CN105813609A

CN105813609A - Device for manufacturing absorption bodies

Info

Publication number: CN105813609A
Application number: CN201480067570.0A
Authority: CN
Inventors: L·穆罕默德诺萨利赫乌丁; 茂木知之; 针生涉
Original assignee: Kao Corp
Current assignee: Kao Corp
Priority date: 2013-12-13
Filing date: 2014-11-19
Publication date: 2016-07-27
Anticipated expiration: 2034-11-19
Also published as: WO2015087674A1; JP5953296B2; CN105813609B; JP2015112393A

Abstract

This device (1) for manufacturing absorption bodies (3) has: a rotary drum (2) having in the outer peripheral surface (21) thereof accumulation recesses (22) for accumulating a raw material for the absorption bodies (3), the raw material including a fiber material (31) and absorptive particles (32); and a duct (4) for supplying in a scattered manner the raw material for the absorption bodies (3) toward the outer periphery (21) of the rotary drum (2). The duct (4) is formed in such a manner that the cross-sectional area of a flow passage in a spray region for spraying the absorptive particles (32) into the duct (4) is less than the cross-sectional area of a flow passage located at the upstream-most part of the duct (4) and is also less than the cross-sectional area of a flow passage located at the downstream-most part of the duct (4).

Description

The manufacture device of absorber

Technical field

The present invention relates to the manufacture device of absorber.

Background technology

The absorber that the absorbent commodities such as disposable diaper, sanitary napkin, incontinence protection use manufactures as follows, that is: along with the raw material of the absorber comprising paper pulp fiber and absorbable polymer is attracted to be deposited in the recess of the outer peripheral face being formed at rotating cylinder by air stream, be piled up in this recess long-pending slim then it is coated with the sheet material of water penetration.Air stream makes the polymer from diffusion tube supply and paper pulp mixing, makes the paper pulp being formed as cotton shape with absorbable polymer in lateral transfer air stream.But, the Heavy Weight of the weight ratio paper pulp fiber of absorbable polymer is a lot, and on average less in the paper pulp amount of diffusion tube center circulation, Combination is poor, and therefore the dispersion of absorbable polymer is uneven.

Recording the manufacture device of a kind of absorber in patent documentation 1, in the way of the recess to cross the outer peripheral face to rotating cylinder spreads the paper pulp fiber distribution path of paper pulp fiber, the polymer being configured with a plurality of input absorbable polymer puts into parts.The absorber manufacturing device manufacture described in patent documentation 1, owing to being distributed in partly in the raw material of absorber by absorbable polymer, therefore not easily causes gel blockage, and improves the absorbent properties of absorber.

Prior art literature

Patent documentation

Patent documentation 1: Japanese Unexamined Patent Publication 2009-219710 publication

Summary of the invention

The present invention provides the manufacture device of a kind of absorber, including: rotating cylinder, it has the accumulation recess built up containing fibrous material and the raw material of the absorber of absorbent particles on outer peripheral face；And passage, the raw material of described absorber is supplied to the outer peripheral face of this rotating cylinder by it with the state of dispersing.In described passage, the area of section spreading the stream in the dispersion zone of described absorbent particles in this passage is formed less with the area of section of the stream being positioned at most downstream than the area of section of the stream of the most upstream being positioned at this passage.Described passage has the flow direction correcting described fibrous material and the mechanism making this fibrous material concentrate on this dispersion zone at the upstream side of described dispersion zone.

Accompanying drawing explanation

Fig. 1 indicates that the approximate three-dimensional map of first embodiment manufacturing device of absorber of the present invention.

Fig. 2 (a) observes the summary side elevation manufacturing device shown in Fig. 1 from the side, Fig. 2 (b) observes the skeleton diagram manufacturing device shown in Fig. 1 from end face, and Fig. 2 (c) indicates that the area of section of the stream in the dispersion zone in passage and the chart of the relation of position.

Fig. 3 is the sectional view manufacturing the absorber that device manufactures as shown in Figure 1.

Fig. 4 (a) is the summary side elevation manufacturing device observing first embodiment of the invention from the side, and Fig. 4 (b) is the skeleton diagram manufacturing device observing the first embodiment from end face.

Fig. 5 is the sectional view manufacturing the absorber that device manufactures as shown in Figure 4.

Fig. 6 (a) is the summary side elevation manufacturing device observing second embodiment of the invention from the side, and Fig. 6 (b) is the skeleton diagram manufacturing device observing the second embodiment from end face.

Fig. 7 (a) is the summary side elevation manufacturing device observing third embodiment of the invention from the side, and Fig. 7 (b) is the skeleton diagram manufacturing device observing the 3rd embodiment from end face.

Fig. 8 is the summary side elevation manufacturing device observing four embodiment of the invention from the side.

Fig. 9 is the summary side elevation manufacturing device observing fifth embodiment of the invention from the side.

Detailed description of the invention

Manufacturing in the absorber that device manufactures described in patent documentation 1, it may be said that be distributed in partly in the raw material of absorber by absorbable polymer, macroscopically, becomes the form that the part of absorbable polymer accumulation is scattered in the raw material of absorber.Therefore, in the part that each absorbable polymer is built up, or produce gel blockage, it is impossible to give full play to the absorbent properties of absorber.

The present invention relates to the manufacture device of a kind of absorber, it is possible to release above-mentioned prior art and have the disadvantage that.

Hereinafter, for the present invention, preferred embodiment and will make reference to explanation based on it.

Fig. 1 represents the outline of the long-pending fine device 1A manufacturing preferred first embodiment of device of the absorber of the present invention.The long-pending fine device 1A of the first embodiment includes: rotating cylinder 2, it has the accumulation recess 22 built up containing fibrous material 31 and the raw material of the absorber of absorbent particles 32 at outer peripheral face 21；With passage 4, the raw material of absorber is supplied to the outer peripheral face 21 of this rotating cylinder 2 by it with the state of dispersing.Specifically, long-pending fine device 1A includes: the rotating cylinder 2 being driven in rotation in arrow R direction；The passage 4 of the raw material of absorber is supplied to the outer peripheral face 21 of rotating cylinder 2；Pressing belt 5, adjacent and along rotating cylinder 2 outer peripheral face 21 configures with the downstream of passage 4 for it, and the long-pending fine thing 33 of the raw material of the absorber in accumulation recess 22 is built up in pressing；It is configured at the suction conveyor 6 of the lower section of rotating cylinder 2；The fibrous material supply unit 7 of the fibrous material 31 of the raw material as absorber is supplied to passage 4.It addition, configure, at passage 4, the polymer dispersed pipe 8 supplying absorbent particles 32 in directed walk 4.

As it is shown in figure 1, rotating cylinder 2 is formed as cylindric, accepting the power from motor prime movers (not shown), the parts forming its outer peripheral face 21 rotate in arrow R direction around trunnion axis.The cylinder main body 23 of the inner side being positioned at the parts forming outer peripheral face 21 is fixed and can not be rotated.As in figure 2 it is shown, rotating cylinder 2 has at its outer peripheral face 21, and the raw material of absorber carries out long-pending fine accumulation recess 22.Accumulation recess 22 is configured with multiple along the circumference (2X direction) of rotating cylinder 2 at a prescribed interval.In Fig. 1,2X direction is the circumference of rotating cylinder 2, and 2Y direction is the width (direction parallel with the rotating shaft of rotating cylinder 2) of rotating cylinder 2.

