US873598A - Molding-machine. - Google Patents

Description

PATENTED DEC. 10, 1907-.-

H. POCOGK. MOLDING MACHINE. APPLICATION mum 0OT.18, 1906.

2 SHBETSSHEET PATENTED DEC! 10, 1907.

H. POGOCK. MOLDING MACHINE.

APPLICATION FILED 0011s, 1906.

2 SHEETS-$513111 2.

In/nfor 27 M. 2 W r m 5 f S Elf O ea P Witnesses if fW LZ/ 1n: mums PITERS co. msmunrcn. D. c,

HENRY POOOOK, OF LONDON, ONTARIO, CANADA.

MOLDING-MACHINE Specification of Letters Patent.

Patented Dec. 10, 1907.

A li ti filed October 18, 1906. Serial No. 339.505.

T 0 all whom it may concern:

Be it known that I, HENRY PooooK, of the city of London, in the county of Middlesex, Province of Ontario, in the Dominion of Canada, have invented certain new and useful Improvements in Molding-Machines; and I do hereby declare that the following is a full, clear, and exact description of the same.

The invention relates to improvements in molding machines, as set forth in the following specification and illustrated by the accompanying drawings that form part of the same.

The invention consists essentially of a frame, a plate or pallet covering in said frame and forming the bottom of the mold and having an opening therethrough, a core rigidly secured to said frame and rising through said opening, and a mold frame closing down on saidplate and forming the sides of the mold.

The object of the invention is to simplify the .method of producing drain tiles and to devise a convenient and reliable machine whereby one operation of the molding may be instantly followed by a second operation, and thus cheapen the cost of manufacture.

In the drawings Figure 1 is a perspective view of the invention showing one of the cores in cross section, and a portion of the plate or pallet cut away, and the mold frame in its open position. Fig. 2 is a perspective view of the machine in readiness to have the material to be molded placed therein. Fig. 3 is a longitudinal sectional view. Fig. 4 is an elevation of the machine from one end.

Fig. 5 is a cross sectional view of the machine through one of the cores.

Like letters of reference indicate corresponding parts in each figure.

Referring to the drawings, a are the ends of the frame of the machine standing on the feet I), and preferably formed of metal having the flange c extendfng around the edges thereof except on the top sides, and the bolt holes (1 in pairs through the web portion and in proximity to the top sides thereof.

6 are the sides of the frame having the inturned flanges f at the ends thereof and suitable bolt holes through said flanges registering with the bolt holes (1 when the sides 6 are placed in position to be secured to the ends a. g are bolts inserted through the bolt holes (Z and the bolt holes in the flanges f and secured by the nuts h, thus firmly securing the sides and ends together and forming a steady and rigid frame for the machine.

1' are slots arranged at regular intervals in the top edges of the sides 6, and are holes arranged at regular intervals through the sides 6 towards the upper edges thereof and midway between the slots i.

k is a plate or pallet supported on the frame of the machine and extending slightly beyondsaid frame, the sides and ends of said plate having the longitudinally and downwardly depending flanges Z towards the outer edges thereof, and the lateral flanges m de pending downwardly from the underside of the plate and arranged at regular intervals throughout the length thereof and forming part with the side flanges Z.

n are openings through the plate is of rectangular shape and extending from side to side of said plate between the flanges Z and midway between each pair of flanges m. The

. plate or pallet 7c rests upon the upper edges of the frame formed by the ends a, and sides c with the flanges Z to theoutside of the said frame and the lateral flanges mresting loosely within the slots 11.

0 are cores preferably hollow and having the closed in ends 2) and the lugs g extending downwardly from said ends through which are the holes 1". The cores 0 are shown as semi-circular in cross section, though it must be understood that any desired shape in cross section may be used. The said cores are arranged to fit just within the openings at both at the sides and the ends and rest upon the upper edges of the sides 6 of the frame, the lugs q extending downwardly through the said openings 'n and over the outer faces of the sides 0, the holes 1" registering with the holes in the said sides. 8 are screws inserted through the holes 1" and j and suitably countersunk in the lugs q and holding said cores securely in position on the sides 6.

t are brackets forming part with the ends a of the frame and extending upwardly and rearwardly therefrom and having circular bosses a formed thereon and circular horizontal orifices 12 through the center thereof.

to is a rod inserted through the orifices 12 in the bosses a and extending beyond the said bosses at each end of the machine.

0c is a mold frame having the brackets y extending rearwardly from each end thereof,

each of the said brackets having a circular boss formed at the outer end thereof and a central orifice z forming a journal bearing into which extends projecting ends of the rod to, the inner faces of said brackets y abutting the outer surface of the bosses u. The mold frame is thus hingedly' connected to the frame of the machine.

2 are cotter pins inserted through suitable holes in the rod to immediately adjoining the inner surface of the bosses 11,, thus holding the said rod securely in position and preventing the mold frame as from being displaced.

The mold frame as is formed of the front and rear sides 3 and 4 respectively, longitudinally arranged with the machine and the end pieces 5 preferably forming part with the rear side 4 and extending laterally therefrom and abutting the front side 3 and the cross pieces 6 extending between said sides and preferably forming, part with the rear side and arranged at equal distances apart so that when the mold frame at is swung downwardly on to the plate 7c, the said cross pieces 6 will come into close contact with the said plate in in between the cores 0, and the end pieces 5 will come into contact with the plate 7c in proximity to the outer cores 0 thus forming a plurality of boxes or molds for molding purposes. The cross and end pieces of the mold frame as are formed V- shaped in cross section, the point of the V coming into contact with the plate is and the larger portion of the said cross and end pieces being level with the upper edges of the sides 3 and 4. This particular formation of the cross and end pieces forming the molds is not essential to the invention as they may be made in any desired shape according to the design of tile required. The front side 3 of the mold frame is in a separate piece and secured by the bolts? to two of the cross pieces 6 and so arranged that it may be pulled outwardly away from the ends of said cross pieces to a limited extent, for otherwise in the swinging of the said frame on its hinges, the said side piece 3 would interfere with the material filling the molds. The heads of the bolts 7 do not come into direct contact with the outer surface of the said side 3 when the latter is abutting the cross pieces 6 and the ends 5, and therefore the said. side 3 may be pulled outwardly, sliding on the shanks of the bolts 7 and in order to facilitate the handling of the said side 3 and mold frame handles 8 are provided extending therefrom at each end and preferably forming part therewith.

9 are looking arms for securely holding the side 3 tightly abutting the ends and cross pieces of the mold frame. The arms 9 are pivotally secured to the side 3 by suitable bolts 10 and have a vertical slot 11 from the under edge thereof, the edges of the said slot being beveled from the top portion to the lower edge of the arm. The outer ends of the arms 9 are turned outwardly forming handles 12 to facilitate their operation. The arms 9 are pivoted so as to swing inwardly and bringthe mouth of the slots 11 in alinement with the shanks of the bolts 7, consequently.when the mold frame is in its downward position and in contact with the plate 7c, the said arms 9 when in engagement with said bolts force the side 3 tightly against the cross pieces 6 and end pieces 5, the beveled edges of the slots acting as a wedge and pushing against the heads of the bolts.

In order to lift the mold frame, the arms 9 are released from engagement with the bolts and the side 3 pulled outwardly on the'shank 0f the bolts as explained.

13 are lugs extending from the rear of the, end pieces a and forming a support for the mold frame :20 for preventing its further backward movement, and 14 are lugs from the said mold frame 00 which come into contact with the lugs 13 on the opening up of the said frame.

15 is a bracket securely bolted by the bolts 16 to the rear portion of one of the end pieces a.

17 is the upper arm of the bracket 15 and 18 the lower arm, said arms having the orifices 19 and 20 respectively therethrough at the outer ends thereof, and the upper arm having its laterally extending portion, in

which the said orifice 19 is arranged, on the same level as the upper surface of the mold frame as.

21 is an elbowed rod supported by the bracket 15 and having the vertical section thereof inserted through the orifices 19 and 20 in the arms of the said bracket 15, and the horizontal section extending across one end of said machine when in its closed position, from above the upper arm 17.

22 is an open frame having its longitudinal pieces 23 and 24 extending beyond the frame portion of the machine, said longitudinal pieces having the orifices 25 therethrough, through which the horizontal section of the elbowed rod 21 is inserted. The frame 22 is securely held in place on the rod 21 by the cotter pins 26 and washers 27 on either side of the outer arm 23. The longitudinal piece 24 extends beyond the rod 21 and terminates in the shoe 28 which in the vertical open position of the frame 22 engages the vertical section of the elbowed rod 21 and supports said frame in a leaning position clear of the mold frame when in its raised position. the other end of the frame 22 a handle 29 is securely attached, while intermediate of the length of the longitudinal piece 23 a guide plate or block 30 is secured to the outer side, which in the closed position of the frame abuts the outer surface of the side 3 of the mold bar as. The frame 22 thus forms around the mold frame, a combing or hopper to hold the loose material which is to be packed into the molds from falling away from the edges of the said molds.

