CN209643331U - A kind of cam follower formula precise seeder - Google Patents
A kind of cam follower formula precise seeder Download PDFInfo
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- CN209643331U CN209643331U CN201920238447.0U CN201920238447U CN209643331U CN 209643331 U CN209643331 U CN 209643331U CN 201920238447 U CN201920238447 U CN 201920238447U CN 209643331 U CN209643331 U CN 209643331U
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- seed
- push rod
- taking device
- cam
- rod assembly
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Abstract
The utility model discloses a kind of cam follower formula precise seeders, it is characterised in that: including entering kind of a pipe, being fixedly mounted with bottom case, cam disc, push rod assembly, seed-taking device, seed wheel, sowing port and feed shaft.Wherein, enter kind of pipe to be arranged on being fixedly mounted with bottom case and penetrate through therewith, bottom case is fixedly mounted with equipped with sowing port, cam disc is fixed by being fixedly mounted with the bolt at bottom case center and position is equipped with and determines cam path and carry out limit guiding to push rod assembly in its center, seed-taking device is circumferentially fixed in being designed as the inclined plate with certain inclination angle in the inner wall surface of seed wheel and by kind of plate is led, to change interseminal contacting points position, in order to clear kind, limit hole on seed-taking device limits push rod assembly, and push rod assembly is made to do radial expansion movement relative to seed-taking device.By the mutual cooperation of push rod assembly and cam structure, make feed mechanism for seed realize actively fill kind, quantitatively migrate clear kind, steady shield kind and four concatenated courses of work of precisely charging seed, realize the amount seeding of simple grain essence, improve seeding precision.
Description
Technical field
The utility model relates to a kind of feed mechanism for seed of seeder more particularly to a kind of cam follower formula precise seeders, belong to
In agricultural mechanical field.
Background technique
Feed mechanism for seed is the core work component for realizing precise sowing technology, and the performance of feed mechanism for seed directly affects seeding machinery matter
Amount, crop yield and peasant's labour cost are the emphasis and hot spot of domestic and foreign scholars' research.Mechanical precision seeding apparatus is due to knot
Structure is simple, cheap, easy to maintenance and is widely used in agricultural production.But existing research focuses primarily upon feed mechanism for seed
Structure optimization and improvement, to filling kind of unreliability caused by seed arch camber and seeds self gravity and centrifugal force utilized to carry out
Clear kind of unreliability is also rarely reported caused by clear kind of passive type.The utility model is using for reference existing mechanical precision seeding apparatus
On the basis of, a kind of seed-taking device that can actively destroy arching phenomenon is designed, using push rod and cam engagement push rod edge is taken
Kind device does radial expansion movement and carries out actively clear kind, so that raising is filled, clear kind of reliability, realizes that the simple grain essence amount of feed mechanism for seed is broadcast
Kind, reference frame is provided for the theoretical research of mechanical precision seeding apparatus and structure design.
Utility model content
A kind of in order to achieve the above object, the utility model provides cam follower formula precise seeder.
The utility model provides the following technical solutions: a kind of cam follower formula precise seeder, it is characterised in that: including entering
Kind pipe is fixedly mounted with bottom case, cam disc, push rod assembly, seed-taking device, seed wheel, sowing port and feed shaft.Wherein, it is described enter kind of a pipe set
It sets on being fixedly mounted with bottom case and penetrates through therewith, be fixedly mounted with bottom case equipped with sowing port, the cam disc, which is equipped with, determines cam path and push rod
Idler wheel on assembly is threadedly secured to merging to be fixedly mounted on bottom case.
It is described be fixedly mounted with bottom case mainly by enter kind pipe, be fixedly mounted with bottom shell seat, fixed frame and fixed frame upper screwed hole, fixing bolt,
It is fixedly mounted with bottom case lid composition, wherein being fixedly mounted with bottom shell seat equipped with sowing port, the cam disc is fixed on by fixing bolt is fixedly mounted with bottom
On shell block.
The push rod assembly mainly includes idler wheel, push rod fixed frame, mounting pin and push rod, and the idler wheel is by the cam path
It is limited, the push rod is fixed on push rod fixed frame by mounting pin and is limited by the limit hole on seed-taking device, In
Under the drive of feed shaft, the push rod assembly moves in a circle along cam contour and does radial expansion relative to seed-taking device and moves.
