CN111702291A - Automatic welding device and welding method for thin-wall straight guide pipe - Google Patents
Automatic welding device and welding method for thin-wall straight guide pipe Download PDFInfo
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- CN111702291A CN111702291A CN202010534887.8A CN202010534887A CN111702291A CN 111702291 A CN111702291 A CN 111702291A CN 202010534887 A CN202010534887 A CN 202010534887A CN 111702291 A CN111702291 A CN 111702291A
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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
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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
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention belongs to the technical field of aviation, and discloses a welding device and a welding method for a thin-wall straight guide pipe, wherein an automatic butt-joint device is used for butt-jointing a longitudinal seam of the thin-wall straight guide pipe to be welded, then an automatic welding machine is used for realizing automatic welding of the longitudinal seam of the guide pipe, the butt-joint and welding of the longitudinal seam of the straight guide pipe can be automatically processed through a control program, the labor intensity is low, and the welding quality is stable; when the longitudinal seams of the thin-wall straight pipes with different diameters are welded, only the specifications of the corresponding butt seam wheels need to be changed, and the universality is strong; the rolled thin-wall straight pipe is sleeved on the mandrel, the butt joint and welding processing of the longitudinal joint of the straight pipe can be completed by calling a processing program, the whole process can be completed by one-man operation, the production efficiency is high, and the operation process is easy and simple.
Description
Technical Field
The invention belongs to the technical field of aviation assembly, relates to a manufacturing device and a manufacturing method of a guide pipe type aviation part, and particularly relates to a thin-wall straight guide pipe welding device and a welding method.
Background
The aviation equipment needs a thin-wall straight pipe which is formed by rolling a thin steel plate (less than or equal to 1mm), and the existing thin-wall straight pipe is processed by the following method: preparing a standard mandrel, manually rolling a thin steel plate on the mandrel, and then welding a butt joint; when the straight pipe is welded, if the butt joint gap, the gap uniformity and the misalignment amount of the edge to be welded exceed the technical requirements, the quality problems that cracks, holes burnt through, the size of the residual height cannot reach the standard and the like can occur in the welding line. In the past, due to the lack of a special straight pipe butt-joint device, pneumatic keys are used under the action of manpower when the longitudinal joints of straight pipes are welded, the labor intensity is high, the working efficiency is low, the butt-joint quality seriously depends on the skill level of operators, and the quality stability is poor.
Patent CN201910140034.3 discloses a through barrel longitudinal joint automatic welder, which utilizes a plurality of cylinders to arrange and carry out automatic butt joint and welding to the barrel, has solved the problem of automatic welding, but the control of butt joint clearance, clearance uniformity and misalignment amount still is a problem.
Disclosure of Invention
In order to solve the problems, the invention provides a thin-wall straight conduit welding device and a welding method, which have the advantages of low labor intensity, high production efficiency and stable butt joint or welding quality.
The utility model provides a straight pipe welding set of thin wall, the on-line screen storage device comprises a base, the dabber support, the dabber, the butt joint wheel, welder, material feeding unit, the dabber passes through the dabber support to be erect on the base, material feeding unit and base fixed connection establish in the dabber below, two butt joint wheel symmetries set up and be a butt joint subassembly in dabber both sides, butt joint wheel and base fixed connection, two butt joint subassemblies are established respectively in dabber middle section position and anterior segment position, the interval of two butt joint subassemblies is drawn in to dabber anterior segment position by dabber middle section position.
Furthermore, the mandrel supports are multiple and are connected with the mandrels through guide pieces, and the width of the bottoms of the guide pieces is determined by the butt seam width required by the guide pipe.
Furthermore, the sewing machine also comprises a butt-joint motor which is connected with and controls the distance between the butt-joint wheels. The motor is used for controlling the distance between the butt seam wheels, the butt seam wheel is more accurate than manual work, and the butt seam wheel can be automatically controlled through a numerical control program.
