JP2008173676A - Device for straightening belt-like metal sheet having deformed cross section - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a device causing no damage on a belt-like metal sheet which has different thicknesses in the width direction and has a continuously uniform shape in the longitudinal direction, when straightening warp in the width direction of the belt-like metal sheet while transferring the belt-like metal sheet in the longitudinal direction. <P>SOLUTION: The device comprises: a delivery part 12 continuously delivering a belt-like metal sheet 10; deformed rolls 22, which are disposed in the irregular face side of the belt-like metal sheet and freely rotatably mounted on a shaft, and have large diameter parts to be brought into contact with thin parts of the belt-like metal sheet and small diameter parts to be brought into contact with thick parts of the sheet, and in which the small diameter parts are relatively rotatable to the large diameter parts; pressing rolls 24, which are disposed in the flat face side of the belt-like metal sheet, freely rotatably mounted on a shaft, brought into contact with the flat face of the belt-like metal sheet, and presses the sheet to the peripheral faces of the deformed rolls; and transferring rolls 64a, 64b, which hold the belt-like metal sheet from both face sides of the sheet and pulls the sheet passing through between the deformed rolls and the pressing rolls. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention is directed to a belt-like metal sheet having different thicknesses in the width direction and having a uniform continuous shape in the longitudinal direction, while warping in the width direction and the longitudinal direction of the belt-like metal sheet and local distortion. The present invention relates to an apparatus for correcting a strip-shaped metal thin plate having an irregular cross section, which is used for correcting the above.

  For example, a strip-shaped metal thin plate having a different thickness in the width direction and a uniform continuous shape in the longitudinal direction, such as a lead frame material of a semiconductor component, for example, as shown in a cross-sectional view in FIG. One side of the belt-shaped metal sheet 1 having a flat central portion 2 and a thin and flat side portion 3 having an uneven surface on the other side and a thin and flat side portion is shown in FIG. As shown in the figure, a belt-like metal thin plate 4 having a flat central portion 5 having a flat surface on one side and a flat central portion 5 having a small thickness and both flat side portions 6 having a large thickness is wound in a coil shape. In addition to causing curling (warping in the longitudinal direction) in the longitudinal direction due to the curl etc., as shown in the cross-sectional views in FIGS. May cause warping. The warpage generated in the strip-shaped metal thin plates 1 and 4 having the irregular cross section is corrected before being subjected to processing such as press working and plating, and as shown in FIGS. 8 (a) and 8 (b). It is necessary to return to the original shape. In this case, the warp in the longitudinal direction generated in the strip metal thin plates 1 and 4 can be corrected by applying a tensile force along the longitudinal direction to the strip metal thin plates 1 and 4. However, the warpage in the width direction generated in the strip-shaped metal thin plates 1 and 4 cannot be corrected only by pulling the strip-shaped metal thin plates 1 and 4 along the longitudinal direction.

Conventionally, as a method for correcting warpage in the width direction generated in a strip-shaped metal thin plate having a deformed cross section, conventionally, a large-diameter portion applied to the thin plate portion of the strip-shaped metal thin plate and a small-diameter portion applied to the thick plate portion are integrally provided. Using a straightening roll, wrap the belt-shaped metal sheet around the straightening roll so that the inner side of the warp in the width direction and the circumferential surface are in contact with each other. Press the belt-like metal sheet so that the surface and the outside of the warp in the width direction of the belt-like metal sheet are in contact with each other, and the belt-like metal sheet is fed from the feeding section with the belt-like metal sheet constrained in the thickness direction by the correction roll and the pressing roll. By feeding out the thin plate and continuously feeding it between the straightening roll and the pressing roll, the belt-like metal is continuously corrected in the width direction, and at the same time Also to correct bending in the step portion of the boundary between the thin portion and the thick portion of the plate, a method has been proposed such (for example, see Patent Document 1.).
Japanese Patent Publication No. 10-192975 (page 3-4, FIG. 7 to FIG. 9)

  As described above, in a state where the strip-shaped metal thin plate is constrained in the thickness direction by the correction roll and the press roll having the large diameter portion and the small diameter portion, the correction roll and the press roll are rotated, and the strip metal thin plate is moved in the longitudinal direction. The conventional method of correcting the warp in the width direction of the belt-shaped metal thin plate while being transferred to the substrate has the following problems. That is, since the circumferential length is different between the large diameter portion and the small diameter portion of the correction roll, the peripheral speed of the small diameter portion is larger than the peripheral speed of the large diameter portion when the correction roll is rotated. For this reason, the belt-shaped metal thin plate having an irregular cross section is wound around the correction roll and the press roll is pressed against the belt-shaped metal thin plate, and the correction roll and the pressure roll are restrained in the thickness direction by the correction roll and the pressure roll. When the holding rolls are rotated, the belt-like metal sheet is naturally transported at the same speed for both the thin plate part and the thick plate part. Since the speed and the peripheral speed of the small-diameter portion contacting the thick plate portion are different, slip occurs between the strip-shaped metal thin plate and the correction roll. As a result, the surface of the strip-shaped metal thin plate may be damaged.

  The present invention has been made in view of the circumstances as described above, and a belt-like metal thin plate having a different thickness in the width direction and a uniform continuous shape in the longitudinal direction, while being transported in the longitudinal direction, An object of the present invention is to provide a correction device for a strip-shaped metal thin plate having a deformed cross section, in which there is no fear of damaging the strip-shaped metal thin plate in correcting the warpage in the width direction of the thin metal plate.

