KR20040019699A - Cleaning device for preventing damage of roll - Google Patents

Abstract

PURPOSE: A cleaning device for preventing damage of roll is provided which improves quality of product and secures safety of working by automatically removing the foreign materials promptly and easily through a foreign material remover when foreign materials are transferred onto the surface of deflector roll in tension leveller. CONSTITUTION: The cleaning device comprises a foreign material remover base(61) fixed to a part extended from both side bearing blocks for rotationally supporting deflector roll; a shaft gear box(59) installed on an upper surface of the foreign material remover base so that the shaft gear box is moved in a length direction of the foreign material remover base; a knife base(44) which is rotationally axially fixed to the gear holes with being inserted into gear holes(65) of the shaft gear box, and the inside of which is stepped; air packs(42) comprising air charging members restingly fixed onto the stepped surface of the knife base; a knife(47) fixed onto the inside of the knife base with being spaced apart from the knife base in a certain gap so that the knife is pushed by air pressure of the air packs; and a knife cover(41) for covering an upper surface of the knife base to fix the air packs and knife, wherein the cleaning device further comprises an arc shaped foreign material pan(48) attached to an upper surface of the knife cover(41).

Description

Cleaning device for preventing roll damage {CLEANING DEVICE FOR PREVENTING DAMAGE OF ROLL}

The present invention relates to a device for removing foreign matter on the surface of the deflector roll in the tension leveler during the leveling operation in the tension leveler for correcting the shape of the iron plate, in particular if the installation space and the direction of rotation of the deflector roll is not limited The present invention relates to a cleaning device for preventing roll damage, which is capable of easily removing foreign matter attached to the surface of the deflector roll without damaging the surface.

Generally, in order to manufacture steel products, as shown in Fig. 1, a coil 2, which is a raw material, is charged to the pay-off reel 4, and the end thereof is drawn out to guide guide 5, pinch roll 6, and flare. After going through the wrench (7), the shear (8), the magnetic conveyor (9), the welding machine (10), the tension leveler (15) is subjected to a surface inspection process on the inspection table (13).

In particular, the flattener (FLATER) (7) is to straighten the shape of the front end of the strip (1) so as not to cause an obstacle during the mailing work, and also in the shearing machine (8) to cut and remove the defective portion of the front end, In the welder 10, the supplied strip 1 and the strip under manufacture are integrally welded, and then the shape of the strip 1 is corrected through the tension leveler 15.

However, during leveling of the shape defects in the steel product manufacturing process, foreign matters buried in the strip 1 are transferred to the deflector roll 30 in the tension leveler 15 to generate a tent defect DENT. .

In addition, since the distance from the tent to the location where the inspection can be confirmed is 22m, 70 ~ 80% of the material coils 2 leveling work scrapes 22m of strips 1 every coil 2 Will fall.

In addition, other unexpected dents may occur due to the fall of foreign objects due to the vibration of the equipment according to the speed of the strip 1 being worked during operation, which may cause a sharp drop in the quality of the product, causing dissatisfaction of the demand. do.

In order to suppress such dents, when the dents are confirmed, the tension leveler 15 is taken out of the off-line merchant facility, and the worker has to manually clean the foreign substances on the deflector roll 30, thereby increasing the workmanship. Of course, safety accidents such as a stenosis disaster and a significant decrease in productivity are caused.

The present invention was created in view of the above-described problems of the prior art as described above, and perfectly solves the foreign matters by driving the mechanical equipment rather than the manual operation without causing surface damage of the deflector roll when inducing a dent. It is an object of the present invention to provide a cleaning apparatus for preventing roll damage, which can be removed and cleaned.

1 is a process chart showing a tension leveler process of a typical strip,

2 is an exploded perspective view of the device of the present invention;

3 to 6 is a perspective view of the main part of the device of the present invention,

Figure 7a, b is an assembled state of the device of the present invention,

8 and 9 is an operating state of the device of the present invention.

Explanation of symbols on the main parts of the drawings

15 ... tension leveler 30 ... deflector roll

32..Air charger 35 .... Air injection pack

41 ... Knife cover 42 ... Air pack

43 .... Air filling 44 .... Knife base

47..Knife 48 ..

