EP3165659A1 - Nail module for a needle board of a needle machine - Google Patents
Nail module for a needle board of a needle machine Download PDFInfo
- Publication number
- EP3165659A1 EP3165659A1 EP15193258.9A EP15193258A EP3165659A1 EP 3165659 A1 EP3165659 A1 EP 3165659A1 EP 15193258 A EP15193258 A EP 15193258A EP 3165659 A1 EP3165659 A1 EP 3165659A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- needle
- module
- segment
- guide element
- segments
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H18/00—Needling machines
- D04H18/02—Needling machines with needles
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
- D01G15/84—Card clothing; Manufacture thereof not otherwise provided for
- D01G15/90—Lags, e.g. for jute cards
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H18/00—Needling machines
Definitions
- the invention relates to a needle module for a needle board of a needle machine, in which the needle spacings and the needle assembly are variable.
- Needle machines are well known and, for example, in Lünenscha and Albrecht: “Nonwovens", Georg-Thieme-Verlag Stuttgart, 1982, pp. 122-129 described.
- a fleece is supplied to the inlet of the needle machine and conveyed to the needle zone.
- a needle bar with a needle board attached thereto is arranged, which is equipped with needles for solidifying the nonwoven.
- the fleece to be needled is guided between a hold-down plate and a throat plate.
- the needles densify the web by being punched into the web at high frequency and pulled out again. They pass through recesses in the hold-down plate and the throat plate.
- the resulting product is a consolidated nonwoven.
- the person skilled in the various forms of needle machines are known, including double needle machines, which is needled from above and below by means of two needle bars, or needle machines in which the needle bars are moved during the solidification process in the direction of movement of the web.
- a needle board for needling machines comprising a plurality of needle modules, each of which comprises a carrier plate provided with a plurality of needles.
- the individual needles are injected or cast into the carrier plate of the needle module.
- the needle modules are inserted in slots of a base plate of the needle board.
- the use of needle modules in a needle board has made it possible to quickly and easily replenish needle boards and increase the life of the needle boards, since there are no more individual holes for receiving individual needles in the needle board, which wear when replacing or replacing the individual needles ,
- the arrangement of the individual needle modules in the needle board and the arrangement of the individual needles to each other within a needle module are fixed and can not be varied.
- the present invention has for its object to provide a needle module for a needle board of a needle machine, in which the distances and the arrangement of the individual needles are variable to one another.
- a needle module for a needle board of a needle machine has a plurality of module segments, each module segment comprising a segment head and at least one needle and the segment head being equipped with the at least one needle. Furthermore, the needle module comprises a guide element extending in a longitudinal direction of the needle module, wherein in a setting state of the needle module, the module segments are connected to the guide element and at least one module segment is movable along the guide element.
- the needle module according to the invention can be used, for example, to produce predetermined stitch patterns, to repair defects in an already previously needled fleece or basically to produce a homogeneous stitch pattern. This results in particular economic advantages, since no individual needle boards or needle modules must be made for the particular circumstances and the use of the preset needle modules can be done quickly.
- the segment head of each module segment has a first receptacle which receives a portion of the guide element. So can the individual module segments space-saving and movable to be connected to the guide element.
- the guide element is provided with a receptacle which receives corresponding sections or counterparts on the segment heads of the module segments.
- the first receptacle is formed in a first embodiment as a bore through the segment head and in a second embodiment formed as a groove in the segment head. Further suitable embodiments of the first receptacle for producing a suitable connection between the guide element and the segment head are familiar to the person skilled in the art.
- At least one module segment comprises a plurality of needles.
- the segment head have predetermined breaking points between each two adjacent needles.
- individual module segments of desired lengths or with a desired number of needles can be obtained particularly easily from a module segment strip.
- a uniform manufacturing process for module segment strips of uniform length leads to economic advantages, viz. in terms of tooling costs.
- the division of the module segment strip into individual module segments takes place in this case after the production of the module segment strips, as becomes clear from the description of the exemplary embodiments shown in the figures.
- the guide element has a substantially circular or oval cross-section. These cross-sectional shapes are particularly suitable for the movable connection of the module segments with the guide element, especially with regard to a displacement of the module segments along the guide element.
- the distance of the plurality of module segments from one another is fixed in a fixing state of the needle module. It is thus ensured that the distance between the individual module segments, the previously according to the present conditions has been set, during operation of the needle machine, for example due to vibration, can not change.
- the guide element is formed as a wire, whereby the guide element can be implemented very inexpensively. Further advantages are obtained with a wire, e.g. made of aluminum or copper, of its good ductility and ease of processing.
- the determination of the distance between the module segments is done by positive engagement.
- the positive connection may e.g. by deformation of adjacent to the segment heads sections of the guide element.
- this results in a particularly simple way of determining the distance of the individual module segments from one another and no additional securing elements are required.
- weight and space can be saved.
- a secure and reliable operation of the needle machine is ensured by the plastic deformation, since the position of the individual module segments can not change during operation.
- a needle board for a needle machine preferably has a plurality of second receptacles into which a plurality of needle modules according to the invention is inserted.
- a needle board is provided, which can be equipped with the needle modules according to the invention quickly and easily and re-equipped. Furthermore, the stitch pattern of the needle machine can thereby be varied without having to use a new needle board.
- the guide element is designed as a threaded rod with an external thread.
- the first receptacle of the segment head is formed with an internal thread, so that the external thread of the threaded rod and the internal thread of the segment head can interlock.
- This embodiment is particularly suitable for the reversible adjustment of the distance of the module segments to each other, so that the guide element is reusable and faulty settings of the distances are easy to fix or adjust.
- the use of a threaded rod as a guide element is particularly well suited for setting the module segment or needle assembly in an automated presetter.
- the fixing state of the needle modules in which the distance of the plurality of module segments is fixed to each other, preferably achieved only in the needle board of a needle machine when the plurality of needle modules in a plurality of second receptacles of Needle boards are used.
- the determination of the distance between the module segments is effected by positive engagement due to the concern of the segment heads on the wall portions of the plurality of second receptacles of the needle board.
- a needle board is provided, which can be equipped quickly and easily with needle modules according to the invention and re-equipped.
- the distance between the individual module segments is fixed on the threaded rod, without requiring additional funds or irreversible editing of the guide element.
