CN107570899A - Welding method and the welding equipment for implementing the welding method - Google Patents
Welding method and the welding equipment for implementing the welding method Download PDFInfo
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- CN107570899A CN107570899A CN201710507323.3A CN201710507323A CN107570899A CN 107570899 A CN107570899 A CN 107570899A CN 201710507323 A CN201710507323 A CN 201710507323A CN 107570899 A CN107570899 A CN 107570899A
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Abstract
A kind of welding equipment the invention discloses welding method and for implementing the welding method, the welding method comprise the following steps：The first workpiece and second workpiece to be welded are positioned, surface to be welded is in horizontal welding position；Pad is provided to the back side of first workpiece and the surface to be welded of the second workpiece；Preposition thermal source and rearmounted thermal source are provided, to form weld seam in the surface to be welded of first workpiece and the second workpiece, the energy density of the preposition thermal source is more than the energy density of the rearmounted thermal source, wherein described pad is relative with the preposition thermal source and the rearmounted thermal source, and the pad moves with the preposition thermal source and the rearmounted thermal source to identical direction.Welding method according to embodiments of the present invention has the advantages such as welding efficiency is high, welding quality is good, welding difficulty is low, it is possible to achieve single face welding and double face shaping.
Description
Technical field
The present invention relates to welding field, in particular it relates to which welding method, further relates to the welding for implementing the welding method
Equipment.
Background technology
Existing welding method can not realize the single face welding and double face shaping of weld seam in the case where being not provided with pad.In order to
The single face welding and double face shaping of weld seam is realized, pad can only be set at the back side of weld seam.But pad is set cost height, effect to be present
The defects of rate is low.
In welding box-shaped part, in order to ensure box part can have sufficient bearing capacity, the positive back of the body of technological requirement box part
Realize good shaping, the complete penetration of the root of weld in face.At present, in the case where being not provided with pad, using conventional gas shield welding to case
When type part is welded, molten pool metal produces trickling under gravity, can not realize the good shaping in the back side, often occurs
The non-penetration in the back side and weldering are leaked, and not only reduce the loaded area of box part, it is easier to cause the quality problems such as the cracking of box part,
It is serious to govern Large-Scale Equipment manufacture.
Therefore, when there is larger space at the back side of box part, repair welding manually is carried out to the back side of box part.But this leads
Cause welding efficiency is low, labor intensity is excessive, and human weld's mass can not ensure.
But when the backside space of box part is smaller, it can not manually carry out back side welding.Now, can only be in box part
The back side set pad.For the larger box part of length, its backside space is very narrow and small, or even can not be set at its back side
Pad is put, the box part for causing length larger has the mass defect of the non-penetration in the back side and weldering leakage.
The content of the invention
The problem of the invention aims to overcome prior art to exist, there is provided welding method, the welding method need not
The pad that length with weld seam matches is set.
To achieve these goals, first aspect present invention provides a kind of welding method, and the welding method includes following
Step：The first workpiece and second workpiece to be welded are positioned, surface to be welded is in horizontal welding position；To first workpiece and institute
The back side for stating the surface to be welded of second workpiece provides pad；Preposition thermal source and rearmounted thermal source are provided, so as to first workpiece with
The surface to be welded of the second workpiece forms weld seam, and the energy density of the preposition thermal source is close more than the energy of the rearmounted thermal source
Degree, wherein the pad is relative with the preposition thermal source and the rearmounted thermal source, it is described to pad and the preposition thermal source and described
Rearmounted thermal source moves to identical direction.
According to the welding method of the present invention by using the larger preposition thermal source of energy density to the first workpiece and the second work
Part provides heat, so as to so that preposition thermal source has certain penetration power to the first workpiece and second workpiece, thus preposition heat
Source can penetrate the first workpiece and second workpiece continuously to create groove and keyhole.
The less rearmounted thermal source of energy can continuously produce appropriate liquid metal, and can make caused liquid metal
By the effect of gravity, surface tension, applied mechanical power etc., the first workpiece and the second work are entered by the groove and the keyhole
The back side of part and it is filled in the groove and the via.
Therefore, the groove and the spoon are formed by the larger preposition thermal source of energy density according to the welding method of the present invention
Hole, by the less rearmounted thermal source liquid filling body metal of energy density, so as to be formed, fusion penetration is deeper, the less weldering of molten wide
Seam, the welding number of plies and welding road number are reduced, reduces welding deformation, improve weldquality and welding efficiency.
According to the present invention welding method by the back side of the first workpiece and second workpiece set with preposition thermal source and after
The pad that thermal source is relative and is moved to identical direction is put, the groove and the keyhole are penetrated so as to be held using pad
Liquid metal, to make back of weld force to be cooled and shaped, it is possible thereby to ensure the stable molding of back of weld, to realize list
Face weldering double-faced forming (as shown in Figure 3).
It is additionally, since pad to move to identical direction with preposition thermal source and rearmounted thermal source, therefore only needs to set length
Very short pad, you can greatly to reduce the length of pad.Thus it can not only greatly reduce welding cost, improve welding
Efficiency (sets longer pad to need to consume longer time), and pad can be made to be close to the first workpiece and second all the time
The back side of workpiece, more efficiently to hold the liquid metal for penetrating the groove and the keyhole, so as to avoid front from collapsing
Fall into, the problems such as leaking is welded at the back side.
The back side pad frock of the present invention can be such that back side pad is adjacent in box part by rotating regulating bolt and nut
Wall, to enable back side pad frock to be applied to the box part welding of various height and width.For varying cross-section size
Box part welding, a set of back side pad frock, frock strong adaptability and cost-effective is used only in the present invention.
Further, since preposition thermal source can produce groove on the first workpiece and second workpiece, therefore work as first work
When the thickness of the thickness of part and the second workpiece is respectively less than equal to 8 millimeters, without before welding in the first workpiece and the second work
Finished edge on part.Thus the process of finished edge can not only be saved, to improve welding efficiency, and without in the first work
Gap is set between part and second workpiece, significantly to reduce the cross-sectional area of weld seam, to reduce wlding consumption, welding deformation and residual
Residue stress, the difficulty for reducing positioning, the workpiece of clamping first and second workpiece, and then reduce welding difficulty.
