CN103817422B - Steel billet automatic flash butt welding machine - Google Patents

Steel billet automatic flash butt welding machine Download PDF

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Publication number
CN103817422B
CN103817422B CN201410092044.1A CN201410092044A CN103817422B CN 103817422 B CN103817422 B CN 103817422B CN 201410092044 A CN201410092044 A CN 201410092044A CN 103817422 B CN103817422 B CN 103817422B
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China
Prior art keywords
frame
oil cylinder
steel billet
assembly
walking dolly
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CN201410092044.1A
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CN103817422A (en
Inventor
张学斌
姚衡
李春林
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ZHANGJIAKOU BEIFANG BUTT WELDING MACHINE CO Ltd
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ZHANGJIAKOU BEIFANG BUTT WELDING MACHINE CO Ltd
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Priority to CN201410092044.1A priority Critical patent/CN103817422B/en
Publication of CN103817422A publication Critical patent/CN103817422A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00Resistance welding; Severing by resistance heating
    • B23K11/04Flash butt welding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00Resistance welding; Severing by resistance heating
    • B23K11/30Features relating to electrodes
    • B23K11/31Electrode holders and actuating devices therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00Resistance welding; Severing by resistance heating
    • B23K11/36Auxiliary equipment

Abstract

The present invention relates to automatic welding device technical field, a specifically steel billet automatic flash butt welding machine, owing to being subject to the restriction of equipment and condition in Rolling production, by steel billet segmentation, then every section of steel billet two ends shaping causes waste, and every section of steel billet discrepancy milling train all produces impact.The present invention includes flash butt welder, burring machine, walking dolly and telescopic bracket; Flash butt welder, burring machine are assemblied on walking dolly, and burring machine is between the dynamic and static frame of flash butt welder; Each hinged telescopic bracket before and after walking dolly; Walking dolly drags flash butt welder and burring machine moves back and forth in working region along ground rail, completes steel billet welding; The unsettled steel billet that telescopic bracket supporting runs.The steel billet of segmentation, in rolling of sectional iron process, is welded into overall steel billet by present device, achieves the continuous rolling of shaped steel goods, improves production efficiency, reduce production cost, avoid device damage.

Description

Steel billet automatic flash butt welding machine
Technical field
The present invention relates to automatic welding device technical field, specifically a kind of steel billet automatic flash butt welding machine, the billet being greater than 60 × 60 to size on steel rolling flow production line carries out the equipment of automatic welding.
Background technology
In Rolling production, owing to being subject to the restriction of equipment performance and working condition, steel billet always carries out the rolling of shaped steel goods with scale section material form, each section of steel billet through in, after finish rolling makes shaped steel goods, cut off by cut lengths.Therefore, in the operation of rolling of shaped steel goods, the leftover bits waste produced because carrying out steel billet two ends pinching the shaping of head back-end crop is huge, and every section of steel billet discrepancy roll all will produce impact to milling train, therefore the infringement to plant equipment is not only added, and reduce the stationarity of steel rolling, and impact the stifled steel phenomenon that causes of milling train because of steel billet termination and happen occasionally.
Summary of the invention
The object of the invention is for above-mentioned deficiency and a kind of steel billet automatic flash butt welding machine is provided, solving problems of the prior art.In rolling of sectional iron process, Flash Butt Welding is implemented to red heat steel billet, the steel billet of each section is welded into the overall steel billet of an endless, thus really realizes the continuous rolling of shaped steel goods.
