CN220427101U - Electric welding equipment with auxiliary positioning electric welding gun - Google Patents

Abstract

The utility model relates to a field of electric welding technique especially relates to an electric welding equipment with assistance-localization real-time electric welding gun, and it includes electric welding machine, electric welding gun and electric welding subassembly, electric welding gun includes body of a gun and handle, handle fixed connection in the body of a gun, electric welding subassembly includes slide bar and two dead levers, every the one end of dead lever with the slide bar can dismantle the connection, the other end of dead lever is provided with and waits that the magnetism of electric welding piece looks is inhaled mutually with the external magnetism and inhale the piece, slide bar sliding connection has sliding component, the one end of handle connect in sliding component. The electric welding gun can slide along the length direction of the sliding rod under the driving of the sliding component, the problem of inaccurate welding caused by error of the displacement of the electric welding gun in the welding process is reduced, the magnetic attraction piece at one end of the fixing rod can magnetically attract the internal corner of the metal plate to be welded, the effect of reinforcing the positioning of the metal plate to be welded is achieved, and the accuracy and convenience of internal corner welding can be improved.

Description

Electric welding equipment with auxiliary positioning electric welding gun

Technical Field

The application relates to the field of electric welding devices, in particular to electric welding equipment with auxiliary positioning electric welding guns.

Background

An electric welding machine is a device for welding metal materials by converting electric energy into heat energy, and particularly, converting an alternating current power supply or a direct current power supply into high-frequency current to generate high-temperature electric arcs, so that welding flux is melted and applied to a required welding position to form a welding seam. In the welding process, an operator needs to add welding materials such as welding wires or welding rods into a welding gun to fill welding seams and form welding, and after the welding is finished, the welding materials at the welding positions are solidified to form firm welding seams.

The internal corner welding is to weld the internal angle or concave part of two metal plates, compared with other welding modes, the internal corner welding can lead the welding position to be more attractive, can not expose excessive welding seams, reduces the damage condition of the exposed welding seams caused by external influences, and simultaneously is also helpful for improving the welding strength and the sealing property, but in the internal corner welding process, an operator holds a welding gun to apply the welding position of two workpieces to be welded, the problem of welding error is easy to occur, such as when the welding position is a longer linear welding seam, the problem that the welding flux is not accurately applied to the linear welding seam by hands is easy to occur when the welding position is a longer linear welding seam, and partial welding flux is applied beside the welding seam, so that the welding flux in the welding seam is lost, the connection strength of the welding position is reduced, and an extra cleaning procedure is needed to clean the welding flux beside the welding seam, thereby reducing the welding effect.

Disclosure of Invention

In order to improve reentrant corner welded precision and convenience, this application provides an electric welding equipment with assistance-localization real-time electric welding torch.

The application provides an electric welding equipment with assistance-localization real-time electric welding gun adopts following technical scheme:

the utility model provides an electric welding equipment with assistance-localization real-time electric welding gun, includes electric welding machine, electric welding gun and electric welding subassembly, electric welding gun includes body of a gun and handle, handle fixed connection in the body of a gun, electric welding subassembly includes slide bar and two dead levers, every the one end of dead lever with the slide bar can dismantle the connection, the other end of dead lever is provided with and waits that the electric welding piece looks magnetism is inhaled with the external world and inhale the piece, slide bar sliding connection has the sliding component, the one end of handle connect in the sliding component.

Through adopting above-mentioned technical scheme, the one end sliding connection of handle is in the slip subassembly for electric welder can slide along the length direction of slide bar, can play electric welder steady movement's effect, ensure that electric welder can not take place the condition such as displacement or rocking in the welding process, reduce in the welding process electric welder displacement mistake and cause the inaccurate problem of welding, improve welded precision, convenience and stability, be applicable to the internal angle structure of welding linear type; on the other hand, the fixed lever is detachably connected with the sliding rod, so that when the electric welding component is not used, the fixed lever and the sliding rod can be disassembled and assembled, the storage is facilitated, the magnetic attraction piece at one end of the fixed lever can magnetically attract the internal corner of the metal plate to be welded, the effect of reinforcing the positioning of the metal plate to be welded is achieved, the connection stability of the electric welding component and the metal plate to be welded is further improved, meanwhile, the displacement and deformation of the workpiece to be welded in the welding process can be effectively avoided, the accurate alignment of the welding gun to the welding region to be welded is ensured, and the welding flux is slidingly applied, so that the error in the welding process is reduced, and the welding quality and the accuracy are improved.

