CN109890733A - Feeding-in roll - Google Patents
Feeding-in roll Download PDFInfo
- Publication number
- CN109890733A CN109890733A CN201780051846.XA CN201780051846A CN109890733A CN 109890733 A CN109890733 A CN 109890733A CN 201780051846 A CN201780051846 A CN 201780051846A CN 109890733 A CN109890733 A CN 109890733A
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- CN
- China
- Prior art keywords
- elastomer layer
- foam hole
- feeding
- roll
- peripheral surface
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H3/00—Separating articles from piles
- B65H3/02—Separating articles from piles using friction forces between articles and separator
- B65H3/06—Rollers or like rotary separators
- B65H3/0638—Construction of the rollers or like rotary separators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H27/00—Special constructions, e.g. surface features, of feed or guide rollers for webs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H3/00—Separating articles from piles
- B65H3/02—Separating articles from piles using friction forces between articles and separator
- B65H3/06—Rollers or like rotary separators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H5/00—Feeding articles separated from piles; Feeding articles to machines
- B65H5/06—Feeding articles separated from piles; Feeding articles to machines by rollers or balls, e.g. between rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2401/00—Materials used for the handling apparatus or parts thereof; Properties thereof
- B65H2401/10—Materials
- B65H2401/11—Polymer compositions
- B65H2401/111—Elastomer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/10—Rollers
- B65H2404/11—Details of cross-section or profile
- B65H2404/117—Details of cross-section or profile comprising hollow portions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/10—Rollers
- B65H2404/13—Details of longitudinal profile
- B65H2404/134—Axle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/10—Rollers
- B65H2404/18—Rollers composed of several layers
- B65H2404/185—Rollers composed of several layers easy deformable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/10—Rollers
- B65H2404/19—Other features of rollers
- B65H2404/192—Other features of rollers noise limiting roller
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2407/00—Means not provided for in groups B65H2220/00 – B65H2406/00 specially adapted for particular purposes
- B65H2407/50—Means for protecting parts of handling machine
- B65H2407/51—Means for making dustproof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2801/00—Application field
- B65H2801/03—Image reproduction devices
- B65H2801/06—Office-type machines, e.g. photocopiers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Electrophotography Configuration And Component (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Abstract
The present invention provides a kind of attachment that can inhibit paper powder and the feeding-in roll for the both sides for conveying sound.The elastomer layer 14 that feeding-in roll 10 has axis body 12 and formed in the periphery of axis body 12, elastomer layer 14 is the foaming body containing chlorohydrin rubber, blank part 18 made of in the radially inner side of elastomer layer 14 there is foam hole 16 to be connected with each other.The average diameter of the foam hole 16 of the radially inner side of preferred elastomer layer 14 is greater than the average diameter of the foam hole 16 of radial outside.It is preferred that recess portion 20b made of in the outer peripheral surface 14b of elastomer layer 14 there is foam hole 16 to be open.
Description
Technical field
The present invention relates to a kind of suitable uses to use the electronics such as duplicator, printer, the facsimile machine of electrofax mode
Feeding-in roll in camera installation.
Background technique
The elastomer layer that feeding-in roll has axis body and formed in the periphery of axis body.As the material of elastomer layer, three are used
First EP rubbers, heat-curable urethane etc..
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2015-27899 bulletin
Summary of the invention
Problem to be solved by the invention
Hardness is higher when for monomer and coefficient of friction is lower for heat-curable urethane.Therefore, for the bullet as feeding-in roll
The material of property body layer comes using cooperating plasticizer sometimes.But even if cooperation plasticizer, hard compared with ethylene propylene diene rubber
Spend still higher, the sound (conveying sound) when paper feeding is larger sometimes.On the other hand, ethylene propylene diene rubber is electric when for monomer
Hinder it is higher and due to electrostatic paper powder easy to attach.Therefore, it is combined with conductive agent sometimes.But in order to which resistance is reduced
To the degree for the attachment for inhibiting paper powder, need to cooperate the electronic conductors such as a certain amount of carbon.Then, when rising paper feeding due to hardness
Sound it is larger sometimes.In addition, inhibiting paper powder with being unable to fully under the use level of the degree of the sound when can inhibit paper feeding
Attachment.
The problem to be solved by the present invention is that providing a kind of attachment that can inhibit paper powder and conveying the both sides' of sound
Feeding-in roll.
The method for solving problem
To solve the above-mentioned problems, feeding-in roll according to the present invention will be intended to, and have axis body and in above-mentioned axis body
Periphery formed elastomer layer, above-mentioned elastomer layer is the foaming body containing chlorohydrin rubber, in the radial direction of above-mentioned elastomer layer
Blank part made of there is foam hole to be connected with each other for inside.
It is preferred that the average diameter of the foam hole of the radially inner side of above-mentioned elastomer layer is greater than the flat of the foam hole of radial outside
Equal diameter.Above-mentioned chlorohydrin rubber preferably comprises the epoxychloropropane from plant.It is preferred that in the outer peripheral surface of above-mentioned elastomer layer
With recess portion made of foam hole opening.It is preferred that the inner peripheral surface in above-mentioned elastomer layer has recess portion made of foam hole opening.
Invention effect
Feeding-in roll according to the present invention, elastomer layer are the foaming bodies containing chlorohydrin rubber, and in the diameter of elastomer layer
Blank part made of inwardly there is foam hole to be connected with each other, therefore it is able to suppress the attachment of paper powder and pair of conveying sound
Side.
