CN108942022B - Guardrail welding method based on guardrail welding equipment - Google Patents
Guardrail welding method based on guardrail welding equipment Download PDFInfo
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- CN108942022B CN108942022B CN201811008548.5A CN201811008548A CN108942022B CN 108942022 B CN108942022 B CN 108942022B CN 201811008548 A CN201811008548 A CN 201811008548A CN 108942022 B CN108942022 B CN 108942022B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0252—Steering means
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
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Abstract
The invention relates to a guardrail welding method based on guardrail welding equipment. When the guard rails with the same shape but different specifications and sizes are welded manually, the required labor intensity of workers is high, the efficiency is low, the welding effect is not regular, and the overall welding appearance is not attractive. The method can realize welding of the protective guard by replacing different tools aiming at the protective guards with different specifications and sizes, the protective guard is welded in a gas shielded welding mode because the protective guard is made of carbon steel generally, and on the other hand, the three-degree-of-freedom planar robot is used for automatically feeding welding wires to enter a specified welding position, welding guns arranged in parallel are used for welding the protective guard and base metal, welding tracks of the welding guns of the three-degree-of-freedom planar robot are controlled through a programming program, the welding effect is consistent, and the efficiency is improved.
Description
Technical Field
The invention belongs to the field of guardrail manufacturing, and mainly relates to a guardrail welding method based on guardrail welding equipment.
Background
Guard railings are seen everywhere in life, and the guard railings are mainly used for protecting and protecting equipment and facilities in factories, workshops, warehouses, parking lots, commercial areas, public places and other occasions. The guard rail is made of carbon steel mostly, the welding quality requirement in the welding process of the guard rail is very high, and all components needing to be welded on the guard rail made of the carbon steel are smooth and do not hurt people. Therefore, in the welding process of the guard rail, all welded components need to be checked to see whether the components are straight or not before blanking, and if the components are not straight, the components need to be corrected first and then blanking is carried out; during blanking, the accuracy is ensured, and the allowable deviation is only 1 mm; when welding, a welding method and an alloy suitable for the iron art product are selected, and the used articles are required to be qualified regular products. When the components are welded, deviation cannot exist, and the components must be placed at the accurate positions, so that accidents are avoided in the welding process as far as possible. When welding each component, the welding points are firm, the welding seams are full, the welding waves are uniform, the existing defective products cannot be produced, for example, the defects of undercut, incomplete welding, cracks, dregs, welding beading, welding burn-through, electric arc scratch, craters, needle-shaped air holes and the like cannot be produced, and the situation that sparks splash around the welding area cannot be produced. After welding, the welding slag should be timely cleaned, and the smoothness of the surface of the iron art guardrail is ensured.
The same shape is artificially welded to highway rail guards of different specifications and sizes, so that the labor intensity of workers is high, the efficiency is low, the welding effect is not regular, the welding seam height is inconsistent, and the overall welding appearance is not attractive. When the automatic equipment is used for welding the guard rails, welding can be achieved by replacing different tools aiming at the guard rails with different specifications and sizes, and the welding efficiency is high.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the existing defects and provide a protective guard welding equipment scheme, and the equipment uses automatic equipment for welding.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the integral structure of the protective guard welding equipment is mainly divided into three parts: a slide rail mechanism, a wire feeding mechanism and a welding mechanism.
