CN201175832Y

CN201175832Y - Bridge type automatic welding machine

Info

Publication number: CN201175832Y
Application number: CNU2008200196869U
Authority: CN
Inventors: 孔祥钦; 李会彬
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-04-01
Filing date: 2008-04-01
Publication date: 2009-01-07
Anticipated expiration: 2018-04-01

Abstract

The utility model discloses a bridge type automatic welding machine, which comprises a bridge type support, the bridge type support comprises a left upright post and a right upright post, a front girder is mounted between the left upright post and the right upright post, the left upright post is connected with one end of a second sill crossbar, the right upright post is connected with one end of a first sill crossbar, the first sill crossbar and the second sill crossbar are all equipped with road wheels, the first sill crossbar and the second sill cross bar are respectively equipped with an upright pole, the upper ends of the two upright poles are respectively equipped with a lathe bed support, the two lathe bed supports are respectively have one end to respectively connect with the left upright post and the right upright post, two lower cross braces are mounted between the two lathe bed supports, a plurality of supporting poles are mounted between the two lower cross braces, the front girder is automatically equipped with an automatic welding mechanism, and the automatic welding mechanism comprises a wire feeder combination, a welding torch assembly and a wing plate profiling supporting pole assembly. The bridge type automatic welding machine realizes profiling welding through the mechanical transmission, can accurately and efficiently complete varieties of welding operations of straight lines or non-straight lines, besides, the bridge type automatic welding machine has the advantages of compact and simple structure, low manufacturing cost, long service life and convenient maintenance.

Description

The bridge-type automatic welding machine

Technical field

The utility model relates to a kind of automatic soldering device, exactly is a kind of bridge-type automatic welding machine.

Background technology

At present, auto industry develops rapidly, the welding of large corporations such as automobile frame needs to be finished by large-scale welder, but there is following defective in existing welder: 1, no sensing device welder, and automaticity is low, mechanism or workpiece that only suitable welded seam is a straight line, and the welding accuracy is relatively poor, and welding efficiency is low, and operation is comparatively complicated; 2, the welder of high sensitivity sensing device such as laser sensor is housed, and its automaticity is higher, and welding is accurately quick, still, its manufacturing cost is higher, costs an arm and a leg, and, damage easily because internal structure is complicated, maintenance cost is higher, and maintenance difficulty is bigger.

Summary of the invention

The purpose of this utility model, provided a kind of bridge-type automatic welding machine, it is mainly to realize the profiling welding by machine driving, can finish the welding job of various straight lines or non-linear accurately and efficiently, and, have compactness simple for structure, cheap for manufacturing cost, long service life and advantage easy to maintenance.

The purpose of this utility model is achieved through the following technical solutions: the bridge-type automatic welding machine, comprise bridge support, bridge support comprises left column and right column, crossbeam before installing between left column and the right column, left column is connected with an end of second sill cross bar, right column is connected with an end of first sill cross bar, on first sill cross bar and second sill cross bar road wheel is installed all, a vertical rod respectively is installed on first sill cross bar and second sill cross bar, a lathe bed support is respectively installed in the upper end of two vertical rods, one end of two lathe bed supports is connected with right column with left column respectively, two lower braces are installed between two lathe bed supports, several support bars are installed between two lower braces, on the preceding crossbeam line slideway and following line slideway are set, the movable tail skid of installing on last line slideway and the following line slideway, the anterior leading screw of installing of tail skid, one end of leading screw is connected with the output shaft of lifting motor, feed screw nut is installed on the leading screw, feed screw nut is connected with front slide, the front slide guide rail is set on the tail skid, the movable front slide top shoe of installing on the front slide guide rail, the front slide top shoe is connected with front slide, the combination of wire feed basket is installed on the front slide, welding gun assembly and wing plate profiling pole assembly, the chain motor is installed at the tail skid rear portion, the output shaft of chain motor is connected with sprocket wheel, the left spring pipe is installed on the left column, offer groove on the sidewall of left spring pipe, pull bar is installed in the left spring pipe, one end of pull bar is connected with left column, the other end of pull bar is connected with spring, the other end of spring is connected with spring chain connecting rod, install on the spring chain connecting rod near the switch column, end near the switch column is passed outside the left spring pipe by groove, right bourdon tube is installed on the right column, the structure of right bourdon tube is identical with the left spring pipe, be equipped with another set of in the right bourdon tube by pull bar, spring, spring chain connecting rod, the control device that connects and composes near the switch column, chain is installed, chain and sprocket engagement between two spring chain connecting rods in left spring pipe and the right bourdon tube.

