CN112935936A - Stainless steel rust removing and polishing process - Google Patents
Stainless steel rust removing and polishing process Download PDFInfo
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- CN112935936A CN112935936A CN202110114205.2A CN202110114205A CN112935936A CN 112935936 A CN112935936 A CN 112935936A CN 202110114205 A CN202110114205 A CN 202110114205A CN 112935936 A CN112935936 A CN 112935936A
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 111
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- 238000005498 polishing Methods 0.000 claims abstract description 86
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 238000002791 soaking Methods 0.000 claims description 20
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- CEGOLXSVJUTHNZ-UHFFFAOYSA-K aluminium tristearate Chemical compound [Al+3].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CEGOLXSVJUTHNZ-UHFFFAOYSA-K 0.000 claims description 5
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- VYLVYHXQOHJDJL-UHFFFAOYSA-K cerium trichloride Chemical compound Cl[Ce](Cl)Cl VYLVYHXQOHJDJL-UHFFFAOYSA-K 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 5
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
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- 238000000034 method Methods 0.000 claims description 3
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- HGWAKQDTQVDVRP-OKULMJQMSA-N butyl (z,12r)-12-hydroxyoctadec-9-enoate Chemical compound CCCCCC[C@@H](O)C\C=C/CCCCCCCC(=O)OCCCC HGWAKQDTQVDVRP-OKULMJQMSA-N 0.000 claims description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 2
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- 230000007547 defect Effects 0.000 abstract description 11
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- 230000005389 magnetism Effects 0.000 description 20
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- 229910000831 Steel Inorganic materials 0.000 description 8
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- 241000446313 Lamella Species 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 5
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- 239000002253 acid Substances 0.000 description 4
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- 238000009826 distribution Methods 0.000 description 3
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F3/00—Brightening metals by chemical means
- C23F3/04—Heavy metals
- C23F3/06—Heavy metals with acidic solutions
Abstract
The invention discloses a stainless steel rust removing and polishing process, belonging to the technical field of stainless steel, which can sense a concave area and a convex area on the surface of the stainless steel by innovatively introducing a sensing disc in a manner of covering the surface of the stainless steel, autonomously trigger the sinking or floating action of an internal sensing rod, autonomously release ash materials to the concave area for filling and repairing during sinking, and autonomously release polishing agents to the convex area during floating, so that the concave area and the convex area on the surface of the stainless steel can be marked and pretreated, technicians can conveniently and directly use mechanical tools and the polishing agents in the convex areas for rough polishing aiming at the convex parts, bake and dry the ash materials in the concave area after the rough polishing is finished to force the rough polishing to finish the repair, and then the polishing efficiency of the whole stainless steel is improved through subsequent chemical fine polishing, meanwhile, the local defect area can be treated, and the polishing quality of the stainless steel is obviously improved.
Description
Technical Field
The invention relates to the technical field of stainless steel, in particular to a stainless steel rust removing and polishing process.
Background
Stainless steel is short for stainless acid-resistant steel, and steel grade which is resistant to weak corrosive media such as air, steam and water or has stainless property is called stainless steel; and steel grades that are resistant to corrosion by chemically corrosive media (chemical attacks such as acids, bases, salts, etc.) are called acid-resistant steels.
Because of the difference in chemical composition between the two, the corrosion resistance of the two is different, and common stainless steel is generally not resistant to corrosion of chemical media, while acid-resistant steel is generally stainless. The term "stainless steel" refers not only to a single type of stainless steel, but also to more than a hundred types of industrial stainless steels, each of which has been developed to have good properties in its particular application field. The key to success is first to figure out the application and then to determine the correct steel grade. There are generally only six steel grades relevant to the field of building construction applications. They all contain 17-22% chromium, the preferred steel grade also contains nickel. The addition of molybdenum further improves atmospheric corrosion, particularly corrosion resistance to chloride-containing atmospheres.
In general, stainless steel has a higher hardness than aluminum alloys, and is more costly than aluminum alloys.
Polishing refers to a process of reducing the roughness of a workpiece surface by mechanical, chemical, or electrochemical actions to obtain a bright, flat surface. The method is to carry out modification processing on the surface of a workpiece by using a polishing tool and abrasive particles or other polishing media.
