CN116159742A - A multi-stage screening device for raw materials used in the production of light building materials - Google Patents

Abstract

The invention discloses a multi-stage screening device for raw materials used in the production of light building materials, which comprises a base plate and a plurality of channel-type screen components. The base plate is fixed with a bottom support frame through a column, and A plurality of support frames are arranged in sequence, and the adjacent support frames are fixedly connected by a plurality of support columns, and the bottom support frame is fixedly connected with the bottom support frame by a plurality of support columns; Around the frame, and the height position of each flow channel screen assembly matches the height position of the corresponding support frame, the discharge end of the upper flow channel screen assembly is docked with the feed end of the lower flow channel screen assembly . The present invention synchronously drives each spring assembly to vibrate through the driving element, and each spring assembly can drive the corresponding flow channel screen assembly, and one drive element can synchronously drive multiple flow channel screen assemblies to move, and the configuration of the overall power element The cost is relatively low.

Description

A multi-stage screening device for raw materials used in the production of light building materials

technical field

The invention relates to the technical field of screening equipment for building materials, in particular to a multi-stage screening device for raw materials used in the production of light building materials.

Background technique

Lightweight building materials mainly include: lightweight bricks, environmentally friendly lightweight concrete blocks, high-performance lightweight aggregate concrete, lightweight partition boards, and lightweight wallboard materials. The raw materials usually required in the production process of light building materials are: 1. Cementitious material: mainly use ordinary portland cement 42.5 or 32.5; if you want to shorten the production cycle, you can use rapid hardening portland cement or sulfur Aluminate cement; 2. Foaming agent: WE-30 composite foaming agent; 3. Aggregate: fly ash, slag powder, river sand, stone powder, artificial hollow microspheres, blast furnace slag, tailings sand, Aerated slag, etc.; 4. Additives: Add additives such as slurry stabilizer, cement coagulant, and water-resistant agent according to the situation. Before the batching and pulping of lightweight building materials, aggregates usually need screening equipment for multi-stage screening. During the batching and pulping process, aggregates of different particle sizes are mixed according to the preset ratio, so that the final The resulting lightweight construction material has good quality qualities.

The screening equipment for existing aggregates usually adopts a vibrating screen. For example: Chinese invention patent (authorized announcement number: CN212596985U, authorized announcement date: 2021.02.26) discloses a raw material screening mechanism for autoclaved aerated concrete block processing. And through the support of the turntable and the connecting rod, the driving mechanism drives each filter layer to vibrate to increase its screening efficiency, and guides it to filter out different raw materials through each material guide plate to meet the needs of different production and enhance the applicability of the device. At the same time, the use of multiple filter layers and multiple material guide plates improves the screening effect of the device, increases the different selectivity of the device, and effectively improves the practicability of the device.

However, in the actual use of this scheme, since the outlets of the screened materials of each screening mechanism are mostly located on the same side or both sides, it is not conducive to synchronous collection of the screened materials; in addition, the action of each screening mechanism requires Equipped with a set of corresponding vibrating mechanisms (power components), the cost of overall assembly and production of the equipment is relatively high; and it is difficult for users to select a reasonable number of screens for screening operations according to their actual needs.

Contents of the invention

The object of the present invention is to provide a multi-stage screening device for raw materials used in the production of lightweight building materials, so as to solve the problems raised in the above-mentioned background technology.

To achieve the above object, the present invention provides the following technical solutions:

A multi-stage screening device for raw materials used in the production of light building materials, including a base plate and a plurality of channel-type screen components, the base plate is fixed with a bottom support frame through a column, and multiple screens are sequentially arranged above the bottom support frame a support frame, the adjacent support frames are fixedly connected by a plurality of support columns, and the bottom support frame is fixedly connected with the bottom support frame by a plurality of support columns;

A plurality of channel-type screen components are distributed around the support frame, and the height position of each channel-type screen component is adapted to the height position of the corresponding support frame, and the discharge end of the upper channel-type screen component is docked At the feed end of the flow channel screen assembly below, each flow channel screen assembly has a material guide channel for exporting the screened material;

Each channel-type screen assembly is installed on the corresponding support frame or bottom support frame through the corresponding spring assembly;

The bottom supporting frame is installed with a drive element for driving each spring assembly to vibrate synchronously.

