Four-bearing circular vibrating screen

Abstract

The utility model relates to the technical field of vibrating screens, and discloses a four-bearing circular vibrating screen which comprises a protection mechanism, a screening mechanism is arranged outside the protection mechanism, the protection mechanism comprises a connecting seat, a mounting groove is formed in the outer surface of the connecting seat, a connecting column is mounted in the mounting groove, and the connecting column is connected with the screening mechanism. A bearing is rotatably mounted on the outer surface of the connecting column, a protective sleeve is arranged outside the bearing, and a screen assembly is arranged at the top of the connecting seat. According to the four-bearing circular vibrating screen, the four mounting grooves are formed in the outer surface of the connecting base, the connecting columns are arranged in the four mounting grooves correspondingly, and the bearings are mounted on the outer surfaces of the connecting columns; and the bearing on the outer surface of the connecting seat can control the vibration amplitude of the screen assembly through the friction protection sleeve, the situation that the screen assembly vibrates for a long time, and consequently a vibration spring falls off is prevented, and the effect of protecting and buffering the screen assembly is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of vibrating screens, in particular to a four-bearing circular vibrating screen. Background Art

[0002] Circular vibrating screen is a new type of vibrating screen with circular vibration, multiple layers and high efficiency. The circular vibrating screen adopts a cylindrical eccentric shaft vibrator and an eccentric block to adjust the amplitude. The material screen has a long flow line and multiple screening specifications. It has the characteristics of reliable structure, strong excitation force, high screening efficiency, low vibration noise, firmness and durability, easy maintenance, and safe use. The vibrating screen is widely used in product classification in mining, building materials, transportation, energy, chemical industry and other industries.

[0003] The base of the circular vibrating screen uses motor vibration to make the screen screen the material. The screen and the base are connected and buffered by springs, but there is no buffer device on the outside of the screen. Long-term work may easily cause the spring at the screen to break, so it is necessary to protect the connection between the screen and the base spring. Utility Model Content

[0004] The utility model aims to provide a four-bearing circular vibrating screen to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a four-bearing circular vibrating screen, comprising a protection mechanism, and a screening mechanism is arranged outside the protection mechanism.

[0006] The protective mechanism includes a connecting seat, an outer surface of the connecting seat is provided with an installation groove, a connecting column is installed inside the installation groove, a bearing is rotatably installed on the outer surface of the connecting column, a protective sleeve is arranged outside the bearing, and a screen assembly is arranged on the top of the connecting seat.

[0007] Preferably, the screen assembly includes a first screen layer, an outer surface of the first screen layer is provided with a first discharge port, a second screen layer is provided on the top of the first screen layer, and an outer surface of the second screen layer is provided with a second discharge port.

[0008] Preferably, the first screen layer is installed on the top of the connecting seat, and a fastening sleeve is arranged between the first screen layer and the second screen layer.

[0009] Preferably, four bearings are provided, and the four bearings are located inside the connecting seat and distributed in a circular array.

[0010] Preferably, the screening mechanism comprises a vibration spring, a base is provided at the bottom of the vibration spring, a vertical vibration motor is provided inside the base, and a support seat is provided at the bottom of the vertical vibration motor.

[0011] Preferably, the base is fixedly mounted on the bottom of the protective cover, and the vibration spring is arranged on the bottom of the connecting seat.

[0012] Preferably, a plurality of the vibration springs are provided, and the plurality of vibration springs are located on the top of the base and distributed in a circular array.

[0013] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0014] First, the outer surface of the connecting seat of the utility model is provided with four installation grooves, and the interior of each of the four installation grooves is provided with a connecting column, so that the bearing is installed on the outer surface of the connecting column. When the screen assembly is vibrated and screened by the vibration spring, the bearing on the outer surface of the connecting seat can control the vibration amplitude of the screen assembly through the friction protection sleeve to prevent the screen assembly from vibrating for a long time and causing the vibration spring to fall off, thereby achieving the effect of protecting and buffering the screen assembly.

[0015] Second, the utility model has multiple vibration springs arranged between the connecting seat and the base, a vertical vibration motor is installed inside the base, a support seat is fixed at the bottom of the base, the support seat can support and fix the base, the vertical vibration motor is energized to vibrate, so that the screen assembly connected to the top of the vibration spring vibrates, thereby achieving the effect of screening the material. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the structure of the utility model from top view;

[0018] Figure 3 This is a bottom-up stereoscopic schematic diagram of the structure of the utility model;

[0019] Figure 4 It is a schematic cross-sectional view of the structure of the utility model.

[0020] Among them: 1. Protection mechanism; 101. Connecting seat; 102. Connecting column; 103. Bearing; 104. Protection sleeve; 2. Screening mechanism; 201. Vibration spring; 202. Base; 203. Vertical vibration motor; 204. Support seat; 3. Screen assembly; 301. First screen layer; 302. Discharge port one; 303. Second screen layer; 304. Discharge port two; 4. Fastening sleeve. DETAILED DESCRIPTION

[0021] 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.

[0022] The utility model provides the following technical solutions:

[0023] Embodiment 1

[0024] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 A four-bearing circular vibrating screen comprises a protection mechanism 1, and a screening mechanism 2 is arranged outside the protection mechanism 1.

