CN219500017U

CN219500017U - Straw shredding and collecting machine

Info

Publication number: CN219500017U
Application number: CN202320107695.8U
Authority: CN
Inventors: 孙小伟; 徐少强; 崔临平
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-02-03
Filing date: 2023-02-03
Publication date: 2023-08-11
Anticipated expiration: 2033-02-03

Abstract

The utility model discloses a straw shredding and collecting machine, which comprises a first supporting plate, wherein four corners of the bottom end of the first supporting plate are respectively provided with a telescopic cylinder, the bottom end of each telescopic cylinder is provided with a rotating wheel, a cutting mechanism, a first feeding mechanism, a second feeding mechanism, a shredding mechanism and a material receiving frame are arranged on the first supporting plate, the first feeding mechanism is communicated with the second feeding mechanism through a feeding hole, and the second feeding mechanism is communicated with the material receiving frame through the shredding mechanism; according to the utility model, through the arrangement of the first feeding mechanism, the second feeding mechanism, the crushing mechanism and the material receiving frame, the straws can be collected, and the straws can be crushed in the process of collecting the straws, so that the cost of manually collecting the straws and the cost of manually crushing the straws are greatly reduced; through the setting of shutdown mechanism, can cut into the width that is less than the feed inlet with the straw, avoid appearing the condition that the straw can not collect in the device, improved the collection effect of straw, just also improved the crushing efficiency of straw.

Description

Straw shredding and collecting machine

Technical Field

The utility model relates to the technical field of straw crushing and collecting, in particular to a straw crushing and collecting machine.

Background

The corn planting area in China is large, a large amount of corn straw is treated after corn harvesting, the crushing and recycling of the corn straw are provided for solving the environmental pollution caused by the burning of the corn straw and the requirement for developing animal husbandry, and in the corn straw treatment process, corn straw crushing equipment is needed to crush the corn straw after harvesting corn ears, and then the corn straw is subjected to field returning treatment or recycling treatment.

However, when the field where the straw needs to be collected is scattered, the large straw crushing equipment cannot work on the field, and at the moment, agricultural personnel are required to collect the straw in the field first and then crush the straw by using separate crushing equipment, and the straw cannot be crushed in the straw collecting process, so that the cost of manually collecting or crushing the straw is greatly increased; the existing straw crushing equipment has an unsatisfactory collecting effect on the straw on the field, so that the crushing efficiency of the straw is affected; therefore, how to crush the straw in the straw collecting process reduces labor cost, and meanwhile, the straw collecting effect can be improved, so that the straw crushing efficiency is improved, and the problem to be solved is urgent.

Disclosure of Invention

The utility model aims to provide a straw shredding and collecting machine so as to solve the problems in the prior art.

In order to achieve the above object, the present utility model provides the following solutions: the utility model provides a straw shredding and collecting machine which comprises a first supporting plate, wherein a cutting mechanism, a first feeding mechanism and a material collecting frame are sequentially arranged at the bottom end of the first supporting plate along the advancing direction, the material collecting frame is detachably connected with the first supporting plate, a second feeding mechanism is arranged at the top end of the first supporting plate and is positioned between the first feeding mechanism and the material collecting frame, a feeding hole is formed in the first supporting plate, the first feeding mechanism is communicated with the second feeding mechanism through the feeding hole, a stirring mechanism is fixedly arranged on the first supporting plate and is positioned in the material collecting frame, the second feeding mechanism is communicated with the material collecting frame through the stirring mechanism, telescopic cylinders are fixedly connected to four corners at the bottom end of the first supporting plate, and rotating wheels are fixedly connected to the bottom ends of the telescopic cylinders.

Preferably, the cutting mechanism comprises a first shell fixedly connected with the bottom end of the first support plate, a double-shaft motor is arranged in the first shell and fixedly connected with the first support plate, two first rotating shafts are fixedly connected to two output shafts of the double-shaft motor, cutting portions are connected to the first rotating shafts in a transmission mode, the cutting portions are symmetrically arranged on two sides of the first support plate, and the cutting portions are slidably connected with the first shell.

