US1597118A - Brick-handling device - Google Patents

Brick-handling device Download PDF

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US1597118A
US1597118A US733345A US73334524A US1597118A US 1597118 A US1597118 A US 1597118A US 733345 A US733345 A US 733345A US 73334524 A US73334524 A US 73334524A US 1597118 A US1597118 A US 1597118A
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mold
shaft
brick
arm
inverter
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David J Strickland
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B5/00—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping
    • B28B5/04—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping in moulds moved in succession past one or more shaping stations

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  • This invention relates generally to brick making machines and more particularly t an improved form of apparatus for handling the bricks after they have been molded.
  • the object of the invention is to provide a strong, durable and comparatively simple machine which will bump the molds at the ends as they emerge from the pressing machine and then invert the palleted mold l0'so as to deposit the molded bricks upon the pallet and convey them Vto the drier while the inverted mold is carried back sanded, reversed and placed in position to receive another charge of clay.
  • Fig. 1 is a side view of the pug mill and what' may be termed the forward portion of the brick handling machine operaively connected therewith;
  • F 2 is a similar view showing the remainder vor rear end of the side brick handling device;
  • F 3 is a plan view of the forward end of a brick handling machine; certain parts being' omit- O ted for clarity of illustration and
  • Fig. 4 is a similar view showing the remainder or rear end of said machine;
  • Fig. 5 is a detail' view partly in section showing the means for elevating the reversed and sanded mold and means for pushing such reversed and sanded mold beneath the die of the pug mill;
  • Fig. 6 is a detail' view partly in section showing the means for elevating the reversed and sanded mold and means for pushing such reversed and sanded mold beneath the die of the pug mill;
  • Fig. 6 is a detail' view partly in section showing the means for elevating the reversed and sanded mold and
  • FIG. 5 is a view similar to Fig, 5 showing the upper inverter, pallet lowering table, sander and lower inverter, these parts being adjaw cent those shown in Fig. 5;
  • Z is a sectional view of the rear part jot' the machine, showing the means for lowering the ⁇ emptied mold onto the mechanism by which it is fed back into the sander;
  • F 8 is a view similar to Fig. 5. showing the parts in a different position;
  • Fig. 9 is a detail sectional view showing the upper inverter and the pallet lowering table in different position than shown in Fig. 5;
  • Fig. 10 is a transverse sectional view taken to the rear of and looking ⁇ to'lvard the pallet lowering table;
  • FIG. 11 is a vertical sectional View of the upper inverter;
  • Fig'. 12 a top plan view of the inirter and
  • Fig. 13 is an lend elevation of the inverter;
  • Fig. is a diagrammatic 'view AAfter YVthe mold is-iilled;
  • Fig. 15 a detail view of the clutch mechanism used to rotate the inverter
  • Fig. 16 is a view similar to Fig. 15 showing how the clutch is automatically released every 180
  • Fig. 17 is a sectional view taken on the line 17-17 of Fig. 16
  • Fig. 18 is a side elevation of F ig. 16
  • F ig. 19 is a detail in 'elevation show-.
  • Fig. 2O is an elevation looking from the left of F 19;
  • Fig. 21 is a section on the line 21j-21 yof
  • Fig. 19 22 is a view similar to F ig. rshow ⁇ ing the parts Vin a different position;
  • Fig. 23 is a detail showing the mechanism lfor positioning the inverted ing table;
  • Fig. 24- is a detail sectional view ofthe type of shear pin used at various places on the machine;
  • Figs. 25 and 2G are detail views of fa brake mechanism used on the inverter shaftsy to keep them from spinning;
  • Fig. 27 is a side elevation of means for locking the inverters in their discharge positions;
  • Fig. 28 is aplan view of the parts shown in Fig.
  • Figs. 29 to 33 inclusive are detail views of the die and smoother plate and the manner of mounting the same.
  • 10 indicates a puc ⁇ mill or other type of brick making machine which is provided witha 'die 11 at its delivery end for the purpose of directing' the clay into the mold 12Vwhich is arranged beneath the die, said mold resting upon a series of rollers 1 3 journale'd in the main frame 14, the mold beingfprojected beneath the die 11 by means hereinafter explained.
