JPH012730A - Manufacturing method and device for reinforced corrugated body - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a method and apparatus for manufacturing a reinforced corrugated body having corrugated rows meandering in the form of plane waves.

The above-mentioned reinforced corrugated body is manufactured by the applicant of the present invention in Japanese Patent Application Laid-Open No. 6
No. 1-51686 is related, and the cross-sectional shape of the top of the corrugated rows is ridge-like, etc., and the corrugated rows are formed to meander in a smooth plane wave shape. The reinforced corrugate body can be used as a single reinforced corrugate body, or as a reinforced composite corrugate body formed by integrating a flat sheet on at least one side of the corrugated body, or reinforced by a plurality of reinforced composite corrugate bodies integrated with each other. We offer various N structural materials and covering materials that can be used as a multilayer corrugated body to provide significantly higher material strength for the weight of use.

(Prior Art) A corrugated body having corrugated rows meandering in a planar zigzag shape is known as something similar to the reinforced corrugated body as described above, and there are various methods for producing the corrugated body, Roller forming, which is based on the premise of

In this process, a flat sheet to be processed made of a material with high stretchability of 20% or more in the in-plane direction is supplied to a pair of rollers, each of which has tooth-shaped rows arranged in a zigzag pattern in the axial direction of the circumferential surface in multiple stages. In this method, a predetermined corrugated body is processed, but during the processing process, the sheet to be processed is suddenly bent out of plane due to the angular protrusions 5' of the zigzag tooth pattern row 2'. As the corrugated body is in the machining process, the amount of stretching strain in the generatrix direction of the inclined wall surface is increased, and finally This tends to cause tearing damage in the axial direction of the row, and furthermore, the angular protrusion 5'
As a result, the amount of stretching strain in the direction of the row axis is increased in the corrugated body, which ultimately causes tearing damage in the direction perpendicular to the row axis. As a result, it was considered virtually impossible to form the corrugated body, but the only way to avoid this problem was to reduce the vertical height H of the corrugated rows 12' to the extreme end, as shown in the first conventional example in FIG. Although it is not shown in the figure, both H and the horizontal height D are extremely small, i.e., the width ratio H/L (1-[; Wave amplitude, L; period of cross-sectional waves in the same row)
is not less than 0.2, or the meandering ratio D/N (D: the amplitude of the plane wave in the corrugated row, N: the period of the plane wave in the same row) is not more than 0.15, and H and /L are 0. The corrugated body, which is limited to a shape of .2 or less, is processed and manufactured only when the roller forming speed is reduced to 15 m/min or less.

In addition, in order to ensure the bending of the planar zigzag-like ridge lines at the top 13' and bottom 14' of the corrugated rows and to maintain the shape stably, the two roller mold parts m are inserted through the sheet to be processed. The toothed bottom part 4 where 3' engages with the teeth facing each other.
′, but as a result, the tension of the top portion 3′ is uneven, and if the roller is required to heat up, it is easy to cause a deviation in linear expansion due to temperature unevenness. It is difficult to accurately match the top part 3' and bottom part 4' of the tooth profile that mesh with the tooth profile row 2', and the noise generated when the roller rotates, FA#1J, is not small. Extremely sophisticated technology was required to manufacture the pair of rollers 1' to ensure mutual matching.

As mentioned above, the corrugated body 11' according to this conventional example! F
In the J3FF method, since the shape of the corrugated body 11' formed is shallow and small, sufficient structural strength cannot be expected for the single corrugated body or a composite corrugated body formed integrally with a flat sheet, and the speed of addition is too high. There was no hope of sufficient productivity as the productivity was extremely low. During the roller forming process, the stretching strain deformation of the sheet in the width direction is 1
Since the damage was so severe as to be about 5 to 20%, the material strength of the corrugated body was significantly impaired. In addition, the forming roller is subject to severe wear, which shortens its durable life, and it is extremely difficult to control the temperature of the roller body, as mismatching of the toothed rows is likely to occur due to temperature unevenness.
In addition, many drawbacks have been pointed out, such as the large noise and vibrations that occur, making it difficult to maintain the work environment, and the manufacturing cost of the rollers being extremely excessive due to the need for ultra-precise matching between the meshing teeth. .

Japanese Patent Publication No. 54-23035 is an improvement on the roller forming method for corrugated bodies.

There is a new roller forming method proposed in Japanese Patent Publication No. 57-209725, and as shown in the second conventional example in Fig. 2, the tooth profile row 2'', which has a plane wave shape in the circumferential axial direction, is formed in multiple stages in the circumferential direction. A corrugating process using a highly stretchable material for a pair of rollers provided with the tops 3'' of the rows 2'' formed as trapezoidal strips, and having a ridge line perpendicular to the direction in the supply path in advance. It is characterized in that a predetermined corrugated body 11'' can be obtained by supplying the processed sheet.

The apex 3'' of the tooth pattern row 2'' meanders to form an extremely smooth plane wave shape and has no angular protrusions. The curved protrusion 5'' allows pressure deformation to occur relatively gently and over a wide range of IJ, so that the deformation is not concentrated at a specific point at the spider end, and the step machining in the direction orthogonal to the axis of the corrugated row 12' is not hindered. As a result, various (('taS) during processing of the corrugated body 11' are relatively reduced.

(Problems to be Solved by the Invention) However, the tooth profile top portion 3'' is smaller than the amplitude H'1 period L' of the cross-sectional waveform of the tooth profile row 2''! - wide + l], the sloped wall surface 15'' of the corrugated body 11'' during the processing process is subjected to significant stretching strain in its generatrix direction, and finally the trapezoid top 13'' and the adjacent trapezoid bottom 14'' ↓There is significant tearing damage in the axial direction of the approximately central part of the slanted wall surface 15'', and furthermore, the sheet to be processed is fed to the rollers without being gathered in the width direction in advance, so there is some damage during the roller forming process. The amount of sliding of the tII type processed sheet due to deformation was increased, and as a result, significant tearing damage occurred in the feeding direction due to stretching strain deformation in the middle direction within the sheet surface. In order to avoid this problem, the ratio of the amplitude of the plane wave to the period of the cross-sectional wave of the corrugated row 12'', that is, the meandering polymerization rate D/L, should be 0.3 or less or D/L. is 0.5 or less, and the period N of the plane wave is
It is limited to the processing of corrugated bodies 12'' with a ratio of the same amplitude to It was believed that production was possible only by increasing the roller forming speed to an extreme level, that is, by setting the sheet feeding speed to about 15 m/min or less.

In the above roller forming, the top 3'' of the m-shaped row 2'' faces and engages the bottom 4'' of the other tooth-shaped row 2'', which is placed at one corner of the other tooth-shaped row 2'' by a thickness greater than the thickness of the sheet to be processed. Since the process is performed with a gap, the various problems caused by the lack of a roller gap that were pointed out in the first conventional example have been solved, but unfortunately the The amount of stretching tap strain is extremely large at over 20%, and the amount of mid-direction stretching of the entire corrugated row is extremely large at over 12%, which significantly reduces the material strength of the sheet before processing. Corrugated body made of low-rate material 1
It was impossible to process and manufacture 1".

