JP6420010B1 - Multi-strand metal plate tension adjusting device, metal plate tension adjusting method and multi-strand metal plate winding method - Google Patents

Abstract

[PROBLEMS] To achieve a uniform winding force during coil winding, that is, the tension of each metal plate of a multi-strip metal plate can be more quickly and strictly adjusted to a uniform form, and the multi-strip metal plate winding operation. It is possible to increase the winding speed by responding to the demand for increasing the rate and increasing the productivity. By adjusting the amount of hugging by the deflector roll, the tension of all the multi-metal plates is adjusted, and a plurality of grooves on each metal plate is made of an elastic material having a hardness lower than that of the tension adjusting roller. With the configuration provided in the elastic material lining, the tension of the multiple metal plates is adjusted, and the overall integral adjustment and the individual adjustment are combined to simultaneously adjust the multiple metal plate tensions to a uniform shape. [Selection] Figure 1

Description

  The present invention relates to a tension adjusting device for a multi-row metal plate, a method for adjusting the tension of the metal plate, and a winding method for the multi-row metal plate.

  A belt-shaped metal plate manufactured by a roll press or a rolling mill composed of a pair of upper and lower press rolls is processed into a multi-strand metal plate, and tension is applied to wind the multi-coil into a multi-strand coil. A tension applying roll is used that is disposed in a front stage of a winder that winds a multi-band metal plate and applies a winding tension at the time of winding.

  Patent Document 1 describes that a large number of cuts of a predetermined depth are formed in the circumferential direction in an elastic material provided on the outer peripheral portion of a roll by an extremely thin blade such as a razor.

  Patent Document 2 describes forming an annular groove along the circumferential direction in an elastic material provided on the outer peripheral portion of a roll, and fixing a deformation suppressing material in the groove.

  Patent Document 3 describes a transport roll in which an elastic running material such as a synthetic resin, fiber, or rubber-impregnated woven fabric having different hardnesses is disposed alternately in the longitudinal direction of the roll.

  Patent Document 4 describes that a dancer roll is provided between a roll press machine and a winder, and the hugging angle is adjusted and set for the dancer roll.

Japanese Patent No. 3208752 JP 9-141330 A Japanese Examined Patent Publication No. 6-79734 Japanese Patent No. 5801464

  When winding a multi-strip metal plate with a single winder, each multi-strip metal plate is not necessarily constant in thickness, so the coil diameter of the coil wound up May cause a difference.

  If such a difference occurs, the coil tightening force may become strong or weak, and the coil may slip.

  For this reason, as described in Patent Documents 1, 2, and 3 described above, an elastic material is fitted on the outer periphery of the tension applying roll, and the elastic material is cut to adjust the tension. It has been proposed to adjust the tension by providing a dancer roll.

  In order to improve the operation rate and increase productivity, it is required to increase the winding speed, and the winding force at the time of coil winding is uniform, that is, the tension of each metal plate of a multi-row metal plate is more rapid Strict adjustment is now required.

In the tension adjustment by the roll structure technique described in Patent Documents 1, 2, or 3, the tension of each metal plate of a multi-strip metal plate cannot be made uniform and more quickly and strictly adjusted. The technique described in Patent Document 2 relates to roll deformation suppression, and the tension of each metal plate of a multi-row metal plate cannot be adjusted more quickly and strictly. The dancer roll described in Patent Document 4 is used to reduce the number of guide rolls on the downstream side of the dancer roll and reduce wrinkles, and does not adjust the tension of all the metal plates with respect to the slit-shaped multiple metal plates. Absent.
In view of this point, the present invention makes it possible to make the tension of a multi-row metal plate uniform and adjust more quickly and more precisely, and in a form to make the tightening force uniform at the time of coil winding, The tension of each metal plate of the metal plate can be adjusted more quickly and strictly to a uniform form, improve the operating rate of multi-strip metal plate winding, meet the demand for higher productivity and increase the winding speed The task is to make this possible.

