CN110014249B - Welding method and equipment for connecting flange and metal pipeline - Google Patents
Welding method and equipment for connecting flange and metal pipeline Download PDFInfo
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- CN110014249B CN110014249B CN201910274782.0A CN201910274782A CN110014249B CN 110014249 B CN110014249 B CN 110014249B CN 201910274782 A CN201910274782 A CN 201910274782A CN 110014249 B CN110014249 B CN 110014249B
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- 238000003466 welding Methods 0.000 title claims abstract description 201
- 239000002184 metal Substances 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims description 10
- 244000309464 bull Species 0.000 claims description 13
- 238000003754 machining Methods 0.000 claims description 13
- 230000007935 neutral effect Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
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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 for a procedure covered by only one of the other main groups of this subclass
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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 for a procedure covered by only one of the other main groups of this subclass
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0211—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track
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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 for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0536—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work aligning cylindrical work; Clamping devices therefor for maintaining flanges on tubes
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Abstract
The invention relates to the technical field of flange welding. A welding device for connecting a flange and a metal pipeline comprises a support, a workpiece moving and rotating device and a human body moving and rotating device, wherein the workpiece moving and rotating device comprises a workpiece lifting module, a workpiece supporting and rotating module, a workpiece supporting frame, a workpiece rotating module and a workpiece clamp; the workpiece lifting module is arranged on the bracket, the workpiece supporting rotating module is arranged on the workpiece lifting module, one end of the workpiece supporting frame is arranged on the workpiece supporting rotating module, the workpiece rotating module is arranged at the other end of the workpiece supporting frame, a welding opening is formed in the bottom of the workpiece supporting frame, which is positioned below the workpiece rotating module, and the workpiece clamp is arranged on the workpiece rotating module; the human body moving and rotating device comprises a rotating base, a human body supporting frame, a human body lifting module, a human body front-back moving module, a welding module and a working chair. The invention has the beneficial effects that: improve welding quality, alleviate workman's welding pressure, improve welding efficiency.
Description
Technical Field
The invention relates to the technical field of flange welding.
Background
At present, all fix the tubular metal resonator on certain position or certain angle at large-scale tubular metal resonator and flange welding process, carry operating personnel to approximate welding position through the lift, operating personnel need stand and carry out weldment work, and because operating personnel's position can't be in best welding position, make operating personnel need very high welding technique in welding process, be difficult to the welded angle to need the adjustment that operating personnel constantly carried out the position a bit, powerful operating pressure has been brought for operating personnel, and can make the welding quality between tubular metal resonator and the flange influenced greatly. And at present, the metal pipe and the connecting flange are welded in an inner welding mode and an outer welding mode, and the two modes are respectively welded by different welding devices, so that the cost is increased, and the welding efficiency is also reduced.
The prior art is improved, for example, a bent pipe flange welding tool disclosed in the chinese utility model with application number CN201420259747.4, which comprises a rotary working platform, a magnetic support body and an inner support rod attracted with the magnetic support body; one end of the inner support rod is fixed on the rotary working platform and is a fixed end, the other end of the inner support rod is a free end, the inner support rod is used for supporting the inner side wall of the elbow, and the ridge part of the outer side wall of the inner support rod is in a bent shape consistent with the corresponding position of the inner side wall of the elbow; the magnetic support is used for being attached to the back of the bent pipe close to the fixed end. The utility model discloses the slope of the relative ring flange of return bend that the eccentricity leads to can be corrected to return bend flange welding frock, has reduced the geometric tolerances after the welding of return bend and ring flange, has improved the welding quality of return bend and ring flange. However, the equipment cannot realize the inner welding and the outer welding at the same time, so that the welding efficiency cannot be improved, and the equipment cost cannot be reduced.
Disclosure of Invention
The purpose of the invention is: aiming at the defects in the prior art, the workpiece is moved to a proper machining position through the workpiece moving and rotating device and is adjusted to a proper machining angle through rotation, so that the welding quality is improved; the rotating device is moved to select a proper machining position, so that the welding pressure of operators is reduced, and the welding efficiency is improved; meanwhile, the equipment is welded by two welding modes of inner welding and outer welding, and the equipment cost is reduced.
For the purpose of the invention, the following technical scheme is adopted for realizing the purpose:
a welding device for connecting a flange and a metal pipeline comprises a support, a workpiece moving and rotating device and a human body moving and rotating device, wherein the workpiece moving and rotating device comprises a workpiece lifting module, a workpiece supporting and rotating module, a workpiece supporting frame, a workpiece rotating module and a workpiece clamp; the workpiece lifting module is arranged on the bracket, the workpiece supporting and rotating module is arranged on the workpiece lifting module, and the workpiece supporting and rotating module completes up-and-down movement on the workpiece lifting module; one end of the workpiece support frame is arranged on the workpiece support rotating module, and the workpiece support frame completes rotation through the workpiece support rotating module; the workpiece rotating module is arranged at the other end of the workpiece supporting frame, a welding opening is formed in the bottom of the workpiece supporting frame, which is positioned below the workpiece rotating module, and the workpiece clamp is arranged on the workpiece rotating module; the human body moving and rotating device comprises a rotating base, a human body supporting frame, a human body lifting module, a human body front-back moving module, a welding module and a working chair; the rotating base is arranged on the bracket, the human body supporting frame is arranged on the rotating base, and the human body supporting frame rotates on the rotating base; the human body lifting module is arranged on the human body support frame and moves on the human body support frame; the human body forward-backward moving module is arranged on the human body lifting module and moves forward and backward on the human body lifting module; the welding module is arranged at the rear end of the human body front-back moving module; the welding module is used for welding a workpiece on the workpiece clamp; the working chair is arranged on one side of the human body forward and backward moving module. The workpiece is moved to a proper machining position through the workpiece moving and rotating device and is adjusted to a proper machining angle through rotation, and welding quality is improved; and welding operation personnel select the proper processing position through the human body movement rotating device, so that the welding pressure of the operation personnel is reduced, and the welding efficiency is improved.
