CN207382953U - A kind of sieve spacing and dip-adjustable type combined harvester sorting screen - Google Patents
A kind of sieve spacing and dip-adjustable type combined harvester sorting screen Download PDFInfo
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- CN207382953U CN207382953U CN201621441086.2U CN201621441086U CN207382953U CN 207382953 U CN207382953 U CN 207382953U CN 201621441086 U CN201621441086 U CN 201621441086U CN 207382953 U CN207382953 U CN 207382953U
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- sieve
- waveform
- spacing
- sorting screen
- shear blade
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Abstract
The utility model is related to a kind of sieve spacing and dip-adjustable type combined harvester sorting screen, and driving mechanism, sorting screen side wall, tail sheet adjustable plate and eccentric axis of rocking are adjusted including shuttle board, deflector, scissors chip distance regulating mechanism, waveform sieve, zigzag tail sheet, lower sieve, spacing；Most front side, the deflector that shuttle board is located at sorting screen are welded on above shuttle board, and the compass screen surface of waveform sieve composition is at the lower rear of shuttle board；Lower sieve is below waveform sieve；Zigzag tail sheet is mounted on the one side of sorting screen side wall in waveform sieve rear portion, scissors chip distance regulating mechanism；Spacing adjusts driving mechanism and is located at tail sheet rear, on tail sheet adjustable plate；For the utility model device during waveform sieve spacing variation, change of pitch angle, sieve spacing also can be loose, shakes off to hang grass, reduces and hangs the possibility that grass blocks.
Description
Technical field
The utility model is related to a kind of sieve gaps and opening angle adjustable combining sorting screen, and it is small to can be widely used for rice
In the cleaning plant of the crops such as wheat, cleaning efficiency is improved.
Background technology
Threshing and cleaning is the core institution of combined harvester, and the quality of type of threshing and sorting mechanism performance directly affects the property of complete machine
Energy cleans effect with combined harvester.Vibrating screen is combined harvester threshing and cleaning important component.Traditional lip(ped) sieve is clear
During choosing, due to the influence at sieve fish scale tip, the careless phenomenon of extension is easily caused：It is the stalk that is fallen by roller, glume, light miscellaneous remaining etc.
It is suspended to fish scale tip, it is difficult to fall, compass screen surface stalk is caused to accumulate, sorting screen seed cleaning efficiency declines.To improve seed and miscellaneous
Remaining separating capacity, Chinese patent CN 102124871A propose that a kind of L-shaped promotes tooth, and L-shaped promotes tooth by integral circle is made
Arc is horizontal to promote tooth and vertical thrust tooth to form, and the shape of vertical thrust tooth is triangle, and the utility model is in cleaning load
When suitable, miscellaneous remaining propulsion area can be added, accelerates seed and miscellaneous remaining separation, but increased vertical thrust dental transition easily causes extension
Careless phenomenon influences the whereabouts of stalk etc., and when especially cleaning load is larger, easily compass screen surface blocks caused by hanging grass, and synthesis is cleaned
Effect is unknown.
In harvest, the crop of different cultivars, different field situations, the Grass Valley on sorting screen compass screen surface is than different, clearly
Select load that may also change at any time；When Grass Valley is bigger or cleaning load is big, sieve gap need to be increased, make the sundries such as stalk more
It easily falls, while also increases the saturating sieve amount of unit interval seed；Sorting screen burden is reduced with this.Conversely, sorting screen should be reduced
Sieve gap.In addition, because the material that threshing cylinder is fallen excessively densely is distributed compass screen surface middle front part, so being adjusted in sieve spacing
When, it is slightly larger to tend to the sieve gap adjustment range of middle front part, and afterbody adjustable range is corresponding smaller.Chinese patent CN
To solve the problems, such as that aperture is non-adjustable in 104737721A, propose a kind of fish scale sieve opening adjustment mechanism, stretched out by electric cylinder
Axis movement pulls fish scale sieve to achieve the purpose that adjust aperture.The patent realizes the adjusting of lip(ped) sieve aperture, but can not achieve
The adjusting of sieve longitudinal pitch；It can not realize that the otherness of compass screen surface different longitudinal position sieve spacing is adjusted.
