EP0057144B1 - Maschine zum Verpacken von zylinderförmigen Artikeln in kreisförmigen Zuschnitten, geformt aus Bahnen von thermoplastischem Verpackungsmaterial - Google Patents

Maschine zum Verpacken von zylinderförmigen Artikeln in kreisförmigen Zuschnitten, geformt aus Bahnen von thermoplastischem Verpackungsmaterial Download PDF

Info

Publication number
EP0057144B1
EP0057144B1 EP82400121A EP82400121A EP0057144B1 EP 0057144 B1 EP0057144 B1 EP 0057144B1 EP 82400121 A EP82400121 A EP 82400121A EP 82400121 A EP82400121 A EP 82400121A EP 0057144 B1 EP0057144 B1 EP 0057144B1
Authority
EP
European Patent Office
Prior art keywords
packaging
fixed
plate
mobile
head
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
Application number
EP82400121A
Other languages
English (en)
French (fr)
Other versions
EP0057144A3 (en
EP0057144A2 (de
Inventor
Jacques Edmond Maurice Evrard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT82400121T priority Critical patent/ATE13649T1/de
Publication of EP0057144A2 publication Critical patent/EP0057144A2/de
Publication of EP0057144A3 publication Critical patent/EP0057144A3/fr
Application granted granted Critical
Publication of EP0057144B1 publication Critical patent/EP0057144B1/de
Expired legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/3846—Cutting-out; Stamping-out cutting out discs or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/54—Wrapping by causing the wrapper to embrace one end and all sides of the contents, and closing the wrapper onto the opposite end by forming regular or irregular pleats

