SU647132A1 - Arrangement for pushing-out worm screw from screw press - Google Patents

Description

TDM 23 and support ring 24 with screw 25.

The device works as follows. .

The device case 1 is screwed onto the output shaft of the pressure reducer with the fixtures 2 and 3 installed in it, the straight springs 1 by springs 4 against the stop surfaces, one of which is the surface of the cover 5, which serves to adjust the screw surfaces of the two nuts .: 13 rotating the first link 8 of the composite screw, which had been screwed in before the screws 2 and 3, ynHpaJomeecH into the end face of the screw, removed the screws of the screw from the engagement with the splines of the output shaft of the pressure reducer. A fixed ring 22 is put on with a small dashindrien part, on which sleeve 20 is put on, and a key 18 passes through the window, the spindle is attached to the sleeve 20 with a screw 19 so that the rim .18 enters the keyway of the link 8j and the gearbox is attached to the gearbox - bolts 23. Springs 21 press sleeve 2O with a key 18 from the large end of the stationary sleeve 22 to the spring 18 in the jumper formed by the window And the end of the small cylindrical part.-.- Turn on the motor: drive the press gearbox. Rotating the output shaft of the red one, 4 case: 1; transmits via keys B, attached to BHHTiat / ij-i 7. torque on the nuts 2 and 3, stirring the hold-in-turn, opening 18, pp. with the support of the holder .22, single-8, the second under the action- The friction force between the keyway of the link and the relocation key. 2P clamp bushing designed for magnitude nusily Treni springs21. . . When approaching the end H1 of the mounting casing 22 of the link 8, having a connecting socket, which is a faceted hole, followed by a boring of a larger diameter and an annular bore to enter the split latch 1O of the link 9, made in the form of a rod with a keyway along the entire length and thread except. Groove for the length of the gap between the nuts, located at the end of the link,. The link 9 is increased, In the front part of the link 9, there is a faceted socket, at the end of which there is a threaded hole and a window in the wall. An axis 11 is screwed into the threaded hole, and

a window is inserted through a retainer 14 with a spring 15 fixed from the end by a stop 16 with a screw 17, a spring 13 and a faceted sleeve 12 with an annular groove and an opening for the entrance of the retainer 14, fixed with a split latch i. By increasing the link 9, the sleeve 12 is sunk by compressing the spring 13 and is secured by a lock 14, the tooth of which enters the opening of the sleeve 12. As the end of the link 8 approaches the end of the fixed sleeve 22, link 9 increases, and the safety pin 10 enters the ring bore and the facen part sleeve 12 in the faceted part of the nest stackable link to t not for a link 9.

At the approach of the junction of the links to the ends of the key 18 and the sleeve 20, the drive motor of the gearbox is switched off. Friction between shpovoch1shm; the zben groove and key 18 are reduced. The sleeve 20 with the key 18 under the influence of the springs 21 moves and passes the junction of the links. After that, the press gear motor is turned on. Under the influence of the friction force, the key 18c with the sleeve 20, moving, compresses the springs 21, and the front part of the link 9, approaches the nut 3, and in case of a mismatch of the thread, squeezes the nut 3 into the distance of the thread mismatch of the links, screwed. At the same time, axial loadings are transmitted by nut 2. When the link junction passes through nut 3, the protruding bevel of lock 14 under the influence of gear 18 lowers the tooth from the hole in sleeve 12. The engine is turned off. In this case, the frictional force between the sleeve 12 and the links of the composite screw falls. The spring 13 moves the sleeve 12 forward. At the same time, the partena of its part gets into the bore, and the groove enters the faceted part of the socket, and the inner hole of the sleeve 12, the slide along the split part of the split latch iO, compresses its protruding parts. The press gear motor is switched on. The link is obtained by rotating one against the other. Under the influence of the friction force between the nut 2 and the link in the link, it rotates to the thrust until the nut 3 rests on the bearing surface and begins to move the link of the multiple screw. In this case, a gap appears between the abutment surface and the nut 2, and a friction force appears at the ends of the links under the influence of axial force, stopping the rotation of the extension link, the nut 2 is screwed off from the extension link, and falling onto the groove on the link under the action of the spring 4 is pressed against the stop surface.

Since the screw cutting of both nuts 2 and 3 in the pressed state coincides the front part of the extension link 9 is easily screwed into the nut 2, and axial forces are transmitted by both nuts.

When the end of the growing link approaches the end of the fixed casing 22, the composite screw is increased by the next link 9, and so on until the screw is completely pushed out of the body of the screw press.

The engine is turned off and on when the link junction approaches the end of sleeve 20 and pin 18 and when the nut 3 passes,

The use of the device will allow increasing the level of mechanization of pushing the screw out of the body of the screw press.

Claims (1)

1. Copyright certificate SSOR № 488725, cl. B 29 F 3 / O4, 1974. H f g / / U2 / 1 AA Y / yy Jbi Ill . ifz.3