CN111805406B - Stainless steel surface polishing process - Google Patents
Stainless steel surface polishing process Download PDFInfo
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- CN111805406B CN111805406B CN202010694969.9A CN202010694969A CN111805406B CN 111805406 B CN111805406 B CN 111805406B CN 202010694969 A CN202010694969 A CN 202010694969A CN 111805406 B CN111805406 B CN 111805406B
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- stainless steel
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- 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
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
- B24B29/06—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces for elongated workpieces having uniform cross-section in one main direction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/30—Combinations with other devices, not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/04—Stationary flat screens
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- 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/068—Table-like supports for panels, sheets or the like
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- 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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a stainless steel surface polishing process, which belongs to the technical field of stainless steel processing, wherein a stainless steel plate is subjected to finish polishing through a negative pressure type cloth wheel, heat generated by friction during polishing is transferred into a solution chamber, a direction-changing rotating ball is rotated anticlockwise to be communicated with an epitaxial conduit, so that carbon dioxide contained in a carbon dioxide aqueous solution escapes, the carbon dioxide sequentially passes through a breathable film, an air outlet hole, the epitaxial conduit, the direction-changing rotating ball, a flow dividing hole and an air inlet hole, enters the air chamber and continuously flows along with the carbon dioxide, the carbon dioxide can be forced to flow back into the solution chamber, the circular flow of the carbon dioxide is realized, the negative pressure is formed on the upper side of the cloth wheel by virtue of small pressure during flowing, metal scraps generated during finish polishing are sucked into the cloth wheel by virtue of the action of atmospheric pressure, and the possibility that the metal scraps generated during polishing cause damage to a human body is, meanwhile, the repeated utilization rate of the metal scraps is improved.
Description
Technical Field
The invention relates to the technical field of stainless steel processing, in particular to a stainless steel surface 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; the corrosion resistance of steel types which are resistant to chemical corrosion mediums (chemical corrosion such as acid, alkali, salt and the like) is different due to the difference of chemical components of the steel types, common stainless steel is generally not resistant to chemical corrosion, the acid-resistant steel generally has stainless property, the term "stainless steel" is not only a stainless steel but also more than one hundred industrial stainless steels, each developed stainless steel has good performance in a specific application field, the key of success is to find the purpose firstly, then correct steel types are determined, the steel types related to the application field of building construction are only six types, the steel types all contain 17-22% of chromium, the better steel types also contain nickel, and the atmospheric corrosion resistance, particularly the corrosion resistance of chloride-containing atmosphere can be further improved by adding molybdenum.
Stainless steel is widely applied due to higher corrosion resistance and decoration, and is particularly popularized and popularized in the aspects of medical appliances, food industry appliances, tableware, kitchen appliances and the like, the stainless steel appliances are required to be corrosion resistant, bright in appearance and clean and sanitary, and substances toxic to human bodies are not attached to the surfaces of the appliances, so that the requirements on surface treatment for producing the appliances are required to thoroughly remove harmful substances on the surfaces, and the materials required for polishing the stainless steel are generally as follows: "polishing wax, hemp wheel, nylon wheel, cloth wheel, wind wheel, wire cloth wheel" and the like.
At present, the cloth wheel is used most when the stainless steel surface is subjected to fine polishing, but in the polishing process of the stainless steel surface by using the cloth wheel in practice, the phenomenon that fragments fly randomly easily occurs, and particularly, in the fine polishing, the metal fragments generated by friction have smaller particle sizes, so that the dispersion range is wider, the respiratory tract of a human body is easily damaged, the metal fragments are not easily collected on the other hand, and the utilization rate of the stainless steel metal is reduced.
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 surface polishing process, the scheme is that a stainless steel plate is subjected to fine polishing through a negative pressure type cloth wheel, heat generated by friction during polishing is transferred into a solution chamber, ammonium chloride powder in a direction-changing ball is promoted to decompose, so that the direction-changing ball rotates anticlockwise to be communicated with an epitaxial conduit, carbon dioxide contained in a carbon dioxide aqueous solution is promoted to escape, the carbon dioxide sequentially passes through a breathable film, an air outlet hole, the epitaxial conduit, the direction-changing ball, a flow dividing hole and an air inlet hole, then enters an air chamber and continuously flows along with the carbon dioxide, the carbon dioxide can be forced to flow back into the solution chamber after passing through a first gas path one-way valve and a backflow through hole, the circular flow of the carbon dioxide is realized, the pressure during the flow is small, the negative pressure is formed on the upper side of the cloth wheel, the metal scraps generated in the fine polishing process are sucked up into the cloth wheel, so that the possibility of harm to a human body caused by the metal scraps generated in the polishing process is reduced, and the reutilization rate of the metal scraps is improved.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A stainless steel surface polishing process is characterized in that: the method comprises the following steps:
s1, placing the stainless steel plate to be polished on a workbench, fixing the stainless steel plate, and performing coarse grinding on the surface of the stainless steel plate by using a grinding wheel;
s2, mounting the negative-pressure cloth wheel on a polishing machine, and sprinkling reducing iron powder on the local surface of the roughly-ground stainless steel plate, wherein the area of the reducing iron powder is approximately the same as that of the negative-pressure cloth wheel;
s3, immediately grinding the stainless steel plate covered with the reducing iron powder area by using a negative pressure type cloth wheel to finish the finish polishing of the stainless steel plate;
and S4, after finishing fine polishing, uniformly covering the surface of the stainless steel plate with polishing liquid formed by mixing red powder, water and nitric acid in a ratio of 1:2:80, polishing the stainless steel plate into a mirror surface plate, washing with clear water and drying.