If the average diameter of the foam hole of the radially inner side of elastomer layer is greater than the average diameter of the foam hole of radial outside,
Then inhibit the effect for conveying sound more excellent.If chlorohydrin rubber contains the epoxychloropropane from plant, inhibit paper powder
Attachment effect it is more excellent.If the outer peripheral surface in elastomer layer has recess portion made of foam hole opening, can be by paper
In powder scraping to recess portion.The outer peripheral surface that paper powder is also able to suppress as a result, in elastomer layer adheres to.
Detailed description of the invention
(a) in Fig. 1 is the appearance diagram of feeding-in roll involved in an embodiment of the invention, (b) in Fig. 1
It is its line A-A cross-sectional view.
Fig. 2 is the section enlarged diagram near the surface of feeding-in roll shown in FIG. 1, and (a) in Fig. 2 indicates that foam hole exists
The outer peripheral surface of elastomer layer is open, and (b) in Fig. 2 indicates that foam hole is not open in the outer peripheral surface of elastomer layer.
Fig. 3 is the section enlarged photograph of the elastomer layer of the feeding-in roll of embodiment 1, and (a) in Fig. 3 is inboard portion, Fig. 3
In (b) be exterior portion.
Specific embodiment
To feeding-in roll (hereinafter sometimes referred to simply as feeding-in roll according to the present invention.) be described in detail.(a) in Fig. 1
It is the appearance diagram of feeding-in roll involved in an embodiment of the invention, (b) in Fig. 1 is its line A-A cross-sectional view.Figure
2 be the section enlarged diagram near the surface of feeding-in roll shown in FIG. 1.
The elastomer layer 14 that feeding-in roll 10 has axis body 12 and formed in the periphery of axis body 12.Elastomer layer 14 becomes
The layer (outermost layer) that the surface of feeding-in roll 10 occurs.Elastomer layer 14 is tubulose (tubular).
Elastomer layer 14 is made of the composition containing chlorohydrin rubber.Chlorohydrin rubber has ionic conductivity, therefore can
The low resistance for realizing elastomer layer 14, inhibits paper so as to inhibit lower the surface residual charge of elastomer layer 14
The attachment of powder.The component of polymer constituted in the composition of elastomer layer 14 can be only made of chlorohydrin rubber, can also be contained
Other polymers ingredient other than chlorohydrin rubber.From viewpoints such as the low resistance of elastomer layer 14, more preferable polymer at
Divide and is only made of chlorohydrin rubber.
As chlorohydrin rubber, homopolymer (CO), the epoxychloropropane-ethylene oxide binary that can be enumerated as epoxychloropropane are total
Polymers (ECO), epoxychloropropane-allyl glycidyl ether bipolymer (GCO), epoxychloropropane-ethylene oxide-allyl
Base glycidol ether terpolymer (GECO) etc..Wherein, contain ethylene oxide as copolymer composition ECO, GECO be free of
There is ethylene oxide to compare as the chlorohydrin rubber of copolymer composition, it is more preferred on this point of being easily obtained low resistance body.In addition,
Contain allyl glycidyl ether as copolymer composition GCO, GECO have double bond, therefore with do not contain allyl glycidol
Ether is compared as the chlorohydrin rubber of copolymer composition, on this point of can be improved resistance to ag(e)ing (elastic recovery) more preferably.
Chlorohydrin rubber can contain the epoxychloropropane from plant.That is, epoxychloropropane as polymeric composition
Part or all can be constituted with origin derived from the epoxychloropropane of plant.If chlorohydrin rubber contains the epoxy chlorine from plant
Propane, the then effect for surface residual charge being suppressed to attachment that is lower and inhibiting paper powder are more excellent.In addition, coming due to using
Derived from natural renewable raw materials, therefore from the viewpoint of carbon neutralizes (carbon neutral), it is capable of forming environmental-friendly
Chlorohydrin rubber.
Elastomer layer 14 is the foaming body containing chlorohydrin rubber.When thereby, it is possible to ensure soft and be easy to inhibit paper feeding
Sound (conveying sound).Moreover, blank part made of in the radially inner side of elastomer layer 14 there is foam hole 16 to be connected with each other
18.The foam hole 16 of the radially inner side of elastomer layer 14 is formed as so-called even alveolitoid.Sound absorption properties are excellent as a result, and can press down
Sound (conveying sound) when paper feeding processed.In addition, aging can be further suppressed (elastic recovery is more excellent).Elastomer layer
14 radially inner side refers to 1/2 range of the thickness radially from the inner peripheral surface 14a of elastomer layer 14.In the range
It is interior, blank part 18 made of there is elastomer layer 14 foam hole 16 to be connected with each other.On the other hand, outside in the diameter of elastomer layer 14
Side both can have blank part 18 made of foam hole 16 is connected with each other (even alveolitoid), can also not have the phase each other of foam hole 16
Blank part 18 (single bubble type) made of even.As in Fig. 2 (a), shown in (b), if the foam hole of the radial outside of elastomer layer 14
16 be so-called even alveolitoid, then the outer peripheral surface 14b that paper powder is open from foam hole 16 accumulates to inside, therefore can be improved paper powder
Scraping and further suppress paper powder elastomer layer 14 outer peripheral surface 14b adhere to.In addition, aging can be further suppressed.
If the foam hole 16 of the radial outside of elastomer layer 14 is so-called single bubble type, the intensity of elastomer layer 14 is more excellent.
