EP3555355B1 - Unité de formation de gazon, machine de formation de gazon et procédé d'insertion de gazon dans un support - Google Patents

Unité de formation de gazon, machine de formation de gazon et procédé d'insertion de gazon dans un support Download PDF

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Publication number
EP3555355B1
EP3555355B1 EP17835465.0A EP17835465A EP3555355B1 EP 3555355 B1 EP3555355 B1 EP 3555355B1 EP 17835465 A EP17835465 A EP 17835465A EP 3555355 B1 EP3555355 B1 EP 3555355B1
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EP
European Patent Office
Prior art keywords
yarn
unit
tufting
track
circulating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP17835465.0A
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German (de)
English (en)
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EP3555355A1 (fr
Inventor
Johann Owegeser
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SMG Sportplatzmaschinenbau GmbH
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SMG Sportplatzmaschinenbau GmbH
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Publication of EP3555355A1 publication Critical patent/EP3555355A1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
    • E01C13/08—Surfaces simulating grass ; Grass-grown sports grounds
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05C—EMBROIDERING; TUFTING
    • D05C15/00—Making pile fabrics or articles having similar surface features by inserting loops into a base material
    • D05C15/04—Tufting
    • D05C15/08—Tufting machines
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05C—EMBROIDERING; TUFTING
    • D05C15/00—Making pile fabrics or articles having similar surface features by inserting loops into a base material
    • D05C15/04—Tufting
    • D05C15/08—Tufting machines
    • D05C15/16—Arrangements or devices for manipulating threads
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2505/00—Industrial
    • D10B2505/20—Industrial for civil engineering, e.g. geotextiles
    • D10B2505/202—Artificial grass
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving

Definitions

  • the invention relates to a taffeta unit for a taffeta machine and a taffeta machine with such a taffeta unit.
  • Natural turf has long been used for sports surfaces such as those used for soccer fields. However, this is very maintenance-intensive and tends to develop damage under high loads. For this reason, artificial turf pitches were developed which are no longer based on natural grass, but in which an artificial material mimics the properties of grass.
  • taffeta The insertion of such yarn sections into a ground in which the natural grass is typically formed is called taffeta.
  • suitably cut yarn sections are inserted into the ground from above so that they only are partially buried in the ground and partially protrude upwards from the ground.
  • the parts of the yarn sections protruding upwards behave very similarly to natural blades of grass.
  • An exemplary taffeta machine can be found in the document DE 601 11 738 T2 can be removed. Fibers are blown into a suitable position with the help of air, after which they are cut off and inserted into the substrate.
  • Another exemplary taffeta machine can be found in document EP 0 610 352 B1 can be removed. Be there
  • Fibers are brought into a transfer position with the help of tubes, from which they are then inserted into the ground.
  • the document EP 3 029 199 A1 discloses an apparatus for inserting artificial grass strands into a ground.
  • the device has a drum for guiding grass strands and an insertion device for inserting the grass strands into the ground.
  • the document WO 93/08332 A1 discloses an apparatus for setting strands of grass into a ground.
  • the device has a device for transporting the strands of grass as well as insertion pins for insertion.
  • the insertion elements are attached above the orbit and, when inserted, pierce the orbit at least twice.
  • the yarn grippers can be designed as chain elements.
  • the yarn grippers can be mounted on a conveyor belt.
  • each yarn section transport unit has exactly two yarn grippers.
  • each yarn section transport unit has an even number of internal yarn grippers, which are arranged between the front yarn gripper and the rear yarn gripper.
  • the cutting unit can be displaced along the orbit so that a length of the yarn sections to be used can be adjusted.
  • the cutting unit is arranged in such a way that it cuts the yarn strands in a state in which the yarn sections are already positioned under the respective insert element and are inserted without further transport.
  • the orbit has a flat underside.
  • the orbit is vertically thinnest directly below the insert elements.
  • the circulating path rotates around a first roller at a first horizontal end and rotates around a second roller at a second horizontal end.
  • One of the roles for example the first role, can be a drive roller.
  • the yarn strands and / or the yarn sections are guided on an upper side of the circulating path. Alternatively, guidance on an underside of the orbit would also be possible.
  • the taffeta unit has a base plate on the underside, in which a number of bores are formed, through which the insert elements pierce when inserting.
  • each insert element is designed as a respective taffeta needle.
  • the taffeta unit has a needle carrier with which the insert elements are connected, the needle carrier being arranged transversely to the orbit.
