CN114055069A - Welding device and welding process for low-alloy high-strength weathering steel - Google Patents
Welding device and welding process for low-alloy high-strength weathering steel Download PDFInfo
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- CN114055069A CN114055069A CN202111375920.8A CN202111375920A CN114055069A CN 114055069 A CN114055069 A CN 114055069A CN 202111375920 A CN202111375920 A CN 202111375920A CN 114055069 A CN114055069 A CN 114055069A
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- 238000003466 welding Methods 0.000 title claims abstract description 133
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 29
- 239000000956 alloy Substances 0.000 title claims abstract description 29
- 229910000870 Weathering steel Inorganic materials 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 230000033001 locomotion Effects 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 238000005219 brazing Methods 0.000 description 4
- 239000010953 base metal Substances 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
-
- 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
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0533—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor external pipe alignment clamps
Abstract
The invention discloses a welding device and a welding process of low-alloy high-strength weathering steel, belonging to the technical field of steel welding devices, the first threaded rod and the second threaded rod drive the two groups of second moving plates and the first moving plate to move relatively, the two pipe bodies are moved to the inner side of the annular hollow frame through the relative movement of the second moving plate and the first moving plate, the welding head is driven to move by starting the welding electric lifting rod, then contacts with the joint of the pipe body, a first driving motor is started to drive a transmission gear to move, an outer gear ring is driven to move through the transmission gear, then, the welding head is driven to rotate around the joint of the pipe body, welding is carried out through the welding head, rotary welding is carried out, the horizontal fine tuning motor is started to drive the horizontal adjusting screw rod to drive the horizontal sliding rod to move to weld the joint in a fluctuating mode, the air pump is started to decompress the first air bag and the second air bag after welding is completed, and then the welded pipe body is taken out.
Description
Technical Field
The invention relates to a steel welding device, in particular to a welding device for low-alloy high-strength weathering steel, and also relates to a welding process for the steel welding device, in particular to a welding process for the welding device for the low-alloy high-strength weathering steel, belonging to the technical field of steel welding devices.
Background
Welding, also known as fusion, welding, is a manufacturing process and technique for joining metals or other thermoplastic materials, such as plastics, by heating, elevated temperature or pressure, by three ways:
1. fusion welding, heating the workpieces to be jointed to partially melt the workpieces to form a molten pool, and joining the workpieces after the molten pool is cooled and solidified.
2. Pressure welding-the welding process must exert pressure to the welding piece, belongs to the processing of various metal materials and partial metal materials.
3. Brazing, namely, a metal material with a melting point lower than that of the base metal is used as the brazing filler metal, the liquid brazing filler metal is used for wetting the base metal, filling a joint gap and mutually diffusing with the base metal to realize linking of a weldment, and the brazing filler metal is suitable for welding processing of various materials and also suitable for welding processing of different metals or different materials.
The energy sources for modern welding are many, including gas flame, electric arc, laser, electron beam, friction, and ultrasonic, among others.
The high-precision butt joint can not be realized when butt joint welding is carried out between the low-alloy high-strength weather-resistant steel pipes in the prior art, and the deviation is easy to occur when butt joint is carried out, because the relative motion friction between the support frame and the moving frame can lead to, the fixing mode structure adopted is more complicated in addition, manual welding is needed when welding is carried out, the mechanical arm structure is complicated to adopt by a machine welding structure, and the welding device and the welding process for the low-alloy high-strength weather-resistant steel are designed to optimize the problems.
Disclosure of Invention
The invention mainly aims to provide a welding device and a welding process of low-alloy high-strength weathering steel, wherein two pipe bodies to be welded are placed on the inner sides of two groups of second moving arc-shaped clamping rings and a first moving arc-shaped clamping ring, an air pump is started to fill air into a first air bag and a second air bag through an air pipe to clamp the pipe bodies, a second driving motor is started to drive a first threaded rod and a second threaded rod to rotate, two groups of second moving plates and a first moving plate are driven to move relatively through the first threaded rod and the second threaded rod, the two pipe bodies are moved to the inner side of an annular hollow frame through the relative movement of the second moving plate and the first moving plate, an electric lifting rod is started to weld to drive a welding head to move, then the electric lifting rod is contacted with the joint of the pipe bodies, the first driving motor is started to drive a transmission gear to move, and an outer gear ring is driven to move through the transmission gear, then, the welding head is driven to rotate around the joint of the pipe body, welding is carried out through the welding head, rotary welding is carried out, the horizontal fine tuning motor is started to drive the horizontal adjusting screw rod to drive the horizontal sliding rod to move to weld the joint in a fluctuating mode, the air pump is started to decompress the first air bag and the second air bag after welding is completed, and then the welded pipe body is taken out.
