CN113319485A - Automatic welding equipment for magnesium alloy material processing - Google Patents
Automatic welding equipment for magnesium alloy material processing Download PDFInfo
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- CN113319485A CN113319485A CN202110575330.3A CN202110575330A CN113319485A CN 113319485 A CN113319485 A CN 113319485A CN 202110575330 A CN202110575330 A CN 202110575330A CN 113319485 A CN113319485 A CN 113319485A
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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
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0211—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track
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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
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0252—Steering means
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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
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0294—Transport carriages or vehicles
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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
- B23K37/0461—Welding tables
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Abstract
The invention provides automatic welding equipment for processing magnesium alloy materials, which solves the problems of large labor consumption, low finished product processing efficiency and low welding quality of traditional manual welding, and adopts the technical scheme that the automatic welding equipment comprises a welding trolley, wherein the upper end of the welding trolley is rotatably connected with a rotating disc, the lower end surface of the rotating disc is provided with a displacement groove along the radial direction, a screw driven by a displacement motor in the displacement groove is in threaded fit with a displacement block, the lower end surface of the displacement block is fixedly connected with a second electric telescopic rod extending downwards, the lower end surface of the second electric telescopic rod is fixedly connected with a welding gun posture adjusting device, the welding gun posture adjusting device controls a welding gun to perform set posture adjustment, and the extending end of the welding gun is connected with a plurality of detection rods. Simple structure and easy operation.
Description
Technical Field
The invention relates to welding equipment, in particular to automatic welding equipment for processing magnesium alloy materials.
Background
The magnesium alloy is formed by adding other elements into magnesium as a base, and is characterized in that: the magnesium alloy has the characteristics of low density, low melting point, high thermal conductivity, high thermal expansion coefficient, strong chemical activity, high oxidation tendency, high melting point of oxides and the like, in the prior art, the curved surface of the irregular magnesium alloy pipe and the included angle between the curved surface of the pipe and the bottom plate-shaped part are changed when the splicing seam of the magnesium alloy plate-shaped part and the irregular magnesium alloy pipe are welded, so that a welding gun is required to swing in the vertical direction and the longitudinal direction frequently to adjust the optimal welding angle to achieve the optimal welding effect, the prior art adopts a traditional manual welding method for welding the parts, but the traditional manual welding consumes large manpower, the finished product machining efficiency is low, the welding quality is not high, and a welding robot can be used for welding, but the early preparation work of the welding robot is complex and high in cost, so that the problem is solved by automatic welding equipment for magnesium alloy material machining.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides automatic welding equipment for processing magnesium alloy materials, which solves the problems of large labor consumption, low processing efficiency of finished products and low welding quality of the traditional manual welding, and has simple structure and convenient operation.
The technical scheme for solving the problem is that the welding trolley comprises a welding trolley, the upper end of the welding trolley is rotatably connected with a rotating disc, and the welding trolley is characterized in that a displacement groove is formed in the lower end face of the rotating disc along the radial direction, a displacement block is matched with a screw driven by a displacement motor in a threaded manner, the lower end face of the displacement block is fixedly connected with a second electric telescopic rod extending downwards, a welding gun posture adjusting device is fixedly connected with the lower end face of the second electric telescopic rod and controls a welding gun to perform set posture adjustment, the longitudinal front and rear end faces of the extending end of the welding gun are fixedly connected with a front connecting rod and a rear connecting rod which are symmetrically arranged in a vertical manner and are perpendicular to the axis of the welding gun, a first rotating motor is fixedly connected onto the front connecting rod, the output shaft of the first rotating motor is fixedly connected with a vertical detection rod extending downwards and connected onto the front connecting rod, and a second rotating motor is fixedly connected onto the rear connecting rod, the second rotates the swinging arms that motor output shaft fixedly connected with stretched out left and connect on the connecting rod of back, the swinging arms stretches out end fixedly connected with third electric telescopic handle, the drive of third electric telescopic handle has the gauge stick, the gauge stick stretches out the end ball and articulates there is first detection ball, the gauge stick stretches out the vertical fixedly connected with of end and two slope gauge sticks of symmetrical arrangement that stretch out and left below left side, each slope gauge stick stretches out the equal ball of end and articulates there is the second detection ball, each slope gauge stick length is greater than the gauge stick length under the initial condition, the vertical front and back end symmetrical arrangement of gauge stick has two curved surface gauge sticks that fixed connection stretched out the end and left place ahead and left rear, each curved surface gauge stick stretches out the equal ball of end and articulates there is the third detection ball.
