KR20020042325A - Automatic controlling device for spraying wet oil of strip surface - Google Patents

Abstract

PURPOSE: An apparatus for automatically controlling spraying of wet oil on the surface of a strip is provided to prevent waste of wet oil and smoothly proceed the strip by automatically controlling a spraying angle of wet oil depending on a width of the strip supplied in the process of spraying and blowing wet oil on the surface of the strip. CONSTITUTION: The apparatus for automatically controlling spraying of wet oil on the surface of a strip comprises a nozzle pipe(52) onto which a plurality of nozzles(54-1) are adhered so that the nozzle pipe(52) is longer than a maximum width of a strip being produced, and which is connected to a wet oil supply pipe(50); a body pipe(30) in which the nozzle pipe(52) is installed, and on a part of the circumference of which a slit shaped body pipe hole part(30-6) is formed; blocking films(26) which are moved along a length direction of the nozzle pipe(52) as covering the surroundings of the nozzle pipe(52), and which are built-in at both end sides of the body pipe(30) so as to open or close a part of the body pipe hole part(30-6); a signal generator part(20) controlling driving of the blocking films(26); and a support(10) which is vertically installed adjacently to the side of the body pipe(30) so as to support and fix the signal generator part(20).

Description

AUTOMATIC CONTROLLING DEVICE FOR SPRAYING WET OIL OF STRIP SURFACE}

In the present invention, when the final product is produced at the exit part of the continuous annealing process in steelmaking facilities, the wet oil spraying of the wet surface (WET OIL), which is a kind of rolling oil sprayed on the surface of the steel sheet, is adjusted according to the width of the steel sheet. It relates to a control device.

In general, in the annealing process, which is a continuous line of steel making facilities, in order to produce a desired product, a plurality of steel plates are welded in the form of a coil in a pretreatment facility to heat, crack, Through the heat treatment process such as slow cooling and quenching, the product is easily processed.

Prior to the division and packing of the product that meets the demand of the demand, the WET OIL is sprayed on the surface of the iron plate at the exit side to facilitate the beautiful surface formation and paintability. In this annealing process, a variety of iron plate widths, lengths, materials, and the like must be continuously connected according to the delivery date, specifications, and materials of the desired product.

That is, in the entrance part which is a pretreatment process, it is necessary to connect the iron plate and the iron plate to be welded automatically precisely according to the steel grade, material, and thickness of the variously supplied steel plates within the minimum short time. Skin path mill work for shape control and work delay at the exit part to facilitate the formation and painting of beautiful iron surface and equipment troubles are the most fatal defects in annealing furnace that performs heat treatment process using continuously supplied steel plate. Will cause.

In addition, when the work delay and equipment trouble occurs on the entry and exit side, a lot of defects are generated as the steel plate in progress stops at the high temperature part inside the annealing furnace, which is difficult to produce as the desired product.

As shown in FIG. 1, when the milk fluid injected from the nozzle body 54 through the nozzle tube 52 is changed from a wide width to a narrow width of the iron plate surface as the iron plate width 40 continuously connected is changed. Large amount of milk is wasted and it causes staining (40-1, 40-2) as it flows down from the edge of iron plate, so the problem of unit increase due to excessive use of milk and the spray width when using milk is within the range of steel plate surface width. Wide or narrow, the milk is not completely removed during rolling, which leads to poor cutting of the iron plate and causes the problem of rust in the production process. It is difficult to proceed smoothly, and it is very closely related to the quality of the product. It has been a problem in the continuous annealing process due to work delay at the side and equipment trouble.

The present invention was created in view of the above-described conventional problems, and sprayed the milk as part of the rolling oil on the surface of the iron plate in the exit portion of the continuous annealing process. Providing automatic control of wet spraying on the surface of iron plate to prevent waste of milk and promote smooth iron plate progress by automatically adjusting the spraying angle of milk according to the width of iron plate supplied in the process of blowing. There is this.

The above object of the present invention is a nozzle tube attached to a plurality of nozzles longer than the maximum width of the strip being produced and connected to the milk supply pipe; A body tube in which the nozzle tube is built and a slit-shaped body tube hole is formed in a part of the peripheral portion; A prevention film which is movable in the longitudinal direction while surrounding the nozzle tube and embedded in both ends of the body tube so as to open and close a part of the body tube hole; A signal generator section for driving control of the prevention film; It is achieved by including a support mounted on the adjacent side of the body tube to secure the signal transmitter.

1 is a partial perspective view summarizing a wet spray process according to the prior art,

Figure 2 is an external perspective view showing the adjusting device of the present invention,

3 is an exploded perspective view showing a control device of the present invention,

Figure 4 is a main part of the operating state of the present invention control device.

Explanation of symbols on the main parts of the drawings

10: support, 11: upper base,

20: signal transmitter part, 22: gear part,

24: chain, 25: guide member,

26: prevention film, 30: body tube,

40: iron plate, 52: nozzle tube.

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

Figure 2 is an external perspective view showing a wet fluid spray automatic control device on the surface of the iron plate according to the present invention consists of a support 10, a signal transmitter unit 20 and a body tube 30.

