Positioning welding equipment and method for metal guardrail machining

Abstract

The invention relates to the technical field of metal guardrail welding, and discloses a metal guardrail machining positioning welding device and method.The metal guardrail machining positioning welding device comprises a positioning table and an electric arc welding head arranged at the top of the positioning table, the top of the positioning table is slidably connected with a plurality of moving tables, and the tops of the moving tables fixedly communicate with a containing frame and an equidistant assembly; the moving table is arranged at the top of the positioning table, the centering assembly is arranged on the surface of the moving table, and the centering assembly comprises a rotating mechanism arranged in the moving table and a pushing mechanism arranged in the moving table; through cooperative use of a moving table and an equidistant assembly, a driving motor drives a moving screw block to move through a driving screw rod, the moving screw block drives a guide strip to move through a connecting column, the guide strip drives the moving table to move through a guide block when moving, the moving table drives vertical rods to move through a placement frame, and then the distances between the vertical rods are the same; therefore, the effect of equidistant discharge is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of metal guardrail welding, in particular to positioning welding equipment and a method for processing metal guardrails. Background Art

[0002] Metal guardrails are very common in daily life and are installed as protective devices for blocking and protecting buildings, bridges, etc. Taking bridge metal guardrails as an example, they are mainly composed of support frames fixed on the ground to play the role of main support, railings fixed between the support frames, and gratings fixed between the support frames. The gratings are generally composed of railing assemblies welded from multiple rods. The gratings are generally of uniform specifications and can be prefabricated, welded and formed in the processing workshop. During the construction of bridge metal guardrails, they can be quickly welded and assembled on site. The constituent rods can be solid or tubular rods, and the cross-section of the rods can be circular or rectangular, etc. The welded structure can also be in various structural styles according to the design.

[0003] Publication number CN120095485A discloses a road metal guardrail welding processing device, which includes a frame and a mounting base that is lifted and lowered on the frame. The frame is provided with a lifting part that drives the mounting base to lift and lower. A fixed cylinder is rotatably provided on the mounting base. The grille column is movably located in the fixed cylinder, and both ends of the grille column protrude from the fixed cylinder. The fixed cylinder is provided with an ejection port for the grille column to slide out along the radial direction of the fixed cylinder. Two crossbeams are respectively located on both sides of the fixed cylinder. The frame is provided with a moving component that drives the two crossbeams to slide synchronously, a positioning component that positions and fixes the grille column, and a welding component that welds the grille column. Two groups of positioning components and two groups of welding components are provided, and the two groups of positioning components and the two groups of welding components correspond to the two ends of the fixed cylinder.

[0004] Although the above application and the prior art can reduce the flipping steps when welding the beam and the grid column, when the beam and the multiple arc-shaped uprights are position-welded in the above application and the prior art, the multiple arc-shaped uprights cannot be equidistantly placed in the middle of the beam, thereby affecting the subsequent molding aesthetics, and when the multiple arc-shaped uprights are equidistantly placed, the multiple arc-shaped uprights are not in the same horizontal position when placed, which will cause the contact positions of the two ends of the multiple arc-shaped uprights with the beam to be inconsistent, thereby affecting the subsequent welding quality, and when the positions of the multiple arc-shaped uprights are adjusted, when the curvature of the arc-shaped uprights is too large, it will cause the arc-shaped uprights to be difficult to push, thereby causing the multiple arc-shaped uprights to not be pushed to the specified position, thereby affecting the subsequent welding quality. Therefore, we propose a positioning welding device and method for metal guardrail processing. Summary of the Invention

[0005] (1) Technical problems solved

[0006] In response to the deficiencies in the prior art, the present invention provides a positioning welding device and method for metal guardrail processing, which has the advantages of equidistant arrangement, central alignment and easy adjustment. It solves the problem that when the beam and multiple curved vertical poles are positioned and welded in the above-mentioned application and the prior art, the multiple curved vertical poles cannot be placed equidistantly in the middle of the beam, thereby affecting the subsequent molding aesthetics. Moreover, when the multiple curved vertical poles are placed equidistantly, the multiple curved vertical poles are not in the same horizontal position when placed, which will cause the contact positions of the two ends of the multiple curved vertical poles with the beam to be inconsistent, thereby affecting the subsequent welding quality. Moreover, when the positions of the multiple curved vertical poles are adjusted, if the curvature of the curved vertical poles is too large, it will cause the curved vertical poles to be difficult to push, thereby causing the multiple curved vertical poles to not be pushed to the specified position, thereby affecting the subsequent welding quality.

