CN213485562U - Residual film recycling machine - Google Patents
Residual film recycling machine Download PDFInfo
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- CN213485562U CN213485562U CN202022234984.3U CN202022234984U CN213485562U CN 213485562 U CN213485562 U CN 213485562U CN 202022234984 U CN202022234984 U CN 202022234984U CN 213485562 U CN213485562 U CN 213485562U
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- Prior art keywords
- soil
- membrane
- film
- residual
- separation device
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- 238000004064 recycling Methods 0.000 title claims description 26
- 239000002689 soil Substances 0.000 claims abstract description 157
- 239000012528 membrane Substances 0.000 claims abstract description 76
- 238000000926 separation method Methods 0.000 claims abstract description 44
- 238000003971 tillage Methods 0.000 claims abstract description 22
- 230000001680 brushing effect Effects 0.000 claims abstract description 20
- 239000002985 plastic film Substances 0.000 claims abstract description 17
- 229920006255 plastic film Polymers 0.000 claims abstract description 17
- 238000012856 packing Methods 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000002362 mulch Substances 0.000 claims 2
- 238000011084 recovery Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241000607479 Yersinia pestis Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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- Soil Working Implements (AREA)
Abstract
An embodiment of the utility model provides a plastic film residue collector, include: the soil-breaking device comprises a frame, a rotary tillage device, a soil lifting chain, a soil-breaking device, a membrane-soil separating device, a membrane brushing device, a packing auger, a lifter and a membrane collecting box. The rotary cultivator is arranged at the front end of the frame, the soil lifting chain is obliquely arranged behind the rotary cultivator, and the height of one end, close to the rotary cultivator, of the soil lifting chain is lower than that of the other end of the soil lifting chain. The other end of the soil crushing device close to the soil lifting chain is arranged behind the soil lifting chain. The membrane soil separation device is obliquely arranged behind the soil crushing device, and the height of one end, close to the soil crushing device, of the membrane soil separation device is lower than that of the other end of the membrane soil separation device. The membrane brushing device is arranged in parallel to the membrane soil separation device and is arranged above the membrane soil separation device. The auger is provided with a lifter at one end far away from the membrane-soil separation device, the lifter is connected with a membrane collecting box, and the membrane collecting box is positioned above the rack. The residual film recoverer can improve the recovery rate of residual films; meanwhile, the device has the advantage of simple and compact structure.
Description
Technical Field
The utility model relates to the technical field of agricultural machinery, especially, relate to a plastic film residue collector.
Background
Mulching film, i.e., ground-covering film, is typically a clear or green, silvery film. The fertilizer is used for ground covering to improve the soil temperature, maintain the soil moisture, maintain the soil structure, prevent pests from attacking crops and diseases caused by certain microorganisms and the like, and further promote the growth of plants.
Because the mulching film cannot be degraded, the residual mulching film needs to be recycled after use so as to prevent the residual mulching film from polluting the environment.
At present, the residual film recycling machine mainly takes film hooking as a main part. The film hooking phenomenon can occur in the plough layer, and meanwhile, the film removing rate of the film removing device of the residual film recycling machine is low, so that a large amount of residual films are remained on the film removing teeth, and the overall residual film recycling rate of the residual film recycling machine is low. Moreover, the existing residual film recycling machine is complex in overall structure and not compact enough.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a plastic film residue collector for the structure of plastic film residue collector is compact inadequately among the solution prior art, and the lower problem of plastic film residue rate of recovery.
According to the utility model discloses an embodiment provides a plastic film residue collector, include: the soil-breaking device comprises a frame, a rotary tillage device, a soil lifting chain, a soil-breaking device, a membrane-soil separating device, a membrane brushing device, a packing auger, a lifter and a membrane collecting box.
The rotary tillage device is arranged at the front end of the rack, the soil lifting chain is obliquely arranged behind the rotary tillage device, and the height of one end, close to the rotary tillage device, of the soil lifting chain is lower than that of the other end of the soil lifting chain.
