KR20200075253A - Apparatus for manufacturing steel coil outer edge protecting material - Google Patents

Abstract

The present invention relates to an apparatus for manufacturing a steel coil outer corner protecting material, which is able to improve productivity for supplying a plurality of materials, and to be made of materials proper for a steel coil among materials with various thicknesses or various widths corresponding to various standards of steel coil. According to the present invention, the apparatus for manufacturing the steel coil outer corner protecting material comprises: a first uncoiler which supports a first material used as the protecting material; a second uncoiler which supports a second material used as the protecting material; a control unit which receives an input of information on the steel coil, and selects one of the first material and the second material as the material to be supplied in accordance with the steel coil information; a supply unit which supplies the material to be supplied; a folding unit which folds the material to be supplied by a first protective surface and a second protective surface; and a wrinkle forming unit which forms wrinkles on the second protective surface to form a ring shape with the material to be supplied. The present invention is able to prevent an unnecessary waste of raw materials, lower manufacturing cost, reduce the time for replacing materials, and improve production efficiency.

Description

Steel plate coil outer diameter edge protective material manufacturing equipment {APPARATUS FOR MANUFACTURING STEEL COIL OUTER EDGE PROTECTING MATERIAL}

The present invention relates to an apparatus for manufacturing an outer circumferential edge protective material for a steel sheet coil, and more specifically, a first protective surface that protects the outer circumferential surface of the steel sheet coil, and a second protective surface that is bent from the first protection surface to protect the side end surface of the steel sheet coil Steel sheet coil outer peripheral protective material manufacturing apparatus for manufacturing a protective material consisting of.

The steelmaking process is a steelmaking process in which molten iron is produced by using various iron ores as the main raw material, a steelmaking process in which molten steel is removed by removing impurities from the molten metal, a playing process in which liquid molten steel is made into a solid state, steel in a solid state, or wire rod It consists of a rolling process made of.

In the casting process, molten steel, which is in a liquid state, is injected into a mold to cool and solidify through a continuous casting machine to form an intermediate material such as a continuous slab, bloom, or billet. Among them, the slab is produced as a product in the form of a thin steel sheet while passing between a plurality of rolls rotating in the rolling process. The steel sheet produced in this way is wound and provided in the form of a steel coil for distribution convenience.

The steel sheet coil wound in the form of a steel sheet coil has anti-rust paper wound on the inner and outer peripheries of the steel sheet coil for moisture proof, an outer circumferential protection plate protecting the outer circumferential surface of the steel coil, an inner circumferential protection plate protecting the inner circumferential surface of the steel coil, and both sides of the steel coil A cross-section side plate to protect, an inner-edge protective material that secures the inner-circumferential protection plate to the inner circumferential surface of the steel coil, and an outer-edge protective material that protects the inner-edge edge of the steel coil, and an outer-edge protective material that secures the outer-circumferential protection plate to the outer peripheral surface of the steel coil. Both the inner and outer surfaces of the steel coil are packaged with a packaging material including a.

1 is a perspective view showing an outer circumferential edge protective material of a steel coil.

The outer edge protective material 1 of the steel coil includes a first protective surface 2 and a second protective surface 3. The first protective surface 2 protects the outer circumferential surface of the steel sheet coil, and the second protective surface 3 is bent at a right angle from the first protective surface 2 to protect the side end surface of the steel sheet coil.

This protective material (1) supplies a flat or vertical material in the form of a plate, bends the supplied material into a "a" shape, forms a crease (3) on the second protective surface (3) and at the same time a ring shape It is manufactured in a way to form. Then, after the protective material 1 is attached to the steel sheet coil, during the manufacturing process of the protective material 1, the second protective surface 3 is drilled in order to discharge moisture generated on the inner surface of the protective material 1 to the outside. ).

The apparatus for manufacturing such a steel coil outer diameter edge protective material has already been disclosed by "Republic of Korea Patent No. 0655962; Outer ring manufacturing device for protecting steel coil".