As in figure 2 it is shown, rotating cylinder 2 has separate multiple spaces in inside, at long-pending fine device 1A, there are 5 space A～E.Space A～E is separated by the plate arranged to outer peripheral face 21 side from the rotation shaft side of rotating cylinder 2 each other.It is connected to extraction fan (not shown) at rotating cylinder 2, by driving this extraction fan, it is possible to the pressure of the space the being spaced A～E in adjustment rotating cylinder 2, in long-pending fine device 1A, space A and B is maintained into negative pressure.Rotating cylinder 2 has governor motion, and this governor motion regulates and forms the captivation in upstream side region corresponding to region (region corresponding with space A) with the filter course being made up of fibrous material 31 and form the captivation in downstream side region corresponding to region (region corresponding with space B) with the mixed layer being made up of fibrous material 31 and absorbent particles 32.Therefore, it is possible to make the captivation in upstream side region (region corresponding with space A) stronger or weak than the captivation in downstream side region (region corresponding with space B).

Additionally, space C, D of rotating cylinder 2 are normally set to the negative pressure more weak than space B or zero pressure (atmospheric pressure), space E is set to atmospheric pressure (zero pressure) or malleation.From the view point of the transporting of this long-pending fine thing, until the long-pending fine thing in accumulation recess 22 is transferred on suction conveyor 6, preferably making space C, D is weak negative pressure, and make this long-pending fine thing attracting holding in accumulation recess 22, if but transporting does not have special problem, when then considering transferability, it is preferable that space C～E is zero pressure.

As it is shown in figure 1, the bottom surface 22a of each accumulation recess 22 is made up of porous members.Accumulation recess 22 is by maintaining into the period on space A and the B of negative pressure, and the pore of the porous members of the bottom surface 22a of accumulation recess 22 plays a role as suction hole.As porous members, it is possible to use the parts being currently used for this long-pending fine device without particular limitation, for instance, it is possible to use metal or resinous web plate or on metal or resinous plate, be formed with the parts etc. of multiple pore by etching or punching.

The raw material of absorber 3 is without the various raw materials using to restriction the absorber being currently used for sanitary napkin or the absorbent commodity such as sanitary pad, disposable diaper especially.Raw material and fibrous material 31 as absorber, it is preferred to paper pulp fiber, staple fibre, the chopped fiber of cellulosic fibre of cotton fiber or the synthetic fibers such as polyethylene, polypropylene, polyethylene terephthalate have been carried out the chopped fiber etc. of hydrophilicity-imparting treatment.These fibers can also be used alone one, it is also possible to is used in combination of two or more.Fibrous material 31 is preferably the material containing paper pulp fiber, and the ratio of the paper pulp fiber in fibrous material 31 is preferably 1～100 mass %, more preferably 100 mass %.Raw material and absorbent particles 32 as absorber, for instance can enumerate: starch based, cellulose family, synthetic polymer, superabsorbent polymer class granule.As superabsorbent polymer, for instance can use: Starch with Acrylic Acid (salt) graft copolymer, the cross-linking agent of saponified, sodium carboxymethyl cellulose of starch acrylonitrile copolymer, the polymer etc. that is made up of acrylic acid (salt) polymer.As the raw material of absorber, as required, it is also possible to use deodorizer or antibacterial etc. together with fibrous material 31 and absorbent particles 32.

Passage 4 extends to rotating cylinder 2 from fibrous material supply unit 7 described later, and the opening in the downstream of passage 4 covers the outer peripheral face 21 of space A and the B being positioned at the rotating cylinder 2 maintaining into negative pressure.As it is shown in figure 1, passage 4 has the top board 41 of formation end face, forms the base plate 42 of bottom surface and form the two side 43,44 of two sides.By the work of the extraction fan (not shown) of rotating cylinder 2, in the space surrounded by the top board 41 of passage 4, base plate 42 and two side 43,44, produce the outer peripheral face 21 to rotating cylinder 2 and circulate the air stream of raw material of absorber.

In long-pending fine device 1A, the top board 41 of passage 4 is as shown in Fig. 2 (a), Fig. 2 (b), and upstream side top plate portion 411 and the downstream top plate portion 412 being positioned at downstream by being positioned at upstream side are constituted.Too, upstream side base plate 421 and the downstream base plate 422 being positioned at downstream by being positioned at upstream side are constituted the base plate 42 of passage 4.The width of upstream side top plate portion 411 and upstream side base plate 421 goes to become narrow gradually from upstream side downstream side.The width of downstream top plate portion 412 and downstream base plate 422 goes as necessarily from upstream side downstream side.The width of downstream top plate portion 412 and downstream base plate 422 and the width at the position swimming side most on the lower being positioned at upstream side top plate portion 411 and upstream side base plate 421 are identical width.

The top board 41 of passage 4 and the interval of base plate 42 are such as shown in Fig. 2 (a), Fig. 2 (b), interval between upstream side top plate portion 411 and upstream side base plate 421 is configured to necessarily, goes to broaden gradually from upstream side top plate portion 411 and upstream side base plate 421 to the outer peripheral face 21 of rotating cylinder 2 in the interval of downstream top plate portion 412 and downstream base plate 422.The two side 43,44 of passage 4 is along the both side edges configuration of the both side edges of the top board 41 being made up of the upstream side top plate portion 411 constituted in the above described manner and downstream top plate portion 412 and the base plate 42 that is made up of upstream side base plate 421 and downstream base plate 422.

As shown in Figure 1, Figure 2 shown in (a), the top board 41 at passage 4 configures the polymer dispersed pipe 8 supplying absorbent particles 32 in directed walk 4.Specifically, polymer dispersed pipe 8 is configured at the end in the downstream of the upstream side top plate portion 411 constituting top board 41.And, polymer dispersed pipe 8 configures be positioned at the end of the upstream side of dividing plate 45 described later by its lower end in the way of.

Having the passage 4 of the top board 41 of above-mentioned shape, base plate 42 and two side 43,44 as shown in Fig. 2 (c), the area of section spreading the stream in the dispersion zone of absorbent particles 32 in this passage 4 is formed less than the area of section of the area of section of the stream of the most upstream being positioned at this passage 4 and the stream of the most downstream being positioned at this passage 4.At this, " dispersion zone " refer to from be configured with the position of the polymer dispersed pipe 8 spreading absorbent particles 32 to the upstream side or downstream go to have the region of scope of certain degree.Specifically, passage 4 is in long-pending fine device 1A, as shown in Fig. 2 (a)～Fig. 2 (c), spread the area of section of the stream surrounded by top board 41, base plate 42 and two side 43,44 in the dispersion zone of absorbent particles 32 with polymer dispersed pipe 8 and formed less than the area of section of the stream surrounded by the top board 41 of upstream end thereof of the passage 4 being located most closely to fibrous material supply unit 7, base plate 42 and two side 43,44 and the area of section of stream surrounded by the top board 41 of downstream end of the passage 4 being located most closely to rotating cylinder 2, base plate 42 and two side 43,44.More specifically, in the passage 4 of long-pending fine device 1A, the width of the upstream side top plate portion 411 of top board 41 and the upstream side base plate 421 of base plate 42 goes to become narrow gradually from upstream side downstream side, therefore, in upstream side top plate portion 411 and upstream side base plate 421, top board 41, base plate 42 and two side 43,44 area of section of the stream surrounded goes to taper into from upstream side downstream side.Additionally, in the passage 4 of long-pending fine device 1A, go to broaden gradually from upstream side downstream side in the interval of the downstream top plate portion 412 of top board 41 and the downstream base plate 422 of base plate 42, therefore in downstream top plate portion 412 and downstream base plate 422, top board 41, base plate 42 and two side 43,44 area of section of the stream surrounded goes to become larger from upstream side downstream side.Therefore, the polymer dispersed pipe 8 utilizing the end in the downstream being configured at upstream side top plate portion 411 spreads the area of section of the stream in the dispersion zone of absorbent particles 32 and is formed relatively small.In this dispersion zone, it is preferable that the area of section of the above-mentioned stream of the end of the lower end of polymer dispersed pipe 8 or the upstream side of dividing plate described later 45 is formed minimum.

