US1348411A - Molding-machine - Google Patents

Description

i.. HANSEN MOLDING MACHNE.

APPLICATION FILED APR.21.1919.

l Eggs@ l jm e Patnted Aug. 39 $920.

3 SHEETS-SHEET l.

L. HANSEN momma mAcHlNE.

APPLICATION FILED `MYLZX, 1919. L aented Aug: 3, l

3 SHEETS-SHEET 2.

e3 y fff'/ g 5 L. HNSEN.

MOLDIN'G MACHINE.

APPLIS/umn FILED APR.21'.1919.

E. g l u Fatented Aug. 3, 1.926.

3 SHEETS- SHEET 3.

@Cm JWM STATS LARs HANSEN, or iiANsAs Grrr,

MISSOURI.

MOLDING-MAGHINE.

Application le April 21,

Be it known that I, 'Lans HANSEN a citizen of the United States, residing in lansas City, in the county of Jackson and State of Missouri, have invented a certain new and useful Improvement in li/loldingMachines, of which the following is a specification.

My invention relates to improvements in molding machines, it relates particularly to machines adapted for making roofing tiles from cement or other plastic material.

@ne of the objects of my invention is to provide a molding` machine which is provided with novel means for forming a transverse flange at one end of a tile and for forming holes in the tiles made by it adapted to receive securing devices for attaching the tiles to the roof.

Still another object of my invention is to provide a molding machine which will make tiles that will nest compactly, and with which the overlap, when laid on the roof, may be varied without danger of-leaka ge.

The novel features of my invention are hereinafter fully described and claimed.

ln the accompanying drawings, which illustrate the preferred embodiment of my invention,

Figure 1 is a plan view, partly broken away. of my improved machine, the die plate and forming tool being removed.

F 2 is a vertical sectional view, partly broken away, taken on the plane of the line 2-2 of Fig. 1, the die plate and forming tool with a. tile therebetween being shown.

Fig. 3 is a vertical sectional view, partly broken away, on the plane of the line 3*-3 oi Fig. 1, the die plate and forming tool being shown.

Fig. 4 is a view similar to F ig. 3, some of the parts beine; removed and the die plate shown elevated, the needles and the swinging flange forming member being shown retracted.

Fig. 5 is a vertical` sectional line or" Fig. 1.

Fig. G is a view partly. in vertical section and partly in end elevation of the swinging flange forming member and parts connected therewith. f

Fig. 7 is a partly broken my machine, shown in with each other.

Fig. 8 is perspective view ot' one of the view on the plan view of four tiles, one away, such as are made with operative relationship Specication of Letters Patent.

rateateenaw. s, reso..

1919. sei-iai No. 291,695.

completed tiles with the two posite corners broken oit.

Fig. 9 is a perspective-view of the forming tool.

Fig. 10 is a sectional view line 10-10 of Fig. 7.

F ig. 11 is a iragmental longitudinal sectional view of a tile, showing the hole formed by the central U-shaped needle.

F ig. 12 is a top view of the die plate.

F ig. 13 is an end view of some of the tiles, showing how the tiles fit together.

Similar reference characters designate similar parts in the different views.

rFhe frame of the machine comprises preierably a table having a boX top 1 and four legs 2. Two longitudinal guide plates 8 disposed edge up, have their lower edges supported on vertical screws 4, F ig. 2, itted in threaded holes in the bottom of the table top 1. By adjusting the screws 4, the guide plates 3 may be vertically adjusted to a desired height, in which' position they may be held by clamping plates 5 fastened to the top 1 by bolts 6, Fig. 1.

On the top 1 between the guide plates 3 and spaced apart from the guide platesis a rectangular mold frame 7, to the inner sides of which are respectively secured by bolts 8, vertically adjustable side mold members 10 and end mold members 11, having slots 9 diagonally opon the broken through which the bolts 8 extend, said boltsV being fitted in threaded holes in the sides of the mold frame 7.

Between the mold members 10 and 11 is a removable die plate 12, Figs. 2, 3, 4 and 12, the upper side of which forms the under side of a cement tile 13, the upper side of which is formed by a hand operated forming tool 14, having on its under sine adiacent to its ends bearing surfaces 15 adapted to rest upon the upper edges of the guide plates 3, Figs. 2 and 9.

The under side oitl the central portion of the forming tool 14 corresponds in contour to the upper edges of the end mold members 11, so as to permit the tool to pass across them.

The tool 14 between theguide plates 3 and the central tile forming portion is provided with hand holds 16, the outer ends of which terminate at downwardly extending projections 17, adapted to respectively slidably engage the inner sides of the guide plates 3.

The upper edges of the guide plates 3 and iii u and 1l, so

the member 22 are respectively oscillatable the bearing surfaces are horizontal, while the under side 19 of the central portion 18 of the forming tool inclines upwardly to the left, as shown in Fig. 3, and is sharp at its forward or lei't edge, as viewed in Fig. 3, so that the tool will cut away the excess cement and sand, while the inclined lower side 19 will pack and smooth the top of the tile 13. j

For supporting the die plate, 12, in operative position, shown in Figs. 2 and 3, there are provided between the mold members 10 and 11, our vertical screws 20, Figs. 1, 2, 3, and 4, which are litted in threaded holes in the top l. and are respectively provided with lock nuts 21, which bear against the top 1.

For lifting the die plate 12 with the completed tile 13, above the mold members 10 that the die plate and tile may be easily removed, there are provided two vertical slidable inverted U-shaped members 22 and 26, the transverse portions of which support the die plate 12. The lower ends of pivoted to the arms of a U-shaped lever 23, the arms of which are pivoted by horizontal bolts 24 to the arms of an inverted U-shaped bracket 25 secured to the underside of the top 1.

The arms of the member 26 are vertically slidable in holes in the top 1, and below the top are pivoted respectively to the arms of a U-shaped lever 27 the arms of which are respectively pivoted by horizontal bolts 28 to an inverted U- haped bracket 29 secured to the under side of the top 1.

For swinging the levers 23 and 27, so as to lift the members 22 and 26 and the die plate 12, I provide a horizontal shaft 30, Figs. 3 and 4, having a crank 31, Fig. 1, and in bearings 32 depending from the table top 1. The rock shaft is provided with two cam arms t 3, Figs. 2, 3 and 4, which are adapted, when the shaft 30 is turned, counter-clockwise, as viewed in Figs. 3 and 4, to strike the under sides respectively of the arms ot the levers 23 .and 27, thereby, on continued turning of the shaft 30 to the position shown in Fig. 4, lifting f the die plate 12 and the 'formed tile 13 above the mold members 10 and 11.

For forming on the upper side of the tile 13 at one end thereof an arcuate transverse flange 34, Figs. 3, 4 and 8, I provide a mold member 35, which has secured to its outer side two plates 36, each of which is provided with an outwardly extending horizontal projection 37, Figs. 3, 4 and 6, provided with a vertical hole, through which slidably extends one of two pins 38, which are rigidly secured at their lower ends to a horizontal rack bar 39, which has its ends respectively pivoted on two horizontal screws adjustably mounted in opposite sides of the frame 7.

When the rock bar or shaft 39 is rocked in the proper direction, the mold member 35 is moved from the operative position shown in Fig. 3, to the position shown in Fig. 4, thus permitting the removal of the tile 13.

For securely holding the mold member 35 in the operative position, each plate 36 is provided with an outwardly extending projection 41 adapted to be engaged on its upper side by the inwardly turned end 42, on the upper end of the adjacent rod 38.

For oscillating the rock shaft 39, it is provided with a downwardly extending crank arm 43, Fig. 5, which has its lower end pivoted to one end of a link 44, the other end of which is pivoted to a crank 45 provided on the rock shaft 30. rIhe arrangement is such that when the rock shaft 30 is swung from the position shown in Fig. 3 to that shown inv Fig. 4, the mold member 35 will irst be swung so as to clear the adjacent inner side of the mold member 11, after which the cam arms 33 will swing the levers 23 and 27 so as to lift the die plate 12 to the elevated position shown in Fig. 4.

For forming a hole 46, Fig. 4, in one end of the tile 13, I provide a needle 47, which is pivoted on a horizontal axis to the upper end of a screw 48, the lower end of which is fitted in a threaded hole in the rock shaft 39, to which the screw is locked by means of a lock nut 49.

