Strip surface cleaning system of cold rolling mill
By introducing flushing and blowing devices into the cold rolling mill strip surface cleaning system, the problem of cleaning foreign objects on the coil surface has been solved, achieving efficient surface cleaning and quality assurance.
Patent Information
- Application Number
- CN202422909217.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2034-11-27
AI Technical Summary
During the rolling process, cold-rolled aluminum sheet and strip may contain foreign matter such as aluminum shavings and ash on the surface of the coil, resulting in poor surface cleanliness and affecting product quality.
A surface cleaning system for cold rolling mill strip was designed, including a rinsing device and a blowing device. The system uses a supply pump, a pressure regulating proportional valve and nozzles for rinsing, and combines upper and lower, air walls and side blowing structures to achieve surface cleaning through compressed air and rolling oil.
It effectively removes foreign matter from the surface of the roll material, improves surface cleanliness, reduces labor intensity, increases production efficiency, and ensures product quality.
Smart Images
Figure CN223801212U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cold rolling mill technical field especially relates to a cold rolling mill strip surface cleaning system. BACKGROUND
[0002] The cold rolling aluminum plate strip is the main product in the market, mainly including tank material, tank cover material, PS plate base and the like, with the increasingly fierce market competition, the product quality requirement is higher and higher, in order to ensure the product quality stability in the production process, in addition to the process guarantee, the material head, end face and other parts of the coiled material need to be wiped and cleaned to avoid bringing foreign matter into the rolling mill.
[0003] The aluminum scraps, ash and the like on the surface of the coiled material in the rolling process cannot be cleaned, which affects the surface cleanliness of the coiled material after rolling and easily causes surface quality defects, and there are oil, surface aluminum scraps, aluminum ash and other dirt and foreign matter on the upper and lower surfaces after export production, which affects the product use and surface cleaning quality defects in the subsequent production. UTILITY MODEL CONTENTS
[0004] To solve the problem of oil, surface aluminum scraps, aluminum ash and other dirt and foreign matter on the upper and lower surfaces after export production, the utility model provides a cold rolling mill strip surface cleaning system, and the technical scheme is as follows:
[0005] A cold rolling mill strip surface cleaning system, comprising: a cold rolling mill, a coiled material, a flushing device and a blowing device.
[0006] The flushing device comprises a supply pump, a first pressure regulating proportional valve and a nozzle, and the flushing device is located at the left side of the tensioning roller on the inlet side of the cold rolling mill.
[0007] The blowing device comprises an up-down blowing structure, a wind wall blowing structure and a two-side blowing structure, the up-down blowing structure comprises a fourth pressure regulating proportional valve and a first outlet, the wind wall blowing structure comprises a second pressure regulating proportional valve and a second outlet, and the two-side blowing structure comprises a third pressure regulating proportional valve and a third outlet, and the blowing device is located at the right side of the intermediate roller and the working roller of the cold rolling mill.
[0008] Preferably, the supply pump, the first pressure regulating proportional valve and the nozzle are assembled through a steel pipe, and the medium in the steel pipe pipeline is rolling oil for cold rolling.
[0009] Preferably, the number of the nozzles is two groups and symmetrically distributed on the top and bottom of the outer surface of the coiled material, and the number of the nozzles in each group is several and equidistantly distributed at an interval of 100 mm.
[0010] Preferably, the up-down blowing structure, the wind wall blowing structure and the two-side blowing structure are communicated through a main pipeline, and one end of the main pipeline is connected to compressed air through an air compressor.
[0011] Preferably, the first outlet is in communication with the fourth pressure regulating proportional valve and the main pipeline through a first sub-pipeline, and the first outlet is located on the upper intermediate roll crossbeam inside the cold rolling mill.
[0012] Preferably, the number of the second outlets is two groups and is symmetrically distributed on the top and bottom of the strip, and both groups of the second outlets are in communication with the second pressure regulating proportional valve and the main pipeline through a second sub-pipeline.
[0013] Preferably, the third outlet is in communication with the third pressure regulating proportional valve and the main pipeline through a third sub-pipeline, and the third outlet is located on the bottom of the strip.
