CN1646765A - Press belts and shoe press device using the belts - Google Patents
Press belts and shoe press device using the belts Download PDFInfo
- Publication number
- CN1646765A CN1646765A CNA038090236A CN03809023A CN1646765A CN 1646765 A CN1646765 A CN 1646765A CN A038090236 A CNA038090236 A CN A038090236A CN 03809023 A CN03809023 A CN 03809023A CN 1646765 A CN1646765 A CN 1646765A
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- China
- Prior art keywords
- expelling belt
- pressurised zone
- elastic layer
- belt
- press
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000463 material Substances 0.000 claims abstract description 48
- 230000002093 peripheral effect Effects 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 20
- 239000013536 elastomeric material Substances 0.000 claims description 17
- 230000002787 reinforcement Effects 0.000 claims description 17
- 238000011282 treatment Methods 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 abstract 2
- 230000007423 decrease Effects 0.000 abstract 1
- 239000013013 elastic material Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 86
- 239000000835 fiber Substances 0.000 description 18
- 239000004744 fabric Substances 0.000 description 12
- 238000005470 impregnation Methods 0.000 description 11
- 238000005728 strengthening Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000009941 weaving Methods 0.000 description 7
- 229920001971 elastomer Polymers 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000005060 rubber Substances 0.000 description 6
- -1 polypropylene Polymers 0.000 description 5
- 230000018044 dehydration Effects 0.000 description 4
- 238000006297 dehydration reaction Methods 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 229920003051 synthetic elastomer Polymers 0.000 description 3
- 229920002994 synthetic fiber Polymers 0.000 description 3
- 239000005061 synthetic rubber Substances 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical class OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000004760 aramid Substances 0.000 description 2
- 229920003235 aromatic polyamide Polymers 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- 229920002955 Art silk Polymers 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 208000034189 Sclerosis Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229920000800 acrylic rubber Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- KSBOQWWDFBYHGC-UHFFFAOYSA-N butylbenzene ethene Chemical group C=C.C(CCC)C1=CC=CC=C1 KSBOQWWDFBYHGC-UHFFFAOYSA-N 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- OQRWAMBQGTYSRD-UHFFFAOYSA-N dipotassium;oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[K+].[K+].[Ti+4].[Ti+4].[Ti+4].[Ti+4] OQRWAMBQGTYSRD-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 229920005558 epichlorohydrin rubber Polymers 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 125000001153 fluoro group Chemical class F* 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 229920003049 isoprene rubber Polymers 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- JFNLZVQOOSMTJK-KNVOCYPGSA-N norbornene Chemical compound C1[C@@H]2CC[C@H]1C=C2 JFNLZVQOOSMTJK-KNVOCYPGSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F3/00—Press section of machines for making continuous webs of paper
- D21F3/02—Wet presses
- D21F3/0209—Wet presses with extended press nip
- D21F3/0218—Shoe presses
- D21F3/0227—Belts or sleeves therefor
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F3/00—Press section of machines for making continuous webs of paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F3/00—Press section of machines for making continuous webs of paper
- D21F3/02—Wet presses
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F7/00—Other details of machines for making continuous webs of paper
- D21F7/08—Felts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
Landscapes
- Paper (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Press Drives And Press Lines (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
Press belts (11; 21; 31; 41; 51; 61; 71; 81) used for press-treating a band-shaped material and a shoe press device using the belts, the press belts endlessly formed of an elastic material characterized in that a thickness gradually decreases starting at pressurizing area center parts (C1; C2; C3; C4; C5; C6; C7) toward pressurizing area end parts (A1, A1'; A2, A2'; A3, A3'; A4, A4'; A5, A5'; A6, A6'; A7, A7'); the shoe press device comprising at least the press belts, a pressurizing shoe (82) for applying a pressure to the press belts, and a pressure regulating means (83) for regulating the pressure of the pressurizing shoe, whereby a uniform pressure can be applied to the band-like material to be pressurized.
Description
Technical field
The present invention relates to the shoe-press device that in the various industry such as paper industry, magnetic recording medium process industry, fiber industry strip material carried out the used expelling belt of pressurized treatments and used this band.
