CN113228956A

CN113228956A - Straw smashing device

Info

Publication number: CN113228956A
Application number: CN202110495428.8A
Authority: CN
Inventors: 范素香; 袁珂佳; 仇昊雨; 古冬冬; 郝用兴
Original assignee: North China University of Water Resources and Electric Power
Current assignee: North China University of Water Resources and Electric Power
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2021-08-10

Abstract

The invention discloses a straw smashing device which comprises a rack, wherein a smashing box, a straw smashing box, a fan and a dust remover are arranged on the rack; the crushing box comprises a box body, a feed hopper, a main shaft, a cutter head and a concave sieve, wherein the feed hopper is connected to the top of the box body and communicated with the box body, and the bottom of the box body is communicated with the crushed straw box; the main shaft is rotatably arranged in the box body, and a plurality of cutter heads are arranged and are all arranged on the main shaft; the concave screen is arranged in the box body and is positioned below the cutter head; the top of the straw crushing box is communicated with the air inlet of the fan through a pipeline, and the air outlet of the fan is communicated with the inlet of the dust remover through a pipeline. The invention discloses a straw smashing device which is simple in structure, low in cost and novel in design, can remove dust of generated raised dust, does not pollute the environment, solves the problem of insufficient smashing of straws in the past, and enables the smashed straws to be uniform in thickness.

Description

Straw smashing device

Technical Field

The invention relates to the technical field of straw crushing, in particular to a straw crushing device.

Background

At present, crop reprocessing is an important method for realizing resource recycling and changing waste into valuable, and cost saving and efficiency improvement, environmental protection and ecological protection are realized.

Burn the straw, make it return the field, the processing mode of this kind of straw both takes a lot of work and time, still the polluted environment, be unfavorable for the environmental protection, can arouse the conflagration even, consequently need carry out secondary operation to the straw, make it have new usage, before the straw carries out secondary operation, need smash the straw, current straw rubbing crusher, the structure is complicated, and is with high costs, the raise dust is big, and there is the insufficient problem of straw smashing, make the straw thickness degree after smashing inhomogeneous.

Therefore, how to provide a straw crushing device which can crush straws sufficiently and has no pollution is a problem which needs to be solved urgently by the technical personnel in the field.

Disclosure of Invention

Accordingly, the present invention is directed to a straw shredder that at least solves one of the problems set forth in the background section above.

In order to realize the scheme, the invention adopts the following technical scheme:

a straw crushing device comprises a rack, wherein a crushing box, a straw crushing box, a fan and a dust remover are arranged on the rack;

the crushing box comprises a box body, a feed hopper, a main shaft, a cutter head and a concave sieve, the feed hopper is connected to the top of the box body and communicated with the box body, and the bottom of the box body is communicated with the crushed straw box; the main shaft is rotatably arranged in the box body, and a plurality of cutter heads are arranged and are all arranged on the main shaft; the concave screen is arranged in the box body and is positioned below the cutter head;

the top of the straw crushing box is communicated with the air inlet of the fan through a pipeline, and the air outlet of the fan is communicated with the inlet of the dust remover through a pipeline.

The straw enters into through the feeder hopper smash the incasement, is smashed under the effect of blade disc, and the garrulous straw that reaches crushing standard falls to garrulous straw incasement through the concave sieve and collects, and the raise dust of production passes through the fan and enters into the dust remover and separates, separates raise dust and tiny piece.

Preferably, in the straw crushing device, the cutter head comprises a disk body, a triangular blade and a flail blade; the triangular blades are arranged in a plurality and are distributed on the edge of the tray body at equal intervals; a plurality of pin shafts are vertically arranged on the disc body, hinge holes are formed in the end parts of the throwing blades, the pin shafts extend into the hinge holes, and the pin shafts are in clearance fit with the hinge holes; each pin shaft is hinged with a plurality of throwing blades.

Can carry out abundant smashing through triangle blade and flail blade to the straw, smash more evenly.

Preferably, in the straw crushing apparatus, the triangular blade is mounted at the edge of the tray body by a bolt.

Preferably, in the straw crushing device, two ends of the main shaft are mounted on the side wall of the box body through bearings, and one end of the main shaft extends out of the box body and is in transmission connection with a motor shaft of the driving motor.

Preferably, in the straw crushing device, the box body comprises an upper box body and a lower box body, the feed hopper is installed at the top of the upper box body, and the main shaft, the cutter head and the concave sieve are installed in the lower box body.

Preferably, in the straw crushing device, an inverted funnel is arranged at the top of the crushed straw box, and the funnel is communicated with the air inlet of the fan through a pipeline.

Preferably, in the straw crushing device, a clean gas outlet is formed in the top of the dust remover, and a scrap outlet is formed in the bottom of the dust remover.

Preferably, in the straw crushing device, a box door capable of being opened is installed at the bottom of the crushed straw box, and the collected crushed straws can be taken out by opening the box door.

According to the technical scheme, compared with the prior art, the straw crushing device is simple in structure, low in cost and novel in design, dust removal treatment can be performed on generated raised dust, the environment is not polluted, the problem that the conventional straw is not crushed sufficiently is solved, and the crushed straw is uniform in thickness.

