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WO2018178846A1 - Appareil de fabrication de panneaux de contreplaqué - Google Patents

Appareil de fabrication de panneaux de contreplaqué Download PDF

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Publication number
WO2018178846A1
WO2018178846A1 PCT/IB2018/052042 IB2018052042W WO2018178846A1 WO 2018178846 A1 WO2018178846 A1 WO 2018178846A1 IB 2018052042 W IB2018052042 W IB 2018052042W WO 2018178846 A1 WO2018178846 A1 WO 2018178846A1
Authority
WO
WIPO (PCT)
Prior art keywords
sheet
station
transport line
transport
double
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/IB2018/052042
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English (en)
Inventor
Giorgio LOTTERI
Lorenzo BOLZONI
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Angelo Cremona SpA
Original Assignee
Angelo Cremona SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Angelo Cremona SpA filed Critical Angelo Cremona SpA
Publication of WO2018178846A1 publication Critical patent/WO2018178846A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27D—WORKING VENEER OR PLYWOOD
    • B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
    • B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets

Definitions

  • the present invention relates to an apparatus for making plywood panels.
  • Plywood panels are semi-finished products comprising multiple dry peeled sheets of wood that are glued together and hot pressed.
  • a part of these sheets is then coated with glue which, during the pressing step, as a result of the heat and of the pressure, reacts polymerising and hardening, thus joining together the various sheets that comprise the plywood panel.
  • the wood sheets can have a development of the fibres that is substantially parallel to the long side of the sheet itself, or a development of the fibres that is substantially orthogonal to the long side of the sheet itself.
  • the various sheets are mutually superposed and generally arranged with the fibres alternated by 90° so that the mechanical characteristics of the panel are homogeneous in all directions .
  • this panel is generally defined, as a whole, as a "longitudinal panel”. If the fibres of the wood of the upper face are parallel to the short side of the panel, it is defined as a "crosswise panel”.
  • the processes for manufacturing plywood panels currently in use entail superposing a plurality of individual sheets alternating a sheet without glue to a sheet coated with glue on both its faces.
  • spreading machines are used which distribute glue homogeneously, according to adjustable quantities, on both the faces of a sheet.
  • the manufacture of a plywood panel entails arranging a first sheet, called “back” because it will constitute the lower part of the panel, not coated with glue and then superposing, in sequence, a second sheet, called “crossband”, coated with glue on both faces, and a third sheet, called “core”, without any glue.
  • the number of sheets, like the thickness of each sheet, is variable according to the thickness of the plywood panel to be manufactured.
  • the number of sheets that are used is always odd because the first sheet of veneer lacks glue, the second one will have glue on both faces, the third one will have no glue, the fourth one will have glue above and below, while the last one will be without glue.
  • the apparatuses that carry out these operations are called plywood making machines and they comprise a spreader machine that spreads glue on the opposite faces of the "crossband” sheets and conveyor belts that convey the "crossband” sheets, the "back”, “core” and “face” sheets in suitable stations where the various sheets are picked up and superposed in sequence, as described previously.
  • Personnel assigned to these apparatuses can be in a variable number, generally between three and eight, depending on the operations they have to perform and the degree of automation provided by the apparatus.
  • Another drawback of these known apparatuses consists of the fact that the number of sheets that can be assembled to obtain the plywood is always odd and always greater than or equal to three.
  • the main purpose of the present invention is to provide an apparatus for making plywood panels that overcomes the limits of the prior art.
  • Another purpose of the present invention is to provide an apparatus for making plywood panels that allows to make different types of plywood panels, without limitations on the number of usable sheets and without limitations on the succession of the related layers to be superposed.
  • a further purpose of the present invention is to provide an apparatus for making plywood panels that requires minimal intervention on the operators' part.
  • Yet another purpose of the present invention is to provide an apparatus for making plywood panels that assures high cleanliness standards.
  • An additional purpose of the present invention is to provide a particularly simple and functional apparatus, with low costs.
  • Another purpose of the invention is to provide an apparatus that is able to give the amplest assurance of reliability and safety in use.
  • figure 1 is a plan top view of an embodiment of an apparatus for making plywood panels, according to the invention.
  • FIGS. 2, 3 and 4 are side elevation views of the doubling station of the apparatus of figure 1, according to the invention, illustrated in three successive utilisation steps;
