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CN103480535A - Coating machine for coating silicon-steel magnesium oxide coating liquid - Google Patents

Coating machine for coating silicon-steel magnesium oxide coating liquid Download PDF

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Publication number
CN103480535A
CN103480535A CN201310451921.5A CN201310451921A CN103480535A CN 103480535 A CN103480535 A CN 103480535A CN 201310451921 A CN201310451921 A CN 201310451921A CN 103480535 A CN103480535 A CN 103480535A
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China
Prior art keywords
limit
masking liquid
coating roller
base plate
drainage
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Granted
Application number
CN201310451921.5A
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Chinese (zh)
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CN103480535B (en
Inventor
张刚
骆忠汉
梁宗仁
田文洲
法锐
陶利
蒋杰
胡守天
彭冰
王常成
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Wuhan Iron and Steel Co Ltd
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Wuhan Iron and Steel Group Corp
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Priority to CN201310451921.5A priority Critical patent/CN103480535B/en
Publication of CN103480535A publication Critical patent/CN103480535A/en
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Publication of CN103480535B publication Critical patent/CN103480535B/en
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Abstract

The invention discloses a coating machine for coating silicon-steel magnesium oxide coating liquid. The coating machine comprises a frame, an upper coating roll, a lower coating roll, a magnesium oxide coating liquid circulating device and a nozzle pipe, and also comprises a coating liquid drainage apparatus and a baffle, wherein the coating liquid drainage apparatus is arranged on one side of the lower coating roll and installed on the frame; the coating liquid drainage apparatus at least comprises one bottom plate; the side of the bottom plate, which is towards the lower coating roll, adopts a drainage side; the other sides of the bottom plate adopt collecting sides; the width of the bottom plate of the coating liquid drainage apparatus is larger than the width of strip steel arranged between the upper coating roll and the lower coating roll; the drainage side of the liquid drainage apparatus is used for draining magnesium oxide coating liquid overflowing from the upper surface of the strip steel to the lower coating roll; and the baffle is arranged below the nozzle pipe and arranged on the upper surface of the strip steel in an inclined way. The coating machine has the benefits that the magnesium oxide coating liquid overflowing from the surface of the strip steel is directly drained to the lower coating roll through the coating liquid drainage apparatus, the flowability of the coating liquid is good, the leveling of the coating liquid coating the surface of the strip steel is uniform, and the continuous production efficiency and the material yield of oriented silicon steel are improved.

Description

The coating machine applied for the silicon-steel magnesium oxide masking liquid
Technical field
The invention belongs to band steel coating field, be specifically related to a kind of coating machine applied for the silicon-steel magnesium oxide masking liquid.
Background technology
After orientation silicon steel carries out decarburizing annealing in continuous oven, need to evenly apply the magnesia masking liquid at the upper surface with steel and lower surface.Magnesia mainly plays interleaving agent, to prevent being with steel in the adhesion of high annealing stage, simultaneously can remove the impurity such as nitrogen in steel, sulphur, in addition will with the silicon dioxde reaction of surface of silicon steel, form good magnesium silicate insulating bottom layer.Therefore, the magnesia masking liquid plays vital effect at the coating quality on orientation silicon steel surface to the quality of silicon steel product.
At present, the magnesia masking liquid is applied by the double-roller type coating machine.This double-roller type coating machine comprise coating roller, lower coating roller, pallet, magnesia be coated with liquid circulating device, and the magnesia masking liquid that magnesia is coated with in liquid circulating device be injected into the jet pipe with the steel upper surface; This time coating roller is immersed in pallet, and jet pipe enters in pallet after being ejected into the magnesia masking liquid overflow with the steel upper surface, and this time coating roller utilizes the coating of the interior magnesia masking liquid of pallet with the steel lower surface.
