• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention concerns a method and arrangement for forming stacks of timber where the pieces of timber are end-aligned through interaction with transverse rollers, and are formed into stacks through layers being stacked one of top of each other with, in some cases, the insertion of intermediate laths. In order to achieve higher capacity, the method includes the following operational steps: - that in a first step pieces of timber (3) form a contiguous layer (20), - that in a second step the pieces of timber in the layer (20) are separated from each other - that in a third step the separated layer (20) is divided into a number (n) of pre-determined sublayers (20:1-20:n) of pieces of timber, - that in a fourth step the sublayers (20:1-20:n) are end-aligned against a first end stop (37), - that in a fifth step any one of the sublayers (20:1-20:n) is end-aligned against a second end stop (38), - that in a sixth step the relevant sublayers (20:1-20:n) are collected to form a contiguous layer (20), - that in a seventh step the contiguous layers (20) are stacked one on top of each other to form a stack of timber.
    公开号:SE1151087A1
    申请号:SE1151087
    申请日:2011-11-15
    公开日:2013-05-16
    发明作者:Gunnar Marklund；Jan Johansson；Peter Jonsson
    申请人:Renholmen Ab；
    IPC主号:
    专利说明:

    15 20 25 30 35 2 units per minute or more. That is, there is a need for technology that enables a doubling of today's capacity.
    An object of the present invention is therefore to provide a method which makes it possible to increase the total capacity of packing-laying devices of the above-mentioned type, in particular by enabling an increase in the processing capacity of the packing-level leveling conveyor. Another object of the invention is to provide a package laying device for carrying out the method. The invention also relates to a wood package prepared according to the method. These two objects of the invention are achieved by a method and a device, respectively, which have obtained the features and features stated in claim 1 and 5, respectively. As the latter object of the invention, this is stated in claim 12. on which; fi g¿ shows a side view of a device for packing timber according to the invention comprising a layer building conveyor, an end leveling conveyor, and a layer transfer device for transferring built layers to a height-adjustable stacking table; fl g¿ shows a side view of a part of a forward conveyor conveyor included in the device located in a transition area between the layer-building conveyor and the end-level conveyor; ß gß the ejector conveyor shown in Fig. 2; shows a plan view corresponding to the transition area with Fig. 4 shows a side view of a part of a return conveyor included in the device located in a transition area between the end leveling conveyor and the layer transfer device; fi give a plan view of the return conveyor shown in fig. 4; shows one corresponding to the transition area with fi qj shows a side view of the layer transfer device for transferring built-up layers to the height-adjustable stacking table; Fig. 1 schematically shows a side view of a chain conveyor included in the end leveling conveyor of the device; fi gi shows a perspective view of a timber package made in accordance with the principles of the present invention.
    Fig. 1 shows a device for forming a timber package according to the present invention and which through which pieces of timber are transported in their transverse direction on an endless running conveying means in the form of chains or belts extending parallel to each other. Starting from the left in Fig. 1, a part of an input conveyor 1 is generally shown and in connection therewith a layer-building conveyor 2 from which the layer designated V1 is collected. , an end leveling conveyor 4 on which wood pieces are transported in layers at a speed wood pieces 3 are transported forward at a speed denoted V2, a layer transfer conveyor 5 on which the wood layers are transported at speed V3 up to a layer transfer device 6 for transferring wood layers to a stackable table and 7 The transport means 10A of the layer-building conveyor 2 are laterally displaced relative to the transport means 1OB of the feed conveyor 1, extend in between them and are with their transport plane X2, i.e. with the upper part of the belts supporting the pieces of timber, arranged at a slightly lower level than the transport plane X1 of the feed conveyor so that a clear edge is present in the transition. Furthermore, it should be clear that the transport plane of the end level conveyor 4 designated X3 is located at a level equal to or slightly lower than the transport plane X2 of the layer construction conveyor 2 and the layer transfer conveyor 6, respectively. X4.
