CN112171173A - Auxiliary positioning device for mechanical automation welding - Google Patents
Auxiliary positioning device for mechanical automation welding Download PDFInfo
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- CN112171173A CN112171173A CN202011235216.8A CN202011235216A CN112171173A CN 112171173 A CN112171173 A CN 112171173A CN 202011235216 A CN202011235216 A CN 202011235216A CN 112171173 A CN112171173 A CN 112171173A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0533—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor external pipe alignment clamps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention relates to the technical field of welding positioning, in particular to an auxiliary positioning device for mechanical automatic welding, which comprises a fixed plate, wherein the top surface of the fixed plate is connected with two first bottom plates in a sliding manner, a U-shaped table is fixedly connected between the top surface of the fixed plate and the two first bottom plates, the top surface of the fixed plate is provided with a second bottom plate, and the bottom surfaces of the second bottom plates are respectively provided with a plurality of supporting columns. According to the invention, the first bottom plates at two sides are pushed inwards, so that the pipe orifices of the two pipelines are tightly attached to and positioned in the first clamping ring, the second clamping ring is closed, the first clamping ring and the second clamping ring tightly buckle the pipelines at two sides, the mechanical arm welding gun welds the two pipelines at the moment, the double-shaft motor drives the second driving wheels at two ends to synchronously rotate, the second driving wheels drive the first driving wheels attached to the second driving wheels to rotate, the first driving wheels drive the internally clamped pipelines to rotate, the rotating pipelines complete welding under the action of the mechanical arm welding gun, and the rotating welding of the pipelines improves the welding efficiency.
Description
Technical Field
The invention relates to the technical field of welding positioning, in particular to an auxiliary positioning device for mechanical automatic welding.
Background
With the development of digitization, automation, computers, mechanical design technologies and high importance on welding quality, automatic welding has developed into an advanced manufacturing technology, automatic welding equipment plays an increasingly important role in various industrial applications, and the application range is rapidly expanding. In modern industrial production, mechanization and automation of the welding production process is a necessary trend for the modernization of the welding mechanism manufacturing industry.
The general welding process adopts two welding parts to be kept fixed, so that a welding gun moves along a required welding port, the method has good effect on plate-shaped or strip-shaped parts, but for tubular parts, the required welding port is generally a pipe orifice, the method is not applicable, the pipe orifices of the pipelines are aligned manually during welding, the efficiency is low, and if the two pipe orifices are aligned with the position of the welding gun, the welding efficiency of the welding gun can be higher by rotating the pipelines.
Disclosure of Invention
In order to overcome the technical problems, the invention aims to provide an auxiliary positioning device for mechanical automatic welding, wherein a sliding column is extended outwards, so that a first clamping plate is extended outwards to enable the distance between the first clamping plate and a second clamping plate to be larger than the length of a pipeline, the pipeline to be welded is placed on two second bottom plates on two sides, the first clamping plate is pushed inwards, and one end of the pipeline is pushed by the first clamping plate to be aligned, so that the pipeline on the two sides at the back can be butted conveniently; the first connecting rod always keeps parallel to the first bottom plate by rotating the first rotating shaft, the first connecting rod drives the material conveying plate connected to the top end of the first connecting rod to do circular motion, the material conveying plate is clamped between the two limiting blocks to be lifted and conveyed out, and the pipeline on the material conveying plate is clamped between the next pair of limiting blocks after rotating for a certain angle, so that the pipeline can automatically move on the positioning plate, and the pipelines can be welded one by one; through the first bottom plate with both sides inwards promoting, make the mouth of pipe of two pipelines hug closely and be located the inside of first clamp ring, closed second clamp ring, make first clamp ring and second clamp ring fasten both sides pipeline tightly, arm welder welds two pipelines this moment, and the biax motor drives the synchronous rotation of second drive wheel at both ends, the second drive wheel drives and rotates rather than the first drive wheel that pastes and lean on, first drive wheel drives the pipeline rotation of inside centre gripping, the complete welding is accomplished under arm welder effect to pivoted pipeline, the rotation welding of pipeline has improved welding efficiency.
