Welding gun correcting device of arc welding robot

Abstract

The utility model discloses a welding gun correcting device of an arc welding robot. The welding gun correcting device comprises two clamping structures and a correcting structure, wherein the two clamping structures are installed on the upper surface of a movable base and used for clamping a welding gun structure, and the correcting structure is installed on the upper surface of a fixed base. The welding gun structure is clamped and fixed through the clamping structure, the welding gun structure penetrates through the inner side of the first extrusion wheel and the inner side of the second extrusion wheel, the second electric push rod is controlled to extend, the ejector block is ejected out, and the inclined face of the upper surface of the ejector block enables the sliding block to slide upwards; in the upward sliding process of the sliding block, the lower surface of the welding gun structure is extruded through a first extrusion wheel at the upper end, and meanwhile, in the upward sliding process of inclined planes on the two sides of the sliding block, the lower end of the connecting rod is extruded outwards, so that the upper end of the connecting rod rotates inwards around the connecting point of the connecting rod and the fixed frame; accurate correction and fixing of the welding gun structure are achieved, the positioning accuracy and the welding stability of the welding gun are improved, and therefore the working efficiency and the welding quality of the arc welding robot are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to arc welding robot technical field especially relates to a kind of arc welding robot welding torch correction device. BACKGROUND

[0002] Arc welding robot is a kind of integrated mechanical arm, control system, welding power supply and sensor automation welding equipment, it utilizes arc as heat source to melt metal, to realize the connection of metal or alloy.This robot usually has multiple degrees of freedom, can accurately simulate the action of human welder, carries out straight line, curve or complex trajectory welding operation.Through preset program or real-time control, arc welding robot can complete high-precision, high-repeatability and high-efficiency welding task in automobile manufacturing, shipbuilding, aerospace and other fields, while reducing human error, improving production safety and product quality.

[0003] In current arc welding robot technology application, the accurate correction of welding torch is a key step, which directly affects welding quality and efficiency, in order to achieve this goal, special welding torch fixture is generally used to fix welding torch, to ensure its stability during correction process, however, the existing traditional welding torch fixture has certain limitations in use process, first, its installation process mainly depends on manual operation, which not only consumes time and effort, but also easily leads to low installation precision due to human factors, thereby affecting correction effect;Second, the design of these fixtures is often targeted at welding torch of specific size, lacks flexibility, cannot adapt to welding torch of different sizes and models, leading to poor adaptability to various welding torch in actual application, multiple fixtures need to be prepared to meet different welding requirements, which not only increases cost, but also reduces work efficiency.

[0004] Therefore, the existing welding torch fixture still needs to be improved in operation convenience, adaptability and efficiency. INVENTION CONTENTS

[0005] One purpose of the utility model is to propose a kind of arc welding robot welding torch correction device, the utility model is to solve the problem that the existing traditional welding torch fixture has certain limitations in use process in the above background, first, its installation process mainly depends on manual operation, which not only consumes time and effort, but also easily leads to low installation precision due to human factors, thereby affecting correction effect;Second, the design of these fixtures is often targeted at welding torch of specific size, lacks flexibility, cannot adapt to welding torch of different sizes and models, leading to poor adaptability to various welding torch in actual application, multiple fixtures need to be prepared to meet different welding requirements, which not only increases cost, but also reduces work efficiency.

[0006] According to the arc welding robot welding gun correction device, the two groups of clamping structures are used for clamping the welding gun structure, the correction structure is installed on the upper surface of the fixed base, the clamping structure includes a top block, a sliding block, a first extrusion wheel and a second extrusion wheel, the top block is fixedly connected to the telescopic end of the second electric push rod, the upper surface of the movable base is provided with a sliding groove, the top block is slidably connected to the inner side of the sliding groove, the upper surface of the sliding groove is fixedly connected with a sliding column, the sliding block is slidably connected to one side of the sliding column, the upper surface of the sliding block is fixedly connected with the first extrusion wheel, the upper surface of the movable base is fixedly connected with two fixed frames, the inner side upper portions of the two fixed frames are rotatably connected with connecting rods, and the upper ends of the connecting rods are rotatably connected with the second extrusion wheels.

