CN104384669B - A kind of three-dimensional argonaut welding device - Google Patents

A kind of three-dimensional argonaut welding device Download PDF

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Publication number
CN104384669B
CN104384669B CN201410499967.9A CN201410499967A CN104384669B CN 104384669 B CN104384669 B CN 104384669B CN 201410499967 A CN201410499967 A CN 201410499967A CN 104384669 B CN104384669 B CN 104384669B
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CN
China
Prior art keywords
welding gun
welding
servomotor
guide rail
column guide
Prior art date
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Active
Application number
CN201410499967.9A
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Chinese (zh)
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CN104384669A (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
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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 present invention relates to a kind of three-dimensional argonaut welding device,Including base plate、Cross mobile pallet、Work piece holder、Column guide rail、Ball screw、Welding gun moving carriage、Welding gun support、Welding gun and welding gun servomotor,Cross mobile pallet is fixed on base plate,Work piece holder is driven and arbitrary trajectory movement in the plane by cross mobile pallet,For clamping welding workpiece,Column guide rail is fixed on base plate one end,Ball screw is parallel to column guide rail,Welding gun moving carriage is slidably connected on column guide rail,It is connected with ball screw by ball nut in the middle part of welding gun support,Form feed screw nut pair,Rear end is connected on welding gun moving carriage,Welding gun is fixed on welding gun support front end by welding gun pressing plate,Welding workpiece is welded,Welding gun servomotor is connected with ball screw,Ball screw is driven to rotate,So that welding gun support drives welding gun to move linearly up and down.Compared with prior art, the present invention has the advantages that high in machining efficiency, quality conformance is good, applied widely.