Yet, because the magnesia masking liquid recycles in process in coating, the magnesium oxide solution in pallet flows not smooth, magnesia react with water and forms magnesium hydrate precipitate, and magnesium hydroxide is combined the easy magnesium carbonate precipitated of rear generation with airborne carbon dioxide.Magnesium carbonate and magnesium hydroxide mobility are very poor, easily produce the reunion depositional phenomenon.Therefore, in pallet, the masking liquid mobility is not high, As time goes on, masking liquid easily produces the accumulation fouling, causes lower coating roller coating quality poor, along with steel, rolling to the plate face and the two-wire bar that width, quantity do not wait occurs in batches, and the lower coating roller of wearing and tearing, directly cause product quality defect.Also need to shut down replacing coating roller, the obstruction of cleaning circulating line when serious, process pallet fouling etc.These unfavorable factors have increased worker's labour intensity on the one hand greatly, disturbed on the other hand on-the-spot serialization production, directly affected production efficiency, simultaneously because the magnesia masking liquid after solidifying is bonded in pallet and can't uses, not only clean difficulty, but also cause the magnesia waste.In addition, due to the paint roller limit, liquid gets rid of in section, affects coating quality, disturbs coating machine work simultaneously, causes paint roller limit section incrustation, steel edge portion is applied inhomogeneous.
Summary of the invention
The technical problem to be solved in the present invention is, apply magnesia masking liquid above shortcomings for existing double-roller type coating machine, a kind of coating machine applied for the silicon-steel magnesium oxide masking liquid is provided, avoid the magnesia masking liquid to produce and pile up fouling, improve directional silicon steel face magnesia masking liquid coating quality simultaneously.
The technical scheme that the present invention solves its technical problem employing is:
The coating machine applied for the silicon-steel magnesium oxide masking liquid, comprise frame, upper coating roller, lower coating roller, magnesia is coated with liquid circulating device, jet pipe, described upper coating roller, lower coating roller is installed on frame, jet pipe is coated with liquid circulating device with magnesia and is connected, be injected into band steel upper surface for the magnesia masking liquid that magnesia is coated with to liquid circulating device, it is characterized in that: also comprise the masking liquid flow diverter, baffle plate, described masking liquid flow diverter is located at a side of lower coating roller and is arranged on frame, described masking liquid flow diverter at least comprises a base plate, base plate is the drainage limit towards the limit of lower coating roller side, all the other limits of base plate are for collecting limit, the baseplate width of masking liquid flow diverter is greater than coating roller, the width with steel between lower coating roller, the drainage limit of masking liquid flow diverter will be for being drained to lower coating roller with the magnesia masking liquid of steel upper surface overflow, spacing between drainage limit and lower coating roller meets: according to guaranteeing that with steel upper surface overflow to the jet velocity of magnesia masking liquid in the masking liquid flow diverter of masking liquid flow diverter it can be drained on lower coating roller, get final product, described baffle plate is arranged on the below of jet pipe and is inclined at the upper surface with steel, for making, with the masking liquid of steel upper surface, is uniformly distributed, and the width of baffle plate is with suitable with the width of steel.
Press such scheme, this coating machine also comprises L shaped scraping blade, and described L shaped scraping blade is fixed on the frame of coating machine, and L shaped scraping blade is arranged on the both sides of coating roller and lower coating roller, or is arranged on any side of coating roller or lower coating roller; The long end of L shaped scraping blade is along the axial direction setting of upper coating roller or lower coating roller, and the short end of L shaped scraping blade is along the radial direction setting of upper coating roller or lower coating roller; When upper coating roller and the rotation of lower coating roller, L shaped scraping blade is used for removing corresponding upper coating roller or the limit section incrustation of lower coating roller, and prevents that coating roller or lower coating roller limit section masking liquid from splashing.
Press such scheme, the base plate of described masking liquid flow diverter is the quadrangle shape, and the drainage limit is linearity, and its excess-three limit of base plate is collects limit, and each is collected limit and is connected with respectively a side plate corresponding with it, and each side plate is oblong-shaped and vertical with base plate.
Press such scheme, the base plate of described masking liquid flow diverter is the quadrangle shape, the drainage limit is linearity, its excess-three limit of base plate is collects limit, each is collected limit and is connected with respectively a side plate corresponding with it, the dual-side of the side plate that on the base plate of masking liquid flow diverter, the collection limit relative with the drainage limit connects is arc, and the angle that this side plate and base plate form is obtuse angle.
Press such scheme, two collection limits that are connected with the drainage limit on the base plate of described masking liquid flow diverter are arc, and are provided with side plate; The collection limit relative with drainage limit connecting lateral plate not on base plate; The drainage limit of base plate is linearity and tilts towards lower coating roller.
