CN102114568B - Stud flexible welding device and method - Google Patents
Stud flexible welding device and method Download PDFInfo
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- CN102114568B CN102114568B CN2009102641540A CN200910264154A CN102114568B CN 102114568 B CN102114568 B CN 102114568B CN 2009102641540 A CN2009102641540 A CN 2009102641540A CN 200910264154 A CN200910264154 A CN 200910264154A CN 102114568 B CN102114568 B CN 102114568B
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Abstract
The invention discloses a stud flexible welding device and method. The stud flexible welding device comprises a welding robot, a robot control system, an automatic stud welding gun, an automatic stud feeding device, an automatic stud welding and clamping device and an automatic stud welding jig replacing device, wherein the welding robot, the automatic stud welding gun, the automatic stud feeding device, the automatic stud welding and clamping device and the automatic stud welding jig replacing device are connected with the robot control system to receive a control signal of the robot control system; the automatic stud feeding device is used for conveying studs; the automatic stud welding and clamping device is used for setting precompression amount required in an automatic clamping and welding process of studs and ceramic rings; and the automatic stud welding jig replacing device is used for assembling and disassembling the automatic stud welding and clamping device. The invention can be used for carrying out automatic feeding.
Description
Technical field
The present invention relates to a kind of on steel, aluminium, copper matrix special welding device and the welding method thereof of large scale double-screw bolt in automatic welding steel, aluminium, copper etc., particularly be convenient to automatic stud flexible welding device and welding method thereof based on the double-screw bolt of the different-diameter length of the middle large scale scope of Robotics and automatic stud welding gun.
Background technology
In the hull cabin, the welding of weapons armored vehicle car body inside, various pressure vessel inside and outside walls, the equal extensive use steel matrix of bridge and other field and steel, aluminium, copper stud, the field that stud welding relates to is increasingly extensive.Along with the fast development of modern industry, the utility ratio of double-screw bolt is more and more higher, needs the double-screw bolt quantity of welding also to increase thereupon.Modern Mechanical Manufacturing Technology requires arc stud welding to scoop out to have fast, reliable, simplification, easy and simple to handle, the characteristics such as reduce costs.
Arc stud welding method (ceramic ring protection formula and solder flux or gas-protecting type electric arc stud welding) is widely used in the double-screw bolt of diameter of phi 3~Φ 20mm; welding on the cut deal workpiece, be widely applied in industries such as shipbuilding, metallurgical furnace kiln and building industry.Manually stud welding, productivity ratio is low, per minutely can only weld 10 left and right.
The full-automatic stud welding apparatus of micro-processor controlled CNC (can be with manipulator or join robot and work simultaneously) is equipped with the automatic nail feeding machine, can not only accurately arrange and record, store welding parameter, and can detection in real time, numeral show in welding process, and automatically adjust welding parameter, to guarantee welding quality, reappearance is fabulous.The full-automatic stud welding machine of CNC, by computer programming control, automatic nail feeding, automatic welding, is realized the welding of multistation, multi-angle.Full-automatic welding gun adopts stepper motor or servomotor to control, and can accurately control by technological requirement the motion of double-screw bolt.A fully automatic system can be joined a plurality of welding guns and be welded simultaneously the screw of plurality of specifications.Stud welding speed is up to 60/min.This systematic function is stable, given prominence to efficiently, at a high speed, high performance characteristics.At present, the automatic nail feeding machine can only be realized the self-feeding of minor diameter double-screw bolt and can only realize that the double-screw bolt of a certain diameter, length and shape carries out self-feeding and clamping.When needs weld the double-screw bolt of sizes size, need to be equipped with many cover automatic nail feeding machines according to diameter and the length of double-screw bolt, and the replacing of automatic nail feeding machine is inconvenient, has had a strong impact on the efficiency that automatic stud welds.
Summary of the invention
But technical problem solved by the invention is to provide a kind of stud flexible welder and welding method thereof of self-feeding.
