EP2690040B1 - Dispositif de séparation d'objets plats pliables individuels de la face inférieure d'une pile de tels objets - Google Patents

Dispositif de séparation d'objets plats pliables individuels de la face inférieure d'une pile de tels objets Download PDF

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Publication number
EP2690040B1
EP2690040B1 EP13405084.8A EP13405084A EP2690040B1 EP 2690040 B1 EP2690040 B1 EP 2690040B1 EP 13405084 A EP13405084 A EP 13405084A EP 2690040 B1 EP2690040 B1 EP 2690040B1
Authority
EP
European Patent Office
Prior art keywords
supporting
rollers
stack
support region
objects
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.)
Not-in-force
Application number
EP13405084.8A
Other languages
German (de)
English (en)
Other versions
EP2690040A2 (fr
EP2690040A3 (fr
Inventor
Alex Keller
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.)
Ferag AG
Original Assignee
Ferag AG
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 Ferag AG filed Critical Ferag AG
Publication of EP2690040A2 publication Critical patent/EP2690040A2/fr
Publication of EP2690040A3 publication Critical patent/EP2690040A3/fr
Application granted granted Critical
Publication of EP2690040B1 publication Critical patent/EP2690040B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65H3/08—Separating articles from piles using pneumatic force
    • B65H3/0808—Suction grippers
    • B65H3/085—Suction grippers separating from the bottom of pile
    • 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
    • B65H3/063—Rollers or like rotary separators separating from the bottom of pile
    • 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
    • B65H3/08—Separating articles from piles using pneumatic force
    • B65H3/0808—Suction grippers
    • B65H3/085—Suction grippers separating from the bottom of pile
    • B65H3/0858—Suction grippers separating from the bottom of pile this action resulting merely in a curvature of each article being separated
    • 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
    • B65H3/08—Separating articles from piles using pneumatic force
    • B65H3/0808—Suction grippers
    • B65H3/085—Suction grippers separating from the bottom of pile
    • B65H3/0858—Suction grippers separating from the bottom of pile this action resulting merely in a curvature of each article being separated
    • B65H3/0866—Suction grippers separating from the bottom of pile this action resulting merely in a curvature of each article being separated the final separation being performed 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
    • B65H3/00—Separating articles from piles
    • B65H3/32—Separating articles from piles by elements, e.g. fingers, plates, rollers, inserted or traversed between articles to be separated and remainder of the pile
    • 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
    • B65H3/50—Elements, e.g. fingers, plates, rollers, inserted or traversed between articles to be separated and remainder of the pile
    • 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
    • B65H5/08—Feeding articles separated from piles; Feeding articles to machines by grippers, e.g. suction grippers
    • B65H5/12—Revolving grippers, e.g. mounted on arms, frames or cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/42—Piling, depiling, handling piles
    • B65H2301/423—Depiling; Separating articles from a pile
    • B65H2301/4232—Depiling; Separating articles from a pile of horizontal or inclined articles, i.e. wherein articles support fully or in part the mass of other articles in the piles
    • B65H2301/42322—Depiling; Separating articles from a pile of horizontal or inclined articles, i.e. wherein articles support fully or in part the mass of other articles in the piles from bottom of the pile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/42—Piling, depiling, handling piles
    • B65H2301/423—Depiling; Separating articles from a pile
    • B65H2301/4233—Depiling; Separating articles from a pile by peeling, i.e. involving elongated elements traversing pile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/447—Moving, forwarding, guiding material transferring material between transport devices
    • B65H2301/4471—Grippers, e.g. moved in paths enclosing an area
    • B65H2301/44714—Grippers, e.g. moved in paths enclosing an area carried by rotating members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/447—Moving, forwarding, guiding material transferring material between transport devices
    • B65H2301/4473—Belts, endless moving elements on which the material is in surface contact
    • B65H2301/44732—Belts, endless moving elements on which the material is in surface contact transporting articles in overlapping stream
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2403/00—Power transmission; Driving means
    • B65H2403/50—Driving mechanisms
    • B65H2403/51—Cam mechanisms
    • B65H2403/512—Cam mechanisms involving radial plate cam

