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EP0271042B1 - Verpackungsverfahren und Verpackungsautomat für Briefhüllen und Versandtaschen - Google Patents

Verpackungsverfahren und Verpackungsautomat für Briefhüllen und Versandtaschen Download PDF

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Publication number
EP0271042B1
EP0271042B1 EP87118061A EP87118061A EP0271042B1 EP 0271042 B1 EP0271042 B1 EP 0271042B1 EP 87118061 A EP87118061 A EP 87118061A EP 87118061 A EP87118061 A EP 87118061A EP 0271042 B1 EP0271042 B1 EP 0271042B1
Authority
EP
European Patent Office
Prior art keywords
stack
separating
accumulated
support
separating blade
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
EP87118061A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0271042A3 (en
EP0271042A2 (de
Inventor
Bert Dipl.-Ing.(Fh) Nolte
Siegfried Dipl.-Kfm Leonhardt
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.)
WINKLER & DUENNEBIER MASCHINENFABRIK UND EISENGIES
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 AT87118061T priority Critical patent/ATE86569T1/de
Publication of EP0271042A2 publication Critical patent/EP0271042A2/de
Publication of EP0271042A3 publication Critical patent/EP0271042A3/de
Application granted granted Critical
Publication of EP0271042B1 publication Critical patent/EP0271042B1/de
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
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/14—Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form
    • B65B25/141—Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form packaging flat articles in boxes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/38—Delivering or advancing articles from machines; Advancing articles to or into piles by movable piling or advancing arms, frames, plates, or like members with which the articles are maintained in face contact
    • B65H29/40—Members rotated about an axis perpendicular to direction of article movement, e.g. star-wheels formed by S-shaped members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H31/00—Pile receivers
    • B65H31/04—Pile receivers with movable end support arranged to recede as pile accumulates
    • B65H31/06—Pile receivers with movable end support arranged to recede as pile accumulates the articles being piled on edge

Definitions

  • Production machines for envelopes, mailers and similar products made from paper and / or plastic webs work continuously over several hours during a work shift. At the end of the production machine, the products have to be counted packed in containers, in particular in cartons, and the filled containers either transported individually or stacked on pallets.
  • a packaging machine for the mechanical packaging of the envelopes (US-A-3,562,775). This is set up at the end of the relevant production machine immediately after the serrated lock washers of the production machine.
  • the envelopes are delivered from the serrated lock washers via a guide plate to two storage belts, which are arranged parallel to each other.
  • the storage belts are guided around a pulley on two parallel shafts, one of which is driven.
  • One strand of the storage belts lies on a storage table over which it slides.
  • the envelopes are placed in a vertical alignment on the storage belts, where they form a stack of jams, which is constantly supplemented by the serrated lock washers.
  • the envelopes are counted by a counting device.
  • a shifting device controlled by the counting device in the initial area of the stack of stacks pushes at least a certain amount of an envelope corresponding to a certain lot size of a partial stack to be packaged as a counting piece laterally out of the stack of stacks.
  • a stacking support is arranged above the level of the storage belts and is movably guided in the longitudinal direction of the storage belts by means of a longitudinal guide.
  • This stack support is constantly pressed against the direction of movement of the stack by a weighted cable pull, whereby the foremost envelopes of the stack are in the vertical Alignment can be kept.
  • the stack support has a beveled upper surface which slopes downwards in the opposite direction to the conveying direction of the stack.
  • a stop is arranged, from which the stack support which moves with the stack of stacks is stopped as soon as its side facing the stack of stack has reached the end of the packaging station, so that the front envelope enveloping it is still inside the packaging station.
  • a separating device is arranged at the beginning of the packaging station, which separates the partial stack from the stack. It has a separating sword with a wedge-shaped head and an adjoining shaft, the top of which is inclined downwards towards the packaging station.
  • the length of the separation sword is at least equal to the width of the stack.
  • the separating sword is slidably guided on a longitudinal guide that is aligned at right angles to the direction of movement of the stack.
  • the separating sword is also coupled to a drive by means of which the separating sword can be moved into the stack of stacks.
  • a sensing lever is arranged in the path of movement of the counting pieces of the stack of jams a certain distance in front of the point of separation with the separating sword.
  • the feeler lever is coupled to an electrical signal transmitter which emits an electrical signal as soon as a counting piece of the stack of jams has reached the feeler lever and pivots it during the further conveying movement.
  • This signal switches on the drive of the separating sword, so that it is pushed into the stack and divides the partial stack from it.
  • a container that is open at the bottom is lowered onto the partial stack and one of its side walls in the direction of movement of the stack is once between the separating sword and the closest individual piece of the partial stack and between the stack support and the closest individual of the stack Press the partial stack down until the partial stack is completely inside the container.
  • the container with the partial stack is pushed sideways to a slide, on which the container slides down and is thereby turned through 180 °, so that the still open opening comes to lie with the partial stack upwards.
  • the separation sword is located a certain distance from the feeler lever. This can change the number of envelopes on this route if the flexibility of the envelopes changes. Since the paper material for the envelopes is particularly sensitive to fluctuations in air humidity and ambient temperature, changes in the number of pieces per packaged partial stack can occur during the course of a day.
  • the vertically aligned cutting edge of the separating sword asked for a height that is only slightly less than the height of the envelopes.
  • the cutting edge is pushed against the closely spaced envelopes, which are additionally compressed by the restoring force of the stacking support. Since this compressive force has the greatest effect in those areas of the envelopes in which the number of layers of paper is greatest on the envelopes, and acts less strongly where the number of layers of paper is smaller, it can happen that the envelopes are more or less stand at an angle. Even with straight and exactly vertical envelopes, there is a relatively high probability that the cutting edge of the separating sword hits a envelope when it hits the stack of stacks and pushes it aside or crumples it.
  • the probability is very high that not only a single but several envelopes will be hit by the cutting edge of the separating sword and pushed aside or crumpled up. This always carries the risk of breakdowns.
  • the frictional force between the separating sword and the envelopes lying on both sides of the stack of stacks and on the other hand of the partial stack is relatively large.
  • the bevel of the wedge shape is located entirely on the side of the partial stack and, as a result, the partial stack is additionally compressed against the compressive force of the stack support. This harbors the danger that the envelopes attached to the separating sword will be carried along by it for a greater or lesser distance.
  • the compressive force acting in the jam stack prevents the counters from being pushed back into the longitudinal alignment of the jam stack.
  • the protrusion of the container can be hindered by partially or completely protruding counters. At least, however, there is a risk that the protruding counters will be crumpled up when the container is put on.
  • the invention is based on the object of specifying a method in which the various method steps, in particular the separation of the partial stack from the ostrich stack, take place with greater reliability and operational reliability than in the known method. This object is achieved by methods with the method steps according to claims 1 and 2.
  • the invention is also based on the object of specifying a packaging machine in which, due to its structure and mode of operation, greater reliability and operational safety than that of known packaging machines is to be expected. This object is achieved by automatic packaging machines with the features of claims 5 and 6.
  • the stacking support is moved in front of the head of the stacking stack and is not pushed from the stacking stack, the stacking stack is not compressed by the stacking support, so that its individual pieces are relatively loosely next to each other.
  • the counting piece protruding laterally from the stack is stopped while the individual pieces preceding the counting piece are moved further, a gap is created between the counting piece and the preceding part of the stacking pile, into which a separating part can be inserted. without hitting a single piece of the stack and shifting or crumpling it.
  • the individual pieces of the stack are shaken and, as a result of the abutment of their one side edge, aligned flush with the alignment part.
  • the individual pieces in Container can no longer be refitted in order to be able to close the container and also to achieve a pleasing appearance of the stack in the container.
  • this process step is further developed according to claim 5, the alignment of the individual pieces in the stack is additionally facilitated due to the then lower mutual contact force of the individual pieces.
  • the method according to claim 1 or claim 2 can be carried out particularly cheaply.
  • the conveying speed of the storage belts can be adjusted to a certain ratio to the conveying speed of the production machine, and that the drive of the storage belts is controlled depending on the number of individual items of the packaged goods actually conveyed, the result is that in the stacking pile the Individual pieces are conveyed at least approximately in a constant density and, as a result, there are always constant conditions at the separation point for the insertion of the separation part into the stack.
  • the stack support is provided with its own drive and this can be adjusted to the conveying speed of the storage belts also ensures that the conditions for the insertion of the separating part are always constant at the separation point, in particular that the individual pieces of the stack of stack are always largely perpendicular .
  • the separating sword itself at least partially protrudes with the tip of its head into the movement path of the counting piece in the stack and a sensor is present on this part of the separating sword which emits a control signal when the counting piece approaches or is positioned , is achieved that the processes triggered by the counter piece can be initiated and run immediately with the approach or the installation of the counter piece on the separating sword, without spatial and temporal intervals can interfere.
  • the stack support with its longitudinal guide and the separating device and the transfer device can be separated from the table frame with the storage belts and can be converted from one production machine to another production machine, which is likewise via a table frame with storage belts of the same or similar type disposes.
  • the packaging machine in particular when the stacking support is equipped with two sensors at different heights, it is possible to determine whether the stacking stack is so close to the stacking support that it bears equally against the stacking support both below and above or whether the foremost single piece is still a certain distance from the stacking support above or below, because it is particularly dependent on the wedge from the position of the surface areas with the largest number of paper layers, with the upper edge in front or vice versa with the lower edge in front at an angle and the other edge is a certain distance behind.
  • the speed of movement of the stacking support can be adjusted so that the foremost single piece of the stacking stack is aligned perpendicularly and thus parallel to the other individual pieces of the stacking stack.
  • the fact that the wheel resting on one of the support belts and rotatably mounted ensures that when the storage belts move relative to the friction wheel, the friction wheel is rotated relative to its bearing axis.
  • the friction wheel is connected to a control disk in the form of a cam disk, which cooperates with a pushbutton switch that converts a rotary movement of the control disk into corresponding control signals, a further control option is achieved with which the stack support, albeit at small intervals, does so overall is moved on evenly with the stack stack being conveyed.
  • the longitudinal grooves on the side of the separating sword facing the stack support ensure that the tines of the sliding rake can extend into these longitudinal grooves of the separating sword, so that the rear individual piece of the partial stack also has the tines of the sliding rake is detected so that it can not remain behind despite the friction on the separating sword, but is reliably moved together with the other individual pieces of the stack into the container.
  • An embodiment of the packaging machine ensures that the separating sword is first inserted into and through the gap between two of its individual pieces like a compact separating body with a small vertical dimension along the lower edge of the packaged goods, with the individual pieces being aligned above the gap has practically no meaning, that is, that a slight inclination of the individual pieces can be accepted. Only after the separating sword has been completely retracted is the upper movable part of the separating sword raised to its operating position, with the possibly not exactly vertical individual pieces of the stack being aligned vertically on both sides of the gap, so that in particular the rear individual piece of the separated partial stack has the required vertical alignment for has a perfect insertion into the container.
  • the stack is shaken at the beginning of its sliding movement, whereby the frictional engagement between the individual pieces lying against one another is significantly reduced.
  • the aligning part that moves in the direction of the container at the same time in particular a sliding rake with prongs, ensures a flush alignment of the edge of the individual pieces of the partial stack that is in contact with it, including the counting piece that originally protrudes noticeably to the side.
  • the individual pieces of the stack have a pleasing flush alignment even in the container.
  • the packaging machine 1 shown in FIG. 1 in its essential parts is set up following a production machine 2 for envelopes, mailing bags or the like.
  • this production machine 2 for envelopes, mailing bags or the like.
  • the serrated lock washers 3 are shown.
  • the transport elements of the production machine 2 bring them flat one behind the other Individual pieces of the envelopes or mailing bags are erected and lined up end to end.
  • This process can be seen in more detail in FIG. 3.
  • other devices for example suction cylinders, can also be present in order to erect and line up the individual pieces.
  • suction cylinders can also be present in order to erect and line up the individual pieces. The following explanations apply equally to this.
  • the packaging machine 1 has a storage table 4, a separating device 5, a stacking support 6 and a transfer device 7 as main assemblies.
  • the individual pieces 10 (FIG. 3) of the envelopes, mailing bags or similar products produced on the production machine from paper and / or plastic webs are lined up in succession by the serrated lock washers 3 on the storage table 4. A certain number of individual pieces are separated as partial stacks 12 from this longer row of individual pieces standing one behind the other, which will be referred to as jam stack 11 in the following, and inserted into a container 9 by transfer device 6.
  • the storage table 4 has two storage belts 13 (FIG. 2) which are designed in the manner of flat belts and are closed in a ring shape. They are arranged next to each other at a certain mutual distance.
  • the storage belts 13 are placed around two pulleys 14, which sit in pairs on a shaft 15 and 16, respectively.
  • the two shafts 15 and 16 are rotatably mounted on a table frame 17.
  • the table frame 17 is arranged after the production machine 2 such that the beginning of the storage belts 13 extends counter to the conveying direction of the stack 11, which is illustrated in FIG. 3 by the arrow 18, into the plan area of the serrated lock washers 3, as it can be seen from Figs. 3 and 4.
  • the individual pieces 10 of the Jam stacks placed directly on the storage belts 13, as illustrated in Fig. 3.
  • a baffle plate or a plurality of baffle plates 20 between the serrated lock washers 3 and the storage belts 13, which include a certain angle with the storage plane of the storage belts 13, such as it is indicated by dash-dotted lines in FIG. 3.
  • the lower edge of the individual pieces 10 guided by the slots of the serrated lock washers 3 strikes the guide plates 20 at an angle of incidence that is greater than the angle of incidence that occurs in the lower-lying storage belts 13.
  • a larger angle of incidence up to a right angle is particularly advantageous when processing such individual pieces that have only a low rigidity.
  • the shaft 15 of the storage belts 13 is driven continuously by means of an electric motor 19 via a V-belt drive 21.
  • the drive speed of the electric motor 19 is controlled by a control device 22, which receives its control signals from a tachometer generator 23, which is coupled to the shaft of the serrated lock washers 3, so that these control signals are generated as a function of the production or conveying speed of the production machine 2 .
  • the control device 22 receives control signals from a sensor 24 which is arranged in the inlet area of the serrated lock washers 3 (FIG. 3).
  • the drive signals of the storage belts 13 can be set as a function of the conveying speed of the production machine 2 by the control signals of the tachometer generator 23, which is given by the storage speed of the serrated lock washers 3. Different conditions of the stack of stacks 11 can be taken into account on the control device 22, such as the paper thickness, the number of superimposed layers at the fold and glue points, the springiness of the material, in particular at the fold points, and similar are given.
  • the sensor 24 scans the individual pieces 10 which are fed to the serrated lock washers 3 from the preceding production stations. If there are no individual pieces 10, it emits a corresponding control signal to the control device 22, by means of which the drive of the storage belts 13 is reduced in a corresponding manner. As a result, the storage belts 13 are always driven as a function of the actual feed speed of the individual pieces 10 to the stacking stack 11 and according to its actual space requirement.
  • the upper run or working run of the storage belts 13 slides over the top of a table top of the storage table 4, which is not shown in FIGS. 2 to 6, in order to avoid sagging of the upper run of the storage belts 13 under the weight load of the storage stack 11.
  • a starting support 25 is provided in the area of the storage belts 13. It is embodied by the piston rods 26 of two vertically aligned pneumatic piston drives 27 which are arranged next to one another. These piston drives 27 form a lifting device 28 for the starting support 25, by means of which the starting support 25 can be lowered into a rest position, in which it is below the level of the storage belts 13 (FIG. 5), and can be raised into an operating position (FIG. 3), in which it extends at least so high that it protects the individual piece standing at the beginning of the stack 11 from falling over and also from buckling.
  • the piston rods 26 extend beyond the center of the stack 11 with the greatest height.
  • the starting support 25 is arranged on a carriage 29 which is guided in a displaceable manner parallel to the storage belts 13 by means of a longitudinal guide 31.
  • the starting support 25 has the task, when starting up the production machine 2, to hold the individual pieces 10 of the stacking stack 11 deposited or, to be more precise, deposited by the serrated discs 3 on the storage belts 13 in the upright position (FIG. 3 and FIG. 5) until the stacking stack 11 has reached the stack support 6 (Fig. 5).
  • the starting support 25 is coupled to a drive (not explained in more detail) which ensures the forward movement or the return movement of the starting support 25.
  • the stack support 6 has a longitudinal guide 45, which is arranged above the storage belts 13 and is held by a frame 46, of which only a part is shown in FIG. 1 for the sake of clarity.
  • the stack support 6 has a slide 47 which is guided on the longitudinal guide 45 so as to be longitudinally displaceable.
  • This longitudinal guide 45 is e.g. through the use of two guide rails or guide rods 48.1 and 48.2 arranged at a certain mutual distance, so designed that they are able to absorb torques about the longitudinal axis of the guide 45 which occur on the slide 47 due to eccentric weight forces or actuation forces.
  • the guide rods 48.1 and 48.2 are metal rods with a circular cross section. Matched sliding bushes or ball bushings are arranged in the slide 47, depending on how high the sliding speeds are. Slide bushings are less sensitive to the inevitable paper dust than ball bushings.
  • a carrier 49 extends downward from the slide 47 to just above the storage table 4.
  • Three strip-shaped support elements or support strips 51 for short are fixedly attached to the support 49, which are arranged horizontally and are oriented at right angles to the path of movement of the storage belts 13.
  • the three support strips which are designated 51.1, 51.2 and 51.3 for better differentiation, extend from Carrier 49, which stands next to the path of movement of the stack 11 and the partial stack 12, at least beyond the greatest width of the stack 11.
  • Fig. 1 they are shown for the sake of simplicity so long that they reach into the container 9. In reality, they are shorter, as will be explained later.
  • the support strips 51 are arranged at a mutual distance above one another, so that there is a space 52 between each of them (FIG. 1), which in the direction of ejection of the partial stack 12, i.e. towards the container 9, is open.
  • the stack support 6 is moved at least approximately at the same conveying speed as the storage belts 13.
  • the carriage 47 is moved both in the conveying direction of the stack 11 and in the opposite direction by means of a toothed belt, not shown in the drawing. This is placed around a toothed belt pulley, which is rotatably mounted in each of the columns of the frame 46.
  • toothed belt pulleys is driven by an electric motor, also not shown, which is controlled by means of a control in the conveying direction of the stack 11 in dependence on the conveying speed of the storage belts 13.
  • the return speed is higher.
  • a spindle drive in particular one with a ball nut.
  • the control of the drive of the stack support 6 receives its control signals from two sensors 53 and 54 (FIG. 1) and from a control device 55 (FIGS. 6 and 7).
  • the sensors 53 and 54 are arranged on the stack support 6, specifically the sensor 53 on the lower support bar 51.1 and the sensor 54 on the upper support bar 51.3 (FIG. 1).
  • the sensors 53 and 54 are arranged so that they act on the side facing the stack 11. In the simplest case they extend from the side of the support strip in question away from the stack of stacks 11 through it to the other side.
  • the sensors 53 and 54 are designed so that they generate a control signal when approaching and / or when the foremost single piece of the stack of jams 11 approaches the associated support bar.
  • the control device 55 has a friction wheel 56 which is rotatably mounted on a guide 57 in the vertical alignment plane of one of the two conveyor belts 13.
  • the guide 57 is arranged on the stack support 6, specifically on its lower support bar 51.1, in such a way that the friction wheel rests on the storage belt 13 under its own weight. If necessary, the guide 57 can also be designed such that an additional spring force is exerted on the friction wheel 56 in the direction of the storage belt 13.
  • the friction wheel 56 is connected in a rotationally fixed manner to a control disk 58, which has three peripheral regions 59 on its peripheral surface, which are formed by three sections of a circular cylinder surface of equal length in the circumferential direction, which have a certain radius in relation to the axis of rotation of the control disk 58.
  • circumferential areas 61 In between there are three circumferential areas 61, the radius of their radius outside the transition point to the circumference 59 is smaller than the radius of the circumference 59.
  • These circumferential areas can be formed, for example, by three sections of a hollow circular cylinder surface of equal length.
  • These concavely curved circumferential regions 61 have a smaller extent in the circumferential direction than the convexly curved circumferential regions 59.
  • a push-button switch 62 interacts with the control disk 58. This has a pivotable sensing element 63, on the free end of which a sensing roller 64 is rotatably mounted, the radius of which is smaller than the radius of curvature of the peripheral regions 61, or vice versa.
  • the key switch 62 is arranged such that its key element, in particular the key roller 64, can interact with the control disk 58. so that when the feeler roller 64 rolls on the convexly curved peripheral regions 59, the pushbutton switch 62 is in the one switching position and that when the feeler roller 64 rolls on the concavely curved peripheral regions 61, the pushbutton switch 62 is in the other switching position and, in doing so, corresponding control signals to the Control circuit for driving the stack support 6 outputs.
  • control signals of the two sensors 53 and 54 and that of the key switch 62 interact via an AND operation in such a way that the drive of the stack support 6 is switched on in the presence of all three input signals and that in the absence only one of the three input signals of the drive of the stack support 6 is switched off.
  • This control ensures that an actuation signal for driving the stack support 6 is only emitted via the two sensors 53 and 54 when the stack of stacks 11 generates a control signal at both sensors 53 and 54.
  • the key switch 62 must be switched on. If this is assumed in the position of the control disk 58 and the pushbutton 63 shown in FIG. 6, however, an actuation signal is not yet generated because the lower sensor 53 does not yet emit a corresponding control signal. In such a case, the stack support 6 remains at rest while the Storage belts 13 continue to run and the stack of stacks 11 continue to move in the direction of the stack support 6.
  • the stack support 6 is then moved a certain distance, the length of which is predetermined by the setting parameters of the control circuit.
  • the feed speed of the stack support 6 is in any case chosen to be greater than the average conveying speed of the storage belts 13.
  • the stack support 6 executes an intermittent subsequent movement with respect to the storage belts 13.
  • This intermittent subsequent movement has an effect because of the small vocationalage steps and because of the sufficiently large ones Upsetting of the stacking stack 11 only on relatively few individual pieces at the head of the stacking stack 11. It is therefore harmless for the uniform conveyance of the larger part of the stack 11.
  • This type of control and actuation of the drive of the stack support has the great advantage that it is always moved in accordance with the actual conveying movement of the stack 11, and thereby, for example, changes in the compressibility or the elastic stretch of the stack of jams are automatically taken into account, such as can occur when changing the paper roll at the beginning of the production machine.
  • the separating device 5 includes an auxiliary device, not shown in the drawing, which is arranged on the production machine on the outlet side of the serrated lock washers 3.
  • This auxiliary device has a counter and a displacement device controlled by the counter.
  • a sensor of the counter similar to the sensor 24 (FIG. 3), detects the number of individual pieces 10 passed through the serrated disks 3 from the production machine 2 to the packaging machine 1.
  • the displacement device shifts the individual piece corresponding to a certain number of individual pieces out of the normal movement path the individual pieces 10 and the stack of jams 11 by a certain distance to the side on which the separating device 5 is located. This pushed-out single piece moves as a counting piece 65 with the storage stack, as can be seen from FIG. 1.
  • the separating device 5 is arranged at a certain distance from the serrated lock washers 3 of the production machine 2, as can be seen from FIG. 1.
  • the extent of this distance depends on the compressibility of the stack 11, on the working speed of the production machine 2, on the thickness of the separating element of the separating device 5 and on the Working speed of the separating device 5 and the transfer device 7. This dimension is expediently between 100 mm and 500 mm.
  • the separating device 5 has a separating sword 66 as a separating element with a wedge-shaped head 67 and a shaft 68 adjoining it.
  • the separating sword 66 is divided over its entire length along a separating joint 69 running in a horizontal plane into two parts, namely into the lower part 71 and the upper part 72 (FIGS. 8 and 12).
  • the lower part 71 is fixedly connected to two spacers 73.
  • the upper part 72 is connected to a carriage 74 (FIG. 1) which can be moved vertically on the spacers 73 serving as a longitudinal guide.
  • the spacers 73 are connected to a holding head 75, which is arranged higher than the greatest possible height of the stack 11 above the storage plane of the storage belts 13.
  • the holding head 75 is guided in a horizontal direction by means of a longitudinal guide 76 on a post 77, the direction of displacement being oriented at right angles to the path of movement of the stack 11.
  • a longitudinal guide 76 on a post 77 Both on the carriage 74 and on the post 77 there are sliding bushes for guiding the relevant rod parts.
  • a pneumatic piston drive (not shown) serves as the drive.
  • the free length of the separating sword 66 outside the connection with the spacers 73 is at least the same size, but expediently somewhat larger than the greatest possible width of the stack of stacks 11 to be processed.
  • the holding head 75, the longitudinal guide 76 and the post 77 are designed and arranged such that the separating sword 66 between a rest position, which is extended in FIG. 8 is shown, and a separation position, which is shown in broken lines in Fig. 8, can be moved back and forth.
  • the tip of the head 67 of the separating sword 66 is in the path of movement of the counting pieces 65 (FIGS. 1 and 8).
  • the separation sword 66 In the separation position, the separation sword 66 extends through the stack of stacks 11, with at least the tip of the head 67, if not the entire head 67, protruding from the stack of stacks 11 on the other side.
  • a sensor 78 is arranged on the lower part 71 of the separating sword 66 at the tip of the head 67 on the side facing the serrated lock washers 3, which sensor is preferably designed as an optical sensor.
  • This has a light guide 79 in the form of a glass fiber cable, the end of which is remote from the sensor 78 in a converter housing 81, in part with a light source, e.g. is optically coupled with a light-emitting diode, and in part with an optoelectronic converter.
  • the sensor 78 works as a diffuse sensor. Overall, it is designed and arranged such that it emits a control signal when a counting piece 65 approaches, in particular when it is in contact with the sensor 78.
  • a delay element is switched on, which only emits an actuation signal for driving the holding head 75 with the separating sword 66 a certain time after the control signal of the sensor 78 occurs.
  • the separating sword 66 remains in its rest position for a short period of time, during which the stack of stiles 11 is pushed somewhat beyond the line of separation sword 66 beyond the part of the counting piece adjacent to the separating sword 66 and the individual pieces adjoining it, through the subsequent stacking stack 11. This creates a gap between the counting piece 65 and the individual pieces preceding it, as can be seen from FIG. 10.
  • the separating sword 66 With the separating sword 66 in the separating position, the upper part 72 is raised parallel to itself, as a result of which the partial stack 12 is also separated from the subsequent stacking stack 11 in its upper region (FIG. 9).
  • the latter add the individual pieces to the already existing individual pieces of the stack 11 and line them up.
  • the separated partial stack 12 is then displaced by the transfer device 7 transversely to its previous direction of movement in the direction of the container 9 and finally pushed completely into the container 9.
  • the transfer device 7 is designed as a displacement device. It has a slideway 82 for the partial stack 12, which extends from the storage belts 13 to the filling station of the container 9 (FIG. 14).
  • the transfer or shifting device 7 has a shifting rake 83 with two prongs 84 (FIGS. 14 and 1).
  • the two prongs 84 are fastened to one another on a support body 85 which is guided on a longitudinal guide 86 so as to be displaceable in the horizontal direction, the displacement direction being oriented at right angles to the movement path of the two storage belts 13.
  • the tines 84 extend past the support strips 51 of the stack support 6, either above or below the support strips or through a gap between two adjacent support strips 51 to the point of separation with the separating sword 66.
  • the free ends of the prongs 84 extend into the plan area of the separating sword 66.
  • the lower part 71 and the upper part 72 of the separating sword 66 each have a longitudinal groove 87 or 88 on the side facing the sliding rake 83, which are aligned parallel to the horizontally oriented longitudinal axis of the separating sword 66 and parallel to its path of movement.
  • the longitudinal grooves 87 and 88 open at both ends of the separating sword 66.
  • the cross section of the two longitudinal grooves 87 and 88 has a greater height than the height of the prongs 84 of the sliding rake 83.
  • the two prongs are designated 84.1 and 84.2 for better distinction.
  • the lower prong 84.1 is arranged at the same height as the longitudinal groove 87 in the lower part 71 (FIG. 12).
  • the upper prong 84.2 is arranged at the height which the longitudinal groove 88 of the upper part 72 occupies when the upper part 72 of the separating sword 66 is in the raised separating position, which is designated 72 'in FIGS. 9 and 10. Since the upper part 72 can be moved to different height positions, the upper prong 84.2 is also connected to the support body 85 so as to be adjustable in height.
  • a toothed belt (not shown), which is guided around two toothed belt pulleys which are rotatably mounted on the two posts of the longitudinal guide 86, serves as the drive for the sliding rake 83, only one post 89 of which is shown in FIG. 1 for the sake of clarity.
  • One of these two toothed belt pulleys is driven by an electric motor.
  • the partial stack 12 While the partial stack 12 is separated from the subsequent stack 11 by the separating sword 66 and then the upper part 72 of the separating sword 66 is raised, the stack support 6 with the continuous conveyor belts 13 moves continuously away from the separation point.
  • the partial stack can expand and loosen at least in its upper regions.
  • a vibrating device is arranged in the floor plan area of the partial stack 12 (FIG. 14), the vibrating table (not shown) of which is installed in the storage table 4.
  • the upper run of the storage belts 13 lies on the vibrating table.
  • the vibrating table is expediently arranged in such a height that its upper side is not lower than the upper side of the depositing table 4 even in the lower reversal point of the vibrating movement.
  • the sub-stack 12 abuts the prongs 84 of the sliding rake 83 so that, under the loosening effect of the shaking movement, the side edge of all the individual pieces of the sub-stack 12 finally abuts the prongs 84 and thus all the individual pieces are aligned flush with one another.
  • the stack support 6 is moved out of its temporary end position (FIG. 14) in the direction of the separating sword 66 into a sliding position (FIG. 15).
  • the partial stack 12 is compressed in the longitudinal direction, namely counter to the direction of its original conveying movement on the storage belts 13, to such an extent that its longitudinal extent is smaller than the inside width of the container 9.
  • the partial stack 12 is moved by the displacement device 7 by means of of the sliding rake 83 pushed over the slideway 82 in the direction of the container 9 (FIG. 16) and finally pushed into it.
  • the support strips 51 of the stack support 6 and the two parts of the separating blade 66 serve as end guides for the partial stack 12. Since the separating blade 66 projects only slightly beyond the width of the partial stack 12, there is one in the line of alignment of its two parts arranged further strip-shaped guide element, which take over the guiding task of the separating sword 66 in the further course of the sliding movement of the partial stack 12 (FIG. 16).
  • These strip-shaped guide elements or guide strips 91 for short extend in the direction of overlap of the partial stack 12 from the storage belts 13 at least approximately as far as the support strips 51 of the stack support 6.
  • the guide strips 91 and the support strips 51 extend to a point which is different from the original Movement path of the partial stack 12 is further away than the container 9 is deep.
  • the container 9 can be pushed onto the ends of the guide strips 91 and the support strips 51 until the bottom rests against the latter, without first touching the partial stack 12 .
  • the container 9 is only partially pushed open for the sake of clarity.
  • the sliding rake 83 is moved back into its starting position or rest position (FIG. 1) in which its prongs 84 are on the side of the separating device 5 stand next to the path of movement of the stack 11.
  • the stack support 6 changes from the over-axis position to that in the disconnected position persistent separation sword 65 moved back.
  • the separating sword 65 is moved back out of the path of movement of the stack of stacks 11 into its rest position (FIG. 1), after which the stack support 6 with its support strips 51 again supports the front end of the stack of stacks 11 and in advance step by step in the direction of the transfer position hikes there.
  • the correct interaction of all parts of the packaging machine 1 is facilitated in that the separating device 5, the stack support 6 with its frame 46 and the displacement device 7 are arranged on a common base frame 100, which is indicated in FIG. 1 only as a smaller plate for the sake of clarity which in reality has the shape of a rack.
  • This base frame 100 and the storage table 4 are detachably connected together.
  • the part of the packaging machine 1 combined with the base frame can be detached in one production machine and attached to another production machine if the work table is of the same type as the work table 4.
  • the separating device 102 of which is also equipped with a separating sword 103, essentially only the type of detection of the counting pieces is modified, which will be explained only below.
  • individual assemblies or components are not explained in more detail, it can be assumed that they are designed and arranged identically or at least similarly to the corresponding assemblies or components of the packaging machine 1 and act in the same or a similar manner.
  • the auxiliary device for the separating device 102 arranged in the outlet area of the serrated washers of the production machine is located on the same side as the separating device 102.
  • This auxiliary device accordingly shifts the individual pieces of the stacking stack 105 serving as counting pieces 104 by a certain distance on the opposite side. This creates a small primary gap 106 on the side of the separating device 102 in the area of the counting pieces 104 on the side of the accumulation stack 105.
  • the optical sensor 107 is designed and arranged on the separating sword 103 so that it responds to the primary gap 106 when it arrives and emits a control signal.
  • the control circuit of the packaging machine 101 switches on the drive of the separating sword 103 in such a way that the tip of the separating sword 103 is first moved into the primary gap 106 at most by the depth thereof and that the separating sword 103 is then driven for one is switched off for a short period of time or at least delayed.
  • the individual pieces of the stack 105 that adjoin the primary gap 106 are stopped at their edge region by the separating sword 103, while the remaining part of these individual pieces is pushed on by the subsequent individual pieces.
  • the counting pieces also move further with their edge, so that a secondary gap arises between them and the individual pieces of the stacking stack 105 adjoining them, which gap becomes increasingly larger.
  • the control circuit of the packaging machine 101 switches the drive of the separating sword 103 on again and pushes the separating sword 103 into the secondary gap and through the stack 105.
  • the separating sword 103 like the separating final value 66, is formed in two parts. After fully inserting it into the stack, the upper part of the separating blade 103 is raised to the upper area of the stack 105, thereby completely separating the preceding part of the stack from the subsequent stack 105 as a partial stack 108. The remaining processes for packaging the partial stack 108 take place in the same way as for the partial stack 12.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Container Filling Or Packaging Operations (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Basic Packing Technique (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Paper (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Making Paper Articles (AREA)
EP87118061A 1986-12-08 1987-12-07 Verpackungsverfahren und Verpackungsautomat für Briefhüllen und Versandtaschen Expired - Lifetime EP0271042B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87118061T ATE86569T1 (de) 1986-12-08 1987-12-07 Verpackungsverfahren und verpackungsautomat fuer briefhuellen und versandtaschen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863641859 DE3641859A1 (de) 1986-12-08 1986-12-08 Verfahren zum automatischen verpacken von briefhuellen und versandtaschen in ein behaeltnis und verpackungsautomat insbesondere zum durchfuehren der verfahren
DE3641859 1986-12-08

Publications (3)

Publication Number Publication Date
EP0271042A2 EP0271042A2 (de) 1988-06-15
EP0271042A3 EP0271042A3 (en) 1989-05-10
EP0271042B1 true EP0271042B1 (de) 1993-03-10

Family

ID=6315696

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87118061A Expired - Lifetime EP0271042B1 (de) 1986-12-08 1987-12-07 Verpackungsverfahren und Verpackungsautomat für Briefhüllen und Versandtaschen

Country Status (10)

Country Link
US (1) US4879862A (da)
EP (1) EP0271042B1 (da)
JP (1) JPS63218006A (da)
AT (1) ATE86569T1 (da)
CA (1) CA1295976C (da)
DE (2) DE3641859A1 (da)
DK (1) DK640387A (da)
ES (1) ES2041257T3 (da)
FI (1) FI87438C (da)
NO (1) NO875117L (da)

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CN101833118B (zh) * 2009-10-22 2012-10-31 昆山鼎鑫电子有限公司 Pcb水平线卡板检测方法
CN103771177A (zh) * 2009-03-26 2014-05-07 温科尼克斯多夫国际有限公司 用于给薄壁的输送容器装填有价票据的装置
CN104590612A (zh) * 2015-01-20 2015-05-06 杭州中亚机械股份有限公司 一种投放装置

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IT1395156B1 (it) * 2009-08-07 2012-09-05 Mazzola Metodo ed apparecchiatura per la separazione di pacchi da una pila di segnature in formazione
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CN102502005A (zh) * 2011-11-17 2012-06-20 武汉人天包装技术有限公司 圆柱型药卷分流进料整形装置
DE102012008242A1 (de) * 2012-04-25 2013-10-31 Giesecke & Devrient Gmbh Greifeinrichtung zum Greifen von Blattgut
DE102012219566A1 (de) * 2012-10-25 2014-04-30 Krones Ag Verfahren zum Aussondern eines Gegenstands
CN102941947B (zh) * 2012-11-22 2014-10-01 天津普达软件技术有限公司 生产线上瓶盖通过数计量装置及方法
CN103964015A (zh) * 2013-01-29 2014-08-06 昆山尚达智机械有限公司 一种秸秆成型包装一体机
CN103448933B (zh) * 2013-09-17 2015-06-03 淄博荣琦自动化科技有限公司 自动装盒机
DE112014004910A5 (de) * 2013-10-27 2016-07-07 B & B - Maf Gmbh & Co. Kg Vorrichtung und Verfahren für das Bilden von Stapeln
CN104528041B (zh) * 2014-12-18 2017-12-15 佛山市南海区竟佳工控设备有限公司 自动套盖管材包装机
US11104533B2 (en) * 2017-07-17 2021-08-31 Norden Machinery Ab Carton stack divider and method for dividing a stack
EP3590850B1 (de) * 2018-07-02 2021-05-05 H+H GmbH & Co. KG Verfahren und vorrichtung zum stapeln und verpacken von falzprodukten
CN111498401A (zh) * 2019-01-31 2020-08-07 泰科电子(上海)有限公司 部件输送装置和方法
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CN112455812A (zh) * 2020-11-12 2021-03-09 覃姣娜 一种用于面包包装设备
CN113665894B (zh) * 2021-08-31 2022-09-16 泰州海达塑胶包装有限公司 一种自动化打包装盒生产线
CN114013726B (zh) * 2021-11-16 2023-08-01 安徽青松食品有限公司 一种面包定型与打包装置
CN115946459B (zh) * 2023-01-09 2023-11-17 淮安嘉源包装有限公司 一种基于水性油墨的包装盒绿色印刷工艺
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CN101833118B (zh) * 2009-10-22 2012-10-31 昆山鼎鑫电子有限公司 Pcb水平线卡板检测方法
CN104590612A (zh) * 2015-01-20 2015-05-06 杭州中亚机械股份有限公司 一种投放装置

Also Published As

Publication number Publication date
FI875392A0 (fi) 1987-12-08
NO875117L (no) 1988-06-09
DE3641859A1 (de) 1988-06-09
FI875392A (fi) 1988-06-09
US4879862A (en) 1989-11-14
CA1295976C (en) 1992-02-18
DE3784648D1 (de) 1993-04-15
JPS63218006A (ja) 1988-09-12
FI87438B (fi) 1992-09-30
ATE86569T1 (de) 1993-03-15
NO875117D0 (no) 1987-12-08
FI87438C (fi) 1993-01-11
DK640387A (da) 1988-06-09
EP0271042A3 (en) 1989-05-10
DE3641859C2 (da) 1992-05-21
DK640387D0 (da) 1987-12-07
ES2041257T3 (es) 1993-11-16
EP0271042A2 (de) 1988-06-15

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