The purpose of the invention can be realized by the following technical scheme:
an auxiliary positioning device for mechanical automatic welding comprises a fixing plate, wherein the top surface of the fixing plate is connected with two first bottom plates in a sliding manner, the top surface of the fixing plate is fixedly connected with a U-shaped table corresponding to the position between the two first bottom plates, the top surface of the fixing plate is provided with a second bottom plate, the bottom surface of the second bottom plate is provided with a plurality of supporting columns, the second bottom plate is fixedly connected with the fixing plate through the corresponding supporting columns, one side of the second bottom plate adjacent to the two second bottom plates is fixedly connected with a second clamping plate, two sliding chutes are formed in the second bottom plate, the other side of the two second bottom plates opposite to the side is provided with a first clamping plate, sliding columns are fixedly connected at the positions of the two sliding chutes corresponding to the side arms of the first clamping plates, the sliding columns are connected in the second bottom plate in a sliding manner through the sliding chutes at the corresponding positions, the first clamping plate stretches the sliding column outwards to enable the distance between the first clamping plate and the second clamping plate to be larger than the length of the pipeline, the pipeline to be welded is placed on the two second bottom plates on the two sides, the first clamping plate is pushed inwards, and the first clamping plate enables one end of the pipeline to be pushed to be aligned so that the pipeline on the two sides behind can be butted conveniently;
the top surfaces of the two first bottom plates are fixedly connected with a conveying mechanism, the conveying mechanism comprises two positioning plates, two rotating arms are arranged on one sides of the two positioning plates, the outer sides of the two rotating arms are respectively provided with a first connecting rod, the positions of the side surfaces of the positioning plates, corresponding to the rotating arms, are respectively provided with a hole, the positions of the positioning plates, corresponding to the two holes, are respectively and rotatably connected with a first rotating shaft, the top surfaces of the two positioning plates are respectively and fixedly connected with a plurality of limiting blocks, the side surfaces of the first connecting rods are respectively and fixedly connected with a plurality of material conveying plates, one sides, away from the first connecting rods, of the material conveying plates at the positions at the two ends are respectively and fixedly connected with a second rotating shaft, one end of each rotating arm is fixedly connected with the first rotating shaft at the corresponding position, the other end of each rotating arm is rotatably connected with the second rotating shaft at, the second bottom plate is connected with the two positioning plates at the corresponding positions in a sliding manner, the first rotating shaft is rotated to drive the corresponding rotating arms to rotate, one ends of the rotating arms, which correspond to the second rotating shafts, rotate around one ends of the corresponding first rotating shafts, the first connecting rods which are connected between the second rotating shafts of the two rotating arms are always parallel to the first bottom plate, the first connecting rods drive the material conveying plates connected with the top ends of the material conveying plates to do circular motion, when the material conveying plates rotate to the flushing height of the limiting blocks from the lower parts of the limiting blocks, the material conveying plates lift and convey the materials which are clamped between the two limiting blocks, when the material conveying plates rotate to the flushing height of the limiting blocks from the upper parts of the limiting blocks, the pipelines on the material conveying plates are clamped between the next pair of limiting blocks again, the pipelines on the second bottom plate are pushed by manpower, the two material conveying plates closest to one end of the second bottom plate rotate and convey the pipelines on the second, therefore, the automatic movement of the pipeline on the positioning plate is realized, so that the pipeline can be automatically welded;
the inner top surface of the U-shaped table is fixedly connected with a double-shaft motor, the outer top surfaces of two sides of the U-shaped table are fixedly connected with first clamping rings, the insides of the first clamping rings are respectively provided with a first notch, the inside of each first clamping ring is respectively and rotatably connected with a first driving wheel at a position corresponding to the first notch, the top ends of the two first clamping rings are respectively provided with a second clamping ring, the adjacent sides of the first clamping rings and the second clamping rings are rotatably connected through hinges, the inside of each second clamping ring is respectively provided with a second notch, the inside of each first clamping ring is respectively and rotatably connected with an auxiliary driving wheel at a position corresponding to the second notch, the top end of the U-shaped table is respectively and rotatably connected with a third notch at a position corresponding to the first driving wheel, the inside of the U-shaped table is respectively and rotatably connected with a second driving wheel at a position corresponding to the third notch, the two second driving wheels are fixedly connected with two corresponding output ends of the double-shaft motor, when the pipeline is conveyed to a position between limiting blocks at two sides of the U-shaped table, the first bottom plates at two sides are pushed inwards respectively, the pipe orifices of the pipeline are placed on the positioning plate and tightly attached, the pipeline is located inside the first clamping ring above the U-shaped table at the moment, the second clamping ring is closed along the hinge, the first clamping ring and the second clamping ring tightly buckle the pipelines at two sides, the output end of the mechanical arm welding gun is tightly attached to the pipe orifice positions of the two pipelines and is welded, the double-shaft motor drives the second driving wheels at two ends to rotate, the second driving wheels drive the first driving wheels attached to the second driving wheels to rotate, the first driving wheels drive the pipelines clamped inside to rotate, the auxiliary driving wheels above the pipelines to rotate, the rotating pipelines complete welding under the action of the mechanical arm welding gun, the second clamping ring is opened before next material conveying, and the welded pipelines are conveyed out by the material conveying plate.
