KR101144745B1 - Tension trouble absorber of slitting equipment for steel sheet coil - Google Patents

Abstract

The present invention relates to a tension anxiety absorbing device of the slitting device for steel sheet coil, the lifting plate coupled to the fixed beam; A height adjustment unit installed on the fixed beam and the elevating plate to adjust the height of the elevating plate; An installation box coupled to the upper portion of the elevating plate; A steel sheet coil guide unit installed at an upper portion of the installation box and guiding the transfer of the steel sheet coil supplied from the feed roller to the slitter; It is installed between the installation box and the steel plate coil guide portion and consists of a tension absorbing portion for absorbing the change in tension transmitted to the steel sheet coil.
Therefore, when a fine flow occurs in the steel sheet coil supplied from the feed roller to the slitter side by the driving of the feed roller or external impact, the flow is transferred to the rotating roller of the steel sheet coil guide portion and then to the compression coil springs of the tension absorbing portion. Accordingly, the compression coil springs are compressed and restored to absorb the change in tension generated in the steel coil. Therefore, since the steel sheet coil is supplied to the slitter at a constant tension, excessive stress does not act on the slitters for cutting the steel sheet coil, and thus the steel sheet coil is cut in a good state because the problem of damage to the slitter is prevented.

Description

Tension trouble absorber of slitting equipment for steel sheet coil

The present invention relates to a tension anxiety absorbing device of the slitting device for steel sheet coil, and more particularly, it is possible to improve the quality of the slitting product by absorbing the tension change generated between the feed roller and the slitter during the slitting operation A tension anxiety absorbing device for a slitting device for a steel sheet coil.

Steel sheet coils manufactured in steel mills are manufactured by hot rolling or cold rolling at a predetermined thickness, plated according to the characteristics of the product, and then cut by a cutting machine, wound and packed to have a constant diameter, and then shipped.

Since the steel sheet coils shipped as described above are manufactured with a relatively large width, the buyer who receives them is slitting into steel sheet coils having a constant width so as to be suitable for a product that will produce a relatively large steel sheet coil. They are respectively wound on the winding section of the winding roller and then repackaged.

1 is a schematic side view showing a conventional slitting device for a steel sheet coil, Figure 2 is a schematic plan view showing a state in which the steel sheet coil (1) is slit and wound into several strands of unit steel sheet coil (2), Referring to the process of winding the steel sheet coil (1) shipped with reference to the plurality of unit steel sheet coil (2) as follows.

First, a large steel sheet coil 1 is seated on the feed roller 3, and one end of the steel sheet coil 1 passes through the slitter 4. The steel sheet coil 1 supplied to the slitter 4 is slit into several strands of unit steel coils 2 having a relatively small width while passing therethrough. The slitting unit steel coils 2 are wound on a winding roller 5.

Here, the winding roller 5 is provided with a plurality of windings 5a partitioned so that the slitting of several strands of the unit steel coils 2 are wound at regular intervals. Therefore, the plurality of unit steel coils 2 slitting while passing through the slitter 4 are respectively wound on the corresponding winding portions 5a of the winding roller 5.

The unit steel coils (2) wound and slitting as described above are packaged to protect the outside without being unwound during the packing process, and the packed unit steel coils (2) are transported to a required place after being used for use. do.

However, such a conventional slitting device for steel sheet coils, when the steel sheet coil (1) mounted on the feed roller 3 is supplied to the slitter 4, when the tension suddenly changes in the left and right and up and down directions of the slitter ( It affects the knife of 4), causing the knife to break, and this knife break causes the quality of the slitting product to deteriorate.

That is, fine flow is generated in the steel sheet coil 1 supplied from the feed roller 3 to the slitter 4 by the driving of the feed roller 3 or external impact, and thus the steel sheet coil 1 has a steel sheet coil. The change in tension occurs in the advancing direction, the left-right direction or the up-down direction of (1).

As the tension change occurs in various directions on the steel sheet coils 1 supplied to the slitter 4 side, the stresses are applied to the slitters 4 cutting the steel sheet coils 1, There is a problem that the slitter 4 is damaged. When the steel sheet coil (1) is cut into damaged slitter (4), both sides of the cut unit steel sheet coil (2) is cut in a damaged state, if both sides are damaged when the product is made of unit steel sheet coil (2) damaged both sides The parts are not welded properly, which can lead to product defects.

