CN202222164U - Small semi-automatic stevia rebaudiana leaf picker - Google Patents
Small semi-automatic stevia rebaudiana leaf picker Download PDFInfo
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- CN202222164U CN202222164U CN2011201977237U CN201120197723U CN202222164U CN 202222164 U CN202222164 U CN 202222164U CN 2011201977237 U CN2011201977237 U CN 2011201977237U CN 201120197723 U CN201120197723 U CN 201120197723U CN 202222164 U CN202222164 U CN 202222164U
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- priming leaf
- frame
- flexible clamping
- leaf
- stevia
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Abstract
The utility model discloses a small semi-automatic stevia rebaudiana leaf picker which relates to the field of agricultural picking mechanical engineering, and particularly relates to the leaf picking and harvest of an agricultural commercial crop, stevia rebaudiana. The leaf picker comprises a flexible clamping device, a supporting bracket, a frame, a discharging sliding plate, a leaf picking mechanism, a built-in conveying belt, a lower cutting knife, an upper cutting knife, a transmission system and a feeding platform. The tender bud of the stevia rebaudiana is clamped through a mechanical hand comprising a flexible clamping chain and the supporting bracket to move forward; leaf picking operation is rapidly performed under the effect of combing teeth at inlets of a main roller and an auxiliary roller; picked leaves are discharged out of the leaf picker through airflow and the built-in conveying belt; the tender bud is rapidly cut off when meeting the upper and lower cutting knives and automatically drops into a collecting basket; and stalk is discharged out of the leaf picker under the effect of discharging tooth at the tail ends of the main and auxiliary cylinders, so that the automatic defoliation and separation processes are accomplished. The leaf picker has a simple structure, high reliability and higher automation level, and is convenient to maintain.
Description
Technical field
The utility model belongs to the agricultural engineering field, is specifically related to the agricultural economy crop---the automatic priming leaf operation of stevia.
Background technology
Stevia is China's late nineteen seventies successful introduction in last century, and the plantation in year is historical surplus in the of existing 30 so far.Stevia is a kind of quite promising economic crops, has become the third natural sugar source after sucrose, beet sugar.Surplus at present the cultivated area of China's stevia reaches 40 ten thousand mu; Account for 2/3rds of world's cultivated area, become planting base the biggest in the world, its particularity is arranged during the stevia results; The stevia blade of taking from cane must be intact, otherwise price will be had a greatly reduced quality.So the harvest process of stevia is at present: the hand harvest (1.5 mu/people. day)---bundling---and the artificial priming leaf in threshing ground (1 mu/people. four days)---artificial airing---packing---is sold.The stevia results are undertaken by craft at present entirely, and labour intensity is big, efficient is low, cost of labor is high.Lack efficient, safe and reliable mechanization priming leaf instrument, thereby restricted the large-scale production of stevia.
Find that from literature search a kind of stevia processing machine (patent No. ZL 200820188220.1) is arranged, a rotating shaft and motor are housed on frame; Be connected with transmission device between rotating shaft and the motor; Cylinder and cutting knife are housed in the rotating shaft, and cutting knife is positioned at the outside of cylinder, and two groups of above threshing teeth are arranged on the cylinder; There is discharge groove the below that is positioned at cylinder and cutting knife on the frame, and the bottom surface of discharge groove and horizontal plane tilt.That low, the tender tip of this structure efficiency cuts off is unreliable, inconvenient operation, automaticity are low, and the broken leaf of the stevia of taking off is more, and rotary part is completely exposed during work, often causes that accident such as industrial injury takes place, poor stability, and production efficiency is low, and it is big to promote difficulty.
