JP2009183196A - Levee-plastering machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a levee-plastering machine that sufficiently compacts piled soil by a levee top surface forming body and a levee side surface forming body. <P>SOLUTION: The levee-plastering machine 1 is equipped with a soil piling body 32 for piling soil, a levee top surface forming body 33 for forming a levee top surface and a levee side surface forming body 34 for forming a levee side surface. The levee top surface forming body 33 receives power from the driving and rotating means 35 and is driven and rotated around a rotation center axis line in parallel with the levee top surface. The levee side surface forming body 34 receives power from the driving and rotating means 35 and is driven and rotated around the rotation center axis line in parallel with the levee side surface. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a crease coater capable of sufficiently compacting a bank with a ridge upper surface formation body and a ridge side surface formation body and capable of forming a good ridge.

Conventionally, for example, a wrinkle coater described in Patent Document 1 below is known. This conventional glazing machine is composed of an embankment that raises the soil, a cocoon shaping plate that vibrates and compacts the embankment to form a cocoon, and a heel surface that is driven and rotated by the force from the heel behind the cocoon shaping plate. And two shaping rollers for finishing.
JP-A-8-6 (FIGS. 1 and 2)

  However, in the above conventional scissor coater, the two shaping rollers receive the force from the scissors and follow and rotate to finish the scissors surface, so that the embankment can be sufficiently compacted with only these two scoring rollers. This is not possible, and a saddle shaping plate is required separately from the shaping roller.

  The present invention has been made in view of the above points, and is intended to provide a crease coater that can sufficiently compact the embankment with the ridge upper surface formation body and the ridge side surface formation body and can form good ridges. Objective.

  The dredging machine according to claim 1, wherein the embankment for raising the soil and the embankment formed by the embankment are compacted while driving and rotating around a rotation center axis parallel to the upper surface of the reed to form a reed upper surface. An upper surface forming body, an eaves side surface forming body that forms an eaves side surface by compacting the embankment by the embankment body while driving and rotating about a rotation center axis parallel to the eaves side surface, the eaves upper surface formation body, and the And a driving rotation means for driving and rotating the heel side surface forming body.

  The wrinkle coater according to claim 2 is the wrinkle coater according to claim 1, wherein the rotation center axis of the wrinkle upper surface forming body and the rotation center axis of the wrinkle side surface forming body are located on the same straight line in plan view. It is.

  The wrinkle coater according to claim 3 is the wrinkle coater according to claim 1, wherein the rotation center axis of the wrinkle upper surface forming body and the rotation center axis of the wrinkle side surface forming body are positioned on straight lines parallel to each other in plan view. To do.

  The glazing machine according to claim 4 is the glazing machine according to any one of claims 1 to 3, wherein an angle formed between the rotation center axis of the heel surface forming body and the rotation center axis of the heel side surface forming body is adjustable. It is what has become.

  The wrinkle coater according to claim 5 is the wrinkle coater according to claim 4, wherein the rotation upper surface axis of the wrinkle side surface forming body is rotated with respect to the rotation center axis of the wrinkle upper surface formation body. An angle adjusting means capable of adjusting an angle formed between the rotation center axis of the body and the rotation center axis of the side surface forming body is provided.

  The glazing machine according to claim 6 is the glazing machine according to any one of claims 1 to 5, wherein the drive rotation means drives and rotates the heel surface forming body and the heel side surface forming body at different rotational speeds. It is.

  According to the first aspect of the present invention, the heel upper surface forming body that forms the heel upper surface by compacting the embankment while driving and rotating about the rotation center axis parallel to the ridge upper surface, and parallel to the heel side surface Since it is a configuration comprising a heel side surface forming body that forms a heel side surface by compacting the embankment while driving and rotating around the rotation center axis, and a drive rotation means that drives and rotates the heel surface forming body and the heel side surface forming body. The embankment can be sufficiently compacted by the heel upper surface forming body and the heel side surface forming body that are driven to rotate, and a good ridge can be formed.

  According to the invention which concerns on Claim 2, it is comprised so that the rotation center axis line of the collar upper surface formation body and the rotation center axis line of the collar side surface formation body may be located on the same straight line by planar view, The compact of a collar formation part Can be achieved.

