CN104385563A - Pressure roller and its making method - Google Patents
Pressure roller and its making method Download PDFInfo
- Publication number
- CN104385563A CN104385563A CN201410540616.8A CN201410540616A CN104385563A CN 104385563 A CN104385563 A CN 104385563A CN 201410540616 A CN201410540616 A CN 201410540616A CN 104385563 A CN104385563 A CN 104385563A
- Authority
- CN
- China
- Prior art keywords
- paper
- pressure roll
- pressure
- aramid
- roll
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/16—Straightening or flattening
- B29C53/18—Straightening or flattening of plates or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
- B31F1/36—Moistening and heating webs to facilitate mechanical deformation and drying deformed webs
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/10—Organic non-cellulose fibres
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolls And Other Rotary Bodies (AREA)
Abstract
The invention discloses a pressure roller and its making method. The pressure roller includes a center shaft, a cylinder, and a fixing device connected to two ends of the cylinder and having a flat with slits, the surface of the center shaft is provided with a layer of a high temperature resistant heat insulation material, and the cylinder is formed by superposing annular meta-aramid papers with a same area and with the center provided with holes on the center shaft in a radial direction. The aramid paper cylinder has the advantages of wear resistance, high temperature, ageing resistance, good dimensional stability, smaller density than metals, reduction of the inertia during running, and great improvement of the processing precision.
Description
Technical field
The present invention relates to a kind of pressure roll and preparation method thereof.
Background technology
Along with development that is economic and science and technology, a lot of industry such as protecting LCD screen film, printed substrate, paper, plastics all obtains very large development, the material of these industries all needs employing pressure roll and a warm-up mill with the use of realizing the smooth of material surface, existing pressure roll, mainly contain the alloy such as iron or steel make, the pressure roll of this metal material does not almost have resistivity for friction mechanism effect, therefore wears no resistance; The hardness of the alloy such as iron or steel is too large, immalleable, so can not slow down the pressure of roll body surface to film; Under the high temperature conditions, easily creep occurs, cause distortion, surface is softening, even melting, therefore non-refractory, poor dimensional stability, and the density of iron or steel is large, and when running up, inertia is large, easily waves, affects machining accuracy.
In order to solve the problem, Chinese patent CN201220340814.6 and CN201020217584.5 all relates to the pressure roll that a kind of metallic roll surface increases wearing layer, wherein CN201220340814.6 provides a kind of pressure roll setting up one deck composite layer on the surface of metallic roll body, solve conventional metals pressure roll surface abrasion resistance difference and inviscid problem, but this layer of composite layer non-refractory, can not be used in the industry such as film, plastics of needs heating.CN201020217584.5 discloses a kind of basic unit of seamless aluminium tubing, silica gel once had the pressure roll of Teflon with surface spraying, this pressure roll structure is complicated, cost is high and may occur the phenomenon of became uneven when spraying Teflon layer, the higher PET film of requirement on machining accuracy (English name: polyethylene terephthlalate can not be used for, PET) and ARM film (film of PET after surface treatment) be called for short:, and above-mentioned patent all adopts roll body made of iron, not only quality weight, carry and load and unload all very inconvenient, and it is yielding to be heated, in the running, inertia is large, rocking tendency is large, affect the flatness on processing of films surface.
The present invention intends the pressure roll proposing a kind of plastics on new materials, to overcome prior art Problems existing, thus is guided out the present invention's design.
Summary of the invention
In order to overcome the deficiencies in the prior art, the object of the invention is to provide a kind of pressure roll.It is simple that the pressure roll that the present invention makes has structure, and light weight is wear-resisting, high temperature resistant, ageing-resistant, the advantages such as good stability of the dimension.
The present invention seeks to be achieved through the following technical solutions:
A kind of pressure roll, comprise roll body and central shaft, it is characterized in that: described pressure roll includes roll body and is arranged on the central shaft of roll body, described roll body includes cylindrical shell and is connected to the metal plate fixture at cylindrical shell two ends, and described cylindrical shell is formed by stacking by infinite layers, paper that area is identical.
As a further improvement on the present invention, described fixture is metal plate fixture.The material of described metal plate fixture is iron or copper.
Further, described paper is natural wood pulp paper or polyimides paper (PI), polyparaphenylene's benzo dioxazole paper (PBO), p-aramid paper (PPTA) or meta-position aramid fiber paper (PMIA) synthetic fibre paper.Preferred paper is meta-position aramid fiber paper (PMIA) and p-aramid paper (PPTA).
Further, with porose annulus centered by the shape of described aramid paper, the diameter of centre bore is a bit larger tham or equals central shaft external diameter.