[0007] Preferably, the lower portion of the sliding block is rotatably connected with a first roller, and the first roller rolls on the inclined surface of the top block.

[0008] Preferably, the lower ends of the two connecting rods are rotatably connected with second rollers, and the second rollers roll on the inclined surfaces on the two sides of the sliding block.

[0009] Preferably, the spring structure is fixedly connected between the lower ends of the side surfaces of the two connecting rods, the lower ends of the two connecting rods move outward when the welding gun structure is extruded, the upper ends of the two connecting rods move inward to extrude the welding gun structure, the spring structure is stretched, and the spring structure releases the welding gun structure from the upper ends of the two connecting rods when not in use.

[0010] Preferably, the upper surface of the fixed base is fixedly connected with a sliding rail and a first electric push rod, respectively, the movable base is fixedly connected to the telescopic end of the first electric push rod, and the movable base is slidably connected to the sliding rail.

[0011] Preferably, the correction structure includes a movable seat and a correction shaft, the upper surface of the fixed base is provided with a plurality of first positioning holes, and the plurality of first positioning holes are arranged in a straight line array on the upper surface of the fixed base.

[0012] Preferably, the movable seat is fixedly connected to the upper surface of the fixed base through the first positioning hole, a plurality of second positioning holes are penetratingly arranged on the surface of the movable seat, and the plurality of second positioning holes are arranged in a straight line array on the surface of the movable seat.

[0013] Preferably, the correction shaft is fixedly connected to the surface of the movable seat through the second positioning hole.

[0014] The arc welding robot welding gun correction device has the advantages that:

[0015] The utility model discloses a clamping structure is set, when correcting arc welding robot welding torch structure, through the clamping structure to the welding torch structure clamping fixed, the welding torch structure is passed through the first extruding wheel and the inside of second extruding wheel, control second electric push rod elongation, and the inclined plane of top block upper surface makes the sliding block to slide up, and the first extruding wheel of upper end is extruded to the lower surface of welding torch structure in the process that the sliding block slides up, and the lower end of connecting rod is extruded to the outside in the process that the inclined plane of sliding block both sides slides up, and the upper end of connecting rod rotates to the inside around the connecting point of connecting rod and fixed frame, realizes the purpose that two second extruding wheels of both sides are extruded fixed to the upper surface two points of welding torch structure, realizes accurate correction and fixed to the welding torch structure, improves the positioning accuracy and welding stability of welding torch, thereby improve the work efficiency and welding quality of arc welding robot.

[0016] The utility model discloses a correction structure is set, after fixing the mobile seat through first positioning hole on the corresponding position of fixed base upper surface, fix the correction shaft through second positioning hole in the upper of mobile seat, realize the purpose that the welding wire of welding torch structure front end is corrected through the correction shaft. ACCURACY

[0017] The accompanying drawings are included to provide a further understanding of the present application, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and serve to explain the present application, and do not constitute a limitation of the present application. In the drawings:

[0018] Figure 1 The utility model provides a kind of arc welding robot welding torch correction device structure schematic view proposed in the utility model;

[0019] Figure 2 Another angle of the utility model proposes a kind of arc welding robot welding torch correction device structure schematic view;

[0020] Figure 3 The utility model proposes a kind of arc welding robot welding torch correction device Figure 2 The utility model proposes a kind of arc welding robot welding torch correction device

[0021] Figure 4 The utility model proposes a kind of arc welding robot welding torch correction device

[0022] In the figure: 1, fixed base; 2, first electric push rod; 3, sliding rail; 4, moving base; 5, welding gun structure; 6, clamping structure; 601, second electric push rod; 602, sliding groove; 603, top block; 604, sliding column; 605, sliding block; 606, first roller; 607, first extrusion wheel; 608, fixed frame; 609, connecting rod; 610, second roller; 611, second extrusion wheel; 612, spring structure; 7, correction structure; 701, first positioning hole; 702, moving seat; 703, second positioning hole; 704, correction shaft. DETAILED DESCRIPTION

[0023] The utility model will be explained in further detail now in combination with the drawings. These drawings are all simplified schematic diagrams, and only schematically show the basic structure of the utility model, so they only show the components related to the utility model.

