Welding gun rocking mechanism for welding device

Abstract

The utility model relates to a welding gun rocking mechanism for a welding device, and belongs to the technical field of welding. According to the technical scheme, the device comprises a rocking motor (501), a motor gear (502), a large gear (503), an installation block (509) and a welding gun frame (510), the installation block (509) is arranged on the welding gun frame (510), the motor gear (502) and the large gear (503) are installed on the installation block (509), the motor gear (502) is meshed with the large gear (503), and the motor gear (502) is connected with an output shaft of the rocking motor (501); a welding gun rod (504) is installed in the center of the large gear (503), and a bias tungsten electrode (505) is installed at the lower end of the welding gun rod (504). The utility model has the beneficial effects of compact structure, small volume, light weight and high motion precision, and can be used for welding in a narrow space, and the phenomena of a molten pool and an electric arc can be observed from two sides.

Description

TECHNICAL FIELD

[0001] The utility model relates to a welding gun shaking mechanism for welding device belongs to welding technical field. BACKGROUND

[0002] Welding gun shaking mechanism refers to in the welding process, through mechanical device makes welding gun reciprocating swing in the welding direction mechanism. The function and performance of this kind of mechanism directly influence welding quality and process feasibility, its purpose is mainly to realize the accurate control of welding gun posture, realize the arc in the groove according to the set frequency and swing swing, guarantee the dynamic stability of molten pool and the quality of weld forming. In the narrow space operation scene, the existing shaking mechanism generally exists the problems such as big volume and weight, poor stability precision, complex structure, inconvenient maintenance and maintenance, can not satisfy the application requirement of welding in the narrow welding operation space, can also observe the welding process. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a welding gun shaking mechanism for welding device, compact structure, small volume, light weight, high motion precision, can carry out welding in the narrow space, and observe molten pool and arc phenomenon from both sides, solve the above problems existing in the background art.

[0004] The technical scheme of the utility model is:

[0005] A welding gun shaking mechanism for welding device, containing shaking motor, motor gear, big gear, mounting block and welding gun frame, be equipped with mounting block on the welding gun frame, install motor gear and big gear on the mounting block, motor gear is engaged with big gear, and the output shaft of motor gear is connected with shaking motor;Big gear center installs welding gun rod, and bias tungsten electrode is installed at the lower end of welding gun rod;Shaking motor drives motor gear to rotate, and motor gear drives big gear and welding gun rod to rotate, finally drives bias tungsten electrode to rotate, to realize welding arc swing in the groove.

[0006] Reflecting mirror piece is installed at the both sides of welding gun rod respectively, camera is installed at the both ends of welding gun rod respectively, and arc and molten pool image pass reflecting mirror piece along the light path and enter camera, to observe and monitor the welding process. The light path is the route formed by bias tungsten electrode to reflecting mirror piece and then to camera.

[0007] Nozzle is arranged between the both sides of welding gun rod and corresponding reflecting mirror piece respectively, and nozzle is installed on mounting block, nozzle passes through shielding gas, and shields arc and molten pool in the welding process.

[0008] Lens holder is arranged at the both sides of welding gun rod respectively, and lens holder is installed on welding gun frame, and reflecting mirror piece is installed at the lower end of lens holder.

[0009] The welding gun frame is arranged on the welding trolley through a lifting device.

[0010] The nozzle is externally provided with a secondary shield.

[0011] The lifting device, the rocking motor, the secondary shield and the camera are all commonly used devices in the field.

[0012] The welding device has the advantages of compact structure, small size, light weight, high motion precision, welding in a narrow space and observation of the molten pool and arc phenomenon from two sides. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a use state schematic view of the welding device;

[0014] Fig. 2 It is a structure schematic view of the welding device;

[0015] Fig. 3 It is a camera light path schematic view of the welding device;

[0016] In the figure: welding trolley 1, lifting device 4, the welding device 5, rocking motor 501, motor gear 502, large gear 503, welding gun rod 504, offset tungsten electrode 505, nozzle 506, mirror 507, mirror support 508, mounting block 509, welding gun frame 510, welding gun assembly 6, secondary shield 8, camera 9. DETAILED DESCRIPTION

[0017] The welding device will be further described through examples in combination with the drawings.

