CN107775203B - Stacking and welding device for thin-wall stamping plate - Google Patents

Stacking and welding device for thin-wall stamping plate Download PDF

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Publication number
CN107775203B
CN107775203B CN201610710578.5A CN201610710578A CN107775203B CN 107775203 B CN107775203 B CN 107775203B CN 201610710578 A CN201610710578 A CN 201610710578A CN 107775203 B CN107775203 B CN 107775203B
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plate
pressing
inner circle
assembly
cylinder
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CN107775203A (en
Inventor
董银
王方
潘佐梅
唐景龙
陈根余
陈燚
高云峰
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Han s Laser Technology Industry Group Co Ltd
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Han s Laser Technology Industry Group Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K33/00—Specially-profiled edge portions of workpieces for making soldering or welding connections; Filling the seams formed thereby
    • B23K33/004—Filling of continuous seams
    • B23K33/006—Filling of continuous seams for cylindrical workpieces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0426—Fixtures for other work
    • B23K37/0435—Clamps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

The invention relates to the technical field of laser processing, and discloses a stacking and welding device for thin-wall stamping plates, which comprises a transmission assembly, a swing arm cylinder inner circle pressing assembly, an outer circle rotating support assembly and an outer circle pressing buckling plate assembly, wherein the swing arm cylinder inner circle pressing assembly is arranged on the transmission assembly; the plate group is arranged on the transmission assembly and can move up and down under the action of the transmission assembly; the upper end of the transmission assembly is provided with a swing arm cylinder inner circle pressing assembly and an outer circle rotating support assembly which are used for pressing an inner circle and supporting an outer circle during welding; the lower end of the transmission assembly is provided with an excircle pressing and buckling plate assembly used for pressing and buckling the excircle of the plate group during welding. The invention can realize the stacking penetration welding of the thin-wall sheet, the components do not interfere with each other and act together, the expected welding effect can be achieved, and the invention has simple structure, high efficiency, reasonability and good welding quality.

Description

Stacking and welding device for thin-wall stamping plate
Technical Field
The invention relates to the technical field of laser welding, in particular to a stacking and welding device for thin-wall stamping sheets.
Background
When welding to the interior excircle of thin wall punching press slab, it is easier when independently welding to the interior circle of slab and excircle respectively, but when adopting the mode of welding earlier the interior circle and then adding slab welding excircle to pile up continuous welding, interior circle compresses tightly subassembly and excircle and compresses tightly mutual noninterference in subassembly structure and the technology, do not influence the realization comparatively difficult. Because there is unevenness cooling circuit along with the shape on thin wall punching press sheet surface, increased the degree of difficulty to the inseparable laminating of sheet inner, excircle, circle and excircle in the sheet all reserve about 9 mm's welding width, will realize supporting distance, compress tightly distance, welding width, shielding gas width etc. in this width range, also improved the degree of difficulty. In addition, because the sheet is thin, the sheet is easy to be heated and deformed in the welding process, and the thermal stress deformation is difficult to realize effective control; good surface quality is required for stacked welded sheets and gas shielding is required for the upper and rear surfaces of the sheets.
Disclosure of Invention
The invention aims to provide a stacking and welding device for thin-wall stamping sheets, aiming at solving the technical problems in the prior art, which can realize the stacking and penetrating welding of the thin-wall sheets, has the advantages of non-interference and combined action of all components, capability of achieving the expected welding effect, simple structure, high efficiency, reasonability and good welding quality.
In order to solve the problems proposed above, the technical scheme adopted by the invention is as follows:
a stacking and welding device for thin-wall punching plates comprises a transmission assembly, an inner circle pressing assembly of a swing arm cylinder, an outer circle rotating support assembly and an outer circle pressing buckling plate assembly;
the plate group is arranged on the transmission assembly and can move up and down under the action of the transmission assembly; the upper end of the transmission assembly is provided with a swing arm cylinder inner circle pressing assembly and an outer circle rotating support assembly which are used for pressing an inner circle and supporting an outer circle during welding; the lower end of the transmission assembly is provided with an excircle pressing and buckling plate assembly used for pressing and buckling the excircle of the plate group during welding.
