DE2053863A1 - Device for promoting wadding-like fiber material - Google Patents

Description

Device for conveying cotton wool-like fiber material

The invention relates to a device for conveying cotton wool-like fiber material, in particular for Feeding this material to a processing machine which device is preferably used on a needle loom Felt production, which is provided with reciprocating needles, is arranged.

In most of the known devices for conveying cotton wool-like fiber material, this material is by means of a conveyor belt fed to a processing point and the material processed there from the processing point pulled away by a pair of powered rollers. Such a device is for example in the United States patent No. 3,010,178. With others Machines such as those described in U.S. Patent No. 2,577,564 are powered rollers for Conveying the cotton wool-like fiber material to the processing point

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and intended for peeling off the processed material from the read place.

Since textile cotton wool-like fiber material consists of disjointed individual fibers, it is very difficult to to promote this material effectively. Conveyor belts can bring the cotton wool-like fiber material to the processing point, but are not able to do so Forcefully introduce material into the processing zone. So it is necessary to use the fiber material, before it enters the processing zone, compress it so that it is more easily brought into and out of that zone can be processed effectively.

Conveyor rollers compress the fiber material zv / ar and convey it with force into the processing zone, but it lies always between the point of contact of the conveyor rollers and the beginning of the processing zone, e.g. through the first row of needles of a needle machine for felt production is formed, a gap in front. This gap allows it is to take the fiber material back to its previous state and to loosen up before its processing begins. One method of compressing the fiber material is to use a guide channel (U.S. Patent No. 2 377 564), which leads to the processing zone. These However, the solution has the disadvantage that there is a S alt between the contact point of the conveyor rollers and the channel entrance is present, so that there is a possibility that the fiber material will reduce its original thickness assumes follows the circumference of the conveyor rollers and becomes confused.

In some cases the fiber material consists of proportionately short or slippery fibers so that the material

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has very little strength. Up to now, materials of this type had to be included in the Processing zone are introduced.

Also the use of take-off rollers to take off the processed fiber material from the processing zone turned out to be not very beneficial. Since doing the fiber material through the processing zone is drawn, the egg position of such take-off rollers is very critical when a mode of operation is chosen pulling off in time with the processing itself, e.g. by moving the needles of a needle machine back and forth for felt production. If a mode of operation is selected in which the take-off rollers are not are synchronized, but pull off the fiber material easily with a certain amount of slip, there is always the There is a risk that the rollers either not pull off the material quickly enough or too quickly, causing it tears.

The present invention aims to provide a device in which the disadvantages mentioned above Art are avoided, and an effective conveying of cotton wool-like fiber material in the compressed state up to immediately in front of a processing zone, without the need for a carrier fabric to use for conveying.

The inventive device of the type mentioned at the beginning is characterized in that a plurality of spaced apart and arranged along an upper axis upper conveyor elements and a plurality of spaced apart and arranged along a lower axis lower conveyor element, which is used to compress and

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Advancing the fiber material cooperate with the upper conveyor elements, are provided and that fixed, elongated upper guide elements, which through the spaces between the upper Feed through conveyor elements, and fixed, elongated lower guide elements, which through the intermediate spaces between the lower conveyor elements are provided, the upper and the lower guide elements between the aforementioned upper and the aforementioned lower axis through the The aforementioned interspaces lead and the fiber material coming from the conveyor elements in the compressed state keep.

The conveying elements, which are spaced apart from one another transversely to the conveying direction, grip the conveyed material Fiber material, compress it and push it further in the conveying direction, whereby the guide elements, which are between the individual conveying elements are arranged and, viewed in the conveying direction, extend beyond the conveying elements, hold the fiber material in the compressed state) and to the desired location, which in general will be the processing zone of a machine.

Preferably, within the scope of the invention, it is provided that the upper and lower conveyor elements are parts of an upper and a lower conveyor roller, each of these rollers having a plurality of circumferential grooves and the circumferential zones of the rollers located between the grooves form the conveyor elements so made that the Lftnge- aoheen of the rollers are parallel to each other and located between the grooves of both tJmfangszonen

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Rollers work together to compress and advance the fiber material. The guide elements lead in this case expediently through the grooves of the rollers between the two axes of the rollers.

