EP3369663B1 - Dispositif de bottelage pour pièces à usiner oblongues ainsi que procédé de bottelage de pièces à usiner oblongues - Google Patents

Dispositif de bottelage pour pièces à usiner oblongues ainsi que procédé de bottelage de pièces à usiner oblongues Download PDF

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Publication number
EP3369663B1
EP3369663B1 EP18000170.3A EP18000170A EP3369663B1 EP 3369663 B1 EP3369663 B1 EP 3369663B1 EP 18000170 A EP18000170 A EP 18000170A EP 3369663 B1 EP3369663 B1 EP 3369663B1
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EP
European Patent Office
Prior art keywords
bundle
workpieces
bundle forming
transport
forming device
Prior art date
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EP18000170.3A
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German (de)
English (en)
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EP3369663A1 (fr
Inventor
Werner Boll
Günter Zorn
Martin Kraus
Christian Kaas
Timo Oetzel
Alexander Gavrilov
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Michael Weinig AG
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Michael Weinig AG
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Priority to SI201830173T priority Critical patent/SI3369663T1/sl
Publication of EP3369663A1 publication Critical patent/EP3369663A1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B27/00—Bundling particular articles presenting special problems using string, wire, or narrow tape or band; Baling fibrous material, e.g. peat, not otherwise provided for
    • B65B27/10—Bundling rods, sticks, or like elongated objects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B35/00—Supplying, feeding, arranging or orientating articles to be packaged
    • B65B35/30—Arranging and feeding articles in groups
    • B65B35/50—Stacking one article, or group of articles, upon another before packaging
    • B65B35/52—Stacking one article, or group of articles, upon another before packaging building-up the stack from the bottom

