Multi-stage screening device for aggregate preparation

Abstract

The utility model relates to the technical field of screening equipment, in particular to a multistage screening device for aggregate preparation. According to the technical scheme, the device comprises a shell, connecting covers, communicating holes and supporting plates, connecting plates which are distributed in parallel at equal intervals are installed on the two sides of the inner wall of the shell, the communicating holes which are distributed in parallel at equal intervals are formed in the shell, the connecting covers which are distributed in parallel at equal intervals are installed on the outer wall of the shell, and electric push rods are installed on one sides of the inner walls of the connecting covers; a supporting plate is installed on the outer wall of one end of the electric push rod, a filter screen is arranged in the supporting plate, and a maintenance plate is arranged on one side of the outer wall of the upper end of the connecting cover, by arranging the electric push rod, the filter plate and the maintenance plate, the effect of conveniently maintaining the filter screen is achieved, the use state of the filter screen is guaranteed, and the maintenance difficulty of the filter screen is reduced; the maintenance efficiency of the filter screen is improved, and the working intensity of workers is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of screening equipment, in particular to a multi-stage screening device for aggregate preparation. Background Technique

[0002] Recycled aggregate is obtained by crushing construction waste, preliminary screening, and finally grading the aggregate according to the particle size. Then, corresponding processes are carried out for different aggregates, and then it is reused. Therefore, screening can determine the size of the aggregate.

[0003] Patent Publication No. CN219442446U discloses a multi-stage screening device for building recycled aggregate. Both sides of the screening box are equally spaced with through grooves, and a moving frame adapted to the through grooves is slidably installed inside the screening box. A filter screen is installed inside the moving frame. Electric telescopic rods for driving the moving frame to move are equally spaced on the support frame. A rotating cylinder in rolling connection with the filter screen is rotatably installed at the position of the through groove inside the screening box, and a brush is wrapped on the outer surface of the rotating cylinder. By driving the moving frame to slide inside the screening box, the left and right sliding of the filter screen is realized, which is beneficial to the rolling of the aggregate on the filter screen and can accelerate the screening of the aggregate. In addition, the sliding of the filter screen further enables the rotating cylinder to roll on it, and the filter screen is flushed by the brush on the rotating cylinder, so as to prevent the filter screen from being blocked by the aggregate and improve the screening efficiency of the filter screen.

[0004] In the prior art CN219442446U during use, although there are many benefits, there are still the following problems. It is not convenient to replace and maintain the filter screen, which affects the maintenance efficiency of the filter screen and results in a relatively high working intensity for the staff. Content of the Utility Model

[0005] The purpose of the utility model is to provide a multi-stage screening device for aggregate preparation to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A multi-stage screening device for aggregate preparation, including a housing, a connection cover, communication holes, and a support plate. On both sides of the inner wall of the housing, connecting plates are installed in an equally spaced and parallel distribution. Communication holes are arranged in an equally spaced and parallel distribution inside the housing. Connection covers are installed on the outer wall of the housing in an equally spaced and parallel distribution. An electric push rod is installed on one side of the inner wall of the connection cover. A support plate is installed on the outer wall of one end of the electric push rod. A filter screen is arranged inside the support plate. An inspection plate is arranged on one side of the outer wall of the upper end of the connection cover.

[0007] When using a multi-stage screening device for preparing aggregates in this technical solution, the electric push rod drives the support plate to move horizontally until the support plate enters between the connecting plates, and the sealing gasket ensures the sealing between the support plate and the connecting plates. The material enters the interior of the housing through the feed hopper, and the vibration motor drives the housing and the filter screen to vibrate, so that the material is screened through the filter screen. The screened material is discharged through the discharge pipe, ensuring the multi-stage screening of the material. After the electric push rod drives the support plate to reset, the staff can maintain the filter screen inside the connecting cover by opening the inspection plate to ensure the service state of the filter screen.

[0008] Preferably, discharge pipes are inserted and installed on the outer wall of the housing in equidistant and parallel distribution, and the discharge pipes are communicated with the interior of the housing. The material screened inside the housing is discharged through the discharge pipes.

[0009] Preferably, a feed hopper is inserted and installed on one side of the outer wall at the upper end of the housing, and the feed hopper is communicated with the interior of the housing. The material enters the interior of the housing through the feed hopper.

[0010] Preferably, bases are installed at the four corners of the outer wall at the lower end of the housing, and a vibration motor is installed on one side of the outer wall at the upper end of the housing. The bases ensure the stability of the vibration position of the housing, and the vibration motor drives the housing to vibrate.

[0011] Preferably, the connecting cover corresponds to the position of the communication hole, and the inner diameter of the connecting cover is consistent with the inner diameter of the communication hole.