Passage 4, as shown in Fig. 2 (a), is configured with in long-pending fine device 1A and limits the dividing plate 45 of the flow direction of the absorbent particles 32 of supply inside to it.Specifically, dividing plate 45 extends to rotating cylinder 2 from the boundary member of upstream side top plate portion 411 with downstream top plate portion 412 throughout the two side 43,44 of passage 4.More specifically, dividing plate 45 extends to the front end of the plate of the space A and space B that divide rotating cylinder 2.It is configured with dividing plate 45 in the inside of passage 4, thus, the flow direction of restriction absorbent particles 32, when only making fibrous material 31 circulate, it is branched off into the flowing of circulation fibrous material 31 and absorbent particles 32.

As shown in Fig. 1 and Fig. 2 (a), adjacent and along rotating cylinder 2 outer peripheral face 21 configures pressing belt 5 with the downstream of the position of the passage 4 of rotating cylinder 2, and configures along the outer peripheral face 21 being positioned at space C, D of being set to the negative pressure more weak than the space B of rotating cylinder 2 or zero pressure (atmospheric pressure).Pressing belt 5 is the band of the breathability of ring-type or non-breathable, is set up on roller 51 and roller 52, carries out interlocking rotate together with the rotation with rotating cylinder 2.Additionally, when the band that pressing belt 5 is breathability, it is preferred to actually do not make the band that the raw material in accumulation recess 22 passes through.Utilize pressing belt 5, even if the pressure setting by space C～E becomes atmospheric pressure, it is also possible to be held in accumulation recess 22 by long-pending fine thing, until being transferred on suction conveyor 6 by the long-pending fine thing in accumulation recess 22.

As shown in Fig. 1 and Fig. 2 (a), suction conveyor 6 is configured at the lower section of rotating cylinder 2, and is arranged in the outer peripheral face 21 being positioned at the space E being set to weak malleation or zero pressure (atmospheric pressure) of rotating cylinder 2.Suction conveyor 6 includes: be set up in the gas-permeable strip 63 of the ring-type driving roller 61 and driven voller 62,62；With the vacuum tank 64 clipping gas-permeable strip 63 and being configured at the position relative with the outer peripheral face 21 of the space E being positioned at rotating cylinder 2.Import, on suction conveyor 6, the clad sheet 34 being made up of the non-woven fabrics etc. of cotton paper or liquid permeability.

As it is shown in figure 1, fibrous material supply unit 7 is the part of the fibrous material 31 supplying the raw material as absorber to passage 4.Fibrous material supply unit 7 has fiber uncoiling machine 71.By the blank 30 of the lamellar of fibrous material 31 is imported fiber uncoiling machine 71, solve fine blank 30, and the fibrous material 31 after solving fibre is supplied the stream to passage 4.

Then, the above-mentioned long-pending fine device 1A method illustrating to manufacture absorber continuously is used.

First, make the extraction fan (not shown) that space A, B in difference rotating cylinder 2 and vacuum tank 64 connect be operated, make space A, B in rotating cylinder 2 and become negative pressure in vacuum tank 64.Become negative pressure in space A, B by making, in passage 4, produce the air stream (evacuated air) carried to the outer peripheral face 21 of rotating cylinder 2 by the raw material of absorber.It addition, make rotating cylinder 2 rotate, make pressing belt 5 action.

Then, make the fiber uncoiling machine 71 of fibrous material supply unit 7 work, carry out solving fibre to the blank of the lamellar of fibrous material 31, the fibrous material 31 after solving fibre is supplied to the stream in passage 4.It addition, utilize the polymer dispersed pipe 8 of the top board 41 being configured at passage 4, in passage 4, supply absorbent particles 32.

At this, as above-mentioned, as as shown in Fig. 2 (c), for passage 4, the area of section spreading the stream in the dispersion zone of absorbent particles 32 in this passage 4 is formed less than the area of section of the area of section of the stream of the most upstream being positioned at this passage 4 and the stream of the most downstream being positioned at this passage 4.Therefore, in passage 4 supply solve the fibrous material 31 after fibre be flowing in undergauge in the dispersion zone spreading absorbent particles 32 with polymer dispersed pipe 8.And, in dispersion zone, fibrous material 31 after undergauge mixes effectively with polymer, and then as the flowing extended to the most downstream of passage 4, the flowing of the fibrous material 31 after undergauge extends to the whole region of the thickness direction between the top board 41 of passage 4 and base plate 42.Now, the absorbent particles 32 spread in dispersion zone mixes effectively with fibrous material, and therefore along with the flowing of fibrous material 31 is spread, not only fibrous material 31, the absorbent particles 32 of weight ratio fibrous material 31 weight is also easy to diffuse in passage 4 overall.Namely, fibrous material 31 is at the dispersion zone undergauge of absorbent particles 32, fibrous material 31 and absorbent particles 32 mix (winding) effectively, thus, proportion heavier not easily along with the absorbent particles 32 of air stream can be uniformly dispersed by light specific gravity and the form that is also easy in shape assist along with the fibrous material 31 of air stream.Particularly in long-pending fine device 1A, upstream side top plate portion 411 and upstream side base plate 421 at passage 4, the area of section of the stream surrounded by top board 41, base plate 42 and two side 43,44 goes to taper into from upstream side downstream side, therefore, being flowing in the dispersion zone being spread absorbent particles 32 by polymer dispersed pipe 8 of fibrous material 31 after the solution fibre supplied in passage 4 is prone to undergauge.Additionally, in long-pending fine device 1A, downstream top plate portion 412 and downstream base plate 422 at passage 4, the area of section of the stream surrounded by top board 41, base plate 42 and two side 43,44 goes to become larger from upstream side downstream side, therefore, the flowing of the fibrous material 31 after undergauge is readily extended to the whole region of thickness direction of passage 4, and the absorbent particles 32 of distribution is easier to spread along with the flowing of fibrous material 31, and fibrous material 31 and absorbent particles 32 are easier to diffuse in passage 4 overall.Additionally, as the additive method of dispersion zone making fibrous material 31 concentrate on absorbent particles 32, there is following method, namely, do not make stream undergauge, the shape of passage 4 is set to rectilinear form, and make the area of section being positioned at the stream of the most upstream of passage 4 identical with the area of section of the stream of dispersion zone, but in this case, need to reduce fibrous material sheet material width (blank width), and further speed up the speed to fiber uncoiling machine conveying sheet, and worry that the solution fibre causing fibrous material 31 is not enough.Further, when reducing sheet width (blank width), the depletion rate of blank is accelerated, and replacement frequency increases, and therefore, there is also the problem that production loss increases.It is therefore preferable that sheet width (blank width) is wider, it is therefore preferable that the area of section being positioned at the stream of the most upstream of passage 4 is the widest.