Preferably, the welding gun posture adjusting device comprises an upper shifting frame fixedly connected to the lower end face of the second electric telescopic rod, the left side and the right side of the upper shifting frame are longitudinally and slidably connected with a first longitudinal displacement motor, the first longitudinal displacement motor is coaxially and fixedly connected with a first transverse threaded rod, the upper shifting frame is longitudinally and transversely and slidably connected with a first transverse displacement motor, the first transverse displacement motor is coaxially and fixedly connected with a first longitudinal threaded rod, the first longitudinal threaded rod and the first transverse threaded rod are arranged in a staggered manner, in the staggered manner, a downwardly extending upper spherical hinge seat is in threaded fit, the left side of the upper spherical hinge seat is provided with a vertically through upper arc-shaped limiting groove, an inner ball of the upper spherical hinge seat is hinged with a first swinging ball, the first swinging ball is fixedly connected with a first limiting pin matched with the upper arc-shaped limiting groove, and the lower end of the first swinging ball is fixedly connected with a telescopic rod fixedly connected with the upper end face of the welding gun, the lower end of the upper displacement frame is fixedly connected with a lower displacement frame, the left side and the right side of the lower displacement frame are connected with a second longitudinal displacement motor along longitudinal sliding, the second longitudinal displacement motor is coaxially and fixedly connected with a second transverse threaded rod, the lower displacement frame is longitudinally and longitudinally connected with a second transverse displacement motor in a front-back transverse sliding mode, the second transverse displacement motor is coaxially and fixedly connected with a second longitudinal threaded rod, the second longitudinal threaded rod and the second transverse threaded rod are arranged in a staggered mode, in a threaded fit mode, a lower ball hinge seat extending upwards is arranged at the staggered position, a vertically through lower arc-shaped limiting groove is formed in the right side of the lower ball hinge seat, a second swinging ball is hinged to an inner ball of the lower ball hinge seat, the second swinging ball is fixedly connected with a second limiting pin matched with the lower arc-shaped limiting groove, the upper end of the second swinging ball is fixedly connected with a welding gun, a welding gun posture adjusting device can control the welding gun to perform set posture adjustment, and can enable a welding gun port of the welding gun to be kept at the same height through adjustment of the second electric telescopic rod in the vertical direction The above.
Preferably, a verticality sensor and a distance sensor are arranged in the vertical detection rod, the verticality sensor is used for adjusting the vertical detection rod to always keep the vertical direction, the distance sensor measures the vertical distance from the rotating center of the upper end of the vertical detection rod to a workpiece at the lower end, the vertical detection rod is of a spring rod structure, the extending end of the vertical detection rod is rotatably connected with an obstacle crossing mechanism, the extension ends of the detection rod, each inclined detection rod and each curved surface detection rod are fixedly connected with springs, the other ends of the springs are fixedly connected with spherical hinge seats, first detection ball, second detection ball and third detection ball are respectively articulated in corresponding spherical hinge seat, and each slope detection pole and each curved surface detection pole are the spring rod structure, all are equipped with position sensor on first detection ball and each second detection ball spheroid, and each curved surface detection pole stretches out the end and all is equipped with pressure sensor with spring coupling position.
Preferably, the obstacle crossing mechanism comprises a planet carrier, wherein a rotating shaft is transversely arranged and is rotatably connected to the extending end of the vertical detection rod, and a plurality of obstacle crossing wheels which are uniformly distributed along the circumference are rotatably connected to the planet carrier.
Preferably, the central axes of the extending ends of the vertical detection rod and the central axis of the welding gun are on the same plane.
Preferably, the lower displacement frame is located under the upper displacement frame, the vertical distance between the lower displacement frame and the upper displacement frame is smaller than the length of the welding gun, the size of the lower displacement frame is smaller than that of the upper displacement frame, and a space for ensuring the swinging of the extending end of the welding gun is reserved between the lower displacement frame and the extending end of the welding gun.
Preferably, the upper end face of the rotating disc is coaxially and fixedly connected with a sleeve, the upper end face of the sleeve is coaxially and fixedly connected with a large gear, and the large gear is driven to rotate through the matching of a driving motor fixedly connected to the upper end face of the welding trolley and a gear.
As preferred, welding trolley upper end downwardly extending has closing device, closing device includes the first electric telescopic handle of fixed connection in welding trolley upper end, first electric telescopic handle passes the sleeve and stretches out downwards, first electric telescopic handle stretches out the rotatory chamber of end fixedly connected with, rotatory intracavity fixedly connected with compresses tightly the motor, compress tightly the coaxial fixedly connected with pressure disk of motor lower extreme, the pressure disk rotates to be connected in rotatory intracavity, a plurality of notches of evenly arranging along the circumference are seted up to the pressure disk, sliding connection has the clamp plate along the motion of pressure disk radial direction in each notch respectively, a plurality of spouts have evenly been seted up along the circumference to the rotatory chamber, the equal sliding connection of each clamp plate is inside the spout.
Preferably, the front end face of the front connecting rod and the rear end face of the rear connecting rod are fixedly connected with graduated scales, and the first rotating motor and the second rotating motor are coaxially and fixedly connected with angle pointers matched with the corresponding graduated scales.
The invention has the beneficial effects that: 1. the posture of the welding gun is adjusted in real time through the posture adjusting device of the welding gun, so that the optimal welding position is ensured, and the optimal welding effect is realized;
2. the problems of large labor consumption, low finished product processing efficiency and low welding quality of the traditional manual welding are solved;
3. simple structure and easy operation.
Drawings
FIG. 1 is a first perspective view of the present invention.
FIG. 2 is a second perspective view of the present invention.
Fig. 3 is a partial cross-sectional view of the overall schematic of the invention.
Fig. 4 is a first view of the main structure of the present invention.
FIG. 5 is a second perspective view of the main structure of the present invention.
Fig. 6 is a third perspective view of the main structure of the present invention.
FIG. 7 is a schematic view of a welding gun attitude adjusting apparatus according to the present invention.
FIG. 8 is a partially enlarged view of a schematic view of a welding gun attitude adjustment apparatus according to the present invention.
FIG. 9 is a second perspective view of the welding gun attitude adjustment apparatus of the present invention.
FIG. 10 is a second enlarged view of the attitude adjustment device of the welding gun according to the present invention.
Fig. 11 is a third perspective view of the welding gun attitude adjustment apparatus of the present invention.