The average diameter of the foam hole 16 of the radially inner side of preferred elastomer layer 14 is greater than the foam hole 16 of radial outside
Average diameter.Thereby, it is possible to improve sound absorption properties and sound (conveying sound) when further suppressing paper feeding.In addition, by by diameter
The average diameter of foam hole 16 outward is set as the average diameter of the foam hole 16 less than radially inner side, is opened by foam hole 16
The scraping of the outer peripheral surface 14b bring paper powder of mouth is excellent.The average diameter of the foam hole 16 of radially inner side, can be by bullet
The section of any 5 positions of property body layer 14 measures each maximum diameter (diameter) of any 3 foam holes 16 and respectively with 15 points
Be averaged to be indicated.The average diameter of foam hole 16 about radial outside, is similarly measured.
The average diameter of the foam hole 16 of the radially inner side of elastomer layer 14 is preferably in the range of 100~600 μm.It is more excellent
It is selected as in the range of 100~300 μm.Thereby, it is possible to improve sound absorption properties and sound (conveying sound) when further suppressing paper feeding.
In addition, it can be ensured that the intensity of elastomer layer 14.On the other hand, the foam hole 16 of the radial outside of elastomer layer 14 is average straight
Diameter is preferably in the range of 20~300 μm.In the range of more preferably 20~100 μm.It is open as a result, by foam hole 16 outer
The scraping of circumferential surface 14b bring paper powder is excellent.In addition, it can be ensured that the intensity of elastomer layer 14.
In the outer peripheral surface 14b of elastomer layer 14, foam hole 16 can be made to be open as (a) in Fig. 2, it can also be such as figure
(b) in 2 makes foam hole 16 not be open like that.It is preferred that foam hole 16 is made to be open in the outer peripheral surface 14b of elastomer layer 14.Such as Fig. 2
In (a) like that, if elastomer layer 14 outer peripheral surface 14b have foam hole 16 be open made of recess portion 20b, can be by paper
Powder is scraped to recess portion 20b.The outer peripheral surface 14b that paper powder is also able to suppress as a result, in elastomer layer 14 adheres to.Although also depending on
Manufacturing process, but be formed with thin skin 14c in the outer peripheral surface 14b as (b) in Fig. 2 in elastomer layer 14 and make foam hole
In the case that 16 are not open, by reaming outer peripheral surface 14b compared with unfertile land, foam hole 16 can be made in elasticity as (a) in Fig. 2
The outer peripheral surface 14b of body layer 14 is open.
In the inner peripheral surface 14a of elastomer layer 14, can as in Fig. 2 (a), so that foam hole 16 is open (b), can also be with
Foam hole 16 is set not to be open.There is the case where recess portion 20a made of the opening of foam hole 16 in the inner peripheral surface 14a of elastomer layer 14
Under, it is easy to form the bigger foam hole 16 of diameter in the radially inner side of elastomer layer 14.I.e. it is easy to make the diameter of elastomer layer 14
The average diameter of foam hole 16 inwardly is greater than the average diameter of the foam hole 16 of radial outside.In addition, by elastomer layer 14
Radially inner side foam hole 16 be formed as even alveolitoid, thus be easy to elastomer layer 14 radially inner side formed foam hole 16 that
Blank part 18 made of this is connected.
Elastomer layer 14 can be used the formation composition containing chlorohydrin rubber and by forming based on shaping dies,
Extrusion molding etc. is formed.For example, axis body 12 is placed coaxially in the hollow portion of roller shaping dies, and inject uncrosslinked
It is formed and uses composition, heated, solidifying demoulding after (crosslinking), or by uncrosslinked formation composition extrusion molding
On the surface etc. of axis body 12, thus, it is possible to form elastomer layer 14 in the periphery of axis body 12.
In order to be formed in the knot of blank part 18 made of the radially inner side of elastomer layer 14 is connected with each other with foam hole 16
Structure, elastomer layer 14 radially inner side foam hole 16 average diameter be greater than radial outside foam hole 16 average diameter
Structure has the structure of recess portion 20a made of the opening of foam hole 16 in the inner peripheral surface 14a of elastomer layer 14, such as is adjusted to make
It obtains and is discharged from the gas that foaming agent generates from the radially inner side of elastomer layer 14.Although being easy in the periphery of elastomer layer 14
Face 14b is formed with thin skin 14c and is easy to get the feeding-in roll that foam hole 16 is not open in the outer peripheral surface 14b of elastomer layer 14, but
In order to make foam hole 16 be open in the outer peripheral surface 14b of elastomer layer 14, such as after forming to the outer peripheral surface 14b of elastomer layer 14
It is cut.
Such as in the case where the forming based on extrusion, preparation can be carried out as follows.Firstly, together in periphery
Core material made of the metal of the uncoated adhesive in face together squeezes out the formation composition containing chlorohydrin rubber simultaneously, in core material
Periphery on (contiguously with periphery) form unvulcanized, unexpanded foaminess rubber layer.Then, obtained complex is being added
It is heated under the conditions of pressure, is only vulcanized periphery surface side while maintaining unexpanded state, in outer peripheral surface entirety shape
At the thin skin (cortex) of vulcanization.At this point, as with core material made of metal, in the effect of the heat transfer from outer peripheral surface
The lower vulcanization for carrying out complex.Thus, gradually vulcanized from radial outside towards inside.In such functionally gradient material (FGM),
Next, core material removal is formed as rubber tube, and heated under normal pressure, to be vulcanized, be foamed.Due to being gradient
Material, therefore become larger from radial outside towards inside foam hole.In addition, inner peripheral surface is Open System and is in unvulcanized
State, therefore foam hole is open in inner peripheral surface.On the other hand, due to outer peripheral surface be vulcanization state, not formed foam hole,
And foam hole is not open in outer peripheral surface.
