CN209109608U - A kind of tea seed screening installation for tea seed oil expression - Google Patents

A kind of tea seed screening installation for tea seed oil expression Download PDF

Info

Publication number
CN209109608U
CN209109608U CN201821649120.4U CN201821649120U CN209109608U CN 209109608 U CN209109608 U CN 209109608U CN 201821649120 U CN201821649120 U CN 201821649120U CN 209109608 U CN209109608 U CN 209109608U
Authority
CN
China
Prior art keywords
tea seed
screen box
blast pipe
wind
bevel gear
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.)
Active
Application number
CN201821649120.4U
Other languages
Chinese (zh)
Inventor
雷爱民
黄祥元
蒋艾青
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Sky Technology Co Ltd
Original Assignee
Hunan Sky Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hunan Sky Technology Co Ltd filed Critical Hunan Sky Technology Co Ltd
Priority to CN201821649120.4U priority Critical patent/CN209109608U/en
Application granted granted Critical
Publication of CN209109608U publication Critical patent/CN209109608U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Tea And Coffee (AREA)

Abstract

The utility model provides a kind of tea seed screening installation for tea seed oil expression, including penetrating through the feed hopper of grafting and the servo motor of screen box upper end welding on screen box, screen box roof, the upper end of the screen box is provided with wind filter device, first rotating shaft on the servo motor is connected with first bevel gear by shaft coupling, and first bevel gear is engaged with second bevel gear, the lower end of the second bevel gear is vertically connected with rotation axis, and the lower end of rotation axis reaches the inner cavity of screen box and is rotatably connected on the upper end of sieve plate.The utility model overcomes the deficiencies in the prior art, design is reasonable, it is compact-sized, in such a way that screen box is toppled in rotation, the tea seed that effective discharge screening is completed, simultaneously, wind filter device is added, the floating ash being mingled in tea seed and fine impurities are effectively removed one step ahead, in conjunction with sieve plate, filter out cleaner tea seed for extracting oil.

