CN101316778A - A separating arrangement - Google Patents

A separating arrangement Download PDF

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Publication number
CN101316778A
CN101316778A CNA2006800449194A CN200680044919A CN101316778A CN 101316778 A CN101316778 A CN 101316778A CN A2006800449194 A CNA2006800449194 A CN A2006800449194A CN 200680044919 A CN200680044919 A CN 200680044919A CN 101316778 A CN101316778 A CN 101316778A
Authority
CN
China
Prior art keywords
roller
sheet material
group
sheet
parallel
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.)
Granted
Application number
CNA2006800449194A
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Chinese (zh)
Other versions
CN101316778B (en
Inventor
L·古斯塔夫松
J·桑德马克
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Glory Global Solutions International Ltd
Original Assignee
De la Rue Cash Systems AB
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by De la Rue Cash Systems AB filed Critical De la Rue Cash Systems AB
Publication of CN101316778A publication Critical patent/CN101316778A/en
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Publication of CN101316778B publication Critical patent/CN101316778B/en
Expired - Fee Related legal-status Critical Current
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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
    • B65H3/46—Supplementary devices or measures to assist separation or prevent double feed
    • B65H3/52—Friction retainers acting on under or rear side of article being separated
    • B65H3/5246—Driven retainers, i.e. the motion thereof being provided by a dedicated drive
    • 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
    • B65H3/0623—Rollers or like rotary separators acting at least during a part of each separation cycle on the articles in a direction opposite to the final separating direction
    • 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
    • B65H3/0653—Rollers or like rotary separators for separating substantially vertically stacked articles
    • 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
    • B65H3/46—Supplementary devices or measures to assist separation or prevent double feed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
    • B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
    • B65H7/06—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed
    • B65H7/12—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed responsive to double feed or separation
    • 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
    • B65H2404/14—Roller pairs
    • B65H2404/144—Roller pairs with relative movement of the rollers to / from each other
    • B65H2404/1441—Roller pairs with relative movement of the rollers to / from each other involving controlled actuator
    • 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
    • B65H2404/50—Surface of the elements in contact with the forwarded or guided material
    • B65H2404/53—Surface of the elements in contact with the forwarded or guided material with particular mechanical, physical properties
    • B65H2404/531—Surface of the elements in contact with the forwarded or guided material with particular mechanical, physical properties particular coefficient of friction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/20—Location in space
    • B65H2511/22—Distance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/20—Location in space
    • B65H2511/22—Distance
    • B65H2511/224—Nip between rollers, between belts or between rollers and belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/50—Occurence
    • B65H2511/51—Presence
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/50—Occurence
    • B65H2511/52—Defective operating conditions
    • B65H2511/524—Multiple articles, e.g. double feed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/50—Timing
    • B65H2513/52—Age; Duration; Life time or chronology of event
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/19—Specific article or web
    • B65H2701/1912—Banknotes, bills and cheques or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)

Abstract

An arrangement for the separation of an end sheet (21) from a group of parallel sheets overlapping each other comprises a pair of parallel rotatable rollers, which between themselves form a roller nip, the group of sheets moving in the plane thereof toward the roller nip with heading edges substantially parallel to the rollers, and a first one of the rollers being arranged to rotate in a first direction in order to contact and convey the end sheet (2') in the feed direction thereof. The second roller is arranged rotatable in the same rotational direction as the first roller. The envelope surface of the first roller has a higher friction coefficient than the second roller. A displacement arrangement is arranged to mutually bias the rollers into contact against each other, and that the rollers are mutually directed for the displacement toward and away from each other.

