CN103920973A - Consumable-electrode gas shielded welding device under supergravity environment - Google Patents

Consumable-electrode gas shielded welding device under supergravity environment Download PDF

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Publication number
CN103920973A
CN103920973A CN201410142652.9A CN201410142652A CN103920973A CN 103920973 A CN103920973 A CN 103920973A CN 201410142652 A CN201410142652 A CN 201410142652A CN 103920973 A CN103920973 A CN 103920973A
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CN
China
Prior art keywords
welding
workpiece clamping
welding bench
pair
bench
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201410142652.9A
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Chinese (zh)
Other versions
CN103920973B (en
Inventor
杨莉
郭兰中
戴军
张尧成
郭国林
于学勇
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Changshu intellectual property operation center Co.,Ltd.
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Changshu Institute of Technology
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Priority to CN201410142652.9A priority Critical patent/CN103920973B/en
Publication of CN103920973A publication Critical patent/CN103920973A/en
Application granted granted Critical
Publication of CN103920973B publication Critical patent/CN103920973B/en
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Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B23K9/00—Arc welding or cutting
    • B23K9/16—Arc welding or cutting making use of shielding gas
    • B23K9/173—Arc welding or cutting making use of shielding gas and of a consumable electrode
    • 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
    • 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
    • B23K37/0461—Welding tables
    • 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
    • B23K9/00—Arc welding or cutting
    • B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
    • B23K9/124—Circuits or methods for feeding welding wire
    • 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
    • B23K9/00—Arc welding or cutting
    • B23K9/24—Features related to electrodes
    • B23K9/28—Supporting devices for electrodes
    • B23K9/287—Supporting devices for electrode holders
    • 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
    • B23K9/00—Arc welding or cutting
    • B23K9/32—Accessories
    • B23K9/327—Means for transporting supplies

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

Abstract

The invention discloses a consumable-electrode gas shielded welding device under a supergravity environment and belongs to the technical field of special welding devices. The consumable-electrode gas shielded welding device comprises a frame, a power transmission mechanism, a rotary frame, a welding table, a workpiece clamping and loading platform, a workpiece clamping and loading platform driving mechanism and welding gun. The power transmission mechanism is arranged on the frame. The rotary frame is connected with the power transmission mechanism with one end provided with a pair of a welding table pivot slewing supports and a pair of welding table angle adjusting seats. The upper portion of the welding table is connected with the welding table pivot slewing supports while the lower portion of the same is connected with the welding table angle adjusting seats, and a welding gun support is fixed on the welding table. The workpiece clamping and loading platform is arranged on the welding table. The workpiece clamping and loading platform driving mechanism is arranged at one side, opposite to the workpiece clamping and loading platform, of the welding table and is matched with the workpiece clamping and loading platform. The welding gun is arranged on the welding gun support. The rotary frame is provided with a wire feeder, a welding machine and a gas holder. By the arrangement, welding requirements for the workpiece welded under the supergravity environment can be met, stability of the welding gun upon the welded workpiece can be guaranteed, welding quality can be ensured, and welding efficiency can be improved.

Description

Gas metal-arc welding welder under Elevated Gravity
Technical field
The invention belongs to special welding device technique field, be specifically related to the gas metal-arc welding welder under a kind of Elevated Gravity.
Background technology
Aforesaid hypergravity refers to the powerful centrifugal force producing in rotary body rotary course; The welding of aforesaid gas metal-arc welding be utilize the electric arc producing between welding wire and workpiece as thermal source by the welding method of metal molten.Because gas metal-arc welding has the strong points such as welding efficiency height and welding quality stable and wlding consumption are few, thereby be widely used in industrial production.
