CN110834134B - Automatic argon tungsten-arc welding self-adaptive protective dragging cover - Google Patents
Automatic argon tungsten-arc welding self-adaptive protective dragging cover Download PDFInfo
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- CN110834134B CN110834134B CN201911169595.2A CN201911169595A CN110834134B CN 110834134 B CN110834134 B CN 110834134B CN 201911169595 A CN201911169595 A CN 201911169595A CN 110834134 B CN110834134 B CN 110834134B
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- protective
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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
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/167—Arc welding or cutting making use of shielding gas and of a non-consumable electrode
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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
- B23K9/326—Purge gas rings, i.e. devices for supplying or evacuating shielding gas inside of hollow or tubular articles, e.g. pipes, vessels
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- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
The invention discloses an automatic argon tungsten-arc welding self-adaptive protective dragging cover, which comprises a top plate, a steel wire filler, a copper plate with holes, a screen, a vent pipe, a protective curtain, a peripheral frame and a welding gun clamp, wherein the steel wire filler is arranged on the top plate; the top plate is arranged at the upper end of the edge frame, the screen is arranged on the copper plate with holes, and the copper plate with holes is arranged on the edge frame; the cavity of the drag cover is formed by the peripheral frame, the top plate and the copper plate with holes, and the vent pipe is connected by a vertical vent pipe and a transverse vent pipe to form an inverted T shape; one end of a vertical vent pipeline is led out of the cavity of the drag cover from the upper part of the top plate, the other end of the vertical vent pipeline is connected to a transverse pipeline, and two ends of the transverse pipeline are blocked; the cavity of the mop cover is uniformly filled with fillers; the drag cover is uniformly provided with a plurality of sliding chutes along the peripheral frame, the protective curtain sheet body is arranged in the sliding rail to form the protective curtain, and the two ends of the sliding rail of the protective curtain sheet body are provided with limiting blocks for limiting the formation of the protective curtain sheet body and preventing the sheet body from falling off; the welding gun frame is fixed on one side of the dragging cover, and the welding gun is fixed through a locking nail on the welding gun frame.
Description
Technical Field
The invention relates to the field of automatic argon tungsten-arc welding devices, in particular to a self-adaptive protective dragging cover for automatic argon tungsten-arc welding.
Background
When the automatic argon tungsten-arc welding is adopted to weld active metal parts, in addition to argon protection of a welding gun, a dragging cover is also adopted to carry out argon protection on a welding seam which is just welded and is not cooled to a safe temperature and a heat affected zone, argon discharged from the dragging cover is required to uniformly cover the welding seam area, and air in the protection area can be discharged. For the protection of inner and outer arc welding seams, girth welding seams or gradual change welding seams, because the welding seams have different shapes, in order to achieve the best protection effect, protective drag covers with different shapes and sizes are needed.
Disclosure of Invention
In order to solve the technical problems, the invention provides an automatic argon tungsten-arc welding self-adaptive protective dragging cover, which has the following specific technical scheme:
an automatic argon tungsten-arc welding self-adaptive protective dragging cover comprises a top plate, a steel wire filler, a copper plate with holes, a screen, a vent pipe, a protective curtain, a peripheral frame and a welding gun clamp;
the top plate is arranged at the upper end of the edge frame, the screen is arranged on the copper plate with holes, and the copper plate with holes is arranged on the edge frame;
the peripheral frame, the top plate and the copper plate with holes form a cavity of the dragging cover, and the vent pipe is connected by a vertical vent pipeline and a transverse vent pipeline to form an inverted T shape;
one end of a vertical vent pipeline is led out of the cavity of the drag cover from the upper part of the top plate, the other end of the vertical vent pipeline is connected to a transverse pipeline, and two ends of the transverse pipeline are blocked;
the top of the transverse pipeline is uniformly provided with air outlet holes a;
the copper plate with the holes is provided with air outlet holes b;
the cavity of the mop cover is uniformly filled with fillers;
the drag cover is uniformly provided with a plurality of sliding chutes along the peripheral frame, the protective curtain sheet body is arranged in the sliding rail to form the protective curtain, and the two ends of the sliding rail of the protective curtain sheet body are provided with limiting blocks for limiting the formation of the protective curtain sheet body and preventing the sheet body from falling off;
each protective curtain sheet body can independently move along the slide rail without mutual influence;
the welding gun clamp is fixed on one side of the dragging cover, and a welding gun is fixed through a locking nail on the welding gun clamp.