Definitions

  • the invention is in the field of promotion of flat, bendable objects, in particular of printed products, and relates to a device according to the preamble of the independent claim.
  • a device is for example in the WO 2008/000099 A1 and in the EP 2 128 055 A2 disclosed.
  • the device is used for separating individual flat, bendable objects from the bottom of a stack of such objects and the removal of the objects.
  • the device is used in particular for the separation of individual printed products from the underside of a printed products product stack and for conveying away the printed products.
  • the WO 2008/000099 describes a device for separating individual flat, bendable printed products from the underside of a printed product pile and the conveying away of the printed products.
  • the device includes a stacking space with a support area in which the stack is supported against the bottom.
  • the apparatus further comprises a roller carpet having a plurality of rollers freely rotatable about its longitudinal axis, which are moved along an orbit below the support area and thereby support the printed product stack against the bottom.
  • the rollers are fastened to a rotatable roller wheel or coupled thereto.
  • the device contains circumferential separating and holding means in the form of pairs cooperating suction elements and grippers for separating the objects from the bottom of the stack. The roles are in the Supporting area rectified with the separating and holding means under the stack moves over.
  • the device also comprises a removal device for conveying away the separated objects.
  • the removal of individual printed products is done by a vacuum circulating in the support area suction sucks from the bottom of the lowest printed product and this pulls down by its circulation movement. When removing the printed product this is introduced with the leading edge in the gripper mouth of a taktsynchron in the support area rotating gripper. The gripper grips the printed product with a closing movement. In the same process step, a subsequent support roller moves between the bottom of the stack and the detached printed product and peels it off during its movement through the support area from the stack.
  • the circulating, closed gripper conveys the peeled printed product further down to a removal device and transfers it to the removal device.
  • the withdrawn printed product is partially conveyed in this process in the interior of the roll carpet and in this position a little way in sync with the roll carpet before it is deposited on the conveyor belt of the removal device.
  • the EP 2 128 055 A2 also describes apparatus for separating printed products from the underside of a printed product stack and for conveying the separated printed products away.
  • the apparatus includes a stacking space having a support portion in which the stack is supported downwardly.
  • the device includes a revolving roller carpet with a plurality of freely rotatable about its longitudinal axis rollers, which through the support area be moved while supporting the stack against the bottom.
  • the device contains circumferential separating and holding means in the form of suckers and grippers for separating the objects from the bottom of the stack. The rollers are moved in the support area rectified with the separating and holding means under the stack over.
  • the device also comprises a removal device for conveying away the separated objects.
  • the rollers of the roller carpet are coupled to at least one roller wheel.
  • the coupling is designed in accordance with this embodiment such that the rollers are pivotable with their longitudinal axis relative to the roller wheel.
  • the removal of individual printed products is done by a vacuum circulating in the support area suction sucks from the bottom of the lowest printed product and this pulls down by its circulation movement. When removing the printed product this is introduced with the leading edge in the gripper mouth of a taktsynchron in the support area rotating gripper. The gripper grips the printed product with a closing movement.
  • the rollers are in turn pivoted by a control in a release area of the orbit. As a result, an opening in the roll carpet is generated in the release area through which the removal device is guided.
  • the printed product which is completely conveyed by the grippers into the interior region of the roll carpet, is now guided out of the inner region through the opening in the roll carpet, outside the sphere of influence of the rolls, and transferred to the removal belt of the removal device.
  • the invention therefore has the object to provide a device which serves the same purpose as the devices described above, in which, however, even with very thin printed products no walking occurs, and which therefore a trouble-free deduction even with relatively thin printed products from the stack allowed.
  • the separating and holding means are preferably arranged circumferentially along an orbit.
  • the rollers of the roller arrangement are preferably movable in the support area below the stack.
  • the rollers preferably move in the same direction as the separating and holding means revolving below the support region, under the stack.
  • the rollers preferably clamp a support surface in the support region.
  • the support surface may be formed as a plane or curved surface.
  • the roller arrangement can be designed for a translational movement of the rollers in the support area.
  • the translational movement may be, for example, a reciprocating motion.
  • the rollers are moved along an orbit which leads past the support area.
  • a plurality of spaced-apart rollers may be arranged, which form a so-called revolving roller carpet, which is moved in the support area under the stack and supports it down.
  • the rollers are preferably moved spaced apart at least in the support area.
  • two mutually oppositely disposed roller arrangements can also be provided, which jointly form the support plane in the support area.
  • the two roller assemblies are preferably each moved along an orbit.
  • the two roller assemblies are preferably mirror-symmetrical to each other.
  • Between the opposing rollers, in particular a centrally arranged gap may be provided in the support region through which z. B. the circulating separating and holding means are moved.
  • the roller arrangements can, for. B. may be mounted in each case on a rotating roller wheel.
  • the rollers of the roller arrangement are preferably freely rotatably mounted at least in the support region about their longitudinal axis.