  • the needle carrier can be driven vertically up and down by a drive, in particular a crank drive, preferably by crank drives or hydraulic cylinders arranged on both sides.
  • each crank drive can be driven hydraulically.
  • each taffeta needle is attached to a needle clamp which is preferably divided into sections and which is connected, in particular screwed, to the needle carrier.
  • the taffeta unit has a needle guide, preferably divided into sections, and / or a throat plate for guiding the insert elements when inserting the yarn sections into the ground.
  • the needle guide has a first arm and a second arm, which are arranged opposite one another.
  • the first arm is connected to a first guide plate, which has a number of horizontally U-shaped recesses for the passage of the insert elements and / or the second arm is connected to a second Guide plate is connected, which has a number of horizontally U-shaped recesses for the passage of the insert elements.
  • the insert elements are made from self-lubricating plastic.
  • the insert elements are made of steel, in particular of wear-resistant steel. In particular, they can also be reinforced with hard metal tips.
  • the taffeta unit is designed as a portal construction.
  • the yarn transport device has at least one drive drum which can be rotated by means of a rotary drive.
  • a length of a yarn section to be used can in particular be defined by a travel path or transport path of the yarn grippers and by a position of the cutting unit.
  • each yarn gripper extends transversely to the orbit.
  • each yarn gripper has at least one sliding profile arranged transversely to the direction of rotation and a counter-holding profile arranged transversely to the direction of rotation, the sliding profile being displaceable relative to the counter-holding profile between a first end position and a second end position, the yarns being held in the first end position and in the second end position the yarns are not held.
  • each yarn gripper furthermore has a carrier profile arranged transversely to the direction of rotation, in which and / or relative to which the sliding profile is displaceable.
  • each yarn gripper is designed, when the sliding profile is in the first end position, to hold the yarns by deflection and / or friction between the sliding profile and the counter-holding profile and / or the carrier profile.
  • the sliding profile in plan view, has inclined edges relative to the counter-holding profile and / or to the carrier profile for clamping the yarn strands.
  • the movement of the sliding profile is derived from the movement of the yarn transport device.
  • the opening track and the closing track each have a number of sectors movable transversely to the direction of rotation in order to move sliding profiles of the yarn grippers of a yarn section transport unit positioned below the insert elements even when the yarn section transport unit is not rotating.
  • the sectors movable transversely to the direction of rotation are moved in the same direction as the thread sections positioned under the insert elements are inserted to open the sliding profiles, preferably via a control element connected to the insert elements and / or a number of actuators.
  • a pick-up point for picking up the yarn strands is defined on the orbital path, the opener track and the closer track being designed to hold the yarn grippers open in the direction of rotation in front of the pick-up point and to close at the pick-up point.
  • the cutting unit is designed to move the yarn strands between a rear yarn gripper of a yarn section transport unit and the front one To cut yarn grippers of an immediately adjacent yarn section transport unit.
  • the cutting unit has a number of rotating cutting knives, in particular circular cutting knives or cutting disks, which are arranged so as to be linear and / or pivoting for cutting the yarn strands.
  • the cutting unit can also be designed with circumferential cutting bands, with diamond wire or with hot wire.
  • the cutting unit can be equipped with a rotating band knife.
  • the cutting unit can be designed as a rotating band knife.
  • the cutting unit can cut with diamond wire, for example.
  • the cutting unit can be equipped with a glow wire cutting unit, for example.
  • the cutting unit can be equipped with a laser cutter, for example.
  • the taffeta unit has a base frame to which the yarn transport device and the insert elements and preferably also the needle guide and / or the throat plate are attached.
  • Taffeta unit according to one of the preceding claims, characterized in that the taffeta unit has a feeler roller, which is designed to roll on the surface and in particular to transfer unevenness of the surface to the taffeta unit.
  • the insertion elements are designed to grasp the yarn sections between two adjacent yarn grippers and to press them down through between these yarn grippers for insertion.
  • the taffeta unit is arranged vertically movable in the machine frame.
  • the taffeta unit is height adjustable in the machine frame, in particular by means of at least one controlled hydraulic cylinder.
  • the taffeta machine has a level compensation unit, the level compensation unit having at least one sensor for sensing unevenness in the ground, and also having means for adjusting the height of the taffeta unit in response to the unevenness.
  • the taffeta machine has a drive unit for moving the taffeta machine on the ground.
  • the drive unit is synchronized with the yarn transport device, so that after the insertion of yarn sections into the ground, the taffeta machine is moved a defined amount on the ground and then further yarn sections are inserted.
