CN207413806U - A kind of pneumatic separation device - Google Patents
A kind of pneumatic separation device Download PDFInfo
- Publication number
- CN207413806U CN207413806U CN201721337274.5U CN201721337274U CN207413806U CN 207413806 U CN207413806 U CN 207413806U CN 201721337274 U CN201721337274 U CN 201721337274U CN 207413806 U CN207413806 U CN 207413806U
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- CN
- China
- Prior art keywords
- hairbrush
- air outlet
- outlet box
- separation device
- separatory vessel
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- 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
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Abstract
The utility model is related to food screening technique fields, disclose a kind of pneumatic separation device, including rack, conveyer belt, bellows and separatory vessel, separatory vessel is communicated with bellows, conveyer belt, and air outlet box is installed on separatory vessel, filter plate is installed in air outlet box, cleaning mechanism is installed on filter plate, cleaning mechanism includes with the hairbrush of slip, installs the fixation kit of hairbrush and drive the drive component of hairbrush, and drive component includes sliding block fixed with hairbrush and the screw rod of sliding block thread fitting and the servomotor of drive screw turns.This programme utilizes new construction, the cleaning mechanism being made of hairbrush, fixation kit and drive component is installed on filter plate, hairbrush is fixed in air outlet box by fixation kit, drive component utilizes servomotor drive screw turns, with this sliding block with screw flight cooperation is driven to move up and down, so as to which hairbrush be driven to be moved up and down on filter plate, constantly the sundries on filter plate is cleaned out, it is ensured that permanent air-out effect.
Description
Technical field
The utility model is related to food screening technique field, more particularly to a kind of pneumatic separation device.
Background technology
Winnowing machine is for vegetables, cereal, tealeaves and other food to be mingled in sorting and process of manufacture
The equipment of sundries removal.The removal of sundries is gradually evolved into during development in science and technology by hand picked mode using old-fashioned
Hand-rail type windmill is made a return journey the mode of impurity removing.In order to improve the efficiency of impurity removing, winnowing machine comes into being.At present, notification number
A kind of winnowing machine is disclosed for the Chinese utility model patent of CN 203944559U, including feed mechanism and pneumatic separator, feeding
Mechanism includes the conveyer belt for the setting that is inclined upwardly, and conveyer belt lower end position is equipped with feed hopper, and conveyer belt upper end position is equipped with discharging
Bucket, pneumatic separator include vertically arranged ventilation duct, air blower, and ventilation duct upper end connection windward deferent, windward deferent lower end connects
Leeward deferent is connect, gathers on windward deferent, lower air duct pipe outer wall and several decompression holes is set, ventilation pipe outer wall is equipped with feed inlet
And discharge port, discharge bucket tilts down setting and lower end is connected in feed hole edges.
Above-mentioned technical proposal, winnowing machine are in use separated sundries and material using wind-force, and by sundries
It is blown to outside leeward deferent.But the decompression hole of above-mentioned winnowing machine is easily blocked during the use of winnowing machine by sundries, loses drop
Effect is pressed, influences the outlet air of winnowing machine.
Utility model content
The purpose of this utility model is to provide a kind of pneumatic separation device, with cleaning mechanism, can muchly ensure it is good go out
Wind effect.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of pneumatic separation device, bag
Including rack and conveyer belt, the bellows for air inlet and the sorting for separating sundries in the rack for feeding
Case, the separatory vessel is communicated with the bellows, the conveyer belt, and air outlet box is equipped on the separatory vessel, the air outlet box
On filter plate is installed, cleaning mechanism is installed, the cleaning mechanism includes and separatory vessel sliding connects on the filter plate
Hairbrush, the drive component for installing the fixation kit of hairbrush and the driving hairbrush dedusting connect, the driving component bag
Include sliding block fixed with the hairbrush, the servo electricity rotated with the screw rod of the sliding block thread fitting and the driving screw rod
Machine.