In order to expand the application of aforementioned gas metal-arc welding; itself and development in science and technology are at a high speed adapted; people explore and study it; for example " welding journal " the 34th the 8th phase of volume 55th～58 pages of introductions have " gas metal-arc welding under water "; and for example " Beijing University of Technology's journal " the 39th the 7th phase of volume 971-975 page publishes " the droplet transfer characteristic of gas metal-arc welding under electromagnetic action ", etc.In addition, technical information about gas metal-arc welding welding can be seen in disclosed Chinese patent literature, " automatic gas metal arc welding overlaying welding device with horizontal rotation " typically recommended as Granted publication CN201283462Y, though because the welding mechanism of this patent scheme rotates together with welding gun, but be static by the workpiece of built-up welding, thereby do not belong to the gas metal-arc welding welder category under the Elevated Gravity that applicant says, and because this patent scheme adopts the welding gun elevating mechanism (patent claims horizontal lifting mechanism) that makes the rotating power drive mechanism of welding mechanism and make welding gun oscilaltion, thereby complicated integral structure." a kind of mould position narrow clearance melting electrode automatic soldering device used for gas shield welding " that and for example application for a patent for invention publication No. CN103273178A provides; this patent application scheme has the principle with aforementioned CN201283462Y, and welding gun is adjustable and welded part remains static.
Because the size of acceleration of gravity can produce corresponding impact to gas metal-arc welding welding process; again owing to being showed no all corresponding technology enlightenments in current disclosed patent and non-patent literature; thereby gas metal-arc welding solder technology (comprising welder) under exploration Elevated Gravity has and has following prospective positive effect in mind; because the acceleration of gravity of the residing welding surroundings of the mankind is 9.8m/s at present 2, and that the mankind explore the technology of space is increasingly mature, and process is constantly accelerated, and the foreseeable future, the mankind will inevitably carry out Activities in space, and even stop in other remote celestial body of liftoff ball.Known, the acceleration of gravity of moonscape is only 1/6th of the earth, and areographic acceleration of gravity is only 2/5ths of the earth, etc.So due to the variation of acceleration of gravity, welding procedure also must be different from the earth, be less than 9.8m/s and obtain at the earth's surface at present other celestial body of simulation 2acceleration of gravity welding surroundings objectively comparatively difficulty, only in part elevator and space craft, explore, thereby condition is very limited.Hence one can see that, and simulation is greater than terrestrial gravitation acceleration (9.8m/s 2) hypergravity welding surroundings for instructing following welding under the environment of space and even other celestial body and so on to there is undoubtedly help.Technical scheme described below produces under this background.
Summary of the invention
Task of the present invention is to provide a kind of and contributes to make welding mechanism to be in the residual stress and deformation amount of by welding mechanism, welded part being implemented to welding under Elevated Gravity and use the soldered workpiece of remarkable reduction together together with soldered workpiece, and ensures the gas metal-arc welding welder under the Elevated Gravity of welding quality.
Task of the present invention completes like this, and the gas metal-arc welding welder under a kind of Elevated Gravity comprises a frame; One power drive mechanism, this power drive mechanism is arranged in described frame; Single-revolution framework, this slewing frame is corresponding to the top of described frame, and be in transmission connection with described power drive mechanism, be provided with a pair of welding bench pivotable supporting base and a pair of welding bench angle adjusting seat in one end of this slewing frame, this pair of welding bench angle adjusting seat is corresponding to the below of a pair of welding bench pivotable supporting base; One welding bench, the top of this welding bench and described a pair of welding bench pivotable supporting base are pivotally connected, and the bottom of welding bench is connected with described a pair of welding bench angle adjusting seat, is fixed with a welding gun support on this welding bench; One Workpiece clamping platform, this Workpiece clamping platform is disposed on described welding bench slidably; One Workpiece clamping stage driving, this Workpiece clamping stage driving is arranged on described welding bench and coordinates back to a side of described Workpiece clamping platform and with the transmission of Workpiece clamping platform; One welding gun, this welding gun is arranged on described welding gun support, and corresponding to the top of described Workpiece clamping platform; Wherein: on described slewing frame, be provided with one for provide the wire-feed motor, of welding wire for carrying the gas tank of gas with the welding machine of welding gun electrical connection and for the welding position place to welding gun to described welding gun.
