CN107335904B - Bending component welding method - Google Patents
Bending component welding method Download PDFInfo
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- CN107335904B CN107335904B CN201710554896.1A CN201710554896A CN107335904B CN 107335904 B CN107335904 B CN 107335904B CN 201710554896 A CN201710554896 A CN 201710554896A CN 107335904 B CN107335904 B CN 107335904B
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- welding
- submerged arc
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- bending component
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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
- B23K9/00—Arc welding or cutting
- B23K9/18—Submerged-arc welding
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
Abstract
The invention discloses a kind of bending component welding methods, which comprises installs directive wheel additional in the side of submerged arc welding carriage, and the submerged arc welding carriage after installation directive wheel is carried out spot welding connection with magnetic-type trolley；Bottoming is carried out to the bending component using the first default welding parameter and filling is welded；Cover welding is carried out to the bending component for having carried out bottoming and filling welding with magnetic-type trolley using the submerged arc welding carriage after progress spot welding connection, so that the appearance for improving welding efficiency and guarantee cap weld forms.
Description
Technical field
The present invention relates to welding technology field more particularly to a kind of bending component welding methods.
Background technique
Due to the design feature of bending component, traditional bending component main body weld seam will use the gas shield welding side CO2 when welding
Method to bending component carry out bottoming, filling, when bending component without the gradient or it is in easy flights in 4 ° when can use submerged arc soldering method
Capping must use gas shielded welding method capping when the gradient is greater than 4 °, but using gas shielded welding method to carry out capping can to weld
It connects efficiency to be lower, and is difficult to ensure the appearance molding of cap weld.
Therefore, gas must be used using gas shielded welding method capping when the gradient is greater than 4 ° by existing in the prior art
Shielded welding method, which carries out capping, to make welding efficiency be lower, and is difficult to ensure the technical issues of appearance of cap weld forms.
Summary of the invention
It is a primary object of the present invention to propose a kind of bending component welding method, it is intended to solve existing in the prior art
Gas shielded welding method capping must be used when the gradient is greater than 4 °, but welding efficiency can be made by using gas shielded welding method to carry out capping
The technical issues of being lower, and being difficult to ensure the appearance molding of cap weld.
To achieve the above object, the present invention provides a kind of bending component welding method, which comprises
Submerged arc welding carriage side install additional directive wheel, and by install additional directive wheel after submerged arc welding carriage and magnetic-type trolley
Carry out spot welding connection；
Bottoming is carried out to the bending component using the first default welding parameter and filling is welded；
Using carry out spot welding connection after submerged arc welding carriage and magnetic-type trolley to carried out bottoming and fill weld it is curved
It turns round component and carries out cover welding.
Optionally, the side in submerged arc welding carriage installs directive wheel additional and specifically includes:
A cross bar is installed respectively at the front end baffle of the submerged arc welding carriage and at rear end-stopping plate, in each cross bar
One end installs a round steel respectively, installs a directive wheel below each round steel.
Optionally, it is described by install additional directive wheel after submerged arc welding carriage and magnetic-type trolley carry out spot welding connection the step of it
Afterwards further include:
The directive wheel of the submerged arc welding carriage and the directive wheel of the magnetic-type trolley are adjusted, so that the submerged arc welding carriage
Directive wheel and the magnetic-type trolley directive wheel point-blank.
Optionally, described using carrying out submerged arc welding carriage and magnetic-type trolley after spot welding connection to having carried out bottoming and filled out
Fill welding bending component carry out cover welding the step of include:
The speed of the speed of the submerged arc welding carriage and the magnetic-type trolley is adjusted to identical speed, by described
Submerged arc welding carriage and magnetic-type trolley after carrying out spot welding connection are according to the second default welding parameter to the of the bending component
Two welding beads carry out cover welding；
By it is described progress spot welding connection after submerged arc welding carriage and magnetic-type trolley it is pre- according to descending soldering method and third
If welding parameter carries out cover welding to the first welding bead and third welding bead of the bending component.
Optionally, the described second default welding parameter specifically:
Second welding current is 600~650A, and the second weldingvoltage is 30~32V, and the second speed of welding is 25~35cm/
min。
Optionally, the third presets welding parameter specifically:
Third welding current is 620~650A, and third weldingvoltage is 30~32V, and third speed of welding is 30~40cm/
min。
Optionally, the method also includes:
After the completion of cover welding, butt welding stitches interface and carries out grinding process.