The purpose of the invention can be achieved by adopting the following technical scheme:
a welding device for low-alloy high-strength weathering steel comprises a supporting base component, wherein a fixed supporting block is arranged in the middle of the top of the supporting base component, an annular hollow frame is arranged at the top of the fixed supporting block, an outer gear ring component is arranged on the inner side of the annular hollow frame close to the edge of the annular hollow frame, an L-shaped connecting plate component is arranged on the edge of the outer side of the annular hollow frame, a gear driving component is arranged on the L-shaped connecting plate component, part of the gear driving component penetrates through the annular hollow frame and is mutually meshed with the outer gear ring component, a steel pipe body driving screw adjusting component is arranged on the top of the supporting base component along the axial direction of the supporting base component, a first movable pneumatic clamping component is arranged at the position, close to the fixed supporting block, of the two ends of the steel pipe body driving screw adjusting component, a second movable pneumatic clamping component is arranged at the position, far away from the fixed supporting block, of the two ends of the steel pipe body driving screw adjusting component, the middle part department is equipped with air pump assembly at the bottom of the outside of supporting base subassembly, and this air pump assembly communicates with first portable pneumatic clamping component and the portable pneumatic clamping component of second, the inboard of outer gear ring subassembly is installed horizontal fine setting bond head subassembly.
Preferably, the support base subassembly includes side supporting leg, side spacing and backup pad, the both sides of backup pad bottom are followed install the side supporting leg in the backup pad axial, the top both sides of backup pad are followed install the spacing of side in the axial of backup pad, the outside cover of the spacing of side is equipped with and can be in the gliding first pneumatic centre gripping subassembly in the spacing outside of side and the pneumatic centre gripping subassembly of second.
Preferably, the external gear ring assembly comprises an external gear ring and a limit ring plate, the limit ring plate capable of rotating and moving inside the annular hollow frame is arranged at the edge part of the inside of the annular hollow frame, the limit ring plate is arranged outside the limit ring plate, and the limit ring plate and the gear driving assembly are arranged;
horizontal fine setting soldered connection subassembly includes horizontal fine setting motor, horizontal spacing, limit slide bar, horizontal adjusting screw, horizontal slide bar, welding electric lift pole and soldered connection, the inner wall department at the external gear ring is installed to horizontal spacing, the outside mid-mounting of horizontal spacing has horizontal fine setting motor, the horizontal adjusting screw who runs through to the horizontal spacing in is installed to the output of horizontal fine setting motor, the inboard of horizontal spacing is installed limit slide bar along horizontal spacing axial, the outside cover of limit slide bar and horizontal adjusting screw is equipped with horizontal slide bar, welding electric lift pole is installed at the top of horizontal slide bar, the soldered connection is installed to welding electric lift pole's output.
Preferably, the gear driving assembly comprises a first driving motor and a transmission gear, the transmission gear is installed at the output end of the first driving motor, and the transmission gear partially penetrates through the annular hollow frame and is meshed with the outer side of the outer gear ring.
Preferably, L type connecting plate subassembly includes connecting plate and first motor fixed plate, the outside limit mid-mounting of cavity frame has first motor fixed plate in the annular, the connecting plate is installed to the outside end of first motor fixed plate, a driving motor is installed to one side of connecting plate.
Preferably, steel pipe body drive screw adjusting part includes second driving motor, second motor fixed plate, first threaded rod and second threaded rod, the top both ends middle part department of backup pad installs second motor fixed plate, and second driving motor is installed in a set of second motor fixed plate outside, second driving motor's output runs through this set of second motor fixed plate and installs the second threaded rod, and the other end of second threaded rod installs first threaded rod, the other end of first threaded rod passes through bearing and another set of second motor fixed plate internal fixation.