Definitions

  • the invention relates to a bundling device for elongated workpieces according to the preamble of claim 1 and a method for bundling elongated workpieces according to the preamble of claim 14.
  • bundling devices elongated wooden parts, which can be several meters long, are bundled as workpieces and held together to form a bundle by means of a strapping band or the like.
  • the wooden parts are transported with the transport device transversely to their longitudinal direction up to a stop.
  • the bundle consists of layers lying on top of one another, each layer being formed from several pieces of wood lying next to one another.
  • Known fret forming devices have a multiplicity of fret forming units which are arranged one behind the other at a fixed distance.
  • the wood parts protrude more or less far over the outside bundle formation units.
  • the overhang is approximately the distance between the individual bundle forming units.
  • curved wooden parts often lead to disturbances, since the wooden ends stand up or down and collide both in the collar to be formed and in the transport device.
  • the large number of bundle forming units results in a large number of interfering edges.
  • the positional positioning of pushing devices for the bundles formed and the strapping stations for strapping the bundles is restricted.
  • the strapping on the outside often has a different distance from the two ends of the wooden parts, which leads to an unsightly appearance.
  • the large number of collar forming devices also means that the collar forming device is structurally complex and correspondingly expensive.
  • the invention is based on the object of designing the generic collar formation device and the generic method such that workpieces of different lengths can also be optimally bundled without the need for a structurally complex design of the collar formation device.
  • At least one collar forming unit can be adjusted in the longitudinal direction of the workpieces. Therefore, the bundle forming unit can be adjusted very easily to the respective workpiece length and strapping position by longitudinal adjustment. This adjustment can be carried out automatically, so that regardless of the length of the workpieces to be bundled, reliable bundling of the workpieces is guaranteed.
  • the bundle forming unit can advantageously be adjusted continuously to the optimal position. Due to the adjustability, only a small number of bundle forming units is necessary.
  • the workpieces can sag less, and curvatures or warpage of the workpieces to be bundled do not affect the susceptibility to failure. Due to the adjustability of the bundle forming unit, it is possible to attach the strapping of the bundles regardless of the length of the workpieces in such a way that they are evenly spaced from the two workpiece ends and, if necessary, also lie exactly in the middle of the workpieces, so that the strapped bundles have a visual appearance have integrity.
  • the support for the workpieces to be bundled is part of a lifting unit that is adjustable in the vertical direction. With the support, it is possible to raise the respectively formed layer so far that the next layer of workpieces can be fed with the transport device.
  • the bundle forming station is provided with at least one support unit for the workpieces.
  • the layers on workpieces raised by the lifting unit can be taken over and supported with the support unit.
  • the lifting unit or the support can then be lowered again so that the next layer of workpieces can be formed on the support.
  • the support unit has at least one tongue that can be adjusted under the respectively formed stacked collar. This tongue is so long that it can safely support the workpieces lying next to one another within the layer.
  • the support and the support part lie in the longitudinal direction of the workpieces side by side. This allows the support and the tongue to be adjusted without interfering with one another.
  • the support unit can be adjusted transversely to the longitudinal direction of the workpieces. This makes it possible for the tongue to be retracted when the next layer formed on workpieces is lifted with the lifting unit. When moving back, the layers supported by the support unit fall onto the layer on the lifting unit. The tongue of the support unit can then be moved under the last layer formed in order to take over the respective stack of workpieces. Now the support can be lowered down to take over the next layer of workpieces.
  • At least one hold-down device extending transversely to the longitudinal direction of the workpieces is provided in the area above the transport device. It prevents the workpieces from being unintentionally set up and running over one another on the transport device.
  • the transport device and the hold-down device are advantageously coupled to one another, so that they are adjusted together during the adjustment along the workpieces.
  • At least one pressure unit is advantageously provided in the area above the transport device with which the workpieces are loaded in the direction of the support during the formation of the collar.
  • the pressing unit is also advantageously coupled to the transport device in such a way that they are adjusted together along the workpieces when the transport device is adjusted.
  • a simple design of the device according to the invention results when the hold-down device and the pressure unit are guided on a common carrier. These parts of the system can be guided along the workpieces during adjustment.
  • if there are several transport devices they can all be vertically adjusted linearly relative to the hold-down device. This makes it possible to adjust the device according to the invention to different thicknesses of the workpieces.
  • a feed with which the workpieces are fed to the transport device is advantageously adjusted in the feed height to a corresponding extent. It is not necessary to adjust the height or thickness of the hold-down device.
  • the hold-down device is advantageously provided with a side stop. Together with the opposite stop, it determines the width of the collar to be formed, that is, the number of workpieces to be lifted with the lifting unit.
  • the opposite stop can be adjusted relative to the side stop in the transport direction of the workpieces. This makes it very easy to adjust to different collar widths.
  • the adjustable stop is advantageously arranged on a base body of the lifting unit so that it can be adjusted along the workpieces together with the lifting unit.
  • the pressure unit is located in order to achieve perfect collar formation and the support in each horizontal position of the bundle forming station essentially at least approximately in alignment with one another.
  • the bundle forming unit is followed by at least one strapping station in which the bundle formed is strapped with a strapping band or the like.
  • the strapping station is advantageously adjustable in the longitudinal direction of the workpieces independently of the bundle forming unit. This allows the strapping to be attached at the optimal point on the collar.
