CN85108875A

CN85108875A - Seed sowing machine

Info

Publication number: CN85108875A
Application number: CN198585108875A
Authority: CN
Inventors: 杰曼·享里奥
Original assignee: Individual
Current assignee: Individual
Priority date: 1984-12-14
Filing date: 1985-12-14
Publication date: 1986-06-10
Also published as: FR2574618B1; ES8701459A1; ES549940A0; FR2574618A1

Abstract

In seed sowing machine, seed is admitted to the depression (2a) of wallboard (2), the disk (1) that some holes (5) are circumferentially arranged nestles up depression and rotates, and makes suction by being positioned at the half-arc groove (30) behind these holes, keeps a seed in each hole so that make by means of suction.Be connected to nozzle (2b) on the wallboard (2) and be positioned at the do not have groove position of close wallboard (3) of (30), this nozzle is blown into sowing outlet mouth (8-10) to the seed that remains in the hole (5).

Description

Seed sowing machine

The present invention is relevant seed sowing machine aspect, and this sower comprises the seeding wheel of many seed export mouths that distributed at least around it, thereby enables by covering the seed of plastic foil sowing different size on the ground.Such machine is known as " plastics sower " (plastisower).

The utilization of well-known pneumatic type precision planter comprises a vertically distributor of rotating circular disk, and an annulus with holes is housed on the disk, and nestles up the wheel rotation of seed box, and the suction of disk is produced by the fan of motor driven.Along with the rotation of disk, the suction by the hole makes each hole all keep a kind machine, and this disk takes seed to point that suction stops, and at this moment seed is decontroled.Such structure is normally gratifying.But it can not all sow a seed in the place that each piece need be sowed fully reliably.

Comprise a framework according to a seed sowing machine provided by the invention; One can be around the wheel of the axle rotation of relative fixed on said frame; First wallboard that is positioned on the said frame; The disk that the wheel that can rotate around the axle near above-mentioned first wallboard rotates together; One on first wallboard and the half-arc groove of center on above-mentioned axis; Many sizes through overcorrect are less than the through hole of desire sowing seed minimum diameter on the disk, along circumferentially-spaced on groove with the disk rotation; Second wallboard is positioned near on the said frame of disk, this disk is positioned on first wallboard of distance face far away, one be positioned at second depression on the wallboard, with the rotation of disk, those above-mentioned holes are positioned on the depression; With seed

Go into the device of depression; Make above-mentioned half-arc groove produce the device of suction; With disk rotation utilize they with the seed in the above-mentioned depression suck in the corresponding hole, the wheel circumferentially-spaced is distributing many sowing outlet mouths, with be distributed in each locational above-mentioned hole of circumference corresponding one by one, one with above-mentioned second nozzle that wallboard is connected that is positioned at the half-arc groove outer end, by this nozzle, blowing device will be blown in the contiguous sowing outlet by the seed that the suction in the above-mentioned half-arc groove remains in the above-mentioned hole in advance.

This air nozzle device provides a kind of very reliable structure that seed is blown into the sowing outlet mouth.

In order to understand the present invention better, only with method for example, be illustrated with reference to the accompanying drawings simultaneously below, wherein:

Fig. 1 is the end view that accords with a concrete device of seed sowing machine of the present invention.

Fig. 2 is the view of the amplification of the seeding wheel of this sower among Fig. 1, and the seeding wheel of this sower has broken away from its framework.

Fig. 3 is the axial section that III-the III line is got along Fig. 2.

Fig. 4 is the axial section that IV-the IV line is got along Fig. 2.

Fig. 1 shows that is included in " the plastics sower " that the top is equipped with the framework 20 of a bank 22.

Be placed with seed in the bank, seed has first and second fixedly magazine import department of wallboard 32 by pipeline 23 flow directions under action of gravity.Fixedly wallboard 3 is equipped with the bearing of the axle 17 of seeding wheel 6, and bearing has an interior ring 6a who is connected with wheel by annulus 6b.Many sowing outlet mouths are housed on interior ring, and the number of outlet mouth is along with the kind of the seed of sowing is changed.These sowing outlet mouths design as individual part, as the spoke on the wheel, are mounted on two

free ring

6a and 7." plastics sower " is by the direction traction of tractor according to arrow 18.

At the rear portion of framework 20, one or more bearing wheels 21,21a are arranged, to support " plastics sower " and the weight of himself.Can be controlled by the degree of depth that an arrangement for adjusting height (not expressing) inserts in the soil seeding wheel.If two bearing wheels 21,21a are installed, so, they can be compensated at the variable spacing distance that vertical and horizontal distribute.According to character, condition and the convex-concave degree of soil, this that rotates with seeding wheel 6 taken turns or train 21,21a can couple together.This connection can realize by chain and the sprocket wheel on the axle of the axle 17 of seeding wheel and bearing wheels 21,21a.

