Angle adjusting device of welding gun

Abstract

The invention discloses an angle adjusting device of a welding gun, which relates to the technical field of welding equipment and comprises a driving mechanism, a synchronous pulley, a welding gun pipe, a welding gun rod and a gooseneck welding gun, the synchronous pulley comprises a first synchronous gear, a second synchronous gear and a synchronous belt, the gooseneck welding gun comprises a welding gun body, a gun neck assembly and a welding gun head, the gun neck assembly is arranged between the welding gun body and the welding gun head, one end of the gun neck assembly is connected with the welding gun body, and the other end of the gun neck assembly is connected with the welding gun head; a power output shaft of the driving mechanism is connected with the first synchronous gear, the power input end of the welding gun pipe is connected with the second synchronous gear, and the power output end of the welding gun pipe is connected with the end, away from the gun neck assembly, of the welding gun body. According to the gooseneck welding gun, free deviation of the angle of the welding gun can be adjusted on line under arc-shaped rotation of the welding gun rod, movement of the welding gun in the maximum range is achieved, the application range and the application space range are greatly widened, and the working efficiency is improved.

Description

Technical Field

[0001] The present application relates to the technical field of welding equipment, and in particular to an angle adjustment device for a welding gun. Background Art

[0002] The mining chute transfer machine is a conveying equipment for transporting coal underground in coal mines. The material trough of the transfer machine is one level wider than the working face conveyor, and there are baffles on both sides. The trough body of this mining chute transfer machine is made of steel plates. The welding process is labor-intensive, the weld quality is unstable, the appearance consistency is poor, and the production efficiency is low. Especially the welds, due to the narrow space and the lack of special welding adjustment equipment, manual welding has been used. Moreover, only a part of the welds between the bottom plate and the middle plate, and between the middle plate and the trough edge can be welded, which makes welding difficult.

[0003] In the related art, a gooseneck welding gun is provided for welding in the narrow space of the middle trough to realize the welding of the weld in the narrow space of the trough scraper transfer machine casing. However, this welding device has the problem of limited rotation angle of the gooseneck welding gun, and it is difficult to quickly change the welding gun angle, resulting in low welding efficiency. Summary of the invention

[0004] The present application aims to solve at least one of the technical problems existing in the prior art. To this end, the present application proposes an angle adjustment device for a welding gun, which can realize online adjustment of the free offset of the welding gun angle under the arc rotation of the welding gun rod, realize the movement of the welding gun within the maximum range, greatly enhance the scope of application and the scope of applicable space, and improve work efficiency.

[0005] The present application provides a welding gun angle adjustment device, comprising: a driving mechanism, a synchronous pulley, a welding gun tube, a welding gun rod and a gooseneck welding gun;

[0006] The synchronous pulley includes a first synchronous gear, a second synchronous gear and a synchronous belt, the gooseneck welding gun includes a welding gun body, a gun neck assembly and a welding gun head, the gun neck assembly is arranged between the welding gun body and the welding gun head, one end of the gun neck assembly is connected to the welding gun body, and the other end of the gun neck assembly is connected to the welding gun head;

[0007] The power output shaft of the driving mechanism is connected to the first synchronous gear, the first synchronous gear and the second synchronous gear are connected via the synchronous belt, the welding gun tube is arranged inside the welding gun tube, the power input end of the welding gun tube is connected to the second synchronous gear, and the power output end of the welding gun tube is connected to an end of the welding gun body away from the gun neck assembly;

[0008] The driving mechanism is used to drive the welding gun rod in the welding gun tube to reciprocate through the synchronous pulley, and the welding gun rod is used to drive the welding gun head to move in an arc shape through the welding gun body and the gun neck assembly to obtain a swinging welding arc.

[0009] According to some embodiments of the present application, the welding gun body includes a copper sleeve and an insulating seat, one end of the copper sleeve is connected to the welding gun rod, the other end of the copper sleeve is provided with a thread inside, one end of the insulating seat is threadedly connected to the other end of the copper sleeve, and the other end of the insulating seat is connected to the gun neck assembly.

