CN103240518A - Special single-beat welding machine for steel bar trusses - Google Patents
Special single-beat welding machine for steel bar trusses Download PDFInfo
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- CN103240518A CN103240518A CN2013101419130A CN201310141913A CN103240518A CN 103240518 A CN103240518 A CN 103240518A CN 2013101419130 A CN2013101419130 A CN 2013101419130A CN 201310141913 A CN201310141913 A CN 201310141913A CN 103240518 A CN103240518 A CN 103240518A
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Abstract
The invention discloses a special single-beat welding machine for steel bar trusses on an automatic production line of steel bar trusses. The special single-beat welding machine structurally comprises a machine base, a worktable, an upper welding device and a lower welding device, wherein the worktable is mounted on the machine base, a web member steel bar positioning and tensioning device, an upper string rib support and the upper welding device are arranged at the front end of the machine base, and the lower welding device and the steel bar truss positioning and guiding device are arranged at the rear end of the machine base. Lower string rib positioning and guiding devices are symmetrically arranged on two sides of the worktable. The web member steel bar positioning and tensioning device can fixe relative positions of web member steel bars and upper string ribs before the steel bar trusses are welded. The upper string rib support can be applicable to production of the steel bar trusses different in height, and the upper string ribs and the lower string ribs are respectively welded with the web member steel bars by the upper welding device and the lower welding device. After welding and forming, the steel bar trusses are fed to subsequent production units by an automatic step system. The special single-beat welding machine is simple in structure, high in automation degree and low in production cost.
Description
Technical field
The invention belongs to the steel bar girder production technical field, particularly a kind of single-unit of triangle reinforcing bar truss numerical control production line is clapped steel bar girder special welding machine.
Background technology
At present, steel bar girder is widely used in the floor support plate of roof truss, bridge, high-speed railway sleeper and skyscraper gradually.The web member reinforcing bar of steel bar girder after by three main string muscle and two bendings is through welding, shear forming.Truss member mainly bears axial tension or pressure, can take full advantage of the intensity of material, saves material than solid web girder material, alleviates deadweight and increases rigidity.Be welded into template with galvanized steel plain sheet behind the steel bar girder welding fabrication, can be laid immediately on the girder steel, carry out simple reinforced bar engineering and other corresponding work then, but just casting concrete is applicable to construction complicated and changeable.Have only the minority enterprise professional production of Germany, the U.S. to make the steel bar girder welding production line at present, its cost is higher.
At home, the welding fabrication of steel bar girder is usually by manually finishing, because the artificial error is big, the labour intensity height causes works progress slow, and machining accuracy is poor, bad phenomenon such as production cost height progressively realize the automated production of steel bar girder welding fabrication now.And in the steel bar girder automated production, the steel bar girder welding equipment is absolutely necessary.Existing welder complex structure in the market, cost is higher, the welding quality instability.
Summary of the invention
Technical problem solved by the invention is to provide a kind of single-unit to clap steel bar girder special welding machine.
The technical solution that realizes goal of the invention is: a kind of single-unit of the present invention is clapped steel bar girder special welding machine, comprises support, workbench, can heighten the muscle bracing frame that winds up automatically, lower edge muscle detent mechanism, web member reinforcing bar location hold-down mechanism, goes up welder, locating guide device on locating guide device, the steel bar girder under welder, the steel bar girder down;
With reinforcing bar material direction of feed bonding machine is divided into preceding working portion and back working portion, the upper center of support arranges workbench, can heighten the workbench top that the muscle bracing frame that winds up is arranged on preceding working portion automatically, lower edge muscle detent mechanism is symmetrically distributed in preceding working portion workbench both sides, web member reinforcing bar location hold-down mechanism is fixed on the support, working portion workbench both sides before also being symmetrically distributed in, web member reinforcing bar location hold-down mechanism is positioned at the outside of lower edge muscle detent mechanism;
Last welder is symmetricly set on the outside of support top, web member reinforcing bar detent mechanism, following welder is positioned at the last welder device rear end of back working portion, locating guide device is symmetricly set on the workbench both sides of back working portion, the rear of following welder under the steel bar girder, locating guide device contacts with the lower edge muscle simultaneously under the steel bar girder, is the steel bar girder guiding; Locating guide device is arranged on locating guide device rear under the steel bar girder on the steel bar girder, and is positioned at a side of workbench, contacts with the muscle that winds up, and is the steel bar girder guiding.