Further, the method comprises the following steps: the top surface of the fixing plate is fixedly connected with a motor frame corresponding to the outer side positions of the two first bottom plates, a first motor is fixed inside the motor frame, the top surface of the motor frame is provided with a slide rail, a connecting strip is fixedly connected between the slide rail and the positioning plate at the corresponding position, a rocker is arranged in the slide rail, one end of the rocker is connected in the slide rail in a sliding way, the other end of the rocker is fixedly connected with the output end of the first motor, the sliding rail is connected with the motor frame in a sliding way through a rocker, an output end of the motor rotates to drive the rocker to rotate, the rocker slides in the sliding rail, the bottom of the slide rail is provided with a limiting slide groove, so that the slide rail can only slide along the direction of the connecting strip, and because of the irregular shape of the slide rail, the distance from the horizontal end of the rocker to the slide rail is inconsistent, the sliding rail can be controlled to slide, the sliding rail drives the connected connecting strip to slide, and the first bottom plate and the conveying mechanism above the first bottom plate are periodically pushed.
Further, the method comprises the following steps: the outside that first bottom plate top corresponds locating plate one end is provided with the slip swash plate, fixedly connected with reset spring between first bottom plate top surface and the slip swash plate bottom surface, after the pipeline welding is good, the fortune flitch will be welded the pipeline and transport out, when the pipeline transports to between the stopper of outer end and the slip swash plate, extrudees the slip swash plate downwards, makes the pipeline that welds break away from the device along the slip swash plate landing is automatic.
Further, the method comprises the following steps: the output end of the mechanical arm welding gun extends to the outer side of the U-shaped table, and the output end of the mechanical arm welding gun is located at the middle position of the two first clamping rings, so that the output end of the mechanical arm welding gun is tightly attached to the pipe orifice positions of the two pipelines, and the welding positioning is more accurate.
Further, the method comprises the following steps: the positioning plate is characterized in that the slide rail is composed of an arc guide rail and a strip guide rail in an end-to-end connection mode, when the rocker rotates to the arc guide rail part, the distance from an output end of the motor to the slide rail is unchanged, the distance corresponds to the welding and positioning processes of the first bottom plates on two sides and the conveying mechanism pipeline on the first bottom plates, when the rocker rotates to the strip guide rail part, the distance from the output end of the motor to the slide rail is changed, the positioning plate is pulled out outwards through the process that one end of the strip guide rail slides to the middle point corresponding to the connecting strip, and the positioning plate is pushed inwards through.
Further, the method comprises the following steps: the distance between two adjacent fortune flitchs that the head rod is connected is the twice of distance between two adjacent stoppers, rotates when fortune flitch to stopper horizontal position when neat level, and fortune flitch just is in the pipeline below between two stoppers and the arc mouth of fortune flitch is hugged closely with the pipeline outer wall, and every rotation of fortune flitch a week, the pipeline just outwards removes the distance of two stoppers.
Further, the method comprises the following steps: the locating plate lateral surface corresponds first axis of rotation position department fixedly connected with motor casing, the inside fixedly connected with motor two of motor casing, the output fixed connection of first axis of rotation outer end and motor two utilizes two pairs of transport mechanism of motor to provide power, makes first axis of rotation automatic rotation, and because head rod and second connecting rod are with four rotor arm synchronous connection, makes transport mechanism motion more whole.
Further, the method comprises the following steps: notch four has all been seted up to two adjacent rotor arm position departments of second bottom plate lateral wall correspondence, and the second bottom plate transports the pipeline that arrives on the locating plate and is located notch four tops, receives sheltering from of second bottom plate lateral wall when avoiding outer end rotor arm to transport the pipeline.
