CN215198073U - High-efficient leak protection drum sieve - Google Patents

Abstract

The utility model discloses a high-efficient leak protection drum sieve belongs to drum sieve technical field, and this drum sieve passes through power device at the internal self-rotation of shell including the cylinder that has the sieve mesh and the shell body that has the blanking mouth, cylinder, and cylinder one end is equipped with the feed inlet, and the other end is equipped with the discharge gate, forms between shell body and the cylinder and holds the chamber, is equipped with on the cylinder to holding the chamber and carry out sealed first sealing device. The utility model discloses a set up the bush that has the blade on the cylinder outer wall and can utilize its water conservancy diversion effect to seal the material at the both ends of drum sieve, prevent that the drum sieve both ends from leaking the material, simple structure is sealed effectual, sets up annular rubber slab and can further seal the drum sieve both ends on the shell body, improves sealed effect, reduces because of leaking the unnecessary work that the material brought.

Description

High-efficient leak protection drum sieve

Technical Field

The utility model belongs to the technical field of the drum sieve, concretely relates to high-efficient leak protection drum sieve.

Background

At present, the stock of untreated urban domestic garbage in China is increased year by year, and the components of the domestic garbage are very complex, including plastic rubber, paper, glass, metal, muck, sand and the like, and the domestic garbage has recyclable resources, so that the domestic garbage needs to be screened out for comprehensive utilization, and the screening of the urban domestic garbage is an important problem and is a difficult project. The drum screen is used as a core device for garbage pre-sorting, and utilizes the rotary motion of a sieve plate internally provided with a bag breaking knife and a material raising plate to break and sort the bags of the garbage.

The existing drum sieves are obliquely arranged, the arrangement angles are different in the range of 2-7 degrees, and when the arrangement angle is too small, the advancing speed of materials is slowed down, so that the screening work is influenced; when setting up inclination too big, its screening efficiency step-down screening is insufficient, and the too big rubbish that gets into in the drum sieve barrel of inclination all has sealed not well in feeding department and ejection of compact department simultaneously, and the gap between the shell body has the problem of leaking the material.

SUMMERY OF THE UTILITY MODEL

The technical problem is as follows: to the above-mentioned problem that exists among the prior art, the utility model aims to solve the technical problem that a high-efficient leak protection drum sieve that screening efficiency is high and not leak material is provided.

The technical scheme is as follows: in order to solve the technical problem, the utility model discloses a technical scheme as follows:

the utility model provides a high-efficient leak protection drum sieve, is including the cylinder that has the sieve mesh and the shell body that has the blanking mouth, the cylinder passes through power device self-rotation in the shell body, cylinder one end is equipped with the feed inlet, and the other end is equipped with the discharge gate, form between shell body and the cylinder and hold the chamber, be equipped with on the cylinder and carry out sealed first sealing device to holding the chamber.

Furthermore, the first sealing device is a bushing with a plurality of blades arranged on the surface, and a gap is formed between the upper edge of each blade and the inner wall of the outer shell.

Furthermore, the number of the first sealing devices is two, and the first sealing devices are arranged at two ends of the roller in a mirror symmetry mode by taking a middle line of the roller as a symmetry axis.

Furthermore, the blades are rectangular or arc-shaped and are uniformly distributed along the outer circumferential wall of the bushing.

Further, still be equipped with second sealing device on the shell body, second sealing device includes link and annular rubber slab, annular rubber slab passes through the link and can dismantle with the shell body and be connected.

Furthermore, the annular rubber plate is connected with the connecting frame through a plurality of bolts.

Furthermore, an annular pressure plate is connected to the annular rubber plate.

Furthermore, the outer walls of the two ends of the roller are respectively provided with an annular blocking plate, and the height of the annular blocking plate is equal to that of the blade.

Furthermore, a filter plate is arranged in the blanking port.

Has the advantages that: compared with the prior art, the utility model has the advantages of it is following: the lining with the blades is arranged on the outer wall of the roller, so that the materials can be sealed at two ends of the rotary screen by utilizing the diversion effect of the lining, the material leakage at two ends of the rotary screen is prevented, the sealing effect is good due to the simple structure, the two ends of the rotary screen can be further sealed by arranging the annular rubber plate on the outer shell, the sealing effect is improved, and the unnecessary labor caused by the material leakage is reduced.

Drawings

FIG. 1 is a schematic cross-sectional structure of the present invention;

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is a schematic side view of the present invention;

FIG. 4 is a schematic view of the bushing in its expanded configuration with the first embodiment blade configuration;

FIG. 5 is a schematic view of a bushing in an expanded configuration with another embodiment of a vane structure.

Detailed Description

The present invention will be further illustrated by the following specific examples, which are carried out on the premise of the technical scheme of the present invention, and it should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.

As shown in figures 1, 2 and 3, a high-efficiency leakproof drum screen comprises a drum 1 with screen holes 13 and an outer shell 2 with a blanking port 21, wherein the drum 1 rotates in the outer shell 2 by a power device 3, the power device 3 drives the drum 1 to roll by a driving riding wheel and the like in the existing driving mode, one end of the drum 1 is provided with a feeding port 11, the other end of the drum 1 is provided with a discharging port 12, materials such as garbage and the like enter the drum 1 from the feeding port 11, the drum 1 rotates by the power device 3 continuously, the screen holes 13 are arranged on the drum 1, so that the materials entering the drum 1 are screened continuously by the screen holes 13 on the wall body of the drum 1, a containing cavity 4 is formed between the outer shell 2 and the drum 1, and screened smaller materials fall into the blanking port 21 from the containing cavity 4 and enter a conveying device such as a conveying belt below from the blanking port 21 for further treatment, the blanking port 21 is also internally provided with a filter plate 22 for further filtering the materials which enter, the roller 1 is generally arranged obliquely from the feeding port 11 to the discharging port 12, so that the materials are ensured to move forwards continuously, and the larger materials left in the roller 1 slide out or are manually taken out from the discharging port 12 to enter the next link for processing;

