CN114619134A

CN114619134A - Gantry type welding device and welding method

Info

Publication number: CN114619134A
Application number: CN202210295647.6A
Authority: CN
Inventors: 张贺; 张铁浩; 曲晓红; 付炳欣; 杨冰冰
Original assignee: CRRC Qingdao Sifang Co Ltd
Current assignee: CRRC Qingdao Sifang Co Ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-06-14
Anticipated expiration: 2042-03-23
Also published as: CN114619134B

Abstract

The invention provides a gantry type welding device and a welding method, wherein the device comprises: the device comprises a track, gantry welding equipment and an assembly welding tool; the track extends along a first direction; the gantry welding equipment is arranged on the track in a sliding mode; the assembling and welding tools are arranged in a welding area of the gantry welding equipment at intervals along the first direction and are used for clamping the workpieces to be welded and preventing the workpieces to be welded from deforming in the welding process; when the gantry welding equipment is used for welding the to-be-welded workpieces in one assembly welding tool, the rest assembly welding tools clamp the rest to-be-welded workpieces. According to the gantry welding device and the gantry welding method, the tooling fixture in gantry welding is prefabricated and subjected to reversible deformation, so that small-deformation welding is realized, and the requirement of multi-station cooperative operation is met.

Description

Gantry type welding device and welding method

Technical Field

The invention relates to the technical field of welding, in particular to a gantry type welding device and a gantry type welding method.

Background

When welding some large-scale workpieces or welding some larger sectional materials, a gantry type welding device is generally adopted for welding. The structure of the existing gantry type welding device adopts a gantry type frame, and a welding robot is hoisted on a movable beam of the frame, so that the welding robot can horizontally move along the movable beam of the frame, and the purpose of welding products below the frame is achieved.

However, the existing welding product cannot meet the requirements of multi-station and synchronous cooperative welding through the clamp, large deformation exists when a large workpiece is welded, and the conventional clamp cannot avoid the problem of reverse deformation of the large workpiece in the multi-station welding process.

Disclosure of Invention

The invention provides a gantry welding device, which is used for solving the defect that the conventional gantry welding product clamp cannot meet the production requirement.

The invention also provides a welding method.

According to a first aspect of the present invention, there is provided a gantry welding apparatus, comprising: the device comprises a track, gantry welding equipment and an assembly welding tool;

the track extends along a first direction;

the gantry welding equipment is arranged on the track in a sliding manner;

the assembling and welding tools are arranged in a welding area of the gantry welding equipment at intervals along the first direction and are used for clamping workpieces to be welded and preventing the workpieces to be welded from deforming in the welding process;

when the gantry welding equipment is used for welding the workpieces to be welded in one assembly welding tool, the rest assembly welding tools are used for clamping the rest workpieces to be welded.

It should be noted that, by providing at least two assembly welding tools, the gantry welding equipment performs welding on one assembly welding tool, and at least one other assembly welding tool performs operations such as clamping or overturning of a workpiece to be welded, so that the utilization rate of the equipment is improved, and waiting is reduced.

According to an embodiment of the present invention, the assembly welding tool includes: the device comprises longitudinal beams, transverse beams, supporting beam assemblies, positioning end assemblies and pushing end assemblies;

the longitudinal beams are arranged at intervals and extend along the first direction;

the cross beams are arranged at intervals along the first direction and are lapped with the longitudinal beams;

the supporting beam assemblies are arranged at intervals along a second direction perpendicular to the first direction, are overlapped with the cross beam and are used for supporting the workpiece to be welded;

the positioning end assembly is arranged at the end part close to one side of the longitudinal beam and is abutted against the workpiece to be welded;

the pushing and tightening end assembly is arranged at the end part close to the other side of the longitudinal beam relative to the positioning end assembly and is abutted against the workpiece to be welded;

the clamping space for clamping the workpiece to be welded along the first direction can be adjusted by the pushing and tightening end component.

Particularly, the embodiment provides an implementation mode of an assembly welding tool, and the longitudinal beams and the transverse beams are arranged, so that the overall structure of the assembly welding tool is more stable, and the phenomenon that a large-size workpiece to be welded moves in the welding process is avoided.

Further, the arrangement of the supporting beam assembly realizes the support of the workpiece to be welded from the bottom.

Furthermore, the positioning end assembly is arranged, so that a positioning reference can be obtained along the first direction of the workpiece to be welded, and the positioning of the workpiece to be welded through the positioning end assembly is facilitated.

Still further, the setting of the push-up end component realizes the range adjustment of the clamping of the workpiece to be welded, and meets the clamping of the workpiece to be welded with different sizes or with certain processing errors in size.

According to one embodiment of the invention, the support beam assembly comprises: the support base, the support adjusting part and the elastic support part;

the supporting base is arranged at the top of the cross beam and extends along the first direction;

the supporting adjusting part is arranged corresponding to the supporting base;

the elastic supporting part is connected with the supporting and adjusting part and is used for being abutted against the workpiece to be welded;

wherein the support base is adjustable in position relative to the cross beam in the second direction;

the support adjusting part can adjust the support height of the elastic supporting part relative to the workpiece to be welded.

Specifically, the embodiment provides an implementation manner of a support beam assembly, the support base plays a role in supporting the support adjusting portion, and the support adjusting portion can adjust the corresponding support height according to different support situation requirements, so as to support the workpiece to be welded through the elastic support portion.

According to one embodiment of the invention, the locating end assembly comprises: the positioning end beam, the positioning base, the positioning end adjusting part and the positioning end pressing arm;

the positioning end cross beam is arranged at the end part of one side close to the longitudinal beam along the second direction;

the positioning bases are in sliding fit with the tops of the positioning end cross beams along the second direction;

the positioning end adjusting part is connected with the positioning base;

one end of the positioning end pressing arm is connected with the positioning end adjusting part, and the other end of the positioning end pressing arm is used for being abutted against the upper surface of the workpiece to be welded;

the positioning end adjusting part is used for adjusting the relative position height of the positioning end pressing arm along the vertical direction and the rotation angle of the positioning end pressing arm in the horizontal direction.

Particularly, this embodiment provides an implementation mode of locating end subassembly, through setting up locating end crossbeam and locating base, has realized providing the benchmark of tip location for treating the welding workpiece, satisfies the clamping of treating the welding workpiece on the assembly welding frock.

Furthermore, through the arrangement of the positioning end adjusting part, the pressing height and the pressing position of the positioning end pressing arm are adjusted, and the pressing requirement on the surface of a workpiece to be welded is met.

According to one embodiment of the invention, the push-and-tighten end assembly comprises: the device comprises a pushing end beam, a pushing first base, a pushing second base, a pushing end first adjusting part, a pushing end second adjusting part, a pushing end pressing arm and a pushing end pressing block;

the pushing end cross beam is arranged at the end part close to the other side of the longitudinal beam relative to the positioning end assembly along the second direction;

the plurality of the pushing first bases are in sliding fit with the tops of the pushing end cross beams along the second direction;

the pushing second base is in sliding fit with the top of the pushing first base along the first direction;

the first adjusting part of the pushing end is arranged at one side end part of the first pushing base and is connected with the second pushing base so as to adjust the relative position of the second pushing base in the first direction;

the second adjusting part of the pushing end and the second pushing base are tightly connected;

one end of the pushing end pressing arm is connected with the second pushing end adjusting part, and the other end of the pushing end pressing arm is used for being abutted against the upper surface of the workpiece to be welded;

the pushing end pressing block is arranged on one side, facing the positioning end assembly, of the pushing second base and is used for being abutted against the side part of the workpiece to be welded;

the second adjusting part of the pushing end is used for adjusting the relative position height of the pressing arm of the pushing end along the vertical direction and the rotating angle of the pressing arm in the horizontal direction.

Particularly, this embodiment provides an implementation mode of pushing away tight end subassembly, pushes away tight end crossbeam, pushes away tight first base and pushes away tight second base through the setting, has realized treating the adjustment of welding the work piece along the clamping space in the first direction, satisfies the not unidimensional work piece clamping demand of waiting to weld.

Furthermore, the cross beam at the tightening end and the first base are arranged in a sliding mode, so that the first base is tightly pushed to be adjusted in the displacement in the second direction, the second base is tightly pushed to be adjusted in the first direction, and the clamping space of workpieces to be welded in different sizes is adjusted.

Furthermore, the first adjusting part of the pushing end provides power for pushing the second base tightly along the movement of the first direction, and the second adjusting part of the pushing end realizes the adjustment of the pressing height and the pressing position of the pressing arm of the pushing end, so that the pressing requirement on the surface of a workpiece to be welded is met.

And furthermore, the pushing end pressing block is abutted against the side part of the workpiece to be welded after the clamping space is adjusted, so that the workpiece to be welded is positioned.

According to an embodiment of the present invention, the assembly welding tool further includes: the pressing device comprises a pressing end beam, a pressing end first base, a pressing end first adjusting part and a pressing end first pressing arm;

the pressing end cross beam is positioned on the side part of the workpiece to be welded and is arranged at the tops of two adjacent longitudinal beams along the second direction;

the first base of the pressing end is in sliding fit with the top of the cross beam of the pressing end along the second direction;

the first pressing end adjusting part is connected with the first pressing end base;

one end of the first pressing arm at the pressing end is connected with the first adjusting part at the pressing end, and the other end of the first pressing arm at the pressing end is used for abutting against the upper surface of the workpiece to be welded;

the first pressing end adjusting part is used for adjusting the relative position height of the first pressing arm of the pressing end along the vertical direction and the rotation angle of the first pressing arm in the horizontal direction;

the first pressing arm at the pressing end is an adjusting arm with adjustable length.

Specifically, the embodiment provides a lateral part pressing mode, and a pressing end beam, a pressing end first base, a pressing end first adjusting part and a pressing end first pressing arm are arranged on the lateral part of a workpiece to be welded, so that pressing force is applied to the lateral part of the workpiece to be welded along a first direction, and the requirement of pressing the workpiece to be welded in the length direction is met.

According to an embodiment of the present invention, the assembly welding tool further includes: the pressing end second base, the pressing end second adjusting part and the pressing end second pressing arm;

the pressing end second base is in sliding fit with the side part of the pressing end cross beam along the second direction;

the second pressing end adjusting part is connected with the second pressing end base;

one end of the second pressing arm at the pressing end is connected with the second adjusting part at the pressing end, and the other end of the second pressing arm at the pressing end is used for being abutted against the upper surface of the workpiece to be welded;

the second pressing end adjusting part is used for adjusting the relative position height of the second pressing arm of the pressing end along the vertical direction and the rotation angle of the second pressing arm in the horizontal direction;

the second pressing arm at the pressing end is an adjusting arm with adjustable length;

the arm spread of the second pressing arm at the pressing end is larger than that of the first pressing arm at the pressing end;

the pressing force of the second pressing arm at the pressing end is greater than that of the first pressing arm at the pressing end.

Specifically, the embodiment provides another implementation of lateral pressing, the second base at the pressing end, the second adjusting portion at the pressing end, and the second pressing arm at the pressing end are arranged to meet the requirement of pressing the lateral part of the workpiece to be welded in a large range, and meanwhile, in the welding process of the gantry welding equipment, the adjustment of the pressing position can be realized through the second base at the pressing end, the second adjusting portion at the pressing end, and the second pressing arm at the pressing end, so that the reversible deformation adjustment of the workpiece to be welded is realized.

According to one embodiment of the invention, the assembly welding tool is internally clamped with two workpieces to be welded which are arranged at intervals along the second direction;

the assembly welding tool further comprises: the pressing end third base, the pressing end third adjusting part and the pressing end third pressing arm are arranged on the pressing end third base;

the third base of the pressing end is arranged at the top of the longitudinal beam between the two workpieces to be welded;

the pressing end third adjusting part is connected with the pressing end third base;

the third pressing arm at the pressing end is connected with the third adjusting part at the pressing end, and the two side ends of the third pressing arm at the pressing end are respectively abutted against the upper surfaces of the two workpieces to be welded;

the pressing end third adjusting part is used for adjusting the relative position height of the pressing end third pressing arm along the vertical direction and the rotation angle of the pressing end third pressing arm in the horizontal direction;

and the third pressing arm at the pressing end is an adjusting arm with adjustable length.

Specifically, the embodiment provides an implementation mode of middle portion pressing, and the pressing end third base, the pressing end third adjusting portion and the pressing end third pressing arm satisfy the problem that when two workpieces to be welded are arranged at intervals along the second direction, due to the distance between the two workpieces to be welded, the pressing force on the tops of the workpieces to be welded is insufficient.

According to an embodiment of the present invention, the assembly welding tool further includes: the pressing end fourth base, the pressing end fourth adjusting part and the pressing end fourth pressing arm;

the pressing end fourth base is arranged at the top of the longitudinal beam between the two workpieces to be welded and is positioned between the two adjacent pressing end third bases;

the pressing end fourth adjusting part is connected with the pressing end fourth base;

the pressing end fourth pressing arm is connected with the pressing end fourth adjusting part, and two side ends of the pressing end fourth pressing arm are respectively abutted against the upper surfaces of the two workpieces to be welded;

the pressing end fourth adjusting part is used for adjusting the relative position height of the pressing end fourth pressing arm along the vertical direction and the rotation angle of the pressing end fourth pressing arm in the horizontal direction;

the fourth pressing arm at the pressing end is an adjusting arm with adjustable length;

the arm spread of the fourth pressing arm at the pressing end is larger than that of the third pressing arm at the pressing end;

and the pressing force of the fourth pressing arm at the pressing end is greater than that of the third pressing arm at the pressing end.

Specifically, the embodiment provides another implementation manner of middle pressing, the pressing end fourth base, the pressing end fourth adjusting portion and the pressing end fourth pressing arm satisfy the problem that when two workpieces to be welded are arranged at intervals along the second direction, due to the distance between the two workpieces to be welded, the pressing force on the top of the workpiece to be welded is insufficient, and meanwhile, the arm extension and the pressing force of the pressing end fourth pressing arm are larger, so that the requirement of large-range pressing between two adjacent workpieces to be welded is met, and the reversible deformation adjustment of the workpieces to be welded is realized.

According to a second aspect of the present invention, there is provided a welding method of the gantry welding apparatus, comprising:

clamping a workpiece to be welded through an assembly welding tool to form a first target to be welded;

welding the first target to be welded through gantry welding equipment, and clamping another workpiece to be welded through another assembly welding tool to form a second target to be welded;

after the welding of the upper surface of the first target to be welded is finished, the gantry welding equipment moves to the second target to be welded for welding, and meanwhile, the first target to be welded is turned over;

after the welding of the upper surface of the second target to be welded is finished, the gantry welding equipment moves to the overturned first target to be welded for welding, and meanwhile, the second target to be welded is overturned;

and after the welding of the first object to be welded is finished, the gantry welding equipment moves to the second object to be welded after being turned over to carry out welding until the welding of the second object to be welded is finished.

One or more technical solutions in the present invention have at least one of the following technical effects: according to the gantry welding device and the gantry welding method, the tool clamp in gantry welding is prefabricated and subjected to reversible deformation, so that small-deformation welding is realized, and the requirement of multi-station cooperative operation is met.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is one of the schematic views of the gantry welding apparatus according to the present invention;

FIG. 2 is a second schematic view of the gantry welding apparatus according to the present invention;

FIG. 3 is a third schematic view of the assembly relationship of the gantry welding apparatus provided by the present invention;

FIG. 4 is a schematic view of the arrangement relationship of longitudinal beams in the gantry welding apparatus provided by the present invention;

FIG. 5 is a schematic view of the arrangement of the cross beams in the gantry welding apparatus according to the present invention;

FIG. 6 is a schematic diagram illustrating the arrangement of support beam assemblies in a gantry welding apparatus according to the present invention;

FIG. 7 is a schematic view of the arrangement of the positioning end assembly, the clamping end assembly and the clamping end in the gantry welding apparatus according to the present invention;

FIG. 8 is a schematic diagram of the arrangement relationship of two workpieces to be welded in the gantry welding apparatus provided by the present invention;

FIG. 9 is a schematic view of the arrangement of the positioning end assemblies in the gantry welding apparatus according to the present invention;

FIG. 10 is a schematic view of the arrangement of the push-and-pull end assembly in the gantry welding apparatus according to the present invention;

fig. 11 is a schematic view of the arrangement relationship of the pressing ends in the gantry welding apparatus provided by the present invention.

Reference numerals:

10. a track;

20. gantry welding equipment;

30. a workpiece to be welded;

40. a stringer;

50. a cross beam;

60. a support beam assembly; 61. a support base; 62. a support adjustment part; 63. an elastic support portion;

70. a positioning end assembly; 71. positioning the end beam; 72. a positioning base; 73. a positioning end adjusting part; 74. positioning the end pressing arm;

80. a push-tight end assembly; 81. tightly pushing the end beam; 82. pushing the first base tightly; 83. pushing the second base tightly; 84. a first adjusting part of the pushing end; 85. a second adjusting part of the pushing end; 86. pushing the end pressing arm tightly; 87. pressing the pushing end;

90. compressing the end beam; 91. a compression end first base; 92. a first adjusting part of the pressing end; 93. a first pressing arm at the pressing end; 94. a second base of the pressing end; 95. a second adjusting part of the pressing end; 96. a second pressing arm at the pressing end; 97. a pressing end third base; 98. a third adjusting part of the pressing end; 99. a third pressing arm at the pressing end; 100. a pressing end fourth base; 101. a fourth adjusting part at the compressing end; 102. and the fourth pressing arm at the pressing end.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In some embodiments of the present invention, as shown in fig. 1 to 11, the present disclosure provides a gantry type welding apparatus, comprising: the device comprises a track 10, gantry welding equipment 20 and an assembly welding tool; the rail 10 extends along a first direction; the gantry welding equipment 20 is arranged on the track 10 in a sliding mode; the plurality of assembly welding tools are arranged in the welding area of the gantry welding equipment 20 at intervals along the first direction and are used for clamping the workpiece 30 to be welded and preventing the workpiece 30 to be welded from deforming in the welding process; when the gantry welding equipment 20 welds the workpieces 30 to be welded in one assembly welding tool, the rest assembly welding tools clamp the rest workpieces 30 to be welded.

In detail, the invention provides a gantry welding device, which is used for solving the defect that the conventional gantry welding product clamp cannot meet the production requirement.

It should be noted that, by providing at least two assembly welding tools, the gantry welding equipment 20 performs welding on one assembly welding tool, and at least one other assembly welding tool performs operations such as clamping or turning over of the workpiece 30 to be welded, so as to improve the utilization rate of the equipment and reduce waiting time.

In a possible implementation mode, the gantry welding structure is adopted, the workpieces to be welded 30 are side walls of rail vehicles, the side walls used by a plurality of rail vehicles are welded at the same time, and cutting is carried out after welding, so that when a plurality of assembly welding tools are provided, the gantry welding equipment 20 is formed to weld one assembly welding tool, and the other assembly welding tools carry out various processes such as clamping, hoisting, overturning, posture adjustment, reverse deformation adjustment and the like, so that the simultaneous implementation of the various processes can be realized, and the working efficiency is improved.

In a possible embodiment, as shown in fig. 1, the rail 10 provided by the present invention has a length of at least 100m, a single-piece section bar has a length of between 16m and 25m, and at least 2 welding areas are provided, and each welding area is provided with a welding assembly.

In a possible embodiment, the gantry welding equipment 20 provided by the invention is provided with two gantry welding equipment, the length of the rail 10 is at least 150m, the length of a single section bar is between 16m and 25m, the gantry welding equipment is provided with at least 6 welding areas, and each welding area is internally provided with an assembly welding tool.

In a possible embodiment, the gantry welding apparatus 20 provided by the present invention employs friction stir welding.

In some possible embodiments of the present invention, the assembly welding tool includes: longitudinal beams 40, cross beams 50, support beam assemblies 60, locating end assemblies 70, and push end assemblies 80; the longitudinal beams 40 are arranged at intervals, and the longitudinal beams 40 extend along a first direction; the plurality of cross beams 50 are arranged at intervals along the first direction and are lapped with the longitudinal beams 40; a plurality of backbar assemblies 60 are spaced apart in a second direction perpendicular to the first direction and overlap the cross beam 50 for supporting the workpiece 30 to be welded; the positioning end assembly 70 is arranged at the end part close to one side of the longitudinal beam 40 and is abutted against the workpiece 30 to be welded; the tightening end assembly 80 is disposed at an end portion close to the other side of the end assembly 70 located opposite to the longitudinal beam 40, and abuts against the workpiece 30 to be welded.

Wherein, the tightening end component 80 can adjust a clamping space for clamping the workpiece 30 to be welded along a first direction.

Specifically, the present embodiment provides an implementation manner of an assembly welding fixture, and the longitudinal beam 40 and the cross beam 50 are arranged, so that the overall structure of the assembly welding fixture is more stable, and the large-size workpieces 30 to be welded are prevented from shifting in the welding process.

Further, the provision of the backbar assembly 60 provides for bottom support of the workpiece 30 to be welded.

Further, the positioning end assembly 70 is arranged to enable the to-be-welded workpiece 30 to obtain a positioning reference along the first direction, so that the to-be-welded workpiece 30 can be positioned through the positioning end assembly 70.

Still further, the arrangement of the tightening end component 80 realizes the range adjustment of the clamping of the workpiece 30 to be welded, and meets the clamping of the workpieces 30 to be welded with different sizes or with certain processing errors in the sizes.

In some possible embodiments of the present invention, support beam assembly 60 includes: a support base 61, a support adjusting portion 62, and an elastic support portion 63; the support base 61 is disposed on the top of the beam 50 and extends in a first direction; the support adjusting part 62 is arranged corresponding to the support base 61; the elastic support portion 63 is connected to the support regulating portion 62 for abutting against the workpiece 30 to be welded.

Wherein the support base 61 is adjustable in a second direction relative to the cross beam 50; the support adjusting portion 62 can adjust the support height of the elastic support portion 63 with respect to the workpiece 30 to be welded.

Specifically, the present embodiment provides an implementation of the support beam assembly 60, wherein the support base 61 plays a role of supporting the support adjusting portion 62, and the support adjusting portion 62 can adjust a corresponding support height according to different support situation requirements, so as to support the workpiece 30 to be welded through the elastic support portion 63.

In a possible embodiment, the mating surfaces of the cross beam 50 and the support base 61 are provided with slide rails, and the support base 61 is moved along the extension direction of the slide rails to adjust the relative position with the cross beam 50.

In a possible embodiment, a displacement adjusting mechanism may be disposed between the support base 61 and the cross beam 50 to enable the support base 61 to achieve the adjustment of the relative position through the displacement adjusting mechanism.

In possible embodiments, the displacement adjustment mechanism of the support base 61 comprises a form of gear transmission, belt transmission, electromagnetic induction, electric drive, hydraulic drive, etc.

In a possible embodiment, the support adjustment part 62 is a telescopic mechanism that can adjust the support height.

In a possible embodiment, the telescopic mechanism for adjusting the height of the supporting and adjusting part 62 is any one or a combination of several of a lifting table, an air cylinder, a hydraulic cylinder and an electric cylinder.

In some possible embodiments of the present invention, the locating end assembly 70 comprises: a positioning end beam 71, a positioning base 72, a positioning end adjusting part 73 and a positioning end pressing arm 74; the positioning end cross beam 71 is arranged at one side end part close to the longitudinal beam 40 along the second direction; the plurality of positioning bases 72 are in sliding fit with the tops of the positioning end beams 71 in the second direction; the positioning end adjusting part 73 is connected with the positioning base 72; one end of the positioning end pressing arm 74 is connected to the positioning end adjusting portion 73, and the other end of the positioning end pressing arm 74 is used to abut against the upper surface of the workpiece 30 to be welded.

The positioning end adjusting portion 73 is used for adjusting the relative position height of the positioning end pressing arm 74 in the vertical direction and the rotation angle in the horizontal direction.

Specifically, the embodiment of the positioning end assembly 70 is provided, and by providing the positioning end beam 71 and the positioning base 72, a reference for positioning the end of the workpiece 30 to be welded is provided, so that the clamping of the workpiece 30 to be welded on the assembly welding tool is met.

Further, through the arrangement of the positioning end adjusting part 73, the adjustment of the pressing height and the pressing position of the positioning end pressing arm 74 is realized, and the pressing requirement on the surface of the workpiece 30 to be welded is met.

In a possible embodiment, the matching surface of the positioning end beam 71 and the positioning base 72 is provided with a slide rail, and the movement of the positioning base 72 along the extension direction of the slide rail realizes the adjustment of the relative position between the positioning end beam 71 and the positioning base.

In a possible embodiment, a displacement adjusting mechanism may be disposed between the positioning base 72 and the positioning end beam 71 to enable the positioning base 72 to achieve the relative position adjustment through the displacement adjusting mechanism.

In possible embodiments, the displacement adjustment mechanism of the positioning base 72 includes a form of gear transmission, belt transmission, electromagnetic induction, electric drive, hydraulic drive, or the like.

In a possible embodiment, the positioning end adjusting portion 73 is a telescopic mechanism that can adjust the height of the positioning end pressing arm 74.

In a possible embodiment, the height adjusting telescopic mechanism of the positioning end adjusting part 73 is any one or a combination of several of a lifting platform, an air cylinder, a hydraulic cylinder and an electric cylinder.

In some possible embodiments of the invention, the push-on tip assembly 80 comprises: a pushing end beam 81, a pushing first base 82, a pushing second base 83, a pushing end first adjusting part 84, a pushing end second adjusting part 85, a pushing end pressing arm 86 and a pushing end pressing block 87; the pushing end cross beam 81 is arranged at the end part close to the other side of the opposite positioning end assembly 70 of the longitudinal beam 40 along the second direction; the plurality of pushing first bases 82 are in sliding fit with the tops of the pushing end cross beams 81 along the second direction; the pushing second base 83 is in sliding fit with the top of the pushing first base 82 along the first direction; the first adjusting part 84 is arranged at one side end of the first pushing base 82 and connected with the second pushing base 83 to adjust the relative position of the second pushing base 83 in the first direction; the second adjusting portion 85 of the pushing end and the second base 83 are pushed tightly; one end of the pushing end pressing arm 86 is connected with the pushing end second adjusting part 85, and the other end of the pushing end pressing arm 86 is used for abutting against the upper surface of the workpiece 30 to be welded; the pushing end pressing block 87 is disposed on one side of the pushing second base 83 facing the positioning end assembly 70, and is used for abutting against the side of the workpiece 30 to be welded.

Wherein, the second adjusting portion 85 of the pushing end is used for adjusting the relative position height of the pushing end pressing arm 86 along the vertical direction and the rotation angle in the horizontal direction.

Specifically, the embodiment provides an implementation manner of the tightening end assembly 80, and by providing the tightening end cross beam 81, the tightening first base 82 and the tightening second base 83, the clamping space of the workpiece 30 to be welded along the first direction is adjusted, and the clamping requirements of workpieces 30 to be welded with different sizes are met.

Further, the pushing end cross beam 81 and the pushing first base 82 are arranged in a sliding mode, so that the pushing first base 82 can be adjusted to move in the second direction, meanwhile, the pushing second base 83 can be adjusted to push the first base 82 in the first direction, and the clamping space of the to-be-welded workpieces 30 with different sizes can be adjusted.

Further, the first adjusting portion 84 of the pushing end is configured to provide power for the movement of the pushing second base 83 along the first direction, and the second adjusting portion 85 of the pushing end is configured to adjust the pressing height and the pressing position of the pushing end pressing arm 86, so as to meet the pressing requirement of the surface of the workpiece 30 to be welded.

Further, after the clamping space is adjusted, the pushing end pressing block 87 abuts against the side portion of the workpiece 30 to be welded, so that the workpiece 30 to be welded is positioned.

In a possible embodiment, the surface of the pressing block 87 at the pushing end, which is abutted against the workpiece 30 to be welded, is provided with a vibration damping structure, so that the pressing block 87 at the pushing end is prevented from being in hard contact with the workpiece 30 to be welded.

In a possible embodiment, the first adjusting portion 84 of the pushing end is any one of an air cylinder, a hydraulic cylinder, and an electric cylinder.

In a possible embodiment, the second adjusting portion 85 is a telescopic mechanism capable of adjusting the height of the pressing arm 86.

In a possible embodiment, the telescopic mechanism for adjusting the height of the second adjusting portion 85 at the tightening end is any one or a combination of a lifting platform, an air cylinder, a hydraulic cylinder and an electric cylinder.

In a possible embodiment, the upper surfaces of the pushing end beam 81 and the pushing first base 82 are provided with slide rails to realize the relative position adjustment of the pushing first base 82 and the pushing second base 83.

In a possible embodiment, a displacement adjusting mechanism may be disposed between the pushing end beam 81 and the pushing first base 82 to enable the positioning base 72 to achieve the relative position adjustment through the displacement adjusting mechanism.

In possible embodiments, the displacement adjustment mechanism that pushes against the first base 82 includes a gear transmission, a belt transmission, electromagnetic induction, electric drive, hydraulic drive, and the like.

In a possible embodiment, the pushing end pressing arm 86 is an electric telescopic arm with an adjustable extension length, and a pressing head for pressing the workpiece 30 to be welded is arranged on the pushing end pressing arm 86.

In some possible embodiments of the present invention, the assembly welding tool further includes: a pressing end cross beam 90, a pressing end first base 91, a pressing end first adjusting part 92 and a pressing end first pressing arm 93; the pressing end cross beam 90 is positioned at the side part of the workpiece 30 to be welded and is arranged at the top of two adjacent longitudinal beams 40 along the second direction; the compression end first base 91 is in sliding fit with the top of the compression end cross beam 90 along the second direction; the pressing end first regulating part 92 is connected with the pressing end first base 91; one end of the pressing end first pressing arm 93 is connected to the pressing end first adjusting portion 92, and the other end of the pressing end first pressing arm 93 is used for abutting against the upper surface of the workpiece 30 to be welded.

The first pressing end adjusting part 92 is used for adjusting the relative position height of the first pressing end arm 93 along the vertical direction and the rotation angle in the horizontal direction; the first pressing arm 93 at the pressing end is an adjusting arm with adjustable length.

Specifically, the present embodiment provides a lateral pressing mode, and the pressing end cross beam 90, the pressing end first base 91, the pressing end first adjusting part 92 and the pressing end first pressing arm 93 which are arranged at the lateral part of the workpiece 30 to be welded realize that the pressing force is applied to the lateral part of the workpiece 30 to be welded along the first direction, so as to satisfy the pressing in the length direction of the workpiece 30 to be welded.

In a possible embodiment, the top of the pressing end beam 90 is provided with a slide rail, and the pressing end first base 91 is slidably connected with the top of the pressing end beam 90 through the slide rail, so as to press the upper surface of the workpiece 30 to be welded from different positions from the side.

In a possible embodiment, the top of the pressing end beam 90 is provided with a limiting mechanism for limiting the displacement of the pressing end first base 91 along the second direction, and the pressing end first base 91 is manually adjusted to the corresponding position and then is positioned by the limiting mechanism.

In a possible embodiment, the limiting mechanism is a limiting screw respectively arranged at two sides of the first base 91 of the pressing end along the second direction.

In a possible embodiment, the pressing end first adjusting portion 92 is a telescopic mechanism capable of adjusting the height of the pressing end first pressing arm 93.

In a possible embodiment, the telescopic mechanism for adjusting the height of the first pressing end adjusting part 92 is any one or a combination of a lifting table, an air cylinder, a hydraulic cylinder and an electric cylinder.

In a possible embodiment, the pressing end first pressing arm 93 is an electric telescopic arm with an adjustable extension length, and a pressing head for pressing the workpiece 30 to be welded is arranged on the pressing end first pressing arm 93.

In a possible embodiment, the maximum pressing force of the pressing head of the pressing end first pressing arm 93 is not less than 40KN, and is adjustable according to the relative height between the pressing end first pressing arm 93 and the workpiece 30 to be welded.

In some possible embodiments of the present invention, the assembly welding tool further includes: a pressing end second base 94, a pressing end second regulating portion 95, and a pressing end second pressing arm 96; the compression end second base 94 is in sliding engagement with the side of the compression end beam 90 in the second direction; the pressing end second regulating portion 95 is connected to the pressing end second base 94; one end of the pressing end second pressing arm 96 is connected to the pressing end second adjusting portion 95, and the other end of the pressing end second pressing arm 96 is used for abutting against the upper surface of the workpiece 30 to be welded.

The second pressing end adjusting part 95 is used for adjusting the relative position height of the second pressing end arm 96 along the vertical direction and the rotation angle in the horizontal direction; the second pressing arm 96 at the pressing end is an adjusting arm with adjustable length; the extension of the second pressing arm 96 at the pressing end is greater than that of the first pressing arm 93 at the pressing end; the pressing force of the pressing-end second pressing arm 96 is larger than that of the pressing-end first pressing arm 93.

Specifically, the present embodiment provides another implementation of lateral pressing, the second pressing end base 94, the second pressing end adjusting portion 95, and the second pressing end arm 96 are arranged to meet the requirement of pressing the lateral side of the workpiece 30 to be welded in a wide range, and meanwhile, in the welding process of the gantry welding equipment 20, the adjustment of the pressing position can be realized through the second pressing end base 94, the second pressing end adjusting portion 95, and the second pressing end arm 96, so as to realize the reversible deformation adjustment of the workpiece 30 to be welded.

In a possible embodiment, the side of the pressing end beam 90 is provided with a slide rail, and the pressing end second base 94 is slidably connected with the side of the pressing end beam 90 through the slide rail, so as to press the upper surface of the workpiece 30 to be welded from different positions on the side.

In a possible embodiment, the pressing end second base 94 effects adjustment of displacement in the second direction at the side of the pressing end beam 90 by means of a displacement adjustment mechanism.

In possible embodiments, the displacement adjustment mechanism of the second pressing end base 94 includes a gear transmission, a belt transmission, an electromagnetic induction, an electric drive, a hydraulic drive, and the like.

In a possible embodiment, the pressing end second adjusting portion 95 is a telescopic mechanism that can adjust the height of the pressing end second pressing arm 96.

In a possible embodiment, the angle adjustment of the height of the second adjusting portion 95 is realized by a transmission mechanism formed by a motor and a gear, the motor transmits power to a corresponding connecting rod through the gear, and the connecting rod drives the second pressing arm 96 of the pressing end to rotate, so as to realize the angle adjustment.

In a possible embodiment, the telescopic mechanism for adjusting the height of the second adjusting portion 95 at the pressing end is any one or a combination of several of a lifting table, an air cylinder, a hydraulic cylinder and an electric cylinder.

In a possible embodiment, the pressing end second pressing arm 96 is an electric telescopic arm with an adjustable extension length, and the pressing end first pressing arm 93 is provided with a pressing head for pressing the workpiece 30 to be welded.

In a possible embodiment, the maximum pressing force of the pressing head of the pressing end second pressing arm 96 is not less than 40KN, and is adjustable according to the relative height between the pressing end second pressing arm 96 and the workpiece 30 to be welded.

In some possible embodiments of the present invention, the assembly welding tool has two workpieces 30 to be welded, which are spaced apart along the second direction; the assembly welding frock still includes: a pressing end third base 97, a pressing end third regulating portion 98, and a pressing end third pressing arm 99; the third base 97 at the pressing end is arranged at the top of the longitudinal beam 40 between the two workpieces 30 to be welded; the pressing end third regulating portion 98 is connected to the pressing end third base 97; the pressing end third pressing arm 99 is connected to the pressing end third adjusting portion 98, and both side ends of the pressing end third pressing arm 99 are respectively abutted against the upper surfaces of the two workpieces 30 to be welded.

The pressing end third adjusting part 98 is used for adjusting the relative position height of the pressing end third pressing arm 99 along the vertical direction and the rotation angle in the horizontal direction; the third pressing arm 99 at the pressing end is an adjusting arm with adjustable length.

Specifically, the embodiment provides an implementation mode of middle pressing, and the pressing end third base 97, the pressing end third adjusting portion 98 and the pressing end third pressing arm 99 satisfy the problem that when two workpieces 30 to be welded are arranged at intervals along the second direction, the pressing force on the top of the workpiece 30 to be welded is insufficient due to the distance between the two workpieces 30 to be welded, and by arranging the pressing end third base 97, the pressing end third adjusting portion 98 and the pressing end third pressing arm 99 between the two workpieces 30 to be welded, the above problem is overcome, and the reversible deformation adjustment of the workpieces 30 to be welded is realized.

In a possible embodiment, the pressing end third adjusting portion 98 is a telescopic mechanism capable of adjusting the height of the pressing end third pressing arm 99.

In a possible embodiment, the height-adjusting telescopic mechanism of the third adjusting portion 98 at the pressing end is any one or a combination of several of a lifting table, an air cylinder, a hydraulic cylinder and an electric cylinder.

In a possible embodiment, the pressing end third pressing arm 99 is an electric telescopic arm with an adjustable extending length, the pressing end third pressing arm 99 can be adjusted back to back and opposite to realize simultaneous pressing of two adjacent workpieces 30 to be welded, and a pressing head for pressing the workpieces 30 to be welded is arranged on the pressing end third pressing arm 99.

In a possible embodiment, the maximum pressing force of the pressing head of the pressing end third pressing arm 99 is not less than 40KN, and is adjustable according to the relative height between the pressing end third pressing arm 99 and the workpiece 30 to be welded.

In some possible embodiments of the present invention, the assembly welding tool further includes: a pressing end fourth base 100, a pressing end fourth adjusting part 101 and a pressing end fourth pressing arm 102; the pressing end fourth base 100 is arranged at the top of the longitudinal beam 40 between two workpieces 30 to be welded and is positioned between two adjacent pressing end third bases 97; the pressing end fourth adjusting part 101 is connected with the pressing end fourth base 100; the pressing end fourth pressing arm 102 is connected to the pressing end fourth adjusting portion 101, and both side ends of the pressing end fourth pressing arm 102 are respectively abutted to the upper surfaces of the two workpieces 30 to be welded.

The pressing end fourth adjusting part 101 is used for adjusting the relative position height of the pressing end fourth pressing arm 102 along the vertical direction and the rotation angle in the horizontal direction; the fourth pressing arm 102 at the pressing end is an adjusting arm with adjustable length; the arm spread of the fourth pressing arm 102 at the pressing end is greater than that of the third pressing arm 99 at the pressing end; the pressing force of the pressing end fourth pressing arm 102 is greater than that of the pressing end third pressing arm 99.

Specifically, the present embodiment provides another embodiment of middle pressing, where the pressing end fourth base 100, the pressing end fourth adjusting portion 101, and the pressing end fourth pressing arm 102 satisfy a problem that when two workpieces to be welded 30 are spaced apart in the second direction, due to a spacing distance between the two workpieces to be welded 30, a pressing force on the top of the workpiece to be welded 30 is insufficient, and at the same time, the arm extension and the pressing force of the pressing end fourth pressing arm 102 are larger, so that a requirement of performing a large-range pressing between two adjacent workpieces to be welded 30 is satisfied, and a reverse deformation adjustment on the workpieces to be welded 30 is achieved.

In a possible embodiment, the pressing end fourth adjusting portion 101 is a telescopic mechanism capable of adjusting the height of the pressing end fourth pressing arm 102.

In a possible embodiment, the telescopic mechanism for adjusting the height of the fourth adjusting part 101 at the pressing end is any one or a combination of a lifting table, an air cylinder, a hydraulic cylinder and an electric cylinder.

In a possible embodiment, the pressing end fourth pressing arm 102 is an electric telescopic arm with an adjustable extending length, the pressing end fourth pressing arm 102 can be adjusted back and forth to realize simultaneous pressing of two adjacent workpieces 30 to be welded, and a pressing head for pressing the workpieces 30 to be welded is arranged on the pressing end fourth pressing arm 102.

In a possible embodiment, the maximum pressing force of the pressing head of the pressing end fourth pressing arm 102 is not less than 40KN, and is adjustable according to the relative height between the pressing end fourth pressing arm 102 and the workpiece 30 to be welded.

In some embodiments of the present invention, the present disclosure provides a welding method of the gantry welding apparatus, including:

clamping a workpiece 30 to be welded through an assembly welding tool to form a first target to be welded;

welding a first object to be welded through the gantry welding equipment 20, and clamping another workpiece to be welded 30 through another assembly welding tool to form a second object to be welded;

after the welding of the upper surface of the first target to be welded is finished, the gantry welding equipment 20 moves to the second target to be welded for welding, and meanwhile, the first target to be welded is turned over;

after the welding of the upper surface of the second object to be welded is finished, the gantry welding equipment 20 moves to the first object to be welded after being turned over to weld, and meanwhile, the second object to be welded is turned over;

after the welding of the first object to be welded is finished, the gantry welding equipment 20 moves to the second object to be welded after being turned over to perform welding until the welding of the second object to be welded is finished.

In a possible embodiment, the welding method provided by the scheme is friction stir welding.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

Reference throughout this specification to the description of "one embodiment," "some embodiments," "a manner," "a particular manner," or "some manner" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or manner is included in at least one embodiment or manner of an embodiment of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or mode. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or modes. Furthermore, various embodiments or modes described in this specification, as well as features of various embodiments or modes, may be combined and combined by those skilled in the art without contradiction.

Finally, it should be noted that: the above embodiments are merely illustrative of the present invention and are not to be construed as limiting the invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and the technical solution of the present invention is covered by the claims of the present invention.

Claims

1. A gantry welding apparatus, comprising: the device comprises a track, gantry welding equipment and an assembly welding tool;

the track extends along a first direction;

the gantry welding equipment is arranged on the track in a sliding mode;

2. The gantry welding device of claim 1, wherein the assembly welding tool comprises: the device comprises a longitudinal beam, a transverse beam, a supporting beam assembly, a positioning end assembly and a pushing end assembly;

the supporting beam assemblies are arranged at intervals along a second direction perpendicular to the first direction, are overlapped with the cross beam and are used for supporting the workpieces to be welded;

3. The gantry welding apparatus of claim 2, wherein said support beam assembly comprises: the support base, the support adjusting part and the elastic support part;

the supporting adjusting part is arranged corresponding to the supporting base;

the support adjusting part can adjust the support height of the elastic support part relative to the workpiece to be welded.

4. The gantry welding apparatus of claim 2, wherein said positioning end assembly comprises: the positioning end beam positioning base, the positioning end adjusting part and the positioning end pressing arm;

the positioning end adjusting part is connected with the positioning base;

5. The gantry welding apparatus of claim 2, wherein said push-tip assembly comprises: the device comprises a pushing end beam, a pushing first base, a pushing second base, a pushing end first adjusting part, a pushing end second adjusting part, a pushing end pressing arm and a pushing end pressing block;

the plurality of the pushing first bases are in sliding fit with the top of the pushing end cross beam along the second direction;

6. The gantry welding apparatus according to any one of claims 2 to 5, wherein said assembly welding tool further comprises: the pressing device comprises a pressing end beam, a pressing end first base, a pressing end first adjusting part and a pressing end first pressing arm;

the pressing end cross beam is positioned on the side part of the workpiece to be welded and is arranged at the top of two adjacent longitudinal beams along the second direction;

7. The gantry welding device of claim 6, wherein said assembly welding tool further comprises: the pressing end second base, the pressing end second adjusting part and the pressing end second pressing arm;

8. The gantry welding device according to any one of claims 2 to 5, wherein two workpieces to be welded are arranged in the assembly welding tool at intervals along the second direction;

the third pressing end base is arranged at the top of the longitudinal beam between the two workpieces to be welded;

9. The gantry welding apparatus of claim 8, wherein said assembly welding tool further comprises: the pressing end fourth base, the pressing end fourth adjusting part and the pressing end fourth pressing arm;

the pressing end fourth pressing arm is connected with the pressing end fourth adjusting part, and two side ends of the pressing end fourth pressing arm are respectively abutted to the upper surfaces of the two workpieces to be welded;

10. A method for welding the gantry welding apparatus of any one of claims 1 to 9, comprising:

welding the first object to be welded through gantry welding equipment, and simultaneously clamping the other workpiece to be welded through the other assembling and welding tool to form a second object to be welded;