CN106882614A - Feeding-in roll - Google Patents
Feeding-in roll Download PDFInfo
- Publication number
- CN106882614A CN106882614A CN201610829077.9A CN201610829077A CN106882614A CN 106882614 A CN106882614 A CN 106882614A CN 201610829077 A CN201610829077 A CN 201610829077A CN 106882614 A CN106882614 A CN 106882614A
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- CN
- China
- Prior art keywords
- sample
- feeding
- principal axis
- roll
- fin portion
- 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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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
-
- 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
- B65H2401/114—Polyester, e.g. polyethylene terephthalate [PET]
-
- 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
- B65H2404/111—Details of cross-section or profile shape
- B65H2404/1118—Details of cross-section or profile shape with at least a relief portion on the periphery
-
- 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
Abstract
The present invention provides a kind of feeding-in roll for effectively suppressing sound ring.Feeding-in roll of the invention is provided with the feeding-in roll of fin portion and multiple direction of principal axis groove (22).Multiple direction of principal axis grooves (22) discontinuously extend along axis direction and spaced apart in a circumferential direction set.Direction of principal axis groove (22) adjacent in a circumferential direction at intervals of below 2mm, the surface roughness Rz of the drum surface (21) in fin portion is more than 10 μm.
Description
Technical field
The present invention relates to a kind of feeding-in roll, the more particularly to feeding-in roll of the equipment such as duplicator, printer, facsimile machine.
Background technology
All include to one by one provide the pickup roller of paper in the sheet feed section of the equipment such as duplicator, printer, facsimile machine
(pickup roller), feed rollers (feed roller), delay roller (retard roller) etc..
For example, in the paper feed of the FRR modes shown in Fig. 1, paper is conveyed from carton 6 to separation unit by pickup roller 1
5, in separation unit, the multiple paper feeding of paper 5 is prevented by postponing roller 3, wherein, postponing roller 3 includes what crimping feed rollers 2 ground was set
Torque limiter 4.That is, when paper supply instruction is sent, pickup roller 1 and feed rollers 2 start rotation.At this moment, paper carrying is crimped
The delay roller 3 of roller 2 is also rotated together with feed rollers 2.The paper 5 proposed from carton 6 by pickup roller 1 enters feed rollers 2 and postpones roller 3
Between, pressurize and advance by feed rollers 2 and delay roller 3.At this moment, the revolving force in the direction that the applying of roller 3 returns to paper 5 is postponed,
A piece of paper is clamped to feed rollers 2, is returned it to.Between two pieces of paper are proposed by pickup roller 1 and entered feed rollers 2 and postponed roller 3
When, apply the moment of torsion of regulation to the direction that paper 5 is returned due to postponing roller 3, therefore, when two pieces of paper into feed rollers 2 and prolong together
When between slow roller 3, postpone roller 3 and rotated to Return-ing direction and return to the paper 5 of contact delay roller 3, only close to feed rollers 2 most
The paper of top advances.
If paper scrap or the abrasion of itself bits etc. remain in surface, the coefficient of friction of above-mentioned such feeding-in roll is reduced,
Will be unable to stably carry out the conveying of paper.Therefore, the feeding-in roll for having and the groove that paper scrap etc. falls into being set in roller surface has been known.As this
The feeding-in roll of sample for example has disclosed in Japanese Unexamined Patent Publication 2014-55055 publications (patent document 1).In patent document 1,
Disclose the feeding-in roll that the groove for falling into paper scrap etc. is randomly formed in roller surface.
Prior art literature
Patent document
Patent document 1：JP 2014-55055 publications
The content of the invention
(the invention technical problem to be solved)
The present inventor is found that exist due to being randomly formed in the feeding-in roll that above-mentioned patent document 1 is disclosed first
The situation for making groove that paper scrap etc. falls into and producing sound to ring.
In view of the above problems, it is an object of the invention to provide a kind of feeding-in roll that can effectively suppress sound ring.
(solving the means of technical problem)
The present inventor has found that the feeding-in roll that above-mentioned patent document 1 is disclosed occurs sound ring by extensive research
Problem is produced when the width of the drum surface in the fin portion formed by adjacent groove is larger.And, broadly studied
In the case where the width of the drum surface in the fin portion for making to be formed by adjacent groove diminishes, further suppress the mechanism of sound ring,
As a result, completing the present invention.
Additionally, " the fin portion " that is disclosed in this specification refers to the part of the formation convex shape beyond slot part.
That is, feeding-in roll of the invention is that fin portion and multiple direction of principal axis grooves are provided with the surface of cylinder
Feeding-in roll, multiple direction of principal axis grooves discontinuously extend along axis direction and it is spaced apart in a circumferential direction set,
On circumferencial direction the adjacent direction of principal axis groove at intervals of below 2mm, the surface roughness Rz of the drum surface in fin portion is
More than 10 μm.
