CN116637797B - Grader for freeze-dried food processing - Google Patents
Grader for freeze-dried food processing Download PDFInfo
- Publication number
- CN116637797B CN116637797B CN202310920354.7A CN202310920354A CN116637797B CN 116637797 B CN116637797 B CN 116637797B CN 202310920354 A CN202310920354 A CN 202310920354A CN 116637797 B CN116637797 B CN 116637797B
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- Prior art keywords
- feeding
- classifying
- pipe
- box body
- grading
- Prior art date
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- 235000013305 food Nutrition 0.000 title claims abstract description 42
- 238000007599 discharging Methods 0.000 claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000009434 installation Methods 0.000 claims abstract description 4
- 238000006073 displacement reaction Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000004108 freeze drying Methods 0.000 abstract description 5
- 238000007664 blowing Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
Classifications
-
- 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
- B07B1/12—Apparatus having only parallel elements
-
- 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
- B07B1/46—Constructional details of screens in general; Cleaning or heating of 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
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
- B07B1/4636—Regulation of screen apertures
Landscapes
- Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
Abstract
The invention discloses a grader for freeze-dried food processing, which relates to the technical field of food freeze-drying processing grading, and comprises an outer box body, wherein a closed feeding mechanism is arranged at the top of the outer box body, a grading component is arranged in the outer box body, a closed discharging mechanism is arranged below the grading component, the grading component comprises a grading outer cover arranged in the outer box body, the grading outer cover is fixedly connected with the inner wall of the outer box body through a frame body, a plurality of grading plates are fixedly arranged at the bottom end of the grading outer cover, a grading groove is arranged between two adjacent grading plates, an equipment cover is coaxially arranged in the grading outer cover, and an installation rod is fixedly connected between the equipment cover and the grading cover.
Description
Technical Field
The invention relates to the technical field of freeze-drying processing and grading of foods, in particular to a grader for freeze-drying food processing.
Background
The freeze-dried food is frozen fast, dehydrated in a vacuum ice shape, keeps the original color, smell, taste, nutrition components and the appearance of the original materials, has good rehydration property, does not contain any additive, and is ideal natural sanitary food.
The freeze-dried food is required to be classified during processing of the freeze-dried food, but the existing freeze-dried food is classified by adopting a manual mode, so that the classification speed is low, the classification efficiency is low, the freeze-drying processing and the classification cannot be synchronously performed, and the food processing efficiency is low to be further improved.
Disclosure of Invention
The invention provides a grader for processing freeze-dried food, which solves the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the grader for freeze-dried food processing comprises an outer box body, wherein a closed feeding mechanism is arranged at the top of the outer box body, a grading component is arranged in the outer box body, and a closed discharging mechanism is arranged below the grading component;
the classifying assembly comprises a classifying outer cover arranged in an outer box body, the classifying outer cover is fixedly connected with the inner wall of the outer box body through a frame body, a plurality of classifying plates are arranged at the bottom end of the classifying outer cover, classifying grooves are formed between two adjacent classifying plates, an equipment cover is coaxially arranged in the classifying outer cover, an installation rod is fixedly connected between the equipment cover and the classifying cover, a classifying motor is fixedly arranged in the equipment cover, an output shaft of the classifying motor extends to the lower part of the equipment cover and is fixedly connected with a rotating seat coaxially, a plurality of pushing rods are fixedly arranged on the outer side of the rotating seat, a classifying frame is arranged below the classifying cover, a plurality of movable classifying grooves are formed in the classifying frame, and the classifying frame is connected with a shifting driving assembly.
As a preferable technical scheme of the invention, the displacement driving assembly comprises a driving motor fixedly arranged on the inner wall of the outer box body, an output shaft of the driving motor is coaxially and fixedly connected with a displacement driving screw, a displacement block is fixedly arranged at the top end of the grading frame, and the displacement driving screw penetrates through the displacement block and is in threaded connection with the displacement block.
As a preferable technical scheme of the invention, both sides of the inner wall of the outer box body are fixedly provided with the fixed rails, and both ends of the classifying frame are respectively positioned in the two fixed rails and are in sliding connection with the two fixed rails.
As a preferable technical scheme of the invention, the closed feeding mechanism comprises a feeding outer pipe penetrating through the top of the outer box body, the feeding outer pipe is fixedly connected with the outer box body, a feeding inner pipe is coaxially arranged in the feeding outer pipe in a rotating mode, a plurality of feeding separation plates are fixedly arranged on the inner wall of the feeding outer pipe, a feeding outer groove is arranged between two adjacent feeding separation plates, the feeding separation plates are in sliding connection with the outer wall of the feeding inner pipe, a feeding port is formed in one side of the feeding inner pipe, a guide column is fixedly arranged in the feeding inner pipe, and a guide groove communicated with the feeding port is formed in the top of the guide column.
As a preferable technical scheme of the invention, a discharging plate is fixedly arranged outside the feeding inner pipe, the bottom end of the feeding outer pipe is rotationally connected with the discharging plate, and a discharging opening is formed in the discharging plate.
As a preferable technical scheme of the invention, the top end of the feeding inner pipe extends to the upper part of the feeding outer pipe and is fixedly connected with the feeding hopper, the bottom ends of the feeding inner pipe and the material guiding column are fixedly connected with the equipment cover, and the top end of the material guiding column is obliquely arranged.
As a preferable technical scheme of the invention, the feeding outer tube is connected with the rotary driving mechanism, the rotary driving mechanism comprises a toothed ring coaxially and fixedly arranged outside the feeding outer tube, one side of the toothed ring is meshed with a driving gear, and the driving gear is coaxially and fixedly connected with a switching handle.
As a preferable technical scheme of the invention, the closed discharging mechanism comprises an output pipe, a mounting seat is fixedly arranged between the output pipe and the inner wall of the outer box body, the output pipe is positioned below the classifying frame and is obliquely arranged, a collecting cover is fixedly arranged at the top end of the output pipe, a discharging column is coaxially and rotatably connected in the output pipe, a plurality of discharging grooves are formed in the discharging column, and one end of the output pipe extends out of the outer box body and is provided with an output port.
As a preferable technical scheme of the invention, the end part of the output pipe positioned outside the outer box body is coaxially and rotatably connected with a switching knob, and the switching knob is coaxially and fixedly connected with the discharge column.
As a preferable technical scheme of the invention, the top end of the outer box body is fixedly provided with a negative pressure pipe.
The invention has the following advantages: according to the invention, the closed feeding mechanism and the closed discharging mechanism are arranged, so that the air pressure in the outer box body can be ensured to be stable in the feeding and discharging processes of food, on one hand, the freeze-drying processing efficiency can be improved, on the other hand, the energy consumption can be reduced, and the freeze-dried food can be subjected to multiple classification treatments by arranging the classification assembly, so that the processing efficiency of the food can be effectively increased.
Drawings
Fig. 1 is a schematic perspective view of a classifier for processing freeze-dried foods.
Fig. 2 is a schematic perspective view of the inside of the outer casing of the classifier for processing freeze-dried food.
Fig. 3 is a schematic perspective view of a closed discharge mechanism in a classifier for processing freeze-dried food.
Fig. 4 is a schematic perspective sectional structure of a closed discharge mechanism in a grader for freeze-dried food processing.
Fig. 5 is a schematic perspective view of a classifying assembly in a classifier for freeze-dried food processing.
Fig. 6 is a schematic perspective sectional structure view of a classifying assembly in a classifier for freeze-dried food processing.