  • FIGS. 2a, 3a and 4a illustrate enlarged details respectively of figures 2, 3 and 4;
  • FIGS. 5, 6, 7 and 8 are front elevation views of the composing station of the apparatus of figure 1, according to the invention, illustrated in four successive utilisation steps;
  • FIGS 9 to 14 schematically show six different examples of plywood panels that can be made with the apparatus according to the invention.
  • the apparatus for making plywood panels comprises:
  • a first coating station 3 for coating a first sheetlike element 30, comprising a first coater 32 configured to coat a single face of the first sheet ⁇ like element 30 with an adhesive substance;
  • a second coating station 5 for coating a second sheet-like element 50 comprising a second coater 52 configured to coat a single face of the second sheet ⁇ like element 50 with an adhesive substance;
  • a doubling station 7 configured to stack said first sheet-like element 30 on the second sheet-like element 50 in order to form a double sheet element 70;
  • a composing station 9 distinct from the doubling station 7, configured to receive one or more of said double sheet elements 70 and/or to stack a plurality of said double sheet elements 70.
  • the composing station 9 is configured to receive double sheet elements 70 exiting the doubling station 7 and therefore to operate on said double sheet elements 70.
  • the operation of forming the double sheet element 70 in the doubling station 7 can be carried out concurrently with the operations of receiving one or more double sheet elements 70 and/or of stacking a plurality of double sheet elements 70.
  • the apparatus 1 also comprises a station for pressing and baking the double sheet elements 70 drawn from the composing station 9, not shown in the accompanying figures, in which station the plywood panel is formed.
  • the first coating station 3 comprises first pick-up means 34 for picking up the first sheet-like element 30 and a first viewing system configured to detect the position of the first sheet ⁇ like element 30.
  • Said first pick-up means 34 are adapted to align a first edge 31 of the first sheet ⁇ like element 30 with respect to a first transport direction 36 based on the position of the first sheet- like element 30 detected by the first viewing system.
  • the second coating station 5 comprises second pick-up means 54 for picking up the second sheet-like element 50 and a second viewing system configured to detect the position of the second sheet-like element 50.
  • Said second pick-up means 54 are adapted to align a first edge 51 of the second sheet ⁇ like element 50 with respect to a second transport direction 56, orthogonal to the first transport direction 36, based on the position of the second sheet-like element 50 detected by the second viewing system.
  • the present invention also relates to a coating station 3, 5, in particular for an apparatus for making plywood panels 1, comprising:
  • a viewing system configured to detect the position of the sheet-like element 30, 50, where the pick-up means 34, 54 are adapted to align an edge 31, 51 of the sheet-like element 30, 50 with respect to a transport direction 36, 56 of the sheet-like element 30, 50 based on the position of the sheet-like element detected by the viewing system;
  • a coater 32, 52 configured to coat a single face of the sheet-like element 30, 50 with an adhesive substance .
  • the viewing system is mounted aboard the pick-up means 34, 54 for picking up the sheet-like element 30, 50.
  • the viewing system can already operate during the pick-up and the displacement of the sheet-like elements 30, 50.
  • the coater 32, 52 is configured to coat only the upper face of the sheet-like element 30, 50 with an adhesive substance.
  • the pick-up means 34, 54 for picking up the sheet-like elements 30, 50 comprise a robot arm 35, 55 provided, at its own end, with a set of suction cups 37, 57 configured to pick-up the sheet ⁇ like element 30, 50.
  • the viewing system comprises a video camera fixed to the robot arm 35, 55, or a video camera situated in a fixed position with respect to the coating station 3, 5.
  • the pick-up means 34, 54 comprise an industrial robot, for example of the type of the manipulator robots and/or of the multi-axis robots.
  • the first coating station 3 and/or the second coating station 5 advantageously comprise at least one loading station 13 where the sheet-like elements 30, 50 are stored.
  • a plurality of loading stations 13 may be present, in order to load sheet-like elements 30, 50 of different quality and/or type and in such a way as to avoid idling the plant if the pack of sheet-like elements 30, 50 present on the platform of the loading station 13 is exhausted .
  • the doubling station 7 comprises a first transport line 72 able to transport the first sheet-like element 30 and a second transport line 74 adapted to transport the second sheet-like element 50.
  • the second transport line 74 is positioned at a greater height than the first transport line 72.
  • To the second transport line 74 are associated support means 76 for supporting the second sheet-like element 50.
  • the support means 76 are slidably extractable cantilevered with respect to the second transport line 74. In a fully extracted configuration, said support means 76 substantially completely surmount the first transport line 72.