  In the invention according to claim 1, the belt-like metal sheet having a flat surface on one side and having at least two different thicknesses in the width direction and a uniform continuous shape in the longitudinal direction is transferred in the longitudinal direction while In a correction device for a strip-shaped metal sheet having a modified cross section, which corrects warpage in the width direction and the longitudinal direction of the strip-shaped metal sheet, the strip-shaped sheet metal sheet is continuously fed out in the longitudinal direction, and a feeding section is fed out from the feeding section. The strip-shaped metal sheet is disposed on the concave-convex surface side of the strip-shaped metal sheet so as to be parallel to each other along the transport direction of the strip-shaped metal sheet so that the respective axes are orthogonal to the longitudinal direction of the strip-shaped metal sheet. It consists of a large-diameter part that contacts the part and a small-diameter part that contacts the thick plate part. The small-diameter part is relatively rotatable with respect to the large-diameter part, and can freely rotate. A plurality of axially mounted deformed rolls and the flat surface side of the strip-shaped metal thin plate fed out from the feeding portion are parallel to each other along the transport direction of the strip-shaped metal thin plate, and each axis is the longitudinal length of the strip-shaped metal thin plate. The strip-shaped metal is disposed so as to be orthogonal to the direction, arranged in a staggered manner with respect to the irregular-shaped rolls between the respective irregular-shaped rolls, and is pivotally mounted so as to freely rotate, and abuts the flat surface of the strip-shaped metal thin plate. A plurality of pressing rolls that press the thin plate against the peripheral surface of the deformed roll, and an axis line orthogonal to the longitudinal direction of the strip-shaped metal thin plate in the forward direction of the deformed roll and the pressing roll in the transport direction of the strip-shaped metal thin plate The belt-like thin metal plate is sandwiched from both sides, and the belt-like thin metal plate passed between the deformed roll and the pressing roll is pulled along the longitudinal direction. Kutomo a pair of transfer rolls, characterized in that a driving means for rotating the transport rolls.

  In the invention according to claim 2, the belt-like metal sheet having a flat surface on one side and having at least two different thicknesses in the width direction and having a uniform continuous shape in the longitudinal direction is transferred in the longitudinal direction while In a correction device for a strip-shaped metal sheet having a modified cross section, which corrects warpage in the width direction and the longitudinal direction of the strip-shaped metal sheet, the strip-shaped sheet metal sheet is continuously fed out in the longitudinal direction, and a feeding section is fed out from the feeding section. The strip-shaped metal sheet is disposed on the concave-convex surface side of the strip-shaped metal sheet so as to be parallel to each other along the transport direction of the strip-shaped metal sheet so that the respective axes are orthogonal to the longitudinal direction of the strip-shaped metal sheet. It consists of a large diameter part that contacts the part and a small diameter part that contacts the thick plate part. The two deformed rolls attached to the shaft and the flat surface side of the strip-shaped metal thin plate fed out from the feeding portion are arranged so that the axis is perpendicular to the longitudinal direction of the strip-shaped metal thin plate, and the two One press which is arranged in a zigzag manner with respect to the deformed rolls between the deformed rolls and is pivotally mounted so as to contact the flat surface of the strip metal thin plate and press the strip metal thin plate against the peripheral surface of the deformed roll The roll and the strip metal sheet are arranged in front of the deformed roll and the pressing roll in the transport direction of the strip metal sheet so that the axis is perpendicular to the longitudinal direction of the strip metal sheet, and sandwich the strip metal sheet from both sides. Then, at least a pair of transfer rolls that pull the strip-shaped metal thin plate passed between the deformed roll and the press roll along the longitudinal direction thereof, and drive means for rotationally driving the transfer rolls And said that there were pictures.

  In the invention according to claim 3, the belt-like thin metal plate having a flat surface on one side and having at least two different thicknesses in the width direction and a uniform continuous shape in the longitudinal direction is transferred in the longitudinal direction while In a correction device for a strip-shaped metal sheet having a modified cross section, which corrects warpage in the width direction and the longitudinal direction of the strip-shaped metal sheet, the strip-shaped sheet metal sheet is continuously fed out in the longitudinal direction, and a feeding section is fed out from the feeding section. From the large-diameter portion that contacts the thin plate portion of the strip-shaped metal thin plate and the small-diameter portion that contacts the thick plate portion, the axis line is disposed on the uneven surface side of the strip-shaped metal thin plate to be orthogonal to the longitudinal direction of the strip-shaped metal thin plate. Thus, the small-diameter portion is relatively rotatable with respect to the large-diameter portion, and is fed out from the feeding portion with one deformed roll that is pivotally attached to be freely rotatable. On the flat surface side of the strip-shaped metal thin plate, the strips are arranged in parallel with each other along the transport direction of the strip-shaped metal thin plate so that each axis is orthogonal to the longitudinal direction of the strip-shaped metal thin plate, and Two pressing rolls arranged in a staggered manner and pivotally mounted so as to freely rotate, abut against the flat surface of the strip metal thin plate and press the strip metal thin plate against the peripheral surface of the deformed roll, and the strip metal thin plate In the transfer direction, the axis line is disposed in front of the deformed roll and the pressing roll so as to be orthogonal to the longitudinal direction of the strip metal thin plate, and the strip metal sheet is sandwiched from both sides to press the deform roll. It is characterized by comprising at least a pair of transfer rolls for pulling the strip-shaped metal thin plate passed between the rolls along the longitudinal direction thereof, and drive means for rotationally driving the transfer rolls. .

