CN216253785U - Residual film stripping and rolling device and elastic tooth chain rake type mulching film recycling machine - Google Patents
Residual film stripping and rolling device and elastic tooth chain rake type mulching film recycling machine Download PDFInfo
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- CN216253785U CN216253785U CN202122537005.6U CN202122537005U CN216253785U CN 216253785 U CN216253785 U CN 216253785U CN 202122537005 U CN202122537005 U CN 202122537005U CN 216253785 U CN216253785 U CN 216253785U
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Abstract
The utility model relates to the technical field of agricultural machinery, and discloses a residual film stripping and rolling device and an elastic tooth chain rake type mulching film recycling machine, which comprise a rotating scraper component, wherein the rotating scraper component comprises: the rotating shaft is arranged on one side, close to the main body, of the top of the elastic-tooth chain harrow device, and two ends of the rotating shaft are both used for being rotationally connected with the rack; the scraper plate part is fixedly arranged on the rotating shaft along the axial direction of the rotating shaft; and the transmission component is used for connecting the power distribution system and the rotating shaft so as to transmit the power of the power distribution system to the rotating shaft and drive the rotating shaft and the scraper component to synchronously rotate relative to the frame and enable the scraper component to be in contact with the elastic teeth. The residual film stripping and rolling device and the elastic tooth chain rake type mulching film recycling machine provided by the utility model can improve the effect of cleaning mulching films on the elastic teeth.
Description
Technical Field
The utility model relates to the technical field of agricultural machinery, in particular to a residual film stripping and rolling device and an elastic tooth chain rake type mulching film recycling machine.
Background
The elastic tooth chain harrow device in the existing elastic tooth chain harrow type mulching film reclaimer comprises elastic teeth and a chain harrow transmission part, wherein the elastic teeth are uniformly distributed on the chain harrow transmission part, the elastic teeth rotate along with the chain harrow transmission part to pick up mulching films, and then the mulching films on the elastic teeth are removed and reclaimed; one way to remove the mulching film on the elastic teeth is to fall off by the gravity of the mulching film at the highest point when the elastic teeth rotate, but the residues (such as the mulching film) on the elastic teeth are not easy to fall off during actual operation, so that the mulching film on the elastic teeth is seriously wound.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a residual film stripping and rolling device and an elastic tooth chain rake type mulching film recycling machine, which are used for solving the problems in the prior art and quickly and effectively improving the cleaning effect on residues on elastic teeth.
In order to achieve the purpose, the utility model provides the following scheme:
the utility model provides a residual film demoulding and rolling device, which comprises a rotary scraper component, wherein the rotary scraper component comprises: the rotating shaft is arranged on one side, close to the main body, of the top of the elastic tooth chain harrow device, and two ends of the rotating shaft are both used for being rotatably connected with the rack; the scraper plate is fixedly arranged on the rotating shaft along the axial direction of the rotating shaft; and the transmission component is used for connecting the power distribution system with the rotating shaft so as to transmit the power of the power distribution system to the rotating shaft and drive the rotating shaft and the scraper piece to synchronously rotate relative to the rack and enable the scraper piece to be in contact with the elastic teeth.
Preferably, a plurality of tooth gaps are arranged on the scraper component and distributed side by side along the axial direction of the rotating shaft; the number of the tooth gaps is consistent with that of the elastic teeth on each row of the elastic tooth chain harrow device, each tooth gap is used for corresponding to one elastic tooth of each row of the elastic teeth, and each elastic tooth of each row can respectively extend into the corresponding tooth gap in the working process.
Preferably, the number of the scraper components is set to be a plurality of, and the scraper components are uniformly distributed along the circumferential direction of the rotating shaft.
Preferably, the rolling component is powered by the power distribution system, is arranged on one side of the rotary scraper component close to the main body and is used for being connected with the frame, and has a height lower than that of the rotary scraper component; the rotating direction of the rotating shaft is opposite to the circumferential rotating direction of the elastic tooth chain harrow device; the rotary scraper component can scrape residues on the elastic teeth into the rolling component for rolling.
