EP0806346B1 - Machine d'emballage équipée d'un système pour former un tube - Google Patents

Machine d'emballage équipée d'un système pour former un tube Download PDF

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Publication number
EP0806346B1
EP0806346B1 EP97106684A EP97106684A EP0806346B1 EP 0806346 B1 EP0806346 B1 EP 0806346B1 EP 97106684 A EP97106684 A EP 97106684A EP 97106684 A EP97106684 A EP 97106684A EP 0806346 B1 EP0806346 B1 EP 0806346B1
Authority
EP
European Patent Office
Prior art keywords
shaping
edges
tube
film
packing machine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP97106684A
Other languages
German (de)
English (en)
Other versions
EP0806346A2 (fr
EP0806346A3 (fr
Inventor
Manfred Sautter
Hannes Neumüller
Jens Kallfass
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.)
Kallfass Verpackungsmaschinen GmbH and Co
Original Assignee
Kallfass Verpackungsmaschinen GmbH and Co
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 Kallfass Verpackungsmaschinen GmbH and Co filed Critical Kallfass Verpackungsmaschinen GmbH and Co
Priority to EP99108893A priority Critical patent/EP0941927A3/fr
Publication of EP0806346A2 publication Critical patent/EP0806346A2/fr
Publication of EP0806346A3 publication Critical patent/EP0806346A3/fr
Application granted granted Critical
Publication of EP0806346B1 publication Critical patent/EP0806346B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B65B59/00—Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes
    • B65B59/02—Arrangements to enable adjustments to be made while the machine is running
    • 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
    • B65B57/00—Automatic control, checking, warning, or safety devices
    • B65B57/10—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged
    • B65B57/12—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged and operating to control, or stop, the feed of wrapping materials, containers, or packages
    • 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
    • B65B59/00—Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes
    • B65B59/001—Arrangements to enable adjustments related to the product to be packaged
    • 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
    • B65B59/00—Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes
    • B65B59/003—Arrangements to enable adjustments related to the packaging material
    • 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
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/06—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it
    • 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
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/06—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it
    • B65B2009/063—Forming shoulders