  • the direction of movement of the rollers through the support area extends transversely to the longitudinal axis of the rollers.
  • the device includes a Unterstell adopted for positioning a Unterstellstoffs in a holding position between the stack and the rollers of the roller assembly. That the lowering element is in the holding position below the stack. It is preferably in direct contact with the lowermost article of the stack.
  • the sub-setting means located in the holding position and the rollers of the roller arrangement are furthermore preferably located in the support area in planes extending parallel to one another.
  • the Unterstell nerve is preferably arranged laterally from the support area.
  • the sub-setting device is preferably designed and arranged such that the sub-adjusting means can be retracted toward the supporting area towards the direction of movement of the rollers in the direction of the supporting area and driven out of the supporting area counter to this direction of movement.
  • the Unterstellstoff is preferably a sheet-like Unterstellelement.
  • the sub-control means may extend partially or completely over the support area in the holding position.
  • the support area is expediently defined by the bearing surface of the objects.
  • the Unterstellstoff exerts in addition to the roles of an additional supporting function on the stack. It can therefore also be considered as another proppant.
  • the sub-adjusting means extends in the holding position along the direction of movement, in particular viewed in the direction of rotation of the rollers, preferably over at least two rollers. That is, the Unterstellsch forms a support surface at least over a lying between two rollers free gap. This prevents sagging of the articles of the stack between the two rollers.
  • the sub-adjusting means extends over a plurality of rollers and spans a plurality of spaces formed by the rollers.
  • the sub-adjusting means is preferably flexible.
  • the sub-adjusting means may in particular also be designed to be elastic.
  • the sub-control means may be formed in one piece or in several parts, in particular single-membered or multi-membered. Furthermore, the Unterstellstoff can be constructed as a single layer or multi-layered and z. B. contain two, three, four, five or more layers.
  • the sub-control means may be in the form of a chain, a ribbon, a bundle of strings or a strip.
  • the sub-adjusting means is preferably self-supporting. That is, the Unterstellstoff deforms by gravity not or only insignificantly.
  • the Unterstellelement can z. B. made of metal, such as spring steel, plastic, leather or a composite material with multiple materials.
  • the Unterstellstoff may in particular be a sheet.
  • the Unterstellelement can also be plate-shaped.
  • the Unterstellelement is preferably such that it has a low stiction towards the stack, so that a retraction of the Unterstellelements from the support area does not lead to a displacement of the objects or damage derselbigen.
  • a multi-layered Unterstellelement may also have a damping layer to reduce the noise.
  • the damping layer may, for. B. be plastic.
  • the damping layer may be, for example, an outer or inner layer.
  • the Unterstellelement is strip-shaped.
  • the strip-shaped lower adjusting element is in the holding position at an angle to the longitudinal axis of the rollers, in particular at a right angle.
  • the Unterstell Rhein can also several, viewed in the insertion or transverse to the longitudinal axis of the rollers, side by side, in particular parallel juxtaposed Unterstellelemente included.
  • the lower adjustment elements are preferably strip-shaped.
  • the Unterstell Rheinwald further preferably includes an actuating means, in particular pneumatic means for retracting the sub-adjusting means in the direction of the support area.
  • an actuating means in particular pneumatic means for retracting the sub-adjusting means in the direction of the support area.
  • the actuating means should preferably also be designed to extend the sub-control means out of the support area. Extending is the removal of the sub-control means from the support area meant.
  • the extension may, for example, be a withdrawal.
  • the actuating means for retracting and extending the sub-control means may also comprise hydraulic or electrical means.
  • the retraction and extension of the lower setting element also take place at a comparatively high speed. For example, up to 15 items per second can be deducted from the stack. At these speeds, the retraction of the lower adjustment element in the direction of the support area is more like a shoot-in in the direction of the support area. The more important here is the isochronous movement of the sub-control element for the separation process of the objects.
  • the actuating means is expediently controlled by a control device.
  • the control device may be a central control device which also controls the operation of the device.
  • the actuating means is preferably clock-synchronized with the operation of the device.
  • the retraction of the sub-control means in the direction of the support area with an approaching empty cycle, in which no item is withdrawn, or synchronized shutdown of the device can thus also be coordinated with the first cycle with which an object is withdrawn from the stack.
  • the longitudinal axes of the rollers extend in the support area, i. in the region of the stack, where they support the stack against the bottom, preferably parallel to the bottom of the stack.
  • the longitudinal axes of the rollers in the support area are horizontal or slightly inclined.
  • the rollers of the roller assembly are preferably coupled to at least one rotating wheel wheel.
  • the coupling of the rollers to a rotating roller wheel allows a simple construction of the device and a reliable guidance of the roller assembly along its orbit.
  • the separating and holding means are preferably arranged on a revolving carrier wheel.
  • Carrier wheel and roller wheel preferably have the same direction of rotation.
  • Roller wheel and carrier wheel preferably have parallel axes of rotation.
  • the release and holding means preferably comprise at least one suction element and at least one gripper. Suction element and gripper cooperate in pairs.
  • the object is removed, it is inserted with the leading edge into the gripper jaw of a gripper rotating clockwise in the support area.
  • the gripper grips the object with a closing movement.
  • a subsequent support roll moves between the bottom of the stack and the detached object and peels it off while moving through the support area from the stack.