    In an end-level conveyor 4 there is a projecting conveyor 15 whose speed is denoted V2 transition area between the layer-building conveyor 2 and is synchronized to the speed of the end-level conveyor 4. In a transition area between the end leveling conveyor 4 and the layer transfer device 6 there is a return conveyor V3, the speed of the return conveyor 16 can be regulated normally so that gaps 21 'with a desired width 16 whose speed is regulated in relation to other conveyors. designated b3 is obtained between adjacent pieces of wood in the layer and as a result the resulting evenly leveled layer which is to be stacked into a wood package obtains a width corresponding to a predetermined package width B1.
    Referring to Figs. 2 to 6, the ejector conveyor 15 and the return conveyor 16, respectively, each comprise a series of endless conveying means 1OC, respectively. 10D which are laterally offset in relation to the conveying means 10A, 1OB, 1OF of adjacent other conveyors 2, 4, 5 so that the conveying means can run parallel and partly in each other. The projector conveyor 15 is with its transport plane X5, i.e. with the upper part of the belts 10C supporting pieces, arranged at a slightly higher level than the transport plane X2 of the layer construction conveyor 2 so that a clear edge is present in the transition and a transport plane X3 of the end leveling conveyor 4 is located at a level equal to or slightly lower than the conveyor conveyor X5. The return conveyor 16 is with its transport plane X6, ie. with the upper timber supporting part 10D of the belts, arranged at a level equal to or slightly higher than the transport plane X3 of the end leveling conveyor 4. The fact that the conveying conveyor 1OC, 10D of the projecting conveyor 15 and the conveying conveyor 16, respectively, are laterally offset in relation to adjacent other conveying means means that these two conveying means with an effective part, simply can pick up or drop off pieces of wood 3 to and from a conveyor seen in front of or in the conveying direction. By ensuring that the speed V2 of the ejector conveyor 15 is higher than the speed of the timber layers 20 leaving the previous layer construction conveyor 1, a gap 21 or a gap b of a width b will be formed between two successive pieces of timber 3 in an initially assembled timber layer 20. By varying the relative speed of the ejector conveyor 15 to the previous layer construction conveyor 2 with the speed V1, the gap 21 thus formed can be given the desired width b and thus the distance between adjacent pieces of wood 2 can be changed. The active part of the ejector conveyor 15 has for this purpose been given the ability to accelerate a piece of wood 3 from an immediately behind piece of wood 3 in a layer 20 by lifting the piece of wood 3 from the layer building conveyor 3 to create a gap 21 with a certain width b between pieces of wood in the layer. on the other hand, hand over this layer to the subsequent end leveling conveyor 4 which operates at a higher speed. On the return conveyor 16 at the end of the leveling conveyor 4, by working with the forward conveyor synchronized correspondingly, adjustable and normally lower speed V3 can automatically brake up individual front pieces of timber 2 in the layer 20 relative to a rear one, by one and one lifting the pieces of timber to the layer transfer conveyor 4 so as to reduce the gap 21 between adjacent pieces of wood 3 so that the original assembled wood layer 20 is re-formed before stacking and packing begins. With the re-formation or merging of a layer, it should be realized that this does not necessarily mean that the timber pieces of the layer lie in a collection of poems opposite each other. It should be understood that in some cases it may be desirable to give the reshaped layer a predetermined width corresponding to the desired layer width B1 in a pile of timber through d (V2-V3), eg. the end leveling conveyor 4 and the return conveyor 16 so that columns 21 'with the desired control of the relative speed, the deceleration between width denoted b3 in fig. 4 is obtained between adjacent pieces of wood in the layer.
    As best shown in Figs. 2 and 3, in connection with the layer-building conveyor 2, a layer dispenser is arranged which has a buffer zone 25 in which relatively unevenly arriving pieces of wood 3 can be temporarily stored, stopped against a stop device 26.
    The stop device 26 is in the example in a raised stop position. When a sufficient amount of wood pieces 3 has been collected in the buffer zone 25 to form a wood layer 20, a signal is given from a control unit not further described here to a layer delimiting device 27, which slightly lifts a subsequent piece of wood while it is clamped from above.
