CN112335424A

CN112335424A - Straw reducing mechanism is used to agricultural

Info

Publication number: CN112335424A
Application number: CN202011228808.7A
Authority: CN
Inventors: 李海花
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-02-09

Abstract

The invention discloses an agricultural straw smashing device which comprises a material conveying device, a box body and a supporting column, wherein the box body is fixed at the upper end of the supporting column, the material conveying device is arranged on one side of the box body, a feeding hopper is arranged at the upper end of the box body, a primary crushing device is arranged below the feeding hopper, a secondary crushing device is arranged below the primary crushing device, a conical drainage tube fixed on the inner wall of the box body is arranged below the secondary crushing device, a discharge tube is communicated with the lower end of the conical drainage tube, the discharge tube penetrates through the bottom of the box body and extends to the outside of the box body, a rammer is movably arranged inside one end, located in the box body, of the discharge tube, a second connecting rod is fixed at the upper end of the rammer, and the. The invention can avoid the phenomenon of blocking the discharge pipe caused by rapid feeding, thereby improving the crushing efficiency.

Description

Straw reducing mechanism is used to agricultural

Technical Field

The invention relates to the field of agricultural equipment design, in particular to an agricultural straw smashing device.

Background

The straw crusher can crush corn stalks, straws, peanut skin, bean stalks, firewood and other combustible crop waste stalks. The white burning of the crop straws is avoided, the environment is well protected, and the renewable energy is effectively developed. The machine has reliable performance and simple and convenient operation. The equipment has wide production raw materials and can adapt to combustible crop waste stalks such as corn stalks, straws, peanut skins, bean stalks, firewood and the like.

The straw reducing mechanism for the agricultural that has now is when throwing the material fast, and the straw after smashing through the crushing roller is piled up in discharge gate department easily, and the time is long afterwards filled up inside the device easily, causes serious influence and takes place accident easily to the crushing work in the back, for solving this problem, the material speed is thrown in the slow down basically that has now, but can hinder peasant's production efficiency like this.

Disclosure of Invention

The invention aims to provide an agricultural straw smashing device to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

an agricultural straw smashing device comprises a material conveying device, a box body and a supporting column, wherein the box body is fixed at the upper end of the supporting column, the material conveying device is arranged at one side of the box body, a feeding hopper is arranged at the upper end of the box body, a first-stage crushing device is arranged below the feeding hopper, a second-stage crushing device is arranged below the first-stage crushing device, a conical drainage tube fixed on the inner wall of the box body is arranged below the second-stage crushing device, the lower end of the conical drainage tube is communicated with a discharge tube, the discharge tube penetrates through the bottom of the box body and extends to the outside of the box body, a pounding hammer is movably arranged inside one end, located in the box body, of the discharge tube, a second connecting rod is fixed at the upper end of the pounding hammer, the upper end of the second, the output end of the third motor is provided with a first bevel gear, the inner wall of the bottom of the box body is fixedly provided with two fixing plates, the fixing plates are connected with a rotating rod in a rotating mode, one end of the rotating rod is provided with a second bevel gear, the other end of the rotating rod is provided with a cam, the first bevel gear and the second bevel gear are meshed with each other, the side wall of the cam is provided with a spherical sliding groove along the length direction, a spherical sliding block is arranged in the spherical sliding groove, and the spherical sliding block is fixedly connected with a first connecting.

As a further scheme of the invention: one-level milling device includes first pivot, second pivot, cutting blade, first guide rail wheel and belt, first pivot and second pivot are passed through the bearing frame and are rotated with the box lateral wall and be connected, the rear end of first pivot and second pivot is fixed with first guide rail wheel, first guide rail wheel passes through the belt and is connected with the second grade milling device transmission, all install cutting blade in first pivot and the second pivot, just cutting blade crisscross distribution each other is in first pivot and second pivot.

