CN210121730U - Composite welding machine for resistance welding and argon arc protection welding - Google Patents
Composite welding machine for resistance welding and argon arc protection welding Download PDFInfo
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- CN210121730U CN210121730U CN201822272753.4U CN201822272753U CN210121730U CN 210121730 U CN210121730 U CN 210121730U CN 201822272753 U CN201822272753 U CN 201822272753U CN 210121730 U CN210121730 U CN 210121730U
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Abstract
The utility model discloses a resistance welds and compound welding machine that argon arc protection welded, including operation side and transportation side, the operation side is equipped with frame, resistance and welds subassembly, twolip and cuts subassembly and argon arc and welds the subassembly, the transportation side is equipped with centering conveying component, crescent moon and cuts subassembly and punching hole subassembly; the resistance welding assembly comprises a rolling wheel, an electric welding wheel, a lifting device and a heating device; the argon arc welding assembly comprises at least one argon arc welding gun, an upright post and a moving assembly; centering conveying component includes that entry clamp, export clamp, preceding centering are chosen set of component and back centering and are chosen set of component, back centering is chosen set of component and is included two pairs of middle parts, the crescent moon is cut the subassembly and is punched a hole the subassembly and locate two pairs are to between the middle part. The utility model can weld the band steel with different thicknesses in different modes, thereby reducing the equipment investment cost and labor cost in the band steel production process; eliminate the weld stress, improve the quality of the weld and meet the technical requirements of strip steel welding.
Description
Technical Field
The utility model relates to a welding equipment technical field especially relates to a resistance welds compound welding machine who welds with argon arc protection.
Background
The welder is one of important equipment in the process of pickling strip steel, and is used for quickly connecting the tail of the strip steel of the previous strip steel with the head of the strip steel of the next strip steel, so that the continuous production in the process of pickling strip steel is realized, and the production efficiency of strip steel is improved.
The traditional resistance welding machine is generally only suitable for welding thin plates with the plate thickness of 0.3-1.2, the tail of the previous strip steel is lapped with the head of the next strip steel in a lapping mode, large current is introduced between two resistance wheels, the upper plate and the lower plate form a melting area under high-resistance heat, and the melting area is rapidly cooled to form a welding line so as to rapidly connect the upper plate and the lower plate together. The traditional argon arc welding machine is generally only suitable for welding plates with the thickness of 1.2-4 mm, and the welding seams are spliced by adopting an argon arc shielded welding mode between the welding seams formed by the two plates in a butt welding mode.
If the traditional welding machine is adopted, for the production line of a steel mill with multiple specifications and large thickness range, a resistance welding machine, an argon arc welding machine and a matched production line thereof need to be arranged at the same time, so that the equipment cost and the worker management cost of the steel mill are increased. In addition, a combined welding machine adopting resistance welding and argon arc welding is tried to weld the strip steel at home and abroad, but the quality of the welding seam is general, stress concentration is easily formed at the welding seam, the problems of fracture and the like are caused, and the further processing process of the strip steel is influenced.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide a composite welding machine of resistance welding and argon arc protection welding, which can realize the composite welding of two welding machines in one welding machine, and carry out welding in different modes aiming at different thickness strip steels, thereby reducing the equipment investment cost and labor cost in the production process of the strip steels; eliminate the weld stress, improve the quality of the weld and meet the technical requirement of high precision of the strip steel.
In order to solve the technical problem, the utility model provides a resistance welds and argon arc shielded welding's combined welder, including operation side and transportation side, the operation side is equipped with frame, resistance welds subassembly, twolip and cuts subassembly and argon arc and welds the subassembly, the transportation side is equipped with centering conveying subassembly, crescent moon and cuts subassembly and punching hole subassembly;
the frame comprises a fixed frame and a movable frame, and the movable frame is provided with a resistance welding assembly;
the electric resistance welding assembly comprises a rolling wheel, an electric welding wheel, a lifting device and a heating device, wherein the heating device is arranged between the rolling wheel and the electric welding wheel; the argon arc welding assembly comprises at least one argon arc welding gun, an upright post and a moving assembly, the upright post is fixedly arranged on the fixed frame, and the moving assembly drives the argon arc welding gun to horizontally move;
centering conveying component includes that entry clamp, export clamp, preceding centering are chosen set component and back centering and are chosen set component, entry clamp and export clamp can transversely and longitudinal movement, back centering is chosen set component and is included two pairs to the middle part, the subassembly is cut to the crescent moon and the subassembly that punches a hole is located two pairs are between the middle part.