Feeding-in roll of the invention, by making the interval of adjacent direction of principal axis groove, namely making adjacent direction of principal axis groove
The width of the drum surface in the fin portion of formation turns into below 2mm, thereby, it is possible to suppress sound ring.In order to further suppress sound ring,
The present inventor is conceived to the roughness Rz of the drum surface in adjustment fin portion, hair after conducting extensive research
Show when roughness Rz is more than 10 μm, can effectively suppress sound ring.Therefore, adjacent in a circumferential direction direction of principal axis groove
The surface roughness Rz at intervals of below 2mm and the drum surface in fin portion be that more than 10 μm of feeding-in roll of the invention can
Effectively suppress sound ring.
The interval of the preferably adjacent in a circumferential direction direction of principal axis groove of feeding-in roll of the invention is not fixed, but not phase
Together.
In above-mentioned feeding-in roll, the effect of suppression sound ring of the invention is significantly embodied.
Preferably, adjacent in a circumferential direction direction of principal axis groove position in the axial direction is mutually wrong for feeding-in roll of the invention
Open.
In above-mentioned feeding-in roll, the effect of suppression sound ring of the invention is significantly embodied.
Preferably, the drum surface in fin portion is lapped face to feeding-in roll of the invention.Additionally, lapped face refers to by grinding
The surface that mill processing is formed.
According to attrition process, can simply make the drum surface in fin portion surface roughness Rz be embodied as 10 μm with
On.Therefore, when the drum surface in fin portion is lapped face, can simply realize effectively suppressing the paper feeding of sound ring
Roller.
The drum surface in the preferred fin portion of feeding-in roll of the invention is etching surface.Additionally, etching surface refers to by erosion
The drum surface of carving fin portion and the surface that is formed and, the surface that is formed of the template by carrying out etching and processing.
By etching and processing, can simply make the drum surface in fin portion surface roughness Rz be embodied as 10 μm with
On.Therefore, when the drum surface in fin portion is for etching surface, can simply realize effectively suppressing the paper feeding of sound ring
Roller.
(invention effect)
As described above, feeding-in roll of the invention can effectively suppress sound ring.
Brief description of the drawings
Fig. 1 is the synoptic diagram of the side for representing paper feed；
Fig. 2 is the synoptic diagram of the cylindrical portion 20 of the feeding-in roll for representing one embodiment of the present invention；
Fig. 3 is represented in the cylindrical portion 20 of the feeding-in roll shown in Fig. 2 with the enlarged drawing of the part of dotted line；
Fig. 4 is the IV-IV sectional views of the cylindrical portion 20 for representing the feeding-in roll shown in Fig. 2；
Fig. 5 is the V-V sectional views of the cylindrical portion 20 for representing the feeding-in roll shown in Fig. 2；
Fig. 6 is the data of the coefficient of friction for representing sample 1；
Fig. 7 is the data of the coefficient of friction for representing sample 4；
Fig. 8 is the data of the coefficient of friction for representing sample 5；
Fig. 9 is the data of the coefficient of friction for representing sample 8；
Figure 10 is the data of the coefficient of friction for representing sample 31.
Specific embodiment
Describe embodiments of the present invention in detail referring to the drawings.In addition, being assigned to part same or equivalent in figure
Identical symbol does not make explanation repeatedly.
Fig. 2 is the synoptic diagram of the cylindrical portion 20 of the feeding-in roll for representing one embodiment of the present invention, and the transverse direction of paper is
The axis direction of cylindrical portion 20, longitudinal direction is circumferencial direction.Reference picture 2, the cylindrical portion 20 of feeding-in roll passes through elastomeric material shape
Into, drum surface 21 and multiple direction of principal axis grooves 22 that it includes fin portion, wherein, the contact of drum surface 21 in the fin portion is removed
The paper for sending, the multiple direction of principal axis groove 22 is recessed and in fin than the drum surface 21 in fin portion to the internal diameter direction of cylindrical portion 20
Extend along axis direction on portion's drum surface 21, the multiple direction of principal axis groove 22 is represented with oblique line in figure.
As elastomeric material, can be for example as a kind of polyurethane (Polyurethane) of synthetic rubber,
EPDM, other synthetic rubber etc., or with the bullet for recovering original form at once after being deformed by less external force
Material beyond the synthetic rubber of property.
Hardness to elastomeric material is not particularly limited, and can the use of such as A hardness (Durometer A) be 40 °
Above and less than 60 ° of elastomeric material.When A hardness is less than 40 °, sound ring is easily produced, but as described later, by adjusting
The interval of whole direction of principal axis groove 22 adjacent in a circumferential direction and the surface roughness Rz of the drum surface 21 in fin portion, can
Effectively suppress sound ring.On the other hand, when A hardness is more than 60 °, reduction due to folder amount, coefficient of friction can be produced too low and
The possibility of the carrying capacity needed for cannot ensuring.When A hardness is less than 60 °, direction of principal axis groove 22 can be simply formed.Additionally, A
Hardness is with JIS K 6253:The value determined on the basis of 2006.
The drum surface 21 in fin portion is flat in the axial direction, in a circumferential direction, except the part of direction of principal axis groove 22,
Fin portion is also flat arc-shaped.Thus, its contact area increase with the paper of conveying, accordingly, it is capable to access sufficiently rub
Wipe power.And then, the drum surface 21 in fin portion is difficult to partial wear, and direction of principal axis groove 22 is difficult to disappear, even if long-term use also can
Stably carry out the conveying of paper.