Preferably, the rolling assembly comprises at least one group of rolling rollers, each group of rolling rollers comprises two rolling rollers which are axially parallel to the rotating shaft, the two rolling rollers are arranged side by side along the horizontal direction, and two ends of each rolling roller are rotatably connected with the frame; two of the laminating rollers of one set of laminating rollers rotate oppositely to laminate the residue.
Preferably, still including set up in rolling the conveying mechanism of the below of subassembly, conveying mechanism be used for with frame fixed connection, conveying mechanism by power distribution system provides power, just conveying mechanism's direction of delivery with the pivot axial direction is parallel, conveying mechanism is used for carrying the process rolling the subassembly and falling extremely on conveying mechanism residue to field.
Preferably, the rolling machine further comprises a collecting box arranged on one side of the rack, and a fan is further arranged above the rolling component and/or between the rolling component and the conveying mechanism and is fixedly connected with the rack; the air outlet of the fan is communicated with the collecting box, the fan sucks the residual films in the residues in the falling process into the fan through the air suction opening, and the residual films are conveyed into the collecting box through the air outlet.
Preferably, the scraper component also comprises a support component, and the scraper component is arranged as an elastic rubber plate; the supporting piece is arranged on one side of the scraping plate piece and is fixedly connected with the rotating shaft; when the scraping plate member is contacted with the elastic teeth, the supporting member is used for supporting the scraping plate member.
Preferably, the transmission component comprises a chain wheel and a chain, the end of the rotating shaft is fixedly connected with the chain, and the power distribution system drives the chain wheel to rotate and drives the rotating shaft to rotate through the chain.
The utility model also provides an elastic tooth chain harrow type mulching film reclaimer, which comprises an elastic tooth chain harrow device, a main body, a frame and the residual film stripping and rolling device; the elastic tooth chain harrow device, the main body and the residual film demoulding and rolling device are connected to the rack, the residual film demoulding and rolling device is positioned between the elastic tooth chain harrow device and the main body, and the rotary scraper component is positioned on one side of the top of the elastic tooth chain harrow device; the main body comprises a power distribution system, and the power distribution system is used for providing power required by the residual film demoulding and rolling device and the elastic tooth chain harrow device.
Compared with the prior art, the utility model has the following technical effects:
according to the residual film stripping and rolling device and the elastic tooth chain harrow type mulching film recycling machine, in the operation process of the elastic tooth chain harrow device, the power distribution system provides driving force, so that the driving part drives the rotating shaft and the scraping plate to synchronously rotate, and the scraping plate and elastic teeth on the elastic tooth chain harrow device are contacted and relatively moved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic overall view of a mulch recycler with a spring-tooth chain harrow device according to the present invention;
fig. 2 is a schematic top view of a portion of the structure of fig. 1.
Icon: 1-elastic tooth chain rake type mulching film reclaimer; 10-elastic tooth chain harrow device; 110-spring teeth; 20-a body; 30-a frame; 40-a residual film demoulding and rolling device; 410-a rotating squeegee assembly; 411-a rotating shaft; 412-a squeegee member; 4121-tooth space; 413-a transmission member; 4131-sprocket; 4132-chain; 420-rolling the assembly; 421-rolling roller; 430-a conveying mechanism; 440-a collection tank; 450-a fan; 451-air suction inlet; 452-an air outlet; 460-support member.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model aims to provide a residual film stripping and rolling device and an elastic tooth chain rake type mulching film recycling machine, which are used for solving the problems in the prior art and further improving the effect of cleaning mulching films on elastic teeth.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example one
The present embodiment provides a residual film stripping and rolling device 40, please refer to fig. 1 and fig. 2, which includes a rotating scraper component 410, wherein the rotating scraper component 410 includes: the rotating shaft 411, the scraper piece 412 and the transmission part 413, wherein the rotating shaft 411 is arranged at one side of the top of the elastic tooth chain harrow device 10 close to the main body 20, and two ends of the rotating shaft 411 are both used for being rotationally connected with the frame 30, such as rotationally connected through a bearing; the scraping plate member 412 is fixedly arranged on the rotating shaft 411 along the axial direction of the rotating shaft 411; the power distribution system provides the power required by the transmission member 413, and the transmission member 413 drives the rotating shaft 411 and the scraper member 412 to synchronously rotate relative to the frame 30 and enables the scraper member 412 to contact with the elastic teeth 110.
