CN211162555U - Welding-following chilling device - Google Patents
Welding-following chilling device Download PDFInfo
- Publication number
- CN211162555U CN211162555U CN201922331326.3U CN201922331326U CN211162555U CN 211162555 U CN211162555 U CN 211162555U CN 201922331326 U CN201922331326 U CN 201922331326U CN 211162555 U CN211162555 U CN 211162555U
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- China
- Prior art keywords
- gas
- tank cover
- welding
- cooling
- tank body
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- Expired - Fee Related
Links
- 239000007789 gas Substances 0.000 claims abstract description 53
- 238000003466 welding Methods 0.000 claims abstract description 50
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 39
- 238000001816 cooling Methods 0.000 claims abstract description 37
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 238000003860 storage Methods 0.000 claims description 8
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000001307 helium Substances 0.000 claims description 3
- 229910052734 helium Inorganic materials 0.000 claims description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 4
- 230000001681 protective effect Effects 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004964 aerogel Substances 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
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- Arc Welding In General (AREA)
Abstract
The utility model discloses a along with welding chilling plant, including gas bomb, cooling device and welder subassembly, last air inlet and the gas outlet of being equipped with of cooling device is connected with first gas-supply pipe between gas bomb and cooling device's the air inlet, is connected with the second gas-supply pipe between the gas outlet of welder subassembly and gas bomb. The cooling device comprises a tank body for containing liquid nitrogen, a tank cover with the diameter slightly smaller than the inner diameter of the tank body is arranged at the top of the tank body, and an adjusting device for driving the tank cover to move up and down is connected between the tank cover and the tank body; the air inlet and the air outlet are arranged on the tank cover, the cooling pipe which is spirally arranged in a surrounding manner is fixedly connected below the tank cover, and two ends of the cooling pipe are respectively connected with the air inlet and the air outlet. The device cools protective gas through liquid nitrogen, and the gas after cooling cools down the welding seam, helps controlling the residual stress and the deformation of welding seam, reduces the welding seam defect, improves welding quality.
Description
Technical Field
The utility model belongs to the technical field of welding equipment, concretely relates to along with welding chilling device.
Background
The welding-following chilling technology is that a cold source moving along with a conventional welding heat source is applied at a certain distance behind the conventional welding heat source, so that a welding seam area is rapidly cooled, the residual stress of the welding seam is reduced, and the welding deformation is controlled. Compared with the measures of controlling deformation before welding or after welding, the technology can save a large amount of time, can better reduce and control the residual stress and deformation of welding, and is an important development direction of modern welding technology.
Related technicians provide a heat source-heat sink system, in the welding process, the local quenching of the welding seam still in a high-temperature state is carried out through water cooling to obtain a strong stretching effect, the development of plastic strain of the welding seam and a near seam area is controlled, and the size and the range of plastic deformation are reduced, so that the aims of controlling welding residual stress and welding deformation are fulfilled. However, in actual production, due to the existence of high reinforcement at the welding seam, the heat sink and the heat source cannot be close to each other, so that the control of welding residual stress and deformation is limited. In addition, because the laser (water) is directly sprayed on the welding seam, the welding seam defect can be caused, and the welding seam quality is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a along with welding chilling device, aim at solve current along with welding in the chilling technique, the problem of defect is caused on the welding seam to the direct injection of chilling economy.
Therefore, the utility model adopts the following technical scheme:
a welding-following chilling device comprises a gas storage bottle, a cooling device and a welding gun assembly, wherein the cooling device is provided with a gas inlet and a gas outlet, a first gas pipe is connected between the gas storage bottle and the gas inlet of the cooling device, and a second gas pipe is connected between the welding gun assembly and the gas outlet of the gas storage bottle;
the cooling device comprises a tank body for containing liquid nitrogen, a tank cover with the diameter slightly smaller than the inner diameter of the tank body is arranged at the top of the tank body, and an adjusting device for driving the tank cover to move up and down is connected between the tank cover and the tank body; the air inlet and the air outlet are arranged on the tank cover, the cooling pipe which is spirally arranged in a surrounding manner is fixedly connected below the tank cover, and two ends of the cooling pipe are respectively connected with the air inlet and the air outlet.
Further, the gas stored in the gas bomb is carbon dioxide, nitrogen, argon or helium.
