CN217694454U

CN217694454U - Straw crusher

Info

Publication number: CN217694454U
Application number: CN202221776444.0U
Authority: CN
Inventors: 崔万鑫; 孙德; 董福义; 汲洪柱; 丁甲军; 梁宾
Original assignee: Jilin Northeast Agricultural Machinery Co ltd
Current assignee: Jilin Northeast Agricultural Machinery Co ltd
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2022-11-01
Anticipated expiration: 2032-07-11

Abstract

The utility model discloses a straw crusher, which comprises a crusher box body, a straw treatment structure and a crusher upper cover; the crusher box body is provided with a processing cavity and a discharging cavity positioned at the bottom of the processing cavity, and the processing cavity and the discharging cavity are divided by a screen; the straw treatment structure is positioned in the treatment cavity; straw materials enter the treatment cavity from the straw feeding hole, are screened by the screen, then enter the discharging cavity and are discharged from the discharging hole; the treatment cavity is a cutting cavity and a crushing cavity in sequence from one end close to the straw feeding hole to one end close to the straw discharging hole. The utility model discloses a straw rubbing crusher connects gradually through a main shaft and cuts off knife tackle, crushing knife tackle and fan blade, through cutting off and kibbling crushing effect and the efficiency that handles in proper order and improve the straw to the height that can reducing mechanism of an integrated mode of main shaft makes it satisfy on-vehicle use, increases the processing area that length can increase the screen cloth, improves screening efficiency, and the treatment effect that is less than 30% to straw moisture obtains improving.

Description

Straw crusher

Technical Field

The utility model relates to the technical field of agricultural machinery, especially, relate to a straw rubbing crusher.

Background

In rural areas, a large amount of crop straws are left in the field every autumn harvest season, and people can treat the straws in the most direct way of burning the straws so as not to influence the crop planting in the spring of the next year. However, the treatment wastes resources and pollutes the environment, and the direct burning of the straws is limited at the present stage, so that the recycling of the straws is encouraged.

In the prior art, the straw can be used in a crusher when being recycled, most crushers in the prior art adopt a three-shaft structure, wherein one is a straw poking shaft, the other is a crushing shaft, and the other is an auger fan shaft, and the three-shaft crusher structure in the prior art has the following defects:

firstly, the three shafts are vertically arranged, so that the whole machine is high in height and is not suitable for being used on a vehicle;

secondly, the whole crushing shaft is completely crushed by adopting the hammer pieces, so that the efficiency is low and the power consumption is high;

thirdly, as the crusher adopts hammer sheets to crush, tough fibers are difficult to crush, and the operation efficiency is low due to obvious moisture of the straws;

fourthly, as only one material distributing cavity is arranged, the space is small, and if the feeding amount is large, the phenomenon of power rise or vehicle stuffiness is easily caused;

fifthly, as three shafts are adopted, a transmission chain needs to be added, and the failure rate is high.

Therefore, based on the above technical problems, there is a need for a straw pulverizer.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel structure, reduce whole height in order to satisfy on-vehicle requirement, utilize to cut off the chamber and smash the chamber effect in order realize the straw fully smash, increase crushing shaft length increase screen cloth length in order to increase discharge area's straw rubbing crusher.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model discloses a straw rubbing crusher, this rubbing crusher includes:

a shredder housing;

a straw treatment structure integrated in the crusher box; and

the upper cover of the crusher is arranged at the upper end of the crusher box body;

the crusher box body is provided with a processing cavity and a discharging cavity positioned at the bottom of the processing cavity, and the processing cavity and the discharging cavity are divided by a screen;

the straw treatment structure is positioned in the treatment cavity;

the upper cover of the crusher is provided with a straw feeding hole, and the box body of the crusher is provided with a discharging hole;

straw materials enter the treatment cavity from the straw feeding hole, are screened by the screen, enter the discharging cavity and are discharged from the discharging hole;

the processing chamber is by being close to straw feed inlet one end is to being close to discharge gate one end is for cutting off the chamber and smashing the chamber in proper order.