Background technology
In the various industry, the pressurized treatments of strip material is used expelling belt.For example, in the dehydration squeezing of paper industry, popularize so-called shoe-press.So-called shoe-press, briefly, finger with pressure roller etc. push the pressurization object be strip material (l Water Paper) simultaneously, and another side utilizes expelling belt to add the pressure shoes pressurization by what keep Rack in direction of travel, thereby strip material (l Water Paper) is carried out pressurized treatments (processed).The roll-in of squeezing with two rollers gives the pressurization object additional wire pressure, in contrast to this, is expert at and keeps the width of regulation in the direction because of adding pressure shoes with shoe-press, can apply planar pressure to the object that pressurizes.Therefore, can become big to the clamping width when adopting shoe-press to dewater squeezing, favourable part is to improve dewatering efficiency.Expelling belt can adopt thermmohardening polyamine lipid elastomeric material to form endless belt.In recent years, in paper industry and magnetic recording medium process industry, even in the level and smooth strip material surface and the wheel load operation of polishing, in order to improve the quality of goods such as paper or magnetic recording medium, without roll-in or and use roll-in, inquire into use band press or with the wheel load processing of the expelling belt of above-mentioned same so-called shoe-press.Furthermore, inquire in paper industry, when special high speed is copied paper, before and after preventing to press folder, produce break paper and the stable l Water Paper of carrying, shift the same pressure zone of use.
Fig. 9 represents to make a routine mode sectional drawing of the used device of shoe-press in the past 100 of paper industry dehydration squeezing.In Fig. 9, be transferred at pressure roller 104 with between being with 105 at the l Water Paper 103 of clamping between top expelling belt 101 and the bottom press band 102, and utilize pressure roller 104 and dewater with the pressure that forms between 105.Two ends with 105 utilize the bearing fixing at supporter 108 both ends of not rotating on the disk 109 of support free to rotate.With 105 with the rotation of pressure roller 104 interlock, and adding the driven rotation of sliding on the pressure shoes 106.Wherein, by exerting pressure for pressurised zone A-A ' with 105 pressure shoes 106 that add that are provided with below, this pressure is adjusted by the oil pressure size that is injected in the hydraulic cylinder 107 by supporter 108, and this hydraulic cylinder 107 is arranged on the bottom that adds pressure shoes 106.
But, in above-mentioned shoe-press device 100, have the so-called problem that can not exert pressure to l Water Paper 103 whole homogeneous.That is to say, because of supporter 108 is metal and large-scale, under the suppressing action of its deadweight affix pressure roller 104, supporter 108a is such as shown in figure 10, near the deflection pressurised zone central portion C, the pressure of pressure ratio pressurised zone end A, the A ' of pressurised zone central portion C is little, causes from pressurised zone central portion C to being with 105 sharply abrasion near pressurised zone end A, the A ', and this is to bring out pressurised zone end A, A ' to locate with 105 damaged and with the reason of 105 losts of life.Though what life termination can more renew is with 105, owing to the 105 large-scale bands that are of a size of wide 2～15m, girth 1～30m, be not easy to change, and cost labour and time.In addition, though the dehydration squeezing generally is being with 105 outer surfaces to form rhone with expelling belt 105, in case be with 105 pressurised zone end A, A ' abrasion, the l Water Paper 103 of pressurised zone end A, A ' vicinity just can not have good dewatering.Pressure heterogeneity or dewatering heterogeneity between pressurised zone central portion C and pressurised zone end A, the A ' probably descend because of break paper and paper intensity heterogeneity cause quality in the papermaking operation.
In view of the foregoing, the object of the present invention is to provide to be that strip material applies the expelling belt of homogeneous pressure and the shoe-press device of this band of use to the pressurization object.The shoe-press device of the expelling belt that another object of the present invention is to provide and this band of use can wear away the life-span of improving expelling belt by preventing the expelling belt heterogeneity, and reduce the frequency of changing expelling belt, reduces the cost that spends in the squeezing process.
Summary of the invention
In order to achieve the above object, the present invention is the expelling belt that is used for the strip material pressurized treatments, it is characterized in that, this expelling belt forms ring-type by elastomeric material, and from the pressurised zone central portion to the pressurised zone end portion thickness decrescence.
Wherein, in the expelling belt of the present invention, can adopt convex curve shape, linearity, the step-like and trapezoidal shape from above-mentioned pressurised zone central portion to above-mentioned pressurised zone end portion thickness and to select at least a method decrescence.
Expelling belt of the present invention comprises the tubular annular to be strengthened base material, be positioned at first elastic layer of strengthening the base material outer peripheral face and be positioned at second elastic layer of strengthening the base material inner peripheral surface, and the thickness of first elastic layer can be from belt for shoe press pressurised zone central portion to the pressurised zone end decrescence.