Technical scheme of the present invention is: be made up of flash butt welder, burring machine, walking mechanism;
Walking mechanism comprises walking dolly, telescopic bracket; Walking dolly comprises vehicle frame, motor and transmission mechanism, and motor and transmission mechanism are assemblied in one end of vehicle frame, and motor is connected by transmission mechanism and drives wheel;
Each hinged telescopic bracket before and after walking dolly; Telescopic bracket is made up of support, roller, carrying roller, link assembly, and support is frame-type, and carrying roller two ends are assemblied in frame upper by bearing and bearing block; Support bottom is each side equipped with two rollers; Link assembly is made up of two connecting rods be hinged, and is articulated and connected between adjacent two stands by link assembly;
Flash butt welder is made up of motivation frame and quiet frame, and motivation frame and quiet frame include frame main body, electrode assembly and clamping hold down gag; Motivation frame and quiet rack construction identical, be gantry type frame structure, middle part is provided with steel billet passage, and in passage, there is backing roll bottom by bearing assemble; Motivation frame and quiet frame are oppositely arranged, and are assemblied on walking dolly, and dynamic and static frame is all combined with the Frame Assembling of walking dolly by slide rail;
The walking dolly of the quiet frame side of flash butt welder is equipped with distance adjustor by bearing, and the push rod of distance adjustor connects the frame main body of quiet frame; The walking dolly of dynamic frame side is equipped with upset hydraulic cylinder assembly, and upset hydraulic cylinder assembly comprises upset oil cylinder, upset lever, support arm; Upset cylinder block is articulated and connected on the oil cylinder seat of walking car frame bottom, and upset its intermediate part is assemblied in the vehicle frame top of walking dolly by bearing, and the lower end of upset lever is articulated and connected the piston rod of upset oil cylinder; Support arm two ends are articulated and connected the upper end of upset lever and motivation frame frame main body respectively;
Clamping hold down gag is made up of briquetting assembly, clamping device, and motivation frame upper lateral part corresponding with the frame main body of quiet frame respectively arranges a briquetting assembly, and briquetting assembly is coordinated with dynamic and static frame by the slide rail in frame main body; Briquetting assembly lower end is fixed with clamp; Also clamp is fixed with below briquetting assembly, with in the longitudinal relative frame main body of briquetting assembly;
Clamping device comprises compressed oil cylinder, clamping lever, fork; Two compressed oil cylinder cylinder bodies are articulated and connected with the cylinder support be fixed in motivation frame and quiet frame frame main body respectively; The frame main body sidepiece of motivation frame and quiet frame is equipped with a fork respectively by bearing pin, and the other end of fork is by being articulated and connected in the middle part of bearing pin and clamping lever; Clamping lever two ends are respectively by the briquetting assembly on the piston rod of pinned connection compressed oil cylinder and dynamic and static frame;
Dynamic and static frame is respectively equipped with two groups of corresponding electrode assemblies, wherein one group of electrode assembly is assemblied in the corresponding side of dynamic and static frame upper holder block assembly; Another group electrode assembly is assemblied in frame main body below briquetting assembly, longitudinally corresponding with the electrode assembly of briquetting assembly; Electrode assembly is made up of welding electrode, electrode slide block and electrode drive oil cylinder; In the briquetting assembly that electrode drive oil cylinder, linear guides are separately fixed at dynamic and static frame by bolt and frame main body, electrode slide block coordinates with linear guides, electrode slide block one end is connected with electrode drive cylinder piston rod, and the other end has been bolted welding electrode; Each welding electrode has been bolted little conductor, and is connected with the flexible copper strap of transformer by bolt;
Burring machine comprises frame, vertical cutter hub, vertical tool rest, horizontal cutter hub, horizontal tool rest, vertical deburring oil cylinder, horizontal deburring oil cylinder; The frame of burring machine adopts gantry type frame structure, is fixedly mounted on walking dolly, between the motivation frame and quiet frame of flash butt welder, and the channel connection of the passage below framework and the dynamic and static frame of flash butt welder;
Horizontal cutter hub and vertical cutter hub are separately fixed on horizontal tool rest and vertical tool rest; Horizontal tool rest, vertical tool rest are assemblied in top and the sidepiece of frame gantry type frame respectively, and horizontal tool rest and vertical tool rest and frame are and are slidably matched, the two tool rest directions of motion all with the channel vertical of steel billet;
Horizontal deburring oil cylinder is bolted on frame sidepiece, and the piston rod of horizontal deburring oil cylinder is fixedly connected with horizontal tool rest;
The cylinder body of vertical deburring oil cylinder and the oil cylinder seat of frame sidepiece are articulated and connected; Swing arm lower end and the bearing be fixed on above frame are articulated and connected, and swing arm upper end is connected to the middle part of top pressure lever by hinge, and pressure lever two ends, top are articulated and connected with the piston rod of vertical deburring oil cylinder and vertical tool rest respectively.
