Summary of the invention
Purpose of the present invention, be to provide a kind of tank body circular seam welding machine, and it is equipped with liftable operating platform, for more convenient operating personnel's weld job provides, can realize welding and controlling accurately, improve efficiency and the precision of welding, thereby, can solve the problem that prior art exists.
The objective of the invention is to be achieved through the following technical solutions: tank body circular seam welding machine, comprise frame, elevating mechanism is installed on frame, hoistable platform is installed on elevating mechanism, hoistable platform coordinates with the frame activity; Installment work platform hoisting mechanism on hoistable platform, fitting operation platform on the workbench hoisting mechanism; The first cross slide way laterally is installed on hoistable platform, the first slide block is installed on the first cross slide way, on the first slide block, fixed glides is installed, fixed glides is provided with vertical guide, vertical slide block is installed on vertical guide, on vertical slide block, vertical slide plate is installed, vertical slide plate is installed welding mechanism, installation shaft on vertical slide plate, welding tractor is installed on axle, feeler mechanism is installed on welding tractor, and the first follow an example wheel, second follow an example wheel and contour wheel driving mechanism installed in the bottom of welding tractor, and contour wheel driving mechanism and first is followed an example and taken turns or second follow an example to take turns and be connected.
For further realizing purpose of the present invention, can also realize by the following technical solutions: frame is provided with rolling wheel guide rails, and roller is installed on hoistable platform, and roller coordinates with rolling wheel guide rails.Described elevating mechanism comprises driving shaft, the first driving shaft, the second driving shaft, the first driven shaft and the second driven shaft, driving shaft, the first driving shaft and the second driving shaft are installed on a side of frame, the first drive sprocket and the second drive sprocket are installed on driving shaft, first time drive sprocket of installation and the first drive sprocket on the first driving shaft, the second drive sprocket and second time drive sprocket are installed on the second driving shaft, the second chain is installed between the second drive sprocket and the second drive sprocket, the first chain is installed between the first drive sprocket and the first drive sprocket; The first driven shaft and the second driven shaft are installed on the opposite side of frame, and first time driven sprocket is installed on the first driven shaft, and second time driven sprocket is installed on the second driven shaft; The first through shaft and the second through shaft are installed on frame, and drive sprocket on driven sprocket and first is installed respectively on first at the two ends of the first through shaft, and drive sprocket on driven sprocket sprocket wheel and second is installed respectively on second at the two ends of the second through shaft; Between driven sprocket sprocket wheel and second time driven sprocket, the 6th chain is installed on second, between driven sprocket and first time driven sprocket, the 4th chain is installed on first, the 3rd chain is installed between drive sprocket on first time drive sprocket and first, on second time drive sprocket and second, between drive sprocket, the 5th chain is installed; Drive motors is installed on frame, and the output shaft of drive motors is connected with driving shaft; The 4th chain, the 3rd chain, the 6th chain and the 5th chain are connected with hoistable platform by connector respectively.Described workbench hoisting mechanism comprises two lift units, and two lift units lay respectively at the both sides of frame; Lift unit is connected and composed by holder, gear shaft, montant, gear and synchronous sprocket wheel, montant and gear are installed in holder, and montant is provided with tooth bar, the rack and pinion engagement, gear is connected with gear shaft, and an end of gear shaft stretches out holder synchronous sprocket wheel is installed outward; Lifting motor is installed on hoistable platform, and the output shaft of lifting motor is connected with the other end of the gear shaft of one of them lift unit; Fitting operation platform between the montant of two lift units; Between the synchronous sprocket wheel of two lift units, synchronization chain is installed.Described feeler mechanism is connected and composed by first sensor, tablet and the second sensor, and tablet is fixedly connected with welding tractor, on vertical slide plate, first sensor and the second sensor is installed, and first sensor and the second sensor are positioned at the both sides of tablet.On vertical slide plate, fixed block is installed, is offered groove on fixed block, tablet is positioned at groove, the both sides of fixed block are respectively installed one and are adjusted bolt, adjust bolt and are threaded with fixed block, adjust on bolt for every a spring is installed, spring is positioned at groove, and is positioned at the tablet both sides.The bottom mounting bracket walking mechanism of frame.Crossbeam is installed on workpiece, and crossbeam is fixedly connected with the first cross slide way, and the second cross slide way is installed on crossbeam, and the second slide block is installed on the second cross slide way, and the second slide block is fixedly connected with fixed glides.
