CN113510093A - Dry type dust removal device for dried rice - Google Patents
Dry type dust removal device for dried rice Download PDFInfo
- Publication number
- CN113510093A CN113510093A CN202110246872.6A CN202110246872A CN113510093A CN 113510093 A CN113510093 A CN 113510093A CN 202110246872 A CN202110246872 A CN 202110246872A CN 113510093 A CN113510093 A CN 113510093A
- Authority
- CN
- China
- Prior art keywords
- frame
- loading
- shaped
- loading seat
- dust removal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 34
- 235000009566 rice Nutrition 0.000 title claims abstract description 34
- 239000000428 dust Substances 0.000 title claims abstract description 32
- 240000007594 Oryza sativa Species 0.000 title 1
- 241000209094 Oryza Species 0.000 claims abstract description 33
- 238000004140 cleaning Methods 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 abstract description 3
- 238000007664 blowing Methods 0.000 abstract description 2
- 230000001680 brushing effect Effects 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
Landscapes
- Cleaning In General (AREA)
Abstract
The invention relates to a dry type dust removal device for aired rice, which comprises a cleaning frame and a U-shaped loading frame, wherein a sliding control assembly matched with the cleaning frame and the U-shaped loading frame is arranged between the cleaning frame and the U-shaped loading frame; the U-shaped loading frame is hinged with an L-shaped loading seat, and dust through holes are uniformly distributed at the lower part of the loading seat; the upper part of the loading seat is respectively provided with a hairbrush and a fan; a locking component is arranged on the U-shaped loading frame; the loading seat is provided with an automatic unloading assembly; the automatic unloading assembly comprises a first hydraulic cylinder which is hinged and horizontally and slidably arranged at the bottom of the cleaning frame, and the first hydraulic cylinder is hinged with the loading seat. The dust-permeable holes are used for filtering water during cleaning. The rice dust removal device is high in automation degree, can automatically remove dust of rice in a dry environment by moving and blowing the rice and brushing dust, can automatically unload the rice after dust removal, achieves the effect of saving manpower, and has high practicability.
Description
Technical Field
The invention relates to agricultural machinery, in particular to a dry type dust removal device for aired rice.
Background
The grain station is carrying out the in-process of long-time storage to the rice, in order to prevent that the rice from humidity going mildy and producing harmful bacterium, can often carry out the sunning to the rice, relies on sunshine to disinfect. However, there is a problem that rice is inevitably spread on the ground during airing, which causes the surface to be stained with a lot of dust, and therefore, after the airing and the collection, dust removal of rice is inevitably performed, which makes it difficult to actually perform the dust removal because the rice cannot be washed with water, and it is difficult to discharge the rice after the dust removal.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a dry type dust removal device for the aired rice.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
the dry type dust removal device for the aired rice comprises a cleaning frame and a U-shaped loading frame, wherein a sliding control assembly matched with the cleaning frame and the U-shaped loading frame is arranged between the cleaning frame and the U-shaped loading frame; the U-shaped loading frame is hinged with an L-shaped loading seat, and dust through holes are uniformly distributed at the lower part of the loading seat; the upper part of the loading seat is respectively provided with a hairbrush and a fan; a locking component is arranged on the U-shaped loading frame; the loading seat is provided with an automatic unloading assembly; the automatic unloading assembly comprises a first hydraulic cylinder which is hinged and horizontally and slidably arranged at the bottom of the cleaning frame, and the first hydraulic cylinder is hinged with the loading seat. The dust-permeable holes are used for filtering water during cleaning.
The sliding control assembly comprises a first motor and two guide frames, wherein the first motor and the two guide frames are both arranged on the cleaning frame; each guide frame is horizontally provided with a transverse guide rod in a sliding manner, and the two transverse guide rods are fixedly connected with the U-shaped loading frame; the U-shaped loading frame is further connected with an extension block, an extension groove is formed in the extension block, and the first motor is connected with a rocker which is in sliding and hinged fit with the extension groove.
The cleaning frame is provided with a fixed hanging frame, a longitudinal guide rod and a second hydraulic cylinder respectively; the fan is connected with a second motor, and the second motor is arranged on the fixed hanging bracket; the longitudinal guide rod is connected with a movable hanging bracket connected with a second hydraulic cylinder in a vertical sliding mode, and the brush is installed on the movable hanging bracket.