As an improvement of the technical scheme, the lifting device comprises a plurality of hydraulic cylinders, and the hydraulic cylinders respectively drive the rolling wheel, the electric welding wheel and the movable part of the heating device to move up and down;
the heating device comprises an upper substrate and a lower substrate, wherein mounting grooves are formed in the upper substrate and the lower substrate, and high-resistance metal wires are arranged in the mounting grooves to heat welding seams.
As an improvement of the technical scheme, the argon arc welding gun is arranged along the central line of the operation side, a lifting hydraulic cylinder and a drag chain are arranged at the top of the argon arc welding gun, and the side face of the argon arc welding gun is connected with the movement assembly.
As an improvement of the above technical solution, the movement assembly includes a horizontal guide rail fixedly arranged between the columns;
the argon arc welding gun comprises a horizontal guide rail, and is characterized in that the horizontal guide rail is provided with a dovetail groove, the side surface of the argon arc welding gun is provided with a groove clamping piece, a boss matched with the dovetail groove is arranged in the groove clamping piece, the groove clamping piece is connected with a linear motor, and the linear motor is arranged along the horizontal guide rail to move so as to drive the argon arc welding gun to move horizontally.
As an improvement of the technical scheme, the argon arc welding assembly further comprises a supporting assembly for supporting the steel strip during argon arc welding;
the supporting component comprises a movable trolley and a supporting platform arranged on the movable trolley, and the supporting platform is connected with a jacking device.
As an improvement of the above technical scheme, a waste gas recovery element is further arranged on the side surface of the supporting platform, the waste gas recovery element is connected with the jacking mechanism, the waste gas recovery element comprises a shell and an inclined cover plate, and the shell and the inclined cover plate form a waste gas recovery cavity;
a plurality of air holes are formed in the inclined cover plate and connected with the waste gas recovery cavity;
the tail end of the waste gas recovery cavity is connected with a fan, and a filtering device is arranged at the air inlet of the recovery cavity and the fan;
the bottom of the air hole is provided with a blocking piece which can slide to open the air hole.
As an improvement of the technical scheme, the supporting platform is further provided with a cleaning device, the cleaning device comprises a motor, guide rails arranged on two sides of the supporting platform, a gear connected with the motor, a rack fixed on the side face of the guide rails, door-shaped scrapers hinged to the guide rails and a mold lifting device arranged below the guide rails.
As an improvement of the technical scheme, the front centering sleeve picking element and the rear centering sleeve picking element are both provided with a middle part and a raised part;
the centering part comprises two adjusting rods, a motor and a gear rack mechanism for driving the adjusting rods to move in opposite directions, and the adjusting rods are arranged on racks of the gear rack mechanism;
the raising part comprises an air cylinder and a push rod, and the air cylinder drives the push rod to jack up the steel belt.
As an improvement of the technical scheme, the crescent shear assembly comprises a gantry vertically arranged above a conveying line, a support frame for supporting the conveying line, two upper shear blades arranged at the upper part of the gantry, two lower shear blades arranged on the support frame, a pressing device and a driving assembly;
the driving assembly comprises a top driving element and a side driving element, and the top driving element drives the upper shear blade and the pressing device to move downwards respectively;
the lateral driving element drives the upper shear blade to move laterally, and a lateral adjusting structure is arranged between the lower shear blade and the supporting frame, so that the upper shear blade and the lower shear blade are arranged in a matched mode, and crescent teeth with different widths are cut.
