KR200278279Y1 - Billet charging position compensation device - Google Patents

Abstract

The present invention relates to a device for compensating the charging position of the billet,

The contact roller 11 in contact with the billet 4 is rotatably mounted to the rotating shaft 13 assembled to the roller head 12, and the roller head 12 has a pin member 17 in the tip pin hole 14d. ), The skid plate (14a) is fixedly installed in the lower mounting groove (14e), a fixed length bolt 16 is fastened to the rear end tap hole (14c), and the coil spring (15) is disposed. A pair of link plates 23 having a push part 10 having a push shaft 14 to be fixed, and a guide tube 21 to which the push shaft 14 is assembled so as to be movable forward and backward. Is provided with a base 22 mounted on the lower surface, a plurality of guide rollers 27 are provided on the upper portion of the guide tube 21 in contact with the smooth surface 14b of the push shaft 14, the skid plate A guide portion 20 having a hole 26 formed therein through which the 14a protrudes, and a through hole 21c formed on the rear surface of the adjusting bolt 16; The hinge roller 37 is rotatably mounted to one end of the lever roller 32 in contact with the lower end of the kid plate 14a, and is hinged to the hinge hole 31a that coincides with the pin hole 23a of the link plate 23. The lifting lever 31 is fitted therein, and at the other end of the lifting lever 31, a plurality of roller bases 34 rotatably provided with a plurality of slip rollers 35 in contact with the lower surface of the billet 4 are provided. It provides a billet charging position compensation device including a lifting portion 30 having.

Description

Billet charging position compensation device

The present invention relates to a device for compensating the charging position of the billet, more specifically the billet by using the excessive progress force of the billet mainly generated during the transfer operation of the billet to the heating furnace through the charge conveyor in the transport equipment The present invention relates to a billet charging position compensation device for easily compensating a position on a billet so that the seat is accurately seated at the most appropriate charging standby position.

In general, in order to produce a coil 2 in a wire mill of a steel mill, an apparatus such as a storage bank transfer facility (hereinafter referred to as a transfer facility) as shown in FIGS. 1 (a) and (b) is shown. The billet is transported to the charging standby position and then put into a heating furnace, and the equipment includes an electric motor 91, a first reducer 92, a second reducer 93, a lift and a lower portion, A charging section comprising a forward and backward section having a hydraulic cylinder 94, a fixed section composed of a moving beam 95 and a fixed beam 96, and an electric motor 98 for driving the charge conveyor roller 97; Consists of a stopper 99 and a billet guide (99a) consisting of the induction part is to transfer the billet (4) for coil production in the wire rod factory.

On the other hand, the operation of the transfer facility 100 for sequentially transporting a plurality of billets (4) mounted on the movable beam 95, the fixed beam 96 to the stopper 99 of the charging standby position, first, FIG. In the initial state shown in 2 (a), when the electric motor 91 of the lowering part is driven to rotate, the eccentric lifting wheel which is decelerated by the reducers 92 and 93 is in contact with the lower end of the moving beam 95. (Lifting Wheel) 81 rotates the moving beam 95 and the billet 4 mounted on the upper surface by the set amount of eccentricity (100 mm) to the upper portion, as shown in Fig. 2 (a). Let's do it.

When the lifting operation of the movable beam 95 is completed and the hydraulic cylinder 94 fixed to the bottom base surface is moved forward by a predetermined length of about 198 mm as shown in FIG. 2 (c), the hydraulic cylinder ( The moving beam 95 spaced apart from the fixed beam 96 by the crank lever 94a connected between the moving beam 95 and the moving beam 95 is moved forward to a predetermined length of the stopper 99 to move on the moving beam 95. The billet 4 can be moved. When the forward operation of the hydraulic cylinder 94 is completed, as shown in FIG. 2 (d), the eccentric lifting wheel 81 is rotated again by driving the electric motor 91 to move the moving beam ( After lowering the 95, the moving beam 95 is returned to its original position by the reverse operation of the hydraulic cylinder 94.