Using the welding box-shaped part of welding method according to embodiments of the present invention, without manually being mended to the back side of box part
Weldering, to improve welding efficiency, to reduce labor intensity.Especially weld length longer box part when, by being carried at its back side
For mobile shorter pad, so as to solve the problems, such as that longer pad can not be set at its back side, thus it is greatly enhanced
The welding quality of the longer box part of weld length.
Therefore, the advantages such as welding efficiency is high, welding quality is good, welding difficulty is low are had according to the welding method of the present invention,
Single face welding and double face shaping can be realized.
Preferably, the angle between the center line of the center line of the preposition thermal source and the rearmounted thermal source is with before described
Put the electric current of thermal source and at least one increase in the electric current of the rearmounted thermal source and reduce, the preposition thermal source and it is described after
The centre distance of thermal source is put with least one increase in the electric current of the preposition thermal source and the electric current of the rearmounted thermal source
And increase, the electric current of the preposition thermal source with the preposition thermal source and first workpiece and the second workpiece it is vertical away from
From reduction and reduce, each in the voltage of the electric current of the rearmounted thermal source and the rearmounted thermal source is with the rearmounted heat
The reduction of source and first workpiece and the vertical range of the second workpiece and reduce, speed of welding is with the rearmounted thermal source
With the vertical range and the preposition thermal source of first workpiece and the second workpiece and first workpiece and described the
The reduction of the vertical range of two workpiece and increase.
Preferably, speed of welding is with least one in the electric current of the preposition thermal source and the electric current of the rearmounted thermal source
Increase and increase, be provided with magnetic field between the preposition thermal source and the rearmounted thermal source, the electric current of the preposition thermal source, it is described after
Put the electric current of thermal source, the voltage of the rearmounted thermal source, the flow of protective gas of the rearmounted thermal source, plasma gas flow and
Each in the intensity in the magnetic field is with least one in the thickness of first workpiece and the thickness of the second workpiece
Individual increase and increase.
Preferably, the angle between the center line of the center line of the preposition thermal source and the rearmounted thermal source be more than 0 degree and
Less than or equal to 45 degree, it is preferable that the angle is more than or equal to 15 degree and less than or equal to 25 degree.
Preferably, the centre distance of the preposition thermal source and the rearmounted thermal source is 5 millimeters -10 millimeters, it is preferable that described
The centre distance of preposition thermal source and the rearmounted thermal source is 7.5 millimeters.
Preferably, the preposition thermal source and the vertical range of first workpiece and the second workpiece are 5 millimeter of -10 milli
Rice, the rearmounted thermal source are 5 millimeters -10 millimeters with the vertical range of first workpiece and the second workpiece, it is preferable that institute
The vertical range for stating preposition thermal source and first workpiece and the second workpiece is 7.5 millimeters, the rearmounted thermal source with it is described
The vertical range of first workpiece and the second workpiece is 7.5 millimeters.
Preferably, the preposition thermal source and the rearmounted thermal source act on Weld pipe mill, the effect of the preposition thermal source
Area is less than the active area of the rearmounted thermal source, and the preposition thermal source is electron beam, laser beam or beam-plasma, described rearmounted
Thermal source is electric arc, and the protective gas of the rearmounted thermal source is selected from argon gas, rich argon-mixed, carbon dioxide, nitrogen and helium
At least one of, the electric current of the preposition thermal source is 60 amperes -220 amperes, the electric current of the rearmounted thermal source for 280 amperes -
440 amperes, the voltage of the rearmounted thermal source is 16 volts -34 volts, the flow of the protective gas of the rearmounted thermal source for 10 liters -
25 liters/min；Preferably, the electric current of the preposition thermal source is 130 amperes -150 amperes, and the electric current of the rearmounted thermal source is 350
- 370 amperes of ampere, the voltage of the rearmounted thermal source is 24 volts -26 volts, and the flow of the protective gas of the rearmounted thermal source is
17.5 liters/min；Preferably, the preposition thermal source is beam-plasma, the plasma gas flow of the preposition thermal source for 7 liters/
- 8 liters/min of minute.
Preferably, speed of welding is 600 millimeter of -1800 mm/min, it is preferable that the speed of welding be 1100 millimeters -
1200 mm/mins.
Preferably, the gap of first workpiece and the second workpiece is less than or equal to 2 millimeters, it is preferable that described first
Workpiece is equal to 0 millimeter so that first workpiece contacts with the second workpiece with the gap of the second workpiece.
Preferably, first workpiece and the second workpiece, first workpiece are manufactured using plasma cut mode
There is I shape grooves between the second workpiece.
Second aspect of the present invention provides the welding equipment for implementing welding method described according to a first aspect of the present invention,
The welding equipment includes：For providing the preposition thermal source of heat and rearmounted thermal source to the first workpiece and second workpiece；And the back of the body
Face pads frock, and the back side pad frock includes：Support for support pad；First chassis, first chassis is along
One direction is movably arranged on the support；With the second chassis, second chassis is movably arranged at institute in a second direction
State on support, the second direction is perpendicular to the first direction.
Welding equipment according to embodiments of the present invention is by setting along moveable first chassis of the first direction and edge
Moveable second chassis of the second direction, so as to so that the welding equipment can be applied to the case of various height and width
The welding of type part.Therefore, the welding equipment has the advantages of having a wide range of application, strong adaptability.
Preferably, the welding equipment further comprises：The first adjusting screw rod extended along the first direction, described the
One adjusting screw rod passes through first chassis and the support；First adjusting nut to the 4th adjusting nut, first regulation
Each in nut to the 4th adjusting nut is set in first adjusting screw rod, wherein first chassis is clamped
Between first adjusting nut and second adjusting nut, the Part I of the support is clamped in the described 3rd and adjusted
Save between nut and the 4th adjusting nut；The second adjusting screw rod extended along the second direction, the second regulation spiral shell
Bar passes through second chassis and the support；With the 5th adjusting nut to the 8th adjusting nut, the 5th adjusting nut is extremely
Each in 8th adjusting nut is set in second adjusting screw rod, wherein second chassis be clamped in it is described
Between 5th adjusting nut and the 6th adjusting nut, the Part II of the support is clamped in the 7th adjusting nut
Between the 8th adjusting nut.
Preferably, first chassis is provided with the first roller for being suitable to contact with the first internal face of box part, described
Second chassis is provided with the 3rd roller for being suitable to contact with the 3rd internal face of the box part, and the support includes body and use
In the supporting part of support pad, the supporting part is set on the body, and the body, which is provided with, to be suitable to and the box part
The second roller and the 4th roller that is contacted with the 4th internal face of the box part of second internal face contact, wherein described the
Two internal faces and first internal face are relative in said first direction, and the 4th internal face exists with the 3rd internal face
It is relative in the second direction.