As an improvement of the technical scheme, a first beam is arranged on the gantry;
the punching assembly comprises a rack arranged on the first cross beam, a movable upper die arranged in the rack and a lower die fixedly arranged on the supporting frame, wherein the upper die is driven by the top driving element to move downwards so as to punch the steel strip to form the identification hole.
Implement the utility model discloses, following beneficial effect has:
(one) the utility model discloses incite somebody to action resistance welds the subassembly and welds the subassembly complex on same welding machine with the argon arc, can select to adopt resistance welding to carry out narrow overlap joint welding or adopt the argon arc to weld and carry out butt seam welding according to the thickness of belted steel, satisfies the welding demand in the belted steel course of working. Meanwhile, the double-edge shear assembly is arranged aiming at the welding characteristics of the strip steel to shear the head and the tail of the strip steel, so that the head and the tail of the strip steel are tidy, and the welding is convenient. In addition, the inlet and the outlet of the strip steel are also provided with centering sleeve picking elements, so that the strip steel cannot be greatly dislocated in the transportation process, the alignment of the strip head and the strip tail is realized, and the quality of a welding seam is improved;
a heating device is arranged between the rolling wheel and the electric welding wheel of the electric resistance welding assembly, and the welding seam after electric resistance welding is further heated, so that the stress generated by electric resistance welding can be eliminated, and the quality of the welding seam can be further improved;
the motion assembly of the argon arc welding assembly adopts a combination mode of a guide rail and a linear motor, and the argon arc welding gun moves along the guide rail under the driving of the linear motor, so that the motion is stable and controllable, and the quality of a welding seam of argon arc welding is improved;
the argon arc welding assembly is provided with a supporting assembly, the supporting assembly is provided with a waste gas recovery element and a cleaning device, and smoke dust and welding slag generated after argon arc welding are further cleaned, so that the welding quality of argon arc welding is further improved, and the argon arc welding assembly is environment-friendly;
(V) the utility model discloses still be equipped with the crescent moon and cut the subassembly, carry out a certain amount of shearing to the edge of welding seam, eliminated the region that welding seam stress concentrates, provide the whole quality of welding seam.
Drawings
FIG. 1 is a top view of a hybrid welding machine for resistance welding and argon arc welding according to the present invention;
FIG. 2 is an operational side elevational view of FIG. 1;
FIG. 3 is a top view of the transport side of FIG. 1;
FIG. 4 is a front view of the motion assembly of FIG. 2;
FIG. 5 is a schematic view of a support assembly of an argon arc welding assembly according to the present invention;
FIG. 6 is an enlarged view of portion A of FIG. 5;
fig. 7 is a front view of a support assembly according to the present invention;
FIG. 8 is an enlarged view of portion B of FIG. 7;
FIG. 9 is a schematic view of the centering conveyor assembly of FIG. 1;
FIG. 10 is a schematic view of the crescent assembly and punch assembly of FIG. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings. Only this statement, the utility model discloses the upper and lower, left and right, preceding, back, inside and outside etc. position words that appear or will appear in the text only use the utility model discloses an attached drawing is the benchmark, and it is not right the utility model discloses a concrete restriction.
Referring to fig. 1, the utility model discloses a resistance welds and argon arc protection welds combined welding machine, including operation side and transportation side, the operation side is equipped with frame 1, resistance and welds subassembly 2, twolip and cut subassembly 3 and argon arc and weld subassembly 4, the transportation side is equipped with centering conveying assembly 5, crescent moon and cuts subassembly 6 and punching assembly 7. The operation side and the transportation side are arranged perpendicularly, after the strip tail of the previous strip steel and the strip head of the next strip steel enter a welding area, the centering conveying assembly 5 centers and presses the strip head and the strip tail tightly, a proper welding mode is selected according to the thickness of the strip steel, and the strip head and the strip tail are connected together, so that continuous production of the strip steel is realized. The concrete structure of the hybrid welding machine according to the present invention will be described below.
