CN116984792B - Mobile welding device for bridge production - Google Patents
Mobile welding device for bridge production Download PDFInfo
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- CN116984792B CN116984792B CN202311237368.5A CN202311237368A CN116984792B CN 116984792 B CN116984792 B CN 116984792B CN 202311237368 A CN202311237368 A CN 202311237368A CN 116984792 B CN116984792 B CN 116984792B
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- 238000003466 welding Methods 0.000 title claims abstract description 117
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 239000000463 material Substances 0.000 claims description 31
- 230000002457 bidirectional effect Effects 0.000 claims description 14
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004021 metal welding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0252—Steering means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Resistance Welding (AREA)
Abstract
The invention discloses a movable welding device for bridge production, and particularly relates to the technical field of bridge welding devices. According to the movable welding device for bridge production, when the pushing mechanism pushes two bridge components to move, the blanking device can sequentially place the supporting pieces on the surfaces of the components and directly match the welding mechanism to weld the supporting pieces, so that the welding time of a bridge is greatly saved, meanwhile, the supporting pieces can be prevented from shifting during welding, the welding effect of the bridge is enhanced, the welding gun welds the bridge, the supporting pieces with different widths can be welded, and the practicability of the device is enhanced.
Description
Technical Field
The invention relates to the technical field of bridge welding devices, in particular to a movable welding device for bridge production.
Background
The bridge frame is divided into a groove type structure, a tray type structure, a ladder frame type structure, a grid type structure and the like, and consists of a bracket, a bracket arm, an installation accessory and the like, wherein the ladder frame type bridge frame is required to be welded to the assembly parts during production;
welding refers to welding of metals, and is a forming method in which two separate objects are connected together by an interatomic bonding force by heating or pressurizing, or by a combination of both.
The Chinese patent document CN114799598A discloses an automatic welding device for a ladder-type cable bridge, which comprises a bottom plate, a discharging unit, moving units, detecting units, a material conveying unit and a feeding unit, wherein a chute is formed in the left end of the bottom plate, the discharging unit is connected inside the chute in a sliding manner, the moving grooves are symmetrically formed in the front and back of the upper end of the bottom plate, two moving units are symmetrically arranged in the front and back of the upper end of the bottom plate, the detecting units are arranged between the two moving units and are arranged on the bottom plate, a plurality of evenly distributed material conveying units are arranged between the two moving units and are in sliding connection with the moving grooves, the feeding unit is arranged above the detecting units, and the lower end of the feeding unit is fixedly connected with the bottom plate;
this patent is in daily use, though can put support piece in proper order, then welds the crane span structure part, has increased welding process's time, and the support piece can appear the skew in welding process for the welding effect of crane span structure is relatively poor, and the welding rifle of wherein is opened all the time, in case contact other object surfaces, all can weld, has increased the rejection rate during welding process, can't weld the support piece of different width.
Disclosure of Invention
The invention mainly aims to provide a movable welding device for bridge production, which can effectively solve the problems that all supporting pieces need to be placed in advance before welding and the supporting pieces deviate in the welding process.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the movable welding device for bridge production comprises a workbench main body, wherein an adjusting mechanism is arranged at the upper end of the workbench main body, a pushing mechanism is arranged on the right side of the adjusting mechanism, a discharging device is arranged on the upper side of the adjusting mechanism, a welding mechanism is fixedly arranged at the left end of the discharging device, and a movable platform is arranged on the left side of the adjusting mechanism;
the adjusting mechanism comprises four first sliding rails, a first sliding block is slidably mounted on the outer surface of each first sliding rail, a material placing base is fixedly mounted on the upper end of each first sliding block, a connecting rod is arranged between the material placing bases, two fixed gears are fixedly mounted on the outer surfaces of the connecting rods, racks are respectively arranged on the upper side and the lower side of each fixed gear, the racks are respectively connected with the two material placing bases, and a hand wheel is fixedly mounted on the right end of each connecting rod.
Preferably, the pushing mechanism comprises an electric cylinder, two supporting pipes are fixedly arranged at the output end of the electric cylinder, pushing springs are fixedly arranged on the inner wall of one side, close to each other, of the supporting pipes, movable blocks are arranged in the inner cavities of the supporting pipes, the movable blocks are connected with the pushing springs on the same side, three open slots are formed in one ends, far away from each other, of the movable blocks, rotating wheels are arranged in the open slots, L-shaped blocks are fixedly arranged at the left ends of the movable blocks, elastic blocks are arranged at the left ends of the L-shaped blocks, and supporting rods are fixedly arranged at the left ends of the supporting pipes.