Further, the steel billet passage both sides of described motivation frame and quiet frame are equipped with guide roller.
Further, the guiding mechanism of the horizontal tool rest of described burring machine adopts linear slide rail; The guiding mechanism of vertical tool rest adopts double-column vertical guiding.
The invention has the beneficial effects as follows:
1, adopt steel billet automatic flash butt welding machine to carry out steel billet after wire bonding, make Rolling production efficiency improve 12% ~ 16%, production cost reduces by 2.5% ~ 3%;
2, reduce blank in Rolling production to leave out the beginning and the end and scale cutting in finishing procedure and the technology accident rate caused;
3, make steel rolling rolling characteristic become highly steady, decrease the damage to plant equipment, eliminate the high temperature difference circulation that traditional rolling technique causes on milling train, improve the milling train life-span;
4, the stifled steel phenomenon in billet rolling process is decreased.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structure chart of flash butt welder of the present invention;
Fig. 3 is that the A-A of Fig. 2 of the present invention is to sectional view;
Fig. 4 is burring machine schematic diagram of the present invention;
Fig. 5 is the left view of Fig. 4 of the present invention;
Fig. 6 is the structural representation of walking mechanism of the present invention;
Fig. 7 is that the B-B of Fig. 6 of the present invention is to sectional view;
Fig. 8 is the side view of support of the present invention.
Detailed description of the invention
In figure: 1, quiet frame, 2, motivation frame, 3, burring machine, 4, walking dolly, 5, telescopic bracket, 6, distance adjustor, 7, frame main body, 8, guide roller, 9, backing roll, 10, clamp, 11, briquetting assembly, 12, electrode drive oil cylinder, 13, linear guides, 14, electrode slide block, 15, welding electrode, 16, little conductor, 17, fork, 18, clamping lever, 19, compressed oil cylinder, 20, cylinder support, 21, upset oil cylinder, 22, support arm, 23, upset lever, 24, bearing, 25, horizontal deburring oil cylinder, 26, linear slide rail, 27, horizontal tool rest, 28, vertical deburring oil cylinder, 29, top pressure lever, 30, swing arm, 31, horizontal cutter hub, 32, vertical tool rest, 33, vertical cutter hub, 34, frame, 35, vehicle frame, 36, transmission mechanism, 37, motor, 38, roller, 39, support, 40, carrying roller, 41, connecting rod.
Embodiment
Steel billet automatic flash butt welding machine of the present invention carries out Flash Butt Welding to red heat steel billet in rolling of sectional iron process, and each section of steel billet is welded into the overall steel billet of an endless, what make shaped steel goods realizes continuous rolling.
As can be seen from Figure 1, the present invention includes flash butt welder, burring machine 3, walking mechanism; Walking mechanism comprises walking dolly 4, telescopic bracket 5(is shown in Fig. 6 ~ Fig. 8); Walking dolly 4 comprises vehicle frame 35, motor 37 and transmission mechanism 36, motor 37 and transmission mechanism 36(and gearbox) be assemblied in one end of vehicle frame 35, motor 37 power output shaft is connected by transmission mechanism 36 and drives wheel; The whole welding process of steel billet is carried out in steel rolling campaign, the effect of walking dolly 4 be drag flash butt welder and burring machine along ground rail in working region the steel rolling equipment of both sides (i.e. between) back and forth run, complete the whole welding operation of steel billet.
