Welding device with sheet defect detection function

Abstract

The utility model discloses a welding device with a sheet defect detection function, which comprises a base, an inverted L-shaped mounting plate is fixed on the upper surface of the base, rectangular frame-shaped positioning tables of a sheet are respectively fixed on two sides of the mounting plate, a base plate for welding is arranged between the two positioning tables, a positioning mechanism of the sheet is arranged in each positioning table, and the positioning mechanisms of the sheet are fixed on the mounting plate. A welding mechanism is arranged below the mounting plate transverse plate, and a [-shaped horizontal moving plate is arranged on one side of the welding mechanism; the welding seam height measuring assembly is arranged on one side of the laser welding machine, so that the welding seam height can be directly measured after the sheet metal is welded, the sheet metal does not deflect under the state that the positioning mechanism is not released, the measuring accuracy of the welding seam height can be improved, the sheet metal does not need to be repeatedly clamped and fixed in the measuring process, and the measuring efficiency is improved. And meanwhile, the height of the welded welding seam can be directly read through the height scales, so that the measurement efficiency in the subsequent measurement step is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sheet metal welding technical field, concretely is welding device with sheet defect detection. BACKGROUND

[0002] Sheet metal sheet needs to detect the weld defect after welding, not only need to carry out ultrasonic flaw detection but also detect whether the weld reinforcement is in the qualified range, the laser welding machine and weld height detection in the prior art are usually carried out separately, such as the patent CN216029050U discloses a sheet metal part welding device, including the bottom plate, the top of the bottom plate front and rear sides are all welded with the thick plate, the rear end surface of the bottom plate is welded with the welding machine, the inner wall of the thick plate is installed with the adjusting mechanism, the adjusting mechanism includes the stud bolt, the grooved wheel, the belt, the handle and the square plate, the outer wall of the stud bolt is rotatably connected with the inner wall of the thick plate, one end of the stud bolt is welded with the inner side of the grooved wheel. The sheet metal part welding device, the movable stud bolt cooperates with the square plate to drive the base to move inwards, makes the fixed sheet metal part on both sides adhere, realizes two-way adjustment, saves time, and the spring provides the elastic force to make the straight plate rebound and the base clamping, can be replaced during processing, shortens the shutdown interval, improves the work efficiency.

[0003] Although the device can improve the welding efficiency by improving the sheet metal alignment speed, the device only has the welding function, and when the weld height needs to be measured after welding, the sheet metal needs to be pressed and measured again, which affects the processing efficiency. UTILITY MODEL CONTENTS

[0004] The utility model discloses a welding device with sheet defect detection, which sets a weld thickness measuring device on one side of the laser welding machine, so that the sheet metal plate can automatically complete weld thickness measurement after welding, without the need for secondary pressing and fixing, thereby improving the efficiency of the detection link in the processing steps.

[0005] To achieve the above object, the utility model provides the following technical scheme: a welding device with sheet defect detection, comprising a base, the upper surface of the base is fixed with inverted L shape mounting plate, the both sides of the mounting plate are respectively fixed with the rectangular frame shape positioning table of sheet, the positioning table is provided with the welding backing plate between two, the positioning mechanism of sheet is provided in the positioning table, the welding mechanism is provided with the horizontal moving plate of the shape of a Chinese character on one side of the mounting plate, the weld height measuring assembly is installed below the horizontal moving plate, the displacement drive mechanism of the horizontal moving plate is installed on the upper surface of the base.

[0006] Preferably, the weld height measuring assembly comprises a measuring scale, the upper surface of the horizontal moving plate is fixed with a measuring electric cylinder through a screw, the measuring scale is fixed at the telescopic end of the measuring electric cylinder, and the two sides of the measuring scale are slidably connected with the inner walls of the two sides of the horizontal moving plate.

[0007] Preferably, the weld height measuring assembly further comprises a T-shaped pointer, one side of the horizontal moving plate is provided with a through slot, one end of the pointer penetrates through the through slot and is fixed with one end of the measuring scale, the transversely arranged end of the pointer is located outside the horizontal moving plate, and one side of the horizontal moving plate is provided with a height scale.

[0008] Preferably, one side of the vertical plate of the mounting plate is provided with a guide strip, the upper surface of the base is provided with a guide groove, one end of the horizontal moving plate is slidably connected with the mounting plate, and the other end of the horizontal moving plate is slidably connected in the guide groove.

[0009] Preferably, the displacement driving mechanism comprises an electric push rod, the electric push rod is fixedly connected with the base through a screw, and the telescopic end of the electric push rod is fixed with the horizontal moving plate.

[0010] Preferably, the welding mechanism comprises a laser welding machine, the transversely arranged plate of the mounting plate is provided with an electric sliding table, the bottom of the electric sliding table is fixed with an air cylinder, and the laser welding machine is fixed at the telescopic end of the air cylinder.

