CN110103356B

CN110103356B - Abandonment plastic film processing system

Info

Publication number: CN110103356B
Application number: CN201910385906.2A
Authority: CN
Inventors: 周大同; 李双全; 施佰生
Original assignee: Yunnan Tongyun Technology & Trading Co ltd
Current assignee: Yunnan Tongyun Technology & Trading Co ltd
Priority date: 2019-05-09
Filing date: 2019-05-09
Publication date: 2021-12-31
Anticipated expiration: 2039-05-09
Also published as: CN110103356A

Abstract

The invention provides a waste agricultural film treatment system which is characterized by comprising a waste agricultural film conveyor and an agricultural film shredder which is connected with the output end of the waste agricultural film conveyor and is provided with a film dust outlet and an impurity outlet, wherein the film dust outlet is connected with a film dust inlet of a film dust separator arranged in a first cavity of a closed cover through a film dust pipe on which a first fan is arranged, a second cavity is arranged in the film dust separator, a broken film outlet and a dust outlet are also arranged on the film dust separator, the broken film outlet is communicated with a broken film collecting box through a broken film pipe on which a second fan is arranged, the first cavity in the closed cover is communicated with the second cavity in the film dust separator through the dust outlet, the inlet end of a dust suction pipe on which a third fan is arranged is communicated with the first cavity of the closed cover, and the outlet end of the dust suction pipe is communicated with a dust collecting pool. The problem that impurities such as soil, plant stems, stalks, roots and leaves are difficult to separate from the waste agricultural film in the waste agricultural film treatment process is solved, the separation effect is good, and the environment is not polluted.

Description

Abandonment plastic film processing system

Technical Field

The invention relates to a treatment system, in particular to a waste agricultural film treatment system, and belongs to the technical field of mechanical design and manufacture.

Background

With the continuous progress of agricultural science and technology, greenhouse planting technology and mulching film planting technology are developed unprecedentedly. People can eat various fruits and vegetables in due seasons or out of seasons at any time and any place by the greenhouse planting technology, and dining tables of people are greatly enriched. By the mulching film planting technology, the humidity and the temperature of crops such as tobacco, flowers, Chinese herbal medicines and the like are kept during the growth process, the planting efficiency is improved, and the yield and the income are increased. However, the problem is how to treat a large amount of waste agricultural films, and if the waste agricultural films are not treated, the environment is seriously polluted, and resources are wasted. The agricultural film shredder and the like are developed aiming at the treatment of waste agricultural films in the prior art, but because a large amount of silt, broken stone and impurities such as stems, roots, leaves and the like of plants are inevitably mixed in the waste agricultural films, the treatment equipment such as the agricultural film shredder and the like cannot easily play the due role, the impurities are manually rejected in the prior art, and manual rejection is labor-consuming, time-consuming and high in labor intensity, so that the treatment efficiency is low, the treatment process is long, time-consuming and labor-consuming, and the mechanized treatment needs are difficult to meet. There is therefore a need for improvements in the prior art.

Disclosure of Invention

The invention provides a waste agricultural film treatment system, which aims to solve the problem that the existing waste agricultural film is difficult to treat and recover due to the fact that the existing waste agricultural film contains a large amount of impurities.

The invention is completed by the following technical scheme: a waste agricultural film treatment system is characterized by comprising a waste agricultural film conveyor and an agricultural film shredder which is connected with the output end of the waste agricultural film conveyor and is provided with a film dust outlet and an impurity outlet, wherein the film dust outlet is connected with a film dust inlet of a film dust separator arranged in a first cavity of a closed cover through a film dust pipe provided with a first fan, a second cavity is arranged in the film dust separator, a broken film outlet and a dust outlet are also arranged on the film dust separator, the broken film outlet is communicated with a broken film collecting box through a broken film pipe provided with a second fan, the first cavity in the closed cover is communicated with the second cavity in the film dust separator through the dust outlet, the inlet end of a dust suction pipe provided with a third fan is communicated with the first cavity of the closed cover, the outlet end of the dust suction pipe is communicated with a dust collecting pool, so that waste agricultural films are fed into the agricultural film shredder through the waste agricultural film conveyor to finish cutting, scattering and shredding, After being torn up and separated from impurities such as soil and the like, the dust-containing broken film is sent into a film dust separator through a film dust pipe to further complete the separation of the broken film and dust, the separated broken film enters a collecting box to be collected, and the dust enters a dust collecting water tank to be collected.

