CN102724902B - Production method for secondary original fabric roll for tissue paper products and production method for tissue paper products - Google Patents

Production method for secondary original fabric roll for tissue paper products and production method for tissue paper products Download PDF

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Publication number
CN102724902B
CN102724902B CN201080062582.6A CN201080062582A CN102724902B CN 102724902 B CN102724902 B CN 102724902B CN 201080062582 A CN201080062582 A CN 201080062582A CN 102724902 B CN102724902 B CN 102724902B
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China
Prior art keywords
paper
stacked
tissue paper
continuous form
roll
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CN201080062582.6A
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CN102724902A (en
Inventor
细川和范
石川睦
佐佐木信义
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Daio Paper Corp
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Daio Paper Corp
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/16—Paper towels; Toilet paper; Holders therefor
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/002—Tissue paper; Absorbent paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/50—Spraying or projecting

Abstract

Disclosed is a production method for a secondary original fabric roll for tissue paper products which enables liquid medicine spraying at a low cost, and enables the easy switching between a state wherein liquid medicine spraying is present and that where liquid medicine spraying is absent. The disclosed method for a secondary original fabric roll for tissue paper products comprises: a laminating step (51) for making a continuous laminated sheet (S2) from primary continuous sheets (S11, S12), which are drawn out of a plurality of primary original fabric rolls (JR), by laminating the continuous sheets along the continuation direction thereof; a liquid medicine spraying step (53) for attaching liquid medicine in a sprayed state to the continuous laminated sheet (S2); a slit step (55) for slitting the continuous laminated sheet (S2) so that the sheet is the width of a tissue paper product, or is a width which is several times the width of a tissue paper product; and a winding step (56) for forming a plurality of secondary original fabric rolls (R) having the width of a tissue paper product, or a width which is several times the width of a tissue paper product, by winding the slit continuous laminated sheets (S2) around the same axis.

Description

The manufacture method of secondary whole roll for tissue paper product and thin-paged paper products manufacture method
Technical field
The present invention relates to the manufacture method of secondary whole roll for tissue paper product (former anti-ロ mono-Le of secondary) for folding machine (イ Application タ mono-Off オ Le ダ) in the middle of multimachine seat (マ Le チ ス タ Application De) formula and the manufacture method of thin-paged paper products.
Background technology
The boxed products of tissue paper manufactures usually in the following way: in the middle of utilizing folding machine (folding apparatus) to multiple continuous print tissue paper carry out folding carry out simultaneously stacking, obtain tissue paper pile with predetermined length cut-out etc., this tissue paper pile is accommodated in receiver (テ イ シ ユ カ mono-ト Application).
As the example of so middle folding machine, there will be a known as folding machine in the middle of multimachine A seating (multi-connection type) disclosed in following patent document 1,2, rotary middle folding machine etc. disclosed in following patent document 3,4.
As the conventional example of the manufacture method of folding machine in the middle of use multimachine A seating, there is following example.Namely, a paper roll (usually also referred to as large coil paper) is manufactured by carrying out batching after tissue paper of manufacturing paper with pulp in copy paper equipment, next, this paper roll is placed in stacked machine (プ ラ イ マ シ Application), one-time continuous paper (シ mono-ト) is extracted out from a multiple paper roll, this one-time continuous paper is overlapped and carries out batching and carry out rip cutting (being divided into goods width or its many times of width of thin-paged paper products in the direction of the width) simultaneously, manufacture the secondary paper roll be made up of multilayer.
By the secondary paper roll that utilizes stacked machine to manufacture by after taking out in stacked machine, only the secondary paper roll of requirement is placed in folding machine in the middle of multimachine A seating.Next, extract secondary continuous form out from secondary paper roll, send into fold mechanism portion, carry out folding and stacking at the same time, cut into thereafter predetermined length and make tissue paper pile, be accommodated in receiver.
Compared with using the manufacture method of other folding apparatus, use the manufacture method of folding machine in the middle of such multimachine A seating to have multiple stage (being generally 80 ~ 100 (bases)) fold mechanism, thus there is the advantage that productivity ratio is high.
But in recent years, the demand for the goods being coated with the liquids such as NMF (being usually also called " toner liquid ") on thin-paged paper products increases, such as, propose manufacture method disclosed in following patent document 5 ~ 7 or the various schemes of equipment.(such as following patent document 5) that the thin-paged paper products containing toner liquid so is mainly manufactured by rotary middle folding machine usually.But rotary middle folding machine carries out in the direction vertical with machine direction folding and cuts out, and thus has the shortcoming that productivity ratio is low simultaneously.
Prior art document
Patent document
Patent document 1: United States Patent (USP) No. 4052048 publications (Japanese Patent Publication 55-1215 publication)
Patent document 2: Japanese Unexamined Patent Publication 2006-240750 publication
Patent document 3: Japanese Laid-Open Patent Publication 61-37668 publication
Patent document 4: Japanese Unexamined Patent Publication 5-124770 publication
Patent document 5: Japanese Unexamined Patent Publication 2004-322034 publication
Patent document 6: Japanese Unexamined Patent Application Publication 2008-525103 publication
Patent document 7: Japanese Unexamined Patent Publication 2008-264564 publication
Summary of the invention
The problem that invention will solve
Therefore, the present inventor consider to utilize the manufacture method employing folding machine in the middle of multimachine A seating to manufacture the thin-paged paper products being endowed liquid, and in the middle of described multimachine A seating, folding machine is high with rotary middle folding machine phase specific production rate.
But, when utilizing the manufacture method employing folding machine in the middle of multimachine A seating to manufacture, arrange liquid in addition give operation if separate with folding machine in the middle of stacked machine or multimachine A seating, then the conveying with paper roll bothers and expends the problem of huge equipment cost.Further, if arrange liquid in folding machine to give operation in the middle of multimachine A seating, then need to arrange respectively for manufacturing the production line of the thin-paged paper products giving liquid and being used for manufacturing the production line of the thin-paged paper products not giving liquid.
Therefore, major subjects of the present invention is the manufacture method providing a kind of secondary whole roll for tissue paper product, it is when utilizing folding machine manufacture secondary whole roll for tissue paper product in the middle of multimachine A seating, without the need to significantly scrap build, just much of that by the small-sized transformation of existing equipment, although use folding machine in the middle of single multimachine A seating, the switching to the thin-paged paper products imparting liquid and the thin-paged paper products of not giving liquid is easy to, productivity ratio excellence.
On the other hand, being mixed into of paper powder can also be suppressed, more stably can give liquid.
For solving the means of problem
Means and their action effect for solving above-mentioned problem are as described below.
(invention according to claim 1)
A manufacture method for secondary whole roll for tissue paper product, it is manufacture the manufacture method of multiple secondary paper rolls of thin-paged paper products continuously by once paper roll, and the feature of this manufacture method is, it has following operation:
Lamination process, in this operation, carries out stacked by the one-time continuous paper extracted out from a multiple paper roll along its continuous direction, makes stacked continuous form;
Medicine liquid spray operation, in this operation, is given to stacked continuous form by liquid with atomize;
Rip cutting operation, in this operation, carries out rip cutting to stacked continuous form, becomes goods width or its many times of width of thin-paged paper products; And
Coiling process, in this operation, coaxially batches each stacked continuous form after rip cutting, forms the goods width of thin-paged paper products or multiple secondary paper rolls of its many times of width.
(action effect)
In the present invention, manufacturing in the stacked machine of what is called of the secondary whole roll for tissue paper product for being supplied to folding machine in the middle of multimachine A seating continuously from a paper roll after carrying out manufacturing paper with pulp, batching, assembling medicine liquid spray operation is given liquid to paper.
Therefore, without the need to significantly scrap build, by the Small-scale redevelopment of existing stacked machine, just it is enough, therefore has the advantage utilizing equipment that investment goods expense is few just enough.
And, not, in the middle of multimachine A seating, in folding machine, medicine liquid spray operation is set, but medicine liquid spray operation is assembled in stacked machine, because this has been the thin-paged paper products that liquid is given and the switching of thin-paged paper products of not giving liquid, give simply by the liquid whether carrying out secondary whole roll for tissue paper product and carry out switching, therefore productivity ratio excellence.
In addition, when medicine liquid spray operation being set in folding machine in the middle of multimachine A seating, such as consider to arrange the multiple medicine liquid spray devices equaling the stacked paper number of plies, but this not only can cause cost of equipment high, and extremely difficulty guarantees its installation space, the correct management of the imparting amount in addition in each device is in fact also difficult to accomplish.Compared with which, manufacture method of the present invention has the advantage of excellence in cost of equipment and imparting buret reason etc.