In addition, in order to prevent material damage due to large strain deformation, roller forming is performed for each Korgu 1~11''
The shape of the meandering polymerization rate D, 'L is not less than 0.3! −
is meandering polymerization rate D/L<0.5 and meandering/color Dx<o, 1
As a result, the corrugated rows 12'-- have to be processed and formed in a shallow manner, and as a result, the processing and manufacturing of the corrugated body 11'' has been limited to extremely low structural strengths.

As mentioned above, in the roller forming method of the second conventional example,
Although the roller forming method of the first conventional example has been improved by 1r in many parts, the corrugate body obtained by the manufacturing method of the second conventional example is used alone or is a composite corrugate that is integrated with a flat sheet. The structure used in the construction was formed as shallow corrugated rows with extremely low structural strength, especially the out-of-plane bending strength in the direction perpendicular to the axis of the corrugated rows, and was also assumed to be topologically undeployable in the first place. As the top and bottom of the corrugated rows are formed into a wide trapezoidal shape, strain and deformation in structurally important areas and resulting damage to the material result in a significant decrease in material strength. Top 3 of row 2''
Due to the wide trapezoidal shape of the roller, there is significant frictional resistance that prevents the sheet from sliding in the middle direction, and the sheet is likely to break, so the speed of roller forming is low, which is suitable for mass production. The drawback was pointed out that high productivity could not be expected.

Due to the above-mentioned drawbacks, the above-mentioned corrugated body having a shallow waveform, trapezoidal shape, and bottom and its manufacturing method have not been put to practical use to date.

The present invention was developed in view of the above-mentioned problems, and its first purpose is to strengthen a sheet material with extremely poor stretchability, such as paper, by roller forming into a smooth plane wave shape with meandering corrugated rows. In addition to forming and processing a corrugated body, this reinforced corrugated body is used to manufacture a reinforced composite corrugated body that has structural strength far superior to conventional ones in all aspects, including out-of-plane compressive strength, out-of-plane bending @ degree, and out-of-plane compressive strength. This is to provide a way to do so.

A second object of the present invention is to provide a suitable apparatus for carrying out the method for manufacturing the composite corrugated body.

(Means for Solving the Problem) In order to achieve the above first object, in the method for manufacturing a reinforced corrugated body according to the present invention, a workpiece sheet that has been subjected to corrugation processing perpendicular to the supply direction in advance is A reinforced corrugated body that is provided with corrugated rows that meander in a smooth plane wave shape by being supplied to a pair of forming rollers provided with multistage tooth-shaped rows that meander in a smooth plane wave shape on the surface. A reinforced composite corrugated body is obtained by processing and forming the reinforced corrugated body, and further having a flat sheet integrated on either side of the reinforced corrugated body. Furthermore, in the pair of forming rollers, the bottoms of the toothed rows opposite to the tops of the toothed rows are spaced apart from each other, so that the toothed rows do not substantially come into contact or slide through the sheet to be processed. It is to mesh without doing anything.

Note that the tooth pattern row has a real amplitude ratio H'/L' of the cross-sectional wave.
(L': Period of cross-sectional wave, H': Substantial amplitude of 1tli plane wave 11) is set to 0.2 or more, and meandering superposition ID'/L' of plane waveform <D': Amplitude of plane wave) is set to 0. .5
In addition, the meandering rate of the plane wave D'/N' (N
'; period of plane wave) is set to 0.15 or more, and more preferably, the tooth pattern row has an effective amplitude H'
/L' is 0.2 or more, and the meandering polymerization rate D' /L
' is 1.0 or more, and the meandering rate D'/N' is 0.15
By doing the above, 1. That is, a plane wave such as the above-mentioned cross-sectional wave is formed into a deep shape.

Further, the tops of the tooth-shaped rows are formed in a ridgeline shape, a narrow chamfered shape, or a periodic drop-off shape in the axial direction of the rows.

Furthermore, in order to achieve the above-mentioned second object, the reinforced corrugated body manufacturing apparatus according to the present invention has multiple stages of th-shaped rows meandering in a plane wave shape on the peripheral surface so as to cross the supply path of the sheet to be processed. A pair of forming rollers formed as shown in FIG. A corrugation guide for forming corrugated rows 3 perpendicular to the feeding direction of the sheet to be processed is arranged in front of the sheet.
Furthermore, means for integrating a flat sheet is provided on at least one side of the reinforced corrugated body formed by passing through the forming rollers.

(Examples) The present invention will be explained in more detail based on Examples according to the present invention.

1st. The third example is the second embodiment. Each figure a in FIG. 4 is a perspective view of the reinforced corrugated body 10 formed by roller forming of the present invention, and each figure is a perspective view of forming rollers la and lb according to the present invention, Fifth. FIG. 6 shows a partial sectional view of the forming roller 1a of the first embodiment and the process of forming the reinforced corrugated body 10, and FIG. 8th. 9th. Each view a in FIG. 10 shows a detailed cross-sectional view of the tooth-shaped row of the forming roller 1a according to the first embodiment in a direction perpendicular to the row axis, and a detailed cross-sectional view of the reinforced corrugated body in the forming process, The same figure shows an enlarged detailed cross-sectional view of the reinforced corrugated body and a reduced cross-sectional view of the tooth pattern row, and views a and 21b of FIG. 11 show the forming roller of the first embodiment. A partial plan view and a partial cross-sectional view of part 1 of FIG. 1a are shown respectively, and FIG. A partial plan view and two partial cross-sectional views of the reinforced corrugated body of the second embodiment are shown, respectively.

In order to achieve the first object, in the roller forming method of the present invention, a work sheet that has been corrugated in advance in a direction perpendicular to the supply direction has a pair of meandering tooth pattern rows provided in multiple stages on the circumferential surface. To continuously supply reinforced corrugated bodies obtained by forming meandering corrugated rows in a smooth plane wave shape by forming with forming rollers.

In the above-mentioned forming roller, the meandering tooth pattern row 2 is provided in the upper axial direction of the roller circumferential surface and is multistaged in the circumferential direction, as shown in FIG. Although not shown in FIG. 4, a roller in which teeth are provided in the upper circumferential direction of the circumferential surface and multi-staged in the upper axial direction is shown in FIG. Also effective in the present invention is a roller which is provided in a shape and arranged in multiple stages in the circumferential direction, and in which the helical shape of the toothed row 2 is symmetrical to the circumferential direction line at the center of the axial long path. .

At the same time, the top portion 3 of the tooth pattern row 2 is characterized in that it is formed in a meandering manner in a substantially smooth plane wave shape on the roller circumferential surface, and the smooth plane waveform is shown in FIG. Figure 4.

As shown in FIG. 11, the apex 3 has a continuous curved shape, or although not shown, a plurality of curved segments are connected to form a discontinuous curved shape, or a plurality of straight line segments and a plurality of One in which curved segments are connected alternately, one in which multiple straight line segments are connected and the connecting portions are chamfered into a curved or straight line, or many waveforms in which continuous curved lines are connected. There is one obtained by replacing it with a short line segment of , and in addition, it may be obtained by appropriately combining the various plane waveforms mentioned above.

