CN112222660A - Intermittent welding method for metal plate - Google Patents
Intermittent welding method for metal plate Download PDFInfo
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- CN112222660A CN112222660A CN202011087411.0A CN202011087411A CN112222660A CN 112222660 A CN112222660 A CN 112222660A CN 202011087411 A CN202011087411 A CN 202011087411A CN 112222660 A CN112222660 A CN 112222660A
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- workpieces
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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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
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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
Abstract
The invention relates to the technical field of metal plates, and discloses an intermittent welding method of a metal plate, which comprises the following steps: the method comprises the following steps: splicing two workpieces to be welded together, enabling the positions to be welded of the two workpieces to be tightly attached and to be kept in a state after welding is finished, clamping the two workpieces by using a clamp to keep the two workpieces in a stable state, then drawing marks on the welding positions of the two workpieces at equal intervals by using a marking pen, and simultaneously keeping the lengths of the mark lines consistent; step two: the two workpieces are separated and then a grinding device is used. According to the invention, before the workpiece is welded, the surface of the welding position is marked, and simultaneously, the surface is polished to form smooth areas with equal distance and same length, then the marked areas are coated with the soldering flux, so that the length and the interval of the welding line can be conveniently controlled according to the marked areas when the workpiece is welded intermittently, and meanwhile, the quality and the strength of welding can be enhanced due to the fact that dust, oxides and oil stains are taken out by polishing and the existence of the soldering flux.
Description
Technical Field
The invention relates to the technical field of metal plates, in particular to an intermittent welding method for metal plates.
Background
At present, a metal plate is a processing technology, and the metal plate has not yet a relatively complete definition up to now, including shearing, punching/cutting/compounding, folding, riveting, splicing, forming (such as an automobile body) and the like. The method is characterized in that the thickness of the same part is consistent, and intermittent welding is one type of welding, commonly called as spark welding. The welding mode is the welding mode that the welding seam is discontinuous during welding, the welding mode is used for welding unimportant connecting pieces with long welding seams and without full welding death, or the welding mode is adopted for reducing welding deformation and reserving welding deformation space (an opening on the welding piece). When both sides of the welding part are welded, a staggered intermittent welding mode is generally adopted.
When the intermittent welding is carried out, the distance and the length of each welding seam are required to be kept consistent, and when the welding is carried out, the length of the welding seams and the distance between the welding seams are difficult to control, so that the welding quality is influenced, and in addition, the welding strength is influenced due to dust, oxides or oil stains on the surfaces of the welding positions in the welding process. Therefore, we propose an intermittent welding method for sheet metal.
Disclosure of Invention
The invention aims to provide an intermittent welding method of a metal plate, which marks the surface of a welding position before welding a workpiece, simultaneously polishes the surface to form smooth areas with equal distance and same length, then coats soldering flux on the marked areas, conveniently controls the length and the interval of welding seams according to the marked areas when performing intermittent welding, simultaneously can enhance the welding quality and strength due to the polishing of dust, oxides and oil stains and the existence of the soldering flux, and solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an intermittent welding method of a metal plate comprises the following steps:
the method comprises the following steps: splicing two workpieces to be welded together, enabling the positions to be welded of the two workpieces to be tightly attached and to be kept in a state after welding is finished, clamping the two workpieces by using a clamp to keep the two workpieces in a stable state, then drawing marks on the welding positions of the two workpieces at equal intervals by using a marking pen, and simultaneously keeping the lengths of the mark lines consistent;
step two: separating the two workpieces, and then polishing the marked positions of the two workpieces by using polishing equipment to polish the marked positions of the two workpieces smoothly, so that smooth polished areas with equal distance and length are formed on the surfaces of the workpieces;
step three: coating the surfaces of the polished areas marked by the two workpieces with soldering flux so that the soldering flux is uniformly coated on the surfaces of the smooth polished areas marked by the two workpieces;
step four: clamping the two workpieces by using the clamp again to align the welding positions of the two workpieces, ensuring that the smooth grinding areas marked by the two workpieces are aligned, and then welding the marked areas which are ground smoothly by using a welding gun of a welding machine to form welding seams with equal distance and equal length;
step five: polishing and grinding the welding seam position to finish the intermittent welding work of the workpiece.
In a preferred embodiment of the present invention, the marker used in the first step is red or blue.
In a preferred embodiment of the present invention, in the second step, the polishing device is a polishing machine, and the number of grinding wheels of the polishing machine is 100.
In a preferred embodiment of the present invention, the polishing time of each mark area in the second step is 1-2 min.
As a preferred embodiment of the present invention, the interval between the marking regions in the first step is one of 50mm, 100mm and 200 mm.
