EP0055201B1 - Method and apparatus for assembling wood structures - Google Patents
Method and apparatus for assembling wood structures Download PDFInfo
- Publication number
- EP0055201B1 EP0055201B1 EP81440029A EP81440029A EP0055201B1 EP 0055201 B1 EP0055201 B1 EP 0055201B1 EP 81440029 A EP81440029 A EP 81440029A EP 81440029 A EP81440029 A EP 81440029A EP 0055201 B1 EP0055201 B1 EP 0055201B1
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- Prior art keywords
- assembled
- carriage
- endless
- structures
- wooden
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27F—DOVETAILED WORK; TENONS; SLOTTING MACHINES FOR WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES
- B27F7/00—Nailing or stapling; Nailed or stapled work
- B27F7/15—Machines for driving in nail- plates and spiked fittings
- B27F7/155—Machines for driving in nail- plates and spiked fittings for nail plates
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S100/00—Presses
- Y10S100/913—Truss presses
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49764—Method of mechanical manufacture with testing or indicating
- Y10T29/49778—Method of mechanical manufacture with testing or indicating with aligning, guiding, or instruction
- Y10T29/4978—Assisting assembly or disassembly
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/53087—Means to assemble or disassemble with signal, scale, illuminator, or optical viewer
- Y10T29/53091—Means to assemble or disassemble with signal, scale, illuminator, or optical viewer for work-holder for assembly or disassembly
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/5343—Means to drive self-piercing work part
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/53435—Means to assemble or disassemble including assembly pallet
Definitions
- the invention relates to a method and means for producing, from a side drawing, wooden elements assembled in the same plane, particularly intended for frames and industrialized buildings, this application not being limiting.
- An improvement of this technique consists in defining by calculation the length and the angles of each element to be assembled, as well as the coordinates of the junction points.
- the object of the invention is to eliminate the drawbacks of known systems and to propose a rational, precise, rapid and easy to implement manufacturing process.
- the invention also relates to a device for implementing this method.
- the method essentially consists in projecting an image on a mobile assembly table, in positioning this image in relation to a gridded network of references referenced on this table, in using this image to position parts for holding the elements to be assembled, to place the elements to be assembled on connectors to be pushed in, to cover these connector elements opposite to the connectors already positioned, to exert on the moving table a compression obtained using a flat surface opposite to that of the table and gradually approaching it during advancement, to evacuate and automatically stack the assembled structures.
- the device for implementing this method comprises a movable assembly table, a projector moving along this table and perpendicular to it, a progressive compression press consisting of two trains of endless motorized rollers and d '' an endless metal belt, a stacking machine with a side carriage and lifting arms.
- the grid network and referenced on a natural scale is reproduced on a smaller scale on a transparent plane juxtaposed on the overall plane defining the structure to be produced.
- the measurement of the abscissa and the ordinate of the junction point of the node relative to the four reference points will preferably be determined by calculation.
- a drawing is made, preferably entering a frame forming A4, by choosing to do this a reduction scale, for example 1 of 3, as close as possible to the natural scale, so that the accuracy of the drawing is as high as possible.
- the enlarged image of the drawing will then be projected on a natural scale using a projector, for example an overhead projector using a Fresnel lens, with optimum image precision.
- a projector for example an overhead projector using a Fresnel lens
- the projection of the image will be perpendicular to the surface of the table to avoid distortions, and we will act on the focal length of the projector to obtain the desired magnification scale.
- This mobile projector above the table will be moved on a plane parallel to the plane of this table, and the operator will make the four reference corners of the projected drawing coincide with the four points bearing the same reference of the table.
- the table will preferably be provided with tapped holes at each referenced junction point, these holes being used for fixing positioning pieces of the elements to be assembled.
- the movable table is introduced between two endless roller trains, one lower, the other upper, the latter being surrounded by an endless metal mat.
- This metallic belt circulates via the train of rollers on a surface inclined from front to rear, so as to obtain a regular compression between two surfaces.
- the structure is released automatically as the table advances with the aid of a shutter incorporated therein, and driven on a train of rollers.
- This train of rollers comprises lifting arms which, articulated on a lateral carriage, transport the structures and stack them in a vertical or inclined position next to each other, the movement of this carriage being controlled by two endless chains actuated by a Brake-gearmotor independent of this carriage.
