EP1105262B1 - Procede et installation pour la decoupe et le dechargement automatique de piles de pieces dans un matelas de matiere en feuille - Google Patents
Procede et installation pour la decoupe et le dechargement automatique de piles de pieces dans un matelas de matiere en feuille Download PDFInfo
- Publication number
- EP1105262B1 EP1105262B1 EP00951613A EP00951613A EP1105262B1 EP 1105262 B1 EP1105262 B1 EP 1105262B1 EP 00951613 A EP00951613 A EP 00951613A EP 00951613 A EP00951613 A EP 00951613A EP 1105262 B1 EP1105262 B1 EP 1105262B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pieces
- unloading
- stacks
- tool
- skeleton
- 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.)
- Expired - Lifetime
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/18—Means for removing cut-out material or waste
- B26D7/1845—Means for removing cut-out material or waste by non mechanical means
- B26D7/1854—Means for removing cut-out material or waste by non mechanical means by air under pressure
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
- A41H43/00—Other methods, machines or appliances
- A41H43/02—Handling garment parts or blanks, e.g. feeding, piling, separating or reversing
- A41H43/0285—Tables
- A41H43/0292—Air-cushion or suction tables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/18—Means for removing cut-out material or waste
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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
- Y10S83/00—Cutting
- Y10S83/929—Particular nature of work or product
- Y10S83/936—Cloth or leather
- Y10S83/939—Cloth or leather with work support
- Y10S83/94—Cutter moves along bar, bar moves perpendicularly
-
- 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
- Y10T83/00—Cutting
- Y10T83/04—Processes
- Y10T83/0448—With subsequent handling [i.e., of product]
-
- 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
- Y10T83/00—Cutting
- Y10T83/04—Processes
- Y10T83/0448—With subsequent handling [i.e., of product]
- Y10T83/0467—By separating products from each other
-
- 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
- Y10T83/00—Cutting
- Y10T83/04—Processes
- Y10T83/0476—Including stacking of plural workpieces
-
- 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
- Y10T83/00—Cutting
- Y10T83/202—With product handling means
- Y10T83/2033—Including means to form or hold pile of product pieces
- Y10T83/2037—In stacked or packed relation
- Y10T83/2046—Including means to move stack bodily
-
- 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
- Y10T83/00—Cutting
- Y10T83/202—With product handling means
- Y10T83/2074—Including means to divert one portion of product from another
Definitions
- the invention relates to automated cutting of batteries of pieces in a stack of sheet material, or mattress, by example, the cutting of fabrics in the garment industry, upholstery or automobile upholstery, or cutting of textiles techniques or sheets of non-textile material in other sectors of industry.
- the invention relates to separation and unloading piles of pieces after cutting in the mattress.
- the usual organization of the production of articles of clothing is articulated around a cutting workshop with at least one cutting machine operating on a mattress according to a predetermined placement, and a workshop of manufacture, or assembly, where are assured the operations assembly and stitching of cut and finished parts of articles thus obtained.
- Products from the mattress cut should be treated to allow the use of parts by the manufacturing workshop.
- the useful pieces and cutting waste constituting the skeleton the mattress, that is to say the part of the mattress complementary to the piles of cut pieces useful. It may also be required to perform a sort, identification and / or packaging of stacks of cut pieces for Consistent batches before they are sent to the workshop. manufacturing.
- US Pat. No. 5,101,747 proposes an installation in the skeleton of the mattress is taken out of the cutting station by being pulled up off the horizontal path of the mattress, while a roller presses on the mattress to help stacks of cut pieces to to separate from the mattress and to fall by gravity into a receiving tray. he however, it is necessary to link the pieces of each stack together, sewing, so that the batteries retain their integrity. he is also necessary to sort the stacks of collected pieces and this may require battery marking to assist an inexperienced operator or when the shapes of the pieces can be near. He is still necessary to provide a placement of the pieces to be cut as it leaves the skeleton of the mattress in one piece, which requires spacing enough parts of each other and edges of the mattress, therefore does not optimize the use of the material.
- US Pat. No. 5,092,829 proposes to insert in the stacks of cut pieces of the connecting members and take out the piles of parts by means of a robot arm adapted to grip the connecting members engaged through the pieces.
- the movements of the robotic arm are controlled by a control unit based on information memorized relating to the locations of the stacks of coins in the mattress.
- This system however has the major drawback of require the introduction of a connecting member, for example a rod notched, in the stacks of coins. In many cases, this results in a unacceptable deterioration of the material.
- the object of the invention is to provide a method enabling a automatic unloading of stacks of cut pieces in a mattress and that does not require a binding of the parts of each stack for make it coherent, nor the introduction of connecting and gripping through the piles.
- Another object of the invention is to provide a method of automatic unloading which imposes no sensible constraint on the placement of the parts and therefore allows optimum use of the material.
- Another object of the invention is to provide a method of automatic unloading of stacks of parts that does not require labeling of batteries.
- the invention is remarkable because, thanks to the splitting the skeleton of the mattress, stacks of cut pieces can be released from the mattress one after another simply by sliding them parallel to the unloading table.
- the absence interference with the remaining coin piles in the mattress allows to keep the position reference of these so that they can to be reached later by the unloading tool.
- the fractionation of the mattress is made of to determine, for each pile of coins, a corridor of clearance defined by a preferred sliding direction and a width.
- the preferred slip direction may include parts non-rectilinear, the displacement of a stack of parts being realized by translation (s) and / or rotation (s) above the unloading table.
- the width of the clearance corridor is at least equal to the dimension maximum of the stack of coins measured perpendicular to the direction slip. Clearance corridors can be defined from the same way at least for some of the skeleton parts of the mattress.
- Moving stacks of coins on the table unloading may be carried out by supporting them by air cushion, or rolling them.
- the training of each pile of coins on the table of unloading can be done by simply pressing the tool unloading on the surface of the pile.
- Each stack of discharged parts may be accompanied by the unloading tool to a receiving device or sent to this one by a pulse of movement given by the unloading tool.
- Stacks of discharged parts can be directed to least one receiving device for constituting predetermined sets, for example, coherent batches for the assembly shop, or to form at least one ordered row in a predetermined manner, by example a line of stacks of pieces arranged on a conveyor in a predetermined order to be routed to the assembly shop.
- the batteries included in unframed mattress parts may be provided, in particular for stacks of small or very small parts.
- Each of these stacks of pieces are then unloaded with the mattress part that surrounds it which, by offering a larger surface, facilitates handling by the unloading tool.
- the separation between the stack of coins and the game of mattress in which it is included can be performed manually at a later stage, this part of the mattress can be a part of skeleton or another stack of pieces.
- parts of the skeleton of mattresses in particular those lying along the longitudinal edges of the mattresses, can be evacuated from the unloading table by automatic removal means separate from the unloading tool.
- parts of the skeleton of the mattress, especially small falls, remaining on the unloading table may be evacuated by scanning by means of the unloading tool browsing the table of unloading, the unloading tool then preferably being provided with scanning means provided for this purpose.
- the part of plastic film cut with each stack of coins and located on each pile can be removed automatically before evacuation of the stack of coins out of the table of unloading.
- the removal of each part of plastic film is advantageously carried out by means of the unloading tool, by example by aspiration.
- the batteries of Discharged parts can be packed individually.
- Stacks of Discharged parts may be marked, for example by printing or labeling carried by the unloading tool, or after packing piles of coins.
- the invention also aims to provide an installation allowing the implementation of the cutting and unloading process automatic defined above. This installation is defined in the claim 23.
- the surface of the unloading table has a plurality of orifices, and the unloading table is connected to blower means to be able to support the piles of parts cut by air cushion.
- the unloading table is provided on the surface with rolling means.
- the unloading tool for example equipped with a finger or several fingers of variable mutual spacing, is advantageously moving between a raised position and a lowered position to come into support on the upper surface of a pile of cut pieces being moved from its raised position to its lowered position.