The abandonment agricultural film shredder includes: the frame, rotate the first rotor of locating frame feed end top, rotate and locate frame feed end below, and the second rotor relative with first rotor, it breaks up the roller and tears the roller to lie in first rotor and second rotor rear in proper order in the frame, so that stagger the cutting back through the abandonment agricultural film that first rotor and second rotor sent into with the feeding conveyer, break up the agricultural film and impurity after will cutting by breaking up the roller, the abandonment agricultural film after breaking up is attached to on breaking up the roller, and impurity is then whereabouts under self action of gravity and with abandonment agricultural film separation, at last it tears the abandonment agricultural film that is attached to on breaking up the roller to tear up by tearing the roller.

The interval is equipped with a plurality of cutter head seats on the roll surface of first, second rotor, and one side correspondence of every cutter head seat is equipped with the blade disc, wherein: the cutter heads on the first cutter rollers are all located on one side of the corresponding cutter head seat, and the cutter heads on the second cutter rollers are all located on the other side of the corresponding cutter head seat to form opposite cutter head pairs, so that the waste agricultural films can be cut through the plurality of opposite cutter head pairs.

The roller at first, second rotor both ends is equallyd divide and is equipped with the corresponding axle sleeve that compresses tightly respectively, compresses tightly a plurality of blade discs and blade disc seat and fix on the roller that corresponds through compressing tightly the axle sleeve to when certain blade disc is impaired, only need to compress tightly the axle sleeve and take off, just can conveniently, fast lift off adjacent blade disc seat one by one, until lift off the blade disc seat that impaired blade disc corresponds, and conveniently change or maintain impaired blade disc.

The roll shafts at the two ends of the first knife roll and the second knife roll are respectively provided with an end shaft extending outwards, the end shafts are fixed on the frame through a bearing with a seat, the end shafts at the same end are respectively provided with a driving wheel and are connected with a driving wheel on a motor spindle through a driving belt or a chain, so that the motor drives the first knife roll and the second knife roll to drive the cutter head to rotate synchronously through the driving belt or the chain and the driving wheel, and then the cutting of the waste agricultural film is completed.

The outer edges of the cutter heads on the first cutter roller and the second cutter roller are provided with sawteeth, so that the cutting efficiency is improved.

The roller surface of the scattering roller is provided with a plurality of scattering pieces at intervals, each scattering piece comprises a roller sleeve, at least two radial protrusions are symmetrically arranged on the roller sleeve, and one side or two sides of scattering blades with saw teeth are arranged on each radial protrusion, so that the scattering blades with the saw teeth can attach the waste agricultural film cut by the first knife roller and the second knife roller to the scattering blades, and the effect of scattering and separating the waste agricultural film is achieved.

Break up roller shaft both ends and all be equipped with the compression roller cover, compress tightly and fix a plurality of parts of breaing up on the roller that corresponds through the compression roller cover to when a certain blade of breaing up appears damaged, only need take off the compression roller cover, can conveniently lift off adjacent roller cover one by one, break up the axle sleeve that the blade corresponds until impaired, conveniently change or maintain impaired blade of breaing up.

The two ends of the roller shaft of the scattering roller are respectively provided with an end shaft extending outwards, the end shafts are fixed on the frame through a bearing with a seat, one end shaft is provided with a driving wheel and is connected with a driving wheel on a motor main shaft through a driving belt or a chain, so that the motor drives the scattering roller and the scattering blade to synchronously rotate through the driving belt or the chain and the driving wheel, and the scattering of the waste agricultural film after cutting is completed.