Description

A kind of tea seed screening installation for tea seed oil expression
Technical field
The utility model relates to tea seed oil equipment technical fields, and in particular to a kind of tea seed for tea seed oil expression Screening installation.
Background technique
Tea seed refers to the fruit of tea oil tree.Fruit is capsule, mostly ellipse, have fine, soft fur.Seed is mostly yellowish-brown, It is glossy, triangular shape.
The tea oil that tea seed presses, is a kind of high quality food oil, and unsaturated fatty acid content is not 90% or more, and not It is not easy rancid containing erucic acid than other edible oils more resistant to storage.Edible camellia oil will not only be such that body's cholesterol increases, and be suitble to height Blood pressure diseases edible for patients, but also there is weight-reducing, reducing blood lipid, prevent the health-care effects such as vascular sclerosis.
Existing tea seed needs to carry out Screening Treatment to tea seed before oil expression, removes dust, stone in tea seed The extra impurity such as son and branches and leaves, tea well cuts ratio is excessively high when preventing from extracting oil, and influences the quality of tea oil oil yield and tea oil.
The patent of Publication No. CN207357591U discloses a kind of screening plant of tea seed, it includes crust of the device, The top of described device shell is equipped with opening, and crust of the device is fixedly installed with feeding-passage, the side of crust of the device in opening Inner wall is fixedly installed with fixed link, and one end of fixed link is rotatably connected to rotating wheel, and rotating wheel is located at the underface of feeding-passage, The device ensures that high-quality tea seed can be filtered out accurately by the setting of the double-deck screening, but the device in discharging compared with For trouble, tea seed is inconvenient after the completion of screening to be taken out, for this purpose, we have proposed a kind of tea seed screenings for tea seed oil expression Equipment.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of tea seed screening installation for tea seed oil expression, The deficiencies in the prior art are overcome, design is rationally, compact-sized, in such a way that screen box is toppled in rotation, effective discharge sieve The tea seed completed is selected, meanwhile, wind filter device is added, what is be effectively mingled in removal tea seed one step ahead is floating grey and tiny Impurity filters out cleaner tea seed for extracting oil in conjunction with sieve plate.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs:
It is a kind of for tea seed oil expression tea seed screening installation, including on screen box, screen box roof penetrate through grafting into The servo motor of hopper and the welding of screen box upper end, the upper end of the screen box are provided with wind filter device, the servo electricity First rotating shaft on machine is connected with first bevel gear by shaft coupling, and first bevel gear is engaged with second bevel gear, and described The lower end of two bevel gears is vertically connected with rotation axis, and the lower end of rotation axis reaches the inner cavity of screen box and is rotatably connected on sieve plate Upper end, the sieve plate is fixedly connected with the inner sidewall of screen box, and sets that there are two spreading plate, the spreading plates above sieve plate Upper end be vertically connected with spiral arm, the opposite side in two spiral arm upper ends is fixedly connected with the side wall of rotation axis, the sieve It selects and penetrates through grafting on the side wall of case in parallel there are two discharge nozzle, and discharge nozzle is located on one section of screen box exocoel and is equipped with discharging Valve, the lower end of the screen box are fixedly connected there are four hinged seat, and two hinged seats positioned at right side have been respectively articulated with two A support rod, and two hinged seats for being located at left side are respectively articulated with there are two electric hydaulic bar, two support rods and Two electric hydaulic bars are vertically connected on the upper end of pedestal, and pedestal is fixed on the ground by multiple swell fixtures.
Preferably, the wind filter device includes first pulley, and the first pulley is fixedly attached in first rotating shaft, And first pulley is connected with the second belt wheel by driving belt, the front end of second belt wheel is vertically connected with the second shaft, and The front end of second shaft reaches the inner cavity of blast pipe and is connected with wind wheel, the inner sidewall rotation connection of the wind wheel and blast pipe, The lower end of the blast pipe runs through the roof of screen box and extends into the inner cavity of screen box, and the upper end perforation of blast pipe is connected with Wind sucting chamber offers multiple air inlets on the side wall of the wind sucting chamber, and is fixedly installed with filter screen on air inlet, the screening The ash discharging hole to match with the lower end of blast pipe is offered on the side wall of case, and fine screen mesh is installed on ash discharging hole.
Preferably, it is bend pipe structure that the blast pipe, which is located at screening one section of box cavity, and curved angle be 120 ° extremely 150°。
Preferably, the feed hopper is between blast pipe and ash discharging hole, and feed hopper extends into the length of screening box cavity Degree is less than the length that blast pipe extends into screening box cavity.
Preferably, the quantity of the air inlet, which is more than, is equal to 8, and multiple air inlet annular arrays are distributed.