In the registered patent, before the material enters the bending roll, a plurality of guide rollers guiding the material to the bending roll press the material. When a material is jammed between the bending rolls due to the load during bending of the material, slipping of the material occurs in the bending rolls and the guide rollers, and processing is no longer processed, affecting online production.

In addition, the registered patent uses one material for packaging of steel coils of all sizes, so the waste of raw materials is large, and when the material is exhausted due to the use of one material supply device, it takes a long time to replace the material. There is a problem that the production efficiency is lowered.

Republic of Korea Registered Patent No. 0655962 (announced on December 12, 2006)

The object of the present invention is to improve productivity by allowing a plurality of materials to be supplied, and to select a suitable material for a steel sheet coil among materials having various thicknesses or various widths in response to the specifications of various steel sheet coils to improve the outer diameter edge of the steel sheet coil. It is to provide an apparatus for manufacturing a protective material for an outer edge of a steel coil that can manufacture a protective material to be protected.

Steel sheet coil outer circumferential edge protective material manufacturing apparatus according to the present invention for producing a protective material consisting of a first protective surface protecting the outer circumferential surface of the steel coil and a second protective surface bent from the first protective surface to protect the side surface of the steel coil Is a first uncoiler supporting a first material used as the protective material, a second uncoiler supporting a second material used as the protective material, information about the steel sheet coil is input, and according to the steel sheet coil information, A control unit for selecting any one of the first material and the second material as a supply material, a supply unit for supplying the supply material, a bending unit for bending the supply material into the first protection surface and the second protection surface, and the first material 2 It may include a wrinkle forming portion to form a wrinkle on the protective surface so that the supply material is formed in a ring shape.

The supply part is a pre-feeder for clamping the front end part of the first material and the front end part of the second material that are released from the first uncoiler and the second uncoiler, and the feeder supplied to the prefeeder. A first looper for adjusting the tension of the first material and the second material, a feed unit receiving the supply material from the pre-feeder and supplying it toward the bent part, and between the feed unit and the bent part Is disposed in, it may include a cutting unit for cutting the feed material.

The supply unit may further include the second looper in which the supply material is stored between the cutting unit and the bending unit.

The supply portion is disposed between the second looper and the bent portion to clamp the distal end of the feed material, and maintains a pressurized state of the feed material when the feed material is supplied to the bent portion to supply the feed material at the bent portion. It may further include a pinch roll unit (pinch roll unit) to prevent the supply material is not slipping because the entry.

The apparatus for manufacturing a protective material for outer edge of a steel sheet coil may further include a punching unit that forms an outlet for discharging moisture from the protective material attached to the steel sheet coil to the outside.

The first material and the second material may be provided with different thicknesses.

The first material and the second material are provided with the same width, but the protective material may have a different width of the second protective surface.

The first material and the second material may be provided with different widths.

The steel sheet coil outer circumferential edge protective material manufacturing apparatus is the first material entering the supply unit by varying the support heights of the first material supported by the first uncoiler and the second material supported by the second uncoiler, respectively. And it may further include a first level adjustment unit for adjusting the height of each of the second material.

The apparatus for manufacturing a protective material for the outer edge of the steel sheet coil may further include a second level adjustment unit for adjusting the height of the supply material entering the wrinkle forming unit by varying the transport height of the supply material passing through the supply unit and the bending unit. .

The wrinkle forming portion includes a gear lifting unit for raising and lowering the lower gear and the lower gear engaged with the second protective surface interposed therebetween, wherein the lower gear has a gear ratio equal to or lower than the gear ratio of the upper gear, The control unit may raise and lower the lower gear according to the steel sheet coil information to form wrinkles on the second protective surface according to the amount of overlap of the upper and lower gears, so that the supply material can be manufactured in a ring shape having a desired size.

The apparatus for manufacturing the outer edge protective material for a steel coil according to the present invention improves productivity by supplying a plurality of materials, and selects a material suitable for a steel coil from among materials of various thicknesses or different widths in response to various steel coil specifications. Since it is possible to manufacture a protective material that protects the outer edge of the steel coil, it is possible to reduce the manufacturing cost by preventing unnecessary waste of raw materials and shorten the replacement time of the material, thereby improving production efficiency.