  The invention according to claim 4 is a belt-like metal sheet having both surfaces that are uneven and have at least two different thicknesses in the width direction and a uniform continuous shape in the longitudinal direction, while transporting in the longitudinal direction, In a correction device for a strip-shaped metal thin plate having an irregular cross-section, which corrects warpage in the width direction and the longitudinal direction of the strip-shaped metal thin plate, a feeding section that continuously feeds the strip-shaped metal thin plate in the longitudinal direction, and from the feeding section On one side of the strip-shaped metal sheet that is fed out, the strip-shaped metal sheet is disposed in parallel with each other along the transport direction of the strip-shaped metal sheet so that each axis is orthogonal to the longitudinal direction of the strip-shaped metal sheet. A large-diameter portion that contacts the thick plate portion and a small-diameter portion that contacts the thick plate portion, and the small-diameter portion is rotatable relative to the large-diameter portion. A plurality of first deformable rolls axially attached to each other and parallel to each other along the transfer direction of the strip metal sheet on the other side of the strip metal sheet fed from the feed section Are arranged so as to be orthogonal to the longitudinal direction of the strip-shaped metal thin plate, and are arranged in a staggered manner with respect to the first variant roll between the first variant rolls, and contact the thin plate portion of the strip-like metal thin plate. A small-diameter portion that contacts the large-diameter portion and the thick-plate portion. The small-diameter portion is relatively rotatable with respect to the large-diameter portion, and is pivotally attached to be freely rotatable. A plurality of second deformed rolls pressed against the peripheral surface of the deformed roll, and the axis of the strip metal in front of the first deformed roll and the second deformed roll in the transfer direction of the strip metal thin plate The longitudinal direction of the thin plate And at least a pair of holding the strip-shaped metal thin plates sandwiched from both sides and pulling the strip-shaped metal thin plates passed between the first deformed roll and the second deformed roll along the longitudinal direction thereof. And a driving means for rotationally driving the transfer roll.

  The invention according to claim 5 is a belt-shaped metal thin plate having both sides of an uneven surface and at least two different thicknesses in the width direction and a uniform continuous shape in the longitudinal direction, while transporting in the longitudinal direction, In a correction device for a strip-shaped metal thin plate having an irregular cross-section, which corrects warpage in the width direction and the longitudinal direction of the strip-shaped metal thin plate, a feeding section that continuously feeds the strip-shaped metal thin plate in the longitudinal direction, and from the feeding section On one side of the strip-shaped metal sheet that is fed out, the strip-shaped metal sheet is disposed in parallel with each other along the transport direction of the strip-shaped metal sheet so that each axis is orthogonal to the longitudinal direction of the strip-shaped metal sheet. A large-diameter portion that contacts the thick plate portion and a small-diameter portion that contacts the thick plate portion, and the small-diameter portion is rotatable relative to the large-diameter portion. Two first deformable rolls that are pivotally attached and the other one side of the strip-shaped metal sheet fed from the feeding section are arranged so that the axis is orthogonal to the longitudinal direction of the strip-shaped metal sheet. And a staggered arrangement with respect to the first deformed roll between the two first deformed rolls, comprising a large diameter portion that contacts the thin plate portion of the strip-shaped metal thin plate and a small diameter portion that contacts the thick plate portion, One second variant in which the small-diameter portion is rotatable relative to the large-diameter portion and is pivotally mounted so as to freely rotate, and presses the belt-shaped metal thin plate against the peripheral surface of the first variant roll. A strip and a metal strip are arranged in front of the first deformed roll and the second deformed roll in the transport direction of the strip metal sheet so that the axis is perpendicular to the longitudinal direction of the strip metal sheet. Holding the thin plate from both sides, the first It is characterized by comprising at least a pair of transfer rolls for pulling the strip-shaped metal thin plate passed between the shape roll and the second deformed roll along the longitudinal direction thereof, and drive means for rotationally driving the transfer rolls. To do.

  The invention according to claim 6 is the straightening device according to any one of claims 1 to 5, wherein the straightening device is disposed in front of the transfer roll in the transfer direction of the belt-like metal thin plate, and is longer than the belt-like metal thin plate. An adjustment roll for applying tension along the direction is further provided.

In the correction apparatus of each invention according to claims 1 to 3, the belt-like metal thin plate is continuously drawn out from the feed-out portion by being sandwiched and pulled by a pair of transfer rolls, in a staggered manner. A belt-like metal thin plate is passed between the deformed rolls and the pressing rolls arranged and transferred. The belt-like metal thin plate is pressed against the peripheral surface of the deformed roll by the pressing roll, whereby the warpage in the width direction and the longitudinal direction and the local distortion are corrected. In this case, each of the deformed roll and the pressing roll is pivotally attached so as to be freely rotatable, and a large diameter portion that contacts the thin plate portion of the strip-shaped metal thin plate and a small diameter portion that contacts the thick plate portion of the strip-shaped metal thin plate; Since the large-diameter portion and the small-diameter portion of the deformed roll made of are relatively rotatable, no slip occurs between the strip-shaped metal thin plate and the deformed roll.
Therefore, when the straightening device of each invention according to claims 1 to 3 is used, it is possible to correct the warpage in the width direction of the strip-shaped metal thin plate without causing damage to the strip-shaped metal thin plate having an irregular cross section.

In the straightening device of each invention according to claim 4 and claim 5, when the belt-like metal thin plate is sandwiched and pulled by a pair of transfer rolls, the belt-like metal thin plate is continuously fed out from the feed-out portion, and is staggered. A strip-shaped metal thin plate is passed between the first deformed roll and the second deformed roll arranged, and is transferred. The belt-shaped metal thin plate is pressed against the peripheral surface of the first deformed roll by the second deformed roll, whereby the warpage in the width direction and the longitudinal direction and the local distortion are corrected. In this case, each of the first deformed roll and the second deformed roll is pivotally mounted so as to be freely rotatable, and the large diameter portion contacting the thin plate portion of the strip-shaped metal thin plate and the thick plate portion of the strip-shaped metal thin plate Each of the deformed rolls composed of the small-diameter portions that come into contact with the large-diameter portions and the small-diameter portions are relatively rotatable, so that slip occurs between the belt-shaped metal thin plate and the respective deformed rolls. There is no.
Therefore, if the correction apparatus of each invention which concerns on Claim 1 and Claim 5 is used, the curvature in the width direction of a strip | belt-shaped metal thin plate can be corrected, without producing damage to the strip | belt-shaped metal thin plate which has a deformed cross section.