Preferably, the first movable pneumatic clamping assembly comprises a first movable plate, a first electric support lifting rod, a first movable arc-shaped clamping ring and a first air bag, the first movable plate is meshed with the positions, close to the fixed supporting block, of the outer sides of the first threaded rod and the second threaded rod, the first movable plate is mounted at the top of the first movable plate, the first electric support lifting rod is mounted at the output end of the first electric support lifting rod, the first movable arc-shaped clamping ring is mounted at the output end of the first electric support lifting rod, and the first air bag is arranged on the inner side of the first movable arc-shaped clamping ring;
the movable pneumatic clamping assembly of the second comprises a second movable plate, a second electric support lifting rod, a second movable arc-shaped clamping ring and a second air bag, the second movable plate is meshed with the fixed supporting block far away from the outer sides of the first threaded rod and the second threaded rod, the second electric support lifting rod is installed at the top of the second movable plate, the second movable arc-shaped clamping ring is installed at the output end of the second electric support lifting rod, and the second air bag is arranged on the inner side of the second movable arc-shaped clamping ring.
Preferably, the outer side of the first threaded rod is sleeved with a group of second moving plates and a first moving plate, the outer side of the second threaded rod is sleeved with another group of second moving plates and a first moving plate, and threads of the first threaded rod and threads of the second threaded rod are opposite.
Preferably, the air pump assembly comprises an air pump and an air pipe, the air pump is installed in the middle of the outer side of the side supporting leg, and the output end of the air pump is communicated with the first air bag and the second air bag through the air pipe.
A welding process of a welding device for low-alloy high-strength weathering steel comprises the following steps:
step 1: placing two pipe bodies to be welded on the inner sides of the two groups of second movable arc-shaped clamping rings and the first movable arc-shaped clamping rings;
step 2: starting the air pump to fill air into the first air bag and the second air bag through the air pipe to clamp the pipe body;
and step 3: starting a second driving motor to drive a first threaded rod and a second threaded rod to rotate, and driving two groups of second moving plates and the first moving plates to move relatively through the first threaded rod and the second threaded rod;
and 4, step 4: moving the two tubes to the inner side of the annular hollow frame through the relative movement of the second moving plate and the first moving plate;
and 5: the welding head is driven to move by starting the welding electric lifting rod and then is contacted with the joint of the pipe body;
step 6: starting a first driving motor to drive a transmission gear to move, driving an outer gear ring to move through the transmission gear, and then driving a welding head to rotate around the joint of the pipe body;
and 7: welding and performing rotary welding through a welding head, and starting a horizontal fine tuning motor to drive a horizontal adjusting screw rod to drive a horizontal sliding rod to move so as to perform wave welding on a joint;
and 8: and after the welding is finished, the air pump is opened to decompress the first air bag and the second air bag, and then the welded pipe body is taken out.
The invention has the beneficial technical effects that:
the invention provides a welding device and a welding process of low-alloy high-strength weathering steel, which are characterized in that two pipe bodies to be welded are placed on the inner sides of two groups of second moving arc-shaped clamping rings and a first moving arc-shaped clamping ring, an air pump is started to fill air into a first air bag and a second air bag through an air pipe to clamp the pipe bodies, a second driving motor is started to drive a first threaded rod and a second threaded rod to rotate, two groups of second moving plates and a first moving plate are driven to move relatively through the first threaded rod and the second threaded rod, the two pipe bodies are moved to the inner side of an annular hollow frame through the relative movement of the second moving plate and the first moving plate, an electric lifting rod is started to weld to drive a welding head to move, then the electric lifting rod is contacted with the joint of the pipe bodies, the first driving motor is started to drive a transmission gear to move, and an outer gear drives the ring to move through the transmission gear, then, the welding head is driven to rotate around the joint of the pipe body, welding is carried out through the welding head, rotary welding is carried out, the horizontal fine tuning motor is started to drive the horizontal adjusting screw rod to drive the horizontal sliding rod to move to weld the joint in a fluctuating mode, the air pump is started to decompress the first air bag and the second air bag after welding is completed, and then the welded pipe body is taken out.
