CN216606675U - Descaling device of finishing mill - Google Patents

Abstract

The utility model discloses a descaling device of a finishing mill, which comprises a spray box body and a conveying roller way, wherein a baffle plate enables the lower end of the spray box body to be provided with a water collecting tank, positive and negative screws are arranged on two sides in the spray box body and are driven to rotate by a servo motor, slide blocks are arranged at two ends of the positive and negative screws, which are opposite in thread direction, the conveying roller way penetrates between the slide blocks at the upper end and the lower end, water distribution pipes are arranged between the slide blocks on the same horizontal plane, high-pressure spray heads are arranged on the water distribution pipes, a water supply tank is arranged on the outer side of the spray box body, and the water supply tank is communicated with the two water distribution pipes. According to the utility model, the spraying box body is arranged outside the conveying roller way, when the steel plate is conveyed into the spraying box body, the surface of the plate is washed by the high-pressure spray nozzles at the upper end and the lower end in the spraying box body, so that the oxidized scale on the plate falls off, and the quality of plate finish rolling is ensured.

Description

Descaling device of finishing mill

Technical Field

The utility model relates to the technical field of steel plate descaling equipment, in particular to a descaling device of a finishing mill.

Background

The steel is oxidized at a high temperature state, a layer of compact scale is formed on the surface of the steel, the scale is in a scale shape, if the scale is not taken out in time, the scale can enter the roller along with the plate, and under the huge pressure of the roller, the scale can damage the roller and even can be embedded into the roller, so that the safety of a finishing mill is seriously damaged, and therefore, the scale on the surface of the plate is timely cleaned, which is the important factor for ensuring the quality of rolled steel.

SUMMERY OF THE UTILITY MODEL

The utility model aims to avoid the defects in the prior art and provides the descaling device for the finishing mill, so that the defects in the prior art are effectively overcome.

In order to realize the purpose, the utility model adopts the technical scheme that: a descaling device for a finishing mill comprises a spraying box body with openings on the left and the right and a conveying roller way penetrating through the spraying box body, the left side and the right side of the spraying box body are provided with baffle plates at positions corresponding to the lower part of the conveying roller way, the baffle plate enables the lower end of the spraying box body to form a water collecting tank, positive and negative screw rods are arranged in the spraying box body at positions corresponding to two sides of the conveying roller way, the positive and negative screw rods are driven by a servo motor to rotate, the two ends of the positive and negative screw rods, which are opposite in thread direction, are provided with slide blocks, a conveying roller way penetrates between the slide blocks at the upper end and the lower end, a water distribution pipe is arranged between the slide blocks on the same horizontal plane, a plurality of high-pressure spray heads are uniformly distributed on one side of the water distribution pipe facing the conveying roller way, a water supply tank is arranged on the outer side of the spraying tank body, the water supply tank is respectively communicated with the two water distribution pipes through a water supply pipeline, and a water supply pump is arranged on the water supply pipeline.

Further, the lower extreme of rollgang is provided with recovery water tank, recovery water tank pass through the recovery tube with the water catch bowl intercommunication.

Further, the one end that the recovery tube is located recovery tank is provided with the filter screen, and the lower extreme of recovery tube is provided with the clearance pipe, clearance pipe and recovery tube intercommunication and the opening part of clearance pipe are provided with sealed lid.

Further, a water replenishing pump is arranged in the recovery water tank and communicated with the water supply tank through a water replenishing pipe.

Further, the recovery water tank is placed on the bracket.

Further, the water supply pipeline include with the feed pipe of feed tank intercommunication, the working shaft is installed on the feed pipe, be connected with the distributive pipe on the feed pipe, the distributive pipe is followed respectively the upper and lower both ends that spray the box penetrate, the distributive pipe is located the one end that sprays the box pass through flexible hose with the water-distribution pipe intercommunication.

Furthermore, the bottom of the spraying box body is provided with supporting legs.

The technical scheme of the utility model has the following beneficial effects: according to the utility model, the spraying box body is arranged outside the conveying roller way, when a steel plate is conveyed into the spraying box body, the surface of the plate is washed by the high-pressure spray heads at the upper end and the lower end in the spraying box body, so that oxidized scales on the plate fall off, the forward and reverse screws can drive the water distribution pipes to synchronously move close to one side of the conveying roller way or move away from the conveying roller way, the position adjustment of the water distribution pipes is realized, the descaling work is convenient to carry out, the device can effectively clean the scales on the surface of the plate, and the quality of finish rolling of the plate is ensured.

Drawings

FIG. 1 is a schematic structural diagram of a front view plane according to an embodiment of the present invention;

FIG. 2 is a schematic view of a left side view plane of the spray box according to the embodiment of the utility model;

FIG. 3 is a schematic cross-sectional view of a cleaning tube according to an embodiment of the present invention.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, the descaling device for a finishing mill according to the present embodiment includes a spraying box 1 having openings on left and right sides and a roller conveyor 21 passing through the spraying box 1, wherein baffles 2 are disposed on left and right sides of the spraying box 1 at positions corresponding to the lower side of the roller conveyor 21, the baffles 2 form a water collecting tank at the lower end of the spraying box 1, positive and negative screws 3 are disposed in the spraying box 1 at positions corresponding to both sides of the roller conveyor 21, the positive and negative screws 3 are driven to rotate by a servo motor 4, sliders 5 are disposed at opposite ends of the positive and negative screws 3, the roller conveyor 21 passes between the sliders 5 at upper and lower ends, a water distribution pipe 6 is disposed between the sliders 5 at the same level, a plurality of high pressure nozzles 7 are uniformly disposed on one side facing the roller conveyor 21 of the water distribution pipe 6, a water supply tank 8 is disposed on the outer side of the spraying box 1, the water supply tank 8 is respectively communicated with the two water distribution pipes 6 through a water supply pipeline, a water supply pump 9 is provided on the water supply line.