The invention has the beneficial effects that:
1. the sliding column is stretched outwards, so that the distance between the first clamping plate and the second clamping plate is larger than the length of the pipeline by stretching the sliding column outwards, the pipeline to be welded is placed on the two second bottom plates on the two sides, the first clamping plate is pushed inwards, one end of the pipeline is pushed by the first clamping plate to be aligned, so that the two pipe orifices are flush when the pipelines on the two sides are in butt joint, and poor welding effect caused by butt joint is avoided;
2. the first connecting rod always keeps parallel to the first bottom plate by rotating the first rotating shaft, the first connecting rod drives the material conveying plate connected to the top end of the first connecting rod to do circular motion, the material conveying plate is clamped between the two limiting blocks to be lifted and conveyed out, and the pipeline on the material conveying plate is clamped between the next pair of limiting blocks after rotating for a certain angle, so that the pipeline can automatically move on the positioning plate, and the pipelines can be welded one by one;
3. through the first bottom plate with both sides inwards promoting, make the mouth of pipe of two pipelines hug closely and be located the inside of first clamp ring, closed second clamp ring, make first clamp ring and second clamp ring fasten both sides pipeline tightly, arm welder welds two pipelines this moment, and the biax motor drives the synchronous rotation of second drive wheel at both ends, the second drive wheel drives and rotates rather than the first drive wheel that pastes and lean on, first drive wheel drives the pipeline rotation of inside centre gripping, the complete welding is accomplished under arm welder effect to pivoted pipeline, the rotation welding of pipeline has improved welding efficiency.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of a second base plate according to the present invention;
FIG. 3 is a schematic view of the internal structure of the transfer mechanism of the present invention;
FIG. 4 is a schematic view of the internal structure of the U-shaped platform of the present invention;
FIG. 5 is a schematic view showing the connection relationship between the motor frame, the positioning plate and the U-shaped table in the present invention.
In the figure: 100. a fixing plate; 200. a first base plate; 210. a return spring; 220. a sliding sloping plate; 300. a motor frame; 310. a slide rail; 320. a rocker; 330. a connecting strip; 400. a transport mechanism; 410. a first rotating shaft; 420. a rotating arm; 430. a first connecting rod; 440. a material conveying plate; 450. a second rotating shaft; 460. a second connecting rod; 470. positioning a plate; 471. a limiting block; 480. a motor housing; 500. a second base plate; 501. a chute; 510. a sliding post; 520. a first splint; 530. a second splint; 600. a mechanical arm welding gun; 700. a U-shaped table; 710. a first clamp ring; 711. a first drive wheel; 720. a double-shaft motor; 730. a second clamp ring; 731. an auxiliary drive wheel; 740. a second drive wheel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an auxiliary positioning device for mechanical automated welding includes a fixing plate 100, two first bottom plates 200 are slidably connected to a top surface of the fixing plate 100, a U-shaped platform 700 is fixedly connected to a position of the top surface of the fixing plate 100 corresponding to a position between the two first bottom plates 200, a second bottom plate 500 is disposed on the top surface of the fixing plate 100, a plurality of supporting posts are disposed on a bottom surface of the second bottom plate 500, the second bottom plate 500 is fixedly connected to the fixing plate 100 through the corresponding supporting posts, a second clamping plate 530 is fixedly connected to a side adjacent to the two second bottom plates 500, two sliding slots 501 are disposed in the second bottom plate 500, a first clamping plate 520 is disposed on a side of the two second bottom plates 500, sliding posts 510 are fixedly connected to positions of side arms of the first clamping plate 520 corresponding to the two sliding slots 501, the sliding posts 510 are slidably connected to the inside the second, a mechanical arm welding gun 600 is fixedly connected to one end, adjacent to the U-shaped table 700, of the second clamping plate 530, the first clamping plate 520 extends outwards to enable the distance between the first clamping plate 520 and the second clamping plate 530 to be larger than the length of the pipeline, the pipeline to be welded is placed on the two second bottom plates 500 on two sides, the first clamping plate 520 is pushed inwards, and the first clamping plate 520 pushes one end of the pipeline to be aligned so that the pipeline on two sides at the back can be butted conveniently;