Preferably, two discharge nozzles are located at the top of sieve plate and the side wall lower ends of screen box, and two dischargings Pipe is respectively positioned on side of the screen box far from electric hydaulic bar.
(3) beneficial effect
The utility model embodiment provides a kind of tea seed screening installation for tea seed oil expression.Have following beneficial to effect Fruit:
1, by the composite structure of wind wheel, blast pipe, wind sucting chamber and filter screen, ash discharging hole and fine screen mesh, first band is added Wheel drives the rotation of the second belt wheel by driving belt, drives wind wheel to rotate in the inner cavity of blast pipe by the second shaft, extraneous Air enter wind sucting chamber by multiple air inlets in wind sucting chamber, and the blast pipe by penetrating through enters the inner cavity of screen box, Floating ash in tea seed is blowed to ash discharging hole with fine impurities by the wind-force of blast pipe lower end bend pipe discharge, and by pacifying at ash discharging hole The fine screen mesh of dress is discharged, and substantially increases screening efficiency.
2, by the composite structure of hinged seat, support rod and electric hydaulic bar, cooperate two discharge nozzles and outlet valve, it is electronic Hydraulic stem starting pushes screen box to rotate inclination along the upper end of support rod, opens the outlet valve on two discharge nozzles, is located at upper Large granular impurity and branches and leaves on the discharge nozzle discharge sieve plate at end, the cleaning oil positioned at the discharge nozzle discharge screen box bottom of lower end Tea seed effectively saves manpower while improving screening efficiency, convenient for taking out the tea seed that screening is completed.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is status diagram when tea seed is discharged in the utility model;
Fig. 3 is wind filter apparatus structure schematic diagram.
In figure: screen box 1, feed hopper 2, servo motor 3, first bevel gear 4, second bevel gear 5, wind filter device 6, First pulley 61, driving belt 62, the second belt wheel 63, wind wheel 64, blast pipe 65, wind sucting chamber 66, filter screen 67, fine screen mesh 68, Rotation axis 7, sieve plate 8, spreading plate 9, spiral arm 10, discharge nozzle 11, outlet valve 12, hinged seat 13, support rod 14, electric hydaulic bar 15, pedestal 16, swell fixture 17.
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.Based on the implementation in the utility model Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to The range of the utility model protection.
Referring to attached drawing, a kind of tea seed screening installation for tea seed oil expression, including passed through on screen box 1,1 roof of screen box The feed hopper 2 of logical grafting and the servo motor 3 of 1 upper end of screen box welding, the upper end of the screen box 1 is provided with air sifting and chooses to install 6 are set, the first rotating shaft on the servo motor 3 is connected with first bevel gear 4 by shaft coupling, and first bevel gear 4 is engaged with Second bevel gear 5, the lower end of the second bevel gear 5 is vertically connected with rotation axis 7, and the lower end of rotation axis 7 reaches screen box 1 Inner cavity and be rotatably connected on the upper end of sieve plate 8, the sieve plate 8 is fixedly connected with the inner sidewall of screen box 1, and sieve plate 8 is upper Side is set there are two spreading plate 9, and the upper end of the spreading plate 9 is vertically connected with spiral arm 10, and two 10 upper ends of spiral arm are opposite Side is fixedly connected with the side wall of rotation axis 7, and penetrating through grafting on the side wall of the screen box 1 in parallel, there are two discharge nozzles 11, and Discharge nozzle 11, which is located on one section of 1 exocoel of screen box, is equipped with outlet valve 12, there are four the lower end of the screen box 1 is fixedly connected Hinged seat 13, two hinged seats 13 positioned at right side are respectively articulated with there are two support rod 14, and are located at two institutes in left side It states hinged seat 13 to be respectively articulated with there are two electric hydaulic bar 15, two support rods 14 and two electric hydaulic bars 15 are vertical It is connected to the upper end of pedestal 16, and pedestal 16 is fixed on the ground by multiple swell fixtures 17, when electric hydaulic bar 15 starts, It pushes screen box 1 to rotate inclination along the upper end of support rod 14, the outlet valve 12 on two discharge nozzles 11 is opened, positioned at upper end Large granular impurity and branches and leaves on sieve plate 8 is discharged in discharge nozzle 11, and the cleaning of 1 bottom of screen box is discharged positioned at the discharge nozzle 11 of lower end Tea seed effectively saves manpower while improving screening efficiency, convenient for taking out the tea seed that screening is completed.
The wind filter device 6 includes first pulley 61, and the first pulley 61 is fixedly attached in first rotating shaft, and First pulley 61 is connected with the second belt wheel 63 by driving belt 62, and the front end of second belt wheel 63 is vertically connected with second turn Axis, and the front end of the second shaft reaches the inner cavity of blast pipe 65 and is connected with wind wheel 64, the wind wheel 64 is interior with blast pipe 65 The lower end of side wall rotation connection, the blast pipe 65 runs through the roof of screen box 1 and extends into the inner cavity of screen box 1, and enters the wind The upper end perforation of pipe 65 is connected with wind sucting chamber 66, offers multiple air inlets on the side wall of the wind sucting chamber 66, and on air inlet It is fixedly installed with filter screen 67, the ash discharging hole to match with the lower end of blast pipe 65 is offered on the side wall of the screen box 1, and Fine screen mesh 68 is installed, first pulley 61 drives the rotation of the second belt wheel 63 by driving belt 62, passes through second turn on ash discharging hole Axis drives wind wheel 64 to rotate in the inner cavity of blast pipe 65, and extraneous air enters suction by multiple air inlets in wind sucting chamber 66 Air compartment 66, and enter by the blast pipe 65 of perforation the inner cavity of screen box 1, the wind-force of 65 lower end bend pipe of blast pipe discharge is by oil tea Floating ash and fine impurities in seed blow to ash discharging hole, and the fine screen mesh by installing at ash discharging hole is discharged, and substantially increases screening Efficiency.
The blast pipe 65 is located at one section of 1 inner cavity of screen box for bend pipe structure, and curved angle is 120 ° to 150 °, The angle of bend pipe effectively matches ash discharging hole, while inclined angle increases the contact area of wind-force and tea seed, effectively The floating ash and fine impurities mixed in removal tea seed.
The feed hopper 2 is between blast pipe 65 and ash discharging hole, and feed hopper 2 extends into the length of 1 inner cavity of screen box Less than the length that blast pipe 65 extends into 1 inner cavity of screen box, the wind-force blown out convenient for blast pipe 65 comes into full contact with tea seed, goes Except the floating ash and fine impurities mixed from the tea seed that feed hopper 2 is fallen.
The quantity of the air inlet be more than be equal to 8, and multiple air inlet annular arrays be distributed, it is multiple it is equally distributed into Air port is entered the wind simultaneously, and under the rotation of wind wheel 64, extraneous air is effectively pumped into wind sucting chamber 66, increases wind-force.
Two discharge nozzles 11 are located at the top of sieve plate 8 and the side wall lower ends of screen box 1, and two discharge nozzles 11 It is respectively positioned on side of the screen box 1 far from electric hydaulic bar 15, when electric hydaulic bar 15 starts, pushes screen box 1 along support The upper end of bar 14 rotates inclination, and two discharge nozzles 11 are respectively positioned on the downside of screen box 1, is convenient for discharge, the discharging positioned at upper end Large granular impurity and branches and leaves on sieve plate 8 is discharged in pipe 11, and the clean oil tea of 1 bottom of screen box is discharged positioned at the discharge nozzle 11 of lower end Seed effectively saves manpower while improving screening efficiency, convenient for taking out the tea seed that screening is completed.
The servo motor 3 collectively constitutes a series circuit, the electric hydaulic bar 15 by conducting wire with external power supply One series circuit is collectively constituted by conducting wire with external power supply.
As shown in Figure 1-3, a kind of tea seed screening installation working principle for tea seed oil expression is as follows: through staff's tune After examination, external power supply is connected, servo motor 3 starts, and first pulley 61 is driven to rotate, and first pulley 61 passes through 62 band of driving belt Dynamic second belt wheel 63 rotation, drives wind wheel 64 to rotate in the inner cavity of blast pipe 65, extraneous air passes through by the second shaft Multiple air inlets in wind sucting chamber 66 enter wind sucting chamber 66, and enter the inner cavity of screen box 1 by the blast pipe 65 of perforation;
Tea seed to be screened is poured into the inner cavity of screen box 1 by feed hopper 2, at this point, 65 lower end bend pipe of blast pipe is arranged Floating ash in tea seed is blowed to ash discharging hole with fine impurities by wind-force out, and the fine screen mesh by installing at ash discharging hole is discharged, Tea seed after preliminary wind filter is fallen on sieve plate 8, and servo motor 3 starts, and first bevel gear 4 is driven to rotate, the first cone Gear 4 engages second bevel gear 5, and rotation axis 7 is driven to rotate, and two spiral arms 10 connected in 7 bottom side of the wall of rotation axis drive two A spreading plate 9 rotates, and tea seed is uniformly paved onto sieve plate 8, tea seed falls to screen box by the mesh on sieve plate 8 1 bottom, impurity and branches and leaves of bulky grain etc. stay in the upper end of sieve plate 8;
After the completion of screening, external power supply is connected, electric hydaulic bar 15 starts, and pushes screen box 1 along the upper of support rod 14 End rotation inclination, opens the outlet valve 12 on two discharge nozzles 11, and the bulky grain on sieve plate 8 is discharged in the discharge nozzle 11 positioned at upper end The clean tea seed of 1 bottom of screen box is discharged positioned at the discharge nozzle 11 of lower end, is improving the same of screening efficiency for impurity and branches and leaves When, manpower is saved, effectively convenient for taking out the tea seed that screening is completed.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that There is also other identical elements in process, method, article or equipment including the element.
Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations;Although referring to aforementioned reality Example is applied the utility model is described in detail, those skilled in the art should understand that: it still can be to preceding Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features;And these It modifies or replaces, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution It encloses.

Claims (6)

1. a kind of tea seed screening installation for tea seed oil expression, the charging including penetrating through grafting on screen box, screen box roof The servo motor of bucket and the welding of screen box upper end, it is characterised in that: the upper end of the screen box is provided with wind filter device, institute The first rotating shaft stated on servo motor is connected with first bevel gear by shaft coupling, and first bevel gear is engaged with the second cone tooth Wheel, the lower end of the second bevel gear is vertically connected with rotation axis, and the lower end of rotation axis reaches inner cavity and the rotation of screen box It is connected to the upper end of sieve plate, the sieve plate is fixedly connected with the inner sidewall of screen box, and is set above sieve plate there are two spreading plate, The upper end of the spreading plate is vertically connected with spiral arm, and the side wall of two spiral arm upper ends opposite side and rotation axis is fixed to be connected It connects, penetrating through grafting on the side wall of the screen box in parallel, there are two discharge nozzles, and discharge nozzle is located on one section of screen box exocoel Outlet valve is installed, the lower end of the screen box is fixedly connected with two hinged seats point there are four hinged seat, positioned at right side Hinged there are two support rods, and two hinged seats for being located at left side are respectively articulated with that there are two electric hydaulic bar, two institutes It states support rod and two electric hydaulic bars is vertically connected on the upper end of pedestal, and pedestal is fixed on ground by multiple swell fixtures On face.
2. a kind of tea seed screening installation for tea seed oil expression as described in claim 1, it is characterised in that: the air sifting Screening device includes first pulley, and the first pulley is fixedly attached in first rotating shaft, and first pulley is connected by driving belt It is connected to the second belt wheel, the front end of second belt wheel is vertically connected with the second shaft, and the front end of the second shaft reaches blast pipe Inner cavity and be connected with wind wheel, the rotation connection of the inner sidewall of the wind wheel and blast pipe, the lower end of the blast pipe is through screening The roof of case and the inner cavity for extending into screen box, and the upper end perforation of blast pipe is connected with wind sucting chamber, the side wall of the wind sucting chamber On offer multiple air inlets, and be fixedly installed with filter screen on air inlet, offer and enter the wind on the side wall of the screen box The ash discharging hole that the lower end of pipe matches, and fine screen mesh is installed on ash discharging hole.
3. a kind of tea seed screening installation for tea seed oil expression as claimed in claim 2, it is characterised in that: the blast pipe One section positioned at screening box cavity is bend pipe structure, and curved angle is 120 ° to 150 °.
4. a kind of tea seed screening installation for tea seed oil expression as claimed in claim 2, it is characterised in that: the feed hopper Between blast pipe and ash discharging hole, and feed hopper extend into screening box cavity length be less than blast pipe extend into screen box The length of chamber.
5. a kind of tea seed screening installation for tea seed oil expression as claimed in claim 2, it is characterised in that: the air inlet Quantity be more than be equal to 8, and multiple air inlet annular arrays be distributed.
6. a kind of tea seed screening installation for tea seed oil expression as described in claim 1, it is characterised in that: go out described in two Expects pipe is located at the top of sieve plate and the side wall lower ends of screen box, and two discharge nozzles are respectively positioned on screen box far from electric hydaulic The side of bar.
CN201821649120.4U 2018-10-11 2018-10-11 A kind of tea seed screening installation for tea seed oil expression Active CN209109608U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821649120.4U CN209109608U (en) 2018-10-11 2018-10-11 A kind of tea seed screening installation for tea seed oil expression

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821649120.4U CN209109608U (en) 2018-10-11 2018-10-11 A kind of tea seed screening installation for tea seed oil expression

Publications (1)

Publication Number Publication Date
CN209109608U true CN209109608U (en) 2019-07-16

Family

ID=67200641

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821649120.4U Active CN209109608U (en) 2018-10-11 2018-10-11 A kind of tea seed screening installation for tea seed oil expression

Country Status (1)

Country Link
CN (1) CN209109608U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115193709A (en) * 2022-06-17 2022-10-18 东莞理工学院 Shield muck recovery processing device and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115193709A (en) * 2022-06-17 2022-10-18 东莞理工学院 Shield muck recovery processing device and method
CN115193709B (en) * 2022-06-17 2023-10-03 东莞理工学院 Shield residue soil recycling device and method

Similar Documents

Publication Publication Date Title
CN201523643U (en) Melon peeling and deseeding machine
CN205833352U (en) A kind of screening plant of bud seedling vegetable seed
CN211047893U (en) Threshing and impurity removing device for corn processing
CN208480567U (en) A kind of Chinese chestnut sheller
CN209109608U (en) A kind of tea seed screening installation for tea seed oil expression
CN110976003A (en) Traditional Chinese medicinal material crushing and screening machine convenient for cleaning filter screen and using method thereof
CN205408662U (en) Oil tree peony seed sorting unit that threshes
CN205550864U (en) A meticulous sieving mechanism for alfalfa seed
CN210279760U (en) Novel chinese herbal medicine sieve separator
CN108936430A (en) Red date slices production, sewage treatment and jujube core recycle combination process
CN209346017U (en) A kind of oil-tea camellia husks and tea seed separator
CN209061601U (en) A kind of oil tea processing unit (plant)
CN209333799U (en) A kind of grain processing apparatus convenient for dedusting peeling
CN217189775U (en) Hot pepper reducing mechanism with drying function
CN207221486U (en) A kind of kudzuvine root juice filtration apparatus
CN211659441U (en) Novel freshly squeezed coconut juice filters device
CN208526946U (en) Pueraria lobata screenings separator
CN216323115U (en) Integrated separating device for preparing kiwi fruit pollen
CN211965005U (en) Impurity removing device for pre-packaged food raw materials
CN221044204U (en) Soybean belt cleaning device is used in soybean paste production
CN217491110U (en) Pod pepper washs and smashes all-in-one in grades
CN211141985U (en) High-efficient tea seed oil squeezes equipment
CN210671366U (en) Large radish threshing machine
CN215744848U (en) Crop seed screening device
CN208695614U (en) A kind of pneumatic type paddy screening machine device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant