CN106112244A - A kind of welder and welding method - Google Patents

A kind of welder and welding method Download PDF

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Publication number
CN106112244A
CN106112244A CN201610532922.6A CN201610532922A CN106112244A CN 106112244 A CN106112244 A CN 106112244A CN 201610532922 A CN201610532922 A CN 201610532922A CN 106112244 A CN106112244 A CN 106112244A
Authority
CN
China
Prior art keywords
welding
weldment
electrode
electrodes
solder joint
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.)
Pending
Application number
CN201610532922.6A
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Chinese (zh)
Inventor
解西安
单既运
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.)
Beiqi Foton Motor Co Ltd
Original Assignee
Beiqi Foton Motor Co Ltd
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 Beiqi Foton Motor Co Ltd filed Critical Beiqi Foton Motor Co Ltd
Priority to CN201610532922.6A priority Critical patent/CN106112244A/en
Publication of CN106112244A publication Critical patent/CN106112244A/en
Pending legal-status Critical Current

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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
    • B23K11/00Resistance welding; Severing by resistance heating
    • B23K11/10Spot welding; Stitch welding
    • B23K11/11Spot welding
    • 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
    • B23K11/00Resistance welding; Severing by resistance heating
    • B23K11/36Auxiliary equipment
    • 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
    • B23K37/0426Fixtures for other work
    • B23K37/0435Clamps

Abstract

The invention discloses a kind of welder and welding method, wherein, welder includes two upper electrodes, two described upper electrodes are all connected respectively two electrodes in welding gun by conductive mechanism, the pressure head of two described upper electrodes is respectively arranged at two solder joints of weldment, when described welding gun applies electric current to conductive mechanism, between two described upper electrodes, form loop by weldment, it is possible to two solder joints of butt-welding fitting implement welding simultaneously.The present invention can fast, be efficiently completed welding, advantageously reduce production cost, improve the service life of arc welding gun head.