FIG. 12 is a third enlarged view of the attitude adjustment device of the welding gun according to the present invention.
Reference numerals
1. The welding trolley comprises a welding trolley, 2, a rotating disc, 3, a displacement groove, 4, a displacement block, 5, a welding gun, 6, a front connecting rod, 7, a rear connecting rod, 8, a vertical detection rod, 9, a swinging rod, 10, a detection rod, 11, a first detection ball, 12, an inclination detection rod, 13, a second detection ball, 14, a curved surface detection rod, 15, a third detection ball, 16, an upper displacement frame, 17, an upper ball hinged support, 18, an upper arc-shaped limiting groove, 19, a first swinging ball, 20, a first limiting pin, 21, a telescopic rod, 22, a lower displacement frame, 23, a lower ball hinged support, 24, a lower arc-shaped limiting groove, 25, a second swinging ball, 26, a second limiting pin, 27, a planet carrier, 28, an obstacle crossing wheel, 29, a sleeve, 30, a large gear, 31, a rotating cavity, 32, a pressure plate, 33, a notch, 34, a pressure plate and 35.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings 1 to 12.
When the welding device is used, the welding trolley 1 is moved to a welding workbench, the lowest end of the welding trolley 1 is rotatably connected with a plurality of universal wheels to enable the welding trolley 1 to move towards all directions, the position of the welding trolley 1 is adjusted to enable a pressing device extending downwards from the upper end of the welding trolley 1 to be positioned right above a workpiece to be welded, then a pressing motor fixedly connected in a rotating cavity 31 is started, the pressing motor rotates to drive a pressing plate 32 coaxially and fixedly connected to rotate, the pressing plate 32 is provided with a plurality of notches 33 uniformly arranged along the circumference, the notches 33 are arc-shaped grooves extending outwards from the position close to the center of the pressing plate 32, the upper end face of each pressing plate 34 is fixedly connected with a columnar limiting pin, each columnar limiting pin is connected in the notch 33 in a sliding manner, the rotating cavity 31 is provided with a plurality of sliding grooves 35 uniformly along the circumference, each pressing plate 34 is connected in the sliding grooves 35 in a sliding manner, the pressing plate 32 drives the columnar limiting pin fixedly, because the notch 33 is an arc-shaped groove extending outwards from the position close to the center of the pressure plate 32 and each pressure plate 34 is connected inside the sliding groove 35 in a sliding manner, each pressure plate 34 can only move along the radial direction of the pressure plate 32 when the pressure plate 32 rotates, the extension amount of each pressure plate 34 is adjusted by controlling the rotation of the pressing motor according to the size of the tubular workpiece to be welded, the condition that the radius of the pressing device is too large to influence the normal welding of the welding gun 5 due to the fact that the tubular workpiece to be welded is small is prevented from occurring, then the first electric telescopic rod fixedly connected to the upper end of the welding trolley 1 is started to penetrate through the sleeve 29 to extend downwards, the first electric telescopic rod drives the pressing device to downwards press the tubular workpiece to be welded, and the welding effect is prevented from being influenced due to the deviation of the workpiece in the welding process.
The welding gun 5 can adopt a laser welding gun, and because the workpiece to be welded is made of magnesium alloy material, and the magnesium alloy is easy to oxidize to influence the welding effect during welding, protective gas is needed during welding.
When welding the splicing seam of the irregular magnesium alloy pipe and the magnesium alloy plate-shaped part, after the workpiece is pressed by the pressing device, a displacement motor in a displacement groove 3 on the lower end surface of a rotating disc 2 is opened, a screw rod coaxially and fixedly connected with the displacement motor is in threaded fit with a displacement block 4, the displacement motor drives the screw rod coaxially and fixedly connected with the displacement motor to rotate so as to enable the displacement block 4 in threaded fit with the screw rod to move along the radial direction of the rotating disc 2, the displacement block 4 is moved to a proper position according to the position of the splicing seam of the irregular magnesium alloy pipe and the magnesium alloy plate-shaped part, then a second electric telescopic rod which is fixedly connected with the lower end surface of the displacement block 4 and extends downwards is opened, a welding gun posture adjusting device is fixedly connected with the lower end surface of the second electric telescopic rod, the welding gun posture adjusting device controls a welding gun 5 to carry out set posture adjustment, and the second, the longitudinal front and back end surfaces of the extending end of the welding gun 5 are fixedly connected with a front connecting rod 6 and a back connecting rod 7 which are symmetrically arranged, the position of the longitudinal front and back end surfaces of the extending end of the welding gun 5 is vertical to the axis of the welding gun 5, the front connecting rod 6 is fixedly connected with a first rotating motor, the output shaft of the first rotating motor is fixedly connected with a vertical detection rod 8 which extends downwards and is rotationally connected on the front connecting rod 6, a verticality sensor and a distance sensor are arranged in the vertical detection rod 8, the verticality sensor detects whether the vertical detection rod 8 is vertical or not, the verticality sensor sends a signal to a controller to control the first rotating motor to rotate so as to adjust the vertical detection rod 8 to always keep the vertical direction, the distance sensor measures the vertical distance from the upper rotating center of the vertical detection rod 8 to the lower end magnesium alloy plate-shaped part, the vertical detection rod 8 is of a spring rod structure, the extending end is rotationally connected with an obstacle crossing mechanism, the obstacle crossing mechanism comprises a planet carrier 27, the rotating shaft is transversely arranged and rotationally connected at the extending end of the vertical detection rod 8, the planet carrier 27 is rotatably connected with a plurality of obstacle crossing wheels 28 which are uniformly distributed along the circumference, when the upper surface of the magnesium alloy plate-shaped part is sunken or protruded, a common roller can be clamped to