Vibrating screen cavity anti-collision material blocking curtain

Abstract

The utility model discloses an anti-collision material blocking curtain of a vibrating screen cavity, belongs to the field of screening machine equipment, and solves the problems that the screening speed of screening steel slag is high, the impact force of the steel slag is large, the steel slag is not classified thoroughly, and a sieve plate bar is damaged. The anti-collision buffering curtain of the vibrating screen cavity comprises a base installed at the top of the vibrating screen cavity, a blocking device used for reducing material impact force is detachably arranged on the base and comprises a plurality of buffering curtains, a screen plate is arranged in the vibrating screen cavity, the buffering curtains are located above the screen plate, and the buffering curtains are arranged on the screen plate. A gap exists between the bottom of the buffer curtain and the screen plate, and gaps exist between the two sides of the buffer curtain and the side wall of the cavity of the vibrating screen. According to the anti-collision material blocking curtain for the vibrating screen cavity, the screening speed is reduced, the screening penetration rate and the screening quality are improved, and the impact force of steel slag is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of screening machine equipment, and more specifically, to an anti-collision material blocking curtain for a vibrating screen cavity. Background Art

[0002] In the process of steel slag treatment, the vibrating screen is an important equipment for distinguishing steel slag of different particle sizes, and it is also an important guarantee for improving the efficiency and effect of magnetic separation. Since the flow rate of steel slag in the vibrating screen cavity is too fast, the screening is affected, resulting in incomplete slag classification, and some solvent slag and medium-sized steel slag enter the coarse-grained steel slag, thereby causing iron loss; and the particle size of steel slag is relatively large, and under the action of speed, the impact force on the vibrating screen is relatively large, resulting in serious wear of the vibrating screen lining and side plates, especially the screen plate bars are easy to break, affecting the screening quality and shortening the service life of the vibrating screen. In addition, due to the limitations of on-site conditions, severely worn parts are not easy to repair, and maintenance is time-consuming and labor-intensive, making it difficult to ensure the normal and stable operation of the equipment, which seriously affects the normal operation of the equipment and the efficiency of steel slag treatment. Therefore, it is urgent to develop and design a device to reduce the flow rate and impact force of steel slag. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide an anti-collision material blocking curtain for a vibrating screen cavity in view of the above-mentioned deficiencies in the prior art. The resistance of the buffer curtain can slow down the material screening speed, improve the screening rate and screening quality, and reduce the impact force of the material, thereby avoiding the breakage of the screen plate bars caused by excessive impact force and extending the service life of the vibrating screen.

[0004] The technical solution of the utility model is as follows: an anti-collision material-blocking curtain for a vibrating screen cavity, comprising a base installed on the top of the vibrating screen cavity, a blocking device for reducing the impact force of materials being detachably provided on the base, the blocking device comprising a buffer curtain, the buffer curtain having multiple pieces, a sieve plate being provided in the cavity of the vibrating screen, the buffer curtain being located above the sieve plate, and a gap being present between the bottom of the buffer curtain and the sieve plate, and a gap being present between the two sides of the buffer curtain and the side walls of the cavity of the vibrating screen.

[0005] As a further improvement, the buffer curtain is made of a rubber belt.

[0006] Furthermore, the distance between the bottom of the buffer curtain and the sieve plate is 5 cm, and the distance between both sides of the buffer curtain and the inner wall of the vibrating screen cavity is 5 cm.

[0007] Furthermore, connecting plates are provided on both sides of the base, mounting holes are provided on the connecting plates, first bolts are provided in the mounting holes, and the first bolts pass through the mounting holes and are threadedly connected to the inner wall of the vibration screen cavity.

[0008] Furthermore, the base is provided with a bolt hole, a bolt is arranged in the bolt hole, the buffer curtain is provided with a through hole, and the second bolt passes through the buffer curtain and the base in sequence to be connected with the nut and bolt.

[0009] Furthermore, a spring is sleeved on the bolt, and the spring is installed between the buffer curtain and the base.