The left side and the right side of the loading seat are respectively provided with a clamping column; the left side and the right side of the U-shaped loading frame are both provided with an air cylinder and a clamping plug; every card stopper equal slidable mounting has the inserted bar that links to each other with the cylinder correspondence, and the inserted bar all matches with the card post that corresponds.
The front part of the loading seat is provided with two notches; the automatic unloading assembly comprises two plugging plates which are respectively positioned at the corresponding notches, and the upper end of each plugging plate is provided with a driving column; the loading seat is respectively provided with two three-axis cylinders and two fixing clamping plates; each fixed clamping plate is provided with an L-shaped track groove; each driving column is in sliding fit with the corresponding track groove; every triaxial cylinder all is connected with removes the frame, all opens on every removes the frame with the drive column sliding fit's that corresponds removal groove.
The inner side of the front end of the loading seat is provided with inclined planes at the left side and the right side of each notch.
The invention has the beneficial effects that:
the rice dust removal device is high in automation degree, can automatically remove dust of rice in a dry environment by moving and blowing the rice and brushing dust, can automatically unload the rice after dust removal, achieves the effect of saving manpower, and has high practicability.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at I;
FIG. 3 is a perspective view of the load seat and the securing catch;
FIG. 4 is an enlarged view of a portion of FIG. 1 at II;
FIG. 5 is a front view of the present invention;
fig. 6 is a top view of the present invention.
In the figure, 1, a cleaning rack; 2. a U-shaped loading frame; 3. a loading seat; 4. a brush; 5. a fan; 6. a first hydraulic cylinder; 7. a first motor; 8. a guide frame; 9. a transverse guide rod; 10. an extension block; 11. a rocker; 12. fixing the hanger; 13. a longitudinal guide bar; 14. a second hydraulic cylinder; 15. a movable hanger; 16. a cylinder; 17. blocking; 18. inserting a rod; 19. a plugging plate; 20. a three-axis cylinder; 21. fixing the clamping plate; 22. a movable frame; 23. and a second motor.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be described more clearly and more completely with reference to the drawings in the following embodiments, and it is understood that the described embodiments are only a part of the present invention, rather than all of the present invention, and based on the embodiments, other embodiments obtained by those skilled in the art without inventive exercise are within the protection scope of the present invention.
As shown in fig. 1 to 6, the dry dust removal device for the aired rice comprises a cleaning frame 1 and a U-shaped loading frame 2, wherein a sliding control assembly matched with the cleaning frame 1 and the U-shaped loading frame 2 is arranged between the cleaning frame 1 and the U-shaped loading frame 2; the U-shaped loading frame 2 is hinged with an L-shaped loading seat 3, and dust through holes 3a are uniformly distributed at the lower part of the loading seat 3; a brush 4 and a fan 5 are respectively arranged above the loading seat 3; the U-shaped loading frame 2 is provided with a locking component; the loading seat 3 is provided with an automatic unloading assembly; the automatic unloading assembly comprises a first hydraulic cylinder 6 which is hinged and horizontally and slidably arranged at the bottom of the cleaning frame 1, and the first hydraulic cylinder 6 is hinged with the loading seat 3. The dust-permeating holes 3a are used for filtering water during cleaning.
The sliding control assembly comprises a first motor 7 and two guide frames 8 which are arranged on the cleaning frame 1; each guide frame 8 is horizontally provided with a transverse guide rod 9 in a sliding way, and the two transverse guide rods 9 are fixedly connected with the U-shaped loading frame 2; the U-shaped loading frame 2 is further connected with an extension block 10, an extension groove 10a is formed in the extension block 10, and the first motor 7 is connected with a rocker 11 which is in sliding and hinged fit with the extension groove 10 a.
A fixed hanging bracket 12, a longitudinal guide rod 13 and a second hydraulic cylinder 14 are respectively arranged on the cleaning frame 1; the fan 5 is connected with a second motor 23, and the second motor 23 is arranged on the fixed hanging bracket 12; the longitudinal guide rod 13 is connected with a movable hanger 15 connected with a second hydraulic cylinder 14 in a vertical sliding mode, and the brush 4 is installed on the movable hanger 15.