For further realizing the purpose of this utility model realizing by the following technical solutions: guardrail is installed in the top of two lathe bed supports and two lower braces, between the lathe bed support and second sill cross bar ladder is installed.Wing plate profiling pole assembly is by profiling vertical rod fixed cover, the profiling vertical shaft, profiling walking vertical rod seat, the profiling support, regulating handle, wing plate profiling support, rotating shaft, wing plate profiling rack wheel, profiling walking vertical rod axle sleeve, profiling walking wheel seat, contour wheel and profiling vertical rod walking vertical shaft connect and compose, profiling vertical rod fixed cover is connected with front slide, the profiling vertical shaft is installed in the profiling vertical rod fixed cover, install on the profiling vertical rod fixed cover and regulate bolt, regulating bolt contacts with the profiling vertical shaft, profiling walking vertical rod seat is installed in profiling vertical shaft bottom, profiling walking vertical rod axle sleeve is installed on the profiling walking vertical rod seat, in the profiling walking vertical rod axle sleeve profiling vertical rod walking vertical shaft is installed, profiling vertical rod walking vertical shaft is connected with profiling walking wheel seat, on the profiling walking wheel seat contour wheel is installed, the profiling support is installed on the profiling vertical shaft, the profiling support is connected with wing plate profiling support by rotating shaft, wing plate profiling rack wheel is installed in the lower end of wing plate profiling support, on the profiling support regulating handle is installed, the last end in contact of an end of regulating handle and wing plate profiling support.The welding gun assembly is by gauge finder, first wire feed rolls, second wire feed rolls, silk pressing wheel fish maw plate, dynamic pressure silk wheel, the wire feeding motor insulation sleeve, silk pressing wheel regulating handle and conducting rod connect and compose, first wire feed rolls and second wire feed rolls are installed in the top of gauge finder, silk pressing wheel fish maw plate is installed at the middle part of gauge finder, one end and the gauge finder of silk pressing wheel fish maw plate are hinged, silk pressing wheel regulating handle is installed on the gauge finder, silk pressing wheel regulating handle contacts with the other end of silk pressing wheel fish maw plate, on the silk pressing wheel fish maw plate dynamic pressure silk wheel is installed, level pressure silk wheel is installed on the gauge finder, and conducting rod is installed in the bottom of gauge finder.Install stull between left column and the right column, crossbeam top before last stull is positioned at, the front hopper connecting plate is set in the last stull, the front hopper connecting plate is connected with second hopper, the second controllable silicon automatic submerged arc welding machine and solder flux collecting machine are installed on the bridge support, power controling box and parts control cabinet are installed on the right column.The back crossbeam is installed between left column and the right column, line slideway and following line slideway are set on the back crossbeam, the movable tail skid of installing of last line slideway and following line slideway, the anterior leading screw of installing of tail skid, one end of leading screw is connected with the output shaft of lifting motor, feed screw nut is installed on the leading screw, feed screw nut is connected with front slide, the front slide guide rail is installed on the tail skid, the movable front slide top shoe of installing on the front slide guide rail, the front slide top shoe is connected with front slide, the combination of wire feed basket is installed on the front slide, welding gun assembly and wing plate profiling pole assembly, the chain motor is installed at the tail skid rear portion, the output shaft of chain motor is connected with sprocket wheel, the left spring pipe is installed on the left column, offer groove on the sidewall of left spring pipe, pull bar is installed in the left spring pipe, one end of pull bar is connected with left column, the other end of pull bar is connected with spring, the other end of spring is connected with spring chain connecting rod, install on the spring chain connecting rod near the switch column, end near the switch column is passed outside the left spring pipe by groove, right bourdon tube is installed on the right column, the structure of right bourdon tube is identical with the left spring pipe, be equipped with another set of in the right bourdon tube by pull bar, spring, spring chain connecting rod, near the control device that the switch column connects and composes, chain is installed, chain and sprocket engagement between two spring chain connecting rods in left spring pipe and the right bourdon tube.The first controllable silicon automatic submerged arc welding machine and the first solder flux collecting machine are installed on the bridge support, stull on another root is installed between left column and the right column, the rear hopper connecting plate is set in the last stull, first hopper is installed on the rear hopper connecting plate.First movable motor is installed on the left column, second movable motor is installed on the right column, first movable motor and second movable motor are connected with the road wheel installed on left column and the right column respectively.