    Feed-fed pieces of wood 3 are thus collected as they arrive at the layer delimiting device 27. The layer feeders of the layer-building conveyor 2 are controlled with information on the predetermined package width B1 and thus the number of pieces of wood 3 in each layer 20. In Figs. 1 and 2 the first piece of wood is denoted by 3. the new layer 20 which O: | eg besk 111003 111115 besk.docx 10 15 20 25 30 35 5 has been built up. In connection with the feed conveyor there is a width meter 22 which senses the width B2 of the first piece of wood in each layer and communicates this task to a control unit. The control unit thus obtains information about the speed of the feed conveyor 1 and the layer construction conveyor 2 and about the width B2 of a first piece of timber 3 in layers, the drive structure of the layer construction conveyor 2 so that for the structure of the layer 20 each control unit controls the required number of pieces (n). the predetermined packet width B1. The subsequent end leveling conveyor 4 comprises a position sensor. Upon reaching a predetermined position, a signal is given to the stop device 26, which is folded down provided that a layer 20 is fully formed, the timber layer being fed forward towards the projection conveyor 15 and from there on to the end leveling conveyor 4. When the whole layer 20 has passed the stop device 26, this back up. The tightly packed timber layer continues out onto the ejector conveyor 15 which by its higher speed V2 accelerates the individual timber pieces 3 in the timber layer 20 so that the timber pieces are separated slightly from each other to form a timber layer with a gap 21 between adjacent timber pieces where the gap has a certain width b. The separated pieces of wood 3 in the layer 20 are divided into sub-sets (20: 1: 20) when they are laid down on the subsequent end leveling conveyor 4. The number (3 ') of pieces of wood 3 in each sub-set 20: 1-20: n determined in advance and selected mainly on the basis of the width B1 of the first piece of wood 3 in the layer 20 and the maximum package width B1 of the stack of wood of stacked layers to be formed. That is, wider pieces of wood in the layer 20 mean fewer numbers of pieces of wood 3 in each subset and vice versa. The term subset in the following refers to a uniformly distributed group of objects divided from a number of objects in a certain larger collection, such as a timber layer 20 with a predetermined total width B1. It should be understood that in case the pieces of wood 3 have a very large width B2, it is conceivable that each subset 20: 1-20 only comprises a single (n ') piece of wood. The number of pieces of wood (n ') in each sublayer 20: 1-20 is controlled in this case with information on the width B2 of the first piece of wood (3) in each layer. In Figs. 2 and 3, the end leveling conveyor 3 included in the present packing device is shown in more detail, wherein 10F denotes one of a series of parallel chains running at a speed denoted V2. Reference numerals 35 denote a first end leveling device in the form of a roller conveyor with driven rollers 36 inclined to the direction of transport so arranged that all pieces of wood, when in contact with the rollers, are displaced in the longitudinal direction so that with their first end surface 31 they come into abutment against a first end stop 37, which first end stop constitutes what is usually called zero stop. Referring also to Figs. 4 and 5, reference numeral 40 generally denotes a second end leveling device which also has a roller conveyor with driven and likewise inclined rollers 36 in the direction of transport. However, these rollers 36 are driven in such a direction that all pieces of wood 3, upon contact with the rollers, are displaced in the longitudinal direction so that they come into abutment with their second end surface 32 against a second end stop 38.
    As can be seen from Figs. 2, 6, 7, alternating low and high timber-bearing portions 44, 45 are arranged on the chain conveyor 10OF of the end leveling device 4, each such low 44 or high portion 45 being intended to carry a respective subset 20: 1-20: n of pieces of wood. A low timber-carrying portion 44 consists of the trivial transport plane formed by the highest level of the upper edge of the transport chain 10F, while a spaced-apart portion 45 is intended to carry a subset of a layer of timber pieces on a transport plane located at a level slightly above the transport chain. highest level. Said raised portion 45 has been given a load-bearing surface with some friction-increasing material 45 'to ensure that pieces of wood 3 supported thereon remain. By suitable tapping, the layers 20 of timber pieces 3 with fixed gaps 21, which the projection conveyor 15 forms through its higher speed V2, can be delivered in the form of subsets 20: 1-20 with a certain number (n ') of pieces of wood down on the chain conveyor 10F. alternating low and high timber-bearing portions 44, 45, respectively.