As a further solution of the present invention, the runner-type screen assembly includes a runner-type casing and a plug-in screen, the bottom wall of the runner-type casing has a discharge port, and the runner-type casing has a pair of The material guide side wall plate, the lower end of the inner wall of the material guide side wall plate is provided with an insertion guide groove;

Both sides of the plug-in screen are respectively inserted into corresponding plug-in guide grooves, and the positions of the holes on the plug-in screen correspond to the discharge openings.

As a further solution of the present invention, a material guide plate extends from the discharge end of the plug-in screen, and guide side plates extend from both sides of the material guide plate;

The feed end of the plug-in screen is extended with a screen seat plate, and the screen seat plate is fixedly connected with the flow channel casing through bolts.

As a further solution of the present invention, a bottom conical guide cover is docked and fixed at the discharge opening, and the material guide channel is docked and fixed at the bottom outlet end of the bottom conical guide cover.

As a further solution of the present invention, the spring assembly includes a vibration frame, a plurality of spring guide rods and a plurality of springs, and the lower ends of the spring guide rods are distributed and fixed around the upper end surface of the corresponding support frame or the bottom support frame;

The vibrating frame is provided with a plurality of insertion holes for slidingly fitting with the spring guide rod;

One end of the spring is in conflicting connection with the vibrating frame, and the other end of the spring is in conflicting connection with the support frame or the upper end surface of the bottom support frame;

Each flow channel casing is fixedly connected with the side wall of the corresponding vibrating frame respectively.

As a further solution of the present invention, adjacent vibrating frames are butted and fixed through a plurality of intermediate columns.

As a further solution of the present invention, the driving element includes a pulse electromagnet fixedly installed on the bottom support frame, and a magnetic conduction block for cooperating with the pulse electromagnet is fixedly installed at the lower end of the vibration frame at the bottom.

As a further solution of the present invention, there are three supporting frames, four vibrating frames and four runner-type screen assemblies, and quadrilateral frames are used for the vibrating frames and the supporting frames.

Compared with the prior art, the beneficial effect of the present invention is that each spring assembly is synchronously driven to vibrate through the driving element, and each spring assembly can drive the corresponding channel type screen assembly, and multiple flow channels can be synchronously driven by one driving element. The channel-type screen assembly moves, and the configuration cost of the overall power element is relatively low;

In the present invention, the discharge end of the upper flow channel screen assembly is connected to the feed end of the lower flow channel screen assembly, and each flow channel screen assembly has a material guide channel for exporting the screened material , Each flow channel screen assembly can export the screened materials separately while vibrating screen synchronously, and collect them, which is convenient for screening and collection.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of a kind of light building material production raw material multistage screening device;

Fig. 2 is a side structure schematic diagram of a multi-stage screening device for raw materials used in the production of light building materials;

Fig. 3 is a schematic diagram of the first exploded three-dimensional structure of a raw material multi-stage screening device for the production of light building materials;

Fig. 4 is a schematic diagram of the second exploded three-dimensional structure of a multi-stage screening device for raw materials used in the production of light building materials;

Fig. 5 is a three-dimensional structural schematic diagram of a flow channel screen assembly in a multi-stage screening device for raw materials used in the production of light building materials;

Fig. 6 is a schematic diagram of the unfolded three-dimensional structure of a flow channel screen assembly in a multi-stage screening device for raw materials used in the production of light building materials.

In the figure: 100-base plate, 101-column, 1-runner screen assembly, 11-runner casing, 111-insert guide groove, 12-cartridge screen, 121-guided side plate, 122-material guide plate, 123-screen seat plate, 13-bottom conical guide cover, 14-material guide channel, 2-vibration frame, 21-insertion hole, 22-middle column, 3-support frame, 31- Spring guide rod, 32-spring, 33-support column, 4-bottom support frame, 5-pulse electromagnet, 6-magnetic block.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 1-6, the present invention provides a technical solution: a multi-stage screening device for raw materials used in the production of lightweight building materials, including a base plate 100 and a plurality of flow channel screen assemblies 1, the base plate 100 A bottom support frame 4 is fixedly installed on the upper side through a column 101, and a plurality of support frames 3 are sequentially arranged above the bottom support frame 4. Adjacent support frames 3 are fixedly connected by a plurality of support columns 33, and the bottom support frame 3 is connected through multiple support frames. A support column 33 is fixedly connected with the bottom support frame 4;