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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

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

FIG. 2 is a front view of the present invention;

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

FIG. 4 is a left side view of the present invention;

FIG. 5 is a top view of the present invention;

FIG. 6 is a schematic view showing the internal structure of the crushing box.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The embodiment of the invention discloses a straw crushing device, which comprises a rack 1, wherein a crushing box 2, a crushed straw box 3, a fan 4 and a dust remover 5 are arranged on the rack 1;

the crushing box 2 comprises a box body 6, a feed hopper 7, a main shaft 8, a cutter head and a concave sieve 9, the feed hopper 7 is connected to the top of the box body 6 and communicated with the box body 6, and the bottom of the box body 6 is communicated with the crushed straw box 3; the main shaft 8 is rotatably arranged in the box body 6, and a plurality of cutter heads are arranged and are all arranged on the main shaft 8; the concave screen 9 is arranged in the box body 6 and is positioned below the cutter head;

the top of the crushed straw box 3 is communicated with the air inlet of the fan 4 through a pipeline, and the air outlet of the fan 4 is communicated with the inlet of the dust remover 5 through a pipeline.

In order to further optimize the technical scheme, the cutter head comprises a disk body 10, a triangular blade 11 and a flail blade 12; the triangular blades 11 are arranged in a plurality and are distributed on the edge of the tray body 10 at equal intervals; a plurality of pin shafts 13 are vertically arranged on the disk body 10, hinge holes are formed in the end parts of the flail blades 12, the pin shafts 13 extend into the hinge holes, and the pin shafts 13 are in clearance fit with the hinge holes; each pin shaft 13 is hinged with a plurality of throwing blades 12.

The straws can be fully crushed by the triangular blades 11 and the flail blades 12, and the crushing is more uniform.

In order to further optimize the above technical solution, the triangular blade 11 is mounted on the edge of the tray body 10 by bolts.

In order to further optimize the technical scheme, two ends of the main shaft 8 are arranged on the side wall of the box body 6 through bearings, and one end of the main shaft 8 extends out of the box body 6 and is in transmission connection with a motor shaft of the driving motor.

In order to further optimize the technical scheme, the box body 6 comprises an upper box body and a lower box body, the feed hopper 7 is installed at the top of the upper box body, and the main shaft 8, the cutter head and the concave screen 9 are installed in the lower box body.

In order to further optimize the technical scheme, an inverted funnel 14 is arranged at the top of the crushed straw box 3, and the funnel 14 is communicated with an air inlet of the fan 4 through a pipeline.

In order to further optimize the above technical solution, the top of the dust remover 5 is provided with a clean gas outlet, and the bottom is provided with a debris outlet.

In order to further optimize the technical scheme, the bottom of the crushed straw box 3 is provided with a box door capable of being opened, and the collected crushed straws can be taken out by opening the box door.

The working principle is as follows:

the straw enters into crushing case 2 through feeder hopper 7 in, is smashed under the effect of blade disc, reaches the garrulous straw of smashing the standard and passes through concave sieve 9, fall to garrulous straw incasement 3 and collect, the raise dust of production passes through fan 4 and enters into dust remover 5 and separates, separate raise dust and tiny piece, clean gas is discharged from clean gas outlet, piece and sand and dust are discharged from the piece export, open the chamber door and can take out the garrulous straw of collecting.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A straw crushing device comprises a rack, and is characterized in that a crushing box, a straw crushing box, a fan and a dust remover are mounted on the rack;

2. The straw crushing device as claimed in claim 1, wherein the cutter head comprises a disk body, a triangular blade and a flail blade; the triangular blades are arranged in a plurality and are distributed on the edge of the tray body at equal intervals; a plurality of pin shafts are vertically arranged on the disc body, hinge holes are formed in the end parts of the throwing blades, the pin shafts extend into the hinge holes, and the pin shafts are in clearance fit with the hinge holes; each pin shaft is hinged with a plurality of throwing blades.

3. The straw crushing device as claimed in claim 2, wherein the triangular blades are mounted on the edge of the disc body through bolts.

4. The straw crushing device as claimed in claim 3, wherein two ends of the main shaft are mounted on the side wall of the box body through bearings, and one end of the main shaft extends out of the box body and is in transmission connection with a motor shaft of a driving motor.

5. A straw crushing device as claimed in claim 4, wherein the box body comprises an upper box body and a lower box body, the feed hopper is installed at the top of the upper box body, and the main shaft, the cutter head and the concave sieve are installed in the lower box body.

6. A straw crushing device as claimed in claim 5, wherein an inverted funnel is arranged at the top of the crushed straw box, and the funnel is communicated with the air inlet of the fan through a pipeline.

7. The straw crushing device as claimed in claim 1, wherein the dust collector is provided with a clean gas outlet at the top and a debris outlet at the bottom.

8. The straw crushing device as claimed in claim 1, wherein the bottom of the crushed straw box is provided with a box door which can be opened.