By using above-mentioned technical proposal, cleaning mechanism on filter plate is installed, and cleaning mechanism is arranged to hairbrush, is consolidated
Determine the combination of component and drive component, hairbrush is fixed in air outlet box by fixation kit, and drive component include servomotor and
Screw rod using servomotor drive screw turns, drives the sliding block with screw flight cooperation to move up and down, and drives hairbrush with this
Carry out dedusting is moved up and down on filter plate, so as to constantly clean out the sundries on filter plate, it is ensured that permanent outlet air
Effect.
The utility model is further arranged to, and the cleaning mechanism further includes limit assembly, the limit assembly include with
The space limiting side plate that the air outlet box side wall is fixedly connected and the limit top plate being fixedly connected with the screw tip.
By using above-mentioned technical proposal, the limit assembly being made of space limiting side plate and limit top plate, space limiting side plate are set
It is deviated with the fixation of air outlet box side wall with limiting screw rod；Limit top plate departs from screw rod with screw tip fixation to limit sliding block, so as to
Ensure hairbrush when moving up and down to the cleaning effect of filter plate, improve the cleannes of pneumatic separation device.
The utility model is further arranged to, and the fixation kit includes the two clamping plates being fixedly connected with the sliding block,
The hairbrush is removably connected between two pieces of clamping plates.
By using above-mentioned technical proposal, fixation kit is arranged to the combination of two clamping plates, and hairbrush is detachably connected
Between two clamping plates, clamping plate is fixed with sliding block, when sliding block moves up and down, drive clamping plate and hairbrush move up and down to clear up it is miscellaneous
Object, after long-time use, since hairbrush and clamping plate are detachably connected, convenient for the periodic replacement of hairbrush, so that it is guaranteed that filter plate
Cleaning effect.
The utility model is further arranged to, and the hairbrush is equipped with the handle retracted.
By using above-mentioned technical proposal, the mounting knob on hairbrush, personnel easy to operation by hairbrush from two clamping plates it
Between retract, consequently facilitating the replacement of hairbrush.
The utility model is further arranged to, and is equipped with collection assembly of dust in the air outlet box, the collection assembly of dust include with
The disposal box that the air outlet box communicates and the hook for fixing the disposal box and the air outlet box are set in the air outlet box
There is the hangers for the hook grafting.
By using above-mentioned technical proposal, the collection assembly of dust of hook and disposal box composition is installed in air outlet box, and
On the side wall of air outlet box hangers is set to be inserted into for hook, disposal box is hung in air outlet box using hook so that air outlet box
On the sundries that drops stored in disposal box, convenient for clearing up sundries, dust recycling is avoided to influence sky into air
Makings amount improves the cleannes of production environment.
The utility model is further arranged to, and reclaiming plate is equipped in the separatory vessel, is offered on the reclaiming plate multiple
Ventilation hole.
By using above-mentioned technical proposal, reclaiming plate in separatory vessel is set, and multiple ventilation holes are set on reclaiming plate,
So that the wind in bellows is obtained through ventilation hole, and the material on reclaiming plate and sundries are separated, by what is be mingled on material
Sundries is blown in air outlet box, so as to achieve the purpose that selection by winnowing.
The utility model is further arranged to, and split channel, the split channel and the wind are equipped in the separatory vessel
Case communicates.
By using above-mentioned technical proposal, split channel in separatory vessel is set, the wind in bellows is divided into two strands, one
It blows from the bottom to top on reclaiming plate, one is blowed to the material on reclaiming plate by split channel from side, with the air-flow of both direction
Material and sundries are more thoroughly separated, so as to improve selection by winnowing effect.
The utility model is further arranged to, and deflector is equipped in the separatory vessel.
By using above-mentioned technical proposal, deflector is set in separatory vessel, using deflector by air-flow out of separatory vessel
It is directed in air outlet box, so as to which sundries is blown in air outlet box, falls into disposal box and cleared up convenient for sundries.
The utility model is further arranged to, and the conveyer belt one side is equipped with storage box.
By using above-mentioned technical proposal, storage box is set in conveyer belt one side, the material collection that will depart from conveyer belt,
So as to avoid the waste of material.
The utility model is further arranged to, and the conveyer belt is equipped with multiple convex blocks.
By using above-mentioned technical proposal, convex block is set on the conveyor belt, increase conveyer belt and material contact area and
Frictional force, so as to prevent material from departing from conveyer belt in transmission process, it is ensured that effective work of sorting mechanism.
