CN202639600U - System for welding longitudinal joint of housing body of punching-welded bridge housing through three-station robots - Google Patents

System for welding longitudinal joint of housing body of punching-welded bridge housing through three-station robots Download PDF

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Publication number
CN202639600U
CN202639600U CN 201220229864 CN201220229864U CN202639600U CN 202639600 U CN202639600 U CN 202639600U CN 201220229864 CN201220229864 CN 201220229864 CN 201220229864 U CN201220229864 U CN 201220229864U CN 202639600 U CN202639600 U CN 202639600U
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China
Prior art keywords
welding
robot
station
lifting mechanism
controller
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Expired - Fee Related
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CN 201220229864
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Chinese (zh)
Inventor
黄士勇
姚璐
李磊
武艳梅
张小明
梅荣娣
刘军伟
张志超
袁四新
郭茂初
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Dongfeng Dana Axle Co Ltd
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Dongfeng Dana Axle Co Ltd
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Priority to CN 201220229864 priority Critical patent/CN202639600U/en
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Publication of CN202639600U publication Critical patent/CN202639600U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a system for welding a longitudinal joint of a housing body of a punching-welded bridge housing through three-station robots used for automatically welding the longitudinal joint of the bridge housing. Reciprocating type sliding tables are arranged on a feeding place and a discharge place of a main body, the reciprocating type sliding tables are provided with lifting mechanisms, a welding positioner is arranged between a lifting mechanism 2 and a lifting mechanism 3, self-centering clamps are respectively fixed on a station 2 and a station 4, a pneumatic tail shaft box spindle is connected with a servo motor, and a welding positioner is fixed on a station 3; welding robots are respectively arranged on a portal frame and above both sides of the station 2; the servo motor, a pneumatic tail shaft box, a water tank, a welding power source, a relay terminal box, a transformer, a robot controller and a controller are respectively connected with an operating desk. The system comprises three stations, and has the advantages of simple and easy operation, high rotating precision, stable welding quality, artistic appearance of a weld, automatic gun cleaning function, high production efficiency, low labor intensity, and capability of solving the welding fume problem, improving the labor environment, preventing an operator from sucking harmful gas, and effectively ensuring the labor intensity and safety.