Walking dolly 4 rear and front end each hinged telescopic bracket 5, two telescopic bracket 5 functions are along with walking dolly 4 makes reciprocal telescopic movement in working region, when walking dolly 4 moves around, and the unsettled steel billet that supporting runs.Telescopic bracket 5 is made up of support 39, roller 38, carrying roller 40, link assembly, and support 39 is in frame-type, and carrying roller 40 two ends are assemblied in support 39 top by bearing and bearing block, and roller carrier shaft assembly direction is vertical with steel billet direction of travel; Support 39 bottom is each side equipped with two rollers 38; Often organize link assembly to be made up of two connecting rods 41 be hinged, by organize link assembly more between adjacent each support 39 and be articulated and connected, namely in link assembly, two connecting rod 41 one end are hinged, the other end respectively by bearing pin and adjacent support 39 hinged.
The present embodiment is welded as example, steel rail laying between roughing equipment and middle rolling plant with the steel billet rolled in roughing extremely, and walking dolly 4 and telescopic bracket 5 are placed on rail.
From Fig. 2 ~ Fig. 3, flash butt welder is made up of motivation frame 2 and quiet frame 1, motivation frame 2 and quiet frame 1 include frame main body 7, electrode assembly and clamping hold down gag, motivation frame 2 and quiet frame 1 structure identical, be gantry type frame structure, middle part is provided with steel billet passage, and in passage, there is backing roll 9 bottom by bearing assemble, and passage both sides are longitudinally equipped with guide roller 8; This structure distinguishing feature is that frame rigidity is strong, good operating stability, has enough strong upset force extruding steel billet both ends of the surface to make it molten adhere and form one when ensure that welding upset.Motivation frame 2 and quiet frame 1 are oppositely arranged, and are assemblied on walking dolly 4, and dynamic and static frame is all combined by the Frame Assembling of slide rail with walking dolly 4;
The walking dolly 4 of flash butt welder quiet frame 1 side is equipped with distance adjustor 6 by oil cylinder seat, the present embodiment distance adjustor 6 adopts swivel nut and screw-rod structure, the spiral ejection pin of distance adjustor 6 connects the frame main body of quiet frame 1, adjusts the initial position of quiet frame 1 when assembling for equipment; The walking dolly of motivation frame 2 side is equipped with upset hydraulic cylinder assembly, upset hydraulic cylinder assembly comprises upset oil cylinder 21, upset lever 23, support arm 22, upset oil cylinder 21 cylinder body is articulated and connected on the oil cylinder seat of walking dolly 4 frame downward, be articulated and connected with the bearing 24 on walking dolly vehicle frame top in the middle part of upset lever 23, the lower end of upset lever 23 is articulated and connected the piston rod of upset oil cylinder 21; Support arm 22 two ends are articulated and connected the upper end of upset lever 23 and the frame main body of motivation frame 2 respectively.
Clamping hold down gag is made up of briquetting assembly 11, clamping device, motivation frame 2 respectively arranges a briquetting assembly 11 with the corresponding upper lateral part of frame main body of quiet frame 1, briquetting assembly 11 is coordinated with dynamic and static frame by the dovetail slide rail in frame main body, and briquetting assembly can be slided up and down along slide rail; Briquetting assembly 11 lower end has been bolted clamp 10; Dynamic and static frame is positioned in the frame main body below briquetting assembly 11, is also fixed with clamp 10 with the longitudinal corresponding section of briquetting assembly 11 by bolt, forms jaws with the clamp 10 on briquetting assembly above it;
Clamping device comprises compressed oil cylinder 19, clamping lever 18, fork 17, two compressed oil cylinder 19 cylinder bodies are articulated and connected with the cylinder support 20 be fixed in motivation frame 2 and quiet frame 1 frame main body respectively; The frame main body sidepiece of motivation frame and quiet frame is equipped with a fork 17 respectively by bearing pin, and the other end of fork 17 is by being articulated and connected in the middle part of bearing pin and clamping lever 18, then fork 17 plays the effect of supporting clamping lever 18; The piston rod of clamping lever 18 two ends respectively by pinned connection compressed oil cylinder 19 and the briquetting assembly 11 of dynamic and static frame; Flexible clamping lever 18 bearing pin in the middle part of it that promotes of compressed oil cylinder 19 piston mandril rotates, and drives the briquetting assembly in dynamic and static frame longitudinally to reciprocatingly slide along slide rail, realizes the positioning clamping to welding steel billet and the work of welding compression.
