CN-116900562-B - Welding mechanical arm for intelligent construction of process pipeline and welding process thereof

CN116900562BCN 116900562 BCN116900562 BCN 116900562BCN-116900562-B

Abstract

The invention relates to the technical field of welding, in particular to a welding mechanical arm for intelligent construction of a process pipeline and a welding process thereof, and the welding mechanical arm comprises a base, wherein the upper end face of the base is fixedly connected with a fixed rod, the inside of the right end face of the fixed rod is provided with a lifting mechanism, the inside of the upper end face of the fixed rod is slidably connected with a sliding rod, the inside of the upper end face of the sliding rod is provided with a bearing seat bracket, the upper end face of the bearing seat bracket is fixedly connected with a sliding sleeve, the inner cavity of the sliding sleeve is slidably connected with an electric push rod, the inside of the output end of the electric push rod is rotatably connected with a rotating pin shaft, and the outside of one end of the rotating pin shaft, which is far away from the electric push rod, is provided with a fixing frame.

Inventors

LIN JING
Yin Yongyong
YAN WENRONG
YE MAOYANG
ZENG LIPING
LI QINGYAO
LUO LU
WANG YUXIN
DAI RUI
WU XIAOHUI

Assignees

中建安装集团有限公司

Dates

Publication Date: 20260508
Application Date: 20230727

Claims (5)

