SU114824A1 - Automatic turret type press for the manufacture of continuous and multi-hollow soil blocks - Google Patents

Description

In the known turret-type machine tools for the manufacture of ground blocks, the loading of the soil into the mold and the process of its pressing are not automated, and the blocks are not mechanized from the mold.

The described automatic press eliminates the noted disadvantages.

FIG. 1 press depicted in the plan; in fig. 2 shows a section along the AL in FIG. one; in fig. 3 - diagram of the hydraulic system.

On the base plate 1 there is a rotating molding table 2 with three shapes A, B and C, arranged at an angle of 120 ° to each other. The rotation of the table 2 is carried out by means of a turning device — a hydraulic jack 3 with a freely mounted venp 4 and a pinion rod 5.

The hydraulic press 6 is fastened to the upper plate 7 connected to the base plate I by three columns 8. The racks take up the pressure during pressing and are guides for the movable plate 9, and the central rack 8 is the axis for the molding table 2.

The movable plate 9 is attached to the stem of the hydraulic press 6. In the lower part of the movable plate 9, interchangeable press stamps (not shown) are mounted for pressing solid or hollow subunits.

The hydraulics is carried out by a three-plunger pump 10 with three-stage plungers. The switching is performed by a plug 11 connected to a spring pressure gauge. With a pressure of up to 10 atm, all the plungers operate, at a pressure of from 10 to 50 atm, two plungers work and at a pressure above 50 atm, one (internal) operates.

The soil from the hopper 12 is fed by the scraper conveyor 13 through two rows of rotating, using their fingers 14 to grind the soil. Including # 114824-2 -

The turning, turning off and speed of rotation of the conveyor belt is carried out by a steering wheel 15. To prevent overfilling of the receiving hopper 12, a window is cut in it through which excess soil is fed back into the bunker.

The finished primer unit is brought out of the cbeMHHKOjM / 6 press. The press moves on the travel wheels 17 by means of a tractor, to which it is attached by a drawbar 18.

To create a stable position of the press without a tractor, a leg 19 is screwed into the plate 1 with a hinge shoe 20.

The work of the press is carried out according to the following scheme.

The tractor's power take-off shaft is driven by a plunger pump, the hydraulic press 6 is pumped down and with an ejector 21 fixed on the console of the movable plate 9, the finished block is pushed out of the mold to the puller 16 through the hole in the plate 1, and next mold.

The piston of the hydraulic jack 3 is in the leftmost position. When the pressure in the hydraulic system reaches 240 atm, the electromagnetic switch with a fork 11 transfers the two-way valve and the oil begins to flow in the opposite direction, due to which the ejector 21 and the press stamp (not shown) are withdrawn from the mold, and the hydraulic jack of the jack 3 moves to the right extreme position. When the piston of the hydraulic jack is moved, the pinion rod 5 rotates the crown 4 along the clockwise, and since the pawl 22 engages with the notches 23 of the spinning molding table 2, it rotates by 120. When the table rotates, the necessary amount of soil is cut off by the mold . When the lath rod 5 is moving, the lever of the puller 16 simultaneously rotates to the position 24. And the primer block is moved out of the bounds of the press. When the pressure in the hydraulic system rises to 240 atm. The two-way valve takes the same position and the cycle starts again. The rotation of the table 2 is adjusted by the nut 25 of the rod stock 5.

The scraper conveyor 13 is driven by a V-belt transmission via a pulley 26, on which shaft the cams 27 and a row of rotating fingers 14 are mounted, transmitting movement to the second row of rotating fingers 14 by means of a chain transmission. When the shaft rotates, the cams 27 alternately retract free-mounted levers 28, and the cams 29, resting on the disk 30, drive the driving drum of the conveyor into rotation. Levers are retracted by springs 31. Turning the steering wheel 15 counterclockwise moves the rod 32 to the left, the disk 30 located at its end reduces the amplitude of the levers 28 and the rotational speed of the leading conveyor drum changes from O to 15 cm / sec. When the stem 32 is retracted to the left extreme position, the cams 27 do not touch the levers 28 and the conveyor stops.

Subject invention

Automatic turret-type press for the manufacture of solid and multi-hollow soil blocks, consisting of base and movable plates, a rotating drum with three forms arranged at an angle of 120 ° to each other, a hydraulic system connected to the suspended hydraulic system of the tractor, a receiving bunker, a scraper conveyor rotating fingers to grind the soil, a puller to remove the finished block, a hinged dumper, a drawbar to attach the press to the tractor, and wheels to move the press, are different The fact that, in order to automate the loading of the soil, the pressing process and the delivery of blocks from the mold, a device was used consisting of a hydraulic jack and an electromagnetic switch operating at the pressure required in the system for pressing and ejecting the blocks and simultaneously causing rod hydraulic jack to rotate the drum at 120 and take the block out of the press.

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