The technical scheme that realizes the object of the invention is: a kind of stud flexible welder comprises more changing device of welding robot, robot control system, automatic stud welding gun, automatic stud pay-off, automatic stud welding and clamping device, automatic stud weld jig; Described welding robot, automatic stud welding gun, automatic stud pay-off, automatic stud welding and clamping device, automatic stud weld jig more changing device all are connected with robot control system, receive the control signal of robot control system; Wherein the automatic stud pay-off is completed transporting double-screw bolt, the automatic stud welding and clamping device is realized the setting to required pre compressed magnitude in the automated exchanged cutter of double-screw bolt and porcelain ring and welding procedure, the more installation and removal of changing device realization to the automatic stud welding and clamping device of automatic stud weld jig; Welding robot carries out the installation of automatic stud welding and clamping device on the corresponding objective table of automatic stud welding and clamping device, clamping double-screw bolt on the automatic stud pay-off, complete welding finally on workpiece to be welded afterwards.
A kind of stud flexible welding method, it comprises the following steps when double-screw bolt to be welded is same specification:
On the objective table that the first step, robot movement are complementary to automatic stud welding and clamping device and double-screw bolt to be welded, carry out the installation of automatic stud welding and clamping device;
Second step, robot movement are to the double-screw bolt position automated exchanged cutter double-screw bolt to be welded of automatic stud pay-off;
The 3rd step, robot movement arrive the position of work to be welded, complete the automatic stud welding of double-screw bolt to be welded.
It comprises the following steps when double-screw bolt to be welded is different size:
On the objective table that step 1, robot movement are complementary to automatic stud welding and clamping device and double-screw bolt to be welded, carry out the installation of automatic stud weld clip assembling device;
Step 4, robot movement to the automatic stud welding and clamping device with welded on the objective table that double-screw bolt is complementary, carry out the dismounting of automatic stud welder;
On the objective table that step 5, robot movement are complementary to automatic stud welding and clamping device and double-screw bolt to be welded, carry out the installation of automatic stud welder;
The present invention compared with prior art, its remarkable advantage: the automatic stud flexible welding that 1) is based on Robotics; 2) use same device to realize the feeding that certainly is dynamically connected of the double-screw bolt of different size and length; 3) can realize in the automated exchanged cutter of major diameter double-screw bolt; 4) the double-screw bolt size span of institute's clamping is large, and scope is generally Φ 12-27mm, more than maximum can reach 30mm; 5) the double-screw bolt clamping process can realize automation mechanized operation, and successful improves; 6) mustn't change fixture and can realize the automated exchanged cutter of the double-screw bolt of different length under same diameter, the applicability of clamping is strong, and the reliability height can reach 100%; 7) can conveniently realize the replacing of different-diameter double-screw bolt fixture, replacing speed is fast, and the reliability height can reach 100%; Show very large advantage when carrying out the middle major diameter double-screw bolt automatic welding of multiple diameter specification; 8) automatic stud welding and clamping device of the present invention can be realized the clamping of the middle major diameter double-screw bolt of same diameter different length, when double-screw bolt diameter to be welded changes the automatic stud clamping more changing device can realize quickly and efficiently the replacing of the anxious device of automatic stud welding dress, guaranteed the efficient, at a high speed and high performance characteristics of automatic stud weldering; 9) realize the automatic welding of double-screw bolt at the workpiece assigned address.
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Description of drawings
Fig. 1 is automatic stud flexible welding device schematic diagram of the present invention.
Fig. 2 is automatic stud pay-off schematic diagram of the present invention.
Fig. 3 is automatic stud pay-off of the present invention partial disassembly schematic diagram.
Fig. 4 is more changing device schematic diagram of automatic stud weld jig of the present invention.
Fig. 5 is automatic stud welding and clamping device schematic diagram of the present invention.
the implication of number in the figure representative is: the 1--side plate, the 2--panel, 3--the first riser, the 4--base plate, the 5--baffle plate, the 6--gear shaft, 7--the first cylinder, 8--double-screw bolt fixed block, the 9--cylinder is cut somebody's hair, 10--the second cylinder, the 11--air cylinder base, 12--adjusts plate, the 13--open slot, the 14--base, 15--the second riser, the 16--support, 17--transfers rope support in left and right, the 18--pulley, 19--clamping bench panel, 20--the 3rd cylinder left socle, 21--the 3rd cylinder, 22--the 3rd cylinder right support, the 23--tooth bar, the 24--adjusting nut, 25--adjusts double-screw bolt, 26--adjusts fixed head, the 27--first-level variable-speed gear, 28--two stage speed change gear, the 29--objective table, 30--edge pin, the 31--centrepin, the 32--transition gear, 33--double-screw bolt clamping device, 34--objective table gear, 35--bearing fixing sleeve cylinder, the 36--chuck, the 37--hexagon socket head cap screw, the 38--nut, the 39--upper plate, the 40--spring, the 41--vertical rod, the 42--lower plate, the 43--porcelain ring, the 44--double-screw bolt, the 45--sleeve.