Furthermore, the feeding device comprises a feeding sliding block and a feeding motor, and the feeding motor is connected with and controls the feeding sliding block to move. The starting and moving speed of the feeding device is controlled by the motor, which is more accurate than manual work and can be automatically controlled by a numerical control program.
Furthermore, the welding machine further comprises an electric control system, and the electric control system is connected with the butt seam motor, the feeding motor and the welding gun.
A thin-wall straight guide pipe welding method uses the thin-wall straight guide pipe welding device and comprises the following steps:
step one, adjusting a feeding slide block to a starting point position;
sleeving a to-be-welded guide pipe on a mandrel, wherein the to-be-butt-jointed part needs to be aligned with a guide sheet;
thirdly, adjusting the distance between each group of butt joint components according to the welding assembly gap requirement of the guide pipe to be welded;
driving a feeding sliding block to push a straight guide pipe to be welded to move forwards;
fifthly, when the front part of the guide pipe to be welded moves to the position below a fixed welding gun, the welding gun ignites an electric arc to start welding;
and step six, when the rear part of the guide pipe to be welded moves to the position below the fixed welding gun, stopping arc quenching welding by the welding gun, and finishing welding the guide pipe.
And further, the fourth step, the fifth step and the sixth step are controlled by an electric control system.
Furthermore, the electronic control system comprises a conduit welding program and a welding library, wherein straight conduit welding parameters of various materials, pipe diameters and pipe wall thicknesses are stored in the welding library, and the conduit welding program automatically controls the distance between each group of butt joint components, the moving speed of the feeding slide block and the working time of the welding gun according to preset welding parameters. An operator can select the type of the conduit to be welded through a computer or a control window and other terminals, and then the electric control system automatically and accurately completes the welding of the conduit, so that the welding efficiency and the welding effect are ensured.
The invention has the advantages that: by the device and the method, the longitudinal seam butt joint and welding of the straight guide pipe can be automatically processed by a control program, the labor intensity is low, and the welding quality is stable; when the longitudinal seams of the thin-wall straight pipes with different diameters are welded, only the specifications of the corresponding butt seam wheels need to be changed, and the universality is strong; the rolled thin-wall straight pipe is sleeved on the mandrel, the butt joint and welding processing of the longitudinal joint of the straight pipe can be completed by calling a processing program, the whole process can be completed by one-man operation, the production efficiency is high, and the operation process is easy and simple.
Drawings
FIG. 1 is a schematic diagram of the apparatus of the present invention;
FIG. 2 is a schematic view of a welding scenario of the present invention;
the welding device comprises a mandrel 1, a butt-joint wheel 2, a welding gun 3, a guide pipe to be welded 4, a guide sheet 5, a feeding sliding block 6 and a feeding motor 7.
Detailed Description
This section is an example of the present invention and is provided to explain and illustrate the technical solutions of the present invention.
The invention firstly relates to a thin-wall straight catheter welding device, which comprises a base, a mandrel support, a mandrel 1, butt seam wheels 2, a welding gun 3 and a feeding device, wherein the mandrel 1 is erected on the base through the mandrel support, the feeding device is fixedly connected with the base and arranged below the mandrel 1, the two butt seam wheels 2 are symmetrically arranged on two sides of the mandrel 1 to form a butt seam component, the butt seam wheels 2 are fixedly connected with the base, the two butt seam components are respectively arranged at the middle section position and the front section position of the mandrel 1, and the distance between the two butt seam components is folded from the middle section position of the mandrel 1 to the front section position of the mandrel 1.
The device of the invention comprises a plurality of mandrel supports, wherein the mandrel supports are connected with the mandrel 1 through the guide sheet 5, and the width of the bottom of the guide sheet 5 is determined by the butt seam width required by the catheter.
The butt joint component also comprises a butt joint motor which is connected with and controls the distance between the butt joint wheels 2.
The feeding device comprises a feeding sliding block 6 and a feeding motor 7, and the feeding motor 7 is connected with and controls the feeding sliding block 6 to move.
