EP3623128B1 - Maschine und verfahren zum zusammensetzen von paletten - Google Patents

Maschine und verfahren zum zusammensetzen von paletten Download PDF

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Publication number
EP3623128B1
EP3623128B1 EP19197130.8A EP19197130A EP3623128B1 EP 3623128 B1 EP3623128 B1 EP 3623128B1 EP 19197130 A EP19197130 A EP 19197130A EP 3623128 B1 EP3623128 B1 EP 3623128B1
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EP
European Patent Office
Prior art keywords
pallet
nailing
machine according
framework
support
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EP19197130.8A
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English (en)
French (fr)
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EP3623128A1 (de
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Roberto TALOZZI
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Individual
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
    • B27M3/0013—Manufacture or reconditioning of specific semi-finished or finished articles of composite or compound articles
    • B27M3/0073—Manufacture or reconditioning of specific semi-finished or finished articles of composite or compound articles characterised by nailing, stapling or screwing connections

Definitions

  • the present invention relates to a machine for assembling pallets, according to the preamble of claim 1. Such a machine is known from document FR2644387A1 .
  • the present invention also relates to a method according to claim 15.
  • the present invention relates to some improvements to a semi-automatic machine for assembling pallets that allows a high production of pallets per operator used and a wide operating flexibility as regards the type and dimensions of the pallet to be assembled.
  • One object of the present invention is to improve the state of the art.
  • Another object of the present invention is to provide a machine and a method for nailing pallets which allow the use of different types of nails and/or with different nailing methods.
  • Yet another object of the present invention is to provide a machine and a method for nailing pallets which allows the realisation of connections between the wood parts overlapping with metallic elements such as staples, clips or the like, the ends of which are closed at the back.
  • a further object of the present invention is to provide a machine and a method which allow a rapid assembly of pallets with a high productivity for each operator used.
  • a machine is presented for assembling pallets according to claim 1.
  • the machine according to the present invention having the possibility to move the at least one front nailing means and the at least one rear nailing means vertically and horizontally, manages to obtain a high nailing speed with only two nailing means.
  • Another object of the present invention is to provide a machine and a method for assembling pallets that are flexible so that they can be easily adapted to different types of pallets and different types of nailing.
  • Yet another object of the present invention is to provide a machine that is low-cost to manufacture and maintain.
  • the machine according to the present invention is constructed in a simple and robust way to allow uninterrupted operation.
  • the machine according to the present invention does not require substantially ordinary maintenance, nor extraordinary maintenance; moreover; all the parts do not require lubrication. Further advantageous characteristics are described in the dependent claims.
  • Figure 1 shows a machine for assembling pallets, generally designated with the reference number 1, which essentially comprises a support structure 2 within which one or more frameworks 3 can be housed for the assembly of any type of pallet, indicated in figure 1 with the reference number 4.
  • the machine 1 further comprises at least one upright 5 movable on the support structure 2 and provided with a plurality of front nailing means 6 and one or more possible rear nailing means 14.
  • a component or means is defined as "front”, it is intended as acting starting from the front of the machine, i.e. from the side in which it is arranged and an operator acts during the assembly of a pallet, while in the case in which a component or means is defined as “rear”, it is intended as acting from the back of the machine, i.e. from the side opposite to that in which it is arranged and an operator acts during the assembly of a pallet.
  • the front nailing means 6 are designed to insert nails or staples from a first side or face of a pre-assembled and not nailed pallet
  • the rear nailing means 14 are designed to insert nails or staples starting from a second side or the back of a pre-assembled and not nailed pallet.
  • the rear nailing means 14 act as a stripe on the opposite side from the front nailing means 6 with respect to a pre-assembled and not nailed pallet.
  • the rear nailing means 14 act and insert nails or staples in the same line, but in the opposite direction with respect to the front nailing means 6.
