CN110293278A - It is a kind of to pad and pad auxiliary horizontal position welding technique - Google Patents
It is a kind of to pad and pad auxiliary horizontal position welding technique Download PDFInfo
- Publication number
- CN110293278A CN110293278A CN201910370520.4A CN201910370520A CN110293278A CN 110293278 A CN110293278 A CN 110293278A CN 201910370520 A CN201910370520 A CN 201910370520A CN 110293278 A CN110293278 A CN 110293278A
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- Prior art keywords
- liner
- welding
- spacer block
- groove
- sheet metal
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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
- B23K9/02—Seam welding; Backing means; Inserts
- B23K9/035—Seam welding; Backing means; Inserts with backing means disposed under the seam
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a kind of liner and liner auxiliary horizontal position welding techniques, the liner assists horizontal position welding technique, a liner is pasted on the base material surface on the downside of groove front before welding, live molten bath molten iron on the downside of groove using liner bracketing, force the deposited metal of fusing liner and before solidification forming between existing weld seam, form the welding surroundings that there are bracketing in molten bath two sides, force first of appearance of weld of capping, quality of weld seam molding is improved, is laid the foundation for the forming of subsequent capping, polishing workload is reduced；A kind of liner is proposed simultaneously, this liner includes several spacer blocks along straight-run on a sheet metal, each spacer block is provided with corner cut, which provides certain reinforcement formingspace for first of cap weld, smoothly and neatly provides guarantee for the transition of weld seam toe.The invention is used for welding procedure field.
Description
Technical field
The present invention relates to welding procedure fields, more particularly to a kind of liner and liner auxiliary horizontal position welding technique.
Background technique
Traditionally horizontal position CO2 welding cap face appearance of weld uses free forming control method, in order to overcome deposited metal
It is influenced by gravity tenesmus, worker must use lesser welding current and cracking speed of welding, welding gun in operation
Rifle is transported along welding direction straight line, otherwise deposited metal is easy for dropping, therefore bead thickness and width all very littles, and filling up groove needs
The many road welding beads of plurality of layers are wanted, welding efficiency is low, and appearance of weld is difficult to control.If especially capping when first of welding bead
It is poor to shape, and the subsequent welding bead operation difficulty that is superimposed on it increases, generally also can be with forming variation, and appearance of weld is just very
Difference will increase subsequent many polishings and repair welding work.Welding bead is more, and the welding arcing time is fewer in the unit time, welding effect
Rate is very low, and welding bead can be bigger more the probability for often having defect.
Summary of the invention
The purpose of the present invention is to provide a kind of liners of the forming quality of first of cap weld for improving horizontal position welding capping
And liner auxiliary horizontal position welding technique.
The technical solution used in the present invention is:
A kind of liner, including several spacer blocks, each spacer block is laid on a sheet metal along arranged in a straight line, described
Sheet metal and the back side of each spacer block fit, and the side of the adjacent spacer block contacts with each other, and each spacer block is just
The upper broadside in face is split into corner cut.
It is further used as the improvement of technical solution of the present invention, and the shape of the sheet metal is rectangle, the sheet metal
Width be greater than the height of each spacer block, the length of the sheet metal is greater than the spliced length of each spacer block, each lining
The upper broadside at the back side of cushion block and a long side of sheet metal overlap.
It is further used as the improvement of technical solution of the present invention, and the whole face for the one side that the sheet metal is bonded with spacer block applies
There is double-sided adhesive, each spacer block is fitted and connected by double-sided adhesive and sheet metal.
It is further used as the improvement of technical solution of the present invention, and the front downside of each spacer block is coated with double-sided adhesive, described
It is stamped provisional paster in the surface that sheet metal does not lay the double-sided adhesive in the region of spacer block and the front downside of each spacer block.
It is further used as the improvement of technical solution of the present invention, and the sheet metal is aluminium foil.
It is further used as the improvement of technical solution of the present invention, and each spacer block is ceramic block, each spacer block
Shape is cuboid.