1 is a perspective view showing an outer circumferential edge protective material of a steel coil.
Figure 2 is a plan view showing a steel coil outer peripheral edge protective material manufacturing apparatus according to an embodiment of the present invention.
Figure 3 is a front view showing a steel coil outer peripheral edge protective material manufacturing apparatus according to an embodiment of the present invention.
4 is a plan view showing a pre-feeder and a feed unit of a steel coil outer peripheral edge protective material manufacturing apparatus according to an embodiment of the present invention.
5 is a plan view showing a pinch roll unit of a steel sheet coil outer edge protective material manufacturing apparatus according to an embodiment of the present invention.
6 is a side view showing bending rollers of the apparatus for manufacturing an outer edge protective material of a steel coil according to an embodiment of the present invention.
7 is a front view showing a wrinkle forming portion of the outer peripheral edge protective material manufacturing apparatus of a steel sheet coil according to an embodiment of the present invention.

The terms or words used in the specification and claims should not be interpreted as being limited to the ordinary or dictionary meanings, and the inventor can appropriately define the concept of terms in order to best describe his or her invention. Based on the principle that it should be interpreted as meanings and concepts consistent with the technical idea of the present invention. Therefore, the embodiments shown in the embodiments and the drawings described in this specification are only one embodiment of the present invention and do not represent all of the technical spirit of the present invention, and there may be various equivalents and modifications that can replace them. It should be understood that there is.

Hereinafter, with reference to the accompanying drawings for the steel coil outer peripheral edge protective material manufacturing apparatus according to the present invention will be described.

Figure 2 is a plan view showing a steel coil outer peripheral edge protective material manufacturing apparatus according to an embodiment of the present invention, Figure 3 is a front view showing a steel coil outer peripheral edge protective material manufacturing apparatus according to an embodiment of the present invention.

Referring to Figures 1 and 2, a steel coil outer peripheral edge protective material manufacturing apparatus according to an embodiment of the present invention is the first uncoiler 110, the second uncoiler 120, the control unit 200, the supply unit 300 , It may include a bent portion 400 and the wrinkle forming portion 500.

A first material 11 may be supported on the first uncoiler 110 in a roll form, and a second material 12 may be supported on the second uncoiler 120 in a roll form. The central axis of the first uncoiler 110 and the central axis of the second uncoiler 120 are perpendicular to each other so that the width of the first material 11 and the second material 12 are vertical. It is preferably arranged and spaced apart from each other in a plane direction.

Although not shown, the first uncoiler 110 and the second uncoiler 120 include a table supporting the first material 11 and the second material 12 in the form of a roll, and the first uncoiler 1. A driving motor for driving the drive shafts of the uncoiler 110 and the second uncoiler 120, respectively, to expand or reduce the outer diameters of the central axes of the first uncoiler 110 and the second uncoiler 120. The link structure can be installed. The driving motors and link structures of the first uncoiler 110 and the second uncoiler 120 are already well-known in the art, so a detailed description thereof will be omitted.

The supply unit 300 is disposed on one side of the first uncoiler 110 and the second uncoiler 120. The supply unit 300 is for supplying the material selected by the control unit 200 (hereinafter,'supply material') to the bending unit 400, the first looper 310, the pre-feeder 321, the feed unit 320 ), a punching unit 330, a cutting unit 340, a second looper 350 and a pinch roll unit 360.

The first looper 310 includes a plurality of support rollers 311 supporting the first material 11 and the second material 12, respectively, and a guide roller guiding the feed material 20 to the pre-feeder 321 ( 312) and a plurality of support rollers 311 and a guide roller 312 may be disposed between the tensioning roller 313 to maintain the tension of the supply material 20. Of course, the first looper 310 includes a table for supporting each roller, and a ball screw, linear guide, linear block, etc. that constitute a linear actuator which is a driving element capable of changing the position of each roller, which is disposed at the bottom of the table. It can be placed. The driving elements for varying the positions of the rollers are already well-known in the art, so a detailed description thereof will be omitted.

As such, the tip portion of the first material 11 and the tip portion of the second material 12 whose tension is maintained by the first looper 310 may be clamped to the pre-feeder 321.

4 is a plan view showing a pre-feeder and a feed unit of a steel coil outer peripheral edge protective material manufacturing apparatus according to an embodiment of the present invention.

Referring to FIG. 4, the pre-feeder 321 feeds the feed material 320 of any one of the first material 11 and the second material 12 supported by the first looper 310. To pass. The pre-feeder 321 may include a first material clamper 321a clamping the first material 11 and a second material clamper 321b clamping the second material 12. In addition, the pre-feeder 321 may include a pair of pre-feeder rollers 321c and idle rollers 321d disposed in front of the first material clamper 321a and the second material clamper 321b. The pair of pre-feeder rollers 321c may be connected to the drive shaft of the supply roller 322, which will be described later, and may be driven together with the supply roller 322, and the pair of pre-feeder rollers 321c may have an interval relative to the idle roller 321d. A first interval adjustment cylinder 321e for adjusting the may be connected to each.

The idle roller 321d is disposed between a pair of pre-feeder rollers 321c. The pair of pre-feeder rollers 321c and the idler rollers 321d may support the front end portion of the first material 11 and the front end portion of the second material 12 together.

Here, in order to manufacture a protective material used for a steel coil of the same standard, a first material 11 and a second material 11 having the same thickness and width are provided, and the first material 11 and the second material 12 ), and supply the remaining materials when the materials being supplied are exhausted. Therefore, the apparatus for manufacturing the outer diameter edge protective material of the steel sheet coil according to the present embodiment can improve productivity due to continuous supply of materials.

On the other hand, in order to correspond to the specifications of various steel coils, the second material 12 may have a different thickness from the first material 11. For example, when the steel coil is more than the reference weight, the first material 11 corresponding to the reference weight condition may be used, and when the steel coil is less than the reference weight, the second material is thinner than the first material 11 (12) can be used.

Therefore, the control unit 200 may be input in advance information (eg, outer diameter, inner diameter, width, weight, etc.) of the steel coil to select a material to be supplied according to the steel coil to be packaged. . The control unit 200 may generate a selection signal for selecting one of the first material 11 and the second material 12 based on the steel coil information. The selection signal is transmitted to the pre-feeder 321. The pre-feeder 321 drives the first gap adjusting cylinder 321e corresponding to the selection signal from the pair of first gap adjusting cylinders 321e, and presses the corresponding pre-feeder roller 321c toward the idle roller 321d. , The other one of the first interval adjustment cylinder 321e is driven so that the corresponding pre-feeder roller 321c is separated from the idle roller 321d.

Thereafter, when the supply signal of the feed material 20 is transmitted to the feed unit 320, the feeder pre-roller 321c contacting the idle roller 321d together with the feed roller 322 is rotationally driven to select the feed material 20 ) Is started.

Meanwhile, the feed unit 320 may include a pair of supply rollers 322 that are rotated in engagement with each other with the supply material 20 interposed therebetween. Of course, one of the pair of supply rollers 322 is connected to the supply motor 324 by a belt 323 to serve as a driving roller, and the other one of the driven rollers rotated according to the rotational drive of the driving roller. Play a role. The second spacing adjusting cylinder 325 to be able to adjust the spacing of the pair of supply rollers 322 according to the thickness of the supply material 20 is connected to the roller that serves as a driven roller among the pair of supply rollers 322. Can. In addition, a pair of guide plates 326 may be disposed on the path of the supply material 20 that has passed through the pair of supply rollers 322 to maintain the vertical posture of the supply material 20.

The pair of supply rollers 322 and the pair of guide plates 326 may be arranged in a plurality in the direction of travel of the supply material 20. However, in addition to the pair of supply rollers 322 provided at the introduction of the feed unit 320, the other pair of supply rollers may not be connected to the electric motor. That is, the remaining pair of supply rollers can serve as guide rollers.

As described above, the tip of the feed material 20 supplied by the feed unit 320 passes through the punching unit 330, the cutting unit 340, and the second looper 350 to reach the pinch roll unit 360.