influence the welding gun 5 to continue welding, when the obstacle crossing wheel 28 meets the sunken or protruded upper surface of the magnesium alloy plate-shaped part due to the arrangement of the obstacle crossing mechanism, the planet carrier 27 rotates to enable the other obstacle crossing wheels 28 to cross over the obstacle, the welding gun 5 is not influenced to continue welding, when the obstacle crossing wheel 28 contacts the lower end magnesium alloy plate-shaped part due to the downward movement of the welding gun 5 along with the second electric telescopic rod, the welding gun 5 continues to move downwards to start compressing the spring rod structure of the vertical detection rod 8, the distance sensor measures the vertical distance from the upper end rotation center of the vertical detection rod 8 to the lower end magnesium alloy plate-shaped part and sends a signal to the controller to control the second electric telescopic rod to stop extending downwards, then a second rotating motor fixedly connected with the rear connecting rod 7 is opened, an output shaft of the second rotating motor is fixedly connected with a swinging rod 9 which extends leftwards and is rotatably connected with the rear connecting rod 7, the second rotating motor rotates to drive the swinging rod 9 to swing on the left side of the welding gun 5, the extending end of the swinging rod 9 is fixedly connected with a third electric telescopic rod, the third electric telescopic rod drives a detection rod 10, the extending end ball of the detection rod 10 is hinged with a first detection ball 11, the extending end of the detection rod 10 is vertically and fixedly connected with two inclined detection rods 12 which extend leftwards and are symmetrically arranged, the extending end of each inclined detection rod 12 is hinged with a second detection ball 13, the length of each inclined detection rod 12 is greater than that of the detection rod 10 in an initial state, the ends of the detection rod 10 and each inclined detection rod 12 are fixedly connected with a spring, and the other end of the spring is fixedly connected with a ball hinge seat, the first detection ball 11 and each second detection ball 13 are respectively hinged in a corresponding ball hinge seat, each inclined detection rod 12 is of a spring rod structure, position sensors are arranged on the first detection ball 11 and each second detection ball 13, the swinging rod 9 swings on the left side of the welding gun 5, meanwhile, the third electric telescopic rod drives the detection rod 10 and the two inclined detection rods 12 to extend leftwards, then, the first detection ball 11 and the two second detection balls 13 contact the side surface of the irregular magnesium alloy pipe fitting, the length of each inclined detection rod 12 is larger than that of the detection rod 10 in the initial state, so that the second detection ball 13 at the extending end of each inclined detection rod 12 is ensured to contact the side surface of the workpiece when the first detection ball 11 at the extending end of the detection rod 10 contacts the side surface of the workpiece, the situation that the first detection ball 11 contacts the side surface of the workpiece and the two second detection balls 13 cannot contact the side surface of the workpiece to influence the detection result is avoided, the distance that the third electric telescopic rod drives the detection rod 10 to extend leftwards is controlled to enable the second detection ball 13 at the extending end of each inclined detection rod 12 to cling to the side face of a workpiece, meanwhile, each inclined detection rod 12 can swing up and down along the side face of the workpiece along with the swing rod 9, each inclined detection rod 12 is of a spring rod structure, a sensor is arranged in each inclined detection rod 12 and used for detecting the compression amount of the spring rod, the two inclined detection rods 12 swing up and down along the side face of the workpiece along with the swing rod 9, when the sensors in the two inclined detection rods 12 detect that the compression amounts of the two spring rods are the same, the sensors send signals to the controller to control the second rotating motor to stop working, the swing rod 9 stops swinging, the third electric telescopic rod is controlled to drive the detection rod 10 to extend leftwards to enable the first detection ball 11 to contact the side face of the irregular magnesium alloy pipe fitting, at the moment, the two inclined detection rods 12 are vertically and symmetrically arranged relative to the extending end of the detection rod 10, and the compression amounts of the two inclined detection rods 12 are the same, therefore, the detection rod 10 is perpendicular to the side surface of the irregular magnesium alloy pipe, the position sensors are arranged on the first detection ball 11 and each second detection ball 13, the first detection ball 11 and each second detection ball 13 are tightly attached to the side surface of the workpiece, the position sensors of the first detection ball 11 and each second detection ball 13 determine the positions of three points on the side surface of the workpiece, meanwhile, the distance sensor in the vertical detection rod 8 measures the vertical distance from the upper end rotation center of the vertical detection rod 8 to the lower end magnesium alloy plate-shaped part, the position of a welding point can be obtained according to the positions of the three points on the side surface of the workpiece determined by the position sensors and the vertical distance from the upper end rotation center of the vertical detection rod 8 to the lower end magnesium alloy plate-shaped part measured by the distance sensor, the central axes of the extending ends of the vertical detection rod 8 and the detection rod 10 and the central axis of the welding gun 5 are all on the same plane, and the accuracy of the detection result is ensured, the front end face of the front connecting rod 6 and the rear end face of the rear connecting rod 7 are fixedly connected with graduated scales, the first rotating motor and the second rotating motor are coaxially and fixedly connected with angle pointers matched with the corresponding graduated scales, each angle pointer can display the swinging angle of the vertical detection rod 8 relative to the central axis of the welding gun 5 and the swinging angle of the swinging rod 9 relative to the central axis of the welding gun 5, so that the welding gun 5 can be more clearly and effectively controlled to carry out corresponding angle adjustment, then the swinging angle of the welding gun 5 in the vertical direction is controlled by the welding