A kind of liner auxiliary horizontal position welding technique, includes the following steps:
S1: in the gap of base material carry out backing welding, and by the backing weld seam that the backing welding is formed fill to gap
Groove face distance is 6~12mm；
S2: the splashing fallen on the base material surface on the downside of the groove is removed；
S3: liner is pasted onto the front downside of the groove；
S4: the weldering that first of cap weld is carried out in groove is formed by between the backing weld seam, groove and liner
It connects；
S5: welding the upper side of several subsequent filler pass to groove in the upper surface of first of cap weld deposition,
Each subsequent filler pass and first of cap weld form step；
S6: carrying out being soldered to for subsequent final pass on the step and fill up groove, completes welding.
It is further used as the improvement of technical solution of the present invention, in the step S3, by end edge pair under the corner cut of the liner
The position of 1~2mm below the lower edge of quasi- groove, and the region for spacer block being laid in the sheet metal of the cushion back
It is pasted on the base material surface of liner lower section.
It is further used as the improvement of technical solution of the present invention, and the welding of first of cap weld is using pendulum in the step S4
Dynamic weldering, swing width are the distance between the backing weld seam and liner, keep angle of welding gun and groove lower surface it is at 45 °~
80 ° of angles and with welding direction at 70 °~80 ° angles.
It is further used as the improvement of technical solution of the present invention, in the step S5 and S6, each subsequent filler pass and
Subsequent final pass, which is all made of, not to be swung straight line horizontal position welding and is filled welding, the outside of each subsequent filler pass with first
The outside of cap weld is retracted 2~3mm, and the outside of each subsequent final pass is more than 2~4mm of sideline of groove face.
It is further used as the improvement of technical solution of the present invention, and the filling of the subsequent final pass subsequent is filled out from step along each
Fill welding bead upper surface start it is bottom-up carry out deposition together, each subsequent filler pass and subsequent final pass
Thickness is consistent with the reinforcement of first of cap weld.
Beneficial effects of the present invention: this liner auxiliary horizontal position welding technique, before welding on the base material surface on the downside of groove front
A liner is pasted, molten bath molten iron on the downside of groove is lived using liner bracketing, the deposited metal of fusing is forced to deposit with before in liner
The solidification forming between weld seam forms the welding surroundings that there are bracketing in molten bath two sides, forces first of appearance of weld of capping, improves weldering
Forming quality is stitched, is laid the foundation for the forming of subsequent capping, polishing workload is reduced.A kind of liner is proposed simultaneously, this liner
Each composition spacer block is laid on same sheet metal, and each spacer block opens up corner cut, which is first of cap weld
Certain reinforcement formingspace is provided, smoothly and neatly provides guarantee for the transition of weld seam toe.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings:
Fig. 1 is the main view of the liner of the embodiment of the present invention；
Fig. 2 is the side view of the liner of the embodiment of the present invention；
Installing schematic diagram when Fig. 3 is the liner applications of the embodiment of the present invention；
Fig. 4 is the soldered schematic diagram of the embodiment of the present invention；
Fig. 5 is the schematic diagram that back root cleaning of the embodiment of the present invention is completed.
Specific embodiment
Referring to Fig.1~Fig. 5, the present invention are a kind of liner, including several spacer blocks 1, and each spacer block 1 is along laying arranged in a straight line
On a sheet metal 2, sheet metal 2 and the back side of each spacer block 1 fit, and the side of adjacent pad block 1 contacts with each other, respectively
The positive upper broadside of spacer block 1 is split into corner cut.
Each composition spacer block 1 of this liner is laid on same sheet metal 2, so that the setting arrangement of spacer block 1 is more
It is convenient to add, and ensure that connection is closer, and forming is not easy to disintegrate, and each spacer block 1 opens up corner cut for piecing together between spacer block 1, should
The deposition of first of cap weld provides certain reinforcement formingspace when corner cut is carries out horizontal position welding, is the transition of weld seam toe
It is smooth to provide guarantee with neat.
As a preferred embodiment of the present invention, the shape of sheet metal 2 is rectangle, and the width of sheet metal 2 is greater than each
The length of the height of spacer block 1, sheet metal 2 is greater than the spliced length of each spacer block 1, the upper width at the back side of each spacer block 1
Side and a long side of sheet metal 2 overlap.
As a preferred embodiment of the present invention, the whole face for the one side that sheet metal 2 is bonded with spacer block 1 is coated with two-sided
Glue, each spacer block 1 are fitted and connected by double-sided adhesive with sheet metal 2.The application of double-sided adhesive not only makes sheet metal 2 and each liner
Stable connection between block 1, and smearing is easy to operate, is beneficial to improve producing efficiency；And liner is not laid on sheet metal 2
Pasting is on base material surface in actual use in the region of block 1, to avoid on solder sputter to base material when welding.