Drawings
FIG. 1 is a first perspective view of the welding apparatus and the welding process for low-alloy high-strength weathering steel according to a preferred embodiment of the present invention;
FIG. 2 is a schematic second perspective view of the welding apparatus and the welding process for low-alloy high-strength weathering steel according to a preferred embodiment of the present invention;
FIG. 3 is a third perspective view of the welding apparatus and the welding process for low alloy high strength weathering steel according to the preferred embodiment of the present invention;
FIG. 4 is an enlarged view of a structure at a position a of a preferred embodiment of the welding device and the welding process for the low-alloy high-strength weathering steel according to the present invention;
FIG. 5 is a schematic view of a welding assembly and a trimming assembly according to a preferred embodiment of the welding device and the welding process for the low-alloy high-strength weathering steel of the present invention;
fig. 6 is a schematic view of the combined structure of the annular welding frame assembly and the gear driving assembly according to a preferred embodiment of the welding device and the welding process of the low-alloy high-strength weathering steel of the invention.
In the figure: 1-side support leg, 2-annular hollow frame, 3-drive gear, 4-first drive motor, 5-connecting plate, 6-first motor fixing plate, 7-air pipe, 8-first movable arc-shaped clamping ring, 9-first electric support lifting rod, 10-second movable arc-shaped clamping ring, 11-second electric support lifting rod, 12-second movable plate, 13-first movable plate, 14-side limit bar, 15-second motor fixing plate, 16-first threaded rod, 17-second drive motor, 18-second threaded rod, 19-air pump, 20-support plate, 21-welding electric lifting rod, 22-horizontal limit bar, 23-horizontal slide bar, 24-welding head, 25-limit slide bar, 26-a horizontal fine adjustment motor, 27-a horizontal adjustment screw, 28-an external gear ring, 29-a limit ring plate and 30-a fixed supporting block.
Detailed Description
In order to make the technical solutions of the present invention more clear and definite for those skilled in the art, the present invention is further described in detail below with reference to the examples and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1-6, the welding device for low-alloy high-strength weathering steel provided in this embodiment includes a supporting base assembly, a fixed supporting block 30 is installed at the top middle portion of the supporting base assembly, an annular hollow frame 2 is installed at the top portion of the fixed supporting block 30, an external gear ring assembly is installed at the inner side of the annular hollow frame 2 close to the edge portion of the annular hollow frame 2, an L-shaped connecting plate assembly is installed at the edge portion of the outer side of the annular hollow frame 2, a gear driving assembly is installed on the L-shaped connecting plate assembly, part of the gear driving assembly penetrates through the annular hollow frame 2 and the external gear ring assembly to be engaged with each other, a steel pipe body driving screw adjusting assembly is installed at the top portion of the supporting base assembly along the axial direction of the supporting base assembly, first movable pneumatic clamping assemblies are installed at the two ends of the steel pipe body driving screw adjusting assembly close to the fixed supporting block 30, and second movable pneumatic clamping assemblies are installed at the two ends of the steel pipe body driving screw adjusting assembly far away from the fixed supporting block 30 The assembly, the middle part department is equipped with air pump assembly at the bottom of the outside of supporting base subassembly, and this air pump assembly communicates with first portable pneumatic centre gripping subassembly and the portable pneumatic centre gripping subassembly of second, and the inboard of outer gear ring subassembly is installed the horizontal fine setting bond head subassembly.
