CN113245733B - Automatic welding equipment for tower crane base - Google Patents
Automatic welding equipment for tower crane base Download PDFInfo
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- CN113245733B CN113245733B CN202110494735.4A CN202110494735A CN113245733B CN 113245733 B CN113245733 B CN 113245733B CN 202110494735 A CN202110494735 A CN 202110494735A CN 113245733 B CN113245733 B CN 113245733B
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- lower support
- fixed
- welding
- base
- hydraulic cylinder
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0252—Steering means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—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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- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses automatic welding equipment of a tower crane base, which comprises a base, a horizontal plane rotating mechanism, a transverse plane rotating mechanism and a lower support clamping mechanism, and is characterized in that the base is placed on the ground and is fixed on the ground through embedded bolts, the horizontal plane rotating mechanism is arranged on the base, a bearing seat is arranged on the horizontal plane rotating mechanism, the transverse plane rotating mechanism is arranged on the bearing seat, and the lower support clamping mechanism is arranged on the transverse plane rotating mechanism; the clamping tool can move, so that the mechanical arm can comprehensively weld the lower support, the lower support can be completely welded on the clamping tool, and secondary clamping is not needed.
Description
Technical Field
The invention relates to the field of tower crane equipment processing instruments, in particular to automatic welding equipment for a tower crane base.
Background
The existing lower support is mainly welded in a manual welding mode, the existing lower support is welded by placing the lower support on a welding platform and manually moving the lower support, so that the labor intensity of workers is high, the stability of the lower support needs to be ensured in an automatic welding mode for the lower support, workpieces are welded in a welding rod clamping mode through a mechanical arm in the market at present, but the welding requirement of the lower support is high, the position requirement of a welding spot and a welding seam is high (the lower support is used as a bearing part of a tower crane, the stability requirement of the lower support is high, the lower support is scrapped if the position of the welding spot and the welding seam is deviated), the clamping precision of the lower support needs to be ensured during clamping, and meanwhile, due to the heavy weight of the lower support, when the lower support is clamped through a tool, the clamping difficulty is higher.
The existing automatic welding device needs to convey welding wires to a mechanical arm for welding in an automatic conveying mode, the existing welding wires are generally placed in a winding drum, the welding wires are conveyed to the welding mechanical arm in an unwinding mode, but the welding wires can be clamped on the winding drum to stop feeding during conveying, so that the welding wires cannot be supplied to the welding mechanical arm, and therefore when automatic welding is performed, workers need to wait at one side of the welding wire unwinding drum to observe the condition of the welding wire unwinding drum at any time, the number of required workers is increased, and the utilization rate of the workers is low; when the welding wire is conveyed, the welding wire is conveyed through the pipeline, when the welding strip is clamped to be dead, the welding wire feeding device on the mechanical arm can break the welding wire, the machine needs to be stopped for maintenance, the machining efficiency is reduced, and the equipment maintenance cost is increased.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides automatic welding equipment for a tower crane base, which does not need manual clamping when clamping, and simultaneously can move a clamping tool when clamping, so that a mechanical arm can comprehensively weld a lower support, and the lower support can be completely welded on the clamping tool, and secondary clamping is not needed; the welding wire is conveyed by the hose, and meanwhile, the conveying of the welding wire is detected by the detection device, so that the conveying of the welding wire can be detected, and the conditions of welding wire breaking and welding wire supply breaking are avoided.
In order to achieve the purpose, the scheme of the invention is as follows: an automatic welding device for a tower crane base comprises a base, a horizontal plane rotating mechanism, a transverse plane rotating mechanism and a lower support clamping mechanism, wherein the base is placed on the ground and is fixed on the ground through pre-buried bolts; be provided with the welding arm in one side of base, weld the undersetting through the welding arm, be provided with welding wire in one side of welding arm and carry holding mechanism, carry holding mechanism and carry out the supply of welding wire for arm welding arm through the welding wire, guarantee that the welding wire can not supply constantly and is broken with being pulled apart when carrying.