On the other hand, in the middle of multimachine A seating when folding machine, its process velocity (gait of march of paper) is low, therefore as recorded in Japanese Unexamined Patent Publication 2008-245780 publication, in rotating cylinder formula processing machine, liquid can be given in the process of supply wide cut paper (such as about 2 ~ 3m).
But, think the high speed that the manufacturing line of the tissue paper that folding machine relates in the middle of multimachine A seating such as can reach 700 ~ 1400m/ and divides.In this case, in stacked machine in order to the coupling of speed of production also needs to carry out stacked processing at the same rate.In the stacked machine of this high speed, such as, when being coated with liquid in modes such as intaglio plate, soft version, roller coat, mainly produce a large amount of paper powder because of the paper of advancing at a high speed and the friction of coating roller, and be mixed into and apply in liquid, its change in concentration, causes coating weight to have variation.On the other hand, in the present invention, utilize spraying to carry out the imparting of liquid, therefore free from the adjoint problem of the generation of paper powder.
In addition, when utilizing according to the present invention spraying to carry out the imparting of liquid, visible in the modes such as intaglio plate, soft version, roller coat, fibrage can not be produced and be crushed on situation between roller under containing the state of liquid, therefore, it is possible to obtain more fluffy or that thickness is large tissue paper.
(invention according to claim 2)
The manufacture method of secondary whole roll for tissue paper product as claimed in claim 1, wherein, described medicine liquid spray operation is after described lamination process and carried out before described rip cutting operation.
(invention according to claim 3)
The manufacture method of secondary whole roll for tissue paper product as claimed in claim 2, wherein, has the smoothing operation utilizing calender smoothingization to process between described lamination process and described medicine liquid spray operation.
(invention according to claim 4)
The manufacture method of secondary whole roll for tissue paper product as claimed in claim 2, wherein, between described medicine liquid spray operation and described rip cutting operation, there is contact embossed cotton, in this contact embossed cotton, the contact embossing preventing the wire of splitting is applied to described stacked continuous form.
(invention according to claim 5)
The manufacture method of secondary whole roll for tissue paper product as claimed in claim 1, wherein, the imparting of described liquid is undertaken by nozzle spray mode.
(invention according to claim 6)
The manufacture method of secondary whole roll for tissue paper product as claimed in claim 1, wherein, the imparting of described liquid is undertaken by rotating wetting spray pattern.
(invention according to claim 7)
Prepare multiple described secondary paper roll obtained by any one claim in the claims, they are configured along production line direction in folding machine in the middle of multimachine A seating, the multiple secondary continuous forms extracted out from each secondary paper roll are carried along its continuous direction, and carry out stacking in its course of conveying while folding, cut off the stacked paper of predetermined number with predetermined length afterwards and form tissue paper pile, this lamination is accommodated in receiver.
Invention effect
The secondary whole roll for tissue paper product utilizing rip cutting operation to manufacture in the mode of the goods width or its many times of width that become thin-paged paper products in manufacture method of the present invention, is placed in this secondary whole roll for tissue paper product multiple in the middle folding machine of multimachine A seating at its back segment.Next, extract secondary continuous form continuously out by the secondary paper roll be placed in the middle of multimachine A seating in folding machine, be sent in fold mechanism portion, this carry out folding carry out stacking, thereafter cut into predetermined length and make tissue paper pile, be accommodated in receiver.
In the present invention, in the manufacture method of secondary whole roll for tissue paper product, liquid is given to stacked continuous form with spray pattern.Therefore, can not as with stacked machine or multimachine A seating in the middle of folding machine separate to arrange in addition to produce situation that liquid gives operation and carry the trouble of paper roll and spend huge equipment cost.
Further, when the thin-paged paper products of liquid is not given in manufacture, only need not carry out manufacturing in the manufacture process of secondary whole roll for tissue paper product, with not carrying out liquid imparting, thus easily can carry out the switching manufactured.
In the manufacture method of secondary whole roll for tissue paper product of the present invention, medicine liquid spray operation preferably to be carried out after lamination process before rip cutting operation.This is because, if medicine liquid spray operation is before lamination process, then the equipment for being given liquid by spraying to each one-time continuous paper must be set; In addition, if liquid gives operation after rip cutting operation, then will give liquid to utilizing rip cutting operation to be divided into multiple stacked continuous forms by spraying, thus liquid can spill from joint-cutting (slit), and this becomes the reason of roller pollution or paper break.If carry out liquid to give operation between lamination process and rip cutting operation, as long as then prepare to be used for only to the equipment of the stacked continuous form ejection medicine liquid spray without rip cutting procedure division, the loss of liquid is few, and paper break is few, and operation is stablized.
In the manufacture method of secondary whole roll for tissue paper product of the present invention, preferably there is the smoothing operation of the process such as smoothingization that utilize calender.By having smoothing operation, ganoid secondary whole roll for tissue paper product can be manufactured.
And smoothing operation is preferably carried out with contacting between embossed cotton at lamination process.If smoothing operation is before lamination process, the equipment then processed for outer surface smoothingization of the outside paper to stacked paper at least will have 2, otherwise just can not obtain the effect equal with the smoothing operation of the needs 1 after lamination process, in addition, when utilizing 2 calenders to make to become outer field 2 paper surfaces to obtain equal flatness, easily damage paper sheet thickness.
In the manufacture method of secondary whole roll for tissue paper product of the present invention, preferably there is contact embossed cotton, in this operation, the contact embossing preventing the wire of splitting is applied to stacked continuous form.
This contact embossed cotton preferably carried out before rip cutting operation.If contact embossed cotton is after rip cutting operation, then give contact embossing to the stacked continuous form having cut slit with goods width, form two places (two bar line) in the end of the stacked paper of continuous print product width and contact embossing, therefore easily make paper break compared with contact embossing over the entire width.
In the manufacture method of secondary whole roll for tissue paper product of the present invention, the method for medicine liquid spray can use arbitrarily nozzle spray mode, rotate the known spray methods such as wetting spray pattern.
Accompanying drawing explanation
Fig. 1 illustrates the manufacturing equipment of a paper roll and the schematic diagram of manufacture method.
Fig. 2 is the schematic diagram of the example that folding machine in the middle of multimachine A seating is shown, shows the state of observing from front.
Fig. 3 is the schematic diagram of the example that folding machine in the middle of multimachine A seating is shown, shows the state of observing from the side.
Fig. 4 is the schematic diagram of the example that folding machine in the middle of multimachine A seating is shown, shows the state of observing from front.
Fig. 5 is the longitudinal section of folding tissue paper.
In Fig. 6, (a) figure illustrates figure tissue paper pile being accommodated in the state in receiver, and (b) figure is the partial sectional view of the taking-up state that the tissue paper be accommodated in receiver is shown.
Fig. 7 is the important part amplification stereogram of flap (folding り plate) region of interest.
Fig. 8 is for illustrating the important part amplification stereogram of the folding mode of secondary continuous form (tissue paper).
Fig. 9 is for illustrating the important part amplification stereogram of the folding mode of secondary continuous form (tissue paper).
Figure 10 is for illustrating the important part amplification stereogram of the folding mode of secondary continuous form (tissue paper).
Figure 11 illustrates the manufacturing equipment of secondary paper roll and the schematic diagram of manufacture method.
Figure 12 is the enlarged view of the medicine liquid spray unit periphery shown in Figure 11.
Figure 13 illustrates the figure utilizing contact embossing unit stacked continuous form to be given to the state of contact embossing.
Figure 14 is the schematic diagram of another example that medicine liquid spray unit is shown.
Figure 15 is the schematic diagram of the example representing other medicine liquid spray unit.
Figure 16 represents the manufacturing equipment of other secondary paper rolls and the schematic diagram of manufacture method.
Figure 17 represents the manufacturing equipment of other secondary paper rolls and the schematic diagram of manufacture method.
Figure 18 represents the manufacturing equipment of other secondary paper rolls and the schematic diagram of manufacture method.
Figure 19 represents the manufacturing equipment of other secondary paper rolls and the schematic diagram of manufacture method.
Figure 20 is for illustrating the schematic diagram of the structure of stacked continuous form (tissue paper).(A) figure of Figure 20 is MD direction sectional view before medicine liquid spray, (B) figure of Figure 20 is top view before medicinal liquid osmosis operation, (C) figure of Figure 20 is I-I direction of arrow view.
Figure 21 is for illustrating the schematic diagram of the surface relief structure of stacked continuous form (tissue paper).Before (A) figure of Figure 21 represents medicine liquid spray, after (B) figure of Figure 21 represents medicine liquid spray.
Figure 22 is the schematic diagram that medicinal liquid osmosis operation is shown.
Figure 23 is the figure of the assay method of the MMD value representing tissue paper.
Detailed description of the invention
Next, embodiments of the present invention are described.And the arrow HD in figure represents horizontal direction, arrow LD represents above-below direction.