Additionally, the drum surface 21 in fin portion can also form fold.Even if in this case, the cylinder in fin portion
The also substantially flat in the axial direction of surface 21, in a circumferential direction, except the part of direction of principal axis groove 22 is also essentially arc-shaped
It is flat.When fold is formed with, can more simply retain paper scrap, and be prevented from the reduction of coefficient of friction.
The surface roughness Rz of the drum surface 21 in the fin portion is more than 10 μm, preferably more than 11 μm, further excellent
Elect more than 14 μm as.When the drum surface 21 in fin portion has surface roughness Rz within the range, can effectively press down
Sound ring processed.In addition, from from the viewpoint of suppressing sound ring, surface roughness Rz is more big more preferred, but in view of the unimpeded of paper feeding, it is excellent
It is such as 150 μm, more preferably preferably less than 100 μm, less than 50 μm to select the higher limit of surface roughness Rz.
Here, above-mentioned surface roughness Rz is 10 mean roughness determined on the basis of JIS B 0601-1994
Value.Above-mentioned numerical value is by first value obtained after being rounded up below decimal point.
When the drum surface 21 in the fin portion remains abrasion bits end of paper scrap or drum surface 21 itself etc., fin
The coefficient of friction reduction of the drum surface 21 in portion, it is impossible to obtain the frictional force for sufficiently being conveyed to paper.Here, as residual
The space that the paper scrap of drum surface 21 in fin portion etc. falls into is stayed in, direction of principal axis groove 22 is provided with.In a circumferential direction between air switch
Ground is provided with multiple direction of principal axis grooves 22.
In addition, the spread configuration on the straight line of axis direction of direction of principal axis groove 22.That is, direction of principal axis groove 22 is in axis
The groove (discontinuous groove) of the interruption on direction.End thereby, it is possible to prevent the paper of conveying enters direction of principal axis groove 22, therefore,
The generation of holding paper situation can be reduced.
And then, the position of the direction of principal axis each other of adjacent in a circumferential direction direction of principal axis groove 22 is staggered.Thus, exist
Paper scrap on the drum surface 21 in fin portion, mainly being moved to the circumferencial direction in the direction rotated as cylindrical portion 20 etc. can be more
Direction of principal axis groove 22 is easily fallen into, therefore, even if long-term use also can sufficiently be conveyed the frictional force of paper, Neng Gouwen
Surely paper is conveyed.
Fig. 3 is the enlarged drawing of the part of the dotted line in the cylindrical portion 20 of the feeding-in roll shown in Fig. 2.Fig. 4 is in Fig. 2 institutes
The IV-IV sectional views of the cylindrical portion 20 of the feeding-in roll for showing.Additionally, the IV-IV sectional views of cylindrical portion 20 are actually arc-shaped,
But herein for the simplicity of explanation, to be linearly described.Fig. 5 is that the V-V of the cylindrical portion 20 of the feeding-in roll shown in Fig. 2 cuts
Face figure.
Reference picture 3, in a circumferential direction, the interval A of direction of principal axis groove 22a, 22b, interval B, the axle of direction of principal axis groove 22b, 22c
The interval C of direction groove 22c, 22d is unequally formed.That is, the interval of direction of principal axis groove 22 adjacent in a circumferential direction
It is not fixed, but differs.Thereby, it is possible to suppress to produce synchronous vibration when feeding-in roll is acted.
Reference picture 4, the interval A of adjacent in a circumferential direction direction of principal axis groove 22, B, namely passes through adjacent direction of principal axis
The width (in following also referred to as " width of convex portion ") of the drum surface 21 in the fin portion that groove 22 is formed is below 2mm, preferably
For below 1mm.From from the viewpoint of suppressing sound ring, adjacent in a circumferential direction interval A, B of direction of principal axis groove 22 etc. are smaller more
It is preferred that, but the partial wear in view of the drum surface 21 to fin portion suppression, its lower limit be such as 0.5mm.
Here, the numerical value at above-mentioned " interval of adjacent direction of principal axis groove 22 " be in the case of more than 1mm by decimal point with
Lower first value obtained after being rounded up, is that the following second of decimal point is carried out into four houses in the case of less than 1mm
Five enter after the value that obtains.
Reference picture 5, is present in the axle of the drum surface 21 in fin portion between direction of principal axis groove 22 adjacent on axis direction
The length E in line direction is preferably more than 0.3mm and below 1mm, more preferably more than 0.5mm and below 1mm.As length E
During for more than 0.3mm, the drum surface 21 in the fin portion of circumferencial direction is difficult to deform, and can reduce partial wear.When length E is
During more than 0.5mm, partial wear can be further reduced.In addition, when length E is below 1mm, paper scrap etc. is difficult to remain in fin
The drum surface 21 in portion.