- the unloading tool can be mobile in rotation around an axis perpendicular to the unloading table, relative to a movable tool holder parallel to the table of unloading, so as to allow the release of piles of parts by possibly turning them on themselves.
- FIG. 1 An embodiment of a cutting installation and automatic unloading allowing the implementation of a method according to the invention is illustrated in Figure 1 very schematically.
- the cut is performed on a cutting table 10 constituted by the upper horizontal strand of an endless conveyor 12. This is lodged, with the exception of its upper surface delimiting table 10, the inside of a box 14. Suction means, such as extractors 16, are arranged inside the box in order to establish a depression.
- the conveyor 12 consists of support blocks 12 having a gentle or passages communicating the interior of the vessel with the table surface 10.
- the blocks 12, for example of plastics material, comprises a base from which protrude a plurality filiform elements. In this way, a blade can penetrate into the surface of the table 10 to move horizontally in all directions without being damaged and without damaging the support blocks 12 a.
- a flexible sheet material to be cut for example a fabric T is brought on the table 10 in superposed layers forming a mattress 20. This is performed on a quilting table 22, upstream of the cutting table. The advance of the mattress 20 on the cutting table in the direction X is performed by control of the drive motor (no shown) of the conveyor 12.
- the cut of the mattress 20 carried by the table 10 and covered with film 30 is made by means of a cutting head 40.
- the cutting head can be brought into any position above the cutting table 10 by controls its horizontal movement parallel to the direction longitudinal X of the conveyor 12 and in the transverse direction Y perpendicular to X.
- the cutting head 40 is mounted on a block 42 which is movable in the Y direction along a transverse beam 44 under the control 46.
- the beam 44 is guided at its ends along the longitudinal edges of the conveyor 12 and is driven in the X direction under the control of a motor 48.
- the drive of the block 42 can be realized conventionally via cables or, as in illustrated example of worm 47.
- the drive beam 44 can also be realized by means of cables or worm or, as illustrated, by toothed wheels and racks 49, these being mounted on the upper longitudinal edges of the casing 14.
- the cutting head 40 carries a cutting blade 50 suspended vertically and passing through a crowbar 52.
- the blade 50 and the crowbars 52 are movable between a raised position (rest) and a lowered position in which the crowbar is in contact with the mattress 20.
- the cutting of the mattress is performed by driving the blade 50 in reciprocating vertical movement and moving the cutting head 40, the blade 50 and the crowbar 52 being furthermore orientable about an axis vertical to follow the outline of the pieces to be cut in the mattress.
- the movements of the cutting head 40 in X, Y, lowering and raising the cutting blade 50 and the crowbar 52, the reciprocating vertical movement of the blade 50 and the angular orientation of the cutting blade 50 and the crowbar 52 are controlled at means of a control unit, or computer 18, via links and drive members (not shown).
- the calculator 18 also controls the advance of the conveyor 12 and the depression of the box 14 whereby the mattress 20 covered with the waterproof film 30 is firmly held on the cutting table 10.
- the movements of the cutting head in X, Y are ordered to cut the pieces in the mattress following a predetermined placement by forming stacks of coins. 24.
- the orientation of the cutting blade 50 is controlled so it stays tangent or tangentially tangent to the outline of the room cut.
- an advance of the conveyor 12 is ordered to bring a new section of the mattress, or a new mattress on the cutting table. It is also possible to realize mattress advance without cutting interruption, lengths successive mattresses being brought into a work area of the cutting table 10, as and when the progress of the operation of chopped off.
- a method for achieving the advance of the mattress in time masked during cutting is described in WO-A-95102489.
- the placement operation prior to cutting, consists of determine the locations of the pieces to be cut.
- the placement is realized in order to minimize material losses, while respecting certain constraints (respect of the straight line, minimum spacing between pieces to cut ).
- the areas of the mattress are defined on the surface of the mattress 28 lines cutting the skeleton of the mattress. These locations are selected to perform, during the cutting operation, a splitting of the skeleton as it allows the successive subsequent separation of the piles of parts and skeleton parts by simply moving parallel to the surface of the mattress.
- Placement information relating to the locations of pieces on the surface of the mattress and the fragmentation information of the skeleton relating to the locations of the skeleton cut lines on the surface of the mattress, are recorded in a memory of calculator 18.
- the mattress Downstream of the cutting table 10, the mattress arrives in a unloading station comprising an unloading table 60 located in the extension and substantially at the same level as the table of chopped off.
- the unloading table 60 (FIGS. 1, 2) is formed by the upper wall of a box 62. Blower means 64 are connected to the box 62 to establish an overpressure inside thereof.
- the surface 61 of the table 60 has a multitude of orifices 66 communicating with the interior of the box 62 so as to create a air cushion on the surface of the table 60.
- the means of wind tunnel may be constituted (at least in part) by the means suction 16, the air sucked by them being injected into the casing 62.
- table 60 has a flange 68 at its upstream edge which connects it with the cutting table 10.
- the mattress 20 comprising the stacks of cut pieces 24 and the part complement, or skeleton 26, is gradually brought to the horizontal surface 61 of the unloading table 60, without modifying the relative positions of stacks of coins 24 and skeleton 26.
- Each stack of coins 24 is surmounted by a corresponding cut-out portion of the film 30.
- the skeleton 26 is fragmented by cuts 28 made during the cutting phase of the parts, in locations predetermined. .
- a plurality of receiving trays are arranged along one or more longitudinal edges and downstream of the unloading table 60. It may for example provide trays 70 a and 70 b located along longitudinal edges of the table 60 for discharging the skeleton 26 by fragments and trays 72a, 74 a, 72 b, 74 b and 76 ... located along the longitudinal edges and the downstream edge of the table 60 for receiving batteries 24 of cut pieces.
- Unloading piles of coins and fragments of skeleton 26 is realized by means of an unloading tool 80 which can be brought in any position above the unloading table and receiving bins by controlling its horizontal displacement parallel to the longitudinal direction X 'of the table 60 and to the direction transverse Y 'perpendicular to X'.
- the unloading tool 80 (FIGS. 1, 2, 3) is mounted on a tool support 82 which is movable in the Y direction along a beam 84, under the control of a motor 86.
- the training of the support 82 can be realized by means of cables or, as in illustrated example of worm 87.
- the beam 84 is guided to its ends along longitudinal guides and is driven in direction X ' under the control of a motor 88.
- the drive of the beam 84 can be made by means of cables or worms or, as illustrated, by toothed wheels and racks 89, these being mounted on longitudinal guides.
- the unloading tool 80 (FIG. 3) has an end 90 in finger shape or cup, for example of rubber, fixed at the end a telescopic rod 92 constituted, for example by a jack.
- the stem 92 is rotatably mounted in a bearing 94 integral with the support tool.
- a motor 96 is connected to the rod 92 to drive it rotation around its axis A perpendicular to the unloading table 60.
- the displacements of the unloading tool 80 at X ', Y', lowering and lifting the end of the tool by means of the rod 92, and the rotation of the tool about the axis A are controlled by the computer 18 via links and drive members (not shown)
- the computer 18 also controls the setting pressure of the box 62 for generating an air cushion on the surface from the unloading table.
- Stacks 24 of cut pieces are unloaded successively by means of the unloading tool 80, when they are reached table 60 and can be cleared from the mattress without interfere with other stacks of remaining pieces whether it's directly or via fragments of the skeleton 26 of the mattress.
- the unloading tool is brought to the vertical of each new stack of parts to be unloaded using the information relating to placement of the pieces in the mattress stored in memory of the calculator 18.
- the position of each stack of cut pieces is in known effect from the placement information, which determines the coordinates of the parts compared to an origin on the mattress, and the advance made by moving the conveyor 12. It is the same for each skeleton portion of the mattress.
