CN213880989U

CN213880989U - Cutting machine that agricultural machine engineering was used

Info

Publication number: CN213880989U
Application number: CN202022840803.1U
Authority: CN
Inventors: 王瑞荣; 李元忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-08-06
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses a cutting machine that agricultural machine engineering used, be the cutting case that the opening set up including the top, the top fixed mounting of cutting case has the apron, and the cutting incasement is equipped with the inlet pipe, and the top of inlet pipe extends to the top of apron, rotate between the both sides inner wall of cutting case and install the commentaries on classics roller, the outside fixed mounting who changes the roller has a plurality of cutting knives, and the right side top fixed mounting of cutting case has driving motor. The utility model relates to a rationally, be convenient for extract the dust and the piece that produce at the in-process of cutting, reduce the pollution of environment, through the mode of filtering the extraction dust, can avoid large granule dust or piece to block up the risk of air exhauster, and be convenient for continuously collide the filter screen, the slope of cooperation second dust screen sets up the mode, can effectively be stained with the dust granule that attaches and the piece shakes downwards with the filter screen left side, reduce the risk of jam, guarantee to stabilize the filtration operation, satisfy the user demand.

Description

Cutting machine that agricultural machine engineering was used

Technical Field

The utility model relates to a cutting machine technical field especially relates to a cutting machine that agricultural machine engineering used.

Background

Agricultural machinery refers to various machines used in the production process of crop planting industry and animal husbandry, and the primary processing and treatment process of agricultural and livestock products, belongs to the category of agricultural machinery, and mainly comprises: agricultural power machinery, farmland construction machinery, soil farming machinery, planting and fertilizing machinery, plant protection machinery, farmland drainage and irrigation machinery, crop harvesting machinery, agricultural product processing machinery, animal husbandry machinery, agricultural transportation machinery and the like, in order to respond to national energy conservation and emission reduction policies, straw crops need to be recovered after being harvested, but the length of the straw is not beneficial to recovery, a cutting machine needs to be used for cutting the straw, and then the cut straw is collected and reprocessed.

The cutting machine that current agricultural machine engineering used, it has the shortcoming that is not convenient for collect the piece dust granule that produces in the cutting process, it flies upward to cause the piece dust easily at the in-process of cutting, cause the pollution of environment, although there is the part can set up the dust absorption pump in discharge gate department and be used for the clastic extraction of dust, it is not convenient for in time filter the collection to the dust piece of extraction, in the process of extraction, cause great dust or piece to enter into the dust absorption pump easily, cause the jam of dust absorption pump, reduce life, can not satisfy the user demand, synthesize above-mentioned condition and improve, therefore we have proposed a cutting machine that agricultural machine engineering used and have been used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a cutting machine for agricultural mechanical engineering.