gun posture adjusting device to enable a welding gun mouth to face the welding point position, the welding gun posture adjusting device comprises an upper displacement frame 16 fixedly connected to the lower end face of the second electric telescopic rod, the left side and the right side of the upper displacement frame 16 are longitudinally and slidably connected with a first longitudinal displacement motor, and the first longitudinal displacement motor is coaxially and fixedly connected with a first transverse threaded rod, the upper displacement frame 16 is longitudinally and transversely connected with a first transverse displacement motor in a front-back transverse sliding manner, the first transverse displacement motor is coaxially and fixedly connected with a first longitudinal threaded rod, the first longitudinal threaded rod and the first transverse threaded rod are arranged in a staggered manner, the staggered position is in threaded fit with an upper spherical hinge seat 17 extending downwards, the first longitudinal displacement motor drives the first transverse threaded rod which is coaxially and fixedly connected to rotate to drive the upper spherical hinge seat 17 to transversely slide left and right, the first transverse displacement motor drives the first longitudinal threaded rod which is coaxially and fixedly connected to rotate to drive the upper spherical hinge seat 17 to longitudinally move back and forth, the upper spherical hinge seat 17 can move to any position in the upper displacement frame 16 under the combined action of the first longitudinal displacement motor and the first transverse displacement motor, the left side of the upper spherical hinge seat 17 is provided with an upper arc-shaped limiting groove 18 which is vertically communicated, the inner ball of the upper spherical hinge seat 17 is hinged with a first swinging ball 19, the first swinging ball 19 is fixedly connected with a first limiting pin 20 matched with the upper arc-shaped limiting groove 18, the lower end of the first swinging ball 19 is fixedly connected with a telescopic rod 21 fixedly connected with the upper end face of the welding gun 5, a first limit pin 20 fixedly connected with the first swinging ball 19 and matched with the upper arc-shaped limit groove 18 limits the rotation of the first swinging ball 19, so that the first swinging ball 19 can only swing in the upper ball hinged support 17 but can not rotate, the lower end of the first swinging ball 19 is fixedly connected with a telescopic rod 21 fixedly connected with the upper end face of the welding gun 5, so that the welding gun 5 can only swing along with the first swinging ball 19 but can not rotate, the welding gun 5 can not rotate in the posture adjustment process and the welding process, so that the accurate posture adjustment and the accurate welding can be ensured, the upper ball hinged support 17 moves to any position in the upper displacement support 16 under the combined action of the first longitudinal displacement motor and the first transverse displacement motor to drive the first swinging ball 19 hinged inside the upper ball to swing to move to any direction and simultaneously swing, the upper end of the welding gun 5 moves and swings together with the first swing ball 19, the lower end of the upper displacement frame 16 is fixedly connected with a lower displacement frame 22, the left side and the right side of the lower displacement frame 22 are longitudinally and slidably connected with a second longitudinal displacement motor, a second transverse threaded rod is coaxially and fixedly connected with the second longitudinal displacement motor, the lower displacement frame 22 is longitudinally and transversely slidably connected with a second transverse displacement motor, the second longitudinal threaded rod and the second transverse threaded rod are arranged in a staggered mode, in a staggered position, a lower ball hinged support 23 extending upwards is in threaded fit, the second transverse threaded rod which is coaxially and fixedly connected is driven by the second longitudinal displacement motor to rotate to drive the lower ball hinged support 23 to transversely slide left and right, the second longitudinal threaded rod which is coaxially and fixedly connected is driven by the second transverse displacement motor to rotate to drive the lower ball hinged support 23 to longitudinally and forwards move, and the lower ball hinged support 23 can move downwards under the combined action of the second longitudinal displacement motor and the second transverse displacement motor The displacement frame 22 moves to any position, the right side of the lower spherical hinged support 23 is provided with a vertically through lower arc-shaped limiting groove 24, the inner ball of the lower spherical hinged support 23 is hinged with a second swinging ball 25, the second swinging ball 25 is fixedly connected with a second limiting pin 26 matched with the lower arc-shaped limiting groove 24, the upper end of the second swinging ball 25 is fixedly connected with the welding gun 5, the second limiting pin 26 fixedly connected with the second swinging ball 25 and matched with the lower arc-shaped limiting groove 24 limits the rotation of the second swinging ball 25, so that the second swinging ball 25 can only swing in the lower spherical hinged support 23 but can not rotate, the upper end of the second swinging ball 25 is fixedly connected with the welding gun 5, so that the welding gun 5 can only swing along with the second swinging ball 25 but can not rotate, the lower spherical hinged support 23 moves to any position in the lower frame 22 under the combined action of the second longitudinal displacement motor and the second transverse displacement motor to drive the second swinging ball 25 hinged therein to move to any direction and swing at the same time, the lower end of the welding gun 5 moves and swings together with the second swing ball 25, the lower displacement frame 22 is positioned under the upper displacement frame 16, the vertical distance between the lower displacement frame 22 and the upper displacement frame 16 is smaller than the length of the welding gun 5, the size of the lower displacement frame 22 is smaller than that of the upper displacement frame 16, a space for ensuring the swing of the extending end of the welding gun 5 is reserved between the lower displacement frame 22 and the extending end of the welding gun 5, the size of the lower displacement frame 22 is smaller than that of the upper displacement frame 16, so that the distance for moving the lower end of the welding gun 5 together with the second swing ball 25 is smaller, the distance for moving