CN213638956U

CN213638956U - Agricultural machine straw reducing mechanism

Info

Publication number: CN213638956U
Application number: CN202022658381.6U
Authority: CN
Inventors: 倪合兵
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-07-09
Anticipated expiration: 2030-11-17

Abstract

The utility model discloses an agricultural machine straw reducing mechanism, include the support frame and weld in the crushing case at support frame top, it is connected with the cutting case to smash the roof portion, and is connected with the feed chute on the outer wall of cutting case one side, the inner wall of feed chute both sides is fixed with the transport axle that the equidistance distributes through the bearing, and has cup jointed the conveying roller on carrying the off-axial wall, the feed chute bottom has the conveying motor through the bolt fastening. The utility model discloses can automatic feed, avoid artifical propelling movement straw, reduce the potential safety hazard, cut and smash the straw in proper order, filter through the stainless steel filter screen, can not make the ejection of compact of large granule straw, can control and smash the precision, improve the recycle ratio of straw, can be when cutting blade anticlockwise rotation, press the material to the straw, avoid the straw to vacate, improve cutting efficiency, crushing blade smashes the in-process to the straw and also plays the stirring effect, can accelerate the straw and pass the stainless steel filter screen, accelerate ejection of compact speed.

Description

Agricultural machine straw reducing mechanism

Technical Field

The utility model relates to a reducing mechanism technical field especially relates to an agricultural machine straw reducing mechanism.

Background

The straw is a general term of stem leaf (ear) part of mature crops. The remaining part of wheat, rice, corn, potatoes, rape, cotton, sugarcane and other crops (usually coarse grain) after harvesting seeds is generally referred to, the traditional straws are generally used as fertilizer to be returned to the field by burning, and the straw burning and returning to the field are gradually banned in recent years due to the treatment of environmental pollution.

The straw accessible is smashed the back and is supplied to the livestock as the fodder or carry out biogas fermentation and return the field again, not only can make the straw avoid burning, reduce the pollution, and can carry out recycle to the straw, reduce the poultry cost, chinese patent "CN 108738752 a" discloses "an agricultural machine straw reducing mechanism" for this reason, smash the straw, but the device uses the filter and the box of screening granule not closed, lead to the filter to vibrate the in-process about very easily make unqualified granule drop to the lower floor, consequently, collect the precision low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a straw crushing device for agricultural machinery.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an agricultural machinery straw smashing device comprises a supporting frame and a smashing box welded at the top of the supporting frame, wherein the top of the smashing box is connected with a cutting box, the outer wall of one side of the cutting box is connected with a feeding groove, the inner walls of the two sides of the feeding groove are fixedly provided with conveying shafts distributed at equal intervals through bearings, the outer wall of each conveying shaft is sleeved with a conveying roller, the bottom of the feeding groove is fixedly provided with a conveying motor through bolts, one end of each conveying shaft penetrating through the feeding groove and an output shaft of the conveying motor are both sleeved with belt pulleys, the adjacent belt pulleys are connected through a conveying belt in a transmission manner, the inner wall of the cutting box is fixedly provided with a cutting casing through bolts, the inner wall of the cutting casing is provided with cutting grooves distributed at equal intervals, the inner walls of the two sides of the cutting box are fixedly provided with rollers through bearings, the outer wall of the back of the cutting box, and the welding has the cutting blade that the equidistance distributes on the outer wall of cylinder, and cutting blade is the arc structure, be fixed with crushing motor on crushing case one side outer wall, and crushing motor's output shaft has the transmission shaft that is located crushing incasement through the coupling joint, the welding has the crushing blade that the equidistance distributes on the transmission shaft outer wall.

Preferably, the outer wall of one side of the cutting casing close to the feeding groove is provided with a feeding hole, and the bottom of the cutting casing is provided with a discharging hole.

Preferably, the cutting box is of a hollow cylindrical structure, and the cutting casing is matched with the inner wall of the cutting box.

Preferably, the vertical section specification of the cutting blade is smaller than that of the cutting groove, and the cutting blade is positioned in the cutting groove.