the top surfaces of the two first bottom plates 200 are fixedly connected with a conveying mechanism 400, the conveying mechanism 400 comprises two positioning plates 470, two rotating arms 420 are arranged on the adjacent sides of the two positioning plates 470, first connecting rods 430 are arranged on the outer sides of the two rotating arms 420, openings are formed in the side surfaces of the positioning plates 470 corresponding to the positions of the rotating arms 420, first rotating shafts 410 are rotatably connected to the positioning plates 470 corresponding to the positions of the openings, a plurality of limiting blocks 471 are fixedly connected to the top surfaces of the two positioning plates 470, a plurality of material conveying plates 440 are fixedly connected to the side surfaces of the first connecting rods 430, second rotating shafts 450 are fixedly connected to the sides, away from the first connecting rods 430, of the material conveying plates 440 at the two ends, one end of each rotating arm 420 is fixedly connected with the corresponding first rotating shaft 410, and the other end of each rotating arm 420 is rotatably connected with the corresponding second rotating shaft, a second connecting rod 460 is fixedly connected between the two first connecting rods 430, the second bottom plate 500 is slidably connected with the two positioning plates 470 at the corresponding positions, the first rotating shaft 410 is rotated, the first rotating shaft 410 drives the corresponding rotating arm 420 to rotate, one end of the rotating arm 420 corresponding to the second rotating shaft 450 makes a circular motion around one end corresponding to the first rotating shaft 410, the first connecting rod 430 connected between the two rotating arms 420 and the second rotating shaft 450 is always kept parallel to the first bottom plate 200, the first connecting rod 430 drives the material transporting plate 440 connected with the top end of the material transporting plate to make a circular motion, when the material transporting plate 440 rotates from the lower part of the limiting block 471 to the level of the limiting block 471, the material transporting plate 440 is clamped between the two limiting blocks 471 again, when the material transporting plate 440 rotates from the upper part of the limiting block 471 to the level of the limiting block 471, the pipeline on the material transporting plate 440 is clamped between the lower pair of limiting blocks 471 again, the pipelines on the second bottom plate 500 are pushed by manpower, the two material conveying plates 440 closest to one end of the second bottom plate 500 rotate and convey the pipelines on the second bottom plate 500 to the positioning plate 470 continuously, so that the pipelines are automatically moved on the positioning plate 470 to be welded automatically;
a double-shaft motor 720 is fixedly connected to the inner top surface of the U-shaped table 700, first clamping rings 710 are fixedly connected to the outer top surfaces of two sides of the U-shaped table 700, a first notch is formed in each first clamping ring 710, first driving wheels 711 are rotatably connected to positions corresponding to the notches in each first clamping ring 710, second clamping rings 730 are arranged at the top ends of the two first clamping rings 710, the adjacent sides of the first clamping rings 710 and the second clamping rings 730 are rotatably connected through hinges, a second notch is formed in each second clamping ring 730, auxiliary driving wheels 731 are rotatably connected to positions corresponding to the notches in each first clamping ring 710, a third notch is formed in each top end of the U-shaped table 700 and corresponding to the first driving wheel 711, second driving wheels 740 are arranged at positions corresponding to the notches in the U-shaped table 700, the two second driving wheels 740 are fixedly connected to two corresponding output ends of the double-shaft motor 720, the outer side surfaces of the first driving wheels 711 are extruded and attached to the outer side surfaces of the second driving wheels 740, when the pipeline is transported to the position between the limiting blocks 471 at the two sides of the U-shaped platform 700, the first bottom plates 200 at the two sides are pushed inwards respectively, so that the pipe orifices of the pipeline are placed on the positioning plate 470 and tightly attached to the positioning plate, at this time, the pipeline is positioned inside the first clamping ring 710 above the U-shaped platform 700, the second clamping ring 730 is closed along the hinge, so that the first clamping ring 710 and the second clamping ring 730 tightly buckle the two pipelines at two sides, at the moment, the output end of the mechanical arm welding gun 600 is tightly attached to the pipe orifices of the two pipelines for welding, and the double-shaft motor 720 drives the second driving wheel 740 at both ends to rotate, the second driving wheel 740 drives the first driving wheel 711 attached to the second driving wheel to rotate, the first driving wheel 711 drives the pipe clamped inside to rotate, and the auxiliary driving wheel 731 above assists the rotation thereof, the rotating pipeline is completely welded under the action of the mechanical arm welding gun 600, and the second clamp ring 730 is opened before the next material conveying, and the welded pipe is conveyed out by the material conveying plate 440.
