CN210304549U

CN210304549U - Anti-caking device of chemical fertilizer screening machine

Info

Publication number: CN210304549U
Application number: CN201921027261.7U
Authority: CN
Inventors: 王晓春; 蒋振华; 杨进昌; 刘仁军; 林伟荣
Original assignee: Lardmee Ningling Fertilizer Co ltd
Current assignee: Lardmee Ningling Fertilizer Co ltd
Priority date: 2019-07-03
Filing date: 2019-07-03
Publication date: 2020-04-14
Anticipated expiration: 2029-07-03

Abstract

The utility model discloses an anti-caking device of a fertilizer screening machine, which comprises a primary cleaning mechanism arranged below a beam in the screening machine and a deep cleaning mechanism arranged on one side of the primary cleaning mechanism; the primary cleaning mechanism comprises an arc-shaped brush parallel to the axial direction of the drum screen and a plurality of mounting assemblies; the arc brush is fixed with the lower end of the mounting assembly, and the brush bristle end of the arc brush is in surface contact with the outer surface of the drum screen; the upper end of the mounting assembly is fixed with the bottom of the cross beam; the depth cleaning mechanism comprises an air knife, a bracket and a moving mechanism for enabling the air knife to move along the direction parallel to the axis of the drum screen; the air knife is fixed with the moving mechanism through a support, and the air knife is parallel to the axis of the drum screen. The utility model can further improve the cleaning effect of the drum screen, better prevent the viscous materials from being solidified on the drum screen, further improve the screening efficiency of the screening machine, improve the screening effect and reduce the workload of workers; in addition the utility model discloses the life of extension arc brush does practices thrift use cost.

Description

Anti-caking device of chemical fertilizer screening machine

Technical Field

The utility model relates to a chemical fertilizer screening equipment technical field, concretely relates to anti-caking device of chemical fertilizer screening machine.

Background

The roller screening machine is a common device in the production of compound fertilizers, is mainly used for separating finished products from returned materials, and can also realize the grading of the finished products so as to uniformly classify the finished products. The roller screening machine mainly comprises a motor, a speed reducer, a roller device, a rack, a sealing cover, a feeding port, a discharging port and the like. The roller device is arranged on the frame, the motor is connected with the roller device through a speed reducer and a coupler, and the roller device is driven to rotate around the axis of the motor. Because compound fertilizer itself has certain stickness, at the screening in-process, often can paste on the screen cloth of drum sieve and adhere to the stickness material, blocks up the mesh of drum sieve net, greatly reduced screening efficiency influences the screening effect.

Some current anti-caking devices adopt the round brush to clear up the round screen net, but the round brush is line contact with the drum screen, and the effective active area between round brush and the drum screen is little, and the drum screen still can't make the chemical fertilizer stickness material clean up in its mesh after rotating many rings, and work efficiency is low, the effect is poor to lead to needing to handle the drum screen frequently, it is comparatively inconvenient to use. Meanwhile, as the rolling brush is in rolling contact with the roller screen, sticky materials adhered to the surface of the roller screen cannot be cleaned, and are also solidified on the surface of the roller screen after long-term non-cleaning, and can only be cleaned manually, so that the labor capacity of workers is increased, and the production efficiency of enterprises is influenced.

Disclosure of Invention

The utility model discloses a solve prior art not enough, provide an efficient, can more thoroughly clear away the adhesion material in the cylinder screen hole and screen cloth surface simultaneously, prevent the anti-caking device of the chemical fertilizer screening machine of adhesion material in the cylinder screen hole and the consolidation of screen cloth surface.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the anti-caking device of the fertilizer screening machine comprises a primary cleaning mechanism and a deep cleaning mechanism which are assembled with a screening machine body; the screening machine body comprises a rack, a screening working bin fixed at the top of the rack, a rotary screen assembled in the screening working bin and a cross beam, wherein the two ends of the cross beam are fixed with the screening working bin and are positioned above the rotary screen, and a motor and a speed reducer for driving the rotary screen are installed outside one end of the screening working bin.

The primary cleaning mechanism comprises a sliding rod, a compression spring, a sliding block, an adjusting nut and an arc brush, wherein the top of the sliding rod is fixed with the bottom surface of the cross beam;

the depth cleaning mechanism comprises an air knife, a bracket and a moving mechanism for enabling the air knife to move along the direction parallel to the axis of the drum screen; the air knife is fixed with the moving mechanism through a support, and the air knife is parallel to the axis of the drum screen.

Further, the length of the arc-shaped brush is the same as that of the rotary screen.