Preferably, the cutting part comprises a first rotating rod fixedly connected with a first rotating shaft, the tail end of the first rotating rod is rotationally connected with a second rotating rod, the tail end of the second rotating rod is rotationally connected with a cutting knife, the cutting knife is arranged along the vertical direction, the cutting knife is perpendicular to the first rotating shaft, the distance between the two cutting knives is smaller than the width of the feeding hole, the two ends of the cutting knife are fixedly provided with sliding blocks, the two sides of the inner wall of the first shell are provided with two first sliding grooves, and the cutting knife and the first shell are in limit sliding fit through the sliding blocks and the first sliding grooves.

Preferably, the first feeding mechanism comprises a feeding plate which is obliquely and fixedly arranged at the bottom end of the first supporting plate, the feeding plate is arranged at one side, far away from the cutting mechanism, of the feeding port, a first motor is arranged above the feeding plate and fixedly connected with the first supporting plate, a first feeding roller is fixedly connected to an output shaft of the first motor, a second feeding roller is arranged at one side, close to the feeding port, of the first feeding roller, a connecting rod is fixedly connected to the bottom end of the first supporting plate, the bottom end of the connecting rod is rotationally connected with the second feeding roller, the second feeding roller is in transmission connection with the first motor, and the first feeding roller and the second feeding roller are in clearance fit with the feeding plate.

Preferably, the second feeding mechanism comprises a second shell fixedly connected with the top end of the first supporting plate, a cutting part and a conveying part are sequentially arranged in the second shell along the advancing direction, the cutting part is positioned between the feeding port and the conveying part, the feeding end of the conveying part is positioned below the cutting part, and the discharging end of the conveying part is positioned above the stirring mechanism.

Preferably, the cutting part is including rotating the second axis of rotation of connecting on the second shells inner wall, the second axis of rotation with first motor drive is connected, the second axis of rotation with first feed roll parallel arrangement, fixed cover is equipped with a plurality of rotary knife in the second axis of rotation, the rotary knife sets up along vertical direction, a plurality of has cut groove, a plurality of is offered on first backup pad top cut groove respectively with a plurality of rotary knife one-to-one sets up.

Preferably, the conveying part comprises a conveying belt, an inclined groove is formed in the top of the first supporting plate, the inclined groove is located at one side, away from the feed inlet, of the cutting part, the feed end of the conveying belt is arranged in the inclined groove, and the discharge end of the conveying belt is located above the stirring mechanism.

Preferably, the second casing is provided with a blowing part, the blowing part is located at one side of the feeding port away from the cutting part, the blowing part comprises a fourth casing fixedly installed on the second casing, a fan is fixedly installed in the fourth casing, a filter plate is arranged at one side of the fan away from the feeding port, and the filter plate is fixedly connected with the inner wall of the fourth casing.

Preferably, the stirring mechanism comprises a stirring barrel, a vertical through hole is formed in the first supporting plate, the stirring barrel is fixedly sleeved in the vertical through hole, the stirring barrel is positioned in the material collecting frame, the top end of the conveying belt is positioned above the stirring barrel, a second motor is fixedly arranged in the middle of the bottom end of the stirring barrel, a rotating rod is fixedly connected to an output shaft of the second motor, stirring cutters are fixedly sleeved on the rotating rod, and a plurality of discharge holes are formed in the bottom end of the stirring barrel along the circumferential direction of the second motor at equal intervals.

Preferably, the bottom of first backup pad has been seted up the second spout, spacing slidable mounting has the locking lever in the second spout, the locking lever is kept away from one side fixedly connected with spring of receipts material frame, the spring with second spout inner wall fixed connection, the locking groove has been seted up on the receipts material frame top lateral wall, the locking lever is kept away from the one end of spring with locking groove looks adaptation, receive the material frame through the locking lever the locking groove with first backup pad can dismantle and be connected.