Brief description of the drawings
Fig. 1 is the schematic diagram welded using welding method according to embodiments of the present invention；
Fig. 2 is the schematic diagram welded using welding method according to embodiments of the present invention；
Fig. 3 is the schematic diagram of the weld seam formed using welding method according to embodiments of the present invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings.Below with reference to
The embodiment of accompanying drawing description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings welding method according to embodiments of the present invention is described.As depicted in figs. 1 and 2, according to the present invention
The welding method of embodiment comprises the following steps：
The first workpiece 20 and second workpiece 30 to be welded are positioned, surface to be welded is in horizontal welding position；
Pad 70 is provided to the back side of the first workpiece 20 and the surface to be welded of second workpiece 30；
Preposition thermal source 40 and rearmounted thermal source 50 is provided to weld to be formed in the surface to be welded of the first workpiece 20 and second workpiece 30
Seam, the energy density of preposition thermal source 40 are more than the energy density of rearmounted thermal source 50.Wherein, pad 70 and preposition thermal source 40 and rearmounted
Thermal source 50 is relative, and pad 70 moves with preposition thermal source 40 and rearmounted thermal source 50 to identical direction.
Welding method according to embodiments of the present invention is by using the larger preposition thermal source 40 of energy density to the first workpiece
20 and second workpiece 30 heat is provided, so as to so that preposition thermal source 40 have to the first workpiece 20 and second workpiece 30 it is certain
Penetration power, thus preposition thermal source 40 can penetrate the first workpiece 20 and second workpiece 30 continuously to create groove and keyhole.
The less rearmounted thermal source 50 of energy can continuously produce appropriate liquid metal, and can make caused liquid gold
Category enters the first workpiece 20 and the by the effect of gravity, surface tension, applied mechanical power etc., by the groove and the keyhole
The back side of two workpiece 30 and it is filled in the groove and the via.
Therefore, welding method according to embodiments of the present invention forms the groove by the larger preposition thermal source 40 of energy density
With the keyhole, by the less rearmounted liquid filling body metal of thermal source 50 of energy density, so as to formed fusion penetration is deeper, molten wide compared with
Small weld seam, the welding number of plies and welding road number are reduced, reduces welding deformation, improve weldquality and welding efficiency.
Welding method according to embodiments of the present invention at the back side of the first workpiece 20 and second workpiece 30 by setting with before
Put thermal source 40 and rearmounted thermal source 50 is relative and the pad 70 that is moved to identical direction, so as to hold and wear using pad 70
The liquid metal of the saturating groove and the keyhole, to make back of weld force to be cooled and shaped, it is possible thereby to ensure back of weld
Stable molding, to realize single face welding and double face shaping.
It is additionally, since pad 70 to move to identical direction with preposition thermal source 40 and rearmounted thermal source 50, therefore only needs to set
Put the very short pad 70 of length, you can greatly to reduce the length of pad 70.Thus it can not only greatly reduce and be welded into
Originally welding efficiency (setting longer pad to need to consume longer time), is improved, and pad 70 can be made to be close to all the time
The back side of first workpiece 20 and second workpiece 30, more efficiently to hold the liquid metal for penetrating the groove and the keyhole,
So as to avoid front from collapsing, the back side weldering leakage the problems such as.
Further, since preposition thermal source 40 can produce groove on the first workpiece 20 and second workpiece 30, therefore when first
The thickness of workpiece 20 and the thickness of second workpiece 30 are respectively less than when being equal to 8 millimeters, without before welding in the first workpiece 20 and the
Finished edge on two workpiece 30.Thus can not only save the process of finished edge, to improve welding efficiency, and without
Gap is set between first workpiece 20 and second workpiece 30, significantly to reduce the cross-sectional area of weld seam, to reduce wlding consumption, weldering
Connect deformation and residual stress, reduce the difficulty of positioning, the first workpiece of clamping 20 and second workpiece 30, and then it is difficult to reduce welding
Degree.
Using the welding box-shaped part of welding method according to embodiments of the present invention, without manually being mended to the back side of box part
Weldering, to improve welding efficiency, to reduce labor intensity.Especially weld length longer box part when, by being carried at its back side
For mobile shorter pad, so as to solve the problems, such as that longer pad can not be set at its back side, thus it is greatly enhanced
The welding quality of the longer box part of weld length.
Therefore, welding method according to embodiments of the present invention has welding efficiency is high, welding quality is good, welding difficulty is low etc.
Advantage, it is possible to achieve single face welding and double face shaping.
Because welding method according to embodiments of the present invention can not only realize single face welding and double face shaping, and only need to set
The very short pad 70 of length is put, therefore welding method according to embodiments of the present invention is especially suitable for the small work of welding backside space
Part, such as box part.Wherein, the cross section of the box part after welding has interior edge and the outer of closing.
That is, the box part after welding can be by upper metallic plate, left side metallic plate, lower metallic plate and right side gold
Category plate is sequentially connected the part of composition, and the cross section of the box part after welding can be quadrangle.The box part after welding
Interior to have receiving space, the front-end and back-end of the receiving space can be opened wide.Specifically, the box part can be crane
The conveying arm etc. of arm, concrete mixer.
Before welding, the first workpiece 20 and second workpiece 30 can be separation, when using cold forming mode or thermoforming
When mode obtains the first workpiece 20 and second workpiece 30, the first workpiece 20 and second workpiece 30 can be integrally formed.
The ratio between the length of the box part and width can be (2-20)：1, the ratio between the length of the box part and height can be
(2-20)：1.Preferably, the ratio between the length of the box part and width can be (5-20)：1, length and the height of the box part
Than that can be (5-20)：1.It is further preferred that the ratio between the length of the box part and width can be (7-20)：1, the box part
The ratio between length and height can be (7-20)：1.Wherein, the length of the box part and height and the ratio between width are bigger, be more difficult into
The repair welding of the row back side, it is more suitable to be welded using welding method according to embodiments of the present invention.
