KR200336260Y1 - Apparatus for jointing and disjointing the round roll of wire - Google Patents

Abstract

The present invention relates to a wire rolled ball roll dismantling and assembly device that can quickly and accurately work on dismantling and assembling a ball roll in a vertical stand (Roll Groove Type) in a wire rod rolling mill. In the device for disassembling and assembling the roll 10 from the rotary shaft 11, the center guide through-hole 21 that can penetrate the rotary shaft 11 while receiving the circular ball roll 10 is provided A circular case 20 formed in the center portion; A plurality of eccentric cams 30 rotatably coupled to a plurality of through holes 33 formed at predetermined intervals on side surfaces of the circular case 20; A circular gear 27 fixed to an upper portion of the multi-stage shaft 42 of each eccentric cam 30 and positioned on an upper surface of the circular case 20; Wire member, characterized in that consisting of a circular ring 26 is rotatably installed on the upper surface of the circular case 20, while the external gear portion 26a gear-coupled to the circular gear 27 is formed at regular intervals. Provided is a rolled ball roll disassembly and assembly apparatus.

Description

Wire roll dismantling and assembly device {APPARATUS FOR JOINTING AND DISJOINTING THE ROUND ROLL OF WIRE}

The present invention relates to a wire rolled ball roll dismantling and assembling device, and a wire rolled ball roll dismantling that can quickly and accurately work on dismantling and assembling ball rolls in a vertical stand (Roll Groove Type) in a wire rod rolling mill. And an assembly apparatus.

In general, wire rod rolling, as shown in Figure 1, by heating the hot billet (1) at a 160-degree angle rough stock (2) with a relatively large stock (Stock), intermediate finishing rolling (3) and finishing rolling ( The cross section is gradually reduced through 4), and the shears of 5-SH and 11-SH are installed for each group classified according to the reduced cross-sectional area. 17-SH denotes a Cobble Shear for finely cropping the material that is in progress throughout the manufacturing line by changing the rolling direction when Cobble occurs in the finishing rolling block (Block) 4.

The material forming the intermediate sand rolling (3) is made of Bar-In-Coil with a relatively large coil cross-section. The material is wound in a reeler, which is a cylindrical drum. ) Once again, the temperature is lowered by water cooling through rolling process, and then it is produced with a diameter of 5.5 ~ 13.0mm, which is converted into a spiral coil by a laying head (L / H) winder and dropped onto the conveyor to force air. It is cooled and then transported.

Figure 2 shows the working process of the conventional ball roll dismantling device, when the replacement work occurs due to roll wear, regular, irregular, changes in production size, first work for drawing out the used ball roll 10 first Loosen the guide fixing bolt 7-1 to disassemble the inlet guide 7 equipped with the funnel static and the guide roller, and extend the guide fixing bolt 8-1 of the outlet guide 8. When the hook 6 is lowered from the crane, the worker grasps the handles 9 of the jig operating shafts 5 on both sides of the ball roll 10 and the shaft 11, and the interference part water jacket; 13) When the jig 5 is completely lowered to avoid the entrance and exit guide holder table, after the crane stop signal is sent, the jig 5 is completely closed with both hands, and the two tackle locking keys (5-1) are indicated. -1) is inserted into the bottom of the roll and then the crane hoist signal To send, and hold until the combined roll 10 is completely out of the assembly shaft (11).

In the same manner as described above, in the process of clamping and drawing the ball roll 10, the ball roll, which is heavy by heavy binding or slipping or unsafe operation of the two locking keys 5-1, on the bottom surface of the roll ( 10) Falling safety accidents and expensive roll spatters, roll hopping and wire rope breakage when hoisting cranes with the assembly shaft 11 and center out of alignment, increase roll replacement time and load. The problem of weighting will occur.

In the same way, after assembling a roll to a conventional apparatus, when assembling, the rolling mill shaft 11 to which the hoisted roll 10 is to be assembled with the center of the roll in the air state is exactly vertical. After operating the crane, hold the handle (9) with both hands to support it so that it does not flow, and the center is not maintained in the roll seating operation so that the jig locking key (5-1) does not interfere with the water jacket (13) and the entrance / exit guide holder. There is a problem that a large amount of scrap (Scrap) is generated due to the poor quality of the material due to the roll loosening and detachment when the furnace roll 10 is inserted into the shaft by the hydraulic force when the assembly is in a horizontal state poor.