[0010] According to some embodiments of the present application, the gun neck assembly includes a conductive nozzle, a connecting piece, a gun neck and a gun neck protective cover, the two ends of the conductive nozzle are respectively connected to the insulating seat and the connecting piece, the end of the connecting piece away from the conductive nozzle is connected to one end of the gun neck, the other end of the gun neck is connected to the welding gun head, and the gun neck protective cover is mounted on the gun neck.

[0011] According to some embodiments of the present application, an air outlet is provided at one end of the connector close to the conductive nozzle, a thread is provided inside the other end of the connector, and the connector is threadedly connected to the gun neck.

[0012] According to some embodiments of the present application, the welding gun head includes a nozzle joint and a nozzle, one end of the nozzle joint is connected to an end of the gun neck away from the connecting piece, and the other end of the nozzle joint is connected to the nozzle.

[0013] According to some embodiments of the present application, the gun neck includes a first bent pipe, an inclined pipe, and a second bent pipe, one end of the first bent pipe is threadedly connected to the connecting piece, the other end of the first bent pipe is connected to one end of the inclined pipe, the other end of the inclined pipe is connected to one end of the second bent pipe, and the other end of the second bent pipe is connected to the gun nozzle joint.

[0014] According to some embodiments of the present application, the gun neck protective sleeve is a rubber insulating sleeve.

[0015] According to some embodiments of the present application, the angle adjustment device of the welding gun further includes a mounting frame, the driving mechanism and the welding gun tube are both connected to the bottom of the mounting frame, and the welding gun tube and the driving mechanism are arranged side by side and spaced apart.

[0016] According to some embodiments of the present application, the mounting frame includes a mounting base plate, a connecting plate and an inclined support plate, one side of the connecting plate is respectively connected to the driving mechanism and the welding gun barrel, the side of the connecting plate facing away from the driving mechanism is connected to the bottom of the mounting base plate, and the inclined support plate is connected to the side of the mounting base plate.

[0017] The beneficial effects of the present application are embodied in that the driving mechanism is used to drive the welding gun rod in the welding gun tube to rotate back and forth through the synchronous pulley, and the welding gun rod is used to drive the welding gun head to move in an arc through the welding gun body and the gun neck assembly to obtain a swinging welding arc. The design of this rotating mechanism enables the gooseneck welding gun to rotate within a certain range to meet the welding needs of various working conditions, and the structure is reasonable and compact, easy to use, and on the basis of fully saving space, the gooseneck welding gun can be moved within the maximum range, which greatly enhances the scope of application and the scope of applicable space. The gooseneck welding gun in the present application can realize the free offset of the welding gun angle online under the arc rotation of the welding gun rod, which realizes the movement of the welding gun within the maximum range, greatly enhances the scope of application and the scope of applicable space, and improves work efficiency.

[0018] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0020] Figure 1 A schematic diagram of a front plan view of an angle adjustment device for a welding gun provided in an embodiment of the present application;

[0021] Figure 2 A schematic front view of an angle adjustment device for a welding gun provided in an embodiment of the present application;

[0022] Figure 3 A schematic diagram of a top view of the back side of an angle adjustment device for a welding gun provided in an embodiment of the present application;

[0023] Figure 4 A schematic lateral view of an angle adjustment device for a welding gun provided in an embodiment of the present application;

[0024] Figure 5 A schematic diagram of a right side view of an angle adjustment device for a welding gun provided in an embodiment of the present application;

[0025] Figure 6 A schematic diagram of the structure of a gooseneck welding gun provided in an embodiment of the present application;

[0026] Figure 7 An exploded schematic diagram of a gooseneck welding gun provided in an embodiment of the present application.

[0027] Reference numerals:

[0028] Driving mechanism 100, synchronous pulley 110, first synchronous gear 111, synchronous belt 112, second synchronous gear 113;

[0029] Welding gun tube 210, welding gun rod 220;

[0030] Gooseneck welding gun 300, welding gun body 310, copper sleeve seat 311, insulating seat 312, gun neck assembly 320, conductive nozzle 321, connecting piece 322, gun neck 323, first elbow 3231, inclined tube 3232, second elbow 3233, welding gun head 330, gun nozzle joint 331, gun nozzle 332;

[0031] The mounting frame 400 , the mounting base plate 410 , the connecting plate 420 , and the oblique supporting plate 430 . DETAILED DESCRIPTION

[0032] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0033] In the description of the present application, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0034] In the description of this application, if there is a description of first or second, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0035] In the description of this application, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the technical field can reasonably determine the specific meanings of the above terms in this application based on the specific content of the technical solution.

