CN103403239A - Process for making absorbent component - Google Patents
Process for making absorbent component Download PDFInfo
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- CN103403239A CN103403239A CN2012800116967A CN201280011696A CN103403239A CN 103403239 A CN103403239 A CN 103403239A CN 2012800116967 A CN2012800116967 A CN 2012800116967A CN 201280011696 A CN201280011696 A CN 201280011696A CN 103403239 A CN103403239 A CN 103403239A
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- clamping
- cutting mechanism
- clamping claw
- fibre
- material sheets
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G1/00—Severing continuous filaments or long fibres, e.g. stapling
- D01G1/02—Severing continuous filaments or long fibres, e.g. stapling to form staple fibres not delivered in strand form
- D01G1/04—Severing continuous filaments or long fibres, e.g. stapling to form staple fibres not delivered in strand form by cutting
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Sampling And Sample Adjustment (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Abstract
A process for making an absorbent component comprises the steps of providing individual sheets of fibrous material, conveying the individual sheets of fibrous material to a cutting edge of a cutting mechanism, feeding the individual sheets of fibrous material through an oscillating clamping gap formed between a clamping mechanism and the cutting mechanism, grinding the individual sheets of fibrous material to form fibrous shreds, and laying the fibrous shreds on a forming belt to form the absorbent component.
Description
Technical field
The disclosure relates to a kind of method for the preparation of absorbent assembly such as absorbent core.This absorbent assembly can be used for absorbent articles such as sanitary napkins, diaper, adult incontinence product etc.
Background technology
Generally known, in order with the air lay method, to manufacture absorbent assembly, preliminary election produces fiber used in the method and fibre debris by fibrous material such as the paper pulp of milling.It should be noted that natural fabric such as those that made by cellulose are by the web manufacture of the type.Describedly mill and pulverize preferably and carry out in being called as hammer-mill, wherein fibrous material being fed on the cutting blade of lateral alignment of cutting mechanism, and wherein being arranged in a plurality of on rotating cylinder and impacting the end that element impacts the fibrous material that is projected on cutting blade.
In the process of the absorbent assembly that is formed for absorbent article, the fibrous material that provides with roll form is provided usually, this allows to carry out can be with the continuation method of relative two-forty operation.Yet, with the fibrous material that provides with each sheet-form, to compare, the fibrous material that can provide with roll form is limited, thereby has limited the type that can be used to for the preparation of the fibrous material of the absorbent assembly of absorbent article.
Although compare with the roller form, can provide more eurypalynous fibrous material by each sheet-form, but each fibre material sheets is difficult to use in the commercial-scale continuation method for the preparation of absorbent assembly, because be difficult to the mass flow that keeps constant, this is owing to when each sheet material, being sent to separately in hammer-mill so that while milling, and between described each sheet material, is tending towards forming gap.
For milling with the apparatus and method of pulverized fiber material, be known, for example, can recognize from DE2245819A1.In this known device, cutting blade is formed in housing by the fluting entrance, and described packaging shell has a plurality of rotating cylinder main bodys that impact element.In the method, impact element and be advanced the inner of slit and stay narrow gap, make the rotating cylinder main body that the fibrous material that enters is rotated mill.The device of the type has shortcoming as large as next: if use is the fibrous material of relative resilient, produce the fibre debris of irregular.Because fibrous material has elasticity, so the fracture of fibrous material mainly occurs in outside cutting blade.
Therefore, in the prior art, a kind of following method and apparatus is known, utilizes described method and apparatus, and fibrous material is fixed by the additional clamp mechanism in the cutting blade zone.This known method and known unit describe are in EP0386017B1.Fibrous material is fed to the cutting blade to cutting mechanism herein.Clamp mechanism is arranged to and the cutting mechanism short distance, and described clamp mechanism is characterised in that two relative clamping claws on the lower surface that is clamped in fibrous material and upper surface.In clamping claw one is designed to movable, thereby this causes fibrous material clamped in the swing mode.Therefore, this has increased the additional stability of fibrous material during milling.
Yet, these known method and apparatus have a large shortcoming thus, because the time point that the clamped time point of fibrous material and fibrous material are milled must synchronized with each otherly limit the fibre debris of size and keep constant mass flow in order to obtain in continuation method.In addition, owing between designed cutting mechanism and clamp mechanism, having interval, utilize this known method and apparatus also can not produce superfine little fibre debris.
Therefore still need to provide a kind of improved method for the preparation of absorbent assembly, especially utilize each fibre material sheets to prepare these absorbent assemblies with continuation method.
