CN211210608U - Crop straw reducing mechanism - Google Patents

Abstract

The utility model relates to a crop straw reducing mechanism, which comprises a bod, be provided with the crushing room that is used for smashing the material in the organism, smash the indoor rubbing crusher that is equipped with the top of smashing the room and be provided with the cutting room, be provided with cutting mechanism in the cutting room, cutting room and crushing room between be equipped with the slope stock guide, smash the indoor screen cloth that is equipped with, the one end of screen cloth with stock guide fixed connection, this screen cloth with reducing mechanism's rotor assembly becomes eccentric settings. The utility model discloses a set up the cutting chamber above smashing the room, cut crop straw to tentatively smash crop straw, thereby avoid the straw to twine on smashing the rod.

Description

Crop straw reducing mechanism

Technical Field

The utility model relates to a crop straw reducing mechanism belongs to the agricultural machinery field.

Background

China is a big agricultural country, and crop straw resources are very rich, so that the annual output is huge. However, the straws are only used as a crop byproduct all the time, no good method is available for resource recycling, most of the crop straw resources are burnt or rotten in the field, the utilization rate is as low as 33%, and reasonable development and utilization are not achieved. However, the straws need to be subjected to crushing treatment before being crushed, but the existing straw crusher directly crushes the straws, so that the straws are easily wound on the crushing roller, and the crushing efficiency is influenced. In order to solve the problem, the chinese utility model patent 201720926773.1 discloses a birotor straw rubbing crusher, and the device sets up interior cage and outer cage and sets up including, the blade on the outer cage through the suit smashes the straw to avoid the straw winding in the pivot, but the granule after this reducing mechanism is smashed is great, can not satisfy the use as the fodder with the straw.

In addition, the existing crop straw smashing device usually adopts a hammer mill, but when the hammer mill smashes materials, the smashed materials are easy to form a circulation layer on the surface of a sieve plate under the driving of the hammer, so that the smashing performance of the smashing machine is influenced, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the problem and not enough of above-mentioned existence, provide one kind and can solve the straw and easily twine to crushing roller and smash the little crop straw reducing mechanism of back granule.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a crop straw reducing mechanism, includes the organism, be provided with the crushing room that is used for smashing the material in the organism, smash the indoor rubbing crusher structure that is equipped with smash the top of crushing room is provided with the cutting room, be provided with cutting mechanism in the cutting room, cutting room and crushing room between be equipped with the slope stock guide, smash the indoor screen cloth that is equipped with, the one end of screen cloth with stock guide fixed connection, this screen cloth with the rotor assembly of reducing mechanism becomes eccentric settings.

In the above technical scheme, the screen is composed of an arc section and a straight section, one end of the straight section is fixedly connected with the arc section and is tangent to the arc section, the other end of the straight section is fixedly connected with the material guide plate, and the straight section and the material guide plate are arranged in a collinear manner.

In the above technical solution, the cutting mechanism includes a rotating shaft and a cutting blade mounted on the rotating shaft, the cutting blade deflects towards the direction of the center of circle, the deflection direction of the cutting blade is consistent with the rotation direction of the rotating shaft, and a cutting edge is disposed on one side of the deflection direction of the cutting blade.

In the above technical scheme, the cutting blade is detachably connected with the rotating shaft.

In the technical scheme, the cutting blade comprises a mounting seat and blades, the blades are fixedly arranged on the mounting seat, outward convex blocks are arranged on two sides of the bottom of the mounting seat to form sliding blocks, a rotating shaft is provided with a mounting groove matched with the mounting seat, sliding grooves matched with the sliding blocks are arranged on two sides of the bottom of the mounting groove, and the cutting blade is mounted in the mounting groove through a screw assembly.

In the technical scheme, the top of the crushing chamber is fixedly provided with the stock stop, the stock stop comprises a bottom plate and a stock stop plate fixed on the bottom plate, the stock stop plate extends towards the direction of the rotor assembly, and two passages for passing through the hammer sheet are formed between the stock stop plates, and the stock stop plate is close to one end of the hammer sheet and is provided with a plurality of upward convex plates and downward grooves which are arranged at intervals.

In the above technical solution, the height of each convex plate is different, and the depth of each groove is different.