Preferably, the slide rail mechanism is horizontally divided into two slide rail mechanisms which are respectively and symmetrically arranged at two sides of the welding mechanism, one side of the slide rail mechanism adopts three bases, the bases adopt square tubes 400x200, fixing plates are welded at the upper part and the side surface of the connection between the three bases, 2 rows and 3 rows of M16 threaded holes which are totally 6 are processed on the fixing plates at two side surfaces, the side connecting plates are welded at the side surfaces of the bases, outer hexagon bolts are used for installing the side connecting plates on the 2 fixing plates, the fixing plates are also welded at the upper part of the bases, the upper connecting plates are also installed on the 2 fixing plates by using outer hexagon bolts, thus the bases which are separated into three sections are fixed into a whole, 2 rows and 9 rows of support legs are evenly distributed below the bases, two slide rail seats are symmetrically arranged and welded above the bases, the linear slide rail is installed on the slide rail seats through inner hexagon, the connecting plates and the support blocks are arranged on the symmetrically arranged sliding blocks, so that the mobile station is arranged on the support blocks on two sides, and the mobile station can move along with the movement of the sliding blocks. The rack seat is welded above the side face of one side of the base, the rack is installed on the rack seat through the hexagon socket head cap screw, the installation flange face of the speed reducer is installed on the mobile station, the servo motor is installed at the upper end of the speed reducer, the shaft end of the speed reducer is provided with the rotating shaft through the flat key, the connecting disc is installed at the position below the mobile station, and two deep groove ball bearings are installed in a certain position, the bearing holes of the deep groove ball bearings are matched with the outer diameter of the rotating shaft, and the gear is installed at the shaft end of the rotating shaft through the flat key. Similarly, a set of slide rail mechanisms is arranged on the other side of the welding mechanism, the servo motor is started, the rotating shaft rotates through the connection of the speed reducer, so that the gear rotates along with the rotation, the gear is in meshing transmission with the rack arranged on one side of the base, the mobile platform moves for a certain stroke along with the gear, and the moving distance of the mobile platform is controlled through the number of rotating circles of the servo motor.
More preferably, the square tube and the steel wire of the guard rail are made of carbon steel, so that a gas shielded welding manner is adopted during welding. The finished wire feeder is arranged on an arm of the three-degree-of-freedom planar robot, the reel is arranged at one end above the arm, the wire feeding hose connected with one end of the reel is used for loosening wires in a wire pushing and pulling mode, the wire feeding mechanism is suitable for occasions with a large working range, a wire outlet is arranged at the end part of the wire feeding hose, and welding guns are arranged in parallel.
Preferably, the welding mechanism, the footing of support is fixed subaerial through rag bolt, at the left side installation motor mount pad of support, passes through hexagon socket head cap screw with servo motor's flange face and installs on the terminal surface of motor mount pad, servo motor's axle head is installed in the hole of carousel through the parallel key, and the carousel passes through the bolt fastening with the runing rest, and the rotatory right support of the other end installation of runing rest, rotatory right support use axle and bearing frame to constitute, and the axle is installed in the one end of runing rest promptly, and the other end of axle is installed in the bearing frame, arranges the frock in the top of runing rest, welding rectangle locating piece is arranged to the top of runing rest, and the rectangle locating piece is through welding two horizontal locating pieces and two vertical locating pieces in side: the steel plate is surrounded into a rectangular shape for welding, a plurality of V-shaped blocks are distributed on the steel plate at equal intervals, steel wires are placed in the V-shaped blocks, L-shaped baffles are arranged on the outer ring of the rectangular positioning block at equal intervals, and the formed rectangular L-shaped baffle is used for placing a square pipe on the rectangular L-shaped baffle. The manual work is the level with square pipe and places two, and two are vertically placed, place on several L type baffle that level and vertical arranged to place both ends side pipe on hypotenuse L type side pipe, be the level with the steel wire and vertical direction cross arrangement on several V type piece.
More preferably, the frock arranges the installation base in the face-to-face of the L type baffle that the rectangle was arranged, installs the cylinder mount pad on the base, be the slim cylinder of horizontal state installation on the cylinder mount pad, the tip of first slim cylinder passes through the first briquetting of the internal thread hole installation of tip, and the another side is the slim cylinder of vertical state installation second, the tip erection joint piece of the slim cylinder of second, the second briquetting is installed to the below of connecting block, and the edge erection joint board of placing hypotenuse side pipe is at the edge erection joint board of placing hypotenuse side pipe, installs the biax cylinder in the top of backup pad, and the tip installation pressure seat of biax cylinder, the hypotenuse L type baffle is installed to the below of backup pad, and the another side corresponds installs first cylinder, and the axle head erection joint piece of first cylinder installs the third briquetting in the below of connecting block, and first cylinder right.
The guard rail welding equipment adopts a PLC system control mode and a manual operation panel.