Preferably, the lower support clamping mechanism comprises a fixing plate, a three-jaw chuck, a pressing assembly and an inclined abutting assembly, the three-jaw chuck is fixed on the fixing plate, a plurality of pressing assemblies which are linked with the three-jaw chuck are fixed on the fixing plate and are uniformly distributed on the periphery of the three-jaw chuck, the inclined abutting assembly abutting against the edge of the lower support is arranged on one side of each pressing assembly, and the lower support is inclined through the inclined abutting assembly, so that the mechanical arm can be conveniently welded; the pressing assembly comprises a pressing hydraulic cylinder, a pressing block and a bearing column, wherein the pressing hydraulic cylinder is fixed on the fixed plate, the top of a piston rod of the pressing hydraulic cylinder is fixed on one end of the pressing block in a hinged mode, the middle section of the pressing block is hinged to the top of the bearing column, the bottom of the bearing column is fixed on the fixed plate, and the bearing column is located between the pressing hydraulic cylinder and the lower support.
Preferably, the inclined abutting assembly comprises a jacking hydraulic cylinder and an ejector rod, the cylinder body of the jacking hydraulic cylinder is fixed on the fixed plate and obliquely arranged on the jacking hydraulic cylinder, the ejector rod is fixed on a piston rod of the jacking hydraulic cylinder, a sliding wheel capable of rotating and the edge of the sliding wheel contacting with the lower support are arranged on the ejector rod, the inclined abutting assembly enables the lower support to incline, and welding is facilitated.
Preferably, two support columns which are vertically arranged are fixed on the base, horizontal plane rotating mechanisms which are oppositely arranged are arranged on the two support columns, each horizontal plane rotating mechanism comprises a rotary table and a movable guide rail, the rotary tables are two, two rotary tables are fixedly connected with the same movable guide rail, a movable base is arranged on the movable guide rail, the two rotary tables move through a movable rail on the movable base, a transverse plane rotating mechanism is arranged on the movable base, the transverse plane rotating mechanism is a stepping motor, the stepping motor is fixed on the movable base, a lower support clamping mechanism is fixed on an output shaft of the stepping motor, a bearing is arranged between the lower support clamping mechanism and the movable base, and the lower support clamping mechanism is driven to rotate by the stepping motor.
Preferably, the auxiliary clamping mechanism comprises a sliding track and a lifting table, the lifting table is arranged on the base and embedded into the bottom of the base, the sliding track is arranged between the base and the lifting table, the base and the sliding track on the lifting table are cut off at the joint of the base and the lifting table, a placing plate for placing the lower support is arranged on the sliding track, the placing plate is in sliding fit with the sliding track and automatically moves, and the lower support is moved to the position below the lower support clamping mechanism through the placing plate.
Preferably, a press switch is arranged on the fixing plate and is respectively connected with the three-jaw chuck, the pressing hydraulic cylinder and the jacking hydraulic cylinder, the lower support presses the press switch, and the three-jaw chuck, the pressing hydraulic cylinder and the jacking hydraulic cylinder simultaneously work to clamp the lower support.
Preferably, the welding wire conveying and retaining mechanism comprises a welding wire unwinding cylinder, a conveying hose and a detection mechanism, wherein a detachable rotating assembly is arranged at the bottom of the welding wire unwinding cylinder and is fixed on the ground, the conveying hose is arranged above one side of the welding wire unwinding cylinder, a suspension bracket is arranged above the conveying hose and is fixed on the ground through a support column, the welding wire is led out from the welding wire unwinding cylinder and penetrates through the conveying hose, so that the welding wire is conveyed to a welding part of the mechanical arm through the conveying hose, the detection mechanism is arranged between the conveying hose and the suspension bracket and comprises a tension sensor, an elastic telescopic rod and a fixing assembly, one end of the tension sensor is fixed on the suspension rod through a hook, the other end of the tension sensor is fixedly provided with the elastic telescopic rod, and the other end of the elastic telescopic rod is fixedly provided with the fixing assembly, the elastic telescopic rod is fixed on the conveying hose through the fixing assembly, so that the middle section of the conveying hose is lifted up through the detection mechanism, and the conveying hose forms an arc shape.
Preferably, the elasticity telescopic link includes interior pole, outer pole and extension spring, wherein interior pole is nested each other with the outer pole, the cover has same root extension spring on interior pole and outer pole, the both ends of extension spring respectively with interior pole, the outer pole is fixed, be provided with spacing subassembly between interior pole and outer pole, spacing subassembly is contact switch and response subassembly promptly, wherein the response subassembly imbeds on the inner tube pole outer wall, when delivery hose is straightened, response subassembly is relative with contact switch, contact switch is triggered this moment, contact switch is connected with the arm, when contact switch triggered, the arm stops to weld.
Preferably, the tension sensor is connected with the controller through a wire, the output end of the controller is connected with an alarm through a wire, when the tension sensor detects that the pressure is equal to or greater than a set value, the controller controls the alarm to give an alarm, meanwhile, the output end of the controller is also connected with the mechanical arm, and when the alarm gives an alarm, the mechanical arm immediately stops welding work.
