CN220498174U - Back argon protection device for welding - Google Patents
Back argon protection device for welding Download PDFInfo
- Publication number
- CN220498174U CN220498174U CN202322014245.7U CN202322014245U CN220498174U CN 220498174 U CN220498174 U CN 220498174U CN 202322014245 U CN202322014245 U CN 202322014245U CN 220498174 U CN220498174 U CN 220498174U
- Authority
- CN
- China
- Prior art keywords
- shell
- devices
- silica gel
- protection device
- argon protection
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- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 229910052786 argon Inorganic materials 0.000 title claims abstract description 41
- 238000003466 welding Methods 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 32
- 239000007789 gas Substances 0.000 claims abstract description 12
- 238000009423 ventilation Methods 0.000 claims abstract description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 30
- 239000000741 silica gel Substances 0.000 claims description 30
- 229910002027 silica gel Inorganic materials 0.000 claims description 30
- 238000005253 cladding Methods 0.000 claims description 19
- 235000014676 Phragmites communis Nutrition 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 244000273256 Phragmites communis Species 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Landscapes
- Arc Welding In General (AREA)
Abstract
The utility model discloses a back argon protection device for welding, which comprises a plurality of shell devices which are connected in series in a hinging manner and used for filling argon, wherein adjacent shell devices are connected in series in a hinging manner through a connecting device, a vent hole is formed in the center of the connecting device and used for conveying the argon among the shell devices, through holes are densely distributed on the inner side of the shell devices for ventilation, and the end parts of the shell devices on two sides are respectively connected with a sealing head device and an inflation inlet device. The utility model is provided with a plurality of shell devices, and the adjacent shell devices are connected, rotated and ventilated through the connecting device, so that the purpose of adapting to the protection of argon gas on the back of cylinders with different specifications is achieved.
Description
Technical Field
The utility model relates to the technical field of boilers and pressure vessels, in particular to a back argon protection device for welding.
Background
The stainless steel device is mainly applied to industries such as coal chemical industry, petrochemical industry and the like, and with the large-scale development of the coal chemical industry, the improvement and the expansion production of product and yield requirements provide a wide market and a good development opportunity for the manufacture of the stainless steel device. The alloy content of the stainless steel is higher, if no gas is used for protecting a molten pool during welding, high-temperature deposited metal can be oxidized by air, the strength, toughness and intergranular corrosion performance of a welding line are greatly reduced, and the service life of a product is shortened, so that argon filling protection is needed.
At present, the conventional back argon protection devices mainly comprise two types: and (3) overall argon filling and local argon filling. The whole argon filling is usually used for small-pipe butt joint or a container with smaller volume and easy sealing, and has larger argon filling difficulty and overhigh cost for a tank body with large volume; local argon filling is generally suitable for a large-volume tank body, different cylinder specifications and inner diameters are suitable for different argon filling devices, so that the argon filling devices have various specifications and low utilization rate, and the manufacturing cost is increased while the occupied space is occupied.
Disclosure of Invention
In order to solve the technical problems, the utility model designs the back argon protection device for welding, which is suitable for back argon filling of longitudinal circular seams of large-volume tank bodies with different specifications, solves the problem that different argon filling devices are needed for local back argon filling with different cylinder specifications, reduces the manufacturing cost and reduces the storage space.
The utility model adopts the following technical scheme:
the utility model provides a back argon protection device for welded, includes a plurality of articulated shell devices that are used for filling argon that establish ties, articulates between adjacent shell devices has connecting device, and the air vent has been seted up at connecting device center for the argon gas is carried between the shell devices, and the shell device inboard is densely covered with the through-hole and is ventilated, and the tip of both sides shell device is connected with head device and inflation inlet device respectively.
Preferably, the shell device comprises a shell, a sealing cover and a fixed shaft, wherein the fixed shafts are fixedly connected to two sides in the shell respectively, the sealing covers are connected to the front end and the rear end of the shell respectively, the outer side of the shell is sealed, and through holes are densely distributed in the inner side of the shell for ventilation.