- Fig. 1 shows an embodiment of the needle module according to the invention 10. This can, as in relation to the FIGS. 4 and 5 is explained, are used in second recordings 4 of a needle board 1.
- the needle module 10 comprises a plurality of module segments 20 and a guide element 50. Each module segment 20 consists of a segment head 30 and at least one needle 40.
- the guide element 50 extends substantially in a longitudinal direction of the needle module 10, which in FIG Fig. 1 indicated by the arrow L.
- the module segments 20 are connected to the guide member 50 and at least one module segment 20 is movable along the guide member 50.
- the module segment spacing A is the distance in which two adjacent module segments are arranged relative to one another.
- each segment head 30 has a first receptacle 32 which receives a portion of the guide member 50.
- the first receptacle 32 is formed as a groove, which has a substantially circular cross section and in which the guide member 50 is received, wherein the cross section is further open conically upwards. The constriction between the circular cross-section portion and the conical upwardly extending cross-sectional portion is to make narrower than the diameter of the guide member 50.
- the first receptacle 32 is formed as a bore through an upper portion of the segment head 30, through which the guide member 50 is passed, or that the first receptacle 32 is designed as a groove, which accommodates a guide member 50 with a rectangular cross-section , eg a bar allows.
- the contour of the cross section of the portion of the first receptacle 32 that receives the guide member 50 is adapted to the contour of the cross section of the guide member 50 to make a secure connection and at the same time to ensure the mobility of the segment head 30 on the guide element 50.
- the guide element 50 may, for example, as shown, consist of a wire or another as thin as possible, rod-shaped element.
- a wire is inexpensive to procure and can be easily adapted to the desired length of the needle module 10.
- it is an aluminum or copper wire.
- Fig. 1 the needle module 10 is shown in a fixation state.
- sections 52 of the guide element 50, which adjoin the segment heads 30 of the module segments 20 are plastically deformed.
- the module segments 20 are connected in a form-fitting manner to the guide element 50.
- the position and thus the distance between the module segments 20 to each other is determined.
- the needle module 10 has no deformed sections 52 in the setting state, so that the individual module segments 20 can be moved freely along the guide element 50.
- the needles 40 are usually cast and molded onto the segment head 30 for particularly simple production of module segments 20.
- the segment head 30 is made of plastic, preferably of a hard plastic, which may be reinforced with glass fiber formed.
- the needles 40 are inserted or pressed into corresponding recesses in prefabricated segment heads 30, for example.
- the needles 40 may have upset or angled heads.
- the shafts of the needles 40 may also be roughened. Further connection or production possibilities for such module segments 20 will be apparent to those skilled in the art from this disclosure.
- This distance between the needle head and the upper edge of the segment head 30 is preferably at least 1 mm to 5 mm.
- a further embodiment of a needle module 10 according to the invention is shown, in which the guide element 50 is formed as a threaded rod. This has an external thread which is in engagement with an internal thread, which is introduced into the first receptacle 32 of the segment heads 30.
- the individual module segments 20 are freely movable by turning along the threaded rod 50.
- the adjustment of the distances A of the individual module segments 20 to one another preferably takes place in a presetting device, as explained at the end of the description of the figures.
- the threaded rod 50 has an end cap 54 made of plastic at both ends. The end caps 54 are used for clamping in Voreinstell réelle and the inclusion of the needle module 10 in a needle board 1.
- corresponding end portions may also be integrally formed with the threaded rod, for example as rotationally symmetrical paragraphs without thread.
- the first receptacle 32 may be formed as a bore, but also have a substantially circular cross section, which is open conically upwards.
- the circular cross-section portion of the first receptacle 32 covers a sufficiently large circumference of the threaded rod 50, so that the external thread of the threaded rod and the internal thread of the first receptacle 32 can mesh cleanly.
- the upwardly directed, tapered opening of the cross section in the form of a groove hinders neither the interaction of the thread nor the movement of the module segments 20 along the guide member 50.
- the determination of the module segment distances A preferably by means Positive fit between the segment heads 30 and the needle board 1, as with respect to Fig. 5 described below.
- Fig. 3 shows in perspective view a module segment strip 22 with predetermined breaking points 34. More specifically, a module segment strip 22 is shown here, from which individual module segments 20 can be obtained with an arbitrary number of needles 40 by breaking along the predetermined breaking points 34.
- the guide element 50 and the first receptacle 32 in the segment head 30 are not shown in this figure for reasons of clarity, but are inventively available, as can be seen in the remaining figures.
- the predetermined breaking points 34 are formed in the illustrated example as grooves in the vertical direction parallel to the needle longitudinal axes in the segment head 30.
- the predetermined breaking points are preferably introduced between two adjacent needles 40 on both sides in the segment head 30. By canceling so module segments 20 of different lengths or with any number of needles 40 can be obtained.
- the formation of the predetermined breaking points 34 by double-sided grooving of the segment head 30 turns out to be particularly suitable, but those skilled in the art are familiar with further possibilities for forming suitable predetermined breaking points.
- Typical means for forming predetermined breaking points are, for example, any forms of reducing the material thickness or other weakening of the material at the predetermined locations, e.g. through perforation.
- the module segment strips 22 can be made in any length, even as an almost endless strip.
- module segment strips 22 result in view of the manufacturing process of the module segments 20.
- the manufacturing process of the module segments 20 can be significantly standardized if module segment strips 22 of a uniform length are produced, wherein the segment head 30 of the module segment strip 22 has the predetermined breaking points 34 described.
- the module segments 20 can be separated out of the module segment strip 22 without having to provide separate manufacturing processes or tools for individual sizes of module segments 20. This proves to be advantageous, in particular taking into account the tooling costs, for example for injection molds (dies).
- module segments 20 with a needle 40 or module segments 20 with a plurality of needles 40 can also be produced in many other ways.
- FIGS. 4 and 5 are embodiments of the needle module 10 of the invention Fig. 1 and 2 shown schematically in a needle board 1.
- the needle board 1 consists essentially of a base plate, which may be made of aluminum or magnesium, and having a plurality of second receptacles 4 for receiving the needle modules 10.
- the second receptacles 4 are preferably formed as slots in the needle board 1, which extend in the longitudinal direction L of the needle modules 10.
- the slots or second receptacles 4 are in turn arranged according to the given requirements in the needle board 1.
- the slots and the needle modules 10 inserted therein in the fleece feed direction, transverse to the fleece feed direction or at an angle extend obliquely to this.