In a specific embodiment of the present invention, the top of described frame forms a framework platform, and in frame, be also fixed with a door frame, the door frame crossbeam of this door frame is the top corresponding to the middle position of the length direction of described slewing frame with airborne, and this slewing frame is in transmission connection in the position corresponding between door frame crossbeam and framework platform and described power drive mechanism.
In another specific embodiment of the present invention, described power drive mechanism comprises motor, driving wheel, driving-belt, driven pulley and main shaft, motor is fixed in the position corresponding to below described framework platform and described frame, driving wheel is fixed on the motor shaft of motor, one end of driving-belt is nested with on driving wheel, and the other end is nested with on driven pulley, the middle position of the length direction of main shaft and described slewing frame is fixed, and the top that the upper end of this main shaft leans out slewing frame is bearing on described door frame crossbeam rotationally, and leaning out the bottom of slewing frame, the lower end of main shaft is bearing in rotationally on described framework platform, and the lower end of main shaft is also stretched over the below of framework platform, driven pulley is positioned at the below of framework platform and fixes with the lower end of described main shaft, wherein: in the lower end of described main shaft and be equipped with a collector ring corresponding to the position below described driven pulley.
In another specific embodiment of the present invention, described motor is variable-frequency motor; Described driving wheel and driven pulley are belt pulley, and described driving-belt is driving belt.
In another specific embodiment of the present invention, form and have welding bench pivotable spindle nose on the top of described welding bench and in the position of a pair of welding bench pivotable supporting base corresponding to described, welding bench pivotable spindle nose coordinates with a pair of welding bench pivotable supporting base pivotable, on described a pair of welding bench angle adjusting seat, respectively offer a screw rod adjustment tank, be fixed with a welding bench in the bottom of described welding bench and adjust screw rod, the two ends that this welding bench is adjusted screw rod are stretched in described screw rod adjustment tank, and are equipped with adjustment screw rod restriction nut.
Also have in a specific embodiment of the present invention, on described welding bench and be positioned at welding bench and be fixed with a pair of parallel Workpiece clamping platform rail plate towards a side of described Workpiece clamping platform, this pair of workpieces clamps platform rail plate and fixes along the length direction of welding bench, form pair of guide rails sliding tray at described Workpiece clamping platform towards a side of welding bench and in the position that clamps platform rail plate corresponding to described pair of workpieces, pair of guide rails sliding tray and pair of workpieces clamp platform rail plate and are slidably matched.
More of the present invention and in a specific embodiment, on described Workpiece clamping platform and be positioned at Workpiece clamping platform and be provided with one group of workholding jaw for soldered workpiece is clamped back to a side of described welding bench, on one group of workholding jaw, be respectively equipped with workpiece dog screw.
In of the present invention and then a specific embodiment, described Workpiece clamping stage driving comprises screw drive motor, screw rod, bolt and nut and Screw rod bearings seat, screw drive motor is fixed on the side of described welding bench back to described Workpiece clamping platform, one end of screw rod is connected with screw drive motor-driven, and the other end of screw rod is bearing on Screw rod bearings seat rotationally, Screw rod bearings seat is fixed on the side of welding bench back to Workpiece clamping platform, and bolt and nut is disposed on screw rod and with Workpiece clamping platform and is fixedly connected with.
Of the present invention, again more and in a specific embodiment, described welding gun is adjusted arm by welding gun and is arranged on described welding gun support.
In again of the present invention and then a specific embodiment, to adjust on arm and offer welding torch position adjustment tank at described welding gun, described welding gun is being fixed on corresponding to the position of welding torch position adjustment tank on welding gun adjustment arm.
