CN112243711B

CN112243711B - Multifunctional plant straw briquetting machine

Info

Publication number: CN112243711B
Application number: CN202011014849.6A
Authority: CN
Inventors: 曹方芹; 邢明
Original assignee: Heilongjiang Guiguo Biomass Technology Development Co ltd
Current assignee: Heilongjiang Guiguo Biomass Technology Development Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2022-06-28
Anticipated expiration: 2040-09-24
Also published as: CN112243711A

Abstract

The invention provides a multifunctional plant straw briquetting machine, which comprises a briquetting box, wherein a crushing box is fixedly arranged at the lower end of the outer surface of one side of the briquetting box, a discharge bin is arranged at the lower end of the outer surface of the front end of the briquetting box, a discharge outlet is formed in the outer surface of the front end of the discharge bin, first cylinders are respectively arranged at the front end and the rear end of the outer surface of the upper end of the briquetting box, a control box is arranged at the middle position of the outer surface of the front end of the crushing box, supporting legs are fixedly arranged at the front end and the rear end of the outer surface of one side of the crushing box, and a first motor is movably arranged at the middle position of the outer surface of one side of the crushing box. The exposed straws are relatively fixed, so that the situation that the straws swing to accidentally injure operators is avoided.

Description

Multifunctional plant straw briquetting machine

Technical Field

The invention relates to the technical field of straw briquetting, in particular to a multifunctional plant straw briquetting machine.

Background

The straws are a general term of stems and leaves of mature crops, generally refer to residues and parts of wheat, rice, corn, potatoes, rape, cotton, sugarcane and other crops after harvesting seeds, and are rich in nitrogen, phosphorus, potassium, calcium, magnesium, organic matters and the like, so that the straws are multipurpose renewable biological resources and can be used as fuels, feeds and the like, but the straws are inconvenient to transport and store due to large volume and light weight, and need to be briquetted, but the existing plant straw briquetting machine has certain defects: 1. the existing block press machine has a block pressing function, straws need to be crushed before being pressed into blocks, meanwhile, the straws need to be dried to ensure block pressing forming, the straw blocks need to be packed after being pressed into blocks, and a series of processes need to be completed on a plurality of devices, so that time and labor are wasted; 2. when the straw is pressed into blocks, one surface of the straw close to the discharging bin cannot be extruded, so that the situation of irregularity can occur, and the pressed blocks are easy to loosen; 3. when the straws of corn, sugarcane and the like are added, the straws are longer and cannot be added into the crushing box at one time, so that when the inserted end of the crushed straws of the crushing box is crushed, the exposed end of the straws is driven to swing, and operators are easily injured by mistake.

Disclosure of Invention

The invention aims to provide a multifunctional plant straw briquetting machine which can crush, dry, briquetting and pack straws, integrates multiple functions, improves straw briquetting efficiency, can cut flat burr surfaces of the briquetted straw blocks, prevents the straw blocks from loosening, relatively fixes the exposed straws during feeding, and avoids accidental injury to operators due to swinging of the straws.

The invention provides a multifunctional plant straw briquetting machine, which comprises a briquetting box, wherein a crushing box is fixedly arranged at the lower end of the outer surface of one side of the briquetting box, a discharge bin is arranged at the lower end of the outer surface of the front end of the briquetting box, a discharge outlet is formed in the outer surface of the front end of the discharge bin, first air cylinders are respectively arranged at the front end and the rear end of the outer surface of the upper end of the briquetting box, a control box is arranged at the middle position of the outer surface of the front end of the crushing box, supporting legs are respectively and fixedly arranged at the front end and the rear end of one side of the outer surface of the lower end of the crushing box, a first motor is movably arranged at the middle position of the outer surface of one side of the crushing box, a feeding bin is arranged at one side of the outer surface of the upper end of the crushing box, a second air cylinder is movably arranged at the middle position of one side of the outer surface of the feeding bin, which is close to the briquetting box, a crushing roller is movably arranged at a position corresponding to the first motor between the inner surfaces of two sides of the crushing box, and heating rollers are movably arranged at the front end and the rear end of the inner surfaces of the two sides of the crushing box, the outer surface of the heating roller is provided with a cutting edge, the cutting edge is meshed with a roller cutter on the outer surface of the crushing roller, the upper end inside the pressing block box is movably provided with a pressing plate, the pressing plate is movably connected with a first air cylinder, the lower end inside the pressing block box is provided with a pressing cavity, and the lower end of the outer surface of the rear end of the pressing block box is provided with a fourth air cylinder;

