US1527485A - Winding frame - Google Patents

Description

Feb. 1925 1,527,485

' A. MALASSINE ET AL WINDING FRAIE Filed -Sep'cl. 12, 1922 2 Sheets-Sheet 1 A. MALAssmE ET AL WINDING MAME Filed se t'. 12, 1922 2 Sheets-Sheet 2 Patented Feb. 24, 1925,

UNITED STATES PATENT OFFICE.

1N INDING FRAME.

Application filed September 12, 1922.

To all whom it may concern:

Be it known that we, ALBERT MALAsSINI i and AUGUs'rn JUsLIN, both citizens of the French Republic, residing at MontreuilsousBois, in the Department of the Seine, France, have invented new and useful Improvements in Winding Frames, of which the following is a specification.

This invention relates to yarn winding- .frames for winding conical bobbins or cheeses directly from hanks and particularly refers to winding frames of the type haviug independent spindles and in which the thread is delivered by thread guides which receive alternating rectilinear motion by means of a helical cam.

It has been suggested in machines for winding. yarnto pass the ends of the yarn through additional thread guides mounted on a reciprocating bar, before reaching the usual traverse guides, the bar being operated so that the tension of the yarn is increased at the small end of a conical cheese.

The present invention consists in a winding frame of the above type in which the rectilinear reciprocating motion for the takcompanying diagrammatic ing up of the thread is produced by a separate and gradually increasing and decreasing cam.

The object of this invention is to enable the thread to be wound from the hank directly on to a cone in this kind of winding frames.

With this object, this invention provides certain improvements in this kind of winding frames. These improvements are hereinafter described and illustrated in the acdrawings in which:

Figure 1 is a front elevation,

Figure 2 is a plan of the improved apparatus, and

Serial No. 587,768.

diate pinion 6 which is loose on a shaft 7, and can in its turn be brought into mesh with the driving pinion 8 for driving the helical cam 9 of the thread-guides.

This cam 9 which is of the groove type and has the shape of a right-hand helicoidal curve for 180 of its course, and of a left hand helicoidal curve for the remainder of its course, is mounted on a sleeve 10 on which the pinion S is also fixed, the whole being slidable on the main shaft 1, and its axial motion being limited by stops 11.

A second cam 12 is mounted on the sleeve I 10 in fixed relation to the helical cam 9, and this second cam 12 is characterized by the feature that its outside contour is constituted by an oblique section of a cylinder as shown in Fig. 1 and its operative face is at right angles to its axis as shown in Fig. 2.

The rotation of these two cams 9 and 12 which are mounted in mutually fixed positions on the sleeve 10 produces by the tangential engagement of an anti-friction roller 13 against the operative face of the cam 12,, and by the rolling of an anti-friction roller 14- in the groove of the cam 9, reciprocating motions of the parts controlled by these two cams, of which one motion, namely that of the cam 12, is an increasing and decreasing motion, whereas the motion of the helical cam 9 is regular and rectilinear.

The increasing and decreasing motion of the anti-friction roller 13 is transmitted by a rod 15 sliding in bearings 16 and a link 17 to. a lever 18 which rocks on a pivot pin 19, and transmits in turn its motion through a link 20 to a pivot-pin 21. fixed on a bar 22 sliding in bearings 23.

On this bar 22 there is mounted a part 24: carrying a thread-guide 25. This latter, together with the bar 22 receives from a mechanism hereinafter described, a recti linear reciprocating motion of greater or less extent according to the position occupied by the pivot-pin 19 relatively to the end pins of the rocking lever 18.

This rectilinear reciprocating motion which takes place between two fixed threadguides 26 26, imparts at each half-revolution of the cam 12, two difierent angles to the movable thread-guide 25, and sincethe distance apart and the positions of the thread-guides 26, 26 are fixed, the said rectilinear reciprocating motion causes two different lengths of stretch of the thread between the movable and the fixed threadguides at each said semi-revolution.

This difference which is larger or smaller according to the direction of the motion, corresponds by reason of the increasing and decreasing motion of the cam 12, to an in creasing and decreasing speed of the thread on a cone 2?, with the result that owing to this suitable taking-up and delivery of the thread, the speed of the thread beyond its point of arrival at the first fined guidethread .26 is always equal to the linear speed of the mean diameter of the bobbin.

The cam 9, through the medium of the anti-friction roller 14; (which is kept at. the bottom of the cam groove by a fixed slideway 28,), produces a motion which is transmitted by a rod 29, attached to the said anti-friction roller 14, to a thread-guide 30, which delivers the thread uniformly on to the cone 27. This latter is driven 'by a pinion 81 which is loose on the shaft 1, but which can be rendered fast on this same shaft at will by means of any suitable clutch (not shown). The motion of the pinion 31 is transmitted .to a pinion 32 fixed to a stub shaft 33 which drives the cone 27 through a Carda-n coupling 3-3: arranged atone of its ends.

Since the rel-ative positions of the cams :9 and 12 are such that the end points of their throws are situated on one and the same line, then in order to obtain a motion of a kind such that when the anti-trio tion roller 14 is midway of its travel, it will be necessary to arrange that their directions of-throw shall be 90 apart from each other, relatively to the axis of their common driving shaft 1.

From the foregoing it will be perceived that owing to a suitable take-up and delivery of the thread, which are always adjusted in relation to the position of the dis :trihuting thread-guide (which during its passage over the smaller or mean diameters of the cone, ita-kesaip the thread, and at the proper time distributes the same to the larger diameters of the cone), the speed of the thread is uniform, and consequently the rotation of the hank is likewise uniform, which is indispensable for effecting a proper winding upon a cone.

This result achieved by the improvements of this invention, thus allows of winding the most fragile threads of silk, wool, cot .ton, &c., directly from the hank on to a cone having a conicity of up to 20 this being necessary and sufficient for industries such as hosiery-making, lace-making, weav ing. &e., in which such threads are used.

It is to be understood that an improved winding-frame according to this invention may comprise any desired number of cones 27 on to which threads are to be wound directly from the hanks whose swifts may be mounted in any usual manner, each of these cones comprising its distributing thread-guide and its threadguide 25, mounted on their respective actuating rods 29 and 22.

Moreover, these improvements are not restricted to winding frames alone, but are applicable .to frames of the same kind, such as, amongst others, doubling or twisting frames, joining frames, &c.

It is also to be understood that the said improvements may be varied and modified, and any mechanical equivalents may be employed for producing like results, accord .ing to requirement, without thereby departing from the nature of this invention.

What we claim is:

l. A winding frame including independent spindles, thread guides, a helical cam, a cone, said thread guides being operated by the helical cam for winding upon the cone directly from the hank, characterized by the provision of a separate and gradually increasing and decreasing cam for producing the rectilinear reciprocating motion for the taking up of the thread.

2. A winding frame including independent spindles, thread guides, a helical cam, a cone, said thread guides being operated by the helical cam for winding upon the cone directly from the hank, characterized by the provision of a separate and gradually increasing .and decreasing cam for producing the rec. linear reciprocating motion for the taking up of the thread, the second mentioned cam being fixed in mutual positional relation to the first mentioned cam.

3. A winding frame as claimed in claim 2 characterized in that the positional relation of the two cams is fixed in such a manner that their motions combine to effect a uniform delivery of the thread.

4-. A winding frame as claimed in claim 1 characte-rizedin that gradually increasing and decreasing cam consists of the oblique section of a cylinder arranged with its operative face at right angles to its axis.

A winding frame as claimed in claim. 2 characterized by the provision of a sleeve constituting a mounting for both cams, and driving means coacting with said sleeve.

In testimony whereof we have signed our names to this specification in the presence of two subscribing witnesses.

ALBERT MALASSINE. AUGUSTE JUSLIN.

Witnesses LUOIEN CnEsPIN, CHARLES Denis.

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