CN102039468B - Automatic welding gun for tube-plate circumferential welding - Google Patents
Automatic welding gun for tube-plate circumferential welding Download PDFInfo
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- CN102039468B CN102039468B CN2009101107912A CN200910110791A CN102039468B CN 102039468 B CN102039468 B CN 102039468B CN 2009101107912 A CN2009101107912 A CN 2009101107912A CN 200910110791 A CN200910110791 A CN 200910110791A CN 102039468 B CN102039468 B CN 102039468B
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Abstract
The invention relates to an automatic welding gun for tube-plate circumferential welding. The automatic welding gun comprises a positioning mechanism, a driving mechanism, an adjustment fixed bracket, a circular fixed sleeve and a rotating sleeve, wherein the positioning mechanism is detachably fixed on the inner wall of a welded tube; the adjustment fixed bracket is provided with a welding gun; the positioning mechanism is arranged on the front end of the fixed sleeve, and the positioning mechanism and the fixed sleeve have the same central axis; the rotating sleeve is rotatably sheathed on the external surface of the rear part of the fixed sleeve, and the rotating sleeve and the fixed sleeve have the same central axis; one part of the driving mechanism is arranged on the external surface of the fixed sleeve, and the other part of the driving mechanism is arranged on the external surface of the rotating sleeve so as to drive the rotating sleeve to rotate around the coaxial line of the fixed sleeve; and the adjustment fixed bracket is arranged on the external surface of the rotating sleeve. The automatic welding gun can be accurately and quickly fixed on the inner wall of the welded tube, has the advantages of simple structure, high welding efficiency, high welding quality and the like, and is especially suitable for welding a thick-wall tube with a thick plate.
Description
[technical field]
The present invention relates to the gas flame welding, particularly the gas shielded arc welding of circumferential slots relates in particular to the automatic welding gun for pipe-plate circumference soldering.
[background technology]
The prior art automatic welding device comprises a kind of automatic welding gun for pipe-plate circumference soldering, is usually used in boiler industry.What prior art pipe-plate circumference soldering automatic welding gun adopted is argon arc welding, and welding efficiency is low, and molding effect is poor, and when especially the thickness of welding work pieces was thicker, welding efficiency was lower, and molding effect is poorer.
In described pipe-plate welding process, welding quality and the efficient of circumferential slots also depend on how automatic welding gun and weldment are located fast and accurately between pipe and the plate, and indented material is unsatisfactory.
[summary of the invention]
The technical problem to be solved in the present invention is to avoid above-mentioned the deficiencies in the prior art part and a kind of automatic welding gun for pipe-plate circumference soldering is provided, this automatic welding gun can be accurately and is fixed in rapidly welded pipe material inner wall, have the advantages such as simple in structure, that welding efficiency is high and weldquality is good, especially be fit to thick-wall tube with the welding of slab.
The technical scheme that the present invention solve the technical problem employing is:
A kind of automatic welding gun for pipe-plate circumference soldering is provided, comprises detent mechanism, the driving mechanism that is fixed in welded pipe material inner wall and the adjustment fixed mount that is provided with welding gun revocablely; This automatic welding gun also comprises circular fixed cover and turnbarrel; Described detent mechanism is arranged on described fixed cover front end, and with the same central axis of this fixed cover; Described turnbarrel is enclosed within the outer surface at described fixed cover rear portion rotationally, also with the same central axis of this fixed cover; A described driving mechanism part is arranged on the outer surface of described fixed cover, and another part is arranged on described turnbarrel outer surface and rotates around described fixed cover coaxial line to drive this turnbarrel; Described adjustment fixed mount is arranged on described turnbarrel outer surface; During work, be fixed in described welded pipe material inner wall by described detent mechanism, described driving mechanism drives described turnbarrel around the same axis rotation of described fixed cover, drive described adjustment fixed mount around the same axis rotation of described detent mechanism, thereby the welding gun that also drives on the described adjustment fixed mount is made circumference soldering along pipe-plate intersection.