In conclusion the utility model has the advantages that：
The 1st, the cleaning mechanism that is made of hairbrush, fixation kit and drive component is installed on filter plate, fixation kit is by hair
Brush is fixed in air outlet box, and drive component utilizes servomotor drive screw turns, and the cunning with screw flight cooperation is driven with this
Block moves up and down, and so as to which hairbrush be driven to be moved up and down on filter plate, constantly cleans out the sundries on filter plate, it is ensured that long
Long air-out effect；
The 2nd, the collection assembly of dust of hook and disposal box composition in air outlet box is installed, and set and hang on the side wall of air outlet box
Ear is inserted into for hook, disposal box is hung in air outlet box using hook so that the sundries to drop in air outlet box is in disposal box
It is inside stored, convenient for the cleaning to sundries, dust recycling is avoided to influence air quality into air；
The 3rd, convex block is set on the conveyor belt, increase the contact area and frictional force of conveyer belt and material, so as to prevent material
Depart from conveyer belt in transmission process, it is ensured that effective work of sorting mechanism.
Description of the drawings
Fig. 1 is the overall structure diagram of embodiment；
Fig. 2 is the diagrammatic cross-section of separatory vessel in embodiment；
Fig. 3 is the structure diagram of air outlet box in embodiment.
In figure：1st, rack；2nd, conveyer belt；21st, convex block；22nd, driving motor；3rd, bellows；4th, sorting mechanism；40th, feed inlet；
41st, blast pipe；42nd, separatory vessel；421st, discharge port；422nd, dust mouth；43rd, reclaiming plate；431st, ventilation hole；44th, deflector；45、
Air outlet box；451st, filter plate；452nd, air outlet；46th, split channel；5th, cleaning mechanism；51st, hairbrush；511st, handle；52nd, drive
Component；521st, servomotor；522nd, screw rod；523rd, sliding block；53rd, fixation kit；531st, clamping plate；532nd, threaded hole；533rd, screw；
54th, collection assembly of dust；541st, disposal box；542nd, link up with；543rd, hangers；55th, limit assembly；551st, space limiting side plate；552nd, spacing top
Plate；6th, storage box.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
As shown in Figure 1, a kind of pneumatic separation device, including rack 1, conveying is disposed in rack 1 along material transportation direction
Band 2, bellows 3 and sorting mechanism 4, sorting mechanism 4 include separatory vessel 42 and air outlet box 45.Conveyer belt 2 is obliquely installed, and is installed thereon
There is a driving motor 22, it is high that driving motor 22 drives conveyer belt 2 that material is delivered to its height by 2 height of conveyer belt low one end
One end.And conveyer belt 2 is equipped with multiple convex blocks 21, for convex block 21 along 2 length direction arranged distribution of conveyer belt, 21 upper surface of convex block can
It is contacted with material, increases the friction between material and conveyer belt 2, slid so as to be effectively prevented material from conveyer belt 2.
The low one end of the height of conveyer belt 2 is also set up there are one storage box 6, and storage box 6 is cuboid, inner hollow,
When the sundries on material slides along conveyer belt 2, storage box 6 plays the role of storage to the sundries of landing, consequently facilitating to sundries
Cleaning, improve the cleannes of production environment.
As shown in Figure 1 and Figure 2, separatory vessel 42 offers feed inlet 40 on the one side of conveyer belt 2, feed inlet 40 with it is defeated
Band 2 is sent to be connected, the material on conveyer belt 2 in feed inlet 40 by being transmitted in separatory vessel 42.
Bellows 3 are located at 2 downside of conveyer belt, and shape is cuboid, and air blower is equipped on inside（It is not shown）.Wind
The one end of case 3 away from separatory vessel 42 is air intake, is outlet air end close to one end of separatory vessel 42.It is fixed on the outlet air end of bellows 3
There are one blast pipe 41,41 one end of blast pipe is communicated with bellows 3, and the other end is communicated with separatory vessel 42.Air blower is by air from wind
The air intake sucking of case 3, then exported by the outlet air end of bellows 3 into blast pipe 41, air-flow enters separatory vessel by blast pipe 41
42 inside.