Preferably, stainless steel filter screens are fixed on the inner walls of the two sides of the lower part of the crushing box, the stainless steel filter screens are positioned below the crushing blades, and gaps of 1mm-2mm are reserved between the stainless steel filter screens and the crushing blades.

Preferably, material guiding hoppers are fixed on the inner walls of two sides of the bottom of the crushing box and are of a hollow circular truncated cone-shaped structure.

Preferably, the bottom of guide fill and the bottom of smashing the case all open the feed opening, and the interior wall mounting of feed opening has the discharging pipe.

The utility model has the advantages that:

1. the utility model discloses in feed through the feed chute to the straw, avoid artifical propelling movement straw, reduce the potential safety hazard, cut and smash the straw in proper order, filter through the stainless steel filter screen, can not make the ejection of compact of large granule straw, can control crushing precision, improve the recycle ratio of straw;

2. through the cutting blade of arc structure, can press the material to the straw when cutting blade anticlockwise rotates, avoid the straw to vacate, improve cutting efficiency, smash the blade and smash the in-process to the straw and also play stirring effect, can accelerate the straw and pass the stainless steel filter screen for ejection of compact speed.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of a straw crushing device of an agricultural machine according to the present invention;

FIG. 2 is a schematic view of a cutting box structure of the straw crushing device of the agricultural machine of the present invention;

fig. 3 is a back structural schematic diagram of the straw crushing device of the agricultural machine provided by the utility model.

In the figure: the automatic grinding machine comprises a support frame 1, a grinding box 2, a cutting box 3, a feeding groove 4, a conveying shaft 5, a conveying roller 6, a conveying motor 7, a belt pulley 8, a conveying belt 9, a cutting casing 10, a cutting motor 11, a roller 12, a cutting blade 13, a cutting groove 14, a grinding motor 15, a grinding blade 16, a stainless steel filter screen 17, a material guide hopper 18 and a material discharge pipe 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, an agricultural machinery straw smashing device comprises a support frame 1 and a smashing box 2 welded on the top of the support frame 1, wherein the top of the smashing box 2 is connected with a cutting box 3, the outer wall of one side of the cutting box 3 is connected with a feed chute 4, the inner walls of two sides of the feed chute 4 are fixed with conveying shafts 5 distributed equidistantly through bearings, the outer wall of the conveying shaft 5 is sleeved with conveying rollers 6, the bottom of the feed chute 4 is fixed with a conveying motor 7 through bolts, the conveying shafts 5 penetrate through one end of the feed chute 4 and output shafts of the conveying motor 7 are respectively sleeved with belt pulleys 8, adjacent belt pulleys 8 are in transmission connection through a conveying belt 9, the inner wall of the cutting box 3 is fixed with a cutting casing 10 through bolts, the inner wall of the cutting casing 10 is provided with cutting chutes 14 distributed equidistantly, the inner walls of two sides of the cutting box 3 are fixed with rollers 12 through bearings, and the cutting motor 11 is fixed on the outer wall of the back of the cutting box 3, the output shaft of the cutting motor 11 is coaxially connected with the roller 12, the outer wall of the roller 12 is welded with cutting blades 13 which are distributed equidistantly, the cutting blades 13 are of an arc-shaped structure, the outer wall of one side of the crushing box 2 is fixed with a crushing motor 15, the output shaft of the crushing motor 15 is connected with a transmission shaft which is positioned in the crushing box 2 through a coupling, the outer wall of the transmission shaft is welded with crushing blades 16 which are distributed equidistantly, the outer wall of one side of the cutting casing 10 which is close to the feeding groove 4 is provided with a feeding hole, the bottom of the cutting casing 10 is provided with a discharging hole, the cutting box 3 is of a hollow cylindrical structure, the cutting casing 10 is matched with the inner wall of the cutting box 3, the vertical section specification of the cutting blades 13 is smaller than that of, the stainless steel crushing box is characterized in that stainless steel filter screens 17 are fixed on inner walls of two sides of the lower portion of the crushing box 2, the stainless steel filter screens 17 are located below the crushing blades 16, gaps of 1mm-2mm are reserved between the stainless steel filter screens 17 and the crushing blades 16, guide hoppers 18 are fixed on inner walls of two sides of the bottom of the crushing box 2, the guide hoppers 18 are of hollow round platform-shaped structures, feed openings are formed in the bottoms of the guide hoppers 18 and the bottom of the crushing box 2, and discharge pipes 19 are installed on inner walls of the feed openings.