  In the straightening device of the invention according to claim 6, by applying tension along the longitudinal direction to the strip-shaped metal thin plate by the adjusting roll, the deformed roll and the pressing roll or the first deformed roll and the second deformed roll. The shape of the strip-shaped metal thin plate in which the warpage in the width direction and the longitudinal direction is corrected by the deformed roll is adjusted with respect to the longitudinal direction.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the best embodiment of the present invention will be described with reference to the drawings.
FIG. 1 shows an example of an embodiment of the present invention, and is a schematic diagram showing a schematic configuration of an apparatus for correcting a strip-shaped metal thin plate having an irregular cross section.

  This straightening device has a feeding portion 12 that continuously feeds a strip-shaped metal thin plate 10 in the longitudinal direction from a coil 14 in which a strip-shaped thin metal plate 10 having an irregular cross section is wound in a roll shape, and a strip-shaped metal fed out from the feeding portion 12. The correction part 16 and the strip | belt-shaped metal thin plate 10 which correct | amend the curvature (henceforth "curl") in the longitudinal direction (henceforth "curl"), respectively, the curvature in the width direction (henceforth "width warp") of the thin plate 10, respectively. The transfer part 18 which transfers to the longitudinal direction, and the adjustment part 20 which adjusts the form in the longitudinal direction of the strip | belt-shaped metal thin plate 10 are comprised. As shown in FIG. 8, the strip-shaped metal sheet 10 having an irregular cross section as referred to herein has a flat surface on one side, has at least two different thicknesses in the width direction, and has a uniform continuous shape in the longitudinal direction. Or a metal thin plate having both sides of an uneven surface and having at least two different thicknesses in the width direction and a uniform continuous shape in the longitudinal direction. In the following, mainly as shown in FIG. 8 (a), one side is flat and the other side is uneven, and a thick flat central portion (thick plate portion) and both thin and flat sides. The strip-shaped metal thin plate 10 having a portion (thin plate portion) will be described.

  The coil 14 of the feeding portion 12 is wound with the uneven surface side inward, and the strip-shaped metal thin plate 10 fed from the feeding portion 12 passes through the guide roll 26 with the uneven surface facing the lower surface side, and the correction portion 16. Led to. The correction unit 16 is provided with five deformed rolls 22 arranged in parallel with each other below the transfer path of the belt-shaped metal thin plate 10 and arranged in parallel with each other on the upper side of the transfer path. It is composed of four pressing rolls 24.

  The deformed roll 22 is arranged so that its axis is orthogonal to the longitudinal direction of the strip-shaped metal thin plate 10. As shown in the sectional view of FIG. 2, the deformed roll 22 includes a trunk portion 30 that forms a central portion in the longitudinal direction, and a stepped shaft portion 32 that is integrally formed on both the left and right sides of the trunk portion 30. 32, and a rotating cylindrical portion 34, 34 disposed adjacent to both left and right side surfaces of the body portion 30 of the rotating portion 28, respectively. The rotating cylindrical portion 34 is supported on the outer peripheral surface of the stepped shaft portion 32 of the rotation portion 28 so as to be rotatable with respect to the rotation portion 28 via two bearings 36 and 38. Each stepped shaft portion 32 of the rotation portion 28 is supported by the lower frame 42 via a bearing 40 so as to be freely rotatable. Reference numerals 44 and 46 in FIG. 2 indicate locking nuts, and reference numeral 48 indicates a fixing ring. In the deformed roll 22 having such a configuration, as schematically shown in FIG. 5, the body portion 30 of the rotation portion 28 becomes a small diameter portion 50 that comes into contact with the thick plate portion 10 a of the belt-shaped metal thin plate 10, and the rotating cylindrical portion. 34 is the large-diameter portion 52 that comes into contact with the thin plate portion 10 b of the strip-shaped metal thin plate 10. The dimensional difference between the radius of the small-diameter portion 50 and the radius of the large-diameter portion 52 of the deformed roll 22 and the dimensional difference between the thickness of the thick plate portion 10a of the strip-shaped metal thin plate 10 and the thickness of the thin plate portion 10b are substantially equal. The radii of the small-diameter portion 50 and the large-diameter portion 52 of the deformed roll 22 are respectively determined. In addition, the width dimension (length in the direction along the axis) of the small-diameter portion 50 of the deformed roll 22 is set to be substantially equal to the width dimension of the thick plate portion 10a of the strip-shaped metal thin plate 10, and Each width dimension of the right both large diameter portions 52 is set to be equal to or slightly larger than the width dimension of both the left and right thin plate portions 10b of the strip-shaped metal thin plate 10.

