CN107755883A - Welding method - Google Patents
Welding method Download PDFInfo
- Publication number
- CN107755883A CN107755883A CN201711086687.5A CN201711086687A CN107755883A CN 107755883 A CN107755883 A CN 107755883A CN 201711086687 A CN201711086687 A CN 201711086687A CN 107755883 A CN107755883 A CN 107755883A
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- Prior art keywords
- attachment structure
- welding
- weldment
- shaped attachment
- shaped
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
- B23K26/24—Seam welding
- B23K26/242—Fillet welding, i.e. involving a weld of substantially triangular cross section joining two parts
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention provides a kind of welding method, including：The first inserting groove is opened up on the first weldment, the second inserting groove is opened up on the second weldment, by the first inserting groove and the contraposition grafting of the second inserting groove, two the first T-shaped attachment structures are formed between the cell wall of the both sides of first inserting groove and two plate faces of the second weldment, the bottom land of two the second T-shaped attachment structures of formation between the cell wall of the both sides of second inserting groove and two plate faces of the first weldment, the bottom land of the first inserting groove and the second inserting groove abuts abutting and forms section attachment structure；The first T-shaped attachment structure, section attachment structure and the second T-shaped attachment structure are welded successively, wherein single the first T-shaped attachment structure and the second T-shaped attachment structure is welded using single face welding and double face shaping technology.The welding method of the present invention, each T-shaped bindiny mechanism is welded using single face welding and double face shaping technology, and the commissure of side, which is advanced, welds, and the commissure of opposite side also welding fabrication, simplifies welding procedure.
Description
Technical field
The present invention relates to mechanical manufacturing field, in particular to a kind of welding method.
Background technology
Welding is the connection means commonly used in industrial production, including grafting weld technology.Compared to butt welding and angle
Weldering, grafting weld have the advantages that structural stability is high, rigidity is good, and be particularly suitable for use in heavy duty, the engineering machinery of high load capacity.
When being welded to grafting joint, it is desirable to which T connector and plug-in position section full penetration, this exists certain difficult
Degree.If weld seam is wide, position while welding intensity can be caused insufficient.Have in the prior art using double plumb joints the two of T connector
The mode that side is welded simultaneously, but this welding manner complex process is, it is necessary to supporting soldering appliance, and the operation water to personnel
It is flat also to have higher requirements.
The content of the invention
It is a primary object of the present invention to provide one kind, to solve grafting Joint Welding complexity of the prior art
Problem.
To achieve these goals, the invention provides a kind of welding method, including：First is opened up on the first weldment
Inserting groove, the second inserting groove is opened up on the second weldment, the first inserting groove and the second inserting groove are aligned into grafting, the first grafting
Two the first T-shaped attachment structures are formed between the cell wall of the both sides of groove and two plate faces of the second weldment, the second inserting groove
Two the second T-shaped attachment structures, the bottom land of the first inserting groove are formed between the cell wall of both sides and two plate faces of the first weldment
Abutting, which is abutted, with the bottom land of the second inserting groove forms section attachment structure；The first T-shaped attachment structure, section connection knot are welded successively
Structure and the second T-shaped attachment structure, wherein single the first T-shaped attachment structure and the second T-shaped attachment structure uses single face welding and double face
Forming technique is welded.
Further, welding method also includes being welded using plumb joint, and the direction of motion of plumb joint includes edge from the
The direction of advance of one T-shaped attachment structure to the second T-shaped attachment structure, plumb joint are T-shaped in the first T-shaped attachment structure of welding and second
Translational speed during attachment structure in a forward direction is more than plumb joint in face of weld attachment structure in a forward direction
Translational speed.
Further, welding method also includes welding to the first T-shaped attachment structure, section attachment structure using laser scanning
Welded with the second T-shaped attachment structure.
Further, the laser beam for welding is from the first T-shaped attachment structure to the direction of the second T-shaped attachment structure
Advance along zigzag route.
Further, laser beam along zigzag route advance when, perpendicular to the first T-shaped attachment structure to the second T-shaped connection
The span of reciprocating frequency on the direction of structure is 150Hz to 250Hz.
Further, laser beam along zigzag route advance when, perpendicular to the first T-shaped attachment structure to the second T-shaped connection
The span of reciprocating distance on the direction of structure is 0 to 5mm.
Further, when welding the first T-shaped attachment structure, laser beam is oblique with respect to the plate face of the second weldment
Angle between the plate face of state, laser beam and the second weldment is less than the angle between laser beam and the plate face of the first weldment.
Further, when welding the second T-shaped attachment structure, laser beam is oblique with respect to the plate face of the first weldment
Angle between the plate face of state, laser beam and the first weldment is less than the angle between laser beam and the plate face of the second weldment.