- the assembly table (1) for example made of steel, runs on a train of rollers (2), actuated by a set of sprockets, chains, gearmotor (3).
- the elements to be assembled with the connectors are held in place by positioning pieces, fixed to the table (1) using tapped holes (4) with which the table is provided over its entire surface and at regular intervals, for example every 10 cm.
- a rigid frame (5) comprises several trains of rollers connected by links (6). These roller trains (6) are actuated by pinions (7) and (8) and run on a rigid table (9), for example made of steel.
- Roller trains (10) identical to the trains (6) are actuated by a gear train (11), these trains running on a rigid table (12) secured to a bed base (13) adjustable in height and orientable by the columns adjustment (14).
- the tilting table (12) is extended by curved surfaces (15) serving as tracks for the trains (10).
- a metal mat (16) formed of elements, of steel for example parallelepiped and articulated, connected together by cylindrical pins, covers the train of rollers (10).
- a train of rollers (17) is actuated by a device identical to the device (3) described.
- the inclination of the table (12) will determine the amplitude of the compression. For example, it could be of the order of 3 cm over a pressure length of 150 cm.
- FIG 2 there is shown a device using an overhead projector (19) moving in a horizontal plane above the assembly table (1).
- the gantry (20) moves on a rail (21) disposed on each side of the table (1) and comprises a carriage (22) for movement in the width direction of the table.
- This carriage (22) comprises a carriage (23) supporting the overhead projector (19), ensuring the displacement as a last approach thereof.
- the assembly is made, for example, of light profiles and the rollers are mounted on ball bearings, in order to obtain a manual and effortless positioning of the projector.
- the rails (21) are extended beyond the table, in order to move the gantry (20) outside the work area, when the work of positioning the nodes is carried out.
- the operator uses the marks (4) materialized on the table, and makes them correspond with the marks of the drawing (24) fixed on the working surface of the projector (19).
- the operator acts on the displacement rod (25) of the projector, and possibly on the adjustment lever (26) of the focal distance of the projector, this determining the scale of the image.
- the angle of return of the mirror (27) By acting on the angle of return of the mirror (27), one can correct a possible distortion of the image, which is easy to detect, when the reference points are not all juxtaposed very exactly.
- the operator can quickly pass from one node of the structure to another.
- Figure 3 is an exploded schematic perspective view showing the automatic stacking device of the assembled structures.
- the table (1) at the outlet of the driving machine (18), is driven by the train of rollers (17).
- the table having a forward speed of 1 m / sec. A digging operation of a structure will be carried out in less than 40 seconds.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Automatic Assembly (AREA)
Abstract
Description
L'invention concerne un procédé et des moyens pour réaliser, à partir d'un dessin côté, des éléments en bois assemblés dans un même plan, particulièrement destinés aux charpentes et bâtiments industrialisés, cette application n'étant pas limitative.The invention relates to a method and means for producing, from a side drawing, wooden elements assembled in the same plane, particularly intended for frames and industrialized buildings, this application not being limiting.
La technique la plus courante, utilisée jusqu'à présent, consiste à dessiner sur une surface ou table de traçage, en grandeur nature, la structure à assembler par tous moyens connus d'assemblage. Selon ce tracé, on réalise un modèle servant de gabarit pour la fabrication répétitive de cette structure.The most common technique, used up to now, consists in drawing on a surface or tracing table, in full size, the structure to be assembled by any known means of assembly. According to this layout, a model is made serving as a template for the repetitive manufacture of this structure.
Une amélioration de cette technique consiste à définir par calcul la longueur et les angles de chaque élément à assembler, ainsi que les coordonnées des points de jonction.An improvement of this technique consists in defining by calculation the length and the angles of each element to be assembled, as well as the coordinates of the junction points.
Lorsque l'on utilise pour l'assemblage des connecteurs métalliques, les moyens connus pour enfoncer ceux-ci dans le bois sont, soit des presses à plateaux, soit des presses à rouleaux, telles que décrties par exemple dans le brevet US-A 37 85 277.When using metal connectors for assembly, the known means for driving them into the wood are either plate presses or roller presses, as described for example in patent US-A 37 85,277.
D'autre part, on utilise pour faciliter la manutention des éléments une fois assemblés, des releveurs mécaniques, par exemple tels que décrits dans le brevet FR-A-2 453 007, ou hydrauliques.On the other hand, to facilitate handling of the elements once assembled, mechanical lifters, for example as described in patent FR-A-2 453 007, or hydraulic.