the upper end of the welding gun 5 together with the first swing ball 19 is larger, the moving distance of the lower end of the welding gun 5 is smaller than that of the upper end of the welding gun 5, so that the welding gun 5 is inclined at a certain angle, the inclination angle of the welding gun 5 can be adjusted in real time by controlling the moving distance of the lower end of the welding gun 5 and the moving distance of the upper end of the welding gun 5, and a space for ensuring the swing of the extending end of the welding gun 5 is reserved between the lower displacement frame 22 and the welding gun 5, so that the space for adjusting the extending end of the welding gun 5 can be adjusted when the inclination angle of the extending end of the welding gun 5 The welding gun posture adjusting device can control the welding gun 5 to carry out set posture adjustment and can keep the welding gun mouth of the welding gun 5 at the same height through adjusting and matching with the second electric telescopic rod in the vertical direction, after the welding point position is determined, the first longitudinal displacement motor and the first transverse displacement motor are driven to adjust the position of the upper ball hinged support 17, the upper end of the welding gun 5 moves and swings along with the first swinging ball 19 which is hinged with the ball in the upper ball hinged support 17, the second longitudinal displacement motor and the second transverse displacement motor are driven to adjust the position of the lower ball hinged support 23, the lower end of the welding gun 5 moves and swings along with the second swinging ball 25 which is hinged with the ball in the lower ball hinged support 23, the position of the extending gun mouth of the welding gun 5 can move up and down in the process of adjusting the inclination angle of the welding gun 5, and the position of the extending gun mouth of the welding gun 5 can be adjusted to keep the same height all the time through controlling the downward extending amount of the second electric telescopic rod, meanwhile, the distance between the extending end muzzle of the welding gun 5 and the horizontal direction of the welding seam is adjusted through the movement of the upper end displacement block 4, so that the extending end muzzle of the welding gun 5 always faces to the determined welding point position, the inclination angle of the welding gun 5 is finally adjusted to enable the extending end muzzle to face to the determined welding point position, the welding gun 5 is started to start welding, a driving motor fixedly connected to the upper end face of the welding trolley 1 is started, the driving motor drives a gear which is coaxially and fixedly connected with the driving motor to rotate, the gear which is coaxially and fixedly connected with the driving motor is matched with a large gear 30, the lower end face of the large gear 30 is coaxially and fixedly connected with a sleeve 29, the lower end face of the sleeve 29 is coaxially and fixedly connected with a rotating disc 2, the gear which is coaxially and fixedly connected with the driving motor rotates to drive the large gear 30 and the rotating disc 2, and the rotating disc 2 rotates to drive the displacement block 4 and a second electric telescopic rod which is fixedly connected with the lower end face of the displacement block 4, The welding gun posture adjusting device fixedly connected with the lower end face of the second electric telescopic rod and the welding gun 5 rotate around the workpiece to be welded, the welding gun 5 starts to weld around the workpiece to be welded, the second rotating motor is controlled to continue to work to drive the swinging rod 9 to swing continuously, two curved surface detection rods 14 which are fixedly connected with the extending end of the swinging rod 9 and extend towards the left front side and the left rear side are symmetrically arranged at the longitudinal front end and the rear end of the detection rod 10, the extending end of each curved surface detection rod 14 is hinged with a third detection ball 15, the extending end of each curved surface detection rod 14 is fixedly connected with a spring, the other end of the spring is fixedly connected with a ball hinge seat, each third detection ball 15 is hinged in a corresponding ball hinge seat, each curved surface detection rod 14 is of a spring rod structure, and a pressure sensor is arranged at the connecting position of the extending end of each curved surface detection rod 14 and the spring for detecting the contact of each third detection ball 15 with the side face of the workpiece, each curved surface detection rod 14 is of a spring rod structure, a sensor is arranged inside each curved surface detection rod for detecting the compression amount of the spring rod, in the process that the welding gun 5 welds around a workpiece to be welded, when the two curved surface detection rods 14 swing up and down along the side surface of the workpiece along with the swing rod 9 and the sensors in the two curved surface detection rods 14 detect that the compression amounts of the two spring rods are different, the fact that the shape of the side surface of the irregular magnesium alloy pipe fitting changes requires to adjust the longitudinal swing angle of the welding gun 5 is indicated, the sensors send signals to the controller to control the first longitudinal displacement motor and the first transverse displacement motor and the second longitudinal displacement motor and the second transverse displacement motor to adjust the longitudinal swing angle of the welding gun 5, and when the sensors in the two curved surface detection rods 14 detect that the compression amounts of the two spring rods are the same, the fact that the longitudinal swing angle of the welding gun 5 reaches the proper position to continue welding work, then, in the process that the welding gun 5 performs welding around the workpiece to be welded, the included angle between the side face of the irregular magnesium alloy pipe fitting and the top face of the magnesium alloy plate-shaped part can also be changed, the detection process described above is continuously repeated, the welding gun 5 is controlled to perform set posture adjustment through the welding gun posture adjustment device, so that the welding gun 5 is controlled to swing transversely, leftwards and rightwards and to swing longitudinally, the welding gun 5 is always in the optimal welding position, the gun port of the extending end of the welding gun 5 always faces the determined welding point position, and the welding gun 5 rotates around the workpiece to be welded for one circle to complete welding.
