CN221017234U

CN221017234U - Multistage sieving device for concrete raw materials

Info

Publication number: CN221017234U
Application number: CN202322552419.5U
Authority: CN
Inventors: 董中军
Original assignee: Jiaxing Zhonglian Concrete Co ltd
Current assignee: Jiaxing Zhonglian Concrete Co ltd
Priority date: 2023-09-20
Filing date: 2023-09-20
Publication date: 2024-05-28
Anticipated expiration: 2033-09-20

Abstract

The utility model discloses a multistage sieving device for concrete raw materials, which comprises a sieving bracket and further comprises: the vibration unit is arranged on the screening bracket and can drive the screening bracket to vibrate, so that the concrete raw material on the screening bracket is screened; the top end of the supporting unit is connected with the screening bracket, and the bottom end of the supporting unit is contacted with the bottom surface and is used for supporting the screening bracket; the collecting unit is arranged below the screening bracket; the screening support is provided with at least two screening plates, a plurality of screening plates are sequentially arranged on the screening support from top to bottom, each screening plate is provided with a screening groove, the screening grooves penetrate through the upper end and the lower end of the screening plate, each screening groove is internally provided with a screening net, the mesh numbers of the two screening nets are different, and the mesh number of the screening net positioned above is smaller than that of the screening net positioned below. According to the utility model, the raw materials can be subjected to multi-stage screening by arranging the screening screens with different meshes.

Description

Multistage sieving device for concrete raw materials

Technical Field

The utility model relates to the field of concrete processing equipment, in particular to a multistage sieving device for concrete raw materials.

Background

Concrete is used as a building base material and plays a vital role in building construction, the concrete is generally formed by mixing water, cement, sand and stones and additives, wherein the quality of the sand and stones plays a decisive role in the quality of the concrete, in the existing concrete production, coarse and fine aggregates are generally directly conveyed into a mixing station from a storage bin, and because some fine aggregates are mixed in the coarse aggregates, the content of the fine aggregates in the produced concrete components is larger than a design value, so that the quality deviation of the concrete is caused, and therefore, the raw materials of the concrete need to be screened.

In the prior art, the application number is: the Chinese patent document of CN202320137124.9 discloses a special concrete raw material conveying device, which has the technical scheme that: the conveyer comprises a conveyer frame and a conveyer belt, wherein the conveyer frame is obliquely arranged, the conveyer belt is arranged on the conveyer frame, a screening assembly is arranged on the conveyer belt, a backflow assembly is arranged on the conveyer frame, a collecting assembly is arranged at the end part of the conveyer frame, the screening assembly screens out damaged ceramsites on the conveyer belt, and the damaged ceramsites enter the collecting assembly under the transmission action of the backflow assembly.

When the concrete raw material conveying device is used, the ceramsite is screened in the ceramsite conveying process, the screening process and the conveying process are performed simultaneously, time and labor are saved, and the production efficiency is improved.

However, the existing concrete raw material conveying device can only remove impurities from raw materials, but cannot carry out multi-stage screening on the raw materials, and the raw materials are screened according to different particle sizes. Therefore, there is a need for an improvement in such a structure to overcome the above-mentioned drawbacks.

Disclosure of utility model

The utility model aims to provide a multistage sieving device for concrete raw materials, which is used for solving the problems that the existing concrete raw material conveying device can only remove impurities from raw materials, but can not carry out multistage sieving on the raw materials, and the raw materials are sieved according to different particle sizes.

The technical aim of the utility model is realized by the following technical scheme:

The utility model provides a concrete raw materials is with multistage device that sieves, includes the branch sieve support, has installation space on the branch sieve support, still includes:

The vibration unit is arranged on the screening bracket and can drive the screening bracket to vibrate, so that the concrete raw material on the screening bracket is screened;

The top end of the supporting unit is connected with the screening bracket, and the bottom end of the supporting unit is contacted with the bottom surface and is used for supporting the screening bracket;

The collecting unit is arranged below the screening bracket and is used for collecting the screened concrete raw materials in a concentrated manner;

Wherein divide and be provided with two at least sieve boards on the sieve support, a plurality of sieve boards from the top down install in proper order on dividing the sieve support, all are equipped with on every sieve board and divide the sieve groove, divide the sieve groove to run through the upper and lower both ends that divide the sieve board, every divides the inslot and all is provided with and divides the screen cloth, and the mesh number of two sieve screens that divide is different, and the mesh number that divides the screen cloth that lies in the top is less than the mesh number that divides the screen cloth that lies in the below, divides the screen cloth through different mesh numbers, can carry out the multistage sieve to the raw materials.

