JPS59102483A - Continuous coarse tea classifier - Google Patents
Continuous coarse tea classifierInfo
- Publication number
- JPS59102483A JPS59102483A JP21164982A JP21164982A JPS59102483A JP S59102483 A JPS59102483 A JP S59102483A JP 21164982 A JP21164982 A JP 21164982A JP 21164982 A JP21164982 A JP 21164982A JP S59102483 A JPS59102483 A JP S59102483A
- Authority
- JP
- Japan
- Prior art keywords
- sieve
- tea
- tea leaves
- weir plate
- frame
- 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.)
- Granted
Links
Landscapes
- Tea And Coffee (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
本発明は、製茶業界において荒茶を細身と粗物に選別さ
せる機械に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a machine for sorting rough tea into fine and rough tea in the tea industry.
本発明者は先に機枠に振動手段により所定振巾の振動を
与えられる篩枠を支持させ、この篩枠に筒状の篩を回転
可能に支持させて、該筒状篩にその目詰りに伴い使用位
置を更新させる回転手段を連係させた連続式の荒茶選別
機を発明して特願昭５６−２１３６０２号として出願し
た。このものは振動手段により所定振巾の振動を与えら
れて茶葉を選別している筒状篩の一部が目詰りすれば、
筒状篩を回転させて目詰りしていない他の部分で選別が
行われる様に篩の使用位置を更新することにより、荒茶
選別の連続自動化を可能として業界の注目を集めている
。The present inventor first made the machine frame support a sieve frame which is vibrated with a predetermined amplitude by a vibrating means, rotatably supports a cylindrical sieve on this sieve frame, and prevents clogging of the cylindrical sieve. Accordingly, he invented a continuous rough tea sorting machine that was linked with a rotating means for updating the position of use, and filed an application as Japanese Patent Application No. 1983-213602. If a part of the cylindrical sieve that is vibrated at a predetermined amplitude by a vibrating means to sort tea leaves becomes clogged,
By rotating the cylindrical sieve and changing the position of the sieve so that the sieve is used in other areas that are not clogged, it is possible to continuously automate rough tea sorting, and is attracting attention in the industry.
しかし、このものは筒状篩が茶葉の移働抑制手段を備え
ていないため、投入茶葉が篩の振動により速かに篩内を
通過してしまい、必要とする選別時間を与えられないか
ら、粗物の中に相当量の細身が混入する欠点があった。However, in this case, the cylindrical sieve does not have a means for suppressing the movement of tea leaves, so the introduced tea leaves quickly pass through the sieve due to the vibration of the sieve, and the necessary sorting time is not given. There was a drawback that a considerable amount of slender meat was mixed into the coarse material.
本発明はこの欠点を解消するためになされたもので、筒
状篩の内側に茶葉の移動を抑制する手段を設け、茶葉に
充分な選別時間を与えることにより、粗物に細身が混入
しない完全な選別ができる機械を提供することを目的と
する。The present invention was made in order to eliminate this drawback, and by providing a means to suppress the movement of tea leaves inside the cylindrical sieve and giving sufficient time for sorting the tea leaves, it is possible to completely prevent fine particles from mixing with coarse particles. The purpose is to provide a machine that can perform accurate sorting.
次に本発明に関する機械の実施の一例を図面に基いて説
明する。Next, an example of the implementation of a machine related to the present invention will be explained based on the drawings.