Accordingly, when the walking operation (cycle for performing the up, forward, down and backward movements continuously) of the transfer facility 100 is repeated 32 times, the moving beam 95 is fixed. A plurality of billets 4, which were placed on the beam 96 at an initial position 4a, are seated on the charge conveyor roller 97, and the billet guide 99a is driven by driving the electric motor 98 connected thereto. ) Is charged into a heating furnace (not shown). Here, the position where the billet 4 is seated on the charge conveyor roller 97 and stopped just in front of the contact surface of the stopper 99 is referred to as a charging stand position, and reference numeral 70 denotes a reject bed for separating a bad billet. 72 is a reject bar to which the stopper 99 is mounted at one end.

However, due to the repeated walking operation of the transfer facility 100, the billet 4 must be stopped at the charging standby position not exactly in contact with the side of the stopper 99 on the outlet side, and the billet 4 is waiting. The billet such as the moving beam 95, the contact portion of the fixed beam 96 liner, the bending of the billet 4 itself, the slip during transfer, and the poor stroke of the hydraulic cylinder 94. Due to the change of the basic meeting condition of the equipment for the normal transfer of (4), excessive excessive force is generated in contact with the stopper 99 in excess of the normal charging standby position of the transfer equipment 100, so that it occurs during the transfer operation. The charge conveyor roller 97 and the moving beam 95 may be unevenly worn or deformed due to excessive traveling force of the billet 4, overload of the hydraulic cylinder 94, breakage of the stopper 99, Problems such as premature damage and equipment damage due to collision with billet guide 99a Occurred.

In addition, an excessive occurrence of repair, adjustment work to prevent and maintain the transfer of the billet 4 to the correct position required during the automatic operation of the heating furnace in which the billet 4 is charged, heating furnace Problems of safety accidents due to charging troubles and unreasonable attempts by workers were exposed.

Therefore, the present invention is to solve such a conventional problem, the purpose of which is to set and maintain the proper position to reflect the current state and wear progress of the charge conveyor roller, the moving beam, the stopper, the hydraulic cylinder, In response to excessive progression, the excess force of the billet is canceled out immediately, and the charging standby position of the billet required for the automation work is continuously and stably maintained, and the processing range of the charging standby position of the normal billet is wide. It is to provide a billet charging position compensation device for automatic operation of the furnace heating.

1 (a), (b) is a plan view, a side view, showing a general transport equipment,

Figure 2 (a) to (d) is a working state showing the repetitive walking operation of the general transport equipment,

3 is an exploded perspective view showing a push unit constituting a billet charging position compensation device according to the present invention,

Figure 4 is an exploded perspective view showing a guide portion and a lifting portion constituting the billet charging position compensation device according to the present invention,

Figure 5 (a) is a cross-sectional view showing an initial state of the billet charging position compensation device according to the present invention, Figure 5 (b) is a sectional view showing the operating state of the billet charging position compensation device according to the present invention.

Explanation of symbols on the main parts of the drawings

4 ....... Billet 10 ..... Pushbu

11 ...... Contact roller 12 ..... Roller head

14 ..... Push Shaft 14a .... Skid Plate

15 ..... Coil Spring 16 ..... Adjusting Bolt

20 ..... Guides 21 ..... Guides

22 ..... Base 23 ..... Link Plate

25 ..... Roller Ball 27 ..... Guide Roller

30 ..... lifting part 31 ..... lifting lever

32 ..... Lever Roller 34 ..... Roller Base

35 ..... Slip Roller 37 ..... Hinge Pins

The present invention as a technical configuration for achieving the above object,

In the transfer facility for charging a plurality of billets mounted on a moving beam, a fixed beam into a heating furnace,