Furthermore, the adjusting device comprises two vertical guide rods arranged in the tank body, the top ends of the guide rods penetrate through the tank cover, a vertical screw rod is further arranged in the tank body, and the top end of the vertical screw rod penetrates through the tank cover and is in threaded connection with the tank cover; the top of the vertical screw rod is also connected with a hand wheel, and the hand wheel can be rotated to drive the tank cover to move up and down along the guide rod.
Furthermore, the cooling pipe is made of a copper pipe.
Further, the outer side of the tank body is wrapped with a heat insulation layer.
The beneficial effects of the utility model reside in that: the device cools the protective gas through liquid nitrogen, and the cooled gas cools the welding line, so that the residual stress and deformation of the welding line can be controlled, the welding line defect can be reduced, and the welding quality can be improved; the hand wheel is rotated to adjust the depth of the cooling pipe immersed in the liquid nitrogen, so that the temperature of the gas can be adjusted conveniently, and the adaptability and the application range of the device are improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a front view of the cooling device of the present invention;
FIG. 3 is a top view of FIG. 2;
in the figure: 1-gas storage bottle, 2-welding gun component, 21-gas outlet pipe, 22-welding gun, 23-laser heat source, 3-first gas pipe, 4-second gas pipe, 5-tank body, 6-heat insulation layer, 7-tank cover, 8-guide rod, 9-vertical screw rod, 10-hand wheel, 11-cooling pipe and 12-sealing cover.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in figures 1-3, a along with welding chilling plant, including gas bomb 1, cooling device and welder subassembly 2, be connected with first gas-supply pipe 3 between gas bomb 1 and the cooling device, be connected with second gas-supply pipe 4 between welder subassembly 2 and the gas bomb 1, during the first gas-supply pipe 3 of gas accessible in the gas bomb 1 got into cooling device, gas arrived welder subassembly 2 department through second gas-supply pipe 4 after the cooling, gas after the cooling can cool off the welding seam. Wherein, the utility model discloses the gas of storage of gas bomb 1 is carbon dioxide, nitrogen gas, argon gas or helium, and first gas-supply pipe 3 and second gas-supply pipe 4 adopt the hose material. The welding gun assembly 2 comprises a welding gun 22, a laser heat source 23 in front of the welding gun 22 and an air outlet pipe 21 behind the welding gun 22, and the first air conveying pipe 3 is connected with the air outlet pipe 21.
The cooling device comprises a cylindrical tank body 5 for containing liquid nitrogen, and in order to delay the vaporization speed of the liquid nitrogen, the outer surface of the tank body 5 is wrapped by a heat insulation layer 6, and the heat insulation layer 6 can be made of a vacuum plate, asbestos or aerogel felt and the like. The internal two vertical metal guide bars 8 that are equipped with of jar 5, outside the top of guide bar 8 stretched out jar body 5, still was equipped with a vertical screw rod 9 between two guide bars 8, and the lower extreme of vertical screw rod 9 passes through bearing frame and jar body 5 bottom swing joint, and the top of vertical screw rod 9 is parallel and level with 8 top looks parallel and level of guide bar, still is connected with hand wheel 10 on the top of vertical screw rod 9. A round tank cover 7 is sleeved on the guide rod 8, the tank cover 7 is in clearance fit with the inner wall of the tank body 5, the tank cover 7 is movably connected with the guide rod 8 and is in threaded connection with the vertical screw rod 9, and the tank cover 7 can be driven to move up and down along the guide rod 8 by rotating the hand wheel 10.
Two vertical through holes are formed in the tank cover 7, the two through holes form an air inlet and an air outlet respectively, the first air conveying pipe 3 is connected to the air inlet, and the second air conveying pipe 4 is connected to the air outlet. A copper cooling pipe 11 which is spirally arranged in a surrounding manner is fixedly connected below the tank cover 7, and two ends of the cooling pipe 11 are respectively connected with the air inlet and the air outlet. After entering the cooling pipe 11 through the gas inlet, the gas in the gas cylinder 1 flows around the spiral pipeline until being discharged from the gas outlet. The top of the tank cover 7 is also provided with a liquid nitrogen inlet for adding liquid nitrogen, and the liquid nitrogen inlet is connected with a sealing cover 12. In order to slow down the vaporization rate of the liquid nitrogen, the top of the tank cover 7 can also be provided with a heat insulating layer 6.
