CN210022791U - A high-efficiency double-layer screen - Google Patents

Abstract

The utility model relates to a high-efficiency double-layer screen, comprising a screening groove and a vibrator, wherein the vibrator is arranged on one side of the screening groove, two screen meshes are arranged inside the screening groove, and two supporting mechanisms are further included. The support mechanism is arranged on one side of the screening slot, and the support mechanism includes a base, a transmission rod, a rotating rod, a drive assembly and two connecting assemblies. The drive assembly includes a motor, a screw rod and a drive block. The connecting assembly Including support rods, lifting sleeves and springs, in this high-efficiency double-layer screen, the inclination angle of the screening tank can be automatically adjusted under the action of the support mechanism, so that the residual ore on the screen can fall to the screen of the screening tank along the screen. Externally, the probability of the screen being blocked is reduced, and the working efficiency of the double-layer screen is improved. Compared with the existing support mechanism, the support mechanism has a simple structure, which reduces the number of failure points of the mechanism and reduces the failure of the mechanism. Rate.

Description

A high-efficiency double-layer screen

technical field

The utility model relates to the field of mining equipment, in particular to a high-efficiency double-layer screen.

Background technique

The process in which the crushed and bulk materials are divided into different grades through one or several layers of sieve surface is called sieving. Gravel, crushed stone and other materials are divided into different levels of vibrating screening machinery and equipment according to particle size. The screening process of double-layer screening is generally continuous. The hole is called the product under the sieve, and the material larger than the size of the sieve hole is continuously discharged from the sieve surface, which is called the product on the sieve.

When the prior art double-layer screen screens the ore, the screened ore will remain on the screen. If the ore on the screen is not cleaned in time, the ore will block the screen, reducing the work of the double-layer screen. efficiency.

Utility model content

The technical problem to be solved by the utility model is: in order to overcome the deficiencies of the prior art, a high-efficiency double-layer screen is provided.

The technical scheme adopted by the utility model to solve the technical problem is: a high-efficiency double-layer screen, comprising a screening slot and a vibrator, the vibrator is arranged on one side of the screening slot, and the interior of the screening slot is provided with two The screen also includes two supporting mechanisms, the supporting mechanisms are arranged on one side of the screening tank;

The support mechanism includes a base, a transmission rod, a rotating rod, a drive assembly and two connecting assemblies, the base is parallel to the screen, the drive assembly is arranged on one side of the base, the rotating rod is parallel to the base, and the One end of the rotating rod is hinged with one end of the base, the other end of the rotating rod is hinged with one end of the transmission rod, the other end of the transmission rod is connected with the drive assembly, and the connecting assembly is arranged on the side of the rotating rod away from the base At one end of the rotating rod, the rotating rod is connected with the screening tank through a connecting component, and a discharge port is provided on the side of the screening tank away from the driving component.

Preferably, in order to provide power to the rotating rod, the drive assembly includes a motor, a lead screw and a drive block, the lead screw is parallel to the base, both ends of the lead screw are provided with bearings, and the lead screw is arranged through the bearings On one side of the base, a through hole is provided inside the drive block, the screw rod passes through the drive block, the screw rod is threadedly connected with the drive block, and the drive block is hinged with the end of the transmission rod away from the rotating rod , the motor is fixed on the base, and the motor is connected with the screw drive.

Preferably, in order to improve the stability of the connection between the screening slot and the rotating rod, the connecting assembly includes a support rod, a lifting sleeve and a spring, and the support rod is arranged at one end of the rotating rod on the side close to the screening slot. The rod is perpendicular to the rotating rod, the support rod passes through the lifting sleeve, the lifting sleeve is slidably connected with the support rod, the spring is sleeved on the support rod, and the rotating rod is fixedly connected with the lifting sleeve through the spring.

Preferably, in order to improve the balance of the screening slot, a support block is provided on the side of the rotating rod close to the end of the screw rod and close to the base, and the support block is made of rubber.

Preferably, in order to improve the stability of the connection between the lifting sleeve and the support rod, a limit block is provided on the end of the support rod away from the rotating rod, and the width of the limit block is larger than the inner diameter of the lift sleeve.

Preferably, in order to improve the stability of the drive block, a guide rail is fixed on one side of the base, the guide rail is parallel to the screw rod, the guide rail passes through the drive block, and the drive block is slidably connected to the guide rail.

The beneficial effect of the utility model is that in the high-efficiency double-layer screen, the inclination angle of the screening tank can be automatically adjusted under the action of the support mechanism, so that the ore remaining on the screen can be dropped to the outside of the screening tank along the screen. Therefore, the probability of the screen being blocked is reduced, and the working efficiency of the double-layer screen is improved. Compared with the existing support mechanism, the support mechanism has a simple structure, reduces the number of failure points of the mechanism, and reduces the failure rate of the mechanism.