The needle -47 is adapted to slide in a transverse hole 50, Fig. 4, provided in the adjacent mold member 11, from the position shown in Fig. 4, to that shown in Fig. 3, in which position the needle 47 extends inwardly beyond the mold member 11 and against a shoulder on the upper side of the die plate 12. TWhen in this position, the cement forms around the needle 47 and when the latter is withdrawn, to the `position shown in Fig. 4, the needle will be withdrawn from the tile, thereby forming the hole 46, through which a nail or other securing device may be inserted for attach ing the tile to lthe roof. By having the needle 47 pivoted to its support, the needle slides in the hole 50, thus keeping the hole clear of cement. By pivoting the needle 47 to the vertically adjustable screw 48, the position on the rock shaft 39 of the needle may be varied to adapt it for different thicknesses of tile, the thickness of the tile being dependent upon the adjustment of the screws 20, which support the die plate 12 in operative position.

For forming a hole 51, Figs. 10 and 11, in the under side of the title 13, near the middle thereof, I provide a U-shaped needle 52, Fig. 5, which isl clamped at its lower arm between two' vertical plates 53, the lower ends of which are pivoted on a horizontal axis to one end of a link 54, the other end of which is pivoted to the crank 43.

LLI

*55, which hasits transverse portion resting on the top 1 and has its ends resting upon a vertical screw 56 which is adjustably fitted in the top 1, Fig. 5. By adjusting the screw 56, the plates 53 carrying the needle 52 may' be vertically adjusted. A vertical screw 57 ltted in a threaded hole in the top land extending between the arms of the plate 55 has its head bearing against the upper edges of said arms, so as to securely hold theplate 55 in the position to which it may be adjusted. Y

The upper arm of the needle'52 has the form of an arc, the center of which is the axis I" the plates 53'in the plate 55.

rlhe needle 52 is adapted to enter a hole 53 provided in the die plate 12, F ig. 12,

`which communicates with a transverse depression 59 provided in the upper side of the die plate 12, for receiving tile material. As shown in F ig. 5f, the adjacent end of the needle 52 is adapted to strike the opposite wall of the depressed portion 59. When the needle is in the position shown in F ig. 5, the tile material will lill the depression 59 around the needle 52. When the needle is withdrawn, it will leave a hole lwhich extends through the lug 60, lFig. 11, formed on the lowerside of the tile 13 by the depression 59.

rlhe upper side of the die plate 12 adjacent to .one cornenhas an oblique rib 61, Fig. A12, which forms a groove in the under side of the tile 32, whereby the tile is weakened so that the corner may be easily broken oil?, asshown in Figs. 7 and 3.

rlhe upperside of the die plate 12 adjacent to the corner diagonally related to the rib 61 is provided with a rib having an oblique portion 62, which at its inner end connects with a longitudinal rib portion 63, whereby the tile isso weakened that the adjacent corner may be readily broken away.

rllhe upper side of the die plate 12 is provided with a transverse raised portion 64, which forms a transverse groove 65 in the under side of the tile 13, said groove being much wider than the thickness of the arcuate flange 34 on the upper side of the tile 13 at the vend distant from that having the groove 65.

lWhen Ythe tiles are fitted( together, as shown in Fig.l 7, the flange 341 of the lower tile ts in the groove 65 of the tile next above. The groove 65 being wider than the liange 34, longitudinal adjustment of one tile relatively to the one next above or below may be obtained. By having the Vdiagonal corners obliquely broken away, as shown, the overlap of the tiles may be' varied to a considerable amount, to correspond with the distance between the reeling strips to which the tiles Vare secured.

. forming by swinging the needles i will be afforded.

-At the same time, the joints will be covered so that leakage will lbe avoided.

ln the operation of my invention, the

initial position of the parts excepting the as shown in F ig.

tool lei, will Ybe zuiiicient tile mal-:ing material is then placed on the die plate 12, after which the forming tool is employed to pack the material under the mold member 35`so as to form the flange 311, on the upper side andl one end of the tile 13. After this has been done, the'forming tool 1-1 is moved away from the mold member 35, and being slid material and pushes it forwardly, while the inclined under side 19 of the i'orming tool smeoths and properly forms the upper sur-y face oi the tile.

rllhe crank shaft is then turned counterclockwise, as viewed in Figs. 3 and Zl, there- 7 and 52 out of the formed tile by the mechanism already described. alt tlie'same time, the mold member will be moved tothe position shown in F ig. el. YContinued turning in the saine direction of therock shaft 30 will cause the cam arms to swing the levers 23 and 2i to the position' shown in F ig. t, thereby lifting the die plate 12 and tile 13, by means or the members 22 and 26, to the position shown in Fig. 4.

Upon retracting the rock shaft 30, to the initial position shown in F ig. 3, the levers 23 and 2T will swing downwardly by gravity, thus lowering the members 22 and 26 and a new die plate carried thereby, the die plate being deposited between the mold members 10 andA 11. upon the screws 20. At this time, the mold member and the needles 47 and 52 will move into the Voperative position shown .in Figs. 3 and 5. n

By having the mold members 10 and ,11, the guide plates 3 and the screws 20 vertically adjustable, compensation for wear diie to the sliding back and forth of the toolY 14;

By having the guide plates 3 spaced a considerable distance from the mold iraine '7, said plates will be clear or' cement and sand, thus greatly reducing wear upon them.

I do not limit my invention to the structure shown and described, as many modifications, within the scope of the appended claims, may be made without departing from the spirit oi" my invention.

W hat 1 claim is :4-

1. In a molding machine, a supporting frame, a stationary mold member mounted on said frame, a rock shaft oscillatable in said frame, a swinging mold member car-V on the guide plates 3, ,n its sharpened forward edge removes excess ioo the rock shaft, and a forming toolslidable on said frame over the die plate toand from a position against and extending below said swinging mold member when the latter is in the inwardly projecting position.

2. In a molding machine, a frame, a stationary mold supporting frame, a stationary mold member mounted thereon, a roclr shaft oscillatable in said adapted,

frame and having an upwardly extending rod, a swinging mold member carried by and slidable on said rod and movable therewith to and from an operative position projecting inwardly above and beyond the upper edge of the stationary mold member, the rod having means for limiting the upward sliding movement of the swinging mold member, and means for oscillating the rock shaft.

4l. ln a molding machine, a supporting frame, a stationary mold member mounted thereon, a rock shaft oscillatable in said frame, a needle pivotally mounted on the rock shaft and adapted, when the rock shaft is oscillated to move to and from a position in which it will extend through and project inwardly beyond the inner side of the stationary mold member, and means for oscil lating the rock shaft.

5. In a molding machine, a supporting frame, a stationary mold member mounted thereon, a rock shaft oscillatable in said frame, a needle supporting member radially adjustable in said rock shaft, a needle pivoted to said needle supporting member and adapted, when the rock shaft is oscillated, to move t0 and from a position in which it will project inwardly beyond the inner side of said mold member, and means for oscillating said rock shaft.

, 6. In a molding machine, a supporting frame, a stationary mold member mounted thereon, and having a transverse hole, a die plate adapted to be supported in operative position at the inner side of the mold member, a rock shaft oscillatable in said frame, a needle support carried by said rock shaft, a needle pivoted to said needle support and when the rock shaft is oscillated, to move to and from a position in which it will extend through said hole to a point at member mountedy thereon, a rock shaft oscillatable on saidv by and radially adjustable on the rock shaft,

\ and a needle pivoted to said needle supporting means and movable thereby, when the rock shaft is oscillated to and from a position in which it will extend through said hole and beyond the inner side of the mold member. v

8. In a molding machine, a stationary mold member having a hole therethrough, a

rock shaft, a screw radially adjustable in.

said rock shaft, and a needle pivoted to said screw and movable thereby to and from a position in which `it will extend through said Vhole and beyond the inner side of said mold member.

9. In a molding machine, a, supporting frame having guides, upright mold members supported by said frame, means adapted to support a die plate in operative position between said mold members, a swinging mold member movable over said die plate to and from a position extending over the upper edge of one of said mold members, and-a forming tool slidable on said guides over the dieplate to and from a position against and extending below said swinging mold member when the latter is in the extending over position.

lO. n a molding machine, a supporting frame, a mold member mounted thereon, means adapted to support a die plate in operative position at the inner side of said mold member, a swinging mold member movable to and `from a position over the die plate and at the inner Vside of said mold member, means for swinging said movable mold member to andrfrom said position and for lifting the die plate, and a forming tool slidable on said frame over said die plate to and from a position against and extending below j said swinging mold member when the latter is over the die plate.

11. In a molding machine, a supporting frame, a stationary mold member mounted thereon, a swinging mold member movable to and from a position at Vthe inner side of the stationary moldv member, and a forming tool movable on said frame toward and from said mold members and having its lower side lower than the swinging mold member.

In testimony whereof l have signed my name to this specication.

LABS HANSEN.

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