The top surface of the fixed plate 100 is fixedly connected with the fixed frames 300 at the positions corresponding to the outer sides of the two first bottom plates 200, a first motor is fixed inside the fixed frame 300, the top surface of the fixed frame 300 is provided with a slide rail 310, a connecting strip 330 is fixedly connected between the slide rail 310 and a positioning plate 470 at the corresponding position, a rocker 320 is arranged inside the slide rail 310, one end of the rocker 320 is slidably connected inside the slide rail 310, the other end of the rocker 320 is fixedly connected with the output end of the first motor, the slide rail 310 is slidably connected with the fixed frame 300 through the rocker 320, the output end of the first motor rotates to drive the rocker 320 to rotate, the rocker 320 slides inside the slide rail 310, the bottom of the slide rail 310 is provided with a limiting sliding groove, so that the slide rail 310 can only slide along the direction of the connecting strip 330, due to the irregular shape of the slide rail 310, the distance, periodic pushing of the first base plate 200 and the upper transfer mechanism 400 is achieved. The sliding rail 310 is composed of an arc guide rail and a strip guide rail which are connected end to end, when the rocker 320 rotates to the arc guide rail part, the distance from an output end of the motor to the sliding rail 310 is unchanged, the pipeline welding and positioning process of the first bottom plate 200 corresponding to two sides and the conveying mechanism 400 on the first bottom plate corresponds to the two sides, when the rocker 320 rotates to the strip guide rail part, the distance from the output end of the motor to the sliding rail 310 is changed, the positioning plate 470 is pulled out outwards by the connection strip 330 corresponding to the middle point from one end of the strip guide rail, and the positioning plate 470 is pushed inwards by the connection strip 330 corresponding to the middle point of the strip.
The outside that the top of first bottom plate 200 corresponds locating plate 470 one end is provided with the slip swash plate 220, fixedly connected with reset spring 210 between first bottom plate 200 top surface and the slip swash plate 220 bottom surface, after the pipeline welding is good, fortune flitch 440 will welded the pipeline export, when the pipeline transports to between stopper 471 of outer end and the slip swash plate 220, extrude the slip swash plate 220 downwards, make the welded pipeline along the automatic device that breaks away from of slip swash plate 220 landing. The output end of the mechanical arm welding gun 600 extends to the outer side of the U-shaped table 700, and the output end of the mechanical arm welding gun 600 is located in the middle of the two first clamping rings 710, so that the output end of the mechanical arm welding gun 600 is tightly attached to the pipe orifice positions of the two pipelines, and the welding positioning is more accurate.
The distance between two adjacent material transporting plates 440 connected by the first connecting rod 430 is twice the distance between two adjacent limiting blocks 471, when the material transporting plates 440 rotate to the limiting blocks 471, the material transporting plates 440 are just below the pipeline between the two limiting blocks 471 and the arc-shaped openings of the material transporting plates 440 are tightly attached to the outer wall of the pipeline, and the pipeline moves outwards by the distance of the two limiting blocks 471 when the material transporting plates 440 rotate for one circle. The outer side surface of the positioning plate 470 is fixedly connected with a motor shell 480 at a position corresponding to the first rotating shaft 410, a second motor is fixedly connected inside the motor shell 480, the outer end of the first rotating shaft 410 is fixedly connected with the output end of the second motor, the two pairs of motors are used for providing power for the transmission mechanism 400, so that the first rotating shaft 410 automatically rotates, and the transmission mechanism 400 moves more integrally because the first connecting rod 430 and the second connecting rod 460 are synchronously connected with the four rotating arms 420. The side wall of the second bottom plate 500 corresponds to the positions of the two adjacent rotating arms 420, and the position of the second bottom plate 500 corresponding to the adjacent two rotating arms is provided with a notch four, the pipeline conveyed to the positioning plate 470 by the second bottom plate 500 is positioned above the notch four, and the shielding of the side wall of the second bottom plate 500 is avoided when the pipeline conveyed by the outer end rotating arm 420.