Two pipe bodies to be welded are placed on the inner sides of two groups of second moving arc-shaped clamping rings 10 and first moving arc-shaped clamping rings 8, an air pump 19 is started to fill air into a first air bag and a second air bag through an air pipe 7 to clamp the pipe bodies, a second driving motor 17 is started to drive a first threaded rod 16 and a second threaded rod 18 to rotate, two groups of second moving plates 12 and a first moving plate 13 are driven to move relatively through the first threaded rod 16 and the second threaded rod 18, the two pipe bodies are moved to the inner side of an annular hollow frame 2 through the relative movement of the second moving plates 12 and the first moving plates 13, a welding head 24 is driven to move through starting a welding electric lifting rod 21 and then is contacted with the joint of the pipe bodies, the first driving motor 4 is started to drive a transmission gear 3 to move, an outer gear ring 28 is driven to move through the transmission gear 3, and then the welding head is driven to rotate around the joint of the pipe bodies, and (3) welding and spin-welding are carried out through a welding head 24, a horizontal fine-tuning motor 26 is started to drive a horizontal adjusting screw 27 to drive a horizontal sliding rod 23 to move so as to weld the joint in a fluctuating mode, and after the welding is finished, an air pump 19 is started to decompress the first air bag and the second air bag and then the welded pipe body is taken out.
In this embodiment, the support base component includes side supporting leg 1, side spacing 14 and backup pad 20, and side supporting leg 1 is installed along backup pad 20 axial to the both sides of backup pad 20 bottom, and side spacing 14 is installed along the axial of backup pad 20 to the top both sides of backup pad 20, and the outside cover of side spacing 14 is equipped with and can be in the gliding first pneumatic clamping component in side spacing 14 outside and the pneumatic clamping component of second.
In this embodiment, the external gear ring assembly comprises an external gear ring 28 and a limit ring plate 29, the limit ring plate 29 capable of rotating and moving inside the annular hollow frame 2 is arranged at the edge of the inside of the annular hollow frame 2, the limit ring plate 29 is arranged at the outside of the limit ring plate 29, the limit ring plate 29 and a gear driving assembly are arranged, the gear driving assembly comprises a first driving motor 4 and a transmission gear 3, the transmission gear 3 is arranged at the output end of the first driving motor 4, part of the transmission gear 3 penetrates through the annular hollow frame 2 and is meshed with the outside of the external gear ring 28, the horizontal fine tuning welding head assembly comprises a horizontal fine tuning motor 26, a horizontal limit bar 22, a limit slide bar 25, a horizontal adjusting screw 27, a horizontal slide bar 23, a welding electric lifting bar 21 and a welding head 24, the horizontal limit bar 22 is arranged at the inner wall of the external gear ring 28, the horizontal fine tuning motor 26 is arranged at the middle part of the outside of the horizontal limit bar 22, the output end of the horizontal fine tuning motor 26 is provided with a horizontal adjusting screw 27 penetrating into the horizontal limiting strip 22, the inner side of the horizontal limiting strip 22 is provided with a limiting slide rod 25 along the axial direction of the horizontal limiting strip 22, the outer side of the limiting slide rod 25 and the outer side of the horizontal adjusting screw 27 are sleeved with a horizontal slide rod 23, the top of the horizontal slide rod 23 is provided with a welding electric lifting rod 21, and the output end of the welding electric lifting rod 21 is provided with a welding head 24.
The first driving motor 4 is started to drive the transmission gear 3 to move, the transmission gear 3 drives the outer gear ring 28 to move, then the welding head 24 is driven to rotate around the joint of the pipe body, welding is carried out through the welding head 24 and rotary welding is carried out, and the horizontal fine tuning motor 26 is started to drive the horizontal adjusting screw 27 to drive the horizontal sliding rod 23 to move so as to weld the joint in a fluctuating mode.
In this embodiment, the L-shaped connecting plate assembly includes a connecting plate 5 and a first motor fixing plate 6, the first motor fixing plate 6 is installed at the middle of the outer side edge of the annular hollow frame 2, the connecting plate 5 is installed at the outer side end of the first motor fixing plate 6, and the first driving motor 4 is installed at one side of the connecting plate 5.
In this embodiment, steel pipe body drive screw adjusting part includes second driving motor 17, second motor fixed plate 15, first threaded rod 16 and second threaded rod 18, second motor fixed plate 15 is installed to the top both ends middle part department of backup pad 20, second driving motor 17 is installed in a set of second motor fixed plate 15 outside, second driving motor 17's output runs through this set of second motor fixed plate 15 and installs second threaded rod 18, and first threaded rod 16 is installed to the other end of second threaded rod 18, the other end of first threaded rod 16 passes through bearing and another set of second motor fixed plate 15 internal fixation.
