CN113396703A

CN113396703A - A press and chop mechanical equipment for crop straw recovery processing

Info

Publication number: CN113396703A
Application number: CN202110719784.3A
Authority: CN
Inventors: 杨刚; 罗嗣林
Original assignee: Taizhou Vocational College of Science and Technology
Current assignee: Taizhou Vocational College of Science and Technology
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2021-09-17

Abstract

The invention discloses chopping mechanical equipment for recycling crop straws, relates to the field of agricultural machinery, and aims to solve the problem that the existing crop straws cannot be effectively recycled and influence the agricultural planting environment. The crop straw recovery device can effectively replace manpower to recover, crush, chop and discharge crop straws, effectively improve the recovery efficiency of the crop straws, reduce the labor force output and simultaneously reduce the space area occupied by the crop straws.

Description

A press and chop mechanical equipment for crop straw recovery processing

Technical Field

The invention relates to the field of agricultural machinery, in particular to a chopping mechanical device for recovering and treating crop straws.

Background

The straw is a general term of stem leaf (ear) part of mature crops. Typically refers to the remainder of the wheat, rice, corn, potatoes, oilseed rape, cotton, sugar cane and other crops (typically roughages) after harvesting the seed. More than half of the products of crop photosynthesis exist in the straws, and the straws are rich in nitrogen, phosphorus, potassium, calcium, magnesium, organic matters and the like, are multipurpose renewable biological resources, and are also coarse feed. It features high coarse fibre content (30-40%), and lignin content. Although the lignocellulose cannot be utilized by pigs and chickens, the lignocellulose can be absorbed and utilized by livestock such as ruminants, cattle and sheep.

In summer harvesting and autumn and winter every year, a large amount of straws of wheat, corn and the like are always burnt in the field, a large amount of dense smoke is generated, the problem becomes a bottleneck problem of rural environment protection and even becomes a strong cause of the urban environment, so people think of recycling and processing the straws for waste utilization, the existing straw recycling efficiency is low and is generally finished manually, and the stacking of the straws not only influences the appearance, but also occupies the crop planting space, and therefore, in order to solve the problems, the mechanical chopping equipment for recycling and processing the crop straws is provided.

Disclosure of Invention

The invention provides a chopping mechanical device for recovering and treating crop straws, which solves the problem that the existing crop straws cannot be effectively recycled, so that the agricultural planting environment is influenced.

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

a chopping mechanical device for recovering and treating crop straws comprises a vehicle body, wherein a U-shaped cover plate is installed at the top end of the vehicle body, a material collecting component is installed at the front end of the vehicle body, a chopping box is installed at the top end of the vehicle body close to the tail of the vehicle body, and a conveying belt is installed between the material collecting component and the chopping box at the top end of the vehicle body;

a driving assembly is installed on one side of the cover plate, a cutting assembly, a material blocking assembly and a chopping assembly are installed on a box body of the chopping box, the cutting assembly is driven by the driving assembly, and the material blocking assembly is located between the cutting assembly and the chopping assembly;

and a discharging assembly is arranged between the chopping box and the bottom end of the vehicle body.

As preferred, it includes inserted bar, mounting panel, dwang and draws the material pole to draw the material subassembly, the front end fixedly connected with of automobile body two mounting panels that are the symmetric distribution and a plurality of inserted bars that are equidistant distribution along its automobile body width direction, just the inserted bar is located the below of mounting panel, the inserted bar is the downward sloping setting, two rotate between the mounting panel and install the dwang, just fixed mounting has a plurality of structures the same to draw the material pole on the body of rod of dwang.

As preferred, drive assembly includes driving motor, main belt pulley, vice belt pulley and mount pad, one side fixed mounting of cover plate has the mount pad, just the top fixed mounting of mount pad has driving motor, driving motor's the fixed cover of output shaft has main belt pulley, the dwang is close to drive assembly's one end and runs through this side mounting panel, and the vice belt pulley of fixedly connected with, be connected with driving belt between main belt pulley and the vice belt pulley.