When the splicing seam of the round magnesium alloy pipe and the magnesium alloy plate-shaped part is welded, the specific working process is the same as the process of welding the splicing seam of the irregular magnesium alloy pipe and the magnesium alloy plate-shaped part described above, only because the shape of the curved surface of the side surface of the round magnesium alloy pipe does not change, the compression amount of the spring rod inside the two curved surface detection rods 14 is always consistent, the longitudinal swing angle of the welding gun 5 is not required to be adjusted, then the included angle between the side surface of the round magnesium alloy pipe and the top surface of the magnesium alloy plate-shaped part can also change in the process of welding the welding gun 5 around a workpiece to be welded, the detection process described above is continuously repeated, the welding gun 5 is controlled by the welding gun posture adjusting device to carry out set posture adjustment, so that the welding gun 5 is controlled to swing transversely left and right, the welding gun 5 is always in the optimal welding position, the gun port at the end of the welding gun 5 always faces the determined welding point position, the welding gun 5 rotates for one circle around the workpiece to be welded to complete welding.
Claims (9)
1. An automatic welding device for processing magnesium alloy materials comprises a welding trolley (1), wherein the upper end of the welding trolley (1) is rotatably connected with a rotating disc (2), and the automatic welding device is characterized in that a displacement groove (3) is formed in the lower end face of the rotating disc (2) along the radial direction, a displacement block (4) is arranged in the displacement groove (3) in a screw thread fit mode driven by a displacement motor, a second electric telescopic rod extending downwards is fixedly connected to the lower end face of the displacement block (4), a welding gun posture adjusting device is fixedly connected to the lower end face of the second electric telescopic rod, the welding gun posture adjusting device controls a welding gun (5) to perform set posture adjustment, the longitudinal front end face and the longitudinal rear end face of the extending end of the welding gun (5) are fixedly connected with a front connecting rod (6) and a rear connecting rod (7) which are symmetrically arranged and perpendicular to the axis of the welding gun (5), a first rotating motor is fixedly connected to the front connecting rod (6), a vertical detection rod (8) which extends downwards and is rotatably connected to the front connecting rod (6) is fixedly connected to an output shaft of the first rotating motor, a second rotating motor is fixedly connected to the rear connecting rod (7), an oscillating rod (9) which extends leftwards and is rotatably connected to the rear connecting rod (7) is fixedly connected to an output shaft of the second rotating motor, a third electric telescopic rod is fixedly connected to an extending end of the oscillating rod (9), the third electric telescopic rod drives a detection rod (10), the extending end ball of the detection rod (10) is hinged to a first detection ball (11), the extending end of the detection rod (10) is vertically and fixedly connected to two inclined detection rods (12) which extend leftwards and downwards and are symmetrically arranged, the extending end of each inclined detection rod (12) is hinged to a second detection ball (13), and the length of each inclined detection rod (12) in an initial state is greater than that of the detection rod (10), two curved surface detection rods (14) fixedly connected to the extending end of the swing rod (9) and extending towards the left front side and the left rear side are symmetrically arranged at the longitudinal front end and the longitudinal rear end of the detection rod (10), and the extending end of each curved surface detection rod (14) is hinged to a third detection ball (15) in a ball-sharing mode.
2. The automatic welding equipment for magnesium alloy material processing according to claim 1, wherein the welding gun posture adjusting device comprises an upper shift frame (16) fixedly connected to the lower end surface of the second electric telescopic rod, the left and right sides of the upper shift frame (16) are longitudinally and slidably connected with a first longitudinal displacement motor, the first longitudinal displacement motor is coaxially and fixedly connected with a first transverse threaded rod, the upper shift frame (16) is longitudinally and transversely slidably connected with a first transverse displacement motor, the first transverse displacement motor is coaxially and fixedly connected with a first longitudinal threaded rod, the first longitudinal threaded rod and the first transverse threaded rod are arranged in a staggered manner, the staggered position is in threaded fit with an upper ball hinged support (17) extending downwards, the left side of the upper ball hinged support (17) is provided with a vertically through upper arc-shaped limiting groove (18), and the inner ball of the upper ball hinged support (17) is hinged with a first swinging ball (19), a first limit pin (20) matched with the upper arc-shaped limit groove (18) is fixedly connected with the first swinging ball (19), the lower end of the first swinging ball (19) is fixedly connected with a telescopic rod (21) fixedly connected with the upper end surface of the welding gun (5), the lower end of the upper displacement frame (16) is fixedly connected with a lower displacement frame (22), the left side and the right side of the lower displacement frame (22) are longitudinally and slidably connected with a second longitudinal displacement motor, the second longitudinal displacement motor is coaxially and fixedly connected with a second transverse threaded rod, the lower displacement frame (22) is longitudinally and transversely and slidably connected with a second transverse displacement motor, the second transverse displacement motor is coaxially and fixedly connected with a second longitudinal threaded rod, the second longitudinal threaded rod and the second transverse threaded rod are arranged in a staggered mode, a lower ball hinged support (23) extending upwards is in a threaded fit mode at the staggered position, and a lower arc-shaped limit groove (24) which is vertically communicated, the inner ball of the lower ball hinged support (23) is hinged with a second swinging ball (25), the second swinging ball (25) is fixedly connected with a second limiting pin (26) matched with a lower arc-shaped limiting groove (24), the upper end of the second swinging ball (25) is fixedly connected with a welding gun (5), and the welding gun posture adjusting device can control the welding gun (5) to adjust the set posture and keep a welding gun opening of the welding gun (5) at the same height through the adjustment and matching with a second electric telescopic rod in the vertical direction.