    As best seen in Fig. 7, the alternating high and low timber-bearing portions 34, 35 of the conveyor chain 10F ensure that each subset 20: 1-20 of the timber layer of timber pieces 2 is displaced and evenly uniform within the subset. That is, the subsets 20: 1-20 are shifted uniformly in alternating directions such as in a zigzag pattern with in different directions (right and left, respectively). As shown in Fig. 7, by the action of said elevations, a first subset 2011 of timber pieces 3 in a layer will rest on support surfaces 45 which are slightly higher, while a second subset 20: 2 of timber pieces in rests on a lower support surface 44 (immediately on the transport chain). Because the subsets 20: 1-20 rest on bearing surfaces 44, 45 at different levels X3 ', X3', a subset at a higher level X3 'will only cooperate with selected rollers 36 of said end leveling devices 35, 40. every other timber-carrying portion 44, 45 of the chain conveyor 10F is elevated and located above a defined transport plane, it is ensured that all (n ') pieces of timber 3 in a subset 20: 1-20 are oriented in a uniform manner by being displaced to end level towards the first end stop. 37 and that all pieces of wood in an adjacent subset located on a lower timber-bearing portion are displaced uniformly towards the second end stop 38 so that said subsets 20: 1-20 of pieces of wood form in a zigzag pattern in each wood layer 20 of a timber package thus stacked. As mentioned above, the speed of the ejector conveyor 15 is controlled with information on the predetermined package width B1, the number (n) of wood pieces 3 in each layer and thus how these should be suitably distributed in suitable subsets 20: 1-20 of layers with adapted gaps 21. O: leg besk 111003 111115 besk.docx 10 15 20 25 30 35 7 7 between the pieces of timber in order to be successively delivered on the alternating low and high timber-bearing portions 44, 45 of the leveling conveyor 4. A control unit receives information about the projection conveyor 15 and the leveling conveyor 4 relative velocities and synchronizes these so that division of the total layer 20 into subsets 20: 1-20 on the end leveling conveyor 4 can take place and that for the construction of the layer the required number of pieces of wood (n ') in each subset 20: 1-20: equal to the predetermined package width B. This results in a pile of wood of the type shown in Fig. 8 where pieces of wood 3 in each layer 20 are divided into subsets 2. 0: 1-20 which are uniformly drawn in different directions. As mentioned above, the rollers 36 are inclined or oriented at an oblique angle denoted A towards the direction of transport. This angle A is so selected each piece of wood in a layer obtains a resulting speed forward with the two speed components V2 ', V2 "which means that a piece of wood 3 in each sublayer 20: 1-20 moves both forward in the transport direction and laterally against a respective stop 29, 10F.
    The velocity component V2 'in the conveying direction is so selected in relation to the speed V2 conveyor speed V2 that a single piece of timber 2 does not move relative to the end smoothing conveyor 4 in the conveying direction, but remains in its position in the forward direction of movement while the piece of timber is lifted by the rollers 36. that each individual piece of wood in a sublayer 20: 1-20 performs movement in its longitudinal direction, ie laterally, across the transport direction towards a respective stop 29, 10 F. The number of pieces of wood 3 in each subset 20: 1-20 is determined in advance and is set mainly depending on the width B2 of the timber pieces and the maximum width B1 of the timber package of stacked layers to be formed.For a better understanding it can be mentioned as an example that if for example timber pieces with width B2 = 75 mm are to be distributed on a maximum package width B1 of 1500 mm, the pieces of wood from an original assembled layer 20 are suitably divided into six parts quantities 20: 1-20: 6 with three pieces of wood 3 in each subset so that together with a seventh subset 20: 7 in the form of a residual set with only two pieces of wood 3 together they will fill in the predetermined package width B1. The return conveyor 16 which is found at the end of the end leveling conveyor 4, and which operates at a lower speed V3 in relation to the speed V2 of the end leveling conveyor 4, has the task of braking up the individual pieces of wood 2 in the sublayers 20: 1-20: , one by one, lifts the pieces of wood to the layer transfer conveyor 6.