A guardrail welding method based on guardrail welding equipment comprises the following steps:
firstly, manually placing two square tubes 62 horizontally and vertically on a plurality of L-shaped baffles 71 which are horizontally and vertically arranged, placing the square tubes 62 at two ends on an L-shaped bevel edge square tube 72, and then arranging steel wires 63 on a plurality of V-shaped blocks 69 in a crossed manner in the horizontal and vertical directions to build a shape of a guard rail;
secondly, ventilating 8 second thin air cylinders 50 at four corners of the built guard rail and 4 second thin air cylinders 50 arranged up and down, wherein in an initial state, a piston rod of each second thin air cylinder 50 is in an extending state, when the piston rod of each second thin air cylinder 50 moves downwards, a first connecting block 49 arranged at the end part of the piston rod moves downwards, therefore, a second pressing block 48 arranged below the first connecting block 49 moves downwards, 12 second pressing blocks 48 are pressed downwards above a square pipe 62 at the same time, and radial positioning of the built guard rail is realized, at the moment, 12 first thin air cylinders 51 are simultaneously ventilated, a first pressing block 73 arranged at the end part of the piston rod simultaneously positions the horizontal direction of the built guard rail, a piston rod of a first air cylinder 60 arranged at the upper end of a supporting plate 58 moves downwards, and radial positioning of the square pipe is realized through a third pressing block 55, a second cylinder 61 is ventilated, a piston rod of the second cylinder moves forwards to position the square pipe in the horizontal direction, a double-shaft cylinder 57 is ventilated, double shafts move downwards, and a pressing seat 56 positions the square pipe;
and thirdly, starting the sliding rail mechanisms 1 arranged at two sides of the welding mechanism 3, wherein a second servo motor 21 in the sliding rail mechanism 1 at one side is started, and a rotating shaft 16 rotates through the connection of a speed reducer 20, so that the gear 15 rotates along with the rotation, the gear 15 is in meshing transmission with a rack 6 arranged at one side of the base 10, so that the mobile station 14 also moves along with the rotation for a certain stroke, and the moving distance of the mobile station 14 is controlled through the rotating number of turns of the second servo motor 21. When the wire feeding mechanism 2 moves to a side pipe of the built guard rail, the second servo motor 21 stops, and the wire feeding mechanism 2 arranged on the mobile station 14 moves to a specified position;
fourthly, programming and controlling the track of the three-degree-of-freedom planar robot, electrifying the wire feeder, feeding the welding wire 25 to a specified position through the wire feeding hose 29, starting from the joint of the square pipe 62 and the square pipe 62, moving the three-degree-of-freedom planar robot to the specified position, electrifying the welding gun 66 to weld the butt joint between the square pipes, simultaneously operating the slide rail mechanism 1 on the other side, simultaneously welding the built guard rail by the two three-degree-of-freedom planar robots from left to right, and welding the steel wires 63, wherein because the stroke of one three-degree-of-freedom planar robot is insufficient, simultaneously arranging the two three-degree-of-freedom planar robots on two sides of the welding mechanism 3 to simultaneously carry out wire feeding and welding by the welding gun;
and fifthly, starting the first servo motor 42, rotating the rotating bracket 67 by 180 degrees, starting the second servo motor 21 again, and welding the protective guard between the left and right opposite pipes and between the steel wires by the mobile station 14. After welding is completed, each mechanism resets, each cylinder resets, and the welded guard rail is taken out manually.
The invention has the beneficial effects that: according to the scheme, automatic equipment is used for welding, firstly, different tools can be replaced for guard rails with different specifications and sizes to realize guard rail welding, carbon steel is used as a guard rail material, gas shielded welding is used as a welding mode, on the other hand, a three-degree-of-freedom planar robot is used for automatically feeding welding wires to enter a specified welding position, welding guns arranged in parallel are used for welding the guard rails and base metal, welding tracks of the welding guns of the three-degree-of-freedom planar robot are controlled through a programming program, the welding effect is consistent, and the efficiency is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the overall structure of a welding device for a guard rail
FIG. 2 is a schematic structural view of the slide rail mechanism 1
FIG. 3 is a schematic view of the wire feeding mechanism 2
FIG. 4 is a schematic structural view of the welding mechanism 3
FIG. 5 is a schematic view of the structure of the tool 38
FIG. 6 is a schematic view of the guard rail 41
In the drawings:
1. slide rail mechanism 25, welding wire 48, second briquetting
2. Wire feeder 26, support 49, first connecting block
3. Welding mechanism 27, first servo motor 50 and second thin cylinder
5. Support leg 28, reel 51, first thin cylinder
6. Rack 29, discharge pipe 52 and cylinder mounting seat
7. Slide rail seat 30, second servo motor 53 and second base
8. Connecting plate 31, middle turntable 54 and bevel edge positioning block
9. Support block 32, base turntable 55 and third press block
10. First base 33, forearm 56, pressure seat
11. Linear slide rail 34, three servo motors 57 and double-shaft cylinder
12. Slide block 35, slide base 58, support
13. Rack seat 36, Z-direction rack 59 and second connecting block
14. Moving table 37, discharge nozzle 60, first cylinder
15. Gear 38, tool 61 and second cylinder
16. Rotating shaft 39, cylinder fixing mechanism 62 and square tube
17. Spacer 40, horizontal positioning block 63 and steel wire
18. Deep groove ball bearing 41, protective guard 64 and bevel edge square tube
19. Connection disc 42, first servo motor 67, runing rest
20. Speed reducer 43, motor mounting seat 68 and turntable
21. Second servomotor 44, weld 69, V-shaped block
22. Lateral connecting plate 45, bracket 70 and steel plate
23. Upper connecting plate 46, vertical positioning block 71 and L-shaped baffle
24. Fixed plate 47, rotating right support 72 and bevel edge L-shaped baffle
73. First pressing block
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention.