Definitions

  • the invention relates to machines for packaging objects of substantially cylindrical shape, such as cheeses, ribbons wound with sticky paper or for a typewriter, deodorant blocks for sanitary facilities, etc., and more particularly relates to machines for packaging these objects in sheets cut according to closed contours, preferably convex, such as circular discs, in strips of flexible packaging material, such as paper, aluminum and films of transparent or non-transparent plastic material and possibly heat-sealable, the packaging sheet can preferably be regularly pleated around the periphery of the object.
  • Such a machine comprises a fixed packaging head and a movable packaging head, in the form of two crowns of common axes, capable of enclosing a packaging sheet between them when they are brought one against the other. 'other, and whose central openings are coaxial with at least one socket for the passage of the objects to be packed, arranged in the extension of the central opening of the fixed packaging head and attached to the face of the latter which does not is not turned towards the movable packing head.
  • a diaphragm device partially seals the sleeve by folding the packaging sheet over one of the faces of an object, after the latter has been disposed by its other face against the part of the sheet closing the central openings. packing heads applied against each other, then pushed with this sheet into the socket by a movable plunger, until it comes to rest against a support plate perpendicular to the axis of the socket. A sealing member is introduced into the sleeve and applied through the diaphragm to the part of the packaging sheet folded over the object resting against the support plate, after the movable pusher has been withdrawn from the sleeve.
  • the packaging heads are provided on their opposite faces with complementary radial teeth, to initiate a pleating of a sheet which they enclose, so as to pack the object in a pleated sheet at its periphery , the axis common to the packaging heads and to the sleeve being vertical, and the movable head being disposed above the fixed head.
  • Packing machines of this type must be supplied on the one hand with objects to be packaged, on the other hand with cut sheets, either manually or automatically for one and / or the other of these operations.
  • a machine for cutting thin sheets according to closed contours in strips of packaging material comprising, on the one hand, for enclosing a strip of packaging material, two trays, one of which is fixed and has a slot having the shape of the closed contour to be cut, and the other of which is mobile and has a groove on the opposite face of the first, this groove coming to be superimposed on the slot along the closed contour, when the two plates are applied one against the other, and, on the other hand, for cutting this sheet, a cutting tool, carried by a following mobile equipment the outline of the closed contour, and movable in a direction perpendicular to the plates between a cutting position in which the tool crosses the slot and is engaged in the groove, and a rest position in which the tool is not engaged in the groove.
  • the fixed plate When the closed contour, common to the slot and the groove is circular, the fixed plate consists of a central circular disc surrounded by a fixed plate and carried by a fixed shaft, serving as a pivot for the movement of the crew mobile and guide for the movement perpendicular to the cutting tool plate.
  • suction nozzles in the central disc are provided, these nozzles being connected to a vacuum chamber arranged in this disc, and put in communication with a vacuum pump.
  • the transfer of the cut sheet from the cutting machine to the packaging machine is ensured by the sliding, on at least one slide going from one to the other of these machines, of a suction probe, carried by a tubular arm, and capable of moving between a position inside the contour, in which it is engaged in a notch of the movable plate and placed in communication with the source of vacuum while the connection of the latter with the nozzles is cut, and a position outside the contour, plumb with the lower pleating and packaging head of the associated packaging machine, on which the cut sheet is deposited as soon as the connection with the vacuum source is cut.
  • suction nozzles on the plate stationary cutting machine, near and around the slot, the operation of these nozzles to be synchronized with the step by step advance of the strip of packaging material on the fixed plate of the cutting machine.
  • the maximum rate of operation operation of an installation associating the two aforementioned machines is determined from the lowest of the maximum rates of these two machines, and taking into account the significant duration of the transfer of a cut sheet from the cutting machine to the machine to be packaged, which constitutes a significant limitation in the operation of such an installation, in particular for large diameter discs, which can cling to the mechanism for advancing the strip of packaging material on the fixed plate of the cutting machine.
  • such an installation is bulky and difficult to adjust since the two associated machines must operate in synchronism.
  • the machine according to the invention is more than a space requirement. limited, of a simplified structure and adjustment, and authorizing increased rates due in particular to the elimination of any phase of transfer of the cut sheets from one station to another.
  • This machine according to the invention also makes it possible to cut large area sheets and to pack bulky objects while having a simple structure.
  • the subject of the invention is a machine for packaging objects of substantially cylindrical shape in sheets each cut according to a closed contour, preferably circular, in a strip of a fixed flexible packaging material and a head of mobile packaging in the form of two crowns of common axis, capable of enclosing between them a packaging sheet when the mobile head is brought against the fixed head and whose central openings are coaxial, at least one socket disposed in the extension of the central opening of the fixed packaging head and attached to the face of the latter which is not turned towards the mobile packaging head, a mobile pusher making it possible to push an object to be packaged and the sheet onto which has been arranged, inside the sleeve up to a support plate perpendicular to the axis of the sleeve, a diaphragm device allowing by partial sealing of the sleeve to fold the sheet of packaging on one side of the object resting on the support plate, a sealing member being introduced into the socket and applied, through the diaphragm, to the part of the packaging