The other end of the soil crushing device close to the soil lifting chain is arranged behind the soil lifting chain so as to receive the residual film and soil crushing mixture conveyed by the soil lifting chain and roll the crushed soil. The membrane soil separation device is obliquely arranged behind the soil crushing device, and the height of one end, close to the soil crushing device, of the membrane soil separation device is lower than that of the other end of the membrane soil separation device, and is used for separating residual membranes from crushed soil.
The film brushing device is parallel to the film soil separation device and is arranged above the film soil separation device and used for carrying residual films to the position close to the other end of the film soil separation device and arranged on the auger behind the film soil separation device.
The auger is provided with the lifter at one end far away from the membrane-soil separation device, the lifter is connected with the membrane collecting box, and the membrane collecting box is positioned above the rack.
According to the utility model discloses an embodiment, carry soil chain and include driving chain, chain axle and recess pole, the driving chain is equipped with two, two even interval installs many between the driving chain the recess pole, the driving chain cover is established epaxial the chain.
According to the utility model discloses an embodiment, the hack device includes crushing roller and curved baffle, the curved baffle is used for accepting incomplete membrane hack mixture, and with the crushing roller cooperation is in order to roll the hack.
According to the utility model discloses an embodiment, the brush membrane ware rear end is installed and is used for the clearance the membrane tooth that fades of incomplete membrane on the brush membrane ware, it is many parallel interval arrangement's of iron wire netting structure to fade the membrane tooth.
According to the utility model discloses an embodiment, the membrane collection incasement is equipped with the stripper plate, stripper plate one side is connected with the pneumatic cylinder, the pneumatic cylinder can promote the stripper plate is in the membrane collection incasement removes.
According to the utility model discloses an embodiment, rotary cultivator attachment includes rotary blade and rotary tillage axle, the rotary tillage axle the chain axle is all installed on the bearing frame, the bearing frame is installed in the frame.
According to the utility model discloses an embodiment, rotary cultivator attachment's the outside is equipped with the rotary cultivator attachment cover body.
According to the utility model discloses an embodiment, membrane soil separator is the bent axle shale shaker.
According to the utility model discloses an embodiment, be equipped with a plurality of archs on the bent baffle.
According to the utility model discloses an embodiment, be equipped with the take-up pulley in the middle of the driving chain, the take-up pulley can with the driving chain contact is in order to adjust the tensile force of driving chain.
The embodiment of the utility model provides an in the plastic film residue collector, the hack device closes on carry the other end of soil chain install in carry soil chain rear, in order to receive carry the plastic film residue hack mixture that the soil chain was carried and roll the hack. Through setting up the hack device, at first carry out the breakage to incomplete membrane hack mixture and roll, carry out membrane soil separation operation to it again, can separate incomplete membrane and hack more thoroughly, can effectively improve incomplete membrane rate of recovery.
Meanwhile, the membrane-soil separation device is obliquely arranged behind the soil crushing device, and the height of one end, close to the soil crushing device, of the membrane-soil separation device is lower than that of the other end of the membrane-soil separation device, and is used for separating residual membranes from crushed soil. Therefore, because the membrane soil separation device is provided with the slope, the broken soil with relatively large mass is not easy to be brought into the auger by the membrane brushing device when the residual membrane is collected.
And one end of the auger, which is far away from the membrane-soil separation device, is provided with the lifter, the lifter is connected with the membrane collecting box, and the membrane collecting box is positioned above the rack. Through setting up auger and lifting mechanism to locate the top of frame with the membrane collecting box, make the overall structure of plastic film residue collector compacter.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a plastic film residue recycling machine provided by an embodiment of the present invention;
FIG. 2 is a schematic view of a partial enlargement of a soil lifting chain of the plastic film residue recycling machine provided by the embodiment of the present invention;
FIG. 3 is a schematic view of a soil crushing device of the plastic film residue recycling machine according to an embodiment of the present invention;
fig. 4 is a schematic view of a part of the film removing teeth of the residual film recycling machine according to the embodiment of the present invention.
