CN107127427B - Light-weight full-sealed underwater automatic welding wire feeder - Google Patents
Light-weight full-sealed underwater automatic welding wire feeder Download PDFInfo
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- CN107127427B CN107127427B CN201710444868.4A CN201710444868A CN107127427B CN 107127427 B CN107127427 B CN 107127427B CN 201710444868 A CN201710444868 A CN 201710444868A CN 107127427 B CN107127427 B CN 107127427B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
- B23K9/133—Means for feeding electrodes, e.g. drums, rolls, motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
- B23K9/133—Means for feeding electrodes, e.g. drums, rolls, motors
- B23K9/1336—Driving means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
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- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The light-weight fully-sealed underwater automatic welding wire feeder comprises a wire feeding case with a plurality of interfaces, a wire reel mechanism, a speed reduction transmission mechanism, a gear transmission mechanism, a wire pressing mechanism and a sealed motor with a sealed waterproof function, wherein the wire feeding case is hermetically insulated from the wire feeding case, the interfaces on the wire feeding case comprise a gas circuit interface, a power cable interface and a welding gun interface, protective gas filled into the wire feeding case through the gas circuit interface forms an in-box gas pressure balanced with the water pressure outside a box in the wire feeding case, the sealed motor, the speed reduction transmission mechanism and the gear transmission mechanism are sequentially connected, a pressure channel is formed between the installed wire pressing mechanism and the gear transmission mechanism, and welding wires wound on the wire reel mechanism are compressed through the pressure channel and are conveyed to the welding gun interface of the wire feeding case. The invention has the advantages of light weight, good sealing performance, capability of greatly reducing the possibility of failure of equipment in underwater work and the like, and belongs to the technical field of underwater welding.
Description
Technical Field
The invention belongs to the technical field of underwater welding, and particularly relates to a light-weight fully-sealed underwater automatic welding wire feeder.
Background
With the rapid development of national economy and ocean technology, a large amount of ocean engineering needs to be built and maintained, and the ocean engineering is continuously propelled to deep sea, so that the demand for underwater welding is urgent. Underwater welding is taken as a key technology for ocean engineering construction and transformation, and more attention is paid, scholars and scientific research institutions study the underwater welding technology as a subject, and no complete underwater robot welding system is applied to underwater engineering welding at present due to complexity and uncertainty of underwater environment, so that application requirements of underwater welding are more and more urgent. The submerged wire feeder for welding is one of the key devices for underwater welding, and the research on the submerged wire feeder promotes the development of an underwater robot welding system. When the welding torch is applied to engineering, factors influencing the underwater welding quality are many, and stable combustion of electric arcs in the welding process is the fundamental guarantee of high-quality welding. In order to make underwater electric arc combustion stable, a corresponding power supply is required to be matched with the underwater electric arc combustion, and a stable and reliable wire feeding device is required to be provided, so that a stable power supply-electric arc system can be established. There are stable underwater welding wire feeders that maintain a stable environment within the enclosure by sealing the wire feeder enclosure. However, the existing devices only carry out sealing treatment on the wire feeder case, a plurality of sealing treatments are adopted in the sealing process of the wire feeder case, the plurality of sealing treatments are equivalent to 'series connection', even if the reliability of a single sealing treatment is high, the reliability of the plurality of sealing treatments is not ideal, so that the devices have the possibility of water seepage, the motor is damaged, and the devices cannot work normally; in addition, once the water seepage occurs to the equipment, the equipment is damaged, and the repair difficulty and the cost are high. Moreover, the existing underwater wire feeding device is large in size and weight, and the underwater operation is inconvenient.
Disclosure of Invention
Aiming at the problems, the invention provides a light-weight full-sealing underwater automatic welding wire feeder which adopts double-sealing waterproof treatment and can effectively reduce the possibility of failure of equipment caused by water seepage during underwater work.