In order to ensure that the fiber material is easily drawn into the area of the conveyor elements, it is possible to do this still advantageously provide that the distance between the upper and lower guide elements on the, Seen in the conveying direction, the side lying in front of the conveying elements, enlarged by an enlarged entry opening for the fiber material to form.

The course of the guide elements after the conveyor elements is advantageously chosen so that the upper and lower guide elements, seen in the conveying direction, run after the Förderlementen along an upper or a lower level and a guide channel for form the compressed fiber material.

In a preferred embodiment of the subject matter according to the invention, as stated above, the fiber material is brought into the feed zone of the conveyor rollers through the enlarged inlet opening formed by the guide elements, gripped and compressed by the conveyor rollers and then pushed on in the direction of the processing zone, whereby it is in a guide channel _r which is formed by the guide elements remains included. The guide elements extend to the processing zone and thus keep the fiber material in a compressed state until it has reached this processing zone. Here, the guide elements are always in contact with the fiber material from

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Point in time at which the fiber material enters the feed zone of the conveyor roller, up to the point in time at which the fiber material reaches the processing zone, so that the fiber material is attached to the outer surfaces of the Conveyor rollers is counteracted.

It is when using the device according to the invention it is also possible to cause the fiber material to shrink or compress in the processing zone, if this is the case is desired. While the fiber material was previously always stretched by "the take-off rollers, it is now together possible with the conveyor device according to the invention, by appropriate drive of the take-off rollers to achieve a desired degree of shrinkage or to work without take-off rollers.

Another advantage of the device according to the invention is that the inlet opening of the processing zone can be kept narrower, because the fiber material is fed to this zone in a more compressed manner, as was previously possible. This results in a better workflow in the processing zone, in particular with k needle machines for making felt. In such a machine, the stripping and bed plates can be placed much closer together so that there is much less fluttering of the fiber material between the plates and also less needle breakage.

The invention is described below with reference to in Embodiments illustrated in the drawing are further explained. Show it:

1 shows a first embodiment of a device according to the invention arranged on a needle loom in a view from above;

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2 shows this device in section along the line II-II in Fig. 1j

Fig. 3 this device in vertical section geniäss the Line III-III in Fig. 2 and

4 shows another embodiment of the subject matter of the invention in a representation similar to FIG. 2.

In Fig. 1 and 2, the inventive conveyor device is as a whole with the reference number 10 and a needle machine for producing felt, with which the device according to the invention is in connection, designated as a whole by the reference numeral 11.

The needle machine 11, which is provided for felt production, has an upper stripping plate 12 and a lower one Bed plate 14, which is a work station or processing zone 15 include. Its number of needles 16, which are mounted on iron needle carriers 18 moving back and forth lead through holes 20 which are aligned with one another and 22 in the battens 12 and 14 - a reciprocating Movement off.

The conveyor device 10 has an upper conveyor roller 24 and a lower conveyor roller 26, which are each arranged on an upper shaft 21 and a lower shaft 23. A gear 25, which is connected to a drive shaft 27, drives a gear 31 Bn _t which is seated on the shaft 23. The gear wheel 31 also drives a gear wheel 33 of the same design, which sits on the shaft 21, so that the orphans 24 and 26 are set in rotation in the same way and rotate in opposite directions, as indicated by the arrows 35. Every conveyor roller has a look! from each other

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distanced circumferential grooves 28 (see also. Fig. 3). The grooves 28 of the roller 24 are aligned with the grooves of the roller 26, so that the peripheral zones 29 between the Grooves of one roller are opposite to the corresponding circumferential zones 29 of the other roller. A number of upper ones and lower guide members or rods 30 and 32 are on one end in upper and lower support beams 34 and which are arranged outside the rollers, attached. The rods 30 and 32 pass through the grooves 28 in FIG the conveyor rollers 24 and 26 between the two conveyor rollers. The lead away from the conveyor rollers Rods 30 and 32 parallel to each other up to one of the first row of needles 16 closely adjacent point. Here, the rods 30 and 32 are at a distance from one another arranged that they form a guide channel 38 for the fiber material. From the conveyor rollers towards When viewed towards the carriers 34 and 36, the increases in size Distance of the rods 30 and 32 from each other to one To form expanded inlet opening for the fiber material, which is denoted by the reference numeral 40.