  • the machine of the type indicated above is, according to the invention, characterized in that it comprises, on the one hand, for gripping the strip of flexible packaging material, a fixed plate having a central opening whose shape corresponds to that of the outline of the leaves, and whose section is slightly greater than that of the leaves, as well as a movable pressure plate, parallel to the fixed plate and having on its face opposite the latter a groove having the shape of the contour of the leaves and coming opposite the central opening of the fixed plate when the pressure plate is applied against the latter, the pressure plate also having a central opening internal to the groove, allowing the passage of the movable packaging head, and, on the other hand, for cutting a sheet from a strip pressed between the fixed plate and the pressure plate, a movable element following the outline of the sheets around the fixed packaging head projecting inside the opening central structure of the fixed plate, and a cutting tool, carried by the mobile assembly and movable in a direction perpendicular to the fixed plates and presser between a cutting position, in which the tool crosses the central opening
  • the cutting tool is integral with a yoke pivotally mounted on the outer end of the radial arm, around a radial axis perpendicular to the axis of rotation of the ring rotating, and a roller is mounted in rotation in the yoke around a second radial axis, perpendicular to the axis of rotation of the ring, to roll on a ring surrounding with play the rotating ring, and displaceable in translation along the 'axis of rotation of the ring, in order to control the position of the cutting tool.
  • the axial position of the ring which controls the position of the cutting tool, is itself controlled by jacks to which the ring is resiliently biased.
  • the pressure plate has, on its face opposite the fixed plate, and between its groove and its central opening, a plurality of suction nozzles opening into at least one annular channel placed in communication with a vacuum source, to press the part of the strip of flexible packaging material closing the central opening of the fixed plate against the pressure plate.
  • the strip of flexible material is held and moved between the fixed plate and the pressure plate by a step-by-step feed device, comprising at least one pair of pliers, capable of being moved on slides along the fixed plate by at least one fork, pivotally mounted around an axis transverse to the direction of movement of the strip on the fixed plate, and operated by a jack.
  • a step-by-step feed device comprising at least one pair of pliers, capable of being moved on slides along the fixed plate by at least one fork, pivotally mounted around an axis transverse to the direction of movement of the strip on the fixed plate, and operated by a jack.
  • the facing faces of the packaging heads are provided with complementary radial teeth to initiate pleating of a sheet which they enclose, so as to pack the object in a pleated sheet at its periphery, the axis common to the packaging heads and the sleeve being vertical, the movable head being disposed above the fixed head, likewise the pressure plate is disposed above the fixed plate.
  • the mobile packaging head of the machine is suspended with lost travel, on the rods of jacks mounted on gantries secured to the mobile pressure plate, on either side of the mobile packaging head, by means diametrically opposite lugs having openings through which the rods of jacks whose ends carry lug drive stops, which are shaped in ears against bent to connect to the face of the movable head not turned towards the fixed head.
  • the movable pressure plate is mounted sliding along columns connecting fixed plates to the fixed plate carrying jacks for controlling the movement of the pressure plate towards the fixed plate, by their rods provided at their free end.
  • spherical caps cooperating with imprints of the mobile presser plate, which is resiliently biased towards the fixed crosspieces by springs bearing on the one hand against the fixed plate, and on the other hand against the bottom of sleeves carried by lateral tabs of the pressure plate and crossed with guidance by the columns.
  • the support plate is mounted at the end of a rod of a jack and can be introduced by the latter into the socket, until its bearing surface either at the central opening of the fixed packaging head, then pushed back with the object by the pusher-mobile, the stroke of which is limited so that the object is introduced into the socket beyond the device to diaphragm, the support plate being immobilized in this position by a locking system during the operations of the diaphragm device and of the sealing member, then moved to remove the wrapped object from the sleeve and place it on the path an ejection member bringing the object to an evacuation station.
  • the movable pusher may be in the form of an annular piston moved by a cylinder eccentric relative to the axis of the packaging heads, the sealing member being axially displaceable through the annular piston by an axial cylinder parallel to the eccentric cylinder.
  • the sealing member can be a welding head, if the flexible packaging material is a thermoplastic material, or a label holder, which covers the packaged object to deposit a self-adhesive label on the latter, in other cases .
  • the machine comprises a fixed plate 1, horizontal and rectangular, pierced with a circular central opening 2, of section slightly greater than that of circular sheets or discs in which objects of substantially cylindrical shape, such as only cheeses, must be packaged.
  • This fixed plate 1 also has, along the major part of its long sides, two grooves 3, and each at its four corners, a mounting hole for a vertical guide column 4.
  • a movable pressure plate 5, disposed horizontally above the fixed plate 1 is slidably mounted in a vertical direction by means of four lateral tabs 6, integral with the four corners of the pressure plate 5, and each mounted on a sleeve 7, crossed by one of the columns 4 ensuring the fixing above the fixed plate 1 of two fixed crosspieces 8.
  • Each sleeve 7 is received in a hole in the corresponding tab 6 and has at its lower end an external radial flange 9 housed in a counterbore surrounding the hole in the tab 6 on its underside.
  • the bottom of each sleeve 7 has a guide bore on a column 4 and a spring 10, surrounding the column 4, bears against the fixed plate 1 and against the bottom of the sleeve 7 to raise the pressure plate 5 above the plate fixed 1.
  • the rods of the cylinders 11 carry, at their end lower free, spherical caps 12 supported in imprints of corresponding shapes formed on the upper face of the pressure plate 5.
  • the latter also has a central circular opening 13, coaxial with the central opening 2 of the fixed plate 1, but of section lower than this.
  • a circular groove 14, corresponding to the layout of the sheets to be cut, is provided in the underside of the pressure plate 5, and opens directly above the opening 2 of the fixed plate 1, as shown in the figure. 3.
  • suction nozzles 16 communicating with an annular channel 17 machined in the pressure plate 5 and capable of being itself placed in communication with a source of vacuum (not shown), open onto the underside of the pressure plate 5.
