Banned for no apearent reason, without email, without any explanation.

So I got suspended as you can understand from the title. But worst part is its for no reason. Little about be- i have had this account for almost 5 years, i play decently. All these years ive only played Normal blind pick games because i never liked to wait that draft pick time to just have fun. all these years (s3 bronze) ive been silver from playing placement matches and like 50 ranked games in one season. in normal games i get matched against golds or plats, once i had master tier opponent, but that was cause of premades. This season i decided i want to tryhard in Rankeds because i felt i got the game knowledge and mechanics. So i got from b3 (placements) to gold5 in like 2 months or so and it was suprisingly easy. mained Kha`zix Top (80+% win rate) w/ ignite and just stomped them, got first blood in lvl 2 and then snowballed hard, roam mid ,jungle and all that good stuff.

then after two days when i get to gold i log in and my account is suspended. no emails came with detailed information no nothing. so i sent ticket to riot support, and all i got is automated answers that i was scripting. pretty much reaching out as far as i can to get my account back because i really didnt do anything wrong and just played better then my opponents. never flame anyone. every third game or so i get honorable opponent or teamwork from team. Worst thing i do is spam laugh and mastery emote before i slaughter them. this is really infuriating to be honest. and not fair at all. I have put alot of time and effort in this account i would not compromise it with dumb scripts or anything like that, that would be dumb as duck.

Ive heard that Riots support is there just to spam automated answers and if anything needs to be done then i need to go to boards or reddit. So please can some one help me get my account back?