The light-weight fully-sealed underwater automatic welding wire feeder comprises a wire feeding case with a plurality of interfaces, a wire reel mechanism, a speed reduction transmission mechanism, a gear transmission mechanism, a wire pressing mechanism and a sealed motor with a sealed waterproof function, wherein the wire feeding case is hermetically insulated from the wire feeding case, the interfaces on the wire feeding case comprise a gas path interface, a power cable interface and a welding gun interface, protective gas filled into the wire feeding case through the gas path interface forms an in-box gas pressure balanced with the water pressure outside the box in the wire feeding case, the sealed motor, the speed reduction transmission mechanism and the gear transmission mechanism are sequentially connected, a pressure channel is formed between the installed wire pressing mechanism and the gear transmission mechanism, and welding wires wound on the wire reel mechanism are compressed through the pressure channel and are conveyed to the welding gun interface of the wire feeding case. By adopting the structure, the normal operation and work of the equipment cannot be influenced even if one-time water seepage occurs, and the maintenance only needs to carry out sealing and waterproof treatment on the wire feeding case again; the sealed water-proof effect of dual sealed is better, and the infiltration that significantly reduces the infiltration trouble to the influence of equipment, and lifting means stability send a more stable.
Preferably, the welding gun interface and the power cable interface which are subjected to sealing and insulating treatment are arranged on the wire feeding case and are connected with each other through a cable inside the wire feeding case. By adopting the structure, the sealing and waterproof treatment is carried out at the interface of the wire feeding case, the waterproof first defense line of the equipment is made, and the relatively stable working environment in the case is formed.
Preferably, the welding gun interface comprises a welding gun base, a stainless steel flange, an insulating sleeve, an O-shaped sealing ring, an insulating gasket and a welding cable wiring terminal, the welding gun base sequentially penetrates through the stainless steel flange, the insulating sleeve, the wall of the wire feeder box and the insulating gasket from the outside of the wire feeder box and then extends into the wire feeder box, the welding gun base is fixed on the wall of the wire feeder box through a bolt connecting flange with a sealing ring sleeve, the welding cable wiring terminal is installed at one end of the welding gun base, which is positioned outside the wire feeder box, and the insulating sleeve and the wall of the wire feeder box are sealed through the O-shaped sealing ring. By adopting the structure, the butt welding gun interface can be effectively sealed, waterproof and insulated, and the wire feeding case can be tightly sealed, so that the stable working environment in the wire feeding case can be ensured.
Preferably, the power cable interface comprises a conductive cylinder, an insulating sleeve, an insulating sealing sleeve, an O-shaped sealing ring, a round nut and a welding cable terminal, wherein a conductive column sequentially penetrates through the insulating sleeve, the wall of the wire feeder box and the insulating sealing sleeve in the wire feeder box and is fixed by the round nut, one end of the conductive column in the wire feeder box is screwed by a hexagon nut, the welding cable terminal is installed at one end of the conductive column outside the wire feeder box, and the O-shaped sealing ring is used for sealing among the insulating sealing sleeve, the conductive cylinder and the wire feeder box. By adopting the structure, the power cable interface can be effectively sealed, waterproof and insulated, and the wire feeding case can be tightly sealed, so that the stable working environment in the wire feeding case can be ensured.
Preferably, the sealed motor comprises a motor case, a stator, a rotor, a rear cover and a front cover, the rear cover is installed at the bottom of the motor case, the front cover is installed at the opening end of the motor case in a sealing mode through a static sealing ring, the stator is fixed in the motor case, the rotor rotating inside the stator is located in the stator, one end of the rotor is installed on the rear cover, and the other end of the rotor extends out of the front cover and is installed on the front cover in a sealing mode through a movable sealing ring. By adopting the structure, the sealing motor is sealed in a dynamic and static sealing combination mode, the motor can effectively seal and prevent water while outputting power, the motor is a second defense line for ensuring normal operation and work of equipment underwater, the motor is further protected, and the probability of water seepage of the motor is reduced.