As a preferred embodiment of the present invention, the front downside of each spacer block 1 is coated with double-sided adhesive, and sheet metal 2 does not apply
If provisional paster 3 is stamped on the surface of the double-sided adhesive in the region of spacer block 1 and the front downside of each spacer block 1.This is provisional
Paster 3 is torn in pasting pad, to protect the stickup of double-sided adhesive.Specifically, the double-sided adhesive of each 1 front downside of spacer block applies
Smearing width is 12mm.
As a preferred embodiment of the present invention, sheet metal 2 is aluminium foil.Further, each spacer block 1 is ceramic
Block, the shape of each spacer block 1 are cuboid.Specifically, each spacer block 1 is the cuboid of width 60mm, high 22mm, thickness 7mm, aluminium foil
Shape be long 610mm, width 70mm rectangle, one liner include 10 spacer blocks 1, each spacer block 1 laying when its broadside
It is aligned with the long side of aluminium foil, the flash of first spacer block 1 is bonded with the broadside of aluminium foil and is aligned, and wherein spacer block 1 and aluminium foil are wide
One end of side alignment is head, and one end that aluminium foil stretches out is tail；It is 4mm, thickness in the corner cut height that the upper broadside of spacer block 1 opens up
For 2mm, spliced corner cut extends along the length direction entirely padded.
The present invention also proposes a kind of liner auxiliary horizontal position welding technique, includes the following steps: S1: carrying out bottoming in the gap of base material
Weldering, and the filling of backing weld seam 4 that backing welding is formed extremely is 6~12mm with the groove face in gap distance；S2: removing falls in slope
The splashing on base material surface on the downside of mouthful；S3: liner 5 is pasted onto the front downside of the groove；S4: in backing weld seam 4, slope
The welding that first of cap weld is carried out in groove is formed by between mouth and liner 5；S5: in the upper surface of first of cap weld
Deposition welds the upper side of several subsequent filler pass to groove, and each subsequent filler pass and first of cap weld form platform
Rank；S6: carrying out being soldered to for subsequent final pass on step and fill up groove, completes welding.
This liner auxiliary horizontal position welding technique, pastes a liner 5 on the base material surface on the downside of groove front before welding, utilizes lining
Pad 5 bracketings and live molten bath molten iron on the downside of groove, force the deposited metal of fusing liner 5 and before be frozen between existing weld seam
Shape forms the welding surroundings that there are bracketing in molten bath two sides, forces first of appearance of weld of capping, quality of weld seam molding is improved, after being
Continuous capping forming lays the foundation, and reduces polishing workload.
As a preferred embodiment of the present invention, in step S3, the lower edge of end edge alignment groove under 5 corner cut will be padded
The region for not laying spacer block 1 in the sheet metal 2 for padding 5 back sides is pasted on 5 lower section of liner by the position of 1~2mm of lower section
Base material surface.Further, 5 method of attaching is padded the following steps are included: a, stickup prepare, by the base material on the downside of weld groove
Splashing in the 30mm width range of surface；B, it is laid with liner 5, first tears the provisional paster 3 on liner 5, it will be short under corner cut
Side is directed at the position of 1~2mm below the lower edge of groove, and the length direction pressure along liner 5 makes liner 5 be pasted onto base material table
On face；C, fastening liner 5, the provisional paster 3 on aluminium foil is torn, and aluminium foil is pasted and fixed on to the base material table of 5 lower section of liner
On face.Specifically, it after aluminium foil and base material surface bonding are smooth, is firmly scraped along its length repeatedly with scraper plate in aluminium foil surface,
It is then scraped from top to down in the width direction repeatedly on 5 surfaces of liner, so operation can guarantee double-sided adhesive and base material table at two
The fitting in face is even closer, it is ensured that the stability that liner 5 is pasted.When needing to be laid with a plurality of liner 5, make each 5 head and the tail of liner
Connect and is fitted on base material surface.