Summary of the invention
The present invention relates to a kind of each fibre material sheets of utilizing and carry out the method for preparation example as the absorbent assembly for absorbent article.Described each fibre material sheets is fed the clamping gap that passes between clamp mechanism and cutting mechanism, and described clamping gap is designed to swing, and wherein clamp mechanism is directed to and does to clamp back and forth motion with respect to cutting mechanism.
Method of the present invention can be utilized a kind of as lower device, and wherein clamp mechanism and cutting mechanism are arranged in flat clamping toward each other in order to form clamping gap, and wherein clamp mechanism can be directed to and do to clamp back and forth motion with respect to cutting mechanism.
The accompanying drawing explanation
Fig. 1 is the schematic diagram according to method of the present disclosure.
Fig. 2 is the schematic diagram for another embodiment of the device according to method of the present disclosure.
Fig. 3 is the schematic cross sectional views for another embodiment of the device according to method of the present disclosure.
Fig. 4 is the schematic plan view of embodiment in Fig. 3.
Fig. 5 is the schematic cross sectional views of the clamp mechanism of embodiment in Fig. 3.
Fig. 6 is the schematic cross sectional views of the driving shaft of the embodiment of clamp mechanism in Fig. 5.
Fig. 7 is the schematic diagram according to the other side of method of the present disclosure.
The specific embodiment
The disclosure relates to a kind of method that each fibre material sheets by being milled into fibre debris prepares absorbent assembly such as absorbent core material.The disclosure has following certain benefits thus: the constant mass flow that fibre debris is provided, when utilizing each fibre material sheets, be also even so, because the gap between each sheet material is eliminated or has minimized before the step of milling in the method for the invention and during described step.
In addition, during milling, described each fibre material sheets directly is fixed on the cutting blade place of cutting mechanism.Therefore, fibrous material can be milled into superfine little fibre debris equably.This has prevented that material from producing the fracture that does not limit outside cutting blade.
About according to the method for preparing absorbent assembly of the present disclosure, fibrous material is that the form with each sheet material provides, and they are provided as stack (or bundle) of each sheet material usually.Described each sheet material usually can have approximately 0.5 to approximately 5 millimeters thickness, approximately 250 to approximately 1200 millimeters width and approximately 500 to the about height of 1000 millimeters.Each fibre material sheets stack the commercially available for example GP Cellulose/Alabama River that derives from, Mercer International,
With Stora Enso.
The fibrous material that is applicable to this paper is contained the fiber of number of different types and their mixture.Fibrous material can comprise natural fabric, includes but not limited to cotton, wood pulp (such as kraft pulp cork or the hardwood of bleaching), flax, hemp, mud coal liver moss, abaca, bamboo, eucalyptus, bagasse, silkweed fine hair, wheat stalk, mestha and artificial silk.
Stacking of each fibre material sheets can be loaded in the sheet material feeding machine.The sheet material feeding machine is designed to provide the without interruption of each fibre material sheets, such as by flatly transmitting the sheet material that is vertically oriented, realizing.The delivery rate of sheet material feeding machine can be relevant to downstream and feeds speed and be controlled.The commercially available for example Lenzing Technik(paper pulp sheet material feeding machine BLZT750VZ that derives from of sheet material feeding machine).
The sheet material feeding machine can be fed each single fibre material sheets to the sheet material trap.The sheet material trap can be transferred to conveyer belt by each single sheet material, makes on conveyer belt, between adjacent each sheet material, does not have gap or only has minimum gap.
Conveyer belt is sent to described each fibre material sheets for described each fibre material sheets being milled into to the cutting mechanism of fibre debris.
Cutting mechanism and clamp mechanism act on fibrous material in a flat clamping, make fibrous material in the cutting blade zone, be fixed thereon on surface and its lower surface.Depend on placement direction, cutting blade can form on the upper surface or lower surface of fibrous material.Therefore, clamp mechanism will be disposed on the lower surface or upper surface of fibrous material.
In order to keep continuation method, make to be milled fiber and show best fiber quality (although fibrous material is clamped) uniformly, the modification of the method is especially preferred, and wherein fibrous material also is transmitted by the motion of feeding of clamp mechanism with respect to cutting mechanism.Advantageously, fibrous material can not exist therein clamping mutually in advanced continuously.
In order to carry out according to modification of the present disclosure, according to the another kind of modification of device of the present disclosure, be characterised in that a kind of mechanical links, clamp mechanism is directed to by described mechanical links in order to carry out the stack ahead running.Therefore, the multi-motion free degree at clamp mechanism place can be produced by driver.