    Due to this deceleration or deceleration to the speed V3, the gaps 21 between adjacent pieces of wood 3 decrease so that it is initially re-formed after the end leveling step. Alternatively, the speed V3 of the return conveyor 16 is adjusted so that the layer-building conveyor 2 formed by the layer-building conveyor 2 is proportional to the speed V2 of the end-level conveyor 4, so that upon transfer a gap 21 'is formed between adjacent timber pieces 3 which are adapted that the width of the resulting regenerated layer exactly corresponds to the predetermined package width B1.
    The layer transfer conveyor 6 is with its transport plane X7, ie. with the supporting part of the belts 10G upper timber pieces, arranged at substantially the same level as the transport plane X2 of the layer construction conveyor 2. The layer transfer device 5 is its two forks or fingers 50, resp. 51 is designed to lift a reshaped timber layer 20 from the layer transfer conveyor 6 for immersing the timber layer on laid struts to a building package of timber generally designated 55 and supported by the elevator device 7 comprising a raised and lowered table. A position sensor senses when a timber layer 20 is ready to be placed on the stack, whereby the depositing mechanism of the layer transfer device is activated. The function of this layer transfer device 5, which has its fingers 50, 51 slidably arranged along their respective guide rails rotatably arranged, is well known and will therefore not be described in more detail. Straw 60 is placed between the timber layers in the package formed on the elevator device 7 by being placed on the upper timber layer 20 in the elevator device by means of a spreading device 61 before the laying fingers 50, 51 transfer another timber layer 20.
    The present invention is not limited to what is described above and that shown in the drawings, but can be changed and modified in a number of different ways within the scope of the inventive concept stated in the appended claims.
    O: leg besk 111003 111115 besk.docx
    权利要求:
    Claims (1)
    [1]
    A method for forming timber packages in which timber pieces (3), on endless conveying means (10A, 10B, 10F) in the form of chains or belts, are transported perpendicular to their longitudinal direction, wherein in a number of successive steps, pieces of wood are leveled by displacing in their longitudinal direction against abutments (37, 38), and which pieces of wood formed into layers (20) with a width corresponding to the predetermined package width (B1) are built up into a package by stacking the layers on each other, "possibly during the interposition of straws (60), characterized in that the method comprises the steps of the following operations; that in a first step the pieces of wood (3) are formed to form a single layer (20) where the number (n) of pieces of wood in the layer is controlled with information on the predetermined package width (B1). in a second step the pieces of wood in the assembled layer (20) are separated from each other by a gap (21) with a predetermined width (b) being formed between adjacent pieces of wood in the layer (20), - in a third step the the separated layer (20) is divided into a number (n) of predetermined sublayers (20: 1-20: n), each such sublayer comprising a predetermined number of pieces of wood (n '), - that in a fourth step the number ( n ') pieces of wood that are part of a sublayer (20: 1-20: n) are evenly uniformed within the sublayer by being displaced in the same direction in their longitudinal direction, - that in a fifth step the respective sublayers (20: 1-20: n) each comprising a number of (n ') pieces of wood (3) are brought together so that the pieces of wood return to form a single layer (20) - that in a sixth step, thus re-formed layers (20) with collected pieces of wood are stacked on top of each other, possibly during spreading (60, to form a wood package. A method according to claim 1, wherein the number of wood pieces the yoke (n ') in each formed sublayer (20: 1- 20: n) in the third step is controlled by indicating the width (B2) of a piece of wood (3) in each layer and the predetermined package width (B1). A method according to any one of claims 1-2, wherein during the joining in the fifth step a gap (21 ') is formed between adjacent pieces of wood (3) in the layer, this gap being adapted in such a way that the resulting reshaped layer obtains a width corresponding to the predetermine the package width (B1). A method according to any one of claims 1 to 3, wherein pieces of wood (3) in the layer (20) are separated from each other by each piece of wood in the layer. momentarily a speed increase is assigned where a front piece of timber (3) is accelerated from an immediately behind piece of timber in the layer. A method according to any one of claims 1 - 4, wherein the groups of sublayers (20: 