As shown in fig. 1, the overall structure of the welding equipment for the guard rail is schematically illustrated, and the structure of the welding equipment is mainly divided into three parts: the device comprises a slide rail mechanism 1, a wire feeding mechanism 2 and a welding mechanism 3.
As shown in fig. 2, the slide rail mechanism 1 is horizontally divided into two slide rail mechanisms 1, which are respectively and symmetrically arranged on two sides of the welding mechanisms 3, 4, one side of each slide rail mechanism adopts three bases 10, the bases 10 adopt square tubes 400x200, fixing plates 24 are welded on the upper part and the side surface of the connection between the three bases 10, 2 rows and 3 rows of M16 threaded holes with 6 threads are processed on the fixing plates 24 on the two side surface directions, and are welded on the side surface of the base 10, lateral connecting plates 22 are installed on the 2 fixing plates 24 by using outer hexagonal bolts, the fixing plates 24 are also welded on the upper part of the base 10, upper connecting plates 23 are installed on the 2 fixing plates 24 by using outer hexagonal bolts, so that the bases 10 with three separated sections are fixed into a whole, 2 rows and 9 rows of support legs 5 are evenly distributed below the bases 10, two slide rail seats 7 are symmetrically arranged and welded on the upper part of the base 10, the linear slide rail 11, the slide block 12 is installed in cooperation with the linear slide rail 11, and the connecting plate 8 and the support blocks 9 are installed on the slide blocks 12 which are symmetrically arranged, so that the mobile station 14 is installed on the support blocks 9 on two sides, and the mobile station 14 can move along with the movement of the slide block 12. Welding rack seat 13 in one side top of base 10, installing rack 6 on rack seat 13 through hexagon socket head cap screw, installing speed reducer 20's mounting flange face on mobile station 14, second servo motor 21 is installed to speed reducer 20's upper end, and flat key installation pivot 16 is passed through to speed reducer 20's axle head, and connection pad 19 is installed in the below position of mobile station 14 to two deep groove ball bearing 18 of installation in a certain position, deep groove ball bearing 18's dead eye and pivot 16's external diameter cooperation, gear 15 is installed through the flat key to the axle head of pivot 16.
As shown in fig. 4, a set of slide rail mechanisms 1 is also arranged on the other side of the welding mechanism 3, a second servo motor 21 is started, and through the connection of a speed reducer 20, a rotating shaft 16 rotates, so that a gear 15 rotates along with the rotating shaft, the gear 15 is in meshing transmission with a rack 6 arranged on one side of a base 10, so that a mobile station 14 also moves along with the rotating shaft by a certain stroke, and the moving distance of the mobile station 14 is controlled through the number of turns of the second servo motor 21.
As shown in fig. 6, the square tube and the steel wire of the guard rail 41 are made of carbon steel, and thus a gas shielded welding method is used for welding. As shown in fig. 3, in the wire feeder 2, the finished wire feeder is mounted on the arm of the three-degree-of-freedom planar robot, the reel 28 is disposed at one end above the arm, and the wire feeding hose 29 connected to one end of the reel is used for loosening the wire in a wire pushing and pulling manner, and is applicable to an occasion with a large working range, the wire outlet nozzle 37 is mounted at the end of the wire feeding hose 29, and the welding gun 66 is mounted in parallel.