The specific embodiment
In conjunction with Fig. 1, a kind of stud flexible welder of the present invention, comprise more changing device of welding robot, robot control system, automatic stud welding gun, automatic stud pay-off, automatic stud welding and clamping device, automatic stud weld jig; Described welding robot, automatic stud welding gun, automatic stud pay-off, automatic stud welding and clamping device, automatic stud weld jig more changing device all are connected with robot control system, receive the control signal of robot control system; Wherein the automatic stud pay-off is completed transporting double-screw bolt, the automatic stud welding and clamping device is realized the setting to required pre compressed magnitude in the automated exchanged cutter of double-screw bolt and porcelain ring and welding procedure, the more installation and removal of changing device realization to the automatic stud welding and clamping device of automatic stud weld jig; Welding robot carries out the installation of automatic stud welding and clamping device on the corresponding objective table of automatic stud welding and clamping device, clamping double-screw bolt on the automatic stud pay-off, complete welding finally on workpiece to be welded afterwards.
In conjunction with Fig. 2, Fig. 3, the automatic stud pay-off comprises base 14 and two automatic stud feeders, two automatic stud feeders are fixed on base 14 by base plate 4 and about base transverse center plane symmetry, described each automatic stud feeder comprise side plate 1, panel 2, the first riser 3, baffle plate 5, gear shaft 6, the first cylinder 7, double-screw bolt fixed block 8, cylinder cut somebody's hair the 9, second cylinder 10, the second air cylinder base 11, adjust pull 12, open slot 13, the second riser 15, air cylinder support 16, left and right transfer rope support 17, pulley 18; The first cylinder 7 is fixed on base plate 4 tops by support, and its top is panel 2, and this panel 2 is fixed on base plate 4 by the first riser 3, the second riser 15, and described the first riser 3, the second riser 5 are positioned at the two ends of base plate 4; Panel 2 upper surfaces arrange two side plates that are parallel to each other 1, the plane at described two side plate places parallels with panel 2, each side plate has chute, gear shaft 6 is arranged in the chute of two side plates and can be free to slide along the chute direction, baffle plate 5, left and right transfer rope support 17 to be connected on gear shaft 6, baffle plate 5 is between biside plate, and left and right transfers rope support 17 to be positioned at the biside plate outside and spacing to gear shaft 6; Left and right pulley 18 is positioned at the biside plate below and is fixed on pulley spindle, described pulley spindle is connected with the main shaft of the first cylinder 7, above-mentioned pulley is wound with steel wire rope, described steel wire rope one end is fixed on panel 2, the other end is fixed on left and right and transfers on rope support, drives gear shaft 6 parallel in the biside plate chute when the first cylinder 7 motion; The second air cylinder base 11 is arranged on panel 2 lower surfaces near a side of the second riser 15, and the second cylinder 10 is arranged on the second air cylinder base 11 by support, and cylinder is cut somebody's hair and 9 is positioned at the upper surface of panel 2 and with the main shaft of the second cylinder 10, is connected; Double-screw bolt fixed block 8 also can move along its chute between biside plate 1; Adjust plate 12 and be positioned at the side of the upper surface of panel 2 near the second cylinder 10, this adjusts the transverse shifting of plate and baffle plate 5 restriction double-screw bolt fixed blocks 8.
