CN110682110A - Stainless steel whole roll 8K polishing production line and production process thereof - Google Patents
Stainless steel whole roll 8K polishing production line and production process thereof Download PDFInfo
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- CN110682110A CN110682110A CN201911043036.7A CN201911043036A CN110682110A CN 110682110 A CN110682110 A CN 110682110A CN 201911043036 A CN201911043036 A CN 201911043036A CN 110682110 A CN110682110 A CN 110682110A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 61
- 238000005498 polishing Methods 0.000 title claims abstract description 49
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 46
- 239000010935 stainless steel Substances 0.000 title claims abstract description 46
- 238000000227 grinding Methods 0.000 claims abstract description 144
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 91
- 239000010959 steel Substances 0.000 claims abstract description 91
- 239000000835 fiber Substances 0.000 claims abstract description 56
- 238000004140 cleaning Methods 0.000 claims abstract description 32
- 210000002268 wool Anatomy 0.000 claims abstract description 31
- 238000001035 drying Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 12
- 239000004576 sand Substances 0.000 claims abstract description 8
- 239000007888 film coating Substances 0.000 claims abstract description 4
- 238000009501 film coating Methods 0.000 claims abstract description 4
- 238000003754 machining Methods 0.000 claims abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 238000010030 laminating Methods 0.000 claims description 16
- 241001282160 Percopsis transmontana Species 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 6
- 229910021645 metal ion Inorganic materials 0.000 claims description 6
- 229910017604 nitric acid Inorganic materials 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 229910000576 Laminated steel Inorganic materials 0.000 claims 1
- 230000001680 brushing effect Effects 0.000 claims 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims 1
- 238000005507 spraying Methods 0.000 claims 1
- 210000003128 head Anatomy 0.000 description 13
- 238000005406 washing Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- 230000007547 defect Effects 0.000 description 4
- 239000003814 drug Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229910002651 NO3 Inorganic materials 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 210000002489 tectorial membrane Anatomy 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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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
-
- 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
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention provides an 8K polishing production line for a whole stainless steel roll, which comprises an uncoiling machine, a pinch roll device, a straightening machine, a fiber sand roll unit, a fiber wheel coarse grinding unit, a wool wheel fine grinding unit, a cleaning machine, a drying machine, a film coating machine and a coiling machine which are sequentially arranged along a machining direction, wherein the uncoiling machine is used for uncoiling a stainless steel roll, the pinch roll device is used for conveying a steel strip uncoiled by the uncoiling machine to the straightening machine, the straightening machine is used for straightening the plate shape of the steel strip, the fiber sand roll unit and the fiber wheel coarse grinding unit are respectively used for carrying out coarse grinding on the steel strip, the wool wheel fine grinding unit is used for carrying out fine grinding on the steel strip, the cleaning machine is used for cleaning the steel strip after fine grinding, and the drying machine is used for drying. The invention also provides a production process of the stainless steel whole roll 8K polishing production line. The stainless steel whole roll 8K polishing production line can greatly improve the production efficiency and the product quality, simplify the working procedures and save the production cost.
Description
Technical Field
The invention relates to the technical field of stainless steel polishing, in particular to a stainless steel whole roll 8K polishing production line and a production process thereof.
Background
The stainless steel has the characteristics of high hardness, good wear resistance, good corrosion resistance, excellent appearance, long service life and the like, and is widely applied to industries such as buildings, automobile industry, shipbuilding industry, marine devices, mechanical equipment, chemical equipment and the like. The high-quality mirror polishing of the surface of the stainless steel product is one of the key factors for ensuring the wide application of the stainless steel product in the industries such as buildings, automobile industry, shipbuilding industry, marine devices, mechanical equipment, chemical equipment and the like. The stainless steel plate with flat surface and mirror luster after being ground and polished has 2B, BA, common surface, 8K surface and the best 8K surface. The 8K mirror surface plate is also called as an 8K plate in common jargon and is also called as a mirror surface plate, and the surface of the stainless steel plate is polished by using grinding fluid through polishing equipment, so that the surface luminosity of the plate is clear like a mirror. The polished 8K mirror surface plate is polished to make the surface bright like a mirror surface, and has higher plasticity, toughness and mechanical strength. The mirror surface plate can be also plated with color, and the stainless steel plate plated with color can be also called as a colorful stainless steel plate. The existing 8K mirror surface plate is ground by using a stainless steel plate, the grinding is mainly carried out by using a plate grinder, shearing is needed firstly, then the plate is ground in a plate mode, the whole roll of continuous plate grinding cannot be carried out, manual work is participated in, the moving and lifting actions are more, some collision scratch scratches are easily caused, the quality of the 8K mirror surface plate cannot be guaranteed, certain hidden danger exists in the safety of operators, and the production efficiency is difficult to improve.
