CN107087799B - Nut shelling and screening machine - Google Patents
Nut shelling and screening machine Download PDFInfo
- Publication number
- CN107087799B CN107087799B CN201610345751.6A CN201610345751A CN107087799B CN 107087799 B CN107087799 B CN 107087799B CN 201610345751 A CN201610345751 A CN 201610345751A CN 107087799 B CN107087799 B CN 107087799B
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- transmission
- wheel
- fan
- transmission device
- vibrating screen
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Classifications
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23N—MACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
- A23N5/00—Machines for hulling, husking or cracking nuts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention relates to agricultural equipment, in particular to a nut shelling and screening machine. Including the support frame and install shale shaker, fan I, fan II, motor, first transmission, second transmission and the mechanism of breaking shell on the support frame, wherein, the mechanism of breaking shell set up in the upper end of support frame, fan I with the coaxial arrangement of mechanism of breaking shell, the shale shaker set up in the below of mechanism of breaking shell, fan II set up in the tip of shale shaker, the output shaft of motor is connected through the pivot and the fan II transmission of first transmission with the mechanism of breaking shell, second transmission is connected with the pivot of mechanism of breaking shell and is connected through third transmission and shale shaker transmission, realizes the reciprocating vibration of shale shaker. The invention has simple structure, high working efficiency and thorough shelling.
Description
Technical Field
The invention relates to agricultural equipment, in particular to a nut shelling and screening machine.
Background
Nuts are popular food, and the planting range of nuts in China is getting larger and larger. The shells of the nuts need to be removed in the primary processing, most nut farmers manually peel the nuts, and the efficiency is very low and the labor intensity is very high. At present, also have the shell that adopts the peel machine to get rid of the nut, but current nut peel machine all has the nut to shell the back and easily injures and flesh, causes difficult storage. Meanwhile, the defects of complex machine structure and incomplete shelling exist.
Disclosure of Invention
In view of the above problems, the present invention is directed to a nut shelling and screening machine. This nut shelling sieve separator simple structure, work efficiency is high, and the shelling is thorough.
In order to achieve the purpose, the invention adopts the following technical scheme:
a nut shelling and screening machine comprises a support frame, and a vibrating screen, a fan I, a fan II, a motor, a first transmission device, a second transmission device and a shelling mechanism which are arranged on the support frame, wherein the shelling mechanism is arranged at the upper end of the support frame and is used for shelling and primary screening of nuts; the fan I is coaxially installed with the shell breaking mechanism and is used for discharging the nut shells screened by the shell breaking mechanism; the vibrating screen is arranged below the shell breaking mechanism and is used for screening the nuts primarily selected by the shell breaking mechanism again; the fan II is arranged at the end part of the vibrating screen and used for discharging the nut shells screened by the vibrating screen; the output shaft of the motor is in transmission connection with the rotating shaft of the shell breaking mechanism and the fan II through the first transmission device, and the rotating shaft of the shell breaking mechanism is in transmission connection with the vibrating screen through the second transmission device and the third transmission device, so that reciprocating vibration of the vibrating screen is realized.
The first transmission device comprises a driving wheel, a transmission belt I, a transmission wheel I and a transmission wheel II, wherein the driving wheel is arranged on an output shaft of the motor, the transmission wheel I is arranged on the rotating shaft, the transmission wheel II is arranged on a fan blade shaft of the fan II, and the driving wheel, the transmission wheel I and the transmission wheel II are in transmission connection through the transmission belt I.
The second transmission device comprises a transmission wheel III, a transmission wheel IV, a transmission wheel V and a transmission belt II, wherein the transmission wheel III is sleeved on the rotating shaft, the transmission wheel IV and the transmission wheel V are rotatably arranged on the support frame, the transmission wheel III, the transmission wheel IV and the transmission wheel V are in transmission connection through the transmission belt II, and the transmission wheel IV is connected with the third transmission device.
The shell breaking mechanism comprises a rotary screen, a rotating shaft and a shell, wherein the rotating shaft is provided with hobbing, the rotary screen is sleeved on the rotating shaft, the two ends of the rotating shaft and the two ends of the rotary screen are both rotatably arranged on the supporting frame, and the shell is arranged on the outer side of the rotary screen.
