RU156528U1 - GRAVITY MIXER - Google Patents

Abstract

A gravitational mixer containing a rotating drum with blades and a rotation drive installed in a support, a vibrator with kinematic excitation of vibrations and a rotation drive is cantilevered inside the drum, the vibrator is made with a housing mounted on the crankshaft so that its longitudinal axis is 5- 10°, one end of the housing is coaxially connected to the bottom of the drum with the help of an elastic element, and the other end is supported by means of a spherical bearing on the connecting rod support of the crankshaft, on which an unbalance is placed, made with the function of dynamic balancing of unbalanced masses, characterized in that the housing is made in the form of a metal thin-walled truncated regular quadrangular pyramid, on each of the faces of which stiffeners are fixed, the function of which is to create additional intensifying effects on the mixed materials.

Description

The utility model relates to devices for mixing concrete mixture and can be used in the construction materials industry, in construction and other areas of the construction industry for the production of multicomponent mixtures. Currently, one of the urgent aspects of the development of the construction industry is monolithic construction, an important role in which is given to the preparation of concrete mixtures at the initial stage of production. Analysis of various sources makes it possible to detect the diversity of existing industrial concrete mixing machines implemented on the basis of machining in order to obtain high-quality concrete mixtures, i.e. getting them as uniform as possible in composition. The latter, in particular, makes it possible to distinguish the method of vibrational treatment of concrete mixtures, which has been tested by time and many scientific works, both in a single case and in conjunction with conventional mechanical activation.

The prior art various devices that are implemented on this basis.

Thus, for example, vibration mixers are known (Patent RU 2494795 C1, 10/10/2013, B01F 11/00; Patent RU 2494796 C1, 10/10/2013, B01F 11/00; Patent RU 2494797 C1, 10/10/2013, B01F 11/00; Patent RU 2494798 C1, 10/10/2013, B01F 11/00; Patent RU 2494799 C1, 10/10/2013, B01F 11/00; Patent RU 2494800 C1, 10/10/2013, B01F 11/00; Patent RU 2494801 C1, 10/10/2013 , B01F 11/00; Patent RU 2494802 C1, 10/10/2013, B01F 11/00; Patent RU 2494803 C1, 10/10/2013, B01F 11/00; Patent RU 2494804 C1, 10/10/2013, B01F 11/00; RU patent 2494805 C1, 10.10.2013, B01F 11/00; Patent RU 2494862 C1, 10.10.2013, B01F 11/00; Patent RU 2495710 C1, 10.20.2013, B01F 11/00; Patent RU 2496562 C1, 10.27.2013, B01F 11/00; Patent RU 2496563 C1, 10.27.2013, B01F 11/00; Patent RU 2496564 C2, 10.27.2013, B01F 11/00; Patent RU 2496565 C2, 10.27.2013, B01F 11/00; Patent RU 2496566 C2, 10.27.2013, B01F 11/00; Patent RU 2496567 C1, 10.27.2013, B01F 11/00; Patent RU 2496568 C1, 10.27.2013, B01F 11/00; Patent RU 2496569 C1, 10.27.2013, B01F 11/00; Patent RU 2497665 C1, 11/10/2013, B28C 5/16, B01F 11/00; Patent RU 2497666 C1, 11/10/2013, B28C 5/16, B01F 11/00; Patent RU 2497667 C2, 11/10/2013, B28C 5/16, B01F 11/00; Patent RU 2500523 C1, 12/10/2013, B28C 5/00; Patent RU 2500524 C1, 12/10/2013, B28C 5/16, B01F 11/00; Patent RU 2500525 C1, 12/10/2013, B28C 5/16, B01F 11/00; Patent RU 2500526 C1, 12/10/2013, B28C 5/16, B01F 11/00; Patent RU 2500527 C1, 12/10/2013, B28C 5/16, B01F 11/00; Patent RU 2500528 C1, 12/10/2013, B28C 5/16, B01F 11/00; Patent RU 2500529 C1, 12/10/2013, B28C 5/16, B01F 11/00; Patent RU 2500530 C1, 12/10/2013, B28C 5/16, B01F 11/00; Patent RU 2513931 C1, 04.20.2014, B28C 5/16, B01F 11/00; Patent RU 2513932 C1, 04.20.2014, B28C 5/16, B01F 11/00; Patent RU 2515480 C1, 05/10/2014, B01F 11/02; Patent RU 2515838 C1, 05.20.2014, B01F 11/02; Patent RU 2516569 C1, 05.20.2014, B01F 11/02; Patent RU 2519234 C1, 06/10/2014, B28C 5/16, B01F 11/00; Patent RU 2519426 C1, 06/10/2014, B01F 11/00; Patent RU 2519430 C1, 06/10/2014, B01F 11/00; Patent RU 2519436 C1, 06/10/2014, B01F 11/00; Patent RU 2519437 C1, 06/10/2014, B01F 11/00; Patent RU 2519439 C1, 06/10/2014, B01F 11/00; Patent RU 2519444 C1, 06/10/2014, B01F 11/00; Patent RU 2520103 C2, 06.20.2014, B28C 5/16, B01F 11/00; Patent RU 2520445 C2, 06/27/2014, B01F 11/00; Patent RU 2522073 C2, 07/10/2014, B01F 11/00; Patent RU 2524726 C1, 08/10/2014, B28C 5/00, B01F 11/00; Patent RU 2524729 C1, 08/10/2014, B28C 5/16, B01F 11/00; Patent RU 2524783 C1, 08/10/2014, B28C 5/16, B01F 11/00; Patent RU 2524942 C1, 08/10/2014, B01F 11/00; Patent RU 2525075 C1, 08/10/2014, B28C 5/16, B01F 11/00; Patent RU 2525077 C1, 08/10/2014, B28C 5/16, B01F 11/00; Patent RU 2525081 C1, 08/10/2014, B28C 5/16, B01F 11/00; Patent RU 2528847 C2, 09.20.2014, B01F 11/00; Patent RU 2528850 C1, 09/20/2014, B01F 11/00; Patent RU 2529223 C1, 09/27/2014, B01F 11/00; Patent RU 2533730 C2, 11.20.2014, B01F 11/00; Patent RU 2533787 C2, 11.20.2014, B28C 5/16, B01F 11/00; Patent RU 2533788 C2, 11.20.2014, B28C 5/16, B01F 11/00; Patent RU 2533791 C2, 11.20.2014, B28C 5/16, B01F 11/00; Patent RU 2534113 C2, 11.27.2014, B01F 11/00; Patent RU 2534117 C2, 11.27.2014, B01F 11/00; Patent RU 2534278 C2, 11.27.2014, B28C 5/16, B01F 11/00) containing a mixing chamber with material loading and unloading windows and a rotor with blades. In the lower or lower and upper parts of the mixing chambers in the center, one or two vibrators are rigidly fixed, made in the bodies, with the excitation of vibration fields by means of the lower or lower and upper crank mechanisms. In this case, the vibrator bodies are made in the form of corrugated metal shells with different geometry of the bodies of revolution.