Disclosure of Invention
In view of the above, the present invention provides a stainless steel whole roll 8K polishing production line, which can perform whole roll continuous grinding to solve the problems of multiple processes, low production efficiency and poor quality. The stainless steel whole roll 8K polishing production line can greatly improve the production efficiency and the product quality, simplify the working procedures and save the production cost.
The technical solution scheme involved in the invention is as follows:
the utility model provides a stainless steel is put up a roll 8K and is polished production line, including the decoiler that sets gradually according to the direction of processing, pinch roll device, the straightener, fibre sand roller set, fibre wheel corase grind unit, wool wheel correct grinding unit, the cleaning machine, the drying-machine, laminating machine and rolling machine, the decoiler is used for decoiling the stainless steel coil, pinch roll device is used for carrying out the steel band to the straightener after decoiling with the decoiler, the straightener is used for straightening the board type of steel band, fibre sand roller set and fibre wheel corase grind unit are used for carrying out the corase grinding to the steel band respectively, wool wheel correct grinding unit is used for carrying out the correct grinding to the steel band, the cleaning machine is used for wasing the steel band after the correct grinding, the drying-machine is used for drying the steel band after the washing, the laminating machine is used for the steel band tectorial membrane after the drying, the rolling.
Further, a steel strip butt welding machine is arranged between the pinch roll device and the straightening machine so as to weld the grinded steel strip of the previous roll and the steel strip of the next roll to be grinded.
Furthermore, a first conveying device is arranged between the straightening machine and the fiber sand roller unit, a second conveying device is arranged between the fiber sand roller unit and the fiber wheel coarse grinding unit, and a third conveying device is arranged between the drying machine and the film laminating machine.
Further, the first conveying device, the second conveying device and the third conveying device all adopt roller type conveying lines.
The stainless steel whole roll 8K polishing production line adopts a whole roll processing mode, the stainless steel whole roll is placed on an uncoiler and sequentially enters a pinch roll device, a straightener, a fiber sand roll unit, a fiber wheel coarse grinding unit, a wool wheel fine grinding unit, a cleaning machine, a drying machine and a film laminating machine, and finally, a processed steel belt is coiled into a coil material through a coiling machine. Therefore, the traditional processing mode is thoroughly overturned, the process that the traditional polishing machine needs to be cut into plates and then ground is reduced, the risk that the plate is easily subjected to surface defect due to plate grinding is avoided, meanwhile, the safety of operators is guaranteed, the production cost is reduced, and the production efficiency and the product quality are greatly improved.
A production process applying the stainless steel whole roll 8K polishing production line comprises the following steps:
① placing the whole stainless steel coil on an uncoiler for uncoiling;
②, the steel strip on the uncoiler is sent to a straightener through a pinch roll device, and the plate type of the steel strip is straightened;
③ the steel belt straightened by the straightener enters a fiber sand roller unit and a fiber wheel coarse grinding unit for coarse grinding, the coarse grinding adopts a water grinding mode, and an oxide layer on the surface of the steel belt is ground by taking a grinding wheel head as a tool;
④, the steel belt after coarse grinding by the fiber wheel coarse grinding unit enters a wool wheel fine grinding unit for fine grinding, the fine grinding takes wool felt and a sponge grinding head as grinding tools, and takes the mixed solution of nitric acid and alumina powder as polishing solution, and the steel belt is polished into a mirror surface;
⑤, cleaning the surface of the steel strip by a cleaning machine after the steel strip is finely ground;
⑥ drying the cleaned steel strip in a dryer;
⑦ the dried steel strip enters a film laminating machine to carry out film laminating or paper packing to protect the surface;
⑧ the steel belt coated with the film or the packing paper enters a winding machine to be wound into a coil material.
Further, in step ③, the fiber grinding roller set uses 600# -800# fiber rollers to longitudinally grind the surface, the mesh number is arranged from coarse to fine, the oxide layer on the surface is firstly roughly polished to reduce the rough polishing pressure of the following fiber wheels, the fiber wheel rough grinding set uses 80# -600# soft fiber rollers to rotationally polish the surface, the grinding gap is half the diameter of the grinding wheel until the oxide layer on the surface is eliminated, and the grinding trace on the surface is slight and has no hand feeling.