Good effect of the present utility model is: it is equipped with bridge support, and bridge support can conveniently install and fix equipment such as welding machine, solder flux collecting machine and hopper, can make welding smooth more quick, and efficient is higher; Road wheel, mechanical feeler mechanism and sled mechanism are housed on its bridge support, can weld the weld seam of all kinds of non-linear, Automation of Welding degree height, welding is accurately.

Description of drawings

Fig. 1 is a structural representation of the present utility model; Fig. 2 is that the structure for amplifying schematic diagram is looked on the left side of Fig. 1; Fig. 3 is the structural representation of the utility model bridge support; Fig. 4 is that the structure for amplifying schematic diagram is looked on the left side of Fig. 3; Fig. 5 is that the C of Fig. 2 is to the structure for amplifying schematic diagram; Fig. 6 is the left TV structure schematic diagram of Fig. 5; Fig. 7 is the structural representation that tail skid is connected with front slide; Fig. 8 is the left TV structure schematic diagram of Fig. 7; Fig. 9 is that the D of Fig. 6 is to the structure for amplifying schematic diagram; Figure 10 is the left TV structure schematic diagram of Fig. 9; Figure 11 is the structural representation of welding gun assembly; Figure 12 is that the B of Figure 11 is to the structure for amplifying schematic diagram; Figure 13 is the local structure for amplifying schematic diagram of the I of Fig. 3.

Numbers in the figure: a front beam 2 left 3 right spring spring tube cross brace pipe 4 5 6 Front hopper after hopper plate body bracket plate 7 8 9 After the beam guardrail 10 Ladder 11 under the stretcher 12 13 right column left column 14 under the linear guide 15 first traveling motor 16 second walk profiling motor bracket 18 17 19 adjustable handle bracket 20 wing flaps profiling profiling profiling walking pole bracket round 21 sleeve 22 set screws 23 profiling legislation walking stick walking round vertical shaft 24, Block 25 profiling profiling profiling wheel 26 ball 27, Block 28 walking pole pole profiling profiling scroll 29 sets of 30 fixed wing contour strut assembly 31 before welding torch assembly 32 skateboards 33 profiling wire basket rack plate 34 combined 35 skateboard 36 after lifting motor 37 chain motors 38 wire feed motor 39 screw 40 first screw nut 42 screw mounts 41 front chain slide rail 43, Block 44 second electrical wire bumper bracket 45 seat lift motor sprocket 46 47 Lever 48 chain spring connector 49 spring 50 spring chain connecting rod 51 proximity switch post 52 chain adjustment stud 55 53 slot 54 cam plate 56 first round of 57 second to send the wire feed wire wheel wire wheel 58 pressure regulating handle 59 dynamic pressure wire wheels 60 sets of 61 wire feed motor insulation voltage wire wheel maw pressure plate 62 is conductive rod 63 wire handle shaft 64 on the slider 65 former skateboard skateboarding down before the linear guide 67 on the slider 66 first thyristor SCR automatic submerged arc welding machine 68 second automatic submerged arc welding machine 69 first hopper 70 second hopper 71 first solder flux Stacker Stacker 73 72 power control box 74 mechanical control box 75 wire 76 electrical control box 77 first transverse horizontal bottom end of rod 78 second pivot lever 79 pole 80 81 82 Constant pressure adjusting screw wire wheels....