- the needle module 10 according to the invention can be used with a large number of different needle boards.
- FIGS. 4 and 5 in each case only a section of a needle board 1 is shown, wherein for better illustration in each case only one needle module 10 is inserted into a second receptacle 4 and adjacent side walls of the needle board 1 are shown broken out for a better view.
- a needle module 10 having only one module segment 20 is shown, but of course there are usually several module segments 20 per needle module 10.
- Each segment head 30 rests with a lower footprint in the second receptacle 4 of the needle board 1.
- the guide member 50 is again formed as a wire or other rod-shaped element of round cross-section (similar to Fig. 1 ).
- the guide element 50 shown here has no deformed sections 52 for the positive fixing of the position of the module segments 20.
- the module segments 20 are frictionally held in position, by frictional engagement between the segment head 30 and the second receptacle 4 of the needle board 1 or by frictional force generated by clamping the segment head 30 between needle board 1 and needle bar.
- the friction surface of the needle board 1 or of the needle bar can be provided with an additional layer with a high coefficient of friction, for example with sandpaper.
- module segments 20 and spacers or sleeves of any length may be threaded onto the guide member 50.
- the fixation state of the needle module 10 can thus be present even before the insertion of the needle module 10 in the needle board 1 (with positive fixing of the module segments 20 on the guide member 50) or only after the insertion of the needle module 10 in the needle board 1 (positive and / or non-positive Fixation in connection with needle board 1 and / or needle bar).
- the determination of the position of the needle module 10 in the needle board 1 in a direction transverse to the longitudinal direction L of the needle modules 10 is preferably carried out by positive engagement between the lateral surfaces
- the determination of the position of the needle module 10 in the needle board 1 in the longitudinal direction L of the needle modules 10 is preferably carried out by pressing the ends of the guide elements 50 in the second recordings 4.
- the needle modules 10 are slidably received in the longitudinal direction L in the second receptacles 4 and a determination takes place later, for example by means of additional locking means.
- Fig. 5 is a needle module 10 similar to that Fig. 2 inserted into a second receptacle 4 of a needle board 1 shown.
- the guide element 50 is in turn formed as a threaded rod having end caps 54 at both ends.
- the needle module 10 is for example pressed or hammered into the second receptacles 4, so that the end caps 54 rest on the edge region 6 of the second receptacles 4 and thus fix the position of the needle module 10 in a form-fitting manner in the longitudinal direction L of the needle module 10.
- lower contact surfaces of the segment heads 30 rest on a bottom surface of the second receptacles 4, in order additionally to prevent the needle module 10 from shifting downward when the needle board is moved vertically.
- the resting of a lower footprint of the segment heads 30 is not mandatory because a corresponding backup or determination of the needle modules 10 can be achieved depending on the lifting speeds of the needle board 1 by clamping the needle module 10 in the second recordings 4 or other means can be provided for this purpose.
- the segment heads 30 with lateral, possibly circumferential recesses which are arranged in an upper region of the segment heads 30 and come to rest on a corresponding shoulder in the needle board 1 or in the receptacles 4 of the needle board 1. It is also conceivable that only the two end portions of the guide element 50, for example the end caps 54, rest on corresponding shoulders in the needle board.
- the fixation state of the needle module 10 results from a positive connection of the segment heads 30 with a side wall 6 of the second receptacle 4 of the needle board 1.
- the needle module 10 is in the setting state in which the individual Module segments 20 can be rotated as desired along the threaded rod and thus can be positioned to each other.
- the needle modules 10 in the receptacles 4 is rotated by an at least partially abutting side surfaces of the segment heads 30 on the side wall 6 of the receptacle 4 twisting the module segments 20, the position of the individual module segments 20 thus determined by positive locking.
- the setting of the module segment distances A and further possibilities for determining the needle modules 10 and the module segments 20 in the needle board 1 are described below.
- the upper edge of the module segments 20, that is to say the segment heads 30, can protrude beyond a surface of the needle board 1, so that there is a clamping action between the module segments 20 and the needle bar on which the needle board 1 is attached (see FIG Fig. 4 ).
- the second receptacles 4 in the needle board 1 and the segment heads 30 of the needle modules 10 run down conically or footprints of the segment heads 30 according to paragraphs of the second receptacle 4 rest, so that a pushing of the module segments 20 prevented by the second receptacle 4 down becomes.
- the individual module segments 20 are already held by this clamping effect at their positions and a further determination of the distance between the module segments 20 is not mandatory.
- the position of the module segments 20 on the guide elements 50 is therefore additionally, preferably determined by positive locking.
- This form-fit can be done for example by the plastic deformation of adjacent to the segment heads 30 sections 52 of the guide member 50 or by abutment of side surfaces of the segment heads 30 on side walls 6 of the second receptacles 4 in combination with a thread.
- the positive connection is generated by additional elements.
- additional elements such as crimps, may be mounted on a wire and plastically deformed to determine the position of the adjacent segment heads 30.
- lock nuts can be provided to the position of the module segments 20 on the guide element 50 set. Ideally, the module segment spacing A is therefore defined without additional elements.
- the adjustment of the module segment distances A on the guide elements 50 can be done both manually and in a presetting device.
- execution options which are freely selectable in the discretion of the skilled person.
- module segments 20 are arbitrarily displaced on the guide member 50 (eg wire) and by means of pliers and / or tool strokes the sections of the guide member 50 adjacent to the segment heads 30 are manually plastically deformed.
- guide member 50 eg wire
- the module segments 20 can be rotated in the setting state as desired along the threaded rod.
- a presetter for the embodiments according to Fig. 1 or 4
- This can be designed, for example, such that the needle modules 10 are inserted into a receptacle of the presetting device or into the receptacles 4 of the needle board 1, a conical tip of an adjustment tool engages between the segment heads 30 by a substantially vertical feed motion and the module segments 20 along the guide member 50 moves until the predetermined position or arrangement is reached.
- a presetting device may accordingly also have a plurality of conical tips on the setting tool for adjusting the positions of the module segments 20 of a plurality of needle modules 10.
- a threaded rod as a guide element 50 (embodiment of Fig. 2 and 5 ) be executed beispielhalft that the adjustment of the module segment positions preferably takes place outside the needle board in a presetting.
- the end caps 54 or correspondingly shaped end portions of the threaded rod can be clamped in a chuck of the presetting device, wherein the chuck is drivable and sets the threaded rod about its longitudinal axis in a rotational movement.
