CN110743935B - Putty-free repairing method for data reduction metal plate - Google Patents
Putty-free repairing method for data reduction metal plate Download PDFInfo
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- CN110743935B CN110743935B CN201911027698.5A CN201911027698A CN110743935B CN 110743935 B CN110743935 B CN 110743935B CN 201911027698 A CN201911027698 A CN 201911027698A CN 110743935 B CN110743935 B CN 110743935B
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- metal plate
- putty
- sheet metal
- metal
- data
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/36—Successively applying liquids or other fluent materials, e.g. without intermediate treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/12—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by mechanical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/005—Repairing damaged coatings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/06—Metal-working plant comprising a number of associated machines or apparatus
Abstract
The invention relates to a putty-free repair method for a data reduction metal plate, which comprises the following steps: step a, drawing a metal plate, step b, measuring data and step c, smearing an indicator. The invention replaces the operation of judging whether the sheet metal has problems or not only by technical experience, hand feeling and far-from photometry in the traditional sheet metal process. The invention takes the data ruler to measure as the basis, completes the judgment of sheet metal streamline and flatness, paints the liquid indicator after the sheet metal data is measured and leveled, can further display the fine concave-convex dots which can not be found by the sheet metal by hand feeling or photometry, and achieves the effect of maintaining the sheet metal without puttying.
Description
Technical Field
The invention relates to the technical field of sheet metal process design, in particular to a putty-free repair method for a data reduction sheet metal.
Background
The sheet metal is a comprehensive cold processing technology for sheet metal, and comprises the working procedures of sheet metal drawing, paint surface polishing, shaping by a shaping machine, welding leveling, data measurement, indicator smearing, sheet metal liquid using, primer covering, paint baking, thickness measurement and the like.
The traditional maintenance tools for sheet metal processes are crowbars, iron hammers, medium machines, welding gaskets and the like, and the maintenance tools are used for leveling and maintaining sheet metals. Because the panel beating is all levelled through making level with certain point or welding pulling force etc. and the panel beating will the height fluctuation then to make the panel beating iron sheet receive the damage of lengthening, so need receive fire or meson machine carbon-point heavy current through the panel beating and receive fire the sail, make the iron sheet reach expend with heat and contract with cold principle and make level. The influence of the traditional sheet metal process repairing method on the sheet metal has a plurality of defects; 1. the panel beating is elongated 2, the panel beating is crossed fire 3, the panel beating is thin thick 4 not, panel beating inside electric paint is impaired 5, the panel beating impact weakens 6, the panel beating welding leak source increases 7, the unable up to standard 8 of roughness, because the roughness is not enough, need putty to make level, the time of having of a specified duration can crack and bubble 9, can cause the paint finish to lose light after lacquer finish and putty fuse, fade of a specified duration. Therefore, an accurate putty-free repair process for the metal plate is urgently needed.
Disclosure of Invention
The invention provides a putty-free repair method for a data reduction sheet metal, aiming at solving the problems of high sheet metal repair difficulty and complex process in the existing sheet metal process.
The invention comprises a putty-free repair method for a data reduction sheet metal, which comprises the following steps:
step a, drawing a metal plate: firstly, finding a drawing point of a metal plate, then adhering a drawing row to the drawing point by using a glue gun for drawing, vibrating the metal plate at the periphery of the drawing point, repeatedly finding points for drawing according to the damage condition of a wound surface of the metal plate, leveling and shaping the wound metal plate surface, and then polishing a paint surface, shaping by using a shaping machine and welding and leveling;
step b, data measurement: drawing a plurality of squares on the leveled metal plate, measuring intact metal plate parts corresponding to the wounded metal plate parts by using a data ruler, comparing the measured data with the wounded metal plate parts, marking the parts which do not conform to the intact metal plate parts, and repeatedly measuring, drawing or reducing fire for the marked positions;
step c, indicator smearing: iron oxide pigment is smeared on the metal plate, fine concave-convex positions on the surface of the metal plate are found, and then drawing or tempering is continuously carried out at the positions to level the metal plate.
After said step c, the following operations are carried out: manually wiping the metal plate liquid to the metal plate part which is ground to remove paint, and spraying the special primer after the metal plate liquid stays for 8 minutes.
After the special primer is sprayed, primer covering operation is carried out, which specifically comprises the following steps: first thin spraying primer, lightly pressing a gun, and staying for 8 minutes after spraying; normally spraying the primer for the second time, and staying for 3 minutes after spraying; and then spraying the primer for the third time.
The thickness of the metal plate after putty-free repair is 0.1mm-0.4 mm.