The working principle is as follows: when the welding device is used, the sliding column 510 is stretched outwards, so that the distance between the first clamping plate 520 and the second clamping plate 530 is greater than the length of a pipeline, the pipeline to be welded is placed on the two second bottom plates 500 at two sides, the first clamping plate 520 is pushed inwards, so that one end of the pipeline is pushed by the first clamping plate 520 to be aligned, so that the pipelines at two sides at the back are in butt joint, the first rotating shaft 410 is rotated by the second starting motor, the first rotating shaft 410 drives the corresponding rotating arm 420 to rotate, one end of the rotating arm 420 corresponding to the second rotating shaft 450 moves circularly around one end corresponding to the first rotating shaft 410, the first connecting rod 430 connected between the two rotating arms 420 and the second rotating shaft 450 is always kept parallel to the first bottom plate 200, the first connecting rod 430 drives the material conveying plate 440 connected with the top end of the first connecting rod to move circularly, when the material conveying plate 440 rotates from the part below the limiting block 471 to the level height, the material conveying plate 440 is clamped between the two limiting blocks and conveyed out, when the material transporting plates 440 rotate from the upper parts of the limiting blocks 471 to the flush height of the limiting blocks 471, the pipes on the material transporting plates 440 are clamped between the next pair of limiting blocks 471 again, the pipes on the second base plate 500 are pushed by manpower, the two material transporting plates 440 closest to one end of the second base plate 500 rotate and transport the pipes on the second base plate 500 to the positioning plate 470 ceaselessly, one output end of the motor rotates to drive the rocker 320 to rotate, the rocker 320 slides in the slide rail 310, the bottom of the slide rail 310 is provided with a limiting slide groove, so that the slide rail 310 can only slide along the direction of the connecting strip 330, when the rocker 320 rotates to the arc guide rail part, the distance from one output end of the motor to the slide rail 310 is unchanged, the pipes of the first base plate 200 corresponding to the two sides and the conveying mechanism 400 on the upper side are welded and positioned, when the rocker 320 rotates to the strip guide rail part, the distance from one output end of the motor to the slide rail 310 is changed, and, when the pipeline is conveyed to a position between the limiting blocks 471 at two sides of the U-shaped platform 700, the first bottom plates 200 at two sides are respectively pushed inwards to enable the pipe orifices of the pipeline to be placed on the positioning plate 470 and tightly attached, the pipeline is positioned inside the first clamping ring 710 above the U-shaped platform 700, a worker closes the second clamping ring 730 along the hinge, an arc-shaped clamping ring can be movably sleeved between the first clamping ring 710 and the adjacent second clamping ring 730, the first clamping ring 710 and the second clamping ring 730 tightly clamp the pipelines at two sides by utilizing the arc-shaped clamping ring, the output end of the mechanical arm welding gun 600 is tightly attached to the pipe orifices of the two pipelines and is welded, the double-shaft motor 720 drives the second driving wheels 740 at two ends to rotate, the second driving wheels 740 drives the first driving wheels 711 attached to the second driving wheels to rotate, the first driving wheels 711 drives the pipelines clamped inside to rotate, and the auxiliary driving wheel 731 above assists the rotation thereof, the rotating pipeline is completely welded under the action of the mechanical arm welding gun 600, the arc-shaped clamping ring is taken down before the next material conveying, so that the second clamping ring 730 is opened, and the welded pipeline is conveyed out by the material conveying plate 440.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.
Claims (8)
1. An auxiliary positioning device for mechanical automatic welding comprises a fixing plate (100) and is characterized in that the top surface of the fixing plate (100) is connected with two first bottom plates (200) in a sliding manner, a U-shaped table (700) is fixedly connected between the top surface of the fixing plate (100) and the two first bottom plates (200), the top surface of the fixing plate (100) is provided with a second bottom plate (500), the bottom surface of the second bottom plate (500) is provided with a plurality of supporting columns, the second bottom plate (500) is fixedly connected with the fixing plate (100) through the corresponding supporting columns, one side of the two second bottom plates (500) adjacent to each other is fixedly connected with a second clamping plate (530), two sliding grooves (501) are formed in the second bottom plate (500), one side of the two second bottom plates (500) deviated from each is provided with a first clamping plate (520), and sliding columns (510) are fixedly connected to the side arms of the first clamping plate (520) corresponding to the two sliding grooves (501, the sliding column (510) is connected in a sliding mode inside the second bottom plate (500) through a sliding groove (501) at the corresponding position, and one end, adjacent to the U-shaped table (700), of the second clamping plate (530) is fixedly connected with a mechanical arm welding gun (600);