The present invention is a rolling mill provided with a pair of upper and lower rolls, which is processed into a strip-shaped multi-strip metal plate, the tension is adjusted, and the multi-coil is wound into a multi-strip coil by a winder. In the tension adjusting device for the metal plate of the strip,
A tension adjusting roller that is installed between a rolling mill and a winder and adjusts the tension of a multi-strip metal plate, and a deflecting adjustment means that can set the amount of multi-strip metal plate to be attached to the tension control roller. ,
The tension applying roller is provided with an elastic material lining made of an elastic material having a lower hardness than the tension adjusting roller, and the elastic material lining made of an elastic material having a lower hardness than the tension applying roller. Is provided in a form in which a plurality of grooves are arranged on the outer peripheral surface, the pitch interval being made smaller than the width of each metal plate of the multiple metal plates,
The tension adjusting roller adjusts the tension of all the multi-metal plates by adjusting the holding amount by the deflecting adjusting means, and a plurality of grooves are formed on the multi-metal plates from the tension adjusting roller. The form provided in the elastic material lining made of an elastic material with low hardness is characterized by adjusting the tension of the multi-stage metal plate to the form of uniforming the tension of the multi-stage metal plate. Provided is a tension adjusting device for a multi-row metal plate.

  The present invention provides the above-described multi-strand metal plate tension adjusting apparatus, wherein the elastic material lining made of an elastic material having a lower hardness than the tension applying roller is a rubber lining or a resin lining. A metal plate tension adjusting device is provided.

The present invention is a rolling mill provided with a pair of upper and lower rolls, which is processed into a strip-shaped multi-strip metal plate, the tension is adjusted, and the multi-coil is wound into a multi-strip coil by a winder. In the tension adjusting device for the metal plate of the strip,
A tension adjusting roller that is installed between a rolling mill and a winder and adjusts the tension of a multi-strip metal plate, and a multi-strip metal plate with respect to the tension adjusting roller at the front stage, the rear stage, or both stages. Equipped with a deflector adjustment means that can set the hugging amount of
The tension adjusting roller is provided with a nonwoven fabric lining on an outer peripheral surface thereof, and the nonwoven fabric lining is provided in a form in contact with a multiple strip metal plate,
The tension adjusting roller is configured to adjust the tension of all the metal strips by adjusting the amount of hugging by the deflector adjusting means, and is provided on the nonwoven fabric lining attached to the multiple metal plates However, by adjusting the tension of the multiple strip metal plate, the tension of the multiple strip metal plate is adjusted to a uniform form.

  According to the present invention, in the above-described tension adjusting device for a multi-striped metal plate, the deflector adjusting means is a deflector roll, and the relative position with respect to the tension adjusting roller is changed by the driving device to adjust the holding amount. A multi-strand metal plate tension adjusting device is provided.

The present invention is a rolling mill provided with a pair of upper and lower rolls, which is processed into a strip-shaped multi-strip metal plate, the tension is adjusted, and the multi-coil is wound into a multi-strip coil by a winder. A tension adjusting device for the metal plate of the strip,
A tension adjusting roller that is installed between a rolling mill and a winder and adjusts the tension of a multi-strip metal plate, and a multi-strip metal plate with respect to the tension adjusting roller at the front stage, the rear stage, or both stages. In the tension adjusting method of a multi-strip metal plate by a multi-strip metal plate tension adjusting device provided with a deflector adjusting means capable of setting the amount of hugging of
A lining made of an elastic material having a lower hardness than that of the tension adjusting roller is formed on the tension adjusting roller, and an elastic material lining made of an elastic material having a hardness lower than that of the tension adjusting roller. The groove is provided on the outer circumferential surface in a form in which a plurality of grooves are disposed on each metal plate of the multiple metal plates with a pitch interval smaller than the multiple metal plate widths,
By adjusting the amount of hugging by the deflecting adjustment means, the tension of all the multi-metal plates is adjusted, and a plurality of grooves on the multi-metal plates are elastic whose hardness is lower than that of the tension adjusting roller. A multi-strip metal plate characterized by adjusting the tension of a multi-strip metal plate and making the multi-strip metal plate tension uniform and adjusted simultaneously by adopting a form provided in an elastic material lining made of material. A method for adjusting the tension of a multi-stage metal plate by using a tension applying device is provided.

The present invention is a rolling mill provided with a pair of upper and lower rolls, which is processed into a strip-shaped multi-strip metal plate, the tension is adjusted, and the multi-coil is wound into a multi-strip coil by a winder. A tension adjusting device for the metal plate of the strip,
A tension adjusting roller that is installed between a rolling mill and a winder and applies tension to a multi-row metal plate, and a deflector adjusting means that can set the amount of the multi-metal plate to be held with respect to the tension adjustment roller. In the tension adjusting method of the multi-striped metal plate by the multi-strip metal plate tension adjusting device provided,
The tension adjusting roller is provided with a nonwoven fabric lining on an outer peripheral surface thereof, and the nonwoven fabric lining is provided in a form in contact with each of the multiple metal plates,
The tension adjusting roller is configured to adjust the tension of all the metal strips by adjusting the amount of hugging by the deflector adjusting means, and is provided on the nonwoven fabric lining attached to the multiple metal plates However, by adjusting the tension of the multi-strip metal plate, the tension of the multi-strip metal plate is uniformly adjusted by adjusting the tension of the multi-strip metal plate. I will provide a.