as shown in fig. 1 and 4, after the trommel is used for a long time, the screened small materials in the cavity 4 can leak from the two ends of the trommel, in order to prevent the situation, a bushing 51 for blocking and sealing the cavity 4 is arranged on the outer wall of the roller 1, and the bushing 51 and the roller 1 can be welded or detachably connected in a bolt connection mode or the like; a plurality of blades 52 are uniformly arranged on the outer surface of the bush 51, a gap is formed between the upper edge of each blade 52 and the inner wall of the outer shell 2, the bush 51 and the blades 52 form a first sealing device 5, the first sealing devices 5 are arranged in two positions of the roller 1 in a mirror symmetry mode by taking the middle line of the roller 1 as a symmetry axis, and the two ends of the roller 1 are sealed; the welding line section of the blade 52 and the roller 1 is rectangular, the working surface of the blade 52 is inclined to the horizontal plane, when the roller 1 rotates automatically, the blade 52 rotates along with the roller, so that a guide plate effect is achieved, the rotation direction of the roller 1 is controlled to enable the blade 52 to perform reverse limiting effect on materials in the accommodating cavity 4 and guide the materials to move into the accommodating cavity 4, the two groups of blades are arranged in a mirror image mode, the materials can be prevented from leaking upwards from a gap between the roller 1 and the outer shell 2 at the feed inlet 11, the materials can be prevented from leaking downwards from the gap between the roller 1 and the outer shell 2 at the discharge outlet 12, so that the accommodating cavity 4 is sealed by the guide plate from two ends, and a good sealing effect on undersize materials is achieved; the outer walls of the two ends of the roller 1 are respectively provided with an annular blocking plate 14, the annular blocking plates 14 are arranged at the outer ends of the corresponding blades 52, the height of each annular blocking plate 14 is equal to that of each blade 52, the outer ends of the blades 52 can be blocked, and the blocking sealing effect of the blades 52 is further improved.

As shown in fig. 1, 2 and 3, the outer casing 2 is further provided with two second sealing devices 6, the two second sealing devices 6 are arranged at two ends of the outer casing 2 in mirror symmetry with a middle line of the outer casing 2 as a symmetry axis, each second sealing device 6 comprises a connecting frame 61 and an annular rubber plate 62, each annular rubber plate 62 extends towards the circle centers of the corresponding feed inlet 11 and the corresponding discharge outlet 12, so that part of the feed inlet 11 and the corresponding discharge outlet 12 can be covered by an outer ring, the annular rubber plates 62 can further block materials which run out of the blades 52, the inner sides of the annular rubber plates 62 can be in contact with the annular blocking plates 14 or in contact with the end faces of the rotary drum 1, and better prevent the materials from leaking, the annular rubber plates 62 can be detachably connected with the connecting frames 61 through a plurality of bolts 621, the annular rubber plates 62 can be worn and directly replaced after being damaged through a detachable connection mode, the connecting frames 61 and the outer casing 2 can be fixedly welded or detachably connected with the outer casing 2 through bolts and the like The outer end of the annular rubber plate 62 is further connected with an annular pressing plate 63, and the plurality of bolts 621 can better press the annular rubber plate 62 through the annular pressing plate 63.

As shown in fig. 5, the arrangement mode is different from the first type of blade in that the blade 52 is arranged in an arc shape with the welded line section of the drum 1, which can better block the material during diversion.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (9)

1. The utility model provides a high-efficient leak protection drum sieve, its characterized in that, including cylinder (1) that has sieve mesh (13) and shell body (2) that have blanking mouth (21), cylinder (1) is through power device (3) self-rotation in shell body (2), cylinder (1) one end is equipped with feed inlet (11), and the other end is equipped with discharge gate (12), it holds chamber (4) to form between shell body (2) and cylinder (1), be equipped with on cylinder (1) and carry out sealed first sealing device (5) to holding chamber (4).

2. A highly efficient leak-proof trommel as claimed in claim 1 wherein said first sealing means (5) is a bushing (51) having a plurality of vanes (52) on its surface, said vanes (52) having a gap between their upper edges and the inner wall of the outer casing (2).

3. The high-efficiency leakproof drum screen according to claim 2, characterized in that the first sealing devices (5) are two in number and are arranged at the two ends of the drum (1) in mirror symmetry with the middle line of the drum (1) as the symmetry axis.

4. A highly efficient leak-proof trommel as claimed in claim 2 wherein said vanes (52) are rectangular or arcuate and are evenly distributed along the outer circumferential wall of said sleeve (51).

5. The efficient leakage-proof drum screen according to claim 1, characterized in that a second sealing device (6) is further arranged on the outer casing (2), the second sealing device (6) comprises a connecting frame (61) and an annular rubber plate (62), and the annular rubber plate (62) is detachably connected with the outer casing (2) through the connecting frame (61).

6. The high efficiency, leak-proof trommel as claimed in claim 5 wherein said annular rubber sheet (62) is attached to the attachment frame (61) by a plurality of bolts (621).

7. The efficient leakage-proof drum screen according to claim 5, characterized in that an annular pressing plate (63) is further connected to the annular rubber plate (62).

8. The efficient leakage-proof drum screen according to claim 2, characterized in that the outer walls of the two ends of the drum (1) are respectively provided with an annular blocking plate (14), and the height of the annular blocking plate (14) is equal to the height of the blades (52).

9. A highly efficient leak-proof trommel as claimed in claim 1 wherein said blanking port (21) is provided with a filter plate (22) therein.

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