  • the support structure 2 of the machine 1 houses two frameworks 3 for the assembly of as many pallets, so while the machine 1 proceeds with the nailing of the parts of a previously pre-assembled pallet on a first framework 3, an operator can prepare the parts of another pallet on a second framework 3.
  • the machine 1 can comprise a number of frameworks 3 even greater than two, for example three or four frameworks 3.
  • the machine 1 is therefore flexible and can be modular with one or more frameworks 3 controlled by a single movable upright 5 with the relative nailing means 6, 14. The best productivity is thus obtained from each operator without long waiting times or dead times.
  • the upright 5 movable in the direction of the arrow X in the horizontal direction moves back and forth, to see to the nailing of the different parts of the pallets in preparation on the frameworks 3.
  • the nailing direction is transverse or perpendicular to the direction of movement of the movable upright 5.
  • the overall size of the machine 1 according to the present invention is contained and in length is slightly greater than the dimensions in length of two pallets arranged side by side; the height dimension of the machine 1 is slightly greater than the height of a pallet arranged vertically while the width dimension is slightly greater than the transverse dimension of a pallet placed vertically and tilted slightly rearwards.
  • the machine is thus overall slightly more cumbersome than two pallets, as in the case illustrated in figure 1 with two frameworks 3.
  • the support structure 2 comprises a front portion 7 which has the form of a frame inside which the frameworks 3 for assembling pallets are fixed.
  • the front portion 7 is inclined slightly rearwards with respect to the vertical, for example with an inclination of about six to ten degrees with respect to the vertical. In essence, the main lying plane of the front portion 7 is inclined with respect to the vertical by six to ten degrees.
  • the front portion 7 and the support legs 8 can be connected by a base 9 of rectangular or similar shape.
  • the base 9 comprises support feet (not shown), of which at least one support foot has a height adjustment to adjust the level of machine 1 on the ground.
  • the front portion 7 comprises one or more upper horizontal crossbeams 10, one or more lower horizontal crossbeams 11, and uprights 12 to connect the crossbeams 10, 11.
  • the upper horizontal crossbeams 10 can be realised with H-shaped profiles
  • the uprights 12 can be of the tubular type, for example with a square or rectangular cross-section
  • the lower crossbeams 11 can also have H-shaped profiles.
  • all the elements that form the front portion 7 can be tubular elements.
  • the constructive elements that form the support structure 2, including the legs 8 and the base 9, are sized so as to define a very rigid structure.
  • the frameworks 3 for assembling pallets can be fixed to the support structure 2 with the same rearward inclination as the front portion 7, the aforementioned rearward inclination with respect to the vertical allows a more secure support of the parts that the operator will insert from time to time in each framework 3 for composing the pallet 16.
  • the machine could also comprise only the frameworks 3 inclined rearwards, while the front portion 7 of the machine 1 is in a vertical or otherwise differently inclined position, more inclined or less inclined according to the constructional requirements of the machine 1, as compared to the frameworks 3. Thanks to the vertical or substantially vertical position of the frameworks 3, the preparation of the parts of the pallet by the operator is also facilitated.
  • the framework 3 can be used for pallets of any shape and components without departing from the scope of the present invention.
  • an important feature of the machine 1 according to the present invention is given by the possibility of carrying out nailing which is closed or riveted in the back.
  • the movable upright 5 comprises on the back at least one abutment means 13 - see also figure 1 - which moves vertically by means of movement means on a main structure of the movable upright 5 in a coordinated way with the front nailing means 6.
  • the abutment means 13 are responsible for nailing or riveting nails or staples in back inserted by the front nailing means 6 in the parts of a pallet supported by a framework 3.
  • rear nailing means 14 can also be present on the rear part of the movable upright 5 which, in the example illustrated in figure 2 , can be used to insert nails or brads 15 of the specific type adapted to penetrate the blocks 163 of the pallet 16.
  • the abutment means 13 are staggered or staggerable with respect to the rear nailing means 14.
