JP2016087940A - Edge embossed ring - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an edge embossed ring capable of exchanging partially a projection part, and changing a pattern.SOLUTION: An edge embossed ring includes a plurality of pattern rings each having a projection part arranged on the peripheral surface, a ring holder for locking the plurality of pattern rings so that each wheel center agrees with each other, a press ring for sandwiching and pressing the pattern rings between itself and the ring holder, and fixing means for fixing and integrating the press ring, the ring holder and the plurality of pattern rings re-decomposably and re-assembleably.SELECTED DRAWING: Figure 2

Description

  The present invention relates to an edge embossing ring in which a plurality of ply sanitary thin papers are laminated and integrated so that ply peeling does not occur. In particular, the present invention relates to an edge embossing ring for stacking and integrating a plurality of superposed strip-like sanitary thin paper sheets by embossing along the continuous direction.

  Some sanitary thin papers such as toilet paper and tissue paper are of multiple plies in which a plurality of base papers are stacked. Some of these multi-ply sanitary thin papers are laminated and integrated by pressing each base paper with embossing so that the base papers do not peel off when used. As an example of a multi-ply sanitary thin paper product, a toilet roll 100 in which a multi-ply toilet paper is wound is shown in FIG. In the toilet roll 100, embosses 102 are provided along both edges of the toilet paper 101 so that the base papers 101A and 101B do not peel off during use. This emboss 102 is also called edge embossing, knurling, contact embossing, etc. (referred to as edge embossing in the present invention and in this specification).

  Edge embossing is applied to sanitary thin paper. The base paper is made of metal or rubber that receives the embossing ring and a relatively narrow embossing ring in which a plurality of convex portions are arranged in a predetermined pattern on the peripheral surface. It is performed through the receiving roll.

  On the other hand, the edge embossing is required to be not conspicuously arranged on the paper surface together with the prevention of ply peeling. For example, it is required to be inconspicuous so as not to affect the design properties of design embossing given to the entire paper surface in order to improve the design properties. From such a demand for edge embossing, in the embossing ring that imparts edge embossing, the size of one convex part tends to be reduced, and such small convex parts tend to be arranged in a distributed manner, and the pattern is It is getting complicated. As an example, as shown in FIG. 12, a plurality of rows 111L in which convex portions 111 having a relatively small area are arranged at a predetermined interval are arranged in a distributed manner.

  On the other hand, sanitary thin paper has different uses such as toilet paper and tissue paper. Furthermore, in recent years, especially in toilet paper alone, a thick and high-grade shower toilet has been developed, and tissue paper has been developed in addition to general-purpose ones with a chemical solution. The use of thin paper is diversifying. Along with this, the thickness and material of the base paper have also been diversified, and therefore, it has begun to be required to have an edge emboss pattern suitable for the type of product for each application of the sanitary thin paper.

  Here, the embossing ring for imparting edge embossing (referred to as edge embossing ring in the present invention and the present specification) is formed of a hard steel material such as hardened tool steel, and the peripheral surface thereof is machined (also referred to as a machining center). The convex portion is formed by cutting or the like. As the above-described convex portions are complicated in pattern such as dispersive arrangement, the difficulty of manufacturing by a machining machine increases, and the edge embossing is becoming expensive.

  On the other hand, when the area of the convex portion is reduced, the edge embossing ring is quickly worn and the frequency of replacement is increased, and only a certain convex portion is likely to be worn. Further, when edge embossing is applied by bringing the peripheral surface of the edge embossing ring into contact with the paper surface, a phenomenon of “per one piece” that is inclined to contact with the paper surface may occur. In a pattern having a plurality of rows in which such convex portions are arranged, the convex portions of only a certain row may be worn quickly.

  In the conventional edge embossing ring, when such partial wear occurs, at least the entire portion where the pattern of the edge embossing is arranged must be replaced. Moreover, when changing the pattern of edge embossing according to the use etc. of sanitary thin paper, the whole replacement | exchange was essential similarly.

  In this way, edge embossing is difficult to manufacture as the pattern becomes more complex, and the price is also rising, so partial wear tends to occur and replacement is necessary. Opportunities are increasing. In addition, there is an increasing demand for simple pattern change.