  According to the third aspect of the invention, the configuration is such that the rotation center axis of the heel surface forming body and the rotation center axis of the heel side surface forming body are positioned on straight lines parallel to each other in plan view. It is possible to improve the degree.

  According to the invention which concerns on Claim 4, since the angle which the rotation center axis line of the collar upper surface formation body and the rotation center axis line of the collar side surface formation body can adjust, a much more favorable collar can be formed.

  According to the fifth aspect of the present invention, the rotation center axis of the heel surface forming body and the heel side surface are rotated by rotating the rotation center axis of the heel side surface forming body with respect to the rotation center axis of the heel surface forming body by the angle adjusting means. The angle formed with the rotation center axis of the formed body can be adjusted appropriately.

  According to the invention which concerns on Claim 6, an even more favorable eyelid can be formed by carrying out drive rotation of the eyelid upper surface formation body and the eyelid side surface formation body at mutually different rotational speeds.

  An embodiment of the lacquering machine of the present invention will be described with reference to FIGS.

  In FIG. 1 to FIG. 3, reference numeral 1 denotes a hull coater, which is used by being connected to the rear part of a tractor (not shown) which is a traveling vehicle.

  The coater 1 is connected to a fixed machine frame 2 connected to a three-point link (worker lifting support device) at the rear of the tractor and two links 3 and 4 parallel to the fixed machine frame 2. A movable machine frame 5 that can be translated in the left-right direction with respect to the fixed machine frame 2, a hydraulic cylinder 6 that is a drive unit that translates the movable machine frame 5 with respect to the fixed machine frame 2, and a movable machine frame 5. And a working means 7 for carrying out a drape work while moving forward by running of the tractor in a state of projecting sideways from the tractor.

  The fixed machine frame 2 has a shaft holding portion 11, and an input shaft 12 in the front-rear direction is rotatably provided on the shaft holding portion 11. The input shaft 12 is connected to the PTO shaft of the tractor via a joint and a transmission shaft.

  The hydraulic cylinder 6 includes a cylinder body 13 and a rod 14 that enters and exits from the cylinder body 13. A base end portion of the cylinder body 13 is rotatably connected to the stationary machine frame 2, and a distal end portion of the rod 14 is rotatably connected to an intermediate portion of the one link 4.

  The movable machine frame 5 has a shaft holding portion 16. An intermediate input shaft 17 in the front-rear direction is rotatably provided on the shaft holding portion 16, and the input shaft 12 and the intermediate input shaft 17 are connected by a transmission means 18. Has been.

  The movable machine frame 5 includes a transmission frame portion 21 that is elongated in the left-right direction, a frame portion 22 that is fixed to the right end portion of the transmission frame portion 21, and a portion that is fixed to the frame portion 22 and that is partly a chain case. And a second support frame portion provided on the first support frame portion 24 so as to be pivotable in the vertical direction about a support shaft (rotation fulcrum) 26 in the front-rear direction. And 25. In addition, a ground ring 27 is attached to the transmission frame portion 21 via an attachment frame 28.

  The working means 7 is provided with a top surface cutting body 31 that performs top surface cutting while driving and rotating, and a banking body 32 that cultivates the paddy and paddy soil while driving and raising the top surface. In addition, the working means 7 is formed in a horizontal shape by compacting the embankment by the embankment body 32 while driving and rotating in a predetermined direction (the arrow direction in FIG. 1) about a rotation center axis parallel to the horizontal saddle surface A. The upper surface forming body 33 such as an upper surface roller that forms the upper surface A of the inner surface and a rotation center axis parallel to the inclined upper surface B inclined with respect to the horizontal direction (indicated by an arrow in FIG. 1) ), The power from the intermediate input shaft 17 side is transmitted by transmitting the power from the intermediate input shaft 17 side. Drive rotation means 35 is provided that rotates the formation bodies 33, 34 in a predetermined direction (slip drive rotation) by being applied to the upper surface formation body 33 and the side surface formation body 34. Note that the heel surface forming body 33 and the heel side surface forming body 34 constitute the heel forming portion 40.

  The drive rotation means 35 includes a first transmission shaft 41 in the transmission frame portion 21 of the movable machine frame 5, and a second transmission shaft 42 rotatably connected to the first transmission shaft 41 via a connection member 46. A third transmission shaft 43 rotatably connected to the second transmission shaft 42 via a connecting member 47, a chain 50 connected to the third transmission shaft 43 via a sprocket or the like, and this chain 50 The fourth transmission shaft 44 is connected to the fourth transmission shaft 44 via a sprocket or the like, and the fifth transmission shaft 45 is rotatably connected to the fourth transmission shaft 44 via a connection member 48.