At the same time, the top portion 3 of the tooth pattern row 2 has a relatively sharp ridge line shape or an 8th ridge line shape as shown in FIG. As shown in Fig. 9, the chamfered shape with the r-shaped width as small as the width of the chamfer, or Fig. 10, Fig. a1, Fig. b1. As shown, the concave surface in the direction perpendicular to the axis of the row 2 is formed in a drop-off shape that changes the diagonal direction periodically in the axial direction of the row 2, or, although not shown, on the side of one slanted wall of the tooth-shaped row. More specifically, as shown in FIGS. 8 and 9, the inclined wall portion 15 of the corrugated row 12 between the adjacent cross-sectional center axes CI and C2 of the corrugated row 12 is The tops 3 of the th-shaped rows 2 of the rollers are curved so that the relationship between the generatrix length JH and the straight line length ρ0 directly connecting both ends thereof is preferably (J20)/10xlOO<8.0. The reinforced corrugated body processed by the forming roller of the tooth pattern row 2 has a characteristic shape that is topologically capable of being substantially developed. ) Chireru.

At the same time, as shown in FIGS. 5 and 8, the overall shape of the tooth pattern rows 2 is determined by the maximum engagement depth H' of the mutually opposing rows 2 with respect to the interval L' between the adjacent rows 2. That is, the effective amplitude ratio H'/L' of the cross-sectional waveform of row row 2 is 0.2.
In addition, the ratio of 5rl+D' of the plane waveform to the period L' of the cross-sectional waveform of the row 2, that is, the meandering polymerization rate D'/L' is 0.5 or more, and the plane of the row 2 The ratio of the amplitude D' to the period N' of the waveform, that is, the meandering +11D'/N' is set to 0.15, and preferably the effective amplitude ratio H'/L' is set to 0.2 or more. At the same time, the meandering polymerization rate D'/L' should be 1.0 or more, and the meandering rate D'/N' should be 0.15 or more.

At the same time, as shown in FIG. 5, the toothed rows 2 facing each other in the pair of rollers 1a form the tops 3 of the rows 2 and the bottoms 4 of the rows 2 opposite to each other at all meshing positions. The sheets 01' are spaced apart from each other so that they do not come into contact with each other or slide between them.
The roller gap G having a thickness of 1' or more is always maintained and engaged, or the row 2 of the opposing tooth profile 2 of one roller is on the line connecting the axial centers of the paired rollers at the shortest distance. At and around the meshing position where the vertical central axes 36 of the teeth are aligned, that is, at and around the position where the top 3 of one row of tooth rows 2 and the bottom 4 of the other row are closest to each other in the opposing tooth row rows 2. Only the top part 3 of the row and the bottom part 4 of the row facing each other are brought into contact or actuated in a very small range with each other through the workpiece sheet 01', but at all other meshing positions there is no applied force. The roller gap G, which is larger than the thickness of -+-o i ', is always maintained and the rollers mesh as shown in FIG.

At the same time, the sheet 01 to be processed is fed to the forming roller 1a, and the sheet 01 is formed with corrugated rows 16 perpendicular to the feeding direction in multiple stages in the middle direction, preferably by about 3 to 15% in the middle direction. It is to be forced to intervene.

As shown in Fig. 5 and Fig. 11, the real shaking rate I'/L
' is 0.2 or more, the meandering ratio D'/N' is 0.15 or more, and the meandering polymerization rate D'/L' is 0.5 or more, and preferably the effective width ratio H'/L' 0.2 or more, a meandering ratio D'/N' of 0.15 or more, and a meandering polymerization ratio D'/L' of 1.0 or more. It is characterized by being provided in multiple stages. A corrugated work sheet 01 perpendicular to the feeding direction is supplied in advance to the forming rollers 1a and 1b shown in FIGS. 3 and 4, and the sheet 01 is subjected to roller forming. , as shown in Fig. 4, with a width ratio H,,-'' L: 0, 2 or more, a meandering rate D,/N of 0°15 or more, and a meandering polymerization rate D/L of 0.5 or more. Or preferably, the amplitude ratio H/L is 0.2 or more, the meandering ratio D/N is 0.15 or more, and the meandering polymerization rate /L is 1
．． Meandering corrugated row 1 formed as 0 or more
A reinforced corrugated body 10 is obtained in which the corrugated bodies 2 are arranged in multiple stages on a plane.

In addition, in the roller forming process by the roller 1a, the flat workpiece sheet 001 is shifted in the middle direction by about 3 to 15% of the workpiece sheet 00, which has been corrugated orthogonally in advance in the above-mentioned feeding direction. 3~
By making it comparable to the centering amount of about 15%, it becomes unnecessary to move the work sheet 01 in the middle direction during processing and forming the reinforced corrugated body 10, thereby reducing the center direction tension of the sheet 01. The occurrence of strain and deformation caused by this was suppressed, and as a result, the tear loss 15 of the sheet 01 in the feeding direction was completely prevented.

Further, in the present invention, the top portion 3 of the serpentine tooth-shaped row 2 of the pair of rollers 1a or 1b in one series is formed into a ridgeline shape, a chamfered shape with a relatively narrow width, or a large curved surface periodically in the axial direction of the row. Reinforced corrugated body 1 according to the present invention obtained by roller forming the sheet 01 to be processed, which has a shoulder-drop shape or the like by changing the direction of inclination, with the pair of rollers la and lb.
0 has a topologically expandable shape in the first place, so the oblique wall portion 15 of the corrugated row 12 can be hardly extended in the generatrix direction, or can be kept to the minimum required extent. Processed and formed without any tearing damage, the amplitude ratio H7/S is 0.2, the meandering ratio D/N is 0.15 or more, and the meandering polymerization rate D,
/L was set to 0.5 or more.

Also preferably, the swing width ratio H/Lt! -0', 2 or more, meandering rate D/N'q 0.15 or more, and meandering polymerization rate D
Corrugated wood 1 with a corporate shape where /L is 1.0 or more
0 was roller formed stably and at high speed.

Furthermore, the toothed rows 2 of the pair of rollers 1a or 1b according to the present invention meander in a smooth wave shape on its plane, and the rollers are mutually necessary and sufficient in the opposing toothed rows 2. However, when the sheet 01 to be processed is processed into a reinforced corrugated body by roller forming, the sheet 01 is provided in the toothed row 2 due to the step formation in the X direction required when the sheet 01 is processed into a reinforced corrugated body by roller forming. When the mountain is forced to slide in the X direction on the top 3 of the mountain, tensile stress in the As the tooth pattern row 2 meanders smoothly and a sufficient roller gap is maintained, its sliding is not hindered and its strain deformation is suppressed. The tear damage (j5) was prevented in advance.In addition, the workpiece sheet O1 in the roller forming process was not properly distributed in the X direction and finely adjusted, and the top 3 of the toothed row 2
The upper part is forced to slightly slide in the X direction, and tensile stress in the As the tooth pattern row 2 meanders smoothly and a sufficient roller gap is maintained, its sliding is not hindered in any way, and the generation of tension and its distortion deformation are suppressed, and the sheet 01 generated near the neutral axis 32 Tear damage in the X direction can be prevented, and at the same time, excessive wrinkles in the X direction that occur in the sheet 01 when the valley center axis 311 is dry due to insufficient adjustment of centering in the X direction can be prevented.