Polishing does not improve the dimensional accuracy or geometric accuracy of the workpiece, but aims to obtain a smooth surface or a mirror surface gloss, and sometimes also serves to eliminate gloss (matting). Polishing wheels are commonly used as polishing tools. The polishing wheel is generally made of multi-layer canvas, felt or leather by laminating, the two sides of the polishing wheel are clamped by metal circular plates, and the rim of the polishing wheel is coated with a polishing agent component, daily hardware, building hardware, security articles and the like which are formed by uniformly mixing micro powder abrasive and grease and the like. The small hardware products are mostly not the final consumer products.
The surface of the existing stainless steel has the inevitable defects of holes or bulges and the like due to the preparation process or other problems, but in the traditional polishing process, an overall polishing mode is mostly adopted, the pertinence is lacked, the polishing effect of a local area is poor, and the quality of the stainless steel is unqualified.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a stainless steel rust removal polishing process, which can sense a concave area and a convex area on the surface of the stainless steel by innovatively introducing a sensing disc in a manner of covering the sensing disc on the surface of the stainless steel, automatically trigger the sinking or floating action of an internal sensing rod, automatically release ash to the concave area for filling and repairing during sinking, and automatically release a polishing agent to the convex area during floating, so that the concave area and the convex area on the surface of the stainless steel can be marked and pretreated, technicians can conveniently perform rough polishing on the convex part by directly using a mechanical tool and the polishing agent in the convex area in a matching manner, bake and dry the ash in the concave area after the rough polishing is finished to force the rough polishing to finish the repairing, and then the polishing effect on the surface of the stainless steel can be effectively improved by subsequent chemical fine polishing, the polishing efficiency of the whole stainless steel is improved, meanwhile, the local defect area can be treated, and the polishing quality of the stainless steel is obviously improved.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A stainless steel rust removing and polishing process comprises the following steps:
s1, spraying high-pressure water to the surface of the stainless steel, removing dirt attached to the surface, airing and removing oil;
s2, covering the sensing disc on the surface of stainless steel, then automatically triggering corresponding processing actions, filling ash materials in the concave part of the surface of the stainless steel, and releasing polishing agents in the convex part of the surface;
s3, roughly polishing the surface protrusions in a mechanical polishing mode, baking and drying the stainless steel to obtain ash, and then leveling and cleaning the surface;
s4, placing the stainless steel in a closed tank, soaking the stainless steel in an activating solution for activation treatment, then washing the stainless steel with a sodium carbonate solution for 3-5min, and drying the stainless steel to constant weight;
s5, placing the stainless steel in polishing solution for soaking and fine polishing, wherein the soaking time is 10-20min, and ultrasonic vibration is carried out in the soaking time;
and S6, after finishing fine polishing, washing with flowing water for 2-3 times, wherein each time is not less than 10S, and drying after washing.
Further, the sensing plate in the step S2 comprises a positioning plate, a sensing net and a plurality of sensing rods, the sensing rods are uniformly connected between the positioning plate and the sensing net, the positioning plate provides strength support, the sensing rods sense the concave regions and the convex regions on the surface of the stainless steel, and the deformable characteristics of the sensing net are matched to obtain the surface defect characteristics of the stainless steel and automatically trigger corresponding processing actions.
Furthermore, the positioning plate is made of a hard material, and the sensing net is made of an elastic material.
Further, the sensing rod comprises an upper static ball, a lower dynamic ball and a transmission rod, the upper static ball is connected with the positioning disc, the lower dynamic ball is connected with the sensing net, an isolation cylinder is connected in the lower dynamic ball, a magnetic control ball cover is connected at the center of the isolation cylinder in an embedded manner, a trigger ball is embedded in the magnetic control ball cover in a movable manner, a central magnet is embedded in the trigger ball, the transmission rod is connected between the central magnet and the upper static ball, the left end and the right end of the isolation cylinder are connected with elastic pressing films, one end, far away from the isolation cylinder, of each elastic pressing film is connected with a magnet block, variable diameter holes are formed in the left end and the right end of the isolation cylinder, matched blocking balls are embedded in the variable diameter holes in a movable manner, reset pull wires are connected between the blocking balls and the magnet blocks, and the movement of the central magnet relative to the magnetic control ball cover is realized through different sinking or, and then act on corresponding magnet piece with the magnetic field, force it to extrude the release different raw materials to handle to the elasticity press mold, both can realize the mark to the defect region, can directly carry out the preliminary treatment simultaneously and improve whole efficiency.