51 ..... Horizontal adjuster 54 .... Adjustment switch

66 .... Stopball

The above object of the present invention is to provide a debris removal device base fixed to a portion extending from both bearing blocks rotatably supporting the deflector roll; A shaft gear box is installed on an upper surface of the debris removal device base so as to be movable in the longitudinal direction thereof; A knife base having a stepped inner surface rotatably fixed in the gear hole of the shaft gearbox; It is provided with an air pack having an air filling hole is fixed to each side of the knife base; Fixing the knife with a play to push the inner surface of the knife base by the air pressure of the air pack; It is achieved by providing a cleaning apparatus for preventing roll damage, characterized in that it comprises a knife cover for covering the upper surface of the knife base to fix the air pack and the knife.

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

In FIG. 2, the knife fixing part 100 which fixes the knife 47 for removing the foreign material has a knife 47 by the knife stopper 60 in the knife base 44 with the knife 47 at the rear thereof. It is fixed so as not to be pushed backward, the knife stopper 60 is preferably horizontally and beautifully processed in a straight line with the knife 47.

The air pack 42 is installed on both sides of the knife 47, the air pack 42 is preferably formed of a tough and elastic rubber material.

In particular, the fixing hole 49 portion of the air pack 42 is preferably made of a strong and hard material.

An air filler 43 is formed at one end of the air pack 42, and when the air is charged to the air filler 43 with the air charger 32, the air inlet 43 is inserted into the air filler 43 as shown in FIG. 3. The force is applied to the air injection pack 35 in a state in which the 34 is in close contact with air to charge the air pack 42 to maintain the desired pressure through the pressure gauge 33.

In addition, the air pack 42 preferably has a conventional structure such that the air inside the air pack 42 does not leak to the outside even after leaving the air inlet 34 after filling the air, and a pointed rod and The same thing is configured to push out the air filling port 43 of the air pack 42 to extract the air.

In addition, the knife base 44 and the knife cover 41 are fixed to the fixing holes 49 of the air pack 42 by the fixing keys 50 attached to the respective air holes 42.

At this time, the knife base 44 and the knife cover 41 are fixed to each other by fixing bolts 40 from the outside of the air pack 42 installed on both sides of the knife 47.

The knife base 44 and the gear shaft 45 are fixed to one body so that the pinion gear 56 and the adjustment switch 54 can be engaged with the combined parts of the body so as to rotate the knife fixing part 100. Is installed.

Here, when the adjustment switch 54 is fixed to the pinion gear 56 with the fixing pin 53, first, the thread of the rotation adjusting plate 62 and the thread of the gear hole 65 are aligned with each other and then inserted to the desired position. As shown in FIG. 4, the fixing nut 46 is turned to fix the rotation adjusting plate 62.

Subsequently, the return spring 67 and the stop ball 66 are inserted into the adjustment switch 62 and then fixed to the grooves of the rotation adjusting plate 62 by the force of the return spring 67. It is preferable to prevent the surface damage when the knife fixing part 100 exerts an excessive force on the surface of the deflector roll 30 of FIG. 6 due to its own weight.

Meanwhile, as shown in FIG. 5, the foreign material removing device base 61 is fixed to the deflector roll 30 in the left and right bearing blocks 31 of FIG. 6, in which the foreign material removing device base 61 is paired. It is preferable to install the horizontal and vertical state to match each other.

In addition, as shown in FIGS. 4 and 5, the hole center of the gear hole 65 and the rotation adjusting plate 62 in the shaft gear box 59 coincide with each other, and the rotation adjusting plate 62 is fixed to the shaft gear box 59 and the fixing nut. Fasten to 46 to form a body and then insert the pinion gear 56 into the rotation control plate 62 to be installed rotatably.

In the state where the ball spring 67 and the stop ball 66 are inserted and assembled to the adjustment switch 54, the adjustment switch 54 and the pinion gear 56 are fixed to one body with the fixing pin 53, and the adjustment is performed. When rotating the switch 54, the pinion gear 56 is configured to rotate the knife fixing part 100.

At this time, when the driver rotates the adjustment switch 54 and rotates along the groove of the rotation adjusting plate 62 by the sliding operation of the stop ball 66 by the ball spring 67, the stop switch stops the adjustment switch 54. (66) is caught in the groove of the rotation adjusting plate 62 to allow the pinion gear 56 and the knife fixing part 100 to stop the rotation to stop at the desired position.