In addition, reference picture 4, the width F of the circumferencial direction of direction of principal axis groove 22 is such as more than 0.1mm and is the 2 of groove depth D
Below times.Specifically, the width F of the circumferencial direction of direction of principal axis groove 22 be more than 0.1mm and below 1mm, preferably 0.3mm with
Upper and below 0.6mm.When width F is more than 0.1mm, the space for housing paper scrap etc. will not be too small, can reduce paper scrap and spill
Possibility.When width F is more than 0.3mm, paper scrap etc. can be made easily to fall into direction of principal axis groove 22.In addition, when width F is groove
Less than 2 times of deep D or during for below 1mm, can reduce conveying paper contact groove bottom and the possibility of taking paper scrap etc. out of.When
When width F is below 0.6mm, can simply retain paper scrap for being housed in direction of principal axis groove 22 etc..
Reference picture 5, the groove depth D of direction of principal axis groove 22 is fixed in axial direction.Thereby, it is possible in the overall equal of direction of principal axis groove 22
Etc. ground house paper scrap etc..Additionally, groove depth D is such as more than 0.1mm and below 1mm, preferably more than 0.1mm and below 0.6mm.
When groove depth D is more than 0.1mm, the possibility for causing paper scrap to spill because the space of collecting paper scrap etc. is too small can be reduced,
Further, it is possible to reduce conveying paper contact groove bottom and the possibility taken out of such as the paper scrap that will be received.In addition, when groove depth D is
During below 1mm, after being molded with template, relative to cylindrical portion 20 forced stripper mechanism produced by resistance will not be excessive, Neng Goujian
Singly carry out forced stripper mechanism.When groove depth D is below 0.6mm, forced stripper mechanism further can be simply carried out.
Reference picture 4, wall 31 is close relative to the bottom land of direction of principal axis groove 22 upright, wherein, the wall 31 links and is present in
The drum surface 21 in the fin portion between direction of principal axis groove 22 adjacent on circumferencial direction and the bottom land of direction of principal axis groove 22.Thus, energy
Enough paper scraps for effectively suppressing to capture etc. are dropped out from direction of principal axis groove 22.
In addition, reference picture 5, wall 31 is inclined, wherein, the wall 31 links and is present in direction of principal axis adjacent on axis direction
The drum surface 21 in the fin portion between groove 22 and the bottom land of direction of principal axis groove 22.Thus, after being molded with template, can be simply
Carry out the forced stripper mechanism of cylindrical portion 20.
Additionally, the angle formed between the bottom land of direction of principal axis groove 22 and wall 31 is, for example, more than 120 ° and less than 160 °.
In the case that formation angle between the bottom land and wall 31 of direction of principal axis groove 22 is more than 120 °, when forced stripper mechanism is carried out, by depositing
It is the drum surface 21 and the trapezoidal shape of the formation of wall 31 in the fin portion between direction of principal axis groove 22 adjacent on axis direction
Part inside in, the stress produced to the internal diameter direction of cylindrical portion 20 becomes big, thus, prevents to the pressure with cylindrical portion 20
The axis direction that the axis direction of the demoulding is opposite bends, and its resistance will become fully small.In addition, direction of principal axis groove 22 bottom land and
In the case that angle between wall 31 is less than 160 °, when the abrasion of the drum surface 21 in fin portion aggravates, due to that can press down
The length of the direction of principal axis of the opening portion of direction of principal axis groove 22 processed shortens, it is therefore prevented that paper scrap etc. is difficult to fall into direction of principal axis groove 22.
Then, 2~Fig. 5 of reference picture, illustrates the manufacture method of the cylindrical portion 20 of the feeding-in roll of present embodiment.
The elastomeric material of the raw material of the cylindrical portion 20 of preparation feeding-in roll, namely use in injection molding.In addition, preparing casting
Forming mould plate.Template has the exterior sheathing of the outer surface (turning into the surface of the drum surface in fin portion) for forming roller and forms roller
Inner surface inner template.Exterior sheathing passes through injection moulding, with direction of principal axis groove 22 adjacent in a circumferential direction at intervals of 2mm
Following mode forms pattern.Then, the elastomeric material of use in injection molding is injected to template, cylindrical shape is taken out from template
Roller.Then, the drum surface to the fin portion of the roller is processed, and its surface roughness Rz is turned into more than 10 μm.To processing
Method is not particularly limited, for example, attrition process, electro-discharge machining can be included, processing of sandblasting (shot blast), laser
Processing, etching etc., from from the viewpoint of being easily worked, attrition process is relatively reasonable.Thereby, it is possible to manufacture with lapped face,
Put Electricity surfaces, surface of sandblasting, laser surface, the fin portion drum surface on etching surface etc., and fin portion drum surface
Surface roughness is the cylindrical portion 20 of more than 10 μm of feeding-in roll.Additionally, in this manual, being added by attrition process, electric discharge
Work, processing of sandblasting, Laser Processing, the surface that obtains of etching respectively lapped face, discharging surface, surface of sandblasting, laser surface,
Etching surface.
In addition, as other methods, in the exterior sheathing with the outer surface for forming roller and the internal model of the inner surface for forming roller
In the template of plate, by etch the Surface Machining of the exterior sheathing by direction of principal axis groove is provided with to Rz for coarse such as more than 10 μm.It is logical
Cross and taken out from template again to the elastomeric material of template injection use in injection molding, it is 10 that can manufacture with surface roughness Rz
The cylindrical portion 20 of the feeding-in roll of the fin portion drum surface more than μm.In this manual, by etching and processing exterior sheathing institute shape
Into surface fall within etching surface.That is, etching surface refers to contain to lose the fin portion drum surface of roller
Carve the surface of processing and use what the template with the exterior sheathing after etching and processing was processed to the fin portion drum surface of roller
Surface.