Description

Punching weldering axle housing three welded case longitudinal joint systems of station robot
Technical field
The utility model relates to field of automobile, is automatic welding punching weldering axle housing housing longitudinal joint system of a kind of robot specifically.
Background technology
Axle housing is the important spare part on the vehicle bridge, and the quality standard of axle housing housing welding is required as without any weld defect.At present, what the axle housing shaft pipe welding mostly adopted is special welding machine, although can satisfy welding quality, but because axle housing length has error, need manually to adjust the position about welding gun before each welding, and in welding process, also need manual observation, occur also needing in time to transfer rifle when unusual, specification requirement to operating personnel is higher, and labour intensity is large, be prone to be partially welded, the deficiency of repair welding.
Summary of the invention
For overcoming the deficiencies in the prior art, goal of the invention of the present utility model is to provide a kind of punching to weld axle housing three welded case longitudinal joint systems of station robot, to realize the stabilizing and increasing longitudinal seam welding quality, improves simultaneously the purpose of labor strength.
For achieving the above object, advancing on the workbench body of the present utility model, reciprocating type slide unit one is equipped with respectively in discharging place, reciprocating type slide unit two, be provided with the lifting mechanism one of anchor clamps one on the reciprocating type slide unit one, lifting mechanism two with anchor clamps two, reciprocating type slide unit two is provided with the lifting mechanism three with anchor clamps three, lifting mechanism four with anchor clamps four, positioner is contained between lifting mechanism two and the lifting mechanism three, station two places are fixed with the self-centering fixture one by one control of Pneumatic tail axle box, station is fixed with the self-centering fixture two by two controls of Pneumatic tail axle box everywhere, the rotating shaft of Pneumatic tail axle box is connected with servomotor, and station three places are fixed with the positioner by servomotor control; Support bracket is by realizing that cylinder and end face locating piece that Support bracket moves up and down form, and end face locating piece and workpiece end face are fitted; On the portal frame of workbench body, top, the both sides of station two is equipped with respectively welding robot one, welding robot two; Water tank and welding robot one, welding gun in the welding robot two communicates, welding robot one, welding gun cleaner on the welding robot two and robot controller one, robot controller two connects, welding robot one, welding robot two respectively with robot controller one, robot controller two connects, controller respectively with servomotor, the Pneumatic tail axle box, robot controller one, robot controller two connects, servomotor, the Pneumatic tail axle box, water tank, the source of welding current and relay terminal box, transformer, robot controller one, robot controller two, controller is connected with operating desk respectively, robot controller one, robot controller two is connected with the source of welding current, and transformer is connected with the source of welding current.
The welding system of welding robot arranges totally-enclosed protector outward, and extractor fan is equipped with in the top of totally-enclosed protector; The place ahead of body is provided with automatically-controlled door.
Robot controller of the present utility model is equipped with the arc voltage reponse system, seeks position and welding tracking system, can not only Automatic-searching and follow the tracks of seam, and can also automatically carry out certain self adaptation to groove (gap) width change and regulate; Special-purpose self-centering fixture has adopted the 4th advanced axle, and is equipped with servomotor, can well control running accuracy; Increased Support bracket (alignment device before the weldering), cylinder drives Support bracket and rises to hold the axle housing end face, and the arc position is received in the accurately positioning welding starting the arc of being combined with servomotor; Realized robot welding system and clamping system synchronous coordination function, the motion synthesis of machine human motion and anchor clamps makes welding robot can satisfy the requirement that seam track can satisfy again speed of welding and posture of welding torch with respect to the motion of workpiece.
The utility model compared with prior art has the following advantages.
1, the utility model comprises three stations, the intermediate stations upset, and two stations are welding posts in addition, and one of them station has welded rear robot and has directly jumped to another station welding, and robot is working always, can greatly improve the robot operating efficiency.
2, dual robot welds axle housing both sides longitudinal joint simultaneously, seeks position and welding tracking system by outfit, has effectively guaranteed welding quality, makes welding quality more stable, and appearance of weld is more attractive in appearance.
3, have simple and easy maneuverability, reduced the dependence of special welding machine to workman's operating technology.
4, with the welding gun cleaner, integrated by with robot system possesses automatically clear rifle function, is soldered rear Automatic clearance torch neck and cuts welding wire, increased substantially production efficiency, reduced labour intensity.
5, can solve robot welding flue dust problem, improve workman's work situation, prevent that the operative employee from sucking pernicious gas, labour intensity and security obtain effective guarantee.
6, overall process is produced automatically, need not manually-operated.