Expelling belt of the present invention comprises the tubular annular to be strengthened base material, be positioned at first elastic layer of strengthening the base material outer peripheral face and be positioned at second elastic layer of strengthening the base material inner peripheral surface, and the thickness of second elastic layer can be from belt for shoe press pressurised zone central portion to the pressurised zone end decrescence.
In the expelling belt of the present invention, the difference of above-mentioned pressurised zone central portion thickness and above-mentioned pressurised zone end thickness can be 2～30% of an above-mentioned pressurised zone central portion thickness.
Expelling belt of the present invention is the paper grade (stock) expelling belt preferably.
Expelling belt of the present invention is belt for shoe press preferably.
Feature of the present invention also is, the pressure adjustmenting mechanism that adds pressure shoes, the pressure that adds pressure shoes is adjusted that the shoe-press device has above-mentioned belt for shoe press at least, give that above-mentioned belt for shoe press exerts pressure.
Brief Description Of Drawings
Fig. 1 is the shoe-press belt mode sectional drawing of embodiment 1;
Fig. 2 is the shoe-press belt mode sectional drawing of embodiment 2;
Fig. 3 is the shoe-press belt mode sectional drawing of embodiment 3;
Fig. 4 is the shoe-press belt mode sectional drawing of embodiment 4;
Fig. 5 is the shoe-press belt mode sectional drawing of embodiment 5;
Fig. 6 is the shoe-press belt mode sectional drawing of embodiment 6;
Fig. 7 is the shoe-press belt mode sectional drawing of embodiment 7;
Fig. 8 is the mode sectional drawing of shoe-press device one example of the present invention;
Fig. 9 is the mode sectional drawing of shoe-press device one example in the past;
Figure 10 is near a routine mode sectional drawing of shoe-press device supporter deflection pressurised zone central authorities in the past;
The specific embodiment
Below, shoe-press belt embodiment of the present invention is described.
Fig. 1 is the mode sectional drawing that expression shoe-press belt one example of the present invention is the shoe-press belt 11 of embodiment 1.In the shoe-press belt 11 of embodiment 1, strengthen first elastic layer 13 of base material outer peripheral face and be arranged between second elastic layer 14 of inner peripheral surface being arranged at tubular annular, the enhancement Layer 12 of the flexible material of impregnation in above-mentioned reinforcement base material is being set, and the elastomeric material of impregnation in the reinforcement base material of first elastic layer 13 and second elastic layer 14 and enhancement Layer 12 is integral.Wherein, shoe-press belt 11 is large-scale bands, and its general size is wide 2～15m, girth 1～30m, thick 2～10mm.
As shown in Figure 1, above-mentioned expelling belt 11 characteristics are, from pressurised zone A
1-A
1' in the pressurised zone central portion C of first elastic layer 13
1To pressurised zone end A
1And A
1', the thickness of first elastic layer 13 is decrescence.This is because the inventor finds the pressurised zone end A of expelling belt 11
1And A
1' the pressure ratio pressurised zone central portion C that bears
1Height, and find, if form above-mentioned expelling belt 11, can relax the roll gap pressure heterogeneity that expelling belt 11 and expelling belt 11 tops are provided with.Wherein, pressurised zone end A
1And A
1' position is apart from expelling belt 11 integral width end D
1Or D
1' length only be expelling belt 11 integral width D
1D
1' 0.1～10.0%, pressurised zone central portion C
1Be positioned at pressurised zone A
1-A
1' the center.In addition, except pressurised zone A
1-A
1' in addition, there is no particular limitation to the shape of expelling belt 11.
The pressurised zone central portion thickness C of above-mentioned expelling belt 11
1C
1' and pressurised zone end thickness A
1B
1Poor (hereinafter referred to as " thickness difference ") can be pressurised zone central portion thickness C
1C
1' 2～30%, preferred 2～20%, more preferably 4～10%.Under the situation of thickness difference in this scope, can further improve the pressurization object is the homogeneity that strip material is exerted pressure.
As first elastic layer, 13 thickness method decrescence, there is not special pearl to limit, preferably to connect A
1-C
1-A
1' half interval contour form the convex curve shape mode decrescence.In this case, because of plus-pressure does not have the place of localized variation, can further improve the pressurization object is the homogeneity that strip material is exerted pressure.
Manufacture method as above-mentioned expelling belt 11 for example is following method, impregnation elastomeric material in strengthen the enhancement Layer 12 that base material constitutes by annular just, by making the sclerosis of this elastomeric material form first elastic layer 13 and second elastic layer 14, subsequently from the pressurised zone central portion C of first elastic layer 13
1To pressurised zone end A
1And A
1' with the thickness mode decrescence of first elastic layer 13 cut, grinding.
