CN112893117A

CN112893117A - Cleaning device for screening barrel

Info

Publication number: CN112893117A
Application number: CN202110289322.2A
Authority: CN
Inventors: 汪建; 陈建龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-18
Filing date: 2021-03-18
Publication date: 2021-06-04

Abstract

The invention provides a cleaning device of a screening barrel, which comprises a shovel brush unit moving relative to the net surface of the screening barrel, wherein a cleaning head of the shovel brush unit is positioned at the outer side of the net surface of the screening barrel, and the shovel brush unit and the cleaning head are arranged close to each other. The cleaning of screening bucket is realized through the shovel brush unit that adds relative wire side motion in the above-mentioned scheme, prevents too much bonding of lime-soil or stone, material jamming in sieve hole department.

Description

Cleaning device for screening barrel

Technical Field

The invention relates to a cleaning device for a material screening barrel.

Background

In the prior art, mine materials or gravel and earth and stone materials are generally shoveled by using equipment such as an excavator and are stacked or loaded on a transport vehicle or other transport equipment in an indexing manner and transported to other places. Due to the complex components of the materials, especially the significant difference of the particle sizes of the materials, the materials can only be operated in a mixed state, which brings huge workload for the processing operation of the materials.

In order to solve the above problems, the applicant's prior application discloses a "screening device and screening bucket" (application No. 2020233478195) which specifically discloses the following technical contents: the material screening device comprises a frame body (10), wherein a support rod (20) is arranged on the frame body (10), a convex part (31) is arranged on the support rod (20) forming the local contour of a material screening mesh, and the convex part (31) displaces along the rod length direction of the support rod (20) and/or rotates around a rod core of the support rod (20). ".

Among the above-mentioned technical scheme, when this screening plant was applied to the screening of moist material, moisture dirt just can bond the increase of the rod diameter that makes the bracing piece on the bracing piece (the radius increase of the outer surface of revolution of screening plant promptly), leads to the aperture of the mesh that sieves to diminish, influences the effect of sieving. Meanwhile, larger stone materials are clamped between the two support rods and protrude out of the frame. Thus resulting in less than ideal screening effect.

Disclosure of Invention

The invention aims to provide a cleaning device for a screening barrel, which can clean soil blocks adhered to the outer surface of the screening barrel and stones or materials stuck at a screen hole.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a cleaning device of screening bucket, includes the shovel brush unit of the wire side motion of relative screening bucket, and the cleaning head of shovel brush unit is located the wire side outside of screening bucket and both are close to and arrange.

The cleaning of screening bucket is realized through the shovel brush unit that adds relative wire side motion in the above-mentioned scheme, prevents too much bonding of lime-soil or stone, material jamming in sieve hole department.

Drawings

FIGS. 1 and 2 are schematic views of the installation position of the present invention;

fig. 3, 4 and 5 are schematic structural diagrams of a first embodiment of the invention;

FIG. 6 is a cross-sectional view of a first embodiment of the present invention;

fig. 7, 8 and 9 are schematic structural diagrams of a second embodiment of the invention.

Detailed Description

The utility model provides a cleaning device of screening bucket, includes the shovel brush unit of relative screening bucket 1's wire side motion, and the cleaning head of shovel brush unit is located the wire side outside of screening bucket 1 and both are close to and arrange.

In the scheme, once part of dust is adhered to the outer revolution surface of the screening barrel 1 to increase the revolution radius, the dust is contacted with the cleaning head of the shovel brush unit, so that the adhered dust or the material protruding out of the outer revolution surface is blocked and crushed or extruded back to the stripping surface of the screening barrel 1.

The screening barrel 1 is rotatably arranged on the frame 2, and the shoveling and brushing unit is arranged on the frame 2. Can utilize the rotation of screening bucket 1 itself to realize the relative motion of screening bucket 1 and shovel brush unit like this, can directly install shovel brush unit additional to existing screening bucket 1, need not to introduce extra power unit.