As preferred, the cutting subassembly smashes the rotor including drive fluted disc, driven fluted disc and cutting, rotate between the both sides inner wall of chopping box and install the same cutting crushing rotor of three structure, and be located the centre the pivot of cutting crushing rotor runs through the lateral wall fixedly connected with drive fluted disc of chopping box and cover plate, is located both sides the pivot of cutting crushing rotor runs through the driven fluted disc of the lateral wall fixedly connected with of chopping box and cover plate, just drive fluted disc and driven fluted disc meshing, and drive fluted disc and driving motor's output shaft tip fixed connection.

As preferred, keep off the material subassembly and include movable plate, connecting plate, first electric telescopic handle, mounting groove, infrared sensor and unloading baffle, the chopping box is close to one side inner wall fixedly connected with unloading baffle of conveyer belt, just the mounting groove has been seted up to the bottom of unloading baffle, the internally mounted of mounting groove has infrared sensor.

As preferred, the one side slip that the chopping box kept away from the unloading baffle runs through and is provided with the movable plate, just one side that unloading baffle and movable plate are close to each other all is the slope setting, the movable plate is located the outside one end below fixedly connected with connecting plate of chopping box, just install an electric telescopic handle between the lateral wall of connecting plate and chopping box.

As preferred, the subassembly of chopping includes second electric telescopic handle and chop the board, the equal fixed mounting in both sides of chopping the case has second electric telescopic handle, just the inside fixed connection that the tip of second electric telescopic handle extended to the chopping case chops the board, and chops the bottom laminating sliding connection of board and movable plate and unloading baffle.

Preferably, the infrared sensor comprises an infrared receiver and an infrared transmitter, the controller is installed on the side wall of the chopping box, the input end of the controller is electrically connected with the infrared receiver, and the output end of the controller is electrically connected with the first electric telescopic rod and the second electric telescopic rod.

As preferred, the subassembly of unloading includes fly leaf, first fixed plate, second fixed plate, movable rod, spacing groove, stopper, first reset spring, activity groove and second reset spring, the bottom sliding connection of pressing the chopping box has two fly leaves that are the symmetric distribution, the first fixed plate of bottom fixedly connected with of automobile body, the second fixed plate that one side fixedly connected with cross-section that the conveyer belt was kept away from to the pressing the chopping box is the L type, just two equal fixedly connected with two movable rods that are the symmetric distribution in one side that the vertical section of second fixed plate and first fixed plate are close to each other, two the movable groove that two are the symmetric distribution is all seted up to one side that the fly leaf was kept away from each other, just the tip of movable rod extends to the inside of activity groove, and the first reset spring of fixedly connected with.

As preferred, two spacing grooves that are the symmetric distribution are seted up on the top of fly leaf, just slidable mounting has the stopper in the spacing groove, the bottom and the spacing inslot wall fixedly connected with second reset spring of stopper, one side that the stopper kept away from the chopping box central point and put is the slope setting.

The invention has the beneficial effects that:

1. the rotation of driving motor drive belt pulley through on the drive assembly for it can replace the manual work to realize that the efficient shovel is received to crop straw to take the plunger on the material subassembly with taking the cooperation of material pole, has not only improved recovery efficiency, also reduces labour's output simultaneously, drives the rotation of the cutting knife roller on the cutting assembly through the drive assembly in addition, makes it can cut shredding to the crop straw of retrieving, thereby makes things convenient for subsequent pressure to chop the processing.

2. Through the infrared sensor who sets up on keeping off the material subassembly to can prevent effectively that the crops straw piece after smashing from spilling over and chop the case, and can block the piece through the movable plate removal on keeping off the material subassembly and the laminating of unloading baffle, then realize chopping the operation through the electronic telescopic link drive pressure that chops on the subassembly, reduce the planting space that the crops straw took, and can make the crops straw piece after chopping the shaping derive the device wholly through the subassembly of unloading, conveniently carry out the operation of chopping of follow-up crops straw.

3. Through the organism recovery processing to crop straw, not only can effectively avoid the serious phenomenon of air pollution because the straw burns and lead to taking place, can utilize the crops after retrieving the chopping as crop fertilizer simultaneously, save farming's economy and energy resource consumption, be favorable to energy saving and emission reduction.