Preferably, the workpiece lifting module comprises a workpiece lifting bracket, a workpiece lifting motor, a gear box and a workpiece lifting chain; the workpiece lifting support is arranged on the support through a support frame; the workpiece lifting motor is arranged at the top of the workpiece lifting support, and the gear box is connected and matched with the workpiece lifting motor; the workpiece lifting chains are respectively arranged on the gears at the front side and the rear side of the gear box; the workpiece supporting and rotating module comprises a workpiece supporting plate, a workpiece supporting and rotating motor, a workpiece supporting pinion and a workpiece supporting bull gear; the workpiece supporting plate is arranged at the left part of the workpiece lifting support through a first sliding rail, the workpiece lifting chain is connected with the right part of the workpiece supporting plate, and the workpiece lifting chain drives the workpiece supporting plate to lift; the workpiece supporting rotating motor is arranged on the rear side of the right part of the workpiece supporting plate; the workpiece supporting pinion is connected with a rotating shaft of a workpiece supporting rotating motor; the workpiece supporting large gear is meshed with the workpiece supporting small gear; the workpiece support frame is fixedly arranged on the workpiece support gear wheel to complete rotation. The workpiece lifting module and the workpiece supporting and rotating module are used for completing lifting and rotating of the workpiece, and welding efficiency is improved.
Preferably, the workpiece rotating module comprises a workpiece motor, a workpiece pinion and a workpiece gearwheel; the workpiece motor is arranged at the right part of the workpiece support frame; the workpiece pinion is connected with a rotating shaft of a workpiece motor, and the workpiece gearwheel is meshed with the workpiece pinion; the workpiece gearwheel is arranged on the welding opening through a gear mounting plate; the workpiece clamps comprise clamping adjusting bottom plates, adjusting screws and clamping top plates; the clamping adjusting bottom plate is provided with a strip-shaped through hole, and the adjusting screw is arranged in the strip-shaped through hole; the gear mounting plate is provided with a screw hole, the clamping adjusting bottom plate is arranged on the gear mounting plate in the screw hole through an adjusting screw, and the clamping top plate is fixedly arranged at the inner end of the clamping adjusting bottom plate through a screw. The workpiece is fixed through the workpiece clamp, and the angle of the workpiece is adjusted through the workpiece rotating module, so that the welding efficiency is improved.
Preferably, the rotating base is provided with a human body rotating motor, and the rotating base is driven to rotate by the human body rotating motor; the human body lifting module comprises a human body lifting frame motor, a human body lifting gear box, a human body lifting chain and a lifting frame; the human body lifting gear box is connected and matched with the human body lifting motor; the human body lifting chains are respectively arranged on the gears at the front side and the rear side of the gear box; the middle part of the human body support frame is provided with a neutral gear, the lifting frame is arranged on the neutral gear through a second slide rail, the left part of the lifting frame is connected with a human body lifting chain, the human body lifting chain drives the lifting frame to lift, the middle part of the lifting frame is provided with a cavity, and the human body back-and-forth moving module comprises a back-and-forth moving frame, a back-and-forth moving motor, a back-and-forth moving gear and a back-and-forth; the front and back moving frame is arranged on the cavity of the lifting frame through a third slide rail; the front-back moving motor is arranged on the outer wall of the left part of the lifting frame, the front-back moving gear is connected with the front-back moving motor, the front-back moving gear is arranged in a cavity of the lifting frame, and the front-back moving rack is meshed with the front-back moving gear. The adjustment of the human body position is completed through the rotating base, and the height adjustment of an operator is completed through the human body lifting module, so that the operator can further select the proper machining angle and machining position.
Preferably, the welding module comprises a left-right moving electric cylinder, a front-back moving electric cylinder, a top-down moving electric cylinder, a welding support plate and a welding gun; the front and rear moving electric cylinder is arranged on a moving plate of the left and right moving electric cylinder through an electric cylinder connecting plate, and the up and down moving electric cylinder is arranged on the moving plate of the front and rear moving electric cylinder; one end of the welding support plate is fixedly connected to a moving plate of the up-and-down moving electric cylinder; the other end of the welding support plate is hinged with the welding support plate. The welding gun in the welding module can rotate in a hinged mode, and the welding angle of an operator during welding is further convenient to adjust.
