EP0376806A1 - Verfahren zum Ummanteln von zusammengebauten Schachtelteilen und Einrichtung zur Durchführung dieses Verfahrens - Google Patents

Verfahren zum Ummanteln von zusammengebauten Schachtelteilen und Einrichtung zur Durchführung dieses Verfahrens Download PDF

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Publication number
EP0376806A1
EP0376806A1 EP89403584A EP89403584A EP0376806A1 EP 0376806 A1 EP0376806 A1 EP 0376806A1 EP 89403584 A EP89403584 A EP 89403584A EP 89403584 A EP89403584 A EP 89403584A EP 0376806 A1 EP0376806 A1 EP 0376806A1
Authority
EP
European Patent Office
Prior art keywords
box
station
sheet
stations
covering
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.)
Withdrawn
Application number
EP89403584A
Other languages
English (en)
French (fr)
Inventor
Gérard Megret
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.)
Albea Services SAS
Original Assignee
Techpack International SA
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 Techpack International SA filed Critical Techpack International SA
Publication of EP0376806A1 publication Critical patent/EP0376806A1/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/60—Uniting opposed surfaces or edges; Taping
    • B31B50/72—Uniting opposed surfaces or edges; Taping by applying and securing strips or sheets
    • B31B50/722—Uniting opposed surfaces or edges; Taping by applying and securing strips or sheets on already formed boxes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2105/00—Rigid or semi-rigid containers made by assembling separate sheets, blanks or webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2105/00—Rigid or semi-rigid containers made by assembling separate sheets, blanks or webs
    • B31B2105/002—Making boxes characterised by the shape of the blanks from which they are formed
    • B31B2105/0024—Making boxes having all side walls attached to the bottom
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2110/00—Shape of rigid or semi-rigid containers
    • B31B2110/30—Shape of rigid or semi-rigid containers having a polygonal cross section
    • B31B2110/35—Shape of rigid or semi-rigid containers having a polygonal cross section rectangular, e.g. square
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2120/00—Construction of rigid or semi-rigid containers
    • B31B2120/50—Construction of rigid or semi-rigid containers covered or externally reinforced
    • B31B2120/501—Construction of rigid or semi-rigid containers covered or externally reinforced by applying wrapping material only on the side wall part of a box
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2160/00—Shape of flexible containers
    • B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/02—Feeding or positioning sheets, blanks or webs
    • B31B50/04—Feeding sheets or blanks
    • B31B50/06—Feeding sheets or blanks from stacks
    • B31B50/066—Feeding sheets or blanks from stacks from above a magazine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/02—Feeding or positioning sheets, blanks or webs
    • B31B50/04—Feeding sheets or blanks
    • B31B50/07—Feeding sheets or blanks by air pressure or suction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/26—Folding sheets, blanks or webs
    • B31B50/44—Folding sheets, blanks or webs by plungers moving through folding dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/26—Folding sheets, blanks or webs
    • B31B50/52—Folding sheets, blanks or webs by reciprocating or oscillating members, e.g. fingers

