Welding equipment for metal accessories of side part taking coaming box

Abstract

The invention relates to the technical field of plasma welding, in particular to side part taking coaming box metal accessory welding equipment which comprises an arc welding gun nozzle, and the arc welding gun nozzle comprises a chamber barrel, a spraying barrel, a tungsten electrode bar, a disc frame, a protection ring device, a cold water supply pipe, a cold water discharging pipe, an elastic opening device, a long column rack, a long shaft gear and a plurality of directional long rods. After being released at the tip end of the tungsten electrode rod, plasma arc beams scatter and impact the inner side wall of the nearest device barrel and penetrate through the interiors of the row of device barrels under the conveying and guiding of ion gas, so that cold water flows in the nearest device barrel to absorb heat in the inner wall area of the device barrel, and if the inner wall of the nearest device barrel is excessively abraded, a replacement mechanism can be automatically triggered, and the replacement efficiency is improved. When the plasma arc beam is emitted, the nearest device barrel moves to the root position of the tungsten electrode bar, emission of the plasma arc beam is not affected, a new device barrel can be pushed to the scattering generation position of the plasma arc, in this way, the plasma arc is restrained, and it is ensured that the plasma arc beam emitted from the arc welding gun is kept in a specified column shape.

Description

Technical Field

[0001] The present invention relates to the technical field of plasma welding, and particularly to a welding device for side-taking enclosure box metal fittings. Background Art

[0002] Plasma arc welding refers to a fusion welding method that uses a plasma arc with a high energy density beam as the welding heat source. Plasma arc welding has the characteristics of concentrated energy, high productivity, fast welding speed, small stress and deformation, stable arc, and is suitable for welding thin plates and box materials, etc. It is especially suitable for various refractory, easily oxidized and heat-sensitive metal materials.

[0003] When using a plasma arc welding gun to emit a plasma arc beam to weld side-taking enclosure box metal fittings, an arc is generated between the tungsten electrode rod inside the welding gun and the workpiece. There is a transported ion gas around the tungsten electrode rod. The ion gas confines the plasma arc and guides the plasma arc to shoot out from the muzzle of the arc welding gun. The plasma arc beam will heat the muzzle part of the arc welding gun. The existing technical means is to surround a cold water flow around the muzzle to continuously cool the muzzle of the arc welding gun.

[0004] Although the muzzle is cooled, after the arc welding gun is used for a long time, the plasma arc will impact and damage the inner wall of the muzzle, that is, the plasma arc nozzle will gradually wear. During plasma welding, the nozzle is a key component. The wear of the nozzle is mainly caused by the impact of the high-temperature and high-pressure gas of the plasma arc. The inner diameter of the nozzle will become larger due to wear, which will in turn cause the plasma arc to become thicker, unstable, and cause rough welding at the weld. If the inner wall of the worn arc welding gun nozzle can be replaced in time, the welding quality of the metal fittings can be guaranteed. For this reason, the present invention provides a welding device for side-taking enclosure box metal fittings. Summary of the Invention

[0005] The purpose of the present invention is to provide a welding device for side-taking enclosure box metal fittings to solve the problems raised in the above background art.

[0006] To achieve the above purpose, the present invention provides the following technical solution: A welding device for side-taking enclosure box metal fittings, including an arc welding gun nozzle, and the arc welding gun nozzle includes:

[0007] A barrel, in which ion gas is transported;

[0008] A spray barrel provided at one end of the barrel, and the spray barrel is communicated with the closed end of the barrel;

[0009] A tungsten electrode rod provided at the axis of the barrel, and the tip of the tungsten electrode rod points to the middle of the spray barrel;

[0010] A disk rack fixed in the barrel, and the tungsten electrode rod passes through the middle of the disk rack;

[0011] A row of guard rings are stacked in the nozzle, and the plasma arc beam passes through the inside of the row of guard rings;

[0012] A cold water supply pipe and a cold water discharge pipe embedded in the spray gun housing, wherein the cold water supply pipe and the cold water discharge pipe are both connected to the guard ring closest to the tungsten pole;

[0013] An elastic port device is provided at the plasma arc beam ejection end of the nozzle, and the elastic port device applies thrust to the guard ring device farthest from the tungsten pole rod;

[0014] A long column rack, a long shaft gear and a plurality of directional long rods are passed through a row of protection ring devices, and the long column rack and the directional long rods are fixed between the disc frame and the elastic port device.

[0015] The elastic port device comprises:

[0016] The mouthpiece is fixedly connected with the spray barrel, and the direction long rod is fixedly connected with the mouthpiece;

[0017] A guide tube is arranged in the middle of the mouth tube, and a ring frame is fixed at the end of the guide tube. The plasma arc beam passes through the middle of the guide tube. One end of the ring frame is fixed on the mouth tube. One end of the long shaft gear is movably sleeved in a through hole opened on the ring frame. The long column rack is fixedly connected to the ring frame.