Technical scheme provided by the invention drives slewing frame to move by power drive mechanism, moved together with the welding bench, Workpiece clamping platform, Workpiece clamping stage driving and the welding gun that arrange on it by slewing frame, thereby can meet the welding requirements to soldered workpiece under Elevated Gravity, and can ensure the stability of welding gun to workpiece welding, guarantee welding quality; Owing to can being made by Workpiece clamping driving mechanism the Workpiece clamping platform movement of Workpiece clamping driving mechanism, thereby can improve welding efficiency.
Brief description of the drawings
Fig. 1 is structure chart of the present invention.
Fig. 2 is the cutaway view of Fig. 1.
Fig. 3 is the detailed structure view of the Workpiece clamping driving mechanism shown in Fig. 1 and Fig. 2.
Detailed description of the invention
For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present invention and beneficial effect more, applicant elaborates the mode with embodiment below, but be not all the restriction to the present invention program to the description of embodiment, any done according to the present invention design only for pro forma but not substantial equivalent transformation all should be considered as technical scheme category of the present invention.
Refer to Fig. 1 and Fig. 2, provide a frame 1, the top of this frame 1 forms a framework platform 11, this framework platform 11 also can be described as rack table plate, and in frame 1, be also fixed with a door frame 12, this door frame 12 is made up of a pair of door frame crossbeam 121 of trailing arm and between a pair of trailing arm arranging that face each other, and door frame crossbeam 121 is the top corresponding to the middle position of the length direction of the slewing frame 3 that also will describe in detail below with airborne, that is to say that door frame crossbeam 121 is fixed between aforesaid a pair of trailing arm, and be positioned at the top of a pair of trailing arm, thereby make whole door frame 12 be the structure of n shape, this structure custom is called portal frame.
Provide a power drive mechanism 2, this power drive mechanism 2 is being fixed in frame 1 corresponding to the position below aforementioned framework platform 11, the slewing frame 3 of having mentioned is above positioned at the top of frame 1, more precisely be positioned at the top of framework platform 11, and then say definitely, between door frame crossbeam 121 and framework platform 11, and this slewing frame 3 is in transmission connection with power drive mechanism 2, drives its motion by power drive mechanism 2.
Above mentioned power drive mechanism 2 preferably but not the structure being definitely limited to is as follows: comprise motor 21, main, driven pulley 22, 24, driving-belt 23 and main shaft 25, the motor cabinet 212 use motor cabinet hold-down screws 2121 of motor 21 are fixed with the motor bearing seat 13 being preset in frame 1, driving wheel 21 is preferably fixed on the motor shaft 211 of motor 21 in the fixing mode of flat key, one end of driving-belt 23 is nested with on driving wheel 22, and the other end is nested with on driven pulley 24, the top and bottom of main shaft 25 are all fixed with the middle position of the length direction of slewing frame 3, the top that the upper end of this main shaft 25 leans out revolution stand 3 is bearing on the main shaft top chock 251 of being furnished with upper bearing (metal) 2511 rotationally, and main shaft top chock 251 is fixing with aforesaid door frame crossbeam 121 by top chock hold-down screw 2512.The bottom that the lower end of main shaft 25 leans out slewing frame 3 is bearing on the main shaft step 252 of being furnished with lower bearing 2521 rotationally, and main shaft step 252 is by step hold-down screw 2522 and aforesaid framework platform 11 fixing (Fig. 2 shows).Shown by Fig. 1 and Fig. 2, it is outer and and then be stretched over the below of framework platform 11 that the lower end of main shaft 25 is stretched over main shaft step 252.Driven pulley 25 is positioned at below and the same fixing mode of flat key and the lower end of main shaft 25 of preferably using of framework platform 11 to be fixed.Lower end at main shaft 25 is equipped with a collector ring 8 at the position that leans out driven pulley 24, provide power supply to support by this collector ring 8 to the wire-feed motor 33 and the welding machine 34 that are arranged on slewing frame 3, is also provided with gas tank 35 on slewing frame 3, provides CO by gas tank 35 2gas.In order to make collector ring 8 provide power supply for wire-feed motor 33 and welding machine 34 etc., thus the central authorities of aforesaid main shaft 25 form have a wire guide 253(Fig. 2 to show).