An object of the present invention for solving the above problems is to provide a tension anxiety absorbing device of a slitting device for a steel sheet coil to absorb the change in tension generated in the steel sheet coil to be supplied to the slitter side.

Another object of the present invention is to provide a tension anxiety absorbing device of a slitting device for a steel sheet coil to easily adjust the height of the steel sheet coil guide portion.

In order to achieve the above object, the tension anxiety absorbing device of the slitting apparatus for steel sheet coil of the present invention is provided on one side of the feed roller and the feed roller to which the steel sheet coil to be slit is mounted, and the steel sheet coil has several thin and long strands. A fixed beam provided between slitters for continuous slitting with unit steel coils and fixed to a frame; A lifting plate coupled to the fixed beam; A height adjustment unit installed on the fixed beam and the elevating plate to adjust the height of the elevating plate; An installation box coupled to the upper portion of the elevating plate; A steel sheet coil guide unit installed at an upper portion of the installation box and guiding the transfer of the steel sheet coil supplied from the feed roller to the slitter side; It is installed between the installation box and the steel sheet coil guide portion, characterized in that consisting of a tension absorbing portion for absorbing the change in tension transmitted to the steel sheet coil.

In the tension anxiety absorbing device of the steel sheet coil slitting device of the present invention, the height adjustment portion, the height adjustment holes formed in a plurality in the vertical direction on both sides of the elevating plate, and other height adjustment so as to correspond to the height adjusting holes of the elevating plate Holes are formed and the bottom is fixed to the fixed beam and the lifting plate is coupled to the lifting plate on the front, the height adjustment holes of the fixed plate and the height adjustment holes of the lifting plate are fastened to the coupling bolt and coupling nuts to couple them.

Another feature of the tension anxiety absorbing device of the slitting device for steel sheet coil of the present invention, the height adjustment portion, a pair of vertical brackets are provided on both sides of the lifting plate and the lower end is fixed to the fixed beam, both ends of the vertical bracket A drive shaft coupled to the shaft to rotate, a handle coupled to one end of the drive shaft to rotate the pinion, a pinion coupled to the center of the drive shaft and rotated together with the drive shaft, and installed in the vertical direction on the front of the lifting plate in a longitudinal direction. It is engaged with and consists of a rack for elevating the lifting plate during the rotation of the drive shaft and pinion.

Another feature of the tension anxiety absorbing device of the slitting device for steel sheet coil of the present invention, the installation box, the front plate to secure the space so that the steel sheet coil guide portion is raised and guides the front and back when the steel sheet coil guide portion is elevated, And the height of the back plate is formed higher than the height of the left side plate and the right side plate, the lifting space is secured on the upper side of the left side plate and the right side plate.

Another feature of the tension anxiety absorbing device of the slitting device for steel sheet coil of the present invention, the steel sheet coil guide portion is installed on the upper portion of the tension absorbing portion and thereby elastically supported upwards, and when the tension of the steel sheet coil changes, Mounting bracket for absorbing the changed tension while flowing in the up and down direction, support shaft is installed so that both ends are rotated at both ends of the mounting bracket, bearings coupled on the support shaft, coupled to the bearings from the feed roller to the slitter side It supports the steel sheet coil to be supplied and consists of a rotating roller that flows with it when the steel sheet coil shakes.

Another feature of the tension-anxiety absorbing device of the steel sheet coil slitting apparatus of the present invention, the lifting support portion for guiding the lifting and lowering of the steel sheet coil guide portion is provided on the front and rear of the steel sheet coil guide portion, the lifting support portion, steel sheet coil guide Coupling shafts respectively installed at the front and rear of the bottom, bearing housings coupled to the coupling shafts, and bearing housings are coupled to each other, and a portion of the outer circumferential surface is in contact with the front and rear of the installation box, so that the steel sheet coil guides are located at the front and rear of the installation box. It consists of a ball bearing to be supported.