In the operation process of the elastic tooth rake device 10, the power distribution system provides a driving force, so that the transmission component 413 drives the rotating shaft 411 and the scraper piece 412 to rotate synchronously, and the scraper piece 412 is contacted with the elastic tooth 110 on the elastic tooth rake device 10 and generates relative motion, because the rotating shaft 411 and the scraper piece 412 are positioned on one side of the top of the elastic tooth rake device 10, when the elastic tooth 110 and the scraper piece 412 are contacted, the relative motion between the scraper piece 412 and the elastic tooth 110 can scrape the residue on the elastic tooth 110, and the rotation of the scraper piece 412 can quickly scrape the residual film away from the elastic tooth 110.
Further, in the one-time complete turnover process of the elastic tooth rake device 10, each row of elastic teeth 110 should contact with the scraper plate 412 at least once, so as to further improve the cleaning effect; specifically, the rotation frequency of the rotary shaft 210 can be controlled by controlling the power required by the transmission part 413 according to the revolving speed of the elastic tooth rake device 10 and through the power distribution system.
In an alternative of this embodiment, please refer to fig. 2, preferably, a plurality of slots 4121 are provided on the scraping plate member 412, and the slots 4121 are distributed side by side along the axial direction of the rotating shaft 411; the number of the slots 4121 is consistent with the number of the elastic teeth 110 on each row of the elastic tooth rake device 10, each slot 4121 is used for one elastic tooth 110 corresponding to each row of the elastic teeth 110, during the working process, when the elastic teeth 110 and the scraper piece 412 are contacted, the rod part of the elastic tooth 110 is embedded into the slot 4121, and the edges of the slots 4121 scrape the residues on the elastic teeth away along with the rotation of the elastic teeth 110 and the scraper piece 412, thereby further improving the cleaning effect.
In an alternative of this embodiment, please refer to fig. 1, preferably, the number of the scraper members 412 is multiple, and the multiple scraper members 412 are uniformly distributed along the circumferential direction of the rotating shaft 411, so that the elastic teeth 110 of each row can contact and relatively move with at least one scraper member 412, and the cleaning effect of the residue on the elastic teeth 110 is improved.
Considering that the residue on the elastic tooth 110 may include crop straw besides the residual film, the crop straw needs to be disposed after being scraped by the scraper blade 412, so as to avoid blocking the machine body.
In an alternative of this embodiment, it is preferable that the residual film removing and rolling device 40 provided in this embodiment further includes a rolling assembly 420 for providing power through a power distribution system, the rolling assembly 420 is disposed on a side of the rotating scraper assembly 410 close to the main body 20 and is used for connecting with the frame 30, and the height of the rolling assembly 420 is lower than that of the rotating scraper assembly 410; the rotation direction of pivot 411 is opposite with the circumference direction of rotation of bullet tooth chain harrow device 10, as shown in fig. 1, the turnover direction of bullet tooth chain harrow device 10 is anticlockwise, the rotation direction of pivot 411 is clockwise, bullet tooth 110 and the contact of scraper blade 412 back, scraper blade 412 scrapes the residue through the rotation direction of self to make residues such as crop straw and plastic film residue produce and follow, finally fall to rolling subassembly 420 and roll, roll crop straw etc..
Further, the rotating shaft 210 and the elastic tooth rake device 10 can also be set to rotate in the same direction, i.e. the revolving direction of the elastic tooth rake device 10 is counterclockwise, and the rotating direction of the rotating shaft 411 is counterclockwise, so that the elastic tooth 110 moves obliquely upward when the elastic tooth 110 contacts the scraper member 412, the scraper member 412 moves downward, and the residue is scraped off; in this case, the rolling component is disposed right below the rotating scraper component 410, and the residue is scraped off and then directly falls on the rolling component 420.