Press such scheme, the base plate of described masking liquid flow diverter is rectangle, collects limit and is respectively equipped with side plate for two that are connected with the drainage limit on base plate; The collection limit relative with drainage limit connecting lateral plate not on base plate; The drainage limit of base plate tilts towards lower coating roller.
Press such scheme, the base plate of described masking liquid flow diverter is the quadrangle shape, base plate also is provided with drainage plate towards a side of lower coating roller, drainage plate is linearity towards the drainage limit in the outside, its excess-three limit of base plate is collects limit, each is collected limit and is connected with respectively a side plate corresponding with it, and each side plate is oblong-shaped and vertical with base plate; The structure of described drainage plate comprises that following two kinds of situation: a, drainage plate are tabular, and the angle of drainage plate and base plate is the 5-20 degree; It is 1/4 circular-arc that the cross section of b, drainage plate is, and the arc surface of the arc surface of drainage plate and lower coating roller presses close to, thereby the magnesia masking liquid directly is drained on lower coating roller.
Press such scheme, collect the both sides that side plate corresponding to limit extend out to drainage plate for two that are connected with the drainage limit on described base plate.
Press such scheme, the base plate of described masking liquid flow diverter is provided with the drainage limit of linearity and the collection limit of an arc shape, and this collection limit is connected with a side plate corresponding with it.
Press such scheme, the base plate of described masking liquid flow diverter is provided with the drainage limit of arc shape and the collection limit of an arc shape, between the side plate connected with collecting limit and base plate, for arc transition, is connected.
Operation principle of the present invention: the working face of upper coating roller contacts with the upper surface with steel, the working face of lower coating roller contacts with the lower surface with steel, from jet pipe be injected into magnesia masking liquid with the steel upper surface have part from the both sides overflow with steel to the masking liquid flow diverter, its potential energy is converted into its kinetic energy, therefore the magnesia masking liquid has sufficient mobility in the masking liquid flow diverter, lower coating roller utilizes the coating of the magnesia masking liquid of masking liquid flow diverter drainage with the steel lower surface, remaining magnesia masking liquid all enters magnesia and is coated with liquid circulating device and is recycled to jet pipe and recycles, thereby thoroughly solve magnesium oxide on strip steel surface masking liquid coating quality defect and pile up the problem such as fouling due to masking liquid that in pallet, magnesia masking liquid poor fluidity causes.The comprehensive magnesia masking liquid of spacing jet velocity between the drainage limit of masking liquid flow diverter and lower coating roller, the factors such as strip speed are adjusted spacing, and in the course of work, this spacing is adjusted to magnesia masking liquid in the masking liquid flow diverter and can be drained on lower coating roller and get final product.
Beneficial effect of the present invention is:
1, utilize the masking liquid flow diverter that the magnesia masking liquid of belt steel surface overflow directly is drained to lower coating roller, thereby omitted those skilled in the art and thought the pallet of not replacing, therefore because the masking liquid that uses pallet to cause is piled up fouling, the wearing and tearing of lower coating roller and end product quality and occurred that the phenomenon of defect thoroughly disappears always;
2, due to the masking liquid good fluidity, it is even that masking liquid applies levelling at belt steel surface, and the band steel is produced stable continuously, thereby can stablize the serialization production efficiency that improves orientation silicon steel, reduces worker's manipulation strength;
3, eliminated paint roller limit section and got rid of liquid phenomenon and paint roller limit section incrustation due to the use of L shaped scraping blade, steel edge portion magnesia masking liquid is applied evenly, therefore avoided the magnesia masking liquid to pile up fouling, the wearing and tearing of lower coating roller and coating quality defect, greatly reduce the raw materials consumption amounts such as magnesia and coating roller, improve the lumber recovery of orientation silicon steel, brought considerable economic benefit.