The specific embodiment

As shown in Figure 3 and Figure 4, bridge-type automatic welding machine described in the utility model, comprise bridge support, bridge support comprises left column 12 and right column 13, crossbeam 1 before installing between left column 12 and the right column 13, left column 12 is connected with an end of second sill cross bar 78, right column 13 is connected with an end of first sill cross bar 77, on first sill cross bar 77 and second sill cross bar 78 road wheel is installed all, on first sill cross bar 77 and second sill cross bar 78 vertical rod 79 is installed respectively, a lathe bed support 7 is respectively installed in the upper end of two vertical rods 79, one end of two lathe bed supports 7 is connected with right column 13 with left column 12 respectively, two lower braces 11 are installed between two lathe bed supports 7, several support bars are installed between two lower braces 11, two lathe bed supports 7, two lower braces 11 and several support bar connect and compose article carrying platform, and article carrying platform is in order to install and fix the first solder flux collecting machine 71, the first controllable silicon automatic submerged arc welding machine 67, the solder flux collecting machine 72 and the second controllable silicon automatic submerged arc welding machine 68; One cover profiling welding mechanism is installed on the preceding crossbeam 1, this profiling welding mechanism concrete structure is: line slideway 66 and following line slideway 14 are set on the preceding crossbeam 1, the movable tail skid 35 of installing on last line slideway 66 and the following line slideway 14, the tail skid 35 anterior leading screws 39 of installing, leading screw 39 is connected with leading screw 39 with the first leading screw holder 40 by the second leading screw holder 44, one end of leading screw 39 is connected with the output shaft of lifting motor 36, lifting motor 36 is connected and fixed by lifting motor cabinet 46 and tail skid 35, feed screw nut 41 is installed on the leading screw 39, feed screw nut 41 is connected with front slide 32, front slide guide rail 42 is set on the tail skid 35, the movable front slide top shoe 64 of installing on the front slide guide rail 42, front slide top shoe 64 is connected with front slide 32; For guaranteeing that the front and back slide plate slides relatively accurately, stablizes, can on front slide guide rail 42, activity be installed by front slide sliding block 65.Feed screw nut 41, front slide guide rail 42, front slide 32, tail skid 35 and leading screw 39 connect and compose screw-nut structure, can regulate the high and low position of front slide 32 by the rotating of regulating leading screw 39; Wire feed basket combination 34, welding gun assembly 31 and wing plate profiling pole assembly 30 are installed on the front slide 32; Chain motor 37 is installed at tail skid 35 rear portions, the output shaft of chain motor 37 is connected with sprocket wheel 45, mounting spring chain control device on the left column 12, spring chain control device concrete structure is: left spring pipe 2 is installed on the left column 12, offer groove 53 on the sidewall of left spring pipe 2, pull bar 47 is installed in the left spring pipe 2, one end of pull bar 47 is connected with left column 12, the other end of pull bar 47 is connected with spring 49, the other end of spring 49 is connected with spring chain connecting rod 50, install on the spring chain connecting rod 50 near switch column 51, pass outside the left spring pipe 2 by groove 53 near an end of switch column 51; With left column 12 symmetries one sleeve spring chain control device is installed on the right column 13, the spring chain control device of installing on the structure of this device and the left column 12 is identical, its concrete structure is: right bourdon tube 3 is installed on the right column 13, the structure of right bourdon tube 3 is identical with left spring pipe 2, the control device that connects and composes by pull bar 47, spring 49, spring chain connecting rod 50, near switch column 51 also is installed in the right bourdon tube 3, between two spring chain connecting rods 50 in left spring pipe 2 and the right bourdon tube 3 chain 52 is installed, chain 52 and sprocket wheel 45 engagements; During welding, because the weld seam of weldment is not a straight line, therefore, tail skid 35 can or move right along a preceding crossbeam 1 or a left side in welding process, can move by sprocket wheel 45 pulling chains 52 when tail skid 35 moves, after chain 52 moves, chain motor 37 gets signal and rotates, and tail skid 35 is resetted.For ease of being connected of spring 49 and spring chain connecting rod 50 and pull bar 47, chain spring connector 48 can be installed respectively at spring 49 two ends, spring 49 is connected with pull bar 47 with spring chain connecting rod 50 by chain spring connector 48.As shown in Figure 7, two front slide guide rails 42 are set on the tail skid 35, article two, front slide guide rail 42 lays respectively at leading screw 39 both sides, and two front slide guide rails 42 are connected with the slide block of front slide 32 respectively, makes the relative motion of 35 of front slide 32 and tail skids accurate more, stable.The end that pull bar 47 is connected with 12 is installed and is adjusted double-screw bolt 54, by regulating the pretightning force of adjusting double-screw bolt 54 adjustable springs 49.