[0014] Preferably, both groups of the second outlets are obliquely arranged, and both groups of the second outlets correspond to the positions of the upper work roll and the lower work roll inside the cold rolling mill.
[0015] Preferably, the flushing device is opened when the rolling speed is 30 m / min, and is closed when the start-up and stop are lower than 30 m / min, and the oil pressure is controlled at 3-5 bar.
[0016] Beneficial effects:
[0017] The beneficial effects produced by the technical scheme of the present application are as follows:
[0018] 1. The cold rolling mill strip surface cleaning system can effectively clean the aluminum scraps, welding points and other foreign matters on the surface of the strip, can wet the surface of the strip in advance, ensures the lubricity after passing through the tensioning roll device, the blowing device can effectively blow away the rolling oil used for lubrication, cooling and cleaning on the upper and lower surfaces of the strip in the rolling process, carries away the residual oil, aluminum scraps and aluminum powder on the upper and lower surfaces of the strip, and ensures the overall cleanliness of the upper and lower surfaces of the strip after rolling.
[0019] 2. The cold rolling mill strip surface cleaning system successfully solves the problem of cleaning the upper and lower surfaces of the strip of the cold rolling mill, improves the cleanliness of the upper and lower surfaces of the strip, reduces the labor intensity of personnel, improves the production efficiency, and ensures the product quality. BRIEF DESCRIPTION OF DRAWINGS
[0020] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and should not be regarded as a limitation to the scope. Other related drawings can also be obtained by those skilled in the art without creative labor.
[0021] Figure 1 is a system structure schematic diagram of a cold rolling mill strip surface cleaning system of the present application.
[0022] In the figure, 1, cold rolling mill; 2, coiled material; 3, supply pump; 4, first pressure regulating proportional valve; 5, nozzle; 6, fourth pressure regulating proportional valve; 7, first outlet; 8, second pressure regulating proportional valve; 9, second outlet; 10, third pressure regulating proportional valve; 11, third outlet. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, rather than all the embodiments of the present application. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.
[0024] As shown in the figure, a cold rolling mill strip surface cleaning system comprises a cold rolling mill 1, a coiled material 2, a flushing device and a blowing device. Figure 1
[0025] The flushing device comprises a supply pump 3, a first pressure regulating proportional valve 4 and a nozzle 5. The flushing device is located at the left side of the tensioning roller at the inlet side of the cold rolling mill 1. The supply pump 3, the first pressure regulating proportional valve 4 and the nozzle 5 are assembled through a steel pipe. The medium in the steel pipe pipeline is cold rolling rolling oil. The number of the nozzles 5 is two groups and symmetrically distributed at the top and bottom of the outer surface of the coiled material 2. The number of each group of nozzles 5 is several and equally distributed at an interval of 100 mm. The flushing device is opened when the rolling speed is 30 m / min and closed when the starting and stopping speed is lower than 30 m / min. The oil pressure is controlled at 3-5 bar.
[0026] In the present embodiment, the flushing device can effectively clean the aluminum scraps, welding points and other foreign matters on the surface of the coiled material 2 and can wet the surface of the coiled material 2 in advance to ensure the lubricity when passing through the tensioning roller device.
[0027] As shown in the figure, the blowing device comprises an up-down blowing structure, a wind wall blowing structure and a two-side blowing structure. Figure 1
[0028] In the embodiment, the up-down blowing structure blows away the rolling oil on the surface of the rolled material 2 for lubrication, cooling and cleaning, and removes the residual oil, aluminum scraps and aluminum powder on the upper and lower surfaces of the rolled material 2, and is used for the overall cleaning of the upper and lower surfaces of the rolled material 2 after rolling.
[0029] As shown in Figure 1 , the wind-wall blowing structure comprises a second pressure-regulating proportional valve 8 and second outlets 9, the number of the second outlets 9 is two groups and the two groups of the second outlets 9 are symmetrically distributed on the top and bottom of the rolled material 2, the two groups of the second outlets 9 are both communicated with the second pressure-regulating proportional valve 8 and the main pipeline through a second auxiliary pipeline, the two groups of the second outlets 9 are both arranged in an inclined manner, and the two groups of the second outlets 9 correspond to the positions of the upper work roll and the lower work roll in the cold rolling mill 1.