The body tube 30 is composed of a separate body tube back portion 30-1 and a body tube front portion 30-2 forming a semi-cylindrical structure, as shown in Figure 3 and on each side After the body tube assembly portion 30-4, the body tube rear portion 30-1, and the body tube front portion 30-2 are joined by the body tube assembly portion 30-4, a circular shape is formed on each side surface. Flange portion 30-3 is provided.

A central portion of the body tube rear surface portion 30-2 is provided with a body tube hole portion 30-6 in a straight line.

In addition, a nozzle tube 52 formed in a pipe structure is installed at the center of the body tube 30 in the same line, and a plurality of nozzle bodies 54 are assembled to the side surface of the nozzle tube 52.

On the other hand, the front of the nozzle tube 52 is provided with a nozzle tube screw portion 55 is fastened by the supply pipe 50 and the union 51 shown in Figure 1 can be connected to the inside of the nozzle tube 52 and the body The discharge pipe 31 is provided in the lower part of the back surface part 30-1 of the pipe.

The support 10 is divided into an upper base 11 and a lower base 12, and the upper base 11 is provided with toothed portions 22 formed in two pairs on both sides thereof, which are one side by the chain 24. The signal generator part 20, which is a drive shaft, is connected, and the other side is activated by the driving force of the gear 22 connected to the chain 24.

As the back surface of the chain 24, the prevention film 26 flowing into the body tube 30 is coupled to both sides of the back surface of the chain 24 by guide members 25, and the guide members 25 are each The prevention film 26 is provided to be assembled to the outer surface.

Each of the barrier films 26 has a guide front hole 25-4 and a guide (rear hole) separately arranged in the same line, and thus the connecting member 25-2 side and the prevention film shaft connecting member connected to the chain 24 in turn. It is assembled by (25-3).

On the other hand, one side of the upper base portion 11 is provided with a signal transmitter 20 and a driving motor for transmitting power to the gear 22, which is attached to the pedestal coupled to the upper base portion 11 Allow it to settle down.

The plurality of nozzle bodies 54 located inside the body tube 30 has a plurality of nozzle surfaces 54-1, and the nozzle assembly 54-2 on the opposite side is assembled to the nozzle tube 52. It is screwed to make it possible.

In addition, the lower base 12 configured perpendicular to the upper base 11 is coupled by a flange.

In addition, as shown in Figure 4, the tooth plate 40 connected to the chain 24 according to the iron plate width input to the signal transmitter unit 20 before entering the lower portion of the body tube 30 is As it is driven, the guide member 25 is flowed together with the chain 24 connected to the front and rear, and the prevention film 26 formed in each of the body pipes 30 moves.

In addition, the upper surface of the body tube 30 is provided with a movement path of the guide member 25 is sealed by the sealing portion (32).

Referring to the operation of the present invention having such a configuration as follows.

An external perspective view showing an automatic control device for spraying wet milk on the surface of the iron plate according to the present invention, wherein one side of the gear portion 22 formed in two pairs by the drive shaft has a length of the iron plate width transmitted to the signal transmitter 20. By turning the gear of the other side connected to the chain 24 and the front and rear prevention film inside the body tube 30 connected to the chain 24 is connected to the lower side of the gear 22 is moved.

Therefore, as the pair of barrier films are moved, the wet milk sprayed from the nozzle body 54 constituted between the barrier films 26 is formed by the amount of wet liquid ejected from the nozzle body 54 at a position deviating from the barrier film 26. It is on the same line as the width.

At this time, the iron plate 40 penetrates the lower end of the body tube, and the wet oil spray angle is to determine the injection portion of the nozzle surface 54 by flowing the prevention film 26 inside the body tube according to the iron plate width in the signal transmitter.

As described in detail above, the present invention provides an advantage of preventing waste of milk and improving product quality by automatically adjusting the width of the wet milk spray according to the width of the iron plate during the wet spray.

Claims (2)

A nozzle tube 52 attached to a plurality of nozzles 54-1 longer than the maximum width of the strip being produced and connected to the milk supply pipe 50; A body tube 30 having the nozzle tube 52 embedded therein and having a slit-shaped body tube hole portion 30-6 formed at a peripheral portion thereof; A barrier layer 26 which is movable on the nozzle tube 52 and movable in the longitudinal direction thereof and embedded in both ends of the body tube 30 so as to open and close a part of the body tube hole part 30-6; A signal generator unit 20 for driving control of the barrier layer 26; The apparatus for automatically spraying the milk of the iron plate surface, characterized in that it comprises a support (10) mounted on the adjacent side of the body tube (30) to support and fix the signal transmitter (20). 2. The apparatus according to claim 1, wherein the signal transmitter (20) has a gear portion (22) connected to the driving means to generate a driving force; A chain (24) connecting said gear (22); Fixing the connecting member 25-2 to a part of the chain 24; A prevention shaft connecting member 25-3 is installed on the connecting member 25-2; The prevention film shaft connecting member (25-3), the automatic injection device for wet spraying the surface of the iron plate, characterized in that made by fixing the prevention film (26).