Definitions

  • the present invention relates to a method of covering elements of boxes mounted in cardboard or similar materials, as well as an installation for implementing this method.
  • a mounted box consists of two complementary box elements commonly called “sachets", one of which constitutes the bottom element and the other the top element, the two elements being able to be joined by fitting of the top element onto the bottom element.
  • Each box element in the assembled state has the shape of a parallelepiped open on one side comprising a bottom and four side walls projecting at right angles to this bottom.
  • Each box element is produced by mounting a cardboard cutout and by covering this cutout mounted with a glued cover sheet.
  • the covering of a mounted box element consists - to glue on one side a covering sheet cut out so as to present, depending on the shape of the box element to be dressed, a central part and lateral parts intended to respectively cover the external face of the bottom of the box element, the outside face of the side walls and at least part of the height of the inside face of the side walls of the box element, - bringing the glued sheet into contact with the box element so that the central part of the sheet adheres to the bottom of the box element, - folding some of the side parts of the sheet against the outside of some of the side walls of the box element, - folding two opposite ears projecting from each of said lateral parts of the sheet against the outside face of the other lateral walls of the box element; - folding the projecting end of each of said side walls of the sheet against the inner face of said side walls of the box element, - folding the other side parts of the sheet against the outside face of said other side walls of the box element, and - Folding the projecting end of each of said other lateral parts of the sheet against
  • the covering sheets are taken one by one from a sheet reserve and pass under a sizing roller which glues the upper face of the sheets, the sheets thus sizing being deposited on a conveyor, for example a conveyor belt, which brings them, the glued side turned upwards, towards the dressing station.
  • Box elements beforehand mounted on the "QUAD" type mounting machine are placed, between the gluing station and the dressing station, on the covering sheets thus glued, either manually or automatically. In the first case, an operator must seize the box elements one by one and place them by centering them on the glued sheets, which constitutes tedious and tiring work.
  • the dressing machine is equipped with a transfer and centering system by which the previously assembled box elements are seized one by one and are placed on the covering sheets glued with centering by means of an automatic system comprising means for detecting the position of each covering sheet on the conveyor belt (photoelectric cells) and means for positioning along two axes (servomotors).
  • an automatic system comprising means for detecting the position of each covering sheet on the conveyor belt (photoelectric cells) and means for positioning along two axes (servomotors).
  • Another disadvantage of known dressing machines consists in the fact that all the phases of dressing of the box elements using the covering sheets (folding, folding down) are carried out successively at the same station, which limits the rate and considerably reduces the possibilities of adjustment with a view to adapting to different shapes and to different dimensions of the box elements.
  • these known machines can only dress rectangular box elements with very precise restrictions in the dimensions of the box elements and in particular in the height of the side walls of the box elements.
  • known machines have restrictions with regard to the materials which may be used for the covering sheets, in particular due to the limited choice of glues which may be used on these machines.
  • the sizing of the covering sheets often leaves something to be desired and in particular causes thickening or beads of glue on the edges of the sheets, which can cause staining of the conveyor belt with glue (therefore the need to constantly clean the carpet) and / or traces of glue on the elements of dressed boxes (need to check the elements of dressed boxes and placing discard and / or cleaning of defective box elements).
  • the subject of the present invention is a method and an installation for dressing elements of mounted boxes making it possible to dress with precision and at a high rate elements of boxes of the most varied shapes and dimensions.
  • the subject of the invention is also a method and an installation for covering the elements of mounted boxes allowing uniform and precise gluing of the covering sheets without risk of soiling the installation and / or of the dressed box elements.
  • the subject of the invention is also a method of covering mounted boxes making it possible to use covering sheets made of the most diverse materials.
