WO2015089539A1 - Appareil de cerclage mobile - Google Patents

Appareil de cerclage mobile Download PDF

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Publication number
WO2015089539A1
WO2015089539A1 PCT/AT2014/050308 AT2014050308W WO2015089539A1 WO 2015089539 A1 WO2015089539 A1 WO 2015089539A1 AT 2014050308 W AT2014050308 W AT 2014050308W WO 2015089539 A1 WO2015089539 A1 WO 2015089539A1
Authority
WO
WIPO (PCT)
Prior art keywords
counter
strapping
tensioning wheel
holder plate
friction
Prior art date
Application number
PCT/AT2014/050308
Other languages
German (de)
English (en)
Inventor
Ronald Einsiedler
Rudolf Hansl
Nicolas KOSNANSKY
Andreas SIMMER
Georg Raffael SPINDLER
Hermann STINGL
Original Assignee
Teufelberger Gesellschaft M.B.H.
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 Teufelberger Gesellschaft M.B.H. filed Critical Teufelberger Gesellschaft M.B.H.
Priority to EP14838775.6A priority Critical patent/EP3083414B1/fr
Publication of WO2015089539A1 publication Critical patent/WO2015089539A1/fr

Links

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
    • 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
    • B65B13/327—Hand tools
    • 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
    • B65B13/025—Hand-held tools
    • 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
    • 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
    • B65B13/32—Securing ends of binding material by welding, soldering, or heat-sealing; by applying adhesive
    • 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
    • B65B13/322—Friction welding