Can see among Fig. 2 that these sowing outlet mouths have a flat fixing substrate 8, be processed into its outer end can be in the shape that covers plastic foil punching on the ground.Outlet mouth 8 has a seed receptacle, and seed receptacle is by a fixing cup 9 and shake outlet mouth 10 and form.The tip of seed export mouth links to each other with the end of pedestal 8, outwardly so that punch on plastic foil.When the

part

8 and 10 of this device of group when being close together, strengthen the tip of outlet mouth by being welded in muscle 10a on the outlet mouth 10, with such structure and substrate 8 formation T shapes.

This shows that when covering on the ground plastic film and being stamped the hole everywhere, the shape in these holes will no longer be sealed by the seed of sowing above with this method that forms T shape sowing opening T-shaped.

As can see from Figure 2, the installation of sowing

outlet mouth

8,10 is to be fixed on the outer shroud with the screw that passes hole 29, encircles on the 6a in being fixed to the screw that passes hole 28.Enough holes that different number seed export mouths can be installed 28,29 are arranged, and therefore, they can be distributed on ring 7 and the 6a regularly.Reach the desired thickness of sowing of this seed of sowing with such method.

It can also be seen that tip part 10 is installed on the pin 12, pin 12 is the critical support parts between a secondary flange 8a, and this flange is welded on the fixed pedestal 8 of sowing outlet mouth.Pin 12 is fastened on the arm 11 that has a cam driven voller 13, rolls by the waveform that is fixed on ring-type cam 14 on the framework 20 along and controls the open and close of sowing outlet mouth.Utilize the peak of this cam that outlet mouth is opened, and the effect of spring 27 make the outlet mouth closure.

Seeding wheel for minor diameter (for example less than 700 millimeters), the longitudinal axis of sowing outlet mouth is very favourable with respect to the displacement of axis 17 for the 30-60 millimeter, and the summit that makes this outlet mouth has asymmetric shape, so that the tangential parts of mouthful mobile earth movable agency are broadcasted in restriction, avoid taking away the seed of sowing or drag plastic film away.

Also can see a rectangular aperture 23a in Fig. 2 and Fig. 3, it is connected on the conduit 23, supplies with the seed that is fallen by material logical sequence 22 by conduit under action of gravity, and makes these seeds enter hopper.

This hopper is made up of first and

second wallboards

3,2 that link together by the screw (not shown), and is connected on the framework 20, and it also has a disk with holes 1 that rotates along with sowing wheel shaft 17.The rotation of disk 1 can be connected it on the axle 17 by means of pin key 15, perhaps reaches by any other known devices.

Wallboard 3 comprises a half slot 30, and its center is on axis 17, and groove 30 is placed in the appropriate location, so that make 5 pairs in these holes on the plate 1 on groove 30, this groove clockwise direction extends to the B point from the A point, from the B point to A point slotless.

Second wallboard 2 abuts against the opposite of disk 1, and wallboard 2 has a depression 2a, along with the rotation of plate 1, depression at least with hole 5 in a hole coincide.Depression 2a is connected on the conduit 23 by the rectangular aperture on the wallboard 2, so that fill seed in the bottom of depression 2a.Utilize the suction to groove 30 by the conduit 3a on first wallboard 3, making in each hole that forms on the disk 1 all has a seed, and the size in hole 5 is less than seed

Seed just can not missed from the hole.

As mentioned above, can provide the disk of different apertures and hole count, adapt to the needs of sowing special seed with different apertures; The disk of different hole counts, 8-16 hole for example, just in time be contained in

ring

6a and 7 on sowing outlet mouth 8-10 corresponding.

Particularly at Fig. 4 as can be seen, wallboard 2 is connected with nozzle 25, and as shown in Figure 2, this nozzle is on the wheel between B point and the A point.What install against nozzle 25 is a deflector 26, for example uses the form of angle section.The arm of angle section and the plane of plate 1 and other arm meet at right angles, and scrape plate 1, seed are directed to the import (see figure 4) of sowing outlet mouth.

The suction that is used for conduit 3a can utilize motor-fan assembly to produce, this device is that 8000 rev/mins wind turbine is formed by a rotating speed mainly, this wind turbine is to be driven by battery-powered d.c. motor or internal combustion engine, the opposite side of hair-dryer is received on the nozzle 25, compressed air stream is blown over the left side (seeing Fig. 3 and Fig. 4) of plate 1.Can control the intensity of suction and air-flow by two choke valves (not showing among the figure).

Along with sower moves on soil, wheel 6 rotates, and seed is under the effect of gravity, by material logical sequence 22, by conduit 23, pass opening 23a and enter depression 2a.Because the rotation of plate is sent into seed in the hole 5 by the suction that pipe 3a produces.When these holes arrived the B point, the seed that is arranged in hole 5 no longer was subjected to the control of suction, therefore, under action of gravity, these seeds will trend towards freely falling, according to the present invention, by blowing air, all project among the close sowing outlet mouth 8-10 so that guarantee each seed by nozzle 25.When this point of the traverse of this wheel, slave unit 13 will be in a certain recess of oscillating cam 14, thereby plate 10 is with in the closed position.When further turning near separately foot of outlet mouth 8-10 with wheel, slave unit roller 13 will rise to peak dot 14, thereby open bottom parts 10.This will produce a T shape hole on plastic material, and the seed that is stored in the bottom is fallen by the perforation on the plastics, on planting seed.