As the reinforcement base material of impregnation elastomeric material, for example can use and spin cloth or non-weaving cloth.As spinning cloth, for example can use the known in the past cloth that spins, as using triple spin even quadruple such as spins at the woven of multiple weaving.In this case, because woven space multipotency improves the impregnation degree of elastomeric material,, can prevent that interlayer is peeled off between elastomeric material and reinforcement base material because of the effect that can obtain between elastomeric material and the reinforcement base material to be completely fixed.As non-weaving cloth, the wet type non-weaving cloth that for example can adopt the dry type non-weaving cloth that manufacture methods such as hot sticky method, the sticking method of chemistry or vacuum method make and adopt adhesive binder fiber etc. to make, in addition, can adopt non-weaving cloth that manufacture methods such as the bundle method of spinning, spun-bond process, meltblown, needle point method or the sticking method of seam make etc.
As the material of above-mentioned woven or non-weaving cloth, can use more than one natural fabrics and/or more than one artificial fibres.As natural fabric, for example use fibers such as cotton, fiber crops, thin,tough silk or wool.As artificial fibre, for example use fibers such as artificial silk, polyesters, acrylic acid class, polypropylene class, polyethylene class, high molecular polyethylene class, polyethylene glycols, polyurethanes, polyamide-based, Wholly aromatic polyamide class, carbon element class, category of glass, metal species or fluorine class.
As elastomeric material, can use more than one rubber and/or more than one thermoplasticity synthetic rubber.As rubber, buttress rubber, natural rubber, butadiene rubber, isoprene rubber, chloroprene rubber, ethylene propylene rubber, butadiene-styrene rubber, butylbenzene ethylene rubber, acrylonitrile-butadiene rubber, poly-norbornene rubber, acrylic rubber, polyurethane rubber, silicone rubber, epichlorohydrin rubber etc. are for example arranged.As the thermoplasticity synthetic rubber, thermoplasticity synthetic rubber such as polystyrene type, polyene acids, polyesters, polyamide-based, polyvinyl chloride, polyurethanes are for example arranged.
In first elastic layer 13 He in second elastic layer 14, also can dispose the reinforcement filamentous.In this case, can improve the mechanical strength of shoe-press belt 11 of the present invention.As strengthening filamentous, for example can use above-mentioned more than one natural fabrics and/or more than one artificial fibres.Wherein, as strengthening filamentous, can from inorfil such as carbon fibre, glass fibre, boron fibre, aluminum fiber, potassium titanate fibre, silica fibre or Zirconium oxide fibre and organic fibers such as Wholly aromatic polyamide fiber, full-aromatic polyester fiber, high molecular polyethylene fiber, high strength polyvinyl alcohol fibre or high strength acrylic acid fiber, select more than one fiber.In this case, can further improve the mechanical strength of expelling belt 11 of the present invention.
Above-mentioned reinforcement filamentous can use shapes such as filaments bundles, silk, rove or rope.Strengthening filamentous can select single direction or multi-direction combination to be configured from Zhou Fangxiang, width and the tilted direction of expelling belt 11.
Embodiment 2
Fig. 2 is the mode sectional drawing that expression expelling belt one example of the present invention is the expelling belt 21 of embodiment 2.In the expelling belt 21 of embodiment 2, strengthen first elastic layer 23 of base material outer peripheral face and be arranged between second elastic layer 24 of inner peripheral surface enhancement Layer 22 is being set being arranged at tubular annular, and the elastomeric material of impregnation in the reinforcement base material of first elastic layer 23 and second elastic layer 24 and enhancement Layer 22 is integral.Wherein, shoe-press belt 21 characteristics of embodiment 2 are, from first elastic layer 23 and the common pressurised zone central portion C of second elastic layer 24
2And C
2' to separately pressurised zone end A
2, A
2', B
2, B
2' thickness decrescence.
In the expelling belt 21 of embodiment 2, connect the B in second elastic layer 24
2-C
2'-B
2' between curve also can form in above-mentioned convex curve shape mode.Other are identical with embodiment 1.
