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What is a high speed tablet press machine?

What is a high speed tablet press machine? 1

The high-speed rotary tablet press is used to press various granular raw materials into round and shaped sheets, which is the basic equipment suitable for mass production. Its structure is double pressure type, with two sets of feeding devices and two sets of wheels. 33 die can be installed on the turntable, and 66 pieces can be pressed after one rotation. The speed of the rotary plate, the filling depth of the material and the thickness of the tablet can be adjusted. The mechanical buffer device on the machine can avoid damage caused by overload. The machine is equipped with a powder suction box. The suction nozzle can absorb the dust generated when the machine is moving, avoid sticking and plugging, and can recycle raw materials for reuse. Some pharmaceutical tablet press in the tablet press when the burr and dust should be matched with the screen machine at the same time dust removal (more than two times), must meet the GMP specification.

What is a high speed tablet press machine? 2

Application description

1, high-speed rotary tablet press is an automatic rotary continuous tablet machine, it is a pharmaceutical, chemical, food and other industrial sectors, processing a variety of granular raw materials pressed into the basic equipment

2, it is suitable for large or small batch multi-variety production of pressed round various tablets, sugar tablets, calcium tablets and so on.

3, it is not suitable for semi-solid, wet powder pressing.

What is a high speed tablet press machine? 3

Structural feature

1, the upper half of the high-speed rotary tablet press is the tablet structure: its composition is mainly for the upper punch, the middle die, the lower punch three parts are connected into one, the surrounding 19 die evenly arranged on the edge of the turntable, the tail of the upper and lower punch rod is embedded in the fixed curve guide rail, when the turntable rotates, the upper and lower punch is with the curve rail guide for lifting movement to achieve the purpose of pressing.

2, the main working process is divided into: (1) filling; (2) Tablet pressing; (3) Film out. The three procedures are carried out continuously, and the filling and pressing are equipped with adjusting control mechanism, with table description, easy to operate.

3, the high-speed rotary sheet press adopts the flow grid feeding mechanism, which can make the material evenly filled with the die hole and reduce the difference in sheet weight.

4, the motor is installed in the frame, the triangular belt is used to drive the worm drive turntable, and the motor shaft is equipped with a continuously variable speed pulley, through the movement of the motor, the speed can be adjusted arbitrarily, the use of safe, reliable and noiseless.

5, the side of the frame is equipped with a powder absorption box, which has a blower, powder storage room, filter powder room, when the machine is running at high speed, the flying powder and the powder falling from the mold are produced, and the powder is excluded through the suction nozzle, which will not stick and block, and maintain smooth and normal operation.Structural feature

Structural specification

1. Upper pressure wheel frame device

The upper cover is the whole casting, the groove is installed in the pressure wheel, it is set on the crankshaft, the outer end of the shaft is connected with the helical spring, when the pressure on the wheel surface is too large, the eccentric torque of the crankshaft is compressed, the distance between the upper and lower pressure wheel is increased, the pressure is reduced, so as to protect the safe use of the parts and the die, the pressure is adjusted, the rotating flower handle changes the length of the spring, Make the spring pressure just enough to be needed.

2. Orbital device

The guide plate is a disc shape, surrounded by a heat-treated guide plate, fastened with screws, and the groove of the upper thrust tail runs along the convex edge of the guide rail, and makes a trajectory of the lifting movement.

3, 19-hole turntable device

The turntable is a whole casting, there are 19 vertical evenly arranged die holes around, the hole is equipped with 19 die, the whole set on the fixed vertical shaft, the work is driven by the worm, the whole turntable it holds all the die for clockwise rotation.

4, drive shaft with clutch device

The drive shaft is horizontally installed in the bearing carrier, there is a worm in the middle, a test handwheel at the front end, a conical disc clutch, a handle to control the switch and stop, the clutch contact depends on the pressure transmission of the helical spring, if the load of the machine exceeds the pressure of the spring, it will slip, so as not to cause the machine to suffer serious damage.

5. Feeder device

A cylindrical cone bottom hopper and a moon-shaped return gate feeder are used to press the sheet for the feeding wheel. The plane of the feeder device should be calibrated to meet the end of the rotary disk surface, generally leaving a gap of 0.03-0.1 mm, the gap can be adjusted by the pillar device. Powder quantity adjustment method, there is a knurled screw at the top of the hopper frame, in order to adjust the height of the hopper, control the flow of powder, its height must be based on the size of the particles and filling amount, can observe the grid feeder in the powder volume does not overflow is qualified. Tighten the knurled screws on the side after adjustment.

6, the main body, lower guide rail, lower pressure wheel device

The main body is a box shaped, rectangular groove is equipped with a lower pressure wheel, its plane is equipped with a pair of heat treatment of the rail guide, fastened with screws, when the current punch in operation, its tail is embedded in the rail guide groove, with the slope of the groove and lift movement, the end of the rail guide has a round hole, covered with a round area sheet, for the device under the punch, the lower pressure wheel is installed in the main groove, it is set on the crankshaft, The outer end of the crankshaft is equipped with a helical gear and a worm connection, rotating the worm, through the deceleration of the gear to make a trace of rotation, when the shaft eccentricity upward, the pressure wheel rises, the pressure increases the thin sheet, the thickness of the sheet is thick, so as to control the thickness and hardness of the tablet. The mark on the table from 0 to 6 corresponds to the thickness of the tablet, because the bevel gear has a self-locking effect, allowing adjustment during operation, but after adjustment, the flower handle in the middle should be tightened.

7, filling adjustment device

The filling adjustment mechanism is installed inside the main body, and a moon-shaped filling track can be observed on the plane of the main body, which rises or falls by the function of spiral to control the filling amount. The dial scale on the disc ranges from 0-45 to 0.01mm per grid of filling amount. When rotating the disc for adjustment, the filling amount increases when turning to the right and decreases when turning to the left. On the right side of the disc is a 0-15 gauge for the filling amount, in millimeters.

8. Frame and motor device

The frame is a cubic square box shape, the motor is installed on the movable board inside the table, when the speed is adjusted, rotate the round handwheel outside the frame, first release the knurled snail in the center of the handwheel and then turn the handwheel, turn fast to the left, turn slowly to the right, after adjustment, the knurled nut should be tightened, the frame is equipped with electrical appliances, ammeter, button switch and red and green indicator light are installed on the front door, the red light is on when the power is connected. Indicates that the line has power, when the motor is started, the red light is off and the green light is on, indicating that the motor is in normal operation, and the ammeter is used to determine the load of the motor.

9. Powder absorber device

Powder suction box is a cuboid, mounted on the left side of the frame, behind which there is a blower driven by a triangular belt, a powder storage chamber at the bottom and a filter powder chamber at the top. There are 5 round filter powder bags inside. When the blower works, the suction force is generated, so that the flying powder produced on the die and the powder falling under the middle die fall into the powder storage chamber through the suction tube, and the gas is discharged through the filter powder bag. The micro particles contained in the gas remain in the filter bag, so after a certain period of use, it may make the filter bag clogged and lose effectiveness, then it is necessary to stop the car, the filter bag and the powder storage tray, open the door to discharge the powder, pay attention to the door and the powder tube isosceles triangle device, the joint of the air leakage, otherwise it will affect the efficiency of powder absorption.

10, C type variable speed wheel device

It is installed on the motor shaft, and there are two inclined blades inside it, which are supported by 12 helical springs on both sides to generate positive pressure. The speed change method is to move the motor, so that the distance between the two wheels changes, and the triangle belt increases or reduces the radius correspondingly in the blade slot, and the speed changes due to the change of radius, so as to achieve a certain range of stepless speed change requirements.

 

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