[0018] The spring of the outer sleeve of the guide tube is supported between the ring frame and the protective ring.

[0019] The protective ring device comprises:

[0020] The barrel, the direction long rod guides the barrel to slide in the spray barrel by sliding through the long hole opened on the barrel;

[0021] A plurality of fixtures are evenly arranged around the outer wall of the barrel, one end of the fixture protrudes into a long groove provided on the inner wall of the spray barrel, a thin cylinder cavity is arranged around the barrel near the inner wall, and the fixture and the thin cylinder cavity are connected;

[0022] An outer gear ring that establishes transmission with all the fixtures, and the outer gear ring is arranged in a ring groove opened on the outer wall of the barrel;

[0023] A water ring device is arranged in the barrel, and the water ring device is arranged in a cold water ring cavity provided in the barrel, and the heat on the inner wall of the barrel is taken away by circulating cold water in the cold water ring cavity;

[0024] The multi-control tool is arranged in a square cavity opened on the barrel, and the multi-control tool is respectively connected to the outer gear ring, the long column rack and the long shaft gear to establish transmission.

[0025] The long-column rack slides through a prism hole formed in the cylinder body, and the long-axis gear passes through a rectangular hole formed in the cylinder body. The protective-ring device further includes a linkage assembly disposed in the cylinder body, and the linkage assembly establishes a transmission between the water ring device and the long-axis gear.

[0026] The water ring device includes a ring gear engaged with the linkage assembly, a concave ring shell fixedly arranged on one side of the ring gear in a circumferential manner, a fixed cylinder cover used to cooperate with the concave ring shell to form a ring box, a water inlet pipe group communicated with one side of the ring box, a plurality of unit pipe bodies evenly arranged in a circumferential manner in a cold water ring cavity, and a drain pipe group for discharging water in the cold water ring cavity. The unit pipe bodies are communicated with the ring box. The cold water supply pipe is selected to be directly communicated with one water inlet pipe group, and the cold water discharge pipe is selected to be directly communicated with one drain pipe group.

[0027] The edge of the concave ring shell is movably clamped in a ring groove formed on the bottom surface of the fixed cylinder cover by providing a convex ring. One end of the unit pipe body penetrates through the shell of the concave ring shell, and a row of inclined pipes are arranged on the unit pipe body to spray water to impact the area near the inner side wall of the cylinder body. One end of the water inlet pipe group penetrates through the shell of the fixed cylinder cover.

[0028] The drain pipe group and the water inlet pipe group have the same structure, and both include a fixed pipe embedded in the cylinder body, a blocking plate fixed in the fixed pipe, and a row of valve elastic pieces fixed on the blocking plate. A drain hole is formed on the blocking plate, and the valve elastic pieces block the water holes of the blocking plate. The flowing water passes through by impacting and pushing open the valve elastic pieces to pass through the blocking plate.

[0029] The fixture includes a blocking block slidably arranged in a groove formed on the cylinder body, a rubber cap fixedly covered on the bottom surface of the groove of the cylinder body, an air pipe with one end extending into the interior of the rubber cap, and a neck position shaft positioned and installed in the cylinder body. One end of the neck position shaft is in meshing transmission with a row of teeth arranged on the blocking block through a fixed gear, and the other end of the neck position shaft is in meshing transmission with an external gear ring through a fixed gear. The other end of the air pipe is communicated with a thin cylinder cavity, and the air pipe is embedded in the cylinder body. One end of the blocking block protrudes into a long groove on the spray cylinder, and the blocking block closest to the tip of the tungsten electrode rod is intercepted by the end of the long groove on the spray cylinder.

[0030] The multi-control device is arranged in a part square cavity formed in the cylinder body. The multi-control device includes a receiving device driven by one side of the long-axis gear, a pressing shaft for transmission between the receiving device and the external gear ring, an energy storage device in lap transmission with the receiving device, and a C-shaped elastic piece fixed on the inner wall of the part square cavity. One side of the long-column rack is in transmission with the energy storage device by arranging a row of teeth, and a plate groove into which the C-shaped elastic piece extends is formed on the other side of the long-column rack. The pressing shaft is positioned and installed in the cylinder body, and the C-shaped elastic piece closest to the tip of the tungsten electrode rod is blocked and intercepted by the end of the plate groove on the long-column rack.

[0031] The receiving device includes a first frame fixed on the cartridge, an adjusting shaft movably sleeved in a through hole opened on the first frame, a stepped folding plate slidably passing through a plate hole opened on the first frame, an adjusting shaft driving between the stepped folding plate and the hair-trigger shaft, an inner rod fixed on the first frame, a compression spring sleeved on the inner rod, a double-acting shaft movably sleeved in a through hole opened on the stepped folding plate, and a double-acting gear fixed at one end of the double-acting shaft. One end of the adjusting shaft is variably driven by a fixed bevel gear and a bevel gear fixed at the end of the hair-trigger shaft. The other end of the adjusting shaft is meshingly driven by a fixed gear and a row of teeth provided on the stepped folding plate. The inner rod slidably passes through a column hole opened on the stepped folding plate. The compression spring is supported between the stepped folding plate and a disc provided at the end of the inner rod. The double-acting gear is meshingly driven with a long-shaft gear.