The shovel unit is arranged in the upper region of the screening tub 1. As sundries are attached to the surface of the barrel-shaped screening barrel 1 and do not fall off when the barrel-shaped screening barrel is rotated to the upper position, the sundries are probably adhered or clamped at the mesh holes and need to be cleaned in time, otherwise, the mesh holes are blocked and are not beneficial to subsequent screening, the shoveling and brushing unit is selectively arranged in the upper area of the barrel-shaped screening barrel 1, the upper part of the barrel cavity is provided with a proper free space under normal conditions, and the materials adhered or clamped at the mesh holes are beneficial to being cleaned.

First embodiment, as shown in fig. 2, 3, 4 and 5, the shovel unit comprises a wedge-shaped shovel 20 mounted on the frame 2, the head 21 of the wedge-shaped shovel 20 being arranged adjacent to and spaced/interfering with the outer surface of revolution of the sieving barrel 1. The wedge-shaped shovels 20 can effectively shovel off large stones or dust, and the wedge-shaped shovels 20 arranged at intervals can shovel off stones or dust which increase the outer diameter of the screening barrel 1. The wedge shaped shovel 20 of the interference arrangement can remove the dust or stuck stones at other positions by the hitting vibration.

Second embodiment, as shown in fig. 1, 7, 8 and 9, the brush unit comprises a wire brush 30 mounted on the frame 2, the brush head of the wire brush 30 being arranged adjacent to and spaced/interfering with the outer surface of revolution of the sieving barrel 1. The wire brushes 30 can effectively clean the backdrop or soil blocks at the dead corners of the screen, the wire brushes 30 arranged at intervals can clean the protruded dust and soil, and the wire brushes 30 arranged in an interference mode can go deep into the screen holes to clean the screen holes and the inner dead corners to a certain extent.

The shovel brush unit comprises a wedge-shaped shovel 20 and a steel wire brush 30 which are arranged on the frame 2, the heads of the shovel and the steel wire brush are arranged close to and spaced/interfered with the outer revolution surface of the screening barrel 1, and the wedge-shaped shovel 20 is arranged at the upstream of the steel wire brush 30. Therefore, the wedge-shaped shovel 20 can firstly clean large soil blocks and stone blocks, and then the wire brush 30 can clean the adhered dust at the residual dead corners and screen holes.

The shoveling and brushing units are uniformly arranged at intervals along the outer revolution surface of the sieving barrel 1 in the direction of the revolution axis core. Thus, the outer revolution surface of the whole screening barrel 1 can be cleaned through the rotation of the screening barrel 1.

The shovel brush unit is provided with an adjusting mechanism for adjusting the distance between the cleaning head and the outer revolution surface of the screening barrel (1). When the cleaning head is worn, the cleaning head can be properly extended forwards, and the worn cleaning head is prevented from being frequently replaced.

The length direction of the shoveling and brushing unit is perpendicular to the rotary shaft core of the screening barrel 1, the cleaning head of the shoveling and brushing unit faces the inside of the screening barrel 1, and the adjusting mechanism adjusts the distance between the cleaning head and the outer rotary surface of the screening barrel 1 in the length direction of the shoveling and brushing unit. Thus, when the cleaning head extends forwards, the cleaning head is close to the outer revolution surface of the sieving barrel 1 and even is inserted into the sieving barrel 1.

The screw bolt 22 arranged at the rear end of the shovel head 21 of the wedge shovel 20 and the tail seat 23 at the rear end of the shovel head 21 form a screw nut slider structure, and a rubber block 24 sleeved on the screw bolt 22 is arranged between the rear end of the shovel head 21 and the tail seat 23. One of the rear end of the shovel head 21 and the tail seat 23 is in threaded connection with the bolt 22, so that a screw nut and slider structure can be formed, and the position of the shovel head 21 can be quickly adjusted. Meanwhile, the rubber block 24 plays a certain role in buffering the shovel head 21, and avoids damage to the shovel head 21 or the screening barrel 1 due to overlarge rigid impact.