Preferably, a horizontal end surface of one side of the L-shaped block is closely attached to the support tube surface on the same side.
Preferably, the welding mechanism comprises a shell, a bidirectional motor is fixedly arranged in the middle of the inner wall of the lower side of the shell, reciprocating screws are rotatably arranged on the front side and the rear side of the inner cavity of the shell, a welding frame is arranged on the outer surface of each reciprocating screw, two triggering blocks are fixedly arranged at the left end of the shell, and the triggering blocks are matched with the welding frame.
Preferably, the output ends of the bidirectional motor are respectively connected with the two reciprocating screws by adopting belts.
Preferably, the shell upper end fixed mounting has two slide rails two, two slide rail external surface is all slidable mounting has slider two, two slider two upper ends all is equipped with belt pulley one, two fixed mounting has telescopic link one between the belt pulley one, is located the rear side the belt pulley one rear end is equipped with telescopic link two.
Preferably, the welding frame comprises a shell, the shell adopts the installation piece with reciprocal screw threaded connection, one side that bi-directional motor was kept away from to the shell is equipped with the baffle, the shell inner chamber is equipped with the regulating block, the one end fixed mounting that bi-directional motor was kept away from to the regulating block has the push tube, the dead lever is installed in the rotation of regulating block left end, dead lever surface left side fixed mounting has the rectangle ring, dead lever left end fixed mounting has the welding gun, the shell inner chamber rotates installs the threaded rod, the threaded rod with baffle threaded connection, the regulating block is close to bi-directional motor's one end is rotated and is installed spring, spring fixed mounting is in the shell inner wall, the one end fixed mounting that the threaded rod is close to bi-directional motor has belt pulley two.
Preferably, the second belt pulley and the first belt pulley on the same side are wound with a belt together, and the mounting block is connected with the second sliding block.
Preferably, the left end of the fixed gear positioned at the left side is provided with two mutually meshed bevel gears, the rear side of each bevel gear is provided with a belt pulley group, and the belt pulley group is mutually connected with the telescopic rod II.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the blanking device provided by the invention, when the pushing mechanism pushes the two bridge components to move, the blanking device can sequentially place the supporting pieces on the surfaces of the components, and the supporting pieces are welded by being directly matched with the welding mechanism, so that the processing of the bridge can be finished only by pushing the bridge components to move, the welding time of the bridge is greatly saved, meanwhile, the supporting pieces can be prevented from shifting during welding, and the welding effect of the bridge is enhanced.
2. According to the welding frame, the welding gun is used for welding the bridge frame, the welding gun can be started only by contacting the trigger block, even if the welding gun is always kept in an electrified state when in use, normal welding processing is not affected, the distance between bridge frame components can be changed through the adjusting mechanism, meanwhile, the contact time between the welding gun and the supporting piece can be changed, supporting pieces with different widths can be welded, and the practicability of the device is enhanced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the main structure of the present invention;
FIG. 3 is a schematic view of a portion of the structure of the present invention;
FIG. 4 is a schematic view of an adjusting mechanism according to the present invention;
FIG. 5 is a schematic view showing the internal structure of the pushing mechanism of the present invention;
FIG. 6 is a schematic view of the attachment portion of the adjustment mechanism and welding mechanism of the present invention;
FIG. 7 is a schematic view of the internal structure of the welding mechanism of the present invention;
FIG. 8 is a schematic view of a welding process state of the welding mechanism of the present invention;
FIG. 9 is a schematic view of a portion of a welding mechanism according to the present invention;
fig. 10 is a schematic view of the internal structure of the welding frame of the present invention.