Described detent mechanism comprises cylinder, columniform strut fixed axis and the tubular abutment sleeve slightly less than described welded pipe internal diameter, and N locating detent, a N locating detent hinge and N locating detent strut; Described strut fixed axis outer surface be provided with N/2 groove with the fulcrum through hole of the vertical perforation of corresponding respectively this groove; Described locating detent rear end is opened and is fork-shaped, making this locating detent rear end bifurcated is upper and lower two pages and breach, and these upper and lower two pages are provided with hinge vias, and described locating detent is provided with a groove from the front end to the rear end, this groove longitudinal section is "T"-shaped, comprises long nick and long chute; Described locating detent hinge front end opens and is fork-shaped, make this locating detent hinge front end also bifurcated be upper and lower two pages and breach, these upper and lower two pages are provided with hinge vias, described locating detent hinge rear end is provided with fixed via; Described locating detent strut front end is provided with slide bar, the centre is provided with the fulcrum through hole and the rear end is provided with hinge vias; Described tubular abutment sleeve is provided with the central through hole that holds described strut fixed axis, with and outer surface be provided with the N that holds described each locating detent groove that is interconnected and hold N groove of described each locating detent hinge, described tubular abutment sleeve outer surface also is provided with fixed via and the retaining thread hole with the vertical perforation of corresponding respectively this groove; Described cylinder is arranged in the described fixed cover front end centre bore, and described strut fixed axis is arranged on the piston rod of described cylinder; The activity of per two described locating detent strut intersections stacks in the groove of the described strut fixed axis of rear insertion outer surface, pass through to be arranged on behind the fulcrum through hole of described strut fixed axis and the fulcrum through hole in the middle of this two locating detents strut by the first bearing pin and form the first hinge fulcrum on the described strut fixed axis, the rear end of the front end of one of them described locating detent strut and another described locating detent strut is positioned at this groove the same side; Described strut fixed axis is positioned at the central through hole of described tubular abutment sleeve, stretch out in the breach of the described locating detent hinge of rear insertion front end from the groove of described tubular abutment sleeve the rear end of wherein said locating detent strut, and this locating detent hinge front end inserts in the breach of described locating detent rear end, pass through the hinge vias of described locating detent rear end by the second bearing pin, the hinge vias of the hinge vias of locating detent hinge front end and locating detent strut rear end is with described locating detent, locating detent hinge and locating detent strut are joined together to form the second hinge fulcrum, pass through by screw to be screwed in retaining thread hole corresponding to described tubular abutment sleeve behind the fixed via of fixed via corresponding to described tubular abutment sleeve and described locating detent hinge rear end this locating detent hinge and described tubular abutment sleeve are connected to form the 3rd hinge fulcrum, slide bar after described locating detent strut front end stretches out from the groove of described tubular abutment sleeve on it is positioned at the long chute of described locating detent, and can slide in the long chute of this locating detent; Described tubular abutment sleeve rear end is arranged on the cylinder body of described cylinder; Described fixed cover, cylinder, strut fixed axis and the same central axis of tubular abutment sleeve; N 〉=2 herein, and be even number.
Described locating detent, locating detent hinge and locating detent strut respectively are four, i.e. described N=4.
Described detent mechanism also comprises the first centralized positioning cover, this the first centralized positioning cover comprises the rear circular sleeve that is inserted in and is fixed on described fixed cover forward outer surface and connects with this circular sleeve and the front sleeve of concentricity axis that this front sleeve is inserted in and is fixed on the described tubular abutment sleeve external rear face; By described the first centralized positioning cover, can guarantee described fixed cover and the same central axis of tubular abutment sleeve.
Described detent mechanism also comprises the cylinder axis positioning sleeve, is fixed on the described fixed cover front end face after the central through hole of this cylinder axis positioning sleeve is inserted in and is fixed on the cylinder block outer surface; By described cylinder axis positioning sleeve, can guarantee the same central axis of described fixed cover and cylinder.
Described detent mechanism also comprises the second centralized positioning cover, this the second centralized positioning cover comprises the insertion section that is provided with central through hole and the fixed part that connects with this insertion section, the central through hole of described tubular abutment sleeve front end is inserted in this insertion section, central through hole on it is inserted in described strut fixed axis front end outer surface, and this fixed part is fixed on the front end face of described tubular abutment sleeve; By described the second centralized positioning cover, can guarantee described strut fixed axis and the same central axis of tubular abutment sleeve.
Described driving mechanism comprises and drives fixed cover, is fixed on the interior motor reduction gearbox of this drivings fixed cover, is fixed on the pinion on the output shaft of this motor reduction gearbox and is fixed on the gear wheel of described fixed cover forward outer surface; Described driving fixed cover is fixed on described turnbarrel outer surface; Described turnbarrel is actively set on the outer surface at described fixed cover rear portion by two clutch shaft bearings; Described gear wheel and described pinion are intermeshing.Like this, when motor reduction gearbox is worked, drive the gear wheel rotation of pinion on described fixed cover on its output shaft, rotate around described fixed cover coaxial line thereby drive described turnbarrel.
Described driving mechanism also comprises the gear wheel baffle plate, and the close described gear wheel of this gear wheel baffle plate also is fixed on the described fixed cover forward outer surface.
Described automatic welding gun for pipe-plate circumference soldering also comprises balanced controls, and these balanced controls are movably arranged on the described turnbarrel external rear face and do not rotate with described turnbarrel, namely with respect to described fixed cover transfixion.
Described balanced controls comprise balance fixed cover and two the second bearings, and the corresponding torch handle and the balance hanger that are fixed on described balance fixed cover outer surface; Described balance fixed cover is actively set on the described turnbarrel external rear face by described two second bearings.
Compare with prior art, its beneficial effect of automatic welding gun that the present invention is used for pipe-plate circumference soldering is:
1, the detent mechanism of described automatic welding gun adopts a plurality of as four locating detents and evenly is fixed in welded pipe material inner wall and locates fast to stretching out after after-contraction drives by the piston rod of cylinder, push ahead to regain after driving and cancel the location duty and relend the piston rod that helps cylinder, have simple in structure, advantage accurately and fast;
2, the adjustment fixed mount that is provided with welding gun of described automatic welding gun is arranged on the turnbarrel with driving mechanism, by this driving mechanism, the adjustment fixed mount that is arranged on the turnbarrel carries welding gun together around described fixed cover coaxial line rotation, because the cylinder of described detent mechanism, strut fixed axis and tubular abutment sleeve and described fixed cover and described turnbarrel and with the same central axis of described welded tubing, the soldering tip that so just can guarantee described welding gun is the circular motion of coaxial line around the motion of welded tubing, make the weld seam between described welded tubing and the welded plate-like articles be at least a circle, realize the welding of circular path formula, welding quality and the efficient of circumferential slots between welded tubing and the welded plate-like articles have been improved, have simple in structure, the advantages such as welding efficiency height and weldquality are good especially are fit to thick-wall tube with the welding of slab.