[0011] Preferably, the positioning mechanism comprises a pressing plate, the upper surface of the positioning table is fixed with a pressing electric cylinder, the pressing plate is fixed at the telescopic end of the pressing electric cylinder, the two ends of the inner wall of the positioning table are slidably connected with T-shaped positioning plates, one side of the positioning plate is rotatably connected with a rotating rod, one end of the rotating rod penetrates through the positioning table and is threadedly connected with the positioning table, and the positioning table is provided with a positioning scale.

[0012] Compared with the prior art, the weld height measuring assembly of the utility model has the beneficial effects that:

[0013] The utility model discloses a weld height measuring assembly is arranged at one side of the laser welding machine, so that the weld height of the sheet metal plate can be directly measured after welding, the sheet metal plate does not deflect under the condition that the positioning mechanism is not removed, the measurement accuracy of the weld height can be improved, the sheet metal plate does not need to be repeatedly clamped and fixed during measurement, and the weld height after welding can be directly read through the height scale, so that the measurement efficiency in the subsequent measurement step is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 Is the isometric view of the utility model;

[0015] Fig. 2 Is the structural schematic view of the welding mechanism of the utility model;

[0016] Fig. 3 is the structural diagram of the weld height measuring assembly and the positioning mechanism.

[0017] In the figure: 1, base; 2, mounting plate; 3, positioning table; 4, spacer plate; 5, positioning mechanism; 6, welding mechanism; 7, horizontally moving plate; 8, weld height measuring assembly; 9, displacement driving mechanism; 801, measuring scale; 802, measuring electric cylinder; 803, pointer; 804, through slot; 805, height scale; 806, guide bar; 807, guide slot; 901, electric push rod; 601, laser welding machine; 602, electric sliding table; 603, air cylinder; 501, pressing plate; 502, pressing electric cylinder; 503, positioning plate; 504, rotating rod; 505, positioning scale. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0019] Please refer to Figs. 1-3 The present application provides a technical solution: a welding device with sheet defect detection, comprising a base 1, the upper surface of the base 1 is fixed with an inverted L-shaped mounting plate 2, the two sides of the mounting plate 2 are respectively fixed with a rectangular frame-shaped positioning table 3 of a sheet, a spacer plate 4 for welding is arranged between the two positioning tables 3, a positioning mechanism 5 of a sheet is arranged in the positioning table 3, a welding mechanism 6 is arranged below the mounting plate 2 transversely to the plate, a horizontal moving plate 7 in the shape of a U is arranged on one side of the welding mechanism 6, a weld height measuring assembly 8 is installed below the horizontal moving plate 7, a displacement driving mechanism 9 of the horizontal moving plate 7 is installed on the upper surface of the base 1.

[0020] The weld height measuring assembly 8 comprises a measuring scale 801, a measuring electric cylinder 802 is fixed on the upper surface of the horizontal moving plate 7 through a screw, the measuring scale 801 is fixed at the telescopic end of the measuring electric cylinder 802, the two sides of the measuring scale 801 are slidably connected with the two inner walls of the horizontal moving plate 7, a pressure sensor is installed at the bottom of the measuring scale 801 for controlling the opening and closing of the height electric cylinder;

[0021] The weld height measuring assembly 8 further comprises a T-shaped pointer 803, a through slot 804 is formed on one side of the horizontal moving plate 7, one end of the pointer 803 penetrates through the through slot 804 and is fixed with one end of the measuring scale 801, the transversely arranged end of the pointer 803 is located outside the horizontal moving plate 7, a height scale 805 is arranged on one side of the horizontal moving plate 7, when the measuring scale 801 moves up and down, the pointer 803 is driven to move up and down;

[0022] The side of the vertical plate of the mounting plate 2 is provided with a guide strip 806, the upper surface of the base 1 is provided with a guide groove 807, one end of the horizontal moving plate 7 is slidably connected with the mounting plate 2, and the other end of the horizontal moving plate 7 is slidably connected in the guide groove 807, and when welding, the horizontal moving plate 7 is located at one side of the welding gun and does not affect the work of the laser welding machine 601;

[0023] The displacement driving mechanism 9 comprises an electric push rod 901, the electric push rod 901 is fixedly connected with the base 1 through a screw, and the telescopic end of the electric push rod 901 is fixed with the horizontal moving plate 7; the electric push rod 901 is started to move the horizontal moving plate 7 above the weld;

[0024] The welding mechanism 6 comprises the laser welding machine 601, the horizontal plate of the mounting plate 2 is provided with the electric sliding table 602, the bottom of the electric sliding table 602 is fixedly provided with the air cylinder 603, and the laser welding machine 601 is fixed at the telescopic end of the air cylinder 603; by arranging the electric sliding table 602, the welding path of the weld can start from one end to the other end, and after welding, the air cylinder 603 is reset for the next measurement;

[0025] The positioning mechanism 5 comprises a pressing plate 501, the upper surface of the positioning table 3 is fixedly provided with the pressing cylinder 502, the pressing plate 501 is fixed at the telescopic end of the pressing cylinder 502, the inner wall of the positioning table 3 is slidably connected with the U-shaped positioning plate 503 at both ends, one side of the positioning plate 503 is rotatably connected with the rotating rod 504, one end of the rotating rod 504 penetrates through the positioning table 3 and is threadedly connected with the positioning table 3, and the positioning table 3 is provided with the positioning scale 505; when the rotating rod 504 is screwed, the positioning plate 503 moves forward to limit the sheet metal plate;