The device can also comprise an electric control system, the electric control system is connected with the butt joint motor, the feeding motor 7 and the welding gun, a conduit welding program and a welding library are arranged in the electric control system, straight conduit welding parameters of various materials, pipe diameters and pipe wall thicknesses are stored in the welding library, and the conduit welding program automatically controls the distance between each group of butt joint components, the moving speed of the feeding sliding block 6 and the working time of the welding gun 3 according to preset welding parameters.
The method of the invention is a thin-wall straight guide pipe welding method, and the welding device of the thin-wall straight guide pipe comprises the following steps:
step one, adjusting a feeding slide block 6 to a starting point position;
step two, sleeving a guide pipe 4 to be welded on the mandrel 1, and aligning the seam to be welded with the guide sheet 5;
step three, starting an electric control system, and selecting the type of the conduit 4 to be welded;
step three, the electric control system automatically adjusts the distance between each group of butt joint components according to the welding assembly gap requirement of the guide pipe 4 to be welded;
step four, the electric control system automatically drives the feeding slide block 6 to push the straight guide pipe to be welded to move forwards;
step five, when the front part of the guide pipe 4 to be welded moves to the lower part of a fixed welding gun, the electric control system automatically drives the welding gun to ignite electric arcs to start welding;
and step six, when the rear part of the guide pipe 4 to be welded moves to the position below the fixed welding gun, the electric control system automatically drives the welding gun to stop arc extinguishing welding, and the guide pipe is welded.
Claims (8)
1. The utility model provides a straight pipe welding set of thin wall, a serial communication port, the on-line screen storage device comprises a base, the dabber support, dabber (1), butt joint wheel (2), welder (3), material feeding unit, dabber (1) erects on the base through the dabber support, material feeding unit and base fixed connection establish in dabber (1) below, two butt joint wheel (2) symmetries set up to be a butt joint subassembly in dabber (1) both sides, butt joint wheel (2) and base fixed connection, two butt joint subassemblies are established respectively in dabber (1) middle section position and anterior segment position, the interval of two butt joint subassemblies is drawn in to dabber (1) anterior segment position by dabber (1) middle section position.
2. A thin-walled straight pipe welding device according to claim 1, characterized in that, the mandrel supports are multiple, the multiple mandrel supports are connected with the mandrel (1) through the guide piece (5), and the width of the bottom of the guide piece (5) is determined by the required butt seam width of the pipe.
3. The thin-wall straight pipe welding device according to claim 2, characterized by further comprising a butt seam motor, wherein the butt seam motor is connected with and controls the butt seam wheel (2) to rotate.
4. The thin-wall straight conduit welding device according to the claim 3, characterized in that the feeding device comprises a feeding slide block (6) and a feeding motor (7), and the feeding motor (7) is connected with and controls the feeding slide block (6) to move.
5. The thin-walled straight pipe welding device according to claim 4, characterized by further comprising an electric control system, wherein the electric control system is connected with the butt seam motor, the feeding motor (7) and the welding gun.
6. A thin-walled straight pipe welding method using a thin-walled straight pipe welding apparatus according to claim 5, comprising the steps of:
step one, adjusting a feeding slide block (6) to a starting point position;
sleeving a to-be-welded guide pipe (4) on the mandrel (1), and aligning the to-be-butt-jointed position with the guide sheet (5);
thirdly, adjusting the distance between each group of butt joint components according to the welding assembly gap requirement of the guide pipe (4) to be welded;
driving a feeding sliding block (6) to push the straight guide pipe to be welded to move forwards;
fifthly, when the front part of the guide pipe (4) to be welded moves to the position below a fixed welding gun, the welding gun ignites an electric arc to start welding;
and step six, when the rear part of the guide pipe (4) to be welded moves to the position below the fixed welding gun, the arc quenching welding of the welding gun is stopped, and the guide pipe is welded.