Further, in step ④, four sets of fiber grinding roller sets, 12 sets of fiber wheel rough grinding sets and 18 sets of wool wheel fine grinding sets are adopted, and the grinding heads are arranged in a mode from coarse meshes to fine meshes.
Further, the accurate grinding polishing solution is controlled in a segmented mode, the first 12 groups of wool wheel refiner sets are used as the first accurate grinding section, a liquid medicine tank is arranged, the concentration of the controlled nitrate is 40g/l +/-5, the density is controlled to be not more than 1.2g/l, the metal ions are controlled to be not more than 70g/l, the last 6 groups of wool wheel refiner sets are used as the second accurate grinding section, the liquid medicine tank is arranged, the concentration of the controlled nitric acid is 60g/l +/-5, the density is controlled to be not more than 1.1g/l, and the metal ions are not more than 70 g/l.
Furthermore, the grinding swing during coarse grinding and fine grinding is an arc swing method, the grinding head carries out all-dimensional grinding on the whole steel belt surface through arc swing, and the grinding feeding speed is 6-8M/min.
Further, in ⑤ step, use the mode that high-pressure pump and overflow circulation combined together during the washing, and set up three group's washing sections and wash, at first the high-pressure pump through first group washing section will spray the water to the steel band surface, form water pressure and strike and will remain the polishing solution of steel band surface pothole and wash out, the brush of rethread second group washing section is scrubbed, the independent water pipe introduction desalinized water of washing section through the third group at last washes the steel band surface, the desalinized water overflows to anterior segment washing circulation basin again.
By adopting the production process, the process that the traditional polishing machine needs to be cut into plates and then ground is reduced, the risk that the plate is easily subjected to plate grinding to cause plate surface defects is avoided, meanwhile, the safety of operators is ensured, the production cost is reduced, and the production efficiency and the product quality are greatly improved.
Drawings
FIG. 1 is a schematic structural diagram of a stainless steel whole roll 8K polishing production line of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention is clearly and completely described below with reference to the drawings in the embodiments of the present invention. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the scope of the invention.
Referring to fig. 1, the present invention provides an 8K polishing production line for a stainless steel whole roll, which includes an uncoiler 1, a pinch roll device 2, a straightener 3, a first conveyor 4, a fiber sand roll unit 5, a second conveyor 6, a fiber wheel rough grinding unit 7, a wool wheel fine grinding unit 8, a cleaning machine 9, a dryer 10, a third conveyor 11, a film covering machine 12, and a coiling machine 13, which are sequentially arranged along a processing direction. The uncoiler 1 is used for uncoiling a stainless steel coil, the pinch roll device 2 is used for conveying the steel strip uncoiled by the uncoiler 1 to the straightener 3, the straightener 3 is used for straightening the plate type of the steel strip, the fiber sand roll unit 5 and the fiber wheel coarse grinding unit 7 are respectively used for carrying out coarse grinding on the steel strip, the wool wheel fine grinding unit 8 is used for carrying out fine grinding on the steel strip, the cleaning machine 9 is used for cleaning the steel strip after the fine grinding, the drying machine 10 is used for drying the steel strip after the cleaning, the laminating machine 12 is used for laminating the steel strip after the drying, and the coiling machine 13 is used for coiling the steel strip after the laminating into a coil material.
It is understood that the first conveyor 4, the second conveyor 6 and the third conveyor 11 may be omitted. The first conveyor 4, the second conveyor 6 and the third conveyor 11 may be roller conveyor lines.
In order to ensure the continuity of the production of a plurality of steel coils, a steel coil butt welding machine is also arranged between the pinch roll device 2 and the straightening machine 3 so as to weld the last steel coil after being ground with the next steel coil to be ground, and the uninterrupted conveying is realized when coils are changed between the steel coils.
The stainless steel whole roll 8K polishing production line adopts a whole roll processing mode, the stainless steel whole roll is placed on an uncoiler 1 and sequentially enters a pinch roll device 2, a straightening machine 3, a fiber sand roll unit 5, a fiber wheel coarse grinding unit 7, a wool wheel fine grinding unit 8, a cleaning machine 9, a drying machine 10 and a film laminating machine 12, and finally, the processed steel belt is wound into a roll material through a winding machine 13. Like this, thoroughly subvert traditional processing mode according to a board, reduced in the past the burnishing machine and need cut into the board and go the process of grinding again, avoided the board to grind the risk that causes the face defect easily, also ensured operating personnel's safety simultaneously, reduced manufacturing cost, improved production efficiency and product quality by a wide margin.