Preferably, the working chair is arranged on the right side of the rear end of the front and rear movable frame through a working chair connecting plate. The comfort level of the operator during welding is increased.
Preferably, the number of the workpiece clamps is three, and the three workpiece clamps are distributed on the outer ring of the large workpiece gear in a regular triangle shape at three points. The fixation of the work piece is further enhanced by three work piece holders.
Preferably, the distance between the clamping top plate and the clamping adjusting bottom plate is matched with the thickness of the workpiece. Further stabilizing the workpiece.
Preferably, the workpiece support frame is perpendicular to the front and rear moving frames. The welding processing is better carried out to operating personnel of being convenient for.
A welding method for a connecting flange and a metal pipeline sequentially comprises the following steps:
firstly, workpiece installation and fixation: manually clamping and fixing the connecting flange on the workpiece supporting frame through three workpiece clamps;
(II) workpiece position adjustment: the workpiece supporting and rotating module is driven to lift to a proper position through the workpiece lifting module, the workpiece supporting and rotating module drives the workpiece supporting frame to rotate to a proper welding angle, and the workpiece is rotated and adjusted to an optimal welding position through the workpiece rotating module;
(III) human body position adjustment: a worker sits on the working chair, rotates and adjusts to a proper welding position through the rotating base, ascends to a proper welding height through the human body lifting module, moves to a proper welding distance through the human body front-back moving module, and adjusts to a proper welding angle and welding distance through the welding module;
(IV) workpiece welding mode: processing according to the processing requirement, enabling the internal welding position of the workpiece to face an operator through rotation, and processing in an internal welding processing mode; the outer welding position of the workpiece faces to an operator through rotation, and the workpiece is machined through an outer welding machining mode.
Compared with the prior art, the invention has the beneficial effects that: the equipment completes the lifting of the workpiece through the workpiece lifting module, thereby further facilitating the adjustment of the height of the workpiece; the workpiece is driven to rotate by the workpiece supporting and rotating module and the workpiece rotating module, so that the angle of the workpiece is further convenient to adjust; the fixation of the workpiece is further enhanced by the three workpiece clamps; the welding direction of an operator can be further conveniently adjusted by rotating the base; the welding height and the welding distance of an operator can be further conveniently adjusted through the human body lifting module and the human body forward-backward moving module; the welding gun is convenient to adjust through an electric cylinder in the welding module; the welding opening is formed in the workpiece support frame 23, so that external welding and internal welding can be realized, the equipment cost is reduced, and the welding efficiency is improved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the workpiece lifting module and the workpiece support rotating module.
Fig. 3 is a schematic structural view of the workpiece rotating module and the workpiece holder.
Fig. 4 is a schematic structural diagram of the human body movement rotating device.
Fig. 5 is a schematic structural diagram of a welding module.
The labels in the figures are: a support 1, a workpiece moving and rotating device 2, a workpiece lifting module 21, a workpiece lifting support 211, a support 2111, a workpiece lifting motor 212, a gear box 213, a workpiece supporting and rotating module 22, a workpiece support plate 221, a workpiece supporting and rotating motor 222, a workpiece supporting pinion 223, a workpiece supporting gearwheel 224, a gear shield 225, a workpiece support 23, a welding opening 231, a workpiece rotating module 24, a workpiece motor 241, a workpiece pinion 242, a workpiece gearwheel 243, a gear mounting plate 244, a screw hole 2441, a gear shield 245, a workpiece clamp 25, a clamping adjusting bottom plate 251, a strip-shaped through hole 2511, an adjusting screw 252, a clamping top plate 253, a human body moving and rotating device 3, a rotating base 31, a human body rotating motor 311, a human body support 32, a human body lifting module 33, a human body lifting motor 331, a human body lifting gear box 332, a human body lifting chain, The welding machine comprises a human body front-back moving module 34, a front-back moving frame 341, a front-back moving motor 342, a front-back moving gear 343, a front-back moving rack 344, a welding module 35, a left-right moving electric cylinder 351, a front-back moving electric cylinder 352, an up-down moving electric cylinder 353, a welding support plate 354, a welding gun 355 and a working chair 36.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, as indicating orientations or positional relationships, are based on the orientation or positional relationships of the figures, are used for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1, a welding apparatus for connecting a flange and a metal pipe is characterized in that the apparatus comprises a support 1, a workpiece moving and rotating device 2 and a human body moving and rotating device 3, wherein the workpiece moving and rotating device 2 comprises a workpiece lifting module 21, a workpiece supporting and rotating module 22, a workpiece supporting frame 23, a workpiece rotating module 24 and a workpiece clamp 25; the workpiece lifting module 21 is arranged on the bracket 1, the workpiece supporting and rotating module 22 is arranged on the workpiece lifting module 21, and the workpiece supporting and rotating module 22 finishes up-and-down movement on the workpiece lifting module 21; one end of the workpiece support frame 23 is arranged on the workpiece support rotating module 22, and the workpiece support frame 23 completes rotation through the workpiece support rotating module 22; the workpiece rotating module 24 is arranged at the other end of the workpiece supporting frame 23, and a welding opening 231 is arranged at the bottom of the workpiece supporting frame 23 below the workpiece rotating module 24, so that the device can be conveniently welded in an inner welding or outer welding mode. The work holder 25 is provided on the work rotating module 24; the human body moving and rotating device 3 comprises a rotating base 31, a human body supporting frame 32, a human body lifting module 33, a human body front-back moving module 34, a welding module 35 and a working chair 36; the rotating base 31 is arranged on the bracket 1, the human body support frame 32 is arranged on the rotating base 31, and the human body support frame 32 rotates on the rotating base 31; the human body lifting module 33 is arranged on the human body support frame 32, and the human body lifting module 33 moves on the human body support frame 32; the human body forward and backward moving module 34 is arranged on the human body lifting module 33, and the human body forward and backward moving module 34 moves forward and backward on the human body lifting module 33; the welding module 35 is arranged at the rear end of the human body front-back moving module 34; the welding module 35 is used for welding workpieces on the workpiece fixture 25; the working chair 36 is arranged on one side of the human body front-back moving module 34, and the working chair 36 increases the comfort degree of operators during welding. The equipment further facilitates the welding process of operators through the workpiece moving and rotating device 2 and the human body moving and rotating device 3, and the workpiece support frame 23 is provided with a welding opening 231 which can be processed in an inner welding or outer welding mode.