The interval is equipped with a plurality of blade disc groups on the roll surface of shredding roll, and each blade disc group is equipped with many sword grooves including the axle sleeve of taking a plurality of blade holders on every blade holder, and swing joint has the shredding blade of sawtooth in the outer fringe area in each sword groove, and a plurality of shredding blades through on a plurality of blade holders will be attached to and break up thoroughly the shredding of the abandonment plastic film on the roller, further reinforcement cutting, shredding effect.

At least two tool holders are symmetrically arranged on a shaft sleeve of each tool pan group on the shredding roller, at least two tool grooves are arranged on each tool holder, at least one coaxial screw hole is formed in the wall of each tool groove, a bolt and a nut are arranged in each screw hole, and a plurality of shredding blades clamped into the tool grooves are fixed on the tool holders through at least one bolt and nut.

The shredding blade is fan-shaped.

The cutter seats and the shredding blades on the two cutter disc groups on the shredding roller are arranged in a staggered mode and used for increasing the shredding effect.

The two ends of the shredding roller shaft are respectively provided with a pressing roller sleeve, a plurality of cutter head groups are pressed and fixed on the corresponding roller shaft through the pressing roller sleeves, so that when a certain shredding blade is damaged, the pressing roller sleeves only need to be taken down, the adjacent roller sleeves can be conveniently detached one by one, until the shaft sleeve corresponding to the damaged shredding blade, the damaged shredding blade is conveniently replaced or maintained.

The utility model discloses a shredding machine, including shredding roller, motor main shaft, drive belt, shredding roller shaft, motor main shaft, motor, drive belt or chain, shredding roller shaft both ends are equipped with the end shaft of outside extension respectively, and the end shaft passes through the rolling bearing to be fixed in the frame, and one of them end is epaxial to be equipped with the drive wheel to link to each other with the epaxial action wheel of motor through drive belt or chain, drive belt drive shredding roller and shredding blade synchronous rotation and accomplish the shredding that goes on the discarded plastic sheeting for farm use after the cutting under the motor drives.

Be equipped with the sealed cowling of bottom area discharge gate in the frame of abandonment plastic film shredder, locate the silo of sealed cowling lower part upper and lower for uncovered, inside area fluted roller, silo below is equipped with the conveyer belt for smash the back with impurity such as earth, plant stem stalk, root system, the leaf that separate, see off through the conveyer belt.

The last membrane dirt import of membrane dirt separator is the right angle with the garrulous membrane export and distributes, is equipped with the screen cloth on the dust export to in sending into the second cavity through the membrane dirt pipe with the membrane dirt that is mingled with a large amount of dusts that abandonment agricultural film shredder sent out, make behind high-speed motion's membrane, the dirt collision second cavity wall, the dirt gas of production gets into the first cavity of enclosure through the screen cloth blowout.

The membrane dust separator is a cuboid which is enclosed by side plates around, an upper screen and a lower screen and is internally provided with a second cavity, the cuboid is connected with a support frame, a membrane dust inlet is arranged on the front side plate of the cuboid, the membrane dust inlet is positioned at the left end of the front side plate, a broken membrane outlet is arranged on the right side plate, the broken membrane outlet is positioned at the rear end of the right side plate to form a right-angle turning channel of a membrane dust material, so that a high-speed dust-containing broken membrane enters the second cavity, collides with the wall to turn, generates larger dust and sprays the dust into the first cavity of the closed cover through the upper screen and the lower screens, and the broken membrane enters a broken membrane pipe through the broken membrane outlet to finish membrane and dust separation.

And the upper part of the wall body wall on one side of the closed cover is provided with a dust suction pipe which is communicated with the first cavity and is provided with a third fan, and the outer end of the dust suction pipe is connected with a dust collection water tank and is used for collecting dust and avoiding the dust from entering air to pollute the environment.