Preferably, the fixing assembly comprises a clamping ring and an angle adjusting module, the clamping ring is fixed on the elastic telescopic rod through the angle adjusting module, and the clamping ring is embraced on the conveying hose; the angle adjusting module is connecting piece and fastening bolt promptly, and wherein the connecting piece is two and two connecting pieces and has passed fastening bolt, has the nut at fastening bolt's end cover, realizes pressing from both sides the connecting piece through the nut on nut and the fastening bolt tightly, prevents like this that two connecting pieces from taking place relative rotation, and two connecting pieces are connected with snap ring, elasticity telescopic link respectively.
Compared with the prior art, the invention has the advantages that: 1. when clamping is carried out, manual clamping is not needed, and meanwhile, the clamping tool can move when clamping is carried out, so that the mechanical arm can carry out comprehensive welding on the lower support, the lower support can be completely welded on the clamping tool, and secondary clamping is not needed; 2. the hose is adopted to convey the welding wires, and meanwhile, the conveying of the welding wires is detected through the detection device, so that the conveying of the welding wires can be detected, and the conditions of welding wire breakage and welding wire supply failure are avoided.
Drawings
FIG. 1 is a top view of the present invention.
FIG. 2 is a front view of the lower support clamping mechanism of the present invention.
FIG. 3 is a cross-sectional view of the lower support clamping mechanism of the present invention.
FIG. 4 is a top view of the lower support fixture of the present invention.
Fig. 5 is a top view of the welding wire feeding and holding mechanism of the present invention.
Fig. 6 is a front view of the welding wire feed holding mechanism of the present invention.
Wherein, 1, a base, 1.1, a support column, 2, a horizontal plane rotating mechanism, 2.1, a bearing seat, 2.2, a turntable, 2.3, a movable guide rail, 2.4, a movable seat, 3, a transverse plane rotating mechanism, 3.1, a stepping motor, 4, a lower support clamping mechanism, 4.1, a fixed plate, 4.2, a press switch, 4.3, a three-jaw chuck, 4.4, a pressing component, 4.5, a pressing hydraulic cylinder, 4.6, a pressing block, 4.7, a bearing column, 4.8, an inclined pressing component, 4.9, a jacking hydraulic cylinder, 4.10, a mandril, 4.11, a sliding wheel, 5, an auxiliary clamping mechanism, 5.1, a lifting platform, 5.2, a sliding track, 6, a welding wire conveying and holding mechanism, 7, a welding wire unwinding reel, 7.1, a rotating component, 8, a conveying hose, 9, a suspension bracket, 10, a detection mechanism, 10.1, a tension sensor, 10.2, a controller, 10.3, an alarm, 10.4.5, an elastic rod, an outer rod, a telescopic rod, and an inner rod, 10.7, a tension spring, 10.8, a limiting assembly, 10.9, a contact switch, 10.10, a sensing assembly, 10.11, a fixing assembly, 10.12, a clamping ring, 10.13, an angle adjusting module, 10.14, a connecting piece, 10.15, a fastening bolt, 11 and a welding mechanical arm.
Detailed Description
The invention will now be further elucidated with reference to the drawing.