Further, the negative pressure type cloth wheel in the S2 includes a cloth wheel, a flowing negative pressure disc is fixedly connected to the upper end of the cloth wheel, an internal cylindrical cavity is drilled in the flowing negative pressure disc, an external annular rubber frame is fixedly connected to the outer end of the flowing negative pressure disc, a pair of partition plates is fixedly connected to the inner wall of the external annular rubber frame, the partition plates divide the interior of the external annular rubber frame into a left solution chamber and a right air chamber, a plurality of uniformly distributed air inlets are drilled between the air chambers and the internal cylindrical cavity, an air outlet is drilled between the solution chamber and the internal cylindrical cavity, a carbon dioxide aqueous solution is filled in the solution chamber, a breathable film is fixedly connected to the inner wall of the solution chamber, the breathable film is located outside the air outlet, an extension duct located outside the air outlet is fixedly connected to the inner wall of the internal cylindrical cavity, and a direction changing ball rotatably connected to the inner wall of the internal cylindrical cavity, the outer end of the partition plate is provided with a backflow hole, the outer end of the partition plate is fixedly connected with a first air path one-way valve which is positioned outside the backflow hole and in an air chamber, the inner wall of the built-in cylindrical cavity is fixedly connected with a pair of splitter plates which are positioned on the right side of the redirection rotary ball, the outer end of the splitter plate is provided with a plurality of evenly distributed splitter holes, the bottom end of the flowing negative pressure disc is provided with a plurality of lower adsorption holes which are distributed annularly and communicated with the built-in cylindrical cavity, the stainless steel plate is finely polished by a negative pressure type cloth wheel, heat generated by friction during polishing is transferred into the solution chamber, and meanwhile, ammonium chloride powder in the redirection rotary ball is decomposed, so that the redirection rotary ball rotates anticlockwise to be communicated with the epitaxial conduit, carbon dioxide contained in the carbon dioxide aqueous solution is enabled to escape, and the diversion rotary ball sequentially passes through a breathable film, after the flow dividing holes and the air inlet holes are formed, the carbon dioxide enters the air chamber and continuously flows along with the carbon dioxide, the carbon dioxide can be forced to flow back to the solution chamber after passing through the first air path one-way valve and the backflow through holes, the circular flow of the carbon dioxide is realized, the negative pressure is formed on the upper side of the cloth wheel under the action of the small pressure during the flow, the metal scraps generated during the fine polishing are sucked into the cloth wheel under the action of the atmospheric pressure, the possibility that the metal scraps generated in the polishing process damage the human body is reduced, and the recycling rate of the metal scraps is improved.
Furthermore, the turnabout ball comprises a spherical package frame, the upper end and the lower end of the spherical package frame are both provided with a bearing through hole, the cylindrical sealed tube is connected with a piston plate in a sliding manner, a memory alloy spring is fixedly connected between the piston plate and the inner wall of the right side of the spherical package frame, one end of the piston plate, which is far away from the memory alloy spring, is fixedly connected with a balancing weight, ammonium chloride powder is filled between the piston plate and the inner wall of the right side of the spherical package frame, after polishing is finished, decomposed hydrogen chloride gas and ammonia gas can be promoted to be synthesized into ammonium chloride powder again by virtue of slow reduction of temperature, the piston plate and the balancing weight are promoted to reset upwards under the reset action of the memory alloy spring, so that the gravity center of the turnabout ball is promoted to rise, the turnabout ball is promoted to rotate 90 degrees clockwise until a second limiting plate is abutted against the first limiting plate, and a technician presses the right half, the carbon dioxide is promoted to flow outwards, part of the carbon dioxide is directly discharged from the air inlet hole and the lower adsorption hole, so that the metal debris adsorbed in the cloth wheel is discharged and collected, and the other part of the carbon dioxide enters the solution chamber from the first air path one-way valve and the backflow through hole and is absorbed again by the carbon dioxide aqueous solution, so that the collection of the metal debris is realized on one hand, and the reutilization of the carbon dioxide is also realized on the other hand.