In the figure: 1. a table main body; 2. an adjusting mechanism; 3. a pushing mechanism; 4. a blanking device; 5. a welding mechanism; 6. a mobile platform; 21. a first slide rail; 22. a first sliding block; 23. a material placing base; 24. a connecting rod; 25. a fixed gear; 26. a rack; 27. a hand wheel; 31. an electric cylinder; 32. a support tube; 33. a pushing spring; 34. a movable block; 35. a rotating wheel; 36. an L-shaped block; 37. an elastic block; 38. a support rod; 51. a housing; 52. a bi-directional motor; 53. a reciprocating screw; 54. a welding frame; 55. a trigger block; 56. a second slide rail; 57. a second slide block; 58. a first belt pulley; 59. a first telescopic rod; 540. a fixed rod; 541. a housing; 543. an adjusting block; 544. pushing the tube; 545. a rectangular ring; 546. a welding gun; 547. a threaded rod; 548. an elastic spring; 549. a belt pulley II; 60. a second telescopic rod; 61. a bevel gear; 62. a belt pulley group.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Embodiment one: as shown in fig. 1-10, a movable welding device for bridge production comprises a workbench main body 1, wherein an adjusting mechanism 2 is arranged at the upper end of the workbench main body 1, bridge components to be welded can be placed by the adjusting mechanism 2, the distance between the bridge components is changed by controlling the adjusting mechanism 2, the welding work can be adapted to the requirements of different diameters, a pushing mechanism 3 is arranged on the right side of the adjusting mechanism 2, the movable welding device is matched with the adjusting mechanism 2 for use, the components can be clamped, the components are pushed to move through an electric cylinder 31 in the movable welding device, a supporting piece is welded to the surfaces of the components in sequence, and the two components are connected with each other;
the adjustment mechanism 2 upside is equipped with unloader 4 for deposit support piece's device, and can regularly automatic unloading, then weld support piece to the part surface again, the bigger distance between two parts is the bigger, and support piece's width is just bigger, and unloader 4 left end fixed mounting has welding mechanism 5, welds support piece to the surface of two parts, and adjustment mechanism 2 left side is equipped with the crane span structure after moving platform 6 welding is accomplished and can be pushed to moving platform 6 by pushing mechanism 3, conveniently collects, also conveniently observes whether the welding is qualified simultaneously.
Further, in order to adjust the distance between the bridge components, as shown in fig. 4, the adjusting mechanism 2 includes four sliding rails 21, the outer surfaces of the four sliding rails 21 are respectively slidably provided with a first sliding block 22, the sliding rails 21 and the first sliding blocks 22 can reduce the generated friction force when adjusting the distance between the two material-fixing bases 23, the service life of the device is prolonged, the upper ends of the two adjacent sliding blocks 22 are fixedly provided with the material-fixing bases 23, the L-shaped material-fixing bases 23 are used for placing the bridge components, the pushing mechanism 3 is matched for clamping the components, a connecting rod 24 is arranged between the two material-fixing bases 23, two fixed gears 25 are fixedly arranged on the outer surfaces of the connecting rod 24, when the connecting rod 24 is manually rotated, the two fixed gears 25 can be driven to rotate simultaneously, racks 26 are respectively arranged on the upper side and lower side of the two fixed gears 25, under the meshing action of the gears, when the fixed gears 25 rotate, the racks 26 are respectively connected with the two material-fixing bases 23 in opposite directions, when the fixed gears 25 rotate, the racks 26 can drive the two material-fixing bases 23 to move in opposite directions, and the connecting rod 24 is also rotatably provided with a connecting rod 27;
specifically, the hand wheel 27 is manually rotated to drive the connecting rod 24 to rotate, under the meshing action of the gears, the connecting rod 24 can drive the two racks 26 and the material placing base 23 to move in opposite directions, the diameter of a welding-out bridge is controlled by adjusting the distance between the two material placing bases 23, the practicability of the device is improved, the first sliding rail 21 and the first sliding block 22 are mutually matched for use, the friction force generated when the material placing base 23 moves is reduced, the hand wheel 27 is rotated more labor-saving, and the distance between the material placing bases 23 is conveniently adjusted.