[0007] (2) Technical solution

[0008] In order to achieve the above-mentioned purposes of equidistant arrangement, center alignment and easy adjustment, the present invention provides the following technical solutions: a positioning welding device for metal guardrail processing, comprising: a positioning platform and an arc welding head arranged on the top of the positioning platform,

[0009] A sliding frame is slidably connected to the top of the positioning platform, the arc welding head is fixedly connected to the inside of the sliding frame, a beam platform is provided at the four corners of the top of the positioning platform, a support mechanism is provided on the surface of the beam platform, the top of the positioning platform is slidably connected to a plurality of mobile platforms, and the tops of the plurality of mobile platforms are fixedly connected to a placement frame;

[0010] An equidistant assembly is provided on top of the positioning table and is used to place the vertical poles to be welded equidistantly between the two beams;

[0011] A centering assembly is provided on the surface of the movable platform. The centering assembly includes a rotating mechanism and a pushing mechanism provided inside the movable platform, and is used to center the vertical poles inside the placement rack to prevent some vertical poles from not being in contact with the crossbeam and affecting the subsequent welding effect;

[0012] The lifting component is arranged inside the placement rack and is used to prevent the vertical poles from being difficult to move inside the placement rack when the centering component aligns the vertical poles.

[0013] Furthermore, the equidistant component includes a drive motor fixedly connected to one side of the positioning platform, the output end of the drive motor is fixedly connected to a drive screw, the surface of the drive screw is threadedly connected to a moving screw block, and the top of the moving screw block is fixedly connected to a connecting box.

[0014] Furthermore, the equidistant component also includes a guide rod fixedly connected to the inside of the positioning platform, the surface of the guide rod is slidably connected to a number of guide blocks, the tops of the several guide blocks are fixedly connected to the bottoms of the several moving platforms, the moving screw block is slidably connected to the surface of the guide rod, the bottoms of the moving screw block and the several guide blocks are fixedly connected to connecting columns, and the connecting columns are transmitted through guide bars.

[0015] Furthermore, the rotating mechanism includes a placement slot opened on one side of several mobile platforms and a rotating rod rotatably connected to the inside of several mobile platforms, the inside of the placement slot is fixedly connected to an iron plate, the surface of the rotating rod is fixedly connected to a storage wheel, and a pull rope is provided on the surface of the storage wheel. The end of the pull rope away from the storage wheel is fixedly connected to a magnetic plate, and the magnetic plate can enter the placement slot and be adsorbed by the iron plate.

[0016] Furthermore, both ends of the rotating rod are fixedly connected to a fixing plate, the surface of the fixing plate close to the movable platform is fixedly connected to the first telescopic rod, and the surface of the first telescopic rod away from the fixing plate is fixedly connected to the extrusion disk.

[0017] Furthermore, the pushing mechanism includes a bidirectional screw rotatably connected to the inside of several mobile platforms and two air cylinders fixedly connected to the inside of several mobile platforms. The bidirectional screw and the rotating rod are transmitted through a transmission mechanism. The surface of the bidirectional screw is threadedly connected to two fixed screw blocks. Both of the two fixed screw blocks are slidably connected to the inside of the mobile platform. The opposite sides of the two fixed screw blocks are fixedly connected to extrusion rods. The end of the extrusion rod away from the fixed screw block is fixedly connected to a sealing disk. The sealing disk is slidably connected to the inside of the air cylinder.

[0018] Furthermore, the end of the gas cylinder away from the extrusion rod is fixedly connected to a connecting pipe, the end of the connecting pipe away from the gas cylinder is fixedly connected to an air storage cylinder, the end of the air storage cylinder away from the connecting pipe is fixedly connected to an air guide hose, the end of the air storage cylinder close to the air guide hose is provided with a pressure relief valve, and the end of the air guide hose away from the gas storage cylinder is fixedly connected to one end of the first telescopic rod.

[0019] Furthermore, the lifting assembly includes a fixed inclined plate fixedly connected to the top of one of the fixed screw blocks and a fixed groove opened inside the placement frame, and a driving inclined plate is slidably connected inside the fixed groove, and the bottom of the driving inclined plate and the top of the fixed inclined plate are squeezed and fitted with each other.

[0020] Furthermore, the lifting assembly also includes a plurality of lifting grooves opened inside the placement frame, one side of the lifting groove is communicated with the fixed groove, the interior of the plurality of lifting grooves is slidably connected to the fixed block, the top of the fixed block is rotatably connected to a rolling wheel, the bottom of the fixed block is rotatably connected to a rotating wheel, the interior of the fixed groove is fixedly connected to a second telescopic rod, one end of the second telescopic rod is fixedly connected to a movable inclined plate, a plurality of extrusion grooves are opened on the top of the movable inclined plate, and the rotating wheel rolls inside the extrusion groove.

[0021] The present invention also provides a positioning welding method for processing a metal guardrail, which specifically includes the following steps:

[0022] Step 1: Place several upright poles of the metal guardrail inside the placement rack so that the placement rack supports the several upright poles;

[0023] Step 2: When it is necessary to place several vertical poles equidistantly between two beams, start the equidistant assembly so that the equidistant assembly drives the vertical poles to move through the placement frame so that the vertical poles are equidistantly placed between the two beams;

[0024] Step 3: When the equidistant assembly is in operation, the equidistant assembly synchronously drives the centering assembly so that the centering assembly uniformly aligns the positions of the plurality of vertical poles inside the placement rack to avoid errors in subsequent welding;

[0025] Step 4: When the centering component is operating, the centering component drives the lifting component in advance, so that the lifting component lifts the vertical pole inside the placement rack, and then the centering component pushes the vertical pole smoothly;

[0026] Step 5. After the equidistant components have arranged several vertical poles at equal intervals, place the two beams of the metal guardrail inside the supporting mechanism, fix the beams through the supporting mechanism, and then position-weld the contact surfaces of the vertical poles and the beams through arc welding joints to initially fix the beams and the vertical poles.