(manufacture of a paper roll)
Be described with reference to the example of Fig. 1 to the manufacture method of a paper roll.
As shown in Figure 1, the l Water Paper W that have passed through wet end is placed in lower felt 111 and is carried, thereafter, make l Water Paper W be held under the state between top felt 110 and lower felt 111 between top roller 112 and bottom roller 113 by carrying out squeezing water.Thereafter, the l Water Paper W after squeezing water is attached under the state being placed in top felt 110 surface of Yankee cylinder (yankee dryer) 115 via contact roller 116.Then, l Water Paper W is dry through Yankee cylinder 115, is stripped, then batches, thus make a paper roll JR by scraper 117.
When carrying out this copy paper, the chemicals that pH adjusting agent, defoamer, anticorrisive agent, slimicide, the dyestuffs etc. such as such as dispersant, dry paper power reinforcing agent, moistening paper power reinforcing agent, softening agent, remover, cement, NaOH are suitable can be added.
And, in the manufacture method of this paper roll, also can calender unit 118 be utilized to implement smoothing techniques after utilizing scraper 117 to peel off.
(manufacture of secondary whole roll for tissue paper product)
A paper roll JR manufactured by above-mentioned example manufactures multiple secondary paper rolls of thin-paged paper products continuously.Such as, as shown in figure 11, the manufacturing equipment X1 (stacked machine X1) of secondary whole roll for tissue paper product can lay a paper roll JR manufactured by least plural above-mentioned example, manufacturing equipment X1 have the one-time continuous paper (being S11, S12 in examples shown) extracted out by these paper roll JR carried out along its continuous direction stacked and make the lamination unit 51(lamination process of stacked continuous form S2).
The a pair medicine liquid spray unit 53 stacked continuous form S2 sent by lamination unit 51 being sprayed to liquid is provided with at the back segment of lamination unit 51, and, have by and the rip cutting unit 55(rip cutting operation that forms of the multiple cutters established in the backend configuration of these medicine liquid spray unit 53), it carries out rip cutting to the stacked continuous form S2 transported by medicine liquid spray unit 53, and is cut into goods width or its many times of width of thin-paged paper products.And be provided with winding unit 56 at the back segment of rip cutting unit 55, it coaxially batches the stacked continuous form S2 having been carried out rip cutting by rip cutting unit 55, form the goods width of thin-paged paper products or multiple secondary roll R of its many times of width.Herein, this winding unit 56 has two reel cylinder 56A for each stacked continuous form S2 through rip cutting being guided to secondary roll R, and the outer peripheral face of these two reel cylinder 56A and secondary roll R tangentially guides stacked continuous form S2.
In the manufacture of the secondary whole roll for tissue paper product of present embodiment, process velocity (being also the paper travel speed during medicine liquid spray is given) is 100 ~ 1100 ms/min, is preferably 350 ~ 1050 ms/min, is more preferably 450 ~ 1000 ms/min.If be less than 100 ms/min, then productivity ratio is low; On the other hand, if more than 1100 ms/min, then the paper break frequency of stacked continuous form S2 likely uprises.
(utilizing the processing that in the middle of multimachine A seating, folding machine carries out)
The secondary whole roll for tissue paper product R that multiple (1/2 of such as goods group number) produces like this is placed on the middle folding machine of multimachine A seating, secondary continuous form is extracted out by laid secondary roll R and carries along its continuous direction, and carry out folding while carry out stacked in moving process, manufacture tissue paper pile thus, then the stacked paper of predetermined number cut off with predetermined length and form tissue paper pile, and this tissue paper pile is accommodated in receiver, produce thin-paged paper products thus.
Below, an example of folding machine and packaged configuration in the middle of this multimachine A seating is described.
One example of folding machine in the middle of multimachine A seating has been shown in Fig. 2 and Fig. 3.Label 2 in figure represents secondary roll R, the R of the not shown secondary paper roll support being placed in folding machine 1 in the middle of multimachine A seating ...For this secondary roll R, R ..., by requisite number object secondary roll R, R ... laterally be placed in abreast (for horizontal direction, Fig. 3 are paper fore-and-aft direction in Fig. 2) on the direction orthogonal with illustrating plane.For each secondary roll R, in the manufacture process of above-mentioned secondary whole roll for tissue paper product, rip cutting becomes thin-paged paper products width, to carry out batching, laying with double-width in many times of width of thin-paged paper products, illustrated example.
The banded secondary continuous form of the continuous print rolled out by secondary roll R 3A and 3B is directed to the pilot units such as roller G1, G1 and guides and be sent to fold mechanism portion 20.Further, as shown in Figure 4, possess flap group 21 in fold mechanism portion 20, flap group 21 is flap P, P ... be set up in parallel with required number.For each flap P, possess guide roller G2, G2 or guiding pole parts G3, the G3 for guiding a pair continuous print secondary continuous form 3A or 3B respectively in position.Further, at flap P, P ... below possess conveyer 22, this conveyer 22 accept be folded stacking laminated belt 30 and transmit.
Employ this flap P, P ... fold mechanism be such as known mechanism based on United States Patent (USP) No. 4052048 patent specifications etc.As shown in Figure 5, this fold mechanism makes each continuous print secondary continuous form 3A, 3B ... fold in Z-shaped, also make adjacent continuous print secondary continuous form 3A, 3B simultaneously ... side end alternating with each other stacking.
Particularly relevant to the flap P position in fold mechanism portion 20 is shown in detail in Fig. 7 ~ Figure 10.In this fold mechanism portion 20, for each flap P, a pair continuous print secondary continuous form 3A and 3B is guided.Now, for continuous print secondary continuous form 3A and 3B, utilize guiding pole parts G3, G3, the mode that position is not overlapped each other by side end staggers, and guides simultaneously.
When guiding to flap P, using the continuous print secondary continuous form overlapped in downside as the first continuous print secondary continuous form 3A, during using the continuous print secondary continuous form overlapped in upside as the second continuous print secondary continuous form 3B, for these continuous print secondary continuous forms 3A and 3B, as shown in Figure 5 and Figure 8, first continuous print secondary continuous form 3A's, the side end e1 do not overlapped with the second continuous print secondary continuous form 3B, the upside of the second continuous print secondary continuous form 3B is folded to by the side plate P1 of flap P, and as shown in figs. 5 and 9, second continuous print secondary continuous form 3B's, the side end e2 do not overlapped with the first continuous print secondary continuous form 3A, under being moved to flap P by joint-cutting (slit) P2 from flap P thus be folded to downside.Now, as shown in Fig. 5 and Figure 10, between the folding portion being directed to the second continuous print secondary continuous form 3B by the joint-cutting P2 from flap P at the side end e3 (e1) of the stacking continuous print secondary continuous form 3A of flap P place one edge contraction of upstream is divided.Like this, each continuous print secondary continuous form 3A, 3B ... folded by Z-shaped, the side end of simultaneously adjacent continuous print secondary continuous form 3A and 3B is alternating with each other, thus, when the use of goods, when extracting the tissue paper of topmost out, the side end of tissue paper below can be drawn out of.
The laminated belt 30 that in the middle of multimachine A seating, folding machine 1 obtains is utilized for by such as upper type, as shown in Figure 2, in the cutting unit 41 of back segment, carry out cutting out (cut-out) with predetermined space at flow direction FL, make tissue paper pile 30a, as shown in Fig. 6 (a), this tissue paper pile 30a is received in receiver B further in back segment equipment.And in the middle of above multimachine A seating in folding machine 1, about the direction of the paper of laminated belt 30, being longitudinally (MD direction) along flow direction FL, is laterally (CD direction) along the direction orthogonal with flow direction.Therefore, about the direction of the paper of the tissue paper formed by the tissue paper pile 30a that laminated belt 30 is obtained with predetermined length cut-out, as shown in Fig. 6 (a), bearing of trend along the folding part of tissue paper is longitudinally (MD direction), and the orthogonal direction of the bearing of trend along the folding part with tissue paper be transverse direction (CD direction).
In Fig. 6 (b), show and tissue paper is piled up the example that 30a is accommodated in the goods made in receiver B.Be provided with perforation M at the upper surface of receiver B, utilize this perforation M to break a part for receiver B upper surface, thus make the upper surface open of receiver B.The film F that this opening utilizes central authorities to have longitudinal incision covers, and can take out tissue paper T through the otch be located on this film F.
In addition, as mentioned above, about the direction of the paper of the tissue paper of formation tissue paper pile 30a, be laterally (CD direction) along the direction that the bearing of trend of the folding part with tissue paper is orthogonal, thus as shown in Fig. 6 (b), when being pulled out from receiver B by tissue paper T, its pull-out direction is along the transverse direction (CD direction) of tissue paper T.