The transmission assembly comprises a servo motor, a T-shaped speed reducer, a motor fixing plate, a speed reducer coupler, a speed reducer connecting shaft, a right-angle speed reducer, a ball screw, a moving sliding table, a bracket, a supporting base and a base, wherein the supporting base is installed on the base, the motor fixing plate is also installed on the base, and the ball screw is symmetrically installed on the supporting base; the servo motor is arranged on the motor fixing plate, an output shaft of the servo motor is connected with an input end of a T-shaped speed reducer, and two output ends of the T-shaped speed reducer are respectively connected with a speed reducer coupler and a speed reducer connecting shaft in sequence; each speed reducer connecting shaft is sequentially connected with the output end of a right-angle speed reducer, the right-angle speed reducer is connected with a ball screw, and a moving sliding table is mounted on the ball screw; the upper end of the supporting base is provided with a bracket for placing the plate, and the bracket is connected with the moving sliding table; and the support base is provided with a dust cover for preventing dust of the right-angle speed reducer and the ball screw.
The ball screw is characterized in that guide rails are further arranged on the supporting base and located on two sides of the ball screw, the moving sliding table is matched with the guide rails and provided with a guide rail clamp, and the guide rail clamp is used for clamping the guide rails.
The swing arm cylinder inner circle pressing assembly comprises a top plate, a cylinder fixing seat, a swing arm cylinder connecting arm, a rotating shaft and an inner circle pressing block, wherein the top plate is installed above a supporting base of the transmission assembly, and the swing arm cylinder is installed on the top plate through the cylinder fixing seat; one end of the swing arm cylinder connecting arm is connected with the swing arm cylinder, and the other end of the swing arm cylinder connecting arm is provided with a rotating shaft; an inner circle pressing block is arranged at the end of the rotating shaft and used for pressing the inner circle of the plate set.
The inner circle pressing block is hollow, an air hole communicated with the inner cavity is formed in the side face of the inner circle pressing block, a through hole is formed in the middle of the inner circle pressing block, an arc-shaped groove is formed in the top end of the through hole, an inner circle protection air cover plate is arranged in the groove, and the inner circle protection air cover plate form a sealed protection air cavity for carrying out air protection on the front face and the back face of the;
and a coaxial blowing nozzle is arranged above the inner circle protection gas cover plate and on the external welding head and used for blowing protection on the inner circle of the plate during welding.
The outer circle rotation supporting assembly comprises a thin-wall cylinder, a cylinder connecting block, a cylinder connecting rod, a turntable connecting shaft, a turntable pressing disc and a rotating disc, wherein the thin-wall cylinder is arranged on the top plate and is connected with one end of the cylinder connecting rod through the cylinder connecting block; the other end of the cylinder connecting rod is connected with a turntable connecting shaft, and the rotating disk is arranged on the large round hole of the top plate and is connected with the turntable connecting shaft; and a rotary telescopic disc is also arranged on the inner circle of the rotary disc.
A turntable pressing disc is arranged between the inner circle of the large circular hole of the top plate and the rotating disc and is used for pressing the rotating disc when the rotating disc rotates; and the rotary telescopic disc is also provided with air holes, and protective gas is introduced during welding for protecting the back of the plate.
A strip-shaped hole is further processed on the rotating disc, and the rotating pin is installed on the top plate and located in the strip-shaped hole and used for guiding the rotating telescopic disc.
The excircle pressing buckling plate component comprises a support frame, a gas-liquid pressure cylinder, a piston plate, a bottom piston, a flange sheet, a top hinge head, an external guide rod, a guide rod connecting column, a guide seat and a buckling plate, wherein the support frame is arranged on a base, and the gas-liquid pressure cylinder is arranged at the lower end of the support frame; the piston plate is movably arranged on the support frame and is connected with the gas-liquid pressure cylinder; the piston plate is provided with a bottom piston, the end part of the bottom piston sequentially penetrates through the piston plate and the top end of the support frame and is connected with a top end hinge head, and an external guide rod is sleeved outside the top end hinge head; the flange sheet is sleeved at the end part of the bottom piston and is arranged on the supporting frame;
the top of outside guide arm is provided with the guide holder, and the tip of withholding board articulates the top at top hinge head through the guide bar spliced pole for compress tightly panel group inner circle.
Before the buckling and pressing plate presses the plate sheet tightly, an outer circle pressing plate is pre-attached to the plate sheet, and a pressing plate connecting rod is arranged in the middle of the outer circle pressing plate; the excircle pressing plate is of a plate sheet profiling structure.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the stack penetration welding of the thin-wall sheet is realized through the transmission assembly, the swing arm cylinder inner circle pressing assembly, the outer circle rotation supporting assembly and the outer circle pressing buckling plate assembly, the inner circles (two) of two sheets which are attached together are firstly subjected to penetration welding, then one sheet is newly added, the outer circles of the sheets are attached according to the specific direction of the sheets and subjected to penetration welding, the three sheets form a group until all the sheet groups are stacked and welded, the assemblies do not interfere with each other and act together, the expected welding effect can be achieved, and the thin-wall sheet stacking welding device has a simple, high-efficiency and reasonable structure and good welding quality.