As shown in Figure 1, Figure 2, Figure 3 and Figure 4, for being convenient for people to install and fix equipment such as the first controllable silicon automatic submerged arc welding machine 67, the first solder flux collecting machine 71, solder flux collecting machine 72 and the second controllable silicon automatic submerged arc welding machine 68, guardrail 9 can be installed above two lathe bed supports 7 and two lower braces 11, and, ladder 10 is installed between a lathe bed support 7 and second sill cross bar 78.

As Fig. 9 and shown in Figure 10, wing plate profiling pole assembly 30 is by profiling vertical rod fixed cover 29, profiling vertical shaft 28, profiling walking vertical rod seat 27, profiling support 17, regulating handle 18, wing plate profiling support 19, rotating shaft 80, wing plate profiling rack wheel 20, profiling walking vertical rod axle sleeve 21, profiling walking wheel seat 24, contour wheel 25 and profiling vertical rod walking vertical shaft 23 connect and compose, profiling vertical rod fixed cover 29 is connected with front slide 32, profiling vertical shaft 28 is installed in the profiling vertical rod fixed cover 29, install on the profiling vertical rod fixed cover 29 and regulate bolt 81, regulating bolt 81 contacts with profiling vertical shaft 28, profiling vertical shaft 28 profiling vertical rod fixed cover 29 relatively moves up and down, to adjust height, after the height of profiling vertical shaft 28 is regulated and is finished, screw and regulate bolt 81 fixed-site of profiling vertical shaft 28 with profiling vertical rod fixed cover 29, profiling walking vertical rod seat 27 is installed in profiling vertical shaft 28 bottoms, profiling walking vertical rod axle sleeve 21 is installed on the profiling walking vertical rod seat 27, in the profiling walking vertical rod axle sleeve 21 profiling vertical rod walking vertical shaft 23 is installed, profiling vertical rod walking vertical shaft 23 is connected with profiling walking wheel seat 24, on the profiling walking wheel seat 24 contour wheel 25 is installed; Frictional resistance when rotating with profiling walking vertical rod axle sleeve 21 for reducing profiling vertical rod walking vertical shaft 23, guarantee that profiling vertical rod walking vertical shaft 23 rotates rotation flexibly, steel ball 26 can be installed in vertical rod axle sleeve 21 is walked in profiling, and steel ball 26 is positioned at profiling vertical rod walking vertical shaft 23 tops; Profiling support 17 is installed on the profiling vertical shaft 28, profiling support 17 is connected with wing plate profiling support 19 by rotating shaft 80, wing plate profiling rack wheel 20 is installed in the lower end of wing plate profiling support 19, regulating handle 18, the last end in contact of an end of regulating handle 18 and wing plate profiling support 19 are installed on the profiling support 17; By rotating regulating handle 18, wing plate profiling support 19 80 is rotated around the shaft, make wing plate profiling support 19 and profiling vertical shaft 28 form certain angle, thereby can guarantee the high accuracy of profiling welding.

As Figure 11 and shown in Figure 12, welding gun assembly 31 is by gauge finder 55, first wire feed rolls 56, second wire feed rolls 57, silk pressing wheel fish maw plate 61, dynamic pressure silk wheel 59, wire feeding motor insulation sleeve 60, silk pressing wheel regulating handle 58 and conducting rod 62 connect and compose, first wire feed rolls 56 and second wire feed rolls 57 are installed in the top of gauge finder 55, silk pressing wheel fish maw plate 61 is installed at the middle part of gauge finder 55, one end and the gauge finder 55 of silk pressing wheel fish maw plate 61 are hinged, silk pressing wheel regulating handle 58 is installed on the gauge finder 55, silk pressing wheel regulating handle 58 contacts with the other end of silk pressing wheel fish maw plate 61, on the silk pressing wheel fish maw plate 61 dynamic pressure silk wheel 59 is installed, level pressure silk wheel 82 is installed on the gauge finder 55, and conducting rod 62 is installed in the bottom of gauge finder 55.For preventing to weld time electric leakage, can wire feeding motor insulation sleeve 60 be set in the wheel shaft periphery of level pressure silk wheel 82, wire feeding motor insulation sleeve 60 is connected with gauge finder 55.When welding wire 75 is installed, can regulate silk pressing wheel regulating handle 58, make the spacing of 82 on dynamic pressure silk wheel 59 and level pressure silk wheel become big, make by the welding wire 75 that involves in the wire feed basket combination 34 can pass between first wire feed rolls 56 and second wire feed rolls 57 successively, between level pressure silk wheel 82 and the dynamic pressure silk wheel 59, finally by passing in the conducting rod 62.The axle of level pressure silk wheel 82 is connected with wire feeding motor 38, is driving wheel, the feed speed of level pressure silk wheel 82 control welding wires 75.