  • the process according to the invention for covering elements of boxes mounted in cardboard or similar materials consists successively - to be glued on one side of the covering sheets cut so as to present each, according to the shape of the elements of boxes to be dressed, a central part and lateral parts intended to respectively cover the external face of the bottom of the element box, the outside face of the side walls and at least part of the height of the inside face of the side walls of the box element, - Bringing the glued sheets in contact with the box elements so that the central part of the sheets adheres to the bottom of the box elements; - folding some of the side parts of the sheets against the outside face of some of the outside side walls of some of the side walls of the box elements; - folding two opposite ears projecting from each of said lateral parts of the sheets against the outside of the others side walls of box elements; - Folding the projecting end of each of said lateral parts of the sheets against the inner face of said lateral walls of the box elements; - folding the other side parts of the sheets against the outside face of said other side walls of the box elements
  • each box element mounted on a support which is designed so as to receive the box element in a well-defined position and is movable between several spaced-apart stations, including a transfer station, the support being immobilized. at each station in a well-defined position.
  • the cover sheets are taken from a reserve of sheets in which they occupy a well-defined position relative to the immobilization position of the support at the transfer station, and are glued and brought one to said transfer station in a transfer position well defined relative to the immobilization position of the support to said transfer station.
  • Each sheet is placed in said transfer position on the box element carried by said support located in said immobilization position at the transfer station, so that the central part of the sheet is placed and adhered to the bottom of the box element.
  • the support is moved with the box element and the sheet adhering to the latter at successive positions where it is immobilized each time in a well-defined position for the successive execution of the folding and folding operations of the lateral parts of the sheet against the side walls of the box member.
  • the box element to be dressed is fitted, the side walls being oriented downwards, on a form mounted on a carriage which is movable on a transport path and can be immobilized at the various stations distributed along this path. transport.
  • the sheets are removed and maintained from the picking position to the transfer position on the box element using a reciprocating suction box between the picking position and the transfer position.
  • the suction box carrying the covering sheet is animated with a speed of movement greater than the circumferential speed of the glue roller.
  • an adhesive of the self-adhesive type that is to say an adhesive having a permanent adhesion power.
  • the installation for implementing the method according to the invention comprises a reserve of covering sheets, means for gluing covering sheets on one side, means for bringing the covering sheets pasted by their central part in contact with the bottom of the box elements, and covering means for folding and folding the side parts of the sheets around the side walls of the box elements.
  • this installation comprises a conveyor comprising a transport path, supports for the box elements, mobile on said path, and means for immobilizing the supports on said path in several well determined positions.
  • This installation further comprises several successive stations corresponding to said positions and comprising a transfer station and several dressing stations distributed along the transport path.
  • the installation further comprises a reserve of sheets with guide means for maintaining a stack of superimposed sheets in a well-defined position in the reserve.
  • the installation also includes a glue roller disposed between said supply of sheets and said transfer station on the transport path.
  • the installation comprises moving means back and forth between a picking position and a transfer position for picking up the sheets one by one from the sheet reserve, passing each sheet taken from said glue roller, l 'bring it to a well-defined position at the transfer station and place it in this position on the box element carried by the support immobilized at the transfer station.
  • the installation includes means for controlling the phases of - immobilization of a support with a box element at the transfer station, - removal of a covering sheet in the reserve, gluing of this sheet, brought from the glued sheet to the transfer station, and laying of the sheet on the box element carried by the support immobilized at this station, and - Advance of this support with the box element and the sheet successively at the following stations, immobilization of the support at each of said stations and execution of the folding, folding and the like operations of the lateral parts of the covering sheet on the walls on the side parts of the box element.
  • the means for picking up the sheets and moving the sheets from the picking position to the transfer position comprise a suction box mounted with vertical mobility on a carriage moving horizontally back and forth