- the movements of the tool unloading, to clear each stack of pieces, without interfering with those remaining in the mattress, and unload it in the tray of corresponding reception, are ordered from information from predetermined clearance and discharge stored in memory of the calculator 18 with the coin placement information and fragmentation of the skeleton.
- a process of determining Clearance information is described further in detail. It can be the same for at least some parts of the skeleton.
- the dimensions of the unloading table 60 are chosen to allow moving the stacks of pieces or skeleton portions separated from the mattress without interfering therewith.
- the table 60 is preferably given a width substantially greater than that of the cutting table 10.
- the The width of the table 60 is twice that of the table 10, the latter having same median longitudinal plane.
- the length of the table 60 is chosen so that it is at least equal to the largest dimension possible parts to be unloaded in the X direction.
- stacks of pieces intended to be grouped after unloading can be divided into two tanks located on either side of the table 60, for example bins 72 a, 72 b or the trays 74 a, 74 b. This directs a stack of coins near a longitudinal edge of the mattress to the nearest bin without having to bypass the portion of the mattress remaining on the table 60.
- the flowchart in Figure 4 shows in a general way the different stages leading to the definition of a placement of pieces and skeleton cut lines on the surface of a mattress, at the determining the order in which stacks of parts and parts of skeleton will be released from the mattress and unloaded after cutting, and the definition of the corridors of clearance that will have to be followed during the unloading.
- the first step 401 consists in placing the pieces to be cut on the surface of the mattress 20.
- FIG. 5A shows an example of placement on the front (or downstream) part of the mattress, only pieces A to K being shown.
- An origin of X and Y coordinates is fixed arbitrarily on the mattress 20 at a point O, vertex of the angle formed by the front edge 20c and a longitudinal edge 20a of the mattress.
- Automated placement methods are well known. They aim to make the best use of the available material while respecting certain constraints, for example respect of the right-thread of a fabric or Maintaining a sufficient spacing between contours of neighboring rooms (to avoid, when cutting, a possible "jump" of the cutting blade in a trajectory too close already traveled). In the example shown, the placement is obviously not optimized, the spaces between pieces being exaggerated for better clarity of the drawings.
- the predetermination of cutting lines of the skeleton of mattress is intended to achieve such fragmentation of the skeleton that at the stage of unloading, stacks of cut pieces and skeleton parts can be released successively, being moved in parallel on the surface of the mattress, without interfering with the rest of the mattress.
- a first step 402 of the process is to search in the placement of singular pieces.
- a first category of singular pieces includes coins insulated having a surface, or even a width, too small to be able to be handled correctly by the unloading tool, that is to say small parts.
- these parts are left in unfragmented portions of the skeleton of the mattress that surround them, the separation between each of these pieces and the skeleton portion in which it is included being realized, for example manually, after unloading.
- For each singular piece of small dimensions defines, around the room, an area not to be traversed by skeleton cutting lines, area having the area and width minimum requirements. For Part 1 of Figure 5A, this area is shown in broken lines.
- a second category of singular pieces includes the nested parts with at least one other part and / or at least one skeleton part with interlocking shapes making impossible their mutual separation by translation parallel to the mattress surface. Such pieces can be detected by searching those for which the contour defines, analytically, a function with a derivative sign inversion, regardless of the direction taken as the coordinate axis.
- Figure 6 shows an example of such a singular piece L nested with a part of Sx skeleton.
- a line of 28LL skeleton cut that isolates the nested portion Sxl from the part skeleton Sx by joining two points of the contour of the piece L, without cross this one.
- Automatic search for the location of the line 28LL can be done by defining the virtual outline of an envelope deduced from the piece as it might be by taking the envelope convex followed from the geometry of the piece.
- Such an envelope convex, or trajectory can be simulated by taking curves of Bezier relying on each of the segmented contour portions of the piece, and proceeding to their unification.
- the group formed by the meeting of the piece L and the skeletal portion Sx1 is then treated as a single piece, the separation between the piece L and the skeleton portion Sxl being performed, for example manually, after unloading this together.
- Figure 7 shows an example of other singular pieces M and N interwoven with each other. Because a cut through the pieces M or N is impossible, the set M + N constituted by the meeting of parts M and N is treated as a single piece. The separation between parts M and N can be done manually, after the phase of unloading.
- the cutting lines of the skeleton are segments of straight lines that connect to the outlines parts at particular points of these outlines.
- points particulars here we mean vertices of angles or points of cusp or, more generally, points where the radius of curvature the contour is very small, less than a given value.
- the skeleton cutting lines may be non-rectilinear, for example curved to connect to the contour of the pieces by being tangent or substantially tangent to this contour.
- the points of connecting the skeleton cut lines with the contours of the parts may be other than the particular points defined above, in particularly when the outline of a part does not have such points. (case of a circular piece). We can then choose the points of the outline having the largest coordinates and those having coordinates the smaller ones in the two directions X, Y.
- a second step 403 of the placement of cutting lines of skeleton is to define a splitting of the edge areas of the skeleton. For this purpose, for each room adjacent to one (or more) edge of the mattress, we search for example the nearest point of this edge (or each edge) and we define a cutting line joining this point at the edge of the mattress, preferably perpendicular to that edge.
- the different parts of the mattress are for example taken to from piece A, closest to origin point 0, then stowed by row, in the Y direction, alternately in one direction and the other.
- two cutting lines 28A and 28A has c to 20a and edges 20 c of the mattress. From the pieces B, C, D, lines 28B c , 28C c , 28D c are defined, towards the edge 20c , and, from the piece E, two lines 28E c and 28E b are defined towards the edge 20 c and the longitudinal edge 20 b of the mattress opposite the edge 20 a .
- the lines 28F and 28K has b from the pieces F and K, to the edges 20 b and 20 a, the other GJ parts not adjacent to an edge . The splitting of the skeleton edge areas for the rest of the placement is continued in the same way.
- a third step 404 of placing cutting lines of skeleton is to define a splitting of the inner part of the skeleton to achieve cutting continuities from a longitudinal edge to the other, that is, transversely to the direction longitudinal of the mattress.
- We can, for example, but not necessarily, proceed row of pieces per row of pieces.
- skeleton cutting lines 28AB, 28BC, 28CD and 28DE are defined joining the contours of parts A and B, B and C, C and D, and D and E (FIG. 5C).
- the connection to these contours is, in the example shown, at particular points having the abscissa (X) as high as possible, that is to say as far as possible from the edge 20 c .
- Cut lines 28FG, 28GH, 28HJ and 28JK are defined similarly, and the same is true for the rows following (not shown). It should be noted that, because of its character “small room", room 1 is not connected to a neighboring room by a cutting line of the skeleton part that surrounds it.
- a fourth step 405 of placing cutting lines of skeleton is to define a splitting of the inner part of the skeleton in a longitudinal or substantially longitudinal direction. In the illustrated example, this is achieved by establishing a continuity of cutting the skeleton between rows of neighboring pieces, on one or several lines, so as to define parts of the skeleton presenting a minimum of concavity, in order to be more easily manipulated.
- the next step 406 of the process of Figure 4 consists of determine the order in which stacks of parts and skeleton parts will have to be clear of the mattress and the clearance corridors they will have to follow to be unloaded at the desired location without interfere directly or indirectly with the pieces not yet clear.
- This step may include a split possible addition of the mattress in the case where a impossibility of release under these conditions.
- a corridor is characterized by a direction preferred slip and a width, the latter being determined by the extreme geographical limits of the part or part of the skeleton concerned, in a direction orthogonal to the sliding direction.
- the preferred sliding direction may be rectilinear or not, the room clearance that can be made according to movements possibly combined translation along a line parallel to the mattress surface and rotation about an orthogonal axis to the surface mattress.
- the automatic search for a corridor of clearance for a part or part of skeleton takes into account the surface available on the release table, the need for clear each stack of pieces or skeleton part without interfering with the pieces remaining in the mattress and the wish to search the path the shorter distance to the corresponding receiving device.