The shovel head 21 penetrates through a guide frame 25 arranged on the frame 2, and a boss 211 which forms a limit fit with the guide frame 25 is arranged on the shovel head 21 behind the guide frame 25. The guide frame 25 limits the shovel head 21 to move only in the length direction of the shovel unit, and meanwhile, the boss 211 effectively prevents the shovel head 21 from being excessively extended to fall off.

An installation seat 26 and a shell 27 which are mutually detachably matched are arranged between the guide frame 25 and the tailstock 23, and a space for accommodating the rubber block 24 and the tail part of the shovel head 21 is formed between the installation seat 26 and the shell 27. The casing 27 can effectively protect the internal structure of the shovel brush unit and prevent dust and sand or rainwater in the external environment from entering and damaging parts.

The front end of the bolt 22 is in threaded connection with the rear end of the shovel head 21, the rear portion of the bolt 22 is sleeved with a limiting nut 28, the bolt 22 penetrates through the tailstock 23 to form sliding connection, and the limiting nut 28 and the tailstock 23 form matching for limiting the bolt 22 to move forwards. Like this when appearing great stone on the screen cloth, just can promote shovel head 21 retrogradation, block rubber 24 is compressed, dodges too big stone and only carries out partial clearance to the stone, and then compressed block rubber 24 orders about shovel head 21 and resets and continues work. Placing like this that the stone is too big and taking place great interference force with shovel head 21 and hinder screening bucket 1's work operation, also carrying out certain buffer protection to shovel head 21 and screening bucket 1 simultaneously.

The wire brush 30 comprises clamping plates 31 for fixing brush bodies 33, locking bolts 32 which are uniformly arranged along the rotary shaft core of the sieving barrel 1 at intervals drive the two clamping plates 31 to approach or separate, and a space for fixing a single group of brush bodies 33 is formed between the two adjacent locking bolts 32 and the two clamping plates 31. Thus, a plurality of sets of brush bodies 33 can be quickly fixed between the two clamping plates 31. When the position of the brush body 33 needs to be adjusted, the locking bolt 32 can be loosened to the adjusted position and then locked.

The outer side of the brush body 33 is provided with a housing 34, through holes for the front end and the rear end of the brush body 33 to pass through are arranged at positions of the housing 34 corresponding to the front end and the rear end of the brush body 33, a strip-shaped mounting hole 341 for the locking bolt 32 to pass through is arranged at a position of the housing 34 corresponding to the locking bolt 32, and the length direction of the strip-shaped mounting hole 341 is consistent with the length direction of the brush body 33. The cover 34 is directly fixed to the clamping plate 31 by the locking bolt 32, and the front and rear positions of the cover 34 can be adjusted by adjusting the position of the locking bolt 32 in the bar-shaped mounting hole, so that more brush bodies 33 can be exposed.

Claims

1. A cleaning device of a screening barrel is characterized in that: the cleaning device comprises a shoveling and brushing unit moving relative to the net surface of the screening barrel (1), wherein a cleaning head of the shoveling and brushing unit is positioned at the outer side of the net surface of the screening barrel (1) and is arranged close to the net surface.

2. A cleaning device for a screening drum as claimed in claim 1, wherein: the screening barrel (1) is rotatably arranged on the rack (2), and the shoveling and brushing unit is arranged on the rack (2).

3. A cleaning device for a screening drum as claimed in claim 2, wherein: the shovel brush unit is arranged in the upper region of the screening tub (1).

4. A cleaning device for a screening drum as claimed in claim 2, wherein: the shovel brush unit comprises a wedge-shaped shovel (20) installed on the rack (2), and a shovel head (21) of the wedge-shaped shovel (20) is close to an outer revolution surface of the screening barrel (1) and is arranged at intervals/in an interference mode.