The left side and the right side of the loading seat 3 are both provided with clamping columns 3 b; the left side and the right side of the U-shaped loading frame 2 are both provided with an air cylinder 16 and a clamping plug 17; each clamping plug 17 is slidably provided with an inserting rod 18 correspondingly connected with the air cylinder 16, and the inserting rod 18 is matched with the corresponding clamping column 3 b.
The front part of the loading seat 3 is provided with two notches; the automatic unloading assembly comprises two plugging plates 19 which are respectively positioned at corresponding notches, and the upper end of each plugging plate 19 is provided with a driving column 19 a; the loading seat 3 is respectively provided with two three-axis cylinders 20 and two fixing clamping plates 21; each fixed clamping plate 21 is provided with an L-shaped track groove 21 a; each driving post 19a is in sliding fit with a corresponding track groove 21 a; each triaxial cylinder 20 is connected with a moving frame 22, and each moving frame 22 is provided with a moving groove 22a in sliding fit with the corresponding driving column 19 a.
The inner side of the front end of the loading seat 3 is provided with an inclined surface 3c at the left side and the right side of each gap.
In the initial state, the catch 3b abuts against the upper end of the insertion rod 18.
When specifically using, the manual work only needs to pour a small amount of rice after the sunning into to loading on the seat 3, then drive fan 5 through No. two motors 23 and carry out the rotation while, drive rocker 11 constant speed rotation through a motor 7, order about U-shaped loading frame 2 and loading seat 3 and control reciprocating sliding on the horizontal direction, in the slip process, the rice in each region all can blow wind, meanwhile, No. two pneumatic cylinders 14 will move about the gallows 15 and stimulate downwards, cause brush 4 to descend to and load the rice on the seat 3 and offset, can make brush 4 carry out the automatic sweeping and remove dust to the rice of controlling reciprocating movement, and the dust that is left the rice by the sweeping is under the dual function of gravity and the wind-force that fan 5 brought, can fall through the hole of ventilating ash 3a, reach the effect of removing dust.
After the dust removal is completed, the inserting rod 18 is pulled leftwards by the air cylinder 16, the limit of the clamping column 3b is removed, then the loading seat 3 can be pulled downwards by the first hydraulic cylinder 6, namely, the loading seat 3 is enabled to rotate anticlockwise, meanwhile, the moving frame 22 is pulled by each triaxial air cylinder 20, each blocking plate 19 is enabled to slide along the track of the L shape, two blocking plates 19 are enabled to be pulled away from the corresponding notches, namely, the rice on the loading seat 3 is enabled to be poured and unloaded through the two notches.
The foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. To dry-type dust collector after rice sunning, load frame (2) including wash rack (1) and U-shaped, its characterized in that: a sliding control component matched with the cleaning frame (1) and the U-shaped loading frame (2) is arranged between the cleaning frame and the U-shaped loading frame; the U-shaped loading frame (2) is hinged with an L-shaped loading seat (3), and dust-permeable holes (3a) are uniformly distributed at the lower part of the loading seat (3); a brush (4) and a fan (5) are respectively arranged above the loading seat (3); a locking component is arranged on the U-shaped loading frame (2); the loading seat (3) is provided with an automatic unloading assembly; the automatic unloading assembly comprises a hydraulic cylinder (6) which is hinged and horizontally slidably mounted at the bottom of the cleaning frame (1), and the hydraulic cylinder (6) is hinged with the loading seat (3).
2. The dry dust removal device for the air-dried rice according to claim 1, wherein: the sliding control assembly comprises a first motor (7) and two guide frames (8), wherein the first motor and the two guide frames are both arranged on the cleaning frame (1); each guide frame (8) is horizontally provided with a transverse guide rod (9) in a sliding manner, and the two transverse guide rods (9) are fixedly connected with the U-shaped loading frame (2); the U-shaped loading frame (2) is further connected with an extension block (10), an extension groove (10a) is formed in the extension block (10), and the first motor (7) is connected with a rocker (11) which is in sliding and hinged fit with the extension groove (10 a).
3. The dry dust removal device for the air-dried rice according to claim 1, wherein: a fixed hanging bracket (12), a longitudinal guide rod (13) and a second hydraulic cylinder (14) are respectively arranged on the cleaning frame (1); the fan (5) is connected with a second motor (23), and the second motor (23) is arranged on the fixed hanging bracket (12); the longitudinal guide rod (13) is connected with a movable hanging bracket (15) connected with a second hydraulic cylinder (14) in a vertical sliding mode, and the brush (4) is installed on the movable hanging bracket (15).
