CN212936805U

CN212936805U - Straw smashing device

Info

Publication number: CN212936805U
Application number: CN202021781230.3U
Authority: CN
Inventors: 栾桂云; 王巧云; 褚小军; 杜成喜; 李金启; 宋九林; 段俊霞; 陈素娜; 王向卫; 徐艳华; 王卫华; 王棒
Original assignee: Henan Lishikang Fertilizer Co ltd
Current assignee: Henan Lishikang Fertilizer Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-04-13
Anticipated expiration: 2030-08-24

Abstract

The utility model relates to a straw smashing device, including smashing the jar, the upper end of smashing the jar is connected with feed hopper, the lower extreme of smashing the jar has the discharge gate, the upper end of smashing the jar is provided with the motor mounting panel, driving motor has been placed on the motor mounting panel, the output shaft lower extreme is connected with the pivot, multiple blade discs have been arranged on the length extending direction of pivot, multiple transverse extending's horizontal blade has been arranged to the radial outside of blade disc, still be provided with first bevel gear in the pivot, first bevel gear meshes there is second bevel gear, the front end of second bevel gear meshes with first bevel gear, the rear end of second bevel gear is connected with the cylinder, the rear portion of cylinder rotates the assembly on the inside wall of smashing the jar, be provided with annular blade on the length; the lower extreme of pivot is provided with the cutting board, and the up end of cutting board is provided with the vertical blade in many places. The utility model discloses the straw that exists among the prior art needs cutting many times, smashes the lower technical problem of efficiency when smashing has effectively been solved.

Description

Straw smashing device

Technical Field

The utility model relates to the technical field of agricultural machinery, concretely relates to straw reducing mechanism.

Background

The straws refer to stem and leaf parts left after mature threshing of gramineous crops such as rice, wheat and corn, the rice, the wheat and the corn are the most widely planted crops in China, a large amount of straws are generated every year, the straws are main byproducts of the crops and are also important biological resources of industry and agriculture, the crop straws contain rich nutrition and can be used as waste materials, feeds, living fuels and raw materials for industrial and sideline production, the straws are often needed to be crushed when being treated, the straws are often crushed through a cutting structure when being treated by a traditional straw crushing device, the crushing effect is limited, the crushed straws need to be continuously returned into a box body where the cutting structure is located for secondary cutting, and the crushed straws meeting the standard can be obtained after circulation for multiple times, the treatment mode is not only low in efficiency, but also, when the straw returns into the cutting box body each time, a large amount of dust can be spilled out, so that the environment is polluted, and the health of field workers can be influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a straw reducing mechanism for the straw that exists among the solution prior art needs many times to cut, smashes the lower technical problem of efficiency when smashing.

In order to achieve the purpose, the utility model provides a straw smashing device adopts the following technical scheme:

a straw smashing device comprises a smashing tank, wherein the upper end of the smashing tank is connected with a feeding hopper communicated with the inner cavity of the smashing tank, the lower end of the smashing tank is provided with a discharge hole, a motor mounting plate is arranged at the upper end of the smashing tank, a driving motor for downwards extending an output shaft into the interior of the smashing tank is placed on the motor mounting plate, the lower end of the output shaft is connected with a rotating shaft, a plurality of radially extending cutter heads are arranged in the length extending direction of the rotating shaft, a plurality of transversely extending transverse blades are circumferentially arranged on the radial outer side of each cutter head along the cutter heads, a first bevel gear coaxial with the rotating shaft is further arranged on the rotating shaft, a second bevel gear with an axis vertical to the axis of the first bevel gear is meshed with the first bevel gear, the front end of the second bevel gear is meshed with the first bevel gear, the rear end of the second bevel gear, a plurality of annular blades extending radially are arranged in the length extending direction of the roller;

the lower extreme of pivot is provided with the cutting board of horizontal extension, the up end of cutting board is provided with the vertical blade of many places longitudinal extension.

The utility model provides a straw reducing mechanism's beneficial effect is: when straws are added into a crushing tank for crushing, the rotating shaft is driven to rotate through the driving motor, the rotating shaft drives the second bevel gear to rotate through the first bevel gear while rotating, the straws are cut by the combined action of the transverse blades on the cutterheads at a plurality of positions on the rotating shaft, the annular blades on the roller and the longitudinal blades on the cutting plate at the lower end of the rotating shaft, wherein the transverse blades on the cutterheads provide horizontal cutting for the straws, the annular blades and the longitudinal blades provide vertical cutting for the straws, and the cutting is two-stage cutting which is jointly completed by the annular blades and the longitudinal blades The crushing efficiency is lower.

Further, the number of the first bevel gears is two, each first bevel gear is meshed with two second bevel gears, and the two second bevel gears are centrosymmetric relative to the first bevel gears. The two second bevel gears are meshed with the four second bevel gears together, so that the cutting effect on the horizontal direction provided by the straws is better.