The seed-taking device mainly by fixed plate, installation threaded hole, limit hole and is led kind of a plate and is constituted, and the fixed plate passes through spiral shell
Bolt is fixed on the inside circumference surface of seed wheel, and the size of the limit hole and the diameter of push rod are identical and carry out gap with push rod
Cooperation, the size for depositing kind of mouth allow a seed to enter just, and it is with certain inclination angle and total with seed-taking device shell to lead kind of plate
Isomorphism fills kind of a chamber at the utility model.
The seed wheel mainly includes feed shaft, goes out kind of mouth and be distributed in the threaded hole of circumferential surface, the feed shaft
Section is integrated in regular hexagon and with seed wheel design, and the seed-taking device is bolted on the circumferential surface of seed wheel
On.
The end of the push rod is equipped with installation pin hole, is limited by the limit hole on seed-taking device to it, and by push rod
Head be designed as taper, to reduce push rod and interseminal contact area, effectively avoid a wound kind phenomenon.
The cam disc is mounted on by fixing bolt to be fixedly mounted on bottom shell seat, and there are certain with the inner wall that is fixedly mounted with bottom shell seat
Gap to store seed, the lower end of the cam disc is equipped with scalloped recess, so that seed is entered feed mechanism for seed with liquid form and fills
Kind region.
The usefulness of the utility model is, by design cam follower and with the seed-taking device at inclination angle, actively to destroy kind
Son carries out actively clear kind in the arching phenomenon for filling kind of region, using cam follower structure, makes seed ordered queue and Quantitative Separation,
Raising feed mechanism for seed fills, the reliability of clear kind of process improves seeding precision to realize feed mechanism for seed simple grain precision drilling.
Detailed description of the invention
Fig. 1 is a kind of whole installation diagram of cam follower formula precise seeder of the utility model；
Fig. 2 is a kind of three-dimensional explosive view of cam follower formula precise seeder；
Fig. 3 is the structural schematic diagram of seed wheel；
Fig. 4 is the structural schematic diagram of seed-taking device；
Fig. 5 is the structural schematic diagram of cam disc；
Fig. 6 is the structural schematic diagram of push rod assembly；
Fig. 7 is the structural schematic diagram of push rod；
Fig. 8 is working principle diagram.
Specific embodiment
The technical solution of the utility model is described in detail with reference to the accompanying drawing, further appreciates that the utility model
Purpose, working principle and function.
As shown in Figure of description, a kind of cam follower formula precise seeder, it is characterised in that: including be fixedly mounted with bottom case lid 1,
Feed shaft 2, seed wheel 3, sowing port 4, seed-taking device 5, push rod assembly 6, cam 7, cam disc 8, be fixedly mounted with bottom shell seat 9, fixed frame 10,
Enter kind of pipe 11.Wherein, it is fixedly mounted with bottom case lid 1, be fixedly mounted with bottom shell seat 9, fixed frame 10 and enters kind of pipe 11 and collectively forms the utility model
It is fixedly mounted with bottom case and is mounted on bench test platform by fixed frame 10, enter kind of pipe 11 and be arranged in be fixedly mounted with the side of bottom shell seat 9 simultaneously
Penetrate through therewith, be fixedly mounted with bottom shell seat inner wall center be equipped with certain length bolt and 8 center of cam disc threaded hole 19 cooperate with
Ixing cam disc 8, and being equipped with scalloped recess 17 in its lower end makes seed enter the area Chong Zhong, the center of cam disc 8 with flow regime
Equipped with the cam path 18 that profile is cam curve to be limited to push rod assembly 6.Push rod assembly 6 is mainly by idler wheel 20, push rod
Fixed frame 21, push rod mounting pin 22 and push rod 23 are constituted, and idler wheel 20 and cam path 18 are with capable limit is merged into, and push rod 23 is by pushing away
Bar mounting pin 22 is fixed.Push rod 23 is mainly made of push rod mounting hole 24 and flechette-type push rod cup 25, and seed wheel 3 is mainly by arranging
Kind axis 2, sowing port 4, seed-taking device 5 and seed-taking device fixed plate 12 are constituted, and feed shaft 2 and the design of seed wheel 3 are structure as a whole to pass
Seed-taking device 5 is fixed on the circular inner wall of seed wheel 3 by graduating power by seed-taking device fixed plate 12, and seed-taking device 5 is mainly by taking kind
Device fixed plate 12, fixing screwed hole 13, push rod limit hole 14, fill kind of chamber 15 lead kind of plate 16 composition, lead kind of plate 16 and be designed as having
The inclined plate at certain inclination angle changes interseminal contact point to guide seed in order to which push rod completes clear kind of process.
