CN207839401U - Vibrating screen - Google Patents

Abstract

The utility model discloses a vibrating screen. The key point of the technical scheme is to include a screen box, vibrating legs are arranged under the screen box, and multi-layer screens for screening materials are arranged inside the screen box. The box is provided with a cleaning brush above the sieve, and the cleaning brush is slidably connected with the sieve box. The utility model improves the working efficiency of the vibrating screen in the prior art.

Description

Shaker

technical field

The utility model relates to a screening device, in particular to a vibrating screen.

Background technique

Vibrating screens are widely used, from mining, metallurgy, coal, petrochemical, to water conservancy and electricity, light industry, construction, transportation, and even flour processing, etc. It can be said that every aspect of our life is inseparable from vibrating screening mechanical. In the traditional process, the disadvantages of the equipment used are: high energy consumption, high noise, serious dust pollution; short service life, serious wear, inconvenient maintenance, long maintenance period, poor screening effect, low work efficiency, etc. .

In order to solve the above-mentioned technical problems, in the prior art, a Chinese invention patent application document with the application publication number CN105127097A discloses a vibrating screen, including a screen box, and a screen for screening materials is arranged in the screen box. The screen is provided with multiple layers arranged in sequence for grading and screening materials, and an excitation device that directly drives the vibration of the screen is provided in the screen box. The excitation device includes two synchronously rotating vibration motors, The outside of the screen box is provided with outriggers that act as vibration-damping supports, and the outriggers are supported and connected to a connecting crossbeam arranged in the middle of the screen box.

The screen in the vibrating screen in the prior art is often blocked, causing the screen to be unable to complete the screening work. It is necessary to disassemble the multi-layer screen and clean it before it can run normally. This method greatly reduces the work of the vibrating screen. efficiency.

Utility model content

Aiming at the deficiencies in the prior art, the purpose of the utility model is to provide a vibrating screen to improve the working efficiency of the vibrating screen in the prior art.

In order to achieve the above purpose, the utility model provides the following technical solutions: a vibrating screen, including a screen box, vibrating legs are arranged under the screen box, and multi-layer screens for screening materials are arranged inside the screen box , the screen box is provided with a cleaning brush above the screen, and the cleaning brush is connected to the screen box by sliding.

By adopting the above technical solution, the screen mesh can be cleaned directly by the cleaning brush without disassembling the filter mesh. This cleaning method improves the working efficiency of the vibrating screen.

The utility model is further configured as follows: the side wall of the screen box is provided with a chute for the cleaning brush to slide along the side wall.

By adopting the above technical solution, the connection mode in which the cleaning brush slides along the side wall of the screen box enables the movement of the cleaning brush to contact the screen mesh accurately and effectively.

The utility model is further configured as follows: the sieve box is provided with a storage groove for placing cleaning brushes above the chute, and the storage groove and the chute are connected to each other.

By adopting the above technical solution, the storage tank can raise the cleaning brush when the vibrating screen is working, so that the lower end of the cleaning brush is separated from the screen, so as to prevent the cleaning brush from affecting the flow of materials toward the discharge hopper.

The utility model is further configured as follows: the screen box is provided with a material blocking plate that can close the chute.

By adopting the above technical solution, the material blocking plate can prevent the material from flowing out of the chute during the working process of the vibrating screen.

The utility model is further configured as: the material blocking plate is connected with the screen box through a torsion spring hinge.

By adopting the above technical solution, the connection method of the torsion spring hinge enables the material baffle to maintain a horizontal or vertical state.

The utility model is further configured as: a vibration spring is provided at the connection between the vibration leg and the screen box.

By adopting the above technical proposal, the vibrating spring can make the vibration of the vibrating screen smooth, avoiding damage to parts of the vibrating screen and generating large noise pollution.

The utility model is further configured as follows: the two ends of the cleaning brush are provided with stoppers to prevent the cleaning brush from sliding out of the chute, and the stoppers are located outside the chute.

By adopting the above technical solution, the stop block can prevent the cleaning brush from slipping out of the chute on the one hand, and on the other hand can facilitate the operator to slide the cleaning brush.

The utility model is further configured as: the block is detachably connected to the cleaning brush.

By adopting the above technical scheme, when the cleaning brush wears out, the stoppers at both ends of the cleaning brush can be removed and replaced with new cleaning brushes.

The utility model is further configured as: the stopper is plugged with the cleaning brush.

By adopting the above technical solution, the plug-in connection mode makes the connection structure simple and easy to operate.

In summary, the utility model has the following beneficial effects: 1. The utility model can directly clean the screen through the cleaning brush without disassembling the filter. This cleaning method improves the working efficiency of the vibrating screen; 2. The utility model The new type of cleaning brush can not only be used to remove impurities in the screen, but also can be used to clean the screen; 3. The cleaning brush of the utility model can be easily replaced after being worn out.

Description of drawings

Fig. 1 is the whole axonometric view of embodiment;

Fig. 2 is the isometric view of the cleaning brush of embodiment;

Fig. 3 is an axonometric view of the embodiment with the intermediate baffle plate removed;

Fig. 4 is a schematic diagram of the connection between the baffle plate and the screen box of the embodiment.

