US602929A - Press - Google Patents

Description

(N0 M0691. v 2 Sheets-Sheet 1. V. D. ANDERSON.

PRESS.

No 602,929. Patented Apr 26,1898.

UNITED STATES PATENT Orrrcn,

VALERIUS D. ANDERSON, OF CLEVELAND, OHIO.

PRESS.

srnorrron'rron forming part 01" Letters Patent No. 602,929, dated April 26, 1898.

Application filed August13,l896. Serial No. 602,634. (NomotlelJ To all whom it may concern.-

- Be it known that I, VALERIUS D. ANDER- SON, a citizen of the United States, residing at Cleveland, in the county of Ouyahoga and State of Ohio, have invented certain new and useful Improvements in Presses, of which the following is a specification.

My present invention pertains to presses for extracting oil, grease, moisture, juices, &c.; and it consists, primarily, in the combination of two endless flexible belts, one or both in the form of a chain or jointed metal band.

The invention further consists in means for feeding the press, maintaining the belts in proper working position and relation, and insuring the requisite pressure, and in other features, details, and combinations hereinafter set forth.

In the accompanying drawings, Figure 1 is a side elevation of the press in its preferred form; Fig. 2, a vertical cross-section through the pressing-belts and a part of the frame; Figs. 3 and l, detail views of the bridge-pieces which support the lowerbelt between the pressure-rolls, and Figs. 5 and 6 side elevations of modified forms of the press.

In the treatment of garbage, brewers and distillers grains, and other substances containing a large percentage of water, with or without oil or grease, much difficulty has been experienced in removing a fair or adequate percentage of such fluid or semifiuid matters.

I have ascertained by extended and costly investigation and experiment that in order to express any large percentage of the fluid or semifluid contents of a charge it is essential that it be subjected to a series of compressions, each heavier or stronger than that preceding, and it is important to permit the pressure to lessen between succeeding compression s. This relief from pressure permits the mass to open and allows the fluid to escape from its interior. The vital point, however, is that the pressure be exerted along a narrow line and thus concentrated on a coinparatively small surface at any given instant. With sufficiently heavy pressure and by following out this mode of pressing I am enabled to extract apercentage of moisture, oil, grease,

&c., far in excess of anything hitherto accomplished so far as I have been able to learn through many years of active work in this line.

In another application, Serial No. 599,538, filed in my name on the 17th day of July, 1896, I have set forth this plan of pressing by the aid of an endless chain belt acting in conjunction with the interior surface of a hollow drum or barrel. The present constructions embody this principle, but are better suited to certain classes of work or for use in certain situations and admit of more ready feeding and delivery of material.

Referring first to Fig. 1,-A indicates a strong frame, which may be of metal or, of wood, or of the two combined, and of such dimensions as the purposes of the press render expedient. J ournaled in suitable boxes or bearings a upon this frame are the shafts or axles b of two broad-faced wheels or drums B, about which is carried an endless belt O, composed of broad flat lags c, jointed one to another after the manner of a linkbelt or in any usual or convenient fashion. The joint-pins d, by which the lags c are connected, are extended outward beyond the sides of the lags to form axles or spindles for rollers D. (Shown in Figs. 1 and 2.)

E indicates a track or bearing rail or bar, of which there are two, one bolted to either side of frame A directly over the lines of travel of rollers D, for which rollers they form tracks or backings, thus serving to prevent the rollers, and consequently the lags c, from being lifted up above a predetermined plane while passing from the lower side of one wheel or drum B to that of the other.

F F indicate a second pair of wheels or drums, the axles e of which are journaled in frame A at a lower level than axles b of wheels B, and also at a greater distance apart or nearer the ends of the frame. These wheels or drums serve to support and carry a second chain belt G, which is advisably composed of a plurality of separate chains f, capable of yielding independently and serving also to permit the escape of moisture or liquid between them. Hitherto it has been customary to make such chains of links or lags the full width of the belt, and as a consequence it has been found difficult to effect or secure the prompt and complete escape of moisture or liquid from the mass lying between the pressing-surfaces. It is also found that by making the belt of separate chains lying closely together it will adapt itself to the irregularities of the material or the mass entering be-- tween the chains and will permit a better distribution and rearrangement of particles between the pressing-surfaces. Incidentally this construction permits the ready widening or narrowing of the pressing-surfaces.

The several chains f are composed of fiat lags or links, pin-jointed to one another, and one at least is provided with teeth or projections g to enter cavities in the wheels F to insure movement with the wheels. This is found quite important for the reason that in working upon substances containing grease or oil the belt is liable to slip, and thus to cause flattening of the wheels and unsatisfactory work, if indeed any work be possible.

H indicates a pressure-roller, of which three are represented in the drawings, each journaled in a sleeve h, pivotally supported in a bail or yoke at the lowerend of a tension-rod I, passing through a bracket J at the top of frame A and encircled by a powerful spring K, the compression of which is effected and determined by a nut L, acting upon an interposed disk M. The springs K tend to lift the rollers II and to cause them to bear with great force beneath the upper stretch of chain belt G, thus in turn causing the belt G to bear against the lower face of belt 0 or against any material between the opposing faces of the two belts. It is to enable it to withstand this pressure that belt 0 is furnished with rollers D and these arranged to traverse the backing rails or bars E, as above noted.