Good effect of the present invention is: it has liftable operating platform, and handled easily personnel weld job can effectively improve welding efficiency and precision, improves the welding quality of tank body.In addition, it can be equipped with the elevating mechanism of synchronization lifting, can guarantee the two ends synchronization lifting of its hoistable platform and operating platform, significantly improves the tank body circular seam welding machine security performance.It also is equipped with feeler mechanism, can realize weld joint tracking, can realize the high speed accurate welding, further improves welding efficiency and the welding quality of welding machine.The present invention also has advantages of compactness simple for structure, cheap for manufacturing cost and easy to use.
The specific embodiment
Tank body circular seam welding machine of the present invention, comprise frame 5, on frame 5, elevating mechanism is installed, hoistable platform 43 is installed on elevating mechanism, hoistable platform 43 is slidably matched with frame 5,5 pairs of hoistable platforms 43 of frame play the guiding role, guarantee hoistable platform 43 can be under the drive of elevating mechanism vertical lifting; Installment work platform hoisting mechanism on hoistable platform 43, fitting operation platform 6 on the workbench hoisting mechanism, operating platform 6 can be under the drive of workbench hoisting mechanism hoistable platform 43 liftings relatively; Laterally install on the first cross slide way 42, the first cross slide waies 42 on hoistable platform 43 to install on the first slide block 41, the first slide blocks 41 fixed glides 39 is installed, fixed glides 39 can relative the first cross slide way 42 transverse shiftings.Fixed glides 39 is provided with vertical guide 38, vertical slide block 44 is installed on vertical guide 38, on vertical slide block 44, vertical slide plate 14 is installed, vertical slide plate 14 is installed welding mechanism, installation shaft 52 on vertical slide plate 14, install welding tractor 13 on axle 52, on welding tractor 13, feeler mechanism is installed, the first follow an example wheel 26, second follow an example wheel 31 and contour wheel driving mechanism 53 installed in the bottom of welding tractor 13, and contour wheel driving mechanism 53 and first wheel 26 or second of following an example is followed an example and taken turns 31 and be connected.
Contour wheel driving mechanism 53 can be motor or hydraulic motor, gear or drive are installed on its output shaft, first wheel 26 and second wheel of following an example of following an example can be installed respectively and contour wheel driving mechanism 53 respective gears or drive on 31, be connected with gear or the drive installed on contour wheel driving mechanism 53 output shafts by gear or driving-belt, thereby obtain walking power.Described welding mechanism can be recorded in China and apply for, notification number: CN1672848, the day for announcing: on September 28th, 2005, name is called the welding mechanism in automatic welding machine for annular seam in specially shaped tank, can be also welding mechanism or welder on the welder such as existing gantry welding.
As shown in Figure 13 and Figure 14, described feeler mechanism is connected and composed by first sensor 15, tablet 16 and the second sensor 17, tablet 16 is fixedly connected with welding tractor 13, on vertical slide plate 14, first sensor 15 and the second sensor 17 are installed, first sensor 15 and the second sensor 17 are positioned at the both sides of tablet 16.Described first sensor 15 and the second sensor 17 can be approach switchs.
For making to reset rapidly after tablet 16 skews, to improve the precision of profiling welding, as shown in Figure 13 and Figure 14, on vertical slide plate 14, fixed block 61 is installed, is offered groove 62 on fixed block 61, tablet 16 is positioned at groove 62, the both sides of fixed block 61 are respectively installed one and are adjusted bolt 19, adjust bolt 19 and are threaded with fixed block 61, adjust on bolt 19 for every a spring 18 is installed, spring 18 is positioned at groove 62, and is positioned at tablet 16 both sides.Adjust the elastic force of bolt 19 capable of regulating springs 18, in order to adjust the speed that tablet 16 resets.