L'invention a pour but de supprimer les inconvénients des systèmes connus, de proposer un procédé de fabrication rationnel, précis, rapide et facile à mettre en oeuvre.The object of the invention is to eliminate the drawbacks of known systems and to propose a rational, precise, rapid and easy to implement manufacturing process.
L'invention a également pour objet un dispositif pour la mise en ceuvre de ce procédé.The invention also relates to a device for implementing this method.
Conformément à l'invention, le procédé consiste essentiellement à projeter une image sur une table d'assemblage mobile, à positionner cette image par rapport à un réseau quadrillé de repères référencés sur cette table, à utiliser cette image pour positionner des pièces de maintien des éléments à assembler, à placer les éléments à assembler sur des connecteurs à enfoncer, à recouvrir ces éléments de connecteur à l'opposé des connecteurs déjà positionnés, à exercer sur la table en déplacement une compression obtenue à l'aide d'une surface plane opposée à celle de la table et venant se rapprocher progressivement de celle-ci lors de l'avancement, à évacuer et à empiler automatiquement les structures assemblées.In accordance with the invention, the method essentially consists in projecting an image on a mobile assembly table, in positioning this image in relation to a gridded network of references referenced on this table, in using this image to position parts for holding the elements to be assembled, to place the elements to be assembled on connectors to be pushed in, to cover these connector elements opposite to the connectors already positioned, to exert on the moving table a compression obtained using a flat surface opposite to that of the table and gradually approaching it during advancement, to evacuate and automatically stack the assembled structures.
Le dispositif pour la mise en oeuvre de ce procédé comporte une table d'assemblage mobile, un projecteur se déplaçant le long de cette table et perpendiculairement à celle-ci, une presse à compression progressive constituée de deux trains de rouleaux sans fin motorisés et d'un tapis métallique sans fin, une machine à empiler comportant un chariot latéral et des bras de levage.The device for implementing this method comprises a movable assembly table, a projector moving along this table and perpendicular to it, a progressive compression press consisting of two trains of endless motorized rollers and d '' an endless metal belt, a stacking machine with a side carriage and lifting arms.
Le réseau quadrillé et référencé à l'échelle naturelle, est reproduit à une échelle moindre sur un plan transparent juxtaposable sur le plan d'ensemble définissant la structure à réaliser.The grid network and referenced on a natural scale, is reproduced on a smaller scale on a transparent plane juxtaposed on the overall plane defining the structure to be produced.
Ce procédé part du fait que seul le tracé des zones de jonction, communément appelées «noeds», est utile pour l'assemblage d'une structure.This process starts from the fact that only the tracing of the junction zones, commonly called "noeds", is useful for assembling a structure.
A l'aide du plan quadrillé et transparent, on choisira une zone carrée ou rectangulaire déterminée par quatre points référencés, dans laquelle se trouve un «noeud» que l'on souhaite reproduire sur la table de traçage.Using the grid and transparent plan, we will choose a square or rectangular area determined by four referenced points, in which there is a "knot" that we want to reproduce on the plotting table.
On déterminera de préférence par calcul la mesure de l'abcisse et de l'ordonnée du point de jonction du noeud par rapport aux quatre points de référence.The measurement of the abscissa and the ordinate of the junction point of the node relative to the four reference points will preferably be determined by calculation.
En partant du point de jonction, on réalise un dessin, rentrant de préférence dans un cadre de formant A4, en choisissant pour ce faire une échelle de réduction, par exemple 1 sur 3, en se rapprochant le plus possible de l'échelle naturelle, pour que la précision du dessin soit aussi grande que possible.Starting from the junction point, a drawing is made, preferably entering a frame forming A4, by choosing to do this a reduction scale, for example 1 of 3, as close as possible to the natural scale, so that the accuracy of the drawing is as high as possible.
Ce dessin établi, et indiquant avec précision les quatre points référencés, correspondant à ceux de la table de traçage, sera reproduit sur un support transparent, par exemple, à l'aide d'une photocopieuse, ou analogue.This established drawing, and indicating precisely the four points referenced, corresponding to those of the plotting table, will be reproduced on a transparent support, for example, using a photocopier, or the like.