  • the fret forming device can have four fret forming units, two of which each work together to form the fret. Two bundles of workpieces can therefore be produced at the same time in the bundle forming device.
  • the bundle forming units work at least in double-lane operation, which means that very high productivity is achieved.
  • the bundle forming units can be switched on and off independently of one another. Therefore, those coil forming units that are not required for the coil formation can be switched off, whereby the wear and the energy consumption are kept low.
  • the bundling device described below is used to stack elongated wooden parts (wooden slats, squared timber) as workpieces and to strap the stacked wooden parts with ribbons and the like and thus secure them. Such wooden parts occur, for example, in planing or sawmills.
  • the device has a base frame 1, which is supported by legs 2 on the ground ( Fig. 6 ).
  • the base frame 1 advantageously has an angular outline and is provided on each of its longitudinal sides with a carrier 3, which is designed, for example, as a hollow carrier and extends over the length of the base frame 1. Both carriers are connected to one another by cross members 3a, which are spaced one behind the other.
  • At least two transport devices 4 are arranged next to one another, of which in FIG Fig. 6 only one transport device is shown and with which the wooden parts 5 ( Fig. 1 ) across their length up to stops 6 '( Fig. 1 and 5 ) can be transported.
  • the stops 6 ' are part of at least two collar forming stations 39, which will be described later, and are thus arranged one behind the other over the length of the base frame 1 at a distance.
  • the transport devices 4 are driven synchronously by means of gear motors 59, so that the wooden parts 5 are reliably transported up to the stops 6 '.
  • the transport devices 4 are advantageously formed by chain tracks. They have at least one endlessly revolving chain belt 7 that is guided over pulleys 8, 9.
  • the transport devices 4 have at least one cross member 10 on which the deflection rollers 8, 9 are rotatably mounted.
  • the transport devices 4 are mounted on a support frame 11, which is arranged in the area above the base frame 1 and advantageously has a rectangular outline ( Fig. 6 ).
  • the support frame 11 can be adjusted in the vertical direction.
  • height adjustment devices 12 are provided distributed over the length of the support frame 11, which are for example lifting cylinders or threaded spindle drives with which the support frame 11 can be continuously adjusted in height. Since the transport devices 4 are mounted on the support frame 11, the transport devices 4 are also correspondingly adjusted vertically when the height of the support frame 11 is adjusted.
  • Vertical linear guides 60 are provided on one carrier 3 of the base frame 1 and are arranged distributed along the carrier 3. The support frame 11 can be guided in height by means of the linear guides 60.
  • the transport devices 4 can also be adjusted along the support frame 11 in order to adapt them to different wood lengths or strapping positions. How out Fig. 6 As can be seen, the transport devices 4 extend at right angles to the carrier 3 of the base frame 1 and protrude over both longitudinal sides of the base frame 1.
  • the lifting unit 13 In the area next to the transport device 4 there is a lifting unit 13 with which the wooden parts 5 can be lifted in a manner still to be described.
  • the lifting unit 13 is driven by a drive 14 ( Fig. 1 ) adjustable in vertical direction.
  • the drive 14 is formed by a crank mechanism, the motor 15 of which is mounted on a bearing plate 16 protruding downward.
  • the lifting unit 13 has a horizontal lifting part 17 ( Fig. 1 and 5 ), on which the wooden parts 5 to be lifted rest during the lifting process.
  • the lifting part 17 is designed in the form of a strip and extends over part of the length of the adjacent transport device 4.
  • a further drive 18 for a support unit 19 is provided on the end shield 16 and can be adjusted in the horizontal direction by means of the drive 18.
  • the drive 18 is, for example, a crank drive which has a motor 20 which is mounted on the end shield 16.
  • the support unit 19 has a support part in the form of a tongue 21 which runs horizontally and is advantageously designed in the form of a strip.
  • the tongue 21 extends like the lifting part 17 in the horizontal direction in the transport direction 22 ( Fig. 1 and 2 ) of the transport device 4.
  • the two motors 15, 20 are at right angles from the end shield 16 and are parallel to each other.
  • the support unit 19 can switch between the two positions according to FIGS Fig. 1 and 2 be moved horizontally.
  • the tongue 21 lies below the stack of wood parts to be formed and directly adjacent to the lifting unit 13 in the feed direction.
  • the tongue 21 is horizontally adjusted or withdrawn from the stack of wood parts to be formed that it lies behind the lifting unit 13 in the feed direction.
  • the drives 14, 18 for the lifting unit 13 and the support unit 19 only take up little installation space if they are preferably designed as crank drives.
  • the lifting unit 13 and the support unit 19 are provided on the common end plate 16, which forms a base body for the lifting unit 13 and the support unit 19.
  • the base body 16 can be adjusted horizontally along the wooden parts and the carrier 3 of the base frame 1.
  • a slide 23 ( Fig. 6 ) is provided, from which the base body 16 protrudes and which can be moved along the carrier 3 on linear guides 61. This makes it possible to adjust the lifting unit 13 and the support unit 19 to the timber length and the strapping position.
  • a corresponding drive 24 is provided for adjusting the slide 23, which in the exemplary embodiment is a geared motor with a rack and pinion drive.
  • stops 6 are provided which, like the stops 6 ', are arranged on the base body 16, but are adjustable in height. In this way, the stops 6 can be clocked when the collar formed on the wooden parts 5 has been produced and is to be transported further.
  • the stops 6 ' lie in the area below the tongue 21 of the support units 19 in the conveying path of the carpet of wood parts fed to the transport devices 4, so that they stop it at the front end.
  • the transport devices 4 are constantly driven so that they slide under the carpet of wood parts when it is in contact with the stops 6 'with its wood part 5 at the front in transport direction 22. Since the stops 6 are set back somewhat in the conveying direction with respect to the stops 6 ', the stops 6 used to form the collar can be clocked without touching the front wooden part 5 resting against the stops 6'.
  • a support 63 is provided in the area next to the tongue 21, which extends in the direction of a strapping station 41 ( Fig. 1 ) extends and serves to push off the stack / bundle formed from the wooden parts 5.