  • the control means comprise means for controlling the horizontal movements of the carriage and the vertical movements of the box as well as the operation of the latter, namely at each sampling-gluing-transfer cycle so as to: - start and lower the box on the sheet reserve, - reassemble the box above the sheet reserve, - move the trolley towards the transfer station, - lower the box above the glue roller, - reassemble the box after the glue roller, - stop the truck at the transfer station, lower the box and stop the box, - reassemble the box, and - return the trolley to the sampling station.
  • the glue roller cooperates with a lower roller rotating at a lower circumferential speed than that of the glue roller, the glue being sent from a reservoir by a circulation pump between the two rollers and the excess glue being brought back by a recovery tank in the tank.
  • each support comprises, on a carriage, a shape composed of two superimposed blocks, the upper block being movable vertically relative to the lower block which is fixed on the carriage and provided with a vertical hole for the passage of the rod d 'A cylinder installed below the conveyor at the positions involving a folding inward of the projecting end of the folded side parts of the covering sheets.
  • each station can be doubled, the two stations of each of the doubled stations being arranged one behind the other along the way transport and being served by two successive supports.
  • a box element mounted parallelepiped intended to be dressed with a covering sheet 2 is formed from a flat cardboard blank comprising a rectangular bottom 3, two first side parts 4 articulated on two opposite sides of the bottom 3 and two second opposite lateral parts 5 articulated on the two other opposite sides of the bottom 3.
  • the lateral parts 4 and 5 constituting in the assembled state the side walls are maintained in the assembled position of the element of box using four pieces of adhesive tape 6 connecting the side walls 4, 5 to each other at the corners of the mounted box element.
  • the covering sheet 2 is constituted by a cutout of paper or of similar material defining a rectangular central part 7 and two pairs of opposite lateral parts 8, 9.
  • the dimensions of the central part 7 are identical to the dimensions exterior of the bottom 3 of the box element 1 and that the side parts 8, 9 have, perpendicular to the lines which connect them to the central part 7, a dimension greater than the corresponding dimension of the side walls 4, 5 of the element of box 1.
  • the lateral parts 9 of the covering sheet 2 have, parallel to the lines connecting them to the central part 7, the same dimension as the latter, while the other two lateral parts 8 have, parallel to the lines which connect them to the central part 7, a larger dimension than the latter.
  • FIGS. 1 and 2 therefore makes it possible to define on each lateral part 8 a zone 8 a intended to dress the external face of the corresponding side wall 4 of the box element 1, an overhanging end 8 b intended to be folded against the inner face of the corresponding side wall 4, and two ears 8 c intended to be folded against the outer face of the other side walls 5 of the box element 1 to dress and consolidate the angles of the box.
  • Each side part 9 of the covering sheet 2 comprises, for its part, a zone 9 a intended to be applied against the external face of the corresponding side wall 5 of the box element 1, and an overhanging end 9 b intended to be folded against the inner face of the wall 5 in question.
  • the covering installation according to the invention comprises a transport path 10 on which are movable in a closed circuit supports 11 carrying forms 12 intended to receive the box elements l to be dressed.
  • the transport path 10 serves a number of successive stations, namely, in the example of FIG. 3, a station 13 for loading the elements of boxes 1 on the supports 11, a station 14 for transferring the covering sheets 2 glued to the box elements 1 carried by the supports 11, four successive dressing stations 15, 16, 17 and 18 and finally a station 19 for unloading the box elements 1 dressed.
  • the transport path 10 comprises drive means 20 constituted for example by drive belts by which the supports 11 constituting trolleys in the form of a tray are driven along the path 10 while being guided by fingers or pins provided on their underside to cooperate with guide grooves 21 formed in the transport path 10.
  • the belts 20 can be driven continuously, the supports 11 being stopped at each station by stop means 22 controlled and, after having been stopped, immobilized in position and kept out of contact with the belts 20 by locking means 23 controlled, provided on both sides other of the transport path 10 and cooperating with grooves 24 with oblique sides of the supports so as to lift, when they are ordered, the supports 11 to keep them out of engagement with the belts 20.
  • the shape 12 on which the box elements 1 are brought to the loading station 13, so that the side walls 4, 5 protrude downward on the bottom 3 consist of a lower plate 12 has rigidly mounted, in the raised position, on the support 11, and an upper plate 12 b .
  • the two rectangular plates 12 a , 12 b for example made of wood, have a length and a width substantially equal to the internal length and the internal width of the box elements 1, the upper plate 12 b having, moreover, a thickness lower than the height of the side walls 4, 5 of the box elements 1.