2. According to the invention, the transmission assembly adopts a servo motor to drive the ball screws on two sides through the T-shaped speed reducer, so that the moving sliding table moves up and down simultaneously, the control is convenient, and the synchronism is good; the guide rail clamp is arranged between the moving sliding table and the guide rail, the holding force of the clamp can reach 3300N to the maximum, after the plate set moves to a certain height, the guide rail is tightly clamped by the guide rail clamp, and the phenomenon that the welding precision is influenced because the transmission assembly is slightly displaced downwards due to large tensile force and gravity at the upper end is prevented.
3. The inner circle pressing assembly of the swing arm cylinder only presses the edge area of the inner circle when the inner circle is welded, the structure is simplified, and the swing arm cylinder swings upwards by 120 degrees after the inner circle is welded, so that interference on outer circle welding is avoided, and the problem of discontinuous outer circle welding is solved; and the swing arm cylinder keeps the moment to be 1500Nm, can guarantee enough that the interior circle is closely laminated and is compressed tightly.
4. The excircle rotation supporting component supports the plates when the inner circles and the outer circles of the plates are welded, so that good technological conditions are provided for welding, the rotation supporting component retracts after welding is completed, the plates integrally descend by the height of one group of plates, and the next group of plates are welded.
5. According to the excircle pressing buckling plate component, two groups of buckling plates extend out of the inner circle of a plate, and are driven by a gas-liquid pressure cylinder to provide enough tensile force to press the excircle of the plate through tightening the profiled excircle pressing plate; the buckling and pressing plate moves upwards after the outer circle is welded, the structure shrinkage is reduced, the interference on the inner circle welding cannot be caused, and the structure is simple and the function is reliable.
6. The coaxial blowing nozzle is arranged on a welding head and used for carrying out gas protection on the outer surface of a sheet bar in the welding process; the rotary telescopic disc is provided with air holes, so that the back of the plate is protected by gas, and favorable conditions are provided for good surface welding quality.
Drawings
Fig. 1 is a schematic structural diagram of a stack welding device for thin-wall punched sheets.
Fig. 2 is a schematic structural view of a multi-stack plate stack according to the present invention.
Fig. 3 is a schematic structural diagram of the transmission assembly of the present invention.
Fig. 4 is a schematic structural diagram of the swing arm cylinder inner circle pressing assembly of the invention.
FIG. 5 is a schematic structural view of the cylindrical rotation support assembly of the present invention.
FIG. 6 is a schematic structural view of the outer cylindrical hold-down plate assembly of the present invention.
Fig. 7 is a partial schematic view of a stack welding apparatus for thin-walled stamped sheets of the present invention.
Fig. 8 is a partial schematic view of a stack welding apparatus for thin-walled stamped sheet of the present invention.
Description of reference numerals: 1-transmission assembly, 2-swing arm cylinder inner circle pressing assembly, 3-outer circle rotation supporting assembly, 4-outer circle pressing buckling plate assembly, 11-servo motor, 12-T type speed reducer, 13-motor fixing plate, 14-speed reducer coupler, 15-speed reducer connecting shaft, 16-right angle speed reducer, 17-ball screw, 18-motion sliding table, 19-bracket, 110-dust cover, 111-supporting base, 112-base, 113-guide rail clamp, 21-top plate, 22-cylinder fixing seat, 23-swing arm cylinder, 24-swing arm cylinder connecting arm, 25-rotating shaft, 26-inner circle pressing block, 27-inner circle protecting gas cover plate, 28-coaxial blowing nozzle, 31-thin wall cylinder, 3-outer circle rotation supporting assembly, 23-outer circle pressing buckling plate assembly, 24-motion sliding table, 26-dust cover, 111, 32-cylinder connecting block, 33-cylinder connecting rod, 34-rotary table connecting shaft, 35-rotary table pressing disc, 36-rotary disc, 37-rotary pin, 38-rotary telescopic disc, 41-support frame, 42-gas-liquid pressure cylinder, 43-piston plate, 44-bottom piston, 45-flange plate, 46-top hinge head, 47-external guide rod, 48-guide rod connecting column, 49-guide seat, 410-pressing plate, 411-external pressing plate and 412-pressing plate connecting rod
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The invention provides a stacking and welding device for thin-wall punching plates, wherein a plurality of groups of plates are stacked as shown in figure 1, the stacking and welding device comprises a transmission assembly 1, a swing arm cylinder inner circle pressing assembly 2, an outer circle rotating support assembly 3 and an outer circle pressing buckling plate assembly 4, and the device is shown in figure 2.
