CN111687522A - Argon filling tool convenient for welding tube seat or flange and using method thereof - Google Patents
Argon filling tool convenient for welding tube seat or flange and using method thereof Download PDFInfo
- Publication number
- CN111687522A CN111687522A CN202010358808.2A CN202010358808A CN111687522A CN 111687522 A CN111687522 A CN 111687522A CN 202010358808 A CN202010358808 A CN 202010358808A CN 111687522 A CN111687522 A CN 111687522A
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- flange
- push
- welding
- umbrella
- argon filling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
- B23K9/325—Devices for supplying or evacuating shielding gas
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Abstract
The invention discloses an argon filling tool convenient for welding a tube seat or a flange, which comprises: the device comprises a plugging piece, a main rod, an isolating umbrella component and a push-pull component, wherein the plugging piece is abutted against a piece to be welded and is provided with a plurality of plugging air outlets; the main rod penetrates through the plugging piece, one end of the main rod is an inflation inlet, the other end of the main rod is a closed end, an inflation outlet is formed in the main rod, and an elastic piece is arranged between the inflation inlet and the plugging piece; the isolation umbrella component is arranged on the closed end so as to be abutted against the inner wall of the main pipe after being driven to be opened by the elastic reset of the elastic piece; one end of the push-pull assembly is sleeved on the main rod and movably connected with the isolation umbrella assembly, and the other end of the push-pull assembly penetrates out of the blocking air outlet and extends out of the blocking air outlet for a preset distance so as to close the isolation umbrella assembly by pulling the push-pull assembly. The argon filling tool and the use method thereof can effectively reduce the argon filling space and improve the argon filling and welding efficiency, and have the advantages of simple operation, difficult construction and low cost.
Description
Technical Field
The invention relates to the technical field of welding processes, in particular to an argon filling tool convenient for welding a tube seat or a flange and a using method thereof.
Background
The stainless steel process pipeline has quite wide application, is mainly used for ocean engineering pipelines, liquefied natural gas process pipelines, floating production oil storage and discharge device upper module pipelines, chemical engineering pipes and the like with higher material requirements, and when stainless steel is welded, the back of a welding seam needs to be filled with argon for protection, so that the corrosion resistance of the stainless steel process pipeline is prevented from being affected due to oxidation caused by contact of a high-temperature welding seam and oxygen.
The welding of a small-size pipe seat and a large-size main pipe and the welding of the pipe seat and a flange are commonly existing in the welding prefabrication of the stainless steel pipeline, when welding seams of the type are welded, the inner part of the main pipe of an area to be welded is blocked, argon is filled in a large space, the operation is complex, and the auxiliary time is long. For pipelines which cannot place the plugging device inside the main pipe, the difficulty of welding the welding seams is very high.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the above-mentioned problems in the prior art. In view of the above, the present invention needs to provide an argon filling tool and a method for using the same, which can effectively reduce the argon filling space, improve the argon filling and welding efficiency, and have the advantages of simple operation, low construction difficulty and low cost, and are convenient for welding.
The invention provides an argon filling tool convenient for welding a pipe seat or a flange, which is used between a stainless steel main pipe and a part to be welded and comprises: the device comprises a plugging piece, a main rod, an isolating umbrella component and a push-pull component, wherein the plugging piece is abutted against the piece to be welded and is provided with a plurality of plugging air outlets; the main rod penetrates through the plugging piece, one end of the main rod is an inflation inlet, the other end of the main rod is a closed end, an inflation outlet is formed in the main rod close to the closed end, and an elastic piece is arranged between the inflation inlet and the plugging piece; the isolation umbrella assembly is arranged on the closed end, so that the isolation umbrella assembly is driven to be opened through the elastic reset of the elastic piece and then is abutted against the inner wall of the main pipe, and an argon filling space on the back of the position to be welded is formed; one end of the push-pull assembly is sleeved on the main rod and is rotatably connected with the isolation umbrella assembly, and the other end of the push-pull assembly penetrates out of the blocking air outlet and extends out of the blocking air outlet for a preset distance so as to close the isolation umbrella assembly by pulling the push-pull assembly.