Furthermore, a filter screen positioned between the cloth wheel and the flowing negative pressure disc is embedded at the bottom end of the flowing negative pressure disc, the filter screen is positioned at the lower side of the lower adsorption hole and is made of 400-stainless steel, the possibility that metal fragments enter the built-in cylindrical cavity in the using process can be reduced by arranging the filter screen, meanwhile, the filter screen is made of 400-stainless steel, so that the filter screen has magnetism, the reducing iron powder can be used for promoting the reaction of the reducing iron powder and air and generating heat during grinding, so that the rotating speed of the redirection rotary ball is improved, on the other hand, the product of the reaction of the reducing iron powder and the air contains ferroferric oxide, so that the ferroferric oxide powder can be adsorbed onto the filter screen and the filter screen is magnetized, so that when the stainless steel with ferromagnetism is ground, the adsorption efficiency of the metal fragments is improved, meanwhile, the accumulation of ferroferric oxide powder and ferromagnetic metal fragments can be used, the mesh aperture of the filter screen can be reduced, and the filtering efficiency of the filter screen is further improved.
Further, it is connected with the rotation post to rotate between the inner wall about the external annular rubber frame, the stirring rake of rotating a plurality of evenly distributed of post outer end fixedly connected with can drive its rotation when carbon dioxide flows with the help of rotating post and stirring rake to improve the efficiency that the carbon dioxide in the carbon dioxide aqueous solution escaped.
Further, the one end that epitaxial pipe is close to and changes to change the ball sets to and changes to change ball assorted cambered surface, epitaxial pipe and change to fully contact between the ball, epitaxial pipe and change to all be equipped with polishing layer with change to the mutual department of contact of ball, through setting to epitaxial pipe outer end and change to change ball phase-match, can reduce the in-process that uses epitaxial pipe and change to the possibility of leaking gas between the ball, through setting up polishing layer, the possibility that appears the card stopper when changing to the ball and rotating simultaneously can be reduced.
Furthermore, be located the left the flow distribution plate is close to the first limiting plate of the one end fixedly connected with who changes the ball, change the second limiting plate that changes ball outer end fixedly connected with and offset with first limiting plate, through setting up first limiting plate and second limiting plate, can restrict the turned position who changes the ball, reduce the possibility that the second limiting plate rotated the bottom to make to change the ball and can block epitaxial pipe after the temperature reduces.
Further, the magnet piece of second limiting plate and the inside fixedly connected with inter attraction of first limiting plate, second limiting plate and first limiting plate are made by the heat preservation material, through setting up the magnet piece that sets up the inter attraction in second limiting plate and first limiting plate inside, can be after the temperature reduces, inhale down with the help of the attraction effect of second limiting plate to first limiting plate, impel to change the ball clockwise rotation, thereby realize changing to the ball and blocking to the pipe that prolongs, through using first limiting plate of heat preservation material preparation and second limiting plate, can be with the help of its heat preservation effect, reduce the possibility of its inside magnet piece demagnetization because high temperature.
Furthermore, the outer end of the piston plate is fixedly connected with a sealing ring, the sealing ring is in close contact with the inner wall of the cylindrical closed pipe, and the possibility that hydrogen chloride gas and ammonia gas penetrate through a gap between the piston plate and the cylindrical closed pipe can be reduced by arranging the sealing ring.
Furthermore, the memory alloy spring is made of Ni-Ti memory alloy materials, the memory alloy spring has a two-way memory effect, the metamorphic temperature of the memory alloy spring is 40 ℃, and the memory alloy spring is made of the Ni-Ti memory alloy with the two-way memory effect, so that the memory alloy spring can be driven to be a compression spring in a high-temperature phase state and to be a tension spring in a low-temperature phase state, the position change of the balancing weight is realized, and the gravity center position of the redirection rotating ball is changed.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) according to the scheme, the stainless steel plate is subjected to fine polishing through the negative-pressure cloth wheel, heat generated by friction during polishing is transferred into the solution chamber, and ammonium chloride powder in the direction-changing rotary ball is simultaneously promoted to decompose, so that the direction-changing rotary ball rotates anticlockwise to be communicated with the epitaxial conduit, carbon dioxide contained in a carbon dioxide aqueous solution is promoted to escape, and the carbon dioxide sequentially passes through the breathable film, the air outlet hole, the epitaxial conduit, the direction-changing rotary ball, the flow dividing hole and the air inlet hole, enters the air chamber and flows continuously along with the carbon dioxide, the carbon dioxide can be forced to flow back into the solution chamber after passing through the first gas path one-way valve and the backflow through hole, so that the circular flow of the carbon dioxide is realized, the pressure during flowing is small, negative pressure is formed on the upper side of the cloth wheel, metal chips generated during fine polishing are sucked into the cloth wheel under the action of atmospheric pressure, and the possibility, meanwhile, the repeated utilization rate of the metal scraps is improved.