To further explain, in order to push the bridge component to move, as shown in fig. 5, the pushing mechanism 3 includes an electric cylinder 31, two support tubes 32 are fixedly mounted at the output end of the electric cylinder 31, pushing springs 33 are fixedly mounted on inner walls of one sides of the two support tubes 32, which are close to each other, the pushing springs 33 are always in a contracted state, the two movable blocks 34 can be pushed to move by the pushing springs 33, the inner cavities of the two support tubes 32 are all provided with the movable blocks 34, when the distance between the two material placing bases 23 is changed, the distance between the two movable blocks 34 is changed, under the support of the movable blocks 34 by the pushing springs 33, the L-shaped blocks 36 are matched for use, and the surface of the bridge component can be always contacted, so that the component can be normally pushed;
then, the two movable blocks 34 are connected with the pushing spring 33 positioned on the same side, the pushing spring 33 can always push the movable blocks 34 to be contacted with the surface of the material placing base 23, three open grooves are formed in the ends, away from each other, of the two movable blocks 34, rotating wheels 35 are arranged in the open grooves, when the electric cylinder 31 is required to push the supporting tube 32 and the movable blocks 34 to move, the parts can be driven to move, when the movable blocks 34 move, the movable blocks can be contacted with the surface of the material placing base 23 and generate larger friction force, and when the rotating wheels 35 are contacted with the surface of the material placing base 23, the friction force generated by movement can be reduced, so that the structure can be operated smoothly, and meanwhile, the loss among the structural parts is reduced;
then, the left ends of the two movable blocks 34 are fixedly provided with L-shaped blocks 36, the movable blocks 34 need to contract, so that the bridge component cannot be contacted, the bridge component can be normally pushed to move only by the contact of the L-shaped blocks 36 with the surface of the bridge component, the horizontal end face of one side of the L-shaped blocks 36 is tightly attached to the surface of the supporting tube 32 on the contract side, the normal extension and retraction of the movable blocks 34 can not be influenced, the left ends of the two L-shaped blocks 36 are provided with elastic blocks 37, the left ends of the two supporting tubes 32 are fixedly provided with supporting rods 38, the elastic blocks 37 have certain elasticity, the supporting rods 38 consist of two telescopic tubes and supporting frames, the elastic blocks 37 and the supporting rods 38 push the bridge component to two sides and cooperate with the surface of the material placing base 23 to clamp the bridge component, and the bridge component is prevented from moving in the welding process, and the welding effect is influenced;
specifically, when the components of the bridge frame are placed on the material placing bases 23, the supporting rods 38 and the elastic blocks 37 can push the bridge frame components to move towards the surface direction of the material placing bases 23, the material placing bases 23 can clamp the bridge frame components, meanwhile, the movable blocks 34 can press the pushing springs 33 inwards to enable the movable blocks to shrink and enter between the two material placing bases 23, at the moment, the surfaces of the rotating wheels 35 and the L-shaped blocks 36 are tightly attached to the surface of the material placing bases 23 on the same side, when the electric cylinders 31 are started to push the supporting tubes 32 and the movable blocks 34 to move, the L-shaped blocks 36 can push the bridge frame components to move, the blanking device 4 can lower the supporting pieces to the surface of the bridge frame components, and then the supporting pieces are welded to the surface of the bridge frame components through the welding mechanism 5.
To further explain, in order to weld the support piece to the surface of the bridge component, as shown in fig. 7 and 8, the welding mechanism 5 includes a housing 51, a bidirectional motor 52 is fixedly installed in the middle of the inner wall of the lower side of the housing 51, two output shafts of the bidirectional motor 52 rotate in opposite directions to drive two reciprocating screws 53 to rotate in different directions, the reciprocating screws 53 are rotatably installed on the front side and the rear side of the inner cavity of the housing 51, the welding frame 54 can be driven to reciprocate by the reciprocating screws 53, the support piece is welded, the output end of the bidirectional motor 52 is respectively connected with the two reciprocating screws 53 by adopting a belt, and the two reciprocating screws 53 can be driven to rotate by starting the bidirectional motor 52;
furthermore, the outer surface of the reciprocating screw 53 is provided with a welding frame 54, the welding frame 54 is always in an electrified state, an additional switch for controlling the welding frame 54 is not needed, when the welding frame 54 moves to two sides, a supporting piece can be welded, the left end of the shell 51 is fixedly provided with two trigger blocks 55, when the welding frame 54 moves and contacts the trigger blocks 55, the switch of a welding gun 546 in the welding frame 54 can be triggered, the supporting piece is welded, the widths of the supporting piece are different, and the required welding time also needs to be changed;
still further, the trigger block 55 is used in cooperation with the welding frame 54, two second slide rails 56 are fixedly arranged at the upper end of the shell 51, two second slide rails 57 are slidably arranged on the outer surfaces of the two second slide rails 56, the second slide rails 56 and the second slide rails 57 are used in cooperation with each other, friction force generated when the first belt pulley 58 moves can be reduced, the first belt pulley 58 is arranged at the upper ends of the two second slide rails 57, the contact time between the welding frame 54 and the supporting piece can be changed by rotating the first belt pulley 58, a first telescopic rod 59 is fixedly arranged between the two first belt pulleys 58, the two first belt pulleys 58 are connected with each other, the first telescopic rod 59 stretches towards two sides by taking the middle part as a fulcrum, normal movement of the first belt pulley 58 is not influenced, and a second telescopic rod 60 is arranged at the rear end of the first belt pulley 58 at the rear side and is connected with the adjusting mechanism 2 through the second telescopic rod 60;
specifically, the bi-directional motor 52 is started to drive the reciprocating screws 53 at two sides to rotate in opposite directions, under the action of the threaded connection, when the reciprocating screws 53 rotate, the two welding frames 54 can be driven to move in opposite directions, the welding frames 54 can drive the belt pulley I58 at the same side to move, the sliding block II 57 and the sliding rail II 56 can reduce friction force generated when the belt pulley I58 moves, and when the trigger block 55 moves to one side of the trigger block 55 and contacts with the trigger block 55, the welding gun 546 in the welding frame 54 can contact with the supporting piece to weld the welding gun 546 to the surface of the bridge frame component.