1. A welding mechanical arm for intelligent construction of a process pipeline comprises a base (1) and is characterized in that the upper end face of the base (1) is fixedly connected with a fixed rod (2), the right end face of the fixed rod (2) is internally provided with a lifting mechanism (3), the upper end face of the fixed rod (2) is internally connected with a sliding rod (5) in a sliding manner, the upper end face of the sliding rod (5) is internally provided with a bearing seat bracket (6), the upper end face of the bearing seat bracket (6) is fixedly connected with a sliding sleeve (7), the inner cavity of the sliding sleeve (7) is slidingly connected with an electric push rod (9), the output end of the electric push rod (9) is internally connected with a rotating pin shaft (15) in a rotating manner, and one end of the rotating pin shaft (15) far away from the electric push rod (9) is externally provided with a fixing frame (10); one end, far away from the rotating pin shaft (15), of the fixing frame (10) is fixedly connected with a semicircular support frame (11), a limiting chute (18) is arranged outside the semicircular support frame (11), and an inner cavity of the limiting chute (18) is slidably connected with a semicircular gear ring (12); a servo push rod (16) is arranged on the lower end surface of the semicircular gear ring (12), and the servo push rod (16) is fixedly connected with a clamping mechanism (17) through an output shaft; the two ends of the fixing frame (10) are respectively fixed with a micro motor (13), the micro motors (13) are fixedly connected with gears (14) through output shafts, and the gears (14) are in meshed connection with semicircular gear rings (12); The clamping mechanism (17) comprises a fixed plate (171), an electrified interface (172), a groove (173), a knob (174), a bidirectional threaded rod (175), a conductive plate (176), a carbon brush block (177), a clamping block (178) and a clamping groove (179), wherein the servo push rod (16) is fixedly connected with the fixed plate (171) through an output shaft, the lower end surface of the fixed plate (171) is provided with the groove (173), the inner cavity of the groove (173) is rotationally connected with the bidirectional threaded rod (175) through a bearing, the left end surface of the bidirectional threaded rod (175) is fixedly connected with the knob (174), and the bidirectional threaded rod (175) and the knob (174) are made of insulating materials; The welding rod is characterized in that a clamping block (178) is connected to the outside thread of the bidirectional threaded rod (175), a carbon brush block (177) is arranged at one end of the bottom of an inner cavity of the groove (173), a conductive plate (176) is arranged at the bottom of the inner cavity of the groove (173), an energizing interface (172) is arranged on the right end face of the fixing plate (171), the carbon brush block (177) is attached to the conductive plate (176), clamping grooves (179) are formed in the mutually approaching surfaces of the clamping blocks (178), conductive blocks are arranged in the inner cavity of the clamping grooves (179), and welding rods clamped in the inner cavity of the clamping grooves (179) are energized through the conductive blocks.
2. The welding mechanical arm for intelligent construction of a process pipeline according to claim 1, wherein a fastening bolt (8) is connected to the inner portion of the upper end face of the sliding sleeve (7) in a threaded mode, a rubber anti-slip pad is arranged on the lower end face of the fastening bolt (8), and an electric push rod (9) in an inner cavity of the sliding sleeve (7) is extruded and fixed through the fastening bolt (8).
3. The welding mechanical arm for intelligent construction of a process pipeline according to claim 1, wherein the lifting mechanism (3) comprises a crank (301), a driving bevel gear (302), a driven bevel gear (303), a threaded rod (304) and a containing groove (305), the containing groove (305) is formed in the upper end face of the fixed rod (2), the driven bevel gear (303) is rotatably connected to the bottom of an inner cavity of the containing groove (305) through a bearing, and the threaded rod (304) is fixedly connected to the inner part of the upper end of the driven bevel gear (303).
4. A welding manipulator for intelligent construction of a process pipeline according to claim 3, wherein the threaded rod (304) is externally connected with a sliding rod (5) in a threaded manner, the driven bevel gear (303) is connected with a transmission bevel gear (302) in a meshed manner, and one end, far away from the driven bevel gear (303), of the transmission bevel gear (302) is fixedly connected with a crank (301).
5. The welding process of a welding robot for intelligent construction of process piping according to claim 4, comprising the steps of: S1, placing a pipeline to be welded on a placing rack or supporting the pipeline away from the ground by using a bracket, then using a universal wheel (4) to move a base (1) to the pipeline to be welded by an operator, using a rotating pin shaft (15) to rotate a fixing frame (10) for adjusting an angle, holding a crank (301) to rotate a transmission bevel gear (302) to drive a driven bevel gear (303), enabling the driven bevel gear (303) to rotate a threaded rod (304) to drive a threaded sliding rod (5) to be slidably connected in an inner cavity of a containing groove (305), further enabling the sliding rod (5) to push a sliding sleeve (7) by using a bearing bracket (6) to drive an electric push rod (9) to lift and adjust the height, so that a semicircular support frame (11) can be leveled with the pipeline to be welded, and simultaneously using the bearing bracket (6) to rotate the electric push rod (9) for three hundred sixty degrees, and starting the electric push rod (9) to push the fixing frame (10) to drive the semicircular support frame (11) to slide into the outer part of the pipeline to be welded; S2, when welding the pipeline, a person places welding rods between the clamping blocks (178), then holds the knob (174) to rotate the bidirectional threaded rod (175) to drive the clamping blocks (178), and enables the clamping blocks (178) to be in sliding connection with the inner cavity of the groove (173) to be close to each other, so that the clamping blocks (178) clamp and fix the welding rods by using the clamping grooves (179), then the person inserts required electric wires into the inner cavity of the electric connection interface (172), and enables the electric connection interface (172) to electrify the conductive plates (176), so that the conductive plates (176) are matched with the carbon brush blocks (177) to electrify the conductive blocks in the inner cavity of the clamping grooves (179) by using the wires, and then electrifies the welding rods by using the conductive blocks when welding the pipeline; S3, after the welding rod is ready, a person starts the micro motor (13) to rotate the gear (14), and enables the gear (14) to drive the semicircular gear ring (12) to be slidably connected in an inner cavity of a limiting chute (18) outside the semicircular support frame (11), so that the semicircular gear ring (12) drives the servo push rod (16) in the rotating process, and then the servo push rod (16) drives the clamping mechanism (17) through the output shaft to be welded with the welding rod around the pipeline.

