CN220635181U - Hexagonal drum screen - Google Patents

Abstract

The utility model discloses a hexagonal drum screen, which comprises a fixed frame, a hexagonal frame, a vibrating frame and a discharging hopper, wherein the six faces of the hexagonal frame are respectively provided with a screen, the two ends of the hexagonal frame are respectively provided with annular rollways, the fixed frame is provided with a roller bracket, the roller bracket is provided with a supporting roller, the supporting roller is in rolling contact with the annular rollways, the vibrating frame penetrates into the hexagonal frame, the vibrating frame is of an inclined structure, the side face of the vibrating frame is provided with a vibrating motor, the vibrating frame is provided with a screen plate, the two sides of the upper surface of the fixed frame are respectively provided with a spring bracket, and a spring is arranged between the spring bracket and the vibrating frame; the material is uniformly dispersed while classified and screened, so that the screening efficiency of the material in the hexagonal drum screen can be greatly improved, the stress of the screen is uniform, and the service life of the screen is prolonged.

Description

Hexagonal drum screen

Technical Field

The utility model relates to the technical field of rotary screens, in particular to a hexagonal rotary screen.

Background

The working principle of the drum screen is that after materials enter the drum device, the materials on the screen surface are overturned and rolled due to the inclination and rotation of the drum device, so that qualified materials are discharged through a discharge port at the bottom of the rear end of the drum, and unqualified materials are discharged through a discharge port at the tail of the drum.

In order to improve screening efficiency, the drum screen is designed to be of a hexagonal or octagonal structure, so that the area of a screen can be increased, and further, screening efficiency is improved, a motor is adopted by the existing hexagonal drum screen to rotate through a shaft coupling driving shaft, and further, a drum is driven to rotate, and materials enter from one end of the drum; the existing rolling screen has the defects that the screening of materials is centralized due to the fact that the materials enter from one point, the screening amount of a feeding end is large, the screen is seriously worn, the screening amount of a far end is small, the screen is little worn, so that the screening efficiency is low, the service life of equipment is short, the existing rolling screen can only conduct primary screening, and the requirement on multi-stage screening of the materials is difficult to meet; chinese patent application No. 202023218875.9 discloses a hexagonal screen, wherein the hexagonal screen rotatably mounts a screen on a frame, and the screen can be rotated to throw out the silt mixed with plastic slag in the screen, so as to only retain the plastic slag to be recovered, and the thrown out silt is discharged through a containing groove in a concentrated manner; the hexagonal sieve can only be screened once, and one end is fed, so that the screening problem is solved; a hexagonal trommel screen has been proposed.

Disclosure of Invention

The utility model aims to overcome the prior art, and provides the hexagonal drum screen, which can uniformly disperse materials while classifying and screening the materials, so that the screening efficiency of the materials in the hexagonal drum screen can be greatly improved, the stress of a screen is uniform, the service life of the screen is prolonged, the vibrating screening is utilized to perform primary screening and feeding, the primary screening efficiency is accelerated, and the problems in the background art can be effectively solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a hexagonal drum sieve, includes fixed frame, hexagonal frame, vibrating frame and lower hopper, is provided with the screen cloth on six faces of hexagonal frame respectively, and the both ends of hexagonal frame are provided with annular raceway respectively, are provided with the gyro wheel support on the fixed frame, are provided with the supporting roller on the gyro wheel support, and supporting roller and annular raceway rolling contact, vibrating frame wears to in the hexagonal frame, and vibrating frame is the slope structure, and vibrating frame's side is provided with vibrating motor, is provided with the sieve on the vibrating frame, fixed frame upper surface both sides are provided with spring bracket respectively, are provided with the spring between spring bracket and the vibrating frame, and the lower extreme export of lower hopper corresponds with vibrating frame's upward incline end, is provided with the backup pad between the side of lower hopper and the fixed frame.

Further, a gear ring is arranged on the annular rollaway nest at the right end of the hexagonal frame, a driving gear is meshed with the gear ring, a motor is arranged on the spring support, and an output shaft of the motor is connected with the driving gear.

Further, the fixed frame is provided with an outer shell, the hexagonal frame is positioned in the outer shell, and the lower part of the outer shell is provided with a discharge hole.