Description of drawings

The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

Fig. 1 is the structural representation of the high-efficiency double-layer screen of the present utility model;

Fig. 2 is the structural representation of the support mechanism of the high-efficiency double-layer screen of the present invention;

Figure 3 is a schematic diagram of the connection structure between the screening tank and the screen mesh of the high-efficiency double-layer screen of the present invention

In the picture: 1. Screening slot, 2. Vibrator, 3. Support rod, 4. Lifting sleeve, 5. Spring, 6. Base, 7. Rotating rod, 8. Motor, 9. Driving block, 10. Transmission rod , 11. Screw, 12. Guide rail, 13. Support block, 14. Screen, 15. Outlet.

Detailed ways

The present utility model will now be described in further detail in conjunction with the accompanying drawings. These drawings are all simplified schematic diagrams, and only illustrate the basic structure of the present invention in a schematic manner, so they only show the structures related to the present invention.

As shown in Figure 1, a high-efficiency double-layer screen includes a screening tank 1 and a vibrator 2, the vibrator 2 is arranged on one side of the screening tank 1, and the interior of the screening tank 1 is provided with two screen meshes 14 , also includes two supporting mechanisms, the supporting mechanisms are arranged on one side of the screening slot 1;

Under the action of the support mechanism, the inclination angle of the screening tank 1 can be automatically adjusted, so that the ore remaining on the screen 14 can fall to the outside of the screening tank 1 along the screen 14, thereby reducing the probability of the screen 14 being blocked. , which improves the working efficiency of the double-layer screen;

As shown in Figures 1-2, the support mechanism includes a base 6, a transmission rod 10, a rotating rod 7, a drive assembly and two connecting assemblies, the base 6 is parallel to the screen 14, and the drive assembly is arranged on the base 6 One side of the rotating rod 7 is parallel to the base 6, one end of the rotating rod 7 is hinged with one end of the base 6, and the other end of the rotating rod 7 is hinged with one end of the transmission rod 10. The other end is connected with the drive assembly, the connecting assembly is arranged at one end of the rotating rod 7 away from the side of the base 6, the rotating rod 7 is connected with the screening groove 1 through the connecting assembly, and the screen groove 1 is far from the driving assembly. There is a discharge port 15 on one side;

The operator controls the double-layer screen. Under the action of the connecting assembly, the stability of the connection between the screening tank 1 and the rotating rod 7 is improved, and the vibrator 2 provides power to drive the screening tank 1 and the screen 14 to vibrate, and then the screen is passed through the screen. 14 Screen the ore, at this time the screened ore remains on the screen 14, and is powered by the driving component. The rotating rod 7 drives the screening tank 1 to rotate, so that the ore is discharged along the screen 14 from the discharge port 15 to the outside of the screening tank 1 under the action of gravity, which reduces the probability of the screen 14 being blocked and improves the The working efficiency of the double-layer screen is improved.

As shown in FIG. 2 , the drive assembly includes a motor 8 , a screw rod 11 and a drive block 9 . The screw rod 11 is parallel to the base 6 , and bearings are provided at both ends of the screw rod 11 . The screw rod 11 A bearing is provided on one side of the base 6 , a through hole is provided inside the driving block 9 , the screw rod 11 passes through the driving block 9 , the screw rod 11 is threadedly connected with the driving block 9 , and the driving block 9 It is hinged with the end of the transmission rod 10 away from the rotating rod 7, the motor 8 is fixed on the base 6, and the motor 8 is connected with the screw rod 11 in a driving manner;

The lead screw 11 is driven by the motor 8 to rotate, then the drive block 9 is driven by the lead screw 11 to move along the lead screw 11, then under the transmission action of the transmission rod 10, the rotating rod 7 is driven by the drive block 9 to revolve around the hinge with the base 6 When the point is rotated, the adjustment of the inclination of the screening tank 1 is realized by rotating the lever 7 .

As shown in FIG. 1 , the connecting assembly includes a support rod 3 , a lifting sleeve 4 and a spring 5 , the support rod 3 is arranged on the side of one end of the rotating rod 7 close to the screening slot 1 , and the support rod 3 is connected to the side of the screen groove 1 . The rotating rod 7 is vertical, the support rod 3 passes through the lifting sleeve 4, the lifting sleeve 4 is slidably connected with the support rod 3, the spring 5 is sleeved on the support rod 3, and the rotating rod 7 passes through the spring 5 It is fixedly connected with the lifting sleeve 4;

Under the supporting action of the rotating rod 7, the stability of the supporting rod 3 is improved, and then the stability of the screening tank 1 is improved under the action of the connection between the supporting rod 3 and the lifting sleeve 4, and then the screening tank is driven by the vibrator 2. 1 vibrates, then under the action of the spring 5, the screening tank 1 vibrates up and down along the support rod 3, and the ore is screened through the screen 14.

Preferably, in order to improve the balance of the screening groove 1, the side of the rotating rod 7 close to the end of the screw rod 11 and close to the base 6 is provided with a support block 13, and the material of the support block 13 is rubber;

Under the supporting action of the support block 13 , the rotating rod 7 is kept parallel to the base 6 , and the balance of the screening tank 1 is improved by rotating the rod 7 .

