WO2016113179A1 - Verfahren zum umlegen von bändern um objekte und entsprechende maschinen - Google Patents
Verfahren zum umlegen von bändern um objekte und entsprechende maschinen Download PDFInfo
- Publication number
- WO2016113179A1 WO2016113179A1 PCT/EP2016/050212 EP2016050212W WO2016113179A1 WO 2016113179 A1 WO2016113179 A1 WO 2016113179A1 EP 2016050212 W EP2016050212 W EP 2016050212W WO 2016113179 A1 WO2016113179 A1 WO 2016113179A1
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- WIPO (PCT)
- Prior art keywords
- band
- belt
- tape
- loop
- around
- Prior art date
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Classifications
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- 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
- B65B13/00—Bundling articles
- B65B13/02—Applying and securing binding material around articles or groups of articles, e.g. using strings, wires, strips, bands or tapes
- B65B13/04—Applying and securing binding material around articles or groups of articles, e.g. using strings, wires, strips, bands or tapes with means for guiding the binding material around the articles prior to severing from supply
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
- B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
-
- 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
- B65B13/00—Bundling articles
- B65B13/18—Details of, or auxiliary devices used in, bundling machines or bundling tools
- B65B13/185—Details of tools
- B65B13/187—Motor means
-
- 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
- B65B13/00—Bundling articles
- B65B13/18—Details of, or auxiliary devices used in, bundling machines or bundling tools
- B65B13/22—Means for controlling tension of binding means
-
- 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
- B65B13/00—Bundling articles
- B65B13/18—Details of, or auxiliary devices used in, bundling machines or bundling tools
- B65B13/24—Securing ends of binding 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
- B65B13/00—Bundling articles
- B65B13/18—Details of, or auxiliary devices used in, bundling machines or bundling tools
- B65B13/24—Securing ends of binding material
- B65B13/32—Securing ends of binding material by welding, soldering, or heat-sealing; by applying adhesive
Definitions
- the invention relates to a method for transferring a band around at least one object in which the at least one object is surrounded by a belt, wherein the band is arranged in the form of an object band loop around the at least one object such that at least two band sections be overlapped and connected, wherein in a region in which the at least two band portions are overlapped, a counter-pressure plate between the at least one object and the band is introduced and the at least two overlapping band portions are pressed to connect against the counter-pressure plate.
- the invention relates to a device for introducing a counter-pressure plate between a belt and an object which is located on a conveying plane and a machine which uses this device and can carry out the method according to the invention.
- the strip typically consists of paper or plastic and is guided and joined around the objects to be banded in special wire-cutting machines, e.g. by welding. If, during banding, the band is laid around the objects in the direction of conveyance of the objects or objects to be lowered, this is referred to as longitudinal bordoldering.
- Both bandoliering and strapping are techniques for transferring ribbons around objects.
- the term “relocating tapes around objects” is to be understood as meaning that one or more tapes are placed and joined around one or more objects.
- the word “flipping” does not specify the base pitch, but merely designates the position of the tape or the bands relative to the object or objects.
- bands When strapping the bands are often referred to as tires or straps.
- the word "ribbon” is to be understood, unless otherwise indicated, as including bands that can be used for banding as well as straps that can be used for strapping.
- the beginning of the tape is released from the rear holder and pressed by a Ba nda nfangshaltevorcardi at a rear position against the platen.
- the tape guide now holds the tape below the conveyor plane, it is taken up by a loop puller and looped into the region between the front and the tape top retainer.
- the rear holder engages the loop and holds the band in the lower part.
- Another holding device which is a clamp here, consisting of the rear holding device and a second terminal part, holds the upper part of the Schla tions firmly.
- the loop is cut open and pulled straight through the loop puller.
- the beginning of the tape and the end of the tape are now overlapping and welded together.
- the counter-pressure plate generates the necessary back pressure.
- the loop is not cut open but welded as a loop.
- EP 0 401 554 A1 (Büttner) also describes a longitudinal banding method. While the tape is placed around the object in a similar manner as in the aforementioned documents, the tape control differs in the mounting area. In EP 0 401 554 A 1, a gripper assumes a central role. This moves much more often and must cover longer distances than the holding devices in the aforementioned documents. Since the gripper has to rotate around itself again and again to prevent the Ba nd wound around the gripper.
- a counter-pressure plate is used. This plate must be movable and brought between the band and the object and removed from there. The removal is rather unproblematic, since the band is already welded at the time and has a certain stability with the spa. A collision of tape and counter-pressure plate during insertion, however, is to be avoided. A loosely strained band can twist or fall out of the lead at one Contact with the counterpressure plate in this process step. A tighter band risks being damaged or destroyed.
- the counter-pressure plate is inserted at a moment in which there is a distance between the object and the belt and that when the gripper and the rear holding device are far behind and deep below the object.
- the Ba nd which is entrained by the tape to be transferred, preferably to be banded and / or the object to be strapped, thus runs from the front lower edge of the object or from the front edge of an opening in the conveyor table obliquely down to the gripper or the rear fixture , This creates a space with a triangular cross-section between the band and the object. This can be used to m slot of the plate.
- the counter-pressure plate should come to lie completely below the band to be transferred, preferably to the base and / or the object to be strapped.
- the initial position of gripper or rear fixture is provided by the machine and typically, to keep the paths short, horizontal near the rear end of the platen. If the front edge of an object in the position in which the object just barely covers the counterpressure plate is only slightly above the future position of the front edge of the counterpressure plate, then the Freira is very limited and, depending on the thickness of the counterpressure plate, too small. There is thus the danger that the counter-pressure plate shifts the Ba nd when inserting or even damaged.
- the at least one object is surrounded by a band.
- the band is arranged in the form of an object strap loop around the at least one object in such a way that at least two strap sections are brought to overlap and connected.
- a back pressure plate is interposed between the at least one object and the band.
- the at least two overlapping band sections are pressed against the counterpressure plate for connection.
- the method is characterized in that prior to the introduction of the counter-pressure plate, the band is guided and / or positioned by a band guide device, so that a defined free space for introducing the counter-pressure plate is created.
- the tape can be performed specifically in the area of the platen. This can create a defined space to m introducing the counter-pressure plate.
- a Freira can, for example, have a rectangular cross-section. Clearances with substantially triangular cross-sections, as present in the prior art, can be avoided accordingly.
- You rch the creation of a defined clearance can holding devices and / or joining devices and / or other components of the machine nä ago be placed at the position of the introduced counter pressure plate.
- the paths of moving parts can be optimized, thereby increasing precision and / or speed.
- tape guide device and counter-pressure plate are part of the same machine and regardless of the band to be transferred from the band, preferably the ba nderolierenden and / or the objects to be strapped.
- the band is at least partially guided in the conveying direction of the object around this.
- an object band loop around the object is formed at least partially by a movement of the object in a conveying direction.
- the conveying direction corresponds to the direction in which the tape to be transferred, preferably to be banded, and / or the object to be strapped moves.
- a plane on which the object to be transferred from the belt moves, preferably the object to be rolled or the object to be strapped, is referred to as the conveying plane.
- the indication of the conveying direction makes it possible to define orientations:
- An arrow pointing in the conveying direction should be understood in the present case in such a way that it points from the back to the front. If this arrow presents itself as a counting beam defining a coordinate axis in the positive direction, then a first point which lies before a second point has a higher value of this coordinate.
- the term "front” is thus to be understood as an area which, with regard to the conveying direction, lies in front of a region located further back.
- the term “back” is to be understood as an area which, with regard to the conveying direction, lies behind a further forward region.
- the object In a longitudinal bordoldering process and / or longitudinal deflection, the object is typically moved against the belt loosely stretched in the region between the conveying plane and a belt guide above the conveying plane.
- the Ba nd projects, for example, through an opening in the conveying plane.
- the Ba nd is everted during the movement of the object and lies partially around this.
- an object strap loop is formed.
- the surfaces of the object in the wrapping area remain open, whose (local) normal vectors point against the direction of movement.
- the wrapping area is said to describe the volume in which the band can move during the wrapping of the object.
- the depth of this volume is equal to the width of the wall.
- the wrapping area is in Ra so that the pbandschlaufe or undisturbed gespa nnte Banda section is completely in it.
- the undisturbed tensioned band section forms a boundary of the wrapping area. From there it spreads in the conveying direction.
- the top and bottom of the wrapping area are therefore at the level of the upper or lower Limitation of undisturbed tensioned tape section. Towards the front the wrapping area should not be limited.
- the tape guiding device is preferably movable, in particular so that it can move in the conveying direction and / or transversely to the conveying direction.
- the tape guide device is movable both in the conveying direction and transversely to the conveying direction.
- the tape guiding device starts at a position that is above or behind a lower grip point.
- the lower detention point is the location where the tape is held underneath the object. There is no band in this place for most of the process. A risk of collision is therefore excluded.
- the tape is moved through the object in the conveying direction.
- the belt guiding device should also move in the conveying direction. Such a movement also achieves a free space in which the boundaries "underside of the object" and "band" are essentially parallel to each other over a relatively long distance.
- a possible starting point lies inside the loop, ie the ground loops into which an object is then placed.
- the movement of the tape guiding device could then, for example down or diagonally from top to bottom and from the point of attachment of the loop to the edge of the platen further away from that point in the horizontal direction.
- the mounting device can still move even when in contact with the belt.
- This allows the belt to be moved to a new position.
- the tape guide device may travel a location that is at the same height as the lower grip point. In the horizontal, this location is on the other side of the platen and / or the position of the platen when it is between tape and object.
- Another way of contacting the tape and tape guiding device is, for example, that the tape is deliberately brought into contact with the tape guiding device while the tape feeding device is not moving or resting , This could e.g. are made by a hook, by an air pressure pulse, by changing the base pitch by changing the position of the point where a part of the tape is held, etc. It is also possible that both the tape and the tape guiding device be moved to make the contact.
- the tape guiding device is a base hook.
- Such a hook preferably has a shape similar to a L.
- the tape guide device is advantageously an L-shaped tape guide hook.
- the short leg is preferably at least as long as the band is wide. Over the long leg, typically at the end, the hook is guided.
- This guide is done via a suitable mechanism, so for example with the aid of suitable cams, guide elements and a motor or by, for example, a hydraulic or pneumatic control, by means of electromagnets or cables or other methods for carrying out a controlled Bewegu ng. It can also be because that the length of the legs is verta itchy or the legs are the same length. The choice of the length depends on the width of the base, the drive and the construction of the machine.
- the legs do not have to be at right angles to each other. This can also serve to make the structure of the machine more flexible and also a lateral slipping of the band can be difficult.
- the end of the thigh contacting the band may be rounded or specially smoothed. The latter can either be done directly by the material processing or by a Be Mrsungsu ng. Such a coating may be comparatively thick or very thin. Such a treatment can reduce the risk that the tape will be damaged by contact with the hook.
- the hook may be wholly or partially coated to either allow the tape to slide better and / or to prevent it from slipping sideways.
- the hook may be grounded to prevent electrostatic charging of the belt and hanger.
- one leg serves to attach the hook at the desired location.
- the hook can be used both in the longitudinal banding or longitudinal strapping as well as in another banding and / or winding method as in the case of a loop method as a band guiding device.
- the tape guide device may also be another component of the machine which is located at the desired position a and around which the tape can be laid.
- a material-locking and / or positive-locking connection is produced when connecting the overlapping band sections, in particular with the aid of a joining device.
- Typical cohesive bonding methods are, for example, welding, gluing and / or fusing.
- a form-locking connection of two bands can be achieved inter alia by suitable embossing, punching and / or folding or, for example, knots.
- suitable embossing, punching and / or folding or, for example, knots In the welding process, in particular ultrasonic welding is preferred.
- the joining device performs the desired Vietnamesesverfa hear, the back pressure plate can hold the necessary back pressure.
- a joining device may, for example, be a welding head, in particular an ultrasonic welding head. However, it may also be Schulamellen, which are pushed between the bands and a stamp that presses the heated bands against the counter-pressure plate. For example, adhesive can be applied by the joining device. The Bä countries can be pressed to join then, for example, with a stamp against the platen.
- the joining device may also include an embossing tool, for example a punching tool.
- the joining device can, for example, fold or knot.
- the joining device is chosen so that it can perform the desired method, in particular by using the counter-pressure plate.
- the counter-pressure plate is planar in an advantageous embodiment. This is not mandatory. In particular, the embodiment of the counter-pressure plate is adapted to the particular connection behavior.
- connection method can basically be selected independently of the selected banding or repositioning method. It can also be chosen independently of the specific embodiment of the tape guide device. Since all combinations are possible in principle.
- a cohesive connection is produced, in particular by a welding process, preferably by an ultrasonic welding process
- the tapes used in banding machines and / or strapping machines are plastic or coated paper. Welding processes result in stable bonds and do not require movement of the bands. Therefore, they can be well integrated into the machine, such as a banding and / or strapping machine. Welding based on heat often requires special tapes or coatings. Ultrasonic welding allows a wider choice of materials. It also has the advantage that hardly any heat, exhaust gases or dust arise. Bonded joints often take longer to fully load. On the other hand, a is hardly affected by the appearance of the tapes.
- Positive connections have the advantage that they can often be produced almost purely mechanically and quickly (for example stamping and punching).
- connection method is advantageously matched to the material of the band.
- a belt tension is controlled by a belt tensioner during the entire process.
- the band tensioner has a device through which the band passes.
- it is located between a tape source, such as a supply reel and the conveying plane.
- the tape tensioner is disposed between the tape source and an area at which the tape, coming from the tape source, for the first time has the opportunity to come in contact with the object.
- the band tensioner comprises at least two elements between which the band passes and wherein at least one of the elements is displaceable relative to the other member.
- a first element may be, for example, a jaw, a roller or a pin.
- the first element is characterized in particular by the fact that the tape can be pressed non-destructively and that it can be moved relative to the second element, which can be shaped quite differently than the first element, such that a moving between the two elements band is slowed down in his movement.
- at least one of the elements is a roller which rotates at a certain speed or in which the rotational speed can not exceed or fall short of certain minimum and / or maximum values.
- a special motor can be used to generate the desired speed and / or control thereof.
- Another possibility is that the movement of another engine of the machine shared and appropriately deflected and implemented. Instead of a rotating roller, it may be a jaw or a pin or other element that can move in the belt extension direction.
- the pressure between the two elements can be so high in this embodiment that the static friction of the band on the at least one roller is greater than the sliding friction.
- the tape is therefore transported in a controlled manner via the rotation of the roll or a tape movement is controlled by the roll.
- the pressure between the elements can be generated, for example, by a spring, by magnetic forces, by a pneumatic or hydraulic device, by the weight of one of the elements, or by other types of power transmission. It is also possible in principle that a distance between the two elements is fixed.
- the adhesive and / or sliding friction properties between the elements or the contact surfaces of the elements and the tape can be suitably influenced by coatings or surface structures.
- the tape tension is changed during the process.
- the strip tension is set lower during a first contact of the strip with the object than during the period in which the at least two strip sections are brought to m piles.
- a method for transferring a tape around one or more objects preferably a banding method and / or a re-aging method
- a higher Bandspa tion for the actual allocation process (preferably a Bandandering ning or strapping) desired, for example, to securely and firmly enclose the object.
- Both requirements can be fulfilled by a band tension which can be changed during the process.
- the band tension can be low at the time of initial contact and can be increased before the band is connected.
- At the time of increased Bandspannu ng Konta kt Chemistry between object and band may already be significantly larger than at the time of initial contact, so that the object is not damaged by the higher belt tension at a later date.
- a similar change in belt tension can also prevent an object moving out of a stack of things that project differently in the direction of conveyance from shifting against one another or keeping the displacement smaller than would be the case without changing the belt tension.
- the Bandspa tion is initially large and since nn is reduced.
- an edge or side of the object can be intentionally violated in order, for example, to prevent a comparatively loose band from slipping off the object.
- the belt tension can be changed by various mechanisms: In a belt tensioner which uses sliding friction, ie in which the belt passes between two elements essentially resting with respect to the belt, the belt tension is changed by a change in pressure between controlled by the two elements. It could also be the surface properties of the Band and / or one and / or both elements are changed. This is done, for example, by applying a lubricant or inserting intermediate layers.
- the belt tension may preferably be made by changing the moving speed of the moving parts. If a motor is used to drive and / or control, for example, its speed can be adjusted.
- the base voltage is regulated by a control unit, in particular by electrical signals.
- the control of the belt tension via a control unit has the advantage of user-friendliness and safety.