  • the upright 5 further comprises vertical movement means (not shown), to vertically move the at least one front nailing means 6, the at least one abutment means 13, the at least one rear nailing means 14 according to the direction indicated by the arrow Y shown in figure 1 .
  • the above-mentioned vertical movement means can vertically move the front nailing means 6 all together, if there is more than one front nailing means 6, or each front nailing means 6 can be moved independently by a respective vertical movement means.
  • the vertical movement means move the at least one abutment means 13 in a coordinated manner with the respective front nailing means 6.
  • Figure 3 shows in detail one abutment means 13 which comprises a support 17 which is movable in two positions: an abutment and a release position for the pallet 16.
  • the support 17 acts as an abutment, when a staple 18 - or a nail or a brad - is inserted which must be riveted or closed at the back, closing it at the back of the pallet.
  • the support 17 is movable in both directions as indicated by the arrows F, according to a direction substantially parallel to the direction of introduction of the staple 18, or nail or brad.
  • a front nailing means 6 and a respective abutment means 13 would be or would act substantially along the same direction, which will preferably be substantially inclined with respect to the vertical and perpendicular to the main lying plane of a framework 3 or of the pallet 16 to be assembled.
  • the support 17 can be movable in another direction transverse or orthogonal to that of the respective front nailing means 6, for example laterally.
  • the abutment means 13 comprise a movement device 19 which allows, according to the arrows F, the support 17 to be pulled out or retracted.
  • the movement device 19 develops a force sufficient to counteract the bending and/or closing force of the staple 18 (or nail or brad) applied and/or due to the actuation of the nailing means 6.
  • a locking mechanism (not shown) can also be provided that allows locking said support element 17 in the pulled out and/or retracted position.
  • the locking mechanism of the movement device 19 allows the support 17 to sustain the bending and/or closing force of the staple 18 due to the actuation of the nailing means 6.
  • the support 17 has an abutment face 20 that can be substantially flat or can have one or more inclined grooves (not shown) to facilitate the bending and/or closing of the staple 18, or nail or brad.
  • the support 17 can be pulled out substantially at the same time as the actuation of the nailing means 6, or slightly before the actuation of the nailing means 6 to also support the parts of the pallet 16 affected by the nailing.
  • the framework 3 for assembling pallets 16 must have particularly limited footprint features to allow the abutment means 13 to fit through the framework 3 itself. Furthermore, multiple adjustment possibilities are provided in the framework 3 for quick adaptation to different types of pallets without the need to replace parts of the framework 3 itself.
  • Figure 4 shows a framework 3 for assembling pallets according to the present invention.
  • Framework 3 comprises a frame 21, formed for example by horizontal elements or tubular horizontal elements 22 and vertical elements or tubular vertical elements 23 connected to each other for example in a substantially rectangular shape, and the transverse groups 24 that are arranged substantially horizontally and are adjustable in the vertical direction because, as will be seen in more detail below, during the formation of the specific pallet 16, they are needed for supporting the boards 164 and for supporting the blocks 163.
  • the number and the position of the transverse groups 24 is a consequence of the number of boards 164 of the pallet 16, so if the number of boards 164 is greater than three, the number of transverse groups 24 should be in equal number to that of the boards 164, that is, greater than three; similar considerations can also be made for the other parts of the pallet 16, such as the blocks 163, the cross members 162 and the strips 161.
  • a vertical guide 25 and a rack 26 are arranged on each tubular vertical element 23; the transverse groups 24 have, at their ends, blocks sliding on the vertical guides 25 and two first toothed wheels 27, each of which being engaged on a rack 26; the two toothed wheels 27 are connected to each other by a first shaft 28; the two toothed wheels 27 are placed in rotation by a gearmotor 29.
  • the position of the transverse groups 24 is therefore adjustable in height by means of the simultaneous rotation of the two toothed wheels 27 which are engaged on the two racks 26.