図面第１図において１は機枠で、その上面に転動自在に
複数組のローラ２、２を配設し、之等ローラ２、２上に
篩枠３を支持させ、この篩枠３に対応させて前記機枠１
の端部にクランク軸４を設け、このクランク軸４の両端
には夫々滑り駒５の移動により回転半径を調整出来るク
ランク６を取付け、該クランク６のピン７と前記篩枠３
の両側に突設したピン８とをロッド９により連結して、
前記クランク軸４をモータ１０により回転させると、篩
枠３がクランク６により所定の振巾で振動される様にし
てある。１１は筒状の篩で、図面第３図に示す様な枠体
１２に金網を張って方形に形成し、その一端を前記篩枠
３の一端に支持させた軸１３に取付けたフランジ１４付
の受筒１５に嵌合し、他端を前記篩枠３の他端に定着し
た保持枠１６へ等間隔で３個又は４個取付けた溝車１７
にフランジ１８を挾持させた受筒１９に嵌合することに
より、前記軸１３とフランジ１８とで回転させることが
出来、フランジ１４、１８により篩１１へ振動が伝達さ
れる様にしてあり、この場合衝撃を生じて篩い分けの効
果と目詰り除去の効果を高めるため、筒状篩１１の両端
とフランジ１４、１８との間に適当な隙間を形成させ、
且つ、フランジ１４、１８側には衝撃を和げさせるクッ
ション材２０、２１が取付けられており、然もこの筒状
篩１１は受筒１９側には図面第４図に示す様に環状の網
端板２２を取付けて、この端板２２の孔に保持体１６へ
取付けた原料投入ホッパ２３を挿入し、受筒１４側には
荒物を排出するための無網部２４を設けてある。２５は
前記篩１１の内側に茶葉層に見合う高さで設けた堰板で
、図面第１図及び第４図に示す様に篩１１の中間と後部
に２個設け、之等堰板２５、２５の一部を図面第４図に
示す様に切欠いて茶葉を通す路にしてある。２６は前記
軸１３へ回転を伝達させる中空軸で、図面第３図に示す
様にスプライン２７により軸１３と接合すると共に一端
に歯車２８を取付け、この歯車２８にブレーキ付の減速
機モータ２９の軸に取付けた歯車３０を噛合させ、タイ
マ３１により設定した時間間隔でモータ２９を回転させ
、筒状篩１１が１／４回転すると位置検出ドッグ３２が
リミットスイッチ３３を切り、減速機モータ２９をブレ
ーキの作用で停止させ、筒状篩１１を固定するものであ
る。３４は起動スイッチで、タイマ３１と制御ボックス
３５に取付けてある。３６は筒状篩１１の下部に設けた
茶葉受で、篩１１の網張り部と無網部２４との堺部の下
側に選別された細身と粗物を隔離して両者の混り合いを
防止する仕切壁３７を設けてある。ａ、ａは茶の品質形
状等に合せて筒状篩１１を交換する場合に用いる半割り
篩で、図面第５図に示す様なコ字形か、図面第６図に示
す三角形に形成し、外側へ折り曲げた接合縁ｂ、ｂを挾
み金３８により挾持させることにより、枠体１２へ容易
に着脱できる様にしたものである。In Figure 1 of the drawings, reference numeral 1 denotes a machine frame, on the upper surface of which a plurality of sets of rollers 2, 2 are disposed in a freely rolling manner, a sieve frame 3 is supported on these rollers 2, 2, and a sieve frame 3 is supported on the sieve frame 3. Correspondingly, the machine frame 1
A crankshaft 4 is provided at the end of the crankshaft 4, and a crank 6 whose rotation radius can be adjusted by moving a sliding piece 5 is attached to each end of the crankshaft 4, and the pin 7 of the crank 6 and the sieve frame 3
The pins 8 protruding from both sides are connected by a rod 9,
When the crankshaft 4 is rotated by the motor 10, the sieve frame 3 is vibrated by the crank 6 at a predetermined amplitude. Reference numeral 11 denotes a cylindrical sieve, which is formed into a rectangular shape by covering a frame 12 with a wire mesh as shown in FIG. 3 or 4 groove wheels 17 are fitted at equal intervals to a holding frame 16 whose other end is fixed to the other end of the sieve frame 3.