  • These nozzles 16 are produced by fine holes in a sheet metal closing the annular channel on the underside of the plate 5.
  • the packaging and pleating head 22 is in the form of a circular crown coaxial with the central opening 13 of the pressure plate 5, and of an external diameter less than the diameter of the opening 13.
  • the lower face of this head 22 has a slightly frustoconical general shape and has a radial toothing 23, the suspension lugs 20 are attached to the upper face of the movable head 22 by bent ears 24 so that the operation of the jacks 19 makes it possible to move the movable head 22 through the central opening 13 of the presser plate 5, to bring it to cooperate with a packing head and fixed lower creasing 25.
  • the latter is also in the form of a circular ring coaxial with the central openings 2 and 13 of the fixed plates 1 and presser 5 and the movable head 22. Its external diameter is slightly greater than that of the opening 13 of the presser plate 5, and its upper face, inclined towards its central opening 26, which is the same diameter as the central opening 27 of the movable head 22, has a slightly frustoconical female shape, complementary to the male frustoconical shape of the underside of the movable head 22, as well as a radial toothing 28, complementary with the play of that 23 of the movable head 22,
  • the fixed head 25 is disposed under the fixed plate 1, so that the periphery of its upper face is located in the opening 2.
  • the lower face of the fixed head 25 is extended by a socket in two parts 29 and 30, coaxial with the openings, 2, 13, 26 and 27 respectively of the plates 1 and 5 and the heads 25 and 22, and of the same internal diameter as the openings 26 and 27, and which corresponds to a diameter slightly greater than that of the cylindrical objects to wrap.
  • a ring 31 is rotatably mounted around the upper part 29 of the sleeve, thanks to a bearing 87 supported by a spacer 32 bearing on the edge of a central opening of a fixed upper horizontal deck 33 carried by four uprights 34 plumb with a fixed horizontal lower deck 35.
  • the ring 31 is driven by a belt 36 passing through the groove of a pulley 37 mounted on the axis of a motor 38, suspended under the deck 33.
  • the rotating ring 31 carries a radial arm 39, shown in more detail in FIG. 5.
  • This arm 39 is provided, at its internal end, with a curved foot 40, by which the arm 39 is screwed onto the face upper of the ring 31, and at its outer end, of a support 41, on which a yoke 42 is pivotally mounted about a substantially radial axis 43 perpendicular to the axis of rotation of the ring 31.
  • a roller 44 is rotatably mounted in the yoke 42 around a fixed radial axis 45 and also perpendicular to the 'axis of rotation of the ring 31, so that the roller 44 can roll on a flat ring 47, mounted with play around the ring 31, when the latter is rotated.
  • a cutting blade 46 is secured to the external part of the yoke 42, and points upwards.
  • the flat ring 47 rests by three imprints of its lower face on spherical caps 48 carried at the free upper end of the rods of three jacks 49 suspended from the deck 33 by their cylinders and the flat ring 47 is recalled towards this deck 33 by three tension springs 50.
  • a diaphragm device 51 is located between the two parts 29 and 30 of the sleeve. and fixed under the apron 33.
  • This diaphragm device of the so-called “iris type” is known per se, and comprises a rotary disc provided with slots in spiral portions in each of which engages a stud fixed to a radially movable rod. and ending with a blade, the different blades overlapping in scales, so that in the open position of the diaphragm, these blades are separated and completely clear the axial passage of the sleeve, while in the closed position, the blades determine a limited axial passage.
  • This device well known, and whose rotating disc is moved by a jack, is not shown in detail.
  • a circular support plate 52 of section slightly smaller than that of the sleeve, is carried at the free upper end of the rod of a long-stroke rectilinear axial cylinder 53, the cylinder of which is suspended under the lower apron 35
  • Under the support plate 52 is suspended a flattened counter-rod 54 parallel to the cylinder rod 53, and passing through a lumen 55 formed in the deck 35 and in a stirrup 56, carrying a blocking cylinder 57 capable to immobilize the counter rod 54, and therefore the support plate 52, by the exit of its rod applying a brake piston 58 against a flat part of this counter rod 54, itself clamped against a branch of the stirrup 56.
  • the jack 53 raises the support plate 52 so that its upper surface is at the level of the opening 26 of the fixed packing and pleating head 25, while in the maximum retracted rod position, the upper surface of this support plate 52 is brought to the ni calf of an evacuation slide 59, practically joining the plate 52 by a circular cut.
  • An ejection pusher 60 maneuvered by an ejection cylinder 61, the cylinder of which is clamped on a crosspiece 62 between two uprights 34, allows the transfer onto the evacuation slide 59 of any object carried by the support plate 52 in its lower position.
  • Two lateral forks 63 pivotally mounted about a horizontal and transverse axis 64 by their lower ends, and each retained in a clevis 65 displaced longitudinally ment by a jack 66 articulated on the lower apron 35, surround each of their teeth a stud 67, projecting laterally, of a clamp 68, whose body 69 is sliding longitudinally along two rails 70, whose lower jaw 71 is received in the corresponding groove 3 of the fixed plate 1, and the upper jaw 72 of which carries a jack 73 pinching against the lower jaw 71.
  • the pair of pliers 68 with the forks 63 and the operating jacks 66 constitute an advance device step by step a strip of packaging material introduced between the fixed plates 1 and presser 5, and of which a length useful for cutting a circular packaging sheet is unwound by a transverse rocker 74, pivotally mounted by its lateral arms on fasteners 75 secured to the upper deck 33, and maneuvered by a jack (not shown) in synchronism with a braking device of a unwinding drum 76 mounted on a transverse axis.
  • a bracket 78 supports two rectilinear and parallel jacks, one of which is eccentric and carries, at the free lower end of its rod, a pusher in the form of annular piston 80, capable of being lowered into the bushing to a level slightly below the diaphragm 51, and the other 81 of which is axial and carries at the free lower end of its rod a sealing member 82 which can pass through the annular piston 80, and which is a soldering iron, if the packaging material is heat-sealable, or a label holder of known type, otherwise, which dispenses the labels one by one.
  • the rods of the jacks 79 and 81 pass through their cylinder right through, in two dice 83 are keyed at their upper end. These dice 83 are each provided with a rectangular notch which embraces one side of a vertical rectangular guide bar 84, fixed between the heads of the cylinders of the jacks 79 and 81, so that their rods cannot rotate around them. respective axes.