The utility model is further provided with: the screening support includes:

The two mounting plates are symmetrically arranged left and right, and the screening plates are obliquely arranged between the two mounting plates;

And the feeding hopper is connected with the top ends of the two mounting plates, and concrete raw materials can enter the screening plate through the feeding hopper.

The utility model is further provided with: the vibration unit includes:

And the vibrating motors are two in number, the two vibrating motors are respectively arranged on the outer walls of the two mounting plates, and the vibrating motors drive the screening support to vibrate and screen the raw materials.

The utility model is further provided with: the supporting unit is provided with four altogether, and every supporting unit's structure is the same all includes:

The top plate is positioned at the uppermost part of the whole supporting unit and is connected with the outer wall of the mounting plate;

a bottom plate positioned at the lowermost part of the whole supporting unit;

the first end of the elastic piece is connected with the bottom surface of the top plate, and the elastic piece can stretch along the length direction of the elastic piece;

the top end of the connecting plate is connected with the second end of the elastic piece, and the bottom end of the connecting plate is connected with the top surface of the bottom plate.

The utility model is further provided with: the collection unit includes:

The first collecting box is positioned right below the screening bracket;

the second collecting box is positioned at one end of the screening bracket far away from the feeding hopper, and the two collecting boxes are used for collecting raw materials of particles with different diameters.

The utility model is further provided with: the vibration unit is detachably connected with the screening bracket.

In summary, the utility model has the following beneficial effects:

Multistage classifying screen: the screening support is provided with a plurality of screening plates, each screening plate is provided with a screening groove and a screening net, the mesh number of each screening net is different, the mesh number of the screening net positioned above is smaller than that of the screening net positioned below, and raw materials can be distinguished according to particles with different diameters through meshes with different mesh numbers, so that a multi-stage screening is realized, and the sorting accuracy is improved.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic view of a part of the structure of the present utility model.

Fig. 3 is a side view of the present utility model.

Number labels: the screening support 1, the screening plate 2, the screening groove 3, the screening net 4, the mounting plate 5, the feed hopper 6, the vibrating motor 7, the top plate 8, the bottom plate 9, the elastic piece 10, the connecting plate 11, the first collecting box 12 and the second collecting box 13

Detailed Description

In order that the manner in which the above-recited features, advantages, objects and advantages of the utility model are obtained, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

As shown in fig. 1 to 3, the multi-stage sieving device for concrete raw materials provided by the utility model comprises a sieving support 1, wherein an installation space is formed on the sieving support 1, and the multi-stage sieving device also comprises a vibrating unit, a supporting unit and a collecting unit, wherein the vibrating unit is arranged on the sieving support 1 and can drive the sieving support 1 to vibrate through the vibrating unit, so that concrete on the sieving support 1 is sieved; the top end of the supporting unit is connected with the screening bracket 1, and the bottom end of the supporting unit is contacted with the bottom surface and is used for supporting the screening bracket 1; the collecting unit is arranged below the screening bracket 1 and is used for collecting the screened concrete raw materials in a concentrated manner; wherein be provided with two at least minute sieve boards 2 on dividing sieve support 1, a plurality of minute sieve boards 2 from the top down install in proper order on dividing sieve support 1, all be equipped with on every minute sieve board 2 and divide sieve groove 3, divide sieve groove 3 to run through the upper and lower both ends of dividing sieve board 2, all be provided with in every minute sieve groove 3 and divide screen cloth 4, the mesh number of two minute screen cloth 4 is different, the mesh number of minute screen cloth 4 that lies in the top is less than the mesh number of minute screen cloth 4 that lies in the below, divide screen cloth 4 through different mesh numbers, can carry out the multistage sieve to the raw materials, thereby distinguish the raw materials according to the granule of different diameters.

In this embodiment, divide sieve support 1 to include mounting panel 5, feeder hopper 6, wherein mounting panel 5 is two altogether, and two mounting panels 5 are bilateral symmetry setting, divide sieve 2 slope setting between two mounting panels 5, and feeder hopper 6 is connected with the top of two mounting panels 5, and during the use, the concrete raw materials that need divide the sieve pour into feeder hopper 6, and the raw materials gets into under the effect of gravity on dividing sieve 2.