  • the taffeta machine has a number of bobbins, with each bobbin storing a respective strand of yarn in order to deliver it to the taffeta unit.
  • the coils are arranged horizontally, viewed in the direction of travel of the taffeta machine, only on one side of the taffeta unit. However, they can also be arranged on both sides of the taffeta unit. There can also be a storage chamber for further bobbins and / or thread spools in the taffeta machine.
  • the method is carried out using a taffeta unit according to the invention or a taffeta machine according to the invention.
  • a taffeta unit according to the invention or a taffeta machine according to the invention.
  • the taffeta unit and the taffeta machine all of the designs and variants described herein can be used.
  • the yarn sections are held at their ends by two yarn grippers at least after the cutting step. However, they can also be held by several grippers.
  • a gripper distance can have a pitch of 40 mm, for example.
  • a different number of yarn grippers can hold the respective yarn section.
  • a yarn length of 400 mm can correspond to 10 hooks
  • a yarn length of 320 mm can correspond to 8 hooks
  • a yarn length of 240 mm can correspond to 6 hooks.
  • the yarn strands are taken up simultaneously and in parallel.
  • the yarn sections are transported and / or used simultaneously and in parallel.
  • the method is repeated many times or carried out endlessly.
  • a taffeta machine executing the method is moved by a defined and adjustable length on the ground.
  • FIG. 1 shows a taffeta machine 10 according to an embodiment of the invention.
  • the taffeta machine 10 has a frame 15 which provides basic stability and to which the components described below are attached.
  • the taffeta machine 10 has a taffeta unit 100. This is used to insert yarn sections into a substrate on which the taffeta machine 10 is running. This is discussed further below in the description, in particular with reference to Figures 2 ff, will be discussed in detail.
  • the taffeta machine 10 To supply the taffeta unit 100 with skeins of yarn, the taffeta machine 10 has a plurality of bobbins 20. A respective skein of yarn is wound onto each bobbin 20 and is fed to the taffeta unit 100 for insertion into the ground on which the taffeta machine 10 moves.
  • the taffeta machine 10 is designed to be inserted into the Figure 1 left-facing direction, or in the opposite direction. As can be seen - seen in the direction of travel - the coils 20 are located on only one side of the taffeta unit 100. This means that the taffeta unit 100 can be arranged adjacent to a longitudinal end or in an end-side quarter of the longitudinal extent of the taffeta machine 10, as is the case is the case in the design shown here.
  • the taffeta machine 10 has a drive unit 40.
  • this is designed in the form of an internal combustion engine and serves to supply energy and propel the taffeta machine 10.
  • the taffeta machine 10 To drive the taffeta machine 10, in the embodiment shown here, it has a chain running gear 50 with a pendulum bearing in the present case. In the present case, this has two lanes. Furthermore, the taffeta machine 10 has a front steering chassis 55, which in the present case is formed from a plurality of pneumatic wheels in order to reduce the surface pressure in the front part of the taffeta machine 10. The direction of movement of the taffeta machine 10 can be specified by means of the steering chassis 55.
  • a height-adjustable front pressure roller 57 is attached to the steering chassis 55. This serves to further reduce the surface pressure and level the subsurface. The floor to be taffeta is thus transferred to the taffeta unit 100 without disruptive unevenness or with less disruptive unevenness.
  • the taffeta unit 100 is guided by means of an integrated pushbutton unit just above the ground with a respectively set or adjustable taffeta height.
  • the touch unit continuously scans the floor and ensures that the taffeta yarn is worked in evenly.
  • the touch unit can for example be designed as a roller that rests on the floor and thus senses the height. It can, however, also be designed electronically and / or sensorially, for example by means of a radar sensor, an ultrasound sensor or a camera.
  • the taffeta machine 10 in the present case has a step plate 60. This hangs just above the ground to make it easier to see the yarn that has already been taffetaed.
  • the taffeta machine 10 in the present case has a rear pressure roller 70. This is adjustable in height and serves to level out the tracks of the previous crawler chassis 50.
  • the taffeta machine 10 can also have a work space in which an operator can sit or stand in order to operate and / or control the taffeta machine 10.
  • the taffeta machine 10 described here represents an advantageous but not the only possible embodiment.
  • the described components, apart from the taffeta unit 100, are optional and do not necessarily have to be present or do not necessarily have to be present in the embodiment described here in order to fulfill the functionality of a taffeta machine. It is also possible for only some of the components described to be present; these can be designed differently in whole or in part, and further components can also be present. All such combinations are considered part of the disclosure of this application.