As shown in fig. 1-6, an automatic welding device for a tower crane base comprises a base 1, a horizontal plane rotating mechanism 2, a horizontal plane rotating mechanism 3 and a lower support clamping mechanism 4, wherein the base 1 is placed on the ground, the base 1 is fixed on the ground through embedded bolts, two vertically arranged support columns 1.1 are fixed on the base 1, the two support columns 1.1 are provided with the horizontal plane rotating mechanism 2 which is oppositely arranged, the horizontal plane rotating mechanism 2 drives a workpiece to rotate in the horizontal direction (taking an X axis as a rotation center), the horizontal plane rotating mechanism 2 is provided with a bearing seat 2.1, the bearing seat 2.1 is provided with the horizontal plane rotating mechanism 3, the horizontal plane rotating mechanism 3 is provided with the lower support clamping mechanism 4, the horizontal plane rotating mechanism 3 drives the lower support to rotate in the horizontal direction (taking a Y axis as a rotation center), the lower support is clamped by a lower support clamping mechanism 4, the lower support is welded by a mechanical arm, an auxiliary clamping mechanism 5 is arranged on a base 1, the auxiliary clamping mechanism 5 is positioned below the lower support clamping mechanism 4, automatic feeding and discharging on the lower support clamping mechanism 4 are realized by the auxiliary clamping mechanism 5, the lower support is moved to the position below the lower support clamping mechanism 4 by the auxiliary clamping mechanism 5, the lower support is automatically clamped by the lower support clamping mechanism 4, namely, the lower support is moved to the position below the lower support clamping mechanism 4 by the auxiliary clamping mechanism 5, the lower support clamping mechanism 4 is rotated to the position below the lower support clamping mechanism 4 by a horizontal plane rotating mechanism 2, the lower support is lifted and clamped on the lower support clamping mechanism 4 by the auxiliary clamping mechanism 5, and the lower support rotating mechanism is driven to rotate and reset by the horizontal plane rotating mechanism 2, during welding, the lower support is driven by the transverse face rotating mechanism 3 to carry out rotary welding, so that automatic welding and automatic feeding and clamping of the lower support are realized; be provided with welding arm 11 in one side of base 1, weld the undersetting through welding arm 11, be provided with welding wire in one side of welding arm 11 and carry retaining mechanism 6, carry retaining mechanism 6 through the welding wire and carry out the supply of welding wire for arm welding arm, guarantee that the welding wire can not supply with and is broken when carrying.
The lower support clamping mechanism 4 comprises a fixing plate 4.1, a three-jaw chuck 4.3, a pressing component 4.4 and an inclined abutting component 4.8, the three-jaw chuck 4.3 is fixed on the fixing plate 4.1 in a welding mode, four pressing components 4.4 linked with the three-jaw chuck 4.3 are fixed on the fixing plate 4.1 in a welding mode, a plurality of pressing components 4.4 are uniformly distributed on the periphery of the three-jaw chuck 4.3, an inclined abutting component 4.8 abutting against the edge of a lower support is fixed on one side of each pressing component 4.4 in a welding mode, the lower support is inclined through the inclined abutting component 4.8, the mechanical arm is convenient to weld, the lower support is inclined through the inclined abutting component 4.8, a welding seam is convenient to expose below the mechanical arm 11, the welding is convenient to weld, the mechanical arm 11 is not required to be welded, the lower support can be fixed on the fixing plate 4.1 through the three-jaw chuck 4.3, the pressing component 4.4 and the inclined abutting component 4.8, when welding, the lower support can not move, so that the welding stability is ensured.
Preferably, the pressing assembly 4.4 includes a pressing hydraulic cylinder 4.5, a pressing block 4.6 and a bearing column 4.7, wherein the pressing hydraulic cylinder 4.5 is fixed on the fixing plate 4.1 by welding, the top of a piston rod of the pressing hydraulic cylinder 4.5 is fixed on one end of the pressing block 4.6 by hinging, the other end of the pressing block 4.6 is pressed on the lower support, the middle section of the pressing block 4.6 is hinged on the top of the bearing column 4.7, the bottom of the bearing column 4.7 is fixed on the fixing plate 4.1 by welding, the bearing column 4.7 is located between the pressing hydraulic cylinder 4.5 and the lower support, the rotation of the pressing block 4.6 is realized by the contraction of the pressing hydraulic cylinder 4.5, so that the pressing block 4.6 gives way to the lower support, when the pressing hydraulic cylinder 4.5 is ejected, the pressing block 4.6 presses the lower support, so that the lever mode is convenient for pressing the lower support.
The inclined abutting component 4.8 comprises a jacking hydraulic cylinder 4.9 and an ejector rod 4.10, the cylinder body of the jacking hydraulic cylinder 4.9 is fixed on the fixed plate 4.1 in a welding mode, the jacking hydraulic cylinder 4.9 is arranged in an inclined mode (the inclined angle is consistent with the inclined angle of a plate on the lower support, the ejector rod 4.10 is fixed on the piston rod of the jacking hydraulic cylinder 4.9 in a welding mode, a rotatable sliding wheel 4.11 is fixed on the ejector rod 4.10 through a pulley support (the pulley support is welded with the ejector rod 4.10), the sliding wheel 4.11 is in contact with the edge of the lower support, the lower support is inclined through the inclined abutting component 4.8, the lower support is inclined through pushing of the ejector rod 4.10, the lower support is inclined, the plate with the lower support is welded in the lower support, a welding seam between the plate and the lower support is positioned below the welding mechanical arm 11, and the welding is convenient to carry out welding, plate welding is on the undersetting, panel and undersetting are the slope, do not have the slope clamping when the undersetting on undersetting clamping machine constructs 4, panel and the welding seam of undersetting slope from a left side to the right side downwards like this, in the welded time, remove the seat when the translation, welding arm is in order to the lapse simultaneously, be not convenient for weld like this (operating procedure is more, produce welding error easily), support tight subassembly 4.8 through the slope and construct with the clamping undersetting clamping machine of undersetting slope, the welding seam becomes the level form like this, like this in the welded time, only need to remove the seat translation and can realize the welding, need not to weld the arm translation at the welded implementation, be convenient for weld like this.