[description of drawings]
Fig. 1 is that the present invention is used to manage-the axonometric projection schematic diagram of the automatic welding gun of plate circumference soldering;
Fig. 2 is the axonometric projection schematic diagram of described automatic welding gun, and welding gun is not installed among the figure;
Fig. 3 is the axonometric projection schematic diagram after described automatic welding gun decomposes, and does not draw welding gun among the figure;
Fig. 4 is the axonometric projection schematic diagram of strut fixed axis 120 of the detent mechanism of described automatic welding gun;
Fig. 5 is the axonometric projection schematic diagram of strut fixed axis 120 other directions of the detent mechanism of described automatic welding gun;
Fig. 6 is the axonometric projection schematic diagram of locating detent 130 of the detent mechanism of described automatic welding gun;
Fig. 7 is the axonometric projection schematic diagram of locating detent hinge 140 of the detent mechanism of described automatic welding gun;
Fig. 8 is the axonometric projection schematic diagram that locating detent 130 and the locating detent hinge 140 of the detent mechanism of described automatic welding gun is assembled together;
Fig. 9 is the axonometric projection schematic diagram of locating detent strut 150 of the detent mechanism of described automatic welding gun;
Figure 10 is the axonometric projection schematic diagram after strut fixed axis 120, locating detent 130, locating detent hinge 140, locating detent strut 150, tubular abutment sleeve 160 and the second centralized positioning cover 190 of the detent mechanism of described automatic welding gun decomposes, and locating detent described in the figure 130, locating detent hinge 140 and locating detent strut 150 respectively are four;
Figure 11 is the principle schematic that described automatic welding gun is in initial position;
Figure 12 is the principle schematic that described automatic welding gun is in the location duty, and arrow A represents the force-bearing situation of each parts among the figure, this moment described detent mechanism 100 piston rod 111 contractile motion back of cylinder 110;
Figure 13 is that described automatic welding gun is in the operation principle schematic diagram of cancelling the location duty, and arrow B represents the force-bearing situation of each parts among the figure, and the piston rod 111 of the cylinder 110 of described detent mechanism 100 is pushed ahead motion at this moment.
[specific embodiment]
Below in conjunction with each accompanying drawing the present invention is described in further detail.
Referring to Fig. 1 to Fig. 3, a kind of automatic welding gun for pipe-plate circumference soldering comprises detent mechanism 100, the driving mechanism 200 that is fixed in welded pipe material inner wall and the adjustment fixed mount 300 that is provided with welding gun 310 revocablely; This automatic welding gun also comprises circular fixed cover 400 and turnbarrel 500; Described detent mechanism 100 is arranged on described fixed cover 400 front ends, and with these fixed cover 400 same central axis; Described turnbarrel 500 is enclosed within the outer surface at described fixed cover 400 rear portions rotationally, also with these fixed cover 400 same central axis; Described driving mechanism 200 parts are arranged on the outer surface of described fixed cover 400, and another part is arranged on described turnbarrel 500 outer surfaces and rotates around described fixed cover 400 coaxial lines to drive this turnbarrel 500; Described adjustment fixed mount 300 is arranged on described turnbarrel 500 outer surfaces, can described adjustment fixed mount 300 be screwed on described turnbarrel 500 outer surfaces by middle connecting plate 320, about described adjustment fixed mount 300 can carry out the described welding gun 310 on it, the adjustment of front and back and/or upper-lower position, this adjusts fixed mount 300 is prior art, and therefore not to repeat here.Adjust the position of described welding gun 310 soldering tips 311 by described adjustment fixed mount 300, make the soldering tip 311 of described welding gun 310 just be positioned at the position that needs welding between welded tubing (not shown in FIG.) and the welded plate-like articles (not shown in FIG.), when described driving mechanism 200 drives described turnbarrel 500 around described fixed cover 400 coaxial lines rotation, the welding gun 310 that is arranged on the described adjustment fixed mount 300 also rotates around described fixed cover 400 coaxial lines, and the detent mechanism 100 that is arranged on described fixed cover 400 front ends is fixed in the welded pipe material inner wall, so just can guarantee that the soldering tip 311 of described welding gun 310 around welded tubing (not shown in FIG.) rotation, makes the weld seam between described welded tubing and the welded plate-like articles be at least a circle.During work, be fixed in described welded pipe material inner wall by described detent mechanism 100, described driving mechanism 200 drives described turnbarrel 500 around described fixed cover 400 same axis rotations, drive described adjustment fixed mount 300 around described detent mechanism 100 same axis rotations, thereby the welding gun 310 that also drives on the described adjustment fixed mount 300 is made circumference soldering along pipe-plate intersection.