Optionally, one side of the magnetic attraction piece is provided with a convex strip, one end of the fixed rod, which is far away from the sliding rod, is concavely provided with a groove, and the convex strip is slidably clamped in the groove.

By adopting the technical proposal, the convex strips are slidably clamped in the grooves, the magnetic attraction piece can be stably connected with one end of the fixed rod far away from the sliding rod in a sliding way,

optionally, the slip subassembly includes head rod, second connecting rod, third connecting rod and first sliding block, first sliding block sliding connection is in the sliding rod, the one end fixed connection of head rod is in first sliding block, and the other end of head rod rotates to be connected in the one end of second connecting rod, the other end of second connecting rod rotate connect in the one end of third connecting rod, the other end fixed connection of third connecting rod is in the one end that the rifle body was kept away from to the handle.

Through adopting above-mentioned technical scheme, first sliding block sliding connection in the slide bar, can drive electric welder along the length direction removal of slide bar, the other end of head rod and the one end rotation of second connecting rod are connected, make the second connecting rod rotatable for the head rod, likewise, the other end of second connecting rod is rotated with the one end of third connecting rod and is connected, make the third connecting rod rotatable for the second connecting rod, thereby it rotates to drive the electric welder who is connected in the third connecting rod other end, can widen electric welder's rotation direction scope, be convenient for weld location more accurate and stable, electric welder's position and direction that the electric welder can be controlled more easily, thereby improve welded quality and efficiency.

Optionally, the slip subassembly includes universal ball axle piece, ball axle connecting rod and first sliding block, first sliding block sliding connection is in the sliding rod, universal ball axle piece's stiff end fixed connection is in first sliding block, universal ball axle piece's expansion end fixed connection is in the one end that the handle kept away from the rifle body.

Through adopting above-mentioned technical scheme, first sliding block sliding connection in the slide bar can drive electric welder and remove along the length direction of slide bar, and the spherical structure of universal ball axle piece can make electric welder have broader angular adjustment flexibility and degree of freedom when the motion, improves welder's location precision to make the welding more accurate and high-efficient.

Optionally, the electric welding gun further comprises a tungsten needle clamp, a flow guiding piece, a nozzle, a welding tail and a switch button, wherein the tungsten needle clamp penetrates through and is arranged in the gun body, the welding tail is connected to the tail end of the gun body, one end of the flow guiding piece is connected with the head end of the gun body, the other end of the flow guiding piece is connected with the nozzle, the flow guiding piece is communicated with the tungsten needle clamp, and the switch button is arranged on the handle.

Through adopting above-mentioned technical scheme, the nozzle is the discharge gate of tungsten needle in the welding process, and the tungsten needle passes the nozzle promptly, can with wait to weld the work piece butt, and the welding tail is the feed inlet of placing like solder such as tungsten needle in the welding process to press from both sides solder such as tungsten needle tight through tungsten needle clamp, make tungsten needle can aim at wait to weld the department accurately and weld, shift knob can be used for controlling the switch of soldered connection, makes things convenient for the operation of weldment work.

Specifically, when the electric welding gun is assembled, the guide piece is connected with the head end of the gun body in a threaded mode, the nozzle is connected with the other end of the guide piece in a threaded mode, the tungsten needle clamp is inserted from one end, far away from the guide piece, of the gun body, the external tungsten needle is inserted into the tungsten needle clamp, and finally the welding tail is connected with one end, far away from the guide piece, of the gun body in a threaded mode.

Optionally, a control panel is provided on one side of the welding machine, and the control panel is provided with a power adjusting knob, an electric welding adjusting knob for controlling the opening and closing of the welding gun, and a moving button for controlling the sliding assembly to operate.

Through adopting above-mentioned technical scheme, power adjust knob can be used for controlling the output of electric welding machine to adapt to different welding tasks and materials, control electric welding torch's electric welding adjust knob can be used for controlling electric welding torch's switching, and auxiliary welding current and the welding voltage that provide or break off required, the displacement of removal button control slip subassembly is convenient for treat the welding work piece accurately and fix a position and weld, plays the effect of improvement weld quality and improvement welding efficiency, thereby realizes more accurate welding effect.