The horizontal plane rotating mechanism 2 comprises a rotating platform 2.2 and a moving guide rail 2.3, the rotating platform 2.2 is respectively welded on two support columns 1.1, the two rotating platforms 2.2 are oppositely arranged, the two rotating platforms 2.2 are both fixedly connected with the same moving guide rail 2.3 in a welding mode, the moving guide rail 2.3 rotates through the two rotating platforms 2.2, a moving seat 2.4 (0 is a linear motor in a sliding fit mode) which is fixed on the moving guide rail 2.3 to move on the moving guide rail 2.3, the moving seat 2.4 moves on a moving track through the moving seat 2.4, a transverse plane rotating mechanism 3 is fixed on the moving seat 2.4 in a welding mode, the transverse plane rotating mechanism 3 is a stepping motor 3.1, the stepping motor 3.1 is fixed on the moving seat 2.4 in a bolt fastening mode, the stepping motor 3.1 is fixed on the moving seat 2.4 through a bolt, and a lower support seat clamping mechanism 4 is fixed on an output shaft of the stepping motor 3.1 in a welding mode, a bearing is fixed between the lower support clamping mechanism 4 and the movable seat 2.4 in a welding mode, so that the torque is reduced, and the lower support clamping mechanism 4 is driven to rotate by the stepping motor 3.1, so that the welding of the arc welding seam is realized.
The auxiliary clamping mechanism 5 comprises a sliding rail 5.2 and a lifting platform 5.1, the lifting platform 5.1 is embedded in the base 1, the lifting platform 5.1 is embedded in the bottom of the base 1 (the lifting platform 5.1 is a lifting hydraulic cylinder and a support plate, the lifting hydraulic cylinder is fixed in the base 1, the lifting hydraulic cylinder is vertically upward, the support plate is fixed on the top of the lifting hydraulic cylinder in a welding manner), the sliding rail 5.2 is fixed between the base 1 and the lifting platform 5.1 in a welding manner, the sliding rail 5.2 on the base 1 and the lifting platform 5.1 is cut off at the joint of the base 1 and the lifting platform 5.1, a placing plate for placing the lower support is embedded in the sliding rail 5.2 and is in sliding fit with the sliding rail 5.2 and automatically moves (a linear motor is also adopted to move), the lower support is moved to the lower part of the lower support clamping mechanism 4 through the placing plate, and then the lifting platform 5.1 is lifted to realize the butt joint and clamping of the lower support and the lower support, thus, automatic clamping is realized.
The mode of fastening through the bolt has press switch 4.2 on fixed plate 4.1, press switch 4.2 respectively with three-jaw chuck 4.3, compress tightly pneumatic cylinder 4.5, jacking pneumatic cylinder 4.9 is connected, when elevating platform 5.1 rises, the top surface of undersetting contacts with press switch 4.2 earlier, show that the undersetting laminates with fixed plate 4.1 each other like this, show that undersetting clamping mechanism 4 can carry out the clamping to the undersetting like this, the undersetting is pressed down to press switch 4.2, three-jaw chuck 4.3, compress tightly pneumatic cylinder 4.5, jacking pneumatic cylinder 4.9 simultaneous working carries out the clamping to the undersetting, realize the rotation clamping of undersetting like this, realize the automatic weld of undersetting through step motor 3.1's rotation when processing.
