US1549980A - Spindle for textile machinery - Google Patents

Description

Aug. 18,Y 1925.

H. HONEGGER SPINDLE FOR TEXTILE MACHINERY Filed Nov. 22, 1924 will lll

Patented i8, i925..

HERMANN HOITEGGER, OF EVETZIKN, STITZERLAND.

SPEIIDLE :FOR TEXTILE MACHINERY.

Application iiled November 22, 1924.

T0 all 'LU/1.0m t may concer-a:

Be it known that l, HERMANN Henneman, a citizen of the Republic of Switzerland, residing at iVetZikon, Canton Zurich, Switzerland, have invented an improvement in Spindles for Textile Machinery, of which the following description, in connection with the accompanying drawings, is a specification, like characters on the drawings representing like parts.

rlhe present invention relates to improvements in spindles for textile machinery.

Spindles for spinning and twisting machines are known in which anti-friction bodies, such as balls, rollers and the like, are arranged in a driven cage and are revolved thereby about the axis of the spindie. As the anti-friction bodies rest against the stationary sleeve and against the blade of the spindle they are rotated in addition ot being revolved and cause thereby the rotation of the blade at a speed which is different to the speed at which the bearing caOe is rotated for instance by the whirl.

ith the hitherto known spindles of this type the blade has been supported by a thrust bearing which is disadvantageous in many ways. ln contradistinction thereto with the spindle according to the present invention the anti-friction bodies are rotatably and non-displaceably mounted in the driven cage and rest against the blade and against the sleeve, the blade having at least one conical portion held in position by said antifriction bodies without the use of a thrust bearing. Y

Several embodiments of the subject matter of the invention are illustrated on the accompanying drawing showing vertical spindles.

n the drawings- Fig. 1 shows in a vertical section a first constructional example,

Fig. 2 is a detail of Fig. 1 developed in a plane,

Fig. 3 is a vertical section through a second constructional example, Y

Fig.- l is a vertical section through a third constructional example,

5 is a vertical section through a fourth constructional example and Fig. 6 is a detail modification.

Referring now to the first constructional example illustrated in Figs. 1 and 2, 1 denotes the whirl driven by the usual cord lll,

Serial No. 751,561.

Jabove the whirl 1 a cap 9. is provided integral with the whirl and a bush-shaped cage 3 is screwed into the cap 2, so that whirl 1 and cage 3 are rigidly connected to each other. ln the cage 8 rows of balls 6 are arranged, two rows are provided in the upper part and two rows in the lower part of the cage. In the cage 3 the lower conical part of the blade 7 is loosely inserted and held in position by the balls 6. rEhe cage 3 is surrounded by the sleeve 8 which adjusts itself in the lateral direction when the spinn die is working; the bore of the sleeve 8 tapers down towards its lower end. A spring 9 secures the sleeve 8 within the stationary bush 10 against rotation without impairing the lateral adjustability of the sleeve 8. The bush 10 is screwed to the rail 11 of the textile machinery. rlhe upper edge 12 of the outer bush 10 projects loosely into an annular groove 13 provided in the lower end of the whirl 1. Balls 6 of such a diameter are chosen and the mounting of the balls is so arranged that the latter rest against the blade 7 as well as against the interior surface of the sleeve 8. The downward taper of these two parts causes the balls 6 to firmly rest against their race surfaces. 'lhe balls 6 are the sole means for mounting the blade 7, the latter is pressed by its own weight against the balls and is supported by the latter. rlhereby the balls 6 act as driving means interposed between the shaft 7 and the whirl 1 and transmit the rotary movement of the whirl 1, imparted to the latter by the cord 14, and of the cage 3 revolving with the whirl to the blade 7. The ratio between the speed of the whirl 1 and the speed of the blade 7 can be chosen at will by choosing the diameters of the balls and the ratio between the diameters of the inner and the outer surfaces on which the balls roll, i. e. the diameter of the blade and the bore of the sleeve. The balls act thus as the means for raising the speed of the blade 7 as compared with that of the driving member or whirl 1. rlhe degree of the taper of the bore in the sleeve 8 and of the blade 7 and the diameter of the antifriction bodies 6 is preferably so adjusted relatively to each other that in all the places where the movement of the sleeve 8 is transmitted to the blade 7 the same transmission ratio is present so that no slipping movement but solely a rolling movement of the balls 6 on the surfaces with which they cooperate occurs. lf the spindleis only slightly raised it is no longer driven and remains at a stand- "il whilst the whirl l together with the cage continues to rotate. 'llhc balls 6 rotate about axes which are approximately parallel. to the airis of the blade 7. its is shown in lfinj. 2, the apertures l5 of the cage 3 in which. the balls 6 are inserted are, for instance, so shaped that the extension of the apertures at right angles to the axis of blade is larger than the eX- tension in the direction of that axis. Thereby the friction of the balls in the cage during' their rotation is reduced as much as possible. rlhe balls bear against the cage in their poles, that is to say at points in which the circumferential velocity is a minimum or, theoretically, equals to zero.

lilith the constructional example illustrs-,ted in Fig. 7 denotes the blade, 3 is the ball bearing cage and G are the balls. ln this example the cage is prov'ded with eX terior thread 16 with which the worin wheel 17 cooperates. The balls 6 rest against the conical blade 7 and against 'the laterally movable sleeve S, which is secured against rotation by means of a spring 9 bearingl against the stationary bush l0, the latter being provided with an extension l0" cnclosing the worm wheel 17.

1With the third constructional example sliow'n in Fig'. l it is assumed that the worin wheel 17 rotates in a direction which is opposite to the direction in which the worm wheel 17 in Fig. 3 revolves, the respective directions of rotation being); indicated by arrows. In order to take up the axial thrust acting in the upward direction and occasioned by the worin wheel cooperating with the worm a ball thrust bearing,y 1 8 is provided, Also in this example the lateral moi/'ability of the sleeve 8 is ensured and the blade is supported by the balls 6 resting on the conical bore of the sleeve 8 and against the blade 7.

ln the embodiment of the invention shown in Fig 5 the bore of the sleeve S is cylindrical and the blade 7 is composed of a plurality of conical portions 7, each such portion serving as the interior race of a row of balls 6. The cage 3 is supported by a thrust bearing 19; the blade 7, however, is solely supported by the balls G.

instead of balls other anti-friction oc-dies may be utilized. ln Fig. 6 in which onlyY the top portion of the spindle is shown, the anti-friction bodies consist of conica-l rollers 6a fluted at their circumference and resting` against a correspondingly fluted conical part 7b of the blade and aaa-inst a fluted portion Sa of the sleeve 8. The remaining structure is similar to that illustrated in Fig. l.

The aforedescribed spindles present the advantage that the blade is loosely supported, it floats, so that any wear which may taire place does not impair the driving connect-ion.

l claim:

l.. fr spindle for textile machinery, con:- prisiing a blade, at least one conical part on said blade, a stationary sleeve, a sleeve shaped bea-ring' cage, means adapted to rotate said cage, and anti-friction bodies rotatably and non-displaceably held in said caire and contacting,l with said sleeve and saitL conical part and forming,- the means for rotating the blade, the latter being solely held in position by said anti-friction bodies.

fr spindle for textile machinery, con1- prising' a blade, at least one conical part on said blade, a stationary sleeve having,` a conical bore, a sleeve-shaped bearingr cage, means adapted to rotate said cage, and anti-friction bodies rotatably and non-displaceably held in apertures of said cage and contacting;` with said sleeve and said conical part and adapted t0 cause a rotation of the blade, the latter being loosely inserted in the cage and solely held in position by said anti-friction bodies.

3. A spindle for textile machinery, comprising a blade, at least one conical part on said blade, a stationary sleeve having a conical bore, a sleeve shaped bearing' caffe, a whirl rigidly connected to said cage and anti-friction bodies rotatably and non-displaceably held in said cage and contacting with said sleeve and with said conical blade part and adapted to cause a rotation of the latter, the blade being loosely insert-ed in the cage and solely held in position by said antifriction bodies.

4. A spindle for textile machinery, comprising a blade, at least one conical friction surface on said blade, a stationary sleeve having,` a conical inner friction surface, a sleeve shaped bearingcage, means adapted to rotate said cage, and anti-friction bodies rotatably and non-displaceably held in apertures 0f said cage and contacting' with said friction surface on sait. sleeve and with said friction surface on said blade and adapted to cause a rotation of the blade, the latter bc ing` solely held in position by said antifriction bodies.

5. A spindle for textile machinery, comprising a hollow stationary member, a sleeve in said member adapted to laterally adjust itself relatively to said member and having,` an inner friction surface, a sleeve shaped bearing cage within said sleeve, means adapted to impart rotation to said cage, a blade havingl at least one conical friction surface and being` loosely inserted in said cage, and balls rotatably and non-displaceably held in apertures of said cage and contactingl with said friction surface on said sleeve and with said friction surface on said blade and adapted to canse a rotation of the latter, the blade being solely held in position by said balls.

6. A spindle for textile machinery, comprising a hollow stationary member, a sleeve in said member adapted to laterally adjust itself relatively to said member and having an inner friction surface, a sleeve shaped bearingl cage within said sleeve, a blade hav ing at least one conical friction surface loosely inserted in said cage, a worm on said cage, a driven worm wheel cooperating withsaid worm for imparting` rotation to said cage, and balls rotatably and non-displaceably held in apertures of said cage and contacting with said friction surface on said sleeve and with said friction surface on said blade and adapted to cause a rotation of the latter, theJ blade being solely held in po- 20 sition by said balls.

7. A spindle for textile machinery, comprising a hollow stationary member, a sleeve in said member adapted to laterally adjust itself relatively to said member and having an inner friction surface, a sleeve shaped bearing cage within said sleeve, means adapted to impart rotation to said cage, a blade having a plurality of conical friction surfaces and being loosely inserted in said` cage, and rows of balls each rotatably and non-displaceably held in a row of apertures of said cage and contacting with a friction surface on said blade and with said friction surface on said sleeve and adapted to cause rotation 0f the blade, the latter being solely held in. position by said balls.

In testimony whereof, I have signed my name to this specification.

HERMANN HONEGGER.

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