As shown in fig. 1 and 2, the workpiece lifting module 21 includes a workpiece lifting bracket 211, a workpiece lifting motor 212, a gear box 213, and a workpiece lifting chain; the workpiece lifting support 211 is arranged on the support 1 through a support frame 2111; the workpiece lifting motor 212 is arranged at the top of the workpiece lifting bracket 211, and the gear box 213 is connected and matched with the workpiece lifting motor 212; the workpiece lifting chains are respectively arranged on the gears at the front side and the rear side of the gear box 213; the workpiece support rotation module 22 includes a workpiece support plate 221, a workpiece support rotation motor 222, a workpiece support pinion 223, a workpiece support bull gear 224, and a gear guard 225; the workpiece supporting plate 221 is arranged at the left part of the workpiece lifting support 211 through a first slide rail, the workpiece lifting chain is connected with the right part of the workpiece supporting plate 221, and the workpiece lifting chain drives the workpiece supporting plate 221 to lift; the workpiece support rotary motor 222 is provided on the rear right side of the workpiece support plate 221; the workpiece support pinion 223 is connected to the rotating shaft of the workpiece support rotating motor 222; the work support bull gear 224 is engaged with the work support pinion 223; a gear guard 225 is provided on the workpiece support gearwheel 224 and the workpiece support pinion 223; the workpiece support bracket 23 is fixedly arranged on the workpiece support gearwheel 224 to complete rotation.
During operation, the workpiece lifting motor 212 rotates to drive the gear in the gear box 213 to rotate, and the gear in the gear box 213 drives the workpiece lifting chain to rotate, so as to control the workpiece supporting plate 221 to lift on the workpiece lifting support 211 through the first sliding rail. The workpiece lifting module 21 is used for further facilitating the height adjustment of the workpiece, so that an operator can select the proper height to weld, and the structure is more flexible. The workpiece support small gear 223 is driven to rotate by the rotation of the workpiece support rotating motor 222, and the workpiece support small gear 223 drives the workpiece support big gear 224 to rotate; the workpiece support pinion 223 and the workpiece support bull gear 224 are protected by a gear guard 225 to prevent foreign matter from entering and locking the gears. The workpiece support frame 23 is driven to rotate back and forth by the workpiece support bull gear 224. The workpiece supporting and rotating module 22 is used for further facilitating the adjustment of the machining angle of the workpiece, so that an operator can select a proper angle to weld, and can rotate to the machining angle of inner welding or outer welding to process, and the convenience of welding is further improved.
The workpiece rotation module 24, as shown in fig. 1 and 3, includes a workpiece motor 241, a workpiece pinion gear 242, a workpiece bull gear 243, and; the workpiece motor 241 is arranged at the right part of the workpiece support frame 23; the workpiece pinion 242 is connected with a rotating shaft of the workpiece motor 241, and the workpiece bull gear 243 is meshed with the workpiece pinion 242; the workpiece bull gear 243 is disposed on the welding opening 231 through the gear mounting plate 244; the number of the workpiece clamps 25 is three, and the three workpiece clamps 25 are distributed on the outer ring of the large workpiece gear 243 in a regular triangle at three points. The fixation of the work piece is further enhanced by three work holders 25. Each workpiece clamp 25 comprises a clamping adjusting bottom plate 251, an adjusting screw 252 and a clamping top plate 253; a strip-shaped through hole 2511 is formed in the clamping adjusting bottom plate 251, and the adjusting screw 252 is arranged in the strip-shaped through hole 2511; the gear mounting plate 244 is provided with a screw hole 2441, the clamping adjustment bottom plate 251 is arranged on the gear mounting plate 244 by arranging an adjustment screw 252 in the screw hole 2441, and the clamping top plate 253 is fixedly arranged at the inner end of the clamping adjustment bottom plate 251 by a screw 254. The distance between the clamping top plate 253 and the clamping adjusting bottom plate 251 is matched with the thickness of the workpiece.