Also known is a rotary vibration mixer with a ring magnetostrictive transducer (Patent RU 2318586 C2, 03/10/2008, B01F 11/00), comprising a mixing chamber, a rotor with a rotary drive made with blades, a vibrator, characterized in that the vibrator is made in the form of a radiating high-frequency vibrations of the pipe with the disk and is rigidly fixed in the middle of the mixing chamber.

Also known is a rotary mixer with a mechanical vibration exciter (Patent RU 2297274 C1, 04.20.2007, B01F 11/00), comprising a mixing chamber, a rotor with a rotary drive, made with blades, a vibrator made in the form of disk springs with rubber shock absorbers, and rigidly fixed in the middle of the mixing chamber. The vibrator has a crank mechanism, with the help of which the Belleville springs excite particle vibrations in the horizontal direction. In the mixer, it is possible to adjust the intensity of the vibration by changing the speed of the drive of the crank mechanism.

The main disadvantage of these designs of mixers is the limited use of mixed materials, especially hard concrete mixes. The closest analogues are gravity mixers (Patent RU 148474 U1, 12/10/2014, В28С 5/22, B01F 11/00; Patent RU 148526 U1, 12/10/2014, В28С 5/22, B01F 11/00; Patent RU 148529 U1, 12/10/2014, B28C 5/22, B01F 11/00; Patent RU 148597 U1, 12/10/2014, B01F 11/00; Patent RU 148598 U1, 12/10/2014, B01F 11/00; Patent RU 148599 U1, 12/10/2014 , B01F 11/00; Patent RU 148600 U1, 12/10/2014, B01F 9/00; Patent RU 148601 U1, 12/10/2014, B01F 11/00) containing a rotating drum with blades and a rotation drive mounted in a support inside the drum cantilever is a vibrator with kinematic excitation of oscillations and a rotation drive, the vibrator is made with a housing, installed on the crankshaft so that its longitudinal axis is 5-10 ° with the axis of the drum, one end of the housing is coaxially connected to the bottom of the drum using an elastic element, and the second is supported by a spherical bearing on the connecting rod support of the crankshaft, on which the imbalance made with the function of dynamic balancing of unbalanced masses. In this case, the body of the vibrators are made in the form of metal thin-walled geometric bodies of various shapes.