  • the first transport line 72 can comprise, downstream of the first coater 32, a plurality of modular conveyors in line, indicated, in figure 1, with the reference numerals 72a and 72b.
  • said first transport line 72 continues in line with an additional modular conveyor 72c positioned upstream of the first coater 32, at the first coating station 3.
  • the second transport line 74 can comprise a plurality of modular conveyors in line.
  • the second transport line 74 comprises a modular conveyor 75 downstream of the second coater 52, and continues in line with an additional modular conveyor 74c positioned upstream of the second coater 52, at the second coating station 5.
  • the first pick-up means 34 of the first coating station 3 pick-up the first sheet-like element 30 from the respective loading station 13 and place it on the conveyor 72c, upstream of the coater 32, so that its edge 31 is aligned to the first transport direction 36.
  • the second pick-up means 54 of the second coating station 5 pick-up the second sheet-like element 50 from the respective loading station 13 and place it on the conveyor 74c, upstream of the coater 52, so that its edge 51 is aligned to the second transport direction 56.
  • the second transport line 74 has at least one terminal segment defined by the conveyor 75, preferably of the belt type 75.
  • the support means 76 advantageously comprise a fork 77, for example comprising a plurality of round pipes.
  • the support means 76 are extracted, as shown in figure 3, synchronously with the movement of the belt conveyor 75, so that the second sheet-like element 50 lies down on the support means 76 and, in the fully extracted configuration of the support means, the second sheet-like element 50 is positioned vertically above and at the first sheet-like element 30 which in the meantime has reached, along the first transport line 72, the doubling station 7.
  • the doubling station 7 advantageously comprises a third viewing system, configured to detect the position of the first sheet-like element 30 and the position of the second sheet-like element 50.
  • the first transport line 72 can be actuated to move said first sheet-like element 30 along the first transport direction 36 on the basis of the position of the second sheet-like element 50 detected by the third viewing system so that a second edge 33 of the first sheet-like element 30, orthogonal to the first edge 31, is aligned to the first edge 51 of the second sheet-like element 50.
  • the third viewing system comprises a video camera positioned substantially above the belt segment 75 of the second transport line 74 adapted to detect the position of the second sheet-like element 50, and in particular the position of its first edge 51, and a photocell positioned at the entry of the doubling station 7 at the first transport line 72, and preferably positioned at the entry of the modular conveyor 72a, adapted to detect the position of the first sheet-like element 30, and in particular of its transverse edge 33.
  • the movement of the modular conveyor 72a can be managed through a position transducer whereby the position of the first sheet-like element 30 can be managed.
  • the support means 76 return between the belts of the belt conveyor 75 and a stop rack 78 intervenes to block the second sheet-like element 50, preventing it from following the fork 77 in the return movement, making the second sheet-like element 50 fall and lie down on the first sheet-like element 30.
  • the first transport direction 36 is an imaginary work line that coincides with the stop line defined by the stop rack 78. Therefore, in the first coating station 3, the first sheet-like element 30 is picked up by the robot arm 35 and deposited on the modular conveyor 72c already with its own longitudinal edge 31 coinciding with the aforesaid imaginary work line, as a result of the feedback provided by the video camera present in the coating station 3.
  • the second transport direction 56 is an imaginary work line that is selected a priori according to the dimensions of the sheet-like elements 30, 50.
  • the video camera detects the position of the second sheet-like element 50 and the robot arm 55 positions it on the conveyor 74c so that its transverse edge 51 coincides with said imaginary work line.
  • the composing station 9 comprises a third transport line 92 adapted to transport the double sheet element 70.
  • the third transport line 92 is positioned at a greater height than a resting plane 94 for the double sheet elements 70.
  • To the third transport line 92 are associated support means 96 for supporting the double sheet-like element 70.
  • the support means 96 are slidably extractable cantilevered with respect to the third transport line 92. In a fully extracted configuration, the support means 96 surmount the resting plane 94.
  • the third transport line 92 can comprise a plurality of modular conveyors 92a in line.
  • the movement of extraction of the support means 96 can be synchronised with the transport movement of the third transport line 92 so that the double sheet element 70 is laid on said support means 96 until the completely extracted configuration of the support means 96.
  • the double sheet element 70 is positioned vertically above the resting plane 94 where other double sheet elements 70 may already be positioned, having previously reached the composing station 9.