Further, the thickness of described aramid paper is 0.02-0.80mm, and diameter is 200-1000mm.
Further, the thickness of described aramid paper is 0.05-0.58mm, and diameter is 400-700mm.
Further, the surface of described central shaft is coated with one deck thermostable heat insulation material.
Further, described barrel lenght is for being greater than 0.5 meter.
Further, described aramid paper is the pressure roll density of cylindrical shell is 1.3-1.8g/mm
3, preferred 1.4-1.6g/mm
3;
Above-mentioned technical scheme can be obtained by following measure and improve further, first annular aramid paper is successively overlapped on center shaft, upper flat plate Electromagnetic Heating compressing tablet is pressed at the two ends of central shaft, after compressing tablet is heated, compressing tablet is ceaselessly interrupted the dynamic pressure applying 1.5-2.5t, aramid paper is superimposed together, after reaching suitable density, stop dynamic pressure, change into and be applied above 24h, the static pressure of 0.5-1.5t, that aramid paper is combined into seamless cylindrical shell, then, remove dull and stereotyped Electromagnetic Heating sheet, change metal plate fixture, aramid paper pressure roll can be obtained.It is 1.8-2.5t that preferential interruption applies dynamic pressure, and static pressure is 0.8-1.2t.Root diameter is the 30-450mm of bibliographical information, and material is steel and alloy thereof or copper, iron.
The invention has the beneficial effects as follows:
(1) this pressure roll structure is simple, long service life, convenient transport;
(2) cylindrical shell of aramid paper has high temperature resistant, ageing-resistant, good stability of the dimension and the little light weight of density ratio metal, is that inertia reduces, the precision of product to be processed is improved greatly in motion.The pressure roll structure provided is simple, when volume is identical, lightweight, convenient transport and handling.PET) and the large-scale production of ARM film (film of PET after surface treatment) and the new film such as brush wiring board (English name: polyethylene terephthlalate is called for short: to be suitable for the PETG film of the LCD screen of mobile phone, computer and TV etc.
(3) high temperature resistant heat insulation material of root surface further enhances the anti-flammability of this pressure roll, extends service life.
(4) barrel lenght is greater than mechanical performance and the stability that 0.5 meter also strengthens pressure roll ensureing that result of use better while.
Accompanying drawing explanation
Fig. 1 is the structural representation of pressure roll of the present invention; Wherein, 1. central shaft; 2. cylindrical shell; 3. metal plate fixing device; 4. high temperature resistant heat insulation layer.
Detailed description of the invention
Below by way of specific embodiment, technical scheme of the present invention is described in detail.
Pressure roll of the present invention shown in Fig. 1 is made up of central shaft 1 and roll body two large divisions, roll body is made up of the fixture 3 at cylindrical shell 2 and cylindrical shell two ends, the cylindrical shell that cylindrical shell 2 forms for aramid paper, preferred aramid paper is meta-position aramid fiber paper, annular with holes centered by preferred aramid paper shape, circular ring type center-hole diameter is more than or equal to central shaft external diameter, preferred, with the annular metal sheet of slit centered by metal plate fixture, the material of annular metal sheet is preferably iron or copper; Preferably, the root surface of described pressure roll is coated with one deck thermostable heat insulation material 4, and preferred described barrel lenght is for being greater than 0.5m.
Meta-position aramid fiber paper reason is selected to be: the most outstanding feature of meta-aramid is that resistance to elevated temperatures is good, can under 220 DEG C of high temperature Long-Time Service and not aging, its electric property and mechanical performance can to keep 10 years not aging, and excellent dimensional stability, 1% is only at the percent thermal shrinkage of about 250 DEG C, short time be exposed in 300 DEG C of high temperature also can not shrink, brittle, softening or melting, and the density of meta-position aramid fiber paper is only 1/6 of iron, therefore the roll body of same volume, the quality of meta-position aramid fiber paper is only 1/6 of iron.
The aramid paper cylindrical shell that the present invention mentions refers to the cylindrical shell made by this material of aramid paper; described aramid paper refers to a kind of High Performance Insulation material; the material selection meta-position aramid fiber paper of described cylindrical shell is optimum embodiment; if other forms of paper; as as described in paper be that natural wood pulp paper or polyimides paper, polyparaphenylene's benzo dioxazole paper, p-aramid paper etc. also can reach object of the present invention, also belong in protection scope of the present invention.