Optionally, one end of the handle far away from the gun body is connected with an electric welding cable, and the other end of the electric welding cable is connected with an output interface of the electric welding machine.

By adopting the technical scheme, in the welding process, the electric welding cable transmits current to the electric welding gun, an electric arc is generated between the tungsten needle and the workpiece, the tungsten needle is melted and filled into the internal corner of the workpiece to be welded under the action of arc heat, and the melted tungsten needle material is solidified to form a welding seam, so that the connection of the two workpieces to be welded is completed.

Optionally, the bottom of electric welding is provided with the pulley, one side of electric welding is provided with gas cylinder place the platform, gas cylinder place the platform and include bottom plate, fixed plate and a plurality of curb plate, every the curb plate perpendicular to the bottom plate, the curb plate with the bottom plate all perpendicular to one side of electric welding.

Through adopting above-mentioned technical scheme, the pulley can be convenient for the operation personnel remove the electric welding in the during operation conveniently, improves the efficiency of work, and gas cylinder platform can be used for placing the gas cylinder that loads the shielding gas, has higher bearing capacity and stability, can hold the gas cylinder of multiple different grade type, places the gas cylinder on gas cylinder platform, can remove along with the removal of electric welding in the lump, can conveniently carry out the real-time supply of shielding gas in the welding process, plays the effect that improves welding work efficiency.

Optionally, the electric welding machine is connected with a water cooler.

By adopting the technical scheme, the water cooler can ensure long-time stable work of the electric welding machine, and can effectively reduce the heat generated by the electric welding machine in the welding process, thereby protecting the electric welding machine from being influenced by overheating. The water cooler is of an existing structure, and comprises parts such as a water pump, a radiator, a water tank and the like, the water pump can introduce water circulation into the radiator to radiate heat, the water tank can store cooling water, the normal operation of the water cooler is guaranteed, and through the mode, the electric welding machine can maintain a high-efficiency stable working state for a long time, and welding efficiency and welding quality are improved.

Optionally, a cooling fan and a cooling air port are arranged on one side of the electric welding machine far away from the control panel.

Through adopting above-mentioned technical scheme, radiator fan and heat dissipation wind gap can be used for giving off the heat that produces in the welding process, and specifically, radiator fan can blow in the inside of electric welding with cold air, and the heat dissipation wind gap outwards gives off the hot air in the electric welding, and radiator fan and heat dissipation wind gap have higher heat dissipation cyclicity, radiating efficiency and stability, can reduce the inside temperature of electric welding in the welding process, can reduce the overheated harmful effects that produces of electric welding.

In summary, the present application includes at least one of the following beneficial technical effects:

1. one end of the handle is connected to the sliding rod in a sliding manner through the first sliding block, so that the electric welding gun can slide along the length direction of the sliding rod, the stable movement of the electric welding gun can be realized, the situation that the electric welding gun cannot displace or shake in the welding process is ensured, the problem of inaccurate welding caused by error of displacement of the electric welding gun in the welding process is reduced, the welding accuracy, convenience and stability are improved, and the welding device is suitable for welding linear reentrant corner structures; on the other hand, the fixed rod is detachably connected with the sliding rod, so that when an electric welding component is not used, the fixed rod and the sliding rod can be disassembled and assembled, the storage is convenient, the magnetic attraction piece at one end of the fixed rod can magnetically attract the internal corner of the metal plate to be welded, the positioning effect of the metal plate to be welded is enhanced, the connection stability of the electric welding component and the metal plate to be welded is further improved, meanwhile, the displacement and deformation of the workpiece to be welded in the welding process can be effectively avoided, the accurate alignment of an electric welding gun to the area to be welded is ensured, and welding flux is slidingly applied, so that errors in the welding process are reduced, and the welding quality and accuracy are improved;

2. the sliding component can widen the rotation direction range of the electric welding gun, is convenient for welding and positioning to be more accurate and stable, and can enable an electric welder to control the position and the direction of the electric welding gun more easily, thereby improving the welding quality and efficiency;

3. the nozzle is the discharge gate of tungsten needle in the welding process, and the tungsten needle passes the nozzle promptly, can with wait to weld the work piece butt, and the welding tail is the feed inlet of welding material such as tungsten needle in the welding process placed to press from both sides welding material such as tungsten needle with tungsten needle clamp, make tungsten needle can aim at to wait to weld the department accurately and weld, shift knob can be used for controlling the switch of soldered connection, makes things convenient for the operation of weldment work.