According to one embodiment of the invention, the push-pull assembly comprises a connecting rod and a push-pull ring, the push-pull ring is sleeved on the main rod and can move along the main rod, one end of the connecting rod is connected with the push-pull ring, the other end of the connecting rod penetrates through the blocking air outlet to form a push-pull end, and a push-pull handle is arranged on the push-pull end.
According to one embodiment of the invention, the isolation umbrella assembly comprises a plurality of umbrella ribs and umbrella cloth, wherein one end of each umbrella rib is hinged with the push-pull ring, the other end of each umbrella rib is hinged with the umbrella cloth, and the central area of the umbrella cloth is connected with the closed end.
According to one embodiment of the invention, the main rod is provided with a limiting protrusion, and the limiting protrusion is arranged close to the inflation outlet.
According to one embodiment of the invention, one of the plugged air outlets is connected with an oxygen content measuring instrument through a connecting pipe.
According to one embodiment of the invention, the resilient member is of a spring structure.
According to one embodiment of the invention, the blocking piece is a high-temperature-resistant rubber pad, and an adhesive layer is arranged on one side of the high-temperature-resistant rubber pad, which is abutted to the flange.
According to one embodiment of the invention, the umbrella cloth is a high temperature canvas.
According to an embodiment of the present invention, the to-be-welded component is any one of a socket, a flange, or a socket and a flange.
The invention also provides a using method of the argon filling tool convenient for welding the tube seat or the flange, which comprises the following steps:
s1, placing a pipe seat or a flange to be welded on the position to be welded of the stainless steel main pipe, closing and tightening the umbrella ribs and the umbrella cloth, connecting the inflation inlet of the main rod with an argon gas filling pipe, inserting the side of the umbrella cloth into the pipe seat or the flange to be welded and completely entering the main pipe;
s2, pushing the push-pull ring through the connecting rod and driving the umbrella ribs to open the umbrella cloth, pulling the main rod to the outer side of the pipe seat or flange to be welded to attach the umbrella cloth to the inner wall of the main pipe, and opening an argon filling pipe valve to fill argon to protect the back of the area to be welded;
s3, assembling and positioning welding the pipe seat or the flange to be welded, loosening the spring structure, attaching a plugging piece to the outer opening of the pipe seat or the flange to be welded, attaching the umbrella cloth to the inner wall of the main pipe, adhering a stainless steel special adhesive tape to the groove of the welding line to be welded, and welding after the oxygen content of the back of the welding line meets the requirement;
s4, after welding, closing the valve of the argon filling pipe, disconnecting the argon filling pipe from the inflation inlet, tightening the spring structure, pulling the umbrella ribs through the connecting rods, and taking out the whole tool after closing the umbrella cloth.
The invention relates to an argon filling tool convenient for welding a tube seat or a flange and a using method thereof, which are suitable for welding construction between a stainless steel main tube and the tube seat, between the tube seat and the flange and the like, in the argon filling tool, a push pull ring is pushed by a connecting rod and an umbrella rib is driven to open an umbrella cloth, a main rod is pulled towards the outer side of the tube seat or the flange to be welded to realize the joint of the umbrella cloth and the inner wall of the main tube to form an argon filling space in a smaller range of the position to be welded of the main tube, then the argon filling space is subjected to inflation protection by an inflation inlet, after the welding is finished, the umbrella cloth is driven to close by pulling the connecting rod and the tool is taken out, the argon filling tool has simple operation process, reduces the construction difficulty and the cost of the tool, improves the argon filling efficiency, simultaneously solves the problems that the argon filling protection is needed in the main tube when the stainless steel main tube and the tube, is suitable for popularization and application.
Drawings
Fig. 1 is a schematic structural diagram of a closed state of an argon filling tool convenient for welding a tube socket or a flange according to the invention.
Fig. 2 is a structural schematic diagram of an open working state of the argon filling tool convenient for welding a tube seat or a flange according to the invention.
Fig. 3 is a schematic view in the direction of a-a in fig. 2.