The absorbent particles 32 spread in dispersion zone spreads along with the flowing of fibrous material 31, fibrous material 31 and absorbent particles 32 are while to integral extension in passage 4, while to the accumulation recess 22 of the outer peripheral face 21 of rotating cylinder 2 supply time, on the accumulation thickness direction with recess 22, absorbent particles 32 is prone to be homogeneously dispersed in the long-pending fine thing 33 of fibrous material 31 and absorbent particles 32.

It addition, in long-pending fine device 1A, as shown in Fig. 2 (a), be configured with dividing plate 45 in passage 4.Therefore, in the region corresponding with the space A of the upstream side of rotating cylinder 2, it is easy to form the filter course being made up of fibrous material 31.It addition, in the region corresponding with the space B of the rotating cylinder 2 in the downstream of space A, it is easy to form the mixed layer being made up of fibrous material 31 and absorbent particles 32.So, in the passage 4 above dividing plate 45, the absorbent particles 32 spread is prone to the flowing along with fibrous material 31 and spreads, and fibrous material 31 and absorbent particles 32 easily extend.At this, filter course is for preventing absorbent particles 32 from blocking the layer of the net pore bottom accumulation recess 22.Additionally, rotating cylinder 2 has the governor motion regulating captivation, it is thus possible, for instance pass through to regulate the balance of the captivation in the captivation in the region corresponding with space B and the region corresponding with space A, in passage 4 above dividing plate 45, fibrous material 31 and absorbent particles 32 can more easily extend.More specifically, such as, when the captivation of space A is crossed strong relative to the captivation of space B, excessively form the filter course being made up of fibrous material 31, corresponding amount is reduced with the fibrous material 31 of absorbent particles 32 mixing spread in dispersion zone, therefore, it does not have the absorbent particles 32 not dispersion mixed with fibrous material 31, and cohesion existence in long-pending fine thing 33.In this case, governor motion is used to regulate the captivation in the region corresponding with space B and the balance of the captivation in the region corresponding with space A, thus suppress the formation of excessive filter course, the fibrous material 31 mixing required amount fully with absorbent particles 32 can be allocated in dispersion zone, its result is, the absorbent particles 32 spread reliably mixes with fibrous material 31, in the passage 4 above dividing plate 45, it is possible to be prone to expansion fiber material 31 and absorbent particles 32.

As more than, the raw material making absorber in accumulation recess 22 is long-pending fine and after obtaining long-pending fine thing 33, as it is shown in figure 1, make rotating cylinder 2 further rotate, utilizes pressing belt 5 to be pressed against in accumulation recess 22 by long-pending fibre thing 33, while being transported on suction conveyor 6.And, when long-pending fine thing 33 in accumulation recess 22 arrives the relative position of vacuum tank 64, by the attraction from vacuum tank 64, from accumulation recess 22 demoulding, and transfer on the clad sheet 34 constituted to the non-woven fabrics etc. by cotton paper or liquid permeability imported on suction conveyor 6.

Then, are turned back in the both sides of the conveying direction along clad sheet 34, the upper and lower surface of long-pending fine thing 33 is coated with by clad sheet 34.And, the long-pending fine thing 33 of the state being coated with by clad sheet 34 shut-off mechanism of cut-off device (not shown) together with clad sheet 34 cuts off.So, it is continuously available the absorber 3 that long-pending fine thing 33 is coated with by clad sheet 34.

Use the long-pending fine thing 33 of the long-pending fine device 1A absorber 3 obtained as it is shown on figure 3, not only on the width of long-pending fine thing 33, and be also uniformly dispersed absorbent particles 32 in a thickness direction.Therefore, use the long-pending fine device 1A absorber 3 obtained in use to be not likely to produce gel blockage, become the high-quality absorber of the absorber that absorbent commodities such as being suitable as disposable diaper, sanitary napkin, incontinence protection uses.So, the manufacture method according to the long-pending fine device 1A employing the first embodiment, it is possible to stably manufacture not only on the width of long-pending fine thing 33, and be also uniformly dispersed the absorber 3 of absorbent particles 32 in a thickness direction.

Then, the long-pending fine device 1B～1E of the second of the present invention～the 5th embodiment is illustrated.About the long-pending fine device 1B～1E of the second～the 5th embodiment, mainly the long-pending fine point different for device 1A from the first embodiment is illustrated, identical point is marked identical symbol and omits the description.For there is no specifically mentioned point, suitably apply the long-pending fine explanation relevant for device 1A to the first embodiment.Additionally, effect about the long-pending fine device 1B～1E of the second～the 5th embodiment, the point different from the effect of the long-pending fine device 1A of the first embodiment is illustrated, it does not have the point of special instruction is identical with the effect of long-pending fine device 1A, and suitably the explanation of the effect of fine device 1A is amassed in application.

The long-pending fine device 1A of the first above-mentioned embodiment is such as shown in Fig. 4 (a), Fig. 4 (b), the characteristic of the fiber uncoiling machine 71 according to fibrous material supply unit 7, base plate 42 side (lower section) on the thickness direction between top board 41 and base plate 42 in passage 4, the quantitative change of the fibrous material 31 sometimes having been solved fine is many.So, when the amount of fibrous material 31 becomes many in lower section, in long-pending fine device 1A, as shown in Fig. 4 (a), sometimes excessively form the filter course being made up of fibrous material 31 in the region corresponding with the space A of the upstream side of rotating cylinder 2.The long-pending fine thing 33 of the absorber 3 obtained under this situation is as shown in Figure 5, the filter course of the fibrous material 31 being only made up of fibrous material 31 is excessively formed below thickness direction, the fibrous material 31 mixed with the absorbent particles 32 spread in dispersion zone tails off, so there is no the absorbent particles 32 not dispersion mixed with fibrous material 31, and cohesion exists in long-pending fine thing 33.Even if assuming that the captivation regulating than space A by the captivation of space B is strong, the absorbent particles 32 that in dispersion zone above dividing plate 45, proportion is heavier mixes also without the flowing of the fibrous material 31 lighter with proportion, therefore, sometimes can not fully dispersed absorbent particles 32.In order to increase the amount of the fibrous material 31 in dispersion zone circulation, making fibrous material 31 concentrate on to be easier to mix with absorbent particles 32 near diffusion tube front end, the long-pending fine device 1E of long-pending fine device 1B～the 5th embodiment of the second embodiment of following description is effective.

The long-pending fine device 1B of the second embodiment is such as shown in Fig. 6 (a), Fig. 6 (b), and the upstream side in the dispersion zone spreading absorbent particles 32 in passage 4 has the flow direction correcting fibrous material 31 and makes this fibrous material 31 concentrate on the mechanism of this dispersion zone.Specifically, in the long-pending fine device 1B of the second embodiment, there is inside passage 4 the rectification guiding piece 46 of the flow direction correcting fibrous material 31.Rectification guiding piece 46 is positioned at the upstream side top plate portion 411 of the top board 41 of passage 4 and the upstream side base plate 421 of base plate 42, extends from the upper surface downstream side of the upstream side base plate 421 of base plate 42 in the two side 43,44 of passage 4.And, correct guiding piece 46 and configure in the way of the end of the lower end of polymer dispersed pipe 8 or the upstream side of dividing plate 45 is located thereon on the extended line shown.Long-pending fine device 1B is provided with guiding piece 46, therefore, also has the advantage changing guiding piece position according to condition and can carry out arbitrarily control.

