US628996A - Machinery for molding, pressing, and delivering tiles, &c. - Google Patents

Description

No. 628,996. Patented July I8, I899. R. STANLEY.

MACHINERY" FORMULDING, PBESSING, AND DELIVERING TILES, 8m.

(Application filed Jan. 11, 1899.) 7 (No Model.) 3 sheets-Sheet I.

WITNESSES l/WE/VTOR J r y A TTORNEYS.

No. 628,996. Patented July I8, I899.

I B. STANLEY.

MACHINERY FOB MOLDING, PRESSING, AND DELIVERING TILES, 8w.

(Application filed Jan. 11, 1899.)

3 Sheets$haet 2.

(No Model.)

WITNESSES .3 4%.

ATTORNEYS Patented Iuly I8, I899.

R. STANLEY. MACHINERY FOR MOLDING, PRESSING, AND DELIVERING TILES, 8w.

(Application filed Jan. 11, 1899.)

3 Sheets-Sheet 3.

(No Model.)

FIG. 3'.

FIG. 4

WITNESSES.

THE nonms PETERS co, Pno'roumo, WASHINGYON, u c.

lJNiTED STATES PATE T OFFICE.

.REGINALD STANLEY, or NUNEATON, ENGLAND.-

v MACHINERY FOR MOLDING, PRESSING, AND DELIVERING TILES, 8L0

SPECIFICATION forming part of Letters Patent No. 628,996, dated July 18,1899.

Application filed January 11, 1899. Serial No. 701,880. (lilo model.) i

To ctZZ whom it 772/607] concern;

Be it known that I, REGINALD STANLEY, a subject of Victoria, Queen of Great Britain and Ireland, residing at Man or Court, Nunea- .had been forced upward.

ton, in the county of 'Warwick, England, have invented certain new and useful Improvements in Machinery for Molding, Pressing, and Delivering Tiles, Quarries, Bricks, Artificial Fuel, and the Like, of which the'following is a specification.

This invention consists of improvements in machinery for molding, pressing, and delivering in an unburned state tiles, quarries, bricks, artificial fuel, and other articles made of clay, terra-cotta, loam, sawdust, fine coal, or other material or materials whether in a dry, semidry, powdered, granulated, moist, or plastic condition.

As my invention is specially intended for the manufacture of good quality bricks (both solid and perforated) from semidry clay-dust, I will describe it chiefly in this connection, the nature of the said improvements which constitute my present invention being as follows: p

The whole operation of molding and pressing the article is performed from one cam exerting a pressure upon the top plunger if the machine be, as I prefer it should be, of a vertical type. (In this description I-will refer to a vertical type, although, as will be readily understood, the leading features of the in vention could be applied with but slight modification to a horizontal form of machine.) The lower plunger performs no actual pressing; but I produce an equivalent effect by causing the die-box after the first pressing to be forcibly lowered simultaneously with the top plunger, the lower plunger resting meanwhile in its lowermost position. Thus the same relative motion of die-box and lower plunger is produced as if said plunger itself The same cam which performs the pressing operation or operations may be utilized to deliver the completed tile or the like by lifting up a frame temporarily connected to the lower plunger and also to return the die box to its normal position, when the latter may be locked to the framing by automatic spring-catches or otherwise.

Another feature of my invention consists in ducing-gear or by direct coupling from any suitable source of motive power. v

In order to enable my invention and manner of working same to be more clearly understood, the accompanying drawings will here inafter be referred to, the various parts beingindicated by letters of reference, the same letters in the several figures referring to the same or similar parts of the apparatus.

Figure 1, Sheet 1, is a front elevation of a machine constructed according to my present invention, the die-box being shown in section. Fig. 2, Sheet 2, is a sectional side elevation. Figs. 3 and 4, Sheet 3, are a sectional elevation and "a sectional plan, respectively, of the die-box, showing the arrangement for causing holes or perforations to be made in the compressed material. Fig. 5, Sheet 4, shows a detail. I

In Fig. 1, a and a are fastand loose pulleys for transmitting power through the shaft h to the main shaft g by means of the gearingwheels 0, d, e, and f. The shaft 1) may, however,be connected direct to the engine or metor without the intervention of said pulleys a and ct,a friction-brake in this case being intro duced. The shaft g is mounted upon two strong standards AA, placed a short distance apart,the cam 13 being situated between them. Above and below the cam (which is of external type) are the two rollers C and 0, respectively, the upper roller 0 controlling the the uplower plunger and the lower roller 0' per plunger.