[0025] The protective mechanism 1 includes a connecting seat 101, the outer surface of the connecting seat 101 is provided with an installation groove, a connecting column 102 is installed inside the installation groove, a bearing 103 is rotatably installed on the outer surface of the connecting column 102, a protective sleeve 104 is arranged outside the bearing 103, and a screen assembly 3 is arranged on the top of the connecting seat 101.

[0026] The screen assembly 3 comprises a first screen layer 301 , an outer surface of which is provided with a discharge port 1 302 , a second screen layer 303 is provided on the top of the first screen layer 301 , and an outer surface of the second screen layer 303 is provided with a discharge port 2 304 .

[0027] The first screen layer 301 is installed on the top of the connecting seat 101 , and a fastening sleeve 4 is arranged between the first screen layer 301 and the second screen layer 303 .

[0028] Four bearings 103 are provided, and the four bearings 103 are located inside the connecting seat 101 and distributed in a circumferential array.

[0029] Through the above technical solution, when the circular vibrating screen screens the material, the protective mechanism 1 can buffer and protect the vibration amplitude of the screen when the screen assembly 3 vibrates, thereby increasing the service life of the screen connection. The screening mechanism 2 can vibrate and screen the screen assembly 3. A first screen layer 301 and a second screen layer 303 are arranged on the top of the connecting seat 101, and the material can be screened multiple times. The material at the screening location can be discharged through the discharge port 302 and the discharge port 303 opened on the outer surface of the first screen layer 301 and the second screen layer 303. The liquid flows out through the second port 304, and the outer surface of the connecting seat 101 is provided with four mounting grooves, and the interior of the four mounting grooves is respectively provided with a connecting column 102, so that the bearing 103 is installed on the outer surface of the connecting column 102. When the screen assembly 3 is vibrated and screened by the vibration spring 201, the bearing 103 on the outer surface of the connecting seat 101 can control the vibration amplitude of the screen assembly 3 through the friction protection sleeve 104 to prevent the screen assembly 3 from vibrating for a long time and causing the vibration spring 201 to fall off, thereby achieving the effect of protecting and buffering the screen assembly 3.

[0030] Embodiment 2

[0031] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 On the basis of the first embodiment, it is further obtained that the screening mechanism 2 includes a vibration spring 201, a base 202 is arranged at the bottom of the vibration spring 201, a vertical vibration motor 203 is arranged inside the base 202, and a support seat 204 is arranged at the bottom of the vertical vibration motor 203.

[0032] The base 202 is fixedly mounted on the bottom of the protective cover 104 , and the vibration spring 201 is arranged on the bottom of the connecting base 101 .

[0033] A plurality of vibration springs 201 are provided, and the plurality of vibration springs 201 are located on the top of the base 202 and distributed in a circular array.

[0034] Through the above technical scheme, a vibration spring 201 is connected to the bottom of the connecting seat 101, and the bottom of the vibration spring 201 is connected to the top of the base 202. A plurality of vibration springs 201 are arranged between the connecting seat 101 and the base 202. A vertical vibration motor 203 is installed inside the base 202. A support seat 204 is fixed to the bottom of the base 202. The support seat 204 can support and fix the base 202. The vertical vibration motor 203 is energized to vibrate, so that the screen assembly 3 connected to the top of the vibration spring 201 vibrates, thereby achieving the effect of screening the material.

[0035] 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 thereof, and the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A four-bearing circular vibrating screen, comprising a protection mechanism (1), Features: A screening mechanism (2) is arranged outside the protection mechanism (1); The protective mechanism (1) comprises a connecting seat (101), the outer surface of the connecting seat (101) is provided with a mounting groove, a connecting column (102) is installed inside the mounting groove, a bearing (103) is rotatably installed on the outer surface of the connecting column (102), a protective sleeve (104) is arranged outside the bearing (103), and a screen assembly (3) is arranged on the top of the connecting seat (101).

2. A four-bearing circular vibrating screen according to claim 1, Features: The screen assembly (3) comprises a first screen layer (301), the outer surface of the first screen layer (301) is provided with a discharge port 1 (302), a second screen layer (303) is provided on the top of the first screen layer (301), and the outer surface of the second screen layer (303) is provided with a discharge port 2 (304).

3. A four-bearing circular vibrating screen according to claim 2, Features: The first screen layer (301) is installed on the top of the connecting seat (101), and a fastening sleeve (4) is arranged between the first screen layer (301) and the second screen layer (303).

4. A four-bearing circular vibrating screen according to claim 1, Features: Four bearings (103) are provided, and the four bearings (103) are located inside the connecting seat (101) and distributed in a circumferential array.

5. A four-bearing circular vibrating screen according to claim 1, Features: The screening mechanism (2) comprises a vibration spring (201), a base (202) is arranged at the bottom of the vibration spring (201), a vertical vibration motor (203) is arranged inside the base (202), and a support seat (204) is arranged at the bottom of the vertical vibration motor (203).

6. A four-bearing circular vibrating screen according to claim 5, Features: The base (202) is fixedly mounted on the bottom of the protective cover (104), and the vibration spring (201) is arranged on the bottom of the connecting seat (101).

7. A four-bearing circular vibrating screen according to claim 5, Features: A plurality of the vibration springs (201) are provided, and the plurality of vibration springs (201) are located on the top of the base (202) and distributed in a circular array.

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