As depicted in figs. 1 and 2, install stull 4 between left column 12 and the right column 13, last stull 4 is positioned at preceding crossbeam 1 top, in the last stull 4 front hopper connecting plate 6 is set, front hopper connecting plate 6 is connected with second hopper 70, the second controllable silicon automatic submerged arc welding machine 68 and solder flux collecting machine 72 are installed on the bridge support, power controling box 73 and parts control cabinet 74 are installed on the right column 13, electric control box 76 is installed on second sill cross bar 78, and electric control box 76, power controling box 73 and parts control cabinet 74 can be controlled the course of work of whole welding machine.

For improving welding efficiency, identical another set of profiling welding mechanism also can be installed except that above-mentioned profiling welding mechanism on the bridge support, concrete structure is: back crossbeam 8 is installed between left column 12 and the right column 13, line slideway 66 and following line slideway 14 are set on the back crossbeam 8, last line slideway 66 and the following line slideway 14 movable tail skids 35 of installing, the tail skid 35 anterior leading screws 39 of installing, one end of leading screw 39 is connected with the output shaft of lifting motor 36, feed screw nut 41 is installed on the leading screw 39, feed screw nut 41 is connected with front slide 32, front slide guide rail 42 is installed on the tail skid 35, the movable front slide top shoe 64 of installing on the front slide guide rail 42, front slide top shoe 64 is connected with front slide 32, wire feed basket combination 34 is installed on the front slide 32, welding gun assembly 31 and wing plate profiling pole assembly 30, chain motor 37 is installed at tail skid 35 rear portions, the output shaft of chain motor 37 is connected with sprocket wheel 45, left spring pipe 2 is installed on the left column 12, offer groove 53 on the sidewall of left spring pipe 2, pull bar 47 is installed in the left spring pipe 2, one end of pull bar 47 is connected with left column 12, the other end of pull bar 47 is connected with spring 49, the other end of spring 49 is connected with spring chain connecting rod 50, install on the spring chain connecting rod 50 near switch column 51, end near switch column 51 is passed outside the left spring pipe 2 by groove 53, right bourdon tube 3 is installed on the right column 13, the structure of right bourdon tube 3 is identical with left spring pipe 2, be equipped with another set of in the right bourdon tube 3 by pull bar 47, spring 49, spring chain connecting rod 50, the control device that connects and composes near switch column 51, between two spring chain connecting rods 50 in left spring pipe 2 and the right bourdon tube 3 chain 52 is installed, chain 52 and sprocket wheel 45 engagements.The profiling welding mechanism structure of installing on profiling welding mechanism of installing on the back crossbeam 8 and the preceding crossbeam 1 is identical, and just symmetry is installed before and after the two cover profiling welding mechanisms.

For make with back crossbeam 8 on the supporting use of profiling welding mechanism of installing, guarantee the profiling welding mechanism operate as normal on the crossbeam 8 of back, the first controllable silicon automatic submerged arc welding machine 67 and the first solder flux collecting machine 71 can be installed on bridge support, stull 4 on another root is installed between left column 12 and the right column 13, in the last stull 4 rear hopper connecting plate 5 is set, first hopper 69 is installed on the rear hopper connecting plate 5.

As depicted in figs. 1 and 2, first movable motor 15 can be installed on the left column 12, second movable motor 16 can be installed on the right column 13, first movable motor 15 and second movable motor 16 are connected with the road wheel installed on left column 12 and the right column 13 respectively, first movable motor 15 and second movable motor 16 provide the power of rotation for the road wheel on left column 12 and the right column 13, thereby can make the bridge support can be along the guide rail front-rear reciprocation movement of its underpart.

The utility model not technology contents of detailed description is known technology.