Description

A kind of welder and welding method
Technical field
The present invention relates to welding technology field, particularly relate to a kind of welder and welding method.
Background technology
Spot welding because of its have efficiently, low consumption, welding deformation be little and the feature such as simple operation, and it is white to be widely used in automobile Body frame and the welding of shutter member thereof, qualified outward appearance solder joint be to ensure that automobile body-in-white serviceability essential condition it One.At present, the method improving automobile body-in-white and shutter member assembly outward appearance quality of welding spot is mainly increase copper pad in frock.
As it is shown in figure 1, be a kind of welder of the prior art, the welding method of this welder is: enter at needs The lower section of the sheet metal component 1 ' of row spot welding arranges copper pad 2 ', and the upper electrode 3 ' of welding gun is positioned at the top of sheet metal component 1 ', under welding gun Electrode 4 ' is located at the lower section of copper pad 2 ', and then operation welding gun butt welding point 5 ' is welded.
Above-mentioned existing welder needs to operate welding gun butt welding point and welds one by one, and welding efficiency is low, and above-mentioned weldering Connection device requires that on the other hand on the one hand copper pad to be connected with frock by having resilient sheet metal with sheet metal component conformal, Purpose is the laminating degree improving copper pad with sheet metal component to be welded.If copper pad coordinate with sheet metal component bad or welding gun work angle with During copper pad out of plumb, be just very easy to occur solder joint distort, puncture, the weld defect such as burr;It is also easy to that viscous electricity occurs simultaneously The situations such as pole, fried rifle, and then affect the service life of arc welding gun head.
Thus, it is desirable to have a kind of technical scheme overcomes or at least alleviates at least in the drawbacks described above of prior art Individual.
Summary of the invention
It is an object of the invention to provide a kind of welder and welding method, it can improve welding efficiency, further Welding quality can be improved.
For achieving the above object, the present invention provides a kind of welder, comprising: two upper electrodes, powers on described in two The most all being connected respectively two electrodes in welding gun by conductive mechanism, the pressure head of two described upper electrodes is respectively arranged on weldment Two solder joints at, when described welding gun applies electric current to conductive mechanism, formed back by weldment between two described upper electrodes Road, it is possible to two solder joints of butt-welding fitting implement welding simultaneously.
Owing to arranging two upper electrodes, two upper electrodes are respectively arranged at two solder joints of weldment, when applying electric current, and two Loop is formed by weldment, it is possible to two solder joints of butt-welding fitting implement welding, easy to operate, work effect simultaneously between individual upper electrode Rate is high, advantageously reduces production cost, improves the service life of arc welding gun head.
One, preferably or in alternative embodiment, welder includes the bracing frame for supporting weldment, support frame as described above Weldment face form fit at supporting surface shape and solder joint place, so that the weldment face patch at the supporting surface of bracing frame and solder joint place Close.
One, preferably or in alternative embodiment, support frame as described above is copper bracing frame, and the bottom of described copper bracing frame sets There is felt pad.
One, preferably or in alternative embodiment, welder includes two hold-down mechanisms, and each described hold-down mechanism is corresponding Upper electrode described in clamping one, described hold-down mechanism compresses the weldment face at solder joint place for making the pressure head of described upper electrode.
One, preferably or in alternative embodiment, described hold-down mechanism is provided with regulation locking mechanism, described regulation locking mechanism Clamp the position of electrode on described for regulating described hold-down mechanism when unclamping, and described upper electrode can be regulated The axis of pressure head is vertical with the tangent line in weldment face, solder joint place, and after regulation completes for by described hold-down mechanism with described Electrode is locked.
One, preferably or in alternative embodiment, described conductive mechanism includes two groups of wires and two groups of conductive materials, Qi Zhongyi Described upper electrode is connected to a wherein electrode of described welding gun, another institute by conductive material described in wire described in a group and a group State electrode and be connected to another electrode of described welding gun by another described wire of group and another described conductive material of group.
Preferably or in alternative embodiment, described in two groups, between conductive material, it is provided with insulant one.
The present invention also provides for a kind of welding method, and described welding method uses welder as above, it include with Lower step:
S1) two upper electrodes are connected respectively two electrodes in welding gun by conductive mechanism;
S2) pressure head of two upper electrodes is respectively provided at two solder joints of weldment;
S3) by welding gun, conductive mechanism is applied electric current, between two upper electrodes, form loop, simultaneously butt welding by weldment Two solder joints of part implement welding.