[0018] A welding gun rocking mechanism for a welding device, comprising a rocking motor 501, a motor gear 502, a large gear 503, a mounting block 509 and a welding gun frame 510, the welding gun frame 510 is provided with the mounting block 509, the motor gear 502 and the large gear 503 are mounted on the mounting block 509, the motor gear 502 is engaged with the large gear 503, and the motor gear 502 is connected with the output shaft of the rocking motor 501; the large gear 503 is centrally provided with the welding gun rod 504, and the offset tungsten electrode 505 is mounted at the lower end of the welding gun rod 504; the rocking motor 501 drives the motor gear 502 to rotate, the motor gear 502 drives the large gear 503 and the welding gun rod 504 to rotate, and finally drives the offset tungsten electrode 505 to rotate, so as to realize rocking of the welding arc in the groove.

[0019] The mirror 507 is mounted on both sides of the welding gun rod 504, and the camera 9 is mounted at both ends of the welding gun rod 504, the arc and molten pool images enter the camera 9 along the light path of the welding device through the mirror 507, so as to observe and monitor the welding process.

[0020] The welding torch rod 504 is provided with a nozzle 506 on each side of the welding torch rod 504, and the nozzle 506 is installed on the mounting block 509.

[0021] The welding torch rod 504 is provided with a mirror holder 508 on each side of the welding torch rod 504, and the mirror holder 508 is installed on the welding torch holder 510.

[0022] The welding torch holder 510 is arranged on the welding trolley 1 through the lifting device 4.

[0023] The nozzle 506 is provided with a secondary shield 8 outside the nozzle 506.

[0024] In the embodiment, the accompanying drawings are referred to Figs. 1-3 The welding torch holder 510 is provided with a mounting block 509, the mounting block 509 is provided with a motor gear 502 and a large gear 503, the motor gear 502 is engaged with the large gear 503, the motor gear 502 is installed on a rocking motor 501, the large gear 503 is installed on a welding torch rod 504 in the center of the large gear 503, the welding torch rod 504 is installed on a bias tungsten electrode 505 at the lower end of the welding torch rod 504, the welding torch rod 504 is provided with a nozzle 506 on each side of the welding torch rod 504, the nozzle 506 is installed on the mounting block 509, the nozzle 506 is used for protecting the welding arc and the molten pool by passing the protection welding gas, the mirror holder 508 is installed on the welding torch holder 510 outside the two nozzles 506, the mirror holder 508 is installed on a reflecting mirror 507 at the lower end of the mirror holder 508, the welding torch holder 510 is provided with a camera 9 at each end of the welding torch holder 510, during the welding, the rocking motor 501 drives the motor gear 502 to rotate according to the set parameters, and then drives the large gear 503 and the welding torch rod 504 to rotate, finally drives the bias tungsten electrode 505 to rotate, and realizes the rocking of the welding arc in the groove, the protection welding gas is discharged through the nozzle 506, and the welding arc and the molten pool are protected, the images of the arc and the molten pool are entered into the camera 9 along the light path of the utility model through the reflecting mirror 507, and thus the welding process is observed and monitored.

[0025] The utility model discloses a compact structure, small volume, light weight, high motion precision, and can observe the molten pool and arc phenomenon from both sides, and is suitable for welding in narrow space.

Claims

1. A welding gun shake mechanism for a welding device, characterized by: It comprises a shaking motor (501), a motor gear (502), a large gear (503), a mounting block (509) and a welding gun holder (510), the welding gun holder (510) is provided with the mounting block (509), the motor gear (502) and the large gear (503) are mounted on the mounting block (509), the motor gear (502) is engaged with the large gear (503), and the motor gear (502) is connected with the output shaft of the shaking motor (501); the large gear (503) is provided with a welding gun rod (504) at the center, and the welding gun rod (504) is provided with a biased tungsten electrode (505) at the lower end.

2. A torch oscillation mechanism for a welding apparatus as defined in claim 1, wherein: The welding gun rod (504) is provided with a mirror (507) at each side, and a camera (9) is mounted at each end of the welding gun rod (504), and the arc and molten pool image enters the camera (9) along the light path through the mirror (507).

3. A torch oscillation mechanism for a welding apparatus as defined in claim 2, wherein: The welding gun rod (504) is provided with a nozzle (506) between each side and the corresponding mirror (507), the nozzle (506) is mounted on the mounting block (509), and the nozzle (506) is provided with a protective welding gas.

4. A torch oscillation mechanism for a welding apparatus as defined in claim 3, wherein: The welding gun rod (504) is provided with a mirror support (508) at each side, the mirror support (508) is mounted on the welding gun holder (510), and the mirror support (508) is provided with the mirror (507) at the lower end.

5. A torch oscillation mechanism for a welding apparatus as defined in claim 1 or 2, wherein: The welding gun holder (510) is arranged on the welding trolley (1) through a lifting device (4).

6. A torch oscillation mechanism for a welding apparatus as defined in claim 3, wherein: The nozzle (506) is provided with a secondary shield (8) outside.

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