  The above-described deformed roll 22 is in contact with the uneven surface of the strip-shaped metal thin plate 10, but the pressing roll 24 that is in contact with the flat surface of the strip-shaped metal thin plate 10 is as shown in a front view partly in section in FIG. 3. The body portion 54 whose length in the direction along the axial direction is equal to or slightly larger than the width of the strip-shaped metal sheet 10 is formed integrally with both the left and right sides of the body 54. The shaft portions 56 and 56 are configured. Each shaft portion 56 of the pressing roll 24 is supported by the upper frame 60 via a bearing 58 so as to be freely rotatable. Reference numeral 62 in FIG. 3 denotes a locking nut. The pressing roll 24 is disposed so that the axis thereof is orthogonal to the longitudinal direction of the strip-shaped metal thin plate 10, and thus is disposed in parallel with the deformed roll 22. Further, the four pressing rolls 24 are arranged in a staggered manner with the five deformed rolls 22, and a force for pressing the strip-shaped metal thin plate 10 against the peripheral surface of each deformed roll 22 is applied. It arrange | positions so that the lowest position of each press roll 24 may become below from the uppermost position of each profile roll 22. FIG. Further, although not shown in detail, the four pressing rolls 24 are provided on a common frame with two pressing rolls on the entry side (rear side in the transfer direction of the strip-shaped metal thin plate 10) and the outlet side (the strip-shaped metal thin plate). The two pressing rolls on the front side in the transfer direction 10 are held so as to be independently movable in the vertical direction, and the height position with respect to the deformed roll 22 can be adjusted by a screw jack, respectively. It has become.

  The transfer unit 18 includes two pairs of upper and lower transfer rolls 64 a and 64 b disposed in front of the deformed roll 22 and the pressing roll 24 in the transfer direction of the belt-shaped thin metal plate 10. As for each transfer roll 64a, 64b, the trunk | drum surface is each formed with the rubber material. Further, each of the transfer rolls 64 a and 64 b is installed such that the axis is orthogonal to the longitudinal direction of the strip-shaped metal thin plate 10. Further, although not shown, the support shafts of the respective transfer rolls 64a and 64b are respectively connected to a rotation drive mechanism, and serve as drive rolls that are driven to rotate. The pair of upper and lower transfer rolls 64a and 64b is a belt-like metal that is passed between the deformed roll 22 and the pressing roll 24 by rotating the belt-like metal thin plate 10 from both upper and lower surfaces. The thin plate 10 is pulled along the longitudinal direction thereof, and the strip-shaped metal thin plate 10 is continuously fed out from the feeding portion 12 and transferred in the longitudinal direction.

  The adjusting unit 20 includes a plurality of adjusting rolls arranged in front of the transfer rolls 64a and 64b in the transfer direction of the belt-shaped metal thin plate 10, that is, an upper roll 66, an adjustment roll 68, and a lower roll 70. ing. Each roll 66, 68, 70 has a cylindrical portion formed in a cylindrical shape. The rolls 66, 68, and 70 are installed such that their axes are orthogonal to the longitudinal direction of the strip-shaped metal thin plate 10, and the upper roll 66, the adjustment roll 68, and the lower roll 70 are arranged in a staggered manner. Yes. Further, although not shown, the support shafts of the rolls 66, 68, and 70 are respectively connected to a rotation drive mechanism, and the upper roll 66, the adjustment roll 68, and the lower roll 70 are driven to rotate. It has become. Then, the upper roll 66, the adjustment roll 68, and the lower roll 70 are respectively rotated and driven in contact with the upper surface and the lower surface of the strip-shaped metal thin plate 10, whereby tension is applied to the strip-shaped metal thin plate 10 along its longitudinal direction, The form in the longitudinal direction of the strip-shaped metal thin plate 10 is adjusted.

  The two upper transfer rolls 64a, the upper roll 66, and the adjustment roll 68 are held by a common lifting mechanism (not shown in detail), and can be moved in the vertical direction. The height position with respect to the transfer roll 64b and the lower roll 70 can be adjusted. Further, the adjustment roll 68 is held so as to be movable in the vertical direction independently. That is, as shown in a front view partially in section in FIG. 4, the adjustment roll 68 has its left and right support shafts 72 rotatable to a cylindrical shaft support member 76 via bearings 74, respectively. It is supported. Reference numeral 78 in FIG. 4 indicates a locking nut. An adjustment bolt 84 having an upper half threaded with a male screw is inserted in a through hole 82 formed in the device fixing portion 80 so as to be movable up and down. An adjusting nut 88 and a fixing nut 90 are screwed into the threaded portion 86 of the adjusting bolt 84. Further, the lower end portion of the adjusting bolt 84 is connected to the shaft support member 76 by a parallel pin 92, and the parallel pin 92 is fixed by a set screw 94. Further, a compression coil spring 98 is interposed between the spring holding member 96 integrally fixed to the shaft support member 76 and the device fixing portion 80, and an adjustment bolt 84 is inserted into the compression coil spring 96. . In an apparatus having such a mechanism, by adjusting the screwing position of the adjusting nut 88 with respect to the adjusting bolt 84, the adjusting bolt 84 moves in the vertical direction and is connected to the lower end portion of the adjusting bolt 84. The shaft support member 76 is moved in the vertical direction, and the height position of the adjustment roll 68 supported by the pair of shaft support members 76 is adjusted.