The invention has the following advantages and effects: by adopting the scheme, the waste agricultural films can be conveniently conveyed into the agricultural film shredder through the waste agricultural film conveyor to be cut, scattered and shredded to be separated from impurities such as soil, the dust-containing broken films are conveyed into the film dust separator through the film dust pipe to further separate the broken films from dust, the separated broken films enter the collecting box to be collected, recovered and utilized, and the dust enters the dust collecting pool to collect dust. The problem that the waste agricultural film is difficult to separate from the waste agricultural film due to the fact that the waste agricultural film contains a large amount of soil and impurities such as stems, stalks, root systems and leaves of plants in the treatment process is thoroughly solved, the separation effect is good, energy is saved, the environment is not polluted, recycling and utilization of the waste agricultural film are facilitated, labor intensity is reduced, and working efficiency is improved. Meanwhile, the invention has the advantages of novel structure, convenient maintenance, low noise, low energy consumption, simple and convenient installation and debugging and the like. Is an ideal waste agricultural film treatment system.

Drawings

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

FIG. 2 is a schematic view of the agricultural film shredder of FIG. 1;

FIG. 3 is a left side view of FIG. 2;

FIG. 4 is a partial top view of FIG. 2;

FIG. 5 is an enlarged view of a portion of FIG. 2;

FIG. 6 is a top view of the membrane dust separator of FIG. 1.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

The invention provides a waste agricultural film treatment system, which comprises: the agricultural film shredder comprises a waste agricultural film conveyor 1, an agricultural film shredder 2 which is connected with the output end of the waste agricultural film conveyor 1 and is provided with a film dust outlet and an impurity outlet, wherein the film dust outlet is connected with a film dust inlet of a film dust separator 5 arranged in a first cavity of a sealing cover 4 through a film dust pipe 3 on which a first fan 11 is arranged, a second cavity is arranged in the film dust separator 5, a broken film outlet and a dust outlet are also arranged on the film dust separator 5, the broken film outlet is connected with a broken film collecting box 8 through a broken film pipe 6 on which a second fan 13 is arranged, the first cavity in the sealing cover 4 is communicated with the second cavity in the film dust separator 5 through the dust outlet, the inlet end of a dust suction pipe 7 on which a third fan 12 is arranged is communicated with the first cavity of the sealing cover 4, and the outlet end of the dust suction pipe is communicated with a dust collecting pool 9;

the waste agricultural film shredder 2 includes: the agricultural film cutting machine comprises a frame 21, a first knife roll 23 arranged above the feeding end of the frame 21 in a rotating mode, a second knife roll 22 arranged below the feeding end of the frame in a rotating mode and opposite to the first knife roll 23, a breaking roll 24 and a shredding roll 25 are sequentially arranged on the frame 21 and positioned on the right of the first knife roll 23 and the second knife roll 22, so that after waste agricultural films fed by the feeding conveyor 1 are cut in a staggered mode through the first knife roll 23 and the second knife roll 22, the broken agricultural films and impurities are broken up through the breaking roll 24, the broken waste agricultural films are attached to the breaking roll 24, the impurities fall under the action of self gravity and are separated from the waste agricultural films, and finally the waste agricultural films attached to the breaking roll 24 are shredded through the shredding roll 25; a plurality of

cutter disc seats

231 and 221 are arranged on the roller surfaces of the first cutter roller 23 and the second cutter roller 22 at intervals,

cutter discs

232 and 222 are correspondingly arranged on one sides of the

cutter disc seats

231 and 221, wherein: the cutter heads 232 on the first knife roll 23 are all positioned on the left side of the corresponding cutter head seat 231, and the cutter heads 222 on the second knife roll 22 are all positioned on the right side of the corresponding cutter head seat 221 to form opposite

cutter head pairs

232 and 222, so that the waste agricultural film can be cut through the plurality of opposite

cutter head pairs

232 and 222; the roller shafts at the two ends of the first knife roller 23 and the second knife roller 22 are respectively provided with corresponding

pressing shaft sleeves

233 and 223, and a plurality of knife discs and knife disc seats are pressed and fixed on the corresponding roller shafts through the

pressing shaft sleeves

233 and 223, so that when a certain knife disc is damaged, the adjacent knife disc seats can be conveniently and quickly detached one by one only by taking down the pressing shaft sleeve until the knife disc seat corresponding to the damaged knife disc is detached, and the damaged knife disc is convenient to replace or maintain; the roll shafts at the two ends of the first and second knife rolls 23, 22 are respectively provided with an end shaft extending outwards, the end shafts are fixed on the frame 21 through a bearing 2154 with a seat, the end shafts at the same end are respectively provided with a driving wheel 2153 and are connected with a driving wheel 2151 on the main shaft of the motor 215 through a driving belt or chain 2152, so that the first and second knife rolls 23, 22 are driven by the motor 215 to drive the

knife discs

232, 222 to synchronously rotate through the driving wheel 2151, the driving belt or chain 2152 and the driving wheel 2153, and the cutting of the waste agricultural film is completed;

sawteeth

2321 and 2221 are arranged on the outer edges of the

cutter heads

232 and 222 on the first and second cutter rollers 23 and 22, so that the cutting efficiency is improved;

a plurality of scattering pieces are arranged on the surface of the scattering roller 24 at intervals, each scattering piece comprises a roller sleeve 241 and three radial protrusions 242 symmetrically arranged on the roller sleeve, and each radial protrusion 242 is provided with a scattering blade 243 with a saw tooth 2431 at one side, so that the waste agricultural films cut by the first knife roller 23 and the second knife roller 22 are attached to the scattering blades 243 with the saw teeth 2431, and the scattering and separating effects of the waste agricultural films are achieved; the two ends of the roll shaft of the scattering roll 24 are respectively provided with a pressing roll sleeve 244, and a plurality of scattering parts are pressed and fixed on the corresponding roll shaft through the pressing roll sleeves 244, so that when a certain scattering blade 243 is damaged, the adjacent roll sleeves can be conveniently detached one by one only by taking down the pressing roll sleeves 244 until the shaft sleeve 244 corresponding to the damaged scattering blade 243 is damaged, and the damaged scattering blade 243 is convenient to replace or maintain; two ends of a roll shaft of the scattering roll 24 are respectively provided with an end shaft extending outwards, the end shafts are fixed on the frame 21 through a bearing 2164 with a seat, one end shaft is provided with a driving wheel 2163 and is connected with a driving wheel 2163 on a main shaft of the motor 216 through a driving belt or a chain 2162, so that the scattering roll 24 and the scattering blade 243 are driven by the motor 216 to synchronously rotate through the driving wheel 2163, the driving belt or the chain 2162 and the driving wheel 2163 to scatter the cut waste agricultural film;

a plurality of cutter disc groups are arranged on the surface of the shredding roller 25 at intervals, each cutter disc group comprises a shaft sleeve 251 with four cutter seats 252, each cutter seat 252 is provided with four cutter grooves, each cutter groove is movably connected with a shredding cutter 253 with sawteeth 2531 at the outer edge, and the total number of the shredding cutters 253 is four, so that the waste agricultural film attached to the scattering roller 24 is thoroughly shredded by the shredding cutters 253 on the cutter seats 252, and the cutting and shredding effects are further enhanced; four tool holders 252 are symmetrically arranged on a shaft sleeve 251 of each tool pan group on the shredding roller 25, four tool grooves are arranged on each tool holder 252, two coaxial screw holes are arranged on the wall of each tool groove, bolts and nuts are arranged in the screw holes, and four shredding blades 253 clamped into the four tool grooves are fixed on the tool holders 252 through the two bolts and the nuts; the shredding blade 253 is fan-shaped, and sawteeth 2531 are arranged on the outer edge; the knife seats 252 and the shredding blades 253 on every two knife disc groups on the shredding roller 25 are arranged in a staggered mode and used for increasing the shredding effect; the two ends of the roll shaft of the shredding roll 25 are respectively provided with a pressing roll sleeve 254, and a plurality of cutter head groups are pressed and fixed on the corresponding roll shaft through the pressing roll sleeves 254, so that when a certain shredding blade 253 is damaged, the adjacent roll sleeves can be conveniently dismounted one by one only by taking down the pressing roll sleeves 254 until the shaft sleeve corresponding to the damaged shredding blade 253, and the damaged shredding blade 253 is convenient to replace or maintain; two ends of a roll shaft of the shredding roll 25 are respectively provided with an end shaft extending outwards, the end shafts are fixed on the frame 21 through a bearing 255 with a seat, one end shaft is provided with a driving wheel 256 and is connected with a driving wheel 2151 on a main shaft of the motor 215 through a driving belt or chain 2152, so that the shredding roll 25 and the shredding blade 253 are driven by the motor 215 to synchronously rotate through the driving wheel 2151, the driving belt or chain 2152 and the driving wheel 256 to complete shredding of the cut waste agricultural film;

