CN217452534U - Water-cooled submerged arc welding gun and operating system - Google Patents
Water-cooled submerged arc welding gun and operating system Download PDFInfo
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- CN217452534U CN217452534U CN202121512868.1U CN202121512868U CN217452534U CN 217452534 U CN217452534 U CN 217452534U CN 202121512868 U CN202121512868 U CN 202121512868U CN 217452534 U CN217452534 U CN 217452534U
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Abstract
The utility model belongs to the technical field of the welder technique and specifically relates to a water-cooled arc welding rifle and operating system bury is related to. The submerged arc welding gun comprises a welding gun body and a welding nozzle connected to one end of the welding gun body, a cooling pipeline which reciprocates in a circulating mode is arranged in the welding gun body, and a water inlet and a water outlet which are respectively communicated with the cooling pipeline are formed in the welding gun body. The cooling pipeline that circulates is reciprocal, has increased the area of contact of cooling pipeline and rifle body, and the heat that produces in the submerged arc welding rifle operation can be more fast and more evenly transmit to inside the cooling pipeline to take away through the cooling water, compare traditional submerged arc welding rifle's cooling method, the cooling effect is better, and the welder operation in-process temperature rise is lower, has reduced the incidence of failures such as welder electric conductivity difference, brittle failure, makes the welding seam have better welding quality and technological stability.
Description
Technical Field
The utility model belongs to the technical field of the welder technique and specifically relates to a water-cooled arc welding rifle and operating system bury is related to.
Background
In the manufacturing process of the submerged arc welding pipe, the temperature below an electric arc is more than 2500 ℃, the temperature of the end part of a welding wire can reach more than 6000 ℃, and a submerged arc welding gun is in a high-temperature baking state for a long time, so that the self conductivity and the wear resistance are greatly influenced. When welding, the maximum welding current is about 1800A, the current passing through the conductor with the cross section area generates extremely high temperature, and the temperature is higher and higher along with the time. High temperature can cause poor conductivity, brittle failure and other failures of the welding gun. Therefore, the working temperature of the welding gun is reduced, and the urgent need for improving the quality level of the submerged arc welding pipe is met.
The cooling water tank arranged in the gun body of the existing water-cooled submerged arc welding gun is a single pipeline, cooling water enters the cooling water tank from a lower position and is discharged from a higher position, the contact area between the single pipeline and the gun body is small, and the cooling effect is not good enough.
SUMMERY OF THE UTILITY MODEL
The utility model provides a water-cooled arc welder that buries to produce higher heat in alleviating submerged arc welding rifle operation, the submerged arc welding rifle is in the high temperature state of toasting for a long time, and current cooling trough is single pipeline, the not good problem of cooling effect.
In order to alleviate above-mentioned technical problem, the utility model provides a technical scheme lies in: the utility model provides a water-cooled arc welding rifle that buries, includes the welder rifle body and connects in the welding nozzle of welder rifle body one end, is provided with the reciprocal cooling tube way of circulation in the welder rifle body, and the welder rifle body is provided with water inlet and the delivery port that communicates with the cooling tube way respectively.
Furthermore, the cooling pipeline comprises a transverse pipeline and a longitudinal pipeline which are connected end to end in sequence.
Furthermore, the longitudinal pipeline comprises a first main pipeline, a second main pipeline and a third main pipeline which are arranged side by side, and the first main pipeline and the second main pipeline and the third main pipeline are connected through a transverse pipeline.
Furthermore, the water inlet is arranged at the upper part of the side wall of the welding gun body and is connected with the first main pipeline through a transverse pipeline; the water outlet is arranged at the lower part of the side wall of the welding gun body and is connected with the third main pipeline through a transverse pipeline.
Furthermore, the welding gun body and the welding tip are connected through a connecting piece.
Furthermore, one end of the welding nozzle connected with the connecting piece is provided with an internal thread, and one end of the connecting piece connected with the welding nozzle is provided with an external thread.
Furthermore, a welding wire through hole with the same diameter as the welding gun body is arranged in the connecting piece.
Furthermore, one end of the connecting piece, which is far away from the welding tip, is provided with an external thread, and the end part of the welding gun body, which is close to the welding tip, is provided with a gun body internal thread.