The corresponding side of frame main body 7 of dynamic and static frame arranges two arrays of electrodes device respectively, and longitudinally relatively, wherein one group of electric machine is assemblied on the briquetting assembly 11 of frame main body two arrays of electrodes device, and another group electrode assembly is assemblied in frame main body 7; Electrode assembly is made up of welding electrode 15, electrode slide block 14 and electrode drive oil cylinder 12; In the briquetting assembly 11 that electrode drive oil cylinder 12, linear guides 13 are separately fixed at dynamic and static frame by bolt and frame main body, electrode slide block 14 coordinates with linear guides 13, electrode slide block 14 one end is connected with electrode drive oil cylinder 12 piston rod, the other end has been bolted welding electrode 15, is located between electrode slide block 14 and welding electrode 15 by flat key; Two welding electrodes 15 of motivation frame 2 and two welding electrodes 15 of quiet frame 2 are mutually corresponding respectively; Each welding electrode 15 is bolted copper little conductor 16, welding electrode 15 and little conductor 16 and between all located by flat key; Each welding electrode 15 is connected with the flexible copper strap of transformer by bolt; During welding, little conductor 16 is pressed in billet surface by electrode drive oil cylinder 12 top, while guarantee obtains satisfactory electrical conductivity, decreases the loss of electrode conductor.
After having welded, burring machine rejects the welding bead that surface, steel billet weld zone is formed, avoid the square billet with overlap to enter milling train to cause mill product being formed wrinkle and scar, also improve the cooling quality of welding region simultaneously, avoid extension or the fracture of billet during rolling.
From Fig. 4 ~ Fig. 5, burring machine 3 comprises frame 34, vertical cutter hub 33, vertical tool rest 32, horizontal cutter hub 31, horizontal tool rest 27, vertical deburring oil cylinder 28, horizontal deburring oil cylinder 25; The frame 34 of burring machine adopts gantry type frame structure, is mounted by means of bolts on walking dolly 4, between the motivation frame 2 and quiet frame 1 of flash butt welder, and the channel connection of the passage below framework and the dynamic and static frame of flash butt welder;
Horizontal cutter hub 31 and vertical cutter hub 33 are separately fixed on horizontal tool rest 27 and vertical tool rest 32; Horizontal tool rest 27, vertical tool rest 32 are assemblied in top and the sidepiece of frame 34 gantry type frame respectively, and horizontal tool rest 27 and vertical tool rest 32 are with frame 34 and are slidably matched, and two tool rests can move along respective slide rail, the direction of motion all with the channel vertical of steel billet.
Horizontal tool rest 27 guiding mechanism of the present embodiment adopts linear slide rail 26, and horizontal deburring oil cylinder 25 is bolted on frame 34 sidepiece, and the piston rod of horizontal deburring oil cylinder 25 is fixedly connected with horizontal tool rest 27; During cylinder efficient, piston rod promotes horizontal tool rest 27 and moves back and forth along linear slide rail 26, realizes the welding bead that horizontal cutter hub 31 removes steel billet water plane;
The cylinder body of vertical deburring oil cylinder 28 and the oil cylinder seat of frame 34 sidepiece are articulated and connected; Swing arm 30 lower end and the bearing be fixed on above frame are articulated and connected, and swing arm 30 upper end is connected to the middle part of top pressure lever 29 by hinge, and pressure lever 29 two ends, top are articulated and connected with the piston rod of vertical deburring oil cylinder 28 and vertical tool rest 32 respectively; In this example, vertical tool rest 32 adopts double-column vertical to lead, vertical deburring oil cylinder 28 piston rod promotes the top hinging pin shaft of pressure lever 29 in the middle part of it and rotates, vertical tool rest 32 is driven to pump along guide upright post, realize the welding bead that vertical cutter hub 33 removes vertical plane, to obtain reliable and stable deburring except knurl effect.
