Triple row combined pouring and cooling line

Cooling times up to 1 hour

With the Type III molds can pass through the system a second or third time without weights and jackets for additional cooling before they are discharged.

The mold is pushed out of the molding machine onto a self storing automatic mold conveyor. This conveyor provides unpoured mold storage and quickly transports molds on demand to the pouring line. The mold is then pushed off the aluminum bottom board onto a graphite lined cast iron pouring pallet. Bottom board is returned automatically to the molding machine.

After the mold is pushed onto the pouring line, the weight and jacket are automatically set. The weight is set first and then the jacket, insuring that setting the jacket does not cause mold shift.

Molds are gently indexed forward to the pouring zone. Molds can be automatically indexed to the pourer for single station pouring or the pourer can move up the line to pour at multiple positions. After pouring, the molds continue to cool under weights and jackets until they reach the end of the pouring line. At the end of the line a combination lowering and transfer device lowers the pallet and mold (with the weight and jacket in place) from the top to the bottom level. It then pushes the line of pallets on the bottom level forward one position in the opposite direction.

The molds continue to cool on the bottom level as they move toward the lift transfer device on the other end of the system. This unit lifts the pallet from the bottom to the top level, and then pushes the line of pallets on the top level forward one position in the opposite direction.=

The weight and jacket are then stripped and the mold is pushed laterally to the center of the pallet. After the pusher retracts, the weight and jacket are then set down on the empty pouring pallet and indexed forward one position to the mold loading station. The weight and jacket are then picked up and the sequence repeats as a new unpoured mold is pushed onto the pallet and the weight and jacket are precisely set on the incoming mold.

Each pallet contains three molds, one on the pouring line with a weight and jacket, and two rows of cooling without weights and jackets. After the poured mold is pushed to the center row, it continues to cool without a weight and jacket. The mold makes a second pass through the system on the pallet until it reaches the transfer/discharge position on the upper level.

At this point, the mold is pushed from the middle to the back of the pallet. The mold then makes a third pass through the system, and the mold and pallet eventually return to the transfer/discharge position. Finally, the cooled mold is discharged onto a vibrating pan or shake-out conveyor. Molds are dumped one at a time, without pushing mold against mold.

This system permits the operator to select double or triple row cooling based on a particular casting's cooling requirement.

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