CN222956829U

CN222956829U - A drum screening machine

Info

Publication number: CN222956829U
Application number: CN202421387910.5U
Authority: CN
Inventors: 张承文; 张元权
Original assignee: Chongqing Baohe Industrial Co ltd
Current assignee: Chongqing Baohe Industrial Co ltd
Priority date: 2024-06-18
Filing date: 2024-06-18
Publication date: 2025-06-10
Anticipated expiration: 2034-06-18

Abstract

The utility model discloses a drum screening machine, comprising a frame, a feeding mechanism is arranged upstream of the frame, a cylindrical screen is arranged downstream of the feeding mechanism and connected, the cylindrical screen is rotatably mounted on the frame, and driven to rotate by a driving mechanism arranged on one side, a plurality of lifting plates are arranged inside the cylindrical screen, and the lifting plates are obliquely arranged on the inner side wall of the cylindrical screen. The drum screening machine of the utility model is provided with a plurality of lifting plates inside the drum screen, and when the material is rotated and filtered, the material attached to the inside of the drum screen can be lifted and turned over, thereby improving the screening efficiency.

Description

Drum screening machine

Technical Field

The utility model belongs to the technical field of fertilizer production, and particularly relates to a drum screening machine.

Background

In modern agricultural production, chemical fertilizers are one of key factors for improving crop yield and quality, the chemical fertilizers involve a plurality of preparation procedures in the production process, screening of materials can be involved in the procedures from raw materials to finished products, when the materials are screened, rotary screening is adopted by a rotary screen, qualified materials are screened from below to enter the next procedure, and unqualified particles are discharged from the tail of the rotary screen to be collected or subjected to another procedure. The existing drum screen is arranged in an inclined mode, so that the screening efficiency is guaranteed, the inclination angle of the existing drum screen is not too large, insufficient screening is easily caused by too large, and the material cannot move forwards easily caused by too small. Therefore, the existing rotary screen is easy to cause the problem that materials are always at the bottom of the rotary screen when the rotary screen rotates in the screening process, the materials are not scattered and all piled up at the bottom, the screening area is small, and then the screening effect is poor.

Disclosure of utility model

Aiming at the defects, the utility model aims to provide a rotary screen machine, which solves the problem that the screening effect is poor when materials are always at the bottom of the rotary screen during rotation of the rotary screen in the prior art.

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:

The utility model provides a drum screening machine, includes the frame, and the upper reaches of frame is equipped with feed mechanism, and feed mechanism's low reaches is equipped with cylinder screen and communicates, cylinder screen rotation is installed in the frame, and through setting up in the actuating mechanism drive rotation in one side, be equipped with a plurality of lifting blade in the cylinder screen, and the lifting blade slope sets up in cylinder screen inside wall.

Adopt above-mentioned structural design, through being equipped with a plurality of lifting blade in the drum sieve, when rotating the filtration to the material, can carry out the material of laminating in the drum sieve inside and raise and overturn, and then can improve screening efficiency.

As a further improvement, the lower frame of the cylinder screen is connected with a conveying device arranged at the downstream to convey the screened materials, the cylinder screen comprises a framework, a connecting shaft and a screen, the screen is arranged on the framework, the connecting shaft penetrates through the framework to be fixedly connected, one end of the connecting shaft is rotatably arranged on a mounting part which is arranged at the upstream position and is fixed on the frame, and the other end of the connecting shaft is connected with a driving mechanism arranged at the downstream.

By adopting the structural design, the two ends of the cylindrical screen are respectively connected with the driving mechanism in a rotating way through the mounting piece, and the driving mechanism drives the cylindrical screen to integrally rotate so as to realize material screening.

As a further improvement, the driving mechanism comprises a first driving motor and a transmission assembly, wherein the first driving motor is fixedly arranged on the frame through a mounting frame and is positioned at one discharging end of the cylinder screen, and the first driving motor is connected with the connecting shaft through a rotating assembly and drives the cylinder screen to rotate.

As a further improvement, the cylinder screen can be divided into a plurality of areas by a framework, and one or more lifting blades are arranged in each area.