When using long-pending fine device 1B to be continuously manufactured by absorber, the same with the long-pending fine device 1A of the first embodiment, in passage 4, the area of section spreading the stream in the dispersion zone of absorbent particles 32 is formed less than the area of section of the area of section of the stream of the most upstream being positioned at this passage 4 and the stream of the most downstream being positioned at this passage 4.Therefore, what be supplied to the fibrous material 31 after the solution fibre in passage 4 is flowing in undergauge in the dispersion zone utilizing polymer dispersed pipe 8 to spread absorbent particles 32.Particularly in long-pending fine device 1B, having the rectification guiding piece 46 of the flow direction correcting fibrous material 31 inside passage 4, the flowing therefore solving the fibrous material 31 after fibre is concentrated to the dispersion zone spreading absorbent particles 32.Therefore, fibrous material 31 by undergauge be flowing in dispersion zone to be prone to and absorbent particles 32 collisional mixing spread, when discharging to the most downstream of passage 4, absorbent particles 32 spreads further along with the flowing of fibrous material 31, not only fibrous material 31, and the absorbent particles 32 of weight ratio fibrous material 31 weight is easier to extend in passage 4 overall.

The long-pending fine thing 33 using the long-pending fine device 1B absorber 3 obtained is the same with the long-pending fine thing 33 of the absorber 3 that the long-pending fine device 1A using the first embodiment obtains, as shown in Figure 3, not only at the width of long-pending fine thing 33, and also it is uniformly dispersed absorbent particles 32 in a thickness direction.Therefore, absorber 3 is in use not likely to produce gel blockage, becomes the high-quality absorber of the absorber that absorbent commodities such as being suitable as disposable diaper, sanitary napkin, incontinence protection uses.So, according to the manufacture method employing long-pending fine device 1B, it is possible to stably manufacture the width of not only long-pending fine thing 33, and be also uniformly dispersed the absorber 3 of absorbent particles 32 in a thickness direction.

Then, as shown in Fig. 7 (a), Fig. 7 (b), the long-pending fine device 1C of the 3rd embodiment, at the upstream side of the dispersion zone spreading absorbent particles 32 in passage 4, has the flow direction correcting fibrous material 31 and makes this fibrous material 31 concentrate on the mechanism of this dispersion zone.Specifically, in the long-pending fine device 1C of the 3rd embodiment, the upstream side base plate 421 of the base plate 42 of passage 4 configures obliquely.More specifically, upstream side base plate 421 configures in the way of the end of the lower end of polymer dispersed pipe 8 or the upstream side of dividing plate 45 is located thereon on the extended line on surface, and upstream side base plate 421 forms the mechanism making fibrous material 31 concentrate on dispersion zone.

Such as long-pending fine device 1C, when the upstream side base plate 421 of passage 4 is inclined, the interval of top board 41 and base plate 42 is such as shown in Fig. 7 (a), interval between upstream side top plate portion 411 and upstream side base plate 421 is gone to become narrow gradually to dispersion zone, goes to broaden gradually from upstream side top plate portion 411 and upstream side base plate 421 to the outer peripheral face 21 of rotating cylinder 2 in the interval of downstream top plate portion 412 and downstream base plate 422.The end in the downstream of upstream side base plate 421 is positioned at the upstream side of the end of dividing plate 45, and as shown in Fig. 7 (b), the width of upstream side top plate portion 411 and upstream side base plate 421 goes to become narrow gradually from upstream side downstream side.Therefore, the polymer dispersed pipe 8 configured in the end in the downstream of upstream side top plate portion 411 is utilized to spread the further undergauge of area of section of the stream in the dispersion zone of absorbent particles 32.Mixing it is easier to by reducing upstream side top plate portion 411 and the interval of upstream side base plate 421, fibrous material 31 and absorbent particles 32 to conflict.Additionally, in the long-pending fine device 1B of the second above-mentioned embodiment, produce wasted space in bottom, it is thus possible to produce eddy current, or pulp powder is piled up gradually, but the long-pending fine device 1C of the 3rd embodiment has improved, and makes this wasted space disappear.

When using long-pending fine device 1C to manufacture absorber continuously, compared with the long-pending fine device 1A of the first embodiment, in passage 4, spread the area of section undergauge further than the area of section of the area of section of the stream of the most upstream being positioned at this passage 4 and the stream of the most downstream being positioned at this passage 4 of the stream in the dispersion zone of absorbent particles 32.Therefore, what be supplied to the fibrous material 31 after the solution fibre in passage 4 is flowing in undergauge in the dispersion zone utilizing polymer dispersed pipe 8 to spread absorbent particles 32.Particularly in long-pending fine device 1C, correcting the flow direction of fibrous material 31 in passage 4 inner utilization upstream side base plate 421, the flowing solving the fibrous material 31 after fibre is concentrated to the dispersion zone spreading absorbent particles 32.Therefore, the fibrous material 31 of undergauge be flowing in dispersion zone to be prone to collide with the absorbent particles 32 spread, when discharging to the most downstream of passage 4, absorbent particles 32 spreads further along with the flowing of fibrous material 31, it is not only fibrous material 31, and the absorbent particles 32 of weight ratio fibrous material 31 weight is also easier to extend in passage 4 overall.

The long-pending fine thing 33 using the long-pending fine device 1C absorber 3 obtained is the same with the long-pending fine thing 33 of the absorber 3 that the long-pending fine device 1A using the first embodiment obtains, as shown in Figure 3, not only at the width of long-pending fine thing 33, and also it is uniformly dispersed absorbent particles 32 in a thickness direction.Therefore, absorber 3 is in use not likely to produce gel blockage, becomes the high-quality absorber of the absorber that absorbent commodities such as being suitable as disposable diaper, sanitary napkin, incontinence protection uses.So, according to the manufacture method employing long-pending fine device 1C, it is possible to stably manufacture not only at the width of long-pending fine thing 33, and be also uniformly dispersed the absorber 3 of absorbent particles 32 in a thickness direction.

Then, the long-pending fine device 1D of the 4th embodiment as shown in Figure 8, at the upstream side of the dispersion zone spreading absorbent particles 32 in passage 4, has the flow direction correcting fibrous material 31 and makes this fibrous material 31 concentrate on the mechanism of this dispersion zone.Specifically, in the long-pending fine device 1D of the 4th embodiment, there is inside passage 4 the rectification guiding piece 47 of the flow direction correcting fibrous material 31.Rectification guiding piece 47 is positioned at the upstream side top plate portion 411 of the top board 41 of passage 4 and the upstream side base plate 421 of base plate 42, extends from the upper surface downstream side of the upstream side base plate 421 of base plate 42 in the two side 43,44 of passage 4.And, as shown in Figure 8, correct guiding piece 47 and there is in the end of side downstream the shape at width middle body undergauge.That is, correct guiding piece 47 and become the lifting width both sides, end in side downstream and the shape at width middle body undergauge.Correct guiding piece 47 be positioned at by the end of the lower end of polymer dispersed pipe 8 or the upstream side of dividing plate 45 downstream end width middle body upper surface extended line in the way of configure.