  • the machine operates as follows: the strip 85 of the flexible packaging material is unwound from the drum 76 passing over a guide roller 77, by the operation of the rocker 74, which releases the brake of the drum 76 while the clamps 68 hold the strip 85 on the fixed plate 1. After a back and forth movement, the rocker 74 has unrolled a length sufficient for cutting a sheet, and this length is driven and held by the step-by-step advance device between the raised pressure plate 5 and the fixed plate 1, while the brake of the drum 76 is applied. The pressing plate 5 is then lowered by the jacks 11 against the band 85 which it clamps on the fixed plate 1, while the movable head 22 remains raised.
  • the suction nozzles 16 press against the pressure plate 5 a portion of the strip 85 covering the opening 2 of the fixed plate 1, so as to tighten the strip 85.
  • the cutting blade 46 driven in rotation with the rotating ring 31 around the fixed head 25, is then lifted by lifting the flat ring 47 controlled by the jacks 49, which causes the blade 46 to pass through the opening 2 of the fixed plate 1, and to engage in the groove 14 of the pressure plate 5, by cutting without burrs in the strip 85 a circular packaging sheet.
  • the jacks 49 and the springs 50 recall the flat ring 47 downwards, which brings the cutting blade 46 back to the rest position, released from the groove 14.
  • the mobile packing and pleating head 22 is then lowered by the jacks 19 onto the fixed head 25. Thanks to its lost-stroke suspension, the mobile head 22, at the end of its travel, only rests by its weight on the head fixed 25 by pinching the sheet on it, without tearing or creasing it.
  • the cooperating teeth 23 and 28 of the packaging and pleating heads 22 and 25 thus initiate pleating of the periphery of the sheet, while the central part of this sheet closes the opening 26 of the fixed head 25, and is located supported by the support plate 52 raised in the high position.
  • An object to be packaged such as a cheese
  • an automatic device for example of the well-known type with suction cup
  • the jack 79 controls then the descent of the annular piston 80, which is applied against the upper face of the object, then pushes it with the sheet that the object covers with its lower face in the socket by pushing the support plate 52 , the jack 53 then being supplied at low pressure.
  • the periphery of the sheet slides between the teeth of the heads 22 and 25, then along the internal lateral surface of the sleeve.
  • the annular piston 80 When the annular piston 80 has completed its entire stroke, the upper face of the object is positioned slightly under the diaphragm 51, and the locking cylinder 57 controls the immobilization of the support plate 52 in the corresponding position.
  • the maximum stroke of the annular piston 80 being defined, it is the thickness of the object which thus determines the position in which the support plate 52 is locked.
  • the annular piston 80 is then removed from the sleeve, and the diaphragm 31 is closed by folding the periphery of the sheet which projects above the object on the upper face of the latter, accentuating the pleating of this already primed sheet. by the cooperating teeth of the heads 22 and 25.
  • the diameter of the axial passage delimited by the closed diaphragm 51 is comparable to that of the annular piston 80, so that the descent of the sealing member, controlled by the jack 81, allows close the closed packaging around the object with the sheet regularly folded and folded over this object.
  • the pleated packaging sheet may be made of heat-sealable plastic, of paper, or of metal (aluminum) coated with such a material. This sheet can also be made of plain paper, and the sealing can then be ensured by the application of a label supplied by a distributor associated with a head. suitable, mounted at the lower end of the cylinder rod 81. It is also possible that a label is deposited on the heat-sealed closure of the packaging.
  • the sealing member 82 is raised to the initial position, and the movable head 22 and the pressure plate 5 can also be raised to the initial position, following a stroke which, although small (for example 10 mm), is clearly sufficient for the step-by-step advance device to be able to position and block on the fixed plate 1 a new length of strip of packaging material, previously unwound by the rocker 74, and necessary for cutting a new sheet, the cut strip 85 being taken up by a friction reel or force limiter drum (not shown) driven in rotation.
  • the blocking cylinder 57 releases the counter rod 54 and the support plate 52 is brought back by the cylinder 53 to the lower position (shown in dotted lines in FIG. 2).
  • the ejection cylinder 61 then operates the ejection pusher 60, which transfers the packaged object 86 to the evacuation slide 59, then returns to the initial position, and the support plate 52 is then brought back to the high position, at the opening 26 of the head 25 for a new cycle.
  • the invention is not limited to the embodiment which has just been described. It is possible, for example, to replace the jaw clamps of the step-by-step advancement device with clamps with electromagnetic operation and movable back and forth along the grooves 3 of the fixed plate 1. In known manner, these clamps can also be replaced by intermittently rotating rollers. Similarly, the movement of the flat ring 47 can be ensured by a fork control. It should be noted that the vertical displacement bringing the cutting blade into the cutting position can also be ensured by an electromagnet disposed on the radial arm driven by the rotating ring or by a small jack, for example pneumatic. In addition, the automatic object feeding device which can be associated with the machine, must be adapted to the nature and consistency of the objects. For hard objects.
  • a clamp device such as that described and represented in FIGS. 1 and 3 in French patent No. 2,217,215 in the name of the Applicant, can perfectly replace the suction cup device for transferring objects from a feed conveyor to the packing and pleating heads 22 and 25.
  • a bucket and gripper device as described and shown in the figures in French patent No. 2,412,463, also in the name, will be used. Applicant.
  • the machine according to the present invention makes it possible, on a single station, to cut the packaging sheets and to pack the objects in these sheets. It is possible, by means of the machine according to the present invention, to pack not only products such as cheeses, tapes of sticky paper or of typewriter, or deodorant blocks already mentioned, but also to pack in pleated sheets, possibly transparencies, pots, boxes and other fragile objects made of glass, earth, sandstone, in particular to protect their labeling or closures.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Packaging Of Special Articles (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Wrapping Of Specific Fragile Articles (AREA)
  • Making Paper Articles (AREA)
  • Wrappers (AREA)
  • Basic Packing Technique (AREA)