5. A cleaning device for a screening drum as claimed in claim 2, wherein: the shoveling and brushing unit comprises a steel wire brush (30) arranged on the rack (2), and the brush head of the steel wire brush (30) is close to the outer revolution surface of the screening barrel (1) and is arranged at intervals/in an interference mode.

6. A cleaning device for a screening drum as claimed in claim 2, wherein: the shovel brush unit comprises a wedge-shaped shovel (20) and a steel wire brush (30) which are installed on the rack (2), the heads of the shovel brush unit and the steel wire brush are close to the outer revolution surface of the screening barrel (1) and are arranged at intervals/in an interference mode, and the wedge-shaped shovel (20) is arranged on the upstream of the steel wire brush (30).

7. The cleaning apparatus of a sizing barrel as claimed in claim 2 or 3 or 4 or 5, wherein: the shoveling and brushing units are uniformly arranged at intervals along the outer rotary surface of the screening barrel (1) in the direction of the rotary shaft core.

8. The cleaning apparatus of a sizing barrel as claimed in claim 1 or 2 or 3 or 4 or 5, wherein: the shovel brush unit is provided with an adjusting mechanism for adjusting the distance between the cleaning head and the outer revolution surface of the screening barrel (1).

9. The cleaning apparatus of a sizing barrel as claimed in claim 2 or 3 or 4 or 5, wherein: the length direction of the shoveling and brushing unit is perpendicular to the rotary shaft core of the screening barrel (1), the cleaning head of the shoveling and brushing unit faces the inside of the screening barrel (1), and the adjusting mechanism adjusts the distance between the cleaning head and the outer rotary surface of the screening barrel (1) in the length direction of the shoveling and brushing unit.

10. The cleaning device of a sieving bucket of claim 4 or 6, characterized in that: a bolt (22) arranged at the rear end of a shovel head (21) of the wedge-shaped shovel (20) and a tailstock (23) behind the shovel head (21) form a screw nut slider structure, and a rubber block (24) sleeved on the bolt (22) is arranged between the rear end of the shovel head (21) and the tailstock (23).

11. A cleaning device for a screening drum as claimed in claim 10, wherein: the shovel head (21) penetrates through a guide frame (25) arranged on the rack (2), and a boss (211) which is in limit fit with the guide frame (25) is arranged on the shovel head (21) behind the guide frame (25).

12. A cleaning device for a screening drum as claimed in claim 11, wherein: an installation seat (26) and a shell (27) which mutually form detachable matching are arranged between the guide frame (25) and the tailstock (23), and a space for accommodating the rubber block (24) and the tail part of the shovel head (21) is formed between the installation seat (26) and the shell (27).

13. A cleaning device for a screening drum as claimed in claim 11, wherein: the front end of the bolt (22) is in threaded connection with the rear end of the shovel head (21), the rear portion of the bolt (22) is sleeved with a limiting nut (28), the bolt (22) penetrates through the tailstock (23) and is in sliding connection, and the limiting nut (28) and the tailstock (23) form matching for limiting the bolt (22) to move forwards.

14. A cleaning device for a screening drum according to claim 5 or 6, wherein: the steel wire brush (30) comprises clamping plates (31) used for fixing brush bodies (33), locking bolts (32) which are uniformly arranged at intervals along the rotary shaft core of the screening barrel (1) drive the two clamping plates (31) to be close to or far away, and a space for fixing a single group of brush bodies (33) is formed between the two adjacent locking bolts (32) and the two clamping plates (31).

15. The sizing barrel cleaning device as recited in claim 14, further comprising: the brush body (33) outside is provided with housing (34), is provided with the through-hole that supplies brush body (33) front and back end to pass on the position of housing (34) correspondence brush body (33) front and back end, is provided with bar mounting hole (341) that supply locking bolt (32) to pass the connection on the position that housing (34) correspond locking bolt (32), and the length direction of bar mounting hole (341) is unanimous with brush body (33) length direction.