When using long-pending fine device 1D to manufacture absorber continuously, the same with the long-pending fine device 1A of the first embodiment, in passage 4, the area of section spreading the stream in the dispersion zone of absorbent particles 32 is formed less than the area of section of the area of section of the stream of the most upstream being positioned at this passage 4 and the stream of the most downstream being positioned at this passage 4.Therefore, what be supplied to the fibrous material 31 after the solution fibre in passage 4 is flowing in undergauge in the dispersion zone utilizing polymer dispersed pipe 8 to spread absorbent particles 32.Particularly in long-pending fine device 1D, having the rectification guiding piece 47 of the flow direction correcting fibrous material 31 inside passage 4, the flowing therefore solving the fibrous material 31 after fibre is concentrated to the width central part of the dispersion zone spreading absorbent particles 32.Therefore, fibrous material 31 after undergauge be flowing in dispersion zone to be prone to collide with the absorbent particles 32 spread, when discharging to the most downstream of passage 4, absorbent particles 32 spreads further along with the flowing of fibrous material 31, not only fibrous material 31, and the absorbent particles 32 of weight ratio fibrous material 31 weight is easier to diffuse in passage 4 overall, makes fibrous material 31 and absorbent particles 32 more effectively mix.

The long-pending fine thing 33 using the long-pending fine device 1C absorber 3 obtained is the same with the long-pending fine thing 33 of the absorber 3 that the long-pending fine device 1A using the first embodiment obtains, as shown in Figure 3, not only on the width of long-pending fine thing 33, and also it is uniformly dispersed absorbent particles 32 in a thickness direction.Therefore, absorber 3 is in use not likely to produce gel blockage, becomes the high-quality absorber of the absorber that absorbent commodities such as being suitable as disposable diaper, sanitary napkin, incontinence protection uses.So, according to the manufacture method employing long-pending fine device 1C, it is possible to stably manufacture not only at the width of long-pending fine thing 33, and be also uniformly dispersed the absorber 3 of absorbent particles 32 in a thickness direction.

Then, the long-pending fine device 1E of the 5th embodiment is as it is shown in figure 9, at the upstream side of the dispersion zone of distribution absorbent particles 32 in passage 4, have the flow direction correcting fibrous material 31 and make this fibrous material 31 concentrate on the mechanism of this dispersion zone.Specifically, in the long-pending fine device 1E of the 5th embodiment, passage 4 has air output mechanism and the blowning installation 48 of the flow direction correcting fibrous material at the upstream side of above-mentioned dispersion zone, utilizes this air output mechanism (blowning installation) 48 to make fibrous material 31 concentrate on dispersion zone.Blowning installation 48 is configured to the upstream side base plate 421 that the blow-off outlet of air is configured at the base plate 42 of passage 4, and blows to the lower end of polymer dispersed pipe 8 or the end of the upstream side of dividing plate 45 from the air of blow-off outlet blowout.Additionally, as it is shown in figure 9, blowning installation 48 utilizes conduit 481 to be connected with air source (not shown).

When using long-pending fine device 1E to be continuously manufactured by absorber, the same with the long-pending fine device 1A of the first embodiment, in passage 4, the area of section spreading the stream in the dispersion zone of absorbent particles 32 is formed less than the area of section of the area of section of the stream of the most upstream being positioned at this passage 4 and the stream of the most downstream being positioned at this passage 4.Therefore, what be supplied to the fibrous material 31 after the solution fibre in passage 4 is flowing in undergauge in the dispersion zone utilizing polymer dispersed pipe 8 to spread absorbent particles 32.Particularly in long-pending fine device 1E, having the air output mechanism (blowning installation) 48 of the flow direction correcting fibrous material 31 inside passage 4, therefore, the flowing solving the fibrous material 31 after fibre is concentrated to the dispersion zone spreading absorbent particles 32.Therefore, fibrous material 31 after undergauge be flowing in dispersion zone to be prone to collide with the absorbent particles 32 spread, when discharging to the most downstream of passage 4, absorbent particles 32 spreads further along the flowing of fibrous material 31, not only fibrous material 31, and the absorbent particles 32 of weight ratio fibrous material 31 weight is also easier to diffuse in passage 4 overall.

The long-pending fine thing 33 using the long-pending fine device 1E absorber 3 obtained is the same with the long-pending fine thing 33 of the absorber 3 that the long-pending fine device 1A using the first embodiment obtains, as shown in Figure 3, not only on the width of long-pending fine thing 33, and also it is uniformly dispersed absorbent particles 32 in a thickness direction.Therefore, absorber 3 is in use not likely to produce gel blockage, becomes the high-quality absorber of the absorber that absorbent commodities such as being suitable as disposable diaper, sanitary napkin, incontinence protection uses.So, according to the manufacture method employing long-pending fine device 1C, it is possible to stably manufacture not only at the width of long-pending fine thing 33, and be also uniformly dispersed the absorber 3 of absorbent particles 32 in a thickness direction.

The device that manufactures of the absorber of the present invention is not restricted to the long-pending fine device 1A～1E of the first～the 5th above-mentioned embodiment, it is possible to suitably change.It addition, each constitutive requirements in the long-pending fine device 1A～1E of the above-mentioned first～the 5th embodiment can appropriately combined enforcement in the scope not damaging present inventive concept.

Such as, in the long-pending fine device 1A～1E of the first～the 5th embodiment, the width of the width of the upstream side top plate portion 411 of the top board 41 in passage 4 and the upstream side base plate 421 of base plate 42 goes to become narrow gradually from upstream side downstream side but it also may periodically narrow.It addition, in the long-pending fine device 1A～1E of the first～the 5th embodiment, going to broaden gradually from upstream side downstream side in the interval of the downstream top plate portion 412 of the top board 41 in passage 4 and the downstream base plate 422 of base plate 42 but it also may periodically broadens.

It addition, the shape of the long-pending fine thing 33 manufactured can also be passed through the shape of change accumulation recess 22 etc. and change neatly.

The absorber manufactured in the present invention is preferably used as the absorber of absorbent commodity.Absorbent commodity is mainly used in absorbing the body fluid keeping urine, menses etc. from health excretion.Absorbent commodity comprises such as disposable diaper, sanitary napkin, incontinence protection, sanitary pad etc., but is not limited to this, extensively comprises the article for absorbing the liquid discharged from human body.

About above-mentioned embodiment, the manufacture device of following absorber is disclosed further.

The manufacture device of a < 1 > absorber, including: rotating cylinder, it has the accumulation recess built up containing fibrous material and the raw material of the absorber of absorbent particles at outer peripheral face；And passage, the raw material of above-mentioned absorber is supplied to the outer peripheral face of this rotating cylinder by it with the state of dispersing, wherein,

In above-mentioned passage, in this passage, spread the area of section of the stream in the dispersion zone of above-mentioned absorbent particles formed less than the area of section of the area of section of the stream of the most upstream being positioned at this passage and the stream that is positioned at most downstream.

The manufacture device of < 2 > such as absorber described in above-mentioned < 1 >, wherein,

Above-mentioned passage has the flow direction correcting above-mentioned fibrous material and the device making this fibrous material concentrate to this dispersion zone at the upstream side of above-mentioned dispersion zone.

The manufacture device of < 3 > such as absorber described in above-mentioned < 1 > or < 2 >, wherein,

Above-mentioned passage has the rectification guiding piece of the flow direction correcting above-mentioned fibrous material at the upstream side of above-mentioned dispersion zone, utilizes this rectification guiding piece to make this fibrous material concentrate on this dispersion zone.

The manufacture device of absorber described any one of < 4 > such as above-mentioned < 1 >～< 3 >, wherein,

Above-mentioned rectification guiding piece has the shape at width middle body undergauge in the end of side downstream.

The manufacture device of absorber described any one of < 5 > such as above-mentioned < 1 >～< 4 >, wherein,

Above-mentioned passage has the air output mechanism of the flow direction correcting above-mentioned fibrous material at the upstream side of above-mentioned dispersion zone, and utilizes this air output mechanism to make this fibrous material concentrate on this dispersion zone.