To sum up, the device can effectually replace the manual work to retrieve, smash, chop and unload the processing to crop straw, the effectual recovery efficiency that improves crop straw reduces labour's output, can reduce the space area that crop straw occupy simultaneously to can avoid because the serious phenomenon of air pollution that the straw burns and leads to takes place, be favorable to energy saving and emission reduction.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the present invention in a half-bottom configuration;

FIG. 4 is a schematic view of the shroud of the present invention shown removed;

FIG. 5 is a schematic view of the mounting structure of the chopping box and driving assembly, the material blocking assembly and the discharging assembly of the present invention;

FIG. 6 is a schematic diagram of the disassembled structure of FIG. 5 according to the present invention;

FIG. 7 is an enlarged view of B of FIG. 6 according to the present invention;

fig. 8 is a schematic structural view of the striker assembly of the invention;

FIG. 9 is a schematic structural view of a discharge assembly of the present invention;

fig. 10 is an enlarged structural view of C in fig. 9 according to the present invention.

Reference numbers in the figures: 1. a vehicle body; 2. a cover plate; 3. a material collecting component; 301. inserting a rod; 302. mounting a plate; 303. rotating the rod; 304. collecting a material rod; 4. the material blocking component; 401. moving the plate; 402. a connecting plate; 403. a first electric telescopic rod; 404. mounting grooves; 405. an infrared sensor; 406. a blanking baffle; 5. a discharge assembly; 501. a movable plate; 502. a first fixing plate; 503. a second fixing plate; 504. a movable rod; 505. a limiting groove; 506. a limiting block; 507. a first return spring; 508. a movable groove; 509. a second return spring; 6. a cutting assembly; 601. a driving fluted disc; 602. a driven fluted disc; 603. cutting the crushing knife roll; 7. a drive assembly; 701. a drive motor; 702. a primary pulley; 703. a secondary pulley; 704. a mounting seat; 8. a conveyor belt; 9. a chopping assembly; 901. a second electric telescopic rod; 902. chopping the plate; 10. a chopping box.

Detailed Description

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

Example one

Referring to fig. 1-10, a chopping mechanical device for recovering and treating crop straws comprises a vehicle body 1, wherein a U-shaped cover plate 2 is installed at the top end of the vehicle body 1, a material collecting component 3 is installed at the front end of the vehicle body 1, a chopping box 10 is installed at the top end of the vehicle body 1 close to the tail part of the vehicle body, and a conveyor belt 8 is installed at the top end of the vehicle body 1 between the material collecting component 3 and the chopping box 10;

a driving component 7 is installed on one side of the cover plate 2, a cutting component 6, a material blocking component 4 and a chopping component 9 are installed on a box body of the chopping box 10, the cutting component 6 is driven by the driving component 7, and the material blocking component 4 is located between the cutting component 6 and the chopping component 9;

referring to fig. 1, fig. 3 and fig. 4, the material collecting assembly 3 includes an inserting rod 301, a mounting plate 302, a rotating rod 303 and a material collecting rod 304, the two mounting plates 302 which are symmetrically distributed and a plurality of inserting rods 301 which are equally spaced and distributed along the width direction of the vehicle body 1 are fixedly connected to the front end of the vehicle body 1, the inserting rod 301 is located below the mounting plates 302, the inserting rod 301 is arranged in a downward inclined manner, the rotating rod 303 is rotatably installed between the two mounting plates 302, and the material collecting rods 304 which are identical in structure are fixedly installed on the rod body of the rotating rod 303.

Referring to fig. 1 to 6, the driving assembly 7 includes a driving motor 701, a primary pulley 702, a secondary pulley 703 and a mounting base 704, the mounting base 704 is fixedly mounted on one side of the cover plate 2, the driving motor 701 is fixedly mounted on the top end of the mounting base 704, the primary pulley 702 is fixedly connected to an output shaft of the driving motor 701, one end of the rotating rod 303 close to the driving assembly 7 penetrates through the mounting plate 302 on the side and is fixedly connected with the secondary pulley 703, and a transmission belt is connected between the primary pulley 702 and the secondary pulley 703.