Drawings

Fig. 1 is a schematic view showing the overall structure of embodiment 1 of the welding apparatus of the present application.

Fig. 2 is a rear view of embodiment 1 of the welding apparatus of the present application.

Fig. 3 is an exploded view of the electric welding gun.

Fig. 4 is a schematic overall structure of embodiment 2 of the welding apparatus of the present application.

Reference numerals illustrate: 1. an electric welding machine; 21. a slide bar; 22. a fixed rod; 221. a groove; 23. a magnetic attraction piece; 231. a convex strip; 241. a first connecting rod; 242. a second connecting rod; 243. a third connecting rod; 244. a first slider; 245. a universal ball axle block; 3. an electric welding gun; 31. a gun body; 32. a handle; 33. a tungsten needle clip; 34. a flow guide; 35. a nozzle; 36. welding the tail; 37. a switch button; 4. an electric cable; 5. a pulley; 6. a water cooler; 71. a bottom plate; 72. a side plate; 73. a fixing plate; 8. a control panel; 81. a power adjustment knob; 82. an electric welding adjusting knob; 83. moving the button; 9. a heat radiation air port; 10. a heat radiation fan.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses electric welding equipment with auxiliary positioning electric welding gun.

Example 1

Referring to fig. 1, the electric welding apparatus with auxiliary positioning of the electric welding gun 3 includes an electric welding machine 1, the electric welding gun 3 and an electric welding component, the electric welding component includes a sliding rod 21, two fixing rods 22, a magnetic attraction piece 23 and a sliding component, one end of each fixing rod 22 is detachably connected with the sliding rod 21, the other end of each fixing rod 22 is connected with the magnetic attraction piece 23, specifically, a raised strip 231 is arranged on one side of the magnetic attraction piece 23, a groove 221 is concavely arranged at one end of the fixing rod 22 far away from the sliding rod 21, the raised strip 231 is clamped in the groove 221, preferably, the magnetic attraction piece 23 is of a fan-like structure, and a plurality of magnetic attraction pieces 23 with different fan-like angles, such as 60 °, 65 °, 70 °, 75 °, 80 °, 85 °, 90 ° and the like, can be selected according to the workpieces with different internal angle for welding, the two metal plates are magnetically attracted and positioned stably at the corresponding angles, so that solder is convenient to be applied accurately, and after the solder is cured, the internal angle is formed and the internal angle welding workpiece with stable connection is formed.

Further, the sliding assembly includes a first connecting rod 241, a second connecting rod 242, a third connecting rod 243 and a first sliding block 244, the first sliding block 244 is slidably connected to the sliding rod 21, one end of the first connecting rod 241 is fixedly connected to the first sliding block 244, the other end of the first connecting rod 241 is rotatably connected to one end of the second connecting rod 242, the other end of the second connecting rod 242 is rotatably connected to one end of the third connecting rod 243, and the other end of the third connecting rod 243 is fixedly connected to one end of the electric welding gun 3. Specifically, the slide rod 21 is embodied as a rodless cylinder, and the first slider 244 is slidable along the length direction of the slide rod 21.

Referring to fig. 1 and 2, the electric welding apparatus is further provided with a control panel 8, a pulley 5, a water cooler 6, a gas cylinder placement platform, a cooling fan 10 and a cooling air port 9, specifically, the control panel 8 is provided with a power adjusting knob 81, an electric welding adjusting knob 82 for controlling the opening and closing of the electric welding gun 3 and a moving button 83 for controlling the operation of a sliding component, the pulley 5 is arranged at the bottom of the electric welding machine 1, the gas cylinder placement platform is preferably arranged at the back of the electric welding machine 1, the gas cylinder placement platform comprises a bottom plate 71, a fixed plate 73 and a plurality of side plates 72, each side plate 72 is vertically connected to the bottom plate 71, the fixed plate 73 and the side plates 72 are all vertically connected to the back of the electric welding machine 1, the gas cylinder placement platform is specifically surrounded by the bottom plate 71 and the side plates 72 to form a platform capable of accommodating various gas cylinders, the side plates 72 and the fixed plates 73 are capable of fixing the gas cylinders, and preventing the gas cylinders from sliding or tilting, preferably, and in order to ensure the safety of the gas cylinders are usually provided with safety devices such as anti-skid pads and safety locks, so as to ensure the gas cylinders cannot slide or tilt, thereby ensuring the safety in welding work, the water cooler 6 is preferably arranged at the bottom of the electric welding machine 1, the water cooler 6 is preferably arranged at the bottom of the water cooler 6, the water cooler is preferably a water cooler, the water cooler is particularly capable of being introduced into a water tank, and the water tank is cooled by a water tank, and the water pump can be cooled by a water pump and the water pump can be cooled.