  • the upper plate 12 b carries, on its lower face, two small magnets 25 a cooperating with two metal screw heads 25 b provided on the upper face of the plate lower 12 a , which immobilizes the upper plate 12 b relative to the lower plate 12 a when it is applied to the latter.
  • the lower plate 12 a is provided in its center with a vertical passage hole 26 a aligned with a passage hole 26 b of the support 11, for a purpose which will appear subsequently.
  • the loading of the box elements 1 on the forms 12 of the supports 11 at the loading station 13 and the unloading of the elements boxes 1 dressed at the unloading station 19 can be done, either manually, or by handling systems which are not within the scope of the present invention and will not be described below.
  • the transfer station 14 to which the glued covering sheets 2 are attached by their central part 7 to the bottom of the box elements 1 is part of a gluing device 27 shown in more detail in FIG. 5 and essentially comprising a sheet reserve 28, a sizing system 29 and a carriage 30 movable horizontally back and forth between the sheet reserve 28 and the transfer station 14 passing to the sizing station 29 disposed between the reserve 28 and the transfer station 14.
  • the reserve of covering sheets 28 comprises vertical guides 31 arranged for example at the four corners of the sheets 2 so as to precisely guide the stack of sheets 32.
  • the stack of sheets 32 is supported by a plate 33 movable vertically under the action of a stepping motor 34 acting on a nut 35 engaged with a threaded rod 36 supporting the plate 33.
  • the stepping motor 34 can be controlled for example by a counter detecting each movement back and forth of the carriage 30 to advance the motor 34 by one step and, therefore, raise the plate 33, therefore also the sheet stack 32, by a notch after removal of a predetermined number of stack sheets 32.
  • the carriage 30, the reciprocating movement between the sheet reserve 28 and the transfer station 14 is controlled by means not shown in detail, for example a jack 37 acting on an endless chain coupled to the carriage 30 is guided horizontally by fixed slides 37 a .
  • a suction box 38 is mounted below the carriage 30, the box 38 being movable vertically under the action of a jack 39 relative to the carriage 30, being guided on slides 39 a .
  • the suction means making it possible to create the vacuum in the box 38 are not shown.
  • suction box 38 has a gripping surface 40 slightly projecting downwards, the shape of which corresponds exactly to the shape of the covering sheets to be grasped.
  • the gluing station 29 comprises a gluing roller 41 driven in rotation in the direction of the arrow 42 at a circumferential speed slightly lower than the speed of horizontal movement of the carriage 30 during the passage of the sheet reserve 28 at the transfer station 14
  • the gluing roller 41 cooperates with a lower roller 43 and a glue inlet tube 44 supplied by a pump 45 drawing the glue from a reservoir 46 opens into the slot between the two rollers 41, 43 so that the glue distributed by the tube 44 is entrained in said slot and is therefore distributed uniformly over the entire length of the roller 41.
  • the excess glue retained by the lower roller 43 falls into a collecting tank 47 from which it returns to the tank 46.
  • the lower roller 43 rotates at a circumferential speed lower than that of the glue roller 41.
  • the transport path 10 is recognized and, on the latter, a support 11 with a shape 12 carrying a box element 1 on which a covering sheet 2 is placed.
  • the sizing and transfer device 27 is equipped at each station with limit switch detectors for the carriage 30, namely a detector 48 at the reserve station 28, two detectors 49, 50 at the station sizing 29 and a detector 51 at the transfer station 14.
  • a complete sampling-gluing-transfer cycle takes place in the following manner under the action of a command not shown, for example a command by a programmable logic controller, from the standby position of the suction box 38 at- above the supply of sheets 28: - switching on the suction and lowering the box 38 on the sheet reserve 28, - raising the box 38 above the sheet reserve 28, - displacement of the box 38 towards the gluing station 29, - or passage in front of the detector 49, descent of the box on the glue roller 41 driven in rotation, displacement of the suction box 38 in the lowered position until passing in front of the detector 50; - raising the box 38, - displacement of the box 38 towards the transfer station 14, detection of the presence of a support 11 in the transfer position on the transport system 10 at the transfer station 14, - lowering of the box 38 on the support 11, - shutdown of the suction of the box 38, - raising the box 38, - displacement of the box 38 above the sheet reserve 28 (waiting position).
  • a command not shown for example a command by a
  • the first dressing station 15 comprises, above the conveyor 10, a clamping and folding assembly 52 movable vertically under the action of a jack 53.
  • the assembly 52 comprises two parallel folding brushes 54 arranged on the side and on the other side of a pressure plate 55 mounted on spring 56.