Referring to fig. 2, the frame 1 includes a fixed frame 11 and a movable frame 12, the fixed frame 11 is provided with a guide rail, the movable frame 12 moves along the guide rail, and the movable frame 12 is provided with a resistance welding assembly 2. The electric resistance welding assembly 2 comprises a rolling wheel 21, an electric welding wheel 22, a lifting device 23 and a heating device 24, wherein the heating device 24 is arranged between the rolling wheel 21 and the electric welding wheel 22. The rolling wheel 21, the resistance wheel and the heating device 24 are all provided with a fixed part fixed with the movable frame 12 and a movable part capable of moving up and down relatively. Preferably, the lifting device 23 comprises three hydraulic cylinders, and the lifting device 23 is connected to the rolling wheel 21, the electric welding wheel 22 and the movable part of the heating device 24 respectively. Preferably, the heating device 24 includes an upper substrate 241 and a lower substrate 242, wherein mounting grooves 243 are formed in the upper substrate 241 and the lower substrate 242, and high-resistance heating wires 244 are disposed in the mounting grooves 243 to heat the welding seams. Specifically, after the resistance welding is completed, the lifting device 23 drives the upper substrate 241 to press down, so as to further heat the welding seam; after the frame 12 is moved, the rolling wheel 21 rolls the welding line to eliminate welding stress, so that the welding quality of resistance welding is improved.
Argon arc welds subassembly 4 and includes at least one argon arc welder 41, stand 42 and motion subassembly 43, stand 42 set firmly in on the fixed vehicle frame 11, motion subassembly 43 drive argon arc welder 41 horizontal motion. Specifically, the two sides of the fixed frame 11 are provided with four upright posts 42, a cross beam 44 is arranged along the direction of the operation side, the cross beam 44 is provided with the motion assembly 43, and the motion assembly 43 drives the argon arc welding gun 41 to move so as to weld a welding seam.
With reference to fig. 3, the centering and conveying assembly 5 comprises an inlet clamp 51, an outlet clamp 52, a front centering sleeve-raising member 53 and a rear centering sleeve-raising member 54; the inlet and outlet clamps 51, 52 are movable laterally and longitudinally. Specifically, the inlet clamp 51 and the outlet clamp 52 are connected to a lifting cylinder (not shown in the drawings) and a direction-finding cylinder (not shown in the drawings) which can move up and down, and the cylinders drive the inlet clamp 51 and the outlet clamp 52 to move and clamp the steel strip, so that the steel strip is prevented from deviating during welding, and the stability during welding is improved. The front centering sleeve picking element 53 and the rear centering sleeve picking element 54 are both provided with a picking part 55 and a centering part 56, the centering of the belt head and the belt tail is realized by the centering part 56, and the narrow lap joint of the belt head and the belt tail is realized by the picking part 55. The rear and front centering sleeve picking element 53 comprises two discrete centering parts 56, and the crescent shear assembly 6 and the punching assembly 7 are arranged between the two discrete centering parts 56. The crescent is cut on the welding seam, so that the stress concentration part at the edge of the welding seam is eliminated, and the quality of the welding seam is improved.
By adopting the mode, the resistance welding machine and the argon arc welding machine are combined on the same welding machine, and the corresponding welding mode is selected according to the plate thickness of the steel strip to be welded, so that the welding requirements of the steel strips with different thicknesses are met, and the formed welding seam has high quality. For further improving the quality of the welding seam, the utility model discloses below optimized structure has still been adopted.
The stability of the welding gun during argon arc welding is improved, and the quality of a welding seam is improved. Argon arc welder 41 follows the central line setting of operation side, argon arc welder 41's top is equipped with hydraulic cylinder and tow chain pneumatic cylinder drive argon arc welder 41 reciprocates to weld, the tow chain is located the top of pneumatic cylinder has improved the stability when argon arc welder 41 moves. In addition, the side of the argon arc welding gun 41 is connected with the moving assembly 43.