Another feature of the tension anxiety absorbing device of the slitting device for steel sheet coil of the present invention, the tension absorbing portion, the upper end is coupled to both sides of the steel sheet coil guide portion, the lower end is a pair coupled to both sides of the installation box can be elevated The bolt shafts of the bolt shafts, the nuts fastened to the lower ends of the bolt shafts and supported on the bottom of the installation box, and coupled to the circumferences of the bolt shafts, and the upper and lower ends thereof are supported by the steel sheet coil guides and the installation box so that the steel sheet coil guides are elastically upward. It consists of a compressed coil spring that absorbs the pressure exerted on the steel sheet coil guide part when the steel sheet coil is conveyed.

According to the present invention as described above, when a fine flow occurs in the steel sheet coil supplied to the slitter side from the feed roller by the drive of the supply roller or external impact, the flow is transferred to the rotating roller of the steel sheet coil guide portion and the tension absorbing portion It is transmitted to the compression coil springs, thereby compressing and restoring the compression coil springs to absorb the change in tension generated in the steel coil. Therefore, since the steel sheet coil is supplied to the slitter at a constant tension, excessive stress does not act on the slitters for cutting the steel sheet coil, and thus the steel sheet coil is cut in a good state because the problem of damage to the slitter is prevented.

The present invention, after loosening the coupling bolt and the coupling nut to adjust the height of the elevating plate and can be fixed to the height adjustment hole of the adjustable lifting plate and the height adjustment hole of the fixed plate by tightening the coupling bolt and the coupling nut again to fix the adjusted state. have. Therefore, the height of the steel sheet coil guide portion can be adjusted by a relatively simple method of attaching and detaching the coupling bolt and the coupling nut, thereby easily adjusting the guide position of the steel sheet coil.

Height adjustment portion of the present invention, the rack is installed on the lifting plate, the pinion for lifting the rack, it may be made of a handle for rotating the drive shaft coupled to the pinion. The height adjustment unit, the drive shaft and pinion is rotated when the handle is rotated accordingly the rack and the lifting plate is lifted. Therefore, the height of the elevating plate can be adjusted by a very simple operation of rotating the handle, and thus the guide position of the steel sheet coil can be easily and quickly adjusted.

1 is a schematic side view showing a state in which a conventional steel sheet coil is slitting
2 is a plan view of FIG. 1
Figure 3 is a schematic installation state perspective view showing a tension anxiety absorbing device of the slitting device for steel sheet coil of the present invention
Figure 4 is a front view showing the inside of the installation box of the tension anxiety absorbing device
Figure 5 is a side cross-sectional view of the installation box and the steel sheet coil guide
6A and 6B are schematic partial enlarged front views showing a state in which steel sheet coil guides are moved up, down, left and right according to a change in tension of the steel sheet coil;
Figure 7 is a schematic front view showing another embodiment of the height adjustment unit
FIG. 8 is a schematic side view of FIG. 7

Specific features and advantages of the present invention will become more apparent from the following description taken in conjunction with the accompanying drawings.

1 is a schematic side view showing a state of the conventional steel sheet coil is slitting, Figure 2 is a plan view of Figure 1, Figure 3 is a schematic installation state perspective view showing a tension anxiety absorbing device of the slitting device for a steel sheet coil of the present invention to be. Figure 4 is a front view showing the inside of the installation box of the tension anxiety absorbing device, Figure 5 is a side cross-sectional view of the installation box and the steel sheet coil guide, Figure 6a and 6b is a steel coil guide portion up and down according to the change in tension of the steel sheet coil And schematic partial enlarged front views showing a state of flowing from side to side.

The tension anxiety absorbing device of the slitting device for a steel sheet coil of the present invention, the fixed beam 11, the elevating plate 12, the height adjustment unit 17, the installation box 23, the steel plate coil guide 31, The lifting support part 37 and the tension absorbing part 42 are formed.

The fixed beam 11 is provided on one side of the feed roller 3 and the feed roller 3 on which the steel sheet coil 1 to be slitting is mounted so that the steel sheet coil 1 has a plurality of thin and long unit steel coils. It is provided between the slitters 4 for continuous slitting. One side of the fixed beam 11 is fixed to the frame 10.

One side of the fixed beam 11 is provided with a height adjustment unit 17, the height adjustment unit 17 is a lifting plate 12 is coupled.