On aforementioned slewing frame 3 and the position pivotable supporting base hold-down screw 311 that is positioned at the left end of shown position state be fixed with the welding bench pivotable supporting base 31 that a pair of position corresponds to each other, and be fixed with a pair of welding bench angle adjusting seat 32 with angle adjusting seat hold-down screw 322, this a pair of welding bench angle adjusting seat 32 is corresponding to the below of a pair of welding bench pivotable supporting base 31, and a pair of welding bench angle adjusting seat 32 is banana-shaped substantially, on this pair of welding bench angle adjusting seat 32, respectively offer the screw rod adjustment tank 321 of arc, that is to say that screw rod adjustment tank 321 is curved.
Aforesaid slewing frame 3 is centered by main shaft 25, and the weight at its two ends tends to balance, and counterbalance effect can be by arranging balance weight guarantee.
In the time that motor 21 is worked, drive driving wheel 22 by motor shaft 211, drive driven pulley 24 through driving-belt 23, because driven pulley 24 and the lower end of main shaft 25 are fixed, again because slewing frame 3 is fixing with main shaft 25, and main shaft 25 is supported between door frame crossbeam 121 and framework platform 11 rotationally, thereby drive main shaft 25 to rotate by driven pulley 24, drive slewing frame 3 to rotate by main shaft 25.
In the present embodiment, aforesaid motor 21 is variable-frequency motor, by being arranged on frequency converter 213 in frame 1 to its VFC.Aforesaid driven wheel 22,24 is belt pulley, and preferably to adopt multi-channel belt pulley, aforesaid driving-belt be driving belt.
Please continue to refer to Fig. 1 and Fig. 2, provide a welding bench 4, the top of this welding bench 4 and aforesaid a pair of welding bench pivotable supporting base 31 are pivotally connected, and the bottom of welding bench 4 is connected with aforesaid a pair of welding bench angle adjusting seat 32, and be fixed with a welding gun support 41 at welding bench 4 towards a side of the Workpiece clamping platform 5 that also will describe below.As shown in Figure 1, form and have welding bench pivotable spindle nose 42 on the top of welding bench 4 and in the position corresponding to a pair of welding bench pivotable supporting base 31, welding bench pivotable spindle nose 42 coordinates with a pair of welding bench pivotable supporting base 31 pivotables, be fixed with a welding bench in the bottom of welding bench 4 and adjust screw rod 43, the two ends that this welding bench is adjusted screw rod 43 are stretched in aforementioned screw rod adjustment tank 321, and adjust at welding bench end that screw rod 43 leans out screw rod adjustment tank 321 and arrange and adjust screw rod and limit nut 431.Adjust the position of screw rod 43 in screw rod adjustment tank 321 when welding bench and set up after (adjust and determine), just limit nut 431 with adjustment screw rod and limit.In addition, be fixed with towards a side of Workpiece clamping platform 5 the Workpiece clamping platform rail plate 44 that a pair of shape of cross section is preferably swallow-tail form at welding bench 4, it is parallel that this pair of workpieces clamps platform rail plate 44, and adopt guide rail hold-down screw 441 fixing along the length direction of welding bench 4.Workpiece clamping platform 5 forms towards a side of welding bench 4 and in the position that clamps platform rail plate 44 corresponding to pair of workpieces the guide rail sliding tray 51 that has a pair of shape of cross section to be swallow-tail form, and this pair of guide rails sliding tray 51 clamps platform rail plate 44 with pair of workpieces and is slidably matched.On Workpiece clamping platform 5 and be arranged in Workpiece clamping platform 5 and be provided with the soldered one group of jaw 52 clamping of workpiece 9 that awaits welding for figure is illustrated back to a side of welding bench 4, on one group of workholding jaw 52, be respectively equipped with workpiece dog screw 521.Show in the drawings the situation that one group of workholding jaw 52 is distributed in Workpiece clamping platform 5 both sides, every side has two.
Refer to Fig. 3 and in conjunction with Fig. 1 and Fig. 2, provided a Workpiece clamping stage driving 6, this Workpiece clamping stage driving 6 is arranged on aforementioned welding bench 4 and coordinates back to a side of Workpiece clamping platform 5 and with 5 transmissions of Workpiece clamping platform.
Aforesaid Workpiece clamping stage driving 6 comprises screw drive motor 61, screw rod 62, bolt and nut 63 and Screw rod bearings seat 64, screw drive motor 61 is fixed on the side of aforementioned welding bench 4 back to Workpiece clamping platform 5, its power supply is provided by aforesaid collector ring 8, one end (left end of location status shown in Fig. 3) of screw rod 62 is in transmission connection with screw drive motor 61, and the other end of screw rod 62 (right-hand member of location status shown in Fig. 3) is bearing on Screw rod bearings seat 64 rotationally, Screw rod bearings seat is fixed on the side of welding bench 4 back to Workpiece clamping platform 5, bolt and nut 63 is disposed on screw rod 62, and be connected with aforesaid Workpiece clamping platform 5 by attachment screw 631.On welding bench 4, offer a bolt and nut slot to make way 45, aforesaid bolt and nut 63 is corresponding to this bolt and nut slot to make way 45.
In the time that screw drive motor 61 is worked along contrary (clockwise or counterclockwise), drive screw rod 62 to do corresponding rotation by it, the bolt and nut 63 that rotarily drives by screw rod 62 moves to the left or to the right on screw rod 62, because bolt and nut 63 is connected with Workpiece clamping platform 5 by attachment screw 631, thereby bolt and nut 63 drives Workpiece clamping platform 5 following pair of workpieces to clamp platform rail plate 44 and move forward or backward, drive by Workpiece clamping platform 5 the corresponding movement of workpiece 9 clamping on it, for the welding gun 7 of Fig. 1 and Fig. 2 signal, its (workpiece 9) is welded.
Aforesaid welding gun 7 arranges on welding gun support 41, and corresponding to the top of Workpiece clamping platform 5.As shown in Figure 1, welding gun 7 is adjusted arm 71 by welding gun and is arranged on welding gun support 41, and adjust on arm 71 and offer a welding torch position adjustment tank 711 at welding gun, welding gun 7 is being fixed on corresponding to the position of welding torch position adjustment tank 711 on welding gun adjustment arm 71, and fixing with limiting nut 72.In the time that welding gun 7 is worked, carry welding wire with aforesaid wire-feed motor 33 Butt welding guns 7, controlled the source of welding current and the voltage swing of welding gun 7 by welding machine 34, etc., gas tank 35 provides CO 2gas.
Because relation and function between welding gun 7, wire-feed motor 33, welding machine 34 and gas tank 35 belong to known technology, the CN201283462Y that for example can mention in the above referring to applicant, thereby applicant repeats no more.
In the time will welding workpiece 9, first workpiece 9 is placed on Workpiece clamping platform 5, by workholding jaw 52, workpiece is clamped, and the angle of welding bench 4 is adjusted to screw rod 43 by welding bench and on a pair of welding bench angle adjusting seat 32, adjust, the electric current of the wire feed rate to wire-feed motor 33, welding machine 34 and voltage are with the CO of gas tank 35 in addition 2gas flow regulates, and is controlled the speed of motor 21 by frequency converter 213.In the time of welding, make whole slewing frame 3 in rotation status by applicant's description to power drive mechanism 2 in the above, workpiece 9 is implemented under Elevated Gravity to welding thereby embody welding gun 7, be that is to say that aforementioned welding bench 4, Workpiece clamping platform 5 and even the workpiece 9 etc. that make to be contained on slewing frame 3 produce required centripetal force in rotary course.The experiment of doing through the applicant shows: the present invention has the low and little strong point of deflection of residual stress when workpiece 9 is welded, be particularly suitable for the welding to thering is harsh requirement (residual stress, deflection) part, and can obtain the good welding effect to workpiece 9, there is positive reference for the welding of future under the Elevated Gravity of the space away from the earth, celestial body and so on simultaneously.