The preferred scheme of the automatic argon tungsten-arc welding self-adaptive protective dragging cover is that the copper plate with the hole is made of red copper.
The automatic argon tungsten-arc welding self-adaptive protective dragging cover has the preferred scheme that the vent pipe, the peripheral frame, the screen and the welding gun clamp are all made of heat-resistant stainless steel.
The automatic argon tungsten-arc welding self-adaptive protective dragging cover is characterized in that the filler is a steel wire.
The working principle of the automatic argon tungsten-arc welding self-adaptive protective dragging cover is as follows: the drag cover is fixed on the welding gun nozzle through the welding gun clamp, the length direction of the drag cover is consistent with the length direction of a welding seam, the lower part of the protective curtain sheet body is in contact with the surface of a part, the protective curtain sheet body automatically moves up and down according to the surface shape of the part, and a protective space is formed by the surface of the part, the protective curtain sheet body and the screen.
The protection gas passes through vertical vent line and gets into horizontal breather pipe, horizontal vent line both ends are sealed up, the top evenly is equipped with the venthole, the protection gas blows to the roof from horizontal breather pipe top venthole, the bounce-back gets into and drags the cover cavity, then in getting into the steel wire filler, realize the homogenization of gas flow for the first time, then, protection gas carries out the secondary homogenization through foraminiferous copper, the rethread screen cloth, realize the cubic homogenization, at last evenly spray to the part surface, in the protection space that protection curtain lamellar body and screen cloth constitute jointly, be full of protection gas, isolated air.
When the welding gun or the workpiece moves, the drag cover protective curtain body can automatically change according to the surface shape of the part, and a protective space is formed between the drag cover protective curtain body and the part all the time. Meanwhile, the lower end of the protective curtain sheet body is of a circular arc structure, so that the parts are prevented from being scratched, and the resistance is reduced.
When the welding gun clamp is used, a dragging cover welding gun is clamped and sleeved on an equipment welding gun, the angle of the dragging cover is adjusted, the length direction of the dragging cover is made to be along the direction of a welding seam, and a locking nail is screwed down to fix the dragging cover; then, an external protective gas pipeline is connected with a draft tube of the dragging cover, a welding gun is slowly moved to enable a tungsten electrode to be close to the surface of the part at a certain height (the height is the height required by the welding process), the protective curtain sheet body is firstly contacted with the surface of the part and moves along the sliding groove to form a protective area, and then the welding work can be started.
The invention has the beneficial effects that: the technical scheme of the invention has the advantages of simple structure, high practicability, convenient use and stronger universality, and is suitable for welding protection of parts with various shapes. Low manufacturing cost and convenient maintenance.
Drawings
FIG. 1 is a schematic structural view of an automatic argon tungsten-arc welding adaptive protective dragging cover;
FIG. 2 is a top view of an automatic argon tungsten-arc welding adaptive protective dragging cover structure;
FIG. 3 is a schematic view taken along line B-B in FIG. 1;
FIG. 4 is an enlarged view of FIG. 2;
FIG. 5 is an enlarged view of the protective curtain
FIG. 6 is a top view of the drag cover connected to the welding gun.
In the figure, 1-top plate, 2-filler, 3-copper plate with holes, 4-screen, 5-protective curtain, 6-peripheral frame, 7-welding gun clamp, 8-locking nail, 9-vent pipe, 10-vent hole a, 11-vent pipe b, 12-chute, 13-protective curtain sheet, 14-limiting block, 15-slide rail and 16-welding gun.
