CN113039952A - Seedling tray tobacco seedling trimming means - Google Patents
Seedling tray tobacco seedling trimming means Download PDFInfo
- Publication number
- CN113039952A CN113039952A CN202110454212.7A CN202110454212A CN113039952A CN 113039952 A CN113039952 A CN 113039952A CN 202110454212 A CN202110454212 A CN 202110454212A CN 113039952 A CN113039952 A CN 113039952A
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- Prior art keywords
- seedling
- rack
- leaf cutting
- cutting knife
- seedling tray
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- 241000208125 Nicotiana Species 0.000 title claims abstract description 50
- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 50
- 238000009966 trimming Methods 0.000 title claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 69
- 238000005520 cutting process Methods 0.000 claims abstract description 49
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 238000004659 sterilization and disinfection Methods 0.000 claims description 28
- 238000005507 spraying Methods 0.000 claims description 10
- 230000001954 sterilising effect Effects 0.000 claims description 10
- 239000000645 desinfectant Substances 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000010008 shearing Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000007667 floating Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000000249 desinfective effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000013138 pruning Methods 0.000 description 2
- 238000011012 sanitization Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241001002356 Valeriana edulis Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
- A01G3/08—Other tools for pruning, branching or delimbing standing trees
- A01G3/085—Motor-driven saws for pruning or branching
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Environmental Sciences (AREA)
- Manufacture Of Tobacco Products (AREA)
Abstract
The invention discloses a seedling tray tobacco seedling trimming device, which comprises: the rack comprises a left rack and a right rack, the left rack and the right rack are arranged at intervals relatively, and an accommodating space is formed between the left rack and the right rack; the transmission assembly comprises a first driving mechanism and a bearing conveyor belt, the bearing conveyor belt can be circularly and rotatably arranged on the left rack and the right rack, and the first driving mechanism can drive the bearing conveyor belt to rotate; the leaf cutting assembly comprises a second driving mechanism and a leaf cutting knife, the leaf cutting knife is arranged in the accommodating space, the leaf cutting knife is a preset distance away from the plane where the bearing conveyor belt is located, and the second driving mechanism can drive the leaf cutting knife to rotate. The device has the advantages of convenient operation, high trimming efficiency, regular trimming, capability of clearing debris and the like.
Description
Technical Field
The invention relates to a seedling tray tobacco seedling trimming device, and belongs to the technical field of tobacco seedling trimming.
Background
Currently, most tobacco areas are used for flue-cured tobacco seedling in a floating seedling mode. The floating seedling culture is an advanced soilless seedling culture technology, has the characteristics of intensification, high production efficiency and developed and regular tobacco root systems. Leaf cutting is an indispensable link in the floating seedling raising technology, and the growth of tobacco seedlings can be regulated and controlled through leaf cutting, so that the tobacco seedlings are uniform and consistent, the growth and development of root systems are promoted, the transplanting survival rate is improved, and the vigorous leaf area for transplanting is reduced. However, the traditional leaf-cutting method is to cut the tobacco seedling with scissors manually, and the method has the following problems: firstly, the pruning efficiency is low, and the labor intensity is high; secondly, the pruning is not regular; thirdly, the trimming scraps are easy to fall into the seedling tray, and the trimming scraps are rotten and deteriorated to influence the normal growth of tobacco seedlings.
Disclosure of Invention
Based on the above, the seedling tray tobacco seedling trimming device provided by the invention is convenient to operate, high in trimming efficiency, regular in trimming and capable of cleaning scraps, so that the defects of the prior art are overcome.
The technical scheme of the invention is as follows: a seedling tray tobacco seedling trimming apparatus, wherein the apparatus comprises:
the rack comprises a left rack and a right rack, the left rack and the right rack are arranged at intervals relatively, and an accommodating space is formed between the left rack and the right rack;
the transmission assembly comprises a first driving mechanism and a bearing conveyor belt, the bearing conveyor belt can be circularly and rotatably arranged on the left rack and the right rack, and the first driving mechanism can drive the bearing conveyor belt to rotate;
the leaf cutting assembly comprises a second driving mechanism and a leaf cutting knife, the leaf cutting knife is arranged in the accommodating space, the leaf cutting knife is a preset distance away from the plane where the bearing conveyor belt is located, and the second driving mechanism can drive the leaf cutting knife to rotate.