  According to the present invention, the amount of hugging by the deflector adjusting means is adjusted, so that the tension of all the multiple metal plates is adjusted, and the tension of each of the multiple metal plates is adjusted individually by the elastic material. By combining the two adjustments, the multiple strip metal plate tension can be adjusted to a uniform form at the same time.

  As a result, it is possible to make the adjustment more even more quickly by making the uniform adjustment to equalize the tension of the multiple metal plates, and to make the tightening force uniform when winding the coil. In other words, the tension of each metal plate of the multi-strip metal plate can be adjusted more quickly and more strictly to a uniform form, to improve the operating rate of the multi-strip metal plate winding, and to meet the demand for increased productivity, It is possible to increase the winding speed.

The figure which shows the tension | tensile_strength adjustment apparatus of the multi-row metal plate which is an Example of this invention. The figure which shows the multi-strip metal plate in which tension is adjusted by the multi-strip metal plate tension adjustment device The figure which shows the detail of the tension adjusting device of the multi-row metal plate The figure which shows the other modification of the tension | tensile_strength adjustment apparatus of a multi-row metal plate. The figure which shows the detail of the tension adjustment roll of the tension adjustment apparatus of a multi-strip metal plate The figure which shows the detail of the groove | channel formed in the outer peripheral part of a rubber lining Figure with grooves and longitudinal grooves on the outer periphery of the rubber lining

  Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a view showing a tension adjusting device 100 for a multi-strip metal plate according to an embodiment of the present invention. In the present invention, the metal plate is used in a concept including a metal clat plate.
FIG. 2 is a diagram showing a multi-strand metal plate 2 (multi-strip metal plate with slits) to which tension is applied by a multi-strand metal plate tension adjusting device 100. The plate width of the metal plate 2A of each strip is, for example, 25 mm.

  In these drawings, the tension adjusting device 100 includes a tension adjusting roller 10 and includes a plurality of belt-like metal plates 1 manufactured by a roll press machine (not shown) including a pair of upper and lower work rolls or a pair of upper and lower press rolls. It is processed into a strip metal plate 2, the tension is adjusted to be uniform, and it is wound around a winder 3 in a multi-strand coil shape. Hereinafter, the roll press machine will be described as being included in the concept of a rolling mill. A strip-shaped metal plate 1 is formed on a multi-metal plate 2 by a slitter 4. The formed multi-strip metal plate 2 is wound up in a multi-strip coil by the winder 3 with the tension adjusted. When there are many multi-row metal plates 2, the metal plate 2A may be 16-20.

  FIG. 3 is a diagram showing details of the tension adjusting device 100 for a multi-row metal plate. FIG. 3A is a diagram showing details of the tension adjusting device 100 for the multiple metal plates in FIG. FIG. 3B is a diagram showing a modified example of FIG.

  In FIG. 3A, the tension adjusting roller 10 includes deflector rolls 11 and 12 at the front stage, the rear stage, or both stages, and the deflector rolls 11 and 12 hold the multiple strips of the metal plate 2 to the tension adjusting roller 10. Can be set. The deflector rolls 11 and 12 are connected to the drive devices 13 and 14 via the drive rods 15 and 16.

  The deflector rolls 11 and 12 are rolled within a predetermined angle by the driving devices 13 and 14 as shown in the drawing, change the relative position with respect to the tension adjusting roller 10, and the multiple metal plates 2 with respect to the tension adjusting roller 10. The contact start angle or the contact end angle is changed, and the setting of the amount of hugging of the multiple metal plates 2 is changed. The holding amount of the multi-row metal plate 2 can be adjusted. In this example, when it is described as a hugging amount of the multiple metal plates 2, it indicates a hugging amount of the multi-metal plate 2.

  The multi-row metal plate 2 is guided to the winder 3 by a guide roll 5 disposed immediately before the winder 3.

  FIG. 3B shows a modification of the tension adjusting device 100 for the multi-striped metal plate shown in FIG. 3A. The deflector rolls 11A and 12A are connected to the tension adjusting roller 10 via the drive rods 15A and 16A. Attached to the driving devices 13A and 14A. The drive devices 13A and 14A are movable in the horizontal direction as indicated by the arrows, and accordingly, the deflector rolls 11A and 12A are moved in the horizontal direction. By moving in this way, the deflector rolls 11A, 12A are rolled within a predetermined angle as shown in the figure by the driving devices 13A, 14A, changing the relative position with respect to the tension adjusting roller 10, and adjusting the tension. By changing the contact start angle or the contact end angle of the multiple metal plates 2 with respect to the roller 10, the setting of the amount of hugging of the multiple metal plates 2 can be changed. The amount of hugging of the multiple metal plates 2 can be adjusted, and the amount of hugging of each of the multiple metal plates 2A can be adjusted.

  FIG. 4 is a view showing another modification of the tension adjusting device 100 for a multi-row metal plate.

  The tension adjusting device 100 is formed by a pair of upper and lower tension adjusting rolls 10A and 10B. The pair of upper and lower tension adjusting rolls 10A and 10B are indicated by vertical lines A and B in the case where the vertical direction is shifted and shown in the figure. As shown, the lower tension adjusting roll 10B is shifted and arranged on the downstream side, the upper end is positioned higher than the lower end of the tension adjusting roll 10A, and the multiple metal plates 2 are formed by both tension adjusting rolls 10A and 10B. The tension | tensile_strength adjusted to the multi-strand metal plate 2 is produced | generated.

  FIG. 5 is a diagram showing details of the tension adjusting roll 10 (hereinafter, including 10A and 10B) of the tension adjusting device 100 for a multi-row metal plate.

  The tension adjusting roll 10 has a cylindrical shape, and a rotation shaft 22 that can be connected to a drive source (not shown) is mounted on a side surface 21 and can be rotated. A rubber lining 23 is inserted into an outer peripheral surface of the tension adjustment roll 10 by insertion. Installed. The rubber lining 23 has an elastic function.

  FIG. 6 is a view showing details of the groove 30 formed on the outer peripheral portion of the rubber lining 23.

As shown in FIG. 6 (a), the groove 30 is an annular groove having a constant groove width in the circumferential direction, is formed at equal intervals in the longitudinal direction of the roll, and a protrusion 32 is formed between the grooves. For example, the groove 30 has a groove width of 1 mm, a groove depth of 2 mm, and a groove end interval of 5 mm.
As described above, since the width of each strip of metal plate 2A is 25 mm, as shown in FIG. 6 (b), about 4 to 5 grooves are set in each strip of metal plate 2A. The At least a plurality are arranged.

  A groove may be provided on the outer peripheral portion of the rubber lining 23 in the longitudinal direction of the roll.

  FIG. 7 is a view showing the shape of the outer peripheral portion of the rubber lining 23.

  In FIG. 7, a groove 30 and a longitudinal groove 31 are provided on the outer peripheral portion of the rubber lining 23. The groove 30 and the groove 31 form a cross shape on the outer peripheral portion of the rubber lining 23. The protrusions 32 formed by the grooves 30 and 31 are island-like and lattice-like. In contrast to the groove 30 having the above-described function, the groove 31 is provided in the plate width direction of the metal plate, and has a scraping function such as wiping off and scraping off impurities attached on the metal plate.

  In the configuration described above, the rubber lining 23 is used. However, an elastic material lining made of an elastic material having a lower hardness than the tension adjusting roller can be used. As an elastic material lining made of an elastic material whose hardness is lower than that of the tension adjusting roller, a resin lining or a nonwoven fabric lining can be used in addition to a rubber lining. As the rubber lining material or the resin lining material, natural rubber, synthetic rubber, synthetic resin having rubber-like elasticity, hard thermoplastic or thermosetting synthetic resin, for example, NBR rubber material or urethane resin material can be used.

  In the case of rubber lining or resin lining, in addition to grooves 30 provided in the circumferential direction of the roll on the outer periphery of the rubber lining or resin lining, the longitudinal direction of the roll (the plate width direction of each of the multiple metal plates) ) Is provided with a groove 31.

  In the case of nonwoven fabric lining, the nonwoven fabric itself has flexibility, has excellent edge resistance, has a high coefficient of friction following each metal plate, has high stickiness, In addition, since the surface state is such that it is not transferred to a multi-stage metal plate, it can be used without the need for groove formation. Non-woven fabric lining has an elastic function and follows the multiple strips of metal plates to exert individual tension adjustment functions, so it is compatible with multiple strips of metal plates in the same way as a grooved rubber lining. Thus, it has an independent elastic working area and can be sufficiently substituted for a grooved structure rubber lining.

  Non-woven fabrics are well known and are formed of natural fibers or synthetic fibers, knitted into a fine grid or honeycomb, and have innumerable voids between the fibers from the outside but are narrow. It is not visible from the outside. Natural fibers include cotton, hemp, wool and silk. Synthetic fibers include polyamide fibers, polyester fibers, polyacrylonitrile fibers, polyvinyl alcohol fibers, polyolefin fibers, polyvinyl chloride fibers, polyvinylidene chloride fibers, polyurethane fibers, and the like.

  Further, in the above-described configuration, the deflector rolls 11 and 12 are provided to set the amount of the multiple metal plates to be attached to the tension adjusting roller. You may make it set the amount of hugging. For example, in the above-described example, the tension adjustment roll 10 is fixed and provided. However, the tension adjustment roll itself may roll at a certain angle.

  According to the present embodiment, the amount of hugging by the deflector adjusting means is adjusted, so that the tension of all the multiple metal plates is adjusted integrally, and the multiple metal plates are individually adjusted by the elastic material. It is possible to adjust the tension of the multi-striped all metal plates to a uniform form at the same time by combining the whole integral adjustment and individual adjustment of both.

According to the above configuration, the tension adjusting roller that is installed between the roll press machine and the winder and applies tension to the multiple metal plates, and the tension adjusting roller has the tension applied to the front stage, the rear stage, or both stages. Equipped with a deflector adjustment means capable of setting the amount of holding of the multiple metal plates to the adjustment roller,
The tension adjusting roller is provided with an elastic material lining made of an elastic material having a lower hardness than the tension adjusting roller and fitted on the outer peripheral surface thereof, that is, an elastic material lining made of an elastic material having a lower hardness than the tension adjusting roller. In the outer peripheral surface, a plurality of grooves are provided in a form in which a plurality of grooves are provided on each metal plate with a pitch interval smaller than the width of each metal plate of the multiple metal plates.

  With this configuration, the tension adjusting roller adjusts the tension of all metal plates of the multiple strips by adjusting the holding amount by the deflector adjusting means, and a plurality of grooves are formed on each of the multiple strips of metal plates. The form provided on the elastic material lining made of an elastic material having lower hardness adjusts the tension of all the metal plates of the multiple stripes simultaneously by adjusting the tension of each metal plate of the multiple stripes. .

  In addition, the tension adjusting roller adjusts the tension of all of the multiple metal plates by adjusting the amount of hugging by the deflector roll, and the plurality of grooves are tensioned on each of the multiple metal plates. The form provided on the lining made of rubber or resin, which is an elastic material whose hardness is lower than that of the adjustment roller, simultaneously adjusts the tension of the metal plates of each strip, thereby equalizing the tension of all the strips of metal plates simultaneously. Adjust to form.

Further, according to the above-described configuration, the tension adjusting roller includes a nonwoven fabric lining on the outer peripheral surface thereof, and the nonwoven fabric lining is provided in a form in contact with each of the multiple metal plates,
The tension adjustment roller has a configuration in which the tension of the multiple metal plates is adjusted by adjusting the amount of hugging by the deflector adjustment means, and the tension roller is provided on the nonwoven fabric lining attached to each of the multiple metal plates. By adjusting the tension of each of the multiple metal plates, the tension of all the multi-metal plates is adjusted to be uniform (adjustment of the tension of all the multi-metal plates).

  Accordingly, it is possible to equalize the tension of the multi-strip metal plate sufficiently and more quickly and more precisely, and to make uniform the tightening force at the time of winding the coil. The tension of the metal plate can be adjusted more quickly and strictly to a uniform shape, and it is possible to improve the operating rate of multi-strip metal plate winding, meet the demand for higher productivity, and increase the winding speed. Become.

  DESCRIPTION OF SYMBOLS 100 ... Multi-strand metal plate tension adjusting device, 1 ... Strip-shaped metal plate, 2 ... Multi-strip metal plate with slits, 2A ... Each multi-strip metal plate, 3 ... Winding machine, 4 ... Slitter DESCRIPTION OF SYMBOLS 10 ... Tension adjustment roller 11, 12, 11A, 12A ... Deflector roll (deflector means), 23 ... Rubber lining (elastic material lining), 30 ... Groove of the roll circumferential direction, 31 ... Groove of the roll longitudinal direction, 32 ... Protrusions.