In the figure: 1. an outer case; 2. a negative pressure pipe; 3. a feed outer tube; 4. a feed hopper; 5. an output pipe; 6. an output port; 7. a switching handle; 8. a drive gear; 9. a toothed ring; 10. a classifying outer cover; 11. a mounting base; 12. a collection cover; 13. a discharge column; 14. a discharge chute; 15. an equipment cover; 16. a mounting rod; 17. a rotating seat; 18. a push rod; 19. a classifying plate; 20. a fixed classification groove; 21. a grading frame; 22. a movable classification tank; 23. a fixed rail; 24. a driving motor; 25. a displacement drive screw; 26. a shift block; 27. a feed inner tube; 28. a material guiding column; 29. a guide groove; 30. a material opening; 31. a feed outer tank; 32. a feed opening; 33. a switching knob; 34. and a discharging plate.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
It should be noted that the positional or positional relationship indicated by the terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1-6, a grader for freeze-dried food processing comprises an outer box body 1, wherein a closed feeding mechanism is arranged at the top of the outer box body 1, a grading component is arranged in the outer box body 1, and a closed discharging mechanism is arranged below the grading component;
the classifying assembly comprises a classifying outer cover 10 arranged in an outer box body 1, the classifying outer cover 10 is fixedly connected with the inner wall of the outer box body 1 through a frame body, a plurality of classifying plates 19 are fixedly arranged at the bottom end of the classifying outer cover 10, classifying grooves are formed between two adjacent classifying plates 19, an equipment cover 15 is coaxially arranged in the classifying outer cover 10, an installation rod 16 is fixedly connected between the equipment cover 15 and the classifying cover, a classifying motor is fixedly arranged in the equipment cover 15, an output shaft of the classifying motor extends to the lower part of the equipment cover 15 and is coaxially and fixedly connected with a rotating seat 17, a plurality of push rods 18 are fixedly arranged at the outer side of the rotating seat 17, a classifying frame 21 is arranged below the classifying cover, a plurality of movable classifying grooves 22 are formed in the classifying frame 21, and the classifying frame 21 is connected with a shifting driving assembly.
The shift driving assembly comprises a driving motor 24 fixedly arranged on the inner wall of the outer box body 1, an output shaft of the driving motor 24 is coaxially and fixedly connected with a shift driving screw 25, a shift block 26 is fixedly arranged at the top end of the grading frame 21, and the shift driving screw 25 penetrates through the shift block 26 and is in threaded connection with the shift block 26.
Fixed rails 23 are fixedly arranged on two sides of the inner wall of the outer box body 1, and two ends of the grading frame 21 are respectively positioned in the two fixed rails 23 and are in sliding connection with the two fixed rails.
The closed feeding mechanism comprises a feeding outer tube 3 penetrating through the top of an outer box body 1, the feeding outer tube 3 is fixedly connected with the outer box body 1, a feeding inner tube 27 is coaxially arranged in the feeding outer tube 3 in a rotating mode, a plurality of feeding clapboards are fixedly arranged on the inner wall of the feeding outer tube 3, a feeding outer groove 31 is formed between every two adjacent feeding clapboards, the feeding clapboards are slidably connected with the outer wall of the feeding inner tube 27, a feed opening 30 is formed in one side of the feeding inner tube 27, a guide column 28 is fixedly arranged in the feeding inner tube 27, and a guide groove 29 communicated with the feed opening 30 is formed in the top of the guide column 28.
The outside of feeding inner tube 27 is fixed and is equipped with blowing board 34, and the bottom and the blowing board 34 rotation of feeding outer tube 3 are connected, have seted up feed opening 32 on the blowing board 34.
The top of feeding inner tube 27 extends to the top of feeding outer tube 3 and fixed connection feeder hopper 4, the bottom of feeding inner tube 27 and guide post 28 all with equipment cover 15 fixed connection, the top slope setting of guide post 28.
The feeding outer tube is connected with a rotary driving mechanism, the rotary driving mechanism comprises a toothed ring 9 coaxially and fixedly arranged outside the feeding outer tube 3, one side of the toothed ring 9 is meshed with a driving gear 8, and the driving gear 8 is coaxially and fixedly connected with a switching handle 7.
The closed discharging mechanism comprises an output pipe 5, a mounting seat 11 is fixedly arranged between the output pipe 5 and the inner wall of the outer box body 1, the output pipe 5 is arranged below the grading frame 21 in an inclined mode, a collecting cover 12 is fixedly arranged at the top end of the output pipe 5, a discharging column 13 is coaxially and rotatably connected in the output pipe 5, a plurality of discharging grooves 14 are formed in the discharging column 13, and one end of the output pipe 5 extends out of the outer box body 1 and is provided with an output port 6.
The end part of the output pipe 5 positioned outside the outer box body 1 is coaxially and rotatably connected with a switching knob 33, and the switching knob 33 is coaxially and fixedly connected with the discharge column 13.
The top of the outer box body 1 is fixedly provided with a negative pressure pipe 2.