  In the correction device having the above-described configuration, the belt-shaped metal thin plate 10 is sandwiched and pulled by the transfer rolls 64 a and 64 b, and the belt-shaped metal thin plate 10 is continuously drawn out from the coil 14 of the feeding portion 12. The strip-shaped metal thin plate 10 fed out from the feeding unit 12 is passed between the deformed roll 22 and the pressing roll 24 of the correction unit 16 and transferred. While the belt-like metal thin plate 10 passes between the deformed roll 22 and the pressing roll 24, it is pressed against the peripheral surface of the deformed roll 22 by the pressing roll 24, and as shown in FIG. While being in close contact with the peripheral surface of the small diameter portion 48 of the deformed roll 22, the lower surfaces of both thin plate portions 10 b are transferred while being in close contact with both large diameter portions 50 of the deformed roll 22. Thus, the belt-like metal thin plate 10 is transferred while being sequentially pressed against the peripheral surfaces of the plurality of deformed rolls 22, thereby releasing the residual stress possessed by the material of the belt-like metal thin plate 10, and FIG. And the curl of the thick plate portion 10a of the strip-shaped metal thin plate 10 (the curl is hardly generated in the thin plate portion 10b) is corrected. At this time, each of the deformed roll 22 and the pressing roll 24 is supported so as to be freely rotatable, and therefore rotates with the movement of the strip-shaped metal thin plate 10. Further, since both large diameter portions 50 are rotatable with respect to the small diameter portion 48 of the deformed roll 22, the small diameter portion 48 of the deformed roll 22 slips between the thick plate portion 10 a of the strip-shaped metal thin plate 10. While rotating without generating, the large diameter portion 50 of the deformed roll 22 also rotates without causing slip between the thin plate portion 10b of the strip-shaped metal thin plate 10. For this reason, the surface of the strip-shaped metal thin plate 10 is not damaged.

  The strip-shaped metal sheet 10 whose width warpage and curl have been corrected by the correction unit 16 is transferred through the transfer unit 18 between the upper roll 66 and the adjustment roll 68 and the lower roll 70 of the adjustment unit 20. And the form in the longitudinal direction of the strip | belt-shaped metal thin plate 10 is adjusted by providing tension | tensile_strength along the longitudinal direction with respect to the strip | belt-shaped metal thin plate 10 with these rolls 66, 68, and 70. Although not shown, the strip-shaped metal thin plate 10 whose width warpage and curl have been corrected as described above is transported to a processing apparatus such as press working or wound on a take-up reel or the like.

  In the above-described embodiment, as shown in FIG. 5, in the strip-shaped metal thin plate 10 having a deformed cross section in which one side is flat, the other side is uneven, the central part is thick, and both side parts are thin. The case of correcting the width warp has been described. As schematically shown in the front view of FIG. 6, one side is flat, the other side is uneven, the central part is formed thin, and both side parts are formed thick. In the case of correcting the width warpage and curl in the strip-shaped metal thin plate 100 having an irregular cross section, the central portion in the axial direction is the large-diameter portion 104 that contacts the thin plate portion 100a of the strip-shaped metal thin plate 100, and is adjacent to the central portion. Both the left and right side portions are made into small diameter portions 106 that are in contact with the thick plate portion 100b of the strip-shaped metal thin plate 100, and both the small diameter portions 106 rotate relative to the large diameter portion 104, respectively. Using the profile roll 102 is the ability, it is sufficient to correct the width warp in the strip metal sheet 100 between the pressing rolls as shown in such a profiled roll 102 and FIG.

  Further, as schematically shown in the front view in FIG. 7, when correcting the width warpage and curl in the strip-shaped metal thin plate 110 having irregular cross-sections on both surfaces, the surface is shown in FIG. As described above, the body portion is formed from the small diameter portion 114 in contact with the thick plate portion 110a of the strip-shaped metal thin plate 110 and the large diameter portion 116 in contact with the thin plate portion 110b of the strip-shaped metal thin plate 110. A first deformed roll 112 having a relatively rotatable diameter portion 116 is disposed on the upper surface side of the strip-shaped metal thin plate 110, and as shown in FIG. 7B, the thick plate portion of the strip-shaped metal thin plate 110 is disposed. A body portion is formed from the small diameter portion 120 in contact with 110 a and the large diameter portion 122 in contact with the thin plate portion 110 b of the strip-shaped metal thin plate 110, and the large diameter portion 122 is rotatable relative to the small diameter portion 120. First The profiled roll 118 disposed on the lower surface side of the strip-shaped metal sheet 110, both profiled rolls 112 and 118 with each other so that mutually pressed against each other in a band-like thin metal plate 110 with respect to each of the peripheral surface. By transporting the strip-shaped metal sheet 110 between the first profile roll 112 and the second profile roll 118, the width warpage and curl of the strip-shaped metal sheet 110 are corrected.

  In the above-described embodiment, a plurality of deformed rolls 22 and 102 and pressing rolls 24 are juxtaposed along the direction of transport of the strip metal thin plates 10 and 100, respectively, and the first deformed roll 112 and the second deformed roll A plurality of rolls 118 are arranged in parallel along the direction of transport of the belt-shaped thin metal plate 110, but two deformed rolls and one pressing roll, or one deformed roll and two pressing rolls, Are arranged in a staggered manner along the direction of transport of the belt-shaped metal thin plate, or two first deformed rolls and one second deformed roll, or one first deformed roll and 2 The second deformed rolls of the book may be arranged in a staggered manner along the transport direction of the strip metal sheet.

It is a schematic diagram which shows one example of embodiment of this invention and shows schematic structure of the correction | amendment apparatus of the strip | belt-shaped metal thin plate which has an irregular cross section. It is sectional drawing of the deformed roll which is a component of the correction apparatus shown in FIG. It is the front view which represented a part of section of the press roll which is a component of the correction apparatus shown in FIG. It is the front view which represented a part of adjustment roll which is a component of the correction apparatus shown in FIG. 1 with the cross section. It is a front view which shows typically the contact state of the abnormally shaped roll in the correction apparatus shown in FIG. 1, and the strip | belt-shaped metal thin plate which has an irregular cross section. It is a typical front view which shows another embodiment of this invention and shows the contact state of the strip-shaped metal thin plate which has a deformed roll and a deformed cross section. FIG. 9 is a schematic front view showing still another embodiment of the present invention and showing contact states between the first and second deformed rolls and a strip-shaped metal thin plate having a deformed cross section. It is a cross-sectional view which shows the example of the cross-sectional shape of the strip | belt-shaped metal thin plate which has a deformed cross section. It is a cross-sectional view for demonstrating the curvature in the width direction which generate | occur | produces in the strip | belt-shaped metal thin plate which has a deformed cross section.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10,100,110 Strip | belt-shaped metal thin plate which has a deformed cross section 12 Unwinding part 14 Coil 16 Correction | amendment part 18 Transfer part 20 Adjustment part 22, 102, 112, 118 Deformation roll 24 Press roll 28 Rotation part of unusual shape roll 30 Trunk part of rotation part 32 Stepped shaft portion of rotation portion 34 Rotating cylindrical portion 36, 38, 40, 58 Bearing 50, 106, 114, 120 Small diameter portion of irregular roll 52, 104, 116, 122 Large diameter portion of irregular roll 54 Body of press roll Portion 56 Pressing roll shaft 64a, 64b Transfer roll 66 Upper roll 68 Adjust roll 70 Lower roll