The utility model provides an operating system of water-cooled submerged arc welding gun, includes foretell water-cooled submerged arc welding gun and supporting device, and supporting device includes cooling water pump, and cooling water pump passes through pipe connection water inlet and delivery port.
Further, the cooling water pump and the submerged arc welding gun are arranged to be controlled by the same switch.
The utility model discloses water-cooled buries arc welder's beneficial effect analysis as follows:
the utility model discloses a reciprocating cooling pipeline of design circulation in submerged arc welding rifle cavity, internal water inlet and the delivery port that communicates with cooling pipeline respectively of being provided with of welder rifle.
The cooling water flows into the cooling pipeline through the water inlet, flows in the circulating reciprocating pipeline and is discharged through the water outlet, in the process, the circulating reciprocating cooling pipeline increases the contact area of the cooling pipeline and the gun body, heat generated in the operation of the submerged arc welding gun can be more quickly and uniformly transferred to the inside of the cooling pipeline and is taken away through the cooling water, compared with the cooling mode of the traditional submerged arc welding gun, the cooling effect is better, the temperature rise in the operation process of the welding gun is lower, the occurrence rate of faults of poor conductivity, brittle failure and the like of the welding gun is reduced, and the welding seam has better welding quality and process stability.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention or the related art, the drawings required to be used in the description of the embodiments or the related art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a water-cooled submerged arc welding gun according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view A-A of FIG. 1;
fig. 3 is a plan view of the water-cooled submerged arc welding gun according to the embodiment of the present invention.
Icon:
100-a torch body; 200-a welding tip; 300-a cooling circuit; 001-water inlet; 002-water outlet; 400-water inlet connection; 500-water outlet connection;
310-a transverse conduit; 320-longitudinal ducts; 321-a first main pipe; 322-a second main conduit; 323-a third main conduit;
600-a connector; 700-lower water sealing and blocking; 800-fixing holes; 900-top sealing water blocking; 1000-side water sealing and blocking;
610-wire pass through hole; 620-external threads; 210-internal threads; 110-gun body internal threads.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "physical quantity" in the formula, unless otherwise noted, is understood to mean a basic quantity of a basic unit of international system of units, or a derived quantity derived from a basic quantity by a mathematical operation such as multiplication, division, differentiation, or integration.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the manufacturing process of the submerged arc welding pipe, the temperature below an electric arc is more than 2500 ℃, the temperature of the end part of a welding wire can reach more than 6000 ℃, and a submerged arc welding gun is in a high-temperature baking state for a long time, so that the self conductivity and the wear resistance are greatly influenced. When welding, the maximum welding current is about 1800A, the current passing through the conductor with the cross section area generates extremely high temperature, and the temperature is higher and higher along with the time. High temperature can cause poor conductivity, brittle failure and other failures of the welding gun. Therefore, the working temperature of the welding gun is reduced, and the urgent need for improving the quality level of the submerged arc welding pipe is met.
The cooling water tank arranged in the gun body of the existing water-cooled submerged arc welding gun is a single pipeline, cooling water enters the cooling water tank from a lower position and is discharged from a higher position, the contact area of the single pipeline and the gun body is smaller, and the cooling effect is not good enough.
In view of this, the utility model provides a water-cooled submerged arc welding gun, please refer to fig. 1 to 3 together, and submerged arc welding gun includes welder rifle body 100 and connects the welding tip 200 in welder rifle body one end, is provided with the cooling pipeline 300 that circulates and reciprocates in the welder rifle body 100, is provided with water inlet 001 and the delivery port 002 that communicates with cooling pipeline 300 respectively in the welder rifle body 100.
Cooling water flows into the cooling pipeline 300 through the water inlet 001, flows in the circulating reciprocating pipeline, and is discharged through the water outlet 002, in the process, the circulating reciprocating cooling pipeline 300 increases the contact area of the cooling pipeline 300 and the gun body 100, heat generated in the operation of the submerged arc welding gun can be more quickly and uniformly transferred to the inside 300 of the cooling pipeline, and is taken away through the cooling water, compared with the cooling mode of the traditional submerged arc welding gun, the cooling effect is better, the temperature rise in the operation process of the welding gun is lower, the occurrence rate of faults of poor conductivity, brittle failure and the like of the welding gun is reduced, and the welding seam has better welding quality and process stability.