Vulcanization under pressurized conditions is not particularly limited, preferably under the pressurized conditions of 0.5~2.0MPa and 100~
Under the conditions of 200 DEG C of temperature, heating in 1~20 minute or so is carried out.Vulcanization under condition of normal pressure is not particularly limited, and preferably exists
Under the conditions of 100~200 DEG C of temperature, the heating of 10~60 clocks or so is carried out.
Chlorohydrin rubber before crosslinking is usually millable rubbers, therefore is substantially all to form foaming body using foaming
Agent.Therefore, in above-mentioned formation composition, on the basis of chlorohydrin rubber before crosslinking, also contain crosslinking agent, foaming agent
Deng.
As foaming agent, azodiisobutyronitrile (AIBN), azo carbon amide, N, N'- dinitro pentamethylene can be enumerated as
Tetramine (DPT), saleratus, urea, 4,4'- oxo bis- (benzene sulfonyl hydrazides) etc..With the uncrosslinked (crosslinking in formation composition
Before) chlorohydrin rubber be 100 mass parts meters, in the range of the content of foaming agent is preferably 5~20 mass parts.
As blowing promotor, Urea Series blowing promotor, metal oxide system blowing promotor, the foaming of metallic soap system can be enumerated as
Auxiliary agent, salicylic acid system blowing promotor etc..Above-mentioned blowing promotor may be used singly or two or more in combination, according to foaming
The type of agent and select optimal blowing promotor.As metal oxide system blowing promotor, for example, zinc oxide (II) can be enumerated as
Deng.As metallic soap system blowing promotor, such as calcium stearate can be enumerated as etc..As salicylic acid system blowing promotor, such as can arrange
Lifting is salicylic acid.By the uncrosslinked chlorohydrin rubber in formation composition be 100 mass parts in terms of, the content of blowing promotor is preferred
In the range of 5~20 mass parts.
As crosslinking agent, sulfur cross-linking agent, peroxide cross-linking agent, dechlorination crosslinking agent can be enumerated as.Above-mentioned crosslinking agent can
To be used alone, can also be used in combination of two or more.
As sulfur cross-linking agent, it can be enumerated as powder-sulphur, precipitating sulphur, colloid sulphur, sulphur is surface-treated, is insoluble
The known sulfur cross-linking agent such as sulphur, sulfur chloride, thiuram system vulcanization, macromolecule polysulfide.
As peroxide cross-linking agent, ketal peroxide, dialkyl peroxide, peroxyester, peroxidating can be enumerated as
The known peroxide cross-linking agent such as ketone, peroxy dicarbonate, diacyl peroxide, hydroperoxides.
As dechlorination crosslinking agent, dithiocarbonic acids ester compounds can be enumerated as.More specifically, quinoxaline-can be enumerated as
2,3- dithiocarbonates, 6- methyl-quinoxaline -2,3- dithiocarbonates, 6- isopropyl quinoxaline -2,3- dithiocarbonic acids
Ester, 5,8- dimethylquinoxalin -2,3- dithiocarbonates etc..
As the use level of crosslinking agent, from the viewpoints such as being not easy to ooze out, with uncrosslinked chlorohydrin rubber for 100 mass parts
It counts, in the range of preferably 0.1~2 mass parts, in the range of more preferably 0.3~1.8 mass parts, further preferably 0.5
In the range of~1.5 mass parts.
In the case where using dechlorination crosslinking agent as crosslinking agent, dechlorination crosslinking accelerator can be used together.It is handed over as dechlorination
Join promotor,-ten one carbon -7- alkene (hereinafter referred to as DBU of 1,8- diazabicyclo-(5.4.0) can be enumerated as.) or its weak acid
Salt.The form that dechlorination crosslinking accelerator can be used as DBU come using, but from its operability aspect, it is weak preferably as its
The form of hydrochlorate come using.As the salt of weak acid of DBU, carbonate, stearate, 2 ethyl hexanoic acid salt, benzoic acid can be enumerated as
Salt, salicylate, 3- hydroxy-2-naphthoic acid salt, phenolic resin salt, 2-mercaptobenzothiazole salt, 2-mercaptobenzimidazole salt etc..
As the content of dechlorination crosslinking accelerator, from the viewpoints such as being not easy to ooze out, with uncrosslinked chlorohydrin rubber for 100
Mass parts meter, in the range of preferably 0.1~2 mass parts.In the range of more preferably 0.3~1.8 mass parts, further preferably
For the range of 0.5~1.5 mass parts.
From the viewpoint of low resistance, the composition and elastomer layer 14 for constituting elastomer layer 14 can be containing conductions
Agent, but from viewpoints such as the sound (conveying sound) inhibited as caused by the rising of hardness when paper feeding, be preferably free of as far as possible
There are the electronic conductors such as carbon.As long as, can also be in the composition in the range of will not be produced bigger effect to the rising of hardness
Containing electronic conductors such as carbon, but more preferably without containing electronic conductors such as carbon.On the other hand, since the rising to hardness generates
Influence it is smaller, therefore ionic conductive agent can be contained.Alternatively, it is also possible to not contain.As electronic conductor, charcoal can be enumerated as
Black, graphite, c-TiO2、c-ZnO、c-SnO2(c- indicates electric conductivity.) etc..As ionic conductive agent, quaternary amine, boron can be enumerated as
Hydrochlorate, surfactant etc..