Referring to fig. 4, the moving assembly 43 includes a horizontal rail 431 fixedly installed between the columns 42; horizontal guide 431 is equipped with dovetail 432, argon arc welder 41's side is equipped with recess fastener 433, be equipped with in the recess fastener 433 with the bellying 434 of dovetail 432 looks adaptation, linear motor 435 is connected to recess fastener 433, linear motor 435 is followed horizontal guide 431 removes, in order to drive argon arc welder 41 horizontal motion.
Specifically, the horizontal guide rail 431 is fixedly arranged on the cross beam 44, the horizontal guide rail 431 is provided with the dovetail groove 432, and the groove clamping piece 433 is provided with a protruding part 434 matched with the dovetail groove 432; the groove clamping piece 433 is clamped on the horizontal guide rail 431 to slide; the groove clamping piece 433 is connected with the linear motor 435, the linear motor 435 is matched with the horizontal guide rail 431, and the linear motor 435 drives the groove clamping piece 433 to reciprocate along the horizontal guide rail 431. Since the welding speed is related to the quality of the welding seam, the operating speed of the linear motor 435 is controlled by programming, so that the working efficiency of the welding process can be improved while the quality of the welding seam is ensured.
Referring to fig. 5 to 8, the welding quality of the argon arc welding can be further improved by supporting the argon arc welding as a substrate. The argon arc welding assembly 4 further comprises a support assembly 45 for providing support to the steel strip during argon arc welding.
The supporting assembly 45 comprises a movable trolley 451 and a supporting platform 452 arranged on the movable trolley 451. Through be in do a mobilizable supporting component 45 during argon arc welding, supporting component 45 follows the axis symmetry of operation side sets up, when needs carry out argon arc welding, will supporting component 45 moves into under the belted steel, the below of supporting platform 452 is equipped with jacking device 453, so that supporting platform 452 and the laminating of steel band can not take place the upper and lower dislocation between the steel band during the welding to improve welding quality.
Further, a cleaning device 46 is disposed on the supporting platform 452 to clean the supporting platform 452 so that the steel strip can be attached to the supporting platform 452. The cleaning device 46 includes a motor 461, a guide rail 462 disposed at both sides of the supporting platform 452, a gear 463 connected with the motor 461, a rack 464 fixed at a side of the guide rail 462, a door-shaped scraper 465 hinged with the guide rail 462, and a mold lifter 466 disposed below the guide rail 462. By introducing hydraulic oil into the mold lifter 466, the guide rail 462 is ejected out, so that the working surface of the door-shaped scraper 465 is in contact with the upper plane of the supporting platform 452; at this time, the gear 463 is engaged with the rack 464, and the motor 461 drives the gear 463 to drive the rack 464 to move, so as to drive the guide rail 462 to move, and drive the gate-type scraper 465 to clean the supporting platform 452. By adopting the cleaning mode, the normal use of the supporting platform 452 is not influenced, meanwhile, the surface of the supporting platform 452 is smooth, and the steel strip is attached to the supporting platform 452, so that the smoothness of the welding line is improved.
Because a large amount of smoke is generated in the argon arc welding process, the smoke not only causes environmental pollution and harm to human health, but also influences the quality of welding seams. Preferably, the side of the supporting platform 452 is further provided with an exhaust gas recovery element 47, the exhaust gas recovery element 47 is connected to the lifting mechanism 471, the exhaust gas recovery element 47 further includes a housing 472 and an inclined cover plate 473, and the housing 472 and the inclined cover plate 473 form an exhaust gas recovery chamber 475; a plurality of air holes 474 are formed in the inclined cover plate 473, and the air holes 474 are connected with the waste gas recovery chamber 475; the tail end of the waste gas recovery cavity 475 is connected with a fan (not shown in the attached drawing), and a filtering device (not shown in the attached drawing) is arranged at the air inlet of the recovery cavity and the fan; the bottom of the air hole 3474 is provided with a stop 476, and the stop 476 can slide to open the air hole 474. Specifically, an angled cover 473 is employed, along which are disposed multiple sets of air holes 474, increasing the capacity to absorb smoke and dust. During argon arc welding, the jacking mechanism 471 ejects the waste gas recovery element 47 out to exceed the supporting platform 452 by about 20-50 cm; the motor drives the baffle 476 to slide to open the air hole 474; the fan is started, and the smoke generated by welding enters the waste gas recovery cavity 475 along the air hole 474 and is discharged after being filtered and purified by the filtering device. The filter device includes a PP cotton layer and an activated carbon layer, but is not limited thereto.