Utility model content
Sorting screen during the work time, is susceptible to the careless phenomenon of extension, compass screen surface stalk is caused to accumulate, sorting screen seed cleaning effect
The problems such as rate declines and cleaning load is big, and sorting screen spacing is non-adjustable；To solve the above problems, the utility model provides one kind
Sieve clearance adjustable type combining sorting screen.
To realize above-mentioned purpose of utility model, the technical solution that the utility model is taken is：A kind of sieve spacing and inclination angle
Adjustable combined harvester sorting screen, including shuttle board, deflector, scissors chip distance regulating mechanism, waveform sieve, zigzag
Tail sheet, lower sieve, spacing adjust driving mechanism, sorting screen side wall, tail sheet adjustable plate and eccentric axis of rocking；Shuttle board is located at sorting screen
Most front side, deflector is welded on above shuttle board, and the compass screen surface of waveform sieve composition is at the lower rear of shuttle board；Lower sieve is in waveform
Below sieve；Zigzag tail sheet is mounted on the one side of sorting screen side wall in waveform sieve rear portion, scissors chip distance regulating mechanism；
Spacing adjusts driving mechanism and is located at tail sheet rear, on tail sheet adjustable plate；Waveform sieve includes：U-shaped cambered axle, cambered axle are thin
Wall, waveform tooth and spring；It is inserted into after the upper cantilever arm set upper roller of U-shaped cambered axle in the centre bore of shear blade；It is stretched out under U-shaped cambered axle
Connecting spring on arm, the spring other end are hung on shear blade installing plate；Scissors chip distance regulating mechanism include front end fixing axle,
Connecting pin, sliding slot, roller, shear blade, installing plate and tail end shifting axle；Shear blade includes：Centre bore and stomidium；Shear blade center
Hole is connected to front end fixing axle, and each shear blade connects the scissor type structure of stomidium composition by stomidium connecting pin；Waveform sieve is U-shaped
External part center section covers upper roller on cambered axle；It can be rolled in sliding slot；External part outermost end, which is inserted in, on waveform sieve cambered axle cuts
The centre bore of blade；Tail end shifting axle adjusts driving mechanism with spacing and is connected；Spacing adjusts driving mechanism by the first pull rod, connection
Bar, V-type direction conversion sheet, center mounting hole, the second pull rod, connection sheet, displacement sensor and electric cylinder composition, spacing, which is adjusted, drives
Motivation structure is mounted on tail sheet adjustable plate；The tail end movement axis connection of wherein the first pull rod and scissors chip distance regulating mechanism,
The other end is connected with connecting rod；The other end of connecting rod connects with V-type direction conversion sheet, and V-type direction conversion sheet is felt at ease in
It fills hole to be mounted on tail sheet adjustable plate, the other end is connected with the spherical plain bearing rod end on the projecting shaft of electric cylinder；Electric cylinder is stretched
Shaft is connected with the projecting shaft of displacement sensor by connection sheet.
In said program, the scissors chip size can determine different longitudinal directions between 40mm-60mm according to bench test
The scissors chip size of the sorting screen of position.
In said program, sorting screen length is 2.0m~2.5m, and width is 1.2m~1.5m, and flow guide bar length is 300mm-
500mm, height 40mm-60mm, the compass screen surface being made of at 70mm-90mm waveform sieve below the afterbody of shuttle board most before
End, lower sieve are stamped sieve.
In said program, the waveform tooth of the waveform sieve is trigonometric function waveform, and wave function amplitude is smaller, waveform
Functions amplitude value is between 10mm-18mm.
In said program, the shear blade installing plate in the scissors chip distance regulating mechanism is "Ji" type structure, in
Between space wall set sliding slot, can arrange scissors chip architecture, upper and lower sides are bolted on sorting screen side wall, while sliding slot
Surface is smooth, convenient for roller rolled.
In said program, the scissors chip distance regulating mechanism is mounted on sorting screen side wall one side, and opposite side also is provided with
Sliding slot, shear blade installing plate；But it is not provided with shear blade mechanism；It is i.e. unilateral that scissors chip distance regulating mechanism is pulled by electric cylinder
It is flexible, sliding slot of the roller of opposite side on the installing plate of the side is driven to roll, entire compass screen surface is pulled to move together.