Automatic stud pay-off operation principle is as follows: 1 of left side plate, lay some double-screw bolt fixed heads 8.After cylinder 1 adds air pressure, its main shaft is released forward, drives baffle plate 5 by the steel wire rope on it and pulley 18 and travels forward, and baffle plate 5 promotes double-screw bolt fixed block 8 and travels forward, and after moving to the position baffle plate 6 of appointment, the adjusted plate 12 of double-screw bolt fixed head is spacing.Robot drives the automatic stud welder to getting the double-screw bolt luggage folder of going forward side by side on the double-screw bolt fixed block on assigned address.After the double-screw bolt of sending to is taken away by the automatic stud welding and clamping device, robot system is sent corresponding control instruction to cylinder 2 pressurizations, cylinder 2 main shafts are cut somebody's hair and are promoted double-screw bolt fixed block lengthwise movement on it by cylinder, when the double-screw bolt fixed block moves to rectangular channel 13 place, the double-screw bolt fixed block falls from fluting under the thrust of the second cylinder, falls on worktable panel.Robot system is sent corresponding instruction again makes the second cylinder remove air pressure, the second cylinder resets, other double-screw bolt fixtures continue to move forward to the position of appointment under the thrust of the first cylinder, realized the transfer feed double-screw bolt of automatic stud feeding system.Apparatus of the present invention are enough sends double-screw bolt simultaneously to continuously to two automatic arc stud welding machines.
in conjunction with Fig. 4, automatic stud weld jig more changing device comprises power set, transmission device and changing device more, and above-mentioned three devices are arranged on clamping bench panel 19, top, described power set are cylinder, this cylinder is fixed on clamping bench panel 19 by support, transmission device comprises tooth bar 23, adjusting nut 24, adjust bolt 25, adjust fixed head 26, first-level variable-speed gear 27, two stage speed change gear 28, adjust fixed head 26 and be arranged on clamping bench panel 19 tops, adjust on fixed head 26 and place tooth bar 23, one end of this tooth bar is connected with the main shaft of the 3rd cylinder 21, and move under the drive of this main shaft, first-level variable-speed gear 27, two stage speed change gear 28 is positioned to adjust fixedly pulls a side of 26, the axis of above-mentioned two change-speed gearings is positioned at the longitudinal median plane of adjusting fixed head 26, the other end of tooth bar 23 is connected with first-level variable-speed gear 27, drive its rotation, adjusting bolt 25 is positioned on tooth bar 23, adjusting nut 24 is spun on to be adjusted on bolt 25, more changing device comprises the whirligig that is connected successively, this whirligig drives mutually by excessive gear 32, each whirligig comprises objective table 29, edge pin 30, centrepin 31, objective table gear 34, bearing fixing sleeve cylinder 35, bearing fixing sleeve cylinder 35 is fixed on the upper of clamping bench panel 19, objective table 29 is fixed on bearing fixing sleeve cylinder 35 by bearing, objective table gear 34 is fixed on objective table 29 belows and drives loading Yu 29 rotations, edge pin 30 is set on objective table, centrepin 31, 31 pairs of automatic stud welding and clamping device location disposed thereon of centrepin, edge pin 30 drives the automatic stud welding and clamping device rotation that is placed on it.The quantity of whirligig is 6.
More the changing device operation principle is as follows for the automatic stud weld jig: the 3rd cylinder 21 promotes tooth bar 24 translations when the 3rd cylinder 21 loads malleation, rack drives change- speed gearing 27 and 28 rotates, change-speed gearing drives objective table 29 and transition gear 30 rotates, thereby has realized the automated exchanged cutter of automatic stud welding and clamping device.When the 3rd cylinder 21 added back-pressure, the 3rd cylinder 21 oppositely pulled tooth bar, drove change-speed gearing and rotated, and objective table 29 reverses, thereby had realized the automatic dismantling of automatic stud welding and clamping device.The stroke of adjusting the 3rd cylinder 21 by designing an adjusting nut 24 and adjustment bolt 25 makes the stroke of the 3rd cylinder 21 precisely controlled, thereby the rotating cycle of automatic stud welding and clamping device is precisely controlled, has realized automatic stud weld jig apparatus for automatic change reliability service.Can regulate accurately the stroke of the 3rd cylinder 21 in this device by the extension elongation of regulating adjusting nut 24 and adjustment bolt 25, when bolt stretch out quantitative change when large the stroke of cylinder diminish, the rotating cycle of automatic stud welding and clamping device tails off, the stroke of cylinder becomes large when the overhang of bolt diminishes, and it is many that the rotating cycle of automatic stud welding and clamping device becomes.