It can according to need and be properly added various additions in the composition and elastomer layer 14 for constituting elastomer layer 14
Agent.As additive, lubricant can be enumerated as, vulcanization accelerator, antiaging agent, light stabilizer, viscosity modifier, processing help
Agent, fire retardant, plasticizer, filler, dispersing agent, defoaming agent, pigment, release agent etc..
Elastomer layer 14 can be adjusted by using above-mentioned composition to defined volume resistivity.From inhibition paper powder
The viewpoints such as attachment are set out, and the volume resistivity of elastomer layer 14 is set as 102~1010Ω·cm、103~109Ω·cm、104~
108In the range of Ω cm etc..
In addition, surface residual charge can be set as in the range of regulation by elastomer layer 14 by using above-mentioned composition.
The range of 0~20V is preferably set to from viewpoints, the surface residual charges of elastomer layer 14 such as the attachments for inhibiting paper powder.It is more excellent
Choosing is set as in the range of 0~10V.
The hardness of elastomer layer 14 can be set within the limits prescribed.When inhibiting paper feeding from soft bring
The excellent effect of sound and it can ensure that the viewpoints such as excellent intensity are set out, the hardness of elastomer layer 14 is preferably set to 30~60 °
In the range of.In the range of more preferably 30~50 °.In order to be set as defined soft, electronic conductor is not preferably contained.Bullet
The hardness of property body layer 14 can be measured based on (JIS-A hardness).
The thickness of elastomer layer 14 is not particularly limited, equal depending on the application to suitably set in the range of 0.1~10mm etc.
?.
It is not particularly limited as long as axis body 12 is conductive.Specifically, can illustrate as iron, stainless steel, aluminium
Solid, plug being made of ducted body made of equal metals etc..Can according to need axis body 12 surface coating adhesive,
Silane coupling agent etc..That is, elastomer layer 14 can be bonded via adhesive phase (primer layer) and axis body 12.It can according to need to viscous
Mixture, silane coupling agent etc. implement conducting.
Feeding-in roll 10 according to the above structure, elastomer layer 14 is the foaming body containing chlorohydrin rubber, in elastomer layer 14
Radially inner side there is foam hole 16 to be connected with each other made of blank part 18, therefore be able to suppress attachment and the conveying sound of paper powder
The both sides of sound.
Structure as feeding-in roll according to the present invention, however it is not limited to structure shown in FIG. 1.For example, it may be in Fig. 1
Shown in have the structure of other elastomers layer in feeding-in roll 10 between axis body 12 and elastomer layer 14.
Embodiment
Embodiment and comparative example used below, the present invention is described in detail.
(embodiment 1)
<preparation of elastomer layer composition>
By kneader to epichlorohydrin rubber (ECO<the 1>) [" Hydrin of the auspicious father-in-law's manufacture of Japan of 100 mass parts
T3106 "], the conduct vulcanization of the sulphur [crane see chemical industry (strain) manufacture] as vulcanizing agent of 0.5 mass parts, 5.0 mass parts
Auxiliary agent 2 kinds of zinc oxide (Mitsui Metal Co., Ltd. industry (strain) manufacture] and 10.0 mass parts hydrotalcite [consonance chemical industry (strain)
Manufacture, trade name " DHT4A "], the vulcanization accelerator A of 1.0 mass parts [three new chemical industry (strain) manufactures, trade name
" Sanceler CZ "], the vulcanization accelerator B of 1.0 mass parts [the emerging chemical industry of imperial palace (strain) manufacture, trade name " Axel
TBT "], 10.0 mass parts as foaming agent azodicarbonamide (three association chemical conversion manufacture, trade name " Cellmic RUB "]
It is kneaded, thus obtains the elastomer layer composition of chlorohydrin rubber system.
<production of feeding-in roll>
It is using with barrel dliameterExtrusion molding portion and chiasma type head extrusion forming device, together in periphery
The uncoated adhesive in face core material (SUS304 manufacture) the elastomer layer composition of chlorohydrin rubber system is squeezed simultaneously together
Out, the complex that there is unvulcanized, unexpanded foaminess rubber layer in the outer peripheral surface of core material is obtained.Then, it is answered what is obtained
Zoarium is positioned in pressurization baking oven, after being forced into 1MPa in baking oven, is heated to 150 DEG C of heat treatment for carrying out 15 minutes.
By being heated under elevated pressure, inhibit foaming in the inside of unvulcanized, unexpanded foaminess rubber layer, on the other hand,
Its outer peripheral surface is nearby vulcanized, and thus forms thin skin on surface.By the heat treatment, foaminess rubber layer is made to become half sulphur
Change, unexpanded state.When with the visual complex surfaces observed after heating, being able to confirm that integrally be can not find in outer peripheral surface
Foam hole and it is formed with thin skin (cortex).Then, core material is removed by the pressure in baking oven to normal pressure and from complex.For
The obtained rubber tube foaminess rubber layer of unexpanded state (semi-cure) implements 30 under normal pressure in baking oven with 150 DEG C
The heat treatment of minute.By the heat treatment, foaming, the vulcanization of foaminess rubber layer are carried out.By the heat treatment, make to send out
Bubble property rubber layer becomes the state of vulcanization, foaming.It is made of what axis body insertion obtained in this way the foaming body containing chlorohydrin rubber
Rubber tube (with a thickness of 3mm), obtain feeding-in roll.The peripheral surface of obtained elastomer layer is not ground.