What fixed kind of system was made of roller and push rod.
It is described enter kind of pipe 11 the outer side for being fixedly mounted with bottom case shell block 9 is set, it is described enter kind of a Guan Bingyu be fixedly mounted with 9 shell phase of pedestal
It connects perforation and is fixedly mounted with the inner wall of bottom case shell block 9 when the threaded hole 19 at 8 center of cam disc cooperates with the bolt for being fixedly mounted with 9 center of bottom shell seat
There are certain gaps to deposit kind of a room to be formed for the outside wall surface of face and cam disc 8, and seed fills kind by enter that kind of pipe 11 enters feed mechanism for seed
Room.
The feed shaft 2 rotates under the drive of the power sources such as motor imparts power to seed wheel 3, make seed wheel 3 around
The rotation of its axle center, seed-taking device 5 do relative motion with by entering the seed that kind of pipe 11 is added, and actively dip seed entrance and fill kind of a chamber.
The seed wheel 3 drives push rod assembly 6 in the position-limiting action lower edge of cam path 18 while rotating around its axle center
Cam profile moves in a circle and opposite seed-taking device 5 does radial expansion movement under the guiding role of push rod limit hole 14, clearly
It except the extra seed that seed-taking device 5 is taken, only stays a seed to stay in and fills in kind of chamber 15, and form kind of the chamber 15 that fills of seed-taking device 5
One closed space steadily migrates seed to area of charging seed while improving clear kind of effect, to realize the utility model
Clear kind and shield kind of a process.
Lead kind of plate 16 and seed-taking device horizontal plane on the seed-taking device 5 have certain angle, make taken seed to flow
State, which enters, fills kind of chamber 15 and changes interseminal contact point, so that taken seed realizes ordered queue in seed-taking device 5, improves
Interaction force between seed and flechette-type push rod 25, in order to going on smoothly for subsequent clear kind of process.
As shown in figure 8, the course of work of the utility model is divided into the area I, Qing Zhong, the area the Chong Zhong area II, Hu Zhong III and area of charging seed
Tetra- regions IV, its working principle is that: when work, feed shaft drives seed wheel to move in a circle under power drive, plants when taking
When device moves to the area Chong Zhong, cam is in the backhaul stage and carries out limit guiding to push rod, will fill kind of chamber and opens, seed its from
Between body gravity, population under the guiding of frictional force, the holding power of seed-taking device and directing plate, seed, which orderly enters, fills kind of a chamber, completes
Seed-filling process；With the rotation of seed wheel, when seed-taking device moves to the area Qing Zhong, cam is in the rise stage, engaged therewith to push away
Bar will slowly fill kind of a chamber closing, and will fill on kind of intracavitary a seed and seed-taking device and extra seed is taken to be isolated, from
And guarantee simple grain essence seed-fetching, complete clear kind of process；When seed-taking device moves to the area Hu Zhong, cam is in rest stage, push rod
Seed-taking device is closed always under the guiding of cam, makes to fill the space that kind of chamber forms a relative closure, prevents feed mechanism for seed in reality
During the high-speed job of border due to caused by the vibration of equipment broadcast leakage phenomenon complete to improve the shield kind ability of feed mechanism for seed
Shield kind process；As when seed-taking device, which moves to, charges seed area, cam is in backhaul stage and guiding push rod slowly by seed-taking device
It fills kind of chamber to open, seed is launched under the action of centrifugal force and self gravity by sowing port, and process of charging seed is completed.It is gone here and there by four
The collective effect of connection process improve fill kind, the reliability of clear kind and shield kind, realize the amount seeding of simple grain essence.
Above-mentioned specific embodiment is only described the basic principles and main features of the utility model, is not to this
The range of utility model is defined, under the premise of all technical spirits without departing from the utility model, ordinary skill people
Member to the technical solution of the utility model make it is same variation or retrofit, should all fall into the scope of patent protection of the utility model
It is interior.