In the step a, a tool used for drawing the sheet metal is a plastic welding gun. In the step a, the grinding wheel used for polishing the paint surface is a black diamond grinding wheel.
The invention replaces the operation of judging whether the sheet metal has problems or not only by technical experience, hand feeling and far-from photometry in the traditional sheet metal process. The method has the advantages that the data ruler is used for measuring, the sheet metal streamline type and flatness judgment is completed, the liquid indicator is smeared after the sheet metal data is measured and leveled, and fine concave-convex dots which cannot be found by the sheet metal by hand feeling or photometry can be further displayed, so that the effect that the sheet metal is maintained without puttying is achieved; and the applied indicating liquid can increase the bonding force between the metal surface of the metal plate and the primer, so that the primer is tightly bonded with the metal surface and is not easy to fall off. When the flatness of the metal surface is not enough, no putty is needed for leveling, and the problems of cracking and foaming of the putty, paint surface gloss loss and long-term fading after the paint surface is fused with the putty are solved.
In the putty-free drawing operation of the metal plate, the putty-free drawing device has the advantages of no damage to the metal plate, no fire leakage of the metal plate, no damage to the anti-corrosion paint in the metal plate, no elongation of the iron sheet of the metal plate and the like.
Detailed Description
The invention comprises a putty-free repair method for a data reduction sheet metal, which comprises the following steps:
step a, drawing a metal plate: firstly, finding a drawing point of a metal plate, then adhering a drawing row to the drawing point by using a glue gun for drawing, vibrating the metal plate at the periphery of the drawing point, repeatedly finding points for drawing according to the damage condition of a wound surface of the metal plate, leveling and shaping the wound metal plate surface, and then polishing a paint surface, shaping by using a shaping machine and welding and leveling;
in the metal plate drawing process, tools used in the metal plate drawing process comprise a plastic welding gun (model CS-700B700W, Guangdong Shenzhen, New Andefletter tool line in Bao' an area of Shenzhen, company Shenzhen, and application industrial heat gun), a glue gun (model 400W temperature adjustment, Guangdong, Yidong electronic product Limited in Dongguan, company, and use glue rod heating), a glue rod, alcohol and a drawing bar (model concave-6, Shandong Linyi in the producing area, Yanshan area of Linyi, company, and Linyi, and the welding adhesive material is used for automobile body free spraying concave, and is used in various fields of engineering, electrician, production, industry and the like.
The putty-free drawing of the metal plate has the advantages of no damage to the metal plate, no fire leakage of the metal plate, no damage to the anti-corrosion paint in the metal plate, no elongation of the iron sheet of the metal plate and the like.
In the operation of lacquer painting polishing, traditional panel beating lacquer painting is polished with abrasive machine and emery wheel piece and is polished the lacquer painting, and the emery wheel piece can seriously grind thin panel beating iron sheet when polishing the lacquer painting, makes the panel beating iron sheet thin uneven thickness, can cause more serious extension after the panel beating iron sheet pit is elongated.
The invention selects a metal plate putty-free repair grinder (model: industrial-grade angle grinder 1380W win-out plug-in angle grinder, Jinan Jining of the producing area, Gongnan Wei lithium battery equipment limited company, purpose metal polishing, steel pipe cutting, ceramic tile polishing), a grinding wheel (brand kingdom model SD100 of the producing area, Dongguan city of Guangdong province, Donggunkun emery cloth limited company and Hei Jingang emery cloth). The black diamond grinding disc is a material used in industry, when the grinding disc is used on a car grinding paint surface, only the paint surface is ground without damaging a sheet metal iron sheet, and the sheet metal iron sheet can also be ground to obtain a luminosity, so that the sheet metal iron sheet is not damaged, and the best effect of a welding pull point of a sheet metal trimmer is achieved.
In the shaping operation of a shaping machine, the traditional metal plate shaping is a meson machine pulling point, and the meson machine pulling point has the adverse factors of metal plate fire passing, leakage of a welding spot on the metal plate, uneven local metal plate pulling point, breaking of electric melting primer in the metal plate by current, fire passing and the like.
The shaping machine is an innovative product which is newly developed and upgraded on the basis of the meson machine and is completely different from the meson machine. It includes: the steel plate drawing and leveling device comprises a sucker (Shandong, a company Wangbang electric appliance Co., Ltd.) (the best repairing effect on a floating pit metal plate), a gap bridge (a drawing and shaping tool when the metal plate deforms greatly), a puller (a special tool for drawing, welding and gasket welding and the like of the Shandong, the company Wangbang electric appliance Co., Ltd., the producing area can be drawn and placed freely no matter how large the metal plate deforms), a file (specification; double-hole aluminum plate tape bracket, Shanghai, a company; Shanghai Wangbang diamond sword tool Co., Ltd.; an elevator rail polishing knife and aluminum plate repairing tool; manually and repeatedly filing to find a high point during drawing and leveling of the metal plate, the fastest speed for finding the point during drawing and leveling of the metal plate), a data ruler (specification model; 12CM producing area; Zhejiang, a company; jinhua, Jinyi welding protection tool, Inc., and uses thereof; leveling, contour modeling, radian measurement metal plate shaping curve comparison, and after the metal plate is repaired and qualified, the ruler has the function of measuring modeling data such as metal plate ribs and arcs).