The height adjusting unit 17 is installed on the fixed beam 11 and the elevating plate 12 to adjust the height of the elevating plate 12. The height adjustment unit 17, so as to correspond to the height adjustment holes 13 formed in the vertical direction on both sides of the lifting plate 12 to be described later, and the height adjustment holes 13 of the lifting plate 12. Other height adjustment holes 19 are formed, the lower end is fixed to the fixed beam 11, the fixed plate 18, the lifting plate 12 is coupled to the front, the height adjustment holes 19 of the fixed plate 18 and It is composed of a coupling bolt 20 and the coupling nut 21 is fastened to the height adjustment holes 13 of the elevating plate 12 to couple them.

The lifting plate 12 has a plurality of height adjustment holes 13 formed on both sides thereof to correspond to the height adjustment holes 19 of the fixed plate 18, and a pair of reinforcing brackets 14 are fixed to the front surface thereof. Fixing blocks 15 are fixed to the front surface of the steel plate 12 and the reinforcing bracket 14.

The installation box 23 is fixed to the upper portion of the fixing block 15 of the elevating plate 12.

The installation box 23 includes a bottom plate 24 fixed to a pair of fixing blocks 15, a front plate 25 and a back plate 26 coupled to the front and rear surfaces of the bottom plate 24, respectively, It consists of a left side plate 27 and a right side plate 28 respectively coupled to the left and right sides of the bottom plate 24.

The mounting box 23 is formed such that the height of the front plate 25 and the back plate 26 is higher than the height of the left side plate 27 and the right side plate 28. Therefore, the lifting space 29 is secured above the left side plate 27 and the right side plate 28. Therefore, the elevating space 29 is secured on both sides of the installation box 23 so that the steel plate coil guide 31 is elevated, and the front and rear surfaces of the installation box 23 are provided at the front and the rear of the steel plate coil guide 31. 25 and the back plate 26 guide.

The steel plate coil guide part 31 is installed in the upper part of the installation box 23, and guides the conveyance of the steel plate coil 1 supplied from the feed roller 3 to the slitter 4 side. The steel sheet coil guide 31 is composed of an installation bracket 32, a support shaft 33, bearings 34, a rotary roller 35.

The mounting bracket 32 is installed on the upper portion of the tension absorbing portion 42 to thereby be elastically supported upwards, and absorbs the changed tension while flowing in the left or right direction when the tension of the steel sheet coil 1 changes. Support shaft 33 is installed so that both ends are rotated at both ends of the mounting bracket (32). The bearings 34 are coupled on the support shaft 33. The rotary roller 35 supports the steel sheet coil 1 coupled to the bearings 34 and fed from the feed roller 3 to the slitter 4 side and flows with the vibration of the steel sheet coil 1.

The lifting support 37 which guides the lifting and lowering of the steel plate coil guide part 31 is provided in the front and back of the bottom face of the steel plate coil guide part 31. As shown in FIG.

The lifting support 37 is composed of coupling shafts 38, bearing housings 39, ball bearings (40). Coupling shafts 38 are provided at the front and rear of the bottom face of the steel plate coil guide 31, respectively. The bearing housings 39 are coupled to the ends of the coupling shafts 38. The ball bearings 40 are coupled to the bearing housings 39 and a part of the outer circumference thereof contacts the front plate 25 and the back plate 26 of the installation box 23 so that the steel plate coil guide 31 is installed. To be supported in front and rear of (23).

The tension absorbing part 42 is provided between the installation box 23 and the steel plate coil guide part 31 to absorb the change of tension transmitted to the steel plate coil 1.

The tension absorbing portion 42 is composed of bolt shafts 43, nuts 44, compression coil spring (45). The pair of bolt shafts 43, the upper end is coupled to both sides of the steel coil guide portion 31, respectively, and the lower end is coupled to the liftable on both sides of the installation box (23). The nuts 44 are fastened to the lower ends of the bolt shafts 43 and supported on the bottom of the installation box 23. Compression coil springs 45 are coupled to the circumference of the bolt shaft 43, the upper and lower ends are supported by the mounting bracket 32 of the steel sheet coil guide portion 31 and the bottom plate 24 of the mounting box 23, the steel sheet coil The guide part 31 is elastically supported upward and absorbs the pressure applied to the steel plate coil guide 31 when the steel plate coil 1 is transferred.

Such tension absorbing portion 42 serves to adjust the height of the steel sheet coil 1 passes and to absorb the up and down and left and right vibrations, this role may be made of a compression coil spring (45), It may be made of an air cylinder (not shown).