- FIG. 5F is a diagrammatic representation for each piece or part of the skeleton, the initial part of the direction of slip and, in parentheses, the rank of clearance.
- the locations and shapes of the cutting lines 28 constitute fragmentation information of the skeleton that are stored in the calculator 18 with the placement information parts for subsequently controlling the cutting tool (step 407).
- Figure 8A shows an example of stacks of coins 24 cut-outs and cutting lines 28 formed in a mattress according to the placement information of parts and skeletal fragmentation, according to the example of FIGS. 5A to 5E.
- the mattress 20 is advanced and its cut portion reaches the surface 61 of the unloading table 60.
- Unloading stacks of parts and evacuating skeleton fragments are made by ordering the tool of unloading from unloading and evacuation information, according to a pre-established process, as described above with reference to the Figure 5F. Unloading can be done at the end of a phase in advance of the mattress, or during it.
- FIG. 8B shows the movement of the first part S1 of skeleton, located at the downstream end of the mattress, to discharge tray 70 a.
- FIG. 8C shows the displacement of the first stack of pieces A, the clearance of which has been made possible, without interfering with the rest of the mattress, thanks to the evacuation of the first skeleton portion.
- Stack of pieces A is brought by the unloading tool to the receiving tray 72 a .
- Figure 8D shows the motion imposed on the stack of coins C, at a later stage of unloading.
- the release of this battery is realized by turning it on itself, at the beginning of its corridor of release, by imposing a rotation to the unloading tool around from its axis which is located at the gripping point on the pile of rooms.
- each stack of pieces is achieved by simple contact between the unloading tool, whose displacement is ordered, and the upper surface of the stack of parts or part of skeleton.
- the unloading tool is brought into position raised up to the vertical of the gripping site, and is lowered to bear on the stack of parts or the skeleton part.
- an air cushion is established on the surface of the table unloading to be able to move the stack of parts or the part of skeleton parallel to the surface of the table, without friction.
- connection between each stack of pieces or part of skeleton and the release tool can be reinforced by providing the latter with a needle that enters the stack of coins or the skeleton part on a limited depth when the cup is brought into the lowered position at contact of the coin pile.
- the clearance and evacuation information may be used to control the unloading tool, in a first time, to ensure complete clearance of the stack of parts or the part of the skeleton in relation to the mattress and, secondly, to give a sufficient momentum of movement so that the stack of pieces or the skeleton part moves alone to the tray chosen reception or evacuation.
- the momentum of movement can be given by imposing on the tool an acceleration over a limited distance in the proper direction. The unloading rate can thus be increased, displacements of the unloading tool being reduced.
- stacks of cut pieces collected in the receiving bins are free of the fraction of the film 30 which has been cut with them and which overcomes them.
- FIG. 9 For this purpose, one advantageously uses a tool of unloading 80 'as shown in Figure 9.
- the tool 80' differs from that of Figure 3 only by the fact that the cup 90 is connected to suction means (not shown) by a flexible pipe 98 equipped with a valve 99.
- the valve 99 is opened, to put the cup 90 under suction, after the unloading tool has been applied to the gripping site of a stack of parts 24 to be unloaded and before it has reached the top of the receiving tray corresponding, for example 74 b , following the path T 1 ( Figure 10).
- the fraction 31 of the sealing film remains in contact with the cup 90, after the falling of the parts in the receiving tray and can be brought to a discharge tray for example the tray 70a d ' removing skeletal fragments of the mattress, guiding the unloading tool on a path T 2 between the trays 74 b and 70 a .
- the valve 99 is closed, thereby interrupting the suction and releases the portion 31 of film.
- the tool is then brought, in the raised position, to the vertical of a new stack of parts to be discharged (trajectory T3), or a fragment of skeleton mattress to evacuate.
- FIG. 11 illustrates another embodiment of an unloading tool 80 "which differs from that of FIG. 3 in that the rod 92 ends not by a cup but by a set of several fingers, for example at the number of three 90a, 90b, 90 c. the fingers are articulated at the ends of arms 91 a, 91 b, 91 c which are pivotable relative to the end of the rod 92 so as to adjust the mutual spacing of the fingers. the pivoting of arm 91 a, 91 b, 91 c is achieved, individually or concomitantly, by motor means 93 controlled by the computer 18.
- This realization of the unloading tool allows, in the case pieces or skeleton parts of large dimensions, to come into support in different areas distant from each other from the surface of the stack of pieces or part of skeleton, the coordinates of the gripping location always corresponding to the axis of the rod 92.
- the training of the stack of pieces or part of skeleton along its clearance path, and its eventual rotation on itself can then be made more safely.
- unloading 80 may be provided with a retractable scanning device, for example a squeegee 95. This is mounted at the end of a jack 97 supported by a plate secured to the rod 92.
- a retractable scanning device for example a squeegee 95. This is mounted at the end of a jack 97 supported by a plate secured to the rod 92.
- the squeegee 95 can be lowered in the immediate vicinity of the surface of the unloading table by means of the cylinder 97.
- the displacement of the block 82 and the rotation of the rod 92 are then controlled from a predetermined program to scan the surface of the unloading table and remove the fragments of skeleton collected in one or other of the discharge trays 70 a, 70 b.
- the unloading tool 80 with a needle retractable located in the axis A of the tool.
- the needle can be disengaged function lowered, beyond the cup 90, to come into contact with the surface of a small fragment of skeleton to clear the mattress, and evacuate the fragment by displacement of the tool, since a rotation of the fragment is not necessary.
- the tool of unloading 80 for example identical to that of FIG. 3, is associated with printing means 100 mounted on the tool support 82. So, the stacks of loose parts of the mattress can be identified by marking at their upper surface, on the film portion 30 cut, to facilitate the subsequent processing of batteries. Printing can be performed while moving the stacks of coins by means of the unloading tool. Stacks of cut pieces are then evacuated without being stripped of film fractions 30.
- the printing means 100 are for example constituted by an ink jet print head of a type known per se available in trade.
- the flexible duct supplying the head 100 with ink, as well as drivers carrying the control signals of the transmission of the ink jet and feed jet deflection plates are housed at the inside of a flexible umbilical cord 103 connecting the head 100 to its unit control unit 102.
- the control unit 102 is connected to the computer 18.
- the print head 100 is controlled by the computer 18 based on data relating to information to be marked and a marking format.
- the nature of characters to be printed is determined by the information to be marked and the Character size is determined by the marking format.
- the information to be marked and the marking format are prerecorded in the memory of the calculator 18 in relation to the piles of parts to be unloaded.
- the marking format depends on the dimension of the pieces.
- the tool of unloading 80 for example identical to that of FIG. 3, is associated with labeling means 110 mounted on the tool support 82.
- the labeling means 110 may be constituted by a labeler of known type available commercially.
- the labeler 110 comprises a strip of paper or similar support 112 on which are fixed self-adhesive removable labels 114.
- the strip 110 carrying blank labels is unwound from a supply roll 110 and is fed successively in front of a print head 116 and 118 to a sampling device and label application before being wound onto a receiving roll 110 b .
- the print head 116 allows the printing of labels as and when measurement of needs.
- the device for removing and removing labels comprises a jacking cylinder 118 whose rod is provided at its end with suction cups for taking printed labels taking off from the support 112.
- the positioning cylinder 118 is rotatable around a vertical axis 111 in order to clear each label to be posed and to present it with any desired orientation.
- the rotation of cylinder 118 is controlled by a motor 119.
- the operation of the labeler 110 including the rotation debtor and receiver rollers, in order to bring the labels successively in the printing position and in the laying position, the operation of the integrated print head 116, the collection of printed labels to be deposited, the orientation of the removal cylinder of labels 118 about the axis 111 and the actuation of the removal cylinder 118 are controlled by the computer 18, the necessary signals being transmitted to the labeler by a cable (not shown).