Description of drawings
Fig. 1 is stereochemical structure simplified schematic diagram of the present utility model.
Fig. 2 is the front view of Fig. 1.
Fig. 3 is the top view of Fig. 1.
Such as Fig. 1, Fig. 2, shown in Figure 3, Fig. 1, removed hermetically sealed protector 31 among Fig. 3, advancing on the workbench body 1, reciprocating type slide unit 1 is equipped with respectively in discharging place, reciprocating type slide unit 23, be provided with the lifting mechanism 1 of anchor clamps 1 on the reciprocating type slide unit 1, lifting mechanism 27 with anchor clamps 26, reciprocating type slide unit 23 is provided with the lifting mechanism 39 with anchor clamps 38, lifting mechanism 4 11 with anchor clamps 4 10, positioner 12 is contained between lifting mechanism 27 and the lifting mechanism 39, station 2 13 places are fixed with the self-centering fixture 1 by one 14 controls of Pneumatic tail axle box, station 4 16 places are fixed with the self-centering fixture 2 18 by 2 17 controls of Pneumatic tail axle box, the rotating shaft of Pneumatic tail axle box is connected with servomotor, adopted the 4th advanced axle, and the outfit servomotor, can well control running accuracy; Station 3 19 places are fixed with the positioner 12 by servomotor control; Support bracket 37 is comprised of cylinder and end face locating piece, can realize moving up and down of Support bracket 37 by cylinder, and end face locating piece and workpiece end face are fitted, and guarantees the horizontal positioned of workpiece; After 37 liftings of supported carriage put in place, the self-centering fixture of Pneumatic tail axle box control was with Workpiece clamping, and the welding robot redirect is welded; On the portal frame 20 of workbench body 1, top, the both sides of station 2 13 is equipped with respectively welding robot 1, welding robot 2 22; Water tank 23 communicates with welding gun in welding robot 1, the welding robot 2 22, automatic water-cooling cooling when realizing in the welding process welding gun excess Temperature; Welding gun cleaner 24 on welding robot 1, the welding robot 2 22 is connected with robot controller 1, robot controller 2 26, integrated by with robot system, the function of Automatic clearance torch neck and automatic shearing welding wire after possessing welding and finishing; Welding robot 1, welding robot 2 22 are connected with robot controller 1, robot controller 2 26 respectively, controller 27 is connected with servomotor 28, Pneumatic tail axle box, robot controller 1, robot controller 2 26 respectively, servomotor, Pneumatic tail axle box, water tank 23, the source of welding current 29 and relay terminal box, transformer 30, robot controller 1, robot controller 2 26, controller 27 are connected with operating desk 1 respectively, realize respectively various functions of the present utility model by the button of operating desk; Robot controller 1, robot controller 2 26 are connected with the source of welding current 29, realize the control of welding parameters and welding robot human action; Transformer 30 is connected with the source of welding current 29.Welding robot is selected AX-MV6, and robot controller is equipped with the arc voltage reponse system, seeks position and welding tracking system, can not only Automatic-searching and follow the tracks of seam, and can also automatically carry out certain self adaptation to groove (gap) width change and regulate.
The welding system of welding robot arranges totally-enclosed protector 31 outward, and extractor fan 32 is equipped with in the top of totally-enclosed protector 31; The place ahead of body 1 is provided with automatically-controlled door 33.Prevent that unrelated person from entering welding region in the working time, effectively solve robot welding flue dust problem.
After last process of the present utility model finishes, roller-way falls workpiece is placed on the lifting mechanism 1, lifting mechanism 1 slides into station 2 13 through reciprocating type slide unit 1 by station 1, lifting mechanism one 5 liftings are packed workpiece on the self-centering fixture 1 of welding post 2 13, the locating clip clamping of workpieces, and lifting mechanism 1 falls, automatically-controlled door 33 is closed, robot begins weld job, and simultaneously, lifting mechanism 1 slides into station 1 through reciprocating type slide unit 1 by station 2 13 and waits for next circulation.
Welding finishes, lifting mechanism 27 lifting pickups, lifting mechanism 27 falls, lifting mechanism 27 mechanisms slide into station 3 19 by station 2 13 through reciprocating type slide unit 23, lifting mechanism 27 liftings are packed workpiece on positioner 12 chucks, lifting mechanism 27 falls, slip back to station 2 13 through reciprocating type slide unit 23, positioner 12 is with 180 ° of workpiece rotatings simultaneously, lifting mechanism 39 slides into station 3 19 simultaneously, workpiece is got in lifting mechanism 39 liftings, lifting mechanism 39 falls, lifting mechanism 39 liftings are packed workpiece on the self-centering fixture 2 18 of welding post 4 16, the locating clip clamping of workpieces, lifting mechanism 39 falls, welding robot 1, welding robot 2 22 jumps to
Figure 342753DEST_PATH_IMAGE001
, robot begins weld job,
Figure 417019DEST_PATH_IMAGE001
Welding finishes, and lifting mechanism 4 11 slides into
Figure 85898DEST_PATH_IMAGE001
, workpiece is got in lifting mechanism 4 11 liftings, and lifting mechanism 4 11 falls, and lifting mechanism 4 11 arrives with reciprocating type slide unit 23
Figure 79262DEST_PATH_IMAGE002
Go out the part position, roller-way rises takes away workpiece, and simultaneously, lifting mechanism 39 slides into station 3 19 through reciprocating type slide unit 23 by station 4 16 and waits for next circulation.
After the workman drags workpiece away, by ready button.After being soldered, airtightly took out dirt 2 minutes, automatically-controlled door 33 is opened, and above-mentioned steps is back and forth carried out.

