KR200308404Y1 - Apparatus for hot rolled coil scrap treating and coil sampling in hot rolled coil corretion line - Google Patents

Abstract

The present invention shortens the working air by easily, quickly and safely working a small number of upper and lower knives in the hot-rolled coil correction line of the steel mill, replacing and sampling the upper and lower knives. The present invention relates to the provision of a device designed to enhance an unsafe working environment upon sample retake.

The present invention is disposed on the output shaft of the upper and lower knives 101 and 102, the processing roll (4) rotated in one direction by the roll motor (4b), and the coil scrap or coil discharged through the processing roll (4) The inclined scrap chute 3 which guides a sample, the position which discharges the coil scrap falling through the said scrap chute 3 below, or the position which piles up the coil sample which falls through the said scrap chute 3 on it. The main frame 10 having the horizontal plate 11 installed on the upper frame 15 and the scrap box 21 mounted thereon can be moved to the movable rail so that the scrap plate 21 can be moved. The upper and lower knives 101 and 102 by installing a moving trolley 20 and a knife conveying trolley 1 for positioning the movable portion under the main body frame 10 or to a place for scrap processing. Knife change device (2) which performs exchange work) It provides a hot-rolled coil correction coil line defect processing unit and the sampling of the device, characterized in the configuration.

Description

Coil failure processing and sampling device of hot rolled coil correction line {APPARATUS FOR HOT ROLLED COIL SCRAP TREATING AND COIL SAMPLING IN HOT ROLLED COIL CORRETION LINE}

The present invention relates to a coil defect processing and sampling device of a hot rolled coil correction line in a steel mill, and more particularly, to continuously replace a scrap box and take a sample without interrupting operation of a correction line facility. The present invention relates to a coil defect processing and sampling device of a hot rolled coil correction line, which is configured to improve and to secure process continuity, and to safely exchange upper and lower knives used therein.

In general, hot rolled coils (hereinafter referred to as coils), which are wound up in the form of rolls of steel sheets manufactured in a hot rolling mill of a steel mill, are transferred to a cooling station after winding is completed, and the coils are then used in subsequent facilities after cooling to room temperature. Rolling and correction inspection is performed repeatedly, the coil defective portion of the quality of the line and the rear end during the coil inspection operation is cut by the upper and lower knife 101, 102 as shown in Figure 1a, Figure 1b. The defective part cut to a predetermined length falls into the scrap box 21 disposed on the lower side of the scrap chute 103 through the scrap chute 103 having an inclination angle and is discharged, and the upper and lower knives 101 and 102 are disposed. ) Is exchanged quickly at regular intervals.

In this operation, when the upper and lower knives 101 and 102 are replaced, the chain block 105 is joined after welding of the chain block bracket 104, and the upper and lower knives (using the chain block 105) are used. Knife replacement work has been performed by manual method of dismantling and transporting 101) and 102 to the ceiling crane.The operator handles almost all the work by hand, so the risk of knife fall and stenosis is very high and the downtime of equipment There was a problem that occurs excessively.

In addition, a portion of the defective part cut during the processing of the defective part of the coil as described above may not be dropped and discharged into the scrap box 21 through the scrap chute 103 and stacked or caught at a position of the scrap chute 103. In this case, the worker pushed or pulled the defective part which hangs by hand directly with an iron pipe or hand. In this case, as the body part of the worker working near the upper and lower knives 101 and 102 interferes with the scrap or the scrap chute 103, the risk of a safety accident is very high and the operation must be stopped during the scrap processing. Reduction of work productivity due to interruption was inevitable.

In addition, the coil sampling operation for quality assurance and material inspection of each coil as the operation related to the above equipment is stopped in the operation even during sampling, as shown in Figure 2, the sample cut to a certain size (S) Since at least two sets of workers have to move the steel plate manually by the stacking die 109, the work load is large and the work force is excessively input, and there is a problem such as deterioration of work productivity due to equipment interruption.

Therefore, the present invention has been proposed to solve the conventional problems as described above, the purpose of which is to perform the upper and lower knife replacement operation made in the hot-rolled coil correction line more easily, quickly, accurately, and safely, Scrap processing of cutting and discharging and sample retake are performed easily and safely without interruption of operation. Coil failure treatment of hot rolled coil correction line that can reduce work load of worker and reduce manpower, improve work productivity. To provide a sampling device.

Figure 1a is a schematic side view of the upper and lower knife equipment according to the prior art,

Figure 1b is a perspective view of the excerpt of the device of Figure 1a,

Figure 2 is a perspective view showing the operation of the conventional coil sampling operation,

Figure 3 is a side view of the device for performing the upper and lower knife exchange in the device according to the present invention,

4 is a perspective view of a device according to the present invention,

Figure 5 is an enlarged perspective view of the excerpts of the apparatus of Figure 4;

Explanation of symbols on main parts of drawing

1: Scrap suit 2: Knife change device 3: Scrap suit

4 processing roll 11 horizontal plate 12 first cylinder

13 vertical plate 14 second cylinder 15 upper frame

20: moving cart 21: scrap box 22: running rail

25: bogie motor 101,102: upper and lower knives

As a technical configuration for achieving the above object, the present invention is a device for cutting the coil defective part by the upper and lower knives and performing the coil sampling operation, the upper and lower knives 101 and 102 are arranged on the exit side of the roll A processing roll 4 which is driven in one direction by a motor 4b, an inclined scrap chute 3 for guiding coil scrap or a coil sample discharged through the processing roll 4, and the scrap chute 3 The second cylinder is provided with a horizontal plate 11 forward and backward by the first cylinder 12 to discharge the scrap falling through the lower side to the upper surface of the horizontal plate 11 is contacted or spaced apart The main body frame 10 having a vertical plate 13 which is lifted up and down by 14 and the scrap box 21 are mounted to be movable on the traveling rail 22 so as to be directly under the main body frame 10. Wealth or other choice A mobile trolley 20 arranged to move to a place, a trolley motor 25 for generating a driving force capable of varying the position of the mobile trolley 20, and the first and second cylinders 12 and 14; And a controller for controlling the operation of the trolley motor 25 and the like.