Straw is put into a crushing box through a feeding bin for crushing, the straw is added into the crushing box and then is driven to rotate by a first motor, the crushing roller is meshed with blades on heating rollers at the front end and the rear end inside the crushing box, so that the crushing roller and the heating rollers rotate relatively, the straw is crushed by the blades, the crushed straw is heated and dried by the heating rollers, the straw is contacted with the heating rollers through the meshing parts of the blades and the crushing roller during crushing and after crushing, the straw is heated uniformly, the straw can be dried more rapidly, the crushed and dried straw enters a pressing box and falls into a pressing cavity, then a first air cylinder pushes a pressing plate to move downwards, the pressing plate is used for pressing and shaping the straw, the straw is formed into a block shape, and after pressing is completed, the first air cylinder drives the pressing plate to move upwards, and push the straw piece out of the feed bin from pressing intracavity portion through the fourth cylinder, discharge by the discharge gate, here before, can realize cup jointing packing area outside going out of the feed bin, and make the bag end in packing area coincide with the discharge gate, when the straw piece is discharged by the discharge gate, directly get into packing area inside and pack, need not to pack alone, and the work efficiency is improved, can avoid packing the scattering that the in-process caused the straw piece simultaneously, this briquetting machine smashes the straw, and is dried, briquetting and packing, multiple functions integration, straw briquetting efficiency is improved.

Preferably, the upper end of the inner surface of the front end of the briquetting box is provided with a third cylinder, the lower end of the third cylinder is fixedly provided with a baffle, and the lower end of the outer surface of the rear end of the baffle is provided with a cutting knife.

The straw of smashing the stoving gets into to briquetting incasement portion, and fall into and press the chamber, before this, promote the baffle through the third cylinder and move down, make the baffle carry out the closure to a feed bin, the straw piece is discharged from a feed bin when avoiding the briquetting, then promote the clamp plate through first cylinder and move down, it is moulding to utilize the clamp plate to compress tightly the straw, make the straw form blocky, the back is accomplished to the briquetting, the third cylinder drives the baffle once more and shifts up, when the baffle shifts up, utilize the cutting knife to cut level the straw piece near the one side of feed bin, avoid straw piece surface to lead to dispersing easily because of the discrepancy.

Preferably, a groove is formed between the cutting knife and the baffle, and the outer surface of the upper end of the groove is an inclined surface.

The straw piece that the cutting knife cut falls into the recess, along with shifting up of baffle, the recess rises to and smashes the same height of case, and the inside straw piece of recess passes through the inclined plane landing of recess to smashing the case this moment, uses as next briquetting, avoids causing the straw extravagant.

Preferably, the feeding bin is close to one side internal surface intermediate position movable mounting of briquetting case has the positioning seat, and swing joint between positioning seat and the second cylinder, the mounting groove has been seted up to one side surface of positioning seat, and one side movable mounting of inside of mounting groove has the pivot, the equal fixed mounting of surface all around of pivot has the locating plate, front end surface one side movable mounting of positioning seat has the second motor.

Put into the inside of smashing the case with the straw through the feeding storehouse and smash, to the maize, longer straw such as sugarcane, can't once only add and smash the case, lead to smashing the case when smashing straw male one end, it swings to drive the exposed one end outside of straw, the operating personnel is hindered to easy mistake, utilize the second cylinder to promote the positioning seat this moment, make locating plate on the positioning seat be close to the straw, and the inner wall of cooperation feeding storehouse is with the straw centre gripping, thereby prevent the exposed one end swing of straw, the second motor drives the pivot rotation simultaneously, the locating plate is followed the pivot and is rotated, a plurality of locating plate circulative rotation, press from both sides tight pay-off to the straw.

Preferably, the second motor is rotatably connected with the rotating shaft, and the length of the positioning plate is smaller than that of the mounting groove.

The second motor drives the pivot and rotates, and the locating plate follows the pivot and rotates, and a plurality of locating plates rotate in circulation, press from both sides tight pay-off to the straw, and the length of locating plate is less than the length of mounting groove, ensures that the positioning seat can not cause the conflict to the rotation of locating plate.