The present invention compared with prior art, its remarkable advantage is: 1) the present invention realizes the automation welding to steel bar girder, and it is simple in structure, and the automaticity height can reduce labour intensity and production cost, improves efficiency of construction; 2) when producing the steel bar girder of different size, the welding electrode installing plate cooperates with the column kidney slot by kidney slot, realization welding electrode angle and adjustment highly that can be easily; 3) when producing the steel bar girder of differing heights specification, the muscle bracing frame that winds up is by the motor-driven leading screw, leading screw drives bracing frame and heightens automatically, and the displacement transducer that is installed in simultaneously on the bracing frame can guarantee the highly accuracy of adjusting, has improved the automatization level of production line; 4) the present invention can realize the effective thrust of steel bar girder is guaranteed the stability of steel bar girder direction of feed simultaneously by adjusting the pretightning force of steel bar girder locating guide device.
Below in conjunction with accompanying drawing the present invention is described in further detail.
Description of drawings
Fig. 1 is that single-unit of the present invention is clapped steel bar girder special welding machine structural representation front view.
Fig. 2 is that single-unit of the present invention is clapped steel bar girder special welding machine structural representation left view.
Fig. 3 is that single-unit of the present invention is clapped steel bar girder special welding machine structural representation right view.
Fig. 4 is that single-unit of the present invention is clapped steel bar girder special welding machine structural representation vertical view.
Fig. 5 is lower edge muscle locating guide device structural representation of the present invention.
Fig. 6 is locating guide device structural representation under the steel bar girder of the present invention.
The specific embodiment
In conjunction with Fig. 1, Fig. 4, a kind of single-unit of the present invention is clapped steel bar girder special welding machine, comprises support 1, workbench 3, can heighten the muscle bracing frame 4 that winds up automatically, lower edge muscle detent mechanism 6, web member reinforcing bar location hold-down mechanism 25, goes up welder 24, locating guide device 26 on locating guide device 8, the steel bar girder under welder 23, the steel bar girder down; With reinforcing bar material direction of feed bonding machine is divided into preceding working portion and back working portion, the upper center of support 1 arranges workbench 3, can heighten workbench 3 tops that the muscle bracing frame 4 that winds up is arranged on preceding working portion automatically, lower edge muscle detent mechanism 6 is symmetrically distributed in preceding working portion workbench 3 both sides, web member reinforcing bar location hold-down mechanism 25 is fixed on the support 1, working portion workbench 3 both sides before also being symmetrically distributed in, web member reinforcing bar location hold-down mechanism 25 is positioned at the outside of lower edge muscle detent mechanism 6; Last welder 24 is symmetricly set on the outside of support 1 top, web member reinforcing bar detent mechanism 25, following welder 23 is positioned at last welder device 24 rear ends of back working portion, locating guide device 8 is symmetricly set on workbench 3 both sides of back working portion, the rear of following welder 23 under the steel bar girder, locating guide device 8 contacts with the lower edge muscle simultaneously under the steel bar girder, is the steel bar girder guiding; Locating guide device 26 is arranged on locating guide device 8 rears under the steel bar girder on the steel bar girder, and is positioned at a side of workbench 3, contacts with the muscle that winds up, and is the steel bar girder guiding.