  • the circulating, closed gripper conveys the peeled object further down to a removal device and transfers this to the removal device.
  • the withdrawn object is in this process partially or completely conveyed in the interior of the roller assembly and in this position a little way in sync with the roller carpet before it is then passed to a removal device.
  • the rollers are coupled to the roller wheel so that they are pivotable with their longitudinal axes in each case with respect to the roller wheel.
  • the rollers are in this case pivotable in a release area along the orbit by a control. That is, the roller assembly is swung open in the release area. In this case, the removal device is guided by the pivoted-up roller assembly.
  • the detachment and holding means move the articles in the support area completely through the moving roller arrangement into an inner region of the roller arrangement.
  • the roller arrangement is pivoted open in a direction in the direction of rotation of the rollers release area in which the objects leave the interior, for conveying away the objects.
  • the pivoting of the rollers in the release area is preferably done by a fixed link guide, z. B. in the form of a Steuerkufe.
  • the rollers roll off the control skid.
  • the rollers are freely rotatably mounted about their longitudinal axis in a roller carrier.
  • a rigid slide guide can be used without further moving controls.
  • the Slotted guide is preferably arranged in the interior of the orbit and presses the rollers respectively the roller assembly from the inside.
  • the rollers beyond the roller carrier can be extended to the rear, so that the rear ends of the rollers are pressed against each other by a slotted guide, which is arranged outside the roller assembly and thus move their front ends apart.
  • Other mechanical, pneumatic, hydraulic or electrical actuating means for pivoting the rollers are also usable.
  • the roller carriers are preferably mounted pivotably about a pivot axis on the roller wheel.
  • the latter has two roller wheels lying opposite one another with roller sets facing one another, preferably symmetrical to each other.
  • the axes of the two roller wheels are preferably coaxial, but may also be inclined, for example, towards the interior of the device. In certain applications, however, only a single roller wheel can be appropriate.
  • the at least one roller wheel and the carrier wheel of the suction and gripper parallel axes of rotation, whereby a simple construction is possible.
  • the carrier wheel and the at least one roller wheel are driven in rotation at the same angular speeds, preferably coupled together by the same drive and by a transmission.
  • the device according to the invention can be designed as a feeder, which can be moved, for example.
  • a feeder is designed, for example, for manual refilling with objects by personnel.
  • the device according to the invention can also be integrated into a conveying or processing system, wherein the articles are arranged upstream of the stack Furnishings are supplied individually or in groups and wherein the stack serves as a buffer, for example.
  • items are removed from the stack at a predetermined rate.
  • the withdrawn objects can be designed individually or as a scale flow on the conveyor belt of a removal device and conveyed away.
  • a sub-setting means is now (previously) positioned in the support region between the stack and the roller arrangement.
  • the inventive solution allows with little effort and technical means to eliminate the problem of Walkens on the bottom of the stack.
  • the lower setting element inserted into the support area prevents the objects from bulging between the rollers of the roller arrangement and thus a walking within the stack.
  • the inventive solution also protects the objects to be processed. This is achieved by the Unterstellstoff is not retracted by the actuating means directly between rollers and stack. Rather, the Unterstellstoff is retracted below the support area and outside the contact area with the stack between the rollers and by coming from below Rollers are taken towards the support area and positioned below the stack.
  • the inventive solution also has the advantage that existing devices such as z. B. in the WO 2008/000099 A1 and in the EP 2 128 055 A2 are disclosed, can be retrofitted with the inventive adjusting device.
  • FIG. 1 shows a first embodiment of the inventive device 1 for separating individual flat, bendable objects 2 from a stack 30 of these objects 2 and for conveying away the separated objects 2.
  • Die FIG. 1 corresponds to a side view with a viewing angle parallel to the axis of rotation A of a carrier 3 and roller wheel. 7
  • the device 1 has a stacking space 31, in the flat, at least parallel to the axis of rotation A bendable objects 2, in particular printed products, resting on a still to be described roller assembly in the form of a roll carpet are stacked. In the area where the stack 30 rests the roll carpet, a support region 14 is formed accordingly.
  • a rotating carrier wheel 3 is arranged with suction elements 4 and grippers 5 coupled thereto, which are associated with each other in pairs, such that the axis of rotation A is oriented substantially horizontally and parallel to an edge of the stacked objects 2, and that the Suction elements 4 and gripper 5 are moved approximately centrally under the stack 30 over.
  • the objects 2 wegamidende removal conveyor 6 is arranged below the carrier wheel 3.
  • roller wheel 7 Coaxial with the carrier wheel 3 and axially spaced therefrom is a roller wheel 7, at the periphery of which levers 8 are coupled at regular angular intervals.
  • the levers 8 each have an inner leg 8.1 and an outer leg 8.2.
  • the two legs 8.1 and 8.2 are articulated via a joint 8.3 and thereby parallel to the plane of rotation of the roller wheel 7 against each other pivotally connected to each other.
  • the inner leg 8.1 is pivotally connected to the periphery of the roller wheel 7 parallel to the rotation plane.
  • roller 9 In the distal end of the outer leg 8.2 the aligned perpendicular to the plane of rotation of the roller wheel 7 roller 9 is freely rotatably mounted.
  • the rollers 9 or the distal ends of the outer legs 8.2 are guided in a roller guide 10 (indicated by dashed and dotted lines), the roller guide 10 defining the orbit 11 of the rollers 9.
  • roller wheel 7, levers 8, rollers 9 and roller guide 10 goes out of the FIG. 2 better.
