CN221413876U - A small eccentric cylindrical vibrating screen - Google Patents

Abstract

The utility model discloses a small eccentric cylindrical vibrating screen, which mainly comprises a box body, a screen cylinder, a spring, a feed inlet, a motor, a coupler, a bearing, a driving Z-shaped rod, a fine grain discharge port, a coarse grain discharge port, a rotating main shaft and a driven Z-shaped rod. The screen cylinder is connected with the rotating main shaft through a spring, and the rotating main shaft is connected with the driving Z-shaped rod and the driven Z-shaped rod through a coupler; the driving Z-shaped rod is connected with the motor through a coupler and is fixed on the box body through a bearing, and the driven Z-shaped rod is fixed on the box body through a bearing; the motor drives the driving Z-shaped rod to enable the screen drum to eccentrically rotate, so that materials are effectively screened, and coarse and fine particle discharge ports are used for conveying particles with different sizes in a grading manner. The utility model provides a novel cylinder screen movement mode, which enables a cylinder screen to realize material screening and conveying under the action of rotation and vibration through the design of an eccentric structure, effectively solves the problem that the cylinder screen is easy to block holes, and improves screening efficiency.

Description

A small eccentric cylindrical vibrating screen

Technical Field

The utility model relates to the technical field of vibrating screen equipment, specifically a small eccentric cylindrical vibrating screen

Background technique

Vibrating screen is a filtering mechanical separation equipment, mainly used to screen materials or separate solids and liquids; according to its motion trajectory, the vibrating screen can be divided into linear vibrating screen, circular vibrating screen, translational elliptical vibrating screen, etc. The existing cylindrical vibrating screen mainly relies on the cylindrical screen rotating around the axis of the cylinder to screen materials, but due to its large size, low speed, single vibration mode and other disadvantages, it is easy to cause the screen to be blocked, resulting in low screening efficiency.

Utility Model Content

1. Technical issues to be solved

In view of the deficiencies in the prior art, the utility model provides a small eccentric cylindrical vibrating screen, the screen drum of which has both rotation and vibration functions, effectively solving the problems of easy blockage of holes and low screening efficiency of the existing cylindrical screen.

(II) Technical solution

To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a small eccentric cylindrical vibrating screen, characterized in that it includes a box body, a screen cylinder, a spring, a guide cylinder, a left end bearing cover, a motor seat, a motor, a main coupling, a left end bearing, a left end bearing seat, a feed port, an active Z-shaped rod, a left end coupling, a fine particle discharge port, a coarse particle discharge port, a rotating main shaft, a right end coupling, a right end bearing cover, a right end bearing, a right end bearing seat and a driven Z-shaped rod, the motor seat, the left end bearing cover, the left end bearing seat, the right end bearing cover and the right end bearing seat are fixed on the box body, the motor is installed on the motor seat, the left end bearing is installed in the left end bearing seat, the right end bearing is installed in the right end bearing seat, the left end bearing cover is arranged on the left side of the left end bearing seat, and the right end bearing cover is arranged on the right side of the right end bearing seat.

Preferably, the feed inlet is arranged on the left side of the box body, the fine particle discharge port is arranged at the bottom of the box body, and the coarse particle discharge port is arranged on the right side of the box body.

Preferably, the left end of the rotating main shaft is connected to the active Z-rod through a left end coupling, the right end of the rotating main shaft is connected to the driven Z-rod through a right end coupling, the active Z-rod is connected to the motor through a main coupling and is fixed to the box through a left end bearing, and the driven Z-rod is fixed to the box through a right end bearing.

Preferably, the rotating main shaft is connected to the screen cylinder via springs, 18 springs are provided in total, and 6 springs are evenly distributed on the rotating main shaft in a group, and the material guide cylinder is welded to the front end of the screen cylinder to guide the material.

Preferably, the screen cylinder, spring, material guide cylinder, left end bearing cover, motor seat, motor, main coupling, left end bearing, left end bearing seat, active Z-rod, left end coupling, rotating main shaft, right end coupling, right end bearing cover, right end bearing, right end bearing seat and driven Z-rod are placed in a downward tilt, so that the vibrating screen has the function of automatically conveying materials while screening materials.

