CN208695528U - A kind of object sieve and vibrosieve equipment - Google Patents
A kind of object sieve and vibrosieve equipment Download PDFInfo
- Publication number
- CN208695528U CN208695528U CN201820779879.8U CN201820779879U CN208695528U CN 208695528 U CN208695528 U CN 208695528U CN 201820779879 U CN201820779879 U CN 201820779879U CN 208695528 U CN208695528 U CN 208695528U
- Authority
- CN
- China
- Prior art keywords
- sieve
- screen box
- strip
- dust
- 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.)
- Expired - Fee Related
Links
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model relates to screening plant fields, provide a kind of object sieve and vibrosieve equipment.This object sieve includes rack, screen box, sieve, vibrator, air chest, exhaust fan and dust removal port, screen box is set to the top of rack, sieve is set in screen box, vibrator is set to the bottom of screen box, air chest is set to the bottom of screen box for being passed through gas into screen box, dust removal port is set to the top of screen box and is connected to screen box, exhaust fan is connected to dust removal port, multiple strip-shaped holes are offered on sieve, the more exhaust passages being connected to air chest are provided in sieve, the side wall of strip-shaped hole offers gas vent, and gas vent is connected to exhaust passage.Which raises the dust removal effect to bar shaped object to be sieved, the case where avoiding dust from flying, while improving the product quality of screenings.In addition, the vibrosieve equipment can be sieved quickly and effectively, the product dustiness after screening is low, and product quality is good.
Description
Technical field
The utility model relates to screening plant fields, in particular to a kind of object sieve and vibrosieve equipment.
Background technique
Strip-type screen carries out vibrosieve primarily directed to strip object to be sieved, and during bar shaped object vibration to be sieved, can produce
Fecula dirt, dust from flying cause environmental pollution, while being unfavorable for the health of operator.And bar shaped exterior surface to be sieved is taken
The sand grains of band not easy-clear, can not be siphoned away with deduster, so that still containing a large amount of sand grains in screenings, be unable to satisfy product
Quality requirement.
Utility model content
The purpose of this utility model, for example including a kind of object sieve is provided, can be effectively removed in screening process to
The dust on object surface, the case where avoiding dust from flying are sieved, while improving the product quality of screenings.
The purpose of this utility model further includes providing a kind of vibrosieve equipment, can quickly and effectively be sieved, screening
Product dustiness afterwards is low, and product quality is good.
In order to realize that above-mentioned at least one purpose, the embodiments of the present invention adopt the following technical scheme that
A kind of object sieve comprising rack, screen box, sieve, vibrator, air chest, exhaust fan and dust removal port, screen box are set
It is placed in the top of rack, sieve is set in screen box, and vibrator is set to the bottom of screen box and connect with screen box, air chest setting
In screen box bottom and be connected to inside screen box for being passed through gas into screen box, dust removal port be set to the top of screen box and with sieve
Case connection, exhaust fan are connected to dust removal port, multiple strip-shaped holes are offered on sieve, more exhaust passages are provided in sieve, arrange
Gas channel is connected to air chest, and the side wall that sieve corresponds to strip-shaped hole offers gas vent, and gas vent is connected to exhaust passage.
Optionally, in the preferred embodiment of the utility model, above-mentioned air chest is provided with bottom gas-distribution pipe and side is matched
Tracheae, bottom gas-distribution pipe are set to the side wall of screen box and enter the wind from the lower section of sieve, and side gas-distribution pipe is set to screen box close to sieve
It the side wall of net and is connected to exhaust passage.
Optionally, in the preferred embodiment of the utility model, above-mentioned sieve includes the charging face being oppositely arranged and discharging
Face, strip-shaped hole is between charging face and discharge feed side and runs through charging face and discharge feed side, and the width of strip-shaped hole is arrived along charging face
The direction of discharge feed side is gradually increased.
Optionally, in the preferred embodiment of the utility model, the side wall that above-mentioned sieve corresponds to strip-shaped hole includes two
The second sidewall of the first side wall of width direction and two length directions, two the first side walls and two second sidewalls surround item
Shape hole, gas vent penetrate through the first side wall.
Optionally, in the preferred embodiment of the utility model, above-mentioned second sidewall is provided with to wait sieving for striking off bar shaped
The scraper plate of object surface dust.