Definitions

  • the invention relates to a mobile strapping device, as specified in claim 1.
  • a mobile strapping device for strapping packaged goods with a strapping band comprises a tensioning wheel for applying a belt tension to a loop of a strapping belt wound around the packaged goods, and a friction welding device for producing a welded connection at an overlapping region of the loop of the strapping belt, in which a beginning of the belt and a belt end are placed one above the other.
  • the mobile strapping device comprises a rechargeable energy storage for storing energy, in particular electrical energy.
  • the tensioning wheel is associated with a counter-holding element, wherein the superimposed band beginning and end of the tape between the counter-holder plate and tensioning wheel can be clamped.
  • the counter-holder plate is pivotally mounted, wherein the pivot axis of the counter-holder plate is arranged parallel to the axis of rotation of the tensioning wheel.
  • a mobile strapping device for strapping packaged goods with a strapping band, in particular a plastic band.
  • This mobile strapping device comprises a base frame, a tensioning device with at least one tensioning wheel for applying a clamping force acting in the tangential direction to a lateral surface of the at least one tensioning wheel on a loop of the strapping band looped around a packaged goods, a drive unit which at least drives the at least one tensioning wheel is provided, a cooperating with the at least one tensioning wheel counter-element, which is received in a counter-holder plate, a connecting device for connecting the two overlapping portions of the strap of the strapping, a cutting device for cutting the strapping, and a power source for providing a drive energy, wherein the counter-holder plate movable relative to the base frame is mounted on this and is adjustable by means of an adjusting device between a threading position and a closed position.
  • a surface of the counterholder plate associated with the tensioning wheel in its closed position is arranged substantially parallel to a rotation axis of the at least one tensioning wheel, wherein the counterpart support plate is mounted on the base frame by means of a rotary joint.
  • a rotational axis of the rotary joint is arranged substantially parallel to the tangential direction of the tensioning wheel, so that the counterpart support plate is pivotally mounted to the base frame and in the threading position forms a wedge-shaped insertion region relative to the tensioning wheel.
  • An advantage of the embodiment of the invention is that the threading of the tension band is substantially facilitated by the wedge-shaped insertion region. This can be compared to known solutions ergonomics, as well as the working speed and thus the efficiency in dealing with such a mobile strapping device can be increased enormously.
  • an embodiment in which the wedge-shaped opening is aligned in the direction of the front side of the strapping device has the considerable advantage that the strapping band can be inserted without precise positioning.
  • the mobile strapping device can be operated intuitively, which also increases the working safety in dealing with such a strapping device.
  • the counter-holder plate in the threading position in an opening is inclined between 3 ° and 30 °, in particular between 4 ° and 20 °, preferably between 5 ° and 15 ° to the closed position.
  • an opening angle in this angular range since it can be achieved in said angular range that the opening angle is on the one hand chosen large enough to allow easier insertion of the strapping.
  • the opening angle is not too great to avoid a too large path of the counter-holder plate, since this would bring an increased processing time during operation of the mobile strapping device.
  • the counter-holder plate can be moved into a maintenance position, in which it can be swung out at least approximately 45 ° to the closed position. It is advantageous in this case that the opening swinkel in which the method is moved during operation can be selected to be smaller, and thus the fastest possible processing time during operation of the mobile strapping device is ensured. For maintenance purposes, this position can then be approached in order to easily exchange wear parts. It may be provided that the maintenance position is achieved either by using the drive unit, or that the counter-holder plate can be moved manually into the maintenance position.
  • connection s device a it may be appropriate that the connection s device a
  • Friction welding device comprising a first friction element and a second friction element, between which friction elements the strap is clamped, wherein the first friction element is displaceable relative to the second friction element in an oscillating movement in a parallel to the axis of rotation of the tensioning wheel friction direction.
  • the counter-holder element arranged in the counter-holder plate, at its side facing the tensioning wheel is adapted at least in sections to the shape of the circumferential surface of the tensioning wheel and is provided with a contoured surface.
  • a tape return lock is formed, by means of which the tensioning force applied by the tensioning device on the strapping band is fixed when the clamping force applied by the tensioning device is reduced or eliminated, wherein the tape return lock comprises a blocking element, which with a second counter-holder element cooperates, wherein the second counter-holder element is received in the counter-holder plate.
  • a cutting device is formed, by means of which the strapping band can be separated.
  • the advantage here is that excess parts of the strap can thus be easily separated.
  • the cutting device is arranged immediately adjacent to the first friction element of the friction welding device, wherein in the active state of the friction welding the first friction element is relatively movable to the fixed frame relative to the cutting device.
  • Friction welding device, the second counter-holder element of the tape return lock and the first counter-holder element of the clamping device are arranged substantially in a plane, so that the strapping almost straight, and parallel to the surface of the packaged goods, can be guided by these devices.
  • the advantage here is that the strapping on the one hand does not need to be unnecessarily kinked, whereby it is spared and thus preserves the strength of the strapping.
  • a common, one-piece counter-holder plate is provided for the friction welding device and the clamping device.
  • the advantage here is that on the one hand the strap is very easily inserted by this training. Furthermore, only one common drive is required to position the elements in an angular position. set, in which the strapping is easy to insert. In addition, only a rotary joint is needed, via which the counter-holder plate is mounted on the base frame.
  • a common, one-piece counter-holder plate is provided for the friction-welding device and the clamping device.
  • the advantage here is that on the one hand the strap is very easily inserted by this training. Furthermore, only one common drive is needed to place the elements in an angular position in which the strapping is easy to insert. In addition, only a rotary joint is needed, via which the counter-holder plate is mounted on the base frame.
  • first counter-holder element and / or the second counter-holder element and / or the second friction element are pivotally received in the counter-holder plate, wherein the pivot axis in each case runs parallel to the axis of rotation of the rotary joint.
  • the advantage here is that an angular offset can be compensated by the pivotal receiving the individual elements, which results from an angular position of the counter-holder plate relative to its closed position. This angular position can be caused by the use of strapping bands with different tape thicknesses or thicknesses.