- the with the threaded rod connected module segments 20 rotate in rotation due to the frictional engagement between the internal threads of the segment heads 30 and the external thread of the threaded rod.
- the module segments 20 If they are prevented by a corresponding element (eg pin or stop) to the rotational movement, the module segments 20 thus move axially along the threaded rod until the desired position is reached.
- the module segment spacings A can be controlled or programmed in this manner according to the desired specifications.
- a screwdriver or tool By inserting a screwdriver or tool, the module segments 20 can be displaced collectively accordingly.
- suitable presetting devices or tools for setting the module segment distances A and fixing the module segments 20 on the guide elements 50 will be apparent to those skilled in the art based on the disclosure contained herein.
- individual needle modules 10 can in turn be arranged displaceably in the receptacles 4 of the needle board 1 and fastened by means of suitable fastening mechanisms at the desired locations, optionally with the inclusion of spacers.
- the adjustment of the distances between the individual module segments 20 of a needle module 10 usually takes place on the separated needle module 10 before it is inserted into the needle board 1. Basically, the adjustment of the distances between the individual module segments 20, depending on the embodiment, but also be done when the needle module 10 is already inserted into the needle board 1, or even if equipped with the needle module 10 needle board 1 is already attached to the needle bar. The latter is particularly according to the embodiment Fig. 4 conceivable.
- the fixation state of the needle module 10 is accordingly also achieved at different times.
- the fixation of the individual module segments 20 can already take place on the separated needle module 10 (see, eg Fig. 1 ), but can also be done only by inserting the needle module 10 in the second receptacle 4 of the needle board 1 (see, eg Fig. 5 ) or even by attachment of the needle board 1 on the needle bar (see eg comments on modifications of the embodiment according to Fig. 4 ).
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Abstract
Das Nadelmodul (10) für ein Nadelbrett (1) einer Nadelmaschine umfasst eine Mehrzahl von Modulsegmenten (20), wobei jedes Modulsegment (20) einen Segmentkopf (30) und mindestens eine Nadel (40) umfasst, wobei der Segmentkopf (30) mit der mindestens einen Nadel (40) ausgestattet ist. Weiterhin umfasst das Nadelmodul (10) ein in einer Längsrichtung (L) des Nadelmoduls (10) verlaufendes Führungselement (50), wobei in einem Einstellungszustand des Nadelmoduls (10) die Modulsegmente (20) mit dem Führungselement (50) verbunden sind und mindestens ein Modulsegment (20) entlang dem Führungselement (50) bewegbar ist.The needle module (10) for a needle board (1) of a needle machine comprises a plurality of module segments (20), wherein each module segment (20) comprises a segment head (30) and at least one needle (40), wherein the segment head (30) with the at least one needle (40) is equipped. Furthermore, the needle module (10) comprises a guide element (50) extending in a longitudinal direction (L) of the needle module (10), wherein in an adjustment state of the needle module (10) the module segments (20) are connected to the guide element (50) and at least one Module segment (20) along the guide element (50) is movable.
Description
Die Erfindung betrifft ein Nadelmodul für ein Nadelbrett einer Nadelmaschine, bei dem die Nadelabstände und die Nadelanordnung variabel sind.The invention relates to a needle module for a needle board of a needle machine, in which the needle spacings and the needle assembly are variable.
Nadelmaschinen sind allgemein bekannt und beispielsweise in
Üblicherweise wird bei Nadelmaschinen ein Vlies am Einlauf der Nadelmaschine zugeführt und zur Nadelzone gefördert. Im Bereich der Nadelzone ist ein Nadelbalken mit einem daran befestigten Nadelbrett angeordnet, welches mit Nadeln zum Verfestigen des Vlieses bestückt ist. In diesem Bereich wird das zu vernadelnde Vlies zwischen einer Niederhalterplatte und einer Stichplatte geführt. Die Nadeln verdichten das Vlies, indem sie in den Vliesstoff mit hoher Frequenz hineingestochen und wieder herausgezogen werden. Dabei treten sie durch Ausnehmungen in der Niederhalterplatte sowie der Stichplatte hindurch. Das entstehende Produkt ist ein verfestigtes Vlies. Dem Fachmann sind die unterschiedlichsten Formen von Nadelmaschinen bekannt, darunter auch Doppelnadelmaschinen, bei denen von oben und von unten mittels zweier Nadelbalken genadelt wird, oder Nadelmaschinen, bei denen die Nadelbalken während des Verfestigungsvorgangs in Bewegungsrichtung des Vlieses mitbewegt werden.Usually, in nonwoven machines, a fleece is supplied to the inlet of the needle machine and conveyed to the needle zone. In the area of the needle zone, a needle bar with a needle board attached thereto is arranged, which is equipped with needles for solidifying the nonwoven. In this area, the fleece to be needled is guided between a hold-down plate and a throat plate. The needles densify the web by being punched into the web at high frequency and pulled out again. They pass through recesses in the hold-down plate and the throat plate. The resulting product is a consolidated nonwoven. The person skilled in the various forms of needle machines are known, including double needle machines, which is needled from above and below by means of two needle bars, or needle machines in which the needle bars are moved during the solidification process in the direction of movement of the web.
Aus der
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, ein Nadelmodul für ein Nadelbrett einer Nadelmaschine bereitzustellen, bei dem die Abstände und die Anordnung der einzelnen Nadeln zueinander variabel sind.The present invention has for its object to provide a needle module for a needle board of a needle machine, in which the distances and the arrangement of the individual needles are variable to one another.
Diese Aufgabe wird durch die Merkmale des Anspruchs 1 gelöst.This object is solved by the features of
Erfindungsgemäß weist ein Nadelmodul für ein Nadelbrett einer Nadelmaschine eine Mehrzahl von Modulsegmenten auf, wobei jedes Modulsegment einen Segmentkopf und mindestens eine Nadel umfasst und der Segmentkopf mit der mindestens einen Nadel ausgestattet ist. Weiterhin umfasst das Nadelmodul ein in einer Längsrichtung des Nadelmoduls verlaufendes Führungselement, wobei in einem Einstellungszustand des Nadelmoduls die Modulsegmente mit dem Führungselement verbunden sind und mindestens ein Modulsegment entlang dem Führungselement bewegbar ist.According to the invention, a needle module for a needle board of a needle machine has a plurality of module segments, each module segment comprising a segment head and at least one needle and the segment head being equipped with the at least one needle. Furthermore, the needle module comprises a guide element extending in a longitudinal direction of the needle module, wherein in a setting state of the needle module, the module segments are connected to the guide element and at least one module segment is movable along the guide element.