Reference numerals:
1: a frame; 2: a traction device; 3: a rotary tillage device; 4: carrying out soil lifting; 401: a drive chain; 402: a chain shaft; 403: a groove rod; 5: a soil breaking device; 501: a crushing roller; 502: a curved baffle plate; 6: a membrane soil separation device; 7: a film brushing device; 8: stripping teeth; 9: a packing auger; 10: a lifter; 11: a film collecting box; 12: a pressing plate; 13: and a hydraulic cylinder.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, without mutual contradiction, those skilled in the art can combine and combine different embodiments or examples and features of different embodiments or examples described in this specification to make the objects, technical solutions, and advantages of the embodiments of the present invention clearer, and the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The following describes a residual film recycling machine provided by an embodiment of the present invention with reference to fig. 1 to 4. It should be understood that the following description is only exemplary of the present invention and does not constitute any particular limitation of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a residual film recycling machine. This plastic film residue collector includes: the device comprises a frame 1, a rotary tillage device 3, a soil lifting chain 4, a soil crushing device 5, a membrane soil separating device 6, a membrane brushing device 7, a packing auger 9, a lifter 10 and a membrane collecting box 11.
For example, the residual film recycling machine provided in the embodiment of the present invention further includes a traction device 2. The traction device 2 is used for hanging the residual film recycling machine on the traction machine to draw the residual film recycling machine to move so as to recycle the residual film. It should be appreciated herein that the towing attachment 2 includes, but is not limited to, a towing hook; the traction machine includes, but is not limited to, a tractor.
Wherein, rotary cultivator attachment 3 installs in the front end of frame 1, and rotary cultivator attachment 3 includes rotary tillage axle and rotary blade, and the rotary blade is installed at the rotary tillage epaxially, carries soil chain 4 slope and installs in rotary cultivator attachment 3's rear to carry soil chain 4 and close on the height that highly is less than the other end of rotary cultivator attachment 3 one end.
For example, in one embodiment of the present invention, the rotary tillage shaft is mounted on a bearing seat, and the bearing seat is mounted on the frame 1, so that the rotary tillage device 3 has better supporting strength.
For another example, in an embodiment of the present invention, a rotary cultivator attachment cover is installed outside the rotary cultivator attachment 3 to protect the rotary cultivator attachment 3; meanwhile, because the rotary tillage blades are arranged on the rotary tillage device 3, the arrangement of the cover body of the rotary tillage device can also ensure the safety of operators.
The other end of the soil crushing device 5 close to the soil lifting chain 4 is arranged behind the soil lifting chain 4 to receive the residual film and crushed soil mixture conveyed by the soil lifting chain 4 and roll the crushed soil. The membrane-soil separating device 6 is obliquely arranged behind the soil crushing device 5, and the height of one end, close to the soil crushing device 5, of the membrane-soil separating device 6 is lower than that of the other end of the membrane-soil separating device, so that the residual membrane and the crushed soil are separated. The membrane soil separation device 6 is, for example, a crankshaft vibrating screen.
The film brushing device 7 is arranged in parallel to the film soil separation device 6, is arranged above the film soil separation device 6 and is used for carrying the residual film to a packing auger 9 which is arranged at the rear part of the film soil separation device 6 and is close to the other end of the film soil separation device 6.
A lifter 10 is arranged at one end of the auger 9 far away from the membrane soil separation device 6, the lifter 10 is connected with a membrane collecting box 11, and the membrane collecting box 11 is positioned above the rack 1.
The working process of the residual film recycling machine is as follows: a rotary tillage device 3 of the residual film reclaimer digs out the residual film and soil crushing mixture from the mulching film covering soil and throws the residual film and soil crushing mixture onto a soil lifting chain 4; the soil lifting chain 4 lifts and conveys the residual film and crushed soil mixture to the soil crushing device 5, and crushed soil in the residual film and crushed soil mixture is crushed and crushed in the soil crushing device 5; the residual membrane and soil mixture is conveyed to a membrane soil separation device 6 for membrane soil separation operation; the film brushing device 7 rotates anticlockwise and conveys the residual films in the film soil separation device 6 to the auger 9; the auger 9 sends the residual film into the lifter 10, and the lifter 10 conveys the residual film into a film collecting box 11 positioned above the frame 1.