  • each end of the mold is subjected to a bumping or'haminering by means of a hammer 17 mounted upon one end of a rock shaft 18 which carries an arm 18a which is engaged by the cam 19 mounted upon a shaft 20, the cam causing the arm to rock back and forth at definite int-ervals for the purpose of striking the end of the mold.
  • This shaft 2O which carries the cam upon the exterior thereof turns at stated intervals for the purpose of and in the man ⁇ ner hereinafter set forth.
  • the blow of the hammer is adjustable to 'a limited extent, this adjustment being accomplished by means of a threaded rod 18b having a hand wheeln18B at the Outer end and working upon ⁇ this threaded rod is an arm 18C through which is also passed a rod molds over the lowerl CII pression of the spring 18h fil cams 23 mounted upon a shaft 24 18d and between the arm 18C and the end of the rod 18*1 there is a coil spring 18h.
  • the outer end of the rod 18d passes through a lug 182 mounted on the shaft 18 and a knife blade washer 18I is held in contact with the lug 1Se by means of nuts 18g, this knife blade washer permitting the rocking movement of the arm which exerts the necessary pressure due to the position of the arm 1SC and the amountof compression under which the spring 1Sh is placed.
  • the inverter comprises a central portion 22 and similar upper and lower portions 22a bolted to the central portion 22, the upper and lower portions being arranged in reverse order as shown so that oppositely disposed and offset spaces are provided intowhich the filled and palleted mold is pushed and ejected.
  • the central portion 22 's keyed to the shaft 21 and working through the shaft 21 and through the central portion 22 is t-he ejector rod 22b lining ejector' lingers 22c at each end thereof, these lingers working between the guide shoes 22d, these shoes being spaced apart just sufficiently to permit the palleted meld to slide freely into and out of the recess.
  • the palleted mold is pushed from the table into the upper compartment of the inverter and in doing so, it comes in contact with the finger 22C and pushes the same inwardly, this movement of the finger 22C forcing the rod 22b through the shaft 21 and forcing or ejecting the inverted mold from the opposite and lower compartment of the inverter.
  • the pallet and inverted mold are pushed upon thetable 23 which is carried bv a pair of arms 23, said arms being in turn pivotally connected to pair of parallel bars 23b pivoted at 23C and beneath the table 23 there are mountedV rollers 23d which contact with which shaft is constantly rotated, and the cam 23e is so placed and is of such shape that the table 23 will be placed directly in line with the lower compartment of the ejector so that the pallet and mold can be pushed out upon this table 23.
  • Adjacent the ends of the table 23 are provided spaced projecting ⁇ portions 23f along which the mold 12 travels and is discharged onto the endless chains 25 traveling ⁇ around sprockets 25a mounted upon a shaft 26.
  • T he pallet with the bricks thereon is somewhat shorter than the mold and as the table 23 is lowered due to the movement of the cam 28e, the pallet with the bricks thereon is deposited upon the endless chains 27 from which they are directed to the conveyors 28 by means of which the pallets with the bricks thereon are carried laterally away from the machine as most clearlyv shown in Fig. 4.
  • These chains 27 pass around the sprockets 27a upon the shaft 26 and a sprocket 27 upon the shaft 24.
  • l In order to move the mold and pallet along as they are ejected from the inverter, l provide a pair of pusher arms 30 mounted upon stud shafts 31 said arms having each a linger portion 31a which is operated upon a cam arm 311 rigidly mounted upon the shaft 24:, and this cam arm 31h is so placed that at the proper point of revolution of the shaft it engages the linger 31a moving the pusher arm 30 in the direction indicated and pushing the mold along on the side guides at the same time that the pallet is directed to the table 23.
  • the chains 25 traveling in the direction of the arrow indicated in 7 move along in the mold guides composed of an angle iron and carriv the inverted and empty mold along while. t-he pallet with the bricks therelo on is guided off by the conveyor 2S7 as most clearly shown in Figs. 2 and 4;.
  • the chains 25 travel around the sprockets 25l at one end and sprockets 25b at the opposite end, the lower flights of the chains 25 passing below thelateral conveyor. Then the mold reaches the end of the mold guide as it passes around the sprockets 251, it is deposited between the molt receiving and lowering arms 33 and 83"* connected to blocks rigidly attached to a cross shaft 33", ythis cross shaft 33'b carrying arms 33e provided with rollers which engage cams 33d mounted upon a shaft 34 which also carries sprockets 34El and aro-und which travels the mold returning chain 35, these chains also traveling around sprockets 35n mounted upon a shaft l36 which 'also has 'another set of sprockets 36a around which travel the chains 37 the purpose of which will appear herein-after.