Further, it is protruding that a pair of cambered surface about accuse magnetism ball cover skew symmetry is connected with to keep apart a section of thick bamboo the inner, and the cambered surface is protruding to be covered with accuse magnetism ball and is laminated, accuse magnetism ball cover includes the magnetism lamella that separates of a plurality of annular array distributions, and adjacent center department interconnect who separates the magnetism lamella, the cambered surface is protruding to be can set the corresponding region of accuse magnetism ball cover and prevent deformation, thereby make when triggering the ball and remove, half unable deformation shifts out by it all the time, in addition both sides deformation carries out the magnetic screen of the direction that corresponds to central magnet all the time, consequently the magnetic field of central magnet acts on different magnet pieces when triggering the ball reciprocates, thereby release different raw materials.
Furthermore, the elastic pressing film on the same side as the lower arc surface protrusion is filled with ash, and the elastic pressing film on the same side as the upper arc surface protrusion is filled with a polishing agent.
Further, the ash in the step S2 is one of atomic ash or an aluminum repairing agent, and the polishing agent is formed by mixing chromium oxide micro powder with a particle size of W5-W0.5 and emulsion.
Further, in the step S4, vacuumizing is performed to enable the vacuum degree in the tank to be-0.12 MPa, then the activating solution is injected into the tank, and the stainless steel is immersed for treatment for 2-3 hours.
Further, the activating solution in the step S4 is prepared from the following components in parts by weight: 3-5 parts of coconut oil fatty acid diethanolamide, 1-3 parts of urea, 2-4 parts of ricinoleic acid butyl ester sodium sulfate, 2-4 parts of stearic acid monoglyceride and 80-100 parts of water.
Further, the polishing solution in the step S5 includes the following raw materials in parts by weight: 5-7 parts of nitric acid, 3-5 parts of hydrofluoric acid, 2-3 parts of hydrogen peroxide, 4-6 parts of aluminum stearate, 3-5 parts of ammonium pyrophosphate, 0.02-0.04 part of cerium chloride, 15-20 parts of furfuryl alcohol and 120 parts of water.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the scheme can sense the sunken area and the raised area on the surface of the stainless steel by innovatively introducing the sensing disc in a manner of covering the sensing disc on the surface of the stainless steel, autonomously trigger the sinking or floating action of the internal sensing rod, autonomously release ash materials to the sunken area for filling and repairing during sinking, autonomously release polishing agents to the raised area during floating, not only can mark and pre-treat the sunken area and the raised area on the surface of the stainless steel, facilitate technical personnel to directly use mechanical tools to be matched with the polishing agents in the raised area for rough polishing aiming at the raised part, bake and dry the ash materials in the sunken area after the rough polishing is finished to force the ash materials to finish repairing, but also can effectively improve the polishing effect on the surface of the stainless steel through subsequent chemical fine polishing, thereby improving the polishing efficiency of the whole stainless steel and simultaneously treating local defect areas, the polishing quality of the stainless steel is obviously improved.
(2) The perception dish includes positioning disk, perception net and a plurality of perception stick, and the perception stick is evenly connected between positioning disk and perception net, and the positioning disk provides intensity support, then carries out the perception through the perception stick to the sunken region and the protruding region on stainless steel surface, and the deformable characteristic of perception net obtains stainless steel's surface defect characteristic in the cooperation to independently trigger corresponding processing action.
(3) The sensing rod comprises an upper static ball, a lower dynamic ball and a transmission rod, the upper static ball is connected with a positioning disc, the lower dynamic ball is connected with a sensing net, an isolation cylinder is connected in the lower dynamic ball, a magnetic control ball cover is embedded and connected at the center of the isolation cylinder, a trigger ball is movably embedded in the magnetic control ball cover, a central magnet is embedded and connected in the trigger ball, the transmission rod is connected between the central magnet and the upper static ball, the left end and the right end of the isolation cylinder are both connected with elastic press films, one ends of the elastic press films, which are far away from the isolation cylinder, are connected with magnet blocks, the left end and the right end of the isolation cylinder are both provided with variable diameter holes, matched sealing balls are movably embedded in the variable diameter holes, reset pull wires are connected between the sealing balls and the magnet blocks, the movement of the central magnet relative to the magnetic control ball cover is realized through different sinking or floating actions of the lower dynamic ball, a magnetic field acts, the marking of the defect area can be realized, and the overall efficiency can be improved by directly preprocessing.