A plurality of channel-type screen assemblies 1 are distributed around the support frame 3, and the height position of each channel-type screen assembly 1 is adapted to the height position of the corresponding support frame 3, and the upper channel-type screen assembly 1. The discharge end is connected to the feed end of the flow channel screen assembly 1 below, and each flow channel screen assembly 1 has a material guide channel 14 for exporting the screened material;

Each channel-type screen assembly 1 is mounted on the corresponding support frame 3 or bottom support frame 4 through a corresponding spring assembly;

The bottom supporting frame 3 is installed with driving elements for driving the synchronous vibration of each spring assembly.

In this embodiment, there are three supporting frames 3, four vibrating frames 2 and four channel-type screen assemblies 1, and quadrilateral frames are used for the vibrating frames 2 and the supporting frames 3. Obviously, as another solution, there can be N supporting frames, and the number of vibrating frames 2 and runner-type screen assemblies 1 can be set to N+1, and the vibrating frames 2 and supporting frames 3 are specifically N+1 polygonal frames .

The working principle of the present invention is as follows: each spring assembly is synchronously driven to vibrate by a driving element, and each spring assembly can drive the corresponding channel-type screen assembly 1, and a plurality of channel-type screen assemblies 1 can be synchronously driven by one driving element action, the configuration cost of the overall power element is relatively low; in addition, in the present invention, the discharge end of the flow channel type screen assembly 1 above is docked with the feed end of the flow channel type screen assembly 1 below, and each flow channel type Each screen assembly 1 has a material guide channel 14 for exporting the screened material, and each channel-type screen assembly 1 can separately export the screened material for collection while synchronously performing vibratory screening. It is convenient to sieve and collect.

Wherein, the runner-type screen assembly 1 includes a runner-type casing 11 and a plug-in screen 12, the bottom wall of the runner-type casing 11 has a discharge port, and the runner-type casing 11 has a pair of The material guide side wall plate, the lower end of the inner wall of the material guide side wall plate is provided with a plug-in guide groove 111; the two sides of the plug-in screen 12 are respectively inserted in the corresponding plug-in guide grooves 12, and the plug-in screen The mesh position on the net 12 corresponds to the discharge opening.

Specifically, the discharge end of the plug-in screen 12 is extended with a guide plate 122, and the two sides of the guide plate 122 are extended with guide side plates 121; the feed end of the plug-in screen 12 is extended with a screen The seat plate 123 and the screen seat plate 123 are fixedly connected with the flow channel type casing 11 by bolts.

The structure design of the flow channel screen assembly 1 is reasonable, and the plug-in screen 12 is spliced and assembled in a plug-in manner. When the plug-in screen 12 is seriously blocked or damaged and needs to be replaced and cleaned, the plug-in screen 12 The disassembly and assembly operation is convenient.

Specifically, the bottom conical guide cover 13 is docked and fixed at the discharge port, and the material guide channel 14 is docked and fixed at the bottom outlet end of the bottom conical guide cover 13 . The above-mentioned structure is set reasonably, which is convenient for exporting the sieved material.

As a specific solution, the spring assembly includes a vibration frame 2, a plurality of spring guide rods 31 and a plurality of springs 32, and the lower ends of the spring guide rods 31 are distributed and fixed around the upper end surface of the corresponding support frame 3 or bottom support frame 4; The vibrating frame 2 is provided with a plurality of insertion holes 21 for slidingly matching with the spring guide rod 31; one end of the spring 32 is in conflict with the vibrating frame 2, and the other end of the spring 32 is connected with the supporting frame 3 or the bottom supporting frame. The upper end surface of 4 is resistively connected; each flow channel type casing 11 is fixedly connected with the side wall of the corresponding vibrating frame 2 respectively. Adjacent vibrating frames 2 are docked and fixed through a plurality of intermediate columns 22 .

Under the connection and fixation of the middle column 22, drive one of the vibrating frames 2, and cooperate with each spring 32 to drive the other vibrating frames 2 to vibrate up and down synchronously.

