CN220943617U - High-power water-cooling welder of compact stock - Google Patents
High-power water-cooling welder of compact stock Download PDFInfo
- Publication number
- CN220943617U CN220943617U CN202322426747.0U CN202322426747U CN220943617U CN 220943617 U CN220943617 U CN 220943617U CN 202322426747 U CN202322426747 U CN 202322426747U CN 220943617 U CN220943617 U CN 220943617U
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- water
- wire feeding
- feeding pipe
- welding
- copper bar
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- 238000001816 cooling Methods 0.000 title claims abstract description 32
- 238000003466 welding Methods 0.000 claims abstract description 76
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 230000004907 flux Effects 0.000 claims abstract description 24
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052802 copper Inorganic materials 0.000 claims abstract description 20
- 239000010949 copper Substances 0.000 claims abstract description 20
- 238000009413 insulation Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000004321 preservation Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000001360 synchronised effect Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000008439 repair process Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005098 hot rolling Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
Landscapes
- Arc Welding In General (AREA)
Abstract
The utility model belongs to the field of automatic submerged arc surfacing equipment, and particularly relates to a compact long-rod high-power water-cooling welding gun which comprises a wire feeder, a wire feeding pipe, a welding gun water-cooling gun body, a Y-shaped welding flux blanking sleeve, a gun head and a conductive copper bar, wherein an outlet of the wire feeder is connected with the wire feeding pipe, the top of the wire feeding pipe is connected with the conductive copper bar, and the conductive copper bar is connected with an electrode of an electric welding machine; a water jacket is arranged on the outer side of the wire feeding pipe below the conductive copper bar, the lower end of the water jacket is communicated with the water inlet pipe, and the upper end of the water jacket is communicated with the water outlet pipe; the length of the lengthened section of the wire feeding pipe with the water jacket is 1000-1200 mm. Compared with the prior art, the utility model has the beneficial effects that: the method is suitable for repairing and overlaying the large-sized roller, and the lengthened welding gun can extend into a roller heat preservation furnace with high temperature of 400 ℃ to finish continuous overlaying operation.
Description
Technical Field
The utility model belongs to the field of automatic submerged arc surfacing equipment, and particularly relates to a compact long-rod high-power water-cooling welding gun.
Background
The welding gun is a main part for realizing welding in the welding process, and is flexible in use, convenient and quick, and simple in process. The working principle is as follows: the welding gun utilizes the large current of a welding machine power supply, heat generated by voltage is gathered at the terminal of a welding gun conducting nozzle, welding wires are melted, the melted welding wires infiltrate into the part to be welded, and after cooling, welded objects are firmly connected into a whole.
The water-cooling welding gun has a plurality of specification models, is mostly of a single-wire single-arc structure, and has two general structures for improving the deposition rate and achieving the effect of higher power output during high-power surfacing: 1) The double-wire double-arc (AC/DC) structure is completed by adopting two welding guns, two wire feeding mechanisms and two welding power supplies, wherein one power supply adopts AC output, the other power supply adopts DC output, the distance between the starting points of the welding is very close, and the two AC/DC welding power supplies work simultaneously, so that the two systems are mutually independent and do not influence each other. 2) The multi-wire multi-arc (direct current) structure improves the heat output by simply increasing the number of welding guns, namely more than two completely independent welding guns, a wire feeding system and a welding power supply are connected side by side and work together at the same time, so as to achieve the aim of larger heat output.
The roller is the most important production tool in iron and steel enterprises, abrasion consumption is large in use, the economic value of surfacing repair is huge, particularly, a large-sized roller is used as an important production tool in hot rolling production, the price is high, the economic benefit of repair is quite obvious, but the surfacing process requirement is strict, preheating is required before surfacing, the interlayer temperature is required to be strictly controlled during surfacing, stress relief heat treatment tempering is required after welding, so that surfacing machine tools and large-sized heat treatment furnaces are mainly used in many surfacing factories when surfacing large-sized rollers, and equipment occupies a large area and has large investment. The large-scale roller surface of build-up welding is longer, and hot rolling backing roll generally 1700~ 630 mm, in order to improve build-up welding efficiency, need adopt the synchronous build-up welding of many guns, because the space is limited, and the synchronous build-up welding degree of difficulty of many high-power welder is very big, if build-up welding 1700 backing roll, at most can hold 2~3 welder inserts synchronous build-up welding in the stove, seriously influences build-up welding efficiency, and intensity of labour is high, work efficiency is low.
Therefore, in a high-temperature environment of the furnace top, the position of one roller is limited when a plurality of rollers are synchronously built up, and the applicant is dedicated to research and develop a compact long-rod high-power water-cooling welding gun which can extend into a roller heat preservation furnace to finish synchronous build-up welding work, so that the aim of improving the build-up welding repair production efficiency of a large roller is fulfilled.
Disclosure of utility model
The utility model aims to provide a compact long-rod high-power water-cooling welding gun, which overcomes the defects of the prior art, is suitable for a surfacing repair process of a large-sized roller, and can extend into a roller heat preservation furnace with high temperature of 400 ℃ to finish surfacing.