<structure of elastomer layer>
Elastomer layer for obtained feeding-in roll, visually to observe its outer peripheral surface, inner peripheral surface.In addition, passing through
The photo of the laser microscope of Keyence company manufacture observes radial section.Laser microscope photo is shown in Fig. 3.
(a) in Fig. 3 is the laser microscope photo of the radially inner side of elastomer layer, and (b) in Fig. 3 is the radial outside of elastomer layer
Laser microscope photo.Above-mentioned photo is the photo photographed under identical multiplying power.In the periphery of obtained elastomer layer
Face spreads and is integrally formed with thin skin (cortex), and does not spread in the outer peripheral surface of elastomer layer and be integrally formed with foam hole
Recess portion made of opening.Recess portion made of being integrally formed with foam hole opening is spread in the inner peripheral surface of elastomer layer.In Fig. 3
(a) shown in, elastomer layer radially inner side have foam hole be connected with each other made of blank part.Such as (b) institute in Fig. 3
Show do not have blank part made of foam hole is connected with each other in the radial outside of elastomer layer.According to (a), (b) in Fig. 3, bullet
Property body layer radially inner side foam hole average diameter be greater than radial outside foam hole average diameter.
(embodiment 2)
In the preparation of elastomer layer composition, use as epichlorohydrin rubber (ECO) containing from plant
The epichlorohydrin rubber below of epoxychloropropane paper feeding is in addition to this made in the way of similarly to Example 1
Roller.The peripheral surface of obtained elastomer layer is not ground.The structure of elastomer layer is same as Example 1.
Epichlorohydrin rubber (ECO<2>): DAISO manufacture, trade name " Epichlomer CG102 "
(embodiment 3)
(after grinding with a thickness of 100 μm) is ground to the peripheral surface of obtained elastomer layer, so that in elasticity
The outer peripheral surface of body layer is throughout integrally having recess portion made of foam hole opening, in addition to this, according to side similarly to Example 2
Formula makes feeding-in roll.Structure other than the outer peripheral surface of elastomer layer is same as Example 1.
(embodiment 4)
In the preparation of elastomer layer composition, it is combined with ionic conductive agent (the tetramethyl perchloric acid of 0.3 mass parts
Ammonium), in addition to this, feeding-in roll is made in the way of similarly to Example 3.Similarly to Example 3, to obtained elastomer
The peripheral surface of layer is ground (after grinding with a thickness of 100 μm) so that elastomer layer outer peripheral surface throughout integrally having
There is recess portion made of foam hole opening.Structure other than the outer peripheral surface of elastomer layer is same as Example 1.
(comparative example 1)
<preparation of elastomer layer composition>
By planetary-type mixer to the polyalcohol of 90 mass parts (Mitsui Chemicals polyurethane (strain) manufactures, " EP828 "), 10
The defoaming agent (Mitsui Chemicals polyurethane (strain) manufacture, " POP31-28 ") of mass parts, the amine system catalyst of 1 mass parts (spend king
(strain) manufacture, " KAOLIZER No.31 "), the amine system catalyst of 0.3 mass parts (Tosoh (strain) manufacture, " TOYOCAT
HX35 "), the tin series catalysts (dibutyl tin dilaurate) of 0.1 mass parts, 3 mass parts organic silicon-type surfactant (GE Toshiba
Organosilicon (strain) manufacture " L5309 "), the water of 2 mass parts, 26.9 mass parts isocyanates (firmly change Bayer polyurethane (strain)
Manufacture, " Sumidur VT80 ") it is kneaded, obtain the elastomer layer composition of polyurethane series.
<preparation of feeding-in roll>
Plug (diameter 6mm) is arranged in the mold of tubular moulding mold, by the elastomer layer group of polyurethane series
It closes object to be injected into the mold, foamed solidification is carried out under conditions of 90 DEG C × 30 minutes, form the foaming body by polyurethane series
The elastomer layer of composition (with a thickness of 3mm).Thus feeding-in roll is obtained.The peripheral surface of obtained elastomer layer is not ground
Mill.The structure of elastomer layer is same as Example 1.
(comparative example 2)
<preparation of elastomer layer composition>
By kneader to the Ethylene-Propylene-Diene rubber of 100 mass parts (Mitsui Chemicals (strain) manufactures,
" EPT4045 "), 2 kinds of the zinc oxide of 5 mass parts (Mitsui Metal Co., Ltd.'s industry (strain) manufacture), 1 mass parts stearic acid (flower king (strain)
Manufacture, " Lunac S-30 "), (emerging productions (strain) of light manufactures out, " Diana for the processing oils (Process oil) of 30 mass parts
Process PW-380 "), the dinitrosopentamethylene tetramine (foaming agent) of 15 mass parts, 1 mass parts sulphur (crane opinion
Learn industrial (strain) manufacture), dibenzothiazyl disulfide (vulcanization accelerator) (the emerging chemical industry of imperial palace (strain) systems of 2 mass parts
Make, " Nocceler DM-P "), the tetra methylthiuram list sulfide (vulcanization accelerator) of 1 mass parts (the emerging chemical work of imperial palace
Industry (strain) manufacture, " Nocceler TS ") it is kneaded, obtain the elastomer layer composition of EPDM system.