[0036] The mining chute transfer machine is a conveying equipment for transporting coal underground in coal mines. The material trough of the transfer machine is one level wider than the working face conveyor, and there are baffles on both sides. The trough body of this mining chute transfer machine is made of steel plates. The welding process is labor-intensive, the weld quality is unstable, the appearance consistency is poor, and the production efficiency is low. Especially the welds, due to the narrow space and the lack of special welding adjustment equipment, manual welding has been used. Moreover, only a part of the welds between the bottom plate and the middle plate, and between the middle plate and the trough edge can be welded, which makes welding difficult.

[0037] In the related art, a gooseneck welding gun is provided for welding in the narrow space of the middle trough to realize the welding of the weld in the narrow space of the trough scraper transfer machine casing. However, this welding device has the problem of limited rotation angle of the gooseneck welding gun, and it is difficult to quickly change the welding gun angle, resulting in low welding efficiency.

[0038] In order to solve the above-mentioned problem, the present application proposes an angle adjustment device for a welding gun. The embodiments of the present application are further described below in conjunction with the accompanying drawings.

[0039] Reference Figures 1 to 6 The present application provides an angle adjustment device for a welding gun, comprising a driving mechanism 100, a synchronous pulley 110, a welding gun tube 210, a welding gun rod 220 and a gooseneck welding gun 300; the synchronous pulley 110 comprises a first synchronous gear 111, a second synchronous gear 113 and a synchronous belt 112; the gooseneck welding gun 300 comprises a welding gun body 310, a gun neck assembly 320 and a welding gun head 330; the gun neck assembly 320 is arranged between the welding gun body 310 and the welding gun head 330, one end of the gun neck assembly 320 is connected to the welding gun body 310, and the other end of the gun neck assembly 320 is connected to the welding gun head 330; the power output shaft of the driving mechanism 100 is connected to the The first synchronous gear 111 is connected, and the first synchronous gear 111 is connected to the second synchronous gear 113 through a synchronous belt 112. The welding gun tube 210 is arranged inside the welding gun tube 210, and the power input end of the welding gun tube 210 is connected to the second synchronous gear 113, and the power output end of the welding gun tube 210 is connected to an end of the welding gun body 310 away from the gun neck assembly 320; the driving mechanism 100 is used to drive the welding gun rod 220 in the welding gun tube 210 to reciprocate through the synchronous belt pulley 110, and the welding gun rod 220 is used to drive the welding gun head 330 to move in an arc through the welding gun body 310 and the gun neck assembly 320 to obtain a swinging welding arc.

[0040] In this embodiment, the driving mechanism 100 is a rotary servo motor, which drives the first synchronous gear 111 to rotate, thereby driving the second synchronous gear 113 to rotate through the synchronous belt 112, and the second synchronous gear 113 then drives the gooseneck welding gun 300 to reciprocate through the welding gun rod 220.

[0041] In the present application, the driving mechanism 100 is used to drive the welding gun rod 220 in the welding gun tube 210 to reciprocate through the synchronous pulley 110. The welding gun rod 220 is used to drive the welding gun head 330 to move in an arc through the welding gun body 310 and the gun neck assembly 320 to obtain a swinging welding arc. The design of this rotating mechanism allows the gooseneck welding gun 300 to rotate within a certain range to meet the welding needs of various working conditions. The structure is reasonable and compact, and it is easy to use. On the basis of fully saving space, the gooseneck welding gun 300 is realized to move within the maximum range, which greatly enhances the scope of application and the scope of applicable space. The gooseneck welding gun 300 in the present application can realize the free deviation of the welding gun angle online under the arc rotation of the welding gun rod 220, realizes the movement of the welding gun within the maximum range, greatly enhances the scope of application and the scope of applicable space, and improves work efficiency.