During operation, the workpiece motor 241 drives the workpiece pinion 242 to rotate, the workpiece pinion 242 drives the workpiece bull gear 243 to rotate, and the gear shield 245 protects the workpiece bull gear 243 and the workpiece pinion 242 to prevent foreign matters from entering and blocking the gear. The workpiece bull gear 243 drives the workpiece fixture 25 to rotate left and right through the gear mounting plate 244, and the workpiece rotating module 24 is used for further facilitating the adjustment of the welding angle of the workpiece, so that an operator can select a proper welding angle, and the structure is more flexible. Through the fixed setting of flange between pressing from both sides tight roof 253 and pressing from both sides tight regulation bottom plate 251, move in bar through-hole 2511 through adjusting screw 252 convenient fixed and adjust according to the not equidimension of flange, increase the stability of flange on gear mounting plate 244 through pressing from both sides tight roof 253 and pressing from both sides tight regulation bottom plate 251, further promote welding quality, alleviate operating personnel welded pressure.
As shown in fig. 1, 4 and 5, a human body rotating motor 311 is disposed on the rotating base 31, and the rotating base 31 is driven to rotate by the human body rotating motor 311; the human body lifting module 33 comprises a human body lifting frame motor 331, a human body lifting gear box 332, a human body lifting chain and a lifting frame 333; the human body lifting frame motor 331 is arranged at the top of the human body supporting frame 32, and the human body lifting gear box 332 is connected and matched with the human body lifting frame motor 331; the human body lifting chains are respectively arranged on the gears at the front side and the rear side of the human body lifting gear box 332; the middle part of the human body support frame 32 is provided with a neutral gear 321, the lifting frame 333 is arranged on the neutral gear 321 through a second slide rail, the left part of the lifting frame 333 is connected with a human body lifting chain, the human body lifting chain drives the lifting frame 333 to lift, the middle part of the lifting frame 333 is provided with a cavity 3331, and the human body back-and-forth moving module 34 comprises a back-and-forth moving frame 341, a back-and-forth moving motor 342, a back-and-forth moving gear 343; the workpiece support frame 23 is perpendicular to the front and rear movable frame 341, which facilitates better welding by an operator. The front and rear moving frame 341 is arranged on the cavity 3331 of the lifting frame 333 through a third slide rail; the front and rear moving motor 342 is disposed on the outer wall of the left portion of the lifting frame 333, the front and rear moving gear 343 is connected to the front and rear moving motor 342, the front and rear moving gear 343 is disposed in the cavity 3331 of the lifting frame 333, and the front and rear moving rack 344 is engaged with the front and rear moving gear 343. The welding module 35 comprises a left-right moving electric cylinder 351, a front-back moving electric cylinder 352, an up-down moving electric cylinder 353, a welding support plate 354 and a welding gun 355; the front-rear moving cylinder 352 is arranged on the moving plate of the left-right moving cylinder 351, and the up-down moving cylinder 353 is arranged on the moving plate of the front-rear moving cylinder 352; one end of the welding support plate 354 is fixedly connected to the moving plate of the up-and-down moving electric cylinder 353; the other end of the welding support plate 354 is hinged to a welding gun 355. The working chair 36 is provided on the right side of the rear end of the front and rear movable frame 341 through a working chair connecting plate 361.
When the human body lifting frame is in work, the human body lifting frame motor 331 drives the gear in the human body lifting gear box 332 to rotate, the gear in the lifting gear box 332 drives the human body lifting chain to rotate, and therefore the lifting frame 333 moves up and down in the neutral position 321 in the human body supporting frame 32 through the second sliding rail. The height adjustment of the operator is further facilitated through the human body lifting module 33, so that the operator can select the proper height to weld, and the structure is more flexible. The front-back moving gear 343 is rotated by the front-back moving motor 342, and the front-back moving gear 343 is rotated to move on the front-back moving rack 344, so that the front-back moving frame 341 moves back and forth in the cavity 3331 of the lifting frame 333 through the third sliding rail. The front-back distance of the operator can be further adjusted conveniently through the human body front-back movement module 34, so that the operator can select the proper welding distance, and the structure has more flexibility and adjustability. The welding module 35 is driven to move back and forth by the human body front and back movement module 34, the welding module 35 moves in all directions by moving the electric cylinder 351 left and right, moving the electric cylinder 352 front and back and moving the electric cylinder 353 up and down, and the welding gun 355 is hinged and rotatable on the welding support plate 354, so that the welding of an operator is more flexible and convenient.
A welding method of welding equipment for connecting a flange and a metal pipeline sequentially comprises the following steps:
firstly, workpiece installation and fixation: manually clamping and fixing the connecting flange on the workpiece supporting frame 23 through three workpiece clamps 25;
(II) workpiece position adjustment: the workpiece supporting and rotating module 22 is driven to lift to a proper position through the workpiece lifting module 21, the workpiece supporting and rotating module 22 drives the workpiece supporting frame 23 to rotate to a proper welding angle, and the workpiece is rotated and adjusted to an optimal welding position through the workpiece rotating module 24;
(III) human body position adjustment: a worker sits on the working chair 36, rotates and adjusts to a proper welding position through the rotating base 31, ascends to a proper welding height through the human body lifting module 33, moves to a proper welding distance through the human body front-back moving module 34, and adjusts to a proper welding angle and welding distance through the welding module 35;
(IV) workpiece welding mode: processing according to the processing requirement, enabling the internal welding position of the workpiece to face an operator through rotation, and processing in an internal welding processing mode; the outer welding position of the workpiece faces to an operator through rotation, and the workpiece is machined through an outer welding machining mode.