- Marking devices other than labeling machine or head inkjet printing can be used, for example devices performing printing on the film 30 by heat.
- Figure 15 shows an alternative embodiment of the unloading station wherein two discharge tools 120 a, 120 b are provided, respectively on either side of the unloading table 60 at its upstream end 60a whose width is substantially equal to that of the cutting table.
- Each evacuation tool (FIGS. 15 and 16) comprises a horizontal arm 122 pivotally mounted at one end at the top of a support, under the action of a motor 124.
- the arm 122 can be a telescopic arm, for example constituted by a jack.
- the arm 122 carries at its other end a vertical telescopic rod formed by a cylinder 126 and provided at its end with a piece 128 in the form of a cup, for example rubber.
- the motor 124 and the jack 126 are controlled by the computer 18 to bring the cup 128 vertically and then in contact with the gripping locations of the successive portions of the mattress skeleton located along the longitudinal edges of the mattress reached on the unload table, then to evacuate the bringing these fragments in a discharge tray 71 adjacent a or 71 b.
- each receiving tray may be provided with a bagging device 130 (FIG. 17).
- a bagging device 130 FIG. 17
- Each stack of coins is discharged into the sheath 132 associated with the receiving tray corresponding and it is closed by heat sealing and then cut by means of heating tools 134, 136 in a manner well known per se.
- Stacks of packaged parts may be marked with means of a marking device placed immediately out of the bagging device. Stacking of parts does not require then not the mounting of printing or labeling means on the Unloading tool support and stacks of parts can be freed from the film fraction which overcomes them, unlike what is provided in the embodiments of Figures 13 and 14.
- the marking of the stacks of packaged parts can be realized by means of an inkjet printing device or a labeler similar to those described in connection with Figures 13 and 14.
- the unloading of the stacks of parts can be achieved by grouping the batteries in different receiving bins, for example bins 72a, 72b, 74a, 74b, 76 of the installation of Figures 1 and 2, depending on the subsequent use of the parts.
- the stacks of pieces, or at least part of them may be deposited in an order determined on a transport device, for example a conveyor, which routes them to a manufacturing facility.
- a transport device for example a conveyor
- the order of disposition of stacks of parts on the conveyor is advantageously determined by according to the sequence of use in the production workshop.
- FIG. 18 is a view from above showing a zone of unloading which differs from that of Figures 1 and 2 in that the ferry 76 located along the downstream side of the unloading table is replaced by a conveyor 140.
- the conveyor 140 advantageously comprises cells of receiving 142 juxtaposed in the longitudinal direction, It is moved by motor means (not shown) controlled by the computer 18, and moves in the unloading area, parallel to the downstream side of the table 60 in one direction and in the opposite direction.
- Unloading each stack of pieces intended for conveyor 140 is carried out in the cell 142 desired by controlling the moving the unloading tool 80 and the conveyor position 140 depending on the unload address specified for the stack of rooms.
- the means of receiving the stacks of parts evacuated from the unloading table may include one or more stage carriages.
- Figure 19 shows, very schematically, in elevation and in section, an unloading zone which is different from that of FIGS. 1 and 2 in that the receiving tray located along the downstream side of the unloading table 60 is replaced by a carriage 150 comprising several compartments 152 superimposed.
- the carriage 150 is mobile vertically, under the action of motor means (not shown).
- the vertical position of the carriage 150 is controlled by the calculator 18 so that to select the compartment 152 in which a stack of coins must to be evacuated.
- FIG. 20 is a very schematic top view illustrating yet another embodiment of an installation according to the invention.
- This installation comprises several cutting tables 10 1 , 10 2 , 10 3 , .... arranged parallel to each other.
- An unloading table 160 is movable on rails 162 parallel to the Y direction of the cutting tables so that it can be brought into line with any one selected from the cutting tables.
- the means of evacuation of the piles of pieces and fragments of skeleton advantageously include conveyors that extend all along the path of the unloading table, parallel to the rails 162.
- a conveyor 164 passes under the unloading table, at its upstream end, to collect the skeletal fragments, while a conveyor 166 extends along the downstream side of the unloading table, to collect piles of coins.
- At least one additional conveyor 168 can be provided, which passes under the unloading table, by example in its middle part, to collect stacks of coins.
- the conveyors 164, 166, 168 are driven by drive means (no represented) controlled by the computer 18.
- the conveyors 166 and 168 may be provided with compartments, or cells, of the same way that the conveyor 140 of Figure 18, to distribute the piles of parts in a predetermined manner.
- Figure 21 illustrates very schematically a variant of realization of the unloading table 60 'which is different from that of Figures 1 and 2 in that the housing 62 is compartmentalized.
- the surface of the table 60 ' is divided into several zones each corresponding to a compartment 63 of the box 62. compartments are individually connected to the blower means by through inputs 63a provided with shutters 65. The shutters 65 are individually controlled by the calculator 18 to be moved from an open position to a closed position; Or vice versa.
- segmentation of the fan table 60 ' with the production of a localized air cushion should not be performed when phases of advance of the mattress on the table, so as not to disturb this advance.
- Figure 22 illustrates yet another embodiment of the unloading table 60 "which differs from that of Figures 1 and 2 in that its surface is formed by a ball carpet 67, and means of wind tunnel are not planned.
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- Control Of Cutting Processes (AREA)
Description
- fractionner le squelette du pli ou du matelas en plusieurs parties lors de la découpe des piles de pièces sur la table de coupe
- amener progressivement, au-dessus d'un grille de déchargement, le pli ou le matelas comportant les piles de pièces découpées et le squelette du pli ou du matelas, non séparés les uns des autres, et
- décharger successivement les piles de pièces et les parties de squelette découpées en commandant le déplacement de l'outil de déchargement pour l'amener au contact des parvenues au-dessus de la grille de déchargement, en utilisant les informations relatives aux emplacements des pièces, à la surface du pli ou du matelas, et pour dégager chaque pile du reste du pli ou du matelas sans interférer avec les piles de pièces et les parties de squelette non encore déchargées, les piles de pièces découpées et les parties de squelette du pli ou du matelas étant déchargées de manière à dégager le passage sur la grille de déchargement pour des piles de pièces et les parties de squelette non encore déchargées.
- commander les déplacements relatifs entre l'outil de coupe et un pli ou un matelas porté par la table de coupe afin de découper en plusieurs parties le squelette du matelas, et
- commander les déplacements de l'outil de déchargement pour l'amener au contact de piles de pièces découpées parvenues avec un pli ou un matelas sur une surface de la grille de déchargement située en aval de la table de coupe et dégager successivement les piles de pièces découpées du reste du matelas.
- la figure 1 est une vue générale très schématique en perspective d'un mode de réalisation d'une installation permettant la mise en oeuvre de l'invention ;
- la figure 2 est une vue très schématique de dessus du poste de déchargement de l'installation de la figure 1 ;
- la figure 3 est une vue de détail en élévation de l'outil de déchargement de l'installation de la figure 1 ;
- la figure 4 illustre le déroulement d'un processus automatique de placement de piles de pièces et de lignes de découpe du squelette du matelas, et de détermination de rangs et couloirs de dégagement pour la mise en oeuvre d'un procédé conforme à l'invention ;
- les figures 5A à 5F illustrent la réalisation d'un placement en vue de la découpe de pièces, de la fragmentation d'un squelette et d'un déchargement automatisé, selon un exemple de mise en oeuvre du procédé conforme à l'invention ;
- la figure 6 illustre un cas particulier d'une pile de pièces et d'une partie de squelette mutuellement imbriquées ;
- la figure 7 illustre un cas particulier de piles de pièces mutuellement imbriquées ;
- les figures 8A à 8D illustrent le déroulement d'un processus automatique de découpe de piles de pièces et de fragmentation de squelette dans un matelas, de déchargement de piles de pièces et d'évacuation de fragments de squelette de matelas, pour la mise en oeuvre du procédé selon l'exemple des figures 5A à 5E.