In one example, the apparatus further comprises:
the position sensor is arranged on the rack and used for sensing the seedling tray signals transmitted to the tail end of the bearing conveyor belt;
a controller electrically connected to the position sensor, the first drive mechanism, and the second drive mechanism, respectively;
wherein the controller controls the first driving mechanism and the second driving mechanism to suspend operation when the position sensor detects a tray signal.
In one example, the apparatus includes a sanitizing mechanism, the sanitizing mechanism comprising:
the disinfection cover is covered on the left rack and the right rack and is positioned above the accommodating space;
the disinfection bottle is arranged on the rack;
one port of the spraying tube is connected with the disinfection bottle, and the other port of the spraying tube penetrates through the disinfection cover;
the spraying tube can spray the disinfectant in the disinfection bottle into the disinfection cover to disinfect the leaf-cutting knife.
In one example, one side of the disinfection cover is hinged on the right frame, and the other side of the disinfection cover is fixed on the left frame through a fixing device.
In one example, the sterilization enclosure is a transparent enclosure.
In one example, the machine frame further comprises limiting guardrails which are arranged on the outer sides of the left machine frame and the right machine frame along the length direction, and a seedling tray laid on a plane can be accommodated between the two limiting guardrails.
In one example, the leaf cutting assembly further includes a lifting mechanism, the lifting mechanism is fixedly disposed on the frame, the leaf cutting knife is disposed on the lifting mechanism, and the lifting mechanism can drive the leaf cutting knife to move up and down, so as to adjust the predetermined distance.
In one example, the lifting mechanism is a hydraulic cylinder, a support is arranged in the accommodating space, and a base of the hydraulic cylinder is fixed on the support.
In one example, the apparatus further comprises:
and the material receiving disc is arranged below the accommodating space and is used for receiving the trimmed tobacco leaves.
In one example, the left frame and the right frame are provided with walking wheels at the bottom.
The invention has the beneficial effects that: after the seedling tray tobacco seedling trimming device is adopted, on one hand, the seedling tray tobacco seedlings can be trimmed quickly; the second aspect is that the trimmed tobacco seedling scraps can be separated from the seedling tray, so that the tobacco seedling scraps are prevented from remaining on the substrate, stems and leaves to cause mildew and rot, and the incidence of the tobacco seedlings is reduced; the third aspect is that the uniform and standard trimming treatment can be carried out on each seedling tray; the fourth aspect is that the purposes of reducing the labor intensity of tobacco growers and improving the labor efficiency can be achieved.
Drawings
Fig. 1 is a side view of a seedling tray tobacco seedling trimming device;
FIG. 2 is a top view of the seedling tray tobacco seedling trimming device;
description of reference numerals:
1 machine frame
11, a left frame, 12 a right frame, 13 limit guardrails and 14 travelling wheels;
2 drive assembly
21 a first drive mechanism, 22 carrying the conveyor belt;
3 leaf-cutting component
31 a second driving mechanism, 32 leaf-cutting knives, 33 a lifting mechanism and 34 supports;
4 position sensor
5 sterilizing mechanism
A 51 disinfection cover, a 52 disinfection bottle and a 53 spraying tube;
6, receiving a material disc.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 and 2, a seedling tray tobacco seedling trimming device according to an embodiment of the present invention includes a frame 1, a transmission assembly 2, and a leaf cutting assembly 3.
The frame 1 plays a supporting role and is mainly used for installing parts such as the transmission assembly 2, the leaf cutting assembly 3 and the like. Frame 1 includes left frame 11 and right frame 12, and left frame 11 and the relative interval setting of right frame 12 to, be formed with the accommodation space between left frame 11 and right frame 12, can repair and cut the tobacco seedling in this accommodation space. It should be noted that the left frame 11 and the right frame 12 are fixedly connected together.
The transmission component 2 plays a role of transmitting the seedling tray. The transmission assembly 2 includes a first driving mechanism 21 and a carrying conveyor 22, the carrying conveyor 22 is rotatably disposed on the left frame 11 and the right frame 12, and the first driving mechanism 21 can drive the carrying conveyor 22 to rotate. During the operating condition, put seedling tray upside down on two bear conveyer belt 22, bear conveyer belt 22 cycle rotation by the drive of first actuating mechanism 21 drive, can drive the seedling tray constantly and move forward. In the present embodiment, the first driving mechanism 21 may be a driving motor.