The accompanying drawing explanation
The stereogram of the coating machine applied for the silicon-steel magnesium oxide masking liquid that Fig. 1 provides for the embodiment of the present invention 1;
The side view that Fig. 2 is Fig. 1;
The stereogram that Fig. 3 is the masking liquid flow diverter in Fig. 1;
The upper coating roller of the coating machine applied for the silicon-steel magnesium oxide masking liquid that Fig. 4 provides for the embodiment of the present invention 2, lower coating roller, masking liquid flow diverter, baffle plate, and the stereogram of jet pipe;
The stereogram that Fig. 5 is the masking liquid flow diverter in Fig. 4;
The upper coating roller of the coating machine applied for the silicon-steel magnesium oxide masking liquid that Fig. 6 provides for the embodiment of the present invention 3, lower coating roller, masking liquid flow diverter, baffle plate, and the stereogram of jet pipe;
The stereogram that Fig. 7 is the masking liquid flow diverter in Fig. 6;
The upper coating roller of the coating machine applied for the silicon-steel magnesium oxide masking liquid that Fig. 8 provides for the embodiment of the present invention 4, lower coating roller, masking liquid flow diverter, baffle plate, and the stereogram of jet pipe;
The stereogram that Fig. 9 is the masking liquid flow diverter in Fig. 8;
The upper coating roller of the coating machine applied for the silicon-steel magnesium oxide masking liquid that Figure 10 provides for the embodiment of the present invention 5, lower coating roller, masking liquid flow diverter, baffle plate, and the stereogram of jet pipe;
The stereogram that Figure 11 is the masking liquid flow diverter in Figure 10;
The upper coating roller of the coating machine applied for the silicon-steel magnesium oxide masking liquid that Figure 12 provides for the embodiment of the present invention 6, lower coating roller, masking liquid flow diverter, baffle plate, and the stereogram of jet pipe;
The stereogram that Figure 13 is the masking liquid flow diverter in Figure 12;
The upper coating roller of the coating machine applied for the silicon-steel magnesium oxide masking liquid that Figure 14 provides for the embodiment of the present invention 7, lower coating roller, masking liquid flow diverter, baffle plate, and the stereogram of jet pipe;
The stereogram that Figure 15 is the masking liquid flow diverter in Figure 14;
The upper coating roller of the coating machine applied for the silicon-steel magnesium oxide masking liquid that Figure 16 provides for the embodiment of the present invention 8, lower coating roller, masking liquid flow diverter, baffle plate, and the stereogram of jet pipe;
The stereogram that Figure 17 is the masking liquid flow diverter in Figure 16;
The upper coating roller of the coating machine applied for the silicon-steel magnesium oxide masking liquid that Figure 18 provides for the embodiment of the present invention 9, lower coating roller, masking liquid flow diverter, baffle plate, and the stereogram of jet pipe;
The stereogram that Figure 19 is the masking liquid flow diverter in Figure 18;
In figure, the upper coating roller of 1-, coating roller under 2-, 3-magnesia is coated with liquid circulating device, and 4-is with steel, the 5-jet pipe, 6-masking liquid flow diverter, the 7-baffle plate, 8-L shape scraping blade, the 9-base plate, 10-drainage limit, 11-collects limit, 12-side plate, 13-drainage plate.
The specific embodiment
Below in conjunction with drawings and Examples, technical scheme of the present invention is further described in detail.
embodiment 1
Shown in Fig. 1 ~ Fig. 3, the described coating machine applied for the silicon-steel magnesium oxide masking liquid of the present embodiment, comprise frame, upper coating roller 1, lower coating roller 2, magnesia is coated with liquid circulating device 3, jet pipe 5, described upper coating roller 1, lower coating roller 2 is installed on frame, jet pipe 5 is coated with liquid circulating device 3 with magnesia and is connected, be injected into band steel 4 upper surfaces for the magnesia masking liquid that magnesia is coated with to liquid circulating device 3, also comprise masking liquid flow diverter 6, baffle plate 7, described masking liquid flow diverter 6 is located at a side of lower coating roller 2 and is arranged on frame, described masking liquid flow diverter 6 at least comprises a base plate 9, base plate 9 is drainage limit 10 towards the limit of lower coating roller 2 sides, all the other limits of base plate 9 are for collecting limit 11, base plate 9 width of masking liquid flow diverter 6 are greater than coating roller 1, the width with steel 4 between lower coating roller 2, the drainage limit 10 of masking liquid flow diverter 6 will be for being drained to lower coating roller 2 with the magnesia masking liquid of steel 4 upper surface overflows, spacing between drainage limit 10 and lower coating roller 2 meets: according to guaranteeing that with steel 4 upper surface overflows to the jet velocity of magnesia masking liquid in masking liquid flow diverter 6 of masking liquid flow diverter 6 it can be drained on lower coating roller 2, get final product, described baffle plate 7 is arranged on the below of jet pipe 5 and is inclined at the upper surface with steel 4, for making, with the masking liquid of steel 4 upper surfaces, is uniformly distributed, and the width of baffle plate 7 is with suitable with the width of steel 4.