the top surfaces of the two first bottom plates (200) are fixedly connected with a conveying mechanism (400), the conveying mechanism (400) comprises two positioning plates (470), two rotating arms (420) are arranged on one adjacent side of each of the two positioning plates (470), first connecting rods (430) are arranged on the outer sides of the two rotating arms (420), holes are formed in the side surfaces of the positioning plates (470) corresponding to the positions of the rotating arms (420), first rotating shafts (410) are rotatably connected to the positions of the positioning plates (470) corresponding to the positions of the two holes, a plurality of limiting blocks (471) are fixedly connected to the top surfaces of the two positioning plates (470), a plurality of material conveying plates (440) are fixedly connected to the side surfaces of the first connecting rods (430), and second rotating shafts (450) are fixedly connected to the sides, deviating from the first connecting rods (430), of the material conveying plates (440) located at the positions of, one end of the rotating arm (420) is fixedly connected with the first rotating shaft (410) at the corresponding position, the other end of the rotating arm (420) is rotatably connected with the second rotating shaft (450) at the corresponding position, a second connecting rod (460) is fixedly connected between the two first connecting rods (430), and the second bottom plate (500) is slidably connected with the two positioning plates (470) at the corresponding positions;
the inner top surface of the U-shaped table (700) is fixedly connected with a double-shaft motor (720), the outer top surfaces of two sides of the U-shaped table (700) are fixedly connected with first clamping rings (710), the insides of the first clamping rings (710) are respectively provided with a first notch, the insides of the first clamping rings (710) are respectively rotatably connected with first driving wheels (711) at positions corresponding to the notches, the tops of the two first clamping rings (710) are respectively provided with a second clamping ring (730), the adjacent sides of the first clamping rings (710) and the second clamping rings (730) are rotatably connected through hinges, the insides of the second clamping rings (730) are respectively provided with a second notch, the insides of the first clamping rings (710) are respectively rotatably connected with auxiliary driving wheels (731) at positions corresponding to the second notches, the tops of the U-shaped table (700) are respectively provided with a third notch at positions corresponding to the first driving wheels (711), and the insides of the U-shaped table (700) are respectively provided with second driving wheels (740), the two second driving wheels (740) are fixedly connected with two corresponding output ends of the double-shaft motor (720), and the outer side face of the first driving wheel (711) is pressed against the outer side face of the second driving wheel (740).
2. The mechanical automation welding auxiliary positioning device of claim 1, characterized in that the top surface of the fixing plate (100) is fixedly connected with a motor frame (300) at positions corresponding to the outer sides of the two first bottom plates (200), a first motor is fixed inside the motor frame (300), the top surface of the motor frame (300) is provided with a sliding rail (310), a connecting strip (330) is fixedly connected between the sliding rail (310) and a positioning plate (470) at a corresponding position, a rocker (320) is arranged inside the sliding rail (310), one end of the rocker (320) is slidably connected inside the sliding rail (310), the other end of the rocker (320) is fixedly connected with the output end of the first motor, and the sliding rail (310) is slidably connected with the motor frame (300) through the rocker (320).
3. The auxiliary positioning device for mechanical automated welding according to claim 1, wherein a sliding inclined plate (220) is arranged on the outer side of the top end of the first bottom plate (200) corresponding to one end of the positioning plate (470), and a return spring (210) is fixedly connected between the top surface of the first bottom plate (200) and the bottom surface of the sliding inclined plate (220).
4. The auxiliary positioning device for mechanical automated welding according to claim 1, characterized in that the output end of the robot arm welding gun (600) extends to the outside of the U-shaped table (700), and the output end of the robot arm welding gun (600) is located at the middle position of the two first clamping rings (710).
5. The auxiliary positioning device for mechanical automated welding according to claim 2, characterized in that the slide rail (310) is composed of a circular arc guide rail and a strip guide rail which are connected end to end.
6. The auxiliary positioning device for mechanical automated welding according to claim 1, wherein the distance between two adjacent material conveying plates (440) connected by the first connecting rod (430) is twice the distance between two adjacent limiting blocks (471).
7. The auxiliary positioning device for mechanical automatic welding according to claim 1, wherein a motor housing (480) is fixedly connected to the outer side surface of the positioning plate (470) at a position corresponding to the first rotating shaft (410), a second motor is fixedly connected to the inside of the motor housing (480), and the outer end of the first rotating shaft (410) is fixedly connected to the output end of the second motor.
8. The auxiliary positioning device for mechanical automatic welding according to claim 1, wherein four notches are formed in the side wall of the second bottom plate (500) at positions corresponding to the two adjacent rotating arms (420).
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| CN202011235216.8A CN112171173B (en) | 2020-11-08 | 2020-11-08 | Auxiliary positioning device for mechanical automation welding |
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| CN112171173B (en) | 2022-04-12 |
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