The embodiment of the utility model provides an in the plastic film residue collector, the other end that hack device 5 closes on to carry soil chain 4 is installed in carrying soil chain 4 rear to the receiving is carried the plastic film residue hack mixture that soil chain 4 carried and is rolled the hack. Through setting up hack device 5, at first carry out the breakage to incomplete membrane hack mixture and roll, carry out membrane soil separation operation to it again, can separate incomplete membrane and hack more thoroughly, can effectively improve incomplete membrane rate of recovery.
Meanwhile, the membrane-soil separation device 6 is obliquely installed behind the soil breaking device 5, and the height of one end of the membrane-soil separation device 6 close to the soil breaking device 5 is lower than that of the other end thereof, so as to separate the residual membrane from the broken soil. Therefore, because the membrane soil separation device 6 is provided with the slope, the membrane brushing device 7 is not easy to bring the broken soil with relatively large mass into the auger 9 when residual membrane is collected.
And, auger 9 is equipped with riser 10 in the one end department of keeping away from membrane soil separator 6, and riser 10 meets with membrane collecting box 11, and membrane collecting box 11 is located the top of frame 1. By arranging the packing auger 9 and the lifter 10 and arranging the film collecting box 11 above the frame 1, the whole structure of the residual film recycling machine is more compact.
As shown in fig. 2, in an embodiment of the present invention, the soil lifting chain 4 includes two transmission chains 401, a chain shaft 402 and groove rods 403, the number of the transmission chains 401 is two, a plurality of groove rods 403 are installed between the two transmission chains 401 at uniform intervals, and the transmission chains 401 are sleeved on the chain shaft 402.
In an alternative embodiment of the present invention, the chain axle 402 is mounted on the bearing seat for increasing its supporting strength.
It should be noted here that the present invention is not limited in any way to the connection between the groove bar 403 and the driving chain 401. For example, a bolted connection is possible.
Through the structure, gaps are formed among the groove rods 403 of the soil lifting chain 4, when the soil lifting chain 4 is lifted to convey the residual film and soil crushing mixture, partial crushed soil can be screened out from the gaps of the groove rods 403, and the workload of the subsequent soil crushing device 5 and the film soil separating device 6 is reduced.
For example, in one embodiment of the present invention, a tension wheel is disposed in the middle of the driving chain 401, and the tension wheel can contact with the driving chain 401 to adjust the tension of the driving chain 401.
As shown in fig. 3, in one embodiment of the present invention, the soil crushing device 5 comprises a crushing roller 501 and a bent baffle 502, wherein the bent baffle 502 is used for receiving the residual film and crushed soil mixture and cooperates with the crushing roller 501 to crush the crushed soil.
According to the embodiment described above, the soil crushing device 5 is arranged in front of the membrane-soil separating device 6, so that the separation rate of the residual membrane and the soil can be effectively improved, and meanwhile, the soil crushing can be more sufficiently performed by using the bent baffle 502 and the crushing roller 501 to cooperate to crush the soil.
For example, in an alternative embodiment of the present invention, a plurality of protrusions are disposed on the curved baffle 502. The curved baffle 502 with a plurality of protrusions and the crushing roller 501 are matched to crush soil, so that the soil can be crushed into finer particles, and then the residual film and soil mixture is separated more thoroughly in the film and soil separating device 6.
As shown in fig. 4, in an embodiment of the present invention, a film removing tooth 8 for cleaning the residual film on the film brushing device 7 is installed at the rear end of the film brushing device 7.
In the process of recovering the residual films, the residual films separated by the film soil separation device 6 are conveyed to the auger 9 by the film brushing device 7, partial residual films are remained on the film brushing device 7 in the conveying process, and the film stripping teeth 8 positioned at the rear end of the film brushing device 7 can scrape the residual films on the film brushing device 7 and enable the residual films to fall into the auger 9.
For example, in an embodiment of the present invention, the membrane releasing teeth 8 are a wire mesh structure with a plurality of wires arranged in parallel at intervals.
The utility model discloses an in the embodiment, be equipped with stripper plate 12 in album membrane case 11, stripper plate 12 one side is connected with pneumatic cylinder 13, and pneumatic cylinder 13 can promote stripper plate 12 and remove in album membrane case 11.