Further, in face of weld attachment structure, laser beam is in the first T-shaped attachment structure to the second T-shaped connection knot
The scheduled time is stopped on the direction of structure.
Further, in face of weld attachment structure, laser beam is T-shaped to second perpendicular to the first T-shaped attachment structure
Moved back and forth on the direction of attachment structure, the section of the path covering section attachment structure of laser beam.
The welding method of the present invention belongs to grafting weld, after the first weldment and the second weldment grafting, the first weldering
Two T-shaped companies are formed between plate body on rear side of the plate body of the first inserting groove both sides and the second inserting groove of the second weldment of fitting
Binding structure, between the plate body on rear side of the plate body of the second inserting groove both sides and the first inserting groove of the first weldment of the second weldment
Two T-shaped attachment structures are formed, each T-shaped bindiny mechanism is welded using single face welding and double face shaping technology, is so only needed
Want single plumb joint to be advanced in the commissure of the side of T-shaped attachment structure welding, the commissure of opposite side also can welding fabrication,
So as to simplify welding procedure, operating efficiency is improved.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its illustrate be used for explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 shows the structural representation of the workpiece welded using the welding method of the present invention；
Fig. 2 shows the structural representation before the grafting of the workpiece welded using the welding method of the present invention；And
Fig. 3 shows the structural representation after the grafting of the workpiece welded using the welding method of the present invention.
Reference in way：10th, the first weldment；11st, the first inserting groove；20th, the second weldment；21st, the second inserting groove；
100th, the first T-shaped attachment structure；200th, the second T-shaped attachment structure；300th, section attachment structure.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
It is noted that described further below is all exemplary, it is intended to provides further instruction to the application.It is unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
For the ease of description, space relative terms can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.For example, if the device in accompanying drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made to the relative description in space used herein above.
The invention provides a kind of welding method, including：The first inserting groove 11 is opened up on the first weldment 10, second
The second inserting groove 21 is opened up on weldment 20, the first inserting groove 11 and the second inserting groove 21 are aligned into grafting, the first inserting groove 11
The cell wall of both sides and two plate faces of the second weldment 20 between formed two the first T-shaped attachment structures 100, the second inserting groove
Two the second T-shaped attachment structures 200, the first grafting are formed between the cell wall of 21 both sides and two plate faces of the first weldment 10
The bottom land of the bottom land of groove 11 and the second inserting groove 21 abuts abutting and forms section attachment structure 300；The first T-shaped connection is welded successively
Structure 100,300 and second T-shaped attachment structure 200 of section attachment structure, wherein the first single T-shaped attachment structure 100 and
Two T-shaped attachment structures 200 are welded using single face welding and double face shaping technology.
The welding method of the present invention belongs to grafting weld, after the first weldment 10 and the grafting of the second weldment 20, the
Between the plate body of the plate body of the both sides of the first inserting groove 11 of one weldment 10 and the rear side of the second inserting groove 21 of the second weldment 20
Form two T-shaped attachment structures, the plate body of the both sides of the second inserting groove 21 of the second weldment 20 and the first of the first weldment 10
Two T-shaped attachment structures are formed between the plate body of the rear side of inserting groove 11, each T-shaped bindiny mechanism uses single face welding and double face shaping
Technology is welded, and is so only needed single plumb joint to be advanced in the commissure of the side of T-shaped attachment structure and is welded, opposite side
Commissure also can welding fabrication, so as to simplify welding procedure, improve operating efficiency.
Preferably, welding method also includes being welded using plumb joint, and the direction of motion of plumb joint includes edge from the first T
The direction of advance of the T-shaped attachment structure 200 of type attachment structure 100 to the second, plumb joint are welding the first T-shaped He of attachment structure 100
Translational speed during the second T-shaped attachment structure 200 in a forward direction be more than plumb joint in face of weld attachment structure 300
Translational speed in direction of advance.
Preferably, welding method is also included using laser scanning welding to the first T-shaped attachment structure 100, section connection knot
300 and second T-shaped attachment structure 200 of structure is welded.
Laser scanning welding is a kind of welding manner using laser beam as thermal source, belongs to fusion weld, and with height
Precision, it is non-contact the advantages that.
Preferably, the laser beam for welding is from the side of the first T-shaped T-shaped attachment structure 200 of attachment structure 100 to the second
Advance upwards along zigzag route.
Zigzag circuit includes the advance along the length direction of weld seam, i.e. welding direction in Fig. 1 shown in arrow；Zigzag line
Road also includes the reciprocating motion along the length direction perpendicular to weld seam, i.e., the motion on scanning direction, laser beam is in scanning direction
Upper covering weld seam, i.e. the sweep length of laser beam is greater than or the width equal to weld seam.