This coating machine also comprises L shaped scraping blade 8, and described L shaped scraping blade 8 is fixed on the frame of coating machine, and L shaped scraping blade 8 is arranged on the both sides of coating roller 1 and lower coating roller 2, or is arranged on any side of coating roller 1 or lower coating roller 2; The long end of L shaped scraping blade 8 is along the axial direction setting of upper coating roller 1 or lower coating roller 2, and the short end of L shaped scraping blade 8 is along the radial direction setting of upper coating roller 1 or lower coating roller 2; During 2 rotation of upper coating roller 1 and lower coating roller, L shaped scraping blade 8 is for removing corresponding upper coating roller 1 or the limit section incrustation of lower coating roller 2, and prevents that coating roller 1 or lower coating roller 2 limit section masking liquids from splashing.
During work, the working face of upper coating roller 1 contacts with the upper surface with steel 4, the working face of lower coating roller 2 contacts with the lower surface with steel 4, from jet pipe 5 be injected into magnesia masking liquid with steel 4 upper surfaces have part from the both sides overflow with steel 4 to masking liquid flow diverter 6, its potential energy is converted into its kinetic energy, therefore the magnesia masking liquid has sufficient mobility in masking liquid flow diverter 6, lower coating roller 2 utilizes the coating of the magnesia masking liquid of masking liquid flow diverter 6 drainages with steel 4 lower surfaces, remaining magnesia masking liquid all enters magnesia and is coated with liquid circulating device 3 and is recycled to jet pipe 5 and recycles, thereby thoroughly solve with steel 4 surface oxidation magnesium masking liquid coating quality defects and because the masking liquid that in pallet, magnesia masking liquid poor fluidity causes is piled up the problems such as fouling.The comprehensive magnesia masking liquid of spacing jet velocity between the drainage limit 10 of masking liquid flow diverter 6 and lower coating roller 2, the factors such as band steel 4 speeds of service are adjusted spacing, and in the course of work, this spacing is adjusted to magnesia masking liquids in masking liquid flow diverter 6 and can be drained on lower coating roller 2 and get final product.
In the present embodiment, the base plate 9 of described masking liquid flow diverter 6 is the quadrangle shape, and drainage limit 10 is linearity, and its excess-three limit of base plate 9 is collects limit 11, each is collected limit 11 and is connected with respectively a side plate 12 corresponding with it, and each side plate 12 is oblong-shaped and vertical with base plate 9.Base plate 9 is more than or equal to zero degree with the angle of horizontal plane, preferred 0-30 degree, and in the present embodiment, base plate 9 equals 0 degree with the angle of horizontal plane; Masking liquid with steel 4 upper surface overflows is drained to lower coating roller 2 by drainage limit 10.
embodiment 2
As shown in Figure 4 and Figure 5, the present embodiment and embodiment 1 are roughly the same, and difference is that the dual-side of the side plate 12 that collection limit relative with drainage limit 10 on the base plate 9 of masking liquid flow diverter 6 11 connects is arc, and this side plate 12 is obtuse angle with the angle that base plate 9 forms.
embodiment 3
As shown in Figure 6 and Figure 7, the present embodiment and embodiment 1 are roughly the same, and difference is that two collection limits 11 that are connected with drainage limit 10 on the base plate 9 of masking liquid flow diverter 6 are arc, and is provided with side plate 12; The collection limit 11 relative with drainage limit 10 connecting lateral plate not on base plate 9; The drainage limit 10 of base plate 9 is linearity and tilts towards lower coating roller 2.
embodiment 4
As shown in Figure 8 and Figure 9, the present embodiment and embodiment 3 are roughly the same, and difference is that base plate 9 is for rectangle, and the drainage limit 10 of base plate 9 is towards lower coating roller 2 inclinations (base plate 9 is greater than zero degree with the angle of horizontal plane).
embodiment 5
As shown in Figure 10 and Figure 11, the present embodiment and embodiment 1 are roughly the same, difference is that the base plate 9 of the masking liquid flow diverter 6 of the present embodiment also is provided with drainage plate 13 towards a side of lower coating roller 2, drainage plate 13 is linearity towards the drainage limit 10 in the outside, base plate 9 its excess-three limits are collects limit 11, each is collected limit 11 and is connected with respectively a side plate 12 corresponding with it, with the masking liquid of steel upper surface, by drainage limit 10, is drained to lower coating roller 2; Described drainage plate 13 is tabular, and drainage plate 13 is preferably the 5-20 degree with the angle of base plate 9.