In conjunction with Fig. 2, the described driver element that can heighten the muscle bracing frame 4 that winds up automatically is positioned at base inner, comprises fixed support 33, motor 19, shaft coupling 28, leading screw 18, bearing mount pad 29, bracing frame installing plate 31, bracing frame mounting rod 32, guide rod 30, displacement transducer 27; Described motor 19 is arranged on fixed support 33 bottoms, motor 19 output axle heads link to each other with leading screw 18 1 ends by shaft coupling 28, this leading screw 18 is equipped with bearing, be arranged on the fixed support 33 by bearing mount pad 29, bracing frame installing plate 31 is installed on the feed screw nut of described leading screw 18, this installing plate and two bracing frame mounting rod 32 1 ends are by being threaded, the other end of two bracing frame mounting rods 32 all is connected with the bottom surface of the muscle bracing frame 4 that winds up, and the muscle bracing frame 4 that winds up is arranged on steel bar girder 12 inside, contacts with the truss muscle that winds up; By feed screw nut transmission and middle each parts moving up and down of muscle bracing frame 4 of realizing winding up, realize the welding of differing heights specification steel bar girder.Linearity and accuracy for guaranteeing highly to regulate are provided with guide rod 30 in the bracing frame installing plate left and right sides, at feed screw nut displacement transducer 27 are installed.
In conjunction with Fig. 5, described lower edge muscle locating guide device 8 comprises locating piece 41, following locating piece 42, locating piece installing plate 43; The described locating piece 41 of going up is provided with through hole, so that the lower edge muscle passes.For reducing the cut of reinforcing bar in the feeding process and the wearing and tearing of positioner self, locating piece becomes semicircle up and down, and locating piece closely cooperates and is symmetricly set on workbench 3 both sides of preceding working portion by locating piece installing plate 43 up and down.This device guarantees the width requirement of steel bar girder welding fabrication.
In conjunction with Fig. 1, Fig. 2, Fig. 4, described web member reinforcing bar location hold-down mechanism 25 comprises cylinder mounting plate 36, cylinder 2, rocking bar 22, rocking bar installing plate 35, web member reinforcing bar compact heap 21; Described cylinder 2 is connected on the support 1 by cylinder mounting plate 36, the hinged rocking bar 22 in described cylinder 2 piston rod ends, described rocking bar 22 two ends are equipped with bearing, and be fixed on the support by rocking bar installing plate 35, be intervally distributed with all adjustable web member reinforcing bar compact heaps 21 of three horizontal directions and width on the rocking bar 22, it is spaced apart the distance between two peak dots of steel bar girder, cylinder piston rod protrudes upward, drive rocking bar 22 and reverse downwards, web member reinforcing bar compact heap 21 is pressed on the web member reinforcing bar on the workbench 3.
In conjunction with Fig. 2, described last welder 24 comprises column 16, welder installing plate 17, last welder cylinder 5, electrode 13, the muscle hold down gag winds up; Described welder cylinder 5 two ends of going up are fixed on the welder installing plate 17, welder installing plate 17 cooperates by two pairs of waist-shaped holes that intersect with the column 16 that is installed in the support top, the adjusting of width, height and the angle of welding electrode when this cooperation can conveniently realize the welding of different size truss, last welder cylinder 5 piston-rod ends are equipped with electrode 13, and pair of electrodes 13 of welder is symmetrically distributed in the both sides of wind up muscle and two web member reinforcing bar pads on this; The described muscle hold down gag that winds up is positioned at the middle part of two root posts 16 and is positioned at the top of steel bar girder 12, and muscle contacts with winding up.
In conjunction with Fig. 2, the described muscle hold down gag that winds up comprises crossbeam 37, goes up clamping cylinder 14, goes up clamping cylinder suspension bracket 38, seaming chuck 15; The described clamping cylinder 14 of going up is arranged on the crossbeam 37 that two ends are installed in column 16 tops by last clamping cylinder suspension bracket 38, there is the seaming chuck guiding mechanism last clamping cylinder suspension bracket 38 both sides, last clamping cylinder 14 piston-rod ends are provided with seaming chuck 15, and the described muscle hold down gag that the winds up muscle that will wind up is pressed on the muscle bracing frame 4 that winds up.