Preferably, in order to improve the stability of the connection between the lifting sleeve 4 and the support rod 3 , a limit block is provided on the end of the support rod 3 away from the rotating rod 7 , and the width of the limit block is larger than the inner diameter of the lifting sleeve 4 ;

Through the limiting function of the limiting block, the probability of the lifting sleeve 4 falling off from the support rod 3 is reduced, and the stability of the connection between the lifting sleeve 4 and the support rod 3 is improved.

Preferably, in order to improve the stability of the drive block 9, a guide rail 12 is fixed on one side of the base 6, the guide rail 12 is parallel to the screw 11, the guide rail 12 passes through the drive block 9, and the drive block 9 is connected to The guide rail 12 is slidably connected;

Through the guiding function of the guide rail 12 , the driving block 9 can move along the guide rail 12 , thereby improving the stability of the driving block 9 .

Under the action of the connecting assembly, the stability of the connection between the screening slot 1 and the rotating rod 7 is improved, and the driving assembly provides power. Under the transmission action of the transmission rod 10, the rotating rod 7 is driven to rotate around the hinge point with the base 6, Then, the rotating rod 7 drives the screening tank 1 to rotate, so that the ore is discharged from the discharge port 15 to the outside of the screening tank 1 along the screen 14 under the action of gravity, which reduces the probability of the screen 14 being blocked. The working efficiency of the double-layer screen is improved.

Compared with the prior art, in the high-efficiency double-layer screen, the inclination angle of the screening tank 1 can be automatically adjusted under the action of the supporting mechanism, so that the ore remaining on the screen 14 can be dropped to the screening tank along the screen 14. 1, the probability of the screen 14 being blocked is reduced, and the working efficiency of the double-layer screen is improved. Compared with the existing support mechanism, the support mechanism has a simple structure, reduces the number of failure points of the mechanism, and reduces the Institutional failure rate.

Taking the above ideal embodiment according to the present invention as inspiration, through the above description, relevant staff can make various changes and modifications without departing from the technical idea of the present invention. The technical scope of the present utility model is not limited to the content in the description, and its technical scope must be determined according to the scope of the claims.

Claims (6)

1. A high-efficiency double-layer sieve comprises a sieving tank (1) and a vibrator (2), wherein the vibrator (2) is arranged on one side of the sieving tank (1), and two screens (14) are arranged inside the sieving tank (1), and the high-efficiency double-layer sieve is characterized by further comprising two supporting mechanisms which are arranged on one side of the sieving tank (1);

the supporting mechanism includes base (6), transfer line (10), dwang (7), drive assembly and two coupling assembling, base (6) are parallel with screen cloth (14), drive assembly sets up the one side in base (6), dwang (7) are parallel with base (6), the one end of dwang (7) is articulated with the one end of base (6), the other end of dwang (7) is articulated with the one end of transfer line (10), the other end and the drive assembly of transfer line (10) are connected, coupling assembling sets up the one end in the one side of keeping away from base (6) of dwang (7), dwang (7) are connected with screening groove (1) through coupling assembling, the one side of keeping away from drive assembly of screening groove (1) is equipped with discharge gate (15).

2. The high-efficiency double-layer screen according to claim 1, wherein the driving assembly comprises a motor (8), a screw rod (11) and a driving block (9), the screw rod (11) is parallel to the base (6), bearings are arranged at two ends of the screw rod (11), the screw rod (11) is arranged on one side of the base (6) through the bearings, a through hole is formed in the driving block (9), the screw rod (11) penetrates through the driving block (9), the screw rod (11) is in threaded connection with the driving block (9), the driving block (9) is hinged to one end, away from the rotating rod (7), of a transmission rod (10), the motor (8) is fixed on the base (6), and the motor (8) is in transmission connection with the screw rod (11).

3. The high-efficiency double-layer screen according to claim 1, wherein the connecting assembly comprises a support rod (3), a lifting sleeve (4) and a spring (5), the support rod (3) is arranged at one end of a rotating rod (7) close to one side of the screening groove (1), the support rod (3) is perpendicular to the rotating rod (7), the support rod (3) penetrates through the lifting sleeve (4), the lifting sleeve (4) is in sliding connection with the support rod (3), the spring (5) is sleeved on the support rod (3), and the rotating rod (7) is fixedly connected with the lifting sleeve (4) through the spring (5).

4. The high-efficiency double-layer screen as claimed in claim 1, wherein one side of one end of the rotating rod (7) close to the screw rod (11) close to the base (6) is provided with a supporting block (13), and the supporting block (13) is made of rubber.

5. The high-efficiency double-layer screen as claimed in claim 3, wherein a limit block is arranged at one end of the support rod (3) far away from the rotating rod (7), and the width of the limit block is larger than the inner diameter of the lifting sleeve (4).

6. The high-efficiency double-layer screen according to claim 2, characterized in that a guide rail (12) is fixed on one side of the base (6), the guide rail (12) is parallel to the screw rod (11), the guide rail (12) passes through the driving block (9), and the driving block (9) is connected with the guide rail (12) in a sliding manner.

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