Preferably, the inflation inlet device comprises a semi-cylindrical end socket cladding plate, the center of the end socket cladding plate is provided with a hole, a pagoda head is fixed on the outer side of the center of the cladding plate in a welding mode and used for being connected with an external protection gas connecting pipe, two studs are symmetrically welded on the end socket cladding plate respectively, and hand-screwed nuts are connected on the two studs respectively in a threaded mode and used for fixing reeds and silica gel sheets.
Preferably, the end socket device comprises a semi-cylindrical end socket cladding plate, two studs are symmetrically welded on the end socket cladding plate respectively, and hand-screwed nuts are connected to the two studs respectively in a threaded manner and used for fixing the reed and the silica gel sheet.
Preferably, the connecting device comprises two semicircular cylinders and a rectangular cylinder, wherein the two semicircular cylinders are respectively and fixedly connected to two sides of the rectangular cylinder, rectangular holes are respectively formed in the center positions of the two semicircular cylinders, and the two rectangular holes penetrate through the rectangular cylinder to be communicated.
Preferably, the center of the fixing shaft is cylindrical, the semicircular cylinder of the connecting device rotates around the fixing shaft, and two ends of the fixing shaft at two sides in the shell penetrate through the connecting holes on the corresponding sealing cover and are matched with the fixing reed and the hand-screwed nut.
Preferably, the left side and the right side of the shell are semi-cylindrical, and a connecting port is formed in the middle of the shell in a matched mode and is used for connecting the end socket device, the inflation inlet device and the connecting device.
Preferably, the shell device is fixedly arranged on the back surfaces of the longitudinal and circular seams of the tank body to be welded through a silica gel sheet, the silica gel sheet is fixedly arranged on the back surfaces of the longitudinal and circular seams of the tank body to be welded through an aluminum foil adhesive tape in an adhering mode, two ends in the shell are fastened on the silica gel sheet through the cooperation of a fixing shaft, a reed and a hand-screwed nut, and the sealing head devices and the inflation inlet devices of the shell devices on two sides are fastened on the silica gel sheet through the cooperation of a stud, the reed and the hand-screwed nut.
Preferably, an internal flow dividing device is installed in the shell, and the internal flow dividing device adopts a 40-100 mesh steel wire mesh. The steel wire mesh is placed in the shell for gas diversion. The internal flow dividing device can be adjusted through flow field calculation, so that the purpose of consistent air flow of the back argon protection device is achieved.
Preferably, a silica gel sealing gasket is respectively arranged at the joint of the shell and the sealing cover and at the joint of the shell, the sealing head device, the inflation inlet device and the connecting device.
The beneficial effects of the utility model are as follows: the utility model is provided with a plurality of shell devices, the adjacent shell devices are connected, rotated and ventilated through the connecting device, the end parts of the shell devices at two sides are provided with the inflating inlet devices for connecting an external protection gas pipeline, meanwhile, the shell devices are fixedly arranged through silica gel sheets, the silica gel sheets are cut according to actual use conditions, the air tightness is ensured, and through holes are densely distributed on the inner side of the shell device for ventilation, so that the aim of adapting to the protection of argon gas at the back surfaces of cylinders with different specifications is fulfilled.
Drawings
FIG. 1 is a schematic view of a construction of the present utility model;
FIG. 2 is a schematic view of a construction of the housing arrangement of the present utility model;
FIG. 3 is a schematic structural view of the closure device of the present utility model;
FIG. 4 is a schematic view of a construction of the inflation inlet apparatus of the present utility model;
in the figure: 1. the device comprises an inflation inlet device 2, a shell, 3, a sealing cover 4, a sealing head device 5, a fixed shaft 6, a reed, 7, a hand-screwed nut 8, a silica gel sealing gasket 9, a connecting device 10, a shell device 11 and a silica gel sheet.
Detailed Description
The technical scheme of the utility model is further specifically described by the following specific embodiments with reference to the accompanying drawings:
examples: as shown in fig. 1, a back argon protection device for welding comprises three shell devices 10 which are connected in series in a hinged manner and used for filling argon, a connecting device 9 is hinged between the adjacent shell devices, a vent hole is formed in the center of the connecting device and used for conveying the argon between the shell devices, through holes are densely distributed on the inner sides of the shell devices for ventilation, and end parts of the shell devices on two sides are respectively connected with a sealing head device 4 and an inflation inlet device 1.