[0010] Furthermore, there are a plurality of the bases, and the plurality of the bases are sequentially installed in the cavity of the vibrating screen along the moving direction of the material, and the buffer curtain is installed on each of the plurality of the bases.

[0011] Beneficial Effects

[0012] Compared with the prior art, the utility model has the following advantages:

[0013] The utility model discloses an anti-collision material blocking curtain for a vibrating screen cavity, which slows down the material screening speed through the resistance of the buffer curtain, improves the screening rate and screening quality, reduces the impact force of the material, avoids the breakage of the drying board bars due to excessive impact force, and prolongs the service life of the vibrating screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 It is a partial top view structural schematic diagram of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the base in the utility model.

[0017] Among them: 1-vibrating screen, 2-base, 3-buffer curtain, 4-screen plate, 5-second bolt, 6-bolt hole, 7-mounting hole, 8-spring, 9-connecting plate, 10-first bolt. DETAILED DESCRIPTION

[0018] The present invention will be further described below with reference to the specific embodiments in the accompanying drawings.

[0019] See also Figure 1-3A vibration screen cavity anti-collision material blocking curtain comprises a base 2 mounted on the top of the vibration screen 1 cavity, and a blocking device for reducing the impact force of materials is detachably provided on the base 2, and the blocking device comprises a buffer curtain 3, and the buffer curtain 3 has multiple pieces, and the multiple buffer curtains 3 are sequentially mounted on the base 2, and two adjacent buffer curtains 3 are tightly fitted. When one of the buffer curtains 3 is damaged due to the impact of materials for a long time, the damaged buffer curtain 3 can be replaced separately, which can effectively save costs and shorten the time required for replacing the buffer curtain 3, and improve maintenance efficiency; a sieve plate 4 is provided in the cavity of the vibration screen 1, and the buffer curtain 3 is arranged at the bottom of the cavity of the vibration screen 1. The material is above the sieve plate 4, and there is a gap between the bottom of the buffer curtain 3 and the sieve plate 4, and there is a gap between the two sides of the buffer curtain 3 and the side walls of the cavity of the vibrating screen 1; after the material enters the cavity of the vibrating screen 1, it moves quickly in the cavity of the vibrating screen 1, and after hitting the buffer curtain 3, the screening speed of the material is slowed down by the resistance of the buffer curtain 3, thereby preventing larger particles of material from passing through the sieve plate 4 due to excessive material speed, thereby reducing the screening quality; and the buffer curtain 3 reduces the speed of the material, thereby reducing the impact force of the material, and preventing the material from impacting the vibrating screen 1 and the sieve plate 4 and other components, causing damage thereto.

[0020] In the present embodiment, the buffer curtain 3 is made of a rubber belt; the buffer curtain 3 made of a rubber belt has a low manufacturing cost, high durability, and is not too heavy, and has a high cost-effectiveness.

[0021] In this embodiment, the distance between the bottom of the buffer curtain 3 and the screen plate 4 is 5 cm, and the distance between the two sides of the buffer curtain 3 and the inner wall of the vibrating screen 1 cavity is 5 cm, which can effectively avoid blockage caused by excessive material in the vibrating screen 1.

[0022] In this embodiment, connecting plates 9 are provided on both sides of the base 2, and mounting holes 7 are provided on the connecting plates 9. A first bolt 10 is provided in the mounting hole 7, and the first bolt 10 passes through the mounting hole 7 and is threadedly connected to the inner wall of the cavity of the vibrating screen 1; the base 2 is threadedly connected to the inner wall of the cavity of the vibrating screen 1 through the connecting plate 9, which is convenient for the installation and disassembly of the base 2, and at the same time, it is convenient to replace the base 2 after long-term use.