  • gearmotor 29 can be provided with an automatic brake, for example of the electromagnetic type, once the vertical position of the transverse group 24 necessary for the formation of the pallet 16 has been reached, this position is maintained by the automatic locking of the gearmotor 29 brake.
  • Each transverse group 24 also comprises a bracket 30, provided with substantially vertical rear supports 31.
  • bracket 30, supports 31 allow positioning the boards 164 on the brackets 30 with sufficient security without the boards 164 risking falling at the back.
  • the transverse group 24 comprises supports 32 for the blocks 163, in the example of the pallet illustrated in the figures there are three blocks 163 for each board 164, that is, nine blocks 163, accordingly there are three supports 32 for each transverse group 24, that is, in total there are nine supports 32.
  • the supports 32 are arranged in the same position as the blocks 163 and are fixed to a horizontal beam 33 movable in a vertical direction via a series of actuators 34 and in particular, each beam 33 is connected to two actuators 34 arranged near the ends of the beam 33 itself, these actuators 34 can raise or lower the beam 33, with the supports 32, by a few centimetres.
  • two synchronisation mechanisms 35 are provided, arranged at the two ends of the beam 33.
  • each synchronisation mechanism 35 comprises a rack section 36, arranged vertically and fixed to a supporting framework 37 of the transverse group 24, the actuator 34 also being fixed to this framework 37, and a second toothed wheel 38 which is in turn arranged on and fixed to a second connecting shaft 39 for the two synchronisation mechanisms 35 arranged at the ends of the beam 33; the shaft 39 is inserted on two supports 40, for example, two rolling bearings, fixed to the beam 33, the aforesaid supports 40 allowing the rotation of the shaft 39.
  • Each rack 36 is therefore locally fixed because it is connected to the supporting framework 37 of the transverse group 24, while the toothed wheels 38 with the shaft 39 and the supports 40 are connected to the beam 33, which is lifted and lowered as controlled by the actuators 34.
  • Front-back adjustment means 41 are also provided for adjusting the bracket 30 with the supports 31 according to a front-back direction.
  • front-back direction means a direction transverse or orthogonal to a vertical direction, in use, as well as transverse or orthogonal to a direction from one side to the other of the framework 3 or to the direction X of movement of the movable upright 5.
  • the front-back adjustment means 41 comprise two rack components 42 connected to the bracket 30, for example delimited at one end, for example a lower end of a plate 43, for example arranged with a vertical arrangement, by a first face 43a from which the bracket 30 extends.
  • the front-back adjustment means 41 also comprise two toothed wheel elements 44, each of which engages a respective rack component 42; the toothed wheel elements 44 are then connected or mounted or keyed, in phase with each other, on a third shaft 45, which is in turn mounted to be locally fixed to the framework 3, but in a rotatable manner.
  • bracket 30 In practice, by adjusting the front-back position of the bracket 30, the same movement to the right and left of the plates 43 is always obtained, and therefore the bracket 30 always moves parallel to itself.
  • each plate 43 On a second face of each plate 43, means for guiding or directing the movement of the bracket 30 extend, for example a block 45 slidably mounted on a rib or raised element 46 in turn fixed to or emerging from the framework 37.
  • a bolt 47 or similar locking means are provided, this bolt 47 can be present on both plates 43, or on a single plate.
  • the adjustment of the front-back position of the bracket 30 could also be carried out with different adjusting means, adjusting means which themselves must maintain a corresponding and coordinated movement of the ends of the bracket 30, namely the plates 43 which support the bracket 30.
  • the position of the transverse groups 24 is suitably set or adjusted, or better is set or adjusted depending on the type, size, thickness, etc. of the pallet to be obtained, through the respective gearmotors 29 and the position of the brackets 30 is set or adjusted by means of the actuation of the front-back adjustment means 41.
  • the beam or beams 33 with the supports 32 is/are in the lowered position to allow the operator to more easily place the boards 164 on the respective brackets 30, then upon the command of the operator, the actuators 34 lift the beam 33 (see figure 8 ).
