Universal method and a device for supporting the process of press moulding of finely fragmented materials by means of mechanical vibrations

Abstract

The subject of the invention is a universal method and a device for supporting the process of press moulding of finely fragmented materials by means of mechanical vibrations. The device comprises a motor driving, via a belt transmission, the flow pulse generator (3) connected permanently with actuator. The feeding for flow pulse generator (3) is supplied to port (6), and the outflow to the reservoir occurs via port (7). On the circumference of rotor (17) of the flow pulse generator (3), a plurality of grooves is made. Groove (10), on one side, is connected permanently with passage of port (6), and on the other side, depending on position of rotor (17), it can be connected with arms of the flow guide, Groove (9), on one side, is connected permanently with passaoe of port (7), and on the other side, depending on position of rotor (17), it can be connected with arms of the flow guide. Passage (12) depending on position of rotor (17), is connected directly with groove (8) or with groove (9). Passage (12) is connected with space (13) above the acmator piston. Passage (14), depending on position of rotor (17), is connected directly with groove (10) or with groove (11). Passage (14) is connected with, space (16) under the actuator piston (5). Grooves (8) and (9) are separated from grooves (10) and (11). The unit generating mechanical vibrations is characterised with low flow resistance and high tightness which ensures high energy efficiency and low level of noise emitted by the device.

Claims

1. The device for supporting the process of press molding of finely fragmented materials by means of mechanical vibrations characterized in that a force unit comprises main actuator (29), hydraulic vibrator (37), yoke (36) of the lower body of main table (30), thrust table (31) of posts (35), four columns (32), lower punch plate (33), and punch (34), wherein a main actuator (29) transfers a quasi-static pressing force to main table (30) and further by means of four columns (32) to lower punch plate (33), whereas thrust table (31) is permanently connected by means of posts (35) with the lower body yoke (36), while thrust table (31) carries hydraulic vibrator (37) permanently connected with thrust table (31), and a hydraulic vibrator transfers a additional dynamic force to lower punch plate (33), wherein groove (10), on one side, is connected permanently with passage of port (6), and on the other side, depending on position of rotor (17), it can be connected with arm (19) or with arm (20) of flow guide (18), whereas groove (9), on one side, is connected permanently with passage of port (7), and on the other side, depending on position of rotor (17), it can be connected with arm (21) or with arm (22) off low guide (18), wherein passage (12), depending on position of rotor (17), connects directly groove (8) or with groove (9), whereas passage (12) is connected with space (13) over a actuator piston (5), and passage (14), depending on position of rotor (17), connects directly with groove (10) or with groove (11), while passage (14) is connected with space (16) under the actuator piston (5) and, wherein a first set of grooves (8) and (9) is separated from a second set of grooves (10) and (11) by a sealing ring (23) with locks (24).

2. The device for supporting the process of press molding of finely fragmented materials by means of mechanical vibrations characterized in that a force unit comprises main actuator (29), hydraulic vibrator (37), yoke (36) of the lower body of main table (30), thrust table (31) of posts (35), four columns (32), lower punch plate (33), and punch (34), wherein a main actuator (29) transfers a quasi-static pressing force to main table (30) and further by means of four columns (32) to lower punch plate (33), whereas thrust table (31) is, permanently connected by means of posts (35) with the lower body yoke (36), while thrust table (31) carries hydraulic vibrator (37) permanently connected with thrust table (31), and a hydraulic vibrator transfers a additional dynamic force to lower punch plate (33), wherein groove (10), on one side, is connected permanently with passage of port (6), and on the other side, depending on position of rotor (17), it can be connected with arm (19) or with, arm (20) of flow guide (18), whereas groove (9), on one side, is connected permanently with passage of port (7), and on the other side, depending on position of rotor (17), it can be connected with arm (21) or with arm (22) off low guide (18), wherein passage (12), depending on position of rotor (17), connects directly with groove (8) or with groove (9), whereas passage (12) is connected with space (13) over a actuator piston (5), and passage (14), depending on position of rotor (17), connects directly with groove (10) or with groove (11), while passage (14) is connected with space (16) under the actuator piston (5), wherein a first set of grooves (8) and (9) is separated from a second set of grooves (10) and (11) by a sealing ring (23) with locks (24) and, wherein alternately distributed grooves (8) and (9) are tightly separated from each other by means of separators (25) located on circumference of the rotor (17) and pressed against the body (26) of a flow pulse generator (3) by means of the centrifugal force.