  • the support 63 closes the gap between the tongue 21 and a table 53 of the strapping station 41 when the tongue 21 is at its greatest distance from the strapping station 41 ( Fig. 2 ).
  • the bearing surfaces of the support 63, the tongue 21 and the table 53 lie in a common horizontal plane.
  • a carrier plate 62 is fixedly connected to the base body (bearing plate) 16 and engages around the transport device 4 from below in a U-shape and drags it along when the slide 23 is adjusted.
  • the pressure unit 25 has at least one pressure plate 26 which extends in the transport direction 22 of the transport device 4 and thus perpendicular to the longitudinal direction of the wooden parts 5. It is attached to the free end of a piston rod 27 of a pneumatic linear unit 28, by means of which it can be moved in the vertical direction and from which it protrudes downward.
  • the linear unit 28 is mounted on a carrier 31 via at least one support arm 29 ( Fig. 6 ), which is a frame that is provided in the area above the transport devices 4.
  • the frame 31 is connected at its ends to the base frame 1 via a support device (not shown) and is thus supported on the floor.
  • the wooden parts 5 are transported by means of the transport devices 4 distributed over the length of the device, perpendicular to their longitudinal direction in the transport direction 22, lying against one another.
  • the wooden parts 5 lie against one another with their long sides and form a carpet of parts. So that the wooden parts 5 lying against one another in the carpet of parts cannot stand up, at least one hold-down device 34 is provided in the area of each transport device 4, which extends in the transport direction 22 and perpendicular to the longitudinal direction of the wooden parts 5.
  • the hold-down device 34 is advantageously designed as a plate standing on edge.
  • the hold-down device 34 is provided at its front end in the transport direction 22 with a side stop 35, which lies opposite the stop 6 at a distance. Between the two stops 6, 35, the respective collar is formed from the wooden parts 5.
  • the side stop 35 is advantageously designed as a vertically arranged bar, to which the hold-down device 34 adjoins at right angles.
  • the hold-down device 34 is arranged such that its lower edge 36 is at a distance from the carpet of parts that is smaller than the thickness of the wooden parts in the carpet of parts. This reliably prevents that the wooden parts 5 can unintentionally stand up or run over each other.
  • the hold-down device 34 can for example be provided at the lower edge with freely rotatable rollers which are arranged one behind the other and which have little air to the top of the carpet of parts or which rest lightly on it.
  • the hold-down device 34 is suspended with the side stop 35 on two brackets 37, each of which can be pivoted about a horizontal axis 38 extending in the transport direction 22.
  • the hold-down device 34 can be pivoted upwards about the pivot axes 38 when the wooden parts 5 are conveyed or transported through the device without being stacked and strapped to form a bundle.
  • the tabs 37 of the hold-down device 34 are mounted on the support arm 29 of the pressure unit 25, which, as described, is arranged on the frame 31 so as to be longitudinally movable.
  • the support arm 29 In the uncoupled state, the support arm 29 is clamped on the frame 31 via its linear guide and therefore remains in the set longitudinal position.
  • the stops 6, 35 are part of the bundle forming station 39, in which the wooden parts to be bundled are stacked in a row next to and on top of one another. In the Fig. 1 and 2 the wooden parts 5 to be bundled are shown in the bundle forming station 39.
  • the stops 6 can be adjusted in the transport direction 22 and thus perpendicular to the longitudinal direction of the wooden parts 5 by means of a drive, not shown. This allows the number of wooden parts 5 per layer to be set.
  • the stop 6 can be moved from a stop position ( Fig. 1 and 2 ) by means of a pneumatic cylinder 40 ( Fig. 5 ) are lowered so far that the bundle formed in the bundle forming station 39 in the direction of the strapping station 41 ( Fig. 1 and 2 ) can be transported.
  • the pneumatic cylinder 40 is attached to a plate 64, which is arranged horizontally adjustable on the bearing plate 16 for the above-described collar width adjustment. The upper region of the edge of the plate 64 facing the supplied wooden parts 5 forms the stop 6 '.
  • the wooden parts 5 are transported in the direction of the stops 6, 6 'transversely to their longitudinal direction.
  • the stops 6 are extended by means of the pneumatic cylinders 40.
  • the lifting unit 13 is located in the in Fig. 1 shown lowered position in which the lifting part 17 is located in the area below the transport path of the wooden parts 5. They can therefore be transported by the transport devices 4 up to the stop 6 '.
  • the hold-downs 34 together with the underside of the tongue 21, ensure that they are in the corresponding position Fig. 1 , viewed in the transport direction 22, is in direct extension of the hold-down 34 that the wooden parts 5 cannot stand up or run over one another during transport in the direction of the stops 6 '. This means that the timbers are consistently forcibly guided.
  • this collar consists of layers placed one on top of the other, with five wooden parts 5 lying next to one another in each layer.
  • the support unit 19 is in the position accordingly Fig. 2 adjusted and the lifting unit 13 is raised by means of the drive 14 so far that the lifting part 17 raises this first layer of wooden parts 5 formed above the level of the tongues 21 of the support units 19.
  • the wooden parts 5 are thereby moved against the pressure plate 26 of the pressure units 25.
  • the lifting part 17 extends in the transport direction of the wooden parts 5 to close to the side stop 35, so that the wooden parts of the carpet of parts located between the stop 6 'and the side stop 35 are grasped by the lifting part 17 and each form a stack.
  • the lower edge of the side stop 35 is also referred to as the so-called tear-off edge.
  • the support unit 19 is moved into the position shown in FIG Fig. 1 Position shown shifted horizontally as soon as the position has been raised so far that the tongue 21 can retract underneath. As a result, the tongue 21 comes under the raised first layer of the collar to be formed. Since the lifting unit 13 and the support unit 19 are offset from one another in the longitudinal direction of the wooden parts 5 ( Fig. 5 ), the lifting unit 13 and the support unit 19 do not hinder each other in their respective movements. The tongue 21 of the support unit 19 holds the raised position of wooden parts 5. The lifting unit 13 can now return to the position according to FIG Fig. 1 be lowered.
  • the upper raised position or end position of the lifting unit 13 accordingly Fig. 2 is, as described, always slightly above the tongue 21, whereas the lowered position is accordingly Fig. 1 or the adjustment path is variable and results or is determined from the wood thickness to be stacked.