The utility model discloses the following technical effects: the utility model provides a straw shredding and collecting machine, which can collect straws in a sporadic field through the arrangement of a first feeding mechanism, a second feeding mechanism, a shredding mechanism and a material collecting frame, and can crush the straws in the straw collecting process, so that the cost of manually collecting the straws and the cost of manually crushing the straws are greatly reduced; through the setting of shutdown mechanism, can cut into the width that is less than the feed inlet with the straw, avoid appearing the condition that the straw can not collect in the device, improved the collection effect of straw, just also improved the crushing efficiency of straw.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a partial enlarged view at B in FIG. 1;

1, a first supporting plate; 2. a first housing; 3. a cutting knife; 4. a first rotation shaft; 5. a first rotating lever; 6. a second rotating lever; 7. a battery; 8. a telescopic cylinder; 9. a first feed roll; 10. a second feed roll; 11. a feed plate; 12. a second rotation shaft; 13. a conveyor belt; 14. a second housing; 15. a mashing cylinder; 16. a material receiving frame; 17. pushing the handle; 18. a second motor; 19. a rotating rod; 20. a mincing knife; 21. a blower; 22. a rotary knife; 24. a fourth housing; 29. a locking lever; 30. and (3) a spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

The utility model provides a straw shredding and collecting machine, which comprises a first supporting plate 1, wherein the bottom end of the first supporting plate 1 is sequentially provided with a cutting mechanism, a first feeding mechanism and a receiving frame 16 along the advancing direction, the receiving frame 16 is detachably connected with the first supporting plate 1, the top end of the first supporting plate 1 is provided with a second feeding mechanism, the second feeding mechanism is positioned between the first feeding mechanism and the receiving frame 16, a feeding port is formed in the first supporting plate 1, the first feeding mechanism is communicated with the second feeding mechanism through the feeding port, the first supporting plate 1 is fixedly provided with a shredding mechanism, the shredding mechanism is positioned in the receiving frame 16, the second feeding mechanism is communicated with the receiving frame 16 through the shredding mechanism, four corners of the bottom end of the first supporting plate 1 are fixedly connected with telescopic cylinders 8, and the bottom ends of the telescopic cylinders 8 are fixedly connected with rotating wheels; through the arrangement of the first feeding mechanism and the second feeding mechanism, the collection and preliminary crushing of the straws can be realized; by arranging the cutting mechanism, the straws can be cut off before being collected, so that the collection effect of the straws is improved; through the arrangement of the stirring mechanism, the straw can be stirred.

In a further optimized scheme, the cutting mechanism comprises a first shell 2 fixedly connected with the bottom end of a first supporting plate 1, a double-shaft motor is arranged in the first shell 2 and fixedly connected with the first supporting plate 1, two output shafts of the double-shaft motor are fixedly connected with first rotating shafts 4, cutting parts are connected to the two first rotating shafts 4 in a transmission manner, the two cutting parts are symmetrically arranged on two sides of the first supporting plate 1, and the two cutting parts are in sliding connection with the first shell 2; by providing the cutting part, the straw can be cut.

According to a further optimization scheme, the cutting part comprises a first rotating rod 5 fixedly connected with a first rotating shaft 4, the tail end of the first rotating rod 5 is rotationally connected with a second rotating rod 6, the tail end of the second rotating rod 6 is rotationally connected with a cutting knife 3, the cutting knife 3 is arranged in the vertical direction, the cutting knife 3 is perpendicular to the first rotating shaft 4, the distance between the two cutting knives 3 is smaller than the width of a feeding hole, sliding blocks are fixedly arranged at two ends of the cutting knife 3, two first sliding grooves are formed in two sides of the inner wall of a first shell 2, and the cutting knife 3 is in limit sliding fit with the first shell 2 through the sliding blocks and the first sliding grooves; by providing the cutter 3, the straw before collection can be cut.

Further optimizing scheme, first feed mechanism includes the feed plate 11 of slope fixed mounting in first backup pad 1 bottom, feed plate 11 sets up in the feed inlet and keeps away from the one side of shutdown mechanism, feed plate 11 top is provided with first motor, first motor and first backup pad 1 fixed connection, fixedly connected with first feed roller 9 on the output shaft of first motor, one side that first feed roller 9 is close to the feed inlet is provided with second feed roller 10, the bottom fixedly connected with connecting rod of first backup pad 1, the bottom and the rotation of second feed roller 10 of connecting rod are connected, second feed roller 10 is connected with first motor drive, distance between first feed roller 9, second feed roller 10 and the feed plate 11 is 0.2cm-1 cm; by the arrangement of the first feed roller 9 and the second feed roller 10, the straw can be collected into the device.

