KR200240683Y1 - Hot coil cooling apparatus for cold working - Google Patents

Abstract

The present invention relates to a cold working hot rolled coil cooling apparatus capable of cooling the hot rolled coil to a temperature suitable for cold working.

The sliding base 110 is slidably mounted on the base 102 via the driving motor 106 and the screw shaft 104, and the sliding base 110 receives power from the cylinder 112 to move up and down. The vertical moving body 116 is mounted so as to be strong, and the cooling water line 150 having a long length in which the cooling water circulates inside is rotated radially on one side of the main body 120 fixed to the vertical moving body 116. A plurality of rack block 140 is installed, the body 140 is characterized in that the temperature sensor 116 for detecting the temperature of the hot rolled coil (1) is provided.

Description

Hot coil cooling apparatus for cold working

The present invention relates to a hot rolled coil cooling device, and more particularly, to a cold rolled hot rolled coil cooling device capable of cooling the hot rolled coil to a temperature suitable for cold working.

In general, hot rolled coils are in an unsuitable high temperature state for cold working and need cooling for cold working.

In the related art, hot rolled coils are immersed in a yard for a predetermined time to cool naturally, or by spraying an appropriate amount of water on the hot rolled coils, which is often not processed systematically so that the hot rolled coils at high temperature are cold processed.

In the case of cold working the hot rolled coil in a high temperature state, as shown in FIG. 1, a rubber roll which is rotated in contact with upper and lower surfaces of the steel sheet 2 which is released from the hot rolled coil 1 and proceeds ( 3) heat-curing to generate a dust (4) while damaging the coating, the dust (4) is attached to the surface of the steel sheet (2) to lower the surface quality of the steel sheet (2), as well as the steel sheet (2) ) Is a high temperature state unsuitable for cold working, there is a problem that the wrinkled deformation portion 5 is formed due to the cooling of the steel sheet (2).

In addition, the rubber roll (3) has a problem that the maintenance and repair of the cold working equipment, such as the need to be replaced quickly because it generates a continuous defect in the steel sheet (2) that continues to be cold processed once it is damaged, thereby lowering the productivity.

The present invention was devised to solve such a conventional problem, and its purpose is to cool the hot rolled coil to a temperature suitable for cold working to prevent breakage of the rubber roll to improve its life, as well as to reduce the quality of the cold worked steel sheet. It is an object of the present invention to provide a hot rolled coil cooling device for cold working.

1 is a view for explaining a problem caused when cooling the hot rolled coil according to the prior art;

Figure 2 is a perspective view showing a state in which the cold working hot rolled coil cooling apparatus according to the present invention is installed to cool the hot rolled coil;

Figure 3 is a front view showing a part of the hot rolled coil cooling apparatus according to the present invention;

4 is a configuration diagram showing a hot rolled coil detecting unit installed to measure the outer surface temperature of the hot rolled coil in the cooling device according to the present invention;

Figure 5 is a perspective view showing in more detail the mounting configuration of the coolant line according to the present invention;

6 and 7 is a diagram illustrating the operation of the hot rolled coil cooling apparatus of the present invention; to be.

※ Explanation of symbols about main part of drawing ※

102: base 104: screw shaft

106: drive motor 110: sliding base

112: cylinder 116: vertical moving body

120: main body 126: detection bar

126a: Thread 128: Pinion Gear

130: rack 140: rack block

142: rack 144: spring

148: pinion gear 150: cooling water line

166: temperature sensor

As a technical configuration for achieving the above object, the present invention, the sliding base is slidably mounted to the upper portion of the base via a drive motor and a screw shaft, the vertical movable body is moved up and down by receiving power from the cylinder to the sliding base. And a rack block having a plurality of radially installed cooling water lines rotatably installed on one side of the main body fixed to the vertical moving body to be rotatable, and sensing the temperature of the hot rolled coil in the main body. By providing a cold working hot rolled coil cooling apparatus, characterized in that the temperature sensor for providing.

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

Figure 2 is an external perspective view showing the state in which the hot rolled coil cooling apparatus according to the present invention is provided on both sides of the hot rolled coil during cooling.

The cooling apparatus 100 of the present invention is installed in each of the bases 102 disposed to be separated by a predetermined length in consideration of the width of the hot rolled coil 1.

Figure 3 shows such a cooling device 100 from the front, the center of the upper surface of the base 102, the screw shaft 104 is installed in the longitudinal direction is rotatably supported by a support block, the screw shaft 104 is connected to the drive motor 106 is driven to rotate.

In addition, a sliding base 110 is slidably mounted in a longitudinal direction on an upper surface of the base 102, and the sliding base 110 is connected to the screw shaft 104 to receive a sliding force. That is, a block having a female thread formed therein in the longitudinal direction is fixed to the lower portion of the sliding base 110, and the block is mounted to be engaged with the screw shaft 104 by screwing so that the screw shaft 104 rotates. When the sliding base 110 is sliding in the longitudinal direction of the base (102).