3. The device for supporting a process of press molding of finely fragmented materials by means of mechanical vibrations, comprising a main actuator (29) transferring a quasi-static pressing force to a main table (30) and further by means of four columns (32) to a lower plate (33) with a lower punch (38), wherein a hydraulic vibrator (37) transferring an additional dynamic force to the lower punch plate (33) is permanently connected with an intermediate thrust table (31), said thrust table (31) rigidly connected by means of posts (35) with a lower body yoke (36) and the quasi-static pressing force of the main actuator (29) is superposed by the additional dynamic force of the hydraulic vibrator (37), wherein the vibrator (37) comprises an actuator (4) with its piston (5) supporting the lower plate (33), said actuator (4) connected with a pulse generator (3) having a rotor (17) provided with a plurality of grooves, of which a groove (10), on one side, is connected permanently with passage of port (6), and on the other side, depending on position of the rotor (17), it can be connected with a first arm (19) or with a second arm (20) of a flow guide (18), whereas a second groove (9), on one side, is connected permanently with passage of other port (7), and on the other side, depending on position of the rotor (17), it can be connected with a third arm (21) or with the fourth arm (22) of the flow guide (18), wherein a passage (12), depending on position of the rotor (17), connects directly with groove (8) or with groove (9), whereas the passage (12) is connected with space (13) over the actuator piston (5), and other passage (14), depending on position of the rotor (17), connects directly with groove (10) or with groove (11), while the passage (14) is connected with space (16) under the actuator piston (5), and wherein the grooves (8) and (9) are separated from grooves (10) and (11) by a sealing ring (23) with locks (24).

4. The device for supporting a process of press molding of finely fragmented materials by means of mechanical vibrations, comprising a main actuator (29) transferring a quasi-static pressing force to a main table (30) and further by means of four columns (32) to a lower plate (33) with a lower punch (38), wherein a hydraulic vibrator (37) transferring an additional dynamic force to the lower punch plate (33) is permanently connected with an intermediate thrust table (31), said thrust table (31) rigidly connected by means of posts (35) with a lower body yoke (36) and the quasi-static pressing force of the main actuator (29) is superposed by the additional dynamic force of the hydraulic vibrator (37), wherein the vibrator (37) comprises an actuator (4) with its piston (5) supporting the lower plate (33), said actuator (4) connected with a pulse generator (3) having a rotor (17) provided with a plurality of grooves, of which a groove (10), on one side, is connected permanently with passage of port (6), and on the other side, depending on position of the rotor (17), it can be connected with a first arm (19) or with a second arm (20) of a flow guide (18), whereas a second groove (9), on one side, is connected permanently with passage of other port (7), and on the other side, depending on position of the rotor (17), it can be connected with a third arm (21) or with the fourth arm (22) of the flow guide (18), wherein a passage (12), depending on position of the rotor (17), connects directly with groove (8) or with groove (9), whereas the passage (12) is connected with space (13) over the actuator piston (5), and other passage (14), depending on position of the rotor (17), connects directly with groove (10) or with groove (11), while the passage (14) is connected with space (16) under the actuator piston (5), wherein the grooves (8) and (9) are separated from grooves (10) and (11) by a sealing ring (23) with locks (24), and wherein alternately distributed grooves (8) and (9) are tightly separated from each other by means of separators (25) located on circumference of the rotor (17) and pressed against the body (26) of the flow pulse generator (3) by means of the centrifugal force.

Description

BRIEF SUMMARY OF THE SEVERAL VIEWS OF THE DRAWINGS

(1) FIG. 1 shows the axial cross-section and top view of the device for supporting processes of press moulding of finely fragmented materials by means of mechanical vibrations.

(2) FIG. 2 shows the axonometric view of a device for supporting processes of press moulding of finely fragmented materials by means of mechanical vibrations.

(3) FIG. 3 shows a view of the rotor body and the steering wheel of the device for supporting processes of press moulding of finely fragmented materials by means of mechanical vibrations.

(4) FIG. 4 shows a view of the rotor body and two cross-sections perpendicular to the axis of the device for supporting processes of press moulding of finely fragmented materials by means of mechanical vibrations.

(5) FIG. 5 shows a view of the device for supporting processes of press moulding of finely fragmented materials by means of mechanical vibrations.