4. The dry dust removal device for the air-dried rice according to claim 1, wherein: clamping columns (3b) are arranged on the left side and the right side of the loading seat (3); the left side and the right side of the U-shaped loading frame (2) are provided with an air cylinder (16) and a clamping plug (17); each clamping plug (17) is provided with an inserting rod (18) correspondingly connected with the air cylinder (16) in a sliding way, and the inserting rods (18) are matched with the corresponding clamping columns (3 b).
5. The dry dust removal device for the air-dried rice according to claim 1, wherein: the front part of the loading seat (3) is provided with two notches; the automatic unloading assembly comprises two plugging plates (19) which are respectively positioned at the corresponding notches, and the upper end of each plugging plate (19) is provided with a driving column (19 a); the loading seat (3) is respectively provided with two three-axis cylinders (20) and two fixed clamping plates (21); each fixed clamping plate (21) is provided with an L-shaped track groove (21 a); each driving column (19a) is in sliding fit with the corresponding track groove (21 a); each triaxial cylinder (20) is connected with a movable frame (22), and each movable frame (22) is provided with a movable groove (22a) in sliding fit with the corresponding driving column (19 a).
6. The dry dust removal device for the air-dried rice of claim 5, wherein: inclined surfaces (3c) are arranged on the left side and the right side of each notch on the inner side of the front end of the loading seat (3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110246872.6A CN113510093A (en) | 2021-03-05 | 2021-03-05 | Dry type dust removal device for dried rice |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110246872.6A CN113510093A (en) | 2021-03-05 | 2021-03-05 | Dry type dust removal device for dried rice |
Publications (1)
Publication Number | Publication Date |
---|---|
CN113510093A true CN113510093A (en) | 2021-10-19 |
Family
ID=78061147
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110246872.6A Pending CN113510093A (en) | 2021-03-05 | 2021-03-05 | Dry type dust removal device for dried rice |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN113510093A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114871162A (en) * | 2022-04-29 | 2022-08-09 | 芜湖市恒浩机械制造有限公司 | Collator for automobile rear suspension lower support ex-warehouse |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107401106A (en) * | 2017-09-09 | 2017-11-28 | 浙江路之友工程机械有限公司 | A kind of milling machine of separable pitch and stone |
CN208466473U (en) * | 2018-05-16 | 2019-02-05 | 江苏广原油脂有限公司 | Screening plant is used before a kind of sesame oil making with functions/drying |
CN208494952U (en) * | 2018-04-24 | 2019-02-15 | 宝业湖北建工集团有限公司 | Discharging structure in a kind of automatic sand screening equipment |
CN209318175U (en) * | 2018-10-30 | 2019-08-30 | 安徽骉犇食品科技有限公司 | A kind of sieving equipment of food micro capsule powder |
CN209772726U (en) * | 2019-03-30 | 2019-12-13 | 赣州市赣县区赣隆农业开发有限公司 | a debris sieving mechanism for sweetleaf chrysanthemum leaves |
CN110813712A (en) * | 2019-11-15 | 2020-02-21 | 湖南百尼茶庵茶业有限公司 | Impurity removal screening machine for tea processing |
CN210171932U (en) * | 2019-06-17 | 2020-03-24 | 江西阳岭云华茶业有限公司 | Multi-functional tealeaves sorting unit |
CN210675957U (en) * | 2019-08-28 | 2020-06-05 | 咸丰县堰塘食品有限责任公司 | Sundry removing device for rice processing |
CN210753685U (en) * | 2019-07-29 | 2020-06-16 | 云南时间农业发展有限公司 | A raw materials sieving mechanism for coffee beans |
CN210801888U (en) * | 2019-10-28 | 2020-06-19 | 广东鸿泰电子股份有限公司 | OSP drying and cooling integrated device |
CN211977382U (en) * | 2020-04-23 | 2020-11-20 | 杭州森宝食品有限公司 | Cooling device for nut production |
CN212493856U (en) * | 2020-04-14 | 2021-02-09 | 浙江宝禧农业科技有限公司 | Seed sieving mechanism for farming |
