If not Wikipedia then read something from NBC leftist news organizations about how impeachment works... I assume you wouldn't read a right-wing media outlet so here a left wing outlet...

https://www.nbcnews.com/politics/congress/what-impeachment-how-does-it-work-10-facts-know-n1072451

"Congress derives the authority from the Constitution. The term "impeachment" is commonly used to mean removing someone from office, but it actually refers only to the filing of formal charges. If the House impeaches, the Senate then holds a trial on those charges to decide whether the officer — a president or any other federal official — should be removed and barred from holding federal office in the future."

So... repeat after me.....

Democrats have no power to formally convict him or remove him from office at the second stage, that power is maintained in the SENATE, not in the HOUSE. The Senate is the only one that can formally convict him, and the Senate is the only one that can get him removed, the house cannot vote on that.