Furthermore, the middle part of the sliding block is provided with a through hole for the sliding rod to pass through, and the side surface of the sliding block is provided with an installation part for fixing the sliding rod and the arc-shaped brush.

Furthermore, a gasket is arranged between the compression spring and the sliding block.

Furthermore, the motion mechanism comprises a mounting plate arranged below the cross beam, a linear track and a rack arranged below the mounting plate, a plurality of sliding blocks capable of sliding on the linear track, a slide carriage arranged at the lower end of each sliding block, and a servo motor arranged below the slide carriage, wherein the output end of the servo motor is meshed with the rack through a gear; the linear rails are two parallel to each other and are parallel to the axial direction of the drum screen.

Compared with the prior art, the utility model discloses well ARC brush and drum sieve are the face contact, the effective active area between ARC brush and the drum sieve has been increased, adopt the air knife to carry out the degree of depth clearance to the mesh of drum sieve and screen cloth surface after the ARC brush tentatively clears up the drum sieve simultaneously, the high velocity air that promptly the air knife blew off is more thorough with the material of adhereing of the mesh of drum sieve and screen cloth surface cleaing away, thereby prevent effectively that to adhere the material and consolidate at the mesh of drum sieve and screen cloth surface, improve screening efficiency, improve the screening effect, reduce workman's work load; in addition, when there is the loss and influences the clearance effect in the brush hair on the arc brush, can improve the clearance effect through the down regulating variable of increase adjusting nut, prolonged the life of arc brush from this.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Figure 1 is a schematic view of the present invention when assembled with a screening machine body;

FIG. 2 is an enlarged view of the precleaning mechanism of FIG. 1;

FIG. 3 is an enlarged view of the deep cleaning mechanism of FIG. 1;

fig. 4 is a left side view of the present invention in fig. 1;

fig. 5 is a perspective view of the middle slider of the present invention.

The reference numerals are explained below:

in the figure: 1. a screening machine body; 101. a cross beam; 102. a drum screen; 103. a frame; 104. screening the working bin; 2. a primary cleaning mechanism; 201. a slide bar; 202. an arc brush; 203. a compression spring; 204. a gasket; 205. adjusting the nut; 206. a slider; 2061. an installation part; 3. a deep cleaning mechanism; 301. mounting a plate; 302. a linear track; 303. a track slider; 304. a slide carriage; 305. a support; 306. an air knife; 307. a servo motor.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, the utility model provides an anti-caking device for a chemical fertilizer screening machine, which comprises a primary cleaning mechanism 2 and a deep cleaning mechanism 3 which are assembled with a screening machine body 1; the screening machine body 1 comprises a frame 103, a screening working bin 104 fixed at the top of the frame 103, a drum screen 102 assembled in the screening working bin 104, and a cross beam 101, two ends of which are fixed with the screening working bin 104 and located above the drum screen 102, wherein a motor and a speed reducer for driving the drum screen 102 are installed outside one end of the screening working bin 104.

The primary cleaning mechanism 2 comprises a sliding rod 201, a compression spring 203, a sliding block 206, an adjusting nut 205 and an arc-shaped brush 202, wherein the top of the sliding rod 201 is fixed with the bottom surface of the cross beam 101, the compression spring 203 is sleeved on the sliding rod 201, the sliding block 206 is arranged below the compression spring 203 and can slide on the sliding rod 201, the adjusting nut 205 is arranged at the lower end of the sliding rod 201, and the arc-shaped brush 202 is fixed with. The arcuate brush 202 is disposed above the trommel 102 and is the same length as the trommel 102; the arc-shaped brush 202 is in surface contact with the rotary screen 102, and the brush hair part at the lower end of the arc-shaped brush 202 is in a circular arc shape with the same radius as the outer surface of the rotary screen 102, so that the effective acting area between the arc-shaped brush 202 and the rotary screen 102 is increased, and the cleaning effect on viscous materials on the rotary screen 102 can be improved; the adjusting nut 205 is in threaded fit with the lower end of the sliding rod 201, the height of the sliding block 206 can be adjusted by rotating the adjusting nut 205, and then the height of the arc-shaped brush 202 is adjusted, so that the arc-shaped brush 202 is contacted with or separated from the rotary screen 102.

The deep cleaning mechanism 3 comprises an air knife 306, a bracket 305 and a moving mechanism for moving the air knife 306 along a direction parallel to the axis of the drum screen 102; the air knife 306 is fixed with the moving mechanism through a bracket, and the air knife 306 is parallel to the axis of the drum screen 102.

The utility model discloses in, the middle part of slider 206 sets up the through-hole that is used for slide bar 201 to pass, and the side of slider 206 is provided with the installation department 2061 that is used for with arc brush 202 is fixed. A gasket 204 is arranged between the compression spring 203 and the sliding block 206, and the gasket 204 is used for preventing abrasion between the compression spring 203 and the sliding block 206.