frame 21 of abandonment plastic film shredder 2 is equipped with the sealed cowling 211 of bottom area discharge gate, locate its upper and lower of sealed cowling 211 lower part, be uncovered down, inside trough 212 of taking fluted roller 213, trough 212 below is equipped with conveyer belt 214, sealed cowling 211 top is equipped with membrane dirt export 2111, membrane dirt export 2111 is through the membrane dirt pipe 3 of establishing first fan 11 on it with locate the membrane dirt import of the membrane dirt separator 5 in the first cavity of sealed cowling 4 and link to each other, be used for the earth of separating out, plant stem stalk, the root system, the back is smashed to impurity such as leaf, see off through conveyer belt 214.

A film dust inlet 51 and a broken film outlet 53 on the film dust separator 5 are distributed at a right angle, and a screen 521 is arranged on a dust outlet 52;

the membrane dust separator 5 is a rectangular body which is enclosed by a peripheral side plate, an upper screen and a lower screen 521 and is provided with a second cavity inside, the rectangular body is connected with a support frame 54, a membrane dust inlet 51 is arranged on the front side plate of the rectangular body, the membrane dust inlet 51 is positioned at the left end of the front side plate, a broken membrane outlet 53 is arranged on the right side plate, the broken membrane outlet 53 is positioned at the rear end of the right side plate to form a right-angle turning channel of a membrane dust material, so that a high-speed dust-containing broken membrane enters the second cavity, collides with the wall and turns, generates larger dust and is sprayed into the first cavity of the closed cover 4 through the upper screen 521 and the lower screen 521, and the broken membrane enters the broken membrane pipe 6 through the broken membrane outlet 53 to finish membrane and dust separation; and the upper part of the wall body on the right side of the closed cover 4 is provided with a dust suction pipe 7 which is communicated with the first cavity and is provided with a third fan 12, and the outer end of the dust suction pipe 7 is connected with a dust collection water tank 9 and is used for collecting dust and avoiding the dust from entering air to pollute the environment.

Claims

1. A abandoned agricultural film treatment system comprises a abandoned agricultural film conveyor, and is characterized in that the output end of the abandoned agricultural film conveyor is connected with an agricultural film shredder provided with a film dust outlet and an impurity outlet, the film dust outlet is connected with a film dust inlet of a film dust separator arranged in a first cavity of a closed cover through a film dust pipe provided with a first fan, a second cavity is arranged in the film dust separator, the film dust separator is also provided with a broken film outlet and a dust outlet, the broken film outlet is communicated with a broken film collecting box through a broken film pipe provided with a second fan, the first cavity in the closed cover is communicated with the second cavity in the film dust separator through the dust outlet, the inlet end of a dust suction pipe provided with a third fan is communicated with the first cavity of the closed cover, and the outlet end of the dust suction pipe is communicated with a dust collecting pool;

the membrane dust separator is a rectangular body which is enclosed by a peripheral side plate, an upper screen and a lower screen and is internally provided with a second cavity, and a membrane dust inlet and a broken membrane outlet are distributed on the side plate in a right angle.

2. The waste agricultural film treatment system according to claim 1, wherein the rectangular body of the film dust separator is connected to the support frame, the film dust inlet is provided on a front side plate of the rectangular body, and the film dust inlet is located at a left end of the front side plate, the shredded film outlet is provided on a right side plate, and the shredded film outlet is located at a rear end of the right side plate, forming a quarter turn passage for the film dust.