  • the anvil element has a tensioning wheel facing upper part and a counter-holder plate facing lower part, wherein the upper part is coupled by means of an inclined plane with the lower part, wherein a distance between the tensioning wheel and upper part is adjustable in that the upper part relative to Lower part in Tan- gentialides the tensioning wheel is displaceable.
  • the inclined plane is formed by a sawtooth-like profile.
  • the advantage here is that thereby a steeper edge of the inclined plane can be achieved without increasing the space required for the inclined plane excessively.
  • the friction welding device has a force increasing device, by which the first friction element is pressed against the second friction element, wherein the force increasing device has an inclined plane and the distance of the two friction elements to each other by displacement of the force increasing device is adjustable parallel to the axis of rotation ,
  • the advantage here is that thereby the necessary contact force in the friction welding device does not have to be applied by the pivoting movement of the counter-holder plate.
  • the drive unit which is used for the pivoting movement of the counter-holder plate must not be designed to be excessively large in order to apply the necessary force between the two friction elements can.
  • the force-increasing device and the first friction element can be driven by the same drive unit.
  • the advantage here is that no additional drive unit is needed to drive the force increasing device.
  • the total mass of the mobile strapping device can be kept as low as possible.
  • the mobile strapping device In the method for operating the mobile strapping device is provided that this comprises the method steps according to claim 18.
  • the advantage here is that thereby the mobile strapping device can be operated energy efficient and time-saving.
  • the sequence of the individual process steps can be interrupted by the user, with an emergency stop button is provided, which can be actuated by the user to interrupt the method steps.
  • an emergency stop button is provided, which can be actuated by the user to interrupt the method steps.
  • Fig. 1 is a perspective view of a mobile strapping device
  • Fig. 2 is a front view of a mobile strapping device
  • Fig. 3 is a side view from the left of a mobile strapping device
  • FIG. 4 is a right side view of a mobile strapping device
  • Fig. 5 is a schematic representation of another embodiment of a mobile
  • Fig. 6 is a schematic representation of another embodiment of a mobile
  • FIG. 7 shows a perspective view of a variant of a first counter-holding element with tensioning wheel
  • Fig. 8 is a sectional view of the mobile strapping device according to the section line
  • FIGS. 1 to 4 show different views of an exemplary embodiment of a mobile strapping device 1 for strapping packaged goods 2 by means of a strapping band 3.
  • the strapping straps 3 used in connection with the mobile strapping device 1 are preferably made of plastic, in particular polyethylene terephthalate (PET) or polypropylene (PP), and have a width of approximately 8 to 25 mm on.
  • PET polyethylene terephthalate
  • PP polypropylene
  • the strip thickness of the strapping bands used can vary from about 0.4 to 1.5 mm.
  • the strapping band 3 For strapping the packaged goods 2 by means of the strapping band 3, this is placed in a loop 4 around the packaged goods 2.
  • the strapping band 3 is wrapped around the packaged product 2 in such a way that the band beginning 5 and the band end 6 lie over one another and thus an overlapping portion 7 is formed.
  • the beginning of the tape 5 is below the end of the tape 6 and thus the package 2 next to it.
  • the overlapping section 7 is selected to be approximately as large or positioned so that it preferably extends over the entire length 8 of the mobile strapping device 1.
  • the strapping belt 3, in particular the overlapping section 7 of the strapping belt 3, can be introduced into the mobile strapping device 1 and be stretched or fastened there.
  • the strapping band 3 can be cut to length here in a predefined length. Alternatively, it is also possible that the strapping band 3 is pulled off from a roll as an endless belt 10.
  • the mobile strapping device 1 comprises a base frame 11 on which the individual parts of the strapping device 1 are constructed.
  • the base frame 11 may in this case consist of a one-piece casting.
  • the base frame 11 comprises a plurality of different individual parts of which it is constructed, wherein the individual parts are connected to each other by fastening means or by a material connection.
  • a material for the production of the base frame 11 a material is preferably used, which has the lowest possible weight with sufficient strength. In a preferred embodiment, this may be, for example, aluminum casting or else various plastics. Furthermore, it is also possible that for the base frame 11 different materials are combined to run about locally loaded components particularly stiff and stable.
  • a clamping device 12 is mounted, which serves for clamping the looped around the packaged goods 2 strapping 3.
  • the tensioning device 12 has a tensioning wheel 13, which serves for tensioning the strapping band 3.
  • the tensioning wheel 13 which is mounted so as to be rotatable about its axis of rotation 14, to be received on the base frame 11.
  • tensioning wheel 13 When tensioning wheel 13 can be provided that it has a diameter approximately between 50mm and 150mm. The width of the tensioning wheel 13 is approximately between 10mm and 40mm and is dependent on the bandwidth of the strapping band 3 to be processed. Furthermore, it can be provided that the tensioning wheel 13 has a contoured lateral surface 15, through which a clamping force 16 can be applied to the band end 6, which acts in the tangential direction 17 on the lateral surface 15 of the tensioning wheel 13.
  • the contoured lateral surface 15 of the tensioning wheel 13 is formed approximately by a knurling 18, which are formed by the knurling 18 on the lateral surface 15 innumerable small tips.
  • This knurling 18 is designed to penetrate into the surface 19 when pressing the tensioning wheel 13 against the outer surface 19 of the strapping band 3, in particular the band end 6, or at least slightly deforming the latter, as a result of which a combination of positive fit and Friction between strapping 3 and tensioning wheel 13 can be generated.
  • a clamping force 16 can be applied to the strapping band 3 by the tensioning wheel 13.
  • This clamping force 16 is related to the contact pressure with which the tensioning wheel 13 is pressed against the strapping band 3.
  • a first counter-holding element 20 may be provided, which is arranged circumferentially of the tensioning wheel 13 and thus can press the strapping 3 to the tensioning wheel 13, in particular to the lateral surface 15 of the tensioning wheel 13.
  • the overlapping portion 7 of the strapping band 3 is inserted between the tensioning wheel 13 and the first counterholder element 20.
  • the first counter-holder element 20, in particular the surface 21 of the first counter-holding element 20 facing the strapping band can be designed to be similar or similar to the lateral surface 15 of the tensioning wheel 13, that is to say have knurling.
  • a force can also be applied to the strapping band 3, in particular to the band beginning 5, by means of the first counterholder element 20.
  • the tensioning wheel 13 is set into a rotational movement, whereby the band end 6 is moved together with the tensioning wheel 13.
  • the strip beginning 5, which bears directly on the end of the strip 6, is held in position by the first counter-holding element 20, so that a relative movement or a sliding between the strip end 6 and the beginning of the strip 5 occurs.
  • the tensioning wheel 13 is preferably rotatably mounted by means of a flying bearing on the base frame 11, that is, that only one side of the tensioning wheel 13, a bearing point is provided, on which the tensioning wheel 13 is connected to the base frame 11.
  • a drive unit 26 is provided, which preferably by a
  • Rotary drive for example, a DC motor is formed.
  • This rotary drive can be connected via a gear with the tensioning wheel 13, so that an increased force can be applied to the strapping 3.
  • a coordinate system relating to the mobile strapping apparatus 1 is introduced.
  • x-axis 23 in this case that axis is referred to which is aligned in the longitudinal direction 22 of the strapping 3 and also the mobile strapping device 1.
  • the y-axis 24 denotes the transverse extent of the mobile strapping device 1, which runs parallel to the axis of rotation 14 of the tensioning wheel 13.
  • the z-axis 25 denotes the vertical extent of the mobile strapping device 1, which is arranged normally on the x-axis 23 and on the y-axis 24.
  • the direction of the clamping force 16 results from the arrangement position of the first counter-holding element 20 relative to the tensioning wheel 13. This specifies a contact point 27 at which the tensioning wheel 13 and the strapping band 3, in particular the band end 6, are pressed against one another.
  • the first counter-holding element 20 is so attached. orders that the tangential direction 17 is parallel to a longitudinal direction 22 of the strapping belt 3.
  • the mobile strapping device 1 comprises a band return lock 28, whereby a loosening of the strapping against a clamping direction 29 is avoided, even if the clamping force 16 is reduced at the tensioning wheel 13.
  • a tape return lock 28 includes a locking element 30 which cooperates with a second counter-holder element 31.
  • the blocking element 30 and the second counter-holding element 31 are arranged opposite one another such that the band end 6 of the strapping band 3 or the band end 6 and the band beginning 5 of the strapping band 3 can be clamped between these two elements 30, 31.
  • the surface 32 of the second counter-holding element 31 or the surface 33 of the blocking element 30 are arranged parallel to one another in order to achieve a good load distribution on the strapping band 3 during the clamping process.
  • the clamping process is as follows. While the band end 6 of the strapping 3 is pulled by the tensioning wheel 13 in the tensioning direction 29, the blocking element 30 is entrained by the band end 6 and pressed against a spring element 34.
  • the spring element 34 may in this case be designed, for example, as a helical spring or as a leaf spring. In order to move the blocking element 30, this is mounted on the base frame 11 with a translatory guide 35.
  • the translational guide 35 is in this case arranged so that the contoured surface 33 of the locking element 30 of the tape return lock 28 is aligned parallel to the surface 32 of the locking element 30 opposite the second Schmidthalteriatas 31, wherein the locking element 30 by means of a translational guide 35 relative to the base frame 11 is mounted on this, and the translational guide 35 for the first locking element 30 is aligned at an angle 37 to the surface 32 of the second counter-holder element 31, so that by a parallel to the surface 33 displacement of the blocking element 30, a distance 38 between the surface 33rd of the blocking element 30 and the surface 32 of the second counter-holder element 31 is adjustable.
  • the movement of the blocking element 30 in the direction of movement 36 can be used to increase a distance 38 between the blocking element 30 and the second opposing element 31, in particular between the surfaces 32, 33 of the respective elements 31, 30 or to reduce.
  • care should be taken here that the angle 37 is not too small, since otherwise an excessively large return path is necessary before the strapping band 3 is clamped. If the angle 37 is too large, then sufficient clamping force can not be applied to the strapping band 3.
  • the locking element 30 is pressed by the clamping force 16 of the tensioning wheel 13 on the belt end 6 in the direction of tensioning direction 29, the distance 38 between locking element 30 and second counter-holding element 31 is increased, whereby the friction acting on the blocking element 30 is reduced.
  • the spring element 34 the blocking element 30 is now held in a position in which the sliding friction between locking element 30 and the strapping 3 and the spring force of the spring element 34 are equal.
  • the tensioning wheel 13 can be rotated counter to its clamping direction, whereby the force is reduced by the tensioning wheel 13 on the strapping band 3.
  • the strapping 3, in particular the band end 6 is moved counter to its clamping direction 29, which due to the frictional force between the locking element 30 and the band end 6 and the blocking element 30 is moved in the opposite direction.
  • the angle 37 which has the translational guide 35 of the blocking element 30 relative to the x-axis 23
  • this movement of the blocking element 30 is converted against the clamping direction 29 in a compressive force, whereby the band end 6 is clamped.
  • the surface 33 of the blocking element 30 penetrates into the strapping band 3, as a result of which the frictional connection or the mixture of positive and frictional engagement is increased.
  • the blocking element 30 If the blocking element 30 has been moved a certain distance counter to the tensioning direction 29, then an equilibrium of forces arises, whereby a further return of the blocking element 30 relative to the base frame 11 is prevented.
  • the blocking element 30 is located now in a blocking position 39 in which the band end 6 is clamped, and thus a stable equilibrium state occurs.
  • the translatory guide 35 of the blocking element 30 is realized by the use of guide elements 40 which are arranged on the blocking element 30.
  • These guide elements 40 can form, for example, a simple sliding guide.
  • the guide elements 40 may be formed, for example, as a dovetail guide.
  • the guide elements 40 of the translatory guide 35 of the blocking element 30 are arranged at an angle to each other.
  • the advantage here is that the distribution of forces, or the power transmission in the locking element 30 can be made cheap.
  • the translatory guide 35 is designed as a ball-bearing guide, since the smooth running of the blocking element 30 can be increased by such a ball bearing.
  • the lateral guide elements 40 have a longitudinal groove in which the balls of the ball bearing can be performed.
  • the guide elements 40 are in this case aligned so that the blocking element 30 has a trapezoidal shape in cross-section, wherein the longer base of the trapezoid of the trapezoid
  • the blocking element 30 is arranged facing.
  • the guide elements 40 are arranged inclined at an angle 41 of about 0 to 45 ° to the vertical.
  • the blocking element 30 is approximately the same width as the tensioning wheel 13.
  • the blocking element 30 can be made in one piece.
  • the blocking element 30 comprises a base body 42, in which the translational guide 35 is integrated and further comprises a wear element 43 which has the contoured surface 33 of the blocking element 30.
  • the wear element 43 can in this case be fastened to the base body 42 by means of a fastening means. It is advantageous in such an embodiment that in the case of wear not the complete locking element 30 must be replaced, but that only the wear element 43 can be changed. In this case, the current maintenance costs can be kept low and it can further be provided that the wear element 43 is easy to change, without having to disassemble parts of the translatory guide 35.
  • FIGS. 5 and 6 Further exemplary embodiments of the blocking element 30 are shown in FIGS. 5 and 6 and will be described in more detail below.
  • a compound s device 44 is further shown, which is intended to connect the tape top 5 and the tape end 6 together.
  • This connection s device 44 can in principle be based on different mechanisms of action.
  • the overlapping sections 7 can be connected by positive interlocking pressing.
  • plastic tapes when using plastic tapes is also conceivable that by introducing heat at the beginning of the tape 5 and 6 tape end are melted and thus connected to each other.
  • the connection s device 44 it is also conceivable for the connection s device 44 to generate heat by introducing ultrasound, as a result of which band beginning 5 and band end 6 can be connected to one another.
  • the connecting device 44 is designed as friction welding device 45, in which the beginning of the tape 5 and 6 tape end are melted by rows at the contacting surfaces and thus connected to each other.
  • a first friction element 46 may be provided, which is movably mounted on the base frame 11 and as a counterpart, a second friction element 47, which during the
  • the first friction element 46 preferably has a translatory guide 48, by which it is movable in a direction parallel to the axis of rotation of the tensioning wheel 13 extending friction 49. Since the friction direction 49 extends parallel to the axis of rotation 14 of the tensioning wheel 13, this is thus in the direction of the y-axis 24th
  • the oscillating movement of the first friction element 46 is preferably generated by a drive unit, for example a rotary drive, which causes the movement by means of a crank mechanism with eccentric mounting.
  • a drive unit for example a rotary drive, which causes the movement by means of a crank mechanism with eccentric mounting.
  • the translatory guide 48 is positioned and aligned such that during an oscillating movement of the first friction element 46 in the friction direction 49, the distance between the first friction element 46 and the second friction element 47 remains the same size.
  • the structure of the translatory guide 48 can be designed to be the same as the translatory guide 35 of the blocking element 30. Therefore, a detailed description of the embodiment of the translational guide 48 is omitted here.
  • the first friction element 46 is movably mounted in a vertical movement direction 50 and thus the distance between the first friction element 46 and the second friction element 47 can be adjusted.
  • the vertical direction of movement 50 in this case runs in the direction of the z-axis 25.
  • the first friction element 46 is pressed by a spring element 51 in the direction of the second friction element 47, whereby a force can be applied to the overlapping portion 7 of the strapping 3 and thus strip top 5 and end 6 are pressed against each other.
  • an actuating element 52 transfers the first friction element 46 from its rest position 53 into a welding position 54.
  • This actuator 52 may for example be coupled to a drive, whereby the first friction member 46 at any time from its rest position 53 in its welding position 54 and back again can be transferred.
  • the actuating element 52 is formed by an actuating lever 55, wherein the actuating lever 55 is formed as a coupling element between the locking element 30 and the first friction element 46.
  • a driving lug 56 is arranged, which contacts the actuating lever 55. If now the blocking element 30 is transferred to its locking position 39, the actuating lever 55 is set by the driving lug 56 in motion. In this case, the actuating lever 55 presses on the first friction element 46 and thus leads this over from its rest position 53 into its welding position 54.
  • the actuating lever 55 Since the path of movement of the locking element 30 before it reaches its locking position 39, is very low, the actuating lever 55 must be positioned and adjusted very accurately so that even the slight movement of the locking element 30 is sufficient to the first friction element 46 from its rest position 53 in his To be able to transfer welding position 54.
  • the welding process can be started.
  • the band end 6 is held by friction or positive engagement on the first friction element 46 and can thus be moved by this.
  • the beginning of the strip 5 is held by the second friction element 47 and is thus held at a standstill. If the strip end 6 and the strip start 5 are rubbed together under pressure, heat is generated, through which the contacting surfaces of the strip start 5 and the strip end 6 partially be melted and thus can be connected to each other.
  • a cutting device 57 is attached directly adjacent to the first friction element 46. The cutting device 57 can in this case be fastened to the base frame 11, so that the first friction element 46 can be moved relative to the cutting device 57.
  • the cutting device 57 comprises a cutting blade 58, which is held in a guide and has a cutting edge 60.
  • the cutting blade 58 is pressed by a spring element 59 in the direction of the belt end 6.
  • the force applied to the cutting blade 58 by the spring element 59 is aligned in the direction of the cutting edge 60 of the cutting blade 58.
  • the cutting edge 60 may be formed as a knife-like edge. In a preferred embodiment, it is also possible that the cutting edge 60 has a serrated edge, resulting in a serrated surface at the cutting edge.
  • a counter-holder plate 61 is arranged on the base frame 11, in which at least the first counter-holding element 20 is accommodated.
  • the counter-holder plate 61 may additionally optionally receive the second counter-holder element 31 and / or the second friction element 47.
  • the first and the second counter-holding element 20, 31 and also the second friction element 47 can be exchangeably received in the counter-holder plate 61.
  • the counter-holder plate 61 directly forms these elements.
  • the counter-holder plate 61 relative to the clamping device 12, in particular to the tensioning wheel 13, is movable.
  • an adjusting device 62 is present, through which the counter-holder plate 61 from a threading position 63 in a closed position 64 can be transferred. It can be provided that the counter-holder plate 61 is moved, for example, in a translational direction.
  • the counter-holder plate 61 is fixed by means of a rotary joint 65 on the base frame 11. It can be provided that an axis of rotation 73 of the rotary joint 65 is arranged substantially parallel to the tangential 17 of the tensioning wheel 13, so that the counter-holder plate 61 is pivotally mounted to the base frame 11 and in the threading 63 forms a wedge-shaped insertion 75 relative to the tensioning wheel 13 ,
  • the movement of the counter-holder plate 61 in this angular range can in principle be performed by the adjusting device 62.
  • the adjusting device 62 is driven by a common drive unit 26, which serves to drive the tensioning device 12.
  • the adjusting device 62 comprises a further drive unit 67, which is designed specifically for the drive of the adjustment of the counter-holder plate 61.
  • the counter-holder plate 61 can additionally be converted into a maintenance position s 68, in which wear parts can be exchanged in a facilitated manner. In this case, it may be provided, for example, that the maintenance position 68 is achieved by manually transferring the counter-holder plate 61.
  • a stop element 69 is provided so that the strapping 3 can be properly positioned and is not inserted too far.
  • the counter-holder plate 61 is formed so that it forms a stop, so that the strapping 3 can be properly positioned.
  • the first counter-holder element 20 and / or the second counter-holder element 31 and / or the second friction element 47 are pivotally received in the counter-holder plate 61, wherein the pivot axis 74 extends parallel to the axis of rotation 73 of the rotary joint 65.
  • the two counter-holder elements 20, 31 and the second friction element 47 are pivotally received in the counter-holder plate 61.
  • the counter-holder plate 61 is in turn pivotally received on the base frame 11.
  • the working surfaces 70 of the counter-holder elements 20, 31 and of the second friction element 47 are arranged substantially in one plane, so that the strapping 3, in particular the overlapping section 7 of the strapping 3, when it rests against the work surfaces 70, in a straight line is guided, which runs parallel to the surface 9 of the packaged goods 2.
  • the friction welding device 45 and the cutting device 57 are in the preferred embodiment between tape return lock 28 and clamping device 12 is arranged.
  • the cutting device 57 is in this case arranged on the clamping device 12 facing side of the friction welding device 45.
  • the actuating lever 55 establishes a movement coupling between the blocking element 30 and the first friction element 46.
  • the clamping device 12, the friction welding device 45 and the tape return barrier 28 are arranged as close to each other as possible in order to keep the installation space of the mobile Umrei- tion device 1 as low as possible.
  • the strapping 3 is looped with a loop 4 to the packaged 2, wherein the band beginning 5 and the band end 6 are superimposed so that a overlapping section 7 results in which the tape end 6 is located on the beginning of the tape 5.
  • the beginning of the strip 5 is here the packaged goods 2 faces.
  • the mobile strapping device 1 is moved in the direction of overlapping portion 7 of the strapping 3.
  • the counter-holder plate 61 is in this case in a threading position 63 whereby the strapping 3 can be easily positioned in the wedge-shaped insertion region 75 between the counter-holder plate 61 and tensioning wheel 13.
  • an adjusting device 62 is activated, by which the counter-holder plate 61 is rotated with respect to a rotation axis 73 and is thus transferred from its threading position 63 in its closed position 64.
  • the overlapping section 7 of the strapping band 3 is clamped between the tensioning wheel 13 and the first counter-holding element 20, the beginning of the strip 5 being held by the first counter-holding element 20 and the band end 6 being held by the tensioning wheel 13 is pressed.
  • the overlapping portion 7 between the first friction member 46 and the second friction member 47 is clamped.
  • the first friction element 46 is pressed against the spring element 51, resulting in a certain bias between the first friction element 46 and the second friction element 47.
  • the overlapping section 7 of the strapping band 3 is clamped between the blocking element 30 and the second counter-holding element 31. If now the counter-holder plate 61 in the closed position 64, the clamping device 12 is activated, wherein the tensioning wheel 13 is rotated so that the band end 6 is pulled in the clamping direction 29. In this case, the blocking element 30 is pressed against the spring element 34, whereby the surface 33 of the blocking element 30 slides over the band end 6.
  • the direction of rotation of the tensioning wheel 13 can be reversed, as a result of which the belt end 6 is moved counter to the tensioning direction 29.
  • This movement of the strapping 3 against the tension direction 29 results from the bias voltage which has the loop 4 looped around the packaged product 2. If now the band end 6 is pulled against the tensioning direction 29, the surface 33 of the blocking element 30 engages in the band end 6, as a result of which the blocking element 30 is pressed in the direction of its blocking position 39.
  • the belt tension which is applied by the tensioning wheel 13 on the belt end 6, can be reduced.
  • a higher efficiency in the friction welding process or a higher strength of the weld in the strapping 3 is achieved.
  • the Reibsch spavorraum 45 is activated, which welds the strap 3, wherein at the same time the strapping 3 is cut by the cutting device 57.
  • the counter-holder plate 61 can be transferred again from its closed position 64 into the threading position 63.
  • the ready-welded strapping band is released, wherein the mobile strapping device 1 can be extended laterally out of the engagement region of the strapping band. It can be provided that in a first step, the counter-holder plate 61 is only opened so far that the strapping 3 is released and thus the mobile strapping device 1 can be removed and the counter-holder plate 61 is transferred only subsequently in the threading position 63. Thus, it can be achieved that the mobile strapping device 1 can be threaded without damaging the strap 3 thereby.
  • the actuating lever 55 is omitted and the first friction member 46 of the friction welding device 45 remains during the threading of the tape in its rest position 53 and after clamping of the
  • a coupling element is provided, which serves for emergency decoupling of the counter-holder plate 61.
  • the counter-holder plate 61 can be brought out of its closed position 64, whereby the strapping 3 is released and thus the clamping force on the strapping 3 falls away. This can increase the safety for a machine operator.
  • FIG. 5 shows a further embodiment of the mobile strapping device 1, which may be independent of itself, wherein the same reference numerals or component designations are again used for the same parts as in the preceding FIGS. 1 to 4. In order to avoid unnecessary repetition, reference is made to the detailed description in the preceding figures 1 to 4 or reference.
  • Fig. 5 shows the schematic representation of another embodiment in which the locking element 30 is designed as a further tensioning wheel 71.
  • an additional clamping force 72 can be applied to the band end 6 of the strapping band 3 by the further tensioning wheel 71.
  • the arrangement and the functionalities, as well as the design features of the further tensioning wheel 71 can hereby be the same as the design feature of the tensioning wheel 13.
  • FIG. 6 shows a further embodiment of the mobile strapping device 1, which may be independent of itself, wherein the same reference numerals or component designations are again used for the same parts as in the preceding FIGS. 1 to 5.
  • the blocking element 30 is designed as a lever, which is designed to fix the band end 6.
  • the lever is in this case designed so that a clamping effect can be achieved by the return of the strapping 3, and thus the strapping 3 can be held in the manner already described.
  • an eccentrically mounted wheel is used as a blocking element 30, wherein this can achieve the same blocking effect.
  • a power source which is preferably in the form of a rechargeable battery, in particular as a lithium-ion cell or about lithium-iron phosphate cell is not shown and described.
  • the first friction element 46 is designed as a further tensioning roller, which is suitable for increasing the tensioning force in the strapping band 3. The advantage here is that by means of such a first friction element 46, the clamping force can be further increased, the individual load is minimized to the tensioning wheels, or the punctual load on the strapping 3 can be kept low.
  • the full clamping force between the first friction element 46 and the second friction element 47 can be applied directly at the beginning of the clamping process when closing the counter-holder plate 61, since no relative movement takes place between the first friction element 46 and the strap end 6 of the strapping band 3.
  • the first friction element 46 is designed as a roller provided with a freewheel, wherein a rotation axis is substantially parallel to the axis of rotation 14 of the tensioning wheel 13.
  • the band end 6 of the strapping band 3 can be easily moved in the tensioning direction 29 when the clamping force between the first friction element 46 and the second friction element 47 is completely applied.
  • the oscillating sideways movement of the first friction element 46 can then be transferred to the strip end 6.
  • the housing, and the handle on which the mobile strapping device 1 can be taken by the operator is not shown.
  • FIG. 7 shows a further embodiment of the mobile strapping device 1, which is possibly independent of itself, wherein the same reference numerals or component designations are used again for the same parts as in the preceding FIGS. 1 to 5. To avoid unnecessary repetition, reference is made to the detailed description in the preceding figures 1 to 6 or reference. 7 shows a perspective sectional illustration of the counter-holder plate 61 with a first counter-holding element 20 arranged on the counter-holder plate 61.
  • the first counter-holding element 20 is divided into an upper part 76 and a lower part 77.
  • the upper part 76 and the lower part 77 abut each other at an inclined plane 78. Due to this design of the Fen level 78 can be achieved that a displacement of the upper part 76 in the tangential direction 17 relative to the lower part 77 causes an approximation of the upper part 76 to the tensioning wheel 13. This leads to an increase in the clamping force between the upper part 76 and the tensioning wheel 13.