  • This lowered end position is such that the support surface of the lifting part 17 is slightly below the transport unit, so that the parts can be reliably fed.
  • the horizontal position or end position of the tongue 21 of the support unit is analogous 19 accordingly Fig. 1 pre-set machine-fixed and extends to close to the side stop 35.
  • the end position accordingly Fig. 2 results from the specified waistband width.
  • the adjustments of the lifting unit 13 and the support unit 19 are path-controlled and path-optimized according to the wood thickness and bundle width of the bundles to be stacked.
  • the carpet of parts is pushed forward again until the front wooden part 5 comes to rest against the stops 6 '.
  • the tongue 21 is moved horizontally into the position shown in FIG Fig. 2 pulled back.
  • the wooden parts 5 held by the tongues 21 fall, since they are retained at the stops 6, down onto the next layer of the wooden parts bundle to be formed on the lifting part 17.
  • the bundling station 39 there are now two layers of wooden parts 5, which are raised again with the lifting unit 13 to such an extent that the tongues 21 can be moved under the raised wooden parts again in order to support the two layers. Then the lifting unit 13 can be adjusted downwards again so that the next layer of wooden parts can be formed and lifted.
  • the pressure unit 25 ensures that the wooden parts 5 located in the bundle forming stations 39 are pressed onto one another and cannot stand up or lie on top of one another in a disordered manner.
  • the pressure unit 25 is constantly subjected to pressure, so that the pressure plate 26 is adjusted accordingly when the stack of wood parts formed is lifted.
  • the transport devices 4 exert a pressure on the wooden parts 5 in the horizontal direction in the direction of the stops 6 '. As a result, the wooden parts 5 lie firmly against one another within the wooden parts carpet. Curvatures of the wooden parts are expressed.
  • the transport devices 4 can be adjusted in the vertical direction by means of the height adjustment devices 12, the distance between the transport devices 4 and the lower edge 36 of the hold-down devices 34 can be adjusted to the thickness of the Wooden parts 5 can be easily adjusted. It is not necessary to adjust the height of the hold-down device 34.
  • the transport devices 4 can be shifted along the wooden parts in order to optimally support them.
  • This horizontal adjustment of the transport devices 4 takes place in that they are dragged along by the carriages 23 via the driving plates 62 when they are adjusted.
  • the hold-down devices 34 with the side stops 35 and the pressure units 25 are also adjusted or dragged to the same extent. This ensures that the side stops 35, the pressure units 25 and the lifting unit 13 are always aligned with one another in the vertical direction, in a front view according to FIG Fig. 5 seen. This ensures that the bundling can be carried out properly and without interference, since in particular no bending moments and shear forces are exerted on the individual wooden slats, which could also break the wooden parts.
  • push-off devices 42 are provided, which further convey the respective bundle for transverse strapping of the bundle. They are each shown in the figures in a waiting position.
  • the pushing device 42 has at least one vertically arranged clamping plate 43 and at least one horizontally arranged clamping plate 44.
  • the vertically arranged clamping plate 43 can be moved horizontally by means of at least one drive 45, preferably a pneumatic cylinder of a linear unit, in the direction of an opposing fixed stop 46 of the pushing device 42 . It is provided rigidly on the pushing device 42.
  • the horizontally arranged clamping plate 44 can be adjusted vertically by means of a drive 47, preferably a pneumatic cylinder.
  • the clamping plates 43, 44 and the stop 46 delimit a receiving space 48 for the collar to be clamped.
  • the pushing devices 42 are arranged on a cross member 49. It is arranged on the frame 31 and extends perpendicular to the wooden parts 5 or in the direction of transport 22.
  • the cross member 49 extends beyond the longitudinal member 33 and can also be adjusted manually on the carrier 31 in the longitudinal direction of the wood. In another embodiment, the cross member 49 can also be adjusted and positioned by a motor.
  • two push-off devices 42 are advantageously provided mirror-symmetrically on the carrier 49 ( Fig. 3 and 4th ). Of these two pushing devices 42, only one pushing device is shown in FIG Fig. 6 shown. Of the second pushing device, only a guide 50 and a drive 51 are shown.
  • the guide 50 extends in the longitudinal direction of the cross member 49.
  • On the opposite longitudinal side of the cross member 49 is a corresponding horizontal guide for the in Fig. 6 Push-off device 42 shown is provided.
  • the two drives 51, 52 are provided on the opposite longitudinal sides of the cross member 49.
  • the push-off devices 42 can be moved along the cross member 49 parallel to the transport direction 22 of the transport devices 4.
  • the collar completed in the collar forming station 39 is located on the tongues 21 of the support units 19.
  • the pushing devices 42 take over the collar from them, the vertical clamping plate 43 pressing the collar against the stop 46 with the aid of the drive 45.
  • the stops 6 are lowered so that the collar can be pushed onto the strapping station 41.
  • the strapping station 41 has the table 53 onto which the bundle with the pushing devices 42 is pushed.
  • the band is strapped on it in a known manner.
  • the horizontal clamping plate 44 of the pushing devices 42 presses the collar firmly onto the table 53, while it is still clamped between the clamping plate 43 and the stop 46. This keeps the bundle in a firm bond during strapping, and the curvatures of the individual wooden parts are expressed.
  • the strapping station 41 is an independent machine with which the collar is strapped with a fastening tape or the like.
  • the fastening tape is fed through partially circular channels 54, 55.
  • the channels 54, 55 are then inserted into the in Fig. 1
  • the position shown is raised, in which the channels form a semicircular guide channel for the strapping.
  • the collar to be strapped is surrounded by the guide channel 54, 55.
  • the two channels 54, 55 are adjusted downwards so that the strapped collar can be transported or pushed further with a ram 65 of the pushing devices 42.
  • the bundle to be strapped is fed in and the bundle that has just been strapped is pushed on in one movement process of the pushing devices 42.
  • the strapping stations 41 can be adjusted in the longitudinal direction of the wooden parts 5 so that the straps can be attached at the required point along the federal government.
  • the device has several transport devices 4 with associated lifting units 13, support units 19, stops 6, hold-down devices 34 with side stops 35, pressure units 25 and pushing devices 42. Only one wooden part 5 of the frets is shown, which is placed on the tongues 21 of the support units 19 rests.