Preferably, the speed reduction transmission mechanism comprises a speed reduction case, a worm wheel and a worm, the worm wheel and the worm are arranged in the speed reduction case, the worm is connected with the output end of the sealed motor, the worm wheel is meshed with the worm, and the output shaft of the worm wheel extends out of the speed reduction case and is connected with the gear transmission mechanism. By adopting the structure, the torque can be stably transmitted, the output torque of the motor is decelerated, and the working requirement is met.
Preferably, the gear transmission mechanism comprises a gear bracket, and a driving wheel and a driven wheel set which are arranged on the gear bracket, wherein the driving wheel is arranged at one end of the output shaft of the worm wheel connected with the gear transmission mechanism, and the driven wheel set driven by the driving wheel is meshed with the driving wheel; the driven wheel set comprises two driven wheels, one end of each driven wheel is provided with a wheel tooth meshed with the driving wheel, and the other end of each driven wheel is provided with an annular groove for the welding wire to pass through. By adopting the structure, the gear transmission is stable, and the stable welding wire conveying is facilitated; when the welding wire is conveyed by using the gear transmission, the path of the gear transmission is separated from the path of the welding wire, so that the welding wire is prevented from being stirred into the gear during conveying, and the wire feeding work is further influenced.
Preferably, the wire reel mechanism comprises a wire reel, a wire reel shaft and a wire reel supporting frame, one end of the wire reel shaft is fixed on the wire reel supporting frame, the wire reel is installed on the wire reel shaft through a through hole in the middle, and the other end of the wire reel shaft is locked by a compression nut. By adopting the structure, the welding wire disc is stably and rotatably arranged in the wire feeding machine box, and the structure is favorable for layout design of parts in the wire feeding machine box, saves space and reduces the volume of the wire feeding machine.
Preferably, the wire pressing mechanism comprises a wire pressing handle and two wire pressing wheel sets, each wire pressing wheel set comprises a wire pressing wheel and a wire pressing wheel mounting plate, each wire pressing wheel is fixed on the wire pressing wheel mounting plate, one end of each wire pressing wheel mounting plate is mounted on the wire feeding case, the two wire pressing wheels are respectively arranged on the driven wheels and used for pressing the wire pressing wheel sets to the wire pressing handles of the driven wheel sets to be mounted in the middles of the two wire pressing wheel mounting plates. By adopting the structure, when the device is installed and debugged, the welding wire is positioned in the groove of the driven wheel, and the depth of the wire pressing wheel in the annular groove of the driven wheel can be adjusted by adjusting the wire pressing handle, so that the compression degree of the wire pressing mechanism on the welding wire is adjusted.
Preferably, the welding wire detection mechanism comprises a conductive column, an insulating plate, a connecting plate, a shaft and a torsion spring, one end of the shaft is fixed on the wire feeding case, the other end of the shaft is provided with the connecting plate through the torsion spring, the conductive column which is in contact with the welding wire is arranged on the connecting plate, the insulating plate is arranged between the conductive column and the connecting plate, and the conductive column is electrically connected with the output end of the welding power supply. By adopting the structure, the conductive column can be kept in contact with the welding wire, and meanwhile, the conductive column is connected with the output end of the welding power supply, so that the welding wire, the conductive column and the output end of the welding power supply form a loop, and whether the welding wire has surplus or not can be judged by detecting whether the loop is communicated or not in real time before welding and in the welding process.
The invention has the advantages that:
1. the design of double-sealing waterproof treatment is adopted, namely, the wire feeding case and the sealing motor are subjected to waterproof sealing treatment at the same time, so that the sealing waterproof performance is better, the normal operation and work of the equipment cannot be influenced even if once water seepage occurs, and the wire feeding case only needs to be subjected to the sealing waterproof treatment again for maintenance; greatly reduced equipment when underwater work the probability of breaking down, promoted equipment stability, send a more stable.
2. The power cable interface, the welding gun interface and the like are subjected to insulation sealing treatment, so that the wire feeding case is effectively and tightly sealed.
3. One end of the driven wheel is provided with gear teeth meshed with the driving wheel, the other end of the driven wheel is provided with a ring-shaped groove for the welding wire to pass through, and the driven wheel is provided with a gear for transmission and a ring-shaped groove for conveying the welding wire separately.
