CN1063506C - Wire-cloth made of composite material for paper-making machine and its making method - Google Patents
Wire-cloth made of composite material for paper-making machine and its making method Download PDFInfo
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- CN1063506C CN1063506C CN95110371A CN95110371A CN1063506C CN 1063506 C CN1063506 C CN 1063506C CN 95110371 A CN95110371 A CN 95110371A CN 95110371 A CN95110371 A CN 95110371A CN 1063506 C CN1063506 C CN 1063506C
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Abstract
The present invention relates to a net cage made of composite materials for paper making machines, which is formed by a filter screen cylinder made of polymer composite materials and mixed composite materials, end plates, radials and a steel shaft, wherein the steel shaft among the end plates and the radials is provided with a shaft sleeve for positioning and fastening in order to ensure that the whole structure safely and stably rotates. In manufacturing, the filter screen cylinder is manufactured by a winding technology and a pulling and extruding technology, and the end plates and the radials are manufactured by a manual pasting technology and a cold pressing technology. A method of the net cage has the advantages of little machine work load, high production efficiency and production cost reduction. The net cage made of composite materials has the advantages of corrosion resistance, high intensity, good geometric accuracy, light weight, stable rotation and long service life.
Description
The present invention relates to pulp technology for making paper, specifically is that a kind of paper machine special use is copied paper pulp and its press filtration become the drum-type cylinder mould and the manufacture method thereof of paper.
Cylinder mould is one of crux parts of paper machine, and it should rotate in vat finishes continuous machine hand's preface, the external applied load of bearing rubber roller again, and the moisture with in the pressurization filtering paper pulp makes it become paper.Owing to contain corrosive ion in the paper pulp, iron and steel easily gets rusty and pollutes pure white paper, and bamboo and wood products is difficult to bear its desired working pressure, so cylinder mould is still used copper production so far, or for reducing cost, adopt copper and cast iron composite construction, the filter screen fixed support ring that is promptly contacted with paper pulp is still used copper production, and the steel plate that only play supporting role adopts the cast iron manufacturing.Because copper valency height, the cylinder mould machining amount is big, causes holding at high price of cylinder mould.Because cylinder mould is continuous operation under etching condition, service life is short, needs often to safeguard, just needs to change every 2-3.Therefore, the utmost point need be with resistant material for the copper production cylinder mould.
Task of the present invention is to overcome copper, the copper/existing shortcoming of cast iron cylinder mould, a kind of advanced composite material (ACM) cylinder mould is provided, and the manufacture method of wire-cloth made of composite material is provided.
Accompanying drawing 1: wire-cloth made of composite material structural representation
Among the figure 1, screen tube; 2, end plate; 3, disc; 4, steel axle; 5, axle sleeve; 6, screw
Wire-cloth made of composite material of the present invention comprises screen tube 1, end plate 2, disc 3, above-mentioned Parts are all used the polymer matrix composite manufacturing, and according to the operation technique requirement, screen tube also Can adopt the manufacturing of Polymers assorted fibre reinforced composite material. Above-mentioned three parts and steel axle 4 axle sleeves 5 assembling and make the patented product wire-cloth made of composite material. In order to improve the whole of cylinder mould Body rigidity, and make the stable connection of cylinder mould body and steel between centers reliable, between end plate and the disc The steel axle be provided with axle sleeve, can bring into play the location and be fastenedly connected double action.
The material of the multiple platform material cylinder mould of the present invention is polymer matrix composite, polymer-matrix hybrid composite, be with thermosetting resin, chemical assistant and glass fibre and fabric thereof, a kind of making in synthetic fiber and fabric thereof, carbon fiber and the fabric reinforcing material thereof, or strengthen with wherein fiber hybrid more than two kinds or two kinds and to make.
Above-described thermosetting resin can be a unsaturated polyester resin, epoxy resin, and a kind of or several resins in phenolic resins, the polyurethane is shared, or with the thermosetting resin of thermoplastic resin, modified rubber.
Above-mentioned glass fibre is medium-alkali glass fibre, alkali-free glass fibre, and its fabric has grid cloth, roving checked cloth.Synthetic fiber have polyester fiber, polyethylene fiber, polyamide fiber, polyformaldehyde fibre, polypropylene fibre, poly-tetrafluoro fiber, polyacrylonitrile fibre, polyvinyl chloride fibre, aramid fiber etc., its fabric has grid cloth, woven screen, and carbon fiber is that asphaltic base, acrylonitrile group fiber, its fabric have grid cloth, woven screen.