  • FIG. 10 shows a portion of the taffeta unit 100 which is used in the FIG Figure 1 shown taffeta machine 10 is installed. It is therefore in particular also a taffeta unit according to an exemplary embodiment of the invention.
  • a method according to the invention can in particular also be carried out by means of the taffeta machine 10 described here or with the taffeta unit 100 described here. This can in particular take place in the way that will be described below.
  • the taffeta unit 100 is designed to receive a number or plurality of yarn strands 110, to cut them up and to insert them into the ground. It should be understood that in the illustration of Figure 2 , which is a side view, only one such yarn strand 110 is visible. The other strands of yarn 110 are immediately behind it.
  • the taffeta unit 100 has a yarn transport device 200 which is designed to receive and transport the yarn strands 110, as will be described below.
  • the yarn transport device 200 has a first roller 201 and a second roller 202.
  • the first roller 201 is a driven roller, i.e. it can be actively set in a rotary motion. This can, for example, be derived directly from the drive device 40, or it can also be generated by its own drive such as an electric motor.
  • the yarn transport device 200 has a plurality of yarn grippers 220. These are designed to selectively hold or release yarn strands 110. To do this, they can be opened and closed. This will be described in more detail below.
  • the yarn grippers 220 are arranged along a circulating path 205. This leads around the two rollers 201, 202.
  • the orbit 205 has a flat underside.
  • the circulation path 205 also has its maximum vertical extension at the points at which the rollers 201, 202 have their respective maximum vertical extension. Between the rollers 201, 202, in the present case in the middle between the rollers 201, 202, the circulating path 205 has its smallest vertical extent. Because at this point If further, vertically extending components are present, which are described further below, this shaping of the orbit leads to a smaller vertical extension or structural height of the taffeta unit 100.
  • the yarn grippers 220 circulate along the circulating path 205 in a predetermined direction of rotation, which is determined by the direction of rotation of the first roller 201.
  • the direction of rotation is such that the yarn grippers 210 move up to the left and down to the right. This applies to the view of Figure 2 .
  • the yarn transport device 200 is designed to pick up the yarn strands 110 at a pick-up point 207.
  • guide tracks or opener and closer tracks are provided with which the yarn grippers 220 can be opened and closed.
  • the yarn grippers 220 are held open immediately in front of the pick-up point 207 so that the yarn strands 110 can be picked up, and are closed immediately at the pick-up point 207 so that the yarn strands 110 are guided and transported by the yarn grippers.
  • the yarn grippers 220 are connected to one another as an infinite chain (gripper chain) by means of bolts.
  • a yarn strand 110 that has been picked up is transported to the left along the upper side of the guide track 205. As a result, it arrives at a yarn section transport unit 210.
  • a yarn section transport unit 210 is to be understood as a number of yarn grippers 220 which are arranged adjacent or consecutively along the circulating path 205 and which take up a length of the yarn which corresponds to a yarn section that penetrates the ground should be used.
  • a yarn section transport unit 210 is not necessarily recognizable by optical, technical or other features, in particular in the absence of yarn strands 110.
  • a cutting unit 240 is provided in order to cut the yarn strands 110.
  • this is designed as a heating element, so that the cutting takes place through the action of heat.
  • the cutting unit 240 is designed to cut the yarn strands 110 in such a way that a yarn section 212 cut off between the rollers 201, 202 on the upper side of the circulating path 205 remains. This yarn section 212 is intended for insertion into the ground.
  • the yarn section 212 is held by the yarn section transport unit 210. It is held on the left by a front yarn gripper 230. On the right side it is held by a rear yarn gripper 235. The yarn section 212 is held between the front yarn gripper 230 and the rear yarn gripper 235 by a plurality of yarn grippers 220. It should be mentioned that the front and rear yarn grippers 230, 235 are only those of the yarn grippers 220 which are located at the end of the yarn section transport unit 210. Otherwise they are normal yarn grippers 220.
  • the position of the cutting unit 240 is adjustable in the present case, namely in the present three positions, which are shown in Figure 2 are marked with P1, P2, P3.
  • the specific possible positions of the cutting unit 240 are on the right-hand side of FIG Figure 2 shown. This corresponds to the end points of the yarn section 212 shown on the left-hand side, which are provided with corresponding designations P1, P2, P3. It should be understood that more or fewer positions or also infinitely variable adjustability are possible.
  • the length of the yarn section 212 can be adjusted by means of the adjustable cutting unit 240.
  • the length of the yarn section transport unit 210 also adapts accordingly.
  • the feed that is to say the movement of the yarn section 212 into the central position, is also adapted accordingly.