During welding, first wheel 26 and second wheel of following an example of following an example 31 is fitted in workpiece 4 surfaces, first follow an example the wheel 26 and second follow an example the wheel 31 under the driving of contour wheel driving mechanism 53, start the rotation, drive vertical slide plate 14 and the welding gun mechanism weld movement along workpiece 4 surfaces, drive fixed glides fixed glides 39 simultaneously and do horizontal rectilinear motion along cross slide way.When first wheel 26 and second of following an example is followed an example wheel 31 while running to the part of workpiece 4 surface irregularities, welding tractor 13 can drive vertical slide plate 14 along vertical guide 38 rectilinear motion up or down under the effect of workpiece 4, in the process that vertical slide plate 14 vertically moves, first wheel 26 or second wheel of following an example of following an example 31 can leave workpiece 4 surfaces, make welding tractor 13 be forced to run-off the straight so that first wheel 26 and second of following an example is followed an example wheel 31 again simultaneously and workpiece 4 surface laminatings, thereby make tablet 16 meetings near first sensor 15 or the second sensor 17, first sensor 15 or the second sensor 17 provide signal to control device, control device can make Workpiece rotating device 32 drive workpiece 4 rotate to an angle forward or backwards, until workpiece 4 rotation stops to making tablet 16 leave after first sensor 15 or the second sensor 17 are replied first sensor 15 and the second sensor 17 centre positions again, follow an example wheel 26 and second while following an example wheel 31 when the surface that workpiece 4 has a concavo-convex variation goes to first again, repeat said process, until welding finishes.After welding finishes, spring 18 can make tablet 16 be reset to the centre position of first sensor 15 and the second sensor 17.In welding process, the height of the hoistable platform of the height of adjusting operation platform 6 relative hoistable platforms 43, or adjustment as required 43 relative workpiece 4, to reach best welding and to control efficiency, improve welding precision.Described control device can be to be installed on the outer existing programmable control units such as computer, electric cabinet, Programmable Logic Controller or industrial computer of described bonding machine.
For reducing the friction between frame 5 and hoistable platform 43, as shown in Fig. 3 and Figure 20, frame 5 is provided with rolling wheel guide rails 25, and roller 24 is installed on hoistable platform 43, and roller 24 coordinates with rolling wheel guide rails 25.As shown in Fig. 1 and Figure 19, can respectively be provided with a rolling wheel guide rails 25 on four root posts of frame 5, a roller 24 is respectively installed at four jiaos of places of hoistable platform 43, and roller 24 and rolling wheel guide rails 25 be corresponding matching one by one.
As shown in Fig. 5 to Figure 13, described elevating mechanism comprises driving shaft 36, the first driving shaft 29, the second driving shaft 50, the first driven shaft 1 and the second driven shaft 54, driving shaft 36, the first driving shaft 29 and the second driving shaft 50 are installed on a side of frame 5, the first drive sprocket 47 and the second drive sprocket 35 are installed on driving shaft 36, first time drive sprocket 28 of installation and the first drive sprocket 30 on the first driving shaft 29, the second drive sprocket 48 and second time drive sprocket 49 are installed on the second driving shaft 50, the second chain 37 is installed between the second drive sprocket 48 and the second drive sprocket 35, the first chain 34 is installed between the first drive sprocket 47 and the first drive sprocket 30, the first driven shaft 1 and the second driven shaft 54 are installed on the opposite side of frame 5, install on the first driven shaft 1 on first time driven sprocket 2, the second driven shaft 54 second time driven sprocket 56 is installed, the first through shaft 12 and the second through shaft 55 are installed on frame 5.The first through shaft 12 and the second through shaft 55 can be positioned at the top of drive motors 27, also can be positioned at the below of drive motors 27, but learn through a large amount of installation and debugging experiments, as shown in Figure 6 and Figure 7, when the first through shaft 12 and the second through shaft 55 are positioned at drive motors 27 top, can reduce the difficulty of whole bonding machine assembling, and, also can more effectively the load weight of hoistable platform 43 of the first through shaft 12 and the second through shaft 55, make bonding machine overall operation safety and stability more.The two ends of the first through shaft 12 are installed respectively on first on driven sprocket 9 and first two ends of drive sprocket 22, the second through shafts 55 drive sprocket 59 on driven sprocket sprocket wheel 58 and second are installed respectively on second; Between driven sprocket sprocket wheel 58 and second time driven sprocket 56, the 6th chain 57 is installed on second, between driven sprocket 9 and first time driven sprocket 2, the 4th chain 3 is installed on first, install between drive sprocket 22 on first time drive sprocket 28 and first on 23, the second times drive sprockets 49 of the 3rd chain and second the 5th chain 60 is installed between drive sprocket 59; Drive motors 27 is installed on frame 5, and the output shaft of drive motors 27 is connected with driving shaft 36; The 4th chain 3, the 3rd chain 23, the 6th chain 57 are connected with hoistable platform 43 by connector 21 respectively with the 5th chain 60, for hoistable platform 43 provides lifting drive.