[0012] Preferably, sealing gaskets are fixedly attached to the outer walls on both sides of the support plate, and the sealing gaskets are in contact with the inner wall of the connecting cover. The support plate ensures the sealing between it and the connecting plate through the sealing gaskets.

[0013] Preferably, a baffle is installed on the outer wall at one end of the support plate, and the baffle is located inside the communication hole. The baffle can block the communication hole to ensure the sealing inside the connecting cover when the filter screen is not in use.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows: By setting an electric push rod, a filter plate and an inspection plate, the present utility model achieves the effect of facilitating the maintenance of the filter screen. The electric push rod drives the support plate to move horizontally until the support plate enters between the connecting plates, and the sealing gasket ensures the sealing between the support plate and the connecting plates. The material enters the interior of the housing through the feed hopper, and the vibration motor drives the housing and the filter screen to vibrate, so that the material is screened through the filter screen. The screened material is discharged through the discharge pipe, ensuring the multi-stage screening of the material. After the electric push rod drives the support plate to reset, the staff can maintain the filter screen inside the connecting cover by opening the inspection plate to ensure the service state of the filter screen, reducing the maintenance difficulty of the filter screen, improving the maintenance efficiency of the filter screen, and reducing the working intensity of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic external view of the housing structure of the present utility model;

[0016] Figure 2 is a schematic cross-sectional view of the housing structure of the present utility model;

[0017] Figure 3 is a schematic cross-sectional view of the connection cover structure of the present utility model;

[0018] Figure 4 is an enlarged schematic view of the support plate structure of the present utility model.

[0019] In the figure: 1. Housing; 11. Discharge pipe; 12. Base; 13. Feed hopper; 14. Vibration motor; 15. Connecting plate; 16. Communication hole; 2. Connection cover; 21. Electric push rod; 22. Support plate; 23. Filter screen; 24. Sealing gasket; 25. Baffle. Specific embodiments

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0021] Please refer to Figures 1-4 , two embodiments provided by the present utility model:

[0022] Embodiment 1: A multi-stage screening device for aggregate preparation, including a housing 1, a connection cover 2, a communication hole 16, and a support plate 22. On both sides of the inner wall of the housing 1, connecting plates 15 are installed at equal intervals and in parallel. Communication holes 16 are arranged at equal intervals and in parallel inside the housing 1. Connection covers 2 are installed on the outer wall of the housing 1 at equal intervals and in parallel. An electric push rod 21 is installed on one side of the inner wall of the connection cover 2. The screening device of the present utility model also needs to provide an electric push rod 21 and a vibration motor 14 to enable it to work properly. And as is well known to those skilled in the art, the provision of the electric push rod 21 and the vibration motor 14 is common, and they both belong to conventional means or common knowledge, so they will not be elaborated here. Those skilled in the art can make any selection according to their needs or convenience. One end of the outer wall of the electric push rod 21 is installed with a support plate 22, a filter screen 23 is arranged inside the support plate 22, and a maintenance plate 26 is arranged on one side of the upper outer wall of the connection cover 2.

[0023] Discharge pipes 11 are inserted and installed on the outer wall of the housing 1 at equal intervals and in parallel, and the discharge pipes 11 are communicated with the inside of the housing 1. The screened materials inside the housing 1 are discharged through the discharge pipes 11.

[0024] On one side of the outer wall at the upper end of the housing 1, a feed hopper 13 is inserted and installed, and the feed hopper 13 is communicated with the inside of the housing 1. Materials enter the inside of the housing 1 through the feed hopper 13. The electric push rod 21 pushes the support plate 22 to move horizontally until the support plate 22 enters between the connecting plates 15, and the sealing gasket 24 ensures the sealing between the support plate 22 and the connecting plate 15. Materials enter the inside of the housing 1 through the feed hopper 13, and the vibration motor 14 drives the housing 1 and the filter screen 23 to vibrate, so that the materials are screened through the filter screen 23, and the screened materials are discharged through the discharge pipe 11, ensuring the multi-stage screening of the materials.

[0025] Embodiment 2: A multi-stage screening device for aggregate preparation, including a housing 1, a connecting cover 2, communication holes 16 and a support plate 22. On both sides of the inner wall of the housing 1, connecting plates 15 are installed in an equidistant and parallel distribution. Communication holes 16 are arranged in an equidistant and parallel distribution inside the housing 1. Connecting covers 2 are installed on the outer wall of the housing 1 in an equidistant and parallel distribution. On one side of the inner wall of the connecting cover 2, an electric push rod 21 is installed. On the outer wall of one end of the electric push rod 21, a support plate 22 is installed. A filter screen 23 is arranged inside the support plate 22. On one side of the outer wall at the upper end of the connecting cover 2, an inspection plate 26 is arranged.