[0024] REFERENCE Figures 1-4 A kind of arc welding robot welding gun correction device, including the two groups of clamping structures 6 for clamping welding gun structure 5 installed on the upper surface of moving base 4 and correction structure 7 installed on the upper surface of fixed base 1, clamping structure 6 includes top block 603, sliding block 605, first extrusion wheel 607 and second extrusion wheel 611, top block 603 is fixedly connected at the telescopic end of second electric push rod 601, the upper surface of moving base 4 is provided with sliding groove 602, top block 603 is slidably connected at the inner side of sliding groove 602, the upper surface of sliding groove 602 is fixedly connected with sliding column 604, sliding block 605 is slidably connected at one side of sliding column 604, the upper surface of sliding block 605 is fixedly connected with first extrusion wheel 607, the upper surface of moving base 4 is fixedly connected with two fixed frames 608, the inner side upper portion of two fixed frames 608 is rotatably connected with connecting rod 609, the upper end of connecting rod 609 is rotatably connected with second extrusion wheel 611, when correcting arc welding robot welding gun structure 5, welding gun structure 5 is fixed by clamping structure 6, welding gun structure 5 is passed through the inner side of first extrusion wheel 607 and second extrusion wheel 611, the extension of second electric push rod 601 is controlled, top block 603 is ejected, the inclined surface on the upper surface of top block 603 makes sliding block 605 slide upwards, the lower surface of welding gun structure 5 is extruded by first extrusion wheel 607 on the upper end in the process that sliding block 605 slides upwards, while the lower end of connecting rod 609 is extruded outward in the process that the inclined surface on the both sides of sliding block 605 slides upwards, the upper end of connecting rod 609 is rotated inward around the connecting point of connecting rod 609 and fixed frame 608, the purpose that the upper surface of welding gun structure 5 is extruded and fixed by two second extrusion wheels 611 on both sides is realized, the accurate correction and fixing of welding gun structure 5 are realized, the positioning accuracy and welding stability of welding gun are improved, so the working efficiency and welding quality of arc welding robot are improved.

[0025] The lower part of the sliding block 605 is rotationally connected with the first roller 606, the first roller 606 rolls on the inclined surface of the top block 603, the lower ends of the two connecting rods 609 are both rotationally connected with the second roller 610, the second roller 610 rolls on the two side inclined surfaces of the sliding block 605, the spring structure 612 is fixedly connected between the lower ends of the side surfaces of the two connecting rods 609, when the butt welding gun structure 5 is extruded, the lower ends of the two connecting rods 609 move outward, the upper ends of the two connecting rods 609 move inward to extrude the butt welding gun structure 5, the spring structure 612 is stretched, when not in use, the spring structure 612 releases the butt welding gun structure 5 from the two connecting rods 609, the upper surface of the fixed base 1 is fixedly connected with the slide rail 3 and the first electric push rod 2 respectively, the moving base 4 is fixedly connected to the extension end of the first electric push rod 2, the moving base 4 is slidingly connected to the slide rail 3, the first electric push rod 2 is elongated or shortened to make the upper end clamped fixed butt welding gun structure 5 close to or away from the correction shaft 704, so as to realize the purpose of correcting the arc welding robot welding gun.

[0026] Embodiment 2: The correction structure 7 includes a moving seat 702 and a correction shaft 704, the upper surface of the fixed base 1 is provided with a plurality of first positioning holes 701, the plurality of first positioning holes 701 are arranged in a straight line array on the upper surface of the fixed base 1, the moving seat 702 is fixedly connected to the upper surface of the fixed base 1 through the first positioning hole 701, a plurality of second positioning holes 703 are provided on the surface of the moving seat 702, the plurality of second positioning holes 703 are arranged in a straight line array on the surface of the moving seat 702, and the correction shaft 704 is fixedly connected to the surface of the moving seat 702 through the second positioning hole 703. After the moving seat 702 is fixed on the corresponding position of the upper surface of the fixed base 1 through the first positioning hole 701, the correction shaft 704 is fixed above the moving seat 702 through the second positioning hole 703, and the correction shaft 704 is used to correct the welding wire at the front end of the butt welding gun structure 5.