  • a rotary encoder in particular can be used for this purpose.
  • 240 mm, 320 mm and 400 mm can be mentioned as advantageously adjustable lengths of the yarn section, which can be achieved by setting the cutting unit 240 accordingly.
  • the taffeta unit 100 also has a number of insert elements 250.
  • these are designed as taffeta needles, the view of FIG Figure 2 only one such taffeta needle can be seen, the others are immediately behind it.
  • the insert element 250 is arranged centrally between the two rollers 201, 202 and directly above the vertically thinnest point of the circulating path 205.
  • the taffeta needle is aligned vertically.
  • the insert element 250 can be moved straight down, taking the associated yarn section 212 with it, pushing through two gaps between yarn grippers 220, i.e. crossing the orbit 205 twice, and then inserting the yarn section 212 into the ground. For this purpose, the insert element 250 moves vertically straight down.
  • the taffeta unit 100 has a needle guide 280 and a throat plate 285.
  • the needle guide 280 is located above the revolving belt 205 and will be described in more detail below.
  • the throat plate 285 is located within the orbit 205 and has a vertical through hole for each insertion element 250.
  • the taffeta unit 100 furthermore has a base plate 120. This is arranged on the underside of the taffeta unit 100 and likewise has a respective vertical through hole for each insert element 250.
  • the base plate 120 serves in particular to protect the taffeta unit 100 from mechanical damage and from soiling. In particular, it has the task of avoiding rolling up turf that has not yet grown on when the insert elements 250 are raised.
  • Figure 3 shows the taffeta unit from below. It can be seen that a total of 10 insert elements 250 are arranged next to one another, which can pierce downwards through corresponding bores or recesses in the base plate 120. Otherwise, refer to the description regarding the components Figure 2 referenced.
  • FIGS. 4 to 6 show the already mentioned needle guide 280 in greater detail. Show it Figure 4 a view from below, Figure 5 a side view and Figure 6 another side view.
  • the needle guide 280 has a first arm 281 and an opposing second arm 282.
  • the first arm 281 is connected to a first guide plate 283 and the second arm 282 is connected to a second guide plate 284.
  • U-shaped recesses are formed in each of the guide plates 283, 284, each insert element 250 passing through a U-shaped recess in the first guide plate 283 and through a U-shaped recess in the second guide plate 284.
  • the respective insert element 250 in advantageously performed, which avoids jamming or other malfunctions.
  • the U-shaped design ensures that any soil or other impurities that may be carried along do not lead to a blockage of a bore, but can instead fall off to the side of the recess.
  • the two guide plates 283, 284 are fastened to the arms 281, 282 by means of fastening screws 286. By loosening these fastening screws 286, they can be adjusted in the horizontal plane.
  • adjusting screws 287 are also provided with which an adjustment in the Y direction is possible. The adjustment in the X direction can be done by pulling out the guide plates 283, 284 by hand and then tightening the fastening screws 286 again.
  • Lock nuts 288 and adjusting screws 289 are also provided. This allows the height of the orbit 205 to be adjusted. To do this, the lock nuts 288 are loosened and fixed again after adjustment.
  • the circumferential path 205 is flat in the middle in order to increase the tension in the yarn strand 110 in the middle.
  • the yarn is thus optimally guided in an insert element 250.
  • FIGS 7, 8 and 9 show the interaction between a control cam 130 and movable sectors 140 of the opening and closing tracks already mentioned above. It should be understood that the device shown can be moved about pivot points 135, in particular when a corresponding force is exerted by means of the control cam 130. The movements are described below.
  • the Figures 10, 11, 12, 13 show the insertion elements 250. These are attached to a needle clamp 270, which in turn shows a needle carrier 260 is attached. As a result, the insert elements 250 can be moved vertically up and down, as already described above with reference to FIG Figure 2 has been described.
  • the control element 265 follows any vertical movement of the needle carrier 260.
  • the Figures 14 to 19 each show one or two yarn grippers 220 in an open state.
  • the Figures 20 to 25 each show one or two yarn grippers 220 in a closed state.
  • Each yarn gripper 220 has a sliding profile 224 and a counter holding profile 226. While the counter holding profiles 226 cannot be displaced in a direction transverse to the orbit, the sliding profiles 224 can be displaced in this direction. Lateral contact elements 228, 229, which in the present case are designed as rollers, are used to trigger such a shift. The contact elements 228, 229 are in contact with the opening or closing path, so that the position of the sliding profiles 224 relative to the counter-holding profiles 226 can be changed.
