CN113263281B - Method for welding thin plate and thick plate - Google Patents
Method for welding thin plate and thick plate Download PDFInfo
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- CN113263281B CN113263281B CN202110539922.XA CN202110539922A CN113263281B CN 113263281 B CN113263281 B CN 113263281B CN 202110539922 A CN202110539922 A CN 202110539922A CN 113263281 B CN113263281 B CN 113263281B
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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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Resistance Welding (AREA)
Abstract
The invention discloses a method for welding a thin plate and a thick plate, and relates to the technical field of welding. The welding device is characterized in that the position, needing to be welded, of a thin plate and the position, needing to be welded, of a thick plate are fixed, the position, needing to be welded, of the thin plate is flanged, the flanging distance value is 2-4 times that of the thin plate, the flanging angle is 30-90 degrees, welding equipment is prepared, the flanging position on the thin plate is moved, the flanging position of the thin plate and the position, needing to be welded, of the thick plate are attached, the edge position after flanging is welded through the welding equipment, after welding, surface welding slag is removed after cooling for a certain time, welding integrity is checked, and after welding is finished, the problems that the overall deformation of a product is large due to thermal stress generated by welding, the precision cannot be guaranteed, and the quality of a welding seam cannot be guaranteed easily are solved.
Description
Technical Field
The invention relates to the technical field of welding, in particular to a method for welding a thin plate and a thick plate.
Background
Welding, also known as fusion welding, is a manufacturing process and technique for joining metals or other thermoplastic materials, such as plastics, by means of heat, high temperature or high pressure.
The energy sources for modern welding are many, including gas flame, electric arc, laser, electron beam, friction, and ultrasonic, among others. In addition to use in a factory, welding can be performed in a variety of environments, such as the field, underwater, and space. Wherever welding can be dangerous for the operator, appropriate precautions must be taken while welding is being performed. The possible injuries to human body caused by welding include burn, electric shock, visual impairment, toxic gas inhalation, over-irradiation of ultraviolet rays, etc.
The traditional welding mode of the thin plate and the thick plate is T-shaped welding, the whole deformation of the product is large due to the thermal stress generated by welding, the precision cannot be guaranteed, and the quality of a welding seam is not easy to guarantee.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a method for welding a thin plate and a thick plate, and solves the problems that the overall deformation of a product is large due to thermal stress generated by welding, the precision cannot be ensured, and the quality of a welding seam is not easy to ensure.
In order to achieve the purpose, the invention is realized by the following technical scheme: a method for welding a thin plate and a thick plate comprises the following steps:
step S1: preparing a thin plate and a thick plate which need to be welded, and fixing the positions of the thin plate and the thick plate which need to be welded, so that the preparation work is finished;
step S2: flanging the position of the thin plate to be welded, wherein the flanging distance is 2-4 times of that of the thin plate, the flanging angle is 30-90 degrees, and preparing welding equipment;
step S3: moving the flanging position on the thin plate, attaching the flanging position of the thin plate to a position needing to be welded on the thick plate, and welding the edge position after flanging by using welding equipment;
step S4: and after welding, cooling for a certain time, removing surface welding slag, checking the integrity of welding, and finishing welding.
As a further scheme of the invention: welding equipment includes the welding equipment main part, the bottom of welding equipment main part is provided with the welder spout, the fixed guide way piece that is provided with in surface one side of welding equipment main part, the inside slip of guide way piece is provided with sliding panel, it is provided with fastening screw to rotate on sliding panel's the top terminal surface, be provided with the damping axis of rotation on sliding panel's the surperficial middle-end, it is provided with the fixed connection base member to rely on the damping axis of rotation to rotate on sliding panel's the interlude, the fixed mounting substrate that is provided with in bottom of fixed connection base member, mounting substrate's bottom joint is fixed with down the elastic cylinder, the fixed damping pivot that is provided with down on the motion end of elastic cylinder down, the motion end of elastic cylinder is served and is relied on the damping pivot and is rotated and is provided with the clamp plate down, the bottom of clamp plate is rotated and is provided with the roller bearing.