In an alternative of this embodiment, it is preferable that the rolling assembly 420 includes at least one set of rolling rollers 421, each set of rolling rollers 421 includes two rolling rollers 421 axially parallel to the rotating shaft 411, the two rolling rollers 421 are arranged side by side along the horizontal direction, and both ends of each rolling roller 421 are used for being rotatably connected to the frame 30; two rolling rolls 421 of a set of rolling rolls 421 are rotated in opposite directions (directions as shown in fig. 1) to roll the crop straw.
Specifically, each rolling roller 421 is axially provided with circumferential convex teeth and circumferential concave grooves which are sequentially staggered, the circumferential convex teeth and circumferential concave grooves on one rolling roller 421 of one rolling roller group 421 are respectively opposite to the circumferential concave grooves and circumferential convex teeth on the other rolling roller 421, the circumferential convex teeth can extend into the circumferential concave grooves, and the two rolling rollers 421 of the rolling roller group 421 rotate oppositely (in the direction shown in fig. 1) to roll residues such as ground crop straws; further, the rolling roller 421 may also be provided as two cylinders, which are oppositely rotated in the direction shown in fig. 1 to press the crop straw; if a plurality of rolling rollers 421 are provided, the plurality of rolling rollers 421 can be arranged in the vertical direction to roll the crop straws for a plurality of times, so that the rolling effect is improved; or arranged in a horizontal direction to increase the processing area of the rolling assembly 420, so that the residues can more easily fall into the rolling assembly 420; wherein the rolling roller 421 can be driven by a driving motor or a chain wheel chain and powered by a power distribution system.
In an alternative of this embodiment, it is preferable that the residual film removing and rolling device 40 provided in this embodiment further includes a conveying mechanism 430 disposed below the rolling component 420, the conveying mechanism 430 is used for being fixedly connected to the frame 30, the conveying mechanism 430 is used for providing power required by itself through a power distribution system, a conveying direction of the conveying mechanism 430 is axially parallel to the rotating shaft 411, and crop straws are ground by the rolling component 420, fall onto the conveying mechanism 430, and are conveyed to a field or other collection containers through the conveying mechanism 430.
In the alternative of this embodiment, preferably, the residual film removing and rolling device 40 provided in this embodiment further includes a conveying mechanism 430 disposed below the rolling component 420, the conveying mechanism 430 is used for being connected with the frame and further includes a collecting box 440 disposed on one side of the frame 30, a blower 450 is further disposed above the rolling component 420 and/or between the rolling component 420 and the conveying mechanism 430, and the blower 450 is used for being fixedly connected with the frame 30; an air outlet 452 of the fan 450 is communicated with the collection box 440, the fan 450 is opposite to the residue through an air suction opening 451, residual films in the residue in the falling process are sucked into the fan 450 through the residue, and the residual films are conveyed into the collection box 440 through the air outlet 452, wherein the fan 450 can be powered by a power distribution system; the fan 450 can be independently arranged above the rolling component 420, residual films in residues scraped by the scraping plate 412 are firstly sucked into the collecting box 440 for recycling, so that heavier crop straws enter the rolling component 420, and the rolling component 420 generates heat in the rolling process, so that the phenomenon that the residual films are adhered to the rolling component 420 to influence the rolling effect is avoided to a certain extent; in addition, a blower 450 (shown in fig. 1) can be separately arranged between the rolling component 420 and the conveying mechanism 430, and in addition, the blower 450 can be simultaneously arranged at the two positions, so that residual films in the residues can be recovered.
Specifically, the transport mechanism 430 is configured as a belt drive mechanism, powered by a power distribution system.
Further, a blowing mechanism can be arranged right opposite to the air suction opening 451 of the fan 450 to blow the residual film in the residue to the air suction opening 451, so that the recovery effect of the residual film can be further improved.
