CN201142836Y

CN201142836Y - Finger-clipping type seed metering device

Info

Publication number: CN201142836Y
Application number: CNU2007200946076U
Authority: CN
Inventors: 李洪刚; 韩国靖; 范旭辉; 杨海天; 赵新天; 刘文亮; 于洪斌; 顾耀权; 王莹; 刘春喜; 吴尚华
Original assignee: Jilin Academy of Agricultural Machinery
Current assignee: Jilin Academy of Agricultural Machinery
Priority date: 2007-11-15
Filing date: 2007-11-15
Publication date: 2008-11-05
Anticipated expiration: 2017-11-15

Abstract

The utility model relates to a seeding device, in particular to a finger grip seeding device, which pertains to agricultural machinery and comprises a seed tray, a seed spout impeller, a seed spout shroud, a seed slipping tube and a seed box. The seed spout impeller and the seed tray are arranged at a transmission shaft in sequence and one side of the seed tray is also provided with a finger grip fixing cover; the seed spout impeller and the finger grip fixing cover are fixed with the transmission shaft by spring cylindrical pins respectively; the seed tray is fixed at the corresponding position of a bearing pedestal and is arranged at the transmission shaft by the bearing pedestal; the finger grip fixing cover is evenly distributed with a plurality of finger grip welding rods and welding polished rods; a cam is arranged at the inner side of the finger grip fixing cover and a stopping key platform on the cam is inlaid in a key groove of the bearing pedestal; the seed spout shroud is arranged at the outer edges of the seed spout impeller and the seed tray. The seeding device has the advantages of high seeding accuracy, no parts that are easy to damage, little force for seeds and no crushing during the whole operation process, 4 to 8 km/h of operation speed, stable operating performance and reliability, etc.

Description

A kind of finger-clipped seeding unit

Technical field

The utility model belongs to agricultural machinery

Background technology

Traditional seeding unit mainly contains seeding units such as outer groove wheel, spoon formula, indent type at present, along with development of science and technology, the corn variety of various high-qualitys, high yield emerges in an endless stream, and also more and more higher to the performance and the requirement of quality of sowing, the existing product of China is difficult to satisfy actual requirement.

Summary of the invention

Shortcoming and defect such as fragmentation when the purpose of this utility model is to eliminate present domestic seeder sowing to improve sowing efficient and reliability, enlarges the scope of application and a kind of finger-clipped seeding unit is provided.

Above-mentioned purpose of the present utility model is achieved in that accompanying drawings is as follows:

A kind of finger-clipped seeding unit is by seed tray 1, lead kind of impeller 5, lead kind of guard shield 6, kind of the pipe 7 that slips is formed with kind box 3, said kind of the impeller 5 of leading, seed tray 1 is contained on the power transmission shaft 20 successively, side at seed tray 1 also is equipped with finger folder fixed cap 12, lead kind of impeller 5 and refer to that folder fixed cap 12 is fixing with power transmission shaft 20 by spring straight pin 4 respectively, seed tray 1 is fixed with the relative position of bearing block 19, and be contained on the power transmission shaft 20 by bearing block 19, refer to be evenly equipped with a plurality of finger clamping bar seam 8 and polished rod seam 11 on the folder fixed cap 12, cam 10 is contained in the inboard that refers to folder fixed cap 12, stop keypad on it is embedded in the keyway of bearing block 19, leads kind of guard shield 6 and is contained on the outer rim of leading kind of the impeller 5 and seed tray 1 back side.

Uniform several type holes on the said finger folder fixed cap 12, said finger clamping bar seam 8 and polished rod seam 11 are installed in the type hole that refers to folder fixed cap 12, and can in the type hole, freely rotate, refer to that clamping bar seam 8 comprises finger folder stock 27, refer to that folder stock 27 tops are welded with finger intermediate plate 26, the inner is equipped with and is referred to chuck 29, polished rod seam 11 comprises finger folder quarter butt 30, refer to press from both sides quarter butt 30 the inners finger chuck 29 is housed, refer to folder stock 27 and refer to respectively be equipped with on a spring hangers 28, the two spring hangers on the folder quarter butt 30 articulate a little spring 9.

Be provided with closed inclined-plane on the working face of said cam 10 successively, refer to press from both sides between opening zone, gradually open the inclined-plane, refer to press from both sides between closed area, the working face of cam 10 contacts with referring to chuck 29, refers to press from both sides stock 27 and rotates along with the fluctuating of cam working face.

Said seed tray 1 is provided with sowing port 15 vibration concave surface 13 and hairbrush 14, and vibration concave surface 13 and hairbrush 14 are located at the front end of sowing port 15.

Said slide kind pipe 7 is fixed on the lower edge of leading kind of guard shield 6, and its opening communicates with leading kind of impeller 5, the seed tray back side and lead the confined space that kind of guard shield 6 forms, and seed adopts parabola shaped at the glide slope that slips in the longitudinal tubule (L tubule).