As described above, in the feeding-in roll of present embodiment, adjacent in a circumferential direction direction of principal axis groove 22 at intervals of
Below 2mm, the surface roughness Rz of the drum surface 21 in fin portion is more than 10 μm.Direction of principal axis groove adjacent in a circumferential direction
During 22 interval is differed rather than fixed feeding-in roll, the inventors discovered that because the larger part in its interval will produce sound
Ring, and be found that in the case where making the interval be below 2mm to the maximum, sound ring can be suppressed.Axle adjacent in a circumferential direction
During the interval of direction groove 22 is differed rather than fixed feeding-in roll, in order to further prevent sound from ringing, the present inventor is conceived to convex
The surface roughness Rz of the drum surface in rib portion, it was found that when roughness Rz be more than 10 μm when, with prevent sound ring effect
Really.Therefore, the feeding-in roll of present embodiment can effectively suppress sound ring.
Therefore, the feeding-in roll of present embodiment is suitable for use with the paper supply of the equipment in duplicator, printer, facsimile machine etc.
Paper feed roller (pickup roller, feed rollers, delay roller) or conveying roller of device etc., are particularly well-suited to paper feed roller.
Here, in the above-described embodiment, illustrate to set at the interval of direction of principal axis groove 22 adjacent in a circumferential direction
It is set to and differs rather than fixed situation, but be not limited to this, the interval of adjacent direction of principal axis groove 22 can also be between waiting
Every.Alternatively, it is also possible to make interval variation regularly.
Here, in the above-described embodiment, the spread configuration on axis direction cathetus of direction of principal axis groove 22 is illustrated, but
It is not limited to this, it is also possible to setting of staggering on straight line.
In addition, in the above-described embodiment, illustrating that wall 31 connects suberect feelings relative to the bottom land of direction of principal axis groove 22
Condition, but this is not limited to, also can slightly incline, wherein, the connection of the wall 31 is present in axle adjacent on circumferencial direction
The drum surface 21 in the fin portion between direction groove 22 and the bottom land of direction of principal axis groove 22.In addition, in the above-described embodiment, explanation
Wall 31 is not limited to this relative to the inclined situation of the bottom land of direction of principal axis groove 22, it is also possible to close to upright, wherein,
The wall 31 connects drum surface 21 and the axle side in the fin portion existed between direction of principal axis groove 22 adjacent in the axial direction
To the bottom land of groove 22.
In addition, in the above-described embodiment, illustrating the manufacture method of injection moulding, but this is not limited to, can also led to
Cross punch forming manufacture.
(embodiment)
Hereinafter, the present invention is further described by enumerating embodiment, but the present invention is not limited to following implementations
Example.
(1~sample of sample 4)
Prepare the template of use in injection molding, the template has the exterior sheathing of the outer surface for forming roller and forms the inner surface of roller
Inner template.Exterior sheathing is provided with the multiple direction of principal axis grooves 22 by extending along axis direction spaced apartly in a circumferential direction
The convex portion of formation, forms pattern, makes regulation of the interval as below 2mm between direction of principal axis groove 22 adjacent in a circumferential direction
Value.In addition, in table 1, the interval of direction of principal axis groove 22 adjacent in a circumferential direction is represented with " width of convex portion ".
Then, as the elastomeric material of use in injection molding, inject polyurethane to template and take out cylindric from template
Roller.Feeding-in roll of the 1~sample of sample 4 that will be obtained as 1~sample of sample 4.The hardness of the 1~sample of sample 4 after shaping
It is 40 ° of A hardness (Durometer A).The surface roughness of the drum surface in the fin portion of feeding-in roll is represented in table 1 below
Rz。
(5~sample of sample 7)
The manufacture method of the feeding-in roll of 5~sample of sample 7 is essentially identical with sample 1, but by using representing with table 1
The roller of cylindrical shape is removed after the exterior sheathing of " width of convex portion " carries out injection moulding, from template and finishing this point is carried out not
Together.By finishing, surface roughness Rz is set to diminish.
(8~sample of sample 10)
The manufacture method of the feeding-in roll of 8~sample of sample 10 is essentially identical with sample 1, but is represented by using with table 1
" width of convex portion " exterior sheathing carry out injection moulding after, remove from template the roller of cylindrical shape and carry out attrition process this point
It is different.By attrition process, increase surface roughness Rz.
(11~sample of sample 14)
The manufacture method of the feeding-in roll of 11~sample of sample 14 is essentially identical with 1~sample of sample 4 respectively, but the sample for obtaining
This hardness is 50 ° of this point differences of A hardness.
(15~sample of sample 17)
The manufacture method of the feeding-in roll of 15~sample of sample 17 is essentially identical with 5~sample of sample 7 respectively, but the sample for obtaining
This hardness is 50 ° of this point differences of A hardness.