The shaft 13 and the flange 18 can be rotated by fitting the receiver 19 into which the flange 18 is held, and vibrations are transmitted to the sieve 11 by the flanges 14 and 18. In order to increase the sieving effect and the clogging removal effect by generating an impact, an appropriate gap is formed between both ends of the cylindrical sieve 11 and the flanges 14 and 18,
In addition, cushioning materials 20 and 21 are attached to the flanges 14 and 18 sides to soften the impact, and the cylindrical sieve 11 has an annular mesh on the receiver 19 side as shown in FIG. 4 of the drawings. An end plate 22 is attached, and a raw material input hopper 23 attached to the holder 16 is inserted into a hole in the end plate 22, and a screenless portion 24 for discharging rough materials is provided on the receiving cylinder 14 side. Reference numeral 25 denotes a weir plate provided inside the sieve 11 at a height commensurate with the tea leaf layer, and as shown in FIGS. 1 and 4, two are provided at the middle and rear of the sieve 11, As shown in Figure 4 of the drawing, a part of 25 is cut out to provide a passage through which the tea leaves pass. Reference numeral 26 designates a hollow shaft for transmitting rotation to the shaft 13, which is connected to the shaft 13 by a spline 27 as shown in FIG. 3, and a gear 28 is attached to one end. The gear 30 attached to the shaft is engaged, and the motor 29 is rotated at the time interval set by the timer 31. When the cylindrical sieve 11 rotates 1/4, the position detection dog 32 turns off the limit switch 33, and the reducer motor 29 is turned off. The cylindrical sieve 11 is stopped by the action of a brake and fixed. 34 is a start switch, which is attached to the timer 31 and the control box 35. Reference numeral 36 denotes a tea leaf holder installed at the bottom of the cylindrical sieve 11, which separates the thin tea leaves and coarse tea leaves that have been sorted out and mixes them between the meshed part and the non-mesh part 24 of the sieve 11. A partition wall 37 is provided to prevent this. a, a are half-split sieves used when replacing the cylindrical sieve 11 according to the quality and shape of the tea, and are formed into a U-shape as shown in Figure 5 of the drawings or a triangle as shown in Figure 6 of the drawings; By holding the joint edges b, b bent outwards with a clamp 38, it can be easily attached to and detached from the frame body 12.
尚、前記実施例においては、筒状の篩１１として方形断
面のものを用いたが、断面形状は方形に限定されるもの
ではなく、多角形、円形のものを用いても同様の機能が
期待出来るものである。In the above embodiment, a cylindrical sieve 11 with a rectangular cross section was used, but the cross-sectional shape is not limited to a rectangular shape, and the same function can be expected even if a polygonal or circular sieve is used. It is possible.
前記の通り構成される荒茶選別機において筒状篩１１が
中間の堰板２６を図面第７−１図に示す様に位置させた
状態において、起動スイッチ３５によりモータ１０とタ
イマ３１を起動すると、クランク６が回転してロッド９
により篩枠３へ振動を伝え、篩枠３と共に筒状篩１１を
振動させるから、この篩１１内へ乾燥機から排出された
荒茶を投入ホッパ２３により送り込めば、荒茶は筒状篩
１１の振動によりその細身は立ち上って網目を通るのに
対し、粗物は網目を通らないため、粗物は篩１１上に残
って細身が受３６へ落ちる選別を行われつつ中間の堰板
２６へ向って進み、この堰板２６により進行を阻止され
ると、堰板２６の手前に停滞して前記の選別を行われて
いる。しかし、同じ篩面で選別を続行すると、この部分
は目詰りして選別能力が低下する。このときはタイマ３
１が設定時間の経過により作動し、減速機モータ２９を
起動させるから、モータ２９は歯車３０、２８により軸
１３を回転を伝えて筒状篩１１を矢印の方向へ９０°回
転させ、未使用の部分を下方へ移動させて使用部が更新
されると、ドッグ３２がリミットスイッチ３３を操作し
、モータ２９を停止させるから、筒状篩１１は新しい網
目により選別を行うもので、この場合も堰板２６は図面
第７−２図の状態にあって茶葉の移動を阻止しているた
め、茶葉は堰板２６の手前に停滞して選別を続行され、
篩１１は次第に目詰りして来る。するとタイマ３１が作
動し、モータ２９により筒状篩１１を９０°回転させて
篩１１の使用部を更新するが、このときもまだ堰板２６
は図面第７−３図の状態にあって茶葉の移動を抑制する
ため、茶葉は堰板２６の手前に停滞して選別を行われ、
次にタイマ３１がモータ２９を回転させて筒状篩１１を
９０°回転させて篩１１の使用部を更新するときは、堰
板２６は図面第７−４図に示す状態となって切欠を茶葉
に対応させる。従って、茶葉は切欠を通って筒状篩１１
の後部の堰板２６の位置迄進み、このとき後部の堰板２
６は図面第７−１図に示す位置付けされているため、茶
葉はこの堰板２６に止められてその手前に停滞し、選別
を行われてタイマ３１が作動する都度、９０°づつ回転
されて使用位置を更新され、之に伴い堰板２６も位置変
えされて、図面第７−２図〜第７−３図の状態において
は茶葉の移動を阻止し、図面第７−４図に示す状態とな
ったとき、切欠の部分から茶葉を排出するものであって
、茶葉は前述の堰板２６、２６による移動抑制で、荒茶
中の粗物から細身が完全に選り抜かれる時間だけ筒状篩
１１内保留されて、細身と粗物の完全な選別を連続して
自動的に行われるものである。In the rough tea sorting machine configured as described above, when the motor 10 and the timer 31 are started by the start switch 35 in a state where the cylindrical sieve 11 and the intermediate weir plate 26 are positioned as shown in Figure 7-1 of the drawing, , the crank 6 rotates and the rod 9
The vibration is transmitted to the sieve frame 3, and the cylindrical sieve 11 is vibrated together with the sieve frame 3. Therefore, if the coarse tea discharged from the dryer is fed into the sieve 11 by the input hopper 23, the coarse tea will pass through the cylindrical sieve. Due to the vibration of the sieve 11, the fine particles rise up and pass through the mesh, whereas the coarse particles do not pass through the mesh, so the coarse particles remain on the sieve 11 and the thin particles fall into the receiver 36. When they advance toward the weir plate 26 and are blocked by the weir plate 26, they stop in front of the weir plate 26 and perform the sorting described above. However, if sorting is continued using the same sieve surface, this area will become clogged and the sorting ability will decrease. At this time, timer 3
1 is activated as the set time elapses and starts the reducer motor 29, so the motor 29 transmits rotation to the shaft 13 through the gears 30 and 28, rotates the cylindrical sieve 11 by 90 degrees in the direction of the arrow, and removes the unused sieve. When the used part is updated by moving the part downward, the dog 32 operates the limit switch 33 and stops the motor 29, so the cylindrical sieve 11 performs sorting with a new mesh, and in this case as well. Since the weir plate 26 is in the state shown in Figure 7-2 of the drawing and prevents the movement of tea leaves, the tea leaves remain in front of the weir plate 26 and continue to be sorted.
The sieve 11 gradually becomes clogged. Then, the timer 31 is activated, and the motor 29 rotates the cylindrical sieve 11 by 90 degrees to update the used part of the sieve 11.
is in the state shown in Figure 7-3 of the drawing, and in order to suppress the movement of tea leaves, the tea leaves are stagnated in front of the weir plate 26 and sorted.
Next, when the timer 31 rotates the motor 29 to rotate the cylindrical sieve 11 by 90 degrees to update the used part of the sieve 11, the weir plate 26 is in the state shown in Figure 7-4 of the drawing, and the notch is removed. Make it correspond to tea leaves. Therefore, the tea leaves pass through the notch and pass through the cylindrical sieve 11.
Proceed to the position of the rear weir plate 26, and at this time the rear weir plate 2
6 is positioned as shown in Figure 7-1 of the drawing, the tea leaves are stopped by this weir plate 26 and stagnant in front of it, and are rotated by 90° each time the timer 31 is activated after sorting. The use position is updated, and the weir plate 26 is also changed accordingly, preventing the movement of tea leaves in the states shown in Figures 7-2 to 7-3, and in the state shown in Figure 7-4. When this happens, the tea leaves are discharged from the notch, and the tea leaves are kept in a cylindrical shape for a period of time during which the movement of the tea leaves is suppressed by the weir plates 26, 26 mentioned above, and the fine pieces are completely selected from the coarse ones in the coarse tea. They are retained in the sieve 11 and are automatically and continuously completely sorted into thin and coarse particles.
尚、この機械における筒状篩１１内に設ける堰板２６は
、図面第７−１〜第７−４図に開口部の先端が篩１１に
接するコ字形とすれば、図面第７−１図の状態から第７
−３図の状態迄は完全に茶葉の移動が抑制され、第７−
４図の状態のみで次への茶葉の移動が行われるが、堰板
２６を図面第８−１図〜第８−４図に示す様に開口部の
先端が篩１１から離れるコ字形とすれば、図面第８−４
図の状態において篩１１の全巾が開口されて茶葉の次へ
の移動が速かに行われるが、図面第８−１図と第８−３
図の状態において堰板２６と篩１１との間に隙間ｃが生
じ、この隙間ｃを通って一部の茶葉が次へ進むものであ
る。If the weir plate 26 provided in the cylindrical sieve 11 in this machine is U-shaped with the tip of the opening touching the sieve 11 as shown in Figures 7-1 to 7-4, then 7th from the state of
The movement of tea leaves is completely suppressed up to the state shown in Figure 7-3.
The tea leaves are moved to the next step only in the state shown in Fig. 4, but the weir plate 26 is formed into a U-shape with the tip of the opening separated from the sieve 11 as shown in Figs. 8-1 to 8-4. For example, drawing No. 8-4
In the state shown in the figure, the entire width of the sieve 11 is opened and the tea leaves are quickly moved to the next one.
In the state shown in the figure, a gap c is created between the weir plate 26 and the sieve 11, and some of the tea leaves pass through this gap c.
前述の様に本発明に関する荒茶選別機は、振動手段によ
り所定振巾で振動される篩枠に回転可能に平行篩を支持
させ、この平行篩にその目詰りに伴い使用位置を更新す
る回転手段を連係させたものであるから、平行篩の振動
により荒茶の細身と粗物とを効果的に選別しつつ、選別
に伴い篩の網目が詰って来れば、平行篩を回転させて目
詰した部分を上方へ移し、目詰りしていない部分を下方
へ移し、この部分により選別を行わせながら、目詰りし
た部分から詰った茶葉を落し、次の使用に対処する様に
して全く人手を不要としたもので、然も、この選別機は
筒状篩内に一部だけを切欠いた堰板を設け、この堰板に
より茶葉の移動を抑制して、篩内に茶葉を保留し、選別
を行わせたから、茶葉に対し必要とする選別時間を充分
に与えて粗物に細身が混入することのない高精度な荒茶
選別が可能となるから、人手のない工場でもこの機械を
設置すれば、荒茶から粗物を除いて拝見の良い細身だけ
の製品を得、製品売価を大巾に向上させ得るだけでなく
、粗物からは粉が除かれているため粉引きをされること
もないため、人件費をかけずに収益増加が計れる特有の
効果が奏されるものである。As mentioned above, the crude tea sorting machine according to the present invention has a parallel sieve rotatably supported by a sieve frame that is vibrated at a predetermined width by a vibrating means, and a rotation mechanism that updates the use position of the parallel sieve as the parallel sieve becomes clogged. Since the means are linked together, the vibration of the parallel sieve effectively separates fine and rough tea, and if the mesh of the sieve becomes clogged during sorting, the parallel sieve can be rotated to clear the mesh. The clogged area is moved upwards, the unclogged area is moved downwards, and this area is used to sort the tea leaves, while the clogged tea leaves are dropped from the clogged area and used for the next time, all without manual labor. However, this sorting machine has a weir plate with only a part cut out inside the cylindrical sieve, and this weir plate suppresses the movement of tea leaves and retains them within the sieve. By having the tea sorted, the necessary sorting time is given to the tea leaves, and it is possible to perform high-precision rough tea sorting without mixing coarse tea leaves with fine ones, so this machine can be installed even in factories without manpower. By doing so, not only can you remove the grains from the raw tea to obtain a fine-looking product and greatly improve the selling price of the product, but you can also remove the powder from the grains, so it can be milled. This has the unique effect of increasing profits without incurring labor costs.
第１図は本発明に関する荒茶選別機の一部縦断正面図。
第２図は同上の駆動部を示す平面図。
第３図は第１図のＸ−Ｘ線における断面図。第４図は筒
状篩の斜視図。第５図及び第６図は筒状篩を交換する場
合の縦断正面図。第７−１〜第７−４図は堰板の動作を
示す説明図。第８−１図〜第８−４図は他の堰板の動作
を示す説明図である。
図中１は機枠、３は篩枠、６、７は振動手段、１１は筒
状篩、２６は堰板、２９は回転手段である。FIG. 1 is a partially longitudinal front view of a rough tea sorting machine according to the present invention. FIG. 2 is a plan view showing the drive section same as above. FIG. 3 is a sectional view taken along the line X--X in FIG. 1. FIG. 4 is a perspective view of the cylindrical sieve. FIGS. 5 and 6 are longitudinal sectional front views when replacing the cylindrical sieve. 7-1 to 7-4 are explanatory diagrams showing the operation of the weir plate. FIGS. 8-1 to 8-4 are explanatory diagrams showing the operation of other weir plates. In the figure, 1 is a machine frame, 3 is a sieve frame, 6 and 7 are vibration means, 11 is a cylindrical sieve, 26 is a weir plate, and 29 is a rotation means.
Claims (1)
を支持させ、この篩枠に筒状の篩を回転可能に支持させ
て、該篩にその目詰りに伴い使用位置を更新させる回転
手段を連係させ、更に篩の内側には茶の移動を制止する
堰板を設け、この堰板の一個所に茶を通す通路を形成し
たことを特徴とする連続式の荒茶選別機。The machine frame supports a sieve frame which is vibrated with a predetermined amplitude by a vibrating means, and a cylindrical sieve is rotatably supported by the sieve frame, and the sieve is rotated to update its use position as the sieve becomes clogged. A continuous rough tea sorting machine characterized in that means are linked together, a weir plate is provided on the inside of the sieve to restrict the movement of tea, and a passage through which the tea passes is formed at one location of the weir plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21164982A JPS59102483A (en) | 1982-12-02 | 1982-12-02 | Continuous coarse tea classifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21164982A JPS59102483A (en) | 1982-12-02 | 1982-12-02 | Continuous coarse tea classifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59102483A true JPS59102483A (en) | 1984-06-13 |
| JPS6141277B2 JPS6141277B2 (en) | 1986-09-13 |
Family
ID=16609281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21164982A Granted JPS59102483A (en) | 1982-12-02 | 1982-12-02 | Continuous coarse tea classifier |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59102483A (en) |
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| CN104368519A (en) * | 2014-12-07 | 2015-02-25 | 正安县瑞缘茶业有限公司 | Tea leaf grading mechanism |
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| CN104858140A (en) * | 2015-05-19 | 2015-08-26 | 贵州苗岭雾海生态有机茶园有限公司 | Tea leaf fragrance improving equipment with screening, winnowing and color sorting functions |
| CN108014993A (en) * | 2017-11-08 | 2018-05-11 | 界首市金龙机械设备有限公司 | A kind of drum sieve vibrating screen |
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| CN111921833A (en) * | 2020-07-29 | 2020-11-13 | 安徽硕景机电设计服务有限公司 | Tea classifying and screening method |
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1982
- 1982-12-02 JP JP21164982A patent/JPS59102483A/en active Granted
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|---|---|---|---|---|
| CN104368519A (en) * | 2014-12-07 | 2015-02-25 | 正安县瑞缘茶业有限公司 | Tea leaf grading mechanism |
| CN104858141A (en) * | 2015-05-19 | 2015-08-26 | 贵州苗岭雾海生态有机茶园有限公司 | Equipment used for screening, winnowing and color sorting of tea leaves |
| CN104858140A (en) * | 2015-05-19 | 2015-08-26 | 贵州苗岭雾海生态有机茶园有限公司 | Tea leaf fragrance improving equipment with screening, winnowing and color sorting functions |
| CN108014993A (en) * | 2017-11-08 | 2018-05-11 | 界首市金龙机械设备有限公司 | A kind of drum sieve vibrating screen |
| CN108636607A (en) * | 2018-08-02 | 2018-10-12 | 安徽省新旭堂茶业有限公司 | It is a kind of can be to classification steaming apparatus that tealeaves is sieved |
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| CN109046978A (en) * | 2018-08-21 | 2018-12-21 | 陈亚勤 | A kind of tealeaves screen box of multistage screening |
| CN109046978B (en) * | 2018-08-21 | 2021-06-01 | 福建中谷茶业有限公司 | Tealeaves screening box of multistage screening |
| CN110434048A (en) * | 2019-08-14 | 2019-11-12 | 安徽信息工程学院 | Sub-sieve net cylindrical tea sorter |
| CN110586459A (en) * | 2019-09-08 | 2019-12-20 | 马文桂 | Vibrating cylinder tea grader |
| CN110586459B (en) * | 2019-09-08 | 2021-05-04 | 马文桂 | Vibrating cylinder tea grader |
| CN111921833A (en) * | 2020-07-29 | 2020-11-13 | 安徽硕景机电设计服务有限公司 | Tea classifying and screening method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6141277B2 (en) | 1986-09-13 |
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