Optionally, in the preferred embodiment of the utility model, above-mentioned multiple strip-shaped holes arrange to form sieve unit, screening
Unit is multiple and arrangement forms multiple rows of and multiple row, and exhaust passage includes the first passage and second channel of connection, first passage
Between the sieve unit adjacent positioned at any two rows, second channel is located between the adjacent sieve unit of any two column.
Optionally, it in the preferred embodiment of the utility model, is provided in above-mentioned dust removal port along its axial direction multiple
Dust collecting trough, the side wall of dust removal port are also provided with cleaning door, and cleaning door is connected to dust collecting trough.
Optionally, in the preferred embodiment of the utility model, above-mentioned dust collecting trough is annular and is obliquely installed that dust collecting trough is remote
One end from cleaning door is higher than one end that dust collecting trough is connect with cleaning door.
Optionally, in the preferred embodiment of the utility model, above-mentioned dust removal port was provided with close to one end of exhaust fan
Strainer.
A kind of vibrosieve equipment comprising above-mentioned object sieve.
The beneficial effect of the utility model embodiment is for example,
Provided by the embodiment of the utility model object sieve opens up gas vent by the side wall in strip-shaped hole, using in sieve
Exhaust passage carries out air inlet, improves the dust removal effect of object to be sieved to bar shaped.It can be effectively removed in screening process
The dust on object surface to be sieved, the case where avoiding dust from flying, while improving the product quality of screenings.
In addition, vibrosieve equipment provided by the embodiment of the utility model, can quickly and effectively sieve, after screening
Product dustiness is low, and product quality is good.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of provided by the embodiment of the utility model object sieve；
Fig. 2 is structural schematic diagram of the sieve provided by the embodiment of the utility model under the first visual angle；
Fig. 3 is structural schematic diagram of the sieve provided by the embodiment of the utility model under the second visual angle；
Fig. 4 is the structural schematic diagram of dust removal port provided by the embodiment of the utility model.
Icon: 100- object sieve；110- rack；120- screen box；130- sieve；131- strip-shaped hole；132- exhaust passage；
1321- first passage；1322- second channel；133- gas vent；134- feeds face；135- discharge feed side；136- the first side wall；
137- second sidewall；138- scraper plate；139- sieve unit；140- vibrator；150- air chest；The bottom 151- gas-distribution pipe；152-
Side gas-distribution pipe；160- exhaust fan；170- dust removal port；171- dust collecting trough；172- cleaning door；173- filter screen.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or
The utility model product using when the orientation or positional relationship usually put or those skilled in the art usually understand
Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, it is not understood to indicate or imply phase
To importance.
In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and
It is that can be slightly tilted.It is not to indicate the structure if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It has to fully horizontally, but can be slightly tilted.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
Embodiment
Fig. 1 is please referred to, the present embodiment provides a kind of object sieves 100 comprising rack 110, screen box 120, sieve 130, vibration
Dynamic device 140, air chest 150, exhaust fan 160 and dust removal port 170.
Rack 110 is used as main support member, for installing above-mentioned screen box 120, sieve 130, vibrator 140, distribution
Case 150, exhaust fan 160 and dust removal port 170.Specifically, screen box 120 is set to the top of rack 110, sieve 130 is set to
In screen box 120, vibrator 140 is set to the bottom of screen box 120 and connect with screen box 120, and air chest 150 is set to screen box 120
Bottom and be connected to inside screen box 120 for being passed through gas into screen box 120, dust removal port 170 is set to the top of screen box 120
And be connected to screen box 120, exhaust fan 160 is connected to dust removal port 170.
Sieve 130 vibrates under the drive of vibrator 140, so that the object to be sieved on sieve 130 is beated and sieved
Point, it is divulged information by exhaust fan 160 into screen box 120, so that being blown afloat wait sieve the dust on object, exhaust fan 160 is in screen box 120
It is aspirated, dust is discharged out of dust removal port 170.
In the present embodiment, by changing the structure of sieve 130, so that the dust removing effects in its screening process are more preferably.Specifically
Ground please refers to Fig. 2 and Fig. 3, and multiple strip-shaped holes 131 are offered on sieve 130, more exhaust passages are provided in sieve 130
132, exhaust passage 132 is connected to air chest 150, and the side wall that sieve 130 corresponds to strip-shaped hole 131 offers gas vent 133, is arranged
Stomata 133 is connected to exhaust passage 132.The gas generated in air chest 150 enters through exhaust passage 132, and from strip-shaped hole 131
On gas vent 133 be discharged, the object to be sieved in strip-shaped hole 131 can be dusted, gas closely contacted with object to be sieved, it is right
The active force of the dust on object surface to be sieved is larger, be easy the dust for being adhered to object surface to be sieved is blown afloat so that dust with wait sieve
Object separation.