In one embodiment of the invention, 70 translational speed and the translational speed of preposition thermal source 40 and rearmounted heat are padded
The difference of the translational speed in source 50 can be less than or equal to preset value.Preferably, preposition thermal source can be equal to by padding 70 translational speed
The translational speed of 40 translational speed and rearmounted thermal source 50.In other words, pad 70, preposition thermal source 40 and rearmounted thermal source 50 can be same
Moved further.Wherein, pad 70 can be metal gasket, such as copper lining, pad 70 can also be high-temperature resistant composite material linings
Pad, such as fiberglass blankets.
When the first workpiece 20 and second workpiece 30 form the box part, preposition thermal source 40 and rearmounted thermal source 50 act on the
On the flat part of one workpiece 20 and the flat part of second workpiece 30.For the ease of description, represent flat with the first workpiece 20 below
First workpiece 20 of tabular and form the box part the first workpiece 20 flat part, represent tabular with second workpiece 30
Second workpiece 30 and form the box part second workpiece 30 flat part.
The parameter of welding method according to embodiments of the present invention is preferably associated.
Specifically, there is preposition thermal source 40 characteristic, the preposition thermals source 40 such as energy density is high, electric arc rigidity is big can ensure
Welding penetration.Rearmounted thermal source 50 has the ability of stronger weld seam filling metal.The center line L1 of preposition thermal source 40 and rearmounted heat
Angle α between the center line L2 in source 50 can be with least one in the electric current of preposition thermal source 40 and the electric current of rearmounted thermal source 50
Individual increase and reduce.
The centre distance d of preposition thermal source 40 and rearmounted thermal source 50 can be with the electric current and rearmounted thermal source 50 of preposition thermal source 40
Electric current at least one increase and increase.It thus it can be prevented that and apply excessive heat in unit area, so as to keep away
Exempt from back side weldering leakage.Wherein, the nozzle end of preposition thermal source 40 can be adjacent to the first workpiece 20 and second workpiece 30, rearmounted thermal source 50
Nozzle end can neighbouring first workpiece 20 and second workpiece 30, the spray of the nozzle end of preposition thermal source 40 and rearmounted thermal source 50
Distance of the mouth end on the length direction of the weld seam is the centre distance d of preposition thermal source 40 and rearmounted thermal source 50.
By adjusting the angle α and centre distance d, it can make conduction between preposition thermal source 40 and rearmounted thermal source 50 be present
Passage.By the conductive channel, the electric arc of preposition thermal source 40 can be attracted at the electric arc of rearmounted thermal source 50, same to produce
One molten bath.Moreover, the electric arc of preposition thermal source 40 and the electric arc of rearmounted thermal source 50 stir mutually in the molten bath, so as to not only may be used
To remove the impurity such as the gas in the liquid metal in the molten bath, oxide, and weld metal can be refined, effectively prevented
The generation of weld defect.In addition, the other specification by adjusting welding method according to embodiments of the present invention, can be avoided preposition
The electric arc of the electric arc of thermal source 40 and rearmounted thermal source 50 interferes, to change the viscosity of liquid metal (molten metal) and flowing
Characteristic, so as to change the shape in the molten bath.
Preferably, the angle α between the center line L1 of preposition thermal source 40 and the center line L2 of rearmounted thermal source 50 can be more than 0
Spend and less than or equal to 45 degree.It is further preferred that the angle α can be more than or equal to 10 degree and less than or equal to 30 degree.Most preferably, should
Angle α can be more than or equal to 15 degree and less than or equal to 25 degree.
Angle α take on the occasion of.That is, the center line L2 of rearmounted thermal source 50 is located at preposition thermal source 40 in the clockwise direction
Center line L1 downstream, i.e., it is preposition when the angle that the center line L1 of preposition thermal source 40 rotates in the clockwise direction is angle α
The center line L1 of thermal source 40 rotates to the center line L2 of rearmounted thermal source 50 position.
Specifically, the first plane can be parallel to the perpendicular of the weld seam, and the center line L1 of preposition thermal source 40 is at this
Projection in first plane can be preceding center line, and the projection of the center line L2 of rearmounted thermal source 50 in first plane can be
CB.Wherein, the angle of the preceding center line and the CB can also be equal to angle α, and the preceding center line is clockwise
When the angle just rotated up is angle α, the preceding center line overlaps with CB L2.
Preferably, the centre distance d of preposition thermal source 40 and rearmounted thermal source 50 can be 5 millimeters -10 millimeters.More preferably
Ground, the centre distance d of preposition thermal source 40 and rearmounted thermal source 50 can be 6 millimeters -9 millimeters.Most preferably, preposition thermal source 40 is with after
The centre distance d for putting thermal source 50 can be 7.5 millimeters.
The electric current of preposition thermal source 40 subtracts with preposition thermal source 40 and the vertical range h's of the first workpiece 20 and second workpiece 30
Small and reduce, each in the electric current of rearmounted thermal source 50 and the voltage of rearmounted thermal source 50 is with the rearmounted workpiece of thermal source 50 and first
20 and second workpiece 30 vertical range h reduction and reduce.It thus it can be prevented that the penetration power of preposition thermal source 40 is too strong, and prevent
Only rearmounted thermal source 50 fills excessive liquid metal.The vertical range h of the preposition workpiece 20 of thermal source 40 and first and second workpiece 30
Refer to the nozzle end and the vertical range of the first workpiece 20 and second workpiece 30 of preposition thermal source 40, the rearmounted work of thermal source 50 and first
The vertical range h of part 20 and second workpiece 30 refers to the nozzle end and the first workpiece 20 and second workpiece 30 of rearmounted thermal source 50
Vertical range.
Wherein, when the upper surface of the first workpiece 20 is concordant with the upper surface of second workpiece 30, preposition thermal source 40 and first
The vertical range h of workpiece 20 and second workpiece 30 refers to upper surface and the second workpiece 30 of the preposition workpiece 20 of thermal source 40 and first
The vertical range of any one in upper surface, the vertical range h of rearmounted thermal source 50 and the first workpiece 20 and second workpiece 30 are
Refer to the vertical range of any one in the preceding surface of the rearmounted workpiece 20 of thermal source 50 and first and the preceding surface of second workpiece 30.