For the material of the best uniform that guarantees fibrous material is fed and consistent clamping, can preferably use this changing method, wherein fibrous material is clamped in clamping gap by the clamping claw of a plurality of activities of the clamp mechanism relative with cutting mechanism, and wherein many clamping claws are by parallel and many clamping claws are synchronously moved asynchronously.Therefore, the clamping campaign of clamping claw and ahead running can be carried out by mobile asynchronously clamping claw.Synchronously mobile clamping claw (they are advantageously spread on the width of clamping gap) has guaranteed fixation and the cutting blade place of cutting mechanism milling continuously to fibrous material.
According to device of the present disclosure, be characterised in that a kind of cutting mechanism for this purpose with a plurality of clamping claws, described a plurality of clamping claw can be moved in parallel, wherein clamping claw is divided into many driver elements, and wherein the clamping claw of adjacent driven unit can be moved asynchronously, and the clamping claw of in driver element can synchronously be moved.Clamping claw is divided into to a plurality of driver elements and has following certain benefits: the interaction of ahead running and clamping motion can produce equably and be distributed on the width of fibrous material.Therefore, the great working width of fibrous material also can advantageously be milled into fibre debris.
In order to produce the uniform motion of fibrous material, the modification of method of the present disclosure is especially favourable, and wherein each in the clamping claw of clamp mechanism is moved in order to clamp and transmit fibrous material on oval path of navigation.Therefore, clamping claw can be realized cyclic motion, and fibrous material can be subject to continuous propelling in clamping gap under described cyclic motion.Herein, the ahead running of clamping claw has determined described oval-shaped length basically.
Therefore, another favourable modification of device according to the present disclosure, be designed such that with the mechanical attachment of clamping claw driver each in the clamping claw of clamp mechanism all can move on oval path of navigation.
Fiber (wherein fibrous material and fibre debris are at every turn all not identical) in order to produce scheduled volume in time per unit, also make the motion of the clamping claw of clamp mechanism be produced by the Power Available Shaft with controllable electric motor.Therefore, can easily via the control of the rotary speed to the driving shaft input speed, regulate the actual ahead running of fibrous material.
In order to carry out the modification according to method of the present disclosure, the modification of device of the present disclosure is characterised in that a kind of driving shaft that is connected to mechanical links, and described mechanical links is connected to controllable electric motor and controller.Driving shaft and therefore mechanical links can with predetermined rotary speed, operate with controller and electro-motor.
For the different fibrous material of can milling, preferably use the following modification of the method, the specific thicknesses that is wherein fibrous material by the spacing setting by clamp mechanism is regulated the clamping gap between cutting mechanism and clamp mechanism.Therefore, it should be noted that and can regulate the clamping force that acts on fibrous material, make together with fixation, it is also possible in clamping gap, advancing fibrous material.
For by the fibrous material segmentation, a kind of modification of the method is especially favourable, wherein fibrous material impacts the element segmentation at the cutting blade place of cutting mechanism by a plurality of, and the described element that impacts is attached to the rotation rotating cylinder, described rotation rotating cylinder with cutting blade short distance process apart.Therefore, also can produce the fiber fines fragment, wherein fibrous material feed the motion be relative high-speed motion.Can operate and impact element with the relatively high frequency that impacts of the cutting blade with respect to cutting mechanism.
In order in pressing close to the clamping gap of cutting blade, to transmit fibrous material, preferably another favourable modification of device according to the present disclosure designs the clamping claw of clamp mechanism, and wherein clamping claw is characterised in that targeting part and holder part.Herein, the knife plate that the holder part of clamping claw is parallel to the cutting blade that forms cutting mechanism extends, yet wherein the targeting part of clamping claw is by a plurality of teeth parts that are pivotally connected to mechanical links.
One in these teeth parts is preferably designed to be connecting rod, and described connecting rod is connected to driving shaft via eccentric disk, and via the described clamping claw that is pivotally connected to.This advantageously allows to produce at the clamping claw place and swings ahead running.In the method, stack clamps motion and advantageously via cam disc, is transferred to clamping claw, and described cam disc cooperates with guide surface in the guide part office of clamping claw.
For the line of motion that keeps clamping claw is aligned in clamping gap, the targeting part that also makes clamping claw is pivotally connected in a plurality of slide blocks via another on a front end, and one in described slide block is directed on guide rail.
Clamping claw advantageously is designed to rod, makes a clamp ends on holder part towards the front end of targeting part.In this respect, in order to regulate clamping gap, the guide rail bracket of slide block is located in Height Adjustable guide supporting part, the height of described support member determines clamp ends of clamping claw and the distance between knife plate.
According to method of the present disclosure, with according to device of the present disclosure, being particularly useful for, relatively with high evenness, from fibrous material, produce superfine little fiber rapidly.Therefore, the fibre debris that produces is particularly useful for being laid immediately as fiber mat after milling.