[0027] (3) Beneficial effects

[0028] Compared with the prior art, the present invention provides a positioning welding device and method for metal guardrail processing, which has the following beneficial effects:

[0029] 1. The positioning welding equipment and method for processing metal guardrails use a movable table and an equidistant component to place several vertical poles inside the placement rack. The drive motor is started, and the drive motor drives the movable screw block to move through the drive screw, so that the movable screw block drives the guide bar to move through the connecting column. When the guide bar moves, it drives the movable table to move through the guide block, so that the movable table drives the vertical poles to move through the placement rack. When the placement rack moves, the placement rack drives the vertical poles inside it to move equidistantly, so that the spacing between each vertical pole is the same, thereby achieving the effect of equidistant arrangement.

[0030] 2. The positioning welding equipment and method for processing metal guardrails use the equidistant component and the centering component in conjunction with each other. When the movable platform is moving, the movable platform drives the magnetic plate to move through the iron plate, so that the magnetic plate drives the storage wheel to rotate through the pull rope. When the storage wheel rotates, it drives the fixed plate to rotate through the rotating rod and drives the bidirectional screw to rotate through the transmission mechanism, so that the fixed plate drives the extrusion plate to rotate to the two ends of the vertical pole through the first telescopic rod. At the same time, the bidirectional screw drives the extrusion rod to move through the fixed screw block, so that the sealing plate transports the air inside the gas cylinder to the inside of the gas storage cylinder through the connecting pipe. When the air pressure inside the gas storage cylinder gradually increases, the pressure relief valve opens, and the gas is transported to the inside of the first telescopic rod through the gas guide hose, thereby driving the extrusion plate to move toward the middle, so that the extrusion plate centers the vertical pole inside the placement rack, avoiding that the two ends of the vertical pole are not at the same horizontal height, thereby achieving the effect of centering alignment.

[0031] 3. The positioning welding equipment and method for processing the metal guardrail, through the coordinated use of the centering component and the lifting component, when the fixed screw block moves, the fixed screw block drives the fixed inclined plate to move, so that the fixed inclined plate squeezes the driving inclined plate and drives the driving inclined plate to rise, and the driving inclined plate squeezes the moving inclined plate during the rising process, so that the moving inclined plate drives the fixed block and the rolling wheel to rise through the rotating wheel, and retracts the second telescopic rod, and the rolling wheel slightly lifts the vertical pole during the rising process, so that the bottom of the vertical pole no longer fully contacts the inside of the placement frame, and then the vertical pole can move smoothly when pushed in the later stage, thereby achieving the effect of easy adjustment.

[0032] Other features and advantages of the present invention will be described in the following description, and part of them will become obvious from the description, or will be understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures particularly pointed out in the written description and the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0034] Figure 2 This is a schematic diagram of the cross-sectional three-dimensional structure of the positioning platform of the present invention;

[0035] Figure 3 This is a three-dimensional schematic diagram of the internal structure of the positioning platform of the present invention;

[0036] Figure 4 This is a three-dimensional schematic diagram of the internal structure of the positioning platform of the present invention from another perspective;

[0037] Figure 5 Schematic diagram of the three-dimensional structure of the mobile station of the present invention;

[0038] Figure 6 This is a schematic diagram of a cutaway three-dimensional structure of a mobile station of the present invention;

[0039] Figure 7 A schematic three-dimensional diagram of the internal structure of the mobile station of the present invention;

[0040] Figure 8 This is a schematic diagram of the three-dimensional structure of the rotating rod and the fixed plate of the present invention;

[0041] Figure 9 This is a schematic diagram of the three-dimensional structure of the bidirectional screw and the gas delivery cylinder of the present invention;

[0042] Figure 10 This is a schematic diagram of the cross-sectional three-dimensional structure of the gas delivery cylinder of the present invention;

[0043] Figure 11 This is a schematic diagram of the sectional three-dimensional structure of the placement rack of the present invention;

[0044] Figure 12 This is a schematic diagram of the three-dimensional structure of the movable inclined plate of the present invention;

[0045] Figure 13 It is a schematic diagram of the three-dimensional structure of the fixing block of the present invention.

