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
  • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
  • B65H29/38—Delivering or advancing articles from machines; Advancing articles to or into piles by movable piling or advancing arms, frames, plates, or like members with which the articles are maintained in face contact
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H31/00—Pile receivers
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H31/00—Pile receivers
  • B65H31/28—Bands, chains, or like moving receivers
• • 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
  • B65H2404/20—Belts
  • B65H2404/23—Belts with auxiliary handling means
  • B65H2404/231—Belts with auxiliary handling means pocket or gripper type
• • 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
  • B65H2404/30—Chains
  • B65H2404/31—Chains with auxiliary handling means
  • B65H2404/311—Blades, lugs, plates, paddles, fingers

Definitions

• the invention is based on a device with the aid of which flat, non-dimensionally stable objects can be combined into stacks.
• An example of such products are diapers that are not dimensionally stable due to their composition.
• Such products are produced in a manufacturing machine and delivered by this machine in such a way that they are transported in their own longitudinal direction.
• Objects that are flat but do not have a longitudinal direction are also transported in such a way that the transport direction runs parallel to the flat side. This should also be understood to mean transport in the longitudinal direction.
• a device for forming stacks of this type is already known (EP 1 1 48 014), in which the objects brought one behind the other are braked in a transfer device and then moved transversely.
• the transfer device contains individual pockets, each with two side walls, which are arranged at a fixed angle of about 30 degrees. The objects hit an obliquely arranged side wall, on which they slide with their front edge, until they come to a standstill.
• the invention is based on the object of providing a device for forming stacks of flat objects which, while maintaining the advantages of known devices, enables increased output even with unstable products.
• the invention proposes a device with the features of claim 1. Developments of the invention are the subject of dependent claims.
• the individual products delivered one after the other are picked up by the transfer device.
• This recording can take place at a distance in front of the reaming device.
• the products arrive at the tearing device, where they are aligned in parallel. With this parallel orientation, the products can already be arranged in the compartments of the row of compartments. Due to the possible distance between the location of the receptacle in the transfer device and the tearing device, a certain distance is available within which the products can be braked.
• Braking can take place, for example, in that the flat sides of the products rest against a counter element that is moving at a lower speed. There is therefore no braking on the front edge in the transport direction, which could lead to compression, but rather by a flat braking along a large part of the flat side.
• the transfer device is designed such that it gives the products a speed component in the direction of movement of the compartment row. This also makes the transition between the two directions of movement more gradual, so that here too the risk of undesired deformation is reduced or eliminated.
• the transfer device can have pockets for receiving one product each, these pockets preferably being moved at a constant speed which is lower than the transport speed of the products.
• the pockets change their shape before and / or after the reception of a product, for example enlarge their opening and then reduce it again. This makes it easier to shoot in the products.
• the possibility of Braking may also be improved on both flat sides of the products.
• each pocket has two side walls running parallel to one another at an acute angle, of which each side wall is common to two adjacent pockets.
• This makes it possible to move the bags closer together, so that it is possible to process the products to be treated with a smaller distance in the direction of transport.
• This possibility is further facilitated by the fact that these two side walls can be moved apart slightly to enlarge the opening immediately before the product is shot in. To do this, it is sufficient to pivot the rear side wall in the transport direction. When swiveling back, the product is already pressed against the other side wall, which can also lead to braking.
• the pockets or their side walls of the transfer device are preferably attached to a rotating gear means, for example a closed chain or a closed belt.
• a rotating gear means for example a closed chain or a closed belt.
• Other types of guidance along a closed path are also possible, for example rails with individual elements guided on the rails.
• the side walls can for example be rigidly attached to the revolving gear means.
• the gear means can be guided, for example, over a roller, which thereby forms two sections of the gear means running at a flat angle.
• the side wall firmly connected to the gear means is pivoted.
• other means are also possible, for example cam followers or similar devices.
• the tearing device can have a stop for the front edge in the transport direction of the products. At this stop, the products hit at a very low speed, with zero speed when the adjustment is completely correct. There is no longer any risk that the products will compress.
• This stop can be arranged, for example, in a further development of the invention. Since the speed of the transport in the direction of the stack, in contrast to the transport in the transport direction of the products, is carried out at a very low speed, there is no risk of the products being deformed when resting against the stop when the products are moved along the stop. However, it is also possible and within the scope of the invention that the stop is also moved together with the row of compartments.
• the stop can also be formed by part of the compartment of the compartment row.
• compartments in the row of compartments can, for example, be formed between two compartment walls, which can be smaller in the vertical direction than the products, so that the further transport of the pockets of the transfer device does not conflict with the transverse movement of the compartments.
• the compartment just loaded by the transfer device passes through Swiveling a compartment wall is opened and then closed again.
• the compartment wall at the rear in the direction of movement of the row of compartments is preferably pivoted.
• the compartments or the compartment walls forming them are attached to a rotating gear means, preferably firmly attached.
• the revolving gear means can again be a chain, for example. To pivot the side wall to open the compartment, this chain can have a small deflection, which then feels because of the deviation of the course of the chain from the straight line to a pivoting of the corresponding compartment wall. When the compartment is closed again, the contents of the compartment are compressed to a certain extent.
• the object When the object is pushed into the compartment, the object is braked flat either on the immediately adjacent compartment wall or on the object inserted immediately beforehand due to the movement component in the direction of the movement of the compartments.
• the combination of movement components in the direction of movement of the compartments and concerns on the compartment wall leads to a flat concern and thus flat braking of the individual objects over the entire extent of the objects in the longitudinal direction, that is to say over a maximum possible path.
• the objects can be inserted, for example, in such a way that the objects are moved horizontally or approximately horizontally in a standing position, the flat side of the compartments then also moving them horizontally.
• the axes of the chain or belt wheels around which the revolving gear means runs are vertical.
• the axes of the chain wheels run horizontally and are at the same height.
• the objects can be inserted from above and then also horizontally pushed out with their flat sides ahead.
• Figure 1 is a plan view of the device according to the invention.
• Figure 2 shows a feed device that feeds the products of the transfer device shown in Figure 1 and
• Figure 3 is a schematic side view of another device according to the invention.
• FIG. 2 shows how individual products 1 are transported between two conveyor belts 2.
• the two conveyor belts 2 run in such a way that they hold the objects 1 between them and transport them upwards in the drawing. It can be seen from FIG. 2 that the individual products 1 are transported in a longitudinal direction at a very small distance from one another.
• products 1 are delivered in the direction of arrow 3.
• the device proposed by the invention contains a transfer device 4 which has individual pockets 5. Each pocket 5 is formed by two side walls 6. Each side wall 6 forms the separation between two pockets 5, that is, it belongs to both adjacent pockets 5.
• the side walls 6 forming the pockets 5 are rigidly attached to a rotating gear means 7, for example a chain.
• the chain runs over two deflection rollers 8, at least one of which is driven by a drive.
• the left strand 9 of this chain in FIG. 1 runs in a straight line, while the right strand is guided over a deflection roller 10, which is offset outwards in relation to a straight connection of the tangent to the two deflection rollers 8.
• two sections of the transmission means are formed, which run at an angle of just under 180 degrees to one another.
• the orientation of the side walls 6 changes at this buckling point or deflection point.
• There the side walls run at an acute angle.
• the following side wall 6 is also pivoted so that both side walls now run parallel to one another. If the objects 1 are brought overlapping, the speed of the movement of the compartments 5 may be lower than the transport speed of the products 1.
• the rotating gear means 7 of the transfer device 4 runs at a constant speed.
• the products 1 contained in the pockets 5 are now inserted into compartments 11 of a number of compartments.
• the subjects 1 1 are through two parallel compartment walls 12 are formed, which are rigidly attached to a further rotating gear means 13.
• the revolving gear means runs along a straight line.
• the compartment walls 12 therefore run parallel to one another there.
• Only the compartment wall 12a immediately following the compartment that is being loaded by the transfer device is pivoted backwards to open the compartment.
• the object 1 inserted into this compartment immediately slides flatly on the compartment wall 12b. This leads to its gradual braking without a force exerting a compressive force on the front edge 14 of the product 1.
• the then next object, which is inserted into the same compartment then lies flat against the previous object 1 and is also braked in this way along its flat side. There is no risk of the item being crushed.
• each compartment 11 can be inserted into each compartment 11.
• the correct alignment of the products 1 in the compartments 11 is ensured by a stop rail 15 which is arranged above and / or below the compartment walls 12 directly in front of the rotating gear means 13.
• the stop rail 15 can be designed to be stationary.
• the transverse speed of the products in relation to the stop 15 is small in comparison to the speed of the products 1 in the transport direction, so that there is no risk of damage here.
• the rotating gear means 13 for transporting the compartment walls 12 and thus the compartments 11 can be driven continuously at a constant speed.
• the compartment walls 12 can be arranged over the entire length of the transmission means 13. If a row of compartments 11 is filled with products 1, such a stack can then be pushed upwards, downwards or also forwards relative to the drawing plane, which is a horizontal plane. If a stack of products is formed from several compartments, this stack can then be compressed.
• the deflection point which is formed by the roller 10 is preferably formed at the point where the compartment walls 12 end.
• the distance of the deflection point 10 from the stop 15 corresponds approximately to the dimension of the products 1 to be stacked measured in the same direction.
• the transport direction of the rotating gear means 7 of the transfer device runs obliquely in relation to the compartment walls 12 and thus the compartments 11 in the area in which the products are individually arranged for transfer. This means that the products 1 are already superimposed on a transverse speed at this point, which is adapted to the speed of movement of the compartments 11.
• the objects of several compartments can be pushed out simultaneously on the push-out side, so that they result in the required overall formation.
• compartment side walls 12 are not pivoted, but are guided parallel to one another.
• FIGS. 1 and 2 are intended to be horizontal levels.
• the objects 1 are thus moved horizontally in the direction of arrow 3 into the compartments 11.
• the compartments are then also moved horizontally, the flat sides of the objects 1 being directed forward in the direction of movement.
• a device as shown in FIG. 1 can, however, also be arranged in such a way that the axes of rotation of the two deflection rollers, around which the gear means 13 is guided, run horizontally.
• the objects 1 are not introduced on the lower side, as it appears in FIG. 1, but at the top. The objects 1 are therefore brought up from above, braked by the transfer device 4 and introduced into the compartments 11. It can then be pushed out to the front or back.
• the axes of rotation of the two deflection wheels guiding the transmission means 13 could be arranged horizontally one above the other. Then the flat objects 1 are inserted horizontally and lifted upwards.
• FIG. 3 shows a side view of an arrangement in which a rotating gear means 13 by three Deflection wheels 19 is guided around.
• the three deflecting wheels 19 have horizontal and parallel axes of rotation 20.
• the compartment walls 12 arranged on the outside of the gear means 13 are thus moved upward when the deflecting wheels 19 are rotated in the indicated direction on the right section, and are then rotated on the arc of the Gear means 13 deflected and are then moved horizontally from right to left.
• the products 1, which are not shown in FIG. 3, are conveyed flat and are inserted into the compartments 11 formed between the compartment walls 12 in a manner similar to the arrangement in FIG.
• the products can then slip again if they have not reached the inner edge in previous work steps.
• the products can then be pushed out at the top, for example upwards, backwards or forwards. Since the products can also protrude forwards and backwards over the drawing plane over the compartment walls 12 here, one can attack at these points in order to convey the products out as a stack.

Applications Claiming Priority (2)

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ID=34399533

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• 2003
  • 2003-10-09 DE DE10348233A patent/DE10348233A1/de not_active Withdrawn
• 2004
  • 2004-09-09 KR KR1020067006788A patent/KR20060095561A/ko not_active Application Discontinuation
  • 2004-09-09 CN CN2004800294936A patent/CN1863721B/zh active Active
  • 2004-09-09 ES ES04786923T patent/ES2341007T3/es active Active
  • 2004-09-09 US US10/575,151 patent/US7475771B2/en active Active
  • 2004-09-09 AT AT04786923T patent/ATE458688T1/de not_active IP Right Cessation
  • 2004-09-09 DE DE502004010811T patent/DE502004010811D1/de active Active
  • 2004-09-09 BR BRPI0415174-7A patent/BRPI0415174B1/pt active IP Right Grant
  • 2004-09-09 EP EP04786923A patent/EP1670706B1/fr active Active
  • 2004-09-09 WO PCT/EP2004/010040 patent/WO2005040020A1/fr active Application Filing
  • 2004-09-09 RU RU2006106487/11A patent/RU2006106487A/ru unknown
  • 2004-09-09 JP JP2006529973A patent/JP2007508218A/ja active Pending

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