Detailed Description
According to the drawings of 1-6, an automatic argon tungsten-arc welding self-adaptive protective dragging cover comprises a top plate 1, a steel wire filler 2, a copper plate 3 with holes, a screen 4, a vent pipe 9, a protective curtain 5, a peripheral frame 6 and a welding gun clamp 7;
the top plate 1 is arranged at the upper end of the peripheral frame 6, the screen 4 is arranged on the copper plate with holes 3, and the copper plate with holes 3 is arranged on the peripheral frame 6;
the peripheral frame 6, the top plate 1 and the copper plate 3 with holes form a cavity of the dragging cover, and the vent pipe 9 is connected by a vertical vent pipeline and a transverse vent pipeline to form an inverted T shape;
one end of a vertical vent pipeline is led out of the cavity of the drag cover from the upper part of the top plate, the other end of the vertical vent pipeline is connected to a transverse pipeline, and two ends of the transverse pipeline are blocked;
the top of the transverse pipeline is uniformly provided with air outlet holes a 10;
the copper plate with holes 3 is provided with air outlet holes b 11;
the cavity of the mop cover is uniformly provided with fillers 2;
the drag cover is evenly provided with a plurality of sliding chutes 12 along the peripheral frame 6, the protective curtain sheet body 3 is arranged in a sliding rail 15 to form the protective curtain 5, and two ends of the sliding rail 15 of the protective curtain sheet body 13 are provided with limiting blocks 14 for limiting the formation of the protective curtain sheet body 13 and preventing the sheet body from falling off;
each protective curtain sheet body 13 can independently move along the slide rail 15 without mutual influence;
the welding gun clamp 7 is fixed on one side of the dragging cover, and a welding gun 16 is fixed through a locking nail 8 on the welding gun clamp 7.
The copper plate 3 with holes is made of red copper.
The vent pipe 8, the peripheral frame 6, the screen 4 and the welding gun clamp 7 are all made of heat-resistant stainless steel.
The filler 2 is a steel wire.
The working principle of the automatic argon tungsten-arc welding self-adaptive protective dragging cover is as follows: the drag cover is fixed on a nozzle of a welding gun 16 through a welding gun clamp 7, the length direction of the drag cover is consistent with the length direction of a welding seam, the lower part of the protective curtain sheet body is in contact with the surface of a part, the protective curtain sheet body automatically moves up and down according to the surface shape of the part, and the surface of the part, the protective curtain sheet body and the screen jointly form a protective space.
The protective gas passes through vertical vent line and gets into horizontal breather pipe 9, horizontal vent line both ends are sealed up, the top evenly is equipped with venthole a10, the protective gas blows to the roof from horizontal breather pipe top venthole a10, the bounce-back gets into the trailer cavity, then in getting into filler 2, realize the homogenization of gas flow for the first time, then, protective gas carries out the secondary homogenization through foraminiferous copper 3, rethread screen 4, realize the cubic homogenization, evenly spray to the part surface at last, in the protection space that protective curtain lamellar body 13 and screen cloth 4 constitute jointly, be full of protective gas, isolated air.
When the welding gun 16 or the workpiece moves, the dragging cover protective curtain body 13 can automatically change according to the surface shape of the part, and a protective space is formed between the dragging cover protective curtain body and the part all the time. Meanwhile, the lower end of the protective curtain sheet body 13 is of an arc structure, so that the parts are prevented from being scratched, and the resistance is reduced.
When the welding gun clamp is used, the dragging cover welding gun clamp 7 is sleeved on the equipment welding gun 16, the dragging cover angle is adjusted, the length direction of the dragging cover is made to be along the direction of a welding seam, and the locking nail 8 is screwed down to fix the dragging cover; then, the external protective gas pipeline is connected with the draft tube 9 of the drag cover, the welding gun 16 is slowly moved to enable the tungsten electrode to be close to the surface of the part for a certain height (the height is the height required by the welding process), the protective curtain sheet body 13 is firstly contacted with the surface of the part and moves along the sliding groove to form a protective area, and then the welding work can be started.
Claims (5)
1. An automatic argon tungsten-arc welding self-adaptive protective dragging cover is characterized by comprising a top plate, steel wire fillers, a copper plate with holes, a screen, a vent pipe, a protective curtain, a peripheral frame and a welding gun clamp;
the top plate is arranged at the upper end of the edge frame, the screen is arranged on the copper plate with holes, and the copper plate with holes is arranged on the edge frame;
the peripheral frame, the top plate and the copper plate with holes form a cavity of the dragging cover, and the vent pipe is connected by a vertical vent pipeline and a transverse vent pipeline to form an inverted T shape;
one end of a vertical vent pipeline is led out of the cavity of the drag cover from the upper part of the top plate, the other end of the vertical vent pipeline is connected to a transverse pipeline, and two ends of the transverse pipeline are blocked;
the top of the transverse pipeline is uniformly provided with air outlet holes a;
the copper plate with the holes is provided with air outlet holes b;
the cavity of the mop cover is uniformly filled with fillers;
the drag cover is uniformly provided with a plurality of sliding chutes along the peripheral frame, the protective curtain sheet body is arranged in the sliding rail to form the protective curtain, and the two ends of the sliding rail of the protective curtain sheet body are provided with limiting blocks for limiting the formation of the protective curtain sheet body and preventing the sheet body from falling off;
each protective curtain sheet body can independently move along the slide rail without mutual influence;
the welding gun clamp is fixed on one side of the dragging cover, and a welding gun is fixed through a locking nail on the welding gun clamp.
2. The automatic argon tungsten-arc welding adaptive protective dragging cover according to claim 1, wherein the copper plate with holes is made of red copper.
3. The automatic argon tungsten-arc welding self-adaptive protective dragging cover according to claim 1, wherein the material of the vent pipe, the peripheral frame, the screen and the welding gun clamp is heat-resistant stainless steel.
4. The automatic argon tungsten-arc welding adaptive protective dragging cover according to claim 1, wherein the filler is a steel wire.
5. The automatic argon tungsten-arc welding self-adaptive protection dragging cover according to claim 1, wherein the length direction of the dragging cover is consistent with the length direction of a welding seam, the lower part of the protection curtain sheet body is in contact with the surface of a part, the protection curtain sheet body automatically performs self-adaptive movement according to the surface shape of the part, and the surface of the part, the protection curtain sheet body and a screen jointly form a protection space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911169595.2A CN110834134B (en) | 2019-11-26 | 2019-11-26 | Automatic argon tungsten-arc welding self-adaptive protective dragging cover |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911169595.2A CN110834134B (en) | 2019-11-26 | 2019-11-26 | Automatic argon tungsten-arc welding self-adaptive protective dragging cover |
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| Publication Number | Publication Date |
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| CN110834134A CN110834134A (en) | 2020-02-25 |
| CN110834134B true CN110834134B (en) | 2021-05-28 |
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| CN201911169595.2A Active CN110834134B (en) | 2019-11-26 | 2019-11-26 | Automatic argon tungsten-arc welding self-adaptive protective dragging cover |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113996898B (en) * | 2021-11-11 | 2023-02-17 | 广东省科学院中乌焊接研究所 | Welding shielding gas hood and welding system |
| CN114346388B (en) * | 2021-12-02 | 2023-01-06 | 华南理工大学 | Lockhole effect tungsten electrode argon arc welding protection tail cover |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1322229C (en) * | 1988-06-23 | 1993-09-14 | Walter Schnorrer | Process for hindgas coverage in arc welding and hindgas device for carrying out of the process |
| CN105598562B (en) * | 2014-11-20 | 2017-11-10 | 中国人民解放军装甲兵工程学院 | Protection device and method for the titanium or titanium alloy increasing material manufacturing based on welding procedure |
| CN105269132A (en) * | 2015-11-11 | 2016-01-27 | 西安交通大学 | Weld joint real-time protection cover during welding |
| CN205927466U (en) * | 2016-07-19 | 2017-02-08 | 昆山华焊科技有限公司 | Welder drags cover with hysteresis protection gas that distributes gas circuit many times |
| CN207606387U (en) * | 2017-12-07 | 2018-07-13 | 潍坊金健钛设备有限公司 | A kind of protective device welded for zirconium and zircaloy |
| CN109909592A (en) * | 2019-03-15 | 2019-06-21 | 天津大学 | A kind of electric arc increasing material manufacturing adjustable hangover gas shield cover and its application method |
| CN110369841A (en) * | 2019-09-02 | 2019-10-25 | 昆山蒂恒环保设备技术有限公司 | Three axis gas hood of robot welding |
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