Embodiment 3
Fig. 3 is the mode sectional drawing that expression expelling belt one example of the present invention is the expelling belt 31 of embodiment 3.In the expelling belt 31 of embodiment 3, strengthen first elastic layer 33 of base material outer peripheral face and be arranged between second elastic layer 34 of inner peripheral surface enhancement Layer 32 is being set being arranged at tubular annular, and the elastomeric material of impregnation in the reinforcement base material of first elastic layer 33 and second elastic layer 34 and enhancement Layer 32 is integral.Wherein, the characteristics of the expelling belt 31 of embodiment 3 are that only second elastic layer 34 is from pressurised zone central portion C
3' to separately pressurised zone end B
3, B
3' thickness decrescence.
In the expelling belt 31 of embodiment 3, connect the B in second elastic layer 34
3-C
3'-B
3' between curve can form in above-mentioned convex curve shape mode.Other are identical with embodiment 1～2.
Embodiment 4
Fig. 4 is the mode sectional drawing that expression expelling belt one example of the present invention is the expelling belt 41 of embodiment 4.In the expelling belt 41 of embodiment 4, strengthen first elastic layer 43 of base material outer peripheral face and be arranged between second elastic layer 44 of inner peripheral surface enhancement Layer 42 is being set being arranged at tubular annular, and the elastomeric material of impregnation in the reinforcement base material of first elastic layer 43 and second elastic layer 44 and enhancement Layer 42 is integral.Wherein, expelling belt 41 characteristics of embodiment 4 are that the thickness of first elastic layer 43 is from pressurised zone central portion C
4To pressurised zone end A separately
4, A
4' as shown in Figure 4 linearity decrescence.In addition, in the expelling belt 41 of embodiment 4, not only first elastic layer 43 but also second elastic layer 44 also can be from pressurised zone central portion C
4' to separately pressurised zone end B
4, B
4' the thickness linearity decrescence.And also only the thickness linearity of second elastic layer 44 is decrescence.Other are identical with embodiment 1～3.
Embodiment 5
Fig. 5 is the mode sectional drawing that expression expelling belt one example of the present invention is the expelling belt 51 of embodiment 5.In the press belt 51 of embodiment 5, strengthen first elastic layer 53 of base material outer peripheral face and be arranged between second elastic layer 54 of inner peripheral surface enhancement Layer 52 is being set being arranged at tubular annular, and the elastomeric material of impregnation in the reinforcement base material of first elastic layer 53 and second elastic layer 54 and enhancement Layer 52 is integral.Wherein, the characteristics of the expelling belt 51 of embodiment 5 are that the thickness of first elastic layer 53 is from pressurised zone central portion C
5To pressurised zone end A separately
5And A
5' decrescence step-like as shown in Figure 5.Wherein, in the expelling belt 51 of embodiment 5, not only first elastic layer 53 but also second elastic layer 54 also can be from pressurised zone central portion C
5' to separately pressurised zone end B
5, B
5' thickness decrescence step-like.And also only the thickness of second elastic layer 54 is decrescence step-like.In addition, the number in above-mentioned stage, shape and the size in each stage itself, shape etc. are not particularly limited.Other are identical with embodiment 1～4.
Embodiment 6
Fig. 6 is the mode sectional drawing that expression expelling belt one example of the present invention is the expelling belt 61 of embodiment 6.In the press belt 61 of embodiment 6, strengthen first elastic layer 63 of base material outer peripheral face and be arranged between second elastic layer 64 of inner peripheral surface enhancement Layer 62 is being set being arranged at tubular annular, and the elastomeric material of impregnation in the reinforcement base material of first elastic layer 63 and second elastic layer 64 and enhancement Layer 62 is integral.Wherein, the characteristics of the expelling belt 61 of embodiment 6 are that the thickness of first elastic layer 63 is from pressurised zone central portion C
6To pressurised zone end A separately
6, A
6' trapezoidal shape decrescence.Wherein, so-called trapezoidal shape decrescence as shown in Figure 6, refers to that the thickness of first elastic layer 63 only keeps certain-length C in expelling belt 61 widths
6E
6, C
6E
6', subsequently, the thickness linearity is decrescence.In the expelling belt 61 of embodiment 6, not only first elastic layer 63 but also second elastic layer 64 are from pressurised zone central portion C
6' to separately pressurised zone end B
6, B
6' thickness C
6C
6' also can trapezoidal shape decrescence.And also only the thickness trapezoidal shape of second elastic layer 64 is decrescence.Wherein, above-mentioned C
6E
6Or C
6E
6' length be not particularly limited, can be C
6' B
6Or C preferably
6' B
6' length 3～90%.Other are identical with embodiment 1～5.