As shown in fig. 4, in the welding mechanism 3, the bottom foot of the bracket 45 is fixed on the ground through an anchor bolt, the motor mounting base 43 is installed on the left side of the bracket 45, the flange surface of the first servo motor 42 is installed on the end surface of the motor mounting base 43 through an inner hexagon bolt, the shaft end of the servo motor 42 is installed in the inner hole of the rotary table 68 through a flat key, the rotary table 68 and the rotary bracket 67 are fixed through bolts, the other end of the rotary bracket 67 is installed with the rotary right support 47, the rotary right support 47 is composed of a shaft and a bearing seat, i.e., the shaft is installed at one end of the rotary bracket 67, the other end of the shaft is installed in the bearing seat, the tool 38 is arranged above the rotary bracket 67, a welding rectangular positioning block is arranged above the rotary bracket 67, and the rectangular positioning block is manufactured by welding two horizontal positioning blocks: a steel plate 70 is welded in a surrounding rectangular shape, a plurality of V-shaped blocks 69 are distributed on the steel plate 70 at equal intervals, steel wires 63 are placed in the V-shaped blocks 69, L-shaped baffles 71 are arranged on the outer ring of each rectangular positioning block at equal intervals, and the formed rectangular L-shaped baffles 71 are used for placing the square pipes 62 on the rectangular positioning blocks. The square pipe 62 is horizontally placed two by the manual work, vertically placed two, and placed on the several L type baffle 71 that level and vertical were arranged to place both ends side pipe 62 on hypotenuse L type side pipe 72, be horizontal and vertical direction cross arrangement with steel wire 63 on several V type piece 69.
As shown in fig. 5, the tool 38 arranges the mounting base 53 on the right opposite side of the L-shaped baffle 71 arranged in a rectangular shape, a cylinder mounting seat 52 is mounted on a base 53, a thin cylinder 51 is mounted on the cylinder mounting seat 52 in a horizontal state, the end of the thin cylinder 51 is provided with a first press block 73 through an internal thread hole at the end, the other side is provided with the thin cylinder 50 in a vertical state, the end of the thin cylinder 50 is provided with a connecting block 49, a second pressing block 48 is arranged below the first connecting block 49, a support 58 is arranged on the edge on which the bevel square tube is arranged, a double-shaft air cylinder 57 is arranged above the support 58, a pressing seat 56 is arranged at the end part of the double-shaft air cylinder 57, a bevel L-shaped baffle plate 72 is arranged below the support 58, the other side of the support corresponds to an air cylinder 60, a second connecting block 59 is arranged at the shaft end of the air cylinder 60, the third pressure block 55 is mounted below the second connecting block 59, and a second air cylinder 61 is provided below the right side of the first air cylinder 60.
The protective guard welding equipment adopts a PLC system control mode and a manual operation panel. The specific working flow of the equipment is as follows:
firstly, manually placing two square pipes 62 horizontally and vertically on a plurality of L-shaped baffles 71 which are horizontally and vertically arranged, placing the square pipes 62 at two ends on an L-shaped bevel edge square pipe 72, and then arranging steel wires 63 on a plurality of V-shaped blocks 69 in a crossed manner in the horizontal and vertical directions to build a shape of a guard rail.
Secondly, ventilating 8 thin air cylinders 50 at four corners of the built guard rail and 4 thin air cylinders 50 arranged up and down, wherein in an initial state, a piston rod of each thin air cylinder 50 is in an extending state, when the thin air cylinders 50 move downwards, a first connecting block 49 arranged at the end parts of the piston rods downwards, a second pressing block 48 arranged below the first connecting block 49 moves downwards along with the piston rod, 12 second pressing blocks 48 are pressed downwards above a square pipe 62 at the same time, so that the built guard rail is positioned radially, at the moment, 12 air cylinders 51 are arranged and ventilated at the same time, a first pressing block 73 arranged at the end parts of the piston rods simultaneously positions the built guard rail in the horizontal direction, the piston rods of the air cylinders 60 arranged on a support 58 move downwards, the square pipe is positioned radially through a third pressing block 55, the air cylinders 61 are ventilated, the piston rod moves forward to position the square pipe in the horizontal direction, and the biaxial cylinder 57 is energized to move the biaxial downward, and the press base 56 positions the square pipe.