4. The welding wire detection mechanism is arranged and can detect whether the welding wire has allowance; therefore, the wire detection mechanism can detect the remaining amount of the wire in the case where the amount of the wire is not easily observed.
5. The welding wire straightening mechanism can straighten the coiled welding wire and play a role in guiding so that the welding wire can stably enter the gear transmission mechanism.
Drawings
Fig. 1 is a schematic structural diagram of a lightweight fully-sealed underwater automatic welding wire feeder.
FIG. 2 is a top view of a lightweight hermetically sealed underwater automatic welding wire feeder.
Fig. 3 is a schematic structural diagram of a power cable interface.
Fig. 4 is a schematic structural diagram of a welding gun interface.
FIG. 5 is a front view of the wire detection mechanism.
FIG. 6 is a top view of the wire detection mechanism.
Fig. 7 is a schematic structural view of the wire reel mechanism.
The welding gun comprises a welding gun interface 1, a wire feeding case 2, a driven wheel 3, a driving wheel 4, an insulating pad 5, a gear support 6, a sealing motor 7, a mounting interface 8, a wire reel mechanism 9, a power cable interface 10, a wire pressing wheel mounting plate 11, a wire pressing wheel 12, a wire pressing handle 13, a welding wire straightening mechanism 14, a handle shaft 15, a welding wire detection mechanism 16, a gas path interface 17, a reduction transmission mechanism 18, a motor driving interface 19, a welding wire guide tube 20, a handle nut 21, a hexagon nut 22, a conductive cylinder 23, an insulating sleeve 24, an insulating sealing sleeve 25, a round nut 26, a welding cable terminal 27, an O-shaped sealing ring 28, a welding gun seat 29, a stainless steel flange 30, an insulating sleeve 31, an O-shaped sealing ring 32, an inner hexagon head screw 33, an insulating sleeve gasket 34, a conductive column 35, an insulating sleeve 36, a connecting plate 37, a torsion spring 39, a shaft 40, a hexagon nut 41, a wire reel 43, a welding wire reel 44, a welding wire pressing nut 44 and a welding wire reel 44.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The light-weight fully-sealed underwater automatic welding wire feeder comprises a wire feeder case, a wire reel mechanism, a speed reduction transmission mechanism, a gear transmission mechanism, a wire pressing mechanism, a welding wire straightening mechanism and a welding wire detection mechanism, wherein the wire reel mechanism, the speed reduction transmission mechanism, the gear transmission mechanism, the wire pressing mechanism, the welding wire straightening mechanism and the welding wire detection mechanism are sealed in the wire feeder case, protective gas filled into the wire feeder case through a gas path interface on the wire feeder case forms an in-box gas pressure balanced with the water pressure outside the box in the wire feeder case, a sealing motor, the speed reduction transmission mechanism and the gear transmission mechanism are sequentially connected, a pressure channel is formed between the installed wire pressing mechanism and the gear transmission mechanism, and a welding wire wound on the wire reel mechanism is compressed through the pressure channel and is conveyed to a welding gun interface of the wire feeder case.
In this embodiment, the wire feeding case is rectangular and made of titanium alloy, the left side plate of the wire feeding case is provided with the welding gun interface and the gas circuit interface, the right side plate of the wire feeding case is provided with the power cable interface, the welding gun interface and the power cable interface are subjected to insulation treatment and sealing treatment, and the welding gun interface and the power cable interface are connected inside the wire feeding case through cables.
In this embodiment, be equipped with visual panel on the last side plate of sending a quick-witted case, send and be equipped with the several interface on the quick-witted case of silk, including welder interface, gas circuit interface, power cable interface, motor drive cable interface, installation interface, for the realization is sealed to sending the quick-witted incasement subassembly of silk, sealed to the visual panel of sending a quick-witted case, welder interface is sealed, gas circuit interface is sealed, power cable interface is sealed, motor drive cable interface is sealed, installation interface is sealed, all adopt the static seal circle to seal and adopt insulating processing. The visual panel is only required to be detached when the welding wires are replaced, the maintenance is simple and convenient, and the welding wire can be applied to welding of various occasions. As with the traditional wire feeder, gas with the same water pressure is filled into the wire feeder case, the air pressure inside the wire feeder case and the water pressure outside the case are mutually offset, and the pressure of the wire feeder case and other parts is reduced.