(18~sample of sample 20)
The manufacture method of the feeding-in roll of 18~sample of sample 20 is essentially identical with 8~sample of sample 10 respectively, but obtain
The hardness of sample is 50 ° of this point differences of A hardness.
(21~sample of sample 24)
The manufacture method of the feeding-in roll of 21~sample of sample 24 is essentially identical with 1~sample of sample 4 respectively, but the sample for obtaining
This hardness is 60 ° of this point differences of A hardness.
(25~sample of sample 27)
The manufacture method of the feeding-in roll of 25~sample of sample 27 is essentially identical with 5~sample of sample 7 respectively, but the sample for obtaining
This hardness is 60 ° of this point differences of A hardness.
(28~sample of sample 30)
The manufacture method of the feeding-in roll of 28~sample of sample 30 is essentially identical with 8~sample of sample 10 respectively, but obtain
The hardness of sample is 60 ° of this point differences of A hardness.
Additionally, being disclosed in 1~sample of sample 10 (40 ° of A hardness), 11~sample of sample respectively in table 1, table 2 and table 3
In this 20 (50 ° of A hardness) and 21~sample of sample 30 (60 ° of A hardness), adjacent in a circumferential direction direction of principal axis groove 22
The surface roughness Rz of the drum surface 21 in interval (width of convex portion) and fin portion.
Surface roughness Rz determines each sample under following device condition determinations.
Device：One key 3D profile measurers VR-3000 series (Co., Ltd.'s Keyemce is manufactured)；
Condition determination：It is contactless, photographed under 80 times, the drum surface 2mm in the fin portion on measure circumferencial direction is wide
The surface roughness of degree.
(evaluation method)
Sound ring experiment is carried out to the feeding-in roll of 1~sample of sample 30 with following measuring machine condition determinations.
Test method：The measure of coefficient of friction is carried out by HEIDON；
Measuring machine：New East science Co., Ltd. manufacture HEIDON TYPE14；
Condition determination：Load 200g, speed 10mm/sec, art paper (Oji Paper manufacture POD gloss art paper).
For example, representing the determination data of sample 1, sample 4, sample 5 and sample 8 by Fig. 6~Fig. 9.In Fig. 6~Fig. 9
In the amplitude of shown longitudinal direction (coefficient of friction), the difference between maximum and minimum value is obtained.Also, with the institute less than 0.2
Difference is stated for " A ", is " B " with more than 0.2 and less than 0.5 difference, be " C " with more than 0.5 and less than 0.8 difference, with
More than 0.8 difference is " D ".Its result is represented in table 1 below~table 3.Numerical value is smaller, and the effect for suppressing sound ring is better,
The good order of effect is A, B, C, D.
(table 1)
| A hardness (°) | Treatment | The width (mm) of convex portion | Rz(μm) | Amplitude | Sound rings (evaluation) | |
| Sample 1 | 40 | Nothing | 2.0 | 7.0 | 1.5 | D |
| Sample 2 | 40 | Nothing | 1.7 | 7.0 | 0.3 | B |
| Sample 3 | 40 | Nothing | 1.5 | 7.0 | 0.3 | B |
| Sample 4 | 40 | Nothing | 1.0 | 7.0 | 0.3 | B |
| Sample 5 | 40 | Finishing | 2.0 | 2.6 | 0.9 | D |
| Sample 6 | 40 | Finishing | 1.8 | 2.6 | 0.8 | D |
| Sample 7 | 40 | Finishing | 1.2 | 2.6 | 0.7 | C |
| Sample 8 | 40 | Grinding | 2.0 | 13.6 | 0.2 | B |
| Sample 9 | 40 | Grinding | 1.8 | 13.6 | 0.3 | B |
| Sample 10 | 40 | Grinding | 1.2 | 13.6 | 0.2 | B |
(table 2)
| A hardness (°) | Treatment | The width (mm) of convex portion | Rz(μm) | Amplitude | Sound rings (evaluation) | |
| Sample 11 | 50 | Nothing | 2.0 | 8.1 | 1.5 | D |
| Sample 12 | 50 | Nothing | 1.7 | 8.1 | 0.3 | B |
| Sample 13 | 50 | Nothing | 1.5 | 8.1 | 0.1 | A |
| Sample 14 | 50 | Nothing | 1.0 | 8.1 | 0.1 | A |
| Sample 15 | 50 | Finishing | 2.0 | 2.9 | 0.9 | D |
| Sample 16 | 50 | Finishing | 1.8 | 2.9 | 0.8 | D |
| Sample 17 | 50 | Finishing | 1.2 | 2.9 | 0.9 | D |
| Sample 18 | 50 | Grinding | 2.0 | 11.4 | 0.3 | B |
| Sample 19 | 50 | Grinding | 1.8 | 11.4 | 0.2 | B |
| Sample 20 | 50 | Grinding | 1.2 | 11.4 | 0.2 | B |
(table 3)
| A hardness (°) | Treatment | The width (mm) of convex portion | Rz(μm) | Amplitude | Sound rings (evaluation) | |
| Sample 21 | 60 | Nothing | 2.0 | 4.3 | 0.6 | C |
| Sample 22 | 60 | Nothing | 1.7 | 4.3 | 0.5 | B |
| Sample 23 | 60 | Nothing | 1.5 | 4.3 | 0.3 | B |
| Sample 24 | 60 | Nothing | 1.0 | 4.3 | 0.1 | A |
| Sample 25 | 60 | Finishing | 2.0 | 1.4 | 0.8 | D |
| Sample 26 | 60 | Finishing | 1.8 | 1.4 | 1.0 | D |
| Sample 27 | 60 | Finishing | 1.2 | 1.4 | 0.6 | C |
| Sample 28 | 60 | Grinding | 2.0 | 12.1 | 0.2 | B |
| Sample 29 | 60 | Grinding | 1.8 | 12.1 | 0.3 | B |