Reference numerals: 1-plugging piece; 2-main pole; 3-isolating the umbrella component; 4-a push-pull assembly; 5-an elastic member; 6-oxygen content measuring instrument; 10-main tube; 11-blocking the air outlet; 12-a connecting tube; 13-a tie layer; 21-an inflation inlet; 22-an inflation outlet; 23-a limiting bulge; 31-umbrella ribs; 32-umbrella cloth; 40-argon filling pipe; 41-connecting rod; 42-and push-pull rings; 43-push-pull handle; 100-argon filled space.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
As shown in fig. 1 to 3, an argon filling tool for welding a tube socket or a flange conveniently is used between a stainless steel main tube 10 and a to-be-welded part, and comprises: the device comprises a plugging piece 1, a main rod 2, an isolating umbrella component 3 and a push-pull component 4, wherein the plugging piece 1 is abutted against a piece to be welded, and is provided with a plurality of plugging air outlets 11 for discharging air in an argon filling space 100; the main rod 2 penetrates through the plugging piece 1, one end of the main rod 2 is an inflation inlet 21, the other end of the main rod 2 is a closed end, an inflation outlet 22 is arranged on the main rod 2 close to the closed end, and an elastic piece 5 is arranged between the inflation inlet 21 and the plugging piece 1; the isolation umbrella component 3 is arranged on the closed end, so that the isolation umbrella component 3 is driven to be opened through the elastic reset of the elastic piece 5 and then is abutted against the inner wall of the main pipe 10, and an argon filling space 100 on the back of the position to be welded is formed; one end of the push-pull component 4 is sleeved on the main rod 2 and is rotatably connected with the isolation umbrella component 3, and the other end of the push-pull component 4 penetrates out of the blocking air outlet 11 and extends out for a preset distance so as to close the isolation umbrella component 3 by pulling the push-pull component 4, wherein the to-be-welded component is any one of the pipe seat 20, the flange 30 or the pipe seat 20 and the flange 30.
The invention relates to an argon filling tool convenient for welding a tube seat or a flange and a using method thereof, which are suitable for welding construction between a stainless steel main tube 10 and a tube seat 20, between the tube seat 20 and a flange 30 and the like, wherein in the argon filling tool, a push-pull ring 42 is pushed by a connecting rod 41 and a rib 31 is driven to open an umbrella cloth 32, a main rod 2 is pulled towards the outer side of the tube seat 20 or the flange 20 to be welded, so that the umbrella cloth 32 is attached to the inner wall of the main tube 10 to form an argon filling space 100 in a smaller range of the position to be welded of the main tube 10, then the argon filling space 100 is subjected to inflation protection by an inflation inlet 21, after welding is finished, the umbrella cloth 32 is driven by the push rod 41 to close and take out the tool, the argon filling tool has simple operation process, reduces the construction difficulty and cost of the tool, improves the argon filling efficiency, and simultaneously improves the condition that the argon filling protection is needed in the main tube when the stainless, and the operation is complex, the auxiliary time is long, and the method is suitable for popularization and application.
As shown in fig. 1 and 2, the push-pull assembly 4 includes a connecting rod 41 and a push-pull ring 42, the push-pull ring 42 is sleeved on the main rod 2 and can move along the main rod 2, one end of the connecting rod 41 is connected with the push-pull ring 42, the other end of the connecting rod 41 penetrates through the blocked air outlet 11 and forms a push-pull end, a push-pull handle 43 is arranged on the push-pull end, so as to facilitate the push-pull operation of the connecting rod 41, and meanwhile, the cross-sectional diameter of the push-pull handle 43 is greater than the diameter of the blocked air outlet 11 and is used in cooperation.
As shown in fig. 1 and 2, the isolation umbrella assembly 3 includes a plurality of ribs 31 and a plurality of umbrella cloth 32, wherein one end of each rib 31 is hinged to the push-pull ring 42, the other end of each rib 31 is hinged to the umbrella cloth 32, and the central area of the umbrella cloth 32 is connected to the closed end, wherein the umbrella cloth 32 is made of high temperature-resistant canvas, it should be understood that the umbrella cloth 32 is attached to the inner wall of the main pipe 10, and the inner wall of the pipe seat 20, the inner wall of the flange 30 and the inner wall of the blocking piece 1 form a small argon-filled space in the region to be welded of the main pipe 10.