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

a cutting machine for agricultural mechanical engineering comprises a cutting box with an opening at the top, a cover plate is fixedly mounted at the top of the cutting box, a feeding pipe is arranged in the cutting box, the top end of the feeding pipe extends to the upper part of the cover plate, a rotating roller is rotatably mounted between the inner walls of the two sides of the cutting box, a plurality of cutting knives are fixedly mounted on the outer side of the rotating roller, a driving motor is fixedly mounted at the top of the right side of the cutting box, the left end of an output shaft of the driving motor is fixedly mounted with the right end of the rotating roller, the inner wall of the bottom of the cutting box is of a conical structure, a material receiving groove communicated with the cutting box is formed in the left side of the cutting box, a triangular material guide plate is fixedly mounted on the inner wall of the bottom of the material receiving groove, the top of the triangular material guide plate is an inclined plane, a stop gate matched with the material receiving groove is rotatably mounted at the bottom of the left side of the cutting box, stop gate threads are fastened at the left side of the cutting box, and a material stop plate which is obliquely arranged between the top of the triangular material receiving groove is fixedly mounted, the left side of the material baffle plate is provided with a plurality of vent holes, the right inner wall of the material receiving groove is provided with an air inlet hole, the bottom of the right side of the cutting box is fixedly provided with a clip frame communicated with the air inlet hole, the bottom inner wall of the bottom of the clip frame is magnetically attracted and inserted with a rectangular box, the left side and the top of the rectangular box are both provided with openings, the top of the rectangular box extends to the upper part of the clip frame and is fixedly provided with a mounting plate, the mounting plate is fastened at the top of the clip frame in a threaded manner, a filter screen which is obliquely arranged is fixedly arranged between the bottom of the mounting plate and the bottom inner wall of the rectangular box, the right side of the filter screen is in movable contact with a collision ball, the top of the collision ball is fixedly provided with an L-shaped movable rod, the top of the L-shaped movable rod extends to the upper part of the mounting plate, the L-shaped movable rod is fixedly sleeved with a fixed block positioned in the rectangular box, and provided with a movable block fixedly arranged on the right inner wall of the rectangular box in a sliding sleeve, the fixed mounting has the spring between the bottom of movable block and the top of fixed block, the spring movable sleeve is established on L shape carriage release lever, the top fixed mounting of mounting panel has the small-size motor, the output shaft left end fixed mounting of small-size motor has the eccentric wheel, it is equipped with the ball to inlay on the top inner wall of L shape carriage release lever, the top rolling contact of ball and eccentric wheel, the right side movable contact of rectangle box has the wind-collecting cover, fixed mounting has the air exhauster on the top inner wall of circle shape frame, the air inlet end of air exhauster communicates and fixes with the right side of wind-collecting cover, first through-hole has been seted up on the right side inner wall of rectangle box, first through-hole is linked together with the wind-collecting cover.

Preferably, the rotating groove has been seted up on the left side inner wall of cutting case, has seted up on the right side inner wall of cutting case and has rotated the hole, rotates the groove and rotates downthehole equal fixed cover and be equipped with the bearing, and the inner circle internal fixation cover of two bearings is equipped with same pivot, and the circular port has been seted up to the right-hand member of commentaries on classics roller, the outside fixed connection of the inner wall of circular port and pivot, driving motor's output shaft left end and the right-hand member fixed connection of pivot.

Preferably, a first thread groove is formed in the left side of the cutting box, a T-shaped quick fixing bolt is sleeved in the first thread groove in a threaded manner, a stop door is sleeved on the T-shaped quick fixing bolt in a threaded manner, and a U-shaped handle is fixedly mounted on the left side of the stop door.

Preferably, an L-shaped handle is fixedly mounted on one side of the top of the mounting plate, a clamping block is fixedly mounted at the bottom of the mounting plate, a first clamping groove is formed in the top of the clip-shaped frame and clamped with the clamping block, a second threaded groove is formed in the top of the clip-shaped frame, a T-shaped fastening bolt is sleeved in the second threaded groove in a threaded manner, and the mounting plate is sleeved on the T-shaped fastening bolt in a threaded manner.

Preferably, the top of the mounting plate is provided with a rectangular hole, and the inner wall of the rectangular hole is in sliding connection with the outer side of the L-shaped movable rod.

Preferably, set up the rectangle perforation that the left side set up for the opening on the top inner wall of returning the shape frame, the fenestrate inner wall of rectangle and the outside movable contact of rectangle box have seted up the second draw-in groove on the bottom inner wall of returning the shape frame, and the bottom fixed mounting of rectangle box has the iron plate, and fixed mounting has magnet on the bottom inner wall of second draw-in groove, and the bottom of iron plate extends to in the second draw-in groove and adsorbs mutually with the top of magnet.

Compared with the prior art, the beneficial effects of the utility model are that:

by matching a cutting box, a rotating roller, a driving motor, a feeding pipe, a material receiving groove, a material baffle plate, an air inlet hole, a square frame, a rectangular box, a mounting plate, a filter screen, a wind collecting cover, an exhaust fan, a collision ball, an L-shaped moving rod, a small motor, an eccentric wheel, a fixed block, a spring and a moving block with a first through hole, when cutting operation is carried out, the driving motor is started to drive the rotating roller to rotate through a rotating shaft, the rotating roller drives a plurality of cutting knives to rotate, the straws are fed into the feeding pipe and slowly move downwards, the plurality of cutting knives in rotation cut the downwards moved straws, the cut straws fall into the material receiving groove, the exhaust fan is started simultaneously, the exhaust fan sequentially passes through an air inlet end, the wind collecting cover, the first through hole and the air inlet hole to extract the gas in the material receiving groove, the extracted gas sequentially passes through the air vent hole, the air inlet hole, the filter screen, the first through hole and the wind collecting cover, and is discharged to the outside through the air outlet end of the exhaust fan, in the extraction process, dust particles and debris move along with the extracted gas, the filter screen filters the dust entering the gas, the filtered dust and debris are shielded at the left side of the filter screen, simultaneously, the small motor is started to drive the eccentric wheel to rotate the first half circle and extrude the balls, the extrusion force drives the L-shaped moving rod to move upwards through the balls, the L-shaped moving rod drives the collision ball to separate from the filter screen upwards, the L-shaped moving rod drives the fixed block to compress the spring upwards while moving upwards, the extrusion force to the balls is released when the eccentric wheel rotates the second half circle, at the moment, the elasticity of the spring in a compression state drives the L-shaped moving rod to move downwards through the fixed block, the L-shaped moving rod drives the collision ball to collide with the right side of the filter screen downwards, the eccentric wheel rotates continuously, and the collision ball circularly impacts the filter screen, the vibrating force of the impact is matched with the inclined arrangement of the filter screen, so that dust or fragment particles attached to the left side of the filter screen are vibrated to fall into the rectangular box, and the purpose of automatically circulating and vibrating the dust and the fragments is achieved.

The utility model relates to a rationally, be convenient for extract the dust and the piece that produce at the in-process of cutting, reduce the pollution of environment, through the mode of filtering the extraction dust, can avoid large granule dust or piece to block up the risk of air exhauster, and be convenient for continuously collide the filter screen, the slope of cooperation second dust screen sets up the mode, can effectively be stained with the dust granule that attaches and the piece shakes downwards with the filter screen left side, reduce the risk of jam, guarantee to stabilize the filtration operation, satisfy the user demand.

Drawings

Fig. 1 is a schematic structural view of a cutting machine for agricultural mechanical engineering according to the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 100 cutting boxes, 101 rotating rollers, 102 driving motors, 103 feeding pipes, 1 material receiving groove, 2 material blocking plates, 3 air inlet holes, 4-shaped frames, 5 rectangular boxes, 6 mounting plates, 7 filter screens, 8 air collecting covers, 9 exhaust fans, 10 collision balls, 11L-shaped moving rods, 12 small motors, 13 eccentric wheels, 14 fixing blocks, 15 springs, 16 first through holes and 17 moving blocks.