Claims (10)

1. a gas metal-arc welding welder under Elevated Gravity, is characterized in that comprising a frame (1); One power drive mechanism (2), this power drive mechanism (2) is arranged in described frame (1); Single-revolution framework (3), this slewing frame (3) is corresponding to the top of described frame (1), and be in transmission connection with described power drive mechanism (2), be provided with a pair of welding bench pivotable supporting base (31) and a pair of welding bench angle adjusting seat (32) in one end of this slewing frame (3), this pair of welding bench angle adjusting seat (32) is corresponding to the below of a pair of welding bench pivotable supporting base (31); One welding bench (4), the top of this welding bench (4) and described a pair of welding bench pivotable supporting base (31) are pivotally connected, and the bottom of welding bench (4) is connected with described a pair of welding bench angle adjusting seat (32), on this welding bench (4), be fixed with a welding gun support (41); One Workpiece clamping platform (5), this Workpiece clamping platform (5) is disposed on described welding bench (4) slidably; One Workpiece clamping stage driving (6), this Workpiece clamping stage driving (6) is arranged on described welding bench (4) and coordinates back to a side of described Workpiece clamping platform (5) and with Workpiece clamping platform (5) transmission; One welding gun (7), it is upper that this welding gun (7) is arranged on described welding gun support (41), and corresponding to the top of described Workpiece clamping platform (5); Wherein: on described slewing frame (3), be provided with one for provide to described welding gun (7) welding wire wire-feed motor (33), one for welding machine (34) and the gas tank (35) for the welding position place conveying gas to welding gun (7) of welding gun (7) electrical connection.
2. gas metal-arc welding welder under Elevated Gravity according to claim 1, the top formation that it is characterized in that described frame (1) has a framework platform (11), and in frame (1), be also fixed with a door frame (12), the door frame crossbeam (121) of this door frame (12) is the top corresponding to the middle position of the length direction of described slewing frame (3) with airborne, and this slewing frame (3) is in transmission connection in the position corresponding between door frame crossbeam (121) and framework platform (11) and described power drive mechanism (2).
3. gas metal-arc welding welder under Elevated Gravity according to claim 2, it is characterized in that described power drive mechanism (2) comprises motor (21), driving wheel (22), driving-belt (23), driven pulley (24) and main shaft (25), motor (21) is fixing in position and the described frame (1) of the below corresponding to described framework platform (11), driving wheel (22) is fixed on the motor shaft (211) of motor (21), one end of driving-belt (23) is nested with on driving wheel (22), and the other end is nested with on driven pulley (24), main shaft (25) is fixed with the middle position of the length direction of described slewing frame (3), and the top that the upper end of this main shaft (25) leans out slewing frame (3) is bearing on described door frame crossbeam (121) rotationally, and leaning out the bottom of slewing frame (3), the lower end of main shaft (25) is bearing in rotationally on described framework platform (11), and the lower end of main shaft (25) is also stretched over the below of framework platform (11), driven pulley (24) is positioned at the below of framework platform (11) and fixes with the lower end of described main shaft (25), wherein: be equipped with a collector ring (8) in the lower end of described main shaft (25) and in the position of the below corresponding to described driven pulley (24).
4. gas metal-arc welding welder under Elevated Gravity according to claim 3, is characterized in that described motor (21) is variable-frequency motor; Described driving wheel (22) and driven pulley (24) are belt pulley, and described driving-belt (23) is driving belt.