The contact roller in contact with the billet is rotatably mounted on a rotating shaft assembled to the roller head, the roller head is pivotably assembled as a pin member in the tip pin hole, and a skid plate is fixedly installed in the lower mounting groove, A push part having a push shaft in which a fixed bolt of a predetermined length is fastened to a tap hole, and a coil spring is disposed;

A guide tube fixed to the upper surface to which the push shaft is assembled to move forward and backward, and having a base having a pair of link plates mounted on the lower surface, and a plurality of upper surfaces of the guide tube contacting the smooth surface of the push shaft. Guide rollers are installed, and the guide unit has a perforated hole formed at the bottom of the skid plate protruding therefrom, and a through hole formed in the rear side of the adjusting bolt;

The lever roller which is in contact with the lower end of the skid plate is rotatably mounted at one end, and has a lifting lever into which a hinge pin is fitted in a hinge hole that matches the pin hole of the link plate, and the billet at the other end of the lifting lever. By providing a billet charging position compensation device characterized in that the slip roller in contact with the lower surface of the track comprises a lifting portion having a plurality of roller base rotatably installed.

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

Figure 3 is an exploded perspective view showing a push portion constituting a billet charging position compensation device according to the present invention, Figure 4 is an exploded perspective view showing a guide portion and a lifting portion constituting the billet charging position compensation device according to the present invention. 5 (a), (b) is an operating state diagram showing a billet charging position compensation device according to the present invention.

Billet charging position compensation device 1 according to the present invention, as shown in Figures 3 to 5, the billet in response to the excessive progress of the billet (4) conveyed by the transfer facility 100 At one end of the ejector arm 72 in which the stopper 99 is installed to offset the excessive traveling force of (4) and to keep the charging standby position of the billet 4 required for the automation work continuously and stably. By being welded, this device 1 consists of a push part 10, a guide part 20 and a lifting part 30.

That is, the push part operated by the excessive traveling force (F1) of the billet (4) to be transferred to the stopper 99 position of the charging standby position by the repetitive circulation operation of the moving beam 95 of the transfer facility ( 10, as shown in Figure 3, one side of the roller head via the ball bearing (11a), the spacing (11b) in which the contact roller 11 in contact with the billet (4) is fitted to the rotating shaft (13) And a key plate 13a fixed to the roller head 12 as a fastening member 13b on the rotating shaft 13 so as to be difficult to detach from the outside, and a holder on one side of the roller head 12. The plate 12a is mounted.

In addition, the roller head 12 is a billet conveyed as it is mounted as a pin member 17 in the tip pin hole (14d) of the push shaft (14) which is fitted to be able to move forward and backward on the inner peripheral surface of the guide tube 21 to be described later (4) and the contact roller 11 in contact with the pin member 17 is rotated in the up and down direction by the rotation axis, and the pin member fitted into the pin hole (12b) of the roller head 12 ( At the end portion of 17), a split pin 17a is fitted so that external detachment is difficult, and a washer 17b is mounted.

In addition, the push shaft 14 has a horizontal smooth surface (14b) is formed in the longitudinal direction at the top, and the skid plate (14a) is welded vertically fixed to the lower mounting groove (14e), the rear end tap hole ( 14c) is fastened to one end of the adjustment bolt 16 of a predetermined length in which the coil spring 15 having a predetermined elastic force is disposed, and is exposed to the outside through the through hole 21c of the guide tube 21 to be described later. The other end of 16 is provided with a nut member 16a.

In addition, the guide part 20 for guiding the forward and backward movements of the push shaft 14 is fixed to the upper surface of the guide tube 21 into which the push shaft 14 is inserted. A base 22 is provided, and a plurality of perforated roller holes 25 formed in the upper part of the guide tube 21 are provided with guide blocks 24, and both ends of the guide rollers 27 are rotatably installed. By installing the outer circumferential surface of the guide roller 27 in contact with the smooth surface 14b of the push shaft 14, the linear movement of the push shaft 14 before and after the load transfer is smooth, and, In the upper surface of the base 22 is formed through the rectangular hole 22a through which the skid plate 14a protruding downward mounted through the long hole 26 formed in the lower portion of the guide tube 21 through the bottom, A pair of link plates 23 are mounted on the lower surface, respectively. Here, the square hole (22a) and the long hole (26) is a smooth movement of the skid plate (14a) along with the push shaft 14 is moved forward and backward by the excessive traveling force of the billet (4). It is desirable to penetrate to a length sufficient to produce.