- la figure 9 est une vue schématique en élévation illustrant un autre mode de réalisation d'un outil de déchargement d'une installation conforme à l'invention ;
- la figure 10 montre les étapes successives de déchargement d'une pile de pièces et d'évacuation d'une partie de film plastique initialement située au-dessus de la pile de pièces, au moyen de l'outil de déchargement de la figure 9 ;
- la figure 11 est une vue schématique en élévation illustrant un troisième mode de réalisation d'un outil de déchargement d'une installation conforme à l'invention ;
- la figure 12 est une vue schématique en élévation illustrant un quatrième mode de réalisation d'un outil de déchargement muni de moyens de balayage pour une installation conforme à l'invention ;
- la figure 13 est une vue schématique en élévation d'un cinquième mode de réalisation d'un outil de déchargement muni de moyens d'impression, pour une installation conforme à l'invention ;
- la figure 14 est une vue schématique en élévation d'un sixième mode de réalisation d'un outil de déchargement muni de moyens d'étiquetage, pour une installation conforme à l'invention ;
- la figure 15 est une vue très schématique de dessus illustrant un autre mode de réalisation d'un poste de déchargement d'une installation conforme à l'invention, avec des moyens d'évacuation de fragments de squelette de matelas distincts de l'outil de déchargement ;
- la figure 16 est une vue schématique en élévation de moyens d'évacuation de la figure 15 ;
- la figure 17 est une vue schématique en perspective illustrant encore un autre mode de réalisation d'un poste de déchargement d'une installation conforme à l'invention, avec des moyens d'emballage de piles de pièces découpées ;
- les figures 18 à 20 sont des vues très schématiques illustrant encore d'autres modes de réalisation d'une installation conforme à l'invention ; et
- les figures 21 et 22 sont des vues très schématiques de dessus illustrant d'autres modes de réalisation d'une table de déchargement.
- on recherche les sommets d'angles "rentrants" en partant d'un côté du matelas (par exemple le côté 209), jusqu'à la partie médiane puis, ensuite, en partant du côté opposé du matelas,
- on ne sélectionne que les angles "rentrants" les plus marqués, par exemple en ignorant ceux dont la distance par rapport à un angle rentrant déjà sélectionné ou à un point où aboutit une ligne de découpe déjà prévue, est inférieure à une valeur donnée, et
- chaque sommet d'angle "rentrant" sélectionné est relié par une ligne de découpe au point caractéristique de motif le plus proche dans la direction X.
- un rang de déchargement ou évacuation,
- une information de préhension relative à l'emplacement à la surface de la pile de pièces ou de la partie de squelette où doit être amené l'axe de l'outil de déchargement (cet emplacement pourra être le barycentre de la surface de la pile de pièces ou partie de squelette),
- des informations de dégagement comprenant des informations relatives à la direction de glissement devant être suivie par la pile de pièces ou partie de squelette, incluant des rotations éventuelles qui doivent lui être imprimées, pour que la pile de pièces ou partie de squelette soit dégagée du matelas sans interférer avec les piles de pièces non encore déchargées et par un mouvement uniquement parallèle à la table de déchargement, et
- une adresse de déchargement ou d'évacuation qui identifie l'emplacement où la pile de pièces ou la partie de squelette doit être déchargée, c'est-à-dire les coordonnées du dispositif de réception de cette pile de pièces ou d'évacuation de cette partie de squelette.
Claims (40)
- Procédé pour la découpe et le déchargement automatiques de pièces dans un pli d'une matière en feuille ou de piles de pièces dans un matelas (20) formé de couches superposées de matière en feuille, comprenant : la découpe des pièces dans le pli ou des piles de pièces dans le matelas sur une table de coupe (10), à partir d'informations enregistrées relatives aux emplacements des pièces à la surface du pli ou du matelas, et le déchargement (80) des pièces ou piles de pièces au moyen d'au moins un outil de déchargement piloté automatiquement, le procédé comprenant les étapes qui consistent à :fractionner le squelette du pli ou du matelas (20) en plusieurs parties lors de la découpe des pièces ou des piles de pièces sur la table de coupe (10),amener progressivement, au-dessus d'une table de déchargement (60), le pli ou le matelas comportant les pièces ou les piles de pièces découpées et le squelette du pli ou du matelas, non séparés les uns des autres, etdécharger successivement les pièces ou les piles de pièces et les parties de squelette découpées en commandant le déplacement de l'outil de déchargement (80) pour l'amener au contact des pièces ou des piles et de parties du squelette parvenues au-dessus de la table de déchargement, en utilisant les informations relatives aux emplacements des pièces, à la surface du pli ou du matelas, et pour dégager chaque pièce ou pile du reste du pli ou du matelas uniquement par un déplacement sensiblement parallèle au plan du pli ou du matelas, sans interférer avec les pièces ou les piles de pièces et les parties de squelette non encore déchargées, les pièces ou piles de pièces découpées et les parties de squelette du pli ou du matelas étant déchargées de manière à dégager le passage sur la table de déchargement (60) pour des pièces ou piles de pièces et les parties de squelette non encore déchargées.
- Procédé selon la revendication 1, caractérisé en ce que l'on fait glisser les pièces ou les piles de pièces sur la table de déchargement (60).
- Procédé selon la revendication 2, caractérisé en ce que, lors de leur déplacement sur la table de déchargement, les pièces ou les piles de pièces sont supportées par un coussin d'air.
- Procédé selon la revendication 1, caractérisé en ce que l'on fait rouler les pièces ou les piles de pièces sur la table de déchargement (60").
- Procédé selon l'une quelconque des revendications 2 à 4, caractérisé en ce que l'entraínement de chaque pièce ou pile de pièces sur la table de déchargement (60) est réalisé par simple appui de l'outil de déchargement (80) sur la surface de la pièce ou de la pile, et déplacement de l'outil.
- Procédé selon l'une quelconque des revendications 1 à 5, caractérisé en ce que, après son dégagement du reste du matelas, chaque pièce ou pile de pièces est accompagnée par l'outil de déchargement (80) jusqu'à un dispositif de réception.
- Procédé selon l'une quelconque des revendications 1 à 5, caractérisé en ce que, après son dégagement du reste du matelas, chaque pièce ou pile de pièces est envoyée jusqu'à un dispositif de réception par une impulsion de mouvement donnée par l'outil de déchargement (80).
- Procédé selon l'une quelconque des revendications 6 et 7, caractérisé en ce que les pièces ou les piles de pièces déchargées sont dirigées vers au moins un dispositif de réception pour constituer des ensembles prédéterminés.
- Procédé selon l'une quelconque des revendications 6 à 8, caractérisé en ce que les pièces ou les piles de pièces déchargées sont dirigées vers au moins un bac de réception (72a, 72b, 74a, 74b, 76).
- Procédé selon l'une quelconque des revendications 6 et 7, caractérisé en ce que des pièces ou des piles de pièces déchargées sont dirigées sur un dispositif de réception (140 ; 166 ; 168) pour y former au moins une file ordonnée de façon prédéterminée.
- Procédé selon l'une quelconque des revendications 1 à 10, caractérisé en ce qu'au moins certaines des parties du squelette du pli ou du matelas sont évacuées automatiquement de la table de déchargement.
- Procédé selon la revendication 11, caractérisé en ce qu'au moins des parties du squelette situées le long des bords longitudinaux du pli ou du matelas sont évacuées de la table de déchargement par des moyens d'évacuation automatique (120a, 120b) distincts de l'outil de déchargement (80).