The working principle of the utility model is as follows:
during the use, at first set up welder subassembly 2 in welding seam department, TIG welder of welder subassembly 2 chooseing for use from taking walking module, then adjust the distance and the height between welder and the welding seam, the rethread liquid nitrogen import is with liquid nitrogen injection jar body 5 in. Then open gas bomb 1, protective gas in the gas bomb 1 reaches TIG welder department after through first gas-supply pipe 3, cooling tube 11 and second gas-supply pipe 4, rotates hand wheel 10 and can drive cooling tube 11 of cover 7 and bottom and remove along guide bar 8 to the degree of depth that cooling tube 11 immerges the liquid nitrogen is adjusted, thereby changes the length of air current flow stroke, is convenient for adjust the temperature, waits to open welder after the air current temperature is steady and begins the welding operation.
It should be noted that the above are only some embodiments of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (6)
1. A welding-following chilling device is characterized by comprising a gas storage bottle (1), a cooling device and a welding gun component (2), wherein the cooling device is provided with a gas inlet and a gas outlet, a first gas pipe (3) is connected between the gas storage bottle (1) and the gas inlet of the cooling device, and a second gas pipe (4) is connected between the welding gun component (2) and the gas outlet of the gas storage bottle (1);
the cooling device comprises a tank body (5) for containing liquid nitrogen, a tank cover (7) with the diameter slightly smaller than the inner diameter of the tank body (5) is arranged at the top of the tank body (5), and an adjusting device for driving the tank cover (7) to move up and down is connected between the tank cover (7) and the tank body (5); the air inlet and the air outlet are arranged on the tank cover (7), a cooling pipe (11) which is spirally arranged in a surrounding manner is fixedly connected below the tank cover (7), and two ends of the cooling pipe (11) are respectively connected with the air inlet and the air outlet.
2. A welding quench apparatus according to claim 1 characterized in that the stored gas of said gas cylinder (1) is carbon dioxide, nitrogen, argon or helium.
3. A chilling device according to claim 1, wherein the adjusting device comprises two vertical guide rods (8) arranged in the tank body (5), the top ends of the guide rods (8) penetrate through the tank cover (7), a vertical screw (9) is further arranged in the tank body (5), and the top end of the vertical screw (9) penetrates through the tank cover (7) and is in threaded connection with the tank cover (7); the top of the vertical screw rod (9) is also connected with a hand wheel (10), and the cover (7) can be driven to move up and down along the guide rod (8) by rotating the hand wheel (10).
4. A chilling device according to claim 1, wherein the top of the tank cover (7) is further provided with a liquid nitrogen inlet, and the liquid nitrogen inlet is provided with a sealing cover (12).
5. A chilling device with welding according to claim 1, wherein the cooling tube (11) is made of copper tube.
6. A follow on quench device according to claim 1, characterized in that the outside of the vessel (5) is wrapped with an insulating layer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922331326.3U CN211162555U (en) | 2019-12-23 | 2019-12-23 | Welding-following chilling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922331326.3U CN211162555U (en) | 2019-12-23 | 2019-12-23 | Welding-following chilling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211162555U true CN211162555U (en) | 2020-08-04 |
Family
ID=71793640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922331326.3U Expired - Fee Related CN211162555U (en) | 2019-12-23 | 2019-12-23 | Welding-following chilling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211162555U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111922519A (en) * | 2020-08-10 | 2020-11-13 | 西安建筑科技大学 | Laser welding device |
| CN113500325A (en) * | 2021-06-11 | 2021-10-15 | 跃维(佛山)智能科技有限公司 | Intelligent welding device with automatic quick cooling system |
| CN117943668A (en) * | 2024-03-05 | 2024-04-30 | 常州有钊金属制品有限公司 | Electro-gas welding robot |
-
2019
- 2019-12-23 CN CN201922331326.3U patent/CN211162555U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111922519A (en) * | 2020-08-10 | 2020-11-13 | 西安建筑科技大学 | Laser welding device |
| CN113500325A (en) * | 2021-06-11 | 2021-10-15 | 跃维(佛山)智能科技有限公司 | Intelligent welding device with automatic quick cooling system |
| CN117943668A (en) * | 2024-03-05 | 2024-04-30 | 常州有钊金属制品有限公司 | Electro-gas welding robot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200804 |