The beneficial benefit of the utility model：(1) a kind of sieve spacing proposed is cleaned with dip-adjustable type combined harvester
Sieve；The sorting screen can drive the first pull rod to pull shear blade center by direct current drive cylinder external part through direction conversion sheet, change
Shear blade centre-to-centre spacing also just changes the sieve spacing of waveform sieve.Waveform sieve lower end hangs with compression spring simultaneously, passes through spring
The adjusting of sieve aperture can be achieved in effect；And it can realize：When sieve spacing maximum, aperture is also maximum.The utility model can
Meet Grass Valley ratio difference in sorting screen watering and separation procedure, to the aperture of sorting screen, what sieve spacing proposed newly will cleaning load difference
It asks；Grass Valley is realized than big, when abjection object amount is larger；Increase spacing, increase the saturating sieve amount of seed unit interval seed, increase is opened
Degree；Increase the stripping effect of air quantity.(2) because the material that threshing cylinder is fallen excessively densely is distributed compass screen surface middle front part, so
When sieve spacing is adjusted, it is slightly larger to tend to the sieve gap adjustment range of middle front part, and afterbody adjustable range is corresponding smaller.This reality
It mistake can change the scissors leaf length of same sorting screen different position together with new, change the spacing adjustable range of sieve.By setting
Above-mentioned requirements can be realized in sieve length 60mm, 50mm, 40mm before, during and after putting, and realize compass screen surface different longitudinal position sieve spacing
Otherness adjust.(3) in addition, new waveform sieve increment is mellow and full curve, radius of curvature is small, grass not easy to hang, also not
The sieve tip for being present with lip(ped) sieve formula hangs grass, and seed is caused remaining to be not easy to clean or even clogging with miscellaneous.And as aperture can
It adjusts, sieve spacing is adjustable, also can be loose during waveform sieve spacing variation, change of pitch angle, shakes off to hang grass, reduces extension grass
The possibility of blocking.
Description of the drawings
Fig. 1 is a kind of sieve spacing and dip-adjustable type combined harvester sorting screen overall pattern.
Fig. 2 is a kind of sieve spacing and dip-adjustable type combined harvester sorting screen top view.
Fig. 3 is waveform sieve front view.
Fig. 4 is scissors chip distance regulating mechanism front view.
Fig. 5 is partial view at M in Fig. 1.
Fig. 6 is shear blade front view.
Fig. 7 is that spacing adjusts driving mechanism right view.
Fig. 8 is that spacing adjusts driving mechanism top view.
In figure：1. shuttle board, 2. deflectors, 3. scissors chip distance regulating mechanisms, 4. waveform sieves, 5. zigzag tails
Sieve, 6. times sieves, 7. spacing adjust driving mechanism, 8. sorting screen side walls, 9. tail sheet adjustable plates, 10. eccentric axis of rocking 10,301.
Front end fixing axle, 302 connecting pins, 303 sliding slots, 304 rollers, 305 shear blades, 305-1 centre bores, 305-2 stomidiums, 306. scissors
Piece installing plate, 307 tail end shifting axles, 401U type cambered axles, 402 cambered axle thin-walleds, 403 waveform teeth, 404 springs, 701 first pull rods,
702 connecting rods, 703V types direction conversion sheet, 704 center mounting holes, 705 second pull rods, 706 connection sheets, 707 displacement sensors,
708 electric cylinders.
Specific embodiment
Below in conjunction with the accompanying drawings to a kind of sieve spacing of the utility model concrete model and dip-adjustable type combined harvester
Sorting screen specific implementation process is described further.
Such as Fig. 1, shown in 2, by shuttle board 1, deflector 2, scissors chip distance regulating mechanism 3, waveform sieve 4, zigzag
Tail sheet 5, lower sieve 6, spacing adjust driving mechanism 7, sorting screen side wall 8, tail sheet adjustable plate 9 and eccentric axis of rocking 10 and form.It cleans
When system works, material can be fallen on sorting screen, while material can also fall on after 2 even cloth of deflector on shuttle board 1 and clean
On sieve；It is acted on through wind turbine and waveform sieve, 6 is sieved under the punching that seed is fallen on；Some stalk miscellaneous remaining can blow to saw backward
Tooth form tail sheet 5, material are preceding how rear few in the overall distribution of sorting screen, therefore when adjusting, forward gap adjusting model should be tended to
It encloses slightly larger than middle and back.
