CN104384669A - Three-dimensional automatic argon arc welding device - Google Patents

Three-dimensional automatic argon arc welding device Download PDF

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Publication number
CN104384669A
CN104384669A CN201410499967.9A CN201410499967A CN104384669A CN 104384669 A CN104384669 A CN 104384669A CN 201410499967 A CN201410499967 A CN 201410499967A CN 104384669 A CN104384669 A CN 104384669A
Authority
CN
China
Prior art keywords
welding gun
welding
guide rail
servomotor
ball screw
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.)
Granted
Application number
CN201410499967.9A
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Chinese (zh)
Other versions
CN104384669B (en
Inventor
郭荣华
高进
郭慧
沈霞
赵玉善
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI YINGQI PRECISE PARTS MANUFACTURE CO Ltd
East China University of Science and Technology
Original Assignee
SHANGHAI YINGQI PRECISE PARTS MANUFACTURE CO Ltd
East China University of Science and Technology
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 SHANGHAI YINGQI PRECISE PARTS MANUFACTURE CO Ltd, East China University of Science and Technology filed Critical SHANGHAI YINGQI PRECISE PARTS MANUFACTURE CO Ltd
Priority to CN201410499967.9A priority Critical patent/CN104384669B/en
Publication of CN104384669A publication Critical patent/CN104384669A/en
Application granted granted Critical
Publication of CN104384669B publication Critical patent/CN104384669B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00Arc welding or cutting
    • B23K9/02Seam welding; Backing means; Inserts
    • B23K9/032Seam welding; Backing means; Inserts for three-dimensional seams
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/02Carriages for supporting the welding or cutting element
    • B23K37/0211Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/02Carriages for supporting the welding or cutting element
    • B23K37/0247Driving means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/047Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00Arc welding or cutting
    • B23K9/12Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00Arc welding or cutting
    • B23K9/16Arc welding or cutting making use of shielding gas

Abstract

The invention discloses a three-dimensional automatic argon arc welding device, which comprises a bottom plate, a crossed moving support plate, a workpiece clamp, an upright post guide rail, a ball screw, a welding gun moving dragging plate, a welding gun support frame, a welding gun and a welding gun servo motor, wherein the crossed moving support plate is fixedly arranged on the bottom plate, the workpiece clamp is driven by the crossed moving support plate to move at any track on the plane and is used for clamping a welding workpiece, the upright post guide rail is fixedly arranged at one end of the bottom plate, the ball crew is parallel to the upright post guide rail, the welding gun moving dragging plate is glidingly connected onto the upright post guide rail, the middle part of the welding gun support frame is connected with the ball screw through a ball screw nut, a lead screw nut pair is formed, the back end of the welding gun support frame is connected onto the welding gun moving dragging plate, the welding gun is fixedly arranged at the front end of the welding gun support frame through a welding gun press plate, the welding workpiece is welded, the welding gun servo motor is connected with the ball screw, and the ball screw is driven to rotate so that the welding gun support frame drives the welding gun to do vertical linear movement. Compared with the prior art, the three-dimensional automatic argon arc welding device has the advantages that the processing efficiency is high, the quality consistency is good, the application range is wide, and the like.