The manufacture device of absorber described any one of < 6 > such as above-mentioned < 1 >～< 5 >, wherein,

The dividing plate of the flow direction of the above-mentioned absorbent particles that restriction supplies it is configured with in the inside of above-mentioned passage,

Above-mentioned rotating cylinder has governor motion, and this governor motion regulates and forms the captivation in upstream side region corresponding to region with the filter course being made up of above-mentioned fibrous material and form the captivation of downstream side region corresponding to region with the mixed layer being made up of above-mentioned fibrous material and above-mentioned absorbent particles.

The manufacture device of absorber described any one of < 7 > such as above-mentioned < 1 >～< 6 >, wherein,

The manufacture device of above-mentioned absorber is long-pending fine device.

The manufacture device of absorber described any one of < 8 > such as above-mentioned < 1 >～< 7 >, wherein,

Above-mentioned accumulation recess configures multiple in the circumference (2X direction) of above-mentioned rotating cylinder at a prescribed interval.

The manufacture device of absorber described any one of < 9 > such as above-mentioned < 1 >～< 8 >, wherein,

Above-mentioned rotating cylinder has separate multiple spaces in inside,

It is connected to extraction fan, by driving this extraction fan, it is possible to regulate the pressure in the above-mentioned space being spaced in this rotating cylinder at above-mentioned rotating cylinder,

The pressure in above-mentioned multiple space is set to weak negative pressure, zero pressure (atmospheric pressure) and malleation.

The manufacture device of absorber described any one of < 10 > such as above-mentioned < 1 >～< 9 >, wherein,

As above-mentioned fibrous material, by the chopped fiber of the cellulosic fibres such as paper pulp fiber, staple fibre, cotton fiber and polyethylene or the synthetic fibers such as polypropylene, polyethylene terephthalate have been carried out the chopped fiber etc. of hydrophilicity-imparting treatment be used alone one or combine two or more use.

The manufacture device of absorber described any one of < 11 > such as above-mentioned < 1 >～< 10 >, wherein,

As above-mentioned absorbent particles, use the granule of starch based, cellulose family, synthetic polymer, superabsorbent polymer class.

The manufacture device of absorber described any one of < 12 > such as above-mentioned < 1 >～< 11 >, wherein,

The Heavy Weight of the above-mentioned fibrous material of weight ratio of above-mentioned absorbent particles.

The manufacture device of absorber described any one of < 13 > such as above-mentioned < 1 >～< 12 >, wherein,

The device that manufactures of above-mentioned absorber has the fibrous material supply unit supplying above-mentioned fibrous material to above-mentioned passage,

Above-mentioned passage extends to above-mentioned rotating cylinder from above-mentioned fibrous material supply unit, and the opening in the downstream of this passage covers the outer peripheral face in the above-mentioned space being positioned at the above-mentioned rotating cylinder maintaining into negative pressure.

The manufacture device of absorber described any one of < 14 > such as above-mentioned < 1 >～< 13 >, wherein,

Above-mentioned passage includes forming the top board of end face, forming the base plate of bottom surface and form the two side of two sides.

The manufacture device of absorber described any one of < 15 > such as above-mentioned < 1 >～< 14 >, wherein,

The top board of above-mentioned passage includes being positioned at the upstream side top plate portion of upstream side and being positioned at the downstream top plate portion in downstream,

The base plate of above-mentioned passage includes being positioned at the upstream side base plate of upstream side and being positioned at the downstream base plate in downstream,

The width of above-mentioned upstream side top plate portion and above-mentioned upstream side base plate goes to become narrow gradually from upstream side downstream side, and the width of above-mentioned downstream top plate portion and above-mentioned downstream base plate goes as necessarily from upstream side downstream side,

The width of above-mentioned downstream top plate portion and above-mentioned downstream base plate is the width identical with the width being positioned at the position swimming side most on the lower of above-mentioned upstream side top plate portion and above-mentioned upstream side base plate.

The manufacture device of < 16 > such as absorber described in above-mentioned < 14 > or < 15 >, wherein,

In the interval of the top board of above-mentioned passage and the base plate of above-mentioned passage, interval between upstream side top plate portion and upstream side base plate is configured to necessarily, goes to broaden gradually from this upstream side top plate portion and this upstream side base plate to the outer peripheral face of above-mentioned rotating cylinder in the interval of downstream top plate portion and downstream base plate.

The manufacture device of absorber described any one of < 17 > such as above-mentioned < 14 >～< 16 >, wherein,

It is configured with above-mentioned absorbent particles to the polymer dispersed pipe of supply in this passage at the top board of above-mentioned passage.

The manufacture device of < 18 > such as absorber described in above-mentioned < 17 >, wherein,

Above-mentioned polymer dispersed pipe is configured at the end in the downstream of the upstream side top plate portion of the top board constituting above-mentioned passage.

The manufacture device of < 19 > such as absorber described in above-mentioned < 17 > or < 18 >, wherein,

Above-mentioned passage has the restriction supply dividing plate to the flow direction of its internal above-mentioned absorbent particles,

The mode of the end that above-mentioned polymer dispersed Guan Yiqi lower end is positioned at the upstream side of aforementioned barriers configures.

The manufacture device of < 20 > such as absorber described in above-mentioned < 19 >, wherein,

Even if in above-mentioned dispersion zone, the area of section of the above-mentioned stream in the end of the lower end of above-mentioned polymer dispersed pipe or the upstream side of aforementioned barriers is also minimum.

The manufacture device of absorber described any one of < 21 > such as above-mentioned < 1 >～< 20 >, wherein,

In above-mentioned channel interior, the upstream side in above-mentioned dispersion zone has the rectification guiding piece of the flow direction correcting above-mentioned fibrous material,

Above-mentioned rectification guiding piece is positioned at the upstream side top plate portion of the top board of above-mentioned passage and the upstream side base plate of the base plate of above-mentioned passage, extends from the upper surface downstream side of the upstream side base plate of the base plate of above-mentioned passage in the two side of this passage.

The manufacture device of absorber described any one of < 22 > such as above-mentioned < 1 >～< 21 >, wherein,

Above-mentioned absorber is the absorber for absorbent commodities such as disposable diaper, sanitary napkin, incontinence protection.

The manufacture method of a < 23 > absorber, employs the manufacture device of absorber described any one of above-mentioned < 1 >～< 22 >.

Industrial applicability

According to the present invention, make fibrous material undergauge in the dispersion zone of absorbent particles, fibrous material and absorbent particles is made effectively to mix (winding), thus, proportion heavier not easily along with the absorbent particles of air stream can be uniformly dispersed by light specific gravity and the form that is also easy in shape assist along with the fibrous material of air stream.As a result of which it is, be not likely to produce gel blockage, it is possible to stably manufacture the absorber of the absorbent properties that can fully effectively utilize absorber.

Claims

1. a manufacture device for absorber, including: rotating cylinder, it has the accumulation recess built up containing fibrous material and the raw material of the absorber of absorbent particles at outer peripheral face；And passage, the raw material of described absorber is supplied to the outer peripheral face of this rotating cylinder by it with the state of dispersing, and the device that manufactures of described absorber is characterised by:

In described passage, the area of section spreading the stream in the dispersion zone of described absorbent particles in this passage is formed less with the area of section of the stream being positioned at most downstream than the area of section of the stream of the most upstream being positioned at this passage,

Described passage has the flow direction correcting described fibrous material and the mechanism making this fibrous material concentrate on this dispersion zone at the upstream side of described dispersion zone.