Furthermore, the pair of rollers 1a according to the present invention 1b either performs roller forming by constantly maintaining a roller gap G of a predetermined size between the opposing toothed rows 2, or by performing roller forming in order to keep the roller gap constant. It is preferable to provide gears of a predetermined diameter on both ends or one end of the roller, which can fix the parallel spacing between the roller axes, and to adjust the parallel movement of the roller axes in the direction orthogonal to the axis. The effective width H of the tooth pattern row 2 can be adjusted by appropriately adjusting the roller gap by disposing a fixed roller bearing with a variable axis center.
′ can be changed to create an arbitrary swing width H within a predetermined dimensional range.
A reinforced corrugated body 10 was obtained. Further, a backlash prevention device such as a gear is provided so that the opposing tooth rows 2 can always maintain a predetermined roller gap, maintain the same rotation angle, and mesh without causing any misalignment. It is preferable that

Furthermore, in the method for manufacturing a reinforced corrugated body of the present invention, preferably a heatable forming roller or the like is used, so that the in-plane stretchability of paper, cloth, etc. is extremely low and semi-elasticity is achieved.

Roller forming of semi-plastic material with ironing applied to the work sheet, or roller forming of thermoplastic or thermosetting work sheet such as plastics, or metal. Roller forming of work sheet materials that are plastic at room temperature is easily carried out, as in The sheet 01 is supplied to the heated pair of rollers 1a or 1b and subjected to roller forming, but as shown in FIG. Each top 3 of the opposing and adjacent tooth pattern rows 2
While being bent with the top as a fulcrum and tension applied to the sheet in the generatrix direction of the inclined wall surface 15 with a strain deformation of not more than about 8.0% as a limit, radiant heat from the surface of the toothed row 2 and The corrugated rows 12 are dried by conductive heat, i.e. each of the corrugated rows 12 is exposed to an ironing effect, causing the sheet material to meander into a plane wave shape held under a predetermined tension. A diagonal woven surface (a pair of linearly curved surfaces with a straight cross-section in the generatrix direction and a curved cross-section in the direction orthogonal to the generatrix) are adjacent to each other as a pair, and are topologically capable of being substantially developed into a flat plate shape. As a result, the shape of the sloped wall surface 15 is fixed, resulting in a smooth wavy planar shape near the top 13 of the rows 12 configured as a pair of sloped wall surfaces 15. The cross-sectional shapes such as ridge lines and ridge lines are uniquely determined and formed, and secondly, the swollen sheet 01 is formed at the portions corresponding to the top and bottom portions 13 and 14 of the corrugated rows 12. Since the top part 3 of the tooth pattern row 2 is dried while being lightly pressurized, the top and bottom parts 13 and 14 are subjected to a pressure-ironing effect, resulting in a wavy planar shape and ridgeline. The cross-sectional shape is fixed and formed, and at the same time, the shape of the adjacent sloped wall surface 15 is uniquely determined and formed as a predetermined pair of linear weave surfaces by the fixation. The roller forming method is the first method of the above method. To briefly describe the second feature, the sloped wall surfaces 15 whose shape is fixed by the ironing effect in the corrugated rows result in adjacent peaks.

The shape of the bottom portions 13, 14 is more reliably formed and maintained more stably, and the shape is fixed by the ironing effect. It provides a folded plate structure with a unique form in which two types of corrugated rows interact with each other so that vM is actually formed and maintained more stably. In other words, since the shape rigidity of the inclined wall surface 15 obtained by the above-mentioned ironing effect and the shape rigidity of the top and bottom parts 13 and 14 act synergistically, the shape rigidity of the corrugated rows is the same as that of the above two types of parts. The production of reinforced corrugated bodies has become possible with sheet materials such as paper, which are characterized by a multiplicative resultant of shape stiffness. At the same time, the paper sheet 01 to be processed, which has been formed in advance with corrugated rows 16 perpendicular to the feeding direction in multiple stages in the middle direction, is supplied to the gap between the warming rollers 1a kept at room temperature to process the corrugated rows 12. In the roller forming process according to the present invention, which is characterized by Although there was a drawback that excess wrinkles were generated in the feeding direction near the valley center axis of the paper sheet 01, the corrugated sheet 01 dried and shrunk in the axial direction of the corrugated rows due to the pressure-iron effect such as the tension-iron effect. As a result, no matter how much the forming speed is increased, the fine adjustment of the centering in the width direction can be facilitated without difficulty, and it has become possible to completely suppress and prevent the generation of the above-mentioned excess wrinkles. In addition, in contrast to the above manufacturing method, as a known method, a pair of forming rollers each having tooth-shaped rows perpendicular to the axial direction of the circumferential surface are provided in multiple stages in the circumferential direction is used, and the corrugate is made perpendicular to the mid-plane direction. There is a conventional method for manufacturing a corrugated body in which rows of rows are formed in 11 orthogonal directions in multiple stages, and during the forming process, the opposing toothed rows are connected to the top and one bottom of the corrugated body through the paper sheet to be processed. It is characterized in that a pair of rollers that are brought into pressurized contact or slide against each other, that is, a pair of rollers of a non-roller gap type, is used, and a pre-humidified flat paper sheet is fed to the pair of rollers that are not heated. The corrugated rows are formed perpendicularly in one direction, but first, the top and bottom of the corrugated rows where the paper sheet is bent during the forming process are mutually aligned as described above. The corrugated rows are dried by direct conductive heating from the toothed rows while being pressurized by the top and bottom parts of the toothed rows that are in contact with or slide against each other. A pressure-iron effect is applied to fix the shape of the orthogonal plane and the curved cross section with a predetermined curvature. The orthogonal corrugated rows obtained by applying tension between the tops of the rows and drying with radiant heat, and then fixing the flat plate shape by applying tension-ironing effect, and then roller forming. is different from the wavy corrugated rows with curved anti-linear woven surfaces, and the opposite cylinder surface (a pair of adjacent linear curved surfaces with a linear cross-sectional shape in the row direction and an arbitrary cross-sectional shape in the direction perpendicular to the rows) Because it is a folded structure with a three-dimensional surface), its sloped wall surface and its adjacent top.

No matter how strongly the two parts of the bottom are individually fixed by a strong ironing effect, there is no effect on the more reliable shape formation and more stable maintenance of the mutually adjacent parts between the two parts. In other words, in this orthogonal corrugated body, the shape rigidity of the entire corrugated row can only be obtained as an additive effect of the shape rigidity of each of the above two types of parts. The shape rigidity is significantly lower than that of the corrugated body, that is, each Wm
As a result, in order for the corrugated rows to form and fix their shape reliably and to be stably maintained, tension must be applied to the flat plate portion of the inclined wall surface.
At the same time as the ironing effect is being applied, it is essential to apply a stronger pressure-ironing effect to the top, bottom, and surrounding curved parts. The basic premise is that the rows are brought into sufficient pressure contact with each other via the paper sheet to be processed. Therefore, conventional rollers for forming corrugated bodies made of orthogonal corrugated rows using semi-elastic, semi-plastic material sheets such as paper are all non-roller gap type; This conventional example, which is based on the premise that the product has not been put into practical use, has problems in the roller forming process using the non-roller gap type paired forming rollers or problems in roller manufacturing that were pointed out in the first conventional example. However, unlike these problems, according to the roller forming method of the present invention, the corrugated rows 12 according to the present invention meander in a plane wave shape, so that there is no problem with respect to the inclined wall surface 15. The fixation of the shape of the sloped wall surface by the tension-iron effect with emphasis on this makes it possible to reliably form the shape of the entire corrugated row 12 and to maintain it stably. Strong pressure as in the above conventional example against 14-
Made it unnecessary to apply the iron effect. As a result, the toothed rows 2 facing each other between the pair of forming rollers la and lb substantially come into contact with each other and mesh with each other while maintaining a predetermined roller gap without sliding, as will be described later. As a result, many advantages have been discovered that were completely unexpected with conventional non-roller gap type roller forming methods.