Preferably, laser beam along zigzag route advance when, perpendicular to the first T-shaped T-shaped company of attachment structure 100 to the second
The span of reciprocating frequency on the direction of binding structure 200 is 150Hz to 250Hz.
I.e. the scan frequency of laser beam is 150Hz to 250Hz.More preferably 200Hz.In addition, scan frequency can be with
Material according to the thickness of weldment, the width of weld seam and weldment etc. specifically adjusts.
Preferably, laser beam along zigzag route advance when, perpendicular to the first T-shaped T-shaped company of attachment structure 100 to the second
The span of reciprocating distance on the direction of binding structure 200 is 0 to 5mm.
I.e. the span of the amplitude of oscillation width of laser beam is 0 to 5mm.More preferably 0 to 2mm.
Preferably, when welding the first T-shaped attachment structure 100, laser beam is inclined with respect to the plate face of the second weldment 20
Angle between the plate face of state, laser beam and the second weldment 20 is less than between laser beam and the plate face of the first weldment 10
Angle.
Preferably, when welding the second T-shaped attachment structure 200, laser beam is inclined with respect to the plate face of the first weldment 10
Angle between the plate face of state, laser beam and the first weldment 10 is less than between laser beam and the plate face of the second weldment 20
Angle.
So oblique laser beam can cause the incident ray of laser beam closer to the weld seam of the opposite side of T-shaped attachment structure,
Improve welding quality.
Preferably, in face of weld attachment structure 300, laser beam is in the first T-shaped T-shaped company of attachment structure 100 to the second
The scheduled time is stopped on the direction of binding structure 200.
Because the section of section attachment structure 300 needs overall penetration, and the section thickness of section attachment structure 300 is big
In the throat depth of T-shaped attachment structure, therefore laser beam will stay for some time in face of weld attachment structure 300, with shape
Into stable welding structure.
Preferably, in face of weld attachment structure 300, laser beam is perpendicular to the first T-shaped attachment structure 100 to the second
Moved back and forth on the direction of T-shaped attachment structure 200, the section of the path covering section attachment structure 300 of laser beam.
As shown in Fig. 2 opening up the first slot on the first weldment 10, the second slot is opened up on the second weldment 20, afterwards
First slot and the contraposition insertion of the second slot, form cross attachment structure as shown in Figure 3.
Afterwards as shown in figure 1, according to said welding method successively to the T-shaped attachment structure on the first weldment 10, section
T-shaped attachment structure on the weldment 20 of attachment structure 300 and second is welded, wherein from T-shaped on the first weldment 10
During T-shaped attachment structure in attachment structure to the second weldment 20, laser beam is from relatively close first weldment 10
Plate face is rotated to the plate face of relatively close second weldment 20, and the arrow of the sensing weld seam in accompanying drawing 1 represents the incidence of laser beam
Angle.
The present invention is directed to grafting joint, is welded using laser scanning methodses, and the single welding for realizing overall weld seam is double
Face is molded, and T-shaped weld seam and plug-in position section part is molded well, and weld seam is good to the tolerance in gap, and post welding distortion is smaller,
Welding efficiency is high, meets the welding requirements of grafting joint.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so use
Data can exchange in the appropriate case, so that embodiments of the present invention described herein for example can be with except herein
Order beyond those of diagram or description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, product or equipment not
Be necessarily limited to those steps or the unit clearly listed, but may include not list clearly or for these processes, side
The intrinsic other steps of method, product or equipment or unit.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. welding method, it is characterised in that including：The first inserting groove (11) is opened up on the first weldment (10), the second inserting groove is opened up on the second weldment (20) (21) first inserting groove (11) and second inserting groove (21), are aligned into grafting, the two of first inserting groove (11) Form two the first T-shaped attachment structures (100) between the cell wall of side and two plate faces of second weldment (20), described the Two the second T-shaped connections are formed between the cell wall of the both sides of two inserting grooves (21) and two plate faces of first weldment (10) Structure (200), the bottom land of first inserting groove (11) and the bottom land of second inserting groove (21), which abut, to be formed section and connects Structure (300)；The described first T-shaped attachment structure (100), the section attachment structure (300) and the second T-shaped connection knot are welded successively Structure (200), wherein the described first single T-shaped attachment structure (100) and the second T-shaped attachment structure (200) use one side Weldering double-faced forming technology is welded.
- 2. welding method according to claim 1, it is characterised in that the welding method also includes carrying out using plumb joint Welding, the direction of motion of the plumb joint include tying along from the described first T-shaped attachment structure (100) to the described second T-shaped connection The direction of advance of structure (200), the plumb joint are welding the first T-shaped attachment structure (100) and the second T-shaped connection knot Translational speed during structure (200) in the direction of advance is more than the plumb joint and is welding the section attachment structure (300) When translational speed in the direction of advance.