The plate group is arranged on the transmission component 1 and can move up and down under the action of the transmission component 1; the upper end of the transmission assembly 1 is provided with a swing arm cylinder inner circle pressing assembly 2 and an outer circle rotating support assembly 3 which are used for pressing an inner circle and supporting the outer circle during welding; the lower end of the transmission assembly 1 is provided with an excircle pressing and buckling plate assembly 4 which is used for pressing and buckling the excircle of the plate assembly during welding.
As shown in fig. 3, the transmission assembly 1 includes a servo motor 11, a T-shaped speed reducer 12, a motor fixing plate 13, a speed reducer coupler 14, a speed reducer connecting shaft 15, a right-angle speed reducer 16, a ball screw 17, a moving slide table 18, a bracket 19, a support base 111, and a base 112, wherein the support base 111 is installed on the base 112, the motor fixing plate 13 is also installed on the base 112, and the ball screws 17 are symmetrically installed on the support base 111. The servo motor 11 is installed on the motor fixing plate 13, an output shaft of the servo motor is connected with an input end of a T-shaped speed reducer 12, and two output ends of the T-shaped speed reducer 12 are respectively connected with a speed reducer coupler 14 and a speed reducer connecting shaft 15 in sequence. Every speed reducer connecting axle 15 connects gradually the output of right angle speed reducer 16, right angle speed reducer 16 is connected with ball screw 17, install motion slip table 18 on the ball screw 17. The upper end of the supporting base 111 is provided with a bracket 19 for placing the plate, and the bracket 19 is connected with the moving sliding table 18.
In the above, the support base 111 is provided with the dust cover 110 for preventing dust from the reduction gear box 16 and the ball screw 17, thereby ensuring the operational reliability thereof.
In the foregoing, the two sides of the support base 111 and located on the ball screw 17 are further provided with guide rails (not shown in the figure), the moving sliding table 18 is matched with the guide rails and is provided with the guide rail clamp 113 for clamping the guide rails, that is, the upper end and the lower end of the guide rail clamp 113 are respectively connected with the moving sliding table 18 and the guide rails, so as to prevent the moving sliding table 18 from generating small displacement due to large pulling force and gravity in the welding process, which results in small displacement of the plate set, thereby affecting the welding quality.
In the invention, the transmission assembly 1 adopts a servo motor 11, a T-shaped speed reducer 12 and a right-angle speed reducer 16 to realize simultaneous ascending and descending movement of the ball screw 17 and the moving sliding table 18 on the left side and the right side. The servo motor 11 works, power is transmitted to the T-shaped speed reducer 12 and the right-angle speed reducer 16, the ball screw 17 is driven to rotate, the moving sliding tables 18 and the bracket 19 are driven to ascend and descend, namely, the rotating motion in the horizontal direction of the servo motor 11 is converted into the bracket 19 and the plate group on the bracket 19 to ascend and descend in the vertical direction, the problem of synchronism of ascending and descending of the moving sliding tables 18 on the two sides is solved, and the control is more convenient.
As shown in fig. 4, the swing arm cylinder inner circle pressing assembly 2 includes a top plate 21, a cylinder fixing seat 22, a swing arm cylinder 23, a swing arm cylinder connecting arm 24, a rotating shaft 25, and an inner circle pressing block 26, wherein the top plate 21 is installed above the supporting base 111 of the transmission assembly 1, and the swing arm cylinder 23 is installed on the top plate 21 through the cylinder fixing seat 22. And one end of the swing arm air cylinder connecting arm 24 is connected with the swing arm air cylinder 23, and the other end is provided with a rotating shaft 25. An inner circle pressing block 26 is arranged at the end of the rotating shaft 25 and used for pressing the inner circle of the plate set.
In the foregoing, the inner chamber cavity of interior round compact heap 26, its side processing has the gas pocket with the inner chamber intercommunication, the middle part processing of interior round compact heap 26 has the through-hole, the top of through-hole forms convex recess, be provided with interior round protection gas apron 27 in the recess (refer to shown in figure 7), the clearance between them is very little and form sealed protection air cavity, protective gas lets in to the gas pocket of interior round compact heap 26, act on the front on the slab through its inner chamber and protection air cavity, the part protective gas that blows down can get into the slab back, carry out the auxiliary protection to the slab back, the gas protection has been realized carrying out to the slab front and back promptly, thereby good interior round welding surface quality has been guaranteed.