Optionally, the concrete methods of realizing of the third speed of welding includes:
The walking switch for closing the submerged arc welding carriage, adjusts the speed of travel of the magnetic-type trolley, so as to the magnetic
Suction trolley drives the submerged arc welding carriage to walk, and the speed of travel is maintained at the third speed of welding.
Optionally, described the step of bottoming and filling welding are carried out to the bending component using the first default welding parameter
Include:
Two fillets in normal shear of the bending component are welded, until the 1/3 of the weld penetration of two fillets in normal shear；
Overturn the bending component, weld two reverse side weld seams of the bending component, until weld seam fill to it is described
The surface of bending component flushes；
The bending component is overturn, two fillets in normal shear are filled to the surface of the bending component and are flushed.
Optionally, the described first default welding parameter specifically:
First welding current is 200~220A, and the first weldingvoltage is 22~26V, and the first speed of welding is 25~35cm/
min。
A kind of bending component welding method proposed by the present invention installs directive wheel additional in the side of submerged arc welding carriage, and will add
Submerged arc welding carriage and magnetic-type trolley after filling directive wheel carry out spot welding connection, using the first default welding parameter to the bending
Component carries out bottoming and filling welding, using carrying out the submerged arc welding carriage after spot welding connection and magnetic-type trolley to having carried out bottoming
Cover welding is carried out with the bending component of filling welding.Compared with prior art, after directive wheel being installed additional in the embodiment of the present invention
Submerged arc welding carriage and magnetic-type trolley carry out spot welding connection, using carry out spot welding connection after submerged arc welding carriage with it is magnetic-type small
Vehicle can carry out cosmetic welding to the bending component for having carried out bottoming and filling welding using submerged arc soldering method when the gradient is greater than 4 °
Connect, carry out capping without gas shielded welding method, to improve welding efficiency, and can guarantee the appearance of cap weld at
Type.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those skilled in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram of a kind of submerged arc welding carriage and magnetic-type trolley；
Fig. 2 is a kind of flow diagram for bending component welding method that first embodiment of the invention provides；
Fig. 3 is a kind of flow diagram for bending component welding method that second embodiment of the invention provides；
Fig. 4 is the flow diagram of the refinement step of the step S304 in second embodiment of the invention；
Fig. 5 is the structural schematic diagram of the welding bead of bending component；
Fig. 6 is the flow diagram of the refinement step of the step S102 in first embodiment of the invention；
Fig. 7 is the sectional view of bending component；
Fig. 8 is the signal of the side wall of the directive wheel of submerged arc welding carriage and the directive wheel abutting bending component of magnetic-type trolley
Figure.
Specific embodiment
In order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, below in conjunction with the present invention
Attached drawing in embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described reality
Applying example is only a part of the embodiment of the present invention, and not all embodiments.Based on the embodiments of the present invention, those skilled in the art
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In order to illustrate technical solution of the present invention, the following is a description of specific embodiments.
In order to better understand the present invention, the structural representation of submerged arc welding carriage shown in FIG. 1 Yu magnetic-type trolley is please referred to
Figure, including magnetic-type trolley, submerged arc welding carriage, cross bar, round steel, directive wheel.
Referring to Fig. 2, Fig. 2 is a kind of process signal for bending component welding method that first embodiment of the invention provides
Figure, comprising:
Step S201, submerged arc welding carriage side install additional directive wheel, and by install additional directive wheel after submerged arc welding carriage with
Magnetic-type trolley carries out spot welding connection；
In embodiments of the present invention, a cross is installed respectively at the front end baffle of submerged arc welding carriage and at rear end-stopping plate
Bar installs a round steel in the one end of each cross bar respectively, installs a directive wheel below each round steel.
Step S202, bottoming is carried out to bending component using the first default welding parameter and filling is welded；
In embodiments of the present invention, the first default welding parameter specifically: the first welding current be 200~220A, first
Weldingvoltage is 22~26V, and the first speed of welding is 25~35cm/min.