As shown in fig. 2, the housing device comprises a casing 2, a sealing cover 3 and a fixed shaft 5, wherein the fixed shafts are fixedly connected to two sides in the casing respectively, the sealing covers are connected to the front side and the rear side of the casing respectively, the outer side of the casing is sealed, and through holes are densely distributed on the inner side of the casing for ventilation.
As shown in fig. 3, the end enclosure device comprises a semi-cylindrical end enclosure cladding plate, two studs are symmetrically welded on the end enclosure cladding plate respectively, and hand-screwed nuts 7 are connected to the two studs respectively in a threaded manner for fixing the reed 6 and the silica gel sheet 11.
As shown in FIG. 4, the inflation inlet device comprises a semi-cylindrical end socket cladding plate, the center of the end socket cladding plate is provided with a hole, the outer side of the center of the cladding plate is fixedly provided with a pagoda head in a welding mode and used for being connected with an external protection gas connecting pipe, two studs are symmetrically welded on the end socket cladding plate respectively, and hand-screwed nuts are connected to the two studs respectively in a threaded mode and used for fixing reeds and silica gel sheets.
Two studs are symmetrically welded on the end sealing heads of the two side shell devices respectively, hand-screwed nuts are connected to the two studs respectively in a threaded mode, mounting holes are formed in the sealing head cladding plate corresponding to the two studs, and vent holes are formed in the end sealing heads of the two side shell devices corresponding to the pagoda heads.
The connecting device comprises two semicircular cylinders and a rectangular cylinder, wherein the two semicircular cylinders are respectively and fixedly connected to two sides of the rectangular cylinder, rectangular holes are respectively formed in the center positions of the two semicircular cylinders, and the two rectangular holes penetrate through the rectangular cylinder to be communicated.
The center of the fixed shaft is cylindrical, the semicircle tube of the connecting device rotates around the fixed shaft, and two ends of the fixed shaft at two sides in the shell penetrate through the connecting holes on the corresponding sealing covers and are matched with the fixed reed and the hand-screwed nut.
The left side and the right side of the shell are semi-cylindrical, and a connecting port is formed in the middle of the shell in a matched mode and is used for connecting the end socket device, the inflation inlet device and the connecting device.
The shell device is fixedly arranged on the back surfaces of the longitudinal and circular seams of the tank body to be welded through a silica gel sheet, the silica gel sheet is fixedly arranged on the back surfaces of the longitudinal and circular seams of the tank body to be welded through an aluminum foil adhesive tape in an adhering mode, two ends in the shell are fastened on the silica gel sheet through the cooperation of a fixed shaft, a reed and a hand-screwed nut, and the sealing head devices and the inflation inlet devices of the shell devices on two sides are fastened on the silica gel sheet through the cooperation of a stud, the reed and the hand-screwed nut. The silica gel piece adopts the silica gel piece of 2mm thickness, and specific size and the position of connecting the silica gel fixed plate are adjusted according to actual use condition.
An internal flow dividing device 11 is installed in the shell, and the internal flow dividing device adopts a 40-100 mesh steel wire mesh. The steel wire mesh is placed in the shell for gas diversion. The internal flow dividing device can be adjusted through flow field calculation, so that the purpose of consistent air flow of the back argon protection device is achieved.
The junction between the shell and the sealing cover is provided with a silica gel sealing gasket 8 respectively, and the junction between the shell and the sealing head device, the inflation inlet device and the connecting device is provided with a silica gel sealing gasket 8 respectively.
This embodiment sets up three shell device, connects, rotates and ventilates through connecting device between the adjacent shell device, and the tip installation of both sides shell device is inflated inlet device for connect outside protection gas pipeline, and shell device passes through silica gel piece fixed mounting simultaneously, and the silica gel piece is tailor according to actual usage, ensures the gas tightness, and shell device's casing inboard is densely covered with the through-hole and is ventilated to reach the mesh of the different specification barrel back argon protection of adaptation.