- 3. welding method according to claim 1, it is characterised in that the welding method also includes welding using laser scanning Connect to the described first T-shaped attachment structure (100), the section attachment structure (300) and the second T-shaped attachment structure (200) Welded.
- 4. welding method according to claim 3, it is characterised in that the laser beam for welding is T-shaped from described first Attachment structure (100) is arrived on the direction of the described second T-shaped attachment structure (200) advances along zigzag route.
- 5. welding method according to claim 4, it is characterised in that the laser beam along zigzag route advance when, hang down Directly in the reciprocating frequency on the direction of the described first T-shaped attachment structure (100) to the described second T-shaped attachment structure (200) The span of rate is 150Hz to 250Hz.
- 6. welding method according to claim 4, it is characterised in that the laser beam along zigzag route advance when, hang down Directly in the described first T-shaped attachment structure (100) to the described second T-shaped attachment structure (200) direction on it is reciprocating away from From span be 0 to 5mm.
- 7. welding method according to claim 3, it is characterised in that welding the first T-shaped attachment structure (100) When, the laser beam is inclined with respect to the plate face of the second weldment (20), the laser beam and second weldment (20) the angle between plate face is less than the angle between the laser beam and the plate face of first weldment (10).
- 8. welding method according to claim 3, it is characterised in that welding the second T-shaped attachment structure (200) When, the laser beam is inclined with respect to the plate face of the first weldment (10), the laser beam and first weldment (10) the angle between plate face is less than the angle between the laser beam and the plate face of second weldment (20).
- 9. welding method according to claim 3, it is characterised in that when welding section attachment structure (300), institute State laser beam and stopped on the direction of the described first T-shaped attachment structure (100) to the described second T-shaped attachment structure (200) and made a reservation for Time.
- 10. welding method according to claim 9, it is characterised in that when welding section attachment structure (300), The laser beam is on the direction of the described first T-shaped attachment structure (100) to the described second T-shaped attachment structure (200) Move back and forth, the path of the laser beam covers the section of the section attachment structure (300).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711086687.5A CN107755883A (en) | 2017-11-07 | 2017-11-07 | Welding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711086687.5A CN107755883A (en) | 2017-11-07 | 2017-11-07 | Welding method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107755883A true CN107755883A (en) | 2018-03-06 |
Family
ID=61272684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711086687.5A Pending CN107755883A (en) | 2017-11-07 | 2017-11-07 | Welding method |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111843228A (en) * | 2019-04-24 | 2020-10-30 | 安阳市恒威石化设备有限责任公司 | Application method of plug-in structure in equipment welding |
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|---|---|---|---|---|
| JPH03248770A (en) * | 1990-02-26 | 1991-11-06 | Kawasaki Steel Corp | Method for assembling column material having cruciform sectional part |
| CN101972896A (en) * | 2010-07-29 | 2011-02-16 | 唐山轨道客车有限责任公司 | Manufacturing method of jointed metal plate member |
| CN103785949A (en) * | 2013-11-29 | 2014-05-14 | 嘉兴兴桐电子科技有限公司 | Laser welding device and laser welding method |
| CN104475991A (en) * | 2014-10-25 | 2015-04-01 | 中国二十二冶集团有限公司 | Cross steel reinforced concrete column assembly process |
| CN106964901A (en) * | 2017-04-11 | 2017-07-21 | 中车青岛四方机车车辆股份有限公司 | Complex welding method, draw beam and the rail vehicle with the draw beam of draw beam |
-
2017
- 2017-11-07 CN CN201711086687.5A patent/CN107755883A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03248770A (en) * | 1990-02-26 | 1991-11-06 | Kawasaki Steel Corp | Method for assembling column material having cruciform sectional part |
| CN101972896A (en) * | 2010-07-29 | 2011-02-16 | 唐山轨道客车有限责任公司 | Manufacturing method of jointed metal plate member |
| CN103785949A (en) * | 2013-11-29 | 2014-05-14 | 嘉兴兴桐电子科技有限公司 | Laser welding device and laser welding method |
| CN104475991A (en) * | 2014-10-25 | 2015-04-01 | 中国二十二冶集团有限公司 | Cross steel reinforced concrete column assembly process |
| CN106964901A (en) * | 2017-04-11 | 2017-07-21 | 中车青岛四方机车车辆股份有限公司 | Complex welding method, draw beam and the rail vehicle with the draw beam of draw beam |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111843228A (en) * | 2019-04-24 | 2020-10-30 | 安阳市恒威石化设备有限责任公司 | Application method of plug-in structure in equipment welding |
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Application publication date: 20180306 |