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Top roller embossing MPY—B type hob type top roller embossing machine



Top roller embossing MPY—B type hob type top roller embossing machine (1) Structure and working principle 1. Structure 6MPY-100B top roller gin machine consists of a flower feeding…

Top roller embossing MPY—B type hob type top roller embossing machine

(1) Structure and working principle
1. Structure
6MPY-100B top roller gin machine consists of a flower feeding and cleaning part, a ginning part and a transmission system.
The structure diagram of the flower feeding, cleaning and ginning parts is shown in Figure 8-32.
The main components of the flower feeding and cleaning part are: flower feeding roller, spike roller, impurity removal screen, material trough, pin tooth roller, acceleration roller, guide roller, adjustable porous mesh, fixed screen and magnet drip plate .
The main components of the embossing part are: top roller, hob, and fixed knife.
The structure of the top roller is the same as that of the punch-knife gin. The diameter of the top roller is 190mm and must be replaced when it wears to 120mm.
The hob is 1000mm long and 150mm in diameter. The hob is made of 184 steel sheets welded on a shaft with a diameter of 100mm. There are 8 rows in total, 23 pieces in each row. One row of parallel shafts forms a 30° angle, and the other row has a 30° angle on the parallel shaft. The rows of parallel axes form an angle of 60°, and the surface of the hob is cut and polished. The blade height is 25cm, the thickness is 4mm, the blade spacing is 30mm, and the hob diameter is 150mm. When the hob diameter is worn below 145mm, it should be replaced. The fixed knife is made of 65Mn steel with good rigidity.
The fixed knife edge is located 2~4mm below the axis of the top roller. The pressure exerted by the fixed knife on the surface of the top roller is adjusted by a leaf spring installed on the fixed knife holder. The pressure of the fixed knife on the top roller is equivalent to exerting a force of 98.2 to 196.4N on the top roller driving rim.
The transmission of the 6MPY-100B top roller gin machine has three parts.
(1) The flower feeding roller is driven by XWDY0.37-8105-87 planetary cycloid pinwheel reduction motor.
(2) Y132S-6 three-phase asynchronous motor drives the hob, guide roller and needle roller.
(3) Another Y132M2-6 motor drives the top roller, acceleration roller and nail-toothed roller.
The transmission diagram of the 6MPY-100B top roller gin machine is shown in Figure 8-33.
2. Working principle of ginning
The cotton is fed from the cotton storage box to the spiked roller of the top roller gin through two feeding rollers. The spiked roller rotates at high speed to loosen the cotton, and the cotton will follow the The spike roller and the impurity discharge net at the rear discharge the impurities of the cotton separately and fall into the impurity discharge channel at the rear of the equipment. The clean and loose cotton falls into the magnetic cotton draining plate.
The cotton falls to the magnet cotton dripping plate by its own weight, and slides down along the magnet cotton dripping plate by its own weight. At this time, the iron debris in the sub-cotton is attracted by the magnet strip and eliminated, and the sub-cotton can slide all the way to the fixed screen, where it is hooked by the pins on the rotating pin-toothed roller, and moves along with the pin-toothed roller. . The impurities separated from the cotton fall into the lower cotton spiral from the sieve holes of the fixed screen. When the cotton comes to the working area of ​​the guide roller with the pin tooth roller, the guide roller presses the cotton to the needle teeth so that the needle teeth can firmly grasp the cotton and remove the excess cotton from the needle roller to the magnet stream. On cotton board. When the cotton comes to the working area of ​​the acceleration roller with the needle roller, the high-speed rotating acceleration roller drops the cotton brush hooked by the needle roller onto the hob.
After the rotating hob carries the cotton through the front arc plate, the cotton falls onto the surface of the top roller. The fibers on the sub-cotton enter the fixed knife edge under the friction and traction of the top roller. Since the fixed knife presses on the surface of the top roller with appropriate pressure, the cotton is blocked at the fixed knife edge. The rotating hob blade impacts the cotton stuck in the fixed knife edge, so that the fiber and cotton entering the fixed knife edge are separated. The fibers separated from the cotton seeds continue to move forward with the top roller until they reach the position of the cotton suction port, where they are sucked by the airflow and enter the common cotton collection pipe. The cotton seeds are pushed by the hob to move along the surface of the adjustable porous mesh. If the long fibers on the cotton have been rolled out, they can pass through the mesh of the adjustable porous mesh and fall into the cotton spiral. The cotton with unrolled long fibers can be hooked by the needle-toothed roller, added to the cotton group coming down from the magnet dripping plate, and undergoes the sorting cycle again, and so on, until the fibers on the cotton are rolled clean.
(2) The main features of the 6MPY-100B hob-type top roller embossing machine. The characteristics of the 6MPY-100B type hob-type top roller embossing machine:
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(2) The equipment operates smoothly and has little vibration.
(3) Added lint cleaning equipment to reduce the lint impurity rate.
(4) The equipment is simple to use and has high stability.
(5) The moisture content of cotton is required to be higher.
The main technical characteristics of 6MPY-100B hob-type top roller machine embossing are shown in Table 8-8.
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