 6 to facilitate subsequent fine adjustments, and the positioning structure 3 accurately positions the Frame 10.
  • the pressing mechanism 4 is turned over to compact the frame 10 and the aluminum plate 20, and the turned pressing mechanism 4 is locked by the locking member 47;
  • a pressing button may be provided on the control unit, and the user can activate the turning drive mechanism 5 to drive the pressing frame 41 to turn over by pressing the pressing button, of course, it is not limited to this.
  • the beam 101 is compressed by the beam compression frame 412 and the downward pressure cylinder 44, and the longitudinal beam 102 is compressed by the longitudinal beam compression frame 411 and the disc spring 43; at the same time, in the process of turning the compression frame 41,
  • the pin 461 extends into the pin hole 4631 so that the pressing frame 41 synchronously drives the pressing plate 42 to turn over.
  • the driving member 462 drives the pin 461 to retract to escape from the pin hole 4631, so that the magnet 45 can attract the pressing plate 42 to realize the pressing and positioning of the aluminum plate 20.
  • a latch button may also be provided on the control unit. By pressing the latch button, the user controls the driving member 462 to drive the latch 461 to extend or retract to control the compression frame 41 and the The connection state between the pressing plates 42 is described; of course, it is not limited to this.
  • a locking button may also be provided on the control unit. After the pressing mechanism 4 is turned to touch the limiting member 7, the user presses the locking button to control the locking driving member 472 Start to drive the locking block 471 to lock the free end of the locking frame 41; of course, it is not limited to this.
  • the pressing mechanism 4 is unlocked, and the pressing mechanism 4 is controlled to flip to release the frame 10 and the aluminum plate 20, so that the user can take out the car battery box 200 after welding.
  • the fixture 100 for friction stir welding of the present invention accurately positions the frame 10 by setting the positioning structure 3 to ensure that the frame 10 and the aluminum plate 20 are completely positioned, and avoid positioning problems that affect the welding quality.
  • the pressing mechanism 4 is automatically driven to compress the frame 10 and the aluminum plate 20 through the turning drive mechanism 5, reducing manual operations and improving welding efficiency, and the pressing mechanism 4 can provide a sufficiently large pressing In order to prevent the gap between the frame 10 and the aluminum plate 20 from changing during the welding process, the welding quality is further improved.

Abstract

L'invention concerne une pince (100) utilisée pour le soudage par friction-malaxage comprenant : une base (1) ; un cadre de support (2) disposé sur la base et servant à supporter un cadre (10) et une plaque d'aluminium (20) ; une structure de positionnement (3) disposée entre la base et le cadre ; un mécanisme de pression (4) relié de façon rotative à la base ; et un mécanisme d'entraînement de retournement (5) fixé à la base et servant à entraîner en rotation le mécanisme de pression. La pince peut positionner avec précision le cadre, réduire les opérations manuelles et fournir une force de pression suffisamment importante.
PCT/CN2019/116310 2019-07-05 2019-11-07 Pince pour soudage par friction-malaxage WO2021003914A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910602777.8A CN110193659B (zh) 2019-07-05 2019-07-05 用于搅拌摩擦焊的夹具
CN201910602777.8 2019-07-05

Publications (1)

Publication Number Publication Date
WO2021003914A1 true WO2021003914A1 (fr) 2021-01-14

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CN (1) CN110193659B (fr)
WO (1) WO2021003914A1 (fr)

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CN114161035A (zh) * 2021-12-06 2022-03-11 深圳宇龙机器人科技有限公司 一种机器人焊接设备及其焊接治具
CN114918600A (zh) * 2022-03-29 2022-08-19 黑龙江省龙建龙桥钢结构有限公司 一种钢箱梁桥面板外焊焊接智能系统的反变形胎架
CN116140883A (zh) * 2023-04-18 2023-05-23 浙江祥晋汽车零部件股份有限公司 一种铝合金电池托盘的焊接装配装置和焊接装配方法
CN116652095A (zh) * 2023-07-31 2023-08-29 江苏恒义工业技术有限公司 一种箱体液冷板铆接工装
CN116765733A (zh) * 2023-08-23 2023-09-19 山东齐盛达铁塔股份有限公司 一种铁塔焊接件变位焊接平台

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CN110193659B (zh) * 2019-07-05 2024-02-13 江苏北人智能制造科技股份有限公司 用于搅拌摩擦焊的夹具
CN110977136B (zh) * 2019-10-09 2022-06-07 北京赛福斯特技术有限公司 一种用于搅拌摩擦焊接的电永磁盘工装
CN111015061B (zh) * 2019-12-30 2024-04-26 洛阳豫安金属结构有限公司 一种锡槽底板钢构框架的制作方法及焊接工装
CN113084328B (zh) * 2021-03-17 2022-08-30 宁波友智机械科技有限公司 一种用于固定长焊缝待焊件的工装夹具及搅拌摩擦焊系统
CN115194394A (zh) * 2022-09-14 2022-10-18 江苏时代新能源科技有限公司 焊接夹具及焊接设备
CN115283926B (zh) * 2022-09-29 2023-01-06 江苏时代新能源科技有限公司 焊接夹具及焊接设备

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