In the second step, as a preferred embodiment of the present invention, the workpiece is clamped by a clamp and then ground.
In a preferred embodiment of the present invention, the polishing tool in the step five is a polishing machine, and the rotation speed of the polishing machine is 800-.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, before the workpiece is welded, the surface of the welding position is marked, and simultaneously, the surface is polished to form smooth areas with equal distance and same length, then the marked areas are coated with the soldering flux, so that the length and the interval of the welding line can be conveniently controlled according to the marked areas when the workpiece is welded intermittently, and meanwhile, the quality and the strength of welding can be enhanced due to the fact that dust, oxides and oil stains are taken out by polishing and the existence of the soldering flux.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a flow chart of an intermittent welding method for a metal plate.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1, the present invention provides a technical solution: an intermittent welding method of a metal plate comprises the following steps:
the method comprises the following steps: splicing two workpieces to be welded together, enabling the positions to be welded of the two workpieces to be tightly attached and to be kept in a state after welding is finished, clamping the two workpieces by using a clamp to keep the two workpieces in a stable state, then drawing marks on the welding positions of the two workpieces at equal intervals by using a marking pen, and simultaneously keeping the lengths of the mark lines consistent;
step two: separating the two workpieces, and then polishing the marked positions of the two workpieces by using polishing equipment to polish the marked positions of the two workpieces smoothly, so that smooth polished areas with equal distance and length are formed on the surfaces of the workpieces;
step three: coating the surfaces of the polished areas marked by the two workpieces with soldering flux so that the soldering flux is uniformly coated on the surfaces of the smooth polished areas marked by the two workpieces;
step four: clamping the two workpieces by using the clamp again to align the welding positions of the two workpieces, ensuring that the smooth grinding areas marked by the two workpieces are aligned, and then welding the marked areas which are ground smoothly by using a welding gun of a welding machine to form welding seams with equal distance and equal length;
step five: polishing and grinding the welding seam position to finish the intermittent welding work of the workpiece.
Further, the marker pen used in the first step is red or blue in color.
Further, the polishing device in the second step is a polishing machine, and the mesh number of the grinding wheels of the polishing machine is 100 meshes.
Further, the grinding time of each marking area in the second step is 1-2 min.
Further, the distance between the marking areas in the first step is one of 50mm, 100mm or 200 mm.
Further, in the second step, the workpiece is clamped by a clamp and then polished.
Further, the polishing tool in the fifth step is a polishing machine, and the rotation speed of the polishing machine is 800-.
When the intermittent welding method of the metal plate is used, two workpieces needing to be welded are spliced together, the positions to be welded of the two workpieces are tightly attached and kept in a state after welding is finished, the two workpieces are clamped by a clamp and kept in a stable state, then a marking pen is used for drawing marks on the welding positions of the two workpieces at equal intervals, and meanwhile, the lengths of marking lines are kept consistent; separating the two workpieces, and then polishing the marked positions of the two workpieces by using polishing equipment to polish the marked positions of the two workpieces smoothly, so that smooth polished areas with equal distance and length are formed on the surfaces of the workpieces; coating the surfaces of the polished areas marked by the two workpieces with soldering flux so that the soldering flux is uniformly coated on the surfaces of the smooth polished areas marked by the two workpieces; clamping the two workpieces by using the clamp again to align the welding positions of the two workpieces, ensuring that the smooth grinding areas marked by the two workpieces are aligned, and then welding the marked areas which are ground smoothly by using a welding gun of a welding machine to form welding seams with equal distance and equal length; the method comprises the steps of polishing and grinding the position of a welding seam to finish the intermittent welding work of a workpiece, marking the surface of a welding position before welding the workpiece, simultaneously grinding to form smooth areas with equal distance and same length, then coating scaling powder on the marked areas, conveniently controlling the length and the interval of the welding seam according to the marked areas when carrying out intermittent welding, and simultaneously taking out dust, oxides and oil stains due to grinding and adding the scaling powder, so that the welding quality and the welding strength can be enhanced.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The intermittent welding method of the sheet metal is characterized by comprising the following steps of:
the method comprises the following steps: splicing two workpieces to be welded together, enabling the positions to be welded of the two workpieces to be tightly attached and to be kept in a state after welding is finished, clamping the two workpieces by using a clamp to keep the two workpieces in a stable state, then drawing marks on the welding positions of the two workpieces at equal intervals by using a marking pen, and simultaneously keeping the lengths of the mark lines consistent;
step two: separating the two workpieces, and then polishing the marked positions of the two workpieces by using polishing equipment to polish the marked positions of the two workpieces smoothly, so that smooth polished areas with equal distance and length are formed on the surfaces of the workpieces;
step three: coating the surfaces of the polished areas marked by the two workpieces with soldering flux so that the soldering flux is uniformly coated on the surfaces of the smooth polished areas marked by the two workpieces;
step four: clamping the two workpieces by using the clamp again to align the welding positions of the two workpieces, ensuring that the smooth grinding areas marked by the two workpieces are aligned, and then welding the marked areas which are ground smoothly by using a welding gun of a welding machine to form welding seams with equal distance and equal length;
step five: polishing and grinding the welding seam position to finish the intermittent welding work of the workpiece.