  • the pressure plate 55 ensures the pressing of the central part 7 of the sheet 2 against the bottom 3 of the box element 1 before the two brushes 54 fold down the two long sides 8 of the sheet 2 to apply them against the outside face of the side walls 4 of the box element 1 (see Figure 7).
  • the support 11 with the box element 1 and the sheet 2 is advanced to the second dressing station 16 illustrated in FIGS. 8 to 14.
  • the second dressing station 16 comprises, above the transport path 10, an upper assembly 57 for folding the ears and folding down the long sides of the covering sheet and, below the transport path 10, a lower assembly 58 for the separation of the two parts 12 a , 12 b of the form, for the purpose of finishing the folding down of the long sides of the covering sheet.
  • the upper assembly 57 comprises a horizontal pressure plate 59 capable of being lowered using a jack 60 on the bottom of the box element 1 carried by support 11 immobilized at the station 16.
  • the pressure plate 60 relates to each of its two opposite short sides a flap 61 with spring fitted with two suction cups 62.
  • the assembly 57 comprises, at a distance above the box element 1, two horizontal blades 63 facing the long sides of element 1 and carrying at each end a vertical finger 64, the two blades 63 being movable horizontally under the action of two jacks 65.
  • the lower assembly 58 comprises a vertical cylinder 66 whose piston rod 67, upon actuation of the cylinder, is vertically movable upward through the transport path 10 and through the holes 26 b and 26 is provided, according to Figure 4, in the support 11 and in the lower plate 12 a of the form 12. It should be noted that in Figure 10, the plate 59 and its actuating cylinder 60 are not shown.
  • Figures 11 to 14 illustrate a folding-folding-finishing cycle carried out at the second dressing station 16.
  • the plate 59 is first lowered by the jack 60, so that the short sides 9 of the covering sheet 2 are gripped by suction by the suction cups 62 of the flaps 61 mounted on the plate 59. Then, according to FIG. 11, after locking in position of a support 11 with a box element 1 carrying a covering sheet 2 whose long sides 8 are folded down, the plate 59 is first lowered by the jack 60, so that the short sides 9 of the covering sheet 2 are gripped by suction by the suction cups 62 of the flaps 61 mounted on the plate 59. Then, according to FIG.
  • the lower jack 66 is selected so that its force is greater than that of the upper cylinder 60, so that the piston rod 67 of the cylinder 66, passing through the support 11 and the lower plate 12 b of the shape, acts on the upper part 12 a and thus raises the upper part 12 a , with the box element 1 and the covering sheet 2, relative to the lower part 12 b of the form which remains on the support 11.
  • the two jacks 65 are moved back to release the blades 63 and the fingers 64 and the rod is lowered piston 67 of the jack 66. Therefore, under the action of the plate 69 urged downwards by the jack 60, the upper plate 12 has shape, with the box element and the covering sheet is brought back on the lower plate 12 b , so that the box element 1 is repositioned on the lower plate 12 b of the form, the ends 8 b , folded inwards, long sides 8 of the covering sheet are completely folded and applied against the inside of the long sides 4 of the box element.
  • presser plate 59 is raised using the jack 60, after which the support 11 can be released for advancement, on the transport path 10, at the third dressing station.
  • the third dressing station 17 comprises, according to FIG. 15, an assembly 68 for clamping and folding similar to the assembly 52 of the first dressing station 15 and disposed above the transport path 10 while being vertically movable under the action of a jack 69.
  • This assembly 68 comprises two parallel brushes 70 arranged on either side of a pressure plate 71 mounted on a spring. However, at the third dressing station 17, the brushes 70 are provided for folding down the short sides 9 of the covering sheet 2, against the outside face of the small side walls 5 of the box element.
  • two vertical pressure plates 72 are provided at the third dressing station 17, above the transport path 10, at a height corresponding to the height at which the side walls of the box element 1 carried by the form 1, the two pressure plates 72 being arranged opposite the two longer side walls 4 of the box element.
  • the two pressure plates 72 are movable horizontally, under the action of two cylinders 73, so that they can be clamped from the outside against the two opposite side walls 4 of the box element 1, dressed externally by the parts 8 a and internally by the parts 8 b of the lateral parts 8 of the covering sheet 2, the internal shape 12 forming a support. This ensures the correct bonding of the side parts 8 of the covering sheet 2 on the side walls 4 of the box element 1.
  • the dressing station 18 comprises, above the transport path 10, a pressure plate 74 similar to the pressure plate 59 of the second dressing station, the plate 74 can be lowered and raised using a jack 75.
  • the dressing station 18 further comprises, above the transport path 10, two folding blades 76 similar to the blades 63 of the second station dressing except that they are arranged opposite the short sides 5 of the box element 1.