JP 2010-173267 A JP 2007-143659 A JP 2006-271458 A JP 2003-180550 A JP 2002-227099 A

  Therefore, the main problem of the present invention is that when partial wear occurs, it is not necessary to replace the entire edge embossing ring, at least the entire portion where the edge embossing pattern is arranged, and the edge embossing pattern. It is also possible to change the arrangement and to provide an edge embossing ring that is easy to manufacture.

  The present invention that has solved the above problems is as follows.

[Invention of Claim 1]
A plurality of pattern rings in which convex portions are arranged at predetermined intervals along the direction of rotation of the peripheral surface,
A ring holder for releasably locking each of the plurality of pattern rings so that their axes coincide with each other;
A detachable pressing ring that holds the pattern ring together with the ring holder by sandwiching the pattern ring between the ring holder,
A fixing means for fixing and integrating the holding ring, the ring holder, and each pattern ring so that they can be reassembled and reassembled.
Edge embossing ring characterized by that.

[Invention of Claim 2]
There is a detachable spacer ring that interposes between the pattern rings and adjusts the distance between the pattern rings, and this spacer ring can be reassembled and reassembled together with the holding ring, ring holder, and multiple pattern rings by the fixing means. The edge embossing ring according to claim 1, wherein the edge embossing ring is fixed and integrated.

[Invention of Claim 3]
The edge embossing ring according to claim 1, wherein the position of each pattern ring is adjustable in the direction of rotation, and each pattern ring is fixed and integrated by the fixing means at an appropriate adjustable position.

(Function and effect)
The edge embossing ring of the present invention has a plurality of pattern rings having convex portions on the peripheral surface, and these are assembled together with the ring holder and the pressing ring so that they can be re-disassembled and reassembled by fixing means. Therefore, when a certain convex portion is worn, it is only necessary to replace the pattern ring including the convex portion, and it is not necessary to replace the entire edge embossing ring and further the entire portion having the convex portion.

  Further, by interposing a spacer ring between the pattern rings, the distance between the pattern rings can be adjusted depending on the thickness thereof, and the pattern can be changed.

  If the position of each pattern ring can be adjusted in the direction of rotation and each pattern ring is fixed and integrated by a fixing means at an appropriate adjustable position, the position of the convex portion between the pattern rings can be rotated. In this direction, it is possible to position and fix it relatively arbitrarily, so that it is possible to change the dispersion mode of the projections in the rotation direction, particularly in the arrangement pattern of the projections.

  Further, in the edge embossing ring of the present invention, since the arrangement pattern of the convex portions of the entire edge embossing ring is formed by a combination of a plurality of pattern rings, a simple arrangement without complicating the arrangement pattern of the convex portions in one pattern ring However, it is possible to form a complex convex arrangement pattern as a whole of the edge embossing ring by the combination. For this reason, even when the arrangement pattern of the convex portions of the entire edge embossing ring is complicated, it is possible to cope with the pattern ring simply by forming a simple convex portion, and it is easily manufactured without complicated cutting. It becomes possible. Further, the cost can be reduced.

  According to the present invention described above, when partial wear occurs, it is not necessary to replace the entire edge embossing ring, at least the entire portion where the edge embossing pattern is arranged, and the edge embossing pattern can be changed. An edge embossing ring that can be modified is provided.

It is the figure showing the front and side of the edge embossing ring which concern on this invention. It is an exploded view of the edge embossing ring which concerns on this invention. It is an enlarged front view of a part of the edge embossing ring according to the present invention (A portion in FIG. 1). It is a partially expanded sectional view of the decomposition | disassembly state of the edge embossing ring which concerns on this invention. It is a partially expanded sectional view of the assembly state of the edge embossing ring which concerns on this invention. It is a figure which shows the other example of the pattern ring which concerns on this invention. It is a figure which shows another example of the pattern ring which concerns on this invention. It is a figure for demonstrating the variation of the assembly state of the edge embossing ring which concerns on this invention. It is the schematic for demonstrating the usage aspect of the edge embossing ring which concerns on this invention. It is another schematic diagram for demonstrating the usage aspect of the edge embossing ring which concerns on this invention. It is a perspective view which shows the toilet roll of 2 ply which is a product example of the sanitary thin paper to which edge embossing was provided. It is a figure explaining the example of a pattern of edge embossing.