In a further optimized scheme, the second feeding mechanism comprises a second shell 14 fixedly connected with the top end of the first supporting plate 1, a cutting part and a conveying part are sequentially arranged in the second shell 14 along the advancing direction, the cutting part is positioned between the feeding port and the conveying part, the feeding end of the conveying part is positioned below the cutting part, and the discharging end of the conveying part is positioned above the stirring mechanism; through the setting of cutting part, can carry out preliminary cutting to the straw, through the setting of conveying part, can transport the straw after the preliminary cutting into the stirring mechanism.

In a further optimized scheme, the cutting part comprises a second rotating shaft 12 which is rotationally connected to the inner wall of the second shell 14, the second rotating shaft 12 is in transmission connection with the first motor, the second rotating shaft 12 is arranged in parallel with the first feeding roller 9, a plurality of rotating knives 22 are fixedly sleeved on the second rotating shaft 12, the rotating knives 22 are arranged in the vertical direction, a plurality of cutting grooves are formed in the top end of the first supporting plate 1, and the plurality of cutting grooves are respectively arranged in one-to-one correspondence with the plurality of rotating knives 22; by the arrangement of the rotary knife 22 and the cutting slot, the straw can be primarily cut.

In a further optimized scheme, the conveying part comprises a conveying belt 13, an inclined groove is formed in the top of the first supporting plate 1, the inclined groove is located at one side of the cutting part away from the feeding port, the feeding end of the conveying belt 13 is arranged in the inclined groove, and the discharging end of the conveying belt 13 is located above the stirring mechanism; by the arrangement of the conveyor belt 13, the initially cut straw can be transported into the shredder mechanism.

In a further optimized scheme, a blowing part is arranged on the second shell 14, the blowing part is positioned at one side of the feed inlet far away from the cutting part, the blowing part comprises a fourth shell 24 fixedly arranged on the second shell 14, a fan 21 is fixedly arranged in the fourth shell 24, a filter plate is arranged at one side of the fan 21 far away from the feed inlet, and the filter plate is fixedly connected with the inner wall of the fourth shell 24; by the arrangement of the fan 21, the straw can be pushed by wind power, and then the collection of the straw in the second shell 14 can be assisted; by the arrangement of the filter plates, the wind blown into the second housing 14 can be filtered.

According to a further optimized scheme, the stirring mechanism comprises a stirring barrel 15, a vertical through hole is formed in a first supporting plate 1, the stirring barrel 15 is fixedly sleeved in the vertical through hole, the stirring barrel 15 is positioned in a material collecting frame 16, the top end of a conveying belt 13 is positioned above the stirring barrel 15, a second motor 18 is fixedly arranged in the middle of the bottom end of the stirring barrel 15, a rotary rod 19 is fixedly connected to an output shaft of the second motor 18, stirring cutters 20 are fixedly sleeved on the rotary rod 19, and a plurality of discharge holes are formed in the bottom end of the stirring barrel 15 at equal intervals along the circumferential direction of the second motor 18; by the arrangement of the second motor 18 and the mashing blade 20, the straw can be mashed.

According to a further optimization scheme, a second sliding groove is formed in the bottom of the first supporting plate 1, a locking rod 29 is arranged in the second sliding groove in a limiting sliding manner, a spring 30 is fixedly connected to one side, away from the material receiving frame 16, of the locking rod 29, the spring 30 is fixedly connected with the inner wall of the second sliding groove, a locking groove is formed in the side wall of the top end of the material receiving frame 16, one end, away from the spring 30, of the locking rod 29 is matched with the locking groove, and the material receiving frame 16 is detachably connected with the first supporting plate 1 through the locking rod 29 and the locking groove; by the arrangement of the locking lever 29 and the spring 30, the receiving frame 16 can be locked under the first support plate 1.

In a further optimization scheme, a battery 7 is fixedly arranged at the top end of the first supporting plate 1, and the battery 7 is electrically connected with a double-shaft motor, a first motor, a second motor 18, a fan 21, a telescopic cylinder 8 and a conveyor belt 13; by means of the arrangement of the battery 7, the device can be supplied with power more conveniently.