One preferably or in alternative embodiment, step S2) in, bracing frame is set below weldment, the supporting surface of bracing frame Fit with the weldment face at solder joint place, by the supporting surface of bracing frame and the pressure head of upper electrode, weldment is compressed.
One preferably or in alternative embodiment, step S2) in, the pressure head of electrode in regulation, make the axle of the pressure head of electrode Line is vertical with the tangent line in weldment face, solder joint place.
One preferably or in alternative embodiment, when welding the odd number solder joint of three or more than three, one of them solder joint It is soldered twice.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of welder of the prior art.
Fig. 2 is the schematic diagram of welder according to embodiments of the present invention.
Reference:
1’ Sheet metal component 22 Conductive material
2’ Copper pad 23 Insulant
3’ Upper electrode 3 Electrode
4’ Bottom electrode 31 Insulant
5’ Solder joint 4 Bracing frame
1 Upper electrode 5 Hold-down mechanism
11 Pressure head 6 Weldment
2 Conductive mechanism 7 Solder joint
21 Wire
Detailed description of the invention
In the accompanying drawings, same or similar label is used to represent same or similar element or have same or like function Element.Below in conjunction with the accompanying drawings embodiments of the invention are described in detail.
In describing the invention, term " " center ", " longitudinally ", " laterally ", "front", "rear", "left", "right", " vertically ", The orientation of the instruction such as " level ", " top ", " end " " interior ", " outward " or position relationship are to close based on orientation shown in the drawings or position System, is for only for ease of the description present invention and simplifies description rather than instruction or imply that the device of indication or element must have Specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limiting the scope of the invention.
As in figure 2 it is shown, the illustrative examples of the welder provided for the present invention, in this illustrative examples, weldering Connection device includes that two upper electrodes 1, two upper electrodes 1 are all connected respectively two electrodes in welding gun by conductive mechanism 2 3, the pressure head 11 of two upper electrodes 1 is respectively arranged at two solder joints 7 of weldment 6, when welding gun applies electric current to conductive mechanism 2, Loop is formed by weldment 6, it is possible to two solder joints 7 of butt-welding fitting 6 implement welding simultaneously between two upper electrodes 1.
The welder that the present invention provides can fast, be efficiently completed welding, advantageously reduce production cost, improve and weld The service life of rifle.
In the illustrative examples of above-mentioned welder, conductive mechanism 2 can include two groups of wires 21 and two groups of conductions Material 22, wherein electrode 1 is connected to a wherein electrode 3 of welding gun by one group of wire 21 and one group of conductive material 22 on one, separately On one, electrode 1 is connected to another electrode 3 of welding gun by another group wire 21 and another group conductive material 22.
Above-mentioned conductive mechanism 2 is referred to as puppet's welder or draws welder, and two upper electrodes 1 connect respectively Receive on the Different electrodes of same puppet's welder, make two upper electrodes 1 be controlled by puppet's welder, work as welding gun When puppet's welder is applied electric current, it is connected to electrode 1 on two on same puppet's welder and will pass through weldment 6 and formed back Road, the pressure head 11 of two upper electrodes 1 forms solder joint 7 respectively with weldment 6 contact point.
Owing to two groups of conductive materials 22 are located in same conductive mechanism 2, for avoiding interfering between Different electrodes, two groups Insulant 23 it is provided with between conductive material 22.It also is provided with insulant 31 between two electrodes 3 of welding gun.
In the illustrative examples of above-mentioned each welder, welder could be included for supporting the support of weldment 6 Weldment face mating shapes at frame 4, the supporting surface shape of bracing frame 4 and solder joint 7 place, in order to make the support of bracing frame 4 Preferably fit in the weldment face at face and solder joint 7 place, it is to avoid occur solder joint distort, puncture, the weld defect such as burr.
In operation: the side that weldment 6 is contained outward appearance solder joint is placed towards the pressure head 11 of two upper electrodes 1, exist The supporting surface of bracing frame 4 is set at the outward appearance solder joint of weldment 6;With the pressure that the supporting surface corresponding section of bracing frame 4 uses upper electrode 1 11 compress weldment 6 jointly with the supporting surface of bracing frame 4, it is to avoid occur solder joint distort, puncture, the weld defect such as burr.
One, preferably or in alternative embodiment, bracing frame 4 can use copper bracing frame 4, the bottom of copper bracing frame 4 to set There is felt pad.
In the illustrative examples of above-mentioned each welder, welder can also include two hold-down mechanisms 5, each pressure Electrode 1 in the corresponding clamping one of tight mechanism 5, hold-down mechanism 5 compresses the weldment face at solder joint 7 place for making the pressure head 11 of electrode 1.
