US975315A - Mixer and conveyer. - Google Patents

Description

G. E. BARNETTB.

MIXER AND GONVEYBB. APPLICATION FILED JAN. 12, 1910 975,315, Patented Nov. 8, 1910.

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MIXER AND GONVEYER.

APPLICATION FILED JAN. 12, 1910.

Patented Nov. 8, 1910.

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G. E. BARNETTE.

MIXER AND GONVEYER. APPLICATION FILED JAN. 12, 1910.

rammed Nov. 8, 1910.

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- INVENTOR- I I Z Allarneys WITNESSES To all whom it may UNITED s'rATEs;

' 'enom'n n. nmnrrn, or NEW cas'rnn, PENNSYLVANIA.

mxnn. AND coNvnYna.

Be it known that I, GEORGE E. BAn m'rn, a citizen of the United States, residing at New Castle, in thecounty of Lawrence and State of Pennsylvania, have invented certain new and useful Im rovements in Mixers and Conveyers; and I d lowing to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make "and use the same.

My invention relates to a mixer and conveyer especially designed for mixing ingradients for making glass and for feeding them to the melting-tank, although the same apparatus may be employed for mixing concrete and other substances.

- 'Among the objects I have in-mind are to feed the tank on a level with the tank floor, to mix the ingredients to better advantage, to convey them in their mixed state more expeditiously to the tank and to simplify the construction and arrangement of the different parts generally.

Another object is to provide for simultaneously crushing and feeding cullet to the conveyer which carries the ingredients to the tank. a

The invention consists of two hoppers or receptacles arranged at opposite 'sides of the conveyer and adapted to feed material to said conveyer at the same point, one of said hogpers being designed for holding batch an having a suitable feeding device to imsure the uninterrupted delivery thereof to the conveyer, and the other hopper being designed for holding cullet and provided with means for crushing the same and forcing it toward the outlet opening to the conve er. s v i The invention also consists in the features of construction and combinations of devices hereinafter described and specified in the claims. v c

In the accompanying drawings, illustrating the preferred embodiments of my invention: I

Figure 1 is a front elevation of the two ho pers, the shaft for driving the feeding an crushing devices-therein, and my preferred form of conveyor which is also driven by said shaft and which carries the ingredients to the melting-tank. Fig. 2 is a plan view also showing the melting-tank. Fig. 3

Specification 0t Letters Patent. Application Med January 12, 1910. Serial No. 587,761.

0 hereby declare the folis a vertical section on the line 00-02 of Fig. 2. Flg. 4 is a sectional view on the'line y-y of Fig. 2. Fig. 5 is a front elevation similar Patented Nov. 8, 1910.

to Fig. 1 exceptthat a modified form of conveyer is illustrated, and Fig. 6 is a sectional view on the line z--2 of Fig. 5.

When the two hoppers are arranged on the same level with themelting-tank, I use a conveyer comprising a fli ht of pans, as illustrated in Figs." 1 to 4, inc usive. \Vhen said ho pers'are arranged on a lower level or be vator or conveyor, shown in Figs.v5 and 6, is employed.

Referring first to Figs. 1 to 4:, inclusive, 1 designates the batch hopper in the bottom of which is placed a feed screw 2 which discharges the batch through an opening 3 to which is fitted a sliding door or closure .4 controlled by a hand lever 5. A downwardly inclined lip or plate 6 is arranged at the lower edge of the opening 3'and projects over'the conveyer 7 so as to deliver the batch to the center of the latter.

The cullet hopper 8 is equipped with a feed opening 3, closure 4, operating lever 5- and lip or plate 6, similar to those of the batchhopper. The bottom of said cullet hopper, however, is inclined upwardly away from its discharge opening andin this hopper there are mounted two reciprocating crnshers 9," operated by means of a crank shaft 10 and guided in suitable brackets 11. The lower faces or end of the crnshers are inclined to conform to the bottom of the hopper. Said crushers not only serve to break up irregular pieces of glass or cullet, but also force the contents of the hopper through the outlet opening when the closure is raised.