Refer to that clamping bar seam 8 and polished rod seam 11 (consulting accompanying drawing 4 (a.b.c.d)) are installed in the type hole that refers to folder fixed cap 12 (consulting Fig. 5 (a.b.c)), can freely rotate in the type hole.Little spring 9 is articulated in the aperture of V-type spring hangers 28, makes to refer to that clamping bar seam 8 and polished rod seam 11 connect into a whole mutual restriction and rotate (consulting Fig. 2 (a.b)); Refer to that intermediate plate 26 has the trend (consulting Fig. 1 (a.b.c), 3 (a.b)) of inside rotation under little spring 9 tension.Cam 10 is contained in the inboard that refers to folder fixed cap 12, and its working face and refer to that chuck 29 contacts (consulting Fig. 2 (a.b)) refers to that clamping bar rotates along with the fluctuating of cam working face, thereby realizes referring to that intermediate plate fills kind, the action of folder kind.Seed is clipped in the concave surface that refers to intermediate plate, and general 1～2 seed of clamping successively through " jolting " and the scratching of hairbrush of vibration concave surface, makes come out by " cleaning " by the less seed of chucking power during rotation; Remaining seed is clamped to sowing port always, is referred to that intermediate plate shifts onto on the blade of leading kind of impeller.Lead kind of impeller and refer to that clamping bar works in coordination, rotates synchronously (consulting the back view of Fig. 1 (c)), when rotating to when slipping kind of tube opening, seed under the effect of gravity, slip into slip kind of a pipe, from pipe, slip out.

(3) beneficial effect

The finger folder that folder is planted in filling kind of district is dehisced bigger, is different from seeding units such as domestic existing nest eye, spoon formula, and different shape, large and small seed can be referred to gripping under the effect of spring force; The clear kind of vibration concave surface and hairbrush associating solved the inevitable seed fragmentation when scraping kind of other seeding unit; New-type finger folder seeding unit technical pattern advanced person sustainablely stably runs up the operating speed when improving sowing greatly.This seeding unit can be realized the new-type finger folder seeding unit of high-quality precise sowing, have simple grain rate height, seeding down evenly, at a high speed, advantage such as low fragmentation.Simultaneously, also have manufacturing process difficulty and manufacturing cost and reduce greatly, service behaviour height (disconnected cave rate reduces).This seeding unit can adapt to China now and even the core objective of the mode of agricultural production in the future.

Description of drawings

Fig. 1 (a) is meant folder seeding unit front view;

Fig. 1 (b) is the side sectional view of Fig. 1 (a);

Fig. 1 (c) is the rearview of Fig. 1 (a).

Fig. 2 (a) is meant folder fixed cap front view;

Fig. 2 (b) is the side sectional view of Fig. 2 (a).

Fig. 3 (a) is the seed tray front view;

Fig. 3 (b) is the cross sectional plan view of Fig. 1.

Fig. 4 (a) is meant clamping bar seam front view;

Fig. 4 (b) is the vertical view of Fig. 4 (a);

Fig. 4 (c) is a polished rod seam front view;

Fig. 4 (d) is Fig. 4 (c) vertical view.

Fig. 5 (a) is meant folder fixed cap structural front view;

Fig. 5 (b) is the side cutaway view of Fig. 5 (a);

Fig. 5 (c) is the vertical view of Fig. 5 (a).

1. seed trays 2. refer to that 3. kinds of box 4. spring straight pins 5. of folder fixed caps assembling lead kind of impeller 6. and lead kind of guard shield 7. and slip kind of pipe 8. and refer to that the 11. polished rod seam 12. of clamping bar seam 9. little springs 10. cams refer to that folder fixed caps 13. vibrations concave surfaces 14. hairbrush 15. sowing ports 16. working faces 17. keyways 18. bearings 19. bearing blocks 20. power transmission shafts 26. refer to that intermediate plates 27. refer to that folder stock 28.V shape spring hangers 29. refer to that chucks 30. refer to the folder quarter butts among the figure

Embodiment

New-type finger folder seeding unit mainly assembles (consulting Fig. 1 (a.b)) by six critical pieces.Power transmission shaft 20 refers to press from both sides fixed cap 12 and leads the synchronous rotation of kind of impeller 5 by 4 drives of spring straight pin by clockwise rotating, and can realize seeding and lead carrying out synchronously of planting; Three holes on bearing block 19 and the seed tray 1 are non-uniform Distribution, bearing block 19 must be accordingly with three holes by being bolted on the seed tray 1, guarantee that the keyway 17 of bearing block 19 and the relative position of seed tray 1 fix (consulting Fig. 3 (a.b)); The stop keypad of cam 10 is embedded in the keyway 17 of bearing block 19, has both prevented that cam 10 from rotating, but the relative position of fixing lug boss working face and seed tray 1 again; The opening that refers to folder fixed cap 12 type holes is a shrunk type, need firmly push during installation and the finger clamping bar could be packed into, refers in the time of can preventing to assemble like this that clamping bar comes off from the type hole, and refer to that clamping bar can freely rotate in the type hole; Refer to the relative seam angle between intermediate plate 26 and the V-type spring hangers 28, should make to refer to that intermediate plate 26 produces thrust at sowing port to seed; Refer to intermediate plate 26 and refer to relative seam angle between the chuck 29, should make to refer to that intermediate plate 26 opens a suitable angle, be convenient to fill kind.

