CN2772660Y - Strip surface purger of aluminium strip six roller - Google Patents

Abstract

An aluminum strip six-high rolling mill strip surface purging device is located at the exit of the six-high rolling mill, and its splash guard (1) and exit guide plate (3) are installed on the rolling line at the exit of the rolling mill, on the guide rail below, and the guide rail Fixed on the archway, the protective plate (2) is fixed on the archway at the exit of the rolling mill, under the splash guard (1), the roll surface cleaning mechanism (4) is installed on the splash guard (1), and the upper plate surface The blowing mechanism (5) is installed under the splash guard (1), the roll gap sealing mechanism (6) is installed at the front end of the splash guard (1) and the outlet guide plate (3), and the bottom blowing mechanism (7) is installed On the outlet guide plate (3), the secondary purging mechanism (8) is installed on the protective plate (2). The space at the exit of the rolling mill of the purging device can be conveniently arranged to remove the purging device, so as to achieve a satisfactory effect of removing the strip rolling oil, and fundamentally solve the problem of removing the rolling oil from the surface of the strip.

Description

Aluminum strip six-high mill strip surface purging device

Technical field:

The utility model relates to the technical field of aluminum strip rolling mills, in particular to a strip surface purging device for an aluminum strip six-high rolling mill.

Background technique:

In the existing four-high aluminum strip rolling mill, the plate surface purging mechanism of the rear device adopts roll gap sealing, roll surface purging, plate surface purging on the strip, lower plate surface purging and upper plate surface two. Secondary purging and other means to remove the rolling oil remaining on the upper and lower surface of the coil after rolling. Through these measures, the problem of taking away the rolling oil is basically solved, but there is still some rolling residual oil.

Invention content:

In order to solve the above existing problems, the utility model provides a strip surface purging device for an aluminum strip six-high rolling mill. The effect of rolling oil is more satisfactory, which can fundamentally solve the problem of rolling oil removal from the strip surface.

The utility model adopts following technical solution to solve:

The strip surface purging device of the aluminum strip six-high rolling mill is located at the exit of the six-high rolling mill, and its splash guard is installed on the guide rail above the rolling line at the exit of the rolling mill, and the guide rail is fixed on the archway. The protective plate is fixed on the archway at the exit of the rolling mill and below the splash guard, the outlet guide plate is installed on the guide rail below the rolling line at the exit of the rolling mill, the guide rail is fixed on the archway, and the roll surface cleaning mechanism is installed on the splash guard , the upper surface purging mechanism is installed under the splash guard, the roll gap sealing mechanism is installed at the front end of the splash guard and the outlet guide plate, the lower plate surface purging mechanism is installed on the outlet guide plate, and the secondary purging mechanism is installed on the protective plate superior.

The strip surface purging device of the aluminum strip six-high rolling mill, the center of the roll surface purging mechanism of the purging device is equipped with a large flow nozzle, and the two sides are equipped with small flow nozzles; the secondary blowing device installed on the protective plate A large flow nozzle is installed on the sweeping mechanism, and small flow nozzles are equipped on both sides; at the two ends of the front guide plate on the strip lower plate surface at the roll gap sealing mechanism at the front end of the outlet guide plate, there are two sections of blowing nozzles.

Owing to adopting above-mentioned technical scheme, the utility model obtains following positive effect:

In the previous purging system, the blockage of the roll gap outside the contacting rolls with the strip was not sufficiently purged by a set of nozzles located on the splash guard on the upper surface of the strip. And the utility model has newly designed two sections of blowing nozzles at the front guide plate two ends of the strip lower plate surface, to strengthen its effect. These two new nozzles called "air cutters" can continuously and widely block the roll gap outside the strip.

According to the flow law of the rolling oil after the machine, the oil flow is mainly concentrated in the central part of the work roll and the back-up roll. In order to strengthen the purging of the rolling oil in the central part, a new design of a large flow nozzle is installed in the central part, and an appropriate number of small flow nozzles are arranged in the rest of the position to make them cooperate with each other to clean the residual oil on the plate surface.

In the process of purging the upper plate, the form of large flow nozzle plus small flow nozzle is also adopted to enhance its blowing effect.

After a long period of exploration, I have mastered the flow law of the rolling oil after the machine, found some defects in the design of the purge system in the past, can prescribe the right medicine, and made further improvements to the design, fundamentally solving the problem of rolling oil. Problems with strip surface removal.

Description of drawings:

Fig. 1 is a structural schematic diagram of a strip surface purging device of an aluminum strip six-high rolling mill.