5 is a plan view showing a pinch roll unit of a steel sheet coil outer edge protective material manufacturing apparatus according to an embodiment of the present invention.

Referring to FIG. 5, the pinch roll unit 360 clamps the leading end of the feed material 20. The pinch roll unit 360 may include a pair of anti-slip rollers 361a and clamping rollers 361b facing each other with the supply material 20 interposed therebetween.

Here, when the supply material 20 is bent, when the supply material 20 does not proceed further due to the processing load of any one pair of bending rollers in the bent part 400, and slip occurs, the supply material 20 is Between the rollers provided in the bent part 400, there is a risk of interruption of the process and loss of material.

Therefore, while the material is supplied to the bent portion 400, while preventing the slip of the supply material 20, at the same time, any one of the pair of anti-slip roller 361a so that the bending of the supply material 20 can be made smoothly A third spacing adjusting cylinder 362 may be connected to adjust the spacing of the pair of anti-slip rollers 361a. Of the pair of slip prevention rollers 361a, the rest of the slip prevention rollers 361a except for the slip prevention rollers 361a connected to the third spacing adjusting cylinder 362 are the first bending rollers 410 of the bending part 400 to be described later. It is connected to the drive shaft of the first bending roller 410 may be installed to be driven to rotate. Therefore, the pair of anti-slip rollers 361a may be rotationally driven together with the first bending roller 410 as the first bending roller 410 to be described later is driven.

Any one of the pair of clamping rollers 321b is installed to circumscribe the power transmission roller 361c circumscribed to the slip prevention roller 361a. Therefore, the pair of clamping rollers 321c may also be rotationally driven together with the pair of anti-slip rollers 361a as the first bending roller 410 to be described later is driven.

Meanwhile, the punching unit 330 forms an outlet in the supply material 20. The outlet allows the moisture formed inside the protective material to be discharged to the outside after the protective material is attached to the outer diameter edge of the steel coil. Of course, the number and spacing of drains can be adjusted by adjusting the supply length of the feed material 20 and the operating speed of the punching unit 330 according to the specifications of the steel coil.

As described above, in the state where the leading end of the supply material 20 is clamped to the pinch roll unit 360, the supply process of the supply material 20 and the punching process by the punching unit 330 continue, the outer diameter of the steel coil The supply amount of the supply material 20 corresponding to can be reached. The cutting unit 340 cuts the supply material 20 when the supply material 20 is supplied with a length corresponding to the outer diameter of the steel coil.

The second looper 350 stores the supply material 20 until the supply material 20 having the drain hole is cut. The second looper 350 may include a table supporting the supply material 20 and a pair of guide slits that are provided to be reciprocating in a direction crossing the direction in which the supply material 20 is supplied and adjustable in spacing. .

Meanwhile, the bending part 400 may include a pair of first bending rollers 410, a pair of second bending rollers 420, and a pair of third bending rollers 430.

6 is a side view showing bending rollers of the apparatus for manufacturing an outer edge protective material of a steel coil according to an embodiment of the present invention.

Referring to FIG. 6, a driving roller connected to a driving motor among a pair of first bending rollers 410 is formed with a first inclined surface capable of bending the supply material 20 at an obtuse angle, and is driven by a driven roller and rotates. In the inclined surface corresponding to the inclined surface of the drive roller is formed.

Of the pair of second bending rollers 420, a driving roller connected to the driving motor is formed with a second inclined surface capable of bending the supply material 20 at an obtuse angle smaller than the angle of the first inclined surface, and driven to rotate in engagement with the driving roller An inclined surface corresponding to the inclined surface of the driving roller is formed on the roller.

Among the pair of third bending rollers 430, a third inclined surface capable of bending the supply material at a right angle is formed on the driving roller connected to the driving motor, and the driven roller rotated by the driving roller is inclined to correspond to the inclined surface of the driving roller. It is formed.