The upper roller O is lnou ntedupon a strong crossbar connected to four vertical side rods D D D D, which are free to move in a vertical direction between. suitable guides and which are carried downwardly to some displate or bolt J, before mentioned.

.deep to serve as an oil-box.

tance below the die-box E. The lower ends of the rods D D D D are united by a plate, cross-head, or equivalent F, which I may term' the raising-plate, its function being to raise up the lower plunger or spindle G and its pl linger-head or die-block H for the purpose of delivering a molded article from the die-box.- Said lower plunger G passes through a hole in the raising-plate F and is automatically locked in engagement, therewith at the desired moment by a catch plate or bolt J, (see Fig. 5,) which springs (or is forced) across the hole, entering into or underneath the'spindle' G, as hereinafter described. When the boltJ iswithdrawn after the plunger-head H has been raised, the latter falls down again, coming to rest upon a bridge-piece K, which is securely and rigidly connected to the side frames or standards A A.

The lower roller 0 is carried within a hollowed-out block L, supported upon lugs M, Fig. 1, on the side rods D D D D or otherwise attached to said rods and guided by suitable vertical guides in the framing or standards. The cavity in the block L is conveniently shaped so as to form a bearing to receive the roller, being made sufficiently The upper plunger or die-block N is secured to the sliding block L and may carry a removable dieplate N" and also pressure-blocks O O for the purpose of pressing the die-box down, as hereinafter described.

The die-box E is normally supported by bolts P P, which can be withdrawn, so as to enable it to move downward within a certain limit. Said bolts are worked automatically by a pair of rods Q Q, Fig. l, wedge-shaped or inclined at their ends, which bear against the bolts in such a way that the latter are withdrawn by the lowering of said rods Q Q and spring back (orare forced) into place again when the rods are raised. The requisite vertical motion is given to the rods Q Q by a pair of internal cams R R, mounted upon the same cam-shaft upon each side of the pressing-cam B, acting upon two small rollers S S, one upon each of the rods Q Q. The said cams'R R, which may be of simple ovate form, also give motion to the feed-box T, Fig. 2, by means of two similar rollers U U,carried upon theforked extremities ofa bell-crank lever O,

pivoted to a bracket or other suitable support- O the other extremity being connected by a link V to the feed-box T. It maybe sufficient in some cases to employ a single roller U, working in one of the cams'R or R. The forward motion of the feed-boX (about to feed the die) is also utilized for withdrawing the catch This is effected by means of a lever W, linked-at one end to the box T by a link V and connected at the other end by a pin-and-slot or equivalent device with a rod J, acting upon the plateor bolt J. (See Fig. 5.)

In case from any cause, such as friction caused by particles of dust, the bottom dieblock II should not fall onto the bridge-piece K upon the release of the catch plate or bolt J, I may provide means for insuring this, consisting of a chain W, Fig. 2, actuated by the lever W and securedto a rod G, which is The working of the machine is as follows,

the relative positions of the various parts being as shown in Figs. 1 and 2 of the accompanying drawings: The die-box E is filled with the m aterial (to be compressed and molded) by the feed-box T, (which is assumed to be traveling back in the direction shown by the arrow, Fig. 2,) and the main shaft g, being rotated by the motive power through the gearwheels 0, (Z, c, andf, causes the cam B to revolve in the direction shown by the arrow. The cam Bin rotating bears on the lower roller 0, which depresses the sliding block L, causing the-die-block N and die-plate N to enter the die-box E. The material thus becomes compressed for the first time, after which the sliding block L and die-block N arelifted slightly (by means of the projection A on cam B engaging roller 0) and then descend lower than before,com pressing the material still more until the cam can press no farther. lVhile this second pressure is going on, the upper roller 0 is descending on the opposite surface of the cam B, thereby-lowering the raising-plate F,'which eventually travels below the end of the spindle or plunger G of the bottom die-block or plungerhead H or sufficiently low to enable the catch-plate J to pass across underneath the spindle or to look into the same. I may efiect this either by springs or, as shown in Fig. 1, by having a wedge-shaped projection X on the standard or frame A, against which the plate J comes into contact. During this period the feed-box T has traveled back and is being refilled in the usual manner, the rod J being in its forward position and the chain W slack. At the same time that the dieblockN is lifted slightly the wedge-shaped ends of bars Q, actuated by the two small rollers S S from the cams R R, withdraw the bolts P P, thus leaving the die-box E without support, which will, however, remain temporarily in position by the friction of the material against the sides of the die. The upper die-block again descends, when the pressure-blocks O 0, bearing upon the die-box E, move it downward during the remainder of the stroke, thus producing the equivalent of I side of the sliding block L and with it the raising-plate E, which during its upward path causes the catch-plate J to engage with the spindle-G and lift the die-block H with it. It is thus that the brick or pressed article is lifted from the die-box E, whence it is removed by the operator. In traveling upward other lugs or projections V on the side rods D D engage with the lower side of die-box E, and thereby lift it into its original position, where it is retained by the spring-bolts P and P. By the time the compressed. material has been lifted out of the die-box E, and removed by the operator the feed-box T has begun to travel toward the die-box E and after traveling a short distanceactuates the lever WV, thereby causing the bottom die-block H to return to its position, as before described. The die-box E is then ready to receive a new charge of material and the process is repeated;