The utility model has the advantages that: 1. functionally, the utility model cuts the crop straws by arranging the cutting chamber above the crushing chamber, thereby preliminarily crushing the crop straws and avoiding the straws from winding on the crushing rod;

2. functionally, the cutting blade of the utility model is detachably connected with the rotating shaft, so that the cutting blade is convenient to maintain and replace when damaged;

3. functionally, the material guide plate is arranged between the cutting chamber and the crushing chamber, so that the primarily crushed material can enter the crushing chamber and fall to the vicinity of the crushing device for crushing, and the material in the cutting chamber can not be crushed because of falling outside the crushing range of the crushing device and can not be accumulated in the crushing chamber;

4. functionally, the eccentric arrangement of the screen and the rotor assembly of the utility model changes the gap between the hammer and the screen when the rotor assembly rotates, when the airflow circulation layer rotates along the hammer, the thickness of the circulation layer around the hammer is thick and thin, thereby destroying the circulation layer and improving the material crushing efficiency;

5. functionally, the top of the crushing chamber is provided with the stock stop, the stock stop of the mechanism can effectively destroy circulation layers, and lugs with different heights and grooves with different depths at the top of the stock stop can destroy circulation layers with different thicknesses, so that the discharging effect and the crushing efficiency of the screen are ensured;

6. structurally, the utility model discloses overall structure reasonable in design, compactness.

Drawings

FIG. 1 is a schematic view of the internal structure of the crop straw smashing device of the utility model;

FIG. 2 is a schematic view showing the connection between the cutting blade and the rotating shaft according to the present invention;

fig. 3 is a schematic structural view of the striker plate.

Reference numbers in the figures: the device comprises a machine body 1, a feed inlet 2, a cutting mechanism 3, a material guide plate 4, a screen 6, a discharge outlet 7, a material stop mechanism 8, a rotor assembly 9, a base 10, a screw assembly 11 and a screw assembly.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:

the utility model discloses one of them embodiment: as shown in fig. 1 and 2, a crop straw smashing device comprises a machine body 1, a base 10 is arranged at the bottom of the machine body 1, the base 10 is used for fixing the machine body 1, a smashing chamber for smashing materials is arranged in the machine body 1, a smashing mechanism is arranged in the smashing chamber, a cutting chamber is arranged above the smashing chamber, a cutting mechanism 3 is arranged in the cutting chamber, an inclined guide plate 4 is arranged between the cutting chamber and the smashing chamber, the guide plate 4 is designed to facilitate the materials which are primarily smashed to enter the smashing chamber and fall to the vicinity of the smashing device for smashing, the materials in the cutting chamber can not be smashed due to the fact that the materials fall out of the smashing range of the smashing device, and are accumulated in the smashing chamber, so that the smashing efficiency is improved, a screen 6 is arranged in the smashing chamber, the granularity of the smashed materials is controlled through the screen, one end of the screen 6 is fixedly connected with the guide plate 4, the screen 6, the screen 6 and a rotor assembly 8 of the crushing device are eccentrically arranged.

The screen 6 comprises circular arc section 62 and straight section 61, straight section 61 one end and circular arc section 62 fixed connection, and both are tangent, design into tangent structure with straight section 61 one end and circular arc section 62, guarantee that the unqualified material that rotor assembly 8 threw away smashes once more through the counterattack of straight section 61, and the material room of storing of qualified material below screen 6 falls into through the sieve mesh of straight section. The other end and the stock guide 4 fixed connection of straight section 61, straight section 61 and stock guide 4 collineation setting are convenient for get into through preliminary kibbling material by the cutting chamber and smash the room and smash.

The cutting mechanism comprises a rotating shaft 31 and a cutting blade 32 arranged on the rotating shaft 31, the cutting blade 32 deflects towards the direction of the circle center, the deflection direction of the cutting blade is consistent with the rotating direction of the rotating shaft, and a cutting edge is arranged on one side of the deflection direction of the cutting blade.

In order to facilitate maintenance and replacement of the damaged cutting blade 32, the cutting blade 32 is detachably connected to the rotary shaft 31. Specifically, cutting blade 32 includes mount pad 323 and blade 321, and blade 321 is fixed to be set up on mount pad 323, and the bottom both sides of this mount pad 323 all are provided with slider 324, and slider 324 is formed by the outside arch in mount pad 323 bottom, and both structures as an organic whole set up the mounting groove with mount pad 323 adaptation in the pivot 31, the tank bottom both sides of mounting groove be equipped with the spout of slider looks adaptation, cutting blade 32 passes through screw assembly 11 to be installed in the mounting groove.