In conjunction with Fig. 5, automatic stud welding and clamping device structure is as follows: chuck 36 is fixed with upper plate 39 along equally distributed three hexagon socket head cap screws 37 of axis circumferencial direction by three.Sleeve is fixed on upper plate, and vertical rod 41 is connected by screw thread with lower plate 42.Vertical rod 41 can be free to slide vertically in sleeve 45 holes.Spring 40 between the lower convex platform face of sleeve 45 and vertical rod 41, and is in compressive state.Nut 38 is threaded with vertical rod 41, and is positioned at the upper surface of upper plate 39.Automatic stud welding and clamping device operation principle is as follows:, by open a right angle lead angle with guiding function in double-screw bolt chuck 36 lower surfaces, make the clamping of double-screw bolt have automatic center to orthofunction.Connect by spring 40 and guide rod 41 between upper plate 39 and lower plate 42, realized the pre compressed magnitude of needed adjustable (3-5mm) in the stud welding technology.The scope of the attainable pre compressed magnitude of the present invention is 0-30mm.Three by lower plate 42 lower ends are uniformly distributed spring leaf and have realized the function of lower plate clamping porcelain ring.
described upper plate center arranges chuck, this chuck is connected mutually through upper plate and with upper plate, the bottom of chuck arranges some flexible blades that have, this blade can rely on the elasticity of self to pick up the double-screw bolt that gos deep into wherein, the below of upper plate arranges lower plate, on, be connected by column between lower plate, the column outer cover has spring, upper plate can move up and down along column, the lower plate center arranges through hole, the diameter of this through hole is greater than the maximum gauge of double-screw bolt, the periphery of through hole arranges some shell fragments, described shell fragment be evenly distributed in through hole around, this shell fragment relies on the elasticity of self to pick up the ceramic ring that gos deep into wherein.
The automatic stud welding and clamping device is being applied for another part patent on the same day, and patent name is " robot major diameter automatic stud weldering welding gun ".
A kind of stud flexible welding method of the present invention, the concrete welding process of the double-screw bolt of single specification is as follows: first with the steel double-screw bolt of a certain specification with the supporting porcelain ring of this double-screw bolt, be arranged in advance on the double-screw bolt fixed head of automatic stud pay-off.Then robot control system sends a series of control signal and completes whole automatic Arc Welding, specifically comprises the following steps:
On the objective table that the first step, robot movement are complementary to automatic stud welding and clamping device and double-screw bolt to be welded, carry out the installation of automatic stud welding and clamping device;
Second step, robot movement are to the double-screw bolt position automated exchanged cutter double-screw bolt to be welded of automatic stud pay-off;
The 3rd step, robot movement arrive the position of work to be welded, complete the automatic stud welding of double-screw bolt to be welded.
It comprises the following steps when double-screw bolt to be welded is different size:
On the objective table that step 1, robot movement are complementary to automatic stud welding and clamping device and double-screw bolt to be welded, carry out the installation of automatic stud weld clip assembling device;
Step 4, robot movement to the automatic stud welding and clamping device with welded on the objective table that double-screw bolt is complementary, carry out the dismounting of automatic stud welder;
On the objective table that step 5, robot movement are complementary to automatic stud welding and clamping device and double-screw bolt to be welded, carry out the installation of automatic stud welder;
In the present invention, the automatic stud pay-off can be quickly and reliably two automatic arc stud welding machine transfer feeds.The automatic stud welding and clamping device can quickly and reliably be realized the automatic replacing of double-screw bolt.Automatic stud pay-off and automatic stud weld jig more changing device evenly carry out programming Control by robot control system, are beneficial to safely, automatically, accurately carry out process control.
This product for the middle major diameter double-screw bolt of different-diameter size, length utilize robot system and automatic stud welding gun design one cover automatic stud pay-off, automatic stud welding and clamping device and automatic stud clamping more changing device realize the full-automatic process of welding process.
Following embodiment describes stud flexible welder of the present invention and method in detail.
Embodiment 1
In conjunction with Fig. 1, the double-screw bolt take diameter 12mm length as 60mm carries out the automatic stud weldering as example on the steel plate of thickness of slab 20mm.With diameter, be first 12mm, length is the steel double-screw bolt of 60mm and 80mm and with the supporting porcelain ring of this double-screw bolt, is arranged in advance on the double-screw bolt fixed head of automatic stud pay-off.Then robot control system sends a series of control signal and completes whole automatic Arc Welding, concrete steps are as follows: (1) robot movement to the corresponding objective table of automatic stud welding and clamping device, carries out the installation of automatic stud welding and clamping device; (2) robot movement is to the double-screw bolt 6 position automated exchanged cutter double-screw bolts of automatic stud pay-off; (3) robot movement, to the assigned address automatic welding of work to be welded, is completed whole automatic stud welding process.