On the other hand, the lifting unit 30 for raising the billet 4 in conjunction with the excessive traveling force of the billet 4, as shown in Figure 4, the skid plate exposed to the lower portion of the base 22 One end portion of the lifting lever 31 in contact with the inclined lower end portion of 14a is provided with a lever member 32 which is rotatably mounted to the rotating shaft 33 together with the bearing member 32a. The split pin 33a and the washer 33b are inserted into one end of the split pin 33a and the washer 33b so as to make it difficult for external detachment. In addition, the roller base 34 is fixedly installed at the other end of the lifting lever 31, and the slip roller 35 rotates through the bearing member 36a in each of the square holes 34a provided in a plurality of upper sides thereof. The lower surface of the billet 4 is in contact with the upper side of the slip roller 35 by installing the rotary shaft 36 to be mounted as possible.

In addition, as the hinge pin 37 is fitted into the hinge hole 31a formed in the middle of the length of the lifting lever 31 in accordance with the pin hole 23a of the link plate 23, the skid plate ( When one end of the lifting lever 31 in contact with 14a) is lowered by a load transmitted to the lower side, the other end of the lifting lever 31 provided with the roller base 34 has the hinge pin 37 as the center of rotation. On the contrary, it is rising. Here, the split pin 37a and the washer 37b are mounted on the ends of the hinge pins 37 so that external detachment is difficult.

Referring to the operation and effects of the billet charging position compensation device having the configuration as described above are as follows.

That is, the billet charging position compensation device 1 according to the present invention is a billet welded to one end of the reject arm 72 is installed, the stopper 99 is installed on the outlet side of the transfer facility (100) It is operated in conjunction with the excessive traveling force of 4), as shown in Figure 2 (a) to (d) a plurality of billets placed on the moving beam 95 by the repetitive walking operation of the transfer facility 100 If the wedge 4 generates excessive traveling force F1 beyond the normal charging standby position immediately before the stopper 99 due to the change of the basic meeting condition of the equipment for the normal transfer, as shown in Fig. 5, Since the billet 4 and the contact roller 11 which generate excessive traveling force F1 are pushed to one side (right side in the drawing) while being in close contact with each other, the roller head 12 and the guide tube 21 connected thereto are The assembled push shaft 14 is moved in the direction indicated by arrow F2, and the coils disposed at the rear end and inside the guide tube 21 are disposed. And compressing the ring 15, the other end of the adjusting bolt 16 is projected to the outside as compressed amount (Y) a predetermined length of the coil spring 15 through the through hole (21c) of the guide tube 21.

Then, the skid plate 14a of the push shaft 14 linearly moving to one side (right side in the drawing) so that the compression amount Y of the coil spring 15 is generated by the excessive traveling force of the billet 4. As the inclined lower end is in contact with the lever roller 32 mounted at one end of the lifting lever 31, one end of the lifting lever 31 is lowered in the direction of the arrow A1, while the lifting lever 31 is ) The other end is raised in the direction of arrow A2 about the hinge pin 37 fitted in the pin hole 23a and the hinge hole 31a of the link plate 23. At this time, since the length of the other end on which the roller base 34 is installed is shorter than the length of one end of the lifting lever 31 on which the lever roller 32 is mounted, the other end of the lifting lever 31 by lever lever principle. The rising force is greater than the lowering force transmitted to one end.