As a further scheme of the invention: the rolling shafts are arranged at the bottom of the pressing plate in a rotating array mode.
As a further scheme of the invention: the inner side of the fixed connection base body and the surface of the sliding panel are fixedly provided with buffering limiting blocks, and the positions of the buffering limiting blocks on the inner side of the fixed connection base body are matched with the positions of the buffering limiting blocks on the surface of the sliding panel.
As a further scheme of the invention: the length value of the lower elastic cylinder at the maximum stroke is larger than that of a nozzle of a welding gun.
As a further scheme of the invention: the operation method of the welding equipment comprises the following steps:
step SS 1: putting the whole device to a position to be welded, pre-testing the welding length, and finishing the preparation work;
step SS 2: measuring the length of the pre-test welding in the step S1, rotating a fastening screw, adjusting the position of the sliding panel on the guide groove block according to the length of the pre-test welding measured in the step SS2, adjusting the rotation angle values of the lower damping rotating shaft and the lower damping rotating shaft, fastening the fastening screw after the position is determined, aligning the pressure plate to the position to be welded, and contacting the rolling shaft with the welded surface;
step SS 3: and (3) starting a welding gun nozzle, moving the position to be welded, enabling the rolling shaft to be in contact with the welded surface position, uniformly moving, and enabling the welding gun nozzle to penetrate through the middle position of the pressing plate to finish welding.
Advantageous effects
The invention provides a method for welding a thin plate and a thick plate. Compared with the prior art, the method has the following beneficial effects:
1. a method for welding a thin plate and a thick plate comprises fixing the position of the thin plate and the thick plate to be welded, flanging the position of the thin plate to be welded at a flanging distance of 2-4 times of the thin plate at a flanging angle of 30-90 degrees, preparing welding equipment, moving the flanging position on the thin plate, attaching the flanging position of the thin plate to the position needing welding on the thick plate, the edge position after flanging is welded by welding equipment, after welding, the edge position is cooled for a certain time, surface welding slag is removed, welding integrity is checked, and after welding, the problems that the overall deformation of a product is large, the precision cannot be ensured and the quality of a welding line cannot be ensured due to thermal stress generated by welding are solved, therefore, the whole deformation of the bracket is smaller due to the influence of thermal stress, the precision is ensured, and meanwhile, the quality of a welding seam is easier to ensure.
2. A welding method of a thin plate and a thick plate is characterized in that a welding gun nozzle is arranged at the bottom of a welding equipment main body, a guide groove block is fixedly arranged on one side of the surface of the welding equipment main body, a sliding panel is arranged in the guide groove block in a sliding mode, a fastening screw is rotatably arranged on the top end face of the sliding panel, a damping rotating shaft is arranged at the middle end of the surface of the sliding panel, a fixed connecting base body is rotatably arranged on the middle section of the sliding panel by virtue of the damping rotating shaft, a mounting base plate is fixedly arranged at the bottom of the fixed connecting base body, a lower elastic cylinder is fixedly clamped and connected at the bottom of the mounting base plate, a lower damping rotating shaft is fixedly arranged at the moving end of the lower elastic cylinder, a pressing plate is rotatably arranged at the moving end of the lower elastic cylinder by virtue of the lower damping rotating shaft, a rolling shaft is rotatably arranged at the bottom of the pressing plate, so that the pressing plate is welded, and the welding position is subjected to auxiliary extrusion and fixation, so that the stability of welding is ensured.
Drawings
FIG. 1 is a schematic view of the welding of the present invention;
FIG. 2 is a schematic view of a conventional weld;
FIG. 3 is a schematic view of a welding apparatus according to the present invention;
fig. 4 is a front view of the welding apparatus of the present invention.
