CN211360992U - TIG welding gun for deep hole welding of pipe fitting - Google Patents
TIG welding gun for deep hole welding of pipe fitting Download PDFInfo
- Publication number
- CN211360992U CN211360992U CN201921985554.6U CN201921985554U CN211360992U CN 211360992 U CN211360992 U CN 211360992U CN 201921985554 U CN201921985554 U CN 201921985554U CN 211360992 U CN211360992 U CN 211360992U
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- welding gun
- head body
- wire feeding
- positioning block
- insulating
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Abstract
The utility model discloses a TIG welding gun for deep hole welding of pipe fittings, which comprises a TIG welding gun body for deep hole welding, a wire feeding assembly and a wire feeding assembly fixed ring assembly; the wire feeding assembly fixing ring assembly is fixed on a deep hole welding TIG welding gun body through a set screw; the wire feeding assembly is fixed on the wire feeding assembly fixing ring assembly through screws. The utility model has the advantages of it is following: the integral structure is compact, and the size can be changed according to different working conditions so as to adapt to different pipe fitting sizes; secondly, the insulating property is good, and all conductive parts are protected in a fully insulating way; the wire feeding assembly is simple and quick to install and fix; fourthly, the wire feeding assembly has good durability and is not easy to lose; pipe butt welding can be realized by design change or addition of an angle adjusting mechanism.
Description
Technical Field
The utility model relates to a TIG welding technology field such as inside pipe wall build-up welding and pipe butt joint, concretely relates to TIG welder for pipe fitting deep hole welding.
Background
In the manufacturing of petrochemical containers and pressure containers of nuclear power equipment, a large number of pipe fittings need to be subjected to internal stainless steel or nickel-based isolation layer surfacing, when the inner diameter of a pipe is larger than 500mm, submerged arc can be adopted for stainless steel strip surfacing, and when the inner diameter of the pipe is smaller than 500mm or the nickel-based isolation layer surfacing is needed, only TIG (tungsten inert gas) can be used for surfacing. The smaller the pipe diameter is, and the general inner diameter is less than 200mm, the conventional standard TIG welding gun cannot be used for welding. The development of a special TIG welding gun is imperative for surfacing of the inner wall of a long pipe with a small pipe diameter and butt welding of small pipe fittings.
Disclosure of Invention
An object of the utility model is to the problem that above-mentioned exists, provide a structure is reliable, compact, convenience safe in utilization, install on TIG welds the special plane, realize the demand of an intraductal wall build-up welding, pipe butt joint to can guarantee to realize through technological parameter that the level welds the position, violently weld the welding demand of position, 5G, 6G position.
The utility model provides a TIG welding gun for deep hole welding of pipe fittings, which comprises a TIG welding gun body for deep hole welding, a wire feeding assembly and a wire feeding assembly fixed ring assembly; the wire feeding assembly fixing ring assembly is fixed on a deep hole welding TIG welding gun body through a set screw; the wire feeding assembly is fixed on the wire feeding assembly fixing ring assembly through screws.
The TIG welding gun body for deep hole welding comprises a welding gun head body, a welding gun head body insulating positioning block, a double-thread pull rod, a steel pipe, a welding gun head body pipe insulating positioning block, a welding gun head body insulating pipe group, an end positioning block and a welding gun head body insulating cap;
one end of the double-thread pull rod is fixed on the welding gun head body; the other end of the double-thread pull rod is fastened by a nut, and the nut is tightly pressed on the end positioning block; the welding gun head body penetrates through the welding gun head body insulating positioning block, the welding gun head body in-tube insulating positioning block, the welding gun head body insulating tube group, the steel tube and the end positioning block;
one end of the steel pipe is matched with the welding gun head body insulation positioning block; the other end of the steel pipe is matched with the end positioning block.
The wire feeding assembly comprises a transition head, an elbow copper pipe, a connector, a clamp and a clamp fixing nut;
one end of the elbow copper pipe is welded and fixed with the transition head, the other end of the elbow copper pipe is welded and fixed with the joint,
the clasping clamp is arranged in the joint hole; the holding and clamping fixed nut is matched with the connector for use.
The wire feeding assembly fixing ring assembly comprises an open type fixing ring, a pressing block and a semicircular insulating ring; the pressing block is connected with the open type fixing ring through a screw, and the two semicircular insulating rings are arranged in a hole formed by the open type fixing ring and the pressing block.
The steel pipe is provided with an air vent.
And processing an orifice on the insulating positioning block in the welding gun head body tube.
The end positioning block is made of insulating materials and is provided with a positioning structure matched with the steel pipe.
And the insulating cap of the welding gun head body is arranged on the exposed part of the double-thread pull rod.
The utility model has the advantages of it is following: the integral structure is compact, and the size can be changed according to different working conditions so as to adapt to different pipe fitting sizes; secondly, the insulating property is good, and all conductive parts are protected in a fully insulating way; the wire feeding assembly is simple and quick to install and fix; fourthly, the wire feeding assembly has good durability and is not easy to lose; pipe butt welding can be realized by design change or addition of an angle adjusting mechanism.
Drawings
Fig. 1 is the utility model relates to a TIG welder overall structure schematic diagram for pipe fitting deep hole welding.
Fig. 2 is the utility model relates to a TIG welder for pipe fitting deep hole welding TIG welder body explosion diagram.
Fig. 3 is the utility model relates to a TIG welder for pipe fitting deep hole welding send a subassembly explosion chart.
Fig. 4 is the utility model relates to a TIG welder for pipe fitting deep hole welding send the solid fixed ring subassembly explosion chart of silk subassembly.
The labels in the figure are: 1-deep hole welding TIG welding gun body; 11 welding the gun head body; 12 welding a gun head body insulation positioning block; 13 double-thread pull rod; 14 steel pipes; 15 welding a gun head body pipe inner insulation positioning block; 16 welding a gun head body insulating tube group; 17 end positioning blocks; 18 welding a torch head body insulating cap; 2-a wire feeding assembly; 21 a transition head; 22 an elbow copper pipe; 23, a joint; 24, clamping; 25 clamping the fixed nut; 3-wire feeding assembly fixing ring component; 31 an open type fixing ring; 32, briquetting; 33 semicircular insulating rings.
Detailed Description
Now it is right to combine the attached drawing the utility model discloses do further explanation, as shown in fig. 1, a TIG welder for pipe fitting deep hole welding, including deep hole welding TIG welder body 1, send a subassembly 2, send a solid fixed ring subassembly 3 of subassembly, send a solid fixed ring subassembly 3 cover of subassembly 14 peripheries of steel pipe in deep hole welding TIG welder body 1, use holding screw fixed, can select the quantity of sending a subassembly fixed ring subassembly 3 as required, send a subassembly 2 to place in sending a subassembly solid fixed ring subassembly 3 open type solid fixed ring 31 semicircle mouth, use the screw to compress tightly briquetting 32 above that. As shown in fig. 4, 2 semicircular insulating rings 33 are placed in the hole formed by the open type fixing ring 31 and the pressure block 32.
As shown in fig. 2, firstly, the welding gun head body insulation positioning block 12 is sleeved on the welding gun head body 11 which is already installed with the welding gun head body insulation tube group 16 and the welding gun head body tube insulation positioning block 15, a steel tube 14 is penetrated, the steel tube 14 and the welding gun head body tube insulation positioning block 15 are installed in a matched mode, then, the end positioning block 17 and the steel tube 14 are installed in a matched mode, nuts are used for fastening on the thread side of the double-thread pull rod 13, and then, the welding gun head body insulation cap 18 is installed on the exposed portion of the double-thread pull rod 13.
The welding gun head body 11 comprises a copper head, a copper water pipe, a copper air pipe, a copper rod and a water pipe joint; the copper head, the copper water pipe, the copper air pipe and the copper bar are fixed together through silver-based brazing; the copper water pipe and the water pipe joint are fixed together through silver-based brazing. The welding gun head body insulation positioning block 12 is made of insulation materials and is provided with a positioning structure matched with the steel pipe 14. And an insulating positioning block 15 in the welding gun head body tube is made of insulating materials, and an orifice is machined on the insulating positioning block. The welding gun head body insulating pipe group 16 is made of insulating materials and is sleeved on a copper water pipe, a copper air pipe and a copper rod of the welding gun head body 11. The end positioning block 17 is made of insulating materials and is provided with a positioning structure matched with the steel pipe 14. And an insulating cap 18 of the welding gun head body is made of insulating materials and is arranged on the double-thread pull rod 13 and the end of the copper column.
As shown in fig. 3, the transition head 21, the elbow copper tube 22 and the joint 23 are welded and fixed, the clamp 24 is placed in the slot of the joint 23, the guide wire tube passes through the clamp 24, the clamp 24 is closed by the clamp nut 25, and the guide wire tube is clamped. The transition head 21 is welded and fixed with the elbow copper pipe 22 through silver-based brazing; the joint 23 is welded and fixed with the other end of the elbow copper pipe 22 through silver-based brazing;
finally, 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 examples, it is not intended to limit the invention, and other variations of the disclosed embodiments, as would be readily apparent to one skilled in the art, are intended to be included within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a TIG welder for pipe fitting deep hole welding which characterized in that: the welding device comprises a deep hole welding TIG welding gun body, a wire feeding assembly and a wire feeding assembly fixed ring assembly; the wire feeding assembly fixing ring assembly is fixed on a deep hole welding TIG welding gun body through a set screw; the wire feeding assembly is fixed on the wire feeding assembly fixing ring assembly through screws.
2. A TIG welding gun according to claim 1, wherein: the TIG welding gun body for deep hole welding comprises a welding gun head body, a welding gun head body insulating positioning block, a double-thread pull rod, a steel pipe, a welding gun head body pipe insulating positioning block, a welding gun head body insulating pipe group, an end positioning block and a welding gun head body insulating cap;
one end of the double-thread pull rod is fixed on the welding gun head body; the other end of the double-thread pull rod is fastened by a nut, and the nut is tightly pressed on the end positioning block; the welding gun head body penetrates through the welding gun head body insulating positioning block, the welding gun head body in-tube insulating positioning block, the welding gun head body insulating tube group, the steel tube and the end positioning block;
one end of the steel pipe is matched with the welding gun head body insulation positioning block; the other end of the steel pipe is matched with the end positioning block.
3. A TIG welding gun according to claim 1, wherein: the wire feeding assembly comprises a transition head, an elbow copper pipe, a connector, a clamp and a clamp fixing nut;
one end of the elbow copper pipe is welded and fixed with the transition head, the other end of the elbow copper pipe is welded and fixed with the joint,
the clasping clamp is arranged in the joint hole; the holding and clamping fixed nut is matched with the connector for use.
4. A TIG welding gun according to claim 1, wherein the wire feed assembly securing ring assembly comprises an open securing ring, a compact, and a semi-circular insulating ring; the pressing block is connected with the open type fixing ring through a screw, and the two semicircular insulating rings are arranged in a hole formed by the open type fixing ring and the pressing block.
5. A TIG welding gun according to claim 2, characterized in that the steel tube is provided with a vent hole.
6. A TIG welding gun according to claim 2, wherein an orifice is machined in the insulating positioning block in the welding gun head body tube.
7. A TIG welding gun according to claim 2, wherein the end positioning block is made of insulating material and has a positioning structure matched with the steel pipe.
8. A TIG welding gun according to claim 2, wherein the welding gun head body insulation cap is mounted on the exposed portion of the double-thread draw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921985554.6U CN211360992U (en) | 2019-11-18 | 2019-11-18 | TIG welding gun for deep hole welding of pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921985554.6U CN211360992U (en) | 2019-11-18 | 2019-11-18 | TIG welding gun for deep hole welding of pipe fitting |
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| Publication Number | Publication Date |
|---|---|
| CN211360992U true CN211360992U (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921985554.6U Active CN211360992U (en) | 2019-11-18 | 2019-11-18 | TIG welding gun for deep hole welding of pipe fitting |
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| Country | Link |
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| CN (1) | CN211360992U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110756961A (en) * | 2019-11-18 | 2020-02-07 | 中国第一重型机械集团大连加氢反应器制造有限公司 | TIG welding gun for deep hole welding of pipe fitting |
-
2019
- 2019-11-18 CN CN201921985554.6U patent/CN211360992U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110756961A (en) * | 2019-11-18 | 2020-02-07 | 中国第一重型机械集团大连加氢反应器制造有限公司 | TIG welding gun for deep hole welding of pipe fitting |
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