Embodiment 7
Fig. 7 is the mode sectional drawing that expression expelling belt one example of the present invention is the expelling belt 71 of embodiment 7.In the press belt 71 of embodiment 7, strengthen first elastic layer 73 of base material outer peripheral face and be arranged between second elastic layer 74 of inner peripheral surface enhancement Layer 72 is being set being arranged at tubular annular, and the elastomeric material of impregnation in the reinforcement base material of first elastic layer 73 and second elastic layer 74 and enhancement Layer 72 is integral.Wherein, the characteristics of the expelling belt 71 of embodiment 7 are that the thickness of first elastic layer 73 is from pressurised zone central portion C
7To pressurised zone end A separately
7, A
7' decrescence, simultaneously, form many rhones 75 at the outer surface of first elastic layer 73.The shape of this rhone 75, the degree of depth, number etc. are not particularly limited, but from pressurised zone central portion C
7To pressurised zone end A separately
7, A
7', the degree of depth of rhone 75 is preferably cumulative.And not only first elastic layer 73 but also second elastic layer 74 are from pressurised zone central portion C
7' to separately pressurised zone end B
7, B
7' thickness also can be decrescence.And also only the thickness of second elastic layer 74 is decrescence.Other are identical with embodiment 1～6.
In addition, in the expelling belt of embodiment 1～7, decrescence method can be identical at the left and right sides tape thickness apart from its pressurised zone central portion C-C ', also can be different.
In the expelling belt of above-mentioned embodiment 2 and embodiment 4～7, make under first elastic layer and the second elastic layer both sides thickness situation decrescence, first elastic layer can be identical with second elastic layer thickness method decrescence, also can be different.The expelling belt of embodiment 7, particularly as the paper grade (stock) expelling belt, can be suitable for wherein dewaters uses belt for shoe press.
In addition, as under the situation of paper grade (stock) expelling belt, with under the situation of belt for shoe press, in its first elastic layer, also can form rhone at the expelling belt of embodiment 1～6 in particular as dehydration.In addition, the expelling belt purposes of the present invention of above-mentioned embodiment 1～7 example explanation is not particularly limited, and can be suitable for to do in paper industry, magnetic recording medium process industry, the fiber industry etc. squeezing and band such as use with, transfer with, embossing with, roll.Special can being suitable for made belt for shoe press.
The shoe-press device
Shoe-press device of the present invention, the pressure adjustmenting mechanism that adds pressure shoes, the pressure that adds pressure shoes is adjusted that has above-mentioned expelling belt at least, exerts pressure to expelling belt.Wherein, as adding pressure shoes, for example can use known metal system plate body etc.As pressure adjustmenting mechanism, for example can use known hydraulic cylinder etc. in the past.
Fig. 8 represents the mode sectional drawing of shoe-press device 80 1 examples of the present invention.In Fig. 8, the bearing fixing of the two ends of expelling belt 81 by supporter 84 both ends of not rotating is on the metal rounding dish 85 of support free to rotate, belt for shoe press 81 is interlock with the rotation of the pressure roller of not shown side, and is adding the driven rotation of sliding on the pressure shoes 82.And metal system plate body adds pressure shoes 82, and to be arranged on pressure adjustmenting mechanism be on the hydraulic cylinder 83, and hydraulic cylinder 83 is arranged on the metal system supporter 84.The pressure adjustment that adds pressure shoes 82 is to be adjusted by the oil pressure size of giving hydraulic cylinder 83 by supporter 84.
By the strip material such as l Water Paper (not shown) that above-mentioned shoe-press device 80 is carried, implement pressurized treatments such as processed, calendering processing by adding the pressure that is forming between the pressure roller (not shown) of going up crowded expelling belt 81 on the pressure shoes 82 and pressing down.
Wherein, shoe-press device 80 of the present invention uses from the pressurised zone central portion to the pressurised zone end thickness expelling belt 81 decrescence.Therefore, even because of pressure roller (not shown) press down and supporter 84 deadweight supporters 84 pressurised zone central portions near deflection downwards, to strip material (not shown) applied pressure homogeneous in pressurised zone integral body, can improve the object product property of pressurized processing.
It all is illustration that embodiment disclosed herein is had a few, and should consider to be not limited thereto.Scope of the present invention is not the scope of above-mentioned explanation, but is represented by the scope of claim, and means and claim scope equalization, and refers to comprise all changes in the scope.