A cylinder 112 and a pair of base blocks 114 are installed on an upper portion of the sliding base 110, and a rear end of the cylinder 112 is rotatably mounted to the sliding base 110, and the base The block 114 is fixed perpendicular to the sliding base 110.

The base block 114 is mounted to the vertical movable body 116 to slide in the vertical direction, the vertical movable body 116 is fixed to the main body 120 of the approximately hollow cylindrical shape with both ends open, The main body 120 is disposed in the same length direction as the sliding direction of the sliding base 110. In addition, the vertical movable body 116 is connected to the cylinder 112 is provided with a vertical movement force.

Both ends of the main body 120 are covered by covers 122 and 124, and green and red warning lamps 122a and 122b are installed on the outer surface of one cover 122 and the other cover 124. A long rod-shaped sensing bar 126 is fitted in the central portion of the sensing bar 126 so as to slide through the cover 124 in the longitudinal direction of the main body 120, and the main body 120 of the sensing bar 126. The threaded portion 126a is formed in the longitudinal direction on the outer surface side of the hollow portion side to engage with the pinion gear 128.

The pinion gear 128 is mounted to the inside of the main body 120 via a bracket 129, and the pinion gear 128 is engaged with the rack 130 installed in the longitudinal direction of the main body 120. The rack 130 penetrates the cover 124 in the longitudinal direction of the main body 120.

The central portion of the cover 124 is formed with a cylindrical protrusion 132 extending a predetermined length outward along the longitudinal direction of the main body 120. Of course, the sensing bar 126 penetrates the protrusion 132 of the cover 124 in the longitudinal direction and protrudes outward.

The protrusion 132 of the cover 124 is fitted with a rack block 140 formed in a hollow cylinder shape, the rack block 140 is fixed to support one end of the rack 130.

A plurality of racks 142 are formed on the outer surface of the rack block 140 so as to be spaced apart at predetermined intervals in a circumferential direction while being continuous in the longitudinal direction, and between the rack block 140 and the cover 124. 144 is installed to support the rack block 140 in a direction away from the cover 124.

In addition, a plurality of pairs of supporting rods 146 are fixed to the edges of the cover 124 while being paired with the racks 142, and the support rods 146 are engaged with the rack 142 to rotate. A gear 148 is mounted, and one end of the coolant line 150 through which coolant is circulated is fixed to each of the pinion gears 148.

Mounting configuration of the coolant line 150 may be configured in various ways, a preferred embodiment will be described in more detail with reference to FIG.

Accordingly, both ends of the 'U' shaped cooling water line 150 having a long length are fixed to both ends of the pinion gear 148 disposed between the pair of support rods 146, and the cooling water line 150 An extension pipe 152 integrally extended in a form bent from both ends rotatably penetrates the support rod 146, and an end of the extension pipe 152 is extended to an extension pipe 152 ′ of a neighboring cooling water line. The rotary joint 154 is rotatably connected to each other. In addition, the permanent magnet 156 is preferably mounted at a predetermined position of the cooling water line 150.

In addition, the cooling water supply line 158 and the cooling water discharge line 159 are respectively connected to the extension pipe 152 to at least one of the cooling water line 150, and thus the cooling water supplied through the cooling water supply line 158. The extension pipe 150 is circulated and then discharged through the cooling water discharge line 159.

In addition, optical sensors 160 are respectively attached to upper and lower predetermined positions of one side of the rack block 140, and the cooling water discharge line 159 is attached to the outer surface of the rack block 140 as shown in FIG. 3. The limit switch 162 is mounted to be able to detect the state when it rotates radially.

In addition, a stop ring 164 is mounted at an end portion of the protrusion 132 of the cover 124 protruding through the rack block 140.

In addition, a temperature sensor 166 is mounted at an end portion of the detection bar 126 that protrudes through the protrusion 132 of the cover 124 to sense an internal temperature of the hot rolled coil 1. .

On the other hand, between the base 102, the hot rolled coil 1 is located between the base 102 and the hot rolled coil detection unit 170 is installed so as to detect the outer surface temperature of the hot rolled coil (1) Preferably, it has a stationary plate 172 positioned between the bases 102 and fixed to the floor as shown in FIG. The four corners of the fixing plate 172 is formed in a hollow cylindrical shape and the support 174 extending vertically vertically upwards is fixed integrally, and the support 174 is a cushion bar 178 via a spring 176. Are each fitted, the cushion bar 178 is integrally formed at the bottom of the four corners of the vertical lifting plate 180. Of course, the spring 176 provides an elastic repulsive force in the direction in which the vertical lifting plate 180 rises.

In addition, a support roll 182 is provided to support the hot rolled coil 1 at left and right sides of the upper and lower lifting plates 180, and a temperature sensing copper plate 184 is provided at the center of the upper and lower lifting plates 180. Is placed.

Cushion bar 186 is integrally fixed to four corners of the lower surface of the temperature sensing copper plate 184 in a vertical direction downward, and the cushion bar 186 is fitted to penetrate vertically through the up and down lifting plate 180. A spring is mounted between the vertical lifting plate 180 and the temperature sensing copper plate 184 to provide an elastic repulsion force to the upper side of the temperature sensing copper plate 184.