  • the carrier wheel 3 and the roller wheel 7 are driven in rotation at the same angular velocities, in the present illustration in a clockwise direction (direction of rotation R).
  • the suction elements 4 are approximately in the 12 o'clock position to the pivoted detecting edge portions of the stacked objects 2 and the objects 2 are released approximately at the 6 o'clock position by the grippers 5.
  • the carrier wheel 3 and the roller wheel 7 are advantageously driven by a same drive 19 via a common shaft 12. It is possible, as shown, to drive the conveyor belt 13 of the removal device 6 from the same drive 19 from.
  • the device 1 according to FIG. 1 has ten sucker / gripper pairs 4/5 and ten rollers 9, such that each sucker / gripper pair 4/5 a roller 9 is assigned.
  • the roller 9 associated with a nipple / gripper pair 4/5 is moved in the support area 14 downstream of the nipple 4 between the object covered by the nipple 4 and the next object lying thereon.
  • the roller 9 remains, as long as the object 2 is held by suction element 4 or gripper 5, positioned between these two objects 2.
  • each sucker / gripper pair 4/5 can also be assigned more than one roller 9.
  • the suction elements 4 are pivoted during their circulation in a conventional manner by means of corresponding control means relative to a spoke 15 on which they are mounted. Before the 12 o'clock position, they are swung forwards relative to the direction of rotation R. Approximately in the 12 o'clock position (takeover area), they are pivoted for gripping the object 2 between successive rollers 9 in an approximately radial position and then pivoted back for relative to the conveying direction for turning the detected edge area against the open mouth of the trailing gripper 5 , As long as the grippers 5 hold an object, the suckers 4 remain in the backward pivoted position, but after the 6 o'clock position (discharge area) again pivoted to the forward tilted position to be ready for takeover again in the takeover area.
  • the grippers 5 are closed during their rotation by means of corresponding control means (not shown) immediately after the 12 o'clock position (takeover area) and opened again approximately at the 6 o'clock position (delivery area).
  • the defined by the roller guide 10 orbit of the rollers 9 is non-circular and in particular has a support portion 14 (12 o'clock position to about 2 o'clock position) in which the rollers 9 are supported the stack 30 supporting under this.
  • the roller guide 10 extends substantially in a straight line or at least with a relevant larger bending radius than a concentric circle to the roller wheel 7. Since the rollers 9 are to maintain their positions between each two successive objects 2, the support region 14 can not extend to the end of the stacking space 1. For this reason, it may be advantageous to attach a stationary support roller 16 on the rear side of the stacking space 1.
  • the distances between the rollers 9 are relatively small, such that at the entrance of the support region 14 between them just enough large removal openings are present.
  • the distances between the rollers 9 are advantageously further reduced, so that the stack 30 is well supported.
  • the rollers 9 are delayed with respect to their associated teat / gripper pair 4/5 and reach the trailing area of the separated from the stack 30 items. 2
  • a conveyor area (about 2 o'clock position to 6 o'clock position), in which the grippers 5 promote the completely separated from the stack of items 2, which advantageously by a support means 17 (support 17.1 and support band 17.2 ).
  • the rollers 9 remain in this area between two each Items 2 positioned. This means that trailing areas of objects 2 are still on the outside of the revolving roller carpet.
  • rollers 9 advantageously reduces the distance between the roller 9 and axis of rotation A and increases the distance between successive rollers 9 such that the rollers 9 in the delivery area (6 o'clock position) only a little outside the distal ends of the spokes 15 on which the Suction elements 4 are mounted, are positioned and can push the object 2 deposited by the gripper 5 optionally in a middle or leading area against the removal device 6. Then follows the return area (about 6 o'clock position to 12 o'clock position), in which the rollers 9 can again be guided radially outwards, such that the suction element 4 unhindered from its rearwardly pivoted position to its forward pivoted position can be swung around.
  • the removal device 6 adjoins the gripper movement in the 6 o'clock position, and it is also not mandatory for the removal direction F to be aligned parallel to a tangent to the carrier 3 in the delivery region. like this in the FIG. 1 is shown. It is also possible, for example, to arrange the delivery area in the 3 o'clock position and to radially align the path transporting direction. It is also possible to transfer the objects 2 held by the grippers 5 for transporting away to a gripper transporter, instead of placing them on a conveyor belt.
  • the device now further includes a Unterstell adopted 32 with pneumatic means 34 which comprise a pneumatic cylinder, and a Unterstellstoff 33 in the form of a flat, flexible Unterstellelementes.
  • the Unterstell Rhein 32 serves to insert a Unterstellelement 33 between the stack 30 and the rollers 9 in idle cycles or when the device 1 is turned off.
  • the lower adjusting element 33 extending transversely to the rollers 9 prevents sagging of the printed products 2 between two successive ones Rolls 9, as done for example by walking or longer downtime of the device 1.
  • the lower setting device 32 is connected to a device control, so that retraction of the lower setting element 33 into the support region 14 and extension of the Unterstellelementes 33 from the support portion 14 can be performed isochronous with the movement of the rollers 9 and the suction elements 4 and the grippers 5.
  • the Unterstellelement 33 is now retractable via control means by means of the pneumatic cylinder in the direction of the support region 14 and again moved out of this.
  • pneumatic means 34 and hydraulic means can be used with a hydraulic cylinder.
  • the Unterstell driving 32 is arranged laterally from the support region 14, so that the Unterstellelement 33 laterally in the direction of the support portion 14 retractable.
  • the Unterstell driving 32 is arranged laterally such that the Unterstellelement 33 rectified to the direction of movement of the rollers 9 in the support portion 14 can be inserted into this.
  • the flat, flexible Unterstellelement 33 is inserted below the support portion 14 laterally between two successive rollers 9.