  Next, an embodiment of the present invention will be described in detail below with reference to FIGS.

  As shown in FIGS. 1 and 2, the edge embossing ring 1 according to this embodiment is characterized by a plurality of pattern rings 10, 10, 10, spacer rings 20, 20, a ring holder 30, and a holding ring 40. Each ring-shaped member 10, 20, 30, 40 is assembled so that it can be re-disassembled and reassembled with the axial center X aligned by the fixing means, It is configured in an integral ring shape, and has an array pattern of protrusions in which the protrusions formed on each pattern ring are combined. In addition, the structural member of the edge embossing ring 1 which concerns on this invention is not restricted only to these. You may have other suitable structural members in the range which does not prevent the effect of this invention. For example, a gasket for increasing the adhesion between the ring members may be provided.

  The said pattern ring 10 which concerns on this embodiment is a ring-shaped member by which the convex parts 11, 11, ... are arrange | positioned at predetermined intervals along the rotation direction of a surrounding surface. In the form shown in the figure, a rectangular convex portion is arranged on the circumferential surface of the row, and the rows arranged at regular intervals in the rotating direction are arranged in a row. However, in the present invention, the convex portion in each pattern ring 10 is arranged. The size, the height, the shape, the interval between the convex portions, the number of rows in which the convex portions are arranged, and the thickness of the pattern ring 10 are not particularly limited. These can be appropriately designed according to the use of sanitary thin paper to which edge embossing is applied and the composition and physical properties of the base paper. Further, in the illustrated form, the arrangement pattern of the convex portions 11 in each pattern ring 10 is the same, but it is not necessary to be the same in this way. However, in the assembled state, the distance from the axis X of each pattern ring 10 to the top surface of the convex portion 11 is matched so that the convex portion 11 in each pattern ring 10 contacts the paper surface in a desired pattern. design.

  On the other hand, the material of the pattern ring 10 according to the present embodiment can be a known material used for a portion forming a convex portion in a conventional edge embossing ring such as a hardened tool steel. Moreover, formation of the convex part of a pattern ring can be formed by known methods, such as cutting with a machining machine. Here, in the edge embossing of the present embodiment, an arrangement pattern of convex portions, which could not be formed only by a machining machine, is simpler and less expensive than wire cutting (such as wire electric discharge machining). Also has an excellent advantage in this respect. For example, an array pattern in which three rows of convex portions are arranged as shown in FIG. 12 has a portion where the convex portions in each row partially overlap in the axial direction (the overlapping portion is indicated by D in FIG. 12). In the conventional edge embossing ring, since the wire cannot be passed in the axial direction, the convex portion cannot be formed by wire cutting. However, in the pattern ring according to the illustrated embodiment of the present embodiment, an array pattern of convex portions in which rows arranged at regular intervals in the direction in which the convex portions rotate on the peripheral surface is processed thinly. Since it is easy and the wire can be passed in the axial direction and the rotational direction, it can be formed by wire cutting. And, in the edge embossing ring according to the present embodiment, a plurality of such pattern rings are appropriately shifted and fixed in the rotation direction, so that the relative positions in the rotation direction of the convex portions between the pattern rings are shifted. An arrangement pattern as shown in FIG. 12 can be constructed. That is, in the edge embossing according to the present embodiment, an array pattern of convex portions that could not be formed by a machining machine can be formed easily and at low cost by wire cutting.

  On the other hand, the ring holder 30 according to the present embodiment has a flat plate-shaped ring-shaped plate portion 31 and a locking cylinder portion 32 protruding from the inner peripheral edge to one side in the axial direction. Is formed so that the outer diameter thereof is equal to or slightly smaller than the inner diameters of the pattern ring 10 and the spacer ring 20, and the locking cylinder portion 32 is flush with the plurality of pattern rings 10, 10, 10 and the spacer rings 20, 20. By being inserted, the plurality of pattern rings 10, 10, 10 and the spacer rings 20, 20 are axially aligned with the ring holder 30 and are detachably locked. In the illustrated embodiment, as a preferred form, the inner diameter of the holding ring 40 is also the same as that of the pattern ring 10 and the spacer ring 20, and the holding cylinder portion 32 is also inserted into the holding ring 40, The ring 40 can also be easily detachably locked to the axial center. Further, in the illustrated embodiment, as the locking means for locking the pattern ring 10 and the spacer ring 20 and the pressing ring 40 in alignment with the axial center, a locking cylinder portion 32 is formed in the ring holder 30 and its outer diameter is The pattern ring 10, the spacer ring 20, and the holding ring 40 are formed so as to have the same inner diameter, but the locking means according to the present invention is not limited to such a locking structure. . For example, instead of the locking cylinder portion 32 protruding from the inner peripheral edge of the ring-shaped plate portion 31 of the ring holder 30, the outer peripheral side is a curved surface, and a locking convex piece that is flush with the inner peripheral surface of the pattern ring, etc. A locking structure in which a portion protruding from the inner peripheral edge of the ring-shaped plate portion 31 of the ring holder 30 is not a cylindrical shape can be mentioned. Further, one or a plurality of grooves extending in the axial direction are formed on the inner peripheral surfaces of the pattern rings 10, 20, 40, and the ring holder 30 is moved from the ring-shaped plate portion 31 in the axial direction. As a result of extending the locking convex piece toward one side, the patterning ring 10, 20, 40 is axially aligned and removably locked so that the locking convex piece is fitted in the groove. It is good also as a latching structure to do. Furthermore, by providing a through hole in the pattern ring 10, 20, 40, and extending a locking projection from the ring-shaped plate portion 31 of the ring holder 30 toward one side in the axial direction, and inserting it into the through hole It is good also as a latching structure latched so that attachment or detachment is possible. The ring-shaped plate portion 31 is a portion that holds the pattern ring 10 and the spacer ring 20 together with the retaining ring 40 and prevents the pattern ring 10 and the like from coming off the locking cylinder portion 32 and the like, and fixes the position. It is preferable that the side surface is configured to be in contact with the adjacent pattern ring 10 or spacer ring 20. The material of the ring holder 30 is not particularly limited. Similar to the pattern ring 10, a known material used in a conventional edge embossing ring such as a hardened tool steel can be used.

  On the other hand, the spacer ring 20 according to the present embodiment is disposed between the pattern rings 10, 10, 10 and adjusts the interval between the pattern rings 10, 10, 10. The outer diameter of the spacer ring 20 is at least the top surface of the convex portion 11 of the pattern ring 10 at the time of assembly so that the convex portion 11 of the pattern ring 10 can come into contact with the paper surface with an appropriate pressure. The diameter is located closer to the axial center side. The interval between the pattern rings 10, 10, 10 is adjusted according to the presence / absence of the spacer ring 20 and the thickness of the spacer ring 20. Therefore, in the present invention, the spacer ring 20 is not an essential structure, and rotates to the outer peripheral surface of the pattern ring 10 by adjusting the separation distance between the pattern rings 10, 10, 10 by the spacer ring 20 in this way. The separation distance of the rows by the convex portions 11 arranged at predetermined intervals along the direction is also adjusted as appropriate, and thus the existence range and the existence interval of the pattern of the convex portions 11 can be adjusted, particularly in the axial direction. In the illustrated embodiment, an example in which one spacer ring 20 is interposed between the pattern rings 10 and 10 is shown. However, not only one pattern ring but also a plurality of spacers are interposed between the pattern rings 10 and 10. A ring 20 may be interposed. In addition, the spacer ring 20 may be interposed not only between the pattern rings 10 and 10 but also between the pattern ring 10 and the pressing ring 40 and between the ring-shaped plate portion 31 of the ring holder 30 and the pattern ring 10. it can. In addition, the material of the spacer ring 20 should just be a material which has the appropriate rigidity of the grade which can keep the separation distance between the pattern rings 10 and 10 constant at the time of use. Similar to the pattern ring 10, a known material used in a conventional edge embossing ring such as a hardened tool steel can be used.

  On the other hand, the holding ring 40 holds the pattern ring together with the ring holder 30 by sandwiching the pattern rings 10, 10, 10 and the spacer rings 20, 20 with the ring-shaped plate portion 31 of the ring holder 30. The holding ring 40 may be in a shape that can be pressed against the side surface of the pattern ring 10 or the spacer ring 20, and the side surface does not necessarily have to be a plane, but the side surface of the pattern ring 10 and the spacer ring 20 as a plane is in contact with the holding ring 40. It is preferable to do so because the fixing and pressing of the pattern ring 10 and the spacer ring 20 are effective. The material of the pressing ring 40 is not particularly limited. Similar to the pattern ring 10, a known material used in a conventional edge embossing ring such as a hardened tool steel can be used.

  On the other hand, in the edge embossing ring 1 according to the present embodiment, each of the members 10, 20, 30, 40 is re-disassembled in a state where the ring members 10, 20, 30, 40 are locked to each other as described above. It is fixed and integrated by a reassembling fixing means. As shown in FIGS. 1 to 5, the fixing means in the edge embossing ring 1 according to the present embodiment is an outer periphery from the axial center X of each member of the pressing ring 40, the pattern rings 10, 10, 10 and the spacer rings 20, 20. A screw insertion hole 51 is formed at a position spaced by the same distance in the radial direction toward the surface. The ring-shaped plate portion 31 of the ring holder 30 includes the pressing ring 40 and the pattern rings 10 and 10. , 10 and the spacer rings 20, 20 are engaged with the ring holder 30, and a female screw portion 52 is formed at a position corresponding to the screw insertion hole 51 of these members, and at least A screw member 55 having a male threaded portion 53 at the tip is attached to the holding ring 40, the pattern rings 10, 10, 10 and the spacer ring. It has a fixing structure in which each member 10, 20, 30, 40 are fixed by through fitting the screw insertion holes 51, 51 ... of the grayed 20,20 screwed into the female screw portion 52. In the form shown in the figure, as a preferred form, in particular, the screw member 55 has a male screw part 53 only at the tip, and the body part 54 between the base end does not have a screw part. The diameter of the body portion 54 is formed so as to coincide with at least two surfaces with the inner peripheral surfaces of the screw insertion holes 51, 51... Of the pressing ring 40, the pattern rings 10, 10, 10 and the spacer rings 20, 20. It is formed so as to be fixed so as not to cause rattling in the radial direction. Further, in the illustrated form, the screw insertion hole 51 of the holding ring 40 into which the screw member 55 is first inserted is subjected to counterboring 51A, and the head portion 56 of the screw member 55 has a countersunk screw shape. When the fixing by the screw member 55 is completed, the side surface of the pressing ring 40 and the top surface of the head of the screw member 55 are flush with each other, and each member is pressed by the pressing ring 40 generated by tightening the screw member 55. Fixing force is transmitted effectively. Here, in the illustrated embodiment, the fixing member is a fixing structure in which the screw member 55 is screwed into the female screw portion 52 formed in the ring holder 30, but the fixing means is not limited to this example. For example, the ring holder may be a fastening structure with bolts and nuts that are tightened with a nut after passing through a screw member as a simple through hole without using a female screw part. Moreover, it is good also as a fastening structure by a well-known quick release pin. Further, in the illustrated embodiment, each ring member is fixed to the ring holder by the screw members 55 at eight positions at equal intervals at appropriate positions in the radial direction from the axial center. The location can be designed appropriately.

  In the edge embossing ring 1 of the above embodiment, the screw members 55 are assembled by screwing, and the members 10, 20, 30, and 40 are disassembled by loosening and removing the screw members 55. Therefore, when only a certain convex portion 11 is worn or only a row of certain convex portions 11 is worn, only the pattern ring 10 related to the worn convex portion 11 needs to be replaced. In addition, by providing a plurality of pattern rings 10, a simple arrangement pattern of the convex portions 11 formed there can be a complicated pattern by combining the pattern rings 11. Therefore, wire cutting in each pattern ring 10 and cutting with a machining machine are facilitated, and the cost for forming the convex portion is reduced.

