Do ranked game restrictions ever get removed?

I'm sure you guys have heard this all before but I am a little confused as to my current situation, let me briefly explain. Around 6 weeks ago I received a chat ban for 75 games and ranked restriction for 35 games, I wasn't totally surprised..although I'm not by any stretch of the imagination a flamer, I can be a bit unfriendly in games at times and due to frustration of losing I can often state that I am going to report people etc. I accepted the punishment and endure my way through the 35 wins in draft mode, I disabled all chat and didn't speak at all during this time. Having learned my lesson I started playing ranked games again for 2 weeks then out of nowhere for no reason I got a 75 game chat restriction..although I was confused I didn't really care as I hadn't been using the chat function at all, a few further days pass then out of nowhere a 35 game ranked restriction again! Now friends of mine are telling me to put in a support ticket but I've also read that it just gets you nowhere with Riot. My question is what do I need to do to stop these random bans and restrictions from going on to my account like this? I'm never going to be Mr friendly and positive in my games but I'm not going to flame and ask for reports what does Riot suggest I do here? I feel like I'm in a no win situation. Any help and advice is appreciated.
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