[0046] In the figure: 1. Positioning table; 11. Sliding frame; 111. Arc welding head; 12. Beam table; 121. Support mechanism; 13. Moving table; 131. Placement frame; 2. Equidistant assembly; 21. Driving motor; 211. Driving screw; 212. Moving screw block; 213. Connecting box; 22. Guide rod; 221. Guide block; 23. Connecting column; 231. Guide bar; 3. Centering assembly; 31. Placement slot; 311. Iron plate; 32. Rotating rod; 321. Storage wheel; 322. Pull rope; 324. Magnetic plate; 33. Fixing Fixed plate; 331, first telescopic rod; 332, extrusion plate; 34, transmission mechanism; 35, bidirectional screw; 351, fixed screw block; 352, extrusion rod; 353, sealing plate; 36, air cylinder; 361, connecting pipe; 362, air storage cylinder; 363, pressure relief valve; 364, air guide hose; 4, lifting assembly; 41, fixed inclined plate; 42, lifting groove; 421, fixed block; 422, rolling wheel; 423, rotating wheel; 43, fixed groove; 431, second telescopic rod; 433, moving inclined plate; 434, driving inclined plate. DETAILED DESCRIPTION

[0047] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0048] In the embodiments of the present application, any device or element referred to or implied must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as limiting the embodiments of the present application. In the description of the embodiments of the present application, the meaning of "plurality" is two or more, unless otherwise specifically specified.

[0049] For specific embodiment 1, please refer to Figures 1 to 4 A positioning welding device for metal guardrail processing includes: a positioning platform 1 and an arc welding head 111 arranged on the top of the positioning platform 1,

[0050] The top of the positioning platform 1 is slidably connected to a plurality of movable platforms 13, and the tops of the plurality of movable platforms 13 are fixedly connected to a placement rack 131;

[0051] The equidistant component 2 is arranged on the top of the positioning platform 1 and is used to place the vertical poles to be welded equidistantly between the two beams. The equidistant component 2 includes a driving motor 21 fixedly connected to one side of the positioning platform 1, and the output end of the driving motor 21 is fixedly connected to a driving screw 211. The surface of the driving screw 211 is threadedly connected to a moving screw block 212, and the top of the moving screw block 212 is fixedly connected to a connecting box 213. The equidistant component 2 also includes a guide rod 22 fixedly connected to the inside of the positioning platform 1, and the surface of the guide rod 22 is slidably connected to a plurality of guide blocks 221. The tops of the plurality of guide blocks 221 are fixedly connected to the bottoms of the plurality of moving platforms 13. The moving screw block 212 is slidably connected to the surface of the guide rod 22, and the bottoms of the moving screw block 212 and the plurality of guide blocks 221 are fixedly connected to a connecting column 23. The connecting columns 23 are transmitted through a guide bar 231.

[0052] The centering assembly 3 is provided on the surface of the movable platform 13. The centering assembly 3 includes a rotating mechanism and a pushing mechanism provided inside the movable platform 13, and is used to center the vertical poles inside the placement rack 131 to prevent some vertical poles from not being in contact with the crossbeam and affecting the subsequent welding effect.

[0053] The lifting component 4 is arranged inside the placement rack 131 to prevent the vertical poles from being difficult to move inside the placement rack 131 when the centering component 3 aligns the vertical poles;

[0054] When it is necessary to place the curved vertical poles at equal intervals, several vertical poles are placed inside the placement rack 131, and the driving motor 21 is started. The driving motor 21 drives the movable screw block 212 to move through the driving screw rod 211, so that the movable screw block 212 drives the guide bar 231 to move through the connecting column 23. When the guide bar 231 moves, it drives the movable platform 13 to move through the guide block 221, so that the movable platform 13 drives the vertical poles to move through the placement rack 131. When the placement rack 131 moves, the placement rack 131 drives the vertical poles inside it to move at equal intervals, so that the spacing between the vertical poles is the same, thereby making the subsequent welding effect more beautiful.

[0055] For specific embodiment 2, please refer to Figures 1 to 10 According to the positioning welding equipment for metal guardrail processing provided in the first embodiment, this embodiment provides a further technical solution:

[0056] The rotating mechanism includes a placement groove 31 opened on one side of the plurality of mobile platforms 13 and a rotating rod 32 rotatably connected to the interior of the plurality of mobile platforms 13, the interior of the placement groove 31 is fixedly connected to an iron plate 311, the surface of the rotating rod 32 is fixedly connected to a storage wheel 321, the surface of the storage wheel 321 is provided with a pull rope 322, the end of the pull rope 322 away from the storage wheel 321 is fixedly connected to a magnetic plate 324, the magnetic plate 324 can enter the placement groove 31 and be adsorbed with the iron plate 311, both ends of the rotating rod 32 are fixedly connected to a fixed plate 33, the surface of the fixed plate 33 close to the mobile platform 13 is fixedly connected to a first telescopic rod 331, the surface of the first telescopic rod 331 away from the fixed plate 33 is fixedly connected to an extrusion disk 332, the pushing mechanism includes a bidirectional screw 35 rotatably connected to the interior of the plurality of mobile platforms 13 and two air cylinders 36 fixedly connected to the interior of the plurality of mobile platforms 13, the bidirectional screw 35 The transmission mechanism 34 is used to transmit the power to the rotating rod 32. The surface of the two-way screw 35 is threadedly connected to two fixed screw blocks 351. The two fixed screw blocks 351 are both slidably connected to the inside of the moving platform 13. The opposite surfaces of the two fixed screw blocks 351 are fixedly connected to the extrusion rod 352. The end of the extrusion rod 352 away from the fixed screw block 351 is fixedly connected to the sealing disk 353. The sealing disk 353 is slidably connected to the inside of the gas cylinder 36. The end of the gas cylinder 36 away from the extrusion rod 352 is fixedly connected to the connecting pipe 361. The end of the connecting pipe 361 away from the gas cylinder 36 is fixedly connected to the gas storage cylinder 362. The end of the gas storage cylinder 362 away from the connecting pipe 361 is fixedly connected to the gas guide hose 364. The end of the gas storage cylinder 362 close to the gas guide hose 364 is provided with a pressure relief valve 363. The end of the gas guide hose 364 away from the gas storage cylinder 362 is fixedly connected to one end of the first telescopic rod 331.