Of course, the temperature detecting copper plate 184 is attached to the temperature sensor (188).

The sensors, the driving motors, the cylinders, and the like are electrically connected to a control unit not shown, and are supplied with power and controlled.

The operation of the present invention with the above configuration will be described.

The operation order of the apparatus of the present invention described below is described as one embodiment, and the order may be changed as necessary.

As shown in FIG. 6, the apparatus 100 of the present invention has the cooling water line 150 folded and the main body 120 away from the hot rolled coil 1, and the main body 120 remains in a lowered state.

When the hot rolled coil 1 is placed on the hot rolled coil 1 in the loading saddle 199, the hot rolled coil 1 is formed by the temperature sensor 188 of the hot rolled coil temperature sensing unit 170 installed at the center of the saddle 199. The temperature of 1) is detected and transmitted to the controller.

When the temperature value is lower than the reference temperature, the control unit emits the green warning lamp 122a and provides information to the operator that the hot rolled coil 1 is cold processed.

On the other hand, when the temperature value is higher than the reference temperature, the red warning lamp 122b emits light to warn the worker that the cold working is impossible and simultaneously operate the cooling device of the present invention.

First, the cylinder 112 is operated to raise the main body 120, and the raising of the main body 120 is performed by the photosensor 160, such that the sensing bar 126 is positioned at the center of the hot rolled coil 1. Until it is located.

Subsequently, the driving motor 106 is driven to move the sliding base 110 connected thereto via the screw shaft 104 toward the hot rolled coil 1, which is configured to be mounted on the upper portion of the sliding base 110. The elements are moved toward the hot rolled coil 1, in which case the tip of the rack block 140 first contacts the one side surface of the hot rolled coil 1.

At this time, the rack block 140 is in contact with the hot rolled coil (1) can not move further, while the rack block 140, the rear end body 120 continues to move toward the hot rolled coil (1), which The support rod 146 fixed to the main body 120 also continues to move toward the hot rolled coil 1, so that the pinion gear 148 installed on the support rod 146 rotates along the rack 142. The cooling water line 150 fixed to the pinion gear 148 is unfolded.

Then, when the coolant line 150 is fully expanded to the state as shown in FIG. 7, the coolant line 150 operates the limit switch 162 to stop the driving motor 106.

In addition, in the above state, the permanent magnet 156 installed in the cooling water line 150 is brought into contact with one surface of the hot rolled coil 1 by magnetic force such that the cooling water line 150 is in close contact with the hot rolled coil 1. .

Of course, the cooling water line 150 is unfolded and at the same time the cooling water is supplied to the cooling water line 150 through the cooling water supply line 158 to be discharged through the cooling water discharge line 159, and thus the hot rolled coil ( 1) is cooled by the cooling water circulated along the cooling water line 150.

In this state, the temperature sensor 166 at the tip of the sensing bar 126 is located inside the central portion of the hot rolled coil 1.

While cooling the hot rolled coil 1, the temperature sensor 166 controls the temperature sensor 188 of the hot rolled coil temperature sensor 170 by continuously measuring the temperature of the hot rolled coil 1. The controller determines whether the hot rolled coil 1 is cooled based on the temperature information.

If it is determined by the controller that the hot rolled coil 1 is cooled to a temperature suitable for cold working, the apparatus of the present invention is returned to the initial state in the reverse order to the above, and waits for the next work.

As described above, according to the cold working hot rolled coil cooling apparatus according to the present invention, the hot rolled coil is cooled by an automated device to be suitable for cold working, which helps to improve the quality of the cold worked steel sheet, and the cold working equipment thereof. It has an effect of preventing breakage of rubber rolls and the like.

Claims (3)

The sliding base 110 is slidably mounted on the base 102 via the driving motor 106 and the screw shaft 104, and the sliding base 110 receives power from the cylinder 112 to move up and down. The vertical movable body 116 is mounted so that the cooling water line 150 having a long length in which the coolant is circulated in one side of the main body 120 fixed to the vertical movable body 116 is rotatable radially. Rack blocks 140 are installed, the main body 140, the hot rolled coil cooling apparatus for cold processing, characterized in that the temperature sensor (166) for detecting the temperature of the hot rolled coil (1) is provided. According to claim 1, The rack block 140 is slidably mounted to the main body 120 via the rack 130 and the pinion gear 128, between the rack block 140 and the main body 120 A spring 144 is provided on the rack block 140 to provide an elastic repulsive force in a direction away from the main body 120. The outer surface of the rack block 140 is circumferentially arranged in the longitudinal direction of the rack 142. And a plurality of pinion gears 148 rotated in engagement with the rack 142 to the cooling water line 150, and the pinion gears 148 are rotatably installed on the main body 120. Hot rolled coil cooling device for cold working. According to claim 2, wherein the detection bar 126 is installed so as to slide through the rack block 140 in the longitudinal direction, the temperature sensor 166 is mounted to the front end of the detection bar 126, And forming a screw thread (126a) at the rear end of the sensing bar (126) so as to be engaged with the pinion gear (128).