DE8101417U1 - "MESH SCRAPER FOR A KNITTING MACHINE" - Google Patents

Description

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The invention relates to a loop scraper for a knitting machine

From DE-PS Ϊ 956 190 is already a stitch hold-down device known for knitting machines with V-shaped needle beds of the type mentioned. Here is every pair the hold-down from a single metal strip with right- ^ angular cross-section formed.

In a modified form of a stitch stripping device according to DE-OS 2 649 387 of the applicant, a combination used by overlapping hold-down feet, to also to be suitable for mixed knits. The from the figu ** Ren apparent cross-sections of hold-down feet are clearly executed round, but without being described in more detail in the text to be.

Correspondingly with an improved stitching device DE-OS 2 707 637 is the hold-down foot width in right

Mesh cutters for a knitting machine |.

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, Eekigem QUefsöhnitt on certain parts diminished, Wää ίίί Cooperation with the necessary tax information Different personality types are advantageous,

SGhiiessliGh is known from ÜE-AS 2 707 636 a Mascheneirtstfei ^ chef, in which the different areas of activity are assigned different strengths. A cranked metal wire with a uniform diameter can be used for this, or a wire consisting of various offset diameters or a punched metal stiffener ₄

However, all previously known mesh scrapers have the Disadvantage that with different types of knitting the flexible Hold-down feet slightly lifted from the knitted fabric in the area of the moving needles and thereby out of their normal position be displaced. It has also been shown that the Previously used solid profiles with round or rectangular Cross-section of the hold-down feet the contact with the knitted fabric, especially in the case of irregularities in the stitch formation, always takes place at the highest point of the last row formed, which is an unsafe way of working Consequence.

The invention is based on the object of a suitable cross-sectional shape of the stitch scraper to create a

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- its effect on the knitted fabric »Independent of the yarn * 'thick., Stiioka ^ t or "favorable UilfegelmäSigkeite" in the " 1

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This object is achieved according to the invention by the features ^{cited in characterizing 1 of} the part of claim 1.

The profile part with a roof-like cross-section can be isosceles Be angled profile part or a semicircular profile part.

The profile part advantageously has openings extending in the longitudinal direction, the profile part in the B rich of these breakthroughs can be wider than in the other areas.

\ The Erfindu ^ .gsgegenstand is apparent in the following of exporting ^ 'approximately embodiments which are illustrated in the drawings, be explained.

Show it:

Fig. 1 is a partial view of a nasal scraper

for a flat knitting machine with two knitting systems,

Fig. 2 is a front view of a mesh scraper according to the invention,

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Fig ₄ 3 shows a reconciliation view on a larger scale along the line ϊϊϊ-ϊϊί in Fig ₄ 2,

Hg ₄ 4 a sectional view on a larger scale along the line IV-IV in Fig. 2,

Fig. 5 is a view A of Fig _t 2 ifi gfösserem Mässstab *

Fig. 6 shows a section through the needle beds in gfossefefii Scale with the actual Mäschenäbstfei- £ he,

7 shows a section through the needle beds similar to the illustration in Fig; 6, but for another export example *

The stitch stripping device 1 shown in Fig. 1? »Eist two mesh scrapers 2. Each stitch scraper 2 comprises a hold-down foot 3 that works when the carriage runs from right to left on the knitting machine and ■ a hold-down foot 4 ^ that works when the slide is in the opposite direction is running. Stops S and 6 are used to switch, the mesh scraper at the end of one Slide stroke *

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The fastening options of the mesh stripping device

1 on the slide and its switching devices are loaded ^

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therefore neither shown nor described. |

The hold-down feet 3 and 4 are provided with a holding part 7 bound, which in turn with the help of known and not shown Means is attached to a lever 8. f

The hold-down feet 3 and 4 (Fig. 2) form a roof-shaped profile%, which is shown in more detail in Fig. 3. The roof surfaces 9 form an angle α with respect to one another, which is smaller than the angle d_ formed by the intersecting needles (FIG. 6). The underside of the roof contains a cavity 10.

As can also be seen from Fig. 2, the hold-down feet 3 and 4 have openings 11, the longitudinal extension of which Id on both sides of the hold-down feet 3 and 4 extends.

The openings 11 can be germinated in FIGS. The profile is widened on both sides in the area of the opening 11 by the amount c and has the at this point Property to yield resiliently.

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The situation shown in Fig. 6 is immediately before the needles 12 and 13, which in the needle beds 14 and

15 are arranged individually movable in the usual way, moved by the rope locks of the carriage (not shown) will.

While knitting on both needle beds, the knitted fabric

16 held by the loops 19 and 20 located in the needle hook 17 and 18.

The roof-shaped hold-down foot 3, which the space between the inserted loop formers 21 and 22 of the needle beds and 15 fills, presses, assisted by the cavity 10, on both sides of the meshes formed last. Piles of meshes or other irregularities in the knitting can easily penetrate into the cavity 10 without the To change the position of the stitch scraper.

The exact lateral guidance of the respective hold-down foot is favored by the fact that the widening in the vicinity of the opening 11 (FIG. 5) is free of play and resilient on the loop formers 21 and 22 can be applied.

If, nevertheless, change the position of the Maseheneinstreifers so causes the roof-shaped profile a gentle slide

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when defeating the needle head 17 or 18 on the sloping roof surfaces, since their angle is less than the angle formed by the intersecting needles.

The modified profile shape shown in FIG. 7 also has the same advantages. The beginning of the semicircular Profile 23 lies in a plane below the movement of the needles and thus allows safe operation.

Using the figures, a mesh scraper has been described which has a hold-down foot in each of its end areas, is pivotably mounted on the sled of the knitting machine and automatically switched over at the end of a slide stroke will. Instead, it is also possible for each direction of movement to arrange a separate mesh scraper, which is then automatically activated at the end of a slide stroke is lowered or raised. Such separate mesh scrapers are also advantageous as a profile part according to the invention designed with a roof-like cross-section.

It goes without saying that the stitch wiper according to the invention allows knitting both on one and on two needle beds, whereby similar or different stitch rows can occur .

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Summary

The stitch scraper for a knitting machine, which is between the needle beds acted on the retained by the needles stitches comprises an elongated one provided with a holder Profile part with a roof-like cross-section, e.g. an isosceles WinJcel profile part. The hollow inside of the Profile part with a roof-like cross-section is turned away from the holder or facing the mesh.

The special cross-sectional shape of this stitch wiper has an improved effect on the knitted fabric, independently on the thread thickness, the type of knitting or other irregularities in the formation of stitches.

(Fig. 6)

Claims (5)

Protection claims 1. Stitch scraper for a knitting machine with arranged in at least two needle beds, through one Needles controlled over the needle beds moving carriages to act on the needles between the needle beds retained stitches by means of an alternative control of the mesh scraper through the carriage, which mesh scraper comprises an elongated part provided with a holder and having at least one hold-down foot, characterized in that the elongated part is a one-piece profile part with a roof-like cross section is, the hollow inside (10) of which is facing away from the holder (7). 2. Stitch scraper according to claim 1, characterized in that that the profile part with a roof-like cross section is an isosceles angle profile part. ItM Wed SS CSS - 2 - 3. Stitch scraper according to claim l, characterized in that that the profile part with a roof-like cross section is a semicircular profile part. 4. Stitch scraper according to one of claims 1 to 3, characterized in that the profile part has openings (11) which extend in the longitudinal direction. 5. Stitch scraper according to claim 4, characterized in that that the profile part is wider in the area of the openings (11) than in the other areas.