(2) The turnabout ball comprises a spherical package frame, bearing through holes are drilled at the upper end and the lower end of the spherical package frame, a piston plate is connected in a cylindrical closed tube in a sliding mode, a memory alloy spring is fixedly connected between the piston plate and the inner wall of the right side of the spherical package frame, a balancing weight is fixedly connected at one end, far away from the memory alloy spring, of the piston plate, ammonium chloride powder is filled between the piston plate and the inner wall of the right side of the spherical package frame, after polishing is completed, decomposed hydrogen chloride gas and ammonia gas can be promoted to be synthesized into the ammonium chloride powder again by virtue of slow reduction of temperature, the piston plate and the balancing weight are promoted to be reset upwards under the reset action of the memory alloy spring, so that the gravity center of the turnabout ball is promoted to rise, the turnabout ball is promoted to rotate 90 degrees clockwise until a second limiting plate abuts against a first limiting plate, a technician presses the right half, and part of carbon dioxide is directly discharged from the air inlet hole and the lower adsorption hole, so that metal debris adsorbed in the cloth wheel is discharged and collected, and the other part of carbon dioxide enters the solution chamber from the first air path one-way valve and the backflow through hole and is absorbed again by carbon dioxide aqueous solution, so that the metal debris is collected on one hand, and the carbon dioxide is recycled on the other hand.
(3) The bottom end of the flowing negative pressure disc is embedded with a filter screen positioned between the cloth wheel and the flowing negative pressure disc, the filter screen is positioned at the lower side of the lower adsorption hole and is made of 400-stainless steel, the possibility that metal fragments enter the built-in cylindrical cavity in the using process can be reduced by arranging the filter screen, meanwhile, the filter screen is made of 400-stainless steel and has magnetism, the reducing iron powder can be used for promoting the reaction of the reducing iron powder and air and generating heat during grinding, so that the rotating speed of the direction-changing rotating ball is improved, on the other hand, by containing ferroferric oxide in the product of the reaction of the reducing iron powder and the air, the ferroferric oxide powder can be adsorbed on the filter screen and the filter screen is magnetized, so that the adsorption efficiency of the metal fragments can be improved when the stainless steel with ferromagnetism is ground, meanwhile, the accumulation of ferroferric oxide powder and ferromagnetic metal fragments can be used, the mesh aperture of the filter screen can be reduced, and the filtering efficiency of the filter screen is further improved.
(4) Rotate between the upper and lower inner wall of external annular rubber frame and be connected with the rotation post, rotate a plurality of evenly distributed's of post outer end fixedly connected with stirring rake, with the help of rotation post and stirring rake, can drive its rotation when carbon dioxide flows to improve the efficiency that the carbon dioxide in the carbon dioxide aqueous solution escaped.
(5) The one end that epitaxial pipe is close to turning to the ball sets to and turns to the cambered surface that changes ball assorted, epitaxial pipe with change fully to contact between the ball, epitaxial pipe all is equipped with polishing layer with the mutual department of contact of turning to the ball, through set to the outer end of epitaxial pipe and change to turning to the ball assorted, can reduce the in-process that uses epitaxial pipe and change the possibility of leaking gas between the ball, simultaneously through setting up polishing layer, can reduce the possibility that appears the jam when changing to the ball and rotating.
(6) The one end fixedly connected with first limiting plate that is located left flow distribution plate and is close to change the ball, change to the second limiting plate that changes ball outer end fixedly connected with and offset with first limiting plate, through setting up first limiting plate and second limiting plate, can restrict the turned position who changes to change the ball, reduce the possibility that the second limiting plate rotated the bottom to make to change to the ball and can seal the pipe that extends after the temperature reduces.
(7) Second limiting plate and the inside fixedly connected with inter attraction's of first limiting plate magnet piece, second limiting plate and first limiting plate are made by the heat preservation material, through setting up the magnet piece of setting up inter attraction in second limiting plate and first limiting plate inside, can be after the temperature reduction, inhale down with the help of the attraction effect of second limiting plate to first limiting plate, impel to change ball clockwise turning, thereby realize changing to the ball and blocking the pipe of external extension, through using first limiting plate of heat preservation material preparation and second limiting plate, can be with the help of its heat preservation effect, reduce the magnet piece inside because high temperature and the possibility of demagnetization.