L'image agrandie du dessin sera ensuite projetée à l'échelle naturelle à l'aide d'un projecteur, par exemple un rétro-projecteur utilisant une lentille de Fresnel, avec une précision optimum de l'image.The enlarged image of the drawing will then be projected on a natural scale using a projector, for example an overhead projector using a Fresnel lens, with optimum image precision.
La projection de l'image sera perpendiculaire à la surface de la table pour éviter les distorsions, et on agira sur la distance focale du projecteur pour obtenir l'échelle d'agrandissement souhaitée.The projection of the image will be perpendicular to the surface of the table to avoid distortions, and we will act on the focal length of the projector to obtain the desired magnification scale.
Ce projecteur mobile au-dessus de la table sera déplacé sur un plan parallèle au plan de cette table, et l'opérateur fera coïncider les quatre coins références du dessin projeté avec les quatre points portant la même référence de la table.This mobile projector above the table will be moved on a plane parallel to the plane of this table, and the operator will make the four reference corners of the projected drawing coincide with the four points bearing the same reference of the table.
Aussi bien la distorsion que l'agrandissement peuvent être corrigés et on obtiendra une grande exactitude de l'image projetée à l'échelle grandeur nature, lorsque les quatre références du dessin se juxtaposeront sur les quatre références correspondantes de la tabe.Both the distortion and the enlargement can be corrected and a great accuracy of the projected image will be obtained at full scale, when the four references of the drawing are juxtaposed on the four corresponding references of the tab.
La table sera de préférence munie de trous taraudés à chaque point de jonction référencé, ces trous servant à la fixation de pièces de positionnement des éléments à assembler.The table will preferably be provided with tapped holes at each referenced junction point, these holes being used for fixing positioning pieces of the elements to be assembled.
Après mise en place des éléments et des connecteurs à enfoncer, la table mobile est introduite entre deux trains de rouleaux sans fin, l'un inférieur, l'autre supérieur, ce dernier étant entouré d'un tapis métallique sans fin.After the elements and connectors have been inserted, the movable table is introduced between two endless roller trains, one lower, the other upper, the latter being surrounded by an endless metal mat.
Ce tapis métallique circule par l'intermédiaire du train de rouleaux sur une surface inclinée de l'avant vers l'arrière, de manière à obtenir une compression régulière entre deux surfaces.This metallic belt circulates via the train of rollers on a surface inclined from front to rear, so as to obtain a regular compression between two surfaces.
A la sortie de la presse, la structure est dégagée automatiquement au fur et à mesure de l'avancement de la table à l'aide d'un volet incorporé dans celle-ci, et conduite sur un train de rouleaux.At the exit of the press, the structure is released automatically as the table advances with the aid of a shutter incorporated therein, and driven on a train of rollers.
Ce train de rouleaux comporte des bras de levage qui, articulés sur un chariot latéral, transportent les structures et les empilent en position verticale ou inclinée les unes à côté des autres, le déplacement de ce chariot étant commandé par deux chaînes sans fin actionnées par un motoréducteur-frein indépendant de ce chariot.This train of rollers comprises lifting arms which, articulated on a lateral carriage, transport the structures and stack them in a vertical or inclined position next to each other, the movement of this carriage being controlled by two endless chains actuated by a Brake-gearmotor independent of this carriage.
L'invention sera bien comprise à l'aide du complément de description qui suit, ainsi que des dessins annexés, décrivant et illustrant l'un des modes préférentiels de réalisation de l'invention et ne comportant bien entendu aucun caractère limitatif. Dans ces dessins:
- la figure 1 est une vue en coupe schématique en perspective d'une machine selon l'un des modes préférentiels de mise en oeuvre du procédé;
- la figure 2 est une vue en perspective schématique d'un dispositif de projection, et la figure 3 est une vue schématique en perspective et en coupe éclatée d'un dispositif d'empilage.
- Figure 1 is a schematic perspective sectional view of a machine according to one of the preferred embodiments of the method;
- Figure 2 is a schematic perspective view of a projection device, and Figure 3 is a schematic perspective view in exploded section of a stacking device.
