KR20010046726A - Table roll exchanging apparatus for carrying hot coil of rolling line - Google Patents

Abstract

PURPOSE: A roll replacing system is provided to allow the table roll to be replaced in an easy and safe manner, while preventing damage to the table roll bearing or table roll during the roll replacing process. CONSTITUTION: A system comprises a motor car(100) having a guide slot(220) formed in the lengthwise direction at the bottom of the motor car and which is arranged to be movable by its own driving source; a base(200) arranged to be slidable by a gliding cylinder along the guide slot formed at the motor car; a turn table(500) fixed to be rotatable onto the base; a conveying member(300) mounted to have an adjustable height onto the turn table so as to draw a table roll(R) of a rolling line; and a gripper unit fixed to an end of the conveying member so as to grip the table roll. The motor car includes a control panel(P) for allowing the worker to get on the car in order to replace the table roll. A loading table(10) is arranged in the vicinity of the motor car so as to accommodate the table roll.

Description

TABLE ROLL EXCHANGE DEVICE FOR HOT COIL TRANSFER OF ROLLING LINE {TABLE ROLL EXCHANGING APPARATUS FOR CARRYING HOT COIL OF ROLLING LINE}

The present invention relates to a table roll exchange device for conveying hot coils of a rolling line, and more particularly, to safely and quickly disassemble a heavy roller having a weight of 300 kg or more installed in a continuous rolling line where hot coils are produced. The present invention relates to a table roll exchange device for transferring hot coils of a rolling line, which is capable of assembling accurately in a rolling line without damaging the surface of the table roll.

The table roll for hot coil transfer is installed in a continuous rolling line that produces hot coils by rolling slabs, and is a facility for easily conveying hot coils. The problem of safety disasters squeezed on the rolls and equipment accidents have to be repaired manually by the worker, which has a disadvantage in that the productivity of the recovery delay is significantly reduced.

In other words, in order to replace the heavy load of the heavy chain table roll it is necessary to use a crane and chain, etc., it is not easy to operate such heavy equipment, there is a high risk of safety accidents due to inexperienced operation.

The present invention was created in view of the above-mentioned problems, and solved this problem. The bearing breakage of the new rolls generated during the roll replacement operation by allowing the mechanical roll to safely remove or attach the hot rolled coil transfer table roll. The purpose of the present invention is to provide a table roll exchange device for transferring a hot coil of a rolling line, which can minimize damage to the surface of the roll and improve the efficiency of the replacement work as well as the safety accident prevention function.

1 is an external perspective view of a table roll changer according to the present invention;

Figure 2 is an external perspective view of the transfer member constituting the table roll exchange apparatus according to the present invention,

Figure 3 is a perspective view and an exploded perspective view of the forceps part constituting the table roll exchange apparatus according to the present invention,

Figure 4 is a perspective view showing the main portion of the base and the turntable constituting the table roll exchange apparatus according to the present invention.

Explanation of symbols on the main parts of the drawings

100: electric vehicle, 110: loading rack,

200: base, 220: guide groove,

240: slide cylinder, 300: transfer member,

310: lift cylinder, 320: support bar,

330: guide frame, 340: front and rear cylinder,

342: forward and backward frame, 400: tongs,

410: roll balance cylinder, 420: clamping cylinder

422,424 pliers, 430: central axis,

500: turntable.

The above object of the present invention is an electric vehicle provided with a guide groove in the longitudinal direction on the bottom surface and provided to be movable by its own drive source; A base slidably installed by a slide cylinder along a guide groove of the electric vehicle; A turntable rotatably fixed to an upper surface of the base; A conveying member installed on the turntable so as to draw out a table roll of a rolling line; It is achieved by constructing a tongs fixed to one end of the transfer member to mount or take out the table roll.

Hereinafter, a preferred embodiment according to the present invention will be described in more detail on the basis of the accompanying drawings.

Figure 1 is an external perspective view of the table roll changer according to the present invention briefly showing the working process.

According to FIG. 1, the table roll changer of the present invention includes an electric vehicle 100, a base 200 slidably installed on a bottom surface of the electric vehicle 100, and rotatably fixed on the base 200. The turntable 500 is constituted by a roll conveying member 300 for removing or mounting the table roll R of the rolling line.

The electric vehicle 100 has a control panel (P) is installed so that the operator can ride to replace the table roll (R) for hot coil transfer, therein storage battery, hydraulic motor, hydraulic pump, electric vehicle not shown Drive casters, drive motors, brake means, etc. are incorporated.