The specific implementation manner of the first embodiment is as follows: the hand wheel 27 is manually rotated to drive the connecting rod 24 to rotate, the connecting rod 24 can drive the two racks 26 and the material placing bases 23 to move in opposite directions, the distance between the two material placing bases 23 is adjusted, a component of a bridge frame is placed on the material placing bases 23, the supporting rod 38 and the elastic block 37 can push the component of the bridge frame to move towards the surface direction of the material placing bases 23, the material placing bases 23 are matched to clamp the component of the bridge frame, meanwhile, the movable block 34 can inwards squeeze and push the spring 33 to shrink and enter between the two material placing bases 23, and at the moment, the surfaces of the rotating wheel 35 and the L-shaped block 36 are tightly attached to the surfaces of the material placing bases 23 on the same side;
when the starting cylinder 31 pushes the supporting tube 32 and the movable block 34 to move, the L-shaped block 36 can push the bridge component to move, and the blanking device 4 can lower the supporting piece to the surface of the bridge component; when the bidirectional motor 52 is started to drive the reciprocating screws 53 on two sides to rotate in opposite directions, when the reciprocating screws 53 rotate, the two welding frames 54 can be driven to move in opposite directions, the welding frames 54 can drive the belt pulley I58 on the same side to move, and when the trigger block 55 moves to one side of the trigger block 55 and contacts with the trigger block 55, the welding gun 546 in the welding frames 54 can be contacted with the supporting piece to weld the welding gun 546 to the surface of the bridge frame component.
Embodiment two: the first embodiment is a further improvement of the welding frame 54 on the basis of the first embodiment, so that the welding time of the welding gun 546 can be automatically changed when the distance between the two material placing bases 23 is adjusted, and the purpose of welding support pieces with different widths can be achieved.
To further explain, in order to adjust the time for the welding gun 546 to contact the supporting member, as shown in fig. 9 and 10, the welding frame 54 includes a housing 541, the housing 541 is connected with the reciprocating screw 53 by a mounting block in a threaded manner, when the reciprocating screw 53 rotates, the housing 541 can be driven to move by the mounting block, a baffle is disposed on a side of the housing 541 away from the inner cavity of the bi-directional motor 52, the baffle is slidably connected with the inner cavity of the housing 541, and cannot rotate, an adjusting block 543 is disposed in the inner cavity of the housing 541, the adjusting block 543 and the baffle are connected by a telescopic tube, and the adjusting block 543 can only move in a direction away from the baffle, a pushing tube 544 is fixedly mounted at one end of the adjusting block 543 away from the bi-directional motor 52, when the pushing tube 544 contacts the inner wall of the housing 51, the adjusting block 543 is pushed to move in the inner cavity of the housing 541, and the time for the pushing tube 544 to push the adjusting block 543 to move is the welding gun 546 to weld;
then, the left end of the adjusting block 543 is rotatably provided with a fixed rod 540, the left side of the outer surface of the fixed rod 540 is fixedly provided with a rectangular ring 545, when the rectangular ring 545 contacts the trigger block 55, the fixed rod 540 and the welding gun 546 can be driven to rotate, and when the welding gun 546 contacts the supporting piece, the welding gun 546 is fixedly arranged at the left end of the fixed rod 540, the bridge frame is welded through the welding gun 546, the inner cavity of the shell 541 is rotatably provided with a threaded rod 547, the threaded rod 547 is in threaded connection with the baffle, when the threaded rod 547 rotates, the push pipe 544 and the adjusting block 543 are driven to move, the position of the adjusting block 543 is far away from the belt pulley two 549, the time for the welding gun 546 to contact the supporting piece is longer, and the wider supporting piece can be welded;