Description

A kind of three-dimensional argonaut welding device
Technical field
The present invention relates to a kind of welder, more particularly, to a kind of three-dimensional argonaut welding device.
Background technology
Sheet metal part with multiple planes with cambered surface is welded into into component, is the common operation in existing industrial technology. Prior art is that weld assembly is installed in fixture, and fixture completes single flat in the case where the cross supporting plate that servomotor drives drives The automatic welding in face, because welding gun operationally can not be moved in Z-direction, therefore for the welding of multiple Different Planes and cambered surface Mode that can only be by hand is welded, and not only work efficiency is low, and the uniformity of its crator and welding fastness are difficult during manual welding To ensure technical requirements, particularly it is difficult to ensure that crator does not expose panel beating surface, and the processing concordance of bulk article can not be obtained To effectively guarantee.
The content of the invention
The purpose of the present invention is exactly to provide a kind of high in machining efficiency, matter to overcome the defect of above-mentioned prior art presence Good, the applied widely three-dimensional argonaut welding device of amount concordance.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of three-dimensional argonaut welding device, including
Base plate,
Cross mobile pallet:It is fixed on base plate;
Work piece holder:It is fixed on cross mobile pallet, is driven and arbitrary trajectory shifting in the plane by cross mobile pallet It is dynamic, for clamping welding workpiece;
Column guide rail:It is fixed on base plate one end;
Ball screw:Arrange parallel to column guide rail;
Welding gun moving carriage:It is slidably connected on column guide rail;
Welding gun support:Middle part is connected with ball screw by ball nut, forms feed screw nut pair, and rear end is connected to welding gun On moving carriage;
Welding gun:Welding gun support front end is fixed on by welding gun pressing plate, welding workpiece is welded;
Welding gun servomotor:It is connected with ball screw, drives ball screw to rotate so that welding gun support drives welding gun upper and lower Rectilinear movement.
Described cross mobile pallet be by front and back to servomotor with left and right to servomotor drive cross supporting plate, and It is connected with controller to servomotor, left and right respectively to servomotor and welding gun servomotor before and after described, in front and back to servo Motor drives cross supporting plate to carry out the movement of plane arbitrary trajectory, weldering by the control program in controller to servomotor with left and right Rifle 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, and described column guide rail is provided with two altogether, is erected Directly it be arranged in parallel, on every root post guide rail, is arranged two linear bearings, described welding gun moving carriage and described linear axis Connection is held, being slidably connected for welding gun moving carriage and column guide rail is realized by linear bearing.
The upper and lower ends 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, and described screw mandrel step is fixed in welding gun servo motor seat, institute The welding gun servo motor seat stated is fixedly connected with column guide rail chair, and described welding gun servomotor is fixed on welding gun servo motor seat On, and be connected with the bottom of ball screw by shaft coupling.
The upper and lower ends of described ball screw are connected with screw mandrel top chock or screw mandrel step by bearing respectively. Described screw mandrel top chock or screw mandrel step are to limit the top dead centre and lower dead center that welding gun support moves up and down scope.
It is detachable connection between Replacement Part, with cross mobile pallet that described work piece holder is.
Described work piece holder is provided with for compressing the locking pressure plate of welding workpiece.
Described welding gun support is horizontally disposed with, and the mouth of described welding gun is arranged straight down.
When the device of the present invention works, work piece holder is placed in outside working region under the drive of cross mobile pallet, welding gun Top is placed under the driving of welding gun servomotor, workpiece to be welded and welding workpiece are installed in work piece holder, pressure lock Press plate with workpiece pressing, open to servomotor, left and right to servomotor and welding gun servomotor before and after control program drives, Make work piece holder row to the first pad, welding gun row to the height for setting weld arc length, start the welding of the first face solder joint, welding gun First solder joint is carried out after the completion of the weld seam automatic welding of a week, the welding of the first solder joint according to program setting, welding gun leaves work Make face, work piece holder moves to the second pad, welding gun drops to welding and assembling height, start the second pad around the automatic of weld seam one week Welding, completes the automatic welding of the follow-up each point in the face by that analogy, and welding gun moves to the welding and assembling height in the second face, starts each of the face Spot welding, completes the automatic welding in each face by that analogy, and above-described face can be plane, cambered surface or sphere.All weld After the completion of, welding gun row to top dead centre outside work piece holder row to working area, unclamps locking pressure plate, takes out weld assembly.
Because cross mobile pallet can follow procedure establishment carry out the movement of plane arbitrary trajectory, the establishment of welding gun follow procedure is along vertically Direction moves up and down, and moves with reference to the program of cross mobile pallet, forms the three-dimensional track movement of solder joint, therefore when welding is pointed out During existing cambered surface, welding gun can follow procedure setting automatic welding is carried out to cambered surface even sphere, the present invention is to cambered surface tangent line and welding gun axle Cambered surface or sphere of the angle of line more than 45 ° can carry out automatic welding.
Compared with prior art, the present invention has advantages below and beneficial effect:
(1) clamped one time can be automatically performed all welding processes, and working (machining) efficiency improves two to five times.
(2) welding process all can be completed by PLC technology program, to arcing point and receipts acnode, crator area and height Degree, weld strength etc. can be effectively controlled, and during batch machining, the concordance of product quality is guaranteed.
(3) all crators and arcing point are fully achieved the design requirement of product with receipts acnode in panel beating surface.