In conjunction with Fig. 2, Fig. 3, Fig. 4, described welder 23 down comprises column 16, welder installing plate 17, following welder cylinder 7, electrode 13, central electrode 20; Described welder cylinder 7 two ends down are fixed on the welder installing plate 17, welder installing plate 17 cooperates by two pairs of waist-shaped holes that intersect with the column 16 that is installed in support 1 top, following welder cylinder 7 piston-rod ends are equipped with electrode 13, the pair of electrodes 13 of this time welder is symmetrically distributed in the both sides of two lower edge muscle and two web member reinforcing bar pads, and described central electrode 20 is positioned at steel bar girder inside, above the workbench.
In conjunction with Fig. 4, Fig. 6, locating guide device 8 comprises that directive wheel 44, guide wheel shaft 45, guide wheel are installed transverse slat 46 down, guide wheel is installed riser 47 under the described steel bar girder; Described 44 designs of directive wheel down are fluted, in order to steel bar girder lower edge muscle is located, following directive wheel 44 cooperates with guide wheel shaft 45 1 ends by bearing, guide wheel shaft 45 other ends are fixed on guide wheel transverse slat 46 1 ends are installed by being threaded, guide wheel is installed transverse slat 46 other ends and is fixed on guide wheel installation riser 47 upper ends, and this guide wheel riser 47 is fixed on the workbench 3; Locating guide device uses in pairs under the steel bar girder, cooperates with locating guide device on the steel bar girder 26, guarantees the stability of the steel bar girder feeding of welding fabrication.
In conjunction with Fig. 1, locating guide device 26 comprises directive wheel 9, guide wheel shaft, guide wheel fixed head 39, guide wheel bar 40, guide wheel erecting device 10, T type support 11 on the described steel bar girder; The described directive wheel 9 of going up has two, be arranged on guide wheel fixed head 39 both sides by guide wheel shaft, be hinged on an end of guide wheel bar 40 in the middle of the guide wheel fixed head 39, guide wheel bar 40 is fixed on the bottom surface by guide wheel erecting device 10 and is installed on the T type support 11 above the support 1, described guide wheel erecting device 10 is formed by threaded engagement by two parts up and down, its inside is provided with damping spring, with crossing the two-part use level up and down of adjusting the guide wheel erecting device, the compression shock absorption spring, making directive wheel be pressed on steel bar girder winds up on the muscle, provide certain pretightning force to steel bar girder, guarantee the stability of welding process, reduce the vibration of steel bar girder feeding process simultaneously.
Single-unit of the present invention is clapped the steel bar girder special welding machine course of work: adjust the muscle bracing frame that winds up before the welding and set the distance of winding up between muscle and the lower edge muscle, when the reinforcing bar material enters welding machine, the muscle bracing frame that winds up will be gone up the lower edge muscle with the lower edge muscle positioning and guiding mechanism that is set in the workbench both sides and accurately locate, mechanism action is stepped up in web member reinforcing bar location, web member reinforcing bar location is pressed on the workbench, the top of guaranteeing the web member reinforcing bar is in relatively accurate position with the muscle that winds up, the muscle hold-down mechanism that winds up action, the muscle that will wind up is pressed on the muscle bracing frame that winds up, the executive component action of last welding unit and following welding unit is pressed on wind up muscle and web member reinforcing bar respectively with welding electrode, the pad both sides of lower edge muscle and web member reinforcing bar, equal flow problem during for the solution multiple spot welding, going up welding unit by control system control at first welds, descend welding unit to weld then, after the welding unit welding is finished up and down, all mechanisms that step up reset, steel bar girder enters next production process, and bonding machine enters the next weld cycle stage.