then, an elastic spring 548 is rotatably mounted at one end of the adjusting block 543 close to the bi-directional motor 52, after each welding, the elastic spring 548 can push the adjusting block 543 and the push tube 544 to reset, the elastic spring 548 is fixedly mounted on the inner wall of the shell 541, a belt is wound on the outer surface of the belt pulley two 549 and the outer surface of the belt pulley one 58 together, and when the belt pulley one 58 rotates, the belt pulley two 549 is driven to rotate;
specifically, when the reciprocating screw 53 rotates, the housing 541 is driven to move by the mounting block, when the housing 541 moves to a certain distance, the rectangular ring 545 contacts the trigger block 55 to drive the adjusting block 543 and the welding gun 546 to rotate, and when the welding gun 546 contacts the supporting member, the adjusting block 543 is driven to move in the inner cavity of the housing 541 by contacting the pushing tube 544 with the inner wall of the housing 51, and the housing 541 still moves at this time, so that the welding gun 546 is kept in place until the housing 541 moves to a certain distance in the opposite direction, and the welding is stopped;
when the first belt pulley 58 drives the second belt pulley 549 to rotate, the second belt pulley 549 drives the threaded rod 547 to rotate, the baffle and the adjusting block 543 can move towards the second belt pulley 549 under the action of threaded connection, after the position of the adjusting block 543 changes, the time that the rectangular ring 545 contacts the trigger block 55 also changes, so that the welding time of the welding gun 546 on the supporting piece can be changed, and the supporting pieces with different widths can be welded.
To further explain, in order to connect the fixed gear 25 and the second telescopic rod 60 with each other, as shown in fig. 6 and 7, the mounting block is connected with the second sliding block 57, so that the second sliding block 57 and the housing 541 can be driven to move simultaneously, two bevel gears 61 meshed with each other are provided at the left end of the fixed gear 25 at the left side, a pulley set 62 is provided at the rear side of the bevel gears 61, the pulley set 62 is connected with the second telescopic rod 60, when the fixed gear 25 rotates, the bevel gears 61 and the pulley set 62 can be driven to rotate simultaneously, and the second telescopic rod 60 can drive the first two pulleys 58 to rotate simultaneously, so as to change the welding time of the welding gun 546.
The specific implementation manner of the second embodiment is as follows: when the reciprocating screw 53 rotates, the housing 541 is driven to move by the mounting block, when the housing 541 moves to a certain distance, the rectangular ring 545 contacts the trigger block 55 to drive the fixing rod 540 and the welding gun 546 to rotate, and when the welding gun 546 contacts the supporting member, the fixing rod and the welding gun 546 are welded, at this time, the pushing tube 544 contacts the inner wall of the housing 51 and pushes the adjusting block 543 to move in the inner cavity of the housing 541, and at this time, the housing 541 still moves continuously, so that the welding gun 546 is kept in place until the housing 541 moves to a certain distance in the opposite direction, and welding is stopped.