(4) Keep apart a section of thick bamboo the inner cambered surface arch that is connected with a pair of skew symmetry about accuse magnetism ball cover, and the cambered surface is protruding to be covered with accuse magnetism ball and is laminated, accuse magnetism ball cover includes the magnetism lamella that separates of a plurality of annular array distributions, and adjacent center department interconnect who separates the magnetism lamella, the cambered surface is protruding to be can set the corresponding region of accuse magnetism ball cover and prevent deformation, thereby make when triggering the ball and remove, half unable deformation is shifted out by it all the time, in addition both sides deformation carries out the magnetic screen of the direction that corresponds to center magnet all the time, consequently, the magnetic field of center magnet acts on different magnet pieces when triggering the ball and reciprocate, thereby release different raw materials.
Drawings
FIG. 1 is a schematic view of a sensing disk portion of the present invention;
FIG. 2 is a schematic view of a sensing rod according to the present invention;
FIG. 3 is a cross-sectional view of a portion of a sensing rod of the present invention;
FIG. 4 is a schematic view of the structure at A in FIG. 3;
FIG. 5 is a schematic structural view of a cover portion of the magnetic control ball of the present invention;
FIG. 6 is a schematic view of the structure of the stainless steel of the present invention after surface pretreatment.
The reference numbers in the figures illustrate:
the device comprises a positioning disc 1, a sensing net 2, a sensing rod 3, an upper static ball 31, a lower moving ball 32, a transmission rod 33, a magnetic control ball cover 4, a magnet block 5, an elastic press film 6, an isolation cylinder 7, a blocking ball 8, a resetting pull wire 9, a trigger ball 10 and a central magnet 11.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1, a rust removing and polishing process for stainless steel includes the following steps:
s1, spraying high-pressure water to the surface of the stainless steel, removing dirt attached to the surface, airing and removing oil;
s2, covering the sensing disc on the surface of stainless steel, then automatically triggering corresponding processing actions, filling ash materials in the concave part of the surface of the stainless steel, and releasing polishing agents in the convex part of the surface;
s3, roughly polishing the surface protrusions in a mechanical polishing mode, baking and drying the stainless steel to obtain ash, and then leveling and cleaning the surface;
s4, placing the stainless steel in a closed tank, soaking the stainless steel in an activating solution for activation treatment, then washing the stainless steel for 3min by using a sodium carbonate solution, and drying the stainless steel to constant weight;
s5, placing the stainless steel in polishing solution for soaking and fine polishing, wherein the soaking time is 10min, and ultrasonic vibration is carried out in the soaking time;
and S6, after finishing fine polishing, washing with flowing water for 2 times, wherein each time is not less than 10S, and drying after washing.
Step S2 senses the dish including positioning disk 1, perception net 2 and a plurality of perception stick 3, and perception stick 3 evenly connects between positioning disk 1 and perception net 2, and positioning disk 1 provides the intensity support, then senses the sunken region and the protruding region on stainless steel surface through perception stick 3, and the deformable characteristic of sensing net 2 in the cooperation obtains stainless steel surface defect characteristic to independently trigger corresponding processing action.
The positioning plate 1 is made of hard materials, and the sensing net 2 is made of elastic materials.