Auf diese Weise ist es möglich, Modulsegmente mit einer, zwei oder mit mehreren Nadeln bereit zu stellen, die einzelnen Modulsegmente entlang dem Führungselement nahezu beliebig zu verschieben und die Abstände der Modulsegmente zueinander nahezu beliebig einzustellen. Dadurch lassen sich einzelne Nadelmodule unabhängig voneinander auf eine Vielzahl verschiedenster Gegebenheiten individuell anpassen und das Stichbild kann nach Bedarf verändert werden, ohne wesentliche Änderungen an den Nadelbrettern oder den Komponenten des Nadelmoduls vornehmen zu müssen. So kann das erfindungsgemäße Nadelmodul beispielsweise eingesetzt werden, um vorbestimmte Stichmuster zu erzeugen, Fehlstellen in einem bereits zuvor genadelten Vlies auszubessern oder grundsätzlich ein homogenes Stichbild zu erzeugen. Daraus ergeben sich vor allem wirtschaftliche Vorteile, da für die jeweils vorliegenden Gegebenheiten keine individuellen Nadelbretter oder Nadelmodule gefertigt werden müssen und der Einsatz der voreingestellten Nadelmodule schnell erfolgen kann.In this way, it is possible to provide module segments with one, two or more needles, to move the individual module segments along the guide element almost arbitrarily and to set the distances of the module segments to each other almost arbitrarily. As a result, individual needle modules can be adapted independently of one another to a large number of different circumstances and the stitch pattern can be changed as needed without having to make any significant changes to the needle boards or the components of the needle module. Thus, the needle module according to the invention can be used, for example, to produce predetermined stitch patterns, to repair defects in an already previously needled fleece or basically to produce a homogeneous stitch pattern. This results in particular economic advantages, since no individual needle boards or needle modules must be made for the particular circumstances and the use of the preset needle modules can be done quickly.
Vorzugsweise weist der Segmentkopf jedes Modulsegments eine erste Aufnahme auf, die einen Abschnitt des Führungselements aufnimmt. So können die einzelnen Modulsegmente platzsparend und beweglich mit dem Führungselement verbunden werden. Alternativ ist es denkbar, dass das Führungselement mit einer Aufnahme versehen ist, die entsprechende Abschnitte bzw. Gegenstücke an den Segmentköpfen der Modulsegmente aufnimmt.Preferably, the segment head of each module segment has a first receptacle which receives a portion of the guide element. So can the individual module segments space-saving and movable to be connected to the guide element. Alternatively, it is conceivable that the guide element is provided with a receptacle which receives corresponding sections or counterparts on the segment heads of the module segments.
Um die bewegliche Verbindung zwischen den Modulsegmenten und dem Führungselement besonders vorteilhaft umzusetzen, eine einfache Montage der Modulsegmente auf dem Führungselement und eine einfache Einstellung des Modulsegmentabstandes zu ermöglichen, ist die erste Aufnahme in einer ersten Ausführungsform als Bohrung durch den Segmentkopf ausgebildet und in einer zweiten Ausführungsform als Nut im Segmentkopf ausgebildet. Weitere geeignete Ausführungsformen der ersten Aufnahme zur Herstellung einer geeigneten Verbindung zwischen dem Führungselement und dem Segmentkopf sind dem Fachmann geläufig.In order to implement the movable connection between the module segments and the guide element particularly advantageous, to allow easy mounting of the module segments on the guide element and a simple adjustment of the module segment spacing, the first receptacle is formed in a first embodiment as a bore through the segment head and in a second embodiment formed as a groove in the segment head. Further suitable embodiments of the first receptacle for producing a suitable connection between the guide element and the segment head are familiar to the person skilled in the art.
Besonders bevorzugt ist es, wenn mindestens ein Modulsegment eine Mehrzahl von Nadeln umfasst. Dabei kann der Segmentkopf Sollbruchstellen zwischen jeweils zwei benachbarten Nadeln aufweisen. Dadurch sind einzelne Modulsegmente gewünschter Längen bzw. mit einer gewünschten Anzahl von Nadeln besonders leicht aus einem Modulsegmentstreifen zu gewinnen. Insbesondere führt ein einheitlicher Herstellungsprozess für Modulsegmentstreifen einer einheitlichen Länge zu wirtschaftlichen Vorteilen, v.a. hinsichtlich der Werkzeugkosten. Die Teilung des Modulsegmentstreifens in einzelne Modulsegmente erfolgt in diesem Fall nach der Herstellung der Modulsegmentstreifen, wie aus der Beschreibung der in den Figuren dargestellten beispielhaften Ausführungsformen deutlich wird.It is particularly preferred if at least one module segment comprises a plurality of needles. In this case, the segment head have predetermined breaking points between each two adjacent needles. As a result, individual module segments of desired lengths or with a desired number of needles can be obtained particularly easily from a module segment strip. In particular, a uniform manufacturing process for module segment strips of uniform length leads to economic advantages, viz. in terms of tooling costs. The division of the module segment strip into individual module segments takes place in this case after the production of the module segment strips, as becomes clear from the description of the exemplary embodiments shown in the figures.
In einer bevorzugten Ausführungsform weist das Führungselement einen im Wesentlichen kreisförmigen oder ovalen Querschnitt auf. Diese Querschnittsformen eignen sich besonders gut für die bewegliche Verbindung der Modulsegmente mit dem Führungselement, vor allem in Hinblick auf eine Verschiebung der Modulsegmente entlang dem Führungselement.In a preferred embodiment, the guide element has a substantially circular or oval cross-section. These cross-sectional shapes are particularly suitable for the movable connection of the module segments with the guide element, especially with regard to a displacement of the module segments along the guide element.
Vorzugsweise ist der Abstand der Mehrzahl von Modulsegmenten zueinander in einem Fixierungszustand des Nadelmoduls festgelegt. Es wird so gewährleistet, dass sich der Abstand der einzelnen Modulsegmente, der zuvor gemäß den vorliegenden Rahmenbedingungen eingestellt worden ist, während des Betriebs der Nadelmaschine, z.B. aufgrund von Vibrationen, nicht verändern kann.Preferably, the distance of the plurality of module segments from one another is fixed in a fixing state of the needle module. It is thus ensured that the distance between the individual module segments, the previously according to the present conditions has been set, during operation of the needle machine, for example due to vibration, can not change.