  The upper surface forming body 33 has a cylindrical shape whose outer peripheral surface is a cylindrical surface, and is attached to a fourth transmission shaft 44 that is a drive rotation shaft. The fourth transmission shaft 44 is integrated with the fourth transmission shaft 44. Drives and rotates about a horizontal rotation center axis (rotation center axis parallel to the upper surface) passing through the 44 axis. The upper surface forming body 33 is horizontally supported by the first support frame portion 24 via the fourth transmission shaft 44 so as to be driven to rotate.

  The side surface forming body 34 has a cylindrical shape whose outer peripheral surface forms a cylindrical surface, and is attached to a fifth transmission shaft 45 that is a drive rotation shaft, and is integrated with the fifth transmission shaft 45 to form the fifth transmission shaft. Driven and rotated about an inclined rotation center axis (rotation center axis parallel to the side surface) passing through the 45 axis. The collar side surface forming body 34 is supported by the second support frame portion 25 via the fifth transmission shaft 45 in an inclined manner so as to be capable of driving and rotating. The outer diameter dimension of the cylindrical saddle face forming body 34 is the same as the outer diameter dimension of the cylindrical saddle face forming body 33.

  Further, as shown in FIG. 1, the rotation center axis of the heel surface forming body 33 and the rotation center axis of the heel side surface forming body 34 are located on the same straight line along the left-right direction in plan view.

  Further, as shown in FIGS. 2 and 3, the angle α formed between the rotation center axis of the heel surface forming body 33 and the rotation center axis of the heel side surface forming body 34 in the rear view can be adjusted. That is, for example, by rotating the rotation center axis of the heel side surface forming body 34 with respect to the rotation center axis of the heel surface forming body 33, the rotation center axis of the heel surface forming body 33 and the rotation center axis of the heel side surface forming body 34 An angle adjusting means 51 capable of adjusting the angle α formed between the first support frame portion 24 and the second support frame portion 25 is provided.

  The angle adjusting means 51 is configured by an extendable hydraulic cylinder 52. The hydraulic cylinder 52 includes a cylinder body 53 and a rod 54 that enters and exits the cylinder body 53. A base end portion of the cylinder body 53 is rotatably connected to the second support frame portion 25, and a distal end portion of the rod 54 is rotatably connected to the first support frame portion 24. The hydraulic cylinder 52 expands and contracts under the control of the control means based on the operation of the operation means (not shown).

  When the hydraulic cylinder 52 extends, the saddle side surface forming body 34 rotates upward together with the second support frame portion 25 about the support shaft 26. As a result, the rotation center axis of the saddle top surface forming body 33 and the saddle side surface forming body The angle α formed with the rotation center axis of 34 increases. That is, the inclination angle with respect to the horizontal direction of the rotation center axis of the side surface forming body 34 is reduced.

  When the hydraulic cylinder 52 is contracted, the side surface forming body 34 rotates downward together with the second support frame portion 25 about the support shaft 26, and as a result, the rotation center axis of the top surface forming body 33 and the side surface forming body 34 The angle α formed with the rotation center axis decreases. That is, the inclination angle with respect to the horizontal direction of the rotation center axis of the side surface forming body 34 is increased.

  On the other hand, the heel surface cutting body 31 has a drive shaft 56 and a cutting claw 57 provided on the drive shaft 56, and the heel surface cutting body 31 is supported by the support frame portion 58 of the movable machine frame 5. ing. The embankment body 32 includes a drive shaft 59 and a tilling claw 60 provided on the drive shaft 59, and the embankment body 32 is supported by the support frame portion 61 of the movable machine frame 5.

  Next, the operation and the like of the above-described glazing machine 1 are described.

  When the spreader 1 is connected to the three-point link at the rear of the tractor and the tractor is run, the spreader 1 moves forward together with the tractor, and the upper surface cutting body 31, the banking body 32, and the upper surface forming body 33 and the side surface forming body 34 are driven to rotate.