As a further scheme of the invention: the second grade crushing device includes third pivot, fourth pivot, first crushing roller, second crushing roller, first motor, second motor and second guide rail wheel, third pivot and fourth pivot are passed through the bearing frame and are connected with the lateral wall rotation of box, first motor and second motor are fixed on the mounting panel of box rear side, the second guide rail wheel is installed to the output of first motor and second motor, the second guide rail wheel respectively with the rear end fixed connection of third pivot and fourth pivot, the second guide rail wheel passes through the belt and is connected with the transmission of first guide rail wheel.

As a further scheme of the invention: the driving directions of the first motor and the second motor are opposite.

As a further scheme of the invention: the side wall of the box body is provided with a dust suction pipe in a penetrating mode, a dust extractor is installed in the dust suction pipe, and the lower end of the dust suction pipe is communicated with a dust collection box fixed on the side wall of the box body.

As a further scheme of the invention: and a filter screen is arranged at one end of the dust collection pipe close to the interior of the box body.

As a further scheme of the invention: the dust collecting box is connected with a dust collecting hopper in a sliding way.

As a further scheme of the invention: the dust collecting box is characterized in that a convex sliding block is fixed at the lower end of the dust collecting hopper, a convex sliding groove is formed in the inner bottom wall of the dust collecting box, the convex sliding block is in sliding fit with the convex sliding groove, and a handle is installed on the outer side of the dust collecting hopper.

Compared with the prior art, the invention has the beneficial effects that: firstly, the smashing device is continuously fed through a material conveying device, firstly, the straws are preliminarily cut through a first-stage smashing device and cut into small straws, then, the small straws are smashed through a second-stage smashing device, the smashed straws enter a discharge pipe through a conical drainage pipe and are driven to rotate through a third motor, a first bevel gear and a second bevel gear are meshed with each other to drive a rotating rod to rotate, so that a cam is driven to rotate, through the matching of a spherical sliding block and a spherical sliding groove, the cam drives a first connecting rod and a second connecting rod to reciprocate up and down to realize the up-and-down reciprocating motion of a pounding hammer, the straws in the discharge pipe are knocked, the phenomenon that the discharge pipe is blocked due to quick feeding is avoided, and the smashing efficiency is improved; second, after the pulverization, extract through the dust extractor with the dust on the box inner wall to collect through the dust collection box, avoid the dust to stop for a long time inside the box, cause the damage to inside part.

Drawings

FIG. 1 is a first structural schematic diagram of an agricultural straw crushing device.

Fig. 2 is a second structural schematic diagram of an agricultural straw smashing device.

Fig. 3 is a schematic structural diagram of a primary crushing device and a secondary crushing device in an agricultural straw crushing device in connection and matching.

Fig. 4 is a schematic structural view of a primary crushing device in the agricultural straw crushing device.

Fig. 5 is an enlarged schematic view of the structure at a position a in the agricultural straw crushing device.

Fig. 6 is a schematic structural view of a dust collecting box in the straw crushing device for agriculture.

In the figure: 1-box, 2-feed hopper, 3-material conveying device, 4-first rotating shaft, 5-second rotating shaft, 6-bearing seat, 7-cutting blade, 8-third rotating shaft, 9-fourth rotating shaft, 10-first crushing roller, 11-second crushing roller, 12-first motor, 13-second motor, 14-first guide rail wheel, 15-second guide rail wheel, 16-belt, 17-supporting column, 18-mounting plate, 19-conical drainage tube, 20-discharge tube, 21-fixing plate, 22-third motor, 23-first bevel gear, 24-second bevel gear, 25-rotating rod, 26-cam, 27-spherical slide block, 28-spherical chute, 29-first connecting rod, 30-a second connecting rod, 31-a hammer, 32-a dust suction pipe, 33-a filter screen, 34-a dust extractor, 35-a dust collection box, 36-a dust collection hopper and 37-a convex sliding block.