  • a lower cylinder 78 which is similar to the cylinder 66 of the second dressing station 16 and whose piston rod 79 is sti Amsterdam to cross the passage hole 26 b of the support 11 and the passage hole 26 a of the lower plate 12 a of the form 12, with a view to lifting the upper plate 12 b of the form 12, together with the box element 1 and the covering sheet 2, in order to be able to fold, after separating the plates 12 a , 12 b inward, the projecting ends 9 b of the lateral parts 9 of the sheet 2, using the blades 76, and then apply them against the inner face of the side walls 5 of the box element 1, during the subsequent nesting of the box element 1 on the lower plate 12 a of the form 12.
  • the fourth dressing station 18 comprises two opposite clamping plates 80 disposed externally opposite the short sides 5 of the box element 1, the plates 80 being able, after the box element 1 to be re-fitted on the lower plate 12 a of the form 12, be tightened with the aid of jacks 81 against the form 12 in order to apply and perfectly adhere the lateral parts 9 of the covering sheet 2 against the external face and the internal face of the lateral walls 5, analogously to what has been written in connection with FIG. 16 as regards the action of the plates 72 at the third dressing station 17.
  • the dressing of the box element 1 is then completed and the dressed box element can be advanced on the support 11 to the unloading station 19 at which the dressed box element can be removed from the form 12, that is to say manually, or by a handling system.
  • a command not shown for example a command by a programmable controller, governs the correct progress of the different dressing cycles, both with regard to the movements at each dressing station and the progress of the successive supports 11 of a station. to the other on the transport path 10.
  • Such an order is part of the general knowledge of an automation specialist and therefore need not be described in detail.
  • each of the stations 13 to 19 on the transport path 10 can be doubled (stations 13 ′ to 19 ′), just as the sizing device 27 can comprise a second reserve of sheets 28 ′ , the gluing system 29 having a width sufficient to be able to simultaneously glue two sheets coming from the two reserves 28 and 28 ′. It is necessary in this case to provide, on the carriage 30 serving the three stations 28, 29 and 14 of the gluing device 27, two suction boxes to be able to pick up, glue and transfer for dressing two sheets from the two reserves 28 and 28 ′.
  • the doubled stations 13, 13 ′ to 19, 19 ′ are served simultaneously by two successive supports 11, which does not significantly complicate the control of the course of the dressing cycle.
  • Such doubling of the stations makes it possible, for example, to simultaneously dress the two elements of the same box (same materials allowing gluing with the same glue).
  • the clamping operations carried out at the third dressing station 17 using the clamping plates 72 and at the fourth station 18 using the clamping plates 80 could be carried out at a fifth station. dressing, either simultaneously or successively.
  • all the dressing operations necessary for dressing a box element are not carried out at a single station, which would imply the concentration of all the dressing elements at this single item and the successive execution of the various operations at this single item.
  • the dressing operations are distributed over several stations to which each box element to be dressed is brought successively, which simplifies the structure and adjustment of each station, in particular allows easy adaptation to boxes of very different shapes and sizes, and allows a high cadence insofar as the various stations work in hidden time.
  • each covering sheet is placed precisely on each box element, which is ensured, according to the invention, by the way in which each sheet is taken from a sheet reserve, is glued and is transferred to the box element to be dressed immobilized in a very precise position relative to the position for taking the sheet in the reserve, these reciprocal positions being adjustable, as well as the positions and the movements of the various constituent elements of each station, with a view to adapting to the dimensions and shapes of the box elements to be dressed.
  • this glue must have an open time long enough to maintain its adhesion until the last dressing station.
  • an adhesive of the self-adhesive type is used, that is to say an adhesive that retains its adhesion power indefinitely.
  • Such an adhesive applied in particular cold has the advantage of being able to be used on all packaging materials and not only for papers as is the case for the adhesives used until now for such applications.
  • the transport path instead of describing a closed circuit in a horizontal plane, could also be designed differently, for example with a outward journey in a horizontal plane and a return path in another horizontal plane, for example below the plan of the outward journey, the various stations being distributed along the outward journey.
  • this path of transport could use transfer techniques other than those used in the example described (belt advancement).
  • Such modular transfer systems are well known and used in all fields of technology requiring the transfer of parts between several stations.