As a preferred embodiment of the present invention, the welding of first of cap weld uses weave bead welding in step S4, swings
Width is the distance between the backing weld seam 4 and liner 5, keep angle of welding gun and groove lower surface it is at 45 °~80 ° of angles simultaneously
With welding direction at 70 °~80 ° angles.Specifically, weave bead welding is in CO2Under gas shield, using 220~250A, 25~29V
Welding parameter carries out, and hunting frequency is 1~2Hz, and speed of welding is 9~11cm/min, and welding direction is weldering of turning right from left side.
Due to there is liner 5 as bracketing, therefore welding parameter can be improved and welded.
As a preferred embodiment of the present invention, in step S5 and S6, each subsequent filler pass and subsequent final pass are equal
It is filled welding using straight line horizontal position welding is not swung, the outside of each subsequent filler pass and the outside of first of cap weld are retracted
2~3mm, the outside of each subsequent final pass are more than 2~4mm of sideline of groove face.Further, subsequent final pass is filled out
Fill bottom-up carry out deposition, each subsequent filler pass and subsequent capping since step is along the upper surface of upper one of final pass
The thickness of welding bead is consistent with the reinforcement of first of cap weld.Specifically, the welding parameter of subsequent filler pass is set as electric current
180~220A, 23~26V of arc voltage, 15~20cm/min of speed；The welding parameter of subsequent final pass is set as electric current
180~210A, 22~25V of arc voltage, 15~20cm/min of speed.When the two is not swung straight line horizontal position welding, welding gun with
Groove lower surface is at 75 °~90 ° angles, and with welding direction at 70 °~90 ° angles, welding direction is to turn right weldering from left side.
After the completion of welding, if connector needs back root cleaning, horizontal position welding technique is assisted using the liner, first in the reverse side of weld seam
Plane root see it is white after, the splashing and dross on base material surface on the downside of polishing backing groove；Then in the downside pasting pad of backing groove
5, carry out being soldered to capping being filled up completely according to the method that front groove welds.Further, dig root groove depth be 4~
8mm, the splashing that need to be polished and dross are located on the downside of backing groove in the 30mm width range on base material surface.
Certainly, design of the invention creation is not limited to above embodiment, and those skilled in the art are not
Equivalent deformation or replacement can be also made under the premise of violating spirit of that invention, these equivalent variation or replacement are all contained in this Shen
It please be in claim limited range.
Claims (10)
1. a kind of liner, including several spacer blocks, it is characterised in that: each spacer block is along the metal foil arranged in a straight line that is laid in
On piece, the sheet metal and the back side of each spacer block fit, and the side of the adjacent spacer block contacts with each other, each lining
The positive upper broadside of cushion block is split into corner cut.
2. liner according to claim 1, it is characterised in that: the shape of the sheet metal is rectangle, the metal foil
The width of piece is greater than the height of each spacer block, and the length of the sheet metal is greater than the spliced length of each spacer block, each described
The upper broadside at the back side of spacer block and a long side of sheet metal overlap.
3. liner according to claim 1, it is characterised in that: the whole face for the one side that the sheet metal is bonded with spacer block
It is coated with double-sided adhesive, each spacer block is fitted and connected by double-sided adhesive and sheet metal.
4. liner according to claim 3, it is characterised in that: the front downside of each spacer block is coated with double-sided adhesive, institute
It is stamped provisional patch in the surface for stating the double-sided adhesive that sheet metal does not lay the region of spacer block and the front downside of each spacer block
Paper.
5. liner according to claim 1, it is characterised in that: the sheet metal is aluminium foil.
6. liner according to claim 1, it is characterised in that: each spacer block is ceramic block, each spacer block
Shape be cuboid.
7. a kind of liner assists horizontal position welding technique, characterized by the following steps:
S1: backing welding is carried out in the gap of base material, and the backing weld seam that the backing welding is formed is filled to the groove with gap
Surface distance is 6~12mm；
S2: the splashing fallen on the base material surface on the downside of the groove is removed；
S3: liner is pasted onto the front downside of the groove；
S4: the welding that first of cap weld is carried out in groove is formed by between the backing weld seam, groove and liner；
S5: carrying out the upper side that deposition welds several subsequent filler pass to groove in the upper surface of described first of cap weld,
Each subsequent filler pass and first of cap weld form step；
S6: carrying out being soldered to for subsequent final pass on the step and fill up groove, completes welding.