Its auxiliary agent has the used curing agent of thermosetting resin, promoter, flexibilizer, thixotropic agent etc.
Say that briefly the manufacture method of wire-cloth made of composite material of the present invention adopts the fiber winding process.The fiber pultrude process, hand is stuck with paste technology, and cold-press process combines, and different members adopts corresponding moulding process.Specifically, its end plate, disc adopt cold-press process, hand to stick with paste technology, and screen tube then adopts fiber winding, fiber pultrude process.The hole of screen tube be by the fiber pultrusion form be parallel to net tube central axis, be interwoven along evenly the distribute axial bars that is parallel to each other and the ring in the same way that is equally spaced perpendicular to the cylinder mould tube of fiber winding forming of cylinder mould tube circumference.Itself and the quantity of encircling, its mesh size that is constituted of sectional dimension, determine as calculated by the specification of cylinder mould, the size of bearing load, the intensity of used fiber, elastic modelling quantity, composite materials property that all its concrete process has two technical schemes of slightly having any different.
First technical scheme is: the external diameter of (a) pressing screen tube 1 is made end plate 2 moulds, presses internal diameter and makes disc 3 moulds, adopts the hand paste to combine with cold-press process then and makes composite end plate 2 disc 3 respectively; B clamps disc 3 end plates 2 location, radical with the vertical bar of designing and calculating gained filter screen cage is a foundation, and with even five equilibrium on its cylindrical, Milling Process goes out the groove that width is 3-8mm, its degree of depth is pressed cylinder mould intensity, Rigidity Calculation and is decided, and the trough line of each plate is made the inscribe diameter of a circle by benchmark and all equated; (c) end plate 2 disc 3 that process being fastenedly connected with steel axle 4 with axle sleeve 5 and slot milling location is sub-assembly, axle sleeve 5 usefulness screws 6 are fastening, (d) adopt pultrude process, with the glass fibre behind the continuous impregnation, synthetic fiber along the slot milling Control Shaft to the composite bar, equate with slot cross-section on the disc 3 until sectional area; (e) adopt winding process to combine again with pultrude process, with the centre distance between screen tube mesh two parallel rings is pitch, on above-mentioned manufactured axial bars cage, twine hoop composite helical one deck, and then on each axial bars pultrusion one deck, hoop twines one deck ... the two intersection is carried out, it is identical with the end plate diameter to twine overall diameter until it, promptly can be made into the mesh and the cylinder mould that can meet design requirement, [annotate: this step operation also can be earlier with fiber, assorted fibre twines through pultrusion and is compiled into cylinder mould, carries out even impregnation afterwards again in resin storage tank]; (f) cylinder mould is rotated further, and treats after the composite material solidification, evenly moves along the direction parallel with steel axle 4 with grinding stone, and the cylinder mould cylindrical is carried out grinding, correction, so that its out-of-roundness, roughness reach designing requirement, is finished product.
Second technical scheme is: (a) with external diameter design, the manufacturing combination formpiston of net tube external diameter as assembling die, the combination formpiston is made by 4 (or 6,8) crooked steel plate, is shaped as cylindric after its combination.Press radical, the number planing turning axial groove of annulus, the cannelure of mesh size, axial bars more on its outer surface, its width, the degree of depth are pressed the intensity, Rigidity Calculation of cylinder mould and are decided, the center line that two grooves intersect the square hole that is become is the cylinder mould hole dimension, notes with the trough line being that its diameter of inscribed circle that benchmark is done equates with the internal diameter of cylinder mould; (b) pultrusion by hand, the winding method, with the glass fibre behind the impregnation, synthetic fiber are laid along groove, and up to filling up groove, curing and demolding is promptly made filter press cloth; (c) adopt hand to stick with paste with cold-press process and make composite end plate 2, disc 3, the external diameter of end plate equates with the filter press cloth external diameter, and endplate projections partly equates with filter press cloth internal diameter, disc external diameter, between the external diameter of disc and filter press cloth internal diameter for movingly.(d) disc 3 and steel axle 4 sub-assemblies are packed in the screen tube 1, again two end plates are fitted thereon, adopt glue by, be spirally connected into sub-assembly, make the firm connection of three promptly make wire-cloth made of composite material.(f) rotate cylinder mould, along moving with steel axle 4 parallel directions, the cylinder mould cylindrical is carried out the grinding correction with grinding stone, so that its out-of-roundness, roughness reaches technical requirement on design, is finished product.