Referring to Fig. 2 to Figure 10, described detent mechanism 100 comprises cylinder 110, columniform strut fixed axis 120 and the tubular abutment sleeve 160 slightly less than described welded pipe internal diameter, and N locating detent 130, a N locating detent hinge 140 and N locating detent strut 150; Described strut fixed axis 120 outer surfaces be provided with N/2 groove 121 with the corresponding respectively fulcrum through hole 122 of these groove 121 vertical perforations, the quantity of the quantity of this fulcrum through hole 122 and groove 121 is equal, is N/2; Described locating detent 130 rear ends are opened and are fork-shaped, making these locating detent 130 rear end bifurcateds is upper and lower two page 131,132 and breach 133, this upper and lower two page 131,132 is provided with hinge vias 134, described locating detent 130 is provided with a groove 135 from the front end to the rear end, these groove 135 longitudinal sections are "T"-shaped, comprise long nick 1351 and long chute 1352; Described locating detent hinge 140 front ends open and are fork-shaped, make these locating detent hinge 140 front ends also bifurcated be upper and lower two page 141,142 and breach 143, this upper and lower two page 141,142 is provided with hinge vias 144, and described locating detent hinge 140 rear ends are provided with fixed via 145; Described locating detent strut 150 front ends are provided with slide bar 151, the centre is provided with fulcrum through hole 152 and the rear end is provided with hinge vias 154; Described tubular abutment sleeve 160 is provided with the central through hole that holds described strut fixed axis 120, with and outer surface be provided with the N that holds described each locating detent 130 groove 161 that is interconnected and hold N groove 162 of described each locating detent hinge 140, described tubular abutment sleeve 160 outer surfaces also are provided with fixed via 163 and the retaining thread hole 164 with corresponding respectively these groove 162 vertical perforations, the quantity in this fixed via 163 and retaining thread hole 164 and the quantity of groove 162 are equal, namely all are N; Described cylinder 110 is arranged in the described fixed cover 400 front end centre bores, described strut fixed axis 120 is arranged on the piston rod 111 of described cylinder 110, the piston rod 111 of cylinder 110 is provided with external screw thread as described, and described strut fixed axis 120 is provided with the internal thread 123 that matches, and described strut fixed axis 120 can be arranged on the piston rod 111 of described cylinder 110 by the internal thread 123 of the external screw thread on this piston rod 111 and this strut fixed axis 120; Per two described locating detent strut 150 intersection activities stack in the groove 121 of described strut fixed axis 120 outer surfaces of rear insertion, pass through to be arranged on behind the fulcrum through hole 122 of described strut fixed axis 120 and the fulcrum through hole 152 in the middle of this two locating detents strut 150 by the first bearing pin 920 and form the first hinge fulcrum 11 on the described strut fixed axis 120, the quantity of this first hinge fulcrum 11 and the quantity of described groove 121 are equal, be N/2, the rear end of the front end of one of them described locating detent strut 150 and another described locating detent strut 150 is positioned at this groove 121 the same sides, under external force, two locating detent struts 150 that this intersection activity stacks can rotate around the first hinge fulcrum 11, make angle between two locating detent struts 150 that this intersection activity stacks can become large or diminish; For easy for installation, the afterbody of described the first bearing pin 920 can be provided with external screw thread, and being provided with internal thread hole 129 at described strut fixed axis 120, described the first bearing pin 920 passes through to be screwed into behind the fulcrum through hole 122 of described strut fixed axis 120 and the fulcrum through hole 152 in the middle of this two locating detents strut 150 and can form the first hinge fulcrum 11 in the internal thread hole corresponding on the described strut fixed axis 120 129; Described strut fixed axis 120 is positioned at the central through hole of described tubular abutment sleeve 160, stretch out in the breach 143 of described locating detent hinge 140 front ends of rear insertion from the groove 162 of described tubular abutment sleeve 160 rear end of wherein said locating detent strut 150, and these locating detent hinge 140 front ends insert in the breach 133 of described locating detent 130 rear ends, pass through the hinge vias 134 of described locating detent 130 rear ends by the second bearing pin (not shown in FIG.), the hinge vias 154 of the hinge vias 144 of locating detent hinge 140 front ends and locating detent strut 150 rear ends is with described locating detent 130, locating detent hinge 140 and locating detent strut 150 are joined together to form the second hinge fulcrum 12, the quantity of this second hinge fulcrum 12 and the quantity of described locating detent 130 are equal, be N, described locating detent 130, locating detent hinge 140 and locating detent strut 15 can rotate around this second hinge fulcrum 12, pass through by screw 910 that the retaining thread hole 164 that is screwed into described tubular abutment sleeve 160 correspondences behind the fixed via 145 of the fixed via 163 of described tubular abutment sleeve 160 correspondences and described locating detent hinge 140 rear ends is interior to be connected to form the 3rd hinge fulcrum 13 with this locating detent hinge 140 with described tubular abutment sleeve 160, the quantity of the quantity of the 3rd hinge fulcrum 13 and described locating detent hinge 140 is equal, be N, described locating detent hinge 140 can rotate around the 3rd hinge fulcrum 13, slide bar 151 after described locating detent strut 150 front ends stretch out from the groove 161 of described tubular abutment sleeve 160 on it is positioned at the long chute 1352 of described locating detent 130, and can be in the long chute 1352 interior slips of this locating detent 130; Described tubular abutment sleeve 160 rear ends are arranged on the cylinder body of described cylinder 110, as as described in tubular abutment sleeve 160 rear end central through holes internal thread 169 is set, and at the cylinder body of described cylinder 110 external screw thread 112 is set, by this internal thread 169 and external screw thread 112, described tubular abutment sleeve 160 can be arranged on the cylinder body of described cylinder 110; Described fixed cover 400, cylinder 110, strut fixed axis 120 and tubular abutment sleeve 160 same central axis; N 〉=2 herein, and be even number.