[0026] In use, the two sheet metal plates that need to be welded at the splicing joint are respectively placed in the two positioning tables 3, the rotating rod 504 is screwed to move the positioning plate 503 inward until the side of the two positioning plates 503 is tightly attached to the two sides of the sheet metal plate to correct the skew of the sheet metal plate, at this time, the sheet metal plates are continuously pushed to align the splicing sides of the two sheet metal plates, the pressing cylinder 502 is started to press the sheet metal plates from above by the pressing plate 501, and at this time, the positioning of the two sheet metal plates is completed;

[0027] The welding mechanism 6 is started: the electric sliding table 602 is moved to make the welding gun of the laser welding machine 601 located at one end of the splicing joint, the air cylinder 603 is elongated, and the laser welding is started, and the splicing joint welding is completed in the process of moving the electric sliding table 602;

[0028] After the welding is completed, the laser welding machine 601 is reset by the air cylinder 603, and the weld height is measured under the premise that the positioning mechanism 5 still presses the sheet metal plate: the electric push rod 901 is started, the horizontal moving plate 7 is moved to the weld position in the middle of the base plate, the measuring cylinder 802 is started, and the measuring scale 801 is moved downward, it should be noted that the measuring scale 801 is provided with a pressure sensor, after the pressure sensor contacts the weld, the measuring cylinder 802 stops, at this time, the height scale 805 value corresponding to the pointer 803 is read, and the weld height measurement data is obtained.

[0029] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. Welding device with detection of thin sheet defects, comprising a base (1), characterized in that: The upper surface of the base (1) is fixed with an inverted L-shaped mounting plate (2), the both sides of the mounting plate (2) are respectively fixed with a thin plate rectangular frame-shaped positioning table (3), a welding backing plate (4) is arranged between the two positioning tables (3), a thin plate positioning mechanism (5) is arranged in the positioning table (3), a welding mechanism (6) is arranged below the horizontal plate of the mounting plate (2), a horizontal moving plate (7) is arranged on one side of the welding mechanism (6), a welding seam height measuring assembly (8) is mounted below the horizontal moving plate (7), and a horizontal moving plate (7) displacement driving mechanism (9) is mounted on the upper surface of the base (1).

2. The welding device with thin sheet defect detection of claim 1, wherein: The welding seam height measuring assembly (8) comprises a measuring scale (801), a measuring cylinder (802) is fixed on the upper surface of the horizontal moving plate (7) through a screw, and the measuring scale (801) is fixed at the telescopic end of the measuring cylinder (802) and is in sliding connection with the inner walls of the both sides of the horizontal moving plate (7).

3. The welding device with thin sheet defect detection of claim 2, wherein: The welding seam height measuring assembly (8) further comprises a T-shaped pointer (803), a through slot (804) is formed in one side of the horizontal moving plate (7), one end of the pointer (803) penetrates through the through slot (804) and is fixed with one end of the measuring scale (801), the horizontal end of the pointer (803) is located outside the horizontal moving plate (7), and a height scale (805) is arranged on one side of the horizontal moving plate (7).

4. The welding device with thin sheet defect detection of claim 3, wherein: A guide strip (806) is arranged on one side of the vertical plate of the mounting plate (2), a guide groove (807) is formed in the upper surface of the base (1), one end of the horizontal moving plate (7) is in sliding connection with the mounting plate (2), and the other end of the horizontal moving plate (7) is in sliding connection in the guide groove (807).

5. The welding device with thin sheet defect detection of claim 4, wherein: The displacement driving mechanism (9) comprises an electric push rod (901), the electric push rod (901) is fixedly connected with the base (1) through a screw, and the telescopic end of the electric push rod (901) is fixed with the horizontal moving plate (7).

6. The welding device with thin sheet defect detection of claim 5, wherein: The welding mechanism (6) comprises a laser welding machine (601), an electric sliding table (602) is mounted on the horizontal plate of the mounting plate (2), a pneumatic cylinder (603) is fixed at the bottom of the electric sliding table (602), and the laser welding machine (601) is fixed at the telescopic end of the pneumatic cylinder (603).

7. The welding device with thin sheet defect detection of claim 6, wherein: The positioning mechanism (5) comprises a pressing plate (501), a pressing cylinder (502) is fixed on the upper surface of the positioning table (3), the pressing plate (501) is fixed at the telescopic end of the pressing cylinder (502), and the both ends of the inner wall of the positioning table (3) are in sliding connection with a horizontal positioning plate (503), one side of the positioning plate (503) is rotatably connected with a rotating rod (504), one end of the rotating rod (504) penetrates through the positioning table (3) and is threadedly connected with the positioning table (3), and the positioning table (3) is provided with a positioning scale (505).

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