Description

Disengagement gear
The present invention relates to a kind of the sort of disengagement gear of in the preorder of appended independent claims, being seen.
As everyone knows, for example exporting the sheet security the security from a described stacks of sheets or a well-regulated bundle material, Valued Securities particularly, for example resemble in the device of banknote, tightly suppress the end sheet of a described stacks of sheets with actuator with regulation friction coefficient, and removable drive by this way is so that end sheet moves away a described stacks of sheets in its plane.As everyone knows, actuator is often not only carried end sheet, but also from a described stacks of sheets, carry one or more adjacent sheet material, and in that respect, same well-known, make actuator that sheet material/described one group of sheet material is transported to disconnector, in described disconnector, many the sheet materials of be not intended to carrying are separated with end sheet and processed, further carry end sheet simultaneously, be used for further handling in addition.Repeat output function from start to finish, leave the disconnector of orderly feeding sheets until the sheet material that detects predetermined quantity.
Yet problem is that the adjacent described one phase mutual friction of pricking between the sheet material may be significantly different in different described bundle sheet materials.And described one pricks that the phase mutual friction between the adjacent sheet may be higher in the sheet material, and therefore, the sort of output function of pointing out requires in output function one group of extra sheet material to follow end sheet more frequently.Even disconnector can separate the sheet material that is not intended to conveying, but the sheet material that its shortcoming is separated device separates is not directly to be sent to predetermined final destination when handling.
If the phase mutual friction in a described stacks of sheets between each sheet material is high loathsomely, then may take place by the number of sheets of actuator sucking-off from a described stacks of sheets so bigly in output function in addition, so that disconnector can not separate the sheet material of extra conveying.Further produce other problems then, these problems mean that whole group sheet material must turn to, and these problems also mean, the output function of actuator can not cause any sheet material can both be further to carry through disconnector, and comprises that requirement delivers to the sheet material transmission of some among the terminal user.Certainly, this means, all the conveying operations time delay.
Have been noted that in many cases friction force is big mutually between each sheet material in the described stacks of sheets.For example, if sheet material comprises that with described one folded or described one form of pricking directly from the banknote of seal paper money factory or other similarity, the mutual adhewsive action of each sheet material then may be bigger.Especially working as sheets/banknotes is to use some plastic material, when making such as polypropylene, notices, and friction force is big mutually in the described stacks of sheets.Yet, problem is not limited to these situations, and when changing, the friction force between each sheet material in the described stacks of sheets also takes place, because output unit should be conditioned, so that provide and send preferably single sheets reliably, and disconnector must can solve its task, but also preferably should remove impassabitity disconnector and the described one group of sheet material that can not separated device separates.
Therefore, the purpose of this invention is to provide a kind of disengagement gear, solve described problem whole or in part by this disengagement gear.
Reach described purpose by the present invention.
The present invention limits in appended independent claims.
The one group of sheet material that has passed out to disconnector from a stacks of sheets in its plane should be a low speed in the entrance of disconnector, so that disconnector is operated suitably.Prick the speed of sending end sheet the sheet material because a variety of causes should be high from described one, for example, for single sheet of material can be sent fast, and far away as far as possible, produce fast velocity contrast in order to prick between the end sheet of sheet material and the adjacent sheet described one from a described stacks of sheets.Therefore, the speed of end sheet and the adjacent sheet that may carry must reduce before described one group of sheet material contact separation device.
Accordingly, in a preferred embodiment, suitable disconnector can comprise two cylinder or rollers that are adjacent to mutually and can rotate separately.The direction rotation that a court in the separator roller is identical with driver roller.Therefore, above-mentioned first separator roller and driver roller can be by the common drive direct motor drive, and intercouple by fixing driving device.Second separator roller preferably is arranged to can be towards the direction rotation opposite with first separator roller.One group of sheet material of sending into towards the nip direction that enters the mouth between the separator roller is directed in that respect, so that end sheet is near first separator roller, therefore and other sheet material in described one group of sheet material is near second separator roller, and turned to by described second separator roller at the entrance side of nip thus.Because in fact described one group of sheet material has low velocity in the entrance of separator nip, and other second separator roller has the rotation of indication, so the sheet material of being carried by end sheet turns at the entrance side of separator nip, and can turn to, so that handle in a manner known way.
In order to make disconnector have suitable separation function, require the surface of first roller to have surperficial high friction coefficient, and in addition, require certainly the abutment pressure between the separator roller can be remained in the limited scope, no matter wearing and tearing how than second roller.