The servo motor 4 drives the positive and negative screw rods 3 to rotate, so that the sliding blocks 5 on the positive and negative screw rods are driven to simultaneously approach to one side of the conveying roller way 21 or simultaneously keep away from the conveying roller way 21, and the position of the high-pressure spray head 7 is adjusted.

The lower end of the conveying roller way 21 is provided with a recovery water tank 10, and the recovery water tank 10 is communicated with the water collecting tank through a recovery pipe 11.

A filter screen 12 is arranged at one end of the recovery pipe 11 in the recovery water tank 10, a cleaning pipe 13 is arranged at the lower end of the recovery pipe 11, the cleaning pipe 13 is communicated with the recovery pipe 11, and a sealing cover 14 is arranged at the opening of the cleaning pipe 13.

A water replenishing pump is arranged in the recovery water tank 10 and is communicated with the water supply tank 8 through a water replenishing pipe 15.

High pressure nozzle 7 jets high pressure water column and washes the panel surface, thereby wash down the oxidation scale on panel surface, the oxidation scale that washes down together drops to the water catch bowl of spraying box 1 bottom with water, then enter into recovery tank 10 via recovery tube 11 in, filter screen 12 can prevent that the oxidation scale from entering into recovery tank 10 on the recovery tube 11, after long-time work, make remaining oxidation scale in the recovery tube 11 discharge in the 13 departments of clearance pipe through opening sealed lid 14, avoid the oxidation scale in the recovery tube 11 to pile up too much, influence the recovery of water.

The recovery tank 10 is placed on the stand 20.

The water supply pipeline comprises a water supply pipe 16 communicated with the water supply tank 8, the water supply pump 9 is installed on the water supply pipe 16, a water distribution pipe 17 is connected onto the water supply pipe 16, the water distribution pipe 17 penetrates through the upper end and the lower end of the spraying box body 1 respectively, and one end, located in the spraying box body 1, of the water distribution pipe 17 is communicated with the water distribution pipe 6 through a flexible hose 18.

The bottom of the spray box body 1 is provided with a supporting leg 19.

The working principle of the utility model is as follows: the hot steel billets are conveyed through the conveying roller way 21, when the steel billets move into the spray box body 1, the water supply pump 9 is started to supply water into the water distribution pipe 6 and spray the water through the high-pressure spray nozzles 7, the high-pressure spray nozzles 7 at the upper end and the lower end spray the water columns onto the steel billets and flush the oxide scales on the steel billets, the flushed oxide scales and the water fall into the water collecting tank together, the water enters the recovery water tank 10 through the recovery pipe 11, and then the water is sent into the water supply tank 8 through the water pump again, so that the water recycling is realized, the operation is convenient and fast, and the time and the labor are saved.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (7)

1. A descaling device for a finishing mill is characterized in that: the spraying device comprises a spraying box body with an opening on the left and right sides and a conveying roller way penetrating through the spraying box body, wherein the left and right sides of the spraying box body correspond to the position below the conveying roller way and are provided with baffle plates, the baffle plates enable the lower end of the spraying box body to form a water collecting tank, positive and negative screws are arranged in the position corresponding to the two sides of the conveying roller way in the spraying box body and are driven to rotate by a servo motor, slide blocks are arranged at the two ends of the positive and negative screws, the conveying roller way penetrates between the slide blocks at the upper end and the lower end, water distribution pipes are arranged between the slide blocks at the same horizontal plane and are uniformly distributed on one side facing the conveying roller way and provided with a plurality of high-pressure spray nozzles, a water supply tank is arranged on the outer side of the spraying box body, the water supply tank is respectively communicated with the two water distribution pipes through a water supply pipeline, and a water supply pump is arranged on the water supply pipeline.

2. A descaling apparatus for a finishing mill according to claim 1, wherein: and a recovery water tank is arranged at the lower end of the conveying roller way and is communicated with the water collecting tank through a recovery pipe.

3. A descaling apparatus for a finishing mill according to claim 2, wherein: the one end that the recovery tube is located recovery tank is provided with the filter screen, and the lower extreme of recovery tube is provided with the clearance pipe, clearance pipe and recovery tube intercommunication and the opening part of clearance pipe are provided with sealed lid.

4. A descaling apparatus for a finishing mill according to claim 3, wherein: and a water replenishing pump is arranged in the recovery water tank and is communicated with the water supply tank through a water replenishing pipe.

5. A descaling apparatus for a finishing mill according to claim 4, wherein: the recovery water tank is placed on the bracket.

6. A descaling apparatus for a finishing mill according to claim 1, wherein: the water supply pipeline comprises a water supply pipe communicated with the water supply tank, the water supply pump is installed on the water supply pipe, a water distribution pipe is connected to the water supply pipe, the water distribution pipe is respectively penetrated through the upper end and the lower end of the spraying box body, and one end of the water distribution pipe, which is positioned in the spraying box body, is communicated with the water distribution pipe through a flexible hose.

7. A descaling apparatus for a finishing mill according to claim 1, wherein: the bottom of the spraying box body is provided with supporting legs.

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