The drum screen is connected with the second transmission device through a fourth transmission device.
The fourth transmission device comprises a transmission shaft, a pinion and a gearwheel, wherein the transmission shaft is parallel to the rotating shaft, one end of the transmission shaft is connected with the rotating shaft through the second transmission device, the other end of the transmission shaft is connected with the pinion, and the gearwheel is sleeved at one end of the drum screen and meshed with the pinion.
The shell breaking mechanism further comprises a feeding bin, and the feeding bin is communicated with the rotary screen.
The third transmission device comprises a chain, an eccentric wheel and a chain wheel, wherein the eccentric wheel is installed on the second transmission device, the chain wheel is installed on the vibrating screen, two ends of the chain are respectively connected with the eccentric wheel and the vibrating screen, the chain is meshed with the chain wheel, and reciprocating vibration of the vibrating screen is achieved through rotation of the eccentric wheel.
The shale shaker slope sets up, fan II set up in the discharge end of shale shaker, the position of keeping away from the discharge end on the shale shaker is equipped with the extension spring that resets that the support frame is connected.
And two sides of the vibrating screen are hinged with the supporting frame through pull rods.
The invention has the advantages and beneficial effects that:
1. the nut shelling machine is simple in structure, small in size and convenient to operate, can greatly improve nut shelling efficiency, does not damage fruit pulp in the shelling process, and is time-saving and labor-saving.
2. The invention adopts the inclined vibrating screen, is convenient to recover and is not easy to be confused.
2. The invention adopts the double suction fans and the roller sieves to thoroughly clean the shell.
3. The invention has convenient operation and wide application, and is the best choice for farmers to collect various nuts.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the present invention with the upper cover and the housing removed;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a schematic view of the transmission of the present invention;
FIG. 5 is a schematic view of the transmission principle of the vibrating screen of the present invention;
fig. 6 is a plan view of the transmission principle of the present invention.
Wherein: the device comprises an upper shell 1, a feeding bin 2, a lower shell 3, a vibrating screen 4, a return tension spring 5, a support frame 6, a traveling wheel 7, a pull rod 8, a fan I9, a bearing seat 10, a fan II11, a fan II suction inlet 12, a fan II discharge outlet 13, a motor 14, a drum screen support seat 15, a drum screen 16, a rotating shaft 17, a hobbing gear 18, a fan blade II, a fan blade shaft 20, a driving wheel 21, a driving belt I, a driving wheel I23, a driving wheel II24, a driving wheel III25, a chain 26, an eccentric wheel 27, a driving wheel IV28, a driving wheel V29, a driving belt II30, a driving shaft 31, a small gear 32, a large gear 33, a discharge outlet 34 of the fan I and a chain wheel 35.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, the nut shelling and screening machine provided by the invention comprises a support frame 6, and a vibrating screen 4, a fan I9, a fan II11, a motor 14, a first transmission device, a second transmission device and a shell breaking mechanism which are mounted on the support frame 6, wherein the shell breaking mechanism is arranged at the upper end of the support frame 6 and is used for cracking and primarily screening nuts; the fan I9 is coaxially mounted with the shell breaking mechanism and used for discharging the shells of the nuts screened by the shell breaking mechanism; the vibrating screen 4 is arranged below the shell breaking mechanism and is used for screening the nuts primarily selected by the shell breaking mechanism again; the fan II11 is arranged at the end part of the vibrating screen 4 and is used for discharging the nut shells screened by the vibrating screen 4; an output shaft of the motor 14 is in transmission connection with a rotating shaft 17 of the shell breaking mechanism and the fan II11 through a first transmission device, and the rotating shaft 17 of the shell breaking mechanism is in transmission connection with the vibrating screen 4 through a second transmission device and a third transmission device; and the reciprocating vibration of the vibrating screen 4 is realized through the transmission of the second transmission device and the third transmission device.