Preferably, two sides of the heating roller are connected with the inner wall of the crushing box through a roller shaft, and the heating roller can rotate relative to the crushing box through the roller shaft.

Utilize first motor to drive and smash the roller and rotate, because smash the roller and smash the cutting edge meshing on the warming mill at both ends around the incasement portion, thereby make and smash roller and warming mill formation relative rotation, and utilize the cutting edge to smash the straw, utilize the warming mill to heat the stoving to the straw after smashing simultaneously, the straw is when smashing and after smashing all can be through cutting edge and the meshing department and the warming mill contact of smashing the roller, thereby make the straw be heated evenly, can be more quick dry the straw.

Advantageous effects

1. Straw is put into a crushing box through a feeding bin for crushing, the straw is added into the crushing box, and then is driven to rotate by a first motor, the crushing roller is meshed with cutting edges on heating rollers at the front end and the rear end inside the crushing box, so that the crushing roller and the heating rollers form relative rotation, the straw is crushed by the cutting edges, the crushed straw is heated and dried by the heating rollers, the crushed straw is contacted with the heating rollers through the meshing parts of the cutting edges and the crushing roller during crushing and after crushing, the straw is heated uniformly, the straw can be dried more rapidly, the crushed and dried straw enters into a pressing block box and falls into a pressing cavity, then a pressing plate is pushed to move downwards by a first cylinder, the pressing plate is used for pressing and shaping the straw, the straw is formed into a block shape, and after pressing is completed, the first cylinder drives the pressing plate to move upwards, the straw blocks are pushed into the discharge bin from the inside of the pressing cavity through the fourth cylinder and are discharged from the discharge port, and before the straw blocks are discharged, the packaging belt can be sleeved outside the discharge bin, the bag bottom of the packaging belt is overlapped with the discharge port, and the straw blocks directly enter the packaging belt to be packaged when being discharged from the discharge port, so that independent packaging is not needed, the working efficiency is improved, meanwhile, the straw blocks can be prevented from being scattered in the packaging process, the briquetting machine is used for crushing, drying, briquetting and packaging the straws, and multiple functions are integrated, so that the straw briquetting efficiency is improved;

2. The crushed and dried straws enter the briquetting box and fall into the pressing cavity, before the crushing and drying, the baffle is pushed by the third cylinder to move downwards, so that the baffle closes the discharging bin, straw scraps are prevented from being discharged from the discharging bin during briquetting, then the first cylinder pushes the pressing plate to move downwards, the pressing plate is used for pressing and shaping the straws to enable the straws to form blocks, after the pressing block is finished, the third cylinder drives the baffle plate to move upwards again, when the baffle plate moves upwards, the cutting knife is used for cutting the surface of the straw block close to the discharging bin to be flat, so that the straw block surface is prevented from being easily scattered due to irregularity, the straw scraps cut by the cutting knife fall into the groove, along with the upward movement of the baffle plate, the groove rises to the same height as the crushing box, and at the moment, straw scraps in the groove slide into the crushing box through the inclined surface of the groove and are used as next briquetting, so that straw waste is avoided;

3. put into the inside of smashing the case with the straw through the feeding storehouse and smash, to the maize, longer straw such as sugarcane, can't once only add and smash the case, lead to smashing the case when smashing straw male one end, it swings to drive the exposed one end outside of straw, the operating personnel is hindered to easy mistake, utilize the second cylinder to promote the positioning seat this moment, make locating plate on the positioning seat be close to the straw, and the inner wall of cooperation feeding storehouse is with the straw centre gripping, thereby prevent the exposed one end swing of straw, the second motor drives the pivot rotation simultaneously, the locating plate is followed the pivot and is rotated, a plurality of locating plate circulative rotation, press from both sides tight pay-off to the straw.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

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

FIG. 2 is a cross-sectional view of the crush box of the present invention;

FIG. 3 is an inside view of the briquetting tank of the present invention;

FIG. 4 is a view of the baffle of the present invention in combination with a cutter;

FIG. 5 is an interior view of the feed bin of the present invention;

fig. 6 is a view of the positioning seat and the positioning plate of the present invention.