The cooling fan 10 and the cooling air opening 9 are arranged on the back of the electric welding machine 1, the cooling air opening 9 is arranged below the cooling fan 10, the cooling fan 10 blows air from the upper end of the back of the electric welding machine 1, hot air is discharged from the cooling air opening 9 below the back of the electric welding machine 1, the cooling fan 10 is also provided with a filter, dust sucked into the electric welding machine 1 can be effectively reduced, and the safety of parts inside the electric welding machine 1 is protected. In this way, the electric welding machine 1 can maintain a high-efficiency stable working state for a long time, thereby improving welding efficiency and quality.

Referring to fig. 3, the welding gun 3 includes a gun body 31, a handle 32, a tungsten needle clamp 34, a guide member 35, a nozzle 36, a welding tail 37 and a switch button 38, the tungsten needle clamp 34 is inserted through and is arranged in the gun body 31, the welding tail 37 is connected to the tail end of the gun body 31, one end of the guide member 35 is connected with the head end of the gun body 31, the other end of the guide member 35 is connected with the nozzle 36, the guide member 35 is communicated with the tungsten needle clamp 34, the switch button 38 is preferably arranged in the middle of the handle 32, the welding wire 4 is connected to one end of the handle 32 far away from the gun body 31, the other end of the welding wire 4 is connected to an output interface of the welding machine 1, and the first connecting rod 241, the second connecting rod 242, the third connecting rod 243 and the first sliding block 244 are preferably hollow structures and can store the welding wire 4.

The implementation principle of the embodiment 1 is as follows: when the electric welding gun 3 is assembled, the guide piece 35 is connected to one end of the gun body 31 in a threaded manner, the nozzle 36 is connected to the other end of the guide piece 35 in a threaded manner, the tungsten needle clamp 34 is inserted from one end of the gun body 31 far away from the guide piece 35, an external tungsten needle is inserted into the tungsten needle clamp 34, the welding tail 37 is connected to one end of the gun body 31 far away from the guide piece 35 in a threaded manner, one end of a welding cable is connected to one end of the handle 32 of the electric welding gun 3 far away from the gun body 31, and the other end of the electric welding cable 4 is connected to an output interface of the electric welding machine 1.

Before preparing to weld, the magnetic attraction piece 23 is clamped on the fixed rod 22, then the fixed rod 22 is magnetically attracted and connected to the surface of a workpiece, so that two metal plates are positioned at a required internal angle, the sliding rod 21 is installed on the top of the fixed rod 22, the angle and the position of the electric welding gun 3 are adjusted by adjusting the positions of the first connecting rod 241 and the second connecting rod 242, the nozzle 36 of the electric welding gun 3 is aligned with a position to be welded, during welding, the first sliding block 244 is controlled to move along the direction of the sliding rod 21 by adjusting the moving button 83, the electric welding adjusting knob 82 of the electric welding gun 3 is controlled, and required welding current and welding voltage are adjusted, so that welding is realized.

Example 2

Referring to fig. 4, the present embodiment is different from embodiment 1 in that the sliding assembly includes a first sliding block 244 and a universal ball shaft block 245, the first sliding block 244 is slidably connected to the sliding rod 21, a fixed end of the universal ball shaft block 245 is connected to the first sliding block 244, a movable end of the universal ball shaft block 245 is fixedly connected to an end of the handle 32 far from the gun body 31, and preferably, the first sliding block 244 and the universal ball shaft block 245 are preferably hollow structures, and can accommodate the electric cable 4.