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, a cutting machine for agricultural mechanical engineering, comprising a cutting box 100 with an opening at the top, a cover plate fixedly mounted at the top of the cutting box 100, a feeding pipe 103 arranged in the cutting box 100, a rotating roller 101 rotatably mounted between the top ends of the feeding pipe 103 and the cover plate, a plurality of cutting knives fixedly mounted at the outer side of the rotating roller 101, a driving motor 102 fixedly mounted at the top of the right side of the cutting box 100, a left end of an output shaft of the driving motor 102 and a right end of the rotating roller 101, a conical structure arranged at the bottom inner wall of the cutting box 100, a receiving groove 1 communicated with the cutting box 100 arranged at the left side of the cutting box 100, a triangular material guide plate fixedly mounted on the bottom inner wall of the receiving groove 1, an inclined plane arranged at the top of the triangular material guide plate, and a blocking door matched with the receiving groove 1 rotatably mounted at the bottom of the left side of the cutting box 100, the baffle door is fastened on the left side of the cutting box 100 in a threaded manner, a baffle plate 2 which is obliquely arranged is fixedly arranged between the top of the triangular baffle plate and the inner wall of the top of the material receiving groove 1, a plurality of vent holes are formed in the left side of the baffle plate 2, an air inlet hole 3 is formed in the inner wall of the right side of the material receiving groove 1, a clip-shaped frame 4 communicated with the air inlet hole 3 is fixedly arranged at the bottom of the right side of the cutting box 100, a rectangular box 5 is magnetically inserted into the inner wall of the bottom of the clip-shaped frame 4, openings are formed in the left side and the top of the rectangular box 5, the top of the rectangular box 5 extends to the upper side of the clip-shaped frame 4 and is fixedly provided with a mounting plate 6, the mounting plate 6 is fastened on the top of the clip-shaped frame 4 in a threaded manner, a filter screen 7 which is obliquely arranged is fixedly arranged between the bottom of the mounting plate 6 and the inner wall of the bottom of the rectangular box 5, a collision ball 10 is movably contacted with the right side of the filter screen 7, and an L-shaped moving rod 11 is fixedly arranged at the top of the collision ball 10, the top of an L-shaped moving rod 11 extends to the upper part of a mounting plate 6, a fixed block 14 positioned in a rectangular box 5 is fixedly sleeved on the L-shaped moving rod 11, a moving block 17 fixedly installed on the inner wall of the right side of the rectangular box 5 is slidably sleeved on the L-shaped moving rod 11, a spring 15 is fixedly installed between the bottom of the moving block 17 and the top of the fixed block 14, the spring 15 is movably sleeved on the L-shaped moving rod 11, a small motor 12 is fixedly installed at the top of the mounting plate 6, an eccentric wheel 13 is fixedly installed at the left end of an output shaft of the small motor 12, balls are embedded on the inner wall of the top of the L-shaped moving rod 11, the balls are in rolling contact with the top of the eccentric wheel 13, a wind collecting cover 8 is movably contacted at the right side of the rectangular box 5, an exhaust fan 9 is fixedly installed on the inner wall of the top of a square frame 4, the air inlet end of the exhaust fan 9 is communicated and fixed with the right side of the wind collecting cover 8, a first through hole 16 is formed on the inner wall of the right side of the rectangular box 5, first through-hole 16 is linked together with air-collecting cover 8, the utility model relates to a rationally, be convenient for extract the dust and the piece that produce at the in-process of cutting, reduce the pollution of environment, through the mode of filtering the extraction dust, can avoid large granule dust or piece to block up the risk of air exhauster 9, and be convenient for continuously collide filter screen 7, the slope of cooperation second dust screen 5 sets up the mode, can be effectively be stained with attached dust granule and piece with filter screen 7 left side and shake down, reduce the risk of jam, guarantee to stabilize the filtration operation, satisfy the user demand.

In the utility model, a rotating groove is arranged on the inner wall of the left side of a cutting box 100, a rotating hole is arranged on the inner wall of the right side of the cutting box 100, bearings are fixedly sleeved in the rotating groove and the rotating hole, the inner rings of the two bearings are fixedly sleeved with a same rotating shaft, a circular hole is arranged at the right end of a rotating roller 101, the inner wall of the circular hole is fixedly connected with the outer side of the rotating shaft, the left end of the output shaft of a driving motor 102 is fixedly connected with the right end of the rotating shaft, a first thread groove is arranged on the left side of the cutting box 100, a T-shaped quick-fixing bolt is sleeved in the first thread groove, a stop door thread sleeve is arranged on the T-shaped quick-fixing bolt, a U-shaped handle is fixedly arranged at the left side of the stop door, an L-shaped handle is fixedly arranged at one side of the top of a mounting plate 6, a clamping block is fixedly arranged at the bottom of the mounting plate 6, a first clamping groove is arranged at the top of a clip frame 4, the first clamping block is clamped with a second thread groove arranged at the top of the clip frame 4, the utility model relates to a rationally designed, which is convenient for extracting the generated dust and debris in the cutting process, reducing the environmental pollution, avoiding the risk of blocking the exhaust fan 9 by large-particle dust or debris by filtering the dust extraction mode, and be convenient for continuously collide filter screen 7, the slope of cooperation second dust screen 5 sets up the mode, can effectively shake down the dust granule that attaches and piece downwards with filter screen 7 left side is stained with, reduces the risk of jam, guarantees to stabilize the filtration operation, satisfies the user demand.

