CN108296609B - Welding process of totally-enclosed aluminum alloy side-rolling-prevention multifunctional cabinet - Google Patents

Welding process of totally-enclosed aluminum alloy side-rolling-prevention multifunctional cabinet Download PDF

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Publication number
CN108296609B
CN108296609B CN201810149431.2A CN201810149431A CN108296609B CN 108296609 B CN108296609 B CN 108296609B CN 201810149431 A CN201810149431 A CN 201810149431A CN 108296609 B CN108296609 B CN 108296609B
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welding
plate
cabinet
bottom plate
seam
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CN108296609A (en
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王圣达
谷晗
田峰
李闯
赵宸
张鹏
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Liaoning Zhongwang Aluminum Alloy Deep Processing Co Ltd
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Liaoning Zhongwang Aluminum Alloy Deep Processing Co Ltd
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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
    • B23K9/16—Arc welding or cutting making use of shielding gas
    • B23K9/164—Arc welding or cutting making use of shielding gas making use of a moving fluid
    • 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
    • B23K9/0026—Arc welding or cutting specially adapted for particular articles or work

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Arc Welding In General (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

The invention belongs to the technical field of aluminum alloy welding, and relates to a welding process of an external totally-enclosed aluminum alloy side-rolling-prevention multifunctional cabinet of heavy trucks, which comprises a bottom plate, a top plate and a rear plate which are respectively and fixedly arranged on the front side and the rear side of the bottom plate, and side plates which are respectively and fixedly arranged on the left side and the right side of the bottom plate, wherein the bottom plate, the top plate, the rear plate and the side plates define cuboids, lifting lug plates are fixedly arranged at the four corners of each cuboid, plates are buckled above each cuboid, reinforcing ribs are crosswise arranged at the four corners of plates, a bottom section is fixedly arranged below the bottom plate, the top plate, the rear plate and the bottom plate are respectively welded with the side plates during welding, the bottom section is welded with the bottom plate, the lifting lug plates are welded with the side plates and the bottom section, and the plates are welded with reinforcing rib plates in four stages, so that the problems that.

Description

Welding process of totally-enclosed aluminum alloy side-rolling-prevention multifunctional cabinet
Technical Field
The invention belongs to the technical field of aluminum alloy welding, and relates to a welding process of an external full-closed aluminum alloy side-rolling-prevention multifunctional cabinet of a heavy truck.
Background
The existing external multifunctional cabinet and the anti-side rolling beam of the heavy truck are generally formed by welding common carbon steel plates and are brushed with anti-rust paint for corrosion prevention. In order to reduce the manufacturing cost, carbon steel plates are directly blanked into tailor-welded specifications; in order to reduce the manufacturing period, the multifunctional cabinet and the anti-rolling beam are welded discontinuously, and the parts which are not welded are coated with sealant.
The existing vehicle-mounted multifunctional cabinet and the anti-rolling beam are two parts, so that the self weight is large, the weight of a vehicle body is increased, and the energy conservation and emission reduction are not facilitated; the antirust paint is easy to fall off and has poor corrosion resistance, and the service cycle of the tool box is short; the sealant is exposed outdoors for a long time, and the corrosion requirements of the multifunctional cabinet such as rain and snow resistance cannot be met.
Disclosure of Invention
In view of the above, the invention provides a welding process of fully-enclosed aluminum alloy side-rolling-resistant multifunctional cabinets, which aims to solve the problems that the existing vehicle-mounted multifunctional cabinets made of carbon steel plates and side-rolling-resistant beams are heavy in weight, not beneficial to energy conservation and emission reduction, and incapable of meeting the requirements on corrosion resistance.
In order to achieve the purpose, the invention provides a welding process of totally-enclosed aluminum alloy side-rolling prevention multifunctional cabinets, the side-rolling prevention multifunctional cabinets comprise a bottom plate, a top plate and a rear plate which are fixedly installed on the front side and the rear side of the bottom plate respectively, and side plates which are fixedly installed on the left side and the right side of the bottom plate respectively, the bottom plate, the top plate, the rear plate and the side plates define cuboids, lifting lug plates are fixedly installed at four corners of each cuboid, plates are buckled above the cuboids, reinforcing ribs are installed at four corners of the plates in a crossed mode, a bottom section bar is fixedly installed below the bottom plate, and four-stage welding is carried:
A. roof, back plate, bottom plate respectively with the curb plate welding: clamping the top plate, the rear plate, the bottom plate and the side plates on a welding tool to weld a welding seam at an intersecting position, wherein a welding seam joint is in a fillet welding seam form, a welding seam leg is 2mm, the welding current is 90-110A, the welding voltage is 17.7-18.5V, the welding speed is 2-3 mm/s, and the flow of protective gas is 15-20L/min;
B. welding the bottom section bar with a bottom plate: clamping the bottom section and the cuboid cabinet welded in the step A on a welding tool to weld a welding seam, wherein the welding seam joint is in a fillet welding seam form, a welding seam leg is 3mm, the welding current is 140-160A, the welding voltage is 19.7-22.0V, the welding speed is 2-3 mm/s, and the flow of protective gas is 15-20L/min;
C. the lug plate is welded with the side plate and the bottom section bar: clamping the lifting lug plate and the cabinet welded in the step B on a welding tool to weld a welding seam, wherein the welding joint is in a fillet welding seam form, a welding seam leg is 3mm, the welding current is 140-160A, the welding voltage is 19.7-22.0V, the welding speed is 2-3 mm/s, and the flow of protective gas is 15-20L/min;
D. welding the plate and the reinforcing rib plate, namely clamping the plate and the reinforcing rib plate on a welding tool, wherein the welding joint is in a fillet welding form, the welding leg of the welding joint is 2mm, the welding current is 140-160A, the welding voltage is 19.7-22.0V, the welding speed is 2-3 mm/s, and the flow of protective gas is 15-20L/min.
, the anti-rolling multifunctional cabinet is made of 5052-H32 anti-rust aluminum plates, and the thickness of the anti-rust aluminum plates is 2 mm.
, adopting an Rpanasonic YC-300BP loose arc welding machine as welding equipment, adopting Ar gas as protective gas, adopting Er 5356 as welding materials and adopting an aluminum welding wire with the diameter of 2.4 mm.
And step , the welding mode of the step A is intermittent welding, and the influence of local deformation on the whole cabinet body is reduced.
And step , the welding mode of the step D is spot welding.
, the ambient temperature is not lower than 20 deg.C and the humidity is not higher than 60%.
The invention has the beneficial effects that:
1. the multifunctional cabinet welded by the welding process of the anti-rolling multifunctional cabinet has the advantages that the anti-rolling beam and the multifunctional cabinet are combined into , the anti-rolling multifunctional cabinet adopts an all-aluminum alloy structure, the corrosion resistance of the multifunctional cabinet is improved, the weight of a heavy truck is reduced, the weight is of the original weight, the oil consumption of the truck is reduced, and the aluminum alloy is resistant to air, rain and snow corrosion, does not need to be brushed with anti-rust paint, reduces the manufacturing cost and is practical.
