US2078715A - Oscillating mechanism for the oscillating wires or sieves of paper making and other machinery - Google Patents

Description

April 27, 1937. K. LURZ ET AL Z,O78;715 OSQILLATING MECHANISM FOR THE OSCILLATING WIRES OR SIEVES OF PAPER MAKING AND OTHER MACHINERY Filed Nov. 9, 1934 2 Sheets-Sheet 1 Apnl 27, 1937. K. LURZ ET AL OSCILLATIN ECHANISM FOR THE OSCILLATING WIRES HER MACHINERY OR SIEVES PAPER MAKING AND OT Filed Nov. 9, 1934 2 Sheets-Sheet 2 w v 4! x o $1 f-Mm Patented Apr. 27, 1 937 i UNETED STATES PATENT OFFICE OSCILLATING MECHANISM FOR THE OSCIL- LATIN G WIRES OR SIEVES OF PAPER MAKING AND OTHER MACHINERY Klemens Lurz and Karl Schiinemann, Heidenheim-on-the-Brenz, Germany Application November 9, 1934, Serial No. 752,300 In Germany November 13, 1933 3 Claims. (01. 74-61) Our invention relates to mechanism for reguaxially on the cylinder ll. I4 is a spindle rolating oscillatory movements of oscillating sieves tatably mounted in a bearing l5 fixed in the in paper making machinery. It has particular inner end of the cap I2 and being axially disreference to mechanism comprising a pair of placeable, but secured against rotation, in the.

5 wheels or discs forming gyrating masses rotathollow shaft 4. On the spindle I4 is formed a 5 ing in equal sense, these masses having as a rule thread It of high pitch meshing with a similar a common centre of gravity. threading in the extended portion 9 of the hub It is an object of our invention to provide of the loose wheel or disc 8. When the cap I2 means whereby the relative position of the two is turned by means of the hand wheel, the spindle 10 wheels or discs with respect to their centres of i4 is displaced axially and being coupled with 10 gravity can be readily regulated within any dethe loose disc 8 by means of the high pitch threadsired limits and more especially at higher numing l6, will then impart to this disc an angular bers of oscillation. displacement relative to the fast disc 5.

In the mechanism according to the present in- In the mechanism illustrated in Figs. 2 to 6 5 vention the relative angular position of the two the threaded spindle l4 forming part of the eccentric or gyrating masses rotating together mechanism shown in Fig. l is replaced by a spinabout the same axis, the wheels or discs carrying dle, which together with the nut mounted therethese masses are mounted on a hollow shaft and on can be manufactured in a particularly simple a spindle formed with a high pitch threading is manner and affords a particularly great mobility.

arranged for axial movement within this shaft As shown in the drawings, the spindle 45 is 20 for turning the loose wheel or disc relative to formed as a polygonal bar with helically wound the wheel or disc fixed on the shaft. sides and edges. While the spindle shown in In the drawings affixed to this specification Fig. 4 is quadrangular, we may as well use a and forming part thereof, two mechanisms emspindle 50 of triangular (Fig. 5) or of pentagonal g5 bodying our invention are illustrated diagramsection (5i in Fig. 6). 5 matically by way of example. On the spindle 45 is mounted a nut 46 of cor- In the drawings responding inner configuration, this nut being Fig. 1 is an axial section of the first of these caused to rotate on the spindle being shifted in mechanisms; axial direction and transmitting its rotatory Fig. 2 is an axial section of the second mechamovement by means of the sleeve 41 surrounding 30 nism, While it onto the loose disc or wheel 44, the hub of Fig. 3 is an axial section, partly in elevation, which surrounds the threaded spindle 45. The and nut 46 is fixed to the sleeve 41 by means of a Figs. 4, 5, and 6, respectively are cross sections nut 48. 4| is the fast wheel or disc, its hollow of the spindle and accessories serving to adjust hub or shaft 42 surrounding the spindle 45 and 35 the loose wheel or disc. having the pulley 43 mounted thereon. is

Referring to the drawings and first to Fig. 1, the casing enclosing the two wheels or discs. I are leaf springs supporting the casing 2 and 3 49 is a cap embracing the outer end of spindle are bearings mounted in this casing. 4 is the and serving to displace same axially.

40 hollow shaft and 5 is the fast wheel or disc fixed Obviously, instead of imparting axial move- 40 on this shaft and being equipped with an eccenment to the spindle 45 and thereby turning the trically located gyrating mass 1. 8 is the loose nut 46, we might also move the nut axially and wheel or disc mounted on shaft 4 and surrounded turn the spindle. by the flange of disc 5. II] is an eccentrically We wish it to be understood that we do not 45 located gyrating mass fixed to the loose disc 8. desire to be limited to the exact details of con- 45 B is the pulley mounted on shaft 4. 9 is the hub struction shown and described for obvious modiof the loose disc 8, this hub being extended to fications will occur to a person skilled in the art. embrace and support the hollow shaft 4. On the We 1 right hand side of easing 2 is fixed a cylindrical 1. Means for angularly adjusting, in oscillat- 5 extension II, which is surrounded by a cap l2 ing mechanism for the oscillating wires or sieves 50 extending into the cylinder II and being threaded of paper making or other machinery, one gyratso as to mesh with the inner thread I! formed ing mass relative to the other, comprising in comnear the outer end of the cylinder H. I3 is a bination a hollow shaft, a gyrating mass fixed to hand Wheel u e on the p and v g and another gyrating mass loose on said shaft, 9.

to turn it, whereby the cap l2 can be displaced spindle formed with high pitch threading ex 55 tending in said shaft, a nut on and meshing with said spindle, one of said meshing parts being coupled with said loose mass for rotation in common, and means for axially displacing the other meshing part.

2. Means for angularly adjusting, in oscillating mechanism for the oscillating wires or sieves of paper making or other machinery, one gyrating mass relative to the other, comprising in com bination a hollow shaft, a gyrating mass fixed to and another gyrating mass loose on said shaft, a spindle having the cross-section of a polygon with curved helically extending sides forming a high pitch threading extending in said shaft, a nut on and meshing with said spindle, one of said meshing parts being coupled with said loose mass for rotation in common, and means for axially displacing the other meshing part.

3. Means for angularly adjusting, in oscillating mechanism for the oscillating wires or sieves of paper making or other machinery, one gyrating mass relative to the other, comprising in combination a hollow shaft, a gyrating mass fixed to and another gyrating mass loose on said shaft, a spindle formed with high pitch threading extending in said shaft, a nut on and meshing with said spindle, said nut being coupled with said loose mass for rotation in common and means for axially displacing said spindle.

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