Machine for manufacturing foam building blocks

Details Machine for manufacturing foam building blocks Machine for manufacturing foam building blocks

B - Operations, Transporting

29

C

18/660

B29C 67/20 (2006.01) B29C 33/20 (2006.01) B29C 33/36 (2006.01) B29C 33/58 (2006.01) B29C 37/00 (2006.01) B29C 44/38 (2006.01) B29C 45/04 (2006.01) B29C 45/08 (2006.01)

Patent

CA 1228209

MACHINE FOR MANUFACTURING FOAM BUILDING BLOCKS Astract of the Disclosure A machine for manufacturing foam building blocks (39) and the like wherein a plurality of two-piece forming molds (21) are continuously moved by a conveyor mechanism along a closed path- of-travel (22) is disclosed. Filling, curing and injection stations (31, 32 and 33) are located along the path-of-travel (22). As a mold (21) enters the filling station (31), the nozzle (37) of a foam gun (35) enters a hole (34) in the top of the mold (21) and moves with the mold (21) as that mold continues to move along the path-of-travel (22). At the end of the filling station (31), after the foam gun (35) has injected a suitable amount of resin, curing and foaming agent materials into the mold (21), the nozzle (37) rises from the hole (34). Thereafter, a cap-latch (36) is moved into a hole closed position. In addition to closing the hole (34), the cap-latch (36) forms one of two latches that latch the two mold pieces (21a and 21b) together. The other latch (38) is located on the opposite side of the forming molds (21). After leaving the filling station (31), the forming molds pass through the curing station (32) where they are heated to a suitable temperature. After leaving the curing station (32), the forming molds (21) enter the ejection station (33) where the latches (36, 38) are opened, the forming mold pieces (21a and 21b) are split apart and the finished foam block (39) is ejected. Then, the forming mold pieces (21a and 21b)are brought back together and the latch (38) is closed. Thereafter, the forming molds (21) are moved to the filling station (31) and the cycle is repeated.

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