In this embodiment, the first movable pneumatic clamping assembly includes a first movable plate 13, a first electrically-supported lifting rod 9, a first movable arc-shaped clamping ring 8 and a first air bag, the first movable plate 13 is engaged at the outer sides of the first threaded rod 16 and the second threaded rod 18 close to the fixed supporting block 30, the first electrically-supported lifting rod 9 is installed at the top of the first movable plate 13, the first movable arc-shaped clamping ring 8 is installed at the output end of the first electrically-supported lifting rod 9, and the first air bag is arranged at the inner side of the first movable arc-shaped clamping ring 8;
the second movable pneumatic clamping assembly comprises a second moving plate 12, a second electric support lifting rod 11, a second movable arc-shaped clamping ring 10 and a second air bag, the second moving plate 12 is meshed with the positions, away from the fixed supporting blocks 30, of the outer sides of the first threaded rod 16 and the second threaded rod 18, the second electric support lifting rod 11 is installed at the top of the second moving plate 12, the second movable arc-shaped clamping ring 10 is installed at the output end of the second electric support lifting rod 11, and the second air bag is arranged on the inner side of the second movable arc-shaped clamping ring 10.
In this embodiment, the first threaded rod 16 is sleeved with one set of the second moving plate 12 and the first moving plate 13, the second threaded rod 18 is sleeved with another set of the second moving plate 12 and the first moving plate 13, and the threads of the first threaded rod 16 and the second threaded rod 18 are opposite.
In the embodiment, the air pump assembly comprises an air pump 19 and an air pipe 7, the air pump 19 is installed at the middle part of the outer side of the side support leg 1, and the output end of the air pump 19 is communicated with the first air bag and the second air bag through the air pipe 7.
A welding process of a welding device for low-alloy high-strength weathering steel comprises the following steps:
step 1: placing two pipe bodies to be welded on the inner sides of the two groups of second movable arc-shaped clamping rings 10 and the first movable arc-shaped clamping rings 8;
step 2: the air pump 19 is started to fill air into the first air bag and the second air bag through the air pipe 7 to clamp the pipe body;
and step 3: starting a second driving motor 17 to drive a first threaded rod 16 and a second threaded rod 18 to rotate, and driving two groups of second moving plates 12 and a first moving plate 13 to move relatively through the first threaded rod 16 and the second threaded rod 18;
and 4, step 4: the two tubes are moved to the inner side of the annular hollow frame 2 by the relative movement of the second moving plate 12 and the first moving plate 13;
and 5: the welding head 24 is driven to move by starting the welding electric lifting rod 21 and then is contacted with the joint of the pipe body;
step 6: starting a first driving motor 4 to drive a transmission gear 3 to move, driving an outer gear ring 28 to move through the transmission gear 3, and then driving a welding head 24 to rotate around the joint of the pipe body;
and 7: welding is carried out through a welding head 24, rotary welding is carried out, and a horizontal fine adjustment motor 26 is started to drive a horizontal adjustment screw 27 to drive a horizontal sliding rod 23 to move so as to weld the joint in a wave mode;
and 8: after the welding is finished, the air pump 19 is opened to decompress the first air bag and the second air bag, and then the welded pipe body is taken out.
The above are only further embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and its concept within the scope of the present invention.
Claims (10)
1. The utility model provides a welding set of low alloy weathering steel that excels in which characterized in that: the device comprises a supporting base component, wherein a fixed supporting block (30) is arranged in the middle of the top of the supporting base component, an annular hollow frame (2) is arranged at the top of the fixed supporting block (30), an outer gear ring component is arranged at the position, close to the edge of the annular hollow frame (2), of the inner side of the annular hollow frame (2), an L-shaped connecting plate component is arranged at the edge of the outer side of the annular hollow frame (2), a gear driving component is arranged on the L-shaped connecting plate component, part of the gear driving component penetrates through the annular hollow frame (2) and is mutually meshed with the outer gear ring component, a steel pipe body driving screw adjusting component is arranged at the top of the supporting base component along the axial direction of the supporting base component, a first movable pneumatic clamping component is arranged at the position, close to the fixed supporting block (30), of the two ends of the steel pipe body driving screw adjusting component, a second movable pneumatic clamping component is arranged at the position, far away from the fixed supporting block (30), the middle part department is equipped with air pump assembly at the bottom of the outside of supporting base subassembly, and this air pump assembly communicates with first portable pneumatic clamping component and the portable pneumatic clamping component of second, the inboard of outer gear ring subassembly is installed horizontal fine setting bond head subassembly.