1-20: n), each with a number (n ') of pieces of wood (3) are brought together in the fifth step by assigning a speed reduction where a front piece of wood ( 3) braked up in - in relation to a piece of timber behind. . Device for forming timber packages of timber pieces (3) comprising an feed conveyor (1) which feeds timber pieces perpendicular to their longitudinal direction, a layer-building conveyor (2) for assembling the fed timber in a layer (20) or a group having a width corresponding to one in predetermined package width (B1), an end leveling conveyor (4) on which the pieces of timber are length-adjusted by displacing in contact with rotating rollers (36) in their longitudinal direction towards end stops (37, 38), a transfer device (5) for transferring built-up layers (20) to a height-adjustable stacking table (7) on which end-leveled layers are stacked on top of each other, possibly during spacing of straws (60), characterized in that the feed conveyor (1) and the layer-building conveyor (2) are located in front of the end-leveling conveyor (4) in the transport direction. ) and that the layer-building conveyor operates at a first predetermined speed (V1), which device further comprises; an ejector conveyor (15) which, operating at a predetermined second speed (V2) and arranged before the end-level conveyor (4), is arranged to accelerate each preceding piece of timber (3) in a layer (20) so that a gap (21) or gap with a predetermined width (b) is formed between adjacent pieces of timber (3) in the layer, an end leveling conveyor (4) comprising an endless running conveyor means (10E) with alternating low and high timber supporting portions (44, 45), the projection conveyor (15) being arranged by dividing, by cooperation with the end-level conveyor (4), a single layer (20) produced by the layer-building conveyor (2) into a number (n) of predetermined sub-layers (20: 1-.20), each of which comprises a predetermined number (n ') pieces of wood (3) where the number (n') of pieces of wood included in each sublayer (20: 1-20: n) is evenly distributed by the sublayers being alternately distributed resting on a low and high timber-bearing portion of the end leveling tree, respectively. the conveyor, a return conveyor (16) set up after the end-level conveyor (4) is arranged to brake up each front O: leg besk 111003 111115 besk.docx 10 15 20 25 30 10. 11. 12. 11 piece of wood (3) in the layer so that in the divided layer (20) it returns to form an assembled layer (20) which can be stacked by means of the transfer device (5) to form part of a timber package. Device according to claim 6, wherein the speed (V2) of the projection conveyor (15) is controlled in relation to the speed (V1) of the layer construction conveyor (2) with information on the predetermined package width (B1), the wood width (B2) and the number of wood pieces (n) in each layer. Device according to any one of claims 6 - 7, wherein the ejector conveyor (15) and the end leveling conveyor (4) are synchronized to operate at the same speed (V2) when handing over the timber pieces (3) mutually separated by a gap (21) of a layer (20 ) on the timber-carrying parts of the leveling conveyor (34, 35). Device according to one of Claims 6 to 8, in which the speed (V3) of the return conveyor (16) is regulated in relation to the speed (V2) of the end leveling conveyor (4), so that a gap (21) is formed between adjacent timber pieces (3) during the re-formation into a single layer. ') which is so adapted that the width of the resulting regenerated layer corresponds to the predetermined package width (B1). Device according to one of Claims 6 to 9, in which the transport plane (X3) of the end leveling conveyor (4) is located at a level equal to or lower than the transport plane (X5) of the projection conveyor (15). Device according to one of Claims 6 to 10, in which the end leveling device (4) comprises roller conveyors (35, 40) with driven rollers (36) which are inclined towards the direction of transport and at an oblique angle (A). Timber packages formed by a method of the type set out in claim 1, and having layers (20) of stacked pieces of wood (3) with intermediate strands (60) where pieces of wood in each layer are uniformly drawn in different directions in pairs of two or even more pieces of wood. 0: leg besk 111003 111115 besk.docx
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    SE1151087A|SE536249C2|2011-11-15|2011-11-15|Method and apparatus for forming wood parcels|SE1151087A| SE536249C2|2011-11-15|2011-11-15|Method and apparatus for forming wood parcels|
    PCT/SE2012/051207| WO2013074019A1|2011-11-15|2012-11-07|Method and arrangement for forming stacks of timber|
    EP12850650.8A| EP2780265B1|2011-11-15|2012-11-07|Method and arrangement for forming stacks of timber, and stack obtained through said method|
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