  On the other hand, in the edge embossing ring 1 according to the present embodiment, as shown in FIG. 6, the screw insertion holes 51 formed in the pattern ring 10 are arranged along a concentric circle at a constant distance from the axis of the pattern ring 10. It is desirable to provide a long hole with a plurality of screw insertion holes 51 as shown in FIG. In this way, when the pattern ring 10 is fixed by the screw member 55, it can be adjusted and fixed at an appropriate position in the rotating direction. That is, the relative position of the convex portion 11 of each pattern ring 10 can be appropriately shifted and fixed in the rotation direction, and as shown in FIGS. By appropriately changing the position of the portion 11, it is possible to change the arrangement pattern of the convex portions 11 as the entire edge embossing ring 1.

  In addition, in the edge embossing ring 1 which concerns on this embodiment, you may comprise so that the convex part of the adjacent pattern rings 10 and 10 may form one convex part.

  Here, the use of the edge embossing ring 1 of the present embodiment will be described. As shown in FIG. 9, the edge embossing ring 1 of the present embodiment is, for example, against both ends of the shaft 3 fixed to the clamp 2. A ball bearing bearing 5 or the like (not shown) is rotatably mounted by being interposed in its hole in the locking cylinder portion 32 or the like. Then, as shown in FIGS. 9 and 10, single-layer base papers 81 and 81 are fed out from a plurality of raw rolls 80 and 80, and thereafter, the base papers 81 and 81 are overlapped to form a laminated state (the base papers in the laminated state are designated by reference numerals). 81A), the sheet is passed between the edge embossing ring 1 and the metal or rubber receiving roll 6 that receives the edge embossing ring 1 in the laminated state. The base paper 81 </ b> A that has passed between the edge embossing ring 1 and the receiving roll 6 is subjected to processing such as being wound up in a subsequent process to form a roll. For example, if it is a toilet roll, it is wound to the same diameter as that of the toilet roll to form a roll-shaped intermediate product called a log. If it is made of tissue paper, it is supplied to the subsequent folding equipment. The material roll is wound up. In FIG. 10, the edge embossing ring 1 is in the upper position and the receiving roll 6 is in the lower position, but the positional relationship between these rolls is not limited to this, and the arrangement of the edge embossing ring 1 and the receiving roll 6 is not limited thereto. May be upside down with respect to the position of FIG. In FIG. 10, the base papers 81 and 81 are fed out from the raw rolls 80 each wound with a single-layer base paper 81, but the raw paper rolls are wound from a base roll 81 </ b> A on which a plurality of sheets are stacked in advance. May be sent out.

  DESCRIPTION OF SYMBOLS 1 ... Edge embossing ring, 2 ... Clamp, 3 ... Shaft, 5 ... Ball bearing bearing, 6 ... Receiving roll, 10 ... Pattern ring, 11, 111 ... Convex part, 20 ... Spacer ring, 30 ... Ring holder, 31 ... Ring Plate-like plate part, 32 ... locking cylinder part, 40 ... pressing ring, 51 ... screw insertion hole, 51A ... counterbore processing, 52 ... female screw part, 53 ... male screw part, 54 ... trunk part, 55 ... screw member, 56 DESCRIPTION OF SYMBOLS ... Head, 80 ... Original fabric roll, 81 ... Base paper, X ... Axis center, 100 ... Toilet roll, 101 ... Toilet paper, 101A, 101B ... Toilet paper base paper, 102 ... Emboss, 111L ... Convex part row | line | column.

Claims (3)

A plurality of pattern rings in which convex portions are arranged at predetermined intervals along the direction of rotation of the peripheral surface,
A ring holder for releasably locking each of the plurality of pattern rings so that their axes coincide with each other;
A detachable pressing ring that holds the pattern ring together with the ring holder by sandwiching the pattern ring between the ring holder,
A fixing means for fixing and integrating the holding ring, the ring holder, and each pattern ring so that they can be reassembled and reassembled.
Edge embossing ring characterized by that.   There is a detachable spacer ring that interposes between the pattern rings and adjusts the distance between the pattern rings, and this spacer ring can be reassembled and reassembled together with the holding ring, ring holder, and multiple pattern rings by the fixing means. The edge embossing ring according to claim 1, wherein the edge embossing ring is fixed and integrated.   The edge embossing ring according to claim 1, wherein the position of each pattern ring is adjustable in the direction of rotation, and each pattern ring is fixed and integrated by the fixing means at an appropriate adjustable position.

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