Step S203, using carrying out the submerged arc welding carriage after spot welding connection and magnetic-type trolley to having carried out bottoming and filling
The bending component of welding carries out cover welding.
In embodiments of the present invention, submerged arc welding carriage side install additional directive wheel, and by install additional directive wheel after submerged arc
It welds trolley and magnetic-type trolley carries out spot welding connection, bottoming is carried out to bending component using the first default welding parameter and filling is welded
It connects, using the submerged arc welding carriage after progress spot welding connection with magnetic-type trolley to the bending component for having carried out bottoming and filling welding
Carry out cover welding.Compared with prior art, in the embodiment of the present invention by install additional directive wheel after submerged arc welding carriage with it is magnetic-type
Trolley carries out spot welding connection, can be greater than 4 ° in the gradient with magnetic-type trolley using the submerged arc welding carriage after progress spot welding connection
When, cover welding is carried out to the bending component for having carried out bottoming and filling welding using submerged arc soldering method, without gas shield welding
Method carries out capping, to improve welding efficiency, and can guarantee the appearance molding of cap weld.
Referring to Fig. 3, Fig. 3 is a kind of process signal for bending component welding method that second embodiment of the invention provides
Figure, comprising:
Step S301, submerged arc welding carriage side install additional directive wheel, and by install additional directive wheel after submerged arc welding carriage with
Magnetic-type trolley carries out spot welding connection；
Step S302, the directive wheel of submerged arc welding carriage and the directive wheel of magnetic-type trolley are adjusted, so that submerged arc welding carriage
The directive wheel of directive wheel and magnetic-type trolley is point-blank.
In embodiments of the present invention, the directive wheel of the directive wheel and magnetic-type trolley that make submerged arc welding carriage is in straight line
On, to the directive wheel of submerged arc welding carriage and the directive wheel of magnetic-type trolley can be made tight when carrying out cover welding
The side wall for pasting bending component avoids sideslip, improves welding quality.
Step S303, bottoming is carried out to bending component using the first default welding parameter and filling is welded；
Step S304, using carrying out the submerged arc welding carriage after spot welding connection and magnetic-type trolley to having carried out bottoming and filling
The bending component of welding carries out cover welding.
In embodiments of the present invention, the step S301 in the embodiment of the present invention, step S303 and step S304 respectively with it is upper
The content of step S201, step S202 and step S203 description in one embodiment are consistent, and details are not described herein again.
In embodiments of the present invention, the submerged arc welding carriage after installation directive wheel is subjected to spot welding connection with magnetic-type trolley,
It can be when the gradient be greater than 4 °, using submerged arc soldering method pair with magnetic-type trolley using the submerged arc welding carriage after progress spot welding connection
The bending component for having carried out bottoming and filling welding carries out cover welding, capping is carried out without gas shielded welding method, to mention
High welding efficiency, and can guarantee the appearance molding of cap weld.
Referring to Fig. 4, the flow diagram of the refinement step for the step S304 in second embodiment of the invention, comprising:
Step S401, the speed of the speed of submerged arc welding carriage and magnetic-type trolley is adjusted to identical speed, by into
Submerged arc welding carriage and magnetic-type trolley after row spot welding connection are according to the second default welding parameter to the second welding bead of bending component
Carry out cover welding；
In embodiments of the present invention, the second default welding parameter specifically: the second welding current be 600~650A, second
Weldingvoltage is 30~32V, and the second speed of welding is 25~35cm/min.
Step S402, by carrying out the submerged arc welding carriage after spot welding connection and magnetic-type trolley according to descending soldering method and the
Three default welding parameters carry out cover welding to the first welding bead and third welding bead of bending component.
In embodiments of the present invention, third presets welding parameter specifically: third welding current is 620~650A, third
Weldingvoltage is 30~32V, and third speed of welding is 30~40cm/min.
Wherein, the concrete methods of realizing of third speed of welding includes:
The walking switch for closing submerged arc welding carriage, adjusts the speed of travel of magnetic-type trolley, so as to the drive of magnetic-type trolley
Submerged arc welding carriage is walked, and the speed of travel is maintained at third speed of welding.
Wherein, the diameter of the welding wire required when carrying out cover welding be 5.0mm, welding wire model H10Mn2, solder flux
Model SJ101.