Embodiment 1
One deck thermostable heat insulation material (method that this step implementation method is well known to those skilled in the art is plated at root surface, affiliated heat-barrier material is also prior art, be not described further at this), then be 0.08mm by thickness, diameter is that the annular meta-position aramid fiber paper of 500mm successively overlaps on center shaft, upper flat plate Electromagnetic Heating sheet is pressed at the two ends of central shaft, heating plate is connected with outside heating controller, compressing tablet is heated, then on compressing tablet, be ceaselessly interrupted the dynamic pressure applying 2t, paper overlapped is combined, after the density of pressure roll reaches need of production, 24h is applied again on superimposed good paper, the static pressure of 1t, these paper are made to be combined into seamless cylindrical shell, obtained cylindrical shell is preferably the cylindrical tube of center with through hole, then, remove dull and stereotyped Electromagnetic Heating sheet, change metal plate fixing device, annular meta-aramid paper tube body is fixed on central shaft, meta-position aramid fiber paper pressure roll can be obtained.In addition, by regulating size and the time of dynamic pressure and static pressure, the meta-position aramid fiber paper pressure roll of different densities can also be prepared.Density is between 1.4-1.6g/mm
3between.
Embodiment 2
Pressure roll of the present invention is by central shaft 1 and the roll body that is made up of cylindrical shell 2 and two plate fixtures 3 of aramid paper, wherein, cylindrical shell 2 is mixed by the identical annular meta-position aramid fiber paper of diameter and annular p-aramid paper and forms, be specifically the thickness of 600mm by diameter be 0.13mm annular meta-position aramid fiber paper and thickness be that 0.08mm annular p-aramid paper alternately successively overlaps on center shaft mutually, upper flat plate Electromagnetic Heating compressing tablet is pressed at the two ends of central shaft, heating tablet forming is connected with outside heating controller, compressing tablet is heated, then on compressing tablet, be ceaselessly interrupted the dynamic pressure applying 2.2t, paper overlapped is combined, 30h is applied again on superimposed good cardboard, the static pressure of 1.2t, these paper are made to be combined into seamless cylindrical shell.Then, remove dull and stereotyped Electromagnetic Heating sheet, change metal plate fixture, by fixing on center shaft for the cylindrical shell be made up of annular meta-position aramid fiber paper and annular p-aramid paper, the pressure roll of meta-position aramid fiber paper and p-aramid paper mixing can be obtained.
Band porose annular aramid paper in aramid paper cylindrical shell Shi You center of the present invention is enclosed within central shaft radial direction and is successively formed by stacking; this annular aramid paper and stacked system are all optimum embodiments; described aramid paper also can rectangle, column type; even pulp form; also can by forming cylindrical shell in other modes such as winding, parcel, coatings on central shaft is longitudinal; in a word; allly can reach object of the present invention, all drop in protection scope of the present invention according to the equivalent transformation that Spirit Essence of the present invention does.
It should be noted last that: above embodiment is only illustrative rather than definitive thereof technical scheme of the present invention; although with reference to above-described embodiment to invention has been detailed description; those of ordinary skill in the art is to be understood that; still can modify to the present invention or convert on an equal basis; as long as belong to any modification or partial replacement not departing from the spirit and scope of the present invention, it all should be contained in claims of the present invention.
Claims (10)
1. a pressure roll, comprise roll body and central shaft, it is characterized in that: described pressure roll includes roll body and is arranged on the central shaft of roll body, described roll body includes cylindrical shell and is connected to the metal plate fixture at cylindrical shell two ends, and described cylindrical shell is formed by stacking by infinite layers, paper that area is identical.
2. a kind of pressure roll as claimed in claim 1, is characterized in that the material of described metal plate fixture is iron or copper.
3. pressure roll as claimed in claim 1, is characterized in that described paper is natural wood pulp paper or polyimides paper, polyparaphenylene's benzo dioxazole paper, p-aramid paper or meta-position aramid fiber paper synthetic fibre paper.
4. the pressure roll as described in claim 1 or 3, is characterized in that described paper is p-aramid paper or meta-position aramid fiber paper.
5. a kind of pressure roll as described in right 1 or 4, with porose annulus centered by the shape that it is characterized in that described aramid paper, the diameter of centre bore is a bit larger tham or equals central shaft external diameter.
6. a kind of pressure roll as claimed in claim 5, it is characterized in that the thickness of described aramid paper is 0.02-0.80mm, diameter is 200-1000mm.
7. a kind of pressure roll as claimed in claim 6, it is characterized in that the thickness of described aramid paper is 0.05-0.58mm, diameter is 400-700mm.
8. prepare the method for pressure roll as claimed in claim 1, aramid paper is it is characterized in that successively to overlap on center shaft, press upper flat plate Electromagnetic Heating sheet at the two ends of central shaft, the dynamic pressure that interruption compressing tablet after the heating not stopping apply is certain, paper is pressed together, and then apply the static pressure being less than dynamic pressure, make these paper be combined into seamless cylindrical shell, then, remove dull and stereotyped Electromagnetic Heating sheet, change metal plate fixture, aramid paper pressure roll can be obtained.
