CN211192578U - Assembly robot welding device in boats and ships - Google Patents
Assembly robot welding device in boats and ships Download PDFInfo
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- CN211192578U CN211192578U CN201921799847.5U CN201921799847U CN211192578U CN 211192578 U CN211192578 U CN 211192578U CN 201921799847 U CN201921799847 U CN 201921799847U CN 211192578 U CN211192578 U CN 211192578U
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Abstract
The utility model relates to an assembly robot welding device in a ship, which comprises a semi-portal mechanism, a robot transverse motion mechanism arranged on the semi-portal mechanism and a robot vertical lifting mechanism; the semi-portal mechanism comprises a portal bottom beam and an end beam, and the portal bottom beam and the end beam are connected through a portal cross beam and a group of portal upright columns; the robot transverse motion mechanism is arranged on the gantry beam and comprises two robot transverse trolleys; the vertical lifting mechanism of the robot is arranged on the robot transverse moving trolley and comprises a driving device and two sets of overlong lifting stand columns connected with the driving device, and the bottom of each overlong lifting stand column is provided with a six-axis welding robot with a welding gun. When the welding robot is used, the stability and the reliability of the welding robot in the process of assembling parts in welding are ensured, and the welding quality and the production efficiency of welding seams are greatly improved.
Description
Technical Field
The utility model belongs to the technical field of welding set's technique and specifically relates to a assemblage robot welding set in boats and ships especially relates to mechanical structure wherein.
Background
In the construction of ship parts, welding work is performed in the whole process from the manufacture of the small assembly members to the construction of the middle assembly members and then to the carrying of the slipway (dock), the welding work is heavy, and the welding quality directly influences the ship performance. The welding technology is a main key technology for building hull parts, the welding quality is an important index for evaluating the shipbuilding quality, and the production efficiency is a main factor influencing the shipbuilding period and the production cost.
In recent years, with the development of shipbuilding industry, the shipbuilding industry in China largely accepts ships with high technology and high added value and various ocean engineering products, and the effect of the welding technology level in the ship manufacturing process is more prominent. According to the characteristics of the existing assembly structure form in China, a shipyard cannot adopt mechanical and automatic welding equipment, all the equipment is manually welded, the efficiency is low, the environment is poor, the labor cost is high, the problems of insufficient execution force of a welding process, difficult process control, unstable welding quality and the like exist, the problems seriously restrict the development of the ship component construction technical level in China and influence the transformation and upgrading of ship construction equipment.
With the disappearance of the population dividend of China, industrial workers are gradually deficient, and the inevitable trend of the development is that robot welding replaces manual welding. The intelligent welding equipment of the robot for assembling in the ship can integrate a large number of structural models, can be automatically adjusted according to the actual condition of a workpiece, can ensure the welding quality, improve the efficiency, is simple and convenient to operate, does not need professional personnel, can effectively improve the production efficiency and the quality stability of assembling in the ship, and further shortens the ship construction period.
Disclosure of Invention
The invention aims to provide an improved welding device of an assembly robot in a ship, which can realize the accurate displacement and positioning of a welding system by arranging a portal system and can realize the purpose of accurately welding a welding seam.
In order to realize the purpose, the technical scheme of the utility model is that: the utility model provides an assemblage robot welding set in boats and ships which characterized in that: the robot welding device comprises a semi-portal mechanism, a robot transverse motion mechanism and a robot vertical lifting mechanism, wherein the robot transverse motion mechanism and the robot vertical lifting mechanism are arranged on the semi-portal mechanism; the semi-portal mechanism comprises a portal bottom beam and an end beam, and the portal bottom beam and the end beam are connected through a portal cross beam and a group of portal upright columns; the robot transverse motion mechanism is arranged on the gantry beam and comprises two robot transverse trolleys, and each robot transverse trolley is provided with a driving mechanism and a transverse drag chain mechanism for realizing transverse precise motion of the welding robot; the vertical lifting mechanism of the robot is arranged on the robot transverse moving trolley and comprises a driving device and two sets of overlong lifting stand columns connected with the driving device, and the bottom of each overlong lifting stand column is provided with a six-axis welding robot with a welding gun.