The industrial utilization possibility
The expelling belt of the invention described above, because of thickness from the pressurised zone central portion to the pressurised zone end decrescence, institute With, can prevent from improving expelling belt from the pressurised zone central portion near the rapid abrasion the pressurised zone end Life-span. In addition, concerning Shoe press, by improving the life-span of expelling belt, press because reducing to change Press the frequency of band, so, the cost that pressurized treatments spends can be reduced. In addition, according to the present invention, owing to press Press tape thickness from the pressurised zone central portion to the pressurised zone end decrescence, so can be to becoming the pressurization object Strip material integral body is carried out the homogeneous pressurized treatments, can improve the quality of squeezing object goods.
Claims (8)
1, a kind of expelling belt is the expelling belt (11,21,31,41,51,61,71,81) that is used for the strip material pressurized treatments, it is characterized in that, forms ring-type by elastomeric material, and, from pressurised zone central portion (C
1, C
2, C
3, C
4, C
5, C
6, C
7) to pressurised zone end (A
1, A
1'; A
2, A
2'; A
3, A
3'; A
4, A
4';
A5, A
5'; A
6, A
6'; A
7, A
7') thickness decrescence.
2, according to the expelling belt of claim 1 record, it is characterized in that, from pressurised zone central portion (C
1, C
2, C
3, C
4, C
5, C
6, C
7) to pressurised zone end (A
1, A
1'; A
2, A
2'; A
3, A
3'; A
4, A
4'; A
5, A
5'; A
6, A
6'; A
7, A
7') thickness, adopt in convex curve shape, linearity, the step-like and trapezoidal shape and select at least a method decrescence.
3, the expelling belt of putting down in writing according to claim 1, it is characterized in that, comprise tubular annular and strengthen base material (12,22,32,42,52,62,72), be positioned at first elastic layer (13,23,33,43,53,63,73) of aforementioned reinforcement base material outer peripheral face and be positioned at second elastic layer (14,24,34,44,54,64,74) of aforementioned reinforcement base material inner peripheral surface; The aforementioned first elastic layer thickness is from pressurised zone central portion (C
1, C
2, C
3, C
4, C
5, C
6, C
7) to pressurised zone end (A
1, A
1'; A
2, A
2'; A
3, A
3'; A
4, A
4'; A
5, A
5'; A
6, A
6'; A
7, A
7') decrescence.
4, the expelling belt of putting down in writing according to claim 1, it is characterized in that, comprise tubular annular and strengthen base material (12,22,32,42,52,62,72), be positioned at first elastic layer (13,23,33,43,53,63,73) of aforementioned reinforcement base material outer peripheral face and be positioned at second elastic layer (14,24,34,44,54,64,74) of aforementioned reinforcement base material inner peripheral surface; The aforementioned second elastic layer thickness is from pressurised zone central portion (C
1, C
2, C
3, C
4, C
5, C
6, C
7) to pressurised zone end (A
1, A
1'; A
2, A
2'; A
3, A
3'; A
4, A
4'; A
5, A
5'; A
6, A
6'; A
7, A
7') decrescence.
5, according to the expelling belt of claim 1 record, it is characterized in that aforementioned pressurised zone central portion thickness (C
1C
1', C
2C
2', C
3C
3', C
4C
4', C
5C
5', C
6C
6', C
7C
7') and aforementioned pressurised zone end thickness (A
1B
1, A
1' B
1'; A
2B
2, A
2' B
2'; A
3B
3, A
3' B
3'; A
4B
4, A
4' B
4'; A
5B
5, A
5' B
5'; A
6B
6, A
6' B
6'; A
7B
7, A
7' B
7') difference be 2～30% of aforementioned pressurised zone central portion thickness.
6, according to the expelling belt of claim 1 record, it is characterized in that aforementioned expelling belt (11,21,31,41,51,61,71,81) is the paper grade (stock) expelling belt.
7, according to the expelling belt of claim 1 record, it is characterized in that aforementioned expelling belt (11,21,31,41,51,61,71,81) is a belt for shoe press.