In the above, a coaxial blowing nozzle 28 is installed above the inner circle protection gas cover plate 27 and on the external welding head, and is used for blowing protection to the inner circle of the plate during welding.
In the invention, the swing arm cylinder inner circle pressing assembly 2 controls two swing arm cylinders 23 to press or release the inner circles on two sides of the sheet bar through one electromagnetic valve, namely the swing arm cylinders 23 work, and the swing arm cylinder connecting arms 24 and the rotating shaft 25 drive the inner circle pressing blocks 26 to move, so that the inner circles on two sides of the sheet bar are pressed or released. The holding torque of the swing arm cylinder 23 is 1500Nm, and the swing arm cylinder has enough force to ensure that the inner circles of the two sheets are completely attached, and the inner circle pressing block 26 only presses the area around the inner circle of the sheet, so that the structure is simplified. After the inner circle is welded, the swing arm cylinder swings upwards by 120 degrees, so that interference on the outer circle can be avoided, and the continuity in welding the outer circle is ensured.
As shown in fig. 5, the outer circle rotation support assembly 3 includes a thin-wall cylinder 31, a cylinder connecting block 32, a cylinder connecting rod 33, a turntable connecting shaft 34, a turntable pressing plate 35, and a rotating plate 36, wherein the thin-wall cylinder 31 is mounted on the top plate 21, and the thin-wall cylinder 31 is connected to one end of the cylinder connecting rod 33 through the cylinder connecting block 32. The other end of the cylinder connecting rod 33 is connected with a turntable connecting shaft 34, and a rotating disk 36 is installed on the large round hole of the top plate 21 and connected with the turntable connecting shaft 34. In this embodiment, the rotary disk 36 is mounted on the top plate 21 by a spring, so that the reliability of its operation can be ensured. The inner circle of the rotating disc 36 is also provided with a rotating telescopic disc 38 which can be telescopic when the rotating disc 36 rotates, so that the outer circle of the plate is supported. The rotary telescopic disc 38 is also provided with air holes, and protective gas is introduced during welding to protect the back of the plate.
In the above, a turntable pressing plate 35 is disposed between the inner circle of the large circular hole of the top plate 21 and the rotating plate 36, and is used for pressing the rotating plate 36 when the rotating plate 36 rotates.
In the above, a strip-shaped hole is formed in the rotating disc 36, and the rotating pin 37 is mounted on the top plate 21 and located in the strip-shaped hole for guiding the rotating telescopic disc 38. In this embodiment, in order to ensure the operational reliability, 10 strip-shaped holes are uniformly processed on the rotating disk 36.
In the invention, the outer circle rotation supporting component 3 is driven by the thin-wall cylinder 31, the thin-wall cylinder 31 moves to drive the rotating disc 36 connected with the rotating disc connecting shaft 34 to rotate, and the rotary telescopic disc 38 slides along the strip-shaped hole on the rotating disc 36 under the guiding action of the rotating pin 37 and the pressing action of the rotating disc pressing disc 35, so that the extending and retracting actions of the rotary telescopic disc 38 are realized, and the plate is supported. Because the welding inner circle and the welding outer circle need to support the plate, the plate can be tightly pressed, and good welding quality is obtained.
As shown in fig. 6, the outer circle pressing buckling plate assembly 4 includes a supporting frame 41, an air-liquid pressurizing cylinder 42, a piston plate 43, a bottom end piston 44, a flange plate 45, a top end hinge head 46, an external guide rod 47, a guide rod connecting column 48, a guide seat 49, and a buckling plate 410, wherein the supporting frame 41 is installed on the base 112, and the air-liquid pressurizing cylinder 42 is installed at the lower end of the supporting frame 41. The piston plate 43 is movably mounted on the support frame 41 and is connected with the gas-liquid pressurizing cylinder 42. The piston plate 43 is provided with a bottom piston 44, the end part of the bottom piston passes through the piston plate 43 and the top end of the support frame 41 in sequence and is connected with a top hinge head 46, and an external guide rod 47 is sleeved outside the top hinge head 46. The flange plate 45 is sleeved on the end of the bottom piston 44 and is mounted on the support frame 41. In this embodiment, the piston plate 43 is symmetrically provided with bottom pistons 44 for reliability of operation.