Preferably, the motor drives the active Z-shaped rod, and then drives the rotating main shaft, so that the screen drum rotates eccentrically. Since the screen drum is connected to the rotating main shaft through a spring, vibration is generated during the rotation to improve the screening efficiency.

(III) Beneficial effects

Compared with the prior art, the utility model provides a small eccentric cylindrical vibrating screen, which has the following beneficial effects:

1. The utility model makes the screen drum rotate eccentrically by interconnecting the screen drum, spring, motor seat, motor, main coupling, left end bearing, left end bearing seat, left end bearing cover, active Z-rod, left end coupling, rotating main shaft, right end coupling, right end bearing, right end bearing seat, right end bearing cover and driven Z-rod, so as to effectively solve the problems of easy blockage of holes and low screening efficiency of cylindrical screen.

2. The utility model places the main components such as the rotating main shaft and the screen drum in a downward tilted manner, so that the drum screen has the function of automatic transportation while screening materials, thereby improving the screening efficiency.

3. The connection between the screen drum and the rotating main shaft of the utility model is different from the rigid connection of the existing cylindrical screen. A spring connection is adopted, so that the cylindrical screen generates vibration while rotating eccentrically, thereby enhancing the material screening effect.

4. The utility model has a simple structure, small size, simple operation, convenient maintenance, and is suitable for popularization and use.

BRIEF DESCRIPTION OF THE DRAWINGS

Figure 1 is a schematic diagram of the overall structure of the utility model;

FIG. 2 is a schematic diagram of the structure of a circular screen drum according to the present invention.

In the figure: 1 box body, 2 screen drum, 3 spring, 4 guide cylinder, 5 left end bearing cover, 6 motor seat, 7 motor, 8 main coupling, 9 left end bearing, 10 left end bearing seat, 11, feed inlet, 12 active Z-shaped rod, 13 left end coupling, 14 fine particle discharge port, 15 coarse particle discharge port, 16 rotating main shaft, 17 right end coupling, 18 right end bearing cover, 19 right end bearing, 20 right end bearing seat, 21 driven Z-shaped rod.

Detailed ways

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Please refer to Figures 1 and 2, a small eccentric cylindrical vibrating screen includes a box body 1, a screen drum 2, a spring 3, a guide drum 4, a left end bearing cover 5, a motor seat 6, a motor 7, a main coupling 8, a left end bearing 9, a left end bearing seat 10, a feed port 11, an active Z-shaped rod 12, a left end coupling 13, a fine particle discharge port 14, a coarse particle discharge port 15, a rotating main shaft 16, a right end coupling 17, a right end bearing cover 18, a right end bearing 19, and a right end bearing seat 20 and a driven Z-shaped rod 21, the motor seat 6, the left end bearing cover 5, the left end bearing seat 10, the right end bearing cover 18 and the right end bearing seat 20 are fixed on the box body 1, the motor 7 is installed on the motor seat 6, the left end bearing 9 is installed in the left end bearing seat 10, the right end bearing 19 is installed in the right end bearing seat 20, the left end bearing cover 5 is arranged on the left side of the left end bearing seat 10, and the right end bearing cover 18 is arranged on the right side of the right end bearing seat 20. The feed port 11 is arranged on the left side of the box body 1, the fine particle discharge port 14 is arranged at the bottom of the box body 1, and the coarse particle discharge port 15 is arranged on the right side of the box body 1. The left end of the rotating main shaft 16 is connected to the active Z-shaped rod 12 through the left end coupling 13, and the right end of the rotating main shaft 16 is connected to the driven Z-shaped rod 21 through the right end coupling 17. The active Z-shaped rod 12 is connected to the motor 7 through the main coupling 8 and is fixed to the box body 1 through the left end bearing 9, and the driven Z-shaped rod 21 is fixed to the box body 1 through the right end bearing 19. The rotating main shaft 16 is connected to the screen drum 2 through springs 3, and a total of 18 springs 3 are provided, and each group of 6 springs is equidistantly distributed on the rotating main shaft 16. The guide cylinder 4 is welded to the front end of the screen drum 2 to guide the material. The screen drum 2, spring 3, guide drum 4, left end bearing cover 5, motor seat 6, motor 7, main coupling 8, left end bearing 9, left end bearing seat 10, active Z-shaped rod 12, left end coupling 13, rotating main shaft 16, right end coupling 17, right end bearing cover 18, right end bearing 19, right end bearing seat 20 and driven Z-shaped rod 21 are placed in a downward tilt, so that the vibrating screen has the function of automatically conveying materials while screening materials. The motor 7 drives the active Z-shaped rod 12, and then drives the rotating main shaft 16, so that the screen drum 2 rotates eccentrically. Since the screen drum 2 is connected to the rotating main shaft 16 through the spring 3, it will also generate vibration while rotating to improve the screening efficiency.