The tension anxiety absorbing device of the slitting device for a steel sheet coil of the present invention having such a configuration has the following characteristics.

The steel sheet coil 1 supplied from the feed roller 3 to the slitter 4 side is elastically contacted with the rotary roller 35 of the tension anxiety absorber of the present invention and then supplied to the slitter 4 side. At this time, fine flow is generated in the steel sheet coil 1 supplied from the feed roller 3 to the slitter 4 side by the drive of the feed roller 3 or an external impact.

When the flow occurs in the steel sheet coil (1) is transmitted to the rotary roller 35 of the steel sheet coil guide portion 31 and then to the compression coil springs 45 of the tension absorbing portion 42, thereby compressing the coil spring As the 45 are compressed and restored, they absorb the change in tension generated in the steel sheet coil 1.

Therefore, since the steel sheet coil 1 is supplied to the slitter 4 with a constant tension, excessive stress does not act on the slitters 4 cutting the steel sheet coil 1, and thus the slitter 4 is damaged. The steel sheet coil 1 is cut in a good state because the problem that is caused is prevented.

In addition, the present invention can simply adjust the guide position of the steel sheet coil (1) by the height adjustment unit (17).

That is, after loosening the coupling bolt 20 and the coupling nut 21 to adjust the height of the elevating plate 12, the height adjusting hole 13 and the height adjusting hole of the fixed elevating plate 12 ( 19) can be fixed by fastening the coupling bolt 20 and the coupling nut 21 again.

Therefore, the height of the steel plate coil guide part 31 can be adjusted by a relatively simple method of attaching and detaching the coupling bolt 20 and the coupling nut 21, and thus the guide position of the steel plate coil 1 can be easily adjusted.

7 is a schematic front view showing another embodiment of the height adjustment unit 47, Figure 8 is a schematic side view of FIG. The height adjustment unit 47 is composed of the vertical brackets 48, the drive shaft 49, the handle 50, the pinion 51, the rack 52.

The vertical brackets 48 are provided on both sides of the elevating plate 12, and the lower end is fixed to the fixed beam 11. Both ends of the drive shaft 49 are coupled to the vertical brackets 48 to be rotated. The handle 50 is coupled to one end of the drive shaft 49 to rotate it. The pinion 51 is coupled to the center of the drive shaft 49 and rotates together with the drive shaft 49. The rack 52 is elongated in the vertical direction on the front of the elevating plate 12, engaged with the pinion 51, and elevating the elevating plate 12 when the drive shaft 49 and the pinion 51 rotate. .

In the height adjusting part 47 of the present invention, when the handle 50 is rotated, the drive shaft 49 and the pinion 51 are rotated, and the rack 52 and the elevating plate 12 are raised and lowered accordingly.

Therefore, it is possible to adjust the height of the elevating plate 12 in a very simple operation of rotating the handle 50, and thus can easily and quickly adjust the guide position of the steel sheet coil (1).

1: steel sheet coil 3: feeding roller
4: slitter 10: frame
11: fixed beam 12: lifting plate
13,19: height adjustment hole 14: reinforcement bracket
15: fixed block 17,47: height adjustment unit
18: fixing plate 20: coupling bolt
21: coupling nut 23: mounting box
24: bottom plate 25: front panel
26: back plate 27: left side plate
28: right side plate 29: lifting space
31: steel coil guide 32: mounting bracket
33: support shaft 34: bearing
35: rotating roller 37: lifting support
38: coupling shaft 39: bearing housing
40: ball bearing 42: tension absorbing portion
43: bolt shaft 44: nut
45: compression coil spring 48: vertical bracket
49: drive shaft 50: handle
51: pinion 52: rack

Claims (7)