In the figure: 1. welding the device body; 2. a guide groove block; 3. a sliding panel; 4. fastening screws; 5. a damping rotating shaft; 6. fixedly connecting a base body; 7. a buffer limit block; 8. a lower elastic cylinder; 9. a lower damping rotating shaft; 10. a welding gun nozzle; 11. pressing a plate; 12. a roller; 13. and mounting the substrate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a method for welding a thin plate and a thick plate comprises the following steps:
step S1: preparing a thin plate and a thick plate which need to be welded, and fixing the positions of the thin plate and the thick plate which need to be welded, so that the preparation work is finished;
step S2: flanging the position of the thin plate to be welded, wherein the flanging distance is 2-4 times of that of the thin plate, the flanging angle is 30-90 degrees, and preparing welding equipment;
step S3: moving the flanging position on the thin plate, attaching the flanging position of the thin plate to a position needing to be welded on the thick plate, and welding the edge position after flanging by using welding equipment;
step S4: and after welding, cooling for a certain time, removing surface welding slag, checking the integrity of welding, and finishing welding.
The welding equipment comprises a welding equipment main body 1, wherein a welding gun nozzle 10 is arranged at the bottom of the welding equipment main body 1, a guide groove block 2 is fixedly arranged on one side of the surface of the welding equipment main body 1, a sliding panel 3 is arranged in the guide groove block 2 in a sliding manner, a fastening screw 4 is rotatably arranged on the top end surface of the sliding panel 3, a damping rotating shaft 5 is arranged at the middle end of the surface of the sliding panel 3, a fixed connecting base body 6 is rotatably arranged on the middle section of the sliding panel 3 by virtue of the damping rotating shaft 5, a mounting base plate 13 is fixedly arranged at the bottom of the fixed connecting base body 6, a lower elastic cylinder 8 is fixedly clamped at the bottom of the mounting base plate 13, a lower damping rotating shaft 9 is fixedly arranged on the moving end of the lower elastic cylinder 8, and a pressing plate 11 is rotatably arranged on the moving end of the lower elastic cylinder 8 by virtue of the lower damping rotating shaft 9, the bottom of the pressing plate 11 is rotatably provided with a plurality of rollers 12, the rollers 12 are arranged at the bottom of the pressing plate 11 in a rotating array mode, the inner side of the fixedly connected base body 6 and the surface of the sliding panel 3 are fixedly provided with buffering limiting blocks 7, the positions of the buffering limiting blocks 7 on the inner side of the fixedly connected base body 6 are matched with the positions of the buffering limiting blocks 7 on the surface of the sliding panel 3, and the length value of the lower elastic cylinder 8 at the maximum stroke position is larger than that of the welding gun nozzle 10.
The operation method of the welding equipment comprises the following steps:
step SS 1: putting the whole device to a position to be welded, pre-testing the welding length, and finishing the preparation work;
step SS 2: measuring the length of the pre-test welding in the step SS1, rotating the fastening screw 4, adjusting the position of the sliding panel 3 on the guide groove block 2 according to the length of the pre-test welding measured in the step SS2, adjusting the rotation angle values of the lower damping rotating shaft 9 and the lower damping rotating shaft 5, fastening the fastening screw 4 after the position is determined, aligning the pressure plate 11 to the position to be welded, and contacting the rolling shaft 12 with the surface to be welded;
step SS 3: and (3) starting the welding gun nozzle 10, moving the position to be welded, enabling the roller 12 to be in contact with the surface to be welded and move uniformly, and enabling the welding gun nozzle 10 to penetrate through the middle position of the pressure plate 11 to finish welding.
When the welding device is used, a thin plate and a thick plate which need to be welded are prepared, the position, needing to be welded, of the thin plate is fixed, the preparation work is finished, the position, needing to be welded, of the thin plate is flanged, the flanging distance value is 2-4 times that of the thin plate, the flanging angle is 30-90 degrees, the welding device is prepared, the flanging position on the thin plate is moved, the flanging position of the thin plate is attached to the position, needing to be welded, of the thick plate, the flanged edge position is welded through the welding device, after welding, the edge position is cooled for a certain time, welding slag on the surface is removed, welding integrity is checked, and welding is finished;
when the welding equipment is used, the whole device is placed at a position needing welding, the welding length is subjected to pre-test, the preparation work is completed, the pre-test welding length is measured, the fastening screw 4 is rotated, the position of the sliding panel 3 on the guide groove block 2 is adjusted according to the measured pre-test welding length, the position of the sliding panel 3 on the guide groove block 2 is adjusted, the rotation angle values of the lower damping rotating shaft 9 and the lower damping rotating shaft 5 are adjusted, the fastening screw 4 is fastened after the position is determined, the pressing plate 11 is aligned to the position needing welding, the rolling shaft 12 is in contact with the surface to be welded, the welding gun nozzle 10 is started to move the position needing welding, the rolling shaft 12 is in contact with the surface to be welded and moves uniformly, and the welding gun nozzle 10 penetrates through the middle position of the pressing plate 11 to complete welding.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Claims (5)
1. A method for welding a thin plate and a thick plate is characterized in that: the method comprises the following steps:
step S1: preparing a thin plate and a thick plate which need to be welded, and fixing the positions of the thin plate and the thick plate which need to be welded, so that the preparation work is finished;
step S2: flanging the position of the thin plate to be welded, wherein the flanging distance is 2-4 times of that of the thin plate, the flanging angle is 30-90 degrees, and preparing welding equipment;
step S3: moving the flanging position on the thin plate, attaching the flanging position of the thin plate to a position needing to be welded on the thick plate, and welding the edge position after flanging by using welding equipment;
step S4: after welding, cooling for a certain time, removing surface welding slag, checking the welding integrity, and finishing welding;
the welding equipment comprises a welding equipment main body (1), wherein a welding gun nozzle (10) is arranged at the bottom of the welding equipment main body (1), a guide groove block (2) is fixedly arranged on one side of the surface of the welding equipment main body (1), a sliding panel (3) is arranged in the guide groove block (2) in a sliding mode, a fastening screw (4) is arranged on the top end face of the sliding panel (3) in a rotating mode, a damping rotating shaft (5) is arranged at the middle end of the surface of the sliding panel (3), a fixed connection base body (6) is arranged on the middle section of the sliding panel (3) in a rotating mode depending on the damping rotating shaft (5), a mounting base plate (13) is fixedly arranged at the bottom of the fixed connection base body (6), a lower elastic cylinder (8) is fixed to the bottom of the mounting base plate (13) in a clamping mode, a lower damping rotating shaft (9) is fixedly arranged at the motion end of the lower elastic cylinder (8), the motion end of the lower elastic cylinder (8) is rotatably provided with a pressing plate (11) by means of a lower damping rotating shaft (9), and the bottom of the pressing plate (11) is rotatably provided with a rolling shaft (12).
2. The method according to claim 1, wherein the welding method comprises the following steps: the rolling shafts (12) are arranged at the bottom of the pressing plate (11), and the rolling shafts (12) are arranged at the bottom of the pressing plate (11) in a rotating array mode.
3. The method according to claim 1, wherein the welding method comprises the following steps: the inner side of the fixed connection base body (6) and the surface of the sliding panel (3) are fixedly provided with buffering limiting blocks (7), and the positions of the buffering limiting blocks (7) on the inner side of the fixed connection base body (6) are matched with the positions of the buffering limiting blocks (7) on the surface of the sliding panel (3).
4. The method according to claim 1, wherein the welding method comprises the following steps: the length value of the lower elastic cylinder (8) at the maximum stroke is larger than that of the welding gun nozzle (10).