2. The multifunctional cabinet welded by the welding process of the anti-side-rolling multifunctional cabinet realizes aluminum alloy welding connection, utilizes the excellent performance of aluminum alloy, and can greatly reduce welding deformation, reduce weld defects and improve production efficiency by improving welding process parameters.
3. The multifunctional cabinet welded by the welding process of the anti-side-rolling multifunctional cabinet realizes full sealing, improves the rain and snow resistance of the multifunctional cabinet, greatly improves the sealing performance and improves the current situation of incomplete sealing in the traditional process.
Drawings
In order to make the object, technical scheme and beneficial effect of the invention more clear, the invention provides the following drawings for explanation:
FIG. 1 is a schematic structural view of a totally-enclosed aluminum alloy anti-rolling multifunctional cabinet body of the invention;
fig. 2 is a schematic structural view of the top cover of the totally enclosed aluminum alloy anti-rolling multifunctional cabinet of the invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail below.
Reference numerals in the drawings of the specification include:
the structure comprises a top plate 1, a bottom plate 2, a rear plate 3, side plates 4, a lug plate 5, reinforcing rib plates 6, plates 7 and a bottom section bar 8.
The welding process of the totally enclosed aluminum alloy side-rolling-prevention multifunctional cabinet shown in fig. 1-2 comprises the following steps of preparing 5052-H32 anti-rust aluminum plates from the anti-side-rolling multifunctional cabinet, wherein the thickness of the anti-rust aluminum plates is 2mm, welding equipment is a Rpanasonic YC-300BP loose electric welding machine, protective gas is Ar gas, the used welding material is aluminum welding wire Er 5356, the diameter of the aluminum welding wire is 2.4mm, the anti-side-rolling multifunctional cabinet comprises a bottom plate 2, a top plate 1 and a rear plate 3 which are fixedly installed on the front side and the rear side of the bottom plate 2 respectively, and side plates 4 which are fixedly installed on the left side and the right side of the bottom plate 2 respectively, the bottom plate 2, the top plate 1, the rear plate 3 and the side plates 4 enclose cuboids, lifting lug plates 5 are fixedly installed at four corners of the cuboids, plates 7 are buckled above the cuboids, reinforcing ribs are crossly installed at four corners of the plates 7:
A. roof 1, back plate 3, bottom plate 2 respectively with curb plate 4 welding: clamping the top plate 1, the rear plate 3, the bottom plate 2 and the side plates 4 on a welding tool to weld a welding seam at an intersecting position, wherein the welding seam joint is in a fillet welding seam form, the welding seam leg is 2mm, the welding current is 90-110A, the welding voltage is 17.7-18.5V, the welding speed is 2-3 mm/s, the flow of protective gas is 15-20L/min, the welding mode is intermittent welding, and the influence of local deformation on the whole cabinet body is reduced;
B. the bottom section bar 8 is welded with the bottom plate 2: clamping the bottom section 8 and the cuboid cabinet welded in the step A on a welding tool to weld a welding seam, wherein the welding seam joint is in a fillet welding seam form, the welding seam leg is 3mm, the welding current is 140-160A, the welding voltage is 19.7-22.0V, the welding speed is 2-3 mm/s, the flow of protective gas is 15-20L/min, the welding current and the welding speed are controlled, and the local deformation of the cabinet is easily caused due to large thickness difference;
C. the lifting lug plate 5 is welded with the side plate 4 and the bottom section bar 8: clamping the lifting lug plate 5 and the cabinet welded in the step B on a welding tool to weld a welding seam, wherein the welding joint is in a fillet welding seam form, the welding seam leg is 3mm, the welding current is 140-160A, the welding voltage is 19.7-22.0V, the welding speed is 2-3 mm/s, the flow of protective gas is 15-20L/min, the welding current and the welding speed are controlled, and the local deformation of the cabinet is easily caused due to large thickness difference;
D. welding the plate 7 and the reinforcing rib plate 6, namely clamping the plate 7 and the reinforcing rib plate 6 on a welding tool, wherein the welding joint is in a fillet welding joint form, the welding leg of the welding joint is 2mm, the welding current is 140-160A, the welding voltage is 19.7-22.0V, the welding speed is 2-3 mm/s, the flow of protective gas is 15-20L/min, the welding current and the welding speed are controlled, the local deformation of the cabinet body is easily caused due to large thickness difference, and the local deformation is fixed by spot welding.
In addition, the environment temperature of the fully-closed aluminum alloy side-rolling-prevention multifunctional cabinet is not lower than 20 ℃ and the humidity is not higher than 60% during welding.
The anti-rolling multifunctional cabinet welded by the welding process realizes an all-aluminum alloy structure of the anti-rolling multifunctional cabinet, greatly lightens the weight of a heavy truck and reduces the oil consumption of the truck. This prevent that side rolls multi-functional cabinet is corrosion-resistant and need not to brush anti-rust paint, reduction in manufacturing cost and practicality are strong.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims (6)

  1. The utility model provides a welding process of totally enclosed aluminum alloy anti-roll multifunctional cabinet, a serial communication port, anti-roll multifunctional cabinet includes the bottom plate, respectively fixed mounting is at the roof and the back plate of bottom plate front side and rear side and respectively fixed mounting is at the curb plate on bottom plate left side and right side, the bottom plate, the roof, back plate and curb plate enclose into cuboid, cuboid four corners fixed mounting has the lug board, cuboid top lock has the board, the reinforcing rib is installed in the four corners position cross of board, the below fixed mounting of bottom plate has the bottom section bar, four stage welding of welding time division, concrete step is as follows:
    A. roof, back plate, bottom plate respectively with the curb plate welding: clamping the top plate, the rear plate, the bottom plate and the side plates on a welding tool to weld a welding seam at an intersecting position, wherein a welding seam joint is in a fillet welding seam form, a welding seam leg is 2mm, the welding current is 90-110A, the welding voltage is 17.7-18.5V, the welding speed is 2-3 mm/s, and the flow of protective gas is 15-20L/min;
    B. welding the bottom section bar with a bottom plate: clamping the bottom section and the cuboid cabinet welded in the step A on a welding tool to weld a welding seam, wherein the welding seam joint is in a fillet welding seam form, a welding seam leg is 3mm, the welding current is 140-160A, the welding voltage is 19.7-22.0V, the welding speed is 2-3 mm/s, and the flow of protective gas is 15-20L/min;
    C. the lug plate is welded with the side plate and the bottom section bar: clamping the lifting lug plate and the cabinet welded in the step B on a welding tool to weld a welding seam, wherein the welding joint is in a fillet welding seam form, a welding seam leg is 3mm, the welding current is 140-160A, the welding voltage is 19.7-22.0V, the welding speed is 2-3 mm/s, and the flow of protective gas is 15-20L/min;
    D. welding the plate and the reinforcing rib plate, namely clamping the plate and the reinforcing rib plate on a welding tool, wherein the welding joint is in a fillet welding form, the welding leg of the welding joint is 2mm, the welding current is 140-160A, the welding voltage is 19.7-22.0V, the welding speed is 2-3 mm/s, and the flow of protective gas is 15-20L/min.
  2. 2. The welding process of the multifunctional side-rolling prevention cabinet as claimed in claim 1, wherein the multifunctional side-rolling prevention cabinet is made of 5052-H32 rustproof aluminum plate, and the thickness of the rustproof aluminum plate is 2 mm.
  3. 3. The welding process of the multifunctional side-rolling prevention cabinet as claimed in claim 2, wherein the welding equipment is a Rpanasonic YC-300BP loose wire welding machine, the protective gas is Ar gas, the welding material used is an aluminum welding wire Er 5356, and the diameter of the aluminum welding wire is 2.4 mm.
  4. 4. The welding process of the multifunctional side rolling prevention cabinet as claimed in claim 3, wherein the welding mode in the step A is intermittent welding, so that the influence of local deformation on the whole cabinet body is reduced.
  5. 5. The welding process of the multifunctional side rolling prevention cabinet as claimed in claim 4, wherein the welding manner of the step D is spot welding.
  6. 6. A welding process of the multifunctional side rolling prevention cabinet as claimed in claim 5, wherein the ambient temperature is not lower than 20 ℃ and the humidity is not more than 60% during welding.
CN201810149431.2A 2018-02-08 2018-02-08 Welding process of totally-enclosed aluminum alloy side-rolling-prevention multifunctional cabinet Active CN108296609B (en)

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CN109014512A (en) * 2018-10-24 2018-12-18 辽宁忠旺铝合金精深加工有限公司 A kind of lightweight vehicle body battery frame structure welding technique
CN109514118A (en) * 2018-12-21 2019-03-26 辽宁忠旺特种车辆制造有限公司 A kind of big gooseneck container side plate welding procedure
CN109822251A (en) * 2019-03-27 2019-05-31 辽宁忠旺铝合金精深加工有限公司 A kind of skeleton welding procedure of built-in subway passenger door

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JPH0757604B2 (en) * 1991-04-01 1995-06-21 住友軽金属工業株式会社 Method for manufacturing side beam of bogie frame for superconducting magnetic levitation
JP3302516B2 (en) * 1994-09-29 2002-07-15 昭和飛行機工業株式会社 Storage box
CN100491051C (en) * 2006-08-29 2009-05-27 今创集团有限公司 Fabrication technique for welding box cover and box body made from stainless steel sheet
CN104526175B (en) * 2014-12-24 2016-08-31 沈阳航天新星机电有限责任公司 A kind of method controlling welding deformation
CN104907676B (en) * 2015-04-07 2017-01-18 昆山力盟机械工业有限公司 Welding technology for aluminum alloy network cabinet
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