Furthermore, a gear box is integrated on one side of the crusher box body;

the straw treatment structure comprises:

the main shaft is in transmission connection with the gear box;

the cutting knife group is arranged at one end, close to the straw feeding hole, of the main shaft and is positioned in the cutting cavity;

the crushing cutter set is arranged on the main shaft and is positioned in the crushing cavity; and

a fan blade mounted to the main shaft.

Further, the cutter group includes:

a plurality of cutting movable knives which are distributed at intervals along the axial direction of the main shaft; and

the cutting fixed knife is matched with the cutting movable knife and integrated on the upper cover of the pulverizer;

the plurality of cutting movable cutters are spirally distributed along the axial direction of the main shaft;

the crushing cutter group comprises a plurality of crushing cutters which are distributed at intervals along the axial direction of the main shaft.

Furthermore, a fan cavity is formed on one side of the crusher box body, which is close to the discharge port, and the fan blade is positioned in the fan cavity;

the fan cavity is communicated with the discharge cavity to discharge the materials screened by the screen in an air conveying mode.

Further, the cutting-off movable knife comprises:

the cutting-off cutter head is fixedly assembled with the main shaft and is driven to rotate by the main shaft; and

and a plurality of fixed cutting knives are assembled along the circumferential direction of the cutting knife disc through fasteners.

In the technical scheme, the utility model provides a pair of straw rubbing crusher has following beneficial effect:

the utility model discloses a straw rubbing crusher connects gradually through a main shaft and cuts off knife tackle, crushing knife tackle and fan blade, through cutting off and kibbling crushing effect and the efficiency that improves the straw of handling in proper order to the height that can the reducing mechanism of an integrated mode of main shaft makes it satisfy on-vehicle use, increases the processing area that length can increase the screen cloth, improves screening efficiency, and the treatment effect that is less than 30% to straw moisture obtains improving.

The utility model discloses a rubbing crusher divide into and cuts off the chamber and smash the chamber, and the cutting off cutter is the spiral arrangement, and the cutter cuts into gradually like this for smash efficiently, consumed power is little, and work is steady, and the extension main shaft, the crushing chamber that corresponds also increases, is difficult for blockking up and the stifled phenomenon of taking a breath appears.

The utility model discloses a fan of rubbing crusher is in one side of main shaft for the air current is according to axial flow, and the straw that is favorable to after cutting off gets into crushing chamber.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

FIG. 1 is a schematic structural view of a straw pulverizer provided by an embodiment of the present invention;

fig. 2 is a sectional view of a straw pulverizer provided by the embodiment of the utility model.

Description of the reference numerals:

1. a crusher box; 2. a straw treatment structure; 3. an upper cover of the pulverizer; 4. a gear case; 5. screening a screen;

101. a discharge port; 102. a cutting cavity; 103. a crushing cavity; 104. a fan cavity; 105. a discharge cavity;

201. a main shaft; 202. cutting off the cutter head; 203. a cutting knife; 204. a crushing knife; 205. a fan blade; 206. cutting off the fixed knife;

301. a straw feeding port.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

See fig. 1-2;

a straw pulverizer of this embodiment, this rubbing crusher includes:

a crusher box 1;

a straw treatment structure 2 integrated in the crusher box 1; and

a crusher upper cover 3 mounted on the upper end of the crusher box 1;

the crusher box body 1 is provided with a processing cavity and a discharging cavity 105 positioned at the bottom of the processing cavity, and the processing cavity and the discharging cavity 105 are divided by a screen 5;

the straw treatment structure 2 is positioned in the treatment cavity;

the upper cover 3 of the crusher is provided with a straw feeding hole 301, and the box body 1 of the crusher is provided with a discharging hole 101;

straw materials enter the treatment cavity from the straw feeding hole 301, are screened by the screen 5, enter the discharging cavity 104 and are discharged from the discharging hole 101;

the treatment cavity is sequentially provided with a cutting cavity 102 and a crushing cavity 103 from one end close to the straw feeding hole 301 to one end close to the straw discharging hole 101.