And thirdly, starting the sliding rail mechanisms 1 arranged at two sides of the welding mechanism 3, wherein a second servo motor 21 in the sliding rail mechanism 1 at one side is started, and a rotating shaft 16 rotates through the connection of a speed reducer 20, so that the gear 15 rotates along with the rotation, the gear 15 is in meshing transmission with a rack 6 arranged at one side of the base 10, so that the mobile station 14 also moves along with the rotation for a certain stroke, and the moving distance of the mobile station 14 is controlled through the rotating number of turns of the second servo motor 21. When the wire feeder 2 moves to a side pipe of the guard rail, the second servo motor 21 is stopped, and the wire feeder 2 mounted on the moving stage 14 moves to a predetermined position.
And fourthly, programming and controlling the track of the three-degree-of-freedom planar robot, electrifying the wire feeder, feeding the welding wire 25 to a specified position through the wire feeding hose 29, starting from the joint of the square pipe 62 and the square pipe 62, moving the three-degree-of-freedom planar robot to the specified position, electrifying the welding gun 66 to weld the butt joint between the square pipes, simultaneously moving the slide rail mechanism 1 on the other side, simultaneously welding the built guard rail by the two three-degree-of-freedom planar robots from left to right, and welding the steel wires 63, wherein due to the fact that the stroke of one three-degree-of-freedom robot is insufficient, the two three-degree-of-freedom robots are simultaneously arranged on two sides of the welding mechanism 3 to simultaneously carry out wire feeding and welding by the welding gun 66, and when.
And fifthly, starting the first servo motor 42, rotating the rotating bracket 67 by 180 degrees, starting the second servo motor 21 again, and welding the square pipes and the steel wires of the guard rail by the mobile station 14 from right to left. After welding is completed, each mechanism resets, each cylinder resets, and the welded guard rail is taken out manually.
Although the illustrative embodiments of the present invention have been described above to enable those skilled in the art to understand the present invention, the present invention is not limited to the scope of the embodiments, and it is apparent to those skilled in the art that all the inventive concepts using the present invention are protected as long as they can be changed within the spirit and scope of the present invention as defined and defined by the appended claims.
Claims (1)
1. A guardrail welding method based on guardrail welding equipment mainly comprises the following three parts: the welding mechanism comprises a sliding rail mechanism (1), a wire feeding mechanism (2) and a welding mechanism (3), wherein a bottom foot of a support (45) of the welding mechanism (3) is fixed on the ground through a foundation bolt, a motor mounting seat (43) is installed on the left side of the support (45), a flange face of a first servo motor (42) is installed on the end face of the motor mounting seat (43) through an inner hexagonal bolt, a shaft end of the first servo motor (42) is installed in an inner hole of a rotary table (68) through a flat key, the rotary table (68) and a rotary support (67) are fixed through bolts, a rotary right support (47) is installed at the other end of the rotary support (67), the rotary right support (47) is composed of a shaft and a bearing seat, a tool (38) is arranged above the rotary support (67), a welding rectangular positioning block is arranged above the rotary support (67), and the rectangular positioning block is formed by welding two horizontal positioning blocks (40) and two vertical, the steel plate (70) is surrounded into a rectangular shape, a plurality of V-shaped blocks (69) are equidistantly distributed on the steel plate (70), steel wires (63) are placed in the V-shaped blocks (69), L-shaped baffles (71) are equidistantly arranged on the outer ring of a rectangular positioning block, and the formed rectangular L-shaped baffles (71) are used for placing the square pipes (62) on the rectangular positioning block; the sliding rail mechanism (1) is horizontally divided into two sliding rail mechanisms (1) which are respectively symmetrically arranged on two sides of the welding mechanism (3), three first bases (10) are adopted in the sliding rail mechanism (1) on one side, two sliding rail bases (7) are symmetrically welded above the first bases (10), the linear sliding rail (11) is installed on the sliding rail bases (7) through inner hexagonal bolts, a sliding block (12) is installed in a manner of being matched with the linear sliding rail (11), and a connecting plate (8) and a support block (9) are installed on the