The welding wire conveying and holding mechanism 6 comprises a welding wire unwinding cylinder 7, a conveying hose 8 and a detection mechanism 10, wherein a detachable rotating assembly 7.1 is arranged at the bottom of the welding wire unwinding cylinder 7, the rotating assembly 7.1 is fixed on the ground (the rotating assembly 7.1 is a stepping motor 3.1, the stepping motor 3.1 is fixed on the ground in a pre-embedded mode, the welding wire unwinding cylinder 7 is fixed on an output shaft of the stepping motor 3.1 in a Najie mode, active unwinding is carried out through the stepping motor 3.1), the conveying hose 8 is hung above one side of the welding wire unwinding cylinder 7, a hanging frame 9 is arranged above the conveying hose 8, the hanging frame 9 is fixed on the ground through a support column 1.1 (the support column 1.1 is fixed on the ground through a bolt, the hanging frame 9 is fixed at the top of the support column 1.1 in a welding mode), the welding wire unwinding cylinder 7 draws out welding wires and the welding wires pass through the conveying hose 8, thus, the welding wire is conveyed to the welding position of the mechanical arm through the conveying hose 8, a detection mechanism 10 is arranged between the conveying hose 8 and the suspension bracket 9, and the detection mechanism 10 comprises a tension sensor 10.1, an elastic telescopic rod 10.4 and a fixing component 10.11, wherein one end of the tension sensor 10.1 is fixed on the suspension rod through a hook, the other end of the tension sensor 10.1 (model number is BB 11) is fixed with the elastic telescopic rod 10.4 in a welding mode, the other end of the elastic telescopic rod 10.4 is fixed with the fixing component 10.11 in a welding mode, the elastic telescopic rod 10.4 is fixed on the conveying hose 8 through the fixing component 10.11, the middle section of the conveying hose 8 is hung up through the detection mechanism 10, the conveying hose 8 is arc-shaped, the welding wire is conveyed through the conveying hose 8, more conveying hoses 8 are conveyed through the detection mechanism 10, and when the conveying of the welding wire fails (after the welding wire is used up, the welding wire, When the welding wire conveying clamp is dead), the pulling force detected by the detection mechanism 10 changes, and the welding wire conveying needs to be stopped in time and maintained.
The elastic telescopic rod 10.4 comprises an inner rod 10.5, an outer rod 10.6 and a tension spring 10.7, wherein the inner rod 10.5 and the outer rod 10.6 are mutually nested, the same tension spring 10.7 is sleeved on the inner rod 10.5 and the outer rod 10.6, two ends of the tension spring 10.7 are respectively fixed with the inner rod 10.5 and the outer rod 10.6 in a welding mode, a limiting component 10.8 is fixed between an inner pipe and an outer pipe in an embedding mode, the limiting component 10.8 (namely a proximity switch EM-005) is a contact switch and a sensing component 10.10, wherein the sensing component 10.10 is embedded into the outer wall of the inner pipe, a contact switch is fixed on one end face of the outer rod 10.6 and is positioned on the outer side of the inner rod 10.5, when the conveying hose 8 is straightened, the sensing component 10.10 is opposite to the contact switch, the contact switch is triggered at this time, the contact switch 1.09 is connected with the mechanical arm, when the contact switch 1.09 is triggered, the mechanical arm stops welding, when the welding wire conveying is blocked, carry hose 8 can slowly be flare-outed by the arc, when carrying hose 8 flare-outs and continue tensile, can lead to the welding wire to break, need the staff to shut down the processing like this, when the welding wire flare-outs, detect and in time shut down the early warning through spacing subassembly 10.8, avoid the condition that the welding wire broke like this.
Tension sensor 10.1 is connected with the input of controller 10.2 (89-C51) and the output of controller 10.2 is connected with siren 10.3 through the wire, when detecting pressure on tension sensor 10.1 and being equal to or being greater than the setting value, controller 10.2 control siren 10.3 reports to the police, simultaneously controller 10.2's output is connected with the arm equally, when siren 10.3 reports to the police, the arm stops welding work immediately, play the early warning simultaneously and remind staff's effect.
The fixing component 10.11 comprises a clamping ring 10.12 and an angle adjusting module 10.13, the clamping ring 10.12 is welded on the elastic telescopic rod 10.4 through the angle adjusting module 10.13, and the clamping ring 10.12 is embraced on the conveying hose 8; the angle adjusting module 10.13 is two connecting pieces 10.14 and a fastening bolt 10.15, wherein the connecting pieces 10.14 are two, the fastening bolt 10.15 penetrates through the two connecting pieces 10.14, a nut is sleeved at the tail end of the fastening bolt 10.15, the connecting pieces 10.14 are clamped through the nut and a nut on the fastening bolt 10.15, so that the two connecting pieces 10.14 are prevented from rotating relatively, the two connecting pieces 10.14 are respectively connected with the snap ring 10.12 and the elastic telescopic rod 10.4 in a welding mode, when the direction of the conveying hose 8 needs to be adjusted, the direction and the bent shape of the conveying hose 8 can be adjusted through the direction of the rotating snap ring 10.12, and the adjustment is convenient.