Furthermore, the above-mentioned ironing effect brings about the following new effect, which is that the workpiece sheet 01 corrugated perpendicularly to the feeding direction is required to be finely aligned in the X direction during the roller forming process. If this fine adjustment is not achieved, there is a drawback that in the corrugated body 10 obtained by roller forming, excessive wrinkles are generated around the center axis of the valley, and stretching strain in the X direction is generated around the neutral axis. As mentioned above, due to the tension applied to the entire corrugated row, the ironing effect causes the liquid application sheet to be applied for the centering Iff:All' to move over the top 3 of the toothed row with the roller gap in the X direction. Since sliding is promoted from the side, fine adjustment of centering can be achieved sufficiently, and the generation of excess wrinkles and stretching strain can be prevented and suppressed, resulting in a diagonal woven surface with an ideal form. A reinforced corrugated body was provided in which a folded horizontal body was formed by the method, and its various structural strengths were sufficiently improved.

As a precaution, let us describe in more detail the structural differences between the wavy corrugate rows of the reinforced corrugate body according to the present invention and the orthogonal corrugate rows of the conventional corrugate body.
In a conventional orthogonal corrugated row, even if both ends of the corrugated cross section are restrained and fixed in a predetermined orthogonal shape, the corrugations in the middle form a cylindrical surface that can take any cross-sectional shape. It is difficult to maintain and fix a specific row cross-sectional shape because the inclination angle and cross-sectional shape are virtually arbitrary, and the top part has an arbitrary bending angle or curvature, such as a ridge-line bitrapezoidal shape or a curved shape. Therefore, it is said that the folded plate structure is theoretically unstable.However, in contrast, in the corrugated corrugated row according to the present invention, the period of the cross-sectional wave and the waveform extension are constant, and the period of the plane wave is fixed. A corrugated row with a constant amplitude has both ends of its cross-sectional wave constrained in advance to a predetermined wave shape to form a diagonal surface with a unique cross-sectional waveform, that is, the opposing inclined wall surfaces are the generatrix. Since the cross section is a straight line with a unique angle of inclination in the direction, and at the same time the top is essentially a ridgeline with a unique bending angle, the cross section of the row is necessarily limited to a unique shape. The folded plate structure is theoretically stable because its shape can be easily maintained stably.

More specifically, a thermoplastic or thermosetting sheet 01, such as plastics, which has been corrugated perpendicular to the feeding direction in advance, is fed to a heated forming roller 1a or 1b. In the forming process, the sheet 01. is the roller tooth pattern row 2
The sheet 01 is bent into a predetermined shape while receiving tension from the top 3 of the row 2 so as not to cause distortion of preferably 8.0% or more in the plane of the sheet 01. The reinforced corrugate body according to the present invention that has been processed and supplied outside the rollers is hardened after cooling so that the shape of each corrugate row 12 is stably maintained, or the reinforced corrugate body 10 is hardened after cooling. A three-dimensional reinforced corrugated body made up of each corrugated row 12 and the flat sheet, in which a reinforced corrugated body is first integrally heated with a flat plastic or the like on at least one side thereof, and then immediately cooled and hardened. The truss-like structure was maintained more stably.

In addition, in detail, a plastic workpiece sheet 01 of metal or the like which has been corrugated orthogonally in the supply direction in advance is supplied to forming rollers ia or 1b at room temperature and processed into corrugated rows 12, during the roller forming process. In this case, the sheet 01 is preferably in-plane 8,
Reinforced corrugated body 1 according to the present invention, which is bent into a predetermined shape while being applied with a tension that does not cause strain deformation of 0% or more by the top 3 of the toothed shape 2 of the roller.
0 is fixed by plastic deformation of the shape of the inclined wall surface 15 and the top/bottom portions 13 and 14 of the corrugated row 12, so that the overall shape of the row 12 is reliably formed and stably maintained. I was able to get it.

In detail, a workpiece sheet made of a material with slightly high extensibility or elasticity at room temperature is previously subjected to orthogonal corrugation processing in the feeding direction, and then fed to a cooled forming roller pair 1a or 1b, and cooled during the forming process. By increasing the rigidity of the material, it is possible to bend the roller tooth pattern row 2 into a predetermined shape while being applied by the top part 3 of the roller tooth pattern row 2 with a tension that preferably does not cause strain deformation of 8°0% or more in the plane. A bent reinforced corrugated body 10 according to the present invention was obtained. In the above method, the forming roller 1aL cools the sheet 01 to be processed together with the roller 1b to a predetermined temperature in advance, or the forming roller 1a or 1b is kept at room temperature and only the sheet 01 to be processed is cooled in advance. It is also effective in the manufacturing method of the present invention to supply the foam to the forming roller.

In the corrugating process perpendicular to the feeding direction of the workpiece sheet 01 according to the present invention, when the corrugating process is performed in an attempt to achieve a predetermined width shift in the middle direction from the flat worksheet 001 to the core part, Processing sheet 01 is “1”
A rapid increase in in-plane tensile stress in one direction can cause tearing damage in the feeding direction, but in order to prevent this from happening, it is preferable that the sheet 01 is made by gradually increasing the width of the orthogonal corrugated rows. It is preferable that the sheet 01 is corrugated and gathered in stages so that the period of the forming roller 1b is gradually decreased. The distributed sheets 01 are fed so that the total length of each feed stream is made substantially equal to each other.

Preferably, when the processed sheet 01 made of a material such as paper is fed to the rollers 1b and subjected to roller forming, the reinforced corrugated body 10 to be processed is heated to a predetermined humidity higher than the annual average weather humidity. The ironing effect is applied to the rollers la, lb to such an extent that the ironing effect is maintained constant.
The reinforced corrugate body 10 is integrally laminated with the sprayed flat plate liner 19a on one side of the DI crossroad at a close distance downstream to form a single-sided reinforced composite corrugate body 40, and further downstream of the reinforced corrugate body 10. At this distance, the single-sided reinforced composite corrugated body 40 is integrally laminated with a new flat liner 19b on the other side to form a double-sided reinforced composite corrugated body 41. More specifically, referring to FIG. 14, the corrugate rows 12 of the single-sided reinforced composite corrugate body 40 are formed by integrally laminating the reinforced corrugate body 10 with the flat plate liner 19a.
In , the sloped wall surface 15 shown by the solid line immediately after bonding releases humidity into the atmosphere, dries and shrinks, and deforms and moves to the sloped wall surface 15' shown by the dotted line (however, the amount of deformation and movement is slightly exaggerated in the illustration). ), and the opposing angle θ of the inclined wall surface 15 is about to change to the opposing angle θ' of the slanted wall surface 15'. As a result, firstly, the top portion 13 is shaped like a ridgeline or a chamfer. bottom 1
In No. 4, an internal stress was generated in a direction that prevented the bending angle and the curved angle from expanding, that is, because the prestress was maintained, the effect was that the shape rigidity of that part was increased.