To limit and determine the approximation of the opposing surfaces of belts (J and G, the rods I are screw-threaded to a point somewhat below the brackets J, and nuts N are screwed thereon beneath the brackets or before the rods are passed through them. These nuts can be set up or down at will and form stops to limit the rise of the rods and consequently that of the rollers I-I. Hence however great the compression of the springs may be the approach of the belt-faces will be limited by the nuts N.

To prevent the rollers II from shifting laterally,the sleeves h are guided in slots or openings in a raised plate 0, bolted or otherwise made fast to the frame A.

It will be seen that if no provision be made to the contrary the belt G or its parts would sag between the rollers H. To preclude this, I provide saddles P of the form shown in Figs. 3 and 4. These comprise a body portion or bar-1', having concave under faces to conform closely to the contour of the rollers H, and end plates j, extending from one rolleraxle to the other and provided with seats 7a to fit said axles. By this construction the saddles are retained in place, as indicated in Fig. 3.

The rollers H are provided with cavities or recesses Z to receive the teeth or studs 9 of the chain-lags, so that the rolls are caused to rotate with the same surface speed as that of the proximate face of belt G, and the saddles P are formed with grooves in to permit the passage of said teeth.

Motion is imparted to the wheels and belts from a power-shaft Q through a pinion R and gear-wheels S and T, carried by the shafts or axles of wheels B and F,respectively,as shown in Fig. 1.

U indicates a feed -hopper supported by frame A and arranged with its delivery end or outlet at the bite of the two belts C and G, the lower belt extending outward beneath the hopper,as showmand thusinsuring the proper retention of the material.

At the sides of the belts C and G and overlapping the space or line between them are guard plates or bars V, which serve to keep the belts in proper position, and also to prevent escape of material at the sides of the belts. These guards are shown in Figs. 1 and 2. The material after passing between the belts, subject to the increasing pressure of successive rollers II, is discharged over the rear wheel F upon the ground or into any suitable receptacle.

In Fig. 5 I have shown a press embodying the same general principles of construction, but have represented the frame as of substantially semicircular form, with the pressure-rollers above and the springs below, the belt-rollers bearing upon a track or flange formed upon the frame.

Fig. 6 shows still another modification, in which a belt A of any suitable character, but preferably of woven or fibrous material, is carried about two wheels or drums B B, and a chain belt 0', provided with supportingrollers D, passes over a curved track or rail F and has its inner stretch or part pressed against the belt A and presses this against wheel B, through the action of presser-rolls G, provided with springs H and temperscrews I.

The construction illustrated in Fig. 1 is preferred and after that the construction shown in Fig. 5.

Having thus described my invention, I claim 1. In a press, the combination of a frame; wheels or drums mounted in said frame; an endless chain belt passing about said wheels or drums; supporting bars or rails within said belt to guide and support its working face; a second pair of wheels or drums; a sec ond endless chain passing about said wheels or drums, composed of separate parallel chains, and having its face opposed to that of the first belt; and means substantially such as shown and described for pressing and holding the second belt against or close to the first, throughout an extended area.

2. In a press, the combination of a frame A, wheels or drums B B mounted therein; a chain belt 0 passing about said wheels; rollers D carried by said chain belt; tracks or bars E for said rollers; wheels or drums F, F, mounted in the frame A; endless chain belt G passing about said wheels and consisting of a series of separate parallel chains; and means substantiallysnch as described and shown for pressing and holding belt G against or close to belt 0, throughout an extended area.

3. The herein-described press, comprising a frame A; wheels or drums B B; endless chain belt 0 provided with rollers D; trackrails E E for said rollers; wheels or drums F 1 endless chain belt G; pressure-rollers H serving to press belt G toward belt 0; saddles P located between the rollers H; drawrods I springs K; and means for determining the'compression of said springs.

4:. In combination with frame A having guide-plates 0; wheels 13 B mounted in said frame; endless chain belt 0 passing about said wheels; supporting-bars E for said belt; wheels F F also mounted in frame A; endless chain belt G passing about said wheels; pressure-rollers H beneath the upper section of belt G; collars or boxes it applied to the journals of rollers H and guided by plate 0; drawrods I carrying the sleeves h, and springs K applied to said rods.

5. In combination with frame A; endless chain belts G and G and their supporting or carrying wheels; guide-plates O; sleeves or collars h adapted to support a series of rollers guided by said plates; draw-rods I carrying said sleeves; and springs K applied to said rods.

6. In combination with chain belt 0 and its supports; chain belt G, consisting of a plurality of parallel chains, one provided with teeth g; carrying wheels F F for said chain; pressure-rollers H for chain G; and asaddle P interposed between proximate rollers Hto prevent sagging of belt F, the wheels F, rollers II and saddle 1? being all recessed to receive or permit the passage of teeth g; substantially as described and shown.

7. In a press, the combination of two endless belts arranged face to face through aportion of their length, one composed of separate parallel chains; carrying wheels or drums for said belts; and means substantially such as shown and described for pressing and hold in g the opposing faces of the two belts in close proximity.

In witness whereof I hereunto set my hand in the presence of two witnesses.

VALERIUS D. ANDERSON.

Witnesses:

WM. H. DE WI'rT, Donn O. DEUTSCHEL.

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