Automatically flipping welding tool

Abstract

This invention discloses an automatically flipping welding fixture, comprising a fixture platform, several plate positioning modules, a frame clamping mechanism, and a flipping mechanism. The fixture platform has a welding hole in the center for placing the workpiece. The frame clamping mechanism and the several plate positioning modules are spaced apart around the welding hole. The frame clamping mechanism clamps the frame of the workpiece, and the plate positioning modules position the plate for welding to the frame. The flipping mechanism drives the fixture platform to flip the workpiece, enabling multi-sided welding. This invention achieves automatic positioning of the workpiece material and can adapt to the production of various specifications of workpieces by simply adjusting some mechanisms. It offers high production efficiency, good product consistency, and significantly reduces the labor intensity and work risks for workers.

Description

Technical Field

[0001] The invention relates to the technical field of automated welding, and in particular to an automatically flipping welding tool. Background Art

[0002] At present, large-scale frame steel components such as footboards for construction have the characteristics of large dimensions, low cutting accuracy, large welding deformation, and small production batches. However, ordinary fixtures can only be used for single product production, so only some simple automatic flip welding fixtures can be used, which are not suitable for automated production. Generally, welders assemble and weld on the ground. However, manual or simple fixture welding has low production efficiency, high labor intensity, and poor consistency of welded products, which is not convenient for subsequent splicing and use. Summary of the invention

[0003] The purpose of the present invention is to provide an automatic flipping welding tool, which can realize automatic positioning of welding workpiece materials and adapt to the production of welding workpieces of various specifications by simply adjusting some mechanisms. It has high production efficiency, good product consistency, and greatly reduces the labor intensity and work risks of workers.

[0004] In order to achieve the above purpose, the following technical solutions are adopted:

[0005] An automatically flipping welding tool comprises a tooling platform, a plurality of plate positioning modules, a frame clamping mechanism, and a flipping mechanism; a welding hole for placing a welding workpiece is provided in the middle of the tooling platform, and the frame clamping mechanism and a plurality of plate positioning modules are spaced and distributed around the welding hole; the frame clamping mechanism is used to clamp the frame of the welding workpiece, and the plate positioning module is used to position the plate of the welding workpiece so as to facilitate welding with the frame; the flipping mechanism is used to drive the tooling platform to flip the welding workpiece, so as to realize multi-sided welding of the welding workpiece.

[0006] Preferably, the flipping mechanism includes a flipping mounting frame, an active arm, a driven arm, and a flipping drive motor; the active arm and the driven arm are respectively rotatably connected to the two ends of the flipping mounting frame via a rotating shaft, and the tooling platform is erected between the active arm and the driven arm; the flipping drive motor is used to drive the active arm and the driven arm to drive the tooling platform to flip.

[0007] Preferably, a secondary positioning mechanism is provided on the outer side of the driven arm, and the secondary positioning mechanism is installed on the flip mounting frame; a positioning hole is respectively provided on the upper and lower parts of the driven arm symmetrically to the rotation axis of the driven arm; the secondary positioning mechanism includes a secondary positioning drive cylinder and a positioning pin shaft, and the secondary positioning drive cylinder is used to drive the positioning pin shaft in and out of the positioning hole to achieve positioning.

[0008] Preferably, the frame clamping mechanism includes a plurality of first clamping modules, a plurality of second clamping modules, a plurality of third clamping modules, and a plurality of fourth clamping modules; the plurality of first clamping modules and the plurality of third clamping modules are respectively installed on both sides of the welding hole in the width direction, and are used to clamp the frames on both sides of the welding workpiece in the width direction; the plurality of second clamping modules and the plurality of fourth clamping modules are respectively installed on both sides of the welding hole in the length direction, and are used to clamp the frames on both sides of the welding workpiece in the length direction.

[0009] Preferably, the first clamping module, the second clamping module, the third clamping module and the fourth clamping module all include a clamping drive cylinder, a clamping block and a clamping abutment block, and the clamping drive cylinder is used to drive the clamping block to move closer to or away from the clamping abutment block; the clamping movement directions of the first clamping module and the third clamping module are consistent; and the clamping movement directions of the second clamping module and the fourth clamping module are consistent.