The cutting assembly 6 comprises a driving fluted disc 601, a driven fluted disc 602 and a cutting and crushing knife roll 603, three cutting and crushing knife rolls 603 with the same structure are rotatably arranged between the inner walls of the two sides of the chopping box 10, the rotating shaft of the cutting and crushing knife roll 603 in the middle is fixedly connected with the driving fluted disc 601 through the side walls of the chopping box 10 and the cover plate 2, the rotating shafts of the cutting and crushing knife rolls 603 on the two sides are fixedly connected with the driven fluted disc 602 through the side walls of the chopping box 10 and the cover plate 2, the driving fluted disc 601 is meshed with the driven fluted disc 602, and the driving fluted disc 601 is fixedly connected with the end part of an output shaft of the driving motor 701.

The main belt pulley 702 is driven to rotate by the driving motor 701 on the driving assembly 7, the main belt pulley 702 drives the auxiliary belt pulley 703 to rotate through a transmission belt, so that the auxiliary belt pulley 703 drives the rotating rod 303 to rotate, the rotating rod 303 drives the material holding rod 304 to rotate, the inserted rod 301 and the straw holding rod 304 are matched to recover the straw in the farmland, the straw is transported to the chopping box 10 through the conveyor belt 8, the driving motor 701 simultaneously drives the driving fluted disc 601 to rotate, the driving fluted disc 601 is meshed with the driven fluted disc 602, the driving fluted disc 601 and the driven fluted disc 602 are matched to drive the cutting and crushing knife roller 603 to rotate, and the recovered straw is crushed.

Referring to fig. 1, 3-6 and 8, the stop material assembly 4 comprises a moving plate 401, a connecting plate 402, a first electric telescopic rod 403, a mounting groove 404, an infrared sensor 405 and an unloading baffle 406, wherein the inner wall of one side of the chopping box 10 close to the conveyor belt 8 is fixedly connected with the unloading baffle 406, the bottom end of the unloading baffle 406 is provided with the mounting groove 404, and the infrared sensor 405 is mounted inside the mounting groove 404.

A moving plate 401 is arranged on one side, far away from the blanking baffle 406, of the chopping box 10 in a sliding and penetrating mode, one side, close to each other, of the blanking baffle 406 and one side, close to the moving plate 401, of the chopping box 10 are both arranged in an inclined mode, a connecting plate 402 is fixedly connected to the position, below one end, located outside the chopping box 10, of the moving plate 401, and a first electric telescopic rod 403 is installed between the connecting plate 402 and the side wall of the chopping box 10.

Referring to fig. 5 and 6, the chopping assembly 9 comprises a second electric telescopic rod 901 and a chopping board 902, the second electric telescopic rod 901 is fixedly mounted on both sides of the chopping box 10, the end of the second electric telescopic rod 901 extends to the inside of the chopping box 10 and is fixedly connected with the chopping board 902, the chopping board 902 is connected with the movable plate 401 and the bottom end of the blanking baffle 406 in a sliding manner, the infrared sensor 405 comprises an infrared receiver and an infrared transmitter, a controller is mounted on the side wall of the chopping box 10, the input end of the controller is electrically connected with the infrared receiver, and the output end of the controller is electrically connected with the first electric telescopic rod 403 and the second electric telescopic rod 901.

The straw after smashing falls to pressing and chops the case 10 inside and piles up, pile up to the take the altitude when pressing the inside straw crushing material of chop case 10, when blockking infrared sensor 405's pencil, infrared receiver gives the controller with signal transmission this moment, the controller makes first electric telescopic handle 403 start, and drive connecting plate 402, connecting plate 402 drives movable plate 401 motion, make it be close to and the laminating to unloading baffle 406, block straw crushing material, simultaneous control ware makes second electric telescopic handle 901 start, promote to chop board 902 and be close to each other, carry out the compaction to straw crushing material of movable plate 401 and unloading baffle 406 below and chop the operation.