  • the sub-control element 33 is then taken along by the following roller 9, which is moved in the direction of the support region 14, in the direction of the support region 14 and guided into the support region 14 below the stack 30.
  • the rollers 9 move in a rolling manner below the lower adjustment element along the support region 14.
  • the structural and functional features disclosed in connection with the adjusting device 32 are not limited to the specific exemplary embodiment, but are generally applicable to a device according to the claims or according to the general description part.
  • FIGS. 2a and 2b show an abstracted side view of the first embodiment.
  • the carrier wheel with the suction elements and the grippers is not shown here.
  • the rotational movement of the rollers 9 and the lever 8 is more clearly recognizable than in the FIG. 1 , Out FIGS. 2a and 2b
  • the additional control means consists of spring means 18, by which the two articulated legs 8.1 and 8.2 of each lever 8 are biased against each other such that the angle between the two legs is always smallest possible.
  • the in the FIGS. 1 . 2a and 2b Lever 8 shown have a directed in the direction of rotation forward 8.3.
  • the inner legs 8.1 are pushed by the roller wheel 7 and the outer legs 8.2 are pulled by the inner legs 8.1.
  • the levers 8 can also be arranged with rearwardly directed joints 8.3.
  • FIGS. 2a and 2b illustrated embodiment of the inventive device, in contrast to the embodiment according to FIG. 1 a removal device 6, the conveying direction F is opposite to the tangential direction of movement of the gripper in the delivery area.
  • FIGS. 2a and 2b is also a Unterstell Anlagen 32 with pneumatic means 34 and a Unterstelleelement 33 as described above.
  • the description of the FIG. 1 directed.
  • the suppression element 33 is shown in various positions during retraction. That's how it shows FIG. 2a as the Unterstellelement 33 guided below the support portion 14 between two rollers 9, in particular is pushed.
  • FIG. 3 shows a side view of an inventive device 51, looking at a plane of a roller wheel 57.
  • On the roller wheel 57 are each a plurality of rollers 59 by means of a coupling 58, pivotally mounted.
  • the entirety of the rollers 59 forms a roll carpet circulating along an orbit 61.
  • the longitudinal axes 60 of the rollers 59 extend parallel to the axis of rotation A of the roller wheel 57 or perpendicular to the plane of the drawing.
  • This first region comprises a support region 64, in which flat objects 52, stacked in a stacking space 81 to form a stack 80, rest on the rollers 59.
  • the rollers 59 roll off on a rolling body 70.
  • the rolling body 70 is a rope or round belt stretched around part of the orbit 61.
  • rollers 59 are pivoted by a sliding guide 65 from the direction normal to the plane of the drawing.
  • a traction means 68 here a pull rope, pulls the rollers 59 back against a stop in this direction.
  • the following elements relate to the transport of the flat objects 52 through the device 51.
  • FIG. 3 By way of example only two separating and holding means in the form of a pair of suction element 54 and gripper 55 are shown.
  • suction elements 54 and gripper 55 run on a in the FIG. 3 dashed orbit in the counterclockwise direction.
  • the device 51 has two roller wheels 57, facing one another in the direction of the axis of rotation A, with roller sets facing one another.
  • the roller sets form a gap.
  • the suction elements 54 can be guided against the flat objects 52.
  • a suction element 54 dissolves one of the flat objects 52 or a printed product.
  • a subsequent support roller moves between the bottom of the stack and the detached printed product and peels it gently during its movement through the support area from the stack.
  • a gripper 55 grips this printed product 52 and moves it between the rollers 59 into the interior of the orbit 61.
  • the gripper 55 conveys the printed product 52 in a release region 63 to the removal device 56, for example a conveyor belt, and releases the printed product 52.
  • the removal device 56 conveys the printed product 52 out of the circulation path 61 through the roll carpet swung open there.
  • the device further includes a Unterstell adopted 82 with pneumatic means 84 which comprise a pneumatic cylinder, and a Unterstellstoff 83 in the form of a flat, flexible Unterstellelementes.
  • the sub-control device 82 serves to insert a sub-setting element 83 between the stacks 80 and the rollers 59 during idle cycles or when the device 51 is switched off.
  • the Unterstellelement 83 extending transversely to the rollers 59 prevents sagging of the printed products 52 between the rollers 59, as is done for example by walking or longer downtime of the device 51.
  • the lower control device 82 is connected to a device control, so that retraction of the lower control element 83 into the support region 64 and extension of the lower control element 83 out of the support region 64 can be performed in synchronism with the movement of the rollers 59 and the suction elements 54 and gripper 55.
  • the sub-control element 83 is now retractable via control means by means of the pneumatic cylinder in the direction of the support region 64 and again moved out of this.
  • pneumatic means 84 and hydraulic means can be used with a hydraulic cylinder.
  • an electrical Be provided linear drive for retracting and extending the Unterstellelementes.
  • the Unterstell driving 82 is arranged laterally from the support portion 64, so that the Unterstellelement 83 laterally in the direction of the support portion 64 retractable.
  • the Unterstell driving 82 is arranged laterally such that the Unterstellelement 83 rectified to the direction of movement of the rollers 59 in the support portion 64 can be inserted into this.
  • the flat Unterstellelement 83 is instead introduced laterally below the support portion 64 between two successive rollers 59.
  • the sub-setting element 83 is then taken along by the following roller 59, which is moved in the direction of the support region 64, in the direction of the support region 64 and guided into the support region 64 below the stack 80. Since the Unterstellelement 83 is formed flexible, this is bent upwards in the support area 64 by the rollers 59.
  • the lower actuator 83 remains in a holding position in the support portion 64 below the stack 80, which corresponds to an end position.
  • the sub-setting element 83 is withdrawn again from the support region 64.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Pile Receivers (AREA)