Definitions

  • the present invention relates to a packaging machine for packaging objects in a film, with a Hose forming device for forming a hose a substantially flat film before tube formation and a transport device for transporting the objects into the tube, the tube forming device several Has pairs of shaped edges for deflecting the film.
  • a packaging machine of the type mentioned is from DE 40 21 934 A1 known.
  • the tube forming device has several baffles, which essentially have three pairs of shaped edges, around which the film is guided one after the other.
  • a The first foil-like baffle guides the packaging film diagonally downwards against the transport direction of the packing objects to, the film by means of first baffle and two further scissors-shaped Deflectors are deflected and formed into a tube, of the objects to be packed in the direction of transport expires.
  • the individual shaped edges of the baffles are included arranged in relation to each other in such a way that the film over which form edge or over which area of the guide plates it runs, is evenly tensioned and even, i.e. runs over the edges without distortion. From the film one after the other overflowed form edges lie in pairs on a common level.
  • the present invention is therefore based on the object a packaging machine with an improved tube forming device of the type mentioned at the beginning. Especially should avoid excessive strain on the film and a Overstretching of the film can be prevented.
  • This task is the beginning of a packaging machine mentioned type according to the invention solved in that the shaped edges are arranged relative to each other in such a way that the path over the form edges along to the edges of the film more parallel Lines from entry of the film into the tube forming device until they exit the tube forming device in the area of the edges of the film is shorter than in a central area of the film.
  • the film is guided over the edges of the mold so that the The edges of the film are free of tension or loosely over the edges to run. This has the advantage that the film on the Protect edges from excessive tension and stretching is.
  • the film runs despite the not constant Stress distribution without wrinkles via the tube forming device. So far it has always been assumed that the way over the shape edges parallel to the edges of the film for everyone Areas of the film must be the same length to prevent that the film converges towards its central area and accordingly wrinkles. However, the opposite is the case Case.
  • the film that is drawn or drawn over the edges of the mold tries to run over the form edges in the shortest possible way and becomes very easily transverse to the film longitudinal direction The edges are tightened so that there are no folds.
  • the Foil or parts thereof one after the other over first shaped edges a first shape shoulder and second and third shape edges a second shape shoulder.
  • first shaped edges Preferably each one of the first mold edges and an associated, i.e. of the same Foil piece overflowed second mold edge not in one Level.
  • the shape edges of the same pair of shape edges can be in lie on a common level.
  • the first shape shoulder can be from the second shape shoulder separated, i.e. not be connected to it and is expediently arranged above the second shape shoulder.
  • the first shape shoulder is preferably in the form of a trapezoidal in particular formed multi-piece sheet metal part and the second form shoulder, essentially in the transport plane the transport device lies, has two essentially triangular pieces of sheet metal that scissors each other overlap such that the third form edges in the hose exit direction converge and overlap, and that the second mold edges in the hose exit direction diverge.
  • the shape shoulders can be of different Be made of materials, but have the form shoulders in sheet metal construction advantages in terms of a simple and stable design. Instead of the flat, plate-shaped design of the shaped shoulders can also be rack-like in such a way that skeleton-like only the shape edges are provided, but has the plate-shaped sheet metal construction advantages in terms of even and smoothly sliding film guidance.
  • the degree of entanglement of the over the shape edges of the running foil and the amount of the distance difference between the areas where the Edge of the slide runs and the area where a midsection the film runs over the edges of the mold is adjustable. This allows the stress distribution in the film and the Belly the film on the film edges between one after the other has the following shape edges.
  • the adjustability of the angular orientation at least individual shape edges has the advantage that the geometry the tube forming device to different foils different Strengths and made of different materials can be adjusted.
  • the angular orientation is also in Depends on the size of the items to be packed adjustable to different objects, the one different hose geometry and different Overlap widths require that the film optimally over the To pull the hose forming device. In particular, this can to what extent the edge of the film is loose runs over the form edges and the tension in the film distributed differently.
  • the corresponding have adjustable mold edges an adjustment range that this Shape edges with the corresponding shape edges of the next one Form edge pair do not lie in one plane and themselves always an entanglement of the led over the form edges Film results and the edge areas of the film free of tension and are relaxed.
  • the shape edges are expediently in one common level swiveling.
  • the angle of the shape edges one another is adjustable in this plane.
  • the first shape shoulder has two sheets, which are in one common plane and each have a first shape edge have, the sheets perpendicular to each axis are pivotable to the common plane.
  • the sheets can that is, pivoted in the plane that you define yourself become.
