Dustproof device for receiving opening of vibrating screen

Abstract

The dust-proof device comprises a dust-proof cover and a hopper on the upper side of the dust-proof cover, the dustproof cover is vertically through and comprises a vertically-arranged circular-truncated-cone-shaped body cover, and the upper end of the body cover is connected with a vertically-arranged cylindrical first material pipe. The hopper is vertically through and comprises an inverted circular-truncated-cone-shaped connecting hopper, the lower end of the connecting hopper is connected with a vertically-arranged cylindrical second material pipe, the upper end of the connecting hopper is connected with dustproof cloth covering an opening of the connecting hopper, and a circular elastic opening is formed in the middle of the dustproof cloth; and the second material pipe is telescopically sleeved with the first material pipe. The body cover can cover the vibrating screen and receive materials through the connecting hopper, the dustproof cloth covering the opening of the connecting hopper can be arranged at the discharging opening for conveying the materials to be screened in a sleeving mode through the elastic opening of the dustproof cloth, and the elastic opening of the cloth can adapt to discharging openings of different shapes; meanwhile, adjustment of different heights is achieved through telescopic sleeving connection of the first material pipe and the second material pipe, the overall sealing performance is good, and leakage is not prone to occurring.

Description

Technical Field

[0001] The utility model relates to the technical field of vibrating screens, in particular to a dust-proof device for a receiving port of a vibrating screen. Background Art

[0002] As a commonly used high-precision fine powder screening machine, the vibrating screen has low noise, high efficiency and fully enclosed structure. It is widely used in the screening, impurity removal and filtering of particles and slurry materials in the food, medicine, chemical industry, metal metallurgy and other industries. The vibrating screen has the advantages of long material running track and high screen surface utilization. A receiving port is provided at the top of the vibrating screen for feeding materials. At present, the commonly used vibrating screen receiving ports are mostly circular and have a certain height. When it needs to be connected with the discharge port of the mixer or crusher, because the shape and height of the discharge ports of different machines are not fixed, the receiving port with a fixed shape and height cannot adapt to the discharge ports of different machines. When the discharge port of the mixer or crusher cannot completely match the receiving port of the vibrating screen, there is a gap that easily leaks a large amount of smoke and dust. Utility Model Content

[0003] In order to solve the technical problem in the above-mentioned background technology that the receiving port of the vibrating screen cannot be adjusted and is prone to smoke and dust leakage, the utility model provides a dust prevention device for the receiving port of the vibrating screen.

[0004] The technical solution of this utility model is as follows:

[0005] A dust-proof device for a receiving port of a vibrating screen includes a dust cover and a hopper on its upper side; the dust cover is connected from top to bottom, and includes a vertically arranged truncated cone-shaped main body cover, and the upper end of the main body cover is connected to a vertically arranged cylindrical first material pipe; the hopper is connected from top to bottom, and includes an inverted truncated cone-shaped connecting bucket, the lower end of the connecting bucket is connected to a vertically arranged cylindrical second material pipe, and the upper end is connected to a dust-proof cloth covering its opening, and the middle part of the dust-proof cloth is provided with a circular elastic opening; the second material pipe is telescopically sleeved with the first material pipe. The main body cover can be directly covered at the receiving port position on the vibrating screen, and receive materials through the connecting bucket, and the dust-proof cloth covering the opening of the connecting bucket can be sleeved at the discharge port for conveying the material to be screened through its elastic opening, and the elastic opening of the cloth can adapt to discharge ports of different shapes, and at the same time, the first material pipe and the second material pipe are telescopically sleeved to achieve different height changes. On the basis of the above structure, the sealed transportation of the material from the discharge port to the receiving port is realized, and the dust-proof work of the material during transportation is completed.

[0006] Furthermore, the shape of the dustproof cloth is adapted to the opening at the upper end of the connecting bucket, and the outer ring is connected to the outer ring of the opening at the upper end of the connecting bucket; the outer ring of the opening at the upper end of the connecting bucket is provided with a rubber strip edge seal. The provision of the rubber strip edge seal can improve the sealing performance and avoid leakage of the material to be screened or dust when receiving the material.

[0007] Preferably, the center of the elastic opening is colinear with the axis of the main body cover, so as to ensure that the material passing through the elastic opening can quickly and smoothly pass through the main body cover into the vibrating screen.

[0008] As a preferred embodiment, the second material pipe is telescopically arranged inside the first material pipe to avoid accumulation of materials at the overlap of the two material pipes.