In an alternative of this embodiment, the cooling pipeline 300 includes the transverse pipelines 310 and the longitudinal pipelines 320, the transverse pipelines 310 and the longitudinal pipelines 320 are connected end to end in sequence, the larger the number of the transverse pipelines 310 and the longitudinal pipelines 320 is, the larger the contact area between the cooling pipeline 300 and the gun body 100 is, but as the number of the pipelines is increased, the smaller the pipeline aperture is, and the smaller the cooling water flow rate is. The cooling pipeline 300 inside the welding gun body 100 is formed by drilling, and in actual operation, the number of the transverse pipelines 310 and the longitudinal pipelines 320 can be determined according to the size of the internal space of the gun body and the actual processing difficulty.
In an alternative of this embodiment, please refer to fig. 2, the longitudinal duct 320 includes a first main duct 321, a second main duct 322 and a third main duct 323 arranged side by side, and the first main duct 321 and the second main duct 322, and the second main duct 322 and the third main duct 323 are connected by a transverse duct 310. The three longitudinal pipelines 320 have the advantages of moderate flow rate of cooling water in the pipelines, moderate processing difficulty and convenient preparation.
The cooling water tank arranged in the gun body 100 of the existing water-cooled submerged arc welding gun is a single pipeline, cooling water enters the cooling water tank from a lower position and is discharged from a higher position, the cooling water flows from bottom to top, extra energy is consumed to drive the cooling water to flow, water flows from the lower position to the higher position, and the water flow rate is lower.
In view of this, in an alternative of this embodiment, the water inlet 001 is disposed at an upper portion of the sidewall of the torch body 100, and the water inlet 001 communicates with the first main pipe 321; the water outlet 002 is arranged at the lower part of the side wall of the welding gun body 100, and the water outlet 002 is communicated with the third main pipeline 323. The cooling water flows in from the water inlet 001 that is located welder rifle body 100 lateral wall upper portion, flows out from the delivery port 002 that is located welder rifle body 100 lateral wall lower part behind cooling tube 300, and under the action of gravity, the velocity of flow of cooling water is very fast, and vertical pipeline 320 is longer, and the velocity of flow of cooling water is fast, and the area of contact of cooling tube 300 and welder rifle body 100 is big more, and the cooling effect is better.
The cooling pipeline 300 in this embodiment is preferably manufactured by a drilling process, and first, three vertical deep holes with large length-diameter ratio are drilled from the top of the welding gun body 100 as the longitudinal pipeline 320, tapping is performed on the top, and three top water plugs 900 are screwed in; then, a transverse pipeline 310 is processed from the right side of the upper part of the welding gun body 100, so that the second main pipeline 322 and the third main pipeline 323 are communicated through the transverse pipeline 310, the right side of the upper part of the gun body is tapped, and a side water sealing plug 1000 is screwed in; then, a transverse pipeline 310 is processed from the left side of the lower part of the welding gun body 100 to communicate a second main pipeline 322 and a first main pipeline 321, and the left side of the lower part of the gun body is tapped and screwed into a lower water sealing plug 700; finally, the first main pipe 321 is drilled in the horizontal direction from the upper part of the welding gun body 100, the end part is tapped, the water inlet connector 400 is screwed in, the third main pipe 323 is drilled in the horizontal direction from the lower part of the welding gun body 100, the end part is tapped, and the water outlet connector 500 is screwed in. Anaerobic glue is coated on the water plug and the joint connecting thread part to play a role in sealing.
The flow of water in the cooling circuit 300 is described as follows:
the cooling water flows into the cooling pipeline 300 from the water inlet 001 located at the upper part of the side wall of the welding gun body 100, then flows into the first main pipeline 321 in the vertical direction, then flows through the transverse pipeline 310, the second main pipeline 322, the transverse pipeline 310 and the third main pipeline 323 in sequence, and finally flows out from the water outlet 002 located at the lower part of the side wall of the welding gun body 100. Because the longitudinal pipeline 320 extends from the upper part of the welding gun body 100 to the lower part of the welding gun body, the cooling water flows in the inner space of the welding gun body in a reciprocating mode three times, the contact area between the cooling pipeline 300 and the welding gun body 100 is increased, heat generated in the submerged arc welding gun operation can be transferred into the cooling pipeline 300 more quickly and uniformly, the cooling water flows out from the lower water outlet 002 after flowing in from the higher water inlet 001, the flow rate of the cooling water is higher, the heat generated in the operation can be taken away more quickly, compared with the cooling mode of the traditional submerged arc welding gun, the cooling effect is better, the temperature rise in the welding gun operation process is lower, the occurrence rate of faults of poor conductivity, brittle failure and the like of the welding gun is reduced, and the welding seam has better welding quality and process stability.