It should be noted that: the utility model discloses a reducing mechanism includes rotor assembly 9, and rotor assembly 9 adopts prior art's rotor assembly (subassembly), and rotor assembly 9 includes crushing roller 92, installs carousel 91 on crushing roller 92 and installs hammer leaf 93 on carousel 91 promptly.

The utility model discloses another embodiment: referring to fig. 1 and 3, this embodiment is basically the same as the structure of the above-mentioned embodiment, for better packing the utility model discloses destroy the ability on circulation layer to further improve crushing efficiency, smash the fixed stock stop 8 that is provided with in room top, stock stop 8 includes bottom plate 82 and fixes stock stop 81 on bottom plate 82, stock stop 81 extends to the direction of rotor assembly, stock stop 81 is trapezoidal, form the passageway that is used for through hammer leaf 93 between two stock stop 81, so design makes hammer leaf 91 be close to screen cloth 6 as far as, thereby reduces the influence that the circulation layer brought. One end of the striker plate 91 close to the hammer is provided with a plurality of upward convex plates 83 and downward grooves 84 which are arranged at intervals, the height of each convex plate 83 is different, and the depth of each groove 81 is different, so that circulation layers with different thicknesses are damaged.

The utility model discloses a working process: the pan feeding gets into the cutting chamber from pan feeding mouth 2 and tentatively cuts through cutting mechanism 3 and smashes, gets into by tentatively kibbling material and smashes the room through reducing mechanism, and qualified material sieves, and unqualified material continues to be smashed to avoid the straw winding to smash on the roller.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (7)

1. The utility model provides a crop straw reducing mechanism, includes the organism, be provided with the crushing room that is used for smashing the material in the organism, smash the indoor rubbing crusher structure that is equipped with, its characterized in that: the crushing device is characterized in that a cutting chamber is arranged above the crushing chamber, a cutting mechanism is arranged in the cutting chamber, an inclined material guide plate is arranged between the cutting chamber and the crushing chamber, a screen is arranged in the crushing chamber, one end of the screen is fixedly connected with the material guide plate, and the screen and a rotor assembly of the crushing device are eccentrically arranged.

2. The crop straw crushing apparatus as claimed in claim 1, wherein: the screen is composed of an arc section and a straight section, one end of the straight section is fixedly connected with the arc section and is tangent to the arc section, the other end of the straight section is fixedly connected with the material guide plate, and the straight section and the material guide plate are arranged in a collinear manner.

3. The crop straw crushing apparatus as claimed in claim 1, wherein: the cutting mechanism comprises a rotating shaft and a cutting blade arranged on the rotating shaft, the cutting blade deflects towards the direction of the circle center, the deflection direction of the cutting blade is consistent with the rotation direction of the rotating shaft, and a cutting edge is arranged on one side of the deflection direction of the cutting blade.

4. The crop straw crushing apparatus as claimed in claim 3, wherein: the cutting blade and the rotating shaft are detachably connected.

5. The crop straw crushing apparatus as claimed in claim 4, wherein: the cutting blade include mount pad and blade, the blade is fixed to be set up on the mount pad, the bottom both sides of this mount pad all are provided with outside lug and form the slider, the pivot on seted up with the mounting groove of mount pad adaptation, the tank bottom both sides of mounting groove be equipped with the spout of slider looks adaptation, the cutting blade pass through screw rod assembly install in the mounting groove.

6. The crop straw crushing apparatus as claimed in claim 1, wherein: crushing room top fixed be provided with stock stop, stock stop includes the bottom plate and fixes the striker plate on the bottom plate, the striker plate extends to rotor assembly's direction, two form the passageway that is used for through the hammer leaf between the striker plate, this striker plate is close to the one end of hammer leaf is equipped with ascending flange and the decurrent recess that a plurality of intervals set up.

7. The crop straw crushing apparatus as claimed in claim 6, wherein: the height of each convex plate is different, and the depth of each groove is different.

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