As shown in fig. 1 and 2, the main rod 2 is provided with a limiting protrusion 23, the limiting protrusion 23 is disposed near the inflation outlet 22, and cooperates with the push-pull handle 43 to limit the pushing distance of the connecting rod 41, so as to prevent the connecting rod 41 from being pushed excessively and reduce the operation difficulty.
As shown in fig. 2, one of the blocked gas outlets 11 is connected to the oxygen content measuring instrument 6 through the connecting pipe 12 to rapidly measure the oxygen content in the argon filled space 100, so that the oxygen content in the argon filled space 100 can rapidly meet the requirement of welding stainless steel.
As shown in fig. 1 and 2, the elastic member 5 is of a spring structure, wherein the spring structure is prior art and is not described herein again, it should be understood that the umbrella cloth 32 which is opened is attached to the inner wall of the main tube 10 by the elastic force of the spring, and the blocking member 1 is attached to the tube seat 20 or the flange 30.
As shown in fig. 1 and 2, the blocking member 1 is a high temperature resistant rubber pad, and an adhesive layer 13 is disposed on a side of the high temperature resistant rubber pad abutting against the flange 30, wherein the adhesive layer may be an adhesive tape.
As shown in fig. 1 to 3, a method for using an argon filling tool for welding a tube socket or a flange conveniently comprises the following steps:
s100, placing the pipe seat 20 or the flange 30 to be welded on the position to be welded of the stainless steel main pipe 10, closing and tightening the umbrella ribs 31 and the umbrella cloth 32, connecting the inflation inlet 21 of the main rod 2 with an argon filling pipe, inserting the side of the umbrella cloth 32 into the pipe seat 20 or the flange 30 to be welded and completely entering the main pipe 10;
s200, pushing the push-pull ring 42 through the connecting rod 41 and driving the umbrella ribs 31 to open the umbrella cloth 32, pulling the main rod 2 to the outer side of the pipe seat 20 to be welded or the flange 30 to attach the umbrella cloth 32 to the inner wall of the main pipe 10, and opening an argon-filled pipe valve to protect the back of the area to be welded by filling argon;
s300, assembling and tack welding are carried out on a pipe seat 20 or a flange 30 to be welded, a spring structure is loosened, the sealing piece 1 is attached to the outer opening of the pipe seat 20 or the flange 30 to be welded, meanwhile, the main rod 2 is pulled outwards due to the elastic force of the spring, the umbrella cloth 32 is automatically attached to the inner wall of the main pipe 10, a stainless steel special paper adhesive tape is pasted at the groove of a weld joint to be welded, air leakage of an inflation space 100 is prevented, argon enters the main rod 2 through an argon filling pipe and enters the inflation space 100 from an inflation outlet 22, air in the space is discharged from a sealing air outlet 11 on the sealing piece 1, an oxygen content measuring instrument 6 is inserted from a sealing air outlet 11 on the sealing piece 1, the oxygen content in the space at the back of the weld joint to be welded is rapidly detected, the oxygen content in the space at the back of the weld joint can meet;
s4, after welding, adjusting the valve of the argon gas filling pipe 40 to properly reduce the gas flow, after the welding seam thickness is over 6.4mm (or three layers), closing the valve of the argon gas filling pipe, disconnecting the argon gas filling pipe from the main rod 2, tightening the spring structure, pulling the umbrella rib 31 through the connecting rod 41, realizing the closing of the umbrella cloth 32, and taking out the whole tool.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. The utility model provides an argon filling frock convenient to welding tube socket or flange use, is used in the stainless steel person in charge and treats and use between the weldment, its characterized in that includes: the device comprises a plugging piece, a main rod, an isolating umbrella component and a push-pull component, wherein the plugging piece is abutted against the piece to be welded and is provided with a plurality of plugging air outlets; the main rod penetrates through the plugging piece, one end of the main rod is an inflation inlet, the other end of the main rod is a closed end, an inflation outlet is formed in the main rod close to the closed end, and an elastic piece is arranged between the inflation inlet and the plugging piece; the isolation umbrella assembly is arranged on the closed end, so that the isolation umbrella assembly is driven to be opened through the elastic reset of the elastic piece and then is abutted against the inner wall of the main pipe, and an argon filling space on the back of the position to be welded is formed; one end of the push-pull assembly is sleeved on the main rod and is rotatably connected with the isolation umbrella assembly, and the other end of the push-pull assembly penetrates out of the blocking air outlet and extends out of the blocking air outlet for a preset distance so as to close the isolation umbrella assembly by pulling the push-pull assembly.