And the leaf cutting assembly 3 is mainly used for building tobacco leaves on the seedling tray. The leaf cutting assembly 3 comprises a second driving mechanism 31 and a leaf cutting knife 32, the leaf cutting knife 32 is arranged in the accommodating space, the leaf cutting knife 32 is a predetermined distance away from the plane where the bearing conveyor belt 22 is located, and the second driving mechanism 31 can drive the leaf cutting knife 32 to rotate. In operation, the rotating leaf-cutting blade 32 cuts tobacco leaves that have fallen down on the trays on the carrier belt 22. In this embodiment, the second driving mechanism 31 may be a driving motor.
And the position sensor 4 is mainly used for sensing the position of the seedling tray. The position sensor 4 is provided on the housing 1 for sensing the tray signal transmitted to the end of the carrying conveyor 22. In the working state, after the seedling trays are conveyed to the tail ends by the carrying conveyor belt 22, the position sensors 4 can sense signals, and further provide basis for automatic control.
And the controller is mainly used for controlling the operation of the device. The controller is electrically connected to the position sensor 4, the first drive mechanism 21, and the second drive mechanism 31, respectively. The position sensor 4 may transmit its detected signal to a controller, and the controller may control the actions, such as activation and deactivation, of the first drive mechanism 21 and the second drive mechanism 31. In the operating state, when the position sensor 4 detects a tray signal, the controller controls the first drive mechanism 21 and the second drive mechanism 31 to suspend operation. And after the worker takes out the seedling tray, the controller controls the first driving mechanism 21 and the second driving mechanism 31 to continue to act, so that the leaf conveying and cutting function is continuously completed. The structure has the advantages that firstly, the invalid operation of the device is avoided, and the energy consumption is reduced; secondly, the seedling trays are prevented from being separated from the bearing conveyor belt 22.
The disinfection mechanism 5 is mainly used for disinfecting the leaf-cutting knife 32. The disinfection mechanism 5 comprises a disinfection cover 51, a disinfection bottle 52 and a spraying pipe 53, wherein the disinfection cover 51 is covered on the left frame 11 and the right frame 12 and is positioned above the accommodating space; the disinfection bottle 52 is placed on the frame 1; one port of the spraying tube 53 is connected to the sterilization bottle 52, and the other port passes through the sterilization cover 51. In the working state, the spraying pipe 53 can spray the disinfectant in the disinfectant bottle 52 into the disinfectant cover 51 to disinfect the leaf-cutting knife 32. The leaf-cutting knife 32 is sterilized before leaf cutting, so that the bacteria on the leaf-cutting knife 32 can be prevented from damaging the growth of tobacco seedlings. In this embodiment, sterilization bottle 52 and spray tube 53 may be conventional automatic spray devices.
Alternatively, one side of the disinfecting cover 51 is hinged to the right frame 12, and the other side is fixed to the left frame 11 by a fixing device, such as a latch, a lock catch, or the like. In this embodiment, the sterilizing cover 51 may be a cover made of transparent glass. The disinfection cover 51 mainly has three functions, namely, the disinfection cover 51 can be opened to facilitate maintenance and detection of parts in the accommodating space, such as the leaf cutter 32; secondly, the splashing of the disinfectant can be avoided; thirdly, a safe and reliable working environment is provided for the operation of the leaf-cutting knife 32, and the potential safety hazard is reduced.
Optionally, the rack 1 further includes a limiting guardrail 13, the limiting guardrail 13 is disposed at the outer sides of the left rack 11 and the right rack 12 along the length direction, and a seedling tray laid on a plane can be accommodated between the two limiting guardrails 13. During the operating condition, the seedling tray is spread on two bearing conveyer belts 22, and spacing guardrail 13 can restrict the removal of seedling tray in the data send process, avoids it to break away from outside bearing conveyer belt 22.