The bracket F, screwed to the plate F, together with the hand-wheel G and screwed sleet e F provide means of adjusting the amount of material delivered into the dieboX E. If the hand-wheel G is screwed up,

the bottom die-block H is prevented from falling to its full extent by reason of the spindle Gr coming in contact with the top of the screwed sleeve F thus limiting the space in the die-box E, although as soon as the proccss of compression takes place the die-block I-I comes to its proper position on the bridge K, owing to the descending of the plate or crosshead F, to which the bracket F is fastened.

In Figs. 3 and 4 the die-block N and dieplate N contain holes or recesses Z, as shown in the drawings. Secured to the bridge-piece K is a removable block K carrying the rods H, by means of which the holes or perforations Z are made in the compressed material. The bottom die-block H has corresponding holes, through which the said rods 11 project, and in rising carries the perforated article to the top, which is then removed.

In some cases one downward pressure only of the upper die-block is sufficient, in which case the lifting-ridge A on the cam B is dispensed with and the pressure-blocks O 0 press down the die-box E at the end of the one pressure.

It may be noted that the motion of the walls of the die against the edges of the article while under its maximum pressure results in a smooth and even surface being given to the same.

Having now described my invention, what I claim as new, and desire to secure by Letters Patent, is-

1. In machinery for molding, pressing and delivering tiles, quarries, bricks, artificial fuel or the like, the cam B, the vertical side rods D D D D, the raising-plate F, the catch plate or bolt J and the delivery plunger or spindle G, all working in combination with the pressing-block N and the movable diebox E, for the purpose of producing both a a pressing plunger or block connected with one of said rollers, a delivery plunger or block in intermittent working connection with the other of said rollers, a movable die-box, a ridge or projection upon said cam for giving two distinct pressures in each revolution, together with means for lockingand unlocking the delivering-plunger into or out of engagement with its cam-actuated roller, also for releasing the die-box from engagement with the machine-framing and for raising it again af ter it has been lowered, also means for operating the feed-box at the desired intervals, substantially as described.

3. In machinery for molding, pressing and delivering tiles, quarries, bricks, artificial fuel or the like, the combination with a revoluble shaft of a pressing and delivering cam,

a pressing plunger or block acted upon directly by said cam, sliding connecting-rods united at their lower ends by a cross-head and also operated directly by said cam, a movable die-box, lugs upon said connectingrods for lifting the die-box into position, a delivering-plunger passing through said crosshead, together with a second cam or a pair of cams upon the said revoluble shaft, combined with a lever for working the feed-box, a bolt connected to said feed-box for locking the delivery-plunger to the cross-head before mentioned, side rods having lugs for supporting the pressing-block, and wedges for withdrawing the bolts supporting the die-box, the whole operated in the manner substantially as described.

4. In machinery for molding, pressing and delivering tiles, quarries, bricks, artificial fuel or the like, a die-box capable of a limited longitudinal movement combined with two plungers, one of said plungers, namely that which delivers the pressed article from the die-box being perforated, and the opposite or pressing plunger being recessed or perforated, and a block carried upon a rigid cross-piece and provided with a number of fixed stationary rods projecting through said deliveringplunger into the die-box, the material being pressed around said rods, and the pressed article being lifted up by said delivering-plunger by a sliding motion against the stationary rods and walls of die-box, substantially in the manner specified.

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

REGINALD STANLEY. WVitnesses:

A. M. STANLEY, ARTHUR H. STANLEY.

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