3. The waste agricultural film treatment system according to claim 1, wherein a dust suction pipe with a third fan thereon is provided on the upper portion of the wall body on one side of the enclosure, and is communicated with the first cavity, and the outer end of the dust suction pipe is connected with a dust collection pool.

4. The waste agricultural film processing system according to claim 1, wherein the agricultural film shredder comprises: the device comprises a rack, a first knife roll and a second knife roll, wherein the first knife roll is rotatably arranged above the feeding end of the rack;

a plurality of scattering pieces are arranged on the roller surface of the scattering roller at intervals, each scattering piece comprises a roller sleeve and at least two radial protrusions symmetrically arranged on the roller sleeve, and a scattering blade with saw teeth on one side or two sides is arranged on each radial protrusion;

a plurality of cutter disc groups are arranged on the surface of the shredding roller at intervals, each cutter disc group comprises a shaft sleeve with a plurality of cutter seats, each cutter seat is provided with a plurality of cutter grooves, and a fan-shaped shredding blade with sawteeth on the outer edge is movably connected in each cutter groove; the knife seats and the shredding blades on every two knife disk groups are arranged in a staggered manner.

5. The waste agricultural film treatment system according to claim 4, wherein a plurality of cutter head seats are arranged on the roller surfaces of the first and second cutter rollers at intervals, and a cutter head is correspondingly arranged on one side of each cutter head seat, wherein: the cutter heads on the first cutter rollers are all positioned on one side of the corresponding cutter head seat, and the cutter heads on the second cutter rollers are all positioned on the other side of the corresponding cutter head seat to form opposite cutter head pairs.

6. The waste agricultural film treatment system according to claim 4, wherein the roll shafts at both ends of the first and second knife rolls are respectively provided with corresponding pressing shaft sleeves, and a plurality of knife discs and knife disc seats are pressed and fixed on the corresponding roll shafts through the pressing shaft sleeves; the roll shafts at the two ends of the first and second knife rolls are respectively provided with an end shaft extending outwards, the end shafts are fixed on the frame through a bearing with a seat, and the end shafts at the same end are both provided with a driving wheel and are connected with a driving wheel on a main shaft of the motor through a driving belt or a chain; the outer edges of the cutter heads on the first cutter roll and the second cutter roll are provided with sawteeth.

7. The waste agricultural film treatment system according to claim 4, wherein the two ends of the roller shaft of the scattering roller are respectively provided with an end shaft extending outwards, the end shafts are fixed on the frame through a bearing with a seat, one end shaft is provided with a driving wheel and is connected with a driving wheel on a main shaft of a motor through a driving belt or a chain;

the two ends of the scattering roller shaft are provided with pressing roller sleeves, and a plurality of scattering parts are pressed and fixed on the corresponding roller shafts through the pressing roller sleeves.

8. The waste agricultural film processing system according to claim 4, wherein the shredding roll has at least two cutter seats symmetrically disposed on the shaft sleeve of each cutter disk group, each cutter seat has at least two cutter grooves, and the cutter groove wall has at least one coaxial screw hole, and the screw hole has a bolt and a nut, and the plurality of shredding blades inserted into the respective cutter grooves are fixed to the cutter seats by at least one bolt and nut.

9. The waste agricultural film treatment system according to claim 4, wherein the two ends of the roller shaft of the shredding roller are provided with a pressing roller sleeve, and the plurality of cutter head groups are pressed and fixed on the corresponding roller shaft through the pressing roller sleeves; the two ends of the roller shaft of the shredding roller are respectively provided with an end shaft extending outwards, the end shafts are fixed on the frame through a bearing with a seat, and one end shaft is provided with a driving wheel and is connected with a driving wheel on the main shaft of the motor through a driving belt or a chain.

10. The waste agricultural film processing system according to claim 4, wherein a sealing cover with a discharge port at the bottom is arranged on the frame of the agricultural film shredder, a trough with an opening at the upper part and the lower part and an internal toothed roller is arranged at the lower part of the sealing cover, and a conveyer belt is arranged below the trough.