After the submerged arc welding gun works for a period of time, the welding tip 200 needs to be replaced, and one end of the traditional welding tip 200, which is connected with the welding gun body 100, is of an external thread structure and is directly screwed into the internal thread 110 of the gun body. In the process of replacing the welding tip 200, a worker carelessly drops the welding tip 200 on the ground to cause the problem of knocking and damaging the external thread part, so that the welding tip 200 of nearly one hundred yuan is directly scrapped.
In view of this, referring to fig. 1, the water-cooled submerged arc welding gun according to the present invention is provided with a connecting member 600 between the welding gun body 100 and the welding tip 200, wherein the connecting member 600 is provided with an internal thread 210 at one end connected to the connecting member 600, and the connecting member 600 is provided with an external thread 620 at one end connected to the welding tip 200. The external thread 620 of the welding tip 200 and the internal thread 210 of the connection member 600 are threadedly coupled. The connection part of the welding tip 200 is changed from the original external thread 620 to the internal thread 210, so that when the welding tip accidentally drops, the damage of a fragile thin-wall thread part is avoided, and the rejection rate of the welding tip 200 is reduced.
In an alternative embodiment, the inside of the connector 600 is provided with a welding wire passage hole 610 having the same diameter as the welding gun body 100, thereby ensuring that the welding wire can pass through the connector 600.
In the alternative of this embodiment, an external thread 620 is provided at an end of the connecting member 600 away from the welding tip 200, an internal thread 110 of the torch body is provided at an end of the torch body 100 close to the welding tip 200, and the internal thread 110 of the torch body is screwed with the external thread 620 at an end of the connecting member 600 away from the welding tip 200.
In summary, the connecting member 600 in the embodiment can achieve the following technical effects:
1. the connecting piece 600 is provided with an external thread 620 at one end connected with the welding tip 200 and is in threaded connection with the internal thread 210 of the welding tip 200, the connecting part of the welding tip 200 is changed from the original external thread 620 to the internal thread 210, the structure is optimized, the daily maintenance is safe and convenient, and the welding tip 200 can hardly be damaged and scrapped when being replaced;
2. the connecting piece 600 is provided with external threads 620 at one end connected with the gun body and is in threaded connection with the internal threads 110 of the gun body, the structure of the internal threads 110 of the gun body of the welding gun is unchanged, and the welding gun has good interchangeability in the installation process and is convenient to operate;
3. the inner diameter of the welding wire through hole 610 arranged in the connecting piece 600 is the same as that of the welding gun body 100, so that the welding wire can smoothly pass through the connecting piece 600.
Example two
The embodiment provides a water-cooled operating system who buries arc welder, including foretell water-cooled arc welder and supporting device, supporting device includes the welding arm, and the afterbody that the arc welder was buried to the water-cooled is provided with fixed orifices 800, and welder passes through fixed orifices 800 and connects the welding arm, sends welder to required welded position through the welding arm to improve labor efficiency, reduce workman intensity of labour.
Furthermore, the matching device also comprises a cooling water pump, the end part of a water inlet pipe of the cooling water pump is connected with the water inlet connector 400 of the welding gun, and the end part of a water return pipe of the cooling water pump is connected with the water outlet connector 500 of the welding gun. Comparatively preferred, inlet tube and wet return are adorned in the welding arm, avoid the water pipe to place in disorder, and the production site becomes neat, pleasing to the eye, and the operation is safer.
In an alternative of this embodiment, the cooling water pump and the submerged arc welding gun are arranged to be controlled by the same switch. When welding starts, the cooling water pump is started simultaneously, cooling water flows into the welding gun water inlet 001 from the water inlet pipe, flows in the cooling pipeline 300 in a circulating reciprocating mode, flows into the water return pipe through the water outlet 002, and finally flows back to the cooling water pump. The cooling water pump and the submerged arc welding gun are controlled by the same switch, so that the operation is simple, the opening and closing of the cooling water path are synchronous with the welding operation, and extra labor and learning cost of workers are not required.