In the utility model, the motion mechanism comprises a mounting plate 301 arranged below the beam 101, a linear track 302 and a rack 309 arranged below the mounting plate 301, a plurality of track sliders 303 capable of sliding on the linear track 302, a slide carriage 304 arranged at the lower end of the track sliders 303, and a servo motor 307 arranged below the slide carriage 304, wherein the output end of the servo motor 307 is meshed with the rack 309 through a gear 308; the linear rails 302 are two parallel to each other, and are parallel to the axial direction of the drum screen 102.

In the implementation process of the utility model, the adjusting nut 205 is rotated downwards, the slider 206 drives the arc brush 202 to descend under the action of the elastic force of the compression spring 203, the arc brush 202 is in contact with the drum screen 102, and the drum screen 102 rotates to realize the preliminary cleaning of viscous materials on the drum screen 102; when the bristles of the arc brush 202 are worn to affect the cleaning effect, the cleaning effect can be improved by increasing the downward adjustment amount of the adjusting nut 205, and thus the service life of the arc brush 202 can be prolonged. The adjustment nut 205 is rotated upward to separate the arcuate brush 202 from the trommel 102 and inhibit cleaning of the trommel 102.

When the drum screen 102 is preliminarily cleaned, high-speed air flow is blown out from the air knife 306, the screen holes of the drum screen 102 and residual viscous materials attached to the surface of the screen holes are blown off, and the drum screen 102 rotates to deeply clean the whole circumferential surface of the drum screen 102 at a certain axial position; the servo motor 307 drives the slide carriage 304 to move to different positions on the linear guide rail 302, and then the air knife 306 performs deep cleaning on the rest part of the drum screen 102. Therefore the utility model discloses further improve the clearance effect of drum sieve 102, better prevent that the stickness material from consolidating at drum sieve 102 mesh internal and screen cloth surface, and then improve the screening efficiency of screening machine, improve the screening effect, reduce workman's work load.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The anti-caking device of the fertilizer screening machine comprises a primary cleaning mechanism (2) and a deep cleaning mechanism (3) which are assembled with a screening machine body (1); screening machine body (1) includes frame (103), fixes screening working bin (104) at frame (103) top, assembles trommel screen (102) and both ends in screening working bin (104) and fixed crossbeam (101) that are located trommel screen (102) top with screening working bin (104), and the externally mounted of screening working bin (104) one end has motor and speed reducer that is used for driving trommel screen (102), its characterized in that:

the primary cleaning mechanism (2) comprises a sliding rod (201) with the top fixed with the bottom surface of the cross beam (101), a compression spring (203) sleeved on the sliding rod (201), a sliding block (206) arranged below the compression spring (203) and capable of sliding on the sliding rod (201), an adjusting nut (205) arranged at the lower end of the sliding rod (201) and an arc-shaped brush (202) fixed with the sliding block (206), wherein the arc-shaped brush (202) is in surface contact with the rotary screen (102);

the deep cleaning mechanism (3) comprises an air knife (306), a bracket (305) and a moving mechanism for enabling the air knife (306) to move along the direction parallel to the axis of the drum screen (102); the air knife (306) is fixed with the moving mechanism through a bracket, and the air knife (306) is parallel to the axis of the drum screen (102).

2. The anti-caking device of the fertilizer screening machine of claim 1, which is characterized in that: the length of the arc-shaped brush (202) is the same as that of the drum screen (102).

3. The anti-caking device of the fertilizer screening machine of claim 1, which is characterized in that: the middle of the sliding block (206) is provided with a through hole for the sliding rod (201) to pass through, and the side surface of the sliding block (206) is provided with an installation part (2061) for being fixed with the arc-shaped brush (202).

4. The anti-caking device of the fertilizer screening machine of claim 1, which is characterized in that: a gasket (204) is arranged between the compression spring (203) and the sliding block (206).

5. The anti-caking device of the fertilizer screening machine of claim 1, which is characterized in that: the moving mechanism comprises a mounting plate (301) arranged below the cross beam (101), a linear track (302) and a rack (309) arranged below the mounting plate (301), a plurality of track sliding blocks (303) capable of sliding on the linear track (302), a slide carriage (304) arranged at the lower end of the track sliding blocks (303), and a servo motor (307) arranged below the slide carriage (304), wherein the output end of the servo motor (307) is meshed with the rack (309) through a gear (308); the two linear tracks (302) are parallel to each other and are parallel to the axial direction of the drum screen (102).