3. The automatic welding equipment for magnesium alloy material processing according to claim 1, characterized in that a verticality sensor and a distance sensor are arranged in the vertical detection rod (8), the verticality sensor is used for adjusting the vertical direction of the vertical detection rod (8) all the time, the distance sensor is used for measuring the vertical distance from the rotating center of the upper end of the vertical detection rod (8) to a workpiece at the lower end, the vertical detection rod (8) is of a spring rod structure, the extending end of the vertical detection rod (8) is rotatably connected with an obstacle crossing mechanism, the detection rod (10), each inclined detection rod (12) and each curved detection rod (14) are fixedly connected with springs, the other ends of the springs are fixedly connected with ball hinge seats, the first detection ball (11), the second detection ball (13) and the third detection ball (15) are respectively and spherically hinged in the corresponding ball hinge seats, and each inclined detection rod (12) and each curved detection rod (14) are of the spring rod structure, all be equipped with position sensor on first detection ball (11) and each second detection ball (13) spheroid, each curved surface check rod (14) stretches out the end and all is equipped with pressure sensor with spring coupling position.
4. The automatic welding equipment for processing the magnesium alloy material is characterized in that the obstacle crossing mechanism comprises a planet carrier (27) with a rotating shaft arranged transversely and connected to the extending end of the vertical detection rod (8) in a rotating mode, and a plurality of obstacle crossing wheels (28) which are uniformly distributed along the circumference are connected to the planet carrier (27) in a rotating mode.
5. The automatic welding equipment for magnesium alloy material processing according to claim 1, wherein the central axes of the extending ends of the vertical detection rod (8) and the detection rod (10) and the central axis of the welding gun (5) are on the same plane.
6. The automatic welding equipment for magnesium alloy material processing according to claim 2, wherein the lower displacement frame (22) is positioned under the upper displacement frame (16), the vertical distance between the lower displacement frame (22) and the upper displacement frame (16) is less than the length of the welding gun (5), the size of the lower displacement frame (22) is less than that of the upper displacement frame (16), and a space for ensuring the swinging of the extending end of the welding gun (5) is reserved between the lower displacement frame (22) and the extending end of the welding gun (5).
7. The automatic welding equipment for magnesium alloy material processing according to claim 1, wherein a sleeve (29) is coaxially and fixedly connected to the upper end surface of the rotating disc (2), a large gear (30) is coaxially and fixedly connected to the upper end surface of the sleeve (29), and the large gear (30) is driven to rotate through the matching of gears by a driving motor fixedly connected to the upper end surface of the welding trolley (1).
8. The automatic welding equipment for magnesium alloy material processing according to claim 7, wherein a compressing device is extended downwards from the upper end of the welding trolley (1), the compressing device comprises a first electric telescopic rod fixedly connected to the upper end of the welding trolley (1), the first electric telescopic rod penetrates through a sleeve (29) and extends downwards, a rotating cavity (31) is fixedly connected to the extended end of the first electric telescopic rod, a compressing motor is fixedly connected to the inside of the rotating cavity (31), a pressure plate (32) is coaxially and fixedly connected to the lower end of the compressing motor, the pressure plate (32) is rotatably connected to the inside of the rotating cavity (31), the pressure plate (32) is provided with a plurality of notches (33) uniformly arranged along the circumference, a pressure plate (34) moving along the radial direction of the pressure plate (32) is respectively and slidably connected to the inside of each notch (33), the rotating cavity (31) is uniformly provided with a plurality of sliding grooves (35) along the circumference, each pressure plate (34) is connected inside the sliding groove (35) in a sliding mode.
9. The automatic welding equipment for magnesium alloy material processing according to claim 1, wherein scales are fixedly connected to the front end face of the front connecting rod (6) and the rear end face of the rear connecting rod (7), and angle pointers matched with the corresponding scales are coaxially and fixedly connected to the first rotating motor and the second rotating motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110575330.3A CN113319485A (en) | 2021-05-26 | 2021-05-26 | Automatic welding equipment for magnesium alloy material processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110575330.3A CN113319485A (en) | 2021-05-26 | 2021-05-26 | Automatic welding equipment for magnesium alloy material processing |
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| CN113319485A true CN113319485A (en) | 2021-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110575330.3A Withdrawn CN113319485A (en) | 2021-05-26 | 2021-05-26 | Automatic welding equipment for magnesium alloy material processing |
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| CN (1) | CN113319485A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117359129A (en) * | 2023-11-09 | 2024-01-09 | 浙江森车瑞日用品有限公司 | Welding device and process for heating thick film at bottom of kettle |
| CN117399876A (en) * | 2023-11-07 | 2024-01-16 | 山东安贝智能物流设备有限公司 | Metal tray assembly welding robot |
-
2021
- 2021-05-26 CN CN202110575330.3A patent/CN113319485A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117399876A (en) * | 2023-11-07 | 2024-01-16 | 山东安贝智能物流设备有限公司 | Metal tray assembly welding robot |
| CN117399876B (en) * | 2023-11-07 | 2024-03-12 | 山东安贝智能物流设备有限公司 | Metal tray assembly welding robot |
| CN117359129A (en) * | 2023-11-09 | 2024-01-09 | 浙江森车瑞日用品有限公司 | Welding device and process for heating thick film at bottom of kettle |
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