(calender unit)
In addition, more than one calender unit 52 of stacked continuous form S2 being carried out to calendering process can be provided with in the manufacturing equipment X1 of previously described secondary whole roll for tissue paper product.
Calendering classification in calender unit 52 is not particularly limited, but for the reason of the raising of surface smoothness and the thick adjustment of paper, is preferably soft calendering or colds pressing and prolong (チ Le De カ レ ン ダ ー).Soft calendering is the calendering using the roller being coated with urethane rubber elastomeric material to carry out, the calendering of prolonging as being formed by metallic roll of colding pressing.
The number of calender unit 52 can suitably change.If arrange multiple, soon also can the advantage of abundant smoothing even if then have process velocity; On the other hand, if one, even if then have the advantage that narrow space also can carry out arranging.
When arranging plural calender unit 52, can and be located at horizontal direction, above-below direction or incline direction, and also can to these setting directions combination be configured.And if be located at horizontal direction, then little owing to holding around angle (embrace I angle), process velocity thus can be made to be at a high speed; If establish at above-below direction, then installation space can be reduced.And, herein said hold around angle be meant to from Gun Zhou center observe paper connect between the angle (together) of (part for the circular arc in cross section orthogonal to the axis).
Also the calendering classification in Calendering process conditions, linear load, nip number etc. can be carried out copy paper as control essential factor, these control essential factors preferably according to the quality of required tissue paper and paper is thick and superficiality suitably changes.
Further, the setting position of calender unit 52 is not particularly limited, and can select back segment at lamination unit 51 and at the leading portion of medicine liquid spray unit 53, also can select back segment at medicine liquid spray unit 53 and at the leading portion of contact embossing unit 54.
(contact embossing unit)
In the manufacturing equipment X1 of secondary whole roll for tissue paper product, the contact embossing unit 54 stacked continuous form S2 being given to contact embossing can be provided with.
Herein, as shown in figure 13, contact embossing unit 54 has following structure: for metallic roll or resilient roller backing roll 54B, with predetermined pressure, outer peripheral face is mutually abutted with the metal hard roller 54A (コ ロ) on surface with tiny protuberance 54C, can arrange rotatably respectively simultaneously.And, relative to the part suitable with the width central authorities of thin-paged paper products in stacked continuous form S2, left and right is each exists two protuberance 54C, between this protuberance 54C and backing roll 54B, clip stacked continuous form S2 transmit, thus, relative to stacked continuous form S2, the continuous direction along stacked continuous form S2 applies the contact embossing CE preventing the wire of splitting.
And above-mentioned winding unit 56 batches stacked continuous form S2, and with the face of the side opposite with applying this roller 54A contacting embossing CE for outer circumferential side.
By so giving contact embossing CE, prevent the splitting of the stacked continuous form S2 of stacked multiple one-time continuous paper (being S11, S12 in illustrated example).And preferably the forming position of contact embossing CE is positioned at the width both sides of thin-paged paper products, not easily splitting occurs to make the end of thin-paged paper products.
And the setting position of contact embossing unit 54 is not particularly limited, can select give the back segment of unit 53 at liquid and at the leading portion of rip cutting unit 55, also can select the back segment in calender unit 52 and give the leading portion of unit 53 at liquid.That is, as long as at the back segment of calender unit 52 and arbitrary position of the leading portion at rip cutting unit 55.
When utilizing contact embossing unit 54 to give contact embossing CE, also proposing after giving liquid to stacked continuous form S2, within 0.3 ~ 2.5 second, preferably 0.3 ~ 1.0 second, giving contact embossing CE.If lower than 0.3 second, body paper did not fully absorb liquid, therefore liquid is attached to backing roll 54B and roller 54A and makes paper break, or adheres to dirt at backing roll 54B and roller 54A.When more than 2.5 seconds, impart the stacked continuous form S2 full extension of liquid, be difficult in operation therefore produce fold, be difficult to obtain fluffy thin-paged paper products.In addition, if stacked continuous form S2 full extension, then the stretching, extension corresponding with dilatory variation can disappear, in addition because moisture absorption, water suction cause hot strength to reduce, therefore also there is the problem that paper easily ruptures, operability declines.
And, in this bonding process, in the present embodiment, the metal hard roller 54A that surface has tiny protuberance 54C is employed as roller, but if the bonding part that prevent the wire of splitting can be formed to stacked continuous form S2, such as also can not use roller 54A and be used in surface and there is the roller of tiny needle-like member as roller.
Further, as the unit for engaging, be not limited to above-mentioned example, also the device of the shapes such as the terminal end shape of protuberance is point-like, square, rectangle, circle, ellipse can be used as roller, the terminal end shape of protuberance also can be used to be that elongated wire, the very thin and device of the wire of oblique extension etc. are as roller.
In addition, the arrangement as protuberance can be considered equally spaced, but also can be zigzag or and unequal interval, and except protuberance is configured to 1 row give continuously contact embossing except, also can consider that configuration 2 arranges above multiple row protuberance.Further, also in order to closely give multiple row contact embossing, and multiple group being configured with protuberance can be arranged, giving multiple contact embossing group.And, as bonding process, except mechanically applying pressure as mentioned above and engaging, also can be engaged by other means such as ultrasonic waves.
(medicine liquid spray unit)
In the manufacture of the secondary whole roll for tissue paper product of present embodiment, liquid is imparted to stacked continuous form S2 while formation spraying.
Be not particularly limited as medicine liquid spray unit 53, but except utilize the situation of nozzle spray mode, can also utilize and rotate wetting spray pattern.
Wherein, as the form of the spraying nozzle in nozzle spray device, list the open circles conical nozzle annularly spraying spraying, the solid conical nozzle circularly spraying spraying, be the solid pyramid, Filled Rectangle nozzle, fan nozzle etc. that spray spraying foursquare, can suitably choice for use nozzle diameter, nozzle quantity, nozzle arrangement mode, nozzle arrangement quantity or spraying distance, atomisation pressure, spray angle and spray liquid concentration, viscosity etc., with relative paper width direction equably spray liquid spray.
In addition, in nozzle spray device, about the method for atomization, can choice for use fluid mode or these two kinds of modes of two fluid application.Wherein, fluid spray pattern is such mode: utilize forced air directly to apply pressure to the liquid of spraying and spray droplet from nozzle, or the Small Holes offered from the nozzle side near ejiction opening is to suction air in nozzle to spray droplet.In addition, two fluid spray modes list following manner: to be mixed with the liquid carrying out spraying by forced air in nozzle interior and carry out micronized internal mix type; At nozzle exterior forced air mixed with the liquid carrying out spraying and carry out micronized external mix type; And the droplet particle after micro-atomization is collided mutually thus makes the collision type etc. of the further homogenising of droplet particle and corpusculed.
On the other hand, about the wetting apparatus for coating of rotation, it delivers on the disk of High Rotation Speed by the liquid carrying out spraying, by the centrifugal force of disk by the device of micro-for liquid droplet, rotating wetting apparatus for coating carries out droplet particle diameter control by the rotating speed changing disk, carrying out the control of spraying liquid measure (imparting amount) by changing the amount of liquid delivered on disk.Rotate wetting apparatus for coating tool to have the following advantages: droplet can be suppressed to disperse for a small amount of spraying liquid measure, and pigment coating paper surface can be coated equably, and easily adjust spray velocity and fog particles diameter etc.
Be imparted to paper surface to be sprayed equably by liquid, the droplet particle diameter of the liquid preferably after atomization is small as far as possible.But if droplet is too tiny, then the resilience of the air after droplet can be sprayed spraying and washing away with the air etc. of paper surface, the situation that particularly gait of march of paper is fast is inferior, and droplet is difficult to be attached to paper surface.Therefore, in spraying imparting mode, except can suitable adjustable spraying distance, atomisation pressure, spray angle, outside spray velocity, when two fluid application, can the mixing ratio of suitably adjustable spraying liquid and forced air, and liquor strength and viscosity etc., be adjusted to the particle diameter of applicable giving condition, in addition, when large with the impact of companion's air when spraying, the setting for removing with companion's aspirator of air or barrier plate (cowling panel) etc. can also be added, and charged electrode (electrostatic spray mode) etc., this charged electrode adds high voltage at spray nozzle end makes droplet particle charged, thus improve droplet to the tack of pigment coating paper.
The not coated droplet particle swum as mist in paper surface can be sucked and reclaim again to spray.
Figure 12 illustrates the medicine liquid spray device 53A(53B of nozzle spray mode particularly two fluid application) example.This device 53A is such device: be formed with liquid path 53a at center, air flue 53b is formed around it, from liquid micro-atomization by means of the air of discharging from air flue 53b that the end of liquid path 53a sprays, this device 53A is the spray liquid spraying of conical shaped ground.Label 53c is outside containment vessel, and protection nozzle is not subject to the infringements such as paper powder, and can also by means of the air of the path 53d that purifies air to carry out the cleaning of nozzle when necessity.This medicine liquid spray device 53A(53B) one or more interval can be opened at paper width direction sky and arrange.