The operation principle of elevating mechanism: drive motors 27 drives driving shaft 36 and rotates, and is whole elevating mechanism input power.Driving shaft 36 drives the first drive sprocket 30 by the first chain 34 and the second chain 37 respectively and the second drive sprocket 48 rotates.The first drive sprocket 30 drives the first through shafts 12 by drive sprocket 22 on the first driving shaft 29, first time drive sprocket 28, the 3rd chain 23 and first successively and rotates, and the first through shaft 12 drives the first driven shafts 1 by driven sprocket 9, the 4th chain 3 and first time driven sprocket 2 on first successively and rotates; The second drive sprocket 48 drives the second through shafts 55 by drive sprocket 59 on the second driving shaft 50, second time drive sprocket 49, the 5th chain 60 and second successively and rotates, and the second through shaft 55 drives the second driven shafts 54 by driven sprocket sprocket wheel 58, the 6th chain 57 and second time driven sprocket 56 on second successively and rotates.The purpose of elevating mechanism is to realize being synchronized with the movement of the 4th chain 3, the 3rd chain 23, the 6th chain 57 and the 5th chain 60, thereby guarantees that hoistable platform 43 can run-off the straight in lifting process.Two sprocket wheels that connected by a sprocket wheel in elevating mechanism form a gear unit.Realizing that single power source input makes under the prerequisite of synchronous fortune of the 4th chain 3, the 3rd chain 23, the 6th chain 57 and the 5th chain 60, each gear unit in elevating mechanism also can be substituted by existing transmission mechanisms such as gear drives.But, because the volume of frame 5 is larger, employing sprocket chain strip transmission mechanism is this can realize that the mechanism of remote synchronous transmission is more suitable, is conducive to simplify the structure of described bonding machine.Drive motors 27 can be hydraulic motor or existing other power set.
As shown in FIG. 15 to 18, described workbench hoisting mechanism comprises two lift units, and two lift units lay respectively at the both sides of frame 5; Lift unit is connected and composed by holder 45, gear shaft 46, montant 7, gear 51 and synchronous sprocket wheel 8, the interior installation montant 7 of holder 45 and gear 51, montant 7 can vertically move relative to holder 45,45 pairs of montants 7 of holder play the guiding role, montant 7 is provided with tooth bar, rack and pinion 51 engagements, gear 51 is connected with gear shaft 46, and an end of gear shaft 46 stretches out the outer installation synchronous sprocket wheel 8 of holder 45; Lifting motor 10 is installed on hoistable platform 43, and the output shaft of lifting motor 10 is connected with the other end of the gear shaft of one of them lift unit 46; Fixed installation operating platform 6 between the montant 7 of two lift units; Synchronization chain 11 is installed between the synchronous sprocket wheel 8 of two lift units.
The gear 51 that lifting motor 10 can pass through gear shaft 46, synchronous sprocket wheel 8 and two lift units of synchronization chain 11 drives synchronously rotates, thereby realizes synchronous rising or the decline of the montant 7 of two lift units, guarantees that operating platform 6 liftings are steady.
Steady for further guaranteeing operating platform 6 liftings, as shown in FIG. 15 to 18, can install set of gears 51, montant 7 and holder 45 in each lift unit additional, all be connected with gear shaft 46 with the gear 51 of unit, guarantee synchronous the rotation, thereby guarantee two montant 7 synchronization liftings of same unit.
Weld and control for further facilitating operating personnel, as shown in Fig. 6,7,16 and 20, be positioned at the welding mechanism both sides on hoistable platform 43 a set of workbench hoisting mechanism and operating platform 6 can respectively be installed.
Direction along the line for convenience of the relative workpiece 4 of described bonding machine moves forward and backward, as shown in Figure 1, and the bottom mounting bracket walking mechanism 33 of frame 5.
For making fixed glides 39 transverse shiftings more steady, improve welding precision, as shown in Fig. 3,6,7 and 20, crossbeam 63 is installed on workpiece 4, crossbeam 63 is fixedly connected with the first cross slide way 42, installation the second slide block 40, the second slide blocks 40 on the second cross slide way 20, the second cross slide waies 20 are installed on crossbeam 63 to be fixedly connected with fixed glides 39.The present invention not technology contents of detailed description is known technology.