  The heel upper surface forming body 33 and the heel side surface forming body 34 are driven to rotate so as to slip with respect to the heel upper surface A and the heel side surface B at the same rotational speed upon receiving power from the drive rotation means 35. That is, the peripheral speeds of both forming bodies 33 and 34 are set to a value faster than the traveling speed of the tractor.

  Then, the top surface cutting work is performed by the saddle top surface cutting body 31, the filling work is performed by the filling body 32, the filling is compacted by the top surface forming body 33, the top surface A is formed, and the side surface formation is performed. The embankment is compacted by the body 34 to form the heel side surface B.

  As described above, according to the glazing machine 1, the heel upper surface forming body 33 that forms the heel upper surface A by compacting the embankment while driving and rotating around the rotation center axis parallel to the heel upper surface A, and the heel side surface B畦 side surface forming body 34 that forms the heel side surface B by compacting the embankment while driving and rotating about a rotation center axis parallel to the rotation axis, and drive rotation means 35 that drives and rotates both the formed bodies 33 and 34. Since it is a structure, the embankment can fully be compacted by both the formation bodies 33 and 34 which drive-rotate, and the strong ridge which is hard to collapse can be formed.

  In addition, it is possible to reduce the size of the heel forming portion 40 by configuring the rotation center axis of the heel upper surface forming body 33 and the rotation center axis of the heel side surface forming body 34 to be on the same straight line in plan view. In addition, the weight of the ridge forming portion 40 can be reduced, and the two formed bodies 33 and 34 can be driven and rotated with a small force.

  Further, the rotation center axis of the heel upper surface forming body 33 is rotated by rotating the rotation center axis of the heel side surface forming body 34 relative to the rotation center axis of the heel upper surface forming body 33 by adjusting the expansion and contraction of the hydraulic cylinder 52 of the angle adjusting means 51. And the angle α formed by the axis of rotation of the heel side surface forming body 34 can be appropriately adjusted, and the shape of the heel can be appropriately handled.

  Next, a modification will be described. First, as shown in FIG. 4, the coater 1 may be one in which the second support frame portion 25 is fixed to the frame portion 22 and the angle α is constant.

  4 has a power transmission path different from that shown in FIG. 2, and a second transmission shaft 62 connected to the first transmission shaft 41 in the transmission frame portion 21, and the second transmission shaft 62. A third transmission shaft 63 is rotatably connected to the transmission shaft 62 via a connection member 66, a fourth transmission shaft 64 is connected to the third transmission shaft 63, and a connection member is connected to the fourth transmission shaft 64. A fifth transmission shaft 65 is rotatably connected via 67.

  The upper surface forming body 33 is attached to the fifth transmission shaft 65 which is a drive rotation shaft, and is integrated with the fifth transmission shaft 65 and passes through the axial center of the fifth transmission shaft 65. Drives and rotates about (rotation center axis parallel to the upper surface of the heel). The side surface forming body 34 is attached to a fourth transmission shaft 64 that is a drive rotation shaft, and is integrated with the fourth transmission shaft 64 to pass through an inclined rotation center axis line (伝Drives and rotates about a rotation center axis parallel to the side surface.

  Further, the side surface forming body 34 may be a frustoconical shape that gradually decreases in diameter as shown in FIG. 5, or a wharf that gradually decreases in diameter as shown in FIG. It may be conical. Although not shown, the ridge upper surface forming body 33 may have a truncated cone shape.

  Furthermore, as shown in FIG. 7, a plurality of elastic plates 70 may be attached to the outer peripheral surface of the cylindrical saddle face forming body 33 and the outer peripheral surface of the cylindrical saddle face forming body 34. Although not shown, a plurality of elastic plates may be attached to the outer peripheral surface of the truncated cone-shaped ridge upper surface forming body 33 and the outer peripheral surface of the truncated cone-shaped ridge side surface forming body 34.

  Further, as shown in FIGS. 8 to 10, in the wrinkle coater 1, the rotation center axis of the wrinkle upper surface forming body 33 and the rotation center axis of the wrinkle side surface forming body 34 are located on straight lines parallel to each other in plan view. It may be a thing. That is, for example, as shown in FIG. 8, in plan view, the rotation center axis of the heel surface forming body 33 is parallel to the rotation center axis of the heel side surface forming body 34, and the rotation center axis of the heel surface forming body 33 is It may be located behind the rotation center axis of the side surface forming body 34. Although not shown, the rotation center axis of the heel surface forming body 33 may be positioned forward of the rotation center axis of the heel side surface forming body 34.