Second, when the internal angle θ of the opposing inclined wall surface 15 is about to expand to the internal angle θ' of the inclined wall surface 15', the corrugated row 12 is integrally bonded to the flat plate liner 19a by its bottom part 14 in a smooth plane wave shape. Because its shape is completely constrained and fixed, once the period of the cross-sectional wave of the corrugated row is determined, and the period N and amplitude of the plane wave are determined, the unique cross-sectional amplitude H of that row is determined dependently. The reinforced corrugated body 10 and its corrugated rows 12, which have a folded structure made of a unique line-woven surface, are subject to a strong internal stress that prevents the expansion of the interior angle from θ to θ', and the final value At the same time, the shape of the corrugated row 1 is stably maintained at a position where this stress and the internal stress due to drying shrinkage of the inclined wall surface 15' are mutually balanced.
Prestress is maintained throughout 2, but especially on the sloped wall 1.
5, the tension in the generatrix direction acts greatly, and the shape rigidity of the inclined wall surface 15, which has a straight cross section in the generatrix direction, is greatly improved. Due to the first and second effects described above, the shape rigidity of the top and bottom portions 13 and 14 of the corrugated row 12 and the shape rigidity of the inclined wall surface 15 are improved, resulting in the single-sided reinforced composite corrugated body 4
0 was able to obtain high structural strength against compressive force bending moment from the outside.

Furthermore, FIG. 15 shows that the reinforced corrugated body 10 is integrally laminated with flat plate liners 19a and 19b on both sides to form a double-sided reinforced composite corrugated body 41, and the inclined wall surface 1 immediately after formation.
5 is shown by the solid line, and then shrinks during drying and tries to deform and move to the inclined wall surface 15' shown by the dotted line, but the top and bottom parts 13.11 of the corrugated rows are flat liners 19a, 19b.
It is pre-laminated into a plane wave shape and its shape is tightly constrained.

Because of the fixed structure, the deformation movement of the inclined wall surface 15' is more severely hindered than in the case of the single-sided reinforced composite corrugated body 40, and as a result, the sections of the corrugated row 12 and the bottom section 13.14
It is clear that a strong prestress is applied to the inclined wall surface 15', and the shape rigidity of each part of the corrugated row 12 is further improved. Therefore, the double-sided reinforced composite corrugated body 41 has a higher structural strength. It was done.

Next, an apparatus for manufacturing a corrugated body according to the present invention will be explained with reference to FIG. 13.

This manufacturing apparatus uses a forming roller 1a according to the present invention which is formed by processing corrugated rows 10 perpendicular to the supply direction and is disposed so as to cross the supply path of the processed sheet 01. The tooth-shaped row 2 meandering in the axial direction in a smooth plane wave shape is formed in multiple stages in the circumferential direction of the circumferential surface, and the shape of the ta-shaped row has a substantial amplitude ratio).
t'/L'>0.2, meandering ratio D''/N'>0.15, and meandering polymerization '14D'/L'>0.5, or ■''/L'>0.2 and D '/N'>0.15 and D'/L'>1.0, and the pair of rollers 1a
is characterized in that it is provided with a roller gap so that the opposed tooth pattern rows 2 do not come into contact with or slide against each other via the machining sheet 01. is the processed sheet 0
Corrugation rollers 20a, 20b, 20 for forming corrugated rows 16 perpendicular to the feeding direction of
c is disposed, and further in front of the corrugating roller is a curved roller for flattening the mid-direction distribution gradient of the tension in the feeding direction within the surface of the processed sheet, which is generated when processing the orthogonal corrugated rows 16. 21 is provided.

In FIG. 13, the reinforced corrugated body 10 is supplied in the form of a flat plate from the pair of rollers 1a, but although not shown separately, suction is applied to the reinforced corrugated body 10 by a group of suction holes on the circumferential surface of the roller la on one side. An auxiliary means is used for the purpose of applying slight pressure to the reinforced corrugated body 10 by various finger parts on the same circumferential surface, and the reinforced corrugated body 10 is pressed against its corrugated strip immediately after being sent out from the pair of rollers 1a. The rows 12 are incorporated into the toothed rows 2 of the rollers la, and are fed in a curved manner while being in close contact with each other, and the ftllff rollers cross the supply path in the middle of the curved supply path. The laminating roller is disposed to contact the circumferential surface of the one-sided roller 1a via the reinforcing corrugation integral 10 and the flat liner, and further crosses it in the supply path behind the one-sided roller 1a. Finally, a single-sided reinforced composite corrugated body was provided in which the reinforced corrugated body according to the present invention and a single flat liner were integrated.

Furthermore, although not shown, the single-sided reinforced composite corrugated body 40 and the single flat liner are connected to each other so as to cross the supplied passage without play flow in the shortest possible leakage downstream of the supply passage of the single-sided reinforced composite corrugated body 40. A double-sided reinforced composite corrugated body 41 was formed by disposing a bonding roller for bonding the two parts 19a and 19a.

More specifically, a conventional single-sided reinforced composite corrugated body obtained immediately after integrating a conventional corrugated body consisting of orthogonal corrugated rows with a single flat liner significantly reduces the out-of-plane pressure strength, thereby increasing its strength. Therefore, in order to dry and harden the composite corrugated body, it is essential to provide an idle flow of Ion or more in the supply direction (i.e., a flow that allows the composite corrugated body to move freely in a meandering manner). Immediately after being formed, the single-sided reinforced composite corrugated body 40 according to the present invention has an out-of-plane compressive strength that is greatly improved compared to that of a conventional single-sided corrugated body, and therefore requires the above-mentioned idle flow for dry hardening. The forming roller 1a was supplied to the above-mentioned bonding roller provided at a close distance downstream of 1b, and the above-mentioned double-sided reinforced composite corrugated wood 41 was processed at high speed.

Each of the corrugating rollers 20a, 20b, and 20C in FIG. 10 is an example of a corrugating guide, and more specifically, with the help of each of these rollers, the sheet 01 to be processed after flit is formed into a corrugated strip perpendicular to the feeding direction. The rows are processed and formed in multiple stages in the width direction, and finally a flat plate is added.
The centering ratio is about 3 to 15% in the width direction compared to that of the forming roller 1a when a flat corrugated sheet is roller formed.
It is preferable that the width tolerance is approximately equal to 55'≦, and in the above-mentioned corrugating process, the corrugated sheet 01 is made by abruptly shifting a predetermined 11 degrees in the middle direction from the flat sheet 001. When obtained, the liquid-added sheet 01 is
Since the tension in the in-plane feeding direction near both ends in the middle direction is significant, the rollers 20a, 20b, 20c are prevented from sliding on the top of the toothed row 6 as they are moved toward the center in the width direction. Excessive tension in the in-plane direction causes sea in the in-plane supply direction!・Although he was forced to suffer tear damage from 03,
In order to avoid such a situation, each corrugated roller 20a, 20b, 20c is provided in the circumferential direction of the circumferential surface in that order at a position crossing the supply path of the sheet 01, and is arranged in a rectangular shape in multiple stages in the circumferential axial direction. The width of the tooth pattern row 5 is increased to the order of li, and the period thereof is arranged at tX, which is a sequential rate. We were able to get close to the middle-loading rate of . In addition, an expander roller 21 having a curved shaft is disposed at a position crossing the supply path in front of the roller 20a, so that the workpiece sheet 01 can flatten the widthwise distribution gradient of tension in the in-plane supply direction. Ta.