Sieve 130 includes the charging face 134 being oppositely arranged and discharge feed side 135, and strip-shaped hole 131 is located at charging face 134 and goes out
Between charge level 135 and run through charging face 134 and discharge feed side 135, the width of strip-shaped hole 131 arrives discharge feed side 135 along charging face 134
Direction be gradually increased.The trapezoidal structure in the section of strip-shaped hole 131 in the present embodiment, formation feed end is small, the big knot of discharge end
Structure, feed end is small can effectively to avoid multiple bar shapeds object to be sieved from accumulating at charging, and discharge end is conducive to greatly into feed end
Strip is fallen easily, is avoided clogging.
The above-mentioned arrangement of multiple strip-shaped holes 131 forms sieve unit 139, and sieve unit 139 forms multiple rows of for multiple and arrangement
And multiple row, exhaust passage 132 include the first passage 1321 and second channel 1322 of connection, first passage 1321 is located at any two
It arranges between adjacent sieve unit 139, second channel 1322 is located between the adjacent sieve unit 139 of any two column.By right
Multiple strip-shaped holes 131 carry out subregion, are conducive to the setting of exhaust passage 132, enable the gas in exhaust passage 132 smooth
Into each gas vent 133.
Sieve 130 correspond to strip-shaped hole 131 side wall include two width directions the first side wall 136 and two length
The second sidewall 137 in direction, two the first side walls 136 and two second sidewalls 137 surround strip-shaped hole 131, and gas vent 133 penetrates through
The first side wall 136.Second sidewall 137 is provided with the scraper plate 138 for striking off bar shaped object surface dust to be sieved.In the present embodiment,
It is struck off using the dust on the object surface to be sieved to bar shaped of scraper plate 138, and the powder on the powder and bar shaped struck off object surface to be sieved
Dirt can be blown afloat by the gas blown out in gas vent 133, via strip-shaped hole 131 in the top for entering to sieve 130, this part powder
Dirt can be discharged under the action of exhaust fan 160 from dust removal port 170, and then play the effect of dedusting.
In the present embodiment, turning back to refering to fig. 1, air chest 150 is provided with bottom gas-distribution pipe 151 and side gas-distribution pipe 152,
Bottom gas-distribution pipe 151 is set to the side wall of screen box 120 and enters the wind from the lower section of sieve 130, and side gas-distribution pipe 152 is set to screen box
120 close to sieve 130 side wall and be connected to exhaust passage 132.Air chest 150 passes through bottom gas-distribution pipe 151 and side distribution
Pipe 152 realizes respectively that the bottom of sieve 130 and side air inlet, specifically, the gas being discharged from bottom gas-distribution pipe 151 can lead to
The air inlet of strip-shaped hole 131 is crossed, realization blows afloat the dust on the object surface to be sieved on sieve 130, and be discharged from side gas-distribution pipe 152
Gas can be finally discharged through gas vent 133 by exhaust passage 132, this portion gas can be closely and in strip-shaped hole 131
Object to be sieved contact and remove the dust on object surface to be sieved.By being entered the wind simultaneously to gas from bottom and side in the present embodiment,
The dust on sieve object surface is treated in two-way removal, and the removal effect of dust is high.
After dust wait sieve object surface is blown afloat, it can be sucked out by exhaust fan 160.In the present embodiment, this part dust
Part dust can be dropped down onto and be accumulated at dust removal port 170 when aspirating through exhaust fan 160, be cleaned after a period of time.Specifically,
Referring to Fig. 4, being provided with multiple dust collecting troughs 171 along its axial direction in dust removal port 170, the side wall of dust removal port 170 is also provided with
Cleaning door 172, cleaning door 172 are connected to dust collecting trough 171.Above-mentioned dust collecting trough 171 is annular and is obliquely installed that dust collecting trough 171 is remote
One end from cleaning door 172 is higher than one end that dust collecting trough 171 is connect with cleaning door 172.Being provided with for dust collecting trough 171 is conducive to collect
The part dust not being sucked out by exhaust fan 160, dust collection for a period of time after, openable cleaning door 172 removes this part powder
Dirt.