The working principle is as follows: through feed chute 4 to the straw feeding, avoid artifical propelling movement straw, reduce the potential safety hazard, cut and smash the straw in proper order, filtering through stainless steel filter screen 17, can not make the ejection of compact of large granule straw, can control crushing precision, improve the recycle ratio of straw, cutting blade 13 through the arc structure, can be when cutting blade 13 anticlockwise rotation, press the material to the straw, avoid the straw to vacate, improve cutting efficiency, smash blade 16 and smash the in-process to the straw and also play stirring effect, the straw can pass stainless steel filter screen 17 with higher speed, accelerate ejection of compact speed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An agricultural machinery straw smashing device comprises a support frame (1) and a smashing box (2) welded on the top of the support frame (1), and is characterized in that the top of the smashing box (2) is connected with a cutting box (3), the outer wall of one side of the cutting box (3) is connected with a feed chute (4), the inner walls of the two sides of the feed chute (4) are fixed with conveying shafts (5) distributed equidistantly through bearings, the outer wall of each conveying shaft (5) is sleeved with a conveying roller (6), the bottom of the feed chute (4) is fixed with a conveying motor (7) through bolts, the conveying shafts (5) penetrate through one end of the feed chute (4) and output shafts of the conveying motors (7) and are respectively sleeved with belt pulleys (8), adjacent belt pulleys (8) are in transmission connection through a conveying belt (9), and the inner wall of the cutting box (3) is fixed with a cutting sleeve shell (10) through bolts, and open on the inner wall of cutting shell (10) and have cutting groove (14) that the equidistance distributes, be fixed with cylinder (12) through the bearing on the both sides inner wall of cutting case (3), and be fixed with cutting motor (11) on cutting case (3) back outer wall, the output shaft and cylinder (12) coaxial coupling of cutting motor (11), and the welding has cutting blade (13) that the equidistance distributes on the outer wall of cylinder (12), and cutting blade (13) are the arc structure, be fixed with crushing motor (15) on crushing case (2) one side outer wall, and the output shaft of crushing motor (15) has the transmission shaft that is located crushing case (2) through the coupling joint, the welding has crushing blade (16) that the equidistance distributes on the transmission shaft outer wall.

2. An agricultural machine straw crushing device according to claim 1, wherein the cutting shell (10) is provided with a feed inlet on the outer wall of one side close to the feed chute (4), and a discharge outlet is arranged at the bottom of the cutting shell (10).

3. An agricultural machine straw crushing apparatus according to claim 1, wherein the cutting box (3) is of a hollow cylindrical structure, and the cutting shell (10) is adapted to the inner wall of the cutting box (3).

4. An agricultural machine straw crushing device according to claim 1, wherein the vertical section size of the cutting blade (13) is smaller than the vertical section size of the cutting groove (14), and the cutting blade (13) is positioned in the cutting groove (14).

5. The straw crushing device for the agricultural machinery according to claim 1, wherein stainless steel filter screens (17) are fixed on the inner walls of two sides of the lower part of the crushing box (2), the stainless steel filter screens (17) are positioned below the crushing blades (16), and a gap of 1mm-2mm is reserved between the stainless steel filter screens (17) and the crushing blades (16).

6. The straw crushing device for agricultural machinery according to claim 1, wherein material guiding hoppers (18) are fixed on the inner walls of two sides of the bottom of the crushing box (2), and the material guiding hoppers (18) are of hollow truncated cone-shaped structures.

7. The straw crushing device for the agricultural machinery as claimed in claim 6, wherein the bottom of the material guide hopper (18) and the bottom of the crushing box (2) are both provided with a feed opening, and a discharge pipe (19) is installed on the inner wall of the feed opening.