symmetrically arranged sliding block (12), so that the moving table (14) is installed on the support blocks (9) on two sides, and the moving table (14) moves along with the movement of the sliding block (12); a rack seat (13) is welded above the side face of one side of a first base (10), a rack (6) is installed on the rack seat (13) through a hexagon socket head cap screw, an installation flange face of a speed reducer (20) is installed on a mobile platform (14), a second servo motor (21) is installed at the upper end of the speed reducer (20), a rotating shaft (16) is installed at the shaft end of the speed reducer (20) through a flat key, a connecting disc (19) is installed at the lower position of the mobile platform (14), two deep groove ball bearings (18) are installed in a certain position, bearing holes of the deep groove ball bearings (18) are matched with the outer diameter of the rotating shaft (16), and a gear (15) is installed at the shaft end of the rotating shaft (16) through a flat key; the second servo motor (21) is started, the rotating shaft (16) rotates through the connection of the speed reducer (20), the gear (15) rotates along with the rotation, the gear (15) is in meshing transmission with the rack (6) arranged on one side of the first base (10), the mobile platform (14) also moves for a certain stroke along with the rotation, and the moving distance of the mobile platform (14) is controlled through the number of rotating circles of the second servo motor (21); the wire feeder is arranged on an arm of the three-degree-of-freedom planar robot, a reel (28) is arranged at one end above the arm, one end of the reel (28) is connected with a wire feeding hose (29), wire feeding is carried out in a wire push-pull type mode, a wire outlet nozzle (37) is arranged at the end part of the wire feeding hose (29), and a welding gun (66) is arranged in parallel with the wire outlet nozzle (37); a second base (53) is arranged and installed opposite to an L-shaped baffle (71) which is arranged in a rectangular mode, a cylinder installation seat (52) is installed on the second base (53), one side of the cylinder installation seat (52) is provided with a first thin cylinder (51) in a horizontal state, the end portion of the first thin cylinder (51) is provided with a first pressing block (73) through an internal thread hole of the end portion, the other side of the cylinder installation seat is provided with a second thin cylinder (50) in a vertical state, a first connecting block (49) is installed at the end portion of the second thin cylinder (50), a second pressing block (48) is installed below the first connecting block (49), a support plate (58) is installed on the side where a bevel edge is placed, a double-shaft cylinder (57) is installed above the support plate (58), a pressing seat (56) is installed at the end portion of the double-shaft cylinder (57), an L-shaped baffle (72) with a bevel edge is installed below the support plate (58), and the double, a second connecting block (59) is arranged at the shaft end of the first air cylinder (60), a third pressing block (55) is arranged below the second connecting block (59), and a second air cylinder (61) is arranged below the right side of the first air cylinder (60);
the method is characterized by comprising the following steps:
firstly, manually placing two square pipes (62) horizontally and two square pipes (62) vertically on a plurality of L-shaped baffles (71) which are horizontally and vertically arranged, placing the square pipes (62) at two ends on bevel edge L-shaped baffles (72), and then arranging steel wires (63) on a plurality of V-shaped blocks (69) in a crossed manner in the horizontal and vertical directions to build a shape of a guard railing;
secondly, arranging 8 second thin cylinders (50) at four corners and 4 second thin cylinders (50) at the upper and lower parts of the periphery of the built guard rail, wherein in an initial state, the piston rods of the second thin cylinders (50) are in an extending state, when the air is ventilated, the piston rods of the second thin cylinders (50) move downwards, and a first connecting block (49) arranged at the end parts of the piston rods moves downwards, so that a second pressing block (48) arranged below the first connecting block (49) moves downwards along with the piston rods, the second pressing block (48) simultaneously presses downwards above a square pipe (62) to realize radial positioning of the built guard rail, at the moment, the first thin cylinders (51) are simultaneously ventilated, the first pressing blocks (73) arranged at the end parts of the piston rods simultaneously position the horizontal direction of the built guard rail, and the piston rods of first cylinders (60) arranged at the upper ends of supporting plates (58) move downwards, the square tube is positioned in the radial direction through a third pressing block (55), a second air cylinder (61) is ventilated, a piston rod of the second air cylinder moves forwards to position the square tube in the horizontal direction, meanwhile, a double-shaft air cylinder (57) is ventilated, double shafts move downwards, and a pressing seat (56) positions the square tube;