Meanwhile in the present embodiment, one end of exhaust fan 160 is also provided with filter screen 173 in dust removal port 170, filters
Net 173 can effectively avoid biggish dust from entering exhaust fan 160, this part dust be truncated to 173 surface of filter screen or
It falls in dust collecting trough 171 and is collected, so that it is small from the dust in the dusty gas that exhaust fan 160 is discharged, it is conducive to subsequent to this
The processing of portion gas.
The working principle of object sieve 100 is: bar shaped object to be sieved drops down on sieve 130, and sieve 130 is installed in screen box 120
Portion, screen box 120 drive sieve 130 to vibrate with the vibration of vibrator 140, and bar shaped object to be sieved is vibrated and turned on sieve 130
Turn, the dust fractions on surface fall off, under the action of the gas that the dust to fall off is discharged in air chest 150, move upwards with
Bar shaped object to be sieved separation, bar shaped object to be sieved are sieved through strip-shaped hole 131, into strip-shaped hole 131 bar shaped object to be sieved also by
The impact for the gas being discharged in the gas vent 133 of 131 side wall of strip-shaped hole further removes the dust on bar shaped object surface to be sieved,
Gas of the dust through lower section in strip-shaped hole 131 is blown to the top of sieve 130 and enters dust removal port 170, into dust removal port 170
Dust fractions be sucked out by exhaust fan 160, be partially collected because self gravity is fallen in the dust collecting trough 171 of dust removal port 170.
By opening up gas vent 133 in the side wall of strip-shaped hole 131 in the present embodiment, the exhaust passage in sieve 130 is utilized
132 carry out air inlet, improve the dust removal effect of object to be sieved to bar shaped.It can effectively remove object to be sieved in screening process
The dust on surface, the case where avoiding dust from flying, while improving the product quality of screenings.
In addition, the utility model embodiment additionally provides a kind of vibrosieve equipment comprising above-mentioned object sieve 100.Its
It can quickly and effectively sieve, the product dustiness after screening is low, and product quality is good.
In conclusion provided by the embodiment of the utility model object sieve 100 is by opening up exhaust in the side wall of strip-shaped hole 131
Hole 133 carries out air inlet using the exhaust passage 132 in sieve 130, improves the dust removal effect of object to be sieved to bar shaped.Its
The dust that object surface to be sieved can be effectively removed in screening process, the case where avoiding dust from flying, while improving sieve
The product quality of lower object.
In addition, vibrosieve equipment provided by the embodiment of the utility model, can quickly and effectively sieve, after screening
Product dustiness is low, and product quality is good.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of object sieve, which is characterized in that it includes rack, screen box, sieve, vibrator, air chest, exhaust fan and dedusting
Mouthful, the screen box is set to the top of the rack, and the sieve is set in the screen box, and the vibrator is set to described
The bottom of screen box and connect with the screen box, the air chest be set to the bottom of the screen box and be connected to inside the screen box
For being passed through gas into the screen box, the dust removal port is set to the top of the screen box and is connected to the screen box, described
Exhaust fan is connected to the dust removal port, and multiple strip-shaped holes are offered on the sieve, and it is logical that more exhausts are provided in the sieve
Road, the exhaust passage are connected to the air chest, and the side wall that the sieve corresponds to the strip-shaped hole offers gas vent, institute
Gas vent is stated to be connected to exhaust passage.
2. according to claim 1 object sieve, which is characterized in that the air chest is provided with bottom gas-distribution pipe and side is matched
Tracheae, the bottom gas-distribution pipe are set to the side wall of the screen box and enter the wind from the lower section of the sieve, the side gas-distribution pipe
The screen box is set to be connected to close to the side wall of the sieve and with the exhaust passage.
3. according to claim 1 object sieve, which is characterized in that the sieve includes the charging face being oppositely arranged and discharging
Face, the strip-shaped hole is between the charging face and the discharge feed side and runs through the charging face and the discharge feed side, described
The width of strip-shaped hole is gradually increased along the direction of the charging face to the discharge feed side.