2. the manufacture device of absorber as claimed in claim 1, it is characterised in that:

Have and described absorbent particles be supplied to the diffusion tube in described passage,

The described mechanism making fibrous material concentrate on described dispersion zone makes the lower end that described fibrous material concentrates on described diffusion tube.

3. the manufacture device of absorber as claimed in claim 1 or 2, it is characterised in that:

In described channel interior, the upstream side in described dispersion zone has the rectification guiding piece of the flow direction correcting described fibrous material, utilizes this rectification guiding piece to make this fibrous material concentrate on this dispersion zone.

4. the manufacture device of absorber as claimed in claim 3, it is characterised in that:

Described rectification guiding piece has the shape at width middle body undergauge in the end of side downstream.

5. the manufacture device of the absorber as according to any one of Claims 1 to 4, it is characterised in that:

Described passage has the air output mechanism of the flow direction correcting described fibrous material at the upstream side of described dispersion zone, utilizes this air output mechanism to make this fibrous material concentrate on this dispersion zone.

6. the manufacture device of the absorber as according to any one of Claims 1 to 5, it is characterised in that:

The dividing plate of the flow direction of the described absorbent particles that restriction supplies it is configured with in the inside of described passage,

Described rotating cylinder has governor motion, and this governor motion regulates and forms the captivation in upstream side region corresponding to region with the filter course being made up of described fibrous material and form the captivation of downstream side region corresponding to region with the mixed layer being made up of described fibrous material and described absorbent particles.

7. the manufacture device of the absorber as according to any one of claim 1～6, it is characterised in that:

The manufacture device of described absorber is long-pending fine device.

8. the manufacture device of the absorber as according to any one of claim 1～7, it is characterised in that:

Described accumulation recess is configured with multiple in the circumference of described rotating cylinder at a prescribed interval.

9. the manufacture device of the absorber as according to any one of claim 1～8, it is characterised in that:

Described rotating cylinder has separate multiple spaces in inside,

It is connected to extraction fan, by driving this extraction fan, it is possible to regulate the pressure in the described space being spaced in this rotating cylinder at described rotating cylinder,

The pressure in the plurality of space is respectively set as weak negative pressure, atmospheric pressure and malleation.

10. the manufacture device of the absorber as according to any one of claim 1～9, it is characterised in that:

As described fibrous material, one in the group of the chopped fiber of the free cellulosic fibre of choosing and the chopped fiber composition that synthetic fibers have carried out hydrophilicity-imparting treatment is used alone or is used in combination of two or more, it is at least any of that the chopped fiber of this cellulosic fibre comprises in paper pulp fiber, staple fibre and cotton fiber, and it is at least any of that these synthetic fibers comprise in polyethylene fibre, polypropylene fibre and pet fiber.

11. the manufacture device of the absorber as according to any one of claim 1～10, it is characterised in that:

As described absorbent particles, the one in the group constitute the material selecting free starch based, cellulose family, synthetic polymer and superabsorbent polymer class is used alone or is used in combination of two or more.

12. the manufacture device of the absorber as according to any one of claim 1～11, it is characterised in that:

The Heavy Weight of fibrous material described in the weight ratio of described absorbent particles.

13. the manufacture device of the absorber as according to any one of claim 1～12, it is characterised in that:

The device that manufactures of described absorber has the fibrous material supply unit supplying described fibrous material to described passage,

Described passage extends to described rotating cylinder from described fibrous material supply unit, and the opening in the downstream of this passage covers the outer peripheral face in the described space being positioned at the described rotating cylinder maintaining into negative pressure.

14. the manufacture device of the absorber as according to any one of claim 1～13, it is characterised in that:

Described passage includes forming the top board of end face, forming the base plate of bottom surface and form the two side of two sides.

15. the manufacture device of the absorber as according to any one of claim 1～14, it is characterised in that:

The top board of described passage includes being positioned at the upstream side top plate portion of upstream side and being positioned at the downstream top plate portion in downstream,

The base plate of described passage includes being positioned at the upstream side base plate of upstream side and being positioned at the downstream base plate in downstream,

The width of described upstream side top plate portion and described upstream side base plate goes to become narrow gradually from upstream side downstream side, and the width of described downstream top plate portion and described downstream base plate goes as necessarily from upstream side downstream side,

Described downstream top plate portion and the width of described downstream base plate are the width identical with the width of described upstream side top plate portion and the position being positioned at most downstream side of described upstream side base plate.

16. the manufacture device of the absorber as described in claims 14 or 15, it is characterised in that:

In the interval of the top board of described passage and the base plate of described passage, interval between upstream side top plate portion and upstream side base plate is configured to necessarily, goes to broaden gradually from this upstream side top plate portion and this upstream side base plate to the outer peripheral face of described rotating cylinder in the interval of downstream top plate portion and downstream base plate.

17. the manufacture device of the absorber as according to any one of claim 14～16, it is characterised in that:

It is configured with described absorbent particles to the polymer dispersed pipe of supply in this passage at the top board of described passage.

18. the manufacture device of absorber as claimed in claim 17, it is characterised in that:

Described polymer dispersed pipe is configured at the end in the downstream of the upstream side top plate portion of the top board constituting described passage.

19. the manufacture device of the absorber as described in claim 17 or 18, it is characterised in that:

The base plate of described passage includes being positioned at the upstream side base plate of upstream side and being positioned at the downstream base plate in downstream, and this upstream side base plate configures obliquely,

Described upstream side base plate configures in the way of the lower end of described polymer dispersed pipe is located thereon on the extended line on surface, and this upstream side base plate forms the mechanism making described fibrous material concentrate on dispersion zone.

20. the manufacture device of the absorber as according to any one of claim 17～19, it is characterised in that:

Described passage has the restriction supply dividing plate to the flow direction of its internal described absorbent particles,

The mode of the end that described polymer dispersed Guan Yiqi lower end is positioned at the upstream side of described dividing plate configures.

21. the manufacture device of absorber as claimed in claim 20, it is characterised in that:

Described upstream side base plate configures in the way of the end of the upstream side of described dividing plate is located thereon on the extended line on surface, and this upstream side base plate forms the mechanism making described fibrous material concentrate on dispersion zone.

22. the manufacture device of the absorber as described in claim 20 or 21, it is characterised in that:

In described dispersion zone, the area of section of the described stream in the end of the lower end of described polymer dispersed pipe or the upstream side of described dividing plate is formed minimum.

23. the manufacture device of the absorber as according to any one of claim 19～22, it is characterised in that:

Interval between described upstream side top plate portion and described upstream side base plate is gone to become narrow gradually to described dispersion zone.

24. the manufacture device of the absorber as according to any one of claim 14～23, it is characterised in that:

In described channel interior, the upstream side in described dispersion zone has the rectification guiding piece of the flow direction correcting described fibrous material,

Described rectification guiding piece is positioned at the upstream side top plate portion of the top board of described passage and the upstream side base plate of the base plate of described passage, extends from the upper surface downstream side of the upstream side base plate of the base plate of described passage in the two side of this passage.

25. the manufacture device of the absorber as according to any one of claim 1～24, it is characterised in that:

Described absorber is the absorber used in absorbent commodity, and this absorbent commodity is at least any of in disposable diaper, sanitary napkin or incontinence protection.

26. the manufacture method of an absorber, it is characterised in that:

Employ the manufacture device of absorber according to any one of claim 1～25.