As shown in fig. 4, the welding gun interface comprises a welding gun base, a stainless steel flange, an insulating sleeve, an O-shaped sealing ring, an insulating gasket and a welding cable terminal, wherein the welding gun base sequentially penetrates through the stainless steel flange, the insulating sleeve, the wall of the wire feeder box and the insulating gasket from the outside of the wire feeder box and then extends into the wire feeder box, the welding gun base is fixed on the wall of the wire feeder box through a bolt connecting flange with a sealing ring sleeve, the welding cable terminal is installed at one end of the welding gun base, which is positioned outside the wire feeder box, and the welding gun base is sealed between the insulating sleeve and the wall of the wire feeder box by the O-shaped sealing ring. The welding gun base is fixed through an inner hexagonal cylindrical head screw.
As shown in fig. 3, the power cable interface includes a conductive cylinder, an insulating sleeve, an insulating sealing sleeve, an O-shaped sealing ring, a round nut, and a welding cable terminal, the conductive cylinder sequentially passes through the insulating sleeve, the wall of the wire feeder case, and the insulating sealing sleeve from the inside of the wire feeder case, and is fixed by the round nut, one end of the conductive cylinder inside the wire feeder case is screwed by a hexagon nut, one end of the conductive cylinder outside the wire feeder case is provided with the welding cable terminal, and the insulating sealing sleeve, the conductive cylinder, and the wire feeder case are sealed by the O-shaped sealing ring.
In this embodiment, the sealing motor is fixed on the bottom plate of the wire feeding case, the sealing motor includes a motor case, a stator, a rotor, a rear cover and a front cover, the rear cover is installed at the bottom of the motor case, the front cover is installed at the opening end of the motor case through a static sealing ring in a sealing manner, the stator is fixed in the motor case, the rotor rotating inside the stator is located in the stator, one end of the rotor is installed at the rear cover, and the other end of the rotor extends out of the front cover and is installed at the front cover through a dynamic sealing ring in a sealing manner. The speed reducing transmission mechanism comprises a speed reducing case, a worm wheel and a worm, the worm wheel and the worm are both arranged in the speed reducing case, the worm is connected with the output end of the sealed motor, the worm wheel is meshed with the worm, and the output shaft of the worm wheel extends out of the speed reducing case and is connected with the gear transmission mechanism. The gear transmission mechanism comprises a gear bracket, a driving wheel and a driven wheel set in the gear bracket, the driving wheel is arranged at one end of the output shaft of the worm wheel connected with the gear mechanism, and the driven wheel set driven by the driving wheel is meshed with the driving wheel; the driven wheel set comprises two driven wheels, one end of each driven wheel is provided with a wheel tooth meshed with the driving wheel, and the other end of each driven wheel is provided with an annular groove for the welding wire to pass through. The wire pressing mechanism comprises a wire pressing handle and two wire pressing wheel groups, the wire pressing wheel groups comprise wire pressing wheels and wire pressing wheel mounting plates, the wire pressing wheels are fixed on the wire pressing wheel mounting plates, one ends of the wire pressing wheel mounting plates are mounted on the wire feeding case, the two wire pressing wheels are respectively arranged on two driven wheels, the wire pressing handle is used for pressing the wire pressing wheel groups to the driven wheel groups, and the wire pressing handle is mounted in the middle of the two wire pressing wheel mounting plates. The wire pressing handle comprises a handle shaft and a handle nut. In the wire feeding machine box, a handle shaft mounting end is arranged between two driven wheels and above the driven wheels, a vertical cavity for accommodating and mounting the handle shaft is arranged at the handle shaft mounting end in the vertical direction, and a channel for a welding wire to pass through is arranged in the transverse direction. The handle shaft extends out from the space between the two wire pressing wheel mounting plates, a handle nut is mounted at the end part of the handle shaft, and the handle nut is screwed so as to tightly press the wire pressing wheel set to the driven wheel set. And a wire reel mechanism is arranged on the front side plate of the wire feeding case. The wire reel mechanism comprises a wire reel shaft, a wire reel, a compression nut and a wire reel supporting frame, wherein the wire reel supporting frame is installed in a wire feeder box, one end of the wire reel shaft is fixed on the wire reel supporting frame through a hexagon nut, a through hole matched with the wire reel shaft is formed in the middle of the wire reel for winding a welding wire, the wire reel shaft penetrates through the through hole of the wire reel, the wire reel is installed at the other end of the wire reel shaft through a spring sleeve and a yellow mold spring, and the compression nut compresses the wire reel to press the wire reel on the wire reel shaft. The joint of the gear support and the bottom plate of the wire feeding case adopts a mode of combining an insulating bolt sleeve and an insulating pad, so that the bolt connected with the bottom plate of the wire feeding case is not in direct contact connection with the gear support, and the insulation of the gear support and the inside and the outside of the wire feeding case is realized.