By adopting the structural design, the cylinder screen is internally provided with the frameworks which are divided into a plurality of areas, so that the stress intensity of the cylinder screen can be improved, and the efficiency of lifting materials can be improved by internally arranging a plurality of lifting plates, so that the materials are turned over in the rotating process of the cylinder screen, and the screening efficiency is improved.

As a further improvement, the cylinder screen is obliquely arranged, the upstream end part is communicated with the feeding mechanism for feeding, the middle part is automatically screened for blanking, and the downstream end part is provided with an outlet for unscreened materials.

By adopting the structural design, the material can be completely screened as far as possible in the screening process, and meanwhile, the material which does not pass through the screen is discharged from the outlet at the lower end.

As a further improvement, baffles are arranged on the two sides of the cylindrical screen on the frame, and a shielding cover is arranged above the cylindrical screen.

By adopting the structural design, the leakage of materials can be ensured, and sundries can be ensured to enter the cylinder screen to influence the product quality.

As a further improvement, the feeding mechanism comprises a feed bin, the feed bin is connected with a conveying assembly which is obliquely arranged to lift materials, the upper end of the conveying assembly is provided with an obliquely downward sliding plate, and an outlet of the sliding plate is arranged in the upstream end of the cylindrical screen.

As a further improvement, the conveying assembly comprises a conveying belt and a second driving motor for driving the conveying belt to move, and a plurality of limiting convex blocks are uniformly arranged on the conveying belt.

By adopting the structural design, the automatic feeding of materials can be realized, the materials can be screened in the cylinder screen, and meanwhile, the limit lug arranged on the conveyor belt can ensure that the materials can not automatically fall down during conveying.

As a further improvement, the lower end of the sliding plate is provided with a limiting mechanism, the limiting mechanism comprises a limiting roller which is rotatably arranged at the end part of the sliding plate, the limiting roller is spaced from the sliding plate by a certain distance, a hairbrush is arranged on the limiting roller, and the limiting roller is driven to rotate by a third driving motor arranged below.

By adopting the structural design, the limiting mechanism is arranged at the sliding plate, so that the limiting effect on materials can be achieved, too much material feeding is prevented, meanwhile, the material feeding can be assisted by arranging the hairbrush on the limiting roller, and redundant materials on the sliding plate can be cleaned.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the roller screening machine, the plurality of lifting plates are arranged in the roller screen, so that materials attached to the interior of the roller screen can be lifted and turned over when the materials are rotationally filtered, and the screening efficiency can be improved;

2. According to the utility model, the limiting mechanism is arranged at the upstream sliding plate of the rotary screen, so that the materials can be limited, too much material feeding is prevented, meanwhile, the hairbrush is arranged on the limiting roller, the feeding can be assisted when the hairbrush rotates, and the materials on the sliding plate can be cleaned.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

Fig. 2 is an enlarged view at a in fig. 1;

Fig. 3 is an enlarged view at B in fig. 1.

In the figure:

frame 1, baffle 1a, feed mechanism 2, feed bin 2a, conveying subassembly 2b, conveyer belt 21b, second driving motor 22b, lug 23b, slide plate 2c, drum screen 3, skeleton 3a, connecting axle 3b, screen cloth 3c, installed part 3d, export 3e, actuating mechanism 4, first driving motor 4a, transmission subassembly 4b, conveying chain 41b, driven gear 42b, mounting bracket 4c, speed reducer 4d, driving gear 4e, lifting blade 5, stop gear 6, spacing cylinder 6a, brush 6b, third driving motor 6c.

Detailed Description

In order to describe the technical content, the constructional features, the achieved objects and effects of the present utility model in detail, the following description is made in connection with the embodiments and the accompanying drawings.

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1 to 3, a drum screening machine includes a frame 1, a feeding mechanism 2 is disposed at an upstream of the frame 1, a drum screen 3 is disposed at a downstream of the feeding mechanism 2 and is communicated with the feeding mechanism, and the drum screen 3 is rotatably mounted on the frame 1 and is driven to rotate by a driving mechanism 4 disposed at one side. A plurality of lifting blades 5 are arranged in the cylinder screen 3, and the lifting blades 5 are obliquely arranged on the inner side wall of the cylinder screen 3. The lifting blades 5 are arranged in the cylindrical screen 3, and can turn over materials attached to the inside when the cylindrical screen 3 rotates, so that screening efficiency can be improved. In the present embodiment, the direction of the feeding mechanism 2 is defined as the upstream direction.