[0009] Further preferably, an opening is provided on the outer wall of the first material pipe and a fixing bolt is provided in the opening, a plurality of grooves are vertically provided on the outer wall of the second material pipe, and the fixing bolt is configured so that the inner end can be inserted into any groove, and the position of the second material pipe is adjusted up and down in the first material pipe, and the opening is aligned with the groove at a certain height. After determining the height, the fixing bolt is passed through the opening and inserted into the groove and tightened, so as to connect and fix the first material pipe and the second material pipe.

[0010] Furthermore, the grooves are arranged in several groups around the axis of the second material pipe, and the openings are arranged in several groups around the axis of the first material pipe, and the positions of the openings and the grooves correspond to each other, and fixing bolts are provided to enhance the connection stability between the first material pipe and the second material pipe.

[0011] As a preferred implementation, the body cover is connected to the first material pipe by welding to ensure the sealing between the body cover and the first material pipe to avoid leakage.

[0012] Preferably, the hopper is connected to the second material pipe by welding to ensure the sealing between the hopper and the second material pipe to avoid leakage.

[0013] Through the above design, the utility model provides a dust-proof device for the receiving port of a vibrating screen, which has good overall sealing performance and is not prone to leakage. The setting of the connecting bucket can adapt to the delivery of materials of different sizes and in different ways. At the same time, the dust-proof cloth covering the opening of the connecting bucket can be set at the discharge port for delivering the material to be screened through its elastic sleeve, and the elastic mouth of the cloth can adapt to discharge ports of different shapes and sizes, with high adaptability. Different heights can be adjusted through the telescopic connection between the first material pipe and the second material pipe to adapt to the delivery of materials at different heights. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In the attached picture:

[0015] Figure 1 Schematic diagram of the dustproof device in the embodiment;

[0016] Figure 2 Schematic diagram of dustproof cloth in the embodiment;

[0017] Figure 3 AA cross-sectional view in the embodiment;

[0018] The components represented by the reference numerals in the figure are:

[0019] 1. Dust cover; 11. First material pipe; 2. Material hopper; 21. Connecting hopper; 22. Dust cloth; 221. Elastic opening; 23. Second material pipe; 231. Groove. DETAILED DESCRIPTION

[0020] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings.

[0021] Example

[0022] This embodiment provides a dustproof device for a receiving port of a vibrating screen, including a dustproof cover 1 and a hopper 2 on its upper side. The specific structure of the dustproof device (the above-mentioned dustproof device for a receiving port of a vibrating screen) is described in detail below.

[0023] The dust cover 1 in this embodiment is through-through from top to bottom, and includes a vertically arranged truncated cone-shaped body cover, and the upper end of the body cover is connected to a vertically arranged cylindrical first material pipe 11. As a preferred embodiment, the body cover is welded to the first material pipe 11 to ensure the sealing between the body cover and the first material pipe 11 to avoid leakage.

[0024] In a specific implementation, a rubber clamp is provided on the outer ring of the opening at the lower end of the main body cover. The main body cover and the outer ring of the vibrating screen can be fixed together by locking the clamp, while ensuring the sealing of the connection between the main body cover and the vibrating screen to avoid leakage of materials or dust, and accidental falling off or dislocation of the main body cover during vibration.

[0025] In this embodiment, the hopper 2 is connected from top to bottom, and includes an inverted truncated cone-shaped connecting hopper 21. The lower end of the connecting hopper 21 is connected to a vertically arranged cylindrical second material pipe 23. In a specific implementation, the hopper 2 and the second material pipe 23 are welded and connected to ensure the sealing between the hopper 2 and the second material pipe 23 to avoid leakage.

[0026] In this embodiment, a dustproof cloth 22 covering the opening is connected to the upper end of the connecting bucket 21, and a circular elastic opening 221 is provided in the middle of the dustproof cloth 22. In a specific implementation, the shape of the dustproof cloth 22 is adapted to the opening of the upper end of the connecting bucket 21, and the outer ring is connected to the outer ring of the upper opening of the connecting bucket 21. The outer ring of the upper opening of the connecting bucket 21 is provided with a rubber strip edge seal, and the setting of the rubber strip edge seal can improve the sealing performance and avoid leakage of the material to be screened or dust when receiving the material.

[0027] In a specific embodiment, the outer ring of the upper opening of the connecting bucket 21 is provided with a connecting buckle, and the outer ring of the dustproof cloth 22 can be movably connected to the connecting buckle. After the vibrating screen finishes working, the dustproof cloth 22 can be removed for cleaning or replacement.