Although not shown in the drawings in the manufacturing apparatus of the present invention, in addition to this, a corrugating guide is formed in the shape of a rectangular corrugated row in which the width is sequentially increased and the period is decreased in the feeding direction of the processed sheet 01. A plate-shaped stator provided with a gap may be disposed such that the row axis direction of the gap substantially coincides with the feeding direction of the sheet 01.
In addition to this, a spindle-shaped roller whose diameter gradually decreases from the center of the shaft to both ends may be disposed to cross the supply path as a tension flattening guide, such as from the center of the shaft to both ends. A stator having a curved side edge that slopes gently over the area may be disposed to cross the supply path, and these corrugation guides and tension flattening guides may be appropriately combined. These guides are also effective for the present invention, and further modifications of these various guides can be easily conceived, and any of them are effective for the present invention.

(Effects of the Invention) According to the roller forming method of the present invention, a workpiece sheet that has been corrugated in advance in a direction perpendicular to the supply direction has a row shape ratio of substantially width ratio H'/L'>0.2 and Meandering ratio D'/N'>0.15 and meandering polymerization rate D'/L'
> 0.5 or H'/L"> 0.2 and D'/N'> 0°15 and D'/L'> 1.0. The reinforced corrugated body obtained by roller forming is supplied to a pair of forming rollers provided on the surface, and the shape ratio of the corrugated rows is such that the width ratio H/L>0.2 and the meandering ratio D/N>
0.15 and D/L>O15 or H/L
>0.2, D/N>0.15, and D/L>1.0, the reinforced corrugate body or the reinforced corrugate body is integrated with a flat sheet on at least one side. The reinforced composite corrugated body is formed so that the shape ratio of the corrugated rows is relatively larger than that of any conventional corrugated body, so its out-of-plane bending strength, out-of-plane compressive strength, and Both structural strengths, including internal compressive strength, were significantly improved.

In addition, since the top cross-sectional shape of the tooth pattern row of the forming roller according to the present invention is formed as an acute ridge line, the reinforced corrugated body obtained by processing with the roller can be developed topologically. Reinforced corrugate characterized by a folded plate structure, which allows the sheet to be processed to be processed and formed without substantially in-plane strain deformation or with minimal strain deformation of 8.0% or less. As a result, the reinforced corrugated body retains the original properties of the original flat plate-shaped work sheet or work sheet, without suffering significant material damage and deterioration in material strength as in the second conventional example. Material strength or higher material strength is preserved.

was kept.

In addition, in the forming roller pair according to the present invention, the tooth pattern row is formed to meander in a smooth plane wave shape, and at the same time, a sufficient roller gap is provided for meshing, so that It facilitates smooth step-cutting and width adjustment, prevents tearing damage in the y- and As a result, the rotation speed of the forming roller has been increased, greatly improving productivity.

Further, the forming roller according to the present invention is reinforced Korgu 1.
~When processing a body, a predetermined roller gap is provided so that the opposing tooth pattern rows come into contact with each other.

The result is that there is no source of mechanical noise or FA movement, such as that seen in conventional forming rollers, and the resulting product is free from causing vibrations, ffI bumps, etc.
We were able to significantly improve the environment and eliminate the need for noise and vibration countermeasures and their costs.

In addition, in the above-mentioned pair of forming rollers according to the present invention, when processing a reinforced corrugated body, the rows of teeth that mesh with each other with a predetermined roller gap are rotated without contacting each other, so that the tops of the teeth are significantly worn. As a result, the durability of the roller body has been greatly extended.

In addition, when the forming roller according to the present invention is used as a heating roller, the variation in the amount of line 8M caused by the temperature difference between the forming rollers and the temperature difference between the same roller parts, and the variation in the amount of line 8M caused by the difference in the amount of line 8M between the opposing tooth pattern rows. It is easy to maintain a necessary and sufficient roller gap at all times to prevent abnormal approach, contact, or collision, and the pair of forming rollers provided with the necessary and sufficient roller gap are suitable for processing reinforced corrugated bodies. was allowed to drive without any hindrance. As a result, the heating temperature can be set arbitrarily, and in the roller forming process, unexpected sudden temperature changes in the roller body, temperature differences between the rollers, and temperature unevenness between parts of the roller body can occur due to tooth-shaped rows. □ Mutual meshing troubles can be completely avoided, and as a result, the temperature control of the forming roller according to the present invention and the device therefor can be simplified, and contact between opposing teeth rows due to temperature control errors can be avoided. There was no damage caused by this, and the durability of the rollers was greatly extended.

Furthermore, the present forming roller is provided with a predetermined roller gap so that the opposing toothed rows come into contact with each other.

Since the roller is virtually free from collisions, the dimensional accuracy of the top shape of the tooth profile is relaxed, and the shape of the sloped wall surface and bottom part is reduced when manufacturing the roller, compared to conventional non-roller gap type forming rollers. The dimensional accuracy of cutting, discharging, I! may be further relaxed. In various processing methods such as close casting, the processing time is greatly shortened, and furthermore, it is preferable that the cross-sectional shape of the tooth pattern row in the direction orthogonal to the top ridgeline is all the same as the real tooth.
1st. Significantly different from the second conventional example, all the f4 wall surfaces of the tooth profile row to be machined can be cut by the Z-axis rotating bit of the same shape, and there is also minimal strain deformation during quenching after cutting. Since this can be ignored, there is no need for strain relief polishing after quenching, and as a result, various processing times are greatly shortened, resulting in a significant reduction in manufacturing costs compared to conventional forming rollers.

Further, the forming roller pair according to the present invention, which is provided with a roller gap, differs from the conventional non-roller gap type forming roller in that, during the roller forming process, the rollers undergo curved off-axis deformation due to mutual off-axis force and reaction force between the two rollers. This eliminates the need to create a shape in which the diameter of the roller body gradually increases from both ends in the axial direction to the center, that is, roll crown processing, which reduces the labor involved in manufacturing the roller and reduces manufacturing costs. was saved. Further, the crowning process described above is not required, and the provision of a presser roller for preventing curved deformation outside the roller axis is also eliminated.