Claims (3)

1. axle housing three welded case longitudinal joint systems of station robot are welded in a punching, it is characterized in that: advancing on the workbench body (1), reciprocating type slide unit one (2) is equipped with respectively in discharging place, reciprocating type slide unit two (3), be provided with the lifting mechanism one (5) of anchor clamps one (4) on the reciprocating type slide unit one (2), lifting mechanism two (7) with anchor clamps two (6), reciprocating type slide unit two (3) is provided with the lifting mechanism three (9) with anchor clamps three (8), lifting mechanism four (11) with anchor clamps four (10), positioner (12) is contained between lifting mechanism two (7) and the lifting mechanism three (9), station two (13) locates to be fixed with the self-centering fixture one (15) by one (14) control of Pneumatic tail axle box, station four (16) locates to be fixed with the self-centering fixture two (18) by two (17) controls of Pneumatic tail axle box, the rotating shaft of Pneumatic tail axle box is connected with servomotor, and station three (19) locates to be fixed with the positioner (12) by servomotor control; Support bracket (37) is by realizing that cylinder and end face locating piece that Support bracket (37) moves up and down form, and end face locating piece and workpiece end face are fitted; The portal frame (20) of workbench body (1) is upper, welding robot one (21), welding robot two (22) are equipped with respectively in top, the both sides of station two (13); Water tank (23) and welding robot one (21), welding gun in the welding robot two (22) communicates, welding robot one (21), welding gun cleaner (24) on the welding robot two (22) and robot controller one (25), robot controller two (26) connects, welding robot one (21), welding robot two (22) respectively with robot controller one (25), robot controller two (26) connects, controller (27) respectively with servomotor (28), the Pneumatic tail axle box, robot controller one (25), robot controller two (26) connects, servomotor, the Pneumatic tail axle box, water tank (23), the source of welding current (29) and relay terminal box, transformer (30), robot controller one (25), robot controller two (26), controller (27) is connected with operating desk (36) respectively, robot controller one (25), robot controller two (26) is connected with the source of welding current (29), and transformer (30) is connected with the source of welding current (29).
2. axle housing three welded case longitudinal joint systems of station robot are welded in punching according to claim 1, it is characterized in that: the welding system of the welding robot of welding robot one (21), welding robot two (22) arranges totally-enclosed protector (31) outward, and extractor fan (32) is equipped with in the top of totally-enclosed protector (31).
3. axle housing three welded case longitudinal joint systems of station robot are welded in punching according to claim 1, and it is characterized in that: the place ahead of body (1) is provided with automatically-controlled door (33).
CN 201220229864 2012-05-22 2012-05-22 System for welding longitudinal joint of housing body of punching-welded bridge housing through three-station robots Expired - Fee Related CN202639600U (en)

Priority Applications (1)

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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103658503A (en) * 2013-12-11 2014-03-26 山东蓬翔汽车有限公司 Semi-shell displacement conveyor
CN103692117A (en) * 2013-12-06 2014-04-02 中联重科股份有限公司 Automatic feeding equipment of rack pad blocks
CN105081624A (en) * 2014-05-19 2015-11-25 成都环龙智能系统设备有限公司 Part robot welding system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103692117A (en) * 2013-12-06 2014-04-02 中联重科股份有限公司 Automatic feeding equipment of rack pad blocks
CN103692117B (en) * 2013-12-06 2016-03-23 中联重科股份有限公司 The automatic charging equipment of tooth bar cushion block
CN103658503A (en) * 2013-12-11 2014-03-26 山东蓬翔汽车有限公司 Semi-shell displacement conveyor
CN105081624A (en) * 2014-05-19 2015-11-25 成都环龙智能系统设备有限公司 Part robot welding system

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130102

Termination date: 20180522