As shown in figure 3, waveform sieve 4 includes：Cambered axle 401, cambered axle thin-walled 402 and waveform tooth 403 and spring 404.Waveform
The waveform tooth 403 of sieve 4 be trigonometric function waveform, wave function amplitude is small, wave function amplitude 10mm- 18mm it
Between.When material is fallen on sorting screen, since waveform sieve 4 is using waveform tooth 403, increment is mellow and full curve, not easy to hang
Grass, the sieve tip for being not in lip(ped) sieve formula hang grass, seed are caused to be not easy to clean or even block.
Such as Fig. 4, shown in 5,6, scissors chip distance regulating mechanism 3 includes front end fixing axle 301, connecting pin 302, sliding slot
303rd, roller 304, shear blade 305, installing plate 306 and tail end shifting axle 307；Shear blade 305 includes：Centre bore 305- 1 and end
Hole 305-2；Centre bore 305-1 on shear blade 305 is connected to front end fixing axle 301, and each shear blade 305 passes through stomidium 305-2
Connecting pin 302 connects the scissor type structure of stomidium composition；External part center section covers upper roller on the U-shaped cambered axle 401 of waveform sieve
304；It can be rolled in sliding slot 303；External part outermost end is inserted in the centre bore 305- of shear blade 305 on waveform sieve cambered axle 401
1；Tail end shifting axle 307 adjusts driving mechanism 7 with spacing and is connected；305 size of shear blade is between 40mm- 60mm, can basis
Bench test determines the scissors chip size of the sorting screen of different longitudinal position, i.e., corresponding sieve gap；It may generally be first three point
One of 305 length 60mm of shear blade；/ 3rd shear blade of middle part, 305 length 50mm, 305 length 40mm of afterbody shear blade.It cuts
Blade installing plate 306 is "Ji" type structure, and intermediate space side wall sets sliding slot 303, can arrange 305 structure of shear blade etc., on
Downside is bolted on sorting screen side wall 8, while detent surface is smooth, convenient for roller rolled.Scissors chip spacing tune
It saves mechanism 3 and is mounted on 8 one side of sorting screen side wall, opposite side also is provided with sliding slot 303, shear blade installing plate 306；But it is not provided with cutting
305 mechanism of blade；It is i.e. unilateral to pull scissors chip distance regulating mechanism 3 flexible by electric cylinder 708, drive the roller of opposite side
304 sliding slot 303 on the installing plate 306 of the side rolls, that is, entire compass screen surface is pulled to move together.
Such as Fig. 7, shown in 8：Spacing adjusts driving mechanism 7 by the first pull rod 701, connecting rod 702, V-type direction conversion sheet
703rd, center mounting hole 704, the second pull rod 705, connection sheet 706, displacement sensor 707 and electric cylinder 708 form.The mechanism is pacified
On tail sheet adjustable plate 9；Wherein the first pull rod 701 is connected with the tail end shifting axle 307 of scissors chip distance regulating mechanism 3,
The other end is connected with connecting rod 702；The other end of connecting rod 702 connects with V-type direction conversion sheet 703, V types direction conversion sheet
703 are mounted on by center mounting hole 704 on tail sheet adjustable plate, the rod end joint on the projecting shaft of the other end and electric cylinder 708
Bearing is connected.The projecting shaft of electric cylinder 708 and the projecting shaft of displacement sensor 707 are connected by connection sheet 706.