Hold-down mechanism 5 one preferably or in alternative embodiment, hold-down mechanism 5 can be provided with regulation locking mechanism, regulation Locking mechanism when unclamping in regulation hold-down mechanism 5 clamping the position of electrode 1, and electrode 1 can be regulated The axis of pressure head 11 is vertical with the tangent line in weldment face, solder joint 7 place, and for by hold-down mechanism 5 and upper electrode after regulation completes 1 locking.
It should be understood that the pressure head 11 of upper electrode 1 has certain length, one end of pressure head 11 length direction is pressed in solder joint On the weldment face at 7 places, the axis of the pressure head 11 of upper electrode 1 is the line extended along pressure head 11 length direction.
In above-described embodiment, by unclamping regulation locking mechanism, the axis of the pressure head 11 of electrode 1 and solder joint 7 institute in regulation Tangent line in weldment face is vertical, and after regulation completes, is locked with upper electrode 1 by hold-down mechanism 5 by regulation locking mechanism, make The pressure head 11 of upper electrode 1 compresses the weldment face at solder joint 7 place jointly with the supporting surface of bracing frame 4, it is possible to be effectively improved outward appearance weldering The quality of point 7, farthest reduces the spot defects such as burr, conquassation, solder joint distortion, it is to avoid the feelings such as viscous electrode, fried rifle occur Condition, is favorably improved the service life of arc welding gun head.
One, preferably or in alternative embodiment, above-mentioned hold-down mechanism 5 can also include gas control parts, and gas control parts drive Connecting regulation locking mechanism, gas control parts are for controlling to adjust the unclamping of locking mechanism, locking.Press the clamping on gas control parts Button, weldment 6 can be powered on the supporting surface clamping of pole 1 and bracing frame 4.
Present invention also offers a kind of welding method, it uses above-mentioned welder, specifically may comprise steps of:
S1) two upper electrodes 1 are connected respectively two electrodes 3 in welding gun by conductive mechanism 2;
S2) pressure head 11 of two upper electrodes 1 is respectively provided at two solder joints 7 of weldment 6;
S3) by welding gun, conductive mechanism 2 is applied electric current, between two upper electrodes 1, form loop, simultaneously by weldment 6 Two solder joints 7 of butt-welding fitting 6 implement welding.
In above-mentioned steps S2) in, the weldering at bracing frame 4, the supporting surface of bracing frame 4 and solder joint 7 place is set below weldment 6 Fitting in part face, is compressed by weldment 6 by the supporting surface of bracing frame 4 and the pressure head 11 of upper electrode 1.
In above-mentioned steps S2) in, the pressure head 11 of electrode 1 in regulation, make axis and solder joint 7 institute of the pressure head 11 of electrode 1 Tangent line in weldment face is vertical.
In above-mentioned welding method, if the quantity of outward appearance solder joint 7 is even number, then by weldment 6 between two upper electrodes 1 Connect and form loop, each upper electrode 1 one solder joint 7 of corresponding welding.If the quantity of outward appearance solder joint 7 is odd number, such as: 3 Or the odd number solder joint 7 of more than 3, the most also it is to be connected by weldment 6 between two upper electrodes 1 to form loop, each upper electrode 1 One solder joint 7 of corresponding welding, but have a upper electrode 1 and be connected twice in same position, now, due to connected twice Upper electrode 1 can be to this means of spot welds twice, and therefore this solder joint 7 is it is noted that choose the point being difficult to most be observed, at utmost to subtract The little impact on its presentation quality.
The welding method that the invention described above provides is easy, and welding efficiency is high, it is possible to improve outward appearance quality of welding spot, at utmost Reduce the adverse effect that the spot defects such as burr, conquassation, solder joint distortion brings to weldment, and then improve the welding product of weldment Matter, and it can be avoided that the situations such as viscous electrode, fried rifle occur, therefore, be favorably improved the service life of arc welding gun head, effectively reduce life Produce manufacturing cost.
Above-mentioned welder and welding method are applicable to body in white and the welding of shutter member assembly, and wherein, weldment 6 is panel beating Part, the shape of above-mentioned copper supporting surface can be adjusted according to the shape of sheet metal component, and the welding condition of upper electrode 1 can root It is adjusted according to the composite request of solder joint visual condition and weld strength.Therefore, welder and the weldering of present invention offer are provided The method of connecing can reduce the weld defects such as burr, conquassation, solder joint distortion, for the higher body in white of spot welding appearance requirement and Shutter member assembly, it is possible to obtain appearance looks elegant, and weld strength meets the product that quality objective requires, and white car can be improved The outward appearance solder joint quality of body and shutter member assembly.
Last it is noted that above example is only in order to illustrate technical scheme, it is not intended to limit.This The those of ordinary skill in field is it is understood that can modify to the technical scheme described in foregoing embodiments or right Wherein portion of techniques feature carries out equivalent;These amendments or replacement, do not make the essence of appropriate technical solution depart from this Invent the spirit and scope of each embodiment technical scheme.

