SU705266A1 - Apparatus for batching and mixing components of tooth filling mass - Google Patents

Description

(54) DEVICE FOR DOSING AND MIXING. COMPONENTS OF FILLING MASS

one

The invention relates to devices for dosing and displacement, liquid and syrup, mainly in a hundred. matology, to obtain a filling mass, for example, mercury silver.

A dispenser-mixer is known, which contains hollow truncated cones located on a common shaft with a drive, a displacement chamber and feed tanks associated with smaller bases of the cones.

However, this device can be used to dispense and displace only liquids.

Also known is a pneumatic mixer of materials that contains a sectional hopper and a perforated pneumatic conduit located inside it, rotating around a horizontal axis, on the outer surface of which cutting elements 2 are made. This device is cumbersome, requires a pneumatic network and is intended for use. Airing only bulk materials.

The closest in technical essence to the invention is a device for dosing in mixing bulk materials with LIQUID; containing a sectional hopper, a dispensing element with measuring chambers mounted below it, and a filling capsule 13. However, it does not provide the required dosing values.

The purpose of the invention is to improve the accuracy of dosing.

The goal is achieved by eating. that in the proposed device, in the metering element, under the measuring chambers, there is a cavity in which the receiving capsule is placed, when ems it is installed with the possibility of oscillations with simultaneous rotation and fixed in the corresponding position.

FIG. 1 shows the described device, a longitudinal section; in fig. 2 the same, side view; in fig. 3 shows section A-A in FIG. one; in fig. 4 - section B in FIG. 1; in fig. 5 (a, b, c) - position of the ps5d70 movable parts of the device at different times. The device contains a hopper 1 with sections 2 and 3, a metering element 4 with measuring chambers 5 and b and a cavity 7, into which the receiving capsule 8 is placed. The dosing element 4 is axially bounded on one side by a ring 9, on the other side) - ring Y. A handle 11 is fastened to the anchor surface of the ring 9, which is pressed against the body 1 by an elastic washer 9 and the washer 12 is fixed to the body by means of a screw 13. On the handle 11 an electromagnet consisting of a P-shaped core 14 and a coil 15 is fixed Between the poles of the electromagnet 14 is placed A magnet 16, associated with the metering element 4 with the aid of a lever 17. Buffer plates 18 are attached to the core 14 in the interaction areas with the permanent magnet 16. The elastic washer 12 contains a protrusion 19, on the handle 11 there are three notches 2O forming with the protrusion 19, the lock on three positions. The electromagnet is closed by a cover 21 fixed on the handle 11 with screws 22. The power supply to the winding of the coil 1b is supplied by cable 23 and wires 24, the fixing pin 25 and the rubber sleeve 26 are fixed. The lever 10 is fixed by screws 27 in the slot of the ring 10. .: The axle 29, which forms a hinge with the lever 28, is pressed into the housing 1, the axle 30 is pressed into the metering element 4, and with a gap in it, the axle 28, which interacts with the groove of the axle 8, is pressed into. On both sides measuring chamber 6 (use In this case, annular grooves 32 are made on the shedding element 4 to dispense the bulk component of the filling mass. Ring grooves 33 are also made on the cap 8 and the grooves 32 and 33 in the lower part connect with each other. In the lower part of the body, a capsule 34 is installed with a longitudinal notch along the generator and locking device 35, {which guides the notch of the capsule in the direction of the groove 36 for connecting its cavity with the cavity of the grooves 32 and 33. On the receiving capsule 8 there is an annular cuff Screwing the housing to protect it from falling out during vibrations The device operates as follows. 64 Section 2 is filled with mercury, Section 3 is filled with silver powder, while the handle 11 is in a position that corresponds to the location of the protrusion 19 of the elastic washer 12 in the central slot 20 of the handle 11. In this position, the lever 28 is installed vertically, and the measuring chambers 5 and 6 are separated from sections 2 and 3 and the cavity of the first capsule 8 (Fig. 56). AC voltage is applied to the coil 15. The permanent magnet 16, interacting with the alternating magnetic field of the coil 15, oscillates, which is transmitted through the lever 17 to the dispensing element 4. By turning the cover 21 to the left, the handle 11 is shifted to the position in which the projection 19 of the elastic washer 12 fits into the right slot 20 of the handle 11, while the core 14, rewinding together with the handle 11, causes the permanent magnet 16 to rotate, thereby turning the dispensing element 4 through the lever 17. In this position, the axis 30 is retracted to the left, turning the lever 28 clockwise around the axis 29, and axis 31, by eschenna capsule 8 in a groove, it turns counterclockwise (FIG. 5a). Thus, the capsule cavity remains disconnected from the test chambers 5 and 6, the latter coalesce with sections 2 and 3. Mercury fills the measuring chamber 5, and the silver powder - the dead chamber 6. The oscillations provide a dense filling of the measuring chambers 5 and 6. By turning the cover 21, the handle 11 is turned into a position in which the protrusion 19 fixes with the left slot 20. The core 14 moves the permanent magnet 16 by turning the dosing element 4 through the lever 17, while the axis 30 is led from the right to lever 28 counterclockwise, and axis 31 rotate: capsule 8 clockwise (Fig. 5c). Dimensional chambers 5 and 6 are separated by oi: sections 2 and 3 and communicate with the cavity of the capsule 7. Under the action of vibrations, mercury and silver powder are completely transferred from the measuring chambers to the receiving capsule 8 and mixed there. The powder particles between the cylindrical and rubbing surfaces of the housing 1, the metering element 4 and the receiving capsule 8 fall into the grooves 32 and 33 and, passing through the groove 36, are assembled into the capsule 34. After performing the above Operations, the capsule 8 is removed from the cavity

7 metering element 4 and, opening the tube, take out the resulting mass.

Claims (3)

1. USSR author's certificate NJ 429277, cl. 6 01 F I / 00, 1971. 2. USSR author's certificate No. 456145, class 01 F 11/00, 1972 .. 3. USSR author's certificate NJ 434268, cl. Q 01 F 11/00, 1972 (phototype).