In addition, a loading stand 110 is provided at an adjacent position of the electric vehicle 100, and the loading stand 110 is a means for temporarily storing a new table roll to be placed or mounted on the removed table roll R. to be.

Since the loading rack 110 is to accommodate the roll (R) is a large size of the heavy material because the size and weight is also very large, but not shown in the drawings for the convenience of the movement means, such as wheels or the electric vehicle 100 Of course, it can be provided with a moving means to always move in parallel to keep pace with.

However, since the configuration of the loading rack 110 is an additional element of the present invention, it is out of the question, and a plurality of receiving grooves 112 are formed on the upper surface of the roll R to form a concave-convex shape.

Figure 2 is a perspective view showing in detail the table roll conveying member according to the present invention.

As shown, the conveying member 200 of the present invention is a lift cylinder 310 installed in the center of the turntable 500, a guide frame 330 fixed perpendicularly to the lift cylinder 310 and the guide A forward and backward frame 342 provided to be pulled out of the frame 330, and a forward and backward cylinder 340 for controlling the forward and backward operation of the forward and backward frame 342.

The lift cylinder 310 is capable of lifting and lowering, and is capable of raising and lowering the guide frame 330 connected to the cylinder rod on the upper end thereof.

In addition, a pair of support bars 320 are placed on the turntable 500 at positions opposite to each other with respect to the lift cylinder 310, and the guide frame 330 is fixed to the lower surface of the guide frame 330. When the lift cylinder 310 is operated by the support fixed without flow.

To this end, the support bar 320 is composed of a tube 322 fixed on the turntable 500 and a rod 324 slidably fixed along the tube 322.

Therefore, when the lift cylinder 310 moves up and down, the rod 324 inserted into the tube 322 is also interlocked with the lift cylinder 310 in the same direction.

Thus, the guide frame 330 is not shaken by maintaining the balance according to the lifting and lowering operation of the guide frame 330.

The front and rear cylinders 340 are built in one end of the guide frame 330, and the cylinder rod (not shown), which is an end thereof, is installed in the guide frame 330 in a slidable direction along its longitudinal direction. Frame 342 is connected.

Thus, the forward and backward frame 342 is movable in the forward and backward direction by the operation of the forward and backward cylinder 340.

In addition, the tong portion 400 to be described later is fixed to the end of the forward and backward frame 342.

Figure 3 is a perspective view and an exploded perspective view of the forceps part constituting the table roll exchange apparatus according to the present invention.

According to Figure 3, tongs 400 of the present invention is fixed to the end of the forward and backward frame 342 is configured so that the first and second tongs (422, 424) can be engaged with each other to mount the axis of the table roll (R).

That is, the center axis 430 is formed to extend on one end surface of the forward and backward frame 342, the center axis 430 is rotated in a direction opposite to each other about the center axis 430 is operated to engage with each other First and second tongs 422 and 424 are fixed by washers 426 and bolts 428.

In addition, a tongs operation cylinder 420 having a cylinder rod fixed to the second tongs 424 is installed on the upper surface of the first tongs 422.

Thus, the first and second tongs 422 and 424 are interlocked with each other according to the operation of the tongs-operating cylinder 420.

On the other hand, one side of the end portion of the forward and backward frame 342, which is an adjacent position of the forceps 400, that is, the surface parallel to the installation direction of the forceps 400 is operated through the forward and backward frame 342 Roll balance maintaining cylinder 410 is installed.

The roll balance holding cylinder 410 performs a function of maintaining the horizontal so that the table roll R is not struck when the axis of the table roll R is gripped by the forceps 400.

4 is a perspective view showing the main components of the base and the turntable constituting the table roll exchange device according to the present invention.

According to the drawings, the base 200 of the present invention is rotatably installed on the upper surface of the turntable 500, one side thereof is provided with a drive motor 230 for driving the turntable 500, the rear A locking piece 210 protruding in a '凸' shape along the long side length direction is formed.

The locking piece 210 is inserted into the guide groove 220 of Figure 1 and then slide along the guide groove 220, one side of the guide groove 220 for smooth insertion of the locking piece (210) The cross section is preferably formed to be open.

In addition, a sliding cylinder 240 for slidably operating the base 200 in a forward and backward direction is installed at one side of the lower surface of the electric vehicle 100, which is an adjacent position of the base 200.

To this end, one side of the slide cylinder 240 is fixed to the base 200 and the other side is fixed to the lower surface of the electric vehicle (100).

The turntable 500 is provided with a sliding member 510 on its lower surface for smooth rotation, and the sliding member 510 is preferably a ball bearing or a roller.