<production of feeding-in roll>
Plug is arranged in the mold of tubular moulding mold, the elastomer layer of EPDM system is injected into the mould with composition
Tool in after, heated 40 minutes at 160 DEG C, make elastomer layer composition hardening, solidification, foaming and formed by EPDM system
The elastomer layer that foaming body is constituted (with a thickness of 3mm).Thus feeding-in roll is obtained.Not to the peripheral surface of obtained elastomer layer
It is ground.The structure of elastomer layer is same as Example 1.
(comparative example 3)
In the preparation of elastomer layer composition, it is combined with the carbon black (Lion as electronic conductor of 15 mass parts
" the section qin EC300J " of company's manufacture), in addition to this, feeding-in roll is made according to mode same as comparative example 2.Not to acquired
The peripheral surface of elastomer layer ground.The structure of elastomer layer is same as Example 1.
(comparative example 4)
The unmated foaming agent in the preparation of elastomer layer composition and be not formed into foaming body, in addition to this, according to
Mode similarly to Example 1 makes feeding-in roll.The peripheral surface of obtained elastomer layer is not ground.
(comparative example 5)
Use microcapsules (" the Microsphere F60 " of the manufacture of Song Ben grease drugmaker) substitution azo of 15 mass parts
Diformamide in the way of similarly to Example 1, prepares elastomer layer composition in addition to this.Then, using tubulose
Shaping dies makes feeding-in roll according to mode same as comparative example 2.The peripheral surface of obtained elastomer layer is not carried out
Grinding.In the radially inner side (1/2 range of thickness radially from inner peripheral surface) of elastomer layer, do not have foam hole each other
Blank part made of being connected.
The evaluation of the paper feeding of sound (conveying sound) when carrying out paper powder adhesion, to(for) obtained each feeding-in roll.
(paper powder adhesion)
While circumferentially rotatable with the revolving speed of 70rpm in the environment of making feeding-in roll in 23 DEG C × 53%RH, by corona
The distance between the core of pipe (using DC power supply) and the surface of elastomer layer are set as 10mm and 100 μ A (constant current)
Corona current, charge the surface of elastomer layer.Then, at the position being rotated by 90 ° with electric position to direction of rotation,
The distance between the probe of surface potential meter and the surface of elastomer layer are set as 1mm, measured in axial central portion with 1 point
The surface potential on the surface of elastomer layer.Using the value as the surface residual charge on the surface of elastomer layer.Axis body and corona
Pipe ground connection.Paper powder adhesion is evaluated according to the value of surface residual charge.Surface residual charge is evaluated as less than the case where 15V
Especially good " ◎ ", is evaluated as good "○" by surface residual charge in 15V or more and less than the case where 20V, by surface residual
Charge is 20V or more and is evaluated as slightly worse " △ " less than the case where 150V, and the situation that surface residual charge is 150V or more is commented
Valence is poor "×".
(conveying sound)
Group is carried out using feeding-in roll as the feeding-in roll in " the imageRUNNER ADVANCE C5051 " that Canon's (strain) manufactures
Dress.In the environment of 23 DEG C × 53%RH, plain paper 300,000 is conveyed, the generation of investigation conveying sound.Although will act
When can generate the driving mechanism sound of generating source as noise, but can't hear the order as caused by the feeding-in roll assembled completely
The case where people's unhappy sound, is evaluated as especially good " ◎ ", although will can indistinctly hear the unpleasant sound fair
Perhaps the situation in range is evaluated as good "○", will hear the feelings of the unpleasant sound with the size that can not allow sometimes
Condition is evaluated as slightly worse " △ ", will be evaluated as the case where continually hearing the unpleasant sound with the size that can not allow poor
“×”。
(hardness)
Measure the JIS-A hardness on elastomer layer surface.It is to be evaluated as soft "○" in 60 ° of situations below by hardness,
The case where being more than 60 ° for hardness and be evaluated as middle hardness " △ " for 70 ° or less of situation, by hardness being more than 70 ° is evaluated as high firmly
Spend "×".
(volume resistance)
Resistance value as initial stage is measured to the resistance of feeding-in roll.Measurement is under N/N environment (23 DEG C, RH50%)
The load of 500g is applied from the DC voltage of the additional 200V of core rod end to the both ends of feeding-in roll, measurement rotation speed is
1 minute roller resistance value under 30rpm.
Comparative example 1 has used when for monomer hardness higher and the lower heat of coefficient of friction in the polymer of elastomer layer
Curable polyurethane, therefore fail to be adequately suppressed conveying sound.In addition, inhibiting paper powder since surface residual charge is slightly larger
The effect of attachment is smaller.Comparative example 2 has used the higher EPDM of resistance when for monomer in the polymer of elastomer layer.Cause
This, surface residual charge is larger and fails to inhibit the attachment of paper powder.If cooperating the electronic conductors (comparative examples such as carbon in the EPDM
3), then surface residual charge becomes smaller and can slightly inhibit the attachment of paper powder, but can be hardened and cannot inhibit to convey sound.Comparison
Example 4 has used chlorohydrin rubber in the polymer of elastomer layer, but does not foam, therefore fails to inhibit conveying sound.Comparison
The elastomer layer of example 5 is the foaming body containing chlorohydrin rubber, but the radial outside of elastomer layer (from the circumferential surface radially
Thickness 1/2 range) do not have foam hole be connected with each other made of blank part (single bubble).Therefore, fail to inhibit conveying sound
Sound.