As shown in fig. 3, the shell breaking mechanism includes a drum screen 16, a rotating shaft 17 and a shell, wherein the rotating shaft 17 is provided with a hobbing 18, the drum screen 16 is sleeved on the rotating shaft 17, and one end of the rotating shaft 17 and one end of the drum screen 16 are rotatably installed on a bearing seat provided on the supporting frame 6, the other end of the rotating shaft 17 is rotatably installed on the bearing seat 10, and the other end of the drum screen 16 is rotatably installed on the drum screen supporting seat 16. The fan I9 is coaxial with the rotating shaft 17, the rotating shaft 17 is connected with the first transmission device and the second transmission device, and the shell is arranged on the outer sides of the rotary screen 16 and the fan I9. And a fan I discharge port 34 of the fan I9 is positioned on one side of the shell, and the primarily selected nut shell is discharged from one side of the shell.
The shell includes casing 1 and casing 3 down, go up casing 1 and casing 3 and can dismantle the connection down, the bottom of casing 3 is open structure down, is convenient for fall into shale shaker 4 by the nut and the tiny particle shell of 16 screenings of drum sieve.
The shell breaking mechanism further comprises a feeding bin 2, and the feeding bin 2 is arranged at one end of the upper shell 1 and is communicated with the rotary screen 16. The materials directly enter the drum screen 16 from the feeding bin 2, and the drum screen 16 is connected with the second transmission device through a fourth transmission device.
As shown in fig. 4-6, the first transmission device includes a driving wheel 21, a transmission belt I22, a transmission wheel I23 and a transmission wheel II24, wherein the driving wheel 21 is disposed on the output shaft of the motor 14, the transmission wheel I23 is disposed on the rotating shaft 17, the transmission wheel II24 is disposed on the fan shaft 20 of the fan II11, and the driving wheel 21, the transmission wheel I23 and the transmission wheel II24 are in transmission connection through the transmission belt I22.
The second transmission device comprises a transmission wheel III25, a transmission wheel IV28, a transmission wheel V29 and a transmission belt II30, wherein the transmission wheel III25 is sleeved on the rotating shaft 17, the transmission wheel IV28 and the transmission wheel V29 are rotatably arranged on the supporting frame 6, the transmission wheel III25, the transmission wheel IV28 and the transmission wheel V29 are in transmission connection through the transmission belt II30, and the transmission wheel IV28 is connected with the third transmission device.
As shown in fig. 4 and 5, the third transmission device comprises a chain 26, an eccentric 27 and a sprocket 35, wherein the eccentric 27 is mounted on the transmission wheel IV28 of the second transmission device, the sprocket 35 is mounted on the vibrating screen 4, two ends of the chain 26 are respectively connected with the eccentric 27 and the vibrating screen 4, and the chain 26 is meshed with the sprocket 35. The rotation of the eccentric wheel 27, further through the transmission of the chain 26, realizes the reciprocating vibration of the vibrating screen 4.
The vibrating screen 4 is obliquely arranged, and a reset tension spring 5 connected with the support frame 6 is arranged at the position, far away from the discharge hole, of the bottom of the vibrating screen 4. The fan II11 is arranged at the discharge port of the vibrating screen 4, the fan blade shaft 20 of the fan II11 is parallel to the rotating shaft 17, the suction port 12 of the fan II corresponds to the discharge port (the lower end position) of the vibrating screen 4, and the discharge port 13 of the fan II is arranged at the side opposite to the discharge port 34 of the fan I. And two sides of the vibrating screen 4 are hinged with the supporting frame 6 through pull rods 8.
The fourth transmission device comprises a transmission shaft 31, a small gear 32 and a large gear 33, wherein the transmission shaft 31 is parallel to the rotating shaft 17, and one end of the transmission shaft 31 is connected with a transmission wheel V29 in the second transmission device and is connected with the rotating shaft 17 through the second transmission device. The other end of the transmission shaft 31 is connected with a pinion 32, and the bull gear 33 is sleeved at one end of the drum screen 16 and meshed with the pinion 32.
In this embodiment, the first transmission device and the second transmission device are both belt transmission devices.
The working principle of the invention is as follows:
the material enters a rotary screen 16 of the shell breaking mechanism from the feeding bin 2, a motor 14 is started, a rotating shaft 17 rotates, and shell breaking operation is carried out through hobbing teeth 18. Meanwhile, the rotary screen 16 rotates to primarily screen nuts and small-particle nut shells into the vibrating screen 4, and large-particle nut shells are sucked and discharged through the fan I9. 4 reciprocating vibration of shale shaker carries out further screening, and broken nut and the nut shell move down to the discharge gate of shale shaker 4, through the remaining nut shell of suction fan II11 discharges, the nut passes through the lower end of shale shaker and rolls away.