In embodiments of the present invention, the specific implementation process of step S401 and step S402 in order to facilitate understanding, please refers to
Fig. 5, Fig. 5 are the structural schematic diagram of the welding bead of bending component, comprising: the first welding bead, the second welding bead and third welding bead.
In embodiments of the present invention, the first welding bead and third welding bead are all band gradient welding bead, and the second welding bead is gentle welding bead.
Magnetic-type trolley and submerged arc welding carriage can individually adjust speed of welding, because the speed of travel of magnetic-type trolley is not by bending
The influence of the welding bead gradient of component, and the speed of travel of submerged arc welding carriage is influenced by the welding bead gradient of bending component, so,
When carrying out downward welding in the inclined position cover welding for the first welding bead with a slope and third welding bead, the speed of travel of submerged arc welding carriage is greater than
The speed of welding of actual set, therefore need to close the walking switch of submerged arc welding carriage, the speed of travel of magnetic-type trolley is adjusted, with
Just magnetic-type trolley drives submerged arc welding carriage to walk, and the speed of travel is maintained at third speed of welding, thereby may be ensured that
Welding quality.In the second gentle welding bead of welding, the speed of travel of submerged arc welding carriage is equal to speed of welding, so magnetic need to be adjusted
The speed of travel of suction trolley and the speed of travel of submerged arc welding carriage are identical, to guarantee welding quality.
Further, after the completion of cover welding, butt welding stitches interface and carries out grinding process.
In embodiments of the present invention, grinding process is carried out to weld seam interface shown in fig. 5 using sander, so that weld seam
It is smoothened, appearance beautiful appearance.
It should be noted that needing to allow the directive wheel of submerged arc welding carriage and magnetic-type in submerged-arc welding capping welding process
The directive wheel of trolley is close to the side wall of bending component, sideslip in the welding process is avoided, referring to Fig. 8, Fig. 8 shows submerged-arc welding
The directive wheel of the directive wheel of trolley and magnetic-type trolley is close to the schematic diagram of the side wall of bending component.
Referring to Fig. 6, the flow diagram of the refinement step for the step S102 in first embodiment of the invention, comprising:
Step S601, two fillets in normal shear for welding bending component, until the 1/3 of the weld penetration of two fillets in normal shear；
Step S602, overturn bending component, weld two reverse side weld seams of bending component, until weld seam fill to bending
The surface of component flushes；
Step S603, bending component is overturn, two fillets in normal shear are filled to the surface with bending component and are flushed.
In embodiments of the present invention, it needs first to be soldered to main body weld seam and bending component using gas shield welding welding method
Surface flushes, wherein please refers to the sectional view of bending component shown in Fig. 7, Fig. 7 shows two fillets in normal shear and two reverse side
The positional relationship of weld seam, welding deformation, needs using above-mentioned steps S601, step S602 and step S603 to main body in order to prevent
Weld seam carries out bottoming and filling welding, to ensure that welding quality.
In several embodiments provided herein, it should be understood that disclosed device and method can pass through it
Its mode is realized.
It should be noted that for the various method embodiments described above, describing for simplicity, therefore, it is stated as a series of
Combination of actions, but those skilled in the art should understand that, the present invention is not limited by the sequence of acts described because
According to the present invention, certain steps can use other sequences or carry out simultaneously.Secondly, those skilled in the art should also know
It knows, the embodiments described in the specification are all preferred embodiments, and related actions and modules might not all be this hair
Necessary to bright.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiments.
The above are to a kind of description of bending component welding method provided by the present invention, for those skilled in the art
Member, thought according to an embodiment of the present invention, there will be changes in the specific implementation manner and application range, to sum up, this theory
Bright book content should not be construed as limiting the invention.