(4) cambered surface of the angle of all similar multiaspect multiple spot automatic weldings and cambered surface tangent line and welding gun axis more than 45 ° Or sphere can carry out automatic welding, the range of application of device is wider.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the device of the present invention;
Fig. 2 is each solder joint schematic diagram of welding workpiece and workpiece to be welded;
Close-up schematic views of the Fig. 3 for Fig. 2.
Label in figure:1 is base plate, and 2 is cross mobile pallet, and 3 is work piece holder, and 4 is welding workpiece, and 5 is locking pressure plate, 6 is welding gun, and 7 is welding gun support, and 8 is welding gun pressing plate, and 9 is screw mandrel top chock, and 10 is linear bearing, and 11 is that welding gun movement is dragged Plate, 12 is column guide rail, and 13 is ball screw, and 14 is screw mandrel step, and 15 is shaft coupling, and 16 is welding gun servo motor seat, 17 is welding gun servomotor, and 18 is column guide rail chair, and 19 is welding position, and 20 is workpiece to be welded.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
A kind of three-dimensional argonaut welding device, as shown in figure 1, including base plate 1, cross mobile pallet 2, work piece holder 3, vertical Post 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 be by front and back to servomotor with left and right to watching Take motor-driven cross supporting plate, and be connected with controller to servomotor respectively to servomotor, left and right in front and back, in front and back to watching Taking motor drives cross supporting plate to carry out the movement of plane arbitrary trajectory by the control program in controller to servomotor with left and right, The structure of cross mobile pallet 2 and its cross supporting plate is driven to carry out the movement of plane arbitrary trajectory by the control program in controller Technology be known technology, be not described in detail here.
Work piece holder 3 is fixed on cross mobile pallet 2, is driven and arbitrary trajectory in the plane by cross mobile pallet 2 Mobile, for clamping welding workpiece 4, it is detachable connection between Replacement Part, with cross mobile pallet 2 that work piece holder 3 is. Work piece holder 3 is provided with for compressing the locking pressure plate 5 of welding workpiece 4.
Column guide rail 12 is fixed on base plate 1 by column guide rail chair 18, and column guide rail 12 is provided with two altogether, vertically parallel Arrange, on every root post guide rail 12, be arranged two linear bearings 10, welding gun moving carriage 11 is connected with linear bearing 10, is passed through Linear bearing 10 realizes being slidably connected for welding gun moving carriage 11 and column guide rail 12.Ball screw 13 is parallel to column guide rail 12 Arrange, the upper and lower ends of ball screw 13 are respectively equipped with screw mandrel top chock 9 and screw mandrel step 14, screw mandrel top chock 9 It 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 electricity Support 16 is fixedly connected with column guide rail chair 18, and welding gun servomotor 17 is fixed in welding gun servo motor seat 16, and by connection Axle device 15 is connected with the bottom of ball screw 13, drives ball screw 13 to rotate so that welding gun support 7 drives welding gun straight about 6 Line is moved.Welding gun servomotor 17 is connected with controller, and the control program that welding gun servomotor 17 is pressed in controller drives welding gun 6 In the vertical direction is moved up and down.
The upper and lower ends of ball screw 13 are connected with screw mandrel top chock 9 or screw mandrel step 14 by bearing respectively. Screw mandrel top chock 9 or screw mandrel step 14 move up and down the top dead centre and lower dead center of scope to limit welding gun support 7.
It is connected with ball screw 13 by ball nut in the middle part of welding gun support 7, forms feed screw nut pair, rear end is connected to weldering On rifle moving carriage 11;Welding gun 6 is fixed on 7 front end of welding gun support by welding gun pressing plate 8, and welding workpiece 4 is welded.Welding gun Support 7 is horizontally disposed with, and the mouth of welding gun 6 is arranged straight down.
Each solder joint of welding workpiece and workpiece to be welded is illustrated as shown in Figure 2 and Figure 3, and in figure, label 19 represents each solder joint position Put.
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, and workpiece to be welded 20 and welding workpiece 4 are installed on work piece holder In 3, pressure locking pressure plate 5 is opened before and after control program drives to servomotor, left and right to servomotor and weldering with workpiece pressing Rifle servomotor 17, makes 3 row of work piece holder to the first pad, and 6 row of welding gun starts the first face to the height for setting weld arc length The welding of solder joint, welding gun 6 are carried out to the first solder joint around the weld seam automatic welding of a week according to program setting, and the first solder joint has been welded Cheng Hou, welding gun 6 leave work surface, and work piece holder 3 moves to the second pad, and welding gun 6 drops to welding and assembling height, starts second and welds Point completes the automatic welding of the follow-up each point in the face by that analogy around the weld seam automatic welding of a week, and welding gun 6 moves to the weldering in the second face Connect height, start each spot welding in the face, complete the automatic welding in each face by that analogy, with can be above plane, cambered surface or Sphere.After the completion of all welding, 6 row of welding gun to top dead centre, 3 row of work piece holder unclamp locking pressure plate 5 to outside working area, take out Weld assembly.
Because cross mobile pallet 2 can follow procedure establishment carry out the movement of plane arbitrary trajectory, the establishment of 6 follow procedure of welding gun is along perpendicular Nogata is moved to moving up and down with reference to the program of cross mobile pallet 2, forms the three-dimensional track movement of solder joint, therefore when welding Point is when there is cambered surface, welding gun 6 can follow procedure setting automatic welding is carried out to cambered surface even sphere, the present invention is to cambered surface tangent line and weldering Cambered surface or sphere of the angle of gun axis line more than 45 ° can carry out automatic welding.
The above-mentioned description to embodiment is to be understood that for ease of those skilled in the art and use invention. Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein general Principle is applied in other embodiment without through performing creative labour.Therefore, the invention is not restricted to above-described embodiment, ability Field technique personnel announcement of the invention, the improvement made without departing from scope and modification all should be the present invention's Within protection domain.