Claims (4)
1. a kind of cam follower formula precise seeder is by entering kind of a pipe, being fixedly mounted with bottom case, cam disc, push rod assembly, seed-taking device, row
Kind wheel, sowing port and feed shaft etc. are constituted, it is characterised in that: cam disc by being fixedly mounted with, fix and there are one by the bolt at bottom case center
Fixed gap forms the area Cun Zhong, and the center of cam disc, which is equipped with, determine cam path and carries out limiting guiding to push rod assembly and set in its lower end
There is scalloped recess, push rod assembly is mainly made of idler wheel, push rod fixed frame, mounting pin and push rod, the inner wall surface of seed wheel
Be fixed with multiple equidistant seed-taking devices, seed-taking device mainly by fixed plate, limit hole, fill kind of chamber and lead kind of plate etc. and constitute, in cam
Under the mating reaction of push rod, raising fill, clear kind of reliability, realize the amount seeding of simple grain essence.
2. a kind of cam follower formula precise seeder according to claim 1, it is characterised in that: the cam disc passes through solid
Bolt at dress bottom case center, which is fixed, and there are certain gaps passes through cam disk center to store seed, the push rod assembly
The limit hole on cam groove and seed-taking device at position carries out guiding limit, so that push rod assembly does circumference fortune along cam contour
It moves and does radial expansion movement relative to seed-taking device, to improve the reliability of clear kind and shield kind.
3. a kind of cam follower formula precise seeder according to claim 1, it is characterised in that: the seed-taking device mainly by
Fixed plate installs threaded hole, limit hole and leads kind of a plate composition, and seed-taking device is fixed on the interior sidewall surface of seed wheel by fixed plate
On, the size of limit hole and the diameter of push rod are identical and carry out clearance fit, so that push rod does radial expansion fortune with respect to seed-taking device
Dynamic, the horizontal plane for leading kind of plate relative to seed-taking device has certain inclination angle, and seed is made to realize have in seed-taking device with flow regime
Convenient for the progress of clear kind of operation process while sequence is lined up.
4. a kind of cam follower formula precise seeder according to claim 1, it is characterised in that: the push rod assembly is main
Be made of idler wheel, push rod fixed frame, push rod mounting pin and push rod, idler wheel and cam path with merge under the action of cam groove into
Row limit, push rod is fixed by push rod mounting pin and is limited under the action of seed-taking device limit hole, and is done along cam
The radial expansion of the circular motion of contour motion and opposite seed-taking device moves, and limits so that kind of intracavitary a taken seed will be filled
And extra seed is removed, improve seeding precision.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920238447.0U CN209643331U (en) | 2019-02-26 | 2019-02-26 | A kind of cam follower formula precise seeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920238447.0U CN209643331U (en) | 2019-02-26 | 2019-02-26 | A kind of cam follower formula precise seeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209643331U true CN209643331U (en) | 2019-11-19 |
Family
ID=68525171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201920238447.0U Active CN209643331U (en) | 2019-02-26 | 2019-02-26 | A kind of cam follower formula precise seeder |
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| CN (1) | CN209643331U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111602491A (en) * | 2019-02-26 | 2020-09-01 | 西北农林科技大学 | Cam push rod type precision seed sowing device |
| CN111869377A (en) * | 2020-07-15 | 2020-11-03 | 石河子大学 | Compound side-charging precision seed sowing device |
| WO2021203506A1 (en) * | 2020-04-09 | 2021-10-14 | 丰疆智能软件科技(南京)有限公司 | Seeder and seeding method therefor, and agricultural machine with seeder |
| CN114223352A (en) * | 2021-12-22 | 2022-03-25 | 哈尔滨市农业科学院 | Round roller type hill-drop planter |
-
2019
- 2019-02-26 CN CN201920238447.0U patent/CN209643331U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111602491A (en) * | 2019-02-26 | 2020-09-01 | 西北农林科技大学 | Cam push rod type precision seed sowing device |
| WO2021203506A1 (en) * | 2020-04-09 | 2021-10-14 | 丰疆智能软件科技(南京)有限公司 | Seeder and seeding method therefor, and agricultural machine with seeder |
| CN111869377A (en) * | 2020-07-15 | 2020-11-03 | 石河子大学 | Compound side-charging precision seed sowing device |
| CN111869377B (en) * | 2020-07-15 | 2024-04-26 | 石河子大学 | Duplex side-charging precision seed metering device |
| CN114223352A (en) * | 2021-12-22 | 2022-03-25 | 哈尔滨市农业科学院 | Round roller type hill-drop planter |
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