Description

A kind of three-dimensional argonaut welding device
Technical field
The present invention relates to a kind of welder, especially relate to a kind of three-dimensional argonaut welding device.
Background technology
The sheet metal part with multiple plane and cambered surface is welded into assembly, is the common operation in existing industrial technology.Prior art is installed in fixture by weld assembly, fixture completes the automatic welding of single plane under the cross supporting plate of driven by servomotor drives, because welding gun operationally can not move in Z-direction, therefore the welding for multiple Different Plane and cambered surface can only mode by hand be welded, not only work efficiency is low, and during manual welding its crator uniformity and welding fastness be all difficult to ensure technical requirement, particularly be difficult to ensure that crator does not expose panel beating surface, and the processing uniformity of bulk article can not be effectively guaranteed.
Summary of the invention
Object of the present invention is exactly provide that a kind of working (machining) efficiency is high, quality conformance good, three-dimensional argonaut welding device applied widely to overcome defect that above-mentioned prior art exists.
Object of the present invention can be achieved through the following technical solutions:
A kind of three-dimensional argonaut welding device, comprises
Base plate,
Cross mobile pallet: be fixed on base plate;
Work piece holder: be fixed on cross mobile pallet, by cross mobile pallet drives, arbitrary trajectory moves, for clamping welding work pieces in the plane;
Column guide rail: be fixed on base plate one end;
Ball screw: be parallel to column guide rail and arrange;
Welding gun moving carriage: be slidably connected on column guide rail;
Welding gun support: middle part is connected with ball screw by ball nut, form feed screw nut pair, rear end is connected on welding gun moving carriage;
Welding gun: be fixed on welding gun support front end by welding gun pressing plate, welding work pieces is welded;
Welding gun servomotor: be connected with ball screw, drives ball screw to rotate, and makes welding gun support drive welding gun to move linearly up and down.
Described cross mobile pallet is to servomotor and left and right to the cross supporting plate of driven by servomotor by front and back, and described front and back are connected with controller to servomotor, left and right respectively to servomotor and welding gun servomotor, front and back drive cross supporting plate to carry out the movement of plane arbitrary trajectory to servomotor by the control program in controller to servomotor and left and right, and welding gun servomotor drives welding gun in the vertical direction to move up and down by the control program in controller.
Described column guide rail is fixed on base plate by column guide rail chair, described column guide rail is provided with two altogether, vertically be arranged in parallel, all sheathed two linear bearings on every root post guide rail, described welding gun moving carriage is connected with described linear bearing, realizes being slidably connected of welding gun moving carriage and column guide rail by linear bearing.
The two ends up and down of described ball screw are respectively equipped with screw mandrel top chock and screw mandrel step, described screw mandrel top chock is connected with the top of column guide rail simultaneously, described screw mandrel step is fixed in welding gun servo motor seat, described welding gun servo motor seat is fixedly connected with column guide rail chair, described welding gun servomotor is fixed in welding gun servo motor seat, and is connected with the bottom of ball screw by shaft coupling.
The two ends up and down of described ball screw are connected with screw mandrel top chock or screw mandrel step respectively by bearing.Described screw mandrel top chock or screw mandrel step are top dead centre and the lower dead center that restriction welding gun support moves up and down scope.
Described work piece holder is Replacement Part, is connected for detachable with between cross mobile pallet.
Described work piece holder is provided with the locking pressure plate for compressing welding work pieces.
Described welding gun support level is arranged, and the mouth of described welding gun is arranged straight down.