Claims (3)

1. a kind of three-dimensional argonaut welding device, it is characterised in that include
Base plate (1),
Cross mobile pallet (2):It is fixed on base plate (1);
Work piece holder (3):It is fixed on cross mobile pallet (2), is driven and rail any in the plane by cross mobile pallet (2) Mark is moved, for clamping welding workpiece (4);
Column guide rail (12):It is fixed on base plate (1) one end;
Ball screw (13):Arrange parallel to column guide rail (12);
Welding gun moving carriage (11):It is slidably connected on column guide rail (12);
Welding gun support (7):Middle part is connected with ball screw (13) by ball nut, forms feed screw nut pair, and rear end is connected to On welding gun moving carriage (11);
Welding gun (6):Welding gun support (7) front end is fixed on by welding gun pressing plate (8), welding workpiece (4) is welded;
Welding gun servomotor (17):It is connected with ball screw (13), drives ball screw (13) to rotate so that welding gun support (7) Welding gun (6) is driven to move linearly up and down;
Described work piece holder (3) is provided with for compressing the locking pressure plate (5) of welding workpiece (4);
Described welding gun support (7) is horizontally disposed with, and the mouth of described welding gun (6) is arranged straight down;
Described cross mobile pallet (2) be by front and back to servomotor with left and right to servomotor drive cross supporting plate, and It is connected with controller to servomotor, left and right respectively to servomotor and welding gun servomotor (17) before and after described, Qian Houxiang Servomotor drives cross supporting plate to carry out the shifting of plane arbitrary trajectory by the control program in controller to servomotor with left and right Dynamic, welding gun servomotor (17) drives welding gun (6) in the vertical direction to move up and down by the control program in controller;
Described column guide rail (12) is fixed on base plate (1) by column guide rail chair (18), and described column guide rail (12) is altogether Two are provided with, are vertically be arranged in parallel, on every root post guide rail (12), be arranged two linear bearings (10), described welding gun movement Planker (11) is connected with described linear bearing (10), realizes welding gun moving carriage (11) and column guide by linear bearing (10) Rail (12) are slidably connected;
The upper and lower ends of described ball screw (13) are respectively equipped with screw mandrel top chock (9) and screw mandrel step (14), institute The screw mandrel top chock (9) stated is while be connected with the top of column guide rail (12), described screw mandrel step (14) is fixed on 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 by shaft coupling (15) and the bottom of ball screw (13) End connection.
2. a kind of three-dimensional argonaut welding device according to claim 1, it is characterised in that described ball screw (13) Upper and lower ends be connected with screw mandrel top chock (9) or screw mandrel step (14) by bearing respectively.
3. a kind of three-dimensional argonaut welding device according to claim 1, it is characterised in that described work piece holder (3) For between Replacement Part, with cross mobile pallet (2) be detachable connection.
CN201410499967.9A 2014-09-25 2014-09-25 A kind of three-dimensional argonaut welding device Active CN104384669B (en)

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Application Number Priority Date Filing Date Title
CN201410499967.9A CN104384669B (en) 2014-09-25 2014-09-25 A kind of three-dimensional argonaut welding device

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Application Number Priority Date Filing Date Title
CN201410499967.9A CN104384669B (en) 2014-09-25 2014-09-25 A kind of three-dimensional argonaut welding device

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CN104384669B true CN104384669B (en) 2017-03-29

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Publication number Priority date Publication date Assignee Title
CN104690464B (en) * 2015-03-20 2016-08-24 无锡乔尼威尔铁路设备科技有限公司 Automatic welding machine and automatic welding method thereof
CN104858534B (en) * 2015-05-21 2017-04-05 武汉力兴(火炬)电源有限公司 Lithium argon column type battery automatic argon arc welder
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

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