In a further optimization scheme, a pushing handle 17 is fixedly arranged at one end, close to the material receiving frame 16, of the top of the first supporting plate 1; by arranging the pushing handle 17, the device can be more conveniently held and pushed.

The working process comprises the following steps: when the device is used, the battery 7 is charged, and the device is moved to a place where the chopped straws need to be collected through the moving wheel and the pushing handle 17; after moving to the appointed position, the telescopic cylinder 8 is adjusted to a proper height, the device is started, the pushing handle 17 is utilized to push forward, the two cutting knives 3 can move up and down in the first shell 2 under the drive of the double-shaft motor, the width of the ground straw is cut into the width equal to the width of the feeding hole, the straw is prevented from being excessively long, the straw cannot enter from the feeding hole, and the collection effect of the straw is improved.

The cut straws enter the feeding plate 11 and enter the second shell 14 from the feeding port by the drive of sharp teeth on the first feeding roller 9 and the second feeding roller 10; at this time, the wind blown out by the fan 21 can blow the straw into the second shell 14, so that the collection effect of the straw is further improved; the filter plate can filter the wind blown into the inside of the second housing 14, prevent the residue in the blown air from damaging the blower 21, and increase the service life of the blower 21.

The straw entering the second housing 14 is cut into small pieces above the cutting slot by the rotation of the plurality of rotary knives 22; the straw cut by the rotary knife falls on the conveyor belt 13 and enters the mashing cylinder 15 through the conveying of the conveyor belt 13; the straws entering the crushing cylinder 15 are crushed by the rotation of the crushing cutter 20, and the crushed straws enter the collecting frame 16 through the discharge hole at the bottom of the crushing cylinder 15, so that the crushing and collecting of the straws are completed.

When the straw collecting and chopping operation is completed, the locking bars 29 are pulled to two sides, and at this time, the locking bars 29 are separated from the locking grooves on the receiving frame 16, so that the receiving frame 16 can be removed, and the crushed straw is obtained.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims

1. The utility model provides a straw cuts up harvester, its characterized in that, includes first backup pad (1), first backup pad (1) bottom has set gradually shutdown mechanism, first feed mechanism, receipts material frame (16) along advancing direction, receive material frame (16) with first backup pad (1) can dismantle and be connected, first backup pad (1) top is provided with second feed mechanism, second feed mechanism is located first feed mechanism with receive between material frame (16), the feed inlet has been seted up on first backup pad (1), first feed mechanism passes through the feed inlet with second feed mechanism intercommunication, first backup pad (1) fixed mounting has the stirring mechanism, stirring mechanism is located receive in material frame (16), just second feed mechanism passes through stirring mechanism with receive material frame (16) intercommunication, four corners of first backup pad (1) bottom all fixedly connected with telescopic cylinder (8), telescopic connection has telescopic connection's (8) bottom.

2. The straw shredding and collecting machine according to claim 1, wherein the cutting mechanism comprises a first shell (2) fixedly connected with the bottom end of the first supporting plate (1), a double-shaft motor is arranged in the first shell (2), the double-shaft motor is fixedly connected with the first supporting plate (1), two output shafts of the double-shaft motor are fixedly connected with first rotating shafts (4), two cutting parts are respectively connected with the first rotating shafts (4) in a transmission manner, the two cutting parts are symmetrically arranged on two sides of the first supporting plate (1), and the two cutting parts are respectively connected with the first shell (2) in a sliding manner.

3. The straw chopping and collecting machine according to claim 2, wherein the cutting part comprises a first rotating rod (5) fixedly connected with the first rotating shaft (4), the tail end of the first rotating rod (5) is rotationally connected with a second rotating rod (6), the tail end of the second rotating rod (6) is rotationally connected with a cutting knife (3), the cutting knife (3) is arranged in the vertical direction, the cutting knife (3) is perpendicular to the first rotating shaft (4), the distance between the two cutting knives (3) is smaller than the width of the feeding hole, two sliding blocks are fixedly arranged at two ends of the cutting knife (3), two first sliding grooves are formed in two sides of the inner wall of the first shell (2), and the cutting knife (3) is in limiting sliding fit with the first shell (2) through the sliding blocks and the first sliding grooves.