DETAILED DESCRIPTION OF THE INVENTION

(6) The device for supporting the process of press moulding of finely fragmented materials by means of mechanical vibrations comprises motor (1) FIG. 2 driving, via a belt transmission (2) FIG. 2, the flow pulse generator (3) FIG. 2 connected permanently with the actuator (4) FIG. 2. The feeding inlet for the flow pulse generator (3) FIG. 1 is connected to port (6) FIG. 1, and the outflow to the reservoir occurs via port (7) FIG. 1. The circumference of rotor (17) FIG. 1 of the flow pulse generator (3) FIG. 1 is provided with a plurality of grooves. Groove (10) FIG. 1, on one side, is connected permanently with passage of port (6) FIG. 1, and on the other side, depending on position of rotor (17) FIG. 1, it can be connected with arm (19) FIG. 3 or with arm (20) FIG. 3 of flow guide (18) FIG. 3, while groove (9) FIG. 1, on one side, is connected permanently with passage of port (7) FIG. 1, and on the other side, depending on position of rotor (17) FIG. 1, can be connected with arm (21) FIG. 3 or with arm (22) FIG. 3 of flow guide (18) FIG. 3. Passage (12) FIG. 1, depending on position of rotor (17) FIG. 1, is connected directly with groove (8) FIG. 1 or with groove (9) FIG. 1. Passage (12) FIG. 1 is connected with space (13) FIG. 1 over the actuator piston (5) FIG. 1. Passage (14) FIG. 1 depending on position of rotor (17) FIG. 1 is connected directly with groove (10) FIG. 1 or with groove (11) FIG. 1. Passage (14) FIG. 1 is connected with space (16) FIG. 1 under the actuator piston (5) FIG. 1. Grooves (8) FIG. 1 and (9) FIG. 1 are separated from grooves (10) FIG. 1 and (11) FIG. 1 by means of sealing ring (23) FIG. 4 with locks (24) FIG. 4. Alternately distributed grooves (8) FIG. 4 and (9) FIG. 4 are tightly separated from each other by means of separators (25) distributed on circumference of rotor (17) FIG. 1 and pressed against the body (26) FIG. 4 of flow pulse generator (3) FIG. 1 by means of the centrifugal force.

(7) The principle of the pulsating stream direction change is presented in FIG. 3. The feed stream from space (27) FIG. 3 reaches groove (10) FIG. 3 of rotor (17) FIG. 3. As the groove (10) FIG. 3 in this position of rotor (17) FIG. 3 is positioned against slit (14) FIG. 3, the feed stream flows through slit (14) FIG. 3 and further to space (16) FIG. 1 under piston (5) FIG. 1. Outflow from space (13) FIG. 1 over the piston occurs through slit (12) FIG. 3 and via the oppositely positioned groove (9) FIG. 3 of rotor (17) FIG. 3 to the outflow space (28) FIG. 3. After the rotor being turned by the angle corresponding to the pitch of grooves, the feed stream from space (27) FIG. 3 reaches groove (11) FIG. 3 of rotor (17) FIG. 3 and further through arm (20) FIG. 3 of flow guide (18) FIG. 3 and arm (21) FIG. 3 of flow guide (18) FIG. 3 to groove (8) FIG. 3 of rotor (17) FIG. 3. As the groove (8) FIG. 3 in this position of rotor (17) FIG. 3 is positioned against the slit (12) FIG. 3, the feed stream flows through slit (12) FIG. 3 and further to space (13) FIG. 1 over piston (5) FIG. 1. Outflow from space (16) FIG. 1 under the piston occurs through slit (14) FIG. 3, via groove (8) FIG. 3 positioned against the slit, and further through arm (19) FIG. 3 of flow guide (18) FIG. 3 and arm (22) FIG. 3 of flow guide (18) FIG. 3 to groove (9) FIG. 3 of rotor (17) FIG. 3.

(8) The process of superposing the quasi-static pressing force exerted by the actuator with an additional dynamic force is accomplished in the force unit shown in FIG. 5. The force unit comprises a main actuator (29) FIG. 5, hydraulic vibrator (37) FIG. 5, yoke (36) FIG. 5 of lower body of the main table (30) FIG. 5, thrust table (31) FIG. 5, posts (35) FIG. 5, four columns (32) FIG. 5, lower punch plate (33) FIG. 5, and punch (34) FIG. 5.

(9) Main actuator (29) FIG. 5 transfers the quasi-static pressing force to main table (30) FIG. 5 and further by means of four columns (32) FIG. 5 to lower punch plate (33) FIG. 5. Thrust table (31) FIG. 5 is permanently connected by means of posts (35) FIG. 5 with lower body yoke (36) FIG. 5. On thrust table (31) FIG. 5, hydraulic vibrator (37) FIG. 5 is located and permanently connected with thrust table (31) FIG. 5. The hydraulic vibrator transfers the additional dynamic force to lower punch plate (33) FIG. 5.

(10) The method of application and the compact effective device for supporting the process of press moulding of finely fragmented materials by means of mechanical vibrations with large amplitude and high frequency, with its noise kept at a low level, may find wide application in industrial practice as a basic component of special pulsation presses or special pulsation equipment of classical presses.