Preferably, a trolley guide rail matched with the robot transverse trolley is arranged on the gantry beam, the driving mechanism comprises a transverse moving servo motor, a gear and rack mechanism, the transverse moving servo motor is connected with the gear and rack mechanism through a transverse moving reduction box, a transverse moving trolley wheel group matched with the gear and rack is arranged on the robot transverse moving trolley and used for driving the robot transverse moving trolley to move on the trolley guide rail, and transverse moving trolley guide wheels are arranged on two sides of the trolley guide rail.
Furthermore, the lifting driving device comprises a lifting servo motor, a lifting reduction gearbox, a lifting gear and a rack mechanism which are connected with the lifting reduction gearbox, a guide frame is arranged on the transverse moving trolley, the overlong lifting stand column moves along the guide frame under the action of the driving device, and an upper limit switch and a lower limit switch which are matched with the overlong lifting stand column are arranged on the guide frame.
Compared with the prior art, the technical scheme of the utility model except whole technical scheme's improvement, still include the improvement in the aspect of many details, particularly, have following beneficial effect:
(1) technical scheme in, the vertical semi portal structure of large-span is equipped with the two crossbeams of large-span, but the optional position in its motion coverage area can adapt to the various different specifications in the assemblage part welds in the optional position, welding position does not have the position requirement, the commodity circulation transportation is convenient, the place utilization ratio is higher.
(2) The technical scheme of the utility model among, because welding portal span is big, the depth is high, welding robot size of encorbelmenting is great, and welding quality requires very high again to the stability of welding gun motion simultaneously, consequently, all adopted accurate transmission, guiding mechanism with welding directly relevant transverse motion mechanism and vertical motion mechanism to guaranteed welding robot assemblage part in-process stability and reliability in the welding, very big improvement the welding quality of welding seam.
(3) The technical scheme of the utility model in, whole welding process welds the completion in succession, has shortened the dwell time and other transport time among the manual welding process, has saved a large amount of costs of labor, has improved welding production efficiency.
(4) The utility model has the advantages of simple structure, the modularization production and the processing of being convenient for do benefit to the installation of equipment promptly, do benefit to the maintenance of equipment again.
Drawings
Fig. 1 is a schematic structural view of the welding device of the assembling robot of the present invention.
Fig. 2 is a front view of the middle assembling portal frame of the present invention.
Fig. 3 is a top view of the middle assembling portal frame of the present invention.
Fig. 4 is a side view of the middle assembling portal frame of the present invention.
Fig. 5 is a schematic view of the traverse/lift mechanism of the robot of the present invention.
Reference numerals:
the device comprises a ground guide rail 1, a bottom beam driving motor 2, a gantry upright post 3, an electric control cabinet and welding power supply 4, a transverse trolley guide rail 5, a robot transverse trolley 6, an overlong lifting upright post 7, an upper limit switch 8, a transverse servo motor 9 and a transverse gear/rack mechanism 10;
the device comprises a transverse trolley bumper 11, a lifting servo motor 12, a guide frame 13, a vertical drag chain support 14, a vertical drag chain mechanism 15, a wire feeder 16, a lower limit switch 17, a robot base 18, a six-axis robot 19 and a welding gun 20;
a welding platform 21, a bottom beam protective guard 22, a portal beam 23,
The device comprises a beam guardrail 24, an end beam reduction box 25, an end beam driving motor 26, an end beam wheel set 27, a portal bottom beam 28, a bottom beam wheel set 29 and a bottom beam reduction box 30;
the device comprises a beam walking platform 31, a portal connecting beam 32, upper and lower escalator guardrails 33, a portal anti-collision device 34, a transverse moving precision reduction box 35, a transverse drag chain mechanism 36, a transverse moving trolley wheel set 37, a transverse moving trolley guide wheel 38, a lifting gear/rack mechanism 39, a welding gun anti-collision mechanism 40 and a lifting precision reduction box 41.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides an assemblage robot welding set in boats and ships, its difference with prior art lies in: the robot welding device comprises a semi-portal mechanism, a robot transverse motion mechanism and a robot vertical lifting mechanism, wherein the robot transverse motion mechanism and the robot vertical lifting mechanism are arranged on the semi-portal mechanism; the semi-portal mechanism comprises a portal bottom beam and an end beam, and the portal bottom beam and the end beam are connected through a portal cross beam and a group of portal upright columns; the robot transverse motion mechanism is arranged on the gantry beam and comprises two robot transverse trolleys, and each robot transverse trolley is provided with a driving mechanism and a transverse drag chain mechanism for realizing transverse precise motion of the welding robot; the vertical lifting mechanism of the robot is arranged on the robot transverse moving trolley and comprises a driving device and two sets of overlong lifting stand columns (the lifting stroke reaches 4.7 meters) connected with the driving device, and the bottom of each overlong lifting stand column is provided with a six-axis welding robot with a welding gun.