  • the double sheet element 70 can be held by one or more operators, which prevent the double sheet element 70 from following the support means 96 in their return motion and allow to lay the double sheet element 70 on the resting plane 94, or on other double sheet elements 70 already present on the resting plane 94.
  • the double sheet element 70 can be held in position, during the return motion of the support means 96, by a stop rack like the one described and illustrated with reference to the doubling station 7.
  • the support means 96 can comprise an extractable fork like the one described with reference to the doubling station 7, or like an extractable table.
  • the apparatus 1 advantageously comprises a finishing station 11 configured to stack a sheet-like finishing element 110 on the double sheet element 70, or on the double sheet elements 70, that exit from the composing station 9.
  • the sheet-like finishing element 110 can be a sheet-like element of the type of the first sheet-like element 30 or of the type of the second sheet-like element 50, or a sheet-like element having particular aesthetic and qualitative features.
  • the finishing station 11 can comprise pick-up means 111 for picking up the sheet ⁇ like finishing element 110, preferably comprising a robot arm 112 and a set of suction cups 113, and a viewing system configured to align the sheet-like finishing element 110 with respect to the double sheet element 70.
  • the pick-up means 111 comprise an industrial robot, for example of the type of the manipulator robots and/or of the multi-axis robots.
  • the first transport line 72, and/or the third transport line 92 can comprise at least a conveyor belt at least partially provided with a plurality of holes and a suction system adapted to ensure that the first sheet-like element 30 and/or the double sheet element 70 adhere to said conveyor belt.
  • the second transport line 74 can comprise at least a conveyor belt at least partially provided with a plurality of holes and a suction system adapted to ensure that the second sheet ⁇ like element 50 adheres to said conveyor belt.
  • the first sheet-like element 30 is a sheet having fibres extending lengthwise and the second sheet-like element 50 is a sheet having fibres extending cross-wise.
  • the first coater 32 and/or the second coater 52 comprise at least a coating roller configured to apply a homogeneous layer of the adhesive substance only on the top surface of the first sheet ⁇ like element 30 and/or of the second sheet-like element 50.
  • the at least one coating roller has a rotation axis substantially orthogonal to the extension direction of the fibres of the first sheet ⁇ like element 30 and/or of the second sheet-like element 50.
  • the coaters 32, 52 are configured to apply a quantity of adhesive substance substantially in the range between 70 and 300 grams per square metre.
  • the coaters 32, 52 are adapted to apply different types of adhesive substances, such as glues of the urea or phenol type, on sheet-like elements of different formats.
  • a first sheet-like element 30, with fibres extending lengthwise, is picked up from the platform of the loading station 13, deposited on the conveyor 72c and made to pass through the coater 32, which applies a layer of adhesive substance only on the upper face of the sheet-like element 30.
  • the sheet-like element 30 has its own longitudinal edge 31 aligned with the longitudinal transport direction 36.
  • Said sheet-like element 30 will constitute the back of the plywood panel.
  • the presence of the suction system assures that the sheet-like element 30 remains adhering to the upper surface of the modular conveyors 72a, 72b and 72c, and hence maintains alignment to the longitudinal transport direction 36.
  • the sheet-like element 30 that reaches the doubling station 7 therefore only has its upper face coated with an adhesive substance, while the lower face is dry.
  • the second sheet-like element 50 is picked up by the pick-up means 54 and deposited on the conveyor 74c with its own transverse edge 51 aligned to the orthogonal transport direction 56.
  • the longitudinal transport direction 36 and the orthogonal transport direction 56 intersect at the doubling station 7 where they define a right angle that represents the reference for the stacking of the sheet ⁇ like elements 30, 50 that constitute the double sheet element 70.
  • the second sheet-like element 50 passes through the second coater 52, where a layer of adhesive substance is applied only on the upper face of the sheet-like element 50.
  • the support means 76 exit cantilevered, synchronously with the movement of the second sheet ⁇ like element 50.
  • the second sheet-like element 50 is laid down on said support means 76, and it is positioned above and at the first sheet-like element 30 that has already reached the doubling station 7.
  • the first transport line 72 and in particular the conveyor 72a, is then made to advance and/or move back according to the position of the first sheet-like element 30 with respect to the orthogonal transport direction 56 until the transverse edge 33 of the first sheet-like element 30 is aligned vertically with the transverse edge 51 of the second sheet-like element 50.
  • the video camera of the third viewing system detects the position of the transverse edge 51 of the second sheet-like element 50 on the forks 77 and the modular conveyor 72a will be moved forwards and backwards, by means of a position transducer, to align the transverse edge 33 of the first sheet-like element 30 with the transverse edge 51 of the second sheet-like element 50, on the basis of the position of the transverse edge 33 of the first sheet-like element 30 detected by the photocell positioned at the entry of the belt 72a.