Referring to Fig. 3 to Figure 10, described locating detent 130, locating detent hinge 140 and locating detent strut 150 respectively are four, i.e. described N=4; Correspondingly, the quantity of the groove 121 of described strut fixed axis 120 is that 2 quantity with fulcrum through hole 122 also are 2, and the quantity in the groove 161 of described tubular abutment sleeve 160, groove 162, fixed via 163 and retaining thread hole 164 all is 4.Space angle between two grooves 121 on the described strut fixed axis 120 can be designed to 90 °, namely this two groove 121 is evenly distributed on the described strut fixed axis 120, and certain distance that staggers, preventing that two pairs of described locating detent strut 150 intersection activities from stacking interferes with each other after being arranged on the described strut fixed axis 120, accordingly, space angle design between the two adjacent grooves 161 of described tubular abutment sleeve 160 also is 90 °, space angle design between the two adjacent grooves 162 of described tubular abutment sleeve 160 also is 90 °, also i.e. this four-way groove 161,162 all is to be evenly distributed on the described tubular abutment sleeve 160, two adjacent grooves 161 certain distance that also staggers, two adjacent grooves 162 certain distance that also staggers.Like this, four described locating detents 130 can withstand on the welded pipe material inner wall after described tubular abutment sleeve 160 stretches out, and even angle, and described automatic welding gun firmly is fixed on the welded pipe material inner wall.
Referring to Fig. 1 to Fig. 3, described detent mechanism 100 also comprises the first centralized positioning cover 170, this first centralized positioning cover 170 comprises the rear circular sleeve 171 that is inserted in and is fixed on described fixed cover 400 forward outer surface and connects the also front sleeve 172 of concentricity axis with this circular sleeve 171 that this front sleeve 172 is inserted in and is fixed on described tubular abutment sleeve 160 external rear face; In order to be easy to install and maintain, described front sleeve 172 can adopt screw to fix with the fixing of described tubular abutment sleeve 160, and described rear circular sleeve 171 also can adopt screw to fix with the fixing of described fixed cover 400; By described the first centralized positioning cover 170, can guarantee described fixed cover 400 and tubular abutment sleeve 160 same central axis.
Referring to Fig. 3, described detent mechanism 100 also comprises cylinder axis positioning sleeve 180, is fixed on described fixed cover 400 front end faces after the central through hole of this cylinder axis positioning sleeve 180 is inserted in and is fixed on cylinder 110 outer surface of cylinder block; In order to be easy to install and maintain, described cylinder axis positioning sleeve 180 can adopt screw to fix with the fixing of described fixed cover 400 front end faces; By described cylinder axis positioning sleeve 180, can guarantee described fixed cover 400 and cylinder 110 same central axis.
Referring to Fig. 3 and Figure 10, described detent mechanism 100 also comprises the second centralized positioning cover 190, this the second centralized positioning cover 190 comprises the insertion section 191 that is provided with central through hole 1911 and the fixed part 192 that connects with this insertion section 191, the central through hole of described tubular abutment sleeve 160 front ends is inserted in this insertion section 191, central through hole 1911 on it is inserted in described strut fixed axis 120 front end outer surfaces, this fixed part 192 is fixed on the front end face of described tubular abutment sleeve 160, can adopt screw to fix; By described the second centralized positioning cover 190, can guarantee described strut fixed axis 120 and tubular abutment sleeve 160 same central axis.
Referring to Fig. 3, described driving mechanism 200 comprises and drives fixed cover 210, is fixed on the interior motor reduction gearbox 220 of this drivings fixed cover 210, is fixed on the pinion 230 on the output shaft 221 of this motor reduction gearbox 220 and is fixed on the gear wheel 240 of described fixed cover 400 forward outer surface; Described driving fixed cover 210 is fixed on described turnbarrel 500 outer surfaces; Described turnbarrel 500 is actively set on the outer surface at described fixed cover 400 rear portions by two clutch shaft bearings 510; Clutch shaft bearing 510 places in described fixed cover 400 rear ends near the rear end also are provided with clutch shaft bearing back-up ring 260, prevent that the lubricating oil in the clutch shaft bearing 510 from flying out; Described gear wheel 240 and described pinion 230 are intermeshing.Like this, when motor reduction gearbox 220 work, drive gear wheel 240 rotations of pinion 230 on described fixed cover 400 on its output shaft 221, rotate around described fixed cover 400 coaxial lines thereby drive described turnbarrel 500.
Referring to Fig. 1 to Fig. 3, described driving mechanism 200 also comprises gear wheel baffle plate 250, and these gear wheel baffle plate 250 close described gear wheels 240 also are fixed on described fixed cover 400 forward outer surface.
Referring to Fig. 3, described automatic welding gun for pipe-plate circumference soldering also comprises balanced controls 600, these balanced controls 600 are movably arranged on described turnbarrel 500 external rear face and do not rotate with described turnbarrel 500, namely with respect to described fixed cover 400 transfixions.
Referring to Fig. 1 to Fig. 3, described balanced controls 600 comprise balance fixed cover 610 and two the second bearings 620, and the corresponding torch handle 630 that is fixed on described balance fixed cover 610 outer surfaces and balance hanger 640; Described balance fixed cover 610 is actively set on described turnbarrel 500 external rear face by described two second bearings 620; Also be provided with the second end ring 690 in described balance fixed cover 610 rear ends, prevent that the lubricating oil in the second bearing 620 from flying out.Described torch handle 630 is set, and the handled easily worker grasps described automatic welding gun when manual operations; Described balance hanger 640 is set, and convenient described automatic welding gun is fixed on the vehicle frame of automatic welding carriage with lifting rope or other object when automatic operation, makes described automatic welding gun for pipe-plate circumference soldering keep balance and stable.