5. gas metal-arc welding welder under Elevated Gravity according to claim 1, it is characterized in that on the top of described welding bench (4) and form and have welding bench pivotable spindle nose (42) in the position of a pair of welding bench pivotable supporting base (31) corresponding to described, welding bench pivotable spindle nose (42) coordinates with a pair of welding bench pivotable supporting base (31) pivotable, on described a pair of welding bench angle adjusting seat (321), respectively offer a screw rod adjustment tank (321), be fixed with a welding bench in the bottom of described welding bench (4) and adjust screw rod (43), the two ends that this welding bench is adjusted screw rod (43) are stretched in described screw rod adjustment tank (321), and be equipped with and adjust screw rod restriction nut (431).
6. gas metal-arc welding welder under Elevated Gravity according to claim 1, it is characterized in that on described welding bench (4) and be positioned at welding bench (4) being fixed with a pair of parallel Workpiece clamping platform rail plate (44) towards a side of described Workpiece clamping platform (5), this pair of workpieces clamps platform rail plate (44) and fixes along the length direction of welding bench (4), form pair of guide rails sliding tray (51) at described Workpiece clamping platform (5) towards a side of welding bench (4) and in the position that clamps platform rail plate (44) corresponding to described pair of workpieces, pair of guide rails sliding tray (51) clamps platform rail plate (44) with pair of workpieces and is slidably matched.
7. according to the gas metal-arc welding welder under the Elevated Gravity described in claim 1 or 6; it is characterized in that on described Workpiece clamping platform (5) and be positioned at Workpiece clamping platform (5) being provided with the one group of workholding jaw (52) for soldered workpiece is clamped back to a side of described welding bench (4), on one group of workholding jaw (52), be respectively equipped with workpiece dog screw (521).
8. gas metal-arc welding welder under Elevated Gravity according to claim 1, it is characterized in that described Workpiece clamping stage driving (6) comprises screw drive motor (61), screw rod (62), bolt and nut (63) and Screw rod bearings seat (64), screw drive motor (61) is fixed on the side of described welding bench (4) back to described Workpiece clamping platform (5), one end of screw rod (62) and screw drive motor (61) are in transmission connection, and the other end of screw rod (62) is bearing on Screw rod bearings seat (64) rotationally, Screw rod bearings seat (64) is fixed on the side of welding bench (4) back to Workpiece clamping platform (5), bolt and nut (63) is disposed in screw rod (62) above and is fixedly connected with Workpiece clamping platform (5).
9. gas metal-arc welding welder under Elevated Gravity according to claim 1, the welding gun (7) described in it is characterized in that is adjusted arm (71) by welding gun and is arranged on described welding gun support (41).
10. gas metal-arc welding welder under Elevated Gravity according to claim 9; it is characterized in that adjusting on arm (71) and offering welding torch position adjustment tank (711) at described welding gun, described welding gun (7) is being fixed on corresponding to the position of welding torch position adjustment tank (711) on welding gun adjustment arm (71).
CN201410142652.9A 2014-04-11 2014-04-11 Gas metal-arc welding welder under Elevated Gravity Active CN103920973B (en)

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Publication number Priority date Publication date Assignee Title
CN105108286A (en) * 2015-09-09 2015-12-02 江苏诚超铝业有限公司 Welding apparatus of gas metal arc welding under super-gravity environment
CN109623379A (en) * 2019-02-25 2019-04-16 *** Big-canopy framework is forming and welding integrated
CN112238284A (en) * 2020-09-23 2021-01-19 石玉班 Gas metal arc welding device suitable for hypergravity environment

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USRE29190E (en) * 1972-05-01 1977-04-19 Mark K Industries Automatic dredge pump rebuilder
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Publication number Priority date Publication date Assignee Title
CN105108286A (en) * 2015-09-09 2015-12-02 江苏诚超铝业有限公司 Welding apparatus of gas metal arc welding under super-gravity environment
CN109623379A (en) * 2019-02-25 2019-04-16 *** Big-canopy framework is forming and welding integrated
CN109623379B (en) * 2019-02-25 2024-05-03 *** Greenhouse skeleton forming and welding integrated machine
CN112238284A (en) * 2020-09-23 2021-01-19 石玉班 Gas metal arc welding device suitable for hypergravity environment

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