In normal work, the spacing of waveform tooth is moderate, and aperture is moderate, and sieve tilts backwards at this time；But work as and run into Grass Valley
Increased situation, original aperture and spacing have not applied to bigger or cleaning load suddenly, if processing may cause to block up not in time
Plug, electric cylinder is toward being pushed forward at this time, and for the effect of direction conversion sheet, the first pull rod can pull backward, pulls shear blade composition
Diamond shape centre bore, diamond shape can become " flat ", and horizontal direction catercorner length is elongated, i.e. the spacing of waveform sieve becomes larger.Originally tilt
When, lower end spring is in compression equilibrium state, and when sieve spacing becomes larger, compression stress is less than spring force, and spring then promotes lower end
Sieve acts on counterclockwise, sieve inclination angle is made to become larger, aperture also becomes larger；Just it is sieve when spring is stretched to free state
Also it is at this time electric cylinder furthest travel during aperture maximum (90 ° of inclination angle) spacing maximum, stop motion.Conversely, when load becomes smaller,
Aperture, when gap need to turn down, electric cylinder counter motion, principle is similar to the above.The utility model can meet sorting screen and clean
Grass Valley is than different in journey, and to the aperture of sorting screen during cleaning load difference, the new demand that sieve spacing proposes realizes that compass screen surface is different
The otherness of lengthwise position sieve spacing is adjusted.
Claims (6)
1. a kind of sieve spacing and dip-adjustable type combined harvester sorting screen, which is characterized in that including shuttle board（1）, water conservancy diversion
Plate（2）, scissors chip distance regulating mechanism（3）, waveform sieve（4）, zigzag tail sheet（5）, lower sieve（6）, spacing adjust driving
Mechanism（7）, sorting screen side wall（8）, tail sheet adjustable plate（9）With eccentric axis of rocking（10）；Shuttle board（1）Positioned at sorting screen most before
Side, deflector（2）It is welded on shuttle board（1）Above, waveform sieve（4）The compass screen surface of composition is in shuttle board（1）Lower rear；Lower sieve
（6）In waveform sieve（4）Lower section；Zigzag tail sheet（5）In waveform sieve（4）Rear portion, scissors chip distance regulating mechanism（3）Peace
Mounted in sorting screen side wall（8）One side；Spacing adjusts driving mechanism（7）Positioned at tail sheet rear, mounted on tail sheet adjustable plate（9）
On；
Waveform sieve（4）Including：U-shaped cambered axle（401）, cambered axle thin-walled（402）, waveform tooth（403）And spring（404）；U-shaped cambered axle
（401）Upper cantilever arm set upper roller（304）After be inserted into shear blade（305）Centre bore（305-1）It is interior；U-shaped cambered axle（401）Under
Connecting spring on cantilever arm（404）, spring（404）The other end hangs over shear blade installing plate（306）On；
Scissors chip distance regulating mechanism（3）Including front end fixing axle（301）, connecting pin（302）, sliding slot（303）, roller
（304）, shear blade（305）, installing plate（306）With tail end shifting axle（307）；Shear blade（305）Including：Centre bore（305-1）
And stomidium（305-2）；Shear blade（305）Centre bore（305-1）It is connected to front end fixing axle（301）, each shear blade（305）Pass through
Stomidium（305-2）Connecting pin（302）Connect the scissor type structure of stomidium composition；The U-shaped cambered axle of waveform sieve（401）In upper external part
Between partly cover upper roller（304）；It can be in sliding slot（303）Middle rolling；Waveform sieve cambered axle（401）Upper external part outermost end, which is inserted in, cuts
Blade（305）Centre bore（305-1）；Tail end shifting axle（307）Driving mechanism is adjusted with spacing（7）It is connected；
Spacing adjusts driving mechanism（7）By the first pull rod（701）, connecting rod（702）, V-type direction conversion sheet（703）, in feel at ease
Fill hole（704）, the second pull rod（705）, connection sheet（706）, displacement sensor（707）And electric cylinder（708）Composition, spacing are adjusted
Driving mechanism（7）Mounted on tail sheet adjustable plate（9）On；Wherein the first pull rod（701）With scissors chip distance regulating mechanism（3）'s
Tail end shifting axle（307）Connection, the other end and connecting rod（702）It is connected；Connecting rod（702）The other end and V-type direction convert
Piece（703）Connect, V-type direction conversion sheet（703）Pass through center mounting hole（704）On tail sheet adjustable plate, the other end and
Electric cylinder（708）Projecting shaft on spherical plain bearing rod end be connected；Electric cylinder（708）Projecting shaft and displacement sensor（707）
Projecting shaft pass through connection sheet（706）Connection.