Claims (7)
1. a kind of bending component welding method, which is characterized in that the described method includes:
Directive wheel is installed additional in the side of submerged arc welding carriage, and the submerged arc welding carriage after installation directive wheel is carried out with magnetic-type trolley
Spot welding connection；
Bottoming is carried out to the bending component using the first default welding parameter and filling is welded；
Using the submerged arc welding carriage after progress spot welding connection with magnetic-type trolley to the bending structure for having carried out bottoming and filling welding
Part carries out cover welding；
The side in submerged arc welding carriage installs directive wheel additional and specifically includes:
A cross bar is installed respectively at the front end baffle of the submerged arc welding carriage and at rear end-stopping plate, in one end of each cross bar
A round steel is installed in portion respectively, installs a directive wheel below each round steel；
After the step of submerged arc welding carriage and magnetic-type trolley after the directive wheel by installation carry out spot welding connection further include:
The directive wheel of the submerged arc welding carriage and the directive wheel of the magnetic-type trolley are adjusted, so that the submerged arc welding carriage is led
Point-blank to the directive wheel of wheel and the magnetic-type trolley；
It is described using carry out spot welding connection after submerged arc welding carriage and magnetic-type trolley to carried out bottoming and fill weld it is curved
Turning round the step of component carries out cover welding includes:
The speed of the speed of the submerged arc welding carriage and the magnetic-type trolley is adjusted to identical speed, the progress is passed through
The second weldering of submerged arc welding carriage and magnetic-type trolley according to the second default welding parameter to the bending component after spot welding connection
Road carries out cover welding；
By the submerged arc welding carriage after the progress spot welding connection with magnetic-type trolley according to descending soldering method and the default weldering of third
It connects parameter and cover welding is carried out to the first welding bead and third welding bead of the bending component.
2. the method according to claim 1, wherein the second default welding parameter specifically:
Second welding current is 600~650A, and the second weldingvoltage is 30~32V, and the second speed of welding is 25~35cm/min.
3. the method according to claim 1, wherein the third presets welding parameter specifically:
Third welding current is 620~650A, and third weldingvoltage is 30~32V, and third speed of welding is 30~40cm/min.
4. according to claim 1 to 3 any one the methods, which is characterized in that the method also includes:
After the completion of cover welding, butt welding stitches interface and carries out grinding process.
5. according to the method described in claim 3, it is characterized in that, the concrete methods of realizing of the third speed of welding includes:
The walking switch for closing the submerged arc welding carriage, adjusts the speed of travel of the magnetic-type trolley, so as to described magnetic-type
Trolley drives the submerged arc welding carriage to walk, and the speed of travel is maintained at the third speed of welding.
6. the method according to claim 1, wherein described utilize the first default welding parameter to the bending structure
Part carries out bottoming and includes: the step of filling welding
Two fillets in normal shear of the bending component are welded, until the 1/3 of the weld penetration of two fillets in normal shear；
Overturn the bending component, weld two reverse side weld seams of the bending component, until weld seam fill to the bending
The surface of component flushes；
The bending component is overturn, two fillets in normal shear are filled to the surface of the bending component and are flushed.
7. the method according to claim 1, wherein the first default welding parameter specifically:
First welding current is 200~220A, and the first weldingvoltage is 22~26V, and the first speed of welding is 25~35cm/min.
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| CN201710554896.1A CN107335904B (en) | 2017-07-10 | 2017-07-10 | Bending component welding method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710554896.1A CN107335904B (en) | 2017-07-10 | 2017-07-10 | Bending component welding method |
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| CN107335904A CN107335904A (en) | 2017-11-10 |
| CN107335904B true CN107335904B (en) | 2019-08-27 |
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| CN111408826A (en) * | 2020-05-08 | 2020-07-14 | 安徽伟宏钢结构集团股份有限公司 | Method for welding high-connection-strength crankle component |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10225769A (en) * | 1997-02-14 | 1998-08-25 | Nippon Steel Weld Prod & Eng Co Ltd | Filler scattering device |
| CN101811217B (en) * | 2009-12-21 | 2012-07-25 | 南通中远船务工程有限公司 | Welding method of arc-shaped welding seam |
| CN201969987U (en) * | 2011-03-23 | 2011-09-14 | 沈阳大学 | Flat fillet submerged arc automatic welding trolley |
| CN202283624U (en) * | 2011-11-07 | 2012-06-27 | 南车眉山车辆有限公司 | Automatic welding device for weld joint of Z-shaped side beam of roof and roof plate of covered wagon |
| CN104060689B (en) * | 2014-04-30 | 2016-06-22 | 浙江东南网架股份有限公司 | A kind of processing method of triangular-section bending component |
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