Referring to fig. 2-6, the sensing rod 3 includes an upper static ball 31, a lower dynamic ball 32 and a transmission rod 33, the upper static ball 31 is connected with the positioning plate 1, the lower dynamic ball 32 is connected with the sensing net 2, the lower dynamic ball 32 is connected with the isolation cylinder 7, the center of the isolation cylinder 7 is connected with the magnetic control ball cover 4 in an embedding manner, the trigger ball 10 is movably embedded in the magnetic control ball cover 4, the central magnet 11 is embedded in the trigger ball 10, the transmission rod 33 is connected between the central magnet 11 and the upper static ball 31, the left and right ends of the isolation cylinder 7 are connected with the elastic pressing films 6, one end of the elastic pressing film 6, which is far away from the isolation cylinder 7, is connected with the magnet block 5, the left and right ends of the isolation cylinder 7 are respectively provided with a variable diameter hole, the matched blocking ball 8 is movably embedded in the variable diameter hole, the reset pull wire 9 is connected between the blocking ball 8 and the magnet block 5, the movement of the central magnet 11 relative to the magnetic, and then act on corresponding magnet piece 5 with the magnetic field, force it to extrude release different raw materials to handle to elastic press mold 6, both can realize the mark to the defect region, can directly carry out the preliminary treatment simultaneously and improve whole efficiency.
Keep apart 7 the inner cambered surface arch that is connected with a pair of 4 skew symmetries about accuse magnetism ball cover, and the cambered surface arch with 4 phase-matchs of accuse magnetism ball cover and laminating, accuse magnetism ball cover 4 includes the magnetism lamella that separates of a plurality of annular array distributions, and adjacent magnetism lamella that separates's center department interconnect, it adopts elasticity magnetism material to make to separate the magnetism lamella, the cambered surface arch can be set the corresponding region of accuse magnetism ball cover 4 and prevent deformation, thereby make when triggering ball 10 and remove, half unable deformation is shifted out by it all the time, in addition both sides deformation carries out the magnetic screen of the direction that corresponds to central magnet 11 all the time, consequently, the magnetic field of central magnet 11 acts on different magnet piece 5 when triggering ball 10 reciprocates, thereby release different raw materials.
The elastic pressing film 6 on the same side as the lower arc protrusion is filled with ash, and the elastic pressing film 6 on the same side as the upper arc protrusion is filled with polishing agent.
The ash material in the step S2 is one of atomic ash or aluminum healant, and the polishing agent is formed by mixing chromium oxide micro powder with the particle size of W5-W0.5 and emulsion.
And step S4, vacuumizing to enable the vacuum degree in the tank to be-0.12 MPa, injecting the activating solution into the tank, and immersing the stainless steel for treatment for 2 h.
The activating solution in the step S4 is prepared from the following components in parts by weight: 3 parts of coconut oil fatty acid diethanolamide, 1 part of urea, 2 parts of sodium ricinoleate sulfate, 2 parts of glycerol monostearate and 80 parts of water.
Further, the polishing solution in step S5 includes the following raw materials in parts by weight: 5-7 parts of nitric acid, 3 parts of hydrofluoric acid, 2 parts of hydrogen peroxide, 4 parts of aluminum stearate, 3 parts of ammonium pyrophosphate, 0.02 part of cerium chloride, 15 parts of furfuryl alcohol and 100 parts of water.
Example 2:
a stainless steel rust removing and polishing process comprises the following steps:
s1, spraying high-pressure water to the surface of the stainless steel, removing dirt attached to the surface, airing and removing oil;
s2, covering the sensing disc on the surface of stainless steel, then automatically triggering corresponding processing actions, filling ash materials in the concave part of the surface of the stainless steel, and releasing polishing agents in the convex part of the surface;
s3, roughly polishing the surface protrusions in a mechanical polishing mode, baking and drying the stainless steel to obtain ash, and then leveling and cleaning the surface;
s4, placing the stainless steel in a closed tank, soaking the stainless steel in an activating solution for activation treatment, then washing the stainless steel with a sodium carbonate solution for 4min, and drying the stainless steel to constant weight;
s5, placing the stainless steel in polishing solution for soaking and fine polishing, wherein the soaking time is 15min, and ultrasonic vibration is carried out in the soaking time;
and S6, after finishing fine polishing, washing with flowing water for 2 times, wherein each time is not less than 10S, and drying after washing.
And step S4, vacuumizing to enable the vacuum degree in the tank to be-0.12 MPa, injecting the activating solution into the tank, and immersing the stainless steel for treatment for 2.5 h.
The activating solution in the step S4 is prepared from the following components in parts by weight: 4 parts of coconut oil fatty acid diethanolamide, 2 parts of urea, 3 parts of sodium ricinoleate sulfate, 3 parts of glycerol monostearate and 90 parts of water.
