CN114012294A - Main longitudinal beam downward-pressing type welding device for aluminum alloy semitrailer - Google Patents
Main longitudinal beam downward-pressing type welding device for aluminum alloy semitrailer Download PDFInfo
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- CN114012294A CN114012294A CN202111395995.2A CN202111395995A CN114012294A CN 114012294 A CN114012294 A CN 114012294A CN 202111395995 A CN202111395995 A CN 202111395995A CN 114012294 A CN114012294 A CN 114012294A
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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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/003—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to controlling of welding distortion
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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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Optics & Photonics (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention relates to the field of manufacturing and application of lightweight logistics equipment, in particular to a downward-pressing type welding device for an aluminum alloy semitrailer main longitudinal beam, which comprises a tool platform, a wing plate correcting pressure cylinder, a wing plate fixing pressure cylinder and a wing plate positioning block, wherein the wing plate correcting pressure cylinder is arranged on the tool platform; the frock platform is equipped with the pterygoid lamina holding surface, the pterygoid lamina correct press the jar with the fixed jar of pressing of pterygoid lamina all sets up on the frock platform, the pterygoid lamina correct press the jar with the equal vertical downward orientation of the fixed jar of pressing of pterygoid lamina the pterygoid lamina holding surface, the pterygoid lamina correct press the jar with the fixed jar of pressing of pterygoid lamina quantity of pressing of pterygoid lamina all is greater than two, the pterygoid lamina correct press the jar with the fixed jar of pressing of pterygoid lamina is according to first preset interval setting in turn, first axis is on a parallel with the pterygoid lamina holding surface. The aluminum alloy semitrailer main longitudinal beam downward-pressing type welding device provided by the invention can improve the welding quality of the main longitudinal beam and avoid welding deformation.
Description
Technical Field
The invention relates to the field of manufacturing and application of lightweight logistics equipment, in particular to a downward-pressing type welding device for a main longitudinal beam of an aluminum alloy semitrailer.
Background
The aluminum alloy has large linear expansion coefficient and poor high-temperature plasticity, and is easy to generate larger thermal stress during welding, so that the aluminum alloy member generates larger deformation. The main longitudinal beam structure of the aluminum alloy semitrailer is formed by assembling and welding a web plate and upper and lower wing plate sectional materials with an outer convex groove. The total length exceeds 13m, the design requires that the total length horizontal side bending of the main longitudinal beam is not more than 5mm, and the upper deflection is not more than 10mm, so that the safe operation of the main longitudinal beam under different load working conditions can be ensured. The welding operation of the main longitudinal beam of the aluminum alloy semitrailer at present comprises the following steps: the aluminum alloy main longitudinal beam fixed by spot welding is hoisted into a welding tool, the position of the main longitudinal beam is adjusted, a clamp is opened to clamp an upper wing plate and a lower wing plate, a special welding machine is used for welding the double-sided angle welding seam of the lower wing plate and the web plate simultaneously from the middle of the main longitudinal beam to two sides, then the double-sided angle welding seam of the upper wing plate and the web plate is welded in the same mode, and finally the main longitudinal beam is transported to a repair welding station.
The main longitudinal beam of the existing aluminum alloy semitrailer is welded, and has the following problems: firstly, based on the existing main longitudinal beam welding process, in order to prevent a welding gun from colliding with a wing plate clamp in the welding process, the wing plate clamp needs to be loosened in the welding process, the main longitudinal beam is heated unevenly at the moment and is limited asymmetrically in welding shrinkage, so that the main longitudinal beam can generate downwarping and distortion deformation to a certain degree, and the design requirement cannot be met; secondly, based on current main longitudinal beam welding process, unable accurate positioning when main longitudinal beam hangs into the frock needs artifical constantly to adjust, and goes up pterygoid lamina and lower pterygoid lamina and lack effective positioning, and the straightness that hangs down of pterygoid lamina and web can't be guaranteed, and the heat that welding process produced is big, and the anchor clamps clamp force of pterygoid lamina both sides is not enough, leads to main longitudinal beam to take place the side bend and warp, surpasss the tolerance of design requirement.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides an aluminum alloy semitrailer main longitudinal beam pushes down formula welding set who avoids welding deformation.
In order to solve the technical problems, the invention adopts the technical scheme that: a downward-pressing type welding device for an aluminum alloy semitrailer main longitudinal beam comprises a tool platform, a wing plate correcting pressure cylinder, a wing plate fixing pressure cylinder and a wing plate positioning block;
the tooling platform is provided with a wing plate supporting surface, the wing plate correcting pressure cylinders and the wing plate fixing pressure cylinders are both arranged on the tooling platform, the wing plate correcting pressure cylinders and the wing plate fixing pressure cylinders both vertically face downwards to the wing plate supporting surface, the number of the wing plate correcting pressure cylinders and the number of the wing plate fixing pressure cylinders are both more than two, the wing plate correcting pressure cylinders and the wing plate fixing pressure cylinders are alternately arranged along a first axis at first preset intervals, and the first axis is parallel to the wing plate supporting surface;
more than two sets of wing plate locating pieces are in the frock platform is gone up along being on a parallel with the second axis of first axis sets up according to the second preset interval, and two sets of wing plate locating piece is for the vertical plane symmetry setting in first axis place.
Furthermore, still include the portal frame, the wing plate is corrected the pressure cylinder and the fixed pressure cylinder of wing plate all establishes on the portal frame.
Furthermore, the device also comprises a correction clamping plate, one end of the correction clamping plate is connected with the wing plate correction pressure cylinder, and the other end of the correction clamping plate is provided with a correction groove.
Furthermore, the wing plate fixing press cylinder is characterized by further comprising a fixing press plate, one end of the fixing press plate is connected with the wing plate fixing press cylinder, a first pressing plane is arranged at the other end of the fixing press plate, and the first pressing plane is parallel to the wing plate supporting surface.
Furthermore, the wing plate supporting device further comprises a pressing beam, one end of the pressing beam is connected with the first pressing plane, a second pressing plane is arranged at the other end of the pressing beam, and the second pressing plane is parallel to the wing plate supporting surface.
Further, still include locating piece mount pad and connecting block, the locating piece mount pad sets up on the frock platform, the one end of connecting block with the locating piece mount pad rotates to be connected, the other end of connecting block with pterygoid lamina locating piece rotates to be connected.
Furthermore, the wing plate positioning block is provided with a third pressing plane, and the third pressing plane is perpendicular to the wing plate supporting surface.
Further, the correcting device comprises more than two groups of correcting blocks, wherein the correcting blocks are arranged on the tool platform along the second axis at intervals according to a third preset interval, the correcting blocks are symmetrically arranged relative to the first axis, the correcting blocks are provided with inclined correcting surfaces, and dihedral angles between the inclined correcting surfaces and the wing plate supporting surfaces are obtuse angles.
Further, still include first removal frame and pterygoid lamina support frame, first removal frame sets up along the third axis, the third axis perpendicular to first axis, the pterygoid lamina support frame slides along vertical direction and sets up on the first removal frame.
Further, still include track, second and remove frame and welder subassembly, the track sets up along being on a parallel with the direction of first axis, the second removes frame slidable and sets up on the track, the welder subassembly sets up on the second removes the frame.
The invention has the beneficial effects that: the utility model provides an aluminum alloy semitrailer main longitudinal beam pushes down formula welding set, place the last pterygoid lamina of main longitudinal beam on the pterygoid lamina supporting surface, make the lower pterygoid lamina of main longitudinal beam up, utilize pterygoid lamina to correct the jar and correct the lower pterygoid lamina from the top, after adjusting the radial positioning of main longitudinal beam, utilize the fixed jar of pterygoid lamina to press down fixedly from the top to the lower pterygoid lamina, utilize the pterygoid lamina locating piece to support the location back along radial to the last pterygoid lamina locating piece, can carry out welding operation, through correcting the jar, the control of the range interval of the fixed jar of pterygoid lamina and pterygoid lamina locating piece to the pterygoid lamina, the positioning accuracy of main longitudinal beam has been improved, the welding deformation of main longitudinal beam has been reduced.
Drawings
FIG. 1 is a schematic structural view of a main longitudinal beam downward-pressing type welding device of an aluminum alloy semitrailer in an embodiment of the invention;
FIG. 2 is a partial schematic view of a main longitudinal beam downward-pressing type welding device of an aluminum alloy semitrailer according to an embodiment of the invention;
FIG. 3 is a partial enlarged view of a main longitudinal beam downward-pressing type welding device of the aluminum alloy semitrailer in accordance with the embodiment of the present invention;
FIG. 4 is another enlarged partial view of the aluminum alloy semitrailer main rail push-down welding device according to the embodiment of the present invention;
FIG. 5 is a front view of a main longitudinal beam downward-pressing type welding device of the aluminum alloy semitrailer of the embodiment of the invention;
FIG. 6 is a top view of the aluminum alloy semitrailer main longitudinal beam push-down welding device according to the embodiment of the invention;
FIG. 7 is a left side view of a main longitudinal beam push-down welding device of an aluminum alloy semitrailer in accordance with an embodiment of the present invention;
FIG. 8 is a right side view of a main longitudinal beam push-down welding device of an aluminum alloy semitrailer in accordance with an embodiment of the present invention;
description of reference numerals:
1. a tooling platform; 11. a wing panel support surface; 2. a wing plate correcting press cylinder; 21. a correction clamping plate; 211. a correction slot; 3. wing plate fixing pressure cylinder; 31. fixing the pressing plate; 32. compressing the beam; 4. a wing plate positioning block; 41. a positioning block mounting seat; 42. connecting blocks; 5. a gantry; 6. a rectification block; 7. a first movable frame; 8. a wing plate support frame; 9. a track; 10. a second movable frame; 101. and a welding gun assembly.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 8, a main longitudinal beam downward-pressing type welding device for an aluminum alloy semi-trailer comprises a tool platform 1, a wing plate correcting pressure cylinder 2, a wing plate fixing pressure cylinder 3 and a wing plate positioning block 4;
the tooling platform 1 is provided with a wing plate supporting surface 11, the wing plate correcting pressure cylinder 2 and the wing plate fixing pressure cylinder 3 are both arranged on the tooling platform 1, the wing plate correcting pressure cylinder 2 and the wing plate fixing pressure cylinder 3 both vertically face downwards to the wing plate supporting surface 11, the number of the wing plate correcting pressure cylinder 2 and the number of the wing plate fixing pressure cylinders 3 are both more than two, the wing plate correcting pressure cylinders 2 and the wing plate fixing pressure cylinders 3 are alternately arranged along a first axis at first preset intervals, and the first axis is parallel to the wing plate supporting surface 11;
more than two sets of wing plate locating pieces 4 are in on the frock platform 1 along being on a parallel with the second axis of first axis sets up according to the second preset interval, two sets of wing plate locating piece 4 for the vertical plane symmetry setting in first axis place.
From the above description, the beneficial effects of the present invention are: the utility model provides an aluminum alloy semitrailer main longitudinal beam pushes down formula welding set, place the last pterygoid lamina of main longitudinal beam on pterygoid lamina supporting surface 11, make the lower pterygoid lamina of main longitudinal beam up, utilize pterygoid lamina to correct jar 2 and correct the lower pterygoid lamina from the top, after adjusting the radial positioning of main longitudinal beam, utilize the fixed jar 3 of pterygoid lamina to press down fixedly from the top to the lower pterygoid lamina, after utilizing pterygoid lamina locating piece 4 to support the location along radial to the last pterygoid lamina, can carry out welding operation, through the control to the range interval of the straightening jar 2 of the pterygoid lamina, the fixed jar 3 of pterygoid lamina and pterygoid lamina locating piece 4 of pterygoid lamina, the positioning accuracy of main longitudinal beam has been improved, the welding deformation of main longitudinal beam has been reduced.
In an optional embodiment, the device further comprises a portal frame 5, and the wing plate straightening pressure cylinder 2 and the wing plate fixing pressure cylinder 3 are both arranged on the portal frame 5.
As can be seen from the above description, the positions of the wing plate straightening pressure cylinder 2 and the wing plate fixing pressure cylinder 3 on the portal frame 5 are respectively adjustable, which is beneficial to improving the positioning effect of the main longitudinal beam.
In an alternative embodiment, the device further comprises a correction clamping plate 21, one end of the correction clamping plate 21 is connected with the wing plate correction cylinder 2, and the other end of the correction clamping plate 21 is provided with a correction groove 211.
As can be seen from the above description, during the pressing process of the straightening clamp 21, the side wall of the straightening groove 211 forming an acute dihedral angle with the wing plate support surface 11 presses the side edge of the lower wing plate, thereby adjusting the radial positioning of the main longitudinal beam.
In an alternative embodiment, the wing plate fixing device further comprises a fixing pressing plate 31, one end of the fixing pressing plate 31 is connected with the wing plate fixing cylinder 3, and the other end of the fixing pressing plate 31 is provided with a first pressing plane which is parallel to the wing plate supporting surface 11.
As can be seen from the above description, after the main longitudinal beam is adjusted and positioned in the radial direction, the fixed pressing plate 31 is driven by the wing plate fixing cylinder 3 to be pressed down, and the pressing precision and effect of the lower wing plate are ensured by the first pressing plane parallel to the wing plate supporting surface 11.
In an alternative embodiment, a pressing beam 32 is further included, one end of the pressing beam 32 is connected to the first pressing plane, and the other end of the pressing beam 32 is provided with a second pressing plane, which is parallel to the flap support surface 11.
As can be seen from the above description, the pressing beam 32 increases the pressing area through the second pressing plane parallel to the wing supporting surface 11, and ensures the pressing precision and effect of the lower wing.
In an optional embodiment, the tooling platform further comprises a positioning block mounting seat 41 and a connecting block 42, the positioning block mounting seat 41 is arranged on the tooling platform 1, one end of the connecting block 42 is rotatably connected with the positioning block mounting seat 41, and the other end of the connecting block 42 is rotatably connected with the wing plate positioning block 4.
As can be seen from the above description, the wing positioning block 4 is adjustably mounted on the positioning block mounting seat 41 through the connecting block 42, so as to loosen or clamp the upper wing as required.
In an alternative embodiment, the flap positioning block 4 is provided with a third pressing plane, which is perpendicular to the flap support surface 11.
As can be seen from the above description, the pressing accuracy and effect of the upper wing plate are ensured by the third pressing plane perpendicular to the wing plate support surface 11.
In an optional embodiment, the tool platform further comprises two or more groups of correcting blocks 6, the correcting blocks 6 are arranged on the tool platform 1 at intervals along the second axis according to a third preset interval, the two groups of correcting blocks 6 are symmetrically arranged relative to the first axis, each correcting block 6 is provided with an inclined correcting surface, and a dihedral angle between each inclined correcting surface and the wing plate supporting surface 11 is an obtuse angle.
As can be seen from the above description, the straightening block 6 straightens the edge of the upper wing plate by the inclined straightening surface and serves as a guide straightening when the upper wing plate is placed on the wing plate supporting surface 11.
In an alternative embodiment, the device further comprises a first moving frame 7 and a wing plate supporting frame 8, wherein the first moving frame 7 is arranged along a third axis, the third axis is perpendicular to the first axis, and the wing plate supporting frame 8 is arranged on the first moving frame 7 in a sliding mode along the vertical direction.
As can be seen from the above description, the loading and unloading of the main longitudinal beam can be completed by adjusting the position of the first movable frame 7 after the main longitudinal beam is placed in the wing plate support frame 8 and controlling the wing plate support frame 8 to lift.
In an alternative embodiment, the welding device further comprises a rail 9, a second moving frame 10 and a welding gun assembly 101, wherein the rail 9 is arranged along a direction parallel to the first axis, the second moving frame 10 is slidably arranged on the rail 9, and the welding gun assembly 101 is arranged on the second moving frame 10.
As can be seen from the above description, after the main longitudinal beam is positioned, the second movable frame 10 is slid on the rail 9 to adjust the welding position of the welding gun assembly 101, and after the welding is finished, the workpiece can be removed by releasing the positioning assembly.
Referring to fig. 1 to 8, a first embodiment of the present invention is: a downward pressing type welding device for an aluminum alloy semitrailer main longitudinal beam comprises a tool platform 1, a wing plate correcting pressure cylinder 2, a wing plate fixing pressure cylinder 3 and a wing plate positioning block 4;
the tooling platform 1 is provided with a wing plate supporting surface 11, the wing plate correcting pressure cylinder 2 and the wing plate fixing pressure cylinder 3 are both arranged on the tooling platform 1, the wing plate correcting pressure cylinder 2 and the wing plate fixing pressure cylinder 3 both face the wing plate supporting surface 11 vertically and downwards, more than two groups of wing plate correcting pressure cylinders 2 and more than two groups of wing plate fixing pressure cylinders 3 are alternately arranged along a first axis at a first preset interval, and the first axis is parallel to the wing plate supporting surface 11;
more than two groups of wing plate positioning blocks 4 are arranged on the tooling platform 1 at intervals according to a second preset distance along a second axis parallel to the first axis, and the two groups of wing plate positioning blocks 4 are symmetrically arranged relative to the first axis;
the ratio of the first preset interval to the second preset interval is a positive even number.
Still include portal frame 5, the wing plate correct press jar 2 with the fixed press jar 3 of wing plate all with portal frame 5 can dismantle the connection. Still including correcting cardboard 21, frock platform 1 is equipped with and is used for correcting the cylinder that cardboard 21 led, correct cardboard 21 one end with the wing plate is corrected and is pressed jar 2 and connect, the other end of correcting cardboard 21 is equipped with correction groove 211, and the lateral wall of correction groove 211 is for forming the pressing inclined plane of acute angle dihedral angle with wing plate holding surface 11 within a definite time. The wing plate fixing device is characterized by further comprising a fixing pressing plate 31, one end of the fixing pressing plate 31 is connected with the wing plate fixing hydraulic cylinder 3, a first pressing plane is arranged at the other end of the fixing pressing plate 31, and the first pressing plane is parallel to the wing plate supporting surface 11. Still including compressing tightly crossbeam 32, compress tightly the inside cavity of crossbeam 32, the surface that compresses tightly crossbeam 32 is equipped with the through-hole, plays save material, improves the heat dissipation, reduces welding deformation's effect, compress tightly crossbeam 32 one end with first pressing the plane and connecting, the other end that compresses tightly crossbeam 32 is equipped with the second and presses the plane, the second press the plane and be on a parallel with pterygoid lamina holding surface 11. Still include locating piece mount pad 41 and connecting block 42, locating piece mount pad 41 sets up on the frock platform 1, the one end of connecting block 42 with locating piece mount pad 41 rotates and connects, the other end of connecting block 42 with pterygoid lamina locating piece 4 rotates and connects. The wing plate positioning block 4 is provided with a third pressing plane, and the third pressing plane is perpendicular to the wing plate supporting surface 11. Still include the correction block 6, more than two sets of correction block 6 is in follow on the frock platform 1 the second axis sets up according to the third preset interval, and is two sets of correction block 6 for the first axis symmetry sets up, correction block 6 is equipped with the slope and corrects the face, the slope correct the face with dihedral angle between the pterygoid lamina holding surface 11 is the obtuse angle. Still include first removal frame 7 and pterygoid lamina support frame 8, first removal frame 7 sets up along the third axis, the third axis perpendicular to first axis, pterygoid lamina support frame 8 slides along vertical direction and sets up on the first removal frame 7, be equipped with roll pay-off bearing on the pterygoid lamina support frame 8. The welding gun assembly comprises a first moving frame 10, a rail 9, a second moving frame 10 and a welding gun assembly 101, wherein the rail 9 is arranged in a direction parallel to the first axis, the second moving frame 10 is driven by a driving assembly to move on the rail 9, and the welding gun assembly 101 is arranged on the second moving frame 10.
Referring to fig. 1 to 8, a first embodiment of the present invention is: a downward pressing type welding device for an aluminum alloy semitrailer main longitudinal beam comprises a tool platform 1, a wing plate correcting pressure cylinder 2, a wing plate fixing pressure cylinder 3 and a wing plate positioning block 4;
the tooling platform 1 is provided with a wing plate supporting surface 11, the wing plate correcting pressure cylinder 2 and the wing plate fixing pressure cylinder 3 are both arranged on the tooling platform 1, the wing plate correcting pressure cylinder 2 and the wing plate fixing pressure cylinder 3 both face the wing plate supporting surface 11 vertically and downwards, more than two groups of wing plate correcting pressure cylinders 2 and more than two groups of wing plate fixing pressure cylinders 3 are alternately arranged along a first axis at a first preset interval, and the first axis is parallel to the wing plate supporting surface 11;
more than two groups of wing plate positioning blocks 4 are arranged on the tooling platform 1 at intervals according to a second preset distance along a second axis parallel to the first axis, and the two groups of wing plate positioning blocks 4 are symmetrically arranged relative to the first axis;
the ratio of the first preset interval to the second preset interval is a positive even number.
Still include portal frame 5, the wing plate correct press jar 2 with the fixed press jar 3 of wing plate all with portal frame 5 can dismantle the connection. Still including correcting cardboard 21, frock platform 1 is equipped with and is used for correcting the cylinder that cardboard 21 led, correct cardboard 21 one end with the wing plate is corrected and is pressed jar 2 and connect, the other end of correcting cardboard 21 is equipped with correction groove 211, and the lateral wall of correction groove 211 is for forming the pressing inclined plane of acute angle dihedral angle with wing plate holding surface 11 within a definite time. The wing plate fixing device is characterized by further comprising a fixing pressing plate 31, one end of the fixing pressing plate 31 is connected with the wing plate fixing hydraulic cylinder 3, a first pressing plane is arranged at the other end of the fixing pressing plate 31, and the first pressing plane is parallel to the wing plate supporting surface 11. Still including compressing tightly crossbeam 32, compress tightly the inside cavity of crossbeam 32, the surface that compresses tightly crossbeam 32 is equipped with the through-hole, plays save material, improves the heat dissipation, reduces welding deformation's effect, compress tightly crossbeam 32 one end with first pressing the plane and connecting, the other end that compresses tightly crossbeam 32 is equipped with the second and presses the plane, the second press the plane and be on a parallel with pterygoid lamina holding surface 11. Still include locating piece mount pad 41 and connecting block 42, locating piece mount pad 41 sets up on the frock platform 1, the one end of connecting block 42 with locating piece mount pad 41 rotates and connects, the other end of connecting block 42 with pterygoid lamina locating piece 4 rotates and connects. The wing plate positioning block 4 is provided with a third pressing plane, and the third pressing plane is perpendicular to the wing plate supporting surface 11. Still include the correction block 6, more than two sets of correction block 6 is in follow on the frock platform 1 the second axis sets up according to the third preset interval, and is two sets of correction block 6 for the first axis symmetry sets up, correction block 6 is equipped with the slope and corrects the face, the slope correct the face with dihedral angle between the pterygoid lamina holding surface 11 is the obtuse angle. Still include first removal frame 7 and pterygoid lamina support frame 8, first removal frame 7 sets up along the third axis, the third axis perpendicular to first axis, pterygoid lamina support frame 8 slides along vertical direction and sets up on the first removal frame 7, be equipped with roll pay-off bearing on the pterygoid lamina support frame 8. The welding gun assembly comprises a first moving frame 10, a rail 9, a second moving frame 10 and a welding gun assembly 101, wherein the rail 9 is arranged in a direction parallel to the first axis, the second moving frame 10 is driven by a driving assembly to move on the rail 9, and the welding gun assembly 101 is arranged on the second moving frame 10.
In summary, the present invention provides a downward-pressing type welding device for main longitudinal beams of aluminum alloy semitrailers, wherein an upper wing plate of a main longitudinal beam is placed on a wing plate supporting surface, a lower wing plate of the main longitudinal beam is upward, the lower wing plate is corrected from above by a wing plate correction cylinder, the lower wing plate is pressed and fixed from above by a wing plate fixing cylinder after the radial positioning of the main longitudinal beam is adjusted, and finally, the upper wing plate is supported and positioned radially by a wing plate positioning block, so that the welding operation can be performed. The wing plate correcting pressure cylinder and the wing plate fixing pressure cylinder are respectively adjustable in position on the portal frame, and the positioning effect of the main longitudinal beam is favorably improved. The side of the lower wing plate is extruded by the side wall of the correcting groove which forms an acute dihedral angle with the wing plate supporting surface in the downward pressing process of the correcting clamping plate, so that the radial positioning of the main longitudinal beam is adjusted. After the main longitudinal beam is adjusted and positioned in the radial direction, the fixed pressing plate is driven by the wing plate fixing pressing cylinder to press downwards, and the pressing precision and effect of the lower wing plate are guaranteed through the first pressing plane parallel to the wing plate supporting surface. The pressing cross beam increases the pressing area through the second pressing plane parallel to the wing plate supporting surface, and the pressing precision and effect of the lower wing plate are guaranteed. The wing plate positioning block is adjustably arranged on the positioning block mounting seat through the connecting block, so that the upper wing plate is loosened or clamped according to needs. And the pressing precision and effect of the upper wing plate are ensured by the third pressing plane vertical to the supporting surface of the wing plate. The correcting block corrects the edge of the upper wing plate through the inclined correcting surface and plays a role in guiding and correcting when the upper wing plate is placed into the wing plate supporting surface. The main longitudinal beam is placed into the wing plate support frame, the position of the first moving frame is adjusted, and meanwhile, the wing plate support frame is controlled to lift, so that the main longitudinal beam can be assembled and disassembled. And after the main longitudinal beam is positioned, the second moving frame slides on the rail, so that the welding position of the welding gun assembly is adjusted, and after welding is finished, the workpiece can be taken down by loosening the positioning assembly.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (10)
1. A downward pressing type welding device for an aluminum alloy semitrailer main longitudinal beam is characterized by comprising a tool platform, a wing plate correcting pressure cylinder, a wing plate fixing pressure cylinder and a wing plate positioning block;
the tooling platform is provided with a wing plate supporting surface, the wing plate correcting pressure cylinders and the wing plate fixing pressure cylinders are both arranged on the tooling platform, the wing plate correcting pressure cylinders and the wing plate fixing pressure cylinders both vertically face downwards to the wing plate supporting surface, the number of the wing plate correcting pressure cylinders and the number of the wing plate fixing pressure cylinders are both more than two, the wing plate correcting pressure cylinders and the wing plate fixing pressure cylinders are alternately arranged along a first axis at first preset intervals, and the first axis is parallel to the wing plate supporting surface;
more than two sets of wing plate locating pieces are in the frock platform is gone up along being on a parallel with the second axis of first axis sets up according to the second preset interval, and two sets of wing plate locating piece is for the vertical plane symmetry setting in first axis place.
2. The aluminum alloy semitrailer main longitudinal beam downward-pressing type welding device according to claim 1, further comprising a portal frame, wherein the wing plate correcting pressure cylinder and the wing plate fixing pressure cylinder are both arranged on the portal frame.
3. The aluminum alloy semitrailer main longitudinal beam downward-pressing type welding device as recited in claim 1, further comprising a correction clamping plate, wherein one end of the correction clamping plate is connected with the wing plate correction pressure cylinder, and the other end of the correction clamping plate is provided with a correction groove.
4. The aluminum alloy semitrailer main longitudinal beam downward-pressing type welding device according to claim 1, further comprising a fixed pressing plate, wherein one end of the fixed pressing plate is connected with the wing plate fixing pressure cylinder, and the other end of the fixed pressing plate is provided with a first pressing plane which is parallel to the wing plate supporting surface.
5. The aluminum alloy semitrailer main longitudinal beam downward-pressing type welding device according to claim 4, further comprising a pressing cross beam, wherein one end of the pressing cross beam is connected with the first pressing plane, the other end of the pressing cross beam is provided with a second pressing plane, and the second pressing plane is parallel to the wing plate supporting surface.
6. The aluminum alloy semitrailer main longitudinal beam downward-pressing type welding device according to claim 1, further comprising a positioning block mounting seat and a connecting block, wherein the positioning block mounting seat is arranged on the tool platform, one end of the connecting block is rotatably connected with the positioning block mounting seat, and the other end of the connecting block is rotatably connected with the wing plate positioning block.
7. The aluminum alloy semitrailer main longitudinal beam push-down welding device of claim 1, wherein the wing plate positioning block is provided with a third pressing plane, and the third pressing plane is perpendicular to the wing plate supporting surface.
8. The aluminum alloy semitrailer main longitudinal beam push-down welding device of claim 1, further comprising correction blocks, wherein more than two groups of correction blocks are arranged on the tool platform at intervals according to a third preset interval along the second axis, the two groups of correction blocks are symmetrically arranged relative to the first axis, each correction block is provided with an inclined correction surface, and a dihedral angle between each inclined correction surface and the wing plate supporting surface is an obtuse angle.
9. The aluminum alloy semitrailer main longitudinal beam push-down welding device of claim 1, further comprising a first moving frame and a wing plate support frame, wherein the first moving frame is arranged along a third axis, the third axis is perpendicular to the first axis, and the wing plate support frame is arranged on the first moving frame in a sliding mode in a vertical direction.
10. The aluminum alloy semitrailer main longitudinal beam push-down welding device of claim 1, further comprising a rail disposed in a direction parallel to the first axis, a second movable frame slidably disposed on the rail, and a welding gun assembly disposed on the second movable frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111395995.2A CN114012294A (en) | 2021-11-23 | 2021-11-23 | Main longitudinal beam downward-pressing type welding device for aluminum alloy semitrailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111395995.2A CN114012294A (en) | 2021-11-23 | 2021-11-23 | Main longitudinal beam downward-pressing type welding device for aluminum alloy semitrailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114012294A true CN114012294A (en) | 2022-02-08 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20040106957A (en) * | 2003-06-10 | 2004-12-20 | 현대중공업 주식회사 | Elastic bending system for reducing weld deformation in the fillet joint |
| CN209532508U (en) * | 2018-12-19 | 2019-10-25 | 中铁工程装备集团钢结构有限公司 | The H profile steel group of high accuracy positioning founds machine |
| CN110549083A (en) * | 2018-06-01 | 2019-12-10 | 扬州中集通华专用车有限公司 | i-beam assembling equipment and I-beam manufacturing method |
| CN111229882A (en) * | 2020-02-21 | 2020-06-05 | 辽宁忠旺机械设备制造有限公司 | Longitudinal beam bending and assembling tooling equipment and method for large-gooseneck container transport semitrailer |
| CN211638743U (en) * | 2020-02-21 | 2020-10-09 | 福建省闽铝轻量化汽车制造有限公司 | Welding device for aluminum alloy semitrailer girder |
| CN214161933U (en) * | 2020-12-31 | 2021-09-10 | 福建奥瑞斯机器人工程技术有限公司 | Longitudinal beam welding device |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040106957A (en) * | 2003-06-10 | 2004-12-20 | 현대중공업 주식회사 | Elastic bending system for reducing weld deformation in the fillet joint |
| CN110549083A (en) * | 2018-06-01 | 2019-12-10 | 扬州中集通华专用车有限公司 | i-beam assembling equipment and I-beam manufacturing method |
| CN209532508U (en) * | 2018-12-19 | 2019-10-25 | 中铁工程装备集团钢结构有限公司 | The H profile steel group of high accuracy positioning founds machine |
| CN111229882A (en) * | 2020-02-21 | 2020-06-05 | 辽宁忠旺机械设备制造有限公司 | Longitudinal beam bending and assembling tooling equipment and method for large-gooseneck container transport semitrailer |
| CN211638743U (en) * | 2020-02-21 | 2020-10-09 | 福建省闽铝轻量化汽车制造有限公司 | Welding device for aluminum alloy semitrailer girder |
| CN214161933U (en) * | 2020-12-31 | 2021-09-10 | 福建奥瑞斯机器人工程技术有限公司 | Longitudinal beam welding device |
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