Claims (8)
1. An automatic welding device for a tower crane base comprises a base, a horizontal plane rotating mechanism, a transverse plane rotating mechanism and a lower support clamping mechanism, and is characterized in that the base is placed on the ground and fixed on the ground through pre-buried bolts, the horizontal plane rotating mechanism is arranged on the base, a bearing seat is arranged on the horizontal plane rotating mechanism, the transverse plane rotating mechanism is arranged on the bearing seat, the lower support clamping mechanism is arranged on the transverse plane rotating mechanism, the lower support is welded through the lower support clamping mechanism, an auxiliary clamping mechanism is arranged on the base and located below the lower support clamping mechanism, and automatic feeding and discharging on the lower support clamping mechanism are achieved through the auxiliary clamping mechanism; a welding mechanical arm is arranged on one side of the base, the lower support is welded through the welding mechanical arm, a welding wire conveying and retaining mechanism is arranged on one side of the welding mechanical arm, and welding wires are supplied to the welding mechanical arm through the welding wire conveying and retaining mechanism, so that the welding wires are prevented from being broken and supplied to be pulled apart during conveying; the lower support clamping mechanism comprises a fixing plate, a three-jaw chuck, a pressing assembly and an inclined abutting assembly, the three-jaw chuck is fixed on the fixing plate, a plurality of pressing assemblies which are linked with the three-jaw chuck are fixed on the fixing plate and are uniformly distributed on the periphery of the three-jaw chuck, the inclined abutting assembly abutting against the edge of the lower support is arranged on one side of each pressing assembly, and the lower support is inclined through the inclined abutting assembly, so that the mechanical arm can be conveniently welded; the pressing assembly comprises a pressing hydraulic cylinder, a pressing block and a bearing column, wherein the pressing hydraulic cylinder is fixed on the fixed plate, the top of a piston rod of the pressing hydraulic cylinder is fixed on one end of the pressing block in a hinged mode, the middle section of the pressing block is hinged to the top of the bearing column, the bottom of the bearing column is fixed on the fixed plate, and the bearing column is located between the pressing hydraulic cylinder and the lower support; the inclined abutting assembly comprises a jacking hydraulic cylinder and an ejector rod, the cylinder body of the jacking hydraulic cylinder is fixed on the fixed plate and the jacking hydraulic cylinder is arranged in an inclined mode, the ejector rod is fixed on a piston rod of the jacking hydraulic cylinder, the ejector rod is provided with a sliding wheel capable of rotating, the sliding wheel contacts with the edge of the lower support, the lower support is inclined through the inclined abutting assembly, and welding is facilitated.
2. The automatic welding equipment for the base of the tower crane according to claim 1, wherein two vertically arranged support columns are fixed on the base, two oppositely arranged horizontal plane rotating mechanisms are arranged on the two support columns, each horizontal plane rotating mechanism comprises a rotary table and a moving guide rail, the rotary tables are two and are fixedly connected with the same moving guide rail, the moving guide rail is provided with a moving seat, the moving seat moves through a moving rail on the moving seat, the moving seat is provided with a transverse plane rotating mechanism, the transverse plane rotating mechanism is a stepping motor, the stepping motor is fixed on the moving seat, a lower support clamping mechanism is fixed on an output shaft of the stepping motor, a bearing is arranged between the lower support clamping mechanism and the moving seat, and the lower support clamping mechanism is driven to rotate by the stepping motor.
3. The automatic welding equipment for the base of the tower crane according to claim 2, wherein the auxiliary clamping mechanism comprises a sliding rail and an elevating platform, the elevating platform is arranged on the base and embedded into the bottom of the base, the sliding rail is arranged between the base and the elevating platform, the sliding rail on the base and the elevating platform is cut off at the joint of the base and the elevating platform, a placing plate for placing the lower support is arranged on the sliding rail, the placing plate is in sliding fit with the sliding rail and automatically moves, and the lower support is moved to the position below the lower support clamping mechanism through the placing plate.
4. The automatic welding equipment for the base of the tower crane according to claim 3, wherein a press switch is arranged on the fixing plate, the press switch is respectively connected with the three-jaw chuck, the pressing hydraulic cylinder and the jacking hydraulic cylinder, the lower support is pressed to the press switch, and the three-jaw chuck, the pressing hydraulic cylinder and the jacking hydraulic cylinder simultaneously work to clamp the lower support.