[0042] Reference Figure 7 It can be understood that the welding gun body 310 includes a copper sleeve seat 311 and an insulating seat 312, one end of the copper sleeve seat 311 is connected to the welding gun rod 220, the other end of the copper sleeve seat 311 is internally provided with a thread, one end of the insulating seat 312 is threadedly connected to the other end of the copper sleeve seat 311, and the other end of the insulating seat 312 is connected to the gun neck assembly 320.

[0043] It should be noted that the stability of the connection is improved by providing a copper sleeve seat 311 in the gooseneck welding gun 300 as a protective support sleeve to provide more solid support, thereby ensuring the stability and safety of the connection, and also improving the durability and pressure resistance of the connection, thereby extending the service life of the gooseneck welding gun 300.

[0044] Reference Figure 7 It can be understood that the gun neck assembly 320 includes a conductive nozzle 321, a connector 322, a gun neck 323 and a gun neck protective sleeve. The two ends of the conductive nozzle 321 are respectively connected to the insulating seat 312 and the connector 322. The end of the connector 322 away from the conductive nozzle 321 is connected to one end of the gun neck 323. The other end of the gun neck 323 is connected to the welding gun head 330. The gun neck protective sleeve is mounted on the gun neck 323.

[0045] In this embodiment, the conductive tip 321 is made of wear-resistant copper alloy to increase the service life of the conductive tip 321 .

[0046] It is understandable that an air outlet is provided at one end of the connecting piece 322 close to the conductive nozzle 321 , and a thread is provided inside the other end of the connecting piece 322 , and the connecting piece 322 is threadedly connected to the gun neck 323 .

[0047] Reference Figure 6 to Figure 7It can be understood that the welding gun head 330 includes a nozzle joint 331 and a nozzle 332 , one end of the nozzle joint 331 is connected to an end of the gun neck 323 away from the connecting piece 322 , and the other end of the nozzle joint 331 is connected to the nozzle 332 .

[0048] In some embodiments, when the gooseneck welding gun 300 is used, the welding wire is first placed in the welding gun. When the trigger of the welding gun is pressed, the power supply transmits current to the electrode end of the welding gun. Through the high temperature of the arc, the welding wire in the welding gun begins to melt, and the molten welding wire will be sprayed onto the workpiece under the action of the arc. A nozzle and an arc protection cover are provided to stabilize the arc and protect the welding wire; the gun nozzle 332 can generate a higher airflow speed, keep the arc stable and prevent oxygen from entering the welding area. When the gun nozzle 332 just extends to the weld position, the gun nozzle 332 can form a 30° to 90° welding angle with the weldment.

[0049] In some embodiments, the nozzle 332 is a variable diameter nozzle to achieve welding in narrow gaps.

[0050] Reference Figure 7 It can be understood that the gun neck 323 includes a first bend pipe 3231, an inclined pipe 3232 and a second bend pipe 3233, one end of the first bend pipe 3231 is threadedly connected to the connecting piece 322, the other end of the first bend pipe 3231 is connected to one end of the inclined pipe 3232, the other end of the inclined pipe 3232 is connected to one end of the second bend pipe 3233, and the other end of the second bend pipe 3233 is connected to the gun nozzle joint 331.

[0051] In this embodiment, an upper bend angle of 125° is formed between the connecting piece 322 and the inclined tube 3232 by setting the first bend tube 3231, and a lower bend angle of 135° is formed between the inclined tube 3232 and the welding gun head 330 by setting the second bend tube 3233; in some embodiments, other suitable upper and lower bend angles may also be set, without being limited to the embodiments of the present application.

[0052] It can be understood that the gun neck protective sleeve is a rubber insulating sleeve.

[0053] It should be noted that the rubber insulating sleeve can provide a strong protection for the gun neck 323, reduce the problems of wear and tear, cuts, etc. of the gun neck 323 during use, and extend the service life of the gun neck 323.

[0054] Reference Figures 1 to 5 It can be understood that the angle adjustment device of the welding gun also includes a mounting frame 400, the driving mechanism 100 and the welding gun tube 210 are both connected to the bottom of the mounting frame 400, and the welding gun tube 210 and the driving mechanism 100 are arranged side by side and spaced apart.