In the embodiment, the welding wire straightening mechanism and the welding wire detection mechanism are further included. The welding wire straightening mechanism is arranged on the outer side of the gear support and located between the welding wire reel mechanism and the gear support, the welding wire straightening mechanism is a cylinder, a through hole matched with the diameter of a welding wire is formed in the center of the cylinder, and the welding wire straightening mechanism is arranged on the outer side of the gear support. The welding wire detection mechanism comprises a conductive column, an insulating plate, a connecting plate, a shaft and a torsion spring, wherein one end of the shaft is fixed in the wire reel, the other end of the shaft is provided with the connecting plate through the torsion spring, the connecting plate is provided with the conductive column which is in contact with the welding wire, the insulating plate is arranged between the conductive column and the connecting plate, and the conductive column is electrically connected with the output end of the welding power supply. When the welding wire is sufficient, the conductive column is communicated with the welding wire and the output end of the welding power supply to form a loop; if the welding wire is insufficient, the loop is disconnected. Therefore, whether or not there is a margin in the welding wire can be determined by detecting whether or not the detection circuit of the welding wire is connected.
The wire feeding case, the motor case, the speed reducer case, the gear support and the like are all made of titanium alloy, and other components are made of titanium alloy materials with low density and corrosion resistance, so that the weight and the size of the equipment are obviously reduced, and the corrosion resistance is better. Secondly, the space is reduced as much as possible during design, the welding wire is in the order of one kilogram, and the wire pressing handle is also designed to be miniaturized. Therefore, the light-weight fully-sealed underwater automatic welding wire feeder also has the advantages of small volume and light weight.
The working process and principle of the invention are as follows: and (3) sealing and waterproofing the sealing motor and installing the sealing motor in a wire feeding case, wherein the wire reel is installed on a wire reel shaft. And the handle nut of the wire pressing handle is loosened, so that the wire pressing wheel moves upwards in a small range, and the pressure of the annular groove on the wire pressing wheel and the driven wheel on the welding wire is reduced. Drawing out the welding wire to enter a welding wire guide pipe, and then enabling the welding wire to pass through a welding wire straightening mechanism and enter a gear support; the welding wire passes through the annular groove on one driven wheel, then passes through the passage at the mounting end of the handle shaft, and then enters the welding gun interface after passing through the annular groove on the other driven wheel, and the welding gun is mounted on the welding gun interface. At the moment, the welding wire is adjusted to enable the welding wire in the annular groove to be located below the wire pressing wheel, the handle nut is screwed, the wire pressing wheel is pressed downwards on the welding wire, the welding wire is located between the wire pressing wheel and the driven wheel, namely the welding wire passes through a pressure channel formed between the wire pressing wheel and the driven wheel, the more the handle nut is screwed, the greater the pressure borne by the welding wire is, the proper tightness degree of the handle nut can be adjusted when the welding wire is installed, and the proper pressure of the welding wire is enabled to be. The connecting terminals are connected well, the visual panel is covered, and the visual panel is sealed and insulated. And then checking the tightness and the insulation of each interface of the wire feeding case, if the tightness and the insulation are not in problem, detecting whether a detection loop of the welding wire is communicated, and if the loop is communicated, indicating that the welding wire has a residual. At the moment, protective gas is filled into the wire feeding case through the gas path interface so as to balance the internal air pressure and the external water pressure of the case body. The welding gun and the sealing motor are started, the motor transmits power to the speed reduction transmission mechanism, the worm and gear rotate, the driving wheel rotates along with the driving wheel, the driven wheel is driven by the driving wheel to start rotating, the welding wire moves towards the direction of a welding gun interface, and therefore a subsequent wire reel can continuously rotate to release the wound welding wire, and the required welding wire is provided for welding.