Slitter is installed on one side of the feed roller 3 and the feed roller (3) to which the steel sheet coil (1) to be slit is mounted so as to slit the steel sheet coil (1) continuously into several long thin unit steel coils. A fixed beam 11 provided between (4) and fixed to the frame (10);
A lifting plate 12 coupled to the fixed beam 11;
A height adjusting unit 17 installed on the fixed beam 11 and the elevating plate 12 to adjust the height of the elevating plate 12;
An installation box 23 coupled to an upper portion of the elevating plate 12;
A steel plate coil guide 31 installed at an upper portion of the installation box 23 and guiding the transfer of the steel sheet coil 1 supplied from the feed roller 3 to the slitter 4 side;
A tension absorber 42 installed between the installation box 23 and the steel plate coil guide 31 to absorb a change in tension transmitted to the steel plate coil 1;
Height adjustment part 17,
On both sides of the elevating plate 12, a plurality of height adjusting holes 13 are formed along the vertical direction, and other height adjusting holes 19 are formed to correspond to the height adjusting holes 13 of the elevating plate 12. A fixed plate 18 having a lower end fixed to the fixed beam 11 and having a lifting plate 12 coupled to the front, height adjusting holes 19 of the fixing plate 18, and a height adjusting hole 13 of the lifting plate 12. Tension anxiety absorption device of the slitting device for a steel sheet coil, characterized in that consisting of a coupling bolt 20 and a coupling nut 21 coupled to them. delete The height adjustment unit 47 of claim 1,
A pair of vertical brackets 48 provided at both sides of the elevating plate 12 and fixed to the fixed beam 11 at the lower end thereof, and a driving shaft 49 coupled to both ends thereof so as to rotate on the vertical brackets 48; The handle 50 is coupled to one end of the drive shaft 49 to rotate it, the pinion 51 coupled to the center of the drive shaft 49 and rotated together with the drive shaft 49, and on the front of the elevating plate 12. Slit for steel plate coil is installed long along the vertical direction and is engaged with the pinion 51 and made of a rack 52 for elevating the elevating plate 12 during the rotation of the drive shaft 49 and the pinion 51. Tension anxiety absorbing device of the device. The method of claim 1, wherein the installation box 23,
Space is secured so that the steel plate coil guide 31 is raised and lowered so that the height of the front plate 25 and the back plate 26 is guided when the steel plate coil guide 31 is elevated. And a height higher than the height of the right side plate 28, the tension of the steel sheet coil slitting device, characterized in that the lifting space 29 is secured to the upper side of the left side plate 27 and the right side plate 28. Absorber. The steel sheet coil guide portion 31 according to claim 1,
It is installed on the upper portion of the tension absorbing portion 42 is elastically supported by the upper side by the installation bracket 32 for absorbing the changed tension while flowing in the left or right or up and down direction when the tension of the steel sheet coil 1, and both ends Is supported at both ends of the mounting bracket 32, the support shaft 33, the bearings 34 are coupled to the support shaft 33, the bearings 34 are coupled to the feed roller (3) Tension anxiety absorbing device of the slitting device for steel sheet coil, characterized in that made of a rotating roller 35 that supports the steel sheet coil (1) supplied to the slitter (4) side and flows with the shaking of the steel sheet coil (1) . The method according to claim 1, wherein the front and rear of the bottom face of the steel plate coil guide portion 31 are
Lifting support portion 37 for guiding the lifting of the steel sheet coil guide portion 31 is provided, the lifting support portion 37,
Coupling shafts 38 which are respectively installed at the front and rear of the bottom surface of the steel sheet coil guide part 31, bearing housings 39 coupled to the coupling shafts 38, and coupled to the bearing housings 39, and the outer circumferential surface thereof. Tension of the slitting device for steel sheet coil, characterized in that made of a ball bearing 40, a part of which is in contact with each of the front and rear of the installation box 23 so that the steel sheet coil guide portion 31 is supported in front and rear of the installation box 23. Anxiety Absorber. The method of claim 1, wherein the tension absorbing portion 42,
The upper end is coupled to both sides of the steel sheet coil guide portion 31 and the lower end of the pair of bolt shafts 43 are coupled to be lifted on both sides of the installation box 23, the lower end of the bolt shaft 43 The nut 44 which is fastened and is supported on the bottom surface of the installation box 23 and the bolt shaft 43 are joined to the circumference and the upper and lower ends thereof are supported by the steel plate coil guide 31 and the installation box 23 so as to support the steel plate coil guide. Slitting for steel sheet coil, characterized in that it consists of a compression coil spring 45 that elastically supports (31) to the upper side and absorbs the pressure applied to the steel sheet coil guide portion 31 during transfer of the steel sheet coil (1) Tension anxiety absorber of the device.

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