Claims

1, the bridge-type automatic welding machine, it is characterized in that: comprise bridge support, bridge support comprises left column (12) and right column (13), crossbeam (1) before installing between left column (12) and the right column (13), left column (12) is connected with an end of second sill cross bar (78), right column (13) is connected with an end of first sill cross bar (77), on first sill cross bar (77) and second sill cross bar (78) road wheel is installed all, on first sill cross bar (77) and second sill cross bar (78) vertical rod (79) is installed respectively, a lathe bed support (7) is respectively installed in the upper end of two vertical rods (79), one end of two lathe bed supports (7) is connected with right column (13) with left column (12) respectively, two lower braces (11) are installed between two lathe bed supports (7), several support bars are installed between two lower braces (11), on the preceding crossbeam (1) line slideway (66) and following line slideway (14) are set, last line slideway (66) and following line slideway (14) are gone up the movable tail skid (35) of installing, the anterior leading screw (39) of installing of tail skid (35), one end of leading screw (39) is connected with the output shaft of lifting motor (36), leading screw (39) is gone up feed screw nut (41) is installed, feed screw nut (41) is connected with front slide (32), front slide guide rail (42) is set on the tail skid (35), front slide guide rail (42) is gone up the movable front slide top shoe (64) of installing, front slide top shoe (64) is connected with front slide (32), front slide (32) is gone up wire feed basket combination (34) is installed, welding gun assembly (31) and wing plate profiling pole assembly (30), chain motor (37) is installed at tail skid (35) rear portion, the output shaft of chain motor (37) is connected with sprocket wheel (45), left column (12) is gone up left spring pipe (2) is installed, offer groove (53) on the sidewall of left spring pipe (2), pull bar (47) is installed in the left spring pipe (2), one end of pull bar (47) is connected with left column (12), the other end of pull bar (47) is connected with an end of spring (49), the other end of spring (49) is connected with spring chain connecting rod (50), spring chain connecting rod (50) is gone up and is installed near switch column (51), end near switch column (51) is passed outside the left spring pipe (2) by groove (53), right column (13) is gone up right bourdon tube (3) is installed, the structure of right bourdon tube (3) is identical with left spring pipe (2), be equipped with another set of in the right bourdon tube (3) by pull bar (47), spring (49), spring chain connecting rod (50), the control device that connects and composes near switch column (51), between two spring chain connecting rods (50) in left spring pipe (2) and the right bourdon tube (3) chain (52) is installed, chain (52) and sprocket wheel (45) engagement.

2, bridge-type automatic welding machine according to claim 1 is characterized in that: guardrail (9) is installed in the top of two lathe bed supports (7) and two lower braces (11), between lathe bed support (7) and second sill cross bar (78) ladder (10) is installed.

3, bridge-type automatic welding machine according to claim 1 and 2, it is characterized in that: wing plate profiling pole assembly (30) is by profiling vertical rod fixed cover (29), profiling vertical shaft (28), profiling walking vertical rod seat (27), profiling support (17), regulating handle (18), wing plate profiling support (19), rotating shaft (80), wing plate profiling rack wheel (20), profiling walking vertical rod axle sleeve (21), profiling walking wheel seat (24), contour wheel (25) and profiling vertical rod walking vertical shaft (23) connect and compose, profiling vertical rod fixed cover (29) is connected with front slide (32), profiling vertical shaft (28) is installed in the profiling vertical rod fixed cover (29), profiling vertical rod fixed cover (29) is gone up to install and is regulated bolt (81), regulating bolt (81) contacts with profiling vertical shaft (28), profiling walking vertical rod seat (27) is installed in profiling vertical shaft (28) bottom, profiling walking vertical rod seat (27) is gone up profiling walking vertical rod axle sleeve (21) is installed, profiling vertical rod walking vertical shaft (23) is installed in the profiling walking vertical rod axle sleeve (21), profiling vertical rod walking vertical shaft (23) is connected with profiling walking wheel seat (24), profiling walking wheel seat (24) is gone up contour wheel (25) is installed, profiling vertical shaft (28) is gone up profiling support (17) is installed, profiling support (17) is connected with wing plate profiling support (19) by rotating shaft (80), wing plate profiling rack wheel (20) is installed in the lower end of wing plate profiling support (19), profiling support (17) is gone up regulating handle (18), the last end in contact of an end of regulating handle (18) and wing plate profiling support (19) is installed.