Example two

Referring to fig. 1, 3-7, 9 and 10, a discharging assembly 5 is disposed between the chopping box 10 and the bottom end of the body 1, the discharging assembly 5 includes a movable plate 501, a first fixed plate 502, a second fixed plate 503, a movable rod 504, a limiting groove 505, a limiting block 506, a first return spring 507, a movable groove 508 and a second return spring 509, the bottom end of the chopping box 10 is slidably connected with the two movable plates 501 symmetrically distributed, the bottom end of the body 1 is fixedly connected with the first fixed plate 502, one side of the chopping box 10 away from the conveyor belt 8 is fixedly connected with the second fixed plate 503 with an L-shaped cross section, one side of the vertical section of the second fixed plate 503 close to the first fixed plate 502 is fixedly connected with the two movable rods 504 symmetrically distributed, one side of the two movable plates 501 away from each other is provided with the two movable grooves 508 symmetrically distributed, and the end of the movable rods 504 extends to the inside of the movable grooves 508, and is fixedly connected with a first return spring 507.

The top end of the movable plate 501 is provided with two symmetrically distributed limiting grooves 505, a limiting block 506 is slidably mounted in the limiting grooves 505, the bottom end of the limiting block 506 is fixedly connected with the inner wall of the limiting groove 505 by a second return spring 509, and one side of the limiting block 506 away from the central position of the chopping box 10 is obliquely arranged.

Straw crushing material after chopping needs to be derived from the inside of chopping box 10, thereby can carry out the continuation straw and retrieve the chopping operation, when chopping board 902 is close to each other, because the setting of stopper 506 inclined plane, so when chopping board 902 and stopper 506 contact, stopper 506 can the downstream, and extrude second reset spring 509, when chopping board 902 crosses stopper 506, second reset spring 509 reversely promotes stopper 506, when chopping board 902 reverse motion, chopping board 902 can drive stopper 506 this moment, stopper 506 drives movable plate 501, and can make first reset spring 507 receive the extrusion through the setting of movable rod 504, two movable plates 501 keep away from each other, make the straw crushing material after chopping derive from the inside of chopping box 10 can.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a chop mechanical equipment for crop straw recovery processing, includes automobile body (1), its characterized in that, the top of automobile body (1) is installed and is U-shaped cover plate (2), and the front end of automobile body (1) is installed and is pulled material subassembly (3), the top of automobile body (1) is close to its afterbody and is installed and chop case (10), the top of automobile body (1) is located to pull and installs conveyer belt (8) between material subassembly (3) and the chop case (10);

a driving component (7) is installed on one side of the cover plate (2), a cutting component (6), a material blocking component (4) and a chopping component (9) are installed on the box body of the chopping box (10), the cutting component (6) is driven by the driving component (7), and the material blocking component (4) is located between the cutting component (6) and the chopping component (9);

a discharging component (5) is arranged between the chopping box (10) and the bottom end of the vehicle body (1).

2. The utility model provides a chop mechanical equipment for crop straw recovery processing, according to claim 1, characterized in that, it includes inserted bar (301), mounting panel (302), dwang (303) and takes material pole (304) to take material subassembly (3), the front end fixedly connected with of automobile body (1) two mounting panel (302) and a plurality of inserted bar (301) that are equidistant distribution along its automobile body (1) width direction that are symmetric distribution, just inserted bar (301) are located the below of mounting panel (302), inserted bar (301) are the downward sloping setting, two rotate between mounting panel (302) and install dwang (303), just fixed mounting has a plurality of structures the same to take material pole (304) on the body of rod of dwang (303).

3. The chopping mechanical equipment for the crop straw recycling and processing is characterized in that, the driving component (7) comprises a driving motor (701), a main belt pulley (702), an auxiliary belt pulley (703) and a mounting seat (704), one side fixed mounting of the cover plate (2) is provided with the mounting seat (704), and the top fixed mounting of the mounting seat (704) is provided with the driving motor (701), the output shaft of the driving motor (701) is fixedly sleeved with the main belt pulley (702), one end of the rotating rod (303) close to the driving component (7) penetrates through the side mounting plate (302), the auxiliary belt pulley (703) is fixedly connected with the rotating rod, and a transmission belt is connected between the main belt pulley (702) and the auxiliary belt pulley (703).