Due to the resilience of liquid of spraying as described above or the air etc. with paper surface, droplet is washed away, and the situation that particularly gait of march of paper is fast is inferior, and droplet is difficult to be attached to paper surface.Therefore, necessary words, as shown in figure 14, from the medicine liquid spray unit (spray nozzle) 53 of fluid mode or two fluid application around, utilize the air sprayed from the air supply road 53f being formed at housing 53e, surround the spray liquor from medicine liquid spray unit (spray nozzle), liquid can be imparted to paper S2 suitably thus.
Figure 15 shows the example rotating wetting apparatus for coating 53X.This is such device: in the covering receiving room 53p arranged as required, be provided with rotor 53o, gives liquid from the ejiction opening 53q of rotor 53o to paper S2 by spraying.
But, be configured in unit before and after medicine liquid spray unit 53 (in the example of Figure 11 for calender unit 52 with contact embossing unit 54) and preferably closely configure.Thus, when the thin-paged paper products of liquid is not given in manufacture, only stacked continuous form S2 is directly transported to back segment from the leading portion of medicine liquid spray unit 53, stacked continuous form S2 is passed through without medicine liquid spray unit 53 ground, therefore, it is possible to easily switch the presence or absence of liquid imparting.Such as, in the manufacturing equipment X1 of the secondary whole roll for tissue paper product shown in Figure 11, when the thin-paged paper products of liquid is not given in manufacture, as shown in double dot dash line in Figure 11, only stacked continuous form S2 is directly flowed to contact embossing unit 54 from calender unit 52, stacked continuous form S2 is circulated without medicine liquid spray unit 53 ground.
When liquid being imparted to the two sides of stacked continuous form S2, the total liquid imparting amount on two sides is 1.5 ~ 5.0g/m 2, be preferably 2.0 ~ 4.5g/m 2, be more preferably 2.5 ~ 4.0g/m 2.If more than 5.0g/m 2, then due to paper power reduces or elongation etc. and make paper break or utilize reel cylinder to batch time there is winding skew, and appear in quality aspect and also too can have sticky feeling.If be less than 1.5g/m 2, then experience less than smooth feeling or moist feeling etc. and the quality discrepancy not giving product.
And, under giving the discrepant situation of imparting measurer in face to two, carry out being saved in the time (more than 8 hours) till folding processing with stacked paper roll (プ ラ イ is former anti-) after giving from spraying, two imparting faces connect, thus both amount of liquid medicine can equalization gradually, and surface back side difference diminishes.
Only given by liquid when the one side of stacked continuous form S2, about the imparting face of liquid, the face (face of one-time continuous paper S11 side) be positioned at outside secondary roll R to stacked continuous form S2 carries out giving.If so, although then there is in goods surface back side difference, not easily produce winding skew.In this case, imparting amount be 1.5 ~ 5.0g/m 2, be preferably 2.0 ~ 4.5g/m 2, be more preferably 2.5 ~ 4.0g/m 2.
And propose: under the crepe ratio of each one-time continuous paper forming stacked continuous form S2 establishes discrepant situation, the one-time continuous paper side (in illustrated example be one-time continuous paper S11 side) high to crepe ratio gives more liquid.Such as, in the example shown in Figure 11 and Figure 20, among two medicine liquid spray unit 53, medicine liquid spray unit 53B one-time continuous paper S11 directly being given to liquid gives more liquid than another medicine liquid spray unit 53A.In this case, the ratio of the liquid imparting amount on two sides is 100:0 ~ 60:40, is preferably 75:25 ~ 60:40.
Figure 20 (A) is the sectional view (sectional view carrying out abreast cutting off with MD direction) being laminated for the stacked continuous form S2 of 2 layers before liquid imparting.When giving liquid to the two sides of the stacked continuous form S2 being laminated for 2 layers, be provided with difference in the amount of liquid medicine on two sides, in figure, many in the imparting of one-time continuous paper S11 side liquid.After liquid is given, before stacked continuous form S2 full extension, utilize contact embossing CE to make laminated integratedization, and cut into goods width (Figure 20 (B)) by rip cutting unit 55.Thereafter, utilize winding unit 56 to batch stacked continuous form S2, and for making medicinal liquid osmosis leave standstill.That medicine liquid spray unit 53 imparts liquid, that form stacked continuous form S2 one-time continuous paper S11, S12 is utilized mainly to extend in MD direction.Now, giving has the percentage elongation of the one-time continuous paper S11 of more multiple medicines liquid to be greater than another one-time continuous paper S12, but because one-time continuous paper S11, S12 interfix by means of contact embossing CE, thus produce fold (Figure 20 (C)) on the surface of extending more one-time continuous paper S11.If the crepe ratio carrying out stacked stacked continuous form S2 is also provided with difference, one-time continuous paper S11 uses the body paper that crepe ratio is high, then the percentage elongation of the percentage elongation of one-time continuous paper S11 and one-time continuous paper S12 can be made to produce more big-difference.
In the example in fig 1, after utilizing Yankee cylinder 115 pairs of body paper to carry out drying, utilize scraper 117 to be peeled off by Yankee cylinder 115, then form wrinkle by the difference of drying machine speed and coiling speed.This wrinkle adjusts shape by paper affixed on Yankee cylinder 115, but slightly fluctuates or fibrous raw material not equal distribution due to this affixed meeting, if thus observe with microscopic view, then wrinkle three-dimensional shape slightly has fluctuation.Crepe ratio is larger, then this fluctuation (ば ら つ I) is more remarkable.
Accompany with the fluctuation of this wrinkle, stretching, extension when imparting liquid also produces fluctuation, and it is formed with the form of three-dimensional fine ripple (ripple beats Chi).For this ripple, tensioned owing to acting on when paper roll dries (シ ー ズ ニ Application グ), thus this wrinkle not obvious, but post-equalization and apparition after processing is cut into goods.The imparting amount of liquid on paper is more, and wrinkle is larger, and the change of wrinkle shape, the ripple of paper are larger; Otherwise the imparting amount of liquid on paper is fewer, and wrinkle is less, the change of wrinkle shape, the ripple of paper are less.Therefore, being not only imparting amount, fluffy (high height) can also being made effect improved by changing crepe ratio.
And, about quality, when one-time continuous paper S11, the S12 different to crepe ratio carry out stacked form goods, if do not give liquid, then as the volume sense (sense of バ Le Network) different (Figure 21 (A)) on the tissue paper two sides of goods.But, although give more multiple medicines liquid by concavo-convex larger (crepe ratio is high) one-time continuous paper S11 of effects on surface, one-time continuous paper S11 can be made to extend with higher percentage elongation than one-time continuous paper S12, but owing to being fixed abreast (not shown) by contact embossing and MD direction, thus there is volume (high) increase of ripple, stacked paper in one-time continuous paper S11.(Figure 21 (B)).
When making liquid imparting amount there are differences, although worry that the tactile skinfeel on goods two sides, use sense can be different, but left standstill with the state of paper roll before being supplied to operation below (folding processing etc.) by making secondary roll R, the surface that different one-time continuous paper S11, S12 are measured in liquid imparting carries out keeping (medicinal liquid osmosis operation, Figure 22) with state respect to one another, thus the medicine liquid ingredient between continuous form little by little shifts (in figure grey arrow), and its difference reduces gradually in drying.And the hollow arrow in Figure 22 represents the infiltration direction of medicine liquid ingredient.
(liquid)
About the liquid given, from the viewpoint of carrying out High-speed machining, viscosity is 1 ~ 700mPas at 40 DEG C.Be more preferably 50 ~ 400mPas (40 DEG C).If be less than 1mPas, then on the rollers such as anilox roll, brush roller, gravure roll, liquid easily disperses; If otherwise be greater than 700mPas, be then difficult to control the imparting amount on each roller or continuous form.For composition, containing polyalcohol 70 ~ 90%, moisture 1 ~ 15%, functional medicines 0.01 ~ 22%.
Polyalcohol comprises: the polyalcohols such as glycerine, diglycerol, propane diols, 1,3-BDO, polyethylene glycol and derivative thereof; The carbohydrates such as D-sorbite, glucose, xylitol, maltose, maltitol, sweet mellow wine, trehalose.
As functional medicine, there are softening agent, surfactant, inorganic and organic particulate powder, oil components etc.Softening agent, surfactant have to be given flexibility to tissue paper (テ ィ シ ュ ー), makes ganoid effect, and surfactant is applicable to using anionic surfactant, cationic surface active agent and zwitterionic surfactant.Inorganic and organic fine particles powder makes surface in smooth tactile skinfeel.Oil components has the effect improving slickness, can use the higher alcohols such as atoleine, cetanol, stearyl alcohol, oleyl alcohol.