Specifically, this embodiment discloses a straw rubbing crusher suitable for it is on-vehicle, and it mainly includes rubbing crusher box 1, straw processing structure 2 and rubbing crusher upper cover 3. Wherein, the aforesaid straw processing structure 2 of integration in the rubbing crusher box 1 of this embodiment, and inside processing chamber divide into according to process flow (material trend) and cuts off chamber 102 and crushing chamber 103, the straw that gets into by straw feed inlet 301 at first carries out the first operation to the straw through cutting off chamber 102, cuts off the operation promptly, the straw through cutting off gets into crushing chamber 103 under the effect of wind-force and carries out crushing operation, and the straw through cutting off and crushing operation all can let the material that satisfies the particle size requirement get into material cavity 105 through the screening of screen cloth 5, finally discharge by foretell discharge gate 101.

Preferably, the case body 1 of the pulverizer of the present embodiment is integrated with a gear case 4 at one side thereof;

the straw treatment structure 2 comprises:

a main shaft 201 in transmission connection with the gear box 4;

the cutting knife group is arranged at one end of the main shaft 201 close to the straw feeding port 301 and is positioned in the cutting cavity 102;

a crushing cutter set arranged on the main shaft 201, wherein the crushing cutter set is positioned in the crushing cavity 103; and

a fan blade 205 mounted to the main shaft 201.

Wherein, above-mentioned cutting off knife tackle includes:

a plurality of cutting movable knives which are distributed at intervals along the axial direction of the main shaft 201; and

a cutting fixed knife 206 which is matched with the cutting movable knife and is integrated on the upper cover 3 of the crusher;

a plurality of cutting movable cutters are spirally distributed along the axial direction of the main shaft 201;

the crushing cutter group comprises a plurality of crushing cutters 204 which are distributed at intervals along the axial direction of the main shaft 201.

First, the present embodiment defines the concrete components of the straw treatment structure in detail, which includes a main shaft 201, and a cutting knife assembly, a crushing knife assembly and a fan blade 205 arranged in sequence along the main shaft 201. In the embodiment, four B-type triangular belts are adopted for inputting power, and the rotating speed of the main shaft 201 is controlled to be 2600 to 3800 revolutions per minute. Straw enters the chamber from a straw feed inlet 301 of the upper cover 3 of the crusher, and is firstly cut by the cutting knife set, and the cut straw material enters the crushing knife set in the crushing chamber 103 under the action of air flow to be crushed.

The fixed sword 206 cooperation of cutting off of the corresponding position of the cutter unit of this embodiment and rubbing crusher upper cover is in order to carry out the cutting-off processing to the straw material, wherein, in order to improve crushing effect and efficiency, the cutter of this embodiment is arranged according to spiral arrangement's mode to realize that the cutter cuts into gradually, consumed power reduces, and work is more steady.

Preferably, a fan cavity 104 is formed on one side of the crusher box 1 of the embodiment, which is close to the discharge port 101, and the fan blade 205 is located in the fan cavity 104;

the fan cavity 104 is communicated with the discharge cavity 105 to discharge the materials screened by the screen 5 through the discharge hole 101 in an air conveying manner.

As an expanded embodiment, the cutting-off movable knife of the present embodiment includes:

a cutter head 202 which is fixedly assembled with the main shaft 201 and driven to rotate by the main shaft 201; and

a plurality of cutting blades 203 fixed by fasteners are fitted in the circumferential direction of the cutter head 202.

The crushing knife 204 of the embodiment adopts a hammer piece, the movable cutting knife integrates a plurality of cutting knives 203 through the cutting knife disc 202, the cutting knives 203 are matched with the fixed cutting knife 206 in position to cut the straws, and then the crushing knife 204 performs crushing treatment.