La table d'assemblage (1), par exemple en acier, circule sur un train de rouleaux (2), actionné par un ensemble de pignons, chaînes, motoréducteur (3). Les éléments à assembler avec les connecteurs sont maintenus par des pièces de positionnement, fixées sur la table (1 ) à l'aide de trous taraudés (4) dont est munie la table sur toute sa surface et à intervalles réguliers, par exemple tous les 10 cm. Un bâti rigide (5) comporte plusieurs trains de rouleaux reliés par des maillons (6). Ces trains de rouleaux (6) sont actionnés par des pignons (7) et (8) et circulent sur une table rigide (9), par exemple en acier. Des trains de rouleaux (10) identiques aux trains (6) sont actionnés par un train de pignons (11 ), ces trains circulant sur une table rigide (12) solidaire d'un sommier (13) réglable en hauteur et orientable grâce aux colonnes de réglage (14). La tabel (12), inclinable, est prolongée par des surfaces incurvées (15) servant de chemins de roulement aux trains (10). Un tapis métallique (16), formé d'éléments, en acier par exemple parallélépipédiques et articulés, reliés entre eux par des broches cylindriques, recouvre le train de rouleaux (10). Un train de rouleaux (17), analogue au train de rouleaux (2), est actionné par un dispositif identique au dispositif (3) décrit.The assembly table (1), for example made of steel, runs on a train of rollers (2), actuated by a set of sprockets, chains, gearmotor (3). The elements to be assembled with the connectors are held in place by positioning pieces, fixed to the table (1) using tapped holes (4) with which the table is provided over its entire surface and at regular intervals, for example every 10 cm. A rigid frame (5) comprises several trains of rollers connected by links (6). These roller trains (6) are actuated by pinions (7) and (8) and run on a rigid table (9), for example made of steel. Roller trains (10) identical to the trains (6) are actuated by a gear train (11), these trains running on a rigid table (12) secured to a bed base (13) adjustable in height and orientable by the columns adjustment (14). The tilting table (12) is extended by curved surfaces (15) serving as tracks for the trains (10). A metal mat (16), formed of elements, of steel for example parallelepiped and articulated, connected together by cylindrical pins, covers the train of rollers (10). A train of rollers (17), similar to the train of rollers (2), is actuated by a device identical to the device (3) described.
Le fonctionnement de la machine ainsi décrite est le suivant:
- Les éléments à assembler étant placés dans les pièces de positionnement, l'opérateur met en mouvement simultanément les trains de rouleaux (2), 17) (6) (10). La table (1) s'engage sous le tapis (16), qui comprime progressivement les connecteurs lors de leur passage. Les fortes pressions sont transmises par les trains de rouleaux (6) (10) aux tables (9) (12), et absorbées par le bâti (18).
- The elements to be assembled being placed in the positioning parts, the operator simultaneously sets in motion the roller trains (2), 17) (6) (10). The table (1) engages under the mat (16), which gradually compresses the connectors as they pass. The high pressures are transmitted by the roller trains (6) (10) to the tables (9) (12), and absorbed by the frame (18).
L'inclinaison de la table (12) déterminera l'amplitude de la compression. A titre d'exemple, elle pourra être de l'ordre de 3 cm sur une longueur de pression de 150 cm.The inclination of the table (12) will determine the amplitude of the compression. For example, it could be of the order of 3 cm over a pressure length of 150 cm.
Dans la figure 2, est représenté un dispositif utilisant un rétro-projecteur (19) se déplaçant selon un plan horizontal au-dessus de la table d'assemblage (1 ). Le portique (20) se déplace sur un rail (21 ) disposé de chaque côté de la table (1 ) et comporte un chariot (22) pour le déplacement dans le sens de la largeur de la table. Ce chariot (22) comporte un chariot (23) support du rétro-projecteur (19), assurant le déplacement en dernière approche de celui-ci.In Figure 2, there is shown a device using an overhead projector (19) moving in a horizontal plane above the assembly table (1). The gantry (20) moves on a rail (21) disposed on each side of the table (1) and comprises a carriage (22) for movement in the width direction of the table. This carriage (22) comprises a carriage (23) supporting the overhead projector (19), ensuring the displacement as a last approach thereof.
L'ensemble est réalisé, à titre d'exemple, en profilés légers et les galets sont montés sur roulements à billes, afin d'obtenir un positionnement manuel et sans effort du projecteur.The assembly is made, for example, of light profiles and the rollers are mounted on ball bearings, in order to obtain a manual and effortless positioning of the projector.
Les rails (21 ) sont prolongés au-delà de la table, afin de déplacer le portique (20) en dehors de la zone de travail, lorsque le travail de positionnement des noeuds est effectué. L'opérateur se sert des repères (4) matérialisés sur la table, et les fait correspondre avec les repères du dessin (24) fixé sur la plage de travail du projecteur (19).The rails (21) are extended beyond the table, in order to move the gantry (20) outside the work area, when the work of positioning the nodes is carried out. The operator uses the marks (4) materialized on the table, and makes them correspond with the marks of the drawing (24) fixed on the working surface of the projector (19).
Pour faire coïncider les quatre repères de la table avec ceux du dessin projeté, l'opérateur agit sur la tige de déplacement (25) du projecteur, et éventuellement sur la manette de réglage (26) de la distance focale du projecteur, celle-ci déterminant l'échelle de l'image. En agissant sur l'angle de renvoi du miroir (27), on peut corriger une éventuelle distorsion de l'image, qu'il est aisé de déceler, lorsque les points de repère ne se juxtaposent pas tous très exactement.To make the four marks of the table coincide with those of the projected drawing, the operator acts on the displacement rod (25) of the projector, and possibly on the adjustment lever (26) of the focal distance of the projector, this determining the scale of the image. By acting on the angle of return of the mirror (27), one can correct a possible distortion of the image, which is easy to detect, when the reference points are not all juxtaposed very exactly.
Le réglage effectué, et l'exactitude du positionnement vérifié, l'opérateur fait coulisser un poids (28), situé à la base de la tige de déplacement (25). Ce poids, en venant s'appuyer sur la table (1 ), immobilise le projecteur (19), et par voie de conséquence le dessin projeté. Ce dernier servira de guide à l'opérateur pour la mise en place des moyens de positionnement, tous les détails nécessaires pouvant être reproduits sur ie dessin avec une grande précision.The adjustment made, and the accuracy of the positioning checked, the operator slides a weight (28), located at the base of the displacement rod (25). This weight, coming to bear on the table (1), immobilizes the projector (19), and consequently the projected design. The latter will serve as a guide for the operator for setting up the positioning means, all the necessary details being able to be reproduced on the drawing with great precision.
Une grande visibilité sera atteinte en peignant la table (1 ) de couleur blanche ou claire, formant ainsi écran.High visibility will be achieved by painting the table (1) white or clear, thus forming a screen.
Grâce à la maniabilité du dispositif, l'opérateur peut passer rapidement d'un noeud de la'structure à l'autre.Thanks to the maneuverability of the device, the operator can quickly pass from one node of the structure to another.
La figure 3 est une vue en perspective schématique éclatée représentant le dispositif d'empilage automatique des structures assemblées.Figure 3 is an exploded schematic perspective view showing the automatic stacking device of the assembled structures.
La table (1 ), à la sortie de la machine à enfoncer (18), est entraînée par le train de rouleaux (17).The table (1), at the outlet of the driving machine (18), is driven by the train of rollers (17).
Immédiatement au-dessus de ce train de rouleaux et dans un plan parallèle à celui-ci, se trouve un autre train de rouleaux, qui vient reprendre la structure disposée sur la table (1 ), celle-ci se séparant de la table par l'action d'un volet (29) articulé perpendiculairement à la table (1). Ce volet (29) est commandé par un galet (30) qui se soulève au moment de l'avancement de la table (1) par l'action d'un plan incliné (31). Une butée, munie d'un contact de fin de course, située à l'extrémité du train de rouleaux (17), actionne des bras (45) disposés tout le long d'une poutre (33) articluée sur deux paliers (34) et dont la rotation est commandée par un motoréducteur (35). Lorsque les bras (45) ont une position d'environ 70° par rapport à l'horizontale, le chariot (36) circulant sur deux galets à bandages (37) avance perpendiculairement au sens de marche de la table (1 ). L'avancement est obtenu par un motoréducteur (38) lui-même commandé par un contact de fin de course situé sur l'axe du bras (33). Le motoréducteur (38) actionne un arbre (39) sur lequel sont clavetés deux pignons entraînant deux chaînes sans fin (40). Ces deux chaînes sans fin (40) se trouvent de part et d'autre des deux bras (32) et sont rendues solidaires du chariot (36) par deux pièces de fixation (41). L'extrémité de chaque