The electrode drive oil cylinder of this equipment flash butt welder, compressed oil cylinder, upset oil cylinder, and the vertical and horizontal deburring oil cylinder of burring machine is connected with hydraulic system, hydraulic system is made up of motor, plunger displacement pump, control valve, for each function oil cylinders such as clamping, upset, deburring provide reliable power source.Control system comprises PLC and SCR control mainboard, to realize the control to steel billet welding current size, and carries out programme-control to whole automatic flash welding processes.
The course of work:
Steel billet automatic flash butt welding machine of the present invention is used for welding red heat steel billet in rolling of sectional iron process, in conjunction with the present embodiment, welding process is described, welding overall process starts from shearing of the roughing mill outlet side, roll inlet side in ending at.Because whole welding process is along with the motion of middle steel rolling base completes, be therefore arranged on by flash butt welder on the walking dolly 4 of provided with wheels, walking dolly 4 is dragged or is driven operation by motor 37 through transmission mechanism 36.Flash butt welder, in the dragging of walking dolly 4 or under driving, moves back and forth along rail, realizes the on-line automatic continuous welding of red heat steel billet in working region.The red heat steel billet of roughing is pinched after a back-end crop shaping through flying shear, makes the head of this steel billet and the last afterbody butt welding having entered middle milling train steel billet form an overall steel billet.
Original state walking dolly 4 and flash butt welder are in the static wait of predeterminated position; A rear roughing steel billet is to be greater than the gait of march of middle steel rolling base, the steel billet that last has entered middle rolling plant is caught up with through guider, synchronized motion is kept after two steel billets join end to end, when two steel billet connecting places (weld seam) arrive assigned address, compressed oil cylinder 19 in the quiet frame 1 of welding machine works, drive briquetting assembly 11 to move by clamping lever 18 descending, clamp 10 blocks the tail end of middle steel rolling base (at front steel billet); Meanwhile, the clamping device on welding machine motivation frame 2 starts, and makes clamp block the head of roughing steel billet (rear side steel billet).Walking dolly 4 is advanced to middle milling train by the speed dragging of the steel billet of middle rolling plant side according to roll immediately; The welder be fixed in dynamic and static frame briquetting assembly 11 and frame main body starts, and welding electrode 15, little conductor 16 press the termination of former and later two steel billets under the top pressure effect of electrode drive oil cylinder 12, is energized and starts welding.First, steel billet both ends are melted by welding machine, upset oil cylinder 21 drives welding machine motivation frame 2 to move along slide rail, motivation frame 2 and jaw thereof move to the jaw of quiet frame 1, make steel billet both ends of the surface produce lintel explosion and produce spatter continuously, steel billet both ends of the surface oxide is sprayed, and firmly extruding steel billet both ends of the surface make it molten adhere formation one, thus complete the welding of steel billet.
Steel billet has welded rear electrode device and has resetted, vertical and the horizontal cutter hub of burring machine 3 is under the driving of vertical deburring oil cylinder 28 and horizontal deburring oil cylinder 25 piston rod, move back and forth along its respective guide rail, the welding bead being present in steel billet weld zone is removed.Then four clamps 10 of dynamic and static welding machine frame device unclamp steel billet, and the steel billet welded is dragged by middle rolling plant and continues to move ahead.
In the welding process of the present embodiment, walking dolly 4 is rolled milling train in production line and drags, and its speed of service is consistent with the biting speed of middle milling train; After having welded, the motor 37 on walking dolly 4 starts, and drives walking dolly 4 to motion in the other direction, drives flash butt welder and burring machine 3 to return to home position, prepare to start welding operation next time at motor 37 by transmission mechanism 36.
Schematic but not pro forma restriction by preferred embodiment to the detailed description that technical solution of the present invention is carried out above.Those skilled in the art is on the basis of reading description of the present invention, technical scheme described in embodiment can be modified, or equivalent replacement is carried out to wherein portion of techniques feature, and these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of embodiment of the present invention technical scheme.