Fibre debris can be transferred to forming head, and is routed to subsequently on forming belt to form absorbent assembly.Fibre debris is blowed to forming head from hit agency via air-flow usually, and is set on forming belt by the forming screen net laying of forming head, thereby forms absorbent assembly.
Gained absorbent assembly such as absorbent core material can have approximately 50 to approximately 1000 g/ms, and preferably approximately 60 to approximately 800 g/ms, more preferably approximately 70 to the about basic weight of 700 g/ms.
The gained absorbent assembly can be incorporated into absorbent article subsequently such as in diaper or feminine hygiene products, comprises adult incontinence products and such as tampon, sanitary napkin, panty liner, interlabial product etc. of product in menstrual period.In one aspect, the invention still further relates to the absorbent article that comprises top flat, egative film and the absorbent assembly between them, this absorbent assembly is prepared according to the methods of the invention.
According to method of the present disclosure, be preferably a kind of continuation method.This continuation method is normally carried out with relatively high speed.This continuation method can following speed be carried out: at least about 2 meters fibrous materials/minute, preferably at least about 10 meters fibrous materials/minute, more preferably at least about 20 meters fibrous materials/minute.
According to the method for the preparation of absorbent assembly of the present disclosure, be preferably a kind of air lay method.
Method of the present disclosure has also contained following method, wherein utilizes the forming head more than to form absorbent assembly, such as two or three independent forming heads.
Method of the present disclosure has also contained following method, wherein utilizes more than a cutting mechanism fibre debris is offered to single forming head, such as every forming head, has two, three or four cutting mechanisms.
Hereinafter by means of according to many embodiment of the present disclosure, also understanding in more detail by reference to the accompanying drawings the disclosure.
In Fig. 1, schematically show be used to each fibre material sheets of milling to form the method for absorbent assembly.Described each fibre material sheets 13 is provided as to be loaded into and on sheet material feeding machine 55, stacks 50.Sheet material feeding machine 55 feeds described each fibre material sheets 13 to sheet material trap 60, and described sheet material trap aligns described each fibre material sheets 13 be transferred to conveyer belt 65.
Described each fibre material sheets 13 is transferred into fixing cutting mechanism 1 on conveyer belt 65, on a free end of described cutting mechanism, form cutting blade 3.In this embodiment, cutting mechanism 1 is designed to knife plate 2, on a free end of described knife plate, forms cutting blade 3.Knife plate 2 is disposed on plate support 4.
What with cutting mechanism 1, be associated is hit agency 5, and described hit agency is oriented to and cutting blade 3 short distance.In this embodiment, hit agency 5 is formed by rotating cylinder 7 and a plurality of element 6 that impacts, described a plurality of impacting around the circumference that element is arranged in rotating cylinder 7 equably.Impact element 6 and moved on the guide plane of rotation by rotating cylinder 7, with cutting blade 3 short distance of cutting mechanism 1.
Feeding the 14(of mechanism is advanced to fibre material sheets 13 in the clamping gap 10 between cutting mechanism 1 and clamp mechanism 8 by it) be disposed on cutting mechanism 1, be positioned on a side relative with hit agency 5.Feed mechanism 14 and be designed to two power and feed rotating cylinder 15, they act on the fibre material sheets 13 in the conveyer gap.
According to of the present disclosure for carrying out the embodiment according to the device of the method for the fibrous material of milling of the present disclosure shown in Figure 1, fibre material sheets 13 is fed in cutting mechanism 1 via feeding rotating cylinder 15 when initial.Fibre material sheets 13 is fed and is passed clamping gap 10 towards hit agency 5.Herein, the free end of fibre material sheets 13 smashes and is milled into fragment continuously by the element 6 that impacts that is positioned on rotating cylinder 7.For what the best that obtains fibre debris limited, reduce and decompose, towards the clamp mechanism 8 of cutting blade 3, being swung back and forth, making fibrous material clamp and be fixed by swing, in clamping gap 10, pressing close to cutting blade 3., by the predetermined clamping frequency of fixture driver 11, can impact Frequency Synchronization with the driver by rotating cylinder 7 is determined herein, make to impact element 6 and in grip conditions, always impact the free end of fibrous material 13.Therein clamping claw 9 by Linear actuator, led and do heterodromous mutually in, the free end of fibrous material 13 is reorientated by the propelling of feeding mechanism 14.In this respect, carried out the continuation method be used to the fibrous material of milling.
Fig. 2 schematically shows for carrying out another embodiment according to device of the present disclosure according to the method be used to the strand sample fibrous material of milling of the present disclosure with cross section.Cutting mechanism 1 in this embodiment and the design of hit agency 5 are identical with those in above-described embodiment, make for this purpose without explaining again, and can be with reference to above description.