When in use, the user first uses the conveying pipe to convey the material from the feed port 11 to the guide cylinder 4, turns on the motor 7, and the motor 7 drives the rotating main shaft 16 to rotate. The material flows into the screen cylinder 2 under the guiding action of the guide cylinder. The screen cylinder 2 rotates eccentrically. The flexible connection between the screen cylinder 2 and the rotating main shaft 16 causes vibration while rotating, which is not easy to cause the screen mesh to be blocked. Since the screen cylinder is placed at an angle to the horizontal plane, the material can be automatically conveyed while screening. Fine particles are discharged from the screen into the fine particle discharge port 14, and coarse particles enter the coarse particle discharge port 15 as the screen cylinder moves.

Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A small eccentric cylindrical vibrating screen, characterized in that it comprises a box body (1), a screen drum (2), a spring (3), a guide drum (4), a left end bearing cover (5), a motor seat (6), a motor (7), a main coupling (8), a left end bearing (9), a left end bearing seat (10), a feed port (11), an active Z-shaped rod (12), a left end coupling (13), a fine particle discharge port (14), a coarse particle discharge port (15), a rotating main shaft (16), a right end coupling (17), a right end bearing cover (18), a right end bearing (19), and a right end bearing seat (20) and a driven Z-shaped rod (21), the motor seat (6), the left end bearing cover (5), the left end bearing seat (10), the right end bearing cover (18) and the right end bearing seat (20) are fixed on the box body (1), the motor (7) is installed on the motor seat (6), the left end bearing (9) is installed in the left end bearing seat (10), the right end bearing (19) is installed in the right end bearing seat (20), the left end bearing cover (5) is arranged on the left side of the left end bearing seat (10), and the right end bearing cover (18) is arranged on the right side of the right end bearing seat (20). 2. A small eccentric cylindrical vibrating screen according to claim 1, characterized in that: the feed port (11) is arranged on the left side of the box body (1), the fine particle discharge port (14) is arranged at the bottom of the box body (1), and the coarse particle discharge port (15) is arranged on the right side of the box body (1). 3. A small eccentric cylindrical vibrating screen according to claim 1, characterized in that: the left end of the rotating main shaft (16) is connected to the active Z-shaped rod (12) through a left end coupling (13), and the right end of the rotating main shaft (16) is connected to the driven Z-shaped rod (21) through a right end coupling (17), the active Z-shaped rod (12) is connected to the motor (7) through a main coupling (8), and is fixed to the housing (1) through a left end bearing (9), and the driven Z-shaped rod (21) is fixed to the housing (1) through a right end bearing (19). 4. A small eccentric cylindrical vibrating screen according to claim 1, characterized in that: the rotating main shaft (16) is connected to the screen cylinder (2) through springs (3), a total of 18 springs (3) are arranged, and each group of 6 springs are equidistantly distributed on the rotating main shaft (16), and the material guide cylinder (4) is welded to the front end of the screen cylinder (2) to guide the material. 5. A small eccentric cylindrical vibrating screen according to claim 1, characterized in that: the screen drum (2), spring (3), guide cylinder (4), left end bearing cover (5), motor seat (6), motor (7), main coupling (8), left end bearing (9), left end bearing seat (10), active Z-shaped rod (12), left end coupling (13), rotating main shaft (16), right end coupling (17), right end bearing cover (18), right end bearing (19), right end bearing seat (20) and driven Z-shaped rod (21) are placed in a downward tilt, so that the vibrating screen has the function of automatically conveying materials while screening materials. 6. A small eccentric cylindrical vibrating screen according to claim 1, characterized in that: the motor (7) drives the active Z-shaped rod (12), and then drives the rotating main shaft (16), so that the screen drum (2) rotates eccentrically. Since the screen drum (2) and the rotating main shaft (16) are connected by a spring (3), vibration will be generated while rotating to improve the screening efficiency.