Device for improving dust screening and removing of vibrating screen

Abstract

The utility model discloses a device for improving dust screening of a vibrating screen, which comprises a vibrating table, and a grading screening mechanism for screening particles is arranged at the top of the vibrating table; and the grading screening mechanism comprises a vibration motor fixed at the bottom of the vibration table. The utility model relates to the technical field of dust screening. According to the device for improving dust screening and removing of the vibrating screen, through the arrangement of the grading screening mechanism, particles are rapidly screened, dust is screened into the dust box, then the dust is rapidly discharged through the transversely-formed dust outlet, compared with the mode that the dust outlet is formed in the side face, the screening path is enlarged, the screening strength is large, and the screening effect is improved; and meanwhile, the screening equipment is divided into an upper stage, a middle stage and a lower stage, dust, normal particles and long strips can be rapidly screened and separated, meanwhile, the screening condition can be clearly seen by arranging observation gaps, and chippings in the gaps can be conveniently cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of dust screening, in particular to a device for improving the dust screening of a vibrating screen. Background Technique

[0002] At present, the vibrating screen drives the finished particles and other components to move forward through the reciprocating motion of the vibrating bed. There are multiple sieves with different pore diameters above the vibrating bed. Due to the different particle sizes of each component, different components will be stratified under the action of gravity. Only the particles that meet the requirements will flow out from the normal outlet at the back, while the dust will flow out from the dust outlet on the side.

[0003] However, the existing vibrating screen has the following deficiencies:

[0004] (1) The dust outlet is on the side, the screening path is short, the screening force is small, which affects the product quality;

[0005] (2) The sieve is a whole and cannot be disassembled, it is difficult to clean the debris in the gaps, and the cleaning difficulty is large;

[0006] (3) When discharging the strip on the long strip outlet, it is easy to have the phenomenon of material jamming;

[0007] For this, we propose a device for improving the dust screening of a vibrating screen to solve the above problems. Content of the Utility Model

[0008] Aiming at the deficiencies of the prior art, the utility model provides a device for improving the dust screening of a vibrating screen, which solves the problems put forward in the background technique.

[0009] To achieve the above purposes, the utility model is realized through the following technical solutions: A device for improving the dust screening of a vibrating screen, including a vibrating table, and a grading and screening mechanism for screening particles is arranged on the top of the vibrating table;

[0010] The grading and screening mechanism includes a vibrating motor fixed at the bottom of the vibrating table, a screening bed fixed on the top of the vibrating table, a plurality of fine sieve holes are penetrated through the screening bed, a plurality of coarse sieve holes are also penetrated through the screening bed, a dust box is fixed on the top of the vibrating table, a material receiving box is fixed on the top of the vibrating table, a dust outlet is arranged on one side of the dust box, a normal particle outlet is arranged on one side of the material receiving box, and vibrating screen bases are fixed on both sides of the bottom of the vibrating table.

[0011] Preferably, the material receiving box is located below the coarse sieve holes, and an observation gap is left between the material receiving box and the screening bed.

[0012] Preferably, the dust box is located below the fine sieve holes, and the dust box is located below the material receiving box, and the dust box and the material receiving box are stacked up and down in a staggered manner.

[0013] Preferably, a gap is left between the dust box and the material receiving box, and a long strip outlet is provided on one side of the material screening bed.

[0014] Preferably, a rotary cleaning component is arranged on the long strip outlet. The rotary cleaning component includes two vertical plates fixed at the top of the long strip outlet, and a driving shaft is rotatably connected between the opposite sides of the two vertical plates.

[0015] Preferably, a driving motor is fixed on one side of one of the vertical plates. The output end of the driving motor is fixed to one end of the driving shaft through a coupling, and a plurality of cleaning rods are fixed on the driving shaft.

[0016] Beneficial effects

[0017] The utility model provides a device for improving the screening of dust by a vibrating screen. Compared with the prior art, the following beneficial effects are achieved:

[0018] (1) Through the setting of the grading and screening mechanism, rapid screening of particles is realized. The dust is screened into the dust box and then quickly discharged through the horizontally arranged dust outlet. Compared with setting the dust outlet on the side, the screening path is increased, the screening force is large, and the screening effect is improved. At the same time, the screening device is divided into upper, middle and lower levels, and dust, normal particles and long strips can be quickly separated. At the same time, by setting an observation gap, the screening situation can be clearly seen, and it is also convenient to clean the debris in the gap.