Equally, clamp mechanism 8 is the form of clamping claw 9, and it is formed for the clamping gap 10 of anchoring fiber material piece 13 together with knife plate 12.In the embodiment shown in Figure 2, fixture driver 11 is characterised in that driving shaft 17 and mechanical links 16, and wherein in these teeth parts is connected to clamping claw 9.Mechanical links 16 is connected to driving shaft 17 and clamping claw 9 via these teeth parts 18, makes clamping claw 9 except clamping motion, also carry out the stack ahead running.Therefore, clamping claw 9 is directed on the oval path of navigation 20 with respect to knife plate 2.Therefore, the clamped fibers material piece 13 in clamping gap 10, the oscillating motion of clamping claw 9 causes the propelling of material simultaneously.With the clamping frequency of fixture driver 11, compare, can operate hit agency 5 by the higher frequency that impacts.
In order to realize basically consistent clamping and consistent feeding to fibrous material 13, preferably in the embodiment shown in Figure 2 a plurality of clamping claws 9 are arranged side by side in abreast in working width and by the separate machine connector and drive, wherein the adjacent mechanical links of clamping claw is driven one by one.
The fixture driver that is used for the clamp mechanism of the type illustrates in greater detail hereinafter in the embodiment according to device of the present disclosure of Fig. 3 and Fig. 4.In Fig. 3, with schematic cross sectional views, show this embodiment; And, in Fig. 4, with schematic plan, illustrate this embodiment.For one in these figure, following the description is applicable to this two figure if not clearly.
Shown in Figure 3 is particularly useful for larger working width for carrying out according to the embodiment according to device of the present disclosure of the method be used to the strand sample fibrous material of milling of the present disclosure.
In the embodiment shown in Fig. 3 and 4, hit agency 5 is disposed in housing 21, thereby hit agency is and has a plurality of forms that impact the power rotating cylinder 7 of element 6, and the described element that impacts is radially given prominence on the circumference of rotating cylinder 7.The end of rotating cylinder 7 is rotatably installed in housing 21, and one of them end is connected to rotating cylinder driver 36.
On a side of housing 21, housing slit 22 is parallel to rotating cylinder 7 and extends.The knife plate 2 of cutting mechanism 1 is positioned in housing slit 22, and its cutting blade 3 inwardly is projected in housing 21.The cutting blade 3 of knife plate 2 ends at and impacts element 6 short distance apart.Herein, knife plate 2 is preferably designed to be adjustable, in order to can set cutting blade and impact the gap of the restriction between element 6.
In housing slit 22, a plurality of clamping claws 9 that can be individually movable are disposed in knife plate 2 places.Clamping claw 9 be designed to identical and each all be connected to fixture driver 11.
In order to further illustrate fixture driver 11, also with reference to Fig. 5 and 6.The schematic cross sectional views of fixture driver 11 is illustrated in Fig. 5.Fig. 6 shows the schematic cross sectional views of the driving shaft of the fixture driver in Fig. 5.For one in these figure, following the description is applicable to this two figure if not clearly.
Clamping claw 9 is what be arranged side by side abreast, and each all is connected to fixture driver 11 independently.Described each clamping claw 9 was illustrated in describing of Fig. 5 clearly with being connected of fixture driver 11.In this respect, clamping claw 9 is described in greater detail in hereinafter with at first using the example of in clamping claw 9 being connected of fixture driver 11.Clamping claw 9 is designed to rod, and its holder part 24 is projected in housing slit 22.Together with relative knife plate 2, the holder part 24 of clamping claw 9 forms clamping gap 10.The holder part 24 of clamping claw 9 is characterised in that the clamp ends 31 that extends to cutting blade 3.
Clamping claw 9 is connected to fixture driver 11 via targeting part 25.Targeting part 25 and holder part 24 are designed to integral piece in this embodiment.
In this embodiment, fixture driver 11 is formed by the mechanical links 16 with a plurality of teeth parts 18 equally, and described a plurality of teeth parts are driven via driving shaft 17.This produces stack via mechanical links 16 at clamping claw 9 places and clamps motion and ahead running.Therefore, holder part 24 is guided on oval path of navigation 20 in the swing mode.In order to start the ahead running at clamping claw 9 places, the targeting part 25 of clamping claw 9 is connected to driving shaft 17 via connecting rod 26 and eccentric disk 27.Eccentric disk 27 is fixed to driving shaft 17.Connecting rod 26 is via the targeting part 25 of pivot 19.1 gripper jaws 9.This allows to produce the ahead running that basically is vertically oriented of clamping claw 9.
In this example, by the cam disc 28 on the periphery of driving shaft 17, obtain stack and clamp motion, described cam disc acts on the guide surface 37 of targeting part 25.Cam disc 28 is fixed to driving shaft 17.Due to the cause of the design of cam disc 28, clamping claw 9 can basically be led back and forth and be done the clamping campaign of horizontal alignment.