- Procédé selon l'une quelconque des revendications 1 à 12, caractérisé en ce que l'on décharge comme une pièce ou une pile unique chaque ensemble de plusieurs pièces ou piles voisines dans le matelas dont les pièces ont des formes telles qu'elles se verrouillent mutuellement.
- Procédé selon l'une quelconque des revendications 1 à 13, caractérisé en ce que l'on inclut chaque pièce ou pile de pièces de dimensions inférieures à une valeur minimale prédéterminée dans une partie non fragmentée de squelette de matelas, l'ensemble étant déchargé comme une pièce ou une pile unique.
- Procédé selon l'une quelconque des revendications 1 à 14, dans lequel le matelas est recouvert d'un film plastique avant découpe des pièces ou des piles de pièces, caractérisé en ce que, avant évacuation des pièces ou des piles de pièces hors de la table de déchargement, la partie de film plastique découpée avec chaque pièce ou pile de pièces et située sur chaque pièce ou pile est retirée automatiquement.
- Procédé selon la revendication 15, caractérisé en ce que la partie de film plastique située sur chaque pièce ou pile de pièces découpées est retirée au moyen de l'outil de déchargement (80), puis évacuée.
- Procédé selon l'une quelconque des revendications 15 et 16, caractérisé en ce que le retrait de la partie de film plastique est effectué par aspiration.
- Procédé selon l'une quelconque des revendications 1 à 17, caractérisé en ce que les pièces ou piles de pièces déchargées sont emballées individuellement.
- Procédé selon l'une quelconque des revendications 1 à 18, caractérisé en ce que les pièces ou piles de pièces déchargées sont marquées.
- Procédé selon la revendication 19, caractérisé en ce que le marquage est réalisé par des moyens de marquage (100 ; 110) portés par l'outil de déchargement, avant évacuation des pièces ou piles de pièces hors de la table de déchargement.
- Procédé selon les revendications 18 et 19, caractérisé en ce que le marquage est réalisé après emballage des pièces ou piles de pièces.
- Procédé selon l'une quelconque des revendications 1 à 21, caractérisé en ce que l'on mémorise des informations de déchargement et d'évacuation associées aux pièces ou piles de pièces et à au moins certaines parties de squelette et comprenant, pour chacune :un rang de déchargement ou d'évacuation,une information de préhension relative à l'emplacement où doit être amené l'outil de déchargement sur la pièce ou la pile de pièces ou la partie de squelette,des informations de dégagement comprenant des informations relatives à une direction de glissement devant être suivie par la pièce ou la pile de pièces ou la partie de squelette, etune adresse de déchargement ou d'évacuation.
- Installation pour la découpe et le déchargement automatiques de pièces ou de piles de pièces dans un pli d'une matière en feuille ou dans un matelas (20) formé de couches superposées de matière en feuille, comportant : une table de coupe (10) ; des premiers moyens de déplacement (12) pour déplacer un pli ou un matelas sur la table de coupe ; un outil de coupe (50) ; des deuxièmes moyens de déplacement (46-49) pour déplacer l'outil de coupe au-dessus de la table de coupe; une unité de commande (18) reliée aux premiers et deuxièmes moyens de déplacement pour commander des déplacements relatifs entre l'outil de coupe et un pli ou un matelas porté par la table de coupe afin de découper dans le pli ou le matelas des pièces ou des piles de pièces en fonction d'informations de placement mémorisées relatives aux emplacements à la surface du pli ou du matelas de pièces à découper ; au moins un outil (80) de déchargement automatique de pièces ou de piles de pièces découpées ; et des troisièmes moyens de déplacement (86-89) pour déplacer l'outil de déchargement et reliés à l'unité de commande afin notamment d'amener l'outil de déchargement au niveau de pièces ou de piles de pièces découpées à décharger,
l'installation comportant en outre une table de déchargement (60) au-dessus de laquelle l'outil de déchargement (80) peut être déplacé et l'unité de commande (18) étant agencée pour :commander les déplacements relatifs entre l'outil de coupe (50) et un pli ou un matelas porté par la table de coupe (10) afin de découper en plusieurs parties le squelette du matelas, etcommander les déplacements de l'outil de déchargement (80) pour l'amener au contact de pièces ou de piles de pièces et de parties du squelette découpées parvenues avec un pli ou un matelas sur une surface (61) de la table de déchargement (60) située en aval de la table de coupe (10) et dégager successivement les pièces ou les piles de pièces découpées du reste du matelas en les déplaçant sur la table de déchargement uniquement par un mouvement sensiblement parallèle à la surface de la table de déchargement. - Installation selon la revendication 23, caractérisée en ce que la surface (61) de la table de déchargement (60) présente une pluralité d'orifices (66) et la table de déchargement est reliée à des moyens de soufflerie (64) afin de pouvoir supporter les pièces ou les piles de pièces découpées par coussin d'air.
- Installation selon la revendication 24, caractérisée en ce que la table de déchargement (60) est partagée en plusieurs secteurs susceptibles d'être sélectivement reliés à des moyens de soufflerie.
- Installation selon la revendication 23, caractérisée en ce que la table de déchargement est munie en surface de moyens de roulement (67).
- Installation selon l'une quelconque des revendications 23 à 26, caractérisée en ce qu'elle comporte plusieurs tables de coupe, une table de déchargement, et des moyens pour déplacer la table de déchargement afin de l'amener sélectivement à l'extrémité de l'une ou l'autre des tables de coupe.
- Installation selon l'une quelconque des revendications 23 à 27, caractérisée en ce que l'outil de déchargement (80) est en outre mobile entre une position relevée et une position abaissée pour venir en appui sur la surface supérieure d'une pièce ou d'une pile de pièces découpées en étant déplacé de sa position relevée à sa position abaissée.
- Installation selon l'une quelconque des revendications 23 à 28, caractérisée en ce que l'outil de déchargement (80) est monté sur un support d'outil (82) qui est mobile parallèlement à la table de déchargement (60) sous l'action des troisièmes moyens de déplacement (86-89), l'outil de déchargement étant en outre mobile en rotation par rapport au support d'outil autour d'un axe perpendiculaire à la surface (61) de la table de déchargement.
- Installation selon l'une quelconque des revendications 23 à 29, caractérisée en ce que l'outil de déchargement (80) comporte au moins un doigt (90) susceptible d'être amené au contact d'une surface supérieure d'une pièce ou d'une pile de pièces découpées à décharger.
- Installation selon la revendication 30, caractérisée en ce que l'outil de déchargement (80") comporte plusieurs doigts (90a, 90b, 90c) d'écartement mutuel variable.
- Installation selon l'une quelconque des revendications 23 à 31, caractérisée en ce que l'outil de déchargement (80') est muni de moyens d'aspiration (98, 99).
- Installation selon l'une quelconque des revendications 23 à 32, caractérisée en ce que l'outil de déchargement est muni de moyens (95) de balayage de la surface de la table de déchargement (60).
- Installation selon l'une quelconque des revendications 23 à 33, caractérisé en ce que l'outil de déchargement est muni d'une aiguille rétractable.
- Installation selon l'une quelconque des revendications 23 à 34, caractérisée en ce que l'outil de déchargement est muni de moyens de marquage (100 ; 110).
- Installation selon l'une quelconque des revendications 23 à 35, caractérisée en ce qu'elle comporte des moyens de réception de pièces ou de piles de pièces déchargées de la table de déchargement.
- Installation selon la revendication 36, caractérisée en ce que les moyens de réception comprennent au moins un bac adjacent à la table de déchargement.
- Installation selon la revendication 37, caractérisée en ce que les moyens de réception comprennent au moins un convoyeur mobile le long d'un côté de ou sous la table de déchargement.
- Installation selon l'une quelconque des revendications 23 à 38, caractérisée en ce qu'elle comporte en outre des moyens d'évacuation (120a, 120b), distincts de l'outil de déchargement, pour évacuer hors de la table de déchargement (60) des parties découpées de squelette de matelas.