In einer Ausführungsform ist das Führungselement als ein Draht ausgebildet, wodurch das Führungselement sehr kostengünstig umgesetzt werden kann. Weitere Vorteile ergeben sich bei einem Draht, der z.B. aus Aluminium oder Kupfer gefertigt ist, aus dessen guter Verformbarkeit und der einfachen Verarbeitung.In one embodiment, the guide element is formed as a wire, whereby the guide element can be implemented very inexpensively. Further advantages are obtained with a wire, e.g. made of aluminum or copper, of its good ductility and ease of processing.
Dabei ist es besonders bevorzugt, wenn die Festlegung des Abstandes zwischen den Modulsegmenten durch Formschluss erfolgt. Der Formschluss kann z.B. durch Verformung von an die Segmentköpfe angrenzenden Abschnitten des Führungselements erfolgen. Insbesondere bei einem Aluminium- oder Kupferdraht ergibt sich hieraus eine besonders einfache Art der Festlegung des Abstandes der einzelnen Modulsegmente zueinander und es werden keine zusätzlichen Sicherungselemente benötigt. Hierdurch kann Gewicht und Bauraum eingespart werden. Zudem ist durch die plastische Verformung ein sicherer und zuverlässiger Betrieb der Nadelmaschine gewährleistet, da sich die Position der einzelnen Modulsegmente während des Betriebs nicht verändern kann.It is particularly preferred if the determination of the distance between the module segments is done by positive engagement. The positive connection may e.g. by deformation of adjacent to the segment heads sections of the guide element. In particular, in the case of an aluminum or copper wire, this results in a particularly simple way of determining the distance of the individual module segments from one another and no additional securing elements are required. As a result, weight and space can be saved. In addition, a secure and reliable operation of the needle machine is ensured by the plastic deformation, since the position of the individual module segments can not change during operation.
Ein Nadelbrett für eine Nadelmaschine weist vorzugsweise eine Mehrzahl von zweiten Aufnahmen auf, in die eine Mehrzahl der erfindungsgemäßen Nadelmodule eingesetzt ist. So wird ein Nadelbrett bereitgestellt, das mit den erfindungsgemäßen Nadelmodulen schnell und einfach ausgestattet und neu bestückt werden kann. Weiterhin kann das Stichmuster der Nadelmaschine dadurch variiert werden, ohne ein neues Nadelbrett verwenden zu müssen.A needle board for a needle machine preferably has a plurality of second receptacles into which a plurality of needle modules according to the invention is inserted. Thus, a needle board is provided, which can be equipped with the needle modules according to the invention quickly and easily and re-equipped. Furthermore, the stitch pattern of the needle machine can thereby be varied without having to use a new needle board.
In einer alternativen Ausführungsform des Nadelmoduls ist das Führungselement als Gewindestange mit einem Außengewinde ausgebildet. In diesem Fall ist die erste Aufnahme des Segmentkopfs mit einem Innengewinde ausgebildet, so dass das Außengewinde der Gewindestange und das Innengewinde des Segmentkopfs ineinander greifen können. Diese Ausführungsform eignet sich besonders gut zur reversiblen Einstellung des Abstandes der Modulsegmente zueinander, so dass das Führungselement mehrfach verwendbar ist und fehlerhafte Einstellungen der Abstände leicht zu beheben bzw. nachzustellen sind. Außerdem ist die Verwendung einer Gewindestange als Führungselement besonders gut geeignet für die Einstellung der Modulsegment- bzw. Nadelanordnung in einem automatisierten Voreinstellgerät.In an alternative embodiment of the needle module, the guide element is designed as a threaded rod with an external thread. In this case, the first receptacle of the segment head is formed with an internal thread, so that the external thread of the threaded rod and the internal thread of the segment head can interlock. This embodiment is particularly suitable for the reversible adjustment of the distance of the module segments to each other, so that the guide element is reusable and faulty settings of the distances are easy to fix or adjust. In addition, the use of a threaded rod as a guide element is particularly well suited for setting the module segment or needle assembly in an automated presetter.
Für den Fall, dass das Führungselement als Gewindestange ausgebildet ist, wird der Fixierungszustand der Nadelmodule, in dem der Abstand der Mehrzahl von Modulsegmenten zueinander festgelegt ist, vorzugsweise erst im Nadelbrett einer Nadelmaschine erzielt, wenn die Mehrzahl von Nadelmodulen in einer Mehrzahl von zweiten Aufnahmen des Nadelbretts eingesetzt sind. Die Festlegung des Abstandes zwischen den Modulsegmenten erfolgt dabei durch Formschluss aufgrund des Anliegens der Segmentköpfe an den Wandbereichen der Mehrzahl von zweiten Aufnahmen des Nadelbretts. Auch auf diese Weise ist ein Nadelbrett bereitgestellt, das schnell und einfach mit erfindungsgemäßen Nadelmodulen ausgestattet und neu bestückt werden kann. Zudem ist der Abstand zwischen den einzelnen Modulsegmenten auf der Gewindestange festgelegt, ohne hierfür zusätzliche Mittel zu benötigen oder das Führungselement irreversibel zu bearbeiten.In the event that the guide element is designed as a threaded rod, the fixing state of the needle modules, in which the distance of the plurality of module segments is fixed to each other, preferably achieved only in the needle board of a needle machine when the plurality of needle modules in a plurality of second receptacles of Needle boards are used. The determination of the distance between the module segments is effected by positive engagement due to the concern of the segment heads on the wall portions of the plurality of second receptacles of the needle board. In this way, a needle board is provided, which can be equipped quickly and easily with needle modules according to the invention and re-equipped. In addition, the distance between the individual module segments is fixed on the threaded rod, without requiring additional funds or irreversible editing of the guide element.
Die Erfindung wird nachfolgend unter Bezugnahme auf die in den Zeichnungen dargestellten Ausführungsformen näher erläutert.