[0019] (2) Through the setting of the rotary cleaning component, when discharging materials through the long strip outlet, the long strip can be pushed out of the long strip outlet through the rapid rotation of the cleaning rods, realizing rapid discharge and avoiding the phenomenon of material jamming. Description of the drawings

[0020] Figure 1 It is the front view of the external structure of the utility model;

[0021] Figure 2 It is the top view of the external structure of the utility model;

[0022] Figure 3 It is the three-dimensional view of the material screening bed, material receiving box and dust box of the utility model;

[0023] Figure 4 It is the three-dimensional view of the rotary cleaning component of the utility model.

[0024] In the figure: 1. Shaking table; 2. Classification and screening mechanism; 3. Observation gap; 4. Long strip outlet; 5. Rotary material cleaning component; 21. Vibration motor; 22. Screening bed; 23. Fine sieve holes; 24. Coarse sieve holes; 25. Dust box; 26. Material receiving box; 27. Dust outlet; 28. Normal particle outlet; 29. Shaking screen base; 51. Vertical plate; 52. Driving shaft; 53. Driving motor; 54. Material cleaning rod. Specific embodiments

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0026] The present invention provides two technical solutions: specifically including the following embodiments:

[0027] Embodiment 1

[0028] Please refer to Figures 1 - 3 , a device for improving the dust screening of a shaking screen, including a shaking table 1, and a classification and screening mechanism 2 for screening particles is arranged on the top of the shaking table 1;

[0029] The classification and screening mechanism 2 includes a vibration motor 21 fixed at the bottom of the shaking table 1. The vibration motor 21 is controlled by an external switch and is electrically connected to an external power supply. When the vibration motor 21 is started, it can drive the shaking table 1 to vibrate. A screening bed 22 is fixed on the top of the shaking table 1. A plurality of fine sieve holes 23 are formed through the screening bed 22. The arrangement of the fine sieve holes 23 can screen the dust and let it fall into the dust box 25. A plurality of coarse sieve holes 24 are also formed through the screening bed 22. The arrangement of the coarse sieve holes 24 can screen the normal particles and let them fall into the material receiving box 26. A dust box 25 is fixed on the top of the shaking table 1 for receiving the screened dust. A material receiving box 26 is fixed on the top of the shaking table 1 for receiving the screened normal particles. A dust outlet 27 is formed on one side of the dust box 25. Driven by the vibration motor 21, the dust moves from left to right and finally is discharged through the dust outlet 27. A normal particle outlet 28 is formed on one side of the material receiving box 26. The particles move from left to right driven by the vibration motor 21 and finally are discharged through the normal particle outlet 28. Vibration screen bases 29 are fixed on both sides of the bottom of the shaking table 1.

[0030] The material receiving box 26 is located below the coarse sieve holes 24, and an observation gap 3 is left between the material receiving box 26 and the screening bed 22. The arrangement of the observation gap 3 facilitates observing the screening situation of the particles.

[0031] The dust box 25 is located below the fine sieve holes 23 and below the material receiving box 26. The dust box 25 and the material receiving box 26 are stacked one above the other with a vertical offset.

[0032] There is a gap between the dust box 25 and the material receiving box 26. A long strip outlet 4 is provided on one side of the screening bed 22. The long strip outlet 4 is provided to allow the unqualified long strips after screening to be discharged from the long strip outlet 4.

[0033] Through the setting of the grading and screening mechanism 4, rapid screening of particles is achieved. The dust is screened into the dust box 25 and then quickly discharged through the horizontally arranged dust outlet 27. Compared with setting the dust outlet 27 on the side, the screening path is increased, the screening force is large, and the screening effect is improved. At the same time, the screening equipment is divided into upper, middle, and lower levels, and dust, normal particles, and long strips can be quickly screened and separated.