Further, the number of the cutting boards is two, and the two cutting boards are centrosymmetric relative to the rotating shaft. The longitudinal cutting effect provided by the two cutting plates is better; the centrosymmetric arrangement mode is more attractive.

Further, the outer side of the driving motor is provided with a protective cover. The safety cover can be used for protecting the driving motor and preventing the straw from damaging the driving motor when entering the crushing tank.

Further, the outer surface of the protective cover is in a spherical arc shape. The spherical arc-shaped structure facilitates the straws to smoothly fall into the crushing tank after falling onto the protective cover.

Further, the lower extreme opening of smashing the jar, the lower extreme of smashing the jar is provided with out the flitch, it is connected with smashing a jar lower extreme to go out flitch one end, the other end downward sloping in order to with smash a jar interval arrangement, the interval forms the discharge gate. The inclined discharging plate is used for guiding the crushed straws out of the crushing tank, so that the straws are prevented from scattering everywhere, and the straws are convenient to collect.

Drawings

FIG. 1 is a schematic view of a straw shredder according to the present invention;

fig. 2 is an enlarged view at a in fig. 1.

Reference numbers in the figures: 1. a grinding tank; 2. a feed hopper; 3. a motor mounting plate; 4. a drive motor; 5. a rotating shaft; 6. a cutter head; 7. a transverse blade; 8. a first bevel gear; 9. a second bevel gear; 10. a drum; 11. an annular blade; 12. a protective cover; 13. a discharge plate; 14. and (5) conveying the belt.

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.

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

the utility model provides a concrete embodiment of straw reducing mechanism:

as shown in figures 1 and 2, a straw crushing device, the upper end of a crushing tank 1 is connected with a feeding funnel 2 communicated with the inner cavity of the crushing tank 1, the lower end of the crushing tank 1 is provided with a discharge hole, the upper end of the crushing tank 1 is provided with a motor mounting plate 3, a driving motor 4 with an output shaft extending downwards into the crushing tank 1 is arranged on the motor mounting plate 3, the lower end of the output shaft is connected with a rotating shaft 5, a plurality of cutter discs 6 extending in the radial direction are arranged in the length extending direction of the rotating shaft 5, as shown in figure 1, the sizes of the cutter discs 6 are different, in other embodiments, the sizes of the cutter discs can be the same, as shown in figure 1, a plurality of transverse blades 7 extending in the transverse direction are arranged on the radial outer side of the cutter discs 6 along the circumferential direction of the cutter discs 6, a first bevel gear 8 coaxial with the rotating shaft 5 is further arranged on the rotating shaft 5, the front end of the second bevel gear 9 is meshed with the first bevel gear 8, the rear end of the second bevel gear 9 is connected with a transversely extending roller 10, the rear part of the roller 10 is rotatably assembled on the inner side wall of the crushing tank 1, and a plurality of annular blades 11 extending radially are arranged on the roller 10 in the length extending direction; the lower extreme of pivot 5 is provided with the cutting board of horizontal extension, and the up end of cutting board is provided with the vertical blade of many places longitudinal extension.

When straws are added into the crushing tank 1 for crushing, the rotating shaft 5 is driven to rotate through the driving motor 4, the rotating shaft 5 drives the second bevel gear 9 to rotate through the first bevel gear 8 while rotating, the straws are cut under the combined action of the transverse blades 7 on the cutterhead 6 at a plurality of positions on the rotating shaft 5, the annular blades 11 on the roller 10 and the longitudinal blades on the cutting plate at the lower end of the rotating shaft 5, wherein the transverse blades 7 on the cutterhead 6 provide horizontal cutting for the straws, the annular blades 11 and the longitudinal blades provide vertical cutting for the straws, and the cutting is two-stage cutting which is completed by the annular blades 11 and the longitudinal blades together, through the arrangement, the straws are actually subjected to three-stage cutting by the transverse blades 7 and the annular blades 11 on the roller 10 in the crushing tank 1, the crushing effect is better, the crushing efficiency is higher, and the three-stage cutting only needs one driving motor 4 as a power source, the energy consumption is low.

As shown in fig. 1 and 2, the number of the first bevel gears 8 is two, each of the first bevel gears 8 engages with two of the second bevel gears 9, and the two second bevel gears 9 are centrosymmetric with respect to the first bevel gears 8. The two second bevel gears 9 are meshed with the four second bevel gears 9 together, so that the horizontal cutting effect provided by the straws is better. In other embodiments, the two second bevel gears may not be centrosymmetric with respect to the first bevel gear, but in other embodiments, the number of the first bevel gears may also be one, three, or adjusted according to actual needs, and correspondingly, the number of the second bevel gears engaged with the first bevel gears may also be adjusted according to actual needs.