(8) The outer end of the piston plate is fixedly connected with a sealing ring, the sealing ring is in close contact with the inner wall of the cylindrical closed pipe, and the possibility that hydrogen chloride gas and ammonia gas penetrate through a gap between the piston plate and the cylindrical closed pipe can be reduced by arranging the sealing ring.
(9) The memory alloy spring is made of Ni-Ti memory alloy materials, has a two-way memory effect, has the metamorphosis temperature of 40 ℃, and can be driven to be a compression spring in a high-temperature phase state and an extension spring in a low-temperature phase state by manufacturing the memory alloy spring by using the Ni-Ti memory alloy with the two-way memory effect, so that the position change of the balancing weight is realized, and the gravity center position of the redirection rotating ball is changed.
Drawings
FIG. 1 is a vertical cross-sectional view of a negative pressure cloth wheel of the present invention;
FIG. 2 is a cross-sectional view of the negative pressure cloth wheel of the present invention;
FIG. 3 is a partial cross-sectional view of the negative pressure cloth wheel of the present invention;
FIG. 4 is a cross-sectional view of a redirecting turning ball portion of the invention;
fig. 5 is a cross-sectional view of the negative pressure type cloth wheel of the present invention after the temperature is lowered.
The reference numbers in the figures illustrate:
the device comprises a cloth wheel 1, a flowing negative pressure disc 2, a filter screen 201, a built-in cylindrical cavity 3, an external annular rubber frame 4, a rotating column 401, a stirring paddle 402, a partition plate 5, an air inlet 6, an air outlet 7, an aqueous solution of carbon dioxide 8, a breathable film 9, an epitaxial catheter 10, a redirecting rotating ball 11, a backflow through hole 12, a first air channel one-way valve 13, a splitter plate 14, a first limiting plate 1401, a splitter hole 15, a lower adsorption hole 16, a spherical covering frame 17, a second limiting plate 1701, a bearing through hole 18, a second one-way valve 19, a cylindrical sealing tube 20, a piston plate 21, a memory alloy spring 22, a balancing weight 23 and ammonium chloride powder 24.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection 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:
a stainless steel surface polishing process is characterized in that: the method comprises the following steps:
s1, placing the stainless steel plate to be polished on a workbench, fixing the stainless steel plate, and performing coarse grinding on the surface of the stainless steel plate by using a grinding wheel;
s2, mounting the negative-pressure cloth wheel on a polishing machine, and sprinkling reducing iron powder on the local surface of the roughly-ground stainless steel plate, wherein the area of the reducing iron powder is approximately the same as that of the negative-pressure cloth wheel;
s3, immediately grinding the stainless steel plate covered with the reducing iron powder area by using a negative pressure type cloth wheel to finish the finish polishing of the stainless steel plate;
and S4, after finishing fine polishing, uniformly covering the surface of the stainless steel plate with polishing liquid formed by mixing red powder, water and nitric acid in a ratio of 1:2:80, polishing the stainless steel plate into a mirror surface plate, washing with clear water and drying.
Referring to fig. 1-3, the negative pressure type cloth wheel in S2 includes a cloth wheel 1, a flowing negative pressure disc 2 is fixedly connected to the upper end of the cloth wheel 1, an internal cylindrical cavity 3 is bored in the flowing negative pressure disc 2, an external annular rubber frame 4 is fixedly connected to the outer end of the flowing negative pressure disc 2, a pair of partition plates 5 is fixedly connected to the inner wall of the external annular rubber frame 4, the partition plates 5 partition the internal portion of the external annular rubber frame 4 into a left solution chamber and a right air chamber, a plurality of uniformly distributed air inlet holes 6 are bored between the air chambers and the internal cylindrical cavity 3, an air outlet hole 7 is bored between the solution chamber and the internal cylindrical cavity 3, a carbon dioxide aqueous solution 8 is filled in the solution chamber, a breathable film 9 is fixedly connected to the inner wall of the solution chamber, the breathable film 9 is located outside the air outlet hole 7, an extension conduit 10 located outside the air outlet hole 7 is fixedly connected to the inner wall of the internal cylindrical cavity 3, a, a backflow through hole 12 is drilled at the outer end of the partition plate 5, a first gas path one-way valve 13 which is positioned outside the backflow through hole 12 and in the air chamber is fixedly connected at the outer end of the partition plate 5, a pair of splitter plates 14 which are positioned at the right side of the redirection rotary ball 11 are fixedly connected at the inner wall of the built-in cylindrical cavity 3, a plurality of evenly distributed splitter holes 15 are drilled at the outer end of the splitter plates 14, a plurality of lower adsorption holes 16 which are distributed annularly and communicated with the built-in cylindrical cavity 3 are drilled at the bottom end of the flowing negative pressure disc 2, the stainless steel plate is finely polished by a negative pressure type cloth wheel, heat generated by friction during polishing is transferred into the solution chamber, and meanwhile, ammonium chloride powder 24 in the redirection rotary ball 11 is decomposed, so that the redirection rotary ball 11 rotates anticlockwise to be communicated with the epitaxial catheter 10, carbon dioxide contained in the carbon dioxide aqueous solution 8 is enabled to escape, After the extension guide pipe 10, the redirection rotating ball 11, the diversion hole 15 and the air inlet 6 enter the air chamber and flow continuously along with the carbon dioxide, the carbon dioxide can be forced to flow back to the solution chamber after passing through the first air path one-way valve 13 and the backflow through hole 12, so that the circular flow of the carbon dioxide is realized, the pressure during the flow is small, negative pressure is formed on the upper side of the cloth wheel 1, metal scraps generated during the fine polishing are sucked up to the cloth wheel 1 under the action of atmospheric pressure, the possibility that the metal scraps generated during the polishing process damage the human body is reduced, and the recycling rate of the metal scraps is improved.