The screen cloth in reasonable aperture can be selected according to the particle size of the straw material of technological requirement to this embodiment, and this department no longer gives details.

the utility model discloses a straw rubbing crusher connects gradually through a main shaft 201 and cuts off knife tackle, crushing knife tackle and fan blade 205, through cutting off and kibbling crushing effect and the efficiency that improves the straw of handling in proper order to the height that can the reducing mechanism of a main shaft 201 integrated mode makes it satisfy on-vehicle use, increases the treatment area that length can increase the screen cloth, improves screening efficiency, and the treatment effect that is less than 30% to straw moisture obtains improving.

The utility model discloses a rubbing crusher divide into and cuts off chamber 102 and crushing chamber 103, and cutting off cutter 203 is the spiral arrangement, and the cutter cuts into gradually like this for smash efficiently, consumption power is little, and work is steady, and adds long main shaft 201, and the crushing chamber 103 that corresponds also increases, is difficult for blockking up and the stifled phenomenon of taking the lead appears.

The utility model discloses a fan of rubbing crusher is in one side of main shaft 201 for the air current is according to axial flow, and the straw that is favorable to after cutting off gets into crushing chamber 103.

Certain exemplary embodiments of the present invention have been described above by way of illustration only, and it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive on the scope of the appended claims.

Claims

1. Straw rubbing crusher, its characterized in that, this rubbing crusher includes:

a crusher box (1);

a straw treatment structure (2) integrated in the crusher box (1); and

a crusher upper cover (3) mounted at the upper end of the crusher box body (1);

the crusher box body (1) is provided with a treatment cavity and a discharge cavity (105) positioned at the bottom of the treatment cavity, and the treatment cavity and the discharge cavity (105) are divided by a screen (5);

the straw treatment structure (2) is positioned in the treatment cavity;

the upper cover (3) of the pulverizer is provided with a straw feeding hole (301), and the pulverizer box body (1) is provided with a discharging hole (101);

straw materials enter the treatment cavity from the straw feeding hole (301), are sieved by the screen (5), enter the discharging cavity (105) and are discharged from the discharging hole (101);

the treatment cavity is sequentially a cutting cavity (102) and a crushing cavity (103) from one end close to the straw feeding hole (301) to one end close to the discharging hole (101).

2. The straw pulverizer as defined in claim 1, characterized in that a gear box (4) is integrated with one side of the pulverizer box (1);

the straw treatment structure (2) comprises:

a main shaft (201) in transmission connection with the gear box (4);

the cutting knife group is arranged at one end, close to the straw feeding hole (301), of the main shaft (201), and the cutting knife group is located in the cutting cavity (102);

a crushing cutter set arranged on the main shaft (201), wherein the crushing cutter set is positioned in the crushing cavity (103); and

a fan blade (205) mounted to the main shaft (201).

3. The straw pulverizer of claim 2, wherein the cutter set comprises:

a plurality of cutting movable knives distributed at intervals along the axial direction of the main shaft (201); and

a cutting fixed knife (206) which is matched with the cutting movable knife and is integrated on the upper cover (3) of the pulverizer;

the plurality of cutting movable cutters are spirally distributed along the axial direction of the main shaft (201);

the crushing cutter group comprises a plurality of crushing cutters (204) which are distributed at intervals along the axial direction of the main shaft (201).

4. The straw pulverizer as claimed in claim 2, wherein the pulverizer box (1) is formed with a fan chamber (104) near one side of the discharge port (101), and the fan blade (205) is located in the fan chamber (104);

the fan cavity (104) is communicated with the discharging cavity (105) and discharges the materials screened by the screen (5) from the discharging hole (101) in an air conveying mode.

5. The straw pulverizer as defined in claim 3, wherein the cut-off movable knife comprises:

the cutting cutter head (202) is fixedly assembled with the main shaft (201) and driven to rotate by the main shaft (201); and

and a plurality of cutting knives (203) which are fixed along the circumferential direction of the cutting knife disc (202) through fasteners.