  • yarn strands 110 can be clamped and released.
  • the edges of the sliding profiles 224, which cooperate with the edges of the counter-holding profiles 226, are inclined executed, ie they are slightly tilted relative to orbit 205. It is thereby achieved that the yarn strands 110 are pinched at defined positions.
  • FIGS 26 to 35 states of the taffeta unit 100 are shown which occur during a taffeta process. They show Figures 26 , 28 , 30th , 32 , 34 respective side views and the Figures 27 , 29 , 31 , 33 , 35 respective other side views.
  • the Figures 26, 27 show a first state.
  • the Figures 28, 29 show a second state.
  • the Figures 30, 31 show a third state.
  • the Figures 32, 33 show a fourth state.
  • the Figures 34, 35 show a fifth state.
  • the first state corresponds to a starting position in which the needle carrier 260 is at the top.
  • the movable sectors 140 are in a state in which the yarn grippers 220 are in a closed state.
  • the needle carrier 260 has already been moved down a little. This can also be seen in particular from the insert element 250 and the control element 265.
  • the insert member 250 begins to grip the portion of yarn 212.
  • the yarn grippers 220 are still closed.
  • the needle carrier 260 was moved further down.
  • the movable sectors 140 are pivoted laterally and the yarn grippers 220, which hold the yarn section 212, are opened.
  • the insertion element 250 can thus press the thread section 212 downwards.
  • the needle carrier 260 In the fourth state, the needle carrier 260 is in its lowest position.
  • the insert element 250 is located partially underground under the taffeta unit 100.
  • the control element 265 is located outside of the control cam 130, the movable sectors 140 remaining in position due to friction.
  • the yarn grippers 220 thus remain open.
  • the needle carrier 260 is again in its upper position. Accordingly, the control element 265 is also shifted upwards and has ensured, via the control cam 130, that the yarn grippers 220 are closed again. At the moment, however, these no longer hold a section of yarn, since this was transported down into the ground by the process just described and remains there.
  • the yarn grippers 220 just described with reference to the individual states mean in particular those yarn grippers 220 which hold a respective yarn section 212 to be used. These can thus be opened and closed independently of a movement along the orbit 205.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Textile Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Knitting Machines (AREA)
  • Treatment Of Fiber Materials (AREA)

Claims (15)

  1. Unité de taffetas pour une machine à taffetas mobile (10), dans laquelle l'unité de taffetas (100) présente ce qui suit :
    ▪ un dispositif de transport de fil (200) pour le transport simultané et parallèle d'un certain nombre de brins de fil (110),
    ∘ dans lequel le dispositif de transport de fil (200) présente une pluralité de boucleurs de fil (220) qui sont disposés dans une direction de circulation pour la circulation le long d'une piste de circulation (205),
    ∘ dans lequel chaque boucleur de fil (220) est conçu pour maintenir de manière amovible les brins de fil (110),
    ∘ dans lequel une pluralité d'unités de transport de sections de fil (210) ayant chacune une pluralité de boucleurs de fil (220) est définie le long de la piste de circulation (205),
    ▪ dans laquelle chaque unité de transport de section de fil (210) présente au moins un boucleur de fil avant respectif (230) et un boucleur de fil arrière respectif (235) vus dans la direction de circulation,
    ▪ une unité de coupe (240), qui est conçue pour couper les brins de fil (110) entre deux unités de transport de sections de fil adjacentes (210) en sections de fil individuelles respectives (212), et
    ▪ au moins un élément d'insertion (250),
    ▪ dans lequel le dispositif de transport de fil (200) est conçu pour positionner une unité de transport de section de fil respective (210) avec des sections de fil (212) en circulant sous le ou les éléments d'insertion (250) de sorte qu'une section de fil coupée respective (212) soit affectée à chaque élément d'insertion (250), et
    ▪ chaque élément d'insertion (250) est conçu pour insérer la section de fil affectée respective (212) dans un substrat se trouvant sous l'unité de taffetas (100),
    caractérisée en ce que
    ▪ les éléments d'insertion (250) sont placés au-dessus de la piste de circulation (205) et, lors de l'insertion, percent la piste de circulation (205) au moins deux fois.
  2. Unité de taffetas selon la revendication 1, caractérisée en ce que chaque unité de transport de section de fil (210) présente exactement deux boucleurs de fil (230, 235).
  3. Unité de taffetas selon l'une quelconque des revendications précédentes, caractérisée en ce que chaque unité de transport de section de fil (210) présente un nombre pair de boucleurs de fil internes (220) disposés entre le boucleur de fil avant (230) et le boucleur de fil arrière (235).