In the implementation process, firstly, food is placed in a feed hopper 4, then the food enters a feed inner pipe 27 through the feed hopper 4 and enters one of feed outer grooves 31 through a guide groove 29 and a feed opening 30, then a switching handle 7 is rotated to drive a driving gear 8 to rotate, the driving gear 8 drives a toothed ring 9 to rotate, the toothed ring 9 drives a feed outer pipe 3 to rotate, and the feed outer pipe 3 drives the food in the feed outer groove 31 to move until the food falls into a grading outer cover 10 from a feed opening 32;
food is placed on the classifying frame 21 after entering the classifying housing 10, then the classifying frame 21 classifies the food in a small-to-large mode, specifically, the classifying motor is controlled to start to drive the rotating seat 17 and the push rod 18 to rotate, the food pushed by the push rod 18 moves to enable the food to fall from the superposition gap of the fixed classifying groove 20 and the movable classifying groove 22, the first classification is realized, the food obtained by the first classification falls into the collecting housing 12 and then enters the discharging groove 14, the discharging groove 14 rotates to enable the adjacent empty discharging groove 14 to be communicated with the collecting housing 12, the next classifying material is waited for, then the driving motor 24 is controlled to start to drive the shifting block 26 and the classifying frame 21 to move, the superposition gap of the fixed classifying groove 20 and the movable classifying groove 22 is enlarged, so that the food with larger volume is allowed to fall down, the second classification is performed, the food obtained by the multiple classification is placed in the plurality of discharging grooves 14 in a separated mode after the multiple classification, and then the food obtained by the classification is sequentially discharged from the output port 6.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The grader for freeze-dried food processing comprises an outer box body (1), and is characterized in that a closed feeding mechanism is arranged at the top of the outer box body (1), a grading component is arranged in the outer box body (1), and a closed discharging mechanism is arranged below the grading component;
the classifying assembly comprises a classifying outer cover (10) arranged in an outer box body (1), the classifying outer cover (10) is fixedly connected with the inner wall of the outer box body (1) through a frame body, a plurality of classifying plates (19) are fixedly arranged at the bottom end of the classifying outer cover (10), classifying grooves are formed between two adjacent classifying plates (19), an equipment cover (15) is coaxially arranged in the classifying outer cover (10), an installation rod (16) is fixedly connected between the equipment cover (15) and the classifying outer cover (10), a classifying motor is fixedly arranged in the equipment cover (15), an output shaft of the classifying motor extends to the lower part of the equipment cover (15) and is coaxially and fixedly connected with a rotating seat (17), a plurality of pushing rods (18) are fixedly arranged on the outer side of the rotating seat (17), a classifying frame (21) is arranged below the classifying outer cover (10), a plurality of movable classifying grooves (22) are formed in the classifying frame (21), and the classifying frame (21) is connected with a shifting driving assembly;
the closed feeding mechanism comprises a feeding outer pipe (3) penetrating through the top of an outer box body (1), the feeding outer pipe (3) is fixedly connected with the outer box body (1), a feeding inner pipe (27) is coaxially arranged in the feeding outer pipe (3) in a rotating mode, a plurality of feeding separation plates are fixedly arranged on the inner wall of the feeding outer pipe (3), a feeding outer groove (31) is formed between two adjacent feeding separation plates, the feeding separation plates are slidably connected with the outer wall of the feeding inner pipe (27), a feeding opening (30) is formed in one side of the feeding inner pipe (27), a guide column (28) is fixedly arranged in the feeding inner pipe (27), and a guide groove (29) which is communicated with the feeding opening (30) is formed in the top of the guide column (28);
a discharging plate (34) is fixedly arranged outside the feeding inner pipe (27), the bottom end of the feeding outer pipe (3) is rotationally connected with the discharging plate (34), and a discharging opening (32) is formed in the discharging plate (34);
the top end of the feeding inner pipe (27) extends to the upper part of the feeding outer pipe (3) and is fixedly connected with the feeding hopper (4), the bottom ends of the feeding inner pipe (27) and the material guiding column (28) are fixedly connected with the equipment cover (15), and the top end of the material guiding column (28) is obliquely arranged;
the feeding outer tube (3) is connected with a rotary driving mechanism, the rotary driving mechanism comprises a toothed ring (9) coaxially and fixedly arranged outside the feeding outer tube (3), one side of the toothed ring (9) is meshed with a driving gear (8), and the driving gear (8) is coaxially and fixedly connected with a switching handle (7).
