CN211756849U - Prevent blockking up screening plant - Google Patents

Abstract

The utility model discloses an anti-clogging screening device, which relates to the technical field of screening devices. The utility model comprises a base and a dustproof casing; two support rods are fixedly connected on one surface of the base; two electric push rods are hinged on the top surface of the base; the bottom surface of the dustproof casing is hinged with the two electric push rods and the support rod; One surface of the body is fixedly connected with a bracket; one surface of the bracket is fixedly connected with a lower hopper; two symmetrically arranged support rings are fixedly connected between the inner surfaces of the dustproof shell; Through the design of high-pressure nozzles and anti-blocking nozzles, the utility model can periodically supply high-pressure air flow to the surface of the screen cylinder, and through the high-pressure air flow, the impurities that adhere or block in the screen holes of the screen cylinder can be automatically cleaned. Through the realization of the automatic cleaning function, the anti-blocking performance of the screening device is effectively improved.

Description

An anti-clogging screening device

technical field

The utility model belongs to the technical field of screening devices, in particular to an anti-clogging screening device.

Background technique

The screening machine is a vibrating screening mechanical equipment that uses the relative movement of the bulk material and the screen surface to make some particles pass through the screen holes and divide the sand, gravel, crushed stone and other materials into different levels according to the particle size. The screening process of the screening machine is generally It is continuous. After the sieving raw material is fed to the sieving machine, the material smaller than the sieve hole size passes through the sieve hole, which is called the under-sieve product; the material larger than the sieve hole size is continuously discharged from the sieve surface, which is called the over-sieve product. .

The surface of the sieve hole of the existing trommel screening machine is often blocked with impurities after working for a certain period of time, and once the blockage rate is too high, the screening effect of the screen cylinder will be greatly reduced, and the existing screening device is a single screen. The cylindrical structure does not have a good dispersing effect on the material during the screening process.

Utility model content

The purpose of the utility model is to provide an anti-clogging screening device, through the design of the high-pressure nozzle, the cutting assembly and the turning plate, the problems that the existing screening device is easy to be blocked and the materials cannot be effectively dispersed during screening are solved .

In order to solve the above-mentioned technical problems, the utility model is realized through the following technical solutions:

The utility model relates to an anti-clogging screening device, comprising a base and a dust-proof casing; two support rods are fixedly connected on one surface of the base; two electric push rods are hinged on the top surface of the base; the dust-proof casing The bottom surface of the body is hinged with two electric push rods and support rods; a bracket is fixedly connected on one surface of the dust-proof shell; a lower hopper is fixedly connected with a surface of the bracket; The inner walls of the two support rings are connected with the screen cylinder through the bearing rotation; one end of the lower hopper extends to the inside of the screen cylinder; Nozzle; a group of anti-blocking nozzles facing the screen cylinder are fixedly connected to the bottom of several of the high-pressure nozzles;

The inner wall of the sieve cylinder is fixedly connected with a set of turning plates; the inner wall of the sieve cylinder is respectively fixedly connected with a first support plate and a second support plate; A rotating shaft; a set of cutting components is fixedly connected to the peripheral side of the rotating shaft; a transmission motor is fixedly connected to the top surface of the dust-proof casing;

Preferably, a belt groove matched with a transmission motor is fixedly opened on the peripheral side of the screen drum; a pulley matched with the transmission motor is fixedly connected to the position of the rotating shaft corresponding to the transmission motor.

Preferably, the top surface of the air distribution pipe is provided with a connecting joint; one end of the connecting joint extends to the outside of the dust-proof housing; the anti-blocking nozzles are distributed in a linear array on a surface of the high-pressure nozzle.

Preferably, the cutting assembly includes a connecting ring; the inner wall of the connecting ring is fixedly connected with the rotating shaft; the peripheral side surface of the connecting ring is fixedly connected with a group of cutting edges distributed in a circular array.

Preferably, the turning plates are distributed in a circular array on the inner wall of the sieve cylinder; a plurality of the high-pressure nozzles are distributed in a circular array on the peripheral side of the air distribution pipe; the air distribution pipe is an arc structure.

Preferably, the rotating shaft is opposite to the driving direction of the sieve drum; and the dust-proof casing is a hollow structure with an opening at the lower end.