And, as functional medicine, can the NMF of more than a kind added in hydrophilic macromolecule gelling agent, collagen, Hydrolyzed Collagen, hydrolysis of keratin, hydrolyzed silk protein, hyaluronic acid or its salt, ceramide etc. helped, maintained the moisture retention of the polyalcohol medicament as spoke such as to combine arbitrarily.
In addition, as functional medicine, the deodorant such as the lubricant such as spices, various natural extracts (エ モ リ エ Application ト drug), vitamins, the emulsifying agent making gradation composition stable, the defoamer making imparting stable for suppressing the foaming of liquid, mould inhibitor, organic acid suitably can be coordinated.Further, the antioxidant such as vitamin C, vitamin E can be contained.
From making the viscosity of liquid, imparting amount stablizes aspect, among mentioned component, preferably with the polyalcohol such as glycerine, propane diols for principal component.
Temperature during liquid coating is 30 DEG C ~ 60 DEG C, be preferably 35 DEG C ~ 55 DEG C is preferred.
(one-time continuous paper)
The starting pulps of one-time continuous paper S11, S12 is not particularly limited, and can select suitable starting pulps according to the purposes of thin-paged paper products.As starting pulps, such as can from timber slurry, non-wood pulp material, synthetic paper-pulp, old paper paper pulp etc., more particularly, can from mechanical pulps (MP) such as ground wood pulp (GP), SGW (SGP), chip groundwood (RGP), adding pressure type ground wood pulp (PGW), preheating chip groundwood (TMP), CTMP (CTMP), bleached chemical thermomechanical pulps (BCTMP); The chemical pulps (CP) such as the sulfate pulps (KP) such as chemimechanical pulp (CGP), semi-chemical pulp (SCP), bleached hardwood sulfate method pulp (LBKP), coniferous tree bleached sulphate method wood pulp (NBKP), alkaline pulp (AP), sulfite pulp (SP), dissolving pulp (DP); With the synthetic paper-pulp that nylon, artificial silk, polyester, polyvinyl alcohol (PVA) etc. are raw material; Old paper paper pulp, the tail paper pulp (TP) such as de inked pulp (DIP), secondary stock (WP); With the rag pulp that cotton, flax, fiber crops, jute, abaca, ramie etc. are raw material; In the auxiliary pulps such as stem stalk paper pulp, bast paper pulp such as straw pulp, esparto pulp, begasse pulp, bamboo pulp, cancellatus paper pulp etc., one or several are suitably selected to use.
Particularly, starting pulps has preferably coordinated the paper pulp of NBKP and LBKP.Also old paper paper pulp can suitably be coordinated, but from the viewpoint of feel etc., also can only be made up of NBKP and LBKP, as the mixed proportion (JIS P8120) of this situation, be advisable with NBKP:LBKP=20:80 ~ 80:20, particularly preferably NBKP:LBKP=30:70 ~ 60:40.
The paper weight based on JIS P8124 of one-time continuous paper S11, S12 is 10 ~ 25g/m 2, be preferably 12 ~ 20g/m 2, be more preferably 13 ~ 16g/m 2.If paper weight is less than 10g/m 2, be then preferred in flexibility, but suitable intensity cannot be guaranteed.In addition, if paper weight is greater than 25g/m 2, then can be really up to the mark, touch skinfeel and be deteriorated.
Further, paper thick (utilizing the peacock thickness gauge (ピ ー コ ッ Network manufactured by the rugged making of tail) measures) with 1 layer count 80 ~ 250 μm, be preferably 100 ~ 200 μm, be more preferably 130 ~ 180 μm.
The crepe ratio of one-time continuous paper S11, S12 is preferably 10% ~ 30%, is more preferably 12% ~ 25%, is particularly preferably 13% ~ 20%.If crepe ratio is less than 10%, then adds and easily make paper break man-hour, the simultaneously elongation of thin-paged paper products is little, there is no toughness (コ シ).On the other hand, if crepe ratio is more than 30%, then add the tension force being difficult to man-hour control paper, easily cause paper break, and thin-paged paper products after fabrication can be wrinkling, aesthetic property is poor.
Here, crepe ratio represents with following formula.
Crepe ratio: { (peripheral speed of drying machine during paper processed)-(peripheral speed of reel) }/(peripheral speed of drying machine during paper processed) × 100
About the dry hot strength (hereafter also referred to as dry paper power) of the JIS P8113 defined of one-time continuous paper S11, S12, longitudinally counting 200 ~ 700cN/25mm with 2 layers, be preferably 250 ~ 600cN/25mm, be particularly preferably 300 ~ 600cN/25mm, in addition, laterally counting 100 ~ 300cN/25mm with 2 layers, be preferably 130 ~ 270cN/25mm, be particularly preferably 150 ~ 250cN/25mm.If the dry hot strength of body paper is too low, then easily there is the problem such as paper break or elongation when manufacturing and when using; If too high, then tactile skinfeel is in use coarse.
These paper power (paper strength) adjust by known method, such as, suitable combination can be carried out: inside add dry paper power reinforcing agent (stage before drying machine portion such as adds in pulp) to the method such as following; Reduce the freeness (such as reducing about 30 ~ 40ml) of paper pulp; Increase NBKP mixed proportion (such as reaching more than 50%) etc.
As the agent of dry paper power, starch, polyacrylamide, CMC (carboxymethyl cellulose) or sodium carboxymethylcellulose, calcium carboxymethylcellulose, carboxymethyl cellulose zinc etc. as its salt can be used.As the agent of moistening paper power, polyamide polyamine epichlorohydrin resin, carbamide resin, acid colloids melmac, heat cross-linking can be used to give PAM etc.When interior add moistening paper power agent, its addition can be the degree of 5 ~ 20kg/t with mass ratio range relative to pulp.Further, when interior add dry paper power agent, its addition is with the degree that relative to the mass ratio range of pulp can be 0.5 ~ 1.0kg/t.
Next, the manufacturing equipment of secondary whole roll for tissue paper product and other modes of manufacture method are described.
(manufacturing equipment of the second secondary whole roll for tissue paper product and manufacture method)
Such as shown in figure 16, the tension control units 57 of the tension force controlling stacked continuous form S2 can also be set between medicine liquid spray unit 53 and contact embossing unit 54.This tension control units 57 is made up of the roller of drum, and can coordinate the degree of flexibility of stacked continuous form S2 and move up and down.
In addition, when mode as shown in figure 16 arranges tension control units 57 like that, the backend configuration calender unit 52 of leading portion at medicine liquid spray unit 53 and tension control units 57 is also proposed.In this case, calender unit 52 with regard to being configured in tension control units 52 back segment also proposes: when liquid is given, stack 52A is left from backing roll 52B, leave distance for the thick above distance of the paper of stacked continuous form S2, to stacked continuous form S2 not smoothingization to process and former state is passed through.
(manufacturing equipment of the 3rd secondary whole roll for tissue paper product and manufacture method)
As shown in figure 17, contact embossing unit 54 can also be arranged between calender unit 52 and medicine liquid spray unit 53.Utilize the manufacture method of the secondary whole roll for tissue paper product of the manufacturing equipment X3 of this secondary whole roll for tissue paper product as described below.
As shown in figure 17, in the manufacture method of the secondary whole roll for tissue paper product of the manner, utilize lamination unit 51 to carry out stacked by the one-time continuous paper extracted out from a multiple paper roll (being S11, S12 in illustrated example) along its continuous direction, make stacked continuous form S2 (lamination process); Utilize a pair calender unit 52 to this stacked continuous form S2 smoothingization process (smoothing operation); The stacked continuous form S2 after contact embossing unit 54 pairs of smoothing techniques is utilized to give contact embossing (contact embossed cotton); A pair medicine liquid spray unit 53 is utilized to give liquid (liquid imparting operation) to the stacked continuous form S2 imparting contact embossing; Utilize rip cutting unit 55 to carry out rip cutting to stacked continuous form S2, and be cut into goods width or its many times of width (rip cutting operation) of thin-paged paper products; Next, utilize winding unit 56 coaxially to batch the stacked continuous form S2 through the rip cutting of rip cutting operation, form the goods width of thin-paged paper products or multiple secondary roll R of its many times of width.
And, when utilizing the manufacturing equipment X3 of secondary whole roll for tissue paper product manufacture not give the thin-paged paper products of liquid, in fig. 17 as shown in double dot dash line, stacked continuous form S2 is delivered directly to rip cutting unit 55 from contact embossing unit 54, makes stacked continuous form S2 carry out circulating without medicine liquid spray unit 53 ground.