Further, the hexagonal frame is provided with an included angle of not less than 10 degrees with the horizontal plane, the left end of the hexagonal frame is provided with an oversize material discharging hole, and the right end of the hexagonal frame is provided with a material blocking ring.

Further, the sieve pore diameter of the sieve plate is larger than that of the sieve.

Further, a limiting ring is arranged on the annular roller path and used for limiting the hexagonal frame to move in rolling.

Compared with the prior art, the utility model has the beneficial effects that:

1. the material is uniformly dispersed when being classified and screened, so that the screening efficiency of the material in the hexagonal drum screen can be greatly improved, the stress of the screen is uniform, the service life of the screen is prolonged, the vibrating screening is utilized for primary screening and feeding, and the primary screening efficiency is accelerated.

2. The supporting roller realizes the rolling support of the hexagonal frame and ensures the hexagonal frame

And the hexagonal frame is stable in the rotating process, and the limiting ring is used for limiting the movement of the hexagonal frame in the rolling process, so that the rolling structure of the hexagonal frame is ensured to be stable.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of the present utility model at A;

FIG. 3 is a schematic cross-sectional view of the present utility model;

FIG. 4 is a schematic elevational view of the present utility model;

FIG. 5 is a schematic diagram of the structure of the discharge port of the oversize product of the present utility model.

In the figure: the device comprises a shell body 1, a discharge hole 2, a ring-shaped roller path 3, a supporting roller 4, a roller bracket 5, a fixed frame 6, a material blocking ring 7, a driving gear 8, a motor 9, a spring bracket 10, a supporting plate 11, a spring 12, a gear ring 13, a discharging hopper 14, a vibrating frame 15, a screen 16, a limiting ring 17, a hexagonal frame 18, a screen plate 19, a vibrating motor 20 and a screen upper discharge hole 21.

Detailed Description

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: a hexagonal drum screen comprises a fixed frame 6, a hexagonal frame 18, a vibrating frame 15 and a discharging hopper 14, wherein six faces of the hexagonal frame 18 are respectively provided with a screen 16, the screen area of the six faces of the hexagonal frame 16 can be increased, the hexagonal frame 18 and a horizontal plane are provided with an included angle of not less than 10 degrees, the left end of the hexagonal frame 18 is provided with a screen material outlet 21, the right end of the hexagonal frame 18 is provided with a material blocking ring 7, the material blocking ring 7 plays a role in blocking materials on the screen 16, the materials are prevented from being discharged from the left end of the hexagonal frame 18, two ends of the hexagonal frame 18 are respectively provided with an annular roller way 3, a roller bracket 5 is arranged on the fixed frame 6, a supporting roller 4 is arranged on the roller bracket 5 and in rolling contact with the annular roller way 3, the supporting roller 4 realizes rolling support on the hexagonal frame 18, the hexagonal frame 18 is ensured to be stable in the rotating process, the vibrating frame 15 penetrates into the hexagonal frame 18, the vibrating frame 15 is of an inclined structure, a vibrating motor 20 is arranged on the side face of the vibrating frame 15, a screen plate 19 is arranged on the vibrating frame 15, the vibrating frame 15 can be driven to vibrate through the vibrating motor 20, materials on the screen plate 19 roll downwards for screening under the action of exciting force, screening efficiency and material dispersing efficiency are improved, oversize materials are discharged from the left end of the screen plate 19, the materials are subjected to primary screening, then screened again through a screen 16 on the hexagonal frame 18, the screening requirement of the materials is met, spring brackets 10 are respectively arranged on two sides of the upper surface of the fixed frame 6, springs 12 are arranged between the spring brackets 10 and the vibrating frame 15, the function of elastically supporting the spring brackets 10 is achieved through the springs 12, the outlet of the lower end of the lower hopper 14 corresponds to the upward inclined end of the vibrating frame 15, a support plate 11 is provided between the side of the lower hopper 14 and the fixed frame 6.