The research and development of the equipment promote the rapid development of the metal plate industry, and the most important advantages are that the metal plate pull point metal plate iron sheet is not deformed, the pulling force is large, the metal plate around the pull point is not over-fired, the pull point position has no damage and trace to the metal plate, and the heat recovery function has the best effect on the metal plate thermal barrier cold shrinkage.
In the welding leveling operation, the traditional method for welding the sheet metal wounds is to weld by carbon dioxide arc welding, then grind flat by a grinding wheel, and then apply putty and level for baking finish.
In the invention, after the metal plate is repaired and welded without putty, the metal plate is leveled by a shaping and drawing device, a welding opening is ground flat by a grinding wheel, and after the metal plate is leveled, an auxiliary tool is used for welding a soldering iron (specification; Black ox TLW, production place; Zhejiang, company; Strong electric appliance company Limited in Leqing city, application; not only suitable for welding large-scale components, but also suitable for welding small-scale components), a soldering tin wire (specification model; Bertada BESTAR leadless environment-friendly soldering tin wire Sn99.3Cu0.7, production place; Guangdong Guangzhou city, company; Guangzhou Baishi New Material company, application; welding, non-toxic, bright welding spot and little splashing, the tool is a tool commonly used in the electrical industry) is used for coating tin on the periphery of the welding opening, and after coating tin, a file is used for leveling, so that the industrial truck can be finished.
Step b, data measurement: drawing a plurality of squares on the leveled metal plate, measuring intact metal plate parts corresponding to the wounded metal plate parts by using a data ruler, comparing the measured data with the wounded metal plate parts, marking the parts which do not conform to the intact metal plate parts, and repeatedly measuring, drawing or reducing fire for the marked positions;
the modeling and the flatness of the sheet metal are judged by methods of full-flat technical experience, hand feeling, remote light measurement and the like of the traditional sheet metal process. The sheet metal streamline and flatness measuring device is based on measurement by a data ruler instead of feeling experience, and sheet metal streamline and flatness are completed.
Step c, indicator smearing: iron oxide pigment is smeared on the metal plate, fine concave-convex positions on the surface of the metal plate are found, and then drawing or tempering is continuously carried out at the positions to level the metal plate.
The traditional sheet metal does not use a liquid indicator, and whether the sheet metal reaches the standard and is qualified is evaluated only by hand feeling experience and eye light measurement. In the invention, the liquid indicator is smeared after the data measurement and leveling of the metal plate, so that fine concave-convex dots which cannot be found by hand feeling or photometry can be further displayed on the metal plate, and the metal plate can be finely leveled by drawing or drawing with a trimmer, thereby achieving the effect of maintaining the metal plate without puttying.
After said step c, the following operations are carried out: manually wiping the metal plate liquid to the metal plate part which is ground to remove paint, and spraying the special primer after the metal plate liquid stays for 8 minutes.
In traditional sheet metal construction and baking finish construction, sheet metal liquid is not used, and the sheet metal liquid is chemical strengthening water used in engineering industry. The sheet metal liquid used in the invention has specification and model; LF-507 Al-Zn involucra G agent, produced area; wenzhou Zhejiang, Wenzhou Longfei environmental protection technology Co., Ltd, use: passivation, involucra, oxidation, rust prevention, salt spray passing and spraying adhesion enhancement. The metal plate liquid has the functions of: the metal plate iron surface can remove oil and rust, and can also have chemical reaction on the iron sheet surface, so that the priming paint has better and firmer iron-catching property.
After the special primer is sprayed, primer covering operation is carried out, which specifically comprises the following steps: first thin spraying primer, lightly pressing a gun, and staying for 8 minutes after spraying; normally spraying the primer for the second time, and staying for 3 minutes after spraying; and then spraying the primer for the third time.
The thickness of the repaired metal plate without the putty is 0.1mm-0.4 mm.