[0010] Preferably, a first crossbeam is provided at one end of the welding hole, and an origin positioning block is provided on one side of the other end; an origin positioning groove is provided on the origin positioning block for initial positioning of the welding workpiece; a plurality of adjustment holes are provided on the tooling platform on both sides in the length direction of the welding hole, and the two ends of the first crossbeam are detachably connected to the tooling platform through the adjustment holes; the plurality of third clamping modules are installed on the first crossbeam.

[0011] Preferably, a plurality of second beams are arranged at intervals between the first beam and the other end of the welding hole; both ends of the second beams are detachably connected to the tooling platform via adjustment holes; and each second beam is equipped with at least one fourth clamping module.

[0012] Preferably, the automatically flipping welding tooling also includes a plurality of plate pressing modules, which are distributed on the first crossbeam and the tooling platform on the other three sides of the welding hole; the plate pressing module includes a plate pressing cylinder, a first mounting frame, a pressing arm, and a pressing head; the middle part of the pressing arm is hinged on the first mounting frame, one end of the pressing arm is driven and connected to the plate pressing cylinder, and the other end is installed with a pressing head; the plate pressing cylinder is used to drive the pressing arm to drive the pressing head to press the plate from the top.

[0013] Preferably, the automatically flipping welding tooling also includes a plurality of rib clamping modules for clamping ribs; a plurality of third beams are staggered between the plurality of second beams, and both ends of the third beams are detachably connected to the tooling platform via adjustment holes, and at least one rib clamping module is provided on each third beam; the rib clamping module includes a rib clamping cylinder, a rib clamping block, and a rib abutment block, and the rib clamping cylinder is used to drive the rib clamping block to approach or move away from the rib abutment block.

[0014] Preferably, the plate positioning module includes a plate positioning cylinder, a second mounting frame, and a plate positioning block; one end of the plate positioning block is hinged to the plate positioning cylinder, and the hinge between the two is rotationally connected to the second mounting frame; the plate positioning cylinder is used to drive the plate positioning block to abut against the edge of the plate for positioning.

[0015] By adopting the above scheme, the beneficial effects of the present invention are:

[0016] The present invention uses the first beam, the second beam, and the third beam to be detachably connected to the tooling platform. By adjusting the positions of the three beams, the production of welding workpieces of various specifications can be met; the welding workpiece is flipped by the flipping mechanism, and secondary positioning is performed after flipping to achieve double-sided welding. At the same time, the automatic positioning of the welding workpiece material can be achieved through the plate positioning module, the plate pressing module, and the frame clamping mechanism, with high production efficiency, good product consistency, and greatly reduced labor intensity and work risks of workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a top-down perspective stereogram of the present invention;

[0018] Figure 2 for Figure 1 A three-dimensional view of the steel plate and the protective cover of the secondary positioning mechanism that eliminates the need for welding workpieces;

[0019] Figure 3 A three-dimensional diagram of the secondary positioning mechanism of the present invention;

[0020] Figure 4 It is a bottom-up perspective stereogram of the present invention;

[0021] Figure 5 It is a three-dimensional diagram of the tooling platform, frame clamping mechanism, and rib clamping mechanism of the present invention;

[0022] Figure 6 A three-dimensional diagram of a plate positioning module of the present invention;

[0023] Figure 7 A three-dimensional diagram of the first / second / third / fourth clamping module of the present invention;

[0024] Figure 8 A three-dimensional diagram of a plate pressing module of the present invention;

[0025] Fig. 9 A three-dimensional diagram of the rib clamping module of the present invention;

[0026] The accompanying drawings illustrate:

[0027] 1—tooling platform, 2—plate positioning module,

[0028] 3-frame clamping mechanism, 4-flipping mechanism,

[0029] 5—secondary positioning mechanism, 6—first beam,

[0030] 7—Origin positioning block, 8—Second beam,

[0031] 9—plate pressing module, 10—rib clamping module,

[0032] 11—third beam, 12—welding workpiece,

[0033] 21 - Plate positioning cylinder, 22 - Second mounting frame,

[0034] 23 - plate positioning block, 31 - first clamping module,

[0035] 32 - second clamping module, 33 - third clamping module,

[0036] 34 - fourth clamping module, 41 - flip mounting frame,

[0037] 42—active arm, 43—active arm,

[0038] 44—flip drive motor, 51—secondary positioning drive cylinder,

[0039] 52—positioning pin shaft, 53—positioning hole,

[0040] 91 - Plate pressing cylinder, 92 - First mounting frame,

[0041] 93—pressing arm, 94—pressing head,

[0042] 101—rib clamping cylinder, 102—rib clamping block,

[0043] 103—rib abutment block, 121—first frame,

[0044] 122—second border, 123—third border,

[0045] 124—fourth frame, 125—steel plate,

[0046] 126—rib, 311—clamping drive cylinder,

[0047] 312—clamping block, 313—clamping abutment block. DETAILED DESCRIPTION

[0048] The present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0049] Reference Figures 1 to 9As shown, the present invention provides an automatically flipping welding tool, comprising a tooling platform 1, a plurality of plate positioning modules 2, a frame clamping mechanism 3, and a flipping mechanism 4; a welding hole for placing a welding workpiece 12 is opened in the middle of the tooling platform 1, and the frame clamping mechanism 3 and a plurality of plate positioning modules 2 are spaced apart and distributed around the welding hole; the frame clamping mechanism 3 is used to clamp the frame of the welding workpiece 12, and the plate positioning module 2 is used to position the plate of the welding workpiece 12 for welding with the frame; the flipping mechanism 4 is used to drive the tooling platform 1 to flip the welding workpiece 12, so as to realize multi-sided welding of the welding workpiece 12.

[0050] The flip mechanism 4 includes a flip mounting frame 41, an active arm 42, a driven arm 43, and a flip driving motor 44; the active arm 42 and the driven arm 43 are respectively connected to the two ends of the flip mounting frame 41 via a rotating shaft, and the tooling platform 1 is set up between the active arm 42 and the driven arm 43; the flip driving motor 44 is used to drive the active arm 42 and the driven arm 43 to drive the tooling platform 1 to flip. A secondary positioning mechanism 5 is provided on the outer side of the driven arm 43, and the secondary positioning mechanism 5 is installed on the flip mounting frame 41; the upper and lower parts of the driven arm 43 are symmetrical to the rotating shaft of the driven arm 43, respectively, and a positioning hole 53 is provided; the secondary positioning mechanism 5 includes a secondary positioning driving cylinder 51 and a positioning latch shaft 52, and the secondary positioning driving cylinder 51 is used to drive the positioning latch shaft 52 to enter and exit the positioning hole 53 to achieve positioning.

[0051] The frame clamping mechanism 3 includes a plurality of first clamping modules 31, a plurality of second clamping modules 32, a plurality of third clamping modules 33, and a plurality of fourth clamping modules 34; the plurality of first clamping modules 31 and the plurality of third clamping modules 33 are respectively installed on both sides of the welding hole in the width direction, and are used to clamp the frame on both sides of the welding workpiece 12 in the width direction; the plurality of second clamping modules 32 and the plurality of fourth clamping modules 34 are respectively installed on both sides of the welding hole in the length direction, and are used to clamp the frame on both sides of the welding workpiece 12 in the length direction. The first clamping module 31, the second clamping module 32, the third clamping module 33, and the fourth clamping module 34 all include a clamping drive cylinder 311, a clamping block 312, and a clamping abutment block 313. The clamping drive cylinder 311 is used to drive the clamping block 312 to move closer to or away from the clamping abutment block 313; the clamping movement directions of the first clamping module 31 and the third clamping module 33 are consistent; the clamping movement directions of the second clamping module 32 and the fourth clamping module 34 are consistent.

[0052] A first crossbeam 6 is provided at one end of the welding hole, and an origin positioning block 7 is provided at one side of the other end; an origin positioning groove is provided on the origin positioning block 7 for initial positioning of the welding workpiece 12; a plurality of adjustment holes are provided on the tooling platform 1 on both sides of the length direction of the welding hole, and the two ends of the first crossbeam 6 are detachably connected to the tooling platform 1 through the adjustment holes; the plurality of third clamping modules 33 are installed on the first crossbeam 6. A plurality of second crossbeams 8 are arranged at intervals between the first crossbeam 6 and the other end of the welding hole; the two ends of the second crossbeam 8 are detachably connected to the tooling platform 1 through the adjustment holes; each second crossbeam 8 is installed with at least one fourth clamping module 34.

[0053] The automatic flipping welding tooling also includes a plurality of plate pressing modules 9, which are distributed on the first crossbeam 8 and the tooling platform 1 on the other three sides of the welding hole; the plate pressing module 9 includes a plate pressing cylinder 91, a first mounting frame 92, a pressing arm 93, and a pressing head 94; the middle part of the pressing arm 93 is hinged on the first mounting frame 92, one end of the pressing arm 93 is drivingly connected to the plate pressing cylinder 91, and the other end is installed with a pressing head 94; the plate pressing cylinder 91 is used to drive the pressing arm 93 to drive the pressing head 94 to press the plate from the top.

[0054] The automatically flipping welding tooling also includes a plurality of rib clamping modules 10 for clamping the ribs 126; a plurality of third beams 11 are staggered between the plurality of second beams 8, and both ends of the third beams 11 are detachably connected to the tooling platform 1 via adjustment holes, and at least one rib clamping module 10 is provided on each third beam 11; the rib clamping module 10 includes a rib clamping cylinder 101, a rib clamping block 102, and a rib abutment block 103, and the rib clamping cylinder 101 is used to drive the rib clamping block 102 to approach or move away from the rib abutment block 103.

[0055] The plate positioning module 2 includes a plate positioning cylinder 21, a second mounting frame 22, and a plate positioning block 23; one end of the plate positioning block 23 is hinged to the plate positioning cylinder 21, and the hinge between the two is rotatably connected to the second mounting frame 22; the plate positioning cylinder 21 is used to drive the plate positioning block 23 to abut against the edge of the plate for positioning.

[0056] Working principle of the present invention:

[0057] The present invention can be used to cooperate with a welding robot to weld building protective foot pedals of different sizes and other similar products. The plate positioning module 3, the plate pressing module 9, and the cylinders in the frame clamping mechanism 3 are controlled by a pneumatic hand valve box. Each pneumatic hand valve in the pneumatic hand valve box controls the operation of a type of cylinder. After each weldment is manually placed, the relevant hand valve is rotated to position and clamp the welded workpiece 12. For example, a number of second clamping modules 32 are controlled by the same pneumatic hand valve, a number of plate positioning modules 2 are controlled by the same pneumatic hand valve, a number of plate pressing modules 9 are controlled by the same pneumatic hand valve, and a number of rib clamping modules 10 that clamp the same rib 126 are controlled by the same pneumatic hand valve, so that each pneumatic hand valve can position and clamp a weldment, and both positioning and clamping use compressed air as power.

[0058] The first crossbeam 6, the second crossbeam 8, and the third crossbeam 11 are detachably connected to the tooling platform 1 via adjustment holes. Several plate positioning modules 2, several plate pressing modules 9, and the frame clamping mechanism 3 on the tooling platform 1 are all detachably connected to the tooling platform 1, and can be quickly disassembled and assembled. The operator can freely combine them according to the size of the welding workpiece.

[0059] like Figure 5 As shown, the first clamping module 31 and the third clamping module 33 clamp the first frame 121 and the third frame 123 along direction A, and the second clamping module 32 and the fourth clamping module 34 clamp the first frame 121 and the third frame 123 along direction B, that is, clamp in the same direction, rather than clamping from the outside to the middle (in opposite directions), so as to avoid the product being unable to be well separated from the tooling (cannot be taken out) due to deformation after welding is completed.

[0060] The present invention also includes a base, and the turning mechanism 4 is mounted on the base. A protective cover is provided on the outer side of each cylinder in the plate positioning module 2, the plate pressing module 9, and the frame clamping mechanism 3, and a protective cover is also provided on the outer side of the secondary positioning mechanism 5. The overall structure is compact, stable and safe.

[0061] In a specific embodiment, the welding workpiece 12 includes a first frame 121, a second frame 122, a third frame 123, and a fourth frame 124 connected end to end, which are clamped by a first clamping module 31, a second clamping module 32, a third clamping module 33, and a fourth clamping module 34 respectively. A steel plate 125 (plate material) is provided on the top of the first frame 121, the second frame 122, the third frame 123, and the fourth frame 124, and a plurality of ribs 126 are welded between the first frame 121, the second frame 122, the third frame 123, and the fourth frame 124, and the ribs 126 are arranged along the length direction parallel to the first frame 121 and the third frame 123.

[0062] At both ends of the welding hole of the tooling platform 1, one end is a fixed end, and a plurality of first clamping modules 31 are installed on the end. In order to save space, the first clamping module 31 is installed at the bottom of the tooling platform 1, and the origin positioning block 7 is also installed on the end. The origin positioning groove is set at a right angle (but not limited to a right angle), which is used to locate the end where the first frame 121 and the second frame 122 are connected, and plays the role of initial positioning. The other end of the welding hole of the tooling platform 1 is a movable end, and the first beam 6 is detachably installed on the end. The third clamping module 33 is installed on the first beam 6, and the position of the first beam 6 can be adjusted according to the size change of the welding workpiece 12, and the position of the second beam 8 can be adjusted at the same time.

[0063] In order to ensure the horizontality of the welding surface, a positioning hole 53 is set symmetrically to the rotation axis of the driven arm 43 at the upper and lower parts of the driven arm 43. When the front of the product needs to be welded, the secondary positioning drive cylinder 51 drives the positioning pin shaft 52 to be inserted into the positioning hole 53 at the upper part of the driven arm 43, so that accurate positioning on the 0° welding surface can be achieved; after the external robot has welded the front of the product, when the back of the product needs to be welded, the flip mechanism 4 drives the tooling platform 1 to flip 180°, and the secondary positioning drive cylinder 51 drives the positioning pin shaft 52 to be inserted into the positioning hole 53 at the lower part of the driven arm 43, so that accurate positioning on the 180° welding surface can be achieved, and then the robot welds the back of the product, accurately achieving positioning at the two positions of 0° and 180°. Further, according to actual needs, positioning holes 53 can be opened at other positions of the driven arm 43. As long as the opened positioning holes 53 can be aligned with the positioning pin shaft 52 after the driven arm 43 rotates, the positioning of welding surfaces at other angles can be achieved.

[0064] Working process of the present invention:

[0065] 1) According to the size of the welding workpiece 12, the positions of the first beam 6, the second beam 8, and the third beam 11 on the tooling platform 1 are adjusted to adjust the positions of the third clamping module 33, the fourth clamping module 34, the plate pressing module 9, the plate positioning module 2, and the rib clamping module 10 installed on the beams;

[0066] 2) Place the first frame 121 (short side) to the welding hole, position one end of the first frame 121 through the origin positioning block 7, and control the first clamping module 31 to clamp and position the first frame 121 through the pneumatic hand valve box;

[0067] 3) Place the second frame 122 (long side) to the welding hole, position one end of the second frame 122 (the end connected to the first frame 121) through the origin positioning block 7, and control the second clamping module 32 to clamp the second frame 122 into position through the pneumatic hand valve box;

[0068] 4) Place the rib 126 on the rib clamping module 10. The rib clamping module 10 on each third beam 11 clamps the same rib 126 to position it. The rib clamping module 10 is controlled by a pneumatic manifold to clamp the rib 126 to position it.

[0069] 5) Place the third frame 123 (short side) to the welding hole, and control the third clamping module 33 to clamp the third frame 123 in place by using the pneumatic hand valve box;

[0070] 6) Place the fourth frame 124 (long side) on the welding hole, and control the fourth clamping module 34 to clamp the fourth frame 124 in place by using the pneumatic hand valve box;

[0071] 7) The steel plate 125 is placed on the top of the first frame 121, the second frame 122, the third frame 123, and the fourth frame 124, and the plate positioning modules 2 are controlled by the pneumatic hand valve box to work, and the plate positioning blocks 23 thereof abut against the top of the frame and the edge of the steel plate 125 to achieve positioning of the steel plate 125;

[0072] 8) Controlling a plurality of plate pressing modules 9 through a pneumatic hand valve box to press the steel plate 125 from the top of the steel plate 125 to the top of the frame;

[0073] 9) The secondary positioning drive cylinder 51 drives the positioning pin shaft 52 to insert into the positioning hole 53 on the upper part of the driven arm 43 to realize secondary positioning, externally weld the connection between the steel plate 125 and the frame, the outer side of the connection between the frames and other places that need welding;

[0074] 10) The turning mechanism 4 drives the tooling platform 1 to turn the welding workpiece 12 180°, and the secondary positioning drive cylinder 51 drives the positioning latch shaft 52 to insert into the positioning hole 53 at the lower part of the driven arm 43 to achieve secondary positioning, so as to facilitate the external welding of the ribs 126 and other places that need welding;

[0075] 11) After welding is completed, the secondary positioning is released, and the flip mechanism 4 drives the tooling platform 1 to reset.

[0076] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic flip welding tool, characterized in that: It includes a tooling platform, several plate positioning modules, a frame clamping mechanism, and a flipping mechanism; a welding hole for placing a welding workpiece is opened in the middle of the tooling platform, and the frame clamping mechanism and several plate positioning modules are spaced and distributed around the welding hole; the frame clamping mechanism is used to clamp the frame of the welding workpiece, and the plate positioning module is used to position the plate of the welding workpiece so as to facilitate welding with the frame; the flipping mechanism is used to drive the tooling platform to flip the welding workpiece to achieve multi-sided welding of the welding workpiece; The frame clamping mechanism includes a plurality of first clamping modules, a plurality of second clamping modules, a plurality of third clamping modules, and a plurality of fourth clamping modules; the plurality of first clamping modules and the plurality of third clamping modules are respectively installed on both sides of the width direction of the welding hole, and are used to clamp the frames on both sides of the width direction of the welding workpiece; the plurality of second clamping modules and the plurality of fourth clamping modules are respectively installed on both sides of the length direction of the welding hole, and are used to clamp the frames on both sides of the length direction of the welding workpiece; The clamping movement directions of the first clamping module and the third clamping module are consistent; the clamping movement directions of the second clamping module and the fourth clamping module are consistent; The plate positioning module comprises a plate positioning cylinder, a second mounting frame, and a plate positioning block; one end of the plate positioning block is hinged to the plate positioning cylinder, and the hinge of the two is rotatably connected to the second mounting frame; the plate positioning cylinder is used to drive the plate positioning block to abut against the edge of the plate for positioning; The flip mechanism includes a flip mounting frame, an active arm, a driven arm, and a flip driving motor; the active arm and the driven arm are respectively rotatably connected to the two ends of the flip mounting frame via a rotating shaft, and the tooling platform is erected between the active arm and the driven arm; the flip driving motor is used to drive the active arm and the driven arm to drive the tooling platform to flip; A secondary positioning mechanism is provided on the outer side of the driven arm, and the secondary positioning mechanism is installed on the flip mounting frame; a positioning hole is respectively provided on the upper and lower parts of the driven arm symmetrically to the rotation axis of the driven arm; the secondary positioning mechanism includes a secondary positioning drive cylinder and a positioning latch shaft, and the secondary positioning drive cylinder is used to drive the positioning latch shaft to enter and exit the positioning hole to achieve positioning; A first crossbeam is provided at one end of the welding hole, and an origin positioning block is provided on one side of the other end; an origin positioning groove is provided on the origin positioning block for initial positioning of the welding workpiece; a plurality of adjustment holes are provided on the tooling platform on both sides in the length direction of the welding hole, and the two ends of the first crossbeam are detachably connected to the tooling platform through the adjustment holes; the plurality of third clamping modules are installed on the first crossbeam.

2. The automatic flip welding tool according to claim 1 is characterized in that: The first clamping module, the second clamping module, the third clamping module and the fourth clamping module all include a clamping drive cylinder, a clamping block and a clamping abutment block. The clamping drive cylinder is used to drive the clamping block to move closer to or away from the clamping abutment block.

3. The automatic flip welding tool according to claim 1 is characterized in that: A plurality of second beams are arranged at intervals between the first beam and the other end of the welding hole; the two ends of the second beam are detachably connected to the tooling platform through the adjustment hole; and each second beam is equipped with at least one fourth clamping module.

4. The automatic flip welding tool according to claim 1, characterized in that: The automatic flipping welding tooling also includes a number of plate pressing modules, which are distributed on the tooling platform on the first crossbeam and the other three sides of the welding hole; the plate pressing module includes a plate pressing cylinder, a first mounting frame, a pressing arm, and a pressing head; the middle part of the pressing arm is hinged on the first mounting frame, one end of the pressing arm is driven and connected to the plate pressing cylinder, and the other end is installed with a pressing head; the plate pressing cylinder is used to drive the pressing arm to drive the pressing head to press the plate from the top.

5. The automatic flip welding tool according to claim 3 is characterized in that: The automatically flipping welding tooling also includes a plurality of rib clamping modules for clamping ribs; a plurality of third beams are staggered between the plurality of second beams, and both ends of the third beams are detachably connected to the tooling platform via adjustment holes, and at least one rib clamping module is provided on each third beam; the rib clamping module includes a rib clamping cylinder, a rib clamping block, and a rib abutment block, and the rib clamping cylinder is used to drive the rib clamping block to approach or move away from the rib abutment block.

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