Claims (7)

Manufactured with a rolling mill equipped with a pair of upper and lower rolls, processed into a strip-shaped multi-strip metal plate with a slitter, and when the tension is adjusted and wound into a multi-strip coil by a winder In the tension adjustment device for metal plates,
A tension adjusting roller that is installed between the slitter and the winder and applies tension to the multiple metal plates; and a deflector adjusting means that can set the amount of the multiple metal plates to be held to the tension adjusting roller.
Resilient material said tensioning roller, lined loaded on the outer peripheral surface thereof with a lining of resilient material from an elastic material having a lower hardness than the tension adjusting rollers, consisting of a low hardness elastic material than the tension adjusting roller The lining has an outer peripheral surface having a form formed by an annular groove having a width and a depth and a protrusion formed between the annular grooves, and the interval of the form is a pitch interval than the width of each metal plate of the multi-row metal plate. And a plurality of forms composed of the annular grooves and protrusions are provided in each metal plate width ,
The Tsutomu Cho adjusting roller, by the deflector adjusting means, by weight with Body is adjusted to adjust the tension of all the metal plates multiple-start, a plurality of grooves in the multi-start of the metal plate than the tensioning roller The form provided in the elastic material lining made of an elastic material with low hardness can be adjusted to a form in which the tension of the multiple strip metal plates is made uniform by adjusting the tension of the multiple strip metal plates. A multi-strand metal plate tension adjustment device. The multi-strand metal plate tension adjusting device according to claim 1, wherein the elastic material lining made of an elastic material having a lower hardness than the tension applying roller is a rubber lining or a resin lining. Metal plate tension adjuster. In the tension adjusting device of the multiple strip metal plate according to claim 1,
A tension adjusting device for a multi-row metal plate , wherein a groove is provided in a longitudinal direction of the tension adjusting roller, and the annular groove and the groove form a cross-shaped groove structure .   4. The tension adjusting device for a multi-striped metal plate according to claim 1, wherein the deflector adjusting means is a deflector roll, and the relative position with respect to the tension adjusting roller is changed by the driving device, and the amount of hugging Is a tension adjusting device for a multi-strip metal plate. Manufactured with a rolling mill equipped with a pair of upper and lower rolls, processed into a strip-shaped multi-strip metal plate with a slitter, and when the tension is adjusted and wound into a multi-strip coil by a winder A tension adjusting device for a metal plate,
Installed between the slitter and the winder, the tension adjusting roller for applying tension to the multi-stage metal plate, and the multi-stage metal plate for the tension adjustment roller at the front stage, the rear stage or both stages. In the tension adjusting method for a multi-strand metal plate by a multi-strand metal plate tension adjusting device provided with a deflector adjusting means capable of setting the hugging amount,
A tension lining roller is provided with an elastic material lining made of an elastic material having a lower hardness than the tension adjusting roller, and an elastic material lining made of an elastic material having a hardness lower than that of the tension adjusting roller. The annular groove having a width and depth , and a protrusion formed between the annular grooves, and the pitch of the annular groove is smaller than the width of each metal plate of the multiple metal plates. , A plurality of forms composed of the annular grooves and protrusions are arranged in each metal plate width,
By adjusting the amount of hugging by the deflector adjusting means, the tension of all the multi-metal plates is adjusted, and the plurality of metal plates are made of an elastic material whose hardness is lower than that of the tension adjusting roller. A multi-strip metal plate characterized by adjusting the tension of each multi-strip metal plate and simultaneously equalizing and adjusting the tension of the multi-strip metal plate. Tension adjusting method for multi-striped metal plate by using tension adjusting device. In the tension adjusting method for a multi-strand metal plate by the multi-strand metal plate tension adjusting device according to claim 5,
The pitch of the said form is set to be smaller than the width of each metal plate of the multiple metal plates, and 4 to 5 annular grooves are arranged in each metal plate width. A tension adjusting method for multiple strip metal plates by means of a tension adjuster for strip metal plates.   A multi-strip metal plate whose tension is uniformly adjusted by the multi-strip metal plate tension adjusting method according to claim 5 or 6 is wound by a winder. Winding method for strip metal plate.

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