In conjunction with Fig. 1, take diameter as 12mm length as 60mm and the double-screw bolt of diameter as 22mm length as 60mm carry out automatic stud weldering as example on the steel plate of thickness of slab 20.With diameter, be first the steel double-screw bolt of 12mm and 22mm and with the supporting porcelain ring of this double-screw bolt, be arranged in advance on the double-screw bolt fixed head of automatic stud pay-off.Then robot control system sends a series of control signal and completes whole automatic Arc Welding, concrete steps are as follows: on the objective table that the double-screw bolt that (1) robot movement is 12mm to automatic stud welding and clamping device and diameter is complementary, carry out the installation of automatic stud welding and clamping device; (2) robot movement is the double-screw bolt of 12mm to the double-screw bolt 6 position automated exchanged cutter diameters of automatic stud pay-off; (3) robot movement is to the assigned address automatic welding of work to be welded, and completing diameter is the automatic stud welding process of the double-screw bolt of 12mm; (4) on the objective table that the robot movement double-screw bolt that is 12mm to automatic stud welding and clamping device and diameter is complementary, carry out the dismounting of automatic stud welding and clamping device; (5) on the objective table that the robot movement double-screw bolt that is 22mm to automatic stud welding and clamping device and diameter is complementary, carry out the installation of automatic stud welding and clamping device; (6) robot movement is the double-screw bolt of 12mm to the double-screw bolt 6 position automated exchanged cutter diameters of automatic stud pay-off; (7) robot movement is to the assigned address automatic welding of work to be welded, and completing diameter is the automatic stud welding process of the double-screw bolt of 22mm, and whole automatic stud welding process is completed.
Claims (5)
1. a stud flexible welder, is characterized in that, comprises more changing device of welding robot, robot control system, automatic stud welding gun, automatic stud pay-off, automatic stud welding and clamping device, automatic stud weld jig, described welding robot, automatic stud welding gun, automatic stud pay-off, automatic stud welding and clamping device, automatic stud weld jig more changing device all are connected with robot control system, receive the control signal of robot control system, wherein the automatic stud pay-off is completed transporting double-screw bolt, the automatic stud welding and clamping device is realized the setting to required pre compressed magnitude in the automated exchanged cutter of double-screw bolt and porcelain ring and welding procedure, the more installation and removal of changing device realization to the automatic stud welding and clamping device of automatic stud weld jig, welding robot more carries out the installation of automatic stud welding and clamping device on the corresponding objective table of changing device at the automatic stud weld jig, and clamping double-screw bolt on the automatic stud pay-off, complete welding finally on workpiece to be welded afterwards, the automatic stud pay-off comprises base [14] and two automatic stud feeders, two automatic stud feeders are fixed on base [14] and about base transverse center plane symmetry by base plate [4], described each automatic stud feeder comprises side plate [1], panel [2], the first riser [3], baffle plate [5], gear shaft [6], the first cylinder [7], double-screw bolt fixed block [8], cylinder cut somebody's hair [9], the second cylinder [10], the second air cylinder base [11], adjust plate [12], open slot [13], the second riser [15], air cylinder support [16], rope support [17] is transferred in left and right, pulley [18], the first cylinder [7] is fixed on base plate [4] top by support, and its top is panel [2], and this panel [2] is fixed on base plate [4] by the first riser [3], the second riser [15], and described the first riser [3], the second riser [15] are positioned at the two ends of base plate [4], panel [2] upper surface arranges two side plates that are parallel to each other [1], the plane at described two side plate places parallels with panel [2], each side plate has chute, gear shaft [6] is arranged in the chute of two side plates and can be free to slide along the chute direction, baffle plate [5], left and right transfer rope support [17] to be connected on gear shaft [6], baffle plate [5] is between biside plate, and left and right transfers rope support [17] to be positioned at the biside plate outside and spacing to gear shaft [6], left and right pulley [1 8] is positioned at the biside plate below and is fixed on pulley spindle, described pulley spindle is connected with the main shaft of the first cylinder [7], above-mentioned pulley is wound with steel wire rope, described steel wire rope one end is fixed on panel [2], the other end is fixed on left and right and transfers on rope support, drives gear shaft [6] parallel in the biside plate chute when the first cylinder [7] moves, the second air cylinder base [11] is arranged on the side of panel [2] lower surface near the second riser [15], the second cylinder [10] is arranged on the second air cylinder base [11] by support, cylinder cut somebody's hair [9] be positioned at the upper surface of panel [2] and with the main shaft of the second cylinder [1 0], be connected, double-screw bolt fixed block [8] is positioned between biside plate [1] and can moves along its chute, adjust plate [12] and be positioned at the side of the upper surface of panel [2] near the second cylinder [10], this adjusts the transverse shifting of plate and baffle plate [5] restriction double-screw bolt fixed block [8].