Summary of the invention
For low, the tender tip of the efficient that overcomes prior art cuts off unreliable, inconvenient operation, low, the poor stability of automaticity; The problem that production efficiency is low; The utility model has designed small-sized semi-automatic stevia priming leaf machine, and it is made up of critical pieces such as conveyer belt, electromotor, transmission system, feed table in frame, master rotor, auxiliary cylinder, flexible clamping chain, Support bracket, upper cutter, lower cutter, the machine.It is characterized in that frame is the crocodile formula; Have on the frame two parallel with feed direction, and highly differ the priming leaf cylinder of 25 ~ 60mm; Flexible clamping chain is positioned at crocodile on the frame, and Support bracket is positioned at the frame lower jaw, and Support bracket is under the effect of spring; Link the clamping manipulator that touches the tender tip when constituting disleave with flexible clamping; The tender tip is cut off during through upper and lower cutting knife automatically, falls into the collection frame, and the blade of taking off is along with conveyer belt in air-flow and the machine is discharged outside the machine automatically; And cane falls from frame discharging slide plate under the discharge tooth effect of major and minor cylinder end, thereby accomplishes the leaves fallen automatically mask work of stevia.
Small-sized semi-automatic priming leaf machine operation principle: artificial with the tender tip of stevia towards flexible clamping chain direction; The tender tip of 75 ~ 80mm is fed between the manipulator of flexible clamping chain and Support bracket formation; The cane part is under the comb commutating tooth effect of major and minor cylinder feeding end; Get into cylinder rapidly and implement the priming leaf operation by cutter tooth on the cylinder, the blade of taking is along with outside the conveyer belt discharge machine in air-flow and the machine; The tender tip of stevia and cane are continued to send to forward by flexible clamping chain; Running into upper and lower cutting knife is cut off rapidly; Automatically fall into the collection frame, and cane under the terminal discharge tooth effect of major and minor cylinder outside discharging slide plate discharge machine, thereby leaf and cane are separated automatically.---priming leaf---cuts off---cauline leaf separation circuit automatically automatically automatically so just to accomplish the feeding of stevia.The utility model has adopted twin-roll priming leaf mode, is adapted to the needs of differing heights crop, and operating efficiency is high, and the tender tip cuts off automatically, and cane separates with the blade of taking off automatically, and safe and reliable, power consumption is little, installation and easy to maintenance.
The technical scheme of the utility model is that frame is the crocodile formula, constitutes charging and tapping channel; Two parallel placements with feed direction of priming leaf cylinder are arranged on the frame, highly differ 25 ~ 60mm, be distributed with 4-6 root comb commutating tooth, 10-20 root cutter tooth, 4-6 root discharge tooth on it respectively; Flexible clamping chain is positioned at crocodile on the frame; Support bracket is positioned at the frame lower jaw, constitutes the clamping manipulator of disleave process, and the tender tip that is held runs into upper and lower cutting knife to be cut off automatically; Automatically fall into the collection frame; The blade of taking off falls to being discharged outside the machine automatically by conveyer belt in the machine, and cane is discharged from frame discharging slide plate under the discharge tooth effect of major and minor cylinder end, accomplishes stevia leaves fallen automatically and cane mask work.
The crocodile open frame adopts angle steel to be welded, and frame inner wall has 1 millimeter steel plate as liner plate; Priming leaf adopts the closed-type double action crank press roller frame, master rotor and the parallel placement of auxiliary cylinder with feed direction, and highly differ 25~60mm, the cutter tooth height has 30-50% to be overlapping when making cylinder work in the horizontal direction; Cylinder circle and auxiliary cylinder circle are from the beginning of feeding end, and arrival end is along circumferentially being distributed with 4~6 comb commutating tooths, and the priming leaf section has 10-20 root cutter tooth, outlet to have 4~6 to discharge tooth.Major and minor diameter of cylinder, rotating speed, turn to identical; Electromotor places the bottom of frame, and is positioned at the front slide below, and power is transferred to jackshaft through the V-type band; Jackshaft divides the two-way transmission, and one the tunnel imports master rotor into, and the master rotor other end passes to conveyer belt in auxiliary cylinder and the machine through chain; Gearbox is given with transmission of power in another road, and latter two axle head that rotates in opposite directions of process gearbox switching-over is used to install, lower cutter, the position of blade cutting edge and frame inner wall conllinear; Blade be disc type from the sharpening cutting knife, gearbox has a cantilever, gives the 3rd output shaft through interior chain with transmission of power; The 3rd output axle head links through the sprocket wheel of key and flexible clamping chain, thereby drives flexible clamping chain work.Flexible clamping chain is positioned at the maxilla position of crocodile open frame, and Support bracket is positioned at the lower jaw position of crocodile open frame, and flexible clamping chain and Support bracket constitute the clamping manipulator in the stevia priming leaf process.Feed table is located at the front end of flexible clamping device; Said upper cutter and lower cutter are positioned at the frame discharging opening one side maxilla outside.Below cylinder, be provided with organic in conveyer belt, be connected with front slide; The right side outlet of frame is provided with the discharging slide plate, and is as shown in Figure 3.Feed table is as the annex random arrangement.