Referring to Fig. 1 to Fig. 3; the automatic welding gun that the present invention is used for pipe-plate circumference soldering also comprises electricity or the air cock mechanism 700 that is arranged on described turnbarrel 500 rear ends; and the wire bushing joint 810, wire bushing 820 and the wire bushing spring 830 that are arranged on described turnbarrel 500 tail ends, protect each pipeline of described automatic welding gun and/or lead-in wire (not shown in FIG.) to pass.Described turnbarrel 500 back end outer surface also are provided with the waist through hole 550 that is connected with its central through hole, and described welding gun 310 just is fixed on the described adjustment fixed mount 300 after the waist through hole 550 of described turnbarrel 500 stretches out.
The below does simple the description to the operation principle of automatic welding gun of the present invention:
One, the location duty of described automatic welding gun:
Referring to Fig. 1, Fig. 3 and Figure 10 to Figure 12, the tubular abutment sleeve 160 of described detent mechanism 100 is inserted described welded inner hole of pipe, open the gas circuit valve of described cylinder 110, the piston rod 111 that makes described cylinder 110 is contractile motion back, drive backward contractile motion of described strut fixed axis 120, drive synchronously contractile motion backward of the first hinge fulcrum 11 of two locating detent struts 150 on this strut fixed axis 120 that described each intersection activity stacks and this strut fixed axis 120, diminish into β ' after causing respectively angle β between two locating detent struts 150 that should the intersection activity stack to shrink, be β＞β ', described locating detent hinge 140 has also rotated an angle [alpha] relative to original position simultaneously, this moment, described each locating detent 130 was by corresponding described each locating detent strut 150 even parallel opening, and the inwall that makes this locating detent 130 respectively evenly be close to described welded tubing is realized locating fast.
Two, described automatic welding gun cancel the location duty:
Referring to Fig. 1, Fig. 3 and Figure 10 to Figure 13, otherwise, pushing ahead motion when the piston rod 111 of described cylinder 110 namely stretches out forward, described strut fixed axis 120 counter motions namely travel forward, driving the first hinge fulcrum 11 of two locating detent struts 150 on this strut fixed axis 120 that described each intersection activity stacks travels forward synchronously with this strut fixed axis 120, become original angle β after causing respectively angle β ' change between two locating detent struts 150 that should the intersection activity stack large, described locating detent hinge 140 also rotates an angle [alpha] in the opposite direction simultaneously, make described each locating detent hinge 140 and each locating detent strut 150 reset to initial position, described each locating detent strut 150 even parallel initial position that shrink back corresponding to described each locating detent 130 quilt this moment are cancelled positioning states.
Three, the welding job state of described automatic welding gun:
Referring to Fig. 1, Fig. 3, Figure 10 and Figure 12, when described automatic welding gun is in the location duty, adjust the position of described welding gun 310 soldering tips 311 by described adjustment fixed mount 300, make the soldering tip 311 of described welding gun 310 just be positioned at the position that needs welding between welded tubing (not shown in FIG.) and the welded plate-like articles (not shown in FIG.); Because the cylinder 110 of described detent mechanism 100, strut fixed axis 120 and tubular abutment sleeve 160 and described fixed cover 400 and described turnbarrel 500, and with the same central axis of described welded tubing; When the motor reduction gearbox 220 of described driving mechanism 200 is worked, drive gear wheel 240 rotations of pinion 230 on described fixed cover 400 on its output shaft 221, thereby driving described turnbarrel 500 rotates around described fixed cover 400 coaxial lines, the welding gun 310 that is arranged on the described adjustment fixed mount 300 also rotates around described fixed cover 400 coaxial lines, and the tubular abutment sleeve 160 that is arranged on the detent mechanism 100 of described fixed cover 400 front ends is fixed on the welded pipe material inner wall, the soldering tip 311 that so just can guarantee described welding gun 310 is the circular motion of coaxial line around the motion of welded tubing, thereby the welding gun 310 that also drives on the described adjustment fixed mount 300 is made circumference soldering along pipe-plate intersection, make the weld seam between described welded tubing and the welded plate-like articles be at least a circle, realize the welding of circular path formula, welding quality and the efficient of circumferential slots between welded tubing and the welded plate-like articles have been improved, have simple in structure, the advantages such as welding efficiency height and weldquality are good especially are fit to thick-wall tube with the welding of slab.
The above embodiment has only expressed preferred embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention; Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention; Therefore, all equivalents and modifications of doing with claim scope of the present invention all should belong to the covering scope of claim of the present invention.