2. The grader for freeze-dried food processing according to claim 1, wherein the displacement driving assembly comprises a driving motor (24) fixedly arranged on the inner wall of the outer box body (1), an output shaft of the driving motor (24) is coaxially and fixedly connected with a displacement driving screw (25), a displacement block (26) is fixedly arranged at the top end of the grading frame (21), and the displacement driving screw (25) penetrates through the displacement block (26) and is in threaded connection with the displacement block.
3. The grader for freeze-dried food processing according to claim 2, wherein both sides of the inner wall of the outer case (1) are fixedly provided with fixed rails (23), and both ends of the grading frame (21) are respectively positioned in the two fixed rails (23) and are in sliding connection with the two fixed rails.
4. The grader for freeze-dried food processing according to claim 1, wherein the closed discharging mechanism comprises an output pipe (5), a mounting seat (11) is fixedly arranged between the output pipe (5) and the inner wall of the outer box body (1), the output pipe (5) is positioned below the grading frame (21) and is obliquely arranged, an aggregate cover (12) is fixedly arranged at the top end of the output pipe (5), a discharging column (13) is coaxially and rotatably connected in the output pipe (5), a plurality of discharging grooves (14) are formed in the discharging column (13), and one end of the output pipe (5) extends out of the outer box body (1) and is provided with an output port (6).
5. The grader for freeze-dried food processing according to claim 1, wherein a switching knob (33) is coaxially and rotatably connected to the end of the output tube (5) located outside the outer casing (1), and the switching knob (33) is fixedly connected to the discharge column (13) coaxially.
6. The grader for freeze-dried food processing according to claim 1, wherein a negative pressure pipe (2) is fixedly provided at the top end of the outer casing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310920354.7A CN116637797B (en) | 2023-07-26 | 2023-07-26 | Grader for freeze-dried food processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310920354.7A CN116637797B (en) | 2023-07-26 | 2023-07-26 | Grader for freeze-dried food processing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116637797A CN116637797A (en) | 2023-08-25 |
| CN116637797B true CN116637797B (en) | 2023-09-19 |
Family
ID=87623338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310920354.7A Active CN116637797B (en) | 2023-07-26 | 2023-07-26 | Grader for freeze-dried food processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116637797B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1045414A (en) * | 1964-04-17 | 1966-10-12 | Roda Cesare | Fruit grading installation |
| AU2012203654A1 (en) * | 2007-06-26 | 2012-07-12 | Heat And Control, Inc. | Method and apparatus for separating cooking oils from snack food products through a quasi-continuous centrifuge action |
| CN104482232A (en) * | 2014-11-21 | 2015-04-01 | 常州市诺金精密机械有限公司 | Closed type discharging valve impeller |
| CN214718443U (en) * | 2021-03-12 | 2021-11-16 | 武钢资源集团鄂州球团有限公司 | Material grading equipment |
| CN215029811U (en) * | 2021-04-27 | 2021-12-07 | 龙岩亿丰机械科技有限公司 | Multi-head vertical classifier |
-
2023
- 2023-07-26 CN CN202310920354.7A patent/CN116637797B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1045414A (en) * | 1964-04-17 | 1966-10-12 | Roda Cesare | Fruit grading installation |
| AU2012203654A1 (en) * | 2007-06-26 | 2012-07-12 | Heat And Control, Inc. | Method and apparatus for separating cooking oils from snack food products through a quasi-continuous centrifuge action |
| CN104482232A (en) * | 2014-11-21 | 2015-04-01 | 常州市诺金精密机械有限公司 | Closed type discharging valve impeller |
| CN214718443U (en) * | 2021-03-12 | 2021-11-16 | 武钢资源集团鄂州球团有限公司 | Material grading equipment |
| CN215029811U (en) * | 2021-04-27 | 2021-12-07 | 龙岩亿丰机械科技有限公司 | Multi-head vertical classifier |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116637797A (en) | 2023-08-25 |
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