The implementation principle of embodiment 2 differs from that of embodiment 1 in that: before preparing for welding, the magnetic attraction piece 23 is clamped on the fixed rod 22, then the fixed rod 22 is magnetically attracted and connected to the surface of a workpiece, so that two metal plates are positioned at a required internal angle, the sliding rod 21 is installed on the top of the fixed rod 22, and the angle and the position of the electric welding gun 3 are adjusted by adjusting the position of the movable end of the universal ball shaft block 245, so that the nozzle 36 of the electric welding gun 3 is aligned to a position to be welded.

Other technical features and operation principle are the same as those of embodiment 1, and a description thereof will not be repeated here.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. Electric welding equipment with auxiliary positioning electric welding gun, its characterized in that: including electric welding machine (1), electric welding gun (3) and electric welding subassembly, electric welding gun (3) include body of a gun (31) and handle (32), handle (32) fixed connection in body of a gun (31), electric welding subassembly includes slide bar (21) and two dead levers (22), every dead lever (22) one end with slide bar (21) can dismantle and be connected, and the other end of dead lever (22) is provided with and waits that the magnetism of electric welding piece is inhaled mutually with the external magnetism and inhale piece (23), slide bar (21) sliding connection has sliding component, the one end of handle (32) connect in sliding component.

2. An electric welding apparatus with auxiliary positioning electric welding gun as defined in claim 1, wherein: one side of the magnetic attraction piece (23) is provided with a convex strip (231), one end of the fixed rod (22) far away from the sliding rod (21) is concavely provided with a groove (221), and the convex strip (231) is clamped in the groove (221).

3. An electric welding apparatus with auxiliary positioning electric welding gun as defined in claim 1, wherein: the sliding assembly comprises a first connecting rod (241), a second connecting rod (242), a third connecting rod (243) and a first sliding block (244), wherein the first sliding block (244) is connected with the sliding rod (21) in a sliding mode, one end of the first connecting rod (241) is fixedly connected with the first sliding block (244), the other end of the first connecting rod (241) is rotationally connected with one end of the second connecting rod (242), the other end of the second connecting rod (242) is rotationally connected with one end of the third connecting rod (243), and the other end of the third connecting rod (243) is fixedly connected with one end of the handle (32) far away from the gun body (31).

4. An electric welding apparatus with auxiliary positioning electric welding gun as defined in claim 1, wherein: the sliding assembly comprises a universal ball shaft block (245) and a first sliding block (244), the first sliding block (244) is connected with the sliding rod (21) in a sliding mode, the fixed end of the universal ball shaft block (245) is fixedly connected with the first sliding block (244), and the movable end of the universal ball shaft block (245) is fixedly connected with one end, far away from the gun body (31), of the handle (32).

5. An electric welding apparatus with auxiliary positioning electric welding gun as defined in claim 1, wherein: the electric welding gun (3) further comprises a tungsten needle clamp (34), a guide piece (35), a nozzle (36), a welding tail (37) and a switch button (38), wherein the tungsten needle clamp (34) penetrates through and is arranged in the gun body (31), the welding tail (37) is connected to the tail end of the gun body (31), one end of the guide piece (35) is connected with the head end of the gun body (31), the other end of the guide piece (35) is connected with the nozzle (36), the guide piece (35) is communicated with the tungsten needle clamp (34), and the switch button (38) is arranged on the handle (32).

6. An electric welding apparatus with auxiliary positioning welding gun as defined in claim 3 or 4, wherein: one side of the electric welding machine (1) is provided with a control panel (8), and the control panel (8) is provided with a power adjusting knob (81), an electric welding adjusting knob (82) for controlling the opening and closing of the electric welding gun (3) and a moving button (83) for controlling the operation of the sliding component.

7. An electric welding apparatus with auxiliary positioning electric welding gun as defined in claim 6, wherein: one end of the handle (32) far away from the gun body (31) is connected with an electric welding cable (4), and the other end of the electric welding cable (4) is connected to an output interface of the electric welding machine (1).

8. An electric welding apparatus with auxiliary positioning electric welding gun as defined in claim 1, wherein: the bottom of electric welding machine (1) is provided with pulley (5), one side of electric welding machine (1) is provided with gas cylinder place the platform, gas cylinder place the platform and include bottom plate (71), fixed plate (73) and a plurality of curb plate (72), every curb plate (72) perpendicular to bottom plate (71), curb plate (72) with bottom plate (71) all perpendicular to one side of electric welding machine (1).