When the upper surface and the not concordant upper surface of second workpiece 30 of the first workpiece 20, i.e., the thickness of the first workpiece 20 is not
Equal to the thickness of second workpiece 30, the vertical range h of the preposition workpiece 20 of thermal source 40 and first and second workpiece 30 refers to preposition heat
The vertical range of the upper surface of relatively thin one in the workpiece 20 of source 40 and first and second workpiece 30, rearmounted thermal source 50 and first
The vertical range h of workpiece 20 and second workpiece 30 refers to relatively thin in the rearmounted workpiece 20 of thermal source 50 and first and second workpiece 30
The vertical range of the upper surface of one.
The vertical range h of the preposition workpiece 20 of thermal source 40 and first and second workpiece 30 can be 5 millimeters -10 millimeters, rearmounted
The vertical range h of the workpiece 20 of thermal source 50 and first and second workpiece 30 can be 5 millimeters -10 millimeters.Preferably, preposition thermal source 40
Vertical range h with the first workpiece 20 and second workpiece 30 can be 6 millimeters -9 millimeters, the rearmounted workpiece 20 of thermal source 50 and first and
The vertical range h of second workpiece 30 can be 6 millimeters -9 millimeters.
It is further preferred that the vertical range h of the preposition workpiece 20 of thermal source 40 and first and second workpiece 30 can be 7.5 millis
Rice, the vertical range h of the rearmounted workpiece 20 of thermal source 50 and first and second workpiece 30 can be 7.5 millimeters.Most preferably, preposition heat
The vertical range of the workpiece 20 of source 40 and first and second workpiece 30 can be equal to the rearmounted workpiece 20 of thermal source 50 and first and the second work
The vertical range of part 30.
Speed of welding can be with the vertical range of rearmounted thermal source 50 and the first workpiece 20 and second workpiece 30 and preposition
The reduction of thermal source 40 and the first workpiece 20 and the vertical range of second workpiece 30 and increase.The speed of welding can be with preposition heat
At least one increase in the electric current of the electric current in source 40 and rearmounted thermal source 50 and increase.It thus it can be prevented that preposition thermal source 40
Penetration power is too strong, and prevents rearmounted thermal source 50 from filling excessive liquid metal.
The speed of welding can be 600 millimeter of -1800 mm/min.Preferably, the speed of welding can be 800 millimeters-
1500 mm/mins.It is further preferred that the speed of welding can be 1000 millimeter of -1300 mm/min.Most preferably, the weldering
It can be 1100 millimeter of -1200 mm/min to connect speed.
Magnetic field can be provided between preposition thermal source 40 and rearmounted thermal source 50.By preposition thermal source 40 and rearmounted thermal source 50 it
Between magnetic field is set, so as to avoid producing interference between the electric arc of preposition thermal source 40 and the electric arc of rearmounted thermal source 50, and can be with
Adjust the form of the electric arc of preposition thermal source 40 and the form of the electric arc of rearmounted thermal source 50.Preferably, the magnetic field can be located at neighbouring
The first end of preposition thermal source 40 and the first end of rearmounted thermal source 50.
The electric current of preposition thermal source 40, the electric current of rearmounted thermal source 50, the voltage of rearmounted thermal source 50, the protection gas of rearmounted thermal source 50
Each in the flow of body, plasma gas flow (i.e. preposition thermal source 40 is beam-plasma) and the intensity in the magnetic field can be with
The thickness of the first workpiece 20 and at least one increase in the thickness of second workpiece 30 and increase.Thus before can not only making
Putting thermal source 40 has enough penetration powers, and rearmounted thermal source 50 can be enable to fill appropriate liquid metals.
Wherein, preposition thermal source 40 and rearmounted thermal source 50 can act on Weld pipe mill, the active area of preposition thermal source 40
Less than the active area of rearmounted thermal source 50.Because the active area of preposition thermal source 40 is smaller, therefore preposition thermal source 40 can produce
The keyhole of predetermined width, without causing the back side to weld the defects of leaking.Preferably, the width of the keyhole can be 2 millimeters -3 millimeters.
Preposition thermal source 40 can be electron beam, laser beam or beam-plasma, and rearmounted thermal source 50 can be electric arc, rearmounted thermal source
50 protective gas can be selected from least one of argon gas, rich argon-mixed, carbon dioxide, nitrogen and helium.It is preposition
The electric current of thermal source 40 can be 60 amperes -220 amperes, and the electric current of rearmounted thermal source 50 can be 280 amperes -440 amperes, rearmounted heat
The voltage in source 50 can be 16 volts -34 volts, and the flow of the protective gas of rearmounted thermal source 50 can be 10 liters -25 liters/min.
Preferably, the electric current of preposition thermal source 40 can be 100 amperes -140 amperes, and the electric current of rearmounted thermal source 50 can be
345 amperes -365 amperes, the voltage of rearmounted thermal source 50 can be 20.5 volts -22 volts, the protective gas of rearmounted thermal source 50
Flow can be 15 liters -20 liters/min.
It is further preferred that the electric current of preposition thermal source 40 can be 100 amperes -180 amperes, the electric current of rearmounted thermal source 50 can be with
It it is 320 amperes -400 amperes, the voltage of rearmounted thermal source 50 can be 20 volts -30 volts, the protective gas of rearmounted thermal source 50
Flow can be 17.5 liters/min.
It is further preferred that the electric current of preposition thermal source 40 can be 120 amperes -160 amperes, the electric current of rearmounted thermal source 50 can
To be 340 amperes -380 amperes, the voltage of rearmounted thermal source 50 can be 22 volts -28 volts.Most preferably, preposition thermal source 40
Electric current can be 130 amperes -150 amperes, and the electric current of rearmounted thermal source 50 can be 350 amperes -370 amperes, rearmounted thermal source 50
Voltage can be 24 volts -26 volts.
Preposition thermal source 40 can be beam-plasma, and the plasma gas flow of preposition thermal source 40 can be 2 liter/min -12
Liter/min.Preferably, the plasma gas flow of preposition thermal source 40 can be 5 liters/min -10 liters/min.It is further preferred that
The plasma gas flow of preposition thermal source 40 can be 6 liters/min -9 liters/min.Most preferably, the plasma of preposition thermal source 40
Gas flow can be 7 liters/min -8 liters/min.
The gap (group is adjusted the distance) of first workpiece 20 and second workpiece 30 can be less than or equal to 2 millimeters.Preferably, the first work
The gap of part 20 and second workpiece 30 can be less than or equal to 1 millimeter.It is further preferred that between the first workpiece 20 and second workpiece 30
Gap can be less than or equal to 0.5 millimeter.Most preferably, the gap of the first workpiece 20 and second workpiece 30 can be equal to 0 millimeter so as to
First workpiece 20 contacts with second workpiece 30.