The working principle is as follows: when the cutting machine is used, the driving motor 102 is started when cutting operation is carried out, the output shaft of the driving motor 102 drives the rotating shaft to rotate, the rotating shaft drives the rotating roller 101 to rotate, the rotating roller 101 drives the plurality of cutting knives to rotate, the straws are sent into the feeding pipe 103, the straws are slowly moved downwards, the plurality of cutting knives in rotation cut the downwards moved straws, the cut straws fall into the receiving groove 1, a large amount of dust and scraps can be generated in the cutting process, the exhaust fan 9 is started simultaneously, the exhaust fan 9 sequentially passes through the air inlet end, the air collecting cover 8, the first through hole 16 and the air inlet hole 3 to extract air in the receiving groove 1, the extracted air sequentially passes through the air vent and the air inlet hole 3 on the baffle plate 2 to enter the rectangular box 5, meanwhile, the air passes through the filter screen 7 and the first through hole 16 to enter the air collecting cover 8, and the air is discharged to the outside through the air outlet end of the exhaust fan 9, in the extraction process, dust particles and debris move along with the extracted gas, the filter screen 7 filters dust entering the gas, and the filtered dust and debris are shielded on the left side of the filter screen 7, so that the generated dust and debris are conveniently extracted in the cutting process, and the blocking risk of the exhaust fan 9 caused by the fact that large particle dust or debris enters the exhaust fan 9 can be avoided in the manner of filtering and extracting the dust;

the filter screen 7 is used for a long time, a large amount of dust particles or debris are easily adhered to the left side of the filter screen 7 statically and accumulated, the small motor 12 is started, the output shaft of the small motor 12 drives the eccentric wheel 13 to rotate, the eccentric wheel 13 extrudes the balls when rotating the front half circle, the extrusion force drives the balls to move upwards, the balls drive the L-shaped moving rod 11 to move upwards, the L-shaped moving rod 11 drives the collision ball 10 to move upwards and separate from the filter screen 7, the L-shaped moving rod 11 moves upwards and drives the fixed block 14 to move upwards, the fixed block 14 moves upwards and compresses the spring 15, the extrusion force on the balls is released when the eccentric wheel 13 rotates the rear half circle, at the moment, the elastic force of the spring 15 in a compression state drives the L-shaped moving rod 11 to move downwards through the fixed block 14, and the L-shaped moving rod 11 drives the collision ball 10 to collide with the right side of the filter screen 7 downwards, make filter screen 7 produce vibrations, eccentric wheel 13 lasts the rotation, under eccentric wheel 13's effect, make collision ball 10 circulation strike filter screen 7, at the vibrations power of striking, the slope setting of cooperation filter screen 7, make the left side of filter screen 7 be stained with the dust that attaches or piece granule shake fall to rectangle box 5 in, and then reach automatic cycle shake dust and clastic purpose, alleviate and be stained with and attach blocking phenomenon, can effectively reduce the workman and dismantle the frequency of clearance.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