  • the lifting units 13 are lowered in the manner described so far that their lifting parts 17 are located in the area below the transport tracks for the collars. For the sake of clarity, the supplied carpet of parts is not shown.
  • the collar aligners 56 are advantageously adjustable in the horizontal direction, so that they can be adapted to wooden parts 5 of different lengths.
  • the collar aligners 56 have a slide 58 which can be extended in the horizontal direction and pushes all wooden parts in the collar produced, which may be slightly offset due to the process, into a common alignment. This is achieved in that the slide 58 pushes the wooden parts against the opposite stop 57.
  • the stop 57 is manually adjustable in the longitudinal direction of the wood and forms the reference edge of the bundle forming device both for feeding the loose pieces of wood and for transporting the bundles formed to downstream processes.
  • the pressure units 25 and the hold-down devices 34, which are part of the coil forming stations 39, as well as the transport devices 4 are dragged along on their respective guides 31, 11.
  • the individual bundle forming stations 39 together with the transport devices 4 form bundle forming units and, due to the common adjustment in the longitudinal direction of the wood, always have the same position relative to one another.
  • the entire bundle forming device has a modular structure such that several, at least two, of the bundle forming units and pushing devices 42 are arranged on the base frame 1 or frame 31.
  • All the bundle forming units and push-off devices 42 can, as indicated by the double arrows, be adjusted in the longitudinal direction of the wooden parts 5.
  • the cross members 49 on which the pushing devices 42 are arranged can be moved along the frame 31.
  • the cross members 49 and the collar aligners 56 can be shifted horizontally.
  • the cross members 49 and the collar aligners 56 can be displaced independently of one another and also independently of the collar forming units, so that the various system parts can be optimally and flexibly adapted to the length of the wooden parts 5 forming the respective collar.
  • the cross members 49 and the collar aligners 56 can be moved by hand.
  • two coil forming units work in parallel in so-called double-lane operation. This results in a very high productivity in the plant. Since the bundle forming units can be adjusted independently of one another in the horizontal direction, pieces of wood 5 of different lengths can be bundled at the same time in both tracks. The horizontal adjustability and positionability of the various units enables optimal, flexible and rapid adaptation to different lengths of the wooden parts 5. Since the strapping stations 41, which in Fig. 3 are not shown, are also adjustable horizontally and independently of the bundle forming units, the straps can be attached to the points of the frets that ensure optimal cohesion of the wooden parts 5 within the bundle.
  • the straps can be arranged, for example, in such a way that the two ends of the wooden parts 5 protrude equally. This also results in an optically uniform appearance. Since, in addition, the transport devices 4 can also be adjusted vertically with the aid of the height adjustment devices 12, simple and rapid adaptation to wooden parts 5 of different thicknesses is also possible. With the height adjustment devices 12, the support frame 11 on which the transport devices 4 are mounted is adjusted linearly in the height direction. The height adjustment devices 12 are firmly attached to the base frame 1. The individual height adjustment devices 12 can be driven synchronously. There is also the possibility of mechanically coupling the height adjustment devices 12 to one another via connecting shafts and belt drives in such a way that uniform adjustment is possible. The height adjustment devices 12 can, for example, be a vertically arranged threaded spindle 66 ( Fig. 6 ), with which a stepless height adjustment of the support frame 11 is possible.
  • the right bundle forming unit with the associated pushing device 42 is out of operation. This saves energy and keeps wear and tear to a minimum.
  • the three remaining bundle forming units with the associated units and pushing devices 42 are in operation and enable the bundling and strapping of wooden parts 5 which are significantly longer than in the exemplary embodiment according to FIG Fig. 3 .
  • the bundle forming units, pushing devices 42 and strapping stations 41 are adjustable in the manner described along the bundle of wood parts, the straps can be attached in such a way that they have the same distance from the ends of the wood parts and, for example, a strap can be provided halfway along the wood parts 5. This also ensures optimal support of the long wooden parts 5, so that the wooden parts are prevented from sagging, which could lead to malfunctions.
  • the various drives for the lifting units 13, the support units 19 and the pushing devices 42 are connected to a controller.
  • a motion / speed profile is stored on the basis of which the
  • Movement or the speed of the corresponding drives can be controlled. Based on the stored profiles, the amount of acceleration, the maximum displacement speed and the amount of braking can be selected automatically for the specified system parts.
  • the drives are advantageously servo drives.
  • the respective profile depends on the maximum weight of the bundle to be produced.
  • the maximum bundle weight is determined from the length and height of the wood parts, the number of lengths of the bundle to be produced, the width of the bundle and the wood density.
  • the maximum wood density is permanently stored in the control.
  • the length and the thickness of the wooden parts 5 as well as the collar width are entered into the control for positioning the corresponding units.
  • the number of layers in the bundle to be formed is entered in the control system before the bundle formation begins. Using this data, the control calculates the bundle weight and selects the associated profile.
  • the corresponding movement / speed profiles for the drives 14, 15, 18, 20, 51, 52 for the lifting unit 13, the support unit 19 and the pushing device 42 are selected.
  • the lower the bundle weight the faster the bundle can be moved, accelerated or decelerated. In this way, very reliable and highly productive bundling is achieved.
  • the maximum coil weight is specified. Heavier weights can damage the fret forming facility. With lower weights, the ability of the fret forming device is not used and the optimum productivity is not achieved.
  • the fret formation device according to the invention in comparison to conventional fret formation devices, bundles of higher weight can be formed without the fret formation device being unnecessarily or impermissibly loaded.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Basic Packing Technique (AREA)