The top end of the external guide rod 47 is provided with a guide seat 49, and the end part of the buckling plate 410 is hinged to the top end of the top end hinge head 46 through a guide rod connecting column 48 and is used for compressing the inner circle of the plate set.
In the above, before the pressing plate 410 compresses the plate, the outer pressing plate 411 is pre-attached to the plate, and the middle of the outer pressing plate 411 is provided with a pressing plate connecting rod 412. The outer circle pressing plate 411 is of a plate sheet profiling structure.
In the invention, the outer circle pressing buckling plate component 4 is driven by a gas-liquid pressure cylinder 42, the buckling plates 410 extend out from the inner circles of the two sides of the plate through a piston plate 43 and an external guide rod 47, the outer circle pressing plates 411 with plate sheet profiling structures are pre-attached to the plate sheets, and the gas-liquid pressure cylinder 42 moves downwards to drive the two buckling plates 410 to downwards press the outer circle pressing plates 411. The maximum tensile force of the gas-liquid pressure cylinder 42 is 10048N, and the gas-liquid pressure cylinder can provide enough tensile force to ensure that the outer circles of the two sheet pieces are tightly attached, so that good process conditions for penetration welding of the outer circles are ensured. After the outer circle welding is finished, the pressing plate 410 is pressed upwards, the structure shrinkage is reduced, and the outer circle pressing plate 411 is removed, so that interference on subsequent welding of the plate sheets is avoided.
The working principle of the invention is as follows:
as shown in fig. 7-8, two pieces of sheet bars with inner circles pre-laminated are placed on a bracket 19, a rotary expansion disc 38 is driven by a thin-wall cylinder 31 to extend out, the edge of the outer circle of the sheet bar is supported, swing arm cylinders 23 on two sides drive an inner circle compressing block 26 to compress the surrounding area of the inner circle of the sheet bar through a swing arm cylinder connecting arm 24, protective gas is introduced to the side surface of the inner circle compressing block 26, the lower surface of the inner circle is subjected to gas protection through a gas cavity formed by the inner circle protective gas cover plate 27, meanwhile, the protective gas is introduced into a coaxial blowing nozzle 28, and the inner circle contour is penetrated and welded and the upper surface of the gas protective plate, so that the gas.
After the inner circle is welded, the rotating expansion disc 38 is still in an extended state to support the edge of the outer circle. Swing arm cylinder 23 upwards swings 120, newly adds a slab and pre-attaches two excircles together, will place on the other excircle clamp plate 411 that has the profile modeling structure and move to the slab, and 42 drive cramp plates 410 of gas-liquid pressure cylinder compress tightly the slab, make two slab excircles closely laminate together completely, and rotatory expansion disc 38 stretches into interior circle edge about 3mm, and excircle clamp plate 411 is pushed down about 2mm of slab inward flange, only reserves 4mm region and carries out the precision welding to the excircle. Meanwhile, protective gas is introduced into the rotary telescopic disc 38 to protect the back of the excircle of the plate, and after the plate is compressed, the protective gas is introduced while welding the excircle, and meanwhile, the upper surface of the excircle of the plate is protected by the coaxial blowing nozzle 28.
After the group of plates (3 pieces are a group) are welded, the buckling and pressing plate 410 extends upwards, the outer circle pressing plate 411 is removed, the rotary telescopic disc 38 retracts, the servo motor 11 of the transmission assembly 1 rotates, the driving bracket 19 moves downwards to the thickness of the group of plates, the guide rail is clamped by the guide rail clamp 113, the rotary telescopic disc 38 extends out, the next plate is placed, the plates are pre-pasted, the swing arm cylinder 23 moves downwards, the inner circle pressing block 26 is driven to press the inner circle to perform inner circle welding, and the process is circulated until the whole group of plates are welded.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.