(manufacturing equipment of the 4th secondary whole roll for tissue paper product and manufacture method)
As shown in figure 18, give operation 53 about liquid, can also be: contact embossing unit 54 is arranged between lamination unit 51 and calender unit 52, calender unit 52 is located between medicine liquid spray unit 53 and contact embossing unit 54 as one section.Utilize the manufacture method of the secondary whole roll for tissue paper product of the manufacturing equipment X4 of this secondary whole roll for tissue paper product as described below.
As shown in figure 18, in the manufacture method of the secondary whole roll for tissue paper product of the manner, utilize lamination unit 51 to carry out stacked by the one-time continuous paper extracted out from a multiple paper roll (being S11, S12 in illustrated example) along its continuous direction, make stacked continuous form S2 (lamination process); The a pair medicine liquid spray unit 53 utilizing above-below direction to be set up in parallel for this stacked continuous form S2 gives liquid (liquid imparting operation); Utilize a pair calender unit 52 smoothingization process (smoothing operation); The stacked continuous form S2 after contact embossing unit 54 pairs of smoothing techniques is utilized to give contact embossing (contact embossed cotton); Utilize rip cutting unit 55 to carry out rip cutting to stacked continuous form S2, and be cut into goods width or its many times of width (rip cutting operation) of thin-paged paper products; Next, utilize winding unit 56 coaxially to batch the stacked continuous form S2 through the rip cutting of rip cutting operation, form the goods width of thin-paged paper products or multiple secondary roll R of its many times of width.
And, when utilizing the manufacturing equipment X4 of secondary whole roll for tissue paper product manufacture not give the thin-paged paper products of liquid, in figure 18 as shown in double dot dash line, stacked continuous form S2 is transported to contact embossing unit 54 from calender unit 52, makes stacked continuous form S2 carry out circulating without medicine liquid spray unit 53 ground.
(manufacturing equipment of the 5th secondary whole roll for tissue paper product and manufacture method)
As shown in figure 19, a pair calender unit 52 can also be configured along the vertical direction, and a pair medicine liquid spray unit 53 is configured along the vertical direction.Utilize the manufacture method of the secondary whole roll for tissue paper product of the manufacturing equipment X4 of this secondary whole roll for tissue paper product as described below.
As shown in figure 19, in the manufacture method of the secondary whole roll for tissue paper product of the manner, utilize lamination unit 51 to carry out stacked by the one-time continuous paper extracted out from a multiple paper roll (being S11, S12 in illustrated example) along its continuous direction, make stacked continuous form S2 (lamination process); Utilize a pair calender unit 52 to this stacked continuous form S2 smoothingization process (smoothing operation); A pair medicine liquid spray unit 53 is utilized to give liquid (liquid imparting operation) to stacked continuous form S2; Contact embossing unit 54 is utilized to give contact embossing (contact embossed cotton) to stacked continuous form S2; Utilize rip cutting unit 55 to carry out rip cutting to stacked continuous form S2, and be cut into goods width or its many times of width (rip cutting operation) of thin-paged paper products; Next, utilize winding unit 56 coaxially to batch the stacked continuous form S2 through the rip cutting of rip cutting operation, form the goods width of thin-paged paper products or multiple secondary roll R of its many times of width.
And, when utilizing the manufacturing equipment X5 of secondary whole roll for tissue paper product manufacture not give the thin-paged paper products of liquid, in Figure 19 as shown in double dot dash line, stacked continuous form S2 is delivered directly to contact embossing unit 54 from calender unit 52, stacked continuous form S2 is circulated without medicine liquid spray unit 53 ground.
Embodiment
, utilize the secondary paper roll produced with the manufacture method of the secondary whole roll for tissue paper product X1 shown in Figure 11 below, manufacture thin-paged paper products (embodiment) by folding machine in the middle of above-mentioned multimachine A seating, the reference example of more soft impact transfer printing mode and comparative example.
< body paper >
In embodiment 1 ~ 6, in the paper pulp of formation body paper, NBKP is 30%, LBKP is 70%.In addition, crepe ratio is used to be the paper pulp of 19%.About embodiment 1 ~ 6, the liquid that composition is identical with comparative example 2 being modulated into viscosity is 110mPas (40 DEG C).
Embodiment 1 ~ 3 make use of the spray discharge pattern that the rotation shown in Figure 15 soaks mode, and embodiment 4 ~ 6 make use of the spray discharge pattern of the nozzle mode shown in Figure 12.
Comparative example in table 2 is all the commodity that market is sold, and comparative example 1 is the general tissue paper of the non-moisturizing system that applicant commercially sells, comparative example 2 ~ and be moisturizing system cosmetic water type tissue paper.Comparative example 2 is cosmetic water type tissue papers that applicant commercially sells, and comparative example 3 and 4 is commodity that other companies commercially sell, and content is failed to understand.
Table 1 and each parameter shown in table 2 as follows.
Every square of rice paper heavy (paper weight): with JIS P8124 (1998) for benchmark measures.When 2 layers of thin-paged paper products, record on average every square of rice paper weight of the paper of 2 layers.
Paper is thick: at JIS P8111(1998) condition under, utilize disc type thickness gauge (thickness tester) " PEACOCK G type " (the rugged making of tail manufactured) to measure.Specifically, being put into by plunger do not have dirt and dust etc. between confirmation plunger and mensuration platform after measures on platform, the memory of described disc type thickness gauge is moved and zero adjustment, sample is placed on testing stand by following liftout plunger, plunger is slowly declined and reads reading (gauge) now.Now, only plunger is loaded.The terminal of plunger is metal and the diameter of circular flat is 10mm, and this plane is vertical with paper plane to offset, this paper thick measure time load be about 70gf.And paper is thick is carry out the mean value that 10 times measure gained.
Extrudate density: the density of goods is under JIS P8111 condition, the value of paper thick (D) gained of the tissue paper (2 layers) that the value (C) the thin-paged paper products every square rice paper after damping being weighed 2 times obtains divided by utilization " PEACOCK G type ", unit is g/cm 3, after decimal point, represent 3.
Dry hot strength: with JIS P8113(1998) stretching test method be that benchmark measures.
Moistening hot strength: with JIS P8135(1998) for benchmark measure.
Percentage elongation: be utilize meter Nai Baiya (ミ ネ ベ ア) Co., Ltd. to manufacture " universal tensile compression test TG-200N " to measure.
Pliability: based on the hand being benchmark with JIS L1096E method touch analyzer (Ha Application De Le オ メ mono-タ) method measure.Wherein, be 100mm × 100mm size at test film, gap is implement under the condition of 5mm.Respectively measure 5 times at 1 layer of vertical and horizontal, the mean value of total 10 times to be got after decimal point 1, represent in units of cN/100mm.
Confficient of static friction: with JIS P8147 (1998) for benchmark profit measures in the following method.The tissue paper shelling into 1 layer is posted on acrylic board using paper surface as the mode in outside.2 layers of tissue paper are directly wound up on 100g weight, and are positioned on the tissue paper on acrylic board.Acrylic board is tilted, measures the angle of weight landing.Goniometry respectively implements 4 times at vertical and horizontal, implements 8 times altogether, calculates average angle, using its tangent value as confficient of static friction.
MMD: the average deviation MMD being confficient of static friction.MMD is one of index of smoothness, and numerical value is more little more smooth, and the larger smoothness of numerical value is poorer.And, as the assay method of MMD value, as shown in Figure 23 (a), make the contact surface of friction member 212 using the contact of 25g pressure be endowed along predetermined direction (oblique below, the right side in Figure 23 (a)) 20g/cm tension force as while the surface contact of tissue paper 211 measuring sample, 2cm is moved with speed 0.1cm/s in the direction roughly the same with the direction that tension force is endowed, edge.Now, utilize frictionmeter (friction sense テ ス タ ー) KES-SE(to add rattan Tyke (カ ト mono-テ Star Network) Co., Ltd. and manufacture) measure coefficient of friction, and using this coefficient of friction divided by the value of frictional distance (displacement=2cm) gained as MMD value.And friction member 212 being formed by making 20 diameters be that the piano wire P of 0.5mm is adjacent, having and being formed as the contact surface that length and width are all 10mm.Being formed with end by 20 piano wire P(radius of curvature at contact surface is 0.25mm) the unit bellying that formed.And Figure 23 (a) schematically illustrates the enlarged drawing that friction member 212, Figure 23 (b) represents the part that the single dotted broken line in Figure 23 (a) surrounds.
Moisture rate: with JIS P8111 (1998) for benchmark measures.