During the use, because welding portal span is big, the depth is high, the welding robot size of encorbelmenting is great, and welding quality requires very high again to the stability of welding gun motion simultaneously, consequently, all adopted accurate transmission, guiding mechanism with the horizontal movement mechanism and the vertical movement mechanism that the welding is directly relevant to guaranteed welding robot and assembled the stability and the reliability of part in-process in the welding, very big improvement the welding quality of welding seam.
In one embodiment, in the semi-portal mechanism, a bottom beam, a double upright column, a double cross beam, a connecting beam and an end beam form a large-span semi-portal (the span is about 24 meters), two sets of wheel set mechanisms and one set of longitudinal driving mechanism are respectively arranged at two ends of the portal so as to ensure that a welding robot moves longitudinally to a specified working area and welds various middle assembled components with different specifications; still set up the staircase guardrail on the semi-portal, the operation conditions and the maintenance of equipment of being convenient for operating personnel observation equipment on the one hand, on the other hand are the safety device who protects equipment such as automatically controlled cabinet, welding power supply and operation maintenance personnel. A welding platform is arranged under the portal beam, an end beam driving motor, an end beam reduction box connected with the end beam driving motor and an end beam wheel set connected with the end beam reduction box are arranged at one end of the end beam, a bottom beam driving motor, a bottom beam reduction box and a bottom beam wheel set connected with the bottom beam reduction box are arranged on the portal bottom beam, and a ground guide rail matched with the bottom beam wheel set is arranged under the portal bottom beam. The front end and the rear end of the portal bottom beam and the portal end beam are both provided with portal anti-collision devices, and one side of the portal upright post is provided with an upper escalator guardrail and a lower escalator guardrail.
The two gantry beams are arranged in parallel, the robot transverse moving trolley is arranged between the two gantry beams, gantry connecting beams are arranged at one ends of the two gantry beams, and transverse beam guardrails and transverse beam pedestrian platforms are arranged at the outer side ends of the two gantry beams respectively.
Specifically, a trolley guide rail matched with the robot transverse trolley is arranged on the gantry beam, the driving mechanism comprises a transverse moving servo motor, a gear and rack mechanism, the transverse moving servo motor is connected with the gear and rack mechanism through a transverse moving reduction box, transverse moving trolley wheel groups matched with the gear and the rack are arranged on the robot transverse moving trolley and used for driving the robot transverse moving trolley to move on the trolley guide rail, and transverse moving trolley guide wheels are arranged on two sides of the trolley guide rail. Each set of transverse trolley realizes the transverse precise motion of the welding robot through a transverse precise gear rack transmission mechanism and a transverse drag chain mechanism; the robot vertical lifting mechanism is arranged on the two robot transverse moving trolleys, two sets of overlength lifting stand columns are mainly arranged, an inverted six-axis robot mechanism with a welding gun is arranged at the bottom of the robot vertical lifting mechanism, and vertical precise movement of the welding robot is realized through a guide frame, a vertical precise gear rack transmission mechanism and a vertical drag chain mechanism on the transverse moving trolleys.
The robot transverse motion mechanism mainly comprises two sets of robot transverse moving trolleys, wherein each set of transverse moving trolley is provided with four sets of wheel set mechanisms and one set of transverse driving mechanism, each driving mechanism is formed by reducing transmission of a precise servo motor through a precise reduction gearbox and driving the transverse moving trolley through a transverse precise gear rack transmission mechanism, and meanwhile, each set of wheel set is also provided with a guide wheel so as to ensure the accuracy of the linear motion of the transverse moving trolley along a guide rail and further ensure the stability of the welding motion of the robot; all data lines, power lines, welding cables and the like move together through the transverse drag chain mechanism installed on the trolley in the moving process, so that the stability of a welding gun of the robot during welding is guaranteed, and the welding quality is further guaranteed.