Referring to fig. 9, the front centering sleeve picking element 53 and the rear centering sleeve picking element 54 are both provided with a picking part 55 and a centering part 56, the centering part 56 comprises two adjusting rods 561, a motor and a rack and pinion mechanism 562 for driving the adjusting rods 561 to move in opposite directions, and the two adjusting rods 561 are respectively mounted on racks of the rack and pinion mechanism; the raised part 55 includes a cylinder 551 and a push rod 552, and the cylinder 551 drives the push rod 552 to jack up the steel strip. By adopting the joint, the steel belt can be straightened, and the centering of the belt head and the belt tail can be realized.
Referring to fig. 10, the crescent shear assembly 6 includes a gantry 61 vertically disposed above the transportation side, a support frame 62 for supporting the transportation line, two upper shear blades 63 disposed on the upper portion of the gantry 61, two lower shear blades 64 disposed on the support frame 62, a pressing device 65, and a driving assembly 66; the driving assembly 66 comprises a top driving element 661 and a side driving element 662, the top driving element 661 and the side driving element 662 both use hydraulic pressure as power, the top driving element 661 drives the upper cutting edge 63 and the pressing device 65 to move downwards respectively, the side driving element 662 drives the lateral movement of the upper cutting edge 63, the lower cutting edge 64 and the supporting frame 62 are provided with a lateral adjusting structure 67 therebetween, the lateral adjusting structure 67 is preferably a lead screw, one end of the lead screw is connected with the lower cutting edge 64, and the position of the lower cutting edge 64 is manually or automatically adjusted to enable the upper cutting edge 63 and the lower cutting edge 64 to be matched to cut crescent moon with different widths.
A first cross beam 68 is arranged on the door frame 61; the punching assembly 7 comprises a frame arranged on the first beam 68, an upper die 71 which is arranged in the frame and can move and a lower die 72 which is fixedly arranged on the support frame 62, wherein the upper die is driven by the top driving element 661 to move downwards so as to punch an identification hole on the steel strip.
The utility model discloses a two kinds of belted steel welding methods, including resistance welding method and argon arc welding method, the board is thick to adopt the narrow overlap joint welding of resistance for 0.4 ~ 1.2mm, and the board is thick to adopt argon arc butt welding at 1.2 ~ 4 mm. The following detailed description adopts two kinds of welding processes of the composite welding machine related to the utility model.
The welding process of resistance welding comprises the following steps:
s01 conveying the strip steel along the conveying side, enabling the strip tail of the previous strip steel and the strip tail of the next strip steel to enter a double-edge shear shearing area, stopping conveying, and driving the double-edge shear assembly 3 to move forwards by the movable frame 12 to shear the strip head and the strip tail;
s02, the moving frame 12 is reset, and the centering parts 56 of the front centering sleeve-picking element 53 and the rear centering sleeve-picking element 54 respectively center the two steel belts; the raising part of the rear centering raising sleeve element 54 raises the strip tail to form a narrow overlapping area at the strip tail, and the inlet clamp 51 and the outlet clamp 52 respectively clamp two steel strips;
s03, the moving frame 12 drives the resistance welding assembly 2 to move forward to enter a welding area, the lifting device 23 drives the rolling wheel 21 to press the narrow overlapping area, large current is supplied to the electric welding wheel 22, and the moving frame 12 continues to move forward to weld the narrow overlapping area;
s04, after the welding is completed, the lifting device 23 drives the rolling wheel 21 and the electric welding wheel 22 to lift up and press the heating device 24 down, and heats the weld;
s05, after heating for a period of time, the lifting device 23 drives the heating device 24 to lift up and drives the rolling wheel 21 to press the welding seam, the moving frame 12 returns, and the rolling wheel 21 rolls the welding seam to eliminate welding stress;
s06, the inlet clamp 51, the outlet clamp 52 and the centering part 56 loosen the steel belt, the steel belt is conveyed to the working areas of the crescent shear assembly 6 and the punching assembly 7, and the steel belt is further conveyed after the crescent shear and identification hole punching processes are completed.