4. The straw shredding and collecting machine according to claim 1, wherein the first feeding mechanism comprises a feeding plate (11) which is obliquely and fixedly arranged at the bottom end of the first supporting plate (1), the feeding plate (11) is arranged at one side of the feeding hole, which is far away from the cutting mechanism, a first motor is arranged above the feeding plate (11), the first motor is fixedly connected with the first supporting plate (1), a first feeding roller (9) is fixedly connected to an output shaft of the first motor, a second feeding roller (10) is arranged at one side of the first feeding roller (9) which is close to the feeding hole, a connecting rod is fixedly connected at the bottom end of the first supporting plate (1), the bottom end of the connecting rod is rotationally connected with the second feeding roller (10), the second feeding roller (10) is in transmission connection with the first motor, and the first feeding roller (9) and the second feeding roller (10) are in clearance fit with the feeding plate (11).

5. The straw shredding and collecting machine according to claim 4, wherein the second feeding mechanism comprises a second shell (14) fixedly connected with the top end of the first supporting plate (1), a cutting part and a conveying part are sequentially arranged in the second shell (14) along the advancing direction, the cutting part is positioned between the feeding port and the conveying part, the feeding end of the conveying part is positioned below the cutting part, and the discharging end of the conveying part is positioned above the shredding mechanism.

6. The straw chopping and collecting machine according to claim 5, wherein the cutting part comprises a second rotating shaft (12) rotatably connected to the inner wall of the second shell (14), the second rotating shaft (12) is in transmission connection with the first motor, the second rotating shaft (12) is arranged in parallel with the first feeding roller (9), a plurality of rotating knives (22) are fixedly sleeved on the second rotating shaft (12), the rotating knives (22) are arranged in the vertical direction, a plurality of cutting grooves are formed in the top end of the first supporting plate (1), and the plurality of cutting grooves are respectively arranged in one-to-one correspondence with the plurality of rotating knives (22).

7. The straw shredding and collecting machine according to claim 5, wherein the conveying part comprises a conveying belt (13), an inclined groove is formed in the top of the first supporting plate (1), the inclined groove is located at one side, far away from the feeding port, of the cutting part, the feeding end of the conveying belt (13) is arranged in the inclined groove, and the discharging end of the conveying belt (13) is located above the shredding mechanism.

8. The straw shredding and collecting machine according to claim 5, wherein a blowing part is arranged on the second shell (14), the blowing part is positioned on one side of the feeding hole away from the cutting part, the blowing part comprises a fourth shell (24) fixedly arranged on the second shell (14), a fan (21) is fixedly arranged in the fourth shell (24), a filter plate is arranged on one side of the fan (21) away from the feeding hole, and the filter plate is fixedly connected with the inner wall of the fourth shell (24).

9. The straw shredding and collecting machine according to claim 7, wherein the shredding mechanism comprises a shredding barrel (15), a vertical through hole is formed in the first supporting plate (1), the shredding barrel (15) is fixedly sleeved in the vertical through hole, the shredding barrel (15) is located in the material collecting frame (16), the top end of the conveying belt (13) is located above the shredding barrel (15), a second motor (18) is fixedly mounted in the middle of the bottom end of the shredding barrel (15), a rotary rod (19) is fixedly connected to an output shaft of the second motor (18), a shredding knife (20) is fixedly sleeved on the rotary rod (19), and a plurality of discharge holes are formed in the bottom end of the shredding barrel (15) at equal intervals along the circumferential direction of the second motor (18).

10. The straw shredding and collecting machine according to claim 1, wherein a second chute is formed in the bottom of the first supporting plate (1), a locking rod (29) is mounted in the second chute in a limiting sliding manner, a spring (30) is fixedly connected to one side, away from the material collecting frame (16), of the locking rod (29), the spring (30) is fixedly connected with the inner wall of the second chute, a locking groove is formed in the side wall of the top end of the material collecting frame (16), one end, away from the spring (30), of the locking rod (29) is matched with the locking groove, and the material collecting frame (16) is detachably connected with the first supporting plate (1) through the locking rod (29) and the locking groove.