Therefore, when the driving of the pair of first bending rollers 410 starts, the slip prevention rollers 361a of the pinch roll unit 360 are rotationally driven together, and supply of the feed material 20 is resumed. Thereafter, the supply material 20 may be bent at a right angle by a pair of first bending rollers 410, a pair of second bending rollers 420, and a pair of third bending rollers 430. At this time, the vertical portion of the supply material 20 corresponds to the first protective surface protecting the outer circumferential surface of the steel coil, and the horizontal portion corresponds to the second protective surface protecting the side end surface of the steel coil.

The supply material 20 bent at a right angle as described above enters the wrinkle forming unit 500.

7 is a front view showing a wrinkle forming portion of the outer peripheral edge protective material manufacturing apparatus of a steel sheet coil according to an embodiment of the present invention.

Referring to FIG. 7, the wrinkle forming unit 500 includes a pair of gears 510 meshed with each other up and down. The horizontal portion serving as the second protective surface 3 of the supply material 20 that has entered the wrinkle forming portion 500 enters between the pair of gears 510. The lower gear of the pair of gears 510 may have a gear ratio equal to or less than the gear ratio of the upper gear. Therefore, the supply material 20 is formed by a pair of gears 510 and wrinkles are formed in the horizontal portion, and the supply material 20 can be formed in a ring shape.

At this time, a gear elevating unit 520 for elevating the lower gear may be disposed on the lower gear. The control unit 200 raises and lowers the lower gear according to the coil information of the steel sheet to form wrinkles on the second protective surface of the supply material 20 according to the overlapping amount of the upper and lower gears, so that the material is formed into a ring shape of a desired size can do.

The supply material 20 formed in the shape of a ring is completed in the form of a protective material and stored in the discharge table 600, and can be discharged to the outside.

Meanwhile, in the above-described description, an embodiment in which the first material 11 and the second material 12 have different thicknesses according to the weight of the steel coil is described. However, according to the specification of the steel coil, the first material 11 and the second material 12 may be provided with different widths. In addition, there may be a case in which the second protective surface 3 must be manufactured to have a larger width than the second protective surface 3 at the request of the demand price.

As described above, when the first material 11 and the second material 12 are provided in different widths, or when the width of the second protective surface 3 needs to be made differently using a material having the same width, the first uncoiler ( 110) and the second uncoiler 120, the first material 11 and the second material 12 supported by the support height of the variable, or the supply material 300 and the bending material 400 passing through the supply material ( It is necessary to change the transfer height of 20).

Therefore, the first uncoiler 110 and the second uncoiler 120 respectively support the lower surface of the first material 11 in the form of a roll and the lower surface of the second material 12 in the form of a roll, respectively. A first level adjustment unit 700 may be installed to adjust the support height of the 11 and the second material 12, respectively. The first level adjustment unit 700 is a first material 11 and a second material 12 on the lower surface of the first material 11 in the form of a roll, and the lower surface of the second material 12 in the form of a roll. It may be made of a combination of a plurality of rollers to support the uncoiling of the rolling, and the actuator for lifting the plurality of rollers.

In addition, the supply unit 300 and the bent portion 400 may be provided with a second level adjusting unit 800 for varying the feed height of the supply material 20 passing through the supply unit 300 and the bent portion 400. The second level adjustment unit 800 is disposed on the transport path of the supply material 20 passing through the supply unit 300 and the bent part 400, and a plurality of rollers supporting the lower end of the supply material 20 by rolling. , It may be made of a combination of actuators for lifting the plurality of rollers, respectively.

At this time, the control unit 200 generates a first material by generating at least one of a driving signal of the first level adjusting unit 700 and a driving signal of the second level adjusting unit 800 according to the steel sheet coil information input in advance. (11) and the support height of the second material 12, or the feed height of the feed material 20 can be adjusted.

As described above, the apparatus for manufacturing an outer edge protective material of a steel coil according to an embodiment of the present invention can reduce manufacturing cost by preventing waste of raw materials by using different materials according to various steel coil specifications. Since time can be shortened, production efficiency can be improved.