4, bridge-type automatic welding machine according to claim 3, it is characterized in that: welding gun assembly (31) is by gauge finder (55), first wire feed rolls (56), second wire feed rolls (57), silk pressing wheel fish maw plate (61), dynamic pressure silk wheel (59), wire feeding motor insulation sleeve (60), silk pressing wheel regulating handle (58) and conducting rod (62) connect and compose, first wire feed rolls (56) and second wire feed rolls (57) are installed in the top of gauge finder (55), silk pressing wheel fish maw plate (61) is installed at the middle part of gauge finder (55), one end of silk pressing wheel fish maw plate (61) and gauge finder (55) are hinged, gauge finder (55) is gone up silk pressing wheel regulating handle (58) is installed, silk pressing wheel regulating handle (58) contacts with the other end of silk pressing wheel fish maw plate (61), silk pressing wheel fish maw plate (61) is gone up dynamic pressure silk wheel (59) is installed, gauge finder (55) is gone up level pressure silk wheel (82) is installed, and conducting rod (62) is installed in the bottom of gauge finder (55).

5, bridge-type automatic welding machine according to claim 1 and 2, it is characterized in that: install stull (4) between left column (12) and the right column (13), last stull (4) is positioned at preceding crossbeam (1) top, front hopper connecting plate (6) is set in the last stull (4), front hopper connecting plate (6) is connected with second hopper (70), the second controllable silicon automatic submerged arc welding machine (68) and solder flux collecting machine (72) are installed on the bridge support, and right column (13) is gone up power controling box (73) and parts control cabinet (74) is installed.

6, bridge-type automatic welding machine according to claim 1 and 2, it is characterized in that: back crossbeam (8) is installed between left column (12) and the right column (13), line slideway (66) and following line slideway (14) are set on the back crossbeam (8), the movable tail skid (35) of installing of last line slideway (66) and following line slideway (14), the anterior leading screw (39) of installing of tail skid (35), one end of leading screw (39) is connected with the output shaft of lifting motor (36), leading screw (39) is gone up feed screw nut (41) is installed, feed screw nut (41) is connected with front slide (32), tail skid (35) is gone up front slide guide rail (42) is installed, front slide guide rail (42) is gone up the movable front slide top shoe (64) of installing, front slide top shoe (64) is connected with front slide (32), front slide (32) is gone up wire feed basket combination (34) is installed, welding gun assembly (31) and wing plate profiling pole assembly (30), chain motor (37) is installed at tail skid (35) rear portion, the output shaft of chain motor (37) is connected with sprocket wheel (45), left column (12) is gone up left spring pipe (2) is installed, offer groove (53) on the sidewall of left spring pipe (2), pull bar (47) is installed in the left spring pipe (2), one end of pull bar (47) is connected with left column (12), the other end of pull bar (47) is connected with spring (49), the other end of spring (49) is connected with spring chain connecting rod (50), spring chain connecting rod (50) is gone up and is installed near switch column (51), end near switch column (51) is passed outside the left spring pipe (2) by groove (53), right column (13) is gone up right bourdon tube (3) is installed, the structure of right bourdon tube (3) is identical with left spring pipe (2), be equipped with another set of in the right bourdon tube (3) by pull bar (47), spring (49), spring chain connecting rod (50), the control device that connects and composes near switch column (51), between two spring chain connecting rods (50) in left spring pipe (2) and the right bourdon tube (3) chain (52) is installed, chain (52) and sprocket wheel (45) engagement.

7, bridge-type automatic welding machine according to claim 6, it is characterized in that: the first controllable silicon automatic submerged arc welding machine (67) and the first solder flux collecting machine (71) are installed on the bridge support, stull (4) on another root is installed between left column (12) and the right column (13), rear hopper connecting plate (5) is set in the last stull (4), and rear hopper connecting plate (5) is gone up first hopper (69) is installed.

8, bridge-type automatic welding machine according to claim 1 and 2, it is characterized in that: left column (12) is gone up first movable motor (15) is installed, right column (13) is gone up second movable motor (16) is installed, and first movable motor (15) is gone up the road wheel of installing with left column (12) and right column (13) respectively with second movable motor (16) and is connected.