Can adorn the micro metal selector (not showing among the figure) of a spatulate in screwed hole 24 place's (see figure 2)s, by turning the screw in the screwed hole 24, can change the position of selector, its regulated quantity is changeable.This metal selector is used for mobile seed or makes seed enter hole 5 or unnecessary seed is fallen, and like this, makes only to keep a seed in each hole, and thereafter, each sowing outlet mouth also is seed of sowing.

The quick down current of metal selector 24 has one to check window 31, makes it to check whether have only a seed in each hole really by window.

Several size in different holes and plates of number of having are provided, make and to sow the big or small seed very different that its scope comprises seed for example vegetables, trumpet flower, tobacco, muskmelon, sunflower and the corn seed from very little to maximum with weight with uniform machinery.And the choke valve that provides (not showing among the figure) can make suction be adjusted to the seed that is suitable for sowing special size.

The suction power that produces can be sent to framework 20 by blower fan, and this framework can be used the welded tube structure, and for a fluid-tight system is provided, the welded tube cross section is the most handy square.

As mentioned above, many different holes can be arranged on each selective pan, and adapting to the needs of special seed, and the hole count of selecting will be suitable for sower outlet mouth 8-10, these outlet mouths all have been contained on

ring

6a and 7, thereby these outlet mouths and hole 5 are positioned on the same circumferential position.For guaranteeing action synchronously, seeding wheel 6 is contained on the axle 17 by key 16, and plate 1 is to locate with key pin 15 as mentioned above.

For example

External diameter is that 700 millimeters seeding wheel can be with 16 sowing outlet mouths, and this spacing that is equivalent to seed in soil is 12 centimetres.So that per hour the linear velocity about 6 kilometers is mobile on the ground, be equivalent to 12 seeds of plate distributor per second output, this condition is suitable for sowing corn.

For the plant of soybean and so on, allow bigger seed density in the ranks, according to the present invention, the design of this seeding wheel is very compact, because the plate of its coaxial installation near the sower outlet mouth, makes it that nearly 5 seeding wheels can be installed side by side, the maximum spacing of each seeding wheel is 20 centimetres.

Claims

1, a seed sowing machine comprises: a framework (20); A wheel (6), it can rotate around an axle relevant with said frame; First wallboard (3) on said frame; A plate (1), it can be along with above-mentioned wheel the (6), around the above-mentioned axle rotation near above-mentioned first wallboard (3); One is positioned on first wallboard and the half-arc groove (30) on the axis of above-mentioned axle; Have on the dish many diameters less than the minimum diameter of the seed that will sow, pass the index hole of above-mentioned plate because above-mentioned plate (1) rotates with respect to them, circumferential position, these holes is on above-mentioned groove (30); One on said frame, approach at this plate on its opposite and apart from first wallboard second wallboard (2) far away; Depression (2a) on second wallboard, because this plate rotates, above-mentioned hole (5) are on above-mentioned depression (2a); Seed is sent into the device (22,23) of above-mentioned depression; For above-mentioned half-arc groove provides the device (3a) of suction, along with this plate rotates, the seed in above-mentioned depression (2a) is drawn onto in the corresponding above-mentioned hole; Some are by the circumferential planting seed outlet mouth (8-10) that above-mentioned wheel drives, and each outlet mouth corresponds respectively to a hole in the hole (5) on circumference; That be connected with above-mentioned second wallboard (2), as to be positioned at above-mentioned half-arc groove (a 30) rear end nozzle (25), by said nozzle, blowing device is blown into close outlet mouth to the seed that remains in advance in the above-mentioned hole by means of the suction from half-arc groove.

2, in the machine according to claim 1, wheel (6) comprises an inside and a concentric ring outside (6a, 7), on ring, enough circumferential screwed holes (28,29) are arranged, the screw that above-mentioned hole is passed in utilization is installed in the sowing outlet mouth (8-10) of different numbers on the ring, make the configuration clocklike on the circumference of these two annulus of these outlet mouths, reach outlet mouth in this way and sow the desired spacing of this seed on the ground.

3, according to the machine of claim 2, comprise the selection that plate (1) is provided therein, selected this plate has the hole of different numbers on different circumferential positions, so that make these hole counts equal seed export mouth number.

4, be pursuant to the machine of above any claim, wherein outlet mouth the rotating shaft of distance wheel (6) the most nearby the distance between its longitudinal axis be the 30-60 millimeter.

5, be pursuant to the machine of above-mentioned any claim, provide one or more bearing wheels (21,21a) for framework therein, these wheels move on the soil of sowing, and seeding wheel in the machine (6) is to drive by being positioned at bearing wheels or wheel (21,21a) and the chain and the sprocket wheel that are positioned on the seeding wheel (6).

6, be pursuant to the machine of above-mentioned any claim, sowing outlet mouth wherein comprises a fixed part (8) and movable part (10), utilize parts (11-14) that movable member is moved with respect to fixture, the plastic foil that covers on the soil that will sow is punched effectively, have a wing (10a) on the movable part in the outlet mouth (10), therefore, displaceable member (10) is got a T shape hole on plastic material.