The above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the embodiments of the present invention, and those skilled in the art can easily make various changes and modifications according to the main concept and spirit of the present invention, so the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. A data reduction metal plate putty-free repair method is characterized by comprising the following steps:
step a, drawing a metal plate: firstly, finding a drawing point of a metal plate, then adhering a drawing row to the drawing point by using a glue gun for drawing, vibrating the metal plate at the periphery of the drawing point, repeatedly finding points for drawing according to the damage condition of a wound surface of the metal plate, leveling and shaping the wound metal plate surface, and then polishing a paint surface, shaping by using a shaping machine and welding and leveling;
step b, data measurement: drawing a plurality of squares on the leveled metal plate, measuring the intact metal plate corresponding to the wounded metal plate by using a data ruler, comparing the measured data with the wounded metal plate, marking the part which does not conform to the intact metal plate, and repeatedly measuring, drawing or reducing the temperature of the marked part;
step c, indicator smearing: smearing iron oxide pigment on the metal plate, finding out fine concave-convex positions on the surface of the metal plate, and then continuously drawing or reducing fire at the positions to level the metal plate;
after said step c, the following operations are carried out: manually wiping the metal plate liquid to the metal plate part which is ground to remove paint, and spraying the special primer after the metal plate liquid stays for 8 minutes.
2. The data reduction sheet metal putty-free repair method as claimed in claim 1, characterized in that after the special primer is sprayed, a primer covering operation is performed, specifically as follows: first thin spraying primer, lightly pressing a gun, and staying for 8 minutes after spraying; normally spraying the primer for the second time, and staying for 3 minutes after spraying; and then spraying the primer for the third time.
3. The putty-free repair method for data reduction sheet metal of claim 2, characterized in that the thickness of the sheet metal after putty-free repair is 0.1mm to 0.4 mm.
4. The method of data-reducing putty-free repair of sheet metal according to claim 1, characterized in that in step a, the tool used for drawing the sheet metal is a plastic welding gun.
5. The method for repairing reduced metal plates without putty as recited in claim 1, wherein in the step a, the grinding wheel used for polishing the painted surface is a black diamond grinding wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911027698.5A CN110743935B (en) | 2019-10-28 | 2019-10-28 | Putty-free repairing method for data reduction metal plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911027698.5A CN110743935B (en) | 2019-10-28 | 2019-10-28 | Putty-free repairing method for data reduction metal plate |
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| Publication Number | Publication Date |
|---|---|
| CN110743935A CN110743935A (en) | 2020-02-04 |
| CN110743935B true CN110743935B (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911027698.5A Active CN110743935B (en) | 2019-10-28 | 2019-10-28 | Putty-free repairing method for data reduction metal plate |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112874490A (en) * | 2021-01-22 | 2021-06-01 | 天津鸿蒙智造科技有限公司 | Putty-free restoration method for restoring automobile appearance data |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110004040A (en) * | 2009-07-07 | 2011-01-13 | 신중수 | Restoration method with hot melt glue stick for distortion including specialized tool and transparent board for center mark |
| CN107824414A (en) * | 2017-12-14 | 2018-03-23 | 姜红斌 | Automobile finish depth cut exempts from the method for repairing and mending that paints |
| CN108246835A (en) * | 2018-01-19 | 2018-07-06 | 衢州职业技术学院 | Metal plate repairs rifle |
| CN109499826A (en) * | 2018-01-12 | 2019-03-22 | 张宁 | A kind of automobile is recessed to study for a second time courses one has flunked multiple process |
| CN109647935A (en) * | 2018-11-13 | 2019-04-19 | 广东科学技术职业学院 | A kind of vehicle body prosthetic appliance and method |
| CN110355237A (en) * | 2019-05-31 | 2019-10-22 | 张庆杰 | Plates of automobile restorative procedure |
-
2019
- 2019-10-28 CN CN201911027698.5A patent/CN110743935B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110004040A (en) * | 2009-07-07 | 2011-01-13 | 신중수 | Restoration method with hot melt glue stick for distortion including specialized tool and transparent board for center mark |
| CN107824414A (en) * | 2017-12-14 | 2018-03-23 | 姜红斌 | Automobile finish depth cut exempts from the method for repairing and mending that paints |
| CN109499826A (en) * | 2018-01-12 | 2019-03-22 | 张宁 | A kind of automobile is recessed to study for a second time courses one has flunked multiple process |
| CN108246835A (en) * | 2018-01-19 | 2018-07-06 | 衢州职业技术学院 | Metal plate repairs rifle |
| CN109647935A (en) * | 2018-11-13 | 2019-04-19 | 广东科学技术职业学院 | A kind of vehicle body prosthetic appliance and method |
| CN110355237A (en) * | 2019-05-31 | 2019-10-22 | 张庆杰 | Plates of automobile restorative procedure |
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| CN110743935A (en) | 2020-02-04 |
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