In order to solve the above problems of the prior art, the present invention provides a ball roll by providing an eccentric cam penetrating the outer circumference of the ball roll and the outer circumferential surface thereof and inserted into the caliber of the ball roll, and an apparatus for operating the ball roll. It is an object of the present invention to provide a wire rolled ball roll dismantling and assembly apparatus capable of assembling a new ball roll by dismantling it stably and quickly and accurately.

1 is a rolling process diagram showing a general wire rod manufacturing process;

2 is a conceptual diagram showing the configuration and use of the conventional ball roll dismantling apparatus;

Figure 3 is a perspective view showing the overall configuration of the wire rod ball roll dismantling and assembly apparatus according to the present invention;

4 is an exploded perspective view of a wire rolled ball roll dismantling and assembling apparatus according to the present invention;

5 is a functional diagram showing a state in which the wire rolled ball roll dismantling and assembly apparatus according to the present invention is seated on the ball roll to operate.

Figure 6 is a functional diagram showing a state in which the wire rod ball roll dismantling and assembly apparatus according to the present invention is dismantled by gripping the ball.

♣ Explanation of symbols for main part of drawing ♣

10: ball roll 11: rotary shaft 21: center guide through hole 20: round case

33: through-hole 30: eccentric cam 42: multi-stage shaft 27: circular gear

26a: External gear portion 26: Round ring

In order to achieve the above object, the present invention is a device for dismantling and assembling a ball roll rolling equipment in a rotating shaft, the center guide penetrating the rotating shaft while receiving the circular ball roll, A circular case in which a sphere is formed at the center; A plurality of eccentric cams rotatably coupled to a plurality of through holes formed at predetermined intervals on the side portions of the circular case; A circular gear fixed to an upper portion of the multi-stage shaft of each eccentric cam and positioned on an upper surface of the circular case; While the external gears gear-coupled to the circular gears are formed at regular intervals, it provides a wire rolled ball roll dismantling and assembling apparatus, characterized in that consisting of a circular ring rotatably installed on the upper surface of the circular case.

In addition, the present invention provides a wire rolled ball roll dismantling and assembling apparatus, characterized in that the inclined taper portion is formed to easily guide the rotating shaft through the center guide through hole formed in the center portion of the circular case. Will be

In addition, the present invention provides a wire rolled ball roll dismantling and assembling apparatus, characterized in that the circular ring is guided by an external guide roller and an internal guide roller installed on the upper surface of the circular case,

In addition, the present invention by the claw key is fixed to be able to flow in the through groove of the lower ratchet fixed to the circular case so that the eccentric cam is fixed to the multi-stage shaft, by the gear forming portion formed in the lower portion of the multi-stage shaft Provided is a wire rod ball roll dismantling and assembling apparatus characterized in that the position is fixed.

Hereinafter, with reference to the accompanying drawings will be described in detail the configuration of the subject innovation.

Figure 3 is a perspective view showing the overall configuration of the wire rod ball roll dismantling and assembly apparatus according to the present invention, Figure 4 is an exploded perspective view of the wire rod ball roll disassembly and assembly apparatus according to the present invention.

The apparatus according to the present invention, as shown in Figure 3, do not need to operate to guide the crane to the center exactly above the ball roll 10 that needs to be replaced, in the conventional method the inlet guide 7 and the outlet guide ( Dismantling and assembling work was possible only when dismantling 8), but the apparatus of the present invention is possible even in the state of disassembling and assembling the guides 7 and 8 without release of the guides 7 and 8.

In other words, the device of the present invention is composed of a hollow circular case 20 as the main body of the device.

The circular case 20 is manufactured in a rigid mold form of a metal material having an inner diameter that can accommodate the ball roll 10 in the form of a cap, and a predetermined interval (four places in the drawing) on the outer surface of the case 20. Through hole 33 is formed.

Upper and lower portions of the formed through hole 33 are fixed to brackets 28 and 39 through which the multi-stage shaft 42 capable of rotatably fastening the circular gear 27 to be described later is fixed.

In addition, the center portion of the circular case 20 is formed with a center guide through-hole 21 that can accommodate the rotary shaft 11 of the received ball roll 10, the lower outer portion of which is tapered upwards ( It is formed of a taper portion 21a serves to stably guide the rotary shaft 11 when accommodating the ball roll 10.