Claims (13)

1. Maschine zum Verpacken von im wesentlichen zylinderförmigen Gegenständen in Blättern, die jeweils längs einer geschlossenen, vorzugsweise kreisförmigen Kontur von einem Band (85) aus weichem Verpackungsmaterial herausgeschnitten sind, und zwar mit einem festen Verpackungskopf (25) und einem beweglichen Verpackungskopf (22), die die Form zweier Kronen mit gemeinsamer Achse aufweisen und zwischen denen ein Verpackungsblatt verklemmbar ist, wenn der bewegliche Kopf (22) gegen den festen Kopf (25) verfahren wird, wobei deren zentrale Öffnungen (26, 27) koaxial verlaufen und zumindest eine Buchse (29, 30) in der Verlängerung der zentralen Öffnung (26) des festen Verpackungskopfes (25) angeordnet und an derjenigen Seite des Letzteren angesetzt ist, die nicht dem beweglichen Verpackungskopf (22) zugewandt ist, wobei des weiteren ein beweglicher Stößel (80) es gestattet, einen zu verpackenden Gegenstand und das Blatt, auf dem er liegt, in das Innere der Buchse (29, 30) zu schieben, bis zu einer Druckplatte (52), die sich senkrecht zur Achse der Buchse (29, 30) erstreckt, wobei des weiteren eine Blendenvorrichtung (51) vorgesehen ist, die es durch teilweisen Verschluß der Buchse (29, 30) gestattet, das Verpackungsblatt auf eine der Seiten des auf der Druckplatte (52) ruhenden Gegenstandes umzuschlagen, wobei ein Verschlußorgan (52) in die Buchse (29, 30) einführbar und durch die Blende (51) hindurch gegen denjenigen Teil des Verpackungsblattes heranführbar ist, der um den auf der Druckplatte (52) ruhenden Gegenstand herumgeschlagen ist, nachdem der bewegliche Stößel (80) aus der Buchse (29, 30) zurückgefahren worden ist, dadurch gekennzeichnet, daß die Maschine außerdem folgende Teile aufweist : Einerseits zum Zusammendrücken des Bandes (85) aus weichem Verpackungsmaterial eine feste Platte (1), die eine zentrale Öffnung (2) mit einer Form aufweist, die der Blattkontur entspricht und deren Querschnitt etwas größer als die der zu schneidenden Blätter ist, sowie eine bewegliche Druckplatte (5), die parallel zur festen Platte (1) verläuft und an der ihr zugewandten Seite eine Nut (14) mit der Form der Blattkontur aufweist, wobei diese Nut der zentralen Öffnung (2) der festen Platte (1) zugewandt ist, wenn die Druckplatte (5) gegen Letztere verfahren wird, wobei die Druckplatte (5) innerhalb der Nut (14) gleichermaßen eine zentrale Öffnung (13) aufweist, die dem beweglichen Verpackungskopf (22) die Passage gestattet, und andererseits zum Abschneiden eines Blattes aus einem zwischen der festen Platte (1) und der Druckplatte (5) eingespannten Band (85) eine Baugruppe (31, 39), die längs der Blattkontur um den festen Verpackungskopf (25) bewegbar ist, wobei sie in das Innere der zentralen Bohrung (2) der festen Platte (1) eingreift, und ein Schnittwerkzeug (46), das von der beweglichen Baugruppe (31, 39) getragen wird und senkrecht zur festen Platte (1) und zur Druckplatte (5) verfahrbar ist, und zwar zwischen einer Schnittposition, bei der das Werkzeug (46) die zentrale Öffnung (2) der festen Platte (1) durchquert und in die Nut (14) der Druckplatte (5) hineinragt und einer Ruhestellung, bei der das Werkzeug (46) sich zumindest außerhalb der Nut (14) der Druckplatte (5) befindet.
2. Maschine nach Anspruch 1, dadurch gekennzeichnet, daß die Nut (14) kreisförmig ist und daß die bewegliche Baugruppe einen Drehring (31) aufweist, der drehbar um die Buchse (29, 30) gelagert ist und einen sich radial erstreckenden Arm (39) aufweist, an dessen äußerem Ende das Schnittwerkzeug (46) montiert ist.
3. Maschine nach Anspruch 2, dadurch gekennzeichnet, daß das Schnittwerkzeug (46) mit einem Gelenk (42) verbunden ist, das um eine radiale Achse (43) senkrecht zur Rotationsachse des Drehringes (31) drehbar am äußeren Ende des radialen Armes (39) montiert ist und daß eine um eine zweite radiale Achse (45) senkrecht zur Rotationsachse des Drehringes (31) drehbar am Gelenk (42) montierte Rolle (44) auf einem Ring (47) abläuft, mit Spiel den Drehring (31) umgreift und translatorisch längs der Rotationsachse des Drehringes (31) verstellbar ist, um die Position des Schnittwerkzeuges (46) zu steuern.
4. Maschine nach Anspruch 3, dadurch gekennzeichnet, daß der Ring (47) an zumindest drei Stützstellen auf ebenso vielen Kugelkalotten (48) ruht, die ihrerseits von den Stangen von Hubvorrichtungen (49) zur Steuerung der axialen Translationsbewegungen des Ringes (47) getragen werden, der seinerseits elastisch gegenüber den Hubvorrichtungen (49) verspannt ist.
5. Maschine nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Druckplatte (5) an ihrer der festen Platte (1) zugewandten Seite und zwischen ihrer Nut (14) und ihrer zentralen Öffnung (13) mehrere Blasdüsen (16) aufweist, die zumindest in einen Ringkanal (17) münden, der mit einer Unterdruckquelle in Verbindung steht, um einen Teil des Bandes (85) aus weichem Verpackungsmaterial, der die zentrale Öffnung (2) der festen Platte (1) verschließt, gegen die Druckplatte (5) plattzudrücken, während der Ausschnitt eines Blattes erfolgt.
6. Maschine nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß das Band (85) aus nachgiebigem Material schrittweise mittels einer Vorschubeinrichtung gehalten und verfahren wird, und zwar zwischen der festen Platte (1) und der Druckplatte (5), wobei die Vorschubvorrichtung zumindest ein Paar Spannbacken (68) aufweist, die auf Führungen (70) entlang der festen Platte (1) verfahrbar sind mittels zumindest einer Gabel (63), die schwenkbar um eine Querachse (64) in Richtung des Bandvorschubes auf der festen Platte (1) gelagert und durch ein ZylinderKolben-Aggregat (66) zu betätigen ist.
7. Maschine nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die einander zuge-' wandten Seiten der Verpackungsköpfe (22, 25) mit komplementären Radialverzahnungen (23, 28) versehen sind, um in dem von ihnen eingespannten Blatt eine Faltung einzuprägen, derart, daß der Gegenstand mit einem an seinem außeren Rand gefalteten Blatt verpackt wird, wobei die gemeinsame Achse der Verpackungsköpfe (22, 25) und der Buchse (29, 30) vertikal ist und sich der bewegliche Kopf (22) oberhalb des festen Kopfes (25) befindet, ebenso wie die Druckplatte (5) oberhalb der festen Platte (1) angeordnet ist.
8. Maschine nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß der bewegliche Verpackungskopf (22) fliehend an den Stangen von Hubvorrichtungen (19) aufgehängt ist, die ihrerseits an Armen (18) montiert sind, die mit der Druckplatte (5) verbunden sind, wobei die Verbindung zwischen dem Kopf (22) und den Hubvorrichtungen (19) über einander entgegengerichtete Arme (20) erfolgt, wobei Öffnungen gebildet werden, die von den Stangen der Hubvorrichtungen (19) durchquert werden und wobei deren Enden Mitnehmer (21) für die Arme (20) aufweisen, die ihrerseits gegenwinklig mit einem Versatz (24) nach unten abgebogen sind, un mit derjenigen Seite des beweglichen Kopfes (22) verbunden zu sein, die dem festen Kopf (25) abgewandt ist.
9. Maschine nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die Druckplatte (5) entlang von Führungen (4) verschiebbar montiert ist, wobei diese die feste Platte (1) mit festen Traversen (8) verbinden, die Hubvorrichtungen (11) tragen zur Steuerung der Verschiebungen der Druckplatte (5) gegen die feste Platte (1) mittels ihrer Stangen, die an ihrem freien Ende mit Kugelkalotten (12) versehen sind, die mit entsprechenden Einprägungen der Druckplatte (5) zusammenwirken, die ihrerseits elastisch durch Federn (10) gegen die festen Traversen (8) verspannt ist, wobei einerseits Druck auf die feste Platte (1), andererseits auf den Boden der Büchsen (7) ausgeübt wird, die von seitlichen Armen (6) der Druckplatte (5) gehalten werden und in einer Gleitführung von den Säulen (4) durchquert werden.
10. Maschine nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß die am Ende einer Stange der Hubvorrichtung (53) montierte Druckplatte (52) durch Letztere in die Buchse (29, 30) eingeführt werden kann, bis seine Druckfläche in der Höhe der zentralen Öffnung (26) des festen Verpackungskopfes (25) liegt, daß sie dann durch den beweglichen Stößel (80) mit dem Gegenstand weiter verschoben werden kann und die Verschiebebewegung dadurch begrenzt wird, daß der Gegenstand in die Büchse (29, 30) eingeführt wird bis zur Blendenvorrichtung (51), wobei die Stützplatte (52) in dieser Stellung durch ein Blockiersystem (56, 57) festgehalten wird, solange die Blendenvorrichtung (51) und das Verbindungs- bzw. Versiegelungsorgan (82) in Betrieb sind und daß sie sodann verschoben wird, um das verpackte Objekt aus der Buchse (29, 30) herauszuschieben und es auf der Bahn eines Auswurforganes (60, 61) abzulegen, die es zu einer Abführstation (59) befördert.
11. Maschine nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß der bewegliche Stößel (80) die Form eines ringförmigen Kolbens aufweist, der von einer Hubvorrichtung (79) verfahren wird, die ihrerseits exzentrisch zur Achse der Verpackungsköpfe (22 bis 25) angeordnet ist, wobei das Verbindungs- bzw. Versiegelungsorgan (82) axial durch den ringförmigen Kolben (80) hindurch verschiebbar ist, und zwar mittels einer axialen Hubvorrichtung (81), die parallel zur exzentrisch angeordneten Hubvorrichtung (79) verläuft.
12. Maschine nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß das Verbindungs- bzw. Versiegelungsorgan (82) ein Schweißkopf für thermoplastische Materialien ist.
13. Maschine nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, daß sie einen Etikettierkopf aufweist, der durch eine axiale Hubvorrichtung (81) betätigt wird und den verpackten Gegenstand verschließt.
EP82400121A 1981-01-26 1982-01-22 Maschine zum Verpacken von zylinderförmigen Artikeln in kreisförmigen Zuschnitten, geformt aus Bahnen von thermoplastischem Verpackungsmaterial Expired EP0057144B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82400121T ATE13649T1 (de) 1981-01-26 1982-01-22 Maschine zum verpacken von zylinderfoermigen artikeln in kreisfoermigen zuschnitten, geformt aus bahnen von thermoplastischem verpackungsmaterial.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8101366 1981-01-26
FR8101366A FR2498557B1 (fr) 1981-01-26 1981-01-26 Machine a emballer des objets de forme sensiblement cylindrique dans des feuilles decoupees selon un contour ferme dans des bandes d'un materiau souple d'emballage