Reclaiming plate 43 is installed in separatory vessel 42, reclaiming plate 43 is inclined at 42 middle part of separatory vessel, and on reclaiming plate 43
Multiple ventilation holes 431 are offered, ventilation hole 431 vertically runs through reclaiming plate 43.43 both ends of reclaiming plate and separatory vessel 42
Side wall is fixed, and discharge port 421 is offered convenient for material on the side wall that the one end low with 43 height of reclaiming plate of separatory vessel 42 is connected
Discharging.
Separatory vessel 42 forms split channel 46 close to the one side sidewalls flex of bellows 3, and split channel 46 is arc-shaped, and shunts
The apical position of passage 46 is higher than the peak of reclaiming plate 43.When air-flow is from 42 bottom of separatory vessel into fashionable, air-flow is along separatory vessel
42 side walls are gradually increasing, most of to enter 42 top of separatory vessel by ventilation hole 431, and will be mingled in the material on reclaiming plate 43
Sundries blow afloat, realize the separation of sundries and material；Sub-fraction air-flow enters along 42 side wall of separatory vessel in split channel 46, and
It is flowed out from 46 upper end of split channel, first time selection by winnowing is carried out to the material fallen from feed inlet 40, it is miscellaneous by what is be mingled in material
Object carries out preliminary separation.Split channel 46 sorts material from non-vertical direction so that the separation of sundries is more thorough
Bottom improves the separating effect of sundries.
42 top of separatory vessel is equipped with deflector 44, and 44 one end of deflector is fixed on the upside of feed inlet 40, and the other end is curved
Song extends to 42 top of separatory vessel, and fixed with 42 top of separatory vessel.Separatory vessel 42 offers out dirt with 45 connectivity part of air outlet box
Mouthfuls 422 enter convenient for air-flow and the sundries being mingled in the gas flow in air outlet box 45, and the deflector 44 of arc is by 42 bottom of separatory vessel
The air-flow that portion rises is oriented in air outlet box 45, and the sundries being mingled in air-flow is brought into air outlet box 45.
As shown in Figure 2 and Figure 3,45 one side of air outlet box is equipped with filter plate 451, and multiple air outlets are offered on filter plate 451
452, air outlet 452 is through the outflow out of air outlet box 45 so as to air-flow of filter plate 451.
Cleaning mechanism 5 is installed, cleaning mechanism 5 includes hairbrush 51, fixation kit 53, drive component 52 on filter plate 451
With limit assembly 55.Drive component 52 includes servomotor 521 and screw rod 522, and servomotor 521 is mounted on 451 bottom of filter plate
Portion, screw rod 522 have two, wherein 522 bottom of a screw rod is connected with the output shaft of servomotor 521, another screw rod 522 is symmetrically set
It puts in 451 one side of filter plate.A sliding block 523 is threaded on two screw rods 522, fixation kit 53 includes two clamping plates
531, the end of two clamping plates 531 is fixedly connected with the sliding block 523 on two screw rods 522.Two clamping plates 531 are in one on the other
Position distribution, hairbrush 51 be mounted on two clamping plates 531 between.And offer multiple threaded holes on clamping plate 531 and hairbrush 51
532, the threaded hole 532 of the two corresponds, and thread fitting has screw 533 with strap 531 and hairbrush on threaded hole 532
51.Hairbrush 51 is provided with bristle close to the one side of filter plate 451（It is not shown）, for clearing up air outlet 452；Hairbrush 51 is away from mistake
The one side of filter plate 451 is equipped with handle 511, extracts hairbrush 51 between upper and lower two clamping plates 531 out when being conveniently replaceable hairbrush 51.
When servomotor 521 starts, the screw rod 522 being connected with servomotor 521 rotates therewith, and sliding block 523 is along screw rod 522 in vertical side
It moves up, clamping plate 531 is driven to move up and down, the hairbrush 51 on clamping plate 531 moves, so that the bristle of hairbrush 51 is not
The sundries being detained on disconnected cleaning air outlet 452, avoids air outlet 452 from blocking, it is ensured that the air-out effect of air outlet 452.