Liquid amount: liquid amount represents the amount relative to the medicine liquid ingredient of the drying regime (adiabatic drying) contained by tissue paper unit are under the standard state of JIS P8111, specifically, the oil content of the composition beyond the moisture in the liquid given is represented.The unit are of this tissue paper so-called is the area from the paper stacked with certain viewing point the line of plane orthogonal, does not mean that stacked each paper and the total area at the Qi Biao back side.
Liquid containing ratio: liquid containing ratio be under JIS P8111 condition using the thin-paged paper products of the predetermined quality of damping as denominator (A) (g), using the quality (B) (g) beyond the unwatering in liquid contained in the thin-paged paper products of predetermined quality as molecule, represent (B) ratio divided by (A) with (%).(liquid containing ratio %)=(B) ÷ (A) × 100(%)
Official feels evaluation: about embodiment 1 ~ 6, reference example 1,3 and comparative example 1,2, with 87 consumers for object, has carried out feeling evaluation based on the official of following benchmark to pliability, smoothness, thickness sense, moist feeling.In addition, for comparative example 3,4, carried out official with different time and other 12 artificial objects on date and felt evaluation.
And, about metewand, be that the achievement of general tissue paper (comparative example 1) is all as " 3 " using the non-moisturizing not carrying out liquid imparting, the conduct " 5 " of " very good " will be felt, the conduct " 4 " of " good " will be felt, the conduct " 3 " of " being equal to benchmark " will be felt, the conduct " 2 " of " poor " will be felt, the conduct " 1 " of " non-constant " will be felt.In addition, about liquid give tissue paper, also evaluate having no sticky feeling, metewand for by " sticky feeling is few " as "○", " obviously will feel sticky feeling " as "×".
Table 1
[table 2]
From the result of table 1 and table 2, utilize the secondary paper roll manufactured with the manufacture method of secondary whole roll for tissue paper product of the present invention, by the thin-paged paper products containing liquid that folding machine in the middle of above-mentioned multimachine A seating manufactures, the thick ratio relative to every square of rice paper heavy (2P:2 layer) of paper is very high, and official to feel in evaluation particularly " thickness sense " and obtains high praise.
In addition, although not do not record in table, in embodiment 1 ~ embodiment 5 in any one, on-the-spot in manufacture, compare with the soft version mode of reference example 1 ~ 3 and the intaglio plate transfer modes of comparative example 2, known paper powder seldom produces, and can carry out stable manufacture.
From illustrating before, this description and accompanying drawing also disclose following invention.
[invention A]
A manufacturing installation for secondary whole roll for tissue paper product, it is manufacture the manufacturing installation of multiple secondary paper rolls of thin-paged paper products continuously by once paper roll, and the feature of this manufacturing installation is, it has:
Lamination unit, it, for carrying out stacked by the one-time continuous paper extracted out from a multiple paper roll along its continuous direction, makes stacked continuous form;
Medicine liquid spray unit, it is for being given to stacked continuous form by liquid with atomize;
Rip cutting unit, it is for carrying out rip cutting to stacked continuous form, and is cut into goods width or its many times of width of thin-paged paper products; And
Winding unit, it coaxially batches each stacked continuous form after rip cutting, forms the goods width of thin-paged paper products or multiple secondary paper rolls of its many times of width.
[invention B]
In the manufacturing installation of the secondary whole roll for tissue paper product described in invention A, described medicine liquid spray unit is after described lamination unit and carried out action before described rip cutting unit.
[invention C]
In the manufacturing installation of the secondary whole roll for tissue paper product described in invention B, there is between described lamination unit and described medicine liquid spray unit the smoothing operation utilizing calender smoothingization to process.
[invention D]
In the manufacturing installation of the secondary whole roll for tissue paper product described in invention B, between described medicine liquid spray operation and described rip cutting operation, have contact embossing unit, this contact embossing unit is used for the contact embossing applying to prevent the wire of splitting to described stacked continuous form.
[invention E]
In the manufacturing installation of the secondary whole roll for tissue paper product described in invention A, the imparting of described liquid utilizes nozzle spray mode to carry out.
[invention F]
In the manufacturing installation of secondary whole roll for tissue paper product according to claim 1, the imparting of described liquid utilizes the wetting spray pattern of rotation to carry out.
[invention G]
A kind of manufacturing installation of thin-paged paper products, it is characterized in that, prepare multiplely to utilize above-mentioned any one to invent the described secondary paper roll obtained, they are configured along production line direction in folding machine in the middle of multimachine A seating, the multiple secondary continuous forms extracted out from each secondary paper roll are carried along its continuous direction, and carry out stacking in its course of conveying while folding, cut off the stacked paper of predetermined number with predetermined length afterwards and form tissue paper pile, this tissue paper pile is accommodated in receiver.
Industrial applicibility
The present invention can be applicable to the manufacture of the secondary whole roll for tissue paper product used in folding machine in the middle of multimachine A seating.
Label declaration
51 ... lamination process (lamination unit)
52 ... calender unit (smoothing operation)
53 ... medicine liquid spray unit (liquid imparting operation)
54 ... contact embossing unit (contact embossed cotton)
55 ... rip cutting unit (rip cutting operation)
56 ... winding unit (coiling process)
S11, S12 ... one-time continuous paper
S2 ... stacked continuous form
JR ... a paper roll
R ... secondary paper roll

Claims (8)

1. a manufacture method for secondary whole roll for tissue paper product, it is manufacture the manufacture method of multiple secondary paper rolls of thin-paged paper products continuously by once paper roll, and the feature of this manufacture method is, it has following operation:
Lamination process, in this operation, carries out stacked by the one-time continuous paper extracted out from a multiple paper roll along its continuous direction, makes stacked continuous form;
Medicine liquid spray operation, in this operation, is given to stacked continuous form by liquid with atomize;
Rip cutting operation, in this operation, carries out rip cutting to stacked continuous form, becomes goods width or its many times of width of thin-paged paper products; And
Coiling process, in this operation, coaxially batches each stacked continuous form after rip cutting, forms the goods width of thin-paged paper products or multiple secondary paper rolls of its many times of width,
Described medicine liquid spray operation is after described lamination process and carried out before described rip cutting operation,
Between described medicine liquid spray operation and described rip cutting operation, there is contact embossed cotton, in this contact embossed cotton, the contact embossing preventing the wire of splitting applied to described stacked continuous form,
And, when the thin-paged paper products of liquid is not given in manufacture, stacked continuous form is directly transported to back segment from the leading portion of medicine liquid spray operation, makes stacked continuous form without medicine liquid spray operation.
2. the manufacture method of secondary whole roll for tissue paper product as claimed in claim 1, wherein,
There is the smoothing operation utilizing calender smoothingization to process between described lamination process and described medicine liquid spray operation.
3. the manufacture method of secondary whole roll for tissue paper product as claimed in claim 1, wherein,
The imparting of described liquid is undertaken by nozzle spray mode.
4. the manufacture method of secondary whole roll for tissue paper product as claimed in claim 1, wherein,
The imparting of described liquid is undertaken by rotating wetting spray pattern.
5. a manufacture method for thin-paged paper products, is characterized in that,
Prepare multiple secondary paper roll obtained by the manufacture method of secondary whole roll for tissue paper product, the manufacture method of described secondary whole roll for tissue paper product has following operation:
Lamination process, in this operation, carries out stacked by the one-time continuous paper extracted out from a multiple paper roll along its continuous direction, makes stacked continuous form;
Medicine liquid spray operation, in this operation, is given to stacked continuous form by toner liquid with atomize;
Rip cutting operation, in this operation, carries out rip cutting to stacked continuous form, becomes goods width or its many times of width of thin-paged paper products; And
Coiling process, in this operation, coaxially batches each stacked continuous form after rip cutting, forms the goods width of thin-paged paper products or multiple secondary paper rolls of its many times of width,
Described medicine liquid spray operation is after described lamination process and carried out before described rip cutting operation,
Between described medicine liquid spray operation and described rip cutting operation, there is contact embossed cotton, in this contact embossed cotton, the contact embossing preventing the wire of splitting applied to described stacked continuous form,
These secondary paper rolls are configured along production line direction in folding machine in the middle of multimachine A seating, the multiple secondary continuous forms extracted out from each secondary paper roll are carried along its continuous direction, and carry out stacking in its course of conveying while folding, cut off the stacked paper of predetermined number with predetermined length afterwards and form tissue paper pile, this tissue paper pile is accommodated in receiver.
6. the manufacture method of thin-paged paper products as claimed in claim 5, wherein,
There is the smoothing operation utilizing calender smoothingization to process between described lamination process and described medicine liquid spray operation.
7. the manufacture method of thin-paged paper products as claimed in claim 5, wherein,
The imparting of described liquid is undertaken by nozzle spray mode.
8. the manufacture method of thin-paged paper products as claimed in claim 5, wherein,
The imparting of described liquid is undertaken by rotating wetting spray pattern.
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