Although the structure of adjustable contact force weares and teares in that respect between the known maintenance roller, still obtain high price.According to further exploitation of the present invention, adopted special mobile device for this reason, to compress in the separator roller by the power that can be easy to control, described mobile device is irrelevant with the wearing and tearing of separator roller basically, and irrelevant with the vary in diameter of back thus.According to the present invention, this device can constitute with screw actuator, and described screw actuator comprises magnet winding and interchangeable thus iron core.Those skilled in the art is known, and this screw actuator produces propulsive effort, and the electric current that described propulsive effort applies along with the driving voltage from regulation is along mobile route and great changes have taken place.Yet, by guaranteeing only to utilize solenoidal sub-fraction moving of being used for that separator roller is parallel to each other that may move distance, obtain following state, promptly when constant voltage, the power that is applied by screw actuator becomes with the electric current that applies linear basically.Therefore, can drive in the movable separator roller one and lean against on second separator roller by power, described power can be easy to control, and is not subjected to solenoidal effective length to change the influence of (wearing and tearing of separator roller).
Below, with reference to the accompanying drawings by example explanation the present invention.
Fig. 1 schematically illustrates and is used for described one and pricks the output unit of each single sheet of material of sheet material and the lateral plan of disconnector.
Fig. 2 schematically illustrates to the control output unit leans against described one and pricks the device of the abutment force of sheet material.
Fig. 3 schematically illustrates the device of abutment force between two rollers that are used to control disconnector.
Fig. 4 schematically illustrate under constant driving voltage and the exciting current by the variation of screw actuator applied force in its whole trip distance scope.
Fig. 5 illustrates screw actuator in the fraction scope internal force of solenoidal trip distance and the relation between the feeding current.
In Fig. 1, bottom 3, one stacks of sheets 1 are shown are placed on the described bottom 3.A described stacks of sheets 1 comprises the sheet material that piles up mutually, and for example as banknote, described sheet material has identical form usually, and has its extended surface perpendicular to bottom surface 3 usually, and described bottom surface 3 is parallel to the adjacent face of a described stacks of sheets.A described stacks of sheets 1 is given on direction 4 at it and is moved, so that its end sheet 2 ' tightly suppress outlet roller 12, described outlet roller 12 is parallel to bottom 3 and opens sheet material 2, and above bottom 3 a described stacks of sheets 1 of place contact highly, described height is preferably in the first half highly, the i.e. distance in the 0.4-0.9h scope above bottom 3.
A described stacks of sheets 1 is by power N 2 Tightly suppress roller 12, above-mentioned power N 2Cooperate with the friction coefficient of the circumferential surface of roller 12, when roller 12 rotations, produce the displacing force of selected end sheet 2.
A described stacks of sheets 1 can move with respect to roller 2 with bottom 3.Replacedly, a described stacks of sheets 1 can move along bottom 3.Bottom 3 is arranged in the zone of end sheet 2 ' below at least.In Fig. 1, see disconnector 48 in addition, described disconnector 48 is arranged to when upwards sending sheet material with end sheet 2 in its plane, receives and guide to pass end sheet 2.If end sheet 2 ' be attended by one or more adjacent sheet 2 in the described stacks of sheets, disconnector then works, make the sheet separation followed and turn to, and they are turned to by steering hardware 49 (not being shown specifically), so that only make single sheet of material, be end sheet 2 ' by disengagement gear, and further be directed to conveyer 60.Sensor 61 can be arranged on beyond the disconnector 48, and detect the banknote pass through, for example for detect may follow terminal banknote 2 ' banknote 2, therefore in this case, can make described one group of banknote 2,2 of passing through ' turn in a manner known way by steering hardware 61.
Disconnector 48 illustrates and comprises two cylinder rollers 11,31, and described two rollers 11,31 are parallel to each other, and compress toward each other.Electrical motor 10 is shown to be driven separator roller 11 and drives outlet roller 12 by another driving device 22 by belt transmission 21 rotations.Second separator roller 31 is driven by electrical motor 31 rotations by driving device 41, and roller 31 to be independent of the rotation of roller 11 be rotatable.
When from a described stacks of sheets 1, sending 2 ' time of end sheet, roller 12 at first is rotated towards the first hand of rotation 12A, so that end sheet 2 ' quilt drives towards bottom 3 directions, and experience in that respect in bottom 3 and the elastic heave shape between the contact point between a roller 12 and the described stacks of sheets 1.In that respect, sheet material 2 ' fed distance little so that guarantee sheet material 2 ' protuberance be elasticity, and the sheet material 2 of protuberance ' still be in roller 12 contacts.Secondly, make the rotation of roller 12 reverse, so that roller 12 rotates towards hand of rotation 12B, thus, end sheet 2 ' move up is left the inlet nip of bottom 3 between separator roller 11,31.If end sheet 2 ' when the disconnector direction is moved, be attended by one or more adjacent sheet at it, as long as described one group of sheet material enters disconnector 48 under low speed, then can be with the described sheet material of following 2 and end sheet 2 ' separate.By making roller 31, make the circumferential surface inverted running of its circumferential surface and roller 11 like this, thereby make the sheets/banknotes of following 2 obtain separating effect towards direction rotation.The enveloping surface of roller 11 has coefficientoffriction 1, described coefficientoffriction 1The coefficientoffriction that is higher than roller 31 2, and the opposite hand of rotation of roller 11 and 31 requires the upper limb of the sheet material 2 that the circumferential surface of roller 31 can follow along longer distance affects, obtains the actv. separation process so that compare with the roller 31 that is in idle running.The circumferential velocity of roller 31 is usually less than the circumferential velocity of roller 1.Banknote 2 ' output function in several milliseconds period, carry out.