Claims (9)

1. The utility model provides a thin wall punching press slab piles up welding set which characterized in that: the stacking and welding device comprises a transmission assembly (1), a swing arm cylinder inner circle pressing assembly (2), an outer circle rotating support assembly (3) and an outer circle pressing buckling plate assembly (4);
the plate group is arranged on the transmission assembly (1) and can move up and down under the action of the transmission assembly (1); the upper end of the transmission assembly (1) is provided with a swing arm cylinder inner circle pressing assembly (2) and an outer circle rotating support assembly (3) which are used for pressing an inner circle and supporting an outer circle during welding; an excircle pressing and buckling plate component (4) is arranged at the lower end of the transmission component (1) and is used for pressing and buckling the excircle of the plate group during welding;
the transmission assembly (1) comprises a supporting base (111), the swing arm cylinder inner circle pressing assembly (2) comprises a top plate (21), the top plate (21) is installed above the supporting base (111) of the transmission assembly (1), the outer circle rotation supporting assembly (3) comprises a thin-wall cylinder (31), a cylinder connecting block (32), a cylinder connecting rod (33), a turntable connecting shaft (34), a turntable pressing disc (35) and a rotating disc (36), wherein the thin-wall cylinder (31) is installed on the top plate (21), and the thin-wall cylinder (31) is connected with one end of the cylinder connecting rod (33) through the cylinder connecting block (32); the other end of the cylinder connecting rod (33) is connected with a turntable connecting shaft (34), and a rotating disc (36) is arranged on a large round hole of the top plate (21) and is connected with the turntable connecting shaft (34); the inner circle of the rotating disc (36) is also provided with a rotating telescopic disc (38).
2. The stack welding device for thin-walled stamped sheets according to claim 1, wherein: the transmission assembly (1) further comprises a servo motor (11), a T-shaped speed reducer (12), a motor fixing plate (13), a speed reducer coupler (14), a speed reducer connecting shaft (15), a right-angle speed reducer (16), a ball screw (17), a moving sliding table (18), a bracket (19) and a base (112), wherein a supporting base (111) is installed on the base (112), the motor fixing plate (13) is also installed on the base (112), and the ball screws (17) are symmetrically installed on the supporting base (111); the servo motor (11) is arranged on the motor fixing plate (13), the output shaft of the servo motor is connected with the input end of a T-shaped speed reducer (12), and two output ends of the T-shaped speed reducer (12) are respectively connected with a speed reducer coupling (14) and a speed reducer connecting shaft (15) in sequence; each speed reducer connecting shaft (15) is sequentially connected with the output end of a right-angle speed reducer (16), the right-angle speed reducer (16) is connected with a ball screw (17), and a moving sliding table (18) is mounted on the ball screw (17); the upper end of the supporting base (111) is provided with a bracket (19) for placing a plate, and the bracket (19) is connected with the moving sliding table (18); and a dust cover (110) is arranged on the supporting base (111) and used for preventing dust of the right-angle speed reducer (16) and the ball screw (17).
3. The stack welding apparatus for thin-walled stamped sheets according to claim 2, wherein: the support base (111) is provided with guide rails on two sides of the ball screw (17), the moving sliding table (18) is matched with the guide rails and is provided with a guide rail clamp (113), and the guide rail clamp (113) is used for clamping the guide rails.
4. The stack welding apparatus for thin-walled stamped sheets according to claim 3, wherein: the swing arm cylinder inner circle pressing assembly (2) further comprises a cylinder fixing seat (22), a swing arm cylinder (23), a swing arm cylinder connecting arm (24), a rotating shaft (25) and an inner circle pressing block (26), wherein the swing arm cylinder (23) is installed on the top plate (21) through the cylinder fixing seat (22); one end of the swing arm cylinder connecting arm (24) is connected with the swing arm cylinder (23), and the other end is provided with a rotating shaft (25); an inner circle pressing block (26) is arranged at the end part of the rotating shaft (25) and used for pressing the inner circle of the plate set.
5. The stack welding apparatus for thin-walled stamped sheets according to claim 4, wherein: the inner circle pressing block (26) is hollow, an air hole communicated with the inner cavity is formed in the side face of the inner circle pressing block, a through hole is formed in the middle of the inner circle pressing block (26), an arc-shaped groove is formed in the top end of the through hole, an inner circle protective air cover plate (27) is arranged in the groove, and the inner circle protective air cover plate form a sealed protective air cavity for carrying out air protection on the front face and the back face of the;
and a coaxial blowing nozzle (28) is arranged above the inner circle protection gas cover plate (27) and on the external welding head and used for blowing protection on the inner circle of the plate during welding.
6. The stack welding apparatus for thin-walled stamped sheets according to claim 5, wherein: a turntable pressing disc (35) is arranged between the inner circle of the large round hole of the top plate (21) and the rotating disc (36) and is used for pressing the rotating disc (36) when the rotating disc (36) rotates; and air holes are also processed on the rotary telescopic disc (38), and protective gas is introduced during welding to protect the back of the plate.