Claims (15)

  1. Dispositif de bottelage pour pièces à usiner (5) oblongues, notamment de pièces en bois, pourvu d'au moins deux unités de bottelage, qui comportent au moins un dispositif de transport (4) pour les pièces en bois (5) et au moins un poste de bottelage (39), pourvu d'au moins une dépose (17) pour la botte qui doit être formée, qui est une partie intégrante d'un dispositif de levage (13) réglable en direction verticale, au moins une unité de bottelage étant réglable dans la direction longitudinale des pièces à usiner (5),
    caractérisé en ce que le poste de bottelage (39) comporte au moins une unité de support (19) pour les pièces à usiner (5) qui est réglable à la transversale de la direction longitudinale des pièces à usiner (5) et qui est munie d'au moins une languette (21), qui est réglable en-dessous de la botte empilée, respectivement formée.
  2. Dispositif de bottelage selon la revendication 1, caractérisé en ce que la dépose (17) du dispositif de levage (13) et la languette (21) de l'unité de support (19) se situent côte à côte dans la direction longitudinale des pièces à usiner (5).
  3. Dispositif de bottelage selon la revendication 1 ou 2, caractérisé en ce que dans la région au-dessus du dispositif de transport (4) est prévu au moins un serre-flan (34) s'étendant à la transversale de la direction longitudinale des pièces à usiner (5).
  4. Dispositif de bottelage selon l'une quelconque des revendications 1 à 3,
    caractérisé en ce que le dispositif de transport (4) et le serre-flan (34) sont accouplés l'un à l'autre.
  5. Dispositif de bottelage selon l'une quelconque des revendications 1 à 4,
    caractérisé en ce que dans la région au-dessus du dispositif de transport (4) est prévue au moins une unité de pression (25), à l'aide de laquelle les pièces à usiner (5) sont contraintes en direction de la dépose (17), lors du bottelage.
  6. Dispositif de bottelage selon la revendication 5, caractérisé en ce que l'unité de pression (25) est accouplée avec le dispositif de transport (4).
  7. Dispositif de bottelage selon l'une quelconque des revendications 1 à 6,
    caractérisé en ce que le serre-flan (34) et l'unité de pression (25) sont guidés sur un support (31) commun.
  8. Dispositif de bottelage, selon l'une quelconque des revendications 1 à 7, caractérisé en ce que dans le cas de plusieurs dispositifs de transport (4), tous sont réglables en commun de manière linéaire à la verticale, par rapport au serre-flan (34).
  9. Dispositif de bottelage selon l'une quelconque des revendications 1 à 8,
    caractérisé en ce que le serre-flan (34) est relié avec une butée latérale (35).
  10. Dispositif de bottelage selon l'une quelconque des revendications 1 à 9,
    caractérisé en ce qu'une butée (6, 6') se situant dans la direction transversale (22) des pièces à usiner (5) est réglable dans la direction transversale (22), pour le réglage de différentes largeurs de bottes à la transversale de la direction longitudinale des pièces à usiner (5).
  11. Dispositif de bottelage, selon l'une quelconque des revendications 1 à 10,
    caractérisé en ce que dans chaque position horizontale du poste de bottelage (48), l'unité de pression (25), la butée latérale (35) et la dépose (17) sont superposées, approximativement en alignement.
  12. Dispositif de bottelage selon l'une quelconque des revendications 1 à 11,
    caractérisé en ce qu'en aval de l'unité de bottelage (39) se trouve au moins un poste de cerclage (41).
  13. Dispositif de bottelage selon l'une quelconque des revendications 1 à 12,
    caractérisé en ce que le poste de cerclage (41) est réglable en fonction de l'unité de bottelage dans la direction longitudinale des pièces à usiner (5).
  14. Procédé, destiné à botteler des pièces à usiner oblongues, notamment des pièces en bois, lors duquel on empile en bottes les pièces à usiner au moyen d'unités de bottelage, à l'aide d'un dispositif de bottelage selon l'une quelconque des revendications 1 à 13,
    caractérisé en ce que chaque fois au moins deux unités de bottelage forment simultanément côte à côte chaque fois une botte à partir des pièces à usiner (5).
  15. Procédé selon la revendication 14,
    caractérisé en ce que les unités de bottelage sont susceptibles d'être mises en marche et à l'arrêt, indépendamment l'une de l'autre.
EP18000170.3A 2017-02-24 2018-02-20 Dispositif de bottelage pour pièces à usiner oblongues ainsi que procédé de bottelage de pièces à usiner oblongues Active EP3369663B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI201830173T SI3369663T1 (sl) 2017-02-24 2018-02-20 Naprava za tvorjenje svežnjev za podolgaste obdelovance in postopek za povezovanje podolgastih obdelovancev v svežnje