Publications (3)

Publication Number Publication Date
EP0057144A2 EP0057144A2 (de) 1982-08-04
EP0057144A3 EP0057144A3 (en) 1982-08-18
EP0057144B1 true EP0057144B1 (de) 1985-06-05

Family

ID=9254488

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82400121A Expired EP0057144B1 (de) 1981-01-26 1982-01-22 Maschine zum Verpacken von zylinderförmigen Artikeln in kreisförmigen Zuschnitten, geformt aus Bahnen von thermoplastischem Verpackungsmaterial

Country Status (5)

Country Link
EP (1) EP0057144B1 (de)
AT (1) ATE13649T1 (de)
DE (1) DE3263959D1 (de)
ES (1) ES509032A0 (de)
FR (1) FR2498557B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2665653B1 (de) 2011-01-21 2016-10-12 Soremartec S.A. Verfahren und vorrichtung zum verpacken eines produkts in einer abgedichteten verpackung oder einem folienmaterial

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2584334B1 (fr) * 1985-07-05 1989-09-01 Evrard Jacques Machine a decouper les feuilles minces en disques
GB2247222A (en) * 1990-07-24 1992-02-26 Portals Eng Ltd Wrapping articles in sheet material
ES2049599B1 (es) * 1991-10-04 1996-10-16 Ser Gonzalez Clemente Del "maquina envolvedora de productos horticolas"
FR2730212A1 (fr) * 1995-02-07 1996-08-09 Ix Manu Sa Machine d'emballage de produits individuels, installation de conditionnement et application correspondantes
KR101086571B1 (ko) * 2011-01-20 2011-11-23 우영관 부재 플레이트의 프레스 타발 및 포장 장치
CN103144789B (zh) * 2013-03-13 2014-11-26 宁波舜宇光电信息有限公司 一种包铜箔作业的辅助治具及其包装方法
CN103847995B (zh) * 2014-02-24 2016-02-03 昆山安拓达自动化技术有限公司 一种包铜箔机
CN105173163B (zh) * 2015-10-12 2017-04-05 天津津树达机械有限公司 薄膜包装机
CN114919812B (zh) * 2022-06-09 2023-11-03 上海尚翱科技有限公司 一种茶饼自动化包装线
CN117018883B (zh) * 2023-08-16 2024-04-19 深圳市爱玛特科技有限公司 一种多壁碳纳米管复合超滤膜的制作工艺