Description of the reference numerals:

1. a briquetting box; 2. a crushing box; 3. a discharging bin; 4. a discharge port; 5. a first cylinder; 6. a control box; 7. a support leg; 8. a first motor; 9. a feeding bin; 10. a second cylinder; 11. a crushing roller; 12. a heating roller; 13. a blade; 14. pressing a plate; 15. a third cylinder; 16. a baffle plate; 17. cutting; 18. a groove; 19. pressing the cavity; 20. a fourth cylinder; 21. positioning seats; 22. mounting grooves; 23. a rotating shaft; 24. positioning a plate; 25. a second motor.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be apparent that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

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 device 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, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 6, the present invention provides a technical solution:

a multifunctional plant straw briquetting machine is disclosed, as shown in figures 1 to 3, and comprises a briquetting box 1, wherein a crushing box 2 is fixedly arranged at the lower end of the outer surface of one side of the briquetting box 1, a discharge bin 3 is arranged at the lower end of the outer surface of the front end of the briquetting box 1, a discharge port 4 is arranged on the outer surface of the front end of the discharge bin 3, first air cylinders 5 are respectively arranged at the front end and the rear end of the outer surface of the upper end of the briquetting box 1, a control box 6 is arranged at the middle position of the outer surface of the front end of the crushing box 2, supporting legs 7 are respectively and fixedly arranged at the front end and the rear end of the outer surface of one side of the lower end of the crushing box 2, a first motor 8 is movably arranged at the middle position of the outer surface of one side of the crushing box 2, a feeding bin 9 is arranged at one side of the outer surface of the upper end of the crushing box 2, a second air cylinder 10 is movably arranged at the middle position of the outer surface of one side of the feeding bin 9 close to the briquetting box 1, and a crushing roller 11 is movably arranged at the position corresponding to the first crushing motor 8 between the inner surfaces of the two sides of the crushing box 2, heating rollers 12 are movably mounted at the front end and the rear end between the inner surfaces of the two sides of the crushing box 2, blades 13 are arranged on the outer surfaces of the heating rollers 12, the blades 13 are meshed with roller cutters on the outer surfaces of the crushing rollers 11, a pressing plate 14 is movably mounted at the upper end inside the pressing block box 1, the pressing plate 14 is movably connected with the first air cylinder 5, a pressing cavity 19 is formed in the lower end inside the pressing block box 1, and a fourth air cylinder 20 is arranged at the lower end of the outer surface of the rear end of the pressing block box 1;

By adopting the technical scheme, straws are put into the crushing box 2 through the feeding bin 9 for crushing, after the straws are added into the crushing box 2, the first motor 8 is utilized to drive the crushing roller 11 to rotate, the crushing roller 11 is meshed with the cutting edges 13 on the heating rollers 12 at the front end and the rear end in the crushing box 2, so that the crushing roller 11 and the heating rollers 12 rotate relatively, the straws are crushed by the cutting edges 13, the heating rollers 12 are utilized to heat and dry the crushed straws, the straws are contacted with the heating rollers 12 through the meshing parts of the cutting edges 13 and the crushing rollers 11 during crushing and after crushing, so that the straws are uniformly heated, the straws can be dried more quickly, the crushed and dried straws enter the pressing box 1 and fall into the pressing cavity 19, then the pressing plate 14 is pushed to move downwards by the first cylinder 5, and the pressing plate 14 is utilized to compress and shape the straws, make the straw form blockily, the briquetting is accomplished the back, first cylinder 5 drives clamp plate 14 and moves upward, and push the straw piece out of feed bin 3 from pressure chamber 19 inside through fourth cylinder 20, discharge by discharge gate 4, before this, can realize cup jointing packing area 3 outsides at a feed bin, and make the bag end in packing area coincide with discharge gate 4, when the straw piece is discharged by discharge gate 4, directly get into packing area inside and pack, need not to pack alone, and the work efficiency is improved, can avoid packing the scattering that the in-process caused the straw piece simultaneously, this briquetting machine smashes the straw, dry, briquetting and packing, multiple functions integration, straw briquetting efficiency is improved.