Limit assembly 55 includes space limiting side plate 551 and limit top plate 552, and space limiting side plate 551 is fixed on 451 liang of filter plate
Side, and the length direction of space limiting side plate 551 is consistent, crooked for limiting screw rod 522 and right with the short transverse of filter plate 451
The sundries that air outlet 452 laterally overflows is stopped.Limit top plate 552 is fixed on 451 top of filter plate, and limit top plate 552
Length direction it is consistent with the width of filter plate 451, for limit sliding block 523 depart from screw rod 522.
45 downside of air outlet box is equipped with collection assembly of dust 54, and collection assembly of dust 54 includes disposal box 541 and hook 542.Disposal box
541 be cuboid, inner hollow, and positioned at 45 downside of air outlet box.The storage inner cavity of disposal box 541 is communicated with air outlet box 45,
Sundries in air outlet box 45 drops down onto down under the effect of gravity to be stored in disposal box 541, avoids dust recycling shadow into air
Ring air quality.
There are four hooks 542, is respectively hinged on four side walls of disposal box 541.Four sidewall bottoms of air outlet box 45
Hangers 543 is respectively and fixedly provided with, 543 position of hangers is corresponding with hook 542, and overturning hook 542 can be by 542 insertion hangers 543 of hook
In, realize being detachably connected between disposal box 541 and air outlet box 45.
Material when in use, need to be only placed on conveyer belt 2, conveyer belt 2 is in the driving of driving motor 22 by the present embodiment
It is lower that material is delivered to the high one end of height by the low one end of 2 height of conveyer belt, and enter from feed inlet 40 in separatory vessel 42.Into
Enter the material in separatory vessel 42 in dropping process, be split the air-flow flowed out in passage 46 and carry out first time selection by winnowing, by material
In the sundries that is mingled with and material initial gross separation；Material is fallen under gravity on reclaiming plate 43, and on 42 bottom of separatory vessel
Second of selection by winnowing is carried out under the airflow function risen, air-flow enters 42 top of separatory vessel by ventilation hole 431, and will be on reclaiming plate 43
Material in the sundries that is mingled with blow afloat, realize the separation of sundries and material；Material slides after selection by winnowing twice along reclaiming plate 43,
And it is skidded off from discharge port 421.
In the above process, the air-flow in separatory vessel 42 constantly rises, and by separatory vessel under the guiding role of deflector 44
The dust mouth 422 at 42 tops enters in air outlet box 45.Into the air-flow in air outlet box 45 in the horizontal direction from filter plate 451
It is flowed out in air outlet 452；Part sundries is trapped under airflow function on filter plate 451, other sundries under the effect of gravity under
Fall and fall into disposal box 541 to be stored.
The sundries being trapped on filter plate 451 clears up it by cleaning mechanism 5, during cleaning, need to only start servo electricity
Machine 521, servomotor 521 drive screw rod 522 rotate, the sliding block 523 on screw rod 522 along screw rod 522 in the vertical direction or to
Lower movement drives clamping plate 531 to move up or down, and the hairbrush 51 on clamping plate 531 moves, so that the brush of hairbrush 51
Hair constantly cleared up the sundries being trapped on air outlet 452, and by under sundries brush, and sundries falls and falls into collection under the effect of gravity
It is stored in dirt case 541.Above-mentioned scale removal process constantly carries out under the operating of servomotor 521, and 521 cycle of servomotor
Property rotating cause screw rod 522 with some cycles rotating, the constantly sliding up and down of band electric brush 51 carries out air outlet 452
Cleaning repeatedly, so as to muchly ensure 452 good air-out effect of air outlet.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but
As long as it is all protected in the right of the utility model be subject to Patent Law.