Because preposition thermal source 40 can continuously create groove, therefore welding method according to embodiments of the present invention is to first
Groove on workpiece 20 and second workpiece 30 does not require.It is possible thereby to greatly reduce the first workpiece 20 and second workpiece 30
Gap, so as to reduce positioning, the first workpiece of clamping 20 and the difficulty of second workpiece 30, and then reduce welding difficulty.Its
In, when the first workpiece 20 contacts with second workpiece 30, the positioning of the first workpiece 20 and second workpiece 30, clamping difficulty are minimum.
, can not when the thickness of less one of thickness in the first workpiece 20 and second workpiece 30 is less than or equal to 8 millimeters
Need the finished edge on the first workpiece 20 and second workpiece 30, you can using I shape grooves, so can not only save processing slope
The process of mouth, can also improve welding efficiency.When the thickness of the first workpiece 20 and the thickness of second workpiece 30 are all higher than 8 millimeters
When, in order that preposition thermal source 130 more easily creates keyhole, can on the first workpiece 20 and second workpiece 30 finished edge
60。
When the thickness of less one of thickness in the first workpiece 20 and second workpiece 30 is less than or equal to 8 millimeters, first
Can have I shapes groove, V-butt, single bevel groove, single V groove with root face or U-shaped groove between workpiece 20 and second workpiece 30.It is excellent
Selection of land, can have I shapes groove, V-butt, single bevel groove or single V groove with root face, I between the first workpiece 20 and second workpiece 30
The bevel angle of each in shape groove, V-butt, single bevel groove and single V groove with root face is less than or equal to 30 degree.
When the thickness of the first workpiece 20 and the thickness of second workpiece 30 are all higher than 8 millimeters, the first workpiece 20 and the second work
Can have V-butt, single bevel groove, single V groove with root face or U-shaped groove between part 30.Preferably, V-butt, unilateral V-arrangement slope
The bevel angle of each in mouth and single V groove with root face is less than or equal to 60 degree, it is further preferred that V-butt, single bevel groove and Y
The bevel angle of each in shape groove can be more than or equal to 20 degree and can be less than or equal to 6 millis less than or equal to 40 degree, root face
Rice.Most preferably, the bevel angle of each in V-butt, single bevel groove and single V groove with root face can be equal to 30 degree, root face
5 millimeters can be less than or equal to.
In the specific example of the present invention, the first workpiece 20 and the second work can be manufactured using plasma cut mode
Part 30, there can be I shape grooves between the first workpiece 20 and second workpiece 30.That is, the first workpiece 20 and second workpiece
Without finished edge between 30.
In existing welding method, because the roughness in the plasma cut face (surface to be welded) of workpiece is larger, therefore
Need to carry out retaining wall on slope to the plasma cut face of workpiece.That is, prior art can not be in the situation of not finished edge
Under, the workpiece manufactured using plasma cut mode is welded.
And welding method according to embodiments of the present invention can be without finished edge, directly to utilizing plasma cut mode
The workpiece of manufacture is welded, and so as to reduce the requirement to workpiece, expands the selection range of workpiece.
By choosing the span of above-mentioned parameter, it can not only ensure the penetration of weld seam, and can further protect
Trickling that liquid metal will not be excessive is demonstrate,proved to back of weld, realizes the single face welding and double face shaping of weld seam.
As depicted in figs. 1 and 2, welding method according to embodiments of the present invention can utilize back side pad frock 10 to first
The back side of workpiece 20 and second workpiece 30 provides pad 70.Back side pad frock 10 can include the first chassis 121, the second chassis
122 and the support 110 for support pad 70, wherein, the first chassis 121 and the second chassis 122 can be resisted against box part 80
Inner bottom wall face on, pad 70 can be located on support 110.
First chassis 121 can be movably arranged on support 110 along the vertical direction, in order to so that the back side pads frock
10 can be used in the box part 80 of various height.Second chassis 122 is in left-right direction or fore-and-aft direction is movably arranged at support
On 110, in order to so that back side pad frock 10 can be used in the box part 80 of various width.Wherein, in above-below direction such as Fig. 2
Arrow A shown in, left and right directions or fore-and-aft direction are as shown in the arrow B in Fig. 2.As can be seen here, a set of back side of the invention lining
Pad frock 10 can apply to the welding of the box part 80 of varying cross-section size, frock strong adaptability and cost-effective.
Welding equipment according to embodiments of the present invention by setting along moveable first chassis 121 of the first direction and
Along moveable second chassis 122 of the second direction, so as to so that the welding equipment can be applied to various height and width
Box part 80 welding.Therefore, the welding equipment has the advantages of having a wide range of application, strong adaptability.
It is movably arranged at along the longitudinal direction on support 110 with the second chassis 122 below, the back side pads frock 10 along left and right
Illustrated exemplified by the movement of direction.That is, pad 70, preposition thermal source 40 and rearmounted thermal source 50 move in left-right direction, weld
Seam extends in left-right direction.
In one embodiment of the invention, pad frock 10 in the back side may further include the first adjusting screw rod 131, the
One adjusting nut 141, the second adjusting screw rod 132 and the 5th adjusting nut 145.
First adjusting screw rod 131 can be with vertically extending, and the first adjusting screw rod 131 can be located at the first chassis 121
On one in support 110, the first adjusting screw rod 131 can pass through another in the first chassis 121 and support 110.The
One adjusting nut 141 can be set on the first adjusting screw rod 131, and the first adjusting nut 141 can be resisted against the first chassis 121
With in support 110 this another on.
Second adjusting screw rod 132 can extend along the longitudinal direction, and the second adjusting screw rod 132 can be located at the second chassis 122
On one in support 110, the second adjusting screw rod 132 can pass through another in the second chassis 122 and support 110.The
Five adjusting nuts 145 can be set on the second adjusting screw rod 132, and the 5th adjusting nut 145 can be resisted against the second chassis 122
With in support 110 this another on.
It is possible thereby to by rotating the first adjusting nut 141, to adjust the first chassis 121 with support 110 in above-below direction
On distance, and can be by rotating the 5th adjusting nut 145, to adjust the second chassis 122 with support 110 in fore-and-aft direction
On distance, so as to so that back side pad frock 10 can be used in the box part 80 of various height and width.