Subsequently, the groove position of the rotation adjusting plate 62 is selected and fixed with the fixing nut 46 so that the knife 47 does not contact the surface of the deflector roll 30 using a current meter ('500' in FIG. 6). By using it, foreign matter remaining on the surface of the deflector roll 30 can be removed without damaging the surface of the deflector roll 30.

That is, if the operating relationship by the above-described configuration is briefly described as follows.

The upper base 16 and the lower base 17 of the tension leveler 15 as shown in FIGS. 8 and 9 are pulled out of the line to check and adjust the installation state of the apparatus of the present invention.

At this time, in the deflector roll 30 of the upper base 16, the removed foreign material falls back to the upper part of the deflector roll 30 to prevent the transfer to various rolls installed at the rear of the tension leveler 15. It is desirable to be able to collect the foreign matter through the foreign matter receiver 48 as in b.

In addition, the knife 47 is preferably installed so that the blade end of the knife 47 meets the surface of the deflector roll 30 and maintains 45 °.

And, when using the air charger 32 to charge the air into the air pack 42, the operator first inserts the air inlet 34 into the air filler 43 and then hold the air injection pack 35 by hand While checking the pressure gauge 33 visually, pressure is applied to the air injection pack 35 and air is filled in the air pack 42.

The air pressure on the pressure gauge 33 is 0.3 kg / cm 2 to 0.5 kg / cm 2, and the pressure of the upper and lower air packs 42 is equally adjusted so that the air pack 42 holds the knife 47 and the deflector roll 30. In the process of being in close contact with the surface of the deflector roll 30 to prevent the surface damage of the deflector roll 30 by preventing the central portion sagging or waved by the self-weight of the knife 47 in a straight state, and also the surface of the deflector roll 30 It will play a role to completely remove foreign substances.

When the knife 47 is brought into close contact with the surface of the deflector roll 30, first, the knife fixing part 100 is moved backward using the horizontal adjuster 51, and then the angle of the knife 47 is adjusted by turning the adjustment switch 54. After adjusting to 45 degrees, the knife fixing part 100 is brought closer to the deflector roll 30 by using the left and right horizontal adjusters 51, and then the surface of the deflector roll 30 and the knife 47 are aligned with each other. Adjust to be in contact simultaneously.

Subsequently, the adjustment switch 54 is rotated to the right to confirm that the knife 47 is separated from the surface of the deflector roll 30, and then the positive electrode 68 is moved to the knife 47 by using the current meter 500. And the pole 69 is grounded on the surface of the deflector roll 30 to adjust the angle of the knife 47 with the rotation adjusting plate 62 while turning the adjustment switch 54 back to the left little by little. Again check whether the conductor surface of the deflector roll (30) is in contact with the surface at the same time in a straight line at the same time, when the current value appearing on the current meter 500 is ZERO to complete the adjustment work.

If any one side of the knife 47 is in contact first, it is preferable to readjust the horizontal adjuster 51 on the side in contact with the back .

In this manner, when the adjustment is completed, the upper base 16 and the lower base 17 of the tension leveler 15 are mounted in the on-line merchant facility, and then the upper base 16 and the lower base 17 are mutually connected. By performing a CLOSE, the roll of the tension leveler 15 is pressed against the strip 1 to level.

As described in detail above, in the present invention, when foreign matter is transferred to the surface of the deflector roll in the tension leveler, the foreign matter removal device can be quickly and easily removed automatically to prevent dents, which are product defects, thereby improving product quality and consequently. The safety of the work is also secured by reducing the man-hour of phosphorus cleaning work.

Claims (2)

Fixing the debris removal device base 61 to a portion extending from both bearing blocks 31 rotatably supporting the deflector roll 30; A shaft gear box 59 is installed on an upper surface of the debris removing device base 61 in a longitudinal direction thereof; A knife base (44) fitted with a gear hole (65) of the shaft gear box (59), the shaft base being rotatably fixed, and having a stepped inner surface; An air pack (42) having air fillers (43) which are respectively seated and fixed on the cut-out surface of the knife base (44); Fixing the knife (47) to the inner surface of the knife base (44) with a play so as to be pushed by the air pressure of the air pack (42); And a knife cover (41) covering the upper surface of the knife base (44) to fix the air pack (42) and the knife (47). The method of claim 1, Cleaning device for preventing roll damage, characterized in that the upper surface of the knife cover (41) is provided with an arc-shaped foreign material receiving (48).