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017001950.9A DE102017001950A1 (de) 2017-02-24 2017-02-24 Bundbildungseinrichtung für längliche Werkstücke sowie Verfahren zum Bündeln von länglichen Werkstücken

Publications (2)

Publication Number Publication Date
EP3369663A1 EP3369663A1 (fr) 2018-09-05
EP3369663B1 true EP3369663B1 (fr) 2020-09-16

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EP18000170.3A Active EP3369663B1 (fr) 2017-02-24 2018-02-20 Dispositif de bottelage pour pièces à usiner oblongues ainsi que procédé de bottelage de pièces à usiner oblongues

Country Status (4)

Country Link
EP (1) EP3369663B1 (fr)
DE (1) DE102017001950A1 (fr)
DK (1) DK3369663T3 (fr)
SI (1) SI3369663T1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114348347B (zh) * 2021-11-01 2023-04-25 钟董建 竹条自动拢合输送装置及加工方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE822370C (de) * 1946-09-19 1951-11-26 Unilever Ltd Stapelvorrichtung
US3127829A (en) * 1960-07-12 1964-04-07 Blaw Knox Co Pipe bundling apparatus
GB1027034A (en) * 1963-01-28 1966-04-20 Mead Corp Case packing machine
DE3417097A1 (de) 1984-05-09 1985-11-14 Franz-Josef 5779 Eslohe Sapp Verfahren und geraet zum stapeln und verpacken von langware in einem saegewerk, insbesondere zum stapeln und verpacken von dachlatten o.ae.
FR2643349B1 (fr) 1989-02-20 1994-10-21 Packin Sarl Procede et appareil pour empiler des articles cylindriques couches sur un support plat, notamment sur une palette
JPH07330154A (ja) 1994-06-08 1995-12-19 Kioritz Corp 長尺材の段積み搬送装置
DE19912171C2 (de) 1999-03-18 2001-02-22 Kallfass Maschb Gmbh & Co Holzlattenstapelvorrichtung
CN104276305B (zh) 2013-07-12 2016-03-09 苏州宝联重工股份有限公司 多通道焊管高速打包出料系统

Non-Patent Citations (1)

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Title
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Also Published As

Publication number Publication date
SI3369663T1 (sl) 2021-03-31
DE102017001950A1 (de) 2018-08-30
DK3369663T3 (da) 2020-12-14
EP3369663A1 (fr) 2018-09-05

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