Detailed Description

In the description of the present invention, it is to be understood that the terms "upper end", "lower end", "one side", "lower side", "one end", "the other end", "rear side", "inner bottom wall", "inner", "outer side", and the like indicate orientations or positional relationships that are based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "mounted," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, releasably connected, or integral; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Example 1:

referring to fig. 1-5, an agricultural straw smashing device comprises a material conveying device 3, a box body 1 and a support column 17, wherein the box body 1 is fixed at the upper end of the support column 17, the material conveying device 3 is arranged at one side of the box body 1, a feed hopper 2 is arranged at the upper end of the box body 1, a first-stage smashing device is arranged below the feed hopper 2, a second-stage smashing device is arranged below the first-stage smashing device, a conical drainage tube 19 fixed on the inner wall of the box body 1 is arranged below the second-stage smashing device, the lower end of the conical drainage tube 19 is communicated with a discharge tube 20, the discharge tube 20 penetrates through the bottom of the box body 1 and extends to the outside of the box body 1, a pounding hammer 31 is movably arranged inside one end of the discharge tube 20 positioned in the box body 1, a second connecting rod 30 is fixed at the upper end of the pounding, the lower end of one side of the conical drainage tube 19 is provided with a third motor 22 fixed on the inner wall of the box body 1, the output end of the third motor 22 is provided with a first bevel gear 23, the inner wall of the bottom of the box body 1 is fixed with two fixing plates 21, the fixing plates 21 are connected with a rotating rod 25 in a rotating manner, one end of the rotating rod 25 is provided with a second bevel gear 24, the other end of the rotating rod 25 is provided with a cam 26, the first bevel gear 23 is meshed with the second bevel gear 24, the side wall of the cam 26 is provided with a spherical sliding groove 28 along the length direction, a spherical sliding block 27 is installed in the spherical sliding groove 28, and the spherical sliding.

Concretely, continuously throw the material to this reducing mechanism through material transfer device 3, carry out preliminary cutting to the straw through one-level milling device earlier, cut into little straw, rethread second grade milling device smashes little straw, the straw after smashing passes through toper drainage tube 19 and gets into in discharging pipe 20, rethread third motor 22 drives first bevel gear 23 rotatory, first bevel gear 23 and second bevel gear 24 intermeshing, it is rotatory to drive bull stick 25, thereby it is rotatory to drive cam 26, cooperation through spherical slider 27 and spherical spout 28, thereby cam 26 drives first connecting rod 29 and second connecting rod 30 up-and-down reciprocating motion and realizes pounding 31's up-and-down reciprocating motion, strike the straw in discharging pipe 20, avoid causing because of throwing the material fast and block up discharging pipe 20 phenomenon and appear, improve crushing efficiency.

The one-level crushing device comprises a first rotating shaft 4, a second rotating shaft 5, cutting blades 7, a first guide rail wheel 14 and a belt 16, wherein the first rotating shaft 4 and the second rotating shaft 5 are rotationally connected with the side wall of the box body 1 through a bearing seat 6, the rear ends of the first rotating shaft 4 and the second rotating shaft 5 are fixedly provided with the first guide rail wheel 14, the first guide rail wheel 14 is in transmission connection with a second-level crushing device through the belt 16, the cutting blades 7 are arranged on the first rotating shaft 4 and the second rotating shaft 5, the cutting blades 7 are mutually staggered and distributed on the first rotating shaft 4 and the second rotating shaft 5, the second-level crushing device comprises a third rotating shaft 8, a fourth rotating shaft 9, a first crushing roller 10, a second crushing roller 11, a first motor 12, a second motor 13 and a second guide rail wheel 15, the third rotating shaft 8 and the fourth rotating shaft 9 are rotationally connected with the side wall of the box body 1 through the bearing seat 6, first motor 12 and second motor 13 are fixed on the mounting panel 18 of box 1 rear side, second guide rail wheel 15 is installed to the output of first motor 12 and second motor 13, second guide rail wheel 15 respectively with the rear end fixed connection of third pivot 8 and fourth pivot 9, second guide rail wheel 15 is connected with first guide rail wheel 14 transmission through belt 16, the driving direction of first motor 12 and second motor 13 is opposite.