2. The welding device of the low alloy high strength weathering steel of claim 1, characterized in that: support base subassembly and include side supporting leg (1), side spacing (14) and backup pad (20), the both sides of backup pad (20) bottom are followed install side supporting leg (1) in backup pad (20) axial, the top both sides of backup pad (20) are followed install side spacing (14) in the axial of backup pad (20), the outside cover of side spacing (14) is equipped with and to be in the gliding first pneumatic centre gripping subassembly in side spacing (14) outside and the pneumatic centre gripping subassembly of second.
3. The welding device of the low alloy high strength weathering steel of claim 2, characterized in that: the outer gear ring assembly comprises an outer gear ring (28) and a limit ring plate (29), the limit ring plate (29) capable of rotating and moving on the inner side of the annular hollow frame (2) is arranged at the edge part of the inner side of the annular hollow frame (2), the limit ring plate (29) is installed on the outer side of the limit ring plate (29), and the limit ring plate (29) and the gear driving assembly are arranged;
the horizontal fine-tuning welding head assembly comprises a horizontal fine-tuning motor (26), a horizontal limiting strip (22), a limiting slide rod (25), a horizontal adjusting screw rod (27), a horizontal slide rod (23), a welding electric lifting rod (21) and a welding head (24), wherein the horizontal limiting strip (22) is installed on the inner wall of an outer gear ring (28), the horizontal fine-tuning motor (26) is installed in the middle of the outer side of the horizontal limiting strip (22), the horizontal adjusting screw rod (27) penetrating into the horizontal limiting strip (22) is installed at the output end of the horizontal fine-tuning motor (26), the limiting slide rod (25) is installed on the inner side of the horizontal limiting strip (22) in the axial direction of the horizontal limiting strip (22), the horizontal slide rod (23) is sleeved on the outer sides of the limiting slide rod (25) and the horizontal adjusting screw rod (27), the welding electric lifting rod (21) is installed at the top of the horizontal slide rod (23), and a welding head (24) is arranged at the output end of the welding electric lifting rod (21).
4. The welding device of the low alloy high strength weathering steel of claim 3, characterized in that: the gear driving assembly comprises a first driving motor (4) and a transmission gear (3), the transmission gear (3) is installed at the output end of the first driving motor (4), and the transmission gear (3) partially penetrates through the annular hollow frame (2) and is meshed with the outer side of the outer gear ring (28).
5. The welding device of the low alloy high strength weathering steel of claim 4, characterized in that: l type connecting plate subassembly includes connecting plate (5) and first motor fixed plate (6), the outside limit mid-mounting of annular cavity frame (2) has first motor fixed plate (6), connecting plate (5) are installed to the outside end of first motor fixed plate (6), first driving motor (4) are installed to one side of connecting plate (5).
6. The welding device of low alloy high strength weathering steel according to claim 5, characterized in that: the steel pipe body driving screw adjusting assembly comprises a second driving motor (17), a second motor fixing plate (15), a first threaded rod (16) and a second threaded rod (18), the second motor fixing plate (15) is installed in the middle of the top of the supporting plate (20), the second driving motor (17) is installed on the outer side of the second motor fixing plate (15), the output end of the second driving motor (17) penetrates through the second motor fixing plate (15) to be installed with the second threaded rod (18), the other end of the second threaded rod (18) is installed with the first threaded rod (16), and the other end of the first threaded rod (16) is fixed in the second motor fixing plate (15) through a bearing.
