DE87818C

DE87818C -

Info

Publication number: DE87818C
Application number: DENDAT87818D
Authority: DE

Description

KAISERLICHESIMPERIAL

PATENTAMT.PATENT OFFICE.

biidens.biidens.

EinrichtungenFacilities

Der Zweck der vorliegenden Erfindung besteht in dem sicheren Erfassen und Verschieben nur derjenigen Zungennadeln, welche zum Mindern in Thätigkeit zu setzen sind, so dafs auch während der Maschenbildung ein Mindern der Waare ermöglicht wird.The purpose of the present invention is to capture and move safely only of those latch needles which are to be put into action for diminishing so that a reduction in the size of the goods is also made possible during the formation of the stitch.

Bei den bisher bekannten
(D. R. P. Nr. 38705, 21008 und Schweizer Patent Nr; 8037) müssen die zur Nadelverschiebung beim Mindern dienenden Maschinentheile nach dem Mindern über die Nadelfüfse gehoben werden, um aus dem Bewegungsbereich der Schlösser zu kommen.With the previously known
(DRP No. 38705, 21008 and Swiss Patent No. 8037) the machine parts used for needle displacement when reducing must be lifted over the needle feet after reducing in order to get out of the movement area of the locks.

Diese Maschinentheile, wie Schiene, Nadelschieber etc., bilden zwei gegenseitig unbeweglich gehaltene Leisten, zwischen deren inneren parallelen Kanten die Nadelfüfse gefafst und dann verschoben werden. Die in der Strickmaschine bekanntlich einzeln beweglichen Nadeln haben bezw. behalten nicht immer die genaue gleiche Höhenlage, und bei dem Ueberheben der Leisten kommt es vor, dafs diese aufsetzen oder, wenn eine Nadel durch unbemerkte Anhäufung von Fasern oder durch verbogene Stege in ihrer Bewegung gehemmt wird, an dem Nadelfufs aufsteigen und darüber hinweggleiten, ohne die Nadeln vollständig verschoben zu haben.These machine parts, such as the rail, needle slide, etc., form two mutually immobile parts held strips, between the inner parallel edges of which the needle feet are grasped and then be moved. The individually movable needles in the knitting machine, as is well known have resp. do not always maintain the exact same altitude, and when they overturn of the ridges it happens that these touch down or, if a needle passes unnoticed Accumulation of fibers or their movement is inhibited by bent webs, on which needle feet rise and above slide away without having completely shifted the needles.

Würde mit den vorhandenen Mindervorrichtungen während des Maschenbildens gemindert werden, so würde einerseits die Zeit zum sicheren Erfassen der Nadeln und zum erforderlichen Verschieben nicht ausreichen (s. Schweizer Patent Nr. 8037 ^un<^ ^- ^- ^- Nr. 38705), andererseits würde aber auch die Mindervorrichtung wegen ihrer Ausdehnung über die ganze Nadelbettbreite den Schlössern in den Weg kommen (s. D. R. P. Nr. 38705 und 21008). Es mufs deshalb bis jetzt die Schlittenbewegung bezw. Maschenbildung aufser Thätigkeit gesetzt werden und das Mindern in einer längeren . Zeit erfolgen, als diese sich während der Maschenbildung ergeben würde, um den Minderwerkzeugen den erforderlichen Raum und die Zeit zur Bewegung zu lassen.If the existing reduction devices were to be used to reduce the stitch formation, then on the one hand there would not be enough time to securely grasp the needles and to move them as required (see Swiss patent no. 8037 ^{and <} ^ ^ - ^ - ^ - no. 38705), on the other hand but the reduction device would also get in the way of the locks because of its extension over the entire width of the needle bed (see DRP No. 38705 and 21008). It must therefore bezw the slide movement until now. Mesh formation can be put on the job and the lessening in a longer one. Time take place when this would result during the formation of the stitch, in order to leave the minor tools the necessary space and time to move.

Diese Uebelstände sollen beseitigt werden durch einen Minderapparat, der aus der Nadelscheibe, α und einem scheerenartigen Theil c besteht (Fig. 1 bis 9). Die Nadelscheibe a wird gehalten von einem Arm/ (Fig. 1 und 2), der sich am Stabe g seitlich verschieben kann, und der ganze Apparat liegt so dicht unter der Fadenführerschiene m, dafs er sich beim Bewegen in Richtung der Nadeln nicht über die Nadelfüfse erheben kann und somit ein unbedingt sicheres Erfassen der Nadelfüfse beim schnellsten Arbeitsgang gewährleistet und ein Mindern beim Maschenbilden ermöglicht.These inconveniences are to be eliminated by a reducer consisting of the needle disk, α, and a scissor-like part c (Figs. 1 to 9). The needle disk a is held by an arm / (Fig. 1 and 2), which can move laterally on the rod g , and the whole apparatus is so close under the thread guide rail m that it does not move over the needle when moving in the direction of the needles Can raise needle feet and thus ensures an absolutely reliable gripping of the needle feet in the fastest work step and enables a reduction in stitch formation.

Die Nadelscheibe α hat oben eine so breite Kante, um gerade so viele Zungennadeln zu bewegen, als Decknadeln beim Mindern verwendet werden sollen (in den Fig. 3 bis 9 drei Nadeln).The needle disk α has such a wide edge at the top to move just as many latch needles as cover needles are to be used for reducing (three needles in FIGS. 3 to 9).

Durch diese Kante b werden die Nadeln nach oben geschoben, hingegen besorgt das Herabschieben derselben die nach unten vorspringende Kante des an der Nadelscheibe a scheerenartig befestigten Theiles c. The needles are pushed up through this edge b , whereas the pushing down of them takes care of the downwardly protruding edge of the part c attached to the needle disk a like scissors.

Der Theil c kann in die punktirte Lage Fig. 3 gebracht werden; diese Bewegung er-The part c can be brought into the dotted position in Fig. 3; this movement

Claims

follows through the two bolts H ₁ , which are screwed into the nut Z ₁ (Fig. ι and 2). The bolts i Z ₁ bring about an inevitable rotation of the scissor part when the needle disk α is displaced, because the bolt i in the specially designed slot C ₁ and the bolt Z ₁ on the outer edge of the lower scissor part determine the movement.

'At the rising of the needle disc umschliefst the upper edge α of Scheer Theiles from the side coming the Nadelfüfse the latch needles, even if the same are at different levels, so certain, that the safest entrainment of the latch needles is achieved by the apparatus.

For the reduction it is necessary that the needle to which the stitch is transferred open the tongue.

To this end, but this is no longer part of the invention, as FIG. 9 shows, a recess d is made on the upper edge of the needle disk α , which is so deep that the stitch of the needle lying in front of it is on the open tongue when the needle disk α goes up (Fig. 9 a) remains, so when this needle goes down again, the tongue is open and suitable for receiving the smaller stitch.

This recess can also, as FIG. 5 a shows, remain on the needle disk α and be replaced by a resilient needle k (tongue opener) which is attached to the decker.

As FIG. 6 indicates, the resilient needle k is beveled at the front and provided with a notch, so that when the resilient needle k goes down, the tongue of the needle is thrown back.

The process is now as follows:

When the plate α moves upwards, the straight edge b (Fig. 3) of the same abuts the relevant needle feet and pushes them in front of you until their stitches have passed behind the tongues.

If, during this ascent of the needle disk a, its straight edge b has come to the needle base and has brought it into the same position, then the other part of the apparatus, part of the scissors c (Fig. 4), also comes into action, in that it is moved by its special nature Slot guide C ₁ , in which the bolts ii ¹ engage from the screw nut, moved laterally in a circular manner inwards, so that the needle feet are thereby also enclosed from above to allow them to be withdrawn.

After the latch needles have been driven out completely and the stitches have passed behind the tongues, the apparatus goes back again, bringing the latch needles back down again, part of the scissors c, which lies above the needle feet.

With this pulling back of the Zurigen needles the cover needles with theirs now lower long hole on them, so that they follow, but not push, with the latch needles come into the tee position (Fig. 5 and 5 a). Here the needle tongues closed and the stitches slide over them onto the cover needles.

In this position (Fig. 5 and 5 a) the latch needles stop while the cover needles move further downwards, so that the cover needles open the tongues of the stitches Open the freed needles and the latch needles by lifting the cover needles from the Meshes are free to enable the lateral transfer of the meshes in a known manner.

Then the cover needles lower themselves back onto the latch needles and move afterwards at the top, in order to slip the stitches back onto the latch needles; also the needle slide pushes the latch needles back up, at a faster pace than that Needles around the "entire length of the ear for easy unhooking of the needles (Fig. 7) to win from the latch needles.

The deck machine goes back to its rest position, the needle slide also moves downwards again, the scissor part c flips back outwards again and releases the needle feet again except for the empty needle, which is gripped by the scissor part c (Fig. 8) and is pulled down out of the area of the lock. The empty needle is thus drawn down from the apparatus itself and not from the knitting machine lock or put to work.

Patenτ claim:

A device for Lamb'sehe knitting machines, which enables the latch needles to be securely grasped and guided when they are being thinned out during stitch formation, in that the same consists of a needle slide (α) that cannot be lifted off the needle bed, the upper edge (b) of which is connected to a scissors-like part (c) fastened this needle slide securely around the needle feet so that it could be displaced during reduction, while the scissor-like part, after reduction, suspends the empty needle independently of the lock.

1 sheet of drawings.