The loose textile fiber material denoted by B is fed to the conveyor rollers by means of a conveyor belt 42. Since the fiber material is very loose, the diverging lead Parts of the rods "30 and 32, which form the inlet opening 40, the fiber material in the feed zone 43 of the rollers 24 and 26. The peripheral zones 29 of the rollers grip the fiber material, compressing it and push it in the direction of the needles 16 along the channel 38. The fiber material remains from the point in time from which it entered the feed zone 43 the roller enters, by the time it reaches the needles 16, in contact with the rods 30 and 32 and reaches the needles in a compressed state.

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Eei the embodiment according to Fig. 4- upper and lower guide rods, which are designated by 30 'and 32', are provided, which are movably supported in the grooves 28 of the conveyor rollers 24 and 26. The rods 30 'and ^32f extend through the grooves 28 to the needles 16 and form a guide channel 38' for the fiber material.

The rods 3o 'and 32', which in the respective : illes 28 are loosely inserted, run over a, -, larger part of the circumference in these, with a middle : .Turn these rods with the ones voting in the direction of the arrows 4-4 Conveyor rollers are held back by the fact that lie ends of the rods are retained by the upper and lower plates 12 and 14- respectively. Apart from the assembly of rods 30 'and 32' are the same in terms of the guidance of the fiber material through the conveyor rollers and then up to the needles 16 in the same way as the rods 30 and 32 are effective in the embodiment described above.

Patent claims:

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Claims (1)

Patent to sayings ru device for conveying cotton wool-like fiber material, in particular for feeding this material to a processing machine, which device is preferred on a needle machine for making felt, which is provided with needles movable to and fro is characterized in that a plurality of spaced apart and along an upper axis arranged upper conveyor elements and a plurality of spaced apart and along a lower Axis arranged lower conveyor elements, polygons for compressing and advancing the fiber material cooperate with the upper conveyor elements, are provided and that fixed, elongated upper guide elements, which pass through the spaces between the upper conveyor elements and fixed, elongated lower guide elements, which through the spaces between the lower Feed through conveyor elements are provided, the upper and lower guide elements between the aforementioned upper and the aforementioned lower axis through the aforementioned spaces and keep the fiber material coming from the conveying elements in a compressed state. 11 - 109820 / U73 2. Device according to claim 1, characterized in that that the guide elements up to the front of the work station of the processing machine assigned to the conveyor device, which in the case of the needle loom through the needles is educated, rich. 3. Apparatus according to claim 2, characterized in that the upper and lower guide elements, seen in the conveying direction, after the conveying elements along an upper or extend a lower level and form a guide channel for the compressed fiber material. 4. Device according to one or more of the preceding Claims, characterized in that the upper and lower conveyor elements are parts of an upper and a are lower conveyor roller, each of these rollers having a plurality of circumferential grooves and between the Grooves located circumferential zones of the rollers form the conveyor elements. 5 _φ device according to claim 4, characterized in that the longitudinal axes of the rollers are parallel to each other and the circumferential zones of both rollers located between the grooves work together to compress and advance the fiber material. 5 ^ Device according to claim 4, characterized in that guide the guide elements through the grooves of the rollers between the two axes of the rollers. η _m device according to claim 4, characterized in that the guide elements are attached outside the rollers. - 12 -1C9820 / U73 8. The device according to claim G, characterized in that the guide elements in the grooves of the conveyor rollers relative to these are movably supported and that a stop or a fixation to prevent a co-rotation of the guide elements with the conveyor rollers is provided. 9. The device according to one or more of the preceding claims, characterized in that the Distance between the upper and the lower guide elements on the, seen in the conveying direction, in front of the Conveying elements lying S-. ite, enlarged to include an enlarged inlet opening for the fiber material to build. 10.Vorrichtung according to claim 9, characterized in that the inlet opening widens in a V-shape. Sch - 22 463 109820 / U73 ii Blank page