| Sample 30 | 60 | Grinding | 1.2 | 12.1 | 0.1 | A |
(evaluation result)
With reference to table 1, compare the interval (width of convex portion) that A hardness is 40 ° and direction of principal axis groove adjacent in a circumferential direction
It is the sample 1 of 2mm, sample 5 and sample 8, relative to the sample 1 of the working process of the drum surface for not carrying out fin portion,
The effect for suppressing sound ring for finish the sample 5 for making roughness Rz diminish to fin portion drum surface is smaller, with this phase
Over the ground, fin portion drum surface is ground processing, make the sample 8 that roughness Rz increases to more than 10 μm suppress sound ring
Effect is very good.For this result, the A hardness in table 2 be 50 ° and convex portion width be the sample 11 of 2mm, sample 15 with
And sample 18 also has disclosed, the A hardness in table 3 be 60 ° and convex portion width be the sample 21 of 2mm, sample 25 and sample
Originally 28 also have disclosed.Additionally, in table 3, comparative sample 21 and sample 25, due to finishing, sound ring becomes big.
In addition, compare the 1~sample of sample 4 of 40 ° of A hardness not being processed to the drum surface in fin portion, it is convex
The smaller effect for then suppressing sound ring of the width in portion is better, but about by the roughness Rz of fin portion drum surface be machined to 10 μm with
On 8~sample of sample 10, suppress sound ring effect it is essentially identical.This result is shown in 50 ° of the A hardness and table 3 shown in table 2
60 ° of A hardness it is also identical.According to the above results, when the width of convex portion is below 2mm and the roughness Rz of fin portion drum surface
For more than 10 μm when, can stably suppress sound ring.
In addition, the hardness for forming the elastomeric material of feeding-in roll is higher, the effect for suppressing sound ring is better.But, hardness is got over
Machinability high is poorer.Therefore, when the hardness of elastomeric material is less than 50 °, the width for making convex portion is below 2mm and cylinder
The roughness Rz on surface is more than 10 μm, thus, not only with the effect for suppressing sound ring, also with the effect for improving machinability
Really.
Additionally, the present inventor has following knowledge, i.e. when the width of convex portion is more than 2mm, sound ring is very big,
Even if the roughness Rz of fin portion drum surface turns into more than 10 μm, the effect for suppressing sound ring is relatively low.
(31~sample of sample 33)
The manufacture method of the feeding-in roll of 31~sample of sample 33 is essentially identical with sample 11, but is not forming axle in exterior sheathing
Direction groove and to form fold this point different.Specifically, the surface by etching to exterior sheathing is processed, and makes Rz thick
It is rough to turn into 40 μm, 20 μm and 50 μm, inject the elastomeric material of use in injection molding and from template taking-up by the template,
The feeding-in roll of sample 31~sample 33 of the manufacture with the drum surface that surface roughness Rz is more than 10 μm.
(evaluation method)
Feeding-in roll to 31~sample of sample 33 tested with the feeding-in roll identical sound ring of 1~sample of sample 30.
Shown in its result table 4 described as follows.Additionally, Figure 10 represents the determination data of the sound ring experiment of the feeding-in roll of sample 31.
(table 4)
| A hardness (°) | Treatment | The width (mm) of convex portion | Rz(μm) | Amplitude | Sound rings (evaluation) | |
| Sample 31 | 50 | Fold | - | 40.0 | 0.4 | B |
| Sample 32 | 50 | Fold | - | 20.0 | 0.6 | C |
| Sample 33 | 50 | Fold | - | 50.0 | 0.2 | B |
(evaluation result)
As shown in chart 4, in drum surface there is provided fold and roughness Rz are more than 10 μm of 31~sample of sample 33
Feeding-in roll can suppress sound ring.With reference to table 2 and table 4, surpass with the width to being not handled by of fin portion drum surface, convex portion
Cross 1.7mm and the sample 11 for below 2.0mm compares, in drum surface there is provided the paper feeding of the 31~sample of sample 33 of fold
Roller can suppress sound ring.Even being positioned apart from therefore, it is possible to estimate on the surface of cylinder, in circumferencial direction hollow opening
There is the feeding-in roll of fin portion and the multiple direction of principal axis grooves discontinuously extended along axis direction, it is also possible to by setting fold, making
The surface roughness Rz of fin portion drum surface turns into more than 10 μm, produces the effect for suppressing sound ring.