Among the figure: 1, frame; 11, vibrating legs; 12, vibrating spring; 2, vibrating motor; 3, screen box; 31, screen; 32, cleaning brush; 321, block; 3211, square groove; 33 , a hopper; 34, a chute; 35, a storage tank; 36, a baffle; 361, a torsion spring hinge.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Embodiment: A kind of vibrating screen, as shown in accompanying drawing 1, comprises frame 1 and screen box 3, is provided with vertical vibrating support leg 11 between frame 1 and screen box 3, and vibrating support leg 11 is connected with screen box 3 is connected with a vertical vibration spring 12, and the frame 1 is provided with a vertical vibration motor 2 at the right end of the screen box 3, and the vibration motor 2 is connected with the bottom of the screen box 3; the vertical direction of the screen box 3 is provided with Two layers of horizontal screens 31, and the mesh number of the upper screen 31 is smaller than that of the lower screen 31, and the left end of the screen box 3 is provided with a staggered discharge hopper 33 in three directions corresponding to the positions of the two screens 31 and the bottom of the box , The screen box 3 is respectively provided with a cleaning brush 32 at the upper end of the two screens 31 and the bottom of the box.

As shown in Figure 2, two ends of the cleaning brush 32 are respectively provided with a stopper 321, and one side of the stopper 321 is provided with a groove, and the two ends of the cleaning brush 32 are respectively inserted into the two stoppers 321 through the groove.

As shown in accompanying drawing 3, the left and right sides of the screen box 3 are provided with symmetrical horizontal chute 34, and the two ends of the cleaning brush 32 are slidingly connected with the chute 34, and the stoppers 321 connected to the two ends of the cleaning brush 32 are positioned on the sliding chute. Outboard of groove 34, chute 34 is provided with storage groove 35 near the top of one end on the right side of screen box 3, and the height of storage groove 35 is greater than the height of cleaning brush 32, and the upper end of storage groove 35 and chute 34 are communicated by slideway , the cleaning brush 32 can be placed in the storage tank 35; the outside of the sieve box 3 below the chute 34 is provided with a baffle plate that can close the chute 34, the lower end of the baffle plate is connected with the sieve box 3 and the top right of the baffle plate is provided with a The groove prevents interference with the cleaning brush 32 placed in the receiving groove 35 .

As shown in Figure 4, the left and right ends of the underside of the baffle plate are respectively connected to the screen box 3 through torsion spring hinges 361 (refer to Figure 3).

The working principle of the vibrating screen is as follows: put the three cleaning brushes 32 in the storage tank 35, close the baffle plate, start the vibrating motor 2, feed material into the screen box 3 from the upper right side of the screen box 3, and the material vibrates up and down through the right end The function of screen box 3 is that the screened materials flow out through the three discharge hoppers 33 at the left end respectively. After working for a period of time, when the screen mesh 31 is found to be blocked, stop feeding to the screen box 3 and wait for the material in the screen box 3 When all the materials flow out, turn off the vibration motor 2, open the baffle plate to make it in a horizontal position, slide the cleaning brush 32 from the storage tank 35 into the chute 34 along the slideway, and then slide the cleaning brush left and right along the chute 34 32, the impurities blocked in the screen 31 can be brushed out, after cleaning, repeat the above operations.

The cleaning brush 32 can not only be used to remove impurities in the screen cloth 31, but also can be used to clean the screen cloth 31. The storage groove 35 at the upper end of the chute 34 can raise the cleaning brush 32 when the vibrating screen is working, so that the cleaning brush 32 lower end Break away from the screen 31 to prevent the cleaning brush 32 from affecting the flow of materials to the discharge hopper 33; the baffle plate can prevent the material from flowing out of the chute 34 during the working process of the vibrating screen; when the cleaning brush 32 is worn, the two ends of the cleaning brush 32 can be removed The stopper 321 is removed, and then a new cleaning brush 32 is replaced.

The above descriptions are only preferred implementations of the present utility model, and the protection scope of the present utility model is not limited to the above-mentioned embodiments, and all technical solutions under the idea of the present utility model all belong to the protection scope of the present utility model. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the utility model should also be regarded as the protection scope of the utility model.

Claims (9)

1. a kind of vibrating screen, including screen box (3), screen box (3) lower section is equipped with vibration supporting leg (11), is set in the screen box (3) There is the multilayer screen cloth (31) to screening materials carrying, it is characterised in that：The screen box (3) is equipped with cleaning brush above sieve (31) (32), the cleaning brush (32) connects with screen box (3) sliding.

2. vibrating screen according to claim 1, it is characterised in that：The side wall of the screen box (3) is equipped with for cleaning brush (32) Along the sliding slot (34) of side wall sliding.

3. vibrating screen according to claim 2, it is characterised in that：The screen box (3) is equipped in the top of sliding slot (34) and puts The accommodating groove (35) of cleaning brush (32) is set, the accommodating groove (35) is interconnected with sliding slot (34).

4. vibrating screen according to claim 2, it is characterised in that：The screen box (3) is equipped with the gear that can close sliding slot (34) Flitch.

5. vibrating screen according to claim 4, it is characterised in that：The striker plate passes through torsional spring hinge with screen box (3) (361) it connects.

6. vibrating screen according to claim 1, it is characterised in that：The company of vibration supporting leg (11) and the screen box (3) It meets place and is equipped with vibrating spring.

7. vibrating screen according to claim 2, it is characterised in that：The both ends of the cleaning brush (32), which are equipped with, prevents cleaning brush (32) block (321) of sliding slot (34) is skidded off, and block (321) is located at the outside of sliding slot (34).

8. vibrating screen according to claim 7, it is characterised in that：The block (321) and cleaning brush (32) are detachable Connection.

9. vibrating screen according to claim 8, it is characterised in that：The block (321) and cleaning brush (32) grafting.