The nut shelling machine has the advantages that the shell breaking, screening and discharging operations are realized through one motor, the structure is simple, the size is small, the operation is convenient, the nut shelling efficiency can be greatly improved, meanwhile, the pulp is not damaged in the shelling process, and the time and the labor are saved. The invention is especially suitable for the shell breaking and screening of hazelnuts.
The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, extension, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.
Claims (4)
1. A nut shelling and screening machine is characterized by comprising a support frame (6), a vibrating screen (4), a fan I (9), a fan II (11), a motor (14), a first transmission device, a second transmission device and a shelling mechanism, wherein the vibrating screen, the fan I, the fan II, the motor (14), the first transmission device, the second transmission device and the shelling mechanism are mounted on the support frame (6), and the shelling mechanism is used for shelling and primary screening of nuts; the fan I (9) is coaxially mounted with the shell breaking mechanism and used for discharging the nut shells screened by the shell breaking mechanism; the vibrating screen (4) is arranged below the shell breaking mechanism and is used for screening the nuts primarily selected by the shell breaking mechanism again; the fan II (11) is arranged at the end part of the vibrating screen (4) and is used for discharging the nut shells screened by the vibrating screen (4); an output shaft of the motor (14) is in transmission connection with a rotating shaft (17) of the shell breaking mechanism and the fan II (11) through a first transmission device, the rotating shaft (17) of the shell breaking mechanism is in transmission connection with the vibrating screen (4) through a second transmission device and a third transmission device, and reciprocating vibration of the vibrating screen (4) is achieved;
the first transmission device comprises a driving wheel (21), a transmission belt I (22), a transmission wheel I (23) and a transmission wheel II (24), wherein the driving wheel (21) is arranged on an output shaft of the motor (14), the transmission wheel I (23) is arranged on the rotating shaft (17), the transmission wheel II (24) is arranged on a fan blade shaft (20) of the fan II (11), and the driving wheel (21), the transmission wheel I (23) and the transmission wheel II (24) are in transmission connection through the transmission belt I (22);
the second transmission device comprises a transmission wheel III (25), a transmission wheel IV (28), a transmission wheel V (29) and a transmission belt II (30), wherein the transmission wheel III (25) is sleeved on the rotating shaft (17), the transmission wheel IV (28) and the transmission wheel V (29) are rotatably arranged on the supporting frame (6), the transmission wheel III (25), the transmission wheel IV (28) and the transmission wheel V (29) are in transmission connection through the transmission belt II (30), and the transmission wheel IV (28) is connected with the third transmission device;
the shell breaking mechanism comprises a rotary screen (16), a rotating shaft (17) and a shell, wherein the rotating shaft (17) is provided with hobbing (18), the rotary screen (16) is sleeved on the rotating shaft (17), two ends of the rotating shaft (17) and two ends of the rotary screen (16) are both rotatably arranged on the supporting frame (6), and the shell is arranged on the outer side of the rotary screen (16);
the rotary screen (16) is connected with the second transmission device through a fourth transmission device;
the fourth transmission device comprises a transmission shaft (31), a small gear (32) and a large gear (33), wherein the transmission shaft (31) is parallel to the rotating shaft (17), one end of the transmission shaft is connected with the rotating shaft (17) through the second transmission device, the other end of the transmission shaft (31) is connected with the small gear (32), and the large gear (33) is sleeved at one end of the rotary screen (16) and meshed with the small gear (32);
the third transmission device comprises a chain (26), an eccentric wheel (27) and a chain wheel (35), wherein the eccentric wheel (27) is installed on the second transmission device, the chain wheel (35) is installed on the vibrating screen (4), two ends of the chain (26) are respectively connected with the eccentric wheel (27) and the vibrating screen (4), the chain (26) is meshed with the chain wheel (35), and reciprocating vibration of the vibrating screen (4) is achieved through rotation of the eccentric wheel (27).