Claims (6)

A belt-shaped metal sheet having a flat surface on one side and having at least two different thicknesses in the width direction and a uniform continuous shape in the length direction, while being transported in the length direction, the width direction and length of the band-shaped metal sheet In a straightening device for a strip-shaped metal sheet having an irregular cross section, which corrects warping in the direction,
A feeding portion for continuously feeding the strip-shaped metal thin plate in the longitudinal direction;
On the concavo-convex surface side of the strip-shaped metal thin plate fed out from the feed-out portion, the strips are arranged in parallel with each other along the transport direction of the strip-shaped metal thin plate and the respective axes are orthogonal to the longitudinal direction of the strip-shaped metal thin plate, It consists of a large-diameter portion that contacts the thin plate portion of the strip-shaped metal thin plate and a small-diameter portion that contacts the thick plate portion, and the small-diameter portion is relatively rotatable with respect to the large-diameter portion, and is pivotally mounted so as to be freely rotatable. Multiple profile rolls,
On the flat surface side of the strip-shaped metal sheet fed from the feeding section, the strips are arranged in parallel with each other along the transport direction of the strip-shaped metal sheet, and the respective axes are orthogonal to the longitudinal direction of the strip-shaped metal sheet. In addition, the deformed rolls are arranged in a staggered manner between the deformed rolls and are pivotally mounted so as to be freely rotatable, and contact the flat surface of the strip-shaped metal thin plate with the strip-shaped metal thin plate against the peripheral surface of the deformed roll. A plurality of pressing rolls to be pressed;
In the transfer direction of the band-shaped metal thin plate, on the front side of the deformed roll and the pressing roll, the axes are respectively arranged so as to be orthogonal to the longitudinal direction of the band-shaped metal thin plate, and sandwich the band-shaped metal thin plate from both sides, At least a pair of transfer rolls that pulls the strip-shaped metal sheet passed between the deformed roll and the pressing roll along its longitudinal direction; and
Drive means for rotationally driving the transfer roll;
An apparatus for correcting a strip-shaped metal sheet having an irregular cross section, comprising: A belt-shaped metal sheet having a flat surface on one side and having at least two different thicknesses in the width direction and a uniform continuous shape in the length direction, while being transported in the length direction, the width direction and length of the band-shaped metal sheet In a straightening device for a strip-shaped metal sheet having an irregular cross section, which corrects warping in the direction,
A feeding portion for continuously feeding the strip-shaped metal thin plate in the longitudinal direction;
On the concavo-convex surface side of the strip-shaped metal thin plate fed out from the feed-out portion, the strips are arranged in parallel with each other along the transport direction of the strip-shaped metal thin plate and the respective axes are orthogonal to the longitudinal direction of the strip-shaped metal thin plate, It consists of a large-diameter portion that contacts the thin plate portion of the strip-shaped metal thin plate and a small-diameter portion that contacts the thick plate portion, and the small-diameter portion is relatively rotatable with respect to the large-diameter portion, and is pivotally mounted so as to be freely rotatable. Two profile rolls,
On the flat surface side of the strip-shaped metal sheet fed out from the feeding section, the axis is arranged so as to be orthogonal to the longitudinal direction of the strip-shaped metal sheet, and in a zigzag manner with respect to the profile roll between the two profile rolls A single pressing roll that is arranged and pivotally mounted so as to be freely rotatable, abuts against the flat surface of the belt-shaped metal thin plate, and presses the belt-shaped metal thin plate against the peripheral surface of the deformed roll;
In the transfer direction of the band-shaped metal thin plate, on the front side of the deformed roll and the pressing roll, the axes are respectively arranged so as to be orthogonal to the longitudinal direction of the band-shaped metal thin plate, and sandwich the band-shaped metal thin plate from both sides, At least a pair of transfer rolls that pulls the strip-shaped metal sheet passed between the deformed roll and the pressing roll along its longitudinal direction; and
Drive means for rotationally driving the transfer roll;
An apparatus for correcting a strip-shaped metal sheet having an irregular cross section, comprising: A belt-shaped metal sheet having a flat surface on one side and having at least two different thicknesses in the width direction and a uniform continuous shape in the length direction, while being transported in the length direction, the width direction and length of the band-shaped metal sheet In a straightening device for a strip-shaped metal sheet having an irregular cross section, which corrects warping in the direction,
A feeding portion for continuously feeding the strip-shaped metal thin plate in the longitudinal direction;
A large-diameter portion and a thick plate portion that are arranged on the uneven surface side of the strip-shaped metal thin plate fed out from the feed-out portion so that the axis is orthogonal to the longitudinal direction of the strip-shaped metal thin plate, A deformed roll comprising a small-diameter portion that comes into contact with the small-diameter portion, which is relatively rotatable with respect to the large-diameter portion;
On the flat surface side of the strip-shaped metal sheet fed from the feeding section, the strips are arranged in parallel with each other along the transport direction of the strip-shaped metal sheet, and the respective axes are orthogonal to the longitudinal direction of the strip-shaped metal sheet. And two pressing rolls that are arranged in a staggered manner on the deformed roll and are pivotally mounted so as to freely rotate, and abut against the flat surface of the strip metal thin plate to press the strip metal thin plate against the peripheral surface of the deform roll. When,