[0057] It should be noted that both ends of the rotating rod 32 are provided with torsion springs. When the moving platforms 13 move away from each other to the limit, the magnetic plate 324 and the iron plate 311 are separated from each other, thereby restoring the torsion spring to the initial state and driving the rotating rod 32 to reverse. To ensure that the magnetic plate 324 and the iron plate 311 can be separated at any time, the iron plate 311 can be replaced with an electromagnet, and the magnetic plate 324 can be replaced with an iron plate. When the moving platforms 13 move to the appropriate position, the electromagnet is powered off to separate the electromagnet and the iron plate. Therefore, no limitation is made here. A first spring is provided inside the first telescopic rod 331, and a one-way valve is provided at the connection between the connecting pipe 361 and the gas cylinder 362, so that gas can only be stored in the gas storage pipe 362, and the gas guide hose 364 can be stretched and extended.

[0058] When the two ends of the arc-shaped vertical pole need to be at the same horizontal height inside the placement frame 131, when the mobile platform 13 is moving, the mobile platform 13 drives the magnetic plate 324 to move through the iron plate 311, so that the magnetic plate 324 drives the storage wheel 321 to rotate through the pull rope 322. When the storage wheel 321 rotates, it drives the fixed plate 33 to rotate through the rotating rod 32 and drives the bidirectional screw 35 to rotate through the transmission mechanism 34, so that the fixed plate 33 drives the extrusion plate 332 to rotate to the two ends of the vertical pole through the first telescopic rod 331. At the same time, the bidirectional screw 35 drives the fixed screw block 351 to rotate. The dynamic extrusion rod 352 moves, causing the sealing disk 353 to transport the air inside the gas cylinder 36 to the inside of the gas storage cylinder 362 through the connecting pipe 361. When the air pressure inside the gas storage cylinder 362 gradually increases, the pressure relief valve 363 opens, allowing the gas to be transported to the inside of the first telescopic rod 331 through the gas guide hose 364, thereby driving the extrusion disk 332 to move toward the middle, causing the extrusion disk 332 to align the vertical pole inside the placement rack 131 in the center, preventing the two ends of the vertical pole from being at the same level, thereby preventing the curved vertical pole from being higher on one side and lower on the other side during subsequent welding;

[0059] For specific example three, please refer to Figures 1 to 13 According to the positioning welding equipment for metal guardrail processing provided in the second specific embodiment, this embodiment provides a further technical solution:

[0060] The lifting assembly 4 includes a fixed inclined plate 41 fixedly connected to the top of one of the fixed screw blocks 351 and a fixed slot 43 provided inside the placement frame 131, the fixed slot 43 is slidably connected to a driving inclined plate 434, and the bottom of the driving inclined plate 434 and the top of the fixed inclined plate 41 are squeezed and matched with each other. The lifting assembly 4 also includes a plurality of lifting slots 42 provided inside the placement frame 131, one side of the lifting slot 42 is communicated with the fixed slot 43, and the interiors of the plurality of lifting slots 42 are slidably connected to the fixed block 421, the top of the fixed block 421 is rotatably connected to a rolling wheel 422, and the bottom of the fixed block 421 is rotatably connected to a rotating wheel 423, the interior of the fixed slot 43 is fixedly connected to a second telescopic rod 431, one end of the second telescopic rod 431 is fixedly connected to a movable inclined plate 433, and a plurality of extrusion grooves are provided on the top of the movable inclined plate 433, and the rotating wheel 423 rolls inside the extrusion groove;

[0061] It should be noted that when the rolling wheel 422 lifts the arc-shaped upright pole, the top of the arc-shaped upright pole will not emerge from the interior of the placement rack 131. A second spring is provided inside the second telescopic rod 431, and a centering block is provided on the surface of the driving inclined plate 434. When the fixed inclined plate 41 is no longer in contact with the driving inclined plate 434, the driving inclined plate 434 can descend. During the descent of the driving inclined plate 434, the movable inclined plate 433 will not block the descent of the driving inclined plate 434.