  • Each of the supports 32 for the blocks 163 comprises two side walls 32a, 32b thus constituting a seat and a positioning for each block 163.
  • a first side wall 32a is fixed, having the function as reference for the position of the block 163, while the second side wall 32b is movable by means of a respective actuator 32c, so as to stop the block 163 in a predetermined position as a function of the pallet that is being prepared.
  • the wall 32b can be found in two positions: a first position in which the seat is wider, to allow easy insertion of a block 163 by the operator and a closed position, in which the wall 32a rests on block 163 for which the position is determined with precision.
  • the wall 32b is actuated, on the command of the operator, by means of the respective actuator 32c, which for example can be realised with a double-acting pneumatic cylinder, but of course it can also be any other type of actuator adapted to the purpose.
  • Figure 9 shows a pallet preparation step in which the operator has already placed the blocks 163 on the supports 32 in front of the boards 164, and the movable walls 32b are in the position in which the seat is wider; figure 10 shows the walls 32b closed and leaning against the blocks 163, so as to precisely define their position.
  • the position of the block 163 is therefore defined by the position of the walls 32a and the subsequent movement of the wall 32b which puts the block 163 into contact with the wall 32a.
  • the position can be adjusted and the number of seats for the blocks 163 can also be varied.
  • Each group formed by the support 32, the side walls 32a, 32b and the actuator 32c can be added to or removed from the beam 33, and the position of the group can also be adjusted in the longitudinal direction with respect to the beam 33 to accommodate different types and sizes of pallets.
  • a release command will be executed that will move the walls 32b in the position in which the seat is wider by freeing the blocks 163 to allow removing the pallet from the framework 3.
  • Figure 11 shows a further step of preparation of the parts of the pallet 16; in this step, the operator inserts the cross members 162 that are supported vertically on three supports 32 further down, for this purpose the supports 32 in the lowest position are provided longer in order to allow the positioning and support of the cross members 162 in front of the blocks 163.
  • the operator moves, in front of the cross members 162, the supports 48 which serve to support the strips 161 that will form the cover of the pallet 16.
  • the supports 48 are arranged at the sides of the pallet that is being formed, and on each side the support group 48 is attached to a fourth rotatable vertical shaft 49 which is connected to a respective actuator 50.
  • the actuator 50 is of the linear type and actuates the rotation of the shaft 49 via a crank and connecting rod mechanism.
  • rotary actuators could also be used to rotate the shaft 49, for example a gearmotor.
  • the number and position of the supports 48 are determined by the number and position of the strips 161, and therefore the supports 48 can be added or removed from the shaft 49 and can also be adjusted in height.
  • each support 48 comprises at a first end an adjustable coupling 48a to the shaft 49, an arm 48b, and at the second end a small support plane 48c (see figure 7 ) for a strip 161.
  • the operator can quickly and easily put all seven strips 161, or the number of strips provided for the pallet being formed, on the support planes 48c of the supports 48.
  • Figure 13 shows the last preparation step of the pallet 16.
  • the operator closes two leaves 51 above the pallet, which each have a vertical bar 52 which rests above the strips 161, exerting a moderate pressure by means of elastic return means (not shown) acting on the leaves 51.
  • the leaves 51 ensure that the parts of the pallet, in particular the strips 161 which have not yet been nailed, remain in the desired position for the subsequent nailing operation.
  • the closing of the leaves 51 can also provide a gating for the subsequent nailing operation. In other words, without the closing of the leaves 51 it is not possible to carry out the nailing and the movable upright 3 does not move.
  • the operator can control the nailing of the pallet which occurs in a completely automatic way, and can simultaneously move to another of the frameworks 3 to prepare another pallet.
  • the pallet nailing operation is carried out by the nailing means 6 and 14 that are carried by the movable upright 3, also suitably actuating the abutment means 13, so that the latter move on the movable upright 5 in a coordinated way with the respective front nailing means 6.