As an embodiment of the invention, as shown in fig. 3 and 4, a third cylinder 15 is arranged at the upper end of the inner surface of the front end of the briquetting box 1, a baffle plate 16 is fixedly arranged at the lower end of the third cylinder 15, a cutting knife 17 is arranged at the lower end of the outer surface of the rear end of the baffle plate 16, a groove 18 is arranged between the cutting knife 17 and the baffle plate 16, the outer surface of the upper end of the groove 18 is an inclined surface, crushed and dried straws enter the briquetting box 1 and fall into a pressing cavity 19, before that, the baffle plate 16 is pushed by the third cylinder 15 to move downwards, so that the baffle plate 16 closes the discharging bin 3, thereby preventing straw scraps from being discharged from the discharging bin 3 during briquetting, then the first cylinder 5 pushes the pressing plate 14 to move downwards, the pressing plate 14 is used for pressing and shaping the straws to form blocks, after the briquetting is completed, the third cylinder 15 drives the baffle plate 16 to move upwards again, when baffle 16 shifts up, utilize cutting knife 17 to cut the one side that the straw piece is close to out feed bin 3 flat, avoid the straw piece surface to lead to scattering easily because of the irregularity, the straw piece that cutting knife 17 cut falls into recess 18, along with shifting up of baffle 16, recess 18 rises to and smashes case 2 same height, the inside straw piece of recess 18 passes through the inclined plane landing of recess 18 this moment to smashing case 2 in, use as next briquetting, avoid causing the straw extravagant.

As an embodiment of the present invention, as shown in fig. 5 to 6, a positioning seat 21 is movably installed at a middle position of an inner surface of one side of the feeding bin 9 close to the briquetting tank 1, the positioning seat 21 is movably linked with the second cylinder 10, an installation groove 22 is formed on an outer surface of one side of the positioning seat 21, a rotating shaft 23 is movably installed at one side of an inner portion of the installation groove 22, positioning plates 24 are fixedly installed on peripheral outer surfaces of the rotating shaft 23, a second motor 25 is movably installed at one side of an outer surface of a front end of the positioning seat 21, straw is put into the crushing tank 2 through the feeding bin 9 for crushing, for longer straw such as corn, sugarcane and the like, cannot be added into the crushing tank 2 at one time, so that the crushing tank 2 drives an exposed end of straw to swing when crushing the inserted end of straw, and is prone to injure operators by mistake, at this time, the positioning seat 21 is pushed by the second cylinder 10, make locating plate 24 on positioning seat 21 be close to the straw to the inner wall that cooperates feeding storehouse 9 is lived the straw centre gripping, thereby prevents the naked one end swing of straw, and second motor 25 drives pivot 23 simultaneously and rotates, and locating plate 24 follows pivot 23 and rotates, and a plurality of locating plates 24 rotate in circulation, press from both sides tight pay-off to the straw.