Accompanying drawing 2 is structural representations of combined type formpiston.
This mould is made of one cylindric four templates 7, template is the steel plate system by bending Become, be welded with tubule 8 in the middle of the every template 7, tubule 8 is by bolt 9 and extra heavy pipe 10 Connect, 10 of extra heavy pipes are welded on the stay pipe 12, and edge is welded with supporting plate between the template 7 11, with bolt 9 that each piece template is fastening. Set of molds dress up cylindric after, at its cylindrical Upper first car one circle makes it even, and then mills out required groove 13 by the designing requirement plane. During composite net tube demoulding after the moulding, unclamp all bolts and get final product.
Wire-cloth made of composite material of the present invention is owing to give full play to designing of composite property The property, adopt polymer matrix composite, hybrid composite manufacturing, can less expensive Mode realizes the needed every specification requirement of paper machine cylinder mould. Compared with prior art Have corrosion-resistantly, intensity height, rigidity are big, geometric accuracy is good, in light weight, rotate flexibly, Steadily, the advantage such as energy-conservation, be copper its service life, more than 2 times of copper/cast iron cylinder mould, Be the desirable renewal product of the existing cylinder mould of paper industry, and this manufacture method is produced effect The rate height, machining amount is little, can reduce its production cost.
Claims (3)
1, a kind of paper machine cylinder mould is made of screen tube, end plate, disc, steel axle, and feature of the present invention is that screen tube, end plate, disc all adopt polymer matrix composite, hybrid composite to make.
2, paper machine cylinder mould as claimed in claim 1 is characterized in that the steel axle between end plate and the disc is provided with the composite axle sleeve.
3, the paper machine as claimed in claim 1 manufacture method of cylinder mould, it is characterized in that making end plate, disc with hand paste, cold-press process, and on the assembly of being formed by end plate, disc and steel axle with glass fibre, synthetic fiber, carbon fiber hybrid, the mesh size that adopts pultrude process, hoop winding process to press institute's calculation requirement produces screen tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95110371A CN1063506C (en) | 1995-03-13 | 1995-03-13 | Wire-cloth made of composite material for paper-making machine and its making method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95110371A CN1063506C (en) | 1995-03-13 | 1995-03-13 | Wire-cloth made of composite material for paper-making machine and its making method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1131219A CN1131219A (en) | 1996-09-18 |
| CN1063506C true CN1063506C (en) | 2001-03-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN95110371A Expired - Fee Related CN1063506C (en) | 1995-03-13 | 1995-03-13 | Wire-cloth made of composite material for paper-making machine and its making method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1063506C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103050649B (en) * | 2012-12-18 | 2015-04-08 | 天津力神电池股份有限公司 | Gum dipping device for battery cover sealing ring of cylindrical lithium-ion battery |
| CN103556389A (en) * | 2013-10-31 | 2014-02-05 | 常熟市众望经纬编织造有限公司 | Knitted product with high wrinkle resistance |
| CN111648156A (en) * | 2020-07-27 | 2020-09-11 | 吴文华 | Cylinder mould for paper machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88100389A (en) * | 1988-02-05 | 1988-08-03 | 天津市第六人民造纸厂 | The improvement of Cylinder mould for paper making copper wire material used for winding |
| CN2054804U (en) * | 1989-07-31 | 1990-03-21 | 煤炭科学研究总院唐山分院 | Shaped-by-welding stainless steel paper machine net cage |
| WO1993008327A1 (en) * | 1991-10-25 | 1993-04-29 | Portals Limited | Method for making sheet materials and security paper |
| CN2192647Y (en) * | 1994-05-13 | 1995-03-22 | 李德春 | Plastic sheet type paper making machine round screen |
-
1995
- 1995-03-13 CN CN95110371A patent/CN1063506C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88100389A (en) * | 1988-02-05 | 1988-08-03 | 天津市第六人民造纸厂 | The improvement of Cylinder mould for paper making copper wire material used for winding |
| CN2054804U (en) * | 1989-07-31 | 1990-03-21 | 煤炭科学研究总院唐山分院 | Shaped-by-welding stainless steel paper machine net cage |
| WO1993008327A1 (en) * | 1991-10-25 | 1993-04-29 | Portals Limited | Method for making sheet materials and security paper |
| CN2192647Y (en) * | 1994-05-13 | 1995-03-22 | 李德春 | Plastic sheet type paper making machine round screen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1131219A (en) | 1996-09-18 |
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