There are various machines available that can help with the demolding of concrete veneer stones. These machines are designed to automate and streamline the demolding process, making it more efficient and reducing the need for manual labor. Here are a few examples of machines commonly used for demolding concrete veneer stones:

Demolding Tables: These machines consist of a large flat table with a vibrating mechanism. After the concrete has cured to the appropriate stage, the mold is placed upside down on the table, and the vibration helps release the concrete from the mold. The table may also have pneumatic or hydraulic systems to aid in the demolding process.

Demolding Presses: These machines use hydraulic or pneumatic pressure to apply force to the mold, helping to separate the concrete veneer stone from the mold. The press applies controlled pressure to specific points on the mold, facilitating the demolding process.

Vacuum Demolding Systems: Vacuum systems use suction to remove the concrete veneer stone from the mold. The mold is placed inside a chamber, and a vacuum is applied, creating a pressure difference that helps release the concrete. These systems are effective at demolding intricate or delicate designs.
It's important to note that the availability and suitability of these machines may vary depending on your specific needs, budget, and location. When considering a demolding machine, it's advisable to research and consult with suppliers or manufacturers who specialize in concrete production equipment. They can provide guidance on the best machine for your requirements and offer support and training for its operation.