Eccentric cam that can be inserted into and supported by the caliber 10-1 of the ball roll 10 to the upper and lower brackets 28 and 39 fixed to the upper and lower portions of the through hole 33 formed in the outer surface portion of the circular case 20. 30 is rotatably mounted, the configuration of which is installed as follows.

That is, the eccentric cam 30 of the present invention is positioned between the upper and lower brackets 28 and 39, and the eccentric cam 30 is passed through the multi-stage shaft 42 at the lower portion of the lower bracket 39. Fix it to be rotatable.

Then, the fixing bolt 38 is inserted into and fixed to the eccentric cam 30 inserted into the multistage shaft 42 to be fixed on the shaft of the multistage shaft 42.

Circular gears 27 are axially fixed to the upper end of the multistage shaft 42, which is fixed through the eccentric cam 30 as described above, the shaft is fixed to the upper end of the multistage shaft 42, circular gear 27 After inserting the fixing key 36 is inserted into the gear 27 and the shaft end to take a manner of fixing with a fixing nut (37).

On the other hand, a gear processing portion 43 is formed in the lower portion of the multi-stage shaft 42 penetrating the lower bracket 39, which is a latch key 40 installed to flow through the lower bracket 39 Engaging with the gear processing portion 43 serves to prevent the multi-stage shaft 42 from rotating in the opposite direction.

The circular gear 27 fixed to the upper end of the multi-stage shaft 42 is configured as described above so that the gear portion protrudes into the upper surface of the circular case 20, the protruding circular gear 27 is the circular The gear is coupled to the external gear portion 26a of the circular ring 26 rotatably installed on the upper portion of the case 20.

At one point of the circular ring 26 is installed by rotating the handle 25 for rotation, the external gear portion 26a is to be formed at a predetermined interval on the location where the circular gear 27 is located. .

In addition, the circular ring 26 is installed to be rotatable on the upper surface of the circular case 20, when explaining the device portion constituting it as follows.

The external guide roller 31 and the internal guide roller 32 are formed on the outer surface and the inner surface of the upper surface of the circular case 20 and the external gear portion 26a of the circular ring 26 is not processed. Is installed.

That is, the external guide roller 31 is composed of a flat roller of the straight line to guide the circular ring 26 in contact with the outside, the internal guide roller 32 is composed of a T-shaped upper guide type to rotate It is guided in contact with the upper surface of the circular ring 26 to be made.

In the device of the present invention configured as described above, the wire rope is fixed to each of the fixing rings formed at the upper portion of the fixed shaft 22 fixed to both sides of the upper surface of the circular case 20, and the crane hook 6 at the center of the wire rope. ) To move up or down.

Hereinafter, the operation of the present invention will be described in detail.

5 is a functional diagram showing a state in which the wire rolled ball roll dismantling and assembling apparatus according to the present invention is seated on the ball roll to operate, Figure 6 is a wire rolled ball roll disassembly and assembly device according to the present invention grip the ball This is a diagram showing the disassembled state.

If the work occurs in the wire rod rolling process by changing production size, regular replacement by wear, irregular replacement by abnormal wear, etc., first, to disassemble the assembled ball roll 10, first, the circular case of the device of the present invention (20) After hooking the wire rope fixed on the top of the crane hook (6) to drive the crane hoisting.

By moving the device of the present invention, which is uplifted by the crane, sets an approximate center on the rotary shaft 11 of the ball roll 10 and then lowers the crane.

As shown in FIG. 3 with reference to the above-described configuration, when the device of the present invention is lowered, first, the circular case 20 wraps the ball roll 10 and the taper portion 21a is gradually narrowed while the inlet side is large. It is lowered to the center by the center guide through-hole 21 having a part,

The rounded case 20 is lowered from the two calibers 10-1 of the ball roll 10 so as to descend only to the middle portion of the collar 10-2 of the central boundary point (a phenomenon in which only the upper ball carvers are covered). 20) When the inner flat surface is in contact with the upper surface of the ball roll 10, the lowering action is stopped and the rotational position of the upper caliber 10-1 of the ball roll 10 and the four eccentric cams 30 Will match.

Thus, when the upper surface of the ball roll (1) and the inner surface of the circular case 20 is in contact with the crane operation inaccuracy, even if the lowering is made, it is possible to maintain a stable state that the device of the present invention is not tilted or released.