[0026] Discharge pipes 11 are inserted and installed on the outer wall of the housing 1 in an equidistant and parallel distribution, and the discharge pipes 11 are communicated with the inside of the housing 1. The screened materials inside the housing 1 are discharged through the discharge pipes 11.

[0027] On one side of the outer wall at the upper end of the housing 1, a feed hopper 13 is inserted and installed, and the feed hopper 13 is communicated with the inside of the housing 1. Materials enter the inside of the housing 1 through the feed hopper 13.

[0028] At the four corners of the outer wall at the lower end of the housing 1, bases 12 are installed respectively. On one side of the outer wall at the upper end of the housing 1, a vibration motor 14 is installed. The bases 12 ensure the stability of the vibration position of the housing 1, and the vibration motor 14 drives the housing 1 to vibrate.

[0029] The connecting cover 2 corresponds to the position of the communication hole 16, and the inner diameter of the connecting cover 2 is consistent with the inner diameter of the communication hole 16.

[0030] Sealing gaskets 24 are fixedly attached to both outer walls of the support plate 22, and the sealing gaskets 24 are in contact with the inner wall of the connecting cover 2. The support plate 22 ensures the sealing with the connecting plate 15 through the sealing gaskets 24.

[0031] One end of the outer wall of the support plate 22 is provided with a baffle 25, and the baffle 25 is located inside the communication hole 16. The baffle 25 can block the communication hole 16 to ensure the sealing performance inside the connecting cover 2 when the filter screen 23 is not in use. The electric push rod 21 drives the support plate 22 to move horizontally until the support plate 22 enters between the connecting plates 15, and the sealing gasket 24 ensures the sealing performance between the support plate 22 and the connecting plates 15. The material enters the inside of the housing 1 through the feed hopper 13, and the vibration motor 14 drives the housing 1 and the filter screen 23 to vibrate, so that the material is screened through the filter screen 23. The screened material is discharged through the discharge pipe 11, ensuring the multi-stage screening of the material. After the electric push rod 21 drives the support plate 22 to reset, the staff can maintain the filter screen 23 inside the connecting cover 2 by opening the inspection plate 26, ensuring the use state of the filter screen 23, reducing the maintenance difficulty of the filter screen 23, improving the maintenance efficiency of the filter screen 23, and reducing the working intensity of the staff.

[0032] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and without departing from the spirit or basic characteristics of the present invention, the present invention can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be encompassed within the present invention. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A multi-stage screening device for aggregate preparation, comprising a housing (1), a connecting cover (2), a communicating hole (16) and a supporting plate (22), characterized in that: Both sides of the inner wall of the shell (1) are provided with equidistantly distributed connecting plates (15), the shell (1) is provided with equidistantly distributed connecting holes (16), the outer wall of the shell (1) is provided with equidistantly distributed connecting covers (2), one side of the inner wall of the connecting cover (2) is provided with an electric push rod (21), one end of the outer wall of the electric push rod (21) is provided with a support plate (22), a filter screen (23) is provided inside the support plate (22), and one side of the outer wall of the upper end of the connecting cover (2) is provided with an inspection plate (26).

2. The multi-stage screening device for aggregate preparation according to claim 1, characterized in that: Discharge pipes (11) which are equidistantly distributed and parallel to each other are inserted and installed on the outer wall of the outer shell (1), and the discharge pipes (11) are connected to the interior of the outer shell (1).

3. The multi-stage screening device for aggregate preparation according to claim 1, characterized in that: A feed hopper (13) is plugged and installed on one side of the outer wall of the upper end of the shell (1), and the feed hopper (13) is connected to the interior of the shell (1).

4. The multi-stage screening device for aggregate preparation according to claim 1, characterized in that: Bases (12) are installed at the four corners of the outer wall at the lower end of the shell (1), and a vibration motor (14) is installed on one side of the outer wall at the upper end of the shell (1).

5. The multi-stage screening device for aggregate preparation according to claim 1, characterized in that: The connection cover (2) corresponds to the position of the communication hole (16), and the inner diameter of the connection cover (2) is consistent with the inner diameter of the communication hole (16).

6. The multi-stage screening device for aggregate preparation according to claim 1, characterized in that: Sealing pads (24) are fitted and fixed to the outer walls on both sides of the support plate (22), and the sealing pads (24) are in contact with the inner wall of the connection cover (2).

7. The multi-stage screening device for aggregate preparation according to claim 1, characterized in that: A baffle (25) is installed on the outer wall of one end of the support plate (22), and the baffle (25) is located inside the connecting hole (16).

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