8, a kind of shoe-press device, it is characterized in that having the expelling belt (11,21,31,41,51,61,71,81) of claim 1 record, the pressure adjustmenting mechanism (83) that adds pressure shoes (82), the pressure that adds pressure shoes is adjusted of giving that aforementioned expelling belt exerts pressure at least.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP109544/2002 | 2002-04-11 | ||
| JP2002109544A JP3591833B2 (en) | 2002-04-11 | 2002-04-11 | Press belt and shoe press device using the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1646765A true CN1646765A (en) | 2005-07-27 |
Family
ID=28786586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA038090236A Pending CN1646765A (en) | 2002-04-11 | 2003-04-03 | Press belts and shoe press device using the belts |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20050145360A1 (en) |
| EP (1) | EP1502990A4 (en) |
| JP (1) | JP3591833B2 (en) |
| KR (1) | KR100612636B1 (en) |
| CN (1) | CN1646765A (en) |
| AU (1) | AU2003220976A1 (en) |
| CA (1) | CA2481472A1 (en) |
| WO (1) | WO2003085196A1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3795002B2 (en) * | 2002-10-04 | 2006-07-12 | ヤマウチ株式会社 | Elastic sleeve for shoe press, method for producing elastic sleeve for shoe press, and shoe press roll |
| JP2006274448A (en) * | 2005-03-04 | 2006-10-12 | Yamauchi Corp | Press belt and shoe press roll |
| JP2007217847A (en) * | 2006-02-14 | 2007-08-30 | Ichikawa Co Ltd | Belt for paper-making machine |
| US20070243360A1 (en) * | 2006-04-14 | 2007-10-18 | Antony Morton | Reinforcement of fabric edges |
| DE102007055864A1 (en) | 2007-12-19 | 2009-06-25 | Voith Patent Gmbh | Conveyor belt and method for its production |
| WO2009153318A1 (en) * | 2008-06-19 | 2009-12-23 | Teijin Aramid B.V. | Process for manufacturing polyolefin films |
| JP5731773B2 (en) * | 2010-09-02 | 2015-06-10 | ヤマウチ株式会社 | Press belt, shoe press roll, and method for manufacturing press belt |
| EP2584093A1 (en) * | 2011-10-20 | 2013-04-24 | Metso Paper Inc. | Arrangement in connection with a fiber web production line |
| FI20156030A (en) | 2015-12-30 | 2017-07-01 | Valmet Technologies Oy | Press band, long nip arrangement and method for producing a press band |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4330023A (en) * | 1980-08-18 | 1982-05-18 | Beloit Corporation | Extended nip press |
| US4973383A (en) * | 1989-08-11 | 1990-11-27 | Beloit Corporation | Bearing blanket for an extended nip press |
| DE4411620C2 (en) * | 1994-04-02 | 2001-05-31 | Voith Sulzer Papiermasch Gmbh | Press jacket and method for producing a press jacket |
| DE19652545B4 (en) * | 1996-12-17 | 2006-03-23 | Voith Sulzer Papiermaschinen Gmbh | Press roll for treating web-shaped goods |
| JPH1112975A (en) * | 1997-06-21 | 1999-01-19 | Ichikawa Woolen Textile Co Ltd | Belt for shoe press |
| JP3787458B2 (en) * | 1998-08-06 | 2006-06-21 | イチカワ株式会社 | Papermaking belt |
| DE19909739A1 (en) * | 1999-02-10 | 2000-08-17 | Voith Sulzer Papiertech Patent | Papermaking press section has flexible press blanket of shoe press unit with matching camber at press gap |
| JP3614793B2 (en) * | 2001-04-27 | 2005-01-26 | ヤマウチ株式会社 | Shoe press belt |
| JP2003049380A (en) * | 2001-07-31 | 2003-02-21 | Ichikawa Woolen Textile Co Ltd | Belt for shoe press |
-
2002
- 2002-04-11 JP JP2002109544A patent/JP3591833B2/en not_active Expired - Fee Related
-
2003
- 2003-04-03 CA CA002481472A patent/CA2481472A1/en not_active Abandoned
- 2003-04-03 EP EP03715753A patent/EP1502990A4/en not_active Withdrawn
- 2003-04-03 WO PCT/JP2003/004302 patent/WO2003085196A1/en not_active Application Discontinuation
- 2003-04-03 CN CNA038090236A patent/CN1646765A/en active Pending
- 2003-04-03 AU AU2003220976A patent/AU2003220976A1/en not_active Abandoned
- 2003-04-03 KR KR1020047016124A patent/KR100612636B1/en not_active IP Right Cessation
- 2003-04-03 US US10/510,517 patent/US20050145360A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| EP1502990A1 (en) | 2005-02-02 |
| JP2003306882A (en) | 2003-10-31 |
| US20050145360A1 (en) | 2005-07-07 |
| AU2003220976A1 (en) | 2003-10-20 |
| EP1502990A4 (en) | 2005-08-17 |
| JP3591833B2 (en) | 2004-11-24 |
| KR100612636B1 (en) | 2006-08-14 |
| CA2481472A1 (en) | 2003-10-16 |
| KR20040105239A (en) | 2004-12-14 |
| WO2003085196A1 (en) | 2003-10-16 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |