JPH0444006Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to an agricultural feeding device for feeding out seeds and the like.

(Prior art) As a seeding device that feeds out seeds, a feeding section containing a feeding roll is disposed below a seed tank, and a storage section in which the feeding section is stored is formed above the feeding roll of the feeding section. However, there is a type in which feeding recesses for storing seeds are arranged on the outer peripheral surface of the feeding roll at equal intervals in the circumferential direction.

As the above-mentioned seeding devices, there are two types, a so-called brush type and a pumping type.

The brush-type seeding device mentioned above is
As shown in Publication No. 115820, the feed roll is located directly below the lower end opening of the seed tank, and when the feed roll feeds out the seeds, the brush is in sliding contact with the outer peripheral surface of the feed roll, and the feed roll is fed out. A predetermined amount of seeds is present in the recess.

In addition, with the above-mentioned pumping type seeding device,
As shown in No. 59-190104, the rear side wall in the rotating direction of the feed roll in the storage section is located directly below the lower end opening of the seed tank, and the feed recess of the feed roll draws up the seeds on the rear side wall. And let it roll out. That is, in the brush type, the dispensed material is stored above the dispensing roll, so the dispensing material is reliably stored in the dispensing recess, and the amount dispensed by the dispensing roll is accurately constant.

Therefore, this brush method is adopted in the case of dispensing fertilizer, etc., in which the dispensing amount is increased and the amount is constant.

On the other hand, in the pumping method, the material is stored on the wall, so contact between the material and the delivery roll is reduced, and agitation of seeds is prevented.

Therefore, in coated seeds, etc.,
This pumping method is used when it is desired to prevent damage to the coating.

(Problems to be solved by the invention) Each of the above-mentioned seeding devices is selected and used depending on the type of seed, but conventionally,
It is desired to be able to selectively perform the above two types of sowing using a single seeding device.

An object of the present invention is to provide an agricultural feeding device that can solve the above problems.

(Means for Solving the Problems) In order to achieve the above object, the present invention is characterized by a dispensed material tank that stores dispensed materials such as seeds and discharges the dispensed materials from an opening at the bottom. A feeding section having a feeding roll therein is disposed below the drawing material tank, and a storage section is formed above the feeding roll in the feeding section, in which the material discharged from the opening is stored. The storage section includes a brush disposed on the front side in the rotation direction of the feed roll so as to be in sliding contact with the outer circumferential surface of the feed roll, and a brush disposed on the rear side in the same rotation direction so as to be in sliding contact with the outer circumferential surface of the feed roll. The front and back are partitioned by a wall portion disposed so as to be in contact with each other, and a feeding recess is formed on the outer circumferential surface of the feeding roll in which the feeding material is stored, wherein the feeding portion is connected to the feeding material. The feeding portion is configured to be rotatably fixed to the tank around a horizontal axis, and the feeding portion is placed in a first posture in which the feeding roll is located substantially directly below the opening, and in a first posture in which the wall portion is located substantially directly below the opening. The main feature is that the posture can be changed freely between the second posture and the second posture.

(Function) According to the present invention, when dispensing materials such as seeds in a so-called brush method, the dispensing section is in the first position, and when dispensing dispensing materials in a so-called pumping method, the dispensing section is in the first position. 2 postures.

(Example) Hereinafter, an example in which the present invention is applied to a seeding device will be described based on the drawings. Figure 2 shows a fertilizing seeding device 1, which is attached to the rear of a tractor via a three-point link etc. so that it can be raised and lowered. has been done.

The fertilizing seeding machine 1 includes a machine frame 2, a fertilizing device 3, a seeding device 4, a soil covering member 5, a pressure wheel 6, and the like. The machine frame 2 has a pair of left and right side plates 7.

The fertilizer application device 3 includes a pair of left and right groove cutting disks 9 having stays 8, a fertilizer tank 10, and a feeding section 11, a feeding chute 12, etc., which are connected below the fertilizer tank 10. The feeding portion 11 includes a feeding roll 13.

The seeding device 4 includes a pair of left and right groove cutting discs 15 having stays 14, a seed tank 16, a feeding section 17 disposed below the seed tank 16, and a feeding chute disposed below the feeding section 17. It is composed of 18 mag.

The feeding portion 17 has the feeding roll 19 as an internal member,
A portion above the feed roll 19 is a storage section 21 that stores seeds 20. The left and right sides of the feeding section 17 are rotatably fixed to the left and right side walls of the lower end of the seed tank 16 by a pair of left and right butterfly bolts 22, and the feeding section 17 is fixed as shown in FIG. , a first posture in which the dispensing roll 19 is vertically installed and located directly below the lower end opening 23 of the seed tank 16, and a first posture in which the dispensing roll 19 is in a forward-inclined state and located in the storage section 21, as shown in FIG. The rear side wall 24 in the rotational direction is the lower end opening 2 of the seed tank 16.
The posture can be freely changed to a second posture located directly below No. 3.

A brush 25 is detachably attached to the lower end of the front side wall 26 in the rotating direction of the feed roll 19 in the storage section 21 and comes into sliding contact with the outer peripheral surface of the feed roll 19 .

Several feeding recesses 27 are arranged on the outer peripheral surface of the feeding roll 19 at equal intervals in the circumferential direction. A drive shaft 28 in the left and right direction is inserted and fixed in the axial center of the feed roll 19, and a pair of left and right support cylinders 29 that rotatably support the drive shaft 28 are inserted into the support holes 30 of the left and right side plates 7 of the machine frame 2. , and is releasably fixed to the left and right side plates 7 by a pair of nuts 31. The support hole 30 is formed in an arc shape centered on the horizontal axis 22, and the support cylinder 29 is movable within the support hole 30, so that it can respond to changes in the attitude of the feeding section 17. A sprocket 32 is fixed to one end of the drive shaft 28, and is operatively connected to a power source via a chain or the like.

The feeding chute 18 is rotatably fixed to the left and right side walls of the lower end of the feeding section 17 by a pair of right and left butterfly bolts 33, and even if the posture of the feeding section 17 is changed, the feeding chute 18 always remains in the vertical position. It is possible to do this.

Reference numerals 38 and 39 are flexible covers made of rubber, which are interposed between the seed tank 16 and the feeding section 17 and between the feeding section 17 and the feeding chute 18, respectively, so that the covers are provided between the feeding section 17 and the seed tank 16 or the feeding chute 18. Seeds 20 are prevented from coming out. Note that the covers 38 and 39 are omitted in FIG.

In addition, the soil covering member 5 and the stay 14 of the groove cutting disk 15 are connected to the long holes 34 in the longitudinal direction of the side plate 7 of the machine frame 2,
35 via butterfly bolts 36 and 37, and can be moved and adjusted in the front and back direction and can be rotated, so that it can respond to changes in the attitude of the feeding section 17.

According to the embodiment configured as described above, at the time of fertilization and sowing, the fertilization and seeding machine 1 is towed by a tractor, and the respective delivery rolls 13 and 19 are rotationally driven.

Then, the groove 4 is cut by the groove cutting discs 9 and 15.
0,41 is cut off.

Further, fertilizer is delivered from the fertilizer tank 10 into the groove 40 by a delivery roll 13 via a delivery chute 12.

Further, the seeds 20 are fed out from the seed tank 16 by the feeding recess 27 of the feeding roll 19 into the chute 18.
It is fed out into the groove 41 through.

Then, the fed fertilizer and seeds 20 are covered with soil by the soil covering member 5, and this covering soil is compressed by the compression wheel 6.

During the above operation, when feeding out the seeds 20 using a so-called brush method, as shown in FIG. The first one located directly below
Keep it as a posture.

As a result, the seeds 20 that have entered the feeding section 17 from the seed tank 16 are transferred to the feeding recess 2 of the feeding roll 19.
7 and is fed out, but at this time, due to the sliding action of the brush 25, the feeding recess 27
The number of seeds 20 inside is a predetermined amount.

Further, when feeding out the seeds 20 by a so-called pumping method, the feeding section 17 is tilted forward so that the rear side wall section 24 in the rotational direction of the feeding roll 19 in the storage section 21 is tilted forward, as shown in FIG. The second posture is located directly below the lower end opening 23 of the seed tank 16.

As a result, seeds are removed from the seed tank 16 and stored in the storage section 2.
Seeds 20 stored on the rear side wall portion 24 of No. 1
is drawn up by the feeding recess 27 of the feeding roll 19 and fed out.

In addition, although the present invention is applied to a seeding device in the embodiment, the present invention can also be applied to a fertilization device.

(Effects of the Invention) As described in detail above, according to the present invention, it is possible to selectively perform two types of feeding, the so-called brush method and the so-called pumping method, using a single feeding device. The present invention not only has the above-mentioned advantages, but also has a simple structure and is very useful.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, in which Fig. 1 is a longitudinal cross-sectional view of the main part, Fig. 2 is an overall side view, Fig. 3 is a front view of the main part, and Fig. 4 is different from Fig. 3. FIG. 6 is a longitudinal cross-sectional view of main parts showing different operating states. 3... Fertilizer application device, 4... Seeding device, 10, 16
...Fertilizer/seed tank (removal material tank), 11,
17... Feeding part, 13, 19... Feeding roll, 2
0... Seed (extracted material), 21... Storage part, 22...
...horizontal axis, 24, 26...wall, 25...brush,
27... Feeding recess.

Claims (1)

[Claims for Utility Model Registration] A dispensed material tank 16 is provided which stores dispensed material 20 such as seeds and discharges the dispensed material 20 from an opening 23 at the bottom, and a delivery roll 19 is provided below the dispensed material tank 16. A storage section 21 is formed above the feeding roll 19 of the feeding section 17 in which the material 20 discharged from the opening 23 is stored. , a brush 25 disposed on the front side in the rotation direction of the feed roll 19 so as to be in sliding contact with the outer circumferential surface of the feed roll 19; and a brush 25 disposed on the rear side in the rotation direction of the feed roll 1
The front and rear parts are partitioned by a wall part 24 disposed so as to be in sliding contact with the outer circumferential surface of the feed roll 19, and a feeding recess 27 is formed in the outer circumferential surface of the feeding roll 19, in which the fed material 20 is stored. In the product, the feeding portion 17 is rotatably fixed to the feed material tank 16 around a horizontal axis 22, and the feeding portion 17 and the feeding roll 19 are connected to the opening 23.
An agricultural feeding device characterized in that its posture can be changed freely between a first posture in which the wall portion 24 is located substantially directly below the opening 23 and a second posture in which the wall portion 24 is located substantially directly below the opening portion 23.