For holder part 24 can be moved linearly with the ahead running for clamping claw 9, slide block 29 is arranged on the front end 30 of targeting part 25, described front end is connected to the targeting part 25 of clamping claw 9 via another pivot 19.2.Slide block 29 moves along guide rail 32, and described guide rail is positioned on guide supporting part 33.
Height Adjustable guide supporting part 33 is suspended in frame 34.In this embodiment, guide supporting part 33 is carried on the diagonal surface of frame 34, and wherein the position of guide supporting part 33 can be changed by means of governor motion 40.In addition, the gap between holder part 24 and knife plate 2 is regulated and is limited by the height of guide supporting part 33, makes clamping gap 10 to regulate by regulating guide rail 32.
As especially be found in the illustration in Fig. 6, clamping claw 9 arranges abreast, and they are divided into a plurality of driver elements that operated one by one by driving shaft 17.By way of example, Fig. 6 shows two driver elements 35.1 for clamping claw 9 and 35.2 for this purpose.Each in driver element 35.1 and 35.2 formed by the clamping claw 9 of three adjacency respectively.The clamping claw 9 of the one in driver element 35.1 or 35.2 is synchronously driven via eccentric disk 27 and the cam disc 28 of correspondence.On the contrary, the adjacent clamping claw 9 of adjacent driven unit 35.2 is driven one by one, makes the clamping claw 9 of driver element 35.2 and the clamping claw 9 of driver element 35.1 move asynchronously.For this purpose, corresponding eccentric disk 27 and cam disc 28 they skew the position, angle of certain delay angle be attached to the circumference of driving shaft 17.Therefore, described a plurality of clamping claws 9 can be divided into a plurality of driver elements that are distributed on working width, make fibrous material be fixed and are transmitted.
As being found in the illustration in Fig. 4, the driving shaft 17 of fixture driver 11 is driven by electro-motor 38 and controller 39.Driving shaft 17 can be driven with various rotary speeies via controller 39 and electro-motor 38, makes that to feed and clamp frequency ad infinitum variable., clamp the frequency that impacts that frequency is independent of hit agency 5 herein, because continuous fixation mainly exists across the working width of fibrous material.
The embodiment according to device of the present disclosure shown in use, can advantageously be milled into tiny fiber and fragment by the fibrous material of various width, thickness or density.The fixing also clamped fibers material of cutting blade of pressing close to cutting mechanism has prevented from being produced by hit agency larger, the extremity piece that do not limit of fibrous material.Therefore, the combination of cutting mechanism and clamp mechanism makes fibrous material can be milled into evenly and the fragment that limits.Particularly, this allows each fibre material sheets of processing.
As shown in Figure 7, after fibre material sheets 13 is milled into fibre debris 80 by hit agency 5, fibre debris 80 by the air-flow in housing 21 shown in the direction blowing up deliver to forming head 70.Forming head 70 comprises that agitator 90 is to mix in heterogeneity and to distribute fibre debris 80 in forming head 70.Then forming head 70 is routed on forming belt 75 fibre debris 80 to form absorbent assembly 85 by the shaping screen cloth 95 of forming head 70.Randomly below forming belt 75, comprising that vacuum tank 100 pulls down to fibre debris 80 on forming belt 75 and by absorbent assembly 85 and remains on forming belt 75 with help.
Reference list:
1 cutting mechanism
2 knife plates
3 cutting blades
4 plate supports
5 hit agencies
6 impact element
7 rotating cylinders
8 clamp mechanism
9 clamping claws
10 clamping gaps
11 fixture drivers
12 Linear actuators
13 fibre material sheets
14 feed mechanism
15 feed rotating cylinder
16 mechanical links
17 driving shafts
18 teeth parts
19,19.1,19.2 pivots
20 oval path of navigation
21 housings
22 housing slits
23 fiber outlets
24 holder parts
25 targeting parts
26 connecting rods
27 eccentric disks
28 cam discs
29 slide blocks
30 front ends
31 clamp ends
32 guide rails
33 guide supporting parts
34 frames
35.1,35.2 driver elements
36 rotating cylinder drivers
37 guide surfaces
38 electro-motors
39 controllers
40 governor motions
Stacking of 50 each fibre material sheets
55 sheet material feeding machines
60 sheet material traps
65 conveyer belts
70 forming heads
75 forming belts
80 fibre debriss
85 absorbent assembly fiber webs
90 agitators
95 shaping screen clothes
100 vacuum tanks
Dimension disclosed herein and numerical value should not be understood to be strictly limited to described exact numerical values recited.On the contrary, except as otherwise noted, each above-mentioned dimension is intended to represent described value and near the function equivalent scope of this value.For example, disclosed dimension " 40mm " is intended to expression " about 40mm ".
