[![enter image description here][1]][1]

Clicking on the next badge 'loading bar' tells you what's wrong. 

"maintain a positive question record" - that criteria is not met. I see lots of zeros, and negative votes, and a few deletions. 

So. Ask more good questions, which people upvote, and you'll get that badge


  [1]: https://i.sstatic.net/tq5wX.png