Claims (9)
1. a single-unit is clapped steel bar girder special welding machine, it is characterized in that, comprise support (1), workbench (3), can heighten the muscle bracing frame (4) that winds up automatically, lower edge muscle detent mechanism (6), web member reinforcing bar location hold-down mechanism (25), go up welder (24), locating guide device (26) on locating guide device (8), the steel bar girder under welder (23), the steel bar girder down;
With reinforcing bar material direction of feed bonding machine is divided into preceding working portion and back working portion, the upper center of support (1) arranges workbench (3), can heighten workbench (3) top that the muscle bracing frame (4) that winds up is arranged on preceding working portion automatically, lower edge muscle detent mechanism (6) is symmetrically distributed in preceding working portion workbench (3) both sides, web member reinforcing bar location hold-down mechanism (25) is fixed on the support (1), working portion workbench (3) both sides before also being symmetrically distributed in, web member reinforcing bar location hold-down mechanism (25) is positioned at the outside of lower edge muscle detent mechanism (6);
Last welder (24) is symmetricly set on the outside of support (1) top, web member reinforcing bar detent mechanism (25), following welder (23) is positioned at last welder device (24) rear end of back working portion, locating guide device under the steel bar girder (8) is symmetricly set on workbench (3) both sides of back working portion, the rear of following welder (23), locating guide device under the steel bar girder (8) contacts with the lower edge muscle simultaneously, is the steel bar girder guiding; Locating guide device on the steel bar girder (26) is arranged on locating guide device under the steel bar girder (8) rear, and is positioned at a side of workbench (3), contacts with the muscle that winds up, and is the steel bar girder guiding.
2. clap steel bar girder special welding machine according to the single-unit described in the claim 1, it is characterized in that, the described driver element that can heighten the muscle bracing frame (4) that winds up automatically is positioned at base inner, comprises fixed support (33), motor (19), shaft coupling (28), leading screw (18), bearing mount pad (29), bracing frame installing plate (31), bracing frame mounting rod (32), guide rod (30), displacement transducer (27);
Described motor (19) is arranged on fixed support (33) bottom, motor (19) output axle head links to each other with leading screw (18) one ends by shaft coupling (28), this leading screw (18) is equipped with bearing, be arranged on the fixed support (33) by bearing mount pad (29), bracing frame installing plate (31) is installed on the feed screw nut of described leading screw (18), this installing plate and two bracing frame mounting rods (32) one ends are by being threaded, the other end of two bracing frame mounting rods (32) all is connected with the bottom surface of the muscle bracing frame (4) that winds up, and the muscle bracing frame (4) that winds up is arranged on steel bar girder (12) inside, contact with the truss muscle that winds up; Be provided with guide rod (30) in the bracing frame installing plate left and right sides, at feed screw nut displacement transducer (27) be installed.
3. clap steel bar girder special welding machine according to the single-unit described in the claim 1, it is characterized in that, described lower edge muscle locating guide device (8) comprises locating piece (41), following locating piece (42), locating piece installing plate (43); The described locating piece (41) of going up is provided with through hole, and locating piece becomes semicircle up and down, and locating piece closely cooperates and is symmetricly set on workbench (3) both sides of preceding working portion by locating piece installing plate (43) up and down.
4. clap steel bar girder special welding machine according to the single-unit described in the claim 1, it is characterized in that described web member reinforcing bar location hold-down mechanism (25) comprises cylinder mounting plate (36), cylinder (2), rocking bar (22), rocking bar installing plate (35), web member reinforcing bar compact heap (21);
Described cylinder (2) is connected in (1) on the support by cylinder mounting plate (36), the hinged rocking bar in described cylinder (2) piston rod end (22), described rocking bar (22) two ends are equipped with bearing, and be fixed on the support by rocking bar installing plate (35), be intervally distributed with all adjustable web member reinforcing bar compact heaps (21) of three horizontal directions and width on the rocking bar (22), it is spaced apart the distance between two peak dots of steel bar girder.