- the user should not directly for safety reasons on a component of a machine that is not explicitly intended to handle it.
- the belt tensioner is mounted and / or executed so that it is also directly and without Steueru ng at any time adjustable so that the belt tension is changed.
- Electrical signals have the advantage that they can be generated and transmitted well and that one has a relatively large freedom in the choice of the transmission path. This is less straightforward, for example, with cables which would also enable signal transmission. Wireless signal transmission using electromagnetic waves requires special receivers on the belt tensioner. By contrast, with the aid of a suitable electrical signal, it is possible to use a motor or a brake which influences or controls the movement of an element or the pressure between the elements. direct control. Even a pump, valves and other controls a pneumatic or hydraulic mechanism can be electrically influenced. The pressure change between the elements can be adjusted directly by means of suitable cables in many pressure generating methods. An advantage of electrical signals, however, is that they can be relatively easily and in the usual form today form of programmable control units or change.
- Suitable sensors may be incorporated directly into the belt tensioner and for example measure how much one or more of the elements are pulled from the belt in the belt direction or what the torque of the belt is on, e.g. is a role. Together with the beka nnten sliding and / or static friction properties between the measured element and the tape can be determined from a force and thus the belt tension.
- One or more comparable sensors could also attach (additionally or alternatively) to the lower retention point.
- the tape may be selectively deflected at one location (e.g., along the tape guide described later and behind the tape tensioner) by a movable but spring loaded test rod coupled to a sensor and detecting the movement or deflection of that test rod.
- a movable but spring loaded test rod coupled to a sensor and detecting the movement or deflection of that test rod.
- the torque caused by the belt tension may show itself in current and / or voltage signals.
- the belt tension can be measured.
- the actual sensors for example a voltmeter and / or ammeter
- a preferred method of moving a base around one or more objects includes a method of looping the object loop around the object and which comprises one or more of the following steps (the complete method steps are also referred to below as the "method for laying an object strap loop"):
- the rear holding device here represents the lower holding point.
- the rear holding device defines, inter alia, the position of the lower end of the free-tensioned belt before it comes into contact with the band to be transferred, preferably the ba nderolierenden and / or the object to be strapped ,
- the tape guide At the tape guide, at the position in a plane above the object, is the position of the upper end of the free-tensioned tape.
- the rear retainer holds the strap locally so that the retained part can not slip through or over the retainer.
- the tape guide is preferably constructed so as to control the tape progression but not locally fix it over the tape. Therefore, in this embodiment, the belt can and should move in or around the belt guide when, for example, the belt is tensioned with some force by the movement of the object or by the movement of the belt guide or by movement of the machine.
- Tape guide and belt tensioner can be a component with which the course of the Bandes and the tape tension can be controlled in the same place.
- the tape guide may simply be a pin, a roller, a surface which may be curved.
- the tape is placed and either it can slide over there or it is movably supported by the rotation of the roller or the movement of pin or surface.
- a pin, surface or roller may be surrounded by devices which prevent the belt from slipping off, such as side edges in the form of short stems or surfaces. It is advantageous if the friction between tape and tape guide is kept small, if the bandspa men is not part of the tape guide. In this case, otherwise the Ba voltage generated by the tape guide would have to be taken into account in the voltage regulation of the tape, making the adjustment of the tape tension somewhat more difficult. In addition, the smallest possible tension is increased by the friction between the belt and the belt guide.
- the rear holder is typically a clamp. So it consists of two jaws that can be pressed together.
- the band to be held can be clamped in between.
- the jaws are selected and the pressure determined so that the band can not be pulled between the jaws even with the highest process occurring chip tension.
- the band is not damaged by the pinching. Since it is the beginning of the day and this is in the finished product near the junction, damage to the tape would be less noticeable at the site than at other locations. It is therefore conceivable that the belt is held by the rear holder also with a method which damages the band. For example, it could be one or more needles that are stung by the tape.
- the term "move through the tape guide” is also intended to include the sliding of a tape over a designated surface of a tape guide.
- the object can not be completely enclosed by the band, because there are always places in physical objects whose local normal vector at least partially points against the movement direction of the object and these locations also occur in each development area. At these points alone can not be brought by the movement of the object and the Ausstülpen the Ba ndes alone Ba nd. This is achieved with the help of the tape guide, which presses the tape behind the object below the conveying plane. The necessary mobility she gets preferred by a movable arm on which it is stored.
- the tape guide may also include suitable rails and a matching slide on the tape guide, or the tape guide could be attached to a type of rod that can be raised or lowered.
- the belt In order to close the last piece of the object belt loop, the belt must be brought from the lowered belt guide under the object where the rear holding device with the belt beginning is. This is done with the help of the loop puller.
- the loop puller is an L-shaped hook or pin.
- the pin or hook is placed at this engagement point between the tape guide and the tape.
- the tape guide is designed so that the tape is held above and below the engagement point in the vicinity of the Band technologicalu ng. This can for example be done via two suitable pins or a housing in which is only an opening to the point of engagement.
- the Ba nd but can be kept, for example, with negative pressure in or on the Ba nd Adjust.
- the loop puller is now at least partially brought into the point of engagement and thus between tape and Bandyog leadership.
- the slipper puller comprises a device which sucks the band under negative pressure.
- the loop puller If the loop puller is now moved in the conveying direction, it moves the bag with it, thus creating a loop that starts and ends during the tape guide.
- the tape tension is controlled to take a first value while no object touches the tape, a second while the tape is being moved by the object, and a third value as the tape guide pushes or moves the tape down.
- the second value of the base voltage is not greater than the third one.
- first, second and third values are not constant in time but continuously merge into one another.
- the first value is the tension that the front edge of the object can endure or with which the front edge is to be processed.
- the second value should be chosen among other things with reference to the transport mechanism of the objects. Too high a belt tension would cause the object to elongate, stop or even push back against the transport direction.
- the object is already surrounded by the majority of the band. The forces are distributed more evenly over the surfaces touched by the belt and, since a certain length of the belt is still needed, a belt tension can be built up without the need of a mechanism which retracts the belt. Due to the fact that the band already surrounds the object by a majority, there is less risk that the object or parts thereof will be moved unintentionally at this time.
- a sudden or abrupt change in the base tension may under certain circumstances mean that, despite actually suitable values for the tape tensioning, unintentional damage is caused or the tape sticks or sticks locally.
- the tape may stick or get stuck under a smaller tape tension, which could change in the event of a sudden change to a larger tape tension.
- too much Ba nd may be present in the object strap loop at one time. Even with sudden transitions, the timing with the movement of the object is difficult. Slow and steady transitions between the different tape tensions can help to avoid such problems.
- the objects are detected by a sensor, in particular a light barrier, before they touch the tape.
- a sensor in particular a light barrier
- the extent of the object in the conveying direction and its arrival time in the band is determined from a signal of the light barrier and a known speed of the object in a conveying direction.
- the tape guide lowers behind the object. Moreover, it may be, e.g. When changing the band-gap, it may be useful to know when an object comes into contact with the band. Although this time can be determined in various ways, e.g. by observing how much tape is needed for a given tape tension. Another variant is that the object and its position is measured at an earlier point in time and then, from this time on, it is only moved in a known manner.
- the object size which is of primary interest here, is the extent in the conveying direction. For example, this can be detected relatively easily with a light barrier through which the object moves at a known speed. In a preferred embodiment, the speed is constant, as this makes the evaluation simpler and more robust. The speed can also change.
- the speed should be known essentially at any time during the measurement for a meaningful evaluation. If the object also moves at a known speed after leaving the light barrier, the distance between the light barrier and the tensioned belt is known, and if the time at which the object starts to block the light barrier is also the time of arrival at the ground determine.
- Similar evaluation methods can also be applied to other sensors that can detect the presence of an object: for example, a test probe could be used to determine the weight or electrical properties such as conductivity or permittivity. Other evaluation methods and measurements capture the object as a whole. For a length determination then no time recording or time interval detection is necessary. In order to predict the time of Ba nd giftedes, however, a time recording and a beka nnter speed course are also necessary here. Possible measurements in this category are, for example, imaging methods such as the use and evaluation of a camera that is sensitive in a suitable wavelength range.
- a controller regulates the speed of the process steps and optionally the belt tension control unit.
- the regulation takes place in particular as a function of the measurements of the extent in the conveying direction and / or the determination of the arrival time at the band. It is also possible that the regulation of the flow rate is due to information from a memory in the controller or from external data memories and / or further measurements.
- control which regulates the speed of the procedural steps
- control unit which regulates the belt tension
- the tape guide lowers after passage of the object.
- the information is required when the object has passed the location where the tape guide passes through the conveyor plane.
- This information can be calculated, for example, from the arrival time at the band and the expansion of the object in the conveying direction.
- the information may be measured or stored in an internal memory or in an external data memory.
- Another possibility is to place a sensor near the location where the tape guide passes through the conveyor plane, which can detect the end of the object.
- the control, the general control or the control unit can be designed so that it can use, for example, information about the exact shape of the object and limits for the forces at certain points to suitably regulate process speed and / or belt tension.
- the method of transferring a tape around one or more objects in a preferred embodiment comprises one or more of the following method steps (the complete method steps are also referred to as "method for introducing the counter-pressure plate"):
- the counter-pressure plate is inserted in a preferred variant from the side or substantially transversely to the conveying direction.
- the space for this is created by the tape guide device.
- the counter-pressure plate is preferably made in one piece. But it is also possible to realize a counter-pressure plate of two or more parts. These can then be pushed together from the same side or from different sides.
- the method for moving a tape around one or more objects comprises, in a preferred variant, one or more of the following steps (in the present case, all the method steps are also referred to as "method for overlapping tape sections"): Holding a base in the rear holding device below the conveying plane;
- a method for overlapping bass slices comprises the step of forming a loop in the conveying direction from the tape guide, in particular by means of a slide puller (100), the loop expanding to the point where it overlaps with the beginning of the tape.
- a second method for overlapping tape sections additionally comprises the steps of bringing the tape into a course located below the conveying plane, closed in the conveying direction and starting from the tape guide with the aid of the drawbar puller and holding the band in the area of one upper part of the loop through another holding device. Subsequently, the severing of the band in the region of the loop and the spreading of the now open loop, in particular by the loop puller, wherein the loop before cutting is so large and a division point is chosen so that the band overlaps with the beginning of the tape.
- the new step is that the tape is held in a forward position by a front fixture.
- the tape is brought by the movement of the object and / or the tape guide device.
- the front holding device should hold the Ba nd so that it can not slip through this device and that under tension up to the maximum occurring tape tension in the band-transfer method to be carried out, which is preferably a banding and / or reversing band.
- the tape is not damaged by the holding. Therefore, in one embodiment, the front fixture is a clamp.
- This clamp comprises two jaws which are suitably shaped and can be compressed with sufficient force to hold the band to the maximum belt tension.
- One of the two jaws can also be part of the counterpressure plate.
- the second jaw may also be part of a surface of another component of the machine.
- the band is held in particular at two places at the same time: the band beginning is held for example by the rear holding device and a band piece is held at a front position by a front holding device.
- the front and rear brackets need not be at the same height.
- a lies above the front holding device in front of the rear holding device ("front” and "rear” are defined with respect to the conveying direction).
- the loop puller (eg, in the manner discussed above) draws a loop that is long enough (measured in the direction of conveyance) for the end of the loop to be in front of the rear holder and below Counterpressure plate comes to rest.
- the Ba nd microwave can either be kept in the rear holding device at this time or have been released by this already. If the latter is the case, then the beginning of the tape is down, but the slots can be so large that it also overlaps with this originating tape beginning.
- “Overlapping the tapes” is to be understood here as meaning that when one is looking at a tape surface of one of the tapes, this at least partially hides the other tape.
- a lower region of the loop overlaps the upper region of the loop and both Schlü ufen Schemee Ü overlap with the band, in particular the Banda start, which is above the Schla.
- the two overlapping band portions are in the first of the two possible Verfa listen the Bandanfa ng and the belt loop.
- a loop is also produced by means of the loop puller (e.g., in the manner mentioned above).
- Another holding device is used to hold festzu the upper part of the loop.
- the further holding device is of the requirements and possibilities, for example, substantially the same as the front holding device. It now holds the upper part of the loop at a position behind the front holding device in the conveying direction. In a preferred embodiment, at the latest after the further holding device holds the upper part of Schla conditions, the beginning of the tape released from the rear holding device.
- the rear holding device now stops nothing and can hold in a preferred embodiment, the lower part of the loop. Once this is done, the loop is preferably separated just in front of the rear fixture or elsewhere in the lower part of the loop. If the rear holder does not hold any part of the lower loop, the slips can be separated at any permissible location. Further in this text is described how the length of the loop and the separation point should be chosen for a permissible solution.
- the rear Haltevorrichtu ng and the other holding device may also have a component or component having, for example, on two sides jaws of terminals.
- the further holding device can use a part of the counter-pressure plate as a second jaw.
- the further clamp consists of a part of the counter-pressure plate and a first clamp piece and the rear clamp consists of the first clamp piece and a second clamp piece.
- the first clamp piece has two jaws lying on opposite sides. The first and second clamp pieces can be moved together or separately. This makes it possible to release the other terminal without loosening the rear terminal and vice versa, or to keep both terminals closed or open at the same time.
- the separation of the tape can be done with one or more suitable knives or scissors.
- the separation can also be effected by a heating wire.
- Ma n can in principle also use two very effective clamps and tension the band until it breaks. It is also possible to perforate the tape with needles until it is severed or ruptures under the smallest load. Other separation processes are not excluded.
- the loop puller is typically still at the apex of the loop at this time or when the tape is being severed.
- the loop moves so that the newly severed tape end moves in the direction of conveyance.
- another component can spread the now open loop.
- active spreading e.g. if the beam adopts a suitable position by itself.
- the spreading of the open slots by the further movement of the loop puller is preferably to be understood such that the tape is painted or pressed against the counter-pressure plate. So it is a smoothing along the counter-pressure plate.
- the open loop is directly on the tape.
- the loop that has produced the loop puller before cutting is so large and the separation point is specifically chosen so that the Bandlä length of the other holding device extends at least until before the beginning of the tape. At least part of the overlap area is below the counterpressure plate. The band end preferably extends beyond the counterpressure plate in the conveying direction.
- Banda are the sections that are overlapped, the beginning of the tape and the end of the tape.
- the method additionally includes a step of placing and holding the tape leader by a leader in a location above a loop created by the loop puller.
- the location above the loop is the underside of the counter-pressure plate.
- the tape leader is a tape leader.
- the tape depends from the front holding device, starting arcuately down.
- the stiffness of the band determines how tight the bow is, in which the band bends and thus also the position of the beginning of the band which creates the lowest point. In particular, this situation is not optimal when working with different bands.
- the positioning and the size of the loop pulled by the loop puller depend on the position of the beginning of the strip. With changing bands, however, this position is initially unknown and can only be detected automatically with difficulty, without the use of additional sensors. Therefore, in a preferred embodiment, there is a ribbon leader that shortly after the ribbon has released the ribbon holds it and holds it in a known position or position until after bonding the bands.
- the Band frustratingshaltevoriques positioned the beginning of the tape with advantage at such an O t. While the position of the slides is variable within a certain range, the height of the underside of the counter-pressure plate is usually defined quite clearly. It is therefore advantageous to place the beginning of the strip as directly as possible in a region on the underside of the counter-pressure plate.
- the base-holding device is a ribbon-start clamp that can pinch the ribbon.
- this terminal formed as part of the counter-pressure plate a.
- both terminals are independent Ba umaschine, which take over only the function Klemmfu.
- one or both of the clamps to be components which, in addition to the clamping function, still perform at least one further function. As there is hardly any belt tension on the belt at this clamp, the requirements for the holding force are significantly lower than for the front, rear or further Garvorrichtu ng.
- a clamp can therefore also at this point, for example. be operated with vacuum as the sole or additional holding means. It may also be sufficient to have a support surface, such as a support surface. to use a pen or a table on which the Bandanfa ng can partially rest. To avoid slipping of the strip beginning, the support surface may be coated and / or structured.
- the method for transferring a band around at least one object comprises the following method steps [the steps a) -c) are referred to below as the "method for connecting the band”: a) which are referred to above as methods for introducing the counter-pressure plate Method steps b) the method steps referred to above as the method for overlapping strip sections, and c) the joining of the strip sections with the joining device in the region of the overlap.
- the method for transferring a band around at least one object is a banding and / or re-aging method, in particular a banding method.
- the counter-pressure plate is introduced before method step b), then the counter-pressure plate for procedural step b) can be used. This can simplify the structure of the front, the other and the Bandanfa ngshaltevoriques, as explained above. The joining requires overlapping band sections. This requirement can be met by method step b) in an advantageous manner.
- the method for transferring a band around at least one object comprises the following steps [the steps a) -c) hereinafter referred to as "methods for connecting the band”: a) the above as a method for laying b) the method steps cited above as Verfa for introducing the counter-pressure plate c) the method steps referred to above as the method for connecting the strip, wherein preferably also the method steps of the method for
- Overlapping tape sections are used, in which the loop is separated and d) holding the Ba ndes in the region of a lower part of the loop through the rear holder after the loop pulls a loop has formed, and before the tape in the loop , preferably just before the rear
- Holding device is cut and e) the removal of the platen from the area between the tape and the object after the Ba nd was connected to itself.
- the method for converting a strip around at least one object is preferably a banding and / or strapping method, in particular a banding method. It is the goal of laying a band around at least one object, preferably banding and / or strapping, to put an object band loop around an object.
- a counter-pressure plate facilitates the process c) as explained above.
- c) with a split loop one has the advantage that only two and not three band layers have to be connected.
- the tape consumption may decrease if the separation happens at an appropriate location.
- the holding of the tape in the region of the lower part of the loop by the rear holding device before the separation of the tape causes the machine after completion of the procedure is back in the starting position and folded the next object of a band, preferably banded and / or to be able to mature. Without holding the new Banda start would be lost and would have to be returned by hand or by other means only to the Ausga ngsposition in the rear holding device. If the tape was held behind the separation point by another holding device, the position of the new beginning of the tape would be known, but to perform the same procedure a second time, the holding device would have to be changed. Therefore, the Nutzu ng the rear holder for this purpose is advantageous.
- the counter-pressure plate is preferably simply pulled out sideways, with "sideways" meaning that the main component of the movement is perpendicular to the vertical and perpendicular to the direction of conveyance, and turning around a vertical axis outside the area covered by the belt is also possible is preferably carried out so that the counter-pressure plate ends at the place where it was at the beginning of the Umlegebacters, preferably the Ba nderolier- and / or Umreif ungshabilits ..
- the object is now surrounded by a band, preferably ba nderolated and / or strapped, free to be transported away and, even though the band guide is again in the plane above the objects, all parts at the positions where they should be for moving a tape around the next object, following the same procedure.
- the procedure can be repeated.
- A The holding of a Ba nd forbiddenes in the rear holding device below the conveying plane.
- C The moving in the conveying direction of a part of the tape by an object which moves on the conveying plane in constructiverichtu ng and evades the tape there with.
- D Placing another part of the belt below the conveyor plane through the belt guide.
- G Holding the band at a front position by a front holder.
- K Starting from the base guide and taking place in the direction of conveyance, forming a loop with a puller (100) which expands to such an extent that it overlaps the beginning of the strip.
- M holding the band in the region of an underneath part of the loop through the rear holding device after the loop puller has formed a loop and before the band in the region of the slits, preferably just in front of the back
- N The cutting of the band in the area of the loop.
- 0 The spreading of the now open loops by the sledger, whereby the loop before the Du rchtenburg was so large and a division point was chosen so that the tape with the beginning of the tape Ü over.
- Step B is performed after step M and before steps C and E.
- Step C is performed after step B and before step D.
- Step D is performed after step C and before either step J or step K.
- Step E is performed after step B and before step F.
- Step F is performed after step E and after step C and before step B, preferably before at least one of steps G and L.
- the step G is performed after the step C; but if G is performed before F, the front fixture must be designed so that the counter-pressure plate is not part of it.
- the step G is performed before the step H.
- Step H is performed after step G and before step I; If I is not performed, step H is performed before step M.
- Step I is optional and, if performed, may be performed after step H and before either step J or K.
- step J or step K may be performed, both after step D and before step L, if performed and before step M.
- Step L may be performed after step J or K. If step F has not yet been carried out, then the further holding device without counterpressure plate must function. If step K has been carried out, step L can also be dispensed with. Step L is performed before step N when it is performed. Step M is performed after steps J or K and after step H and before step N.
- Step N is performed after step M and before step C.
- Step 0 is optional and, if run, is performed after step N and before step P.
- Step P is performed after steps J or K and after step F and before step Q.
- Step Q is performed after step P and before step C.
- Steps E and F can only be performed sequentially, but simultaneously with steps C and / or D.
- Steps H and I can only be performed sequentially, simultaneously with step J or K.
- step L or step M may be performed together with step J or K. This allows an efficient and continuous transfer of tapes around objects, e.g. a banding and / or strapping, realize.
- the method for introducing the counterpressure plate is advantageously carried out by a special device for introducing a counterpressure plate between a belt and a conveying plane in a machine, preferably a banding and / or strapping machine.
- a further aspect of the present invention therefore relates to a device for introducing a counter-pressure plate between a belt and a conveying plane in a machine, in particular a machine for turning a wall around an object. This is in particular part of a device for banding objects, a Banding machine, a device for strapping objects or a strapping machine.
- the device for introducing a counter-pressure plate comprises: a) a rear holding device which can hold a base and b) a conveying plane having an opening which is located above the rear holding device and on which an object can be moved in a conveying direction Movement of the object, a band, the beginning of which is held by the rear holding device and which projects through an opening in the conveying plane, is pulled in the conveying direction through the opening in the conveying plane, wherein c) is a Ba nd Economicssvorrichtu ng positioned the band below the conveying plane and / or leads, so that a free space is created to bring the counter-pressure plate between the belt and conveyor plane.
- a realized plane is part of a plane in which a physical plane lies, for example, a smooth, non-curved table surface realizes the plane passing through the surface of the table can be defined, meaning the plane which is accessed by linear vectors lying on the surface of the table.
- the conveyor plane is the plane in which the undersides of the objects move. Typically, it is realized by a table or conveyor or a mixture of both. But it is also possible that the objects are held and guided on the pages. In such a case, there is no component that realizes a conveyor stage that is going down. Even if there is a table, a conveyor belt, a guide rail or the like, the conveying plane may protrude beyond the edges of this realization of the plane. The conveying level is therefore to be understood in certain areas at most in the sense of a mathematical construct.
- the opening in the conveying plane is in any case of a physical nature: an opening is present at those points where the conveying plane is not realized.
- a distance between two tables or conveyor belts, which realize the conveying plane, is therefore an opening in the conveying plane.
- a single table edge may also be a rim of an opening and a hole in a table or conveyor belt as well.
- the opening is everywhere at least as wide transversely to solicitrichtu ng as wide as the band.
- the opening in the region of the band guide is preferably at least as wide as the band guide transversely to the conveying direction.
- the Ba nd arrangement the Ba nd move through the opening below the conveying plane.
- a length of the opening in the conveying direction is in particular at least as great as the sum of the thickness of the strip, the width of the counter-pressure plate in the conveying direction and the thickness of the strip guide transversely to the conveying direction.
- the width and thickness of the base guide here relate only to that part of the base guide which at some point below the conveyor plane. Depending on how the tape guide is brought under the conveying plane, it is not the thickness and width of the tape guide per se, but the thickness and width of the volume that the tape guide ever occupies during the gesa mten process in the conveyor plane. If the conveying plane is realized by an object, it must be noted that this has a certain thickness and parts of the tape guide must also pass through this area.
- the present invention relates to an apparatus or machine for transferring tapes around an object, preferably a wire-cutting machine and / or a strapping machine, comprising the following parts: a) an apparatus for introducing a counter-pressure plate as described above; b) a lowerable tape guide which may be located in a plane above the objects and which may be below a conveying plane and in both positions the tape can guide and in an initial position the Ba nd between them in the plane above the objects and the rear fixture secured; c) a counter-pressure plate which can be brought and removed below the conveyance plane between the belt and the underside of the object; d) a front holding device that can fix the tape at a location in front of the rear holding device; e) a loop puller (100) capable of pulling the tape from the tape guide, in the position below the conveying plane, to a loop in the conveying direction; f) a separating device which can divide the bar, preferably directly behind that of the rear holding device, and g) a joining device which
- the device for transferring bands around objects preferably to banding and / or strapping, preferably comprises a further holding device which can hold the band in the region of an upper part of the loop.
- the device for transferring bands around objects preferably to banding and / or strapping, preferably further comprises a bandage catching device which reattaches the bandage after it has been released by the back holding device can, in particular by the Bandanfa ng is brought by the Band frustratingshaltevorraum to the platen.
- the tape-holding device has a strap-start clamp.
- the device for transferring bands around objects preferably to banding and / or strapping, preferably further comprises a loop puller which, in the case of an open loop, can spread it so that there are only two band layers in the overlapping area, in particular only one two band layers between the joining device and the counter pressure plate are.
- an open or split loop is meant a band arrangement substantially having the shape of a loop. This means that the band starts from one place and spreads in one direction. At a second location, the apex of the loop, the direction of propagation of the band changes continuously so that the band eventually leads to a third location near the starting point. This is a loop.
- An open or split loop is now characterized by the band being interrupted at one point of the loop.
- a tape layer is a tape over or under something, two tape layers are two overlapping tapes, three tape layers are three overlapping tapes, and x tape plies are x overlapping tapes, where x is a positive natural number greater than one.
- the joining device of the device for transferring bands around objects is preferably a welding head, in particular an ultrasonic welding head.
- a welding head is the device that is used for welding.
- the arguments and alternative forms described for the procedure are analogous.
- the tape guiding device of the device for transferring tapes around objects is preferably a tape guiding hook.
- the tape guide and its alternatives and advantages have been discussed above for the method.
- This information applies analogously to the device
- the tape guiding device of the device for transferring tapes around objects, preferably to banding and / or strapping, can preferably be brought between the belt and the conveying plane and move in the conveying direction.
- the conveying plane of the device for transferring tapes around objects, preferably to banding and / or strapping, is preferably defined by a conveyor table.
- a table can define a plane. Defining the conveying plane by means of a conveyor table has the advantage that the objects can simply be pushed over the table during the process. Many other transport methods require an adaptation to the object, which is difficult to realize for different objects in an unknown order or nonstandardized objects.
- a table allows moving objects that are stacks of loose items. Especially those are often ba nderoliert and / or around matures. It is therefore advantageous if the device is suitable for such objects.
- An alternative to a table with similar characteristics are e.g. one or more conveyor belts or transport rails.
- the space for inserting the counter-pressure plate in the apparatus for transferring tapes around objects, preferably for banding and / or strapping, is preferably partially bounded by the band. This runs from the rear holding device to the tape guide device and from there to the object and / or a Ka nte the opening in the conveying plane.
- Another aspect of the present invention relates to a band tensioner that can regulate a band tension.
- the band tensioner is electrically controlled.
- the belt tensioner may preferably change the belt tension during operation.
- the belt tensioner is in particular part of the device for transferring belts around objects, preferably for banding and / or strapping.
- the band tensioner further comprises a device for detecting the Bandspa tion.
- the possible change during operation should also allow the changes during the transfer of a tape around a single object or around a single object group.
- This change should preferably be made possible in banding and / or strapping process.
- the device for transferring bands around objects, preferably to banding and / or strapping preferably further comprises a control unit. This control unit is preferably designed so that it also controls the belt tensioner.
- the device for transferring Bä change to objects preferably for banding and / or strapping, further comprises a device for detecting the tape tension.
- the Bandspa men can be designed such that it can nn measure in addition to the Einstellu ng the band tension this. Possible measuring methods and locations for recording the belt tension were described in the procedure. The possibilities of using the belt tensioner for this purpose were also explained there.
- the device for transferring bands around objects comprises at least one sensor with which the position and / or the extent of an object in the conveying direction can be determined, in particular this sensor comprises a light barrier. Possible measuring methods and locations for acquiring object information were described in the procedure.
- the device for transferring bands around objects preferably for banding and / or strapping, preferably comprises a controller which can control and synchronize the sequence speed of the different method steps.
- a quick transfer of bands in particular a rapid banding and / or strapping, may be advantageous.
- a rapid banding and / or strapping may be advantageous.
- the devices can be adapted to the respective needs.
- the device comprises a plurality, preferably 2, storage bobbins for bands.
- the supply spools serve to receive and provide the tape before the actual banding process.
- the supply reels are matched by a supply spool control so that one supply reel can be exchanged each time while reels are being unwound from another supply reel.
- the vote by the supply spool control allows a connection of a tape end of a coil with a Ba nd creating of another coil.
- a tape end with a beginning, end and beginning of the tape preferably overlap to a length of less than 1 cm. In particular, the overlap area is less than or equal to 0.7 cm long.
- the device comprises a connecting device with which a band end of a band on a first supply reel can be connected to a band end of a band on a second supply reel.
- the connecting device is preferably a welding device, in particular an ultrasonic welding device.
- the device comprises, in a further embodiment, in particular a band memory.
- a band memory This makes it possible for the belt polishing process to continue for a certain time, unrestrained or only continuously, without the belt moving on the other side of the belt accumulator due to the strapping process.
- This decoupling in particular allows the connection of one end of a coil to one end of the coil from another coil, without delaying the banding process.
- the tape storage is controlled by a tape storage controller. This can be used to empty the tape storage controlled and in particular at another time to fill again controlled.
- One embodiment of a tape storage is a tape guide over at least three pulleys, at least one of which is relative to the other two strigiebba r. As you shift (for example, through a motor), the length of the track that passes through the belt is changed: as the distance increases, the reservoir becomes full, the distance decreases, and the reservoir is emptied.
- a chip tensioner may be integrated in the tape storage or stored before or after it.
- the tape tensioner is upstream of the tape storage, since so the tape runs with a well-defined tension through the tape storage.
- a tape storage controller can at least partially take over clamping functions and regulate the tape tension within a certain range.
- the apparatus may comprise more than one band tensioner, such as one which generates and / or controls the tension in the banding operation on the object and a second one which generates and / or controls the tension of the band on the track through the apparatus.
- the tape storage controller and the supply spool controller are tuned or identical to one another.
- the tape storage controller or the supply reel controller may be part of the control of the apparatus and / or synchronized with each other or may be co-ordinated.
- the connecting device and the supply reel or tape storage control are matched to one another in such a way that, when welding from a tape end with a tape start, they overlap to less than 1 cm in length, in particular also less than or equal to 0.7 cm in length. Tapes are often provided on supply spools. The possibility of integrating several supply reel in the device, allows an uninterrupted work, as always a supply reel can be replaced while from another supply reel, the tape is unwound.
- connection should still be resilient.
- connection methods such as welding or gluing or a positive connection or another known type of connection of tapes are suitable. Welding can be the preferred ultrasonic welding or local heat.
- the connection method is preferably the same as that used in the joining apparatus, since the connection is substantially the same as that produced by the joining apparatus.
- the welding preferably takes place before the tape has reached the tape guiding device or the lowerable tape guide or the joining device and thus preferably in the vicinity of the supply spools. (The distance here is to be measured along the distance that the band goes through in operation.)
- the device comprises a printer unit for printing on the belt before or during the belt polishing or strapping operation.
- the printer unit is preferably a thermal printer.
- the printer unit is preferably mounted in the direction of tape travel after a base storage and, in particular, freely accessible. "Freely accessible” means in particular that no tools have to be used to reach the printer unit.
- the device apart from the printer unit, the device may remain in its operating state while access for maintenance to the printer unit exists.
- a printer unit makes it possible to print the banderoles precisely and individually tailored to the object.
- a thermal transfer printer allows the application of a bar code or a matrix code.
- the bands can be printed before being introduced into the tape storage.
- an individual printing requires a very precise adjustment and a very precise knowledge of the objects and their order (if this plays a role, the objects thus differ from each other).
- thermal transfer printing examples include, for example, ink jet processing, laser printing, line printing, dot matrix printing, thermal sublimation printing, direct thermal printing or laser marking.
- the choice of printing method depends here on m to the required resolution and quality of the printed image and on the other by the material and the Abmessu and the nature of the tape. So z. As a laser inscription damage a thin tape so strong that it is no longer usable. For very coarse belts with irregular surface may be a
- the printer unit is preferably mounted in a readily accessible manner, since almost all printing methods include a verbra uchsmaterial such as ink or toner. Replenishing this consumable, as well as work such as cleaning printheads, should be quick and easy. Since any manipulation of a device can lead to damage, it is advantageous to mount the printer unit so that the maintenance of the printer unit and the refilling of their consumables can be done without having to disassemble or misplate parts of the remaining device.
- a printer unit can also be exchanged or extended by another printer unit without having to make any substantial changes to the other device. For example, you can easily use multiple printing methods with one fixture.
- At least one of the drives used is realized by at least one servomotor.
- at least one of the servomotors can be controlled remotely.
- the at least one servomotor that drives the belt or belt may also be used as a wear-free brake.
- the servomotor allows precise control over its position and / or speed and / or acceleration. Since servomotors are controllable, the control of the device can be used to precisely adjust position and / or speed and / or acceleration and, for. B. to the Ba nd used to adapt to the object to be converted or the state of the process. For example, it is conceivable that the process proceeds somewhat more slowly while one end of a coil is connected to the base of another coil and eventually the band is somewhat reduced while the junction is still within the device ,
- Controllable stepper motors are an example of a possibility or motors which themselves are not very controllable, but are used selectively or only exert particular forces with clutches and brakes, are other examples. Even with other mechanical means, process steps can be synchronized and targeted forces can be used.
- One possible application of a servomotor is given during acceleration and deceleration of the belt.
- both the acceleration and braking processes can be designed so that the belt does not slip significantly over a high friction surface, the belt will not be abraded. This will not damage the tape or any printed image on it. Also, this type of brake consumes no brake pads and is therefore low maintenance.
- the device comprises at least one sensor.
- the latter may preferably measure the pressure on the packages and / or the tension on the belt and / or the presence of supply rolls and / or the quality of the printing and / or another property of the device, the package and / or the belt ,
- the sensor data can preferably be read out by remote access.
- Sensors allow control and control of the method and apparatus. If the device has electronic control, it is possible that it automatically integrates sensor data and adapts the control signals so that the process optimally flows. If the device does not have electronic control, the sensor data may be used to adjust the device, e.g. be used by a technician.
- Sensors in conjunction with an electronic control allow the device to set itself up, at least over a certain range, with respect to the monitored and controllable parameters. This may, for example, allow rapid and spontaneous change of objects or types of tapes without the need for precise pre-alignment of the device.
- the device can be controlled from a remote location and, even if the controller and / or the motors can be controlled remotely, can also be controlled remotely. This can be the Increasing productivity and job security and / or also helping to integrate the banding process optimally into an existing chain of production steps.
- Typical objects for banding are packagings with different contents or stacks.
- paperboards such as e.g. assembled packaging cartons or papers, e.g. Newspapers or catalogs.
- the objects can also be directly behind each other and so be banded as a stack.
- the height of the stack is limited by the highest position of the tape guide.
- the width of the stack is limited on one side if necessary by the fact that the tape guide must be mounted somewhere.
- the choice of the band depends not only on visual and aesthetic aspects of the subject, but also on the connection method used.
- Typical bands for banding methods are between 10 and 100 mm wide and can be up to 50 ⁇ thin. In the present case, preference is given to using belts having a width of 1-150 mm, in particular 5-100 mm or 8-50 mm.
- a thickness of Bands measures in particular 50 ⁇ - 2 mm, in particular 100 ⁇ - 1 mm or 1 50 ⁇ - 500 ⁇ .
- Typical tapes for wall thicknesses are between 5 and 30 mm wide and have a standardized thickness which is preferably between 0.1 and 1 mm and more preferably between 0.25 and 0.6 mm.
- plastic tapes or paper tapes are typically plastic tapes or paper tapes.
- the plastic bands are made in particular of polymer material, preferably polypropylene (PP).
- PP polypropylene
- PET polyethylene terephthalate
- Plastic tapes and paper can be printed and / or coated.
- a coating may allow the application of an actually unsuitable material in a particular bonding process. For example, coated paper can be ultrasonically welded.
- FIG. 1 shows the starting situation of a banding method according to the invention as an example of a transfer method of a band around an object.
- the method can also be carried out analogously as strapping methods.
- An object 6, for example a stack of paper or a cardboard stack moves on a conveying plane 1.
- a band 3 is held in a rear holding device 2, which lies below the conveying plane 1. From there it runs to a point in a plane above the object, in which case a belt tensioner 5 is installed.
- a Band Technologyu ng 4 is in this example without band contact, in the horizontal direction between the band tensioner 5 and the rear holder 2 and at a similar height as the band tensioner 5. In another embodiment, a contact between the band guide 4 and the band 3 in this situation.
- the guide 4 can hold the tape in the plane above the object 6. It is also possible that, instead of the belt tensioner 5, a deflection roller or another component which can hold the belt in the plane above the object 6 is used.
- the tape comes from a tape source, not shown, which is preferably a supply roll. From there, the belt is guided via the belt tensioner 5, possibly via the belt guide 4, to the rear holding device 2. In between, pulleys and other components can be used to guide and handle the belt in the desired manner. It could also be printed, for example.
- the belt tensioner produces or maintains a belt tension which is less than that which the closed, finished belt loops, in banding this is the band, finally should have (nominal tension).
- FIG. 2 shows the situation at a time shortly after the situation in FIG. 1.
- the object 6 has reached the band tensioned between the rear holding device 2 and the clamping clamp 5 and has been everted by its movement in the conveying direction.
- a tape guiding device 7 has been brought into the belt plane and also moves in the conveying direction. Since the object 6 in the horizontal at the position of the tape guide 4 is over, now lowers the tape guide 4.
- Figure 3 shows the result of these movements. It is the situation at a time after that shown in Figu r 2.
- the Band She tion 4 has now pressed the Ba nd 3 behind the object 6 under the conveying plane 1 or out.
- the Band Industriesu ngsvoriques 7 has led the band u nterrenz the conveyor plane 1 so that a free space 1 7 between the band 3 and the conveying plane 1 and the object 6 is formed.
- the counter pressure plate 9 was introduced.
- the tape guide device 7 can be removed again.
- the front holding device 8 moves upward to clamp the band 3 between itself and the counter-pressure plate 9.
- FIG. 6 shows the loop resulting from the movement of the loop puller 11.
- the upper jaw 2b of the rear holder is inserted into the slots and moves upwards.
- the lower jaw 2a of the rear holder also moves upward.
- the band 3 is now clamped twice in the region of the loop: once at a position on the upper side of the loop between the counter-pressure plate 9 and the upper jaw 2b. This is the further holding device.
- a second time the band 3 is clamped in the region of the lower side of the loop between the upper jaw 2b and the lower jaw 2a.
- a separator 1 2 which may for example be a knife, cuts the tape just before the rear holding device.
- FIG. 9 shows the result: the object 6 with folded band, the banded object when banding, is transported away. Here, this also happens in the conveying direction.
- the mechanism for transferring a tape around an object is in the same configuration as in Fig. 1.
- FIG. 10 shows possible rest positions of the components which enter the band level in the course of the method and are removed again from it.
- a "rest position" is here to understand the position in which the Ba uowski fulfill no or not their primary task. Of course, other components can make such movements.
- FIG. 10 is a sketch of the plan view of the conveying plane 1. The conveying level 1 and all Ba shown parts are shown transparently. Only their contours are shown.
- the conveying plane 1 has a ⁇ ffnu ng 14 and this has a front edge 1 5.
- the conveying direction 1 6, which defines the direction for "front” and "rear” is shown by an arrow.
- the counterpressure plate 9 On the right side of the opening 14, the counterpressure plate 9 is in its rest position. Below the counter-pressure plate 9 are parts of the various holding devices: the front holder 8, the upper jaw of the rear holder 2b and the Banda sammenhalterung 10. During the process, all these components are never in the rest position simultaneously: The upper jaw of the rear holder 2b is moved in a situation in the rest position, in which at least the front Garvorrichtu ng 8 and the platen 9 are used. At the time point at which the counterpressure plate 9 is removed, the upper jaw of the rear holding device 2b is already in use again to hold the next beginning of the strip.
- the tape guide device 7 and the loop puller 1 1 are shown in the embodiment as a hook. These can be brought into the strip plane by a pivoting movement and pushed or pulled in the conveying direction.
- the various holding devices are suitably arranged so that the counter-pressure plate can serve as a counterpart of a clamp if this solution is desired.
- the tape guiding device 7 initially guides the tape 3 further in the conveying direction than the object 6 and the object 6 reaches the position shown in FIG. 3 only at a later time.
- the Band Industriesu ng 4 can already occupy a lower position earlier. However, it should not collide with object 6.
- the tape guiding device 7 can be removed before or after the pressing of the front holding device 8.
- the front holding device 8 does not necessarily have to use the counter-pressure plate 9 as a second clamping jaw, but could have a sepa rate second jaw.
- the band guide 1 1 can be designed so that the loop begins at her and ends.
- the band 3 can be held with a suitable device on the Ba nd Entry 4.
- the loop at the tape guide 4 anfa start and end at the corner of the object 6, the edge of the platen 9 or the edge of the Band frustratingshaltevorraum 10. It is the preferred solution that the corner of the object 6 delimits the slits, since in this way the base 3 bears tightly against the object 6.
- the further holding device is formed by the upper jaw 2 b of the rear holding device and the counter-pressure plate 9.
- the others Holding device can also consist of two own jaws or of a jaw and the counter-pressure plate. 9
- the placement of the tape tensioner 5 is also variable. A pulley may hold the tape over the object at the location shown here. But it is also possible that the tape 3 is guided through the tape guide 4, that the tape guide 4 can hold the band 3 up without further aids.
- the strap tensioner could then be placed anywhere between the strap source and the strap guide 4.
- the band tensioner can be integrated into the band source, in which he controls, for example, the rotation of a supply roll.
- the inventive device for introducing a counter-pressure plate is shown in FIG. In Figure 4 is then clear how the tape guide device 7 is its task, the enabling of the introduction of a counter-pressure plate 9 is met.
- the band tensioner 5 and the band guide 4 are no more than the band 3 or the object 6 parts of this device.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Basic Packing Technique (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2974045A CA2974045C (en) | 2015-01-15 | 2016-01-07 | Method for wrapping bands around objects and corresponding machines |
CN201680016047.4A CN107438568B (zh) | 2015-01-15 | 2016-01-07 | 用于将带围绕物体进行缠绕的方法和相应的机器 |
PL16700400T PL3137381T3 (pl) | 2015-01-15 | 2016-01-07 | Sposób owijania taśmy wokół obiektów i urządzenie do realizacji tego sposobu |
US15/543,481 US10865004B2 (en) | 2015-01-15 | 2016-01-07 | Method for wrapping bands around objects, and corresponding machines |
ES16700400.1T ES2661005T3 (es) | 2015-01-15 | 2016-01-07 | Procedimiento para doblar bandas alrededor de objetos y máquinas correspondientes |
EP16700400.1A EP3137381B1 (de) | 2015-01-15 | 2016-01-07 | Verfahren zum umlegen von bändern um objekte und entsprechende maschinen |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP15000087.5 | 2015-01-15 | ||
EP15000087.5A EP3045398A1 (de) | 2015-01-15 | 2015-01-15 | Verfahren zum Umlegen von Bändern um Objekte und entsprechende Maschinen |
Publications (1)
Publication Number | Publication Date |
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WO2016113179A1 true WO2016113179A1 (de) | 2016-07-21 |
Family
ID=52394870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/EP2016/050212 WO2016113179A1 (de) | 2015-01-15 | 2016-01-07 | Verfahren zum umlegen von bändern um objekte und entsprechende maschinen |
Country Status (8)
Country | Link |
---|---|
US (1) | US10865004B2 (de) |
EP (2) | EP3045398A1 (de) |
CN (1) | CN107438568B (de) |
CA (1) | CA2974045C (de) |
ES (1) | ES2661005T3 (de) |
PL (1) | PL3137381T3 (de) |
TW (1) | TWI691434B (de) |
WO (1) | WO2016113179A1 (de) |
Families Citing this family (17)
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JP2018043769A (ja) * | 2016-09-15 | 2018-03-22 | 株式会社東芝 | 紙葉類結束装置 |
CN106829024A (zh) * | 2017-04-07 | 2017-06-13 | 祝凤娟 | 一种纸巾绕包机 |
CN107235169B (zh) * | 2017-05-22 | 2019-04-12 | 武汉纺织大学 | 一种bdf薄壁箱体自动裹布装置 |
US11021282B2 (en) | 2017-07-19 | 2021-06-01 | Signode Industrial Group Llc | Strapping device configured to carry out a strap-attachment check cycle |
CN107933997B (zh) * | 2017-12-07 | 2024-02-27 | 桂林电子科技大学 | 线束自动绑扎设备的扎带拉紧剪切装置 |
US10124536B1 (en) * | 2018-01-08 | 2018-11-13 | Oav Equipment & Tools, Inc. | Edge banding machine |
CN109573139A (zh) * | 2018-11-29 | 2019-04-05 | 铜陵有色金属集团股份有限公司金冠铜业分公司 | 残极板打包装置 |
DE102019215010B4 (de) | 2019-09-30 | 2021-12-09 | Signode Industrial Group Llc | Schweißkopf für eine Bandumreifungsmaschine und darin verwendbare Gegendruckplatte |
CN111301754B (zh) * | 2020-04-08 | 2021-01-05 | 江苏鑫泰建设工程有限公司 | 一种建筑管材捆绑装置 |
CN113815922B (zh) | 2020-06-18 | 2023-04-07 | 纬华企业股份有限公司 | 纸板捆包机的松弛装置 |
CN112407383B (zh) * | 2020-09-28 | 2022-03-25 | 太原科技大学 | 一种双绑丝自动打捆机器人 |
US11660631B2 (en) * | 2021-05-05 | 2023-05-30 | Oav Equipment And Tools, Inc. | Glue applying mechanism of edge banding machine with glue quantity regulator |
US11541415B2 (en) * | 2021-05-26 | 2023-01-03 | Oav Equipment And Tools, Inc. | Glue applying mechanism of edge banding machine for applying glue to workpiece having oblique surface and edge banding machine using the glue applying mechanism |
CN114368503B (zh) * | 2022-01-21 | 2023-05-12 | 成都锦城学院 | 一种垃圾中转站处理垃圾用捆包机 |
WO2023164397A1 (en) * | 2022-02-25 | 2023-08-31 | Signode Industrial Group Llc | Strapping machine with a welding assembly having a leading-strap-end guide |
US11851221B2 (en) | 2022-04-21 | 2023-12-26 | Curium Us Llc | Systems and methods for producing a radioactive drug product using a dispensing unit |
US20240150052A1 (en) * | 2022-11-07 | 2024-05-09 | Signode Industrial Group Llc | Strapping machine with a welding assembly having a leading-strap-end guide |
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- 2015-01-15 EP EP15000087.5A patent/EP3045398A1/de not_active Withdrawn
-
2016
- 2016-01-07 CA CA2974045A patent/CA2974045C/en active Active
- 2016-01-07 ES ES16700400.1T patent/ES2661005T3/es active Active
- 2016-01-07 CN CN201680016047.4A patent/CN107438568B/zh active Active
- 2016-01-07 WO PCT/EP2016/050212 patent/WO2016113179A1/de active Application Filing
- 2016-01-07 EP EP16700400.1A patent/EP3137381B1/de active Active
- 2016-01-07 US US15/543,481 patent/US10865004B2/en active Active
- 2016-01-07 PL PL16700400T patent/PL3137381T3/pl unknown
- 2016-01-13 TW TW105100936A patent/TWI691434B/zh active
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CH544694A (de) * | 1973-02-26 | 1973-11-30 | Erapa Ag | Einrichtung zum Stillsetzen der Bandeinführung an einer Maschine zum selbsttätigen Umschnüren bzw. Umreifen von Packstücken mit Kunststoffband |
DE3346598A1 (de) * | 1983-04-06 | 1984-10-11 | Peter P. 6930 Eberbach Lüdtke | Verfahren und vorrichtung zum umschnueren von schnuergut |
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Also Published As
Publication number | Publication date |
---|---|
EP3045398A1 (de) | 2016-07-20 |
US10865004B2 (en) | 2020-12-15 |
EP3137381A1 (de) | 2017-03-08 |
CN107438568B (zh) | 2019-08-13 |
CA2974045C (en) | 2023-12-19 |
TWI691434B (zh) | 2020-04-21 |
PL3137381T3 (pl) | 2018-04-30 |
ES2661005T3 (es) | 2018-03-27 |
TW201636268A (zh) | 2016-10-16 |
US20180022489A1 (en) | 2018-01-25 |
EP3137381B1 (de) | 2017-11-29 |
CN107438568A (zh) | 2017-12-05 |
CA2974045A1 (en) | 2016-07-21 |
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