Internal welding: the bottom of the welding opening 231 on the workpiece support frame 23 is directed to the operator on the work chair 36 by the workpiece support rotation module 22, so that the operator enters the interior of the welding connection flange and the bent pipe through the welding gun from below the welding opening 231 of the workpiece support frame 23.
External welding: the top of the welding opening 231 on the workpiece support frame 23 is directed to the operator on the working chair 36 through the workpiece support rotation module 22, so that the operator can weld the connecting flange and the outer part of the metal bent pipe through the welding gun from the welding position above the welding opening 231 of the workpiece support frame 23.
In conclusion, the equipment completes the lifting of the workpiece through the workpiece lifting module 21, so that the height of the workpiece is further convenient to adjust; the workpiece is driven to rotate by the workpiece supporting and rotating module 22 and the workpiece rotating module 24, so that the angle of the workpiece is further convenient to adjust; the fixation of the work piece is further enhanced by three work piece holders 25; the welding orientation of the operator is further convenient to adjust by rotating the base 31; the welding height and the welding distance of an operator are further convenient to adjust through the human body lifting module 33 and the human body front-back moving module 34; adjustment of the welding gun 355 is facilitated by an electric cylinder in the welding module 35; the welding opening is formed in the workpiece support frame 23, so that external welding and internal welding can be realized, the equipment cost is reduced, and the welding efficiency is improved.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention, including any reference to the above-mentioned embodiments. Various modifications to these embodiments will be readily apparent to those skilled in the art. The general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The welding equipment for the connecting flange and the metal pipeline is characterized by comprising a support (1), a workpiece moving and rotating device (2) and a human body moving and rotating device (3), wherein the workpiece moving and rotating device (2) comprises a workpiece lifting module (21), a workpiece supporting and rotating module (22), a workpiece supporting frame (23), a workpiece rotating module (24) and a workpiece clamp (25); the workpiece lifting module (21) is arranged on the bracket (1), the workpiece supporting and rotating module (22) is arranged on the workpiece lifting module (21), and the workpiece supporting and rotating module (22) completes up-and-down movement on the workpiece lifting module (21); one end of the workpiece support frame (23) is arranged on the workpiece support rotating module (22), and the workpiece support frame (23) completes rotation through the workpiece support rotating module (22); the workpiece rotating module (24) is arranged at the other end of the workpiece supporting frame (23), a welding opening (231) is formed in the bottom of the workpiece supporting frame (23) and is positioned below the workpiece rotating module (24), and the workpiece clamp (25) is arranged on the workpiece rotating module (24); the human body moving and rotating device (3) comprises a rotating base (31), a human body supporting frame (32), a human body lifting module (33), a human body front-back moving module (34), a welding module (35) and a working chair (36); the rotating base (31) is arranged on the bracket (1), the human body supporting frame (32) is arranged on the rotating base (31), and the human body supporting frame (32) rotates on the rotating base (31); the human body lifting module (33) is arranged on the human body support frame (32), and the human body lifting module (33) moves on the human body support frame (32); the human body front-and-back moving module (34) is arranged on the human body lifting module (33), and the human body front-and-back moving module (34) moves back and forth on the human body lifting module (33); the welding module (35) is arranged at the rear end of the human body front-back moving module (34); the welding module (35) is used for welding workpieces on the workpiece clamp (25); the working chair (36) is arranged on one side of the human body front-back moving module (34);
the workpiece lifting module (21) comprises a workpiece lifting bracket (211), a workpiece lifting motor (212), a gear box (213) and a workpiece lifting chain; the workpiece lifting support (211) is arranged on the support (1) through a support frame (2111); the workpiece lifting motor (212) is arranged at the top of the workpiece lifting bracket (211), and the gear box (213) is connected and matched with the workpiece lifting motor (212); the workpiece lifting chains are respectively arranged on gears at the front side and the rear side of the gear box (213); the workpiece supporting and rotating module (22) comprises a workpiece supporting plate (221), a workpiece supporting and rotating motor (222), a workpiece supporting small gear (223), a workpiece supporting large gear (224) and a gear protective cover (225); the workpiece supporting plate (221) is arranged at the left part of the workpiece lifting support (211) through a first sliding rail, the workpiece lifting chain is connected with the right part of the workpiece supporting plate (221), and the workpiece lifting chain drives the workpiece supporting plate (221) to lift; the workpiece supporting rotating motor (222) is arranged on the rear side of the right part of the workpiece supporting plate (221); the workpiece supporting pinion (223) is connected with a rotating shaft of a workpiece supporting rotating motor (222); the workpiece support large gear (224) is meshed with the workpiece support small gear (223), and the gear protective cover (225) is arranged on the workpiece support large gear (224) and the workpiece support small gear (223); the workpiece support frame (23) is fixedly arranged on the workpiece support gearwheel (224) to complete rotation;