8. liner according to claim 7 assists horizontal position welding technique, it is characterised in that: in the step S3, by the liner
Corner cut under end edge alignment groove lower edge below 1~2mm position, and will not be applied in the sheet metal of the cushion back
If the region of spacer block is pasted on the base material surface of liner lower section.
9. liner according to claim 7 assists horizontal position welding technique, it is characterised in that: first of cosmetic welding in the step S4
The welding of seam uses weave bead welding, and swing width is the distance between the backing weld seam and liner, keeps angle of welding gun and groove
Lower surface is at 45 °~80 ° of angles and with welding direction at 70 °~80 ° angles.
10. liner according to claim 7 assists horizontal position welding technique, it is characterised in that: each described in the step S5 and S6
Subsequent filler pass and subsequent final pass, which are all made of, not to be swung straight line horizontal position welding and is filled welding, each subsequent filler pass
Outside and the outside of first of cap weld are retracted 2~3mm, and the outside of each subsequent final pass is more than the side of groove face
2~4mm of line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910370520.4A CN110293278A (en) | 2019-05-06 | 2019-05-06 | It is a kind of to pad and pad auxiliary horizontal position welding technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910370520.4A CN110293278A (en) | 2019-05-06 | 2019-05-06 | It is a kind of to pad and pad auxiliary horizontal position welding technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110293278A true CN110293278A (en) | 2019-10-01 |
Family
ID=68026753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910370520.4A Pending CN110293278A (en) | 2019-05-06 | 2019-05-06 | It is a kind of to pad and pad auxiliary horizontal position welding technique |
Country Status (1)
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| CN (1) | CN110293278A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110883407A (en) * | 2019-10-24 | 2020-03-17 | 上海江南长兴造船有限责任公司 | Method for solving welding joint defects in production |
| CN116329799A (en) * | 2023-06-01 | 2023-06-27 | 武汉海德龙仪表科技有限公司 | Welding device and method for manufacturing and processing liquid level meter |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3842237A (en) * | 1972-08-28 | 1974-10-15 | Mitsubishi Heavy Ind Ltd | Welding method employing inclined parallel groove |
| US4045648A (en) * | 1972-07-04 | 1977-08-30 | Kobe Steel, Limited | Automatic arc welding process using a consumable nozzle |
| JPH0852572A (en) * | 1994-08-12 | 1996-02-27 | Kobe Steel Ltd | Gas shielded metal-arc welding method |
| JPH08174219A (en) * | 1994-12-27 | 1996-07-09 | Mitsubishi Heavy Ind Ltd | Sidewise welding laminating method |
| JP2001179489A (en) * | 1999-12-17 | 2001-07-03 | Saiki Kensetsu Co Ltd | Backing material for penetration welding |
| CN2510216Y (en) * | 2000-10-05 | 2002-09-11 | 郑武秀 | Welding backing-board material with support |
-
2019
- 2019-05-06 CN CN201910370520.4A patent/CN110293278A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4045648A (en) * | 1972-07-04 | 1977-08-30 | Kobe Steel, Limited | Automatic arc welding process using a consumable nozzle |
| US3842237A (en) * | 1972-08-28 | 1974-10-15 | Mitsubishi Heavy Ind Ltd | Welding method employing inclined parallel groove |
| JPH0852572A (en) * | 1994-08-12 | 1996-02-27 | Kobe Steel Ltd | Gas shielded metal-arc welding method |
| JPH08174219A (en) * | 1994-12-27 | 1996-07-09 | Mitsubishi Heavy Ind Ltd | Sidewise welding laminating method |
| JP2001179489A (en) * | 1999-12-17 | 2001-07-03 | Saiki Kensetsu Co Ltd | Backing material for penetration welding |
| CN2510216Y (en) * | 2000-10-05 | 2002-09-11 | 郑武秀 | Welding backing-board material with support |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110883407A (en) * | 2019-10-24 | 2020-03-17 | 上海江南长兴造船有限责任公司 | Method for solving welding joint defects in production |
| CN116329799A (en) * | 2023-06-01 | 2023-06-27 | 武汉海德龙仪表科技有限公司 | Welding device and method for manufacturing and processing liquid level meter |
| CN116329799B (en) * | 2023-06-01 | 2023-08-08 | 武汉海德龙仪表科技有限公司 | Welding device and method for manufacturing and processing liquid level meter |
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| PB01 | Publication | ||
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Application publication date: 20191001 |