Referring to fig. 3-5, the redirecting rotating ball 11 includes a spherical covering frame 17, the upper and lower ends of the spherical covering frame 17 are drilled with receiving through holes 18, a left and right cylindrical closed tube 20 is fixedly connected between the inner walls of the spherical covering frame 17, a piston plate 21 is slidably connected in the cylindrical closed tube 20, a memory alloy spring 22 is fixedly connected between the piston plate 21 and the right inner wall of the spherical covering frame 17, a counterweight 23 is fixedly connected to one end of the piston plate 21 away from the memory alloy spring 22, and ammonium chloride powder 24 is filled between the piston plate 21 and the right inner wall of the spherical covering frame 17, after polishing is completed, the decomposed hydrogen chloride gas and ammonia gas can be synthesized into ammonium chloride powder 24 again by virtue of slow temperature reduction, and under the reset action of the memory alloy spring 22, the piston plate 21 and the counterweight 23 are reset upwards, so that the gravity center of the redirecting rotating ball 11 is raised, so that the redirecting rotating ball 11 is rotated 90 degrees clockwise, until the second limiting plate 1701 is abutted against the first limiting plate 1401, a technician presses the right half side of the external annular rubber frame 4 again to enable carbon dioxide to flow outwards, partial carbon dioxide is directly discharged from the air inlet hole 6 and the lower adsorption hole 16, so that metal debris adsorbed in the cloth wheel 1 is discharged and collected, and the other part of carbon dioxide enters the solution chamber from the first air path one-way valve 13 and the backflow through hole 12 and is absorbed again by the carbon dioxide aqueous solution 8, so that the collection of the metal debris is realized on one hand, and the recycling of the carbon dioxide is also realized on the other hand.
Referring to fig. 1, 3 and 5, a filter screen 201 disposed between the cloth wheel 1 and the flowing negative pressure disc 2 is embedded at the bottom end of the flowing negative pressure disc 2, the filter screen 201 is disposed at the lower side of the lower adsorption hole 16, the filter screen 201 is made of 400-stainless steel, the possibility of metal debris entering the built-in cylindrical cavity 3 in the use process can be reduced by the filter screen 201, meanwhile, the filter screen 201 is made of 400-stainless steel, and therefore, the filter screen 201 has magnetism, the reducing iron powder can promote the reducing iron powder to react with air and generate heat during grinding, so as to increase the rotation speed of the direction changing ball 11, and on the other hand, the product of the reaction between the reducing iron powder and air contains ferroferric oxide, so that the ferroferric oxide powder can be adsorbed onto the filter screen 201 and the filter screen 201 is magnetized, so that when the stainless steel with ferromagnetism is ground, the adsorption efficiency of the metal fragments is improved, meanwhile, the mesh aperture of the filter screen 201 can be reduced by means of accumulation of ferroferric oxide powder and ferromagnetic metal fragments, and the filtering efficiency of the filter screen 201 is further improved.
Referring to fig. 1-3 and 5, a rotating column 401 is rotatably connected between the upper inner wall and the lower inner wall of the external annular rubber frame 4, a plurality of uniformly distributed stirring paddles 402 are fixedly connected to the outer end of the rotating column 401, and the carbon dioxide can be driven to rotate by the rotating column 401 and the stirring paddles 402 when flowing, so that the escape efficiency of the carbon dioxide in the carbon dioxide aqueous solution 8 is improved.