[0062] When it is necessary to make the curved vertical rod move smoothly inside the placement rack 131, when the fixing screw block 351 is moving, the fixing screw block 351 drives the fixed inclined plate 41 to move, so that the fixed inclined plate 41 squeezes the driving inclined plate 434 and drives the driving inclined plate 434 to rise. In the process of rising, the driving inclined plate 434 squeezes the moving inclined plate 433, so that the moving inclined plate 433 drives the fixed block 421 and the rolling wheel 422 to rise through the rotating wheel 423, and retracts the second telescopic rod 431. The rolling wheel 422 slightly lifts the vertical rod in the process of rising, so that the bottom of the vertical rod no longer fully contacts the inside of the placement rack 131, so that the curved vertical rod can move smoothly inside the placement rack 131 when pushed in the later stage;

[0063] For specific example 4, please refer to Figures 1 to 2 According to the positioning welding equipment for metal guardrail processing provided in the third embodiment, this embodiment provides a further technical solution:

[0064] The sliding frame 11 is slidably connected to the top of the positioning platform 1, and the arc welding head 111 is fixedly connected to the inside of the sliding frame 11. The four corners of the top of the positioning platform 1 are each provided with a crossbeam platform 12, and the surface of the crossbeam platform 12 is provided with a support mechanism 121;

[0065] It should be noted that the supporting mechanism 121 is specifically a three-jaw chuck, which is a prior art and will not be described in detail here.

[0066] When welding a beam to several curved vertical poles, after the curved vertical poles are evenly spaced, the beam is placed inside the support mechanism 121, so that the support mechanism 121 supports the beam. Then, the arc welding head 111 is started to weld the places where the two ends of the curved vertical poles contact the beam. After welding one of the curved vertical poles, the sliding frame 11 is moved, so that the sliding frame 11 drives the arc welding head 111 to move to the top of the remaining curved vertical poles in sequence, thereby completing the welding work of the beam and the curved vertical poles.

[0067] Specific embodiment 5, the present invention also provides a positioning welding method for processing a metal guardrail, and the positioning welding method for processing a metal guardrail specifically includes the following steps:

[0068] Step 1: Place several upright poles of the metal guardrail inside the placement rack 131 so that the placement rack 131 supports the several upright poles;

[0069] Step 2: When it is necessary to place a number of vertical poles equidistantly between two beams, start the equidistant assembly 2 so that the equidistant assembly 2 drives the vertical poles to move through the placement frame 131 so that the vertical poles are equidistantly placed between the two beams;

[0070] Step 3: When the equidistant component 2 is in operation, the equidistant component 2 synchronously drives the centering component 3 so that the centering component 3 uniformly aligns the positions of the plurality of vertical poles inside the placement rack 131 to avoid errors in subsequent welding;

[0071] Step 4: When the centering component 3 is in operation, the centering component 3 drives the lifting component 4 in advance, so that the lifting component 4 lifts the vertical pole inside the placement rack 131, and then the centering component 3 pushes the vertical pole smoothly;

[0072] Step 5. After the equidistant component 2 arranges several vertical poles at equal intervals, place the two beams of the metal guardrail inside the support mechanism 121, fix the beams through the support mechanism 121, and then position-weld the contact surfaces of the vertical poles and the beams through the arc welding joint 111 to initially fix the beams and the vertical poles.

[0073] Working principle: When in use, several vertical poles are placed inside the placement rack 131, and the driving motor 21 is started. The driving motor 21 drives the moving screw block 212 to move through the driving screw rod 211, so that the moving screw block 212 drives the guide bar 231 to move through the connecting column 23. When the guide bar 231 moves, it drives the moving platform 13 to move through the guide block 221, so that the moving platform 13 drives the vertical poles to move through the placement rack 131. When the placement rack 131 is moving, the placement rack 131 drives the vertical poles inside it to move equidistantly, so that the spacing between each vertical pole is the same, thereby making the subsequent welding effect more beautiful. It is necessary to keep the two ends of the arc-shaped vertical pole at the same horizontal height inside the placement rack 131. When the mobile platform 13 is moving, the mobile platform 1 The iron plate 311 drives the magnetic plate 324 to move, causing the magnetic plate 324 to drive the storage wheel 321 to rotate through the pull rope 322. When the storage wheel 321 rotates, it drives the fixed plate 33 to rotate through the rotating rod 32 and drives the bidirectional screw 35 to rotate through the transmission mechanism 34, so that the fixed plate 33 drives the extrusion plate 332 to rotate to the two ends of the vertical pole through the first telescopic rod 331. At the same time, the bidirectional screw 35 drives the extrusion rod 352 to move through the fixed screw block 351, causing the sealing plate 353 to transport the air inside the gas cylinder 36 through the connecting pipe 361 to the inside of the gas storage cylinder 362. When the air pressure inside the gas storage cylinder 362 gradually increases, the pressure relief valve 363 opens, allowing the gas to be transported to the inside of the first telescopic rod 331 through the gas guide hose 364, thereby The extrusion plate 332 is driven to move toward the middle, so that the extrusion plate 332 aligns the vertical rod inside the placement frame 131 to avoid that the two ends of the vertical rod are not at the same horizontal height, thereby avoiding the situation that one side of the arc vertical rod is higher than the other side during subsequent welding. When the arc vertical rod needs to move smoothly inside the placement frame 131, when the fixing screw block 351 is moving, the fixing screw block 351 drives the fixed inclined plate 41 to move, so that the fixed inclined plate 41 squeezes the driving inclined plate 434 and drives the driving inclined plate 434 to rise. During the rising process of the driving inclined plate 434, the moving inclined plate 433 is squeezed, so that the moving inclined plate 433 drives the fixed block 421 and the rolling wheel 422 to rise through the rotating wheel 423, and the second telescopic rod 431 is retracted, and the rolling wheel 422 is During the rising process, the vertical pole is slightly lifted so that the bottom of the vertical pole is no longer in full contact with the inside of the placement frame 131, so that the arc vertical pole can move smoothly inside the placement frame 131 when pushed in the later stage. When the beam needs to be welded to several arc vertical poles, when the arc vertical poles are arranged equidistantly, the beam is placed inside the support mechanism 121, so that the support mechanism 121 supports the beam, and then the arc welding head 111 is started to weld the places where the two ends of the arc vertical pole are in contact with the beam. After the welding of one of the arc vertical poles is completed, the sliding frame 11 is moved so that the sliding frame 11 drives the arc welding head 111 to move to the top of the remaining arc vertical poles in turn, thereby completing the welding work of the beam and the arc vertical pole.