Claims (10)
1. a kind of pneumatic separation device is used for the conveyer belt (2) of charging including rack (1) and in the rack (1), is used for
The bellows (3) of air inlet and the separatory vessel (42) for separating sundries, the separatory vessel (42) and the bellows (3), the conveying
Band (2) communicates, and air outlet box (45) is equipped on the separatory vessel (42), and filter plate is equipped on the air outlet box (45)
(451), it is characterized in that：Cleaning mechanism (5) is installed, the cleaning mechanism (5) includes and described point on the filter plate (451)
Select the hairbrush (51) of case (42) sliding connection, for installing the fixation kit of hairbrush (51) (53) and the driving hairbrush (51)
The drive component (52) of dedusting, the driving component (52) include and the hairbrush (51) fixed sliding block (523) and the cunning
The servomotor (521) that the screw rod (522) of block (523) thread fitting and the driving screw rod (522) rotate.
2. a kind of pneumatic separation device according to claim 1, it is characterized in that：The cleaning mechanism (5) further includes limit assembly
(55), the limit assembly (55) include the space limiting side plate (551) that is fixedly connected with the air outlet box (45) side wall and with institute
State the limit top plate (552) being fixedly connected at the top of screw rod (522).
3. a kind of pneumatic separation device according to claim 1, it is characterized in that：The fixation kit (53) includes and the sliding block
(523) two clamping plates (531) being fixedly connected, the hairbrush (51) are removably connected between two pieces of clamping plates (531).
4. a kind of pneumatic separation device according to claim 1, it is characterized in that：The hairbrush (51) is equipped with the handle retracted
Hand (511).
5. a kind of pneumatic separation device according to claim 1, it is characterized in that：Collection assembly of dust is installed on the air outlet box (45)
(54), the collection assembly of dust (54) includes the disposal box (541) communicated with the air outlet box (45) and for fixing the collection
Dirt case (541) and the hook (542) of the air outlet box (45), the air outlet box (45) are equipped with for described hook (542) grafting
Hangers (543).
6. a kind of pneumatic separation device according to claim 1, it is characterized in that：Reclaiming plate is equipped in the separatory vessel (42)
(43), multiple ventilation holes (431) are offered on the reclaiming plate (43).
7. a kind of pneumatic separation device according to claim 6, it is characterized in that：Split channel is equipped in the separatory vessel (42)
(46), the split channel (46) communicates with the bellows (3).
8. a kind of pneumatic separation device according to claim 1, it is characterized in that：Deflector is installed in the separatory vessel (42)
(44)。
9. a kind of pneumatic separation device according to claim 1, it is characterized in that：Conveyer belt (2) one side is equipped with storage box
(6)。
10. a kind of pneumatic separation device according to claim 1, it is characterized in that：The conveyer belt (2) is equipped with multiple convex blocks
(21)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721337274.5U CN207413806U (en) | 2017-10-17 | 2017-10-17 | A kind of pneumatic separation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721337274.5U CN207413806U (en) | 2017-10-17 | 2017-10-17 | A kind of pneumatic separation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207413806U true CN207413806U (en) | 2018-05-29 |
Family
ID=62311587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721337274.5U Expired - Fee Related CN207413806U (en) | 2017-10-17 | 2017-10-17 | A kind of pneumatic separation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207413806U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108636807A (en) * | 2018-06-21 | 2018-10-12 | 唐山陆凯科技有限公司 | A kind of adjustable air material separator of setting angle |
| CN111890560A (en) * | 2020-08-27 | 2020-11-06 | 张国庆 | Dry-mixed mortar raw material pretreatment process |
| CN113976445A (en) * | 2021-10-20 | 2022-01-28 | 百能数控设备（福建）有限公司 | Tea screening machine |
-
2017
- 2017-10-17 CN CN201721337274.5U patent/CN207413806U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108636807A (en) * | 2018-06-21 | 2018-10-12 | 唐山陆凯科技有限公司 | A kind of adjustable air material separator of setting angle |
| CN111890560A (en) * | 2020-08-27 | 2020-11-06 | 张国庆 | Dry-mixed mortar raw material pretreatment process |
| CN113976445A (en) * | 2021-10-20 | 2022-01-28 | 百能数控设备（福建）有限公司 | Tea screening machine |
| CN113976445B (en) * | 2021-10-20 | 2022-12-13 | 百能数控设备（福建）有限公司 | Tea screening machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180529 Termination date: 20191017 |
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| CF01 | Termination of patent right due to non-payment of annual fee |