The feed screw 2 and'crank shaft 10 are driven by suitable means, such as the sprocket wheels and chains 12 and 13 and j 14 and 15, respectively, from the main shaft 16, journaled'in suitable stands 17. Power may be directed to the main shaft by the belt wheel .18 or in any other. manner. Clutches 19 and 20, respectively, are provided "for throwing the feed screw and crank shaft in or outof driving connection with the main shaft. By means of these clutches, the feed screw and crank shaft may be driven in unison, said feed screw may be driven and the crank shaft remain staow the tank floor, the endless bucket-ele- I 60 1 tomary to employ a fifth man to superintend .tionary or vice versai. The. clutches 19 and 20 are controlled by hand levers 21 and 22, respectively.

The conveyer 7 comprises a series of pans 23 secured at proper intervals ,to the s rocket chain 24 so that the edges of said p ates will overlap when they are on one of the straight stretches of said chainr The pans have upwardly turning flanges 25 attheir edges which are also adapted to overlap. The chain 24 is passed over a sprocket wheel 26 on the main shaft and over a'similar sprocket wheel 27 mounted adjacent to the melting-tank28. The upper stretch of the conveyer is supported by a required number of rollers 29, ournaled in stands 30, see Fig. 4:. It will be noted. that the pans are adapted to break joints in passing vate the ingredients from saidhoppers to one of the straig veyer. It will'also be observed that the araround the sprocket wheels but immediately return to position withtheir edges and flanges overlapping when they come back to t. stretches of the con-' rangement of the hoppers with respect to the conveyer is such that the batch and cullet are delivered from, said hoppers at the same point and on to the middle portion of the conveyer. The result is that the ingredients from the two hoppers are mingled or'blended on the conveyer and are delivered in that state to the melting-tank wherethey are more readily fused because of their amalgamation. The""delivery of the ingredients to the center of the con-.

veyernot only aids in mixing them but also prevents them from running over thes-ide flanges of-the pans.'

The apparatus illustrated in Figs. 5 and 6' is similar to that shown in the other figures and just described, except that a boot 31 is placed between the ho pers for the delivery of the materials therei rom, and an inclined bucket conveyer or elevator 32 is substituted.

5 Heretofore, ithas been customary to employ fourmen for feeding the dog house with 'wheelbarrows, two of. the men working together alternately so that the feeding may be carried on continuously. .It is also custhe melting ofthe glass in the tank. By

- advanta a crusher in the other hop using my invention, one man can do all the. necessary work connected with the feeding and superintendence of the tank so that it results inthe saving of the salaries 'oflthe four men whose services are dis ensed with.

Attention is directed to the nnel shape of the batch hop r which causes the batch togradually sett e down.-to the bottom of saidhopper as the feed screw ejects or forces out the lower stratum. This is an'important because it keeps the batch moving all the timejand prevents it from cementing or solidifying which it has a tendency to do by reason of the lime and sand which it contains.

The construction of the conveyer and the combinationtherewith of the two hoppers adapted to deliver on to it at the same point is claimed in another a plication filed by me on April 18, 1910, Serial No. 556,018.

I claim:

1. The combination, with a hopper having an inclined bottom and a discharge opening at the base of said incline, of a crusher arranged in said hopper, and means to reciprocate said crusher whereb the material is also fed by it through said discharge openmg.

2. The combination, with a hopper having an inclined bottom and a discharge opening at the base of said incline, of a crusher arranged in said hopper and having its bo't-' tom end inclined to correspond with the bottom of the hopper, and means to reci rocate said crusher whereby the material is 0 fed by it through said dlscharge opening.

3. The combination, with an endless conveyer, of a shaft carrying'one of the wheels over which the conveyer is passed, two hoppers arranged at opposite sidesof said conveyer, a feed screw in one of said hoppers, r, means for drivin said feed screw an crusher from said s aft, and means for delivering material from said hoppers to the conveye 4/ The combination, with an endless conveyer, of a shaft carrying one of the wheels overwhich the conveyer is passed, two hoppers arranged at opposite sides of sand conveyer, a feed screwyin one of said, hopers, a crusher in'the other hopper, means or driving said feed screw andcrusher from said shaft, clutches for separately disconnecting said driving means from theshaft, and means for delivering material from said hoppers to" the conveyer.

' In testimon whereof, in presence 0 two witnesses.

- GEORGE BARNETTEJ Witnesses; LEROY JORDAN,

GEoizonHor.

I aflii; niy signature,

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