In the transfer direction of the band-shaped metal thin plate, on the front side of the deformed roll and the pressing roll, the axes are respectively arranged so as to be orthogonal to the longitudinal direction of the band-shaped metal thin plate, and sandwich the band-shaped metal thin plate from both sides, At least a pair of transfer rolls that pulls the strip-shaped metal sheet passed between the deformed roll and the pressing roll along its longitudinal direction; and
Drive means for rotationally driving the transfer roll;
An apparatus for correcting a strip-shaped metal sheet having an irregular cross section, comprising: While the belt-shaped metal thin plate having both sides of an uneven surface and having at least two different thicknesses in the width direction and having a uniformly continuous shape in the longitudinal direction is transported in the longitudinal direction, the width direction of the belt-shaped metal thin plate and In a correction device for a strip-shaped metal sheet having an irregular cross section for correcting warpage in the longitudinal direction,
A feeding portion for continuously feeding the strip-shaped metal thin plate in the longitudinal direction;
On one side of the strip-shaped metal sheet fed out from the feeding section, the strip-shaped sheet metal is arranged in parallel with each other along the transport direction of the strip-shaped sheet metal so that each axis is orthogonal to the longitudinal direction of the strip-shaped sheet metal plate. A plurality of thin metal plates, each having a large diameter portion that contacts the thin plate portion and a small diameter portion that contacts the thick plate portion, the small diameter portion being relatively rotatable with respect to the large diameter portion, and axially mounted so as to be freely rotatable. A first profile roll of books;
The other side of the strip-shaped metal sheet fed from the feeding section is arranged in parallel with each other along the transport direction of the strip-shaped metal sheet so that the respective axes are orthogonal to the longitudinal direction of the strip-shaped metal sheet. In addition, each of the first deformed rolls is arranged in a staggered manner between the first deformed rolls, and includes a large diameter portion that contacts the thin plate portion of the strip-shaped metal thin plate and a small diameter portion that contacts the thick plate portion, A plurality of second variants in which the small-diameter portion is rotatable relative to the large-diameter portion and is pivotally attached so as to be freely rotatable, and presses the belt-shaped metal thin plate against the peripheral surface of the first variant roll. Roles,
The belt-shaped metal sheet is disposed on both sides of the belt-shaped metal sheet in the transport direction of the belt-shaped metal sheet so that the axis is perpendicular to the longitudinal direction of the belt-shaped metal sheet. At least a pair of transfer rolls which are sandwiched from the side and pull the strip-shaped metal thin plate passed between the first deformed roll and the second deformed roll along its longitudinal direction;
Drive means for rotationally driving the transfer roll;
An apparatus for correcting a strip-shaped metal sheet having an irregular cross section, comprising: While the belt-shaped metal thin plate having both sides of an uneven surface and having at least two different thicknesses in the width direction and having a uniformly continuous shape in the longitudinal direction is transported in the longitudinal direction, the width direction of the belt-shaped metal thin plate and In a correction device for a strip-shaped metal sheet having an irregular cross section for correcting warpage in the longitudinal direction,
A feeding portion for continuously feeding the strip-shaped metal thin plate in the longitudinal direction;
On one side of the strip-shaped metal sheet fed out from the feeding section, the strip-shaped sheet metal is arranged in parallel with each other along the transport direction of the strip-shaped sheet metal so that each axis is orthogonal to the longitudinal direction of the strip-shaped sheet metal plate. 2 comprising a large-diameter portion in contact with a thin plate portion of a metal thin plate and a small-diameter portion in contact with a thick plate portion, the small-diameter portion being relatively rotatable with respect to the large-diameter portion, and being axially mounted so as to be freely rotatable. A first profile roll of books;
On the other side of the strip-shaped metal sheet fed out from the feed-out portion, an axis is disposed so as to be orthogonal to the longitudinal direction of the strip-shaped metal sheet, and a first between the two first deformed rolls. It is arranged in a staggered manner with respect to the deformed roll, and consists of a large diameter portion that contacts the thin plate portion of the belt-shaped metal thin plate and a small diameter portion that contacts the thick plate portion, and the small diameter portion is relatively rotatable with respect to the large diameter portion. A second deformed roll that is pivotally mounted so as to be freely rotatable and presses the strip-shaped metal sheet against the peripheral surface of the first deformed roll;
The belt-shaped metal sheet is disposed on both sides of the belt-shaped metal sheet in the transport direction of the belt-shaped metal sheet so that the axis is perpendicular to the longitudinal direction of the belt-shaped metal sheet. At least a pair of transfer rolls which are sandwiched from the side and pull the strip-shaped metal thin plate passed between the first deformed roll and the second deformed roll along its longitudinal direction;
Drive means for rotationally driving the transfer roll;
An apparatus for correcting a strip-shaped metal sheet having an irregular cross section, comprising: 6. The apparatus according to claim 1, further comprising an adjustment roll that is disposed in front of the transfer roll in the transfer direction of the strip metal thin plate and applies tension to the strip metal thin plate along the longitudinal direction thereof. The correction apparatus of the strip | belt-shaped metal thin plate which has a deformed cross section of a crab.

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