Claims (3)

1. a steel billet automatic flash butt welding machine, is characterized in that: be made up of flash butt welder, burring machine (3), walking mechanism;
Walking mechanism comprises walking dolly (4), telescopic bracket (5); Walking dolly (4) comprises vehicle frame (35), motor (37) and transmission mechanism (36), and motor (37) and transmission mechanism (36) are assemblied in one end of vehicle frame (35), and motor (37) is connected by transmission mechanism (36) and driven wheel;
Each hinged telescopic bracket (5) before and after walking dolly (4); Telescopic bracket (5) is made up of support (39), roller (38), carrying roller (40), link assembly, and support (39) is in frame-type, and carrying roller (40) two ends are assemblied in support (39) top by bearing and bearing block; Support (39) bottom is each side equipped with two rollers (38); Link assembly is made up of two connecting rods (41) be hinged, and adjacent two stands is articulated and connected by link assembly between (39);
Flash butt welder is made up of motivation frame (2) and quiet frame (1), and motivation frame (2) and quiet frame (1) include frame main body (7), electrode assembly and clamping hold down gag; Motivation frame (2) and quiet frame (1) structure identical, be gantry type frame structure, middle part is provided with steel billet passage, and in passage, there is backing roll (9) bottom by bearing assemble; Motivation frame (2) and quiet frame (1) are oppositely arranged, and are assemblied on walking dolly (4), and dynamic and static frame is all combined by the Frame Assembling of slide rail with walking dolly (4);
The walking dolly (4) of the quiet frame of flash butt welder (1) side is equipped with distance adjustor (6) by bearing, and the push rod of distance adjustor (6) connects the frame main body of quiet frame (1); The walking dolly of motivation frame (2) side is equipped with upset hydraulic cylinder assembly, and upset hydraulic cylinder assembly comprises upset oil cylinder (21), upset lever (23), support arm (22); Upset oil cylinder (21) cylinder body is articulated and connected on the oil cylinder seat of walking dolly (4) frame downward, upset lever (23) middle part is assemblied in the vehicle frame top of walking dolly by bearing (24), and the lower end of upset lever (23) is articulated and connected the piston rod of upset oil cylinder (21); Support arm (22) two ends are articulated and connected the upper end of upset lever (23) and motivation frame (2) frame main body respectively;
Clamping hold down gag is made up of briquetting assembly (11), clamping device, motivation frame (2) respectively arranges a briquetting assembly (11) with the corresponding upper lateral part of frame main body of quiet frame (1), and briquetting assembly (11) is coordinated with dynamic and static frame by the slide rail in frame main body; Briquetting assembly (11) lower end is fixed with clamp (10); Briquetting assembly (11) below, the frame main body longitudinally relative with briquetting assembly (11) are also fixed with clamp (10);
Clamping device comprises compressed oil cylinder (19), clamping lever (18), fork (17); Two compressed oil cylinder (19) cylinder bodies are articulated and connected with the cylinder support (20) be fixed in motivation frame (2) and quiet frame (1) frame main body respectively; The frame main body sidepiece of motivation frame and quiet frame is equipped with a fork (17) respectively by bearing pin, and the other end of fork (17) is articulated and connected by bearing pin and clamping lever (18) middle part; Clamping lever (18) two ends are respectively by the briquetting assembly (11) on the piston rod of pinned connection compressed oil cylinder (19) and dynamic and static frame;