In order to achieve the above purpose, the present utility model is realized by the following technical scheme:
The utility model provides a high-power water-cooling welder of compact stock, includes wire feeder, wire feeding pipe, welder water-cooled rifle body, Y type welding flux unloading cover, rifle head and electrically conductive copper bar, and wire feeder export is connected with wire feeding pipe, and wire feeding pipe top is connected with electrically conductive copper bar, and electrically conductive copper bar is connected with the electric welding machine electrode, and wire feeding pipe bottom is connected with welder contact tube through Y type welding flux unloading cover, and rifle head peripheral hardware welder contact tube sheath, its characterized in that, be equipped with the heat insulating board above the electrically conductive copper bar, be equipped with the water piping connection board on the heat insulating board, be equipped with inlet tube and outlet pipe on the water piping connection board; a water jacket is arranged on the outer side of the wire feeding pipe below the conductive copper bar, the lower end of the water jacket is communicated with the water inlet pipe, and the upper end of the water jacket is communicated with the water outlet pipe; the length of the lengthened section of the wire feeding pipe with the water jacket is 1000-1200 mm.
An air cooling nozzle is arranged on the heat insulating plate and is communicated with the compressed air pipeline.
The wire feeding pipe is connected with the water-cooled gun body of the welding gun through threads.
The gun head is connected with the water-cooled gun body of the welding gun through threads.
The motor on the wire feeder is a vertical forced air cooling motor.
One side of the Y-shaped flux blanking sleeve is provided with a flux interface, and the axis of the flux interface and the axis of the wire feeding tube form an included angle of 45 degrees which is favorable for blanking.
A water plug is arranged between the upper end and/or the lower end of the water jacket and the wire feeding pipe.
Compared with the prior art, the utility model has the beneficial effects that:
1) The synchronous overlaying problem of 4-5 high-power water-cooling welding guns which are suitable for the overlaying repair process of the large-sized roller is solved, and the production efficiency is improved by more than one time;
2) The lengthened high-power water-cooling welding gun body can extend into a high-temperature heat preservation furnace at 400 ℃ to finish the surfacing operation of a large-sized roller, so that the repairing efficiency is improved, and the stability of continuous surfacing for a long time is greatly improved;
3) The aluminum alloy heat insulation plate with good heat dissipation performance, the water jacket of the forced water cooling welding gun and the forced air cooling nozzle are arranged, so that the high temperature resistance performance is good, the welding gun is not easy to deform at high temperature, the high-power output of the welding gun is ensured, and the service life of the welding gun is prolonged;
4) The lengthening gun body is compact and reasonable in size, can meet the requirement of synchronous surfacing of 4-5 high-power welding guns, is good in use effect, convenient to replace a welding gun contact tip, and is particularly suitable for long-time continuous surfacing operation in a heating furnace.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a cross-sectional view taken along line B-B in FIG. 1;
Fig. 3 is a schematic perspective view of an embodiment of the present utility model.
In the figure: 1-welding gun conducting nozzle sheath, 2-water outlet pipe, 3-wire feeding pipe, 4-lengthened section, 5-welding gun water cooling gun body, 6-welding gun conducting nozzle, 7-water plug, 8-welding flux interface, 9-motor, 10-conducting copper bar, 11-water inlet pipe, 12-water jacket, 13-wire feeding machine, 14-Y-type welding flux blanking sleeve, 15-heat insulation board, 16-water pipe connecting plate and 17-air cooling nozzle.
Detailed Description
The technical solutions of the present utility model will be clearly and fully described below with reference to specific embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments.
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will briefly explain the embodiments that are needed in the embodiments or the prior art descriptions, and it is obvious that the embodiments in the following description are some embodiments of the present utility model and that other embodiments may be obtained according to these embodiments without inventive effort for a person skilled in the art.
The components of the embodiments of the present utility model generally described and illustrated in the specific embodiments herein can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as provided in the specific embodiments, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.
1-3, The embodiment of the utility model is a structural schematic diagram of a compact long-rod high-power water-cooling welding gun, which comprises a wire feeder 13, a wire feeding tube 3, a welding gun water-cooling gun body 5, a Y-shaped welding flux blanking sleeve 14 and a welding gun conducting nozzle 6 conducting copper bar 10, wherein an outlet of the wire feeder 13 is connected with the wire feeding tube 3, the top of the wire feeding tube 3 is connected with the conducting copper bar 10, the conducting copper bar 10 is connected with an electrode of an electric welding machine, the bottom end of the wire feeding tube 3 is connected with a gun head 6 through the Y-shaped welding flux blanking sleeve 14, and the wire feeding tube 3 is connected with the welding gun water-cooling gun body 5 through threads. The gun head 6 is connected with the water-cooled gun body 5 of the welding gun through threads, and the welding gun conducting nozzle sheath 1 is arranged outside the gun head. An alloy aluminum heat insulation plate 15 is arranged above the conductive copper bar 10, a water pipe connecting joint 16 is arranged on the alloy aluminum heat insulation plate 15, a water outlet pipe 11 is arranged on the water pipe connecting joint 16, and a water inlet pipe 2 is arranged below the water outlet pipe 11; the outside of the wire feeding pipe 3 below the conductive copper bar 10 is provided with a water jacket 12 for cooling the gun body, the lower end of the water jacket 12 is communicated with a water inlet pipe 11, and the upper end of the water jacket 12 is communicated with a water outlet pipe 2; the total length of the extension section 4 on the wire feeding pipe 3 with the water jacket 12 is 1000-1200 mm.