Claims (9)
1. an automatic welding gun that is used for pipe-plate circumference soldering comprises detent mechanism (100), the driving mechanism (200) that is fixed in welded pipe material inner wall and the adjustment fixed mount (300) that is provided with welding gun (310) revocablely; It is characterized in that:
Also comprise circular fixed cover (400) and turnbarrel (500); Described detent mechanism (100) is arranged on described fixed cover (400) front end, and with the same central axis of this fixed cover (400); Described turnbarrel (500) is enclosed within the outer surface at described fixed cover (400) rear portion rotationally, also with the same central axis of this fixed cover (400); Described driving mechanism (a 200) part is arranged on the outer surface of described fixed cover (400), and another part is arranged on described turnbarrel (500) outer surface and rotates around described fixed cover (400) coaxial line to drive this turnbarrel (500); Described adjustment fixed mount (300) is arranged on described turnbarrel (500) outer surface; During work, be fixed in described welded pipe material inner wall by described detent mechanism (100), described driving mechanism (200) drives described turnbarrel (500) around the same axis rotation of described fixed cover (400), drive described adjustment fixed mount (300) around the same axis rotation of described detent mechanism (100), thereby the welding gun (310) that also drives on the described adjustment fixed mount (300) is made circumference soldering along pipe-plate intersection;
Described detent mechanism (100) comprises cylinder (110), columniform strut fixed axis (120) and the tubular abutment sleeve (160) slightly less than described welded pipe internal diameter, and N locating detent (130), a N locating detent hinge (140) and N locating detent strut (150); Described strut fixed axis (120) outer surface be provided with N/2 groove (121) with the fulcrum through hole (122) of the vertical perforation of corresponding respectively this groove (121); Described locating detent (130) rear end is opened and is fork-shaped, making this locating detent (130) rear end bifurcated is upper and lower two pages (131,132) and breach (133), these upper and lower two pages (131,132) are provided with hinge vias (134), described locating detent (130) is provided with a groove (135) from the front end to the rear end, this groove (135) longitudinal section is "T"-shaped, comprises long nick (1351) and long chute (1352); Described locating detent hinge (140) front end opens and is fork-shaped, make this locating detent hinge (140) front end also bifurcated be upper and lower two pages (141,142) and breach (143), these upper and lower two pages (141,142) are provided with hinge vias (144), and described locating detent hinge (140) rear end is provided with fixed via (145); Described locating detent strut (150) front end is provided with slide bar (151), the centre is provided with fulcrum through hole (152) and the rear end is provided with hinge vias (154); Described tubular abutment sleeve (160) is provided with the central through hole that holds described strut fixed axis (120), with and outer surface be provided with N the groove (161) that holds described each locating detent (130) that is interconnected and N the groove (162) that holds described each locating detent hinge (140), described tubular abutment sleeve (160) outer surface also is provided with and corresponding fixed via (163) and retaining thread hole (164) that hold the vertical perforation of respectively this groove (162) of described each locating detent hinge (140); Described cylinder (110) is arranged in described fixed cover (400) the front end centre bore, and described strut fixed axis (120) is arranged on the piston rod (111) of described cylinder (110); Per two described locating detent struts (150) intersection activity stacks in the groove (121) of the described strut fixed axis of rear insertion (120) outer surface, be arranged on the upper first hinge fulcrum (11) that forms of described strut fixed axis (120) after passing through fulcrum through hole (152) in the middle of the fulcrum through hole (122) of described strut fixed axis (120) and this two locating detents strut (150) by the first bearing pin, the rear end of the front end of one of them described locating detent strut (150) and another described locating detent strut (150) is positioned at groove (121) the same side of this strut fixed axis (120) outer surface; Described strut fixed axis (120) is positioned at the central through hole of described tubular abutment sleeve (160), stretch out in the breach (143) of the described locating detent hinge of rear insertion (140) front end from the groove (162) of described tubular abutment sleeve (160) rear end of wherein said locating detent strut (150), and this locating detent hinge (140) front end inserts in the breach (133) of described locating detent (130) rear end, pass through the hinge vias (134) of described locating detent (130) rear end by the second bearing pin, the hinge vias (154) of the hinge vias (144) of locating detent hinge (140) front end and locating detent strut (150) rear end is with described locating detent (130), locating detent hinge (140) and locating detent strut (150) are joined together to form the second hinge fulcrum (12), pass through by screw (910) to be screwed in retaining thread hole (164) corresponding to described tubular abutment sleeve (160) behind the fixed via (145) of fixed via (163) corresponding to described tubular abutment sleeve (160) and described locating detent hinge (140) rear end this locating detent hinge (140) and described tubular abutment sleeve (160) are connected to form the 3rd hinge fulcrum (13), slide bar (151) after described locating detent strut (150) front end stretches out from the groove (161) of described tubular abutment sleeve (160) on it is positioned at the long chute (1352) of described locating detent (130), and can slide in the long chute (1352) of this locating detent (130); Described tubular abutment sleeve (160) rear end is arranged on the cylinder body of described cylinder (110); Described fixed cover (400), cylinder (110), strut fixed axis (120) and the same central axis of tubular abutment sleeve (160); N 〉=2 herein, and be even number.
2. the automatic welding gun for pipe-plate circumference soldering according to claim 1 is characterized in that:
Described locating detent (130), locating detent hinge (140) and locating detent strut (150) respectively are four, i.e. described N=4.
3. the automatic welding gun for pipe-plate circumference soldering according to claim 1 is characterized in that:
Described detent mechanism (100) also comprises the first centralized positioning cover (170), this the first centralized positioning cover (170) comprises the rear circular sleeve (171) that is inserted in and is fixed on described fixed cover (400) forward outer surface and connects and concentric front sleeve (172) with this circular sleeve (171) that this front sleeve (172) is inserted in and is fixed on described tubular abutment sleeve (160) external rear face; By described the first centralized positioning cover (170), can guarantee described fixed cover (400) and the same central axis of tubular abutment sleeve (160).