5. clap steel bar girder special welding machine according to the single-unit described in the claim 1, it is characterized in that described last welder (24) comprises column (16), welder installing plate (17), last welder cylinder (5), electrode (13), the muscle hold down gag winds up; Described welder cylinder (5) two ends of going up are fixed on the welder installing plate (17), welder installing plate (17) cooperates by two pairs of waist-shaped holes that intersect with the column (16) that is installed in the support top, last welder cylinder (5) piston-rod end is equipped with electrode (13), and pair of electrodes of welder (13) is symmetrically distributed in the both sides of wind up muscle and two web member reinforcing bar pads on this; The described muscle hold down gag that winds up is positioned at the middle part of two root posts (16) and is positioned at the top of steel bar girder (12), and muscle contacts with winding up.
6. clap steel bar girder special welding machine according to the single-unit described in the claim 5, it is characterized in that: the described muscle hold down gag that winds up comprises crossbeam (37), goes up clamping cylinder (14), goes up clamping cylinder suspension bracket (38), seaming chuck (15); The described clamping cylinder (14) of going up is arranged on two ends by last clamping cylinder suspension bracket (38) and is installed on the crossbeam (37) above the column (16), there is the seaming chuck guiding mechanism last clamping cylinder suspension bracket (38) both sides, last clamping cylinder (14) piston-rod end is provided with seaming chuck (15), and the described muscle hold down gag that the winds up muscle that will wind up is pressed on the muscle bracing frame (4) that winds up.
7. clap steel bar girder special welding machine according to the single-unit described in the claim 1, it is characterized in that described welder (23) down comprises column (16), welder installing plate (17), following welder cylinder (7), electrode (13), central electrode (20); Described welder cylinder (7) two ends down are fixed on the welder installing plate (17), welder installing plate (17) cooperates by two pairs of waist-shaped holes that intersect with the column (16) that is installed in support (1) top, following welder cylinder (7) piston-rod end is equipped with electrode (13), the pair of electrodes of this time welder is symmetrically distributed in the both sides of two lower edge muscle and two web member reinforcing bar pads, and described central electrode (20) is positioned at steel bar girder inside, above the workbench.
8. clap steel bar girder special welding machine according to the single-unit described in the claim 1, it is characterized in that, locating guide device under the described steel bar girder (8) comprises that directive wheel (44), guide wheel shaft (45), guide wheel are installed transverse slat (46) down, guide wheel is installed riser (47); The design of described directive wheel (44) down is fluted, following directive wheel (44) cooperates with guide wheel shaft (45) one ends by bearing, guide wheel shaft (45) other end is fixed on guide wheel transverse slat (46) one ends is installed by being threaded, guide wheel is installed transverse slat (46) other end and is fixed on guide wheel installation riser (47) upper end, and this guide wheel riser (47) is fixed on the workbench (3).
9. the single-unit described in is according to Claim 8 clapped steel bar girder special welding machine, it is characterized in that locating guide device on the described steel bar girder (26) comprises directive wheel (9), guide wheel shaft, guide wheel fixed head (39), guide wheel bar (40), guide wheel erecting device (10), T type support (11); The described directive wheel (9) of going up has two, be arranged on guide wheel fixed head (39) both sides by guide wheel shaft, be hinged on an end of guide wheel bar (40) in the middle of the guide wheel fixed head (39), guide wheel bar (40) is fixed on the bottom surface by guide wheel erecting device (10) and is installed on the top T type support (11) of support (1), described guide wheel erecting device (10) is formed by threaded engagement by two parts up and down, and its inside is provided with damping spring.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310141913.0A CN103240518B (en) | 2013-04-22 | 2013-04-22 | Special single-beat welding machine for steel bar trusses |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310141913.0A CN103240518B (en) | 2013-04-22 | 2013-04-22 | Special single-beat welding machine for steel bar trusses |
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| CN103240518A true CN103240518A (en) | 2013-08-14 |
| CN103240518B CN103240518B (en) | 2015-05-13 |
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