[0030] In the embodiment, the wind-wall blowing structure forms a wind wall during rolling, blows away the oil between the roll sets, and avoids the pollution to the upper and lower surfaces of the rolled material 2 after rolling.
[0031] As shown in Figure 1 , the two-side blowing structure comprises a third pressure-regulating proportional valve 10 and third outlets 11, the third outlets 11 are communicated with the third pressure-regulating proportional valve 10 and the main pipeline through a third auxiliary pipeline, and the third outlets 11 are located on the bottom of the rolled material 2, the up-down blowing structure, the wind-wall blowing structure and the two-side blowing structure are all communicated through the main pipeline, and one end of the main pipeline is connected with the air compressor to input compressed air.
[0032] In the embodiment, the two-side blowing structure removes the residual oil caused by the incomplete blowing of the roll gap.
[0033] The utility model successfully solves the problem of the cleaning difficulty of the upper and lower surfaces of the rolled material 2 of the cold rolling mill, improves the cleanliness of the upper and lower surfaces of the rolled material 2, reduces the labor intensity of the personnel, improves the production efficiency, and guarantees the product quality.
[0034] The above only describes the preferred embodiments of the utility model, and is not used for limiting the utility model, and the utility model can have various changes and changes for the person skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A cold mill strip surface cleaning system characterized by, The utility model relates to a cold rolling mill flushing and blowing device, including: cold rolling mill (1), coiled material (2), flushing device and blowing device; the flushing device includes supply pump (3), first pressure regulating proportional valve (4) and nozzle (5), and the flushing device is located at the left side of the tensioning roller of the entrance side of cold rolling mill (1); the blowing device includes upper and lower blowing structure, wind wall blowing structure and both sides blowing structure, the upper and lower blowing structure includes fourth pressure regulating proportional valve (6) and first outlet (7), the wind wall blowing structure includes second pressure regulating proportional valve (8) and second outlet (9), and the both sides blowing structure includes third pressure regulating proportional valve (10) and third outlet (11), and the blowing device is located at the right side of the intermediate roller and work roller of cold rolling mill (1).
2. A strip surface cleaning system for a cold rolling mill as claimed in claim 1, characterised in that, the supply pump (3), first pressure regulating proportional valve (4) and nozzle (5) are assembled through steel pipe, and the medium in the steel pipe line is the rolling oil of cold rolling.
3. A strip surface cleaning system for a cold rolling mill as claimed in claim 1, wherein, the number of nozzle (5) is two groups and is symmetrically distributed on the top and bottom of the outer surface of coiled material (2), and the number of each group of nozzle (5) is several and is equidistantly distributed at intervals of 100mm.
4. A cold mill strip surface cleaning system as claimed in claim 1 wherein, the upper and lower blowing structure, wind wall blowing structure and both sides blowing structure are communicated through main pipeline, one end of the main pipeline is connected into compressed air through air compressor.
5. A cold mill strip surface cleaning system according to claim 4, characterised in that, the first outlet (7) is communicated with fourth pressure regulating proportional valve (6) and main pipeline through first auxiliary pipeline, and the first outlet (7) is located on the upper intermediate roller crossbeam in cold rolling mill (1).
6. A cold mill strip surface cleaning system according to claim 4 wherein, the number of second outlet (9) is two groups and is symmetrically distributed on the top and bottom of coiled material (2), and two groups of second outlet (9) are communicated with second pressure regulating proportional valve (8) and main pipeline through second auxiliary pipeline.
7. A cold mill strip surface cleaning system according to claim 4 wherein, the third outlet (11) is communicated with third pressure regulating proportional valve (10) and main pipeline through third auxiliary pipeline, and the third outlet (11) is located at the bottom of coiled material (2).
8. A cold mill strip surface cleaning system according to claim 6 wherein, two groups of second outlet (9) are all arranged obliquely, and two groups of second outlet (9) correspond to the positions of the upper work roller and the lower work roller in cold rolling mill (1).
9. A cold mill strip surface cleaning system as claimed in claim 1 wherein, the flushing device is opened when the rolling speed is 30m / min, and is closed when the starting and stopping speed is lower than 30m / min, and the oil pressure is controlled at 3-5bar.