- Installation selon la revendication 39, caractérisée en ce que les moyens d'évacuation (120a, 120b) sont disposés au moins en partie latéralement par rapport à la table de déchargement (60).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9907811A FR2795014B1 (fr) | 1999-06-21 | 1999-06-21 | Procede et installation pour la decoupe et le dechargement automatique de piles de pieces dans un matelas de matiere en feuille |
FR9907811 | 1999-06-21 | ||
PCT/FR2000/001693 WO2000078512A1 (fr) | 1999-06-21 | 2000-06-20 | Procede et installation pour la decoupe et le dechargement automatique de piles de pieces dans un matelas de matiere en feuille |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1105262A1 EP1105262A1 (fr) | 2001-06-13 |
EP1105262B1 true EP1105262B1 (fr) | 2004-02-25 |
Family
ID=9547037
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00951613A Expired - Lifetime EP1105262B1 (fr) | 1999-06-21 | 2000-06-20 | Procede et installation pour la decoupe et le dechargement automatique de piles de pieces dans un matelas de matiere en feuille |
Country Status (6)
Country | Link |
---|---|
US (1) | US7434373B2 (fr) |
EP (1) | EP1105262B1 (fr) |
DE (1) | DE60008484T2 (fr) |
ES (1) | ES2213594T3 (fr) |
FR (1) | FR2795014B1 (fr) |
WO (1) | WO2000078512A1 (fr) |
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DE102008030489A1 (de) * | 2008-06-26 | 2009-12-31 | Krones Ag | Vorrichtung und Verfahren zum Herstellen von Einzelzuschnitten aus einer Folienbahn |
US9038511B2 (en) * | 2008-11-12 | 2015-05-26 | Esko-Graphics Kongsberg As | Automatically removing waste material using a strip die when cutting a sheet of material according to a predetermined pattern |
IT1395374B1 (it) * | 2009-09-04 | 2012-09-14 | Comelz Spa | Apparecchiatura per il taglio di pelli e simili. |
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JP5656915B2 (ja) * | 2012-05-21 | 2015-01-21 | ユニ・チャーム株式会社 | トウを含む複数の繊維を有するウエブ部材の切断装置、及び切断方法 |
JP5871711B2 (ja) * | 2012-05-21 | 2016-03-01 | ユニ・チャーム株式会社 | トウを含む複数の繊維を有するウエブ部材の切断装置、及び切断方法 |
JP5836194B2 (ja) * | 2012-05-21 | 2015-12-24 | ユニ・チャーム株式会社 | トウを含む複数の繊維を有する連続ウエブの切断装置、及び切断方法 |
ES2470840B1 (es) * | 2012-11-23 | 2015-03-31 | Industrias Deltavigo S.L. | Sistema de manipulación de tejidos porosos |
CN104188233B (zh) * | 2014-09-03 | 2016-08-31 | 常熟市百联自动机械有限公司 | 拍散机 |
CN105857810A (zh) * | 2015-01-22 | 2016-08-17 | 富泰华工业(深圳)有限公司 | 贴标机 |
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CN105565043B (zh) * | 2016-03-01 | 2017-11-17 | 广东溢达纺织有限公司 | 机械切割式自动剪样贴料机 |
US9895819B1 (en) | 2016-03-14 | 2018-02-20 | Amazon Technologies, Inc. | Continuous feed fabric cutting |
US10820649B2 (en) | 2016-03-14 | 2020-11-03 | Amazon Technologies, Inc. | Organized assembly instruction printing and referencing |
US10307926B2 (en) * | 2016-03-14 | 2019-06-04 | Amazon Technologies, Inc. | Automated fabric picking |
US9868302B1 (en) | 2016-06-20 | 2018-01-16 | Amazon Technologies, Inc. | Fluorescent ink printing, cutting, and apparel assembly |
CN106592194B (zh) * | 2017-01-10 | 2018-08-17 | 重庆理工大学 | 全自动布料铺剪一体机 |
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NL2020362B1 (en) | 2018-01-31 | 2019-08-07 | Airborne Int B V | Manufacturing layered products |
CN109132055A (zh) * | 2018-09-25 | 2019-01-04 | 宁波中骏森驰汽车零部件股份有限公司 | 一种自动剪脚换位贴胶装置及其加工方法 |
CN109229675B (zh) * | 2018-09-28 | 2024-09-27 | 杭州西奥电梯有限公司 | 一种围帮的割膜系统 |
WO2020079535A1 (fr) * | 2018-10-15 | 2020-04-23 | Elitron Ipm S.R.L. | Procédé pour recueillir, à partir d'un panneau découpé servant à obtenir des articles prédéterminés, les articles et des chutes générées par la découpe du panneau et machine servant à réaliser le procédé |
CN109367251B (zh) * | 2018-10-17 | 2020-06-02 | 上海尊心纺织品有限公司 | 一站式成衣数码印花打印设备 |
CN109604479B (zh) * | 2018-11-07 | 2020-06-19 | 芜湖顺成电子有限公司 | 电线切割设备 |
EP3699303A1 (fr) * | 2019-02-19 | 2020-08-26 | Comelz S.p.A. | Dispositif accessoire pour faciliter l'alimentation de feuilles de matériau à découper dans des machines cnc |
CN110216731B (zh) * | 2019-06-28 | 2020-12-29 | 克林斯曼新材料有限公司 | 一种树脂瓦的边料可调节裁边废料截断装置 |
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CN112593397A (zh) * | 2020-11-30 | 2021-04-02 | 广东元一科技实业有限公司 | 一种叠层片材自动切割和卸载的方法 |
DE102021109429A1 (de) | 2021-04-15 | 2022-10-20 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Kennzeichnungsverfahren für eine Zuschnittvorrichtung für Flächenware, sowie eine Zuschnittvorrichtung für Flächenware für einen Sitzbezug |
CN113427552B (zh) * | 2021-06-02 | 2022-12-20 | 湖州创塑新材科技有限公司 | 一种生产医用无纺布的脱脂棉膜边料吸附收集设备 |
CN113858289B (zh) * | 2021-09-23 | 2023-05-23 | 盐城保荣机械有限公司 | 一种防水透气膜的平整裁切装置 |
CN113635391B (zh) * | 2021-10-18 | 2022-01-18 | 山东奥维特智能科技有限公司 | 一种集成电路板分割钻孔设备 |
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IT1286752B1 (it) * | 1996-11-08 | 1998-07-17 | Omnitex Srl | Procedimento di taglio di un materasso di strati di tessuto per agevolare il prelievo di pacchetti di pezzi tagliati e macchina per |
FR2759548B1 (fr) * | 1997-02-20 | 1999-05-07 | Lectra Systemes Sa | Stockage de pieces decoupees dans un matelas |
-
1999
- 1999-06-21 FR FR9907811A patent/FR2795014B1/fr not_active Expired - Lifetime
-
2000
- 2000-06-20 WO PCT/FR2000/001693 patent/WO2000078512A1/fr active IP Right Grant
- 2000-06-20 EP EP00951613A patent/EP1105262B1/fr not_active Expired - Lifetime
- 2000-06-20 DE DE60008484T patent/DE60008484T2/de not_active Expired - Lifetime
- 2000-06-20 ES ES00951613T patent/ES2213594T3/es not_active Expired - Lifetime
-
2006
- 2006-10-13 US US11/549,271 patent/US7434373B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ES2213594T3 (es) | 2004-09-01 |
US7434373B2 (en) | 2008-10-14 |
FR2795014A1 (fr) | 2000-12-22 |
DE60008484D1 (de) | 2004-04-01 |
DE60008484T2 (de) | 2004-11-25 |
WO2000078512A1 (fr) | 2000-12-28 |
US20070107572A1 (en) | 2007-05-17 |
FR2795014B1 (fr) | 2001-10-19 |
EP1105262A1 (fr) | 2001-06-13 |
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