It is low that the utility model patent solves in the stevia results process artificial priming leaf efficient effectively, the problem that labour intensity is big, thus improved production efficiency, reduced the results cost, improved economic benefit.
Description of drawings
Below in conjunction with accompanying drawing and example the utility model is further specified.
Fig. 1 is that the master of small-sized semi-automatic stevia priming leaf machine looks sketch map.
Fig. 2 is that the B of small-sized semi-automatic stevia priming leaf machine is to view.
Fig. 3 is that the A of small-sized semi-automatic stevia priming leaf machine is to sketch map.
Fig. 4 is the transmission system sketch map of small-sized semi-automatic stevia priming leaf machine.
Fig. 5 is a master rotor cylinder circle expanded view.
Fig. 6 is an auxiliary cylinder cylinder circle expanded view.
Fig. 7 is the positive odontoid sketch map of comb.
Fig. 8 is the cutting tool shape sketch map.
Fig. 9 discharges the odontoid sketch map.
Figure 10 is a crocodile open frame sketch map.
Among the figure: 1. flexible clamping device, 2. Support bracket, 3. frame, 4. discharging slide plate, 5. strainer; 6. auxiliary cylinder, 7. master rotor, 8. conveyer belt, 9. front slide, 10. electromotor in the machine; 11. lower cutter, 12. upper cutters, 13. gearboxes, 14. transmission systems, 15. jackshafts; 16. flexible clamping chain driving wheel, 17. comb commutating tooths, 18. cutters tooth, 19. discharge tooth, 20. feed tables.
Embodiment
Small-sized semi-automatic priming leaf machine, frame 3 is the crocodile formula, constitutes charging and tapping channel; Two parallel placements with feed direction of priming leaf cylinder are arranged on the frame 3, highly differ 25 ~ 60mm, be distributed with 4-6 root comb commutating tooth 17,10-20 root cutter tooth 18,4-6 root discharge tooth 19 on it respectively; Flexible clamping chain 1 is positioned at crocodile on the frame 3; Support bracket 2 is positioned at frame 3 lower jaw; Constitute the clamping manipulator of disleave process, the tender tip that is held runs into upper and lower cutting knife to be cut off automatically, falls into the collection frame automatically; The blade pass of taking off is crossed outside air-flow and the interior conveyer belt 8 automatic discharge machines of machine, and cane falls from discharging slide plate 4 under major and minor cylinder 6 terminal discharge teeth 19 act on.Thereby---priming leaf---cuts off---cauline leaf separation circuit automatically automatically automatically to accomplish the feeding of stevia.The utility model patent has adopted twin-roll priming leaf mode, and operating efficiency is high, and the tender tip cuts off automatically, and cane separates with the blade of taking off automatically, and safe and reliable, power consumption is little, installation and easy to maintenance.
It is that 1.5 millimeters steel plates roll and form that master rotor 7 adopts thickness, and there are roller end cover and wheel hub in two ends, and wheel hub links to each other with drum shaft through key; The drum shaft two ends are installed on the frame 3, and cylinder circle surface is followed successively by comb commutating tooth 17, cutter tooth 18, discharges tooth 19 from the beginning of feeding end; They all adopt screw fixation method; Be installed on the cylinder circle, comb commutating tooth 17 with discharge tooth 19 and the cylinder axis angle that tilts, as shown in Figure 5.Master rotor 7 differs 25-60mm with auxiliary cylinder 6 setting height(from bottom)s, shown in accompanying drawing 2, auxiliary cylinder 6 structures and master rotor 7 structural similarities, but cutter tooth 18 be arranged in axial location phase difference of half tooth pitch, as shown in Figure 6, turn to identical during work.Master rotor 7 is 300 ~ 450mm with the diameter of auxiliary cylinder 6, and rotating speed 400 ~ 550r/min turns to identical.
Gearbox 13 has three outputs, and wherein two outputs that rotate in opposite directions are that cutter 12 provides power with bottom knife 11, and another output is that flexible clamping chain 1 provides power.
Comb commutating tooth 17 mainly can be sent cane into cylinder rapidly and get into the priming leaf state when feeding, cutter tooth 18 is mainly used in priming leaf, and discharge tooth 19 is mainly used in discharges the cane of having plucked leaf outside the machine rapidly.Consider the requirement of the wear-resisting and intensity in the course of work, comb commutating tooth 17 employing diameters are that 6 millimeters 65Mn steel wire is processed, and concrete shape is seen Fig. 7 a, and Fig. 5 is seen in the installation site, with drum shaft thread 60 ~ 80 degree angles, heat treatment hardness HRC48 ~ 52; Cutter tooth 18 employing diameters are that 45 steel of 10-12mm are processed, and concrete shape is seen Fig. 7 b, and install by correct position shown in Figure 5 heat treatment hardness HRC43 ~ 48; Discharging tooth 19, still to adopt diameter be that 6 millimeters 65Mn steel is processed, and concrete shape is seen Fig. 7 c, and the installation site sees that Fig. 5 and drum shaft thread 60 ~ 80 spend angles, heat treatment hardness HRC48 ~ 52.
Complete machine transmission system 14 is as shown in Figure 4, and electromotor 10 power import jackshaft 15 into, and one the tunnel gets into main priming leaf cylinder, and the main priming leaf cylinder other end passes to conveyer belt 8 in auxiliary cylinder 6 and the machine through chain; Another road gets into gearbox, after gearbox 13 switching-overs, reaches required working speed.Gearbox 13 has three delivery outlets, and wherein two outputs that rotate in opposite directions are used for fit on cutting knife and lower cutter for the automatic cutting off table device provides power; Another output links through the sprocket wheel of key and flexible clamping chain 1, thereby drives flexible clamping chain 1 work.
Claims (8)
1. small-sized semi-automatic stevia priming leaf machine; It is characterized in that, comprise conveyer belt (8), lower cutter (11), upper cutter (12), transmission system (14), feed table (20) in flexible clamping device (1), Support bracket (2), frame (3), discharging slide plate (4), priming leaf mechanism, the machine; Said priming leaf mechanism is arranged at frame (3) inside; Said priming leaf mechanism has adopted twin-roll; Comprise master rotor (7) and auxiliary cylinder (6); Said master rotor (7) and the parallel placement of auxiliary cylinder (6) with feed direction, said master rotor (7) highly differs the 25-60mm ladder with auxiliary cylinder (6) and arranges, and said master rotor (7) and auxiliary cylinder (6) horizontal direction distance are that priming leaf cylinder cutter tooth (18) length on two cylinders has 30-50% to be overlapping; Said discharging slide plate (4) is arranged at the end of master rotor (7) and auxiliary cylinder (6); The flexible clamping chain of said flexible clamping device (1) is positioned at frame (3) maxilla; Support bracket (2) is positioned at frame (3) lower jaw, and flexible clamping device (1) constitutes the clamping manipulator in the stevia priming leaf process with Support bracket (2); Said feed table (20) is located at the front end of flexible clamping device (1); Said upper cutter (12) and lower cutter (11) are positioned at the frame discharging opening one side maxilla outside, cutter blades be the tooth-like rotation in opposite directions of disk from sharpening to cutting knife, cut off cutting edge and frame (3) inwall conllinear; Frame (3) set inside conveyer belt (8) in the machine, said conveyer belt (8) joins with front slide (9), is positioned at priming leaf mechanism below; Said transmission system (14) comprises electromotor (10), jackshaft (15), gearbox (13); Electromotor (10) is arranged at the bottom of frame (3); Power imports jackshaft (15) into; A road of said jackshaft (15) gets into main priming leaf cylinder, and the main priming leaf cylinder other end passes to conveyer belt (8) in auxiliary cylinder (6) and the machine through chain, and another road of said jackshaft (15) gets into gearbox.
2. a kind of small-sized semi-automatic stevia priming leaf machine according to claim 1 is characterized in that, said master rotor (7) is 300 ~ 450mm with the diameter of auxiliary cylinder (6), and rotating speed 400 ~ 550r/min turns to identical.
3. according to claims 1 or 2 described a kind of small-sized semi-automatic stevia priming leaf machines; It is characterized in that said master rotor (7) and auxiliary cylinder (6) all are distributed with 4-6 root comb commutating tooth (17), 10-20 root cutter tooth (18), 4-6 root discharge tooth (19) successively from the beginning of feeding end.
4. a kind of small-sized semi-automatic stevia priming leaf machine according to claim 1 and 2; It is characterized in that; Said gearbox (13) has three outputs; Wherein two outputs rotate in opposite directions, are respectively cutter and bottom knife provides power, and another output is that flexible clamping chain (1) provides power.
5. a kind of small-sized semi-automatic stevia priming leaf machine according to claim 1 and 2; It is characterized in that; Said flexible clamping chain (1) adopts the rubber curtain strap to process, and is tensioned on flexible clamping chain driving wheel (16) and the flexible clamping chain follower, and follower one end has strainer (5).
6. a kind of small-sized semi-automatic stevia priming leaf machine according to claim 3 is characterized in that, said comb commutating tooth (17) employing diameter is that 6 millimeters 65Mn steel wire is processed, and install with drum shaft thread 60 ~ 80 degree angles heat treatment hardness HRC48 ~ 52.
7. a kind of small-sized semi-automatic stevia priming leaf machine according to claim 3 is characterized in that, said cutter tooth (18) employing diameter is that 45 steel of 10-12mm are processed heat treatment hardness HRC43 ~ 48.
8. a kind of small-sized semi-automatic stevia priming leaf machine according to claim 3 is characterized in that, said discharge tooth (19) employing diameter is that 6 millimeters 65Mn steel is processed, and install with drum shaft thread 60 ~ 80 degree angles heat treatment hardness HRC48 ~ 52.
Priority Applications (1)
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CN2011201977237U CN202222164U (en) | 2011-06-14 | 2011-06-14 | Small semi-automatic stevia rebaudiana leaf picker |
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CN2011201977237U CN202222164U (en) | 2011-06-14 | 2011-06-14 | Small semi-automatic stevia rebaudiana leaf picker |
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CN2011201977237U Expired - Lifetime CN202222164U (en) | 2011-06-14 | 2011-06-14 | Small semi-automatic stevia rebaudiana leaf picker |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102273364A (en) * | 2011-06-14 | 2011-12-14 | 江苏大学 | Small semi-automatic stevia rebaudiana leaf picking machine |
CN105144983A (en) * | 2015-07-09 | 2015-12-16 | 山东省农业科学院玉米研究所 | Leaf picking machine for corn plants |
CN107455075A (en) * | 2016-12-07 | 2017-12-12 | 浙江理工大学 | Portable Automatic seedpod of the lotus recovering device |
-
2011
- 2011-06-14 CN CN2011201977237U patent/CN202222164U/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102273364A (en) * | 2011-06-14 | 2011-12-14 | 江苏大学 | Small semi-automatic stevia rebaudiana leaf picking machine |
CN105144983A (en) * | 2015-07-09 | 2015-12-16 | 山东省农业科学院玉米研究所 | Leaf picking machine for corn plants |
CN107455075A (en) * | 2016-12-07 | 2017-12-12 | 浙江理工大学 | Portable Automatic seedpod of the lotus recovering device |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20120523 Effective date of abandoning: 20131023 |
|
RGAV | Abandon patent right to avoid regrant |