  • the movable upright 3 is supported in a sliding manner and can move horizontally with respect to the support structure 2.
  • motor means are provided which allow a horizontal lateral movement in the two directions of the movable upright 3, as indicated by the arrow X in figure 1 .
  • abutment means it is possible to rivet, at the back, a staple 18 - or a nail or a brad, which has been inserted by nailing means 6.
  • a machine according to the present invention has movement components such as to ensure high versatility and adaptability to the realisation of even very different pallets.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Automatic Assembly (AREA)

Claims (15)

  1. Maschine (1) zum Montieren von Paletten, umfassend eine Tragkonstruktion (2), mindestens ein Rahmenwerk (3) zum Montieren einer Palette (16), wobei die besagte Palette (16) aus Teilen (161-164) gebildet ist, wobei das besagte Rahmenwerk (3) in der besagten Tragkonstruktion (2) unterbringbar ist, mindestens einen Pfosten (5), der auf der besagten Tragkonstruktion (2) bewegbar und mit mindestens einem vorderen Nagelmittel (6) zum Nageln der Teile (161-164) der Palette (16) versehen ist, wobei die besagte Maschine ferner Mittel zur vertikalen Bewegung zum vertikalen Verschieben des besagten mindestens einen vorderen Nagelmittels (6) auf dem bewegbaren Pfosten (5) umfasst, wobei der besagte bewegbare Pfosten (5) am hinteren Teil mindestens ein Anschlagmittel (13) umfasst, wobei das besagte mindestens eine Anschlagmittel (13) zum Verschließen oder Vernieten der Nägel oder Klammern auf der Rückseite, die durch das besagte vordere Nagelmittel (6) in die Teile einer Palette (16), die von dem besagten mindestens einen Rahmenwerk (3) getragen wird, ausgelegt ist, dadurch gekennzeichnet, dass das besagte mindestens eine Anschlagmittel (13) mittels der besagten Bewegungsmittel in einer koordinierten Weise mit dem jeweiligen einen oder mehreren vorderen Nagelmittel(n) (6) vertikal bewegbar ist.
  2. Maschine nach Anspruch 1, wobei das besagte mindestens eine Anschlagmittel (13) eine Stütze (17) umfasst, die in zwei Positionen, d.h. einer Anschlag- und einer Freigabeposition, für die Palette (16) bewegbar ist, wobei die Stütze (17) in der Anschlagposition als ein Anschlag wirkt, wenn eine Klammer oder ein Nagel oder ein Stift (18) eingeführt wird, die/der auf der Rückseite vernietet werden muss, wobei sie/er auf der Rückseite der Palette verschlossen wird und in der das besagte Anschlagmittel (13) eine Bewegungsvorrichtung (19) umfasst, die es der Stütze (17) ermöglicht, ausgezogen oder versenkt zu werden, sodass, wenn sich die Stütze (17) in ihrer ausgezogenen Position befindet, die besagte Bewegungsvorrichtung (19) eine Kraft entwickelt, die ausreicht, um der Biege- und/oder Schließkraft der Klammer oder des Nagels oder des Stiftes (18), die auf die Betätigung der vorderen Nageleinrichtung (6) aufgebracht wird, entgegenzuwirken.
  3. Maschine nach Anspruch 2, wobei die besagte Stütze (17) in beide Richtungen gemäß einer Richtung im Wesentlichen parallel zur Einführungsrichtung der Klammer oder des Nagels oder des Stiftes (18) durch ein vorderes Nagelmittel (6) bewegbar ist.
  4. Maschine nach Anspruch 2, wobei die besagte Stütze (17) in beide Richtungen gemäß einer orthogonalen oder transversalen Richtung zur Einführungsrichtung der Klammer oder des Nagels oder des Stiftes (18) durch ein vorderes Nagelmittel (6) bewegbar ist.