7. The welding device of the low alloy high strength weathering steel of claim 6, characterized in that: the first movable pneumatic clamping assembly comprises a first movable plate (13), a first electric support lifting rod (9), a first movable arc-shaped clamping ring (8) and a first air bag, the first movable plate (13) is meshed at the positions, close to the fixed supporting block (30), of the outer sides of the first threaded rod (16) and the second threaded rod (18), the first electric support lifting rod (9) is installed at the top of the first movable plate (13), the first movable arc-shaped clamping ring (8) is installed at the output end of the first electric support lifting rod (9), and the first air bag is arranged on the inner side of the first movable arc-shaped clamping ring (8);
the movable pneumatic clamping assembly of the second comprises a second moving plate (12), a second electric supporting lifting rod (11), a second movable arc-shaped clamping ring (10) and a second air bag, the outer sides of the first threaded rod (16) and the second threaded rod (18) are far away from the fixed supporting block (30) and are meshed with the second moving plate (12), the second electric supporting lifting rod (11) is installed at the top of the second moving plate (12), the output end of the second electric supporting lifting rod (11) is installed with the second movable arc-shaped clamping ring (10), and the inner side of the second movable arc-shaped clamping ring (10) is provided with the second air bag.
8. The welding device of low alloy high strength weathering steel according to claim 7, characterized in that: the outer side of the first threaded rod (16) is sleeved with a group of second moving plates (12) and first moving plates (13), the outer side of the second threaded rod (18) is sleeved with another group of second moving plates (12) and first moving plates (13), and threads of the first threaded rod (16) and the second threaded rod (18) are opposite.
9. The welding device of low alloy high strength weathering steel according to claim 8, characterized in that: the air pump assembly comprises an air pump (19) and an air pipe (7), the air pump (19) is installed in the middle of the outer side of the side supporting leg (1), and the output end of the air pump (19) is communicated with the first air bag and the second air bag through the air pipe (7).
10. The welding process of the welding device of the low alloy high strength weathering steel according to the claim 9, characterized in that: the method comprises the following steps:
step 1: placing two pipe bodies to be welded on the inner sides of the two groups of second movable arc-shaped clamping rings (10) and the first movable arc-shaped clamping rings (8);
step 2: the air pump (19) is started to charge air into the first air bag and the second air bag through the air pipe (7) to clamp the pipe body;
and step 3: a second driving motor (17) is started to drive a first threaded rod (16) and a second threaded rod (18) to rotate, and the first threaded rod (16) and the second threaded rod (18) drive two groups of second moving plates (12) and a first moving plate (13) to move relatively;
and 4, step 4: the two tubes are moved to the inner side of the annular hollow frame (2) through the relative movement of the second moving plate (12) and the first moving plate (13);
and 5: the welding head (24) is driven to move by starting the welding electric lifting rod (21) and then is contacted with the joint of the pipe body;
step 6: starting a first driving motor (4) to drive a transmission gear (3) to move, driving an outer gear ring (28) to move through the transmission gear (3), and then driving a welding head (24) to rotate around the joint of the pipe body;
and 7: welding is carried out through a welding head (24) and rotary welding is carried out, a horizontal fine tuning motor (26) is started to drive a horizontal adjusting screw rod (27) to drive a horizontal sliding rod (23) to move, and welding is carried out on the joint in a wave mode;
and 8: after welding, the air pump (19) is started to decompress the first air bag and the second air bag, and then the welded pipe body is taken out.
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| CN202111375920.8A CN114055069A (en) | 2021-11-19 | 2021-11-19 | Welding device and welding process for low-alloy high-strength weathering steel |
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| CN114346376A (en) * | 2022-02-22 | 2022-04-15 | 舟山惠生海洋工程有限公司 | Pipeline welding device and method |
| CN115213591A (en) * | 2022-07-13 | 2022-10-21 | 马鞍山市飞达波纹管制造有限公司 | Bellows joint fusion welding device |
| CN115837551A (en) * | 2023-01-13 | 2023-03-24 | 黑龙江大学 | Civil engineering construction steel pipe annular welding equipment |
| CN116140880A (en) * | 2023-03-17 | 2023-05-23 | 泰州市创新电子有限公司 | Special-shaped pipe fitting synchronous rotation welding device based on visual detection |
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