bras (32) est elle-même guidée par un galet (42) circulant à l'intérieur d'un profilé (43) solidaire du bâti du train de rouleaux (17). Un palpeur (44), venant en contact avec les structures déjà empilées, assure le retour du chariot (36) ainsi que le retour en position normale des bras (45).Immediately above this train of rollers and in a plane parallel to it, is another train of rollers, which comes to take up the structure arranged on the table (1), this separating from the table by l action of a flap (29) articulated perpendicular to the table (1). This flap (29) is controlled by a roller (30) which lifts when the table (1) advances by the action of an inclined plane (31). A stop, provided with a limit switch, located at the end of the train of rollers (17), actuates arms (45) arranged all along a beam (33) articulated on two bearings (34) and the rotation of which is controlled by a geared motor (35). When the arms (45) have a position of approximately 70 ° relative to the horizontal, the carriage (36) circulating on two bandage rollers (37) advances perpendicular to the direction of travel of the table (1). Advancement is obtained by a geared motor (38) itself controlled by a limit switch located on the axis of the arm (33). The gear motor (38) actuates a shaft (39) on which are pinned two pinions driving two endless chains (40). These two endless chains (40) are located on either side of the two arms (32) and are made integral with the carriage (36) by two fixing parts (41). The end of each arm (32) is itself guided by a roller (42) circulating inside a section (43) integral with the frame of the roller train (17). A feeler (44), coming into contact with the already stacked structures, ensures the return of the carriage (36) as well as the return to the normal position of the arms (45).
A titre d'exemple, et pour donner une indication de performance que l'on peut obtenir, la table ayant une vitesse d'avancement de 1 m/sec., une opération d'enfoncement d'une structure sera réalisée en moins de 40 secondes.By way of example, and to give an indication of the performance that can be obtained, the table having a forward speed of 1 m / sec., A digging operation of a structure will be carried out in less than 40 seconds.
Finalement, et quels que soient les modes de réalisation adoptés, l'invention présente un certain nombre d'avantages parmi lesquels on peut citer ceux résumés par les points suivants:
- - le traçage d'une structure s'effectue rapidement, avec facilité et sans risque d'erreur,
- - le positionnement des éléments de la structure à assembler ne nécessite plus des pièces lourdes et volumineuses à déplacer à chaque changement de modèle, grâce à l'emploi d'un dessin projeté et de tables d'assemblage munies de trous taraudés,
- - l'enfoncement de connecteurs métalliques s'effectue d'une manière très rapide, selon un processus continu et entre deux surfaces droites, ce qui assure un enfoncement optimum à l'aide de connecteurs les plus usuellement usités et les moins coûteux,
- -l'empilage automatique des structures est aisé grâce au dispositif proposé, et les empilages sont évacués facilement à l'aide de moyens de manutention classiques, tels que chariots élévateurs,
- - par l'adjonction d'une ou plusieurs tables et de trains de rouleaux en amont et en aval de la machine, on obtient un rendement très élevé de l'ensemble, même si les séries répétitives des structures à assembler sont courtes et variées,
- - par l'archivisation et le classement des dessins transparents des structures, la mise en oeuvre d'une commande est très rapide et d'une précision invariable.
- - the tracing of a structure is carried out quickly, with ease and without risk of error,
- - the positioning of the elements of the structure to be assembled no longer requires heavy and bulky parts to be moved at each change of model, thanks to the use of a projected drawing and assembly tables provided with tapped holes,
- - the insertion of metal connectors is carried out very quickly, according to a continuous process and between two straight surfaces, which ensures optimum insertion using the most commonly used and least expensive connectors,
- the automatic stacking of the structures is easy thanks to the proposed device, and the stacks are easily removed using conventional handling means, such as forklifts,
- - by adding one or more tables and roller trains upstream and downstream of the machine, a very high efficiency of the assembly is obtained, even if the repetitive series of structures to be assembled are short and varied,
- - by archiving and classifying the transparent drawings of the structures, the implementation of an order is very fast and of invariable precision.