The concrete working process of the water-cooled submerged arc welding gun operating system is described as follows:
when welding operation is required, the welding gun is conveyed to a position required to be welded through the welding arm, a switch of the submerged arc welding gun is turned on, the cooling water pump is started simultaneously, cooling water flows into a water inlet 001 of the welding gun through the water inlet pipe, then flows through the first main pipe 321 in the vertical direction, then sequentially flows through the transverse pipe 310, the second main pipe 322, the transverse pipe 310 and the third main pipe 323, finally flows out of the water outlet 002, flows back to the cooling water pump through the water return pipe, can carry out circulating cooling to submerged arc welding gun under the effect of cooling water pump to can constantly take away the heat that the operation produced, compare traditional submerged arc welding gun's cooling method, the cooling line 300 heat transfer effect of circulation reciprocating is better, and the temperature rise is lower in the welder operation process, has reduced the incidence of faults such as welder poor conductivity, brittle failure, makes the welding seam have better welding quality and technological stability.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (9)
1. The utility model provides a water-cooled submerged arc welding gun, includes the welder rifle body (100) and connect in welding nozzle (200) of welder rifle body (100) one end, its characterized in that: a cooling pipeline (300) which reciprocates circularly is arranged in the welding gun body (100), and the welding gun body (100) is provided with a water inlet (001) and a water outlet (002) which are respectively communicated with the cooling pipeline (300);
the cooling pipeline (300) comprises a transverse pipeline (310) and a longitudinal pipeline (320), and the transverse pipeline (310) and the longitudinal pipeline (320) are sequentially connected end to end.
2. The water-cooled submerged arc welding gun according to claim 1,
vertical pipeline (320) include three first trunk line (321), second trunk line (322) and third trunk line (323) that set up side by side, first trunk line (321) with between second trunk line (322), second trunk line (322) with all through one between third trunk line (323) horizontal pipeline (310) are connected.
3. The water-cooled submerged arc welding gun according to claim 2,
the water inlet (001) is arranged at the upper part of the side wall of the welding gun body (100), and the water inlet (001) is connected with the first main pipeline (321) through a transverse pipeline (310);
the water outlet (002) is arranged at the lower part of the side wall of the welding gun body (100), and the water outlet (002) is connected with the third main pipeline (323) through a transverse pipeline (310).
4. The water-cooled submerged arc welding gun according to claim 1,
the welding gun body (100) is connected with the welding tip (200) through a connecting piece (600).
5. The water-cooled submerged arc welding gun according to claim 4,
welding nozzle (200) connect in the one end of connecting piece (600) is provided with internal thread (210), connecting piece (600) with the one end that welding nozzle (200) are connected is provided with external screw thread (620).
6. The water-cooled submerged arc welding gun according to claim 4,
and a welding wire through hole (610) with the same aperture as that of the welding gun body (100) is formed in the connecting piece (600).
7. The water-cooled submerged arc welding gun according to claim 4,
the welding gun is characterized in that an external thread (620) is arranged at one end, deviating from the welding tip (200), of the connecting piece (600), and a gun body internal thread (110) is arranged at the end, close to the welding tip (200), of the welding gun body (100).
8. An operating system of a water-cooled submerged arc welding gun, characterized by comprising the water-cooled submerged arc welding gun according to any one of claims 1 to 7 and a matching device, wherein the matching device comprises a cooling water pump, and the cooling water pump is connected with the water inlet (001) and the water outlet (002) through a conduit.
9. The water-cooled submerged arc welding gun operating system according to claim 8,
the cooling water pump and the submerged arc welding gun are controlled by the same switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121512868.1U CN217452534U (en) | 2021-07-05 | 2021-07-05 | Water-cooled submerged arc welding gun and operating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121512868.1U CN217452534U (en) | 2021-07-05 | 2021-07-05 | Water-cooled submerged arc welding gun and operating system |
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| Publication Number | Publication Date |
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| CN217452534U true CN217452534U (en) | 2022-09-20 |
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| CN202121512868.1U Active CN217452534U (en) | 2021-07-05 | 2021-07-05 | Water-cooled submerged arc welding gun and operating system |
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2021
- 2021-07-05 CN CN202121512868.1U patent/CN217452534U/en active Active
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