According to the above-described embodiment, the residual film is lifted by the lifter 10 and transported into the film collecting box 11 in a messy and discrete state, and the worker is more laborious to clean and recycle the residual film. Through set up stripper plate 12 in album membrane case 11, stripper plate 12 can remove in album membrane case 11 under the promotion of pneumatic cylinder 13, and then makes the incomplete membrane extruded to the one end of album membrane case 11, and the staff of being convenient for carries out incomplete membrane cleaning work.
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 it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A residual film recycling machine is characterized by comprising: a frame, a rotary tillage device, a soil lifting chain, a soil crushing device, a membrane soil separating device, a membrane brushing device, a packing auger, a lifter and a membrane collecting box,
wherein the rotary tillage device is arranged at the front end of the frame, the soil lifting chain is obliquely arranged behind the rotary tillage device, and the height of the soil lifting chain close to one end of the rotary tillage device is lower than that of the other end of the rotary tillage device,
the other end of the soil crushing device close to the soil lifting chain is arranged behind the soil lifting chain to receive the residual film and soil crushing mixture conveyed by the soil lifting chain and roll the crushed soil,
the membrane-soil separation device is obliquely arranged behind the soil crushing device, and the height of one end, close to the soil crushing device, of the membrane-soil separation device is lower than that of the other end of the membrane-soil separation device, so that residual membranes and crushed soil are separated;
the film brushing device is arranged in parallel with the film soil separation device, is arranged above the film soil separation device and is used for carrying residual films to the auger which is arranged at the rear part of the film soil separation device and is close to the other end of the film soil separation device,
the auger is provided with the lifter at one end far away from the membrane-soil separation device, the lifter is connected with the membrane collecting box, and the membrane collecting box is positioned above the rack.
2. The residual film recycling machine according to claim 1, wherein the soil lifting chain comprises two transmission chains, a chain shaft and a groove rod, the two transmission chains are provided with a plurality of groove rods uniformly spaced therebetween, and the transmission chains are sleeved on the chain shaft.
3. The mulch film recycling machine according to claim 2, wherein the soil breaking device includes a breaking roller and a curved baffle for receiving the mulch film and soil mixture and cooperating with the breaking roller to crush the soil.
4. The residual film recycling machine according to claim 1, wherein a film removing tooth for cleaning residual films on the film brushing device is installed at the rear end of the film brushing device, and the film removing tooth is a wire mesh structure with a plurality of wires arranged in parallel at intervals.
5. The plastic film residue collector of claim 1, wherein a squeeze plate is arranged in the film collecting box, and a hydraulic cylinder is connected to one side of the squeeze plate and can push the squeeze plate to move in the film collecting box.
6. A residual film recycling machine according to claim 2, wherein said rotary tilling device includes a rotary tilling blade and a rotary tilling shaft, and said rotary tilling shaft and said chain shaft are mounted on a bearing housing mounted on said frame.
7. The plastic film residue collector as claimed in claim 1, wherein a rotary cultivator cover is provided outside the rotary cultivator unit.
8. The residual film recycling machine according to claim 1, wherein said film soil separating device is a crankshaft vibrating screen.
9. The residual film recycling machine according to claim 3, wherein a plurality of protrusions are provided on said bent baffle.
10. The recycling machine of claim 2, wherein a tension wheel is provided in the middle of the driving chain, and the tension wheel can contact with the driving chain to adjust the tension of the driving chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022234984.3U CN213485562U (en) | 2020-10-09 | 2020-10-09 | Residual film recycling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022234984.3U CN213485562U (en) | 2020-10-09 | 2020-10-09 | Residual film recycling machine |
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| Publication Number | Publication Date |
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| CN213485562U true CN213485562U (en) | 2021-06-22 |
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ID=76396180
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022234984.3U Expired - Fee Related CN213485562U (en) | 2020-10-09 | 2020-10-09 | Residual film recycling machine |
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| Country | Link |
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| CN (1) | CN213485562U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112136386A (en) * | 2020-10-09 | 2020-12-29 | 沈阳农业大学 | Residual film recycling machine |
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2020
- 2020-10-09 CN CN202022234984.3U patent/CN213485562U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112136386A (en) * | 2020-10-09 | 2020-12-29 | 沈阳农业大学 | Residual film recycling machine |
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Granted publication date: 20210622 |