4. the automatic welding gun for pipe-plate circumference soldering according to claim 1 is characterized in that:
Described detent mechanism (100) also comprises cylinder axis positioning sleeve (180), is fixed on described fixed cover (400) front end face after the central through hole of this cylinder axis positioning sleeve (180) is inserted in and is fixed on cylinder (110) outer surface of cylinder block; By described cylinder axis positioning sleeve (180), can guarantee described fixed cover (400) and the same central axis of cylinder (110).
5. the automatic welding gun for pipe-plate circumference soldering according to claim 1 is characterized in that:
Described detent mechanism (100) also comprises the second centralized positioning cover (190), this the second centralized positioning cover (190) comprises the insertion section (191) that is provided with central through hole (1911) and the fixed part (192) that connects with this insertion section (191), the central through hole of described tubular abutment sleeve (160) front end is inserted in this insertion section (191), central through hole on it (1911) is inserted in described strut fixed axis (120) front end outer surface, and this fixed part (192) is fixed on the front end face of described tubular abutment sleeve (160); By described the second centralized positioning cover (190), can guarantee described strut fixed axis (120) and the same central axis of tubular abutment sleeve (160).
6. the automatic welding gun for pipe-plate circumference soldering according to claim 1 is characterized in that:
Described driving mechanism (200) comprises and drives fixed cover (210), is fixed on the interior motor reduction gearbox (220) of this drivings fixed cover (210), is fixed on the pinion (230) on the output shaft (221) of this motor reduction gearbox (220) and is fixed on the gear wheel (240) of described fixed cover (400) forward outer surface; Described driving fixed cover (210) is fixed on described turnbarrel (500) outer surface; Described turnbarrel (500) is actively set on the outer surface at described fixed cover (400) rear portion by two clutch shaft bearings (510); Described gear wheel (240) is intermeshing with described pinion (230).
7. the automatic welding gun for pipe-plate circumference soldering according to claim 6 is characterized in that:
Described driving mechanism (200) also comprises gear wheel baffle plate (250), and the close described gear wheel (240) of this gear wheel baffle plate (250) also is fixed on described fixed cover (400) forward outer surface.
8. each described automatic welding gun for pipe-plate circumference soldering according to claim 1～7 is characterized in that:
Also comprise balanced controls (600), these balanced controls (600) are movably arranged on described turnbarrel (500) external rear face and do not rotate with described turnbarrel (500), namely with respect to described fixed cover (400) transfixion.
9. the automatic welding gun for pipe-plate circumference soldering according to claim 8 is characterized in that:
Described balanced controls (600) comprise balance fixed cover (610) and two the second bearings (620), and the corresponding torch handle (630) that is fixed on described balance fixed cover (610) outer surface and balance hanger (640); Described balance fixed cover (610) is actively set on described turnbarrel (500) external rear face by described two second bearings (620).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101107912A CN102039468B (en) | 2009-10-19 | 2009-10-19 | Automatic welding gun for tube-plate circumferential welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101107912A CN102039468B (en) | 2009-10-19 | 2009-10-19 | Automatic welding gun for tube-plate circumferential welding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102039468A CN102039468A (en) | 2011-05-04 |
| CN102039468B true CN102039468B (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101107912A Active CN102039468B (en) | 2009-10-19 | 2009-10-19 | Automatic welding gun for tube-plate circumferential welding |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109048184B (en) * | 2018-08-17 | 2021-01-19 | 安徽德科电气科技有限公司 | Automatic welding system for generator base ribs |
| CN114101996B (en) * | 2021-12-07 | 2023-10-31 | 安徽福本机械制造有限公司 | Engine compartment grid mesh welding device for engineering machinery |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2772713Y (en) * | 2005-01-13 | 2006-04-19 | 苏州工业园区华焊科技有限公司 | Diameter-variable and core-expanding mechanism of pipe sheet for automatic welder |
| CN2880348Y (en) * | 2006-02-21 | 2007-03-21 | 苏州工业园区华焊科技有限公司 | Pipe plate automatic MIG welder diamter changing body expanding mechanism |
| CN2897522Y (en) * | 2006-02-09 | 2007-05-09 | 苏州工业园区华焊科技有限公司 | Position controlling mechanism of automatic tubeplate MIG welder |
| CN1986143A (en) * | 2005-12-22 | 2007-06-27 | 昆山市华恒焊接设备技术有限责任公司 | Automatic welding gun |
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2009
- 2009-10-19 CN CN2009101107912A patent/CN102039468B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2772713Y (en) * | 2005-01-13 | 2006-04-19 | 苏州工业园区华焊科技有限公司 | Diameter-variable and core-expanding mechanism of pipe sheet for automatic welder |
| CN1986143A (en) * | 2005-12-22 | 2007-06-27 | 昆山市华恒焊接设备技术有限责任公司 | Automatic welding gun |
| CN2897522Y (en) * | 2006-02-09 | 2007-05-09 | 苏州工业园区华焊科技有限公司 | Position controlling mechanism of automatic tubeplate MIG welder |
| CN2880348Y (en) * | 2006-02-21 | 2007-03-21 | 苏州工业园区华焊科技有限公司 | Pipe plate automatic MIG welder diamter changing body expanding mechanism |
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| Publication number | Publication date |
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| CN102039468A (en) | 2011-05-04 |
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