2. The nut shelling screening machine of claim 1 wherein said shelling mechanism further comprises a feed bin (2), said feed bin (2) being in communication with said trommel (16).
3. Nut shelling screening machine as claimed in claim 1, characterized in that said vibrating screen (4) is arranged obliquely, said fan ii (11) is arranged at the discharge end of said vibrating screen (4), and a return tension spring (5) connected to said support frame (6) is arranged on the position of said vibrating screen (4) away from the discharge end.
4. Nut shelling and screening machine as claimed in claim 1, characterized in that said vibrating screen (4) is hinged on both sides to said support frame (6) by means of tie rods (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610345751.6A CN107087799B (en) | 2016-05-23 | 2016-05-23 | Nut shelling and screening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610345751.6A CN107087799B (en) | 2016-05-23 | 2016-05-23 | Nut shelling and screening machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107087799A CN107087799A (en) | 2017-08-25 |
| CN107087799B true CN107087799B (en) | 2023-02-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610345751.6A Active CN107087799B (en) | 2016-05-23 | 2016-05-23 | Nut shelling and screening machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN107087799B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107960667A (en) * | 2017-11-29 | 2018-04-27 | 安徽合众智信科技咨询有限公司 | A kind of stagewise peanut shelling device |
| CN108057622A (en) * | 2017-12-13 | 2018-05-22 | 株洲市文浩农业开发有限公司 | A kind of multiple screening seed selection equipment of agricultural planting |
| CN110810873A (en) * | 2018-08-11 | 2020-02-21 | 劳加斌 | Black bean shelling thresher |
| CN111528490A (en) * | 2020-05-13 | 2020-08-14 | 卢伟 | Cashew nut shell opening machine with shell separation function |
| WO2022045904A1 (en) * | 2020-08-25 | 2022-03-03 | Amazon Nuts S.A.C. | Automatic device for cracking and selecting a brazil nut or similar |
| CN115007437B (en) * | 2022-06-29 | 2023-08-29 | 河北鼎科农业科技有限公司 | Agricultural immersive seed sorting equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB304490A (en) * | 1928-02-06 | 1929-01-24 | Richmond & Chandler Ltd | Improvements in or relating to machines for cracking and shelling nuts |
| AU2006202455A1 (en) * | 2005-06-13 | 2007-01-04 | Langsford, Peter Cecil Mr | Pasture Seed De-Huller |
| CN101946965A (en) * | 2010-08-27 | 2011-01-19 | 新疆机械研究院股份有限公司 | Nut shell breaking separator |
| CN203762237U (en) * | 2014-03-18 | 2014-08-13 | 杨丰光 | Nut shell-breaking machine |
| CN105127086A (en) * | 2015-08-03 | 2015-12-09 | 浙江川崎茶业机械有限公司 | Fresh leaf sorting machine |
| CN204949431U (en) * | 2015-07-15 | 2016-01-13 | 赵宏波 | Nut shelling sieve separator |
| CN205947068U (en) * | 2016-05-23 | 2017-02-15 | 赵宏波 | Nut shelling sieve separator |
-
2016
- 2016-05-23 CN CN201610345751.6A patent/CN107087799B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB304490A (en) * | 1928-02-06 | 1929-01-24 | Richmond & Chandler Ltd | Improvements in or relating to machines for cracking and shelling nuts |
| AU2006202455A1 (en) * | 2005-06-13 | 2007-01-04 | Langsford, Peter Cecil Mr | Pasture Seed De-Huller |
| CN101946965A (en) * | 2010-08-27 | 2011-01-19 | 新疆机械研究院股份有限公司 | Nut shell breaking separator |
| CN203762237U (en) * | 2014-03-18 | 2014-08-13 | 杨丰光 | Nut shell-breaking machine |
| CN204949431U (en) * | 2015-07-15 | 2016-01-13 | 赵宏波 | Nut shelling sieve separator |
| CN105127086A (en) * | 2015-08-03 | 2015-12-09 | 浙江川崎茶业机械有限公司 | Fresh leaf sorting machine |
| CN205947068U (en) * | 2016-05-23 | 2017-02-15 | 赵宏波 | Nut shelling sieve separator |
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| CN107087799A (en) | 2017-08-25 |
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