In addition, the sliding member 510 is installed on the surface of the base 200 where the turntable 500 is located.

In addition, a plurality of teeth formed on the outer circumference of the turntable 500 is engaged with the driving motor 230.

Thus, the gear is engaged with the gear fixed to the rotating shaft of the drive motor 230, for example, it is preferable to be engaged in the form of a spur gear.

In addition, it is a matter of course that the rotation speed of the turntable 500 can be adjusted by adjusting the number of teeth of the gear to be engaged (deceleration ratio).

The hot roll transfer table roll exchange device of the present invention having such a configuration is operated as follows.

When the worker rides on the electric vehicle 100 and moves to the work position, the replacement work of the table roll R is performed.

That is, the table roll (R) disassembled for replacement and repair after the end of life after being mounted on the rolling line is removed by the tongs 400. For this purpose, the lift cylinder 310 operates to guide the frame 330. Is raised.

When the guide frame 330 which is raised maintains a horizontal state with the table roll R, the forward and backward cylinder 340 operates to move the forward and backward frame 342 to a position adjacent to the roll axis of the table roll R.

In this way, when the forward and backward frame 342 is moved and at the same time the tongs 400 are in contact with the roll shaft, the first and second tongs 422 and 424 are opened by the operation of the tongs operation cylinder 420. It is mounted.

In this case, when the position selection of the forward and backward frame 342 is wrong, the slide cylinder 240 may be operated to finely adjust the position selection of the forward and backward frame 342.

Therefore, the roll shaft can be accurately mounted by the forceps 400.

Subsequently, the table roll R is drawn out while the forward and backward frames 342 are reversed again, and at the same time, the roll balance holding cylinder 410 is operated to keep the table roll R drawn out without flow. To be supported.

In this state, the turntable 500 is rotated by 180 ° by the rotational motion of the driving motor 230 receiving the signal, and after the rotation, the table roll R drawn out to the loading base 110 provided in the adjacent position is rotated. ).

Subsequently, the above-described process is operated in the reverse order to reassemble the new table roll provided in the loading rack 110 into the rolling line.

By repeating the above process, a plurality of table rolls R can be easily replaced.

As described in detail above, the hot roll transfer table roll exchange apparatus of the rolling line according to the present invention provides the following effects.

First, by using the table roll exchange device according to the present invention can easily replace the table roll of the weight body, the risk of safety accidents due to the use of a crane as in the past is significantly reduced.

Secondly, when the new table roll is reassembled, fine adjustment is possible so that the assembly can be performed accurately, thereby providing a disadvantage in that the occurrence rate of equipment troubles during the production of hot coils and equipment troubles during operation are significantly reduced.

Third, the table roll can be easily or quickly replaced or replaced.

Claims (3)

An electric vehicle 100 having a guide groove 220 formed on its bottom in a longitudinal direction and movably provided by its own driving source; A base 200 slidably installed by the slide cylinder 240 along the guide groove 220 of the electric vehicle 100; A turntable (500) rotatably fixed to an upper surface of the base (200); A conveying member 300 mounted on the turntable 500 to draw the table roll R of the rolling line so that the height can be adjusted; Hot rolled conveying table roll exchange apparatus for a rolling line, characterized in that consisting of a tong portion 400 fixed to one end of the transfer member 300 to mount or take out the table roll (R). According to claim 1, The transfer member 300 is fixed to the lift cylinder 310 and the rectangular cylindrical guide frame 330 is installed in the center of the upper surface of the turntable 500 is connected and fixed, The guide frame 330 is installed to face each other with respect to the lift cylinder 310 and is supported by a pair of support bars 320 that can be tensioned in the vertical direction. One end side of the guide frame 330 has a forward and backward cylinder 340 is built in, The other end side of the guide frame 330, the roll roll apparatus for transferring the hot coil of the rolling line, characterized in that the forward and backward frame 342, which can be pulled out by the forward and backward cylinder 340 is installed. The first and second tongs 422 and 424 of claim 1 or 2, wherein the tongs unit 400 is inserted into a central axis 430 formed at one end of the forward and backward frames 342 and rotatably fixed thereto. , A forceps operating cylinder 420 connected to the second tongs 424 through the first tongs 422 and fixed to flow them in opposite directions; The roll balancing cylinder is installed perpendicular to the forceps operation cylinder 420 and fixed to one side of the forward and backward frame 342 so that the cylinder rod protrudes in parallel with the first and second forceps 422 and 424. Table roll exchange device for hot coil transfer of the rolling line, characterized in that consisting of 410.