Optionally, the leaf cutting assembly 3 further includes a lifting mechanism 33, the lifting mechanism 33 is fixedly disposed on the frame 1, the leaf cutting knife 32 is disposed on the lifting mechanism 33, and the lifting mechanism 33 can drive the leaf cutting knife 32 to move up and down, so as to adjust the predetermined distance. Specifically, the lifting mechanism 33 may be a hydraulic cylinder, a support 34 is disposed in the accommodating space, and a base of the hydraulic cylinder is fixed to the support 34. Before tobacco seedlings are trimmed, the height position of the leaf cutting knife 32 can be adjusted through the lifting mechanism 33, so that the requirements of trimming different seedling trays or tobacco seedlings of different specifications are met.
Optionally, the device further comprises a receiving tray 6 arranged below the accommodating space and used for receiving the trimmed tobacco leaves. When in working state, the tobacco leaves trimmed by the leaf-trimming cutter 32 fall into the receiving tray 6 below the accommodating space.
Optionally, in the present device, walking wheels 14 are provided at the bottom of the left frame 11 and the right frame 12. Specifically, the road wheels 14 may be moving wheels with a braking function. The device can be moved in the aspect of the structure, so that the practicability can be improved.
Alternatively, the same driving machine can be used for the first driving mechanism 21 and the second driving mechanism 31, and then the driving machines are respectively connected with the driving wheel of the bearing conveyor belt 22 and the leaf-cutting knife 32 through different driving mechanisms, so that the manufacturing cost can be reduced.
The use method of the seedling tray tobacco seedling trimming device comprises the steps of spraying disinfectant to the leaf shearing knives 32 before leaf shearing, adjusting the leaf shearing knives 32 to proper positions through the lifting mechanism 33, starting the first driving mechanism 21 and the second driving mechanism 31 to enable the bearing conveyor belt 22 to start to rotate circularly, enabling the leaf shearing knives 32 to rotate, placing the seedling trays upside down at the head ends of the bearing conveyor belt 22, driving the seedling trays to move towards the accommodating space continuously through the bearing conveyor belt 22, trimming tobacco seedlings by the leaf shearing knives 32 when the seedling trays move to the accommodating space, conveying the seedling trays to the tail ends of the bearing conveyor belt 22 after the seedling trays are conveyed, and controlling the first driving mechanism 21 and the second driving mechanism 31 to pause through the controller after the position sensor 4 detects sensing signals, and taking out the seedling trays by workers. And simultaneously entering the next trimming cycle.
The seedling tray tobacco seedling trimming device has the advantages that on one hand, the seedling tray tobacco seedlings can be trimmed quickly; the second aspect is that the trimmed tobacco seedling scraps can be separated from the seedling tray, so that the tobacco seedling scraps are prevented from remaining on the substrate, stems and leaves to cause mildew and rot, and the incidence of the tobacco seedlings is reduced; the third aspect is that the uniform and standard trimming treatment can be carried out on each seedling tray; the fourth aspect is that the purposes of reducing the labor intensity of tobacco growers and improving the labor efficiency can be achieved.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A seedling tray tobacco seedling trimming apparatus, wherein the apparatus comprises:
the rack (1) comprises a left rack (11) and a right rack (12), wherein the left rack (11) and the right rack (12) are arranged at intervals oppositely, and an accommodating space is formed between the left rack (11) and the right rack (12);
the transmission assembly (2) comprises a first driving mechanism (21) and a bearing conveyor belt (22), the bearing conveyor belt (22) is circularly and rotatably arranged on the left rack (11) and the right rack (12), and the first driving mechanism (21) can drive the bearing conveyor belt (22) to rotate;
leaf cutting assembly (3) comprises a second driving mechanism (31) and a leaf cutting knife (32), wherein the leaf cutting knife (32) is arranged in the accommodating space, the leaf cutting knife (32) is away from the plane where the bearing conveyor belt (22) is located by a preset distance, and the second driving mechanism (31) can drive the leaf cutting knife (32) to rotate.
2. The seedling tray tobacco seedling trimming apparatus according to claim 1, wherein the apparatus further comprises:
a position sensor (4) arranged on the frame (1) and used for sensing the seedling tray signal transmitted to the tail end of the bearing conveyor belt (22);
a controller electrically connected to the position sensor (4), the first drive mechanism (21), and the second drive mechanism (31), respectively;
wherein the controller controls the first drive mechanism (21) and the second drive mechanism (31) to suspend operation when the position sensor (4) detects a tray signal.