(II) the welding process of argon arc welding comprises the following steps:
s01 conveying the strip steel along the conveying side, enabling the strip tail of the previous strip steel and the strip tail of the next strip steel to enter a double-edge shear shearing area, stopping conveying, and driving the double-edge shear assembly 3 to move forwards by the movable frame 12 to shear the strip head and the strip tail;
s02, the moving frame 12 is reset, the centering portions 56 of the front centering sleeve-picking member 53 and the rear centering sleeve-picking member 54 respectively center the two steel strips, a butt weld zone is formed at the strip head and the strip tail, and the inlet clamp 51 and the outlet clamp 52 respectively clamp the two steel strips;
s03, the conveying assembly drives the argon arc welding assembly 4 to move forwards to enter a butt-joint welding area, and the lifting hydraulic cylinder drives the argon arc welding gun 41 to enter the welding seam to weld the butt-joint welding area;
s04 the lifting mechanism 471 drives the waste gas recycling component 47 to lift up, and the motor drives the blocking plate 476 to open the air hole 474, so as to suck the argon arc welding smoke into the waste gas recycling chamber 475, and further purify the smoke and discharge the smoke;
after the welding of S05 is completed, the jacking mechanism 471 drives the waste gas recovery element 47 to retract, and the moving component 43 drives the argon arc welding gun to return;
s06, the inlet clamp 51, the outlet clamp 52 and the centering part 56 loosen the steel belt, the steel belt is conveyed to the working areas of the crescent shear assembly 6 and the punching assembly 7, and the steel belt is further conveyed after the crescent shear and identification hole punching processes are completed.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (10)
1. A composite welding machine for resistance welding and argon arc shielded welding comprises an operation side and a transportation side, and is characterized in that the operation side is provided with a frame, a resistance welding assembly, a double-blade shear assembly and an argon arc welding assembly, and the transportation side is provided with a centering conveying assembly, a crescent shear assembly and a punching assembly;
the frame comprises a fixed frame and a movable frame, and the movable frame is provided with a resistance welding assembly;
the electric resistance welding assembly comprises a rolling wheel, an electric welding wheel, a lifting device and a heating device, wherein the heating device is arranged between the rolling wheel and the electric welding wheel; the argon arc welding assembly comprises at least one argon arc welding gun, an upright post and a moving assembly, the upright post is fixedly arranged on the fixed frame, and the moving assembly drives the argon arc welding gun to horizontally move;
centering conveying component includes that entry clamp, export clamp, preceding centering are chosen set component and back centering and are chosen set component, entry clamp and export clamp can transversely and longitudinal movement, back centering is chosen set component and is included two pairs to the middle part, the subassembly is cut to the crescent moon and the subassembly that punches a hole is located two pairs are between the middle part.
2. The combined electric resistance welding and argon arc welding machine as set forth in claim 1,
the lifting device comprises a plurality of hydraulic cylinders which respectively drive the rolling wheel, the electric welding wheel and the movable part of the heating device to move up and down;
the heating device comprises an upper substrate and a lower substrate, wherein mounting grooves are formed in the upper substrate and the lower substrate, and high-resistance metal wires are arranged in the mounting grooves to heat welding seams.
3. The welding machine of claim 1, wherein the argon arc welding gun is arranged along the center line of the operation side, the top of the argon arc welding gun is provided with a lifting hydraulic cylinder and a drag chain, and the side surface of the argon arc welding gun is connected with the motion assembly.