Compared with the prior art, an automatic production line for continuously carrying out the whole roll of 8K polishing production line has not been available in the prior art, so that the continuous automatic plate grinding cannot be easily realized by adopting the equipment, and the sales mode of the stainless steel market is to sell the stainless steel in a mode of cutting the stainless steel into plates with a plurality of specifications so as to meet the use requirements. The polishing process of the plate needs to be carried out step by step in a plurality of processing plants, the problem that the plate needs to be polished again when the plate is polished once unsuccessfully exists, and the plate is polished again conveniently by using the polishing mode of the plate. Therefore, a technical prejudice has been formed by the way in which the skilled person is used to work with sheet materials. Secondly, the whole production line needs more equipment, the investment cost is extremely high, and the whole roll automatic production of grinding is realized by arranging uncoiling equipment, coiling equipment, matched conveying equipment and grinding equipment, corresponding to the adjustment of a specific process and the debugging of specific parameters under the condition that a polishing production mode which can be solved by lower cost is not favorable for putting into research and development attempts or tests. The production process principle of the stainless steel whole roll 8K polishing production line is applied, and the production process comprises the following steps:
① the whole stainless steel coil is placed on the uncoiler 1 to uncoil, i.e. the package of the coil is cut, and one end of the coil is pulled to the conveying line.
② the steel strip on the uncoiler 1 is sent into the straightener 3 by the pinch roll device 2 to straighten the plate type of the steel strip, the pinch roll device 2 is a pair of roll bodies which are oppositely arranged up and down, so that the steel strip passes between the two roll bodies to realize the clamping and conveying of the steel strip, and the straightener 3 is used for correcting the conveying direction of the steel strip and the flatness of the steel strip.
③ the steel belt straightened by the straightener 3 enters the fiber sand roller set 5 and the fiber wheel coarse grinding set 7 for coarse grinding, the coarse grinding adopts the water grinding mode, the grinding wheel head is used as a tool to grind off the oxide layer on the steel belt surface, the fiber sand roller set 5 uses the fiber roller of No. 600-800 to grind the surface longitudinally, the mesh number is arranged from coarse to fine, the oxide layer on the surface is firstly rough polished, the rough polishing pressure of the following fiber wheel is reduced, the fiber wheel coarse grinding set 7 uses the soft fiber wheel of No. 80-600 to carry out rotary polishing on the surface, the grinding gap is half of the diameter of the grinding wheel until the oxide layer on the surface is eliminated, and the grinding trace on the surface is slight and has no hand feeling.
④ the steel belt after coarse grinding by the fiber wheel coarse grinding unit 7 enters the wool wheel fine grinding unit 8 for fine grinding, the fine grinding takes wool felt and sponge grinding head as grinding tool, the mixed liquid of nitric acid and alumina powder as polishing liquid, and the steel belt is polished into mirror surface.
According to the invention, four groups of fiber sand roller sets 5, 12 groups of fiber wheel rough grinding sets 7 and 18 groups of wool wheel fine grinding sets 8 are combined, and grinding heads are arranged in a mode of coarse meshes to fine meshes, so that a steel belt can obtain a polishing effect in a shorter time, and the production efficiency is improved to 6-8 m/min.
The wool wheel of the wool wheel refiner set 8 is provided with the grooves, and the grinding slag remained in the middle of the wool wheel is washed out again in an internal water inlet mode, so that the cleanness and cooling of the wool wheel are ensured, the grinding head material accumulation sintering is avoided, the plate surface quality is improved, and the service life of the wool wheel is prolonged.
The accurate grinding polishing solution is controlled in sections, the first 12 groups of wool wheel accurate grinding machine sets 8 are used as an accurate grinding first section and are provided with a liquid medicine tank, the concentration of controlled nitrate is 40g/l +/-5, the density is controlled to be less than or equal to 1.2g/l, metal ions are controlled to be less than or equal to 70g/l, the effects of surface polishing and coarse grinding mark elimination are mainly achieved, and the last 6 groups of wool wheel accurate grinding machine sets 8 are used as an accurate grinding second section and are provided with a liquid medicine tank, the concentration of controlled nitric acid is 60g/l +/-5, the density is controlled to be less than or equal to 1.1g/l, the metal ions are less than or equal to 70 g/l.
The grinding swing during coarse grinding and fine grinding is an arc swing method, and a grinding head rotating at a high speed grinds the whole steel belt surface in all directions through arc swing, so that the steel belt surface is fully ground, and the grinding feeding speed is 6-8M/min.