7. The stack welding apparatus for thin-walled stamped sheets according to claim 6, wherein: a strip-shaped hole is further processed on the rotating disc (36), and a rotating pin (37) is installed on the top plate (21) and located in the strip-shaped hole and used for guiding the rotating telescopic disc (38).
8. The stack welding apparatus for thin-walled stamped sheets according to claim 7, wherein: the outer circle pressing buckling plate assembly (4) comprises a support frame (41), a gas-liquid pressurizing cylinder (42), a piston plate (43), a bottom end piston (44), a flange sheet (45), a top end hinge head (46), an external guide rod (47), a guide rod connecting column (48), a guide seat (49) and a buckling plate (410), wherein the support frame (41) is installed on a base (112), and the gas-liquid pressurizing cylinder (42) is installed at the lower end of the support frame (41); the piston plate (43) is movably arranged on the support frame (41) and is connected with the gas-liquid pressure cylinder (42); the piston plate (43) is provided with a bottom piston (44), the end part of the bottom piston sequentially penetrates through the piston plate (43) and the top end of the support frame (41) and is connected with a top end hinge head (46), and an external guide rod (47) is sleeved outside the top end hinge head (46); the flange sheet (45) is sleeved at the end part of the bottom end piston (44) and is arranged on the support frame (41);
the top end of the external guide rod (47) is provided with a guide seat (49), and the end part of the buckling plate (410) is hinged to the top end of the top end hinge joint (46) through a guide rod connecting column (48) and used for compressing the inner circle of the plate set.
9. The stack welding apparatus for thin-walled stamped sheets according to claim 8, wherein: before the pressing plate (410) presses the plate sheet tightly, an outer circle pressing plate (411) is attached to the plate sheet in advance, and a pressing plate connecting rod (412) is arranged in the middle of the outer circle pressing plate (411); the outer circle pressing plate (411) is of a plate sheet profiling structure.
CN201610710578.5A 2016-08-24 2016-08-24 Stacking and welding device for thin-wall stamping plate Active CN107775203B (en)

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CN201610710578.5A CN107775203B (en) 2016-08-24 2016-08-24 Stacking and welding device for thin-wall stamping plate

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* Cited by examiner, † Cited by third party
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CN108857228A (en) * 2018-08-01 2018-11-23 安徽智森电子科技有限公司 Hold-down mechanism is used in a kind of pole welding of lithium battery cover plate
CN109894970A (en) * 2019-03-28 2019-06-18 广东高力威机械科技有限公司 The lathe bed open-and-close mechanism of linear bilateral edge polisher

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CN102615455A (en) * 2012-04-18 2012-08-01 黄华东 Inner and outer circle welding benches for sheet of heat exchanger
CN202793905U (en) * 2012-09-23 2013-03-13 西安科技大学 Accurate locating device for engineering material test piece
WO2014084647A1 (en) * 2012-11-29 2014-06-05 Kim Yong-Keun Welding apparatus capable of pressing preform and tracking welding line simultaneously
CN203652772U (en) * 2013-12-12 2014-06-18 北汽福田汽车股份有限公司 Stacking, rotating and jacking device
CN104551465A (en) * 2014-12-26 2015-04-29 东莞埃欧热能技术有限公司 Manipulator welding equipment for welding heat exchanger plate
CN204565423U (en) * 2014-12-31 2015-08-19 东莞市恒丰换热器有限公司 Plate type heat exchanger welding equipment
CN205184139U (en) * 2015-12-11 2016-04-27 迈赫机器人自动化股份有限公司 Automotive body panel self -adaptation clamping mechanism

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102615455A (en) * 2012-04-18 2012-08-01 黄华东 Inner and outer circle welding benches for sheet of heat exchanger
CN202793905U (en) * 2012-09-23 2013-03-13 西安科技大学 Accurate locating device for engineering material test piece
WO2014084647A1 (en) * 2012-11-29 2014-06-05 Kim Yong-Keun Welding apparatus capable of pressing preform and tracking welding line simultaneously
CN203652772U (en) * 2013-12-12 2014-06-18 北汽福田汽车股份有限公司 Stacking, rotating and jacking device
CN104551465A (en) * 2014-12-26 2015-04-29 东莞埃欧热能技术有限公司 Manipulator welding equipment for welding heat exchanger plate
CN204565423U (en) * 2014-12-31 2015-08-19 东莞市恒丰换热器有限公司 Plate type heat exchanger welding equipment
CN205184139U (en) * 2015-12-11 2016-04-27 迈赫机器人自动化股份有限公司 Automotive body panel self -adaptation clamping mechanism

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