-
2021
- 2021-03-05 CN CN202110246872.6A patent/CN113510093A/en active Pending
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107401106A (en) * | 2017-09-09 | 2017-11-28 | 浙江路之友工程机械有限公司 | A kind of milling machine of separable pitch and stone |
CN208494952U (en) * | 2018-04-24 | 2019-02-15 | 宝业湖北建工集团有限公司 | Discharging structure in a kind of automatic sand screening equipment |
CN208466473U (en) * | 2018-05-16 | 2019-02-05 | 江苏广原油脂有限公司 | Screening plant is used before a kind of sesame oil making with functions/drying |
CN209318175U (en) * | 2018-10-30 | 2019-08-30 | 安徽骉犇食品科技有限公司 | A kind of sieving equipment of food micro capsule powder |
CN209772726U (en) * | 2019-03-30 | 2019-12-13 | 赣州市赣县区赣隆农业开发有限公司 | a debris sieving mechanism for sweetleaf chrysanthemum leaves |
CN210171932U (en) * | 2019-06-17 | 2020-03-24 | 江西阳岭云华茶业有限公司 | Multi-functional tealeaves sorting unit |
CN210753685U (en) * | 2019-07-29 | 2020-06-16 | 云南时间农业发展有限公司 | A raw materials sieving mechanism for coffee beans |
CN210675957U (en) * | 2019-08-28 | 2020-06-05 | 咸丰县堰塘食品有限责任公司 | Sundry removing device for rice processing |
CN210801888U (en) * | 2019-10-28 | 2020-06-19 | 广东鸿泰电子股份有限公司 | OSP drying and cooling integrated device |
CN110813712A (en) * | 2019-11-15 | 2020-02-21 | 湖南百尼茶庵茶业有限公司 | Impurity removal screening machine for tea processing |
CN212493856U (en) * | 2020-04-14 | 2021-02-09 | 浙江宝禧农业科技有限公司 | Seed sieving mechanism for farming |
CN211977382U (en) * | 2020-04-23 | 2020-11-20 | 杭州森宝食品有限公司 | Cooling device for nut production |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114871162A (en) * | 2022-04-29 | 2022-08-09 | 芜湖市恒浩机械制造有限公司 | Collator for automobile rear suspension lower support ex-warehouse |
CN114871162B (en) * | 2022-04-29 | 2024-03-22 | 芜湖市恒浩机械制造有限公司 | Finishing device for automobile rear suspension lower support ex-warehouse |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN113510093A (en) | Dry type dust removal device for dried rice | |
CN113751379B (en) | High-efficient cleaning device of electronic components | |
CN109307408A (en) | A kind of Hardware fitting drying unit | |
CN107413710A (en) | A kind of cleaner of lithium battery | |
CN115740114B (en) | Bending machine convenient for moving die and using method | |
CN206255030U (en) | A kind of glass cleaning workshop transfer car(buggy) | |
CN109371509A (en) | A kind of Disk Plucker of spinning process | |
CN114300387A (en) | Semiconductor manufacturing is with intelligent self-cleaning drying device | |
CN114308764A (en) | Silicon-based plasma photoresist remover compatible with third-generation semiconductor material | |
CN220004794U (en) | Screening edulcoration device | |
CN214937560U (en) | Waterborne leather surface dust removal device | |
CN220750148U (en) | Ash deposition preventing device of slag drier | |
CN219052281U (en) | Screen frame self-cleaning device | |
CN220044890U (en) | Cigarette discharging device for cigarette clip | |
CN218681866U (en) | Adjustable draining device | |
CN211112325U (en) | Down feather processor integrating washing and drying | |
CN219791094U (en) | Long oil pipe work or material rest | |
CN220023157U (en) | Antistatic equipment for processing and producing automobile seat surface cover | |
CN219438137U (en) | Sorting unit convenient to clean is used in lemon processing | |
CN219505198U (en) | Dust removing device | |
CN221000293U (en) | Impurity removing mechanism | |
CN219919295U (en) | Circuit board processing surface treatment device | |
CN214962517U (en) | Be applied to multistage air-dry device on fruit cleaning equipment | |
CN218902891U (en) | Integrated equipment for cleaning and air drying medicinal materials | |
CN220077109U (en) | Fresh-keeping box with long fruit fresh-keeping timeliness |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211019 |