  • the mold is carried down the mold guide 'and delivered to the mold receiver and lowerer which, as before stated, is actuated and so timed that it 'receives the empty mold 'and deposits the same upon the 'chain ⁇ 35 traveling ⁇ in the direction indicated in Figs. 2 and 7 and from the chain 35 it is discharged to the chain 37 traveling in the same direction, and this chain 37 passes over the top of the sand box 38 in whicliare mounted the rotary beater arms 38a which stir up the ksand and throw it upwardly with such force as to thoroi'ighly sand the interior of the inverted mold.
  • the chains 37 pass around sprockets 372L mounted upon a vshaft 38'3 and these chains passing around the sprockets 37a are carried down through a suitable guide 37b under the vsand bo-X 38.
  • Moi'inte'd upon the shaft 38B there are also lsprockets 38A for driving the 'chains which feed the 'inverted and sanded mold into the mold reverser 40 which is mounted upon the shaft 2O and which has the oppositely disposed compartments 40b into which the-inverted mold is y introduced and from which it is ejected after it has been reversed and in connection with this'rmold reverser I employ an ejector rod 40'@ carrying the finger at the outer end, this rod y4,0c working through the shaft l2O and itis obvious that, as the mold is carried across the sander and fed into one of the compartments 40h, the mold which is in the opposite compartment 4Gb will be ejected therefrom and transferred te the
  • the mold lifter 43 carried 'at the end of a rocker arm 44 mounted upon a rock shaft 44a and having a rocker arm 44hA carrying a roll-er which iis engaged by the cam 44c mounted upon the shaft 41 andthe arm 44 also has an .extension 44d from which is suspended a weight 44e so 'that between the cam and the weight the mold lifter 43 will be moved vertically upwardly and maintained in proper relation through the medium of the parallel link rod 4,3a pivot ally connectedto the mold vlifter 43 and i'dly connected 'to the rock shaft 43h.
  • the mold is llifted upwardly into line withV a horizontally movable pusher 45 which pushes the same horizontally beneath the die of Vthe pug mill.
  • the mold pusher 45 travels between the guide rolls 45'"L and is actuated by a rocker arm 45h carried by a rock shaft 45 mounted upon the frame of the pug mill and having a crank arm 45d at its vouter end which is connected to a pi'tman 45e worked from the crank or rocker arm 45f operated from the pug mill.
  • the shaft 42 is constantly rotating and consequently the shaft 41.
  • the shaft 24 - is also constantlyprotating but the shaft 21 makes only a half revolution at a time and this I accomplish by arranging upon one end of the shaft 24 a sprocket 47 varound which travels a chain 48 which in turn operates a sprocket 49 mounted upon the end of the shaft 21.
  • the sprocket 47 is loose upon. the shaft 24.
  • the sprocket carries two lugs 53 spaced 180 apart as most clearly shown in Figs. l5 and 16 and when the shaft is rotating in 'the direction indicated the lateral linger 51b of the pawl 51 contacts with the lug 53 and carries the sprocket around until the end of the pawl 51 comes in contact with a roller 54 journaled upon a stud projecting laterally from the frame and when the pawl rides over the roller 5,4-, the laterally projecting iin-ger 51b is thrown out of disengagement and the arm with its pawl continues around until the next lug 53 is picked up and the operation is continued as previously described.
  • Thetappets 29hl are mounted upon a shaft 229i which shaft has a sprocket '29k at its outer end around which travels the sprocket chain 291 which receives its power from the sprocket 29m mounted upon the end of the shaft 34.v
  • a brake 'drum l55 upon which bears a brake band 56 fastened at 56ste the frame andV carrying a weight 561 at its opposite end.v this brake Jdrum and band serving to hold the inverter in its proper positionl when at rest.
  • the mold reverser 40 which is mounted en the shaft sois also intended to

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)

Description

Aug. 24 1926.