embodiment 6
As shown in Figure 12 and Figure 13, the present embodiment and embodiment 5 are roughly the same, and difference is that described drainage plate 13 is tabular, and drainage plate 13 is preferably the 5-20 degree with the angle of base plate 9; It is 1/4 circular-arc that the cross section of b, drainage plate 13 is, and the arc surface of the arc surface of drainage plate 13 and lower coating roller 2 presses close to, thereby the magnesia masking liquid directly is drained on lower coating roller 2.
embodiment 7
As shown in Figure 14 and Figure 15, the present embodiment and embodiment 5 are roughly the same, difference is that two side plates 12 corresponding to collection limit 11 that are connected with the drainage limit on base plate 9 extend out to the both sides of drainage plate 13 (be that drainage plate 13 all is connected with side plate with the collection limit of base plate 9, the side plate of the side plate of drainage plate 13 and base plate 9 is one-body molded).
embodiment 8
As shown in Figure 16 and Figure 17, the present embodiment and embodiment 1 are roughly the same, difference is that the base plate 7 of the masking liquid flow diverter 6 of the present embodiment is provided with the drainage limit 10 of linearity and the collection limit 11 of an arc shape, and this collection limit 11 is connected with a side plate 12 corresponding with it.
embodiment 9
As shown in Figure 18 and Figure 19, the present embodiment and embodiment 8 are roughly the same, difference is that the base plate 9 of the masking liquid flow diverter 6 of the present embodiment is provided with the drainage limit 10 of arc shape and the collection limit 11 of an arc shape, between the side plate 12 connected with collecting limit 11 and base plate 9, for arc transition, is connected (base plate 9 and side plate 12 are one-body molded).
The present invention only describes with the double-roller type coating machine, is understandable that, it is not limited to double-roller type, can also be four-roller type etc.
It should be noted that, those of ordinary skill in the art should be appreciated that and can modify or be equal to replacement technical scheme of the present invention, and do not break away from aim and the scope of technical solution of the present invention, and it all should be encompassed in the middle of claim scope of the present invention.

Claims (10)

1. the coating machine applied for the silicon-steel magnesium oxide masking liquid, comprise frame, upper coating roller, lower coating roller, magnesia is coated with liquid circulating device, jet pipe, described upper coating roller, lower coating roller is installed on frame, jet pipe is coated with liquid circulating device with magnesia and is connected, be injected into band steel upper surface for the magnesia masking liquid that magnesia is coated with to liquid circulating device, it is characterized in that: also comprise the masking liquid flow diverter, baffle plate, described masking liquid flow diverter is located at a side of lower coating roller and is arranged on frame, described masking liquid flow diverter at least comprises a base plate, base plate is the drainage limit towards the limit of lower coating roller side, all the other limits of base plate are for collecting limit, the baseplate width of masking liquid flow diverter is greater than coating roller, the width with steel between lower coating roller, the drainage limit of masking liquid flow diverter will be for being drained to lower coating roller with the magnesia masking liquid of steel upper surface overflow, spacing between drainage limit and lower coating roller meets: according to guaranteeing that with steel upper surface overflow to the jet velocity of magnesia masking liquid in the masking liquid flow diverter of masking liquid flow diverter it can be drained on lower coating roller, get final product, described baffle plate is arranged on the below of jet pipe and is inclined at the upper surface with steel, for making, with the masking liquid of steel upper surface, is uniformly distributed, and the width of baffle plate is with suitable with the width of steel.
2. the coating machine applied for the silicon-steel magnesium oxide masking liquid as claimed in claim 1, it is characterized in that: this coating machine also comprises L shaped scraping blade, described L shaped scraping blade is fixed on the frame of coating machine, and L shaped scraping blade is arranged on the both sides of coating roller and lower coating roller, or be arranged on any side of coating roller or lower coating roller; The long end of L shaped scraping blade is along the axial direction setting of upper coating roller or lower coating roller, and the short end of L shaped scraping blade is along the radial direction setting of upper coating roller or lower coating roller; When upper coating roller and the rotation of lower coating roller, L shaped scraping blade is used for removing corresponding upper coating roller or the limit section incrustation of lower coating roller, and prevents that coating roller or lower coating roller limit section masking liquid from splashing.