The working principle is as follows: firstly, the control box 6 controls the block making machine to operate and carry out a series of operations, then the straws are put into the crushing box 2 through the feeding bin 9 for crushing, for longer straws such as corn, sugarcane and the like, the longer straws cannot be added into the crushing box 2 at one time, so that the crushing box 2 drives the exposed end of the straws to swing when crushing the inserted end of the straws, and operators are easily injured by mistake, at the moment, the second cylinder 10 is utilized to push the positioning seat 21, the positioning plate 24 on the positioning seat 21 is close to the straws, and the straws are clamped by matching with the inner wall of the feeding bin 9, so as to prevent the exposed end of the straws from swinging, meanwhile, the second motor 25 drives the rotating shaft 23 to rotate, the positioning plate 24 rotates along with the rotating shaft 23, the positioning plates 24 rotate circularly to clamp and feed the straws, after the straws are added into the crushing box 2, the first motor 8 is utilized to drive the crushing roller 11 to rotate, because the crushing roller 11 is meshed with the cutting edges 13 on the heating rollers 12 at the front end and the rear end inside the crushing box 2, the crushing roller 11 and the heating rollers 12 rotate relatively, the cutting edges 13 are utilized to crush straws, meanwhile, the heating rollers 12 are utilized to heat and dry the crushed straws, the straws can be contacted with the heating rollers 12 through the meshing parts of the cutting edges 13 and the crushing roller 11 when being crushed and after being crushed, so that the straws are uniformly heated and can be dried more quickly, the crushed and dried straws enter the briquetting box 1 and fall into the pressing cavity 19, before the crushing, the baffle 16 is pushed by the third air cylinder 15 to move downwards, the baffle 16 is closed on the discharging bin 3, when briquetting is avoided, straw scraps are discharged from the discharging bin 3, then the first air cylinder 5 pushes the pressing plate 14 to move downwards, and the pressing plate 14 is utilized to compress and plasticize the straws, so that the straws form blocks, after the pressing block is completed, the third cylinder 15 drives the baffle 16 to move upwards again, when the baffle 16 moves upwards, the cutter 17 is utilized to cut the surface of the straw block close to the discharging bin 3 flat, the straw block surface is prevented from being easily scattered due to irregularity, the straw fragments cut by the cutter 17 fall into the groove 18, along with the upward movement of the baffle 16, the groove 18 rises to the same height with the crushing bin 2, at the moment, the straw fragments in the groove 18 slide into the crushing bin 2 through the inclined plane of the groove 18, and are used as the next pressing block, so that the straw waste is avoided, then the first cylinder 5 drives the pressing plate 14 to move upwards, and pushes the straw block into the discharging bin 3 from the inside of the pressing cavity 19 through the fourth cylinder 20 and is discharged through the discharging port 4, before, the sleeving of the packing belt outside the discharging bin 3 can be realized, and the bag bottom of the packing belt coincides with the discharging port 4, when the straw piece was discharged by discharge gate 4, directly got into packing area inside and pack, need not independent packing, improved work efficiency, can avoid the packing in-process to cause scattering of straw piece simultaneously.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A multifunctional plant straw briquetting machine comprises a briquetting box (1) and is characterized in that a crushing box (2) is fixedly mounted at the lower end of the outer surface of one side of the briquetting box (1), a discharge bin (3) is arranged at the lower end of the outer surface of the front end of the briquetting box (1), a discharge outlet (4) is formed in the outer surface of the front end of the discharge bin (3), first air cylinders (5) are arranged at the front end and the rear end of the outer surface of the upper end of the briquetting box (1), a control box (6) is arranged at the middle position of the outer surface of the front end of the crushing box (2), supporting legs (7) are fixedly mounted at the front end and the rear end of the outer surface of one side of the crushing box (2), a first motor (8) is movably mounted at the middle position of the outer surface of one side of the crushing box (2), a feeding bin (9) is arranged at one side of the outer surface of the upper end of the crushing box (2), and a second air cylinder (10) is movably mounted at the middle position of the outer surface of one side of the feeding bin (9) close to the briquetting box (1), a crushing roller (11) is movably mounted between the inner surfaces of the two sides of the crushing box (2) corresponding to the position of the first motor (8), heating rollers (12) are movably mounted between the inner surfaces of the two sides of the crushing box (2) at the front end and the rear end, a cutting edge (13) is arranged on the outer surface of each heating roller (12), the cutting edge (13) is meshed with a roller cutter on the outer surface of the crushing roller (11), a pressing plate (14) is movably mounted at the upper end of the inside of the briquetting box (1), the pressing plate (14) is movably connected with the first air cylinder (5), a pressing cavity (19) is formed in the lower end of the inside of the briquetting box (1), and a fourth air cylinder (20) is arranged at the lower end of the outer surface of the rear end of the briquetting box (1);

A third cylinder (15) is arranged at the upper end of the inner surface of the front end of the briquetting box (1), a baffle (16) is fixedly installed at the lower end of the third cylinder (15), and a cutting knife (17) is arranged at the lower end of the outer surface of the rear end of the baffle (16);

a groove (18) is formed between the cutting knife (17) and the baffle (16), and the outer surface of the upper end of the groove (18) is an inclined surface;

a positioning seat (21) is movably mounted in the middle of the inner surface of one side, close to the briquetting box (1), of the feeding bin (9), the positioning seat (21) is movably connected with a second air cylinder (10), a mounting groove (22) is formed in the outer surface of one side of the positioning seat (21), a rotating shaft (23) is movably mounted on one side of the inside of the mounting groove (22), positioning plates (24) are fixedly mounted on the outer surfaces of the periphery of the rotating shaft (23), and a second motor (25) is movably mounted on one side of the outer surface of the front end of the positioning seat (21);

the second motor (25) is rotatably connected with the rotating shaft (23), and the length of the positioning plate (24) is smaller than that of the mounting groove (22).

2. The multifunctional plant straw briquetting machine of claim 1, wherein both sides of the heating roller (12) are connected with the inner wall of the crushing box (2) through roller shafts, and the heating roller (12) can rotate relative to the crushing box (2) through the roller shafts.