7. The thin-walled straight pipe welding method according to claim 6, wherein the fourth step, the fifth step and the sixth step are controlled by an electronic control system.
8. The thin-wall straight guide pipe welding method according to claim 7, characterized in that the electric control system comprises a guide pipe welding program and a welding library, welding parameters of straight guide pipes with various materials and pipe diameters are stored in the welding library, and the guide pipe welding program automatically controls the spacing of each group of butt joint components, the moving speed of the feeding sliding block (6) and the rotating speed of the butt joint wheel (2) according to preset welding parameters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010534887.8A CN111702291B (en) | 2020-06-12 | 2020-06-12 | Automatic welding device and welding method for thin-wall straight guide pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010534887.8A CN111702291B (en) | 2020-06-12 | 2020-06-12 | Automatic welding device and welding method for thin-wall straight guide pipe |
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| Publication Number | Publication Date |
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| CN111702291A true CN111702291A (en) | 2020-09-25 |
| CN111702291B CN111702291B (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010534887.8A Active CN111702291B (en) | 2020-06-12 | 2020-06-12 | Automatic welding device and welding method for thin-wall straight guide pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115555805A (en) * | 2022-09-30 | 2023-01-03 | 陕西飞机工业有限责任公司 | Large-diameter airplane guide pipe digital manufacturing method |
Citations (6)
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|---|---|---|---|---|
| JP2001259733A (en) * | 2000-03-16 | 2001-09-25 | Mitsubishi Shindoh Co Ltd | Method and apparatus for manufacturing seam welded pipe |
| CN201033391Y (en) * | 2007-09-11 | 2008-03-12 | 傅氏国际（大连）双金属线缆有限公司 | Stable weld joint device |
| CN202861667U (en) * | 2012-10-26 | 2013-04-10 | 佛山市精一自动化设备有限公司 | Tunnel type straight seam welder |
| CN104708182A (en) * | 2015-02-26 | 2015-06-17 | 无锡奇能焊接系统有限公司 | Welding device for internally-clad stainless steel tube of clad steel plate |
| CN206632542U (en) * | 2017-02-28 | 2017-11-14 | 云南昆钢新型复合材料开发有限公司 | A kind of straight-seam pipes tubulation welding controller |
| CN107971692A (en) * | 2018-01-10 | 2018-05-01 | 佛山市奥浦麦机械科技有限公司 | A kind of stainless steel welded pipe deviation correcting device |
-
2020
- 2020-06-12 CN CN202010534887.8A patent/CN111702291B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001259733A (en) * | 2000-03-16 | 2001-09-25 | Mitsubishi Shindoh Co Ltd | Method and apparatus for manufacturing seam welded pipe |
| CN201033391Y (en) * | 2007-09-11 | 2008-03-12 | 傅氏国际（大连）双金属线缆有限公司 | Stable weld joint device |
| CN202861667U (en) * | 2012-10-26 | 2013-04-10 | 佛山市精一自动化设备有限公司 | Tunnel type straight seam welder |
| CN104708182A (en) * | 2015-02-26 | 2015-06-17 | 无锡奇能焊接系统有限公司 | Welding device for internally-clad stainless steel tube of clad steel plate |
| CN206632542U (en) * | 2017-02-28 | 2017-11-14 | 云南昆钢新型复合材料开发有限公司 | A kind of straight-seam pipes tubulation welding controller |
| CN107971692A (en) * | 2018-01-10 | 2018-05-01 | 佛山市奥浦麦机械科技有限公司 | A kind of stainless steel welded pipe deviation correcting device |
Non-Patent Citations (1)
| Title |
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| 殷国茂 等: "《中国钢管飞速发展的10年》", 31 December 2009, 四川科学技术出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115555805A (en) * | 2022-09-30 | 2023-01-03 | 陕西飞机工业有限责任公司 | Large-diameter airplane guide pipe digital manufacturing method |
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| CN111702291B (en) | 2022-04-19 |
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