The other end lifting operation of the lifting lever 31 raises the roller base 34 on which the slip roller 35 is mounted to lift the billet 4 placed on the moving beam 95, and the billet At the moment when the wedge 4 is lifted up by the moving beam 95, the coil spring 15, which is compressed in the guide tube by the movement of the push shaft 14, is expanded by the elastic restoring force to billet the push shaft 14. When the roller 4 is pushed to the side of the groove 4, the contact roller 11 in close contact with the billet 4 is moved by the elastic restoring force of the coil spring 15, and the billet 4 is moved to the excessive traveling force F1. Compensated by the amount of compression (Y) of the coil spring (15) contracted by this, wherein the position movement of the billet (4) is made smoothly on the slip roller 35 rotatably assembled to the rotating shaft (36) . One end of the lifting lever 31 is raised by the skid plate 14a which is moved back along with the push shaft 14, while the other end is lowered, so that the roller base is compensated and moved to the correct charging standby position. The billet guide 99a mounted on the (34) is seated on the charge conveyor roller 97, and the billet guide 99a without fear of problems such as impact with the billet guide 99a, dentition obstacle, pinching, etc. It is charged into the furnace by passing through).

That is, as the amount of compression Y of the coil spring 15 contracted as an excessive force F1 of the excessive billet 4 generated during the transfer operation of the billet 4 using the transport facility 100, the billet ( The process of compensating 4) to the opposite side to be separated from the stopper 99 to accurately compensate for the long pressure standby position is performed at a time when the traveling force F1 of the excessive billet 4 is applied to the coil spring 15. By reacting widely to the conditions and the degree of occurrence of excessive traveling force (F1), the billet (4) can be always waiting for the operator to load at the desired position, the return operation of the push shaft is the restoring force of the coil spring (15) And by the guide roller 27 is smoothly repeated.

According to the present invention as described above, the excessive traveling force (F1) of the billet generated during the process of transporting the billet (4) by the repetitive walking operation of the transfer equipment, the most optimal billet (4) By maintaining the charging standby position, the life of the transport equipment can be extended and repetitive repairs can be reduced.

And it is installed in the equipment that transfers the material by the walking operation which is continuously moving up, forward, down, and backward, and compensates the excessive progress of the material exceeding the set position without the need for additional system configuration, control, or electric device. As a result, it is possible to satisfy the requirements of the automatic operation conditions at low cost and to obtain a practical effect to prevent the safety disasters caused by excessive work.

Claims (1)

In a transfer facility for charging a plurality of billets 4 mounted on a moving beam 95 and a fixed beam 96 into a heating furnace, The contact roller 11 in contact with the billet 4 is rotatably mounted to the rotating shaft 13 assembled to the roller head 12, the roller head 12 is a pin member (14d) in the tip pin hole (14d) 17) is pivotally assembled, and the skid plate 14a is fixedly installed in the lower mounting groove 14e, and the adjustment bolt 16 of the predetermined length is fastened to the rear end tap hole 14c, and the coil spring 15 is A push section 10 having a push shaft 14 disposed thereon, The push shaft 14 is fixedly installed on the upper surface of the guide tube 21, which is assembled to move forward and backward, and has a base 22 having a pair of link plates 23 mounted on the lower surface. The upper part of the tube 21 is provided with a plurality of guide rollers 27 which are in contact with the smooth surface 14b of the push shaft 14, forming a hole 26 in which the skid plate 14a protrudes And guide portion 20 formed on the rear side of the through-hole 21c of the adjustment bolt 16, The lever roller 32 which is in contact with the lower end of the skid plate 14a is rotatably mounted at one end thereof, and the hinge pin 37 is connected to the hinge hole 31a that coincides with the pin hole 23a of the link plate 23. The roller base 34 is provided with a lifting lever 31 into which the sliding lever 31 is inserted, and a plurality of slip rollers 35 contacting the lower surface of the billet 4 are rotatably installed at the other end of the lifting lever 31. Billet charging position compensation device comprising a lifting unit having a.