Claims (10)

1. a welder, it is characterised in that including: two upper electrodes (1), two described upper electrodes (1) are all by conduction Mechanism (2) is connected respectively two electrodes (3) in welding gun, and the pressure head (11) of two described upper electrodes (1) is respectively arranged on weldering Two solder joint (7) places of part (6), when described welding gun applies electric current to conductive mechanism (2), between two described upper electrodes (1) Loop is formed, it is possible to two solder joints (7) of butt-welding fitting (6) implement welding simultaneously by weldment (6).
2. welder as claimed in claim 1, it is characterised in that include the bracing frame (4) for supporting weldment (6), institute State the weldment face form fit at the supporting surface shape of bracing frame (4) and solder joint (7) place, so that the supporting surface of bracing frame (4) Fit with the weldment face at solder joint (7) place.
3. welder as claimed in claim 1, it is characterised in that include two hold-down mechanisms (5), each described compacting machine Upper electrode (1) described in the corresponding clamping one of structure (5), described hold-down mechanism (5) is used for making the pressure head (11) of described upper electrode (1) to compress The weldment face at solder joint (7) place.
4. welder as claimed in claim 3, it is characterised in that described hold-down mechanism (5) is provided with regulation locking mechanism, institute State regulation locking mechanism and clamp the position of described upper electrode (1) for regulating described hold-down mechanism (5) when unclamping, and The axis of the pressure head (11) that can regulate described upper electrode (1) is vertical with the tangent line in weldment face, solder joint (7) place, and is regulating For described hold-down mechanism (5) is locked with described upper electrode (1) after one-tenth.
5. welder as claimed in claim 1, it is characterised in that described conductive mechanism (2) include two groups of wires (21) and Two groups of conductive materials (22), wherein upper electrode (1) described in is by conductive material described in wire (21) described in a group and a group (22) being connected to a wherein electrode (3) of described welding gun, another described upper electrode (1) organizes described wire (21) and separately by another Conductive material (22) described in one group is connected to another electrode (3) of described welding gun.
6. welder as claimed in claim 5, it is characterised in that be provided with insulation material between conductive material (22) described in two groups Material (23).
7. a welding method, it is characterised in that use welder as described in any one of claim 1-6, it include with Lower step:
S1) two upper electrodes (1) are connected respectively two electrodes (3) in welding gun by conductive mechanism (2);
S2) pressure head (11) of two upper electrodes (1) is respectively provided at two solder joint (7) places of weldment (6);
S3) by welding gun, conductive mechanism (2) is applied electric current, between two upper electrodes (1), form loop by weldment (6), with Time butt-welding fitting (6) two solder joints (7) implement welding.
8. welding method as claimed in claim 7, it is characterised in that step S2) in, in weldment (6) lower section, bracing frame is set (4), the supporting surface of bracing frame (4) is fitted, by supporting surface and the upper electrode of bracing frame (4) with the weldment face at solder joint (7) place (1) weldment (6) is compressed by pressure head (11).
9. welding method as claimed in claim 7, it is characterised in that step S2) in, the pressure head (11) of electrode (1) in regulation, The axis making the pressure head (11) of electrode (1) is vertical with the tangent line in weldment face, solder joint (7) place.
10. welding method as claimed in claim 7, it is characterised in that weld the odd number solder joint (7) of three or more than three Time, one of them solder joint (7) is soldered twice.
CN201610532922.6A 2016-07-07 2016-07-07 A kind of welder and welding method Pending CN106112244A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610532922.6A CN106112244A (en) 2016-07-07 2016-07-07 A kind of welder and welding method

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Application Number Priority Date Filing Date Title
CN201610532922.6A CN106112244A (en) 2016-07-07 2016-07-07 A kind of welder and welding method

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CN106112244A true CN106112244A (en) 2016-11-16

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110560956A (en) * 2019-08-19 2019-12-13 国家电网有限公司 Circular seam welding device
CN111215778A (en) * 2019-11-18 2020-06-02 森克创能(天津)新能源科技有限公司 Welding device and welding process for zinc-nickel battery production

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110560956A (en) * 2019-08-19 2019-12-13 国家电网有限公司 Circular seam welding device
CN111215778A (en) * 2019-11-18 2020-06-02 森克创能(天津)新能源科技有限公司 Welding device and welding process for zinc-nickel battery production

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