2. stud flexible welder according to claim 1, it is characterized in that, automatic stud weld jig more changing device comprises power set, transmission device and changing device more, above-mentioned three devices are arranged on the top of clamping bench panel [19], described power set are cylinder, and this cylinder is fixed on clamping bench panel [19] by support, transmission device comprises tooth bar [23], adjusting nut [24], adjust bolt [25], adjust fixed head [26], first-level variable-speed gear [27], two stage speed change gear [28], adjust fixed head [26] and be arranged on clamping bench panel [19] top, adjust the upper tooth bar [23] of placing of fixed head [26], one end of this tooth bar is connected with the main shaft of the 3rd cylinder [21], and move under the drive of this main shaft, first-level variable-speed gear [27], two stage speed change gear [28] is positioned at a side of adjusting fixed head [26], the axis of above-mentioned two change-speed gearings is positioned at the longitudinal median plane of adjusting fixed head [26], the other end of tooth bar [23] is connected with first-level variable-speed gear [27], drive its rotation, adjusting bolt [25] is positioned on tooth bar [23], adjusting nut [24] is spun on to be adjusted on bolt [25], more changing device comprises the whirligig that is connected successively, this whirligig drives mutually by transition gear [32], each whirligig comprises objective table [29], edge pin [30], centrepin [31], objective table gear [34], bearing fixing sleeve cylinder [35], bearing fixing sleeve cylinder [35] is fixed on clamping bench panel [19], objective table [29] is fixed on bearing fixing sleeve cylinder [35] by bearing, objective table gear [34] is fixed on objective table [29] below and drives objective table [29] rotation, edge pin [30] is set on objective table, centrepin [31], centrepin [31] is to automatic stud welding and clamping device location disposed thereon, edge pin [30] drives the automatic stud welding and clamping device rotation that is placed on it.
3. stud flexible welder according to claim 2, is characterized in that, the quantity of whirligig is 6.
4. welding method based on the described stud flexible welder of claim 1, it is characterized in that, it comprises the following steps when double-screw bolt to be welded is same specification: the first step, robot movement to the automatic stud weld jig objective table that more changing device and double-screw bolt to be welded are complementary, are carried out the installation of automatic stud welding and clamping device; Second step, robot movement are to the double-screw bolt position automated exchanged cutter double-screw bolt to be welded of automatic stud pay-off; The 3rd step, robot movement arrive the position of work to be welded, complete the automatic stud welding of double-screw bolt to be welded.
5. the welding method based on the described stud flexible welder of claim 1, is characterized in that, it comprises the following steps when double-screw bolt to be welded is different size:
Step 1, robot movement to the automatic stud weld jig objective table that more changing device and double-screw bolt to be welded are complementary, are carried out the installation of automatic stud welding and clamping device;
Step 2, robot movement are to the double-screw bolt assigned address automated exchanged cutter double-screw bolt to be welded of automatic stud pay-off;
Step 3, robot movement arrive the position of work to be welded, complete the automatic stud welding of double-screw bolt to be welded;
Step 4, robot movement to the automatic stud weld jig more changing device with welded on the objective table that double-screw bolt is complementary, carry out the dismounting of automatic stud welding and clamping device;
Step 5, robot movement to the automatic stud weld jig objective table that more changing device and double-screw bolt to be welded are complementary, are carried out the installation of automatic stud welding and clamping device;
Step 6, robot movement are to the double-screw bolt assigned address automated exchanged cutter double-screw bolt to be welded of automatic stud pay-off;
Step 7, robot movement arrive the position of work to be welded, complete the automatic stud welding of double-screw bolt to be welded.
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