In an alternative of this embodiment, it is preferable that the scraping plate member 412 is an elastic rubber plate, wherein the elastic rubber plate can protect the elastic tooth 110 to a certain extent, and the elastic rubber plate has a certain thickness to ensure that the elastic rubber plate does not deform greatly when the elastic rubber plate contacts and presses the elastic tooth 110; further, the residual film demoulding and rolling device further comprises a supporting member 460, and the supporting member 460 is fixedly connected with the rotating shaft 411; in fig. 1, when the elastic rubber plate contacts the elastic tooth 110, the supporting member 460 is located at the lower side of the elastic rubber plate to support the elastic rubber plate to maintain its shape and maintain a certain pressing force with the elastic tooth 110.
Specifically, the supporting member 460 may be provided as a plurality of supporting plates, and one side of each of the scraping plate members 412 is provided with a plurality of supporting plates, and the plurality of supporting plates of one side are spaced apart from each other in the axial direction of the rotating shaft 411.
In an alternative of this embodiment, it is preferable that the transmission part 413 includes a sprocket 4131 and a chain 4132, the end of the rotating shaft 411 penetrates through the frame 30 and is fixedly connected with the sprocket 4131, the sprocket 4131 is driven by the chain 4132, wherein the chain 4132 is connected with the power distribution system and is powered by the power distribution system, and drives the chain 4131 and the rotating shaft 411 to rotate; further, both ends of the rotating shaft 411 may be connected with transmission members 413.
Example two
The embodiment also provides an elastic tooth chain harrow type mulching film reclaimer 1, which comprises an elastic tooth chain harrow device 10, a main body 20, a frame 30 and a residual film stripping and rolling device 40 as described in the first embodiment; the elastic-tooth chain harrow device 10, the main body 20 and the plastic residue film removing and rolling device 40 are all connected to the frame 30, the plastic residue film removing and rolling device 40 is positioned between the elastic-tooth chain harrow device 10 and the main body 20, and the rotary scraper component 410 is positioned on one side of the top of the elastic-tooth chain harrow device 10; the main body 20 comprises a power distribution system which is used for providing power required by the plastic residue film stripping and rolling device 40 and the elastic tooth chain harrow device 10; the cleaning effect on the residues on the elastic teeth 110 is improved; the spring-tine rake device 10, the body 20, the power distribution system and other parts of the spring-tine rake mulch retriever 1 are conventional in the art and will not be described here.
The principle and the implementation mode of the utility model are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the utility model; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the utility model.
Claims (10)
1. The utility model provides a incomplete membrane demolding rolling machine which characterized in that: comprising a rotating squeegee assembly (410), the rotating squeegee assembly (410) comprising:
the rotating shaft (411), the rotating shaft (411) is arranged on one side, close to the main body (20), of the top of the elastic tooth chain harrow device (10), and two ends of the rotating shaft (411) are both used for being rotatably connected with the rack (30);
the scraper component (412) is fixedly arranged on the rotating shaft (411) along the axial direction of the rotating shaft (411); and
and the transmission component (413) is used for connecting a power distribution system and the rotating shaft (411) so as to transmit the power of the power distribution system to the rotating shaft (411) and drive the rotating shaft (411) and the scraper component (412) to synchronously rotate relative to the rack (30) and enable the scraper component (412) to be in contact with the elastic teeth (110).
2. The plastic residue demoulding and rolling compaction device according to claim 1, wherein: a plurality of tooth gaps (4121) are formed in the scraper component (412), and the tooth gaps (4121) are distributed side by side along the axial direction of the rotating shaft (411); the number of the tooth gaps (4121) is the same as that of the elastic teeth (110) on each row of the elastic tooth rake device (10), each tooth gap (4121) is used for corresponding to one elastic tooth (110) of each row of the elastic teeth (110), and each elastic tooth (110) of each row can respectively extend into the corresponding tooth gap (4121) in the working process.
3. The plastic residue demoulding and rolling compaction device according to claim 2, wherein: the number of the scraper members (412) is set to be a plurality of, and the scraper members (412) are uniformly distributed along the circumferential direction of the rotating shaft (411).