Specifically, the first motor 12 and the second motor 13 drive the second guide rail wheel 15 to rotate relatively, and drive the third rotating shaft 8 and the fourth rotating shaft 9 to rotate relatively, the third rotating shaft 8 and the fourth rotating shaft 9 drive the first crushing roller 10 and the second crushing roller 11 to rotate mutually, meanwhile, the second guide rail wheel 15 also rotates relatively through the transmission of the belt 16, drive the first rotating shaft 4 and the second rotating shaft 5 to rotate relatively, the first rotating shaft 4 and the second rotating shaft 5 rotate relatively, so that the cutting blades 7 rotate in a mutually crossed manner, and therefore the straws are primarily cut into small straws which fall between the first crushing roller 10 and the second crushing roller 11 and are crushed.

Example 2:

the present embodiment provides a straw crushing apparatus for agriculture, which is further defined based on the embodiment 1 with reference to fig. 1, fig. 2 and fig. 6.

A dust suction pipe 32 penetrates through the side wall of the box body 1, a dust extractor 34 is installed in the dust suction pipe 32, and the lower end of the dust suction pipe 32 is communicated with a dust collection box 35 fixed on the side wall of the box body 1.

Specifically, the dust in the box body 1 is pumped into the dust collection box 35 through the dust collection pipe 32 by the dust pump 34, so that the dust is prevented from staying in the box body 1 for a long time and damaging internal components.

A filter screen 33 is arranged at one end of the dust suction pipe 32 close to the interior of the box body 1, and the filter screen 33 is used for preventing straws from entering the dust suction pipe 32 in the crushing process.

A dust collecting hopper 36 is connected in the dust collecting box 35 in a sliding manner, a convex sliding block 37 is fixed at the lower end of the dust collecting hopper 36, a convex sliding groove is formed in the inner bottom wall of the dust collecting box 35, the convex sliding block 37 is in sliding fit with the convex sliding groove, and a handle is installed on the outer side of the dust collecting hopper 36.

Specifically, after the dust collection is finished, the receiving hopper can be drawn out from the dust collection box 35 through the handle, so that the dust can be collected and treated in a centralized manner.

The working principle is as follows: with reference to fig. 1-6, in use, the material conveying device 3 continuously feeds the smashing device, the first-stage smashing device primarily cuts the straws into small straws, the second-stage smashing device smashes the small straws, the smashed straws enter the discharge pipe 20 through the conical drainage pipe 19, the third motor 22 drives the first bevel gear 23 to rotate, the first bevel gear 23 and the second bevel gear 24 are meshed with each other to drive the rotating rod 25 to rotate, so as to drive the cam 26 to rotate, the cam 26 drives the first connecting rod 29 and the second connecting rod 30 to reciprocate up and down through the matching of the spherical sliding block 27 and the spherical sliding groove 28, so as to realize the reciprocating motion of the pounding hammer 31, the straws in the discharge pipe 20 are knocked, the phenomenon that the discharge pipe 20 is blocked due to rapid feeding is avoided, and the smashing efficiency is improved, after the pulverization, extract the dust on the inner wall of the box body 1 through the dust extractor 34, and collect through the dust collecting box 35, avoid the dust to stay inside the box body 1 for a long time, and cause damage to the inside parts.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An agricultural straw smashing device comprises a material conveying device (3), a box body (1) and a supporting column (17), and is characterized in that the box body (1) is fixed at the upper end of the supporting column (17), the material conveying device (3) is arranged on one side of the box body (1), a feeding hopper (2) is arranged at the upper end of the box body (1), a primary crushing device is arranged below the feeding hopper (2), a secondary crushing device is arranged below the primary crushing device, a conical drainage tube (19) fixed on the inner wall of the box body (1) is arranged below the secondary crushing device, a discharge tube (20) is communicated with the lower end of the conical drainage tube (19), the discharge tube (20) penetrates through the bottom of the box body (1) and extends to the outside of the box body (1), and a pounding hammer (31) is movably arranged inside one end, located in the box body (1), of the discharge, a second connecting rod (30) is fixed at the upper end of the pounding hammer (31), a first connecting rod (29) is rotatably connected at the upper end of the second connecting rod (30) through a pin shaft, a third motor (22) fixed on the inner wall of the box body (1) is arranged at the lower end of one side of the conical drainage tube (19), a first bevel gear (23) is installed at the output end of the third motor (22), two fixing plates (21) are fixed on the inner wall of the bottom of the box body (1), a rotating rod (25) is rotatably connected on the fixing plates (21), a second bevel gear (24) is installed at one end of the rotating rod (25), a cam (26) is installed at the other end of the rotating rod, the first bevel gear (23) is meshed with the second bevel gear (24), a spherical sliding groove (28) is formed in the side wall of the cam (26) along the length, the spherical sliding block (27) is fixedly connected with the first connecting rod (29).