In the figure: 1-splash guard, 2-protective plate, 3-exit guide plate, 4-roll surface purging mechanism, 5-upper plate surface purging mechanism, 6-roll gap sealing mechanism, 7-lower plate surface purging Mechanism, 8-secondary purging mechanism, 9-large flow nozzle, 10-large flow nozzle.

Detailed ways:

As shown in Figure 1, the purging device belongs to the rear device of the six-high rolling mill, and its splash guard (1) is installed above the rolling line at the exit of the rolling mill, and can move up and down along the guide rail fixed on the archway, which is convenient Roll change, its function is to block the rolling oil splashed from the inlet side during the production process, so as to prevent it from splashing on the strip surface at the exit, and another function is to block the rolling oil splashed during purging after the machine. Oil, let it flow away from both sides of the splash guard; the guard plate (2) is fixed on the archway at the exit of the rolling mill, under the splash guard (1), its main function is to protect the head of the thickness gauge, Prevent the thickness gauge from being damaged when the strip is broken or the strip tail leaves the roll; the exit guide plate (3) is located below the rolling line at the exit of the rolling mill, and can move up and down along the guide rail fixed on the archway, which is convenient for changing rolls. Its purpose is to guide the head of the strip rolled out from the roll gap to move forward along the guide plate, so as to prevent the strip from falling and wrapping around the roll; The upper plate surface purging mechanism (5) is installed under the plate (1), the roll gap sealing mechanism (6) is installed at the front end of the splash guard (1) and the outlet guide plate (3), and the lower plate is installed on the outlet guide plate (3) Surface purge mechanism (7), secondary purge mechanism (8) is installed on the protective plate (2).

Two ends of the front guide plate on the strip lower plate surface at the roll gap sealing mechanism (6) at the front end of the outlet guide plate (3) are provided with two sections of blowing nozzles.

In the center of the work roll and the back-up roll, in order to strengthen the purging of the rolling oil in the center, a large flow nozzle (9) is installed in the center of the roll surface blowing mechanism (4), and an appropriate number of Small flow nozzles to make them cooperate with each other.

In order to completely remove the rolling oil on the upper surface of the strip, the secondary blowing mechanism (8) installed on the protective plate (2) also adopts the form of a large flow nozzle (10) and a small flow nozzle to strengthen its blowing Effect.

When the strip is output from the exit of the rolling mill and pushed along the exit guide plate (3), the compressed air enters the roll surface blowing mechanism (4) from the pipeline, and the blowing through the large flow nozzle (9) and the small flow nozzle will accumulate in the The rolling oil between the upper backup roll and the upper work roll is blown away so as not to fall to the surface of the strip, and the compressed air enters the upper plate surface purging mechanism (5) through the pipeline at the same time, which can remove the rolling oil attached to the upper plate surface. Oil production, at the same time, the compressed air enters the lower plate surface blowing mechanism (7) from the pipeline, which can remove the rolling oil attached to the lower plate surface, and the compressed air enters the roll gap sealing mechanism (6) from the pipeline. Two sets of nozzles are designed Align the gap between the upper and lower work rolls to prevent the rolling oil sprayed from the inlet side; the compressed air enters the secondary purging mechanism (8) through the large flow nozzle (9) and the small flow nozzle Purge to remove the rolling oil that was not completely removed in the first purge.

Claims (2)

1. A purging device for the strip surface of an aluminum strip six-roll mill, comprising a splash guard, upper and lower plate surface purging mechanisms, characterized in that: the purging device is located at the outlet of the six-roll mill, and the splash guard ( 1) Installed on the guide rail above the rolling line at the exit of the rolling mill, the guide rail is fixed on the archway, the protective plate (2) is fixed on the archway at the exit of the rolling mill, under the splash guard (1), and the exit guide plate (3 ) is installed on the guide rail below the rolling line at the exit of the rolling mill, the guide rail is fixed on the archway, the roll surface purging mechanism (4) is installed on the splash guard (1), and the upper plate surface purging mechanism (5) is installed on the Below the splash guard (1), the roll gap sealing mechanism (6) is installed on the front end of the splash guard (1) and the outlet guide plate (3), and the lower plate cleaning mechanism (7) is installed on the outlet guide plate (3). The secondary purging mechanism (8) is installed on the protective plate (2). 2. The strip surface purging device of an aluminum strip six-high rolling mill according to claim 1, characterized in that: a large flow nozzle (9) is installed at the center of the roll surface purging mechanism (4) of the purging device, Both sides are equipped with small flow nozzles; the secondary blowing mechanism (8) installed on the protective plate (2) is equipped with large flow nozzles (10), and both sides are equipped with small flow nozzles; the roller at the front end of the outlet guide plate (3) The two ends of the front guide plate on the lower plate surface of the strip at the seam blocking mechanism (6) are provided with two sections of blowing nozzles.