The lower frame 1 of the cylinder screen 3 is connected with a conveying device arranged at the downstream to convey the screened materials. The cylinder screen 3 comprises a framework 3a, a connecting shaft 3b and a screen 3c, wherein the screen 3c is arranged on the framework 3a, the connecting shaft 3b penetrates through the framework 3a to be fixedly connected, the frameworks 3a are arranged into a plurality of groups, and the corresponding cylinder screen 3 is designed into a disc shape, so that the bearing of the cylinder screen 3 can be guaranteed. And one end of the connecting shaft 3b is rotatably arranged on a mounting piece 3d fixed on the frame 1 at an upstream position, and the other end of the connecting shaft 3b is connected with a driving mechanism 4 arranged at a downstream position. The upper end of the mounting piece 3d is internally provided with the cylindrical screen 3 and is rotationally connected with the connecting shaft 3b, and the lower end of the mounting piece 3d protrudes out of the cylindrical screen 3 and is fixedly connected with the frame 1 below, so that the cylindrical screen 3 is supported. In this embodiment, the cylindrical screen 3 may be divided into a plurality of areas by a framework 3a, and one or more material raising plates 5 are disposed in each area, and the setting positions and numbers of the material raising plates 5 may be changed according to the screening effect.

With continued reference to fig. 2, the driving mechanism 4 includes a first driving motor 4a and a transmission assembly 4b, the first driving motor 4a is fixedly mounted on the frame 1 through a mounting frame 4c and is located at a discharging end of the cylindrical screen 3, and the first driving motor 4a is connected with the connecting shaft 3b through a rotation assembly 4b and drives the cylindrical screen 3 to rotate. The specific structure is as follows, the rotating assembly 4b includes a transmission chain 41b and a driven gear 42b fixedly connected with the end of the connecting shaft 3b, the first driving motor 4a is provided with a speed reducer 4d, the output end of the speed reducer 4d is provided with a driving gear 4e, and the driving gear 4e is in transmission connection with the driven gear 42b through the transmission chain 41 b.

In this embodiment, the cylindrical screen 3 is obliquely arranged, so that the speed of the material entering the downstream can be reduced, and further, the sufficient screening of the material can be ensured, and the smooth entering of the material into the downstream can be ensured. The upstream end part is communicated with the feeding mechanism 2 for feeding, the middle part is automatically screened for blanking, and the downstream end part is provided with an outlet 3e for unscreened net materials. The frame 1 is provided with baffles 1a on two sides of a cylinder screen 3, and a shielding cover is arranged above the cylinder screen 3.

With continued reference to fig. 3, the feeding mechanism 2 includes a bin 2a, the bin 2a is connected with a conveying assembly 2b that is obliquely arranged to lift the material, a sliding plate 2c that is obliquely downward is arranged at the upper end of the conveying assembly 2b, and an outlet of the sliding plate 2c is arranged in the upstream end of the cylindrical screen 3. The conveying assembly 2b comprises a conveying belt 21b and a second driving motor 22b for driving the conveying belt 21b to move, and a plurality of limiting protruding blocks 23b are uniformly arranged on the conveying belt 21b, so that the conveying belt 21b can be separated into a plurality of areas, and the lifting and feeding of the granular materials are facilitated.

Further, the lower extreme of slide board 2c is equipped with stop gear 6, and stop gear 6 is including rotating the spacing cylinder 6a of installing in slide board 2c tip, spacing cylinder 6a and slide board 2c interval certain distance, and the automatic landing of the material of being convenient for gets into in the cylinder screen 3, and is equipped with brush 6b on the spacing cylinder 6a, and brush 6b can play the effect of auxiliary material through along with spacing cylinder 6a rotation in-process, still can clear up the material simultaneously. The limit roller 6a is driven to rotate by a third drive motor 6c provided below.

