A metal strip surface cleaning device and its suction roller
A technology for surface cleaning devices and metal strips, which is applied in the direction of workpiece cleaning devices, metal rolling, metal rolling, etc., and can solve problems such as incomplete cleaning of metal strips
Active Publication Date: 2018-06-22
WISDRI ENG & RES INC LTD
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Problems solved by technology
[0006] The invention provides a metal strip surface cleaning device and its suction roller to at least solve the problem of incomplete cleaning of the metal strip
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[0022] An embodiment of a metal strip surface cleaning device according to the present invention will be described below with reference to the accompanying drawings. Those skilled in the art would recognize that the described embodiments can be modified in various ways or combinations thereof without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims. Also, in this specification, the drawings are not drawn to scale, and like reference numerals denote like parts.
[0023] According to one aspect of the present invention, there is provided a suction roll for a metal strip surface cleaning device, such as figure 1 As shown, the roller body 1 is a hollow tubular structure, which can be made of, for example, a hollow steel pipe. A hollow cavity 11 is formed inside it to support the roller body. A shaft head 13 with a hollow hole can be welded at both ends of th...
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The invention provides a suction roller for a surface cleaning device for metal plate strips. The suction roller comprises a roller body and shaft heads connected to the two ends of the roller body, and a hollow cavity penetrating through the whole suction roller is formed inside the suction roller in the axial direction; the outer circumferential surface of the suction roller is covered with a covering layer with the water absorption ability, a plurality of rows of suction holes communicating with the hollow cavity and the covering layer are formed in the circumferential direction of the suction roller and are distributed more and more densely from the middle of the suction roller to the two ends of the suction roller, and every two adjacent rows of the suction holes are staggered. One end of the suction roller is connected to a vacuum pump. When the metal plate strips pass through a gap between two suction rollers arranged in parallel at the preset interval, residual liquid on the surfaces of the metal plate strips is discharged to the exterior through the covering layers, the suction holes and the hollow cavities under the effect of negative pressure, and therefore the residual liquid in the middle of the plate strips and on the edges of the plate strips can be effectively cleared, and the problem that marks are left on the edges of the plate strips can be solved.
Description
technical field [0001] The invention relates to the field of metal strip cleaning, in particular to a metal strip surface cleaning device and a suction roller thereof. Background technique [0002] In the field of modern cold rolling equipment, it is a very challenging technology to remove liquid residues (residual oil, residual water, residual alkali and residual acid, etc.) on the surface of metal strips in an efficient and practical way. The traditional typical configuration method that is widely used at present is to squeeze dry rollers and follow-up processing equipment, such as hot air dryers, air knives, etc. This traditional configuration method has high investment in hot air dryers, air knives, frequency converters, etc.; consumes a lot of energy media , the high energy consumption of the fan, the frequent replacement of the squeeze roller, etc. cause high use and maintenance costs; iron filings, etc. are easily embedded in the roller body and cause scratches on the...
Claims
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IPC IPC(8): B21B45/02F26B5/16
CPCB21B45/0275F26B5/16
Inventor 严淑彭起梁芳
Owner WISDRI ENG & RES INC LTD