  • the support means 76 are made to return, while the stop rack 78 holds the second sheet ⁇ like element 50 in position.
  • the second sheet-like element 50 falls, lying with its dry lower face on the upper face, coated with glue, of the first sheet-like element 30, thus making the double sheet element 70.
  • the double sheet element 70 is carried to the composing station 9.
  • the support means 96 project cantilevered to receive the double sheet element 70.
  • the holding of the double sheet element 70 manually by assigned operators, or mechanically by a stop rack, allows the double sheet element 70 to fall and be laid down on the resting plane 94.
  • the resting plane 94 can be defined by and/or comprise an additional conveyor 95 which, once the various double sheet elements 70 are stacked, carries said composition of stacked double sheet elements 70 to the finishing station 11.
  • a sheet ⁇ like finishing element 110 which will constitute the visible face of the plywood panel, is applied superiorly to the composition of double sheet elements 70.
  • the finishing station 11 comprises a conveyor 97, in line with the conveyor 95, adapted to move the composition of double sheet elements 70 before and/or after the sheet-like finishing element 110 is applied.
  • the coupling of the sheet-like finishing element 110 with the composition of double sheet elements 70 takes place on the conveyor 97 where a video camera detects the forward edge of the composition of double sheet elements 70.
  • the robot arm 112 then positions the sheet-like finishing element 110 on the composition of double sheet elements 70, so that the respective edges are aligned.
  • the example of operation of the apparatus 1 described above allows to obtain a plywood panel as shown schematically in figure 9, i.e. a so-called "longitudinal" panel comprising a plurality of double sheet elements 70 defined by pairs of longitudinal 30 and crosswise 50 sheet-like elements and a sheet-like finishing element 110, which can have a different appearance and quality from the other sheet-like elements 30, 50.
  • a so-called "longitudinal” panel comprising a plurality of double sheet elements 70 defined by pairs of longitudinal 30 and crosswise 50 sheet-like elements and a sheet-like finishing element 110, which can have a different appearance and quality from the other sheet-like elements 30, 50.
  • a crosswise sheet-like element 50 coated with glue on its upper surface by the coater 52, is carried to the composing station 9 without being preliminarily coupled with longitudinal sheet-like elements 30.
  • On said crosswise sheet-like element 50 is then stacked a double sheet element 70, and hence a longitudinal sheet-like element 30 not associated with any crosswise sheet-like element 50.
  • the panel is then finished with the application of the sheet-like finishing element 110.
  • the apparatus 1, activating only one of the two coating stations 30, 50 also allows to make plywood panels consisting only of crosswise sheet-like elements 50, as shown in figure 13, or consisting only of longitudinal sheet-like elements 30, as shown in figure 14.
  • the apparatus 1 also allows to make plywood panels consisting of only two sheet-like elements and, specifically, of a longitudinal or crosswise sheet-like element and of a sheet-like finishing element.
  • the apparatus for making plywood panels performs its task and achieves the set purposes because it allows to make plywood panels without any limitations on the number and on the type of wood sheets usable to make the panel.
  • the apparatus for making plywood panels of the present invention has the advantage of assuring a perfect stacking and a perfect gluing of the wood sheets .
  • Yet another advantage of the apparatus consists of the fact that the coating of only the upper face of the sheets avoids fouling the transport systems and therefore avoids costly cleaning cycles of the apparatus itself.
  • Another advantage of the apparatus consists of the fact that it assures a significant automation of the steps for making the plywood panels, consequently reducing the number of operators assigned and the costs of the personnel.
  • An additional advantage of the apparatus, according to the invention consists of the fact that it is not subject to frequent idle times of the plant because of the exhaustion of the sheets, because the sheets can be picked up from various loading stations positioned at the coating stations.
  • Yet another advantage relates to the fact that the apparatus according to the invention allows to halve the time required to make the plywood panels, as a result of the fact that the operations for forming the double sheet element, carried out in the doubling station, can be carried out simultaneously with the operations for stacking the various double sheet elements, carried out in the distinct composing station .
  • Still another advantage relates to the fact that said coating station is in itself autonomous and complete and as such easy to integrate in a multi-station apparatus for the composition of plywood panels like the one of the present invention.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Veneer Processing And Manufacture Of Plywood (AREA)