The utility model has the following beneficial effects:

Through the design of the high-pressure nozzle and the anti-blocking nozzle, the utility model can periodically supply high-pressure airflow to the surface of the screen cylinder, and through the high-pressure airflow, the impurities that adhere or block in the sieve holes of the screen cylinder can be automatically cleaned. Through the realization of the automatic cleaning function, the anti-blocking performance of the screening device can be effectively improved. Through the design of the turning plate and the cutting assembly, the materials can be fully dispersed under the action of gravity and impact force during screening, and Through the design of the cutting component, the agglomerated materials can also be crushed and cut during screening, thereby effectively improving the yield rate and material screening effect during material screening.

Of course, any product implementing the present invention does not necessarily need to simultaneously achieve all of the above-mentioned advantages.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

Fig. 1 is the structural representation of a kind of anti-clogging screening device;

Fig. 2 is the schematic view of the bottom view structure of Fig. 1;

Fig. 3 is the cross-sectional structure schematic diagram of Fig. 1;

Figure 4 is a schematic structural diagram of a screen cylinder, an air distribution pipe, a high-pressure spray and an anti-blocking spray head;

5 is a schematic structural diagram of a cutting assembly;

In the accompanying drawings, the list of components represented by each number is as follows:

1. Base; 2. Dust-proof shell; 3. Support rod; 4. Electric push rod; 5. Bracket; 6. Lower hopper; 7. Support ring; 8. Screen cylinder; 9. Air distribution pipe; 10. High pressure Nozzle; 11. Anti-blocking nozzle; 12. Turnover plate; 13. First support plate; 14. Second support plate; 15. Rotary shaft; 16. Cutting assembly; 17. Transmission motor; connecting ring; 1602, cutting edge.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIGS. 1-5, the present utility model is an anti-clogging screening device, comprising a base 1 and a dust-proof casing 2; two struts 3 are fixedly connected on one surface of the base 1; the top surface of the base 1 is also Two electric push rods 4 are hinged; the bottom surface of the dust-proof housing 2 is hinged with the two electric push rods 4 and the support rod 3, and the two electric push rods 4 are used to change the inclination angle of the screen cylinder 8, and then change the material in the screen. A bracket 5 is fixedly connected to one surface of the dustproof shell 2; a lower hopper 6 is fixedly connected to one surface of the bracket 5; the inner surface of the dustproof shell 2 is fixedly connected with two symmetrically arranged The inner wall of the two supporting rings 7 is connected with the screen cylinder 8 through the bearing rotation; one end of the lower hopper 6 extends to the inside of the screen cylinder 8; 9 and the high-pressure nozzles 10 that communicate with each other; the bottoms of the three high-pressure nozzles 10 are fixedly connected with a group of anti-blocking nozzles 11 facing the screen cylinder 8. When in use, the air distribution pipe 9 is connected to the external high-pressure air through the connecting joint 18. The feeding equipment is connected, and after the three high-pressure nozzles 10 are ventilated, the impurities adhered or blocked in the sieve cylinder 8 are blown off by the high-pressure airflow, thereby ensuring the high filtering effect of the sieve cylinder 8;

A set of turning plates 12 are fixedly connected to the inner wall of the sieve cylinder 8; A rotating shaft 15 is rotatably connected between them; a set of cutting assemblies 16 are fixedly connected to the peripheral side of the rotating shaft 15; a transmission motor 17 is fixedly connected to the top surface of the dust-proof housing 2; It is drivingly connected with the screen drum 8 and the rotating shaft 15 .

Further, a belt groove matched with the transmission motor 17 is fixedly opened on the side surface of the sieve drum 8;

Further, the top surface of the air distribution pipe 9 is provided with a connecting joint 18 ; one end of the connecting joint 18 extends to the outside of the dustproof housing 2 ;

Further, the cutting assembly 16 includes a connecting ring 1601; the inner wall of the connecting ring 1601 is fixedly connected with the rotating shaft 15; the peripheral side surface of the connecting ring 1601 is fixedly connected with a group of cutting edges 1602 distributed in a circular array.

Further, the turning plates 12 are distributed in a circular array on the inner wall of the screen cylinder 8; the three high-pressure nozzles 10 are distributed in a circular array on the peripheral side of the air distribution pipe 9; the air distribution pipe 9 is an arc structure.

Further, the rotating shaft 15 is opposite to the driving direction of the screen cylinder 8; the dust-proof casing 2 is a hollow structure with an opening at the low end, the belt connection mode of the transmission motor 17 and the screen cylinder 8 is a normal belt connection mode, and the transmission motor 17 The belt connection with the rotating shaft 15 is an "8"-shaped belt connection, and then the rotating shaft 15 and the screen drum 8 are driven in opposite directions.