According to the invention, an independent control grinding head mode is adopted, the grinding heads of the last six groups of wool wheel fine grinding machine sets 8 are controlled in a frequency conversion mode, each group of grinding heads can independently adjust the pressure, and when the thickness of the edge grinding head is different from that of the middle grinding head, the edge grinding head is immediately adjusted to press downwards to increase the cutting force, so that the consistency of the grinding pressure of the plate surface is ensured, and the uniformity of the plate surface grinding effect is ensured.
⑤ the steel band after the fine grinding enters the cleaning machine 9 to clean the steel band surface, use the mode that high-pressure pump and overflow circulation combined together during the washing, and set up three groups of cleaning sections and wash, at first, the high-pressure pump through first group cleaning section sprays the water to the steel band surface, it dashes out to form water pressure impact will remain the polishing solution of steel band surface pothole, the brush of the second group cleaning section of rethread scrubs, at last through the independent water pipe introduction desalinized water of the third group cleaning section and wash the steel band surface, the desalinized water overflows to anterior segment cleaning cycle basin again, overflow step by step can make cleaning water quality obtain the assurance, cleaning quality has been ensured.
⑥ the cleaned steel strip enters the dryer 10 to be dried, and is ready for film coating.
⑦ the dried steel strip enters into the laminating machine 12 to carry out laminating or paper packing to protect the surface.
⑧, the steel belt coated with the film or the packing paper enters a winding machine 13 to be wound into a coil material.
By adopting the production process, the process that the traditional polishing machine needs to be cut into plates and then ground is reduced, the risk that the plate is easily subjected to plate grinding to cause plate surface defects is avoided, meanwhile, the safety of operators is ensured, the production cost is reduced, and the production efficiency and the product quality are greatly improved.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A stainless steel whole roll 8K polishing production line is characterized by comprising an uncoiler (1), a pinch roll device (2), a straightener (3), a fiber sand roll unit (5), a fiber wheel coarse grinding unit (7), a wool wheel fine grinding unit (8), a cleaning machine (9), a dryer (10), a film coating machine (12) and a coiling machine (13) which are sequentially arranged along a machining direction, wherein the uncoiler (1) is used for uncoiling a stainless steel roll, the pinch roll device (2) is used for conveying the steel strip uncoiled by the uncoiler (1) to the straightener (3), the straightener (3) is used for straightening the plate shape of the steel strip, the fiber sand roll unit (5) and the fiber wheel coarse grinding unit (7) are respectively used for coarsely grinding the steel strip, the wool wheel fine grinding unit (8) is used for finely grinding the steel strip, and the cleaning machine (9) is used for cleaning the steel strip after fine grinding, the dryer (10) is used for drying the cleaned steel strip, the laminating machine (12) is used for laminating the dried steel strip, and the winding machine (13) is used for winding the laminated steel strip into a coil material.
2. The stainless steel whole roll 8K polishing production line according to claim 1, characterized in that a steel strip butt welder is further arranged between the pinch roll device (2) and the straightener (3) to weld the grinded steel strip of the previous roll with the steel strip of the next roll to be grinded.
3. The stainless steel whole roll 8K polishing production line according to claim 1, wherein a first conveying device (4) is arranged between the straightening machine (3) and the fiber sand roller unit (5), a second conveying device (6) is arranged between the fiber sand roller unit (5) and the fiber wheel rough grinding unit (7), and a third conveying device (11) is arranged between the drying machine (10) and the film coating machine (12).
4. The stainless steel whole roll 8K polishing production line according to claim 3, wherein the first conveying device (4), the second conveying device (6) and the third conveying device (11) adopt roller type conveying lines.
5. A production process of the stainless steel whole roll 8K polishing production line according to any one of claims 1-4, characterized by comprising the following steps:
① placing the whole stainless steel coil on an uncoiler (1) for uncoiling;
② the steel strip on the uncoiler (1) is sent to the straightener (3) through the pinch roll device (2) to straighten the plate type of the steel strip;
③, the steel belt straightened by the straightener (3) enters a fiber sand roller set (5) and a fiber wheel coarse grinding unit (7) for coarse grinding, the coarse grinding adopts a water grinding mode, and an oxide layer on the surface of the steel belt is ground by taking a grinding wheel head as a tool;
④, the steel belt after coarse grinding by the fiber wheel coarse grinding unit (7) enters a wool wheel fine grinding unit (8) for fine grinding, the fine grinding takes wool felt and a sponge grinding head as grinding tools, and mixed liquid of nitric acid and alumina powder as polishing liquid, and the steel belt is polished into a mirror surface;
⑤, the refined steel strip enters a cleaning machine (9) to clean the surface of the steel strip;
⑥ the cleaned steel strip enters a dryer (10) to be dried;
⑦ the dried steel strip enters a film laminating machine (12) to carry out film laminating or paper packing to protect the surface;
⑧, the steel belt coated with the film or padded paper enters a winding machine (13) to be wound into a coil material.