4. The welding machine of claim 3, wherein the motion assembly comprises a horizontal guide rail fixedly arranged between the upright columns;
the argon arc welding gun comprises a horizontal guide rail, and is characterized in that the horizontal guide rail is provided with a dovetail groove, the side surface of the argon arc welding gun is provided with a groove clamping piece, a boss matched with the dovetail groove is arranged in the groove clamping piece, the groove clamping piece is connected with a linear motor, and the linear motor is arranged along the horizontal guide rail to move so as to drive the argon arc welding gun to move horizontally.
5. The combined electric resistance welding and argon arc welding machine according to claim 1, wherein said argon arc welding assembly further comprises a support assembly for providing support to the steel strip during argon arc welding;
the supporting component comprises a movable trolley and a supporting platform arranged on the movable trolley, and the supporting platform is connected with a jacking device.
6. A combined electric resistance welding and argon arc welding machine as set forth in claim 5,
the side surface of the supporting platform is also provided with a waste gas recovery element, the waste gas recovery element is connected with the jacking mechanism, the waste gas recovery element comprises a shell and an inclined cover plate, and the shell and the inclined cover plate form a waste gas recovery cavity;
a plurality of air holes are formed in the inclined cover plate and connected with the waste gas recovery cavity;
the tail end of the waste gas recovery cavity is connected with a fan, and a filtering device is arranged at the air inlet of the recovery cavity and the fan;
the bottom of the air hole is provided with a blocking piece which can slide to open the air hole.
7. The welding machine of claim 6, wherein the support platform is further provided with a cleaning device, the cleaning device comprises a motor, guide rails disposed at two sides of the support platform, a gear connected with the motor, a rack fixed on a side surface of the guide rails, a door-shaped scraper hinged with the guide rails, and a mold lifter disposed below the guide rails.
8. The welding machine of claim 1, wherein the front centering sleeve-picking element and the rear centering sleeve-picking element are provided with a middle part and a raised part;
the centering part comprises two adjusting rods, a motor and a gear rack mechanism for driving the adjusting rods to move in opposite directions, and the adjusting rods are arranged on racks of the gear rack mechanism;
the raising part comprises an air cylinder and a push rod, and the air cylinder drives the push rod to jack up the steel belt.
9. The combined electric resistance welding and argon arc welding machine according to claim 8, wherein the crescent shear assembly comprises a gantry vertically arranged above the conveying side, a support frame for supporting a conveying line, two upper shear blades arranged at the upper part of the gantry, two lower shear blades arranged on the support frame, a pressing device and a driving assembly;
the driving assembly comprises a top driving element and a side driving element, and the top driving element drives the upper shear blade and the pressing device to move downwards respectively;
the lateral driving element drives the upper shear blade to move laterally, and a lateral adjusting structure is arranged between the lower shear blade and the supporting frame, so that the upper shear blade and the lower shear blade are arranged in a matched mode, and crescent teeth with different widths are cut.
10. A combined electric resistance and argon arc welding machine as set forth in claim 9, wherein said gantry is provided with a first beam;
the punching assembly comprises a rack arranged on the first cross beam, a movable upper die arranged in the rack and a lower die fixedly arranged on the supporting frame, wherein the upper die is driven by the top driving element to move downwards so as to punch the steel strip to form the identification hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822272753.4U CN210121730U (en) | 2018-12-29 | 2018-12-29 | Composite welding machine for resistance welding and argon arc protection welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822272753.4U CN210121730U (en) | 2018-12-29 | 2018-12-29 | Composite welding machine for resistance welding and argon arc protection welding |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109604848A (en) * | 2018-12-29 | 2019-04-12 | 佛山市诚德新材料有限公司 | A kind of hybrid welding machine of electric resistance welding and argon arc protection weldering |
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2018
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109604848A (en) * | 2018-12-29 | 2019-04-12 | 佛山市诚德新材料有限公司 | A kind of hybrid welding machine of electric resistance welding and argon arc protection weldering |
| CN109604848B (en) * | 2018-12-29 | 2024-05-07 | 佛山市诚德新材料有限公司 | Composite welding machine for resistance welding and argon arc protection welding |
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