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CN-121179111-B - Steel construction welding position device

CN121179111BCN 121179111 BCN121179111 BCN 121179111BCN-121179111-B

Abstract

The invention relates to the technical field of steel structure welding positioning devices, in particular to a steel structure welding positioning device which comprises a welding workbench and a positioning underframe arranged on the welding workbench, wherein two ends of the bottom of the positioning underframe are rotatably connected with rotating shafts, the rotating shafts are used for supporting bending rollers, the positioning underframe is used for supporting webs, and a plurality of moving ports are arranged on the welding workbench and positioned on two sides of the positioning underframe; according to the invention, after the adjustment of the wing plate and the web plate is completed, when one end of the wing plate is folded and wrapped on the outer side of one end of the web plate through the folding roller, the folding end positioning mechanism can synchronously increase the clamping force of the wing plate near the folding position along with the rotation of the rotating shaft so as to resist the prestress generated when the wing plate is folded, and further prevent the phenomenon of tilting due to the action of the prestress at the other end of the wing plate, thereby ensuring the welding precision of the H-shaped steel beam of the light steel structure shed.

Inventors

  • ZHU JINGXUAN
  • XU SHANZHEN
  • WANG CHENG
  • FENG MENGQI

Assignees

  • 南通理工学院

Dates

Publication Date
20260512
Application Date
20251009

Claims (9)

  1. 1. The steel structure welding positioning device comprises a welding workbench (1) and a positioning underframe (2) arranged on the welding workbench (1), wherein two ends of the bottom of the positioning underframe (2) are rotatably connected with rotating shafts (3), the rotating shafts (3) are used for supporting bending rollers, and the positioning underframe (2) is used for supporting webs, and the steel structure welding positioning device is characterized in that a plurality of moving ports (11) are arranged on the welding workbench (1) and positioned on two sides of the positioning underframe (2), the moving ports (11) penetrate through and are provided with supporting shafts (4), two supporting shells (5) are arranged inside the welding workbench (1), the two supporting shells (5) respectively support the supporting shafts (4), a rotating mechanism (51) is arranged inside the supporting shells (5), and the rotating mechanism (51) is used for driving the supporting shafts (4); a connecting mechanism (6) is arranged in the welding workbench (1), and the connecting mechanism (6) is used for connecting the two support shells (5); The welding machine is characterized in that an extrusion wheel (7) is connected to the moving port (11) in a sliding manner, a matching wheel (8) is arranged above the positioning underframe (2), the matching wheel (8) is matched with the extrusion wheel (7) to position the wing plate and the web, a lifting mechanism (9) is arranged on the welding workbench (1), and the lifting mechanism (9) supports the plurality of matching wheels (8); The welding workbench (1) is also provided with two bending end positioning mechanisms (10), the two bending end positioning mechanisms (10) are respectively connected with the two supporting shells (5), and the bending end positioning mechanisms (10) are connected with the rotating shaft (3); the bending end positioning mechanism (10) comprises a synchronizing piece (101), a contact wheel (102), a clamping block (103), a moving piece (104), a clamping wheel (105) and a fixed wheel (106), wherein the synchronizing piece (101) is arranged at the bottom of a rotating shaft (3), one end of the synchronizing piece (101) extends to the inside of a welding workbench (1), the synchronizing piece (101) is connected with the contact wheel (102), one side of the clamping block (103) is provided with a pushing inclined plane (1031), and the contact wheel (102) is in contact with the pushing inclined plane (1031); Support and be equipped with on shell (5) and support mouth (52), and remove piece (104) setting in support mouth (52) department, clamp block (103) are connected with remove piece (104), install dead lever (107) on removing piece (104), dead lever (107) slip run through corresponding removal mouth (11) department, grip pulley (105) are located and move mouth (11) top, and grip pulley (105) fixed mounting on dead lever (107), tight pulley (106) are located the web, and tight pulley (106) and grip pulley (105) carry out the centre gripping location to pterygoid lamina one end when bending each other, tight pulley (106) fixed mounting is in lifting frame (92) bottom.
  2. 2. The steel structure welding positioning device according to claim 1, wherein the connecting mechanism (6) comprises two connecting plates (61), two bidirectional threaded screw rods (62) and a driving motor (63), the two connecting plates (61) are respectively and fixedly installed at the bottoms of the two supporting shells (5), threaded holes are formed in the connecting plates (61), the bidirectional threaded screw rods (62) are respectively and threadedly connected with the two connecting plates (61), the driving motor (63) is installed inside the welding workbench (1), and the driving motor (63) is used for driving the bidirectional threaded screw rods (62).
  3. 3. The steel structure welding positioning device according to claim 1, wherein the lifting mechanism (9) comprises two first electric push rods (91) and lifting frames (92), the two first electric push rods (91) are respectively and fixedly installed at two ends of the welding workbench (1), the lifting frames (92) are installed at the output ends of the two first electric push rods (91), the tops of the matched wheels (8) are fixedly connected with connecting shafts (93), and the connecting shafts (93) are rotatably connected to the bottoms of the lifting frames (92).
  4. 4. A steel structure welding positioning device according to claim 3, wherein the bottom of the matching wheel (8) is provided with a guiding conical surface (81), and one side of the matching wheel (8) close to the wing plate is provided with a guiding bulge.
  5. 5. A steel structure welding positioning device according to claim 3 is characterized in that a driven gear (931) is arranged above the matching wheel (8) and on the connecting shaft (93), a driving gear (71) is fixedly connected to the top of the extrusion wheel (7), and the driving gear (71) is meshed with the driven gear (931) when moving to the driven gear (931).
  6. 6. The steel structure welding positioning device according to claim 1, wherein grooves (12) are formed in the welding workbench (1) and located at the joint of the two wing plates end to end, two pressure sensors (13) are respectively arranged in the grooves (12), and a first elastic rod (14) and a second elastic rod (15) are respectively arranged on the two pressure sensors (13).
  7. 7. The steel structure welding positioning device according to claim 3, wherein the second electric push rods (921) are arranged at two ends of the lifting frame (92), pushing cone blocks (922) are fixedly connected to the bottoms of the second electric push rods (921), and the pushing cone blocks (922) are located on the outer side of one end of each wing plate after being bent.
  8. 8. The welding and positioning device for steel structures, as set forth in claim 1, characterized in that the synchronizing member (101) comprises a synchronizing plate (1011), a rotating support rod (1012), a pushing frame (1013) and a limiting member (1014), wherein the synchronizing plate (1011) is fixedly installed at the bottom of the rotating shaft (3), the position of the synchronizing plate (1011) deviated from the rotating shaft (3) is rotationally connected with one end of the rotating support rod (1012) through a rotating shaft, the other end of the rotating support rod (1012) is rotationally connected with the pushing frame (1013) through the rotating shaft, the limiting member (1014) is arranged inside the welding workbench (1), and the limiting member (1014) is used for guiding the pushing frame (1013); the contact wheel (102) is rotatably connected to one end of the pushing frame (1013).
  9. 9. The welding positioning device for steel structures of claim 8, wherein the moving member (104) comprises a moving block (1041) and connecting springs (1042), the moving block (1041) penetrates through the supporting opening (52) in a sliding mode, the connecting springs (1042) are arranged in a plurality, the connecting springs (1042) are respectively arranged at two ends of the supporting opening (52), the other ends of the connecting springs (1042) are fixedly connected with the moving block (1041), the clamping block (103) is fixedly arranged at the bottom of the moving block (1041), and the fixing rod (107) is fixedly arranged on the moving block (1041).