[0074] The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0075] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0076] Parallel: The parallel defined in this application is not limited to absolute parallelism. This definition of parallelism can be understood as basic parallelism, allowing for situations where the two sides are not absolutely parallel due to factors such as assembly tolerance, design tolerance, and the influence of structural flatness. Small angle errors are allowed. For example, within an assembly error range of 10 degrees, it can be understood as a parallel relationship.

[0077] Vertical: The vertical defined in this application is not limited to an absolute vertical intersection relationship (angle of 90 degrees). It allows for non-absolute vertical intersection relationships caused by factors such as assembly tolerance, design tolerance, and structural flatness. It allows for errors in a small angle range. For example, the assembly error range of 80 to 100 degrees can be understood as a vertical relationship.

[0078] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A positioning welding device for metal guardrail processing, comprising: A positioning platform (1) and an arc welding head (111) arranged on the top of the positioning platform (1) are characterized by: A sliding frame (11) is slidably connected to the top of the positioning platform (1), the arc welding head (111) is fixedly connected to the inside of the sliding frame (11), a beam platform (12) is provided at each of the four corners of the top of the positioning platform (1), a support mechanism (121) is provided on the surface of the beam platform (12), the top of the positioning platform (1) is slidably connected to a plurality of moving platforms (13), and the tops of the plurality of moving platforms (13) are fixedly connected to a placement frame (131); An equidistant assembly (2) is arranged on top of the positioning platform (1) and is used to place the vertical poles to be welded at equal distances between the two crossbeams; A centering component (3) is arranged on the surface of the movable platform (13), and the centering component (3) includes a rotating mechanism arranged inside the movable platform (13) and a pushing mechanism arranged inside the movable platform (13), and is used to center and align the vertical poles inside the placement rack (131) to prevent several vertical poles from not being in contact with the crossbeam and affecting the subsequent welding effect; The lifting assembly (4) is arranged inside the placement rack (131) and is used to prevent the vertical poles from moving difficultly inside the placement rack (131) when the centering assembly (3) aligns the vertical poles.

2. The positioning welding equipment for metal guardrail processing according to claim 1 is characterized in that: The equidistant assembly (2) comprises a driving motor (21) fixedly connected to one side of the positioning platform (1); the output end of the driving motor (21) is fixedly connected to a driving screw (211); the surface of the driving screw (211) is threadedly connected to a moving screw block (212); and the top of the moving screw block (212) is fixedly connected to a connection box (213).

3. The positioning welding equipment for metal guardrail processing according to claim 2 is characterized in that: The equidistant assembly (2) further comprises a guide rod (22) fixedly connected to the interior of the positioning platform (1); a plurality of guide blocks (221) are slidably connected to the surface of the guide rod (22); the tops of the plurality of guide blocks (221) are fixedly connected to the bottoms of the plurality of moving platforms (13); the moving screw block (212) is slidably connected to the surface of the guide rod (22); the bottoms of the moving screw block (212) and the plurality of guide blocks (221) are fixedly connected to connecting columns (23); and the connecting columns (23) are transmitted via guide bars (231).