[0032] The energy storage device includes a second frame fixed on the cartridge, a worm, a pressure control shaft and an extension shaft supported on the second frame, a one-way bearing fixedly sleeved at one end of the extension shaft, an extension gear fixedly sleeved outside the one-way bearing, a clockwork fixedly sleeved at one end of the pressure control shaft, an outer cylinder gear fixedly sleeved outside the clockwork, and a continuous movement gear fixed at one end of the worm. A plate body is provided on the bottom surface of the outer cylinder gear, and the pressure control shaft is movably sleeved in a through hole opened in the middle of the plate body. The other end of the pressure control shaft is meshingly driven with the worm by a fixed gear. The other end of the extension shaft is meshingly driven with the outer cylinder gear by a provided gear. The extension gear is meshingly driven with a row of teeth on a long column rack. The double-acting gear is engaged with the continuous movement gear through axial movement.

[0033] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0034] 1. After the plasma arc beam is released at the tip of the tungsten electrode rod, it will scatter and impact the inner wall of the nearest cartridge. Under the guidance of the ion gas transportation, it will then pass through the inside of a row of cartridges. Therefore, cold water circulates inside the nearest cartridge to absorb the heat in the area of the inner wall of the cartridge. If excessive wear occurs on the inner wall of the nearest cartridge, the replacement mechanism will be automatically triggered. The nearest cartridge will move to the root position of the tungsten electrode rod, which does not affect the emission of the plasma arc beam. A new cartridge will be pushed to the position where the plasma arc is generated and scattered, thus confining the plasma arc to ensure that the plasma arc beam emitted from the arc welding gun maintains a specified shape.

[0035] 2. A plurality of unit pipe bodies are arranged in a ring in the cold water ring cavity inside the cartridge. The unit pipe bodies spray cold water flows to impact the inner wall area of the cartridge, thus quickly taking away the heat on the cartridge. At the same time, the unit pipe bodies move around the cartridge, so that the sprayed cold water impacts the cartridge more evenly. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is a schematic structural diagram of the present invention.

[0037] Figure 2 It is a schematic position diagram of the protective ring device.

[0038] Figure 3 It is a schematic diagram of the structure of the elastic mouth device.

[0039] Figure 4 This is a schematic diagram of the location of the cold water supply pipe.

[0040] Figure 5 Schematic diagram of the outer gear ring structure.

[0041] Figure 6 This is a schematic diagram of the position of the barrel.

[0042] Figure 7 It is a schematic diagram of the linkage component structure.

[0043] Figure 8 This is a schematic diagram of the water circle structure.

[0044] Figure 9 Schematic diagram of the cold water ring cavity structure.

[0045] Figure 10 This is a schematic diagram of the drainage pipe group structure.

[0046] Figure 11 A schematic diagram of the fixture structure.

[0047] Figure 12 This is a schematic diagram of the barrel structure.

[0048] Figure 13 This is a schematic diagram of the multi-control structure.

[0049] Figure 14 This is a schematic diagram of the structure of the receiving device.

[0050] Figure 15 It is a schematic diagram of the structure of the energy storage device.

[0051] In the figure: arc welding gun nozzle 1, barrel 2, spray barrel 3, tungsten electrode 4, disc frame 5, protective ring device 6, cold water supply pipe 7, cold water discharge pipe 8, elastic mouth device 9, direction long rod 10, long column rack 11, long shaft gear 12, mouth barrel 13, guide barrel 14, spring 15, ring frame 16, device barrel 17, clamp 18, outer gear ring 19, water ring tool 20, multi-control tool 21, thin cylinder cavity 22, linkage assembly 23, inner sub-axis 24, T plate frame 25, outer sub-axis 26, connecting shaft 27, drainage pipe group 28, water inlet pipe group 29, fixed cylinder cover 30, concave Annular shell 31, annular gear ring 32, unit tube body 33, baffle plate 34, valve spring piece 35, fixed tube 36, baffle block 37, neck shaft 38, rubber cap 39, air pipe 40, pressure-release shaft 41, energy storage device 42, receiving device 43, C-shaped spring piece 44, adjustment shaft 45, first frame 46, stepped folding plate 47, inner rod 48, compression spring 49, double-acting shaft 50, double-acting gear 51, range-extending shaft 52, one-way bearing 53, range-extending gear 54, spring 55, pressure-controlled shaft 56, outer cylinder gear 57, second frame 58, worm 59, and follow-up gear 60. DETAILED DESCRIPTION

[0052] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the technical solutions in the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0053] See also Figures 1 to 15 The present invention provides a technical solution: a side-access panel box metal fitting welding device, comprising an arc welding gun nozzle 1, the arc welding gun nozzle 1 comprises:

[0054] A barrel 2, wherein ion gas is transported inside the barrel 2;

[0055] A spray barrel 3 is arranged at one end of the barrel 2, and the spray barrel 3 is communicated with the closing end of the barrel 2;

[0056] A tungsten pole rod 4 is arranged at the axis of the barrel 2, and the tip of the tungsten pole rod 4 points to the middle of the nozzle 3;

[0057] A disc frame 5 is fixed in the barrel 2, and a tungsten pole rod 4 passes through the middle of the disc frame 5;

[0058] A row of guard rings 6 are stacked in the spray tube 3, and the plasma arc beam passes through the inside of the row of guard rings 6;

[0059] A cold water supply pipe 7 and a cold water discharge pipe 8 are embedded in the shell of the spray gun 3, and both the cold water supply pipe 7 and the cold water discharge pipe 8 are connected to the guard ring 6 closest to the tungsten pole 4;

[0060] The elastic orifice device 9 provided at the plasma arc beam ejection end on the spray barrel 3 applies a thrust to the shielding ring device 6 that is farthest from the tungsten electrode rod 4;

[0061] The long column rack 11, long shaft gear 12, and multiple directional long rods 10 passing through a row of shielding ring devices 6, with the long column rack 11 and the directional long rods 10 both fixed between the disc frame 5 and the elastic orifice device 9.

[0062] Reference Figure 3 Understand that the elastic orifice device 9 includes:

[0063] The orifice barrel 13, which is fixedly connected in communication with the spray barrel 3, and the directional long rod 10 is fixedly connected to the orifice barrel 13;

[0064] The guiding barrel 14 provided in the middle of the orifice barrel 13, and the ring frame 16 fixed to the end of the guiding barrel 14. The plasma arc beam passes through the middle of the guiding barrel 14. One end of the ring frame 16 is fixed to the orifice barrel 13, and one end of the long shaft gear 12 is movably sleeved in the through hole opened on the ring frame 16, and the long column rack 11 is fixedly connected to the ring frame 16;

[0065] The spring 15 sleeved outside the guiding barrel 14, with the spring 15 supported between the ring frame 16 and the shielding ring device 6.

[0066] Reference Figure 5 Understand that the shielding ring device 6 includes:

[0067] The device barrel 17, and the directional long rod 10 guides the sliding of the device barrel 17 in the spray barrel 3 by sliding through the long hole opened on the device barrel 17;

[0068] A plurality of clamps 18 evenly arranged in a ring at the outer wall position of the device barrel 17, with one end of the clamp 18 protruding into the long groove opened on the inner wall of the spray barrel 3. A thin barrel cavity 22 is provided in a ring in the area near the inner side wall of the device barrel 17, and the clamp 18 is in communication with the thin barrel cavity 22;

[0069] The external gear ring 19 in transmission connection with all the clamps 18, with the external gear ring 19 provided in the ring groove opened on the outer wall of the device barrel 17;

[0070] The water ring device 20 arranged in a ring in the device barrel 17, with the water ring device 20 arranged in the cold water ring cavity opened in the device barrel 17, and cold water circulates in the cold water ring cavity to take away the heat on the inner side wall of the device barrel 17;

[0071] The multi-control device 21, with the multi-control device 21 arranged in the square cavity opened on the device barrel 17, and the multi-control device 21 is respectively in transmission connection with the external gear ring 19, the long column rack 11, and the long shaft gear 12;

[0072] Reference Figure 6It is understood that the long column rack 11 slides through the prismatic hole opened on the barrel 17, and the long axis gear 12 passes through the rectangular hole opened on the barrel 17. The protective ring device 6 also includes a linkage assembly 23 arranged in the barrel 17. The linkage assembly 23 establishes transmission between the water circle 20 and the long axis gear 12. The linkage assembly 23 includes a T-plate frame 25 fixed in the barrel 17, an outer sub-shaft 26 supported by one end of the T-plate frame 25, and an inner sub-shaft 24 supported by the other end of the T-plate frame 25, and A transmission connecting shaft 27 is established between the inner branch shaft 24 and the outer branch shaft 26, one end of the connecting shaft 27 extends into the cold water ring cavity, and two bevel gears are used to realize the direction-changing transmission between the connecting shaft 27 and the inner branch shaft 24, the other end of the connecting shaft 27 extends into the rectangular hole where the long shaft gear 12 is located, and two bevel gears are used to realize the direction-changing transmission between the connecting shaft 27 and the outer branch shaft 26, the outer branch shaft 26 is meshed with the long shaft gear 12 through a fixed gear, and the end of the inner branch shaft 24 drives the water ring tool 20 through a fixed gear.

[0073] refer to Figure 8 It is understood that the water ring tool 20 includes a ring gear ring 32 that is driven by the linkage assembly 23, a concave ring shell 31 fixed on one side of the ring gear ring 32, a fixed cylinder cover 30 used to cooperate with the concave ring shell 31 to form a ring box, an inlet pipe group 29 connected to one side of the ring box, a plurality of unit pipe bodies 33 evenly arranged in the cold water ring cavity, and a drainage pipe group 28 for discharging water in the cold water ring cavity, the unit pipe body 33 is connected to the ring box, the cold water supply pipe 7 selects one of the inlet pipe groups 29 to be directly connected, and the cold water discharge pipe 8 selects one of the drainage pipe groups 28 to be directly connected.

[0074] The long shaft gear 12 drives the outer sub-shaft 26 by rotating, and then drives the inner sub-shaft 24 through the connecting shaft 27, and then controls the rotation of the concave ring shell 31 through the annular gear ring 32, causing all the unit tubes 33 to move synchronously around, so that the multiple streams of water sprayed from the unit tubes 33 can impact the device barrel 17 more evenly.

[0075] refer to Figure 8 It is understood that the edge of the concave ring shell 31 is movably inserted into the annular groove opened on the bottom surface of the fixed cylinder cover 30 by setting a convex ring, one end of the unit tube body 33 passes through the shell of the concave ring shell 31, and a row of inclined tubes are set on the unit tube body 33 to spray water to impact the area close to the inner wall of the device cylinder 17, and one end of the water inlet pipe group 29 passes through the shell of the fixed cylinder cover 30.

[0076] The drainage pipe group 28 and the water inlet pipe group 29 have the same structure, and both include a fixed pipe 36 embedded in the cylinder 17, a baffle 34 fixed in the fixed pipe 36, and a row of valve springs 35 fixed on the baffle 34. The baffle 34 has a drainage hole, and the valve springs 35 block the water hole of the baffle 34. The flowing water passes through the baffle 34 by impacting the valve springs 35. Figure 8 and Figure 10Understand that the water inside the barrel 17 closest to the tip of the tungsten electrode rod 4 is cooled by flowing water. Specifically, the cold water supply pipe 7 is externally connected to a cold water supply mechanism in the prior art. The cold water is injected into the water inlet pipe group 29 through the cold water supply pipe 7, and then into the ring box, and then diffused and discharged through a plurality of unit tubes 33. The diffused water impacts the area near the inner side wall of the barrel 17. After the plasma arc beam diffuses at the tip of the tungsten electrode rod 4, it passes through a row of barrels 17. And after the plasma arc beam diffuses, it first impacts the inner side wall of the barrel 17 where cold water circulates inside. After being intercepted by the inner side wall of the barrel 17, the plasma arc column is constrained into a cylindrical shape. The cylindrical plasma arc column is emitted and used to weld metal fittings. Therefore Figure 4 the topmost protective ring device 6 in Figure 4 needs to be cooled, and the remaining multiple protective ring devices 6 below do not need to be cooled as their temperatures are not high. The heat on the inner side wall of the barrel 17 is transferred to the place where cold water flows, and then the heat is absorbed. The water in the cold water ring cavity absorbs heat and is discharged into the cold water discharge pipe 8 through the drain pipe group 28, and finally discharged from the arc welding gun. If the water supply stops at the cold water supply pipe 7, the valve spring piece 35 will automatically block the water holes on the blocking plate 34, so that the water in the cold water ring cavity stops flowing. Since the cold water supply pipe 7 and the cold water discharge pipe 8 select one barrel 17 to flow through water, once the inner side wall of the barrel 17 is damaged, the next barrel 17 rises to re-establish communication with the cold water supply pipe 7 and the cold water discharge pipe 8, and the water inside the previously replaced barrel 17 will not overflow.

[0077] The fixture 18 includes a blocking block 37 slidably arranged in the groove opened on the barrel 17, a rubber cap 39 fixedly covered on the bottom surface of the groove of the barrel 17, an air pipe 40 with one end extending into the rubber cap 39, and a neck position shaft 38 positioned and installed in the barrel 17. One end of the neck position shaft 38 is in meshing transmission with a row of teeth arranged on the blocking block 37 through a fixed gear, and the other end of the neck position shaft 38 is in meshing transmission with the external gear ring 19 through a fixed gear. The other end of the air pipe 40 is communicated with the thin barrel cavity 22, and the air pipe 40 is embedded in the barrel 17. One end of the blocking block 37 protrudes into the long groove on the spray barrel 3, and the blocking block 37 closest to the tip of the tungsten electrode rod 4 is intercepted by the end of the long groove on the spray barrel 3.

[0078] The multi-control device 21 is arranged in the part square cavity opened in the barrel 17. The multi-control device 21 includes a receiving device 43 driven on one side of the long shaft gear 12, a pressing shaft 41 for driving between the receiving device 43 and the external gear ring 19, an energy storage device 42 in lap transmission with the receiving device 43, and a C-shaped spring piece 44 fixed on the inner wall of the part square cavity. One side of the long column rack 11 is in transmission with the energy storage device 42 by arranging a row of teeth. The other side of the long column rack 11 is provided with a plate groove into which the C-shaped spring piece 44 extends. The pressing shaft 41 is positioned and installed in the barrel 17, and the C-shaped spring piece 44 closest to the tip of the tungsten electrode rod 4 is blocked and intercepted by the end of the plate groove on the long column rack 11.

[0079] The receiving device 43 includes a first frame 46 fixed on the barrel 17, an adjusting shaft 45 movably sleeved in a through hole opened on the first frame 46, a stepped folding plate 47 slidably passing through a plate hole opened on the first frame 46, an adjusting shaft 45 driving between the stepped folding plate 47 and the hair-trigger shaft 41, an inner rod 48 also fixed on the first frame 46, a compression spring 49 sleeved on the inner rod 48, a double-acting shaft 50 movably sleeved in a through hole opened on the stepped folding plate 47, and a double-acting gear 51 fixed at one end of the double-acting shaft 50. One end of the adjusting shaft 45 is variably driven by a fixed bevel gear and a bevel gear fixed at the end of the hair-trigger shaft 41. The other end of the adjusting shaft 45 is meshingly driven by a fixed gear and a row of teeth provided on the stepped folding plate 47. The inner rod 48 slidably passes through a column hole opened on the stepped folding plate 47. The compression spring 49 is supported between the stepped folding plate 47 and a disc provided at the end of the inner rod 48. The double-acting gear 51 is meshingly driven with the long-axis gear 12.

[0080] The energy storage device 42 includes a second frame 58 fixed on the barrel 17, a worm 59 supported on the second frame 58, a pressure control shaft 56 and an extension shaft 52, a one-way bearing 53 fixedly sleeved at one end of the extension shaft 52, an extension gear 54 fixedly sleeved outside the one-way bearing 53, a clockwork spring 55 fixedly sleeved at one end of the pressure control shaft 56, an outer cylinder gear 57 fixedly sleeved outside the clockwork spring 55, and a continuous movement gear 60 fixed at one end of the worm 59. A plate body is provided on the bottom surface of the outer cylinder gear 57, and the pressure control shaft 56 is movably sleeved in a through hole opened in the middle of the plate body. The other end of the pressure control shaft 56 is meshingly driven with the worm 59 through a fixed gear. The other end of the extension shaft 52 is meshingly driven with the outer cylinder gear 57 through a provided gear. The extension gear 54 is meshingly driven with a row of teeth on the long column rack 11. The double-acting gear 51 is axially moved to establish meshing with the continuous movement gear 60. The worm 59, the pressure control shaft 56 and the extension shaft 52 are respectively movably sleeved in different through holes opened on the second frame 58.

[0081] During the welding process, the plasma arc beam passes through the middle of a row of barrels 17. After being generated at the tip of the tungsten electrode rod 4, the plasma arc beam diffuses and impacts the inner side wall of the nearest barrel 17. Under long-term impact, the inner side wall of the nearest barrel 17 gradually wears. Inert gas is stored in the thin barrel cavity 22, and the inert gas is discharged through the damaged part on the inner side wall of the barrel 17. The compression spring 49 presses on the stepped folding plate 47, controls the hair-trigger shaft 41 through the adjusting shaft 45, and then controls the neck position shaft 38 through the outer gear ring 19. Furthermore, the blocking block 37 has a tendency to press the rubber cap 39. Once the gas in the thin barrel cavity 22 leaks out, the blocking block 37 will move to press the rubber cap 39. The gas in the rubber cap 39 is injected into the thin barrel cavity 22 through the air pipe 40, and then leaks out again. The blocking block 37 is withdrawn from the long groove on the spray barrel 3. Then, the barrel 17 closest to the tip of the tungsten electrode rod 4 and the spray barrel 3 can slide misaligned. Next, the energy storage device 42 in this barrel 17 is triggered.

[0082] Trigger principle of energy storage device 42: The movement of the blocking block 37 is accompanied by the rotation of the neck shaft 38. The rotation of the external gear ring 19 corresponds to the rotation of the pressure release shaft 41. The rotation of the adjusting shaft 45 corresponds to the movement of the stepped folding plate 47. Figure 14 The rising of the stepped folding plate 47 in Figure 14 drives the double-acting shaft 50, and then the double-acting gear 51 rises to establish meshing with the continuous driving gear 60. The long shaft gear 12 is externally connected to a driving mechanism in the prior art. The continuously rotating long shaft gear 12 drives the double-acting gear 51, and then drives the worm 59 through the continuous driving gear 60. Next, the rotation of the pressure control shaft 56 causes the clockwork spring 55 to contract and store energy. When the clockwork spring 55 is saturated with energy, it is automatically released. The release timing is to break the blocking of the C-shaped elastic piece 44 on the long column rack 11. The release of the clockwork spring 55 causes the outer cylinder gear 57 to rotate. Next, the one-way bearing 53 is driven to rotate through the extension shaft 52, and then the extension gear 54 rotates multiple circles. The long column rack 11 meshing and driving with the extension gear 54 is stationary in space. Therefore, the extension gear 54 rolls and rises on one side of the long column rack 11. The movement of the extension gear 54 will drive the entire cartridge 17 to rise. In this way, once the pressure at the clockwork spring 55 accumulates enough, the blocking of the C-shaped elastic piece 44 on the long column rack 11 is broken. Figure 2 The topmost protective ring device 6 in Figure 2 will immediately eject and rise, that is, the damaged cartridge 17 rises. At the same time, the spring 15 pushes to make the remaining multiple cartridges 17 rise synchronously. That is, when the damaged cartridge 17 leaves the scattering area of the plasma arc, it will be replaced by the next rising cartridge 17. At the same time, the stationary cold water supply pipe 7 and the cold water discharge pipe 8 are automatically docked with the next cartridge 17, so that cold water circulates inside the next cartridge 17.

[0083] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A side-picking pallet box metal fitting welding device, comprising an arc welding gun nozzle, characterized in that: The arc welding gun nozzle comprises: a barrel, wherein ion gas is transported inside the barrel; A spray barrel is arranged at one end of the barrel, and the spray barrel is connected with the closing end of the barrel; A tungsten pole rod is arranged at the axis of the barrel, and the tip of the tungsten pole rod points to the middle of the nozzle; A disc holder is fixed in the barrel, and the tungsten pole rod passes through the middle of the disc holder; A row of guard rings are stacked in the nozzle, and the plasma arc beam passes through the inside of the row of guard rings; A cold water supply pipe and a cold water discharge pipe embedded in the spray gun housing, wherein the cold water supply pipe and the cold water discharge pipe are both connected to the guard ring closest to the tungsten pole; An elastic port device is provided at the plasma arc beam ejection end of the nozzle, and the elastic port device applies thrust to the guard ring device farthest from the tungsten pole rod; A long column rack, a long shaft gear and a plurality of directional long rods are passed through a row of protection ring devices, and the long column rack and the directional long rods are fixed between the disc frame and the elastic port device.

2. The metal fitting welding equipment for a side-picking pallet box according to claim 1, wherein: The elastic port device comprises: The mouthpiece is fixedly connected with the spray barrel, and the direction long rod is fixedly connected with the mouthpiece; A guide tube is arranged in the middle of the mouth tube, and a ring frame is fixed at the end of the guide tube. The plasma arc beam passes through the middle of the guide tube. One end of the ring frame is fixed on the mouth tube. One end of the long shaft gear is movably sleeved in a through hole opened on the ring frame. The long column rack is fixedly connected to the ring frame. The spring of the outer sleeve of the guide tube is supported between the ring frame and the protective ring.

3. The metal fitting welding equipment for a side-picking pallet box according to claim 1, characterized in that: The protective ring device comprises: The barrel, the direction long rod guides the barrel to slide in the spray barrel by sliding through the long hole opened on the barrel; A plurality of fixtures are evenly arranged around the outer wall of the barrel, one end of the fixture protrudes into a long groove provided on the inner wall of the spray barrel, a thin cylinder cavity is arranged around the barrel near the inner wall, and the fixture and the thin cylinder cavity are connected; An outer gear ring that establishes transmission with all the fixtures, and the outer gear ring is arranged in a ring groove opened on the outer wall of the barrel; A water ring device is arranged in the barrel, and the water ring device is arranged in a cold water ring cavity provided in the barrel, and the heat on the inner wall of the barrel is taken away by circulating cold water in the cold water ring cavity; The multi-control tool is arranged in a square cavity opened on the barrel, and the multi-control tool is respectively connected to the outer gear ring, the long column rack and the long shaft gear to establish transmission.

4. The metal fitting welding equipment for side-picking pallet boxes according to claim 3, characterized in that: The long column rack slides through the prismatic hole opened on the device barrel, and the long axis gear passes through the rectangular hole opened on the device barrel. The protective ring device also includes a linkage component arranged in the device barrel, and the linkage component establishes transmission between the water circle tool and the long axis gear.