thirdly, the sliding rail mechanisms (1) arranged at two sides of the welding mechanism (3) are started, a second servo motor (21) in the sliding rail mechanism (1) at one side is started, a rotating shaft (16) rotates through the connection of a speed reducer (20), so that a gear (15) rotates along with the rotation, the gear (15) is in meshing transmission with a rack (6) arranged at one side of a first base (10), so that a mobile station (14) moves for a certain stroke, the moving distance of the mobile station (14) is controlled through the number of rotating circles of the second servo motor (21), when the mobile station moves to a square pipe at one side of a built guard rail, the second servo motor (21) stops, and a wire feeding mechanism (2) arranged on the mobile station (14) moves to a specified position along with the second servo motor;
fourthly, programming and controlling the track of the three-degree-of-freedom planar robot, electrifying the wire feeder, feeding a welding wire (25) to a specified position through a wire feeding hose (29), moving the wire feeder to the specified position from the joint of the square pipe (62) and the square pipe (62), electrifying a welding gun (66) to weld the joint between the square pipes, simultaneously moving the slide rail mechanisms (1) on the other side, simultaneously welding the built guard rail by the two three-degree-of-freedom planar robots from left to right, and welding steel wires (63), wherein the two three-degree-of-freedom planar robots are simultaneously arranged on two sides of the welding mechanism (3) to simultaneously feed the wire and use the welding gun (66) to weld because the stroke of one three-degree-of-freedom robot is insufficient;
and fifthly, starting the first servo motor (42), rotating the rotating bracket (67) by 180 degrees, starting the second servo motor (21) again, welding the guard rail between the opposite side pipes and the steel wires from the right side to the left side by the mobile station (14), resetting each mechanism after welding is finished, resetting each air cylinder, and manually taking out the welded guard rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811008548.5A CN108942022B (en) | 2018-08-31 | 2018-08-31 | Guardrail welding method based on guardrail welding equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811008548.5A CN108942022B (en) | 2018-08-31 | 2018-08-31 | Guardrail welding method based on guardrail welding equipment |
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| CN108942022A CN108942022A (en) | 2018-12-07 |
| CN108942022B true CN108942022B (en) | 2020-12-25 |
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| CN113399896B (en) * | 2020-03-17 | 2022-07-12 | 广东博智林机器人有限公司 | Material centralized temporary storage device and reinforcement cage processing robot |
| CN112658544B (en) * | 2020-12-17 | 2022-10-21 | 中铁(吉林)北方工业有限公司 | Protective guard manufacturing device |
| CN112658560B (en) * | 2020-12-28 | 2023-05-09 | 阜阳市东建市政园林建设有限公司 | Production equipment of guardrail cat ladder |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE3245179C2 (en) * | 1982-12-07 | 1985-01-17 | Staco Stapelmann GmbH, 4044 Kaarst | Device for making gratings |
| CN103042323B (en) * | 2012-08-30 | 2015-07-29 | 浙江虎霸建设机械有限公司 | Tower crane standard section main chord welder |
| CN102974923B (en) * | 2012-12-06 | 2016-04-06 | 安徽好运机械有限公司 | Special automatic welding machine |
| KR101394394B1 (en) * | 2013-05-08 | 2014-05-13 | 강림중공업 주식회사 | Automatic welding machine for fin tube |
| CN203726067U (en) * | 2014-03-21 | 2014-07-23 | 自贡东方彩钢结构有限公司 | Automatic welding equipment for annular seams of ball joint handrail |
| CN204262562U (en) * | 2014-11-21 | 2015-04-15 | 重庆嘉丰汽车零部件股份有限公司 | Welding robot wire feed structure |
| CN104858528B (en) * | 2015-06-05 | 2017-11-17 | 珠海格力电器股份有限公司 | Welding equipment |
| CN205834533U (en) * | 2016-07-29 | 2016-12-28 | 苏州猎奇智能设备有限公司 | Minus plate automatic welding line |
| CN106141548A (en) * | 2016-08-29 | 2016-11-23 | 济南新智数控机械设备有限公司 | guardrail automatic welding device |
| CN107971601B (en) * | 2017-12-20 | 2023-11-21 | 中节能西安启源机电装备有限公司 | Automatic welding system and welding method for collecting pipe of finned radiator |
| CN108145370B (en) * | 2018-01-08 | 2020-11-20 | 重庆南涪铝精密制造有限公司 | Single-machine double-displacement welding system based on automatic welding robot |
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