Dynamic and static frame is respectively equipped with two groups of corresponding electrode assemblies, wherein one group of electrode assembly is assemblied in the corresponding side of dynamic and static frame upper holder block assembly (11); Another group electrode assembly is assemblied in briquetting assembly (11) below, the frame main body longitudinally corresponding with the electrode assembly of briquetting assembly (11); Electrode assembly is made up of welding electrode (15), electrode slide block (14) and electrode drive oil cylinder (12); In the briquetting assembly (11) that electrode drive oil cylinder (12), linear guides (13) are separately fixed at dynamic and static frame by bolt and frame main body, electrode slide block (14) coordinates with linear guides (13), electrode slide block (14) one end is connected with electrode drive oil cylinder (12) piston rod, and the other end has been bolted welding electrode (15); Each welding electrode (15) has been bolted little conductor (16), and is connected with the flexible copper strap of transformer by bolt;
Burring machine (3) comprises frame (34), vertical cutter hub (33), vertical tool rest (32), horizontal cutter hub (31), horizontal tool rest (27), vertical deburring oil cylinder (28), horizontal deburring oil cylinder (25); The frame (34) of burring machine adopts gantry type frame structure, be fixedly mounted on walking dolly (4), between the motivation frame (2) being positioned at flash butt welder and quiet frame (1), the channel connection of the passage below framework and the dynamic and static frame of flash butt welder;
Horizontal cutter hub (31) and vertical cutter hub (33) are separately fixed on horizontal tool rest (27) and vertical tool rest (32); Horizontal tool rest (27), vertical tool rest (32) are assemblied in top and the sidepiece of frame (34) gantry type frame respectively, horizontal tool rest (27) and vertical tool rest (32) are with frame (34) and are slidably matched, the two tool rest directions of motion all with the channel vertical of steel billet;
Horizontal deburring oil cylinder (25) is bolted on frame (34) sidepiece, and the piston rod of horizontal deburring oil cylinder (25) is fixedly connected with horizontal tool rest (27);
The cylinder body of vertical deburring oil cylinder (28) and the oil cylinder seat of frame (34) sidepiece are articulated and connected; Swing arm (30) lower end and the bearing be fixed on above frame are articulated and connected, swing arm (30) upper end is connected to the middle part on top pressure lever (29) by hinge, and pressure lever (29) two ends, top are articulated and connected with the piston rod of vertical deburring oil cylinder (28) and vertical tool rest (32) respectively.
2. a kind of steel billet automatic flash butt welding machine according to claim 1, is characterized in that: described motivation frame (2) and the steel billet passage both sides of quiet frame (1) are equipped with guide roller (8).
3. a kind of steel billet automatic flash butt welding machine according to claim 1, is characterized in that: the guiding mechanism of described burring machine (3) horizontal tool rest (27) adopts linear slide rail (26); The guiding mechanism of vertical tool rest (32) adopts double-column vertical guiding.
CN201410092044.1A 2014-03-13 2014-03-13 Steel billet automatic flash butt welding machine Active CN103817422B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410092044.1A CN103817422B (en) 2014-03-13 2014-03-13 Steel billet automatic flash butt welding machine

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Application Number Priority Date Filing Date Title
CN201410092044.1A CN103817422B (en) 2014-03-13 2014-03-13 Steel billet automatic flash butt welding machine

Publications (2)

Publication Number Publication Date
CN103817422A CN103817422A (en) 2014-05-28
CN103817422B true CN103817422B (en) 2016-01-20

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AT518319B1 (en) * 2016-02-04 2018-02-15 Plasser & Theurer Export Von Bahnbaumaschinen Gmbh Welding unit for welding rails of a track

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US4929816A (en) * 1988-02-01 1990-05-29 Franz Plasser Bahnbaumaschinen-Industriegesellschaft Gmbh Electric flash-butt welding machine and method of providing a welded joint between adjacent ends of rail sections
AT145574T (en) * 1992-11-09 1996-12-15 Schlatter Ag TORQUE WELDING SYSTEM
CN202527841U (en) * 2012-05-18 2012-11-14 宁波新州焊接设备有限公司 Flash butt welder
CN203156214U (en) * 2013-01-28 2013-08-28 东莞市萨浦刀锯有限公司 Full-automatic band steel flash butt welder
CN203751508U (en) * 2014-03-13 2014-08-06 张家口北方对焊机有限公司 Automatic flash butt welder for steel billet

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