Claims (14)

  1. Ensemble (1, 51) pour séparer un à un des objets plats flexibles (2, 52) du côté inférieur d'une pile (30, 80) de ces objets (2, 52) et pour éloigner les objets (2, 52) séparés, l'ensemble contenant :
    un espace d'empilement (31, 81) présentant une partie de soutien (14, 64),
    un ensemble de rouleaux constitué de plusieurs rouleaux (9, 59) et soutenant par le bas la pile (30, 80) dans la partie de soutien (14, 64),
    des moyens de séparation et de maintien (4, 54; 5, 55) qui séparent les objets (2, 52) du côté inférieur de la pile (30, 80) dans la partie de soutien (14) et
    un dispositif d'éloignement (6, 56) qui éloigne les objets (2, 52) qui ont été séparés,
    caractérisé en ce que
    l'ensemble (1, 51) contient un dispositif (32, 82) de soutien inférieur doté de moyens (33, 83) de soutien inférieur et apte à être positionné dans la partie de soutien (14, 64) dans une position de maintien entre la pile (30, 80) et les rouleaux (9, 59) de l'ensemble de rouleaux.
  2. Ensemble selon la revendication 1, caractérisé en ce que l'ensemble de rouleaux contient plusieurs rouleaux (9, 59) qui tournent en boucle fermée sur une piste (11, 61) en boucle fermée.
  3. Ensemble selon les revendications 1 ou 2, caractérisé en ce que le moyen (33, 83) de soutien inférieur est un élément de soutien inférieur de forme aplatie et de préférence flexible.
  4. Ensemble selon l'une des revendications 1 à 3, caractérisé en ce que le moyen (33, 83) de soutien inférieur est un élément de soutien inférieur configuré en forme de ruban.
  5. Ensemble selon l'une des revendications 1 à 4, caractérisé en ce que le dispositif de soutien inférieur contient plusieurs moyens de soutien inférieur disposés les uns à côté des autres dans la direction d'insertion.
  6. Ensemble selon l'une des revendications 1 à 5, caractérisé en ce que le moyen de soutien inférieur est un élément de soutien inférieur réalisé en une ou en plusieurs pièces.
  7. Ensemble selon l'une des revendications 1 à 6, caractérisé en ce que le moyen de soutien inférieur est un élément de soutien inférieur configuré en une couche ou en plusieurs couches.
  8. Ensemble selon l'une des revendications 1 à 7, caractérisé en ce que le moyen de soutien inférieur (33, 83) s'étend sur au moins deux rouleaux (9, 59) de l'ensemble de rouleaux lorsqu'il est en position de retenue dans la partie de soutien (14, 64).
  9. Ensemble selon l'une des revendications 1 à 8, caractérisé en ce que le dispositif (32, 82) de soutien inférieur contient des moyens d'actionnement (34, 84) qui insèrent le moyen (33, 83) de soutien inférieur dans la direction de la partie de soutien (14, 64) et qui extraient le moyen (33, 83) de soutien inférieur hors de la partie de soutien (14, 64).
  10. Ensemble selon l'une des revendications 1 à 9, caractérisé en ce que le dispositif (32, 82) de soutien inférieur est disposé latéralement par rapport à la partie de soutien (14, 64).
  11. Ensemble selon l'une des revendications 1 à 10, caractérisé en ce que le moyen (33) de soutien inférieur peut être déplacé en direction de la partie de soutien (14, 64) dans la direction de déplacement des rouleaux (9, 59).
  12. Procédé de conduite d'un ensemble selon l'une des revendications 1 à 11, caractérisé en ce que pendant le fonctionnement de l'ensemble (1, 51), des objets (2, 52) sont extraits de la pile (30, 80) à une cadence prédéterminée et en ce que lorsque survient au moins un coup à vide ou lors d'une mise hors service de l'ensemble (1, 51), un moyen (33, 83) de soutien inférieur est inséré prioritairement dans la partie de soutien (14, 64) entre la pile (30, 80) et l'ensemble de rouleaux.
  13. Procédé selon la revendication 12, caractérisé en ce que vu dans la direction de déplacement des rouleaux (9, 59), le moyen (33, 83) de soutien inférieur est inséré latéralement entre deux rouleaux (9, 59), vers l'avant et en dessous de la partie de soutien (14, 64), le moyen (33, 83) de soutien inférieur étant guidé dans la partie de soutien (14, 64) entre la pile (30, 80) et l'ensemble de rouleaux au moyen des rouleaux (9, 59) déplacés dans la direction de déplacement vers la partie de soutien (14, 64).
  14. Procédé selon les revendications 12 ou 13, caractérisé en ce que lors de la reprise de l'enlèvement d'objets (2, 52) dans la pile (30, 80) à la suite d'un coup à vide ou d'une interruption du fonctionnement, le moyen (33, 83) de soutien inférieur est extrait prioritairement hors de la partie de soutien (14, 64).
EP13405084.8A 2012-07-27 2013-07-23 Dispositif de séparation d'objets plats pliables individuels de la face inférieure d'une pile de tels objets Not-in-force EP2690040B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH01182/12A CH706769A1 (de) 2012-07-27 2012-07-27 Vorrichtung zum Abtrennen von einzelnen flachen, biegbaren Gegenständen von der Unterseite eines Stapels solcher Gegenstände.