In addition, comparing in drum surface the 31~sample of sample 33 there is provided fold, the roughness Rz of drum surface is 40 μ
The sample 31 and sample 33 of more than m are better than the effect for suppressing sound ring of the sample 32 that roughness Rz is 20 μm.
All features of this implementation method for disclosing and embodiment are only to illustrate, but the invention is not limited in above-mentioned reality
Apply mode and embodiment.The scope of the present invention is displayed in claim without being shown in the above-described embodiment and examples,
With the mutually convertible same range of the claims in the present invention or with equivalency range in, can add it is various modification or deformation institutes
Have altered.
(description of reference numerals)
1st, pickup roller
2nd, feed rollers
3rd, roller is postponed
4th, torque limiter
5th, paper
6th, carton
20th, cylindrical portion
21st, the drum surface in fin portion
22nd, 22a, 22b, 22c, 22d, direction of principal axis groove
31st, wall
Claims (5)
1. a kind of feeding-in roll, is the feeding-in roll that fin portion and multiple direction of principal axis grooves are provided with the surface of cylinder, wherein,
Multiple direction of principal axis grooves discontinuously extend along axis direction and it is spaced apart in a circumferential direction set,
The direction of principal axis groove adjacent in a circumferential direction at intervals of below 2mm, the surface of the drum surface in the fin portion
Roughness Rz is more than 10 μm.
2. feeding-in roll according to claim 1, wherein,
The interval of the direction of principal axis groove adjacent in a circumferential direction is not fixed, but is differed.
3. feeding-in roll according to claim 1 and 2, wherein,
Mutually stagger the direction of principal axis groove adjacent in a circumferential direction position in the axial direction.
4. feeding-in roll according to claim 1 and 2, wherein,
The drum surface in the fin portion is lapped face.
5. feeding-in roll according to claim 1 and 2, wherein,
The drum surface in the fin portion is etching surface.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015187470A JP2017061358A (en) | 2015-09-24 | 2015-09-24 | Paper feed roller |
| JP2015-187470 | 2015-09-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106882614A true CN106882614A (en) | 2017-06-23 |
Family
ID=58429060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610829077.9A Pending CN106882614A (en) | 2015-09-24 | 2016-09-18 | Feeding-in roll |
Country Status (2)
| Country | Link |
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| JP (1) | JP2017061358A (en) |
| CN (1) | CN106882614A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021070557A (en) * | 2019-10-30 | 2021-05-06 | 住友理工株式会社 | Paper feeding device, paper feed roll and separation roll |
| CN115916675A (en) * | 2020-07-03 | 2023-04-04 | Nok株式会社 | Roller |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000159375A (en) * | 1998-11-20 | 2000-06-13 | Ricoh Co Ltd | Conveyance roller and its manufacture |
| EP1199274A2 (en) * | 2000-10-16 | 2002-04-24 | Tokai Rubber Industries, Ltd. | Sheet feed roller |
| JP2004149295A (en) * | 2002-10-31 | 2004-05-27 | Tokai Rubber Ind Ltd | Paper feeding roll made from urethane, and its manufacturing method |
| CN1762779A (en) * | 2004-10-18 | 2006-04-26 | 北辰工业株式会社 | Sheet feed roll |
| JP2007176620A (en) * | 2005-12-27 | 2007-07-12 | Tokai Rubber Ind Ltd | Paper feeding roller |
| JP2014055055A (en) * | 2012-09-13 | 2014-03-27 | Yamauchi Corp | Paper feed roller |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10181896A (en) * | 1996-12-20 | 1998-07-07 | Sumitomo Rubber Ind Ltd | Rubber roller for paper feeding/carrying |
| JP4570093B2 (en) * | 2005-08-19 | 2010-10-27 | シンジーテック株式会社 | Paper feeding / conveying separation roll and manufacturing method thereof |
| JP4873470B2 (en) * | 2005-08-24 | 2012-02-08 | シンジーテック株式会社 | Feed separation member |
| JP4116043B2 (en) * | 2006-04-14 | 2008-07-09 | 住友ゴム工業株式会社 | Rubber roller for image forming device |
-
2015
- 2015-09-24 JP JP2015187470A patent/JP2017061358A/en active Pending
-
2016
- 2016-09-18 CN CN201610829077.9A patent/CN106882614A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000159375A (en) * | 1998-11-20 | 2000-06-13 | Ricoh Co Ltd | Conveyance roller and its manufacture |
| EP1199274A2 (en) * | 2000-10-16 | 2002-04-24 | Tokai Rubber Industries, Ltd. | Sheet feed roller |
| JP2004149295A (en) * | 2002-10-31 | 2004-05-27 | Tokai Rubber Ind Ltd | Paper feeding roll made from urethane, and its manufacturing method |
| CN1762779A (en) * | 2004-10-18 | 2006-04-26 | 北辰工业株式会社 | Sheet feed roll |
| JP2007176620A (en) * | 2005-12-27 | 2007-07-12 | Tokai Rubber Ind Ltd | Paper feeding roller |
| JP2014055055A (en) * | 2012-09-13 | 2014-03-27 | Yamauchi Corp | Paper feed roller |
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| JP2017061358A (en) | 2017-03-30 |
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Application publication date: 20170623 |