Claims (15)
1. method for the preparation of absorbent assembly comprises the following steps:
Each fibre material sheets is provided;
Described each fibre material sheets is sent to the cutting blade of cutting mechanism, wherein at least one the movable hit agency be used to the described fibrous material of milling cooperates with described cutting mechanism, and wherein movable clamp mechanism is disposed in described cutting mechanism place, thereby clamps described each fibre material sheets in the swing mode;
Described each fibre material sheets is fed and is passed in the swing clamping gap that forms between described clamp mechanism and described cutting mechanism, and wherein said clamp mechanism is moved and does to clamp back and forth motion with respect to described cutting mechanism;
Described each fibre material sheets of milling is to form fibre debris; And
Described fibre debris is laid on forming belt to form described absorbent assembly.
2. method according to claim 1, wherein said each fibre material sheets is transmitted by the ahead running of described clamp mechanism with respect to described cutting mechanism.
According to claim 1 and 2 in the described method of any one, the clamping of wherein said each fibre material sheets realizes in described clamping gap by the clamping claw of a plurality of activities of the described clamp mechanism relative with described cutting mechanism, wherein many described clamping claws are moved asynchronously side by side, and wherein many described clamping claws are synchronously moved side by side.
4. method according to claim 3, wherein all be moved for each of the clamping claw of the described clamp mechanism that clamps and transmit fibrous material on oval path of navigation.
5. the described method of any one according to claim 3 or 4, the motion of the clamping claw of wherein said clamp mechanism is produced by the Power Available Shaft with controllable electric motor.
6. according to the described method of any one in aforementioned claim, the respective thickness that wherein is set as described each fibre material sheets by the gap by described clamp mechanism is regulated the described clamping gap between described cutting mechanism and described clamp mechanism.
7. according to the described method of any one in aforementioned claim, wherein in described each fibre material sheets at the cutting blade place of described cutting mechanism, by a plurality of elements that impact that are positioned on the rotation rotating cylinder, milled, described a plurality of elements that impact are to be moved with the short distance apart of described cutting blade.
8. the described method of any one according to claim 3-7, wherein said clamping claw is characterised in that holder part and targeting part, because the holder part of described clamping claw is oriented to the knife plate that is parallel to the cutting blade that forms described cutting mechanism, and the targeting part of described clamping claw is by a plurality of teeth parts that are pivotally connected to described mechanical links.
9. method according to claim 8, the targeting part of wherein said clamping claw is connected in a plurality of slide blocks, and described a plurality of slide blocks are moved by another pivot on front end along guide rail.
10. method according to claim 9, wherein attached by Height Adjustable guide supporting part for the guide rail of described slide block, the gap between the holder part of wherein said clamping claw and the knife plate of described cutting mechanism can be regulated by regulating described guide rail.
11. according to the described method of any one in aforementioned claim, wherein said each fibre material sheets is transferred into described cutting mechanism on conveyer belt, wherein, on described conveyer belt, between adjacent each fibre material sheets, does not have gap.
12. according to the described method of any one in aforementioned claim, wherein said fibre debris is transferred to forming head, described forming head is routed to described fibre debris on described forming belt.
13. according to the described method of any one in aforementioned claim, wherein said method for at least about 2 meters fibrous materials/minute the speed continuation method of carrying out.
14. according to the described method of any one in aforementioned claim, wherein said absorbent assembly has approximately 50 to the about basic weight of 1000 g/ms.