  8 to 10, the first support frame portion 24 is fixed to the right end portion of the transmission frame portion 21 of the movable machine frame 5, and the first support frame portion 24 has the second support. A frame portion 25 is provided so as to be rotatable in the vertical direction about the support shaft 26. Further, the base end portion of the cylinder body 53 of the hydraulic cylinder 52 is rotatably connected to the first support frame portion 24, and the distal end portion of the rod 54 is rotatably connected to the second support frame portion 25.

  The driving rotation means 35 shown in FIGS. 8 to 10 includes a second transmission shaft 72 rotatably connected to a first transmission shaft 41 in the transmission frame portion 21 via a contact member 77, and the second transmission shaft 72. 2. A third transmission shaft 73 connected to the transmission shaft 72 via a connecting member 78 so as to be rotatable, a chain 79 connected to the third transmission shaft 73 via a sprocket or the like, and a sprocket or the like to the chain 79 A fourth transmission shaft 74 connected via a connecting member, a fifth transmission shaft 75 rotatably connected to the fourth transmission shaft 74 via a connecting member 80, and a connecting member 81 connected to the fifth transmission shaft 75. And a sixth transmission shaft 76 that is pivotally connected via the.

  The upper surface forming body 33 is attached to a third transmission shaft 73 that is a drive rotation shaft, and is integrated with the third transmission shaft 73 and passes through the axis of the third transmission shaft 73 in a horizontal rotation center axis. Drives and rotates about (rotation center axis parallel to the upper surface of the heel). The heel side surface forming body 34 is attached to a sixth transmission shaft 76 that is a drive rotation shaft, and is integrated with the sixth transmission shaft 76 and has an inclined rotation center axis line (畦) that passes through the axis of the sixth transmission shaft 76. Drives and rotates about a rotation center axis parallel to the side surface.

  According to the wrinkle coater 1, the rotation center axis of the wrinkle upper surface forming body 33 and the rotation center axis of the wrinkle side surface forming body 34 are configured to be located on straight lines parallel to each other in plan view. The degree of freedom in design can be improved, for example, the configuration in which the rotational speed of the heel surface forming body 33 and the heel side surface forming body 34 are different, or the front surface forming body 33 and the heel side surface forming body 34 It can be configured to overlap in the direction.

  In this embodiment, the drive rotation means 35 shown in FIG. 11 may be used.

  The drive rotation means 35 shown in FIG. 11 has a power transmission path different from that shown in FIG. 9 and is connected to a first transmission shaft 41 in the transmission frame portion 21 via a connecting member 87 so as to be rotatable. A transmission shaft 82 and a third transmission shaft 83 rotatably connected to the second transmission shaft 82 via a connecting member 88 are provided. The drive rotation means 35 includes a fourth transmission shaft 84 connected to the first transmission shaft 41, and a fifth transmission shaft 85 rotatably connected to the fourth transmission shaft 84 via a connection member 89. And a sixth transmission shaft 86 connected to the fifth transmission shaft 85.

  The upper surface forming body 33 is attached to the third transmission shaft 83 which is a drive rotation shaft, and is integrated with the third transmission shaft 83 and passes through the axial center of the third transmission shaft 83. Drives and rotates about (rotation center axis parallel to the upper surface of the heel). The heel side surface forming body 34 is attached to a sixth transmission shaft 86 that is a drive rotation shaft, and is integrated with the sixth transmission shaft 86 and has an inclined rotation center axis line (畦Drives and rotates about a rotation center axis parallel to the side surface.

  In any of the embodiments, for example, as shown in FIG. 12, the heel upper surface forming body 33 and the heel side surface forming body 34 may be driven to rotate around the eccentric rotation center axis. Further, the cross-sectional shape of the heel surface forming body 33 and the heel side surface forming body 34 may be an oval shape as shown in FIG. 13, a cam shape as shown in FIG. 14, or a spiral step as shown in FIG. The shape which has the part 90 may be sufficient.

  Further, for example, although not shown, the drive rotation means 35 is a motor that is provided separately from the first drive source such as a motor that drives and rotates the collar upper surface formation body 33 and the first drive source and that rotates the collar side surface formation body 34. And the like having a second drive source such as the above.

  Further, the rotational speed of the heel face forming body 33 and the rotational speed of the heel side face forming body 34 may be set individually or simultaneously as desired by controlling the drive rotating means 35 based on the operation of the operating means.

  Further, the wrinkle coater 1 has a configuration in which the rotation center axis of the wrinkle top surface forming body 33 and the rotation center axis of the wrinkle side surface forming body 34 are not located on the same straight line in a plan view, that is, a configuration in which the rotation center axis intersects. For example, as shown in FIG. 16, for example, the rotation center axis of the heel surface forming body 33 is inclined with respect to the left-right direction in a plan view, and the outer end side of the heel surface forming body 33 is positioned forward of the inner end side. In addition, although not shown, a configuration may be adopted in which the center axis of rotation of the heel upper surface forming body 33 is inclined with respect to the left-right direction in a plan view, and the outer end side of the heel upper surface forming body 33 is located behind the inner end side. In addition, the structure which can switch to the inclination state in which the outer end side is located forward, and the inclination state in which the outer end side is located rearward may be switched around the axis on the inner end side of the upper surface forming body 33.

  In the present invention, the case where the rotation center axes are parallel means not only parallel in a strict sense but also a case where they are substantially parallel.

  Moreover, you may make it combine the structure of each embodiment mentioned above suitably.

1 is a schematic plan view of a drape coater according to an embodiment of the present invention. It is a general | schematic rear view of the principal part of a drape coater same as the above. It is a general | schematic rear view of the principal part of a drape coater same as the above. It is a schematic rear view of the principal part of other embodiment of this invention. It is a schematic rear view of the principal part of further another embodiment of this invention. It is a schematic rear view of the principal part of further another embodiment of this invention. It is a perspective view of the wrinkle formation part of other embodiment of this invention. It is a schematic plan view of the surface coating machine which concerns on other embodiment of this invention. It is a general | schematic rear view of the principal part of a drape coater same as the above. It is a general | schematic rear view of the principal part of a drape coater same as the above. It is a schematic rear view of the principal part of further another embodiment of this invention. It is a figure which shows the cross-sectional shape of the wrinkle formation part of other embodiment of this invention. It is a figure which shows the cross-sectional shape of the wrinkle formation part of other embodiment of this invention. It is a figure which shows the cross-sectional shape of the wrinkle formation part of other embodiment of this invention. It is a figure which shows the cross-sectional shape of the wrinkle formation part of other embodiment of this invention. It is a schematic plan view of the surface coating machine which concerns on other embodiment of this invention.

Explanation of symbols

1 Spider coater
32 Embankment
33 畦 Top surface formation
34 Saddle side surface forming body
35 Drive rotation means
51 Angle adjustment means A 畦 Top B 畦 Side

Claims (6)

An embankment that raises the soil,
A heel upper surface forming body that forms a heel upper surface by compacting the embankment by the embankment while driving and rotating about a rotation center axis parallel to the heel upper surface;
A heel side surface forming body that forms a heel side surface by compacting the embankment by the embankment body while driving and rotating about a rotation center axis parallel to the heel side surface;
A wrinkle coater comprising: a wrinkle upper surface forming body and a drive rotation means for driving and rotating the wrinkle side surface forming body. The wrinkle coater according to claim 1, wherein the center axis of rotation of the upper surface forming body and the center axis of rotation of the upper surface forming body are located on the same straight line in plan view. The revolving coater according to claim 1, wherein the rotation center axis of the reed surface forming body and the revolving center axis of the reed side surface forming body are located on straight lines parallel to each other in plan view. The angle coater formed between the rotation center axis of the ridge upper surface forming body and the rotation center axis of the ridge side surface forming body is adjustable. The glazing machine according to any one of claims 1 to 3. By rotating the rotation center axis of the collar side surface forming body with respect to the rotation center axis of the collar surface forming body, an angle formed between the rotation center axis of the collar surface forming body and the rotation center axis of the collar side surface forming body is set. The wrinkle coater according to claim 4, further comprising adjustable angle adjusting means. The wrinkle coater according to any one of claims 1 to 5, wherein the drive rotation means drives and rotates the wrinkle upper surface forming body and the wrinkle side surface forming body at different rotational speeds.

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