Referring to fig. 2-3 and 5, one end of the epitaxial conduit 10 close to the redirecting rotating ball 11 is set to be an arc surface matched with the redirecting rotating ball 11, the epitaxial conduit 10 is fully contacted with the redirecting rotating ball 11, the contacting part of the epitaxial conduit 10 and the redirecting rotating ball 11 is provided with a polishing layer, the outer end of the epitaxial conduit 10 is set to be matched with the redirecting rotating ball 11, the possibility of air leakage between the epitaxial conduit 10 and the redirecting rotating ball 11 in the using process can be reduced, meanwhile, the possibility of blocking during rotation of the redirecting rotating ball 11 can be reduced by setting the polishing layer, one end of the diversion plate 14 close to the redirecting rotating ball 11 on the left side is fixedly connected with a first limiting plate 1401, the outer end of the redirecting rotating ball 11 is fixedly connected with a second limiting plate 1701 abutted against the first limiting plate 1401, and the rotating position of the redirecting rotating ball 11 can be limited by setting the first limiting plate 1401 and the second limiting plate 1701, the possibility that the second limiting plate 1701 rotates to the bottom is reduced, so that the redirection rotary ball 11 can block the extension pipe 10 after the temperature is reduced, the mutually-attracted magnet blocks are fixedly connected with the inside of the second limiting plate 1701 and the inside of the first limiting plate 1401, the second limiting plate 1701 and the first limiting plate 1401 are both made of heat-insulating materials, the mutually-attracted magnet blocks are arranged inside the second limiting plate 1701 and the first limiting plate 1401, the attraction effect of the second limiting plate 1701 on the first limiting plate 1401 can be absorbed after the temperature is reduced, the redirection rotary ball 11 is enabled to rotate clockwise, the blocking of the redirection rotary ball 11 on the extension pipe 10 is achieved, the first limiting plate 1401 and the second limiting plate 1701 are made of the heat-insulating materials, the heat-insulating effect can be achieved, and the possibility that the magnet blocks inside the redirection rotary ball 11 are demagnetized due to high temperature is reduced.
Referring to fig. 4, the outer end of the piston plate 21 is fixedly connected with a sealing ring, the sealing ring is in close contact with the inner wall of the cylindrical closed tube 20, the sealing ring is arranged to reduce the possibility that hydrogen chloride gas and ammonia gas pass through the gap between the piston plate 21 and the cylindrical closed tube 20, the memory alloy spring 22 is made of a Ni-Ti memory alloy material, the memory alloy spring 22 has a two-way memory effect, the transformation temperature of the memory alloy spring 22 is 40 ℃, and the memory alloy spring 22 is made of the Ni-Ti memory alloy with the two-way memory effect, so that the memory alloy spring is a compression spring in a high-temperature phase state and an extension spring in a low-temperature phase state, and the position change of the balancing weight 23 is realized, and the gravity center position of the redirection rotating ball 11 is.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (9)
1. A stainless steel surface polishing process is characterized in that: the method comprises the following steps:
s1, placing the stainless steel plate to be polished on a workbench, fixing the stainless steel plate, and performing coarse grinding on the surface of the stainless steel plate by using a grinding wheel;
s2, mounting the negative-pressure cloth wheel on a polishing machine, and sprinkling reducing iron powder on the local surface of the roughly-ground stainless steel plate, wherein the area of the reducing iron powder is approximately the same as that of the negative-pressure cloth wheel;
s3, immediately grinding the stainless steel plate covered with the reducing iron powder area by using a negative pressure type cloth wheel to finish the finish polishing of the stainless steel plate;
s4, after finishing fine polishing, uniformly covering the surface of a stainless steel plate with polishing liquid formed by mixing red powder, water and nitric acid in a ratio of 1:2:80, polishing the stainless steel plate into a mirror surface plate, washing with clear water and drying;
the negative pressure type cloth wheel in the S2 comprises a cloth wheel (1), a flowing negative pressure disc (2) is fixedly connected to the upper end of the cloth wheel (1), a built-in cylindrical cavity (3) is formed in the flowing negative pressure disc (2), an external annular rubber frame (4) is fixedly connected to the outer end of the flowing negative pressure disc (2), a pair of partition plates (5) is fixedly connected to the inner wall of the external annular rubber frame (4), the external annular rubber frame (4) is divided into a left solution chamber and a right air chamber by the partition plates (5), a plurality of uniformly distributed air inlet holes (6) are formed between the air chambers and the built-in cylindrical cavity (3), air outlet holes (7) are formed between the solution chambers and the built-in cylindrical cavity (3), carbon dioxide aqueous solution (8) is filled in the solution chambers, and breathable films (9) are fixedly connected to the inner walls of the solution chambers, the breathable film (9) is positioned at the outer side of the air outlet hole (7), the inner wall of the built-in cylindrical cavity (3) is fixedly connected with an extension conduit (10) positioned at the outer side of the air outlet hole (7), a redirection rotating ball (11) which is rotationally connected with the inner wall of the built-in cylindrical cavity (3) is arranged on the outer side of the extension conduit (10), a return through hole (12) is drilled at the outer end of the partition plate (5), a first air path one-way valve (13) which is positioned at the outer side of the return through hole (12) and is positioned in the air chamber is fixedly connected at the outer end of the partition plate (5), the inner wall of the built-in cylindrical cavity (3) is fixedly connected with a pair of splitter plates (14) which are positioned on the right side of the redirection rotary ball (11), the outer end of the splitter plate (14) is provided with a plurality of evenly distributed splitter holes (15), the bottom end of the flowing negative pressure disc (2) is provided with a plurality of lower adsorption holes (16) which are distributed annularly and communicated with the built-in cylindrical cavity (3).