2. The intermittent welding method of a sheet metal according to claim 1, characterized in that: the color of the marker pen used in the first step is red or blue.
3. The intermittent welding method of a sheet metal according to claim 1, characterized in that: and in the second step, the polishing equipment is a polishing machine, and the mesh number of grinding wheels of the polishing machine is 100 meshes.
4. The intermittent welding method of a sheet metal according to claim 1, characterized in that: and in the second step, the grinding time of each marking area is 1-2 min.
5. The intermittent welding method of a sheet metal according to claim 1, characterized in that: the interval of the marking areas in the first step is one of 50mm, 100mm or 200 mm.
6. The intermittent welding method of a sheet metal according to claim 1, characterized in that: and in the second step, the workpiece is clamped by a clamp and then polished.
7. The intermittent welding method of a sheet metal according to claim 1, characterized in that: the polishing tool in the step five is a polishing machine, and the rotation speed of the polishing machine is 800-.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011087411.0A CN112222660A (en) | 2020-10-13 | 2020-10-13 | Intermittent welding method for metal plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011087411.0A CN112222660A (en) | 2020-10-13 | 2020-10-13 | Intermittent welding method for metal plate |
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| CN112222660A true CN112222660A (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011087411.0A Pending CN112222660A (en) | 2020-10-13 | 2020-10-13 | Intermittent welding method for metal plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114713947A (en) * | 2022-03-08 | 2022-07-08 | 深圳数码模汽车技术有限公司 | Automobile part welding method with low welding deformation |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102416536A (en) * | 2010-11-26 | 2012-04-18 | 昆山市瑞捷精密模具有限公司 | Scaleplate type intermittent welding jig |
| JP2013066900A (en) * | 2011-09-21 | 2013-04-18 | Hitachi Ltd | Thin plate constituting casing structure for housing railway vehicle electric component, casing for housing railway vehicle electric component using the same, and railway vehicle electrical instrument |
| CN203076767U (en) * | 2012-12-04 | 2013-07-24 | 中国第一汽车股份有限公司 | Discontinuous welding automatic control outside hanging system |
| CN203992859U (en) * | 2014-06-12 | 2014-12-10 | 江门市南洋船舶工程有限公司 | A kind of for being interrupted the welding position scoring tool of fillet welding |
| CN108274122A (en) * | 2018-02-28 | 2018-07-13 | 安徽盛运重工机械有限责任公司 | Anti-splashing welding method |
| WO2019041458A1 (en) * | 2017-08-29 | 2019-03-07 | 广船国际有限公司 | Intermittent fillet welding method |
| CN110814593A (en) * | 2019-12-04 | 2020-02-21 | 南通科硕海洋装备科技有限公司 | Intermittent welding method for metal plate |
-
2020
- 2020-10-13 CN CN202011087411.0A patent/CN112222660A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102416536A (en) * | 2010-11-26 | 2012-04-18 | 昆山市瑞捷精密模具有限公司 | Scaleplate type intermittent welding jig |
| JP2013066900A (en) * | 2011-09-21 | 2013-04-18 | Hitachi Ltd | Thin plate constituting casing structure for housing railway vehicle electric component, casing for housing railway vehicle electric component using the same, and railway vehicle electrical instrument |
| CN203076767U (en) * | 2012-12-04 | 2013-07-24 | 中国第一汽车股份有限公司 | Discontinuous welding automatic control outside hanging system |
| CN203992859U (en) * | 2014-06-12 | 2014-12-10 | 江门市南洋船舶工程有限公司 | A kind of for being interrupted the welding position scoring tool of fillet welding |
| WO2019041458A1 (en) * | 2017-08-29 | 2019-03-07 | 广船国际有限公司 | Intermittent fillet welding method |
| CN108274122A (en) * | 2018-02-28 | 2018-07-13 | 安徽盛运重工机械有限责任公司 | Anti-splashing welding method |
| CN110814593A (en) * | 2019-12-04 | 2020-02-21 | 南通科硕海洋装备科技有限公司 | Intermittent welding method for metal plate |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114713947A (en) * | 2022-03-08 | 2022-07-08 | 深圳数码模汽车技术有限公司 | Automobile part welding method with low welding deformation |
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Application publication date: 20210115 |