4. The plastic residue demoulding and rolling compaction device according to claim 1, wherein: the rolling component (420) is powered by the power distribution system, the rolling component (420) is arranged on one side, close to the main body (20), of the rotating scraper component (410) and used for being connected with the rack (30), and the height of the rolling component (420) is lower than that of the rotating scraper component (410); the rotating direction of the rotating shaft (411) is opposite to the circumferential rotating direction of the elastic tooth chain harrow device (10); the rotary scraper component (410) can scrape residues on the elastic teeth (110) into the rolling component (420) for rolling.
5. The plastic residue demoulding and rolling compaction device according to claim 4, wherein: the rolling component (420) comprises at least one group of rolling rollers (421), each group of rolling rollers (421) comprises two rolling rollers (421) axially parallel to the rotating shaft (411), the two rolling rollers (421) are arranged side by side along the horizontal direction, and two ends of each rolling roller (421) are rotatably connected with the rack (30); two of the rolling rollers (421) of a set of the rolling rollers (421) are rotated oppositely to roll the residue.
6. The plastic residue demoulding and rolling compaction device according to claim 5, wherein: still include set up in rolling compaction subassembly (420) below conveying mechanism (430), conveying mechanism (430) be used for with frame (30) fixed connection, conveying mechanism (430) are powered by the power distribution system, and conveying mechanism's (430) direction of delivery with pivot (411) axial direction is parallel, conveying mechanism (430) are used for carrying through rolling compaction subassembly (420) and fall to the residue on conveying mechanism (430) is to the field.
7. The plastic residue demoulding and rolling compaction device according to claim 6, wherein: the rolling machine is characterized by further comprising a collecting box (440) arranged on one side of the rack (30), a fan (450) is further arranged above the rolling component (420) and/or between the rolling component (420) and the conveying mechanism (430), and the fan (450) is fixedly connected with the rack (30); an air outlet (452) of the fan (450) is communicated with the collection box (440), the fan (450) sucks the residual films in the residues in the falling process into the fan (450) through an air suction opening (451), and the residual films are conveyed into the collection box (440) through the air outlet (452).
8. The plastic residue demoulding and rolling compaction device according to claim 1, wherein: further comprising a support (460), said wiper member (412) being configured as a resilient rubber plate; the supporting piece (460) is arranged on one side of the scraping plate piece (412), and the supporting piece (460) is fixedly connected with the rotating shaft (411); the support member (460) is used to support the flight member (412) when the flight member (412) is in contact with the spring tine (110).
9. The plastic residue demoulding and rolling compaction device according to claim 1, wherein: the transmission component (413) comprises a chain wheel (4131) and a chain (4132), the rotating shaft (411) is fixedly connected with the chain wheel (4131), and the power distribution system drives the chain wheel (4131) to rotate and drives the rotating shaft (411) to rotate through the chain (4132).
10. The utility model provides a machine is retrieved to spring tooth chain harrow formula plastic film which characterized in that: comprises a spring-tooth chain harrow device (10), a main body (20), a frame (30) and a residual film stripping and rolling device (40) as claimed in any one of claims 1 to 9; the elastic toothed chain harrow device (10), the main body (20) and the plastic residue film removing and rolling device (40) are connected to the rack (30), the plastic residue film removing and rolling device (40) is positioned between the elastic toothed chain harrow device (10) and the main body (20), and the rotary scraper component (410) is positioned on one side of the top of the elastic toothed chain harrow device (10); the main body (20) comprises a power distribution system which is used for providing power required by the plastic residue film stripping and rolling device (40) and the elastic tooth chain harrow device (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122537005.6U CN216253785U (en) | 2021-10-21 | 2021-10-21 | Residual film stripping and rolling device and elastic tooth chain rake type mulching film recycling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122537005.6U CN216253785U (en) | 2021-10-21 | 2021-10-21 | Residual film stripping and rolling device and elastic tooth chain rake type mulching film recycling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216253785U true CN216253785U (en) | 2022-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122537005.6U Active CN216253785U (en) | 2021-10-21 | 2021-10-21 | Residual film stripping and rolling device and elastic tooth chain rake type mulching film recycling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216253785U (en) |
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2021
- 2021-10-21 CN CN202122537005.6U patent/CN216253785U/en active Active
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