  • the first shape shoulder can also be a whole be pivotable substantially horizontal axis, whereby the effective angle of the first shape edges relative to the second mold edge is adjustable, but has the previous described execution advantages in terms of a simple Swivel bearing of the shaped shoulder plates.
  • the first and second form edges in their Extension each at one point, with the first shape edges are more spread than the second form edges.
  • the orientation of the mold edges is preferably such that also the projection of the between the first shape edges included angle in the plane of the second mold edges is greater than the angle between the second mold edges is limited.
  • the shape edges can be translationally displaceable, preferably the shape edges in pairs in each opposite direction displaceable and at least one Pair of mold edges relative to the other mold edges is movable, in particular such that a height and a width of the tube formed from the film is adjustable is.
  • the items to be packaged become conventional on the side of the tube forming device that the Side on which the film formed into a tube from the Hose forming device expires, lies opposite, delivered and through the tube forming device between the forming shoulders transported through the drain hose.
  • the transport device or at Multi-piece design of the transport device a section to insert the same into the tube forming device, around the corresponding object via the shaped sheets transport away into the draining hose can.
  • this known design is structural relatively complicated and economically unsatisfactory.
  • a packaging machine with an improved transport facility created, in particular the transport device reliable transport even of different sizes Objects with different settings of the hose shaping device into the tube formed from the film cause. This is the position of a downstream end the transport device adjustable.
  • the downstream end of the transport device is such adjustable that the objects to be transported too with different settings of the hose shaping device always directly to the hose forming device introduced and to those in the tube forming device running film can be pushed. Between the end of the Transport device and the tube forming device is not or only a minimal gap that prevents the forward movement of the could hinder transporting object.
  • the downstream end of the transport device is preferably synchronized with the moveable shape shoulder of the Hose shaping device adjustable.
  • the adjustable end the transport device is thus of the movable type Form shoulder coupled that when adjusting the form shoulder for example for different geometries of the items to be packed simultaneously and automatically the transport device is adjusted accordingly such that the end of the transport means immediately the shape shoulder ends and no larger gap between the Transport device and the shape shoulder is created.
  • the transport device is adjustable in length. This owns the Advantage that the upstream end of the transport device stationary, especially following a feeder can be arranged for the objects and at the same time the Position of the downstream end of the transport device is adjustable.
  • the downstream end of the transport device is preferably to an opposite contour of the tube forming device adapted, preferably a leading edge of the Hose forming device over which the objects in the tube forming device are pushed, is V-shaped and the downstream end of the transport device tongue-shaped in the V-shaped recess of the hose shaping device extends.
  • To adjust the tube forming device to allow without using the transport device collide is the downstream end of the transport device so forward and backward in the direction of transport, that the complementary V-shaped end of the transport device moved back when the V-shaped opening of the Hose forming device is narrowed to a scissors order a smaller width of the tube emerging from the film adjust.
  • the transport device advantageously has at least an endless conveying means rotating around deflecting means, whereby the funding at the downstream end of the Transport device around a movable deflection unit is led.
  • the displaceable deflection unit over which the funding is S-shaped, between two fixed deflection means arranged and parallel to the straight sections of the conveyor between the Deflection unit and the two fixed deflection means back and forth movable.
  • the funding is without a special Tensioning device such as tensioning rollers, can be pre-tensioned.
  • a length adjustment of the conveyor path, i.e. a The deflection unit can be moved without changing the length of the Path that the funding travels.
  • the funding advantageously has one uniform tension, not like inertia effects for example with a dancer roller, which is usually used for Tension of endless belts is used is impaired.
  • the transport device preferably has a plurality narrow, parallel conveyor belts, preferably the conveyor belts at the downstream end of the transport device around rollers offset in steps are guided, such that the downstream end step adapted the V-shaped front of the tube forming device is.
  • the roles can be on a common, movable Sled mounted and synchronized with each other in parallel be displaceable to the conveying direction.
  • a removal device preferably closes for removal the objects wrapped in the hose to a Exit side of the tube forming device essentially flush with this. This has the advantage that the Objects directly at the outlet from the tube forming device be taken over by the removal device.
  • the discharge device preferably has a suction belt conveyor, where the objects wrapped in the tube be sucked into a conveyor belt. The suction causes also the transport of the from the tube molding device leaking hose if there are no objects in it are included. The suction does the necessary Adhesion of the hose to the conveyor belt.