[0034] Embodiment 2

[0035] On the basis of Embodiment 1, as shown in Figure 4 A rotary cleaning component 5 is provided on the long strip outlet 4. The rotary cleaning component 5 includes two vertical plates 51 fixed to the top of the long strip outlet 4. A drive shaft 52 is rotatably connected between the opposite sides of the two vertical plates 51.

[0036] A drive motor 53 is fixed to one side of one of the vertical plates 51. The drive motor 53 is controlled by an external switch and is electrically connected to an external power source. The output end of the drive motor 53 is fixed to one end of the drive shaft 52 through a coupling. A plurality of cleaning rods 54 are fixed on the drive shaft 52.

[0037] Through the setting of the rotary cleaning component 5, when discharging the long strips through the long strip outlet 4, the long strips can be pushed out of the long strip outlet 4 through the rapid rotation of the cleaning rods 54, achieving rapid discharge and avoiding the phenomenon of material jamming.

[0038] At the same time, the content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0039] During operation, the material strip is cut into particles by a granulator and falls into the screening bed 22. The vibration motor 21 is started, and the screening bed 22 drives the particles to move forward through reciprocating motion. The dust has the smallest particle size and falls into the lowermost dust box 25 when passing through the fine sieve holes 23, and then is discharged through the dust outlet 27. Other particles move forward to the coarse sieve holes 24 for screening, and other particles fall into the material receiving box 26 and are then discharged through the normal particle outlet 28. At the same time, the long strips are discharged from the long strip outlet 4. The drive motor 53 is started to drive the drive shaft 52 and the cleaning rods 54 to rotate, and the rotation of the cleaning rods 54 drives the long strips to be quickly discharged to prevent material jamming.

[0040] The above has described in detail an embodiment of the present utility model, but the above content is only a preferred embodiment of the present utility model and cannot be considered as defining the scope of implementation of the present utility model. All equivalent changes and improvements made in accordance with the scope of application of the present utility model shall still fall within the scope covered by the patent of the present utility model.

Claims

1. A device for improving the dust screening of a vibrating screen, comprising a vibrating table (1), characterized in that: A grading and screening mechanism (2) for screening particles is provided at the top of the shaking table (1). The grading and screening mechanism (2) includes a vibration motor (21) fixed to the bottom of the shaking table (1). A screening bed (22) is fixed to the top of the shaking table (1). A plurality of fine screening holes (23) are formed through the screening bed (22). A plurality of coarse screening holes (24) are also formed through the screening bed (22). A dust box (25) is fixed to the top of the shaking table (1). A material receiving box (26) is fixed to the top of the shaking table (1). A dust outlet (27) is formed on one side of the dust box (25). A normal particle outlet (28) is formed on one side of the material receiving box (26). Vibration screen bases (29) are fixed to both sides of the bottom of the shaking table (1).

2. The device for improving the dust screening of a vibrating screen according to claim 1, wherein: The material receiving box (26) is located below the coarse screening holes (24), and an observation gap (3) is left between the material receiving box (26) and the screening bed (22).

3. The device for improving the dust screening of the vibrating screen according to claim 1, wherein: The dust box (25) is located below the fine screening holes (23), and the dust box (25) is located below the material receiving box (26). The dust box (25) and the material receiving box (26) are stacked in a vertically staggered manner.

4. An apparatus for improving the dust removal of a vibrating screen according to claim 1, characterized in that: A gap is left between the dust box (25) and the material receiving box (26). A long strip outlet (4) is formed on one side of the screening bed (22).

5. The device for improving the dust screening of the vibrating screen according to claim 4, wherein: A rotary material cleaning assembly (5) is provided on the long strip outlet (4). The rotary material cleaning assembly (5) includes two vertical plates (51) fixed to the top of the long strip outlet (4). A driving shaft (52) is rotatably connected between the opposite sides of the two vertical plates (51).

6. The device for improving the dust removal of the vibrating screen according to claim 5, characterized in that: A driving motor (53) is fixed to one side of one of the vertical plates (51). The output end of the driving motor (53) is fixed to one end of the driving shaft (52) through a coupling. A plurality of material cleaning rods (54) are fixed to the driving shaft (52).

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