the workpiece rotating module (24) comprises a workpiece motor (241), a workpiece pinion (242), a workpiece bull gear (243) and a gear shield (245); the workpiece motor (241) is arranged at the right part of the workpiece support frame (23); the workpiece small gear (242) is connected with a rotating shaft of a workpiece motor (241), and the workpiece large gear (243) is meshed with the workpiece small gear (242); the gear shield (245) is arranged on the workpiece big gear (243) and the workpiece small gear (242); the workpiece bull gear (243) is arranged on the welding opening (231) through a gear mounting plate (244); the workpiece clamp (25) comprises a clamping adjusting bottom plate (251), an adjusting screw (252) and a clamping top plate (253); a strip-shaped through hole (2511) is formed in the clamping adjusting bottom plate (251), and the adjusting screw (252) is arranged in the strip-shaped through hole (2511); the gear mounting plate (244) is provided with a screw hole (2441), the clamping adjusting bottom plate (251) is arranged on the gear mounting plate (244) by arranging an adjusting screw (252) in the screw hole (2441), and the clamping top plate (253) is fixedly arranged at the inner end of the clamping adjusting bottom plate (251) by a screw (254);
the rotating base (31) is provided with a human body rotating motor (311), and the rotating base (31) is driven to rotate by the human body rotating motor (311); the human body lifting module (33) comprises a human body lifting frame motor (331), a human body lifting gear box (332), a human body lifting chain and a lifting frame (333); the human body lifting frame motor (331) is arranged at the top of the human body supporting frame (32), and the human body lifting gear box (332) is connected and matched with the human body lifting frame motor (331); the human body lifting chains are respectively arranged on gears at the front side and the rear side of the human body lifting gear box (332); the middle part of the human body support frame (32) is provided with a neutral gear (321), the lifting frame (333) is arranged on the neutral gear (321) through a second sliding rail, the left part of the lifting frame (333) is connected with a human body lifting chain, the human body lifting chain drives the lifting frame (333) to lift, the middle part of the lifting frame (333) is provided with a cavity (3331), and the human body front-back moving module (34) comprises a front-back moving frame (341), a front-back moving motor (342), a front-back moving gear (343) and a front-back moving rack (344); the front and rear moving frame (341) is arranged on a cavity (3331) of the lifting frame (333) through a third sliding rail; the front-back moving motor (342) is arranged on the outer wall of the left part of the lifting frame (333), the front-back moving gear (343) is connected with the front-back moving motor (342), the front-back moving gear (343) is arranged in the cavity (3331) of the lifting frame (333), and the front-back moving rack (344) is meshed with the front-back moving gear (343);
the welding equipment carries out welding through the following steps in sequence:
firstly, workpiece installation and fixation: clamping and fixing the connecting flange on a workpiece support frame (23) through three workpiece clamps (25);
(II) workpiece position adjustment: the workpiece supporting and rotating module (22) is driven to lift to a proper position through the workpiece lifting module (21), the workpiece supporting and rotating module (22) drives the workpiece supporting frame (23) to rotate to a proper welding angle, and the workpiece is rotated and adjusted to an optimal welding position through the workpiece rotating module (24);
(III) human body position adjustment: an operator sits on the working chair (36), rotates and adjusts to a proper welding position through the rotating base (31), ascends to a proper welding height through the human body lifting module (33), moves to a proper welding distance through the human body front-back moving module (34), and adjusts to a proper welding angle and welding distance through the welding module (35);
(IV) workpiece welding mode: processing according to the processing requirement, enabling the internal welding position of the workpiece to face an operator through rotation, and processing in an internal welding processing mode; the outer welding position of the workpiece faces to an operator through rotation, and the workpiece is machined through an outer welding machining mode.
2. The welding equipment for connecting flanges and metal pipes according to claim 1, wherein there are three work holders (25), and the three work holders (25) are distributed on the outer ring of the large gear wheel (243) of the work in a regular triangle at three points.
3. The welding equipment for connecting flanges and metal pipes according to claim 1, characterized in that the distance between the clamping top plate (253) and the clamping adjusting bottom plate (251) is matched to the thickness of the workpiece.
4. The welding equipment for connecting a flange and a metal pipe according to claim 1, wherein the work support frame (23) is disposed perpendicular to the front and rear moving frames (341).
5. The welding equipment for connecting flanges and metal pipes according to claim 1, characterized in that the welding module (35) comprises a left and right moving electric cylinder (351), a front and back moving electric cylinder (352), a top and bottom moving electric cylinder (353), a welding support plate (354), a welding gun (355); the front-back moving electric cylinder (352) is arranged on a moving plate of the left-right moving electric cylinder (351) through an electric cylinder connecting plate, and the up-down moving electric cylinder (353) is arranged on the moving plate of the front-back moving electric cylinder (352); one end of the welding support plate (354) is fixedly connected to the moving plate of the up-and-down moving electric cylinder (353); the other end of the welding support plate (354) is hinged with the welding gun (355).
6. The welding equipment for connecting a flange and a metal pipe according to claim 1, wherein the working chair (36) is provided at the right side of the rear end of the front and rear moving frame (341) through a working chair connecting plate (361).