Description

Steel construction welding position device Technical Field The invention relates to the technical field of steel structure welding positioning devices, in particular to a steel structure welding positioning device. Background The H-shaped steel beam of the light steel structure photovoltaic car shed consists of a web plate and two wing plates, when the H-shaped steel beam is welded, the web plate is firstly placed on a welding workbench, then the two wing plates are placed on the outer side of the web plate, the two wing plates are clamped and positioned on the outer side of the web plate through a clamp, two ends of the two wing plates are respectively bent and wrapped at two ends of the web plate by a bending roller, and then a worker uses a welding tool to sequentially spot weld the spliced steel structure. However, when the clamp clamps the wing plates and the web plates, a worker is required to continuously adjust the positions of the wing plates, meanwhile, the clamping positions of the clamp are relatively fixed, when one end of the wing plates is bent by the bending roller, the other end of the wing plates can tilt due to the prestress, so that the steel structure is offset during welding, and therefore, the steel structure welding positioning device is provided. Disclosure of Invention The invention aims to provide a steel structure welding positioning device for solving the problems in the background technology. The steel structure welding positioning device comprises a welding workbench and a positioning underframe arranged on the welding workbench, wherein two ends of the bottom of the positioning underframe are rotatably connected with rotating shafts, the rotating shafts are used for supporting bending rollers, the positioning underframe is used for supporting webs, a plurality of moving ports are arranged on the welding workbench and positioned on two sides of the positioning underframe, supporting shafts penetrate through the moving ports, two supporting shells are arranged inside the welding workbench and respectively support the supporting shafts, a rotating mechanism is arranged inside the supporting shells and is used for driving the supporting shafts; A connecting mechanism is arranged in the welding workbench and is used for connecting the two support shells; the movable port is connected with an extrusion wheel in a sliding manner, a matching wheel is arranged above the positioning underframe, the matching wheel is matched with the extrusion wheel to position the wing plate and the web plate, a lifting mechanism is arranged on the welding workbench, and the lifting mechanism supports the matching wheels; The welding workbench is further provided with two bending end positioning mechanisms, the two bending end positioning mechanisms are respectively connected with the two supporting shells, and the bending end positioning mechanisms are connected with the rotating shaft. Further, coupling mechanism includes connecting plate, two-way screw thread lead screw and driving motor, the connecting plate is equipped with two, two connecting plate fixed mounting respectively is in two support shell bottoms, be equipped with the screw hole on the connecting plate, and two-way screw thread lead screw respectively with two connecting plate threaded connection, driving motor installs inside welding bench, and driving motor is used for driving two-way screw thread lead screw. Further, the lifting mechanism comprises two first electric push rods and lifting frames, wherein the two first electric push rods are respectively and fixedly installed at two ends of the welding workbench, the lifting frames are installed at the output ends of the two first electric push rods, the tops of the matched wheels are fixedly connected with connecting shafts, and the connecting shafts are rotationally connected to the bottoms of the lifting frames. Further, the cooperation wheel bottom is equipped with the direction conical surface, and the cooperation wheel is close to one side of pterygoid lamina and is equipped with the direction arch, through the direction arch that is equipped with to can make cooperation wheel and extrusion wheel mutually support, realize the effect of adjusting the position of pterygoid lamina. Further, the driven gear is arranged above the matching wheel and on the connecting shaft, the driving gear is fixedly connected to the top of the extrusion wheel, and the driving gear is meshed with the driven gear when moving to the driven gear. Further, the welding workbench is provided with grooves at the joint of the head and the tail of the two wing plates, two pressure sensors are respectively arranged at the grooves, a first elastic rod and a second elastic rod are respectively arranged on the pressure sensors, and the two pressure sensors are used for detecting the positions of the wing plates through infrared sensors. Further, the second electric putter is all installed at the both ends of lif