The main drawback of the design of these mixers is the lack of providing a set of essential features of these devices with a new property, which consists in creating a vibration field corresponding in shape to the contour of a truncated regular quadrangular pyramid with stiffeners on each of its faces.

The technical result is to expand the arsenal of technical means and ensure the achievement of new properties by the claimed objects. That is, the realization of the possibility of creating a vibration field mixing on the entire volume of the mixing chamber is ensured, corresponding in shape to the contour of a truncated regular quadrangular pyramid with stiffeners on each of its faces and increased intensification of the mixing process as a whole.

The technical result is achieved by the fact that a gravitational mixer containing a rotating drum with blades and a rotation drive installed in the support, a vibrator with kinematic excitation of oscillations and a rotation drive is cantilevered inside the drum. The vibrator is made with a housing mounted on the crankshaft so that its longitudinal axis is 5-10 ° with the axis of the drum. One end of the housing is coaxially connected to the bottom of the drum by means of an elastic element, and the other is supported by a spherical bearing on the connecting rod support of the crankshaft, on which an imbalance is made, made with the function of dynamic balancing of unbalanced masses. Moreover, the case is made in the form of a thin-walled metal truncated regular quadrangular pyramid, stiffeners are fixed on each of its faces, the function of which is to create additional intensifying effects on the mixed materials.

The essence of the utility model is illustrated by the drawing: in FIG. 1 shows a diagram of a gravitational mixer.

The gravity mixer contains a rotating drum 1 with blades 2 and a rotation drive 3 installed in the support 4, a vibrator 5 with cinematic excitation of vibrations and a rotation drive 6 is cantilevered inside the drum. The vibrator is made with a housing 7 mounted on the crankshaft 8 so that its longitudinal axis is 5-10 ° with the axis of the drum. One end of the housing 7 is coaxially connected to the bottom of the drum using an elastic element 9, and the second is supported by a spherical bearing on the connecting rod support 10 of the crankshaft, on which an imbalance 11 is placed, made with the function of dynamic balancing of unbalanced masses. Moreover, the housing 7 is made in the form of a thin-walled metal truncated regular quadrangular pyramid, on each face of which ribs 12 are fixed, the function of which is to create additional intensifying effects on the mixed materials.

The device operates as follows: when the actuators 3 and 6 are turned on, the rotating drum 1 and the vibrator 5 acquire a working movement. The mixture, lifted by the blades 2 upward under the action of gravitational forces, enters the housing 7 of the vibrator 5. In contact with the housing 7, made in the form of a thin-walled metal truncated regular quadrangular pyramid, the structure of the mixture is destroyed, which intensifies the mixing process. Moreover, the effect on the mixed materials also occurs through stiffening ribs 12, which has an additional effect on increasing the intensification of the mixing process as a whole.

The use of a vibrator with a housing of the proposed design ensures the constancy of vibration parameters, does not depend on the structural and rheological properties of the mixture and expands the range of mixed materials.

The inventive design exhibits new properties not known in the art. The essential features are technical in nature and are identifiable. The set of essential features of the claimed device is necessary and sufficient to obtain the required technical result. The claimed combination of features provides an unexpected, unusual ultramodern technical result that exceeds the technical result obtained from each significant feature separately in relation to objects of the specified purpose. The inventive object provides a change in the prior art by non-obvious means, gives the objects new positive properties, satisfies long-term demand and increases the competitiveness of the patented object. Between the essential features of the claimed decision and the achieved technical result, there is a causal relationship. The set of essential features of the proposed solution provides a new unusual principle of operation of objects, which is as effective as possible for objects of this purpose.

Claims (1)

A gravity mixer containing a rotating drum with blades and a rotation drive installed in a support, a vibrator with kinematic excitation of vibrations and a rotation drive is cantilevered inside the drum, the vibrator is made with a housing mounted on the crankshaft so that its longitudinal axis makes 5- with the axis of the drum 10 °, one end of the housing is coaxially connected to the bottom of the drum using an elastic element, and the second is supported by a spherical bearing on the connecting rod support of the crankshaft, on which the disc Lance made with the function of dynamic balancing of unbalanced masses, characterized in that the body is made in the form of a thin-walled metal truncated regular quadrangular pyramid, on each of whose faces stiffeners are fixed, the function of which is to create additional intensifying effects on the mixed materials.

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