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EP89403584A 1988-12-21 1989-12-20 Verfahren zum Ummanteln von zusammengebauten Schachtelteilen und Einrichtung zur Durchführung dieses Verfahrens Withdrawn EP0376806A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8816933A FR2640582B1 (fr) 1988-12-21 1988-12-21 Procede d'habillage d'elements de boites montees et installation pour la mise en oeuvre de ce procede
FR8816933 1988-12-21

Publications (1)

Publication Number Publication Date
EP0376806A1 true EP0376806A1 (de) 1990-07-04

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EP89403584A Withdrawn EP0376806A1 (de) 1988-12-21 1989-12-20 Verfahren zum Ummanteln von zusammengebauten Schachtelteilen und Einrichtung zur Durchführung dieses Verfahrens

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EP (1) EP0376806A1 (de)
FR (1) FR2640582B1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0618066A1 (de) * 1993-04-01 1994-10-05 Renzo Santini Vorrichtung zum Auftragen und Umlegen für eine Herstellungsmachine von Schachteln
US6545008B1 (en) 1998-11-17 2003-04-08 Yuhan Corporation Pyrimidine derivatives and processes for the preparation thereof
CN102248709A (zh) * 2010-05-21 2011-11-23 爱慕斯股份公司 用于覆盖盒子的方法和设备
CN102248708A (zh) * 2010-05-21 2011-11-23 爱慕斯股份公司 用于覆盖盒子的方法和设备
CN109454927A (zh) * 2018-12-05 2019-03-12 中科天工（武汉）智能技术有限公司 一种多工位四面连续翻转压泡的装置和方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2671051A1 (fr) * 1990-12-28 1992-07-03 Garceau Sa Boite formee de deux elements de boite a habillage exterieur, articules l'un sur l'autre, et procede de fabrication d'une telle boite.

Citations (8)

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Publication number Priority date Publication date Assignee Title
DE454069C (de) * 1926-07-31 1927-12-27 Jagenberg Werke Ag Maschine zum Bekleben und Praegen von Schachtelteilen, bei der diese von im Kreise an einer Drehscheibe angeordneten Praegewerkzeugen bearbeitet werden
US1791960A (en) * 1925-10-31 1931-02-10 Robert H Fenn Automatic box machine
US1868284A (en) * 1931-03-25 1932-07-19 New Jersey Machine Corp Box covering machine
US2081910A (en) * 1932-12-03 1937-06-01 Burt Co Ltd F N Forming machine
GB716490A (en) * 1951-03-29 1954-10-06 Dennis Wood Improvements in carton-forming apparatus
DE1436762A1 (de) * 1964-06-10 1968-11-21 Caledex Machine Company Ltd Vorrichtung zum Verkleiden von Schachteln durch einen UEberzug
DE1941116A1 (de) * 1968-09-03 1970-03-26 Sig Schweiz Industrieges Vorrichtung zum Herstellen von Packungen
GB1353365A (en) * 1970-08-10 1974-05-15 Fmc Corp Box wrapping machines

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1791960A (en) * 1925-10-31 1931-02-10 Robert H Fenn Automatic box machine
DE454069C (de) * 1926-07-31 1927-12-27 Jagenberg Werke Ag Maschine zum Bekleben und Praegen von Schachtelteilen, bei der diese von im Kreise an einer Drehscheibe angeordneten Praegewerkzeugen bearbeitet werden
US1868284A (en) * 1931-03-25 1932-07-19 New Jersey Machine Corp Box covering machine
US2081910A (en) * 1932-12-03 1937-06-01 Burt Co Ltd F N Forming machine
GB716490A (en) * 1951-03-29 1954-10-06 Dennis Wood Improvements in carton-forming apparatus
DE1436762A1 (de) * 1964-06-10 1968-11-21 Caledex Machine Company Ltd Vorrichtung zum Verkleiden von Schachteln durch einen UEberzug
DE1941116A1 (de) * 1968-09-03 1970-03-26 Sig Schweiz Industrieges Vorrichtung zum Herstellen von Packungen
GB1353365A (en) * 1970-08-10 1974-05-15 Fmc Corp Box wrapping machines

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0618066A1 (de) * 1993-04-01 1994-10-05 Renzo Santini Vorrichtung zum Auftragen und Umlegen für eine Herstellungsmachine von Schachteln
US6545008B1 (en) 1998-11-17 2003-04-08 Yuhan Corporation Pyrimidine derivatives and processes for the preparation thereof
CN102248709A (zh) * 2010-05-21 2011-11-23 爱慕斯股份公司 用于覆盖盒子的方法和设备
CN102248708A (zh) * 2010-05-21 2011-11-23 爱慕斯股份公司 用于覆盖盒子的方法和设备
CN109454927A (zh) * 2018-12-05 2019-03-12 中科天工（武汉）智能技术有限公司 一种多工位四面连续翻转压泡的装置和方法

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Publication number Publication date
FR2640582A1 (fr) 1990-06-22
FR2640582B1 (fr) 1991-08-16

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