The heat insulating plate 15 is provided with a forced air cooling nozzle 17, the forced air cooling nozzle 17 is communicated with a compressed air pipeline, and the forced air cooling nozzle is used for cooling the wire feeding motor.
The motor 9 on the wire feeder 13 is a vertical air-cooled motor, so that adverse effects of high-temperature radiant heat in the heat preservation furnace on the motor are avoided. One side of the Y-shaped flux blanking sleeve 14 is provided with a flux interface 8, the axis of the flux interface 8 forms an angle of 45 degrees with the axis of the wire feeding tube 3, and the flux interface 8 is connected with an automatic flux conveying tank through a pipeline.
The lower end of the water jacket 12 is provided with a water inlet, the upper end is provided with a water outlet, and a water plug 7 is arranged between the upper end and/or the lower end of the water jacket 12 and the wire feeding pipe 3 to realize sealing. The water jacket 12 is cooled by water from the lower end, the water from the upper end takes away heat, a spacer bush between the water jacket and the wire feeding pipe is closed, and the cooling water cools the inner wall and the outer wall without influencing wire feeding.
In use, the welding gun is connected to the gun holder, and cooling water is introduced from the water inlet pipe 11 until water flows out of the water outlet pipe 2, which means that the water jacket 12 is filled with water. The flux valve plate is opened, so that flux continuously flows into the flux interface 8, the gun head 6 is buried in the flux, the motor 9 of the wire feeder 13 is started, and the welding wire is continuously conveyed until the surfacing operation is completed. The forced air cooling nozzle 17 continuously blows compressed air to the wire feeding motor, cools the motor, reduces high-temperature radiant heat in the furnace, avoids overheat of the motor during high-power operation, and ensures the stability of feeding.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a high-power water-cooling welder of compact stock, includes wire feeder, wire feeding pipe, welder water-cooled rifle body, Y type welding flux unloading cover, rifle head and electrically conductive copper bar, and wire feeder export is connected with wire feeding pipe, and wire feeding pipe top is connected with electrically conductive copper bar, and electrically conductive copper bar is connected with the electric welding machine electrode, and wire feeding pipe bottom is connected with welder contact tube through Y type welding flux unloading cover, and rifle head peripheral hardware welder contact tube sheath, its characterized in that, be equipped with the heat insulating board above the electrically conductive copper bar, be equipped with the water piping connection board on the heat insulating board, be equipped with inlet tube and outlet pipe on the water piping connection board; a water jacket is arranged on the outer side of the wire feeding pipe below the conductive copper bar, the lower end of the water jacket is communicated with the water inlet pipe, and the upper end of the water jacket is communicated with the water outlet pipe; the length of the lengthened section of the wire feeding pipe with the water jacket is 1000-1200 mm.
2. The compact long-rod high-power water-cooling welding gun according to claim 1, wherein the heat insulation plate is provided with an air cooling nozzle, and the air cooling nozzle is communicated with a compressed air pipeline.
3. The compact long-rod high-power water-cooled welding gun according to claim 1, wherein the wire feeding pipe is connected with the water-cooled welding gun body through threads.
4. The compact, long rod, high power, water cooled welding gun of claim 1, wherein the gun head is threadably connected to the gun body.
5. The compact long-rod high-power water-cooled welding gun according to claim 1, wherein the motor on the wire feeder is a vertical forced air-cooled motor.
6. The compact long-rod high-power water-cooling welding gun according to claim 1, wherein a welding flux interface is arranged on one side of the Y-shaped welding flux blanking sleeve, and an included angle of 45 degrees is formed between the axis of the welding flux interface and the axis of the wire feeding tube, so that blanking is facilitated.
7. The compact long rod high power water cooled welding gun of claim 1, wherein a water plug is provided between the upper and/or lower ends of the water jacket and the wire feed pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322426747.0U CN220943617U (en) | 2023-09-07 | 2023-09-07 | High-power water-cooling welder of compact stock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322426747.0U CN220943617U (en) | 2023-09-07 | 2023-09-07 | High-power water-cooling welder of compact stock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220943617U true CN220943617U (en) | 2024-05-14 |
Family
ID=90980931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322426747.0U Active CN220943617U (en) | 2023-09-07 | 2023-09-07 | High-power water-cooling welder of compact stock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220943617U (en) |
-
2023
- 2023-09-07 CN CN202322426747.0U patent/CN220943617U/en active Active
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