4. The positioning welding equipment for metal guardrail processing according to claim 1 is characterized in that: The rotating mechanism comprises a placement slot (31) provided on one side of the plurality of mobile platforms (13) and a rotating rod (32) rotatably connected to the interior of the plurality of mobile platforms (13); an iron plate (311) is fixedly connected to the interior of the placement slot (31); a storage wheel (321) is fixedly connected to the surface of the rotating rod (32); a pull rope (322) is provided on the surface of the storage wheel (321); an end of the pull rope (322) away from the storage wheel (321) is fixedly connected to a magnetic plate (324); and the magnetic plate (324) can enter the placement slot (31) and be adsorbed by the iron plate (311).

5. The positioning welding equipment for metal guardrail processing according to claim 4 is characterized in that: Both ends of the rotating rod (32) are fixedly connected to a fixed plate (33); a surface of the fixed plate (33) close to the movable platform (13) is fixedly connected to a first telescopic rod (331); a surface of the first telescopic rod (331) away from the fixed plate (33) is fixedly connected to a pressing plate (332).

6. The positioning welding equipment for metal guardrail processing according to claim 5, characterized in that: The pushing mechanism comprises a bidirectional screw (35) rotatably connected to the interior of the plurality of mobile platforms (13) and two air delivery cylinders (36) fixedly connected to the interior of the plurality of mobile platforms (13). The bidirectional screw (35) and the rotating rod (32) are transmitted via a transmission mechanism (34). Two fixed screw blocks (351) are threadedly connected to the surface of the bidirectional screw (35). Both of the two fixed screw blocks (351) are slidably connected to the interior of the mobile platform (13). The opposite surfaces of the two fixed screw blocks (351) are fixedly connected to an extrusion rod (352). One end of the extrusion rod (352) away from the fixed screw block (351) is fixedly connected to a sealing disk (353). The sealing disk (353) is slidably connected to the interior of the air delivery cylinder (36).

7. The positioning welding equipment for metal guardrail processing according to claim 6, characterized in that: One end of the gas delivery cylinder (36) away from the extrusion rod (352) is fixedly connected to a connecting pipe (361), and one end of the connecting pipe (361) away from the gas delivery cylinder (36) is fixedly connected to an air storage cylinder (362). One end of the air storage cylinder (362) away from the connecting pipe (361) is fixedly connected to an air guide hose (364). One end of the gas storage cylinder (362) close to the air guide hose (364) is provided with a pressure relief valve (363), and one end of the air guide hose (364) away from the gas storage cylinder (362) is fixedly connected to one end of the first telescopic rod (331).

8. The positioning welding equipment for metal guardrail processing according to claim 6, characterized in that: The lifting assembly (4) includes a fixed inclined plate (41) fixedly connected to the top of one of the fixed screw blocks (351) and a fixed groove (43) opened inside the placement frame (131), and a driving inclined plate (434) is slidably connected inside the fixed groove (43), and the bottom of the driving inclined plate (434) and the top of the fixed inclined plate (41) are squeezed and matched with each other.

9. The positioning welding equipment for metal guardrail processing according to claim 8, characterized in that: The lifting assembly (4) further comprises a plurality of lifting grooves (42) provided inside the placement frame (131), one side of the lifting grooves (42) being communicated with the fixed groove (43), the interiors of the plurality of lifting grooves (42) being slidably connected to the fixed block (421), the top of the fixed block (421) being rotatably connected to a rolling wheel (422), the bottom of the fixed block (421) being rotatably connected to a rotating wheel (423), the interior of the fixed groove (43) being fixedly connected to a second telescopic rod (431), one end of the second telescopic rod (431) being fixedly connected to a movable inclined plate (433), the top of the movable inclined plate (433) being provided with a plurality of extrusion grooves, and the rotating wheel (423) rolling inside the extrusion grooves.

10. A positioning welding method for metal guardrail processing, characterized in that: Using the positioning welding equipment for processing a metal guardrail according to any one of claims 1 to 9, the positioning welding method for processing a metal guardrail specifically comprises the following steps: Step 1: Place a plurality of vertical poles of the metal guardrail inside the placement rack (131), so that the placement rack (131) supports the plurality of vertical poles; Step 2: When it is necessary to arrange a plurality of vertical poles equidistantly between two horizontal beams, start the equidistant component (2), so that the equidistant component (2) drives the vertical poles to move through the placement frame (131), so that the vertical poles are equidistantly arranged between the two horizontal beams; Step 3: When the equidistant component (2) is in operation, the equidistant component (2) synchronously drives the centering component (3), so that the centering component (3) uniformly aligns the positions of the plurality of vertical poles inside the placement frame (131), thereby avoiding errors in subsequent welding; Step 4: When the centering component (3) is in operation, the centering component (3) drives the lifting component (4) in advance, so that the lifting component (4) lifts the vertical pole inside the placement rack (131), and then the centering component (3) pushes the vertical pole smoothly; Step 5: After the equidistant assembly (2) has arranged several vertical poles at equal intervals, the two crossbeams of the metal guardrail are placed inside the support mechanism (121), and the crossbeams are fixed by the support mechanism (121). Then, the contact surfaces of the vertical poles and the crossbeams are position-welded by the arc welding joint (111) to initially fix the crossbeams and the vertical poles.

Images