The present invention is not limited to the above-described embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents and equivalents thereof, which are intended to be included in the scope of the present invention.
Claims (8)
1. Light-weight full-sealed underwater automatic welding wire feeder is characterized in that: the wire feeding machine box comprises a wire feeding machine box with a plurality of interfaces, a wire welding disc mechanism, a speed reducing transmission mechanism, a gear transmission mechanism, a wire pressing mechanism and a sealing motor with a sealing and waterproof function, wherein the wire welding disc mechanism, the speed reducing transmission mechanism, the gear transmission mechanism and the wire welding mechanism are hermetically insulated in the wire feeding machine box; the sealed motor comprises a motor case, a stator, a rotor, a rear cover and a front cover, wherein the rear cover is arranged at the bottom of the motor case, the front cover is arranged at the opening end of the motor case in a sealing manner through a static sealing ring, the stator is fixed in the motor case, the rotor rotating in the stator is positioned in the stator, one end of the rotor is arranged on the rear cover, and the other end of the rotor extends out of the front cover and is arranged on the front cover in a sealing manner through a movable sealing ring;
the welding wire detection mechanism comprises a conductive column, an insulating plate, a connecting plate, a shaft and a torsion spring, one end of the shaft is fixed on the wire feeding case, the other end of the shaft is provided with the connecting plate through the torsion spring, the conductive column which is in contact with the welding wire is arranged on the connecting plate, the insulating plate is arranged between the conductive column and the connecting plate, and the conductive column is electrically connected with the output end of the welding power supply.
2. The light-weight fully-sealed underwater automatic welding wire feeder according to claim 1, characterized in that: and the welding gun interface and the power cable interface are connected inside the wire feeding case through cables.
3. The light-weight fully-sealed underwater automatic welding wire feeder of claim 2, characterized in that: the welding gun interface comprises a welding gun base, a stainless steel flange, an insulating sleeve, an O-shaped sealing ring, an insulating gasket and a welding cable wiring terminal, wherein the welding gun base sequentially penetrates through the stainless steel flange, the insulating sleeve, the wall of the wire feeder box and the insulating gasket from the outside of the wire feeder box and then extends into the wire feeder box, the welding gun base is fixed on the wall of the wire feeder box through a bolt connecting flange with a sealing ring sleeve, the welding cable wiring terminal is installed at one end, located outside the wire feeder box, of the welding gun base, and the insulating sleeve and the wall of the wire feeder box are sealed through the O-shaped sealing ring.
4. The light-weight fully-sealed underwater automatic welding wire feeder of claim 2, characterized in that: the power cable interface comprises a conductive cylinder, an insulating sleeve, an insulating sealing sleeve, an O-shaped sealing ring, a round nut and a welding cable terminal, wherein the conductive cylinder sequentially penetrates through the insulating sleeve, the wall of a wire feeder box and the insulating sealing sleeve in the wire feeder box and is fixed by the round nut, one end of the conductive cylinder in the wire feeder box is screwed down by the hexagonal nut, the welding cable terminal is installed at one end of the conductive cylinder outside the wire feeder box, and the insulating sealing sleeve, the conductive cylinder and the wire feeder box are sealed by the O-shaped sealing ring.