As described above, after the device of the present invention is lowered, as shown in FIG. 5, disassembly of the inlet guide 7 and the outlet guide 8 is unnecessary when mounting and seating the ball roll 10. Dismantling or assembling work avoiding the space where the jacket 13 is installed, the device of the present invention to the part where the ball carrier (10-1) is formed at a certain roll height to maintain a constant thickness of the roll and pass line Is activated and the interference avoiding operation becomes unnecessary.

As shown in Figure 5, in the method of seating the device of the present invention to wrap the ball roll (10) by holding the handle 25 of the circular ring 26 formed with the external gear (26a) when the operator rotates forward circular ring (26) Four circular gears 27 which are guided and corrected to the inner T-shaped internal guide roller 32 and the external flat roller external guide roller 31 and engaged with the external gear 26a are rotated. Will receive.

When the circular gear 27 is subjected to the rotational force, the eccentric cam 33 connected to the multistage shaft 42 fixed thereto is rotated at an angle of 180 degrees so that the high portion of the eccentric is moved to the caliber 10-1 of the ball roll 10. ) Into the inside,

In this case, the claw key 40, which can be engaged with the gear processing portion 43 of the rotated multi-stage shaft 42 and stopped so as not to rotate in the opposite direction, is automatically operated in the lower bracket 39, so that the eccentric cam 30 In the state in which the caliber 10-1 of the ball roll 10 is held, tightening is applied to prevent relaxation or deviation.

As described above, by rotating the circular gear 27 mounted at four places of the circular case 20, the claw key 40 of the eccentric cam 30 and the lower bracket 39 are operated at the same time.

In the state in which the ball roll 10 to be dismantled by the above operation is bound, the crane is lifted without the need for the worker to hold the auxiliary role until the roll 10 leaves the rotary shaft 11, and the ball arrives at the loading rack. The roll 10 is a device of the present invention when the handle 25 of the circular ring 26 is turned by reversing the direction telephone key 41 which determines the rotation direction of the brace key 40 mounted on the lower bracket 39. The roll 10 will be separated.

In the case of assembling the new ball roll 10, the same method as in the above-described disassembly method is applied to hold and transport, and the new ball roll 10 is inserted into the rotary shaft 11, and then the device of the present invention. If you cancel the operation can be achieved easily.

As described above, according to the present invention, the seat height is automatically controlled during the seat clapping operation of the ball roll for dismantling and assembling the ball roll, and at the same time, the caliber which is the concave part of the roll is rotated in consideration of the nerve and the menopause size of the roll. By using the eccentric cam to fix or release the ball roll, the crane signal and the jig of the position height and center adjustment are lowered to avoid the interference in the ball roll disassembly and assembly work. By eliminating cumbersome work, it reduces the burden of work due to the replacement of new ball rolls and prevents falling accidents during roll transportation. Especially, the process of dismantling and assembling new ball rolls is performed more quickly, which greatly improves the productivity of wire rods. There is.

Claims (4)

In the apparatus for dismantling and assembling the ball roll 10, which is a wire rod rolling equipment, on the rotary shaft 11, A circular case (20) having a center guide through hole (21) formed therein for receiving the circular ball roll (10) and allowing the rotary shaft (11) to pass therethrough; A plurality of eccentric cams 30 rotatably coupled to a plurality of through holes 33 formed at predetermined intervals on side surfaces of the circular case 20; A circular gear 27 fixed to an upper portion of the multi-stage shaft 42 of each eccentric cam 30 and positioned on an upper surface of the circular case 20; Wire member, characterized in that consisting of a circular ring 26 is rotatably installed on the upper surface of the circular case 20, while the external gear portion 26a gear-coupled to the circular gear 27 is formed at regular intervals. Dismantled and assembled device of rolled ball rolls. The method according to claim 1, Rolled wire rod, characterized in that the center guide through-hole 21 formed in the central portion of the circular case 20 is inclined tapered portion 21a is formed so that the rotating shaft 11 can be guided through easily Ball roll dismantling and assembly device. The method according to claim 1, The circular ring 26 is wire rod ball roll disassembly and assembly apparatus, characterized in that guided by the external guide roller 31 and the internal guide roller 32 installed on the upper surface of the circular case (20). The method according to claim 1, The eccentric cam 30 is a latch key 40 fixed to be movable in the through groove of the lower ratchet 39 fixed to the circular case 20 to fix the multi-stage shaft 42, and the multi-stage Wire rolled ball roll dismantling and assembling apparatus, characterized in that the position is fixed by the gear forming portion 43 formed in the lower portion of the shaft (42).