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT81440029T ATE12199T1 (en) | 1980-12-22 | 1981-12-21 | METHOD AND DEVICE FOR CONNECTING WOODEN EXTENSIONS. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8027644 | 1980-12-22 | ||
FR8027644A FR2499452A1 (en) | 1980-12-22 | 1980-12-22 | METHOD AND DEVICE FOR ASSEMBLING WOOD STRUCTURES |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0055201A1 EP0055201A1 (en) | 1982-06-30 |
EP0055201B1 true EP0055201B1 (en) | 1985-03-20 |
Family
ID=9249538
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP81440029A Expired EP0055201B1 (en) | 1980-12-22 | 1981-12-21 | Method and apparatus for assembling wood structures |
Country Status (6)
Country | Link |
---|---|
US (2) | US4426759A (en) |
EP (1) | EP0055201B1 (en) |
AT (1) | ATE12199T1 (en) |
CA (1) | CA1195832A (en) |
DE (1) | DE3169486D1 (en) |
FR (1) | FR2499452A1 (en) |
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FR2512135B1 (en) * | 1981-09-01 | 1985-09-06 | Burger Raymond | BEARING CHAIN AND ITS APPLICATION FOR MOVING A COMPRESSION SURFACE IN RELATION TO ANOTHER |
JPS60113322U (en) * | 1983-12-29 | 1985-07-31 | 日本ノ−シヨン工業株式会社 | Mounting position indicating device for button mounting machine |
JPS6342908A (en) * | 1986-08-06 | 1988-02-24 | ワイケイケイ株式会社 | Part automatic mount machine |
FI90454C (en) * | 1990-02-22 | 1994-02-10 | Patenttitoimisto T Poutanen Oy | Method of making a nail plate chair |
AU708877B2 (en) * | 1992-10-09 | 1999-08-12 | Maierhofer, Konrad | Method and apparatus for defining a template for assembling a structure |
US5388318A (en) * | 1992-10-09 | 1995-02-14 | Laharco, Inc. | Method for defining a template for assembling a structure |
DE4431235C2 (en) * | 1994-09-02 | 1997-05-15 | Man Gerardus De | Positioning machine with marking device for arranging a connector |
US5506914A (en) * | 1994-10-03 | 1996-04-09 | Baker; James F. | Automated truss inspection system |
US6317980B2 (en) * | 1997-10-20 | 2001-11-20 | Mitek Holdings, Inc. | Laser jigging system for assembly of trusses and method of use |
FR2777824B1 (en) * | 1998-04-22 | 2000-07-21 | Louis Joseph Charpenet | ASSISTANCE DEVICE FOR ASSEMBLING WOODEN ELEMENTS |
AT406353B (en) * | 1998-06-30 | 2000-04-25 | Wolf Systembau Gmbh & Co Kg | MARKING DEVICE FOR JOINING TIMBER BEAMS BY means of NAIL PLATES |
DE69933541D1 (en) * | 1999-04-26 | 2006-11-23 | Louis-Joseph Charpenet | Apparatus for assisting the assembly of wood parts |
US6100810A (en) * | 1999-09-24 | 2000-08-08 | Koorsen; John R. | Sensing apparatus for controlling the assembly of rafters by monitoring the position metallic fasteners |
US6418601B1 (en) * | 1999-11-03 | 2002-07-16 | Mitek Holdings, Inc. | Wall frame assembly table |
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DE102009025201B3 (en) * | 2009-06-12 | 2011-01-27 | Konrad Maierhofer | projection device |
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-
1980
- 1980-12-22 FR FR8027644A patent/FR2499452A1/en active Granted
-
1981
- 1981-12-21 EP EP81440029A patent/EP0055201B1/en not_active Expired
- 1981-12-21 DE DE8181440029T patent/DE3169486D1/en not_active Expired
- 1981-12-21 AT AT81440029T patent/ATE12199T1/en not_active IP Right Cessation
- 1981-12-21 CA CA000392839A patent/CA1195832A/en not_active Expired
- 1981-12-22 US US06/333,268 patent/US4426759A/en not_active Expired - Fee Related
-
1983
- 1983-12-01 US US06/556,902 patent/US4514899A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE3169486D1 (en) | 1985-04-25 |
FR2499452B1 (en) | 1984-12-14 |
ATE12199T1 (en) | 1985-04-15 |
US4514899A (en) | 1985-05-07 |
CA1195832A (en) | 1985-10-29 |
FR2499452A1 (en) | 1982-08-13 |
EP0055201A1 (en) | 1982-06-30 |
US4426759A (en) | 1984-01-24 |
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