In assembling the parts of the machine for the purpose of molding, the cores 0 are set in position and secured as ex lained, to the sides a. The late 76 is then p aced over the said cores 0 t 1e under surface resting on the top edges of the ends a and sides 6, the cores 0 passing through the openings n in the said plate. The complete half cylinders formed by the cores 0 now extend through the openings n, the sides of said openings abutting the surfaces of the said cores and forming a tight bottom through which no material can pass. The mold frame a; is then swung upon its hinges to its downward position and the arms q locked on the bolts 7 as explained, forcing the side 3 tightly up to the ends of the end and cross pieces 5 and 6 respectively and against the closed ends of the cores 0, the other side 4 being also close to and abutting the other ends of the cores 0. The frame 22 is then swung inwardly on its pivot towards the end a and then let down above the mold frame :20 forming a combing as already explained. It will be thus seen that there are a plurality of mold boxes in readiness for filling with the material of which the tiles are to be made, the combing formed by the frame 21 permitting the filling in of more material than is actually required to fill the molds. Subsequent to filling in the molds with the material, the said material is tamped with a suitable tamping instrument and packed very tightly in the said molds and when it has been tamped sufficiently the frame 22 is swung, on its pivot, outwardly over the top surface of the mold frame 90 thus scraping off all surplus material from the top of the said molds.

The use of the frame 22 is most advantageous as it serves the purpose of a hopper to facilitate the proper filling of the molds and also cleans off all surplus material from the top surface of the molds leaving an even finished surface to the material in the molds.

The double hinge action permissible in the use of the frame 22, allows it to swing freely in a horizontal direction and also allows it to be moved vertically so that it can be lifted clear of the mold frame at any point and when the tops of the molds are properly finished off may be swung clear of the machine to permit the removal of the mold frame x.

1n removing the mold frame the locking arms 9 are released and the side 3 pulled outwardly as described, the frame as may then be swung upwardly on its hinges clear of the material molded the front plate 3 clearing the upper edges of same. The plate Zc may then be removed with the half tiles formed thereon leaving the cores 0 still secured to the frame of the machine and in order to hasten the work, spare plates lc may be used and the molding continued, using the same cores and the same frame.

In the drawings and foregoing specification a machine for forming half tiles has been described and it must be understood that while the surface of the plate is is shown smooth, suitable ribs or projections may be arranged thereon for indenting the edges of the halftile, or depressions may be made in the said plate to form ribs or ridges upon the edges of the half tile, as may be desired so that when the half tiles are laid together they will have inversely, projecting ribs and depressions on the meeting edges to lock them securely together.

It must also be understood that without departing from the spirit of the invention a mold plate forming the bottom half of a complete tile may be laid upon the frame in a similar manner to the plate 7c and the cores set in the same in any suitable manner instead of being secured to the frame so that when the mold frame is swung into its downward position a mold for forming a complete tile would be formed.

The cores herein described and shown are attached to the side bars, but it must be understood, that, without departing from the spirit of my invention, said cores may be attached to a separate bar or frame adjustably arranged within the machine frame so that in the operation of the machine the cores may be dropped away from the pallet or plate if desired. Further, the construction of the frame may be to some extent altered, as the ends may be rigidly held together in dependent of the sides of the frame, and the said sides may be arranged to fit into preared slots in the ends of the frame.

What I claim'as my invention is 1. In a molding machine, the combination with an open frame, of a plate or pallet resting on and covering in said frame and forming the bottom of the mold and having an opening therethrough, a core rigidly secured to and supported from said frame and rising through said opening in said pallet, and a mold frame closing down on said pallet and forming the sides of the mold around said core and having a separable outer side adapted to be moved laterally, substantially as and for the purpose specified.

'2. In a molding machine, the combination with the frame, of a plate or pallet supported from said frame and forming the bottom of the molds and having a plurality of openings therethrough, a plurality of cores rigidly secured to said frame and rising through the openings in said plate, and a mold frame hingedly secured to the aforesaid frame and closing down on said plate and having a plurality of laterally arranged divisions and a separable outer side secured thereto, and adapted to be moved laterally therefrom to clear the ends of said cores as and for the pur pose specified.

3. In a molding machine, the combination with a frame, of a plate or pallet resting upon the edges of said frame and forming the bottom of the molds and having reinforcing flanges from the underside thereof and a plurality of rectangular openings there through, a plurality of cores extending across said frame and rigidly secured thereto and rising through the openings in said plate, a mold frame hingedly secured to said frame and having a plurality of lateral divisions contacting with said plate in the closed position of said frame and a separable outer side secured to said divisions and. abutting the outer ends thereof and adapted to be moved outwardly from the ends of said divisions, and means for holding said outer side closely abutting said arms and for releasing the said side, as and for the purpose specified.

4. In a molding machine, the combination with a frame, of a plate or pallet resting upon the edges of said frame and forming the bottom of the molds and having reinforcing flanges from the underside thereof and a plurality of rectangular openings therethrough, a plurality of cores extending across said frame and rigidly secured thereto and rising through the openings in said plate, a mold frame hingedly secured to said frame and having a plurality of lateral divisions contacting with said plate in the closed position of said. frame and a separable outer side adapted to be moved outwardly from the ends of said. divisions and having orifices therethrough, bolts secured to said mold frame and extending through the orifices in said separable side and having their heads to the outside thereof, and arms pivotally secured to said separable side having slots engaging the shanks and inner surface of the head of the said bolts and holding said separable side closely abutting the ends of the lateral divisions of said mold frame, as and for the purpose specified.

5. In a molding machine, the combination with a frame having separable sides and ends rigidly secured together said ends having rearwardly projecting brackets therefrom, of a plate or pallet resting upon the edges of said frame and forming the bottom of the molds and having longitudinal reinforcing flanges from the underside toward the edges and a plurality of lateral flanges from the underside joining said longitudinal flanges at intervals throughout the length thereof and a plurality of rectangular openings between said lateral flanges through said plate, a plurality of cores extending across said frame and rigidly secured to the sides thereof and rising upwardly therefrom through said openings and registering therewith, a mold frame having re'arwardly projecting lugs therefrom registering with the brackets on the ends of the frame and hingedly connected therewith and a plurality of divisions contacting with the aforesaid plate in the closed position of said frame and a separable outer side secured to the outer ends of said divisions by suitable bolts adapted to be moved outwardly said in said frame and forming the bottom of the mold and having an opening therethrough, a core rigidly secured to said frame and rising through said opening, a mold frame closing down on said plate and forming the sides of the mold around. said core, and. an open frame resting on the upper side of said. mold frame and pivotally supported from the aforesaid frame, as and for the purpose specified.

7. In a device of the class described, in combination, a frame, a mold supported thereby, a bracket fixedly secured to one end of said frame, and an open frame resting on the upper side of said mold and pivotally supported from said bracket and adapted to be swung horizontally or vertically, substantially as described.

8. In a device of the class described, in combination, a frame, a mold supported thereby, a bracket secured to one end of said frame having an o'rifice in the upper arm and an orifice in the lower arm thereof, an elbowed arm turning in the orifices in the arms of said bracket andsupported thereby, and an open frame having two of its sides extending beyond the frame portion and pivoted 011 the horizontal portion of said elbowed arm and one of said extending sides extending beyond said pivot point and having a shoe formed thereof to engage the vertical section of said elbowed arm when the said frame is in a vertical position said frame being suitably secured on said elbowed arm and adapted to swing in horizontal and upward and outward direction to and from and across said mold frame, as and for the purpose specified.

9. In a molding machine, the combination with the frame, of a plate or pallet covering in said frame and forming the bottom of the mold and having an opening therethrough, a core rigidly secured to said frame and rising through said opening, a mold frame closing down on said plate and forming the sides of the mold around said core, a bracket secured to one end of the aforesaid frame having an orifice in the upper arm and an orifice in the lower arm thereof, an elbowed arm turning .in the orifices in the arm of said bracket and supported thereby, and an open frame having two of its sides extending beyond the frame portion and pivoted on the horizontal portion of said elbowed arm and one of said extending sides extending beyond said pivot point and having a shoe formed thereon to engage the vertical section of said elbowed arm when the said frame is in a vertical position, said frame being pivoted on said elbowed arm and adapted to swing in a horizontal and upward and outward direction to and from and across said mold frame, as and for the purpose specified.

10. In a molding machine, the combination with a frame having separable sides and ends rigidly secured together said ends having rearwardly projecting brackets therefrom, of a plate or pallet resting upon the edges of said frame and forming the bottom of the mold and having longitudinal reinforcing flanges from the under side towards the edges and a plurality of lateral flanges from the under side joining said longitudinal flanges at intervals throughout the length thereof and a plurality of rectangular openings betweensaid lateral flanges through said frame, a plurality of cores extending across said frame and rigidly secured to the sides thereof and rising upwvardly therefrom through said opening and registering therewith, a mold frame having rearwardly projecting lugs therefrom registering with the brackets on the ends of the frame and hingedly connected therewith and a plurality of divisions contacting with the aforesaid plate in the closed position of said frame and a separable outer side secured to the outer ends of said divisions by suitable bolts, and adapted to be moved outwardly from said divisions said bolts having shanks projecting outwardly through said side, arms pivotally secured to said separable side and having slots engaging the shanks and inner surface of the heads of said bolts and forcing said side inwardly to the ends of said division, and an open frame resting on the upper side of said mold box and pivotally supported from the aforesaid frame, as and for the purpose specified.

Signed at the city of London, county of Middlesex, in the Province of Ontario, Dominion of Canada, this 3rd day of October, 1906.

HENRY POOOCK.

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