As shown in fig. 1, the number of the cutting boards is two, and the two cutting boards are centrosymmetric with respect to the rotating shaft 5. The longitudinal cutting effect provided by the two cutting plates is better; the arrangement mode of central symmetry is more pleasing to the eye, and in other embodiments, two cutting boards also can not be central symmetry for the pivot, and of course, the quantity of cutting board also can be one, three or adjust according to actual need.

As shown in fig. 1, the drive motor 4 has a protective cover 12 on the outside. The protective cover 12 can be used for protecting the driving motor 4, the driving motor 4 is prevented from being damaged when the straws enter the crushing tank 1, and the outer surface of the protective cover 12 is in a spherical arc shape. The spherical arc structure facilitates the straws to smoothly fall into the crushing tank 1 after falling onto the protective cover 12. In other embodiments, the protective cover may be square, but in other embodiments, the protective cover may not be provided.

As shown in fig. 1, the lower end of the pulverizing tank 1 is open, the lower end of the pulverizing tank 1 is provided with a discharge plate 13, one end of the discharge plate 13 is connected with the lower end of the pulverizing tank 1, and the other end is inclined downward to be spaced from the pulverizing tank 1, and the space forms a discharge outlet. The play flitch 13 of slope is used for leading out crushing jar 1 with the straw after smashing, has avoided the straw to spill everywhere, has made things convenient for the collection of straw, in other embodiments, also can not set up out the flitch, and the discharge gate is formed by the lower extreme opening of smashing the jar. A conveying belt 14 is arranged below the discharging belt, and can convey the crushed straws to other positions.

The utility model provides a straw reducing mechanism's theory of operation: after the straws are added into the crushing tank 1, the driving motor 4 is started, the driving motor 4 drives the rotating shaft 5 to rotate, the rotating shaft 5 drives the second bevel gear 9 to rotate through the first bevel gear 8 while rotating, the straws are cut under the combined action of the transverse blades 7 on the cutterhead 6 at a plurality of positions on the rotating shaft 5, the annular blades 11 on the roller 10 and the longitudinal blades on the cutting plate at the lower end of the rotating shaft 5, wherein the transverse blades 7 on the cutterhead 6 provide horizontal cutting for the straws, the annular blades 11 and the longitudinal blades provide vertical cutting for the straws, and the cutting is two-stage cutting which is completed by the annular blades 11 and the longitudinal blades together, through the arrangement, the straws are actually subjected to three-stage cutting by the transverse blades 7 and the annular blades 11 on the roller 10 in the crushing tank 1, the crushing effect is better, the crushing efficiency is higher, and the three-stage cutting only needs one driving motor 4 as a power source, the energy consumption is lower, and the straw after smashing is discharged to the conveyer belt 14 of play flitch 13 below through the discharge gate on, is carried to other positions. The utility model discloses the straw that exists among the prior art needs cutting many times, smashes the lower technical problem of efficiency when smashing has effectively been solved.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a straw reducing mechanism, includes crushing jar, its characterized in that: the upper end of the crushing tank is connected with a feeding funnel communicated with the inner cavity of the crushing tank, the lower end of the crushing tank is provided with a discharge hole, the upper end of the crushing tank is provided with a motor mounting plate, a driving motor with an output shaft extending downwards into the crushing tank is arranged on the motor mounting plate, the lower end of the output shaft is connected with a rotating shaft, a plurality of radially extending cutterheads are arranged in the length extending direction of the rotating shaft, a plurality of transversely extending transverse blades are arranged on the radial outer side of each cutterhead along the circumferential direction of each cutterhead, the rotating shaft is also provided with a first bevel gear coaxial with the rotating shaft, the first bevel gear is meshed with a second bevel gear, the axis of the second bevel gear is vertical to the axis of the first bevel gear, the front end of the second bevel gear is meshed with the first bevel gear, the rear end of the second bevel gear is connected with a transversely extending roller, the rear part of the roller is rotatably assembled on the inner side wall of the crushing tank, and a plurality of annular blades extending radially are arranged in the length extending direction of the roller;

2. The straw crushing apparatus as claimed in claim 1, wherein: the number of the first bevel gears is two, each first bevel gear is meshed with two second bevel gears, and the two second bevel gears are centrosymmetric relative to the first bevel gears.

3. The straw crushing apparatus according to claim 1 or 2, wherein: the number of cutting board is two, and two cutting boards are central symmetry for the pivot.

4. The straw crushing apparatus according to claim 1 or 2, wherein: the outer side of the driving motor is provided with a protective cover.

5. The straw crushing device as claimed in claim 4, wherein: the outer surface of the protective cover is in a spherical arc shape.

6. The straw crushing apparatus according to claim 1 or 2, wherein: the lower extreme opening of smashing the jar, the lower extreme of smashing the jar is provided with out the flitch, go out flitch one end and be connected with smashing a jar lower extreme, the other end downward sloping in order to with smash a jar interval arrangement, the interval forms the discharge gate.