[0028] Preferably, the center of the elastic opening 221 is colinear with the axis of the body cover, so as to ensure that the material passing through the elastic opening 221 can quickly and smoothly pass through the body cover into the vibrating screen.

[0029] In a specific implementation, after the elastic opening 221 is sleeved on the outer ring of the material discharge port to be screened, it can be tied with a cable tie to strengthen the fixation to prevent the elastic opening 221 from accidentally falling off during vibration. A drawstring is provided inside the elastic opening 221 to ensure that it can be closed when not in use to prevent external dust from falling into the dustproof device through the elastic opening 221.

[0030] In this embodiment, the second material pipe 23 is telescopically sleeved with the first material pipe 11. As a preferred embodiment, the second material pipe 23 is telescopically arranged in the first material pipe 11 to avoid material accumulation at the overlap of the two material pipes.

[0031] Specifically, an opening is provided on the outer wall of the first material pipe 11 and a fixing bolt is provided in the opening, and a plurality of grooves 231 are vertically provided on the outer wall of the second material pipe 23. The fixing bolt is configured so that the inner end can be inserted into any groove 231. The position of the second material pipe 23 is adjusted up and down in the first material pipe 11, and the opening is aligned with the groove 231 at a certain height. After the height is determined, the fixing bolt is passed through the opening and inserted into the groove 231 and tightened, so as to connect and fix the first material pipe 11 and the second material pipe 23.

[0032] Furthermore, the grooves 231 are provided in several groups circumferentially around the axis of the second material pipe 23, and the openings are provided in several groups circumferentially around the axis of the first material pipe 11, and the positions of the openings and the grooves 231 correspond to each other, and fixing bolts are provided, which can enhance the connection stability between the first material pipe 11 and the second material pipe 23.

[0033] The main body cover can be placed on the vibrating screen and receive materials through the connecting bucket 21. The dustproof cloth 22 covering the opening of the connecting bucket 21 can be mounted on the discharge port for conveying the material to be screened through its elastic opening 221, and the elastic opening 221 of the cloth can adapt to discharge ports of different shapes. At the same time, the dustproof device can be adjusted to different heights through the telescopic sleeve connection of the first material pipe 11 and the second material pipe 23. The overall sealing performance of the utility model is good and leakage is not easy to occur.

Claims

1. A dust prevention device for a vibrating screen receiving port, characterized in that: It comprises a dust cover (1) and a hopper (2) on its upper side; The dust cover (1) is through-connected from top to bottom and comprises a vertically arranged truncated cone-shaped main body cover, the upper end of which is connected to a vertically arranged cylindrical first material pipe (11); The hopper (2) is connected from top to bottom and comprises an inverted truncated cone-shaped connecting hopper (21). The lower end of the connecting hopper (21) is connected to a vertically arranged cylindrical second material pipe (23), and the upper end is connected to a dustproof cloth (22) covering its opening, and a circular elastic opening (221) is provided in the middle of the dustproof cloth (22); The second material pipe (23) is telescopically sleeved with the first material pipe (11).

2. A dust prevention device for a vibrating screen receiving port according to claim 1, characterized in that: The shape of the dustproof cloth (22) is adapted to the opening at the upper end of the connecting bucket (21), and the outer ring is connected to the outer ring of the opening at the upper end of the connecting bucket (21); The outer ring of the upper opening of the connecting bucket (21) is provided with a rubber strip for edge sealing.

3. A dust prevention device for a vibrating screen receiving port according to claim 1, characterized in that: The center of the elastic opening (221) is colinear with the axis of the main body cover.

4. A dust prevention device for a vibrating screen receiving port according to claim 1, characterized in that: The second material pipe (23) is telescopically arranged inside the first material pipe (11).

5. A dust prevention device for a receiving port of a vibrating screen according to claim 4, characterized in that: An opening is provided on the outer wall of the first material pipe (11) and a fixing bolt is provided in the opening; A plurality of grooves (231) are vertically arranged on the outer wall of the second material pipe (23), and the inner end of the fixing bolt is arranged so as to be able to be inserted into any groove (231).

6. A dust prevention device for a receiving port of a vibrating screen according to claim 5, characterized in that: The grooves (231) are arranged in a plurality of groups in the circumferential direction around the axis of the second material pipe (23).

7. A dust prevention device for a vibrating screen receiving port according to claim 1, characterized in that: The body cover is connected to the first material pipe (11) by welding.

8. A dust prevention device for a vibrating screen receiving port according to claim 1, characterized in that: The hopper (2) is connected to the second material pipe (23) by welding.

Images