3. The seedling tray tobacco seedling trimming device according to claim 1, wherein the device comprises a sterilizing mechanism (5), the sterilizing mechanism (5) comprising:
the disinfection cover (51) is covered on the left rack (11) and the right rack (12) and is positioned above the accommodating space;
a disinfection bottle (52) arranged on the frame (1);
a spraying tube (53) with one port connected with the disinfection bottle (52) and the other port passing through the disinfection cover (51);
wherein the spraying pipe (53) can spray the disinfectant in the disinfection bottle (52) into the disinfection cover (51) to disinfect the leaf cutting knife (32).
4. The seedling tray tobacco seedling trimming device according to claim 3, wherein one side of the sterilizing cover (51) is hinged to the right frame (12) and the other side is fixed to the left frame (11) by a fixing device.
5. The seedling tray tobacco seedling trimming device according to claim 3, wherein the sterilizing cover (51) is a transparent cover.
6. The seedling tray tobacco seedling trimming device according to claim 1, wherein the machine frame (1) further comprises a limiting guardrail (13), the limiting guardrail (13) is arranged on the outer sides of the left machine frame (11) and the right machine frame (12) along the length direction, and a flat-laid seedling tray can be accommodated between the two limiting guardrails (13).
7. The seedling tray tobacco seedling trimming device according to claim 1, wherein the leaf cutting assembly (3) further comprises a lifting mechanism (33), the lifting mechanism (33) is fixedly arranged on the frame (1), the leaf cutting knife (32) is arranged on the lifting mechanism (33), and the lifting mechanism (33) can drive the leaf cutting knife (32) to move up and down so as to adjust the predetermined distance.
8. The seedling tray tobacco seedling trimming device according to claim 7, wherein the lifting mechanism (33) is a hydraulic cylinder, a support (34) is arranged in the accommodating space, and a base of the hydraulic cylinder is fixed on the support (34).
9. The seedling tray tobacco seedling trimming apparatus according to claim 1, wherein the apparatus further comprises:
and the material receiving disc (6) is arranged below the accommodating space and is used for receiving the trimmed tobacco leaves.
10. The seedling tray tobacco seedling trimming device according to claim 1, wherein a traveling wheel (14) is provided at the bottom of the left frame (11) and the right frame (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110454212.7A CN113039952A (en) | 2021-04-26 | 2021-04-26 | Seedling tray tobacco seedling trimming means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110454212.7A CN113039952A (en) | 2021-04-26 | 2021-04-26 | Seedling tray tobacco seedling trimming means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113039952A true CN113039952A (en) | 2021-06-29 |
Family
ID=76520626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110454212.7A Pending CN113039952A (en) | 2021-04-26 | 2021-04-26 | Seedling tray tobacco seedling trimming means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113039952A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201163899Y (en) * | 2007-12-10 | 2008-12-17 | 左卫宁 | Machine for trimming cigarette seedlings |
| CN107820895A (en) * | 2017-10-27 | 2018-03-23 | 沈佩军 | A kind of leaf cutter for tobacco seedlings |
| CN209572737U (en) * | 2019-02-21 | 2019-11-05 | 贵州省烟草公司黔东南州公司 | A kind of seed plate set for being inverted trimming tobacco seedlings for seedlings nursing plate |
| CN214708938U (en) * | 2021-04-26 | 2021-11-16 | 贵州省烟草公司黔东南州公司 | Seedling tray tobacco seedling trimming means |
-
2021
- 2021-04-26 CN CN202110454212.7A patent/CN113039952A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201163899Y (en) * | 2007-12-10 | 2008-12-17 | 左卫宁 | Machine for trimming cigarette seedlings |
| CN107820895A (en) * | 2017-10-27 | 2018-03-23 | 沈佩军 | A kind of leaf cutter for tobacco seedlings |
| CN209572737U (en) * | 2019-02-21 | 2019-11-05 | 贵州省烟草公司黔东南州公司 | A kind of seed plate set for being inverted trimming tobacco seedlings for seedlings nursing plate |
| CN214708938U (en) * | 2021-04-26 | 2021-11-16 | 贵州省烟草公司黔东南州公司 | Seedling tray tobacco seedling trimming means |
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