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB162531A (en) * 1920-04-20 1921-05-05 Forgrove Mach Improvements in or relating to tablet-wrapping machines
US2656659A (en) * 1950-12-26 1953-10-27 Paper Art Company Inc Bulk paper plate wrapping machine
GB710500A (en) * 1951-03-09 1954-06-16 Rose Brothers Ltd Improvements in wrapping machines
FR2112734A5 (en) * 1970-11-06 1972-06-23 Evrard Jacques Thin plastic films - are cut to produce discs using orbiting cutter blade
FR2217215A1 (de) * 1973-02-13 1974-09-06 Evrard Jacques
FR2225336B1 (de) * 1973-04-11 1977-08-05 Evrard Jacques

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2665653B1 (de) 2011-01-21 2016-10-12 Soremartec S.A. Verfahren und vorrichtung zum verpacken eines produkts in einer abgedichteten verpackung oder einem folienmaterial

Also Published As

Publication number Publication date
ES8301807A1 (es) 1983-01-01
EP0057144A3 (en) 1982-08-18
DE3263959D1 (en) 1985-07-11
ES509032A0 (es) 1983-01-01
ATE13649T1 (de) 1985-06-15
FR2498557A1 (fr) 1982-07-30
EP0057144A2 (de) 1982-08-04
FR2498557B1 (fr) 1985-11-08

Similar Documents

Publication Publication Date Title
EP0295203B1 (de) Verfahren zum Verpacken eines Produkts und Vorrichtung zur Ausübung des Verfahrens
EP0057144B1 (de) Maschine zum Verpacken von zylinderförmigen Artikeln in kreisförmigen Zuschnitten, geformt aus Bahnen von thermoplastischem Verpackungsmaterial
US5463841A (en) Unwrapping apparatus for stretch-wrapped load and shrink-wrapped load
FR2558438A1 (fr) Produit conditionne et procede et appareil de conditionnement d'articles
EP0630813A1 (de) Vorrichtung zum Handhaben und Halten des freien Endes einer Folie in einer Folien-Einwickelmaschine
EP1312548B1 (de) Vorrichtung zum Ausschneiden einer Reihe von Membranverschlüssen aus einer Bahn und zur Fixierung dieser auf einer Reihe von gefüllten Behältern
JPS5940684B2 (ja) ロ−ル包装装置
FR2893005A1 (fr) Procede et machine de preparation et de depose d'un manchon d'emballage sur une charge palettisee.
EP0752375B1 (de) Verfahren und Maschine zum Ausstatten einer Verpackung aus einer zerreissbaren Folie mit einer leicht zu öffnenden Vorrichtung
FR2608556A1 (fr) Appareil pour plier et fermer un flan de materiau d'emballage autour d'un objet a emballer
EP0559512B1 (de) Vorrichtung zum Verschliessen von Behältern durch Heisssiegeln von Deckeln und Anlage mit einer solchen Vorrichtung
EP1832413A1 (de) Verfahren und Vorrichtung zur Herstellung von Kartonverpackungen mit variablem Volumen
EP0000851B1 (de) Automatische Vorrichtung zum Zerteilen eines thermoplastischen Schlauches und zum Überziehen von Behältern mittels dieser Schlauchteilen
FR2501628A1 (fr) Procede et dispositif pour ouvrir et charger des recipients flexibles
FR3057204A1 (fr) Machine pour la production de recipients en boite a fond et/ou couvercle composes d'une base semblable a un disque et d'une surface laterale definie par une bande ou ceinture raccordee au perimetre de la base semblable a un disque
FR2765191A1 (fr) Procede et machine de collage automatique d'un film plastique thermoretractable sur le fond d'une caisse ouverte
EP0069011B1 (de) Vorrichtung zum Anbringen und Zentrieren eines thermoplastischen Schlauches um Gegenstände durch ein vertikales mit schwebenden Dorn versehenes Element
EP0146482A1 (de) Verfahren und Vorrichtung zum Anbringen von Griffen oder Versteifungselementen auf schlauchartigen Bändern
EP0202998A1 (de) Verfahren und Vorrichtung zum Aufrichten und teilweise Verschliessen von Kisten oder Faltschachteln aus Karton
FR2518052A1 (fr) Machine et procede pour produire des emballages du type sac
EP2511188B1 (de) Maschine und Verfahren zum Verpacken von länglichen Lebensmittelprodukten in Beutel, und entsprechender Verpackungsbeutel
EP0331596B1 (de) Verfahren zum automatischen Herstellen von einem mit einem Etikett bekleideten Behälter, insbesondere Behälter mit rundem Querschnitt, und Vorrichtung zur Durchführung dieses Verfahrens
EP0004631B1 (de) Verpackungsvorrichtung und -verfahren
EP0340093B1 (de) Aufreissvorrichtung zur Öffnung eines Verpackungsumschlages, bestimmt für ein pastöses Produkt
FR2639611A1 (fr) Dispositif de pose de coiffe sur une charge emballee par banderolage

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Designated state(s): AT CH DE GB IT NL

AK Designated contracting states

Designated state(s): AT CH DE GB IT NL

17P Request for examination filed

Effective date: 19830210

ITF It: translation for a ep patent filed
GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Designated state(s): AT CH DE GB IT LI NL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Effective date: 19850605

Ref country code: AT

Effective date: 19850605

REF Corresponds to:

Ref document number: 13649

Country of ref document: AT

Date of ref document: 19850615

Kind code of ref document: T

REF Corresponds to:

Ref document number: 3263959

Country of ref document: DE

Date of ref document: 19850711

NLV1 Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Effective date: 19860131

Ref country code: CH

Effective date: 19860131

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

GBPC Gb: european patent ceased through non-payment of renewal fee
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Effective date: 19881121

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19891003