9. prepare the preparation method of pressure roll as claimed in claim 8, it is characterized in that the dynamic pressure of the interruption applied is 1.5-2.5t, static pressure is 0.5t-1.5t.
10. prepare the preparation method of pressure roll as claimed in claim 8, it is characterized in that:
1. the interruption dynamic pressure applied is 1.8-2.2t, and static pressure is 0.8-1.2t;
The density of the aramid paper pressure roll 2. made is 1.3-1.8g/m
3.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410540616.8A CN104385563A (en) | 2014-10-14 | 2014-10-14 | Pressure roller and its making method |
| JP2016554799A JP2017500521A (en) | 2014-10-14 | 2015-06-12 | Pressure roller and manufacturing method thereof |
| KR1020167019687A KR20160101148A (en) | 2014-10-14 | 2015-06-12 | Pressure roller and manufacturing method therefor |
| PCT/CN2015/081303 WO2016058399A1 (en) | 2014-10-14 | 2015-06-12 | Pressure roller and manufacturing method therefor |
| TW104124058A TWI614124B (en) | 2014-10-14 | 2015-07-24 | Method for preparing pressure roller |
| TW104211999U TWM516504U (en) | 2014-10-14 | 2015-07-24 | Pressure roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410540616.8A CN104385563A (en) | 2014-10-14 | 2014-10-14 | Pressure roller and its making method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104385563A true CN104385563A (en) | 2015-03-04 |
Family
ID=52603562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410540616.8A Pending CN104385563A (en) | 2014-10-14 | 2014-10-14 | Pressure roller and its making method |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2017500521A (en) |
| KR (1) | KR20160101148A (en) |
| CN (1) | CN104385563A (en) |
| WO (1) | WO2016058399A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016058399A1 (en) * | 2014-10-14 | 2016-04-21 | 圣欧芳纶（江苏）股份有限公司 | Pressure roller and manufacturing method therefor |
| CN106906686A (en) * | 2017-02-13 | 2017-06-30 | 嘉兴久科机械设备有限公司 | A kind of aramid paper paper calender roll and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204222174U (en) * | 2014-10-14 | 2015-03-25 | 圣欧芳纶（江苏）股份有限公司 | A kind of pressure roll |
| CN105082522A (en) * | 2014-05-16 | 2015-11-25 | 圣欧芳纶（江苏）股份有限公司 | Pressure roller and manufacturing method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5249377U (en) * | 1975-10-06 | 1977-04-08 | ||
| JPH0635009B2 (en) * | 1985-11-02 | 1994-05-11 | 株式会社興人 | Heat resistant roll |
| DE102012207095A1 (en) * | 2012-04-27 | 2013-10-31 | Voith Patent Gmbh | Roller and method for its production |
| CN104385563A (en) * | 2014-10-14 | 2015-03-04 | 圣欧芳纶（江苏）股份有限公司 | Pressure roller and its making method |
-
2014
- 2014-10-14 CN CN201410540616.8A patent/CN104385563A/en active Pending
-
2015
- 2015-06-12 KR KR1020167019687A patent/KR20160101148A/en not_active Application Discontinuation
- 2015-06-12 WO PCT/CN2015/081303 patent/WO2016058399A1/en active Application Filing
- 2015-06-12 JP JP2016554799A patent/JP2017500521A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105082522A (en) * | 2014-05-16 | 2015-11-25 | 圣欧芳纶（江苏）股份有限公司 | Pressure roller and manufacturing method thereof |
| CN204222174U (en) * | 2014-10-14 | 2015-03-25 | 圣欧芳纶（江苏）股份有限公司 | A kind of pressure roll |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016058399A1 (en) * | 2014-10-14 | 2016-04-21 | 圣欧芳纶（江苏）股份有限公司 | Pressure roller and manufacturing method therefor |
| CN106906686A (en) * | 2017-02-13 | 2017-06-30 | 嘉兴久科机械设备有限公司 | A kind of aramid paper paper calender roll and preparation method thereof |
| CN106906686B (en) * | 2017-02-13 | 2018-04-03 | 嘉兴久科机械设备有限公司 | A kind of aramid paper paper calender roll and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2017500521A (en) | 2017-01-05 |
| WO2016058399A1 (en) | 2016-04-21 |
| KR20160101148A (en) | 2016-08-24 |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150304 |
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| WD01 | Invention patent application deemed withdrawn after publication |