SU929288A1 - Apparatus for turning drum with rolls - Google Patents

Description

(54) DEVICE TO REVOLVE DRUM WITH ROLLS

I

The invention relates to the processing of metals by pressure, in particular to devices for the manufacture of balls by the rolling method.

A device for turning a drum with a mill for cross-screw rolling is known, which contains crackers diametrically mounted in the drum and a drum rotation mechanism interacting with the crackers, made in the form of a driving screw pusher and a diametrically located spring-loaded stop, which are parallel to the rolling axis fl.

A disadvantage of the known device is the impossibility of a quick transition from a given feed angle to a feed angle, equal to zero, which is necessary for adjusting the rolls to the caliber, due to the need for the simultaneous movement of two screw stops to a given value in two mutually opposite directions to tx. As a result, the idle time associated with

performance tuning, resulting in poor performance.

Another disadvantage of this device is the impossibility of setting the deformation zone when the cage cover is open, since the stops are placed on the cover and when it is tilted, the feed angle is not fixed.

The closest to the proposed technical essence is

10 a device for turning a drum with rollers of a working stand of a ball mill, containing a rotary dresser installed in a drum and coaxially arranged in guide stands

15 stop screw and hydraulic cavity 2.

Claims (2)

A disadvantage of this device is the complexity of its design and the large amount of time required for mounting the roller and adjusting the rolls to a predetermined feed angle due to the fact that the drum roll is rolled by a hydraulic pusher and stop screw by means of a double-arm lever fixed to the frame with one shoulder and with the other shoulder, full. in the form of a fork, interacting with a rotary drum cracker. In addition, during installation, it is difficult to install the rotary drum cracker in the FORCH of the two shoulders lever. The purpose of the invention is to simplify the design of the device for turning the drum with rollers and reducing the setup time of the mill. This goal is achieved by the fact that in the device for turning the drum on with the rollers of the working stand of the ball mill, which contains a rotary rusk installed in the drum and is mainly located 1e. In the guide pins, a stop screw and a hydraulic picker, a stop screw and a hydraulically pusher are mounted with the ability to interact with its ends with a rotary cracker, and the hydraulically pusher is made with a notch at the end with a depth equal to the width of the rotary biscuit. Such a constructive implementation of the device allows for quick installation of a drum with rollers during handling, since it eliminates the need for cracking the bread in the narrow groove of the fork of the two shoulders, which will reduce the setup time for the mill. The height at the end of the pusher, whose depth is equal to the width of the rotary cracker, excludes the clamp of the rotary cracker and provides the possibility of moving the drum with rollers along the rolling axis. The drawing shows a device for turning the drum with the rollers of the working stand of the ball mill section. The device for turning the drum 1 with the rollers 2 contains a rotary nut 3 installed in the drum 1, a stop screw 4, a hydraulic follower 5. A stop screw 4 and a hydraulic follower 3 are installed in the guide bars of the working stand of the ball mill. The stop screw 4 is associated with a worm gear 7 for its movement, which can be hand-worn by any other drive for its rotation. The pusher 5 is pivotally connected with the rod 8 of the hydraulic cylinder 9. At the end of the pusher 5, a recess is made, the depth d of which is equal to the width of the rotational i th cracker 3. The device operates as follows. To adjust the rolls 2 to the required feed angle of the drum 1 with the rolls 2 by means of the hydraulic pusher 5, the turner 3 is pre-rotated to the initial position at which the feed angle is zero. This position is necessary for setting the rolls 2 according to the caliber, aligning the roll crests both along the rolling axis and perpendicular to the axis. Then, using a stop screw, 4, set the required feed angle and turn on the hydraulic cylinder 9, maintaining a constant pressure in it. When transferring the rolls 2, the hydraulic pusher 5 and the stop screw 4 are retracted to the extreme positions and the drum 1 is removed or installed. The proposed device for turning the drum with the rolls of the working stand of the ball mill makes it possible to quickly change the rolls during handling and adjust to the required feed angle, which reduces the downtime of the mill and increases its productivity. The device is easy to manufacture and operate. The invention The device dp reversal to the drums with rollers of the working stand of the ball mill, a rotary rusk mounted in the drum and a stop screw and a hydraulic pusher coaxially arranged in the guide stands, characterized in that, in order to simplify the design of the device and set up the mill, stop screw and hydraulic pusher assembly with the ability to interact with their ends with a rotary cracker, the hydraulic pusher is made with a notch at the end with a depth equal to th width of the rotary cracker .. Sources of information taken into account during the examination 1. USSR author's certificate number 4161.16, cl. B 21 V 31/16, 02.02.79. 2. USSR author's certificate №738732, cl. B 21 H 1/14, 10.25.78 (prototype).