Abstract

La présente invention concerne un appareil de fabrication de panneaux de contreplaqué (1) comprenant : une première station de revêtement (3) pour revêtir un premier élément de type feuille (30), comprenant une première coucheuse (32) conçue pour revêtir une seule face dudit premier élément de type feuille (30) avec une substance adhésive ; - une seconde station de revêtement (5) pour revêtir un second élément de type feuille (50), comprenant une seconde coucheuse (52) conçue pour revêtir une seule face dudit second élément de type feuille (50) avec une substance adhésive ; - une station de doublage (7) conçue pour empiler ledit premier élément de type feuille (30) sur ledit second élément de type feuille (50) afin de former un double élément en feuille (70) ; - une station de composition (9), distincte de la station de doublage (7) conçue pour recevoir un ou plusieurs desdits doubles éléments de feuille (70) et/ou pour empiler une pluralité desdits doubles éléments de feuille (70).
PCT/IB2018/052042 2017-03-28 2018-03-26 Appareil de fabrication de panneaux de contreplaqué Ceased WO2018178846A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102017000034071A IT201700034071A1 (it) 2017-03-28 2017-03-28 Apparato per la realizzazione di pannelli di compensato in legno.
IT102017000034071 2017-03-28

Publications (1)

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WO2018178846A1 true WO2018178846A1 (fr) 2018-10-04

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Cited By (5)

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Publication number Priority date Publication date Assignee Title
CN110181619A (zh) * 2019-06-18 2019-08-30 廖述新 胶合板自动排板组坯生产线
CN112093472A (zh) * 2020-09-10 2020-12-18 漳州鑫华成机械制造有限公司 一种连续自动排板线
CN112224791A (zh) * 2020-11-02 2021-01-15 爱丽家居科技股份有限公司 一种自动化地板花色无重复性的组合设备
US20220161454A1 (en) * 2020-11-20 2022-05-26 Boise Cascade Company Method and system for layered wood product production
US12377551B1 (en) 2021-04-14 2025-08-05 Boise Cascade Company Method and system for veneer sheet portion stacking and unstacking

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US20110057384A1 (en) * 2009-09-09 2011-03-10 Raute Oyj Method for the optimal alignment of veneer sheets at a lay-up station
WO2016040227A1 (fr) * 2014-09-08 2016-03-17 Georgia-Pacific Wood Products Llc Dispositif de distribution de placage pour plis intérieurs automatisé et couche pour la fabrication de contreplaqué
US20160347558A1 (en) * 2015-05-28 2016-12-01 Kabushiki Kaisha Toshiba Article handling apparatus and method of operating the same

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US1870041A (en) * 1931-05-21 1932-08-02 Laucks I F Inc Method and apparatus for the formation of plywood and the like
US3367823A (en) * 1963-08-05 1968-02-06 Simpson Timber Co Automatic plywood layup apparatus and method
US3690979A (en) * 1969-11-18 1972-09-12 Simpson Timber Co Method of laying up plywood panels
US3795560A (en) * 1970-07-25 1974-03-05 Honen Seiju Kk Method for making plywood
US3725183A (en) * 1971-03-29 1973-04-03 Weyerhaeuser Co Automatic plywood layup machine
DE3446735A1 (de) * 1984-12-21 1986-06-26 Babcock-BSH AG vormals Büttner-Schilde-Haas AG, 4150 Krefeld Transport- und abstapelvorrichtung fuer blattfoermige gueter, insbesondere fuer furnierblaetter
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US20160347558A1 (en) * 2015-05-28 2016-12-01 Kabushiki Kaisha Toshiba Article handling apparatus and method of operating the same

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CN110181619A (zh) * 2019-06-18 2019-08-30 廖述新 胶合板自动排板组坯生产线
CN110181619B (zh) * 2019-06-18 2024-04-02 廖述新 胶合板自动排板组坯生产线
CN112093472A (zh) * 2020-09-10 2020-12-18 漳州鑫华成机械制造有限公司 一种连续自动排板线
CN112093472B (zh) * 2020-09-10 2021-12-07 漳州鑫华成机械制造有限公司 一种连续自动排板线
CN112224791A (zh) * 2020-11-02 2021-01-15 爱丽家居科技股份有限公司 一种自动化地板花色无重复性的组合设备
US20220161454A1 (en) * 2020-11-20 2022-05-26 Boise Cascade Company Method and system for layered wood product production
US12214521B2 (en) * 2020-11-20 2025-02-04 Boise Cascade Company Method and system for layered wood product production
US12377551B1 (en) 2021-04-14 2025-08-05 Boise Cascade Company Method and system for veneer sheet portion stacking and unstacking

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