As shown in Fig. 2 in another embodiment of the present invention, back side pad frock 10 further comprises the first regulation spiral shell
Bar 131, the second adjusting screw rod 132 and the adjusting nut 148 of the first adjusting nut 141 to eight.
First adjusting screw rod 131 can be with vertically extending, and the first adjusting screw rod 131 can pass through the first chassis 121
With support 110.Each in the adjusting nut 144 of first adjusting nut 141 to the 4th can be set in the first adjusting screw rod 131
On.Wherein, the first chassis 121 can be clamped between the first adjusting nut 141 and the second adjusting nut 142, and support 110 can
To be clamped between the 3rd adjusting nut 143 and the 4th adjusting nut 144.
Second adjusting screw rod 132 can extend along the longitudinal direction, and the second adjusting screw rod 132 can pass through the second chassis 122
With support 110.Each in the adjusting nut 148 of 5th adjusting nut 145 to the 8th can be set in the second adjusting screw rod 132
On.Wherein, the second chassis 122 can be clamped between the 5th adjusting nut 145 and the 6th adjusting nut 146, and support 110 can
To be clamped between the 7th adjusting nut 147 and the 8th adjusting nut 148.
It is possible thereby to by rotating the adjusting nut 148 of the first adjusting nut 141 to eight, to adjust the first chassis 121 and branch
The distance in the vertical direction of frame 110 and the second chassis 122 and the distance of support 110 in the longitudinal direction, so as to so that
Back side pad frock 10 can be used in the box part 80 of various height and width.
As shown in Fig. 2 in some embodiments of the invention, support 110 can include body 111 and for support pad
70 supporting part 112, body 111 can include top plate 113, front side board 114, bottom plate 115 and the back side panel 116 being sequentially connected,
Supporting part 112 can be located on the upper surface of top plate 113.Wherein, body 111 may further include the He of the first supporting plate 117
Second supporting plate 118.The upper end of first supporting plate 117 can be connected with top plate 113, and the lower end of the first supporting plate 117 can be with
Bottom plate 115 is connected, and the front end of the second supporting plate 118 can be connected with front side board 114, and the right-hand member of the second supporting plate 118 can be with
Right plate 116 is connected.
First chassis 121 can be located at the lower section of body 111, and the second chassis 122 can be located at the rear of body 111, the
Each in one chassis 121 and the second chassis 122 can be tabular.
It is suitable to and box part 80 as shown in Fig. 2 can be provided with the example of the present invention, on the first chassis 121
First roller 151 of inner bottom wall face contact, it can be provided with the second chassis 122 and be suitable to what is contacted with the interior rear surface of box part 80
3rd roller 153, the second roller 152 for being suitable to contact with the inner roof wall face of box part 80, front side board can be provided with top plate 113
The 4th roller 154 for being suitable to contact with the interior front face of box part 80 can be provided with 114.It is possible thereby to the back side is set to pad frock
10 can more easily, easily drive the movement of pad 70.
Preferably, the second roller 152 on along the upper edge that can be located at supporting part 112 top.It is possible thereby to make to be located at
Pad 70 on supporting part 112 contacts with the inner roof wall face of box part 80, you can so that the pad 70 being located on supporting part 112 with
The rear-face contact of first workpiece 20 and second workpiece 30.
As shown in Fig. 2 in the specific example of the present invention, supporting part 112 can include the first vertical plate 1121, the
Two vertical plates 1122 and the level board 1123 for support pad 70.First vertical plate 1121 and the second vertical plate 1122 can edges
Fore-and-aft direction is located on the upper surface of top plate 113 at interval, and level board 1123 can be located at the first vertical plate 1121 and second
On vertical plate 1122.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the invention, " multiple " are meant that at least two, such as two, three
It is individual etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect or can communicate each other；Can be joined directly together, can also be indirectly connected by intermediary, can be with
It is connection or the interaction relationship of two elements of two element internals, is limited unless otherwise clear and definite.For this area
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the different embodiments or example and the feature of different embodiments or example described in this specification
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (13)
1. a kind of welding method, it is characterised in that comprise the following steps：
The first workpiece and second workpiece to be welded are positioned, surface to be welded is in horizontal welding position；
Pad is provided to the back side of first workpiece and the surface to be welded of the second workpiece；
Preposition thermal source and rearmounted thermal source are provided, to form weld seam in the surface to be welded of first workpiece and the second workpiece,
The energy density of the preposition thermal source be more than the rearmounted thermal source energy density, wherein it is described pad with the preposition thermal source and
The rearmounted thermal source is relative, and the pad moves with the preposition thermal source and the rearmounted thermal source to identical direction.
2. welding method according to claim 1, it is characterised in that
Angle between the center line of the center line of the preposition thermal source and the rearmounted thermal source is with the electricity of the preposition thermal source
Flow at least one increase in the electric current with the rearmounted thermal source and reduce,
Electric current and the rearmounted thermal source of the centre distance of the preposition thermal source and the rearmounted thermal source with the preposition thermal source
Electric current at least one increase and increase,
The electric current of the preposition thermal source is with the vertical range of the preposition thermal source and first workpiece and the second workpiece
Reduction and reduce, each in the voltage of the electric current of the rearmounted thermal source and the rearmounted thermal source is with the rearmounted thermal source
Reduction with first workpiece and the vertical range of the second workpiece and reduce, speed of welding with the rearmounted thermal source with
The vertical range and the preposition thermal source of first workpiece and the second workpiece and first workpiece and described second
The reduction of the vertical range of workpiece and increase.
3. welding method according to claim 1, it is characterised in that
Speed of welding increases with least one increase in the electric current of the preposition thermal source and the electric current of the rearmounted thermal source
Greatly,
It is provided with magnetic field between the preposition thermal source and the rearmounted thermal source, the electric current of the preposition thermal source, the rearmounted thermal source
Electric current, the voltage of the rearmounted thermal source, the rearmounted thermal source protective gas flow, plasma gas flow and the magnetic field
Intensity in each with least one increase in the thickness of first workpiece and the thickness of the second workpiece
And increase.
4. according to the welding method any one of claim 1-3, it is characterised in that the center line of the preposition thermal source with
Angle between the center line of the rearmounted thermal source is more than 0 degree and less than or equal to 45 degree, it is preferable that the angle is more than or equal to 15
Spend and less than or equal to 25 degree.