In contrast, the elastomer layer of embodiment is the foaming body containing chlorohydrin rubber, and in the radial direction of elastomer layer
Blank part made of there is foam hole to be connected with each other in outside 1/2 range of thickness (from the circumferential surface in the radial direction) is (even
Bubble).Therefore, surface residual charge is smaller, can inhibit the attachment of paper powder.In addition, may also suppress conveying sound.Moreover, according to reality
Example 1,2 is applied it is found that surface residual charge further becomes smaller by making chlorohydrin rubber contain the epoxychloropropane from plant,
The attachment of paper powder can be further suppressed.In addition, according to embodiment 2,3 it is found that there is foaming by the outer peripheral surface in elastomer layer
Recess portion made of the opening of hole, can further suppress conveying sound.In addition, according to embodiment 2,4 it is found that being led even if mismatching ion
Surface residual charge can also be inhibited enough to small, therefore can inhibit paper powder mismatching ionic conductive agent by electric agent
Attachment.
More than, embodiments of the present invention, embodiment are illustrated, but the present invention is not by above embodiment, reality
Any restriction of example is applied, various changes can be carried out without departing from the spirit and scope of the invention.
Claims (5)
1. a kind of feeding-in roll, which is characterized in that the elastomer layer for having axis body and being formed in the periphery of the axis body,
The elastomer layer is the foaming body containing chlorohydrin rubber, has foam hole each other in the radially inner side of the elastomer layer
Blank part made of being connected.
2. feeding-in roll according to claim 1, which is characterized in that the foam hole of the radially inner side of the elastomer layer is put down
Equal diameter is greater than the average diameter of the foam hole of radial outside.
3. feeding-in roll according to claim 1 or 2, which is characterized in that the chlorohydrin rubber contains the ring from plant
Oxygen chloropropane.
4. feeding-in roll described in any one of claim 1 to 3, which is characterized in that in the outer peripheral surface of the elastomer layer
With recess portion made of foam hole opening.
5. feeding-in roll according to any one of claims 1 to 4, which is characterized in that in the inner peripheral surface of the elastomer layer
With recess portion made of foam hole opening.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-212499 | 2016-10-31 | ||
| JP2016212499A JP2018070332A (en) | 2016-10-31 | 2016-10-31 | Paper feed roll |
| PCT/JP2017/026596 WO2018078974A1 (en) | 2016-10-31 | 2017-07-24 | Paper feeding roll |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109890733A true CN109890733A (en) | 2019-06-14 |
Family
ID=62024684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780051846.XA Withdrawn CN109890733A (en) | 2016-10-31 | 2017-07-24 | Feeding-in roll |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20190119057A1 (en) |
| JP (1) | JP2018070332A (en) |
| CN (1) | CN109890733A (en) |
| WO (1) | WO2018078974A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114516231A (en) * | 2020-11-20 | 2022-05-20 | 株式会社金阳社 | Embossing roller and method for producing same |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7131033B2 (en) * | 2018-03-30 | 2022-09-06 | 株式会社三洋物産 | game machine |
| WO2020022451A1 (en) * | 2018-07-27 | 2020-01-30 | 株式会社大阪ソーダ | Sound-absorbing material composition |
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| JP2013218228A (en) * | 2012-04-12 | 2013-10-24 | Shin Etsu Polymer Co Ltd | Cleaning roller for image carrier and image formation device |
| CN105934398A (en) * | 2013-10-30 | 2016-09-07 | 住友理工株式会社 | Paper feeding roller |
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| JP3958053B2 (en) * | 2002-01-30 | 2007-08-15 | 株式会社ブリヂストン | Method for manufacturing foam roller |
| JP2010235849A (en) * | 2009-03-31 | 2010-10-21 | Synztec Co Ltd | Foamed rubber member |
| JP2015151246A (en) * | 2014-02-17 | 2015-08-24 | シンジーテック株式会社 | Roll for feeding, carrying, and separating paper and its manufacturing method |
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2016
- 2016-10-31 JP JP2016212499A patent/JP2018070332A/en active Pending
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2017
- 2017-07-24 WO PCT/JP2017/026596 patent/WO2018078974A1/en active Application Filing
- 2017-07-24 CN CN201780051846.XA patent/CN109890733A/en not_active Withdrawn
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2018
- 2018-12-17 US US16/221,623 patent/US20190119057A1/en not_active Abandoned
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| JPS6368871A (en) * | 1986-09-11 | 1988-03-28 | Canon Inc | Cleaning device |
| JPH02265755A (en) * | 1989-04-05 | 1990-10-30 | Seiko Instr Inc | Ink-jet printer |
| US5599266A (en) * | 1994-06-21 | 1997-02-04 | American Roller Company | Foam reservoir fluid transfer roller |
| JP2002046873A (en) * | 2000-08-04 | 2002-02-12 | Tokai Rubber Ind Ltd | Paper feeding roller |
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| CN114516231A (en) * | 2020-11-20 | 2022-05-20 | 株式会社金阳社 | Embossing roller and method for producing same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2018070332A (en) | 2018-05-10 |
| WO2018078974A1 (en) | 2018-05-03 |
| US20190119057A1 (en) | 2019-04-25 |
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