- Fig. 1
- ist eine Perspektivansicht einer Ausführungsform des erfindungsgemäßen Nadelmoduls im Fixierungszustand, wobei das Führungselement als Draht ausgebildet ist;
- Fig. 2
- ist eine Vorderansicht einer weiteren Ausführungsform des erfindungsgemäßen Nadelmoduls im Einstellungszustand, wobei das Führungselement als Gewindestange ausgebildet ist;
- Fig. 3
- ist eine Perspektivansicht eines Modulsegmentstreifens mit Sollbruchstellen;
- Fig. 4
- ist eine Perspektivansicht eines Ausschnitts eines Nadelbretts für eine Nadelmaschine mit der Ausführungsform des erfindungsgemäßen Nadelmoduls; und
- Fig. 5
- ist eine Perspektivansicht eines Ausschnitts eines Nadelbretts einer Nadelmaschine mit der weiteren Ausführungsform des erfindungsgemäßen Nadelmoduls.
- Fig. 1
- is a perspective view of an embodiment of the needle module according to the invention in the fixed state, wherein the guide element is formed as a wire;
- Fig. 2
- is a front view of another embodiment of the needle module according to the invention in the setting state, wherein the guide element is designed as a threaded rod;
- Fig. 3
- is a perspective view of a modular segment strip with predetermined breaking points;
- Fig. 4
- is a perspective view of a section of a needle board for a needle machine with the embodiment of the needle module according to the invention; and
- Fig. 5
- is a perspective view of a section of a needle board of a needle machine with the further embodiment of the needle module according to the invention.
Wie in
Das Führungselement 50 kann beispielsweise, wie dargestellt, aus einem Draht oder aus einem anderen möglichst dünnen, stabförmigen Element bestehen. Ein Draht ist dabei günstig zu beschaffen und kann leicht auf die gewünschte Länge des Nadelmoduls 10 angepasst werden. Beispielsweise handelt es sich um einen Aluminium- oder Kupferdraht. In
Die Nadeln 40 werden üblicherweise und zur besonders einfachen Herstellung von Modulsegmenten 20 an den Segmentkopf 30 angegossen oder angespritzt. Der Segmentkopf 30 ist dabei aus Kunststoff, vorzugsweise aus einem harten Kunststoff, der mit Glasfaser verstärkt sein kann, gebildet. Alternativ ist es auch möglich, dass die Nadeln 40 beispielsweise in entsprechende Ausnehmungen in vorgefertigten Segmentköpfen 30 eingeführt oder eingepresst sind. Um eine Verschiebung der Nadeln 40 innerhalb der Ausnehmungen in Längsrichtung der Nadeln 40 vollständig auszuschließen, können die Nadeln 40 angestauchte oder angewinkelte Köpfe aufweisen. Die Schäfte der Nadeln 40 können auch angeraut sein. Weitere Verbindungs- oder Herstellungsmöglichkeiten für derartige Modulsegmente 20 erschließen sich dem Fachmann aus dieser Offenbarung.The
Bei der Herstellung der Modulsegmente 20 ist weiterhin darauf zu achten, dass zwischen dem den Nadelspitzen entgegengesetzten Nadelkopf und der obersten Kante des Segmentkopfs 30 ein ausreichender Abstand zur Bildung der ersten Aufnahme 32 vorgehalten wird. Dieser Abstand zwischen Nadelkopf und Oberkante des Segmentkopfs 30 beträgt vorzugsweise mindestens 1 mm bis 5 mm.During the production of the
In
Ist das Führungselement 50 als Gewindestange gestaltet, ist ein Innengewinde in der ersten Aufnahme 32 jedes Segmentkopfs 30 vorzusehen. Die erste Aufnahme 32 kann dabei als Bohrung ausgebildet sein, aber ebenso einen im Wesentlichen kreisrunden Querschnitt aufweisen, der nach oben hin konisch geöffnet ist. In diesem Fall ist zu berücksichtigen, dass der kreisrunde Querschnittsabschnitt der ersten Aufnahme 32 einen ausreichend großen Umfang der Gewindestange 50 abdeckt, so dass das Außengewinde der Gewindestange und das Innengewinde der ersten Aufnahme 32 sauber ineinander greifen können. Die nach oben gerichtete, konisch verlaufende Öffnung des Querschnitts in Form einer Nut behindert dabei weder das Zusammenspiel der Gewinde noch die Bewegung der Modulsegmente 20 entlang dem Führungselement 50. Weiterhin erfolgt im Fall der Verwendung einer Gewindestange als Führungselement 50 die Festlegung der Modulsegmentabstände A vorzugsweise mittels Formschluss zwischen den Segmentköpfen 30 und dem Nadelbrett 1, wie in Bezug auf
Die Sollbruchstellen 34 sind im dargestellten Beispielsfall als Nuten in vertikaler Richtung parallel zu den Nadellängsachsen in dem Segmentkopf 30 ausgebildet. Bevorzugt sind die Sollbruchstellen jeweils zwischen zwei benachbarten Nadeln 40 beidseitig im Segmentkopf 30 eingebracht. Durch Abbrechen können so Modulsegmente 20 verschiedener Länge bzw. mit einer beliebigen Anzahl von Nadeln 40 gewonnen werden. Die Bildung der Sollbruchstellen 34 durch beidseitige Nutung des Segmentkopfs 30 stellt sich als besonders geeignet dar, dem Fachmann sind jedoch weitere Möglichkeiten zum Formen geeigneter Sollbruchstellen bekannt. Übliche Mittel zur Bildung von Sollbruchstellen sind beispielsweise jegliche Formen der Verringerung der Materialstärke oder sonstige Schwächungen des Materials an den vorbestimmten Stellen, z.B. durch Perforation. Die Modulsegmentstreifen 22 können in jeder beliebigen Länge gefertigt werden, auch als annähernd endloser Streifen.The
Besondere Vorteile der Modulsegmentstreifen 22 ergeben sich in Anbetracht des Herstellungsprozesses der Modulsegmente 20. Der Herstellungsprozess der Modulsegmente 20 kann erheblich vereinheitlicht werden, wenn Modulsegmentstreifen 22 einer einheitlichen Länge hergestellt werden, wobei der Segmentkopf 30 des Modulsegmentstreifens 22 die beschriebenen Sollbruchstellen 34 aufweist. Auf diese Weise können die Modulsegmente 20 aus dem Modulsegmentstreifen 22 heraus getrennt werden, ohne gesonderte Herstellungsprozesse bzw. Werkzeuge für einzelne Größen von Modulsegmenten 20 vorhalten zu müssen. Dies erweist sich insbesondere unter Berücksichtigung der Werkzeugkosten etwa für Spritzgussformen (Matrizen) als vorteilhaft.Particular advantages of the module segment strips 22 result in view of the manufacturing process of the