4. The mechanical chopping device for recovering and processing crop straws as claimed in claim 3, it is characterized in that the cutting component (6) comprises a driving fluted disc (601), a driven fluted disc (602) and a cutting and crushing knife roller (603), three cutting and crushing knife rolls (603) with the same structure are rotatably arranged between the inner walls of the two sides of the chopping box (10), and the rotating shaft of the cutting and crushing knife roller (603) in the middle is positioned to run through the side wall fixedly connected with driving fluted disc (601) of the chopping box (10) and the cover plate (2), the rotating shaft of the cutting and crushing knife roller (603) positioned at both sides is positioned to run through the side wall fixedly connected with driven fluted disc (602) of the chopping box (10) and the cover plate (2), and the driving fluted disc (601) is meshed with the driven fluted disc (602), and the end part of the output shaft of the driving motor (701) is fixedly connected with the driving fluted disc (601).

5. The chopping mechanical equipment for the crop straw recycling and processing is characterized in that the material blocking component (4) comprises a moving plate (401), a connecting plate (402), a first electric telescopic rod (403), a mounting groove (404), an infrared sensor (405) and an unloading baffle (406), the chopping box (10) is close to the unloading baffle (406) fixedly connected with the inner wall of one side of the conveying belt (8), the mounting groove (404) is formed in the bottom end of the unloading baffle (406), and the infrared sensor (405) is arranged inside the mounting groove (404).

6. The mechanical chopping equipment for recovering and processing crop straws as claimed in claim 5, characterized in that one side of the chopping box (10) far away from the blanking baffle (406) slides through the movable plate (401), and one side of the blanking baffle (406) and the movable plate (401) close to each other is inclined, the movable plate (401) is fixedly connected with a connecting plate (402) below one end of the chopping box (10) outside, and a first electric telescopic rod (403) is installed between the connecting plate (402) and the side wall of the chopping box (10).

7. The chopping mechanical equipment for recovering and treating crop straws as claimed in claim 6, characterized in that the chopping component (9) comprises a second electric telescopic rod (901) and a chopping board (902), the second electric telescopic rod (901) is fixedly mounted on both sides of the chopping box (10), the end of the second electric telescopic rod (901) extends to the chopping box (10), the chopping board (902) is fixedly connected to the inside of the chopping box (10), and the chopping board (902) is connected with the movable board (401) and the blanking baffle (406) in a sliding manner in a manner of fitting to the bottom end.

8. The mechanical chopping device for recovering and processing crop straws as claimed in claim 7, wherein the infrared sensor (405) comprises an infrared receiver and an infrared transmitter, the side wall of the chopping box (10) is provided with a controller, the input end of the controller is electrically connected with the infrared receiver, and the output end of the controller is electrically connected with the first electric telescopic rod (403) and the second electric telescopic rod (901).

9. The mechanical chopping equipment for recovering and treating crop straws as claimed in claim 1, wherein the discharging assembly (5) comprises a movable plate (501), a first fixed plate (502), a second fixed plate (503), a movable rod (504), a limit groove (505), a limit block (506), a first return spring (507), a movable groove (508) and a second return spring (509), the bottom end of the chopping box (10) is slidably connected with the two movable plates (501) which are symmetrically distributed, the bottom end of the trolley body (1) is fixedly connected with the first fixed plate (502), one side of the chopping box (10) far away from the conveyor belt (8) is fixedly connected with the second fixed plate (503) which is L-shaped in cross section, and one side of the vertical section of the second fixed plate (503) close to the first fixed plate (502) is fixedly connected with the two movable rods (504) which are symmetrically distributed, two activity groove (508) that are the symmetric distribution are all seted up to one side that the fly leaf (501) kept away from each other, just the tip of movable rod (504) extends to the inside in activity groove (508), and the first reset spring (507) of fixedly connected with.

10. The mechanical chopping equipment for recovering and processing crop straws as claimed in claim 9, wherein two symmetrically distributed limiting grooves (505) are formed in the top end of the movable plate (501), a limiting block (506) is slidably mounted in the limiting grooves (505), a second reset spring (509) is fixedly connected to the bottom end of the limiting block (506) and the inner wall of the limiting grooves (505), and the limiting block (506) is arranged in a manner of being inclined away from one side of the central position of the chopping box (10).