[0027] In use, first, the welding gun structure 5 is placed between the two sets of clamping structures 6, the second electric push rod 601 is controlled to extend, the top block 603 is pushed to move upwards along the sliding groove 602, the slope on the upper surface of the top block 603 makes the sliding block 605 slide on the sliding column 604, and the first roller 606 on the sliding block 605 rolls on the slope of the top block 603, with the upward movement of the sliding block 605, the first extrusion wheel 607 extrudes the lower surface of the welding gun structure 5, and the slope on the two sides of the sliding block 605 pushes the second roller 610 at the lower end of the connecting rod 609 to move outward, so that the second extrusion wheel 611 at the upper end of the connecting rod 609 rotates inward, thereby extruding and fixing two points on the upper surface of the welding gun structure 5, at this time, the spring structure 612 is stretched, then the first positioning hole 701 on the fixed base 1 is used to fix the moving seat 702, the second positioning hole 703 is used to fix the correction shaft 704, the first electric push rod 2 is controlled to move the moving base 4 along the sliding rail 3, so that the welding gun structure 5 approaches the correction shaft 704, and the welding wire at the front end of the welding gun structure 5 is accurately corrected, after the correction is completed, the second electric push rod 601 is released, the spring structure 612 returns to the original state, thereby releasing the extrusion on the welding gun structure 5, the correction process of the welding gun is completed, the positioning accuracy and welding stability of the welding gun are improved, and the working efficiency and welding quality of the arc welding robot are improved.

[0028] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An arc welding robot torch calibration device, characterized by, The utility model provides a welding gun structure (5) is fixedly connected to the upper surface of the fixed base (1), and the welding gun structure (5) is fixedly connected to the upper surface of the mobile base (4), and the welding gun structure (5) is fixedly connected to the upper surface of the fixed base (1) and the upper surface of the mobile base (4) through the two sets of clamping structures (6) and the correction structure (7) of the fixed base (1) and the mobile base (4), and the welding gun structure (5) is fixedly connected to the upper surface of the fixed base (1) and the upper surface of the mobile base (4) through the two sets of clamping structures (6) and the correction structure (7) of the fixed base (1) and the mobile base (4).

2. The arc welding robot torch calibration device of claim 1, wherein, The lower part of the sliding block (605) is rotatably connected with a first roller (606), which rolls on the inclined surface of the top block (603).

3. The arc welding robot torch calibration device of claim 1, wherein, The lower ends of the two connecting rods (609) are rotatably connected with second rollers (610), which roll on the inclined surfaces on both sides of the sliding block (605).

4. The arc welding robot torch calibration device of claim 1, wherein, The side surfaces of the lower ends of the two connecting rods (609) are fixedly connected with a spring structure (612), which is stretched when the welding gun structure (5) is squeezed, and releases the welding gun structure (5) when not in use.

5. The arc welding robot torch calibration device of claim 1, wherein, The upper surface of the fixed base (1) is fixedly connected with a slide rail (3) and a first electric push rod (2), respectively, and the mobile base (4) is fixedly connected to the extension end of the first electric push rod (2) and is slidably connected to the slide rail (3).

6. The arc welding robot torch calibration device of claim 1, wherein, The correction structure (7) includes a mobile seat (702) and a correction shaft (704), and the upper surface of the fixed base (1) is provided with a plurality of first positioning holes (701) arranged in a straight line array.

7. The arc welding robot torch calibration device of claim 6, wherein, The mobile seat (702) is fixedly connected to the upper surface of the fixed base (1) through the first positioning hole (701), and a plurality of second positioning holes (703) are formed in the surface of the mobile seat (702).

8. The arc welding robot torch calibration device of claim 6, wherein, The correction shaft (704) is fixedly connected to the surface of the mobile seat (702) through the second positioning hole (703).

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