6. The production process of the stainless steel whole roll 8K polishing production line according to the claim 5, characterized in that in the ③ step, the fiber grinding roller set (5) uses the 600# -800# fiber rollers to carry out longitudinal grinding on the surface, the mesh number is arranged from coarse to fine, the oxide layer on the surface is firstly roughly polished to reduce the rough polishing pressure of the following fiber wheel, the fiber wheel rough grinding unit (7) uses the 80# -600# soft fiber rollers to carry out rotary polishing on the surface, the grinding gap is half the diameter of the grinding wheel, the oxide layer on the surface is eliminated until the grinding trace on the surface is slightly free of hand feeling.
7. The production process of the stainless steel whole roll 8K polishing production line according to the claim 5, characterized in that in the ④ step, four groups of fiber sand roller sets (5), 12 groups of fiber wheel rough grinding sets (7) and 18 groups of wool wheel fine grinding sets (8) are adopted, and the grinding heads are arranged in a coarse-to-fine mode according to the mesh number.
8. The production process of the stainless steel whole roll 8K polishing production line according to claim 7, characterized in that the fine grinding polishing solution is controlled in sections, the first 12 groups of wool wheel refiner sets (8) are used as a fine grinding first section, a chemical water tank is arranged, the concentration of nitre is controlled to be 40g/l +/-5, the density is controlled to be not more than 1.2g/l, the metal ions are controlled to be not more than 70g/l, and the last 6 groups of wool wheel refiner sets (8) are used as a fine grinding second section, the concentration of nitric acid is controlled to be 60g/l +/-5, the density is controlled to be not more than 1.1g/l, and the metal ions are not more than 70 g/l.
9. The production process of the stainless steel whole roll 8K polishing production line according to claim 5, wherein the grinding swing during the rough grinding and the fine grinding is an arc swing method, the grinding head grinds the whole steel belt surface in all directions through the arc swing, and the grinding feeding speed is 6-8M/min.
10. The production process of the stainless steel whole roll 8K polishing production line according to claim 5, wherein in the ⑤ step, a high-pressure pump and an overflow circulation are combined during cleaning, three groups of cleaning sections are arranged for cleaning, firstly, the high-pressure pump of the first group of cleaning sections is used for spraying water onto the surface of the steel strip, water pressure impact is formed to flush out polishing liquid remained in pits on the surface of the steel strip, then, brushes of the second group of cleaning sections are used for brushing, finally, desalted water is introduced through an independent water pipe of the third group of cleaning sections to flush the surface of the steel strip, and the desalted water overflows to a front section cleaning circulation water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911043036.7A CN110682110A (en) | 2019-10-30 | 2019-10-30 | Stainless steel whole roll 8K polishing production line and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911043036.7A CN110682110A (en) | 2019-10-30 | 2019-10-30 | Stainless steel whole roll 8K polishing production line and production process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110682110A true CN110682110A (en) | 2020-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201911043036.7A Pending CN110682110A (en) | 2019-10-30 | 2019-10-30 | Stainless steel whole roll 8K polishing production line and production process thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111188068A (en) * | 2020-01-17 | 2020-05-22 | 肇庆宏旺金属实业有限公司 | Black titanium plating method for whole roll of stainless steel |
| CN111791024A (en) * | 2020-06-01 | 2020-10-20 | 肇庆宏旺金属实业有限公司 | Method for processing common sand super-black steel stainless steel plate |
| CN113370057A (en) * | 2021-06-08 | 2021-09-10 | 大力神铝业股份有限公司 | A novel polishing equipment for high-strength aluminum alloy panel surface treatment |
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| CN111188068A (en) * | 2020-01-17 | 2020-05-22 | 肇庆宏旺金属实业有限公司 | Black titanium plating method for whole roll of stainless steel |
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| CN113370057A (en) * | 2021-06-08 | 2021-09-10 | 大力神铝业股份有限公司 | A novel polishing equipment for high-strength aluminum alloy panel surface treatment |
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