The embodiments described above and illustrated in the drawings should not be construed as limiting the technical spirit of the present invention. The scope of protection of the present invention is limited only by the matters described in the claims, and a person having ordinary knowledge in the technical field of the present invention can improve and modify the technical spirit of the present invention in various forms. Therefore, such improvements and modifications will fall within the protection scope of the present invention as long as it is apparent to those skilled in the art.

1: protective material 2: first protective surface
3: second protective surface 6: drain
11: 1st material 12: 2nd material
20: Supply material
110: first uncoiler 120: second uncoiler
200: control unit 300: supply unit
400: bent portion 500: wrinkle forming portion
600: discharge table 700: first level control unit
800: second level adjustment unit

Claims (11)

In the apparatus for manufacturing an outer peripheral edge protective material for a steel sheet coil for manufacturing a protective material comprising a first protective surface protecting the outer circumferential surface of the steel sheet coil and a second protective surface bent from the first protective surface to protect the side surface of the steel sheet coil,
A first uncoiler supporting a first material used as the protective material;
A second uncoiler supporting a second material used as the protective material;
A control unit for inputting information on the steel sheet coil and selecting one of the first material and the second material as a supply material according to the steel sheet coil information;
A supply unit supplying the supply material;
A bent portion for bending the supply material into the first protective surface and the second protective surface; and
And forming a wrinkle on the second protective surface so that the supply material is formed in a ring shape. According to claim 1,
The supply unit
A pre-feeder for clamping the distal end of the first material and the distal end of the second material that are released from the first uncoiler and the second uncoiler;
A first looper that adjusts the tension between the first material and the second material supplied to the pre-feeder;
A feed unit receiving the supply material from the pre-feeder and supplying it toward the bent portion; and
It is disposed between the feed unit and the bent portion, cutting unit for cutting the supply material; Steel sheet coil outer peripheral edge protective material manufacturing apparatus comprising a. According to claim 2,
The supply unit
Steel plate coil outer edge protective material manufacturing apparatus characterized in that it further comprises a second looper is disposed between the cutting unit and the bent portion is the supply material is stored. According to claim 3,
The supply unit
It is disposed between the second looper and the bent portion to clamp the distal end of the feed material, and maintains a pressurized state of the feed material when the feed material is supplied to the bent portion so that the feed material does not enter the bent portion Steel sheet coil outer edge protective material manufacturing apparatus further comprises a pinch roll unit (pinch roll unit) to prevent the supply material is slip. According to claim 2,
Steel sheet coil outer edge protective material manufacturing apparatus further comprising a punching unit for forming a discharge port for discharging moisture to the outside from the protective material attached to the steel coil. According to claim 1,
The first material and the second material is a steel coil outer peripheral edge protective material manufacturing apparatus, characterized in that provided in different thickness. According to claim 1,
The first material and the second material are provided with the same width,
The protective material is a steel coil outer peripheral edge protective material manufacturing apparatus, characterized in that the width of the second protective surface is different. According to claim 1,
The first material and the second material is a steel coil outer peripheral edge protective material manufacturing apparatus, characterized in that provided in different widths. The method of any one of claims 7 or 8,
The heights of the first material and the second material entering the supply unit are respectively varied by varying the support heights of the first material supported by the first uncoiler and the second material supported by the second uncoiler, respectively. Steel plate coil outer edge protective material manufacturing apparatus further comprising a first level adjustment for adjusting. The method of any one of claims 7 or 8,
Steel plate coil outer circumferential edge protection material manufacturing apparatus further comprising a second level adjustment unit for adjusting the height of the supply material entering the pleated portion by varying the transfer height of the supply material passing through the supply portion and the bent portion . According to claim 1,
The wrinkle forming portion
Upper and lower gears that are rotationally driven by engaging the second protective surface therebetween; and
It includes; a gear lifting unit for lifting the lower gear;
The lower gear has a gear ratio equal to or less than the gear ratio of the upper gear,
The control unit lifts the lower gear according to the coil information of the steel sheet to form wrinkles on the second protective surface according to the amount of overlap of the upper and lower gears so that the supply material is formed into a ring shape of a desired size. Steel sheet coil outer periphery protective material manufacturing apparatus.

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