2. The argon filling tool convenient for welding a tube seat or a flange as claimed in claim 1, wherein the push-pull assembly comprises a connecting rod and a push-pull ring, the push-pull ring is sleeved on the main rod and can move along the main rod, one end of the connecting rod is connected with the push-pull ring, the other end of the connecting rod penetrates through the blocking air outlet to form a push-pull end, and a push-pull handle is arranged on the push-pull end.
3. The argon filling tool convenient for welding a tube seat or a flange as claimed in claim 2, wherein the isolation umbrella assembly comprises a plurality of umbrella ribs and an umbrella cloth, one end of each umbrella rib is hinged with the push-pull ring, the other end of each umbrella rib is hinged with the umbrella cloth, and the central area of the umbrella cloth is connected with the closed end.
4. The argon filling tool convenient for welding a tube seat or a flange as claimed in claim 1, wherein a limiting bulge is arranged on the main rod, and the limiting bulge is arranged close to the inflation outlet.
5. The argon filling tool convenient for welding a tube seat or a flange as claimed in claim 1, wherein one of the plugging air outlets is connected with an oxygen content measuring instrument through a connecting tube.
6. The argon-filled tooling convenient for welding a tube socket or a flange as claimed in claim 1, wherein said elastic member is of a spring structure.
7. The argon filling tool convenient for welding a pipe seat or a flange as claimed in claim 1, wherein the blocking piece is a high temperature resistant rubber pad, and a bonding layer is arranged on one side of the high temperature resistant rubber pad abutted to the flange.
8. The argon filling tool convenient for welding a tube seat or a flange as claimed in claim 3, wherein the umbrella cloth is made of high temperature-resistant canvas.
9. The argon filling tool convenient for welding the tube seat or the flange as claimed in claim 2, wherein the member to be welded is any one of the tube seat, the flange or the tube seat and the flange.
10. The use method of the argon filling tool convenient for welding the tube seat or the flange is characterized by comprising the following steps of:
s1, placing a pipe seat or a flange to be welded on the position to be welded of the stainless steel main pipe, closing and tightening the umbrella ribs and the umbrella cloth, connecting the inflation inlet of the main rod with an argon gas filling pipe, inserting the side of the umbrella cloth into the pipe seat or the flange to be welded and completely entering the main pipe;
s2, pushing the push-pull ring through the connecting rod and driving the umbrella ribs to open the umbrella cloth, pulling the main rod to the outer side of the pipe seat or flange to be welded to attach the umbrella cloth to the inner wall of the main pipe, and opening an argon filling pipe valve to fill argon to protect the back of the area to be welded;
s3, assembling and positioning welding the pipe seat or the flange to be welded, loosening the spring structure, attaching a plugging piece to the outer opening of the pipe seat or the flange to be welded, attaching the umbrella cloth to the inner wall of the main pipe, adhering a stainless steel special adhesive tape to the groove of the welding line to be welded, and welding after the oxygen content of the back of the welding line meets the requirement;
s4, after welding, closing the valve of the argon filling pipe, disconnecting the argon filling pipe from the inflation inlet, tightening the spring structure, pulling the umbrella ribs through the connecting rods, and taking out the whole tool after closing the umbrella cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010358808.2A CN111687522A (en) | 2020-04-29 | 2020-04-29 | Argon filling tool convenient for welding tube seat or flange and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010358808.2A CN111687522A (en) | 2020-04-29 | 2020-04-29 | Argon filling tool convenient for welding tube seat or flange and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111687522A true CN111687522A (en) | 2020-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010358808.2A Pending CN111687522A (en) | 2020-04-29 | 2020-04-29 | Argon filling tool convenient for welding tube seat or flange and using method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN111687522A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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Application publication date: 20200922 |
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