The effective separation of each single sheet of material that enters described one group of sheet material of disconnector 48 means that each single sheet of material enters disconnector under low speed, but roller 12 must under high speed, send sheet material 2 in the described stacks of sheets 1 ', so that output function can be carried out in the period that must lack.Because the driving motor 10 of roller 10 is configured to quicken fast roller 12, then with roller 12 brakings, so this function can be utilized in an advantageous manner by the following fact, promptly during sheet material 2 ' towards disconnector 48 directions is carried, make roller 12 and make thus sheet material 2 ' and the sheet material 2 that may follow ' accelerating action and deceleration effort repeat one or many.Each end sheet 2 ' this continuous accelerating action during, improved end sheet 2 ' with the possibility of separating near sheet material 2.
By roller 12 with in check mode drive end sheet 2 ' mean wherein roller 12 is leaned on end sheet 2 ' abutment force remain in the limited scope.
Thus, suggestion is with roller 12 ' be arranged to and can move towards the sense of motion 4 of described stacks of sheets 1.The connecting element 70 that is used for the footstalk of roller 12 is supported by supporting member 80 by the spring 71 with known spring performance.The distance that sensor 72 detects between supporting member 80 and the connecting element 70.This represents to rely on the supporting power of footstalk one end apart from S.Under the situation of the two ends of axle corresponding configuration, roller 12 ' dependence end sheet 2 ' normal force N 2Can keep by push rod 75, described push rod 75 applies and is used for the power that sensor 72 detects preset distance S.
Because the roller in disconnector 48 11,31 relative to one another or lean on the sheet material 2 be positioned at them and slide, so roller 11,31 is worn, this wearing and tearing mean that roller 11,31 must be able to be movable relative to each other, and compressed by outer force transducer, so that have the predetermined power that adjoins each other N 0(Fig. 3).
Further develop according to the present invention, owing to that reason, suggestion is arranged in the coaxial plane and can moves towards another roller 11 directions are parallel one in the separator roller, the axle journal of roller 31 is accommodated in the corresponding movable fixed part 33, and described connecting element 33 moves by corresponding linear solenoid 90.
Fig. 4 illustrates, and this commercially available screw actuator 90 has linear course length, and described linear course length is at minimum value L MinWith maxim L MaxBetween.When constant voltage U and continuous current I were added on this screw actuator, this screw actuator produced change power in its trip distance scope.This makes plain solenoid be considered to not too be suitable for the control of power.
We find, to this screw actuator, can select little trip distance scope δ 1, at described little trip distance scope δ 1In, can think that power is linear.In that respect, Fig. 5 illustrates, and under the constant excitation voltage U, is easy to the power that control solenoid 90 produces by feeding current I proportional with it.Like this, the total abutment pressure between the very hopeful maintenance separator roller, and the wearing and tearing of compensating roller 11,31.
Utilize the special advantage of the roller 11,31 that compresses toward each other to be, one group of sheet material 2 ', 2 can not separated device separately and still under the situation at the inlet nip of disconnector, this situation can detect by for example sensor 49, and this detection causes screw actuator 90 withdrawals, can pass through disconnector so that described one pricks sheet material, the sensor 61 that is positioned at the disconnector downstream detects many sheet materials by disconnector simultaneously, and orders steering hardware 62 that described one group of sheet material is turned in that respect.In addition, alternative is that assembly must stop, and waits for operating personal queueing problem (removing a described bundle sheet material of the entrance side that abuts against disconnector 48).
Use screw actuator 90 to mean that certainly the wearing and tearing of roller 11,31 are smaller, promptly the axial distance length between the roller 11,31 is short, and is more much smaller than solenoidal maximum length of stroke.
Can understand from the structure of Fig. 1, roller 12 can be by electrical motor 10 by driving device 21,22 direct drives, and roller 11 can also use electrical motor 10 direct drives, promptly do not need free gear or other analogue.Same situation is applicable to roller 31, and this roller 31 passes through driving device 41 direct drives by electrical motor 30.
By making roller 31 towards the direction rotation opposite with roller 11, the sliding motion that in the enveloping surface of roller 31 and described one group of sheet material, obtains prolonging between the end edge of each single sheet of material, described one group of sheet material is sent sheet material roller 12 to take the roll nip of disconnector to.