Specifically, the driving element includes a pulse electromagnet 5 fixedly installed on the bottom support frame 4 , and a magnetically conductive block 6 for cooperating with the pulse electromagnet 5 is fixedly installed at the lower end of the lowermost vibrating frame 2 . The pulse electromagnet 5 is used to adsorb the magnetic block 6 intermittently, and the vibration of each vibration frame 2 and each channel type screen assembly 1 can be driven synchronously with the cooperation of the spring 32 .

It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only includes an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (8)

1. The utility model provides a multistage screening plant of raw materials for light building material production, includes bed plate (100) and a plurality of runner formula screen assembly (1), its characterized in that: a bottom supporting frame (4) is fixedly arranged on the base plate (100) through upright posts (101), a plurality of supporting frames (3) are sequentially arranged above the bottom supporting frame (4), and the adjacent supporting frames (3) are fixedly connected through a plurality of supporting columns (33);

the flow passage type screen assemblies (1) are distributed around the supporting frame (3), the height position of each flow passage type screen assembly (1) is matched with the height position of the corresponding supporting frame (3), the discharge end of the upper flow passage type screen assembly (1) is abutted against the feed end of the lower flow passage type screen assembly (1), and each flow passage type screen assembly (1) is provided with a guide channel (14) for guiding out screened materials;

each runner type screen assembly (1) is mounted on a corresponding supporting frame (3) or a bottom supporting frame (4) in a matched manner through a corresponding spring assembly;

and a driving element for driving each spring assembly to vibrate synchronously is arranged on the bottom supporting frame (3).

2. A multi-stage screening device for light weight building material production raw materials according to claim 1, wherein: the flow passage type screen assembly (1) comprises a flow passage type shell (11) and an inserting type screen (12), a discharge hole is formed in the bottom wall of the flow passage type shell (11), the flow passage type shell (11) is provided with a pair of material guide side wall plates, and an inserting guide groove (111) is formed in the lower end of the inner wall of each material guide side wall plate;

the two sides of the inserted screen (12) are respectively inserted in the corresponding inserted guide grooves (12), and the mesh positions on the inserted screen (12) correspond to the discharge openings.

3. A multi-stage screening apparatus for light weight building material production raw materials as claimed in claim 2, wherein: the discharging end of the plug-in type screen (12) is extended with a material guide plate (122), and two sides of the material guide plate (122) are extended with guide side plates (121);

the feeding end of the plug-in type screen (12) is extended with a screen seat board (123), and the screen seat board (123) is fixedly connected with the runner type shell (11) through bolts.

4. A multi-stage screening device for raw materials for the production of lightweight building materials according to claim 3, wherein: the bottom conical guide cover (13) is fixedly connected at the discharge hole in a butt joint mode, and the guide channel (14) is fixedly connected at the bottom outlet end of the bottom conical guide cover (13) in a butt joint mode.

5. The multi-stage screening device for raw materials for producing lightweight building materials according to claim 4, wherein: the spring assembly comprises a vibrating frame (2), a plurality of spring guide rods (31) and a plurality of springs (32), wherein the lower ends of the spring guide rods (31) are distributed and fixed on the periphery of the upper end face of the corresponding supporting frame (3) or the lower end face of the bottom supporting frame (4);

a plurality of inserting holes (21) which are used for being in sliding fit with the spring guide rods (31) are formed in the vibration frame (2);

one end of the spring (32) is in abutting connection with the vibration frame (2), and the other end of the spring (32) is in abutting connection with the upper end face of the support frame (3) or the bottom support frame (4);

each runner type shell (11) is fixedly connected with the side wall of the corresponding vibration frame (2).

6. The multi-stage screening device for raw materials for producing lightweight building materials according to claim 5, wherein: the adjacent vibrating frames (2) are in butt joint and fixed through a plurality of middle upright posts (22).

7. The multi-stage screening device for raw materials for producing lightweight building materials according to claim 6, wherein: the driving element comprises a pulse electromagnet (5) fixedly arranged on a bottom supporting frame (4), and a magnetic conduction block (6) matched with the pulse electromagnet (5) is fixedly arranged at the lower end of the lowest vibration frame (2).

8. A raw material multistage screening device for the production of a lightweight construction material according to any one of claims 1 to 7, wherein: the support frames (3) are three, the number of the vibrating frames (2) and the number of the runner type screen assemblies (1) are four, and the vibrating frames (2) and the support frames (3) are quadrilateral frames.

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