5. The method according to claim 1, wherein the welding method comprises the following steps: the operation method of the welding equipment comprises the following steps:
step SS 1: putting the whole device to a position to be welded, pre-testing the welding length, and finishing the preparation work;
step SS 2: measuring the length of the pre-test welding in the step SS1, rotating the fastening screw (4), adjusting the position of the sliding panel (3) on the guide groove block (2) according to the length of the pre-test welding measured in the step SS2, adjusting the rotation angle values of the lower damping rotating shaft (9) and the damping rotating shaft (5), fastening the fastening screw (4) after the position is determined, aligning the pressure plate (11) to the position to be welded, and contacting the rolling shaft (12) with the surface to be welded;
step SS 3: and (3) starting the welding gun nozzle (10), moving the position to be welded, enabling the roller (12) to be in contact with the surface position to be welded and move uniformly, and enabling the welding gun nozzle (10) to penetrate through the middle position of the pressure plate (11) to finish welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110539922.XA CN113263281B (en) | 2021-05-18 | 2021-05-18 | Method for welding thin plate and thick plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110539922.XA CN113263281B (en) | 2021-05-18 | 2021-05-18 | Method for welding thin plate and thick plate |
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| CN113263281A CN113263281A (en) | 2021-08-17 |
| CN113263281B true CN113263281B (en) | 2022-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110539922.XA Active CN113263281B (en) | 2021-05-18 | 2021-05-18 | Method for welding thin plate and thick plate |
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| JPH06210455A (en) * | 1993-01-14 | 1994-08-02 | Nippon Steel Corp | Production of panel |
| CN1781646A (en) * | 2001-04-27 | 2006-06-07 | 本田技研工业株式会社 | Laser beam welding method and apparatus |
| CN101058127A (en) * | 2007-06-01 | 2007-10-24 | 北京工业大学 | Anion membrane electrolytic tank electrode laser welding method and device |
| CN106794554A (en) * | 2014-10-03 | 2017-05-31 | 新日铁住金株式会社 | Welded structural element and its manufacture method |
| CN109226964A (en) * | 2017-08-31 | 2019-01-18 | 中国航空制造技术研究院 | A kind of fillet weld laser welding antetheca end welding integrating device |
| CN109623152A (en) * | 2019-02-14 | 2019-04-16 | 中车青岛四方机车车辆股份有限公司 | Auxiliary welding equipment, welding system and welding method |
| CN111397406A (en) * | 2018-12-28 | 2020-07-10 | 丹佛斯有限公司 | Plate heat exchanger |
| CN212921414U (en) * | 2020-09-03 | 2021-04-09 | 苏州亿创特智能制造有限公司 | Connecting structure of rolled section bar, rolled section bar and protective cross beam for vehicle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3482452B2 (en) * | 2000-12-25 | 2003-12-22 | 川崎重工業株式会社 | Press head for laser welding |
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2021
- 2021-05-18 CN CN202110539922.XA patent/CN113263281B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06210455A (en) * | 1993-01-14 | 1994-08-02 | Nippon Steel Corp | Production of panel |
| CN1781646A (en) * | 2001-04-27 | 2006-06-07 | 本田技研工业株式会社 | Laser beam welding method and apparatus |
| CN101058127A (en) * | 2007-06-01 | 2007-10-24 | 北京工业大学 | Anion membrane electrolytic tank electrode laser welding method and device |
| CN106794554A (en) * | 2014-10-03 | 2017-05-31 | 新日铁住金株式会社 | Welded structural element and its manufacture method |
| CN109226964A (en) * | 2017-08-31 | 2019-01-18 | 中国航空制造技术研究院 | A kind of fillet weld laser welding antetheca end welding integrating device |
| CN111397406A (en) * | 2018-12-28 | 2020-07-10 | 丹佛斯有限公司 | Plate heat exchanger |
| CN109623152A (en) * | 2019-02-14 | 2019-04-16 | 中车青岛四方机车车辆股份有限公司 | Auxiliary welding equipment, welding system and welding method |
| CN212921414U (en) * | 2020-09-03 | 2021-04-09 | 苏州亿创特智能制造有限公司 | Connecting structure of rolled section bar, rolled section bar and protective cross beam for vehicle |
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| CN113263281A (en) | 2021-08-17 |
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