5. The light-weight fully-sealed underwater automatic welding wire feeder of claim 1, characterized in that: the speed reducing transmission mechanism comprises a speed reducing case, a worm wheel and a worm, the worm wheel and the worm are both arranged in the speed reducing case, the worm is connected with the output end of the sealed motor, the worm wheel is meshed with the worm, and the output shaft of the worm wheel extends out of the speed reducing case and is connected with the gear transmission mechanism.
6. The light-weight fully-sealed underwater automatic welding wire feeder of claim 5, wherein: the gear transmission mechanism comprises a gear bracket, a driving wheel and a driven wheel set on the gear bracket, the driving wheel is arranged at one end of the output shaft of the worm wheel connected with the gear transmission mechanism, and the driven wheel set driven by the driving wheel is meshed with the driving wheel; the driven wheel set comprises two driven wheels, one end of each driven wheel is provided with a wheel tooth meshed with the driving wheel, and the other end of each driven wheel is provided with an annular groove for the welding wire to pass through.
7. The light-weight fully-sealed underwater automatic welding wire feeder according to claim 6, characterized in that: the wire reel mechanism comprises a wire reel, a wire reel shaft and a wire reel supporting frame, one end of the wire reel shaft is fixed on the wire reel supporting frame, the wire reel is installed on the wire reel shaft through a middle through hole, and the other end of the wire reel shaft is locked by a compression nut.
8. The light-weight fully-sealed underwater automatic welding wire feeder of claim 6, wherein: the wire pressing mechanism comprises a wire pressing handle and two wire pressing wheel sets, each wire pressing wheel set comprises a wire pressing wheel and a wire pressing wheel mounting plate, the wire pressing wheels are fixed on the wire pressing wheel mounting plates, one end of each wire pressing wheel mounting plate is mounted on a wire feeding machine box, the two wire pressing wheels are respectively arranged on two driven wheels and used for tightly pressing the wire pressing wheel sets in the middle of the two wire pressing wheel mounting plates through the wire pressing handles of the driven wheel sets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710444868.4A CN107127427B (en) | 2017-06-12 | 2017-06-12 | Light-weight full-sealed underwater automatic welding wire feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710444868.4A CN107127427B (en) | 2017-06-12 | 2017-06-12 | Light-weight full-sealed underwater automatic welding wire feeder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107127427A CN107127427A (en) | 2017-09-05 |
| CN107127427B true CN107127427B (en) | 2022-10-21 |
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| CN201710444868.4A Active CN107127427B (en) | 2017-06-12 | 2017-06-12 | Light-weight full-sealed underwater automatic welding wire feeder |
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| CN108213789A (en) * | 2018-01-26 | 2018-06-29 | 安徽臣诺机器人科技有限公司 | A kind of robot welding fracture of wire detects warning device |
| CN109570702B (en) * | 2018-12-10 | 2020-09-29 | 欧地希机电（青岛）有限公司 | Pneumatic wire withdrawing protection mechanism and wire feeder |
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| KR101129849B1 (en) * | 2010-05-28 | 2012-03-23 | 왕한우 | Apparatus for wire welding |
| CN102019483B (en) * | 2010-12-23 | 2012-10-10 | 清华大学 | Compact full-seal welding wire feeder |
| CN202763261U (en) * | 2012-08-09 | 2013-03-06 | 中国海洋石油总公司 | Box type underwater welding wire feed device |
| CN102825366A (en) * | 2012-09-25 | 2012-12-19 | 哈尔滨工业大学（威海） | Underground welding wire feeding device and application thereof |
| CN203936507U (en) * | 2014-06-19 | 2014-11-12 | 中国海洋石油总公司 | Portable underwater welding wire-feed motor |
| CN206882967U (en) * | 2017-06-12 | 2018-01-16 | 华南理工大学 | The hermetically sealed underwater automatic welding wire-feed motor of lightweight |
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