Friction Screw Press
A screw press and friction wheel technology, applied in the field of forging, can solve problems such as unfavorable machine work and potential safety hazards
Active Publication Date: 2015-12-09
SHANGHAI YUNLIANG FORGING PRESS
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Problems solved by technology
This structural setting makes the distance between the flywheel and the ground very high, and the flywheel of the press rotates at high speed when it works. If the flywheel is too high from the ground, the bottom of the press will bear huge pressure, which is not good for the machine to work. Security risks
Method used
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[0021] see figure 1 , is a structural schematic diagram of the friction screw press involved in the present invention. It includes a horizontally rotating flywheel 2, the flywheel 2 is connected to a screw rod 37, the screw rod 37 and the nut 38 in the slide block 39 form a screw pair, and the flywheel 2 can control the descent and return of the slide block 39. Both sides of the flywheel 2 are symmetrically provided with friction drive devices, which are installed on the frame 40 . A brake 1 for braking the flywheel 2 is also provided in the flywheel 2 .
[0022] see figure 2 , is an enlarged schematic diagram of the friction drive device. As can be seen from the figure, the flywheel 2 can be divided into upper and lower parts, which are called half partial areas. A first edge 4 and a second edge 3 protruding outward are provided on the outer circle of one side of the flywheel 2 . The distance between the first and second edges 3 is very short and concentrated on the upp...
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The invention discloses a friction screw press. The friction screw press comprises a flywheel which is connected with a sliding block through a screw pair to control descending and rising of the sliding block. A first edge and a second edge which are close are arranged on the flywheel, the first edge is opposite to the first end of a first friction wheel, the second edge is opposite to the first end of a second friction wheel, the second friction wheel is fixed on a first spindle serving as a first piston, the first friction wheel is sleeved on the second friction wheel, the first friction wheel moves axially along with the second friction wheel, rotation directions of the first friction wheel and the second friction wheel are opposite, a second piston is arranged at the first end of the second friction wheel, and a first return mechanism is arranged between the second piston and the second friction wheel. According to the friction screw press, forward and reverse rotation of the flywheel is achieved by controlling the first friction wheel and the second friction wheel, and the distance between the first edge and the second edge which are in contact with the first friction wheel and the second friction wheel is short, so that the gravity center of the flywheel is reduced, the whole press is compact in structure and conformant to the current development trend.
Description
technical field [0001] The invention belongs to the field of forging, and in particular relates to a friction screw press. Background technique [0002] The screw press usually uses the motor to drive the flywheel rim through the friction disc to make the flywheel rotate, so this kind of press is also called friction press. In this kind of press, the screw and nut are used as the transmission mechanism, and the forward and reverse rotation motion of the flywheel is converted into the up and down reciprocating motion of the slider by the screw transmission. When working, the flywheel rotates in one direction to store energy, and at the same time, the screw and nut push the slider to move downward. When the slider touches the workpiece, the flywheel is forced to decelerate to a complete stop, and the stored rotational kinetic energy is converted into impact energy, which hits the workpiece through the slider and deforms it. After the blow is over, the flywheel is forced to r...
Claims
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IPC IPC(8): B21J9/18B30B1/22
Inventor 陆友荣龚伟兴
Owner SHANGHAI YUNLIANG FORGING PRESS