5. The automatic welding equipment for the base of the tower crane according to claim 4, wherein the welding wire conveying and maintaining mechanism comprises a welding wire unwinding cylinder, a conveying hose and a detection mechanism, wherein a detachable rotating assembly is arranged at the bottom of the welding wire unwinding cylinder and is fixed on the ground, the conveying hose is arranged above one side of the welding wire unwinding cylinder, a suspension bracket is arranged above the conveying hose and is fixed on the ground through a support pillar, the welding wire is led out from the welding wire unwinding cylinder and passes through the conveying hose, so that the welding wire is conveyed to the welding position of the mechanical arm through the conveying hose, the detection mechanism is arranged between the conveying hose and the suspension bracket and comprises a tension sensor, an elastic telescopic rod and a fixed assembly, one end of the tension sensor is fixed on the suspension rod through a hook, and the other end of the tension sensor is fixed with elasticity, the other end of the elastic telescopic rod is fixed with a fixing component, the elastic telescopic rod is fixed on the conveying hose through the fixing component, and the middle section of the conveying hose is hung up through the detection mechanism, so that the conveying hose forms an arc shape.
6. The automatic welding equipment for the base of the tower crane as claimed in claim 5, wherein the elastic telescopic rod comprises an inner rod, an outer rod and a tension spring, the inner rod and the outer rod are nested, the same tension spring is sleeved on the inner rod and the outer rod, two ends of the tension spring are respectively fixed with the inner rod and the outer rod, a limiting component is arranged between the inner rod and the outer rod, the limiting component is a contact switch and a sensing component, the sensing component is embedded into the outer wall of the inner tube, when the conveying hose is straightened, the sensing component is opposite to the contact switch, the contact switch is triggered at the moment, the contact switch is connected with the mechanical arm, and when the contact switch is triggered, the mechanical arm stops welding.
7. The automatic welding equipment for the base of the tower crane according to claim 6, wherein the tension sensor is connected with the controller through a wire, the output end of the controller is connected with the alarm through a wire, when the tension sensor detects that the pressure is equal to or greater than a set value, the controller controls the alarm to give an alarm, meanwhile, the output end of the controller is also connected with the mechanical arm, and when the alarm gives an alarm, the mechanical arm immediately stops welding.
8. The automatic welding equipment for the base of the tower crane according to claim 7, wherein the fixing assembly comprises a clamping ring and an angle adjusting module, the clamping ring is fixed on the elastic telescopic rod through the angle adjusting module, and the clamping ring is embraced on the conveying hose; the angle adjusting module is connection piece and fastening bolt promptly, and wherein the connection piece is two and two connection pieces and has passed fastening bolt, has the nut at fastening bolt's end cover, realizes pressing from both sides the connection piece through the nut on nut and the fastening bolt tightly, prevents like this that two connection pieces from taking place relative rotation, and two connection pieces are connected with snap ring, elasticity telescopic link respectively.
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| CN202110494735.4A CN113245733B (en) | 2021-05-07 | 2021-05-07 | Automatic welding equipment for tower crane base |
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| CN202110494735.4A CN113245733B (en) | 2021-05-07 | 2021-05-07 | Automatic welding equipment for tower crane base |
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| CN113245733B true CN113245733B (en) | 2022-06-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113820271B (en) * | 2021-10-22 | 2023-11-07 | 临澧金华天机械制造有限公司 | Standard oil-saving paint quality aging treatment device |
| CN117182246B (en) * | 2023-11-08 | 2024-02-09 | 徐州巴特工程机械股份有限公司 | Dig quick-witted revolving platform structure welding equipment |
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| CN111958174A (en) * | 2020-07-02 | 2020-11-20 | 中建八局第一建设有限公司 | Automatic positioning welding robot for steel pipes |
| CN112276272A (en) * | 2020-10-27 | 2021-01-29 | 珠海黎明云路新能源科技有限公司 | Tin soldering equipment |
| CN212682908U (en) * | 2020-05-21 | 2021-03-12 | 广州空格文创互娱科技有限公司 | Tool clamp for build-up welding of wear-resistant layer of shield cutter seat |
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| JPH10263886A (en) * | 1997-03-25 | 1998-10-06 | Nippon Steel Weld Prod & Eng Co Ltd | Panel inverting device |
| CN203712192U (en) * | 2014-02-27 | 2014-07-16 | 长沙星沙机床有限公司 | Lower support displacement tool for tower crane |
| CN204160081U (en) * | 2014-06-04 | 2015-02-18 | 成都乘风阀门有限责任公司 | A kind of revolving meber welding tooling |
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