3. the coating machine applied for the silicon-steel magnesium oxide masking liquid as claimed in claim 1, it is characterized in that: the base plate of described masking liquid flow diverter is the quadrangle shape, the drainage limit is linearity, its excess-three limit of base plate is collects limit, each is collected limit and is connected with respectively a side plate corresponding with it, and each side plate is oblong-shaped and vertical with base plate.
4. the coating machine applied for the silicon-steel magnesium oxide masking liquid as claimed in claim 1, it is characterized in that: the base plate of described masking liquid flow diverter is the quadrangle shape, the drainage limit is linearity, its excess-three limit of base plate is collects limit, each is collected limit and is connected with respectively a side plate corresponding with it, the dual-side of the side plate that on the base plate of masking liquid flow diverter, the collection limit relative with the drainage limit connects is arc, and the angle that this side plate and base plate form is obtuse angle.
5. the coating machine applied for the silicon-steel magnesium oxide masking liquid as claimed in claim 1 is characterized in that: be connected with the drainage limit on the base plate of described masking liquid flow diverter two collecting limits is arc, and is provided with side plate; The collection limit relative with drainage limit connecting lateral plate not on base plate; The drainage limit of base plate is linearity and tilts towards lower coating roller.
6. the coating machine applied for the silicon-steel magnesium oxide masking liquid as claimed in claim 1, it is characterized in that: the base plate of described masking liquid flow diverter is rectangle, collects limits and is respectively equipped with side plate for two that are connected with the drainage limit on base plate; The collection limit relative with drainage limit connecting lateral plate not on base plate; The drainage limit of base plate tilts towards lower coating roller.
7. the coating machine applied for the silicon-steel magnesium oxide masking liquid as claimed in claim 1, it is characterized in that: the base plate of described masking liquid flow diverter is the quadrangle shape, base plate also is provided with drainage plate towards a side of lower coating roller, drainage plate is linearity towards the drainage limit in the outside, its excess-three limit of base plate is collects limit, each is collected limit and is connected with respectively a side plate corresponding with it, and each side plate is oblong-shaped and vertical with base plate; The structure of described drainage plate comprises that following two kinds of situation: a, drainage plate are tabular, and the angle of drainage plate and base plate is the 5-20 degree; It is 1/4 circular-arc that the cross section of b, drainage plate is, and the arc surface of the arc surface of drainage plate and lower coating roller presses close to, thereby the magnesia masking liquid directly is drained on lower coating roller.
8. the coating machine applied for the silicon-steel magnesium oxide masking liquid as claimed in claim 7, is characterized in that: collect the both sides that side plate corresponding to limit extend out to drainage plate for two that are connected with the drainage limit on described base plate.
9. the coating machine applied for the silicon-steel magnesium oxide masking liquid as claimed in claim 1, it is characterized in that: the base plate of described masking liquid flow diverter is provided with the drainage limit of linearity and the collection limit of an arc shape, and this collection limit is connected with a side plate corresponding with it.
10. the coating machine applied for the silicon-steel magnesium oxide masking liquid as claimed in claim 1, it is characterized in that: the base plate of described masking liquid flow diverter is provided with the drainage limit of arc shape and the collection limit of an arc shape, between the side plate connected with collecting limit and base plate, for arc transition, is connected.
CN201310451921.5A 2013-09-29 2013-09-29 For the coating machine of silicon-steel magnesium oxide masking liquid coating Expired - Fee Related CN103480535B (en)

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Cited By (4)

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CN105887065A (en) * 2016-06-14 2016-08-24 武汉钢铁股份有限公司 Grading-type overflow spray device for phosphating
CN110665691A (en) * 2019-11-06 2020-01-10 中冶南方(新余)冷轧新材料技术有限公司 Adjusting device for coating machine
CN112170090A (en) * 2020-09-18 2021-01-05 武汉钢铁有限公司 Method and device for pre-coating environment-friendly coating on cold-rolled silicon steel strip
CN112387519A (en) * 2020-09-25 2021-02-23 武汉钢铁有限公司 Coating roller, coating machine and method for reducing double lines on surface of oriented silicon steel

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