Grundsätzlich können Modulsegmente 20 mit einer Nadel 40 oder Modulsegmente 20 mit mehreren Nadeln 40 auch auf viele andere Arten hergestellt werden.In principle,
In den
In
Zusätzlich oder alternativ könnten zwischen den Modulsegmenten 20 auch Abstandshalter oder Hülsen beliebiger Längen auf das Führungselement 50 aufgefädelt sein.Additionally or alternatively, between the
Selbstverständlich könnte auch in
In
In der Ausführungsform der
In der in
Grundsätzlich kann die Oberkante der Modulsegmente 20, also der Segmentköpfe 30, über eine Oberfläche des Nadelbretts 1 hinausragen, so dass es zu einer Klemmwirkung zwischen den Modulsegmenten 20 und dem Nadelbalken, an dem das Nadelbrett 1 angebracht ist, kommt (siehe
Die Einstellung der Modulsegmentabstände A auf den Führungselementen 50 kann sowohl manuell als auch in einem Voreinstellgerät erfolgen. Für beide Einstellungsarten gibt es wiederum verschiedene Ausführungsmöglichkeiten, die im Belieben des Fachmanns frei wählbar sind.The adjustment of the module segment distances A on the
So ist es bei der manuellen Einstellung der Modulsegmentabstände A der Ausführungsform aus
Bei der Verwendung einer Gewindestange als Führungselement 50 (
Ist die Verwendung eines Voreinstellgeräts für die Ausführungsformen gemäß
Für die Verwendung einer Gewindestange als Führungselement 50 (Ausführungsform aus
Wie bereits oben kurz erwähnt, können auch einzelne Nadelmodule 10 wiederum verschieblich in den Aufnahmen 4 des Nadelbretts 1 angeordnet sein und mittels geeigneter Befestigungsmechanismen an den gewünschten Stellen befestigt werden, gegebenenfalls unter Einbeziehung von Abstandshaltern.As already briefly mentioned above,
Es können auch mehrere Führungselemente 50 pro Nadelmodul 10 und somit auch entsprechend mehrere erste Aufnahmen 32 pro Segmentkopf 30 vorliegen.There may also be a plurality of
Die Einstellung der Abstände zwischen den einzelnen Modulsegmenten 20 eines Nadelmoduls 10 erfolgt nach allen Ausführungsformen üblicherweise am separierten Nadelmodul 10, bevor es ins Nadelbrett 1 eingesetzt wird. Grundsätzlich kann die Einstellung der Abstände zwischen den einzelnen Modulsegmenten 20 je nach Ausführungsform aber auch noch dann erfolgen, wenn das Nadelmodul 10 bereits in das Nadelbrett 1 eingeführt ist, oder sogar wenn das mit dem Nadelmodul 10 ausgestattete Nadelbrett 1 bereits am Nadelbalken befestigt ist. Letzteres ist insbesondere bei der Ausführungsform gemäß
Der Fixierungszustand des Nadelmoduls 10 ist dementsprechend auch zu unterschiedlichen Zeitpunkten erreicht. Die Fixierung der einzelnen Modulsegmente 20 kann bereits am separierten Nadelmodul 10 erfolgen (siehe z.B.
Claims (15)
einer Mehrzahl von Modulsegmenten (20), wobei jedes Modulsegment (20) einen Segmentkopf (30) und mindestens eine Nadel (40) umfasst, wobei der Segmentkopf (30) mit der mindestens einen Nadel (40) ausgestattet ist, und
einem in einer Längsrichtung (L) des Nadelmoduls (10) verlaufenden Führungselement (50), wobei in einem Einstellungszustand des Nadelmoduls (10) die Modulsegmente (20) mit dem Führungselement (50) verbunden sind und mindestens ein Modulsegment (20) entlang dem Führungselement (50) bewegbar ist.Needle module (10) for a needle board (1) of a needle machine with
a plurality of module segments (20), each module segment (20) comprising a segment head (30) and at least one needle (40), the segment head (30) being provided with the at least one needle (40), and
a guide element (50) extending in a longitudinal direction (L) of the needle module (10), wherein in an adjustment state of the needle module (10) the module segments (20) are connected to the guide element (50) and at least one module segment (20) is arranged along the guide element (50) is movable.
Priority Applications (3)
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EP15193258.9A EP3165659B1 (en) | 2015-11-05 | 2015-11-05 | Needle module for a needle board of a needling machine |
US15/342,691 US10100448B2 (en) | 2015-11-05 | 2016-11-03 | Needle module for a needle board of a needling machine |
CN201610973987.4A CN107012593B (en) | 2015-11-05 | 2016-11-04 | Needle module for a needle board of a needling machine and needle board for a needling machine |
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EP15193258.9A EP3165659B1 (en) | 2015-11-05 | 2015-11-05 | Needle module for a needle board of a needling machine |
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2015
- 2015-11-05 EP EP15193258.9A patent/EP3165659B1/en active Active
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2016
- 2016-11-03 US US15/342,691 patent/US10100448B2/en active Active
- 2016-11-04 CN CN201610973987.4A patent/CN107012593B/en active Active
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JPH11350327A (en) * | 1998-06-10 | 1999-12-21 | Bariomachikku Machine Kk | Multi-needle body, multi-needle head and needling machine |
EP2138616A1 (en) * | 2008-06-24 | 2009-12-30 | Oskar Dilo Maschinenfabrik KG | Needle board for a needle machine |
EP2918719A1 (en) * | 2014-03-13 | 2015-09-16 | Oskar Dilo Maschinenfabrik KG | Method for homogenising the puncture pattern in a needled nonwoven fabric |
Cited By (1)
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CN112030279A (en) * | 2020-09-14 | 2020-12-04 | 姚丙善 | Adjustable aluminum alloy fixing cover plate for carding machine |
Also Published As
Publication number | Publication date |
---|---|
CN107012593B (en) | 2020-01-10 |
US10100448B2 (en) | 2018-10-16 |
EP3165659B1 (en) | 2018-08-29 |
CN107012593A (en) | 2017-08-04 |
US20170130380A1 (en) | 2017-05-11 |
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