Publications (3)

Publication Number Publication Date
EP2690040A2 EP2690040A2 (fr) 2014-01-29
EP2690040A3 EP2690040A3 (fr) 2016-01-06
EP2690040B1 true EP2690040B1 (fr) 2017-05-17

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EP13405084.8A Not-in-force EP2690040B1 (fr) 2012-07-27 2013-07-23 Dispositif de séparation d'objets plats pliables individuels de la face inférieure d'une pile de tels objets

Country Status (7)

Country Link
US (1) US9051142B2 (fr)
EP (1) EP2690040B1 (fr)
CN (1) CN103708251A (fr)
AU (1) AU2013207661A1 (fr)
CA (1) CA2820009A1 (fr)
CH (1) CH706769A1 (fr)
IN (1) IN2013CH03021A (fr)

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CH710449A1 (de) 2014-12-08 2016-06-15 Ferag Ag Vorrichtung und Verfahren zum Fördern und Transferieren von flächigen Gegenständen.
CN105217341B (zh) * 2015-10-21 2017-05-10 昆山古鳌电子机械有限公司 一种存折发行机构
CN106429546A (zh) * 2016-11-25 2017-02-22 范晓微 一种纸卡取送装置
CN111547545B (zh) * 2020-05-13 2022-03-29 淮北平坤锂电池科技有限公司 一种卧式辊吸配页机
CN115010558A (zh) * 2022-05-20 2022-09-06 中国五洲工程设计集团有限公司 一种回收药成型生产工艺及装备技术

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Also Published As

Publication number Publication date
CN103708251A (zh) 2014-04-09
CH706769A1 (de) 2014-01-31
EP2690040A2 (fr) 2014-01-29
EP2690040A3 (fr) 2016-01-06
AU2013207661A1 (en) 2014-02-13
IN2013CH03021A (fr) 2015-07-31
US20140027970A1 (en) 2014-01-30
US9051142B2 (en) 2015-06-09
CA2820009A1 (fr) 2014-01-27

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