1,597,118 D. J. sTRlcKLAND BRICK HANDLING DEVICE Filed August 21, 1924 1v sneets-sheet 1 Aug. 241, 192s.; 1,597,118
` D. J. STRICKLAND BRICK HANDLING DEVI CE Filed August 2 1, 1924 17 Sheets-.Sheet 2 gq m N y ven/ar MUM/ Aww
Aug. 24 1926. 1,597,118 l D. J. STRICKLND BRICK HANDLING DEVICE Filed August 2l, 1924 17 sheetslsheet 3 Aug. 24 1926. I 1,597,118
D. J. STRICKLANQ BRICK HANDLING DEVICE Filed August 21, 1924 1v Sheetsheet 4 Aug. 24 1926. 1,597,118
y D. J. STRICKLAND Bmcx Hmmm@ DEVICE Filed August 21A, 1924 D. J. STRlCKLAND BRICK HANDLING DEVICE Aug. 24 l1926.
Filed August 21, 1924' 17 Sheets-Sheet 6 Aug. Z4 1926. 1,597,118
D. J. sTRlcKLAND BRI CK HANDLING DEVI CE Filed August 21, 1924 1'7 Sheets-Sheet 8 I f4 u 27 [nw/fiar @.QMJ
D. J. STRICKLAND BRICK HANDLING DEVICE Aug. 24 1926.
Filed Augut 2l. 1924 17 Sheets-Sheet 9 D. J. STRICKLAND BRICK HANDLLNG- DEVICE Filed August 21, 1924 17 Sheets-Sheet 10 I un Aug. 24 A, 1926.
D. J. STRICKLANQ BRICK HANDLl-G DEVICEl Filed August 21. 1924 lzsheeisheet 11 Inn/Izar Aug' 24 1926; l
. D,J. sTRlCKLAND BRICK HANDLING DEVICE v l Filed August 21.. 19.24 17 sheets-sheet 12 fly-s." l
Aug. 24 ,'1926.
D. J. STRICKLAND BRICK HANDMNG DEVICE .Filed August 21, 1924 17" Sheets-Sheet 15 v Aug. 24 1926.
D. J. sTRlcKLAND BRICK HAND'LING DEVICE Filed August 21. 1924 1'7 Sheets-Sheet 14 Aug. 24 1926.
.f 20 I. um
D. J. sTRxcKLAND BRICK HANDLING DEVICE Filed Auggst 21. 1924 ff-L? 17 Sheets-Sheet 15 [HM/fiar @OdM/f Aug. -24 1926.
- D. J. STRIQKLAND BRICK HANDLING DEVICE.
17 Sheets-Sheet 16 Filed August 21, 1924l Patented Aug. 24, 1926.
DAVID J'. S'IBICKLAND, OF CLEVELAND, OHIO. y
.l BRICK-HANDLING DEVICE.
Application'alea August 21, 1924. serial No. 733,345.
This invention relates generally to brick making machines and more particularly t an improved form of apparatus for handling the bricks after they have been molded.
The object of the invention is to provide a strong, durable and comparatively simple machine which will bump the molds at the ends as they emerge from the pressing machine and then invert the palleted mold l0'so as to deposit the molded bricks upon the pallet and convey them Vto the drier while the inverted mold is carried back sanded, reversed and placed in position to receive another charge of clay.
With this main object in view and cer'- tain minor objects which will appear hereinafter the invention consists in the novel features of construction and combination all of which will be fully described hereinafter and set forth in the appended claims.
in the drawings forming a part of the specification Fig. 1 is a side view of the pug mill and what' may be termed the forward portion of the brick handling machine operaively connected therewith; F 2 is a similar view showing the remainder vor rear end of the side brick handling device; F 3 is a plan view of the forward end of a brick handling machine; certain parts being' omit- O ted for clarity of illustration and Fig. 4 is a similar view showing the remainder or rear end of said machine; Fig. 5 is a detail' view partly in section showing the means for elevating the reversed and sanded mold and means for pushing such reversed and sanded mold beneath the die of the pug mill; Fig. 6
is a view similar to Fig, 5 showing the upper inverter, pallet lowering table, sander and lower inverter, these parts being adjaw cent those shown in Fig. 5; Z is a sectional view of the rear part jot' the machine, showing the means for lowering the `emptied mold onto the mechanism by which it is fed back into the sander; F 8 is a view similar to Fig. 5. showing the parts in a different position; Fig. 9 is a detail sectional view showing the upper inverter and the pallet lowering table in different position than shown in Fig. 5; Fig. 10 is a transverse sectional view taken to the rear of and looking` to'lvard the pallet lowering table; F ig. 11 is a vertical sectional View of the upper inverter; Fig'. 12 a top plan view of the inirter and Fig. 13 is an lend elevation of the inverter; Fig. is a diagrammatic 'view AAfter YVthe mold is-iilled;
showing driving arrangement; Fig. 15 a detail view of the clutch mechanism used to rotate the inverter; Fig. 16 is a view similar to Fig. 15 showing how the clutch is automatically released every 180; Fig. 17 is a sectional view taken on the line 17-17 of Fig. 16; Fig. 18 is a side elevation of F ig. 16; F ig. 19 is a detail in 'elevation show-.
ing the bumper mechanism; Fig. 2O is an elevation looking from the left of F 19; Fig. 21 is a section on the line 21j-21 yof Fig. 19 22 is a view similar to F ig. rshow` ing the parts Vin a different position; Fig. 23 is a detail showing the mechanism lfor positioning the inverted ing table; Fig. 24- is a detail sectional view ofthe type of shear pin used at various places on the machine; Figs. 25 and 2G are detail views of fa brake mechanism used on the inverter shaftsy to keep them from spinning; Fig. 27 is a side elevation of means for locking the inverters in their discharge positions; Fig. 28 is aplan view of the parts shown in Fig. 27; and Figs. 29 to 33 inclusive `are detail views of the die and smoother plate and the manner of mounting the same. Referring to the drawings, 10 indicates a puc` mill or other type of brick making machine which is provided witha 'die 11 at its delivery end for the purpose of directing' the clay into the mold 12Vwhich is arranged beneath the die, said mold resting upon a series of rollers 1 3 journale'd in the main frame 14, the mold beingfprojected beneath the die 11 by means hereinafter explained. itis pushed along by the neXt succeedingT mold and while resting between the guides 16 each end of the mold is subjected to a bumping or'haminering by means of a hammer 17 mounted upon one end of a rock shaft 18 which carries an arm 18a which is engaged by the cam 19 mounted upon a shaft 20, the cam causing the arm to rock back and forth at definite int-ervals for the purpose of striking the end of the mold. This shaft 2O which carries the cam upon the exterior thereof turns at stated intervals for the purpose of and in the man` ner hereinafter set forth. y v
The blow of the hammer is adjustable to 'a limited extent, this adjustment being accomplished by means of a threaded rod 18b having a hand wheeln18B at the Outer end and working upon` this threaded rod is an arm 18C through which is also passed a rod molds over the lowerl CII pression of the spring 18h fil cams 23 mounted upon a shaft 24 18d and between the arm 18C and the end of the rod 18*1 there is a coil spring 18h. The outer end of the rod 18d passes through a lug 182 mounted on the shaft 18 and a knife blade washer 18I is held in contact with the lug 1Se by means of nuts 18g, this knife blade washer permitting the rocking movement of the arm which exerts the necessary pressure due to the position of the arm 1SC and the amountof compression under which the spring 1Sh is placed.
rEhe arm 1S is held in an upright position by a rod 18m which passes through a boss 18 on one side of the arm 1S". Ey rotating the rod 18" by the hand wheel 18B the arm 18C is moved back or forth on the rods18b and 18m thus increasing or decreasing the com- Y which will change the blow of the hammer 17.
After the mold has been bumped or knocked, a pallet of metal or wood is placed upon the bricks contained within the mold. rllhe bumped and palleted mold is pushed along the table and into an inverter which turns through one-half of a revolution at each`hal't rotation of the shaft 21 upon which the inverter is mounted and as the inverter makes one-half revolution, it is obvious that the filled and palleted mold will be inverted, that is the pallet being on the bottom and the mold upon the top, this inversion being due todischarging the bricks from the mold.
The inverter comprises a central portion 22 and similar upper and lower portions 22a bolted to the central portion 22, the upper and lower portions being arranged in reverse order as shown so that oppositely disposed and offset spaces are provided intowhich the filled and palleted mold is pushed and ejected. The central portion 22 's keyed to the shaft 21 and working through the shaft 21 and through the central portion 22 is t-he ejector rod 22b lining ejector' lingers 22c at each end thereof, these lingers working between the guide shoes 22d, these shoes being spaced apart just sufficiently to permit the palleted meld to slide freely into and out of the recess. The palleted mold is pushed from the table into the upper compartment of the inverter and in doing so, it comes in contact with the finger 22C and pushes the same inwardly, this movement of the finger 22C forcing the rod 22b through the shaft 21 and forcing or ejecting the inverted mold from the opposite and lower compartment of the inverter.
The pallet and inverted mold are pushed upon thetable 23 which is carried bv a pair of arms 23, said arms being in turn pivotally connected to pair of parallel bars 23b pivoted at 23C and beneath the table 23 there are mountedV rollers 23d which contact with which shaft is constantly rotated, and the cam 23e is so placed and is of such shape that the table 23 will be placed directly in line with the lower compartment of the ejector so that the pallet and mold can be pushed out upon this table 23. Adjacent the ends of the table 23 are provided spaced projecting` portions 23f along which the mold 12 travels and is discharged onto the endless chains 25 traveling` around sprockets 25a mounted upon a shaft 26. T he pallet with the bricks thereon, however, is somewhat shorter than the mold and as the table 23 is lowered due to the movement of the cam 28e, the pallet with the bricks thereon is deposited upon the endless chains 27 from which they are directed to the conveyors 28 by means of which the pallets with the bricks thereon are carried laterally away from the machine as most clearlyv shown in Fig. 4. These chains 27 pass around the sprockets 27a upon the shaft 26 and a sprocket 27 upon the shaft 24.
lllhile the mold is held upon the table 23 the bottom of the mold is tapped by means of hammers 29 arranged upon the ends ef the arms 29, said arms being connected to a shaft 29b and having a linger 29C which is actuated by a tappet cam 29d to trip the hammer arm and cause the hammers to strike upon the bottom of the moldV in order to more completely dislodge the bricks therefrom. ln order to prevent the hammers striking too sharp a blow, l provide a bar 29e entending across the frame and supported upon springs 29f surrounding the rods 29g. This spring bar tempers the blow and thereby avoids injury to the mold and likewise the bricks.
In order to move the mold and pallet along as they are ejected from the inverter, l provide a pair of pusher arms 30 mounted upon stud shafts 31 said arms having each a linger portion 31a which is operated upon a cam arm 311 rigidly mounted upon the shaft 24:, and this cam arm 31h is so placed that at the proper point of revolution of the shaft it engages the linger 31a moving the pusher arm 30 in the direction indicated and pushing the mold along on the side guides at the same time that the pallet is directed to the table 23.
The chains 25 traveling in the direction of the arrow indicated in 7 move along in the mold guides composed of an angle iron and carriv the inverted and empty mold along while. t-he pallet with the bricks therelo on is guided off by the conveyor 2S7 as most clearly shown in Figs. 2 and 4;.
The chains 25 travel around the sprockets 25l at one end and sprockets 25b at the opposite end, the lower flights of the chains 25 passing below thelateral conveyor. Then the mold reaches the end of the mold guide as it passes around the sprockets 251, it is deposited between the molt receiving and lowering arms 33 and 83"* connected to blocks rigidly attached to a cross shaft 33", ythis cross shaft 33'b carrying arms 33e provided with rollers which engage cams 33d mounted upon a shaft 34 which also carries sprockets 34El and aro-und which travels the mold returning chain 35, these chains also traveling around sprockets 35n mounted upon a shaft l36 which 'also has 'another set of sprockets 36a around which travel the chains 37 the purpose of which will appear herein-after.
The mold .is carried down the mold guide 'and delivered to the mold receiver and lowerer which, as before stated, is actuated and so timed that it 'receives the empty mold 'and deposits the same upon the 'chain`35 traveling` in the direction indicated in Figs. 2 and 7 and from the chain 35 it is discharged to the chain 37 traveling in the same direction, and this chain 37 passes over the top of the sand box 38 in whicliare mounted the rotary beater arms 38a which stir up the ksand and throw it upwardly with such force as to thoroi'ighly sand the interior of the inverted mold.