Although not shown in the drawings of the forming roller according to the present invention, the tooth-shaped rows have their tops shaped like ridge lines, narrow chamfers, or dropped shoulders, and the opposing tooth-shaped rows are mutually shaped. The tooth-shaped rows are provided so as to mesh with each other at a constant distance through the sheet to be processed, and the tooth-shaped row has a meandering shape in the shape of a smooth plane wave, and its effective amplitude ratio H'/L'>0.2 and meandering rate D'/N'<0.15
There is a method for manufacturing a reinforced corrugated body according to a new invention characterized in that the reinforced corrugated body is formed by feeding a work sheet that has been corrugated orthogonally in the feeding direction to the forming roller. The reinforced composite corrugated body formed by integrating the reinforced corrugated body and the flat plate sheet has a lower strength in various directions than the reinforced corrugated body and the reinforced composite corrugated body according to the present invention. The corrugated body is a well-known conventional example consisting of corrugated rows perpendicular to the corrugated body and the flat plate sea!・The structural strength of the composite corrugated body is much superior to that of a composite corrugated body formed by integrally fixing the corrugated body, and furthermore, the structure of the corrugated body perpendicular to the circumferential axial direction used for processing and forming the conventional corrugated body mentioned above is A non-roller gap type roller and its rollers are provided such that the rows of toothed teeth are arranged in multiple stages in the circumferential direction of the circumferential surface and are opposed to each other (k) so that the rows contact and mesh with each other via the workpiece sheet. Comparing the forming methods, in the roller forming process using the rollers according to this new invention, the reinforced corrugated body is processed reliably and stably, and a necessary and sufficient roller gap is provided for engagement, which reduces noise and noise. ＠It has excellent abrasion durability with almost no occurrence of motion, and temperature control is easy.In addition, the precision required for machining the tooth pattern row in the production of the roller itself is extremely low, so the production effort can be greatly reduced. It has become possible to sufficiently reduce the roller cost.

Furthermore, in the comparatively shallow manufacturing method of the reinforced corrugate body having the wave-shaped corrugate rows according to the invention,
The reinforced corrugated body can be reliably produced at high speed by avoiding various troubles such as strain deformation in the feeding direction and tearing damage caused by the tooth pattern row with the trapezoidal top and the roller forming process that is likely to occur in the roller forming process of the second conventional example. Processed stably.

[Brief explanation of drawings]

1st. Figure 2 is 1. This is a second conventional example, and each figure a is a perspective view of the corrugated body, and each figure is a partial perspective sectional view of the forming roller. 3 and 4 show the first embodiment of the method for manufacturing a reinforced corrugated body of the present invention. This is a second embodiment, and each figure a is a perspective view of the reinforced corrugated body, and each figure is a partial perspective sectional view of the forming roller. 5. FIG. 6 is a partial sectional view of the forming roller of the first embodiment and the sheet to be processed during the processing process. 7th, 8th. 9th. FIG. 10a shows a cross-sectional perspective view of the corrugated rows of the sheet to be processed superimposed on a cross-sectional view in the orthogonal direction of the toothed rows of the forming roller of the first embodiment. Fig. 9 is a partially enlarged sectional view of the tooth pattern row, Fig. 10 bl, b
2 is a reduced sectional view of each central axis of the tooth pattern row. FIG. 11a is a partial plan view and a partial sectional view of the forming roller of the first embodiment. Figure 12a shows the first. It is a top view of the reinforced corrugated body of 2nd Example, and the same figure is the same sectional view. FIG. 13 shows an embodiment of the reinforced corrugated body manufacturing apparatus of the present invention. FIG. 14 is a cross-sectional view perpendicular to the rows of the reinforced composite corrugated body according to the present invention. la, lb, 1', 1''...forming roller 2.2', 2''...serpentine toothed row 3.3
', 3''...Top of serpentine tooth-shaped row 4.4', 4
"...Serpentine tooth-shaped row bottom 5.5', 5"...
...Meandering tooth-shaped row plane protrusion 6 ...
... Orthogonal tIl type rows and rows 1 ... Flat plate-shaped processed sheet 01.01" ... Orthogonal corrugated processed sheet, processed sheet 10 in the processing process ... ...Reinforced corrugated body 11', 1
1"...Meandering corrugated body 12.12', 1
2"......Meandering corrugated row 13.13', 13"......Meandering corrugated row top 14.14',
14″...Meandering corrugated row bottom 15.15′,
15”...Meandering corrugated row inclined wall portion 16
・・・・・・Orthogonal corrugated row 17′ ・・・・
...Zigzag-shaped corrugated top bent part 18'...
... Zigzag corrugated bottom bent portions 19a, 19b
...Flat liner 20a, 20b, 20c...
...Corrugated roller 21 ...Expander roller 22 ...Feed roller 23 ...Corrugated row axial center axis 30 ... II Yamanaka heartbeat 31 ...... II Valley center axis 32 ...... II Neutral axis 3
3...Tooth-shaped row mountain center axis 311
... II Valley center axis 35 ...
・・・・・・ II Neutral axis 36 ・・・・・・
JJ Vertical center axis 40.41 ... Reinforced composite corrugated body H ... Amplitude of corrugated row cross-sectional wave L ... Noah
II period N... 11
Period D of plane wave...
Amplitude H' of lI〃... Actual amplitude L' of the tooth-shaped row cross-sectional wave --- Cloud II
Period N' of II... II
Plane wave period D'I-...NoI Width

Claims (6)

[Claims] (1) Multi-stage tooth-shaped rows meandering in a smooth plane wave shape are provided on the circumferential surface, and the rows have their tops shaped like ridge lines, narrow chamfers, or dropped shoulders, and the rows face each other and engage with each other. A workpiece sheet having corrugated rows orthogonal to the supply direction formed in advance is processed between a pair of forming rollers in which the rows are separated from each other by a distance greater than the thickness of the worksheet. A method for manufacturing a reinforced corrugate body, characterized in that corrugate rows meandering in a smooth plane wave shape are obtained by forming the tops in a ridgeline shape, a narrow chamfer shape, or a shoulder drop shape. (2) The tooth pattern row has an effective amplitude ratio H'/L'(L': period of the cross-sectional wave, H': effective amplitude of the cross-sectional wave) of 0.2 or more in each cross-sectional wave. , in a plane wave, the meandering polymerization rate D'/L'(D'; amplitude of plane wave) between the rows is set to 0.5 or more, and the meandering rate D'/N'(N'
2. The method for producing a reinforced corrugated body according to claim 1, wherein the period of the plane wave is 0.15 or more. (3) The method for producing a reinforced corrugated body according to claim 2, wherein the meandering polymerization ratio D'/L' is 1.0 or more. (4) A pair of forming rollers are provided so as to cross the supply path of the sheet to be processed, and a tooth-shaped row meandering in a smooth plane wave shape in one direction on the circumferential surface of the roller is multistaged in a direction crossing the one direction. A corrugated guide means is provided in front of the pair of forming rollers in the supply path for forming corrugated rows perpendicular to the sheet supply direction in multiple stages in the width direction. A manufacturing device for a reinforced corrugated body, which is characterized by: (5) The pair of forming rollers are characterized in that the pair of forming rollers are provided with tooth-shaped rows meandering in a smooth plane wave shape in the circumferential axial direction in multiple stages in the circumferential direction. Manufacturing equipment for reinforced corrugated bodies. (6) The pair of forming rollers is characterized in that the pair of forming rollers are provided with tooth-shaped rows meandering in a smooth plane wave shape in the circumferential direction in multiple stages in the axial direction. Manufacturing equipment for reinforced corrugated bodies.