In the vertical lifting mechanism, two sets of overlength lifting upright columns (the lifting stroke reaches 4.7 meters) with lower ends hanging the welding robot are mainly used, two sets of precise linear guide rail mechanisms and one set of vertical driving mechanism are arranged on the lifting upright columns, the driving device comprises a lifting servo motor, a lifting reduction gearbox, a lifting gear and a rack mechanism which are connected with the lifting reduction gearbox, a guide frame is arranged on the transverse moving trolley, the overlength lifting upright columns move along the guide frame under the action of the driving device, and an upper limit switch and a lower limit switch which are matched with the overlength lifting upright columns are arranged on the guide frame.
Meanwhile, the six-axis welding robot is connected with the overlong lifting stand column through the robot base, and a welding gun, a welding gun collision-prevention mechanism and a wire feeder are arranged on the six-axis welding robot. The guide frame is provided with a vertical drag chain support, and the vertical drag chain support is provided with a vertical drag chain structure.
In another embodiment, the pre-welded assembled components are positioned and installed by the shipyard operator and then placed on the welding platform 21 in preparation for welding. Firstly, an operator operates an electric control cabinet and a welding power supply 4 in a protective guard 22 on a portal bottom beam 28, so that the portal moves on a ground guide rail 1 through a bottom beam driving motor 2, a bottom beam reduction box 30, an end beam driving motor 26 and an end beam reduction box 25 which drive a portal bottom beam wheel set 29 and an end beam wheel set 27 together, and the portal moves to a workpiece position longitudinally, wherein a welding platform 21 is convenient for maintenance personnel to maintain equipment at the top of a cross beam, the bottom beam protective guard 22, the cross beam protective guard 24 and an up-down escalator protective guard 33 are mainly protective facilities for the equipment or the operator, and a portal anti-collision device 34 is a protective device for the portal; then, a transverse movement precise servo motor 9 on the robot transverse movement trolley 6 drives a transverse movement trolley wheel set 37 through the transmission of a transverse movement precise reduction gearbox 35 and a gear/rack mechanism 10, the welding robot is precisely and transversely moved to the position above the initial point of a welding seam, and all data lines, power lines, welding cables and the like simultaneously move together through a transverse drag chain mechanism 36 in the movement process, wherein guide wheels 38 of the transverse movement trolley are arranged on two sides of a guide rail, so that the linear movement precision of the transverse movement trolley is ensured, and a transverse movement trolley anti-collision device 11 is mainly a protective device for the transverse movement trolley; then, the lifting servo motor 12 is started, the ultra-long lifting upright post 7 is driven to descend to the welding seam starting point position along the guide frame 13 through the transmission of the lifting precision reduction gearbox 41 and the lifting gear/rack mechanism 39, wherein the upper limit switch 8 and the lower limit switch 17 can prevent the ultra-long lifting upright post 7 from sliding off the guide frame 13, the welding gun 20 and the wire feeder 16 are installed on the six-axis robot 19 and are inversely hung and fixed below the ultra-long lifting upright post 7 through the robot base 18, the welding gun collision avoidance mechanism 40 is installed at the root of the welding gun and is a safety protection device of the robot, and meanwhile, all welding cables, control wires and other lines are connected and fixed on the vertical drag chain support 14 of the guide frame 13 through the vertical drag chain mechanism 15; and finally, the welding robot realizes actions such as automatic position finding, arc starting, welding seam tracking, arc closing and the like through an intelligent welding control system, and the automatic welding of the assembled welding seam is completed.
The robot welding method and the device for manufacturing the assembled parts in the ship have the following characteristics: the welding device is suitable for welding of assembled parts in ships, and the whole welding process does not need human intervention, so that a large amount of labor cost is saved; the quality of the welding seam is good in identity, and the welding quality is greatly improved; most welding seams are continuously welded by a robot, so that the pause time and other carrying time in the manual welding process are shortened, and the welding production efficiency is improved.
The foregoing is a more detailed description of the invention, taken in conjunction with the accompanying preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described above. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (8)
1. The utility model provides an assemblage robot welding set in boats and ships which characterized in that: the robot welding device comprises a semi-portal mechanism, a robot transverse motion mechanism and a robot vertical lifting mechanism, wherein the robot transverse motion mechanism and the robot vertical lifting mechanism are arranged on the semi-portal mechanism; the semi-portal mechanism comprises a portal bottom beam and an end beam, and the portal bottom beam and the end beam are connected through a portal cross beam and a group of portal upright columns; the robot transverse motion mechanism is arranged on the gantry beam and comprises two robot transverse trolleys, and each robot transverse trolley is provided with a driving mechanism and a transverse drag chain mechanism for realizing transverse precise motion of the welding robot; the vertical lifting mechanism of the robot is arranged on the robot transverse moving trolley and comprises a driving device and two sets of overlong lifting stand columns connected with the driving device, and the bottom of each overlong lifting stand column is provided with a six-axis welding robot with a welding gun.