The working principle of the utility model is as follows:

When the material is sieved by the drum sieving machine, the material is firstly filled into the storage bin 2a, the second driving motor 22b drives the conveying belt 21b to rotate, the material is lifted to the top and then enters the sliding plate 2c, the material automatically slides down and enters the drum sieve 3, and at the moment, the limiting mechanism 6 arranged on the sliding plate 2c plays a limiting role to prevent the material from entering too fast or uneven. Simultaneously, the first driving mechanism 4 drives the cylindrical screen 3 to rotate, the materials are screened along with the rotation of the cylindrical screen 3, the screened materials enter the next process from the lower part, and larger particles roll to the end outlet 3e. In the screening process, the lifting blades 5 arranged in the cylindrical screen 3 can play a role in turning materials, prevent the materials from rotating along with the rotation of the cylindrical screen 3, and further improve the screening efficiency.

Variations and modifications to the above would be obvious to persons skilled in the art to which the utility model pertains from the foregoing description and teachings. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the utility model should be also included in the scope of the claims of the utility model. In addition, although specific terms are used in the present specification, these terms are used for convenience of description only and do not limit the present utility model in any way, and other devices identical or similar to the present utility model are used within the scope of the present utility model.

Claims

1. The drum screening machine comprises a frame (1), wherein a feeding mechanism (2) is arranged at the upstream of the frame (1), a cylindrical screen (3) is arranged at the downstream of the feeding mechanism (2) and communicated with the feeding mechanism, and the drum screening machine is characterized in that the cylindrical screen (3) is rotatably arranged on the frame (1) and is driven to rotate by a driving mechanism (4) arranged at one side, a plurality of lifting blades (5) are arranged in the cylindrical screen (3), and the lifting blades (5) are obliquely arranged on the inner side wall of the cylindrical screen (3);

The lower frame (1) of cylinder screen (3) is connected with the conveyer that the low reaches set up and is carried the material of screening, cylinder screen (3) are including skeleton (3 a), connecting axle (3 b) and screen cloth (3 c), screen cloth (3 c) are installed on skeleton (3 a), and connecting axle (3 b) pass skeleton (3 a) fixed connection, and on installing installed mounting (3 d) on frame (1) of the one end rotation of connecting axle (3 b) in the upstream position, the other end of connecting axle (3 b) is connected with actuating mechanism (4) that the low reaches set up.

2. A drum screening machine according to claim 1, characterized in that the driving mechanism (4) comprises a first driving motor (4 a) and a transmission assembly (4 b), the first driving motor (4 a) is fixedly arranged on the frame (1) through a mounting frame (4 c) and is positioned at the discharging end of the drum screen (3), and the first driving motor (4 a) is connected with the connecting shaft (3 b) through the transmission assembly (4 b) and drives the drum screen (3) to rotate.

3. A drum screen as claimed in claim 1, characterized in that the drum screen (3) is divided into a number of zones by means of a framework (3 a), each zone being provided with one or more of the material lifting blades (5).

4. A drum screen according to claim 1, characterized in that the drum screen (3) is arranged obliquely, the upstream end is connected to the feed mechanism (2) for feeding, the middle is automatically screened for blanking, and the downstream end is provided with an outlet (3 e) for unscreened material.

5. A drum screening machine according to claim 1, characterized in that the frame (1) is provided with baffles (1 a) on both sides of the drum screen (3), and a shielding cover is arranged above the drum screen (3).

6. A drum screening machine according to claim 1, characterized in that the feeding mechanism (2) comprises a bin (2 a), the bin (2 a) is connected with a conveying assembly (2 b) which is obliquely arranged to lift the material, the upper end of the conveying assembly (2 b) is provided with an obliquely downward sliding plate (2 c), and the outlet of the sliding plate (2 c) is arranged in the upstream end of the drum screen (3).

7. A drum screening machine according to claim 6, characterized in that the conveyor assembly (2 b) comprises a conveyor belt (21 b) and a second drive motor (22 b) for driving the conveyor belt (21 b) to move, and that the conveyor belt (21 b) is uniformly provided with a plurality of limit projections (23 b).

8. A drum screening machine according to claim 6, characterized in that the lower end of the slide plate (2 c) is provided with a limit mechanism (6), the limit mechanism (6) comprises a limit drum (6 a) rotatably arranged at the end of the slide plate (2 c), the limit drum (6 a) is spaced from the slide plate (2 c) by a certain distance, the limit drum (6 a) is provided with a brush (6 b), and the limit drum (6 a) is driven to rotate by a third driving motor (6 c) arranged below.