  • the upper part 76 is displaced in the tangential direction 17 relative to the lower part 77 by the tensioning movement of the tensioning wheel 13 and by the friction transmitted via the strapping band 3.
  • the inclined plane 78 while the upper part 76 is moved toward the tensioning wheel 13, whereby the clamping force between the upper part 76 and tensioning wheel 13 is increased.
  • the necessary clamping force does not have to be applied by the pivoting movement of the counter-holder plate 61.
  • the inclined plane 78 is designed in the form of a sawtooth-like profile 79.
  • the first counter-holding element 20 can be constructed as flat and compact as possible.
  • the area of the separating cut between upper part 76 and lower part 77 can thereby be kept as small as possible.
  • the size of a pitch angle 80 of the inclined plane 78 is decisive for how large the ratio between displacement of the upper part 76 in the tangential direction 17 and thereby brought about approximation of the upper part 76 to the tensioning wheel 13.
  • the inclined plane 78 can be designed as an alternative variant to a sliding guide, for example, as a ball bearing.
  • the possible applied clamping force between the upper part 76 and the tensioning wheel 13 is less ,
  • FIG. 8 shows a further embodiment of the mobile strapping device 1, which may be independent of itself, wherein the same reference numerals or component designations are again used for the same parts as in the preceding FIGS. 1 to 7. In order to avoid unnecessary repetition, the detailed description referred to in the preceding figures 1 to 7 or reference.
  • Fig. 8 shows a sectional view with section through the friction welding device 45th
  • the friction welding device 45 has a force increase s device 81.
  • the force increasing device 81 may have a force increase selement 82 which is plate-like.
  • the force increasing element 82 has a first guide region 83 by means of which it is guided in the base frame 11 of the mobile strapping device 1.
  • the guide region 83 is preferably designed such that the force increasing element 82 can be displaced parallel to the axis of rotation 14 in the base frame 11.
  • the guide region 83 can be designed, for example, as a sliding surface guide.
  • the guide portion 83 is formed as a linear guide, such as a ball guide.
  • an inclined plane 84 is provided on the force-increasing element 82, which is arranged at an angle 85 to the guide region 83.
  • the inclined plane 84 can also be designed as a sliding surface guide or as a ball guide.
  • the first friction element 46 is coupled to the inclined plane 84 of the force increasing element 82 such that a displacement of the force increasing element 82 parallel to the axis of rotation 14 causes the first friction element 46 to approach the second friction element 47.
  • a clamping force between first friction element 46 and second friction element 47 can be applied or increased.
  • the degree of displacement of the first friction element 46 to the second friction element 47 is dependent on the size of the angle 85.
  • a holder 87 for the first friction element 46 has a recess 88 and is penetrated by the force-increasing element 82.
  • the recess 88 or the inclined plane 84 of the force-increasing element 82 act together.
  • a guide pin 89 is provided, which corresponds to a bore 90 in the force increasing element 82.
  • the guide pin 89 is preferably coupled to the base frame 11.
  • an eccentric disk 91 is formed, which serves to displace the force-increasing element 82.
  • the eccentric disk 91 may be arranged in the mobile strapping device 1 such that it acts on a stop surface 92 of the force-increasing element 82. By rotation of the eccentric disk 91, the displacement of the force increasing element 82 can be achieved.
  • the same drive unit 86 as for driving the friction welding device 45 is used to drive the force-increasing device 81. It can be provided that at the start of the welding by the friction welding device 45 and the eccentric 91 is moved, which moves by their eccentricity, the force increasing element 82 parallel to the axis of rotation 14 of the tensioning wheel 13 and thus the contact pressure between the first friction member 46 and the second friction element 47 increased. So that the force-increasing element 82 remains in its clamping position, it can be provided that this is held in position by a fixing device 93. Thus, the eccentric 91 can continue to rotate and need not be decoupled from the drive unit 86.
  • a compression spring 94 can be provided, which returns the force-increasing element 82 as soon as the fixing device 93 is released. It can be provided that the fixing device 93 is released simultaneously with the counter-holder plate 61.
  • the counter-holder plate 61 is pivoted into its threading position 63.
  • the strapping band 3 which is wound around the packaged goods 2 is inserted into the mobile strapping apparatus 1. If this is apparently positioned correctly, the strapping process is started by the user pressing a start button and thus giving a start command. Subsequently, the counter-holder plate 61 is pivoted to its closed position 64 and thus the strapping 3, in particular the beginning of the band 5 and the band end 6 clamped between tensioning wheel 13 and the first counter-holding element 20.
  • a band loading control device In order to check a correct clamping of the strapping band 3, provision may be made for a band loading control device to be arranged on the mobile strapping apparatus 1. is net. If the tape loading control device shows a correct position of the strapping band 3, the clamping operation can be continued. The clamping process can be started by pressing the start button again, or by pressing the start button continuously. The clamping operation can be performed in an automatic mode or in a manual mode. In automatic mode, the clamping operation is performed until the strap 3 has reached a preset clamping force. In this case, the start button does not have to be pressed continuously. In manual mode, the clamping process is only carried out as long as the start button is pressed. Again, it can be checked whether a preset clamping force is achieved.
  • the welding of the strapping band 3 takes place.
  • automatic mode the welding process is started directly after the clamping process.
  • manual mode the start of the welding process must be confirmed by repeated actuation or continuous actuation of the start button.
  • the welding process is carried out for a predetermined time interval.
  • the friction welding device 45 is stopped and after a predetermined cooling time, a signal may be provided, which signals that the welding is completed. This signal can be recorded acoustically and / or optically by the user. However, such a signal delivery is not mandatory for the further course.
  • the counter-holder plate 61 can now be pivoted back into its threading position 63 automatically or by confirmation by means of the start button.
  • an emergency stop button 95 is arranged on the mobile strapping device 1, through which the strapping process can be interrupted and the strap 3 can be released.
  • the strapping 3 is hereby preferably released by opening the counter-holder plate 61.
  • the emergency stop button 95 is preferably arranged on the mobile strapping device 1 such that it can easily be reached by the user when required.
  • the embodiments show possible embodiments of the mobile strapping device 1, wherein it should be noted at this point that the invention is not limited to the specifically illustrated embodiments thereof, but also various combinations of the individual embodiments are mutually possible and this variation possibility due to the teaching of technical action by objective invention in the skill of working in this technical field expert.
  • FIGS. 1 to 4, 5 and 6 can form the subject of independent solutions according to the invention.
  • the relevant objects and solutions according to the invention can be found in the detailed descriptions of these figures.
  • Adjustment device 95 Emergency stop button

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)

Abstract

L'invention concerne un appareil de cerclage mobile (1) comprenant un châssis de base (11), un dispositif de tension (12) comprenant au moins une roue de tension (13), une unité d'entraînement (26), une plaque de retenue (61) qui coopère avec la ou les roues de tension (13), un dispositif de jonction, un dispositif de coupe et une source d'alimentation en énergie. La plaque de retenue (61) est montée de façon mobile par rapport au châssis de base (11) et est réglable entre une position d'enfilage (63) et une position fermée (64) sous l'action d'un dispositif de réglage (62). Dans la position fermée (64) de la plaque de retenue (61), une surface (21) de cette plaque qui est associée à la roue de tension (13) est sensiblement parallèle à un axe de rotation (14) de la ou des roues de tension (13), la plaque de retenue (61) étant montée sur le châssis de base (11) au moyen d'une articulation de rotation (65). Un axe de rotation (73) de l'articulation de rotation (65) est disposé sensiblement parallèle à la direction tangentielle (17) de la roue de tension (13), de sorte que la plaque de retenue (61) est montée de façon pivotante par rapport au châssis de base (11) et que, dans la position d'enfilage (63), elle forme une région d'introduction (75) de forme conique relativement à la roue de tension (13).
PCT/AT2014/050308 2013-12-19 2014-12-18 Appareil de cerclage mobile WO2015089539A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14838775.6A EP3083414B1 (fr) 2013-12-19 2014-12-18 Appareil de cerclage mobile

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50841/2013 2013-12-19
ATA50841/2013A AT514803B1 (de) 2013-12-19 2013-12-19 Mobile Umreifungsvorrichtung

Publications (1)

Publication Number Publication Date
WO2015089539A1 true WO2015089539A1 (fr) 2015-06-25

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PCT/AT2014/050308 WO2015089539A1 (fr) 2013-12-19 2014-12-18 Appareil de cerclage mobile

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EP (1) EP3083414B1 (fr)
AT (1) AT514803B1 (fr)
WO (1) WO2015089539A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018086570A1 (fr) * 2016-11-11 2018-05-17 陈金柱 Dispositif de fixation

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023170096A1 (fr) * 2022-03-07 2023-09-14 Fromm Holding Ag Procédé de cerclage d'un ou de plusieurs articles avec une sangle
AU2023230185A1 (en) * 2022-03-07 2024-08-01 Fromm Holding Ag Strapping device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0480627A1 (fr) * 1990-10-11 1992-04-15 Signode Corporation Procédé et dispositif pour commander la tension dans un lieu de cerclage
EP1371560A1 (fr) * 2002-06-14 2003-12-17 Illinois Tool Works Inc. Dispositif de cerclage à deux moteurs
EP2271553A1 (fr) * 2008-04-23 2011-01-12 Orgapack GmbH Dispositif de banderolage mobile
DE202011050797U1 (de) * 2011-07-22 2011-11-11 Pantech International Inc. Kipphebelanordnung einer Umreifungsmaschine

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998051569A1 (fr) * 1997-05-13 1998-11-19 Fromm Holding Ag Enrubanneuse

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0480627A1 (fr) * 1990-10-11 1992-04-15 Signode Corporation Procédé et dispositif pour commander la tension dans un lieu de cerclage
EP1371560A1 (fr) * 2002-06-14 2003-12-17 Illinois Tool Works Inc. Dispositif de cerclage à deux moteurs
EP2271553A1 (fr) * 2008-04-23 2011-01-12 Orgapack GmbH Dispositif de banderolage mobile
DE202011050797U1 (de) * 2011-07-22 2011-11-11 Pantech International Inc. Kipphebelanordnung einer Umreifungsmaschine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018086570A1 (fr) * 2016-11-11 2018-05-17 陈金柱 Dispositif de fixation
US11019882B2 (en) 2016-11-11 2021-06-01 Chin-Chu Chen Fastening device

Also Published As

Publication number Publication date
AT514803B1 (de) 2015-04-15
EP3083414A1 (fr) 2016-10-26
EP3083414B1 (fr) 2018-01-31
AT514803A4 (de) 2015-04-15

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