The annular roller path 3 at the right end of the hexagonal frame 18 is provided with a gear ring 13, the gear ring 13 is meshed with a driving gear 8, the spring support 10 is provided with a motor 9, an output shaft of the motor 9 is connected with the driving gear 8, the driving gear 8 is driven to rotate by the motor 9, the driving gear 8 is meshed with the gear ring 13, and the hexagonal frame 18 is driven to be fixed, so that rolling screening of materials is realized.

The fixed frame 6 is provided with the shell body 1, the hexagonal frame 18 is arranged in the shell body 1, the lower part of the shell body 1 is provided with the discharge opening 2, the shell body 1 plays a role in protecting the screen 16, meanwhile, screened materials can be gathered together, and after the materials are collected, the materials are discharged through the discharge opening 2.

The sieve pore diameter of the sieve plate 19 is larger than that of the sieve 16, so that the material classification requirement is met.

The annular roller path 3 is provided with the limiting ring 17, and the limiting ring 17 is used for limiting the movement of the hexagonal frame 18 in rolling, so that the stability of the rolling structure of the hexagonal frame 18 is ensured.

When in use: the materials are sent to the discharging hopper 14 through a screw conveyor, fall onto the screen plate 19 from the lower end of the discharging hopper 14, are subjected to downward vibration screening under the action of the exciting force of the vibrating motor 20, fall onto the screen 16 of the hexagonal frame 18 after being dispersed by the screen plate 19, the oversize materials on the screen plate 19 are discharged from the left end of the screen plate 19, the screen 16 is screened, fall on the inner side of the outer shell 1, are discharged through the discharge port 2, and the screen materials are discharged through the oversize material discharge port 21.

While the basic principles of the utility model have been shown and described, there are various changes and modifications to the utility model, which fall within the scope of the utility model as hereinafter claimed, without departing from the spirit and scope of the utility model.

Claims (6)

1. The utility model provides a hexagonal drum sieve, includes fixed frame (6), hexagonal frame (18), vibration frame (15) and lower hopper (14), its characterized in that: the screen cloth (16) is arranged on six faces of the hexagonal frame (18) respectively, annular rollaway nest (3) is arranged at two ends of the hexagonal frame (18) respectively, a roller support (5) is arranged on the fixed frame (6), a supporting roller (4) is arranged on the roller support (5), the supporting roller (4) is in rolling contact with the annular rollaway nest (3), the vibrating frame (15) penetrates into the hexagonal frame (18), the vibrating frame (15) is of an inclined structure, a vibrating motor (20) is arranged on the side face of the vibrating frame (15), a screen plate (19) is arranged on the vibrating frame (15), spring supports (10) are arranged on two sides of the upper surface of the fixed frame (6) respectively, springs (12) are arranged between the spring supports (10) and the vibrating frame (15), a lower end outlet of the lower hopper (14) corresponds to the upward inclined end of the vibrating frame (15), and a supporting plate (11) is arranged between the side face of the lower hopper (14) and the fixed frame (6).

2. A hexagonal drum screen as claimed in claim 1, wherein: the novel gear ring is characterized in that a gear ring (13) is arranged on the annular rollaway nest (3) at the right end of the hexagonal frame (18), the gear ring (13) is meshed with a driving gear (8), a motor (9) is arranged on the spring support (10), and an output shaft of the motor (9) is connected with the driving gear (8).

3. A hexagonal drum screen as claimed in claim 1, wherein: the fixed frame (6) is provided with an outer shell (1), the hexagonal frame (18) is positioned in the outer shell (1), and the lower part of the outer shell (1) is provided with a discharge opening (2).

4. A hexagonal drum screen as claimed in claim 1, wherein: the screen material screening device is characterized in that the included angle between the hexagonal frame (18) and the horizontal plane is not smaller than 10 degrees, the left end of the hexagonal frame (18) is provided with a screen material outlet (21), and the right end of the hexagonal frame (18) is provided with a material blocking ring (7).

5. A hexagonal drum screen as claimed in claim 1, wherein: the sieve pore diameter of the sieve plate (19) is larger than that of the sieve mesh (16).

6. A hexagonal drum screen as claimed in claim 1, wherein: annular rollaway nest (3)

And a limiting ring (17) is arranged on the frame, and the limiting ring (17) is used for limiting the hexagonal frame (18) to move in rolling.