Before use, according to the screening scene and the properties of the material to be screened, the electric push rod 4 should be controlled by the controller to work, and then the inclination angle of the screen cylinder 8 should be changed, that is, the falling speed of the material during screening. Driven by the transmission motor 17, the rotating shaft 15 moves in a coaxial differential and reverse direction. The material to be screened enters the screen cylinder 8 from the lower hopper 6. After entering the screen cylinder 8, the material passes through the turning plate 1.

The function of 2 will continue to turn up and fall from a high place under the action of gravity, and when the material falls from a high place, on the one hand, it will be cut and scattered by the cutting component 16, so that the bonded materials are fully separated and cut. When the component 16 is working, it can also play a certain role in cutting large-particle waste, so as to improve the qualified rate of materials. The separation rate of the material is to improve the screening effect of the sieve cylinder 8, and when the sieve cylinder 8 is working, the air distribution pipe 9 discharges the air in time, and then the high-pressure airflow blows away the impurities adhering to or blocking the sieve cylinder 8.

In the description of this specification, description with reference to the terms "one embodiment", "example", "specific example", etc. means that a specific feature, structure, material or characteristic described in connection with the embodiment or example is included in the present invention. in at least one embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details, nor do they limit the invention to only the described embodiments. Obviously, many modifications and variations are possible in light of the contents of this specification. This specification selects and describes these embodiments in order to better explain the principle and practical application of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (6)

1. The utility model provides a prevent blockking up screening plant, includes base (1) and dust cover (2), its characterized in that:

one surface of the base (1) is fixedly connected with two supporting rods (3); the top surface of the base (1) is also hinged with two electric push rods (4); the bottom surface of the dustproof shell (2) is hinged with the two electric push rods (4) and the support rod (3); a bracket (5) is fixedly connected to one surface of the dustproof shell (2); a blanking hopper (6) is fixedly connected to one surface of the support (5); two symmetrically arranged support rings (7) are fixedly connected between the inner surfaces of the dustproof shell (2); the inner walls of the two support rings (7) are rotatably connected with a screen drum (8) through a bearing; one end of the lower hopper (6) extends into the sieve drum (8); the inner walls of the two support rings (7) are also fixedly provided with a group of high-pressure spray pipes (10) which are communicated with each other through air distribution pipes (9); the bottoms of the high-pressure spray pipes (10) are fixedly communicated with a group of anti-blocking spray heads (11) which are opposite to the screen drum (8);

a group of material turning plates (12) are fixedly connected to the inner wall of the screen cylinder (8); the inner wall of the screen drum (8) is fixedly connected with a first support plate (13) and a second support plate (14) respectively; a rotating shaft (15) is rotatably connected between the opposite surfaces of the first support plate (13) and the second support plate (14); a group of cutting assemblies (16) are fixedly connected to the peripheral side surface of the rotating shaft (15); the top surface of the dustproof shell (2) is fixedly connected with a transmission motor (17); one end of an output shaft of the transmission motor (17) is in transmission connection with the screen drum (8) and the rotating shaft (15) through belts respectively.

2. The anti-blocking screening device according to claim 1, wherein a belt groove matched with the transmission motor (17) is fixedly formed in the peripheral side surface of the screen drum (8); the position of the rotating shaft (15) corresponding to the transmission motor (17) is fixedly connected with a belt pulley matched with the transmission motor (17).

3. An anti-clogging screening device according to claim 1, characterized in that the top surface of said air distribution pipe (9) is provided with a connection joint (18); one end of the connecting joint (18) extends to the outer side of the dustproof shell (2); the anti-blocking spray heads (11) are distributed on one surface of the high-pressure spray pipe (10) in a linear array manner.

4. An anti-clogging screening device according to claim 1, wherein said cutting assembly (16) includes a connecting ring (1601); the inner wall of the connecting ring (1601) is fixedly connected with the rotating shaft (15); the side face of the connecting ring (1601) is fixedly connected with a group of cutting edges (1602) distributed in a circumferential array.

5. An anti-clogging screening device according to claim 1, characterized in that a plurality of said material-turning plates (12) are distributed in a circumferential array on the inner wall of the screen cylinder (8); the high-pressure spray pipes (10) are distributed on the circumferential side surface of the air distribution pipe (9) in a circumferential array manner; the air distribution pipe (9) is of an arc-shaped structure.

6. An anti-clogging screening device according to claim 1, characterised in that said shaft (15) is driven in the opposite direction to the screen cylinder (8); the dustproof shell (2) is of a hollow structure with an opening at the lower end.

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