Description

Welding mechanical arm for intelligent construction of process pipeline and welding process thereof Technical Field The invention relates to the technical field of welding, in particular to a welding mechanical arm for intelligent construction of a process pipeline and a welding process thereof. Background Welding, also known as fusion welding, is a process and technique for joining metals or other thermoplastic materials such as plastics by heating, high temperature or high pressure, and the energy sources of modern welding are numerous and include gas flame, electric arc, laser, electron beam, friction, ultrasonic, etc. In addition to use in factories, welding can also be performed in a variety of environments, such as in the field, underwater, and in space. Wherever welding may present a hazard to the operator, appropriate safeguards must be taken when welding. The possible injuries to the human body caused by welding include burn, electric shock, vision damage, inhalation of toxic gas, excessive ultraviolet irradiation and the like. The existing welding mechanical arm for intelligent construction of the process pipeline is inconvenient to adjust the height and angle according to the position of the required welded pipeline, so that the problem of the welding efficiency of the pipeline is greatly reduced, and when the pipeline is welded, the welding mechanical arm is inconvenient to rotate for three hundred and sixty degrees around the pipeline, so that the pipeline cannot be welded. Disclosure of Invention The invention aims to provide a welding mechanical arm for intelligent construction of a process pipeline and a welding process thereof, so as to solve the problems in the background art. In order to achieve the above purpose, the present invention provides the following technical solutions: The utility model provides a welding arm and welding process for technology pipeline intelligence is built, includes the base, base up end fixedly connected with dead lever, the inside elevating system that is provided with of dead lever right-hand member face, the inside sliding connection of dead lever up end has the slide bar, slide bar up end internally mounted has the bearing frame bracket, bearing frame bracket up end fixedly connected with sliding sleeve, sliding sleeve inner chamber sliding connection has electric putter, electric putter's the inside rotation of output is connected with the rotation round pin axle, rotation round pin axle keeps away from electric putter one end externally mounted and has the mount. Furthermore, one end of the fixing frame, which is far away from the rotating pin shaft, is fixedly connected with a semicircular support frame, a limiting chute is arranged outside the semicircular support frame, and a semicircular gear ring is slidably connected in an inner cavity of the limiting chute. Furthermore, the upper end face of the fixing frame is fixedly connected with a miniature motor, the miniature motor is fixedly connected with a gear through an output shaft, and the gear is in meshed connection with a semicircular gear ring. Furthermore, a servo push rod is arranged on the lower end face of the semicircular gear ring, and the servo push rod is fixedly connected with a clamping mechanism through an output shaft. Furthermore, the inside threaded connection of sliding sleeve up end has the binding bolt, the terminal surface is provided with rubber slipmat under the binding bolt, and extrudees fixedly to the electric putter in the sliding sleeve inner chamber through the binding bolt. Still further, elevating system is including crank, drive bevel gear, driven bevel gear, threaded rod and accomodate the groove, the dead lever up end is inside to be provided with accomodates the groove, accomodate the inslot chamber bottom and rotate through the bearing and be connected with driven bevel gear, the inside fixedly connected with threaded rod of driven bevel gear upper end. Furthermore, the external thread of threaded rod is connected with the slide bar, driven bevel gear meshing is connected with drive bevel gear, drive bevel gear keeps away from driven bevel gear one end fixedly connected with crank. Still further, fixture is including fixed plate, circular telegram interface, recess, knob, two-way threaded rod, current-conducting plate, carbon brush piece, clamp splice and double-layered groove, servo push rod passes through output shaft fixedly connected with fixed plate, the terminal surface is provided with the recess under the fixed plate, the recess inner chamber is connected with two-way threaded rod through the bearing rotation, two-way threaded rod left end face fixedly connected with knob, and two-way threaded rod and knob all adopt insulating material to make. Still further, the outside threaded connection of bi-directional threaded rod has the clamp splice, the clamp splice is located recess inner chamber bottom one end and is provided with the carbon brush piece, recess