15. an absorbent article, comprise top flat, egative film and the absorbent assembly between them, described absorbent assembly is according to the described preparation of any one in aforementioned claim.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011013216 | 2011-03-05 | ||
| DE102011013216.3 | 2011-03-05 | ||
| PCT/US2012/027680 WO2012122084A1 (en) | 2011-03-05 | 2012-03-05 | Process for making absorbent component |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103403239A true CN103403239A (en) | 2013-11-20 |
| CN103403239B CN103403239B (en) | 2015-12-23 |
Family
ID=45852746
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280011696.7A Expired - Fee Related CN103403239B (en) | 2011-03-05 | 2012-03-05 | For the preparation of the method for absorbent assembly |
| CN201280011719.4A Expired - Fee Related CN103415656B (en) | 2011-03-05 | 2012-03-05 | For the method and apparatus of strand sample fibrous material of milling |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280011719.4A Expired - Fee Related CN103415656B (en) | 2011-03-05 | 2012-03-05 | For the method and apparatus of strand sample fibrous material of milling |
Country Status (4)
| Country | Link |
|---|---|
| EP (2) | EP2683860B1 (en) |
| CN (2) | CN103403239B (en) |
| BR (2) | BR112013020814A2 (en) |
| WO (2) | WO2012122084A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9032576B2 (en) | 2012-12-19 | 2015-05-19 | Newton Medical, Llc | Apparatus with elliptical movement for microdermabrasion and topical delivery of treatments |
| CN105327753B (en) * | 2015-11-16 | 2018-05-01 | 宁波威塔瑞新材料科技有限公司 | A kind of carbon fiber fishing rod waste material crusher |
| JP2020015026A (en) * | 2018-07-27 | 2020-01-30 | セイコーエプソン株式会社 | Shredder and sheet manufacturing device |
| CN111070285A (en) * | 2019-12-31 | 2020-04-28 | 佛山景日自动化科技有限公司 | Electric control system of automatic spinning processing device |
| CN114405620A (en) * | 2022-01-24 | 2022-04-29 | 盐城市华阜服饰玩具有限公司 | Production of plush toy is with feed comminution device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB771624A (en) * | 1954-12-17 | 1957-04-03 | William Felton | Improvements in or relating to cutting devices for cutting continuous lengths of yarn or thread |
| GB1121848A (en) * | 1964-11-03 | 1968-07-31 | Pierret Hubert | Shears intended in particular for cutting textile fibre waste, nylon threads and thelike |
| DE1660286A1 (en) * | 1966-09-08 | 1971-01-14 | Eastman Kodak Co | Method and device for cutting up strip or strand material |
| BE1000675A3 (en) * | 1987-10-02 | 1989-03-07 | Pierret Hubert | Method for training in fiber and fiber cutter cutter for the implementation of this method. |
| CN101082175A (en) * | 2007-06-06 | 2007-12-05 | 刘成志 | Yarn cutting machine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3825194A (en) | 1971-09-22 | 1974-07-23 | Procter & Gamble | Apparatus for preparing airfelt |
| JPS63175124A (en) * | 1986-12-29 | 1988-07-19 | Nitto Boseki Co Ltd | Roving feed device for chopper gun |
| CN2122866U (en) * | 1992-04-01 | 1992-11-25 | 石首市第一纺织机械厂 | Fibre cutter |
| FR2876392B1 (en) * | 2004-10-07 | 2006-12-15 | Saint Gobain Vetrotex | SYSTEM FOR THE MANUFACTURE OF CUTTING WIRES |
-
2012
- 2012-03-05 CN CN201280011696.7A patent/CN103403239B/en not_active Expired - Fee Related
- 2012-03-05 CN CN201280011719.4A patent/CN103415656B/en not_active Expired - Fee Related
- 2012-03-05 BR BR112013020814A patent/BR112013020814A2/en not_active IP Right Cessation
- 2012-03-05 EP EP20120709457 patent/EP2683860B1/en not_active Not-in-force
- 2012-03-05 BR BR112013020815A patent/BR112013020815A2/en not_active IP Right Cessation
- 2012-03-05 EP EP20120710603 patent/EP2683861B1/en active Active
- 2012-03-05 WO PCT/US2012/027680 patent/WO2012122084A1/en active Application Filing
- 2012-03-05 WO PCT/US2012/027678 patent/WO2012122083A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB771624A (en) * | 1954-12-17 | 1957-04-03 | William Felton | Improvements in or relating to cutting devices for cutting continuous lengths of yarn or thread |
| GB1121848A (en) * | 1964-11-03 | 1968-07-31 | Pierret Hubert | Shears intended in particular for cutting textile fibre waste, nylon threads and thelike |
| DE1660286A1 (en) * | 1966-09-08 | 1971-01-14 | Eastman Kodak Co | Method and device for cutting up strip or strand material |
| BE1000675A3 (en) * | 1987-10-02 | 1989-03-07 | Pierret Hubert | Method for training in fiber and fiber cutter cutter for the implementation of this method. |
| CN101082175A (en) * | 2007-06-06 | 2007-12-05 | 刘成志 | Yarn cutting machine |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2683861B1 (en) | 2015-04-29 |
| WO2012122083A1 (en) | 2012-09-13 |
| CN103403239B (en) | 2015-12-23 |
| EP2683861A1 (en) | 2014-01-15 |
| EP2683860A1 (en) | 2014-01-15 |
| EP2683860B1 (en) | 2015-04-29 |
| BR112013020814A2 (en) | 2016-10-04 |
| CN103415656A (en) | 2013-11-27 |
| CN103415656B (en) | 2016-01-20 |
| WO2012122084A1 (en) | 2012-09-13 |
| BR112013020815A2 (en) | 2016-10-18 |
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Granted publication date: 20151223 Termination date: 20180305 |