2. a kind of sieve spacing according to claim 1 and dip-adjustable type combined harvester sorting screen, which is characterized in that
The shear blade（305）Size is between 40mm-60mm.
3. a kind of sieve spacing according to claim 1 and dip-adjustable type combined harvester sorting screen, which is characterized in that
Sorting screen length be 2.0m ~ 2.5m, width be 1.2m ~ 1.5m, flow guide bar length be 300mm-500mm, height 40mm-60mm,
Shuttle board（1）Afterbody below be by waveform sieve at 70mm-90mm（4）The front end of the compass screen surface of composition, lower sieve（6）For punching
Sieve.
4. a kind of sieve spacing according to claim 1 and dip-adjustable type combined harvester sorting screen, which is characterized in that
The waveform sieve（4）Waveform tooth（403）For trigonometric function waveform, amplitude is between 10mm-18mm.
5. a kind of sieve spacing according to claim 1 and dip-adjustable type combined harvester sorting screen, which is characterized in that
The scissors chip distance regulating mechanism（3）In shear blade installing plate（306）For " several " font, intermediate space side wall sets sliding slot
（303）, upper and lower sides are bolted in sorting screen side wall（8）On, detent surface is smooth.
6. a kind of sieve spacing according to claim 1 and dip-adjustable type combined harvester sorting screen, which is characterized in that
The scissors chip distance regulating mechanism（3）Mounted on sorting screen side wall（8）One side, opposite side are equipped with sliding slot（303）And scissors
Piece installing plate（306）, pass through electric cylinder（708）Pull scissors chip distance regulating mechanism（3）It is flexible, drive the roller of opposite side
（304）Installing plate in the side（306）On sliding slot（303）It rolls, entire compass screen surface is pulled to move together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621441086.2U CN207382953U (en) | 2016-12-27 | 2016-12-27 | A kind of sieve spacing and dip-adjustable type combined harvester sorting screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621441086.2U CN207382953U (en) | 2016-12-27 | 2016-12-27 | A kind of sieve spacing and dip-adjustable type combined harvester sorting screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207382953U true CN207382953U (en) | 2018-05-22 |
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ID=62401596
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621441086.2U Expired - Fee Related CN207382953U (en) | 2016-12-27 | 2016-12-27 | A kind of sieve spacing and dip-adjustable type combined harvester sorting screen |
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| Country | Link |
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| CN (1) | CN207382953U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106612996A (en) * | 2016-12-27 | 2017-05-10 | 江苏大学 | Combined harvester sorting sieve with sieve piece spacing and oblique angle adjustable |
| CN108811695A (en) * | 2018-06-28 | 2018-11-16 | 江苏大学 | A kind of anti-blocking cleaning plant of segmented and its control method of variable angle of heel |
| CN109937712A (en) * | 2019-02-20 | 2019-06-28 | 江苏大学 | A kind of cleaning plant and the cropper for installing the device |
| CN115739585A (en) * | 2022-12-14 | 2023-03-07 | 盐城市怡美食品有限公司 | Sieving mechanism of usefulness is purchased to quick-freeze food |
-
2016
- 2016-12-27 CN CN201621441086.2U patent/CN207382953U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106612996A (en) * | 2016-12-27 | 2017-05-10 | 江苏大学 | Combined harvester sorting sieve with sieve piece spacing and oblique angle adjustable |
| CN108811695A (en) * | 2018-06-28 | 2018-11-16 | 江苏大学 | A kind of anti-blocking cleaning plant of segmented and its control method of variable angle of heel |
| CN109937712A (en) * | 2019-02-20 | 2019-06-28 | 江苏大学 | A kind of cleaning plant and the cropper for installing the device |
| CN115739585A (en) * | 2022-12-14 | 2023-03-07 | 盐城市怡美食品有限公司 | Sieving mechanism of usefulness is purchased to quick-freeze food |
| CN115739585B (en) * | 2022-12-14 | 2024-03-26 | 盐城市怡美食品有限公司 | Screening device for quick-frozen food acquisition |
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| 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: 20180522 Termination date: 20191227 |