7. A welding method for connecting a flange and a metal pipe, characterized in that it uses the device according to any one of claims 1 to 6, successively following the steps:
firstly, workpiece installation and fixation: clamping and fixing the connecting flange on a workpiece support frame (23) through three workpiece clamps (25);
(II) workpiece position adjustment: the workpiece supporting and rotating module (22) is driven to lift to a proper position through the workpiece lifting module (21), the workpiece supporting and rotating module (22) drives the workpiece supporting frame (23) to rotate to a proper welding angle, and the workpiece is rotated and adjusted to an optimal welding position through the workpiece rotating module (24);
(III) human body position adjustment: an operator sits on the working chair (36), rotates and adjusts to a proper welding position through the rotating base (31), ascends to a proper welding height through the human body lifting module (33), moves to a proper welding distance through the human body front-back moving module (34), and adjusts to a proper welding angle and welding distance through the welding module (35);
(IV) workpiece welding mode: processing according to the processing requirement, enabling the internal welding position of the workpiece to face an operator through rotation, and processing in an internal welding processing mode; the outer welding position of the workpiece faces to an operator through rotation, and the workpiece is machined through an outer welding machining mode.
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| CN201910274782.0A CN110014249B (en) | 2019-04-08 | 2019-04-08 | Welding method and equipment for connecting flange and metal pipeline |
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| CN201910274782.0A CN110014249B (en) | 2019-04-08 | 2019-04-08 | Welding method and equipment for connecting flange and metal pipeline |
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| CN110014249B true CN110014249B (en) | 2020-12-15 |
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| CN110962059A (en) * | 2019-11-25 | 2020-04-07 | 衡阳市和仲通讯科技有限公司 | Communication equipment shell processing clamping device |
| CN114918510B (en) * | 2022-04-18 | 2023-11-24 | 上海工程技术大学 | Automatic argon arc welding device for automobile pipe fitting |
| CN117001249A (en) * | 2023-09-06 | 2023-11-07 | 无锡新扬真空机械有限公司 | Vacuum tube welding fixture and welding method thereof |
| CN118162845B (en) * | 2024-05-10 | 2024-07-19 | 河北海乾威钢管有限公司 | Positioning device and method for welding marine structure pipe |
| CN118664198B (en) * | 2024-08-20 | 2024-11-15 | 徐州瑞欧达机械科技有限公司 | Welding set is used in engineering machine tool structure processing |
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| JPH09300098A (en) * | 1996-05-13 | 1997-11-25 | Suzukiisamu Shoten:Kk | Jig for pipe welding of H-shaped steel |
| KR20010037076A (en) * | 1999-10-13 | 2001-05-07 | 추호석 | Automatic welding machine for a pipe flange |
| CN102962552A (en) * | 2012-11-21 | 2013-03-13 | 深圳市瑞凌实业股份有限公司 | Trolley for welding inner and outer circles of ring flange |
| CN104029201A (en) * | 2014-06-19 | 2014-09-10 | 常州先进制造技术研究所 | SCARA (selective compliance assembly robot arm) robot special for welding operation |
| CN205096686U (en) * | 2015-11-12 | 2016-03-23 | 济南金鲁鼎焊接技术有限公司 | Integral type flange automatic welding equipment with central through hole |
| CN105382452A (en) * | 2015-12-23 | 2016-03-09 | 无锡三虹重工机械设备有限公司 | Pipe flange welding workstation |
| CN208067536U (en) * | 2017-11-27 | 2018-11-09 | 北京航天美利达自动焊设备科技有限公司 | Rotary welding gun automatic welding machine people |
| CN208099719U (en) * | 2018-04-17 | 2018-11-16 | 柯俊斌 | A kind of automatic welding device of flange bolt |
| CN208513908U (en) * | 2018-05-25 | 2019-02-19 | 蒲允芳 | A kind of flange automatic soldering device |
| CN208513977U (en) * | 2018-06-20 | 2019-02-19 | 上海中船三井造船柴油机有限公司 | A kind of tooling for elbow pipe welding |
| CN208374453U (en) * | 2018-07-03 | 2019-01-15 | 浙江国际海运职业技术学院 | The inside and outside welder of steel pipe and flange welding |
| CN109483115A (en) * | 2018-12-28 | 2019-03-19 | 上海理工大学 | A kind of welder and method of flange and short tube |
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Effective date of registration: 20201130 Address after: Huagang Road, area B, Hanjiang Industrial Park, Yangzhou City, Jiangsu Province, 225000 Applicant after: JIANGSU CHANGRONG CHEMICAL EQUIPMENT Co.,Ltd. Address before: 315032 2-7, 1188 Yongding Road, Longwan District, Wenzhou City, Zhejiang Province Applicant before: Lin Jiapeng |
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Denomination of invention: A welding method and equipment for connecting flanges and metal pipelines Effective date of registration: 20230927 Granted publication date: 20201215 Pledgee: Bank of China Limited Hangjiang Branch, Yangzhou Pledgor: JIANGSU CHANGRONG CHEMICAL EQUIPMENT Co.,Ltd. Registration number: Y2023320000489 |
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