  4. Unité de taffetas selon l'une quelconque des revendications précédentes, caractérisée en ce que l'unité de coupe (240) peut être déplacée le long de la piste de circulation (205), de sorte qu'une longueur des sections de fil à utiliser (212) est réglable et/ou l'unité de coupe (240) est disposée de sorte qu'elle coupe les brins de fil (110) dans un état dans lequel les sections de fil (212) sont déjà positionnées sous l'élément d'insertion respectif (250) et sont insérées sans transport supplémentaire.
  5. Unité de taffetas selon l'une quelconque des revendications précédentes, caractérisée en ce que la piste de circulation (205) présente une face inférieure plane et/ou la piste de circulation (205) est verticalement la plus mince immédiatement sous les éléments d'insertion (250) et/ou la piste de circulation (205) circule autour d'un premier rouleau (201) sur une première extrémité horizontale et circule autour d'un second rouleau (202) sur une seconde extrémité horizontale.
  6. Unité de taffetas selon l'une quelconque des revendications précédentes, caractérisée en ce que l'unité de taffetas (100) présente un porte-aiguille (260) auquel les éléments d'insertion (250) sont reliés, dans lequel le porte-aiguille (260) est disposé transversalement au trajet de circulation (205) et/ou le porte-aiguille (260) peut être entraîné verticalement vers le haut et vers le bas par un entraînement, en particulier un embiellage, de préférence par des embiellages ou vérins hydrauliques disposés des deux côtés.
  7. Unité de taffetas selon la revendication 6, caractérisée en ce que chaque embiellage peut être entraîné hydrauliquement et/ou chaque aiguille de taffetas est fixée à une pince à aiguille (270) qui est de préférence divisée en sections et qui est reliée, en particulier vissée, au porte-aiguille (260) et/ou l'unité de taffetas (100) présente un guide d'aiguille (280), de préférence divisé en sections, et/ou une plaque à aiguille (285) pour guider les éléments d'insertion (250) lors de l'insertion des sections de fil (212) dans le substrat.
  8. Unité de taffetas selon l'une quelconque des revendications précédentes, caractérisée en ce que chaque boucleur de fil (220) s'étend transversalement au trajet de circulation (205) et/ou chaque boucleur de fil (220) présente au moins un profil coulissant (224) disposé transversalement au trajet de circulation et un profil de retenue (226) disposé transversalement au trajet de circulation, dans lequel le profil coulissant (224) peut être déplacé par rapport au profil de retenue (226) entre une première position d'extrémité et une seconde position d'extrémité, dans lequel les fils (110) sont maintenus dans la première position d'extrémité et les fils (110) ne sont pas maintenus dans la seconde position d'extrémité et/ou chaque boucleur de fil (220) présente en outre un profil de support disposé transversalement au trajet de circulation, dans lequel et/ou par rapport auquel le profil coulissant (224) peut être déplacé et/ou chaque boucleur de fil (220) est conçu, lorsque le profil coulissant (224) se trouve dans la première position d'extrémité, pour tenir les fils par déflexion et/ou frottement entre le profil coulissant (224) et le profil de retenue (226) et/ou le profil de support.
  9. Unité de taffetas selon la revendication 8, caractérisée en ce que le mouvement du profil coulissant (224) est dérivé du mouvement du dispositif de transport de fil (200).
  10. Unité en taffetas selon l'une quelconque des revendications 8 ou 9, caractérisée en ce que le profil coulissant (224) est relié, à une extrémité longitudinale, à un premier élément d'appui (228) et, à une extrémité longitudinale opposée, à un second élément d'appui (229), dans lequel
    ▪ les éléments d'appui (228, 229) sont de préférence conçus sous forme de galets de roulement,
    ▪ l'unité de taffetas (100) présente une piste d'ouverture et une piste de fermeture, qui s'étendent le long de la piste de circulation (205), et
    ▪ le premier élément d'appui (228) repose contre la piste d'ouverture et le second élément d'appui (229) repose contre la piste de fermeture, de sorte qu'en réduisant l'écart entre la piste d'ouverture et le dispositif de transport de fil (200), le profil coulissant (224) est poussé dans la seconde position d'extrémité et, en réduisant l'écart entre la piste de fermeture et le dispositif de transport de fil (200), le profil coulissant (224) est poussé dans la première position d'extrémité.
  11. Unité de taffetas selon la revendication 10, caractérisée en ce que la piste d'ouverture et la piste de fermeture présentent chacune un certain nombre de secteurs (140) qui peuvent être déplacés transversalement à la direction de circulation pour déplacer les profils coulissants (224) des boucleurs de fil (220) d'une unité de transport de section de fil (210) positionnée sous les éléments d'insertion (250) même lorsque l'unité de transport de section de fil (210) ne circule pas.
  12. Unité de taffetas selon l'une quelconque des revendications 10 ou 11, caractérisée en ce qu'un point de réception (207) pour recevoir les brins de fil (110) est défini sur la piste de circulation (205), dans laquelle la piste d'ouverture et la piste de fermeture sont conçues pour maintenir les boucleurs de fil (220) ouverts devant le point de réception (207) et fermés au point de réception (207) dans la direction de circulation.
  13. Unité de taffetas selon l'une quelconque des revendications précédentes, caractérisée en ce que l'unité de coupe (240) est conçue pour couper les brins de fil (110) entre un boucleur de fil arrière (235) d'une unité de transport de section de fil (210) et le boucleur de fil avant (230) d'une unité de transport de section de fil directement adjacente (210).
  14. Machine à taffetas, présentant
    ▪ un châssis de machine (15) conçu pour se déplacer sur un substrat, et
    ▪ une unité de taffetas (100) selon l'une quelconque des revendications précédentes, qui est disposée dans le châssis de machine (15).
  15. Procédé d'insertion de sections de fil (212) dans un substrat au moyen d'une unité de taffetas (100) selon l'une quelconque des revendications 1 à 13 ou d'une machine à taffetas (10) selon la revendication 14, en particulier pour la fabrication de gazon naturel stabilisé par fibres, dans lequel le procédé présente les étapes suivantes :
    ▪ réception d'un certain nombre de brins de fil (110),
    ▪ coupe des brins de fil (110) en sections de fil respectives (212),
    ▪ disposition des sections de fil (212) sous un certain nombre d'éléments d'insertion (250) de sorte qu'une section de fil (212) soit affectée à chaque élément d'insertion (250), et
    ▪ insertion des sections de fil (212) dans le substrat au moyen des éléments d'insertion (250).
EP17835465.0A 2016-12-14 2017-12-14 Unité de formation de gazon, machine de formation de gazon et procédé d'insertion de gazon dans un support Active EP3555355B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202016106988.2U DE202016106988U1 (de) 2016-12-14 2016-12-14 Tafteinheit und Taftmaschine
PCT/EP2017/082940 WO2018109137A1 (fr) 2016-12-14 2017-12-14 Unité de taffetas, machine de taffetas et procédé de mise en œuvre de secteurs de fil dans un fond de toile

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Publication Number Publication Date
EP3555355A1 EP3555355A1 (fr) 2019-10-23
EP3555355B1 true EP3555355B1 (fr) 2020-12-09

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EP (1) EP3555355B1 (fr)
DE (1) DE202016106988U1 (fr)
WO (1) WO2018109137A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3081889B1 (fr) * 2018-05-30 2020-12-04 Natural Grass Vehicule pour reproduire une image sur au moins un rectangle de marquage d'une zone engazonnee
DE202018107291U1 (de) * 2018-12-19 2020-03-20 Smg Sportplatzmaschinenbau Gmbh Tafteinheit und Taftmaschine

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Publication number Priority date Publication date Assignee Title
US4061804A (en) * 1976-08-12 1977-12-06 Akzona Incorporated Non-directional rectangular filaments and products
NZ244708A (en) * 1991-10-14 1995-11-27 Tapijtfabriek H Desseaux Nv Artificial grass inserter with at least one planting pin
NL1014978C2 (nl) 2000-04-19 2001-10-24 Desseaux H Tapijtfab Werkwijze voor het in een ondergrond aanbrengen van kunststoffen vezels alsmede een dergelijke inrichting.
WO2004057111A1 (fr) * 2002-12-19 2004-07-08 Hugo De Vries Tapis de gazon artificiel et procede de fabrication dudit tapis
ITMI20050037A1 (it) * 2005-01-14 2006-07-15 Italgreen S P A Tappeto in particolare per manti erbosi sintetici struttura di manto erboso sintetico includente il tappeto e metodo e apparecchiatura di fabbricazione del tappeto
US20190127926A1 (en) * 2015-01-26 2019-05-02 Sisgrass B.V. Device for Inserting Artificial Grass Strands into the Ground

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DE202016106988U1 (de) 2018-03-15
EP3555355A1 (fr) 2019-10-23

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