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

Figure 3 is a schematic configuration of the upper and lower knife in the present invention, Figure 4 is a perspective view of the device according to the present invention, Figure 5 is a perspective view showing a vertical plate and a second cylinder employed in the device of the present invention. .

The apparatus of the present invention is a series of processes and the quality of the coil material by cutting the coil defects found in the hot rolled coil correction line with the upper and lower knives 101 and 102 as shown in FIGS. It is possible to safely and automatically carry out a series of steps to take a sample of steel sheet to inspect the equipment, the device is a knife transport trolley (1), knife changer (2), scrap chute (3), processing It consists of a roll 4, the main body frame 10, the moving trolley 20, the trolley motor 25, and a controller.

The knife transporting trolley 1 is disposed on one side of the upper and lower knives 101 and 102, and the body is fixedly installed on a fixing stand 1a that is rotatably installed to rotate 360 °. It has a structure to fasten the chain block to the mover (1b) to seat the knife to the knife exchange device (2).

The knife exchange device (2) is installed to be inclined to guide the inclined knife to the predetermined position seated by the knife transporting trolley (1) to allow the upper and lower knife 101, 102 to be seated in place Device.

In addition, the processing roll 4 is disposed horizontally on the exit side of the upper and lower knives 101 and 102 for cutting the coil defective part, and the cut coil is disposed at one end of both ends rotatably supported by the bearing block. A roll motor 4b for rotating the roll in the direction of discharging scrap, which is a defective part, is provided on the motor base 4a.

The scrap chute 3 is a plate portion which is installed to be inclined to guide the scrap coming over the processing roll 4 to a predetermined position on the body frame 10 side.

The main body frame 10 disposed at the exit side of the scrap chute 3 has a first cylinder 12 for moving the horizontal plate 11 forward and backward according to a working situation, and a second for lifting the vertical plate 13 up and down. The cylinder 14 is a structure for mounting and supporting the upper frame 15 provided on a plurality of supports (10a) installed perpendicular to the bottom surface.

Here, the horizontal plate (11) is installed so that the slide movement to open and close the drop opening (15a) of the upper frame 15, the slide of the upper frame (15) is made smoothly A guide member, such as a guide roller 11a, which is moved along the guide surface formed on the left and right inner side surfaces, is mounted on both left and right ends thereof.

In addition, the first cylinder 12 connecting the rear end and the rod end of the horizontal plate 11 is a receiving port of the upper frame 15 for receiving the horizontal plate 11 that is reversed when the drop opening 15a is opened. It is fixedly installed on the lower surface.

The vertical plate 13 is assembled and installed to be movable up and down in the guide groove 16a of the guide block 16 fixedly installed at the left and right sides of the longitudinal middle part of the upper frame 15, and the second cylinder 14 is The body is fixedly installed on the fixing member 17 fixed to the upper frame 15 to enable the lower end of the vertical plate 13 and the upper surface of the horizontal plate 11 to be in contact with or spaced apart from each other.

In operation, the horizontal plate 11 retreats to the rear of the upper frame 15 by the first cylinder 12 to open the opening 15a of the upper frame 15 during the coil defective part cutting process. In the state, in this state, the scrap box 21 loaded on the moving trolley 20 is moved to the position directly below the opening 15a. In this state, the scraps of the defective coil cut by the upper and lower knives 101 and 102 are guided without being caught on the scrap chute 3 by the action of the processing roll 4, and the scrap chute 3 The scrap guided upwards is dropped on the inclined surface of the scrap chute 3 to be dropped into the scrap box 21 through the opening 15a, and when the scrap box is fully accommodated in the strap box 21, The trolley | bogie 20 moves to a fixed place by the motor 25, and an automatic scrap process is performed.

In addition, during the sampling operation for the coil, the horizontal plate 11 moves to a position covering the opening 15a, and in this state, the coil samples cut by the upper and lower knives 101 and 102 ( S) is automatically placed on the horizontal plate 11 with the guidance of the processing roll 4 and the scrap chute 3, and the horizontal plate 11 loaded with the sample is automatically transferred to a subsequent working position. To be processed.

When the replacement operation of the upper and lower knives 101 and 102 is repeated by repeating the above operations, the knife changing operation is performed using the knife changing device 2 described above.

Therefore, the present invention is simple, quick, accurate and safe to perform the operation of cutting the upper and lower knives, cutting the defective coil parts and taking samples in the hot rolled coil correction line by the configuration and operation as described above. It is to provide the effect of improving the work productivity by reducing the workload of the worker and reducing the required manpower.

Claims (1)

The processing roll 4 disposed on the output shaft of the upper and lower knives 101 and 102 and driven in one direction by the roll motor 4b, and guides the coil scrap or coil sample discharged through the processing roll 4. To be inclined scrap chute (3), and the position to discharge the coil scrap falling through the scrap chute 3 to the bottom or the coil sample falling through the scrap chute (3) to be placed thereon The main body frame 10 having the horizontal plate 11 installed on the upper frame 15 and the scrap box 21 are mounted to be movable on the running rail so that the scrap box 21 can be mounted on the main frame. The upper and lower knives 101 and 102 are exchanged by installing a moving trolley 20 and a knife conveying trolley 1, which are positioned at a position directly below or moved to a place for scrap processing. The structure including the knife changer 2 which performs a work HRC correction coil failure processing unit and a sampling unit of the line to the gong.