  5. Maschine nach Anspruch 2, 3 oder 4, wobei die besagte Stütze (17) eine Anschlagfläche (20) aufweist, die im Wesentlichen flach sein kann oder eine oder mehrere Schrägnuten aufweisen kann, um das Biegen und/oder Schließen der Klammer oder des Nagels oder des Stiftes (18) zu erleichtern.
  6. Maschine nach irgendeinem der vorangegangenen Ansprüche, wobei das besagte mindestens eine Rahmenwerk (3) einen Rahmen (21) umfasst, der durch horizontale Elemente (22) und vertikale Elemente (23) gebildet ist, die miteinander verbunden sind, und dann transversale Gruppen (24) umfasst, die im Wesentlichen horizontal angeordnet und vertikal entlang der besagten vertikalen Elemente (23) einstellbar sind, wobei auf jedem vertikalen Element (23) eine vertikale Führung (25) sowie eine Zahnstange (26) angeordnet ist, wohingegen die transversalen Gruppen (24) an ihren Enden Blöcke, die auf den vertikalen Führungen (25) gleiten, und zwei erste Zahnräder (27), von denen jedes in eine Zahnstange (26) eingreift, aufweisen, wobei die besagten ersten Zahnräder (27) durch eine erste Welle (28) miteinander verbunden sind und beim Drehen mittels eines Getriebemotors (29) in Eingriff stehen.
  7. Maschine nach Anspruch 6, wobei der besagte Getriebemotor (29) mit einer automatischen Bremse, beispielsweise des elektromagnetischen Typs, versehen ist, sodass, wenn die vertikale Position der transversalen Gruppe (24), die für die Bildung der Palette (16) erforderlich ist, erreicht wurde, diese Position durch die automatische Verriegelung der Bremse des Getriebemotors (29) beibehalten wird.
  8. Maschine nach Anspruch 6 oder 7, wobei jede transversale Gruppe (24) eine Halterung (30) umfasst, die mit im Wesentlichen vertikalen hinteren Stützen (31) versehen ist, und in der frontal zur Halterung (30) jede transversale Gruppe (24) Stützen (32) umfasst, wobei die besagten Stützen (32) an einem horizontalen Träger (33) befestigt sind, der durch einen Satz von Aktuatoren (34) in eine vertikale Richtung bewegbar ist.
  9. Maschine nach Anspruch 8, umfassend Synchronisationsmechanismen (35), die an den zwei Enden des Trägers (33) angeordnet sind, um eine synchronisierte Bewegung der zwei Enden des Trägers (33) zu erhalten.
  10. Maschine nach Anspruch 9, wobei jeder Synchronisationsmechanismus (35) einen Zahnstangenabschnitt (36), der vertikal angeordnet und an einem Tragrahmenwerk (37) einer transversalen Gruppe (24) befestigt ist, und ein zweites Zahnrad (38), welches seinerseits auf einer zweiten Verbindungswelle (39) für die zwei an den Enden des Trägers (33) angeordneten Synchronisationsmechanismen (35) angeordnet und an dieser befestigt ist, umfasst, wobei die besagte zweite Welle (39) an zwei Stützen (40) eingesetzt ist, die an dem Träger (33) befestigt sind, wobei die besagten Stützen (40) die Drehung der zweiten Welle (39) ermöglichen, wobei jede Zahnstange (36) daher ortsfest fixiert ist, da sie mit dem Tragrahmenwerk (37) der transversalen Gruppe (24) verbunden ist, während das zweite Zahnrad (38) mit der zweiten Welle (39) und den Stützen (40) mit dem Träger (33), der durch die Aktuatoren (34) gesteuert angehoben und abgesenkt wird, verbunden ist.
  11. Maschine nach irgendeinem der Ansprüche 8 bis 10, wenn abhängig von Anspruch 8, die Einstellmittel (41) in der Vorne-Hinten-Richtung der Halterung (30) mit den Stützen (31) umfasst.