[0055] Reference Figures 1 to 5It can be understood that the mounting frame 400 includes a mounting base plate 410, a connecting plate 420 and an inclined support plate 430, one side of the connecting plate 420 is respectively connected to the driving mechanism 100 and the welding gun barrel 210, the side of the connecting plate 420 facing away from the driving mechanism 100 is connected to the bottom of the mounting base plate 410, and the inclined support plate 430 is connected to the side of the mounting base plate 410.

[0056] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0057] The above is a preferred embodiment of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application. These improvements and modifications are also considered to be within the scope of protection of the present application.

[0058] Although the embodiments of the present application have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the claims and their equivalents.

Claims

1. An angle adjustment device for a welding gun, characterized in that: include: Drive mechanism, synchronous pulley, welding gun barrel, welding gun rod and gooseneck welding gun; The synchronous pulley includes a first synchronous gear, a second synchronous gear and a synchronous belt, the gooseneck welding gun includes a welding gun body, a gun neck assembly and a welding gun head, the gun neck assembly is arranged between the welding gun body and the welding gun head, one end of the gun neck assembly is connected to the welding gun body, and the other end of the gun neck assembly is connected to the welding gun head; The power output shaft of the driving mechanism is connected to the first synchronous gear, the first synchronous gear and the second synchronous gear are connected via the synchronous belt, the welding gun tube is arranged inside the welding gun tube, the power input end of the welding gun tube is connected to the second synchronous gear, and the power output end of the welding gun tube is connected to an end of the welding gun body away from the gun neck assembly; The driving mechanism is used to drive the welding gun rod in the welding gun tube to reciprocate through the synchronous pulley, and the welding gun rod is used to drive the welding gun head to move in an arc shape through the welding gun body and the gun neck assembly to obtain a swinging welding arc.

2. The angle adjustment device of the welding gun according to claim 1, characterized in that: The welding gun body includes a copper sleeve and an insulating seat, one end of the copper sleeve is connected to the welding gun rod, the other end of the copper sleeve is provided with a thread inside, one end of the insulating seat is threadedly connected to the other end of the copper sleeve, and the other end of the insulating seat is connected to the gun neck assembly.

3. The angle adjustment device of the welding gun according to claim 2, characterized in that: The gun neck assembly includes a conductive nozzle, a connector, a gun neck and a gun neck protective sleeve. The two ends of the conductive nozzle are respectively connected to the insulating seat and the connector. One end of the connector away from the conductive nozzle is connected to one end of the gun neck, and the other end of the gun neck is connected to the welding gun head. The gun neck protective sleeve is sleeved on the gun neck.

4. The angle adjustment device of the welding gun according to claim 3, characterized in that: An air outlet is provided at one end of the connecting piece close to the conductive nozzle, and a thread is provided inside the other end of the connecting piece, and the connecting piece is threadedly connected to the gun neck.

5. The angle adjustment device of the welding gun according to claim 3, characterized in that: The welding gun head comprises a nozzle joint and a nozzle, one end of the nozzle joint is connected to an end of the gun neck away from the connecting piece, and the other end of the nozzle joint is connected to the nozzle.

6. The angle adjustment device of the welding gun according to claim 3, characterized in that: The gun neck includes a first curved pipe, an inclined pipe and a second curved pipe, one end of the first curved pipe is threadedly connected to the connecting piece, the other end of the first curved pipe is connected to one end of the inclined pipe, the other end of the inclined pipe is connected to one end of the second curved pipe, and the other end of the second curved pipe is connected to the gun nozzle joint.

7. The angle adjustment device for a welding gun according to claim 3, characterized in that: The gun neck protective sleeve is a rubber insulating sleeve.

8. The angle adjustment device for a welding gun according to claim 1, characterized in that: The welding gun angle adjustment device further comprises a mounting frame, the driving mechanism and the welding gun tube are both connected to the bottom of the mounting frame, and the welding gun tube and the driving mechanism are arranged side by side and spaced apart.

9. The angle adjustment device for a welding gun according to claim 8, characterized in that: The mounting frame includes a mounting base, a connecting plate and an inclined support plate, one side of the connecting plate is respectively connected to the driving mechanism and the welding gun tube, the side of the connecting plate facing away from the driving mechanism is connected to the bottom of the mounting base, and the inclined support plate is connected to the side of the mounting base.

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