2. The welding device of the assembling robot in the ship according to claim 1, wherein: the gantry beam is provided with a trolley guide rail matched with the robot transverse trolley, the driving mechanism comprises a transverse moving servo motor, a gear and rack mechanism, the transverse moving servo motor is connected with the gear and rack mechanism through a transverse moving reduction box, the robot transverse moving trolley is provided with a transverse moving trolley wheel set matched with the gear and rack for driving the robot transverse moving trolley to move on the trolley guide rail, and the two sides of the trolley guide rail are provided with transverse moving trolley guide wheels.
3. The welding device of the assembling robot in the ship according to claim 1, wherein: the driving device comprises a lifting servo motor, a lifting reduction gearbox, a lifting gear and a rack mechanism, wherein the lifting gear and the rack mechanism are connected with the lifting reduction gearbox, a guide frame is arranged on the transverse moving trolley, the overlong lifting stand column moves along the guide frame under the action of the driving device, and an upper limit switch and a lower limit switch matched with the overlong lifting stand column are arranged on the guide frame.
4. The welding device of the assembling robot in the ship according to claim 1, wherein: six welding robots are connected with the overlength lifting upright post through the robot base, and the six welding robots are provided with welding guns and wire feeders.
5. The welding device of the assembling robot in the ship according to claim 3, wherein: the guide frame is provided with a vertical drag chain support, the vertical drag chain support is provided with a vertical drag chain structure, and one side of the overlong lifting upright post is provided with an upper escalator guardrail and a lower escalator guardrail.
6. The welding device of the assembling robot in the ship according to claim 1, wherein: a welding platform is arranged under the portal beam, an end beam driving motor, an end beam reduction box connected with the end beam driving motor and an end beam wheel set connected with the end beam reduction box are arranged at one end of the end beam, a bottom beam driving motor, a bottom beam reduction box and a bottom beam wheel set connected with the bottom beam reduction box are arranged on the portal bottom beam, and a bottom surface guide rail matched with the bottom beam wheel set is arranged under the portal bottom beam.
7. The welding device of the assembling robot in the ship according to claim 1, wherein: and two sides of the portal bottom beam are respectively provided with a bottom beam protective guard, and a portal anti-collision device is arranged on the portal end beam.
8. The welding device of the assembling robot in the ship according to claim 1, wherein: the two gantry cross beams are arranged in parallel, the robot transverse moving trolley is arranged between the two gantry cross beams, gantry connecting beams are arranged at one ends of the two gantry cross beams, and cross beam guardrails and a cross beam pedestrian platform are arranged at the outer side ends of the two gantry cross beams respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921799847.5U CN211192578U (en) | 2019-10-24 | 2019-10-24 | Assembly robot welding device in boats and ships |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921799847.5U CN211192578U (en) | 2019-10-24 | 2019-10-24 | Assembly robot welding device in boats and ships |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211192578U true CN211192578U (en) | 2020-08-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921799847.5U Active CN211192578U (en) | 2019-10-24 | 2019-10-24 | Assembly robot welding device in boats and ships |
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| Country | Link |
|---|---|
| CN (1) | CN211192578U (en) |
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2019
- 2019-10-24 CN CN201921799847.5U patent/CN211192578U/en active Active
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| CP01 | Change in the name or title of a patent holder |
Address after: No.855, cenglin Road, Lingang New Town, Pudong New Area, Shanghai, 201306 Patentee after: SHANGHAI LINGANG SHIPBUILDING EQUIPMENT Ltd. CORP CSSC Patentee after: Shanghai Shipbuilding Technology Research Institute (the 11th Research Institute of China Shipbuilding Corp.) Address before: No.855, cenglin Road, Lingang New Town, Pudong New Area, Shanghai, 201306 Patentee before: SHANGHAI LINGANG SHIPBUILDING EQUIPMENT Ltd. CORP CSSC Patentee before: SHIPBUILDING TECHNOLOGY Research Institute (NO 11 RESEARCH INSTITUTE OF CHINA STATE SHIPBUILDING Corp.,Ltd.) |
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| CP01 | Change in the name or title of a patent holder |