  12. Maschine nach Anspruch 11, wobei die besagten vorderen/hinteren Einstellmittel (41) zwei Zahnstangenkomponenten (42), von denen jede Komponente mit einem jeweiligen Ende (43) der Halterung (30) verbunden ist, zwei Zahnradelemente (44), von denen jedes mit einer jeweiligen Zahnstangenkomponente (42) in Eingriff steht, umfassen, wobei die besagten Zahnradelemente (44) in Phase miteinander an den Enden einer dritten Welle (45), die ihrerseits montiert ist, um an dem besagten mindestens einen Rahmen (3) ortsfest fixiert und drehbar zu sein, verbunden oder montiert oder verkeilt sind.
  13. Maschine nach irgendeinem der vorangegangenen Ansprüche, wobei der besagte bewegbare Pfosten (5) an seinem hinteren Teil mindestens ein hinteres Nagelmittel (14) umfasst, das mittels des besagten vertikalen Bewegungsmittels an einer Hauptkonstruktion des bewegbaren Pfostens (5) vertikal bewegt werden kann.
  14. Maschine nach irgendeinem der vorangegangenen Ansprüche, wobei das besagte mindestens eine Rahmenwerk (3) eine nach hinten gerichtete Neigung in Bezug auf die Vertikale aufweist, um eine sichere Abstützung der Teile der zu montierenden Palette bereitzustellen.
  15. Verfahren zum Montieren einer Palette, die aus Teilen gebildet ist, wobei die besagten Teile Bohlen (161), Klötze (163), die den Zwischenteil der Palette bilden, Querträger (162) und Bretter (164) sind, umfassend die Schritte des:
    Vorbereitens der Maschine nach irgendeinem der vorangegangenen Ansprüche,
    des Vorbereitens der Teile (161-164) der Palette (16) auf dem besagten mindestens einen Rahmenwerk (3) zur Montage,
    des Nagelns der Teile der Palette (16), die auf dem mindestens einen Rahmenwerk (3) vorbereitet sind, mittels des besagten mindestens einen vorderen Nagelmittels (6),
    dadurch gekennzeichnet, dass
    das besagte mindestens eine Anschlagmittel (13) die Nägel oder Klammern, die durch das besagte mindestens eine vordere Nagelmittel (6) eingesetzt werden, hinten verschließt oder vernietet.
EP19197130.8A 2018-09-12 2019-09-12 Maschine und verfahren zum zusammensetzen von paletten Active EP3623128B1 (de)

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CN115056306A (zh) * 2022-07-08 2022-09-16 智腾自动化科技河北有限公司 一种木托盘的自动化生产线及生产工艺
CN117755774B (zh) * 2023-11-24 2024-05-28 江苏嘉瑞木业有限公司 一种木地板翻面送料机
KR102692016B1 (ko) * 2024-05-27 2024-08-05 (주)동화 목재파레트 제조시스템

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US3591067A (en) * 1969-05-28 1971-07-06 Fmc Corp Assembly jig for the nailing of wood frame members
GB1564505A (en) * 1975-11-22 1980-04-10 Whitfield Wylie Ltd Manufacture of pallets or the like
FR2644387B1 (fr) * 1989-03-20 1993-05-28 Ormeca Machine perfectionnee pour confectionner des palettes en bois
FI86819C (fi) * 1991-05-07 1992-10-26 Taalikka Oy Anordning foer framstaellning eller hopsaettning av lastplattformer som traekonstruktion
US5379513A (en) * 1992-09-24 1995-01-10 Viking Engineering & Development, Incorporated Automated nailing device
US20140076954A1 (en) * 2012-09-18 2014-03-20 Stanley Fastening Systems, L.P. Pallet nail clinching apparatus and methods
ITUB20150824A1 (it) 2015-05-15 2016-11-15 Roberto Talozzi Macchina e metodo per l'assemblaggio di pallet

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