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. The utility model provides a cutting machine that agricultural machine engineering used, includes that the top is cutting case (100) that the opening set up, the top fixed mounting of cutting case (100) has the apron, is equipped with inlet pipe (103) in cutting case (100), and the top of inlet pipe (103) extends to the top of apron, its characterized in that, rotate between the both sides inner wall of cutting case (100) and install roller (101), and the outside fixed mounting of roller (101) has a plurality of cutting knives, and the right side top fixed mounting of cutting case (100) has driving motor (102), and the output shaft left end of driving motor (102) and the right-hand member fixed mounting of roller (101), and the bottom inner wall of cutting case (100) is established to the toper structure, and the left side of cutting case (100) is seted up and is linked together with cutting case (100) connects silo (1), connects on the bottom inner wall of silo (1) fixed mounting have the triangle stock guide, the top of the triangular guide plate is arranged to be an inclined plane, a stop door matched with the material receiving groove (1) is rotatably arranged at the bottom of the left side of the cutting box (100), stop door threads are fastened at the left side of the cutting box (100), a material blocking plate (2) which is obliquely arranged is fixedly arranged between the top of the triangular guide plate and the inner wall of the top of the material receiving groove (1), a plurality of vent holes are formed in the left side of the material blocking plate (2), an air inlet hole (3) is formed in the inner wall of the right side of the material receiving groove (1), a rectangular box (5) is arranged on the bottom inner wall of the right side of the cutting box (100) in a magnetic suction and insertion mode and is arranged at the bottom of the rectangular box (4), the left side and the top of the rectangular box (5) are both arranged to be an opening, a mounting plate (6) is fixedly arranged above the rectangular box (5), and the mounting plate (6) is fastened at the top of the rectangular box (4) in a threaded mode, a filter screen (7) which is obliquely arranged is fixedly installed between the bottom of the mounting plate (6) and the inner wall of the bottom of the rectangular box (5), a collision ball (10) is movably contacted on the right side of the filter screen (7), an L-shaped moving rod (11) is fixedly installed at the top of the collision ball (10), the top of the L-shaped moving rod (11) extends to the upper part of the mounting plate (6), a fixed block (14) which is positioned in the rectangular box (5) is fixedly sleeved on the L-shaped moving rod (11), a moving block (17) which is fixedly installed on the inner wall of the right side of the rectangular box (5) is slidably sleeved on the L-shaped moving rod (11), a spring (15) is fixedly installed between the bottom of the moving block (17) and the top of the fixed block (14), the spring (15) is movably sleeved on the L-shaped moving rod (11), a small motor (12) is fixedly installed at the top of the mounting plate (6), an eccentric wheel (13) is fixedly installed at the left end of an output shaft of the small motor (12), the ball is embedded on the inner wall of the top of the L-shaped moving rod (11), the ball is in rolling contact with the top of the eccentric wheel (13), the wind collecting cover (8) is movably contacted on the right side of the rectangular box (5), the air exhauster (9) is fixedly mounted on the inner wall of the top of the square frame (4), the air inlet end of the air exhauster (9) is communicated and fixed with the right side of the wind collecting cover (8), a first through hole (16) is formed in the inner wall of the right side of the rectangular box (5), and the first through hole (16) is communicated with the wind collecting cover (8).

2. The cutting machine for agricultural machinery engineering according to claim 1, wherein a rotating groove is formed on the inner wall of the left side of the cutting box (100), a rotating hole is formed on the inner wall of the right side of the cutting box (100), bearings are fixedly sleeved in the rotating groove and the rotating hole, the same rotating shaft is fixedly sleeved in the inner rings of the two bearings, a circular hole is formed in the right end of the rotating roller (101), the inner wall of the circular hole is fixedly connected with the outer side of the rotating shaft, and the left end of the output shaft of the driving motor (102) is fixedly connected with the right end of the rotating shaft.

3. The cutting machine for agricultural mechanical engineering according to claim 1, wherein a first thread groove is formed in the left side of the cutting box (100), a T-shaped quick-fixing bolt is sleeved with a thread in the first thread groove, a stop door is sleeved on the T-shaped quick-fixing bolt in a sleeved mode, and a U-shaped handle is fixedly installed on the left side of the stop door.

4. The cutting machine for the agricultural mechanical engineering, according to claim 1, is characterized in that an L-shaped handle is fixedly installed on one side of the top of the installation plate (6), a clamping block is fixedly installed at the bottom of the installation plate (6), a first clamping groove is formed in the top of the clip-shaped frame (4) and clamped with the clamping block, a second threaded groove is formed in the top of the clip-shaped frame (4), a T-shaped fastening bolt is sleeved in the second threaded groove in a threaded manner, and the installation plate (6) is sleeved on the T-shaped fastening bolt in a threaded manner.

5. The cutting machine for agricultural mechanical engineering according to claim 1, wherein a rectangular hole is formed in the top of the mounting plate (6), and the inner wall of the rectangular hole is slidably connected with the outer side of the L-shaped movable rod (11).

6. The cutting machine for the agricultural mechanical engineering according to claim 1, wherein a rectangular through hole with the left side being provided for opening is formed in the inner wall of the top of the rectangular frame (4), the inner wall of the rectangular through hole is movably contacted with the outer side of the rectangular box (5), a second clamping groove is formed in the inner wall of the bottom of the rectangular frame (4), an iron block is fixedly installed at the bottom of the rectangular box (5), a magnet is fixedly installed on the inner wall of the bottom of the second clamping groove, and the bottom of the iron block extends into the second clamping groove and is adsorbed to the top of the magnet.