The above-described embodiment is only a preferred embodiment of the present utility model, and is not limited in any way, and other variations and modifications may be made without departing from the technical aspects set forth in the claims.
Claims (10)
1. A back argon protection device for welding is characterized by comprising a plurality of shell devices which are connected in series in a hinging manner and used for filling argon, a connecting device is hinged between the adjacent shell devices, a vent hole is formed in the center of the connecting device and used for conveying the argon between the shell devices, through holes are densely distributed on the inner side of the shell devices for ventilation, and end portions of the shell devices on two sides are respectively connected with a sealing head device and an inflation inlet device.
2. The back argon protection device for welding according to claim 1, wherein the shell device comprises a shell, a sealing cover and a fixed shaft, the fixed shaft is fixedly connected to two sides in the shell, the sealing cover is connected to the front end and the rear end of the shell, the outer side of the shell is sealed, and through holes are densely distributed in the inner side of the shell for ventilation.
3. The back argon protection device for welding according to claim 1, wherein the inflation inlet device comprises a semi-cylindrical end socket cladding plate, a hole is formed in the center of the end socket cladding plate, a pagoda head is fixed on the outer side of the center of the cladding plate in a welding mode and used for being connected with an external protection gas connecting pipe, two studs are symmetrically welded on the end socket cladding plate respectively, and hand-screwed nuts are connected to the two studs respectively in a threaded mode and used for fixing reeds and silica gel sheets.
4. The back argon protection device for welding according to claim 1, wherein the end enclosure device comprises a semi-cylindrical end enclosure cladding plate, two studs are symmetrically welded on the end enclosure cladding plate respectively, and hand-screwed nuts are connected on the two studs respectively in a threaded manner for fixing the reed and the silica gel sheet.
5. The back argon protection device for welding according to claim 2, wherein the connecting device comprises two semicircular cylinders and a rectangular cylinder, the two semicircular cylinders are respectively and fixedly connected to two sides of the rectangular cylinder, rectangular holes are respectively formed in the center positions of the two semicircular cylinders, and the two rectangular holes are communicated through the rectangular cylinder.
6. The apparatus of claim 5, wherein the center of the fixing shaft is cylindrical, the semi-cylinder of the connecting device rotates around the fixing shaft, and two ends of the fixing shaft at two sides in the housing pass through the connecting holes on the corresponding sealing cover and are matched with the fixing reed and the hand-screwed nut.
7. The back argon protection device for welding according to claim 2, wherein the left side and the right side of the shell are semi-cylindrical, and a connecting port is formed in the middle of the shell in a matched mode for connecting the end socket device, the inflation inlet device and the connecting device.
8. The back argon protection device for welding according to claim 7, wherein the shell device is fixedly arranged on the back of a longitudinal seam and a circumferential seam of a tank body to be welded through a silica gel sheet, two ends in the shell are fastened on the silica gel sheet through a fixed shaft, a reed and a hand-screwed nut in a matching manner, and the sealing head devices and the inflation inlet devices of the shell devices on two sides are fastened on the silica gel sheet through studs, reeds and the hand-screwed nut in a matching manner.
9. The back argon protection device for welding according to claim 2, wherein an internal flow dividing device is installed in the shell, and the internal flow dividing device adopts a 40-100 mesh steel wire mesh.
10. A back argon protection device for welding according to claim 2, wherein a silica gel sealing gasket is respectively arranged at the joint of the shell and the sealing cover and at the joints of the shell and the sealing head device, the inflation inlet device and the connecting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322014245.7U CN220498174U (en) | 2023-07-28 | 2023-07-28 | Back argon protection device for welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322014245.7U CN220498174U (en) | 2023-07-28 | 2023-07-28 | Back argon protection device for welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220498174U true CN220498174U (en) | 2024-02-20 |
Family
ID=89877057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322014245.7U Active CN220498174U (en) | 2023-07-28 | 2023-07-28 | Back argon protection device for welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220498174U (en) |
-
2023
- 2023-07-28 CN CN202322014245.7U patent/CN220498174U/en active Active
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| GR01 | Patent grant |