Cotton opening and dust collecting device for refined cotton

A cotton opening and dust collecting device for refined cotton, comprising a first cyclone separator, a second cyclone separator, a first draught fan, a second draught fan and a spiral conveyer, wherein

• the first cyclone separator is respectively provided with a first wind inlet, a first wind outlet and a first discharge opening,
• the second cyclone separator is respectively provided with a second wind inlet, a second wind outlet and a second discharge opening,
• the first draught fan is respectively provided with a first air inlet and a first air outlet,
• the second draught fan is respectively provided with a second air inlet and a second air outlet,
• the spiral conveyer is respectively provided with a feed port and a discharge port,
• the cotton opening and dust collecting device for refined cotton further comprises a suction pipe, a dust collecting cabin, a screen plate, a motor, a dust extraction pipe, a first bearing, a second bearing, a first pipeline, a second pipeline, a third pipeline and a forth pipeline,
• a front side wall of the dust collecting cabin is provided with a wind inlet and a collection port,
• the suction pipe is communicated with an interior of the dust collecting cabin through the wind inlet, the suction pipe is provided with suction inlets in rows,
• a cabin gate is movably installed in a collection port of the dust collecting cabin,
• the screen plate is installed in the dust collecting cabin to separate the interior of the dust collecting cabin into a front chamber and a back chamber,
• the screen plate is provided with a through hole, a middle part of the screen plate is provided with a support, the support is provided with a via hole and a first clamping groove which are mutually penetrated,
• the dust extraction pipe is located in the front chamber,
• a back side of the dust extraction pipe is provided with a first clamping plate, the first clamping plate of the dust extraction pipe is movably clamped in the first clamping groove through the first bearing,
• the motor is fixedly installed in the support through a bracket,
• an output shaft of the motor is fixedly connected to the first clamping plate of the dust extraction pipe,
• a back side wall of the dust extraction pipe is provided with a dust suction inlet, the dust suction inlet is provided with a rubber dust suction sleeve, the rubber dust suction sleeve is contacted with the screen plate,
• a front side wall of the dust extraction pipe is provided with a wind outlet, the wind outlet is provided with a second clamping groove, the first pipeline is fixedly installed in the dust collecting cabin,
• a front end part of the first pipeline is provided with a second clamping plate, the second clamping groove of the dust extraction pipe is movably clamped in the second clamping plate through the second bearing,
• the first pipeline is communicated with the dust extraction pipe through the wind outlet, the first cyclone separator and the spiral conveyer are respectively installed in the back chamber of the dust collecting cabin, the back side wall of the dust collecting cabin is provided with a first via hole, a second via hole and a third via hole,
• a back end of the first pipeline is communicated with the first air inlet of the first draught fan after respectively penetrating through the through hole and the first via hole,
• one end of the second pipeline is communicated with the first air outlet of the first draught fan, the other end of the second pipeline is communicated with the first wind inlet of the first cyclone separator after penetrating through the second via hole,
• the feed port of the spiral conveyer is communicated with the first discharge opening of the first cyclone separator, the discharge port of the spiral conveyer is located outside the dust collecting cabin after penetrating through the third via hole,
• the back side wall of the dust collecting cabin is further provided with a wind outlet, the second air inlet of the second draught fan is communicated with the wind outlet through the third pipeline, and the second air outlet of the second draught fan is communicated with the second wind inlet of the second cyclone separator through the fourth pipeline.