2. The stainless steel surface polishing process according to claim 1, characterized in that: it includes spherical package frame (17) to change ball (11), both ends have all been dug and have been accepted through-hole (18) about spherical package frame (17), the cylindricality of distribution is closed pipe (20) about fixedly connected with between spherical package frame (17) inner wall, sliding connection has piston plate (21) in cylindricality closed pipe (20), fixedly connected with memory alloy spring (22) between piston plate (21) and the spherical package frame (17) right side inner wall, the one end fixedly connected with balancing weight (23) of memory alloy spring (22) are kept away from in piston plate (21), it has ammonium chloride powder (24) to fill between piston plate (21) and the spherical package frame (17) right side inner wall.
3. A stainless steel surface polishing process according to claim 2, characterized in that: the bottom end of the flowing negative pressure disc (2) is embedded with a filter screen (201) which is arranged between the cloth wheel (1) and the flowing negative pressure disc (2), the filter screen (201) is arranged at the lower side of the lower adsorption hole (16), and the filter screen (201) is made of 400-stainless steel.
4. A stainless steel surface polishing process according to claim 2, characterized in that: the external annular rubber frame (4) is connected with between the upper and lower inner walls and rotates post (401), rotate a plurality of evenly distributed's stirring rake (402) of post (401) outer end fixedly connected with.
5. A stainless steel surface polishing process according to claim 2, characterized in that: one end of the extension guide pipe (10) close to the redirection rotating ball (11) is arranged to be an arc surface matched with the redirection rotating ball (11), the extension guide pipe (10) is in full contact with the redirection rotating ball (11), and polishing layers are arranged at the mutual contact positions of the extension guide pipe (10) and the redirection rotating ball (11).
6. A stainless steel surface polishing process according to claim 2, characterized in that: one end, close to the redirection rotating ball (11), of the shunting plate (14) on the left side is fixedly connected with a first limiting plate (1401), and the outer end of the redirection rotating ball (11) is fixedly connected with a second limiting plate (1701) which is abutted against the first limiting plate (1401).
7. The stainless steel surface polishing process according to claim 6, characterized in that: the interior of the second limiting plate (1701) and the interior of the first limiting plate (1401) are fixedly connected with magnet blocks which attract each other, and the second limiting plate (1701) and the first limiting plate (1401) are both made of heat-insulating materials.
8. A stainless steel surface polishing process according to claim 3, characterized in that: the outer end of the piston plate (21) is fixedly connected with a sealing ring, and the sealing ring is in close contact with the inner wall of the cylindrical closed pipe (20).
9. A stainless steel surface polishing process according to claim 3, characterized in that: the memory alloy spring (22) is made of Ni-Ti memory alloy materials, the memory alloy spring (22) has a two-way memory effect, and the transformation temperature of the memory alloy spring (22) is 40 ℃.
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| CN116652713B (en) * | 2023-08-01 | 2023-09-26 | 联峰钢铁（张家港）有限公司 | Grinding device for rolled material looper device |
| CN117445002B (en) * | 2023-11-09 | 2024-05-31 | 江苏中科云控智能工业装备有限公司 | Deburring robot with cutting force feedback |
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| JP2003266117A (en) * | 2002-03-13 | 2003-09-24 | Nisshin Steel Co Ltd | Method for removing hot-rolling scale by brushing |
| CN105108617A (en) * | 2015-08-20 | 2015-12-02 | 宏旺投资集团有限公司 | Mirror processing method for stainless steel plate and polishing machine adopted in the same |
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