  • the discharge device could also be an electrostatic attraction Provide film on the conveyor belt, but has the suction of the draining hose advantages in terms of stable static friction between film and conveyor belt, in particular even with different foils.
  • an automatically adjustable packaging machine in particular an adjustment device for adjustment the tube forming device for different ones to be packaged Objects and a control device for control the adjusting device depending on object parameters such as. Length, width and height etc. of the item are provided.
  • the object parameters can, for example, by hand a corresponding input unit can be entered.
  • the packaging machine has a storage device for storing one item at a time assigned object parameters, the control device the corresponding object parameters by means of a reading unit reads from the storage device and in Depending on these stored parameters, the setting device controls.
  • an input unit provided with which the item to be packaged entered can be. According to the selection of the packaged The control device then reads the object Object parameters associated with the object from the storage device, around the adjusting device accordingly head for.
  • a detection device could also be used be provided, with the help of which each packaging object is automatically detected. Corresponding the result of the automatic detection will then be the respective item parameters read from memory in order to to control the setting device.
  • the detection device can be connected to an evaluation unit evaluate which stored object the captured Item corresponds or comes closest.
  • the adjusting device can have several servomotors, the respective different axes of movement of the tube forming device are assigned and by the control device are controlled. Both translational are preferred Sliding axes as well as the angle adjustment axes the hose shaping device each assigned actuators.
  • Stepper motors can be used as servomotors be an indirect distance measurement by counting the Step pulses are provided.
  • Servomotors can also be used be provided, with a direct path measurement by pulse generator and an evaluation in a suitable controller can be provided.
  • the adjusting device with the transport device is preferably coupled.
  • the transport device is therefore also automatically to the item to be packed and the corresponding setting of the tube forming device customized.
  • downstream units such as one Foil sealing device can be controlled.
  • the control device described can be particularly advantageous also set up the tube forming device completely new items to be packaged are simplified, by first of all coming closest to the new object known item is selected. The control device then causes a presetting according to the for known subject stored parameters. A fine adjustment can then, for example, after a test run respectively. There is preferably a parameter input unit for this intended.
  • the packaging machine has a tube forming device 1, a transport device 2, with which to be packed Objects 4 through the tube forming device 1 in a tube 6 formed from film 5 can be transported, and a discharge device 3, which from the tube forming device 1 emerging hose 6 and the arranged therein Objects 4 transported away from the tube forming device 1 (Fig. 1).
  • the tube molding device 1 has an upper, first shape shoulder 7 and a lower, second form shoulder 8 on (Fig. 4), over which the film 5, from a supply roll 9 over a compensating roller 10 is removed, performed in succession is used as the hose 6 from the hose shaping device 1 to resign.
  • the hose 6 essentially has one rectangular cross-section, being at the bottom of the hose 6 overlap the edges 11 of the film 5.
  • the two form shoulders 7 and 8 essentially span two Levels that are inclined to each other and approximately in the transport level defined by the transport device 2 to cut.
  • the lower, second shape shoulder 8 is essentially in the conveying plane of the transport device 2 while the upper, first shape shoulder 7 in the conveying direction 13 increasing so that the film 5, which over the upper form shoulder 7 is pulled, as shown in FIG. 4 from the right is fed up to the bottom left.
  • the shape shoulders 7 and 8 have several pairs of shape edges, over which the film 5 is guided and kinked to the tube 6 to be molded.
  • the upper shape shoulder 7 has a first pair of molded edges 12 on its outer sides, over which the outer edge regions of the film 5 close to them Edges 11 is first performed before this the lower Reach shape shoulder 8.
  • the first shape edges 12 are in a common level, namely the level of the form shoulder 7 and converge in the direction of the first shape shoulder 7 drawn film 5.
  • the extensions of the mold edges 12 intersect at a convergence angle u (Fig. 5). As shown in Fig. 5). As shown in Fig.
  • the baffles 14 are Metal sheets.
  • the lower, second shape shoulder 8 also has two Baffles 15 and 16, but not like the baffles 14 lie in one plane, but in two parallel planes are arranged and overlap each other, wherein between the two baffles 15 and 16 according to a narrower 1 is a horizontal gap, by which the film 5 can be guided, as below will be explained.
  • the two guide plates 15 and 16 are essentially triangular and together have a second pair of mold edges 17, which are arranged on the outer sides of the shaped shoulder 8, and a third pair of mold edges 18 that overlap each other and a V-shaped opening at the front of the shape shoulder 8 limit.
  • the diverge second mold edges 17 in the direction of from the tube molding device 1 emerging hose 6. Extensions of the second mold edges 17 intersect at a convergence angle v.
  • the third shape edges 18 converge in the direction of the exiting hose 6 and limit in the projection an angle to the conveying plane of the transport device 2 w.
  • a fourth pair of mold edges 19 over which the film 5 is guided is located on a front side of the upper shape shoulder 7 and lies on a common straight line.
  • the arrangement of the mold edges to one another is such that the path over the different shape edges 12, 17, 18 and 19 along different lines leading to the edges 11 of the slide 5 are each parallel, measured from an entry of the Film 5 in the tube forming device 1 at an entry edge 20 until the exit of the film 5 on a vertical Cross section of the hose 6 at the rear edges 21 of the lower Form shoulder 8 is of different lengths.
  • the prescribed path in areas near the edges 11 of the Slide 5 shorter than in areas to the longitudinal central axis of the Slide 5 down. This leads, as will be described in more detail later will, that the edges 11 loose and untensioned run over the form edges and especially in the area between the first mold edges 12 and the second mold edges 17 form a belly (Fig. 4).
  • first mold edge 12 and second Form edge 17 are each of the film 5 successively overflowed first mold edge 12 and second Form edge 17, i.e. 5 a right one of the first and second mold edges and a left one of the first and second mold edges, not arranged in a common plane, but are skewed towards each other.
  • the slide 5 is thereby in the area between the first mold edges 12 and the second mold edges 17 crossed.
  • the inclination angle z of the first shape shoulder 7 is a large number possible combinations of angles of angles u, v and w, to the one hand the absence of tension of the edges 11 and others the entanglement of the film 5 in the area between to achieve two associated shape edges 12 and 17.
  • At an angle z of 45 ° can be the angles u, v and w, for example 70, 20 and 90 °. If you project that in the plane of the first shape shoulder 7 lying angle u in is the plane of the angle v in the conveying plane the projection of the angle u is always greater than the angle v.
  • the shape edges 12, 17 and 18 are around and along different axes movable.
  • a height of the hose 6 To be able to adjust is along the first shape shoulder 7 an axis a parallel to a straight line connecting the Front edge 19 of the first shape shoulder 7 and a front edge 210 of the second shape shoulder 8 slidably (Fig. 6).
  • a Carrier 22 with the two guide plates 14 of the first shape shoulder 7 is connected is displaceable along the axis a mounted on a stand 23 and with an arm 24 with a spindle 25 for height adjustment of the first shape shoulder 7 engaged.
  • a moving with the shape shoulder This eliminates the need for a handwheel.
  • the spindle 25 can of Hand, preferably driven by means of an actuator 50 become.
  • the carrier 22 and the stand 23 are made in two parts and connected to each of the baffles 14 to the Baffles 14 along an axis b transverse to the conveying direction the transport device 2 and thereby a width of the running hose 6 to be able to adjust.
  • the adjustment the guide plates 14 of the upper shape shoulder 7 takes place preferably in synchronization with a corresponding width setting the guide plates 15 and 16 of the lower form shoulder 8 also along a direction b.
  • the two stands 23 can be fixed with one of the guide plates 15 or 16 be connected or they can with the two baffles 15th and 16 can be coupled to a common setting spindle 26. As shown in Fig.
  • the two baffles 15 and 16 each with a spindle nut 27 or 28 with different common sections of the adjusting spindle 26 in Engagement, so that with actuation of the spindle 26, the width of the V-shaped opening bounded by the third mold edges 18 the lower shape shoulder 8 is set.
  • spindle drive are other drive or. Adjustment devices can be used, but the shown spindle drive with a simple design a high Precision.
  • the spindle 26 can preferably by hand a suitable servomotor 51 are driven.
  • the axes c are each at a lower outer end of the baffles 14.
  • the location of the connection points the first mold edge 12 and the fourth mold edge 19 doing the same for different swivel positions Baffles 14, such that the imaginary connection between the fourth pair of mold edges 19 and the tips, i.e. the Connecting points of the second and third form edges, remains unchanged.
  • the baffles 14 By pivoting the baffles 14 the angle of convergence u changes.
  • the adjustment range is thereby such that the convergence angle u or its projection in the plane of the angle v is always greater than that Angle v. This will entangle the film 5 in Area between the first mold edges 12 and the second Form edges 17 reached.
  • the baffles 14 are each on a plate-shaped base support 29 pivotally mounted.
  • the baffles 14 can, for example, with one another via a spindle be coupled, similar to the two guide plates 15 and 16.
  • a servomotor not shown, can also be provided for this be.
  • the fourth mold edges 19 formed by cylindrical rollers 30 attached to the base support 29 are rotatably mounted.
  • the rollers 30 reduce that Strain on the film 5 due to the relatively acute angle Deflection on the mold edge 4 and reduce the friction of the Slide 5 on this form edge.
  • the Tension the film 15, as described in more detail later will be in the areas of the edges 11 and the bulky the film between the first mold edges 12 and set the second mold edges 17.
  • the conveyor belts 31 are arranged offset by steps Rollers 32, 33, 34 and 35 guided such that the ends of the individual conveyor belts 31 are V-shaped and of the third mold edges 18 limited V-shaped opening of the lower shape shoulder 7 are adapted.
  • baffles 15 and 16 transverse to the direction of transport with a constant small gap between the transport device 2 and the V-shaped front of the lower one Achieving shape shoulder 8 is the complementarily graded downstream end of the conveyor 2 forward and retractable in such a way that the conveying path of the transport device 2 is adjustable in length.
  • the rollers 32, 33, 34 and 35 which are the downstream end set, are mounted on a common carriage 36, the in the conveying direction by means of plain or roller bearings 37 moveable on a frame of the Packaging machine is stored.
  • the lower form shoulder widens 8, i.e. when the two guide plates are pushed apart 15 and 16 transversely to the conveying direction, the downstream End pushed forward in the conveying direction, no gap between the transport device 2 and the lower form shoulder 8 to be created.
  • the carriage 36 is preferably in synchronism with the width adjustment the lower form shoulder 8 slidably.
  • the synchronous circuit of the slide 36 with the shaped plates 15 and 16 can also be done using appropriately controlled actuators done individually, but the coupling shown has two Spindle drives with a simple design a high precision.
  • the adjustment spindle 26 and the slide spindle 38 can together by hand or with a suitable servomotor are driven.
  • the individual conveyor belts 31 guided such that the endlessly rotating conveyor belts 31 covered distances for different Settings of the downstream end of the upper run the transport device 2 are the same.
  • the individual conveyor belts 31 are first individually or in pairs around the slidably mounted pulleys 32, 33, 34 and 35 led and then together around a common pulley 41, which is also rotatable on the sliding carriage 36 is stored and together with the guide rollers 32, 33, 34 and 35 displaceable in a direction parallel to the conveying direction is.
  • the conveyor belts 31 are each S-shaped one of the deflection rollers 32, 33, 34 and 35 and the deflection roller 41 out.
  • the deflection rollers mounted on the slide 36 32 to 35 and 41 are rotatable between two fixed mounted deflection rollers 42 and 43 arranged around each the conveyor belts 31 is guided.
  • the section of the conveyor belts 31 between the deflection roller 43 and the deflection rollers 32 to 35 and the section of the conveyor belts 31 between the Deflection roller 41 and the deflection roller 42 run in each other parallel planes.
  • the movable deflection unit with the Deflection rollers 32 to 35 and 41 can be parallel to these planes be moved back and forth in the conveying direction to the Position of the downstream end of the conveyor 2 to be set, whereby the conveyor belts 31 distance traveled is constant.
  • the conveyor belts 31 can therefore with a predetermined and constant Voltage are applied.
  • the tube forming device 1 For the removal of objects 4 on the hose outlet side the tube forming device 1 is a discharge device 3 provided.
  • the discharge device 3 has one Air suction holes 44 perforated suction conveyor 45, the endlessly revolves and its top in the plane of the second, lower shape shoulder 8.
  • the upstream end of the conveyor of the conveyor 3 closes flush with a rear edge of the second, lower form shoulder 8 and takes over in the Tube pushed objects 4 and the film tube 6 even downstream of the hose forming device 1.
  • the tube forming device 1 itself i.e. in the field of lower form shoulder 8 is therefore not a conveyor intended.
  • the transport of the objects 4 in this area takes place indirectly through the film 5, which over the baffles 15 and 16 of the second, lower mold shoulder 8 is pulled.
  • the suction conveyor 3 also acts as a puller for the film 5 and can also be packaged in the absence of Objects 4 the film 5 through the tube forming device 1 pull. In particular threading the film 5 in the tube forming device 1 is thereby
  • the packaging machine shown also has a control device and a storage device shown in the figures are not shown.
  • the storage device are under corresponding names assigned to the objects Item parameters such as height, width, Length and other parameters that affect the setting of the tube forming device affect how color of the Object or type of film, necessary melting temperature etc. saved.
  • the control device is in each case with the Actuators connected to this depending on the stored To control object parameters.
  • An input unit also not shown, is used the item to be packaged is selected, after which the under the corresponding name saved parameters the control device can be read from the data memory.
  • the control device uses this to calculate the target position for the actuators and controls them with appropriate Signals.
  • the calculated values are over a Transfer the bus system to the engine control.
  • the servomotors move to the desired position and report via the bus system reaching the position value to the control. Accordingly, the tube forming device becomes complete automatically only by entering the item to be packed set.
  • the film 5 is in the tube forming device 1 threaded.
  • the film 5 from the supply roll of Hand removed and over the guide plates 14 of the upper form shoulder 7 led.
  • the edge areas of the film 5 are over the first mold edges 12 of the first, upper mold shoulder 7 drawn and successively around the second and third mold edges one of the guide plates 15 and 16 guided.
  • the one under the Guide plate 15 guided section of the film 5 and on the Top of the baffle 16 folded edge of the film 5th are through the gap between the two baffles 15 and 16 drawn.
  • the film 5 is so far through the tube forming device 1 drawn that a sufficient section the conveyor 3 comes to rest.
  • the width and required for the respective objects 4 Height of the running hose 6 is by pressing the Adjustment spindle 26 and the height adjustment spindle 46 set. This can be done before or after threading the film 5 and is controlled by the control device and the servomotors, which form a motorized adjusting device, according to a corresponding entry of the object causes.
  • the objects 4 are, according to FIG. 1, from left to right transported on the transport device 2 and in the the shoulders 7 and 8 stretched membrane tunnel.
  • the objects are in the area of the lower shape shoulder 8 4 through the drawn over the lower shape shoulder 8 Slide 5 transported. Downstream of the hose shaping device 1 the objects are removed by the conveyor 3 and possibly fed to a welding device.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)

Claims (17)

  1. Machine d'emballage pour l'emballage d'objets (4) dans une feuille (5), comprenant un dispositif (1) pour former un tube (6) à partir d'une feuille sensiblement plane avant la formation du tube et un dispositif de transport (2) pour le transport des objets dans le tube (6), le dispositif (1) à former les tubes présentant plusieurs paires de bords de formage (12, 17, 18), caractérisée en ce que les bords de formage (12, 17, 18) sont disposés de manière relative les uns par rapport aux autres de manière que sur le trajet le long des lignes parallèles aux bords de formage (11) de la feuille (5) depuis l'entrée de la feuille dans le dispositif de formage de tube (1) jusqu'à sa sortie du dispositif de formage de tube est plus court dans la zone des bords de la feuille que dans une zone médiane de la feuille.
  2. Machine d'emballage selon la revendication 1,caractérisé en ce que le dispositif de formage de tube (1) présente un premier épaulement de formage (7) avec des premiers bords de formage (12) et un second épaulement de formage (8) avec des seconds et des troisièmes bords de formage (17, 18), de préférence les bords de formage (12, 17, 18) d'une paire de bord de formage étant dans un plan commun et un premier bord de formage (12) et un second bord de formage associé (17) étant respectivement dans deux plans différents.
  3. Machine d'emballage selon la revendication 2, caractérisée en ce que le premier épaulement de formage (7) est réalisé comme une pièce de tôle trapézoïdale (14), composée en particulier de plusieurs éléments et le second épaulement de formage présente sensiblement des pièces de tôle trapézoïdale (15, 16) qui se chevauchent réciproquement de telle sorte que les troisièmes bords de formage (18) convergent dans le sens de sortie du tube et se chevauchent mutuellement et en ce que les seconds bords de formage (17) s'écartent l'un de l'autre dans le sens de sortie du tube.
  4. Machine d'emballage selon au moins l'une des revendications 1 à 3, caractérisée en ce que l'orientation angulaire (u) d'au moins une des paires de bord de formage (12) est réglable, de préférence les bords de formage (12) étant pivotants autour d'un axe (c) vertical à un plan commun des bords de formage respectifs (12).
  5. Machine d'emballage selon au moins l'une des revendications 1 à 3, caractérisée en ce que les bords de formage (12, 17, 18) d'une paire de bords de formage se rejoignent dans leur prolongement respectif et limitent un angle de convergence (u, v, w), l'angle de convergence (u) des premiers bords de formage (12) étant supérieur à l'angle de convergence (v) des seconds bords de formage (17) et de préférence une projection de l'angle de convergence (u) des premiers bords de formage (12) dans le plan des seconds bords de formage (17) étant supérieure à l'angle de convergence (v) des seconds bords de formage.
  6. Machine d'emballage selon au moins l'une des revendications 1 à 5, caractérisée en ce que les bords de formage (12, 17, 18) sont coulissants en translation, de préférence les bords de formage étant coulissants par paire dans une direction opposée (b) et au moins une paire de bords de formage (12) étant coulissante par rapport aux autres bords de formage (17, 18).
  7. Machine d'emballage selon l'une des revendications précédentes, caractérisée en ce que le dispositif de transport (2) se terminant devant le dispositif de formage de tube (1), le dispositif de formage de tube étant libre de dispositifs de transport et la position d'une extrémité côté sens de l'écoulement du dispositif de transport (2) étant réglable.
  8. Machine d'emballage selon la revendication 7, caractérisée en ce que l'extrémité côté sens d'écoulement du dispositif de transport (2) est réglable en fonction de la position d'un épaulement de formage mobile (8) du dispositif de formage de tube (1) en particulier de manière synchrone avec ce dernier.
  9. Machine d'emballage selon la revendication 7 ou 8, caractérisé en ce qu'un trajet de transport efficace du dispositif de transport (2) est réglable en longueur.
  10. Machine d'emballage selon au moins l'une des revendications 7 à 9, caractérisée en ce que l'extrémité côté écoulement du dispositif de transport (2) est fermée et sensiblement affleurée avec une face avant du dispositif de formage de tube et est mobile en fonction de sa position dans le sens de transport des objets (4), de préférence, l'extrémité côté écoulement du dispositif de transport s'étendant dans une ouverture sensiblement en forme de V du dispositif de formage de tube (1) et étant réglable en longueur dans le sens de transport en fonction d'une largeur de l'ouverture transversalement au sens de transport.
  11. Machine d'emballage selon au moins l'une des revendications 7 à 10, caractérisée en ce que le dispositif de transport (2) présente au moins un moyen de transport (31) tournant autour de moyens de renvoi (32, 33, 34, 35, 41, 42, 43), le moyen de transport étant guidé autour d'une unité de renvoi mobile (32, 33, 34, 35, 41) qui fixe l'extrémité côté écoulement du dispositif de transport et de préférence au moins deux moyens de renvoi fixe (42, 43) étant prévus, l'unité de renvoi mobile étant disposée entre les moyens de renvoi fixes, le moyen de transport étant guidé sensiblement en forme de S autour de l'unité de renvoi mobile et des sections du moyen de transport s'étendant entre l'unité de renvoi et les moyens de renvoi fixes le long de directions parallèles, l'unité de renvoi étant mobile parallèlement à ces sections du moyen de transport.
  12. Machine d'emballage selon au moins l'une des revendications 7 à 11, caractérisée en ce que le dispositif de transport (2) présente une pluralité de bandes de transport parallèles étroites (31), en ce que les bandes de transport sont guidés à l'extrémité côté écoulement du dispositif de transport autour de poulies de renvoi (32, 33, 34, 35) disposés en espalier de sorte que l'extrémité côté écoulement est adaptée par palier à une ouverture en forme de V du dispositif de formage de tube (1) et les poulies de renvoi (32, 33, 34, 35) étant logées sur un chariot commun coulissant et étant coulissants en synchrone parallèlement au sens de transport.
  13. Machine d'emballage selon au moins l'une des revendications 1 à 12, caractérisée en ce qu'un dispositif d'enlèvement (3), en particulier un transporteur à bande aspirante est prévu pour l'enlèvement des objets (4) enveloppés dans le tube, de préférence le dispositif d'enlèvement se raccordant sensiblement affleuré à un côté de sortie du dispositif de formage de tube (1).
  14. Machine d'emballage selon l'une des revendications précédentes, caractérisée par un dispositif de réglage (25, 50 ; 26, 51) pour le réglage du dispositif de formage de tube (1) pour des objets différents à emballer (4) et un dispositif de commande pour la commande du dispositif de réglage en fonction de paramètres d'objet.
  15. Machine d'emballage selon la revendication 14, caractérisée en ce qu'un dispositif de stockage est prévu pour le stockage des paramètres d'objet associés respectivement à un objet (4) et le dispositif de commande est agencé pour la commande du dispositif de réglage en fonction des paramètres stockés d'objet, en particulier une unité de saisie de l'objet à emballer et une unité de lecture des paramètres correspondant d'objets depuis le dispositif de stockage étant prévues.
  16. Machine d'emballage selon les revendications 14 ou 15, caractérisée en ce que le dispositif de réglage respectivement des axes de mouvement différents du dispositif de formage de tube (1) présente des moteurs de réglage associés (50, 51), qui sont commandés par le dispositif de commande.
  17. Machine d'emballage selon au moins l'une des revendications 14 à 16, caractérisée en ce que le dispositif de réglage est prévu pour le réglage du dispositif de transport (2).
EP97106684A 1996-05-09 1997-04-23 Machine d'emballage équipée d'un système pour former un tube Expired - Lifetime EP0806346B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP99108893A EP0941927A3 (fr) 1996-05-09 1997-04-23 Machine d'emballage