In the present invention, the specific installation method, circuit connection method and control method of the blanking device 4, the electric cylinder 31, the bidirectional motor 52 and the welding gun 546 are all conventional designs, and the present invention is not described in detail.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. The utility model provides a portable welding set is used in crane span structure production, includes workstation main part (1), its characterized in that: the automatic feeding device is characterized in that an adjusting mechanism (2) is arranged at the upper end of the workbench main body (1), a pushing mechanism (3) is arranged on the right side of the adjusting mechanism (2), a feeding device (4) is arranged on the upper side of the adjusting mechanism (2), a welding mechanism (5) is fixedly arranged at the left end of the feeding device (4), and a moving platform (6) is arranged on the left side of the adjusting mechanism (2);
the adjusting mechanism (2) comprises four first sliding rails (21), wherein first sliding blocks (22) are slidably arranged on the outer surfaces of the first sliding rails (21), material placing bases (23) are fixedly arranged at the upper ends of the adjacent first sliding blocks (22), connecting rods (24) are arranged between the two material placing bases (23), two fixed gears (25) are fixedly arranged on the outer surfaces of the connecting rods (24), racks (26) are arranged on the upper side and the lower side of each fixed gear (25), the racks (26) are respectively connected with the two material placing bases (23), and hand wheels (27) are fixedly arranged at the right ends of the connecting rods (24);
the welding mechanism (5) comprises a shell (51), a bidirectional motor (52) is fixedly arranged in the middle of the inner wall of the lower side of the shell (51), reciprocating screws (53) are rotatably arranged on the front side and the rear side of the inner cavity of the shell (51), a welding frame (54) is arranged on the outer surface of each reciprocating screw (53), two trigger blocks (55) are fixedly arranged at the left end of the shell (51), and the trigger blocks (55) and the welding frame (54) are matched with each other for use;
the output ends of the bidirectional motors (52) are respectively connected with the two reciprocating screws (53) by adopting belts;
two sliding rails II (56) are fixedly arranged at the upper end of the shell (51), sliding blocks II (57) are slidably arranged on the outer surfaces of the two sliding rails II (56), belt pulleys I (58) are arranged at the upper ends of the two sliding blocks II (57), a telescopic rod I (59) is fixedly arranged between the two belt pulleys I (58), and a telescopic rod II (60) is arranged at the rear end of the belt pulley I (58) positioned at the rear side;
the welding frame (54) comprises a shell (541), the shell (541) is in threaded connection with the reciprocating screw (53), a baffle is arranged on one side, far away from an inner cavity of the bidirectional motor (52), of the shell (541), an adjusting block (543) is arranged in the inner cavity of the shell (541), a pushing tube (544) is fixedly arranged at one end, far away from the bidirectional motor (52), of the adjusting block (543), a fixing rod (540) is rotatably arranged at the left end of the adjusting block (543), a rectangular ring (545) is fixedly arranged at the left side of the outer surface of the fixing rod (540), a welding gun (546) is fixedly arranged at the left end of the fixing rod (540), a threaded rod (547) is rotatably arranged in the inner cavity of the shell (541), the threaded rod (547) is in threaded connection with the baffle, an elastic spring (548) is rotatably arranged at one end, close to the bidirectional motor (52), and a belt pulley II (549) is fixedly arranged at one end, close to the bidirectional motor (52), of the threaded rod (547);
the second belt pulley (549) and the first belt pulley (58) which are positioned on the same side are wound with a belt together;
the left end of the fixed gear (25) positioned at the left side is provided with two mutually meshed bevel gears (61), the rear side of each bevel gear (61) is provided with a belt pulley group (62), and the belt pulley groups (62) are mutually connected with the telescopic rod II (60).
2. The mobile welding device for bridge production of claim 1, wherein: the pushing mechanism (3) comprises an electric cylinder (31), two supporting tubes (32) are fixedly arranged at the output end of the electric cylinder (31), pushing springs (33) are fixedly arranged on the inner wall of one side, close to each other, of each supporting tube (32), movable blocks (34) are arranged in the inner cavity of each supporting tube (32), the movable blocks (34) are connected with the pushing springs (33) on the same side, three open grooves are formed in one ends, far away from each other, of each movable block (34), rotating wheels (35) are arranged in the open grooves, L-shaped blocks (36) are fixedly arranged at the left ends of the movable blocks (34), elastic blocks (37) are arranged at the left ends of the L-shaped blocks (36), and supporting rods (38) are fixedly arranged at the left ends of the supporting tubes (32).
3. The mobile welding device for bridge production of claim 2, wherein: the horizontal end surface of one side of the L-shaped block (36) is tightly attached to the surface of the support tube (32) on the same side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311237368.5A CN116984792B (en) | 2023-09-25 | 2023-09-25 | Mobile welding device for bridge production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311237368.5A CN116984792B (en) | 2023-09-25 | 2023-09-25 | Mobile welding device for bridge production |
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| CN116984792A CN116984792A (en) | 2023-11-03 |
| CN116984792B true CN116984792B (en) | 2024-02-02 |
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| CN211991537U (en) * | 2020-04-20 | 2020-11-24 | 张家港市永茂住宅工业有限公司 | Prefabricated reinforcing bar net piece welding mechanism |
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| CN116984792A (en) | 2023-11-03 |
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Denomination of invention: A mobile welding device for bridge production Granted publication date: 20240202 Pledgee: China Construction Bank Yangzhong sub branch Pledgor: JIANGSU HONGMING ELECTRIC GROUP Co.,Ltd. Registration number: Y2024980021151 |