The chains 37 pass around sprockets 372L mounted upon a vshaft 38'3 and these chains passing around the sprockets 37a are carried down through a suitable guide 37b under the vsand bo-X 38. Moi'inte'd upon the shaft 38B there are also lsprockets 38A for driving the 'chains which feed the 'inverted and sanded mold into the mold reverser 40 which is mounted upon the shaft 2O and which has the oppositely disposed compartments 40b into which the-inverted mold is y introduced and from which it is ejected after it has been reversed and in connection with this'rmold reverser I employ an ejector rod 40'@ carrying the finger at the outer end, this rod y4,0c working through the shaft l2O and itis obvious that, as the mold is carried across the sander and fed into one of the compartments 40h, the mold which is in the opposite compartment 4Gb will be ejected therefrom and transferred te the endless chains 39 which travel also around sprockets 39a mounted upon a shaft 41 which also carries aV sprocket 41a around which travels a chain 41b which travels also around a sprocket 41'C mounted upon the end of the pug rmill kshaft 42.
As the mold s carried along the upper flights of the endlesschains 39, it is lifted i'ipvvardly by 'the mold lifter 43 carried 'at the end of a rocker arm 44 mounted upon a rock shaft 44a and having a rocker arm 44hA carrying a roll-er which iis engaged by the cam 44c mounted upon the shaft 41 andthe arm 44 also has an .extension 44d from which is suspended a weight 44e so 'that between the cam and the weight the mold lifter 43 will be moved vertically upwardly and maintained in proper relation through the medium of the parallel link rod 4,3a pivot ally connectedto the mold vlifter 43 and i'dly connected 'to the rock shaft 43h. The mold is llifted upwardly into line withV a horizontally movable pusher 45 which pushes the same horizontally beneath the die of Vthe pug mill.
The mold pusher 45 travels between the guide rolls 45'"L and is actuated by a rocker arm 45h carried by a rock shaft 45 mounted upon the frame of the pug mill and having a crank arm 45d at its vouter end which is connected to a pi'tman 45e worked from the crank or rocker arm 45f operated from the pug mill. The shaft 42 is constantly rotating and consequently the shaft 41.
The shaft 24 -is also constantlyprotating but the shaft 21 makes only a half revolution at a time and this I accomplish by arranging upon one end of the shaft 24 a sprocket 47 varound which travels a chain 48 which in turn operates a sprocket 49 mounted upon the end of the shaft 21. The sprocket 47 is loose upon. the shaft 24. Rigi'dly connected to the sli-aft 24, however, is a bifurcated arm 50 between which is 'pivot'ed a pawl 51, this pawl 51 having a n lin-ger 51l and the arm 50k is provided with a finger 50al in line with the finger 51a and between the fingers 5()il and v51a I arrange a coil spring 52.
The sprocket carries two lugs 53 spaced 180 apart as most clearly shown in Figs. l5 and 16 and when the shaft is rotating in 'the direction indicated the lateral linger 51b of the pawl 51 contacts with the lug 53 and carries the sprocket around until the end of the pawl 51 comes in contact with a roller 54 journaled upon a stud projecting laterally from the frame and when the pawl rides over the roller 5,4-, the laterally projecting iin-ger 51b is thrown out of disengagement and the arm with its pawl continues around until the next lug 53 is picked up and the operation is continued as previously described.
This causes the shaft 24 to impart an intermittent motion to the sprocket 47 and this sprocket in 'turn imparts the intermittent motion to the sprocket 49 through the medium of thechain 48 and inl this manner the inverter is given a half 'rotation at the proper determined time. Y
Thetappets 29hl are mounted upon a shaft 229i which shaft has a sprocket '29k at its outer end around which travels the sprocket chain 291 which receives its power from the sprocket 29m mounted upon the end of the shaft 34.v
Upon one end of 'the shaft 21 there is arranged a brake 'drum l55 upon which bears a brake band 56 fastened at 56ste the frame andV carrying a weight 561 at its opposite end.v this brake Jdrum and band serving to hold the inverter in its proper positionl when at rest. The mold reverser 40 which is mounted en the shaft sois also intended to
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1230705B (en) * 1961-12-12 1966-12-15 Schlosser & Co G M B H Device for turning underlay boards for shaped stones made of concrete or the like.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1230705B (en) * 1961-12-12 1966-12-15 Schlosser & Co G M B H Device for turning underlay boards for shaped stones made of concrete or the like.

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