Claims (5)

1. one kind is used for separating the device of end sheet (2 ') from one group of parallel sheet material, described one group of parallel sheet material is stacked mutually, described disengagement gear comprises the rotatable roller of pair of parallel, the rotatable roller of described pair of parallel forms roll nip between they self, described one group of sheet material moves towards the roll nip direction in its plane, and its leading edge is parallel with roller basically, and first in the roller is configured to rotate towards first direction, so that contact and conveying end sheet (2 ') on its throughput direction, it is characterized in that second roller is configured to towards the hand of rotation identical with first roller rotatable; The enveloping surface of first roller has the friction coefficient higher than second roller; Mobile device is configured to each roller of mutual bias voltage and each roller is contacted toward each other; And each roller phase mutual designation is used for towards each other and moving away from each other.
2. according to the described disengagement gear of claim 1, it is characterized in that by mutual bias voltage, described mobile device can drive each roller, to apply chosen mutual biasing force between each roller by mobile device.This biasing force is independent of axial distance variation between each roller that produces because of wearing and tearing basically; The action direction that one device is used to suspend or put upside down mobile device is set, is used to make and passes through by one group of sheet material separated and impassabitity roll nip thus so that roller can be separated; Sensor is positioned at the upstream of described pair of rolls, and is arranged to detect the existence of the one group of sheet material that comprises at least one sheet material; And evaluation means is set, makes biasing device allow sheet material to prick after predetermined period of signal to pass through so that exist from the sheet material of sensor.
3. according to each described disengagement gear among the claim 1-2, it is characterized in that, described biasing device comprises linear solenoid, utilize the fraction of the maximum length of stroke of described linear solenoid, so that compensate the wearing and tearing of the face that adjoins each other of each roller, thus, the biasing force that applies is constant basically in described compartment, and each roll shaft that causes owing to wearing and tearing allows to the change of distance.
4. according to the described disengagement gear of claim 3, it is characterized in that comprise that being used to change solenoid-activated power is used for the device of biasing force of control solenoid, this device is included in the device that changes the screw actuator feeding current under the constant voltage, thus, biasing force and feeding current are proportional basically.
5. according to each described disengagement gear among the claim 1-4, it is characterized in that second sensor is arranged on the downstream of described pair of rolls; And second sensor is set to distinguish sheet material and the one group of sheet material that passes through separately; And be provided with second sensor with the guiding steering hardware will be one group of sheet material by roll nip redirect to storage area; And steering hardware is set, is used to transport so that single sheet material is delivered to transport section.
CN2006800449194A 2005-12-01 2006-11-30 A separating arrangement Expired - Fee Related CN101316778B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE0502629A SE531523C2 (en) 2005-12-01 2005-12-01 separation device
SE05026299 2005-12-01
SE0502629-9 2005-12-01
PCT/SE2006/001371 WO2007064283A1 (en) 2005-12-01 2006-11-30 A separating arrangement

Publications (2)

Publication Number Publication Date
CN101316778A true CN101316778A (en) 2008-12-03
CN101316778B CN101316778B (en) 2011-03-30

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Application Number Title Priority Date Filing Date
CN2006800449194A Expired - Fee Related CN101316778B (en) 2005-12-01 2006-11-30 A separating arrangement

Country Status (5)

Country Link
US (1) US20100148424A1 (en)
EP (1) EP1954613A4 (en)
CN (1) CN101316778B (en)
SE (1) SE531523C2 (en)
WO (1) WO2007064283A1 (en)

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Publication number Priority date Publication date Assignee Title
DE102009039066A1 (en) * 2009-08-27 2011-03-10 Siemens Aktiengesellschaft Device and method for separating flat objects with compensation of wear

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JP4364012B2 (en) * 2003-05-14 2009-11-11 株式会社東芝 Paper sheet double feed detection device and double feed detection method
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JP2005330065A (en) * 2004-05-20 2005-12-02 Toshiba Corp Paper sheet removing device
JP2007153560A (en) * 2005-12-06 2007-06-21 Fuji Xerox Co Ltd Sheet feeder and image forming device

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SE0502629L (en) 2007-06-02
WO2007064283A1 (en) 2007-06-07
US20100148424A1 (en) 2010-06-17
EP1954613A4 (en) 2011-03-30
SE531523C2 (en) 2009-05-05
CN101316778B (en) 2011-03-30
EP1954613A1 (en) 2008-08-13

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