The polishing solution in the step S5 comprises the following raw materials in parts by weight: 6 parts of nitric acid, 4 parts of hydrofluoric acid, 2.5 parts of hydrogen peroxide, 5 parts of aluminum stearate, 4 parts of ammonium pyrophosphate, 0.03 part of cerium chloride, 18 parts of furfuryl alcohol and 110 parts of water.
The remainder was in accordance with example 1.
Example 3:
a stainless steel rust removing and polishing process comprises the following steps:
s1, spraying high-pressure water to the surface of the stainless steel, removing dirt attached to the surface, airing and removing oil;
s2, covering the sensing disc on the surface of stainless steel, then automatically triggering corresponding processing actions, filling ash materials in the concave part of the surface of the stainless steel, and releasing polishing agents in the convex part of the surface;
s3, roughly polishing the surface protrusions in a mechanical polishing mode, baking and drying the stainless steel to obtain ash, and then leveling and cleaning the surface;
s4, placing the stainless steel in a closed tank, soaking the stainless steel in an activating solution for activation treatment, then washing the stainless steel for 5min by using a sodium carbonate solution, and drying the stainless steel to constant weight;
s5, placing the stainless steel in polishing solution for soaking and fine polishing, wherein the soaking time is 20min, and ultrasonic vibration is carried out in the soaking time;
and S6, after finishing fine polishing, washing with flowing water for 3 times, wherein each time is not less than 10S, and drying after washing.
And step S4, vacuumizing to enable the vacuum degree in the tank to be-0.12 MPa, injecting the activating solution into the tank, and immersing the stainless steel for treatment for 3 hours.
The activating solution in the step S4 is prepared from the following components in parts by weight: 5 parts of coconut oil fatty acid diethanolamide, 3 parts of urea, 4 parts of sodium ricinoleate sulfate, 4 parts of glycerol monostearate and 100 parts of water.
Further, the polishing solution in step S5 includes the following raw materials in parts by weight: 7 parts of nitric acid, 5 parts of hydrofluoric acid, 3 parts of hydrogen peroxide, 6 parts of aluminum stearate, 5 parts of ammonium pyrophosphate, 0.04 part of cerium chloride, 20 parts of furfuryl alcohol and 120 parts of water.
The remainder was in accordance with example 1.
The invention can sense the sunken area and the convex area on the surface of the stainless steel by innovatively introducing the sensing disc and covering the surface of the stainless steel in a manner of covering the surface of the stainless steel, autonomously trigger the sinking or floating action of the internal sensing rod 3, autonomously release ash materials to the sunken area for filling and repairing during sinking, autonomously release polishing agents to the convex area during floating, not only mark and pre-treat the sunken area and the convex area on the surface of the stainless steel, facilitate technicians to directly use mechanical tools to be matched with the polishing agents of the convex area for rough polishing at the convex part, bake and dry the ash materials in the sunken area after the rough polishing is finished to force the ash materials to finish repairing, but also effectively improve the polishing effect on the surface of the stainless steel through subsequent chemical fine polishing, thereby improving the polishing efficiency of the whole stainless steel and treating local defect areas, the polishing quality of the stainless steel is obviously improved.
The above are merely preferred embodiments of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (10)
1. A stainless steel rust removing and polishing process is characterized in that: the method comprises the following steps:
s1, spraying high-pressure water to the surface of the stainless steel, removing dirt attached to the surface, airing and removing oil;
s2, covering the sensing disc on the surface of stainless steel, then automatically triggering corresponding processing actions, filling ash materials in the concave part of the surface of the stainless steel, and releasing polishing agents in the convex part of the surface;
s3, roughly polishing the surface protrusions in a mechanical polishing mode, baking and drying the stainless steel to obtain ash, and then leveling and cleaning the surface;
s4, placing the stainless steel in a closed tank, soaking the stainless steel in an activating solution for activation treatment, then washing the stainless steel with a sodium carbonate solution for 3-5min, and drying the stainless steel to constant weight;
s5, placing the stainless steel in polishing solution for soaking and fine polishing, wherein the soaking time is 10-20min, and ultrasonic vibration is carried out in the soaking time;
and S6, after finishing fine polishing, washing with flowing water for 2-3 times, wherein each time is not less than 10S, and drying after washing.