When referring to that clamping bar along with referring to that folder fixed cap 12 rotates to cam 10 when gradually opening the inclined-plane, refers to the inclined-plane extruding that chuck 29 is raise gradually, make to refer to that clamping bar rotates, refer to that intermediate plate 26 opens gradually; Refer to that chuck 29 rotates between opening zone, refer to intermediate plate subtended angle maximum, this moment is for filling kind of an interval.When referring to that clamping bar rotates to long closed inclined-plane, under the tension of little spring 9, refer to that intermediate plate 26 beginnings are slowly closed, 1～2 seed is clipped in the concave surface that refers to intermediate plate 26.Refer to that intermediate plate 26 shapes (width, length and concave surface size, shape etc.) are to obtain by up to a hundred times experiment.Seed is pushed into by leading kind of impeller 5, seed tray 1 back side and leading in the confined space that kind of guard shield forms (consulting the back view of Fig. 1 (a.b)) at sowing port 15, is rotated further with leading kind of impeller 5; Forward to and slip when planting tube opening, seed slips into slide kind of pipe 7, slips out from pipe under the effect of gravity.When referring to that intermediate plate 26 forwards in the middle of the sowing port, refer to that chuck 29 forwards the short inclined-plane of gradually opening just to, refer to that intermediate plate 26 opens rapidly, avoid and sowing port 15 other end scratchings, thereby finish whole actions of one-period, enter the next work period then.

New-type finger folder seeding unit is chosen quality material on request, finishes the processing that refers to folder, cam 10, seed tray 1, power transmission shaft 20 with the manufacturer's standard and the examination criteria of strictness; Finish the processing of kind of box 3, slide kind of solder joint member by the common process standard; Finish finger folder fixed cap 12, lead the processing of kind of impeller 5 with the standard of high accuracy injection moulding, select bearing and other standard component to fit together the enforcement of promptly finishing this patent by design standard above-mentioned parts.

Claims

1, a kind of finger-clipped seeding unit is by seed tray (1), lead kind of an impeller (5), lead kind of a guard shield (6), slip and plant pipe (7) and plant box (3) composition, it is characterized in that said kind of the impeller (5) of leading, seed tray (1) is contained on the power transmission shaft (20) successively, side at seed tray (1) also is equipped with finger folder fixed cap (12), lead kind of an impeller (5) and refer to that folder fixed cap (12) is fixing by spring straight pin (4) and power transmission shaft (20) respectively, seed tray (1) is fixed with the relative position of bearing block (19), and be contained on the power transmission shaft (20) by bearing block (19), refer to be evenly equipped with a plurality of finger clamping bar seam (8) and polished rod seam (11) on the folder fixed cap (12), cam (10) is contained in the inboard that refers to folder fixed cap (12), stop keypad on it is embedded in the keyway of bearing block (19), leads kind of a guard shield (6) and is contained on the outer rim of leading kind of an impeller (5) and seed tray (1) back side.

2, a kind of finger-clipped seeding unit according to claim 1, it is characterized in that upward uniform several type holes of said finger folder fixed cap (12), said finger clamping bar seam (8) and polished rod seam (11) are installed in the type hole that refers to folder fixed cap (12), and can in the type hole, freely rotate, refer to that clamping bar seam (8) comprises finger folder stock (27), refer to that folder stock (27) top is welded with finger intermediate plate (26), the inner is equipped with and is referred to chuck (29), polished rod seam (11) comprises finger folder quarter butt (30), refer to press from both sides quarter butt (30) the inner finger chuck (29) is housed, refer to folder stock (27) and refer on the folder quarter butt (30) a spring hangers (28) is housed respectively, articulate a little spring (9) on the two spring hangers.

3, a kind of finger-clipped seeding unit according to claim 1, it is characterized in that being provided with closed inclined-plane successively on the working face of said cam (10), refer to press from both sides between opening zone, gradually open the inclined-plane, refer to press from both sides between closed area, the working face of cam (10) contacts with referring to chuck (29), refers to press from both sides stock (27) and rotates along with the fluctuating of cam working face.

4, a kind of finger-clipped seeding unit according to claim 1 is characterized in that said seed tray (1) is provided with sowing port (15) vibration concave surface (13) and hairbrush (14), and vibration concave surface (13) and hairbrush (14) are located at the front end of sowing port (15).

5, a kind of finger-clipped seeding unit according to claim 1, it is characterized in that said slide kind pipe (7) is fixed on the lower edge of leading kind of a guard shield (6), its opening communicates with leading kind of an impeller (5), the seed tray back side and lead the confined space that kind of a guard shield (6) forms, and seed adopts parabola shaped at the glide slope that slips in the longitudinal tubule (L tubule).