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19618559A DE19618559A1 (de) 1996-05-09 1996-05-09 Verpackungsmaschine
DE19618559 1996-05-09

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP99108893A Division EP0941927A3 (fr) 1996-05-09 1997-04-23 Machine d'emballage

Publications (3)

Publication Number Publication Date
EP0806346A2 EP0806346A2 (fr) 1997-11-12
EP0806346A3 EP0806346A3 (fr) 1998-09-09
EP0806346B1 true EP0806346B1 (fr) 1999-08-18

Family

ID=7793748

Family Applications (2)

Application Number Title Priority Date Filing Date
EP99108893A Withdrawn EP0941927A3 (fr) 1996-05-09 1997-04-23 Machine d'emballage
EP97106684A Expired - Lifetime EP0806346B1 (fr) 1996-05-09 1997-04-23 Machine d'emballage équipée d'un système pour former un tube

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP99108893A Withdrawn EP0941927A3 (fr) 1996-05-09 1997-04-23 Machine d'emballage

Country Status (4)

Country Link
US (1) US5799470A (fr)
EP (2) EP0941927A3 (fr)
DE (2) DE19618559A1 (fr)
ES (1) ES2138412T3 (fr)

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CA2254105C (fr) * 1997-03-11 2008-06-03 Ranpak Corp. Convertisseur pour matelassage et procede correspondant
DE19953220A1 (de) * 1999-11-05 2001-05-10 Barsch Horizontale Verpackungs Horizontale Schlauchbeutelverpackungsmaschine
CA2426826C (fr) * 2000-10-30 2009-01-20 Stork Fabricators, Inc. Machine d'emballage modulaire sous film retractable
DE10251072A1 (de) * 2002-11-02 2004-05-13 Rovema Verpackungsmaschinen Gmbh Formschulter zur Umformung einer Folienbahn
US20150379462A1 (en) * 2014-06-27 2015-12-31 Pregis Innovative Packaging Llc Protective packaging system consumable resupply system
KR102410333B1 (ko) * 2015-07-07 2022-06-20 오씨아이 주식회사 포장장치
EP4166462A1 (fr) * 2021-10-15 2023-04-19 MULTIVAC Sepp Haggenmüller SE & Co. KG Machine de scellement et procédé de réglage des caractéristiques d'une machine de scellement

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US3636826A (en) * 1969-10-24 1972-01-25 Burlie R Bowen Folding shoe for use in a packaging machine
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Also Published As

Publication number Publication date
EP0941927A2 (fr) 1999-09-15
EP0806346A2 (fr) 1997-11-12
ES2138412T3 (es) 2000-01-01
DE59700342D1 (de) 1999-09-23
EP0806346A3 (fr) 1998-09-09
DE19618559A1 (de) 1997-11-13
EP0941927A3 (fr) 2000-04-12
US5799470A (en) 1998-09-01

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