2. The agricultural straw smashing device according to claim 1, wherein the primary crushing device comprises a first rotating shaft (4), a second rotating shaft (5), cutting blades (7), a first guide rail wheel (14) and a belt (16), the first rotating shaft (4) and the second rotating shaft (5) are rotatably connected with the side wall of the box body (1) through a bearing seat (6), the first guide rail wheel (14) is fixed at the rear end of the first rotating shaft (4) and the rear end of the second rotating shaft (5), the first guide rail wheel (14) is in transmission connection with the secondary crushing device through the belt (16), the cutting blades (7) are mounted on the first rotating shaft (4) and the second rotating shaft (5), and the cutting blades (7) are distributed on the first rotating shaft (4) and the second rotating shaft (5) in a mutually staggered mode.

3. The agricultural straw chopper as defined in claim 2, wherein the secondary crushing device comprises a third rotating shaft (8), a fourth rotating shaft (9), a first crushing roller (10), a second crushing roller (11), a first motor (12), a second motor (13) and a second guide wheel (15), the third rotating shaft (8) and the fourth rotating shaft (9) are rotationally connected with the side wall of the box body (1) through a bearing seat (6), the first motor (12) and the second motor (13) are fixed on a mounting plate (18) at the rear side of the box body (1), the output ends of the first motor (12) and the second motor (13) are provided with a second guide rail wheel (15), the second guide rail wheel (15) is respectively fixedly connected with the rear ends of the third rotating shaft (8) and the fourth rotating shaft (9), the second guide rail wheel (15) is in transmission connection with the first guide rail wheel (14) through a belt (16).

4. An agricultural straw chopper as claimed in claim 3, wherein the first motor (12) and the second motor (13) are driven in opposite directions.

5. The agricultural straw smashing device according to claim 1, wherein a dust suction pipe (32) penetrates through the side wall of the box body (1), a dust extractor (34) is installed in the dust suction pipe (32), and the lower end of the dust suction pipe (32) is communicated with a dust collection box (35) fixed on the side wall of the box body (1).

6. An agricultural straw crushing device as claimed in claim 5, wherein a filter screen (33) is installed at one end of the dust suction pipe (32) close to the inside of the box body (1).

7. The agricultural straw crushing device as claimed in claim 5, wherein a dust collecting hopper (36) is slidably connected with the dust collecting box (35).

8. The agricultural straw smashing device according to claim 7, wherein a convex sliding block (37) is fixed at the lower end of the dust collecting hopper (36), a convex sliding groove is formed in the inner bottom wall of the dust collecting box (35), the convex sliding block (37) is in sliding fit with the convex sliding groove, and a handle is mounted on the outer side of the dust collecting hopper (36).