[0023] In this embodiment, a bolt hole 6 is provided on the base 2, a bolt 5 is provided in the bolt hole 6, a through hole is provided on the buffer curtain 3, and the second bolt 5 passes through the buffer curtain 3 and the base 2 in sequence and is connected with the nut bolt; the buffer curtain 3 passes through the bolt hole 6 and is connected with the base 2 by bolts. The buffer curtain 3 will be worn or even damaged due to the impact of materials for a long time, and the bolt connection facilitates the replacement of the buffer curtain 3.

[0024] In this embodiment, a spring 8 is sleeved on the bolt 5, and the spring 8 is installed between the buffer curtain 3 and the base 2; the spring 8 is arranged between the buffer curtain 3 and the base 2, and when the material hits the buffer curtain 3, the lower end of the buffer curtain 3 will shake with the impact, and at this time the upper end of the buffer curtain 3 will also move, and then it will be restored to its original position through the elasticity of the spring 8, so that the impact force on the buffer curtain 3 is dispersed to the whole buffer curtain 3, which can effectively extend the service life of the buffer curtain 3, thereby saving costs.

[0025] In this embodiment, there are multiple bases 2, and the multiple bases 2 are installed in the cavity of the vibrating screen 1 in sequence along the movement direction of the material, and buffer curtains 3 are installed on the multiple bases 2; multiple layers of buffer curtains 3 are arranged in the cavity of the vibrating screen 1, so that the material can run in the cavity of the vibrating screen 1 at a lower speed, which can effectively improve the screening quality of the vibrating screen 1.

[0026] The above is only a preferred embodiment of the present invention. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the structure of the present invention, which will not affect the effect of the implementation of the present invention and the practicality of the patent.

Claims

1. A vibration screen cavity anti-collision material blocking curtain, characterized in that: The invention comprises a base (2) mounted on the top of a cavity of a vibrating screen (1), the base (2) being detachably provided with a blocking device for reducing the impact force of materials, the blocking device comprising a buffer curtain (3), the buffer curtain (3) comprising a plurality of pieces, a sieve plate (4) being provided in the cavity of the vibrating screen (1), the buffer curtain (3) being located above the sieve plate (4), and a gap being present between the bottom of the buffer curtain (3) and the sieve plate (4), and a gap being present between the two sides of the buffer curtain (3) and the side walls of the cavity of the vibrating screen (1).

2. The anti-collision material blocking curtain for a vibrating screen cavity according to claim 1, characterized in that: The buffer curtain (3) is made of a rubber belt.

3. The anti-collision material blocking curtain for a vibrating screen cavity according to claim 1, characterized in that: The distance between the bottom of the buffer curtain (3) and the screen plate (4) is 5 cm, and the distance between the two sides of the buffer curtain (3) and the inner wall of the cavity of the vibrating screen (1) is 5 cm.

4. The anti-collision material blocking curtain for a vibrating screen cavity according to claim 1, characterized in that: A connecting plate (9) is provided on both sides of the base (2), a mounting hole (7) is provided on the connecting plate (9), a first bolt (10) is provided in the mounting hole (7), and the first bolt (10) passes through the mounting hole (7) and is threadedly connected to the inner wall of the cavity of the vibrating screen (1).

5. The anti-collision material blocking curtain for a vibrating screen cavity according to claim 1, characterized in that: The base (2) is provided with a bolt hole (6), a second bolt (5) is arranged in the bolt hole (6), the buffer curtain (3) is provided with a through hole, and the second bolt (5) passes through the buffer curtain (3), the base (2) and the nut and bolt in sequence.

6. The anti-collision material blocking curtain for a vibrating screen cavity according to claim 5, characterized in that: A spring (8) is sleeved on the bolt (5), and the spring (8) is installed between the buffer curtain (3) and the base (2).

7. The anti-collision material blocking curtain for a vibrating screen cavity according to claim 1, characterized in that: There are a plurality of bases (2), and the plurality of bases (2) are sequentially installed in the cavity of the vibrating screen (1) along the moving direction of the material, and the buffer curtain (3) is installed on each of the plurality of bases (2).

Images