In this embodiment, the vibration unit includes vibrating motor 7, vibrating motor 7 is total two, two vibrating motor 7 install respectively on the outer wall of two mounting panels 5, during the use, start vibrating motor 7, drive and divide sieve support 1 vibration to make the concrete raw materials pass through dividing sieve 4 and accomplish the branch sieve, be equipped with a plurality of screw holes on the vibrating motor 7, vibrating motor 7 passes through the screw hole and installs on dividing sieve support, and through the fixed screw locking, during the installation, can adjust vibrating motor 7's angle, in order to obtain different vibration effect.

In this embodiment, the supporting units are provided with four, each supporting unit has the same structure and comprises a top plate 8, a bottom plate 9, an elastic member 10 and a connecting plate 11, wherein the top plate 8 is located at the uppermost part of the whole supporting unit and is connected with the outer wall of the mounting plate 5, the bottom plate 9 is located at the lowermost part of the whole supporting unit, the elastic member 10 and the connecting plate 11 are located between the top plate 8 and the bottom plate 9, a first end of the elastic member 10 is connected with the bottom surface of the top plate 8, a second end of the elastic member 10 is connected with the top end of the connecting plate 11, the bottom end of the connecting plate 11 is connected with the top surface of the bottom plate 9, the elastic member 10 is a spring, and the spring can be driven to move along the length direction of the spring when the vibrating unit works, so as to screen raw materials.

In this embodiment, the collecting unit comprises a first collecting tank 12, a second collecting tank 13, wherein the first collecting tank 12 is located directly under the screening support 1, the second collecting tank 13 is located at one end of the screening support 1 remote from the feed hopper 6, and the two collecting tanks are used for collecting raw materials of particles with different diameters.

The application process and principle of the utility model are as follows: pouring the concrete raw materials that need to divide the sieve into feeder hopper 6, start vibrating motor 7, vibrating element drives and divides sieve support 1 vibration, concrete raw materials gets into under the action of gravity on dividing sieve plate 2, through dividing the effect of sieve groove 3 and dividing sieve 4, distinguish according to the granule of different diameters, granule that the size is great can't pass the great minute sieve 4 of mesh number, can only get into second collecting box 13 along dividing sieve plate 2, granule that the size is less, can pass twice minute sieve 4 and get into first collecting box 12, the raw materials after dividing the sieve falls into corresponding collecting box through minute sieve 4, realize concentrating the collection, the raw materials after the processing divides the sieve can continue to carry out subsequent processing or use.

In conclusion, the screening device can effectively screen concrete raw materials through the multi-stage screening, so that the particles with different diameters are distinguished and collected intensively, and the processing efficiency and the screening accuracy are improved.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "inner", "outer", "left", "right", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in place when the inventive product is used, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, terms such as "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances. In this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a list of elements is included, and may include other elements not expressly listed.

The above description of the embodiments of the present utility model, which is not related to the present utility model, belongs to the technology known in the art, and may be implemented with reference to the technology known in the art.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a concrete raw materials is with multistage device that sieves, includes the branch sieve support, divide to have installation space on the sieve support, its characterized in that still includes:

The utility model discloses a sieve that divides, divide the sieve support to divide, be provided with two at least and divide the sieve on the sieve support, a plurality of minute sieve from the top down install in proper order on dividing the sieve support, all be equipped with on every minute sieve and divide the sieve groove, divide the sieve inslot to be provided with respectively dividing the screen cloth, two mesh numbers that divide the screen cloth are different, are located the mesh number that divides the screen cloth of top and are less than the mesh number that divides the screen cloth that is located the below, divide the screen cloth through different mesh numbers, can carry out multistage sieve to the raw materials.

2. A multi-stage sieving apparatus for concrete raw materials as claimed in claim 1, wherein said sieving bracket comprises:

the feeder hopper, the feeder hopper is connected with the top of two mounting panels, and concrete raw materials can pass through the feeder hopper, gets into on the branch sieve.

3. A multistage sieving device for a concrete raw material according to claim 2, wherein said vibration unit comprises:

The vibrating motors are two in number, the two vibrating motors are respectively arranged on the outer walls of the two mounting plates, and the vibrating motors drive the screening support to vibrate and screen the raw materials.

4. A multistage sieving device for a concrete raw material according to claim 3, wherein four support units are provided, each of which has the same structure and comprises:

a bottom plate positioned at the lowermost part of the entire supporting unit;

5. A multistage sieving device for a concrete raw material according to claim 4, wherein said collecting unit comprises:

The first collecting box is positioned right below the screening bracket;

6. The multistage sieving device for concrete raw materials according to claim 5, wherein the vibration unit is detachably connected with the sieving bracket.