4. according to claim 1 object sieve, which is characterized in that the side wall that the sieve corresponds to the strip-shaped hole includes
The first side wall of two width directions and the second sidewall of two length directions, two the first side walls and two described
Two side walls surround the strip-shaped hole, and the gas vent penetrates through the first side wall.
5. according to claim 4 object sieve, which is characterized in that the second sidewall is provided with to wait sieving for striking off bar shaped
The scraper plate of object surface dust.
6. according to claim 1 object sieve, which is characterized in that multiple strip-shaped holes arrange to form sieve unit, institute
It states sieve unit and forms multiple rows of and multiple row for multiple and arrangement, the exhaust passage includes that the first passage of connection and second are led to
Road, the first passage are located between the adjacent sieve unit of any two rows, and the second channel is located at any two column phase
Between the adjacent sieve unit.
7. according to claim 1 object sieve, which is characterized in that be provided in the dust removal port along its axial direction multiple
Dust collecting trough, the side wall of the dust removal port are also provided with cleaning door, and the cleaning door is connected to the dust collecting trough.
8. according to claim 7 object sieve, which is characterized in that the dust collecting trough is annular and is obliquely installed, the collection
Dirt slot is higher than one end that the dust collecting trough is connect with the cleaning door far from one end of the cleaning door.
9. according to claim 1 object sieve, which is characterized in that the dust removal port is arranged close to one end of the exhaust fan
There is filter screen.
10. a kind of vibrosieve equipment, which is characterized in that it includes such as described in any item object sieves of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820779879.8U CN208695528U (en) | 2018-05-23 | 2018-05-23 | A kind of object sieve and vibrosieve equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820779879.8U CN208695528U (en) | 2018-05-23 | 2018-05-23 | A kind of object sieve and vibrosieve equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208695528U true CN208695528U (en) | 2019-04-05 |
Family
ID=65934684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820779879.8U Expired - Fee Related CN208695528U (en) | 2018-05-23 | 2018-05-23 | A kind of object sieve and vibrosieve equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208695528U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113058838A (en) * | 2021-03-31 | 2021-07-02 | 成渝钒钛科技有限公司 | Multistage screening device for vanadium-titanium blast furnace coke and use method thereof |
-
2018
- 2018-05-23 CN CN201820779879.8U patent/CN208695528U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113058838A (en) * | 2021-03-31 | 2021-07-02 | 成渝钒钛科技有限公司 | Multistage screening device for vanadium-titanium blast furnace coke and use method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7559962B2 (en) | Apparatus for on-site cleaning of landscape rock | |
| CN108067428A (en) | One boar food exclusion device | |
| CN206631954U (en) | A kind of feed arrangement of color selector and the color selector | |
| CN208695528U (en) | A kind of object sieve and vibrosieve equipment | |
| CN108686947A (en) | Wheat edulcoration device for agricultural machine | |
| CN209005437U (en) | A kind of pitch dust precipitator | |
| KR101955861B1 (en) | Dust collector | |
| CN207563262U (en) | A kind of novel grain stone remover | |
| CN209613559U (en) | A kind of self-priming wheat impurity removing equipment | |
| CN208194973U (en) | A kind of sand preparing machine | |
| CN109225577A (en) | The calcium carbonate crushing plant of dust removal | |
| CN207872593U (en) | A kind of navel orange automatic sorting device | |
| CN207494012U (en) | Convenient for the vibrating screen of dedusting | |
| CN108421700A (en) | A kind of object sieve and vibrosieve equipment | |
| CN206343381U (en) | It is a kind of to be used for the sorting unit of separating particulate material and sheet material | |
| CN108543804A (en) | A kind of soft chip material reclaimer | |
| CN213494847U (en) | Raw material screening device for house construction | |
| CN210635434U (en) | Automatic charging device for Czochralski monocrystalline silicon re-feeding barrel | |
| CN209109358U (en) | Has effects that laborsaving, dedusting calcium carbonate crushing plant | |
| CN210248305U (en) | Vegetable cleaning system's garbage collection device | |
| CN209736071U (en) | Multi-stage screening type peanut stoning machine | |
| CN208575084U (en) | A kind of soft chip material reclaimer | |
| CN209109698U (en) | A kind of corn seed vibratory feed with dedusting feed hopper | |
| CN209318120U (en) | A kind of corncob dedusting removal of impurities cleaner | |
| CN112474353A (en) | Melon seed winnowing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190405 Termination date: 20200523 |