5. The metal fitting welding equipment for side-picking pallet boxes according to claim 4, characterized in that: The water ring tool includes a ring gear ring that is driven by a linkage assembly, a concave ring shell that is fixed on one side of the ring gear ring, a fixed cylinder cover that is used to cooperate with the concave ring shell to form a ring box, an inlet pipe group connected to one side of the ring box, a plurality of unit pipe bodies that are evenly arranged in the cold water ring cavity, and a drainage pipe group for discharging water in the cold water ring cavity, the unit pipe body is connected to the ring box, the cold water supply pipe selects one of the inlet pipe groups to be connected to, and the cold water discharge pipe selects one of the drainage pipe groups to be connected to.

6. The metal fitting welding equipment for side-picking pallet boxes according to claim 5, characterized in that: The edge of the concave ring shell is movably inserted into the annular groove provided on the bottom surface of the fixed cylinder cover by setting a convex ring. One end of the unit tube body passes through the shell of the concave ring shell. A row of inclined tubes are set on the unit tube body to spray water to impact the area close to the inner wall of the cylinder. One end of the water inlet pipe group passes through the shell of the fixed cylinder cover.

7. A side-picking pallet box metal fitting welding device according to claim 5, characterized in that: The drain pipe group and the water inlet pipe group have the same structure, both including a fixed pipe embedded in the cylinder, a blocking plate fixed in the fixed pipe, and a row of valve elastic pieces fixed on the blocking plate. A drain hole is opened on the blocking plate, and the valve elastic piece blocks the water hole of the blocking plate. The flowing water passes through the blocking plate by impacting and pushing open the valve elastic piece.

8. The metal fitting welding equipment for side picking pallet boxes according to claim 3, wherein: The fixture includes a blocking block slidably arranged in a groove opened on the cylinder, a rubber cap fixed on the bottom surface of the groove of the cylinder, an air pipe with one end extending into the rubber cap, and a neck position shaft positioned and installed in the cylinder. One end of the neck position shaft is meshed and driven with a row of teeth arranged on the blocking block through a fixed gear, and the other end of the neck position shaft is meshed and driven with an external gear ring through a fixed gear. The other end of the air pipe communicates with the thin cylinder cavity, and the air pipe is embedded in the cylinder. One end of the blocking block protrudes into a long groove on the spray cylinder, and the blocking block closest to the tip of the tungsten electrode rod is intercepted by the end of the long groove on the spray cylinder.

9. The metal fitting welding equipment for side picking panel boxes according to claim 3, characterized in that: The multi-control device is arranged in a part square cavity opened in the cylinder. The multi-control device includes a receiving device driven on one side by a long shaft gear, a pressing shaft driven between the receiving device and the external gear ring, an energy storage device driven in a lapping manner with the receiving device, and a C-shaped elastic piece fixed on the inner wall of the part square cavity. One side of the long column rack is provided with a row of teeth to establish a drive with the energy storage device, and the other side of the long column rack is provided with a plate groove into which the C-shaped elastic piece extends. The pressing shaft is positioned and installed in the cylinder, and the C-shaped elastic piece closest to the tip of the tungsten electrode rod is blocked by the end of the plate groove on the long column rack.

10. The metal fitting welding equipment for side-picking pallet boxes according to claim 9, characterized in that: The receiving device includes a first frame fixed on the cylinder, an adjusting shaft movably sleeved in a through hole opened on the first frame, a stepped folding plate slidably passing through a plate hole opened on the first frame, an adjusting shaft driving between the stepped folding plate and the pressing shaft, an inner rod further fixed on the first frame, a compression spring sleeved on the inner rod, a double-acting shaft movably sleeved in a through hole opened on the stepped folding plate, and a double-acting gear fixed at one end of the double-acting shaft. One end of the adjusting shaft is variably driven with a bevel gear fixed at the end of the pressing shaft through a fixed bevel gear, and the other end of the adjusting shaft is meshed and driven with a row of teeth arranged on the stepped folding plate through a fixed gear. The inner rod slidably passes through a column hole opened on the stepped folding plate, and the compression spring is supported between the stepped folding plate and a disc body arranged at the end of the inner rod. The double-acting gear is meshed and driven with the long shaft gear.

11. A welding device for side-picking pallet box metal fittings according to claim 10, characterized in that: The energy storage device includes a second frame fixed on the cylinder, a worm supported on the second frame, a pressure control shaft and an extension shaft, a one-way bearing fixedly sleeved at one end of the extension shaft, an extension gear fixedly sleeved outside the one-way bearing, a clockwork fixedly sleeved at one end of the pressure control shaft, an outer cylinder gear fixedly sleeved outside the clockwork, and a continuous movement gear fixed at one end of the worm. A plate body is arranged on the bottom surface of the outer cylinder gear, and the pressure control shaft is movably sleeved in a through hole opened in the middle of the plate body. The other end of the pressure control shaft is meshed and driven with the worm through a fixed gear, and the other end of the extension shaft is meshed and driven with the outer cylinder gear through a set gear. The extension gear is meshed and driven with a row of teeth on the long column rack. The double-acting gear is meshed with the continuous movement gear through an axial movement.

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