proof of stake implementation?!?!?!?!?!

i have been wondering how can i implement proof of stake into my utxo based blockchain.

so i just have a blockchain with some validation and utxo based thingy and storing txs, blocks and allat stuff in embedded db.

But as i understood blocks are going to be forged at some time for example at 11 o clock 12 and etc, and at the time goes on the users are going to send transactions stacking their coins but where do they send the coins?

After stacking the nodes are going to almost randomly vote for each other but at what period of time? Can a mfs who didn't stake vote?

When the stakes are closed or when? so after voting for example at 11:00 the votes are finished and the nodes with the highest votes is going to be chosen to forge the block.

This is the implementation as i understood, i didn't get a lot of things about it so experts i am counting on you to help me.