5. according to the welding method any one of claim 1-3, it is characterised in that the preposition thermal source and described rearmounted
The centre distance of thermal source is 5 millimeters -10 millimeters, it is preferable that the centre distance of the preposition thermal source and the rearmounted thermal source is 7.5
Millimeter.
6. according to the welding method any one of claim 1-3, it is characterised in that
The preposition thermal source is 5 millimeters -10 millimeters with the vertical range of first workpiece and the second workpiece, described rearmounted
Thermal source is 5 millimeters -10 millimeters with the vertical range of first workpiece and the second workpiece,
Preferably, the preposition thermal source and the vertical range of first workpiece and the second workpiece are 7.5 millimeters, after described
It is 7.5 millimeters that thermal source, which is put, with the vertical range of first workpiece and the second workpiece.
7. according to the welding method any one of claim 1-3, it is characterised in that the preposition thermal source and described rearmounted
Thermal source acts on Weld pipe mill, and the active area of the preposition thermal source is less than the active area of the rearmounted thermal source, before described
It is electron beam, laser beam or beam-plasma to put thermal source, and the rearmounted thermal source is electric arc, and the protective gas of the rearmounted thermal source is selected from
At least one of argon gas, rich argon-mixed, carbon dioxide, nitrogen and helium, the electric current of the preposition thermal source is 60 peaces
- 220 amperes of training, the electric current of the rearmounted thermal source is 280 amperes -440 amperes, and the voltage of the rearmounted thermal source is 16 volt -34
Volt, the flow of the protective gas of the rearmounted thermal source is 10 liters -25 liters/min；
Preferably, the electric current of the preposition thermal source is 130 amperes -150 amperes, the electric current of the rearmounted thermal source for 350 amperes -
370 amperes, the voltage of the rearmounted thermal source is 24 volts -26 volts, and the flow of the protective gas of the rearmounted thermal source is 17.5
Liter/min；
Preferably, the preposition thermal source is beam-plasma, the plasma gas flow of the preposition thermal source for 7 liters/min -8 liters/
Minute.
8. according to the welding method any one of claim 1-3, it is characterised in that speed of welding is 600 millimeter -1800
Mm/min, it is preferable that the speed of welding is 1100 millimeter of -1200 mm/min.
9. according to the welding method any one of claim 1-3, it is characterised in that first workpiece and described second
The gap of workpiece is less than or equal to 2 millimeters, it is preferable that the gap of first workpiece and the second workpiece be equal to 0 millimeter so as to
First workpiece contacts with the second workpiece.
10. according to the welding method any one of claim 1-3, it is characterised in that utilize plasma cut mode system
First workpiece and the second workpiece are made, there is I shape grooves between first workpiece and the second workpiece.
11. a kind of welding equipment for being used to implement the welding method according to any one of claim 1-10, its feature exist
In, including：
For providing the preposition thermal source of heat and rearmounted thermal source to the first workpiece and second workpiece；And
The back side pads frock, and the back side pad frock includes：
Support for support pad；
First chassis, first chassis are movably arranged on the support in the first direction；With
Second chassis, second chassis are movably arranged on the support in a second direction, the second direction perpendicular to
The first direction.
12. welding equipment according to claim 11, it is characterised in that further comprise：
The first adjusting screw rod extended along the first direction, first adjusting screw rod pass through first chassis and the branch
Frame；
First adjusting nut to the 4th adjusting nut, each set in first adjusting nut to the 4th adjusting nut
First adjusting screw rod is located at, wherein first chassis is clamped in first adjusting nut and the described second regulation spiral shell
Between mother, the Part I of the support is clamped between the 3rd adjusting nut and the 4th adjusting nut；
The second adjusting screw rod extended along the second direction, second adjusting screw rod pass through second chassis and the branch
Frame；With
5th adjusting nut to the 8th adjusting nut, each set in the 5th adjusting nut to the 8th adjusting nut
Second adjusting screw rod is located at, wherein second chassis is clamped in the 5th adjusting nut and the described 6th regulation spiral shell
Between mother, the Part II of the support is clamped between the 7th adjusting nut and the 8th adjusting nut.
13. welding equipment according to claim 11, it is characterised in that first chassis, which is provided with, to be suitable to and box part
The first internal face contact the first roller, second chassis be provided be suitable to contacted with the 3rd internal face of the box part
The 3rd roller, the support includes body and the supporting part for support pad, and the supporting part is set on the body, institute
State body and be provided with and be suitable to the second roller contacted with the second internal face of the box part and the with the box part the 4th
4th roller of internal face contact, wherein second internal face and first internal face are relative in said first direction,
4th internal face and the 3rd internal face are relative in this second direction.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710507323.3A CN107570899A (en) | 2017-06-28 | 2017-06-28 | Welding method and the welding equipment for implementing the welding method |
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|---|---|---|---|
| CN201710507323.3A CN107570899A (en) | 2017-06-28 | 2017-06-28 | Welding method and the welding equipment for implementing the welding method |
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| CN112222716A (en) * | 2020-09-11 | 2021-01-15 | 中联重科股份有限公司 | Welding pad device and welding pad system |
| CN112475547A (en) * | 2020-10-29 | 2021-03-12 | 烟台大学 | Space compensation type material combining device |
| CN114346500A (en) * | 2021-11-30 | 2022-04-15 | 中联重科股份有限公司 | Automatic welding method and controller |
| CN116921817A (en) * | 2023-09-15 | 2023-10-24 | 中建安装集团有限公司 | Automatic TIG welding arc concentration on-line monitoring and intelligent early warning method |
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| CN112222716A (en) * | 2020-09-11 | 2021-01-15 | 中联重科股份有限公司 | Welding pad device and welding pad system |
| CN112222716B (en) * | 2020-09-11 | 2021-11-19 | 中联重科股份有限公司 | Welding pad device and welding pad system |
| CN112475547A (en) * | 2020-10-29 | 2021-03-12 | 烟台大学 | Space compensation type material combining device |
| CN112475547B (en) * | 2020-10-29 | 2022-01-07 | 烟台大学 | Space compensation type material combining device |
| CN114346500A (en) * | 2021-11-30 | 2022-04-15 | 中联重科股份有限公司 | Automatic welding method and controller |
| CN116921817A (en) * | 2023-09-15 | 2023-10-24 | 中建安装集团有限公司 | Automatic TIG welding arc concentration on-line monitoring and intelligent early warning method |
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