2. The rust removing and polishing process for stainless steel according to claim 1, which is characterized in that: the sensing plate in the step S2 comprises a positioning plate (1), a sensing net (2) and a plurality of sensing rods (3), wherein the sensing rods (3) are uniformly connected between the positioning plate (1) and the sensing net (2).
3. The rust removing and polishing process for stainless steel according to claim 2, which is characterized in that: the positioning plate (1) is made of a hard material, and the sensing net (2) is made of an elastic material.
4. The rust removing and polishing process for stainless steel according to claim 2, which is characterized in that: the sensing rod (3) comprises an upper static ball (31), a lower moving ball (32) and a transmission rod (33), the upper static ball (31) is connected with the positioning disc (1), the lower moving ball (32) is connected with the sensing net (2), an isolation cylinder (7) is connected in the lower moving ball (32), a magnetic control ball cover (4) is embedded and connected at the center of the isolation cylinder (7), a trigger ball (10) is embedded and connected in the magnetic control ball cover (4), a central magnet (11) is embedded and connected in the trigger ball (10), the transmission rod (33) is connected between the central magnet (11) and the upper static ball (31), elastic pressure films (6) are connected at the left end and the right end of the isolation cylinder (7), a magnet block (5) is connected at one end of the elastic pressure film (6) far away from the isolation cylinder (7), variable diameter holes are formed at the left end and the right end of the isolation cylinder (7), and matched blocking balls (8) are embedded in the variable diameter holes, and a reset pull wire (9) is connected between the plugging ball (8) and the magnet block (5).
5. The rust removing and polishing process for stainless steel according to claim 4, which is characterized in that: the inner end of the isolation cylinder (7) is connected with a pair of cambered surface bulges which are obliquely symmetrical about the magnetic control ball cover (4), the cambered surface bulges are matched and attached with the magnetic control ball cover (4), the magnetic control ball cover (4) comprises a plurality of magnetic isolation flaps which are distributed in an annular array mode, and the centers of the adjacent magnetic isolation flaps are connected with each other.
6. The rust removing and polishing process for stainless steel according to claim 5, which is characterized in that: the elastic pressing film (6) on the same side as the lower arc surface protrusion is filled with ash, and the elastic pressing film (6) on the same side as the upper arc surface protrusion is filled with a polishing agent.
7. The rust removing and polishing process for stainless steel according to claim 1, which is characterized in that: the ash material in the step S2 is one of atomic ash or aluminum healant, and the polishing agent is formed by mixing chromium oxide micro powder with the particle size of W5-W0.5 and emulsion.
8. The rust removing and polishing process for stainless steel according to claim 1, which is characterized in that: and in the step S4, vacuumizing to enable the vacuum degree in the tank to be-0.12 MPa, injecting the activating solution into the tank, and immersing the stainless steel for 2-3 h.
9. The rust removing and polishing process for stainless steel according to claim 1, which is characterized in that: the activating solution in the step S4 is prepared from the following components in parts by weight: 3-5 parts of coconut oil fatty acid diethanolamide, 1-3 parts of urea, 2-4 parts of ricinoleic acid butyl ester sodium sulfate, 2-4 parts of stearic acid monoglyceride and 80-100 parts of water.
10. The rust removing and polishing process for stainless steel according to claim 1, which is characterized in that: the polishing solution in the step S5 comprises the following raw materials in parts by weight: 5-7 parts of nitric acid, 3-5 parts of hydrofluoric acid, 2-3 parts of hydrogen peroxide, 4-6 parts of aluminum stearate, 3-5 parts of ammonium pyrophosphate, 0.02-0.04 part of cerium chloride, 15-20 parts of furfuryl alcohol and 120 parts of water.
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| JPH06114700A (en) * | 1992-10-09 | 1994-04-26 | Toyo A Tec Kk | Magnetic polishing method |
| CN102341215A (en) * | 2009-03-24 | 2012-02-01 | 圣戈班磨料磨具有限公司 | Abrasive tool for use as a chemical mechanical planarization pad conditioner |
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Application publication date: 20210611 |