During device work of the present invention, work piece holder is placed in outside working region under the drive of cross mobile pallet, welding gun is placed in top under the driving of welding gun servomotor, workpiece to be welded and welding work pieces are installed in work piece holder, pressure locking pressure plate is with workpiece pressing, opening control program drives front and back to servomotor, left and right is to servomotor and welding gun servomotor, work piece holder is made to walk to the first pad, welding gun walks to the height of setting weld arc length, start the welding of first surface solder joint, welding gun carries out to the first solder joint the automatic welding that boxing stitches a week according to program setting, after first solder joint has welded, welding gun leaves working face, work piece holder moves to the second pad, welding gun drops to welding and assembling height, start the automatic welding that the second pad boxing is stitched a week, complete the automatic welding of the follow-up each point in this face by that analogy, welding gun moves to the welding and assembling height of second, start each means of spot welds in this face, complete the automatic welding of each by that analogy, above-described can be plane, cambered surface or sphere.After whole welding completes, welding gun walks to top dead centre, and work piece holder walks to outside workspace, unclamps locking pressure plate, takes out weld assembly.
Because cross mobile pallet can work out the movement carrying out plane arbitrary trajectory by follow procedure, the establishment of welding gun follow procedure vertically moves up and down, program in conjunction with cross mobile pallet moves, the three-dimensional track forming solder joint moves, therefore when cambered surface appears in pad, welding gun can follow procedure setting to cambered surface even sphere carry out automatic welding, the angle of the present invention to cambered surface tangent line and welding gun axis is greater than the cambered surface of 45 ° or sphere can carry out automatic welding.
Compared with prior art, the present invention has the following advantages and beneficial effect:
(1) clamped one time can complete all welding processes automatically, and working (machining) efficiency improves two to five times.
(2) welding process all can be completed by PLC technology program, and can be effectively controlled with height, weld strength etc. to arcing point and receipts acnode, crator area, during batch machining, the uniformity of product quality is guaranteed.
(3) all crators and arcing point and receipts acnode are all in panel beating surface, reach the designing requirement of product completely.
(4) angle of all similar multiaspect multiple spot automatic weldings and cambered surface tangent line and welding gun axis is greater than the cambered surface of 45 ° or sphere can carry out automatic welding, and the range of application of device is wider.
Accompanying drawing explanation
Fig. 1 is the perspective view of device of the present invention;
Fig. 2 is each solder joint schematic diagram of welding work pieces and workpiece to be welded;
Fig. 3 is the close-up schematic view of Fig. 2.
Number in the figure: 1 is base plate, 2 is cross mobile pallet, and 3 is work piece holder, and 4 is welding work pieces, 5 is locking pressure plate, and 6 is welding gun, and 7 is welding gun support, and 8 is welding gun pressing plate, 9 is screw mandrel top chock, and 10 is linear bearing, and 11 is welding gun moving carriage, 12 is column guide rail, and 13 is ball screw, and 14 is screw mandrel step, 15 is shaft coupling, and 16 is welding gun servo motor seat, and 17 is welding gun servomotor, 18 is column guide rail chair, and 19 is welding position, and 20 is workpiece to be welded.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
A kind of three-dimensional argonaut welding device, as shown in Figure 1, comprises base plate 1, cross mobile pallet 2, work piece holder 3, column guide rail 12, ball screw 13, welding gun moving carriage 11, welding gun support 7, welding gun 6 and welding gun servomotor 17.
Cross mobile pallet 2 is fixed on base plate 1, cross mobile pallet 2 is to servomotor and left and right to the cross supporting plate of driven by servomotor by front and back, and front and back are connected with controller to servomotor, left and right respectively to servomotor, front and back drive cross supporting plate to carry out the movement of plane arbitrary trajectory to servomotor by the control program in controller to servomotor and left and right, the structure of cross mobile pallet 2 and be known technology by the technology that the control program in controller drives cross supporting plate to carry out the movement of plane arbitrary trajectory, is not described further at this.
Work piece holder 3 is fixed on cross mobile pallet 2, and by cross mobile pallet 2 drives, arbitrary trajectory moves in the plane, and for clamping welding work pieces 4, work piece holder 3 is Replacement Part, is connected for detachable with between cross mobile pallet 2.Work piece holder 3 is provided with the locking pressure plate 5 for compressing welding work pieces 4.
Column guide rail 12 is fixed on base plate 1 by column guide rail chair 18, column guide rail 12 is provided with two altogether, vertically be arranged in parallel, all sheathed two linear bearings 10 on every root post guide rail 12, welding gun moving carriage 11 is connected with linear bearing 10, realizes being slidably connected of welding gun moving carriage 11 and column guide rail 12 by linear bearing 7.Ball screw 13 is parallel to column guide rail 12 and arranges, the two ends up and down of ball screw 13 are respectively equipped with screw mandrel top chock 9 and screw mandrel step 14, screw mandrel top chock 9 is connected with the top of column guide rail 12 simultaneously, screw mandrel step 14 is fixed in welding gun servo motor seat 16, welding gun servo motor seat 16 is fixedly connected with column guide rail chair 18, welding gun servomotor 17 is fixed in welding gun servo motor seat 16, and be connected with the bottom of ball screw 13 by shaft coupling 15, drive ball screw 13 to rotate, make welding gun support 7 drive welding gun about 6 to move linearly.Welding gun servomotor 17 is connected with controller, and welding gun servomotor 17 drives welding gun 6 in the vertical direction to move up and down by the control program in controller.
The two ends up and down of ball screw 13 are connected with screw mandrel top chock 9 or screw mandrel step 14 respectively by bearing.Screw mandrel top chock 9 or screw mandrel step 14 are top dead centre and the lower dead center that restriction welding gun support 7 moves up and down scope.
Be connected with ball screw 13 by ball nut in the middle part of welding gun support 7, form feed screw nut pair, rear end is connected on welding gun moving carriage 11; Welding gun 6 is fixed on welding gun support 7 front end by welding gun pressing plate 8, welds welding work pieces 4.Welding gun support 7 is horizontally disposed with, and the mouth of welding gun 6 is arranged straight down.
Each solder joint of welding work pieces and workpiece to be welded is illustrated as shown in Figure 2 and Figure 3, and number in the figure 19 represents each bond pad locations.
When the device of the present embodiment works, work piece holder 3 is placed in outside working region under the drive of cross mobile pallet 2, welding gun 6 is placed in top under the driving of welding gun servomotor 17, workpiece 20 to be welded is installed in work piece holder 3 with welding work pieces 4, pressure locking pressure plate 5 is with workpiece pressing, opening control program drives front and back to servomotor, left and right is to servomotor and welding gun servomotor 17, work piece holder 3 is made to walk to the first pad, welding gun 6 walks to the height of setting weld arc length, start the welding of first surface solder joint, welding gun 6 carries out to the first solder joint the automatic welding that boxing stitches a week according to program setting, after first solder joint has welded, welding gun 6 leaves working face, work piece holder 3 moves to the second pad, welding gun 6 drops to welding and assembling height, start the automatic welding that the second pad boxing is stitched a week, complete the automatic welding of the follow-up each point in this face by that analogy, welding gun 6 moves to the welding and assembling height of second, start each means of spot welds in this face, complete the automatic welding of each by that analogy, can be plane above, cambered surface or sphere.After whole welding completes, welding gun 6 walks to top dead centre, and work piece holder 3 walks to outside workspace, unclamps locking pressure plate 5, takes out weld assembly.
Because cross mobile pallet 2 can work out the movement carrying out plane arbitrary trajectory by follow procedure, the establishment of welding gun 6 follow procedure vertically moves up and down, program in conjunction with cross mobile pallet 2 moves, the three-dimensional track forming solder joint moves, therefore when cambered surface appears in pad, welding gun 6 can follow procedure setting to cambered surface even sphere carry out automatic welding, the angle of the present invention to cambered surface tangent line and welding gun axis is greater than the cambered surface of 45 ° or sphere can carry out automatic welding.
Above-mentioned is can understand and use invention for ease of those skilled in the art to the description of embodiment.Person skilled in the art obviously easily can make various amendment to these embodiments, and General Principle described herein is applied in other embodiments and need not through performing creative labour.Therefore, the invention is not restricted to above-described embodiment, those skilled in the art, according to announcement of the present invention, do not depart from improvement that scope makes and amendment all should within protection scope of the present invention.

Claims (8)

1. a three-dimensional argonaut welding device, is characterized in that, comprise
Base plate (1),
Cross mobile pallet (2): be fixed on base plate (1);
Work piece holder (3): be fixed on cross mobile pallet (2), by cross mobile pallet (2) drives, arbitrary trajectory moves, for clamping welding work pieces (4) in the plane;
Column guide rail (12): be fixed on base plate (1) one end;
Ball screw (13): be parallel to column guide rail (12) and arrange;
Welding gun moving carriage (11): be slidably connected on column guide rail (12);
Welding gun support (7): middle part is connected with ball screw (13) by ball nut, form feed screw nut pair, rear end is connected on welding gun moving carriage (11);
Welding gun (6): be fixed on welding gun support (7) front end by welding gun pressing plate (8), welds welding work pieces (4);
Welding gun servomotor (17): be connected with ball screw (13), drives ball screw (13) to rotate, and makes welding gun support (7) drive welding gun (6) to move linearly up and down.
2. the three-dimensional argonaut welding device of one according to claim 1, it is characterized in that, described cross mobile pallet (2) is for being subject to front and back to servomotor and left and right to the cross supporting plate of driven by servomotor, and described front and back are to servomotor, left and right is connected with controller respectively to servomotor and welding gun servomotor (17), front and back drive cross supporting plate to carry out the movement of plane arbitrary trajectory to servomotor by the control program in controller to servomotor and left and right, welding gun servomotor (17) drives welding gun (6) in the vertical direction to move up and down by the control program in controller.
3. the three-dimensional argonaut welding device of one according to claim 1, it is characterized in that, described column guide rail (12) is fixed on base plate (1) by column guide rail chair (18), described column guide rail (12) is provided with two altogether, vertically be arranged in parallel, all sheathed two linear bearings (10) on every root post guide rail (12), described welding gun moving carriage (11) is connected with described linear bearing (10), realizes being slidably connected of welding gun moving carriage (11) and column guide rail (12) by linear bearing (7).
4. the three-dimensional argonaut welding device of one according to claim 3, it is characterized in that, the two ends up and down of described ball screw (13) are respectively equipped with screw mandrel top chock (9) and screw mandrel step (14), described screw mandrel top chock (9) is connected with the top of column guide rail (12) simultaneously, described screw mandrel step (14) is fixed in welding gun servo motor seat (16), described welding gun servo motor seat (16) is fixedly connected with column guide rail chair (18), described welding gun servomotor (17) is fixed in welding gun servo motor seat (16), and be connected with the bottom of ball screw (13) by shaft coupling (15).
5. the three-dimensional argonaut welding device of one according to claim 4, it is characterized in that, the two ends up and down of described ball screw (13) are connected with screw mandrel top chock (9) or screw mandrel step (14) respectively by bearing.
6. the three-dimensional argonaut welding device of one according to claim 1, is characterized in that, described work piece holder (3) is Replacement Part, is connected for detachable with between cross mobile pallet (2).
7. the three-dimensional argonaut welding device of one according to claim 1, is characterized in that, described work piece holder (3) is provided with the locking pressure plate (5) for compressing welding work pieces (4).
8. the three-dimensional argonaut welding device of one according to claim 1, is characterized in that, described welding gun support (7) is horizontally disposed with, and the mouth of described welding gun (6) is arranged straight down.
CN201410499967.9A 2014-09-25 2014-09-25 A kind of three-dimensional argonaut welding device Active CN104384669B (en)

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CN104384669B CN104384669B (en) 2017-03-29

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104690464A (en) * 2015-03-20 2015-06-10 无锡乔尼威尔铁路设备科技有限公司 Automatic welding machine and automatic welding method thereof
CN104858534A (en) * 2015-05-21 2015-08-26 武汉力兴(火炬)电源有限公司 Automatic argon arc welder for lithium and argon column type battery
CN110919187A (en) * 2019-12-31 2020-03-27 绍兴依利奥厨具有限公司 Laser spot welding machine and production process of range hood applying same
CN112157330A (en) * 2020-08-21 2021-01-01 苏州浪潮智能科技有限公司 Circuit board welding table

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CN102091851A (en) * 2011-01-07 2011-06-15 广东中宝炊具制品有限公司 Three-axis linkage numerical control welding machine
CN202062167U (en) * 2010-12-08 2011-12-07 柳州高华机械有限公司 Cartesian five-degree-of-freedom welding manipulator
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JPH09150269A (en) * 1995-09-27 1997-06-10 Nippon Steel Corp Automatic welding equipment and method
JP2000210771A (en) * 1999-01-26 2000-08-02 Hitachi Ltd Automatic copying controller for welding position and welding method for groove parts of members to be welded
CN201353678Y (en) * 2009-02-24 2009-12-02 常熟理工学院 Special-shaped pipe fitting automatic welding device
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104690464A (en) * 2015-03-20 2015-06-10 无锡乔尼威尔铁路设备科技有限公司 Automatic welding machine and automatic welding method thereof
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CN104858534A (en) * 2015-05-21 2015-08-26 武汉力兴(火炬)电源有限公司 Automatic argon arc welder for lithium and argon column type battery
CN110919187A (en) * 2019-12-31 2020-03-27 绍兴依利奥厨具有限公司 Laser spot welding machine and production process of range hood applying same
CN110919187B (en) * 2019-12-31 2022-02-18 绍兴依利奥厨具有限公司 Laser spot welding machine and production process of range hood applying same
CN112157330A (en) * 2020-08-21 2021-01-01 苏州浪潮智能科技有限公司 Circuit board welding table

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